WO2022213399A1

WO2022213399A1 - Chain tightness measuring apparatus

Info

Publication number: WO2022213399A1
Application number: PCT/CN2021/086731
Authority: WO
Inventors: 何召龙; 叶魁魁
Original assignee: 台湾积体电路制造股份有限公司; 台积电(中国)有限公司
Priority date: 2021-04-06
Filing date: 2021-04-12
Publication date: 2022-10-13
Also published as: CN213397626U

Abstract

A chain tightness measuring apparatus, comprising a measuring assembly (1) and a force applying assembly (2). The measuring assembly (1) comprises a ruler body (11), a supporting member (12) and a vernier portion (13). The supporting member (12) and the vernier portion (13) are connected to the ruler body (11) to form an accommodating space. The vernier portion (13) comprises a measuring jaw (131) and a pressing portion (132) disposed on the measuring jaw (131). The force application assembly (2) comprises a sleeve (21), an elastic member (22), a connecting rod (23) and an abutting rod (24). The sleeve (21) is provided with an accommodating cavity (211). The connecting rod (23), the elastic member (22) and the abutting rod (24) sequentially abut against one another in the axial direction of the sleeve (21) and disposed in the accommodating cavity (211). The sleeve (21) is located in the accommodating space. The connecting rod (23) is connected to the pressing portion (132). The abutting rod (24) passes through the supporting member (12) and is used for abutting against a chain to be measured. The side wall of the sleeve (21) is provided with an elastic force scale portion (212) corresponding to the compression amount of the elastic member (22), and an observation hole (213) corresponding to the elastic force scale portion (212). The constancy of output force is achieved, the uncertainty of manual force application is avoided, and the accuracy of chain tightness measurement is improved.

Description

Chain Tension Measuring Device

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of Chinese patent application No. 202120694366.9, filed on April 6, 2021, entitled "Chain Tension Measuring Device", the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of detection tools, and in particular, to a device for measuring the tightness of a chain.

Background technique

The tightness of the chain is an important measurement index in the production process. In order to ensure the normal operation of the production and processing, it is necessary to regularly check the tightness of the chain. The existing method for detecting the tightness of the chain is usually to use a straight rod with a scale for testing, so that the chain is in the normal use state and the force state, and then read the value of the straight rod in these two states, and calculate the two. The difference of the values to get the tightness of the chain. When this method is used for measurement, manual force is required, and the magnitude of the manual force is uncontrollable. There will also be differences in the force of the manual measurement, resulting in a lower accuracy of the chain tightness obtained by manual measurement.

SUMMARY OF THE INVENTION

The embodiment of the present application provides a chain tightness measuring device, so as to at least solve the problem of low accuracy of obtaining the chain tightness by manual measurement.

The embodiment of the present application provides a device for measuring the tightness of a chain, including:

The measuring assembly includes a ruler body, a support piece and a vernier part, the support piece and the vernier part are connected to the ruler body to form a accommodating space, and the vernier part includes a measuring claw and a pressing part arranged on the measuring claw;

The force application component is connected to the measurement component. The force application component includes a sleeve, an elastic member, a connecting rod and an abutting rod. The sleeve has a accommodating cavity, and the connecting rod, the elastic member and the abutting rod abut in turn along the axial direction of the sleeve. It is arranged in the accommodating cavity, the sleeve is located in the accommodating space, the connecting rod is connected to the pressing part, the abutting rod passes through the support and is used to abut the chain under test,

The side wall of the sleeve is provided with an elastic scale portion corresponding to the compression amount of the elastic member, and an observation hole corresponding to the elastic scale portion. The set pressure value is provided to the elastic member through the pressing portion, so that the vernier portion can follow the movement and measure The amount of deformation of the chain.

According to an aspect of the embodiments of the present application, the force applying assembly further includes a fastener, the side wall of the sleeve is provided with a threaded hole adapted to the fastener, and the fastener is used for abutting the connecting rod to fix the connecting rod on the sleeve.

According to an aspect of the embodiments of the present application, one end of the connecting rod abutting against the elastic member is exposed through the observation hole.

According to an aspect of the embodiments of the present application, at least part of the elastic member is exposed through the observation hole.

According to an aspect of the embodiments of the present application, the sleeve includes a first opening and a second opening that communicate with the accommodating cavity and are opposite to each other, and the connecting rod includes a rod body and an end portion of the rod body and extending radially along the rod body. The first abutting part of the rod body is connected to the pressing part through the first opening, the connecting rod is abutted to the elastic piece through the first abutting part, and the first abutting part can be clamped to the first opening.

According to an aspect of the embodiments of the present application, the abutment rod includes a rod base and a second abutment portion disposed at an end of the rod base and extending radially along the rod base, and the abutment rod abuts against the elastic through the second abutment portion The second abutting portion can be clamped to the second opening.

According to an aspect of the embodiments of the present application, the other end of the rod base body is provided with an arc-shaped groove for abutting the chain.

According to one aspect of the embodiments of the present application, the elastic member is a compression spring.

According to an aspect of the embodiments of the present application, the support member is threadedly connected with the ruler body.

According to an aspect of the embodiments of the present application, the measurement accuracy of the measurement assembly is 0.02 mm.

When the chain tightness measuring device provided in the embodiment of the present application acts on the chain to be measured, the elastic member is compressed to a position corresponding to the set pressure value in the elastic force scale portion by operating the pressing portion, so that the abutting rod can output a relatively accurate The pressure value is set, and the chain to be tested generates a deformation amount based on the set pressure value, and then the deformation amount of the chain is obtained through the measuring component. The chain tightness measuring device of the present application basically realizes the constant output force, avoids the uncertainty of manual force application, and greatly improves the accuracy of the chain tightness measurement.

Description of drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

1 is a schematic structural diagram of a chain tightness measuring device according to an embodiment of the present application;

Fig. 2 is the structural representation of the sleeve in Fig. 1;

FIG. 3 is a schematic structural diagram of the force applying assembly in FIG. 1 .

Reference number:

1. Measuring components;

11. Ruler body; 12. Supporting part; 13. Vernier part; 131. Measuring claw; 132. Pressing part;

2. Force components;

21, sleeve; 211, accommodating cavity; 212, elastic scale part; 213, observation hole; 214, first opening; 215, second opening; 22, elastic part; 23, connecting rod; 231, rod body; 232, 24, abutting rod; 241, rod base; 242, second abutting part; 243, arc groove; 25, fastener.

Detailed ways

The embodiments of the present application will be described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are used to illustrate the principles of the present application by way of example, but should not be used to limit the scope of the present application, that is, the present application is not limited to the described embodiments.

In the description of this application, it should be noted that, unless otherwise specified, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", " The orientation or positional relationship indicated by "outside" is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a reference to the present application. Application restrictions. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

The orientation words appearing in the following description are all the directions shown in the drawings, and do not limit the specific structure of the present application. In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

For a better understanding of the present application, the embodiments of the present application are described below with reference to FIG. 1 to FIG. 3 .

Please refer to FIG. 1 and FIG. 2 together. FIG. 1 is a schematic structural diagram of a chain tightness measuring device according to an embodiment of the present application, and FIG. 2 is a structural schematic diagram of the sleeve in FIG. 1 . The chain tightness measuring device provided in the embodiment of the present application includes a measuring component 1 and a force applying component 2 . The measuring assembly 1 includes a ruler body 11 , a support member 12 and a vernier portion 13 , the support member 12 and the vernier portion 13 are connected to the ruler body 11 , and the three together form an accommodation space. The cursor portion 13 includes a measuring claw 131 and a pressing portion 132 provided on the measuring claw 131 .

The force applying component 2 is connected to the measuring component 1 , and the force applying component 2 includes a sleeve 21 , an elastic member 22 , a connecting rod 23 and an abutting rod 24 . The sleeve 21 has an accommodating cavity 211 , and the connecting rod 23 , the elastic member 22 and the abutting rod 24 abut in sequence along the axial direction of the sleeve 21 and are disposed in the accommodating cavity 211 . The sleeve 21 is located in the accommodating space. The connecting rod 23 extends out of the sleeve 21 and is fixedly connected to the pressing portion 132 . The abutment rod 24 protrudes out of the sleeve 21 and passes through the support 12, and the end of the abutment rod 24 is used to abut the chain under test. The side wall of the sleeve 21 is provided with an elastic force scale portion 212 corresponding to the compression amount of the elastic member 22, and an observation hole 213 corresponding to the elastic force scale portion 212, and the set pressure value is provided to the elastic member 22 through the pressing portion 132, In order to make the vernier part 13 follow the movement and measure the deformation amount of the chain. The axial direction of the sleeve 21 is parallel to the length direction of the ruler body 11 .

When the chain tightness measuring device provided in the embodiment of the present application acts on the chain to be measured, by operating the pressing portion 132, the elastic member 22 is compressed to a position corresponding to the set pressure value in the elastic force scale portion 212, so that the abutting rod 24 can be A relatively accurate set pressure value is output, and the chain to be tested generates a deformation amount based on the set pressure value, and then the deformation amount of the chain is obtained through the measuring component 1 . The chain tightness measuring device of the present application basically realizes the constant output force, avoids the uncertainty of manual force application, and greatly improves the accuracy of the chain tightness measurement.

Optionally, the support member 12 is provided with a through hole passing through itself, and the abutment rod 24 passes through the through hole and is slidably connected with the through hole.

Optionally, the pressing portion 132 is detachably connected to the connecting rod 23 . Wherein, the pressing portion 132 and the connecting rod 23 may be screwed together. Of course, other detachable fixed connection methods can also be used. It is connected in a detachable way, which is convenient for installation and removal, so as to replace damaged parts.

In some optional embodiments, the elastic force scale portion 212 includes a plurality of set pressure values, so as to be selected according to different usage conditions. The set pressure value is determined according to the elastic coefficient of the elastic member 22 and the amount of compression. Optionally, the range of the elastic force scale portion 212 is 10N-40N. Of course, other ranges and precisions, such as 10N-30N, 20N-30N, can also be selected as required.

Further, the observation hole 213 and the elastic scale portion 212 are spaced apart in the circumferential direction of the sleeve 21, and the length of the observation hole 213 is greater than the length of the elastic scale portion 212, so that all corresponding elastic scale portions 212 can be found from the observation hole 213. value of .

Optionally, the elastic member 22 is a compression spring. Of course, the elastic member 22 can also be other elastic members that can generate deformation to calculate the elastic force, such as rubber members.

Optionally, one end of the connecting rod 23 abutting against the elastic member 22 is exposed through the observation hole 213 , so that the magnitude of the applied force can be judged according to the position of the connecting rod 23 .

Further, at least part of the elastic member 22 is exposed through the observation hole 213 . The elastic member 22 is exposed through the observation hole 213, so that the observer can clearly see the position of the abutting portion of the connecting rod 23 and the elastic member 22, which is convenient for judging the magnitude of the applied force.

In some optional embodiments, the force applying assembly 2 further includes a fastener 25 , and the side wall of the sleeve 21 is provided with a threaded hole adapted to the fastener 25 . After applying a force to the pressing portion 132 to the set pressure value, tighten the fastener 25 to make it abut against the connecting rod 23 , so that the connecting rod 23 is fixed to the sleeve 21 and prevents the connecting rod 23 from being affected by the elastic force of the elastic member 22 It moves in the direction of approaching the pressing part 132 due to the action. Optionally, the fastener 25 is a screw.

In some specific implementations, the set pressure value is set to 20N, the abutting rod 24 is abutted against the chain to be tested, the operator pushes the pressing portion 132 , and the connecting rod 23 squeezes the elastic member 22 . When the connecting rod 23 abuts When one end of the elastic member 22 moves to the position of 20N in the elastic force scale portion 212, the fastener 25 is pressed onto the connecting rod 23, so that the connecting rod 23 is fixed on the sleeve 21, and then the abutting rod 24 is separated from the chain to be tested Take a reading.

In other specific embodiments, the set pressure value is set to 30N, the abutment rod 24 is abutted against the chain to be tested, the operator pushes the pressing part 132 , and the connecting rod 23 squeezes the elastic member 22 . When one end of the elastic member 22 moves to the position of 30N in the elastic force scale portion 212, the fastener 25 is pressed onto the connecting rod 23, so that the connecting rod 23 is fixed on the sleeve 21, and then the abutting rod 24 is released from the test. chain for reading.

Wherein, the value of the set pressure value can be selected by the operator in the elastic force scale part 212 according to factors such as the actual use of the chain, production requirements, and model.

Please refer to FIG. 3 below. FIG. 3 is a schematic structural diagram of the force applying assembly in FIG. 1 . In some optional embodiments, the sleeve 21 includes a first opening 214 and a second opening 215 that communicate with the accommodating cavity 211 and are opposite to each other. The connecting rod 23 includes a rod body 231 and a first abutting portion 232 disposed at the end of the rod body 231 and extending along the radial direction of the rod body 231 . The rod body 231 is connected to the pressing portion 132 through the first opening 214 , the connecting rod 23 is abutted against the elastic member 22 through the first abutting portion 232 , and the first abutting portion 232 can be clamped to the first opening 214 . It should be noted that the above radial direction does not mean that the cross-section of the rod body 231 is circular, but only represents a longitudinal direction perpendicular to the rod body 231 . The first abutting portion 232 is configured to be able to be snapped with the first opening 214 to prevent the connecting rod 23 from sliding down from the first opening 214 , affecting use and storage.

Optionally, the first abutting portion 232 is a cylindrical body. The diameter of the cylindrical body is larger than the maximum radial distance of the elastic member 22, so as to maximize the abutment area between the first abutting portion 232 and the elastic member 22, and avoid the situation that the two are staggered when being stressed. Of course, the first abutting portion 232 may also have other shapes, as long as it can be snapped with the first opening 214 and abutted against the elastic member 22 .

In some optional embodiments, the abutting rod 24 includes a rod base 241 and a second abutting portion 242 disposed at the end of the rod base 241 and extending radially along the rod base 241 , and the abutting rod 24 is abutted by the second abutting portion 242 . The portion 242 abuts against the elastic member 22 , and the second abutting portion 242 can be engaged with the second opening 215 . It should be noted that the above-mentioned radial direction does not mean that the cross section of the rod base 241 is circular, but only represents the longitudinal direction perpendicular to the rod base 241 . The second abutting portion 242 is set to be able to be snapped with the second opening 215 to prevent the abutting rod 24 from slipping off the second opening 215 , affecting use and storage.

Optionally, the second abutting portion 242 is a cylindrical body. The diameter of the cylindrical body is larger than the maximum radial distance of the elastic member 22, so as to maximize the abutting area between the second abutting portion 242 and the elastic member 22, and avoid the situation that the two are staggered when being stressed. Of course, the second abutting portion 242 can also have other shapes, as long as it can be snapped with the second opening 215 and abutted against the elastic member 22 .

Further, the other end of the rod base 241 is provided with an arc-shaped groove 243 for abutting the chain. The arc-shaped groove 243 is provided to facilitate the rod base 241 to abut on the chain to be tested, and is not easy to slide and dislocate.

Optionally, the measuring claw 131 and the pressing portion 132 are integrally formed. Of course, the measuring claw 131 and the pressing portion 132 may also adopt screw connection or other fixed connection methods.

Optionally, the support member 12 is threadedly connected to the ruler body 11 . By means of threaded connection, the support 12 can be disassembled from the ruler body 11, so that the force applying assembly 2 can be disassembled and replaced conveniently.

Optionally, the measurement accuracy of the measuring assembly 1 is 0.02 mm, that is, the accuracy of the vernier portion 13 is 0.02 mm. Of course, other precisions, such as 0.1mm or 0.05mm, can be used according to actual needs.

While the application has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the application, particularly, provided that there is no structural conflict , each technical feature mentioned in each embodiment can be combined in any manner. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

A chain tightness measuring device, comprising:

The measuring assembly includes a ruler body, a support piece and a vernier part, the support piece and the vernier part are connected to the ruler body to form a accommodating space, and the vernier part comprises a measuring claw and a pressing part arranged on the measuring claw;

a force applying component, connected to the measuring component, the force applying component includes a sleeve, an elastic part, a connecting rod and an abutting rod, the sleeve has a accommodating cavity, the connecting rod, the elastic part and the abutting rod The abutting rods are sequentially abutted on the accommodating cavity along the axial direction of the sleeve, the sleeve is located in the accommodating space, the connecting rod is connected to the pressing portion, and the abutting rod passes through the accommodating space. said supports and are used to abut the chain under test,

The side wall of the sleeve is provided with an elastic scale portion corresponding to the compression amount of the elastic member, and an observation hole corresponding to the elastic scale portion, and a set pressure is provided to the elastic member through the pressing portion value, so that the vernier part follows the movement and measures the amount of deformation of the chain.
The chain tightness measuring device according to claim 1, wherein the force applying assembly further comprises a fastener, the side wall of the sleeve is provided with a threaded hole adapted to the fastener, and the fastener The fastener is used for abutting the connecting rod, so that the connecting rod is fixed to the sleeve.
The chain tightness measuring device according to claim 1, wherein one end of the connecting rod abutting against the elastic member is exposed through the observation hole.
The chain tension measuring device according to claim 3, wherein at least part of the elastic member is exposed through the observation hole.
The chain tightness measuring device according to claim 1, wherein the sleeve comprises a first opening and a second opening which communicate with the accommodating cavity and are opposite to each other, and the connecting rod comprises a rod body and a a first abutting part at the end of the rod body and extending along the radial direction of the rod body, the rod body is connected to the pressing part through the first opening, and the connecting rod passes through the first abutting part The first abutting part abuts on the elastic piece, and the first abutting part can be clamped on the first opening.
The chain tightness measuring device according to claim 5, wherein the abutting rod comprises a rod base and a second abutting part disposed at the end of the rod base and extending radially along the rod base, so The abutting rod is abutted against the elastic member through the second abutting portion, and the second abutting portion can be engaged with the second opening.
The chain tightness measuring device according to claim 6, wherein the other end of the rod base body is provided with an arc-shaped groove for abutting the chain.
The chain tightness measuring device according to claim 1, wherein the elastic member is a compression spring.
The chain tightness measuring device according to claim 1, wherein the support member is threadedly connected with the ruler body.
The chain tightness measuring device according to claim 1, wherein the measuring component has a measuring accuracy of 0.02 mm.