Device for testing pretightening force of brake pipe joint

By using the brake pipe joint preload test device, a through-hole motor and a standard force sensor, the testing problems of irregularities and length inconsistencies in the oil pipe joints were solved, and accurate preload measurement was achieved.

CN223449387UActive Publication Date: 2025-10-17SHANGHAI TIANCHENG IND CO LTD
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Patent Information

Application Number
CN202423013152.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-10-17
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Traditional preload test equipment is difficult to adapt to the irregularity and length variation of oil pipe joints, especially in new energy vehicles, making it difficult to achieve effective brake pipe joint preload testing.

Method used

A brake pipe joint preload force testing device is constructed using a through-hole motor, a motor mounting assembly, a sensor, a brake drive head, and a guide rail assembly. The through-hole motor drives the brake drive head to rotate, and the preload force is measured in combination with a standard force sensor.

Benefits of technology

It achieves accurate testing of oil pipe joints of different rules and shapes, avoids unnecessary factors caused by additional power output, and is easy to operate and produces accurate data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a pre-tightening force testing device for a brake pipe joint. The pre-tightening force testing device comprises a base, a through hole motor, a standard force sensor, a brake driving head, a pipe joint, a pre-tightening force testing tool and a guide rail assembly, the base is arranged on the guide rail assembly in a sliding mode, the through hole motor is installed on the base, the brake driving head is fixed to an output shaft of the through hole motor, the through hole motor is used for driving the brake driving head to rotate, the through hole standard force sensor is installed on the brake driving head, and one end of the pipe connector is detachably fixed to the brake driving head. The through hole motor outputs rotation torque to enable the brake driving head to tighten the pipe joint, the through hole motor drives the brake driving head to rotate to enable the threaded part of the pipe joint to be screwed into the pre-tightening force testing tool, and the pre-tightening force testing tool can measure the brake pre-tightening force of the pipe joint by reaching a value set by the standard force sensor. Therefore, the data result of the brake pretightening force test is obtained.
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Description

TECHNICAL FIELD

[0001] The utility model relates to brake pipe joint pre -tension test application technical field especially brake pipe joint pre -tension test device. BACKGROUND

[0002] In new energy automobile oil pipe joint pre -tension test, because of the irregularity and length of oil pipe joint are not always, traditional pre -tension test equipment is difficult to realize, and because pipe joint needs to pass from the inside of power system clamping, also needs reaction test calculation and a series of factors, for this, need new brake pipe joint pre -tension test device to realize the brake pre -tension test of pipe joint, and brake pipe joint pre -tension test device can effectively solve this technical application demand. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies in the prior art, the utility model aims at providing brake pipe joint pre -tension test device, which is composed of a brake pipe joint pre -tension test device through the through -hole motor, motor installation component, sensor, brake driving head, pre -tension sensor, guide rail assembly, effectively solve the brake pipe joint pre -tension test device this technical application demand.

[0004] The utility model discloses the above-mentioned utility model object is realized through the following technical schemes:

[0005] Brake pipe joint pre -tension test device, including base, through -hole motor, standard force sensor, brake driving head, pipe joint, pre -tension test tool and guide rail assembly;

[0006] The base is slidably arranged on the guide rail assembly, the through -hole motor is installed on the base, the brake driving head is fixed on the output shaft of the through -hole motor, the through -hole motor is used to drive the brake driving head to rotate, the through -hole standard force sensor is installed on the brake driving head, one end of the pipe joint is detachably fixed on the brake driving head;

[0007] The through -hole motor outputs the rotating torque, so that the brake driving head tightens the pipe joint, the through -hole motor drives the brake driving head to rotate, so that the threaded portion of the pipe joint is screwed into the pre -tension test tool, reaches the numerical value set by the standard force sensor, and the brake pre -tension of the pipe joint can be measured by the pre -tension test tool, so that the data result of brake pre -tension test is obtained.

[0008] As a further technical scheme of the utility model: the pre-tightening force test tool includes a support and a pre-tightening force sensor detachably fixed on the support, a panel is fixed on one side of the pre-tightening force sensor, a hard pad plate is detachably fixed on the panel, a plurality of test holes for the pipe joint to pass through are formed in the hard pad plate, and the pipe joint is in contact with the pre-tightening force sensor after passing through the test hole and the panel.

[0009] As a further technical scheme of the utility model: a horizontal installation groove is formed in the side of the panel away from the pre-tightening force sensor, the hard pad plate is embedded in the horizontal installation groove, and the horizontal installation groove is horizontally arranged.

[0010] As a further technical scheme of the utility model: the guide rail assembly includes two mutually parallel linear guide rails, and a sliding block is detachably fixedly connected to the bottom of the base at both ends, respectively, a limiting sliding groove matched with the shape of the linear guide rail is formed in the bottom of the sliding block, and the sliding block is slidably connected to the linear guide rail.

[0011] As a further technical scheme of the utility model: the base includes a bottom plate, a vertical plate and a base fixed on the bottom plate, the through-hole motor is installed on one side of the vertical plate, and the standard force sensor is installed on the base and located on the side of the vertical plate away from the through-hole motor.

[0012] In summary, the utility model has at least one of the following beneficial technical effects:

[0013] 1. The utility model discloses a brake pipe joint pre-tightening force testing device, which adopts a through-hole motor and a standard force sensor, effectively solves the inconvenience of test caused by the excessive length of the oil pipe joint and the irregular head, effectively and accurately tests the brake pre-tightening force, avoids unnecessary factors caused by other additional power output, effectively solves the technical application requirement of the brake pipe joint pre-tightening force testing device.

[0014] 2. The utility model adopts a through-hole motor and a standard force sensor with a through hole to drive, does not need to cut according to the length and irregular shape of the pipe joint, and has simple and intuitive operation and accurate data.

[0015] 3. The utility model adopts the brake pipe joint pre-tightening force testing device, and the brake pre-tightening force of different regular shapes and pipe joints can be tested. DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Mark No. : 1, base; 11, sliding block; 12, bottom plate; 13, vertical plate; 14, base; 2, through hole motor; 3, standard force sensor; 4, brake driving head; 5, pipe joint; 6, pre-tightening force test tool; 61, support; 62, pre-tightening force sensor; 63, panel; 631, transverse mounting groove; 64, hard pad plate; 641, test hole; 7, guide rail assembly; 71, linear guide rail. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the present application are within the scope of protection of the present application.

[0019] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0021] REFERENCE Figure 1 The pre-tightening force test device for the brake pipe joint 5 of the utility model discloses a base 1, a through hole motor 2, a standard force sensor 3, a brake driving head 4, a pipe joint 5, a pre-tightening force test tool 6 and a guide rail assembly 7; the base 1 is slidably arranged on the guide rail assembly 7, the through hole motor 2 is installed on the base 1, the brake driving head 4 is fixed on the output shaft of the through hole motor 2, the through hole motor 2 is used for driving the brake driving head 4 to rotate, the through hole standard force sensor 3 is installed on the brake driving head 4, and one end of the pipe joint 5 is detachably fixed on the brake driving head 4.

[0022] The rotation torque is output by the through-hole motor 2, so that the brake driving head 4 is screwed to the pipe joint 5, the through-hole motor 2 drives the brake driving head 4 to rotate, so that the threaded portion of the pipe joint 5 is screwed into the pre-tightening force test tool 6, and the pre-tightening force test tool 6 can measure the brake pre-tightening force of the pipe joint 5 by reaching the value set by the standard force sensor 3, so that the data result of the brake pre-tightening force test is obtained.

[0023] The pre-tightening force test tool 6 comprises a support 61 and a pre-tightening force sensor 62 detachably fixed on the support 61, one side of the pre-tightening force sensor 62 is fixed with a panel 63, the panel 63 is detachably fixed with a hard pad plate 64, a plurality of test holes 641 for the pipe joint 5 to pass through are formed in the hard pad plate 64, and the pipe joint 5 is in contact with the pre-tightening force sensor 62 after passing through the test holes 641 and the panel 63. A horizontal installation groove 631 is formed in the side of the panel 63 away from the pre-tightening force sensor 62, and the hard pad plate 64 is embedded in the horizontal installation groove 631, and the horizontal installation groove 631 is horizontally arranged.

[0024] The guide rail assembly 7 comprises two parallel linear guide rails 71, and the bottom of the base 1 is detachably fixedly connected with the sliding blocks 11 at both ends, respectively. The bottom of the sliding block 11 is provided with a limiting sliding groove matched with the shape of the linear guide rail 71, and the sliding block 11 is slidingly connected to the linear guide rail 71. The base 1 comprises a bottom plate 12, a vertical plate 13 and a base 14 fixed on the bottom plate 12, the through-hole motor 2 is installed on one side of the vertical plate 13, and the standard force sensor 3 is installed on the base 14 and located on the side of the vertical plate 13 away from the through-hole motor 2.

[0025] The utility model discloses an embodiment of the utility model discloses a brake pipe joint pre-tightening force testing device, which adopts a through-hole motor 2 and a standard force sensor 3, effectively solves the problem of inconvenient testing caused by the excessive length of the oil pipe joint 5 and the irregular head, and accurately tests the brake pre-tightening force. At the same time, unnecessary factors caused by additional power output are avoided, and the technical application requirement of the brake pipe joint 5 pre-tightening force testing device is effectively solved.

[0026] The embodiments of the specific embodiment are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. Brake pipe joint preload test device, characterized in that: It comprises a base (1), a through-hole motor (2), a standard force sensor (3), a brake drive head (4), a pipe joint (5), a preload force test fixture (6) and a guide rail assembly (7); The base (1) is slidably arranged on the guide rail assembly (7), the through-hole motor (2) is mounted on the base (1), the brake drive head (4) is fixed on the output shaft of the through-hole motor (2), the through-hole motor (2) is used to drive the brake drive head (4) to rotate, the through-hole standard force sensor (3) is mounted on the brake drive head (4), and one end of the pipe joint (5) is detachably fixed to the brake drive head (4); The through-hole motor (2) outputs a rotational torque, causing the brake drive head (4) to tighten the pipe joint (5). The through-hole motor (2) drives the brake drive head (4) to rotate, causing the threaded portion of the pipe joint (5) to be screwed into the preload test fixture (6). By reaching the value set by the standard force sensor (3), the preload test fixture (6) can measure the brake preload of the pipe joint (5), thereby obtaining the data result of the brake preload test.

2. The brake pipe joint preload force testing device according to claim 1, characterized in that: The preload force test fixture (6) comprises a bracket (61) and a preload force sensor (62) detachably fixed to the bracket (61); a panel (63) is fixed to one side of the preload force sensor (62); a hard pad (64) is detachably fixed to the panel (63); a plurality of test holes (641) for the pipe joint (5) to pass through are formed on the hard pad (64); the pipe joint (5) passes through the test holes (641) and the panel (63) and contacts the preload force sensor (62).

3. The brake pipe joint preload force testing device according to claim 2, characterized in that: A transverse mounting groove (631) is provided on a side of the panel (63) away from the preload force sensor (62), the hard pad (64) is embedded in the transverse mounting groove (631), and the transverse mounting groove (631) is arranged horizontally.

4. The brake pipe joint preload force testing device according to claim 1, characterized in that: The guide rail assembly (7) comprises two mutually parallel linear guide rails (71), and the two ends of the bottom of the base (1) are respectively detachably fixedly connected with sliders (11), and the bottom of the slider (11) is provided with a limiting sliding groove matching the shape of the linear guide rail (71), and the slider (11) is slidably connected to the linear guide rail (71).

5. The brake pipe joint preload force testing device according to claim 1, characterized in that: The base (1) comprises a bottom plate (12) and a vertical plate (13) and a base (14) fixed on the bottom plate (12); the through-hole motor (2) is mounted on one side of the vertical plate (13); and the standard force sensor (3) is mounted on the base (14) and is located on a side of the vertical plate (13) away from the through-hole motor (2).