CN210465126U - Steel wire rope stretching device adopting winding method - Google Patents
Steel wire rope stretching device adopting winding method Download PDFInfo
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- CN210465126U CN210465126U CN201921386863.1U CN201921386863U CN210465126U CN 210465126 U CN210465126 U CN 210465126U CN 201921386863 U CN201921386863 U CN 201921386863U CN 210465126 U CN210465126 U CN 210465126U
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Abstract
The utility model discloses a winding method steel wire rope stretching device, which comprises an upper chassis, a front clamping unit, a rear clamping unit and a steel wire rope winding unit; the top of the upper chassis is provided with a transverse T-shaped groove, a movable positioning bolt is arranged in the T-shaped groove, and the front clamping unit and the rear clamping unit are fixed at the bottom of the upper chassis through the positioning bolt; the steel wire rope winding unit is fixed on the rear clamping unit, and the front clamping unit is provided with an arc-shaped part matched with the steel wire rope winding unit; the steel wire rope winding unit is clamped on the arc-shaped part; and the steel wire rope to be tested is fixed on the steel wire rope winding unit. The wire rope groove diameter adjusting device can adjust the diameter of the wire rope groove, is suitable for all steel wire rope tensile tests below 20mm, has a good centering effect, is accurate in test data, and can well meet the requirements of a GB/T8358 winding method.
Description
Technical Field
The utility model relates to a wire rope stretching device, concretely relates to winding method wire rope stretching device.
Background
The steel wire rope is a rope made by twisting a plurality of or a plurality of strands of thin steel wires, is a flexible member widely applied in engineering, has the advantages of high strength, light dead weight, good elasticity and the like, and people are always exploring various test methods for detecting the steel wire rope and striving to control the performance of the steel wire rope. In GB/T8358, four methods of a pouring method, a sleeve pressing method, a winding method and a direct clamping method are specified for the breaking force test of the steel wire rope. For the steel wire rope with the diameter smaller than 20mm, the pouring method and the sleeve pressing method are relatively complex to operate, the direct clamping and strand breaking are easy to occur at the clamping end, and the winding method is a relatively simple and easy-to-achieve test method. In GB/T8358, the ratio of the diameter of the winding test wheel to the nominal diameter of the steel wire rope is required to be not less than 16 in the winding method, and the diameter of the rope groove of the steel wire rope is controlled to be 1.06-1.10 times of the diameter of the steel wire rope. The steel wire rope stretching device adopting the winding method commonly used in the market at present can not adjust the diameter of a rope groove, and can not be suitable for the pull-up test of all steel wire ropes with the diameter less than 20 mm. Therefore, a new winding method steel wire rope stretching device is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a winding method wire rope stretching device, its function that can realize adjusting the grooving diameter is applicable to all wire rope tensile tests below 20 mm.
In order to solve the technical problem, the utility model provides a winding method steel wire rope stretching device, which comprises an upper chassis, a front clamping unit, a rear clamping unit and a steel wire rope winding unit; the top of the upper chassis is provided with a transverse T-shaped groove, a movable positioning bolt is arranged in the T-shaped groove, and the front clamping unit and the rear clamping unit are fixed at the bottom of the upper chassis through the positioning bolt; the steel wire rope winding unit is fixed on the rear clamping unit, and the front clamping unit is provided with an arc-shaped part matched with the steel wire rope winding unit; the steel wire rope winding unit is clamped on the arc-shaped part; and the steel wire rope to be tested is fixed on the steel wire rope winding unit.
Preferably, the top of the upper chassis is provided with a clamping rod, and the clamping rod is coaxial with the external pulling part of the steel wire rope to be tested.
Preferably, the central axis of the clamping bar and a midpoint of a distance between the front clamping unit and the rear clamping unit define a plane parallel to both an inner surface of the front clamping unit and an inner surface of the rear clamping unit.
Preferably, the winding method steel wire rope stretching device comprises a first winding ring and a second winding ring, wherein the first winding ring is a semicircular arc-shaped ring, and the second winding ring is a profiled ring with the tail end retracted inwards.
Preferably, an inner hexagon bolt for fixing the steel wire rope to be measured is arranged at a gap between the head end of the first winding ring and the tail end of the second winding ring, and the inner hexagon bolt is radially opened.
Preferably, the distance between the front clamping unit and the rear clamping unit is adjusted through the positioning bolt, and the diameter of the steel wire rope to be measured is determined.
Preferably, the steel wire rope to be tested is wound on the steel wire rope winding unit in a counterclockwise direction.
Preferably, the thickness of the wire rope winding unit is not less than 20 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can change the positions of the front clamping unit and the rear clamping unit through the positioning bolt, can adjust the size of the rope groove formed between the front clamping unit and the rear clamping unit, and is suitable for the tensile test of all specifications of steel wire ropes below 20 mm;
2. the utility model discloses the wire rope winding unit that sets up not only can fix the wire rope that awaits measuring and can also be even with the external force dispersion that wire rope received.
3. The utility model has the advantages of simple structure, the equipment of wire rope winding unit is simple and easy with the dismantlement, workman convenient operation, and the data of test are accurate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a left side view structure diagram of the present invention.
The device comprises a clamping rod 1, an upper chassis 2, a front clamping unit 3, a rear clamping unit 4, a steel wire rope winding unit 5, a positioning bolt 6, a T-shaped groove 7, a steel wire rope 8, a hexagon socket head cap screw 9, a tail end 10, a head end 11, a winding ring I12 and a winding ring II 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 3, the utility model discloses a winding method wire rope stretching device, including last chassis 2, preceding clamping unit 3, back clamping unit 4 and wire rope winding unit 5.
The number of the winding method steel wire rope stretching devices is at least two, and the two winding method steel wire rope stretching devices are placed up and down and are symmetrically arranged; both ends of the steel wire can be fixed, and the tensile test of the steel wire rope 8 can be smoothly completed.
A transverse T-shaped groove 7 is formed in the top of the upper chassis 2, a movable positioning bolt 6 is arranged in the T-shaped groove 7, and the front clamping unit 3 and the rear clamping unit 4 are fixed at the bottom of the upper chassis 2 through the positioning bolt 6; a gap is arranged between the front clamping unit 3 and the rear clamping unit 4; the wire rope winding unit 5 is fixed to the rear clamping unit 4. The front clamping unit 3 is provided with an arc part matched with the steel wire rope winding unit 5; the steel wire rope winding unit 5 is clamped on the arc-shaped part; and the steel wire rope 8 to be tested is fixed on the steel wire rope winding unit 5. The upper chassis 2 comprises a clamping rod 1, the clamping rod 1 is arranged at the top of the upper chassis, and the clamping rod 1 and the external pulling part of the steel wire rope 8 to be tested are coaxial. The alignment effect can be good, and therefore more accurate test data can be obtained.
The arc-shaped part comprises a first winding ring 12 and a second winding ring 13, wherein the first winding ring 12 is a semicircular arc-shaped ring, and the second winding ring 13 is a special-shaped ring with the tail end 10 retracted inwards. And an inner hexagon bolt 9 for fixing the steel wire rope 8 to be tested is arranged at a gap between the head end 11 of the first winding ring 12 and the tail end 10 of the second winding ring 13, and the inner hexagon bolt 9 is radially opened. The steel wire rope 8 to be measured can pass through the arc-shaped part easily and is wound on the steel wire rope winding unit 5, the steel wire rope 8 to be measured is fixed through the hexagon socket head cap screw 9, the steel wire rope 8 cannot slide off the steel wire rope winding unit 5, the steel wire rope winding unit 5 in the arc shape enables the stress of the steel wire rope to be more uniform, and the obtained measuring result is more accurate.
The mode of winding the steel wire rope 8 to be measured on the steel wire rope winding unit 5 is anticlockwise. The difficulty of putting the steel wire rope 8 into the steel wire rope winding unit 5 can be reduced, and the efficiency of the tensile test of the steel wire rope 8 is improved.
The diameter of the steel wire rope 8 to be measured is adjusted according to the requirement of GB/T8358 national standard on the diameter of the rope groove through the positioning bolt 6, so that the diameter of the steel wire rope to be measured can be determined, a plane is determined by the central axis of the clamping rod 1 and the middle point of the distance between the front clamping unit 3 and the rear clamping unit 4, and the plane is parallel to the inner surface of the front clamping unit 3 and the inner surface of the rear clamping unit 4; the aligning effect between the steel wire rope 8 and the clamping rod 1 can be enhanced, and the steel wire rope clamping device can be applied to the tensile test of the steel wire ropes 8 with different specifications.
The materials of the upper chassis 2, the front clamping unit 3, the rear clamping unit 4 and the wire rope winding unit 5 are the same and the specifications of these materials are the same.
The thickness of the steel wire rope winding unit is not less than 20mm, so the steel wire rope stretching device by the winding method is suitable for stretching tests of steel wire ropes 8 with all specifications of below 20 mm.
The upper chassis 2, the front clamping unit 3, the rear clamping unit 4 and the steel wire rope winding unit 5 are mirror images of each other, and the two sets of the upper chassis 2, the front clamping unit 3, the rear clamping unit 4 and the steel wire rope winding unit 5 which are mirror images of each other are respectively positioned at two ends of a steel wire rope 8 to be detected.
The working principle is as follows: the clamping rod 1 is fixed at the top of the upper chassis 2, the upper chassis 2 is connected with the front clamping unit 3 and the rear clamping unit 4 through the positioning bolt 6, the T-shaped groove 9 is formed in the upper chassis 2 and used for positioning the front clamping unit 3 and the rear clamping unit 4 through the positioning bolt 6, the steel wire rope winding unit 5 is fixed on the rear clamping unit 4 through the hexagon socket head cap screw 9, and the tangent line of the winding device is aligned with the central line of the clamping rod.
The diameter of the steel wire rope 8 to be tested is adjusted according to the requirement of GB/T8358 on the diameter of the rope groove, the positions of the front clamping unit 3 and the rear clamping unit 4 are adjusted, and the center of the rope groove formed by the front clamping unit 3 and the rear clamping unit 4 is ensured to be on the same plane with the center line of the clamping rod 1. Pass radial open-ended hexagon socket head cap screw 9 with wire rope 8's one end, die on back clamping unit 4 through nut and gasket with wire rope 8's one end lock, with wire rope 8 around wire rope winding unit 5 anticlockwise winding on wire rope winding unit 5, the tensile preparation of wire rope 8 one of them one end can be accomplished to the supporting rod 1 that will be arranged in last chassis 2 direct with tensile testing machine anchor clamps be connected and taut.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A winding method wire rope stretching device is characterized by comprising:
the device comprises an upper chassis, a front clamping unit, a rear clamping unit and a steel wire rope winding unit;
the top of the upper chassis is provided with a transverse T-shaped groove, a movable positioning bolt is arranged in the T-shaped groove, and the front clamping unit and the rear clamping unit are fixed at the bottom of the upper chassis through the positioning bolt; the steel wire rope winding unit is fixed on the rear clamping unit, and the front clamping unit is provided with an arc-shaped part matched with the steel wire rope winding unit; the steel wire rope winding unit is clamped on the arc-shaped part; and the steel wire rope to be tested is fixed on the steel wire rope winding unit.
2. The spooling cord tension device of claim 1, wherein a clamping bar is provided on top of the upper chassis, the clamping bar being coaxial with the outer pull portion of the cord being tested.
3. The spooling cord tension device of claim 2, wherein the central axis of the gripping shank and the midpoint of the spacing between the front clamping unit and the rear clamping unit define a plane that is parallel to both the inner surface of the front clamping unit and the inner surface of the rear clamping unit.
4. The apparatus for drawing a reeving cord as claimed in claim 1, wherein the arcuate portion comprises a first reeving ring and a second reeving ring, the first reeving ring being a semi-arcuate ring, the second reeving ring being a profiled ring with a recessed end.
5. The rope tensioning device according to claim 4, wherein a hexagon socket head cap screw for fixing the rope to be measured is provided at a gap between the head end of the first winding ring and the tail end of the second winding ring, and the hexagon socket head cap screw has a radial opening.
6. The steel wire rope stretching device by the winding method according to claim 5, wherein the upper chassis, the front clamping unit, the rear clamping unit and the steel wire rope winding unit are mirror images of each other, and the two sets of the upper chassis, the front clamping unit, the rear clamping unit and the steel wire rope winding unit which are mirror images of each other are respectively located at two ends of the steel wire rope to be tested.
7. The winding method wire rope stretching device according to claim 6, wherein the wire rope to be measured is wound around the wire rope winding unit counterclockwise.
8. The winding method wire rope stretching device according to claim 7, wherein the thickness of the wire rope winding unit is not less than 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386863.1U CN210465126U (en) | 2019-08-26 | 2019-08-26 | Steel wire rope stretching device adopting winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386863.1U CN210465126U (en) | 2019-08-26 | 2019-08-26 | Steel wire rope stretching device adopting winding method |
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| Publication Number | Publication Date |
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| CN210465126U true CN210465126U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921386863.1U Active CN210465126U (en) | 2019-08-26 | 2019-08-26 | Steel wire rope stretching device adopting winding method |
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| CN (1) | CN210465126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432847A (en) * | 2020-11-20 | 2021-03-02 | 浙江工业大学 | Clamp suitable for stretching of cord |
-
2019
- 2019-08-26 CN CN201921386863.1U patent/CN210465126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432847A (en) * | 2020-11-20 | 2021-03-02 | 浙江工业大学 | Clamp suitable for stretching of cord |
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