Screw and bolt torsion resistance detection device

Abstract

The utility model relates to the field of screw and bolt detection, and discloses a screw and bolt torsion resistance detection device which comprises a workbench, the top of the workbench is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly provided with an electric push rod, and the output end of the electric push rod is fixedly connected with a movable plate. A motor is fixedly mounted at the top of the movable plate, and an output shaft of the motor is fixedly connected with a rotating shaft through a coupler. According to the screw and bolt torsion resistance detection device, through the arrangement of the workbench, the supporting plate, the electric push rod, the movable plate, a motor, a rotating shaft, a blade, a fixed plate, a hydraulic push rod and a clamping plate, the device can have the effect of high working efficiency, and the stability of screws and bolts after being stressed can be ensured in a clamping mode at the stage of torsion resistance detection of the screws and bolts; the clamping force provided by the hydraulic push rod is relatively high, so that the stability of screws and bolts is ensured, and the use requirements of people are met.

Description

Technical Field

[0001] The utility model relates to the field of screw and bolt detection, in particular to a torsional resistance detection device for screws and bolts. Background Technique

[0002] A screw is a tool that uses the physical and mathematical principles of the inclined plane circle rotation and friction of an object to gradually fasten the machine parts of an object. A screw is a general term for fasteners and is an everyday colloquialism. Screws are indispensable industrial necessities in daily life: such as extremely small screws used in cameras, glasses, watches, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, etc.; for engineering, construction, and bridges, large screws and nuts are used; for transportation tools, airplanes, trams, cars, etc., both large and small screws are used. Screws play an important role in industry. As long as there is industry on the earth, the function of screws will always be important. Screws are an invention shared by people in production and life for thousands of years. From the perspective of application fields, it is the first great invention of mankind. The main function of a screw is to connect two workpieces together to play a fastening role. A bolt is a type of fastener composed of a head and a screw rod (a cylinder with an external thread), and it needs to be used in conjunction with a nut to fasten and connect two parts with through holes. This connection form is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so bolt connection belongs to detachable connection. An anchor bolt is a form of bolt connection. After assembly, only the nut part can be detached, and the screw rod part is fixed to the concrete base material in a certain form and cannot be separated.

[0003] The following problems exist in the prior art:

[0004] In the prior art, the working efficiency of torsional resistance detection for screws and bolts is low. Generally, screw and bolt manufacturers will detect the quality of screws and bolts before leaving the factory. Among them, torque testing is required. However, due to the relatively smooth screw rod part of the screw and bolt, during the torque testing process, the workpiece will slip on the screw rod, resulting in inaccurate torque testing for the bolt and screw. Repeated detection will greatly increase the workload and the working efficiency is low. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a torsional resistance detection device for screws and bolts, which has the advantages of high working efficiency and solves the problems in the above background technique.

[0007] (2) Technical Solution

[0008] To achieve the above object of high working efficiency, the present utility model provides the following technical solutions: A torsional resistance detection device for screws and bolts, comprising a workbench, a support plate is fixedly connected to the top of the workbench, an electric push rod is fixedly installed at the bottom of the support plate, the output end of the electric push rod is fixedly connected to a movable plate, a motor is fixedly installed on the top of the movable plate, and the output shaft of the motor is fixedly connected to a rotating shaft through a coupling.

[0009] The bottom end of the rotating shaft is movably connected to a blade, a fixing plate is fixedly connected to the top of the workbench, a hydraulic push rod is fixedly connected to one side of the fixing plate, and a clamping plate is fixedly connected to one end of the hydraulic push rod. This enables the device to have the function of high working efficiency. During the stage of torsional resistance detection of screws and bolts, the clamping method can be used to ensure the stability of the screws and bolts after being stressed, avoiding the influence on the detection caused by slipping. The clamping force provided by the hydraulic push rod is relatively high, thereby ensuring the stability of the screws and bolts and meeting the usage requirements of people.

[0010] Preferably, the number of the hydraulic push rods is two, and the two hydraulic push rods are symmetrically arranged with the vertical center line of the workbench as the axis of symmetry. The two hydraulic push rods can ensure that the clamping of the screws and bolts is more stable and avoid the problem of slipping.

[0011] Preferably, a bearing is fixedly installed on the front surface of the movable plate, and the movable plate is movably connected to the rotating shaft through the bearing. The bearing can give the rotating shaft sufficient rotational support force.

[0012] Preferably, columns are fixedly connected to the bottom of the workbench, and foot supports are fixedly connected to the bottom ends of the columns. The columns cooperate with the foot supports to give the workbench sufficient support balance.

[0013] Preferably, an installation screw is detachably connected to the top of the rotating shaft, and the rotating shaft is movably connected to the blade through the installation screw. The installation screw can be used to splice and install the rotating shaft and the blade, thereby facilitating people to replace blades of different models.

[0014] Preferably, a nut is detachably connected to the outer wall of the installation screw, and the nut can tighten the installation screw, thereby enabling the installation screw and the nut to provide a more stable installation effect.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a torsional resistance detection device for screws and bolts, which has the following beneficial effects:

[0017] This torsional resistance detection device for screws and bolts can make the device highly efficient by setting up a workbench, a support plate, an electric push rod, a movable plate, a motor, a rotating shaft, a blade, a fixed plate, a hydraulic push rod, and a clamping plate. During the stage of detecting the torsional resistance of screws and bolts, the clamping method can be used to ensure the stability of the screws and bolts after being stressed, avoiding the influence on the detection caused by slipping. The clamping force provided by the hydraulic push rod is relatively high, thus ensuring the stability of the screws and bolts and meeting people's usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a front cross-sectional view of the present utility model;

[0020] Figure 3 For the present utility model Figure 2 is an enlarged view of the structure at A in;

[0021] Figure 4 For the present utility model Figure 2 is an enlarged view of the structure at B in.

[0022] In the figure: 1, workbench; 2, support plate; 3, electric push rod; 4, movable plate; 5, motor; 6, rotating shaft; 7, blade; 8, fixed plate; 9, hydraulic push rod; 10, clamping plate; 11, column; 12, foot support; 13, bearing; 14, mounting screw; 15, nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] The preferred embodiment of the torsional resistance detection device for screws and bolts provided by the present utility model is as Figures 1 to 4 shown: A torsional resistance detection device for screws and bolts includes a workbench 1. A support plate 2 is fixedly connected to the top of the workbench 1. An electric push rod 3 is fixedly installed at the bottom of the support plate 2. The output end of the electric push rod 3 is fixedly connected to a movable plate 4. A motor 5 is fixedly installed on the top of the movable plate 4. The output shaft of the motor 5 is fixedly connected to a rotating shaft 6 through a coupling.

[0026] The bottom end of the rotating shaft 6 is movably connected with a blade 7. The top of the workbench 1 is fixedly connected with a fixing plate 8. One side of the fixing plate 8 is fixedly connected with a hydraulic push rod 9. One end of the hydraulic push rod 9 is fixedly connected with a clamping plate 10, which can make the device have the function of high working efficiency. During the stage of anti-torsion detection of screws and bolts, the clamping method can be used to ensure the stability of screws and bolts after being stressed, avoiding the influence on detection caused by slipping. The clamping force provided by the hydraulic push rod 9 is relatively high, so as to ensure the stability of screws and bolts, meeting the usage requirements of people.

[0027] In this embodiment, the number of the hydraulic push rods 9 is two, and the two hydraulic push rods 9 are symmetrically arranged with the vertical center line of the workbench 1 as the axis of symmetry. The two hydraulic push rods 9 can ensure that the screws and bolts are clamped more firmly, avoiding the problem of slipping.

[0028] Embodiment 2

[0029] On the basis of Embodiment 1, a preferred embodiment of the screw and bolt anti-torsion detection device provided by the present utility model is as Figures 1 to 4 shown: A bearing 13 is fixedly installed on the front surface of the movable plate 4, and the movable plate 4 is movably connected with the rotating shaft 6 through the bearing 13. The bearing 13 can give sufficient rotational support to the rotating shaft 6.

[0030] In this embodiment, the bottom of the workbench 1 is fixedly connected with a column 11, and the bottom end of the column 11 is fixedly connected with a footrest 12. The column 11 and the footrest 12 cooperate to give sufficient support balance to the workbench 1.

[0031] Furthermore, the top of the rotating shaft 6 is detachably provided with a mounting screw 14, and the rotating shaft 6 is movably connected with the blade 7 through the mounting screw 14. The mounting screw 14 can be used to splice and install the rotating shaft 6 and the blade 7, so as to facilitate people to replace blades 7 of different models.

[0032] Even further, a nut 15 is detachably arranged on the outer wall of the mounting screw 14. The nut 15 can tighten the mounting screw 14, so that the mounting screw 14 and the nut 15 provide a more stable mounting effect.

[0033] During use, place the screw or bolt that needs to be torsion-resistant tested at the notch on the workbench 1 and between the two clamping plates 10. Then, turn on the hydraulic push rod 9. The hydraulic push rod 9 pushes the clamping plates 10 to move and firmly clamp and fix the screw bodies of the screw and the bolt. Then, according to the screw thread at the top of the screw or bolt, install the corresponding flat or cross-shaped blade 7 at the bottom end of the rotating shaft 6 using the mounting screw 14 and the nut 15. Then, turn on the electric push rod 3. The electric push rod 3 pushes the movable plate 4 to descend and makes the blade 7 insert into the screw thread at the top of the screw or bolt. Then, turn on the motor 5. The motor 5 drives the rotating shaft 6 and the blade 7 to rotate, so that the blade 7 twists the screw or bolt, thereby quickly testing its torsion-resistant ability. After the test is completed, remove the screw or bolt to complete the work.

[0034] In summary, this screw and bolt torsion-resistant testing device can achieve the purpose of high work efficiency. During the stage of torsion-resistant testing of screws and bolts, the clamping method can be used to ensure the stability of the screws and bolts after being stressed, avoiding the influence on the test caused by slipping. The clamping force provided by the hydraulic push rod 9 is relatively high, so as to ensure the stability of the screws and bolts, meeting people's usage requirements.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screw and bolt torsion resistance detection device, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a support plate (2), the bottom of the support plate (2) is fixedly installed with an electric push rod (3), the output end of the electric push rod (3) is fixedly connected to a movable plate (4), the top of the movable plate (4) is fixedly installed with a motor (5), and the output shaft of the motor (5) is fixedly connected to a rotating shaft (6) via a coupling; The bottom end of the rotating shaft (6) is movably connected to a blade (7), the top of the workbench (1) is fixedly connected to a fixing plate (8), one side of the fixing plate (8) is fixedly connected to a hydraulic push rod (9), and one end of the hydraulic push rod (9) is fixedly connected to a clamping plate (10).

2. A screw and bolt torsion detection device according to claim 1, characterized in that: The number of the hydraulic push rods (9) is two, and the two hydraulic push rods (9) are symmetrically arranged with the vertical center line of the workbench (1) as the symmetry axis.

3. A screw and bolt torsion detection device according to claim 1, characterized in that: A bearing (13) is fixedly mounted on the front side of the movable plate (4), and the movable plate (4) is movably connected to the rotating shaft (6) via the bearing (13).

4. A screw and bolt torsion detection device according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected to a column (11), and the bottom end of the column (11) is fixedly connected to a foot support (12).

5. The screw and bolt torsion detection device according to claim 1, characterized in that: A mounting screw (14) is detachably provided on the top of the rotating shaft (6), and the rotating shaft (6) is movably connected to the blade (7) via the mounting screw (14).

6. A screw and bolt torsion detection device according to claim 5, characterized in that: The outer wall of the mounting screw rod (14) is provided with a detachable nut (15).

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