A grease high-temperature baking and conveying test device

Abstract

The present invention provides a high-temperature baking and conveying test device for grease, which includes a base. A horizontally arranged test barrel is provided on the base. It is characterized in that a guide roller with threaded grooves on its surface is rotatably connected inside the test barrel. The head and tail ends of the test barrel are connected through a circulation pipe on one side. Ball bearings are arranged in the threaded grooves. A pump washing mechanism is arranged on the circulation pipe to pump and circulate the ball bearings along the test barrel. Injection mechanisms and export mechanisms are respectively arranged at the connections of the head and tail ends of the test barrel and the circulation pipe to mix and export the grease and the ball bearings. Through the setting of the threaded guide roller and the ball bearings in the guide roller grooves, the present invention simulates the axial rotation environment of the bearing to test the grease. At the same time, the axial export of the grease can also be realized through the threaded structure, eliminating the trouble of repeatedly disassembling and assembling the bearing during the test process, and having good development prospects.

Description

Technical Field

[0001] The invention relates to the field of lubricating grease detection equipment, in particular to a lubricating grease high-temperature baking and conveying testing equipment. Background Art

[0002] Grease is a thick, oily semisolid. It is used in the friction parts of machinery to lubricate and seal. It is also used on metal surfaces to fill gaps and prevent rust. It is mainly made of mineral oil or synthetic lubricating oil and thickener.

[0003] The indicators used to evaluate the stability of grease colloids are oil separation test, rolling bearing performance test, etc. However, the traditional method of bearing testing requires adding grease into the bearing, which requires the bearing to be disassembled and assembled, which is inconvenient to operate, and it is impossible to quickly simulate some harsh high-temperature working environments, and thus it is impossible to test the performance of grease in various environments.

[0004] Therefore, a grease high-temperature baking and conveying test equipment is needed that can simulate the environment and is convenient for adding and exporting. Summary of the invention

[0005] The purpose of the present invention is to provide a grease high-temperature baking and conveying testing device.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A grease high-temperature baking and conveying test device comprises a base, on which a horizontal test barrel is arranged, and is characterized in that a guide roller with a threaded groove on its surface is rotatably connected in the test barrel, the head and tail ends of the test barrel are connected by a circulation pipe on one side, balls are arranged in the threaded groove, a pump washing mechanism is arranged on the circulation pipe to pump and circulate the balls along the test barrel, and an injection mechanism and a discharge mechanism are respectively arranged at the connection between the head and tail ends of the test barrel and the circulation pipe to mix and discharge the grease and balls.

[0008] As a further solution of the present invention: the test barrel includes an outer shell and a guide roller rotatably arranged in the outer shell, the surface of the guide roller is concavely provided with threaded grooves distributed at a small angle along the circumferential direction, the tail end of the guide roller is transmission connected to the output end of the tail drive motor fixedly arranged at the tail end of the test barrel, and is rotated by the tail drive motor, and an injection mechanism and an outlet mechanism are respectively arranged on the outer shell structure at the head and tail ends of the guide roller to inject and outlet grease.

[0009] As a further solution of the present invention: surrounding heating coils are provided on the inner sides of the outer shell and the guide roller.

[0010] As a further solution of the present invention: the connection between the injection mechanism, the outlet mechanism and the test barrel is provided with an electric control valve to control the connection and disconnection between the circulation pipe and the environment inside the test barrel.

[0011] As a further solution of the present invention: the injection mechanism includes a ball introduction tube and a grease injection tube. The ball introduction tube is connected between the test barrel and the circulation tube. One side is connected to the grease injection tube for injecting grease. The grease injection tube is perpendicular to the ball introduction tube and is arranged in a T shape.

[0012] As a further solution of the present invention: a guide piece protruding from the wall of the ball introduction tube is arranged at the lower side of the connection point between the grease injection tube and the ball introduction tube, and the guide piece is arc-shaped, with the front end in contact with the wall of the ball introduction tube and the rear end tilted.

[0013] As a further solution of the present invention: the guide piece is distributed in a circumferential curved manner along the wall of the ball guide tube.

[0014] As a further solution of the present invention: the export mechanism includes a ball export tube, a separation flap and a grease export tube. The ball export tube is connected between the test barrel and the circulation tube. A circular soft rubber separation flap is arranged on the inner side. A lateral grease export tube is arranged on the front side of the separation flap.

[0015] As a further solution of the present invention: a mixing ring is arranged on the front side of the connection between the ball outlet tube and the grease outlet tube. The mixing ring is an annular structure with an inner diameter larger than that of the grease outlet tube. The grease outlet tube is connected to the mixing ring and indirectly connected to the ball outlet tube. The inner side of the mixing ring away from the test barrel is a conical surface.

[0016] As a further solution of the present invention: the pump washing mechanism includes a water tank, a driving wheel and a conveyor belt. Both ends of the water tank are connected to the circulation pipe. A conveyor belt driven by the driving wheel is arranged on the inside of the water tank to drive the balls in the pipe direction. The top and bottom of the water tank are connected with a cleaning pipe. Beneficial Effects

[0017] 1. The test barrel of the present invention includes an outer shell and a guide roller rotatably arranged in the outer shell. The surface of the guide roller is concavely provided with threaded grooves distributed at a small circumferential angle. The tail end of the guide roller is transmission-connected with the output end of a tail drive motor fixedly arranged at the tail end of the test barrel, and is rotated by the tail drive motor. An injection mechanism and an outlet mechanism are respectively arranged on the outer shell structure at the head and tail ends of the guide roller to inject and outlet grease. The threaded guide roller and the balls in the guide roller groove are arranged to simulate the axial rotation environment of the bearing to test the grease. At the same time, the axial outlet of the grease can also be achieved through the threaded structure, eliminating the trouble of repeatedly disassembling and assembling the bearing during the test.

[0018] 2. The outlet mechanism of the present invention includes a ball outlet tube, a separation flap and a grease outlet tube. The ball outlet tube is connected between the test barrel and the circulation tube. A circular soft rubber separation flap is provided on the inner side. A lateral grease outlet tube is provided on the front side of the separation flap. The outer grease is scraped off by the annular separation flap. When a ball with a diameter larger than the separation flap passes through the separation flap, the separation flap moves in accordance with the surface of the ball under the action of elasticity to scrape off the grease on the surface of the ball, and then the grease is exported from the grease outlet tube on one side to achieve the separation of the grease and the ball.

[0019] 3. The pump-washing mechanism of the present invention comprises a water tank, a driving wheel and a conveyor belt. Both ends of the water tank are connected to a circulation pipe. A conveyor belt driven by a driving wheel is arranged on the inner side of the water tank to drive the ball in the pipe direction. The top and bottom of the water tank are connected with a cleaning pipe. Through the arrangement of the water tank and the cleaning pipe, in addition to the pumping of the ball, a solvent can be introduced after the experiment to clean the residual grease in the device to avoid the interference of the residual grease on the data. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a cross-sectional view of the overall structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the guide roller structure of the present invention.

[0023] Figure 4 It is a schematic diagram of the injection mechanism of the present invention.

[0024] Figure 5 It is a schematic diagram of the guide plate structure of the present invention.

[0025] Figure 6 It is a schematic diagram of the export structure of the present invention.

[0026] Figure 7 It is a schematic diagram of the pump washing mechanism of the present invention.

[0027] Figures 1-7 Middle: 1-base, 2-test barrel, 201-housing, 202-heating coil, 203-guide roller, 204-tail drive motor, 3-circulation pipe, 301-ball, 4-injection mechanism, 401-ball introduction pipe, 402-grease injection pipe, 403-guide plate, 5-export mechanism, 501-ball export pipe, 502-separation flap, 503-mixing ring, 504-grease export pipe, 6-electrically controlled valve, 7-cleaning pipe, 8-pump washing mechanism, 801-water tank, 802-driving wheel, 803-conveyor belt. DETAILED DESCRIPTION

[0028] The following will be combined with the accompanying drawings in the present inventionFigures 1-7 , clearly and completely describe the specific technical solutions of the present invention;

[0029] See also Figures 1-7 , Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 It is a cross-sectional view of the overall structure of the present invention; Figure 3 It is a schematic diagram of the guide roller structure of the present invention; Figure 4 It is a schematic diagram of the injection mechanism of the present invention; Figure 5 It is a schematic diagram of the guide plate structure of the present invention; Figure 6 It is a schematic diagram of the export structure of the present invention; Figure 7 It is a schematic diagram of the pump washing mechanism of the present invention.

[0030] A grease high-temperature baking and conveying test device provided in the present embodiment includes a base 1, on which a horizontal test barrel 2 is arranged, and is characterized in that a guide roller 203 with a threaded groove on the surface is rotatably connected in the test barrel 2, and the head and tail ends of the test barrel 2 are connected through a circulation pipe 3 on one side, and a ball 301 is arranged in the threaded groove. A pump washing mechanism 8 is arranged on the circulation pipe 3 to pump and circulate the ball along the test barrel 2, and an injection mechanism 4 and a discharge mechanism 5 are respectively arranged at the connection between the head and tail ends of the test barrel 2 and the circulation pipe 3 to mix and discharge the grease and the ball 301.

[0031] The test barrel 2 includes a shell 201 and a guide roller 203 rotatably arranged in the shell 201. The surface of the guide roller 203 is concavely provided with thread grooves distributed at a small angle along the circumferential direction. The tail end of the guide roller 203 is transmission-connected with the output end of a tail drive motor 204 fixedly arranged at the tail end of the test barrel 2, and is driven to rotate by the tail drive motor 204. The shell 201 structure at the head and tail ends of the guide roller 203 is respectively provided with an injection mechanism 4 and an outlet mechanism 5 for injecting and outlet of grease.

[0032] By setting the threaded guide roller 203 and the ball 301 in the groove of the guide roller 203, the axial rotation environment of the bearing is simulated to test the grease. At the same time, the axial outlet of the grease can be achieved through the threaded structure, eliminating the trouble of repeatedly disassembling and assembling the bearing during the test. At the same time, the force of the guide roller 203 includes both axial and circumferential directions, which improves the rolling efficiency of the ball 301 and saves experimental time.

[0033] Specifically, surrounding heating coils 202 are provided on the inner sides of the outer shell 201 and the guide roller 203 to simulate the ambient temperature and test the grease performance under different environments.

[0034] Among them, the connection between the injection mechanism 4 and the export mechanism 5 and the test barrel 2 is provided with an electric control valve 6 to control the connection and disconnection of the circulation pipe 3 and the environment inside the test barrel 2. The electric control valve 6 is used to close the two ends of the test barrel 2 and disconnect the circulation of the ball 301, thereby realizing the simulation of the closed working environment of the bearing, and also stopping the export of grease to simulate the working time dimension.

[0035] The injection mechanism 4 includes a ball introduction tube 401 and a grease injection tube 402. The ball introduction tube 401 is connected between the test barrel 2 and the circulation tube 3. One side is connected to the grease injection tube 402 for injecting grease. The grease injection tube 402 is perpendicular to the ball introduction tube 401 and is arranged in a T shape. A guide piece 403 protruding from the wall of the ball introduction tube 401 is arranged at the lower side of the connection between the grease injection tube 402 and the ball introduction tube 401. The guide piece 403 is arc-shaped, with the front end attached to the wall of the ball introduction tube 401 and the rear end tilted. The guide piece 403 is distributed along the circumferential bending direction of the wall of the ball introduction tube 401.

[0036] The grease is injected laterally through a T-shaped injection mechanism and enters the test barrel 2 driven by the ball 301 for simulation. The guide piece 403 in the tube wall can drive the ball 301 to continuously change direction and roll when the ball 301 contacts the grease, which facilitates uniform grease convexity. The gradual protrusion of the guide piece 301 can also gradually increase the force on the ball 301, increase the friction, offset the loss of friction caused by the grease application, and ensure the uniformity of the application.

[0037] The outlet mechanism 5 includes a ball outlet tube 501, a separation flap 502 and a grease outlet tube 504. The ball outlet tube 501 is connected between the test barrel 2 and the circulation tube 3, and a circular soft rubber separation flap 502 is arranged inside. A lateral grease outlet tube 504 is arranged on the front side of the separation flap 502.

[0038] The outer grease is scraped off by the annular separation flap 502. When the ball 301 with a diameter larger than the separation flap 502 passes through the separation flap 502, the separation flap 502 elastically moves against the surface of the ball 301 to scrape off the grease on the surface of the ball 301, and then discharges it from the grease discharge pipe 504 on one side, thereby separating the grease from the ball 301.

[0039] Specifically, a sparging ring 503 is provided at the front side of the connection between the ball outlet tube 501 and the grease outlet tube 504. The sparging ring 503 is an annular structure with an inner diameter larger than that of the grease outlet tube 504. The grease outlet tube 504 is connected to the sparging ring 503 and is indirectly connected to the ball outlet tube 501. The inner side of the sparging ring 503 away from the test barrel 2 is a conical surface.

[0040] The grease supply ring 503 provides a path for grease to pass through around, facilitating the export of grease. At the same time, the setting of the inner conical surface is convenient for subsequent cleaning, avoiding dead corners during flushing, and preventing data interference caused by the residue of grease in different batches of experiments.

[0041] Among them, the pump washing mechanism 8 includes a water tank 801, a driving wheel 802 and a conveyor belt 803. Both ends of the water tank 801 are connected to the circulation pipe 3. Inside the water tank 801, there is a conveyor belt 803 driven by the driving wheel 802 to drive the ball 301 in a pipe direction. The top and bottom of the water tank 801 are connected with a cleaning pipe 7.

[0042] Through the setting of the water tank 801 and the cleaning pipe 7, in addition to pumping the ball 301, after the experiment is over, a dissolving agent can be introduced to clean the residual grease in the device, avoiding the interference of residual grease on the data.

[0043] When implementing the technical solution recorded in this embodiment, start the device, control the electric control valve 6 to open, and the pump washing mechanism 8 operates. The conveyor belt 803 drives the ball 301 to be conveyed into the test barrel 2. When passing through the injection mechanism 4, it is mixed with the grease, so that the grease is smeared on the ball 301. After the ball 301 enters the test barrel 2, under the action of the guide roller 203 driven by the tail drive motor 204, it moves towards the tail end of the test barrel 2, and at the same time contacts the inner wall of the outer shell 201 of the test barrel 2 and rotates under the action of friction to simulate the rolling environment inside the bearing. When the sufficient amount of balls 301 and grease are injected into the test barrel 2, close the electric control valve 6 and stop pumping the balls 301 and grease, and simulate the ambient temperature by heating with the outer heating coil 202.

[0044] The device continues to run for simulation in the time dimension. After the simulation is over, the electric control valve 6 is opened, and the grease and the ball 301 are discharged under the action of the guide roller 203. After being separated by the export mechanism 5, the grease is collected and exported, and the ball 301 enters the circulation pipe 3.

[0045] After the grease is separated, a dissolving liquid is injected through the cleaning pipe 7, and the device is started to circulate the dissolving liquid and the ball to clean the residual grease in the device.

Claims

1. A grease high-temperature baking conveying test device, characterized in that, include: A base (1) is used to support and fix the entire device and components; The test barrel (2) is fixed on the base (1), and a guide roller (203) having a threaded groove on its surface is rotatably connected to the inner side. A ball (301) is arranged in the guide roller (203). The rotation of the guide roller (203) can simulate the working environment of the grease, and the grease can also be conveniently exported. The test barrel (2) includes: The outer shell (201) is used to fix and protect the internal components and to limit the outer position of the ball (301) on the inner guide roller (203) and to perform relative transmission; The guide roller (203) is rotatably arranged in the outer shell (201), the surface of the guide roller (203) is provided with thread grooves distributed at a small angle along the circumferential direction, the tail end of the guide roller (203) is drivingly connected to the output end of a tail drive motor (204) fixedly arranged at the tail end of the test barrel (2), and is driven by the tail drive motor (204) to rotate, the outer shell (201) structure at the head and tail ends of the guide roller (203) is respectively provided with an injection mechanism (4) and an outlet mechanism (5) for injecting and outlet grease, and the inner sides of the outer shell (201) and the guide roller (203) are both provided with a surrounding heating coil (202); A pump-wash mechanism (8) is connected to the test barrel (2) via a circulation pipe (3) to pump and circulate the ball (301), and a water tank (801) is provided to clean the test barrel (2) and the ball (301); An injection mechanism (4) is arranged between the circulation pipe (3) and the front end of the test barrel (2), and performs injection of grease and mixing of the grease with the ball bearing (301) through the T-shaped pipe; The outlet mechanism (5) is arranged between the circulation pipe (3) and the rear end of the test barrel (2), and scrapes the grease on the surface of the ball (301) through the annular film and outlets it laterally.

2. The grease high-temperature baking conveying test equipment according to claim 1, characterized in that: The connection points between the injection mechanism (4) and the outlet mechanism (5) and the test barrel (2) are all provided with electric control valves (6) for controlling the connection and disconnection between the circulation pipe (3) and the environment inside the test barrel (2).

3. A high-temperature baking and conveying test device for grease according to claim 1, characterized in that, The injection mechanism (4) comprises: A ball introduction tube (401), the ball introduction tube (401) is connected between the test barrel (2) and the circulation tube (3) to introduce the ball (301); The grease injection tube (402) is connected to one side of the ball introduction tube (401) for injecting grease. The grease injection tube (402) is perpendicular to the ball introduction tube (401) and is arranged in a T shape.

4. A high-temperature baking and conveying test device for grease according to claim 3, characterized in that: The injection mechanism (4) further comprises: A guide piece (403) is provided at the lower side of the connection point between the grease injection tube (402) and the ball introduction tube (401) and protrudes from the tube wall of the ball introduction tube (401). The guide piece (403) is arc-shaped, with the front end in contact with the tube wall of the ball introduction tube (401) and the rear end tilted.

5. A high-temperature baking and conveying test device for grease according to claim 4, characterized in that: The guide piece (403) is distributed in a circumferentially curved manner along the wall of the ball introduction tube (401).

6. The grease high-temperature baking conveying and testing equipment according to claim 1, characterized in that, The export mechanism (5) comprises: A ball outlet pipe (501), the ball outlet pipe (501) is connected between the test barrel (2) and the circulation pipe (3), and is provided with a circular soft rubber separation flap (502) on the inner side for scraping off the grease on the surface of the ball (301); Grease outlet pipe (504), a lateral grease outlet pipe (504) is arranged on the front side of the separation flap (502) to separate and export the grease.

7. A high-temperature baking and conveying test device for grease according to claim 6, characterized in that, The export mechanism (5) further includes: Material leveling ring (503), a material leveling ring (503) is arranged on the front side of the connection between the ball outlet pipe (501) and the grease outlet pipe (504). The material leveling ring (503) is an annular structure with an inner diameter larger than that of the grease outlet pipe (504). The grease outlet pipe (504) is connected to the material leveling ring (503) and indirectly connected to the ball outlet pipe (501). The surface of the inner side of the material leveling ring (503) away from the test barrel (2) is a conical surface.

8. A high-temperature baking and conveying test device for grease according to claim 1, characterized in that: The pump washing mechanism (8) includes: Water tank (801), both ends of the water tank (801) are communicated with the circulation pipe (3). A cleaning pipe (7) is communicated with the top and bottom of the water tank (801) for passing a cleaning liquid to clean the residual grease inside the device; Conveyor belt (803), a conveyor belt (803) driven by a driving wheel (802) is arranged inside the water tank (801) to drive the balls (301) in a pipe direction and clean the surfaces of the balls (301).

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