CN221051429U - Balance heavy-load rotary speed reducer of super-high tower crane - Google Patents
Balance heavy-load rotary speed reducer of super-high tower crane Download PDFInfo
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- CN221051429U CN221051429U CN202322623593.4U CN202322623593U CN221051429U CN 221051429 U CN221051429 U CN 221051429U CN 202322623593 U CN202322623593 U CN 202322623593U CN 221051429 U CN221051429 U CN 221051429U
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- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
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Abstract
The utility model discloses an ultra-high tower crane balance heavy-load rotary speed reducer, which relates to the technical field of rotary speed reducers, and comprises a base and an end cover, wherein a rotary supporting ring is fixedly connected inside the base through bolts, a turbine ring is rotationally connected to the outer side of the rotary supporting ring, and a balance mechanism is fixedly connected to one side of the base.
Description
Technical Field
The utility model relates to the technical field of rotary speed reducers, in particular to a balance heavy-load rotary speed reducer of an ultra-high tower crane.
Background
Along with the rapid development of Chinese economy, the construction engineering industry is also developing vigorously. The ultra-high tower crane is used as important construction mechanical equipment and is widely applied to the construction process of high-rise buildings. The rotary speed reducer is used as an important rotating part in the ultra-high tower crane, however, the conventional rotary speed reducer is difficult to meet the requirements of high strength and high load due to the fact that the ultra-high tower crane needs to bear huge load and rotation moment in the working process.
Like chinese patent CN215980734U discloses a tower machine gyration speed reducer, including the base plate, a plurality of screw holes have been seted up to base plate week side, the draw-in groove has been seted up to base plate top center department, the mounting groove has been seted up to the draw-in groove inner wall, mounting groove inner wall bottom fixedly connected with second spring, second spring top fixedly connected with movable block, the draw-in groove top is equipped with the spacing dish, spacing dish top fixedly connected with speed reducer main part, one side that the base plate is close to the draw-in groove rotates and is connected with a plurality of bull sticks, bull stick top fixedly connected with first spring, first spring top fixedly connected with fly leaf, fly leaf top fixedly connected with handle.
However, in the prior art, as the weight of the super high tower crane lifted is gradually increased, the traditional speed reducer easily generates unbalanced moment when bearing heavy load, so that the rotation of a transmission shaft of the super high tower crane is unstable, abnormal jitter occurs, and the super high tower crane is unsmooth in work and reduced in stability.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the weight of the super-high tower crane is gradually changed, and the traditional speed reducer is easy to generate unbalanced moment when bearing heavy load, so that the rotation of a transmission shaft of the super-high tower crane is unstable, abnormal jitter occurs, and the work of the super-high tower crane is unsmooth and the stability is reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an ultra-high tower machine balance heavy load slewing reducer, includes base and end cover, the inside of base is through bolt fixedly connected with slewing bearing ring, slewing bearing ring's outside rotation is connected with the turbine ring, one side fixedly connected with balancing mechanism of base, balancing mechanism includes the ring, one side of ring with one side fixedly connected with of base, the inside fixedly connected with multiunit spacing seat of ring, the inboard sliding connection of spacing seat has interior supporting shoe, the inside rotation of interior supporting shoe is connected with the cam spare, the inside rotation of the one end of interior supporting shoe is connected with the roller, the middle part fixedly connected with center pin of cam spare.
Preferably, the outside fixedly connected with handle of cam spare, the both ends of center pin with the inside rotation connection of spacing seat.
Preferably, a ratchet wheel is fixedly connected to the outer surface of one end of the central shaft, and a fixing block is fixedly connected to one side of the limiting seat.
Preferably, a spring is fixedly connected to one side of the fixing block, and a detent plate is fixedly connected to the other end of the spring.
Preferably, the middle part of the detent plate is rotationally connected with one side of the limiting seat, and one end of the detent plate is movably clamped with the outer side of the ratchet wheel.
Preferably, the two sides of the base are fixedly connected with end covers, and the two end covers are rotatably connected with worms.
Preferably, the outside of worm with the outside meshing of turbine ring is connected, one side fixedly connected with roof of base, the inboard of roof with the outside rotation of turbine ring is connected.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. According to the utility model, the handle is stirred to drive the cam piece to rotate in the inner groove of the inner supporting block, the protruding position of the cam piece pushes the inner supporting block to slide outwards in the limiting seat, the inner supporting block is extended to be close to the outer surface of the transmission shaft of the ultra-high tower crane, after the roller contacts the surface of the transmission shaft, stirring of the handle is stopped, the cam piece and the ratchet wheel are coaxial through the central shaft, after the cam piece stops rotating, the ratchet wheel is likewise stopped rotating and is clamped and limited by the pawl plate, other groups of the ratchet wheel are also operated, a plurality of rollers encircle and are limited on the outer surface of the transmission shaft of the ultra-high tower crane, auxiliary limiting is carried out on the transmission shaft, shaking is avoided when the transmission shaft rotates, so that the rotation stability of the transmission shaft in a heavy load state is increased, and the operation stability of the ultra-high tower crane is further improved.
2. According to the utility model, the transmission shaft in the super high tower crane penetrates through the circular ring and is fixed to the turbine ring through the bolts, the input end of the worm is connected with the upper motor to rotate in the base, the worm is meshed with the turbine ring to rotate on the outer side of the slewing bearing ring, so that the transmission shaft is driven to rotate, the speed reduction is realized, the output torque is improved, and the hoisting work is completed.
Drawings
Fig. 1 is a schematic perspective view of an ultra-high tower crane balance heavy-load rotary speed reducer according to the present utility model;
FIG. 2 is a schematic diagram showing the exploded perspective structure of a balance heavy-duty rotary speed reducer for an ultra-high tower crane according to the present utility model;
FIG. 3 is a front view of a balancing mechanism in an ultra-high tower crane balancing heavy-duty rotary speed reducer;
fig. 4 is a schematic diagram of a partial three-dimensional structure of a balancing mechanism in an ultra-high tower crane balancing heavy-load rotary speed reducer.
Legend description: 1. a base; 2. a balancing mechanism; 21. a circular ring; 22. a limit seat; 23. a fixed block; 24. a spring; 25. a detent plate; 26. a ratchet wheel; 27. a central shaft; 28. a cam member; 29. an inner support block; 210. a roller; 211. a handle; 3. a worm; 4. an end cap; 5. a slewing bearing ring; 6. a turbine ring; 7. and a top plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
As shown in fig. 1-4, the utility model provides an ultra-high tower crane balance heavy-load rotary speed reducer, which comprises a base 1 and an end cover 4, wherein a rotary supporting ring 5 is fixedly connected inside the base 1 through bolts, a turbine ring 6 is rotatably connected to the outer side of the rotary supporting ring 5, one side of the base 1 is fixedly connected with a balance mechanism 2, the balance mechanism 2 comprises a circular ring 21, one side of the circular ring 21 is fixedly connected with one side of the base 1, a plurality of groups of limit seats 22 are fixedly connected inside the circular ring 21, an inner support block 29 is slidingly connected to the inner side of the limit seats 22, a cam piece 28 is rotatably connected inside the inner support block 29, one end of the inner support block 29 is rotatably connected with a roller 210, a central shaft 27 is fixedly connected to the middle part of the cam piece 28, a handle 211 is fixedly connected to the outer side of the central shaft 27, two ends of the central shaft 27 are rotatably connected with the inner side of the limit seats 22, one end outer surface of the central shaft 27 is fixedly connected with a ratchet 26, one side of the limit seat 22 is fixedly connected with a fixed block 23, one side of the fixed block 23 is fixedly connected with a spring 24, the other end of the spring 24 is fixedly connected with a plate 25, the middle part of the ratchet plate 25 is rotatably connected with one end of the ratchet plate 25, and one side of the ratchet plate 22 is movably clamped with the outer side of the ratchet plate 25.
The specific arrangement and function of the present embodiment will be specifically described below: through stirring the handle 211, the handle 211 drives the cam member 28 to rotate in the groove in the inner supporting block 29, the protruding position of the cam member 28 pushes the inner supporting block 29 to slide outwards in the limiting seat 22, the inner supporting block 29 is close to the outer surface of the transmission shaft of the ultra-high tower crane after extending, after the roller 210 contacts the surface of the transmission shaft, stirring the handle 211 is stopped, the cam member 28 and the ratchet 26 are coaxial through the central shaft 27, after the cam member 28 stops rotating, the ratchet 26 also stops rotating and is clamped and limited by the pawl plate 25, other groups of rollers 210 are also operated, and the rollers are limited on the outer surface of the transmission shaft of the ultra-high tower crane in a surrounding mode to assist in limiting the transmission shaft, so that shaking of the transmission shaft in the rotation of the transmission shaft is avoided, the rotation stability of the transmission shaft in the heavy load state is increased, and the operation stability of the ultra-high tower crane is further improved.
Example two
As shown in fig. 1 and 2, a balanced heavy-duty rotary speed reducer of ultra-high tower machine, including base 1 and end cover 4, the inside of base 1 is through bolt fixedly connected with slewing bearing ring 5, and slewing bearing ring 5's outside is rotated and is connected with turbine ring 6, and one side fixedly connected with balance mechanism 2 of base 1, the equal fixedly connected with end cover 4 in both sides of base 1, the inside of two end covers 4 is rotated and is connected with worm 3, and the outside of worm 3 is connected with turbine ring 6's outside meshing, and one side fixedly connected with roof 7 of base 1, the inboard of roof 7 is rotated with turbine ring 6's outside and is connected.
The whole embodiment of the device achieves the effects that a transmission shaft in the ultra-high tower crane penetrates through the circular ring 21 and is fixed to the turbine ring 6 through bolts, the input end of the worm 3 is connected with an upper motor to rotate in the base 1, the worm 3 is meshed with the turbine ring 6 to rotate on the outer side of the slewing bearing ring 5, the transmission shaft is driven to rotate, speed reduction is achieved, output torque is improved, and hoisting work is completed.
The application method and the working principle of the device are as follows: when the super high tower crane is used for balancing the heavy-load rotary speed reducer, firstly, a transmission shaft in the super high tower crane passes through the circular ring 21 and is fixed on the turbine ring 6 through bolts, then, the handle 211 is shifted, the handle 211 drives the cam member 28 to rotate in the inner groove of the inner supporting block 29, the protruding position of the cam member 28 pushes the inner supporting block 29 to slide outwards in the limiting seat 22, the inner supporting block 29 extends to be close to the outer surface of the transmission shaft of the super high tower crane, after the roller 210 contacts the surface of the transmission shaft, the handle 211 is stopped, the cam member 28 and the ratchet wheel 26 are coaxial through the central shaft 27, after the rotation of the cam member 28 is stopped, the ratchet wheel 26 is stopped rotating again, the ratchet wheel plate 25 is clamped for limiting, other groups of the same operations are performed, then, the input end of the worm 3 is connected with the upper motor to rotate in the base 1, the worm 3 is meshed with the turbine ring 6 to rotate outside the rotary supporting ring 5, thereby driving the transmission shaft is driven, and the plurality of rollers 210 are limited on the outer surface of the transmission shaft of the super high tower crane, auxiliary limiting is carried out on the transmission shaft, and shaking is avoided when the transmission shaft rotates.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides an ultra-high tower machine balance heavy load gyration speed reducer, includes base (1) and end cover (4), its characterized in that: the inside of base (1) is through bolt fixedly connected with slewing bearing ring (5), the outside of slewing bearing ring (5) is rotated and is connected with turbine ring (6), one side fixedly connected with balancing mechanism (2) of base (1), balancing mechanism (2) include ring (21), one side of ring (21) with one side fixedly connected with of base (1), the inside fixedly connected with multiunit spacing seat (22) of ring (21), the inboard sliding connection of spacing seat (22) has interior supporting shoe (29), the inside rotation of interior supporting shoe (29) is connected with cam piece (28), the inside rotation of one end of interior supporting shoe (29) is connected with roller (210), the middle part fixedly connected with center pin (27) of cam piece (28).
2. The balance heavy-duty rotary speed reducer of an ultra-high tower crane according to claim 1, wherein: the outside of cam spare (28) fixedly connected with handle (211), the both ends of center pin (27) with the inside rotation connection of spacing seat (22).
3. The balance heavy-duty rotary speed reducer of an ultra-high tower crane according to claim 2, wherein: one end surface fixedly connected with ratchet (26) of center pin (27), one side fixedly connected with fixed block (23) of spacing seat (22).
4. The balance heavy-duty rotary speed reducer of an ultra-high tower crane according to claim 3, wherein: one side of the fixed block (23) is fixedly connected with a spring (24), and the other end of the spring (24) is fixedly connected with a pawl plate (25).
5. The balance heavy-duty rotary speed reducer for an ultra-high tower crane according to claim 4, wherein: the middle part of the pawl plate (25) is rotationally connected with one side of the limiting seat (22), and one end of the pawl plate (25) is movably clamped with the outer side of the ratchet wheel (26).
6. The balance heavy-duty rotary speed reducer of an ultra-high tower crane according to claim 1, wherein: the two sides of the base (1) are fixedly connected with end covers (4), and the two end covers (4) are internally and rotatably connected with worms (3).
7. The balance heavy-duty slewing reducer of an ultra-high tower crane according to claim 6, wherein: the outside of worm (3) with the outside meshing of turbine ring (6) is connected, one side fixedly connected with roof (7) of base (1), the inboard of roof (7) with the outside rotation of turbine ring (6) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322623593.4U CN221051429U (en) | 2023-09-27 | 2023-09-27 | Balance heavy-load rotary speed reducer of super-high tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322623593.4U CN221051429U (en) | 2023-09-27 | 2023-09-27 | Balance heavy-load rotary speed reducer of super-high tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221051429U true CN221051429U (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322623593.4U Active CN221051429U (en) | 2023-09-27 | 2023-09-27 | Balance heavy-load rotary speed reducer of super-high tower crane |
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| Country | Link |
|---|---|
| CN (1) | CN221051429U (en) |
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- 2023-09-27 CN CN202322623593.4U patent/CN221051429U/en active Active
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