CN212749111U

CN212749111U - Cable fault tester

Info

Publication number: CN212749111U
Application number: CN202020957807.5U
Authority: CN
Inventors: 桂斌华; 朱红琳; 张勇
Original assignee: Wuhan Boneng Power Engineering Co ltd
Current assignee: Wuhan Boneng Power Engineering Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-19
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a cable fault tester, including the tester body, the tester body is connected with the test head through signal transmission line, still including being used for signal transmission line's rolling subassembly, the rolling subassembly is including the rolling box, set up the confession on the rolling box the perforation that the both ends of signal transmission line were worn out, be provided with in the rolling box and be used for the rolling the wind-up roll of signal transmission line, still be provided with in the rolling box and be used for making the dead locking device of wind-up roll lock. Through the arrangement, the signal transmission line can be conveniently collected and released by an operator, and the signal transmission line can be conveniently carried; the winding roller is locked by the locking device, so that an operator can conveniently emit a signal transmission line with required length as required, and the phenomenon that the signal transmission line is overlong and easy to tie is avoided.

Description

Cable fault tester

Technical Field

The utility model belongs to the technical field of the technique of cable check out test set and specifically relates to a cable fault tester is related to.

Background

The cable fault detector is a comprehensive cable fault detecting instrument, adopts multiple fault detecting modes, applies the most advanced electronic technical achievement of the current generation, adopts a computer and a special electronic technology, is an intelligent and fully-functional new-generation high-tech product by combining the successful experience of developing the cable tester for a long time, and can test the faults of high-resistance flashover faults, high-low-resistance grounding, short circuit, cable disconnection, poor contact and the like of the cable. The cover plate of the existing cable fault testing instrument is usually connected through threads, so that the cable fault testing instrument is inconvenient to disassemble and maintain, and the vibration generated by the box body when the box body is placed or collided can damage the internal instrument, so that the service life of the testing instrument is shortened.

To above-mentioned technical problem, a chinese patent that a patent publication number is CN210270133U is retrieved now, discloses a cable fault testing instrument, the power distribution box comprises a box body, the inside of box is provided with the apron, the four corners department of apron all is provided with the lockhole, the lockhole includes recess and limiting plate, the inside of fixed column is provided with the fixed plate, the hasp is installed to reset spring's upper end, the inside of box is provided with the buffer layer.

The technical scheme has the following defects: in the prior art, a test head of the cable fault tester is generally connected with the tester body through a signal transmission line, and in order to enable the test head to extend to a longer distance, the length of the signal transmission line is generally longer, and the signal transmission line is inconvenient to receive and release when in use. Compared with the prior art, the technical scheme has no difference in the retraction mode of the signal transmission line, so the technical scheme needs to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a cable fault tester makes things convenient for receiving and releasing of operating personnel to signal transmission line.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a cable fault tester, includes the tester body, the tester body is connected with the test head through signal transmission line, still including being used for signal transmission line's rolling subassembly, the rolling subassembly is including rolling up the box, set up the confession on the rolling up the perforation that signal transmission line's both ends were worn out, be provided with in the rolling up box and be used for the rolling signal transmission line's wind-up roll, still be provided with in the rolling up box and be used for making the dead locking device of wind-up roll lock.

By adopting the technical scheme, when the cable fault tester is used, the tester body is placed at a position above the ground and convenient to operate, the signal output end of the signal transmission line is inserted into the tester body, the test head is pulled to the cable to be tested, the winding roller in the winding box rotates to discharge the signal transmission line, when the test head extends to the position of the cable to be tested, the winding roller is locked by the locking device, the winding roller cannot wind and release the signal transmission line, and the conditions that the signal transmission line is discharged too long to cause knotting and the like are avoided; after the cable detection is completed, the locking device is opened, the winding roller is rotated to wind the signal transmission line into the winding box, the signal transmission line is wound conveniently, the signal transmission line is not easy to knot during winding, and the winding efficiency is high. The utility model discloses a setting of rolling subassembly makes things convenient for operating personnel to carry out receiving and releasing of signal transmission line, improves the efficiency that signal transmission line receive and releases work.

The present invention may be further configured in a preferred embodiment as: the coaxial fixedly connected with first pivot of wind-up roll, the both ends of first pivot rotate respectively connect in on the both sides inner wall that the winding box is relative, locking device include with the coaxial fixedly connected with's of first pivot locking gear, locking device still include with the check lock of locking gear meshing adaptation, the check lock rotate through the second pivot set up in on the winding box inner wall, the second pivot with the axis direction of first pivot is unanimous, the length direction of check lock with the axis direction of first pivot is perpendicular, be provided with the drive in the winding box the check lock rotate with locking gear gets into the meshing or breaks away from the drive arrangement of meshing.

By adopting the technical scheme, when the signal transmission line is wound and unwound, the locking rod is driven to rotate to be disengaged from the locking gear through the driving device, at the moment, the first rotating shaft can rotate, the winding roller can rotate, and the signal transmission line can be wound and unwound; when the signal transmission line is discharged to the required length or is wound into the winding box, the locking rod is rotated to be meshed with the locking gear through the driving device, the winding roller cannot rotate at the moment, the signal transmission line cannot be wound or discharged continuously, and therefore the phenomenon that the signal transmission line is too long and is easy to tie knots is avoided. The winding device is simple to operate, and can quickly perform winding work of the signal transmission line.

The present invention may be further configured in a preferred embodiment as: the driving device comprises a driving rod which is arranged on the locking rod in a sliding way along the length direction of the locking rod, the driving rod is positioned on one side of the locking rod close to the inner wall of the coiling box and is vertical to the locking rod, one end of the driving rod far away from the locking rod penetrates through the side wall of the rolling box, a sliding groove for the driving rod to slide is arranged on the side wall of the rolling box, the sliding groove is arc-shaped and coaxial with the second rotating shaft, a limit groove is further formed on the side wall of the coiling box at one end of the sliding groove close to the locking gear, the limiting groove is positioned at one side of the sliding groove along the radial direction and is communicated with the sliding groove, an elastic part is also arranged between the locking rod and the driving rod, when the locking rod rotates to be meshed with the locking gear, the elastic piece enables the driving rod to slide to be located in the limiting groove.

By adopting the technical scheme, when the signal transmission line needs to be retracted, the driving rod is slid on the locking rod by the sliding driving rod, when the driving rod is slid to be positioned in the sliding groove, the sliding groove enables the sliding rod not to slide on the locking rod, at the moment, the driving rod is slid towards the direction far away from the limiting groove in the sliding groove, and because the sliding groove is coaxial with the second rotating shaft, even if the locking rod is axially far away from the locking gear by the second rotating shaft and is rotated to be disengaged, at the moment, the elastic part is in a deformation state; when the winding or the releasing work of the signal transmission line is finished, the driving rod slides in the sliding groove towards the direction close to the limiting groove, even if the locking rod rotates towards the direction close to the locking gear, when the locking rod rotates to be meshed with the locking gear, the driving rod slides to the end part of the sliding groove, the elastic force of the elastic part enables the driving rod to slide to the embedded limiting groove along the length direction of the locking rod, at the moment, the locking rod cannot rotate, namely, the locking gear meshed with the locking rod cannot rotate, the winding roller cannot continue to wind and release the signal transmission line, and the locking function of the locking device is realized. Convenient operation can die the wind-up roll lock fast.

The present invention may be further configured in a preferred embodiment as: the elastic component including set up in extension spring on the check lock lever, the axis direction of extension spring with the axis direction of check lock lever is unanimous, and the extension spring is located the actuating lever is close to one side of second pivot, and the both ends of extension spring respectively fixed connection in on the check lock lever with on the actuating lever, when the extension spring is under natural state, the actuating lever with distance between the second pivot is less than the radius of spout, the spacing groove is located the spout is close to one side of its centre of a circle.

By adopting the technical scheme, when the signal transmission line is wound and unwound by the winding roller, the distance from the driving rod to the second rotating shaft is enabled to be the same as the radius of the sliding groove by sliding the driving rod, the driving rod is enabled to slide in the sliding groove by sliding, the locking rod is driven to rotate far away from the locking gear until the locking rod is disengaged from the locking gear, and at the moment, the tension spring is in a stretching state; when needs are dead with the wind-up roll lock, the slip actuating lever makes it to sliding near the spacing groove direction in the spout, and the locking lever is to being close to the locking gear and rotating promptly, and when the locking lever and locking gear meshing, the actuating lever slides to the tip of spout, and the actuating lever slides to the spacing inslot under the effort that the extension spring resumes deformation this moment, makes the locking lever can not rotate, dies the locking gear lock, even the wind-up roll can not carry out signal transmission line's rolling. The function of the elastic piece is realized through the tension spring, and the structure is simple and easy to implement.

The present invention may be further configured in a preferred embodiment as: and a handle is arranged at one end of the driving rod, which is far away from the locking rod.

Through adopting above-mentioned technical scheme, the handle makes things convenient for operating personnel to slide the actuating lever to realize fast that the lock of wind-up roll dies, and then avoid signal transmission line to emit the overlength.

The present invention may be further configured in a preferred embodiment as: the middle part fixed connection of signal transmission line in on the wind-up roll, just signal transmission line's both ends are in the rolling direction on the wind-up roll is the same.

Through adopting above-mentioned technical scheme, the wind-up roll rotates and rolls or emits signal transmission line from both ends, improves the efficiency that signal transmission line receive and releases greatly.

The present invention may be further configured in a preferred embodiment as: and rubber pads are arranged at the positions of the rolling holes and the upper punching holes.

Through adopting above-mentioned technical scheme, the setting of rubber pad reduces the signal transmission line and the friction of coiling box when receive and release in the coiling box, reduces signal transmission line's wearing and tearing.

The present invention may be further configured in a preferred embodiment as: one end of the first rotating shaft penetrates through the inner wall of the winding box, and a hand wheel is arranged at the end part of the first rotating shaft.

Through adopting above-mentioned technical scheme, the setting up of hand wheel makes things convenient for operating personnel to rotate the wind-up roll to improve the wind-up roll and to the rolling efficiency of signal transmission line.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the winding assembly, the signal transmission line is wound on the winding roller and is placed in the winding box, so that the signal transmission line is conveniently wound and unwound by an operator and is conveniently carried;

2. the setting of locking device through actuating lever drive check lock lever and locking gear meshing or break away from the meshing, can realize fast that the lock of wind-up roll dies to make things convenient for operating personnel to emit the signal transmission line of required length as required, avoid signal transmission line to emit the overlength and tie a knot easily.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is the utility model discloses well wind-up roll and locking device's structural schematic.

In the figure, 1, a tester body; 2. a signal transmission line; 21. a test head; 3. a coiling box; 31. a chute; 32. a limiting groove; 4. a wind-up roll; 41. a first rotating shaft; 5. a locking device; 51. a locking gear; 52. a locking lever; 521. a first rotating shaft; 6. a drive device; 61. a drive rod; 62. a tension spring; 7. a hand wheel; 8. a handle.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a cable fault tester, including tester body 1, signal transmission line 2 and the rolling subassembly that is used for rolling signal transmission line 2, the connector is passed through to signal transmission line 2's one end and is connected with tester body 1, and signal transmission line 2's the other end is connected with test head 21. When the cable fault tester is used, the tester body 1 is placed at a position above the ground and convenient to operate, the signal output end of the signal transmission line 2 is inserted into the tester body 1, and the test head 21 is connected to a cable to be tested for testing. The rolling assembly comprises a square rolling box 3, two opposite sides of the rolling box 3 are provided with through holes for the two ends of the signal transmission line 2 to penetrate out, and rubber pads (not shown in the figure) are arranged at the through holes. Be provided with in the coiling box 3 and be used for the wind-up roll 4 of rolling signal transmission line 2, the coaxial fixedly connected with first pivot 52141 of wind-up roll 4, the both ends of first pivot 52141 rotate respectively to be connected in coiling box 3 not offer perforation and relative both sides inner wall on, the one end of first pivot 52141 runs through coiling box 3 and tip fixedly connected with hand wheel 7, the middle part fixed connection of signal transmission line 2 is on wind-up roll 4, and the rolling direction identity wheel of the both ends on wind-up roll 4 of signal transmission line 2. A locking device 5 for locking the wind-up roll 4 is also arranged in the wind-up box 3. The first rotating shaft 52141 is rotated through the hand wheel 7, so that the winding roller 4 is driven to rotate to wind the signal transmission line 2 into the winding box 3 or release the signal transmission line from the winding box 3, and an operator can conveniently wind and release the signal transmission line 2; when using, according to the position at cable place, the pulling test head 21 is emitted signal transmission line 2 from rolling box 3 in, when signal transmission line 2 reaches the length that needs, dies 4 lock with the wind-up roll through locking the subassembly, avoids emitting the overlength and ties easily.

Referring to fig. 2 and 3, the locking device 5 includes a locking gear 51 coaxially and fixedly connected to the first rotating shaft 52141, and the locking gear 51 is located at one end of the first rotating shaft 52141 close to the hand wheel 7 and attached to the inner wall of the winding box 3. The locking device 5 further includes a locking lever 52 rotatably disposed on an inner wall of the winding box 3, the locking lever 52 is disposed on an inner wall of the winding box 3 on a side thereof close to the locking gear 51, a length direction of the locking lever 52 is perpendicular to an axial direction of the second rotating shaft, one end of the locking lever 52 is integrally provided with teeth adapted to be engaged with the locking gear 51, the other end of the locking lever 52 is rotatably disposed on the inner wall of the winding box 3 through the second rotating shaft, the second rotating shaft is identical to the axial direction of the first rotating shaft 52141, and the locking lever 52 is capable of rotating to be engaged with the locking gear 51. The winding box 3 is provided therein with a driving device 6 for driving the lock lever 52 to rotate into and out of engagement with the lock gear 51. When the signal transmission line 2 is wound and unwound, the driving device 6 drives the locking rod 52 to rotate until the locking rod is disengaged from the locking gear 51, and at the moment, the hand wheel 7 rotates the first rotating shaft 52141 to rotate the winding roller 4, so that the signal transmission line 2 can be wound and unwound; when signal transmission line 2 emits required length or when rolling to in the rolling box 3, make the check lock lever 52 rotate to with locking gear 51 meshing through drive arrangement 6, wind-up roll 4 can not rotate this moment, and signal transmission line 2 can not continue the rolling or emit, and then avoids signal transmission line 2 to emit the overlength and knot easily, and easy operation can carry out the work of receiving and releasing of signal transmission line 2 fast, and can emit the signal transmission line 2 of required length as required.

Referring to fig. 2 and 3, the driving device 6 includes a driving rod 61 slidably sleeved on the locking lever 52 along the length direction of the locking lever 52, the driving rod 61 is located on one side of the locking lever 52 close to the inner wall of the winding box 3 and perpendicular to the locking lever 52, one end of the driving rod 61 far away from the locking lever 52 penetrates through the side wall of the winding box 3 and is fixedly connected with the handle 8. The side wall of the winding box 3 is provided with a sliding chute 31 for the driving rod 61 to slide, the sliding chute 31 is in a circular arc shape coaxial with the second rotating shaft, one end of the sliding chute 31 close to the locking gear 51 is also provided with a limiting groove 32 on the side wall of the winding box 3, and the limiting groove 32 is positioned on one side of the sliding chute 31 close to the circle center and is communicated with the sliding chute 31. An elastic part which enables the driving rod 61 to slide into the limiting groove 32 is further arranged between the locking rod 52 and the driving rod 61, the elastic part comprises a tension spring 62 arranged on the locking rod 52, the axial direction of the tension spring 62 is consistent with the axial direction of the locking rod 52, the tension spring 62 is positioned on one side, close to the second rotating shaft, of the driving rod 61, two ends of the tension spring 62 are fixedly connected to the locking rod 52 and the driving rod 61 respectively, and when the tension spring 62 is in a natural state, the distance between the driving rod 61 and the second rotating shaft is smaller than the radius of the sliding groove 31.

Referring to fig. 2 and 3, when the winding roller 4 winds and unwinds the signal transmission line 2, the driving rod 61 is slid until the distance from the second rotating shaft is the same as the radius of the chute 31, the driving rod 61 is slid in the chute 31, the locking rod 52 is driven to rotate away from the locking gear 51 until the locking rod is disengaged from the locking gear 51, and at this time, the tension spring 62 is in a stretching state; when the wind-up roll 4 needs to be locked, the driving rod 61 is slid to the direction close to the limiting groove 32 in the sliding groove 31, namely, the locking rod 52 rotates to the direction close to the locking gear 51, when the locking rod 52 is meshed with the locking gear 51, the driving rod 61 slides to the end part of the sliding groove 31, at the moment, the driving rod 61 slides to the limiting groove 32 under the action of the deformation restoring force of the tension spring 62, so that the locking rod 52 cannot rotate, the locking gear 51 is locked, and even if the wind-up roll 4 cannot wind up the signal transmission line 2. The operation is simple, the winding roller 4 can be locked fast, and therefore the length of the released signal transmission line 2 can be controlled conveniently.

The implementation principle of the embodiment is as follows: when the cable fault tester is used, the tester body 1 is placed at a position above the ground and convenient to operate, a signal output end of a signal transmission line 2 is inserted on the tester body 1, at the moment, a driving rod 61 is slid to one end, away from a limiting groove 32, of a sliding groove 31, a locking rod 52 is rotated to be not meshed with a locking gear 51, a winding roller 4 can rotate, a testing head 21 is pulled to the position where the cable is located, when the testing head 21 extends to the position where the cable is located, the testing head 21 is connected to the cable, the driving rod 61 is slid to be located at one end, close to the limiting groove 32, of the sliding groove 31, at the moment, under the action of the tensile force of a tension spring 62, the driving rod 61 is slid to be in the limiting groove 32, the locking rod 52 is rotated to be meshed with the locking gear 51, the winding roller 4 cannot rotate; after the test is finished, the locking rod 52 is disengaged from the locking gear 51 through the driving rod 61, and the hand wheel 7 rotates the winding roller 4 to wind the signal transmission line 2 into the winding box 3.

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 cable fault tester, includes tester body (1), tester body (1) is connected with test head (21), its characterized in that through signal transmission line (2): the winding device is characterized by further comprising a winding assembly used for the signal transmission line (2), the winding assembly comprises a winding box (3), a penetrating hole is formed in the winding box (3) and used for penetrating out of two ends of the signal transmission line (2), a winding roller (4) used for winding the signal transmission line (2) is arranged in the winding box (3), and a locking device (5) used for enabling the winding roller (4) to be locked is further arranged in the winding box (3).

2. The cable fault tester of claim 1, wherein: the wind-up roll (4) is coaxially and fixedly connected with a first rotating shaft (521) (41), two ends of the first rotating shaft (521) (41) are respectively and rotatably connected to the inner walls of two opposite sides of the winding box (3), the locking device (5) comprises a locking gear (51) which is coaxially and fixedly connected with the first rotating shaft (521) (41), the locking device (5) also comprises a locking rod (52) which is engaged and matched with the locking gear (51), the locking rod (52) is rotationally arranged on the inner wall of the coiling box (3) through a second rotating shaft, the second rotating shaft is consistent with the axial direction of the first rotating shaft (521) (41), the length direction of the locking rod (52) is vertical to the axial direction of the first rotating shaft (521) (41), and a driving device (6) for driving the locking rod (52) to rotate and to be engaged with or disengaged from the locking gear (51) is arranged in the winding box (3).

3. The cable fault tester of claim 2, wherein: the driving device (6) comprises a driving rod (61) which is arranged on the locking rod (52) in a sliding mode along the length direction of the locking rod (52), the driving rod (61) is located on one side, close to the inner wall of the winding box (3), of the locking rod (52) and perpendicular to the locking rod (52), one end, far away from the locking rod (52), of the driving rod (61) penetrates through the side wall of the winding box (3), a sliding groove (31) for the driving rod (61) to slide is formed in the side wall of the winding box (3), the sliding groove (31) is arc-shaped and coaxial with the second rotating shaft, a limiting groove (32) is further formed in the side wall of the winding box (3) at one end, close to the locking gear (51), of the sliding groove (31), the limiting groove (32) is located on one side, in the radial direction, of the sliding groove (31) and is communicated with the sliding groove (31), an elastic piece is further arranged between the locking rod (52) and the driving rod (61), and when the locking rod (52) rotates to be meshed with the locking gear (51), the elastic piece enables the driving rod (61) to slide to be located in the limiting groove (32).

4. A cable fault tester as claimed in claim 3, wherein: the elastic component including set up in extension spring (62) on check lock lever (52), the axis direction of extension spring (62) with the axis direction of check lock lever (52) is unanimous, and extension spring (62) are located actuating lever (61) are close to one side of second pivot, and the both ends of extension spring (62) respectively fixed connection in on check lock lever (52) with on actuating lever (61), when extension spring (62) are under natural state, actuating lever (61) with distance between the second pivot is less than the radius of spout (31), spacing groove (32) are located spout (31) are close to one side of its centre of a circle.

5. The cable fault tester of claim 4, wherein: and a handle (8) is arranged at one end of the driving rod (61) far away from the locking rod (52).

6. The cable fault tester of claim 1, wherein: the middle part fixed connection of signal transmission line (2) in on wind-up roll (4), just the both ends of signal transmission line (2) are in the rolling direction on wind-up roll (4) is the same.

7. The cable fault tester of claim 1, wherein: and rubber pads are arranged at the positions of the rolling holes and the upper punching holes.

8. The cable fault tester of claim 2, wherein: one end of the first rotating shaft (521) (41) penetrates through the inner wall of the winding box (3) and a hand wheel (7) is arranged at the end part of the first rotating shaft.