CN220304718U - Friction force measuring device of reciprocating friction testing machine - Google Patents
Friction force measuring device of reciprocating friction testing machine Download PDFInfo
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- CN220304718U CN220304718U CN202321878430.4U CN202321878430U CN220304718U CN 220304718 U CN220304718 U CN 220304718U CN 202321878430 U CN202321878430 U CN 202321878430U CN 220304718 U CN220304718 U CN 220304718U
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of friction testing machines, in particular to a friction force measuring device of a reciprocating friction testing machine, which comprises a workbench, wherein a reciprocating motion component capable of reciprocating left and right is fixedly connected to the top of the workbench; the top of the reciprocating motion assembly is provided with a lower sample clamping assembly, and an upper connecting frame is arranged above the reciprocating motion assembly; the upper connecting frame is provided with a micro-moving shaft and a friction force sensor, the micro-moving shaft can slide left and right relative to the upper connecting frame, and a force measuring point of the friction force sensor is connected with the micro-moving shaft; the micro-moving shaft is fixedly connected with a micro-moving block which is movably connected with the upper connecting frame; the micro-motion block is also connected with a loading rod which can slide up and down relative to the upper connecting frame; the bottom of the loading rod is fixedly connected with an upper sample clamping assembly, and the top of the loading rod is connected with a loading plate; the utility model does not need the friction force sensor to move along with the reciprocating motion assembly, the accuracy is high during friction force measurement, and the service life of the friction force sensor is longer.
Description
Technical Field
The utility model relates to the technical field of friction testing machines, in particular to a friction force measuring device of a reciprocating friction testing machine.
Background
The friction force of the friction wear testing machine is a necessary measurement item in the testing process, no matter what friction type, the specific method adopts a load sensor to measure, a set of friction force measuring mechanism is usually required to be designed according to the movement mode of a friction pair to measure the friction force, and the measuring mode has simple structure and high accuracy.
At present, the known friction force measuring mode of the reciprocating friction testing machine is that a friction force sensor is directly connected with a reciprocating motion assembly, the friction force sensor follows reciprocating motion, the measuring mode can be influenced by inertia force, the accuracy is low, and meanwhile the service life of the sensor can be influenced.
Disclosure of Invention
The utility model mainly aims to provide a friction force measuring device of a reciprocating friction testing machine, which is used for solving the problems that a friction force sensor is affected by inertia force, the accuracy is low and the service life of the sensor is also affected when the friction force of the reciprocating friction testing machine is measured in the prior art.
In order to achieve the above purpose, the utility model provides a friction force measuring device of a reciprocating friction testing machine, which comprises a workbench, wherein the top of the workbench is fixedly connected with a reciprocating motion assembly capable of reciprocating left and right; the top of the reciprocating motion assembly is provided with a lower sample clamping assembly, and an upper connecting frame is arranged above the reciprocating motion assembly; the upper connecting frame is provided with a micro-moving shaft and a friction force sensor, the micro-moving shaft can slide left and right relative to the upper connecting frame, and a force measuring point of the friction force sensor is connected with the micro-moving shaft; the micro-moving shaft is fixedly connected with a micro-moving block which is movably connected with the upper connecting frame; the micro-motion block is also connected with a loading rod which can slide up and down relative to the upper connecting frame; the bottom of the loading rod is fixedly connected with an upper sample clamping assembly, and the top of the loading rod is connected with a loading plate.
Further, the micro-motion shaft is connected with the upper connecting frame through a linear bearing.
Further, the number of the loading rods is 2, and the loading rods are connected with the micro-motion blocks through linear bearings.
Further, the upper connecting frame is connected with the workbench through a support plate.
According to the utility model, the micro-moving shaft and the micro-moving block are arranged, friction force is transmitted to the friction force sensor through the micro-moving shaft and the micro-moving block, the friction force sensor does not need to move along with the reciprocating motion assembly, the friction force sensor cannot be influenced by inertia force during friction force measurement, the accuracy is high, and the service life of the friction force sensor is longer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of a cross-sectional structure of an embodiment;
FIG. 2 is a schematic diagram of a cross-sectional structure of a second embodiment;
fig. 3 is a schematic perspective view of an embodiment.
In the figure: 1. a work table; 2. a reciprocating assembly; 3. a lower sample clamping assembly; 4. an upper connecting frame; 5. a micro-axis; 6. a friction force sensor; 7. a loading rod; 8. a sample loading and clamping assembly; 9. a loading plate; 10. a micro-motion block; 11. and a support plate.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 3, according to an embodiment of the present utility model, there is provided a friction force measuring device of a reciprocating friction testing machine, including a table 1, a reciprocating motion assembly 2 capable of reciprocating left and right is fixedly connected to the top of the table 1; the reciprocating motion assembly 2 adopts a crank sliding block mechanism, a lower sample clamping assembly 3 is arranged at the top of the reciprocating motion assembly 2, the reciprocating motion assembly 2 drives the lower sample clamping assembly 3 to reciprocate, an upper connecting frame 4 is arranged above the reciprocating motion assembly 2, and the upper connecting frame 4 is connected with the workbench 1 through a support plate 11; the upper connecting frame 4 is provided with a micro-motion shaft 5 and a friction force sensor 6, the friction force sensor 6 is an S-shaped pulling and pressing bidirectional load sensor, the micro-motion shaft 5 is connected with the upper connecting frame 4 through a linear bearing, the micro-motion shaft 5 can slide left and right relative to the upper connecting frame 4, and a force measuring point of the friction force sensor 6 is connected with the micro-motion shaft 5; the micro-motion shaft 5 is fixedly connected with a micro-motion block 10, and the micro-motion block 10 is movably connected with the upper connecting frame 4; the micro-motion block 10 is also connected with 2 loading rods 7 through linear bearings, and the loading rods 7 can slide up and down relative to the upper connecting frame 4; the bottom of the loading rod 7 is fixedly connected with an upper sample clamping assembly 8, and the top is connected with a loading plate 9.
The working principle of the embodiment is as follows:
the sample is clamped on the upper sample clamping assembly 8 and the lower sample clamping assembly 3; when the upper and lower samples are contacted in the reciprocating test process, a load is applied to the loading plate 9, and the loading plate 9 can move up and down; when the reciprocating motion assembly 2 drives the lower sample to reciprocate, the friction force generated by the friction of the upper and lower samples is transmitted by the micro-motion block 11, and the micro-motion shaft 5 fixed with the micro-motion block 11 can perform left and right micro-motion, so that the friction sensor 6 is pulled or pressed; the friction force during the friction process was measured.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The friction force measuring device of the reciprocating friction testing machine comprises a workbench (1), and is characterized in that a reciprocating motion component (2) capable of reciprocating left and right is fixedly connected to the top of the workbench (1); the top of the reciprocating motion assembly (2) is provided with a lower sample clamping assembly (3), and an upper connecting frame (4) is arranged above the reciprocating motion assembly (2); the upper connecting frame (4) is provided with a micro-motion shaft (5) and a friction force sensor (6), the micro-motion shaft (5) can slide left and right relative to the upper connecting frame (4), and a force measuring point of the friction force sensor (6) is connected with the micro-motion shaft (5); a micro-motion block (10) is fixedly connected to the micro-motion shaft (5), and the micro-motion block (10) is movably connected with the upper connecting frame (4); the micro-motion block (10) is also connected with a loading rod (7), and the loading rod (7) can slide up and down relative to the upper connecting frame (4); the bottom of the loading rod (7) is fixedly connected with an upper sample clamping assembly (8), and the top of the loading rod is connected with a loading plate (9).
2. Friction measuring device of a reciprocating friction testing machine according to claim 1, characterized in that the micro-axis (5) is connected with the upper connecting frame (4) by means of a linear bearing.
3. The friction measuring device of a reciprocating friction testing machine according to claim 1, characterized in that the number of loading rods (7) is 2, and the loading rods (7) are connected with the micro-motion blocks (10) through linear bearings.
4. The friction measuring device of a reciprocating friction testing machine according to claim 1, characterized in that the upper connecting frame (4) is connected with the workbench (1) through a support plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321878430.4U CN220304718U (en) | 2023-07-18 | 2023-07-18 | Friction force measuring device of reciprocating friction testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321878430.4U CN220304718U (en) | 2023-07-18 | 2023-07-18 | Friction force measuring device of reciprocating friction testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304718U true CN220304718U (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321878430.4U Active CN220304718U (en) | 2023-07-18 | 2023-07-18 | Friction force measuring device of reciprocating friction testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304718U (en) |
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2023
- 2023-07-18 CN CN202321878430.4U patent/CN220304718U/en active Active
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