Torque coefficient detector for measuring high-strength bolt

Abstract

The utility model discloses a torque coefficient detector for measuring a high-strength bolt, and relates to the technical field of bolt torque detection, in particular to a torque coefficient detector for measuring a high-strength bolt, which comprises a base and a high-strength bolt, a fixing mechanism is arranged on the base and is used for fixing high-strength bolts with different specifications, and the high-strength bolt is arranged on the base. The fixing mechanism comprises an installation assembly which comprises a shaft frame arranged on the machine base, a shaft body rotationally installed on the shaft frame, a barrel fixed to the front end of the shaft body, a rotary knob lead screw rotationally installed in the barrel, a circular plate slidably installed in the barrel, three guide blocks fixed to the rear end of the circular plate and distributed in the circumferential direction, three mounting pins which are arranged in a sliding manner and are distributed circumferentially penetrate through the cylinder body; when high-strength bolts of different specifications are measured, the positioning assembly can be adaptively disassembled, assembled and replaced, and one positioning assembly can be adapted to the high-strength bolts of three different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt torque detection, in particular to a torque coefficient detector for measuring high-strength bolts. Background Art

[0002] High-strength bolts are mainly used in steel structure projects to connect the connection points of steel structure steel plates. In order to ensure that the high-strength bolts maintain sufficient connection strength between the corresponding connection parts, it is necessary to test the torque of the high-strength bolts to detect whether they meet the specified torque to ensure production safety;

[0003] After checking the publication number: CN219657066U, a bolt torque detection device is disclosed. This technology discloses "a bolt torque detection device, belonging to the field of bolt torque detection technology, including a cabinet, a test motor for detecting the rotation of the nut on the bolt is provided at one end of the top of the cabinet, and a button cap for detecting the torque of the nut is connected to one end of the test motor. A shielding and protective structure for protecting the detection nut and the button cap is provided at the center of the top front of the cabinet. The shielding and protective structure includes a protective cover plate, a card block, a card slot, a positioning block and an observation window. The bottom of the protective cover plate is fixedly installed with a card block, and the card block is connected to the corresponding card slot on the top of the cabinet. An observation window for observing the bolt torque test is provided above the front of the protective cover plate. The technical scheme has "by setting a shielding and protective structure, it is convenient to provide a certain protection for the bolt during the torque test, so as to prevent the test torque from being too large, causing the detection nut to break and splash out, thereby improving the safety of the operator" and other technical effects;

[0004] In the actual application of the detection equipment mentioned in the above scheme, although the detection nut can be rotated by the button cap, the button cap cannot adapt to nuts of different sizes due to the different sizes of the hexagonal heads of nuts of different specifications; and when nuts of different sizes fixed by the button cap are subjected to the same torque, the deformation or rotation angle may be different, which affects the measurement accuracy of the torque coefficient and leads to a decrease in the detection accuracy. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a torque coefficient tester for measuring high-strength bolts, which has the characteristics that the positioning component can be adapted, disassembled, assembled and replaced when measuring high-strength bolts of different specifications, and one positioning component can be adapted for use with three high-strength bolts of different specifications.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a torque coefficient tester for measuring high-strength bolts, including a machine base and high-strength bolts, the machine base is provided with a fixing mechanism and is used to fix high-strength bolts of different specifications, the fixing mechanism includes:

[0007] The mounting assembly includes a shaft frame arranged on the machine base, a shaft body rotatably mounted on the shaft frame, a cylinder body fixed at the front end of the shaft body, a knob screw rotatably mounted inside the cylinder body, a circular plate slidably mounted inside the cylinder body, and the circular plate and the knob screw are threadedly mounted, three guide blocks distributed circumferentially fixed at the rear end of the circular plate, and three mounting pins distributed circumferentially and slidably mounted on the cylinder body, and the inner ends of the mounting pins are slidably mounted on the guide blocks;

[0008] The positioning component comprises a positioning head sleeved and installed at the front end of the cylinder body, and three circumferentially distributed mounting holes formed on the positioning head.

[0009] Preferably, the positioning assembly further comprises a positioning hole provided at the center of the front end of the positioning head, and positioning grooves provided inside the front end of the positioning head and distributed in a stepped manner.

[0010] Preferably, the positioning assembly further comprises a second opening formed at an upper end of the positioning head, and the mounting assembly further comprises a first opening formed at an upper end of the cylinder.

[0011] Preferably, the fixing mechanism further comprises a cylinder mounted at the front end of the cylinder, and a pressure head mounted at the output end of the cylinder.

[0012] Preferably, a guide rail is fixed on the top of the base, a slide seat is slidably mounted on the guide rail, a reduction motor and a torque sensor are mounted on the top of the slide seat, and the torque sensor is connected to the output end of the reduction motor, and the other end of the torque sensor is connected to the shaft.

[0013] Preferably, a body is installed on the top of the base, and a three-jaw chuck is installed on the body.

[0014] Beneficial Effects

[0015] The utility model provides a torque coefficient detector for measuring high-strength bolts. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The positioning head is installed on the cylinder body, and the knob screw is rotated to drive the installation pin to extend outward through the circular plate and the guide block until the installation pin is inserted into the inside of the installation hole, thereby fixing the positioning head on the cylinder body; when measuring high-strength bolts of different specifications, the positioning assembly can be adapted, disassembled, assembled and replaced.

[0017] (2) By inserting the high-strength bolt through the positioning hole, the end of the high-strength bolt extends to the outside, and the hexagonal head of the high-strength bolt is embedded in the matching positioning groove, so that the positioning assembly can be adapted to three different specifications of high-strength bolts. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is a structural schematic diagram of the fixing mechanism in the utility model;

[0020] Figure 3 It is a schematic cross-sectional structure diagram of the fixing mechanism in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the positioning component in the utility model.

[0022] In the figure: 1. base; 2. fixing mechanism; 21. mounting assembly; 211. shaft frame; 212. shaft body; 213. cylinder body; 214. knob screw; 215. round plate; 216. guide block; 217. mounting pin; 218. first opening; 22. positioning assembly; 221. positioning head; 222. mounting hole; 223. positioning hole; 224. positioning groove; 225. second opening; 23. cylinder; 24. pressure head; 3. guide rail; 4. slide seat; 5. reduction motor; 6. torque sensor; 7. machine body; 8. three-jaw chuck; 9. high-strength bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution of a torque coefficient detector for measuring high-strength bolts: a torque coefficient detector for measuring high-strength bolts, comprising a base 1 and high-strength bolts 9, a fixing mechanism 2 is arranged on the base 1 and is used to fix high-strength bolts 9 of different specifications, and the fixing mechanism 2 comprises:

[0025] The mounting assembly 21 includes a shaft frame 211 disposed on the machine base 1, a shaft body 212 rotatably mounted on the shaft frame 211, a cylinder 213 fixed at the front end of the shaft body 212, a knob screw 214 rotatably mounted inside the cylinder 213, a circular plate 215 slidably mounted inside the cylinder 213, and the circular plate 215 is threadedly mounted with the knob screw 214, three circumferentially distributed guide blocks 216 fixed at the rear end of the circular plate 215, and three circumferentially distributed mounting pins 217 slidably mounted and penetrating the cylinder 213, and the inner end of the mounting pin 217 is slidably mounted with the guide block 216;

[0026] The positioning assembly 22 includes a positioning head 221 sleeved and installed at the front end of the cylinder 213 , and three circumferentially distributed mounting holes 222 are provided on the positioning head 221 .

[0027] In this embodiment, the positioning head 221 is installed on the cylinder 213, and the knob screw 214 is rotated to drive the installation pin 217 to extend outward through the circular plate 215 and the guide block 216 until the installation pin 217 is inserted into the interior of the installation hole 222, thereby fixing the positioning head 221 on the cylinder 213; when measuring high-strength bolts 9 of different specifications, the positioning assembly 22 can be adapted, disassembled, assembled and replaced.

[0028] Specifically, the positioning assembly 22 further includes a positioning hole 223 provided at the center of the front end of the positioning head 221 , and positioning grooves 224 provided inside the front end of the positioning head 221 and distributed in a stepped manner.

[0029] In this embodiment, by inserting the high-strength bolt 9 into the positioning hole 223, the end of the high-strength bolt 9 extends to the outside, and the hexagonal head of the high-strength bolt 9 is embedded in the matching positioning groove 224, so that the positioning assembly 22 can be adapted to three different specifications of high-strength bolts 9.

[0030] Specifically, the positioning assembly 22 further includes a second opening 225 formed at the upper end of the positioning head 221 , and the mounting assembly 21 further includes a first opening 218 formed at the upper end of the cylinder 213 .

[0031] In this embodiment, the high-strength bolt 9 can be easily taken out or put in from the positioning head 221 through the second opening 225 ; and the first opening 218 can be easily used to put a hand into the cylinder 213 and rotate and adjust the knob screw 214 .

[0032] Specifically, the fixing mechanism 2 further includes a cylinder 23 installed at the front end of the cylinder 213 and a pressure head 24 installed at the output end of the cylinder 23 .

[0033] In this embodiment, after the high-strength bolt 9 is inserted into the positioning hole 223 , the pressure head 24 can be driven by the output end of the cylinder 23 to push the high-strength bolt 9 , thereby fixing the high-strength bolt 9 on the positioning assembly 22 .

[0034] Specifically, a guide rail 3 is fixed on the top of the base 1, a slide 4 is slidably installed on the guide rail 3, a reduction motor 5 and a torque sensor 6 are installed on the top of the slide 4, and the torque sensor 6 is connected to the output end of the reduction motor 5, and the other end of the torque sensor 6 is connected to the shaft 212, a body 7 is installed on the top of the base 1, and a three-jaw chuck 8 is installed on the body 7.

[0035] In this embodiment, after the high-strength bolt 9 is fixed by the fixing mechanism 2, the end of the high-strength bolt 9 is moved to the three-jaw chuck 8 by moving the slide 4, and the end of the high-strength bolt 9 is clamped and fixed by the three-jaw chuck 8, and then the torque of the high-strength bolt 9 fixed on the fixing mechanism 2 is measured by driving the reduction motor 5 and cooperating with the torque sensor 6.

[0036] The working principle and use process of the utility model are as follows: first, the positioning head 221 is sleeved and installed on the cylinder 213, and the knob screw 214 is rotated to drive the installation pin 217 to extend outward through the circular plate 215 and the guide block 216, until the installation pin 217 is inserted into the interior of the installation hole 222, thereby fixing the positioning head 221 on the cylinder 213;

[0037] Then, the high-strength bolt 9 is inserted through the positioning hole 223, the end of the high-strength bolt 9 extends to the outside, and the hexagonal head of the high-strength bolt 9 is embedded in the matching positioning groove 224; the pressure head 24 is driven by the output end of the cylinder 23 to push the high-strength bolt 9, so that the high-strength bolt 9 is fixed on the positioning assembly 22;

[0038] Finally, the end of the high-strength bolt 9 is moved to the three-jaw chuck 8 by moving the slide 4, and the end of the high-strength bolt 9 is clamped and fixed by the three-jaw chuck 8, and then the torque of the high-strength bolt 9 fixed on the fixing mechanism 2 is measured by driving the reduction motor 5 and cooperating with the torque sensor 6.

[0039] The model of the reduction motor is: RNYM1-1530, and the model of the torque sensor is: RNYM1-1530. Both adopt existing mature technology products and will not be elaborated in detail here. The electrical components appearing in this article are all connected to the external main controller and 220V AC power.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. 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 terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A torque coefficient tester for measuring high-strength bolts, comprising a base (1) and a high-strength bolt (9), characterized in that: The base (1) is provided with a fixing mechanism (2) for fixing high-strength bolts (9) of different specifications, and the fixing mechanism (2) comprises: The mounting assembly (21) comprises a shaft frame (211) arranged on the machine base (1), a shaft body (212) rotatably mounted on the shaft frame (211), a cylinder (213) fixed at the front end of the shaft body (212), a knob screw (214) rotatably mounted inside the cylinder (213), a circular plate (215) slidably mounted inside the cylinder (213), wherein the circular plate (215) and the knob screw (214) are threadedly mounted, three circumferentially distributed guide blocks (216) fixed at the rear end of the circular plate (215), and three circumferentially distributed mounting pins (217) slidably mounted and penetrating the cylinder (213), wherein the inner ends of the mounting pins (217) are slidably mounted on the guide blocks (216); The positioning assembly (22) comprises a positioning head (221) sleeved and installed at the front end of the cylinder (213), and three circumferentially distributed mounting holes (222) are provided on the positioning head (221).

2. The torque coefficient tester for measuring high-strength bolts according to claim 1, characterized in that: The positioning assembly (22) further comprises a positioning hole (223) provided at the center of the front end of the positioning head (221), and positioning grooves (224) provided inside the front end of the positioning head (221) and distributed in a stepped manner.

3. The torque coefficient tester for measuring high-strength bolts according to claim 1, characterized in that: The positioning assembly (22) further comprises a second opening (225) formed at the upper end of the positioning head (221), and the mounting assembly (21) further comprises a first opening (218) formed at the upper end of the cylinder (213).

4. The torque coefficient tester for measuring high-strength bolts according to claim 1, characterized in that: The fixing mechanism (2) further comprises a cylinder (23) mounted on the front end of the cylinder (213), and a pressure head (24) mounted on the output end of the cylinder (23).

5. The torque coefficient tester for measuring high-strength bolts according to claim 1, characterized in that: A guide rail (3) is fixed on the top of the machine base (1), a slide seat (4) is slidably mounted on the guide rail (3), a reduction motor (5) and a torque sensor (6) are mounted on the top of the slide seat (4), the torque sensor (6) is connected to the output end of the reduction motor (5), and the other end of the torque sensor (6) is connected to the shaft (212).

6. The torque coefficient tester for measuring high-strength bolts according to claim 1, characterized in that: A body (7) is installed on the top of the machine base (1), and a three-jaw chuck (8) is installed on the body (7).

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