CN220354444U - Rotary speed reducer for crane - Google Patents
Rotary speed reducer for crane Download PDFInfo
- Publication number
- CN220354444U CN220354444U CN202321066390.3U CN202321066390U CN220354444U CN 220354444 U CN220354444 U CN 220354444U CN 202321066390 U CN202321066390 U CN 202321066390U CN 220354444 U CN220354444 U CN 220354444U
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- main part
- fixedly connected
- worm
- speed reducer
- crane
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000009467 reduction Effects 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of speed reducers, in particular to a rotary speed reducer for a crane, which comprises a main body, wherein a square through hole is formed in the outer surface of the main body, a transmission speed reduction assembly is arranged in the main body and comprises a supporting plate, the supporting plate is fixedly connected with the outer surface of the main body, the upper surface of the supporting plate is fixedly connected with a motor, the outer surface of the main body is fixedly connected with a fixed plate, a worm is movably connected in the fixed plate, one end of the worm is fixedly connected with an output shaft of the motor, a first fixed column is fixedly connected in the main body, a worm wheel is movably connected in the outer surface of the first fixed column, a second fixed column is fixedly connected in the inner surface of the main body, a driven tooth is movably connected in the outer surface of the second fixed column, and one side of the driven tooth is movably connected with one side of the worm wheel. The utility model has good heat exchange performance and can rapidly dissipate heat.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a rotary speed reducer for a crane.
Background
The rotary speed reducer is a full-circle rotary speed reduction transmission mechanism integrated with a driving power source, adopts a rotary support (commonly called a turntable) as a speed reducer driven piece, can realize unlimited circumferential rotation and speed reduction, can bear larger axial force, radial force and overturning force, and has the advantages of high precision, compact structure and large bearing capacity.
The application range of the rotary speed reducer is wide, the body and the shadow of the rotary speed reducer can be seen on mechanical equipment with rotation requirements, the use of the rotary speed reducer in a crane is particularly wide, the heat dissipation effect of the rotary speed reducer for the crane is poor in the prior art, heat dissipation cannot be well carried out, and when the rotary speed reducer is used, the device is easy to damage due to heat dissipation, and the use of the device is affected.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a rotary speed reducer for a crane.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a rotation speed reducer for crane, includes the main part, square through-hole has been seted up to the surface of main part, circular through-hole has been seted up to the upper surface of main part, the internally mounted of main part has transmission reduction subassembly, transmission reduction subassembly includes the backup pad, the surface fixed connection of backup pad and main part, the upper surface fixedly connected with motor of backup pad, the surface fixedly connected with fixed plate of main part, the quantity of fixed plate is two, the inside swing joint of fixed plate has the worm, the lateral wall of fixed plate is passed to the outside to the one end of worm, the one end and the output shaft fixed connection of motor of worm, the inside fixedly connected with first fixed column of main part, the surface swing joint of first fixed column has the worm wheel, one side of worm wheel passes square through the through-hole and extends to the outside, one side and the surface swing joint of worm, the inside fixedly connected with second fixed column of main part, the surface swing joint of second fixed column has driven tooth, one side and one side swing joint of driven tooth.
As a further description of the above technical solution:
the upper surface fixedly connected with spliced pole of driven tooth, the spliced pole passes circular through-hole and extends to the outside, the upper surface fixedly connected with connecting rod of spliced pole.
As a further description of the above technical solution:
the upper surface of the main body is fixedly connected with a shaft shoulder, and the upper surface of the main body is provided with a first annular groove.
As a further description of the above technical solution:
the first annular groove is internally provided with first balls, and the number of the first balls is a plurality of balls.
As a further description of the above technical solution:
the outer surface of the shaft shoulder is provided with a revolving body, and the inner side wall of the revolving body is provided with a second annular groove.
As a further description of the above technical solution:
the second annular groove is internally provided with second balls, and the number of the second balls is a plurality of second balls.
As a further description of the above technical solution:
the inner top of the revolving body is provided with two connecting holes, and the connecting holes are movably connected with one end of the connecting rod.
The utility model has the following beneficial effects:
1. compared with the prior art, this rotation speed reducer for crane, through worm, worm wheel and driven tooth, when the worm is rotatory, it is rotatory to drive the worm wheel, make driven tooth follow rotatory, can play the deceleration effect, worm wheel and worm's heat transfer performance is good simultaneously, can play fine heat dissipation effect, compared with current prior art, can not dispel the heat fast when using, lead to the life of device to shorten, and be difficult for the installation maintenance, this rotation speed reducer for crane has good radiating effect, install and maintain conveniently simultaneously, the life of extension device.
Compared with the prior art, the rotary speed reducer for the crane has the advantages that through the first ball and the second ball, when the revolving body is in revolving operation, the first ball converts friction between the revolving body and the main body into rolling friction, the second ball converts friction between the revolving body and the shaft shoulder into rolling friction, the device can be more conveniently used by reducing friction force of the revolving body, compared with the prior art, when the rotary speed reducer is used, friction force can increase abrasion of the device, the use of the device is not facilitated, the rotary speed reducer for the crane can reduce friction force, so that abrasion of the device is reduced, and service life of the device is prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a rotary speed reducer for a crane;
fig. 2 is a diagram showing the whole structure of the lower half part of the rotary speed reducer for crane;
FIG. 3 is a cross-sectional view of the whole structure of the rotary speed reducer for the crane;
fig. 4 is a sectional view of the upper half of the rotary speed reducer for crane according to the present utility model.
Legend description:
1. a main body; 101. square through holes; 102. a circular through hole; 2. a transmission reduction assembly; 201. a support plate; 202. a motor; 203. a fixing plate; 204. a worm; 205. a first fixing column; 206. a worm wheel; 207. a second fixing column; 208. driven teeth; 301. a connecting column; 302. a connecting rod; 401. a shaft shoulder; 402. a first annular groove; 403. a first ball; 501. a revolving body; 502. a second annular groove; 503. a second ball; 504. and a connection hole.
Detailed Description
Referring to fig. 1 to 4, the utility model provides a revolving speed reducer for crane: comprises a main body 1, wherein a square through hole 101 is formed on the outer surface of the main body 1, a worm wheel 206 and a worm 204 are mutually connected through the square through hole 101 so as to drive, a round through hole 102 is formed on the upper surface of the main body 1, a connecting column 301 can penetrate through the main body 1 to be connected with a revolving body 501 through the round through hole 102, a transmission speed reduction assembly 2 is arranged in the main body 1, transmission can be provided for a device through the transmission speed reduction assembly 2, the device can carry out revolving operation and the device can be decelerated to protect the device during revolving, the transmission speed reduction assembly 2 comprises a supporting plate 201, the supporting plate 201 is fixedly connected with the outer surface of the main body 1, a motor 202 is provided for supporting a motor 202 through the supporting plate 201, the motor 202 is fixedly connected with the upper surface of the supporting plate 201 to provide power for the device so as to enable the worm 204 to rotate, the outer surface of the main body 1 is fixedly connected with a fixing plate 203, the number of the fixing plate 203 is two, the inside swing joint of fixed plate 203 has worm 204, the one end of worm 204 passes the lateral wall of fixed plate 203 and extends to the outside, the one end of worm 204 and the output shaft fixed connection of motor 202, can make worm 204 drive worm wheel 206 and rotate through the rotation of worm 204, the inside fixedly connected with first fixed column 205 of main part 1, the surface swing joint of first fixed column 205 has worm wheel 206, one side of worm wheel 206 passes square through hole 101 and extends to the outside, one side of worm wheel 206 and the surface swing joint of worm 204, make it slow down through worm wheel 206 and worm 204 when the transmission, avoid causing the damage of device because of the too fast speed when making the device, the inside fixedly connected with second fixed column 207 of main part 1, the surface swing joint of second fixed column 207 has driven tooth 208, one side of driven tooth 208 and one side swing joint of worm wheel 206, the number of teeth of the driven teeth 208 is larger than the number of teeth of the worm wheel 206, and further deceleration is performed while driving, and the coupling post 301 and thus the rotator 501 can be rotated by the driven teeth 208.
The upper surface fixedly connected with spliced pole 301 of driven tooth 208, spliced pole 301 passes circular through-hole 102 and extends to the outside, the upper surface fixedly connected with connecting rod 302 of spliced pole 301, through the rotation of spliced pole 301, the rotation of solid of revolution 501 can drive, the upper surface fixedly connected with shoulder 401 of main part 1, the position of solid of revolution 501 can be restricted through shoulder 401, first ring channel 402 has been seted up to the upper surface of main part 1, the inside of first ring channel 402 is provided with first ball 403, the quantity of first ball 403 is a plurality of, can change the friction of solid of revolution 501 and main part 1 into rolling friction through first ball 403, thereby reduce frictional force, the solid of revolution 501 is installed to the surface of shoulder 401, can make the device gyration through solid of revolution 501, thereby carry out the application, the inside wall of solid of revolution 501 has been seted up second ring channel 502, the inside of second ring channel 502 is provided with second ball 503, the quantity of second ball 503 is a plurality of second ball 503, can change the friction of solid of revolution 501 and shoulder 401 into rolling friction, thereby reduce the frictional force, the inside top of solid of revolution 504 is equipped with the connecting hole 504, the connecting rod 504 is connected with the connecting rod 302 when connecting rod 302 can be rotated through two, the connecting rod 302, when connecting rod is connected to the movable connection hole is made.
Working principle: when the rotary device is used, the motor is started to drive the worm to rotate, the worm wheel is driven to rotate through the worm, the driven teeth are rotated through the worm wheel, when the driven teeth rotate, the connecting columns on the upper surfaces of the driven teeth are driven to rotate, the rotary body is enabled to rotate through the connecting columns and the connecting rods, friction force can be reduced when the rotary body is enabled to rotate through the first balls and the second balls, and the service life of the rotary device is prolonged.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a crane is with gyration speed reducer, includes main part (1), its characterized in that: the utility model discloses a worm gear, including main part (1) and driven fixed post (207), square through-hole (101) have been seted up to the surface of main part (1), circular through-hole (102) have been seted up to the upper surface of main part (1), the internally mounted of main part (1) has transmission reduction subassembly (2), transmission reduction subassembly (2) are including backup pad (201), the surface fixed connection of backup pad (201) and main part (1), the upper surface fixedly connected with motor (202) of backup pad (201), the surface fixedly connected with fixed plate (203) of main part (1), the quantity of fixed plate (203) is two, the inside swing joint of fixed plate (203) has worm (204), the lateral wall that one end of worm (204) passed fixed plate (203) extends to the outside, the one end of worm (204) and the output shaft fixed connection of motor (202), the inside fixed connection of main part (1) has first fixed post (205), the surface swing joint of first fixed post (205) has motor (206), one side of 206) passes square through-hole (101) and extends to worm wheel (206), the inside fixed surface (207) of main part (204) has the inside swing joint of driven fixed post (207), one side of the driven tooth (208) is movably connected with one side of the worm wheel (206).
2. The slewing reducer for crane according to claim 1, characterized in that: the upper surface fixedly connected with spliced pole (301) of driven tooth (208), spliced pole (301) pass circular through-hole (102) and extend to the outside, the upper surface fixedly connected with connecting rod (302) of spliced pole (301).
3. The slewing reducer for crane according to claim 1, characterized in that: the upper surface of main part (1) is fixedly connected with shoulder (401), first ring channel (402) has been seted up to the upper surface of main part (1).
4. The slewing reducer for crane according to claim 3, characterized in that: the first annular groove (402) is internally provided with first balls (403), and the number of the first balls (403) is a plurality.
5. The slewing reducer for crane according to claim 3, characterized in that: the outer surface of the shaft shoulder (401) is provided with a revolving body (501), and the inner side wall of the revolving body (501) is provided with a second annular groove (502).
6. The rotary speed reducer for crane according to claim 5, wherein: the second annular groove (502) is internally provided with second balls (503), and the number of the second balls (503) is a plurality.
7. The rotary speed reducer for crane according to claim 5, wherein: the inner top of the revolving body (501) is provided with two connecting holes (504), and the connecting holes (504) are movably connected with one end of the connecting rod (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066390.3U CN220354444U (en) | 2023-11-09 | 2023-11-09 | Rotary speed reducer for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066390.3U CN220354444U (en) | 2023-11-09 | 2023-11-09 | Rotary speed reducer for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354444U true CN220354444U (en) | 2024-01-16 |
Family
ID=89504181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066390.3U Active CN220354444U (en) | 2023-11-09 | 2023-11-09 | Rotary speed reducer for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354444U (en) |
-
2023
- 2023-11-09 CN CN202321066390.3U patent/CN220354444U/en active Active
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