Pipe joint tail end torque testing device

Abstract

The utility model relates to a pipe joint tail end torque testing device, which comprises a pipe joint, a pipe joint tail end clamping tool, a sensor front end mounting plate, a torque sensor, a sensor rear end mounting plate, a movable sliding plate group and a guide rail assembly, the movable sliding plate set is arranged on the guide rail assembly in a sliding mode, the sensor front end installation plate and the sensor rear end installation plate are fixed to the movable sliding plate set, the torque sensor is installed between the sensor front end installation plate and the sensor rear end installation plate, and the pipe joint tail end clamping tool is installed on the side, away from the torque sensor, of the sensor front end installation plate. The tail end of the pipe joint is detachably fixed on the pipe joint tail end clamping tool; the tail end of the pipe joint is installed on the pipe joint tail end clamping tool to be clamped, torque is applied to the tail end of the pipe joint, meanwhile, the torque of the tail end of the pipe joint is measured through the torque sensor, and full-range synchronous torque testing can be achieved at any calibration point in different measuring ranges.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe joint end torque test applications, in particular to a pipe joint end torque test device. Background Art

[0002] In the end torque test of the oil pipe joint of new energy vehicles, the end torque test of the oil pipe joint is often a difficult problem. Because the oil pipe joint has an irregular shape and the end torque value of the pipe joint is very small, it is difficult to test the end torque on the traditional pipe joint end torque test equipment. Therefore, a special end torque test device for the oil pipe joint is urgently needed. The pipe joint end torque test device can effectively solve this technical application demand. Utility Model Content

[0003] In response to the shortcomings of the existing technology, the purpose of the present invention is to provide a pipe joint end torque testing device, which is composed of a pipe joint, a pipe joint end clamping tool, a sensor front end mounting plate, a torque sensor, a sensor rear end mounting plate, a movable slide group, and a guide rail assembly, thereby effectively solving the technical application needs of pipe joint end torque testing.

[0004] The above-mentioned utility model object of the present invention is achieved through the following technical solutions:

[0005] A pipe joint end torque testing device, comprising a pipe joint, a pipe joint end clamping fixture, a sensor front end mounting plate, a torque sensor, a sensor rear end mounting plate, a movable slide assembly, and a guide rail assembly;

[0006] The movable slide assembly is slidably arranged on the guide rail assembly, the sensor front-end mounting plate and the sensor rear-end mounting plate are fixed on the movable slide assembly, the torque sensor is installed between the sensor front-end mounting plate and the sensor rear-end mounting plate, the pipe joint end clamping fixture is installed on the side of the sensor front-end mounting plate away from the torque sensor, and the end of the pipe joint is detachably fixed to the pipe joint end clamping fixture;

[0007] The end of the pipe joint is mounted on the clamping fixture at the end of the pipe joint and clamped, and torque is applied to the end of the pipe joint. At the same time, the torque of the end of the pipe joint is measured by the torque sensor. The full-range synchronous torque test can be achieved at any calibration point within different measuring ranges.

[0008] As a further technical solution of the present invention: the clamping tooling at the end of the pipe joint includes a three-jaw chuck and a three-jaw mounting plate, the sensor front end mounting plate is detachably fixed to the movable slide group, the three-jaw chuck is arranged on the sensor front end mounting plate through the three-jaw mounting plate, a needle roller retainer bearing is arranged on the outside of the three-jaw mounting plate, and the three-jaw chuck is rotatably set on the sensor front end mounting plate through the needle roller retainer bearing.

[0009] As a further technical solution of the present invention: three claws are provided on one side of the three-jaw chuck, and the three claws are evenly distributed on the three-jaw chuck, and one end of the pipe joint is detachably fixed between the three claws.

[0010] As a further technical solution of the present invention: an anti-slip tooth surface is provided on the clamping claw.

[0011] As a further technical solution of the present invention: the pipe joint includes a sleeve and a test rod threadedly connected to the sleeve, and the sleeve is detachably fixed between the three claws.

[0012] As a further technical solution of the present invention: the movable slide assembly includes a slide and sliders fixed on both sides of the bottom surface of the slide, and the sensor front end mounting plate and the sensor rear end mounting plate are detachably fixed to the slide;

[0013] The guide rail assembly includes two linear guide rails parallel to each other. A limiting sliding groove matching the shape of the linear guide rails is provided at the bottom of the slider, and the slider is slidably connected to the linear guide rails.

[0014] In summary, the present invention has at least one of the following beneficial technical effects:

[0015] 1. The utility model discloses a torque test device for the end of a pipe joint, which adopts a torque sensor connected to a clamping tool directly at the end of the pipe joint, and generates torque by tightening the bolts of the pipe joint to pre-tighten the axial force, thereby solving the problem that the traditional end cannot measure the torque of the pipe joint, effectively avoiding the problem of inaccurate torque measurement due to the inability of the end to measure the torque, and effectively solving the technical application demand of the torque test of the pipe joint end.

[0016] 2. The utility model adopts a clamping fixture at the end of the pipe joint to fix the end of the pipe joint, and adopts a torque sensor to directly measure the torque calibration, which is simple and intuitive to operate and the data is accurate.

[0017] 3. The utility model adopts a pipe joint end torque test device, which can be installed and used through the pipe joint end clamping tooling even if the pipe joint end is irregular. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 for Figure 1 A partial enlarged schematic diagram of part A.

[0020] Figure markings: 1. pipe joint; 11. sleeve; 12. test rod; 2. clamping fixture at the end of the pipe joint; 21. three-jaw chuck; 211. clamping claw; 212. anti-slip tooth surface; 22. three-jaw mounting plate; 3. sensor front end mounting plate; 4. torque sensor; 5. sensor rear end mounting plate; 6. movable slide group; 61. slide plate; 62. slider; 7. guide rail assembly; 71. linear guide rail. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0022] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances. Example

[0024] Reference Figure 1, which is a pipe joint end torque testing device disclosed in the utility model, includes a pipe joint 1, a pipe joint end clamping tool 2, a sensor front end mounting plate 3, a torque sensor 4, a sensor rear end mounting plate 5, a movable slide group 6 and a guide rail assembly 7; the movable slide group 6 is slidably set on the guide rail assembly 7, the sensor front end mounting plate 3 and the sensor rear end mounting plate 5 are fixed on the movable slide group 6, the torque sensor 4 is installed between the sensor front end mounting plate 3 and the sensor rear end mounting plate 5, the pipe joint end clamping tool 2 is installed on the side of the sensor front end mounting plate 3 away from the torque sensor 4, and the end of the pipe joint 1 can be detachably fixed to the pipe joint end clamping tool 2.

[0025] The clamping fixture 2 at the end of the pipe joint includes a three-jaw chuck 21 and a three-jaw mounting plate 22. The sensor front end mounting plate 3 is detachably fixed on the movable slide group 6. The three-jaw chuck 21 is set on the sensor front end mounting plate 3 through the three-jaw mounting plate 22. A needle roller cage bearing is set on the outer side of the three-jaw mounting plate 22. The three-jaw chuck 21 is rotatably set on the sensor front end mounting plate 3 through the needle roller cage bearing.

[0026] Three jaws 211 are evenly distributed on one side of the three-jaw chuck 21. One end of the pipe connector 1 is removably secured between the three jaws 211. The jaws 211 are each provided with a non-slip toothed surface 212. The pipe connector 1 includes a sleeve 11 and a test rod 12 threadedly connected to the sleeve 11. The sleeve 11 is removably secured between the three jaws 211.

[0027] The movable slide group 6 includes a slide 61 and sliders 62 fixed on both sides of the bottom surface of the slide 61. The sensor front end mounting plate 3 and the sensor rear end mounting plate 5 are detachably fixed on the slide 61; the guide rail assembly 7 includes two mutually parallel linear guide rails 71. The bottom of the slider 62 is provided with a limiting slide groove matching the shape of the linear guide rail 71, and the slider 62 is slidably connected to the linear guide rail 71.

[0028] The end of the pipe joint 1 is mounted on the clamping fixture 2 at the end of the pipe joint and clamped, and torque is applied to the end of the pipe joint 1. At the same time, the torque of the end of the pipe joint 1 is measured by the torque sensor 4. The full-range synchronous torque test can be achieved at any calibration point within different measuring ranges.

[0029] The implementation principle of the present utility model is as follows: the present utility model discloses a torque testing device for the end of a pipe joint, which adopts a method of directly connecting a clamping tool 2 to a torque sensor 4 at the end of the pipe joint, and generating torque by tightening the bolts of the pipe joint 1 to pre-tighten the axial force, thereby solving the problem that the traditional end cannot measure the torque of the pipe joint 1, effectively avoiding the problem of inaccurate torque measurement due to the inability of the end to measure the torque, and effectively solving the technical application demand of the torque test at the end of the pipe joint 1.

[0030] The embodiments of this specific implementation method are all preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. Pipe joint end torque testing device, characterized in that: It comprises a pipe joint (1), a clamping fixture at the end of the pipe joint (2), a sensor front end mounting plate (3), a torque sensor (4), a sensor rear end mounting plate (5), a movable slide assembly (6) and a guide rail assembly (7); The movable slide assembly (6) is slidably arranged on the guide rail assembly (7), the sensor front-end mounting plate (3) and the sensor rear-end mounting plate (5) are fixed on the movable slide assembly (6), the torque sensor (4) is mounted between the sensor front-end mounting plate (3) and the sensor rear-end mounting plate (5), the pipe joint end clamping fixture (2) is mounted on a side of the sensor front-end mounting plate (3) away from the torque sensor (4), and the end of the pipe joint (1) is detachably fixed on the pipe joint end clamping fixture (2); The end of the pipe joint (1) is mounted on the clamping fixture (2) at the end of the pipe joint and clamped, and torque is applied to the end of the pipe joint (1). At the same time, the torque of the end of the pipe joint (1) is measured by the torque sensor (4). The full-scale synchronous torque test can be achieved at any calibration point within different measuring ranges.

2. The pipe joint end torque testing device according to claim 1, characterized in that: The pipe joint end clamping fixture (2) includes a three-jaw chuck (21) and a three-jaw mounting plate (22); the sensor front end mounting plate (3) is detachably fixed to the movable slide plate group (6); the three-jaw chuck (21) is arranged on the sensor front end mounting plate (3) through the three-jaw mounting plate (22); a needle roller retainer bearing is arranged on the outer side of the three-jaw mounting plate (22); the three-jaw chuck (21) is rotatably arranged on the sensor front end mounting plate (3) through the needle roller retainer bearing.

3. The pipe joint end torque testing device according to claim 2, characterized in that: Three claws (211) are provided on one side of the three-jaw chuck (21), and the three claws (211) are evenly distributed on the three-jaw chuck (21), and one end of the pipe joint (1) is detachably fixed between the three claws (211).

4. The pipe joint end torque testing device according to claim 3, characterized in that: The claw (211) is provided with an anti-slip tooth surface (212).

5. The pipe joint end torque testing device according to claim 3, characterized in that: The pipe joint (1) comprises a sleeve (11) and a test rod (12) threadedly connected to the sleeve (11); the sleeve (11) is detachably fixed between the three claws (211).

6. The pipe joint end torque testing device according to claim 1, characterized in that: The movable slide plate group (6) comprises a slide plate (61) and sliders (62) fixed on both sides of the bottom surface of the slide plate (61); the sensor front end mounting plate (3) and the sensor rear end mounting plate (5) are detachably fixed on the slide plate (61); The guide rail assembly (7) comprises two mutually parallel linear guide rails (71); a limiting sliding groove matching the shape of the linear guide rails (71) is provided at the bottom of the slider (62); and the slider (62) is slidably connected to the linear guide rails (71).

Images