CN105197819A - Multifunctional carrying equipment capable of locking frame, adopting magnetic hanging loops for hoisting and applied to transformer substation - Google Patents

Abstract

The invention discloses a substation multi-functional handling equipment with lockable frame and hoisting with magnetic hanging loops. And locked cross main arm, the auxiliary arm is connected to the top of the cross main arm, and there are fixed pulleys at both ends of the auxiliary arm. The frame is equipped with a lifting mechanism and connected to the support beam suspended at the lower end of the auxiliary arm through a sling. Connect the hook through the support beam to lift the cable trench cover, and connect the magnetic lifting loop through the support beam to lift the switch trolley. In the special site environment of the substation, the invention can stably lift the switch trolley or the cable trench cover plate of the substation, and transport them to the designated position, and is a multifunctional device integrating lifting and transporting functions.

Description

Substation multifunctional handling equipment with lockable frame and magnetic lifting loops

Technical field:

The invention relates to a multifunctional handling equipment for a substation with a lockable vehicle frame and hoisting with a magnetic hanging ring.

Background technique:

The substation is one of the facilities for power supply, and it is a place to change the voltage. The main equipment inside it is a switch and a transformer. These devices are assembled to cut off or connect, change or adjust the voltage. In the power system, the substation is Consolidation point for power transmission and distribution. Since the substation plays a very important role in the power supply system, its equipment management is also very important. In the process of substation equipment management, the use, maintenance, and repair of equipment are generally regarded as independent processes. As far as the lifting, handling and disassembly of equipment are concerned, due to the small space inside the substation, large lifting equipment and transportation equipment cannot be used. In addition, there are many live equipment in the substation, which also limits the use of some electrified lifting and handling equipment. Therefore, it is urgent to develop a device suitable for lifting and handling tasks in substations.

Invention content:

In order to overcome the defects of the prior art, the object of the present invention is to provide a substation multi-functional handling equipment with lockable frame and lifting with magnetic hanging loops, which can stably lift the switch trolley of the substation in the special site environment of the substation, and Transport it to a designated location; and the vehicle frame can be firmly locked on the ground through a locking mechanism. The present invention is a multifunctional device integrating lifting and transporting functions.

The present invention solves technical problem and adopts following technical scheme:

The substation multi-functional handling equipment with lockable frame and magnetic lifting loops, including:

The vehicle frame, the cross main arm supported by the vehicle frame, and the pull-type running trolley arranged in the vehicle frame;

The vehicle frame has a frame structure base and walking wheels arranged under the base. Two front uprights, three middle uprights and two rear uprights are vertically fixed on the base, and the tops of the two rear uprights are There are cross bars connected between them to form the handle frame; there are U-shaped grooves on the top of the two front columns;

The cross main arm has a longitudinal arm and a cross arm connected with the longitudinal arm, the cross arm is erected in the U-shaped groove, and the lower end of the longitudinal arm is fixedly connected to the vehicle frame through a connecting piece;

The top of the longitudinal arm is connected with a horizontal auxiliary arm, fixed pulleys are arranged at both ends of the auxiliary arm, and a lifting mechanism is arranged on the vehicle frame. One end of the suspension rope is connected to the lifting mechanism, and the other end is automatically The two fixed pulleys pass through, and a support beam is connected to the end of the suspension rope. The middle part of the support beam has lifting lugs connected with the suspension rope, and the two ends of the support beam are provided with lifting holes. There is a magnetic hanging loop, the upper end of the magnetic hanging loop has a connecting hole, the middle part is provided with a magnet, and the bottom is a right-angle hook;

The front end of the frame base is provided with a hinge seat, on which a back brace main bracket is hinged through a pin shaft, and a back brace auxiliary bracket is hinged in the middle of the back brace main bracket, and the middle and upper side of the front column The square solid is provided with hanging lugs for hanging the counter-brace sub-bracket, and the side of the middle and lower part of the front column is fixed with a support seat for the oblique back-brace sub-bracket;

The vehicle frame has a locking mechanism with the ground, and the locking mechanism includes: a vertical threaded sleeve is fixed on the lower end side of the middle column of the three columns, and a screw rod cooperating with the threaded sleeve is arranged. , the lower end of the screw rod is a stepped shaft, the lower end of the stepped shaft passes through the central hole of the circular pressure plate, and a gasket and a nut are connected to the shaft end of the stepped shaft to prevent the circular pressure plate from falling off. A thrust ball bearing sleeved on the stepped shaft is provided between the top surface and the stepped surface of the stepped shaft, and a ring of spikes is provided on the bottom surface of the circular pressure plate along the circumferential direction.

The running trolley has a frame structure car body and a walking wheel arranged at the bottom of one end of the car body, and a U-shaped handle is hinged at the other end of the car body through a pin shaft; To fix the handle in the horizontal state; a U-shaped elastic circlip is provided on the cross bar of the handle frame to fix the handle in the vertical state.

The connecting piece connected to the lower end of the longitudinal arm includes: a rectangular steel plate, two arc-shaped steel plates vertically fixed on the surface of the rectangular steel plate, and the two arc-shaped steel plates are arranged in parallel; a through hole is provided on the surface of the rectangular steel plate Cooperating with the fixing bolts at the front end of the frame base, the two arc-shaped steel plates are respectively provided with three through holes, and the three through holes are distributed along the axis direction of the arc-shaped steel plates at intervals. The bottom end of the arm is connected by a fixed pin;

The middle column of the three center columns is also provided with through holes, and the other two through holes of the arc-shaped steel plate are alternately connected with the through holes on the middle column through fixing pins to change the angle between the trailing arm and the vertical line.

An extension rod is connected to the top of the screw rod, and a rotating handle is arranged on the top of the extension rod.

Compared with the prior art, the beneficial effects of the present invention are reflected in:

In the special site environment of the substation, the invention can stably lift the switch trolley of the substation, place it on the running trolley extracted from the frame, and then transport it to the designated position through the whole equipment. , transportation function in one multifunctional equipment.

The longitudinal arm of the cross main arm in the present invention can be swung at a certain angle and locked, which can increase the working range and avoid the interference between the hoisted object and the vehicle frame.

There is a locking structure between the vehicle frame and the ground of the present invention, and the vehicle frame can be firmly locked on the ground by piercing into the ground through a circle of spikes on the bottom surface of the pressure plate.

When using the equipment of the present invention to lift the substation switch trolley, the right-angled hooks at the bottom of the two magnetic hanging loops are respectively hooked into the holes at both ends of the switch trolley, and the magnets in the middle of the magnetic hanging loops are tightly adsorbed on the switching trolley, thereby ensuring the magnetic suspension. The right-angled hooks of the loop will not fall off from the lifting holes at both ends of the switch trolley, which greatly improves the safety of lifting operations. And when it is necessary to lift the cable trench cover, the magnetic lifting loop can be replaced with a hook operation.

The running trolley of the present invention can be accommodated in the vehicle frame when lifting the equipment, put down the back support main bracket to support it on the ground, and the back support sub-support is diagonally braced on the support seat, which can prevent the cross main arm from overturning when the lifting equipment is off the ground; When operating the hoisted equipment, the running trolley can be pulled out, the main back support bracket can be lifted, and the back support sub-support can be hung on the hanging lug to ensure that the main back support bracket is off the ground. Links, improve efficiency while ensuring the safety of the operation. When the running trolley is stored in the frame, its handle can be erected and fixed on the side of the frame column through the elastic circlip; The rear end of the frame base ensures the reliability of operation.

Description of drawings:

Fig. 1 is a schematic diagram of the overall structure of the present invention; Fig. 2A, 2B are the front view and the top view of the auxiliary arm connected to the fixed pulley; Fig. 2C, 2D are the front view and the top view of the auxiliary arm; Fig. 3A, 3B are the front view and the top view of the vehicle frame Top view; Fig. 3C and 3D are the A-direction and B-direction views of Fig. 3A; Fig. 4A is a schematic diagram of the back-brace main bracket being raised and the back-brace sub-bracket hanging on the hanging lug; Fig. 4B is the back-brace main bracket falling and the back-brace The schematic diagram of the sub-support diagonally braced on the support seat; Fig. 5 is a top view of the running trolley pulled out from the frame; Fig. 6A is a schematic diagram of the handle of the running trolley folded upwards (showing the state where the elastic circlip on the frame is matched with the handle ); Figure 6B is a schematic diagram of the handle of the running trolley being laid flat (showing the state in which the clamping parts on the frame cooperate with the handle); Figure 6C is the top view of Figure 6B; Figure 7A, 7B are the front view and side view of the magnetic hanging loop Views; Figure 7C is a schematic diagram of a hook; Figure 8A-8C is a front view, a right view, and a top view of a supporting beam; Figure 9A is a schematic diagram of an extension rod; Figure 9B is a schematic diagram of a screw; Figures 9C and 9D are circular pressure plates Figures 9E and 9F are the front and top views of the threaded sleeve; Figures 10A and 10B are the front and right views of the cross main arm; Figures 11A and 11B are the main parts of the connecting piece connected to the lower end of the trailing arm View, top view; Figure 12A, 12B is the front view and top view of the back brace main bracket; Figure 13A, 13B is the front view and top view of the back brace sub-bracket.

Numbers in the figure: 1 frame, 101 front column, 102 center column, 103 rear column, 104 hinged seat, 105 back brace main bracket, 106 back brace sub bracket, 107 fixing bolt, 1001 hanging lug, 1002 support seat, 2 cross Main arm, 201 longitudinal arm, 202 cross arm, 3 running trolley, 301 car body, 302 handle, 303 clamping piece, 304 elastic circlip, 5 lifting mechanism, 6 supporting beam, 601 lifting lug, 602 lifting hole, 7 Magnetic hanger, 701 connection hole, 702 magnet, 703 right-angle hook, 8 connectors, 801 rectangular steel plate, 802 curved steel plate, 9 locking mechanism, 901 threaded sleeve, 902 screw rod, 903 circular pressure plate, 904 thrust ball bearing , 905 extension rod, 906 rotating handle, 907 spikes, 10 hooks, 11 slings.

The present invention will be further described below through specific embodiments and in conjunction with the accompanying drawings.

Detailed ways:

Embodiment: The vehicle frame of this embodiment can be locked, and the substation multi-functional handling equipment that adopts magnetic hanging loops to lift includes:

Frame 1, a cross main arm 2 supported by the frame, and a pull-type running trolley 3 arranged in the frame;

Vehicle frame 1 has the base of frame structure and the walking wheel that is arranged under the base, is vertically fixedly provided with two front columns 101, three center columns 102 and two rear columns 103 on the base, between the tops of the two rear columns There are cross bars connected to form the handle frame; U-shaped grooves are provided on the top of the two front columns 101; the two front columns and the two rear columns are at the apex positions of the "日" character, and the three middle columns are at the "日" character on the middle horizontal line.

The cross main arm 2 has a longitudinal arm 201 and a cross arm 202 which forms a cross connection with the longitudinal arm. The two ends of the cross arm are set in the U-shaped groove on the top of the front column 101. on the frame;

The top of the longitudinal arm is connected with a horizontal jib 4, fixed pulleys 401 are arranged at both ends of the jib, and a hoisting mechanism 5 is provided on the vehicle frame. One end of the suspension rope 11 is connected to the hoisting mechanism 5, and the other end Pass through the two fixed pulleys 401, and be connected with the support beam 6 at the end of the suspension rope, the middle part of the support beam has the lug 601 connected with the suspension rope, and the two ends of the support beam are provided with lifting holes 602, in each lifting hole Connected with a magnetic hanging loop 7, the upper end of the magnetic hanging loop has a connecting hole 701, a magnet 702 is provided in the middle, and a right-angle hook 703 is arranged at the bottom;

The front end of the vehicle frame base is provided with a hinge seat 104, on the hinge seat 104, a back brace main bracket 105 is hinged by a pin shaft, and a back brace sub-bracket 106 is hinged in the middle of the back brace main bracket. There are fixed mounting lugs 1001 for hanging the back-brace sub-bracket 106, and a support seat 1002 for the diagonal brace back-brace sub-bracket 106 is fixed on the side of the middle and lower part of the front column; see Figure 4A and 4B, when it is necessary to lift the substation switch trolley After pushing the lifting and handling equipment of the present invention to the designated position, take off the back support sub-bracket 106 from the hanging ear 1001, put down the back support main support 105, and use the back support sub-bracket 106 to diagonally brace on the support seat 1002 to prevent When the equipment is overturned during hoisting, in combination with Figures 1, 7A, and 7B, hang the right-angle hooks 703 of the two magnetic hanging loops 7 in the lifting holes at both ends of the switch trolley respectively, and the magnet 702 is adsorbed on the switch trolley to ensure that the right-angle hook 703 will not fall from the When the switch trolley is lifted off the ground, pull out the running trolley 3, fasten the handle 302 of the running trolley to the clamping part 303 of the frame, and place the switch trolley on the running trolley smoothly. 3, the magnetic suspension loop 7 is not removed to ensure the safety during transportation, then lift the back support main bracket 105, and use the back support sub-bracket 106 to hang on the hanging ear 1001, at this time you can push the equipment to switch the trolley Transport it to the designated location, and after it is in place, just reverse the operation. This ensures the continuity of lifting operations and transportation operations, improves efficiency and greatly improves safety.

The vehicle frame has a locking mechanism 9 between the ground, and the locking mechanism includes: a vertical threaded sleeve 901 is fixed on the lower end side of the middle column of the three columns 102, and a screw rod 902 matched with the threaded sleeve is provided. The lower end is a stepped shaft, and the lower end of the stepped shaft passes through the central hole of the circular pressure plate 903. A washer and a nut are connected to the shaft end of the stepped shaft to prevent the circular pressure plate 903 from falling off. A thrust ball bearing 904 sleeved on the stepped shaft is provided between the stepped surface of the stepped shaft, and a ring of spikes 907 is provided on the bottom surface of the circular pressure plate 903 along the circumferential direction. An extension rod 905 is connected to the top of the screw rod 902, and a rotating handle 906 is provided on the top of the extension rod. When lifting, in order to improve safety, the rotating handle 905 of the extension rod 904 can be rotated to drive the screw rod 902 to rotate, the screw rod 902 compresses the circular pressure plate 903, and the spikes 906 on the bottom surface of the circular pressure plate 903 can be inserted into the ground, thereby turning the entire The equipment is locked to the ground.

In the specific setting, the running trolley 3 has a car body 301 with a frame structure and a walking wheel located at the bottom of one end of the car body, and a U-shaped handle 302 is hinged at the other end of the car body through a pin shaft; A clamping member 303 is used to fix the handle 302 in a horizontal state; a U-shaped elastic snap spring 304 is arranged on the crossbar of the handle frame to fix the handle 302 in a vertical state.

The connector 8 connected to the lower end of the longitudinal arm 201 includes: a rectangular steel plate 801, two arc-shaped steel plates 802 vertically fixed on the surface of the rectangular steel plate, and the two arc-shaped steel plates 802 are arranged in parallel; on the surface of the rectangular steel plate 801 Through holes are provided to cooperate with the fixing bolts 107 at the front end of the frame base. Three through holes are respectively provided on the two arc-shaped steel plates 802. The three through holes are distributed along the axial direction of the arc-shaped steel plates at intervals. The first through hole is connected with the bottom end of the trailing arm through a fixing pin;

The middle columns of the three center columns 102 are also provided with through holes, and the other two through holes of the arc-shaped steel plate 802 are alternately connected with the through holes on the middle columns through fixing pins to change the angle between the longitudinal arm and the vertical line. When the longitudinal arm 201 of the cross main arm 2 is in a vertical state, the through hole at the end of the arc-shaped steel plate 802 is connected with the through hole on the center column 102 through a fixing pin; when lifting the cable trench cover, it may be necessary to adjust the longitudinal arm 201 At this time, the through hole in the middle of the arc-shaped steel plate 802 can be connected with the through hole on the center column 102 through a fixed pin, so that the trailing arm 201 can be tilted at a certain angle, preventing the object being lifted from interfering with the vehicle frame, and lifting the cable trench During cover plate, do not need to use magnetic hanging loop 7, can use suspension hook 10 operations instead.

Claims (4)

1. substation's multi-functional carrying equipment of vehicle frame lockable, the lifting of employing magnetic hanging loop, is characterized in that comprising:

Vehicle frame (1), the cross principal arm (2) supported by described vehicle frame and the drawing and pulling type transportation trolley (3) be located in described vehicle frame;

Described vehicle frame (1) has the base of framed structure and the road wheel under being located at described base, described base is vertically fixedly installed two A-pillars (101), three central posts (102) and two rear columns (103), is connected with cross bar between the top of two rear columns and forms handle framework; U-shaped groove is provided with at the top of two A-pillars (101);

Described cross principal arm (2) has trailing arm (201) and forms with trailing arm the transverse arm (202) that cross is connected, described transverse arm is erected in described U-shaped groove, and the lower end of trailing arm is fixedly connected on vehicle frame by attaching parts (8);

The top of described trailing arm is connected with the auxiliary (4) of level, fixed pulley (401) is provided with at the two ends of auxiliary, vehicle frame is provided with lifting mechanism (5), one end of lifting rope (11) is connected on described lifting mechanism (5), the other end passes from two described fixed pulleys (401), and be connected with supporting traverse (6) at the end of lifting rope, the middle part of described supporting traverse has the hanger (601) be connected with lifting rope, the two ends of supporting traverse are provided with lifting hole(eyelet) (602), magnetic hanging loop (7) is connected with in each lifting hole(eyelet), the upper end of described magnetic hanging loop has connecting bore (701), middle part is provided with magnet (702), bottom is right angle hook (703),

The front end of described vehicle frame base is provided with hinged seat (104), described hinged seat (104) there is back strut main support (105) by hinge, be hinged with back strut assistant support (106) at the middle part of back strut main support, the side, middle and upper part of described A-pillar (101) is installed with hangers (1001) for hanging back strut assistant support (106), the side, middle and lower part of A-pillar is installed with supporting seat (1002) for diagonal brace back strut assistant support (106);

Described vehicle frame has the lockout mechanism (9) between ground, described lockout mechanism comprises: be installed with vertical screw thread bush (901) at the B-pillar lower end sidepiece of described three root posts (102), the screw rod (902) coordinated with described screw thread bush is set, the lower end of described screw rod (902) is Step Shaft, the lower end of Step Shaft is passed from the centre hole of circular platen (903), pad is connected with and nut stops circular platen (903) to come off at the axle head of Step Shaft, the thrust ball bearing (904) be socketed on Step Shaft is provided with between the end face and the step surface of Step Shaft of circular platen (903), the bottom surface of described circular platen (903) is along the circumferential direction provided with a circle spine (907).

2. substation's multi-functional carrying equipment of vehicle frame lockable according to claim 1, the lifting of employing magnetic hanging loop, it is characterized in that, the car body (301) that described transportation trolley (3) has framed structure and the road wheel be located at bottom car body one end, have the handle (302) of U-shaped by hinge at the other end of car body; Fastener (303) is provided with in order to the handle (302) under fixing horizontal state in the rear end of vehicle frame base; The cross bar of described handle framework is provided with the elastic circlip (304) of U-shaped in order to the handle (302) under fixing vertical state.

3. substation's multi-functional carrying equipment of vehicle frame lockable according to claim 1, the lifting of employing magnetic hanging loop, it is characterized in that, the attaching parts (8) being connected to trailing arm (201) lower end comprising: rectangular steel plates (801), be vertically located in two curved plates (802) on described rectangular steel plates plate face, two curved plates (802) be arranged in parallel; The plate face of rectangular steel plates (801) is provided with through hole coordinate with the bolt of rear end plate (107) of vehicle frame base front end, two curved plates (802) are provided with three road through holes separately, the axis direction of three road through holes arcuately steel plate is spaced apart, and the first through hole be in directly over bolt of rear end plate (107) is connected by set pin with trailing arm bottom;

The B-pillar of three central posts (102) is provided with through hole equally, and the another twice through hole of curved plate (802) is alternately connected by set pin with the through hole on B-pillar, changes the angle of trailing arm and plumb bob vertical.

4. substation's multi-functional carrying equipment of vehicle frame lockable according to claim 1, the lifting of employing magnetic hanging loop, it is characterized in that, be connected with lengthening bar (905) on the top of described screw rod (902), and be provided with turning handle (906) on the top of lengthening bar.