CN217981057U - Tension detection device - Google Patents
Tension detection device Download PDFInfo
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- CN217981057U CN217981057U CN202222031328.2U CN202222031328U CN217981057U CN 217981057 U CN217981057 U CN 217981057U CN 202222031328 U CN202222031328 U CN 202222031328U CN 217981057 U CN217981057 U CN 217981057U
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- groove
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Abstract
The utility model discloses a pulling force detection device, belong to pulling force detection device technical field, the utility model discloses a lock box and connecting plate that are the tube-shape, install rotatory locking piece in the lock box, rotatory locking piece middle part radially runs through and sets up the locked groove, rotatory locking piece one end sets up the extrusion hole at intercommunication locked groove middle part simultaneously, rotatory locking piece one end is rotated through first bolt and is installed in lock box one side, the second bolt that inserts the extrusion hole and carry out the fastening to the lines is installed to lock box opposite side, lock box bottom sets up and leaves, through the locked groove on the rotatory locking piece of the top of waiting tensile test wire strip through leaving the hole and inserting, the second bolt inserts the extrusion hole and can compress tightly the wire strip, then drive rotatory locking piece through rotatory first bolt and rotate, make the winding groove in the rotatory locking piece outside of wire strip part winding, then fix through the mortise lock pairing rotation locking piece, increase to the frictional force in lines and winding groove with this, avoid the direct atress fracture of extrusion department, the stability that pulling force detected has been increased.
Description
Technical Field
The utility model relates to a pulling force detection device technical field, concretely relates to pulling force detection device.
Background
When the wire is subjected to tension detection, two ends of the wire are often fixed on the upper fixing end and the lower fixing end of a tension device respectively, then the upper fixing end and the lower fixing end are separated through hydraulic control, and tensile deformation or fracture data of the wire are measured in the separation process, so that the wire strength is subjected to compliance detection.
The fixed end of the existing tension device is generally fixed on a wire line in a clamping mode, the problem that the fixed end of the wire is loosened or a clamping point is broken easily in the pulling process is solved, and the normal operation and data accuracy of tension detection are influenced.
SUMMERY OF THE UTILITY MODEL
To the problem in the above-mentioned technical background, the utility model aims at providing a tension detection device has solved the current problem that appears wire stiff end pine and take off or the centre gripping is cracked in tension device pulling in-process easily that provides among the background art.
In order to realize the above purpose, the utility model discloses a technical scheme be:
a tension detection device comprises a cylindrical lock box and a connecting plate arranged at the top of the cylindrical lock box, wherein a cylindrical rotary lock block is arranged in the lock box, a lock groove is radially arranged in the middle of the rotary lock block in a penetrating mode, and meanwhile an extrusion hole communicated with the middle of the lock groove is formed in one end of the rotary lock block;
rotatory locking piece one end is rotated through first bolt and is installed lock box one side, lock box opposite side is installed and is inserted the second bolt that the extrusion pore pair lines fastened, lock box bottom sets up the hole.
Furthermore, the middle part of the rotary locking block is provided with an annular winding groove which is communicated with two ends of the locking groove.
Furthermore, the first cover plate and the second cover plate are symmetrically arranged at two ends of the lock box, the second bolt is arranged on the center of the first cover plate in a threaded mode, and the inner side end of the second bolt is inserted into the extrusion hole.
Further, the diameter of the extrusion hole is larger than the outer diameter of the second bolt thread.
Furthermore, a through groove is formed in the middle of the second cover plate, the first bolt is installed in the through groove in a penetrating mode, and meanwhile the inner side end of the first bolt is connected to the middle of one end of the rotary locking block.
Furthermore, the rotary locking block and the first bolt connecting end are uniformly provided with a plurality of locking holes, and the second cover plate is provided with a mortise lock which can be inserted into the locking holes.
Compared with the prior art, the utility model has the advantages of it is following:
(1) The utility model discloses in through waiting that the top of tensile test wire strip is through the locked groove that portal insert on the rotatory locking piece, the degree of depth that inserts the locked groove is greater than half of its length, ensure that the second bolt inserts the extrusion hole and can compress tightly the wire strip, then drive rotatory locking piece through rotatory first bolt and rotate, make the winding groove of wire strip part winding in the rotatory locking piece outside, then fix through mortise lock pairing rotation locking piece, with this increase to the frictional force in lines and winding groove, avoid the direct atress fracture of extrusion department, the stability that the pulling force detected has been increased.
Drawings
Fig. 1 is a first perspective view provided in an embodiment of the present invention;
fig. 2 is a second perspective view provided in the embodiment of the present invention;
fig. 3 is a partially exploded perspective view provided by an embodiment of the present invention;
fig. 4 is a perspective view of the rotary lock block provided in the embodiment of the present invention.
In the figure: 1. a lock case; 101. a first cover plate; 2. a connecting plate; 3. a second cover plate; 301. a through slot; 4. a mortise lock; 5. rotating the locking block; 6. locking the groove; 7. a winding groove; 8. a locking hole; 9. a first bolt; 10. extruding the hole; 11. an outlet hole; 12. and a second bolt.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1-4, a tension detection device comprises a cylindrical lock box 1 and a connecting plate 2 installed at the top of the lock box, wherein the top of the connecting plate 2 is installed on a tension test hoisting device, a cylindrical rotary lock block 5 is installed in the lock box 1, a lock groove 6 is radially arranged in the middle of the rotary lock block 5 in a penetrating manner, and meanwhile, an extrusion hole 10 communicated with the middle of the lock groove 6 is formed in one end of the rotary lock block 5; one end of the rotary locking block 5 is rotatably installed on one side of the lock box 1 through a first bolt 9, a second bolt 12 inserted into the extrusion hole 10 to fasten the wire is installed on the other side of the lock box 1, and a hole 11 is formed in the bottom of the lock box 1.
In this embodiment, the design thinking, for traditional centre gripping pulling force test appear slippage easily and the influence that the centre gripping position fracture brought to detecting, increase to the friction stress point at lines centre gripping position, avoid the centre gripping position directly to receive the pulling force.
As shown in fig. 3 and 4, an annular winding groove 7 is formed in the middle of the rotary locking piece 5, the winding groove 7 is communicated with two ends of the locking groove 6, and a line is wound around the winding groove 7 after being inserted from the locking groove 6 on one side, so that the purpose of increasing the friction stress point is achieved.
As shown in fig. 3 and 4, a first cover plate 101 and a second cover plate 3 are symmetrically installed at two ends of the lock case 1, a second bolt 12 is installed at the center thread of the first cover plate 101, the inner end of the second bolt 12 is inserted into the extrusion hole 10, and the fastening or loosening of the conductor bar in the lock slot 6 is controlled by rotating the second bolt 12 to control the insertion depth.
As shown in fig. 3 and 4, the diameter of the extrusion hole 10 is larger than the outer diameter of the thread of the second bolt 12, so that the second bolt 12 can be conveniently inserted into the extrusion hole 10, and the operation resistance is reduced.
As shown in fig. 3, a through groove 301 is formed in the middle of the second cover plate 3, the first bolt 9 is installed in the through groove 301 in a penetrating manner, meanwhile, the inner end of the first bolt is connected to the middle of one end of the rotary locking block 5, and the first bolt 9 is controlled to rotate to drive the rotary locking block 5 to rotate, so that the purpose of winding the wire bar on the winding groove 7 is achieved.
As shown in fig. 3, a plurality of locking holes 8 are uniformly formed at the connecting end of the rotary locking block 5 and the first bolt 9, and meanwhile, the mortise lock 4 capable of being inserted into the locking holes 8 is installed on the second cover plate 3, and the rotation or locking state of the rotary locking block 5 is controlled by the mortise lock 4.
The working principle is as follows: through treating the top of tensile test wire strip through leaving hole 11 and insert the locked groove 6 on the rotatory locking piece 5 in, the degree of depth that inserts locked groove 6 is greater than half of its length, ensure that second bolt 12 inserts extrusion hole 10 and can compress tightly the wire strip, then drive rotatory locking piece 5 through rotatory first bolt 9 and rotate, make the winding of wire strip part on the winding groove 7 in the rotatory locking piece 5 outside, then fix through mortise lock 4 rotation locking piece 5, increase the frictional force with this to lines and winding groove 7, avoid the direct atress fracture of extrusion department, the stability that tensile force detected has been increased.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a pulling force detection device, is including being the connecting plate (2) of lock box (1) and its top installation of tube-shape, its characterized in that: a cylindrical rotary locking block (5) is installed in the lock box (1), a locking groove (6) is radially arranged in the middle of the rotary locking block (5) in a penetrating mode, and meanwhile an extrusion hole (10) communicated with the middle of the locking groove (6) is formed in one end of the rotary locking block (5);
rotatory locking piece (5) one end is rotated through first bolt (9) and is installed lock box (1) one side, lock box (1) opposite side is installed and is inserted extrusion hole (10) carry out second bolt (12) that fasten to the line, lock box (1) bottom sets up and exports hole (11).
2. The tension detection device according to claim 1, wherein an annular winding groove (7) is formed in the middle of the rotary locking piece (5), and the winding groove (7) is communicated with two ends of the locking groove (6).
3. The tension detection device according to claim 2, wherein a first cover plate (101) and a second cover plate (3) are symmetrically arranged at two ends of the lock box (1), the second bolt (12) is arranged at the center of the first cover plate (101) in a threaded manner, and the inner end of the second bolt (12) is inserted into the extrusion hole (10).
4. A tension sensing device as claimed in claim 3, wherein the diameter of the extrusion hole (10) is greater than the external diameter of the second bolt (12).
5. A tension detecting device according to claim 3, characterized in that a through slot (301) is provided in the middle of the second cover plate (3), the first bolt (9) is installed through the through slot (301), and the inner end of the first bolt is connected to the middle of one end of the rotary lock block (5).
6. The tension detection device according to claim 5, wherein a plurality of locking holes (8) are uniformly formed at the connection end of the rotary locking piece (5) and the first bolt (9), and a mortise lock (4) capable of being inserted into the locking holes (8) is installed on the second cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222031328.2U CN217981057U (en) | 2022-08-03 | 2022-08-03 | Tension detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222031328.2U CN217981057U (en) | 2022-08-03 | 2022-08-03 | Tension detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217981057U true CN217981057U (en) | 2022-12-06 |
Family
ID=84256412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222031328.2U Active CN217981057U (en) | 2022-08-03 | 2022-08-03 | Tension detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217981057U (en) |
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2022
- 2022-08-03 CN CN202222031328.2U patent/CN217981057U/en active Active
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