CN210686729U

CN210686729U - Railway bearing fitting and assembling machine

Info

Publication number: CN210686729U
Application number: CN201921759199.0U
Authority: CN
Inventors: 车从刚; 付刚; 邹大勇
Original assignee: Yantai Kaiwei Railway Bearing Equipment Co ltd
Current assignee: Yantai Kaiwei Railway Bearing Equipment Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-05
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a railway bearing closes a set kludge belongs to railway bearing equipment field, aim at providing one kind and reduce intensity of labour, improve railway bearing installation accuracy and prolong railway bearing life's railway bearing closes a set kludge, contain the workstation, prop tight device, lift platform device and mount, its technical scheme main points are the lift function who utilizes lift platform device, prop tight device's fixed function, ensure that the accurate equipment of upper ring and lower circle is in closing a set, the precision of railway bearing is improved to the collision that the significantly reduced upper ring and lower circle and closed between the cover, the utility model is suitable for an equipment that railway bearing closed a set.

Description

Railway bearing fitting and assembling machine

Technical Field

The utility model relates to a railway bearing equipment field, in particular to railway bearing assembling machine that fits.

Background

The railway bearing comprises a sleeve, an upper ring and a lower ring, the railway bearing is applied to a railway, according to the application requirement of the railway bearing, the wheel bearing has a long maintenance-free period, a structural design convenient to maintain and high reliability, the railway bearing generally comprises the sleeve and an inner ring, the outer wall of the inner ring is provided with a roller positioned in the inner ring and a sleeve bracket, and the inner ring is divided into the upper ring and the lower ring.

Chinese patent publication No. CN107763067A discloses a roller bearing, a railway vehicle bogie, and a railway vehicle, which include: the roller is a rotating body and comprises two opposite end faces and a side face connected between the two end faces, and a bus of the side face is a curve protruding towards the direction deviating from the rotating shaft. By arranging the convex curve of the bus on the side surface of the roller, after the bearing bears a certain load, stress concentration cannot be formed at two ends of the roller by the roller path, but the stress is uniformly distributed in a contact area with the middle part of the roller, so that the roller is prevented from generating plastic deformation due to long-time stress concentration, and the fatigue life of the bearing is prolonged.

The traditional method for installing the sleeve of the railway bearing is that an operator firstly covers the lower ring in the sleeve and then puts the upper ring into the sleeve, but the railway bearing is heavy in reality, and the sleeve and the upper ring and the lower ring are easy to collide in the process of installing the sleeve by the operator, so that the railway bearing is abraded, and the precision of the railway bearing is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a railway bearing closes a set kludge has the advantage that reduces the collision of railway bearing at the installation and closes a set in-process and improve the railway bearing precision.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a railway bearing closes a set kludge, contains the workstation, be equipped with on the workstation with the corresponding lift hole of lower circle, the downthehole sliding connection of lift has with the corresponding elevating platform of lower circle, is equipped with the lift cylinder of control elevating platform up-and-down motion in the workstation, fixedly connected with mount on the workstation, vertical sliding connection has the tight device that props just right with the lift hole on the mount, installs the telescopic cylinder that the tight device of control propped reciprocated on the mount, prop tight device and include the backup pad, two tight boards of propping of lower surface horizontal sliding connection of backup pad are installed the tight cylinder that props of tight board motion in the backup pad.

By adopting the technical scheme, when an operator uses the railway bearing assembling machine, the upper ring and the lower ring are placed on the lifting platform device, the telescopic cylinder drives the tightening device to move downwards to enter the inner wall of the upper ring, the tightening cylinder extends, the tightening shaft drives the tightening plate to open through rotating connection, the tightening plate is fixed on the inner wall of the upper ring, the telescopic cylinder drives the tightening device and the upper ring to ascend, the lifting cylinder drives the lifting platform and the lower ring to move downwards, the operator places the assembled sleeve on the lifting hole, the telescopic cylinder extends to drive the tightening device and the upper ring to be placed in the assembled sleeve, and the lifting cylinder extends to drive the lifting platform and the lower roller bearing to be placed in the assembled sleeve to complete the assembling of the railway bearing. In the assembling process of the railway bearing, an operator only needs to push the upper ring, the lower ring and the sleeve, the upper ring and the lower ring do not need to be lifted, the collision probability of the upper ring and the lower ring with the sleeve is greatly reduced, the probability of collision and abrasion of the bearing is smaller, and therefore the precision of the railway bearing is guaranteed.

Furthermore, the inner wall of the tightening plate is provided with tightening shafts which are rotatably connected, and one ends of the two tightening shafts, which are far away from the tightening plate, are rotatably connected with the output shaft of the telescopic cylinder.

Through adopting above-mentioned technical scheme, telescopic cylinder's the flexible tight pole motion that drives of output shaft, telescopic cylinder's output shaft stretches out the downstream, and the tight pole rotates around telescopic cylinder's output shaft, thereby the tight pole level gradually will prop the tight board and push away, and two tight boards keep away from each other to carry out the centre gripping with the upper ring. On the contrary, when the output shaft of telescopic cylinder contracts, the two tightening plates are close to each other and put down the upper ring through the arrangement of the tightening rods, the output shaft of the telescopic cylinder can move to drive the two tightening plates to move simultaneously, and the synchronism is good.

Furthermore, one side of the fixing frame, which is close to the lifting hole, is provided with a cambered surface limiting plate, a limiting cylinder is arranged in the fixing frame, and an output shaft of the limiting cylinder extends out of the fixing frame and is connected with the cambered surface limiting plate.

Through adopting above-mentioned technical scheme, when the operator uses the railway bearing fit kludge, when pushing away the position of elevating platform with circle down, go up the circle and can touch the cambered surface limiting plate and stop with circle down, the cambered surface limiting plate plays and carries out the effect of fixing a position to last circle and circle down.

Furthermore, the cambered surface limiting plate is provided with a limiting groove, a fixing plate is arranged in the limiting groove, and the fixing plate is fixedly connected to the fixing frame.

Through adopting above-mentioned technical scheme, when the operator uses the railway bearing to close set kludge, the upper ring rises along with propping up the device, and the lower circle descends along with lift platform device, and the cambered surface limiting plate moves back along with spacing cylinder's shrink, exposes the fixed plate, and the operator pushes the cover, and when the cover was contradicted with the fixed plate, the cover was located the lift hole directly over, and upper ring and lower circle can be placed in the cover, and the fixed plate is fixed a position to the position of closing the cover.

Furthermore, a jacking hole is formed in the middle of the fixed plate, a jacking rod is connected in the jacking hole in a sliding mode, a jacking cylinder is arranged in the fixed frame, and an output shaft of the jacking cylinder extends out of the fixed frame and is connected with the jacking rod.

By adopting the technical scheme, after the upper ring and the lower ring are put into the sleeve, the tightening plate of the tightening device contracts, the tightening device ascends, the ejection cylinder pushes the ejection rod to extend out of the ejection hole and eject the railway bearing out of the sleeve, and an operator can take the railway bearing out conveniently.

Furthermore, be equipped with two rectangular limiting plates of arranging the lift hole both sides in on the workstation, two rectangular limiting plates are parallel and the distance between and the diameter that closes the cover is corresponding.

By adopting the technical scheme, when an operator uses the railway bearing assembling machine, the operator pushes, puts and fits on the lifting platform device, and the two strip limiting plates fix the positions of the two sides of the fitting, so that the fitting is centered on the workbench, and the precision of the railway bearing assembling machine is further improved.

Furthermore, the fixing frame is arranged in an inverted L shape, the supporting plate is connected with a guide rod parallel to the output shaft of the telescopic cylinder, and one end, far away from the supporting plate, of the guide rod penetrates through the fixing frame and is in threaded connection with a limiting nut.

Through adopting above-mentioned technical scheme, during backup pad up-and-down motion, the guide bar is followed up-and-down motion, and the guide bar carries on spacingly and the direction to the motion of backup pad. The operator rotates stop nut, and when stop nut and mount were contradicted, the backup pad was unable to continue to move down, and operator's accessible stop nut adjusts and controls the motion stroke of backup pad to the adaptation is to the installation demand of not unidimensional railway bearing.

Furthermore, the upper surface of the fixing frame is slidably connected with a displacement plate matched with the guide rod, a displacement cylinder connected with the displacement plate is arranged on the fixing frame, the displacement plate connected with the displacement cylinder is arranged on the fixing frame, and the displacement block moves perpendicular to the guide rod.

Through adopting above-mentioned technical scheme, adjust telescopic cylinder stroke and except rotating stop nut, can also add between stop nut and metal packing ring and be equipped with the displacement piece, directly make the displacement stroke of cylinder reduce the height of displacement piece, need not rotate stop nut repeatedly, reach the effect of optimizing cylinder stroke regulation mode.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the tightening device, the telescopic cylinder and the lifting platform device, the upper ring and the lower ring are combined in the sleeve along the vertical direction, so that the precision of the railway bearing sleeve assembling is improved.

2. Through the setting of cambered surface limiting plate, rectangular limiting plate, the position of fixed upper ring and lower circle makes upper ring and lower circle arrange the elevating platform in the middle on, further improves the equipment precision that the railway bearing closed the cover.

3. Through the setting of ejector rod, after the operator uses the railway bearing to close the suit kludge equipment, utilize ejector rod ejecting railway bearing, reach the effect that reduces operator intensity of labour.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is an enlarged view of an embodiment tensioning device;

FIG. 4 is an enlarged view of the telescoping cylinder of the embodiment;

FIG. 5 is an enlarged view of an embodiment cambered surface limiting plate.

In the figure, 1, a workbench; 2. a fixed mount; 201. a transverse plate; 202. a vertical rod; 4. a telescopic cylinder; 6. a lifting hole; 7. a long limiting plate; 8. a lifting platform device; 81. a lifting platform; 82. a lifting cylinder; 9. a tightening device; 90. a support plate; 91. a tightening plate; 92. a tightening shaft; 93. tightly supporting the air cylinder; 94. tightly supporting the guide rail; 10. a railway bearing; 101. fitting; 102. winding; 103. a lower ring; 11. a slide rail; 12. a cambered surface limit plate; 13. a limiting cylinder; 14. a limiting groove; 15. an ejection aperture; 16. a fixing plate; 17. ejecting out the cylinder; 18. ejecting the rod; 19. a T-shaped metal plate; 21. a guide bar; 22. a limit nut; 23. a metal washer; 24. a displacement block; 25. a displacement cylinder; 26. a displacement plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a railway bearing assembling machine is shown in figures 1 and 2 and comprises a workbench 1, a fixing frame 2, a tightening device 9 and a lifting platform device 8. The railway bearing 10 is placed on the working platform 1, and the tightening device 9 and the lifting platform device 8 assemble the railway shaft 10.

As shown in fig. 1, the fixing frame 2 is fixedly connected to the upper surface of the workbench 1 in an inverted L shape and is disposed on one side of the lifting hole 6, the fixing frame 2 includes a vertical rod 202 and a horizontal plate 201, the upper surface of the horizontal plate 201 is provided with a telescopic cylinder 4, and an output shaft of the telescopic cylinder 4 passes through the horizontal plate 201 and is connected with the tightening device 9.

As shown in fig. 1 and 2, the workbench 1 is in a hollow cuboid shape, a T-shaped metal plate 19 is laid on the upper surface of the workbench 1, and a long limiting plate 7 is arranged on the edge of the T-shaped metal plate 19. The workbench 1 is provided with a vertical lifting hole 6 at one end of the T-shaped metal plate 19 pointing to the center of the workbench 1. The parallel distance between rectangular limiting plate 7 of lift hole 6 both sides and corresponds with the diameter of fitting 101, and the size of lift hole 6 corresponds with lower circle 103, and the diameter of lift hole 6 is less than the diameter of fitting 101, and lift hole 6 runs through T type metal sheet 19 and workstation 1 upper surface intercommunication workstation 1 inside.

As shown in fig. 2, the lifting platform device 8 is disposed inside the working platform 1, the lifting platform device 8 includes a lifting platform 81 and a lifting cylinder 82, the lifting platform 81 is a metal circular plate slidably connected in the lifting hole 6, and the size of the lifting platform 81 corresponds to the lifting hole 6. The lifting cylinder 82 is fixedly connected inside the workbench 1, an output shaft of the lifting cylinder 82 is connected with the lifting platform 81, so that the lifting platform 81 slides up and down in the lifting hole 6, and the lower ring 103 is ensured to stably fall to a position below the upper surface of the workbench 1.

As shown in fig. 2 and 3, the tightening device 9 is slidably connected to the vertical rod 202 via two parallel slide rails 11, and the telescopic cylinder 4 controls the vertical movement of the tightening device 9. The tightening device 9 includes a tightening cylinder 93, a tightening shaft 92, a support plate 90, and a tightening plate 91. The output shaft of the telescopic cylinder 4 is fixedly connected with the support plate 90, so that the support plate 90 is driven to move up and down. The outer wall of the tightening plate 91 is a cambered surface, and the radius of the outer wall of the tightening plate 91 corresponds to the radius of the inner wall of the upper ring 102, so that the tightening plate 91 is ensured to be in surface contact with the inner wall of the upper ring 102, and the stability of the tightening device 9 is improved. The lower surface of the supporting plate 90 is fixedly connected with two mutually parallel tightening guide rails 94, the tightening plate 91 is slidably connected with the tightening guide rails 94, and the tightening plate 91 is provided with two tightening guide rails 94 which are slidably connected with the lower surface of the supporting plate 90. One end of the tightening shaft 92 is rotatably connected to the inner wall of the tightening plate 91, and the other end of the tightening shaft 92 is rotatably connected to an output shaft of the tightening cylinder 93.

As shown in fig. 4, guide rods 21 penetrating through the transverse plate 201 are arranged on two sides of the support plate 90, external threads are arranged at one ends of the guide rods 21 far away from the support plate 90, limit nuts 22 are connected to the guide rods 21 through threads, and an operator can adjust the distance between the limit nuts 22 and the upper surface of the transverse plate 201 by rotating the limit nuts 22, so as to adjust the stroke of the telescopic cylinder 4. The guide rod 21 is provided with a metal washer 23 in a penetrating manner, and the metal washer 23 is arranged on the upper surface of the transverse plate 201 to play a role in protecting the transverse plate 201 and prevent the transverse plate 201 from being damaged due to repeated collision of the limit nut 22.

As shown in fig. 4, a displacement plate 26, a displacement cylinder 25 and a displacement block 24 are arranged on one side of the guide rod 21, the displacement cylinder 25 is fixedly connected to the transverse plate 201 through the displacement plate 26, an output shaft of the displacement cylinder 25 is connected with the displacement block 24, the displacement block 24 is enabled to move along the direction perpendicular to the guide rod 21, a groove corresponding to the guide rod 21 is formed in one side, close to the guide rod 21, of the displacement block 24, the moving block 24 is enabled to be inserted into the guide rod 21, the displacement block 24 is arranged above the metal washer 23, the insertion of the displacement block 24 into the guide rod 21 optimizes the single stroke distance of adjusting the telescopic cylinder 4 through rotating the limit nut 22, and the operation is.

As shown in fig. 2 and 5, a limiting cylinder 13 and an ejecting cylinder 17 are fixedly connected to the bottom of the vertical rod 202, an arc limiting plate 12 is arranged at the bottom of the vertical rod 202 close to one side of the lifting hole 6, the arc limiting plate 12 is made of metal, the shape of the arc limiting plate 12 close to one side of the lifting hole 6 corresponds to the outer wall shapes of the upper ring 102 and the lower ring 103, the limiting cylinder 13 is arranged on two sides of the arc limiting plate 12, the output shaft of the limiting cylinder 13 extends out of the vertical rod 202 to be connected with the arc limiting plate 12, and the arc limiting plate 12 is.

As shown in fig. 2 and 5, a limiting groove 14 is formed in the middle-lower position of the arc limiting plate 12, a fixing plate 16 is arranged in the limiting groove 14, the fixing plate 16 is made of metal, the fixing plate 16 is fixedly connected with a vertical rod 202, and the arc limiting plate 12, the fixing plate 16 and the long limiting plate 7 limit the position of the railway bearing 10, so that the centers of circles of the sleeve 101, the upper ring 102 and the lower ring 103 are on the same vertical line. An ejection hole 15 is formed in the middle of the fixing plate 16, an ejection rod 18 is arranged in the ejection hole 15, the ejection rod 18 is made of metal, the size of the ejection rod 18 corresponds to that of the ejection hole 15, an output shaft of the ejection cylinder 17 extends out of the vertical rod 202 to be fixedly connected with the ejection rod 18, power is provided for the ejection rod 18, and the ejection rod 18 moves to eject the railway bearing 10.

The specific implementation process comprises the following steps: before the operator uses the railway bearing assembling machine, the upper ring 102 and the lower ring 103 are manually placed and pushed on the lifting platform 81 at one end of the T-shaped metal plate 19 until the upper ring 102 and the lower ring 103 contact the whole outer wall of the cambered surface limit plate 12 to stop. The limit nut 22 is rotated to adjust the displacement stroke of the telescopic cylinder 4, the tightening plates 91 move downwards, so that the two tightening plates 91 are opposite to the inner wall of the upper ring 102, the two tightening plates 91 are opened until the inner wall of the upper ring 102 is fixed, the tightening device 9 drives the upper ring 102 to move upwards, and meanwhile, the lifting platform 81 drives the lower ring 103 to move downwards. The cambered surface limiting plate 12 moves towards one side close to the vertical rod 202 to expose the fixing plate 16, an operator manually pushes the sleeve 101 to be placed at the lifting hole 6 until the sleeve 101 is contacted with the fixing plate 16 and the long limiting plates 7 at two sides of the lifting hole 6 at the same time and stops, the tightening plate 91 moves downwards to send the upper ring 102 into the sleeve 101, the two tightening plates 91 are contracted, the tightening plate 91 moves upwards again, the lifting table 81 moves upwards to be level with the T-shaped metal plate 19, the lower ring 103 is sent into the sleeve 101, the ejector rod 18 ejects the railway bearing 10 outwards, and the railway bearing 10 is assembled.

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

1. The utility model provides a railway bearing closes set kludge which characterized in that: contain workstation (1), be equipped with on workstation (1) with circle (103) corresponding lift hole (6) down, sliding connection has lift platform (81) corresponding with circle (103) down in lift hole (6), is equipped with lift cylinder (82) of control lift platform (81) up-and-down motion in workstation (1), fixedly connected with mount (2) is gone up in workstation (1), and vertical sliding connection has and just right tight device (9) of propping with lift hole (6) on mount (2), installs telescopic cylinder (4) that control props tight device (9) and reciprocate on mount (2), prop tight device (9) including backup pad (90), two lower surface horizontal sliding connection of backup pad (90) prop tight board (91), install the tight cylinder (93) that prop of tight board (91) motion of control on backup pad (90).

2. The railway bearing fitting and assembling machine according to claim 1, wherein: the inner wall of the tightening plate (91) is provided with tightening shafts (92) which are rotatably connected, and one ends of the two tightening shafts (92) far away from the tightening plate (91) are rotatably connected with the output shaft of the telescopic cylinder (4).

3. The railway bearing fitting and assembling machine according to claim 1, wherein: one side of the fixing frame (2) close to the lifting hole (6) is provided with an arc limiting plate (12), a limiting cylinder (13) is arranged in the fixing frame (2), and an output shaft of the limiting cylinder (13) extends out of the fixing frame (2) to be connected with the arc limiting plate (12).

4. The railway bearing fitting and assembling machine according to claim 3, wherein: the cambered surface limiting plate (12) is provided with a limiting groove (14), a fixing plate (16) is arranged in the limiting groove (14), and the fixing plate (16) is fixedly connected to the fixing frame (2).

5. The railway bearing fitting and assembling machine according to claim 4, wherein: the ejection mechanism is characterized in that an ejection hole (15) is formed in the middle of the fixing plate (16), an ejection rod (18) is connected in the ejection hole (15) in a sliding mode, an ejection cylinder (17) is arranged in the fixing frame (2), and an output shaft of the ejection cylinder (17) extends out of the fixing frame (2) to be connected with the ejection rod (18).

6. The railway bearing fitting and assembling machine according to claim 1, wherein: the lifting hole (6) is arranged on the working table (1), two long limiting plates (7) are arranged on two sides of the lifting hole (6), and the distance between the two long limiting plates (7) is parallel to the diameter of the sleeve (101) and corresponds to the diameter of the sleeve.

7. The railway bearing fitting and assembling machine according to claim 1, wherein: the fixing frame (2) is designed to be inverted L-shaped, the supporting plate (90) is connected with a guide rod (21) parallel to an output shaft of the telescopic cylinder (4), and one end, far away from the supporting plate (90), of the guide rod (21) penetrates through the fixing frame (2) and is in threaded connection with a limiting nut (22).

8. The railway bearing fitting and assembling machine according to claim 7, wherein: the upper surface of the fixing frame (2) is connected with a displacement plate (26) matched with the guide rod (21) in a sliding mode, a displacement cylinder (25) connected with the displacement plate (26) is arranged on the fixing frame (2), the displacement plate (26) connected with the displacement cylinder (25) is arranged on the fixing frame (2), and the displacement block (24) moves perpendicular to the guide rod (21).