Portable grease filling tool for locomotive bearing
The portable locomotive bearing grease filling tool uses an electric air pump to drive the piston to achieve efficient and accurate grease filling, which solves the problems of low efficiency and difficulty in operation in the existing technology, improves the quality and efficiency of bearing maintenance, and ensures the safe and stable operation of the locomotive.
Patent Information
- Application Number
- CN202422926702.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing locomotive bearing grease filling method is inefficient and difficult to operate, and it is difficult to meet the railway transportation industry's demand for efficient, convenient and accurate maintenance.
A portable grease filling tool for locomotive bearings has been designed. It uses an electric air pump to drive the piston, and the air pressure pushes the grease to flow out automatically. Combined with a convenient connecting pipe design, efficient and accurate grease filling can be achieved.
It greatly reduces the labor intensity of operators, improves filling efficiency, ensures that grease is evenly injected into the bearing, reduces operating difficulty, improves the lubrication condition and service life of the bearing, and ensures the safe and stable operation of the locomotive.
Smart Images

Figure CN223448094U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil injection technical field, concretely relates to portable grease injection tool for locomotive bearing. BACKGROUND
[0002] In the maintenance and care work of railway locomotive, bearing as one of the key components plays a pivotal role for the normal operation of the locomotive. Locomotive bearing will face various complex working conditions in the long running process, such as high speed rotation, heavy load bearing and different environmental temperature changes, which makes the lubricating grease inside the bearing gradually deteriorate, and then affects the performance and service life of the bearing.
[0003] In order to ensure that the locomotive bearing is always in good lubrication state, it needs to be regularly greased. However, according to the actual situation, there are many inconveniences and problems in greasing the locomotive bearing.
[0004] The traditional grease injection method mostly depends on the manual operation of grease gun, and the operator needs to manually press the grease gun to squeeze out the grease and inject it into the bearing. This manual injection method has obvious disadvantages. On the one hand, manual operation needs to consume a lot of manpower, especially when a large number of locomotive bearings are injected, the operator is prone to fatigue, which leads to low efficiency of injection, and with the increase of fatigue, the injection amount of grease may be uneven or not in place, which affects the lubrication effect of the bearing.
[0005] On the other hand, due to the structural characteristics of the locomotive, many bearings are located in a hidden or narrow space, and it is difficult to accurately place the gun head at the bearing oil port using the conventional manual grease gun, which has great difficulty in operation, and sometimes some peripheral parts need to be disassembled to complete the injection work, which not only increases the workload, but also prolongs the maintenance time, affecting the overall repair progress of the locomotive.
[0006] Moreover, with the continuous development of railway transportation industry, the efficiency, convenience and precision of locomotive maintenance and care are increasingly required, and the existing manual grease injection method has been difficult to meet the growing actual demand.
[0007] In summary, the existing grease injection method for locomotive bearing has many shortcomings, and there is an urgent need for a new type of portable tool that can realize efficient and accurate grease injection through electric mode to solve the above problems, improve the quality and efficiency of locomotive bearing grease injection operation, and then ensure the safe and stable operation of the locomotive. Utility model content
[0008] The utility model designs portable grease injection tool for locomotive bearing to solve the above problems.
[0009] In order to achieve the above technical purpose, reach the above technical effect, the utility model is through following technical scheme realizes:
[0010] The utility model discloses a locomotive bearing portable grease filling tool, including the oil drum, be equipped with small -size electric air pump on the bottom end wall of oil drum, be equipped with the air inlet seat on the bottom end wall of small -size electric air pump, be equipped with the connecting seat on the bottom of the lateral wall of oil drum, the sealing cover no.
[0011] Further, the oil outlet mechanism includes a circular plate, the circular plate top end wall is equipped with a circular seat, the circular seat top end wall is equipped with a convex head, the circular seat outer wall is screwed and locked with sealing cover three.
[0012] Further, the connecting pipe, the circular plate, the circular seat and the convex head are connected.
[0013] Further, the air inlet seat inner wall is equipped with filter screen.
[0014] Further, the sealing cover two outer wall is equipped with a plurality of convex blocks.
[0015] The utility model discloses the beneficial effect is:
[0016] The utility model discloses the electric air pump drive mode, through the injection of air to the oil drum and increase pressure, push the piston and make the grease automatic flow to carry out the oil injection operation, need not manual press continuously, greatly alleviate the labor intensity of operating personnel, can complete a plurality of bearing grease filling work in shorter time, effectively improve the overall filling efficiency, help shorten the time period of locomotive bearing maintenance,
[0017] The utility model discloses the piston movement to realize grease filling with the help of stable air pressure, just pre -set grease amount and air pressure and so on related parameters in the oil drum, can control the grease filling amount of each time more accurately, and can guarantee the stability of filling process, make the grease even injects inside the bearing, thereby better guarantee the lubrication state of bearing, improve the performance and service life of bearing,
[0018] The overall structure design is convenient to carry, and the handle can be flexibly moved to different positions for use; meanwhile, the connecting pipe can be conveniently accommodated in the fixing seat, and can be pulled out for use, the convex head can be directly contacted with the bearing to be injected with oil, complicated operation adjustment is not needed, bearing oil injection demand under various complex working conditions can be easily coped with, operation difficulty is greatly reduced, and the oil filling work is more convenient and efficient;
[0019] The utility model discloses through electric drive, convenient operation and accurate oil injection etc. characteristics, overcome the many shortcomings of traditional mode, effectively promote the quality and efficiency of locomotive bearing grease filling operation, fit the high standard requirement of industry development to bearing maintenance work, help to guarantee the long -term safe and stable operation of locomotive, further promote the efficient operation of railway transportation industry. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduce, obviously, the following description in the drawing only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.
[0021] Fig. 1 It is the structure schematic diagram of the utility model;
[0022] Fig. 2 It is the piston structure schematic diagram of the utility model;
[0023] Fig. 3 It is the oil outlet mechanism structure schematic diagram of the utility model.
[0024] In the drawing, the component list represented by each sign is as follows:
[0025] 1, oil drum, 2, small -size electric air pump, 3, air inlet seat, 4, connecting seat, 5, sealing cover one, 6, support seat, 7, connecting plate, 8, handle, 9, fixed seat, 10, top seat, 11, sealing cover two, 12, connecting pipe, 13, round plate, 14, round seat, 15, convex head, 16, sealing cover three, 17, piston. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following in conjunction with the drawings of the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative labor are within the scope of the utility model protection.
[0027] ReferenceFigs. 1-3 As shown, the locomotive bearing portable grease filling tool includes an oil bucket 1, a small electric air pump 2 is arranged on the bottom end wall of the oil bucket 1, an air inlet seat 3 is arranged on the bottom end wall of the small electric air pump 2, a connecting seat 4 is arranged on the bottom of the side wall of the oil bucket 1, a sealing cover one 5 is threadedly locked in the connecting seat 4, a supporting seat 6 is connected with the outer wall of the oil bucket 1 in an interference fit, connecting plates 7 are arranged between the left side walls of the supporting seat 6, handles 8 are arranged on the left side walls of the connecting plates 7, a fixing seat 9 is arranged between the right side walls of the supporting seat 6, a long hole is formed in the outer wall surface of the fixing seat 9, a top seat 10 is arranged on the top end wall of the oil bucket 1, a sealing cover two 11 is threadedly locked in the top seat 10, one end of a connecting pipe 12 is arranged on the top end wall of the sealing cover two 11, an oil outlet mechanism is arranged on the other end of the connecting pipe 12, and a piston 17 is movably embedded in the oil bucket 1.
[0028] Further, the oil outlet mechanism includes a circular plate 13, a circular seat 14 is arranged on the top end wall of the circular plate 13, a convex head 15 is arranged on the top end wall of the circular seat 14, and a sealing cover three 16 is threadedly locked on the outer wall of the circular seat 14, which plays a protective role on the convex head 15 and prevents grease from flowing out.
[0029] Further, the connecting pipe 12, the circular plate 13, the circular seat 14 and the convex head 15 are connected in communication, the small electric air pump 2 is started, air is filtered by a filter screen in the air inlet seat 3 and then injected into the bottom of the oil bucket 1, after the pressure in the bottom of the oil bucket 1 increases, the piston 17 is pushed to move upward, and the grease is pushed by the piston 17 to flow out through the top seat 10, the sealing cover two 11, the connecting pipe 12, the circular plate 13, the circular seat 14 and the convex head 15, thereby achieving the oil filling operation on the bearing.
[0030] Further, a filter screen is arranged on the inner wall of the air inlet seat 3, which facilitates the filtering operation of the air entering the oil bucket 1.
[0031] Further, a plurality of convex blocks are arranged on the outer wall of the sealing cover two 11, which facilitates the rotation of the sealing cover two 11.
[0032] The detailed connection means is a well-known technology in the art, all components in the present scheme are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known by technical personnel or obtained through conventional experimental methods.
[0033] One specific application of the embodiment is:
[0034] In use, the sealing cover one 5 is rotated out of the connecting seat 4, the piston 17 is pushed from top to bottom into the bottom of the oil bucket 1, the sealing cover one 5 is tightened, the grease is injected into the oil bucket 1 through the top seat 10, the sealing cover two 11 is tightened on the top seat 10, the connecting pipe 12 is clamped into the fixing seat 9 from the long hole, the connecting pipe 12 is stored, the device is carried and moved by the handles 8 for use.
[0035] When the oil needs to be added, the connecting pipe 12 is pulled out from the fixing base 9, the sealing cover three 16 is rotated and removed from the round base 14 and the convex head 15, the convex head 15 is contacted with the bearing to be filled with oil, the small electric air pump 2 is started, the air is injected into the bottom of the oil tank 1 after being filtered by the filter screen in the air inlet base 3, after the pressure of the bottom of the oil tank 1 is increased, the piston 17 is pushed to move upward, the oil is pushed by the piston 17 to flow out through the top base 10, the sealing cover two 11, the connecting pipe 12, the round plate 13, the round base 14 and the convex head 15, and the bearing is filled with oil.
[0036] Of course, the above description is not a limitation of the utility model, the utility model is not limited to the above examples, and the changes, changes, additions or replacements made by the ordinary skilled in the art within the essential scope of the utility model shall belong to the protection scope of the utility model.
Claims
1. Portable grease filling tool for locomotive bearings, characterized by: Including oil drum (1), The bottom end wall of the oil barrel (1) is provided with a small electric air pump (2), the bottom end wall of the small electric air pump (2) is provided with an air inlet seat (3), the bottom of the side wall of the oil barrel (1) is provided with a connecting seat (4), the connecting seat (4) is internally threaded and locked with a sealing cover (5), the outer wall of the oil barrel (1) is connected with a support seat (6) by interference fit, a connecting plate (7) is provided between the left side walls of the support seat (6), a handle (8) is provided on the left side wall of the connecting plate (7), a fixing seat (9) is provided between the right side walls of the support seat (6), and a long strip hole is opened on the outer wall surface of the fixing seat (9), a top seat (10) is provided on the top end wall of the oil barrel (1), the top seat (10) is internally threaded and locked with a sealing cover (11), one end of a connecting pipe (12) is provided on the top end wall of the sealing cover (11), and an oil outlet mechanism is provided at the other end of the connecting pipe (12), and a piston (17) is movably embedded in the oil barrel (1).
2. The portable grease filling tool for locomotive bearings according to claim 1 is characterized by: The oil outlet mechanism comprises a circular plate (13), a circular seat (14) is provided on the top wall of the circular plate (13), a convex head (15) is provided on the top wall of the circular seat (14), and a sealing cover (16) is threadedly locked on the outer wall of the circular seat (14).
3. The portable grease filling tool for locomotive bearings according to claim 2 is characterized in that: The connecting pipe (12), the circular plate (13), the round seat (14) and the convex head (15) are connected to each other.
4. The portable grease filling tool for motorcycle bearings according to claim 1 is characterized in that: A filter screen is provided on the inner wall of the air inlet seat (3).
5. The portable grease filling tool for motorcycle bearings according to claim 1 is characterized in that: A plurality of protrusions are provided on the outer wall of the second sealing cover (11).