Folding type high-voltage centrally installed switchgear static contact baffle opening device
By designing a foldable high-voltage switchgear stationary contact baffle opening device, the stationary contact baffle is automatically opened using a frame, displacement mechanism, and pushing mechanism. This solves the safety hazards caused by manual operation in the existing technology and improves operational safety and space utilization.
Patent Information
- Application Number
- CN202423258652.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the existing technology, there are safety hazards when operators manually open the stationary contact baffle, as the operating space is limited and it is easy to come into contact with live parts.
A foldable high-voltage switchgear stationary contact baffle opening device is designed. It adopts a frame, a displacement mechanism and a push mechanism. The linear displacement component is driven by a drive device to drive the push rod and the baffle, which automatically opens the stationary contact baffle, replacing manual operation.
It reduces the chance of electric shock to operators, improves operational safety, expands the operating space, and reduces safety hazards associated with manual operation.
Smart Images

Figure CN223693494U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of power equipment especially relates to a folding high -voltage centrally installed cubicle static contact baffle opening device. BACKGROUND
[0002] The centrally installed cubicle is full name metal clad centrally installed movable switchgear and belongs to high -voltage distribution device.
[0003] In daily work, often need to carry out electricity checking grounding operation or check phase operation at the upper blade head and lower blade head (static contact) of centrally installed cubicle, and operating personnel put on insulating gloves and stretch into centrally installed cubicle, manually push the baffle operating mechanism of the upper blade head and lower blade head of centrally installed cubicle, make static contact baffle open and expose high -voltage live static contact. SUMMARY
[0004] The utility model relates to the field of power equipment especially relates to a folding high -voltage centrally installed cubicle static contact baffle opening device.
[0005] To solve the above technical problem, the utility model discloses a folding high -voltage centrally installed cubicle static contact baffle opening device, including frame, two groups of displacement mechanism and two groups of push mechanism, two groups of push mechanism and two groups of displacement mechanism one to one, every push mechanism is set up on the displacement mechanism corresponding with it;
[0006] The displacement mechanism includes a shell, a drive device and a linear displacement assembly, the shell is connected with the frame, the linear displacement assembly is arranged on the shell, and the drive device is used for driving the linear displacement assembly to displace along the length direction of the shell.
[0007] The push mechanism includes a base, a baffle and a push rod, the base is connected with the linear displacement assembly, so that the base moves with the linear displacement assembly, one end of the push rod is connected with the base, the other end of the push rod is connected with the baffle, and the baffle is used for abutting with the insulating baffle on the power equipment.
[0008] Optionally, the linear displacement assembly includes a sliding rail, a sliding block, a lead screw and a nut, the sliding rail is arranged on the shell, the sliding block is slidably connected with the sliding rail, the lead screw is rotatably connected with the shell, the nut is threadedly connected with the lead screw, the nut is fixedly connected with the sliding block, the axial direction of the lead screw is same with the sliding direction of the sliding block, and the base is fixed on the nut.
[0009] The drive device is a motor, and the output shaft of the motor is fixedly connected with the lead screw.
[0010] Optionally, the displacement mechanism further comprises a limiting member, one end of the limiting member is rotatably connected to one of the housing and the rack, and the other end of the limiting member is detachably connected to the other one of the housing and the rack.
[0011] The length direction of the housing is parallel to the axial direction of the screw rod, the rack is in a strip shape, and one end of the length direction of the housing is rotatably connected to the rack.
[0012] The displacement mechanism has a working position and a storage position, when the displacement mechanism is in the working position, the length direction of the housing is perpendicular to the length direction of the rack.
[0013] When the displacement mechanism is switched from the working position to the storage position, one end of the housing away from the rack rotates around the other end of the housing, so that the one end of the housing away from the rack gradually approaches the rack, until the length direction of the housing is parallel to the length direction of the rack.
[0014] Optionally, the bottom of the housing is provided with a plurality of wheels.
[0015] Optionally, the base comprises a base, a fastening bolt and a fastening nut, the base is provided with a sliding arc groove, and one end of the push rod is rotatably connected to the base; the center of the sliding arc groove coincides with the rotation center of the push rod around the base, the fastening bolt is sequentially arranged through the sliding arc groove and the push rod, and the fastening nut is threadedly connected with the fastening bolt, so that the fastening nut and the fastening bolt can clamp the push rod and the base.
[0016] Optionally, a plurality of angle scale lines are arranged on the base and are arranged at intervals around the center of the sliding arc groove.
[0017] Optionally, a battery is further arranged, the battery is fixed on the rack, and the battery is electrically connected with the driving device.
[0018] Optionally, a limiting plate is arranged on the rack, one end of the limiting plate is fixed on the rack, the other end of the limiting plate extends along a direction perpendicular to the length direction of the rack, and the end of the limiting plate away from the rack abuts against the housing of the displacement mechanism in the storage position.
[0019] Optionally, the two groups of displacement mechanisms are symmetrical about the limiting plate.
[0020] Optionally, the two sides of the limiting plate along the length direction of the rack are respectively provided with accommodating grooves, and the accommodating grooves are used for embedding the housing of the displacement mechanism adjacent thereto.
[0021] The utility model discloses an opening device of folding high -voltage centrally installed cubicle static contact baffle, and the drive device is started, so that drive device drives linear displacement assembly and drives push rod to advance, until push rod enters centrally installed cubicle, and the baffle on the other end of centrally installed cubicle gradually approaches static contact on centrally installed cubicle, along with linear displacement assembly moving forward, and push rod and baffle gradually go into centrally installed cubicle, until baffle pushes insulating baffle switch and is in open state, then drive device is started, so that drive device can drive linear displacement assembly reverse movement ( retreat ), so that push rod and baffle gradually retreat from centrally installed cubicle. Replace the insulating baffle of static contact opened by artificial through this mode, thereby reduce the probability of personnel electric shock. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the utility model embodiment of the description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0023] Figure 1 It is the main view of displacement mechanism and rack of the opening device of folding high -voltage centrally installed cubicle static contact baffle in an embodiment of the utility model;
[0024] Figure 2 It is the top view of displacement mechanism and rack of the opening device of folding high -voltage centrally installed cubicle static contact baffle in an embodiment of the utility model;
[0025] Figure 3 It is the perspective view of displacement mechanism and rack of the opening device of folding high -voltage centrally installed cubicle static contact baffle in an embodiment of the utility model;
[0026] Figure 4 It is the side view of the opening device of folding high -voltage centrally installed cubicle static contact baffle in an embodiment of the utility model.
[0027] BRIEF DESCRIPTION OF DRAWINGS: 1, rack;2, displacement mechanism;21, housing;22, drive device;23, linear displacement mechanism;231, slide rail;232, sliding block;233, screw;234, nut;3, push mechanism;31, base;311, sliding arc groove;312, fastening bolt;313, angle scale;32, push rod;33, baffle;4, wheel;5, limiting piece;6, battery;7, limiting plate;71, containing groove. DETAILED DESCRIPTION
[0028] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.
[0029] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only used for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.
[0030] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] Referring to Figures 1 to 4 , the utility model provides a folding high-voltage middle cabinet static contact baffle opening device, including rack 1, two groups of displacement mechanism 2 and two groups of push mechanism 3. Two groups of the push mechanism 3 and two groups of the displacement mechanism 2 are one-to-one corresponding, and each push mechanism 3 is arranged on the displacement mechanism 2 corresponding thereto. The switch mechanism in the middle cabinet is on both sides of the cabinet, and needs to be pushed simultaneously to open. The embodiment drives the push mechanism 3 on the two groups of displacement mechanism 2 to open simultaneously.
[0032] Referring to Figure 2 , Figure 3 and Figure 4The displacement mechanism 2 comprises a housing 21, a driving device 22 and a linear displacement assembly, the housing 21 is connected with the rack 1, the linear displacement assembly is arranged on the housing 21, and the driving device 22 is used for driving the linear displacement assembly to displace along the length direction of the housing. The pushing mechanism 3 comprises a base 31, a blocking piece 33 and a push rod 32, the base 31 is connected with the linear displacement assembly so as to move with the linear displacement assembly, one end of the push rod 32 is connected with the base 31, the other end of the push rod 32 is connected with the blocking piece 33, and the blocking piece 33 is used for abutting against the insulation blocking plate on the power equipment. The push rod 32 in the embodiment is made of high-strength insulation material.
[0033] In the embodiment, a forward button and a backward button are arranged on the rack, the driving device is controlled to drive the displacement mechanism to move forward through the forward button, and the driving device is controlled to drive the displacement mechanism to move backward through the backward button.
[0034] The working process of the folding high-voltage middle cabinet static contact blocking plate opening device is as follows: the driving device 22 is started, the driving device 22 drives the linear displacement assembly to drive the push rod 32 to move forward, until the push rod 32 enters the middle cabinet, the blocking piece 33 on the other end of the middle cabinet gradually approaches the static contact on the middle cabinet, with the forward movement of the linear displacement assembly, the push rod 32 and the blocking piece 33 gradually enter the middle cabinet, until the blocking piece 33 pushes the insulation blocking plate switch to the open state, then the driving device 22 is started, the driving device 22 drives the linear displacement assembly to move reversely (backward), so that the push rod 32 and the blocking piece 33 gradually retreat from the middle cabinet. In this way, the manual opening of the static contact insulation blocking plate is replaced.
[0035] With reference to Figure 2 and Figure 3 As an example, the linear displacement assembly comprises a sliding rail 231, a sliding block 232, a screw rod 233 and a nut 234, the sliding rail 231 is arranged on the housing 21, the sliding block 232 and the sliding rail 231 are in sliding connection, the screw rod 233 is rotationally connected with the housing 21, the nut 234 is threadedly connected with the screw rod 233, the nut 234 and the sliding block 232 are fixedly connected, the axial direction of the screw rod 233 is the same as the sliding direction of the sliding block 232, and the base 31 is fixed on the nut 234. The driving device 22 is a motor, and the output shaft of the motor is fixedly connected with the screw rod 233.
[0036] In the embodiment, the screw rod 233 and the nut 234 are used to move forward and backward, the movement track of the nut 234 is limited by the sliding block 232 and the sliding rail 231, and the sliding rail 231 and the sliding block 232 hold the nut 234, so that the nut 234 and the push rod 32 thereon are more stable, the radial stress received by the screw rod is reduced, and the deformation of the screw rod towards the shell 21 is reduced.
[0037] As an example, the folding high-voltage middle cabinet static contact baffle opening device further comprises a limiting piece 5, one end of the limiting piece 5 is rotationally connected to one of the shell 21 and the rack 1, and the other end of the limiting piece 5 is detachably connected to the other one of the shell 21 and the rack 1. In the embodiment, one end of the limiting piece 5 is rotationally connected to the shell 21, and the other end of the limiting piece 5 is pinned to the rack 1.
[0038] The length direction of the shell 21 is parallel to the axial direction of the screw rod 233, the rack 1 is in a strip shape, one end of the length direction of the shell 21 is rotationally connected to the rack 1, and the shell 21 and the rack 1 are connected through a hinge. The displacement mechanism 2 has a working position and a storage position, when the displacement mechanism 2 is in the working position, the length direction of the shell 21 is perpendicular to the length direction of the rack 1.
[0039] When the displacement mechanism 2 is switched from the working position to the storage position, one end of the shell 21 away from the rack 1 rotates around the other end of the shell 21, so that the one end of the shell 21 away from the rack 1 gradually approaches the rack 1, until the length direction of the shell 21 is parallel to the length direction of the rack 1.
[0040] In the embodiment, when the push rod 32 needs to be deeply inserted into the shell 21, the shell 21 is rotated to be perpendicular to the rack 1, and the shell 21 and the rack 1 are connected through the limiting piece 5, so that the position of the shell 21 relative to the rack 1 is relatively unchanged, and the push rod 32 can move forward to enter or exit the middle cabinet. After the operation is completed, the connection relationship between the shell 21 and the limiting piece 5 is contacted, at this time, the position of the shell 21 relative to the rack 1 can be changed, the shell 21 is rotated until the shell 21 is parallel to the rack 1, at this time, the volume of the whole device is reduced, which is conducive to storage.
[0041] Referring to Figure 3 As an example, a plurality of wheels 4 are arranged on the shell 21. The wheels 4 are used for overall walking, when the whole is placed in the middle cabinet, the wheels 4 are pushed to drive the two groups of displacement mechanisms 2 and the rack 1 to move forward or backward, until the whole moves to a suitable position, and the wheels 4 do not need to be pushed thereafter.
[0042] Referring to Figure 4As an example, the base 31 comprises a base, a fastening bolt 312 and a fastening nut, the base is provided with a sliding arc groove 311, one end of the push rod 32 is rotationally connected with the base; the center of the sliding arc groove 311 coincides with the rotation center of the push rod 32 around the base, the fastening bolt 312 is sequentially arranged in the sliding arc groove 311 and the push rod 32, and the fastening nut is threadedly connected with the fastening bolt 312, so that the fastening nut and the fastening bolt 312 can clamp the push rod 32 and the base 31.
[0043] In the embodiment, the threaded end of the fastening bolt 312 is sequentially arranged in the sliding arc groove 311 and the push rod 32, when the push rod 32 rotates around one end close to the base, the fastening bolt 312 slides in the sliding arc groove 311, when the push rod 32 slides to a suitable position, the fastening nut is tightened, and the fastening nut and the fastening bolt 312 clamp the push rod 32 and the base together, so that the push rod 32 cannot rotate, thereby playing a role of fixing the position.
[0044] As an example, the base is provided with a plurality of angle scale lines 313, and the plurality of angle scale lines 313 are arranged at intervals around the center of the sliding arc groove 311. In the embodiment, each angle scale line 313 represents an angle with the horizontal plane, when the push rod 32 is parallel to one of the angle lines, the angle of the push rod 32 relative to the horizontal plane can be inferred. In the embodiment, the horizontal plane is a plane on which the folding high-voltage cubicle static contact shield opening device can be placed.
[0045] Referring to Figure 2 As an example, the folding high-voltage cubicle static contact shield opening device further comprises a battery 6, the battery 6 is fixed on the rack 1, and the battery 6 is electrically connected with the driving device 22. The battery 6 is used to supply power to the motor driving the lead screw 233.
[0046] Referring to Figure 2 and Figure 3 As an example, the rack 1 is provided with a limiting plate 7, one end of the limiting plate 7 is fixed on the rack 1, the other end of the limiting plate 7 extends along a direction perpendicular to the length direction of the rack 1, and the extending length of the end of the limiting plate 7 away from the rack 1 is equal to the interval between the shell 21 and the rack 1 when the shell 21 is in the storage position, so that the end of the limiting plate 7 away from the rack 1 abuts against the shell 21 when the shell 21 is in the storage position; the two displacement mechanisms 2 are symmetrical about the limiting plate 7.
[0047] The two displacement mechanisms 2 are limited by the limiting plate 7 in this embodiment, when the displacement mechanism 2 is in the storage state, the limiting plate 7 can keep the parallel state of the shell 21 and the rack 1, block the shell 21 from continuing to rotate close to the rack 1, and reduce the scratching phenomenon of the shell 21 and the rack 1.
[0048] The two sides of the limiting plate 7 along the length direction of the rack 1 are respectively provided with accommodating grooves 71 for embedding the shell 21 of the displacement mechanism 2 adjacent thereto. After the opening operation is completed, the two displacement assemblies are rotated until the shells 21 of the two displacement assemblies are parallel to the rack 1, at this time, a part of the shell 21 of each displacement assembly is clamped into the accommodating groove 71.
[0049] The folding high-voltage middle cabinet static contact baffle opening device further comprises a storage box, when the displacement mechanism 2 is rotated to the storage state, at this time, the push rod 32 is also close to the shell 21 of the displacement mechanism 2 as much as possible, so as to reduce the volume of the folding high-voltage middle cabinet static contact baffle opening device, then the folding high-voltage middle cabinet static contact baffle opening device is placed in the storage box, when used next time, the storage box is opened, the folding high-voltage middle cabinet static contact baffle opening device is taken out from the storage box, and the displacement mechanism 2 is rotated to the working state, and the angle of the push rod 32 is adjusted.
[0050] The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, but not limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.
Claims
1. A folding high-voltage center cabinet static contact baffle opening device, characterized in that, The rack, two sets of displacement mechanisms and two sets of pushing mechanisms are included, and the two sets of pushing mechanisms and the two sets of displacement mechanisms are one-to-one corresponding, each pushing mechanism is arranged on the corresponding displacement mechanism; The displacement mechanism includes a shell, a driving device and a linear displacement assembly, the shell is connected with the rack, the linear displacement assembly is arranged on the shell, and the driving device is used to drive the linear displacement assembly to displace along the length direction of the shell; The pushing mechanism includes a base, a baffle and a push rod, the base is connected with the linear displacement assembly, so that the base moves with the linear displacement assembly, one end of the push rod is connected with the base, the other end of the push rod is connected with the baffle, and the baffle is used to abut against the insulation baffle on the power equipment.
2. The folding high-voltage center-type cabinet static contact shield opening device according to claim 1, characterized in that, The linear displacement assembly includes a sliding rail, a sliding block, a screw rod and a nut, the sliding rail is arranged on the shell, the sliding block is slidingly connected with the sliding rail, the screw rod is rotationally connected with the shell, the nut is threadedly connected with the screw rod, the nut is fixedly connected with the sliding block, the axial direction of the screw rod is the same as the sliding direction of the sliding block, and the base is fixed on the nut. The driving device is a motor, and the output shaft of the motor is fixedly connected with the screw rod.
3. The folding high-voltage center-type cabinet static contact shield opening device according to claim 2, characterized in that, The displacement mechanism further includes a limiting piece, one end of the limiting piece is rotationally connected with one of the shell and the rack, and the other end of the limiting piece is detachably connected with the other one of the shell and the rack. The length direction of the shell is parallel to the axial direction of the screw rod, the rack is in a strip shape, and one end of the length direction of the shell is rotationally connected with the rack. The displacement mechanism has a working position and a storage position, when the displacement mechanism is in the working position, the length direction of the shell is perpendicular to the length direction of the rack. When the displacement mechanism is switched from the working position to the storage position, one end of the shell away from the rack rotates around the other end of the shell, so that the one end of the shell away from the rack gradually approaches the rack until the length direction of the shell is parallel to the length direction of the rack.
4. The folding high-voltage center-type cabinet static contact shield opening device according to claim 1, characterized in that, A plurality of wheels are arranged on the bottom of the shell.
5. The folding high-voltage center-type cabinet static contact shutter opening device according to claim 1, characterized in that, The base includes a base, a fastening bolt and a fastening nut, the base is provided with a sliding arc groove, one end of the push rod is rotationally connected with the base, the center of the sliding arc groove is coincident with the rotation center of the push rod around the base, the fastening bolt is sequentially arranged in the sliding arc groove and the push rod, and the fastening nut is threadedly connected with the fastening bolt, so that the fastening nut and the fastening bolt can clamp the push rod and the base.
6. The folding high-voltage center-type cabinet static contact shield opening device according to claim 5, characterized in that, A plurality of angle scale lines are arranged on the base, and the plurality of angle scale lines are arranged at intervals around the center of the sliding arc groove.
7. The folding high-voltage center-type cabinet static contact shutter opening device according to claim 1, characterized in that, A battery is further included, the battery is fixed on the rack, the driving device is a motor, and the battery is electrically connected with the motor.
8. The folding high-voltage center-type cabinet static contact shield opening device according to claim 1, characterized in that, The rack is provided with a limiting plate, one end of the limiting plate is fixed on the rack, the other end of the limiting plate extends along the length direction perpendicular to the rack, and the end of the limiting plate away from the rack abuts against the housings of the two groups of displacement mechanisms in the storage position.
9. The folding high-voltage center cabinet static contact shutter opening device according to claim 8, characterized in that, The two groups of displacement mechanisms are symmetrically arranged about the limiting plate.
10. The folding high-voltage center cabinet static contact shutter opening device according to claim 9, characterized in that, Two sides of the limiting plate along the length direction of the rack are respectively provided with accommodating grooves for embedding the housings of the displacement mechanisms adjacent thereto.