Device for measuring water spraying resistance of lubricating grease

Abstract

The utility model relates to the technical field of lubricating grease water spraying resistance detection, and provides a lubricating grease water spraying resistance tester which comprises a water tank and a shell, the shell is fixed on the water tank, an installation rotating assembly is arranged in the water tank, a spraying backflow assembly is arranged in the water tank and the shell, and a fixing sleeve is fixed at the bottom in the shell. A telescopic cylinder is installed at the bottom in the shell, the output end of the telescopic cylinder is connected with a bottom plate, and a connecting rod is arranged at the bottom of the bottom plate and movably connected with the fixing sleeve in a sleeving mode. According to the technical scheme, the problems that the accuracy of experimental data is affected, time and labor are wasted and the experimental detection effect is reduced due to the fact that the temperature control is not accurate enough and the injection flow velocity of water cannot be effectively controlled due to the fact that an existing detection mode in the related technology is manual detection are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of grease water spray resistance performance detection, and specifically, relates to a grease water spray resistance performance detector. Background Art

[0002] Grease is a thick, greasy semi-solid used in the friction parts of machinery for lubrication and sealing. It is also used on metal surfaces for filling voids and rust prevention. It is mainly composed of mineral oil (or synthetic lubricating oil) and thickening agents. Grease is mostly used in bearings to increase the smoothness of bearing rotation. Therefore, it is necessary to spray water on the bearings with grease to detect the water spray resistance of the grease. The existing detection method is manual detection, so the temperature control is not accurate enough, and the water spray flow rate cannot be effectively controlled, which affects the accuracy of experimental data, is time-consuming and laborious, and reduces the experimental detection effect.

[0003] Therefore, improvements are made to the above problems. Content of the Utility Model

[0004] The utility model provides a grease water spray resistance performance detector, which solves the problems in the related art that the existing detection method is manual detection, so the temperature control is not accurate enough, the water spray flow rate cannot be effectively controlled, which affects the accuracy of experimental data, is time-consuming and laborious, and reduces the experimental detection effect.

[0005] The technical solution of the utility model is as follows: including

[0006] a water tank and a housing, the housing is fixed on the water tank;

[0007] an installation and rotation assembly, the installation and rotation assembly is arranged inside the water tank;

[0008] a spray and reflux assembly, the spray and reflux assembly is arranged in the water tank and the housing;

[0009] The installation and rotation assembly includes a fixed sleeve, the fixed sleeve is fixed on the inner bottom of the housing, a telescopic cylinder is installed on the inner bottom of the housing, the output end of the telescopic cylinder is connected with a bottom plate, a connecting rod is arranged at the bottom of the bottom plate, and the connecting rod is movably sleeved and connected with the fixed sleeve.

[0010] As a further technical solution, a connecting seat is fixed on the surface of the bottom plate, a rotating table is rotatably connected to the outside of the connecting seat, an outer ring cover is arranged at the bottom of the rotating table, a driving motor is arranged at the bottom of the bottom plate, and a driving gear is arranged at the output end of the driving motor.

[0011] As a further technical solution, an external gear is provided on the outer surface of the outer ring cover. The external gear meshes with the driving gear. A plurality of columns are fixed to the top of the outer ring cover. The upper ends of the columns are fixed with a mounting seat. A gland is sleeved on the top of the mounting seat. The gland is fixedly connected to the mounting seat by bolts.

[0012] As a further technical solution, a central mounting shaft is fixedly connected to the upper end of the rotating table. The central mounting shaft is rotationally sleeved with the outer ring cover. A threaded groove is provided at the top of the central mounting shaft. A pressing bolt is screwed in the threaded groove. A pressing block is provided on the surface of the pressing bolt.

[0013] As a further technical solution, the spraying and reflux assembly includes a second motor. The second motor is installed on the outer surface of the housing. A water pump is installed on the outer surface of the housing. A hose is provided at the output end of the water pump. The output end of the second motor is connected to a fixed pipe. Nozzles are installed on the surface of the fixed pipe.

[0014] As a further technical solution, a pair of reflux grooves are provided at the inner bottom of the housing. The reflux grooves are communicated with the inside of the water tank. An installation opening is provided on the side surface of the water tank. A filter screen is inserted and connected in the installation opening. The water pumping end of the water pump is communicated with the water tank.

[0015] As a further technical solution, the upper end of the fixed pipe is bent to one side. The nozzle has a certain inclination angle.

[0016] As a further technical solution, a sealing cover is installed on the top of the housing. A handle is provided on the top of the sealing cover.

[0017] As a further technical solution, both the mounting seat and the gland are of a hollow structure. The cross section of the mounting seat is in an L-shaped structure.

[0018] As a further technical solution, the fixed pipe can be controlled by the second motor to rotate 90° arbitrarily to the left or right.

[0019] The working principle and beneficial effects of the present utility model are as follows:

[0020] In the present utility model, an installation and rotation assembly is provided. Through the interaction of structures such as the telescopic cylinder, the bottom plate, the connecting seat, the rotating table, the outer ring cover, the mounting seat, and the pressing block, the height of the bottom plate can be controlled to make the mounting seat extend to the top of the housing, facilitating the loading and unloading of bearings. During the detection process, it can be kept rotating by controlling the driving motor. The water during the detection process will not accumulate and can keep flowing downward, enabling an accurate detection structure, and having good use effects and practicality. Description of the Drawings

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Figure 1 is a schematic structural diagram of the present utility model;

[0023] Figure 2 is an axonometric sectional view of the present utility model;

[0024] Figure 3 is an axonometric sectional view of the present utility model from another perspective;

[0025] Figure 4 is a sectional view of the present utility model;

[0026] In the figure: 1, water tank; 2, outer shell; 3, installation and rotation assembly; 3-1, fixed sleeve; 3-2, telescopic cylinder; 3-3, bottom plate; 3-4, connecting rod; 3-5, connecting seat; 3-6, rotating table; 3-7, outer ring cover; 3-8, driving motor; 3-9, driving gear; 3-10, external gear; 3-11, column; 3-12, mounting seat; 3-13, gland; 3-14, central mounting shaft; 3-15, threaded groove; 3-16, compression bolt; 3-17, compression block; 4, spraying and reflux assembly; 4-1, second motor; 4-2, water pump; 4-3, hose; 4-4, fixed pipe; 4-5, nozzle; 4-6, reflux tank; 4-7, mounting opening; 4-8, filter screen; 5, sealing cover; 6, handle. Specific Embodiments

[0027] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

[0028] As Figures 1 to 4 shown, this embodiment proposes a grease water spray resistance tester, including

[0029] a water tank 1 and an outer shell 2, and the outer shell 2 is fixed on the water tank 1;

[0030] an installation and rotation assembly 3, and the installation and rotation assembly 3 is arranged inside the water tank 1;

[0031] a spraying and reflux assembly 4, and the spraying and reflux assembly 4 is arranged in the water tank 1 and the outer shell 2;

[0032] The installation and rotation assembly 3 includes a fixed sleeve 3-1 which is fixed at the inner bottom of the housing 2. An expansion cylinder 3-2 is installed at the inner bottom of the housing 2. The output end of the expansion cylinder 3-2 is connected to a bottom plate 3-3. A connecting rod 3-4 is arranged at the bottom of the bottom plate 3-3, and the connecting rod 3-4 is movably sleeved and connected with the fixed sleeve 3-1. A connecting seat 3-5 is fixed on the surface of the bottom plate 3-3. A rotating table 3-6 is rotatably connected to the outside of the connecting seat 3-5. An outer ring cover 3-7 is arranged at the bottom of the rotating table 3-6. A driving motor 3-8 is arranged at the bottom of the bottom plate 3-3. A driving gear 3-9 is arranged at the output end of the driving motor 3-8. An external gear 3-10 is arranged on the outer surface of the outer ring cover 3-7, and the external gear 3-10 meshes with the driving gear 3-9. A plurality of upright columns 3-11 are fixed at the top of the outer ring cover 3-7. An installation seat 3-12 is fixed at the upper ends of the upright columns 3-11. A gland 3-13 is sleeved on the top of the installation seat 3-12, and the gland 3-13 is fixedly connected with the installation seat 3-12 by bolts. A central installation shaft 3-14 is fixedly connected to the upper end of the rotating table 3-6, and the central installation shaft 3-14 is rotatably sleeved and connected with the outer ring cover 3-7. A threaded groove 3-15 is formed at the top of the central installation shaft 3-14, and a compression bolt 3-16 is screwed in the threaded groove 3-15. A compression block 3-17 is arranged on the surface of the compression bolt 3-16.

[0033] In this embodiment, in order to achieve the effect of facilitating the installation of bearings for rotation detection, a spray and reflux assembly 4 is designed. A fixed sleeve 3-1 and an expansion cylinder 3-2 are arranged inside the housing 2. The output end of the expansion cylinder 3-2 is connected to a bottom plate 3-3. A connecting rod 3-4 is arranged at the bottom of the bottom plate 3-3 and is telescopically connected in the fixed sleeve 3-1. The height of the bottom plate 3-3 can be controlled by the expansion and contraction of the expansion cylinder 3-2. A fixed rotating table 3-6 is arranged on the bottom plate 3-3. An outer ring cover 3-7 is rotatably connected to the rotating table 3-6. A driving motor 3-8 and a driving gear 3-9 are arranged at the bottom of the bottom plate 3-3. An external gear 3-10 is arranged on the surface of the outer ring cover 3-7 and meshes with the driving gear 3-9. The rotation of the outer ring cover 3-7 can be controlled by the driving motor 3-8. Upright columns 3-11 and an installation seat 3-12 are arranged at the top of the outer ring cover 3-7. The installation seat 3-12 is used to place the bearing and sleeve it on the outer ring. A gland 3-13 is installed at the top and is fixed by bolts. A central installation shaft 3-14 is arranged on the surface of the outer ring cover 3-7, and a threaded groove 3-15 is formed at the top. The central installation shaft 3-14 is used to insert into the bearing. A compression bolt 3-16 and a compression block 3-17 are screwed in the threaded groove 3-15, which can compress the bearing to facilitate cooperation in detection. After installation, the inner ring of the bearing is fixed and the outer ring rotates.

[0034] Further, the spray and reflux assembly 4 includes a second motor 4-1 mounted on the outer surface of the housing 2. A water pump 4-2 is installed on the outer surface of the housing 2. A hose 4-3 is provided at the output end of the water pump 4-2. The output end of the second motor 4-1 is connected to a fixed pipe 4-4. Nozzles 4-5 are mounted on the surface of the fixed pipe 4-4. A pair of reflux grooves 4-6 are formed at the inner bottom of the housing 2, and the reflux grooves 4-6 communicate with the inside of the water tank 1. An installation opening 4-7 is formed on the side surface of the water tank 1, and a filter screen 4-8 is inserted and connected in the installation opening 4-7. The water suction end of the water pump 4-2 communicates with the water tank 1.

[0035] In this embodiment, in order to achieve the effect of spraying and recycling the bearing for reuse, the spray and reflux assembly 4 is designed. A second motor 4-1 is installed on the outer surface of the housing 2. A fixed pipe 4-4 is provided at the output end of the second motor 4-1 and nozzles 4-5 are installed. A water pump 4-2 is provided on the outer surface of the housing 2. A hose 4-3 is provided at the output end of the water pump 4-2 and is connected to the fixed pipe 4-4. The water pump 4-2 can pump the water in the water tank 1 and inject it into the fixed pipe 4-4, and spray it onto the bearing through the nozzles 4-5 for detection purposes. Reflux grooves 4-6 communicating with the water tank 1 are formed at the inner bottom of the housing 2, and the water for detection can flow back into the water tank 1. An installation opening 4-7 is formed on one side of the water tank 1, and a filter screen 4-8 is inserted, which can perform filtering treatment.

[0036] Further, the upper end of the fixed pipe 4-4 is bent to one side, and the nozzles 4-5 have a certain inclination angle.

[0037] In this embodiment, through the bending and inclination of the fixed pipe 4-4, the nozzles 4-5 have a certain inclination angle and can directly spray onto the bearing.

[0038] Further, a sealing cover 5 is installed on the top of the housing 2, and a handle 6 is provided on the top of the sealing cover 5.

[0039] In this embodiment, by installing the sealing cover 5 with a handle 6, it is convenient to open and operate for loading and unloading the bearing.

[0040] Further, both the mounting seat 3-12 and the gland 3-13 are of hollow structures, and the cross-section of the mounting seat 3-12 is in an L-shaped structure.

[0041] In this embodiment, due to the hollow structures, it is convenient for the flushing water to flow downward and back. The mounting seat 3-12 supports the outer ring of the bearing.

[0042] Further, the fixed pipe 4-4 can be controlled by the second motor 4-1 to rotate 90° arbitrarily to the left or right.

[0043] In this embodiment, by rotating the left and right angles of the fixed pipe 4-4, the lifting of the outer ring cover 3-7 can be prevented from being affected.

[0044] When detection is required, open the sealing cover 5 through the handle 6, start the telescopic cylinder 3-2 to lift the mounting seat 3-12 to the outside, place the bearing into the mounting seat 3-12, cover the gland 3-13 and screw in the bolts for fixation, then screw the compression bolt 3-16 into the thread groove 3-15, press the bearing through the pressing block 3-17, and then reset. After closing the sealing cover 5, start the water pump 4-2 to start spraying through the nozzle 4-5. The drive motor 3-8 drives the outer ring cover 3-7 through the drive gear 3-9 and the external gear 3-10 to rotate the bearing for detection. The sprayed water flows back to the water tank 1 through the return groove 4-6 and can be reused after being filtered by the filter screen 4-8.

[0045] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A grease water-washout resistance tester, characterized in that: include A water tank (1) and a shell (2), wherein the shell (2) is fixed on the water tank (1); An installation rotating assembly (3), wherein the installation rotating assembly (3) is arranged inside the water tank (1); A spray reflux component (4), wherein the spray reflux component (4) is arranged in the water tank (1) and the housing (2); The mounting rotation assembly (3) comprises a fixed sleeve (3-1), the fixed sleeve (3-1) being fixed to the inner bottom of the outer shell (2), a telescopic cylinder (3-2) being installed at the inner bottom of the outer shell (2), an output end of the telescopic cylinder (3-2) being connected to a bottom plate (3-3), a connecting rod (3-4) being arranged at the bottom of the bottom plate (3-3), and the connecting rod (3-4) being movably connected to the fixed sleeve (3-1).

2. A grease water washout resistance tester according to claim 1, characterized in that: A connecting seat (3-5) is fixed on the surface of the base plate (3-3); a rotating platform (3-6) is rotatably connected to the outside of the connecting seat (3-5); an outer ring cover (3-7) is arranged at the bottom of the rotating platform (3-6); a driving motor (3-8) is arranged at the bottom of the base plate (3-3); and a driving gear (3-9) is arranged at the output end of the driving motor (3-8).

3. A grease water washout resistance tester according to claim 2, characterized in that: An external gear (3-10) is arranged on the outer surface of the outer ring cover (3-7), and the external gear (3-10) is meshed with the driving gear (3-9). A plurality of columns (3-11) are fixed on the top of the outer ring cover (3-7), and a mounting seat (3-12) is fixed on the upper end of the columns (3-11). A pressure cover (3-13) is mounted on the top of the mounting seat (3-12), and the pressure cover (3-13) and the mounting seat (3-12) are fixedly connected by bolts.

4. A grease water washout resistance tester according to claim 3, characterized in that: A central installation shaft (3-14) is fixedly connected to the upper end of the rotating table (3-6), and the central installation shaft (3-14) is rotatably connected to the outer ring cover (3-7). A threaded groove (3-15) is provided on the top of the central installation shaft (3-14), and a clamping bolt (3-16) is screwed into the threaded groove (3-15), and a clamping block (3-17) is provided on the surface of the clamping bolt (3-16).

5. The grease water washout resistance tester according to claim 1, characterized in that: The spray return assembly (4) comprises a second motor (4-1), the second motor (4-1) is mounted on the outer surface of the housing (2), a water pump (4-2) is mounted on the outer surface of the housing (2), a hose (4-3) is arranged at the output end of the water pump (4-2), the output end of the second motor (4-1) is connected to a fixed pipe (4-4), and a nozzle (4-5) is mounted on the surface of the fixed pipe (4-4).

6. A grease water washout resistance tester according to claim 5, characterized in that: A pair of reflux grooves (4-6) are provided at the bottom of the housing (2), the reflux grooves (4-6) are connected to the inside of the water tank (1), a mounting opening (4-7) is provided on the side surface of the water tank (1), a filter screen (4-8) is inserted and connected in the mounting opening (4-7), and a water pumping end of the water pump (4-2) is connected to the water tank (1).

7. The grease water washout resistance tester according to claim 5, characterized in that: The upper end of the fixed pipe (4-4) is bent to one side, and the nozzle (4-5) has a certain inclination angle.

8. The grease water washout resistance tester according to claim 1, characterized in that: A sealing cover (5) is installed on the top of the housing (2), and a handle (6) is provided on the top of the sealing cover (5).

9. The lubricating grease water washout resistance tester according to claim 3, characterized in that: The mounting seat (3-12) and the pressure cover (3-13) are both hollow structures, and the cross section of the mounting seat (3-12) is an L-shaped structure.

10. The grease water washout resistance tester according to claim 5, characterized in that: The fixed pipe (4-4) can be controlled by the second motor (4-1) to rotate 90 degrees to the left or right.

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