CN212672340U - Chain tensioning device for mechanical garage - Google Patents
Chain tensioning device for mechanical garage Download PDFInfo
- Publication number
- CN212672340U CN212672340U CN202021243880.2U CN202021243880U CN212672340U CN 212672340 U CN212672340 U CN 212672340U CN 202021243880 U CN202021243880 U CN 202021243880U CN 212672340 U CN212672340 U CN 212672340U
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- chain
- top frame
- adjusting rod
- frame
- handed screw
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Abstract
The utility model discloses a chain tensioning device for a mechanical garage, which comprises a bottom frame and a top frame, wherein one end of the top frame is hinged with the bottom frame, and the other end of the top frame is connected with the bottom frame through an adjusting device; two groups of chain wheels are arranged on the bottom frame, and a group of chain wheels is arranged on the top frame corresponding to the position between the two groups of chain wheels; the top frame is provided with a supporting roller. The adjusting device comprises a first adjusting rod and a second adjusting rod which are respectively arranged on the bottom frame and the top frame, the first adjusting rod and the second adjusting rod are respectively a left-handed screw and a right-handed screw, and an adjusting sleeve is connected between the left-handed screw and the right-handed screw. One stroke of the chain passes through three groups of chain wheels on the tensioning device in a staggered mode and is wound on the lifting chain wheel, and the other stroke of the chain is supported on the supporting roller. The tightness of the chain can be adjusted, and the stable operation of the lifting mechanism in the operation process is ensured.
Description
Technical Field
The utility model relates to a machinery vehicle storehouse especially relates to a chain overspeed device tensioner for machinery vehicle storehouse.
Background
The lifting mechanism of the vertical lifting type longitudinal carrying type stereo garage large-span lifting point adopts double-motor lifting, and is different from single-motor lifting in that a circulating chain lifted by double motors is longer, and the motors rotate forwards and backwards to cause the upper and lower stress of the chain to be inconsistent.
There is not a device for adjusting the tightness of the upper and lower parts of the chain in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chain overspeed device tensioner for mechanical garage.
The utility model aims at realizing through the following technical scheme:
the utility model discloses a chain tensioning device for a mechanical garage, which comprises an underframe and a top frame, wherein one end of the top frame is hinged with the underframe, and the other end of the top frame is connected with the underframe through an adjusting device;
two groups of chain wheels are arranged on the bottom frame, and a group of chain wheels is arranged on the top frame corresponding to the position between the two groups of chain wheels;
and the top frame is provided with a supporting roller.
By the above-mentioned the technical scheme provided by the utility model, the embodiment of the utility model provides a chain overspeed device tensioner for mechanical garage can adjust the elasticity of chain, guarantees hoist mechanism at operation in-process even running.
Drawings
Fig. 1 is a schematic view of a working principle of a chain tensioner for a mechanical garage provided by an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of the chain tensioner for a mechanical garage provided by the embodiment of the present invention;
fig. 3 is a state diagram of the tensioning device for opening the through-chain according to the embodiment of the present invention.
In the figure:
1. the chain wheel lifting device comprises a lifting chain wheel, 2 a chain, 3 a tensioning device, 4 an underframe, 5 a chain wheel shaft, 6 a U-shaped bolt, 7 a chain wheel, 8 a bearing, 9 an adjusting sleeve, 10 an adjusting rod shaft, 11 an adjusting rod I, 12 an adjusting rod II, 13 a top frame, 14 a supporting roller, 15 a roller shaft, 16 a clamping plate and 17 a shaft.
Detailed Description
Embodiments of the present invention will be described in further detail below. Details not described in the embodiments of the present invention belong to the prior art known to those skilled in the art.
The utility model discloses a chain overspeed device tensioner for mechanical garage, the concrete implementation mode of its preferred is:
the device comprises an underframe 4 and a top frame 13, wherein one end of the top frame 13 is hinged with the underframe 4, and the other end of the top frame 13 is connected with the underframe 4 through an adjusting device;
two groups of chain wheels 7 are arranged on the bottom frame 4, and a group of chain wheels is arranged on the top frame 13 corresponding to the position between the two groups of chain wheels 7;
the top frame 13 is provided with a supporting roller 14.
The adjusting device comprises a first adjusting rod 11 and a second adjusting rod 12 which are respectively arranged on the bottom frame 4 and the top frame 13, the first adjusting rod 11 and the second adjusting rod 12 are respectively a left-handed screw and a right-handed screw, and an adjusting sleeve 9 is connected between the left-handed screw and the right-handed screw.
Preferably:
the chain wheel is arranged on a chain wheel shaft 5 through a bearing 8, and the chain wheel shaft 5 is fixed on the bottom frame 4 or the top frame 13 through a U-shaped bolt 6;
the supporting roller 14 is mounted on the top frame 13 through a roller shaft 15;
the top frame 13 is hinged with the bottom frame 4 through a shaft 17, and a clamping plate 16 is arranged at the end part of the shaft 17.
One stroke of the chain 2 passes through three groups of chain wheels on the tensioning device 3 in a staggered mode and is wound on the lifting chain wheel 1, and the other stroke of the chain 2 is supported on the supporting roller 14.
The utility model discloses a chain overspeed device tensioner for mechanical garage can adjust the elasticity of chain, guarantees hoist mechanism at operation in-process even running.
The specific embodiment is as follows:
as shown in fig. 1 to 3, the chain tensioner includes a base frame 4, and a sprocket shaft 5 fixed to the base frame 4 by a U-bolt 6; a bearing 8 is arranged between the chain wheel 7 and the chain wheel shaft 5, and the chain wheel can rotate flexibly; the first adjusting rod 11 and the second adjusting rod 12 are respectively a left-handed screw and a right-handed screw, and are synchronously adjusted up and down through the adjusting sleeve 9; the supporting roller 14 is arranged on the top frame 13 through a roller shaft 15, and the chain is arranged above the supporting roller 14; the top frame 13 is hinged with the bottom frame 4 through a shaft 17 and can rotate, and the shaft 17 limits the degree of freedom of the shaft through a clamping plate 16; the bottom frame 4 is provided with 2 groups of chain wheels, and the top frame 13 is provided with a group of chain wheels.
The working principle is as follows:
the chain 2 passes through the tensioning device 3 and is wound on the lifting chain wheel 1, so that the transmission synchronization of the two sides is ensured.
When the chain is threaded, one end of the adjusting rod is lifted, the chain penetrates through the upper parts of the 2 chain wheels on the bottom frame 4, then the top frame 13 is pressed down, the adjusting rod shaft 10 penetrates through the first adjusting rod 11, and then the chain penetrates through the upper parts of the supporting rollers 14 and is connected together; the pressing degree of the top frame is adjusted by adjusting the adjusting sleeve 9, so that the purposes of tensioning and adjusting the chain are achieved.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A chain tensioning device for a mechanical garage is characterized by comprising an underframe (4) and a top frame (13), wherein one end of the top frame (13) is hinged with the underframe (4), and the other end of the top frame is connected with the underframe (4) through an adjusting device;
two groups of chain wheels (7) are arranged on the bottom frame (4), and a group of chain wheels is arranged on the top frame (13) corresponding to the position between the two groups of chain wheels (7);
and the top frame (13) is provided with a supporting roller (14).
2. The chain tensioning device for the mechanical garage of claim 1, wherein the adjusting device comprises a first adjusting rod (11) and a second adjusting rod (12) which are respectively arranged on the bottom frame (4) and the top frame (13), the first adjusting rod (11) and the second adjusting rod (12) are respectively a left-handed screw and a right-handed screw, and an adjusting sleeve (9) is connected between the left-handed screw and the right-handed screw.
3. The chain tensioner for mechanical garages of claim 2, wherein:
the chain wheel is arranged on a chain wheel shaft (5) through a bearing (8), and the chain wheel shaft (5) is fixed on the bottom frame (4) or the top frame (13) through a U-shaped bolt (6);
the supporting roller (14) is arranged on the top frame (13) through a roller shaft (15);
the top frame (13) is hinged with the bottom frame (4) through a shaft (17), and a clamping plate (16) is arranged at the end part of the shaft (17).
4. Chain tensioner for mechanical garages according to claim 1, 2 or 3, characterized in that one run of the chain (2) is wound around the lifting sprocket (1) passing alternately through three sets of sprockets on the tensioner (3), the other run of the chain (2) being supported on the supporting roller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243880.2U CN212672340U (en) | 2020-06-29 | 2020-06-29 | Chain tensioning device for mechanical garage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243880.2U CN212672340U (en) | 2020-06-29 | 2020-06-29 | Chain tensioning device for mechanical garage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672340U true CN212672340U (en) | 2021-03-09 |
Family
ID=74819032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243880.2U Active CN212672340U (en) | 2020-06-29 | 2020-06-29 | Chain tensioning device for mechanical garage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672340U (en) |
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2020
- 2020-06-29 CN CN202021243880.2U patent/CN212672340U/en active Active
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