CN217738965U

CN217738965U - Friction coefficient tester

Info

Publication number: CN217738965U
Application number: CN202221768093.9U
Authority: CN
Inventors: 池学文; 陆新艳
Original assignee: Shanghai Hongli Pharmaceutical Packaging Materials Co ltd
Current assignee: Shanghai Hongli Pharmaceutical Packaging Materials Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-04
Anticipated expiration: 2032-07-11

Abstract

The application discloses coefficient of friction apparatus relates to check out test set technical field, improves the great problem of present coefficient of friction apparatus measuring error. The utility model discloses a machine body, top one side fixedly connected with fixing base of organism, one side fixedly connected with pneumatic cylinder of fixing base, this application is through the setting of incorgruous screw rod, sliding block and pole in the middle, make to wait to detect the object and place behind the below of splint, can drive the sliding block of both sides and the pole relative motion between the middle of both sides through rotating the incorgruous screw rod, make the pole in the middle of both sides will wait to detect the object and stir to the centre, all with waiting to detect the object contact until the pole in the middle of both sides, thereby will wait to detect the object regulation only between the middle, effectively reduce in follow-up testing process, owing to wait to detect the object and place between the middle, lead to the friction plate to appear easily in the removal process and break away from and wait the situation that detects the object contact, and then lead to detect the probability that there is the error.

Description

Friction coefficient tester

Technical Field

The application relates to the technical field of detection equipment, in particular to a friction coefficient tester.

Background

The friction coefficient measuring instrument is a measuring instrument used for measuring static friction coefficient and dynamic friction coefficient when plastic films and sheets, rubber, paper, paperboards, woven bags, fabric styles, metal material composite belts for communication cables and optical cables, conveyer belts, wood, coatings, brake pads, wipers, shoe materials, tires and other materials slide. By measuring the smoothness of the material, the production quality and process indexes of the material can be controlled and adjusted, and the use requirement of the product is met. In addition, the method can also be used for measuring the slip performance of daily chemical products such as cosmetics, eye drops and the like.

The friction coefficient apparatus need will wait to detect the object centre gripping when using and fix, and it is fixed that the experimenter is manual will wait to detect the object and place on anchor clamps at present mostly, often is difficult to will wait to detect the object and adjust to between two parties to when causing follow-up measurement, the friction plate that is pulled the removal breaks away from easily and is detected the object, thereby causes the measuring result error great.

SUMMERY OF THE UTILITY MODEL

In order to improve the great problem of present coefficient of friction apparatus measuring error, this application provides coefficient of friction apparatus.

The application provides coefficient of friction apparatus adopts following technical scheme:

the friction coefficient tester comprises a machine body, a fixed seat is fixedly connected with one side of the top of the machine body, a hydraulic cylinder is fixedly connected with one side of the fixed seat, a dynamometer is fixedly connected with the output end of the hydraulic cylinder, an input end of the dynamometer is fixedly connected with a connecting rod, the connecting rod is far away from an inserting rod sleeved on one side of the dynamometer, a pull rod is fixedly connected with the top of the inserting rod, a press block is fixedly connected with the bottom of one side of the inserting rod, a friction plate is detachably connected with the bottom of the press block, a supporting plate is fixedly connected with a U-shaped seat arranged on one side of the top of the fixed seat, an adjusting screw is in threaded connection with the middle position of the top of the U-shaped seat, a clamp plate is connected with the bottom of the adjusting screw in a rotating mode, the clamp plate is in sliding connection with the U-shaped seat, the holding groove is symmetrically formed in two sides of the clamp plate, a centering rod is arranged in the holding groove, a sliding block is fixedly connected with the bottom of the centering rod, the sliding block is in sliding connection with the supporting plate in a sliding mode, and a counter screw is in the inner thread of the sliding block.

Through adopting above-mentioned technical scheme, when fixing the detection object, can drive the sliding block of both sides and the pole relative motion between two parties of both sides through rotating the incorgruous screw rod, until waiting to detect the object and both sides pole contact between them all, thereby can will wait to detect the object and adjust to between two parties, can drive the splint through rotating adjusting screw rod and move down after that, thereby will wait to detect the object centre gripping fixed, and then effectively reduce follow-up friction plate and break away from the probability of waiting to detect the object when receiving the pneumatic cylinder traction movement, the precision of detection has effectively been improved.

Optionally, the top of the friction plate is symmetrically and fixedly connected with hook blocks, and the two sides of the pressing block are symmetrically and fixedly connected with fixing blocks clamped with the hook blocks.

By adopting the technical scheme, after the friction plate is worn after being used for a long time, the friction plate can be detached from the pressing block by stirring the hook block, and then the new friction plate is replaced, so that the replacement process of the friction plate is convenient and fast.

Optionally, guide grooves are symmetrically formed in the bottom of the pressing block, guide rods matched with the guide grooves are arranged in the guide grooves in a penetrating mode, and the guide rods are fixedly connected with the friction plate.

By adopting the technical scheme, the guide rod can be inserted into the guide groove in the installation process of the friction plate, so that the positions of the friction plate and the pressing block can be conveniently calibrated.

Optionally, the top of the adjusting screw is fixedly connected with a hand wheel.

By adopting the technical scheme, when the adjusting screw rod is rotated and adjusted, the adjusting screw rod can be rotated and adjusted through the hand wheel, so that the adjusting screw rod can be rotated and adjusted more conveniently and quickly.

Optionally, the bottom of the clamping plate is fixedly connected with a rubber gasket.

Through adopting above-mentioned technical scheme, treat the in-process that detects the object centre gripping at splint, the rubber gasket can be treated and detect the object and play the guard action, reduces and treats the probability that detects the object and is crushed.

Optionally, a top cover is rotatably connected to one side of the top of the machine body.

Through adopting above-mentioned technical scheme, the setting of top cap can close the roof lid of organism, reduces the probability that the dust falls on the organism top.

Optionally, a handle is fixedly connected to one side of the top cover.

Through adopting above-mentioned technical scheme, the setting of handle is convenient for rotate the top cap, when the top cap rotates to one side of organism, can provide the support to the top cap simultaneously for the inside of top cap can be accomodate the part article that use when detecting.

Optionally, a side wall of the machine body is fixedly connected with a triangular block, and the triangular block is abutted to the top cover after the half cycle of turning.

Through adopting above-mentioned technical scheme, the setting of triangle piece can further support the top cap when the top cap rotates to one side of organism to improve the stability of top cap.

To sum up, the beneficial effect of this application is as follows:

this application is through the incorgruous screw rod, the setting of sliding block and centre pole, make waiting to detect the object and place behind the below of splint, can drive the sliding block of both sides and the pole relative motion between the two parties of both sides through rotating the incorgruous screw rod, make the pole between the two parties of both sides will wait to detect the object and stir to the centre, all with waiting to detect the object contact until the pole between the two sides is middle, thereby will wait to detect the object and adjust only between the two parties, effectively reduce in follow-up testing process, owing to wait to detect the object and place between the two parties, lead to the friction plate to appear breaking away from and waiting to detect the situation of object contact easily at the removal in-process, and then lead to detecting the probability that has the error.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present application;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is an enlarged view of the structure of the portion B in fig. 1 of the present application.

Description of the reference numerals: 1. a body; 2. a fixed seat; 3. a hydraulic cylinder; 4. a force gauge; 5. a connecting rod; 6. inserting a rod; 7. a draw bar; 8. briquetting; 9. a friction plate; 10. a guide bar; 11. a guide groove; 12. a support plate; 13. hooking blocks; 14. a fixed block; 15. a U-shaped seat; 16. adjusting the screw rod; 17. a splint; 18. accommodating grooves; 19. a triangular block; 20. a slider; 21. a screw rod in different directions; 22. a rubber gasket; 23. a centering rod; 24. a handle; 25. a top cover; 26. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, the friction coefficient measuring apparatus includes a machine body 1, a fixing base 2 is fixedly connected to one side of the top of the machine body 1, and the machine body 1 is configured to support the fixing base 2. One side fixedly connected with pneumatic cylinder 3 of fixing base 2, the output fixedly connected with dynamometer 4 of pneumatic cylinder 3, setting up of pneumatic cylinder 3 is used for pulling dynamometer 4 and removing when starting work. Dynamometer 4's input fixedly connected with connecting rod 5, one side cover that dynamometer 4 was kept away from to connecting rod 5 is equipped with inserted bar 6, and connecting rod 5's setting is used for spacing inserted bar 6. The top of the inserted bar 6 is fixedly connected with a traction bar 7, the bottom of one side, far away from the inserted bar 6, of the traction bar 7 is fixedly connected with a pressing block 8, and the traction bar 7 is used for fixedly connecting the inserted bar 6 with the pressing block 8.

Referring to fig. 1-3, the bottom of the pressing block 8 is detachably connected with a friction plate 9, and the friction plate 9 is arranged to contact with an object to be detected, so that when the hydraulic cylinder 3 is started to work, the friction plate 9 can be dragged to slide on the object to be detected through the connecting rod 5, the traction rod 7 and the pressing block 8, and the dynamometer 4 detects resistance applied to the friction plate 9 when the friction plate 9 slides, so as to obtain the friction coefficient of the object to be detected. The symmetrical fixedly connected with in top both sides of friction plate 9 colludes piece 13, and the symmetrical fixedly connected with in both sides of briquetting 8 colludes fixed block 14 of piece 13 looks joint, and fixed block 14 is convenient for dismantle the change to friction plate 9 with colluding the mutual joint of piece 13 for friction plate 9 uses the change convenient and fast more after wearing and tearing for a long time.

Referring to fig. 1 to 3, guide grooves 11 are symmetrically formed in the bottom of the pressing block 8, guide rods 10 which are matched with each other are inserted into the guide grooves 11, the guide rods 10 are fixedly connected with the friction plate 9, and the guide rods 10 and the guide grooves 11 are arranged to calibrate and guide the position of the friction plate 9 during installation, so that the friction plate 9 is more convenient to install. Top cover 25 is connected with in the rotation of top one side of organism 1, and top cover 25's setting is used for closing organism 1's roof lid, reduces the probability that the dust falls on organism 1 top. Top one side fixedly connected with handle 24 of top cap 25, handle 24's setting is convenient for rotate top cap 25, rotates to one side of organism 1 at top cap 25 simultaneously, can provide the support to top cap 25 for the inside of top cap 25 can be accomodate the part article that use when detecting. A lateral wall fixedly connected with triangle piece 19 of organism 1, triangle piece 19 set up be used for can further support top cap 25 when top cap 25 rotates one side to organism 1 to improve top cap 25's stability.

Referring to fig. 1-2, a supporting plate 12 is fixedly connected to the top of the machine body 1, and the supporting plate 12 is configured to support an object to be detected. One side of the supporting plate 12, which is far away from the top of the fixed seat 2, is fixedly connected with a U-shaped seat 15, the middle position of the top of the U-shaped seat 15 is in threaded connection with an adjusting screw 16, and the U-shaped seat 15 is used for supporting the adjusting screw 16. The bottom of adjusting screw 16 rotates and is connected with splint 17, and adjusting screw 16's setting is used for driving splint 17 up-and-down motion when rotating to it is fixed to satisfy the centre gripping of treating the detection object. The top fixedly connected with hand wheel 26 of adjusting screw 16, the setting of hand wheel 26 is convenient for rotate adjusting screw 16, the bottom fixedly connected with rubber gasket 22 of splint 17, and rubber gasket 22 sets up and is used for treating and plays corresponding guard action when detecting the object by the centre gripping.

Referring to fig. 1-2, the clamp plate 17 is slidably connected to the U-shaped seat 15, receiving grooves 18 are symmetrically formed on two sides of the clamp plate 17, a centering rod 23 is disposed inside the receiving groove 18, the two centering rods 23 can slide in the respective receiving grooves 18 in a direction approaching to or separating from each other, and the receiving grooves 18 are configured to receive the centering rods 23. The bottom fixedly connected with sliding block 20 of two sets of pole 23 in the middle of, sliding block 20 and backup pad 12 sliding connection, and the sliding direction of sliding block 20 is the same with the width direction who waits to detect the object. The inside threaded connection of two sets of sliding blocks 20 has incorgruous screw rod 21, and the opposite screw thread section in both ends of incorgruous screw rod 21 respectively with two sliding blocks 20 threaded connection, incorgruous screw rod 21 rotates with backup pad 12 to be connected the setting of incorgruous screw rod 21 and is used for when rotating, drives the sliding block 20 relative motion of both sides to stir the object adjustment to be detected to be placed in the middle through the pole 23 placed in the middle of both sides.

The application has the implementation principle that:

when the device is used, an object to be detected is placed on the supporting plate 12 and placed inside the U-shaped seat 15, the incongruous screw 21 is rotated, the incongruous screw 21 drives the sliding blocks 20 on two sides and the centering rods 23 on two sides to move relatively until the object to be detected is contacted with the centering rods 23 on two sides, the object to be detected is adjusted to be centered, the adjusting screw 16 is rotated, the adjusting screw 16 drives the clamping plate 17 and the rubber gasket 22 to move downwards until the object to be detected is clamped and fixed, the friction plate 9 is placed at the top of the object to be detected, the inserting rod 6 is inserted into the connecting rod 5, the hydraulic cylinder 3 can be started, the hydraulic cylinder 3 is contracted, the pressing block 8 and the friction plate 9 are pulled to move rightwards, and in the moving process, the dynamometer 4 can detect resistance force applied during moving in real time, and accordingly the friction coefficient corresponding to the object to be detected is obtained.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Friction coefficient apparatus, including organism (1), its characterized in that: the top of the machine body (1) is fixedly connected with a fixed seat (2), one side of the fixed seat (2) is fixedly connected with a hydraulic cylinder (3), an output end of the hydraulic cylinder (3) is fixedly connected with a dynamometer (4), an input end of the dynamometer (4) is fixedly connected with a connecting rod (5), one side, far away from the dynamometer (4), of the connecting rod (5) is sleeved with an inserted rod (6), a top of the inserted rod (6) is fixedly connected with a traction rod (7), the traction rod (7) is far away from a bottom of one side of the inserted rod (6) and fixedly connected with a pressing block (8), the bottom of the pressing block (8) is detachably connected with a friction plate (9), a top of the machine body (1) is fixedly connected with a supporting plate (12), one side, far away from the top of the fixed seat (2), of the supporting plate (12) is fixedly connected with a U-shaped seat (15), an accommodating groove at the middle position of the top of the U-shaped seat (15) is in threaded connection with an adjusting screw rod (16), the bottom of the adjusting screw (16) is rotatably connected with a clamping plate (17), the clamping plate (17) is in sliding connection with the U-shaped seat (15), two groups of sliding blocks (18) are symmetrically arranged at two sides of the clamping plate (17), and two groups of the sliding blocks (23) are arranged in the sliding block (23), the sliding blocks (20) are in sliding connection with the supporting plate (12), the sliding blocks (20) are two in groups, the internal threads of the sliding blocks (20) are connected with the incongruous screw rods (21), and the incongruous screw rods (21) are in rotating connection with the supporting plate (12).

2. The apparatus for measuring a coefficient of friction according to claim 1, wherein: the friction plate is characterized in that hook blocks (13) are symmetrically and fixedly connected to two sides of the top of the friction plate (9), and fixing blocks (14) clamped with the hook blocks (13) are symmetrically and fixedly connected to two sides of the pressing block (8).

3. The apparatus of claim 2, wherein: guide grooves (11) are symmetrically formed in the bottom of the pressing block (8), guide rods (10) matched with each other are arranged in the guide grooves (11) in a penetrating mode, and the guide rods (10) are fixedly connected with the friction plate (9).

4. The apparatus of claim 1, wherein: the top of the adjusting screw rod (16) is fixedly connected with a hand wheel (26).

5. The apparatus of claim 1, wherein: the bottom of the clamping plate (17) is fixedly connected with a rubber gasket (22).

6. The apparatus of claim 1, wherein: a top cover (25) is rotatably connected to one side of the top of the machine body (1).

7. The apparatus of claim 6, wherein: and a handle (24) is fixedly connected to one side of the top cover (25).

8. The apparatus of claim 7, wherein: a side wall of the machine body (1) is fixedly connected with a triangular block (19), and the triangular block (19) is abutted to the top cover (25) after the half-cycle of turning.