Railway axle box bearing grease filling tool

Abstract

The utility model discloses a railway axle box bearing grease filling tool, and relates to the technical field of bearing maintenance, the railway axle box bearing grease filling tool comprises a table top, the top end of the table top is provided with a through groove, the inner wall of the through groove is provided with a turnover device, the turnover device comprises a supporting frame, the inner walls of the two sides of the supporting frame are connected with pull rods in a penetrating mode, and the pull rods are connected with the through groove. One ends of the two pull rods are fixedly connected with pull plates, one ends of the two pull rods are fixedly connected with fixing frames, one ends of the two fixing frames are fixedly connected with four first springs, and one ends of the four first springs are jointly and fixedly connected with the inner wall of one side of a supporting frame. The two ends of the two fixing frames are fixedly connected with clamping plates, one ends of the four connecting rods are fixedly connected with semicircular plates used in cooperation with the clamping plates, and the grease filling tool for the railway axle box bearing carries out grease filling on the two faces of the bearing so that the accuracy and uniformity of the grease filling amount can be guaranteed; and grease can be automatically injected into the railway axle box bearing.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing maintenance, in particular to a railway axle box bearing grease filling tool. Background Art

[0002] During the inspection of subway axle boxes, it is necessary to take out the bearings in the axle boxes and then lubricate the bearings. Currently, the main method is to inject grease into the gap where the cage is located, and then rotate the bearing to achieve lubrication. The railway axle box bearing oiling mainly relies on manual or semi-automatic equipment.

[0003] However, the prior art still has the following problems:

[0004] Firstly, with the continuous development of railway technology, the requirements for the oil filling quality of axle box bearings are getting higher and higher. However, it is difficult to ensure the accuracy and uniformity of the oil filling amount without effectively filling both sides of the bearing, which may lead to premature wear or failure of the bearing.

[0005] Secondly, although the manual oiling method is flexible, it is relatively inefficient, and there are operational errors and safety hazards. It is slow and inefficient, and cannot effectively and automatically add grease to the railway axle box bearings, so it has low practicality.

[0006] In view of the above problems, the inventor proposes a railway axle box bearing grease filling tool to solve the above problems. Utility Model Content

[0007] In order to solve the problems that it is difficult to ensure the accuracy and uniformity of the oil filling amount by effectively filling oil on both sides of the bearing and it is difficult to effectively and automatically fill grease into the railway axle box bearing; the purpose of the utility model is to provide a railway axle box bearing grease filling tool.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a railway axle box bearing grease filling tool, including a table top, both sides of the top of the table top are jointly provided with a lifting device, the top of the table top is provided with an oil filling assembly, the top of the table top is provided with a through groove, the inner wall of the through groove is provided with a flipping device, the flipping device includes a support frame, the inner walls of both sides of the support frame are connected with pull rods, one end of the two pull rods are fixedly connected with a pull plate, one end of the two pull rods are fixedly connected with a fixed frame, one end of the opposite surface of the two fixed frames is arc-shaped, one end of the two fixed frames are fixedly connected with four first springs, one end of the four first springs are jointly fixedly connected to the inner wall of one side of the support frame, and both ends of the two fixed frames are fixed A card plate is connected, and two connecting rods are connected at both ends of the support frame, and one end of the four connecting rods is fixedly connected to the first limit plate, and one end of the four connecting rods is fixedly connected to a semicircular plate used in conjunction with the card plate, the outer surface of the semicircular plate fits the inner wall of the card plate, and the outer surface of the connecting rod is sleeved with a third spring, one end of the third spring is fixedly connected to one end of the semicircular plate, and one end of the third spring is fixedly connected to an inner wall of one side of the support frame. Both ends of the support frame are fixedly connected to the support rods, one end of the two support rods respectively penetrates the inner wall of one side of the through groove, and one end of the two insertion rods are respectively inserted on both sides of one end of the table top, and one end of the two support rods is fixedly connected to a rotating plate, and insertion rods are inserted on both sides of one end of the two rotating plates.

[0009] Preferably, the oil injection assembly comprises a shell, the inner walls on both sides of the shell are rotatably connected with the second rotating shaft, the outer surface of the second rotating shaft is sleeved with the second gear, the outer surface of the second gear is meshed and connected with two second tooth plates, one end of the two second tooth plates are fixedly connected with the second limiting plates, a second slide groove is provided at the lower part of one end of the shell, wherein the outer surface of the lower fixed plate is in contact with the inner wall of the second slide groove, one end of the two second tooth plates are fixedly connected with the fixing plate, a cylinder is fixedly connected with the lower part of one end of the shell, the output end of the cylinder is fixedly connected with one side of the bottom end of the lower fixed plate, wherein one end of the upper fixed plate is fixedly connected with a fixing rod, and the bottom end of the fixing rod is fixedly connected with a piston, the lower inner wall of the shell is penetrated with a tube body, the outer surface of the tube body is penetrated with a connecting pipe, the outer surface of the connecting pipe is penetrated and connected with one end of the shell, the top end of the connecting pipe is fixedly connected with a feeding funnel, one end of the fixing rod is penetrated and connected with the top end of the tube body, and the bottom end of the tube body is fixedly connected with an oil outlet.

[0010] Preferably, the lifting device includes a bracket, and the two sides of the bottom end of the bracket are respectively fixedly connected to the two sides of the top end of the table top, and the inner walls on both sides of the bracket are provided with a third sliding groove, and the upper and lower sides of the inner walls of one of the third sliding grooves are rotatably connected with a screw rod, and the upper and lower sides of the inner walls of the other third sliding groove are fixedly connected with a driven rod, and the outer surfaces of the screw rod and the driven rod are jointly sleeved with a slide plate, and the bottom end of the slide plate is fixedly connected to the top end of the shell, and a motor is provided on one side of the top end of the bracket, and the output end of the motor passes through the top end of the bracket and is fixedly connected to the top end of the screw rod.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model can limit the clamping plate through a semicircular plate so that the two fixed frames can clamp the bearing together, rotate the rotating plate, the rotating plate drives the support rod to rotate, and the support rod drives the support frame to rotate, thereby achieving the purpose of effectively filling oil on both sides of the bearing to ensure the accuracy and uniformity of the oil filling amount;

[0013] 2. The utility model can drive the fixing rod to move downward by the upper fixing plate moving downward, and the fixing rod moves downward to drive the piston to move downward on the inner wall of the tube body, and the grease flows out from the oil outlet under the pressure applied by the piston, thereby achieving the purpose of automatically filling grease to the railway axle box bearing effectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 work.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the turning device of the utility model.

[0017] Figure 3 This is a schematic diagram of the oil injection assembly device of the utility model.

[0018] Figure 4 It is a schematic diagram of the lifting device of the utility model.

[0019] Figure 5 It is a partial structural schematic diagram of the utility model.

[0020] In the figure: 1, table; 2, oil filling assembly; 3, turning device; 4, lifting device; 5, through slot; 201, housing; 203, second rotating shaft; 204, second gear; 205, second tooth plate; 206, second limit plate; 207, fixed plate; 208, cylinder; 209, second slide slot; 210, fixed rod; 211, piston; 212, pipe body; 213, connecting pipe; 214, feeding funnel; 215, Oil outlet; 301, support frame; 302, pull rod; 303, pull plate; 304, fixed frame; 305, clamping plate; 306, connecting rod; 307, first limit plate; 308, semicircular plate; 309, third spring; 310, first spring; 311, support rod; 312, rotating plate; 313, plug rod; 41, bracket; 42, third slide groove; 43, screw rod; 44, motor; 45, driven rod; 46, slide plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Example: Figure 1-5As shown, the utility model provides a railway axle box bearing grease filling tool, including a table top 1, a lifting device 4 is commonly provided on both sides of the top of the table top 1, an oil filling assembly 2 is provided on the top of the table top 1, a through groove 5 is opened on the top of the table top 1, and a flip device 3 is provided on the inner wall of the through groove 5, and the flip device 3 includes a support frame 301, and the inner walls of both sides of the support frame 301 are penetrated and connected with a pull rod 302, one end of the two pull rods 302 are fixedly connected to a pull plate 303, one end of the two pull rods 302 are fixedly connected to a fixed frame 304, and the two The ends of the opposite surfaces of the fixed frames 304 are arc-shaped, and the ends of the two fixed frames 304 are fixedly connected to four first springs 310, and the ends of the four first springs 310 are fixedly connected to the inner wall of one side of the support frame 301, and the two ends of the two fixed frames 304 are fixedly connected to the card plate 305, and the two ends of the support frame 301 are penetrated and connected to two connecting rods 306, and the ends of the four connecting rods 306 are fixedly connected to the first limit plate 307, and the ends of the four connecting rods 306 are fixedly connected to the semicircular plate used in conjunction with the card plate 305. 308, the outer surface of the semicircular plate 308 is in contact with the inner wall of the card plate 305, the outer surface of the connecting rod 306 is sleeved with a third spring 309, one end of the third spring 309 is fixedly connected to one end of the semicircular plate 308, one end of the third spring 309 is fixedly connected to one side inner wall of the support frame 301, and both ends of the support frame 301 are fixedly connected to support rods 311, one end of the two support rods 311 respectively penetrates one side inner wall of the through groove 5, one end of the two insertion rods 313 are respectively inserted on both sides of one end of the table 1, and the two support rods 311 are fixedly connected to the inner wall of the through groove 5. The two ends of the two rotating plates 312 are fixedly connected, and the two ends of the two rotating plates 312 are both inserted with insertion rods 313. The semicircular plate 308 limits the clamping plate 305 so that the two fixed frames 304 clamp the bearing together, and the rotating plate 312 is rotated. The rotating plate 312 drives the support rod 311 to rotate, and the support rod 311 drives the support frame 301 to rotate. When the support frame 301 rotates to the back, the two insertion rods 313 are inserted into the two sides of one end of the rotating plate 312 and enter the inner wall of one end of the table 1, which can effectively fill oil on both sides of the bearing to ensure the accuracy and uniformity of the oil filling amount.

[0023] The oil injection assembly 2 includes a shell 201, and the inner walls on both sides of the shell 201 are rotatably connected with a second shaft 203, the outer surface of the second shaft 203 is sleeved with a second gear 204, and the outer surface of the second gear 204 is meshed and connected with two second tooth plates 205, and one end of the two second tooth plates 205 is fixedly connected with a second limit plate 206, and a second slide groove 209 is provided at the lower part of one end of the shell 201, wherein the outer surface of the lower fixed plate 207 is fitted with the inner wall of the second slide groove 209, and one end of the two second tooth plates 205 is fixedly connected with a fixed plate 207, and a cylinder 208 is fixedly connected to the lower part of one end of the shell 201, and the output end of the cylinder 208 is fixedly connected to one side of the bottom end of the lower fixed plate 207, wherein one end of the upper fixed plate 207 is fixedly connected to a fixed rod 210, and the bottom end of the fixed rod 210 is fixed A piston 211 is connected, a tube body 212 is penetrated through the lower inner wall of the shell 201, a connecting tube 213 is penetrated through the outer surface of the tube body 212, the outer surface of the connecting tube 213 is penetrated and connected to one end of the shell 201, a feeding funnel 214 is fixedly connected to the top of the connecting tube 213, one end of the fixing rod 210 is penetrated and connected to the top of the tube body 212, an oil outlet 215 is fixedly connected to the bottom end of the tube body 212, the second gear 204 rotates to drive another second tooth plate 205 to move downward, the other second tooth plate 205 moves downward to drive the upper fixing plate 207 to move downward, the upper fixing plate 207 moves downward to drive the fixing rod 210 to move downward, the fixing rod 210 moves downward to drive the piston 211 to move downward on the inner wall of the tube body 212, grease flows out from the oil outlet 215 under the pressure applied by the piston 211, and can effectively automatically add grease to the railway axle box bearing.

[0024] The lifting device 4 includes a bracket 41, and both sides of the bottom end of the bracket 41 are fixedly connected to the two sides of the top of the table 1 respectively. The inner walls of both sides of the bracket 41 are provided with third sliding grooves 42, and the upper and lower sides of the inner walls of one of the third sliding grooves 42 are rotatably connected with a screw rod 43, and the upper and lower sides of the inner walls of the other third sliding groove 42 are fixedly connected with a driven rod 45. The outer surfaces of the screw rod 43 and the driven rod 45 are jointly sleeved with a slide plate 46, and the bottom end of the slide plate 46 is fixedly connected to the top of the shell 201. A motor 44 is provided on one side of the top of the bracket 41, and the output end of the motor 44 passes through the top of the bracket 41 and is fixedly connected to the top of the screw rod 43. The output end of the motor 44 rotates to drive the screw rod 43 to rotate, and the screw rod 43 rotates to drive the slide plate 46 to slide downward on the outer surface of the driven rod 45, and the slide plate 46 descends to drive the shell 201 to descend.

[0025] Working principle: Pull the two pull plates 303 respectively, the two pull plates 303 respectively drive the pull rods 302 to move, the two pull rods 302 respectively drive the fixed frame 304 to move, the two fixed frames 304 move to both sides respectively, the two fixed frames 304 move and squeeze the multiple first springs 310 respectively, the fixed frames 304 respectively drive the card plate 305 to move, pull the first limit plate 307 respectively, the first limit plate 307 drives the connecting rod 306 to move, and the connecting rod 306 drives the third spring 309 to compress and deform when moving, the connecting rod 306 drives the semicircular plate 308 to move, and the fixed frame 304 drives the card plate 305 to move. When the inner wall of the card plate 305 fits with the outer surface of the semicircular plate 308, the bearing is placed in the two The first limiting plate 307 is loosened in the middle of one end of the opposite surface of the fixed frame 304, and the third spring 309 is stretched by the force disappearing. The third spring 309 drives the outer surface of the semicircular plate 308 to enter the inner wall of the clamping plate 305. The semicircular plate 308 limits the clamping plate 305 so that the two fixed frames 304 clamp the bearing together, and the rotating plate 312 is rotated. The rotating plate 312 drives the support rod 311 to rotate, and the support rod 311 drives the support frame 301 to rotate. When the support frame 301 rotates to the back, the two insertion rods 313 are inserted into the two sides of one end of the rotating plate 312 and enter the inner wall of one end of the table 1, thereby achieving the purpose of effectively filling oil on both sides of the bearing to ensure the accuracy and uniformity of the oil filling amount;

[0026] The motor 44 in the lifting device 4 is turned on, and the output end of the motor 44 rotates to drive the screw rod 43 to rotate. The screw rod 43 rotates to drive the slide plate 46 to slide downward on the outer surface of the driven rod 45. The slide plate 46 descends to drive the housing 201 to descend. When the bottom end of the oil outlet 215 fits with the top end of the bearing, the cylinder 208 in the oil injection assembly 2 is turned on, and the output end of the cylinder 208 lifts the lower fixed plate 207 to slide in the inner wall of the second slide groove 209. The lower fixed plate 207 drives one of the second tooth plates 205 to move upward, and one of the second tooth plates 205 moves upward. The movement drives the second gear 204 to rotate on the outer surface of the second rotating shaft 203, and the rotation of the second gear 204 drives the other second tooth plate 205 to move downward, and the other second tooth plate 205 moves downward and drives the upper fixed plate 207 to move downward, and the upper fixed plate 207 moves downward and drives the fixing rod 210 to move downward, and the fixing rod 210 moves downward and drives the piston 211 to move downward on the inner wall of the tube body 212, and the grease flows out from the oil outlet 215 under the pressure applied by the piston 211, thereby achieving the purpose of effectively and automatically filling grease to the railway axle box bearing.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A railway axle box bearing grease filling tool, comprising a table (1), characterized in that: A lifting device (4) is provided on both sides of the top of the table top (1), an oil injection assembly (2) is provided on the top of the table top (1), a through groove (5) is provided on the top of the table top (1), and a turning device (3) is provided on the inner wall of the through groove (5); The flipping device (3) comprises a support frame (301), the inner walls on both sides of the support frame (301) are connected with pull rods (302), one end of the two pull rods (302) is fixedly connected with a pull plate (303), one end of the two pull rods (302) is fixedly connected with a fixed frame (304), one end of the two fixed frames (304) is fixedly connected with four first springs (310), one end of the four first springs (310) is fixedly connected to the inner wall of one side of the support frame (301), and both ends of the two fixed frames (304) are fixedly connected with a clamping plate (305). Two connecting rods (306) are connected through both ends of (301), one end of the four connecting rods (306) is fixedly connected to the first limit plate (307), one end of the four connecting rods (306) is fixedly connected to a semicircular plate (308) used in conjunction with the clamping plate (305), the outer surface of the connecting rod (306) is sleeved with a third spring (309), both ends of the support frame (301) are fixedly connected to support rods (311), one end of the two support rods (311) is fixedly connected to a rotating plate (312), and both sides of one end of the two rotating plates (312) are inserted with insertion rods (313).

2. A railway axle box bearing grease filling tool as claimed in claim 1, characterized in that: The oil injection assembly (2) comprises a shell (201), the inner walls of both sides of the shell (201) are rotatably connected with a second rotating shaft (203), the outer surface of the second rotating shaft (203) is sleeved with a second gear (204), the outer surface of the second gear (204) is meshingly connected with two second tooth plates (205), one end of each of the two second tooth plates (205) is fixedly connected with a second limiting plate (206), a second sliding groove (209) is provided at the lower part of one end of the shell (201), one end of each of the two second tooth plates (205) is fixedly connected with a fixing plate (207), wherein the outer surface of the lower fixing plate (207) is in contact with the outer surface of the fixing plate (207). The inner wall of the second slide groove (209) fits together, a cylinder (208) is fixedly connected to the lower part of one end of the housing (201), the output end of the cylinder (208) is fixedly connected to one side of the bottom end of the lower fixed plate (207), one end of the upper fixed plate (207) is fixedly connected to a fixing rod (210), the bottom end of the fixing rod (210) is fixedly connected to a piston (211), the lower inner wall of the housing (201) is penetrated and connected to a tube body (212), one end of the fixing rod (210) is penetrated and connected to the top end of the tube body (212), and the bottom end of the tube body (212) is fixedly connected to an oil outlet (215).

3. A railway axle box bearing grease filling tool as claimed in claim 1, characterized in that: The lifting device (4) comprises a bracket (41), the bottom sides of the bracket (41) are respectively fixedly connected to the top sides of the table (1), the inner walls of the two sides of the bracket (41) are provided with third slide grooves (42), the upper and lower sides of the inner wall of one of the third slide grooves (42) are rotatably connected with a screw rod (43), the upper and lower sides of the inner wall of the other third slide groove (42) are fixedly connected with a driven rod (45), the outer surfaces of the screw rod (43) and the driven rod (45) are jointly sleeved with a slide plate (46), the bottom end of the slide plate (46) is fixedly connected to the top of the shell (201), and a motor (44) is provided on one side of the top of the bracket (41), the output end of the motor (44) passes through the top of the bracket (41) and is fixedly connected to the top of the screw rod (43).

4. A railway axle box bearing grease filling tool as claimed in claim 1, characterized in that: The outer surface of the semicircular plate (308) is in contact with the inner wall of the clamping plate (305).

5. A railway axle box bearing grease filling tool as claimed in claim 4, characterized in that: One end of the opposite surfaces of the two fixing frames (304) are both arc-shaped.

6. A railway axle box bearing grease filling tool as claimed in claim 1, characterized in that: One end of the third spring (309) is fixedly connected to one end of the semicircular plate (308), and one end of the third spring (309) is fixedly connected to an inner wall of one side of the support frame (301).

7. A railway axle box bearing grease filling tool as claimed in claim 1, characterized in that: One end of the two support rods (311) respectively penetrates through an inner wall of one side of the through slot (5), and one end of the two insertion rods (313) are respectively inserted on both sides of one end of the table top (1).

8. A railway axle box bearing grease filling tool as claimed in claim 2, characterized in that: The outer surface of the tube body (212) is penetrated by a connecting tube (213), the outer surface of the connecting tube (213) is penetrated by one end of the shell (201), and the top end of the connecting tube (213) is fixedly connected to a feeding funnel (214).

Images