CN216624071U

CN216624071U - A general type crank for transformer substation's switch

Info

Publication number: CN216624071U
Application number: CN202123225971.0U
Authority: CN
Inventors: 雷鸣; 宋一鸣; 熊晨
Original assignee: State Grid Corp of China SGCC; Maintenance Branch of State Grid Hubei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Maintenance Branch of State Grid Hubei Electric Power Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-27
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a universal crank for a transformer substation disconnecting link, which comprises a first mounting rod, a second mounting rod, a first connecting rod and a second connecting rod, wherein a first chute is formed in the first connecting rod, the first mounting rod is slidably mounted on the first chute, a second chute is formed in the second connecting rod, the second mounting rod is slidably mounted on the second chute, two mounting frames are fixedly connected to the second mounting rod, when the universal crank is used, a first knob is rotated to rotate a threaded rod so as to enable the fixed block to be separated from a first fixed groove, then the first mounting rod is rotated, the working efficiency is also improved, when the universal crank is not used, the fixed block is clamped with the first fixed groove, the occupied volume is preliminarily reduced, the device is preliminarily and conveniently carried, then a clamping mechanism corresponds to a clamping groove at the upper end, and the whole volume is further reduced, further convenient to carry.

Description

A general type crank for transformer substation's switch

Technical Field

The utility model relates to the technical field of universal cranks of disconnecting links of transformer substations, in particular to a universal crank for disconnecting links of transformer substations.

Background

Transformer substation, place of changing voltage. In order to transmit the electric energy generated by the power plant to a remote place, the voltage must be increased to become high voltage, and then the voltage is decreased as required near the user, and the voltage increasing and decreasing work is completed by a transformer substation. The main equipment of a substation are switches and transformers. The small transformer substations are called as transformer substations according to different sizes. The transformer substation is larger than the substation. The transformer substation refers to a step-down transformer substation with the voltage grade below 110 kV; the transformer substations comprise 'boosting and reducing' transformer substations of various voltage grades.

For open-type equipment of a transformer substation, due to the fact that grounding switches are various in types and different in types, in the prior art, the corresponding disconnecting switch can only be used for a specific crank, multiple sets of cranks need to be carried during switching operation, and similar cranks are easily confused, so that great inconvenience is brought to the grounding switch operation, the existing cranks are not universal, and the working efficiency is reduced.

For this reason, it is necessary to design a universal type crank for a substation disconnecting link so as to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a universal crank for a transformer substation disconnecting link, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a universal crank for a transformer substation disconnecting link comprises a first mounting rod, a second mounting rod, a first connecting rod and a second connecting rod, wherein a first sliding groove is formed in the first connecting rod, the first mounting rod is slidably mounted on the first sliding groove, a second sliding groove is formed in the second connecting rod, the second mounting rod is slidably mounted on the second sliding groove, two mounting frames are fixedly connected to the second mounting rod, a rotating shaft is rotatably mounted between the two mounting frames, the first mounting rod is fixedly connected to the rotating shaft, a movable groove is formed in the second mounting rod and is located between the two mounting frames, a threaded rod is in threaded connection with the inner wall of the movable groove, a fixing block is fixedly connected to the left end of the threaded rod and is a cylinder, a first fixing groove corresponding to the fixing block is formed in the right end of the first mounting rod, a second fixing groove corresponding to the fixing block is formed in the top of the first mounting rod, and the other end rigid coupling of threaded rod has first knob, the joint groove has been seted up respectively to the rear side upper and lower end of first installation pole and second installation pole, be provided with the clamping mechanism who corresponds with the joint groove on first connecting rod and the second connecting rod respectively.

Preferably, the left end of the first connecting rod is fixedly connected with a butt joint block, a rectangular groove is formed in the butt joint block, two sliding cavities are formed in two inner walls of the rectangular groove respectively, a clamping plate is symmetrically and slidably mounted between the two sliding cavities, and an adjusting mechanism is arranged on the butt joint block.

Preferably, the clamping mechanism wraps a block joint piece, the mounting groove has been seted up on the back wall of first spout and second spout respectively, slidable mounting has the slide bar on the back wall of mounting groove, the joint piece corresponds and the rigid coupling on the slide bar with the joint groove, the rigid coupling has fixed spring between the inner wall of joint piece and mounting groove, and fixed spring overlaps and establishes on the slide bar.

Preferably, the adjusting mechanism comprises a rocker, the rocker is rotatably installed between the two inner walls of the sliding cavity, two thread grooves with opposite rotation directions are symmetrically formed in the rocker, the corresponding thread grooves are meshed with the clamping plate, and a second knob is fixedly connected to one end of the rocker.

Preferably, first limiting grooves are formed in the two inner walls of the first sliding groove and the second sliding groove respectively, and first limiting blocks corresponding to the first limiting grooves are fixedly connected to the first mounting rod and the second mounting rod respectively.

Preferably, the two inner walls of the sliding cavity are respectively provided with a second limiting groove, and the clamping plate is fixedly connected with a second limiting block corresponding to the second limiting groove.

Preferably, the second connecting rod is provided with anti-skid lines.

Compared with the prior art, the utility model has the beneficial effects that:

(1) when the grounding switch is used, the first knob is rotated to rotate the threaded rod, so that the fixing block is separated from the first fixing groove, then the first mounting rod is rotated to enable the first mounting rod and the second mounting rod to be in a ninety-degree state, the fixing block corresponds to the second fixing groove at the moment, the first knob is rotated, the fixing block is clamped on the second fixing groove under the action of the threaded rod, so that the first mounting rod and the second mounting rod are in a vertical state, the state is shown in figure 3 when the first mounting rod and the second mounting rod are vertical, when switching operation is required, the rectangular groove is butted with the switch, then the second connecting rod is manually rotated, so that the switching of the grounding switch is realized, meanwhile, under the action of the moving mechanism, the two clamping plates can be close to or far away from each other, and the two clamping plates clamp and fix the switch, on the one hand, the grounding switch can be suitable for different sizes, on the other hand, can be applicable to the switch of different grade type, for example rectangle, rhombus or hexagon, thereby make this crank improve general type, do not need the staff to carry the crank of multiple different grade type, also improve work efficiency, when not using, make fixed block and first fixed slot joint, thereby tentatively reduced occupation volume, thereby tentatively conveniently carry this device, make the joint groove of clamping mechanism and upper end correspond after that, thereby further subtract holistic volume, further conveniently carry.

Drawings

FIG. 1 is a schematic plan view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic plan view of the first and second mounting posts of the present invention in a vertical orientation;

FIG. 4 is a side cross-sectional view of a second mounting bar and a second connecting bar of the present invention;

FIG. 5 is a side cross-sectional view of the docking block of the present invention;

FIG. 6 is a top view of the present invention;

FIG. 7 is an enlarged view of A in FIG. 4 according to the present invention.

In the figure: 1. a first connecting rod; 2. a first mounting bar; 3. a rotating shaft; 4. a second fixing groove; 5. a first fixing groove; 6. a fixed block; 7. a mounting frame; 8. a movable groove; 9. a threaded rod; 10. a second mounting bar; 11. a second connecting rod; 12. a second chute; 13. a clamping plate; 14. a butt joint block; 15. a rocker; 16. a slide chamber; 17. a first chute; 18. anti-skid lines; 19. mounting grooves; 20. a slide bar; 21. a clamping block; 22. fixing the spring; 23. a clamping groove; 24. a rectangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a universal crank for a transformer substation disconnecting link comprises a first mounting rod 2, a second mounting rod 10, a first connecting rod 1 and a second connecting rod 11, wherein a first chute 17 is formed in the first connecting rod 1, the first mounting rod 2 is slidably mounted on the first chute 17, a second chute 12 is formed in the second connecting rod 11, the second mounting rod 10 is slidably mounted on the second chute 12, two mounting frames 7 are fixedly connected to the second mounting rod 10, a rotating shaft 3 is rotatably mounted between the two mounting frames 7, the first mounting rod 2 is fixedly connected to the rotating shaft 3, a movable groove 8 is formed in the second mounting rod 10, the movable groove 8 is located between the two mounting frames 7, a threaded rod 9 is connected to the inner wall of the movable groove 8 through threads, a fixed block 6 is fixedly connected to the left end of the threaded rod 9, the fixed block 6 is a cylinder, a first fixed groove 5 corresponding to the fixed block 6 is formed in the right end of the first mounting rod 2, the top of the first mounting rod 2 is provided with a second fixing groove 4 corresponding to the fixing block 6, the other end of the threaded rod 9 is fixedly connected with a first knob, the upper and lower ends of the rear sides of the first mounting rod 2 and the second mounting rod 10 are respectively provided with a clamping groove 23, the first connecting rod 1 and the second connecting rod 11 are respectively provided with a clamping mechanism corresponding to the clamping groove 23, the left end of the first connecting rod 1 is fixedly connected with a butt-joint block 14, the butt-joint block 14 is provided with a rectangular groove 24, two inner walls of the rectangular groove 24 are respectively provided with a sliding cavity 16, a clamping plate 13 is symmetrically and slidably mounted between the two sliding cavities 16, the butt-joint block 14 is provided with an adjusting mechanism, when in use, the first knob is rotated to rotate the threaded rod 9 to separate the fixing block 6 from the first fixing groove 5, then the first mounting rod 2 is rotated to enable the first mounting rod 2 and the second mounting rod 10 to form ninety degrees, and the fixing block 6 corresponds to the second fixing groove 4, and the first knob is rotated, under the action of the threaded rod 9, the fixed block 6 is clamped on the second fixed groove 4, so that the first installation rod 2 and the second installation rod 10 are in a vertical state, fig. 3 is the state when the first installation rod 2 and the second installation rod 10 are vertical, when switching operation is required, the rectangular groove 24 is butted with the disconnecting link, then the second connecting rod 11 is hand-operated, so that the grounding disconnecting link is switched on and off, meanwhile, under the action of the moving mechanism, the two clamping plates 13 can be close to or away from each other, and the two clamping plates 13 can clamp and fix the disconnecting link, on one hand, the disconnecting link can be suitable for disconnecting links with different sizes, on the other hand, the rocking handle can be suitable for disconnecting links with different types, such as rectangular, rhombic or hexagonal, so that the rocking handle is universal, and a worker does not need to carry various types of rocking handles, also improved work efficiency, when not using for fixed block 6 and 5 joints of first fixed slot, thereby tentatively reduced and taken the volume, thereby tentatively conveniently carrying this device, make joint mechanism and the joint groove 23 of upper end correspond after that, thereby further subtract holistic volume, further conveniently carry.

Clamping mechanism package piece joint piece 21, mounting groove 19 has been seted up on the rear wall of first spout 17 and second spout 12 respectively, slidable mounting has slide bar 20 on the rear wall of mounting groove 19, joint piece 21 corresponds and the rigid coupling on slide bar 20 with joint groove 23, the rigid coupling has fixed spring 22 between the inner wall of joint piece 21 and mounting groove 19, and fixed spring 22 cover is established on slide bar 20, pulling slide bar 20, make joint piece 21 break away from the joint groove 23 of lower extreme, slide second installation pole 10 after that, make joint groove 23 and the joint piece 21 of upper end correspond, under fixed spring 22's effect, stability when having increased the joint, thereby portable.

Adjustment mechanism includes rocker 15, rocker 15 rotates and installs between two inner walls of smooth chamber 16, the symmetry has been seted up two on rocker 15 and has been revolved to opposite thread groove, corresponding thread groove and grip block 13 meshing, the one end rigid coupling of rocker 15 has the second knob, rotate the second knob, thereby make rocker 15 rotate, under two effects of revolving to opposite thread groove, thereby make two grip blocks 13 remove, can keep away from each other or be close to, and carry out the centre gripping to it and fix.

First limiting grooves are formed in two inner walls of the first sliding groove 17 and the second sliding groove 12 respectively, first limiting blocks corresponding to the first limiting grooves are fixedly connected to the first mounting rod 2 and the second mounting rod 10 respectively, and the first mounting rod 2 and the second mounting rod 10 are limited.

Two inner walls of the sliding cavity 16 are respectively provided with a second limiting groove, and the clamping plate 13 is fixedly connected with a second limiting block corresponding to the second limiting groove, so that the stability of the clamping plate 13 is further improved.

The second connecting rod 11 is provided with anti-skid grains 18 to increase friction.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a general type crank for transformer substation's switch which characterized in that: comprises a first mounting rod (2), a second mounting rod (10), a first connecting rod (1) and a second connecting rod (11), wherein a first sliding groove (17) is formed in the first connecting rod (1), the first mounting rod (2) is slidably mounted on the first sliding groove (17), a second sliding groove (12) is formed in the second connecting rod (11), the second mounting rod (10) is slidably mounted on the second sliding groove (12), two mounting frames (7) are fixedly connected to the second mounting rod (10), a rotating shaft (3) is rotatably mounted between the two mounting frames (7), the first mounting rod (2) is fixedly connected to the rotating shaft (3), a movable groove (8) is formed in the second mounting rod (10), the movable groove (8) is positioned between the two mounting frames (7), a threaded rod (9) is in threaded connection with the inner wall of the movable groove (8), the left end rigid coupling of threaded rod (9) has fixed block (6), and fixed block (6) are the cylinder, first fixed slot (5) that correspond with fixed block (6) are seted up to the right-hand member of first installation pole (2), second fixed slot (4) that correspond with fixed block (6) are seted up at the top of first installation pole (2), and the other end rigid coupling of threaded rod (9) has first knob, joint groove (23) have been seted up respectively to the lower extreme on the rear side of first installation pole (2) and second installation pole (10), be provided with the joint mechanism who corresponds with joint groove (23) on head rod (1) and second connecting rod (11) respectively.

2. The universal type crank for the substation disconnecting link according to claim 1, characterized in that: the left end rigid coupling of head rod (1) has butt joint piece (14), rectangular channel (24) have been seted up on butt joint piece (14), smooth chamber (16) have been seted up on two inner walls of rectangular channel (24) respectively, two symmetrical slidable mounting has grip block (13) between smooth chamber (16), be provided with adjustment mechanism on butt joint piece (14).

3. The universal type crank for the substation disconnecting link according to claim 2, characterized in that: clamping mechanism package piece joint piece (21), mounting groove (19) have been seted up on the back wall of first spout (17) and second spout (12) respectively, slidable mounting has slide bar (20) on the back wall of mounting groove (19), joint piece (21) correspond and the rigid coupling on slide bar (20) with joint groove (23), the rigid coupling has fixed spring (22) between the inner wall of joint piece (21) and mounting groove (19), and fixed spring (22) cover is established on slide bar (20).

4. The universal type crank for the substation disconnecting link according to claim 3, characterized in that: the adjusting mechanism comprises a rocker (15), the rocker (15) is rotatably installed between two inner walls of the sliding cavity (16), two thread grooves with opposite rotation directions are symmetrically formed in the rocker (15), the corresponding thread grooves are meshed with the clamping plate (13), and a second knob is fixedly connected to one end of the rocker (15).

5. A universal type crank for a substation disconnecting link according to claim 4, characterized in that: first limiting grooves are formed in the two inner walls of the first sliding groove (17) and the second sliding groove (12) respectively, and first limiting blocks corresponding to the first limiting grooves are fixedly connected to the first installation rod (2) and the second installation rod (10) respectively.

6. The universal type crank for the substation disconnecting link according to claim 5, characterized in that: two inner walls of the sliding cavity (16) are respectively provided with a second limiting groove, and a second limiting block corresponding to the second limiting groove is fixedly connected to the clamping plate (13).

7. The universal type crank for substation disconnecting link according to claim 6 characterized in that: the second connecting rod (11) is provided with anti-skid grains (18).