CN219757924U - Special auxiliary clamp for cable tension test - Google Patents
Special auxiliary clamp for cable tension test Download PDFInfo
- Publication number
- CN219757924U CN219757924U CN202320976355.9U CN202320976355U CN219757924U CN 219757924 U CN219757924 U CN 219757924U CN 202320976355 U CN202320976355 U CN 202320976355U CN 219757924 U CN219757924 U CN 219757924U
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- China
- Prior art keywords
- cover plate
- cable
- auxiliary clamp
- tension test
- cable tension
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009864 tensile test Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of tension tests, in particular to an auxiliary clamp special for a cable tension test, which is characterized by being combined by a sliding seat and a fixed seat, wherein the fixed seat structure comprises the sliding seat, an upper cover plate, a lower cover plate and a positioning column; the sliding seat structure comprises a seat body, an inner core, a hanging wheel frame, a change gear, a side wheel frame and a side wheel, wherein a trapezoid through groove with a narrow front and a wide rear is arranged on the seat body, and a conical containing cavity of the inner core is matched with a prefabricate body at the end part of a cable; the left side and the right side of the seat body are symmetrically connected with a change gear and a side gear. Compared with the prior art, the utility model has the beneficial effects that: 1) The cable fixing device is suitable for cables with diameters of more than 3mm to be used for tension tests, and can be used for rapidly fixing the cables and conveniently and rapidly completing the tension tests. 2) The fixture positioning effect is good.
Description
Technical Field
The utility model relates to the technical field of tension tests, in particular to an auxiliary clamp special for a cable tension test.
Background
The tensile resistance test of the material is mainly used for measuring the tensile property of the material, and the tensile property can be detected by the tensile test. In a tensile test (stress-strain test), two ends of a sample of a material are generally clamped between two clamps spaced apart by a predetermined distance, the clamps are separated at a predetermined speed, the sample is pulled, and a change in stress on the sample is measured until the sample breaks. The tensile test is one of the most widely used methods for researching the mechanical strength of materials, when the tensile test is carried out on the existing steel wire rope (or a wire, a steel-cored aluminum strand and the like) tensile test equipment, the steel wire rope is mainly clamped and fixed through a clamp of the tensile test, so that when the steel wire rope is stressed and deformed, the clamping force between the clamp and the steel wire rope is unstable, the clamp and the steel wire rope are easy to loosen, the result of the tensile test is influenced, and the use requirement cannot be met.
The utility model patent application number 201220415727.2 discloses a steel wire rope tensile testing machine clamp which comprises an upper clamp and a lower clamp which are correspondingly fixed on a tensile testing machine, wherein the upper clamp and the lower clamp comprise clamp bottom plates, guide blocks are fixed on the clamp bottom plates, circular arc-shaped guide grooves are formed in the guide blocks, steel wire rope samples bypass the guide blocks on the upper clamp and the lower clamp, pressing assemblies for locking two ends of the steel wire rope samples are arranged on the clamp bottom plates, and auxiliary locking assemblies are arranged on the clamp bottom plates of the upper clamp and the lower clamp. The structure is fixed by adopting a winding mode of the end part of the steel wire rope, and is not suitable for clamping and fixing the steel wire rope with larger diameter.
The Chinese patent application No. 201621387989.7 discloses a wire rope clamp for tensile test, which comprises a first clamping plate, a second clamping plate and an outer lining plate, wherein the first clamping plate and the second clamping plate are connected through a through hole and a first bolt and nut in a matched manner, matched corrugated protruding parts and concave parts are respectively arranged on opposite surfaces of the first clamping plate and the second clamping plate, the first clamping plate or the second clamping plate is formed by hinging at least two clamping plate sections, the at least two clamping plate sections are arranged side by side along the extending direction of the wire rope between the first clamping plate and the second clamping plate, and the first clamping plate or the second clamping plate formed by hinging at least two clamping plate sections is fixedly connected with the outer lining plate through screw holes and a second bolt. The clamp is clamped by adopting a corrugated clamping surface, is not suitable for large-diameter steel wire ropes, is clamped by means of surface friction, has slipping condition, and is easy to damage a tension machine.
Disclosure of Invention
The utility model aims to provide an auxiliary clamp special for cable tension test, which overcomes the defects of the prior art, is suitable for cable with the diameter of more than 3mm to be used for tension test, and is characterized in that an inverted cone-shaped head part is prefabricated at the end part of the cable by resin adhesive, and is fixed by matching with an inner core of the clamp to manufacture a test rope group, so that the tension test is conveniently and rapidly completed.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the special auxiliary clamp for the cable tension test is characterized by being combined by a sliding seat and a fixed seat, wherein the fixed seat structure comprises the sliding seat, an upper cover plate, a lower cover plate and positioning columns, the sliding seat is arranged between the upper cover plate and the lower cover plate through bolts, two ends of the upper cover plate and the lower cover plate are respectively provided with one positioning column, and the positioning columns are matched with positioning holes on the rail side of a tension machine; the sliding seat structure comprises a seat body, an inner core, a hanging wheel frame, a change gear, a side wheel frame and a side wheel, wherein a trapezoid through groove with a narrow front and a wide rear is formed in the seat body, the inner core is arranged in the trapezoid through groove, the left and right split structures are connected into a whole through screws, the combined inner core forms a conical containing cavity with a large inner part and a small outer part, and the conical containing cavity is matched with a prefabricate body at the end part of a cable; the left side and the right side of the seat body are symmetrically connected with a hanging wheel frame and a side wheel frame, the hanging wheel frame is connected with a hanging wheel through a hanging wheel shaft, the side wheel frame is connected with a side wheel through a side wheel shaft, the hanging wheel is matched with an upper rail of the tension machine, and the side wheel is matched with an inner rail of the tension machine.
Further, the change gear and/or the side wheel are/is made of a radial ball bearing.
Further, the inner core is provided with a lifting ring screw.
Further, a handle is arranged on the upper cover plate.
Further, a baffle pad is arranged between the top end of the positioning column and the upper cover plate, and a quick-mounting bolt is arranged on the baffle pad.
Further, the bottom of the trapezoid through groove is provided with a supporting plate, and the supporting plate is connected with the base body through a screw.
Furthermore, the hanging wheel shaft and the hanging wheel frame are provided with positioning jackscrews.
Further, the cable is any one of a wire, a steel wire rope or a steel-cored aluminum stranded wire.
Compared with the prior art, the utility model has the beneficial effects that: 1) The fixing device is suitable for a cable with the diameter of more than 3mm to be used for a tension test, the end part of the cable is prefabricated into an inverted cone-shaped head part by resin adhesive, and the fixing device can be matched with an inner core of a fixture to be used for rapidly completing the tension test conveniently and rapidly. 2) The change gear and the side wheels are used in bilateral symmetry, so that a good positioning effect can be achieved on the clamping apparatus, and the phenomenon that the clamping apparatus shifts when moving on a tension machine to influence accurate transmission of tension is avoided. 3) The fixing base can be quickly connected with the tension machine through the quick-mounting bolts, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of an arrangement of a slider and a holder according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a carriage structure according to an embodiment of the present utility model;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a schematic view of a fixing base according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of the core and cable assembly of the present utility model.
In the figure: the device comprises a 1-sliding seat, a 2-fixed seat, a 3-upper cover plate, a 4-lower cover plate, a 5-positioning column, a 6-positioning hole, a 7-seat body, an 8-inner core, a 9-hanging wheel carrier, a 10-hanging wheel, an 11-side wheel carrier, a 12-side wheel, a 13-screw, a 14-cable, a 15-prefabricated body, a 16-hanging wheel shaft, a 17-side wheel shaft, a 18-hanging ring screw, a 19-handle, a 20-baffle pad, a 21-quick-assembly bolt and a 22-supporting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein can be arranged and designed in a wide variety of 0 different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
1-5 are schematic diagrams of an embodiment of an auxiliary clamp special for a cable tension test, which is combined by a sliding seat 1 and a fixed seat 2, wherein the fixed seat 2 comprises the sliding seat 1, an upper cover plate 3, a lower cover plate 4 and a positioning column 5, the sliding seat 1 is arranged between the upper cover plate 3 and the lower cover plate 4 through bolts, two ends of the upper cover plate 3 and the lower cover plate 4 are respectively provided with a positioning column 5, and the positioning columns 5 are matched with positioning holes 6 on the track side of a tension machine; the sliding seat 1 comprises a seat body 7, an inner core 8, a hanging wheel frame 9, a change gear 10, a side wheel frame 11 and a side wheel 12, wherein a trapezoid through groove with a narrow front and a wide rear is arranged on the seat body 7, the inner core 8 is arranged in the trapezoid through groove, the inner core 8 is of a left-right split structure and is connected into a whole through a screw 13, the combined inner core 8 forms a conical containing cavity with a large inner part and a small outer part, and the conical containing cavity is matched with a prefabricated body 15 at the end part of a cable 14; the left side and the right side of the seat body 7 are symmetrically connected with a hanging wheel frame 9 and a side wheel frame 11, the hanging wheel frame 9 is connected with a hanging wheel 10 through a hanging wheel shaft 16, the side wheel frame 11 is connected with a side wheel 12 through a side wheel shaft 17, the hanging wheel 10 is matched with an upper rail of the tension machine, and the side wheel 12 is matched with an inner rail of the tension machine.
In the illustrated embodiment, the change gear 10 is formed as a radial ball bearing. The side wheels 12 are polyester wheels. The inner core 8 is provided with a suspension screw 18 for facilitating assembly and disassembly. The upper cover plate 3 is provided with a handle 19 for conveniently moving the fixed seat 2.
A baffle pad 20 is arranged between the top end of the positioning column 5 and the upper cover plate 3, and a fast-assembling bolt 21 is arranged on the baffle pad 20, so that the quick installation of the positioning column 5 is facilitated, and the test of cables with different lengths is adapted. The cable may be any of a wire, a wire rope, or a steel-cored aluminum strand.
The bottom of the trapezoid through groove in the sliding seat 1 is provided with a supporting plate 22, and the supporting plate 22 is connected with the seat body 7 through a screw and used for limiting the inner core and preventing falling. The lower cover plate 4 is arranged in the fixing seat, so that the supporting plate 22 can not be installed.
The hanging wheel shaft 16 and the hanging wheel frame 9 are provided with positioning jackscrews 23, so that the hanging wheel shaft can be kept fixed and not rotated, and accidents caused by unexpected falling off are prevented.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The special auxiliary clamp for the cable tension test is characterized by being combined by a sliding seat and a fixed seat, wherein the fixed seat structure comprises the sliding seat, an upper cover plate, a lower cover plate and positioning columns, the sliding seat is arranged between the upper cover plate and the lower cover plate through bolts, two ends of the upper cover plate and the lower cover plate are respectively provided with one positioning column, and the positioning columns are matched with positioning holes on the rail side of a tension machine;
the sliding seat structure comprises a seat body, an inner core, a hanging wheel frame, a change gear, a side wheel frame and a side wheel, wherein a trapezoid through groove with a narrow front and a wide rear is formed in the seat body, the inner core is arranged in the trapezoid through groove, the left and right split structures are connected into a whole through screws, the combined inner core forms a conical containing cavity with a large inner part and a small outer part, and the conical containing cavity is matched with a prefabricate body at the end part of a cable; the left side and the right side of the seat body are symmetrically connected with a hanging wheel frame and a side wheel frame, the hanging wheel frame is connected with a hanging wheel through a hanging wheel shaft, the side wheel frame is connected with a side wheel through a side wheel shaft, the hanging wheel is matched with an upper rail of the tension machine, and the side wheel is matched with an inner rail of the tension machine.
2. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: the change gear and/or the side wheel are made of centripetal ball bearings.
3. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: and the inner core is provided with a flying screw.
4. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: and a handle is arranged on the upper cover plate.
5. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: a baffle pad is arranged between the top end of the positioning column and the upper cover plate, and a quick-mounting bolt is arranged on the baffle pad.
6. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: the bottom of the trapezoid through groove is provided with a supporting plate, and the supporting plate is connected with the seat body through a screw.
7. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: and positioning jackscrews are arranged on the hanging wheel shafts and the hanging wheel frames.
8. The auxiliary clamp special for cable tension test as defined in claim 1, wherein: the cable is any one of a wire, a steel wire rope or a steel-cored aluminum stranded wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320976355.9U CN219757924U (en) | 2023-04-26 | 2023-04-26 | Special auxiliary clamp for cable tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320976355.9U CN219757924U (en) | 2023-04-26 | 2023-04-26 | Special auxiliary clamp for cable tension test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757924U true CN219757924U (en) | 2023-09-26 |
Family
ID=88088922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320976355.9U Active CN219757924U (en) | 2023-04-26 | 2023-04-26 | Special auxiliary clamp for cable tension test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757924U (en) |
-
2023
- 2023-04-26 CN CN202320976355.9U patent/CN219757924U/en active Active
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