CN219737124U - Quick locking device for cable thermal extension test - Google Patents
Quick locking device for cable thermal extension test Download PDFInfo
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- CN219737124U CN219737124U CN202320483072.0U CN202320483072U CN219737124U CN 219737124 U CN219737124 U CN 219737124U CN 202320483072 U CN202320483072 U CN 202320483072U CN 219737124 U CN219737124 U CN 219737124U
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a quick lock device for a cable thermal extension test, which comprises a column body, a beam, a quick lock assembly and a clip, wherein the column body is connected with the beam, the clip is used for hanging a cable to be tested on the beam, the quick lock assembly is respectively connected with the column body and the beam, and the quick lock assembly is used for connecting the beam on the column body so as to avoid the influence on the thermal extension test of the cable to be tested caused by shaking of the beam. The utility model has simple structure, can realize the quick connection or disconnection of the cross beam to the column body, realize the quick locking device, avoid the cross beam from shaking, ensure the stability of the cable to be tested hung on the cross beam, and can be suitable for the cable thermal extension test scene of frequently installing and removing the cable through the quick locking device. The whole device is low in cost, stable in quick locking effect and good in locking effect, and can be better applied to scenes including cable thermal extension tests.
Description
Technical Field
The utility model relates to the technical field of cable testing devices, in particular to a quick locking device for cable thermal extension testing.
Background
In the prior art, in the cable thermal extension test process, the cable needs to be fixed on a test beam so that the cable is only hung under the action of self gravity, and after the cable is heated for a certain time (standard specified time), the cable needs to be manually worn with high-temperature protective gloves to stretch into a high-temperature box where a cable sample is located, so that the cable sample is measured for elongation and sheared, and the cable is retracted for 5 minutes and then removed from the high-temperature box, so that the operation is troublesome and the measurement efficiency is low. The existing cable extension test does not have a quick locking device which is specially used for fixing a cross beam where a cable is located so as to prevent the cross beam from shaking and affecting the cable thermal extension test result.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present utility model to provide a quick lock device for cable thermal extension testing, which can solve the problems described in the background art.
The technical scheme for realizing the purpose of the utility model is as follows: a quick locking device for cable thermal extension test comprises a column body, a beam, a quick locking component and a clip, wherein the column body is connected with the beam, the clip is used for hanging a cable to be tested on the beam,
the quick lock assembly is connected with the column body and the cross beam respectively and is used for connecting the cross beam on the column body, so that the influence on the thermal extension test of the tested cable caused by shaking of the cross beam is avoided.
Further, the cylinder and the quick lock assembly are provided with a plurality of cylinders, the cylinders and the quick lock assembly are in one-to-one correspondence, and the quick lock assembly is used for locking the corresponding cylinders on the cross beam.
Further, each cylinder is arranged at intervals along the axial direction of the cross beam and is positioned on one side of the cross beam, and each quick lock assembly is arranged along the axial direction of the cross beam and is positioned on the cross beam.
Further, a plurality of clips are provided, and each clip is provided along the axial direction of the cross beam and is located on the cross beam.
Further, the clip and the quick lock assembly are on the same side of the cross beam and the cylinder is on the other side of the clip and the quick lock assembly.
Further, the quick lock assembly comprises a locking block, a bolt and a locking column, the locking block corresponds to the column one by one, the locking block is arranged on the cross beam and comprises two longitudinal through holes and transverse through holes which are mutually communicated, the longitudinal through holes longitudinally penetrate through the locking block, the transverse through holes penetrate into the locking block from one side of the locking block and are communicated with the longitudinal through holes,
one end of the lock post is connected with the post body, the other end of the lock post extends into the longitudinal through hole and can rotate relative to the longitudinal through hole, so that the lock post can at least rotate to a first position and a second position, the lock post at the first position is provided with a groove opposite to the transverse through hole, a bolt can be inserted into the groove by extending into the transverse through hole, the lock post at the second position is provided with a groove opposite to or deviated from the transverse through hole, the bolt can not be inserted into the groove by extending into the transverse through hole,
the bolt extends into the transverse through hole from one side of the locking piece, and the bolt can slide along the axial direction of the transverse through hole, so that the bolt can be far away from or close to the groove.
Further, the locking block is fixedly or detachably mounted on the cross beam and is opposite to the column body.
Further, the lock column comprises a lock column rear part, a lock column middle part and a lock column front part, wherein the diameter of the lock column rear part and the diameter of the lock column front part are both smaller than Yu Suozhu middle part, the lock column front part is gradually reduced in radian along the direction away from the lock column middle part, the lock column rear part stretches into a round hole of the column body to be fixedly or detachably connected with the lock column, the lock column middle part is used for limiting to prevent the whole lock column from sliding into the round hole of the column body, the lock column middle part and the lock column front part stretch into the longitudinal through hole, at least one part of the lock column front part is exposed on the longitudinal through hole, one side of the lock column is provided with the groove,
further, the grooves are arc-shaped, the grooves are arranged along the circumferential direction of the lock cylinder, and the grooves are arranged at intervals along the two ends of the circumferential direction of the lock cylinder.
Further, the bolt is including the bolt tapered end, bolt boss, the cylinder behind the bolt, cylinder and the bolt dish platform that connect gradually before the bolt, and the bolt boss encircles and installs on bolt tapered end and the cylinder before the bolt to the diameter of cylinder all is less than the diameter of bolt tapered end before bolt tapered end and the bolt, and the bolt boss is used for spacing bolt stretches into the depth of insertion to horizontal through-hole.
The beneficial effects of the utility model are as follows: the utility model has simple structure, can realize the quick connection or disconnection of the cross beam to the column body, realize the quick locking device, avoid the cross beam from shaking, ensure the stability of the cable to be tested hung on the cross beam, and can be suitable for the cable thermal extension test scene of frequently installing and removing the cable through the quick locking device. The whole device is low in cost, stable in quick locking effect and good in locking effect, and can be better applied to scenes including cable thermal extension tests.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic back view of the present utility model;
FIG. 3 is a schematic view of the structure with parts removed;
FIG. 4 is a schematic view of the assembly between the bolt and the lock cylinder;
in the figures, the 1-cylinder, 2-quick lock assembly, 3-clamp, 4-cable, 5-lock block, 6-plug, 61-plug lock, 62-plug boss, 63-plug front cylinder, 64-plug rear cylinder, 65-plug tray, 7-beam, 8-lock cylinder, 81-lock cylinder rear, 82-lock cylinder middle, 83-lock cylinder front.
Detailed Description
The utility model is further described with reference to the accompanying drawings and detailed description below:
as shown in fig. 1 to 4, a quick lock device for a thermal extension test of a cable includes a plurality of columns 1, a cross beam 7, a plurality of quick lock assemblies 2, and a plurality of clamps 3, the columns 1 are connected to the cross beam 7, the columns 1 are disposed at equal intervals along an axial direction of the cross beam 7, the columns 1 are used for being connected to the outside, thereby installing the quick lock device at a target position, for example, by fixedly connecting an upper end of the columns 1 in an inner cavity of a case for testing the thermal extension of the cable 4, thereby installing the quick lock device on the case, thereby realizing the thermal extension test of the cable 4. The clamp 3 is used for hanging the cable 4 to be tested on the cross beam 7, i.e. one end of the clamp 3 is fixed on the cross beam 7 and the other end clamps one end of the cable 4, so that the cable 4 is hung below the cross beam 7. The clips 3 are equally spaced along the axis of the cross beam 7. Each quick lock assembly 2 is disposed along the axial direction of the cross beam 7 and is located on the cross beam 7, each cylinder 1 is also disposed along the axial direction of the cross beam 7 at intervals and is located on one side of the cross beam 7, and the side of the clip 3 and the quick lock assembly 2 is opposite to the side of the cylinder 1 that is located on the opposite side of the cross beam 7.
The cable herein refers to a cable sample, which is a dumbbell-shaped cable in the axial direction (i.e., extending direction) of the cable, and is a sheet-shaped cable, and the cable sample herein is a cable in which the dumbbell-shaped cable is small and the rest is large, which is taken out of the cable insulating material, only for testing.
In an alternative embodiment, each column 1 is located on one side of the beam 7, and the columns 1 are kept perpendicular to the beam 7 so that the beam 7 can be in a horizontal state when the beam 7 is attached to an external target object in a vertical state. The clips 3 are located on the other side of the cross beam 7, i.e. the clips 3 and the columns 1 are distributed on both sides of the cross beam 7.
In actual use, the clip 3 may be a clip 3 for daily use, for example, a folder for a clip file, such as a dovetail clip, a binder clip, or the like.
The quick lock assembly 2 comprises lock blocks 5, bolts 6 and lock columns 8, wherein the lock blocks 5 are fixedly or detachably arranged on a cross beam 7 and are right opposite to the columns 1, each column 1 corresponds to one lock block 5, and each lock block 5 corresponds to one column 1, namely, the lock blocks 5 and the columns 1 are in one-to-one correspondence. The locking block 5 is used to mount the quick lock assembly 2 on the beam 7 and connect with the cylinder 1 so that the quick lock assembly 2 can quickly lock the cylinder 1 to the beam 7. The locking piece 5 comprises two mutually communicated longitudinal through holes and a transverse through hole, wherein the longitudinal through holes longitudinally penetrate through the locking piece 5, and the transverse through holes penetrate into the locking piece 5 from one side of the locking piece 5 and are communicated with the longitudinal through holes.
The lock cylinder 8 comprises a lock cylinder rear part 81, a lock cylinder middle part 82 and a lock cylinder front part 83, wherein the diameter of the lock cylinder rear part 81 and the diameter of the lock cylinder front part 83 are both smaller than the diameter of the lock cylinder front part Yu Suozhu middle part 82, and the lock cylinder front part 83 is gradually reduced in radian along the direction away from the lock cylinder middle part 82, namely the surface of the lock cylinder front part 83 is an arc-shaped curved surface. The lock post rear portion 81 extends into the circular hole of the cylinder 1 to be fixedly or detachably connected with the lock post 8, and the lock post middle portion 82 is larger than the lock post rear portion 81 in diameter, so that the lock post can be limited to prevent the whole lock post 8 from sliding into the circular hole of the cylinder 1. The central portion 82 and the front portion 83 extend into the longitudinal bore and at least a portion of the front portion 83 is exposed at the longitudinal bore to allow manipulation of the lock cylinder 8 outside of the lock block 5, such as a human finger pulling the forward most end of the front portion 83 to rotate the lock cylinder 8, the lock cylinder 8 being rotatable within the longitudinal bore relative to the lock block 5. One side of the lock cylinder 8 is provided with a groove, which may be arc-shaped, the groove is arranged along the circumference of the lock cylinder 8, and the grooves are arranged at intervals along the two ends of the circumference of the lock cylinder 8, that is, the groove does not occupy the circumference of the whole lock cylinder 8 and surrounds the lock cylinder 8, so that the lock cylinder 8 can rotate to at least a first position and a second position, the lock cylinder 8 at the first position is right opposite to the transverse through hole, the bolt 6 can be inserted into the groove by extending into the transverse through hole, the lock cylinder 8 at the second position is opposite to or deviated from the transverse through hole, and the bolt 6 cannot be inserted into the groove by extending into the transverse through hole.
The bolt 6 is including the bolt tapered end 61, bolt boss 62, the cylinder 63 before the bolt, post 64 behind the bolt and bolt dish 65 platform that connect gradually, and bolt boss 62 encircles and installs on bolt tapered end 61 and bolt front cylinder 63 to the diameter of bolt tapered end 61 and bolt front cylinder 63 all is less than the diameter of bolt tapered end 61, and bolt boss 62 is used for spacing bolt 6 to stretch into the depth of insertion to horizontal through-hole, realizes quick location, prevents that bolt 6 from stretching into locking piece 5 not in place or the position of inserting is too dark. When the bolt boss 62 contacts with the lateral surface of the locking piece 5, the surface bolt 6 stretches into the transverse through hole on the locking piece 5 just right, and the bolt tapered end 61 just stretches into the groove of the lock column 8 at the moment, so that the bolt 6 and the lock column 8 are quickly connected, and the cross beam 7 is stably and fixedly connected to the column body 1. The latch plate 65 is fixed to the end of the latch rear cylinder 64 remote from the latch lock 61, and the diameter of the latch plate 65 is larger than that of the latch rear cylinder 64, and the latch rear cylinder 64 and the latch plate 65 facilitate the manual action on the latch 6, for example, by grasping the latch 6 by a human hand to extend the latch 6 into the transverse through hole.
In actual use, the cable 4 to be tested is clamped by the clamp 3 and fixed on the cross beam 7, one end of the lock column 8 is connected to the column body 1, the other end of the lock column 8 penetrates through the longitudinal through hole of the lock block 5 and at least one part of the lock block is exposed outside the lock block 5, then the lock block 5 is laterally locked, the bolt 6 is pushed into the transverse through hole, and the bolt 6 can slide along the axial direction of the transverse through hole, so that the bolt 6 can be far away from or close to the groove. Until the bolt boss 62 on the bolt 6 contacts with the lateral end face of the locking piece 5, at this time, the bolt lock head 61 just stretches into the groove of the lock column 8, thereby fixing the cross beam 7 on the column body 1, and avoiding the cross beam 7 from shaking. When the cross beam 7 needs to be taken down from the column body 1, the lock column 8 is rotated firstly, and as the two ends of the groove on the lock column 8 are in a certain radian, the bolt lock head 61 of the bolt 6 is separated from the groove, so that the connection between the lock column 8 and the bolt 6 is broken, the lock column 8 can be taken out from the longitudinal through hole, the bolt 6 can be taken out from the transverse through hole, and the connection between the cross beam 7 and the column casing is broken. Thereby realizing the quick connection and disconnection of the cross beam 7 and the column casing and realizing the quick locking effect.
The utility model has simple structure, can realize the quick connection or disconnection of the cross beam 7 to the column body 1, realize a quick locking device, avoid the shaking of the cross beam 7, ensure the stability of the cable 4 to be tested hung on the cross beam 7, and can be suitable for a cable 4 thermal extension test scene in which the cable 4 is frequently installed and removed through the quick locking device. The whole device is low in cost, stable in quick locking effect and good in locking effect, and can be better applied to scenes including thermal extension testing of the cable 4.
The embodiment disclosed in the present specification is merely an illustration of one-sided features of the present utility model, and the protection scope of the present utility model is not limited to this embodiment, and any other functionally equivalent embodiment falls within the protection scope of the present utility model. Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A quick locking device for cable thermal extension test is characterized by comprising a column body, a beam, a quick locking assembly and a clip, wherein the column body is connected with the beam, the clip is used for hanging a cable to be tested on the beam,
the quick lock assembly is connected with the column body and the cross beam respectively and is used for connecting the cross beam on the column body, so that the influence on the thermal extension test of the tested cable caused by shaking of the cross beam is avoided.
2. The quick lock device for thermal extension test of cable according to claim 1, wherein a plurality of cylinders and quick lock assemblies are provided, the cylinders and the quick lock assemblies are in one-to-one correspondence, and the quick lock assemblies are used for locking the corresponding cylinders on the cross beam.
3. The quick lock device for thermal extension testing of cables of claim 2, wherein each cylinder is spaced along and on one side of the beam and each quick lock assembly is spaced along and on the beam.
4. A quick lock device for thermal extension testing of cables according to claim 3, wherein a plurality of clips are provided, each clip being disposed along the axial direction of the cross beam and being located on the cross beam.
5. The quick lock device for thermal extension testing of cables of claim 4, wherein the clip and the quick lock assembly are on the same side of the cross beam and the post is on the other side of the clip and the quick lock assembly.
6. The quick lock device for thermal extension test of cable according to claim 5, wherein the quick lock assembly comprises a locking piece, a bolt and a locking column, the locking piece and the column are in one-to-one correspondence, the locking piece is mounted on the beam, the locking piece comprises two longitudinal through holes and a transverse through hole which are mutually communicated, the longitudinal through hole longitudinally penetrates the locking piece, the transverse through hole penetrates into the locking piece from one side of the locking piece and is communicated with the longitudinal through hole,
one end of the lock post is connected with the post body, the other end of the lock post extends into the longitudinal through hole and can rotate relative to the longitudinal through hole, so that the lock post can at least rotate to a first position and a second position, the lock post at the first position is provided with a groove opposite to the transverse through hole, a bolt can be inserted into the groove by extending into the transverse through hole, the lock post at the second position is provided with a groove opposite to or deviated from the transverse through hole, the bolt can not be inserted into the groove by extending into the transverse through hole,
the bolt extends into the transverse through hole from one side of the locking piece, and the bolt can slide along the axial direction of the transverse through hole, so that the bolt can be far away from or close to the groove.
7. The quick lock device for thermal extension testing of cables of claim 6, wherein the locking block is fixedly or removably mounted to the cross beam and is opposite the post.
8. The quick lock device for thermal extension test of cable according to claim 7, wherein the lock post comprises a post rear portion, a post middle portion and a post front portion, wherein the diameter of the post rear portion and the diameter of the post front portion are both smaller than Yu Suozhu middle portion, the post front portion is gradually reduced in radian along a direction away from the post middle portion, the post rear portion extends into the circular hole of the post to be fixedly or detachably connected with the post, the post middle portion is used for limiting to prevent the whole post from sliding into the circular hole of the post, the post middle portion and the post front portion extend into the longitudinal through hole, at least a part of the post front portion is exposed on the longitudinal through hole, and one side of the post is provided with the groove.
9. The quick lock device for thermal extension test of cable according to claim 8, wherein the grooves are arc-shaped, the grooves are arranged along the circumferential direction of the lock cylinder, and the grooves are arranged at intervals along both ends of the circumferential direction of the lock cylinder.
10. The quick lock device for thermal extension test of cable according to claim 9, wherein the plug comprises a plug lock head, a plug boss, a plug front cylinder, a plug rear cylinder and a plug tray table which are connected in sequence, the plug boss is circumferentially mounted on the plug lock head and the plug front cylinder, and the diameters of the plug lock head and the plug front cylinder are smaller than the diameter of the plug lock head, and the plug boss is used for limiting the insertion depth of the plug extending into the transverse through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320483072.0U CN219737124U (en) | 2023-03-13 | 2023-03-13 | Quick locking device for cable thermal extension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320483072.0U CN219737124U (en) | 2023-03-13 | 2023-03-13 | Quick locking device for cable thermal extension test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737124U true CN219737124U (en) | 2023-09-22 |
Family
ID=88059595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320483072.0U Active CN219737124U (en) | 2023-03-13 | 2023-03-13 | Quick locking device for cable thermal extension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737124U (en) |
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2023
- 2023-03-13 CN CN202320483072.0U patent/CN219737124U/en active Active
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