CN220112691U - Wheel pair bearing assembly machine - Google Patents
Wheel pair bearing assembly machine Download PDFInfo
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- CN220112691U CN220112691U CN202321061775.0U CN202321061775U CN220112691U CN 220112691 U CN220112691 U CN 220112691U CN 202321061775 U CN202321061775 U CN 202321061775U CN 220112691 U CN220112691 U CN 220112691U
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The technical scheme of the utility model discloses an wheelset bearing assembling machine which comprises a frame body, a gantry, a bearing press-fitting device, a wheelset positioning device, a wheelset synchronous lifting device, a center height measuring device, a rotating device and a center positioning device; the center positioning device comprises a box body, sliding blocks, oil cylinders and locking plates, wherein the box body is arranged at the center of the machine frame body, sliding grooves are symmetrically formed in the box body, the sliding blocks are symmetrically arranged in the sliding grooves, the sliding blocks move along the front and rear directions of the sliding grooves, the oil cylinders are arranged on the front sides or the rear sides of the sliding blocks, the oil cylinders are connected with the sliding blocks, the locking plates are symmetrically arranged on the outer sides of the sliding blocks, one ends of the locking plates are inserted into the box body and tightly propped against the sliding blocks, and the other ends of the locking plates are connected with the wheel set positioning device through pin shafts. Through each parts such as central positioner, bearing pressure equipment device mutually support, realize the accurate pressure equipment of bearing, effectively avoid the wheel pair to take place the drunkenness when pressure equipment bearing, simple structure, simple to operate.
Description
Technical Field
The utility model belongs to the technical field of bearing press mounting, and particularly relates to an wheelset bearing assembling machine.
Background
The wheel pair bearing assembling machine is also called a wheel pair bearing assembling machine and is generally composed of a mechanical system, a hydraulic system and an electric control system, wherein a frame body in the mechanical system is an installation foundation of the whole device, and other parts are installed on the frame body after being assembled. When the assembly and debugging of each part are completed, the whole machine can be transported to a production site, the machine frame body falls into a foundation pit, the steel rail arranged on the machine frame body is in butt joint with the ground steel rail, and the regulator is fixed after being leveled. Patent CN 206445476U discloses a bearing press-fitting machine, the mechanical system comprises a frame body, press-fitting device, wheel set positioning paper, wheel set synchronous lifting device, height measuring device, rotating device, locking device, auxiliary rail and apron, press-fitting device comprises press-fitting base member, sliding seat, the locating piece, the thimble, tight cylinder of top, press-fitting cylinder and pressure equipment cover, be provided with the sliding rail on the press-fitting machine body, the thimble is fixed on the sliding seat, the thimble is located in the pressure equipment cover, the thimble is connected with the locating piece, tight cylinder of top is installed to the both sides of locating piece, tight cylinder of top of both sides promotes the locating piece and makes the thimble location and tightly press-fit the axletree, press-fitting cylinder and pressure equipment cover adopt bolted connection, lock the sliding seat in the preset position by locking device after the wheel set is located, realize that the bearing press-fitting process is steady, but the wheel set can take place the drunkenness when the pressure equipment bearing, and press-fitting device needs locking device locking so as to prevent its axial displacement, the structure is complicated. Therefore, there is a need to develop a bearing assembly machine that can effectively prevent the wheel set from moving when the bearing is press-fitted, and in which the locking structure of the press-fitting device is simple.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides the wheel pair bearing assembling machine, which is characterized in that the accurate press mounting of the bearing is realized through the mutual matching of the components such as the center positioning device, the bearing press mounting device and the like, the wheel pair is effectively prevented from moving during the press mounting of the bearing, and the wheel pair assembling machine is simple in structure and convenient to mount.
The technical scheme of the utility model is as follows: an wheelset bearing assembly machine comprises a frame body, a gantry, a bearing press-fitting device, a wheelset positioning device, a wheelset synchronous lifting device, a center height measuring device, a rotating device and a center positioning device; the gantry body is an installation matrix of the whole device, the gantry body, the bearing press-fitting device, the wheel set positioning devices, the wheel set synchronous lifting devices, the central height measuring devices, the rotating devices and the central positioning devices are all installed on the gantry body, the gantry body is fixed above the gantry body, the bearing press-fitting devices are arranged in the middle of the lower part of the gantry body, the bearing press-fitting devices are symmetrically installed on the left side and the right side above the gantry body, the central height measuring devices are symmetrically installed on the gantry body inside the bearing press-fitting devices, the wheel set positioning devices are symmetrically installed on the gantry body inside the central height measuring devices, the wheel set synchronous lifting devices are installed on the gantry body between 2 wheel set positioning devices, the rotating devices are installed above the inner sides of the bearing press-fitting devices, the central positioning devices are installed on the upper sides of the wheel set synchronous lifting devices, and two ends of the central positioning devices are connected with the wheel set positioning devices;
the center positioning device comprises a box body, sliding blocks, oil cylinders and locking plates, wherein the box body is installed at the center of the machine frame body, sliding grooves are symmetrically formed in the box body, the sliding blocks are symmetrically installed in the sliding grooves, the sliding blocks move in the front-back direction along the sliding grooves, the oil cylinders are arranged on the front sides or the back sides of the sliding blocks and are connected with the sliding blocks, the locking plates are symmetrically arranged on the outer sides of the sliding blocks, one ends of the locking plates are inserted into the box body and tightly propped against the sliding blocks, and the other ends of the locking plates are connected with the wheel set positioning device through pin shafts.
Further, the tight position of sliding block and locking plate top is inclined plane structure.
Further, the number of the oil cylinders is 2, and each oil cylinder is connected with a different sliding block.
Further, the wheel set positioning device is provided with a steel rail outside, the frame body is provided with a steel rail fixing seat, the steel rail is fixed above two ends of the steel rail fixing seat, the left part and the right part of the steel rail fixing seat are provided with lifting seat guide plates, the wheel set positioning device moves up and down along the lifting seat guide plates, a pin shaft of the central positioning device penetrates through the lifting seat guide plates and then is fixed with the wheel set positioning device, the outer side of the lifting seat guide plates penetrates through the steel rail and then is fixed with the frame body through a box body connecting screw rod, the box body of the central positioning device is fixed at the upper end of the middle part of the steel rail fixing seat, and an oil cylinder of the central positioning device is fixed at the front end or the rear end of the steel rail fixing seat.
Further, the bearing press-fitting device comprises a press-fitting base body, a sleeve cylinder press-fitting oil cylinder, a thimble and a shaft end thimble sleeve, wherein the press-fitting base body is arranged on the frame body, the sleeve cylinder press-fitting oil cylinder is fixed above the press-fitting base body, a small oil cylinder of the sleeve cylinder press-fitting oil cylinder is connected with the thimble, a large oil cylinder of the sleeve cylinder press-fitting oil cylinder is connected with the shaft end thimble sleeve, and the shaft end thimble sleeve is arranged on the outer wall of the thimble.
Further, the gantry comprises upright posts and cross beams, the upright posts are fixed on the left side and the right side of the frame body, the upper ends of the two upright posts are fixedly connected through the cross beams, the inner sides of the upright posts are of vertical structures, and the outer sides of the upright posts are of inclined structures.
Further, the centers of the gantry component, the bearing press-fitting device, the wheel set positioning device, the wheel set synchronous lifting device, the center height measuring device, the rotating device and the center positioning device are positioned on the same axis.
By adopting the technical scheme, the beneficial effects of the utility model are as follows:
(1) According to the utility model, the locking of the wheel set after positioning is realized through the center positioning device, so that the wheel set is effectively prevented from moving when the bearing is pressed, the bearing press-mounting precision is improved, the structure is simple, the automatic operation is realized, and the time and the labor are saved.
(2) The bearing press-mounting device integrates three oil cylinders in the prior art into one sleeve cylinder press-mounting oil cylinder, adopts the sleeve cylinder mode, saves mounting space, does not need to be provided with a locking device, can be fixed on a frame body only by press-mounting a base body, can adjust the position to adapt to the press-mounting requirements of a long shaft and a short shaft, and has the advantages of simple structure, convenience in mounting, time and labor saving and small occupied space.
(3) Through mutually supporting between frame body and each part, realize the automatic pressure equipment of bearing, pressure equipment precision is high, easy and simple to handle, simple to operate, convenient to overhaul.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a centering device;
FIG. 3 is a schematic view of a bearing press-fitting apparatus;
fig. 4 is a schematic structural view of the gantry assembly.
In the figure, a frame body 1, a gantry component 2, a bearing press-mounting device 3, a wheel set positioning device 4, a wheel set synchronous lifting device 5, a central height measuring device 6, a rotating device 7, a central positioning device 8, a steel rail 11, a steel rail fixing seat 12, a lifting seat guide plate 13, a box body connecting screw 14, a stand column 21, a cross beam 22, a press-mounting base body 31, a sleeve cylinder press-mounting oil cylinder 32, an ejector pin 33, an axle end ejector pin sleeve 34, a box body 81, a sliding block 82, an oil cylinder 83, a locking plate 84, a sliding groove 85 and a pin shaft 86.
Description of the embodiments
The utility model will be described in further detail with reference to the drawings and the detailed description.
Examples
Referring to fig. 1 to 4, an wheelset bearing assembling machine comprises a frame body 1, a gantry assembly 2, a bearing press-fitting device 3, a wheelset positioning device 4, a wheelset synchronous lifting device 5, a center height measuring device 6, a rotating device 7 and a center positioning device 8; the device comprises a frame body 1, a gantry component 2, a bearing press-fit device 3, a wheel set positioning device 4, a wheel set synchronous lifting device 5, a central height measuring device 6, a rotating device 7 and a central positioning device 8, wherein the gantry component 2 is fixed above the frame body 1, the bearing press-fit device 3 is arranged in the middle of the lower part of the gantry component 2, the bearing press-fit device 3 is symmetrically arranged on the left side and the right side of the upper part of the frame body 1, the central height measuring device 6 is symmetrically arranged on the frame body 1 on the inner side of the bearing press-fit device 3, the wheel set positioning device 4 is symmetrically arranged on the frame body 1 on the inner side of the central height measuring device 6, the wheel set synchronous lifting device 5 is arranged on the frame body 1 between the 2 wheel set positioning devices 4, the rotating device 7 is arranged above the inner side of the bearing press-fit device 3, the central positioning device 8 is arranged on the upper side of the wheel set synchronous lifting device 5, and two ends of the central positioning device 8 are connected with the wheel set positioning device 4;
the center positioning device 8 comprises a box 81, a sliding block 82, an oil cylinder 83 and a locking plate 84, wherein the box 81 is installed at the center of the frame body 1, sliding grooves 85 are symmetrically formed in the box 81, the sliding block 82 is symmetrically installed in the sliding grooves 85, the sliding block 82 moves along the front and back directions of the sliding grooves 85, the oil cylinder 83 is arranged on the front side or the back side of the sliding block 82, the oil cylinder 83 is connected with the sliding block 82, the locking plate 84 is symmetrically arranged on the outer side of the sliding block 82, one end of the locking plate 84 is inserted into the box 81 to tightly prop against the sliding block 82, and the other end of the locking plate 84 is connected with the wheel set positioning device 4 through a pin shaft 86.
The frame body 1 is formed by welding high-quality steel plates, is integrally processed after stress relief annealing after welding, has enough rigidity and strength, and has good shock absorption and reliability. The frame body 1 is provided with a mounting process hole and an oil penetrating pipe hole, and the whole frame body is firm and neat and is convenient to mount.
The center height measuring device 6 is used for controlling the lifting height of the wheel set synchronous lifting device 5 and ensuring that the center of the wheel set is coaxial with the center of the thimble 33 of the bearing press-fitting device 3. The center height measuring device 6 adopts automatic measurement, and ensures the accuracy of measurement.
The friction force between the rotating device 7 and the bearing outer ring enables the bearing outer ring to rotate, so that the process requirement can be met in the bearing press-fitting process, manual rotation is avoided, labor force is saved, and danger is reduced.
The centering device 8 ensures that the wheel set does not play when the bearing is pressed.
Further, the sliding block 82 and the locking plate 84 are tightly pressed against each other in a slant structure.
Further, there are 2 cylinders 83, and each cylinder 83 is connected to a different sliding block 82.
The locking plates 84 on the two sides are independently controlled by 2 oil cylinders 83, and can be respectively locked or simultaneously locked
The piston rod of the oil cylinder 83 pushes the sliding block 82 connected with the oil cylinder, the locking plate 84 is outwards ejected through the inclined plane of the sliding block 82, the pin shaft 86 arranged at the end part of the locking plate 84 tightly pushes the wheel set positioning device 4 outwards, so that the whole wheel set is locked, the stability of the pressure of the oil cylinder and the accuracy of the 0 point position of the press-fit curve are ensured, and then the press-fit action of the bearing press-fit device 3 is started. After the bearing press-fitting is completed, the oil cylinder 83 moves reversely, the locking plate 84 is reset, and the acting force of the central positioning device 8 on the pushing of the wheel set positioning device 4 is small, so that the wheel set is unlocked.
Further, the outer side of the wheel set positioning device 4 is provided with a steel rail 11, the frame body 1 is provided with a steel rail fixing seat 12, the steel rail 11 is fixed above two ends of the steel rail fixing seat 12, the left part and the right part of the steel rail fixing seat 12 are provided with lifting seat guide plates 13, the wheel set positioning device 4 moves up and down along the lifting seat guide plates 13, a pin shaft 86 of the center positioning device 8 penetrates through the lifting seat guide plates 13 and then is fixed with the wheel set positioning device 4, the outer side of the lifting seat guide plates 13 is fixed with the frame body 1 after penetrating through the steel rail 11 through a box body connecting screw 14, a box body 81 of the center positioning device 8 is fixed at the upper end of the middle part of the steel rail fixing seat 12, and an oil cylinder 83 of the center positioning device 8 is fixed at the front end or the rear end of the steel rail fixing seat 12.
When the wheel set moves to the center of the bearing assembly machine along the steel rail 11, the wheel set synchronous lifting device 5 lifts the wheel set positioning device 4, so that the wheel set positioning device 4 contacts the wheel rim, and the positioning function is achieved. After the bearing is pressed, the wheel set synchronous lifting device 5 drives the wheel set positioning device 4 to fall, and the wheel set moves out of the bearing assembly machine along the steel rail 11.
Further, the bearing press-fitting device 3 comprises a press-fitting base body 31, a sleeve cylinder press-fitting cylinder 32, a thimble 33 and a shaft end thimble sleeve 34, wherein the press-fitting base body 31 is arranged on the frame body 1, the sleeve cylinder press-fitting cylinder 32 is fixed above the press-fitting base body 31, a small cylinder of the sleeve cylinder press-fitting cylinder 32 is connected with the thimble 33, a large cylinder of the sleeve cylinder press-fitting cylinder 32 is connected with the shaft end thimble sleeve 34, and the shaft end thimble sleeve 34 is sleeved on the outer wall of the thimble 33.
Before the wheel set does not move to the wheel set bearing assembling machine, the bearing sleeve to be pressed is sleeved on the axle end thimble sleeve 34, the wheel set synchronous lifting device 5 is controlled to lift during debugging through measurement of the central height measuring device 6, the wheel set synchronous lifting device 5 drives the wheel set positioning device 4 to lift so as to position the wheel set, the center of the wheel set is lower than the center 1-2 mm of the thimble 33, the last center height is determined by the center of the thimble 33, a small oil cylinder piston rod of the sleeve cylinder press-fitting oil cylinder 32 pushes the thimble 33 to position the axle center and tightly push, after the two thimbles 33 are tightly pushed, the central positioning device 8 acts, and after the wheel set is locked by the central positioning device 8, a large oil cylinder piston rod of the sleeve cylinder press-fitting oil cylinder 32 pushes the axle end thimble sleeve 34 to be in plane contact with the bearing to be pressed, and accurate press-fitting of the bearing is realized. In order to ensure the press-fitting precision of the bearing, a large oil cylinder and a small oil cylinder of the sleeve cylinder press-fitting oil cylinder 82 adopt independent hydraulic stations.
The press-fitting machine body 31 is an installation seat body for sleeving the cylinder and press-fitting the cylinder 32, is formed by welding high-quality steel plates and integrally annealing, and has enough rigidity and strength. The position of the press-fit base 31 on the frame body 1 can be adjusted to a proper position and then fixed by bolts so as to meet the press-fit requirements of the long shaft and the short shaft.
Further, the gantry assembly 2 comprises an upright post 21 and a cross beam 22, the upright posts 21 are fixed on the left side and the right side of the frame body 1, the upper ends of the two upright posts 21 are fixedly connected through the cross beam 22, the inner side of each upright post 21 is of a vertical structure, and the outer side of each upright post 21 is of an inclined surface structure.
The upright post 21 is formed by welding high-quality steel plates, and the cross beam 22 is formed by welding high-quality steel pipes and shafts. The connection of the cross beam 22 and the upright 21 is locked by nuts. The columns 21 on both sides are bolted to both front and rear sides of the press-fit base 31 of the bearing press-fit device 3. The installation is convenient, and the overhaul is convenient.
Further, the centers of the gantry component 2, the bearing press-fit device 3, the wheel set positioning device 4, the wheel set synchronous lifting device 5, the center height measuring device 6, the rotating device 7 and the center positioning device 8 are positioned on the same axis.
Claims (7)
1. An wheelset bearing kludge which characterized in that: the device comprises a frame body (1), a gantry component (2), a bearing press-fitting device (3), a wheel set positioning device (4), a wheel set synchronous lifting device (5), a center height measuring device (6), a rotating device (7) and a center positioning device (8); the device comprises a frame body (1), a gantry component (2), bearing press-fitting devices (3), wheel set positioning devices (4), wheel set synchronous lifting devices (5), a central height measuring device (6), rotating devices (7) and central positioning devices (8), wherein the frame body (1) is provided with a mounting matrix of the whole device, the gantry component (2) is fixed above the frame body (1), the bearing press-fitting devices (3) are arranged in the middle of the lower part of the gantry component (2), the bearing press-fitting devices (3) are symmetrically arranged on the left side and the right side above the frame body (1), the central height measuring devices (6) are symmetrically arranged on the frame body (1) on the inner side of the bearing press-fitting devices (3), the wheel set positioning devices (4) are symmetrically arranged on the frame body (1) on the inner side of the central height measuring devices (6), the wheel set synchronous lifting devices (5) are arranged on the frame body (1) between the 2 wheel set positioning devices (4), the rotating devices (7) are arranged above the inner side of the bearing press-fitting devices (3), and the central positioning devices (8) are arranged on the two ends of the synchronous lifting devices (5) and the central positioning devices (4) are connected with the central positioning devices (4);
the center positioning device (8) comprises a box body (81), a sliding block (82), an oil cylinder (83) and a locking plate (84), wherein the box body (81) is installed at the center of the machine frame body (1), sliding grooves (85) are symmetrically formed in the box body (81), the sliding block (82) is symmetrically installed in the sliding grooves (85), the sliding block (82) moves along the sliding grooves (85) in the front-back direction, the oil cylinder (83) is arranged on the front side or the back side of the sliding block (82), the oil cylinder (83) is connected with the sliding block (82), the locking plate (84) is symmetrically arranged on the outer side of the sliding block (82), one end of the locking plate (84) is inserted into the box body (81) to be tightly propped against the sliding block (82), and the other end of the locking plate is connected with the wheel set positioning device (4) through a pin shaft (86).
2. An wheelset bearing assembly machine according to claim 1, wherein: the propping position of the sliding block (82) and the locking plate (84) is of an inclined plane structure.
3. An wheelset bearing assembly machine according to claim 1, wherein: the number of the oil cylinders (83) is 2, and each oil cylinder (83) is connected with a different sliding block (82).
4. An wheelset bearing assembly machine according to claim 1, wherein: the wheel set positioning device is characterized in that a steel rail (11) is arranged on the outer side of the wheel set positioning device (4), a steel rail fixing seat (12) is arranged on the frame body (1), the steel rail (11) is fixed above two ends of the steel rail fixing seat (12), lifting seat guide plates (13) are arranged on the left part and the right part of the steel rail fixing seat (12), the wheel set positioning device (4) moves up and down along the lifting seat guide plates (13), a pin roll (86) of the center positioning device (8) penetrates through the lifting seat guide plates (13) and is fixed with the wheel set positioning device (4), the outer side of the lifting seat guide plates (13) is fixed with the frame body (1) after penetrating through the steel rail (11) through a box connecting screw (14), a box body (81) of the center positioning device (8) is fixed at the upper end of the middle part of the steel rail fixing seat (12), and an oil cylinder (83) of the center positioning device (8) is fixed at the front end or the rear end of the fixing seat steel rail (12).
5. An wheelset bearing assembly machine according to claim 1, wherein: the bearing press-fit device (3) comprises a press-fit base body (31), a sleeve cylinder press-fit cylinder (32), a thimble (33) and a shaft end thimble sleeve (34), wherein the press-fit base body (31) is arranged on the frame body (1), the sleeve cylinder press-fit cylinder (32) is fixed above the press-fit base body (31), a small cylinder of the sleeve cylinder press-fit cylinder (32) is connected with the thimble (33), a large cylinder of the sleeve cylinder press-fit cylinder (32) is connected with the shaft end thimble sleeve (34), and the shaft end thimble sleeve (34) is sleeved on the outer wall of the thimble (33).
6. An wheelset bearing assembly machine according to claim 1, wherein: the gantry comprises a gantry body (2) and a gantry body, wherein the gantry body (2) comprises upright posts (21) and cross beams (22), the upright posts (21) are fixed on the left side and the right side of the gantry body (1), the upper ends of the two upright posts (21) are fixedly connected through the cross beams (22), the inner sides of the upright posts (21) are of vertical structures, and the outer sides of the upright posts are of inclined structures.
7. An wheelset bearing assembly machine according to claim 1, wherein: the center of the gantry component (2), the bearing press-fitting device (3), the wheel set positioning device (4), the wheel set synchronous lifting device (5), the center height measuring device (6), the rotating device (7) and the center positioning device (8) are positioned on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321061775.0U CN220112691U (en) | 2023-05-06 | 2023-05-06 | Wheel pair bearing assembly machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321061775.0U CN220112691U (en) | 2023-05-06 | 2023-05-06 | Wheel pair bearing assembly machine |
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| CN220112691U true CN220112691U (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321061775.0U Active CN220112691U (en) | 2023-05-06 | 2023-05-06 | Wheel pair bearing assembly machine |
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| CN (1) | CN220112691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117961495A (en) * | 2024-04-01 | 2024-05-03 | 济南雷圣自动化技术有限公司 | Automatic change train wheel pair bearing press-fit production line |
-
2023
- 2023-05-06 CN CN202321061775.0U patent/CN220112691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117961495A (en) * | 2024-04-01 | 2024-05-03 | 济南雷圣自动化技术有限公司 | Automatic change train wheel pair bearing press-fit production line |
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