Relay protection test wire box

Abstract

The utility model discloses a relay protection test wire box, and relates to the technical field of electric power. The test wire box comprises a test wire box body, a seat body is movably arranged in the test wire box body, a screw rod is rotatably connected in the test wire box body through a bearing, the upper end of the screw rod is screwed into the seat body in a threaded mode, and a driven gear is fixedly connected to the lower end of the screw rod in a sleeved mode. A rotating rod is rotationally connected to the portion, on the front side of the driven gear, of the test wire box body through a bearing, the rear end of the rotating rod is fixedly sleeved with a driving gear, the driving gear is in meshed connection with the driven gear, the front end of the rotating rod is fixedly connected with a crank handle, and a left cavity is formed in one side of the base. According to the utility model, the multimeter placing groove is obliquely arranged, and the multimeter is placed in the multimeter placing groove, so that a person can conveniently check the reading on the display screen of the multimeter which is obliquely arranged without holding the multimeter by hand, and therefore, the double-hand operation test of a tester can be realized, and the operation is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power, in particular to a relay protection test line box. Background Art

[0002] Equipment inspection involves a lot of test wiring work, but currently, due to various drawbacks of the wire packages used by the test team on site, it not only affects the efficiency of the inspection work, but also takes up the power outage time of the equipment, and may also leave safety hazards for the safe operation of the equipment. After searching, the patent with application number 201821965317.9 discloses a relay protection test wire box, including a box body and a box cover, a lining made of hard sponge is provided in the box body, and the lining is provided with slots for placing wires and equipment, and an elastic band is provided on the inner side of the box cover, and the two ends of the elastic band are fixed to the inner side of the box cover, and the elastic band is used to place the wire clamp.

[0003] However, in actual use, the applicant found that during the relay protection test, since the multimeter was placed directly on the ground, it was inconvenient for the test personnel to check the indications on the multimeter. In this way, the personnel needed to hold the multimeter and tilt it to check the indications on it. When the test operation was required, the multimeter was placed on the ground. In this way, the test personnel needed to frequently pick up and put down the multimeter, which was not convenient enough. In view of this, we proposed a relay protection test line box. Utility Model Content

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model discloses a relay protection test line box, comprising a test line box body, a seat body is movably arranged inside the test line box body, a screw is rotatably connected to the inside of the test line box body through a bearing, the upper end of the screw is threaded into the seat body, and the lower end of the screw is sleeved and fixed with a driven gear, a rotating rod is rotatably connected to the test line box body on the front side of the driven gear through a bearing, a driving gear is sleeved and fixed at the rear end of the rotating rod, and the driving gear is meshed and connected with the driven gear, a hand crank is fixedly connected to the front end of the rotating rod, a left cavity is opened on one side of the seat body, a wiring harness placement groove is arranged in the left cavity, and the wiring harness placement grooves in the left cavity are arranged side by side at equal intervals in the front and rear directions, and the wiring harness placement grooves at the four locations are arranged side by side at equal intervals. The slots are, from front to back, a ground wire slot, a current wire slot, a voltage wire slot and a measuring wire slot; a right cavity is provided on the other side of the seat body, a tool slot is provided in the right cavity, a large wire clamp slot and a small wire clamp slot are provided on the front side of the test wire box body, an inclined surface is provided on the seat body above the large wire clamp slot and the small wire clamp slot, and a multimeter slot is provided on the inclined surface, a closed plate is slidably connected to the inclined surface of the seat body, the closed plate moves along the limiting slide groove provided on the seat body, a push-pull portion is provided on the top of the seat body, a locking bolt is threadedly screwed on the top of the seat body away from the push-pull portion, one end of the locking bolt threadably penetrates the closed plate and abuts against the seat body.

[0006] Preferably, a base is fixedly connected to the bottom of the test line box body.

[0007] Preferably, movable wheels are fixedly connected to the four corners of the bottom of the base.

[0008] Preferably, a handle is fixedly provided on the top of the seat body, a limiting slider is provided on the bottom of the seat body, and the limiting slider moves along a limiting slide groove provided on the inner wall of the test line box.

[0009] Preferably, four harness placement slots in the left cavity are arranged side by side at equal intervals in the front-to-back direction, and the four harness placement slots are, from front to back, a ground wire placement slot, a current wire placement slot, a voltage wire placement slot, and a measurement wire placement slot.

[0010] Preferably, the right cavity on the seat body is provided with four locations at equal intervals from top to bottom, and each of the right cavities is provided with two tool placement grooves.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a relay protection test line box. By tilting a multimeter placement slot and placing the multimeter in the multimeter placement slot, a person can conveniently check the indications on the tilted multimeter display screen without the need for the person to hold the multimeter. In this way, the test person can operate the test with both hands, which is more convenient. Through the arranged moving wheels, the test line box can be directly dragged to move with the person according to the change of the test position during the relay protection test. There is no need to move it manually, which is more labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 It is a left-side structural schematic diagram of a relay protection test line box of the utility model;

[0015] Figure 2 It is a right side structural schematic diagram of a relay protection test line box of the utility model;

[0016] Figure 3 It is a structural schematic diagram of a relay protection test line box of the utility model after the seat body is retracted into the test line box;

[0017] Figure 4 The utility model is a schematic diagram of the internal structure of a relay protection test line box.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Test line box body; 2. Base body; 21. Left cavity; 22. Wire harness placement slot; 23. Handle; 24. Multimeter placement slot; 25. Large wire clip placement slot; 26. Small wire clip placement slot; 27. Right cavity; 28. Tool placement slot; 3. Sealed plate; 31. Push-pull part; 32. Locking bolt; 4. Base; 5. Screw; 51. Driven gear; 6. Turnbar; 61. Driving gear; 62. Hand crank; 7. Moving wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in 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.

[0021] See also Figure 1-4 As shown, the utility model provides a technical solution:

[0022] Embodiment 1: A relay protection test line box comprises a test line box body 1, a seat body 2 is movably provided inside the test line box body 1, a handle 23 is fixedly provided on the top of the seat body 2, a limit slider is provided at the bottom of the seat body 2, and the limit slider moves along the limit slide groove provided on the inner wall of the test line box body 1, a screw rod 5 is rotatably connected to the inside of the test line box body 1 through a bearing, the upper end of the screw rod 5 is threaded into the seat body 2, and the lower end of the screw rod 5 is sleeved and fixed with a driven gear 51, a rotating rod 6 is rotatably connected to the test line box body 1 on the front side of the driven gear 51 through a bearing, a driving gear 61 is sleeved and fixed at the rear end of the rotating rod 6, and the driving gear 61 is meshed and connected with the driven gear 51, and a hand crank 62 is fixedly connected to the front end of the rotating rod 6, A left cavity 21 is provided on one side of the seat body 2, and a harness placement slot 22 is provided in the left cavity 21. Four harness placement slots 22 in the left cavity 21 are arranged side by side at equal intervals in the front and rear directions. The four harness placement slots 22 are, from front to back, a grounding wire placement slot, a current wire placement slot, a voltage wire placement slot, and a measuring wire placement slot. The four harness placement slots 22 are used to place the grounding wire, the current wire, the voltage wire, and the measuring wire, respectively. A right cavity 27 is provided on the other side of the seat body 2, and a tool placement slot 28 is provided in the right cavity 27. Four right cavities 27 on the seat body 2 are evenly spaced from top to bottom, and two tool placement slots 28 are provided in each right cavity 27. The tool placement slots 28 are used to place various wrenches and screwdrivers for relay protection tests. The test wire box body 1 is provided with a large wire clamp placement slot 25 and a small wire clamp placement slot 26 on the front side, an inclined surface is provided on the base body 2 above the large wire clamp placement slot 25 and the small wire clamp placement slot 26, and a multimeter placement slot 24 is provided on the inclined surface, the multimeter placement slot 24 is used to place the multimeter, and by placing the multimeter in the inclined multimeter placement slot 24, it is convenient for the tester to check the readings on the multimeter without the need for the tester to hold the multimeter, so that the tester can operate the test with both hands, a closed plate 3 is slidably connected to the inclined surface of the base body 2, the closed plate 3 moves along the limiting slide groove provided on the base body 2, and the setting of the closed plate 3 is used to achieve the sealing of the multimeter placement slot 24, which can be completed after the test. After that, the multimeter placed in the multimeter placement slot 24 is protected, a push-pull portion 31 is provided on the top of the seat body 2, and a locking bolt 32 is threadedly screwed on the top of the seat body 2 away from the push-pull portion 31. One end of the locking bolt 32 is threadedly inserted through the sealing plate 3 and abuts against the seat body 2. By tightening the locking bolt 32, the position of the sealing plate 3 can be locked. When conducting a relay protection test, the test line box can be carried to the test position by hand with the handle 23, and then the hand crank 62 is manually rotated clockwise to drive the rotating rod 6 to rotate. The rotation of the rotating rod 6 can drive the driving gear 61 to rotate, and the rotation of the driving gear 61 can drive the driven gear 51 to rotate together with the screw 5. At this time, the rotation of the screw 5 can drive the seat body 2 to move upward to the highest position.You can manually take out the ground wire, current wire, voltage wire and measuring wire from the four harness placement slots 22, take out the large wire clamp from the large wire clamp placement slot 25, take out the small wire clamp from the small wire clamp placement slot 26, and take out wrenches and screwdrivers from the tool placement slot 28 to perform relay protection test operations. You can loosen the locking bolt 32, manually move the sealing plate 3 to the right to the right, and tighten the locking bolt 32 again to lock the sealing plate 3. At this time, the multimeter placement slot 24 can be displayed to the outside, and the test personnel can easily view the values ​​on the tilted multimeter display without the need for personnel to hold the multimeter.

[0023] Embodiment 2: The difference between this embodiment and embodiment 1 is that, the bottom of the test line box body 1 is fixedly connected to a base 4, and moving wheels 7 are fixedly connected at the four corner positions of the bottom of the base 4, which are used to facilitate personnel to drag the test line box. There is no need for personnel to manually carry the test line box back and forth at the relay protection test site, which is more labor-saving. During the relay protection test, personnel can directly drag the test line box to move with the personnel according to the changes in the test position, without the need to move it manually.

[0024] Working principle: When conducting a relay protection test, the test wire box can be lifted to the test position by the carrying handle 23, and then the hand crank 62 can be manually turned clockwise to drive the rotating rod 6 to rotate. The rotation of the rotating rod 6 can drive the driving gear 61 to rotate, and the rotation of the driving gear 61 can drive the driven gear 51 to rotate together with the screw 5. At this time, the rotation of the screw 5 can drive the seat body 2 to move upward to the highest position, and the grounding wire, current wire, voltage wire and measurement wire can be manually taken out from the four wiring harness placement slots 22, the large wire clamp can be taken out from the large wire clamp placement slot 25, and the small wire clamp can be taken out from the small wire clamp placement slot 26. Wire clamp, take out tools such as wrenches and screwdrivers from the tool placement slot 28 to perform relay protection test operations. The locking bolt 32 can be loosened, the sealing plate 3 can be manually pushed to the right to the rightmost side, and the locking bolt 32 can be tightened again to lock the sealing plate 3. At this time, the multimeter placement slot 24 can be displayed to the outside, and the test personnel can easily view the values ​​on the tilted multimeter display screen without the need for personnel to hold the multimeter. During the relay protection test, the personnel can directly drag the test wire box to move with the personnel according to the changes in the test position, without the need to move it manually.

[0025] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0026] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions described in the aforementioned embodiments and any equivalent replacement of some of the technical features therein are within the protection scope of the present invention.

Claims

1. A relay protection test line box, comprising a test line box body (1), characterized in that: The test line box body (1) is provided with a seat body (2) movably disposed inside the test line box body (1), and a screw rod (5) is rotatably connected to the inside of the test line box body (1) through a bearing, the upper end of the screw rod (5) is threaded into the seat body (2), and the lower end of the screw rod (5) is sleeved and fixed with a driven gear (51), and a rotating rod (6) is rotatably connected to the test line box body (1) on the front side of the driven gear (51) through a bearing, and the rear end of the rotating rod (6) is sleeved and fixed with a driving gear (61), and the driving gear (61) is meshed and connected with the driven gear (51), and the front end of the rotating rod (6) is fixedly connected with a hand crank (62), and a left cavity (21) is provided on one side of the seat body (2), and a wiring harness placement groove (22) is provided in the left cavity (21), and a right cavity (22) is provided on the other side of the seat body (2) The test line box body (27) is provided with a tool placement groove (28) in the right cavity (27), a large wire clamp placement groove (25) and a small wire clamp placement groove (26) are provided on the front side of the test line box body (1), an inclined surface is provided on the base body (2) above the large wire clamp placement groove (25) and the small wire clamp placement groove (26), and a multimeter placement groove (24) is provided on the inclined surface, a closed plate (3) is slidably connected to the inclined surface of the base body (2), the closed plate (3) moves along the limiting sliding groove provided on the base body (2), a push-pull portion (31) is provided on the top of the base body (2), a locking bolt (32) is screwed on the top of the base body (2) at a position away from the push-pull portion (31), and one end of the locking bolt (32) is threadedly penetrated through the closed plate (3) and abuts against the base body (2).

2. A relay protection test line box according to claim 1, characterized in that: The bottom of the test line box body (1) is fixedly connected to a base (4).

3. A relay protection test line box according to claim 2, characterized in that: Moving wheels (7) are fixedly connected at the four corner positions of the bottom of the base (4).

4. A relay protection test line box according to claim 1, characterized in that: A handle (23) is fixedly provided on the top of the seat body (2), and a limit slider is provided on the bottom of the seat body (2), and the limit slider moves along a limit slide groove provided on the inner wall of the test line box body (1).

5. A relay protection test line box according to claim 1, characterized in that: Four wire harness placement slots (22) in the left cavity (21) are arranged side by side at equal intervals in the front-to-back direction, and the four wire harness placement slots (22) are, from front to back, a ground wire placement slot, a current wire placement slot, a voltage wire placement slot, and a measurement wire placement slot.

6. A relay protection test line box according to claim 1, characterized in that: The right cavity (27) on the seat body (2) is arranged at four locations at equal intervals from top to bottom, and each of the right cavities (27) is provided with two tool placement grooves (28).

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