Lubricating grease shear tester

Abstract

The utility model discloses a lubricating grease shear tester, which relates to the technical field of lubricating grease detection and comprises a workbench, a main machine body and a heating body are arranged on the end face of the workbench, a motor is arranged on the main machine body, a steering gear is connected to an output shaft of the motor, a rotating shaft is arranged at the end of the steering gear, and a motor is arranged on the rotating shaft. A rotating disc is fixedly arranged at the end, away from the steering gear, of the rotating shaft, a driving wheel is rotationally connected to the position, close to the edge of the rotating disc, of the rotating disc, a connecting rod is movably connected to the driving wheel, and a material storage barrel is installed on the end face of the workbench and located under the connecting rod; the extrusion plate is in butt joint fit with the material storage barrel, the connecting rod is slidably sleeved with a connector, the connector is in threaded connection with the material storage barrel, and the connector is provided with a limiting end acting on the connector in the vertical direction in a limiting mode; the consistency change of the lubricating grease in the actual working process can be simulated, and the accurate shear resistance of the lubricating grease is reflected.

Description

Technical Field

[0001] The utility model relates to the technical field of lubricating grease detection, in particular to a lubricating grease shear tester. Background Art

[0002] Greases are widely used in machinery and automotive parts to protect components and reduce friction and wear. Interactive properties such as adhesion have become key factors affecting the performance of greases. Adhesion is related to the microstructural aspects of the grease, such as the thickener network, wetting agents and additives.

[0003] Grease is one of the important lubricants for protecting equipment, and its shear resistance is crucial to the protective effect of the equipment. Needle penetration, temperature drop value and tension loss value are important indicators for testing the shear resistance of grease. When using grease, it is necessary to select the appropriate grease according to the equipment use requirements and working conditions, and perform appropriate tests after use to ensure the normal operation of the equipment.

[0004] Currently, there are devices for shearing grease, such as the Chinese utility model patent with announcement number "CN219849765U": A grease shearing device (hereinafter referred to as comparative document 1), which has high shearing efficiency and good shearing effect. However, in actual applications, grease is usually in a heated environment during normal operation of the equipment. Therefore, the shearing effect on the grease in comparative document 1 cannot achieve the actual effect of the application scenario, or the test data on the shear resistance of grease in comparative document 1 is not accurate enough.

[0005] Therefore, it is necessary to propose an improved technical solution to solve the above problems. Utility Model Content

[0006] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0007] A grease shear tester comprises a workbench, a main body and a heating body are arranged on the end surface of the workbench, a motor is arranged on the main body, a steering gear is connected to the output shaft of the motor, a rotating shaft is arranged at the end of the steering gear, a turntable is fixedly arranged at one end of the rotating shaft away from the steering gear, a driving wheel is rotatably connected to the turntable near its edge, a connecting rod is movably connected to the driving wheel, a material storage barrel is installed on the end surface of the workbench and directly below the connecting rod, an extrusion plate is fixedly arranged at the lower end of the connecting rod, the extrusion plate is butt-jointed with the material storage barrel, a connecting head is slidably sleeved on the connecting rod, the connecting head is threadedly connected to the material storage barrel, wherein the connecting head has a limiting end which acts on the connecting head in a vertical upper limit direction;

[0008] The heating body includes a control box and a heating sleeve electrically connected to the control box through a wire. The heating sleeve is sleeved on the outside of the material storage barrel. The heating sleeve is provided with a temperature sensing probe plugged into the material storage barrel.

[0009] As a further solution of the utility model: the storage barrel includes a base and a connected storage barrel body, the diameter of the base is larger than the diameter of the storage barrel body, a positioning column is protruded on the end surface of the base and located on the outside of the storage barrel body, and a positioning groove corresponding to the positioning column is opened on the lower end surface of the heating sleeve.

[0010] As a further solution of the utility model: the height of the positioning column is greater than the depth of the positioning groove, so that after the heating sleeve is sleeved on the storage barrel body, there is a spacing space between the heating sleeve and the base;

[0011] Wherein, a limiting locking member acting on the base is arranged on the end surface of the workbench and located in the interval space.

[0012] As a further solution of the utility model: the limit locking member includes a fixed part fixed to the workbench and a rotating part movably connected to the fixed part, and a locking screw is provided on the connecting end of the rotating part and the fixed part, wherein the rotating part extends into the interval space and acts on the base to limit the position.

[0013] As a further solution of the utility model: a temperature control panel and a control switch are arranged on the control box.

[0014] As a further solution of the utility model: a slot corresponding to the temperature sensing probe is opened on one side of the base.

[0015] As a further solution of the utility model: a connecting end is arranged at the upper end of the connecting rod, and a sliding groove corresponding to the driving wheel is opened on the connecting end.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] By adding a heating body, especially dividing the heating body into a control box and a heating sleeve, and by arranging the heating sleeve on the storage barrel, the grease in the storage barrel can be squeezed and sheared in a heated environment, thereby simulating the viscosity change of the grease in the actual working process (heating), reflecting its precise shear resistance performance, and through the setting of a temperature sensing probe, the current heating temperature can be fed back through the control box, the heating condition of the grease can be monitored in real time and the size of the heating temperature can be adjusted, thereby ensuring the test data of the shear resistance performance of the grease.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the connecting rod, the heating sleeve and the storage barrel in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the heating sleeve in the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the cooperation among the limit locking member, the heating sleeve and the material storage barrel in the utility model.

[0024] The reference numerals and names in the figures are as follows:

[0025] 1. Workbench; 2. Main body; 3. Heating body; 4. Motor; 5. Steering gear; 6. Rotating shaft; 7. Turntable; 8. Driving wheel; 9. Connecting rod; 10. Storage barrel; 11. Extrusion plate; 12. Connecting head; 13. Limiting end; 14. Control box; 15. Heating sleeve; 16. Temperature sensing probe; 17. Base; 18. Storage barrel body; 19. Positioning column; 20. Positioning groove; 21. Spacing space; 22. Limit locking piece; 23. Fixed part; 24. Rotating part; 25. Locking screw; 26. Control panel; 27. Control switch; 28. Slot; 29. ​​Connecting end. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4In the embodiment of the utility model, a grease shear tester includes a workbench 1, a main body 2 and a heating body 3 are arranged on the end surface of the workbench 1, a motor 4 is arranged on the main body 2, a steering gear 5 is connected to the output shaft of the motor 4, a rotating shaft 6 is arranged at the end of the steering gear 5, a turntable 7 is fixedly provided at the end of the rotating shaft 6 away from the steering gear 5, a driving wheel 8 is rotatably connected to the turntable 7 near its edge, a connecting rod 9 is movably connected to the driving wheel 8, a material storage barrel 10 is installed on the end surface of the workbench 1 and directly below the connecting rod 9, an extrusion plate 11 is fixedly provided at the lower end of the connecting rod 9, the extrusion plate 11 is docked with the material storage barrel 10, a connecting head 12 is slidably sleeved on the connecting rod 9, and the connecting head 12 is threadedly connected to the material storage barrel 10, wherein the connecting head 12 has a limit end 13 that acts on the connecting head 12 in a vertical direction;

[0028] The heating body 3 includes a control box 14 and a heating sleeve 15 electrically connected to the control box 14 through a wire. The heating sleeve 15 is sleeved on the outside of the storage barrel 10. The heating sleeve 15 is provided with a temperature sensing probe 16 that is plugged into the storage barrel 10.

[0029] The technical scheme of the utility model includes a main body 2 and a heating body 3 arranged on the end surface of a workbench 1. A motor 4, a steering gear 5, a rotating shaft 6, a turntable 7, a driving wheel 8 and a connecting rod 9 are arranged on the main body 2. The turntable 7, the driving wheel 8 and the connecting rod 9 are connected to form a crank connecting rod 9 mechanism. A storage barrel 10 is arranged just below the connecting rod 9. The connecting head 12 on the connecting rod 9 is threadedly connected to the storage barrel 10 to limit the connecting rod 9. The limiting end 13 of the connecting head 12 is set in the vertical direction to limit the connecting rod 9. The driving motor 4 drives the connecting rod 9 to perform a vertical lifting movement, so that the extrusion plate 11 at the lower end of the connecting rod 9 is pressed against the storage barrel. The grease in the storage barrel 10 is extruded and sheared, and on this basis, by increasing the setting of the heating body 3, especially dividing the heating body 3 into a control box 14 and a heating sleeve 15, and by sleeve-mounting the heating sleeve 15 on the storage barrel 10, the grease in the storage barrel 10 can be extruded and sheared in a heated environment, thereby simulating the viscosity change of the grease in the actual working process (heating), reflecting its precise shear resistance performance, and through the setting of the temperature sensing probe 16, the current heating temperature can be fed back through the control box 14, the heating condition of the grease can be monitored in real time and the size of the heating temperature can be adjusted, so that the test data of the shear resistance performance of the grease can be guaranteed.

[0030] In the embodiment of the utility model, the storage barrel 10 includes a base 17 and a connected storage barrel body 18, the diameter of the base 17 is larger than the diameter of the storage barrel body 18, a positioning column 19 is protruded on the end surface of the base 17 and located on the outside of the storage barrel body 18, and a positioning groove 20 corresponding to the positioning column 19 is opened on the lower end surface of the heating sleeve 15.

[0031] The cooperation of the positioning column 19 and the positioning groove 20 facilitates the positioning between the heating sleeve 15 and the storage barrel 10. In particular, the storage barrel 10 can be divided into a base 17 and a connected storage barrel body 18, and the diameter of the base 17 is larger than the diameter of the storage barrel body 18 (it can be understood that the base 17 and the storage barrel body 18 are both cylindrical in shape), so that when the heating sleeve 15 is sleeved on the storage barrel body 18, the setting of the positioning column 19 will not cause obstruction to the heating sleeve 15.

[0032] In the embodiment of the utility model, the height of the positioning column 19 is greater than the depth of the positioning groove 20, so that after the heating sleeve 15 is sleeved on the storage barrel body 18, a separation space 21 is provided between the heating sleeve 15 and the base 17;

[0033] Wherein, a limiting locking member 22 acting on the base 17 is arranged on the end surface of the workbench 1 and located in the spacing space 21;

[0034] The limiting locking member 22 includes a fixed portion 23 fixed to the workbench 1 and a rotating portion 24 movably connected to the fixed portion 23, and a locking screw 25 is provided on the connecting end 29 of the rotating portion 24 and the fixed portion 23, wherein the rotating portion 24 extends into the spacing space 21 and acts on the base 17 for limiting.

[0035] By setting the height of the positioning column 19 to be greater than the depth of the positioning groove 20, a spacing space 21 is provided between the heating sleeve 15 and the base 17, and a limiting locking member 22 capable of clamping and fixing the entire storage barrel 10 is provided by utilizing the spacing space 21. The overall structure is compact and the design is reasonable, and the limiting locking member 22 is easy to operate. Only by tightening the locking screw 25 can the rotating part 24 on the limiting locking member 22 clamp and press the base 17, thereby achieving effective fixation of the storage barrel 10. At the same time, it can ensure that the heating sleeve 15 provides a stable heating environment for the grease in the storage barrel 10 and stable extrusion and shearing operation of the extrusion plate 11, and it is also convenient for the storage barrel 10 to be disassembled and maintained (cleaned).

[0036] In the embodiment of the utility model, a temperature control panel 26 and a control switch 27 are disposed on the control box 14 .

[0037] The temperature control panel 26 is used to display the current heating temperature of the grease and adjust the heating temperature of the grease. The control switch 27 can be a power switch and a heating switch.

[0038] In the embodiment of the utility model, a slot 28 corresponding to the temperature sensing probe 16 is opened on one side of the base 17 .

[0039] In the embodiment of the utility model, a connecting end 29 is provided at the upper end of the connecting rod 9 , and a sliding groove (not shown) corresponding to the driving wheel 8 is opened on the connecting end 29 .

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A grease shear tester, characterized in that: The invention comprises a workbench, wherein a main body and a heating body are arranged on the end surface of the workbench, a motor is arranged on the main body, a steering gear is connected to the output shaft of the motor, a rotating shaft is arranged at the end of the steering gear, a turntable is fixedly arranged at one end of the rotating shaft away from the steering gear, a driving wheel is rotatably connected to the turntable near its edge, a connecting rod is movably connected to the driving wheel, a material storage barrel is installed on the end surface of the workbench and directly below the connecting rod, an extrusion plate is fixedly arranged at the lower end of the connecting rod, the extrusion plate is butt-jointed with the material storage barrel, a connecting head is slidably sleeved on the connecting rod, the connecting head is threadedly connected to the material storage barrel, wherein the connecting head has a limiting end which acts on the connecting head in a vertical upper limit direction; The heating body includes a control box and a heating sleeve electrically connected to the control box through a wire. The heating sleeve is sleeved on the outside of the material storage barrel. The heating sleeve is provided with a temperature sensing probe plugged into the material storage barrel.

2. A grease shear tester according to claim 1, characterized in that: The material storage barrel includes a base and a connected material storage barrel body. The diameter of the base is larger than the diameter of the material storage barrel body. A positioning column is protruded on the end surface of the base and located on the outside of the material storage barrel body. A positioning groove corresponding to the positioning column is opened on the lower end surface of the heating sleeve.

3. A grease shear tester according to claim 2, characterized in that: The height of the positioning column is greater than the depth of the positioning groove, so that after the heating sleeve is sleeved on the storage barrel body, there is a spacing space between the heating sleeve and the base; Wherein, a limiting locking member acting on the base is arranged on the end surface of the workbench and located in the interval space.

4. A grease shear tester according to claim 3, characterized in that: The limiting locking member includes a fixed part fixed to the workbench and a rotating part movably connected to the fixed part, and a locking screw is arranged on the connecting end of the rotating part and the fixed part, wherein the rotating part extends into the interval space and acts on the base in a limiting manner.

5. A grease shear tester according to claim 1, characterized in that: The control box is provided with a temperature control panel and a control switch.

6. A grease shear tester according to claim 2, characterized in that: A slot corresponding to the temperature sensing probe is provided on one side of the base.

7. A grease shear tester according to claim 1, characterized in that: The upper end of the connecting rod is provided with a connecting end, and the connecting end is provided with a sliding groove corresponding to the driving wheel.

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