CN212964354U - Rope tensile test assists utensil - Google Patents
Rope tensile test assists utensil Download PDFInfo
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- CN212964354U CN212964354U CN202021761263.1U CN202021761263U CN212964354U CN 212964354 U CN212964354 U CN 212964354U CN 202021761263 U CN202021761263 U CN 202021761263U CN 212964354 U CN212964354 U CN 212964354U
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- winding shaft
- compression roller
- mandrel
- tensile test
- rope
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Abstract
The utility model discloses a rope tensile test assistive device, which comprises a winding shaft, a threading hole, a one-way bearing and a pressing component, wherein the threading hole is arranged on the winding shaft, and the one-way bearing is also arranged on the winding shaft, so that the winding shaft keeps one-way rotation; the pressing assembly acts on the winding shaft, during testing, the pressing assembly applies forward acting force to enable the pressing assembly to be pressed on the winding shaft, and when the rope body needs to be taken down after testing is finished, the pressing assembly is far away from the winding shaft through reverse acting force. The utility model discloses can guarantee that the test result is accurate to convenient operation.
Description
Technical Field
The utility model relates to a rope tensile test assists utensil belongs to rope tensile strength test and assists utensil technical field.
Background
National relevant standards have strict and definite regulations on the tensile strength of rope bodies with various specifications, and enterprises need to detect the performance of the rope bodies so as to ensure the safety of products. For example, in hoisting equipment, the rope body needs to be hooked with an object to move. Whether the tensile strength of the rope is qualified or not directly influences the safety in the operation process, so that the tensile strength of the rope is very important, and the index is also an important index which must be concerned by enterprises.
The existing method for testing the tensile strength of the rope body comprises the following steps: and clamping the sample by using a mechanical tester. The tester pulls the specimen at a rate to a specific force value, or to break. There is no special clamp to clamp in the early-moving industry, many detection manufacturers tie a knot at two ends of the rope body or clamp the rope body in a hooking mode after the rope body is sleeved with a lock catch (so that the length of the sample is inaccurate), and approximate measurement is simply taken as quality inspection and control. However, with the increasing security awareness of enterprises and users, a more accurate testing method is urgently needed for enterprises.
The tensile strength test of the rope body is influenced by the following factors:
1. the clamping is not easy, and the slipping is easy.
2. The rope body can be damaged in the clamping process, and the rope body is easy to break off at the clamping position.
3. In the clamping process, the modes of locking and the like are adopted, so that the test result is inaccurate.
4. The rope body is not vertical in the stretching process, and the precision of the tensile force tester is influenced.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a rope body tensile test assists utensil, and operation process is convenient, and the test result is also accurate reliable.
In order to solve the technical problem, the utility model discloses a technical scheme is: a rope tensile test auxiliary tool comprises a winding shaft, a threading hole, a one-way bearing and a pressing assembly, wherein the threading hole is formed in the winding shaft, and the one-way bearing is also arranged on the winding shaft so as to enable the winding shaft to keep one-way rotation; the pressing assembly acts on the winding shaft, during testing, the pressing assembly applies forward acting force to enable the pressing assembly to be pressed on the winding shaft, and when the rope body needs to be taken down after testing is finished, the pressing assembly is far away from the winding shaft through reverse acting force.
Furthermore, the winding shaft is also provided with an identification groove which is an annular groove arranged in the circumferential direction of the winding shaft and is vertical to the axis of the winding shaft.
Furthermore, the threading hole is obliquely arranged from the end far away from the mark groove to the end close to the mark groove.
Furthermore, the winding device also comprises a U-shaped general bracket, the winding shaft penetrates through the U-shaped space of the general bracket, and the threading hole is arranged on the part of the winding shaft, which is positioned in the U-shaped space of the general bracket.
Further, the compressing assembly comprises a compression roller, a compression roller support, a torsion spring, a hand-screwed nut and a hand-screwed nut mandrel, the compression roller is located above the winding shaft in an inclined mode, the compression roller is fixed to the hand-screwed nut mandrel, the hand-screwed nut is connected to one end of the hand-screwed nut mandrel, the torsion spring main body is sleeved to the hand-screwed nut mandrel, one end of the torsion spring is fixed to the compression roller support, and the other end of the torsion spring is fixed to the general support.
Further, the compressing assembly comprises a spring piece and an adjusting screw, the spring piece is located above the winding shaft, a strip-shaped groove is formed in the spring piece, the adjusting screw is arranged in the strip-shaped groove, and the adjusting screw is connected with the general support.
Further, the compressing assembly comprises a compression roller, a compression roller support, a guide rod and a spring, the compression roller is located above the winding shaft and fixed on the compression roller support, a guide hole is formed in the overall support, one end of the guide rod is fixed on the compression roller support, the other end of the guide rod is in sliding fit with the guide hole, and the spring is sleeved on the guide rod.
Furthermore, two positions of the winding shaft, which are in contact with the overall support, are respectively provided with a one-way bearing, one end of the winding shaft is provided with a winding handle, two ends of the winding handle are provided with ball heads, and the other end of the winding shaft is provided with a check ring.
Furthermore, the compression roller comprises a compression roller mandrel and a composite sleeve which is sleeved on the compression roller mandrel and matched with the compression roller mandrel, and the compression roller mandrel is fixed on the compression roller bracket through a locking screw.
Furthermore, an adjusting plate is arranged above the general bracket, a strip-shaped adjusting groove is formed in the adjusting plate, and an adjusting plate fixing screw is arranged in the adjusting groove; the adjusting plate is provided with a stud, and the other end of the stud is fixed on the tensile force tester during testing.
The utility model has the advantages that: the utility model ensures the rope body to be vertical through the identification groove; the rope head is self-locked through the threading hole; the rope head can be prevented from loosening by pressing the compression roller on the winding shaft; the unidirectional bearing ensures that the winding shaft cannot passively rotate under stress during a tensile test. The test result can be ensured to be accurate by the measures, and the operation is convenient.
Drawings
FIG. 1 is a schematic front view of the structure of embodiment 1;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic rear view of the structure of embodiment 1;
FIG. 4 is a schematic perspective view of the structure of example 1;
FIG. 5 is a schematic sectional view of the threading hole;
FIG. 6 is a schematic perspective view of the preferred embodiment 2;
FIG. 7 is a sectional view of embodiment 2;
FIG. 8 is a schematic perspective view of example 3;
FIG. 9 is a schematic perspective view of another angle in the embodiment 3;
in the figure: 1. double-end stud, 2, regulating plate, 3, hand nut, 4, compression roller support, 5, retainer ring, 6, winding axle, 7, sign groove, 8, threading hole, 9, compression roller, 10, winding handle, 11, bulb, 12, retainer ring, 13, overall support, 14, torsional spring, 15, hand nut dabber, 16, compression roller dabber, 17, one-way bearing, 18, composite set, 19, locking screw, 20, regulating plate fixed screw, 21, near sign groove end, 22, far sign groove end, 23, adjusting screw, 24, spring leaf, 25, bar groove, 26, compression roller, 27, compression roller support, 28, guide bar, 29, spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment discloses a rope tensile test assistive device, as shown in fig. 1, 2, 3 and 4, which comprises a general bracket 13, a compression roller bracket 4, a compression roller 9, a winding shaft 6, a hand nut 3 and a hand nut mandrel 15. The general support is U-shaped, the hand nut screwing mandrel 15 and the winding shaft 6 both penetrate through the U-shaped space of the general support, and the hand nut screwing mandrel 15 is positioned above the winding shaft 6.
The part of the winding shaft 6, which is positioned in the U-shaped space of the general bracket 13, is provided with a mark groove 7 and a threading hole 8, the mark groove 7 is an annular groove which is opened in the circumferential direction of the winding shaft 6, and the mark groove 7 is vertical to the axial direction of the winding shaft 6. As shown in fig. 5, the threading holes 8 are arranged obliquely from the distal marker groove end 22 to the proximal marker groove end 21. The winding shaft 6 penetrates through the general support 13, one end of the winding shaft 6 is provided with a winding handle 10, the other end of the winding shaft is provided with a check ring 5, two ends of the winding handle 10 are provided with ball heads 11, and the winding handle 10 is used for rotating the winding shaft. As shown in fig. 4, the winding shaft 6 is unidirectionally rotatably connected to the general bracket 13 through a unidirectional bearing 17.
As shown in fig. 2, the press roller 9 includes a press roller mandrel 16 and a composite sleeve 18 fitted around the press roller mandrel 16, and the press roller mandrel 16 is fixed on the press roller holder 4 by a locking screw 19. As shown in fig. 3, the pressure roller holder 4 is fixed to the hand nut spindle 15 by a locking screw 19. The manual nut screwing mandrel 15 is sleeved with a torsion spring 14, one end of the torsion spring 14 is fixed on the general support 13, and the other end of the torsion spring 14 is fixed on the compression roller support 4. Because the torsion spring 14 has pretightening force, the compression roller 9 is pressed on the winding shaft 6 to prevent the rope end from loosening.
In order to rotate the hand nut screwing mandrel 15 conveniently, one end of the hand nut screwing mandrel 15 is connected with the hand nut screwing 3, and a retainer ring 12 is arranged at the position where the other end of the hand nut screwing mandrel is contacted with the overall bracket 13.
As shown in FIG. 4, an adjusting plate 2 is disposed above the general bracket 13, a strip-shaped adjusting slot is formed on the adjusting plate 2, and an adjusting plate fixing screw 20 is disposed in the adjusting slot. The adjusting plate 2 is provided with a stud 1, and the other end of the stud 1 is fixed on a tensile force tester during testing.
Two sets of auxiliary tools are needed during the test, one set of auxiliary tools is fixed on the movable cross beam of the tensile tester, and the other set of auxiliary tools is fixed on the base of the tensile tester. When the experiment begins, penetrate through wires hole 8 with rope body one end (from far away sign groove end 22 to nearly sign groove end 21), clockwise rotation winding handle 10, at last with rope body screw in sign groove 7, the other end of the rope body is the same operation, owing to be the inclined hole, the rope body must be pushed down the fag end that wears out from nearly sign groove end 21 at the in-process of screw in sign groove 7 to accomplish the auto-lock. Due to the mark groove 7, the rope body can be ensured to be vertical. The winding shaft 6 is fixed on the general bracket 13 through a one-way bearing 17, and the winding shaft 6 cannot passively rotate under stress when a tensile test is carried out due to the one-way bearing. In order to prevent the rope end from loosening, a compression roller 9 is pressed on the winding shaft 6, the compression roller 9 is fixed on the compression roller support 4 through a compression roller mandrel 16, a composite sleeve 18 is arranged between the compression roller 9 and the compression roller mandrel 16, the compression roller mandrel 16 and the compression roller support 4 are fixed through a locking screw, and the compression roller 9 can be ensured to follow up in the winding process due to the composite sleeve 18. The compression roller support 4 is fixed on a hand-screwed nut mandrel 15 through a locking screw, the hand-screwed nut mandrel 15 penetrates through the overall support 13, the hand-screwed nut 3 is installed at one end, and the retainer ring 12 is installed at the other end. Still be equipped with torsional spring 14 on the hand nut dabber 15 of twisting, torsional spring 14 one end is fixed on compression roller support 4, and the other end is fixed on total support 13, owing to be equipped with torsional spring 14, at getting rope body broken end in-process, gets rope body broken end after lifting compression roller 9 through hand nut 3, and compression roller 9 can reset, because torsional spring 14 has the pretightning force, can prevent that the rope end from taking off. The adjusting plate 2 is arranged on the general bracket 13, and the adjusting plate 2 is provided with a long hole, so that the rope body can be ensured to be vertical in the stretching process by adjusting the adjusting plate 2. The adjusting plate 2 is also provided with a double-end stud 1, and the other end of the double-end stud 1 is fixed on the tensile force tester.
In this embodiment, compression roller 9, compression roller support 4, torsional spring 14, hand screwed nut 3, hand screwed nut dabber 15 constitute and compress tightly the subassembly, and during tensile test, the pretightning force of torsional spring 14 is for exerting the forward acting force on compression roller 9, makes compression roller 9 compress tightly on winding axle 6 through forward acting force, prevents the rope body pine and takes off. When the test is finished, the reverse acting force is applied by screwing the nut 3 by hand, so that the compression roller 9 and the compression roller bracket 4 are far away from the winding shaft 6, and the broken end of the rope body is convenient to take. And the pressure roller 9 can be reset because of the torsion spring 14.
Example 2
In this embodiment, the pressing assembly includes a spring plate 24 and an adjusting screw 23, as shown in fig. 6 and 7, the spring plate 24 is located above the winding shaft 6, a strip-shaped groove 25 is formed on the spring plate 24, the adjusting screw 23 is disposed in the strip-shaped groove 25, and the adjusting screw 23 is connected to the overall bracket 13.
In the tensile test, the elastic force of the spring piece 24 is a positive acting force applied on the compression roller 9, and the spring piece 24 is pressed on the winding shaft 6 through the positive acting force to prevent the rope end from loosening. When the test is finished, the spring piece 24 is far away from the winding shaft 6 by applying reverse acting force through pressing the spring piece 24, so that the broken end of the rope body is conveniently taken. And because the elasticity of spring leaf 24, after the reverse acting force disappears, spring leaf 24 can reset, makes things convenient for the test next time.
Example 3
In this embodiment, the pressing assembly includes a pressing roller 26, a pressing roller bracket 27, a guide rod 28 and a spring 29, as shown in fig. 8 and 9, the pressing roller 26 is located above the winding shaft 6, the pressing roller 26 is fixed on the pressing roller bracket 27, the overall bracket 13 is provided with a guide hole, one end of the guide rod 28 is fixed on the pressing roller bracket 27, the other end of the guide rod 28 is in sliding fit with the guide hole, and the spring 29 is sleeved on the guide rod 28.
In the tensile test, the elastic force of the spring 29 is a positive acting force applied to the pressing roller 26, and the spring 29 is pressed on the winding shaft 6 by the positive acting force to prevent the rope end from loosening. When the test is finished, a reverse acting force is applied, namely the compression roller bracket 27 is pulled upwards, so that the compression roller 26 and the compression roller bracket 27 are far away from the winding shaft 6, and the broken end of the rope body is convenient to take out. And because the elasticity of spring 29, after the counter force disappears, compression roller 26 can reset, makes things convenient for next experiment.
Other portions of embodiments 2 and 3 are the same as those of embodiment 1, and will not be described again here.
What has been described above is only the basic principle and the preferred embodiments of the present invention, and modifications and replacements made by those skilled in the art according to the present invention belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a utensil is assisted in rope body tensile test which characterized in that: the wire threading device comprises a winding shaft, a wire threading hole, a one-way bearing and a pressing assembly, wherein the wire threading hole is formed in the winding shaft, and the one-way bearing is also arranged on the winding shaft so as to enable the winding shaft to keep one-way rotation; the compression assembly comprises a compression roller, a compression roller support, a torsion spring, a hand-screwed nut and a hand-screwed nut mandrel, the compression roller is located above the winding shaft in an inclined mode, the compression roller is fixed to the compression roller support, the compression roller support is fixed to the hand-screwed nut mandrel, the hand-screwed nut is connected to one end of the hand-screwed nut mandrel, the torsion spring main body is sleeved on the hand-screwed nut mandrel, one end of the torsion spring is fixed to the compression roller support, and the other end of the torsion spring is fixed to the overall.
2. The rope tensile test aid of claim 1, wherein: the winding shaft is also provided with an identification groove which is an annular groove arranged in the circumferential direction of the winding shaft and is vertical to the axis of the winding shaft.
3. The rope tensile test aid of claim 2, wherein: the threading hole is obliquely arranged from the far marking groove end to the near marking groove end.
4. The rope tensile test aid of claim 1, wherein: the wire winding device further comprises a U-shaped overall support, the winding shaft penetrates through the U-shaped space of the overall support, and the wire threading hole is formed in the part, located in the U-shaped space, of the winding shaft.
5. The rope tensile test aid of claim 4, wherein: two positions of the winding shaft, which are in contact with the overall support, are respectively provided with one-way bearings, one end of the winding shaft is provided with a winding handle, two ends of the winding handle are provided with ball heads, and the other end of the winding shaft is provided with a check ring.
6. The rope tensile test aid of claim 1, wherein: the compression roller comprises a compression roller mandrel and a composite sleeve which is sleeved on the compression roller mandrel and matched with the compression roller mandrel, and the compression roller mandrel is fixed on the compression roller bracket through a locking screw.
7. The rope tensile test aid of claim 4, wherein: an adjusting plate is arranged above the general bracket, a strip-shaped adjusting groove is formed in the adjusting plate, and an adjusting plate fixing screw is arranged in the adjusting groove; the adjusting plate is provided with a stud, and the other end of the stud is fixed on the tensile force tester during testing.
8. The utility model provides a utensil is assisted in rope body tensile test which characterized in that: the wire threading device comprises a winding shaft, a wire threading hole, a one-way bearing and a pressing assembly, wherein the wire threading hole is formed in the winding shaft, and the one-way bearing is also arranged on the winding shaft so as to enable the winding shaft to keep one-way rotation; the pressing assembly comprises a spring piece and an adjusting screw, the spring piece is located above the winding shaft, a strip-shaped groove is formed in the spring piece, the adjusting screw is arranged in the strip-shaped groove, and the adjusting screw is connected with the general support.
9. The utility model provides a utensil is assisted in rope body tensile test which characterized in that: the wire threading device comprises a winding shaft, a wire threading hole, a one-way bearing and a pressing assembly, wherein the wire threading hole is formed in the winding shaft, and the one-way bearing is also arranged on the winding shaft so as to enable the winding shaft to keep one-way rotation; the pressing assembly comprises a pressing roller, a pressing roller support, a guide rod and a spring, the pressing roller is located above the winding shaft and fixed on the pressing roller support, a guide hole is formed in the support, one end of the guide rod is fixed on the pressing roller support, the other end of the guide rod is in sliding fit with the guide hole, and the spring is sleeved on the guide rod.
10. The rope tensile test aid of claim 9, wherein: the compression roller comprises a compression roller mandrel and a composite sleeve which is sleeved on the compression roller mandrel and matched with the compression roller mandrel, and the compression roller mandrel is fixed on the compression roller bracket through a locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021761263.1U CN212964354U (en) | 2020-08-21 | 2020-08-21 | Rope tensile test assists utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021761263.1U CN212964354U (en) | 2020-08-21 | 2020-08-21 | Rope tensile test assists utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212964354U true CN212964354U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021761263.1U Active CN212964354U (en) | 2020-08-21 | 2020-08-21 | Rope tensile test assists utensil |
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| Country | Link |
|---|---|
| CN (1) | CN212964354U (en) |
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2020
- 2020-08-21 CN CN202021761263.1U patent/CN212964354U/en active Active
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