Bearing cleaning device

Abstract

The utility model relates to the technical field of bearing cleaning equipment, in particular to a bearing cleaning device. The liquid outlet end of a liquid pumping and pushing mechanism is in sealed connection with the upper edge of an outer ring of a bearing; a one-way channel used for enabling cleaning liquid to flow into the liquid extracting and pushing mechanism in a one-way mode is arranged between the liquid extracting and pushing mechanism and the liquid storage cavity. When the bearing is cleaned, after the liquid extracting and pushing mechanism extracts cleaning liquid from the liquid storage cavity through the one-way channel, the liquid extracting and pushing mechanism pushes the cleaning liquid out of the liquid outlet end, and the cleaning liquid enters the liquid storage cavity from a gap in the bearing so as to clean the bearing. According to the cleaning device, the overall structure is small and exquisite, complex power driving is not needed, cleaning liquid is temporarily stored through the liquid storage cavity, the device is portable, the cleaning liquid is repeatedly used, and pollution and influence on an operation site and operators are avoided; a power system is diversified, the whole cleaning action can be completed through liquid pumping and liquid pushing, and the application scene of the device is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing cleaning equipment, in particular to a bearing cleaning device. Background Art

[0002] Bearings are a crucial part of aircraft wheel-related parts. Conventional technology usually uses equipment cleaning or manual cleaning. Manual bearing cleaning uses a brush to clean the bearing, which has poor cleaning effect and low cleaning efficiency. Manual cleaning cannot be done by wearing gloves, which is inconvenient. In the cold winter, cleaning personnel are immersed in or exposed to oil for a long time, which is harmful to the cleaning personnel. Bearing cleaning equipment can completely solve the problem of contact between cleaning personnel and oil.

[0003] The Chinese utility model patent publication number is CN215142601U, which discloses a cleaning device for aircraft wheel bearings, which includes a liquid storage tank, a hydraulic pipeline, a hydraulic pump, a cleaning liquid circulation pipeline, a controller, a driving motor and a cleaning cabin; the liquid storage tank is located below the cleaning cabin; a sealed barrel is provided in the liquid storage tank; the inlet end of the hydraulic pump is located in the liquid storage tank; a spray system, a cleaning basket and a mounting seat are provided in the cleaning cabin; the spray system includes an intermediate pipeline, an upper spray piston cleaning mechanism and a lower spray piston cleaning mechanism; the mounting seat includes a base and an end cover; the driving motor is located in the sealed barrel, driving the end cover to rotate around the base; the upper end of the cleaning liquid circulation pipeline is fixedly connected to the bottom surface of the cleaning cabin, and the lower end extends into the liquid storage tank.

[0004] Although the above equipment can avoid manual cleaning, it is relatively large and causes many inconveniences for the maintenance and inspection of aircraft crews. Other equipment similar to the above technology is large in size and not portable. The power system relies on electricity and machinery, and the site is limited and cannot respond quickly to special situations. Utility Model Content

[0005] The utility model aims to provide a bearing cleaning device which has compact structure and layout, small volume, can be portable and movable, is not restricted by sites, has good cleaning effect and short cleaning time.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] A bearing cleaning device comprises a liquid storage cavity, a bearing mounting assembly mounted in the liquid storage cavity, and a liquid pumping and pushing mechanism extending into the liquid storage cavity, wherein the bearing mounting assembly is used to mount a bearing to be cleaned;

[0008] The liquid outlet end of the liquid pumping and pushing mechanism is sealed and connected to the upper edge of the outer ring of the bearing; a one-way channel for allowing the cleaning liquid to flow into the liquid pumping and pushing mechanism in one direction is provided between the liquid pumping and pushing mechanism and the liquid storage cavity;

[0009] When cleaning the bearing, the liquid pumping and pushing mechanism uses a one-way channel to extract the cleaning liquid from the liquid storage cavity, and then pushes the cleaning liquid out from the liquid outlet end, so that the cleaning liquid passes through the internal gap of the bearing into the liquid storage cavity to clean the bearing;

[0010] Furthermore, the liquid pumping and pushing mechanism includes a pressure shaft cover, a cleaning cylinder connected to the pressure shaft cover, a cylinder head slidably arranged in the cleaning cylinder, and a driving rod driving the cylinder head to reciprocate; a positioning ring is provided on the inner bottom of the liquid storage cavity, and the pressure shaft cover is positioned by the positioning ring and is covered on the bearing;

[0011] Furthermore, the shaft pressing cover is provided with at least one sealing groove for sealing the upper edge of the bearing outer ring;

[0012] Furthermore, the pressing shaft cover body is a trumpet-shaped structure, and a plurality of sealing grooves are provided, and the plurality of sealing grooves are distributed in multiple layers along the pressing shaft cover body; the sealing grooves include a first groove top and a second groove top;

[0013] Furthermore, a positioning cover is provided below the pressing shaft cover body, and a positioning groove for cooperating with a positioning ring is provided on the inner wall of the positioning cover; the positioning cover is also provided with a cover body liquid passing hole;

[0014] Furthermore, the driving rod extends out of the cleaning cylinder and connects to the expansion handle; a clamping handle is provided at the end of the outer wall of the cleaning cylinder;

[0015] Furthermore, the bearing installation assembly includes a top shaft base arranged in the liquid storage cavity, a top shaft sliding sleeve whose sliding sleeve is arranged on the top shaft base, and a top shaft spring installed on the top shaft base; the top shaft spring is used to push the top shaft sliding sleeve so that the bearing installed on the top shaft sliding sleeve abuts against the sealing groove;

[0016] Furthermore, the top shaft base is provided with a hollow structure connected to the liquid storage cavity, and a one-way valve body is installed at the end of the hollow structure. The one-way valve body includes a valve seat connected to the end of the top shaft base, a valve stem rotatably installed on the valve seat, and a valve cover installed at the end of the valve stem. When the valve cover is opened, the liquid storage cavity is connected to the liquid outlet end of the liquid pumping and pushing mechanism;

[0017] Furthermore, the top shaft sleeve has at least one bearing platform; the bearing platform is used to support the bottom of the bearing; a plurality of bearing platforms are distributed in multiple layers along the top shaft sleeve; the bearing platforms include a first bearing platform and a second bearing platform;

[0018] Furthermore, the liquid storage cavity also includes a cover body, which is connected to the outer wall of the cleaning cylinder and is arranged on the upper edge of the liquid storage cavity; the cover body and the outer wall of the liquid storage cavity are installed by locking buckles.

[0019] Furthermore, a ventilation component is provided inside the cover body; the ventilation component includes a splash-proof cover provided below the cover body, and a sealing cover provided between the cover body and the splash-proof cover;

[0020] There is a breathable gap between the edge of the splash-proof cover and the liquid storage cavity, the center of the sealing cover is connected to the outer wall of the cleaning cylinder, and the edge of the sealing cover is sealed and overlapped on the upper edge of the liquid storage cavity;

[0021] A first gap communicating with the air-permeable gap is provided between the splash-proof cover and the sealing cover;

[0022] A second gap is provided between the sealing cover and the cover body;

[0023] The sealing cover is provided with a ventilation reflux hole connecting the first gap and the second gap near the outer wall of the cleaning cylinder;

[0024] The edge of the cover body is provided with a cover air-permeable groove connected with the second gap;

[0025] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0026] The utility model provides a bearing cleaning device with a compact overall structure. It does not require complex power drive, and the cleaning liquid is temporarily stored in a liquid storage cavity to achieve portability of the device. The cleaning liquid can be used reciprocally to avoid contamination and impact on the work site and operators. The power system is diversified, mainly realizing the overall cleaning action by pumping and pushing liquid, thereby expanding the application scenarios of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0029] Figure 3 This is a schematic diagram of the overall structure of the bearing installation assembly in the utility model;

[0030] Figure 4 This is a schematic diagram of the internal structure of the bearing installation assembly in the utility model;

[0031] Figure 5 This is a schematic diagram of the internal structure of the pressure shaft cover of the utility model;

[0032] Figure 6 It is a structural schematic diagram of the ventilation component in the utility model. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0034] refer to Figure 1-6 As shown, a bearing cleaning device comprises a liquid storage cavity 1, a bearing mounting assembly 2 mounted in the liquid storage cavity 1, and a liquid pumping and pushing mechanism 3 extending into the liquid storage cavity 1, wherein the bearing mounting assembly 2 is used to mount a bearing 5 to be cleaned;

[0035] The liquid outlet end of the liquid pumping and pushing mechanism 3 is sealed and connected to the upper edge of the outer ring of the bearing 5; a one-way channel for allowing the cleaning liquid to flow into the liquid pumping and pushing mechanism 3 in one direction is provided between the liquid pumping and pushing mechanism 3 and the liquid storage cavity 1;

[0036] When cleaning the bearing 5, the liquid pumping and pushing mechanism 3 uses a one-way channel to extract the cleaning liquid from the liquid storage cavity 1, and then pushes the cleaning liquid out from the liquid outlet end, so that the cleaning liquid passes through the internal gap of the bearing 5 into the liquid storage cavity 1 to clean the bearing 5.

[0037] In actual application, the liquid storage chamber 1 is used to store cleaning liquid, which is a cleaning medium for flushing the bearing and the gap between the inner and outer rings of the bearing; the bearing mounting assembly 2 is used for the installation and positioning of the bearing 5. When the installation is completed, the bearing mounting assembly 2 seals and fixes the bearing 5 and the liquid pumping and pushing mechanism 3; when pumping liquid, the cleaning liquid is pumped from the liquid storage chamber 1 to the bearing mounting assembly 2 by the liquid pumping and pushing mechanism 3, and the bearing mounting assembly 2 has a built-in one-way channel to flow to the liquid pumping and pushing mechanism 3, wherein a part of the cleaning liquid will enter the liquid pumping and pushing mechanism 3 from the gap to be cleaned of the bearing 5 to achieve a certain degree of cleaning; when pushing liquid, the built-in one-way channel of the bearing mounting assembly 2 is closed, and the cleaning liquid entering the liquid pumping and pushing mechanism 3 is compressed, and then quickly flows through the gap to be cleaned of the bearing 5 to take away impurities; the repeated circulation of liquid pumping and pushing drives the cleaning liquid to repeatedly circulate and clean the bearing 5 to complete the cleaning operation; for example, in response to emergency inspection and maintenance tasks for aircraft or other equipment, the device can be quickly maneuvered with the staff to adapt to various types of working environments.

[0038] The utility model provides a bearing cleaning device with a compact overall structure. It does not require complex power drive, and the cleaning liquid is temporarily stored in a liquid storage cavity to achieve portability of the device. The cleaning liquid can be used reciprocally to avoid contamination and impact on the work site and operators. The power system is diversified, mainly realizing the overall cleaning action by pumping and pushing liquid, thereby expanding the application scenarios of the device.

[0039] In this embodiment, the liquid pumping and pushing mechanism 3 includes a pressure shaft cover body 32, a cleaning cylinder 31 connected to the pressure shaft cover body 32, a cylinder head 33 slidably arranged in the cleaning cylinder 31, and a driving rod 34 driving the cylinder head 33 to reciprocate; the inner bottom of the liquid storage cavity 1 is provided with a positioning ring 11, and the pressure shaft cover body 32 is positioned by the positioning ring 11 and covers the bearing 5; the pressure shaft cover body 32 can quickly position and assemble the bearing 5 through the positioning ring 11 to ensure that the liquid pumping and pushing mechanism 3 and the bearing 5 are installed in place; the driving rod 34 is connected to an external power output device to perform reciprocating motion of the cylinder head 33, thereby realizing repeated pumping and pushing of the cleaning liquid.

[0040] In this embodiment, the pressure shaft cover body 32 is provided with at least one sealing groove 323 for sealing the upper edge of the outer ring of the bearing 5 and pressing the bearing 5 down to be installed on the bearing mounting assembly 2; the pressure shaft cover body 32 is a trumpet-shaped structure, and a plurality of sealing grooves 323 are provided, and the plurality of sealing grooves 323 are distributed in multiple layers along the pressure shaft cover body 32; the sealing grooves 323 include a first groove top 3231 and a second groove top 3232; the pressure shaft cover body 32 adopts the design of a built-in multi-layer pressure top shaft 323, and adapts to bearings 5 ​​of different sizes through shaft tops of different sizes. The first groove top 3231 and the second groove top 3232 in this embodiment can adapt to bearings 5 ​​of two sizes, ensuring that the upper edge of the outer ring of the bearing 5 can be tightly abutted to achieve sealing.

[0041] In this embodiment, a positioning cover 321 is provided below the pressing cover body 32, and a positioning groove 3212 for cooperating with the positioning ring 11 is provided on the inner wall of the positioning cover 321; the positioning cover 321 is also provided with a cover body liquid passing hole 3211. The positioning cover 321 is installed and positioned with the positioning ring 11 through the built-in positioning groove 3212, ensuring that the pressing cover body 32 can be installed quickly and accurately; and is connected with the liquid storage cavity 1 through the cover body liquid passing hole 3211; the cover body liquid passing hole 3211 can prevent excessive accumulation of cleaning liquid in the pressing cover body 32.

[0042] In this embodiment, the driving rod 34 extends out of the cleaning cylinder 31 and is connected to the expansion handle 341; a clamping handle 311 is provided at the end of the outer wall of the cleaning cylinder 31; the expansion handle 341 can realize manual rapid liquid extraction and liquid pushing without relying on an external power device; and the clamping handle 311 is used in combination to realize the positioning and assembly of the liquid extraction and liquid pushing mechanism 3.

[0043] In this embodiment, the bearing mounting assembly 2 includes a top shaft base 21 arranged in the liquid storage cavity 1, a top shaft sleeve 22 whose sliding sleeve is arranged on the top shaft base 21, and a top shaft spring 23 installed on the top shaft base 21; the top shaft spring 23 is used to push the top shaft sleeve 22 so that the bearing 5 installed on the top shaft sleeve 22 abuts against the sealing groove 323; the top shaft base 21 is provided with a hollow structure connected to the liquid storage cavity 1, and a one-way valve body 4 is installed at the end of the hollow structure. The one-way valve body 4 includes a valve seat 401 connected to the end of the top shaft base 21, and a valve stem rotatably installed on the valve seat 401. 402 and a valve cover 403 installed at the end of the valve stem 402. When the valve cover is opened, the liquid storage cavity 1 is connected to the liquid outlet end of the liquid pumping and pushing mechanism 3; the top shaft sleeve 22 has at least one shaft support 221; the shaft support 221 is used to support the bottom of the bearing 5; multiple shaft support 221 are distributed in multiple layers along the top shaft sleeve 22; the shaft support 221 includes a first support 2211 and a second support 2212; the top shaft base 21 and the top shaft sleeve 22 are both provided with a top shaft liquid hole 24 for the circulation of cleaning liquid, and the top shaft base 21 is provided with a filter residue net 25 for filtering impurities in the cleaning liquid.

[0044] In this embodiment, the top shaft base 21 is fixed inside the base cavity 1, and the top shaft sliding sleeve 22 is slidably installed on the top shaft base 21, which is used to lift the bearing 5 so that the bearing 5 abuts against the top pressing shaft 323 of the pressing shaft cover 32. The top shaft spring 23 provides thrust for the top shaft sliding sleeve 22 to push the bearing 5 upward, and a support shaft platform 221 is provided to adapt to bearings 5 ​​of different sizes and sizes. In this embodiment, a first support platform 2211 and a second support platform 2212 are provided to adapt to the first groove top 3231 and the second groove top 3232, so as to ensure that the device can adapt to bearings 5 ​​of various types and sizes;

[0045] In this embodiment, the one-way valve body 4 is a gravity valve. When pumping liquid, the cleaning liquid in the internal channel of the top shaft base 21 flows upward to lift the valve cover 403. When pushing liquid, the pressure of the cleaning liquid is applied from top to bottom, and gravity cooperates with pressure to achieve the closure of the valve cover 403. In addition, a filter residue net 25 is provided in the top shaft base 21 to effectively filter the cleaning liquid entering the cleaning chamber from the internal channel of the top shaft base 21, ensuring that impurities or other debris after flushing will not enter for the second time, thereby improving the cleaning efficiency and quality.

[0046] In this embodiment, the cover body 13 is connected to the outer wall of the cleaning cylinder 31, and the cover is arranged on the upper edge of the liquid storage cavity 1; the cover body 13 and the outer wall of the liquid storage cavity 1 are installed by a lock 7; a folding foot pedal 8 is provided at the bottom of the outer wall of the liquid storage cavity 1; the lock 7 is a split lock, one part of which is fixed on the outer wall of the liquid storage cavity 1, and the other part is installed on the cover body 13. When the cover body 13 is installed after the liquid pumping and pushing mechanism 3 is completed, the cover body 13 is assembled and arranged on the upper edge of the liquid storage cavity 1, and is assembled and fixed by the lock 7.

[0047] In this embodiment, a breathable component 12 is provided inside the cover body 13; the breathable component 12 includes a splash-proof cover 121 arranged below the cover body 13, and a sealing cover 122 arranged between the cover body 13 and the splash-proof cover 121; there is a breathable gap 123 between the edge of the splash-proof cover 121 and the liquid storage cavity 1, the sealing cover 122 is connected to the outer wall of the cleaning cylinder 31 at the axis, the edge of the sealing cover 122 is raised and sealed and overlapped on the upper edge of the liquid storage cavity 1, a first gap 124 is formed below the sealing cover 122, and a second gap 125 is formed above the sealing cover 122; and a breathable reflux hole 126 connecting the first gap 124 and the second gap 125 is provided on the sealing cover 122;

[0048] The cover body 13 has an edge with a sealing vent groove 131, the liquid storage cavity 1 is connected with the first gap 124 through the vent gap 123, the first gap 124 is connected with the second gap 125 through the vent reflux hole 126, and the second gap 125 is connected with the external air through the sealing vent groove 131;

[0049] The splash-proof cover 121 is placed in the lower layer to prevent the cleaning liquid from splashing upward, and the air pressure is balanced through the air-permeable gap 123. During the process of pumping and pushing the cleaning liquid, the air in the liquid storage cavity 1 enters the first gap 124 through the air-permeable gap 123, flows through the internal gap between the sealing cover 122 and the splash-proof cover 121, flows to the upper side of the sealing cover 122 through the air-permeable reflux hole 126, and then flows from the second gap 125 to the sealing cover air-permeable groove 131 to exhaust the outside. In the liquid pumping state, the cleaning liquid enters the liquid pushing and pumping mechanism 3 from the liquid storage cavity 1, and the external air enters in the reverse direction along this route.

[0050] The obliquely arranged sealing cover 122 can further help the tiny cleaning liquid beads in the air to flow back through the air-permeable reflux holes 126, thereby preventing the cleaning liquid from being carried out of the liquid storage cavity 1 with the air and polluting the working environment.

[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the scope defined by the spirit of the present invention.

Claims

1. A bearing cleaning device, characterized in that: It comprises a liquid storage cavity (1), a bearing mounting assembly (2) mounted in the liquid storage cavity (1), and a liquid pumping and pushing mechanism (3) extending into the liquid storage cavity (1), wherein the bearing mounting assembly (2) is used to mount a bearing (5) to be cleaned; The liquid outlet end of the liquid pumping and pushing mechanism (3) is sealedly connected to the upper edge of the outer ring of the bearing (5); a one-way channel for allowing the cleaning liquid to flow into the liquid pumping and pushing mechanism (3) in one direction is provided between the liquid pumping and pushing mechanism (3) and the liquid storage cavity (1); When cleaning the bearing (5), the liquid pumping and pushing mechanism (3) extracts cleaning liquid from the liquid storage cavity (1) using a one-way channel, and then pushes the cleaning liquid out of the liquid outlet end, so that the cleaning liquid passes through the internal gap of the bearing (5) into the liquid storage cavity (1) to clean the bearing (5).

2. A bearing cleaning device according to claim 1, characterized in that: The liquid pumping and pushing mechanism (3) comprises a pressure shaft cover (32), a cleaning cylinder (31) connected to the pressure shaft cover (32), a cylinder head (33) slidably arranged in the cleaning cylinder (31), and a driving rod (34) driving the cylinder head (33) to reciprocate; a positioning ring (11) is provided on the inner bottom of the liquid storage cavity (1), and the pressure shaft cover (32) is positioned by the positioning ring (11) and is covered on the bearing (5).

3. A bearing cleaning device according to claim 2, characterized in that: The shaft pressing cover (32) is provided with at least one sealing groove (323) for sealing the upper edge of the outer ring of the bearing (5) and pressing the bearing (5) downward to be mounted on the bearing mounting assembly (2).

4. A bearing cleaning device according to claim 3, characterized in that: The pressing shaft cover body (32) is in a trumpet-shaped structure, and a plurality of sealing grooves (323) are provided. The plurality of sealing grooves (323) are distributed in multiple layers along the pressing shaft cover body (32); the sealing grooves (323) include a first groove top (3231) and a second groove top (3232).

5. A bearing cleaning device according to claim 2, characterized in that: A positioning cover (321) is provided below the pressing shaft cover body (32), and a positioning groove (3212) for cooperating with the positioning ring (11) is provided on the inner wall of the positioning cover (321); the positioning cover (321) is also provided with a cover body liquid passing hole (3211).

6. A bearing cleaning device according to claim 3, characterized in that: The bearing mounting assembly (2) comprises a top shaft base (21) arranged in a liquid storage cavity (1), a top shaft sliding sleeve (22) slidingly arranged on the top shaft base (21), and a top shaft spring (23) mounted on the top shaft base (21); the top shaft spring (23) is used to push the top shaft sliding sleeve (22) so that the bearing (5) mounted on the top shaft sliding sleeve (22) abuts against the sealing groove (323).

7. A bearing cleaning device according to claim 6, characterized in that: The top shaft base (21) is provided with a hollow structure connected to the liquid storage cavity (1), and a one-way valve body (4) is installed at the end of the hollow structure. The one-way valve body (4) includes a valve seat (401) connected to the end of the top shaft base (21), a valve stem (402) rotatably installed on the valve seat (401), and a valve cover (403) installed at the end of the valve stem (402). When the valve cover is opened, the liquid storage cavity (1) is connected to the liquid outlet end of the liquid pumping and pushing mechanism (3).

8. A bearing cleaning device according to claim 6, characterized in that: The top shaft sliding sleeve (22) has at least one bearing platform (221); the bearing platform (221) is used to support the bottom of the bearing (5).

9. A bearing cleaning device according to claim 2, characterized in that: The liquid storage cavity (1) further comprises a cover (13), wherein the cover (13) is connected to the outer wall of the cleaning cylinder (31) and is arranged on the upper edge of the liquid storage cavity (1).

10. A bearing cleaning device according to claim 9, characterized in that: A ventilating component (12) is provided inside the cover body (13); the ventilating component (12) comprises a splash-proof cover (121) provided below the cover body (13), and a sealing cover (122) provided between the cover body (13) and the splash-proof cover (121); There is an air-permeable gap (123) between the edge of the splash-proof cover (121) and the liquid storage cavity (1); the center of the sealing cover (122) is connected to the outer wall of the cleaning cylinder (31); and the edge of the sealing cover (122) is sealed and overlapped on the upper edge of the liquid storage cavity (1); A first gap (124) communicating with the air-permeable gap (123) is provided between the splash-proof cover (121) and the sealing cover (122); A second gap (125) is provided between the sealing cover (122) and the cover body (13); The sealing cover (122) is provided with a ventilation reflux hole (126) near the outer wall of the cleaning cylinder (31) and communicating with the first gap (124) and the second gap (125); The edge of the cover body (13) is provided with a cover ventilation groove (131) which is in communication with the second gap (125).

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