CN217838202U - Amplitude-variable speed reducer - Google Patents
Amplitude-variable speed reducer Download PDFInfo
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- CN217838202U CN217838202U CN202221941238.0U CN202221941238U CN217838202U CN 217838202 U CN217838202 U CN 217838202U CN 202221941238 U CN202221941238 U CN 202221941238U CN 217838202 U CN217838202 U CN 217838202U
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- winding drum
- ring
- sealing cover
- connecting ring
- luffing
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Abstract
The application provides a variable amplitude speed reducer, which comprises a connecting ring, a fixing ring and a winding drum, wherein one end of the winding drum is rotatably arranged on the connecting ring, and the other end of the winding drum is rotatably arranged on the fixing ring; a speed reduction groove is formed in the connecting ring at the end part of the winding drum, and an inner gear ring is arranged on the inner wall of the speed reduction groove; the center of the deceleration groove is rotatably provided with a sun wheel, and the center of the side surface of the sun wheel, which is far away from the winding drum, is provided with an input shaft; a planet wheel is also arranged between the sun wheel and the inner gear ring; the planet wheel is rotatably connected to the winding drum through a connecting shaft at the position close to the center of the side surface of the winding drum; a sealing cover is arranged on the side surface of the connecting ring, which is far away from the winding drum; a through hole is arranged at the center of the sealing cover on the connecting ring; the side surface of the fixing ring, which is far away from the winding drum, is provided with a sealing cover; the amplitude-variable speed reducer has high integration level and high energy transfer efficiency; the installation process is simple swift, and is low to operating personnel's requirement, is convenient for install, dismantles, overhaul, simple structure, convenient and practical.
Description
Technical Field
The utility model belongs to the technical field of tower crane becomes width of cloth field and specifically relates to a width of cloth decelerator.
Background
Tower cranes, also known as tower cranes, originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude changing, rotating and walking. The electric system comprises a motor, a controller, a power distribution cabinet, a connecting line, a signal and lighting device and the like.
Tower crane's luffing mechanism, it becomes the winding drum to pass through the reduction gear drive for the motor usually, becomes the width of cloth of luffing drum rotation realization jib loading boom, not only need guarantee motor and reduction gear when the installation, reduction gear and become the connection between the winding drum reliable and stable, loaded down with trivial details difficulty, transmission efficiency also can follow the motor to the reduction gear again become the winding drum and reduce step by step, finally influence tower crane's lifting capacity, consequently, need for a simple structure at present, install convenient and the efficient luffing decelerator of energy transfer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a become width of cloth decelerator for solve the problem mentioned in the above-mentioned background art.
In order to solve the problems, the utility model provides a variable amplitude speed reducer, which comprises a connecting ring, a fixed ring and a winding drum, wherein one end of the winding drum is rotatably arranged on the connecting ring, and the other end of the winding drum is rotatably arranged on the fixed ring; a speed reduction groove is formed in the connecting ring at the end part of the winding drum, and an inner gear ring is arranged on the inner wall of the speed reduction groove; a sun wheel is rotatably arranged at the center of the deceleration groove, and an input shaft is arranged at the center of the side surface of the sun wheel, which is far away from the winding drum; a planet wheel is also arranged between the sun wheel and the inner gear ring and is simultaneously meshed with the inner gear ring and the sun wheel; the planet wheel is rotatably connected to the winding drum through a connecting shaft at the position close to the center of the side surface of the winding drum; a sealing cover is detachably arranged on the side surface of the connecting ring, which is far away from the winding drum, and the sealing cover can seal the deceleration groove; a through hole is formed in the center of the sealing cover on the connecting ring, and the input shaft penetrates through the through hole; and the side surface of the fixing ring, which is far away from the winding drum, is also fixedly provided with a sealing cover.
Furthermore, the planet gears are uniformly distributed along the circumferential direction of the inner gear ring in a plurality.
Furthermore, a connecting plate is arranged on the connecting ring, a connecting plate is also arranged on the sealing cover, a bolt hole is formed in the connecting plate, and the connecting ring and the sealing cover can be fixedly connected through a bolt.
Furthermore, a plurality of connecting plates are uniformly distributed on the connecting ring along the circumferential direction of the connecting ring, and a plurality of connecting plates on the sealing cover are correspondingly arranged.
Furthermore, a support is arranged on the sealing cover.
Furthermore, the support is L-shaped, and a reinforcing rib is arranged on the side face of the support.
Furthermore, a protection rod is fixedly arranged between the connecting ring and the fixing ring.
Furthermore, the guard bar is provided with a plurality of along the circumference equipartition of go-between, the reel is located a plurality ofly between the guard bar.
The utility model has the advantages that: the amplitude-variable speed reducer improves the structure of the amplitude-variable winding drum, integrates the speed reducer with the amplitude-variable winding drum, and has high integration level and high energy transfer efficiency; the installation process is simple and quick, the requirement on operators is low, the installation, the disassembly and the maintenance are convenient, the structure is simple, and the operation is convenient and practical.
Drawings
Fig. 1 is an overall structural schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a luffing drum according to an embodiment of the present invention;
fig. 3 is a schematic view of a half-section structure of a variable amplitude winding drum according to an embodiment of the present invention.
In the figure: 1. sealing the cover; 11. a support; 12. reinforcing ribs; 13. a guard bar; 2. a winding drum; 21. a wire rope; 3. a connecting ring; 31. an inner gear ring; 32. a planet wheel; 33. a sun gear; 34. an input shaft; 35. a connecting plate; 36. a deceleration tank; 4. and (4) fixing the ring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the embodiment of the variable amplitude speed reducer of the present invention as shown in fig. 1 to fig. 3, the variable amplitude speed reducer comprises a connecting ring 3, a fixing ring 4 and a winding drum 2, one end of the winding drum 2 is rotatably mounted on the connecting ring 3, and the other end of the winding drum 2 is rotatably mounted on the fixing ring 4; a speed reduction groove 36 is formed in the connecting ring 3 at the end part of the winding drum 2, and an inner gear ring 31 is arranged on the inner wall of the speed reduction groove 36; a sun wheel 33 is rotatably arranged at the center of the deceleration groove 36, and an input shaft 34 is arranged at the center of the side surface of the sun wheel 33 far away from the winding drum; a planet wheel 32 is also arranged between the sun wheel 33 and the inner gear ring 31, and the planet wheel 32 is simultaneously meshed with the inner gear ring 31 and the sun wheel 33; the planet wheel 32 is rotatably connected to the winding drum 2 through a connecting shaft at the position close to the center of the side surface of the winding drum 2; the side surface of the connecting ring 3 far away from the winding drum 2 is detachably provided with a sealing cover 1, and the sealing cover 1 can block the deceleration groove 36; a through hole is arranged at the center of the seal cover 1 on the connecting ring 3, and the input shaft 34 passes through the through hole; the side of the fixing ring 4 remote from the mandrel 2 is also fixedly provided with a closure 1.
When the variable-amplitude speed reducer is used, only the output shaft of the motor needs to be fixedly connected with the input shaft 34 on the sun gear 33, the motor drives the sun gear 33 to rotate after being started, the sun gear 33 drives the planet gear 32 to rotate, the planet gear 32 can revolve around the inner gear 31 while rotating due to the fixed arrangement of the inner gear 31, and meanwhile, the planet gear 32 is rotatably connected with the drum 2 through a connecting shaft, namely the planet gear 32 can drive the drum 2 to rotate while revolving, so that the drum 2 is driven to rotate, and the variable-amplitude operation of the tower crane is realized; this application sets up ring gear 31 on the go-between 3 of reel 2, and the overall structure integrated level is high, and transmission efficiency is high, and installation, dismantlement process are simple easy to operate, and the practicality is strong.
In one embodiment of the present application, it is preferable that the planet gears 32 are uniformly distributed along the circumferential direction of the inner gear ring 31 in plurality; the transmission of motion is more stable.
In an embodiment of the present application, preferably, the connection ring 3 is provided with a connection plate 35, the seal cover 1 is also provided with a connection plate 35, the connection plate 35 is provided with a bolt hole, and the connection ring 3 and the seal cover 1 can be fixedly connected through a bolt; the mounting and dismounting between the sealing cover 1 and the connecting ring 3 are convenient.
In one embodiment of the present application, preferably, a plurality of connection plates 35 are uniformly distributed on the connection ring 3 along the circumferential direction of the connection ring 3, and a plurality of connection plates 35 are correspondingly arranged on the seal cover 1; the connection between the connecting ring 3 and the sealing cover 1 is reliable and stable.
In one embodiment of the present application, the cover 1 is preferably provided with a support 11; supporting the reel 2.
In one embodiment of the present application, it is preferable that the bracket 11 is disposed in an L shape, and the side surface of the bracket 11 is provided with a reinforcing rib 12; the strength of the bracket 11 is improved, so that the bracket can stably and reliably support the winding drum 2.
In one embodiment of the present application, it is preferable that a guard bar 13 is fixedly installed between the connection ring 3 and the fixing ring 4; the reel 2 is protected by the protection rod 13, and the reel 2 is prevented from being collided and damaged.
In one embodiment of the present application, it is preferable that the guard bars 13 are uniformly arranged in plurality along the circumference of the connection ring 3, and the winding drum 2 is located between the plurality of guard bars 13; further improve the protection effect to reel 2, do not influence simultaneously that the wire rope on reel 2 stretches out from between a plurality of fender rods 13 yet, make reel 2 can normally carry out the variable amplitude operation.
In an embodiment of the present application, preferably, both the connection ring 3 and the fixing ring 4 are provided with a support ring, and the winding drum 2 is rotatably mounted on the support ring, so that the connection ring 3 and the fixing ring 4 are ensured to support the winding drum, and the sun gear 33 and the planet gear 32 are prevented from bearing the gravity of the winding drum 2, so as to protect the transmission gear, thereby prolonging the service life of the present application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A amplitude-variable speed reducer is characterized in that: the winding drum comprises a connecting ring, a fixing ring and a winding drum, wherein one end of the winding drum is rotatably arranged on the connecting ring, and the other end of the winding drum is rotatably arranged on the fixing ring; a speed reduction groove is formed in the connecting ring at the end part of the winding drum, and an inner gear ring is arranged on the inner wall of the speed reduction groove; a sun wheel is rotatably arranged at the center of the deceleration groove, and an input shaft is arranged at the center of the side surface of the sun wheel, which is far away from the winding drum; a planet wheel is also arranged between the sun wheel and the inner gear ring and is simultaneously meshed with the inner gear ring and the sun wheel; the planet wheel is rotatably connected to the winding drum through a connecting shaft at the position close to the center of the side surface of the winding drum; a sealing cover is detachably arranged on the side surface of the connecting ring, which is far away from the winding drum, and the sealing cover can seal the deceleration groove; a through hole is formed in the center of the sealing cover on the connecting ring, and the input shaft penetrates through the through hole; and the side surface of the fixing ring, which is far away from the winding drum, is also fixedly provided with a sealing cover.
2. The luffing deceleration device of claim 1, wherein: the planet gears are uniformly distributed along the circumferential direction of the inner gear ring in a plurality.
3. The luffing deceleration device of claim 1, wherein: the connecting ring is provided with a connecting plate, the sealing cover is also provided with a connecting plate, the connecting plate is provided with a bolt hole, and the connecting ring and the sealing cover can be fixedly connected through a bolt.
4. The luffing deceleration device according to claim 3, wherein: the connecting plates on the connecting ring are uniformly distributed along the circumferential direction of the connecting ring, and the connecting plates on the sealing cover are correspondingly provided with a plurality of connecting plates.
5. The luffing deceleration device according to claim 1, wherein: the ground step of closing cap is provided with the support.
6. The luffing deceleration device of claim 5, wherein: the support is L-shaped, and the side of the support is provided with a reinforcing rib.
7. The luffing deceleration device according to claim 1, wherein: and a protective rod is fixedly arranged between the connecting ring and the fixing ring.
8. The luffing deceleration device of claim 7, wherein: the fender rod is followed the circumference equipartition of go-between is provided with a plurality ofly, the reel is located a plurality ofly between the fender rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221941238.0U CN217838202U (en) | 2022-07-26 | 2022-07-26 | Amplitude-variable speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221941238.0U CN217838202U (en) | 2022-07-26 | 2022-07-26 | Amplitude-variable speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217838202U true CN217838202U (en) | 2022-11-18 |
Family
ID=84039623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221941238.0U Active CN217838202U (en) | 2022-07-26 | 2022-07-26 | Amplitude-variable speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217838202U (en) |
-
2022
- 2022-07-26 CN CN202221941238.0U patent/CN217838202U/en active Active
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