CN210681577U

CN210681577U - Protective device of relay protection tester

Info

Publication number: CN210681577U
Application number: CN201921582316.0U
Authority: CN
Inventors: 宗标
Original assignee: Beijing Xingnan Electrical Engineering Co Ltd
Current assignee: Beijing Xingnan Electrical Engineering Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-05
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a protection device of relay protection tester, its technical scheme main points are: including the guard box that is used for placing the relay protection tester, characterized by: the protection box comprises a box body and a box cover, wherein one end of the box cover is hinged to the side wall of the box body, the other end of the box cover is fixed to the box body through a buckle, the buckle comprises a fixed block fixed to the cover plate and a connecting piece fixedly arranged on the side wall of the box body and connected with the fixed block, and a lifting assembly convenient for a worker to take out the relay protection tester is arranged in the box body. The utility model has the advantages that: the operation of staff is convenient.

Description

Protective device of relay protection tester

Technical Field

The utility model relates to a power equipment field, concretely relates to protection device of relay protection tester.

Background

The distance is far away between the substation equipment, and the staff need transport the relay protection tester to between each transformer substation when carrying out the relay protection tester and testing, and the relay protection tester is heavier, overhauls different substation equipment when, and the transport of continuation can cause great work load.

Chinese utility model patent that grant bulletin number is CN204137052U discloses a multi-functional relay protection tester guard box, including case main part and support, the case main part includes bottom plate, curb plate, roof, qianmen and back door, the bottom plate below sets up the truckle, the bottom plate front end sets up the pull rod, the pull rod front end sets up the handle, the curb plate sets up portable handle, the qianmen bottom sets up the front door axle, the qianmen passes through the front door axle with the bottom plate coupling is in the same place, the qianmen top sets up the padlock, the roof front end sets up the cramp, the qianmen with the roof lock is in the same place, the back door sets up rotatable power jack baffle and louvre, the roof top sets up the support, the support upper end sets up the interlayer, the inside shockproof setting of case main part is taken precautions against earthquake. However, as the integration level of the existing relay protection tester is higher, the functions are more complete, and more jacks, functional keys, operation panels and the like are provided, so that the relay protection tester needs to be taken out of a box for use when in use, which is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protection device of relay protection tester, its advantage is convenient for staff's operation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a protection device of relay protection tester, includes the guard box that is used for placing the relay protection tester, the guard box includes case body and one end and case body lateral wall articulated case lid, the other end of case lid is fixed with the buckle that passes through of case body, the buckle including fix on the apron fixed block with fixed set up at case body lateral wall and with the connecting piece that the fixed block is connected, this internal lifting unit who is convenient for the staff and takes out the relay protection tester that is provided with of case.

Through the technical scheme, when the multifunctional relay protection tester is used, because the relay protection tester in the prior art is more, and possibly an operation key and an output port occupy two operation panels (such as the relay protection tester with the model of KSJB-300), the box cover of the protection box is hinged with the box body, so that the upper panel of the relay protection tester is opened, the lifting assembly convenient for a worker to take out the relay protection tester is arranged in the box body, and the relay protection tester can be used only by jacking the box body through the lifting assembly. Meanwhile, the fixing block of the buckle is fixed on the box cover, and the connecting piece is fixed on the side wall of the box body, so that after the box cover is closed, the box cover is stably fixed on the box body through the buckle, and the relay protection tester is stably fixed in the box body.

The utility model discloses further set up to: the lifting component comprises a top plate for placing the relay protection tester, two scissor-type supports which are arranged in parallel are arranged between the top plate and the bottom wall of the box body, the scissor type support is formed by a first connecting rod and a second connecting rod which are hinged to each other in the middle to form an X shape, the upper end and the lower end of the first connecting rod and the second connecting rod are respectively connected with a top plate and a bottom wall of a box body through mounting rods, the end portion of the first connecting rod is hinged to the side wall of the mounting rod on the bottom wall of the box body, the other end of the first connecting rod is connected with the mounting rod on the top plate in a sliding mode, the end portion of the second connecting rod is hinged to the side wall of the mounting rod on the bottom wall of the box body, the other end of the second connecting rod is connected with the mounting rod on the top plate in a sliding mode, a connecting rod is fixedly connected between the end portions of the two opposite first connecting rods and the second connecting rod.

Through above-mentioned technical scheme, the lifting unit during operation, staff's accessible drive assembly makes two connecting rods that are located case body diapire move in opposite directions, because the second connecting rod slides with the lateral wall of installation pole and is connected, so move to the direction of first connecting rod for the connecting rod on the second connecting rod. Simultaneously, first connecting rod and second connecting rod are articulated at both middle parts thereof, so when two tip were close to each other under drive assembly's drive about first connecting rod and second connecting rod, first connecting rod and second connecting rod can be with the inside that the roof pushed up out the case body to with the inside that the relay protection tester pushed up out the case body, the staff of being convenient for operates.

The utility model discloses further set up to: the drive assembly comprises a screw rod arranged in the middle of the connecting rod and a drive motor driving the screw rod to rotate, one end of the screw rod is rotatably connected with the connecting rod at the end part of the first connecting rod, and the other end of the screw rod penetrates through the connecting rod at the end part of the second connecting rod and is in threaded connection with the connecting rod.

Through above-mentioned technical scheme, the drive assembly during operation, the staff can open driving motor, and the rotation of motor and then drive the screw rod and rotate, because the one end of screw rod and the connecting rod threaded connection of second connecting rod tip, so can drive the connecting rod of second connecting rod tip and move towards the connecting rod of first connecting rod tip, and then hold the roof out of the case body. The lifting and lowering of the top plate are realized by the forward rotation and the reverse rotation of the driving motor.

The utility model discloses further set up to: one end of the screw rod penetrating through the connecting rod at the end part of the second connecting rod is fixedly connected with a limiting block for limiting the connecting rod to slip off the end part of the screw rod.

Through above-mentioned technical scheme, the setting of stopper can be with the connecting rod restriction of second connecting rod tip on the screw rod for the stability of reinforcing device.

The utility model discloses further set up to: the side wall of the mounting rod is provided with a sliding groove, and the end parts of the first connecting rod and the second connecting rod, which are positioned on the same vertical surface, are fixedly connected with sliding blocks matched with the sliding groove.

Through above-mentioned technical scheme, the mutual cooperation of spout and slider for first connecting rod and second connecting rod are more smooth and easy with sliding of installation pole.

The utility model discloses further set up to: the case cover is provided with a handle.

Through above-mentioned technical scheme, when closing the case lid, both portable guard box through carrying the pull handle.

The utility model discloses further set up to: the case body is provided with a pull rod mechanism on the side wall deviating from the case cover, and the case body is provided with universal wheels on the side wall deviating from the connecting piece.

Through above-mentioned technical scheme, the setting of pull rod mechanism and pulley has more laborsaving characteristics when removing to, the universal wheel setting deviates from the lateral wall of connecting piece at the case body, and when normal work, the universal wheel can not contact with ground, produces the influence.

The utility model discloses further set up to: the pull rod mechanism comprises two parallel hollow sleeves fixed on the lower surface of the bottom plate and a pull rod connected with the hollow sleeves in a sliding mode.

Through the technical scheme, the pull rod mechanism is telescopic, is convenient to retract, saves occupied space, is directly contacted with the ground through the hollow sleeve, enables the protection box to have a certain distance with the ground, and further protects the internal detector.

To sum up, the utility model discloses following beneficial effect has:

the operation of workers is facilitated, the relay protection tester can be stably protected in the protection box, and meanwhile, when the relay protection tester is used, the relay protection tester can be integrally jacked out of the protection box through the lifting assembly without being taken out by the workers, so that the operation is facilitated;

second, simple structure, it is convenient to remove, through setting up universal wheel and pull rod mechanism, the staff of being convenient for transports the relay protection tester, reduces staff's labor consumption, and the practicality is stronger.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of detail A of FIG. 1;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the working state of the present invention;

fig. 5 is a schematic view of the overall structure of the lifting assembly during operation of the present invention.

In the figure, 1, a protection box; 11. a tank body; 111. a universal wheel; 12. a box cover; 121. a handle; 13. buckling; 131. a fixed block; 132. a connecting member; 14. a pull rod mechanism; 141. a hollow sleeve; 142. a pull rod; 2. a lifting assembly; 21. a top plate; 22. a scissor-type stand; 221. a first link; 222. a second link; 23. mounting a rod; 24. a slider; 25. a chute; 3. a connecting rod; 4. a drive assembly; 41. a screw; 411. a limiting block; 42. the motor is driven.

Detailed Description

Example (b): a protection device of a relay protection tester is shown in figures 1 and 2 and comprises a protection box 1 for placing the relay protection tester. The protection box 1 comprises a box body 11 and a box cover 12, one end of the box cover 12 is hinged to the side wall of the box body 11, and the other end of the box cover 12 is fixed to the box body 11 through a buckle 13. The buckle 13 includes a fixing block 131 fixed on the cover plate and a connecting member 132 fixedly disposed on the sidewall of the box body 11 and connected to the fixing block 131. Thus, when the cover plate is fixed to the case body 11, the whole protection case 1 can be fixed, and the whole fixation is more stable. Two universal wheels 111 are fixedly connected to the side wall of the box body 11 so as to facilitate the movement of the box body 11. The bottom wall of the box body 11 is provided with a pull rod mechanism 14, and the pull rod mechanism 14 includes two parallel hollow sleeves 141 fixedly arranged on the bottom wall of the box body 11 and a pull rod 142 embedded in the hollow sleeves 141 and capable of sliding along the hollow sleeves 141, so that the box body 11 has the characteristic of being convenient to carry. The cover plate is also fixedly connected with a handle 121, and when the universal wheel 111 is inconvenient to slide in special terrains, the protection box 1 can be lifted through the handle 121.

As shown in fig. 3, a lifting assembly 2 is arranged in the box body 11, and is convenient for the worker to take out the relay protection tester. The lifting assembly 2 comprises a top plate 21 for placing the relay protection tester, the top plate 21 is arranged in parallel with the side wall of the box body 11, and two scissor type supports 22 which are arranged in parallel relatively are arranged between the top plate 21 and the bottom wall of the box body 11. The scissor type bracket 22 is formed by a first connecting rod 221 and a second connecting rod 222 which are hinged with each other at the middle part to form an X shape, the upper end and the lower end of the first connecting rod 221 and the second connecting rod 222 are respectively connected with the top plate 21 and the bottom wall of the box body 11 through mounting rods 23, the mounting rods 23 are fixedly connected with the top plate 21 or the bottom wall of the box body 11, and the two opposite mounting rods 23 are arranged in parallel with each other. The end of the first connecting rod 221 is hinged to the side wall of the mounting rod 23 on the bottom wall of the box body 11, a sliding block 24 is fixedly connected to the other end of the first connecting rod 221 and the side wall of the top plate 21, which is in mutual contact with the mounting rod 23, vertically, a sliding groove 25 matched with the sliding block 24 is formed in the mounting rod 23, the sliding groove 25 is arranged along the length direction of the mounting rod 23, and the size of the sliding groove 25 is smaller than that of the mounting rod 23. The end of the second connecting rod 222 is hinged to the side wall of the mounting rod 23 on the top plate 21, the hinge point and the sliding groove 25 are located on the same horizontal plane, the other end of the second connecting rod 222 is connected with the side wall of the mounting rod 23 on the bottom wall of the box body 11 in a sliding manner, and the structure of the second connecting rod 222 is the same as that of the first connecting rod 221 and the mounting rod 23, and the description is omitted here. A connecting rod 3 is fixedly connected between the end parts of the two opposite first connecting rods 221 and the second connecting rod 222, and a driving component 4 for driving the two connecting rods 3 to be close to each other is arranged between the two connecting rods 3 on the bottom wall of the box body.

As shown in fig. 4 and 5, the driving assembly 4 includes a screw 41 disposed at a middle position of the connecting rod 3 and a driving motor 42 for rotating the screw 41. One end of the screw rod 41 is rotatably connected to the connecting rod 3 at the end of the first link 221, and the other end of the screw rod 41 passes through the connecting rod 3 at the end of the second link 222 and is threadedly connected to the connecting rod 3. One end of the screw rod 41 is fixedly connected with a limit block 411 for limiting the connecting rod 3 to slip off the end part of the screw rod 41, and an output shaft of the driving motor 42 passes through the side wall of the connecting rod 3 and is coaxially and fixedly connected with the end part of the screw rod 41, which is positioned on the first connecting rod 221.

The during operation of drive assembly 4, the staff can open driving motor 42, the rotation of driving screw 41 is then driven through driving motor 42's rotation, the rotation of screw 41 can drive connecting rod 3 on the second connecting rod 222 and carry out the relative motion towards connecting rod 3 of first connecting rod 221 tip along the length direction of spout 25, thereby with the inside of roof 21 liftout box body 11, through the corotation and the reversal of driving motor 42, realize the rising and the decline of roof 21, thereby realize being convenient for the staff and use the purpose of relay protection tester.

The working process is as follows: the universal wheel 111 and the pull rod 142 of staff's accessible protection box 1 lateral wall transport protection box 1 to the transformer substation, place protection box 1 and open buckle 13 behind ground, open case lid 12 through handle 121 afterwards, open driving motor 42 after that, the rotation through driving motor 42 drives screw 41's rotation then, screw 41's rotation can drive connecting rod 3 on the second connecting rod 222 and carry out the motion in opposite directions towards the connecting rod 3 of first connecting rod 221 tip along the length direction of spout 25, thereby hold the inside of case body 11 with roof 21 top, the staff of being convenient for operates, after the test is accomplished, through driving motor 42's reversal, realize the decline of roof 21, thereby protect the relay protection tester in protection box 1.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a protection device of relay protection tester, includes protection box (1) that is used for placing the relay protection tester, characterized by: protection case (1) is including case body (11) and one end and case body (11) lateral wall articulated case lid (12), the other end of case lid (12) is fixed with buckle (13) that pass through of case body (11), buckle (13) including fix fixed block (131) on the apron with fixed set up at case body (11) lateral wall and with connecting piece (132) that fixed block (131) are connected, be provided with in case body (11) and be convenient for the staff to take out lifting unit (2) of relay protection tester.

2. The protection device of the relay protection tester as claimed in claim 1, wherein: the lifting component (2) comprises a top plate (21) used for placing a relay protection tester, two shear type supports (22) which are arranged in parallel relatively are arranged between the top plate (21) and the bottom wall of the box body (11), the shear type supports (22) are formed by a first connecting rod (221) and a second connecting rod (222) which are hinged to each other in the middle to form an X shape, the upper end and the lower end of the first connecting rod (221) and the lower end of the second connecting rod (222) are respectively connected with the top plate (21) and the bottom wall of the box body (11) through mounting rods (23), the end part of the first connecting rod (221) is hinged to the side wall of the mounting rod (23) on the bottom wall of the box body (11), the other end of the first connecting rod (221) is connected with the mounting rod (23) on the top plate (21) in a sliding manner, the end part of the second connecting rod (222) is hinged to the side wall of the mounting rod (23) on the bottom wall of the box body (11), and the other end of the, the end parts of the two opposite first connecting rods (221) and the second connecting rods (222) are fixedly connected with connecting rods (3), and a driving assembly (4) for driving the two connecting rods to be close to each other is arranged between the two connecting rods (3) on the bottom wall of the box body.

3. The protection device of the relay protection tester as claimed in claim 2, wherein: drive assembly (4) are including setting up screw rod (41) and drive screw rod (41) pivoted driving motor (42) in connecting rod (3) middle part position, the one end of screw rod (41) is rotated with connecting rod (3) of first connecting rod (221) tip and is connected, and the other end of screw rod (41) passes connecting rod (3) of second connecting rod (222) tip and with connecting rod (3) threaded connection.

4. The protection device of the relay protection tester as claimed in claim 3, wherein: one end of the screw rod (41) penetrating through the end connecting rod (3) of the second connecting rod (222) is fixedly connected with a limiting block (411) for limiting the connecting rod (3) to slip off the end of the screw rod (41).

5. The protection device of the relay protection tester as claimed in claim 4, wherein: the side wall of the mounting rod (23) is provided with a sliding groove (25), and the end parts of the first connecting rod (221) and the second connecting rod (222) on the same vertical surface are fixedly connected with sliding blocks (24) matched with the sliding groove (25).

6. The protection device of the relay protection tester as claimed in claim 1, wherein: the box cover (12) is provided with a handle (121).

7. The protection device of the relay protection tester as claimed in claim 1, wherein: the box is characterized in that a pull rod mechanism (14) is arranged on the side wall of the box body (11) departing from the box cover (12), and universal wheels (111) are arranged on the side wall of the box body (11) departing from the connecting piece (132).

8. The protection device of the relay protection tester as claimed in claim 7, wherein: the pull rod mechanism (14) comprises two parallel hollow sleeves (141) fixed on the lower surface of the bottom plate and a pull rod (142) connected with the hollow sleeves (141) in a sliding manner.