CN219549359U - Pulley device for cable saddle system and cable saddle system - Google Patents
Pulley device for cable saddle system and cable saddle system Download PDFInfo
- Publication number
- CN219549359U CN219549359U CN202320249547.XU CN202320249547U CN219549359U CN 219549359 U CN219549359 U CN 219549359U CN 202320249547 U CN202320249547 U CN 202320249547U CN 219549359 U CN219549359 U CN 219549359U
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- pulley
- bearing
- central shaft
- cable saddle
- lubrication channel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Flexible Shafts (AREA)
Abstract
The utility model relates to a cable saddle system, in particular to a pulley device for the cable saddle system and the cable saddle system, wherein the pulley device comprises a pulley and a central shaft, a through cavity is axially arranged in the middle of the pulley, the central shaft penetrates through the through cavity, a bearing is arranged in the through cavity, the central shaft and the pulley are in running fit through the bearing, at least one side of the bearing is correspondingly provided with a bearing end cover, the bearing end cover is sleeved on the central shaft, and a labyrinth oil seal structure can be formed between the pulley and the bearing end cover. The pulley device for the cable saddle system can effectively improve the sealing performance between the bearing end cover and the pulley, and avoid grease overflow in the process of injecting grease into the bearing, so as to prevent external dust and the like from entering the bearing, and has a good sealing effect.
Description
Technical Field
The present utility model relates to a cable saddle system, and more particularly, to a pulley device for a cable saddle system and a cable saddle system.
Background
The traditional cable crane system is widely provided with a cable saddle on a cable tower, a pulley block is arranged on the cable saddle, and the pulley block comprises a plurality of pulleys and is used for being matched with a bearing cable, a traction cable or a lifting cable.
The pulley of pulley block in traditional cable saddle system adopts the straight line to arrange generally, and in the oil injection in-process along the center pin, oil overflows easily, and sealed effect is relatively poor, and each adjacent part is inseparable.
Disclosure of Invention
The utility model aims at: aiming at the problem that in the process of oiling grease along a central shaft, a pulley of a pulley block in a traditional cable saddle system in the prior art has poor sealing effect, the pulley device for the cable saddle system and the cable saddle system are provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a pulley gear for cable saddle system, includes pulley and center pin, pulley middle part axial is provided with logical chamber, the center pin runs through logical chamber, it is provided with the bearing to lead to the intracavity, just the center pin with the pulley passes through bearing normal running fit, at least one side of bearing corresponds and is provided with the bearing end cover, the bearing end cover set up in on the center pin, the pulley with can form labyrinth oil blanket structure between the bearing end cover.
According to the pulley device for the cable saddle system, the central shaft and the pulley are in running fit through the bearing, the bearing end cover is correspondingly arranged on at least one side of the bearing, the bearing end cover is sleeved on the central shaft, the labyrinth oil seal structure is arranged between the pulley and the bearing end cover, the sealing performance between the bearing end cover and the pulley can be effectively improved, grease is prevented from overflowing in the process of injecting grease into the bearing, external dust and the like are prevented from entering the bearing, and the sealing effect is good.
Preferably, the pulley side face is convexly provided with at least one protruding portion, the bearing end cover side face is correspondingly provided with an inner concave portion, and the protruding portion is matched with the corresponding inner concave portion and forms the labyrinth oil seal structure.
Preferably, the inner wall of the pulley at the through cavity is provided with a protruding block towards the central shaft, the protruding block is abutted against the outer ring side surface of the bearing, the bearing end cover is abutted against the inner ring side surface of the corresponding bearing, and the bearing is positioned between the protruding block and the corresponding bearing end cover. Thereby improving the force transmission effect along the axial direction between the parts on the pulley device.
Preferably, at least one bearing end cap is abutted with the central shaft along the axial direction of the central shaft.
The lateral force born by the pulley can be transmitted to the central shaft and the bearing end cover through the bearing, and the lateral force transmitted to the bearing end cover is transmitted to the central shaft through at least one bearing end cover, so that the lateral stress of the bearing inner ring is reduced, the bearing end cover can transmit the axial load along the central shaft, the lateral force born by the pulley can be effectively transmitted to the central shaft, the force transmission effect of each component is improved, and the load can be better transmitted.
Preferably, at least two bearings are arranged between the central shaft and the pulley, a shaft sleeve is arranged between every two adjacent bearings, the shaft sleeve is sleeved on the outer side of the central shaft, a shaft sleeve lubrication channel is radially and penetratingly arranged in the shaft sleeve, a central shaft lubrication channel is arranged in the central shaft, the central shaft lubrication channel is communicated with the shaft sleeve lubrication channel, and lubricating liquid can be injected into the adjacent bearings after sequentially passing through the central shaft lubrication channel and the shaft sleeve lubrication channel.
The lubricating liquid is oil or lubricant.
Preferably, at least one circle of annular groove is formed in the inner wall of the shaft sleeve along the circumferential direction, and the inner side port of the shaft sleeve lubrication channel is located in the annular groove.
When the bearing is in operation, the central shaft and the shaft sleeve can have relative displacement along the circumferential direction of the central shaft, the displacement can possibly cause the condition that the opposite positions of the shaft sleeve lubrication channel and the central shaft lubrication channel are misplaced, so that lubrication liquid in the central shaft lubrication channel cannot enter the shaft sleeve lubrication channel, in this case, at least one circle of annular grooves are formed in the circumferential direction of the inner wall of the shaft sleeve, the inner side port of the shaft sleeve lubrication channel is positioned in the annular grooves, and when the condition that the opposite positions of the shaft sleeve lubrication channel and the central shaft lubrication channel are misplaced, oil or lubricant in the central shaft lubrication channel can still enter the shaft sleeve lubrication channel through the annular grooves, so that the lubrication effect of the bearing is ensured.
Preferably, the central shaft lubrication channel comprises an axial lubrication channel and a radial lubrication channel which are communicated, and the shaft sleeve lubrication channel is communicated with at least one radial lubrication channel.
Preferably, at least two pulleys are sleeved on the central shaft, the bearing end covers are arranged on opposite sides of adjacent pulleys, and the two adjacent bearing end covers are abutted.
Preferably, the pulley device for the cable saddle system further comprises a seat plate, wherein the seat plate is provided with an opening groove matched with the central shaft, a side plate is sleeved on the central shaft, the side plate is connected with the seat plate, and a cable blocking rod is connected to the side plate.
The seat board is provided with an open slot matched with the central shaft so as to facilitate the installation of the central shaft.
The utility model also discloses a cable saddle system, which comprises a base, wherein at least one pulley device for the cable saddle system is arranged on the base, and the pulley is used for being matched with a cable.
According to the cable saddle system, the central shaft and the pulleys are in running fit through the bearings, the bearing end covers are correspondingly arranged on at least one side of the bearings, the bearing end covers are sleeved on the central shaft, a labyrinth oil seal structure is arranged between the pulleys and the bearing end covers, the sealing performance between the bearing end covers and the pulleys can be effectively improved, grease is prevented from overflowing in the process of injecting grease into the bearings, external dust and the like are prevented from entering the bearings, and the sealing effect is good.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the pulley device for the cable saddle system, the central shaft and the pulley are in running fit through the bearing, the bearing end cover is correspondingly arranged on at least one side of the bearing, the bearing end cover is sleeved on the central shaft, the labyrinth oil seal structure is arranged between the pulley and the bearing end cover, the sealing performance between the bearing end cover and the pulley can be effectively improved, grease is prevented from overflowing in the process of injecting grease into the bearing, external dust and the like are prevented from entering the bearing, and the sealing effect is good.
2. According to the cable saddle system, the central shaft and the pulleys are in running fit through the bearings, the bearing end covers are correspondingly arranged on at least one side of the bearings, the bearing end covers are sleeved on the central shaft, a labyrinth oil seal structure is arranged between the pulleys and the bearing end covers, the sealing performance between the bearing end covers and the pulleys can be effectively improved, grease is prevented from overflowing in the process of injecting grease into the bearings, external dust and the like are prevented from entering the bearings, and the sealing effect is good.
Drawings
Fig. 1 is a schematic view of a pulley of the present utility model in a longitudinal cut-away configuration.
Fig. 2 is a schematic diagram of the pulley, bearing and central shaft mating structure of the present utility model.
Fig. 3 is an enlarged schematic view of the portion a of fig. 2 in accordance with the present utility model.
Fig. 4 is a schematic view of a longitudinal cut-away structure of a grooved sleeve of the present utility model.
Fig. 5 is a schematic view of the structure of the seat plate of the present utility model.
Fig. 6 is a schematic structural view of a pulley device for a cable saddle system according to the present utility model.
Fig. 7 is a schematic view in longitudinal cross-section of the structure of a pulley device for a cable saddle system according to the present utility model.
Fig. 8 is a schematic structural view of a cable saddle system of the present utility model.
Icon: 1-pulleys; 11-through cavity; 12-inner wall; 13-bump; 14-a boss; 2-a bearing end cap; 21-an inner recess; 22-a projection; 3-a central axis; 31-a central shaft lubrication channel; 32-an axial lubrication channel; 33-radial lubrication channels; 34-peri-shoulder; 4-bearing; 41-inner ring; 42-outer ring; 5-seat board; 51-open slot; 6-side plates; 7-rope blocking rods; 8-shaft sleeve; 81-a sleeve lubrication channel; 82-an annular groove; 9-a base.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1-7, the pulley device for a cable saddle system according to this embodiment includes a pulley 1 and a central shaft 3, a through cavity 11 is axially disposed in the middle of the pulley 1, the central shaft 3 penetrates through the through cavity 11, a bearing 4 is disposed in the through cavity 11, the central shaft 3 is in running fit with the pulley 1 through the bearing 4, a bearing end cover 2 is correspondingly disposed on at least one side of the bearing 4, the bearing end cover 2 is sleeved on the central shaft 3, and a labyrinth oil seal structure can be formed between the pulley 1 and the bearing end cover 2.
According to the pulley device for the cable saddle system, the central shaft 3 and the pulley 1 are in running fit through the bearing 4, the bearing end cover 2 is correspondingly arranged on at least one side of the bearing 4, the bearing end cover 2 is sleeved on the central shaft 3, a labyrinth oil seal structure is arranged between the pulley 1 and the bearing end cover 2, the sealing performance between the bearing end cover 2 and the pulley 1 can be effectively improved, grease is prevented from overflowing in the process of injecting grease towards the inside of the bearing 4, external dust and the like are prevented from entering the bearing 4, and the sealing effect is good.
Preferably, at least one protruding portion 14 is protruding on the side surface of the pulley 1, an inner concave portion 21 is correspondingly disposed on the side surface of the bearing end cover 2, and the protruding portion 14 is matched with the corresponding inner concave portion 21 and forms the labyrinth oil seal structure.
Preferably, the inner wall 12 of the pulley 1 at the through cavity 11 is provided with a protruding block 13 protruding toward the central shaft 3, the protruding block 13 is abutted against the side surface of the outer ring 42 of the bearing 4, the bearing end cover 2 is abutted against the side surface of the inner ring 41 corresponding to the bearing 4, and the bearing 4 is located between the protruding block 13 and the corresponding bearing end cover 2. Thereby improving the force transmission effect along the axial direction between the parts on the pulley device.
Specifically, a radially inner end of the bearing cap 2 is provided with a protrusion 22 toward a side corresponding to the bearing 4, and the protrusion 22 abuts against a side corresponding to the inner ring 41 of the bearing 4.
In addition to the above, it is further preferable that at least one of the bearing caps 2 is abutted against the center shaft 3 along the axial direction of the center shaft 3.
The lateral force born by the pulley 1 can be transmitted to the central shaft 3 and the bearing end cover 2 through the bearing 4, and the lateral force transmitted to the bearing end cover 2 is transmitted to the central shaft 3 through at least one bearing end cover 2, so that the lateral stress of the inner ring 41 of the bearing 4 is reduced, the bearing end cover 2 can transmit the axial load along the central shaft 3, the lateral force born by the pulley 1 can be effectively transmitted to the central shaft 3, the force transmission effect of each component is improved, and the load can be better transmitted.
On the basis of the above, it is further preferable that at least two bearings 4 are disposed between the central shaft 3 and the pulley 1, a sleeve 8 is disposed between the adjacent bearings 4, the sleeve 8 is sleeved on the outer side of the central shaft 3, a sleeve lubrication channel 81 is radially and penetratingly disposed on the sleeve 8, a central shaft lubrication channel 31 is disposed in the central shaft 3, the central shaft lubrication channel 31 is communicated with the sleeve lubrication channel 81, and a lubrication liquid can sequentially pass through the central shaft lubrication channel 31 and the sleeve lubrication channel 81 and then be injected into the adjacent bearings 4.
The lubricating liquid is oil or lubricant.
On the basis of the above, it is further preferable that at least one ring of annular grooves 82 is circumferentially provided on the inner wall of the sleeve 8, and the inner port of the sleeve lubrication passage 81 is located in the annular groove 82.
When in operation, the central shaft 3 and the shaft sleeve 8 have relative displacement along the circumferential direction of the central shaft 3, and the displacement may cause misalignment of the alignment position of the shaft sleeve lubrication channel 81 and the central shaft lubrication channel 31, so that the lubrication liquid in the central shaft lubrication channel 31 cannot enter the shaft sleeve lubrication channel 81, in this case, at least one ring of annular groove 82 is circumferentially arranged on the inner wall of the shaft sleeve 8, the inner side port of the shaft sleeve lubrication channel 81 is positioned in the annular groove 82, and when misalignment of the alignment position of the shaft sleeve lubrication channel 81 and the central shaft lubrication channel 31 occurs, the oil or lubricant in the central shaft lubrication channel 31 can still enter the shaft sleeve lubrication channel 81 through the annular groove 82, so as to ensure the lubrication effect of the bearing 4.
On the basis of the above, it is further preferable that the central shaft lubrication passage 31 includes an axial lubrication passage 32 and a radial lubrication passage 33 which are communicated, and the sleeve lubrication passage 81 is communicated with at least one of the radial lubrication passages 33.
On the basis of the above, it is further preferable that at least two pulleys 1 are sleeved on the central shaft 3, the bearing end caps 2 are disposed on opposite sides of adjacent pulleys 1, and the two adjacent bearing end caps 2 are abutted.
As shown in fig. 5, in a further preferred embodiment, the pulley device for a saddle system according to the present utility model further includes a seat plate 5, the seat plate 5 is provided with an open slot 51 matched with the central shaft 3, a side plate 6 is sleeved on the central shaft 3, the side plate 6 is connected with the seat plate 5, and a rope blocking rod 7 is connected to the side plate 6.
The seat plate 5 is provided with an open slot 51 cooperating with the central shaft 3 to facilitate the installation of the central shaft 3.
The central shaft 3 is provided with a circumferential shoulder 34, and the bearing end cover 2 closest to the circumferential shoulder 34 is abutted against the circumferential shoulder 34 along the axial direction of the central shaft 3.
The beneficial effects of this embodiment are: according to the pulley device for the cable saddle system, through reasonable assembly of all components, firm connection of all components is ensured, the central shaft 3 is provided with the axial lubrication channel 32 through the central hole, the radial holes are formed in the position of the pulley 1 along the radial direction, the radial lubrication channel 33 is formed, lubricating oil is injected along the central shaft 3, flows into the central position of the pulley 1 along the direction of the holes, at least one protruding part 14 is arranged on the side surface of the pulley 1 in a protruding mode, an inner concave part 21 is correspondingly arranged on the side surface of the bearing end cover 2, the protruding parts 14 are matched with the corresponding inner concave part 21, concave-convex parts are tightly connected, and labyrinth oil seals are formed through connection, so that not only is the sealing performance of the structure effectively improved, but also the grease is prevented from overflowing in the process of injecting grease along the central shaft 3, external dust and the like are prevented from entering the bearing 4, but also the force transmission effect of all components is improved, and the load can be better transmitted.
Example 2
As shown in fig. 1-8, a cable saddle system according to this embodiment includes a base 9, where at least one pulley device for a cable saddle system according to embodiment 1 is provided on the base 9, and the pulley 1 is configured to cooperate with a cable.
Specifically, the base 9 is a box girder structure.
In particular, the rope is in particular a load-bearing rope, a hauling rope or a lifting rope, the load-bearing rope 10 being generally known in the industry as a main rope
The beneficial effects of this embodiment are: the cable saddle system of this embodiment, center pin 3 with pulley 1 passes through bearing 4 normal running fit, at least one side of bearing 4 corresponds to be provided with bearing end cover 2, the bearing end cover 2 cover set up in on the center pin 3, pulley 1 with have labyrinth oil blanket structure between the bearing end cover 2, can effectively improve the sealing performance between bearing end cover 2 and the pulley 1, avoid in the inside injection grease in-process of bearing 4, the grease is excessive to prevent external dust etc. entering bearing 4, sealed effectual.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a pulley gear for cable saddle system, includes pulley (1) and center pin (3), pulley (1) middle part axial is provided with logical chamber (11), center pin (3) run through logical chamber (11), be provided with bearing (4) in logical chamber (11), just center pin (3) with pulley (1) are passed through bearing (4) normal running fit, at least one side of bearing (4) corresponds and is provided with bearing cap (2), bearing cap (2) cover set up in on center pin (3), a serial communication port, pulley (1) with can form labyrinth oil seal structure between bearing cap (2).
2. Pulley device for cable saddle systems according to claim 1, characterized in that the pulley (1) is provided with at least one protruding portion (14) protruding laterally, the bearing end cap (2) is provided with an inner recess (21) laterally, the protruding portion (14) cooperates with the corresponding inner recess (21) and forms the labyrinth seal.
3. Pulley device for cable saddle systems according to claim 1, characterized in that the inner wall (12) of the pulley (1) at the through cavity (11) is provided with a protruding block (13) protruding towards the central shaft (3), the protruding block (13) being in lateral abutment with the outer ring (42) of the bearing (4), the bearing end cap (2) being in lateral abutment with the inner ring (41) of the corresponding bearing (4), the bearing (4) being located between the protruding block (13) and the corresponding bearing end cap (2).
4. Pulley arrangement for a cable saddle system according to claim 1, characterized in that at least one bearing end cap (2) is in axial abutment with the central shaft (3) along the central shaft (3).
5. Pulley arrangement for a cable saddle system according to claim 1, characterized in that at least two bearings (4) are arranged between the central shaft (3) and the pulley (1), a bushing (8) is arranged between adjacent bearings (4), the bushing (8) is sleeved outside the central shaft (3), the bushing (8) is radially through-arranged with a bushing lubrication channel (81), a central shaft lubrication channel (31) is arranged in the central shaft (3), the central shaft lubrication channel (31) is in communication with the bushing lubrication channel (81), and the bushing lubrication channel (81) is configured to: the lubricating liquid can be injected into the adjacent bearing (4) after sequentially passing through the central shaft lubricating channel (31) and the shaft sleeve lubricating channel (81).
6. Pulley means for cable saddle systems according to claim 5, characterized in that the inner wall of the bushing (8) is provided with at least one ring of annular grooves (82) in the circumferential direction, the inner port of the bushing lubrication channel (81) being located in the annular groove (82).
7. A pulley arrangement for a cable saddle system according to claim 6, characterized in that the central shaft lubrication channel (31) comprises an axial lubrication channel (32) and a radial lubrication channel (33) communicating, the bushing lubrication channel (81) communicating with at least one of the radial lubrication channels (33).
8. Pulley arrangement for cable saddle systems according to claim 7, characterized in that at least two pulleys (1) are sleeved on the central shaft (3), the bearing end caps (2) being arranged on opposite sides of adjacent pulleys (1) and two adjacent bearing end caps (2) being in abutment.
9. Pulley device for cable saddle systems according to any one of claims 1-8, characterized in that it further comprises a seat plate (5), wherein the seat plate (5) is provided with an open slot (51) cooperating with the central shaft (3), a side plate (6) is sleeved on the central shaft (3), the side plate (6) is connected with the seat plate (5), a cable blocking rod (7) is connected to the side plate (6), and the cable blocking rod (7) is used for preventing the cable from falling out of the pulley (1).
10. Cable saddle system characterized by comprising a base (9) and a cable, said base (9) being provided with at least one pulley device for a cable saddle system according to any one of claims 1-9, said pulley (1) being intended to cooperate with the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320249547.XU CN219549359U (en) | 2023-02-17 | 2023-02-17 | Pulley device for cable saddle system and cable saddle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320249547.XU CN219549359U (en) | 2023-02-17 | 2023-02-17 | Pulley device for cable saddle system and cable saddle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549359U true CN219549359U (en) | 2023-08-18 |
Family
ID=87699905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320249547.XU Active CN219549359U (en) | 2023-02-17 | 2023-02-17 | Pulley device for cable saddle system and cable saddle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549359U (en) |
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2023
- 2023-02-17 CN CN202320249547.XU patent/CN219549359U/en active Active
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