Photovoltaic combiner box for photovoltaic inverter and working method of photovoltaic combiner box
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a photovoltaic combiner box for a photovoltaic inverter and a working method thereof.
Background
The junction box is a wiring device for ensuring orderly connection and junction functions of the photovoltaic modules in the photovoltaic power generation system. The device can ensure that the circuit is easy to cut off when the photovoltaic system is maintained and checked, and the power failure range is reduced when the photovoltaic system breaks down.
The junction box is characterized in that a user can connect a certain number of photovoltaic cells with the same specification in series to form a plurality of photovoltaic strings, then a plurality of photovoltaic strings are connected into the photovoltaic junction box in parallel, after the photovoltaic junction box is connected in a junction mode, the photovoltaic inverter, the alternating current power distribution cabinet and the controller are used in a matched mode, and therefore a complete photovoltaic power generation system is formed, and grid connection with mains supply is achieved.
At present, most photovoltaic combiner boxes are installed at a certain safety distance from the ground, and other auxiliary machinery is required to be matched with each other for installation by manpower during installation, so that the photovoltaic combiner boxes are very inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of realizing automation of a photovoltaic combiner box installation process, and provides a photovoltaic combiner box for a photovoltaic inverter and a working method thereof.
The technical scheme adopted for solving the technical problems is as follows:
A photovoltaic conflux case for photovoltaic inverter, includes photovoltaic conflux case, support, signal receiver, controller, motor, jack, first brake lever, second brake lever, third brake lever, power gear, measurement assembly, spacing subassembly, elevating gear, linkage subassembly. The photovoltaic collection flow box is arranged on the ground. The support is arranged on one side of the photovoltaic combiner box and is fixedly connected with the photovoltaic combiner box. The controller is arranged on one side of the bracket and fixedly connected with the bracket. The signal receiver is arranged on one side of the photovoltaic combiner box, fixedly connected with the photovoltaic combiner box and in signal connection with the controller. The lifting device is arranged on the bracket and fixedly connected with the bracket. The motor is horizontally arranged on one side of the lifting device, fixedly connected with the bracket and electrically connected with the controller. The linkage assembly is arranged between the motor and the lifting device, is in driving connection with the lifting device and is fixedly connected with the bracket. The power gear is coaxially connected to the motor shaft and is in driving connection with the linkage assembly. The jack output end axis is perpendicular with motor shaft axis, and the jack sets up in the motor below to with support fixed connection. One end of the first brake rod is fixedly connected with the input end of the jack. The second brake rod is a hollow tube, one end of the second brake rod is sleeved on one end of the first brake rod, which is far away from the jack, and the second brake rod is connected with the first brake rod in a sliding manner and is in driving connection with the linkage assembly. The axis of the third brake rod is vertical to the axis of the output end of the jack, the third brake rod is obliquely arranged between the jack and the lifting device, the lower end of the third brake rod is fixedly connected with the output end of the jack, and the upper end of the third brake rod is in driving connection with the lifting device. The measuring assembly is arranged on one side, far away from the power gear, of the linkage assembly and is in driving connection with the linkage assembly. The limiting component is positioned on one side of the lifting device, is close to the linkage component, and is in driving connection with the measuring component.
According to the technical scheme, when the photovoltaic combiner box is required to be installed on the high rod, the support is moved first, so that the high rod is located in the lifting device, and then the moving distance threshold of the lifting device is adjusted through the measuring assembly. And the mobile phone terminal is used for sending signals to the signal receiver, the signal receiver transmits the signals to the controller, and the controller controls the motor to start. The motor is provided with a power gear to rotate, the power gear drives the linkage assembly to start, and the linkage assembly drives the second brake rod to circularly move. The second brake rod side and the first brake rod slide in a reciprocating manner, the first brake rod is moved in a reciprocating manner, and the first brake rod circularly compresses the input end of the jack. The output end of the jack stretches out and drives the lifting device to clamp the high rod through the third brake rod. When the lifting device applies certain pressure to the high rod, the linkage assembly does not apply driving force to the second braking rod any more, and the output end of the jack is fixed. Then, the linkage assembly automatically drives the lifting device to drive the photovoltaic combiner box to climb above the high pole through the support, and the photovoltaic combiner box and the high pole are automatically installed. When the ascending distance of the lifting device reaches the set threshold value, the linkage assembly drives the limiting assembly to fix the lifting device, signals are transmitted to the controller at the same time, the controller controls the motor to stop rotating, and the lifting device is fixed at the designated position of the high pole, namely the photovoltaic combiner box is fixed at the designated height of the high pole. When the photovoltaic combiner box needs to be overhauled, a signal is sent to the signal receiver through the mobile phone terminal, the signal receiver transmits the signal to the controller, the controller controls the motor to rotate reversely, the motor drives the power gear to rotate, and the power gear drives the linkage assembly to start. The linkage assembly drives the limiting assembly to be separated from the lifting device, and simultaneously drives the lifting device to start, the lifting device moves downwards along the high rod, and the photovoltaic combiner box is driven to move downwards through the support. Through setting up of support, signal receiver, controller, motor, jack, first brake lever, second brake lever, third brake lever, power gear, measurement component, spacing subassembly, elevating gear, linkage subassembly, realized the automatic fixation and the lift process of photovoltaic conflux case, reduced the use of manpower and materials, fully improved the practicality of photovoltaic conflux case.
Preferably, the linkage assembly comprises a first limiting rod, a second limiting rod, a first limiting groove, a second limiting groove, a first annular gear, a second annular gear, a plurality of first teeth, a plurality of second teeth, a first screw rod, a fourth brake rod and a linkage gear. The axis of the first screw rod is parallel to the axis of the power gear, the first screw rod is positioned between the power gear and the lifting device and above the power gear, and one end of the first screw rod, which is far away from the power gear, is respectively in driving connection with the lifting device and the measuring assembly. The axis of the fourth brake rod is perpendicular to the axis of the output end of the jack and the axis of the first screw rod respectively, one end of the fourth brake rod is rotationally connected with the top end of the third brake rod, the rotation direction of the fourth brake rod is perpendicular to the axis of the third brake rod, and the other end of the fourth brake rod is in sliding connection with the first screw rod. One end of the first limiting rod is a T-shaped head, the axis of the first limiting rod is parallel to the axis of the power gear, the first limiting rod is arranged between the lifting device and the power gear, and one end of the first limiting rod, which is not the T-shaped head, is fixedly connected with the bracket. One end of the second limiting rod is a T-shaped head, the axis of the second limiting rod is parallel to the axis of the first limiting rod, the second limiting rod is positioned above the first limiting rod, and one end of the second limiting rod, which is not the T-shaped head, is fixedly connected with the bracket. The first annular gear is parallel to the axis of the power gear and above the axis of the power gear, the first annular gear surrounds the power gear and the circumference side of the first screw, and the side surface of the first annular gear, which is close to the lifting device, is in sliding connection with the T-shaped head of the first limiting rod. The second annular gear axis is coaxially sleeved in the first annular gear, is in sliding connection with the first annular gear, is meshed with the power gear, and is in sliding connection with the second limiting rod T-shaped head on the side face of the second annular gear. The first teeth are respectively arranged on the outer ring of the second annular gear, are respectively connected with the second annular gear through torsion springs in a rotating way, are respectively meshed with the first annular gear, and are respectively parallel to the axis of the second annular gear in the rotating direction. The first limiting groove is formed in the joint of the T-shaped head of the first limiting rod and the first annular gear. The second limiting groove is arranged at the joint of the T-shaped head of the second limiting rod and the second annular gear. The second teeth are respectively arranged on the outer ring of the first annular gear and are respectively fixedly connected with the first annular gear. The axis of the linkage gear is parallel to the axis of the first annular gear, is rotationally connected with the bracket, is meshed with a plurality of second teeth, and is rotationally connected with one end of the second brake rod, which is far away from the first brake rod, at the edge of the side surface of the motor. The axis of rotation of the linkage gear coincides with the axis thereof.
According to the technical scheme, the rotating power gear drives the second annular gear to rotate, the second annular gear drives the first annular gear to rotate through the plurality of first teeth, the first annular gear drives the linkage gear to rotate through the plurality of second teeth, and the linkage gear drives the second brake rod to circularly move. The second brake rod side and the first brake rod slide reciprocally, and the side belt moves the first brake rod reciprocally. The first brake rod is used for compressing the input end of the jack in a reciprocating mode, the output end of the jack stretches out and drives the lifting device to clamp the high rod through the third brake rod, and the third brake rod drives the first screw rod to move in the second annular gear along with the third brake rod through the fourth brake rod. When elevating gear centre gripping high pole to apply certain pressure to the high pole after, jack input is through first brake lever, the second brake lever, the linkage gear, the reaction force that a plurality of second tooth applys first ring gear grow gradually, a plurality of first tooth torsional springs are compressed, a plurality of first tooth no longer take place the meshing with first ring gear, the second ring gear can't apply the driving force to first ring gear, jack output is motionless, utilize the pressure that the jack output provided, elevating gear can apply sufficient clamping force to the high pole, guarantee the fixed stability of photovoltaic collection flow box and high pole. At this time, the first screw rod is meshed with the second annular gear, the second annular gear drives the first screw rod to rotate, and the first screw rod drives the lifting device to ascend, so that the automatic fixing and automatic climbing processes of the photovoltaic combiner box and the high rod are realized. Through the setting of first gag lever post, second gag lever post, first spacing groove, second spacing groove, first ring gear, second ring gear, a plurality of first tooth, a plurality of second tooth, first screw rod, fourth brake lever, linkage gear, realized the automatic fixation of photovoltaic conflux case and high pole and the automatic switch of automatic climbing process and two processes, further promoted the practicality of photovoltaic conflux case.
Preferably, the lifting device comprises a first roller, a first gear, a second screw, a sleeve, an elastic compression rod, a fixed rod, a first short rod and an auxiliary component. The sleeve axis is perpendicular with first screw axis, and the sleeve transversely sets up in the one side that the linkage subassembly kept away from the motor, with support fixed connection. The second screw rod is arranged in the sleeve, the axis of the second screw rod coincides with the axis of the sleeve, two ends of the second screw rod extend to the outer side of the sleeve respectively, the second screw rod is in sliding connection with the sleeve, and one end of the second screw rod is in threaded connection with the first screw rod and is fixedly connected with the third brake rod. The auxiliary assembly is arranged at one end of the sleeve, which is far away from the first screw, and is in driving connection with the second screw and is fixedly connected with the sleeve. The middle part of the elastic compression rod is contractible, the axis of the elastic compression rod is parallel to the axis of the second screw rod, the elastic compression rod is arranged at one end of the sleeve, which is far away from the first screw rod, and the sleeve is fixedly connected through a bracket and is positioned at the same side of the sleeve as the auxiliary assembly. The axis of the fixed rod is respectively perpendicularly crossed with the axis of the second screw rod and the axis of the elastic compression rod, one end of the fixed rod is fixedly connected with one end of the elastic compression rod, which is far away from the sleeve, and the other end of the fixed rod is rotationally connected with the screw rod through a bearing. The first short rod axis is perpendicular to the second screw axis and the elastic compression rod axis respectively, the first short rod is rotationally connected with one end of the elastic compression rod, which is far away from the sleeve, the rotation axis of the first short rod coincides with the axis of the first short rod, and the first short rod is far away from the auxiliary assembly. The middle of the side surface of the first roller is concavely arranged, and the first roller is coaxially connected with one end of the first short rod far away from the second screw rod. The first gear is coaxially connected to one end of the first short rod, which is close to the second screw rod. The second gear is coaxially connected to one end of the second screw close to the first gear and meshed with the first gear.
According to the technical scheme, the high rod is positioned between the first roller and the auxiliary assembly, the moving third brake rod drives the second screw rod to move, the second screw rod drives the first roller to move towards the auxiliary assembly through the fixed rod, the first gear and the first short rod until the first roller contacts with the high rod, and after certain pressure is applied to the high rod by the auxiliary assembly, the jack output end does not move any more. Then the first screw rod in the rotation drives the second screw rod to rotate, the second screw rod drives the second gear to rotate, the second gear drives the first gear to rotate, and the first gear drives the first roller to rotate through the first short rod. Simultaneously, the second screw rod in the rotation drives auxiliary assembly to start, and first gyro wheel and auxiliary assembly upwards climb along the high pole side together, have realized carrying out effective centre gripping to the high pole and stable the work process who climbs.
Preferably, the auxiliary assembly comprises a second short rod, a third short rod, a second roller, a third gear, a fourth gear and a driving groove. The axis of the second short rod is perpendicularly crossed with the axis of the sleeve and is parallel to the axis of the first short rod, the second short rod and the first short rod are positioned on the same side of the sleeve, one end of the second short rod is rotationally connected with the sleeve, and the rotation axis of the second short rod is coincident with the axis of the second short rod. The second roller and the first roller are the same in shape and size, the geometric point of the center of the second roller and the geometric point of the center of the first roller are in the same straight line, and the second roller is coaxially connected to one end of the second short rod. The third gear is coaxially connected to one end of the second short rod and is arranged close to the sleeve. The third short rod axis is parallel to the sleeve axis, and the third short rod is rotationally connected with the bracket and is positioned between the second screw rod and the third gear. The fourth gear is coaxially connected with one end of the third short rod, penetrates through the side wall of the sleeve and is meshed with the second screw rod and the third gear respectively. The driving groove is arranged at the side wall of the fourth gear penetrating sleeve.
According to the technical scheme, the side surface of the first roller is contacted with the side surface of the high rod, and the first roller is assisted to clamp the high rod. The second screw rod in rotation drives the fourth gear to rotate, and the fourth gear drives the third gear to rotate. The third gear drives the second roller to synchronously rotate with the first roller through the second short rod and drives the photovoltaic combiner box to move upwards along the side face of the high rod together with the first roller.
Preferably, the measuring assembly comprises a limiting block, a first sliding groove, a second sliding groove, a limiting ring, two third limiting grooves, two first springs, a first sliding rod, a third sliding groove and a second sliding rod. The stopper sets up in the one side that the motor was kept away from to the second screw rod, with support sliding connection. The two first springs are vertically arranged at the top ends of the limiting blocks respectively, the lower ends of the two first springs are fixedly connected with the limiting blocks respectively, and the upper ends of the two first springs are fixedly connected with the brackets respectively. The first sliding groove is transversely arranged in the limiting block and penetrates through the limiting block. The first slide bar axis coincides with first screw rod axis, and first slide bar diameter is less than first screw rod diameter, and first slide bar is in first spout, and its both ends extend to first spout outside respectively, first slide bar one end and first screw rod sliding connection, its slip direction coincides with its axis. The limiting ring is coaxially sleeved on the first sliding rod, fixedly connected with the first sliding rod and slidably connected with the limiting block. The second chute is arranged at the joint of the first slide bar and the first screw. The two third limiting grooves are respectively arranged at the joint of the limiting ring and the limiting block and are respectively positioned in the first sliding groove. The second slide bar axis coincides with first slide bar axis, and the second slide bar sets up in first slide bar, and its both ends extend to first slide bar outside respectively, second slide bar and first slide bar sliding connection, second slide bar one end and first screw rod fixed connection, second slide bar side are provided with the measurement standard number. The third chute is arranged at the joint of the second slide bar and the first slide bar.
According to the technical scheme, when the installation height threshold value of the photovoltaic combiner box is adjusted, the limiting block is pushed upwards to drive the first sliding rod to move upwards, the first sliding rod drives the second sliding rod and the first screw rod to move upwards respectively, and the first screw rod is separated from the second screw rod. The second slide bar is drawn, the second slide bar drives the first screw rod to move, the standard number of the intersection of the standard number of the second slide bar and the first slide bar is set according to needs, then the moving block is put down, the first screw rod is reconnected with the second screw rod, the setting of the photovoltaic confluence installation height threshold is completed, the threshold setting is carried out in advance according to the installation height of the photovoltaic confluence box, the photovoltaic confluence box can automatically stop rising after reaching the designated height, the artificial judgment of the distance when the photovoltaic confluence box rises upwards and is estimated to be too high is prevented, and the installation height of the photovoltaic confluence box can be accurately positioned.
Preferably, the limiting component comprises an arc-shaped plate, an L-shaped rod, a second spring, a pressure sensor and a pressure groove. The L-shaped rod is arranged in the first sliding groove, two ends of the L-shaped rod extend to the outer side of the first sliding groove respectively, and one end of the L-shaped rod is rotationally connected with one end of the second sliding rod, which is far away from the first screw rod. The axis of the arc-shaped plate is parallel to the axis of the second screw rod and perpendicular to the axis of the first screw rod, the arc-shaped plate is far away from the L-shaped rod one end of the limiting block is connected with the other end of the limiting block in a sliding way, the concave surface of the arc-shaped plate is arranged close to the second screw rod, the concave surface of the arc-shaped plate is provided with threads. The pressure groove is arranged at the joint of the L-shaped rod and the arc-shaped plate. The axis of the second spring is perpendicularly crossed with the axis of the arc-shaped plate, the second spring is positioned between the L-shaped rod and the arc-shaped plate, one end of the second spring is fixedly connected with the arc-shaped plate, and the other end of the second spring is fixedly connected with the L-shaped rod. The pressure sensor is positioned in the second spring, is fixedly connected with the arc-shaped plate and is electrically connected with the controller.
According to the technical scheme, the rotating first screw rod is meshed with the second screw rod and the second annular gear, so that the first screw rod can move towards the motor, the L-shaped rod is driven to move towards the second screw rod, and the L-shaped rod drives the arc plate to move towards the second screw rod. When the first screw is close to and separated from the second screw, the arc-shaped plate is in threaded connection with the second screw. Along with the continuous removal of L type pole, the second spring is compressed, and when the photovoltaic collection flow box reached and sets for the high threshold value, when first screw rod and second screw rod broke away from, L type pole and pressure sensor contact, and had exerted sufficient pressure to the arc through second spring and pressure sensor for arc and second screw rod pass through screw thread zonulae occludens, and the second screw rod no longer takes place to rotate. Meanwhile, the pressure sensor transmits a pressure signal value to the controller, and the controller controls the motor to stop rotating, so that the photovoltaic combiner box is fixed. Through setting up of arc, L type pole, second spring, pressure sensor, pressure groove, can stop the motor and rotate when the photovoltaic conflux case reaches appointed height to fix the second screw rod, prevent that second gyro wheel and first gyro wheel from sliding downwards, effectively promoted the stability and the security of photovoltaic conflux case.
Preferably, two rubber rings are included. The two rubber rings are respectively sleeved on the side surfaces of the first roller and the second roller and are respectively fixedly connected with the first roller and the second roller.
According to the technical scheme, the two rubber rings are in contact with the high rod, so that the friction force between the first roller and the high rod and the friction force between the second roller and the high rod can be effectively enhanced, and the safety and stability of the photovoltaic combiner box during installation are further improved.
A method of operating a photovoltaic junction box for a photovoltaic inverter when it is desired to mount the photovoltaic junction box on a pole.
Step one, moving the support so that the high rod is positioned between the lifting devices.
And secondly, setting a photovoltaic combiner box installation height threshold value through a measuring assembly according to the requirement.
And step three, transmitting signals to the signal receiver through the mobile phone terminal.
And step four, the signal receiver transmits signals to the controller, the controller controls the motor to start, and the motor drives the linkage assembly to start through the power gear.
And fifthly, the linkage assembly drives the lifting device to clamp the high rod through the jack.
And step six, automatically extending the side wall of the high rod to move upwards after the high rod is clamped by the lifting device.
And seventhly, after the photovoltaic combiner box moves to a designated height, the limiting assembly automatically fixes the lifting assembly and simultaneously sends a signal to the controller, and the controller controls the motor to stop rotating.
According to the technical scheme, through the setting of lifting unit, signal receiver, controller, motor, jack, measurement subassembly, spacing subassembly, elevating gear, linkage subassembly, realized the automatic fixation and the lift process of photovoltaic conflux case, reduced the use of manpower and materials, fully improved the practicality of photovoltaic conflux case.
Preferably, when the power gear rotates.
The first step is that the power gear drives the second annular gear to rotate, the second annular gear drives the first annular gear to rotate through a plurality of first teeth, the first annular gear drives the linkage gear to rotate through a plurality of second teeth, and the linkage gear drives the second brake rod to circularly move.
And step two, the edge of the second brake rod and the first brake rod slide reciprocally, and the edge of the second brake rod moves reciprocally. The first brake lever reciprocally compresses the jack input.
And thirdly, the output end of the jack stretches out and drives the lifting device to clamp the high rod through a third brake rod, and the third brake rod drives the first screw rod to move in the second annular gear along with the third brake rod through a fourth brake rod.
And fourthly, after the lifting device clamps the high rod and applies certain pressure to the high rod, the reaction force applied by the jack input end to the first annular gear through the first brake rod, the second brake rod, the linkage gear and the plurality of second teeth gradually becomes larger, the plurality of first teeth torsion springs are compressed, the plurality of first teeth are not meshed with the first annular gear any more, the second annular gear cannot apply driving force to the first annular gear, and the jack output end does not move any more.
According to the technical scheme, the lifting device can apply enough clamping force to the high rod by utilizing the pressure provided by the output end of the jack, so that the stability of fixing the photovoltaic combiner box with the high rod is ensured.
Preferably, when the first screw rotates:
the first screw drives the second screw to rotate, the second screw drives the second gear to rotate, the second gear drives the first gear to rotate, and the first gear drives the first roller to rotate through the first short rod.
And step two, simultaneously, the second screw drives the fourth gear to rotate, and the fourth gear drives the third gear to rotate. The third gear drives the second roller to synchronously rotate with the first roller through the second short rod and drives the photovoltaic combiner box to move upwards along the side face of the high rod together with the first roller.
And step three, simultaneously, the rotating first screw rod is meshed with the second screw rod and the second annular gear, so that the first screw rod moves towards the motor, the L-shaped rod is driven to move towards the second screw rod, and the L-shaped rod drives the arc plate to move towards the second screw rod.
And step four, when the first screw is close to and separated from the second screw, the arc-shaped plate is in threaded connection with the second screw. Along with the continuous movement of the L-shaped rod, the second spring is compressed, when the first screw rod is separated from the second screw rod, the L-shaped rod is in contact with the pressure sensor, and sufficient pressure is applied to the arc plate through the second spring and the pressure sensor, so that the arc plate is tightly connected with the second screw rod through threads, and the second screw rod does not rotate any more.
And fifthly, simultaneously, transmitting a pressure signal value to a controller by the pressure sensor, and controlling the motor to stop rotating by the controller to finish fixing the photovoltaic combiner box.
According to the technical scheme, the movable height of the photovoltaic combiner box reaches the threshold value, the first roller and the second roller are automatically braked, the motor is controlled to stop rotating, and the practicality and convenience of the photovoltaic combiner box are effectively improved.
The invention has the beneficial effects that:
1. Through the setting of support, signal receiver, a controller, a motor, the jack, first brake lever, the second brake lever, the third brake lever, power gear, the stopper, the spacing ring, two first springs, first slide bar, the second slide bar, spacing subassembly, first gyro wheel, first gear, the second screw rod, the sleeve, the elastic compression pole, the dead lever, first quarter butt, the second quarter butt, the third quarter butt, the second gyro wheel, the third gear, the fourth gear, first gag lever post, the second gag lever post, first ring gear, the second ring gear, a plurality of first tooth, a plurality of second tooth, first screw rod, the fourth brake lever, linkage gear, realized the automatic fixation of photovoltaic collection flow box and lift process, manpower and materials's use has been reduced, the practicality of photovoltaic collection flow box has fully been improved.
2. Through the setting of first gag lever post, second gag lever post, first spacing groove, second spacing groove, first ring gear, second ring gear, a plurality of first tooth, a plurality of second tooth, first screw rod, fourth brake lever, linkage gear, realized the automatic fixation of photovoltaic conflux case and high pole and the automatic switch of automatic climbing process and two processes, further promoted the practicality of photovoltaic conflux case.
Drawings
FIG. 1 is a schematic elevational view of the present apparatus;
FIG. 2 is a schematic top view of the present apparatus;
Fig. 3 is a schematic front view of the structure at the first ring gear;
Fig. 4 is a schematic view of a partial cross-sectional structure at the first screw.
The reference numerals are 1, a bracket, 2, a second roller, 3, a sleeve, 4, a second screw, 5, an elastic compression rod, 6, a first roller, 7, a first screw, 8, a second annular gear, 9, a first annular gear, 10, a fourth brake rod, 11, a third brake rod, 12, a motor, 13, a second brake rod, 14, a linkage gear, 15, a first brake rod, 16, a jack, 17, a second gear, 18, a first gear, 19, a fixed rod, 20, a fourth gear, 21, a third gear, 22, a limiting block, 23, a first slide rod, 24, a second slide rod, 25, an L-shaped rod, 26, an arc plate, 27, a second short rod, 28, a first short rod, 29 and a power gear.
Detailed Description
The conception and the technical effects produced by the present invention will be clearly and completely described in conjunction with the embodiments below to fully understand the objects, features and effects of the present invention.
The utility model provides a photovoltaic collection flow box for photovoltaic inverter, refer to fig. 1 and 2, includes photovoltaic collection flow box, support 1, signal receiver, controller, motor 12, jack 16, first brake lever 15, second brake lever 13, third brake lever 11, power gear, measurement subassembly, spacing subassembly, elevating gear, linkage subassembly. The photovoltaic collection flow box is arranged on the ground. The support 1 is arranged on one side of the photovoltaic combiner box and is fixedly connected with the photovoltaic combiner box. The controller is arranged on one side of the bracket 1 and is fixedly connected with the bracket 1. The signal receiver is arranged on one side of the photovoltaic combiner box, fixedly connected with the photovoltaic combiner box and in signal connection with the controller. The lifting device is arranged on the bracket 1 and is fixedly connected with the bracket 1. The motor 12 is horizontally arranged at one side of the lifting device, fixedly connected with the bracket 1 and electrically connected with the controller. The linkage assembly is arranged between the motor 12 and the lifting device, is in driving connection with the lifting device, and is fixedly connected with the bracket 1. The power gear is coaxially connected to the rotating shaft of the motor 12 and is in driving connection with the linkage assembly. The output end axis of the jack 16 is perpendicular to the rotating shaft axis of the motor 12, and the jack 16 is arranged below the motor 12 and fixedly connected with the bracket 1. One end of the first brake rod 15 is fixedly connected with the input end of the jack 16. The second brake rod 13 is a hollow tube, one end of which is sleeved on one end of the first brake rod 15 far away from the jack 16, and the second brake rod 13 is in sliding connection with the first brake rod 15 and is in driving connection with the linkage assembly. The axis of the third brake rod 11 is vertical to the axis of the output end of the jack 16, the third brake rod 11 is obliquely arranged between the jack 16 and the lifting device, the lower end of the third brake rod is fixedly connected with the output end of the jack 16, and the upper end of the third brake rod is in driving connection with the lifting device. The measuring assembly is arranged on one side, far away from the power gear, of the linkage assembly and is in driving connection with the linkage assembly. The limiting component is positioned on one side of the lifting device, is close to the linkage component, and is in driving connection with the measuring component.
When the photovoltaic combiner box is required to be installed on the high rod, the support 1 is moved first, so that the high rod is located in the lifting device, and then the movement distance threshold of the lifting device is adjusted through the measuring assembly. The mobile phone terminal is used for sending signals to a signal receiver, the signal receiver transmits the signals to a controller, and the controller controls the motor 12 to start. The motor 12 rotates with a power gear, the power gear drives a linkage assembly to start, and the linkage assembly drives the second brake rod 13 to circularly move. The second brake rod 13 and the first brake rod 15 slide reciprocally, and drive the first brake rod 15 to move reciprocally, and the first brake rod 15 compresses the input end of the jack 16 in a circulating way. The output end of the jack 16 extends out and drives the lifting device to clamp the high rod through the third brake rod 11. When the lifting device applies a certain pressure to the high rod, the linkage assembly does not apply driving force to the second brake rod 13 any more, and the output end of the jack 16 is fixed. Then, the linkage assembly automatically drives the lifting device to drive the photovoltaic confluence box to climb above the high pole through the support 1, and the automatic installation process of the photovoltaic confluence box and the high pole is realized. When the ascending distance of the lifting device reaches the set threshold value, the linkage assembly drives the limiting assembly to fix the lifting device, signals are transmitted to the controller at the same time, the controller controls the motor 12 to stop rotating, and the lifting device is fixed at the designated position of the high pole, namely the photovoltaic combiner box is fixed at the designated height of the high pole. When the photovoltaic combiner box needs to be overhauled, a signal is sent to a signal receiver through the mobile phone terminal, the signal receiver transmits the signal to a controller, the controller controls a motor 12 to rotate reversely, the motor 12 drives a power gear to rotate, and the power gear drives a linkage assembly to start. The linkage assembly drives the limiting assembly to be separated from the lifting device, and simultaneously drives the lifting device to start, the lifting device moves downwards along the high rod, and the photovoltaic combiner box is driven to move downwards through the support 1. Through setting up of support 1, signal receiver, controller, motor 12, jack 16, first brake lever 15, second brake lever 13, third brake lever 11, power gear, measurement assembly, spacing subassembly, elevating gear, linkage subassembly, realized the automatic fixed and the lift process of photovoltaic conflux case, reduced the use of manpower and materials, fully improved the practicality of photovoltaic conflux case.
Referring to fig. 1,2 and 3, the linkage assembly includes a first limit lever, a second limit lever, a first limit groove, a second limit groove, a first ring gear 9, a second ring gear 8, a plurality of first teeth, a plurality of second teeth, a first screw 7, a fourth brake lever 10, and a linkage gear 14. The axis of the first screw rod 7 is parallel to the axis of the power gear, the first screw rod 7 is positioned between the power gear and the lifting device and above the power gear, and one end of the first screw rod 7, which is far away from the power gear, is respectively in driving connection with the lifting device and the measuring assembly. The axis of the fourth brake rod 10 is perpendicular to the axis of the output end of the jack 16 and the axis of the first screw rod 7, one end of the fourth brake rod 10 is rotationally connected with the top end of the third brake rod 11, the rotation direction of the fourth brake rod 10 is perpendicular to the axis of the third brake rod, and the other end of the fourth brake rod 10 is slidingly connected with the first screw rod 7. One end of the first limiting rod is a T-shaped head, the axis of the first limiting rod is parallel to the axis of the power gear, the first limiting rod is arranged between the lifting device and the power gear, and one end of the first limiting rod, which is not the T-shaped head, is fixedly connected with the bracket 1. One end of the second limiting rod is a T-shaped head, the axis of the second limiting rod is parallel to the axis of the first limiting rod, the second limiting rod is positioned above the first limiting rod, and one end of the second limiting rod, which is not the T-shaped head, is fixedly connected with the bracket 1. The axis of the first annular gear 9 is parallel to the axis of the power gear and is above the axis of the power gear, the first annular gear 9 surrounds the power gear and the circumference side of the first screw 7, and the side surface of the first annular gear 9, which is close to the lifting device, is in sliding connection with the T-shaped head of the first limiting rod. The axis of the second annular gear 8 is coaxially sleeved in the first annular gear 9, is in sliding connection with the first annular gear 9 and is meshed with the power gear, and the side face of the second annular gear 8 is in sliding connection with the T-shaped head of the second limiting rod. The first teeth are respectively arranged on the outer ring of the second annular gear 8, are respectively connected with the second annular gear 8 through torsion springs in a rotating way, are respectively meshed with the first annular gear 9, and are respectively parallel to the axis of the second annular gear 8 in the rotating direction. The first limiting groove is formed in the joint of the T-shaped head of the first limiting rod and the first annular gear 9. The second limit groove is arranged at the joint of the T-shaped head of the second limit rod and the second annular gear 8. The second teeth are respectively arranged on the outer ring of the first annular gear 9 and are respectively fixedly connected with the first annular gear 9. The axis of the linkage gear 14 is parallel to the axis of the first annular gear 9, is in rotary connection with the bracket 1, is meshed with a plurality of second teeth, and the side edge of the linkage gear 14 far away from the motor 12 is in rotary connection with one end of the second brake rod 13 far away from the first brake rod 15. The axis of rotation of the linkage gear 14 coincides with the axis thereof.
The rotating power gear drives the second annular gear 8 to rotate, the second annular gear 8 drives the first annular gear 9 to rotate through a plurality of first teeth, the first annular gear 9 drives the linkage gear 14 to rotate through a plurality of second teeth, and the linkage gear 14 drives the second brake rod 13 to circularly move. The second brake lever 13 reciprocates with the first brake lever 15 while driving the first brake lever 15 to reciprocate. The input end of the jack 16 is compressed by the first brake rod 15 in a reciprocating mode, the output end of the jack 16 stretches out and drives the lifting device to clamp the high rod through the third brake rod 11, and the third brake rod 11 drives the first screw rod 7 to move in the second annular gear 8 along with the third brake rod 11 through the fourth brake rod 10. When elevating gear centre gripping high pole to apply certain pressure to the high pole back, jack 16 input through first brake lever 15, second brake lever 13, linkage gear 14, a plurality of second tooth is to the reaction force grow gradually that first ring gear 9 applyed, a plurality of first tooth torsional springs are compressed, a plurality of first tooth no longer takes place the meshing with first ring gear 9, second ring gear 8 can't apply the driving force to first ring gear 9, jack 16 output is motionless, utilize the pressure that jack 16 output provided, elevating gear can apply sufficient clamping force to the high pole, guarantee the fixed stability of photovoltaic collection flow box and high pole. At this time, the first screw rod 7 is meshed with the second annular gear 8, the second annular gear 8 drives the first screw rod 7 to rotate, and the first screw rod 7 drives the lifting device to ascend, so that the automatic fixing and automatic climbing processes of the photovoltaic combiner box and the high rod are realized. Through the setting of first gag lever post, second gag lever post, first spacing groove, second spacing groove, first ring gear 9, second ring gear 8, a plurality of first tooth, a plurality of second tooth, first screw rod 7, fourth brake lever 10, linkage gear 14, realized the automatic fixation of photovoltaic collection flow box and high pole and the automatic switch over of automatic climbing process and two processes, further promoted the practicality of photovoltaic collection flow box.
Referring to fig. 1 and 2, the lifting device includes a first roller 6, a first gear 18, a second gear 17, a second screw 4, a sleeve 3, an elastic compression rod 5, a fixing rod 19, a first short rod 28, and an auxiliary assembly. The axis of the sleeve 3 is perpendicular to the axis of the first screw rod 7, and the sleeve 3 is transversely arranged on one side of the linkage assembly, which is far away from the motor 12, and is fixedly connected with the bracket 1. The second screw 4 is disposed in the sleeve 3, the axis of the second screw coincides with the axis of the sleeve 3, two ends of the second screw extend to the outer side of the sleeve 3 respectively, the second screw 4 is slidably connected with the sleeve 3, one end of the second screw is in threaded connection with the first screw 7, and the second screw is fixedly connected with the third brake rod 11. The auxiliary assembly is arranged at one end of the sleeve 3 far away from the first screw rod 7, is in driving connection with the second screw rod 4, and is fixedly connected with the sleeve 3. The middle part of the elastic compression rod 5 is contractible, the axis of the elastic compression rod 5 is parallel to the axis of the second screw 4, the elastic compression rod 5 is arranged at one end of the sleeve 3 far away from the first screw 7, and the sleeve 3 is fixedly connected through the bracket 1 and is positioned at the same side of the sleeve 3 with the auxiliary assembly. The axis of the fixed rod 19 is respectively perpendicularly crossed with the axis of the second screw 4 and the axis of the elastic compression rod 5, one end of the fixed rod 19 is fixedly connected with one end of the elastic compression rod 5 far away from the sleeve 3, and the other end of the fixed rod is rotatably connected with the screw through a bearing. The axis of the first short rod 28 is respectively perpendicularly crossed with the axis of the second screw 4 and the axis of the elastic compression rod 5, the first short rod 28 is rotationally connected with one end of the elastic compression rod 5 far away from the sleeve 3, the rotation axis of the first short rod 28 coincides with the axis of the first short rod, and the first short rod 28 is far away from the auxiliary assembly. The middle of the side surface of the first roller 6 is provided with a recess, and the first roller 6 is coaxially connected to one end of the first short rod 28 far away from the second screw 4. The first gear 18 is coaxially connected to an end of the first stub 28 near the second screw 4. The second gear 17 is coaxially connected to an end of the second screw 4 near the first gear 18, and meshes with the first gear 18.
The high rod is positioned between the first roller 6 and the auxiliary component, the moving third brake rod 11 drives the second screw 4 to move, the second screw 4 drives the first roller 6 to move towards the auxiliary component through the fixed rod 19, the first gear 18 and the first short rod 28 until the first roller 6 contacts with the high rod, and after a certain pressure is applied to the high rod by the auxiliary component, the output end of the jack 16 does not move any more. Then the first screw rod 7 in rotation drives the second screw rod 4 to rotate, the second screw rod 4 drives the second gear 17 to rotate, the second gear 17 drives the first gear 18 to rotate, and the first gear 18 drives the first roller 6 to rotate through the first short rod 28. Simultaneously, the second screw 4 in the rotation drives auxiliary assembly to start, and first gyro wheel 6 climbs along the high pole side with auxiliary assembly upwards, has realized carrying out effective centre gripping to the high pole and stable working process who climbs.
Referring to fig. 1 and 2, the auxiliary assembly includes a second short bar 27, a third short bar, a second roller 2, a third gear 21, a fourth gear 20, and a driving groove. The axis of the second short rod 27 is perpendicular to the axis of the sleeve 3, is parallel to the axis of the first short rod 28 and is positioned on the same side of the sleeve 3 as the first short rod 28, one end of the second short rod 27 is rotatably connected with the sleeve 3, and the rotation axis of the second short rod 27 is coincident with the axis of the second short rod. The second roller 2 has the same shape and size as the first roller 6, the geometric point at the center of the second roller 2 is on the same straight line with the geometric point at the center of the first roller 6, and the second roller 2 is coaxially connected to one end of the second short rod 27. The third gear 21 is coaxially connected to one end of the second stub 27 and is disposed adjacent the sleeve 3. The third stub shaft axis is parallel to the sleeve 3 axis, and the third stub shaft is rotatably connected to the bracket 1 and is located between the second screw 4 and the third gear 21. The fourth gear 20 is coaxially connected to one end of the third short rod, penetrates through the side wall of the sleeve 3, and is meshed with the second screw 4 and the third gear 21 respectively. The driving groove is arranged at the position that the fourth gear 20 penetrates through the side wall of the sleeve 3.
The side surface of the first roller 6 contacts with the side surface of the high rod and assists the first roller 6 to clamp the high rod. The rotating second screw 4 drives the fourth gear 20 to rotate, and the fourth gear 20 drives the third gear 21 to rotate. The third gear 21 drives the second roller 2 and the first roller 6 to synchronously rotate through the second short rod 27, and drives the photovoltaic combiner box to move upwards along the side surface of the high rod together with the first roller 6.
Referring to fig. 2 and 4, the measuring assembly includes a stopper 22, a first chute, a second chute, a stopper ring, two third stopper grooves, two first springs, a first slide bar 23, a third chute, and a second slide bar 24. The limiting block 22 is arranged on one side of the second screw 4 far away from the motor 12 and is in sliding connection with the bracket 1. The two first springs are vertically arranged at the top ends of the limiting blocks 22 respectively, the lower ends of the two first springs are fixedly connected with the limiting blocks 22 respectively, and the upper ends of the two first springs are fixedly connected with the bracket 1 respectively. The first chute is transversely arranged in the limiting block 22 and penetrates through the limiting block 22. The axis of the first slide bar 23 is coincident with the axis of the first screw rod 7, the diameter of the first slide bar 23 is smaller than that of the first screw rod 7, the first slide bar 23 is positioned in the first chute, two ends of the first slide bar 23 extend to the outer side of the first chute respectively, one end of the first slide bar 23 is in sliding connection with the first screw rod 7, and the sliding direction of the first slide bar is coincident with the axis of the first screw rod 7. The limiting ring is coaxially sleeved on the first sliding rod 23, fixedly connected with the first sliding rod 23 and slidably connected with the limiting block 22. The second chute is arranged at the joint of the first slide bar 23 and the first screw rod 7. The two third limit grooves are respectively arranged at the joint of the limit ring and the limit block 22 and are respectively positioned in the first slide groove. The axis of the second slide bar 24 coincides with the axis of the first slide bar 23, the second slide bar 24 is arranged in the first slide bar 23, two ends of the second slide bar 24 extend to the outer side of the first slide bar 23 respectively, the second slide bar 24 is in sliding connection with the first slide bar 23, one end of the second slide bar 24 is fixedly connected with the first screw rod 7, and a measuring standard number is arranged on the side face of the second slide bar 24. The third chute is arranged at the joint of the second slide bar 24 and the first slide bar 23.
When the installation height threshold value of the photovoltaic combiner box is adjusted, the limiting block 22 is pushed upwards firstly, the limiting block 22 drives the first sliding rod 23 to move upwards, the first sliding rod 23 drives the second sliding rod 24 and the first screw rod 7 to move upwards respectively, and the first screw rod 7 is separated from the second screw rod 4. The second slide bar 24 is drawn, the second slide bar 24 drives the first screw rod 7 to move, the standard number at the junction of the standard number measured on the side face of the second slide bar 24 and the first slide bar 23 is set according to the requirement, then the moving block is put down, the first screw rod 7 is reconnected with the second screw rod 4, the setting of the threshold value of the photovoltaic confluence installation height is completed, the threshold value setting is carried out in advance according to the requirement of the photovoltaic confluence box installation height, the photovoltaic confluence box can automatically stop rising after reaching the specified height, the artificial judgment of the distance when the estimated overhigh speed is caused by rising of the photovoltaic confluence box is prevented, and the installation height of the photovoltaic confluence box can be accurately positioned.
Referring to fig. 2, the limit assembly includes an arc 26, an L-shaped rod 25, a second spring, a pressure sensor, and a pressure groove. The L-shaped rod 25 is arranged in the first chute, two ends of the L-shaped rod extend to the outer side of the first chute respectively, and one end of the L-shaped rod 25 is rotatably connected with one end of the second slide rod 24, which is far away from the first screw rod 7. The axis of the arc-shaped plate 26 is parallel to the axis of the second screw 4 and perpendicular to the axis of the first screw 7, the arc-shaped plate 26 is slidably connected with one end of the L-shaped rod 25, which is far away from the limiting block 22, the concave surface of the arc-shaped plate 26 is close to the second screw 4, and threads are arranged on the concave surface of the arc-shaped plate 26. The pressure groove is arranged at the joint of the L-shaped rod 25 and the arc-shaped plate 26. The axis of the second spring is perpendicular to the axis of the arc-shaped plate 26, the second spring is arranged between the L-shaped rod 25 and the arc-shaped plate 26, one end of the second spring is fixedly connected with the arc-shaped plate 26, and the other end of the second spring is fixedly connected with the L-shaped rod 25. The pressure sensor is located in the second spring and is fixedly connected with the arc plate 26 and is electrically connected with the controller.
The rotating first screw rod 7 is meshed with the second screw rod 4 and the second annular gear 8, so that the first screw rod moves towards the motor 12, the L-shaped rod 25 is driven to move towards the second screw rod 4, and the L-shaped rod 25 drives the arc-shaped plate 26 to move towards the second screw rod 4. When the first screw 7 approaches to be separated from the second screw 4, the arc 26 is in threaded connection with the second screw 4. With the continuous movement of the L-shaped rod 25, the second spring is compressed, when the photovoltaic combiner box reaches the set height threshold, the L-shaped rod 25 is in contact with the pressure sensor when the first screw 7 is disengaged from the second screw 4, and sufficient pressure is applied to the arc plate 26 by the second spring and the pressure sensor, so that the arc plate 26 is tightly connected with the second screw 4 through threads, and the second screw 4 does not rotate any more. Meanwhile, the pressure sensor transmits a pressure signal value to the controller, and the controller controls the motor 12 to stop rotating, so that the photovoltaic combiner box is fixed. Through setting up of arc 26, L type pole 25, second spring, pressure sensor, pressure groove, can stop motor 12 when the photovoltaic conflux case reaches appointed height and rotate to fix second screw rod 4, prevent that second gyro wheel 2 and first gyro wheel 6 from sliding downwards, effectively promoted the stability and the security of photovoltaic conflux case.
Comprising two rubber rings. The two rubber rings are respectively sleeved on the side surfaces of the first roller 6 and the second roller 2 and are respectively fixedly connected with the first roller 6 and the second roller 2.
The two rubber rings are in contact with the high rod, so that the friction force between the first roller and the high rod and the friction force between the second roller and the high rod can be effectively enhanced, and the safety and stability of the photovoltaic combiner box during installation are further improved.
When the photovoltaic junction box is required to be mounted on a high rod, the support 1 is moved firstly, so that the high rod is positioned between the first roller 6 and the second roller 2, the limiting block 22 is pushed upwards, the limiting block 22 drives the first sliding rod 23 to move upwards, the first sliding rod 23 drives the second sliding rod 24 and the first screw rod 7 to move upwards respectively, and the first screw rod 7 is separated from the second screw rod 4. And drawing the second slide bar 24, driving the first screw rod 7 to move by the second slide bar 24, setting the standard number at the junction of the standard number measured on the side surface of the second slide bar 24 and the first slide bar 23 according to the requirement, then putting down the moving block, and reconnecting the first screw rod 7 and the second screw rod 4, thereby completing the setting of the photovoltaic confluence installation height threshold value. The mobile phone terminal is used for sending signals to a signal receiver, the signal receiver transmits the signals to a controller, and the controller controls the motor 12 to start. The motor 12 is provided with a power gear to rotate, the power gear drives the second annular gear 8 to rotate, the second annular gear 8 drives the first annular gear 9 to rotate through a plurality of first teeth, the first annular gear 9 drives the linkage gear 14 to rotate through a plurality of second teeth, and the linkage gear 14 drives the second brake rod 13 to circularly move. The second brake lever 13 reciprocates with the first brake lever 15 while driving the first brake lever 15 to reciprocate. The input end of the jack 16 is compressed in a reciprocating mode through the first braking rod 15, the output end of the jack 16 stretches out and drives the second screw 4 to move through the third braking rod 11, the second screw 4 drives the first roller 6 to move towards the second roller 2 through the fixing rod 19, the first gear 18 and the first short rod 28 until the first roller 6 contacts with the high rod and applies certain pressure, the reaction force applied by the input end of the jack 16 to the first inner gear 9 through the first braking rod 15, the second braking rod 13, the linkage gear 14 and the plurality of second teeth gradually becomes larger, the plurality of first tooth torsion springs are compressed, the plurality of first teeth are not meshed with the first inner gear 9 any more, the second inner gear 8 cannot apply driving force to the first inner gear 9, and the jack 16 is fixed in output. At this time, the first screw rod 7 is meshed with the second inner gear ring 8, the second inner gear ring 8 drives the first screw rod 7 to rotate, the first screw rod 7 drives the second screw rod 4 to rotate, the second screw rod 4 drives the second gear 17 to rotate, the second gear 17 drives the first gear 18 to rotate, and the first gear 18 drives the first roller 6 to rotate through the first short rod 28. At the same time, the rotating second screw 4 drives the fourth gear 20 to rotate, and the fourth gear 20 drives the third gear 21 to rotate. The third gear 21 drives the second roller 2 and the first roller 6 to synchronously rotate through the second short rod 27, and drives the photovoltaic combiner box to move upwards along the side surface of the high rod together with the first roller 6. When the photovoltaic combiner box reaches the set height threshold, when the first screw rod 7 is separated from the second screw rod 4, the L-shaped rod 25 is in contact with the pressure sensor, and sufficient pressure is applied to the arc plate 26 through the second spring and the pressure sensor, so that the arc plate 26 is tightly connected with the second screw rod 4 through threads, and the second screw rod 4 does not rotate any more. Meanwhile, the pressure sensor transmits a pressure signal value to the controller, and the controller controls the motor 12 to stop rotating, so that the photovoltaic combiner box is fixed. When the photovoltaic combiner box is required to be overhauled, a signal is sent to a signal receiver through the mobile phone terminal, the signal receiver transmits the signal to a controller, and the controller controls the motor 12 to rotate reversely.
A method of operating a photovoltaic junction box for a photovoltaic inverter when it is desired to mount the photovoltaic junction box on a pole.
Step one, moving the bracket 1 so that the high rod is positioned between the lifting devices.
And secondly, setting a photovoltaic combiner box installation height threshold value through a measuring assembly according to the requirement.
And step three, transmitting signals to the signal receiver through the mobile phone terminal.
And step four, the signal receiver transmits signals to the controller, the controller controls the motor 12 to start, and the motor 12 drives the linkage assembly to start through the power gear.
And fifthly, the linkage assembly drives the lifting device to clamp the high rod through the jack 16.
And step six, automatically extending the side wall of the high rod to move upwards after the high rod is clamped by the lifting device.
And step seven, after the photovoltaic combiner box moves to the designated height, the limiting assembly automatically fixes the lifting assembly and simultaneously sends a signal to the controller, and the controller controls the motor 12 to stop rotating.
Through lifting unit, signal receiver, controller, motor 12, jack 16, measurement assembly, spacing subassembly, elevating gear, linkage assembly's setting, realized the automatic fixation and the lift process of photovoltaic conflux case, reduced the use of manpower and materials, fully improved the practicality of photovoltaic conflux case.
When the power gear rotates.
The first step is that the power gear drives the second annular gear 8 to rotate, the second annular gear 8 drives the first annular gear 9 to rotate through a plurality of first teeth, the first annular gear 9 drives the linkage gear 14 to rotate through a plurality of second teeth, and the linkage gear 14 drives the second brake rod 13 to circularly move.
And step two, the second brake rod 13 and the first brake rod 15 slide reciprocally and drive the first brake rod 15 to move reciprocally. The first brake lever 15 reciprocally compresses the input end of the jack 16.
And thirdly, the output end of the jack 16 stretches out and drives the lifting device to clamp the high rod through the third brake rod 11, and the third brake rod 11 drives the first screw rod 7 to move in the second annular gear 8 along with the third brake rod 11 through the fourth brake rod 10.
And fourthly, after the lifting device clamps the high rod and applies certain pressure to the high rod, the reaction force applied by the input end of the jack 16 to the first annular gear 9 through the first brake rod 15, the second brake rod 13, the linkage gear 14 and the plurality of second teeth gradually becomes larger, the plurality of first tooth torsion springs are compressed, the plurality of first tooth torsion springs are not meshed with the first annular gear 9 any more, the second annular gear 8 cannot apply driving force to the first annular gear 9, and the output end of the jack 16 is not moved any more.
By means of the pressure provided by the output end of the jack 16, the lifting device can apply enough clamping force to the high rod, and stability of fixing the photovoltaic combiner box with the high rod is guaranteed.
When the first screw 7 rotates:
The first screw rod 7 drives the second screw rod 4 to rotate, the second screw rod 4 drives the second gear 17 to rotate, the second gear 17 drives the first gear 18 to rotate, and the first gear 18 drives the first roller 6 to rotate through the first short rod 28.
And step two, simultaneously, the second screw 4 drives the fourth gear 20 to rotate, and the fourth gear 20 drives the third gear 21 to rotate. The third gear 21 drives the second roller 2 and the first roller 6 to synchronously rotate through the second short rod 27, and drives the photovoltaic combiner box to move upwards along the side surface of the high rod together with the first roller 6.
And step three, simultaneously, the rotating first screw rod 7 moves towards the direction of the motor 12 due to the engagement with the second screw rod 4 and the second annular gear 8, and drives the L-shaped rod 25 to move towards the direction of the second screw rod 4, and the L-shaped rod 25 drives the arc-shaped plate 26 to move towards the direction of the second screw rod 4.
And step four, when the first screw rod 7 is close to being separated from the second screw rod 4, the arc-shaped plate 26 is in threaded connection with the second screw rod 4. With the continued movement of the L-shaped rod 25, the second spring is compressed, and when the first screw 7 is disengaged from the second screw 4, the L-shaped rod 25 is in contact with the pressure sensor, and sufficient pressure is applied to the arc plate 26 by the second spring and the pressure sensor, so that the arc plate 26 is tightly connected with the second screw 4 by the screw thread, and the second screw 4 is not rotated any more.
And fifthly, simultaneously, transmitting the pressure signal value to a controller by the pressure sensor, and controlling the motor 12 to stop rotating by the controller to finish fixing the photovoltaic combiner box.
Can realize reaching the threshold value at photovoltaic conflux case moving height, automatic braking first gyro wheel 6 and second gyro wheel 2 to control motor 12 stops rotating, the practicality and the convenience of the photovoltaic conflux case of effective promotion.
The above-described embodiments are only some embodiments, but not all embodiments, of the present invention, and other embodiments, which are obtained by those skilled in the art without any inventive effort, are within the scope of the present invention.