Tightening detection device for adjusting nut

By combining the pneumatic rotation and lifting mechanism with the adjustment nut tightening detection device with the PLC control system, the problems of long operating time and unvisible torque in the prior art are solved, and efficient tightening detection and flexible production are achieved.

CN223192460UActive Publication Date: 2025-08-05XUZHOU BOHUI SHITONG HEAVY IND MASCH CO LTD
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Patent Information

Application Number
CN202422415384.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-08-05
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

In the prior art, the adjustment nut tightening detection station has a long operating time and cannot realize torque visualization and recording, and lacks flexible production capacity.

Method used

The adjustment nut tightening detection device consisting of a first pneumatic rotating mechanism, a pneumatic lifting mechanism, a second pneumatic rotating mechanism, a PLC control system and a tightening detection mechanism is adopted to realize real-time switching of tightening and detection through the PLC control system, and tightening or torque detection is performed in combination with a non-standard sleeve assembly.

Benefits of technology

The adjustment nut is tightened and tested at the same station, which improves production efficiency, realizes the visualization and recording of torque, reduces the production and maintenance costs of equipment, and enhances production flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

An adjusting nut tightening detection device is composed of a first pneumatic rotating mechanism, a pneumatic lifting mechanism, a second pneumatic rotating mechanism, a PLC control system, a tightening detection mechanism and a non-standard sleeve assembly, and the first pneumatic rotating mechanism is connected with a field KBK and can rotate by 360 degrees; the pneumatic lifting mechanism is fixedly connected with the lower part of the first pneumatic rotating mechanism and can linearly move up and down; the second pneumatic rotating mechanism is fixedly connected with the lower part of the pneumatic lifting mechanism and can rotate in the horizontal direction; the PLC control system is fixedly connected with the second pneumatic rotating mechanism and controls the tightening detection mechanism to be switched in real time. The tightening detection mechanism is fixedly connected with the second pneumatic rotating mechanism and can switch tightening and detection positions; the non-standard sleeve assembly is installed on the tightening detection mechanism and is used for tightening the adjusting nut or detecting the torque of the adjusting nut. The PLC system is adopted to control function conversion of the tightening detection mechanism, and flexible production of first fastening and second detection and visualization of nut torque adjustment are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of adjusting nuts, in particular to a tightening detection device for adjusting nuts. Background Art

[0002] Existing technology typically uses two sets of fixtures, namely torque guns with different torque settings, to check the tightening of adjusting nuts. First, the adjusting nut is tightened, then the fixture is replaced and the torque is checked using the second set of tightening guns. This traditional torque detection device lacks visual clarity, recording capabilities, and requires a long operation time. Summary of the Invention

[0003] The utility model provides an adjusting nut tightening detection device, which realizes tightening first and then detection of the adjusting nut at the same work station and realizes torque visualization.

[0004] The technical solution of the utility model is: a tightening detection device for adjusting the nut, which is composed of a first pneumatic rotating mechanism, a pneumatic lifting mechanism, a second pneumatic rotating mechanism, a PLC control system, a tightening detection mechanism, and a non-standard sleeve assembly. The first pneumatic rotating mechanism is connected to the on-site modular crane and rotates 360° with the vertical center line as the rotation axis; the pneumatic lifting mechanism is fixedly connected to the lower part of the first pneumatic rotating mechanism, and the pneumatic lifting mechanism performs linear motion up and down; the second pneumatic rotating mechanism is fixedly connected to the lower part of the pneumatic lifting mechanism and rotates with the horizontal center line as the rotation axis; the PLC control system is fixedly connected to the second pneumatic rotating mechanism to control the tightening detection mechanism to switch the tightening and torque detection of the adjusting nut in real time; the tightening detection mechanism is fixedly connected to the second pneumatic rotating mechanism for switching the tightening and detection positions; the non-standard sleeve assembly is installed on the tightening detection mechanism to tighten or torque detect the adjusting nut.

[0005] Furthermore, the first pneumatic rotating mechanism includes a connecting plate, a first pneumatic brake cylinder, a rotating shaft, an anti-drop device, a two-way pipe joint, and an L-shaped speed regulating valve. The connecting plate, the first pneumatic brake cylinder and the rotating shaft are connected with bolts; the anti-drop device is suspended under the connecting plate; the two-way pipe joint is arranged under the connecting plate to play a role in pressure regulation and stabilization; the three-way pipe joint is arranged on the upper edge of the connecting plate; the L-shaped speed regulating valve is arranged on one side of the first pneumatic brake cylinder, and the three-way pipe joint and the L-shaped speed regulating valve are used to change the gas flow direction and control the gas flow rate.

[0006] Furthermore, the pneumatic lifting mechanism includes a three-color lamp, a lifting mounting seat, a lifting cylinder, a check valve, a guide shaft, a pneumatic lifting mechanism connecting plate, and a connecting rotating shaft. The lifting mounting seat, the lifting cylinder and the guide shaft, and the pneumatic lifting mechanism connecting plate are connected with bolts; the three-color lamp is connected to the lifting mounting seat with bolts; and the lifting mounting seat is connected to the rotating shaft with bolts.

[0007] Furthermore, the second pneumatic rotating mechanism includes a clamping seat, a connecting seat, a tightening clamp connecting plate, a starting handle, a second pneumatic brake cylinder, and a speed regulating valve; the clamping seat is bolted to the connecting seat, and the clamping seat is bolted to the connecting shaft; the tightening clamp connecting plate, the second pneumatic brake cylinder and the starting handle are connected by bolts.

[0008] Furthermore, the PLC control system includes a PLC controller, a touch screen connecting rod, a first handle clamp, a second handle clamp, and a start handle mounting base. The touch screen connecting rod is connected to the first handle clamp and the second handle clamp with bolts. The touch screen connecting rod can be changed in direction. The touch screen connecting rod is fixedly connected to the PLC controller, and the start handle mounting base is fixedly connected to the start handle.

[0009] Furthermore, the tightening detection mechanism includes a detection fixture gear, a tightening gun gear, a gear mounting seat, a round handle, a tightening gun mounting plate, a tightening gun, a connecting shaft, and a detection gun. The detection fixture gear, the tightening gun gear and the gear mounting seat are bolted together, the gear mounting seat, the round handle, the tightening gun, one end of the connecting shaft, the detection gun and the tightening gun mounting plate are bolted together, and the other end of the connecting shaft is bolted together with the tightening fixture connecting plate. The tightening gun and the detection gun are electrically connected to the PLC control system. When the tightening gun reaches a preset torque, the detection gun drives the detection fixture gear to rotate to detect the torque, and the round handle corrects the angle of the tightening detection mechanism.

[0010] Furthermore, the non-standard sleeve assembly includes a non-standard nut sleeve, a starting plate pad, a U-shaped starting lever assembly, an extended shaft, and an extended shaft mounting seat. The non-standard nut sleeve is bolted to the extended shaft and the extended shaft mounting seat in sequence, and the extended shaft is connected to the tightening gun gear key for tightening the adjustment nut; the starting plate pad, the extended shaft mounting seat and the U-shaped starting lever assembly are bolted to detect the adjustment nut torque.

[0011] The beneficial effects of the utility model are:

[0012] (1) The PLC control system controls the rapid conversion of tightening and testing fixtures to achieve flexible production and testing, thereby improving production efficiency;

[0013] (2) The detected torque value can be visualized and recorded, which is convenient and efficient;

[0014] (3) Component design allows for quick replacement, greatly reducing equipment production and maintenance costs;

[0015] (4) Non-standard sleeves can be quickly replaced according to production requirements and have strong compatibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the first pneumatic rotating mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the pneumatic lifting mechanism of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the second pneumatic rotating mechanism of the present utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the PLC control system of this utility model;

[0021] Figure 6 This is a structural diagram of the tightening detection mechanism of the utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the non-standard sleeve assembly of the utility model.

[0023] Among them: 1. First pneumatic rotating mechanism, 11. Connecting plate, 12. First pneumatic brake cylinder, 13. Rotating shaft, 14. Anti-drop device, 15. Two-way joint, 16. Three-way pipe joint, 17. L-type speed regulating valve, 2. Pneumatic lifting mechanism, 21. Three-color light, 22. Lifting mounting seat, 23. Lifting cylinder, 24. Check valve, 25. Guide shaft, 26. Pneumatic lifting mechanism connecting plate, 27. Connecting shaft, 3. Second pneumatic rotating mechanism, 31. Holding seat, 32. Connecting seat, 33. Tightening fixture connecting plate, 34. Starting handle, 35. Second pneumatic brake cylinder, 36 , speed regulating valve, 4, PLC control system, 41, PLC controller, 42, touch screen connecting rod, 43, first handle clamp, 44, second handle clamp, 45, starting handle mounting seat, 5, tightening detection mechanism, 51, detection fixture gear, 52, tightening gun gear, 53, gear mounting seat, 54, round handle, 55, tightening gun mounting plate, 56, tightening gun, 57, connecting shaft, 58, detection gun, 6, non-standard sleeve assembly, 61, non-standard nut sleeve, 62, starting dial plate pad, 63, U-shaped starting dial rod assembly, 64, extension shaft, 65, extension shaft mounting seat. DETAILED DESCRIPTION

[0024] This embodiment provides an adjusting nut tightening detection device, the structure of which is as follows Figure 1As shown, it consists of a first pneumatic rotating mechanism 1, a pneumatic lifting mechanism 2, a second pneumatic rotating mechanism 3, a PLC control system 4, a tightening detection mechanism 5, and a non-standard sleeve assembly 6. The first pneumatic rotating mechanism 1 is connected to the on-site modular crane and rotates 360° with the vertical center line as the rotation axis; the pneumatic lifting mechanism 2 is bolted to the lower part of the first pneumatic rotating mechanism 1, and the pneumatic lifting mechanism 2 moves linearly up and down; the second pneumatic rotating mechanism 3 is bolted to the lower part of the pneumatic lifting mechanism 2 and rotates with the horizontal center line as the rotation axis; the PLC control system 4 is fixedly connected to the second pneumatic rotating mechanism 3 to control the tightening detection mechanism 5 to switch between tightening and torque detection of the adjusting nut in real time; the tightening detection mechanism 5 is bolted to the second pneumatic rotating mechanism 3 for switching the tightening and detection positions; the non-standard sleeve assembly 6 is installed on the tightening detection mechanism 5 to tighten or torque detect the adjusting nut.

[0025] like Figure 2 As shown, the first pneumatic rotating mechanism 1 includes a connecting plate 11, a first pneumatic brake cylinder 12, a rotating shaft 13, an anti-drop device 14, a two-way pipe joint 15, a three-way pipe joint 16, and an L-shaped speed regulating valve 17. The connecting plate 11, the first pneumatic brake cylinder 12 and the rotating shaft 13 are connected with bolts to realize the first pneumatic rotating mechanism 1 to rotate at any angle along the rotating shaft 13; the anti-drop device 14 is suspended under the connecting plate 11 to play a safety protection role; the two-way pipe joint 15 is arranged under the connecting plate 11 to play a pressure regulating and stabilizing role; the three-way pipe joint 16 is arranged on the upper edge of the connecting plate 11; the L-shaped speed regulating valve 17 is arranged on one side of the pneumatic brake cylinder 12, and the three-way pipe joint 16 and the L-shaped speed regulating valve 17 are used to change the gas flow direction and control the gas flow rate.

[0026] like Figure 3 As shown, the pneumatic lifting mechanism 2 includes a three-color lamp 21, a lifting mounting seat 22, a lifting cylinder 23, a check valve 24, a guide shaft 25, a pneumatic lifting mechanism connecting plate 26, and a connecting rotating shaft 27. The lifting mounting seat 22, the lifting cylinder 23, the guide shaft 25, and the pneumatic lifting mechanism connecting plate 26 are connected by bolts. The lifting cylinder 23 controls the lifting of the pneumatic lifting mechanism 2; the three-color lamp 21 is connected to the lifting mounting seat 22 with bolts; and the lifting mounting seat 22 is bolted to the rotating shaft 13.

[0027] like Figure 4As shown, the second pneumatic rotating mechanism 3 includes a clamping seat 31, a connecting seat 32, a tightening clamp connecting plate 33, a starting handle 34, a second pneumatic brake cylinder 35, and a speed regulating valve 36; the clamping seat 31 and the connecting seat 32 are connected with bolts, and the clamping seat 31 is bolted to the connecting shaft 27; the tightening clamp connecting plate 33, the second pneumatic brake cylinder 35 and the starting handle 34 are connected with bolts to realize the horizontal rotation of the second pneumatic rotating mechanism 3 around the connecting shaft 27, and the starting handle 34 controls the start and stop of the tightening adjustment nut.

[0028] like Figure 5 As shown, the PLC control system 4 includes a PLC controller 41, a touch screen connecting rod 42, a first handle clamp 43, a second handle clamp 44, and a start handle mounting base 45. The touch screen connecting rod 42 is connected to the first handle clamp 43 and the second handle clamp 44 with bolts to achieve direction conversion of the touch screen connecting rod 42. The touch screen connecting rod 42 is fixedly connected to the PLC controller 41, and the start handle mounting base 45 is fixedly connected to the start handle 34.

[0029] like Figure 6 As shown, the tightening detection mechanism 5 includes a detection fixture gear 51, a tightening gun gear 52, a gear mounting seat 53, a round handle 54, a tightening gun mounting plate 55, a tightening gun 56, a connecting shaft 57, and a detection gun 58. The detection fixture gear 51 and the tightening gun gear 52 are bolted to the gear mounting seat 53, the gear mounting seat 53, the round handle 54, the tightening gun 56, one end of the connecting shaft 57, and the detection gun 58 are bolted to the tightening gun mounting plate 55, and the other end of the connecting shaft 57 is bolted to the tightening fixture connecting plate 33. The tightening gun 56 and the detection gun 58 are electrically connected to the PLC control system 4. When the tightening gun 56 reaches the preset torque, the detection gun 58 drives the detection fixture gear 51 to rotate to detect the torque, and the round handle 54 corrects the angle of the tightening detection mechanism 5.

[0030] like Figure 7 As shown, the non-standard sleeve assembly 6 includes a non-standard nut sleeve 61, a starting plate pad 62, a U-shaped starting lever assembly 63, an extension shaft 64, and an extension shaft mounting seat 65. The non-standard nut sleeve 61 is bolted to the extension shaft 64 and the extension shaft mounting seat 65 in sequence. The extension shaft 64 is keyed to the tightening gun gear 52 for tightening the adjustment nut. The starting plate pad 62 and the extension shaft mounting seat 65 are bolted to the U-shaped starting lever assembly 63 for detecting the adjustment nut torque.

[0031] Note: PLC: Programmable Logic Controller (PLC) is a digital electronic device with a microprocessor. It is a digital logic controller used for automated control and can load control instructions into the memory for storage and operation at any time.

[0032] In addition to the above embodiments, the present invention may also have other implementation methods; any technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope required by the present invention.

Claims

1. A device for detecting tightening of an adjusting nut, characterized in that: The adjusting nut tightening detection device comprises a first pneumatic rotating mechanism (1), a pneumatic lifting mechanism (2), a second pneumatic rotating mechanism (3), a PLC control system (4), a tightening detection mechanism (5), and a non-standard sleeve assembly (6). The first pneumatic rotating mechanism (1) is connected to an on-site modular crane and rotates 360 degrees with a vertical center line as a rotation axis; the pneumatic lifting mechanism (2) is fixedly connected to the lower part of the first pneumatic rotating mechanism (1), and the pneumatic lifting mechanism (2) moves linearly up and down; the second pneumatic rotating mechanism (3) is fixedly connected to the lower part of the pneumatic lifting mechanism (2) and rotates with a horizontal center line as a rotation axis; the PLC control system (4) is fixedly connected to the second pneumatic rotating mechanism (3) and controls the tightening detection mechanism (5) to switch between tightening and torque detection of the adjusting nut in real time; the tightening detection mechanism (5) is fixedly connected to the second pneumatic rotating mechanism (3) and is used to switch between tightening and detection positions; the non-standard sleeve assembly (6) is installed on the tightening detection mechanism (5) to tighten or detect the torque of the adjusting nut.

2. The adjusting nut tightening detection device according to claim 1, characterized in that: The first pneumatic rotating mechanism (1) comprises a connecting plate (11), a first pneumatic brake cylinder (12), a rotating shaft (13), an anti-drop device (14), a two-way pipe joint (15), a three-way pipe joint (16), and an L-shaped speed regulating valve (17). The connecting plate (11), the first pneumatic brake cylinder (12), and the rotating shaft (13) are connected by bolts; the anti-drop device (14) is suspended below the connecting plate (11); the two-way pipe joint (15) is arranged below the connecting plate (11) to play a role in pressure regulation and stabilization; the three-way pipe joint (16) is arranged on the upper edge of the connecting plate (11); the L-shaped speed regulating valve (17) is arranged on one side of the first pneumatic brake cylinder (12); the three-way pipe joint (16) and the L-shaped speed regulating valve (17) are used to change the gas flow direction and control the gas flow rate.

3. The adjusting nut tightening detection device according to claim 1, characterized in that: The pneumatic lifting mechanism (2) comprises a three-color lamp (21), a lifting mounting seat (22), a lifting cylinder (23), a check valve (24), a guide shaft (25), a pneumatic lifting mechanism connecting plate (26), and a connecting rotating shaft (27). The lifting mounting seat (22), the lifting cylinder (23), the guide shaft (25), and the pneumatic lifting mechanism connecting plate (26) are connected by bolts; the three-color lamp (21) is connected to the lifting mounting seat (22) by bolts; and the lifting mounting seat (22) is connected to the rotating shaft (13) by bolts.

4. The adjusting nut tightening detection device according to claim 1, characterized in that: The second pneumatic rotating mechanism (3) includes a clamping seat (31), a connecting seat (32), a tightening fixture connecting plate (33), a starting handle (34), a second pneumatic brake cylinder (35), and a speed regulating valve (36); the clamping seat (31) and the connecting seat (32) are connected by bolts, and the clamping seat (31) and the connecting shaft (27) are connected by bolts; the tightening fixture connecting plate (33), the second pneumatic brake cylinder (35) and the starting handle (34) are connected by bolts.

5. The adjusting nut tightening detection device according to claim 1, characterized in that: The PLC control system (4) includes a PLC controller (41), a touch screen connecting rod (42), a first handle clamp (43), a second handle clamp (44), and a start handle mounting seat (45). The touch screen connecting rod (42) is connected to the first handle clamp (43) and the second handle clamp (44) by bolts. The touch screen connecting rod (42) can be switched in direction. The touch screen connecting rod (42) is bolted to the PLC controller (41). The start handle mounting seat (45) is bolted to the start handle (34).

6. The adjusting nut tightening detection device according to claim 1, characterized in that: The tightening detection mechanism (5) comprises a detection fixture gear (51), a tightening gun gear (52), a gear mounting seat (53), a round handle (54), a tightening gun mounting plate (55), a tightening gun (56), a connecting shaft (57), and a detection gun (58). The detection fixture gear (51), the tightening gun gear (52) and the gear mounting seat (53) are bolted together. The gear mounting seat (53), the round handle (54), the tightening gun (56), one end of the connecting shaft (57), and the detection gun (58) are bolted together with the tightening gun mounting plate (55). The other end of the connecting shaft (57) is bolted together with the tightening fixture connecting plate (33). The tightening gun (56) and the detection gun (58) are electrically connected to the PLC control system (4). When the tightening gun (56) reaches a preset torque, the detection gun (58) drives the detection fixture gear (51) to rotate to detect and adjust the nut torque. The round handle (54) corrects the angle of the tightening detection mechanism (5).

7. The adjusting nut tightening detection device according to claim 1, characterized in that: The non-standard sleeve assembly (6) comprises a non-standard nut sleeve (61), a starting plate pad (62), a U-shaped starting lever assembly (63), an extended shaft (64), and an extended shaft mounting seat (65). The non-standard nut sleeve (61) is bolted to the extended shaft (64) and the extended shaft mounting seat (65) in sequence. The extended shaft (64) is key-connected to the tightening gun gear (52) for tightening the adjustment nut. The starting plate pad (62) and the extended shaft mounting seat (65) are bolted to the U-shaped starting lever assembly (63) for detecting the torque of the adjustment nut.