CN219161819U - Clamping mechanism of cable bending testing machine - Google Patents
Clamping mechanism of cable bending testing machine Download PDFInfo
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- CN219161819U CN219161819U CN202223360866.2U CN202223360866U CN219161819U CN 219161819 U CN219161819 U CN 219161819U CN 202223360866 U CN202223360866 U CN 202223360866U CN 219161819 U CN219161819 U CN 219161819U
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Abstract
The utility model belongs to the field of cable bending test equipment, and provides a clamping mechanism of a cable bending test machine, which comprises: the device comprises two mounting brackets which are arranged up and down in parallel, a first clamping group and a second clamping group which are respectively connected in the mounting brackets, and a synchronous component which is respectively connected in the mounting brackets and is respectively connected with the first clamping group and the second clamping group; the first clamping group and the second clamping group synchronously move through the synchronous assembly respectively, so that the central lines of the first clamping group and the second clamping group are always kept on the same straight line, the cables are ensured to be vertical when the cables with different diameters are clamped, the cable bending test is standardized, and the accuracy of test data is improved.
Description
Technical Field
The utility model relates to the field of cable bending experimental equipment, in particular to a clamping mechanism of a cable bending testing machine.
Background
The cable bending experiment is one of important parameters for checking the quality of the cable. The cable bending tester can be used for finishing the durability detection of the cable, and comprehensively analyzing whether the quality of the wire meets the national CCC requirement or not through the swinging times, angles and speeds; different cables are tested according to the execution standard.
The cable bending tester generally includes: sample clamp, limit post, binding post and weight; wherein, the style clamp includes: a clamping group for clamping the sample, and a roller group for bending the sample at the lower side of the clamping group; according to different sample diameters, the distance between the clamping group and the roller group needs to be adjusted, and after the adjustment is not paid attention to the center positions of the clamping group and the roller group, once the clamping is deviated, the bending angle is not in place, and the problem of improper operation is caused, so that the final inspection data of the cable can be influenced in thousands of experiments, and the deviation of the data can be caused.
Disclosure of Invention
The utility model discloses a clamping mechanism of a cable bending test machine, which is used for solving the technical problem of ensuring the cable clamping verticality in the background technology.
The technical scheme provided by the utility model is as follows: a clamping mechanism for a cable bend testing machine, comprising: the device comprises two mounting brackets which are arranged up and down in parallel, a first clamping group and a second clamping group which are respectively connected in the mounting brackets, and a synchronous component which is respectively connected in the mounting brackets and is respectively connected with the first clamping group and the second clamping group;
the mounting bracket includes: a frame-type bracket body;
the synchronization assembly includes: the gear is connected with the center position of the inner rear side wall of the bracket body in a shaft way, and the first rack and the second rack are meshed on the upper side and the lower side of the gear;
the first clamping group includes: two clamping wheels movably connected in the bracket body, wherein the two clamping wheels are respectively connected with the first rack and the second rack;
the second clamping group includes: two clamping blocks movably connected in the bracket body are respectively connected with the first rack and the second rack.
Further, two first movable grooves are symmetrically formed in the rear side wall of the support body, and a second movable groove is formed in the front side wall of the support body.
Further, the rear side of the clamping wheel is connected with a first limiting piece, and the first limiting piece is movably connected in the first movable groove; the front side of the clamping wheel is connected with a first threaded rod which is movably connected in the second movable groove and is connected with a fastening nut; a first limiting part on the clamping wheel is connected with the first rack through a first connecting part, and a first limiting part on the clamping wheel is connected with the second rack through a first connecting part.
Further, the front side and the rear side of the clamping block are both connected with second limiting pieces, and the second limiting pieces are respectively and movably connected in the first movable groove and the second movable groove; the second limiting piece on the clamping block is connected with the first rack through the second connecting piece, and the second limiting piece on the clamping block is connected with the second rack through the second connecting piece.
Further, threaded holes are formed in the left side wall and the right side wall of the bracket body connected with the second clamping group, and locking screws are connected in the threaded holes.
Further, the arc clamping surfaces are arranged on the lower sides of the clamping surfaces of the clamping blocks.
Further, the support body downside of connecting the second centre gripping group is connected with first backup pad, and first backup pad is connected with slewing mechanism.
Further, the lower side of the bracket body connected with the first clamping group is connected with a second supporting plate, and the second supporting plate is connected to the testing machine.
Further, two limiting plates extend to the inner side of the rear side wall of the support body, and the outer parts of the first rack and the second rack are respectively contacted with the inner sides of the limiting plates.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the clamping mechanism of the cable bending test machine, the first clamping group and the second clamping group are always kept on the same straight line by arranging the synchronous assembly, so that the cable is ensured to be vertical when cables with different diameters are clamped, the cable bending test is standardized, and the accuracy of test data is improved.
(2) According to the clamping mechanism of the cable bending testing machine, the arc-shaped clamping surfaces are arranged on the lower sides of the clamping surfaces of the clamping blocks, so that the problem that the test data are affected due to abrasion of the right-angle side pair cables when the clamping mechanism drives the pair cables to bend is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the clamping mechanism of the present utility model;
FIG. 2 is a cross-sectional view of a first clamping group connection mounting bracket of the present utility model;
FIG. 3 is a cross-sectional view of a second clamping group connection mounting bracket of the present utility model;
fig. 4 is a schematic structural view of the mounting bracket of the present utility model.
The reference numerals are as follows: 1. the clamping device comprises a first clamping group, 11, clamping wheels, 12, a first limiting piece, 13, a first connecting piece, 14, a first threaded rod, 15, a fastening nut, 2, a second clamping group, 21, clamping blocks, 211, an arc-shaped clamping surface, 22, a second limiting piece, 23, a second connecting piece, 24, a threaded hole, 25, a locking screw, 3, a mounting bracket, 31, a bracket body, 32, a first movable groove, 33, a limiting plate, 34, a second movable groove, 4, a synchronous component, 41, a gear, 42, a first rack, 43, a second rack, 5, a first support plate, 6 and a second support plate.
Detailed Description
The utility model will be described in further detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the present utility model is a clamping mechanism of a cable bending test machine, comprising: the two mounting brackets 3 are arranged in parallel up and down, and are respectively connected with the first clamping group 1 and the second clamping group 2 in the mounting brackets 3, and the synchronous component 4 is respectively connected with the first clamping group 1 and the second clamping group 2 in the mounting brackets 3;
the mounting bracket 3 includes: a frame-type holder body 31;
the synchronizing assembly 4 includes: a gear 41 pivotally coupled to the central position of the inner rear sidewall of the bracket body 31, and a first rack 42 and a second rack 43 engaged at the upper and lower sides of the gear 41;
the first clamping group 1 includes: two clamping wheels 11 movably connected in the bracket body 31, wherein the two clamping wheels 11 are respectively connected with a first rack 42 and a second rack 43;
the second clamping group 2 includes: the two clamping blocks 21 are movably connected in the bracket body 31, and the two clamping blocks 21 are respectively connected with the first rack 42 and the second rack 43.
Specifically, the first clamping group 1 is used for providing a bending angle of the cable, and the two clamping wheels 11 are synchronously moved towards the center through the synchronous mechanism 4.
Specifically, the second clamping group 2 is used for clamping a cable of a column, driving the cable to swing, so that the cable can be bent on the two clamping wheels 11, and the two clamping blocks 21 synchronously move towards the center position through the synchronous mechanism 4.
Specifically, through two synchro mechanism 4, guaranteed two grip wheels 11 and two grip blocks 21 to central point put synchronous motion to when the cable of centre gripping different specifications, can guarantee that the cable is in central point put always, thereby make the cable be the centre gripping under the perpendicular all the time, thereby guaranteed the standard of bending test, make its test result obtain guaranteeing.
Two first movable grooves 32 are symmetrically formed on the rear side wall of the bracket body 31, and a second movable groove 34 is formed on the front side wall of the bracket body 31; two limiting plates 33 extend from the inner side of the rear side wall of the bracket body 31.
Specifically, the first movable slot 32 is located at the center of the left and right sides of the rear sidewall of the bracket body 31, the second movable slot 34 is located at the center of the front sidewall of the bracket body 31, and the limiting plates 33 are located at the upper and lower sides of the first movable slot 32.
Specifically, the gear 41 is pivotally connected to a central position between the two first movable grooves 32, the first rack 42 is clamped between the limiting plate 32 and the gear 41 and is engaged with an upper side of the gear 41, and the second rack 43 is clamped between the limiting plate 32 and the gear 41 and is engaged with a lower side of the gear 41.
Specifically, the rear side of the clamping wheel 11 is connected with a first limiting piece 12, and the first limiting piece 12 is movably connected in a first movable groove 32; the front side of the clamping wheel 11 is connected with a first threaded rod 14, and the first threaded rod 14 is movably connected in a second movable groove 34 and is connected with a fastening nut 15; the first limiting piece 12 is connected with the first movable groove 32, the first threaded rod 14 is connected with the second movable groove 34, and the movement of the clamping wheel 11 is ensured; the clamping wheel 11 can be locked after its adjustment by means of the fastening nut 15.
Specifically, the first limiting piece 12 on the clamping wheel 11 is connected with the first rack 42 through the first connecting piece 13, and the first limiting piece 12 on the clamping wheel 11 is connected with the second rack 43 through the first connecting piece 13; the first limiting piece 12 on the left side is connected with the inside of the first rack 42 through the first connecting piece 13 upwards, the first limiting piece 12 on the right side is connected with the second rack 43 on the downward side through the first connecting piece 13, and the first connecting piece 13 is connected to one side, far away from the center, of the first rack 42 and the second rack 43; the synchronous movement of the two clamping wheels 11 is ensured by the upper and lower first and second toothed racks 42, 43.
Specifically, the front side and the rear side of the clamping block 21 are both connected with a second limiting piece 22, and the second limiting piece 22 is respectively and movably connected in the first movable groove 32 and the second movable groove 34; the second limiting piece 22 is connected with the first movable groove 32 and the second movable groove 34, so that the movement of the clamping block 21 is ensured.
Specifically, the second limiting piece 22 on the clamping block 21 is connected with the first rack 42 through the second connecting piece 23, and the second limiting piece 22 on the clamping block 21 is connected with the second rack 43 through the second connecting piece 23; the left second limiting piece 22 is connected with the inside of the first rack 42 upwards through the second connecting piece 23, the right second limiting piece 22 is connected with the second rack 43 downwards through the second connecting piece 23, and the second connecting pieces 23 are connected to the sides of the first rack 42 and the second rack 43 far away from the center; the synchronous movement of the two clamping blocks 21 is ensured by the upper and lower first and second racks 42, 43.
Specifically, threaded holes 24 are formed in the left and right side walls of the bracket body 31 connected with the second clamping group 2, and locking screws 25 are connected in the threaded holes 24; the inner end of the locking screw 25 is brought into contact with the outside of the clamp block 21, and the clamp block 21 is regulated and locked by tightening the locking screw 25 inward.
Preferably, the clamping surface lower sides of the clamping blocks 21 are respectively provided with an arc clamping surface 211, when two clamping blocks 21 clamp a cable and do bending test, the cable is propped against the working surface of the clamping block 21 when the cable is 90 degrees, and the problem of influence on test data caused by abrasion of clamping right-angle sides to the cable is solved by arranging the arc clamping surfaces 211.
Further, a first support plate 5 is connected to the lower side of the bracket body 31 connected to the second clamping group 2, and the first support plate 5 is connected to the rotating mechanism.
Further, the lower side of the bracket body 31 connected with the first clamping group 1 is connected with a second supporting plate 6, and the second supporting plate 6 is connected to the testing machine.
Working principle: threading the cable between the first clamping group 1 and the second clamping group 2, inwards adjusting the two clamping blocks 21, and fixing the cable by tightening the locking screw 25; the two clamping wheels 11 are adjusted inwards, so that after the bending clearance of the cable is ensured, the clamping wheels 11 are locked through the fastening nuts 15; the second clamping group 2 is driven by the rotating mechanism to clamp the cable to bend and swing on the two clamping wheels 11.
Claims (9)
1. Clamping mechanism of cable bending test machine, characterized by comprising: the device comprises two mounting brackets (3) which are arranged in parallel up and down, a first clamping group (1) and a second clamping group (2) which are respectively connected in the mounting brackets (3), and a synchronous assembly (4) which is respectively connected in the mounting brackets (3) and is respectively connected with the first clamping group (1) and the second clamping group (2);
the mounting bracket (3) comprises: a frame-type bracket body (31);
the synchronization assembly (4) comprises: a gear (41) which is axially connected to the center position of the inner rear side wall of the bracket body (31), and a first rack (42) and a second rack (43) which are meshed on the upper side and the lower side of the gear (41);
the first clamping group (1) comprises: two clamping wheels (11) movably connected in the bracket body (31), wherein the two clamping wheels (11) are respectively connected with the first rack (42) and the second rack (43);
the second clamping group (2) comprises: two clamping blocks (21) movably connected in the bracket body (31), wherein the two clamping blocks (21) are respectively connected with the first rack (42) and the second rack (43).
2. The clamping mechanism of a cable bending test machine as set forth in claim 1, wherein two first movable grooves (32) are symmetrically formed in the rear side wall of the bracket body (31), and a second movable groove (34) is formed in the front side wall of the bracket body (31).
3. The clamping mechanism of a cable bending test machine as set forth in claim 2, wherein a first limiting member (12) is connected to the rear side of the clamping wheel (11), and the first limiting member (12) is movably connected in the first movable groove (32); the front side of the clamping wheel (11) is connected with a first threaded rod (14), and the first threaded rod (14) is movably connected in the second movable groove (34) and is connected with a fastening nut (15); the first limiting piece (12) on the clamping wheel (11) is connected with the first rack (42) through a first connecting piece (13), and the first limiting piece (12) on the clamping wheel (11) is connected with the second rack (43) through the first connecting piece (13).
4. A clamping mechanism of a cable bending testing machine as claimed in claim 3, wherein the front and rear sides of the clamping block (21) are respectively connected with a second limiting piece (22), and the second limiting pieces (22) are respectively movably connected in the first movable groove (32) and the second movable groove (34); the second limiting piece (22) on the clamping block (21) is connected with the first rack (42) through a second connecting piece (23), and the second limiting piece (22) on the clamping block (21) is connected with the second rack (43) through the second connecting piece (23).
5. Clamping mechanism of a cable bending tester as claimed in claim 1, characterized in that the left and right side walls of the bracket body (31) connected with the second clamping group (2) are provided with threaded holes (24), and locking screws (25) are connected in the threaded holes (24).
6. Clamping mechanism of a cable bending tester as claimed in claim 1, characterized in that the clamping blocks (21) are provided with arc-shaped clamping surfaces (211) on the underside of the clamping surfaces.
7. Clamping mechanism of a cable bending tester as claimed in claim 1, characterized in that the underside of the bracket body (31) connecting the second clamping group (2) is connected with a first support plate (5), the first support plate (5) being connected with a rotating mechanism.
8. Clamping mechanism of a cable bending tester as claimed in claim 1, characterized in that the underside of the bracket body (31) to which the first clamping group (1) is connected with a second support plate (6), the second support plate (6) being connected to the tester.
9. The clamping mechanism of a cable bending test machine according to claim 1, wherein two limiting plates (33) extend from the inner side of the rear side wall of the bracket body (31), and the outer parts of the first rack (42) and the second rack (43) are respectively contacted with the inner sides of the limiting plates (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223360866.2U CN219161819U (en) | 2022-12-14 | 2022-12-14 | Clamping mechanism of cable bending testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223360866.2U CN219161819U (en) | 2022-12-14 | 2022-12-14 | Clamping mechanism of cable bending testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219161819U true CN219161819U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223360866.2U Active CN219161819U (en) | 2022-12-14 | 2022-12-14 | Clamping mechanism of cable bending testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219161819U (en) |
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2022
- 2022-12-14 CN CN202223360866.2U patent/CN219161819U/en active Active
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