CN217304848U - Testing machine for measuring friction coefficient - Google Patents
Testing machine for measuring friction coefficient Download PDFInfo
- Publication number
- CN217304848U CN217304848U CN202220758274.7U CN202220758274U CN217304848U CN 217304848 U CN217304848 U CN 217304848U CN 202220758274 U CN202220758274 U CN 202220758274U CN 217304848 U CN217304848 U CN 217304848U
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- wall
- friction
- fixed
- sliding
- clamping
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000003825 pressing Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a test machine for determining coefficient of friction, include: survey test panel and four landing legs, four the landing leg welds respectively and surveys four corners of test panel bottom outer wall, the top outer wall of surveying test panel is provided with two extension boards through the fix with screw respectively, has a spacing post through the fix with screw between two extension boards, and has seted up the draw-in groove at spacing capital portion, survey test panel top outer wall central authorities be fixed with the friction backing plate, and the friction backing plate places perpendicularly between two extension boards, survey test panel top and seted up the spout, and two spouts parallel position respectively in the both sides of friction backing plate, there is the slip body frame through sliding connection in the spout, slip body frame top is equipped with the mechanism of exerting pressure, landing leg one side outer wall is equipped with pushing mechanism. The utility model discloses can report and guarantee that the device provides stable pressure when testing coefficient of friction to the test piece, make it measure the coefficient of friction accuracy and show the promotion.
Description
Technical Field
The utility model relates to a survey coefficient of friction field especially relates to a test machine for surveying coefficient of friction.
Background
The friction tester is suitable for measuring the static friction coefficient and the dynamic friction coefficient of plastic films and sheets (or other similar materials), is matched with control software, and can print a slide block motion curve and a test report. The instrument is widely applied to the packaging industry, inspection institutions and other departments, needs to test the friction coefficient of a new material when researching and developing the new material, and is one of important factors influencing the friction coefficient by stably applying pressure in the process of testing the friction coefficient. However, the existing testing machine has uneven pressure, which causes the measured friction coefficient to be inaccurate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test machine for determining coefficient of friction to solve the above-mentioned weak point among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a testing machine for determining a coefficient of friction, comprising: survey test panel and four landing legs, four the landing leg welds respectively and surveys four corners of testing the panel bottom outer wall, the top outer wall of surveying the panel is provided with two extension boards through fix with screw respectively, has spacing post through the fix with screw between two extension boards, and has seted up the draw-in groove at spacing post top, survey test panel top outer wall central authorities and be fixed with the friction backing plate, and the friction backing plate places perpendicularly between two extension boards, survey the panel top and seted up the spout, and two spouts parallel bit respectively the both sides of friction backing plate, there is the slip body frame through sliding connection in the spout, slip body frame top is equipped with the mechanism of exerting pressure, landing leg one side outer wall is equipped with pushing mechanism.
As a further description of the above technical solution:
the pressing mechanism comprises a fixing block, the fixing block is connected to the outer wall of the top of the sliding main frame through screws, a limiting block is fixed to the outer wall of one side of the fixing block, a limiting clamping hole is formed in the limiting block, a clamping block is fixed to the inner wall of the limiting clamping hole, the limiting block is sleeved on the outer wall of the limiting column, and the clamping block of the inner wall of the limiting clamping hole is connected with a clamping groove of the limiting column in a sliding mode.
As a further description of the above technical solution:
the electric telescopic rod is fixed at the top of the limiting block, the bottom pressure rod of the electric telescopic rod penetrates through the limiting block and is located on the outer wall of the bottom of the limiting block, the pressing plate is fixed at the bottom of the electric telescopic rod, and the pressing plate is located right above the friction base plate.
As a further description of the above technical solution:
the sliding main frame is characterized in that two sides of the inner wall of the sliding main frame are respectively connected with two sliding hole columns through screws, two movable columns are inserted into the sliding hole columns, the outer wall of one side of each movable column is respectively connected with clamping plates through screws, and the two clamping plates are symmetrically distributed on two sides of the friction base plate.
As a further description of the above technical solution:
the outer wall of one side of the clamping plate and the inner wall of one side of the sliding main frame are provided with springs, the springs are positioned right above the sliding hole columns, and the two clamping plates are positioned right below the pressing plate.
As a further description of the above technical solution:
the pushing mechanism comprises a motor, a push rod is fixed on the motor through a coupler, and the push rod is fixed with the outer wall of one side of the sliding main frame through a screw.
The utility model provides a test machine for determining coefficient of friction. The method has the following beneficial effects:
when the friction coefficient is measured on the test body, the object block is fixed between the clamping plates, the clamping plates are clamped by the appointed test body under the thrust of the springs on the two sides, the device is not influenced by the volume of the test body to be tested, the flexible use of the device is facilitated, the sliding main frame drives the test block and the pressing mechanism to move simultaneously, the test block is enabled to be guaranteed to bear the pressure of the pressing plate right above all the time when moving, the test body is evenly stressed when moving during measurement, the problem that the friction coefficient measured by the measurement body is inaccurate due to unstable pressure is avoided, the use of a test machine of the friction coefficient is influenced, the accuracy of measuring the friction coefficient is remarkably improved when the measurement body is stably placed during measurement, and the stability and the accuracy of the device are improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a testing machine for measuring a friction coefficient according to the present invention;
fig. 2 is a schematic diagram of an internal cross-sectional structure of a testing machine for measuring a friction coefficient according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic structural view of the sliding main frame of the testing machine for measuring the friction coefficient according to the present invention.
Illustration of the drawings:
1. a test board; 2. rubbing the backing plate; 3. a limiting column; 4. sliding the main frame; 5. an electric telescopic rod; 6. a limiting block; 7. a support plate; 8. a motor; 9. a support leg; 10. a push rod; 11. a chute; 13. pressing a plate; 14. a splint; 15. a spring; 16. a movable post; 17. a sliding hole column; 18. a fixed block; 19. and limiting clamping holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a test machine for determining coefficient of friction, including surveying test panel 1 and four landing legs 9, four landing legs 9 weld respectively at survey test panel 1 bottom outer wall's four corners, survey test panel 1's top outer wall and be provided with two extension boards 7 through the fix with screw respectively, there is spacing post 3 through the fix with screw between two extension boards 7, and spacing post 3 top has seted up the draw-in groove, survey test panel 1 top outer wall central authorities and be fixed with friction backing plate 2, and friction backing plate 2 places perpendicularly between two extension boards 7, survey test panel 1 top and seted up spout 11, and two spout 11 are parallel in the both sides of friction backing plate 2 respectively, there is slip body frame 4 through sliding connection in the spout 11, 4 tops of slip body frame are equipped with the mechanism of exerting pressure, landing leg 9 one side outer wall is equipped with pushing mechanism.
Further, the mechanism of exerting pressure includes fixed block 18, and fixed block 18 passes through the screw connection at the top outer wall of slip body frame 4, and 18 one side outer walls of fixed block are fixed with spacing piece 6, and 6 inside division of spacing calorie of hole 19 have, and the fixed fixture block that is fixed with of 19 inner walls of spacing calorie of hole, and 6 outer walls at spacing post 3 of cup jointing of spacing piece, and the draw-in groove sliding connection that the fixture block and spacing post 3 of 19 inner walls of spacing calorie of hole were seted up.
Furthermore, an electric telescopic rod 5 is fixed at the top of the limiting block 6, a pressing rod at the bottom of the electric telescopic rod 5 penetrates through the limiting block 6 and is located on the outer wall of the bottom of the limiting block 6, a pressing plate 13 is fixed at the bottom of the electric telescopic rod 5, and the pressing plate 13 is located right above the friction base plate 2.
Further, two sides of the inner wall of the sliding main frame 4 are respectively connected with two sliding hole columns 17 through screws, movable columns 16 are inserted into the two sliding hole columns 17, the outer wall of one side of each of the two movable columns 16 is respectively connected with clamping plates 14 through screws, and the two clamping plates 14 are symmetrically distributed on two sides of the friction base plate 2.
Further, springs 15 are arranged on the outer wall of one side of the clamping plate 14 and the inner wall of one side of the sliding main frame 4, the springs 15 are located right above the sliding hole columns 17, and the two clamping plates 14 are located right below the pressing plate 13.
Further, the pushing mechanism comprises a motor 8, the motor 8 is fixed with a push rod 10 through a coupler, and the push rod 10 is fixed with the outer wall of one side of the sliding main frame 4 through a screw.
The implementation principle of the testing machine for measuring the friction coefficient in the embodiment of the application is as follows: the support plates 7 are shifted, the test block is arranged between the two support plates 7, under the action of the reset elasticity of the spring 15, the support plates 7 and the movable columns 16 inserted in the sliding hole columns 17 move towards the clamping direction to stably clamp the test block, the bottom of the test block is contacted with the friction backing plate 2, the electric telescopic rod 5 is pressed down to push the pressing plate 13 to press the test block, the push rod 10 is driven under the action of the motor 8 to push the sliding main frame 4, so that the fixing blocks 18 fixed with the sliding main frame 4 move simultaneously, the fixing blocks 18 drive the limiting blocks 6 to slide on the limiting columns 3, the stability of the device is ensured, when the sliding main frame 4 moves, the testing blocks are simultaneously pushed to move on the friction backing plate 2, so that the testing blocks are blocked to move under the pressure of the top pressure applying mechanism and the friction backing plate 2 under the uniform friction force, and the stability test is carried out on the test block, so that the accuracy of the device for measuring the friction coefficient of the test block is ensured.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. A testing machine for determining a coefficient of friction, comprising: the test board (1) and four legs (9), the four legs (9) are respectively welded at four corners of the outer wall of the bottom of the test board (1), the outer wall of the top of the test board (1) is respectively fixed with two support plates (7) through screws, a limiting column (3) is fixed between the two support plates (7) through screws, the top of the limiting column (3) is provided with a clamping groove, the center of the outer wall of the top of the test board (1) is fixed with a friction backing plate (2), the friction backing plate (2) is vertically arranged between the two support plates (7), the top of the test plate (1) is provided with a sliding groove (11), and the two sliding chutes (11) are respectively positioned on the two sides of the friction backing plate (2) in parallel, the inner part of the sliding groove (11) is connected with a sliding main frame (4) through sliding, a pressing mechanism is arranged at the top of the sliding main frame (4), and a pushing mechanism is arranged on the outer wall of one side of the supporting leg (9).
2. The testing machine for measuring the friction coefficient is characterized in that the pressing mechanism comprises a fixed block (18), the fixed block (18) is connected to the outer wall of the top of the sliding main frame (4) through a screw, a limiting block (6) is fixed to the outer wall of one side of the fixed block (18), a limiting clamping hole (19) is formed in the limiting block (6), a clamping block is fixed to the inner wall of the limiting clamping hole (19), the limiting block (6) is sleeved on the outer wall of the limiting column (3), and the clamping block on the inner wall of the limiting clamping hole (19) is in sliding connection with a clamping groove formed in the limiting column (3).
3. The testing machine for measuring the friction coefficient as claimed in claim 2, characterized in that the top of the limiting block (6) is fixed with the electric telescopic rod (5), the bottom pressure rod of the electric telescopic rod (5) penetrates through the limiting block (6) and is located on the outer wall of the bottom of the limiting block (6), the bottom of the electric telescopic rod (5) is fixed with the pressing plate (13), and the pressing plate (13) is located right above the friction backing plate (2).
4. The testing machine for testing the friction coefficient is characterized in that two sides of the inner wall of the sliding main frame (4) are respectively connected with two sliding hole columns (17) through screws, movable columns (16) are inserted into the two sliding hole columns (17), clamping plates (14) are respectively connected to the outer wall of one side of each movable column (16) through screws, and the two clamping plates (14) are symmetrically distributed on two sides of the friction base plate (2).
5. A tester for measuring friction coefficient according to claim 4, characterized in that the outer wall of one side of the clamping plate (14) and the inner wall of one side of the sliding main frame (4) are provided with springs (15), the springs (15) are positioned right above the sliding hole columns (17), and the two clamping plates (14) are positioned right below the pressing plate (13).
6. The testing machine for measuring the friction coefficient is characterized in that the pushing mechanism comprises a motor (8), a push rod (10) is fixed on the motor (8) through a coupler, and the push rod (10) is fixed on the outer wall of one side of the sliding main frame (4) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758274.7U CN217304848U (en) | 2022-04-03 | 2022-04-03 | Testing machine for measuring friction coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758274.7U CN217304848U (en) | 2022-04-03 | 2022-04-03 | Testing machine for measuring friction coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217304848U true CN217304848U (en) | 2022-08-26 |
Family
ID=82937465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220758274.7U Expired - Fee Related CN217304848U (en) | 2022-04-03 | 2022-04-03 | Testing machine for measuring friction coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217304848U (en) |
-
2022
- 2022-04-03 CN CN202220758274.7U patent/CN217304848U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |