CN110942947A

CN110942947A - Operating mechanism and be equipped with this operating mechanism's cubical switchboard

Info

Publication number: CN110942947A
Application number: CN201911315322.4A
Authority: CN
Inventors: 童玉林; 李小丽; 赵瑶灵; 张拽铭; 吴孝军
Original assignee: Hing Hing Electrical Appliance Co Ltd
Current assignee: Hing Hing Electrical Appliance Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-03-31
Anticipated expiration: 2039-12-19
Also published as: CN110942947B

Abstract

An operating mechanism and a switch cabinet provided with the same. The problem of current operating device transmission complicacy make vacuum interrupter divide-shut brake action unreliable is solved. It includes curb plate and joint, the curb plate on be equipped with the energy storage axle, the energy storage axle be connected with vacuum interrupter through transmission, transmission include driving plate and multiunit link assembly, each group link assembly all is connected with a looks vacuum interrupter through connecting, all is connected through the driving plate between the link assembly of difference, and the driving plate drives through link assembly and connects linear motion drive vacuum interrupter divide-shut brake. The invention has the advantages that the rotation of the energy storage shaft is changed into horizontal motion through the arrangement of the transmission device, so that the transmission plate can drive the joint to move linearly, the structure is simple, the transmission is reliable, the vacuum arc extinguish chamber can be reliably driven to move, and the interference is avoided.

Description

Operating mechanism and be equipped with this operating mechanism's cubical switchboard

Technical Field

The invention relates to a switch cabinet, in particular to an operating mechanism and a switch cabinet with the operating mechanism.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a vacuum arc-extinguishing chamber, an operating mechanism, various protection devices and the like. The vacuum arc-extinguishing chamber is named because the arc-extinguishing medium and the insulating medium in the contact gap after arc-extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The existing operating mechanism is complex in structure, when the energy storage shaft rotates, the linkage of the plurality of link mechanisms drives the closing pawl to be buckled on the closing half shaft, the transmission is unreliable, the product is kept unstable, the product is easy to move excessively, and the structure is complex and unreliable. The transmission device of the existing operating mechanism generally transmits energy through the rotation of a plurality of crank arms, the structure is complex, the vacuum arc extinguish chamber is driven to be switched on and switched off through the rotation mode of the transmission device, the power transmission is unreliable, the energy consumption is high, and the vacuum arc extinguish chamber is easy to interfere, so that the switching on and off is unreliable.

Disclosure of Invention

The invention provides an operating mechanism and a switch cabinet with the same, aiming at solving the problem that the existing operating mechanism in the background art is complex in transmission and unreliable in opening and closing actions of a vacuum arc extinguish chamber.

The technical scheme of the invention is as follows: the utility model provides an operating device, includes the curb plate, the curb plate on be equipped with the energy storage axle, the energy storage axle be connected with vacuum interrupter through transmission, transmission include driving plate and multiunit link assembly, each group link assembly all is connected with a looks vacuum interrupter through connecting, all is connected through the driving plate between the link assembly of difference, and the driving plate drives through link assembly and connects linear motion drive vacuum interrupter divide-shut brake.

As an improvement of the invention, at least one group of connecting rod assemblies is provided with a closing roller, the energy storage shaft is provided with a closing cam, and the closing cam is connected with the connecting rod assemblies through the closing roller and drives the connector to linearly reciprocate through the connecting rod assemblies to drive the vacuum arc extinguish chamber to be opened and closed.

As a further improvement of the invention, the transmission plate is provided with an arc-shaped through hole for the energy storage shaft to pass through, and the closing cam drives the transmission plate to move horizontally through the closing roller, and the motion track is limited by the energy storage shaft.

As a further improvement of the present invention, the connecting rod assembly includes a first connecting rod, a second connecting rod, a first connecting rod shaft, a second connecting rod shaft and a third connecting rod shaft, the first connecting rod is disposed on the first connecting rod shaft, the second connecting rod is disposed on the second connecting rod shaft, the first connecting rod and the second connecting rod are both connected to the third connecting rod shaft, the first connecting rod shaft is fixed to the side plate, the third connecting rod shaft is connected to the transmission plate, and the second connecting rod shaft is in sliding fit with the side plate.

As a further improvement of the invention, an energy storage spring and a brake separating spring are arranged on the side plate, one end of the energy storage spring is fixed on the side plate, the other end of the energy storage spring is connected with the energy storage shaft through an energy storage crank arm, one end of the brake separating spring is fixed on the side plate, and the other end of the brake separating spring is fixed on the transmission device.

As a further improvement of the invention, the side plate is provided with a power element and a closing half shaft, the power element is connected with the energy storage shaft through a clutch, and the clutch is provided with a first position which is driven by the power element to rotate and is limited by the closing half shaft and a second position which is driven by the energy storage shaft to rotate.

As a further improvement of the invention, the side plate is provided with a driven part and a driving disc, the driven part is connected with the power element and is driven by the power element to rotate, and the driven part drives the driving disc to rotate through the clutch piece.

The clutch piece as a further improvement of the invention comprises a clutch driving part, a mounting part convenient for mounting the clutch piece and a closing buckling part buckled with a closing half shaft, wherein the clutch driving part is matched with the inner wall of the driven piece.

The curb plate on be equipped with separating brake semi-axis and separating brake installation axle, transmission on be equipped with the separating brake driving piece, the separating brake installation epaxial be equipped with the separating brake subassembly, the separating brake subassembly have the installation time first state, by separating brake driving piece drive and separating brake semi-axis cooperate the second state of interlocking and the rotatory back unblock of separating brake semi-axis and be convenient for the third state of separating brake driving piece return, the separating brake subassembly be in the second state when with the spacing cooperation of separating brake driving piece.

The utility model provides a switch cabinet, includes foretell operating device, the joint include the fixed axle, the fixed axle on be equipped with the fixed orifices that is used for being connected with vacuum interrupter, the fixed axle locate transmission through sleeve subassembly on, fixed axle and the spacing cooperation of sleeve subassembly circumference direction of rotation.

The invention has the advantages that the rotation of the energy storage shaft is changed into horizontal motion through the arrangement of the transmission device, so that the transmission plate can drive the joint to move linearly, the structure is simple, the transmission is reliable, the vacuum arc extinguish chamber can be reliably driven to move, and the interference is avoided. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the connector 6 and the vacuum interrupter 5 according to the embodiment of the present invention.

Fig. 4 is a schematic diagram of the exploded structure of fig. 1.

Fig. 5 is a schematic diagram of the exploded structure of fig. 1.

Fig. 6 is a schematic structural view of the joint 6 in fig. 1.

Fig. 7 is a schematic diagram of the exploded structure of fig. 6.

Fig. 8 is a schematic diagram of the exploded structure of fig. 6.

Fig. 9 is a schematic view of the structure of fig. 4 at the energy storage shaft 3.

Fig. 10 is a schematic diagram of the exploded structure of fig. 9.

Fig. 11 is a schematic view of the clutch member 73 of fig. 10.

Fig. 12 is a schematic view of the structure inside the side plate 2 of fig. 2.

Fig. 13 is a schematic structural view of the brake separating assembly 84 of fig. 12.

Fig. 14 is a schematic structural diagram of the shunting buckle 841 in fig. 13.

Fig. 15 is a schematic structural view of the split-gate insert 842 of fig. 13.

FIG. 16 is a schematic structural diagram of an initial state of an embodiment of the present invention.

Fig. 17 is a schematic structural diagram of a state after energy is stored in the energy storage spring according to the embodiment of the invention.

Fig. 18 is a schematic structural diagram of a closing state according to an embodiment of the present invention.

Fig. 19 is a schematic structural diagram of secondary energy storage of an energy storage spring in a closing state according to the embodiment of the invention.

In the figure, 1, an operating mechanism; 2. a side plate; 21. an energy storage spring; 22. a brake separating spring; 23. a side plate notch; 3. an energy storage shaft; 31. a closing cam; 32. an energy storage crank arm; 4. a transmission device; 41. a drive plate; 411. an arc-shaped through hole; 42. a connecting rod assembly; 421. a first link; 422. a second link; 423. a first link shaft; 424. a second link shaft; 425. a third link shaft; 43. a closing roller; 5. a vacuum arc-extinguishing chamber; 6. a joint; 61. a fixed shaft; 611. a fixing hole; 612. an annular gap; 613. clamping the head; 614. a connecting portion; 62. a sleeve assembly; 621. a first sleeve; 6211. a first trepan boring; 622. a second sleeve; 6221. a second trepan boring; 6222. a bending part; 6223. a semicircular sleeve; 6224. a semicircular notch; 71. a power element; 72. a switching-on half shaft; 73. a clutch member; 731. a clutch driving part; 732. an installation part; 733. a closing buckling part; 7331. closing a switch to block the shoulder; 74. a driven member; 741. a driven shoulder; 75. a drive disc; 751. a drive notch; 752. an elastic member; 753. a drive mounting hole; 81. a brake-separating half shaft; 811. a half-shaft notch; 82. a brake separating installation shaft; 83. a brake-separating driving member; 831. a switching-off roller part; 84. a brake separating component; 841. separating brake buckle; 8411. a pinch plate notch; 8412. a pinch plate chute; 8413. a first arcuate portion; 842. a brake separating insert; 8421. a brake opening notch; 8422. a second arcuate portion; 8423. a third arc-shaped portion; 843. and a switching-off reset piece.

Detailed Description

The embodiments of the invention will be further described with reference to the accompanying drawings in which:

by figure 1 combine as shown in figures 2-19, a cubical switchboard, including operating device 1, operating device 1 include curb plate 2, curb plate 2 on be equipped with energy storage axle 3, energy storage axle 3 be connected with vacuum interrupter 5 through transmission 4, transmission 4 include driving plate 41 and multiunit link assembly 42, each group link assembly 42 all is connected with a looks vacuum interrupter 5 through connecting 6, all is connected through driving plate 41 between the different link assembly 42, and driving plate 41 drives the 5 divide-shut brake of the drive vacuum interrupter of 6 linear motion drive through link assembly 42. The invention has the advantages that the rotation of the energy storage shaft is changed into horizontal motion through the arrangement of the transmission device, so that the transmission plate can drive the joint to move linearly, the structure is simple, the transmission is reliable, the vacuum arc extinguish chamber can be reliably driven to move, and the interference is avoided. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like. The joint 6 comprises a fixed shaft 61, a fixed hole 611 used for being connected with the vacuum arc-extinguishing chamber 5 is formed in the fixed shaft 61, the fixed shaft 61 is arranged on the transmission device 4 through a sleeve component 62, and the fixed shaft 61 and the sleeve component 62 are in circumferential rotation and axial limiting fit. The invention has the advantages that the connector is arranged and is an adjustment-free connector, the connector can be connected with the vacuum arc-extinguishing chamber firstly, during batch assembly, only the positions of the front few connectors need to be adjusted to determine the distance between the connector and the vacuum arc-extinguishing chamber, and the subsequent equipment only needs to be provided with the operating mechanism according to the distance, so that during batch assembly, the operating mechanism and the vacuum arc-extinguishing chamber are matched conveniently and reliably, and the adjustment is convenient or even unnecessary. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like. For example, 100 devices need to be adjusted, and only the front devices need to be installed and debugged, so that the distance between the connector and the vacuum arc-extinguishing chamber can be known. The rear machine only needs to connect the connector with the vacuum arc extinguish chamber according to the distance and ensure the distance, so that the installation and positioning of the operating mechanism can be realized by inserting the pin shaft on the operating mechanism into the first sleeve hole and the second sleeve hole of the connector, the debugging is avoided, the product installation condition is troublesome, the fixed shaft can rotate and finely adjust relative to the sleeve component after the installation, and the reliability of the product is further ensured. For further description with reference to fig. 16-19, fig. 16 is an initial state, and at this time, the vacuum interrupter is also in an open state and the closing spring (energy storage spring) is not in an energy storage state in the switch cabinet; FIG. 17 shows the state after the energy storage spring stores energy, at this time, the vacuum interrupter is in the open state; after a closing button is pressed (rotated), a closing half shaft rotates, the energy storage spring releases energy to drive the energy storage shaft to rotate at the moment, a closing cam (driving cam) rotates to push a closing roller to move, a connecting rod assembly drives a joint to act on a vacuum arc extinguish chamber to be in a closing state and simultaneously drives a breaking spring to store energy, the state shown in the attached drawing 18 is the moment, the vacuum arc extinguish chamber is in a closing state, the breaking spring stores energy, and the closing spring (energy storage spring) is not in an energy storage state; fig. 19 shows that when the vacuum interrupter is in a closed state, the power element continues to drive the energy storage spring to store energy for the second time, and at this time, the vacuum interrupter is in a closed state, and both the energy storage spring and the opening spring are in an energy storage state.

According to the invention, at least one group of connecting rod assemblies 42 is provided with a closing roller 43, the energy storage shaft 3 is provided with a closing cam 31, the closing cam 31 is connected with the connecting rod assemblies 42 through the closing roller 43 and drives the joint 6 to linearly reciprocate through the connecting rod assemblies 42 to drive the vacuum arc-extinguishing chamber 5 to be opened and closed. Specifically, the closing rollers are arranged on the third connecting rod shafts, and more specifically, as long as the closing rollers are arranged on one group of connecting rod assemblies, the closing rollers are driven to act when the closing cam acts, the closing rollers drive the third connecting rod shafts to act, the third connecting rod shafts on the group are connected with the transmission plate and drive the transmission plate to act, and the transmission plate drives the third connecting rod shafts on other groups of connecting rod assemblies to act, so that the second connecting rod shafts and joints on different connecting rod assemblies can act synchronously, and synchronous closing and opening actions of the three-phase vacuum arc-extinguishing chamber are realized. The structure enables the product to have better synchronization performance and can drive the vacuum arc extinguish chamber to be switched on and off more reliably. More specifically, the different vacuum interrupters can also be actuated by means of a joint (plate-like). More specifically, the connector can make the connecting rod on the vacuum arc-extinguishing chamber reciprocate linearly, so that the switching-on and switching-off of the vacuum arc-extinguishing chamber is more reliable.

The transmission plate 41 is provided with an arc-shaped through hole 411 for the energy storage shaft 3 to pass through, and the closing cam 31 drives the transmission plate 41 to move horizontally through the closing roller 43, and the motion track is limited by the energy storage shaft 3. The movement track of the transmission plate is limited by the energy storage shaft, so that the transmission plate moves stably and reliably, the transmission plate approximately moves horizontally and linearly, the movement track is slightly in a certain arc shape, and the opening driving piece can move and is limited reliably.

The connecting rod assembly 42 comprises a first connecting rod 421, a second connecting rod 422, a first connecting rod shaft 423, a second connecting rod shaft 424 and a third connecting rod shaft 425, the first connecting rod 421 is arranged on the first connecting rod shaft 423, the second connecting rod 422 is arranged on the second connecting rod shaft 424, the first connecting rod 421 and the second connecting rod 422 are both connected with the third connecting rod shaft 425, the first connecting rod shaft 423 is fixed on the side plate 2, the third connecting rod shaft 425 is connected with the transmission plate 41, and the second connecting rod shaft 424 is in sliding fit with the side plate 2. The structure enables the product to move stably and reliably, the transmission is convenient, and the product is converted into the linear motion of the joint from the rotation of the energy storage shaft. More specifically, the curb plate on be equipped with curb plate breach 23, the second connecting rod axle locate and make second connecting rod axle linear motion in the curb plate breach, can realize directly pushing away vacuum interrupter's connecting rod like this to it is more reliable to make vacuum interrupter divide-shut brake.

The energy storage device is characterized in that an energy storage spring 21 and a brake separating spring 22 are arranged on the side plate 2, one end of the energy storage spring 21 is fixed on the side plate 2, the other end of the energy storage spring is connected with the energy storage shaft 3 through an energy storage crank arm 32, one end of the brake separating spring 22 is fixed on the side plate 2, and the other end of the brake separating spring is fixed on the transmission device 4. Such a structure makes the product reliable in operation.

The side plate 2 is provided with a power element 71 and a closing half shaft 72, the power element 71 is connected with the energy storage shaft 3 through a clutch 73, and the clutch 73 has a first position which is driven by the power element 71 to rotate and is limited by the closing half shaft 72 and a second position which is driven by the energy storage shaft 3 to rotate. Specifically, the side plate 2 is provided with a driven member 74 and a driving plate 75, the driven member 74 is connected with the power element 71 and is driven by the power element 71 to rotate, and the driven member 74 drives the driving plate 75 to rotate through the clutch member 73. The clutch has the advantages that the clutch can reliably drive the driving disc to act and can realize the function of keeping through the arrangement of the driving disc and the clutch, so that the parts and the transmission structure of the operating mechanism are greatly simplified, and the product is reliably buckled. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like. Specifically, the clutch piece can drive the clutch piece and the driving disc to rotate when the driven piece rotates forwards (the forward rotation and the reverse rotation are only for convenience of description and are not used for limiting the patent, and only the forward rotation drives the clutch piece and the driving disc to rotate). The clutch has a first state which enables the driven member and the driving plate to synchronously rotate and a second state which enables the driven member and the driving plate to respectively and independently move after the clutch is disengaged. Meanwhile, the driving disk cannot drive the driven part to rotate when rotating. Specifically, the power element can be a motor, an air cylinder, a hydraulic cylinder and other power elements, the power element can drive the driven part to rotate through gear transmission, chain transmission, belt transmission and other modes, and the invention adopts gear transmission. The structure ensures that the driven part can reliably drive the clutch part driving disc to rotate, so that the product is reliably driven, the structure is simple, and the product can store energy conveniently and reliably. More specifically, the driven piece, the driving disc, the clutch piece and the like are arranged on the outer side of the side plate, so that the installation of the mechanism in the side plate is not influenced, the transmission of the mechanism in the side plate is simplified, the number of parts of a product is small, the processing and assembly are convenient, and the production cost is low. More specifically, the driven member, the driving plate and the clutch member act on the same horizontal plane, and the product acts reliably. More specifically, the closing half shaft extends out of the side plate and limits the clutch piece. The clutch part is limited, the energy storage spring can be reliably kept, and the over-movement is avoided.

The clutch member 73 includes a clutch driving portion 731, a mounting portion 732 for facilitating mounting of the clutch member 73, and a closing engaging portion 733 for engaging with the closing half shaft 72, wherein the clutch driving portion 731 is adapted to an inner wall of the driven member 74. The structure is convenient for assembling the clutch piece, and the clutch piece has reliable action and convenient transmission.

The driving plate 75 is provided with a driving notch 751, the clutch piece 73 is arranged in the driving notch, and the clutch driving part 731 has a first state of abutting against the inner wall of the driven piece when the driven piece 74 rotates to drive the driving plate to rotate and a second state of being driven by the driving plate to rotate when the driven piece is switched on. Specifically, a driven catch shoulder 741 for pushing the clutch driving portion is arranged on the inner wall of the driven member. The structure ensures that the driven part can reliably drive the driving disc to rotate when rotating, and the driven part can not be driven to rotate when the driven part rotates reversely or the driving disc can not be driven to rotate when the driving disc rotates.

The clutch 73 is hinged to the drive disc through the mounting portion 732, the drive disc is provided with an elastic member 752, one end of the elastic member abuts against the drive disc, the other end of the elastic member abuts against the clutch, and the elastic member has a movement tendency of driving the clutch away from the drive disc. Specifically, a driving mounting hole 753 is formed in the driving disc, and the elastic piece is arranged in the driving mounting hole and abuts against the clutch piece. The elastic piece enables the clutch piece to reliably abut against the driven piece, and the driven piece is convenient to rotate forwards to drive reverse separation without being influenced.

The closing fastening part 733 protrudes out of the driven part 74, and a closing blocking shoulder 7331 for being clamped with the closing half shaft 72 is arranged on the closing fastening part. The structure ensures that the driving and the maintaining of the energy storage operating mechanism are arranged outside the side plate, thereby being convenient for the installation of other components on the operating mechanism, and the product has simple structure, convenient assembly and convenient maintenance.

The driven part is sleeved outside the driving disc, the driving disc is arranged on the energy storage shaft and is in linkage connection with the energy storage shaft, and the energy storage shaft is provided with an energy storage crank arm connected with an energy storage spring. Specifically, the energy storage shaft is provided with a closing cam 31, and the closing cam is connected with the vacuum arc-extinguishing chamber through a transmission device and drives the vacuum arc-extinguishing chamber to close and open. The structure enables the product to reliably store energy for the energy storage spring through the energy storage shaft, and the energy storage is convenient and reliable.

Curb plate 2 on be equipped with separating brake semi-axis 81 and separating brake installation axle 82, transmission 4 on be equipped with separating brake driving piece 83, separating brake installation axle 82 on be equipped with separating brake subassembly 84, separating brake subassembly 84 when having the installation first state, by separating brake driving piece 83 drive with separating brake semi-axis 81 cooperate the second state of interlocking and the third state of separating brake semi-axis 81 rotatory back unblock be convenient for separating brake driving piece 83 return, separating brake subassembly 84 when being in the second state with separating brake driving piece 83 spacing cooperation. The invention has the advantages that the opening component is directly driven to act by the opening driving piece, so that the opening component acts reliably, is convenient to be buckled with the opening half shaft, can reversely interlock the opening driving piece, and has higher safety performance. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

The opening assembly 84 comprises an opening buckle 841, an opening insert 842 and an opening reset part 843, and the opening reset part 843 has a movement trend of driving the opening assembly 84 to tend to a first state. The structure realizes the compound action and the reset of the opening insert and the opening buckle plate through one torsional spring, and has simple structure and convenient assembly.

The opening insert 842 has a first position during installation and a second position which is offset and limited by the opening driving element 83 during closing, and the opening driving element 83 is offset with the opening insert 842. The structure enables the opening insert block to limit the opening driving piece, so that the transmission mechanism is limited, and the spring can reliably store energy.

The opening buckle 841 is provided with a buckle notch 8411, the opening insert 842 is arranged in the buckle notch 8411, the opening reset part 843 is inserted into the opening insert 842 and the opening buckle 841 and is connected with the opening insert 842 and the opening buckle 841 respectively. The structure realizes the compound action and the reset of the opening insert and the opening buckle plate through one torsional spring, and has simple structure and convenient assembly.

The opening insert 842 is hinged on the opening buckle 841 and can rotate relative to the opening buckle 841. Specifically, when a closing button or rotates, the transmission mechanism acts to drive the opening driving piece to act, the opening driving piece firstly presses the opening insert and presses the opening insert back into the opening notch of the opening buckle, and then the opening insert returns to position under the action of the opening resetting piece to limit the opening driving piece after pressing the opening buckle.

The brake separating buckle 841 is provided with a buckle chute 8412, the brake separating reset part 843 penetrates through the brake separating insert 842 to be inserted into the buckle chute 8412, and the brake separating insert 842 is driven to rotate by a brake separating driving part and a brake separating reset part 843. Specifically, the opening insert 842 is provided with an opening notch 8421, the opening reset piece 843 penetrates through the opening insert 842 from the opening notch 8421, and the opening notch 8421 is in a U shape. Specifically, the opening insert 842 extends out of the opening buckle 841 when the opening assembly 84 is in the first state, and the opening insert 842 is pressed by the opening driving member in the closing process and is limited by the opening driving member 83 after closing is completed. The structure enables the action of the brake separating insert block to be stable and reliable, and meanwhile, the action of the brake separating buckle plate can be prioritized, and the brake separating driving piece can be limited after moving in place. Simple structure and reliable action.

The opening buckle 841 is provided with a first arc-shaped part 8413, and the opening insert 842 is provided with a second arc-shaped part 8422 convenient for the opening driving piece 83 to press and a third arc-shaped part 8423 for limiting the opening driving piece. The arc-shaped part enables the action of the opening driving piece to be more stable and reliable when the opening driving piece is pressed, and the driving of the driving piece is convenient.

The separating brake semi-axis 81 on be equipped with the semi-axis breach 811 that the separating brake buckle 841 of being convenient for passed, the separating brake driving piece on be equipped with the separating brake roller 831 of being convenient for to press, the separating brake piece that resets 843 be the torsional spring. When the separating brake semi-axis moves, the separating brake buckle plate can be unlocked, the separating brake buckle plate is pressed into the semi-axis gap under the driving of the separating brake driving piece, and after the separating brake driving piece is driven by the driving piece to reset, the separating brake buckle plate is driven by the separating brake resetting piece to reset.

The sleeve assembly 62 includes a first sleeve 621 and a second sleeve 622, and the first sleeve is sleeved outside the second sleeve. Specifically, the sleeve assembly is fixed on the connecting rod assembly through a pin shaft. The structure is convenient for the installation of the adjustment-free joint, so that the product is convenient to assemble.

The first sleeve is provided with a first sleeve hole 6211, the second sleeve 622 is provided with a second sleeve hole 6221, and the first sleeve hole and the second sleeve hole are coaxially arranged. The structure ensures that the product is convenient to mount and reliable in action.

The second sleeve 622 on be equipped with the portion of bending 6222, the fixed axle on be equipped with annular breach 612, the portion of bending on the second sleeve 622 card is gone into in the annular breach of fixed axle and is made fixed axle and the spacing cooperation of second sleeve circumference rotation axial. Such a configuration allows the fixed shaft to rotate relative to the second sleeve for positioning and fine adjustment during assembly.

The fixed axle include joint head 613 and connecting portion 614, the joint head laminate mutually with the telescopic bending of second, connecting portion be connected with vacuum interrupter, annular breach locate between joint head and the connecting portion. Specifically, the outer surface of the connecting portion is positively deformable. The structure is convenient for the fixed shaft to be connected with the vacuum arc-extinguishing chamber and the fixed shaft to be matched with the second sleeve.

The second sleeve is composed of two semicircular sleeves 6223, and the two semicircular sleeves are provided with semicircular notches 6224 for the pin shaft to pass through. Specifically, the semicircular notches in the two semicircular sleeves are matched with each other to form the second sleeve hole. The structure is convenient for the second sleeve to be matched with the fixed shaft, the structure is simple, and the action is reliable.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.

Claims

1. The operating mechanism comprises a side plate (2) and is characterized in that an energy storage shaft (3) is arranged on the side plate (2), the energy storage shaft (3) is connected with a vacuum arc extinguish chamber (5) through a transmission device (4), the transmission device (4) comprises a transmission plate (41) and a plurality of groups of connecting rod assemblies (42), each group of connecting rod assemblies (42) is connected with one phase of vacuum arc extinguish chamber (5) through a connector (6), different connecting rod assemblies (42) are connected through the transmission plate (41), and the transmission plate (41) drives the connectors (6) to move linearly to drive the vacuum arc extinguish chambers (5) to be switched on and off through the connecting rod assemblies (42).

2. The operating mechanism according to claim 1, characterized in that a closing roller (43) is arranged on at least one group of connecting rod assemblies (42), a closing cam (31) is arranged on the energy storage shaft (3), and the closing cam (31) is connected with the connecting rod assemblies (42) through the closing roller (43) and drives the connector (6) to reciprocate linearly through the connecting rod assemblies (42) to drive the vacuum arc-extinguishing chamber (5) to open and close.

3. The operating mechanism according to claim 2, wherein the transmission plate (41) is provided with an arc-shaped through hole (411) for the energy storage shaft (3) to pass through, the closing cam (31) drives the transmission plate (41) to move horizontally through the closing roller (43), and the motion track is limited by the energy storage shaft (3).

4. The operating mechanism according to claim 2, wherein the connecting rod assembly (42) comprises a first connecting rod (421), a second connecting rod (422), a first connecting rod shaft (423), a second connecting rod shaft (424) and a third connecting rod shaft (425), the first connecting rod (421) is disposed on the first connecting rod shaft (423), the second connecting rod (422) is disposed on the second connecting rod shaft (424), the first connecting rod (421) and the second connecting rod (422) are both connected with the third connecting rod shaft (425), the first connecting rod shaft (423) is fixed on the side plate (2), the third connecting rod shaft (425) is connected with the driving plate (41), and the second connecting rod shaft (424) is slidably engaged with the side plate (2).

5. The operating mechanism according to claim 1, characterized in that the side plate (2) is provided with an energy storage spring (21) and a brake separating spring (22), one end of the energy storage spring (21) is fixed on the side plate (2), the other end of the energy storage spring is connected with the energy storage shaft (3) through an energy storage crank arm (32), one end of the brake separating spring (22) is fixed on the side plate (2), and the other end of the brake separating spring is fixed on the transmission device (4).

6. The operating mechanism according to claim 1, characterized in that the side plate (2) is provided with a power element (71) and a closing half shaft (72), the power element (71) is connected with the energy storage shaft (3) through a clutch member (73), and the clutch member (73) has a first position in which the power element (71) rotates and is limited by the closing half shaft (72) and a second position in which the energy storage shaft (3) rotates.

7. The operating mechanism according to claim 6, wherein the side plate (2) is provided with a driven member (74) and a driving plate (75), the driven member (74) is connected with the power element (71) and driven by the power element (71) to rotate, and the driven member (74) drives the driving plate (75) to rotate through the clutch member (73).

8. The operating mechanism according to claim 7, wherein the clutch member (73) includes a clutch driving portion (731), a mounting portion (732) for facilitating mounting of the clutch member (73), and a closing engaging portion (733) for engaging with the closing half shaft (72), and the clutch driving portion (731) is adapted to an inner wall of the driven member (74).

9. The operating mechanism according to claim 1, wherein the side plate (2) is provided with a brake separating half shaft (81) and a brake separating installation shaft (82), the transmission device (4) is provided with a brake separating driving member (83), the brake separating installation shaft (82) is provided with a brake separating assembly (84), the brake separating assembly (84) has a first state when being installed, a second state in which the brake separating driving member (83) is driven to be matched and interlocked with the brake separating half shaft (81), and a third state in which the brake separating half shaft (81) is unlocked after being rotated so as to facilitate the return of the brake separating driving member (83), and the brake separating assembly (84) is in limit fit with the brake separating driving member (83) when being in the second state.

10. A kind of switch cabinet, its characterized in that: the operating mechanism comprises an operating mechanism according to any one of claims 1 to 9, wherein the joint (6) comprises a fixed shaft (61), a fixed hole (611) for connecting with the vacuum arc-extinguishing chamber (5) is formed in the fixed shaft (61), the fixed shaft (61) is arranged on the transmission device (4) through a sleeve component (62), and the fixed shaft (61) and the sleeve component (62) are in circumferential rotation and axial limiting fit.