CN217297102U - Electric chain hoist - Google Patents
Electric chain hoist Download PDFInfo
- Publication number
- CN217297102U CN217297102U CN202220976526.3U CN202220976526U CN217297102U CN 217297102 U CN217297102 U CN 217297102U CN 202220976526 U CN202220976526 U CN 202220976526U CN 217297102 U CN217297102 U CN 217297102U
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- Prior art keywords
- chain
- transmission sleeve
- reduction gear
- gear set
- sprocket
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Abstract
The utility model discloses a chain electric block, including sprocket carrier, sprocket and calabash motor, the sprocket passes through the rotatable sprocket carrier of locating of sprocket shaft in, its characterized in that: the chain wheel shaft and the output shaft of the hoist motor are transmitted through the reduction gear set, the input shaft of the reduction gear set and the output shaft of the hoist motor are coaxially arranged and are connected through the bearing control clutch, the bearing control clutch comprises a transmission sleeve, a clutch disc and a pressing disc, the clutch disc and the pressing disc are arranged in the inner cavity of the transmission sleeve, the transmission sleeve is fixedly connected with the input shaft of the reduction gear set, the clutch disc can be axially and movably arranged on the output shaft of the hoist motor, the pressing disc can be axially and movably arranged on the input shaft of the reduction gear set, a spring pushes the pressing disc and the clutch disc to be close to each other, the inner side end face of the clutch disc is provided with an inner friction plate contact transmission sleeve, and the outer side end face of the clutch disc is provided with an outer friction plate contact pressing disc. The utility model relates to a rationally, compact structure can better protect the safety in utilization of chain electric block.
Description
Technical Field
The utility model relates to an improved invention of a chain electric hoist.
Background
The electric hoist has two types of steel wire rope electric hoists and loop chain electric hoists, and the basic structure of the loop chain electric hoist is as follows: including sprocket frame, sprocket and calabash motor, the sprocket passes through the rotatable sprocket frame of locating of sprocket shaft in, is driven by the calabash motor, winds on the sprocket and establishes the chain link chain, and the promotion through chain link chain stimulates the heavy object and promotes. The electric chain hoist in the prior art has various structural forms, generally does not have the load-limiting safety control function of the hoisting weight, but needs to realize the function, and the structure is often complicated and not compact.
Disclosure of Invention
The utility model aims to provide a not enough to prior art exists, the utility model aims at providing a reasonable in design, compact structure can better protect the ring chain electric block of safety in utilization.
The utility model discloses a through following technical scheme implement:
electric chain hoist, including sprocket carrier, sprocket and calabash motor, the sprocket passes through the rotatable sprocket carrier of locating of sprocket shaft in, winds on the sprocket and establishes chain, its characterized in that: the chain wheel shaft and the output shaft of the hoist motor are transmitted through the reduction gear set, the input shaft of the reduction gear set and the output shaft of the hoist motor are coaxially arranged and are connected through the bearing control clutch, the bearing control clutch comprises a transmission sleeve, a clutch disc and a pressing disc, the clutch disc and the pressing disc are arranged in the inner cavity of the transmission sleeve, the transmission sleeve is fixedly connected with the input shaft of the reduction gear set, the clutch disc can be axially and movably arranged on the output shaft of the hoist motor, the pressing disc can be axially and movably arranged on the input shaft of the reduction gear set, a spring pushes the pressing disc and the clutch disc to be close to each other, the inner side end face of the clutch disc is provided with an inner friction plate contact transmission sleeve, and the outer side end face of the clutch disc is provided with an outer friction plate contact pressing disc.
The hoist motor is arranged in the rear side direction of the chain wheel, the reduction gear set is arranged in the left side direction of the chain wheel, and the mounting rack of the hoist motor and the mounting rack of the reduction gear set are respectively fixed on the chain wheel frame; the transmission sleeve comprises a left half part and a right half part which are fixedly connected through a bolt, the excircle of the left half part of the transmission sleeve rotates and supports by the inner hole bearing arranged on the reducing gear set mounting frame, and the excircle of the right half part of the transmission sleeve rotates and supports by the inner hole bearing arranged on the hoist motor mounting frame.
According to the ring chain electric hoist in the technical scheme, the hoist motor, the reduction gear set and the chain wheel are reasonably arranged, the bearing control clutch is arranged between the input shaft of the reduction gear set and the output shaft of the hoist motor, the bearing control clutch is simple in structure, and the load-limiting safety control function of the hoisting weight is realized through the bearing control clutch, so that the utility model is reasonable in design and compact in structure, and the use safety can be better protected; the utility model discloses the during operation, the calabash motor drives the sprocket through reduction gear's speed reduction and rotates, makes the chain promote and then stimulates the heavy object to promote, and when the heavy object was overweight, the clutch disc who bears control clutch, produce between pressing tightly dish and the transmission sleeve and skid, can make and break away from the transmission relation between calabash motor and the reduction gear, makes the calabash motor no longer drive chain and promote the heavy object.
Preferably, the electric chain hoist further comprises a chain box for storing the chain, and the chain box is externally arranged and connected to the bottom of the chain wheel frame. The design can prevent the chain of the chain electric hoist from being scattered and stored when the chain electric hoist is not used.
Drawings
The utility model discloses there is following figure:
figure 1 is the outline structure diagram of the utility model,
figure 2 is a left side view of figure 1,
fig. 3 is a view a-a of fig. 2.
Detailed Description
The details and the working principle of the embodiments of the present invention are described in detail below with reference to the accompanying drawings:
as shown in the figures, the utility model discloses a chain electric hoist, including sprocket frame 4, sprocket 1, hoist motor 8 and chain box 16, chain box 16 is used for storing chain 2, chain box 16 is external to be set up and connects in sprocket frame 4's bottom, sprocket 1 is rotatable to be located in sprocket frame 4 through sprocket shaft 3, around setting chain 2 on sprocket 1, drive through reduction gear group 5 between sprocket shaft 3 and the output shaft 81 of hoist motor, hoist motor 8 lays in the rear side direction of sprocket 1, reduction gear group 5 lays in the left side direction of sprocket 1, mounting bracket 9 of hoist motor, reduction gear group's mounting bracket 6 are fixed respectively on sprocket frame 4; the input shaft 7 of the reduction gear set is coaxially arranged with the output shaft 81 of the hoist motor and is connected with the output shaft 81 of the hoist motor through a bearing control clutch, the bearing control clutch comprises a transmission sleeve 13, a clutch disc 14 and a pressing disc 12, the clutch disc 14 and the pressing disc 12 are arranged in the inner cavity of the transmission sleeve, the transmission sleeve 13 is formed by fixedly connecting a left half part and a right half part through bolts, the excircle of the transmission sleeve of the left half part is rotatably supported by an inner hole bearing 11 arranged on a mounting rack 6 of the reduction gear set, the excircle of the transmission sleeve of the right half part is rotatably supported by an inner hole bearing 15 arranged on a mounting rack 9 of the hoist motor, the transmission sleeve 13 is fixedly connected with the input shaft 7 of the reduction gear set, the clutch disc 14 can be axially movably arranged on the output shaft 81 of the hoist motor, the pressing disc 12 can be axially movably arranged on the input shaft 7 of the reduction gear set, a spring 10 pushes the pressing disc 12 and the clutch disc 14 to be close to each other, the inner side surface of the clutch disc 14 is provided with an inner friction plate contact transmission sleeve 13, the outer side end face of the clutch disc 14 is provided with an outer friction plate contact pressing disc 12.
Foretell chain electric block, reasonable in design, moreover, the steam generator is simple and compact in structure, in operation, the output shaft of calabash motor at first drives reduction gear set's input shaft through the rotation that bears the weight of control clutch and rotates in step, rethread reduction gear set's speed reduction drives the sprocket and rotates, the sprocket rotates and makes the chain of loop lift and then the pulling heavy object promotes, when the heavy object is overweight, the last inside and outside friction disc of clutch disc is not enough to continue to rub and drive the driving sleeve and carry out corresponding rotation, then the spring is compressed, the clutch disc, produce between driving sleeve and the pressure disk and skid, break away from the transmission relation between calabash motor and the reduction gear set, the chain of loop lift heavy object is no longer driven to the calabash motor, and then reach the security of chain electric block protection use.
Claims (3)
1. Electric chain hoist, including sprocket carrier, sprocket and calabash motor, the sprocket passes through the rotatable sprocket carrier of locating of sprocket shaft in, winds on the sprocket and establishes chain, its characterized in that: the chain wheel shaft and the output shaft of the hoist motor are driven through a reduction gear set, the input shaft of the reduction gear set is coaxially arranged with the output shaft of the hoist motor and is connected with the output shaft of the hoist motor through a bearing control clutch, the bearing control clutch comprises a transmission sleeve, a clutch disc and a pressing disc, the clutch disc and the pressing disc are arranged in an inner cavity of the transmission sleeve, the transmission sleeve is fixedly connected with the input shaft of the reduction gear set, the clutch disc can be axially and movably arranged on the output shaft of the hoist motor, the pressing disc can be axially and movably arranged on the input shaft of the reduction gear set, a spring pushes the pressing disc and the clutch disc to be close to each other, an inner friction plate contact transmission sleeve is arranged on the inner side end face of the clutch disc, and an outer friction plate contact pressing disc is arranged on the outer side end face of the clutch disc.
2. The electric chain hoist as claimed in claim 1, characterized in that: the hoist motor is arranged in the rear side direction of the chain wheel, the reduction gear set is arranged in the left side direction of the chain wheel, and the mounting rack of the hoist motor and the mounting rack of the reduction gear set are respectively fixed on the chain wheel frame; the transmission sleeve comprises a left transmission sleeve and a right transmission sleeve which are fixedly connected through a bolt, the excircle of the left transmission sleeve is rotatably supported by an inner hole bearing arranged on a speed reduction gear set mounting frame, and the excircle of the right transmission sleeve is rotatably supported by an inner hole bearing arranged on a hoist motor mounting frame.
3. The electric hoist of claim 1, further comprising: the chain electric hoist also comprises a chain box for storing the chain of the chain, and the chain box is externally arranged and connected to the bottom of the chain wheel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220976526.3U CN217297102U (en) | 2022-04-26 | 2022-04-26 | Electric chain hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220976526.3U CN217297102U (en) | 2022-04-26 | 2022-04-26 | Electric chain hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217297102U true CN217297102U (en) | 2022-08-26 |
Family
ID=82914919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220976526.3U Active CN217297102U (en) | 2022-04-26 | 2022-04-26 | Electric chain hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217297102U (en) |
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2022
- 2022-04-26 CN CN202220976526.3U patent/CN217297102U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.8 YuMeng Road, Ruian Economic Development Zone, Wenzhou, Zhejiang 325200 Patentee after: Bada Electromechanical Co.,Ltd. Address before: No.8 YuMeng Road, Ruian Economic Development Zone, Wenzhou, Zhejiang 325200 Patentee before: BADA MECHANICAL & ELECTRICAL Co.,Ltd. |