Assembly fixture of high-voltage load switch

Abstract

The utility model belongs to the technical field of assembly fixtures for high-voltage load switches, and particularly relates to an assembly fixture for a high-voltage load switch, which comprises a bottom plate. An auxiliary clamping device is mounted on the bottom plate; a telescopic air cylinder is installed on the outer side face of the supporting frame. The extending end part of the telescopic rod is fixedly connected with a clamping frame; the limiting hole is communicated with the limiting groove; a sliding block is arranged in the limiting groove in a sliding mode. The end, extending out of the outside, of the sliding block is fixedly connected with a pointer. Scale lines are carved on the two side faces of the movable base and located at the positions of limiting hole forming openings. An elastic air bag is mounted on a plate body acting surface of the clamping frame; the elastic air bag is connected with the control mechanism through the connecting mechanism; through the action of the auxiliary clamping device, the clamping precision of the clamp is improved, the phenomenon that the switch structure shakes between the clamps is avoided, the assembly accuracy and stability are guaranteed, and the situation that the switch structure frame is damaged due to too large clamping force is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of an assembly fixture for a high-voltage load switch, in particular to an assembly fixture for a high-voltage load switch. Background Art

[0002] During the assembly of the high-voltage load switch, an assembly fixture is required to assist in coordination to ensure the safety and efficiency of the assembly process;

[0003] A Chinese patent with publication number CN217485326U discloses an assembly fixture for low-voltage load switches, which belongs to the technical field of electrical equipment production, and includes a base, a placement table is fixed on the top of the base, a first air cavity is evenly opened on the inner side of the placement table, a first piston is slidably arranged inside the first air cavity, a connecting rod is fixed on the outer side of the first piston, a clamp is fixed on the end of the connecting rod away from the first piston, an exhaust mechanism is arranged inside the base, and a clamping mechanism is arranged on one side of the top of the base. The utility model has four groups of first air cavities on the outer side of the placement table, and the piston inside the first air cavity cooperates with the connecting rod, the clamp, and the exhaust mechanism composed of the first air cavity, the second piston, and the pull rod. When the load switch is assembled, the four sides of the load switch can be clamped and fixed at the same time, thereby improving the stability of the clamping and making it more convenient to use.

[0004] The above-mentioned switch assembly fixture has a low clamping accuracy when in use. For the assembly of high-voltage load switches, the insufficient clamping accuracy of the fixture may cause shaking between the fixture and the switch structure, and the accuracy and stability of the assembly cannot be ensured. Therefore, an assembly fixture for a high-voltage load switch is proposed to address the above-mentioned problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of an assembly fixture for a high-voltage load switch, the utility model provides an assembly fixture for a high-voltage load switch.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the assembly fixture of a high-voltage load switch described in the utility model comprises a base plate; a fixed seat is fixedly connected to one end of the top of the base plate; a movable seat is installed at the other end of the top of the base plate; an auxiliary clamping device is installed on the base plate; the auxiliary clamping device comprises a support frame; the tops of the fixed seat and the movable seat are both fixedly connected to the support frame; a telescopic cylinder is installed on the outer side of the support frame; a telescopic rod is installed at one end of the telescopic cylinder; the action end of the telescopic rod passes through the support frame and extends out of the outside; the extended end of the telescopic rod is fixedly connected to the clamping frame; the plates of the clamping frame are at right angles to each other;

[0007] Limiting grooves are provided on both sides of the movable seat; limiting holes are provided on both outer sides of the movable seat; the limiting holes are connected with the limiting grooves; a sliding block is provided inside the limiting groove for sliding; the end of the sliding block passes through the limiting hole and extends to the outside; an indicating needle is fixedly connected to the end of the sliding block extending to the outside; scale lines are engraved on both side sides of the movable seat at the positions where the limiting holes are provided; the operating trajectory of the scale lines intersects with the movement trajectory of the indicating needle; and precise control of the clamping position of the fixture is achieved.

[0008] Preferably, screw holes are provided inside the fixed seat and the movable seat; a screw rod is rotatably installed inside the screw hole; the screw rod is located at one end of the fixed seat, passes through the seat body of the fixed seat and extends out; a driving motor is installed on the structural surface of the fixed seat; the driving motor is connected to the end of the screw rod; so that the screw rod rotates smoothly.

[0009] Preferably, a support plate is fixedly connected to the side of the fixed seat close to the movable seat; the horizontal plane where the top end surface of the support plate is located coincides with the horizontal plane where the top end surface of the fixed seat is located; a bracket groove is provided on the top of the movable seat; the support plate moves along the bracket groove; and the smooth operation of the movable seat is ensured.

[0010] Preferably, a connecting hole is formed through one end of the limiting groove close to the fixing seat; a sliding rod is slidably installed inside the connecting hole; one end of the sliding rod is fixedly connected to the fixing seat; the other end of the sliding rod passes through the connecting hole, is inserted into the limiting groove and is connected to the sliding block; so that the sliding block can operate smoothly.

[0011] Preferably, a slide groove is provided at the top of the bottom plate; a slider is provided inside the slide groove; the top of the slider is fixedly connected to the bottom end surface of the moving seat; thus, the smooth movement of the moving seat is ensured.

[0012] Preferably, an elastic airbag is installed on the working surface of the plate body of the clamping frame; a control mechanism is installed on the connecting surface of the clamping frame; the elastic airbag is connected to the control mechanism through the connecting mechanism; the control mechanism acts on the telescopic cylinder to avoid excessive clamping force of the clamping frame.

[0013] The utility model is beneficial in that:

[0014] The utility model adopts the structural design of the auxiliary clamping device, places the switch structure frame to be equipped on the top of the fixed seat and the moving seat, starts the driving motor, and the screw rod in the screw hole rotates. Under the cooperation of the slide groove and the sliding block, the moving seat moves toward the fixed seat, and the support plate moves along the support groove and the connecting hole relatively along the sliding rod, so that the sliding block in the limit groove drives the indicating needle to move along the limit hole, and the movement trajectory of the indicating needle on the scale line is observed, so that the moving seat moves to a suitable position, and ensures that one side of the clamping frame is clamped on the switch structure frame, thereby improving the clamping accuracy of the clamp, avoiding the shaking phenomenon of the switch structure between the clamps, and ensuring the accuracy and stability of assembly. Subsequently, the telescopic cylinder on the supporting frame is started, and the telescopic rod drives the clamping frame to move, so that the plate body on the other side of the clamping frame is clamped on the switch structure frame. After the elastic airbag is subjected to the specified pressure, the connecting mechanism acts on the control mechanism, and the control mechanism operates, so that the telescopic cylinder stops operating, thereby avoiding excessive clamping force and causing damage to the switch structure frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a large isometric structural diagram;

[0017] Figure 2 It is a structural schematic diagram of the mobile seat;

[0018] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4 Schematic diagram of the structure of the clamping frame.

[0020] In the figure: 1, bottom plate; 2, fixed seat; 3, movable seat; 401, support frame; 402, telescopic cylinder; 403, telescopic rod; 404, clamping frame; 405, screw hole; 406, screw rod; 407, driving motor; 408, support plate; 409, bracket; 410, limit groove; 411, limit hole; 412, connecting hole; 413, sliding rod; 414, sliding block; 415, indicator needle; 416, scale line; 417, slide groove; 418, slider; 419, elastic airbag; 420, connecting mechanism; 421, control mechanism. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, an assembly fixture for a high-voltage load switch comprises a base plate 1; a fixed seat 2 is fixedly connected to one end of the top of the base plate 1; a movable seat 3 is installed at the other end of the top of the base plate 1; an auxiliary clamping device is installed on the base plate 1; the auxiliary clamping device comprises a support frame 401; the tops of the fixed seat 2 and the movable seat 3 are both fixedly connected to the support frame 401; a telescopic cylinder 402 is installed on the outer surface of the support frame 401; a telescopic rod 403 is installed at one end of the telescopic cylinder 402; the active end of the telescopic rod 403 passes through the support frame 401 and extends outward; the extended end of the telescopic rod 403 is fixedly connected to a clamping frame 404; the plates of the clamping frame 404 are at right angles to each other;

[0023] Limiting grooves 410 are provided on both sides of the movable seat 3; limiting holes 411 are provided on both outer sides of the movable seat 3; the limiting holes 411 are connected with the limiting grooves 410; a sliding block 414 is slidably arranged inside the limiting grooves 410; the end of the sliding block 414 passes through the limiting hole 411 and extends to the outside; an indicating needle 415 is fixedly connected to the end of the sliding block 414 extending to the outside; scale lines 416 are engraved on the two side surfaces of the movable seat 3 at the position where the limiting holes 411 are opened; the operating trajectory of the scale lines 416 intersects with the movement trajectory of the indicating needle 415; screw holes 405 are provided inside the fixed seat 2 and the movable seat 3; a screw rod 406 is rotatably installed inside the screw hole 405; the screw rod 406 is located at one end of the fixed seat 2 and passes through the seat body of the fixed seat 2 and extends out; a driving motor 407 is installed on the structural surface of the fixed seat 2; the driving motor 407 is connected to the end of the screw rod 406;

[0024] During operation, during the assembly of the high-voltage load switch, an assembly fixture is required to assist in coordination to ensure the safety and efficiency of the assembly process; the above-mentioned switch assembly fixture has a low clamping accuracy when in use, and for the assembly of the high-voltage load switch, the insufficient clamping accuracy of the fixture may cause shaking between the fixture and the switch structure, and the accuracy and stability of the assembly cannot be ensured. The present application uses an auxiliary clamping device to place the switch structure frame to be equipped on the top of the fixed seat 2 and the movable seat 3, start the drive motor 407, and the screw 406 inside the screw hole 405 rotates, and under the cooperation of the slide groove 417 and the slider 418, The movable seat 3 moves toward the fixed seat 2, and the support plate 408 moves relatively along the bracket 409 and the sliding rod 413 along the connecting hole 412, so that the sliding block 414 inside the limiting groove 410 drives the indicator needle 415 to move along the limiting hole 411, and the movement trajectory of the indicator needle 415 on the scale line 416 is observed, so that the movable seat 3 moves to the appropriate position and ensures that one side of the clamping frame 404 is clamped on the switch structure frame. Subsequently, the telescopic cylinder 402 on the support frame 401 is started, and the telescopic rod 403 drives the clamping frame 404 to move, so that the other side of the clamping frame 404 is clamped on the switch structure frame, thereby achieving precise control of the clamping position of the fixture.

[0025] A support plate 408 is fixedly connected to the side of the fixed seat 2 close to the movable seat 3; the horizontal plane where the top end surface of the support plate 408 is located coincides with the horizontal plane where the top end surface of the fixed seat 2 is located; a bracket 409 is provided on the top of the movable seat 3; the support plate 408 moves along the bracket 409; a connecting hole 412 is provided through one end of the limiting groove 410 close to the fixed seat 2; a sliding rod 413 is slidably installed inside the connecting hole 412; one end of the sliding rod 413 is fixedly connected to the fixed seat 2; the other end of the sliding rod 413 passes through the connecting hole 412 is inserted into the limit groove 410 and connected with the sliding block 414; a sliding groove 417 is provided on the top of the bottom plate 1; a sliding block 418 is provided inside the sliding groove 417; the top of the sliding block 418 is fixedly connected to the bottom end surface of the moving seat 3; an elastic air bag 419 is installed on the plate body action surface of the clamping frame 404; a control mechanism 421 is installed on the connecting surface of the clamping frame 404; the elastic air bag 419 is connected to the control mechanism 421 through the connecting mechanism 420; the control mechanism 421 acts on the telescopic cylinder 402;

[0026] During operation, after the elastic airbag 419 is subjected to a specified pressure, the connecting mechanism 420 acts on the control mechanism 421, and the control mechanism 421 operates to stop the telescopic cylinder 402, thereby preventing damage to the switch structure frame due to excessive clamping force.

[0027] Working principle: During the assembly of the high-voltage load switch, an assembly fixture is required to assist in coordination to ensure the safety and efficiency of the assembly process; the above-mentioned switch assembly fixture has a low clamping accuracy when in use, and for the assembly of the high-voltage load switch, the insufficient clamping accuracy of the fixture may cause shaking between the fixture and the switch structure, and the accuracy and stability of the assembly cannot be ensured. The present application uses an auxiliary clamping device to place the switch structure frame to be equipped on top of the fixed seat 2 and the movable seat 3, start the drive motor 407, and the screw 406 inside the screw hole 405 rotates. With the cooperation of the slide groove 417 and the slider 418, the movable seat 3 moves toward the fixed seat 2, and the support plate 408 moves along the bracket 409 and the sliding rod 413 along the connecting hole 412, so that the inside of the limit groove 410 The sliding block 414 drives the indicator needle 415 to move along the limit hole 411, and the movement trajectory of the indicator needle 415 on the scale line 416 is observed, so that the movable seat 3 moves to the appropriate position and ensures that one side of the clamping frame 404 is clamped on the switch structure frame, thereby improving the clamping accuracy of the clamp, avoiding the shaking of the switch structure between the clamps, and ensuring the accuracy and stability of the assembly. Subsequently, the telescopic cylinder 402 on the support frame 401 is started, and the telescopic rod 403 drives the clamping frame 404 to move, so that the plate body on the other side of the clamping frame 404 is clamped on the switch structure frame. After the elastic airbag 419 is subjected to the specified pressure, the connecting mechanism 420 acts on the control mechanism 421, and the control mechanism 421 operates to stop the telescopic cylinder 402 from operating, thereby avoiding excessive clamping force and causing damage to the switch structure frame.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An assembly fixture for a high-voltage load switch, comprising a base plate (1); a fixed seat (2) is fixedly connected to one end of the top of the base plate (1); a movable seat (3) is installed at the other end of the top of the base plate (1); an auxiliary clamping device is installed on the base plate (1); the characteristics are: The auxiliary clamping device comprises a support frame (401); the tops of the fixed seat (2) and the movable seat (3) are both fixedly connected to the support frame (401); a telescopic cylinder (402) is installed on the outer side of the support frame (401); a telescopic rod (403) is installed at one end of the telescopic cylinder (402); the active end of the telescopic rod (403) passes through the support frame (401) and extends outward; the extended end of the telescopic rod (403) is fixedly connected to a clamping frame (404); the plates of the clamping frame (404) are at right angles to each other; Limiting grooves (410) are provided on both sides of the interior of the movable seat (3); limiting holes (411) are provided on both outer sides of the movable seat (3); the limiting holes (411) are connected with the limiting grooves (410); a sliding block (414) is slidably arranged inside the limiting grooves (410); the end of the sliding block (414) passes through the limiting holes (411) and protrudes to the outside; an indicating needle (415) is fixedly connected to the end of the sliding block (414) protruding to the outside; scale lines (416) are engraved on both side surfaces of the movable seat (3) at the positions where the limiting holes (411) are opened; the operation track of the scale lines (416) intersects with the movement track of the indicating needle (415).

2. The assembly fixture for a high-voltage load switch according to claim 1, characterized in that: The fixed seat (2) and the movable seat (3) are both provided with screw holes (405); a screw rod (406) is rotatably installed inside the screw hole (405); one end of the screw rod (406) is located on the fixed seat (2), passes through the seat body of the fixed seat (2) and extends out; a driving motor (407) is installed on the structural surface of the fixed seat (2); and the driving motor (407) is connected to the end of the screw rod (406).

3. The assembly fixture of a high-voltage load switch according to claim 2, characterized in that: A support plate (408) is fixedly connected to the side surface of the fixed seat (2) close to the movable seat (3); the horizontal plane where the top end surface of the support plate (408) is located coincides with the horizontal plane where the top end surface of the fixed seat (2) is located; a bracket groove (409) is provided on the top of the movable seat (3); and the support plate (408) moves along the bracket groove (409).

4. The assembly fixture for a high-voltage load switch according to claim 3 is characterized in that: A connecting hole (412) is formed through one end of the limiting groove (410) close to the fixing seat (2); a sliding rod (413) is slidably installed inside the connecting hole (412); one end of the sliding rod (413) is fixedly connected to the fixing seat (2); the other end of the sliding rod (413) passes through the connecting hole (412), is inserted into the limiting groove (410), and is connected to the sliding block (414).

5. The assembly fixture for a high-voltage load switch according to claim 4, characterized in that: A slide groove (417) is provided at the top of the bottom plate (1); a slider (418) is provided inside the slide groove (417); and the top of the slider (418) is fixedly connected to the bottom end surface of the movable seat (3).

6. The assembly fixture for a high-voltage load switch according to claim 4, characterized in that: An elastic airbag (419) is installed on the plate action surface of the clamping frame (404); a control mechanism (421) is installed on the connection surface of the clamping frame (404); the elastic airbag (419) is connected to the control mechanism (421) via the connection mechanism (420); and the control mechanism (421) acts on the telescopic cylinder (402).

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