Reversing mechanism of high-voltage switch cabinet

Abstract

The utility model relates to the technical field of high-voltage switch cabinets, and provides a high-voltage switch cabinet reversing mechanism which comprises a cabinet body, one side of the cabinet body is fixedly connected with a driving motor, the driving motor is in driving connection with a reduction gearbox, the reduction gearbox is fixedly connected with the outer wall of the cabinet body, and the other side of the cabinet body is fixedly connected with a hydraulic cylinder. A shell is fixedly connected to the inner wall of the cabinet body, a reversing mechanism is arranged in the shell and comprises a first reciprocating screw, the first reciprocating screw penetrates through the shell and is rotationally connected with the shell, when a driving motor is started, a rotating shaft rotates through transmission of a reduction gearbox, at the moment, a first bevel gear drives the first reciprocating screw to rotate, and a second bevel gear drives the second reciprocating screw to rotate. And therefore, the moving block transversely moves to adjust the position of the ventilation fan blade, and the ventilation position in the machine body can be adjusted by changing the position of the ventilation fan blade. According to the technical scheme, the problem that a high-voltage switch cabinet in the prior art is single in ventilation direction is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switch cabinets, and in particular to a reversing mechanism for a high-voltage switch cabinet. Background Art

[0002] High-voltage switchgear refers to electrical products with voltage levels ranging from 3.6kV to 550kV that play the role of switching, controlling or protecting in power generation, transmission, distribution, power conversion and consumption in power systems. It is an important equipment in power systems and mainly has the function of disconnecting high-voltage circuits. It realizes connection through busbars and cables, thereby ensuring the normal operation of the power system.

[0003] At present, in most of the existing high-voltage switch cabinets, the ventilation fans in the ventilation devices are fixed, which leads to a relatively single ventilation direction of the high-voltage switch cabinet. In view of this, we propose a reversing mechanism for a high-voltage switch cabinet to change the ventilation direction in the cabinet. Utility Model Content

[0004] The utility model provides a high-voltage switch cabinet reversing mechanism, which solves the problem of single ventilation direction of the high-voltage switch cabinet in the related technology.

[0005] The technical solution of the utility model is as follows:

[0006] A reversing mechanism for a high-voltage switch cabinet comprises a cabinet, one side of the cabinet is fixedly connected to a driving motor, the driving motor is drivingly connected to a reduction box, the reduction box is fixedly connected to the outer wall of the cabinet, the other side of the cabinet is fixedly connected to a hydraulic cylinder, the inner wall of the cabinet is fixedly connected to a shell, a reversing mechanism is arranged in the shell, and the reversing mechanism comprises:

[0007] A reciprocating screw rod 1, wherein the reciprocating screw rod 1 penetrates the housing and is rotatably connected to the housing;

[0008] A guide rod, wherein the guide rod is fixedly connected to the inner wall of the shell;

[0009] A moving block, the moving block is penetrated by a reciprocating screw and is threadedly connected to the reciprocating screw, and the moving block is penetrated by a guide rod and is slidably connected to the guide rod;

[0010] A rotating shaft, the rotating shaft passes through the cabinet and the shell and is rotatably connected to the cabinet and the shell, and the rotating shaft is fixedly connected to the output shaft of the reduction box;

[0011] and a bevel gear 1, wherein the bevel gear 1 is clamped with a reciprocating screw 1.

[0012] Preferably, the rotating shaft is provided with a sliding groove, the sliding groove is slidably connected to the bevel gear one, and the outer wall of the bevel gear one is fixedly connected to a spring one, when the bevel gear one is meshed with the bevel gear two, the spring one is in an elastic deformation state, when the pressure on the bevel gear one disappears, the bevel gear one will return to its original position under the elastic force of the spring one, and the end of the spring one away from the bevel gear one is fixedly connected to the inner wall of the rotating shaft.

[0013] Preferably, the bevel gear 1 is slidably connected with a clamping block, the outer wall of the clamping block is fixedly connected with a spring 2, and one end of the spring 2 away from the clamping block is fixedly connected to the inner wall of the bevel gear 1.

[0014] Preferably, the shell is penetrated by reciprocating screw rod 2 and is slidably connected to reciprocating screw rod 2, the outer wall of reciprocating screw rod 2 is fixedly connected with bevel gear 2, the reciprocating screw rod 2 penetrates the threaded sleeve and is threadedly connected to the threaded sleeve, the outer wall of the threaded sleeve is fixedly connected to a slider, and the slider is slidably connected to the shell.

[0015] Preferably, the reciprocating screw is provided with a slot, and the reciprocating screw can be engaged with the bevel gear through the matching between the slot and the block. The inner wall of the reciprocating screw is slidably connected with a moving rod, and the moving rod passes through the cabinet and is slidably connected to the cabinet. The outer wall of the moving rod is fixedly connected to the hydraulic cylinder output.

[0016] Preferably, the moving block is slidably connected to a sliding block, a ventilation motor is fixedly connected to the inner wall of the sliding block, the ventilation motor output shaft passes through the sliding block and is rotatably connected to the sliding block, the ventilation motor output shaft is fixedly connected to a ventilation fan blade, the sliding block is passed through by a sliding rod and is slidably connected to the sliding rod, and the sliding rod is fixedly connected to the slider.

[0017] The working principle and beneficial effects of the utility model are:

[0018] 1. In the utility model, when the driving motor is started, the shaft is rotated through the transmission of the reduction box. At this time, the bevel gear drives the reciprocating screw to rotate, so that the moving block moves horizontally to adjust the position of the ventilation fan. By changing the position of the ventilation fan, the ventilation position inside the machine body can be adjusted.

[0019] 2. In the utility model, when the moving rod moves, the moving rod squeezes the bevel gear 1, so that the bevel gear 1 will mesh with the bevel gear 2. At this time, when the bevel gear 1 rotates, the bevel gear 2 will rotate synchronously. In this process, the slider drives the sliding rod to move under the action of the threaded sleeve. Through the movement of the sliding rod, the longitudinal adjustment of the ventilation fan blades can be achieved, thereby adjusting the ventilation position inside the machine body again. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the reversing mechanism of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the motion block of the utility model;

[0025] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the rotating shaft of the utility model;

[0026] Figure 6 This is a schematic diagram of a three-dimensional cross-sectional structure of a bevel gear of the utility model;

[0027] Figure 7 It is a schematic diagram of a partial three-dimensional cross-sectional structure of the utility model.

[0028] In the figure: 1. cabinet; 2. drive motor; 3. reduction gearbox; 4. hydraulic cylinder; 5. housing; 51. reciprocating screw rod 1; 511. slot; 512. motion rod; 52. guide rod; 53. motion block; 54. sliding block; 55. ventilation motor; 56. ventilation fan; 57. rotating shaft; 571. sliding slot; 572. spring 1; 58. bevel gear 1; 581. block; 582. spring 2; 583. bevel gear 2; 584. reciprocating screw rod 2; 585. threaded sleeve; 586. slider; 587. sliding rod. DETAILED DESCRIPTION

[0029] The following will be combined with 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 of 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.

[0030] Example 1

[0031] like Figure 1~Figure 4As shown, this embodiment proposes a reversing mechanism for a high-voltage switch cabinet, including a cabinet 1, a driving motor 2 is fixedly connected to one side of the cabinet 1, the driving motor 2 is drivingly connected to a reduction box 3, the reduction box 3 is fixedly connected to the outer wall of the cabinet 1, the other side of the cabinet 1 is fixedly connected to a hydraulic cylinder 4, the inner wall of the cabinet 1 is fixedly connected to a shell 5, a reversing mechanism is arranged in the shell 5, the reversing mechanism includes a reciprocating screw 51, the reciprocating screw 51 passes through the shell 5 and is rotatably connected to the shell 5, a guide rod 52, the guide rod 52 is fixedly connected to the inner wall of the shell 5, a moving block 53, the moving block 53 is penetrated by the reciprocating screw 51 and is threadedly connected to the reciprocating screw 51, the moving block 53 is penetrated by the guide rod 52 and is slidably connected to the guide rod 52, a rotating shaft 57, the rotating shaft 57 passes through the cabinet 1 and the shell 5 and is rotatably connected to the cabinet 1 and the shell 5, the rotating shaft 57 is fixedly connected to the output shaft of the reduction box 3, and an umbrella gear Wheel 1 58, bevel gear 1 58 is clamped with reciprocating screw 1 51, rotating shaft 57 is provided with sliding groove 571, sliding groove 571 is slidably connected with bevel gear 1 58, the outer wall of bevel gear 1 58 is fixedly connected with spring 1 572, the end of spring 1 572 away from bevel gear 1 58 is fixedly connected with the inner wall of rotating shaft 57, bevel gear 1 58 is slidably connected with clamping block 581, the outer wall of clamping block 581 is fixedly connected with spring 2 582, the end of spring 2 582 away from clamping block 581 is fixedly connected with the inner wall of bevel gear 1 58, housing 5 is penetrated by reciprocating screw 2 584 and slidably connected with reciprocating screw 2 584, bevel gear 2 583 is fixedly connected with the outer wall of reciprocating screw 2 584, reciprocating screw 2 584 penetrates threaded sleeve 585 and is threadedly connected with threaded sleeve 585, the outer wall of threaded sleeve 585 is fixedly connected with slider 586, and slider 586 is slidably connected with housing 5.

[0032] In this embodiment, when the driving motor 2 is started, the transmission of the reduction box 2 causes the rotating shaft 57 to rotate. When the rotating shaft 57 rotates, the bevel gear 58 slidingly connected to the sliding groove 571 drives the reciprocating screw 51 to rotate, thereby causing the moving block 53 to move laterally to adjust the position of the ventilation fan 56.

[0033] Example 2

[0034] like Figure 5~Figure 7As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that the reciprocating screw 51 is provided with a slot 511, the inner wall of the reciprocating screw 51 is slidably connected with a moving rod 512, the moving rod 512 penetrates the cabinet 1 and is slidably connected to the cabinet 1, the outer wall of the moving rod 512 is fixedly connected to the output of the hydraulic cylinder 4, the moving block 53 is slidably connected with a sliding block 54, the inner wall of the sliding block 54 is fixedly connected with a ventilation motor 55, the output shaft of the ventilation motor 55 penetrates the sliding block 54 and is rotatably connected to the sliding block 54, the output shaft of the ventilation motor 55 is fixedly connected with a ventilation fan 56, the sliding block 54 is penetrated by the sliding rod 587 and is slidably connected to the sliding rod 587, and the sliding rod 587 is fixedly connected to the slider 586.

[0035] In this embodiment, when the moving rod 512 moves, the moving rod 512 squeezes the bevel gear 1 58. During this process, the slot 511 squeezes the block 581, so that the block 581 completely slides into the bevel gear 1 58, and then the bevel gear 1 58 slides, and the spring 1 572 elastically deforms, and the bevel gear 1 58 engages with the bevel gear 2 583. At this time, when the bevel gear 1 58 rotates, the bevel gear 2 583 rotates synchronously. During this process, the slider 586 drives the sliding rod 587 to move under the action of the threaded sleeve 585, and the longitudinal adjustment of the ventilation fan 56 can be achieved through the movement of the sliding rod 587.

[0036] In the utility model, during use, when the driving motor 2 is driven, the transmission of the reduction box 2 causes the rotating shaft 57 to drive the bevel gear 58 to rotate. At the same time, the reciprocating screw 51 rotates, so that the moving block 53 moves laterally to adjust the lateral position of the ventilation blade 56. Then the hydraulic cylinder 4 is started. At this time, under the drive of the hydraulic cylinder 4, the moving rod 512 will squeeze the bevel gear 58. In this process, the clamping block 581 is squeezed by the clamping groove 511, so that the clamping block 581 completely slides into the bevel gear 58. Then the bevel gear 58 slides, and the bevel gear 58 engages with the bevel gear 2 583. Then, when the bevel gear 1 58 rotates, the bevel gear 2 583 rotates synchronously. The slider 586 drives the sliding rod 587 to move under the action of the threaded sleeve 585. Through the movement of the sliding rod 587, the longitudinal adjustment of the ventilation blade 56 can be achieved.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-voltage switch cabinet reversing mechanism, characterized in that: The cabinet (1) comprises a drive motor (2) fixedly connected to one side of the cabinet (1), the drive motor (2) drivingly connected to a reduction box (3), the reduction box (3) being fixedly connected to the outer wall of the cabinet (1), the other side of the cabinet (1) being fixedly connected to a hydraulic cylinder (4), the inner wall of the cabinet (1) being fixedly connected to a shell (5), a reversing mechanism being arranged in the shell (5), the reversing mechanism comprising: a reciprocating screw rod (51), the reciprocating screw rod (51) passing through the housing (5) and being rotationally connected to the housing (5); A guide rod (52), wherein the guide rod (52) is fixedly connected to an inner wall of the housing (5); A moving block (53), the moving block (53) being penetrated by the reciprocating screw rod (51) and being threadedly connected to the reciprocating screw rod (51), the moving block (53) being penetrated by the guide rod (52) and being slidably connected to the guide rod (52); A rotating shaft (57), the rotating shaft (57) passing through the cabinet (1) and the shell (5) and being rotationally connected to the cabinet (1) and the shell (5), and the rotating shaft (57) being fixedly connected to the output shaft of the reduction box (3); and a bevel gear 1 (58), wherein the bevel gear 1 (58) is engaged with the reciprocating screw 1 (51).

2. A high-voltage switch cabinet reversing mechanism according to claim 1, characterized in that: The rotating shaft (57) is provided with a sliding groove (571), the sliding groove (571) is slidably connected to the bevel gear one (58), the outer wall of the bevel gear one (58) is fixedly connected to a spring one (572), and one end of the spring one (572) away from the bevel gear one (58) is fixedly connected to the inner wall of the rotating shaft (57).

3. A high-voltage switch cabinet reversing mechanism according to claim 1, characterized in that: The bevel gear one (58) is slidably connected to a clamping block (581), the outer wall of the clamping block (581) is fixedly connected to a spring two (582), and one end of the spring two (582) away from the clamping block (581) is fixedly connected to the inner wall of the bevel gear one (58).

4. A high-voltage switch cabinet reversing mechanism according to claim 1, characterized in that: The housing (5) is penetrated by the second reciprocating screw (584) and is slidably connected to the second reciprocating screw (584); the outer wall of the second reciprocating screw (584) is fixedly connected to the second bevel gear (583); the second reciprocating screw (584) penetrates the threaded sleeve (585) and is threadedly connected to the threaded sleeve (585); the outer wall of the threaded sleeve (585) is fixedly connected to a slider (586); and the slider (586) is slidably connected to the housing (5).

5. A high-voltage switch cabinet reversing mechanism according to claim 1, characterized in that: The reciprocating screw rod (51) is provided with a slot (511), the inner wall of the reciprocating screw rod (51) is slidably connected to a moving rod (512), the moving rod (512) penetrates the cabinet (1) and is slidably connected to the cabinet (1), and the outer wall of the moving rod (512) is fixedly connected to the output of the hydraulic cylinder (4).

6. A high-voltage switch cabinet reversing mechanism according to claim 4, characterized in that: The moving block (53) is slidably connected to a sliding block (54); a ventilation motor (55) is fixedly connected to the inner wall of the sliding block (54); an output shaft of the ventilation motor (55) passes through the sliding block (54) and is rotatably connected to the sliding block (54); a ventilation fan blade (56) is fixedly connected to the output shaft of the ventilation motor (55); the sliding block (54) is penetrated by a sliding rod (587) and is slidably connected to the sliding rod (587); and the sliding rod (587) is fixedly connected to a sliding block (586).

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