CN210662268U - Railway bearing grease injection device - Google Patents
Railway bearing grease injection device Download PDFInfo
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- CN210662268U CN210662268U CN201921764039.5U CN201921764039U CN210662268U CN 210662268 U CN210662268 U CN 210662268U CN 201921764039 U CN201921764039 U CN 201921764039U CN 210662268 U CN210662268 U CN 210662268U
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- grease
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Abstract
The utility model relates to a fat technical field is annotated to the bearing, a railway bearing annotates fat device is disclosed, the test platform comprises a support, the frame is connected with the axle sleeve, the axle sleeve is connected with annotates the fat pipe, annotate fat union coupling and have the notes fat pump, annotate the notes pipe under fat pipe fixedly connected with, it is located the axle sleeve middle part to make a bet the pipe, it is equipped with the nozzle to make a bet, the nozzle is corresponding with railway bearing inner circle space, set up on the axle sleeve and annotate the just right oil outlet of nozzle, it is connected with compressor arrangement to annotate fat pipe department near down, it forms the oil return clearance to annotate between fat pipe end portion and the lower pipe, compressor arrangement includes cylinder and piston rod and. Lubricating grease flows out from the grease injection pump, flows through the grease injection pipe and enters the lower injection pipe, flows out from a nozzle of the lower injection pipe, and is injected into a gap of an inner ring of the railway bearing through the oil outlet, the cylinder drives the piston to move towards the direction far away from the lower injection pipe, after the grease injection is finished, the lubricating grease can preferentially flow into a cavity between the lower injection pipe and the piston during the backflow, and the backflow amount of the lubricating grease is small.
Description
Technical Field
The utility model relates to a fat technical field is annotated to the bearing, in particular to fat device is annotated to railway bearing.
Background
In the technical field of bearing grease injection, the railway bearing grease injection device is suitable for bearing grease injection work of large vehicles such as railway passenger cars, subways and the like.
Chinese patent publication No. CN1590830A discloses a bearing double-side grease injection system, belonging to the technical field of bearing grease injection. The grease pouring device comprises an upper grease pouring device and a lower grease pouring device, wherein the upper grease pouring device consists of an end cover 1, a shaft, an upper shell, an upper grease pouring nozzle and an upper guide sleeve, and the lower grease pouring device consists of a cover, a lower grease pouring nozzle, a lower guide sleeve, a shaft and a lower shell; the air inlet and outlet of the air hole controls the up-and-down movement of the shaft of the upper grease injection device, during grease injection, the upper grease injection nozzle enters a gap of the inner ring of the bearing to inject grease, the lower grease injection nozzle enters a gap of the outer ring of the bearing to inject grease, the grease after grease injection is uniformly distributed in gaps among rollers of the bearing, the grease injection amount is controlled by the proportional valve, and the upper grease injection amount and the lower grease injection amount are equal. The invention has the advantages of uniform and stable grease injection amount after grease injection and light grease sticking phenomenon.
The device is in annotating the fat in-process to the bearing, annotates the fat and need two side injections, and when annotating the fat volume great, internal pressure increases, leads to the grease backward flow easily, has more lubricating grease backward flow.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a railway bearing annotates fat device has the less advantage of backward flow lubricating grease.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a railway bearing annotates fat device, includes the frame, the frame is connected with the axle sleeve, the axle sleeve is connected with annotates the fat pipe, it is connected with annotates the fat pump to annotate the fat union coupling, annotate the pipe under fat pipe fixedly connected with, it is located the axle sleeve middle part to make a bet the pipe, it is equipped with the nozzle down to annotate the pipe, the nozzle is corresponding with railway bearing inner circle space, set up on the axle sleeve with annotating the just right oil outlet of nozzle, it is connected with compressor arrangement to annotate fat pipe near down notes pipe department, it forms the oil return clearance to annotate between fat pipe end portion and the pipe of making a bet, compressor arrangement includes cylinder and piston rod and piston, the cylinder passes through piston rod and piston connection, piston sliding.
Through adopting above-mentioned technical scheme, lubricating grease from annotating the flow of fat pump, flow through annotate the fat pipe and get into down the notes pipe, lubricating grease flows out from the notes mouth of pouring the pipe, pour into railway bearing inner race space through the oil outlet in, annotate and form the oil return clearance between fat pipe and the lower pipe, piston sliding connection is in the oil return clearance, cylinder drive piston is to keeping away from and pouring the pipe direction removal down, annotate the fat after accomplishing, lubricating grease can preferentially flow into down in the cavity between notes pipe and the piston when the backward flow, the reflux volume of lubricating grease is less.
Furthermore, a compression nut is arranged at the joint of the piston rod and the piston and is in threaded connection with the piston rod.
Through adopting above-mentioned technical scheme, through setting up gland nut, improve the stability of piston rod and piston junction, extension piston rod life.
Furthermore, the piston is provided with a sealing ring, and the sealing ring is abutted against the inner wall of the grease injection pipe.
Through adopting above-mentioned technical scheme, the sealing washer is contradicted with annotating the grease pipe inner wall, can effectually strengthen the leakproofness between piston and the grease pipe inner wall, improves and annotates the fat effect.
Furthermore, the grease injection pipe comprises a hose and a fixed pipe, one end of the hose is connected with the port of the fixed pipe, and the other end of the hose is connected with the compression device.
Through adopting above-mentioned technical scheme, through setting up the hose for annotate the fat pipe and have better elasticity and bending nature, the hose is soft in the same direction as smooth, the lubricating grease transmission of being convenient for.
Furthermore, the base is connected with a compressing cylinder, and an output shaft of the compressing cylinder is fixedly connected with the shaft sleeve.
Through adopting above-mentioned technical scheme, compress tightly the cylinder and drive the axle sleeve for the axle sleeve stretches into railway bearing inner race and is fixed with railway bearing, and then conveniently annotates fat to railway bearing inner race.
Furthermore, the upper end face of the shaft sleeve is provided with a reinforcing rib plate, the reinforcing rib plate is provided with a through hole corresponding to the output shaft of the compression cylinder, the output shaft of the compression cylinder penetrates through the reinforcing rib plate, and the reinforcing rib plate is connected with the shaft sleeve through a bolt.
Through adopting above-mentioned technical scheme, through the setting of strengthening rib plate, be favorable to improving the stability of being connected between compressing tightly cylinder output shaft and the axle sleeve.
Further, the injection nozzle is connected with a lantern ring, the lantern ring is provided with a plurality of round holes, and the round holes are opposite to the oil outlet.
Through adopting above-mentioned technical scheme, lubricating grease flows through the round hole on the lantern ring, and the round hole is just right with the oil outlet for annotate that the fat is more even, reduce the backward flow of lubricating grease.
Further, the frame is connected with the fixing base, annotate the fat pipe and pass the fixing base, the fixing base passes through bolted connection with the frame.
Through adopting above-mentioned technical scheme, through the setting of fixing base for annotate on the fat pipe is fixed in the frame, stability when improving notes fat pipe notes fat.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the compression device, the lubricating grease can preferentially flow into a cavity between the lower injection pipe and the piston during backflow, so that the backflow amount of the lubricating grease is reduced;
2. the sealing performance between the piston and the inner wall of the grease injection pipe is enhanced through the arrangement of the sealing ring, and the grease injection effect is improved;
3. through the setting of the lantern ring for annotate that the fat is comparatively even, reduce the backward flow of lubricating grease.
Drawings
FIG. 1 is an overall schematic view of the embodiment;
FIG. 2 is a schematic sectional view of the embodiment;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a machine base; 2. a shaft sleeve; 3. a grease injection pipe; 4. a grease injection pump; 5. a lower injection pipe; 7. injecting a nozzle; 8. a compression device; 9. a cylinder; 10. a piston rod; 11. a piston; 12. a compression nut; 13. a seal ring; 14. a hose; 15. a fixed tube; 16. a pressing cylinder; 17. a reinforcing rib plate; 18. a collar; 19. a circular hole; 20. a fixed seat; 21. an oil outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
a railway bearing grease injection device is shown in figure 1 and comprises a base 1, wherein the base 1 is formed by casting pig iron, so that the base 1 has certain rigidity and can bear certain weight. The frame 1 is connected with axle sleeve 2, and axle sleeve 2 is connected with annotates fat pipe 3, annotates fat pipe 3 and is connected with notes fat pump 4, annotates fat pump 4 and provides the lubricating grease that pours into the railway bearing inner race space, annotates fat pipe 3 and includes hose 14 and fixed pipe 15, and hose 14 one end is connected with fixed pipe 15 port, and the other end links to each other with compressor arrangement 8. Through the arrangement of the hose 14, the grease injection pipe 3 has flexibility, and grease transmission and up-and-down movement of the shaft sleeve 2 are facilitated. The machine base 1 is connected with a pressing cylinder 16, an output shaft of the pressing cylinder 16 is fixedly connected with the shaft sleeve 2, and the pressing cylinder 16 drives the shaft sleeve 2 to enable the shaft sleeve 2 to extend into an inner ring of a railway bearing to be fixed with the railway bearing.
As shown in fig. 1, the upper end surface of the shaft sleeve 2 is provided with a reinforcing rib 17, an output shaft of the pressing cylinder 16 passes through the reinforcing rib 17, and the reinforcing rib 17 is connected with the shaft sleeve 2 through a bolt. Through setting up the enhancement floor 17, improve the stability of being connected between compressing tightly cylinder 16 output shaft and the axle sleeve 2. The frame 1 is connected with fixing base 20, annotates fat pipe 3 and passes fixing base 20, and fixing base 20 passes through bolted connection with frame 1 for annotate on fat pipe 3 is fixed in frame 1, improve the stability of annotating fat pipe 3 when annotating the fat.
As shown in fig. 2, the lower injection pipe 5 is fixedly connected to the grease injection pipe 3, the lower injection pipe 5 is located in the middle of the shaft sleeve 2, the lower injection pipe 5 is provided with an injection nozzle 7, the shaft sleeve 2 is provided with an oil outlet 21 opposite to the injection nozzle 7, the injection nozzle 7 is connected with a lantern ring 18, the lantern ring 18 is provided with a plurality of round holes 19, and the round holes 19 are opposite to the oil outlet 21. The injection nozzle 7 corresponds to the gap of the inner ring of the railway bearing, lubricating grease flows through the grease injection pipe 3 and enters the lower injection pipe 5, an oil return gap is formed between the end part of the grease injection pipe 3 and the lower injection pipe 5, the lubricating grease flows out through the round hole 19 on the lantern ring 18 and flows through the oil outlet 21 and is injected into the gap of the inner ring of the railway bearing, so that the grease injection is more uniform, and the backflow of the lubricating grease is reduced.
As shown in fig. 2 and 3, a compression device 8 is connected to the grease injection pipe 3 near the lower grease injection pipe 5, the compression device 8 includes a cylinder 9, a piston rod 10 and a piston 11, the cylinder 9 is connected with the piston 11 through the piston rod 10, and the piston 11 is slidably connected in the oil return gap. The cylinder 9 moves to move the piston 11 away from the lower nozzle 5, so that after the grease is injected, the grease flows into the cavity between the lower nozzle 5 and the piston 11 preferentially during the backflow, and the backflow amount of the grease is small. The compression nut 12 is arranged at the joint of the piston rod 10 and the piston 11, the compression nut 12 is in threaded connection with the piston rod 10, the connection stability of the piston rod 10 and the piston 11 is improved, and the service life of the piston rod 10 is prolonged. Piston 11 is equipped with sealing washer 13, and sealing washer 13 contradicts with annotating the 3 inner walls of fat pipe, strengthens the leakproofness between piston 11 and the 3 inner walls of annotating the fat pipe, improves and annotates the fat effect.
The specific implementation process comprises the following steps: when people use the railway bearing grease injection device, the pressing cylinder 16 drives the shaft sleeve 2 to enable the shaft sleeve 2 to extend into the railway bearing inner ring to be fixed with the railway bearing. The grease injection pump 4 is controlled to enable lubricating grease to flow out of the grease injection pump 4, the grease injection pump 4 flows through the grease injection pipe 3 to enter the lower injection pipe 5, an oil return gap is formed between the end of the grease injection pipe 3 and the lower injection pipe, the lubricating grease flows out of the round hole 19 in the lantern ring 18 and is injected into the gap of the inner ring of the railway bearing through the oil outlet 21, so that the grease injection is more uniform, and the backflow of the lubricating grease is reduced. The cylinder 9 drives the piston 11 to move away from the lower injection pipe 5, and after the grease injection is completed, the grease flows into the cavity between the lower injection pipe 5 and the piston 11 preferentially during the backflow, so that the backflow amount of the grease is small.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a railway bearing annotates fat device, includes frame (1), its characterized in that: the machine base (1) is connected with an axle sleeve (2), the axle sleeve (2) is connected with a grease injection pipe (3), the grease injection pipe (3) is connected with a grease injection pump (4), the grease injection pipe (3) is fixedly connected with a lower grease injection pipe (5), the lower grease injection pipe (5) is positioned in the middle of the axle sleeve (2), the lower grease injection pipe (5) is provided with a grease injection nozzle (7), the grease injection nozzle (7) corresponds to the inner ring gap of a railway bearing, the axle sleeve (2) is provided with an oil outlet (21) which is right opposite to the grease injection nozzle (7), the grease injection pipe (3) is close to the lower grease injection pipe (5) and is connected with a compression device (8), an oil return gap is formed between the end of the grease injection pipe (3) and the lower grease injection pipe (5), the compression device (8) comprises an air cylinder (9) and a piston rod (10) and a piston (11), the air cylinder (9) is connected with the piston, the piston (11) is connected in the oil return gap in a sliding mode.
2. A railway bearing greasing device as claimed in claim 1, wherein: a compression nut (12) is arranged at the joint of the piston rod (10) and the piston (11), and the compression nut (12) is in threaded connection with the piston rod (10).
3. A railway bearing greasing device as claimed in claim 2, wherein: piston (11) are equipped with sealing washer (13), sealing washer (13) are contradicted with notes fat pipe (3) inner wall.
4. A railway bearing greasing device as claimed in claim 1, wherein: annotate fat pipe (3) including hose (14) and fixed pipe (15), hose (14) one end is connected with fixed pipe (15) port, and the other end links to each other with compressor arrangement (8).
5. A railway bearing grease injection device according to claim 4, wherein: the machine base (1) is connected with a pressing air cylinder (16), and an output shaft of the pressing air cylinder (16) is fixedly connected with the shaft sleeve (2).
6. A railway bearing grease injection device according to claim 5, wherein: the upper end face of the shaft sleeve (2) is provided with a reinforcing rib plate (17), the reinforcing rib plate (17) is provided with a through hole corresponding to an output shaft of the pressing cylinder (16), the output shaft of the pressing cylinder (16) penetrates through the reinforcing rib plate (17), and the reinforcing rib plate (17) is connected with the shaft sleeve (2) through a bolt.
7. A railway bearing greasing device as claimed in claim 1, wherein: the injection nozzle (7) is connected with a sleeve ring (18), the sleeve ring (18) is provided with a plurality of round holes (19), and the round holes (19) are opposite to the oil outlet holes (21).
8. A railway bearing greasing device as claimed in claim 1, wherein: the base (1) is connected with a fixing seat (20), the grease injection pipe (3) penetrates through the fixing seat (20), and the fixing seat (20) is connected with the base (1) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921764039.5U CN210662268U (en) | 2019-10-18 | 2019-10-18 | Railway bearing grease injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921764039.5U CN210662268U (en) | 2019-10-18 | 2019-10-18 | Railway bearing grease injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210662268U true CN210662268U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921764039.5U Active CN210662268U (en) | 2019-10-18 | 2019-10-18 | Railway bearing grease injection device |
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| Country | Link |
|---|---|
| CN (1) | CN210662268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047816A (en) * | 2021-04-14 | 2021-06-29 | 成都鑫泽机械有限公司 | Numerical control intelligent processing energy-saving beam-pumping unit |
| CN113775914A (en) * | 2021-10-25 | 2021-12-10 | 山东博特轴承有限公司 | Bearing lubricating grease filling device |
-
2019
- 2019-10-18 CN CN201921764039.5U patent/CN210662268U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047816A (en) * | 2021-04-14 | 2021-06-29 | 成都鑫泽机械有限公司 | Numerical control intelligent processing energy-saving beam-pumping unit |
| CN113047816B (en) * | 2021-04-14 | 2022-08-23 | 成都鑫泽机械有限公司 | Numerical control intelligent processing energy-saving beam-pumping unit |
| CN113775914A (en) * | 2021-10-25 | 2021-12-10 | 山东博特轴承有限公司 | Bearing lubricating grease filling device |
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