High-temperature heating module for friction-wear testing machine

Abstract

The utility model provides a high-temperature heating module for a friction-wear testing machine in the technical field of friction-wear testing, which comprises a box body with a containing cavity, a heating plate is arranged in the box body, a sample plate is detachably connected onto the heating plate, a liftable sample rod is arranged above the sample plate, a ball sample is arranged at the lower end of the sample rod, and the ball sample is arranged in the containing cavity. The sample rod can drive the ball sample to reciprocate on the sample plate; the device is simple in structure, small in occupied space and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the friction and wear test technical field, especially relates to a high temperature heating module for friction and wear testing machine. BACKGROUND

[0002] In the field of engineering machinery, many materials or parts work in high temperature environment, the physical and chemical properties of the material may change, resulting in the friction and wear behavior of the material becoming more complex. Through high temperature friction and wear test, the technician can obtain the friction coefficient, wear rate and surface damage of the material at high temperature, so as to more accurately understand the performance of the material, can screen out the material suitable for high temperature environment, reduce the equipment failure rate, improve the reliability and safety of the equipment. At the same time, high temperature friction and wear test can also be used for material design optimization and performance improvement, and scientific basis is provided for material research and development, so as to improve the material formula or manufacturing process and improve the high temperature friction and wear performance of the material.

[0003] At present, the existing technology is generally normal temperature friction and wear testing machine, and the function is single. The existing high temperature friction and wear testing machine needs to be equipped with another cooling device or air cooling system, the whole machine set is large in size and high in cost, and the structure parts are complex, so that the assembly and maintenance of the machine set are not convenient. Therefore, a new type of high temperature friction and wear testing machine with small occupied area, simple structure, convenient use and maintenance is urgently needed. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model aims at solving the problems of complex structure, large space occupation and inconvenient maintenance in the prior art, and provides a high temperature heating module for friction and wear testing machine, which is simple in structure, small in space occupation and convenient to maintain.

[0005] The utility model aims at solving the problems of complex structure, large space occupation and inconvenient maintenance in the prior art, and provides a high temperature heating module for friction and wear testing machine, which is simple in structure, small in space occupation and convenient to maintain.

[0006] The utility model discloses before testing, adjust test sample pole, make ball sample just contact with test sample board, test, if need test the friction and abrasion data of normal temperature environment, the heating plate does not work, if need test the friction and abrasion data of high temperature environment, can heat the heating plate to set temperature, and the heating plate passes through heat conduction and transmits high temperature to test sample board, makes test sample board temperature reach the temperature required, makes test sample pole action drive ball sample and move on test sample board reciprocatingly, can realize that the test board is in high temperature environment's friction and abrasion simulation test, through replacing the test sample board of different material, namely realize the friction and abrasion test data of different material's test sample board, the utility model discloses convenient testing, can adjust the heating plate temperature according to need, simulate the temperature of different working condition environment, carry out friction and abrasion test, and the whole machine set structure is simple, and the volume is small, and the occupied space is small, and the maintenance and the replacement material are convenient, can be applied to the work of friction and abrasion testing machine.

[0007] In order to realize the temperature of the internal part of the cover plate isolation box body, the upper side of the box body is provided with a cover plate, the cover plate is provided with a notch, and the test sample rod can pass through the notch and contact the test sample plate.

[0008] In order to realize the heating of the heating plate, and the intelligent monitoring of the temperature change of the heating plate, the box body is provided with a socket, one side of the heating plate is provided with a heating rod, the other side of the heating plate is provided with a thermocouple, and the heating rod and the thermocouple are respectively electrically connected with the socket.

[0009] In order to realize the connection of the cover plate and the box body, a connecting hole is opened on the box body, and the cover plate is connected on the box body through the thread cooperation of the connecting bolt and the connecting hole.

[0010] In order to realize that the test sample plate is detachably connected on the heating plate, four limiting holes arranged in a rectangular shape are opened on the heating plate, a limiting bolt is threadedly connected in the limiting hole, and the test sample plate can be fixed on the heating plate through the limiting bolt.

[0011] In order to realize the installation of the heating plate, and reduce the influence of the high temperature of the heating plate on the bottom wall of the box body, a heat insulation support column is arranged in the box body, and the heating plate can be installed on the heat insulation support column through the mounting bolt.

[0012] As a further improvement of the utility model, the lower end of the box body is provided with four supporting legs arranged in a rectangular shape, and the accommodating cavity is further filled with a heat insulation filler.

[0013] As a further improvement of the utility model, the test sample rod comprises a hollow rod body, the ball sample is threadedly connected to the lower end of the rod body, and a gas conveying pipe is threadedly connected to the upper end of the rod body through a joint.

[0014] As a further improvement of the utility model, a plurality of air exhaust holes are arranged on the rod body in the axial direction of the rod body at the upper end of the ball sample, and the air exhaust holes are communicated with the gas conveying pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0016] Figure 2 It is a top view of the utility model.

[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0018] Figure 4 This is a schematic diagram of the sample rod structure of the present utility model.

[0019] Figure 5 This is a schematic diagram of the reciprocating motion of the utility model test specimen.

[0020] Figure 6 This is a schematic diagram of the structure of the utility model Figure 2 .

[0021] In the figure: 1 gas pipe, 2 rod body, 3 box body, 4 socket, 5 support leg, 6 cover plate, 7 joint, 8 thermal insulation filler, 9 heating plate, 10 sample plate, 11 limit hole, 12 limit bolt, 13 connecting hole, 14 connecting bolt, 15 heating rod, 16 thermal insulation support column, 17 notch, 18 thermocouple, 19 exhaust hole, 20 ball sample. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] like Figures 1-6The friction and wear testing machine high temperature heating module shown in one, including the box body 3 with containing cavity, the lower end of box body 3 is equipped with four rectangularly arranged support 5, the containing cavity is further provided with heat insulation filler 8, the box body 3 is provided with heating plate 9, the box body 3 is provided with heat insulation support column 16, the heating plate 9 can be installed on heat insulation support column 16 through mounting bolt, the heating plate 9 is detachably connected with sample plate 10, the heating plate 9 is opened four rectangularly arranged limiting hole 11, the limiting hole 11 is threadedly connected with limiting bolt 12, the sample plate 10 can be fixed on the heating plate 9 through limiting bolt 12;The upper side of sample plate 10 is provided with the liftable sample rod, the sample rod includes the hollow rod body 2, the ball sample 20 is threadedly connected at the lower end of rod body 2, the upper end of rod body 2 is threadedly connected with gas delivery pipe 1 through joint 7, a plurality of exhaust holes 19 are arranged on the rod body 2 of the upper end of ball sample 20 along the axial direction of rod body 2, and the exhaust holes 19 are communicated with the gas delivery pipe 1;The lower end of sample rod is provided with ball sample 20, and the sample rod can reciprocate with ball sample 20 on sample plate 10, the upper side of box body 3 is provided with cover plate 6, the cover plate 6 is provided with slot 17, the sample rod can pass through slot 17 and contact with sample plate 10, the box body 3 is opened connection hole 13, and the cover plate 6 is connected on the box body 3 through the threaded cooperation of connecting bolt 14 and connection hole 13;The box body 3 is provided with electric socket 4, one side of heating plate 9 is provided with heating rod 15, the other side of heating plate 9 is provided with thermocouple 18, and heating rod 15 and thermocouple 18 are respectively electrically connected with socket 4.

[0024] The utility model discloses a heat insulation filler 8 preferably uses thermal insulation cotton, and the cover plate 6 selects ceramic material, and the heat insulation support column 16 preferably uses zirconia ceramic, and the sample rod is connected on the force arm of the existing friction and wear testing machine, and the box body is detachably installed on the slide of the existing friction and wear testing machine (for example, the friction and wear testing machine of the public number CN113686656A can realize the lifting of the sample rod, realizes that the box body reciprocatingly moves with the slide, is prior art, and is not drawn in the drawing), before the utility model tests, adjust the sample rod, make ball sample 20 just contact with the test plate, when testing, if need test the friction and wear data under normal temperature environment, heating rod 15 does not work, if need test the friction and wear data under high temperature environment, electric socket 4 is communicated with external power supply, heating rod 15 heats after electrification, and it heats after and passes through heat conduction to heating plate 9, and heating plate 9 transmits high temperature to sample plate 10 after heat conduction, can realize the friction and wear simulation test of this sample plate 10 under high temperature environment, and thermocouple 18 obtains the real-time temperature of heating plate 9 and feeds back to the external temperature controller, compares the size of real-time temperature and set temperature, and then adjust the current on-off of heating rod 15, until the test temperature reaches the set temperature of test requirement, forms the automatic closed loop control of temperature, the setting of heat insulation support column 16 can reduce the downward conduction of high temperature of heating plate 9, fills the heat insulation filling in the containing cavity, reduces the temperature loss of the box body 3 to the outside, the cover plate 6 can insulate the large amount of heat radiation generated by heating plate 9 on one hand, and on the other hand, creates a relatively closed environment, reduces the heat loss of heating plate 9, and the cover plate 6 is provided with a slot 17, which reserves sufficient space for the reciprocating friction movement of the sample rod, and compressed air can be continuously introduced into the gas delivery pipe 1 during the test process. The gas flow is finally discharged from the exhaust hole 19, thereby playing a role in cooling the sample rod. If multiple sample plates 10 need to be tested, only the limiting bolt 12 needs to be loosened, and the sample plate 10 can be replaced. By replacing sample plates 10 made of different materials, the friction and wear test data of sample plates 10 made of different materials can be determined. The structure is simple and convenient to replace. The use of heating rod 15 and thermocouple 18 facilitates the control of test temperature and reduces the investment cost of test equipment. The utility model is convenient to test and can adjust the temperature of heating plate 9 as needed to simulate the temperature under different working conditions for friction and wear testing. The utility model has the advantages of simple structure, small size, and small space occupation. The joint setting of the limiting bolt 12 and the connecting bolt 14 facilitates maintenance, replacement, and use, and can be applied to the work of the friction and wear testing machine.

[0025] The utility model patent is not limited to the above examples. Based on the technical solutions disclosed in the utility model patent, those skilled in the art can make some substitutions and modifications to some technical features without creative labor. These substitutions and modifications are within the protection scope of the utility model patent.

Claims

1. A high-temperature heating module for a friction and wear testing machine, characterized in that: It includes a box body with a accommodating cavity, a heating plate is provided in the box body, a sample plate is detachably connected to the heating plate, a liftable sample rod is provided above the sample plate, a ball sample is provided at the lower end of the sample rod, the sample rod can move back and forth on the sample plate with the ball sample, the sample rod includes a hollow rod body, the ball sample is threadedly connected to the lower end of the rod body, and the upper end of the rod body is threadedly connected to the air pipe through a joint.

2. The high-temperature heating module for a friction and wear testing machine according to claim 1, characterized in that: A cover plate is provided on the upper side of the box body, and a notch is provided on the cover plate. The sample rod can pass through the notch and contact the sample plate.

3. The high-temperature heating module for a friction and wear testing machine according to claim 2, characterized in that: A socket is provided on the box body, a heating rod is provided on one side of the heating plate, and a thermocouple is provided on the other side of the heating plate. The heating rod and the thermocouple are electrically connected to the socket respectively.

4. The high-temperature heating module for a friction and wear testing machine according to claim 3, characterized in that: The box body is provided with a connecting hole, and the cover plate is connected to the box body via connecting bolts and threads of the connecting hole.

5. The high-temperature heating module for a friction and wear testing machine according to claim 4, characterized in that: The heating plate is provided with four rectangular limiting holes, the limiting holes are internally threadedly connected with limiting bolts, and the sample plate can be fixed on the heating plate via the limiting bolts.

6. The high-temperature heating module for a friction and wear testing machine according to claim 5, characterized in that: A heat-insulating support column is provided in the box body, and the heating plate can be mounted on the heat-insulating support column via mounting bolts.

7. The high-temperature heating module for a friction and wear testing machine according to claim 6, characterized in that: The lower end of the box body is provided with four rectangular supporting legs, and the accommodating cavity is also filled with heat-insulating filler.

8. A high-temperature heating module for a friction and wear testing machine according to any one of claims 1 to 7, characterized in that: A plurality of exhaust holes are arranged on the rod body at the upper end of the ball sample along the axial direction of the rod body, and the exhaust holes are connected to the air supply pipe.

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