CN213022701U - Loading device for fretting friction wear testing machine - Google Patents
Loading device for fretting friction wear testing machine Download PDFInfo
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- CN213022701U CN213022701U CN202021511426.0U CN202021511426U CN213022701U CN 213022701 U CN213022701 U CN 213022701U CN 202021511426 U CN202021511426 U CN 202021511426U CN 213022701 U CN213022701 U CN 213022701U
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- lead screw
- loading device
- friction wear
- sensor
- fretting friction
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Abstract
The utility model provides a loading device for a fretting friction wear testing machine, which comprises a bracket and a lead screw, wherein the lead screw is arranged on the bracket through a fixed cross beam, and can move up and down on the fixed cross beam through a lead screw nut; the lower end of the lead screw penetrates through the lead screw sliding seat and is connected with the sensor connecting piece, the lower end of the sensor connecting piece is provided with a three-dimensional force sensor, the lower end of the three-dimensional force sensor is provided with a sample ball clamp, and a sample ball is arranged in the sample ball clamp. The utility model has simple structure, fixes the position of the lead screw by the fixed beam, and loads the force in the vertical direction on the sample by rotating the lead screw; the utility model discloses set up the lead screw slide to guarantee the stability that the lead screw reciprocated, guarantee the power of lead screw loading on the sample on the vertical direction.
Description
Technical Field
The utility model belongs to the technical field of the testing machine technique and specifically relates to a loading device for fine motion friction wear testing machine.
Background
At present, most of devices adopted in friction and wear tests adopt ball-disc type or pin-disc type friction testing machines, and taking the pin-disc type friction testing machine as an example, the traditional pin-disc type friction testing machine rotates a disc and does not move the pin during working.
For example, chinese patent document CN103308409A discloses a rotating disc type multi-sample synchronous friction and wear test device, which includes a driving device for outputting torque, a friction disc fixed on the output end of the driving device, a grinding head eccentrically disposed above the friction disc, and a Z-direction loading device assembled on the grinding head, wherein the friction disc is composed of a disc body and a test piece fixed thereon, so that the disc body of the friction disc is used as a movable seat for mounting the test piece, and the corresponding grinding head is used as a reference member for testing.
During the test, drive the sample piece revolution through drive arrangement, Z can compress tightly the bistrique on the sample piece to the loading device simultaneously, along with the rotation of friction disc, the bistrique constantly rubs on the surface of friction disc, connect the frictional force data between friction disc and the bistrique in the test procedure by the sampling on the loading device of Z again, gather the real-time current data in the test procedure through pasting resistance card and friction disc and the power and the signal acquisition circuit who is connected on the friction disc of establishing on the friction disc and friction disc, and with frictional force data and current data transmission to the computer, calculate the coefficient of friction disc by the computer.
Disclosure of Invention
To prior art not enough, the utility model provides a loading device for fine motion friction wear testing machine.
The technical scheme of the utility model is that: a loading device for a fretting friction wear testing machine comprises a support and a lead screw, wherein the lead screw is arranged on the support through a fixed cross beam and can move up and down on the fixed cross beam through a lead screw nut; the lower end of the lead screw penetrates through the lead screw sliding seat and is connected with the sensor connecting piece, the lower end of the sensor connecting piece is provided with a three-dimensional force sensor, and the lower end of the three-dimensional force sensor is provided with a sample ball clamp.
Preferably, the screw is fixed on the screw sliding seat through a screw fixing nut, and the screw sliding seat is connected with a guide rail arranged on the bracket.
Preferably, a connecting disc is further arranged between the sensor connecting piece and the screw sliding seat, the connecting disc is fixed on the screw sliding seat through a fixing bolt, and the sensor connecting piece is fixed on the connecting disc through a fixing bolt.
Preferably, a sensor connecting disc is further arranged between the lower end of the three-dimensional force sensor and the sample ball clamp, and the sample ball clamp is inserted into the sensor connecting disc and locked through a locking nut.
Preferably, the upper end of the screw rod is further provided with a handle, the screw rod is rotated through the handle, and the screw rod moves up and down on the fixed cross beam through a screw rod nut, so that the screw rod sliding seat is driven to move up and down on the guide rail, and the sample ball clamp is driven to move up and down.
The utility model has the advantages that:
1. the utility model has simple structure, fixes the position of the lead screw by the fixed beam, and loads the force in the vertical direction on the sample by rotating the lead screw;
2. the utility model discloses set up the lead screw slide to guarantee the stability that the lead screw reciprocated, guarantee the power of lead screw loading on the sample on the vertical direction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure, 1-bracket, 2-screw rod, 3-fixed beam, 4-screw rod nut, 5-screw rod slide seat, 6-connecting disc, 7-sensor connecting piece, 8-guide rail, 9-sensor connecting disc, 10-sample ball clamp, 11-handle and 12-three-dimensional force sensor.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, a loading device for a fretting friction wear testing machine comprises a support 1 and a screw rod 2, in this embodiment, the support 1 is composed of supports symmetrically arranged 2, and a fixed cross beam 3 is arranged at the upper end of each of the two supports. The lead screw 2 is arranged on the bracket 1 through the fixed cross beam 3, and in the embodiment, the lead screw 2 can move up and down on the fixed cross beam 3 through the lead screw nut 4.
The lower end of the lead screw 2 extends downwards through the lead screw sliding seat 5 and is connected with the connecting disc 6, the connecting disc 6 is fixed on the lead screw sliding seat 5 through a fixing bolt, the lead screw sliding seat 5 is connected with a guide rail 8 arranged on the support 1, and the lead screw 2 is fixed on the lead screw sliding seat 5 through a lead screw fixing nut.
Preferably, the lower end of the connecting disc 6 is provided with a sensor connecting piece 7, and the sensor connecting piece 7 is fixed on the connecting disc 6 through a fixing bolt. The lower end of the sensor connecting piece 7 is provided with a three-dimensional force sensor 12, the lower end of the three-dimensional force sensor 12 is provided with a sample ball clamp 10, and a sample ball is installed in the sample ball clamp 10.
Preferably, a sensor connecting disc 9 is further arranged between the three-dimensional force sensor 12 and the sample ball clamp 10, and the upper end of the sample ball clamp 10 is inserted into the sensor connecting disc 9 and locked by a locking nut.
Preferably, the upper end of the screw rod 2 is further provided with a handle 11, the screw rod 2 is rotated through the handle 11, the screw rod 2 moves up and down on the fixed cross beam 3 through a screw rod nut 4, and therefore the screw rod sliding seat 5 is driven to move up and down on the guide rail 8, and the sample ball clamp 10 is driven to move up and down. The present embodiment applies a force in the vertical direction to the sample by rotating the screw 2.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (9)
1. A loading device for a fretting friction wear testing machine is characterized in that: the device comprises a bracket and a lead screw, wherein the lead screw is arranged on the bracket through a fixed cross beam and can move up and down on the fixed cross beam through a lead screw nut; the lower end of the lead screw penetrates through the lead screw sliding seat and is connected with the sensor connecting piece, the lower end of the sensor connecting piece is provided with a three-dimensional force sensor, and the lower end of the three-dimensional force sensor is provided with a sample ball clamp.
2. The loading device for the fretting friction wear tester according to claim 1, wherein: the lead screw is fixed on the lead screw sliding seat through a lead screw fixing nut.
3. The loading device for the fretting friction wear tester according to claim 2, wherein: the lead screw sliding seat is connected with a guide rail arranged on the bracket.
4. The loading device for the fretting friction wear tester according to claim 1, wherein: and a connecting disc is also arranged between the sensor connecting piece and the lead screw sliding seat.
5. The loading device for the fretting friction wear tester according to claim 4, wherein: the connecting disc is fixed on the screw slide seat through a fixing bolt.
6. The loading device for the fretting friction wear tester according to claim 4, wherein: the sensor connecting piece is fixed on the connecting disc through a fixing bolt.
7. The loading device for the fretting friction wear tester according to claim 1, wherein: and a sensor connecting disc is also arranged between the three-dimensional force sensor and the sample ball clamp.
8. The loading device for the fretting friction wear tester according to claim 7, wherein: and the sample ball clamp is inserted into the sensor connecting disc and is locked by a locking nut.
9. The loading device for the fretting friction wear tester according to claim 1, wherein: the upper end of the screw rod is also provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021511426.0U CN213022701U (en) | 2020-07-28 | 2020-07-28 | Loading device for fretting friction wear testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021511426.0U CN213022701U (en) | 2020-07-28 | 2020-07-28 | Loading device for fretting friction wear testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022701U true CN213022701U (en) | 2021-04-20 |
Family
ID=75459805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021511426.0U Active CN213022701U (en) | 2020-07-28 | 2020-07-28 | Loading device for fretting friction wear testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022701U (en) |
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2020
- 2020-07-28 CN CN202021511426.0U patent/CN213022701U/en active Active
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