CN209841586U - Disc friction pair friction wear test bed - Google Patents
Disc friction pair friction wear test bed Download PDFInfo
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- CN209841586U CN209841586U CN201920106504.XU CN201920106504U CN209841586U CN 209841586 U CN209841586 U CN 209841586U CN 201920106504 U CN201920106504 U CN 201920106504U CN 209841586 U CN209841586 U CN 209841586U
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Abstract
The utility model discloses a friction and wear test bed for a disk friction pair, which comprises a base, a three-way sliding positioning and loading device, a liquid pool and a main drive variable speed motor; the three-way sliding positioning loading device comprises a lifting sliding block fixed on the base through a lifting sliding guide rail; the lower end of the lifting sliding block is fixedly connected with a vertical sliding guide rail which is in matched connection with the vertical sliding block; the dovetail groove at the bottom of the vertical sliding block is movably connected with the transition connecting block through a transverse sliding guide rail; the bottom of the transition connecting block is fixedly connected with the pressure sensor and the transverse sliding block in sequence; the bottom of the transverse sliding block is sequentially connected with the clamping piece, the connecting chuck and the loading disc through a buffer spring; the torque sensor is sleeved at the upper end of the loading disc, and the lower end of the torque sensor is in contact connection with a measured object in the liquid pool; the main driving variable-speed motor is fixed in the bottom of the base and is connected with the rotating main shaft through the meshing of the first bevel gear and the second bevel gear; the top of the rotary main shaft is connected with a liquid pool for accommodating the measured object.
Description
Technical Field
The utility model belongs to a technical field of friction and wear test, concretely relates to vice friction and wear test platform of dish friction.
Background
In the modern times, most friction-friction wear test beds are designed based on a ball disc friction pair, a reciprocating motion friction pair and a ring block friction pair in structure and function, so that the influence of friction modes such as disc friction on engineering in practice is ignored to a great extent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the aforesaid among the prior art not enough, provide a vice friction wear test platform of dish friction to solve or improve above-mentioned problem.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a friction wear test bed for a disk friction pair comprises a base, a three-way sliding positioning loading device, a liquid pool and a main drive variable speed motor;
the three-way sliding positioning loading device comprises a lifting sliding block fixed on the base through a lifting sliding guide rail; the lower end of the lifting sliding block is fixedly connected with a vertical sliding guide rail which is in matched connection with the vertical sliding block; the dovetail groove at the bottom of the vertical sliding block is movably connected with the transition connecting block through a transverse sliding guide rail; the bottom of the transition connecting block is fixedly connected with the pressure sensor and the transverse sliding block in sequence; the bottom of the transverse sliding block is sequentially connected with the clamping piece, the connecting chuck and the loading disc through a buffer spring; the torque sensor is sleeved at the upper end of the loading disc, and the lower end of the torque sensor is in contact connection with a measured object in the liquid pool;
the main driving variable-speed motor is fixed in the bottom of the base and is connected with the rotating main shaft through the meshing of the first bevel gear and the second bevel gear; the top of the rotary main shaft is connected with a liquid pool for accommodating the measured object.
Preferably, the base is L-shaped, and the three-way sliding positioning loading device is fixed on the inner side of the L-shaped base.
Preferably, the rotating spindle passes through the base and is connected to the liquid bath by thrust roller bearings.
Preferably, a low-temperature module or a high-temperature module is sleeved along the periphery of the liquid pool; and the low-temperature module and the high-temperature module are both provided with semi-covering plates.
Preferably, a high-temperature module is sleeved along the periphery of the liquid pool; a plurality of circles of resistance wires for heating are wound in the high-temperature module, and a data wire socket electrically connected with the resistance wires is arranged outside the high-temperature module.
Preferably, a low-temperature module is sleeved along the periphery of the liquid pool; a spiral channel for injecting a refrigerant medium is formed in the low-temperature module; two through holes which are respectively communicated with the head and the tail of the spiral channel are formed outside the low-temperature module.
Preferably, at least three steps are arranged in the liquid pool from top to bottom.
Preferably, the servo drive motor is internally provided with a servo driver; the servo driver, the pressure sensor and the torque sensor are electrically and electrically connected with a computer through signals.
Preferably, a servo driving motor matched with the lifting sliding block is installed on the base; a servo driving motor matched with the vertical sliding block is arranged on the lifting sliding block; a servo driving motor matched with the transverse sliding block is arranged on the vertical sliding block; the three servo driving motors are respectively in power connection with the lifting sliding block, the vertical sliding block and the transverse sliding block through the matching of the ball screw and the screw nut.
Preferably, a ball screw on a servo drive motor in the lifting sliding block sequentially passes through the transition connecting block and the transverse sliding block and is fixed in the transverse sliding block through a screw nut.
The utility model provides a vice friction wear test platform of dish friction has following beneficial effect:
the utility model discloses on the basis to the vice test bench of current dish friction, design out and to simulate normal atmospheric temperature, high temperature and microthermal vice friction wear test platform of dish friction for record the friction wear situation under the dish friction mode under the measurand under high temperature and low temperature condition.
Drawings
FIG. 1 is a normal temperature structure diagram of a friction wear test bed of a disk friction pair.
FIG. 2 is a high temperature structure diagram of a friction wear test bed of a disk friction pair.
FIG. 3 is a cross-sectional view of a high temperature module of a friction wear test bed of a disk friction pair.
FIG. 4 is a high temperature module structure diagram of a friction wear test bed of a disk friction pair.
FIG. 5 is a low-temperature structure diagram of a friction wear test bed of a disk friction pair.
FIG. 6 is a side view of a low temperature module of a friction wear test stand for a disk friction pair.
FIG. 7 is a longitudinal section of a low-temperature module of a friction wear test bed of a disk friction pair.
FIG. 8 is a cross-sectional view of a low temperature module of a friction wear test bed of a disk friction pair.
FIG. 9 is a three-way sliding positioning loading device structure diagram of a disk friction pair friction wear test bed.
FIG. 10 is a structural diagram of a main drive variable speed motor of a friction pair friction wear test bed of a disk and a disk.
FIG. 11 is a structure diagram of a liquid pool under a high-temperature module of a friction wear test bed of a disk friction pair.
FIG. 12 is a side view of a main drive variable speed motor of a disk friction pair friction wear test bed.
FIG. 13 is a drawing of a disk friction pair friction wear test bed lift slip block.
FIG. 14 is a diagram of a vertical sliding block of a friction pair friction wear test bed of a disk.
FIG. 15 is a liquid pool structure diagram of a friction wear test bed of a disk friction pair.
FIG. 16 is a cross-sectional view of a disk friction pair friction wear test stand.
FIG. 17 is a perspective view of a friction wear test bed for a disk friction pair.
FIG. 18 is a signal feedback diagram of a friction wear test bench of a disk friction pair.
Wherein, 1, a base; 2. a three-way sliding positioning loading device; 3. a measured object; 4. positioning a plate; 5. a high temperature module; 51. a resistance wire; 52. a data line socket; 6. a low temperature module; 61. a through hole; 62. a spiral channel; 7. a servo drive motor; 8. a vertical sliding guide rail; 9. lifting the sliding block; 10. lifting the ball screw; 11. a clamping member; 12. connecting a chuck; 13. loading the disc; 14. a vertical sliding block; 15. a transverse sliding block; 16. a pressure sensor; 17. a buffer spring; 18. a torque sensor; 19. a liquid pool; 191. a step; 20. rotating the main shaft; 21. a second bevel gear; 22. a first bevel gear; 23. a thrust roller bearing; 24. a main drive variable speed motor; 25. a half-cover plate; 26. a lifting sliding guide rail; 27. a lead screw nut; 28. a transition connecting block; 29. a transverse sliding guide rail; 30. a dovetail groove.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to one embodiment of the application, referring to fig. 1, the disk friction pair friction wear test bed of the scheme comprises a base 1, a three-way sliding positioning loading device 2, a liquid pool 19 and a main drive variable speed motor 24.
Wherein, base 1 is the L type, and three-dimensional location loading device 2 that slides is fixed in L type base 1 inboard, is fixed with lift slide rail 26 on the base 1.
Referring to fig. 9, the three-way sliding positioning loading device 2 includes a lifting slide 9, a vertical slide 14, and a lateral slide 15.
Referring to fig. 13, the dovetail groove 30 of the elevation sliding block 9 is engaged with the elevation sliding guide rail 26, so as to guide and fix the elevation sliding block 9 on the base 1. A vertical sliding guide rail 8 which is used for being matched and connected with a vertical sliding block 14 is arranged on the bottom surface of the lifting sliding block 9.
Referring to fig. 14, the dovetail groove 30 at the bottom of the vertical sliding block 14 is movably connected with the transition connecting block 28 through the transverse sliding guide rail 29, and the dovetail groove 30 at the bottom of the vertical sliding block 14 is movably connected with the transition connecting block 28 through the transverse sliding guide rail 29; the bottom of the transition connecting block 28 is fixedly connected with the pressure sensor 16 and the transverse sliding block 15 in sequence; the bottom of the transverse sliding block 15 is sequentially connected with the clamping piece 11, the connecting chuck 12 and the loading disc 13 through a buffer spring 17; the torque sensor 18 is sleeved on the upper end of the loading disc 13, and the lower end of the torque sensor is in contact connection with the measured object 3 in the liquid pool 19.
The buffer spring 17 is positioned between the transverse sliding block 15 and a loading part formed by the clamping piece 11, the connecting chuck 12 and the loading disc 13, and when the loading device generates vertical instantaneous micro displacement due to the influence of the surface roughness and the waviness of a tested piece, the buffer spring 17 can effectively reduce the impact of pressure mutation caused by the instantaneous micro displacement on the pressure sensor 16, so that the acceleration of loading force fluctuation is reduced on one hand, and the pressure sensor 16 is prevented from being damaged under the overlarge instantaneous impact acceleration on the other hand.
Referring to fig. 17, the ball screw of the servo drive motor 7 in the lifting slider 9 passes through the transition connecting block 28 and the lateral slider 15 in turn, and is fixed in the lateral slider 15 by the screw nut 27. Therefore, under the action of the servo drive motor 7 in the lateral sliding block 15, the transition connecting block 28 and the pressure sensor 16 will slide left and right together along the lateral sliding guide rail 29.
The three-way sliding positioning loading device 2 has the working process that:
the lifting sliding block 9 is guided and fixed on the base 1 through a lifting sliding guide rail 26 fixedly connected on the base body and slides up and down under the control of the servo driving motor 7, a vertical sliding guide rail 8 is fixedly connected below the lifting sliding block 9, and the vertical sliding block 14 is guided and fixed through the vertical sliding guide rail 8 and slides vertically on the lifting sliding block 9 under the control of the servo driving motor 7 (the vertical direction is specifically designated as 9, is perpendicular to the direction in the paper and comprises two directions of facing the paper surface and back to the paper surface).
The transition connecting block 28 is provided with a transverse sliding guide rail 29 which is matched with a dovetail groove 30 below the vertical sliding block 14 to generate fixing and guiding effects. The lifting ball screw 10 on the lifting sliding block 9 passes through the transverse sliding block 15 and is in screw fit with the screw nut 27 inside the transverse sliding block, and the transition connecting block 28, the pressure sensor 16 and the transverse sliding block 15 are fixedly connected together, so that under the control of the servo driving motor 7, the connecting block, the pressure sensor 16 and the transverse sliding block 15 can slide left and right along the transverse sliding guide rail 29.
Referring to fig. 10 and 12, a servo driving motor 7 matched with the lifting sliding block 9 is mounted on the base 1; a servo driving motor 7 matched with the vertical sliding block 14 is arranged on the lifting sliding block 9; a servo driving motor 7 matched with the transverse sliding block 15 is arranged on the vertical sliding block 14; the three servo driving motors 7 are respectively in power connection with the lifting sliding block 9, the vertical sliding block 14 and the transverse sliding block 15 through the matching of a ball screw and a screw nut 27.
A servo driver is arranged in the servo driving motor 7; the servo drive, pressure sensor 16 and torque sensor 18 are all in electrical signal communication with a computer.
Wherein the servo driving motor is a 1FT7 servo motor, the torque sensor 18 is a WTQ98B static torque sensor, and the pressure sensor is a PTS402 high-precision strain gauge pressure sensor.
Referring to fig. 18, the computer, the servo driver, the rotor of the servo drive motor 7, and the pressure sensor 16 constitute a negative feedback of a signal. The current pressure value is acquired by the pressure sensor 16 and is transmitted to the computer, the computer further controls the output power of the servo driver and the three servo driving motors 7, the current pressure value is changed and adjusted, and the pressure sensor 16 continuously acquires pressure value signals, so that a signal feedback loop is formed.
A main drive variable speed motor 24 is fixed in the bottom of the base 1, and the main drive variable speed motor 24 is meshed with the second bevel gear 21 through a first bevel gear 22 to realize connection with the rotating main shaft 20; the top of the rotating main shaft 20 is connected with a liquid pool 19 for accommodating the measured object 3.
Referring to fig. 11 and 15, the rotating spindle passes through the base 1 and is connected to the liquid bath by means of thrust roller bearings 23. A low-temperature module 6 or a high-temperature module 5 is sleeved along the periphery of the liquid pool 19; half-coverplates 25 are provided on both the low temperature module 6 and the high temperature module 5. At least three steps 191 are arranged in the liquid pool 19 from top to bottom.
Referring to fig. 2, 3 and 4, according to an embodiment of the present application, a high temperature module 5 is sleeved around the liquid pool 19, a plurality of turns of resistance wires 51 for heating are wound in the high temperature module 5, and a data wire socket 52 electrically connected to the resistance wires 51 is arranged outside the high temperature module 5. The data line is powered on and inserted into the data line socket 52, the resistance wire 51 is heated up, and heat is transferred to the liquid pool 19, so that a high-temperature environment is simulated. Wherein, the utility model discloses a high temperature can be decided according to the actual demand to be not restricted to certain fixed temperature value.
Referring to fig. 5-8, according to an embodiment of the present application, a low temperature module 6 is sleeved along the periphery of the liquid pool 19, a spiral channel 62 for injecting a refrigerant medium is formed in the low temperature module 6, and two through holes 61 are formed outside the low temperature module 6 and respectively communicate with the spiral channel 62 end to end. The cold medium is injected into the spiral channel 62, and the temperature of the liquid pool 19 is gradually reduced based on the heat transfer principle, so as to simulate the low-temperature environment. Wherein, the utility model discloses a low temperature can be decided according to the actual demand to be not restricted to certain fixed temperature value.
Referring to fig. 16 and 17, the working principle of the present invention under normal temperature, high temperature and low temperature environment is:
the main driving variable speed motor 24 rotates to drive the first bevel gear 22 to rotate, and then drives the second bevel gear 21 to rotate due to gear engagement, and the rotating main shaft 20 passes through the opening on the base 1 and the thrust roller bearing 23 and is connected with the liquid pool through a key.
And when the high-temperature module 5 and the low-temperature module 6 are not arranged on the periphery of the liquid pool, the liquid pool is used for simulating a test at normal temperature.
When the periphery of the liquid pool 19 is surrounded by the high-temperature module 5, the liquid pool is used for simulating a test in a high-temperature environment, and after the loading disc 13 presses the tested object 3, an upper cover plate 25 is covered on the upper surface of the high-temperature module 5 so as to ensure that heat energy cannot be dissipated.
When the periphery of the liquid pool 19 is surrounded by the low-temperature module 6, the liquid pool is used for simulating a test in a low-temperature environment, and after the loading disc 13 presses the tested object 3, an upper cover plate 25 is covered on the upper surface of the low-temperature module 6 so as to ensure that heat energy cannot be dissipated.
The heat energy of the high-temperature module 5 is generated by an external power supply, so that the resistance wire 51 wound inside is heated, and the temperature in the cavity is further increased; the low temperature module 6 continuously guides the cold medium into the spiral channel 62 inside the module along the through hole 61 through an additional refrigeration device to realize the refrigeration effect.
In the loading part, the bottom end of the loading disc 13 is contacted with the measured object 3 in the liquid pool 19 through the three-way sliding positioning loading device 2, and the pressure applied to the measured object 3 is collected and monitored by the pressure sensor 16.
Wherein, the friction force between the loading disc 13 and the measured object 3 is measured by a torque sensor 18 arranged below the clamping piece 11, and the detected friction force is transmitted into the computer.
The utility model discloses on the basis to the vice test bench of current dish friction, design out and to simulate normal atmospheric temperature, high temperature and microthermal vice friction wear test platform of dish friction for record under the dish friction mode measured object 3 friction wear situation under high temperature and low temperature condition.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (10)
1. The utility model provides a vice friction wear test platform of dish friction which characterized in that: comprises a base, a three-way sliding positioning loading device, a liquid pool and a main drive variable speed motor;
the three-way sliding positioning loading device comprises a lifting sliding block fixed on the base through a lifting sliding guide rail; the lower end of the lifting sliding block is fixedly connected with a vertical sliding guide rail which is in matched connection with the vertical sliding block; the dovetail groove at the bottom of the vertical sliding block is movably connected with the transition connecting block through a transverse sliding guide rail; the bottom of the transition connecting block is fixedly connected with the pressure sensor and the transverse sliding block in sequence; the bottom of the transverse sliding block is sequentially connected with the clamping piece, the connecting chuck and the loading disc through a buffer spring; a torque sensor is sleeved at the upper end of the loading disc, and the lower end of the loading disc is in contact connection with a measured object in the liquid pool;
the main driving variable-speed motor is fixed in the bottom of the base and is connected with the rotating main shaft through the meshing of the first bevel gear and the second bevel gear; the top of the rotating main shaft is connected with a liquid pool for accommodating a measured object.
2. The disk friction pair friction wear test stand of claim 1, characterized in that: the base is L-shaped, and the three-way sliding positioning loading device is fixed on the inner side of the L-shaped base.
3. The disk friction pair friction wear test stand of claim 1, characterized in that: the rotating main shaft penetrates through the base and is connected with the liquid pool through a thrust roller bearing.
4. The disk friction pair friction wear test stand of claim 1, characterized in that: sleeving a low-temperature module or a high-temperature module along the periphery of the liquid pool; and the low-temperature module and the high-temperature module are respectively provided with a semi-covering plate.
5. The disk friction pair friction wear test stand of claim 1, characterized in that: sleeving a high-temperature module along the periphery of the liquid pool; and a plurality of circles of resistance wires for heating are wound in the high-temperature module, and a data wire socket electrically connected with the resistance wires is arranged outside the high-temperature module.
6. The disk friction pair friction wear test stand of claim 1, characterized in that: sleeving a low-temperature module along the periphery of the liquid pool; a spiral channel for injecting a refrigerant medium is formed in the low-temperature module; two through holes which are respectively communicated with the head and the tail of the spiral channel are formed outside the low-temperature module.
7. The disk friction pair friction wear test stand of claim 1, characterized in that: at least three steps are arranged in the liquid pool from top to bottom.
8. The disk friction pair friction wear test stand of claim 1, characterized in that: a servo driver is arranged in the servo drive motor; and the servo driver, the pressure sensor and the torque sensor are electrically and electrically connected with a computer through signals.
9. The disk friction pair friction wear test stand of claim 1, characterized in that: a servo driving motor matched with the lifting sliding block is arranged on the base; a servo driving motor matched with the vertical sliding block is arranged on the lifting sliding block; a servo driving motor matched with the transverse sliding block is arranged on the vertical sliding block; and the three servo driving motors are respectively in power connection with the lifting sliding block, the vertical sliding block and the transverse sliding block through the matching of the ball screw and the screw nut.
10. The disk friction pair friction wear test stand of claim 1, characterized in that: and a ball screw on a servo drive motor in the lifting sliding block sequentially passes through the transition connecting block and the transverse sliding block and is fixed in the transverse sliding block through a screw nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106504.XU CN209841586U (en) | 2019-01-22 | 2019-01-22 | Disc friction pair friction wear test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106504.XU CN209841586U (en) | 2019-01-22 | 2019-01-22 | Disc friction pair friction wear test bed |
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| Publication Number | Publication Date |
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| CN209841586U true CN209841586U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920106504.XU Active CN209841586U (en) | 2019-01-22 | 2019-01-22 | Disc friction pair friction wear test bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556983A (en) * | 2019-01-22 | 2019-04-02 | 四川大学 | The secondary friction-wear test platform of one discharge plate disk friction |
-
2019
- 2019-01-22 CN CN201920106504.XU patent/CN209841586U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556983A (en) * | 2019-01-22 | 2019-04-02 | 四川大学 | The secondary friction-wear test platform of one discharge plate disk friction |
| CN109556983B (en) * | 2019-01-22 | 2024-02-02 | 四川大学 | Friction and wear test stand for disk friction pair |
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