CN110426303A - The humidity chamber device of linear reciprocating friction-wear test - Google Patents

Abstract

The invention discloses a humidity chamber device for a linear reciprocating friction and wear test. There is an upper opening and a lower opening; the sealing cover assembly seals the upper opening; the upper end of the clamp is fixed on the inner surface of the sealing cover assembly, and the lower end of the clamp is used to fix the upper test piece, and the clamp can move up and down and horizontally; force measurement The sensor is arranged on the outer surface of the sealing cover assembly; the humidity sensor is installed on the main body of the humidity chamber; the lower opening is closed by the mounting seat; the reciprocating drive platform is located under the fixture, and is arranged on the mounting seat in a linear reciprocating manner to drive and fix The lower test piece on the reciprocating drive platform makes linear reciprocating frictional motion relative to the upper test piece fixed on the lower end of the fixture. The device is suitable for the reciprocating module of the friction and wear testing machine, the humidity chamber is well sealed, and the test results are accurate and reliable.

Description

Humidity chamber device for linear reciprocating friction and wear test

technical field

The invention relates to the technical field of environmental humidity on friction and wear performance test, in particular to a humidity chamber device for linear reciprocating friction and wear performance test.

Background technique

To study the influence of environmental humidity on the friction and wear performance usually requires experiments with a friction and wear testing machine equipped with a humidity chamber. At present, there is a lack of a humidity chamber device for matching with the linear reciprocating module in the friction and wear testing machine.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a linear reciprocating friction and wear test humidity chamber device, which is suitable for the reciprocating module of the friction and wear testing machine. The humidity chamber has good sealing performance and the test results are accurate and reliable.

The humidity chamber device for the linear reciprocating friction and wear test according to the embodiment of the present invention includes:

Humidity chamber body, the humidity chamber body defines a humidity chamber, the humidity chamber body is provided with an upper opening and a lower opening communicating with the humidity chamber;

A sealing cover assembly, the sealing cover assembly is arranged on the upper opening and is sealingly connected with the main body of the humidity chamber;

A clamp, the upper end of the clamp is fixed on the inner surface of the sealing cover assembly, the lower end of the clamp can extend into the humidity chamber from the upper opening, and the lower end of the clamp is used to fix the upper test piece , the clamp can move up and down and horizontally;

a load cell, the load cell is arranged on the outer surface of the sealing cover assembly and above the clamp, and is used to measure the loading force applied to the clamp;

a humidity sensor, the humidity sensor is installed on the main body of the humidity chamber for measuring the humidity of the humidity chamber;

a mounting seat, the mounting seat closes the lower opening of the humidity chamber body;

A reciprocating drive platform, the reciprocating drive platform is located below the fixture, and the reciprocating drive platform is arranged on the mounting seat in a linear reciprocating manner, so as to drive the lower test piece fixed on the reciprocating drive platform relative to The upper test piece fixed on the lower end of the fixture performs linear reciprocating frictional motion.

According to the humidity chamber device of the linear reciprocating friction and wear test according to the embodiment of the present invention, since the fixture is vertically arranged, the lower end of the fixture is used to fix the upper test piece, and the reciprocating drive platform is horizontally arranged below the fixture, and the upper surface of the reciprocating drive platform It is used to fix the lower test piece. When the reciprocating drive platform performs linear reciprocating motion, the lower test piece on the reciprocating drive platform can perform linear reciprocating frictional motion relative to the upper test piece fixed on the lower end of the fixture. Therefore, it is suitable for friction and wear testing machines. The linear reciprocating module provides a good experimental guarantee for studying the influence of humidity environment on friction and wear performance. The upper opening of the main body of the humidity chamber is sealed by the sealing cover assembly, and the lower opening of the main body of the humidity chamber is sealed by the mounting seat, so that the humidity chamber has better sealing performance, can be effectively isolated from the surrounding environment, and ensures the humidity during the friction and wear test The humidity and pressure in the chamber are stable; at the same time, it is easy to disassemble and assemble, and it is also convenient to replace the upper and lower test pieces. By setting the humidity sensor, the humidity value in the humidity chamber during the friction and wear test can be clearly and accurately known, and by setting the force sensor, the loaded load value can be easily and accurately known, which is conducive to accurate and reliable test results.

According to an embodiment of the present invention, the mounting seat is provided with a linear slideway extending in the front-rear direction, and the reciprocating drive platform includes a guide block part and a platform part connected to the upper surface of the guide block part, so The guide block part is installed in the linear chute and can perform linear reciprocating motion along the linear chute.

According to a further embodiment of the present invention, it also includes a sealing block, the sealing block is provided with a linear sliding hole; the upper surface of the mounting base is provided with a concave cavity, and the linear sliding groove is provided on the bottom wall of the concave cavity above; the sealing block is correspondingly arranged in the concave cavity, and the linear sliding hole of the sealing block corresponds to the linear sliding groove; the guide block part is installed on the linear sliding hole and the linear sliding hole In the chute and can do linear reciprocating motion along the front and back direction.

According to a still further embodiment of the present invention, a clearance fit is used between the sealing block and the reciprocating drive platform.

According to an embodiment of the present invention, the installation seat is arranged in the lower opening, and a clearance fit is adopted between the outer side wall of the installation seat and the inner side wall of the humidity chamber main body.

According to an embodiment of the present invention, the mounting seat is arranged in the lower opening, and a protruding ring is provided on the inner wall of the humidity chamber body near the lower opening, and the protruding ring is located on the On the top of the mounting seat, the mounting seat is fastened to the collar by fasteners.

According to some embodiments of the present invention, the seal cover assembly includes a seal cover body, a clamp sleeve and an end cover, the top and bottom of the seal cover body are respectively provided with a top cover port and a bottom cover port, and the clamp cover seals the Top cover opening, the upper end of the clamp is fixed on the inner side of the clamp sleeve, the bottom cover opening of the sealing cover body communicates with the upper opening and the lower end of the sealing cover body passes through the end The cover is sealingly connected with the main body of the humidity chamber.

According to a further embodiment of the present invention, the clamp cover includes a top plate and a surrounding plate extending downward from the periphery of the top plate, and the lower peripheral portion of the surrounding plate is in contact with the periphery of the top cover opening of the sealing cover body. part is sealed and connected by a first sealing ring, and the upper end of the clamp is fixed on the inner side of the top plate.

According to a further embodiment of the present invention, the end cover includes an upper ring body and a lower ring body that are coaxially connected up and down, and the upper ring body is connected to the periphery of the bottom cover opening of the sealing cover body through a second sealing ring. The outer peripheral surface of the lower ring body is in sealing fit with the inner peripheral surface of the upper opening, and the clamp passes through the upper ring body and the lower ring body.

According to a further embodiment of the present invention, the outer diameter of the upper ring body is larger than the outer diameter of the lower ring body, so that the lower bottom surface of the upper ring body abuts against the outer surface of the humidity chamber main body superior.

According to a further embodiment of the present invention, the sealing cover body is a flexible sealing cover.

According to a further embodiment of the present invention, the sealing cover body is made of PA film.

According to a further embodiment of the present invention, a buffer sheet is further included, and the buffer sheet is arranged between the load cell and the clamp sleeve.

According to some embodiments of the present invention, the humidity chamber body is provided with a humidity sensor installation hole, and the humidity sensor is installed in the humidity sensor installation hole.

According to some embodiments of the present invention, the main body of the humidity chamber is provided with a threaded hole for connecting the humidity generator.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic cross-sectional view of a humidity chamber device for a linear reciprocating friction and wear test according to an embodiment of the present invention.

Fig. 2 is a partial cross-sectional schematic diagram of a humidity chamber device for a linear reciprocating friction and wear test according to an embodiment of the present invention.

Fig. 3 is a top view of a mounting seat of a humidity chamber for a linear reciprocating friction and wear test according to an embodiment of the present invention.

Reference signs:

Humidity chamber device for linear reciprocating friction and wear test 1000

Humidity Chamber Body 1 Protruding Ring 11 Humidity Sensor Mounting Hole 12 Threaded Hole 13

Sealing cover assembly 2

Sealing cover body 21 clamp sleeve 22 top plate 221 surrounding plate 222 first sealing ring 23

End cap 24 Upper ring body 241 Lower ring body 242 Second sealing ring 25

Fixture 3

Load cell 4

Mounting seat 5 Linear slide groove 51

Reciprocating drive platform 6 Guide block part 61 Platform part 62

Seal block 7

buffer sheet 8

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

A humidity chamber device 1000 for a linear reciprocating friction and wear test according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 3 .

As shown in Figures 1 to 3, the humidity chamber device 1000 of the linear reciprocating friction and wear test according to the embodiment of the present invention includes a humidity chamber main body 1, a sealing cover assembly 2, a clamp 3, a load cell 4, a humidity sensor, an installation Seat 5 and reciprocating drive platform 6. Among them, the humidity chamber main body 1 defines a humidity chamber, and the humidity chamber main body 1 is provided with an upper opening and a lower opening communicating with the humidity chamber; the sealing cover assembly 2 is set on the upper opening and is sealed and connected with the humidity chamber main body 1; The upper end of the clamp 3 is fixed on the inner surface of the sealing cover assembly 2, the lower end of the clamp 3 can extend into the humidity chamber from the upper opening, the lower end of the clamp 3 is used to fix the upper test piece, and the clamp 3 can move up and down and horizontally; The force sensor 4 is arranged on the outer surface of the sealing cover assembly 2 and above the clamp 3 for measuring the normal force applied to the clamp 3; the humidity sensor is installed on the humidity chamber main body 1 for measuring the humidity of the humidity chamber The mounting base 5 closes the lower opening of the humidity chamber main body 1; the reciprocating drive platform 6 is located below the fixture 3, and the reciprocating drive platform 6 can be arranged on the mounting base 5 in a linear reciprocating manner to drive the reciprocating drive platform 6. The lower test piece performs linear reciprocating frictional motion relative to the upper test piece fixed on the lower end of the fixture 3 .

Specifically, the humidity chamber main body 1 defines a humidity chamber, and the humidity chamber main body 1 is provided with an upper opening and a lower opening communicating with the humidity chamber; The performance test provides a humidity environment. The main body 1 of the humidity chamber is provided with an upper opening and a lower opening communicating with the humidity chamber. The upper opening facilitates the clamp 3 to extend into the humidity chamber from above the upper opening, and also facilitates the movement of the clamp 3 in the up-down direction and in the horizontal direction. Move, the lower opening facilitates the installation of the mounting seat 5 and the reciprocating drive platform 6, so that the reciprocating drive platform 6 is arranged under the fixture 3, which is conducive to the reciprocating drive platform 6 doing linear reciprocating motion under the effect of an external driving force.

The sealing cover assembly 2 is set on the upper opening and is sealed and connected with the humidity chamber main body 1; that is to say, the upper opening on the humidity chamber main body 1 is sealed by the sealing cover assembly 2, so that the humidity chamber is relatively closed, which is conducive to ensuring friction The humidity and pressure in the humidity chamber are stable during the wear performance test, which is conducive to ensuring the smooth progress of the test and the accuracy and reliability of the test results.

The upper end of the clamp 3 is fixed on the inner surface of the sealing cover assembly 2, the lower end of the clamp 3 can extend into the humidity chamber from the upper opening, the lower end of the clamp 3 is used to fix the upper test piece, and the clamp 3 can move up and down and horizontally; the clamp The upper end of 3 is fixed on the inner surface of sealing cover assembly 2, and the lower end of clamp 3 is used to fix the upper test piece and can extend into the humidity chamber from the upper opening, thereby ensuring that clamp 3 and the upper test piece on clamp 3 are in a relatively in a closed humidity chamber. Fixture 3 can move up and down and horizontally. It can be understood that during the test, under the action of external loading force, fixture 3 needs to move down so that the upper test piece is squeezed and fixed on the lower test piece on the upper surface of the rotating platform, so that the straight line Friction occurs between the reciprocating lower test piece and the upper test piece, and in order to adjust the relative position of the upper and lower test pieces, the upper test piece needs to be offset in the horizontal direction. Therefore, it is necessary to ensure that the clamp 3 can move up and down and horizontally.

The load cell 4 is arranged on the outer surface of the sealing cover assembly 2 and above the clamp 3 for measuring the loading force applied on the clamp 3 . It can be understood that the isolation of the humidity chamber and the load cell 4 is realized by the sealing cover assembly 2 , so as to prevent the high humidity environment from affecting the service life of the load cell 4 . The data of the external load can be measured through the load cell 4, which is beneficial to the accuracy and reliability of the test results.

The humidity sensor is installed on the main body 1 of the humidity chamber to measure the humidity of the humidity chamber, so that the humidity value in the humidity chamber can be clearly and accurately obtained, and the real-time monitoring of the humidity change in the humidity chamber is realized, which is conducive to accurate and reliable test results.

The mounting seat 5 closes the lower opening of the humidity chamber main body 1 , thereby making the humidity chamber relatively closed, and at the same time, conveniently provides installation support for the reciprocating drive platform 6 .

The reciprocating drive platform 6 is located below the fixture 3, and the reciprocating drive platform 6 can be arranged on the mounting seat 5 in a linear reciprocating manner, so as to drive the lower test piece fixed on the reciprocating drive platform 6 relative to the upper test piece fixed on the lower end of the fixture 3. The parts do linear reciprocating frictional motion, thus, the linear reciprocating friction and wear test under humidity environment can be carried out.

According to the humidity chamber device 1000 of the linear reciprocating friction and wear test according to the embodiment of the present invention, since the fixture 3 is vertically arranged, the lower end of the fixture 3 is used to fix the upper test piece, and the reciprocating drive platform 6 is horizontally arranged under the fixture 3, reciprocating The upper surface of the drive platform 6 is used to fix the lower test piece. When the reciprocating drive platform 6 performs linear reciprocating motion, it can drive the lower test piece on the reciprocating drive platform 6 to perform linear reciprocating frictional motion relative to the upper test piece fixed on the lower end of the fixture 3. , Therefore, it is suitable for the linear reciprocating module of the friction and wear testing machine, and provides a good experimental guarantee for studying the influence of humidity environment on the friction and wear performance. The upper opening of the humidity chamber main body 1 is sealed by the sealing cover assembly 2, and the lower opening of the humidity chamber main body 1 is sealed by the mounting seat 5, so that the humidity chamber has better sealing performance, can be effectively isolated from the surrounding environment, and ensures friction and wear The humidity and pressure in the humidity chamber during the test are stable; at the same time, it is easy to disassemble and assemble, and it is also convenient to replace the upper test piece and the lower test piece. By setting the humidity sensor, the humidity in the humidity chamber during the friction and wear test can be clearly and accurately known, and by setting the load cell 4, the load value can be easily and accurately known, which is conducive to accurate and reliable test results.

According to one embodiment of the present invention, the mounting seat 5 is provided with a linear slide 51 extending in the front-to-back direction, and the reciprocating drive platform 6 includes a guide block portion 61 and a platform portion 62 connected to the upper surface of the guide block portion 61. The block part 61 is installed in the linear chute 51 and can perform linear reciprocating motion along the linear chute 51. By matching the guide block part 61 with the linear chute 51, the linear reciprocating motion of the reciprocating drive platform 6 along the front and rear directions is more stable. The upper surface of the platform portion 62 is used to fix the lower test piece.

According to a further embodiment of the present invention, it also includes a sealing block 7, the sealing block 7 is provided with a linear sliding hole; the upper surface of the mounting seat 5 is provided with a concave cavity, and the linear sliding groove 51 is arranged on the bottom wall of the concave cavity; the sealing block 7 is arranged in the concave cavity, and the linear sliding hole of the sealing block 7 corresponds to the linear sliding groove 51; the guide block part 61 is installed in the linear sliding hole and the linear sliding groove 51 and can perform linear reciprocating motion along the front and rear directions. By arranging the sealing block 7 in the concave cavity, and using the sealing block 7 and the linear chute to guide the movement of the reciprocating drive platform 6, the linear reciprocating motion of the reciprocating drive platform 6 along the front and rear directions is more stable, and at the same time, according to specific experiments Condition setting, replace the matching sealing block 7.

According to a further embodiment of the present invention, clearance fit is adopted between the sealing block 7 and the reciprocating drive platform 6; There is a certain gap between them, for example, the gap can be 1 mm, so that the reciprocating drive platform 6 can smoothly perform linear reciprocating motion, and at the same time, it is also convenient for disassembly and assembly.

According to one embodiment of the present invention, the mounting seat 5 is arranged in the lower opening, that is, the mounting seat 5 is embedded in the lower opening, and the outer wall of the mounting seat 5 and the inner wall of the humidity chamber main body 1 adopt clearance fit, for example, H6/g5 Fitting with a small gap can ensure the airtightness of the cavity, and at the same time, it is easy to disassemble and assemble.

According to one embodiment of the present invention, the mounting seat 5 is arranged in the lower opening, that is, the mounting seat 5 is embedded in the lower opening, and a protruding ring 11 is provided on the inner wall of the humidity chamber main body 1 and close to the lower opening, and the protruding ring 11 is located in the lower opening. On the top of the mounting base 5, that is to say, when the humidity chamber main body 1 is installed to the mounting base 5, the protrusion ring 11 can be positioned, and the humidity chamber main body 1 can fasten the protrusion ring 11 and the mounting base 5 through fasteners such as screws , reliable connection, easy disassembly and assembly.

According to some embodiments of the present invention, the sealing cover assembly 2 includes a sealing cover body 21, a clamp sleeve 22 and an end cover 24. The top and bottom of the sealing cover body 21 are respectively provided with a top cover opening and a bottom cover opening, and the clamp cover 22 seals the top cover. The upper end of the clamp 3 is fixed on the inner surface of the clamp cover 22, the bottom cover mouth of the sealing cover body 21 communicates with the upper opening and the lower end of the sealing cover body 21 is sealed and connected with the humidity chamber main body 1 through the end cover 24. Thus, Ensure that the humidity chamber is well sealed. The clamp 3 is fixed with the clamp cover 22 and wrapped into the humidity chamber through the sealing cover assembly 2 to realize sealing. At the same time, the fixture sleeve 22 provides effective support for the sealing cover body 21 , which can prevent the sealing cover body 21 from touching the fixture 3 and affecting the measurement result.

According to a further embodiment of the present invention, the clamp cover 22 includes a top plate 221 and a surrounding plate 222 extending downward from the periphery of the top plate 221. The sealing ring 23 is sealed and connected, and the upper end of the clamp 3 is fixed on the inner side of the top plate 221 . It can be understood that the fixture cover 22 provides an installation position and effective support for the sealing cover body 21 through the surrounding plate 222 , which can prevent the sealing cover body 21 from touching the fixture 3 and affecting the measurement result. At the same time, the surrounding plate 222 of the clamp cover 22 is sealed and connected with the periphery of the top cover opening of the sealing cover body 21 through the first sealing ring 23, which is convenient for assembly and disassembly.

Optionally, a first annular groove can be processed on the outer peripheral surface of the shroud 222, a first sealing ring 23 is embedded in the first annular groove, and the top cover mouth of the sealing cover body 21 is sealed by the first sealing ring 23. The peripheral portion is tightly connected between the first sealing ring 23 and the groove wall of the first annular groove.

According to a further embodiment of the present invention, the end cap 24 includes an upper ring body 241 and a lower ring body 242 that are coaxially connected up and down, and the upper ring body 241 is sealed with the periphery of the bottom cover mouth of the sealing cover body 21 through the second sealing ring 25 The outer peripheral surface of the lower ring body 242 is in sealing fit with the inner peripheral surface of the upper opening, and the clamp 3 passes through the upper ring body 241 and the lower ring body 242 . It can be understood that the sealing cover body 21 is connected to the humidity chamber main body 1 through the end cover 24, so that the sealing cover assembly 2 and the humidity chamber main body 1 are easily disassembled, and it is convenient to replace the test piece. Wherein, the upper ring body 241 of the end cover 24 is sealed and connected with the periphery of the bottom cover mouth of the sealing cover body 21 through the second sealing ring 25, which is convenient for disassembly and assembly, and achieves a better sealing state at the same time. The lower ring body of the end cover 24 242 is sealed with the inner surface of the upper opening, for example, the clearance fit H8/d8 is adopted, which is convenient for disassembly and assembly, and achieves a better sealing state at the same time.

Optionally, a second annular groove can be processed on the outer peripheral surface of the upper ring body 241, a second sealing ring 25 is embedded in the second annular groove, and the bottom cover opening of the sealing cover body 21 is sealed by the second sealing ring 25. The peripheral part of the ring is tightly connected between the second sealing ring 25 and the groove wall of the second annular groove.

According to a further embodiment of the present invention, the outer diameter of the upper ring body 241 is larger than the outer diameter of the lower ring body 242 , so that the lower bottom surface of the upper ring body 241 abuts against the outer surface of the humidity chamber main body 1 . Thus, the positioning and installation of the end cover 24 is facilitated.

According to a further embodiment of the present invention, the sealing cover body 21 is a flexible sealing cover. Thus, during the friction and wear test, the jig 3 can move in the vertical direction and the horizontal direction.

According to a further embodiment of the present invention, the sealing cover body 21 is made of PA film. The PA film has certain flexibility, and the fixture 3 can move vertically and horizontally; the light transmittance of the PA film is high, which is convenient for observing the specific position of the fixture 3; The water droplets have an adsorption effect to prevent the water droplets from falling onto the test area.

According to a further embodiment of the present invention, a buffer sheet 8 is also included, and the buffer sheet 8 is arranged between the load cell 4 and the clamp sleeve 22 . By setting the buffer sheet 8, the load cell 4 can be protected, and at the same time, the installation and connection of the load cell 4 and the sealing cover assembly 2 are also facilitated.

According to some embodiments of the present invention, the humidity chamber main body 1 is provided with a humidity sensor installation hole 12, and the humidity sensor is installed in the humidity sensor installation hole 12, which is convenient for installation.

According to some embodiments of the present invention, the humidity chamber body 1 is provided with a threaded hole 13 for connecting a humidity generator. Through the threaded hole 13, a humidity generator can be conveniently connected externally, so as to adjust the humidity condition in the humidity chamber.

It should be noted that, in some embodiments, among the parts constituting a relatively closed humidity chamber, except for the sealing cover body 21, the rest of the parts are all made of ultra-high molecular polyethylene, which can improve the corrosion resistance of the humidity chamber and reduce the The weight of the humidity chamber.

In some embodiments, the wall thickness of all parts is greater than 5mm, so as to ensure that the parts have sufficient strength.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (15)

1. a kind of humidity chamber device of linear reciprocating friction-wear test characterized by comprising

Humidity cavity main body, the humidity cavity main body limit humidity chamber, and the humidity cavity main body is equipped with to be connected with the humidity chamber Logical upper open and lower open mouth；

Shade assembly is sealed, the sealing shade assembly is covered at described open and is tightly connected with the humidity cavity main body；

Fixture, the upper end of the fixture are fixed on the medial surface of the sealing shade assembly, and the lower end of the fixture can be from described Upper opening protrudes into the humidity chamber, and for fixed upper test specimen, the fixture can be upper and lower and be moved horizontally for the lower end of the fixture；

Load cell, the load cell are arranged on the lateral surface of the sealing shade assembly and are located at the upper of the fixture Side, for measuring the loading force being applied on the fixture；

Humidity sensor, the humidity sensor are mounted on the humidity cavity main body, for measuring the humidity of the humidity chamber；

Mounting base, the mounting base close the lower open mouth of the humidity cavity main body；

Reciprocal driving platform, the reciprocal driving platform are located at the lower section of the fixture, the reciprocal driving platform can straight line it is past It is movably arranged in the mounting base again, to drive the lower test specimen being fixed on the reciprocal driving platform relative to being fixed on Upper test specimen on the fixture lower end does linear reciprocation fricting movement.

2. the humidity chamber device of linear reciprocating friction-wear test according to claim 1, which is characterized in that the peace Dress seat is equipped with the straight extended along the longitudinal direction, and the reciprocal driving platform includes guide block portion and is connected to the guide block Platform part on the upper surface in portion, the guide block portion are mounted in the straight and can do straight line along the straight It moves back and forth.

3. the humidity chamber device of linear reciprocating friction-wear test according to claim 2, which is characterized in that further include Sealing block, the sealing block are equipped with straight line slide opening；The upper surface of the mounting base is equipped with cavity, and the straight is located at described On the bottom wall body of cavity；The sealing block is arranged in accordingly in the cavity, and the straight line slide opening of the sealing block with it is described Straight is corresponding；The guide block portion is mounted in the straight line slide opening and the straight and can do along the longitudinal direction straight Line moves back and forth.

4. the humidity chamber device of linear reciprocating friction-wear test according to claim 3, which is characterized in that described close It is gap-matched between envelope block and the reciprocal driving platform.

5. the humidity chamber device of the linear reciprocating friction-wear test described in any one of according to claim 1, feature It is, the mounting base is arranged in the lower open mouth, the inner sidewall of the lateral wall of the mounting base and the humidity cavity main body Between be gap-matched.

6. the humidity chamber device of the linear reciprocating friction-wear test described in any one of according to claim 1, feature It is, the mounting base is arranged in the lower open mouth, on the inner wall of the humidity cavity main body and is being close in the lower open mouth Place is equipped with bulge loop, and the bulge loop is located on the top of the mounting base, the mounting base by fastener by the mounting base and The bulge loop fastening.

7. the humidity chamber device of linear reciprocating friction-wear test described in any one of -6 according to claim 1, special Sign is that the sealing shade assembly includes sealing cover body, fixture set and end cap, difference at the top and bottom of the sealing cover body Equipped with overhead guard mouth and bottom cover mouth, the fixture set seals the overhead guard mouth, and the upper end of the fixture is fixed on the fixture set On medial surface, the bottom cover mouth of the sealing cover body is connected to the upper opening and the lower end of the sealing cover body passes through The end cap and the humidity cavity main body are tightly connected.

8. the humidity chamber device of linear reciprocating friction-wear test according to claim 7, which is characterized in that the folder Tool set includes top plate and the coaming plate extended downwardly from the periphery of the top plate, the lower circumference of the coaming plate and the sealing cover body The overhead guard mouth circumference by the first sealing ring be tightly connected, the upper end of the fixture is fixed on the medial surface of the top plate On.

9. the humidity chamber device of linear reciprocating friction-wear test according to claim 7, which is characterized in that the end Lid includes the upper ring body and lower ring body being coaxially connected up and down, and the upper ring body passes through the second sealing ring and the sealing cover body The circumference of the bottom cover mouth is tightly connected, and the inner peripheral surface of the outer peripheral surface of the lower ring body and the upper opening, which seals, to be cooperated, described Fixture passes through the upper ring body and the lower ring body.

10. the humidity chamber device of linear reciprocating friction-wear test according to claim 9, which is characterized in that described The outer diameter of upper ring body is greater than the outer diameter of the lower ring body, so that the bottom surface of the upper ring body is resisted against the humidity On the outer surface of cavity main body.

11. the humidity chamber device of linear reciprocating friction-wear test according to claim 7, which is characterized in that described Sealing cover body is flexible seal cover.

12. the humidity chamber device of linear reciprocating friction-wear test according to claim 11, which is characterized in that described Sealing cover body is made of PA film.

13. the humidity chamber device of linear reciprocating friction-wear test according to claim 7, which is characterized in that also wrap Buffer substrate tablet is included, the buffer substrate tablet setting is between the load cell and fixture set.

14. the humidity chamber device of linear reciprocating friction-wear test described in any one of -6 according to claim 1, special Sign is that the humidity cavity main body is equipped with humidity sensor mounting hole, and the humidity sensor is mounted on the humidity sensor In device mounting hole.

15. the humidity chamber device of linear reciprocating friction-wear test described in any one of -6 according to claim 1, special Sign is that the humidity cavity main body is equipped with the threaded hole for connecting humidity generator.