CN115753345B - Steel wire rope and steel wire tensile test gasket and test fixture using same - Google Patents
Steel wire rope and steel wire tensile test gasket and test fixture using same Download PDFInfo
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- CN115753345B CN115753345B CN202211545760.1A CN202211545760A CN115753345B CN 115753345 B CN115753345 B CN 115753345B CN 202211545760 A CN202211545760 A CN 202211545760A CN 115753345 B CN115753345 B CN 115753345B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 107
- 239000010959 steel Substances 0.000 title claims abstract description 107
- 238000009864 tensile test Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The embodiment of the invention provides a steel wire rope and steel wire tensile test gasket and a test clamp applying the same, which relate to the technical field of test clamps and aim to solve the problems that a test sample is easy to fall off and skid in a steel wire rope clamping test in the prior art, so that the test precision is poor, and the left gasket body and the right gasket body are of symmetrical structures, and the left gasket body or the right gasket body respectively comprise: the device comprises a guide rail surface and a sample plane which are oppositely arranged, wherein a strip-shaped guide rail is arranged on the guide rail surface, and the cross section of the strip-shaped guide rail is trapezoidal; the invention is suitable for steel wire rope and steel wire tensile test.
Description
Technical Field
The invention relates to the technical field of test fixtures, in particular to a steel wire rope steel wire tensile test gasket and a test fixture using the same.
Background
The steel wire rope is an important mechanical equipment element, has high strength and good flexibility, can bear tensile and alternating loads, has higher tensile strength, fatigue resistance and impact toughness, has long load transmission distance, and is widely applied to various industries.
The wire rope is composed of wires, strands and a core 3, and a certain number and size of wires are twisted into strands of a prescribed diameter with the core as a center of symmetry, the wires in each strand having the same geometric arrangement. Steel wires are the most basic structural unit of a steel wire rope. The application scenes of many steel wire ropes have strict requirements on the mechanical properties of the steel wires, and the mechanical properties are obtained through the tensile test of the steel wires.
The tensile test is researched by deformation behavior of a fixed gauge length under the action of load, and the elastic limit, the elongation, the elastic modulus, the proportional limit, the area reduction amount, the tensile strength, the yield point, the yield strength and other tensile performance indexes of the material can be determined by using data obtained by the tensile test. Relevant test standards can be referred to GB/T228.1-2010 "tensile test method for metallic materials". In the tensile test process, the stability of load transmission, the neutrality of a loading axis and the unidirectionality of gauge length deformation are the precondition and guarantee of obtaining the tensile performance index of the accurate material. Wherein, the reliable clamping of the clamp and the sample is the key for effectively transmitting and measuring the load.
The tensile clamp of the testing machine can be divided into a wedge clamp, a butt clamp, a winding clamp, an eccentric clamp, a lever clamp, a bolt clamp and the like according to the structure. The clamping effect of the clamps on the steel wire sample is not ideal, and the sample is easy to fall off and slip in the test process, so that the test precision is poor. Moreover, the jaws of the slider are easily worn, and need to be checked and replaced frequently, resulting in higher test cost.
Disclosure of Invention
In order to solve the problems that in the prior art, a steel wire rope clamping test, a sample is easy to fall off and skid, so that the test precision is poor, the embodiment of the invention provides a steel wire rope steel wire tensile test gasket and a test clamp using the same.
A wire rope wire tensile test gasket comprising: each other be symmetrical structure's left gasket body and right gasket body, left gasket body or right gasket body all include: the device comprises a guide rail surface and a sample plane which are oppositely arranged, wherein a strip-shaped guide rail is arranged on the guide rail surface, and the cross section of the strip-shaped guide rail is trapezoidal; the surface of the circular arc-shaped jaw is provided with point-shaped flat teeth; the central axis of the strip-shaped guide rail is perpendicular to the central axis of the circular arc-shaped groove; the left gasket body is connected with the left surface of the clamp body of the steel wire rope and steel wire tensile test clamp; the right gasket body is connected with the right face of the clamp body.
The steel wire rope steel wire tensile test gasket further comprises a wedge-shaped left locking sliding block and a wedge-shaped right locking sliding block which are of symmetrical structures; the connecting surface of the left locking sliding block is provided with a guide rail groove which is matched with the strip-shaped guide rail; the left locking sliding block is opposite to the connecting surface and is an attaching surface, and the attaching surface is attached to the left surface of the clamp body; the right locking sliding block is attached to the right side of the clamp body.
Preferably, the back of left locking slider with the back of right locking slider all is equipped with spacing arch, spacing arch can with spacing hole cooperation on the anchor clamps body back.
The front of the left locking sliding block and the front of the right locking sliding block are respectively provided with a baffle, and the baffle is detachably connected with the front of the clamp body.
The steel wire rope and steel wire tensile test clamp comprises a steel wire rope and steel wire tensile test gasket, and further comprises a clamp body and a connecting rod, wherein one end of the connecting rod can be connected with a stretcher, the other end of the connecting rod is in threaded connection with the clamp body, the steel wire rope and steel wire tensile test gasket is arranged in the clamp body, the limiting protrusion is a pin shaft, the limiting hole is a slotted hole, and the pin shaft can move in the slotted hole in the vertical direction; the other end of the connecting rod is provided with a push plate; the connecting surfaces of the left locking slide block and the right locking slide block are provided with push plate grooves; the push plate can move up and down in the push plate groove by a certain height.
The steel wire rope and steel wire tensile test clamp further comprises a limiting plate, wherein the limiting plate is fixedly arranged on the connecting rod, and the limiting plate is positioned above the push plate and used for limiting the displacement of the left locking sliding block and the right locking sliding block in the vertical direction.
The steel wire rope and steel wire tensile test clamp also comprises a clamp shaft sleeve and a handle, wherein the clamp shaft sleeve is in threaded connection with the connecting rod, and the clamp shaft sleeve is positioned above the clamp body; the handle is arranged on the outer surface of the clamp shaft sleeve, and one end of the handle is fixedly connected with the clamp shaft sleeve.
The steel wire rope and steel wire tensile test clamp further comprises a connector, wherein the connector is arranged at one end of the connecting rod, and the connecting rod is connected with the stretcher through the connector.
And the connecting head is provided with a through hole for connecting the stretcher.
The connector is welded with the connecting rod; the handle comprises two handles which are oppositely arranged at two sides of the clamp shaft sleeve; the clamp shaft sleeve is fastened on the connecting rod through a connecting bolt; the baffle plate is connected with the clamp body through a connecting screw.
When the steel wire rope and steel wire tensile test gasket provided by the embodiment of the invention is used for carrying out steel wire rope and steel wire tensile test, the strip-shaped guide rail of the left gasket body is connected with the left side of the clamp body of the steel wire rope test clamp, a guide rail groove matched with the strip-shaped guide rail can be processed on the left side of the clamp body, or the left gasket body is connected with the left side of the clamp body in other connection modes, and the right gasket body is connected with the right side of the clamp body. The steel wire rope sample is clamped between the left gasket body and the right gasket body, the arc-shaped jaw is fully contacted with the steel wire rope sample, when the steel wire rope sample is clamped by the left gasket body and the right gasket body, the point-shaped flat teeth can be fully contacted with the surface of the steel wire rope, the surface friction force is increased, and the steel wire rope sample can be prevented from slipping or falling off. The clamp body is stretched by the stretcher for carrying out a steel wire rope tensile test, and the contact part of the circular arc-shaped jaw and the steel wire rope sample is provided with the dot-shaped flat teeth, so that the steel wire rope sample is prevented from falling off or slipping; when the arc-shaped jaw is worn, only the left gasket body and the right gasket body are required to be replaced, a clamp body or tensile test equipment is not required, and the test cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of a steel wire tensile test fixture for a steel wire rope according to the embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of a steel wire tensile test fixture for a steel wire rope according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a left gasket body according to the present invention;
Fig. 4 is a tooth-shaped cross-sectional view of a clamping portion of a left gasket body according to an embodiment of the present invention.
In the figure: 1-a connector; 2-connecting bolts; 3-a clamp sleeve; 4-a handle; 5-a clamp body; 6-connecting rods; 7-limiting plates; 8-pushing plate; 9-left locking slide block; 10-connecting screws; 11-a baffle; 12-left gasket body; 13-a coupling nut; 14-limiting holes.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
Referring to fig. 3 and 4, a steel wire tensile test pad for a steel wire rope according to an embodiment of the present invention includes: left gasket body 12 and right gasket body that each other are symmetrical structure, left gasket body 12 or right gasket body all include: the device comprises a guide rail surface and a sample plane which are oppositely arranged, wherein a strip-shaped guide rail is arranged on the guide rail surface, and the cross section of the strip-shaped guide rail is trapezoidal; the surface of the circular arc-shaped jaw is provided with point-shaped flat teeth; the central axis of the strip-shaped guide rail is perpendicular to the central axis of the circular arc-shaped groove; the left gasket body 12 is connected with the left side of the clamp body of the steel wire rope and steel wire tensile test clamp; the right gasket body is connected with the right face of the clamp body.
When the steel wire rope and steel wire tensile test gasket provided by the embodiment of the invention is used for carrying out steel wire rope and steel wire tensile test, the strip-shaped guide rail of the left gasket body is connected with the left side of the clamp body of the steel wire rope test clamp, a guide rail groove matched with the strip-shaped guide rail can be processed on the left side of the clamp body, or the left gasket body is connected with the left side of the clamp body in other connection modes, and the right gasket body is connected with the right side of the clamp body. The steel wire rope sample is clamped between the left gasket body and the right gasket body, the arc-shaped jaw is fully contacted with the steel wire rope sample, when the steel wire rope sample is clamped by the left gasket body and the right gasket body, the point-shaped flat teeth can be fully contacted with the surface of the steel wire rope, the surface friction force is increased, and the steel wire rope sample can be prevented from slipping or falling off. The clamp body is stretched by the stretcher for carrying out a steel wire rope tensile test, and the contact part of the circular arc-shaped jaw and the steel wire rope sample is provided with the dot-shaped flat teeth, so that the steel wire rope sample is prevented from falling off or slipping; when the arc-shaped jaw is worn, only the left gasket body and the right gasket body are required to be replaced, a clamp body or tensile test equipment is not required, and the test cost is greatly reduced.
The left gasket body 12 and the right gasket body can be made of aluminum alloy materials, and the friction coefficient (0.30) of aluminum alloy-steel is larger than that (0.15) of steel-steel, so that the steel wire rope sample can be prevented from slipping or falling off in the test process more effectively.
Referring to fig. 1, in the above embodiment, the steel wire rope and steel wire tensile test gasket may further include a wedge-shaped left locking slider 9 and a wedge-shaped right locking slider which are symmetrical to each other; the connecting surface of the left locking sliding block 9 is provided with a guide rail groove which is matched with the strip-shaped guide rail; the left locking sliding block 9 is opposite to the connecting surface and is an attaching surface, and the attaching surface is attached to the left surface of the clamp body 5; the right locking slide block is attached to the right side of the clamp body 5.
When the steel wire rope and steel wire tensile test is carried out, the strip-shaped guide rail of the left gasket body 12 can be installed in the guide rail groove of the left locking sliding block 9, so that the left gasket body 12 is connected with the left locking sliding block 9, and similarly, the right gasket body is connected with the right locking sliding block. After that, the left locking slide block 9 and the right locking slide block are fixedly connected with the fixture body 5. Therefore, the left gasket body 12 and the right gasket body can be made smaller, and the left locking slide block 9 and the right locking slide block are made larger, so that the manufacturing cost and the replacement cost of the left gasket body 12 and the right gasket body are reduced greatly. The wedge oblique angle of the left locking slide block 9 and the right locking slide block is 1-2 degrees larger than the wedge oblique plane of the clamp body, and when the left and right locking slide blocks move downwards along the wedge oblique plane of the clamp body, the wedge faces of the left and right locking slide blocks are self-locked with the wedge oblique plane through stress.
Referring to fig. 2, in the above embodiment, the back surfaces of the left locking slide 9 and the right locking slide may be provided with a limit protrusion, and the limit protrusion may be matched with a limit hole 14 on the back surface of the clamp body 5. The limit protrusions are matched with the limit holes 14, so that the left locking slide block 9 and the right locking slide block are fixedly connected with the clamp body 5. The bearing capacity is high, the precision is high and the gap is adjustable.
Referring to fig. 1, in the above embodiment, the front sides of the left locking slide 9 and the right locking slide may be provided with a blocking piece 11, and the blocking piece 11 is detachably connected with the front side of the fixture body 5. The baffle 11 can play a limiting role on the left locking slide block 9 and the right locking slide block, and the left locking slide block 9 and the right locking slide block are prevented from being separated from the front face of the clamp body 5. The detachable connection is convenient for the disassembly and assembly of the baffle 11 and the clamp body 5.
Referring to fig. 1, the embodiment of the invention further provides a steel wire rope and steel wire tensile test fixture, which comprises the steel wire rope and steel wire tensile test gasket in the embodiment, and further comprises a fixture body 5 and a connecting rod 6, wherein one end of the connecting rod 6 can be connected with a stretcher, the other end of the connecting rod is in threaded connection with the fixture body 5, the steel wire rope and steel wire tensile test gasket is arranged in the fixture body 5, the limiting protrusion is a pin shaft, the limiting hole 14 is a slotted hole, and the pin shaft can move in the vertical direction in the slotted hole; the other end of the connecting rod 6 is provided with a push plate 8; the connecting surfaces of the left locking slide block 9 and the right locking slide block are provided with push plate grooves; the push plate 8 can move up and down in the push plate groove by a certain height.
The clamp body 5 and the link 6 constitute a ball screw structure, and the clamp body 5 is displaced upward or downward by forward rotation or reverse rotation of the link 6. The left locking slide block 9 and the right locking slide block are wedge-shaped slide blocks, and the push plate 8 is required to be ensured to be positioned in push plate grooves of the left locking slide block 9 and the right locking slide block during installation.
The steel wire rope and steel wire tensile test clamp further comprises a limiting plate 7, wherein the limiting plate 7 is fixedly arranged on the connecting rod 6, and the limiting plate 7 is positioned above the push plate 8 and used for limiting the displacement of the left locking sliding block 9 and the right locking sliding block in the vertical direction.
The steel wire rope and steel wire tensile test clamp also comprises a clamp shaft sleeve 3 and a handle 4, wherein the clamp shaft sleeve 3 is in threaded connection with the connecting rod 6, and the clamp shaft sleeve 3 is positioned above the clamp body 5; the handle 4 is arranged on the outer surface of the clamp shaft sleeve 3, and one end of the handle 4 is fixedly connected with the clamp shaft sleeve 3. Still include connector 1, connector 1 sets up the one end of connecting rod 6, connecting rod 6 passes through connector 1 with the stretcher is connected. The connector 1 is provided with a through hole for connecting the stretcher.
In the above embodiment, the connector 1 is welded with the connecting rod 6; the handle 4 comprises two handles which are oppositely arranged at two sides of the clamp shaft sleeve 3; the clamp shaft sleeve 3 is fastened on the connecting rod 6 through a connecting bolt 2; the baffle 11 is connected with the clamp body 5 through a connecting screw.
The connector 1 is provided with a pin hole and is connected with the stretcher in a matched way through a pin. The lower extreme of connector 1 is equipped with the through-hole, and the connecting rod 6 upper end is equipped with the through-hole that the aperture is the same, and connecting bolt 2 passes the through-hole and the coupling nut 14 fastening cooperation of connector 1 and connecting rod 6, makes connector 1 and connecting rod 6 be connected fixedly.
The clamp shaft sleeve 3 is fixed on the connecting rod 6, and threaded holes with the depth of 20mm are formed in two sides of the clamp shaft sleeve. The handle 4 is connected with the clamp shaft sleeve 3 through external threads at the tail end. The connecting rod 6 is driven to rotate by rotating the handle 4, the clamp body 5 generates upward or downward displacement, and the stroke is 26mm. The lower extreme of connecting rod 6 is connected with limiting plate 7, limiting plate 7 and push pedal 8 fixed connection. The push plate 8 is positioned in a push plate groove of the locking slide block 9. A displacement gap of 2mm is reserved between the push plate groove and the push plate 8.
The baffle 11 is connected with the clamp body 5 through a connecting screw 10. By tightening and loosening the connection screw 10, the fixing and rotation of the toggle catch 11 can be achieved. The baffle is used for limiting the position of the locking slide block and the gasket.
Wherein the wedge-shaped inclined surface of the locking slider 9 is in contact with the inner surface of the clamp body 5. The limiting hole 14 on the clamp body 5 can be used for various locking slide blocks including the locking slide block 5, and is used for limiting the positions of the two locking slide blocks to be positioned on the same horizontal plane.
Referring to fig. 3 and 4, the contact surface of the washer 12 with the locking slider 9 is provided with a horizontal trapezoidal guide rail. The clamping surface of the gasket 12, which is in contact with the sample, is provided with an arc-shaped jaw, and the tooth shape of the surface of the jaw is a dot-shaped flat tooth. The tooth shape is only used for increasing the friction force on the surface of the jaw, and can be used for solving the problem that some smooth surfaces cannot be clamped, and sharp teeth are easy to break steel wires of the jaw.
The clamping reliability of the tensile clamp on the test sample is high, the sample cannot slip, relative displacement is generated and the like in the tensile test process, and the problem that the clamp jaw of a common tensile testing machine is difficult to clamp a small-diameter steel wire and is easy to wear and lose efficacy is solved by the gasket. Therefore, the steel wire tensile test by adopting the tensile clamp has the advantages of accurate data, high repeatability, small data dispersion and good test sample breakpoint.
The working flow of the steel wire tensile test fixture of the steel wire rope provided by the embodiment of the invention comprises the following steps:
1. mounting a test sample
(1) The 2 tensile clamps of the invention are respectively arranged at the installation positions of the upper clamp and the lower clamp of the tensile testing machine.
(2) The left locking slide block and the right locking slide block are placed in the clamp body, so that the push plate is clamped in the push plate grooves of the 2 locking slide blocks, the baffle plate is stirred, the locking slide blocks are blocked, the connecting screw is screwed, and the baffle plate is fixed.
(3) One end of a sample to be tested is placed at the opening of the first stretching clamp, the handle of the first stretching clamp below the stretching tester is operated to enable the connecting rod to rotate, the clamp body is driven to move downwards, the push plate pushes the left locking slide block and the right locking slide block to move upwards relative to the clamp body, the wedge-shaped inclined surface of the clamp body extrudes the wedge-shaped surface of the locking slide block to enable the wedge-shaped surface to move towards the middle, and the sample is contacted with the clamping jaw of the gasket and clamped.
(4) Repeating step (2) for a second tensile fixture above the tensile tester.
(5) And (3) placing one end of the sample to be tested at the opening of the first stretching clamp, repeating the step (3), moving the clamp body upwards, and pushing the locking slide block to move downwards relative to the clamp body by the push plate. And locking the sample to be tested, and finishing the installation of the sample to be tested.
2. Taking down the sample to be tested
The handles of the first stretching clamp and the second stretching clamp are respectively operated, the clamp body of the first stretching clamp moves downwards, the clamp body of the second stretching clamp moves upwards, under the action of the pushing plate, the wedge-shaped surface of the clamp body does not squeeze the locking slide block any more, the locking slide block is opened, and the sample to be tested is taken down.
The tensile clamp for fixing the steel wire in the steel wire tensile test can meet the tensile test requirements of steel wires with different diameters. Different from the tensile anchor clamps in the past, this anchor clamps except basic clamping element, add through left gasket body and right gasket body and control locking slider and be connected, the gasket body can with sample stable interaction and transmission load, improved the phenomenon that the steel wire can't press from both sides tightly and skid in tensile test effectively. The left gasket body and the right gasket body of the clamp are clamped, namely the arc-shaped jaw part is fully contacted with the sample, so that the phenomena of slipping and the like in the test process are avoided, in addition, the sample can be effectively prevented from being pinched off due to lower hardness of the aluminum alloy, and the clamping head of the clamp can be protected. The gasket clamping and disassembly are convenient, the clamping effect is good, the gasket is easy to replace, the abrasion of the clamp is effectively reduced, the service life of the clamp is prolonged, and the cost is reduced.
The foregoing embodiments are merely for illustrating the technical solution of the embodiment of the present invention, but not for limiting the same, although the embodiment of the present invention has been described in detail with reference to the foregoing preferred embodiments, it will be understood by those skilled in the art that modifications and equivalent substitutions may be made to the technical solution of the embodiment of the present invention without departing from the spirit and scope of the technical solution of the embodiment of the present invention.
Claims (8)
1. The steel wire rope and steel wire tensile test fixture is characterized by further comprising a fixture body, a connecting rod, a locking sliding block and a test gasket, wherein the locking sliding block and the test gasket are arranged in the fixture body;
The front surface of the clamp body is provided with an open slot with wedge-shaped inclined planes on the left and right side walls, and the locking slide block and the test gasket are arranged in the open slot; the locking slide block comprises a wedge-shaped left locking slide block and a wedge-shaped right locking slide block which are symmetrical to each other, the left side and the right side of the left locking slide block and the right side of the right locking slide block are respectively provided with a connecting surface and an attaching surface, the two connecting surfaces are respectively provided with a guide rail groove, and the two attaching surfaces are respectively attached to the side walls of the wedge-shaped inclined surfaces corresponding to the opening grooves;
The test gasket is made of an aluminum alloy material and comprises a left gasket body and a right gasket body which are of symmetrical structures, wherein guide surfaces and sample planes are respectively arranged on the left side and the right side of the left gasket body and the right gasket body; the two guide rail surfaces are respectively provided with a strip-shaped guide rail with a trapezoidal cross section, and the guide rail groove is correspondingly matched with the strip-shaped guide rail so that the left gasket body is connected with the left locking slide block, and the right gasket body is connected with the right locking slide block; circular arc-shaped jaws for clamping the sample are respectively arranged on the two sample planes, the central axis of each circular arc-shaped jaw is perpendicular to the central axis of the strip-shaped guide rail, and point-shaped flat teeth are arranged on the surfaces of the circular arc-shaped jaws;
The back surfaces of the left locking slide block and the right locking slide block are respectively provided with a limiting pin shaft, the back surface of the clamp body is provided with a limiting oblong hole correspondingly matched with the limiting bulge, and the pin shafts can move in the oblong holes in the vertical direction; the end of the other end of the connecting rod is provided with a push plate, the connecting surface of the left locking slide block and the right locking slide block is provided with a push plate groove, and the push plate can move up and down in the push plate groove by a certain height.
2. The steel wire rope and steel wire tensile test fixture according to claim 1, further comprising a limiting plate, wherein the limiting plate is fixedly arranged on the connecting rod, and the limiting plate is positioned above the pushing plate and used for limiting the displacement of the left locking slide block and the right locking slide block in the vertical direction.
3. The steel wire rope and steel wire tensile test clamp according to claim 2, further comprising a clamp shaft sleeve and a handle, wherein the clamp shaft sleeve is in threaded connection with the connecting rod, and the clamp shaft sleeve is positioned above the clamp body; the handle sets up the surface at the anchor clamps axle sleeve, and the one end and the anchor clamps axle sleeve fixed connection of handle.
4. A wire rope steel wire tensile test fixture according to claim 3, further comprising a connector arranged at one end of the connecting rod, the connecting rod being connected to the stretcher by the connector.
5. The wire rope steel wire tensile test fixture according to claim 4, wherein the connecting head is provided with a through hole for connecting with a stretcher.
6. The wire rope wire tensile test fixture of claim 5, wherein the connector is welded to the connecting rod; the handle comprises two handles which are oppositely arranged at two sides of the clamp shaft sleeve; the clamp shaft sleeve is fastened on the connecting rod through a connecting bolt.
7. The steel wire rope and steel wire tensile test fixture according to claim 1, wherein the front surfaces of the left locking slide block and the right locking slide block are respectively provided with a baffle, and the baffle is detachably connected with the front surface of the fixture body.
8. The wire rope steel wire tensile test fixture of claim 7, wherein the baffle is connected with the fixture body by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211545760.1A CN115753345B (en) | 2022-12-05 | 2022-12-05 | Steel wire rope and steel wire tensile test gasket and test fixture using same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211545760.1A CN115753345B (en) | 2022-12-05 | 2022-12-05 | Steel wire rope and steel wire tensile test gasket and test fixture using same |
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| CN115753345A CN115753345A (en) | 2023-03-07 |
| CN115753345B true CN115753345B (en) | 2024-06-14 |
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| CN102323144A (en) * | 2011-05-31 | 2012-01-18 | 河南省煤炭科学研究院有限公司 | Steel wire rope tensile fixture and horizontal steel wire rope tensile testing machine thereof |
| CN209485854U (en) * | 2018-12-24 | 2019-10-11 | 兰州工业学院 | A kind of Horizontal type manual thermal spraying stretching sample fixture |
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| DE4134743A1 (en) * | 1991-10-21 | 1993-04-22 | Igenwert Gmbh | Material testing system for determining long-term mechanical characteristics - uses weighted or spring-loaded lever for tensioning sample, and has electronic signal processing and control |
| CN104330314A (en) * | 2014-11-24 | 2015-02-04 | 重庆大学 | Clamping mechanism for device for testing high-temperature direct tensile strength of ultrahigh-temperature ceramics |
| CN209841518U (en) * | 2019-02-01 | 2019-12-24 | 江苏法尔胜特钢制品有限公司 | Steel wire rope breaking and stretching test device |
| CN110736673B (en) * | 2019-11-08 | 2021-06-08 | 中国矿业大学 | Device and method for testing internal multi-wire spiral contact of hoisting steel wire rope |
| CN112525460B (en) * | 2020-10-29 | 2022-09-20 | 中国人民解放军92942部队 | Test method based on multi-axis swinging and vibration composite test platform |
| CN214040923U (en) * | 2020-12-04 | 2021-08-24 | 江苏法尔胜材料分析测试有限公司 | Clamp device for testing steel wire rope or steel strand |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323144A (en) * | 2011-05-31 | 2012-01-18 | 河南省煤炭科学研究院有限公司 | Steel wire rope tensile fixture and horizontal steel wire rope tensile testing machine thereof |
| CN209485854U (en) * | 2018-12-24 | 2019-10-11 | 兰州工业学院 | A kind of Horizontal type manual thermal spraying stretching sample fixture |
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