CN219434494U

CN219434494U - Auxiliary device of torsion testing machine

Info

Publication number: CN219434494U
Application number: CN202223255376.6U
Authority: CN
Inventors: 袁飞飞; 江雅莉; 孙权武; 刘红; 李菲菲; 张安邦; 胡婷婷
Original assignee: Shanxi North Machine Building Co Ltd
Current assignee: Shanxi North Machine Building Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-07-28
Anticipated expiration: 2032-12-06

Abstract

The utility model belongs to the field of torsion detection auxiliary tools, and provides an auxiliary device of a torsion testing machine, which comprises a fixed plate, wherein the fixed plate is positioned on a fixed chuck of the torsion testing machine, and a first fixed structure is arranged on a certain symmetrical axis of the fixed plate; the torsion plate is positioned on the rotating chuck of the torsion testing machine, and a second fixing structure is arranged on a certain symmetrical axis of the torsion plate; the technical scheme of the utility model is applied to the testing of the torsion of the spring, wherein the fixed plate and the torsion plate are respectively connected to a fixed chuck and a rotating chuck of a torsion testing machine, then a mandrel with a stable section matched with the inner diameter of the spring is selected and connected to the torsion plate, then the spring is sleeved on the mandrel, the spring is fixed by a first fixed structure and a second fixed structure, and finally the torsion testing machine is started to realize the torsion testing of the spring.

Description

Auxiliary device of torsion testing machine

Technical Field

The utility model belongs to the field of torsion detection auxiliary tools, and particularly relates to an auxiliary device of a torsion testing machine.

Background

The spring torsion detection is an extremely important detection procedure in spring production, the original spring torsion detection is carried out by using a mechanical spring torsion testing machine, a torsion disc is used for twisting a spring to be detected, then the dial plate elastic force reading is recorded, but due to the fact that mechanical friction exists between the torsion spring and the torsion disc during torsion, measurement errors are large, and detection efficiency is low. In order to improve detection efficiency and measurement accuracy, a torsion testing machine can be used for spring torsion detection, but due to the fact that a proper force measuring auxiliary tool is lacked on the torsion testing machine, the spring cannot be stably connected to the torsion testing machine for spring torsion detection, so that how to stably connect a spring to be detected with the torsion testing machine is a technical problem to be solved urgently in the field.

Disclosure of Invention

The utility model provides an auxiliary device of a torsion testing machine, which aims to solve the problem that the existing torsion testing machine lacks a proper force measuring auxiliary tool and a spring cannot be stably connected to the torsion testing machine to detect the torsion of the spring.

The utility model is realized in that a torsion testing machine auxiliary device comprises: the fixing plate is positioned on a fixing chuck of the torsion testing machine, and a first fixing structure is arranged on a certain symmetrical axis of the fixing plate and used for fixing a spring close to one end of the fixing plate; the torsion plate is positioned on the rotating chuck of the torsion testing machine, and a second fixing structure is arranged on a certain symmetrical axis of the torsion plate and used for fixing a spring close to one end of the torsion plate; and the mandrel is positioned between the fixed plate and the torsion plate and is used for stabilizing the spring between the fixed plate and the torsion plate.

Optionally, the fixed plate further includes a first fixing hole, the fixed plate is rectangular in shape, and a plurality of first fixing holes are formed in the periphery of the fixed plate and are used for being connected with a fixing chuck of the torsion testing machine.

Optionally, turn round the board and still include second fixed orifices and dabber connecting hole, turn round the board appearance and be the rectangle, turn round the board periphery and be equipped with the second fixed orifices for be connected with torque testing machine rotation chuck, turn round board central point put and be equipped with the dabber connecting hole.

Optionally, the first fixing structure and the second fixing structure are in interference fit with the spring.

Optionally, the dabber includes linkage segment and stable section, dabber one end be equipped with dabber connecting hole matched with the linkage segment, the dabber other end is equipped with stable section.

Optionally, the outer surface of the stabilizing section is provided with a coating.

The beneficial technical effects of implementing the utility model are as follows: when the technical scheme of the utility model is applied, when the torsion of the spring is required to be tested, the fixed plate and the torsion plate are firstly connected to the fixed chuck and the rotating chuck of the torsion testing machine respectively, then the mandrel with the stable section matched with the inner diameter of the spring is selected and connected to the torsion plate, then the spring is sleeved on the mandrel, the spring is fixed by utilizing the first fixing structure and the second fixing structure, and finally the torsion testing machine is started to realize the torsion test of the spring.

Drawings

FIG. 1 is a schematic installation view of the present utility model;

FIG. 2 is a schematic view of a mounting plate of the present utility model;

FIG. 3 is a schematic view of a torsion plate of the present utility model;

fig. 4 is a schematic illustration of a mandrel of the present utility model.

In the figure: 1. a fixing plate; 101. a first fixing hole; 2. twisting the plate; 201. a second fixing hole; 3. a mandrel; 301. a connection section; 302. a stabilizing section.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 4, a torsion testing machine auxiliary device includes: the fixed plate 1 is positioned on a fixed chuck of the torsion testing machine, and a first fixed structure is arranged on a certain symmetrical axis of the fixed plate 1 and used for fixing a spring 4 close to one end of the fixed plate 1; the torsion plate 2 is positioned on a rotating chuck of the torsion testing machine, and a second fixing structure is arranged on a certain symmetrical axis of the torsion plate 2 and used for fixing a spring 4 close to one end of the torsion plate 2; a mandrel 3, which is located between the fixing plate 1 and the torsion plate 2, for stabilizing a spring 4 between the fixing plate 1 and the torsion plate 2.

By applying the technical scheme of the embodiment, the fixing plate 1 and the torsion plate 2 are firstly respectively arranged on a fixing chuck and a rotating chuck of the torsion testing machine, then the mandrel 3 is arranged on the torsion plate 2, then the spring 4 is sleeved on the periphery of the mandrel 3, then the spring 4 close to one end of the torsion plate 2 is fixed by using the second fixing structure, then the torsion testing machine is operated to enable the torsion plate 2 to move towards the direction of the fixing plate 1 until the spring 4 close to one end of the fixing plate 1 can be fixed by using the first fixing structure on the fixing plate 1, and then the torsion testing machine is started to detect.

The first fixing structure and the second fixing structure in the device may be structures such as a connecting groove and a connecting hole, and preferably the first fixing structure and the second fixing structure of the present utility model are the first connecting hole 102 and the second connecting hole 203 respectively.

It should be noted that the torque testing machine, the torque testing machine fixing chuck and the torque testing machine rotating chuck are all common general knowledge of those skilled in the art, and therefore will not be described herein.

The advantage of this embodiment is, utilizes fixed plate 1 and torsion plate 2 to be connected with torsion testing machine, realizes the connection of spring 4 and torsion testing machine, has solved the unable direct connection spring of current torsion testing machine and has detected its torsion technical problem, and the device simple structure, spring 4 is quick and stable with its connection.

As shown in fig. 2, the fixing plate 1 further includes a first fixing hole 101, the fixing plate 1 is rectangular in shape, and a plurality of first fixing holes 101 are provided at the periphery of the fixing plate 1 for connection with a fixing chuck of the torsion testing machine. The first fixing hole 101 is used for being connected with a fixing chuck of the torsion testing machine with the aid of a connecting device such as a screw, a bolt and the like.

The advantage of this embodiment is, utilize first fixed orifices 101 to be connected with torsion testing machine fixed chuck, stability is high, convenient to detach is favorable to later maintenance and maintenance.

As shown in fig. 3, the torsion plate 2 further includes a second fixing hole 201 and a mandrel connecting hole 202, the torsion plate 2 is rectangular in shape, the periphery of the torsion plate 2 is provided with the second fixing hole 201 for being connected with a rotation chuck of the torsion testing machine, and the central position of the torsion plate 2 is provided with the mandrel connecting hole 202. The second fixing hole 201 is used for being connected with a rotation chuck of the torsion testing machine with the help of a connecting device such as a screw, a bolt and the like; the spindle connection hole 202 is used to connect the spindle 3.

The torque testing machine rotating chuck has the advantages that the second fixing hole 201 is connected with the torque testing machine rotating chuck, so that the torque testing machine rotating chuck is high in stability and convenient to detach, and is beneficial to later maintenance; the mandrel connecting hole 202 is used for facilitating quick connection and disassembly of the mandrel 3 and improving the detection efficiency of the device.

The outer shape of the fixing plate 1 and the torsion plate 2 is not limited to rectangular, and may be other shapes such as circular, elliptical, square, and the like. In the above example, the rectangle is used for saving materials, facilitating processing, facilitating positioning of shaft holes and the like and improving processing efficiency.

As shown in fig. 2 and 3, the first and second fixing structures are in interference fit with the spring 4.

The advantage of this embodiment is, interference fit connection stability is high, dismantles the detection and the maintenance that the convenience was favorable to later stage to use.

As shown in fig. 4, the mandrel 3 includes a connecting section 301 and a stabilizing section 302, one end of the mandrel 3 is provided with the connecting section 301 that mates with the mandrel connecting hole 202, and the other end of the mandrel 3 is provided with the stabilizing section 302. The connecting section 301 is used for connecting with the torsion plate 2; the stabilizing section 302 is used for stabilizing the spring 4 between the fixing plate 1 and the torsion plate 2, and preventing the spring from bending, so as to influence the torsion test result.

The advantage of this embodiment is, this device simple structure gives spring 4 a holding power in the follow spring 4, prevents that spring 4 from buckling when detecting, has improved the accuracy of torsion test.

As shown in fig. 4, the outer surface of the stabilizing section 302 is provided with a coating. The coating is used for reducing the friction force between the spring 4 and the surface of the mandrel 3 and preventing the circumferential rotation of the spring 4 from being blocked during detection, thereby influencing the detection result.

The embodiment has the advantages of being beneficial to reducing the friction force between the spring 4 and the surface of the mandrel 3, improving the stability of the spring 4 during detection and improving the accuracy of a detection result.

On the basis of the embodiment, a plurality of mandrels 3 are arranged, and the outer diameters of the mandrel stabilizing sections 302 are respectively matched with springs 4 to be tested in different specifications.

The embodiment has the advantage that the application range of the auxiliary tool can be improved through the suiting design of the mandrel 3.

Example 1

The fixing plate 1 has a rectangular shape. And 2 phi 6 holes are symmetrically arranged by taking the center as an axis, and are connected with a fixed chuck of the torsion testing machine through the phi 6 holes. The torsion plate 2 is rectangular. And 4 phi 5 holes are symmetrically arranged by taking the center as an axis, and are connected with a rotating chuck of the torsion testing machine through the phi 5 holes. The center of the torsion plate 2 is provided with an M8 threaded hole which is used for being in threaded connection with the mandrel. The fixing plate 1 and the torsion plate 2 are respectively provided with 1 phi 2.5 for fixing two ends of the spring 4, and the positions of the spring connecting holes of the fixing plate 1 and the torsion plate 2 are matched with the spring 4 so as to fix the spring 4 under the non-torsion condition. The mandrel 3 is of a step column shape, the phi 12 stable section is used for sleeving the spring 4, and the M8 connecting section is used for being in threaded connection with the M8 threaded hole of the torsion plate 2.

When the torsion testing machine is used, the fixing plate 1 and the torsion plate 2 are firstly respectively arranged on the fixing chuck of the torsion testing machine and the rotating chuck of the torsion testing machine, then the mandrel 3 with proper size is selected according to the inner diameter of the spring 4 to be measured, then the M8 connecting section 301 of the mandrel 3 is connected with the second fixing hole 201 (M8 threaded hole) of the torsion plate 2, then the spring 4 to be tested is sleeved on the periphery of the phi 12 stabilizing section 302 of the mandrel 3, then the end, close to the torsion plate 2, of the spring 4 to be tested is fixed by utilizing the second fixing structure (phi 2.5) on the torsion plate 2, then the torsion testing machine is started to enable the torsion plate 2 to move towards the fixing plate 1 until the spring 4 contacts with the fixing plate 1, then the spring 4 is fixed close to the fixing plate 1 by utilizing the first fixing structure (phi 2.5) on the fixing plate 1, and then the torsion testing machine is started to detect the spring 4 to be tested.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A torsion testing machine auxiliary device, comprising:

the fixing plate (1) is positioned on a fixing chuck of the torsion testing machine, and a first fixing structure is arranged on a certain symmetrical axis of the fixing plate (1) and used for fixing a spring (4) close to one end of the fixing plate (1);

the torsion plate (2) is positioned on a rotating chuck of the torsion testing machine, and a second fixing structure is arranged on a certain symmetrical axis of the torsion plate (2) and used for fixing a spring (4) close to one end of the torsion plate (2);

and the mandrel (3) is positioned between the fixed plate (1) and the torsion plate (2) and is used for stabilizing the spring (4) between the fixed plate (1) and the torsion plate (2).

2. The auxiliary device of the torsion testing machine according to claim 1, wherein the fixing plate (1) further comprises a first fixing hole (101), and a plurality of first fixing holes (101) are arranged on the periphery of the fixing plate (1) and are used for being connected with a fixing chuck of the torsion testing machine.

3. The auxiliary device of the torsion testing machine according to claim 2, wherein the torsion plate (2) further comprises a second fixing hole (201) and a mandrel connecting hole (202), the second fixing hole (201) is arranged on the periphery of the torsion plate (2) and is used for being connected with a rotating chuck of the torsion testing machine, and the mandrel connecting hole (202) is arranged in the center of the torsion plate (2).

4. A torsion testing machine auxiliary device according to claim 3, wherein the first and second fixing structures are interference fit with the spring (4).

5. A torsion testing machine auxiliary device according to claim 3, wherein the mandrel (3) comprises a connecting section (301) and a stabilizing section (302), one end of the mandrel (3) is provided with the connecting section (301) matched with the mandrel connecting hole (202), and the other end of the mandrel (3) is provided with the stabilizing section (302).

6. A torsion tester aid according to claim 5, wherein the outer surface of the stabilizing section (302) is provided with a coating.