CN211122283U - Clamp for large-load elevator steel wire rope breaking test - Google Patents
Clamp for large-load elevator steel wire rope breaking test Download PDFInfo
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- CN211122283U CN211122283U CN201922130370.8U CN201922130370U CN211122283U CN 211122283 U CN211122283 U CN 211122283U CN 201922130370 U CN201922130370 U CN 201922130370U CN 211122283 U CN211122283 U CN 211122283U
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Abstract
The utility model provides a big load elevator wire rope anchor clamps for rupture test, including wedge keep silent, first winding piece, second winding piece, first grip block and second grip block, fixed first winding piece of bilateral symmetry and second winding piece in the wedge keeps silent, the utility model discloses install the winding piece on experimental frame is kept silent, wire rope is inversion "8" font winding in first, in the recess of two winding pieces, then the rope end is first again, two grip block departments compress tightly fixedly, avoid experimental in the appearance of the wire rope phenomenon of skidding, it is fixed with the pretension to wire rope with the winding mode earlier, the grip block is fixed again, avoids clamping process anchor clamps to cause destruction to wire rope, leads to the wire rope clamping part to break apart the fracture, has improved experimental reliability and accuracy nature, has shortened test time greatly for the casting mode.
Description
Technical Field
The utility model relates to a wire rope technical field especially relates to a big load elevator wire rope anchor clamps for rupture test.
Background
Most of steel wire ropes in China can perform breakage tests on the steel wire ropes in the process of research and development, the tensile tests of the steel wire ropes are an important index for judging whether the strength of the steel wire ropes is qualified, lead antimony or other alloys are commonly adopted in the tests to pour a brush head of the steel wire ropes into a conical clamping mode at present, but the mode has some defects in actual work, the adopted heavy metals have certain harm to the working environment and operators, in addition, the labor intensity of alloy casting operation is high, the rope end of the steel wire ropes after casting can not adapt to the design of a machine base and a jaw of the tensile tests, a plurality of clamps are adopted to fix the end of the steel wire ropes in the test process for adapting, the clamps on test equipment can not be well occluded and seriously worn due to frequent use of the clamping parts, the phenomenon that the steel wire ropes fall off or break from the clamping parts can occur in the process, therefore, the test result can not be accurately judged in time, and the progress of test, research and development and production can be influenced.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide a wire rope that adapts to big load is difficult for droing or from the cracked test fixture in clamping part when carrying out the rupture test.
The utility model discloses the technical scheme who takes:
a clamp for a large-load elevator steel wire rope breakage test comprises a wedge-shaped jaw, a first winding block, a second winding block, a first clamping plate and a second clamping plate, wherein the first winding block and the second winding block are fixed in the wedge-shaped jaw in a bilateral symmetry manner, contact platforms are arranged at the bottoms of the first winding block and the second winding block, steel wire rope inlets through which steel wire ropes pass are formed in opposite sides of the contact platforms, a first groove and a second groove for winding the steel wire ropes are respectively formed in opposite sides of the first winding block and the second winding block, the first groove and the second groove are combined to form a waist-shaped channel winding groove, an outer baffle is arranged on the side, opposite to each other, of the first winding block and the second winding block, the outer baffle fastens the first winding block and the second winding block with two side walls of the wedge-shaped jaw through fastening bolts, a plurality of bolt connecting holes are formed in the tops of the first winding block and the second winding block, a plurality of bolt connecting holes are formed in the side wall of the top of the wedge-shaped jaw, the two sides of the top of the wedge-shaped jaw are connected with a first positioning piece through the bolt connecting holes in the side wall and the bolt connecting holes in the top of the first winding block, the bolt connecting holes are formed in the upper portion of the first positioning piece, the first positioning piece is connected with a first clamping plate through bolts, the two sides of the top of the wedge-shaped jaw are connected with a second positioning piece through the bolt connecting holes in the side wall and the bolt connecting holes in the top of the second winding block, the second positioning piece is connected with a second clamping plate through bolts, V-shaped grooves are formed in the opposite sides of the first clamping plate and the second clamping plate, two opposite V-shaped grooves in the first clamping plate and the second clamping plate form a steel wire rope end outlet, and a steel wire rope perforation is.
The two ends of the outer baffle are provided with folded edges, bolt holes are formed in the folded edges, and fastening bolts penetrate through the bolt holes to fasten and connect the first winding block and the second winding block with the side faces of the wedge-shaped jaw side walls.
The depth of the V-shaped groove is 1/3-1/2 of the diameter of the steel wire rope.
And the upper surfaces of the groove walls of the V-shaped grooves are uniformly provided with forceps teeth.
And arc-shaped transition surfaces opposite to the bending surfaces of the first groove and the second groove are arranged at the bottom openings of the first groove and the second groove on the first winding block and the second winding block.
The diameter of the steel wire rope inlet is larger than that of the steel wire rope for the test.
The utility model has the advantages that: the utility model discloses keep silent at experimental frame and install the winding piece, wire rope is and inverts "8" font winding first, in the recess of two winding pieces, then the rope end is first again, two grip blocks department compresses tightly fixedly, avoid experimental emergence of the phenomenon of skidding of wire rope, it is fixed to carry out the pretension with the winding mode to wire rope earlier, the grip block is fixed again, avoid the centre gripping process anchor clamps to cause destruction to wire rope, lead to the broken fracture in wire rope clamping part, experimental reliability and accuracy have been improved, test time has been shortened greatly for the casting mode.
Drawings
Fig. 1 is the utility model discloses a clamping structure schematic diagram when testing machine centre gripping wire rope carries out tensile test.
Fig. 2 is a schematic diagram of the first winding block structure of the present invention.
Fig. 3 is a right side view of the first winding block of the present invention.
Fig. 4 is a schematic structural diagram of the first clamping plate of the present invention.
Fig. 5 is a schematic view of the inverted 8-shaped winding manner of the steel wire rope on the first winding block and the second winding block.
Wherein: 1-wedge-shaped jaw; 2-a first positioning sheet; 3-a first clamping plate; 4-bolt connection holes; 5-a second clamping plate; 6-a second positioning sheet; 7-a second winding block; 8-an outer baffle; 9-a second groove; 10-arc transition surface; 11-steel wire rope inlet; 12-a steel wire rope; 13-a first groove; 14-a first winding block; 15-a contact stage; 16-V-shaped grooves; 17-forceps teeth.
Detailed Description
A clamp for a large-load elevator steel wire rope breakage test comprises a wedge-shaped jaw 1, a first winding block 14, a second winding block 7, a first clamping plate 3 and a second clamping plate 5, wherein the first winding block 14 and the second winding block 7 are fixed in the wedge-shaped jaw 1 in a bilateral symmetry manner, contact platforms 15 are arranged at the bottoms of the first winding block 14 and the second winding block 7, steel wire rope inlets 11 through which steel wire ropes 12 pass are formed in opposite sides of the contact platforms 15, a first groove 13 and a second groove 9 for winding the steel wire ropes 12 in a semicircular arc shape with rectangular cross sections are formed in opposite sides of the first winding block 14 and the second winding block 7 respectively, a waist-shaped channel winding groove is formed after the first groove 13 and the second groove 9 are combined, an outer baffle plate 8 is arranged on the side, which is opposite to the first winding block 14 and the second winding block 7, the outer baffle plate 8 is used for fastening and connecting the first winding block 14 and the second winding block 7 with two side walls of the wedge-shaped jaw 1 respectively through fastening bolts, the top parts of the first winding block 14 and the second winding block 7 are provided with a plurality of bolt connecting holes 4, the side wall of the top part of the wedge-shaped jaw 1 is provided with a plurality of bolt connecting holes 4, the two sides of the top part of the wedge-shaped jaw 1 are connected with the first positioning sheet 2 through the bolt connecting holes 4 on the side wall and the bolt connecting holes 4 on the top part of the first winding block 14, the upper part of the first positioning sheet 2 is provided with the bolt connecting holes 4, the first positioning sheet 2 is fixedly connected with the first clamping plate 3 through bolts, the two sides of the top part of the wedge-shaped jaw 1 are connected with the second positioning sheet 6 through the bolt connecting holes 4 on the side wall and the bolt connecting holes 4 on the top part of the second winding block 7, the second positioning sheet 6 is fixedly connected with the second clamping plate 5 through bolts, the opposite side surfaces of the first clamping plate 3 and the second clamping plate 5 are provided with V-shaped grooves 16, and the opposite two V-, the top of the wedge-shaped jaw 1 is provided with a steel wire rope through hole corresponding to the outlet of the steel wire rope end.
And two ends of the outer baffle plate 8 are provided with folded edges, bolt holes are formed in the folded edges, and fastening bolts penetrate through the bolt holes to fasten and connect the first winding block 14 and the second winding block 7 with the side surfaces of the side walls of the wedge-shaped jaw 1.
The depth of the V-shaped groove 16 is 1/3-1/2 of the diameter of the steel wire rope 12.
And the upper surfaces of the groove walls of the V-shaped grooves 16 are uniformly provided with forceps teeth 17.
The first winding block 14 and the second winding block 7 are provided with arc-shaped transition surfaces 10 opposite to the bending surfaces of the first groove 13 and the second groove 9 at the bottom openings of the first groove 13 and the second groove 9.
The diameter of the steel wire rope inlet 11 is larger than that of the steel wire rope 12 for testing.
Before use, the first winding block 14 is fixed on the left side of the wedge-shaped jaw 1 through a bolt, the second winding block 7 is close to the first winding block 14 but is not fixed with the wedge-shaped jaw 1, the steel wire rope 12 enters from the steel wire rope inlet 11 into the lower rectangular notch of the first groove 13 of the first winding block 14 and extends out from the upper rectangular notch of the first groove 13, the rope end of the steel wire rope 12 enters into the lower rectangular notch of the second groove 9 of the second winding block 7 and extends out from the upper rectangular notch of the second groove 9, the rope end of the steel wire rope 12 enters into the first winding block 14 and the second winding block 7 in sequence again and finally extends out from the upper rectangular notch of the second groove 9 of the second winding block 7, the steel wire rope 12 penetrates through the steel wire rope at the top of the wedge-shaped jaw 1, then the second winding block 7 is connected with the wedge-shaped jaw 1 through a bolt, two ends of the steel wire rope 12 are stretched to enable the steel wire rope 12 to be tightened between the first winding block 14 and the, the first positioning piece 2 and the second positioning piece 6 are fixed, so that the first clamping plate 3 and the second clamping plate 5 are fixed, and then the steel wire rope 12 passes through a steel wire rope end outlet between the first clamping plate 3 and the second clamping plate 5 to clamp and fix the steel wire rope 12 again.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The clamp for the large-load elevator steel wire rope breakage test is characterized by comprising a wedge-shaped jaw (1), a first winding block (14), a second winding block (7), a first clamping plate (3) and a second clamping plate (5), wherein the first winding block (14) and the second winding block (7) are fixed in the wedge-shaped jaw (1) in a bilateral symmetry manner, a contact table (15) is arranged at the bottom of the first winding block (14) and the bottom of the second winding block (7), a steel wire rope inlet (11) through which a steel wire rope (12) passes is formed in the opposite side surface of the contact table (15), a first groove (13) and a second groove (9) for winding the steel wire rope (12) with a rectangular semi-circular arc-shaped cross section are respectively formed in the opposite side surface of the first winding block (14) and the second winding block (7), and the first groove (13) and the second groove (9) are combined to form a waist-shaped channel winding groove, the side that first winding block (14) and second winding block (7) deviate from mutually sets up outer baffle (8), outer baffle (8) through fastening bolt with first winding block (14) and second winding block (7) respectively with the both sides wall fastening connection of wedge keep silent (1), a plurality of bolted connection hole (4) have been seted up at the top of first winding block (14) and second winding block (7), a plurality of bolted connection hole (4) have been seted up on the top lateral wall of wedge keep silent (1), bolt connection hole (4) on the lateral wall and bolted connection hole (4) at first winding block (14) top are passed through to wedge keep silent (1) top both sides and are connected first locating piece (2) jointly, bolted connection hole (4) have been seted up on the upper portion of first locating piece (2), first locating piece (2) pass through bolt and first grip block (3) fastening connection, bolt connection hole (4) and the bolted connection hole (7) top on wedge keep silent (1) top both sides through the lateral wall and second winding block (7) top bolt connection Connect hole (4) and connect second spacer (6) jointly, second spacer (6) pass through bolt and second grip block (5) fastening connection, V-arrangement groove (16) have been seted up to the side that first grip block (3) and second grip block (5) are relative, two relative V-arrangement grooves (16) form wire rope end export on first grip block (3) and second grip block (5), wedge is kept silent (1) the top and is seted up the wire rope perforation corresponding to wire rope end export.
2. The clamp for the large-load elevator steel wire rope breakage test according to claim 1, wherein folded edges are arranged at two ends of the outer baffle (8), bolt holes are formed in the folded edges, and fastening bolts penetrate through the bolt holes to tightly connect the first winding block (14) and the second winding block (7) with the side faces of the side walls of the wedge-shaped jaw (1).
3. The clamp for a large load elevator rope breakage test according to claim 1, wherein the depth of the V-shaped groove (16) is 1/3 to 1/2 of the diameter of the rope (12).
4. The clamp for the large-load elevator steel wire rope breakage test according to claim 1, wherein the upper surface of the wall of the V-shaped groove (16) is uniformly provided with the clamp teeth (17).
5. The clamp for the large-load elevator steel wire rope breakage test according to claim 1, wherein the first winding block (14) and the second winding block (7) are provided with arc-shaped transition surfaces (10) opposite to the bending surfaces of the first groove (13) and the second groove (9) at the bottom openings of the first groove (13) and the second groove (9).
6. The clamp for a large load elevator rope breakage test as claimed in claim 1, wherein the diameter of the rope entrance (11) is larger than the diameter of the rope (12) for the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922130370.8U CN211122283U (en) | 2019-12-03 | 2019-12-03 | Clamp for large-load elevator steel wire rope breaking test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922130370.8U CN211122283U (en) | 2019-12-03 | 2019-12-03 | Clamp for large-load elevator steel wire rope breaking test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211122283U true CN211122283U (en) | 2020-07-28 |
Family
ID=71699985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922130370.8U Active CN211122283U (en) | 2019-12-03 | 2019-12-03 | Clamp for large-load elevator steel wire rope breaking test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211122283U (en) |
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2019
- 2019-12-03 CN CN201922130370.8U patent/CN211122283U/en active Active
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