CN210294476U

CN210294476U - Protection device of circuit breaker dynamic characteristic tester

Info

Publication number: CN210294476U
Application number: CN201920689945.7U
Authority: CN
Inventors: 何香蓉; 何建君; 倪霖
Original assignee: Nanjing Jisen Electric Power Technology Co ltd
Current assignee: Nanjing Jisen Electric Power Technology Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-04-10
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to a protection device of circuit breaker dynamic characteristic tester uses in the power equipment field, and its technical scheme main points are: the testing instrument comprises a handle and a storage box for placing a testing instrument body, wherein an end cover for sealing a box opening is hinged to the storage box through a central shaft, grooves for embedding the end parts of the handle are formed in the side walls of the end cover and the storage box, the handle comprises two symmetrically distributed shells, the two shells are connected through fastening screws, mounting grooves are formed in the opposite sides of the two shells, and clamping grooves are formed in the wall of each groove; both ends of the shell are provided with limiting grooves, and limiting rods are connected in the limiting grooves in a sliding manner; the advantages are that: the direct collision between the circuit breaker dynamic characteristic tester and an external object in the transportation or carrying process is prevented, and the damage condition of the circuit breaker dynamic characteristic tester is reduced.

Description

Protection device of circuit breaker dynamic characteristic tester

Technical Field

The utility model belongs to the technical field of power equipment and specifically relates to a protection device of circuit breaker dynamic characteristic tester is related to.

Background

The dynamic characteristic tester of the circuit breaker is called a high-voltage switch mechanical characteristic tester, a switch mechanical characteristic tester and the like. The dynamic characteristic tester for the circuit breaker is suitable for testing the dynamic characteristics of high-voltage switches on site, and is mainly characterized in that the tester is operated in a man-machine conversation mode by adopting Chinese character prompting, and the Chinese characters display results and print and output, and are suitable for testing the dynamic characteristics of various indoor and outdoor oil-less and oil-more switches, vacuum switches and sulfur hexafluoride switches. The existing dynamic characteristic tester of the circuit breaker is usually a bare machine, and in the actual transportation or carrying process, if the dynamic characteristic tester of the circuit breaker collides with an external object, the dynamic characteristic tester of the circuit breaker is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protection device of circuit breaker dynamic characteristic tester, its advantage: the direct collision between the circuit breaker dynamic characteristic tester and an external object in the transportation or carrying process is prevented, and the damage condition of the circuit breaker dynamic characteristic tester is reduced.

The above technical purpose of the present invention can be achieved by the following technical solutions: a protection device of a dynamic characteristic tester of a circuit breaker comprises a handle and a storage box for placing a tester body, wherein an end cover for sealing a box opening is hinged on the storage box through a central shaft, grooves for embedding the end parts of the handle are formed in the side walls of the end cover and the storage box, the handle comprises two symmetrically distributed shells, the two shells are connected through fastening screws, mounting grooves are formed in the opposite sides of the two shells, and clamping grooves are formed in the groove walls of the two grooves; the two ends of the shell are respectively provided with a limiting groove, limiting rods are connected in the limiting grooves in a sliding mode, the wall of each mounting groove is provided with a baffle, a compression spring is connected between each baffle and each limiting rod, when the compression springs are in a natural state, the limiting rod extends out of the limiting grooves, and the shell is provided with a driving piece for driving the two limiting rods to move simultaneously; when the two ends of the handle are inserted into the corresponding grooves, the clamping grooves correspond to the limiting rods.

By adopting the technical scheme, when the object placing box collides with an external object in the transportation or carrying process, the tester body is protected by the object placing box and the end cover, so that direct rigid contact between the tester body and the external object is prevented, and the possibility that the tester body is damaged is reduced; when the tester body is carried, an operator inserts the two ends of the handle into the grooves, inserts the limiting rods into the clamping grooves, grasps the handle and lifts the storage box; when the tester body needs to be used, an operator drives the two limiting rods to move out of the clamping groove through the driving piece, then the handle is detached, the handle can be used as a carrier for the operator to carry, and can also be used as a part for fixing the end cover, so that the tester is convenient and flexible.

The utility model discloses further set up to: the driving piece comprises a traction rope, a driving block and pulleys, the two ends of the traction rope are connected with corresponding limiting rods after passing through the baffles, the pulleys are arranged in four and are all rotatably connected to the wall of the groove, the pulleys are distributed in a rectangular shape and are corresponding to the two baffles respectively, the traction rope bypasses the pulleys, and a through groove for the driving block to move is formed in the shell.

Through adopting above-mentioned technical scheme, the operator presses the drive block, makes the drive block to leading to the inslot removal, and the haulage rope pulls the gag lever post to removing near the baffle direction under the promotion of drive block for the gag lever post moves into the spacing groove, and is simple and convenient.

The utility model discloses further set up to: and the driving block is provided with a through groove for the traction rope to pass through.

Through adopting above-mentioned technical scheme, the drive block is passed by the haulage rope, has reduced the condition that the drive block drops from leading to the inslot.

The utility model discloses further set up to: and the end part of the limiting rod is provided with a chamfer.

Through adopting above-mentioned technical scheme, the chamfer of setting has reduced the possibility that is hindered by the card slot notch when the gag lever post inserts in the draw-in groove.

The utility model discloses further set up to: the central shaft is sleeved with a torsional spring.

Through adopting above-mentioned technical scheme, the torsional spring is in by the torsional mode when the end cover will put the thing box mouth and close, therefore the operator unloads the back with the handle, and the end cover just opens labour saving and time saving automatically under the elastic force of torsional spring.

The utility model discloses further set up to: the article placing box is characterized in that sliding grooves are formed in two opposite inner walls of the article placing box, a cross rod is connected in the sliding grooves in a sliding mode, a blocking net is connected between the cross rod and the inner walls of the article placing box, and elastic pads are arranged on the cross rod.

Through adopting above-mentioned technical scheme, through arresting net with the tester body restriction put the thing box in, reduced and put the thing box and make the tester body rock owing to jolt in the transportation or carry the in-process, and then lead to the not hard up condition of part connection of this internal tester to take place.

The utility model discloses further set up to: the storage box is provided with a plurality of universal wheels.

Through adopting above-mentioned technical scheme, the universal wheel has made things convenient for the operator to putting the removal of thing box.

The utility model discloses further set up to: and a sealing ring is embedded at one side of the object placing box, which is abutted against the end cover.

Through adopting above-mentioned technical scheme, the sealing washer is in elastic deformation state when the end cover will put thing box mouth and seal, has prevented that external steam from getting into to put the thing box in, has played the further protection to the tester body.

To sum up, the utility model discloses a beneficial technological effect does:

1. the object placing box is matched with the end cover, so that the direct contact between the tester body and an external object is prevented, and the protection effect on the tester body is achieved; the handle can be used as a carrier for an operator to carry, and can also be used as a part for fixing the end cover, so that the structure is flexible;

2. the tester body is restricted in putting the thing box by the arresting barrier, has reduced the tester body and has leaded to inside parts to connect the possibility that becomes flexible to appear owing to rock.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural diagram for embodying the housing and the groove in the present embodiment.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a schematic structural view of the storage box and the end cap according to this embodiment.

Fig. 6 is an enlarged view at C in fig. 5.

In the figure, 1, a handle; 11. a housing; 111. fastening screws; 12. mounting grooves; 13. a limiting groove; 14. a limiting rod; 141. chamfering; 15. a baffle plate; 16. a compression spring; 2. a storage box; 21. a central shaft; 211. a torsion spring; 22. an end cap; 23. a groove; 231. a card slot; 3. a drive member; 31. a hauling rope; 32. a drive block; 321. a through groove; 33. a pulley; 34. a through groove; 4. a chute; 41. a cross bar; 42. a barrier net; 43. an elastic pad; 44. a universal wheel; 45. a seal ring; 5. the tester body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a protection device of circuit breaker dynamic characteristic tester, as shown in fig. 1 and fig. 2, including handle 1 with be used for placing tester body 5 (as in fig. 3) put thing box 2, it has the end cover 22 that is used for sealing the box mouth to articulate through center pin 21 (as in fig. 3) on the thing box 2 to put, the cover is equipped with torsional spring 211 (as in fig. 6) on the jackshaft, handle 1 is Contraband font, when end cover 22 covers and puts 2 box mouths of thing box, end cover 22 with put and all seted up the recess 23 that supplies the embedding of 1 tip of handle on the 2 lateral walls of thing box, draw-in groove 231 has all been seted up on two recess 23 cell walls, when torsional spring 211 is in natural state, end cover 22 with put 2 box mouths of.

As shown in fig. 3 and 4, the handle 1 includes two symmetrically distributed housings 11, the two housings 11 are connected by a fastening screw 111, the two housings 11 are respectively provided with an installation groove 12 at one opposite side, the installation grooves 12 are distributed along the outer contour of the housing 11, both ends of the housing 11 are respectively provided with a limit groove 13, the limit grooves 13 are communicated with the installation grooves 12, a limit rod 14 is slidably connected in the limit grooves 13, when the two shells 11 are butted together, the two limit grooves 13 at the same end of the two shells 11 are combined into a closed rectangular groove, the limit rod 14 slides in the groove, the groove wall of the installation groove 12 is provided with a baffle 15, a compression spring 16 is connected between the baffle 15 and the limit rod 14, when the compression spring 16 is in a natural state, the limit rod 14 partially extends out of the limit groove 13, a chamfer 141 is arranged at the end part of one end of the limiting rod 14 extending out of the limiting groove 13, and a driving piece 3 for driving the two limiting rods 14 to move simultaneously is arranged on the shell 11; when the two ends of the handle 1 are inserted into the corresponding grooves 23, the slots 231 correspond to the limiting rods 14.

As shown in fig. 4, the driving member 3 includes a pulling rope 31, a driving block 32 and pulleys 33, the pulling rope 31 is located in the installation groove 12, and two ends of the pulling rope 31 are connected to the corresponding limit rods 14 after passing through the baffles 15, the number of the pulleys 33 is four and the pulleys 33 are all rotatably connected to the wall of the installation groove 12, the four pulleys 33 are distributed in a rectangular shape, two of the pulleys 33 respectively correspond to two baffles 15, i.e. two rollers are located at two corners of the housing 11 respectively, the other two rollers are close to two ends of the housing 11 respectively, the pulling rope 31 bypasses around the pulleys 33, when the compression spring 16 is in a natural state, the pulling rope 31 is tightened and also in a rectangular shape, the housing 11 is provided with a sliding groove 4 for the driving block 32 to move, the driving block 32 is located between the rollers corresponding to two corners of the housing 11, the driving block 32 is provided with a through groove 321 for, to reduce the separation of the drive block 32 from the pull-cord 31.

The action process is as follows: when the tester body 5 is transported or carried, an operator rotates the end cover 22 to seal the opening of the storage box 2, then holds the handle 1, presses the driving block 32 into the mounting groove 12, and under the driving of the traction rope 31, the two ends of the traction rope respectively pull the corresponding limiting rods 14 to move, so that the end parts of the limiting rods 14 move into the limiting grooves 13, and at the moment, the compression springs 16 are in a compressed state; an operator inserts two ends of the handle 1 into the two grooves 23 respectively, loosens the driving block 32, enables the limiting rod 14 to penetrate out of the limiting groove 13 under the elastic thrust of the compression spring 16 and to be inserted into the clamping groove 231, limits the rotation of the end cover 22, and simultaneously enables the traction rope 31 to be straightened in the process that the limiting rod 14 is inserted into the clamping groove 231, so that the driving block 32 moves back and resets; because tester body 5 is protected in putting thing box 2, the direct impact of tester body 5 with external object in the transportation or carrying process has been obstructed, and then has reduced the impaired condition of tester body 5.

When tester body 5 is taken to needs, the operator grasps handle 1 and presses drive block 32 for the draw-in groove 231 is shifted out to gag lever post 14 tip, unloads handle 1, and end cover 22 just overturns under the elastic force of torsional spring 211 is automatic, will put thing box 2 and open, convenient and fast, and the part is concentrated, and the flexibility is high.

As shown in fig. 3 and 4, the two opposite inner walls of the storage box 2 are both provided with sliding grooves 4, the sliding grooves 4 are connected with cross bars 41 in a sliding manner, a barrier net 42 is connected between the cross bars 41 and the inner walls of the storage box 2, and the cross bars 41 are provided with elastic pads 43; the operator stimulates horizontal pole 41, makes arresting net 42 expand to cover tester body 5, and cushion 43 is in elastic deformation state for there is the interact power between horizontal pole 41 and the 4 cell walls of spout, restricts horizontal pole 41's removal, has reduced tester body 5 and has rocked in putting thing box 2 when transporting or carrying, thereby leads to tester body 5 inner part to connect not hard up the condition to take place easily.

As shown in fig. 5 and 6, be equipped with a plurality of universal wheels 44 (as in fig. 3) on putting the thing box 2, the operator of being convenient for removes and puts thing box 2, puts the thing box 2 simultaneously and inlays on one side that thing box 2 contradicts with end cover 22 and be equipped with sealing washer 45, when the operator rotates end cover 22 and will put thing box 2 and close, has improved end cover 22 and has put the leakproofness between the thing box 2, has reduced the possibility that external steam got into and puts in the thing box 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a protection device of circuit breaker dynamic characteristic tester which characterized in that: the tester comprises a handle (1) and a storage box (2) for placing a tester body (5), wherein the storage box (2) is hinged with an end cover (22) for sealing a box opening through a central shaft (21), the side walls of the end cover (22) and the storage box (2) are respectively provided with a groove (23) for embedding the end part of the handle (1), the handle (1) comprises two symmetrically distributed shells (11), the two shells (11) are connected through a fastening screw (111), the two shells (11) are respectively provided with a mounting groove (12) at one opposite side, and the groove walls of the two grooves (23) are respectively provided with a clamping groove (231); limiting grooves (13) are formed in two ends of the shell (11), limiting rods (14) are connected in the limiting grooves (13) in a sliding mode, baffle plates (15) are arranged on the groove walls of the mounting grooves (12), compression springs (16) are connected between the baffle plates (15) and the limiting rods (14), when the compression springs (16) are in a natural state, the limiting rods (14) partially extend out of the limiting grooves (13), and driving pieces (3) used for driving the two limiting rods (14) to move simultaneously are arranged on the shell (11); when the two ends of the handle (1) are inserted into the corresponding grooves (23), the clamping grooves (231) correspond to the limiting rods (14).

2. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 1, characterized in that: driving piece (3) are including haulage rope (31), drive block (32) and pulley (33), the both ends of haulage rope (31) are passed and are connected with gag lever post (14) that correspond behind baffle (15), pulley (33) quantity is established to four and all rotates and connect on mounting groove (12) cell wall, four pulley (33) are the rectangle and distribute, wherein two pulley (33) are corresponding with two baffle (15) respectively, each pulley (33) is walked around in haulage rope (31), set up logical groove (34) that supply drive block (32) to remove on casing (11).

3. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 2, characterized in that: the driving block (32) is provided with a through groove (321) for the traction rope (31) to pass through.

4. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 3, characterized in that: the end part of the limiting rod (14) is provided with a chamfer (141).

5. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 1, characterized in that: the central shaft (21) is sleeved with a torsion spring (211).

6. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 1, characterized in that: the storage box is characterized in that sliding grooves (4) are formed in two opposite inner walls of the storage box (2), a cross rod (41) is connected to the sliding grooves (4) in a sliding mode, a blocking net (42) is connected between the cross rod (41) and the inner walls of the storage box (2), and elastic pads (43) are arranged on the cross rod (41).

7. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 6, characterized in that: the storage box (2) is provided with a plurality of universal wheels (44).

8. The protection device of the dynamic characteristic tester of the circuit breaker according to claim 7, characterized in that: and a sealing ring (45) is embedded at one side of the object placing box (2) abutting against the end cover (22).