CN210665365U - Small four-ball type friction wear test mechanism - Google Patents
Small four-ball type friction wear test mechanism Download PDFInfo
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- CN210665365U CN210665365U CN201921437240.2U CN201921437240U CN210665365U CN 210665365 U CN210665365 U CN 210665365U CN 201921437240 U CN201921437240 U CN 201921437240U CN 210665365 U CN210665365 U CN 210665365U
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Abstract
A small four-ball friction wear test mechanism comprises a box body, an upper friction mechanism and a lower friction mechanism, wherein the upper friction mechanism comprises a motor, a small belt wheel, a large belt wheel, a main shaft and a chuck, and the lower friction mechanism comprises a base, a hydraulic cylinder and an oil box; the motor is connected with the small belt pulley, the small belt pulley is connected with the large belt pulley through a belt, the large belt pulley is connected with the top of the main shaft and drives the main shaft to rotate, and the bottom of the main shaft is connected with the chuck; the top of a piston rod of the hydraulic cylinder is connected with an oil box through a pressure driver, the right side of the oil box is provided with a friction force sensor, and three test steel balls are fixed in the oil box and are enclosed together; a test steel ball is clamped in the chuck, extends into the oil box and is tangent to the three test steel balls in the oil box at the same time. The testing mechanism is in a sliding friction mode, performs a friction and wear test on the lubricant in the oil box under the condition of point contact pressure, and can be widely applied.
Description
Technical Field
The utility model relates to a friction wear test equipment field, especially a small-size four ball formula friction wear test mechanism.
Background
The failure of mechanical equipment is mostly related to the friction and wear of parts, the friction and wear phenomena of workpieces, materials and lubricating oil cannot be researched by a friction and wear testing machine, but many testing machines are accurate, the testing is also accurate, the inevitable manufacturing cost is high, the use cost is also high, and the cost performance is low. Therefore the utility model discloses just handle from the basic structure of testing machine, optimize improvement to some parts, reduce manufacturing cost, outside completion basic work that can be better, improve convenient operation degree and detection easy maintenance degree, make more humanized operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, provide a small-size four ball formula friction wear test mechanism, simple structure, low in manufacturing cost, operation and detection easy maintenance, but wide application in the friction wear test.
The technical scheme of the utility model as follows:
a small four-ball friction wear test mechanism is characterized by comprising a box body, an upper friction mechanism and a lower friction mechanism, wherein the upper friction mechanism and the lower friction mechanism are vertically distributed in the box body;
the motor is connected with a small belt wheel, the small belt wheel is connected with a large belt wheel through a belt, the large belt wheel is connected with the top of the main shaft and drives the main shaft to rotate, and the bottom of the main shaft is connected with the chuck;
the top of a piston rod of the hydraulic cylinder is connected with an oil box through a pressure sensor, a friction force sensor is arranged on the right side of the oil box, and three test steel balls are fixed in the oil box and are enclosed together; and one test steel ball is clamped in the chuck, extends into the oil box and is tangent to the three test steel balls in the oil box simultaneously.
Further, the motor is arranged on a supporting plate on the right side of the box body.
Furthermore, the main shaft is fixed on the box body through the upper end cover and can rotate relative to the upper end cover.
Furthermore, a guide plate is fixed in the box body, the pressure sensor is connected with the guide plate in a sliding mode, and under the action of the hydraulic cylinder, the pressure sensor slides up and down along the guide plate.
Further, be equipped with the clamping ring of pressing solid three test steel ball in the oil box, the oil box top is equipped with gland nut, the clamping ring covers three test steel ball to screw through gland nut and oil box top screw thread, thereby push down the clamping ring, further fixed three test steel ball.
The utility model discloses at the during operation, the motor is through big, the belt pulley drives the main shaft rotation, thereby it rotates at the chuck of main shaft lower extreme to drive the setting, exert frictional force through a test steel ball in the chuck, the pneumatic cylinder that is located on the base promotes the perpendicular upward movement of piston rod, transmit three test steel balls in the oil feed box to the loading through pressure sensor, realize exerting pressure, accomplish different rotational speeds, frictional wear to the sample is experimental under the different pressure, and through pressure sensor, frictional force sensor gathers corresponding data.
Due to the adoption of the technical scheme, the utility model discloses following technological effect has: simple structure, low in manufacturing cost, easy operation and detection easy maintenance to the sliding friction form carries out the frictional wear test to the emollient in the oil box under the point contact pressure condition, can wide application.
Drawings
Fig. 1 is a schematic structural diagram of a small four-ball type friction wear testing mechanism of the present invention;
fig. 2 is a left side view of a small four-ball type friction wear testing mechanism of the present invention;
FIG. 3 is a top view of a small four-ball type friction wear testing mechanism of the present invention;
in the figure: 1. the hydraulic cylinder comprises a box body, 2 parts of a hydraulic cylinder rear end cover, 4 parts of a piston, 5 parts of a hydraulic cylinder, 7 parts of a hydraulic cylinder front end cover, 8 parts of a piston rod, 9 parts of a pressure sensor, 10 parts of a thrust bearing, 11 parts of an oil box, 12 parts of a compression nut, 13 parts of an angular contact ball bearing, 14 parts of a main shaft, 16 parts of a cover plate, 19 parts of an upper end cover, 22 parts of a large belt wheel, 26 parts of a belt, 27 parts of a small belt wheel, 28 parts of an electric motor, 29 parts of a supporting plate, 30 parts of a compression nut, 31 parts of a chuck, 32 parts of a compression ring, 33 parts of a test steel ball.
Detailed Description
As shown in fig. 1, a small four-ball friction wear test mechanism includes a box 1, and an upper friction mechanism and a lower friction mechanism which are distributed up and down are arranged in the box 1.
The upper friction mechanism comprises a motor 28, the motor 28 is arranged on a supporting plate 29 on the right side of the box body 1, and the upper end of the motor 28 is connected with a small belt wheel 27. The motor 28 is connected with the small belt pulley 27, the small belt pulley 27 is connected with the large belt pulley 28 through the belt 26, the large belt pulley 22 is connected with the upper end 14 of the main shaft to drive the main shaft 14 to rotate, the main shaft 14 is fixed on the cover plate 16 at the top of the box body 1 through the upper end cover 19, the lower end of the main shaft 14 is connected with the chuck 31 and is pressed through the pressing nut 30, and the test steel ball 33 is clamped in the chuck 31 to apply friction force to the sample. The upper and lower parts of the main shaft are respectively connected with the box body in a rotating way through angular contact ball bearings 13.
Lower friction mechanism includes base 35, is equipped with pneumatic cylinder 5 on the base, and piston 4 promotes the perpendicular upward movement of piston rod 8 in the pneumatic cylinder 5, and the top and the pressure sensor 9 of piston rod 8 are connected, and pressure sensor 9 is arranged in deflector 36, and the deflector is fixed in inside the box 1, and pressure sensor 9's top is connected with oil box 11, and oil box 11 right side is equipped with friction force sensor 34, and oil box internal fixation has 3 experimental steel balls 33, uses clamping ring 32, gland nut 12 to compress tightly. The bottom of the oil box is provided with a mounting part which is connected with a pressure sensor through a thrust bearing 10.
The utility model discloses a work like this: the motor drives the main shaft to rotate through the large belt pulley, the small belt pulley and the belt, so that the chuck arranged at the lower end of the main shaft is driven to rotate, friction force is exerted through one test steel ball, the hydraulic cylinder positioned on the base pushes the piston rod to vertically move upwards, loading is transmitted to three test steel balls in the oil box through the pressure sensor, pressure is exerted, and friction and abrasion tests on samples at different rotating speeds and different pressures are completed.
In conclusion, after the structure is adopted, the manufacturing cost is low, the operation and the detection and maintenance are convenient, the lubricating effect of the lubricant can be effectively researched, and the influence of different loading forces and rotating speeds on the lubricating effect can be analyzed.
Claims (5)
1. A small four-ball friction wear test mechanism is characterized by comprising a box body (1), an upper friction mechanism and a lower friction mechanism, wherein the upper friction mechanism and the lower friction mechanism are vertically distributed in the box body (1), the upper friction mechanism comprises a motor (28), a small belt pulley (27), a large belt pulley (22), a main shaft (14) and a chuck (31), and the lower friction mechanism comprises a base (35), a hydraulic cylinder (5) arranged on the base and an oil box (11);
the motor (28) is connected with a small belt wheel (27), the small belt wheel (27) is connected with a large belt wheel (22) through a belt (26), the large belt wheel (22) is connected with the top of the main shaft (14) to drive the main shaft (14) to rotate, and the bottom of the main shaft (14) is connected with a chuck (31);
the top of a piston rod (8) of the hydraulic cylinder is connected with an oil box (11) through a pressure sensor (9), the right side of the oil box (11) is provided with a friction force sensor (34), and three test steel balls are fixed in the oil box and enclosed together; and a test steel ball is clamped in the chuck (31), extends into the oil box and is tangent to the three test steel balls in the oil box at the same time.
2. A compact four-ball friction wear test mechanism according to claim 1, characterized in that the electric motor (28) is mounted on a pallet (29) on the right side of the housing (1).
3. A compact four-ball friction wear test mechanism according to claim 1, wherein said spindle (14) is fixed to the housing (1) by an upper end cap (19) and is rotatable relative to the upper end cap.
4. The small four-ball friction wear testing mechanism according to claim 1, wherein a guide plate (36) is fixed in the box body, the pressure sensor is connected with the guide plate in a sliding mode, and the pressure sensor slides up and down along the guide plate under the action of a hydraulic cylinder.
5. The small four-ball friction wear test mechanism according to claim 1, wherein a press ring (32) for pressing and fixing three test steel balls is arranged in the oil box, a compression nut (12) is arranged at the top of the oil box, the press ring covers the three test steel balls and is screwed with threads at the top of the oil box through the compression nut, so that the press ring is pressed, and the three test steel balls are further fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437240.2U CN210665365U (en) | 2019-09-02 | 2019-09-02 | Small four-ball type friction wear test mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437240.2U CN210665365U (en) | 2019-09-02 | 2019-09-02 | Small four-ball type friction wear test mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210665365U true CN210665365U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921437240.2U Active CN210665365U (en) | 2019-09-02 | 2019-09-02 | Small four-ball type friction wear test mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129096A (en) * | 2020-09-23 | 2020-12-25 | 新兴铸管股份有限公司 | Be used for rotary kiln wheel belt anticreep device |
-
2019
- 2019-09-02 CN CN201921437240.2U patent/CN210665365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129096A (en) * | 2020-09-23 | 2020-12-25 | 新兴铸管股份有限公司 | Be used for rotary kiln wheel belt anticreep device |
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