CN218847630U

CN218847630U - Chain link swing wear test equipment

Info

Publication number: CN218847630U
Application number: CN202222496416.XU
Authority: CN
Inventors: 甘启强; 姚胜强; 姚国平; 吴永忠; 黄文斌; 鲍晓萍
Original assignee: Hangzhou Sfr Technology Co ltd
Current assignee: Hangzhou Sfr Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-04-11
Anticipated expiration: 2032-09-21

Abstract

Chain link swing wear test equipment, including being used for experimental single chain friction vice, the one end of chain friction pair is fixed, and the other end is connected with applying the mechanism, driving its wobbling swing actuating mechanism for its load that applies friction pair pressure respectively, swing actuating mechanism includes reciprocating mechanism, install the frictional force sensor between reciprocating mechanism and the chain friction pair, load applying mechanism includes the loading spring who is connected with the vice free end of chain friction, the last experimental force sensor of installing of loading spring. The test sample of the utility model is simple to manufacture, and can test various samples more accurately; the test noise is low, and the environment is friendly; the abrasion loss can be simultaneously tested and the friction coefficient can be calculated.

Description

Chain link swing wear test equipment

Technical Field

The utility model belongs to the technical field of the chain drive, concretely relates to chain link swing wear test equipment.

Background

The failure of the transmission chain, which is the failure of the broken parts at first, is mainly the wear failure of the chain, which is the problem of service life, along with the development of the industrial level and the quality control level. In order to prolong the service life of the chain, each manufacturing factory adopts the latest technology or technology combination to manufacture the transmission chains with different performance requirements from each link of design, material selection, manufacturing process, surface strengthening, lubrication and the like; this process requires extensive wear testing. The traditional test method is to assemble the chains, test one or 2 chains at a time by using a special abrasion tester, and the method is to simulate a driving wheel in the transmission process to drive a driven wheel, and measure the length of the chains after executing for a certain time so as to judge the abrasion elongation of the chains. Since the test often needs to be performed several times to reach a correct conclusion, the traditional test method has the following disadvantages: 1. the test cost is high, and the equipment power consumption and the test sample cost are high; 2. due to the tolerance problem of the parts, the various links assembled by the chain are very different: the test results have large errors caused by the size, hardness, surface roughness, lubrication level and the like. 3. The test noise is large, and the environment is not friendly.

Disclosure of Invention

To the problem that exists in the introduction of above-mentioned background art, the utility model aims to provide a but test sample is simple, the test cost is low, experimental noise is low, the chain link swing wear test equipment of simultaneous test wearing capacity and calculation coefficient of friction.

The utility model adopts the technical proposal that:

the utility model provides a chain link swing wear test equipment, is vice including being used for experimental single chain friction, the one end of chain friction is vice is fixed, and the other end is connected with applying the mechanism, driving its wobbling swing actuating mechanism for its load that applies friction pair pressure respectively, swing actuating mechanism includes reciprocating mechanism, install the frictional force sensor between reciprocating mechanism and the chain friction pair, load applying mechanism includes the loading spring who is connected with the vice free end of chain friction, the last experimental force sensor of installing of loading spring.

Further, the chain friction pair is a group of chain links and comprises an inner chain link and an outer chain link, and the inner chain link and the outer chain link are hinged through a test pin barrel.

Furthermore, the outer end of the inner chain link is fixed, and the outer end of the outer chain link is connected with the reciprocating mechanism and the loading spring respectively.

Or the outer end of the outer chain link is fixed, and the outer end of the inner chain link is respectively connected with the reciprocating mechanism and the loading spring.

Or, the chain friction pair comprises a sleeve and a pin shaft, and the sleeve and the pin shaft are fixed through corresponding tools.

Further, the load applying mechanism further comprises a lead screw lifting mechanism, the lead screw lifting mechanism is connected with a loading motor driving the lead screw lifting mechanism to lift, a lead screw of the lead screw lifting mechanism is connected with a loading spring, and the test force sensor is installed on a lead screw of the lead screw lifting mechanism.

Furthermore, the swing driving mechanism further comprises a swing driving motor, an eccentric wheel or a cam device is installed on an output shaft of the swing driving motor, and the reciprocating mechanism is connected with the eccentric wheel or the cam device.

Further, the swing angle range of the chain friction pair is 15-45 degrees.

Furthermore, the loading motor, the swing driving motor, the test force sensor and the friction force sensor are electrically connected with the controller.

Further, the chain link swinging wear test equipment further comprises a lubricating mechanism capable of lubricating the chain friction pair, the load applying mechanism and the swinging driving mechanism in a timing and continuous mode.

Compared with the prior art, the utility model, it is showing the advantage and includes:

1. the test sample is simple to manufacture, and various samples can be tested more accurately; for example: the friction pair is matched with different hardness, different materials, different heat treatment processes and different surface treatments. The sealing chain can be used for manufacturing samples with different compression amounts, different contact surface roughness, different lubricating oil and the like.

2. The test cost is low: the energy consumption is reduced, and the power consumption is reduced by more than 50%.

3. The test noise is low, and the environment is friendly.

4. The abrasion loss can be simultaneously tested and the friction coefficient can be calculated.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural view of another chain friction pair of the present invention, wherein fig. 3-1 is a top view, and fig. 3-2 is a front view.

In the figure: the device comprises an inner chain link 1, an outer chain link 2, a test pin cylinder 3, a loading spring 4, a loading motor 5, a screw rod lifting mechanism 6, a test force sensor 7, a swing driving motor 8, an eccentric wheel 9, a reciprocating mechanism 10, a friction force sensor 11, a cam device 12 and a pin sleeve 13.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the embodiment provides a chain link swing wear test device, including being used for experimental single chain friction pair, the one end of chain friction pair is fixed, and the other end is connected with applying the mechanism, driving its wobbling swing actuating mechanism for its load that applies friction pair pressure respectively, swing actuating mechanism includes reciprocating mechanism 10, install frictional force sensor 11 between reciprocating mechanism 10 and the chain friction pair, load applying mechanism includes the loading spring 4 of being connected with chain friction pair free end, install experimental force sensor 7 on the loading spring 4.

The load applying mechanism further comprises a lead screw lifting mechanism 6, the lead screw lifting mechanism 6 is connected with a loading motor 5 which drives the lead screw lifting mechanism to lift, a lead screw of the lead screw lifting mechanism 6 is connected with a loading spring 4, and a test force sensor 7 is installed on a lead screw of the lead screw lifting mechanism 6. Depending on the desired load, the load may be applied pneumatically, hydraulically, etc.

The swing driving mechanism of the embodiment further comprises a swing driving motor 8, an eccentric wheel 9 or a cam device 12 is mounted on an output shaft of the swing driving motor 8, and the reciprocating mechanism 10 is connected with the eccentric wheel 9 or the cam device 12. The swing driving mechanism may be an electromagnet, an electromagnetic resonance, or the like. The swing angle range of the chain friction pair is 15-45 degrees.

In this embodiment, the loading motor 5, the swing driving motor 8, the test force sensor 7 and the friction force sensor 11 are all electrically connected to the controller. The chain link swinging wear test equipment further comprises a lubricating mechanism capable of lubricating the chain friction pair, the load applying mechanism and the swinging driving mechanism in a timed and continuous mode. The controller controls each system component to operate according to the setting; each sensor monitors and records data required by tests such as load, speed, frequency, friction force, abrasion loss and the like; the lubricating mechanism lubricates the test sample and the moving mechanism according to the requirement. The loading motor 5, the swing driving motor 8, the test force sensor 7, the friction force sensor 11 and the controller of the embodiment can all adopt common type equipment.

In the embodiment, the sliding friction of meshing the chain wheel in the whole chain transmission process is simulated by swinging a group of chain links at a certain angle, so that the wear performance of a chain friction pair is tested. The chain friction pair is a group of chain links, and comprises an inner chain link 1 and an outer chain link 2, wherein the inner chain link 1 and the outer chain link 2 are hinged through a test pin cylinder 3, and the test pin cylinder is shown in figure 1. The inner links 1 and the outer links 2 may also be hinged by means of test pin bushings 13, see fig. 2. The chain friction pair may also include a sleeve and a pin, and the sleeve and the pin are fixed by a corresponding tool, as shown in fig. 3.

The utility model discloses during the experiment, the outer end of inner chain link 1 is fixed, the outer end and the reciprocating mechanism 10 and the loading spring 4 of outer chain link 2 are connected respectively. The outer end of the outer chain link 2 can be fixed, and the outer end of the inner chain link 1 is respectively connected with the reciprocating mechanism 10 and the loading spring 4.

The utility model discloses it is experimental chain link that whole root chain changes into by an experiment when experimental chain wearing and tearing, experimental friction is vice promptly (the chain link group that an outer chain link and an inner chain link constitute promptly) to the chain link wobbling mode under the load, the vice part of simulation test chain link friction is nibbled in the sprocket and is nibbled in the turned angle of the process of nibbling out, at the load, the range of oscillation, the vice wearability of side test chain friction of adjustable modes such as frequency of oscillation more accurate. And a displacement sensor, a friction sensor, and the like are used to detect the amount of wear and the coefficient of friction. The utility model discloses a reciprocating mechanism realizes the chain link swing, and the sliding friction's under the load during replacement chain sprocket meshing work characteristics to a set of chain link replaces whole root chain to carry out the vice wear test of more accurate friction. The reciprocating mechanism 10 reciprocates in the horizontal direction, and the load applying mechanism applies load in the vertical direction, as shown in fig. 1. Of course, the reciprocating motion in the vertical direction may be also required according to the oscillating frequency, see fig. 2.

The test sample of the utility model is simple to manufacture, and can test various samples more accurately; for example: the friction pair is matched with different hardness, different materials, different heat treatment processes and different surface treatments. The sealing chain can be used for manufacturing samples with different compression amounts, different contact surface roughness, different lubricating oil and the like. The test cost is low: the energy consumption is reduced, and the power consumption is reduced by more than 50%. The test noise is low, and the environment is friendly. The abrasion loss can be simultaneously tested and the friction coefficient can be calculated.

Claims

1. Chain link swing wear test equipment, its characterized in that: including being used for experimental single chain friction vice, the one end of chain friction pair is fixed, and the other end is connected with applying the mechanism, driving its wobbling swing actuating mechanism for its load that applies friction pair pressure respectively, swing actuating mechanism includes reciprocating mechanism, install the frictional force sensor between reciprocating mechanism and the chain friction pair, load applying mechanism includes the loading spring who is connected with the vice free end of chain friction, install experimental force sensor on the loading spring.

2. The link oscillating wear test apparatus of claim 1, wherein: the chain friction pair is a group of chain links and comprises an inner chain link and an outer chain link, and the inner chain link and the outer chain link are hinged through a test pin barrel.

3. The link oscillating wear test apparatus of claim 2, wherein: the outer end of the inner chain link is fixed, and the outer end of the outer chain link is connected with the reciprocating mechanism and the loading spring respectively.

4. The link oscillating wear test apparatus of claim 2, wherein: the outer end of the outer chain link is fixed, and the outer end of the inner chain link is connected with the reciprocating mechanism and the loading spring respectively.

5. The link oscillating wear test apparatus of claim 1, wherein: the chain friction pair comprises a sleeve and a pin shaft, and the sleeve and the pin shaft are fixed through corresponding tools.

6. A chain link oscillating wear test apparatus according to any one of claims 1 to 5, characterized in that: the load applying mechanism further comprises a lead screw lifting mechanism, the lead screw lifting mechanism is connected with a loading motor driving the lead screw lifting mechanism to lift, a lead screw of the lead screw lifting mechanism is connected with a loading spring, and the test force sensor is installed on a lead screw of the lead screw lifting mechanism.

7. The link oscillating wear test apparatus of claim 6, wherein: the swing driving mechanism further comprises a swing driving motor, an eccentric wheel or a cam device is mounted on an output shaft of the swing driving motor, and the reciprocating mechanism is connected with the eccentric wheel or the cam device.

8. The link oscillating wear test apparatus of claim 7, wherein: the loading motor, the swing driving motor, the test force sensor and the friction force sensor are all electrically connected with the controller.

9. The link oscillating wear test apparatus of claim 1, wherein: the chain link swinging wear test equipment further comprises a lubricating mechanism capable of lubricating the chain friction pair, the load applying mechanism and the swinging driving mechanism in a timing and continuous mode.

10. The link oscillating wear test apparatus of claim 1, wherein: the swing angle range of the chain friction pair is 15-45 degrees.