CN115266053A

CN115266053A - Detection test device for single-side installation thread type screw extraction

Info

Publication number: CN115266053A
Application number: CN202210732665.6A
Authority: CN
Inventors: 王文吉; 陈亚; 隋天龙; 黄泽江; 龙蓉
Original assignee: China Aviation Industry Standard Parts Manufacturing Co Ltd
Current assignee: China Aviation Industry Standard Parts Manufacturing Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-01

Abstract

The invention discloses a single-side installation thread type screw pulling detection test device which comprises a torque wrench (1), a tool (2), a three-jaw chuck A (3), a torque machine (4) and a three-jaw chuck B (5), and is characterized in that the torque wrench is connected with the three-jaw chuck A through a screw; in torque wrench (1) inserted frock (2), frock (2) were including torque sleeve (21), sandwich panel (22), visual window (24), torque wrenching piece (25), and torque wrenching piece (25) is gone into torque sleeve (21) card and is put into sandwich panel (22) and twist into bolt (23) and connect, is provided with visual window (24) on torque sleeve (21), and torque wrench (1) inserts in torque wrenching piece (25). The invention has good sight, convenient observation of the deformation process of the deformed part during detection, real measurement data and small difficulty in adjusting the coaxiality of the part and equipment.

Description

Detection test device for single-side installation thread type screw extraction

Technical Field

The invention belongs to the technical field of detection tests, and particularly relates to a detection test device for a single-side installation threaded type screw extraction.

Background

The single-side installation thread type screw is a novel fastener, is widely applied in the aviation industry, and in order to meet test requirements, ensure service performance and accurately control twisting-off torque, performance indexes such as installation torque, torque change, minimum loosening torque and the like need to be monitored and detected in the test process, in the prior art, a three-jaw chuck is used for directly clamping two ends of a part through a nut torsion machine, and a driving nut of the part is cylindrical, so that firstly, the three-jaw chuck of the torsion machine is used for directly clamping the part, so that the part is difficult to clamp and slip; secondly, directly press from both sides tight drive nut through torque machine and three-jaw chuck, can influence product installation moment and installation effect to can cause the installation moment that measures and minimum loosening moment to contain the equipment clamp force, measured data is inaccurate.

Disclosure of Invention

The invention aims to overcome the defects and provide the single-side mounting threaded nail pulling detection test device which has good sight, is convenient to observe the deformation process of a deformed part during detection, ensures real measurement data and has small difficulty in adjusting the coaxiality of the part and equipment.

The invention aims to solve the main technical problem by adopting the following technical scheme:

the invention relates to a screw-pulling detection test device for single-side installation of a thread type, which comprises a torque wrench, a tool, a three-jaw chuck A, a torque machine and a three-jaw chuck B, wherein the torque wrench is connected with the tool; in the torque wrench tip inserted the frock, the frock includes that torque sleeve, sandwich panel, visual window, torque wrest the piece, and torque wrest the piece card is put into torque sleeve and is put into sandwich panel and twist bolted connection, is provided with visual window on the torque sleeve, and torque wrench inserts in the torque wrest piece.

The torque wrench is cylindrical, one end of the torque wrench is large, the other end of the torque wrench is small, a through hole is formed in the center of the torque wrench, and the shape of the through hole is matched with the screwing structure of the nail pulling plate.

The sandwich plate is characterized in that a through hole is formed in the center of the sandwich plate, and one end hole is in a horn shape.

The torsion wrenching block is cylindrical, a chuck is arranged on the surface of the cylinder, and a raised head is arranged on the right end face of the torsion wrenching block.

The torque wrench is clamped on the rotatable three-jaw chuck B, the three-jaw chuck B is installed at one end of the torque machine, the three-jaw chuck A is installed at the other end of the torque machine, and the torque sleeve is clamped on the fixed three-jaw chuck A.

Compared with the prior art, the invention has obvious beneficial effects; the technical scheme shows that: the torsion wrenching block is clamped into the torsion sleeve and is placed into the sandwich plate to be screwed into the bolt for connection, the single-sided mounting thread type screw extraction is placed into the sandwich plate, the sandwich plate is fixed to the torsion sleeve by using the connecting bolt, a raised head arranged on the right end face of the torsion wrenching block is embedded into the single-sided mounting thread type screw extraction fixing clamping groove, the torsion wrenching block is placed into the torsion sleeve to be matched and fixed with the torsion sleeve, the torsion wrenching block is ensured not to rotate in the test process, the torsion wrench is inserted into the torsion wrenching block, the torque wrench narrow-diameter end is inserted from the torsion wrenching block and is matched with the single-sided mounting thread type screw extraction wrenching structure, and free extraction or insertion can be ensured after adjustment without clamping; the visual window is arranged on the torque sleeve, the forming process of the drawn nail is observed through the visual window, the good sight is realized, the deformation process of the deformed part is convenient to observe during detection, the tool and the torque wrench are respectively adjusted after the threaded drawn nail is arranged on one side of the tool, the coaxial difficulty of the tool, the torque wrench and the equipment is adjusted to be reduced after the diameter of the tool and the diameter of the torque wrench are amplified, the coaxial difficulty of the adjusted part and the equipment is reduced, and the truth of measured data is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the torque wrench and tooling of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view of FIG. 2A-A;

FIG. 4 is a top view of the inventive tooling;

FIG. 5 is a cross-sectional view of FIG. 4B-B;

FIG. 6 is a schematic view of the torque wrench of the present invention;

FIG. 7 is a schematic view of the torque wrenching block of the present invention;

FIG. 8 is a state of use of the present invention FIG. 1;

FIG. 9 is a state of use of the present invention FIG. 2;

FIG. 10 is a schematic view of the construction of the extraction nail of the present invention;

fig. 11 is a right side view of the extraction nail of the present invention.

In the drawings, reference numerals

1. The device comprises a torque wrench, 2, a tool, 3, three-jaw chucks A and 4, a torque machine, 5, three-jaw chucks B and 6, a pull nail, 21, a torque sleeve, 22, a sandwich plate, 23, a bolt, 24, a visual window, 25, a torque pulling and screwing block, 61, a driving nut, 62, a deformation part, 63, a supporting part, 64, a pulling and screwing structure, 65, a core rod, 66 and a fixing clamping groove.

Detailed Description

The details of the embodiments, structures, features and functions according to the present invention are described in the following detailed description and the preferred embodiments.

The invention relates to a detection test device for single-side installation threaded type screw extraction, which comprises a torque wrench 1, a tool 2, a three-jaw chuck A3, a torque machine 4 and a three-jaw chuck B5, wherein the torque wrench is connected with the tool 2 through a screw; the torque wrench 1 is inserted into the tool 2, the tool 2 comprises a torque sleeve 21, a sandwich plate 22, a visible window 24 and a torque wrenching block 25, the torque wrenching block 25 is clamped into the torque sleeve 21, placed into the sandwich plate 22 and screwed into the bolt 23 for connection, the torque sleeve 21 is provided with the visible window 24, and the small end of the torque wrench 1 is inserted into the torque wrenching block 25.

The torque wrench 1 is cylindrical, one end of the torque wrench is large, the other end of the torque wrench is small, a through hole is formed in the center of the torque wrench, and the shape of the through hole is matched with the screwing structure of the nail pulling wrench.

The sandwich plate 22 is provided with a through hole in the center, and one end of the through hole is in a horn shape.

The torsion wrenching block 25 is cylindrical, a chuck is arranged on the cylindrical surface, and a raised head is arranged on the right end face.

The torque wrench 1 is clamped on a rotatable three-jaw chuck B5, the three-jaw chuck B5 is installed at one end of a torque machine 4, the three-jaw chuck A3 is installed at the other end of the torque machine 4, and a torque sleeve 21 is clamped on the fixed three-jaw chuck A3.

When in use, the device is installed and a torsion curve is mapped; placing the torque wrenching block 25 to the torque sleeve 1 to be matched and fixed with each other, ensuring that the torque wrenching block 25 cannot rotate in the test process, placing the single-face installation threaded type pulling nail 6 into the interlayer plate 22 meeting the installation requirement, fixing the interlayer plate 22 to the torque sleeve 21 by using the connecting bolt 23, ensuring that the tooth part of the torque wrenching block 25 is embedded into the single-face installation threaded type pulling nail 6 fixing clamping groove 66 without shaking, inserting the thin-diameter end of the torque wrench 1 from the bottom of the torque wrenching block 25 to be matched with the single-face installation threaded type pulling nail 6 wrenching structure 64, ensuring that the torque wrench can be freely pulled out or inserted without clamping condition; connecting a large-diameter end of a torque wrench 1 with a rotating end of a torque machine 4 three-jaw chuck A3, connecting a torque sleeve 21 with a fixed end of the torque machine 4 three-jaw chuck B5, pushing out the torque wrench 1 after installation, installing the torque wrench back to the original position again, ensuring that the torque wrench 1, a tool 2, a nail 6 and the torque machine 4 are coaxial, and ensuring that no clamping or other conditions exist, resetting equipment, enabling a main shaft of the equipment to rotate forwards, driving the three-jaw chuck A3 to rotate by the main shaft, driving the torque wrench 1 to rotate by the three-jaw chuck A3, driving a wrenching structure 64 to rotate by the torque wrench 1, observing the forming process of the nail 6 through a visual window 24, stopping rotating the main shaft after the installation requirement is met, recording the installation torque and storing a torque curve;

detecting the minimum loosening moment; putting the torque wrenching block 25 to the torque sleeve 1 to be matched and fixed with each other, ensuring that the torque wrenching block 25 cannot rotate in the test process, putting the single-face installation threaded type drawing nail 6 into the interlayer plate 22 meeting the installation requirement, fixing the interlayer plate 22 to the torque sleeve 21 by using the connecting bolt 23, ensuring that the tooth part of the torque wrenching block 25 is embedded into the fixing clamping groove 66 part of the single-face installation threaded type drawing nail 6 without shaking, inserting the thin-diameter end of the torque wrench 1 from the bottom of the torque wrenching block 25 to be matched with the single-face installation threaded type drawing nail 6 wrenching structure 64, ensuring that the torque wrench can be freely extracted or inserted without clamping condition; the large-diameter end of a torque wrench 1 is connected with a torque machine 4 three-jaw chuck A3 (rotating) end, a torque sleeve 21 is connected with a torque machine 4 three-jaw chuck B5 (fixing) end, the torque wrench 1 is pushed out after installation, the original position is installed again, the torque wrench 1, a tool 2, a screw drawing 6 and the torque machine 4 are guaranteed to be coaxial, no clamping or other conditions exist, equipment is cleared, an equipment main shaft is enabled to rotate reversely, the main shaft drives the three-jaw chuck A3 to rotate, the three-jaw chuck A3 drives the torque wrench 1 to rotate, the torque wrench 1 drives a screwing structure 64 to rotate, the reverse rotation angle and the number of turns are specified by a screw drawing 6 standard, after detection requirements are met, the main shaft stops rotating, data are collected, and a value meeting the standard specification is recorded as a minimum loosening torque value.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications, equivalent variations and modifications made on the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention without departing from the technical solution of the present invention.

Claims

1. A screw-pulling detection test device for single-side installation of a threaded screw comprises a torque wrench (1), a tool (2), a three-jaw chuck A (3), a torque machine (4) and a three-jaw chuck B (5), and is characterized in that the torque wrench is connected with the tool through a screw; in torque wrench (1) inserted frock (2), frock (2) were including torque sleeve (21), sandwich panel (22), visual window (24), torque wrenching piece (25), and torque wrenching piece (25) card is gone into torque sleeve (21) and is put into sandwich panel (22) and twist bolt (23) and connect, is provided with visual window (24) on torque sleeve (21), and torque wrench (1) tip inserts in torque wrenching piece (25).

2. The nail extraction detection test device for single-sided installation of the threaded type according to claim 1, wherein; the torque wrench (1) is cylindrical, one end of the torque wrench is large, the other end of the torque wrench is small, a through hole is formed in the center of the torque wrench, and the shape of the through hole is matched with a pulling and screwing structure (64) of the nail pulling (6) to be measured.

3. The nail extraction detection test device for single-sided installation of the threaded type according to claim 1, wherein; the center of the sandwich plate (22) is provided with a through hole, and one end hole is in a horn shape.

4. The nail extraction detection test device for single-sided installation of the threaded type according to claim 1, wherein; the torsion wrenching block (25) is cylindrical, a chuck is arranged on the cylindrical surface, and a raised head is arranged on the right end surface.

5. The nail extraction detection test device for single-sided installation of the threaded type according to claim 1, wherein; the torque wrench (1) is clamped on the rotatable three-jaw chuck B (5), the three-jaw chuck B (5) is installed at one end of the torque machine (4), the three-jaw chuck A (3) is installed at the other end of the torque machine (4), and the torque sleeve (21) is clamped on the fixed three-jaw chuck A (3).