CN220115979U - Relay protection test line auxiliary device - Google Patents

Abstract

The utility model discloses a relay protection test line auxiliary device, which comprises a protection box, wherein a winding wheel is sleeved at the middle parts of two ends of the inside of the protection box, a test line is wound on the outer side of the winding wheel, plugs are arranged at two ends of the test line, and protection grooves matched with the plugs are formed in the middle parts of the top and the bottom of the protection box; according to the utility model, through the mutual matching among the winding wheel, the protection groove, the spring B, the fixing sleeve, the clamping teeth, the gear and the guide rod, redundant wires can be wound to the inner side of the protection box according to the situation when the device uses the test wire for relay protection test, so that the condition that the connecting wires are excessively long and accidentally wound is prevented, when the test wire is not used, the test wire can be completely wound to the inner side of the protection box, meanwhile, the plug can be automatically stored in the protection groove, and after the protection groove is closed, the test wire and the protection groove can be protected, so that the test wire and the protection groove are not easy to damage.

Description

Relay protection test line auxiliary device

Technical Field

The utility model relates to the technical field of relay protection tests, in particular to an auxiliary device of a relay protection test line.

Background

The relay protection is an important measure for detecting faults or abnormal conditions occurring in a power system so as to send out alarm signals or directly isolate and cut off fault parts, and when relay protection is tested, relay protection equipment and a relay protection tester are connected through a test wire, and when the relay protection equipment and the relay protection tester are connected, the stability of line connection can be improved through an auxiliary device;

the patent with the prior authorized bulletin number of CN218272397U discloses a relay protection test line auxiliary device, which solves the problem that the prior relay protection test line auxiliary device is inconvenient to fix a test line by arranging an adjusting seat, a hook, a sucker, a movable shell, a pressing plate, a buffer plate, a spring, a buffer rod, a hand wheel, a first threaded rod, a first threaded sleeve, a connecting block, a positioning rod, a winding rod, a connecting plate, a second threaded rod, a second threaded sleeve and a rotating block;

however, the following disadvantages exist in this device:

1. after the test wire is used, the test wire needs to be stored, but after the device is used, the test wire and the plug are difficult to store and protect, so that the test wire is inconvenient to store and is easy to suffer from external injury and damage, and the practicability of the device is reduced;

2. after relay protection test line connection, operating personnel easily drag the test line because of the mistake bumps the accident, but above-mentioned device is when using, is difficult to cushion the pulling force that the test line received, leads to the connecting wire to take place the damage easily.

Disclosure of Invention

The utility model aims to provide an auxiliary device for a relay protection test line, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a relay protection test line auxiliary device, includes the protection box, the middle part cover at the inside both ends of protection box is equipped with the rolling wheel, the outside of rolling wheel is convoluteed there is the test line, the both ends head of test line is provided with the plug, the middle part of protection box top and bottom is provided with the protection groove with plug looks adaptation;

the one end of rolling wheel is provided with the gear, the middle part of protection box one end bottom is provided with fixed cover, the inboard cover of fixed cover is equipped with the guide arm, the top of guide arm is provided with the latch with gear matched with, the outside cover of guide arm is equipped with spring B, the inside both sides of protection box are provided with buffer assembly.

Preferably, the buffer assembly comprises an outer sleeve, a spring A, an inner sleeve rod and guide rollers, wherein the outer sleeve is arranged on two sides of the inside of the protection box, the inner sleeve rods are slidably inserted into the inner sides of the outer sleeve, the guide rollers matched with the test lines are arranged on one sides of the inner sleeve rods close to the test lines, the spring A is arranged on one sides of the inner sleeve rods far away from the guide rollers, and the buffer assembly can buffer the damage of the test lines caused by pulling after the connection.

Preferably, the middle parts of the top and the bottom of the two ends inside the protection box are provided with sliding grooves, and two groups of guide rollers are provided with sliding blocks matched with the sliding grooves at the two ends and can be used for guiding the guide rollers.

Preferably, a blocking cover is arranged on one side of the fixed shaft sleeve at the top of the protective groove, and the blocking cover can control the opening and closing states of the protective groove.

Preferably, the middle parts of the top and the bottom inside the protection box are symmetrically provided with guide wheels matched with the test line, and the guide wheels can guide the test line.

Preferably, one end of the winding wheel, which is far away from the gear, is provided with a rotary table, and the rotary table is convenient for an operator to adjust.

Compared with the prior art, the utility model has the beneficial effects that: the relay protection test line auxiliary device;

1. through the mutual matching among the winding wheel, the protection groove, the spring B, the fixed sleeve, the latch, the gear and the guide rod, when the device uses the test wire to carry out relay protection test, redundant wires can be wound to the inner side of the protection box according to the situation, so that the situation that the connecting wires are excessively long and accidentally wound is prevented, when the test wire is not used, the test wire can be completely wound to the inner side of the protection box, meanwhile, the plug can be automatically contained in the protection groove, and after the protection groove is closed, the test wire and the protection groove can be protected, so that the test wire and the protection groove are not easy to damage;

2. through the cooperation between outer tube, spring A, interior sleeve rod and the deflector roll for the device receives external unexpected and pulls when the test wire is connected, and the test wire can be with pulling force conversion thrust this moment, promotes interior sleeve rod overcome spring A's elasticity income outer tube's inboard, utilizes spring A's elasticity to cushion the pulling force that the test wire received, reduces the damage of pulling that the test wire received, has promoted the protection effect to the test wire.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a side cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a protective case; 2. a winding wheel; 3. an outer sleeve; 4. a spring A; 5. an inner loop bar; 6. a guide roller; 7. a test line; 8. a plug; 9. a protective groove; 10. a spring; 11. a fixed sleeve; 12. latch teeth; 13. a gear; 14. and a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides a relay protection test line auxiliary device, includes protection box 1, and the middle part cover at the inside both ends of protection box 1 is equipped with rolling wheel 2, and the outside of rolling wheel 2 is convoluteed and is had test line 7, and the both ends of test line 7 are provided with plug 8, and the middle part of protection box 1 top and bottom is provided with the protection groove 9 with plug 8 looks adaptation;

one end of the winding wheel 2 is provided with a gear 13, the middle part of the bottom of one end of the protection box 1 is provided with a fixed sleeve 11, the inner side of the fixed sleeve 11 is sleeved with a guide rod 14, the top of the guide rod 14 is provided with a latch 12 matched with the gear 13, the outer side of the guide rod 14 is sleeved with a spring B10, and two sides of the inside of the protection box 1 are provided with buffer components.

Further, the buffer assembly comprises an outer sleeve 3, a spring A4, an inner sleeve rod 5 and a guide roller 6, the outer sleeve 3 is arranged on two sides of the inside of the protection box 1, the inner sleeve rods 5 are slidably inserted into the inner sides of the two groups of outer sleeves 3, the guide roller 6 matched with the test wire 7 is arranged on one side, close to the test wire 7, of the two groups of inner sleeve rods 5, the spring A4 is arranged on one side, away from the guide roller 6, of the two groups of inner sleeve rods 5, when the test wire 7 is pulled, pulling force can be converted into pushing force, the inner sleeve rods 5 are pushed to overcome the elasticity of the spring A4 and are retracted into the outer sleeve 3, and accordingly damage is buffered and pulled.

Further, the spout has been seted up at the middle part of the inside both ends top of protection box 1 and bottom, and the both ends of two sets of deflector rolls 6 are provided with spout matched with slider, can be used to guide deflector roll 6, when deflector roll 6 removes, can drive the slider and slide along the spout, promotes the sliding stability of deflector roll 6.

Further, one side of the top of the protection slot 9 is provided with a blocking cover, when the plug 8 is connected for use, the blocking cover can be rotated to be opened, and when the plug 8 is stored in the protection slot 9 for protection, the blocking cover can be closed for protecting the plug 8.

Further, the middle parts of the top and the bottom inside the protection box 1 are symmetrically provided with guide wheels matched with the test wire 7, and when the test wire 7 is wound, the test wire 7 can be guided by the guide wheels, so that the moving friction force of the test wire 7 is reduced.

Further, the one end that the reel 2 kept away from gear 13 is provided with the carousel, and after removing the fixed back to reel 2, accessible carousel rotation reel 2 drives reel 2 and carries out the rolling to test wire 7 and unreels.

Working principle: when the device is used for relay protection test, the plug 8 can be inserted into a connecting port of relay protection equipment and a relay protection tester to carry out connection test on the equipment, the length of the test wire 7 can be adjusted according to the use condition after connection, during adjustment, the guide rod 14 is pulled to overcome the elastic force of the spring B10 to drive the latch 12 to release the clamping and fixing of the gear 13, then the winding wheel 2 is rotated through the turntable, the redundant test wire 7 can be wound into the protection box 1 to be protected, during winding, the test wire 7 can be guided through the test wire 7 and the guide wheel, after the test wire 7 is wound to a proper length, the guide rod 14 can be loosened, and at the moment, the elastic force of the spring B10 can be used for pushing the latch 12 to reset and clamp the outer side of the gear 13 to limit the rotation of the winding wheel 2;

when the test wire 7 is connected, the test wire 7 is subjected to external accidental pulling, at the moment, the test wire 7 can convert the pulling force into pushing force to push the guide roller 6 to move to one side, then the guide roller 6 can drive the inner sleeve rod 5 to overcome the elastic force of the spring A4 and retract into the inner side of the outer sleeve 3, and further the pulling damage of the test wire 7 can be buffered by the elastic force of the spring A4, so that the test wire 7 is prevented from being broken;

when the test wire 7 is not used, the test wire 7 can be fully wound to the outer side of the winding wheel 2, at the moment, the plug 8 can be automatically stored in the protective groove 9, and then the protective groove 9 is closed by rotating the blocking cover, so that the test wire 7 and the protective groove 9 can be protected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. Relay protection test line auxiliary device, including protection box (1), its characterized in that: the middle parts of the two ends of the inside of the protection box (1) are sleeved with a winding wheel (2), a test wire (7) is wound on the outer side of the winding wheel (2), plugs (8) are arranged at the two ends of the test wire (7), and protection grooves (9) matched with the plugs (8) are formed in the middle parts of the top and the bottom of the protection box (1);

one end of rolling wheel (2) is provided with gear (13), the middle part of protection box (1) one end bottom is provided with fixed cover (11), the inboard cover of fixed cover (11) is equipped with guide arm (14), the top of guide arm (14) is provided with latch (12) with gear (13) matched with, the outside cover of guide arm (14) is equipped with spring B (10), the inside both sides of protection box (1) are provided with buffer assembly.

2. The relay protection test line auxiliary device according to claim 1, wherein: the buffer assembly comprises an outer sleeve (3), a spring A (4), an inner sleeve rod (5) and guide rollers (6), wherein the outer sleeve (3) is arranged on two sides of the inside of the protection box (1), the inner sides of the outer sleeve (3) are slidably inserted with the inner sleeve rods (5), the guide rollers (6) matched with the test line (7) are arranged on one side, close to the test line (7), of the inner sleeve rods (5), and the spring A (4) is arranged on one side, far away from the guide rollers (6), of the inner sleeve rods (5).

3. The relay protection test line auxiliary device according to claim 2, wherein: the middle parts of the top and the bottom of the two ends inside the protection box (1) are provided with sliding grooves, and two groups of guide rollers (6) are provided with sliding blocks matched with the sliding grooves at the two ends.

4. The relay protection test line auxiliary device according to claim 1, wherein: one side of the top of the protection groove (9) is fixed with a shaft sleeve and is provided with a blocking cover.

5. The relay protection test line auxiliary device according to claim 1, wherein: guide wheels matched with the test line (7) are symmetrically arranged in the middle of the top and the bottom of the inside of the protection box (1).

6. The relay protection test line auxiliary device according to claim 1, wherein: one end of the winding wheel (2) far away from the gear (13) is provided with a rotary disc.