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

Abstract

The utility model discloses a universal rocker used for a substation knife switch, comprising a first installation rod, a second installation rod, a first connecting rod and a second connecting rod, wherein a first connecting rod is provided on the first connecting rod and the first installation rod is slidably installed on the first chute, the second connecting rod is provided with a second chute, the second installation rod is slidably installed on the second chute, the second There are two mounting brackets fixed on the mounting rod. When in use, turn the first knob to make the threaded rod rotate, so that the fixing block is separated from the first fixing groove, and then turn the first mounting rod, which also improves the work efficiency. When the fixing block is clamped with the first fixing groove, the occupied volume is initially reduced, so that the device is initially convenient to carry, and then the clamping mechanism is made to correspond to the clamping groove at the upper end, thereby further reducing the overall volume. Further convenience to carry.

Description

A universal crank handle for substation knife switch

technical field

The utility model relates to the technical field of universal crank handles for substation knife switches, in particular to a universal crank handle for substation knife switches.

Background technique

Substation, where the voltage is changed. In order to transmit the electric energy from the power plant to a distant place, the voltage must be raised to become high-voltage electricity, and the voltage must be lowered as needed near the user. The work of raising and lowering the voltage is done by the substation. The main equipment of a substation are switches and transformers. According to different sizes, the small ones are called substations. Substations are larger than substations. Substation generally refers to step-down substations with voltage levels below 110kV; substations include "boost and step-down" substations of various voltage levels.

For open-type equipment in substations, because there are many types of grounding switches and different models, and in the prior art, the corresponding switches can only be used for specific cranks, and multiple sets of cranks need to be carried during the switching operation. It is easy to be confused between similar cranks, which brings great inconvenience to the operation of the grounding switch, so that the existing cranks are not universal, and the work efficiency is also reduced.

Therefore, it is necessary to design a universal crank handle for the switch of the substation, so as to solve the problems mentioned above.

Utility model content

The purpose of the utility model is to provide a universal crank handle for a substation knife switch, so as to solve the problems raised by the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a universal rocker for substation knife switches, comprising a first installation rod, a second installation rod, a first connecting rod and a second connecting rod, the first A connecting rod is provided with a first chute, and the first installation rod is slidably installed on the first chute, the second connecting rod is provided with a second chute, and the second installation rod is slidably installed on the second On the chute, two mounting brackets are fixedly connected to the second mounting rod, a rotating shaft is rotatably installed between the two mounting brackets, and the first mounting rod is fixedly connected to the rotating shaft, and the second mounting rod is fixed on the rotating shaft. A movable slot is opened, and the movable slot is located between the two mounting brackets, the inner wall of the movable slot is threadedly connected with a threaded rod, the left end of the threaded rod is fixed with a fixed block, and the fixed block is a cylinder, the The right end of the first installation rod is provided with a first fixing groove corresponding to the fixing block, the top of the first installation rod is provided with a second fixing groove corresponding to the fixing block, and the other end of the threaded rod is fixed with a first knob The upper and lower ends of the rear side of the first installation rod and the second installation rod are respectively provided with clamping grooves, and the first connecting rod and the second connecting rod are respectively provided with clamping mechanisms corresponding to the clamping grooves.

Preferably, a docking block is fixedly connected to the left end of the first connecting rod, a rectangular slot is formed on the docking block, two inner walls of the rectangular slot are respectively provided with sliding cavities, and the two sliding cavities are formed between the two sliding cavities. A clamping plate is installed symmetrically and slidingly, and an adjusting mechanism is arranged on the abutting block.

Preferably, the clamping mechanism packs the clamping block, the rear walls of the first chute and the second chute are respectively provided with installation grooves, and slide bars are slidably installed on the rear walls of the installation grooves, so The clamping block corresponds to the clamping groove and is fixed on the sliding rod, a fixing spring is fixedly connected between the clamping block and the inner wall of the installation groove, and the fixing spring is sleeved on the sliding rod.

Preferably, the adjustment mechanism includes a rocker, the rocker is rotatably installed between two inner walls of the sliding cavity, and two thread grooves with opposite rotation directions are symmetrically opened on the rocker, and the corresponding thread grooves Engaged with the clamping plate, one end of the rocker is fixedly connected with a second knob.

Preferably, first limiting grooves are respectively opened on the two inner walls of the first sliding groove and the second sliding groove, and the first mounting rod and the second mounting rod are respectively fixed with the first limiting groove The corresponding first limit block.

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

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

Compared with the prior art, the beneficial effects of the present utility model are:

(1) When in use, turn the first knob to make the threaded rod rotate, so that the fixing block is separated from the first fixing groove, and then turn the first installation rod, so that the first installation rod and the second installation rod are at a 90-degree angle. The fixing block corresponds to the second fixing groove, and the first knob is rotated. Under the action of the threaded rod, the fixing block is clamped to the second fixing groove, so that the first installation rod and the second installation rod are in a vertical state, as shown in Fig. 3 is the state when the first installation rod and the second installation rod are vertical. When the switching operation is to be performed, connect the rectangular slot with the knife switch, and then manually shake the second connecting rod, so as to realize the opening and closing of the grounding knife switch. At the same time, under the action of the moving mechanism, the two clamping plates can be made close to or away from each other, and the two clamping plates can clamp and fix the knife gate. On the one hand, it can be applied to different types of knife switches, such as rectangles, diamonds or hexagons, so that the crank handle is more versatile, and it does not require staff to carry a variety of different types of crank handles, which also improves work efficiency. When not in use, the fixing block is clamped with the first fixing groove, thereby reducing the occupied volume and making it easier to carry the device. Then, the clamping mechanism is made to correspond to the clamping groove at the upper end, thereby further reducing the overall size of the device. The volume is further convenient to carry.

Description of drawings

1 is a schematic plan view of the utility model;

2 is a sectional view of the utility model;

3 is a schematic plan view of the utility model when the first installation rod and the second installation rod are vertical;

4 is a side sectional view of the second installation rod and the second connecting rod of the present invention;

Figure 5 is a side sectional view of the docking block of the present invention;

Fig. 6 is the top view of the utility model;

FIG. 7 is an enlarged structural schematic diagram of A in FIG. 4 of the present invention.

In the figure: 1, the first connecting rod; 2, the first installation rod; 3, the rotating shaft; 4, the second fixing slot; 5, the first fixing slot; 6, the fixing block; 7, the mounting frame; 9, threaded rod; 10, second installation rod; 11, second connecting rod; 12, second chute; 13, clamping plate; 14, docking block; 15, rocker; 16, sliding cavity; 17, first 1. Chute; 18. Anti-skid pattern; 19. Installation groove; 20. Slide bar; 21. Snap block; 22, Fixed spring;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-7 , the present utility model provides a technical solution: a universal rocker for a substation knife switch, comprising a first installation rod 2 , a second installation rod 10 , a first connecting rod 1 and a second Connecting rod 11, the first connecting rod 1 is provided with a first chute 17, and the first mounting rod 2 is slidably mounted on the first chute 17, the second connecting rod 11 is provided with a second chute 12, the second The mounting rod 10 is slidably mounted on the second chute 12, and two mounting brackets 7 are fixedly connected to the second mounting rod 10, the rotating shaft 3 is rotatably installed between the two mounting brackets 7, and the first mounting rod 2 is fixedly connected to the On the rotating shaft 3, the second installation rod 10 is provided with a movable groove 8, and the movable groove 8 is located between the two mounting brackets 7. The inner wall of the movable groove 8 is threadedly connected with a threaded rod 9, and the left end of the threaded rod 9 is fixedly connected with a threaded rod 9. The fixing block 6, and the fixing block 6 is a cylinder, the right end of the first installation rod 2 is provided with a first fixing groove 5 corresponding to the fixing block 6, and the top of the first installation rod 2 is provided with a second corresponding to the fixing block 6. The fixing groove 4 is fixed, and the other end of the threaded rod 9 is fixed with a first knob. The connecting rod 11 is 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 docking block 14 , the docking block 14 is provided with a rectangular groove 24 , and two inner walls of the rectangular groove 24 are Sliding cavities 16 are respectively opened, a clamping plate 13 is installed symmetrically between the two sliding cavities 16, and an adjusting mechanism is arranged on the docking block 14. When in use, turn the first knob to make the threaded rod 9 rotate, so that the fixed block 6. Disengage the first fixing slot 5, and then rotate the first installation rod 2, so that the first installation rod 2 and the second installation rod 10 are at a 90-degree angle. At this time, the fixing block 6 corresponds to the second fixing slot 4, and rotate the first The knob, under the action of the threaded rod 9, makes the fixing block 6 snap into the second fixing groove 4, so that the first installation rod 2 and the second installation rod 10 are in a vertical state, and FIG. 3 is the first installation rod 2 When the state is perpendicular to the second installation rod 10, when the switch is to be reversed, the rectangular slot 24 is connected to the knife switch, and then the second connecting rod 11 is manually shaken, so as to realize the opening and closing of the grounding knife switch, while moving Under the action of the mechanism, the two clamping plates 13 can be made close to each other or away from each other, and the two clamping plates 13 can be clamped and fixed to the knife gate. , can be applied to different types of knife switches, such as rectangle, diamond or hexagon, so that this crank handle is more versatile, it does not require staff to carry a variety of different types of crank handles, and also improves work efficiency. During use, the fixing block 6 is clamped with the first fixing groove 5, thereby reducing the occupied volume and making it easier to carry the device, and then making the clamping mechanism correspond to the clamping groove 23 at the upper end, thereby further reducing the size of the device. The overall volume is further convenient to carry.

The clamping mechanism includes the clamping block 21. The rear walls of the first chute 17 and the second chute 12 are respectively provided with installation grooves 19, and the rear wall of the installation groove 19 is slidably installed with a sliding rod 20, and the clamping block 21 Corresponding to the clamping groove 23 and fixed on the sliding rod 20, a fixed spring 22 is fixed between the clamping block 21 and the inner wall of the installation groove 19, and the fixed spring 22 is sleeved on the sliding rod 20, and the sliding rod 20 is pulled. , so that the clamping block 21 is separated from the clamping groove 23 at the lower end, and then the second installation rod 10 is slid so that the clamping groove 23 at the upper end corresponds to the clamping block 21 . Stability for easy portability.

The adjustment mechanism includes a rocker 15, which is rotatably installed between the two inner walls of the sliding cavity 16. The rocker 15 is symmetrically provided with two thread grooves with opposite directions of rotation, and the corresponding thread grooves are engaged with the clamping plate 13. One end of the rocker 15 is fixed with a second knob, and by turning the second knob, the rocker 15 is rotated, and under the action of two thread grooves with opposite directions of rotation, the two clamping plates 13 are moved, which can move away from each other or approach and clamp it in place.

The two inner walls of the first chute 17 and the second chute 12 are respectively provided with first limiting grooves, and the first mounting rod 2 and the second mounting rod 10 are respectively fixed with a second limiting groove corresponding to the first limiting groove. A limit block is used to limit the first installation rod 2 and the second installation rod 10 .

Two inner walls of the sliding cavity 16 are respectively provided with second limiting grooves, and the clamping plate 13 is fixed with a second limiting block corresponding to the second limiting groove, which further increases the stability of the clamping plate 13 .

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

Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (7)

1. A universal rocker for a substation knife switch, characterized in that it comprises a first mounting rod (2), a second mounting rod (10), a first connecting rod (1) and a second connecting rod (11) ), the first connecting rod (1) is provided with a first sliding groove (17), and the first mounting rod (2) is slidably installed on the first sliding groove (17), and the second connecting rod (11) ) is provided with a second chute (12), the second mounting rod (10) is slidably mounted on the second chute (12), and two mounting brackets are fixed on the second mounting rod (10). (7), a rotating shaft (3) is rotatably installed between the two mounting brackets (7), and the first mounting rod (2) is fixed on the rotating shaft (3), and the second mounting rod (10) is fixed on the rotating shaft (3). A movable groove (8) is provided, and the movable groove (8) is located between the two mounting brackets (7). The inner wall of the movable groove (8) is threadedly connected with a threaded rod (9), and the threaded rod (9) A fixing block (6) is fixedly connected to the left end of the ), and the fixing block (6) is a cylinder, and the right end of the first installation rod (2) is provided with a first fixing groove (5) corresponding to the fixing block (6). , the top of the first installation rod (2) is provided with a second fixing groove (4) corresponding to the fixing block (6), and the other end of the threaded rod (9) is fixed with a first knob, the first The upper and lower ends of the rear side of the installation rod (2) and the second installation rod (10) are respectively provided with clamping grooves (23), and the first connecting rod (1) and the second connecting rod (11) are respectively provided with The clamping mechanism corresponding to the clamping groove (23). 2. A universal crank handle for a substation knife switch according to claim 1, characterized in that: a docking block (14) is fixedly connected to the left end of the first connecting rod (1), and the docking block A rectangular groove (24) is provided on the (14), two inner walls of the rectangular groove (24) are respectively provided with sliding cavities (16), and a clamping device is symmetrically slidably installed between the two sliding cavities (16). The plate (13) is provided with an adjustment mechanism on the docking block (14). 3 . The universal crank handle for a substation knife switch according to claim 2 , wherein the clamping mechanism includes a clamping block ( 21 ), the first chute ( 17 ) and the Installation grooves (19) are respectively opened on the rear wall of the second chute (12), and a sliding rod (20) is slidably installed on the rear wall of the installation groove (19). The connecting groove (23) corresponds to and is fixed on the sliding rod (20), a fixing spring (22) is fixedly connected between the clamping block (21) and the inner wall of the installation groove (19), and the fixing spring (22) It is sleeved on the sliding rod (20). 4. A universal rocker for a substation knife switch according to claim 3, characterized in that: the adjustment mechanism comprises a rocker (15), and the rocker (15) is rotatably installed in the sliding cavity (15). 16) between the two inner walls, the rocker (15) is symmetrically provided with two thread grooves with opposite directions of rotation, the corresponding thread grooves are engaged with the clamping plate (13), the rocker (15) ) is fixed with a second knob at one end. 5 . A universal crank handle for a substation knife switch according to claim 4 , characterized in that: two inner walls of the first chute (17) and the second chute (12) are respectively provided with There is a first limit slot, and first limit blocks corresponding to the first limit slot are respectively fixed on the first installation rod (2) and the second installation rod (10). 6 . The universal crank handle for a substation knife switch according to claim 5 , wherein the two inner walls of the sliding cavity ( 16 ) are respectively provided with second limiting grooves, and the clamping A second limit block corresponding to the second limit groove is fixed on the holding plate (13). 7 . The universal crank handle for a substation knife switch according to claim 6 , wherein the second connecting rod ( 11 ) is provided with an anti-skid pattern ( 18 ). 8 .

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