CN213895051U - Chain lifting device - Google Patents
Chain lifting device Download PDFInfo
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- CN213895051U CN213895051U CN202023037708.4U CN202023037708U CN213895051U CN 213895051 U CN213895051 U CN 213895051U CN 202023037708 U CN202023037708 U CN 202023037708U CN 213895051 U CN213895051 U CN 213895051U
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Abstract
The utility model discloses a chain lifting device, which comprises a frame, the upper end of frame is provided with the entablature, rotate on the entablature and install the driving shaft, the both ends of driving shaft are fixed with first drive sprocket and second drive sprocket respectively, the driving shaft is driven by power device, the lower extreme of frame rotates respectively and installs first driven shaft and second driven shaft, be fixed with first driven sprocket and second driven sprocket on first driven shaft and the second driven shaft respectively, be provided with first promotion chain between first drive sprocket and the first driven sprocket, be provided with second promotion chain between second drive sprocket and the second driven sprocket, first promotion chain and second promote the promotion piece of installing convenient promotion article between the chain, this chain lifting device can improve the force stability of chain, and the cost is reduced, be fit for the promotion occasion of width broad.
Description
Technical Field
The utility model relates to a chain hoisting device for lift goods in vertical direction.
Background
The lifting machine is as a lifting means commonly used, and the chain hoisting device commonly used in China at present is mostly the rectilinear, and chain hoisting device conveniently promotes and carries the thing, and portal frame width and height can be according to actual conditions and decide, tensioning chain under power device's drive to play and promote the effect of carrying the thing. The chain lifting device is widely applied, and has different structures according to different requirements of different industries.
However, the existing chain lifting device generally has a disadvantage that when the width of the gantry frame is wide, the stress of each part of the chain lifting device is not stable enough, and the overall cost is also increased because the width of the gantry frame is wide.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the chain lifting device can improve the stress stability of a chain, reduce the cost and be suitable for lifting occasions with wider frame widths.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a chain hoisting device, which comprises a frame, the upper end of frame is provided with the entablature, the driving shaft is installed in the rotation on the entablature, the both ends of driving shaft are fixed with first drive sprocket and second drive sprocket respectively, the driving shaft is driven by power device, the lower extreme of frame rotates respectively and installs first driven shaft and second driven shaft, be fixed with first driven sprocket and second driven sprocket on first driven shaft and the second driven shaft respectively, be provided with first promotion chain between first drive sprocket and the first driven sprocket, be provided with second promotion chain between second drive sprocket and the second driven sprocket, install the promotion piece that conveniently promotes article between first promotion chain and the second promotion chain.
As a preferred scheme, the rack comprises a left longitudinal beam, a right longitudinal beam and the upper cross beam, the upper cross beam is installed between the left longitudinal beam and the right longitudinal beam, a left fixing bottom plate and a right fixing bottom plate are respectively arranged at the bottoms of the left longitudinal beam and the right longitudinal beam, and the first driven shaft and the second driven shaft are respectively rotatably installed on the left fixing bottom plate and the right fixing bottom plate.
As a preferred scheme, the left longitudinal beam and the right longitudinal beam are channel steel, the first driven shaft and the second driven shaft are mounted in the same mode, a first left bearing seat and a second left bearing seat are arranged on the two sides of the left longitudinal beam on the left fixing bottom plate, a left through hole is formed in the left longitudinal beam, the first driven shaft penetrates through the left through hole and is mounted between the first left bearing seat and the second left bearing seat through a bearing, and the first driven sprocket is fixed on the first driven shaft and is located in a groove of the left longitudinal beam.
As a preferred scheme, the power device comprises a motor and a speed reducer, the speed reducer is fixed in the middle of the upper cross beam, the driving shaft penetrates through the speed reducer and serves as a low-speed shaft of the speed reducer, and an output shaft of the speed reducer is in transmission connection with an input shaft of the motor.
As a preferred scheme, the two ends of the upper cross beam are fixed with a left upper bearing seat and a right upper bearing seat, the two ends of the driving shaft are rotatably installed on the left upper bearing seat and the right upper bearing seat through bearings, a first driving chain wheel and a second driving chain wheel are respectively fixed on the driving shaft and are positioned in grooves of the left longitudinal beam and the right longitudinal beam, and the two ends of the upper cross beam are provided with avoidance notches which enable the chain to pass through conveniently.
As a preferred scheme, the upper cross beam is also a channel steel, and two ends of the upper cross beam are inserted into the grooves of the left longitudinal beam and the right longitudinal beam and are welded and fixed.
Preferably, the lifting member is a lifting bucket or a lifting trolley, and two sides of the lifting member are respectively connected with the first lifting chain and the second lifting chain through two connecting shafts, and the connecting shafts are used as one chain shaft of the chains.
After the technical scheme is adopted, the utility model discloses an effect is: because the chain lifting device comprises a frame, an upper beam is arranged at the upper end of the frame, a driving shaft is rotatably arranged on the upper beam, a first driving chain wheel and a second driving chain wheel are respectively fixed at the two ends of the driving shaft, the driving shaft is driven by a power device, a first driven shaft and a second driven shaft are respectively rotatably arranged at the lower end of the frame, a first driven chain wheel and a second driven chain wheel are respectively fixed on the first driven shaft and the second driven shaft, a first lifting chain is arranged between the first driving chain wheel and the first driven chain wheel, a second lifting chain is arranged between the second driving chain wheel and the second driven chain wheel, and a lifting piece which is convenient for lifting objects is arranged between the first lifting chain and the second lifting chain, the lower end of the frame of the chain lifting device is respectively provided with a first driven shaft and a second driven shaft, thus, even if the width of the frame is wider, because the first driven shaft and the second driven shaft are of a split structure, the stress of two driven shafts is more stable, so that the first lifting chain and the second lifting chain can be stably operated, and the cost of the whole chain lifting device is lower.
And because the left longitudinal beam and the right longitudinal beam are made of channel steel, the first driven shaft and the second driven shaft are mounted in the same mode, a first left bearing seat and a second left bearing seat are arranged on two sides of the left longitudinal beam on the left fixing bottom plate, a left through hole is formed in the left longitudinal beam, the first driven shaft penetrates through the left through hole and is mounted between the first left bearing seat and the second left bearing seat through a bearing, and the first driven sprocket is fixed on the first driven shaft and is located in a groove of the left longitudinal beam.
And because the power device comprises the motor and the speed reducer, the speed reducer is fixed in the middle of the upper cross beam, the driving shaft penetrates through the speed reducer and serves as a low-speed shaft of the speed reducer, the output shaft of the speed reducer is in transmission connection with the input shaft of the motor, and the driving shaft penetrates through the speed reducer and serves as the low-speed shaft, the speed reducer can drive the driving shaft better, and the stress at two ends of the driving shaft is more balanced.
And because the two ends of the upper cross beam are fixed with the left upper bearing seat and the right upper bearing seat, the two ends of the driving shaft are rotatably arranged on the left upper bearing seat and the right upper bearing seat through bearings, the first driving chain wheel and the second driving chain wheel are respectively fixed on the driving shaft and positioned in the grooves of the left longitudinal beam and the right longitudinal beam, and the two ends of the upper cross beam are provided with avoidance notches which facilitate the chain to pass through, so that the upper cross beam is very convenient to fix and avoid the chain, the chain and the two driving chain wheels are convenient to install, and the strength of the whole frame is higher.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the present invention;
in the drawings: 1. an upper cross beam; 2. a left stringer; 3. a right stringer; 4. a drive shaft; 5. a first drive sprocket; 6. a power plant; 61. a motor; 62. a speed reducer; 7. a first driven shaft; 8. a second driven shaft; 9. a first driven sprocket; 10. a first lifting chain; 11. a left fixed baseplate; 12. a right fixed baseplate; 13. a first left bearing seat; 14. a second left bearing seat; 15. a left upper bearing block; 16. and a right upper bearing seat.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
As shown in fig. 1-2, a chain lifting device, comprises a frame, an upper beam 1 is arranged at the upper end of the frame, a driving shaft 4 is rotatably mounted on the upper beam 1, a first driving sprocket 5 and a second driving sprocket are respectively fixed at two ends of the driving shaft 4, the driving shaft 4 is driven by a power device 6, a first driven shaft 7 and a second driven shaft 8 are respectively rotatably mounted at the lower end of the frame, a first driven sprocket 9 and a second driven sprocket are respectively fixed on the first driven shaft 7 and the second driven shaft 8, a first lifting chain 10 is arranged between the first driving sprocket 5 and the first driven sprocket 9, a second lifting chain is arranged between the second driving sprocket and the second driven sprocket, and a lifting piece which is convenient for lifting articles is mounted between the first lifting chain 10 and the second lifting chain.
In the embodiment, the frame comprises a left longitudinal beam 2, a right longitudinal beam 3 and the upper cross beam 1, the upper cross beam 1 is arranged between the left longitudinal beam 2 and the right longitudinal beam 3, the bottoms of the left longitudinal beam 2 and the right longitudinal beam 3 are respectively provided with a left fixed bottom plate 11 and a right fixed bottom plate 12, a first driven shaft 7 and a second driven shaft 8 are respectively rotatably arranged on the left fixed bottom plate 11 and the right fixed bottom plate 12, the left longitudinal beam 2 and the right longitudinal beam 3 are channel steel, the first driven shaft 7 and the second driven shaft 8 are arranged in the same way, a first left bearing seat 13 and a second left bearing seat 14 are arranged on the left fixed bottom plate 11 and positioned on two sides of the left longitudinal beam 2, a left through hole is arranged on the left longitudinal beam 2, the first driven shaft 7 penetrates through the left through hole and is arranged between the first left bearing seat 13 and the second left bearing seat 14 through a bearing, a first driven sprocket 9 is fixed on the first driven shaft 7 and positioned in the groove of the left longitudinal beam 2, the two sides of the right longitudinal beam 3 on the right fixing bottom plate 12 are provided with a first right bearing seat and a second right bearing seat, a right through hole is formed in the right longitudinal beam 3, a second driven shaft 8 penetrates through the right through hole and is installed between the first right bearing seat and the second right bearing seat through a bearing, a second driven sprocket is fixed on the second driven shaft 8 and is located in a groove of the right longitudinal beam 3, a left upper bearing seat 15 and a right upper bearing seat 16 are fixed at two ends of the upper cross beam 1, two ends of the driving shaft 4 are installed on the left upper bearing seat 15 and the right upper bearing seat 16 through bearings in a rotating mode, a first driving sprocket 5 and a second driving sprocket are fixed on the driving shaft 4 respectively and are located in grooves of the left longitudinal beam 2 and the right longitudinal beam 3, avoidance notches which enable a chain to pass through are formed in two ends of the upper cross beam 1, the upper cross beam 1 is also a channel steel, and two ends of the upper cross beam 1 are inserted into the grooves of the left longitudinal beam 2 and the right longitudinal beam 3 and are fixed in a welding mode.
In this embodiment, the power device 6 includes a motor 61 and a speed reducer 62, the speed reducer 62 is fixed in the middle of the upper beam 1, the driving shaft 4 penetrates through the speed reducer 62 and serves as a low-speed shaft of the speed reducer 62, an output shaft of the speed reducer 62 is in transmission connection with an input shaft of the motor 61, the lifting member is a lifting bucket or a lifting trolley, two sides of the lifting member are respectively connected with the first lifting chain 10 and the second lifting chain through two connecting shafts, and the connecting shafts serve as one of chain shafts of the chains.
During the use, this chain hoisting device's frame lower extreme has set up first driven shaft 7 and second driven shaft 8 respectively, and the atress of two driven shafts is more stable, even the width of frame is than wider, also can guarantee that first promotion chain 10 and second promote the chain operation stable, whole chain hoisting device simple structure, convenient to use, manufacturing cost is also lower, is particularly useful for the wider occasion of frame width.
The motor 61 and the chain wheel and chain mechanism mentioned in the embodiment are conventional technologies at present, specific structures and principles of the cylinder, the motor 61 and other transmission mechanisms and other designs are disclosed in detail in a fifth version of a mechanical design manual printed for twenty-eight times in Beijing fifth version 4.2008, belong to the prior art, and the structures are clear, and the control and the travel switch of the motor 61 are also described in detail in a book of driving and speed regulation of the motor 61 published by a chemical industry publisher in 07.01.2015.01.3, so that the circuit connection is clear.
The above-mentioned embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and all modifications and changes made by the technical solution of the present invention should fall within the protection scope defined by the claims of the present invention on the basis of not departing from the spirit of the present invention.
Claims (7)
1. A chain hoisting device, includes the frame, its characterized in that: the upper end of frame is provided with the entablature, rotate on the entablature and install the driving shaft, the both ends of driving shaft are fixed with first drive sprocket and second drive sprocket respectively, the driving shaft is driven by power device, the lower extreme of frame rotates respectively and installs first driven shaft and second driven shaft, be fixed with first driven sprocket and second driven sprocket on first driven shaft and the second driven shaft respectively, be provided with first promotion chain between first drive sprocket and the first driven sprocket, be provided with the second between second drive sprocket and the second driven sprocket and promote the chain, install the hoisting piece that conveniently promotes article between first promotion chain and the second promotion chain.
2. A chain hoist as claimed in claim 1, characterized in that: the frame comprises a left longitudinal beam, a right longitudinal beam and an upper cross beam, the upper cross beam is arranged between the left longitudinal beam and the right longitudinal beam, a left fixing bottom plate and a right fixing bottom plate are respectively arranged at the bottoms of the left longitudinal beam and the right longitudinal beam, and a first driven shaft and a second driven shaft are respectively rotatably arranged on the left fixing bottom plate and the right fixing bottom plate.
3. A chain hoist as claimed in claim 2, characterized in that: the left longitudinal beam and the right longitudinal beam are channel steel, the first driven shaft and the second driven shaft are mounted in the same mode, a first left bearing seat and a second left bearing seat are arranged on two sides of the left longitudinal beam on the left fixing bottom plate, a left through hole is formed in the left longitudinal beam, the first driven shaft penetrates through the left through hole and is mounted between the first left bearing seat and the second left bearing seat through a bearing, and the first driven sprocket is fixed on the first driven shaft and is located in a groove of the left longitudinal beam.
4. A chain hoist according to claim 3, characterized in that: the power device comprises a motor and a speed reducer, the speed reducer is fixed in the middle of the upper cross beam, the driving shaft penetrates through the speed reducer and serves as a low-speed shaft of the speed reducer, and an output shaft of the speed reducer is in transmission connection with an input shaft of the motor.
5. A chain hoist according to claim 4, characterized in that: the two ends of the upper cross beam are fixedly provided with a left upper bearing seat and a right upper bearing seat, the two ends of the driving shaft are rotatably arranged on the left upper bearing seat and the right upper bearing seat through bearings, the first driving chain wheel and the second driving chain wheel are respectively fixed on the driving shaft and are positioned in grooves of the left longitudinal beam and the right longitudinal beam, and the two ends of the upper cross beam are provided with avoidance notches which facilitate the chain to pass through.
6. A chain hoist according to claim 5, characterized in that: the upper cross beam is also a channel steel, and two ends of the upper cross beam are inserted into the grooves of the left longitudinal beam and the right longitudinal beam and are welded and fixed.
7. A chain hoist according to claim 6, characterized in that: the lifting piece is a lifting bucket or a lifting trolley, two sides of the lifting piece are respectively connected with the first lifting chain and the second lifting chain through two connecting shafts, and the connecting shafts are used as one chain shaft of the chains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037708.4U CN213895051U (en) | 2020-12-16 | 2020-12-16 | Chain lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037708.4U CN213895051U (en) | 2020-12-16 | 2020-12-16 | Chain lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213895051U true CN213895051U (en) | 2021-08-06 |
Family
ID=77104283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023037708.4U Active CN213895051U (en) | 2020-12-16 | 2020-12-16 | Chain lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213895051U (en) |
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2020
- 2020-12-16 CN CN202023037708.4U patent/CN213895051U/en active Active
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