A lower supporting plate of a chain tensioning device
A chain tensioning device and supporting plate technology, which is applied in the chain field, can solve the problems of large chain floating, impact deformation of the bottom plate of the noisy box girder, and high space requirements, and achieve the effect of simple structure, guaranteed reliability, and small volume
Active Publication Date: 2017-11-10
CHONGQING JIALING QUANYU MANEUVERING VEHICLE CO LTD
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Problems solved by technology
[0003] The defect of the existing tensioning device is: in some occasions where the space is narrow (such as in the box girder of the vehicle), when the chain needs to be reversed, the tight side and the loose side of the chain will also change direction. Existing tensioning devices in narrow applications will lead to relatively large chain fluctuations and high space requirements
As a result, the reliability and efficiency of the transmission are affected, and the possibility of the tensioning arm colliding with the bottom plate under the drag of the chain increases
This will frequently generate noise and cause impact deformation of the bottom plate of the box girder
Method used
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[0017] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0018] Such as Figure 1-3 As shown, a lower supporting plate of a chain tensioning device, one end of the main body 1 of the lower supporting plate is suspended in the air, the other end of the main body 1 is a hinged end, and the bottom surface of the hinged end has two lugs 1a arranged side by side. The body 1 is a composite plate with a high middle and low ends. The body 1 is sequentially composed of a first arc section 1b, a first working straight section 1c, a second arc section 1d, and a second working flat section from the hinged end to the suspended end. The straight section 1e, the third arc section 1f, the fourth arc section 1g and the fifth arc section 1h, wherein the first arc section 1b is a hinge end transition section, the fifth arc section 1h end is a transition section, and the fifth arc section 1h end is a transition section. Both the firs...
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The invention discloses a lower support plate of a chain tension device, wherein one end of a body of the lower support plate is hung, the other end of the body of the lower support plate is a hinged end, a support lug is arranged on the bottom surface of the hinged end, the body is of a combined plate, the middle of the combined plate is high, the two ends of the combined plate are low, the body is orderly provided with a first arc-shaped segment, a first work straight segment, a second work straight segment, a third arc-shaped segment, a fourth arc-shaped segment and a fifth arc-shaped segment from the hinged end to a hung end, the two ends of the third arc-shaped segment are smoothly connected with the second work straight segment and the fourth arc-shaped segment, the first and the second work straight segments alternately work, and can upwardly support a lower half part of a chain, and an included angle alpha (Alpha) is formed between the first and the second work straight segments. The lower support plate of the chain tension device can effectively reduce floating when the chain rotates to turn direction in a positive and negative direction, and prevents the lower half part of the chain from colliding with external parts, thereby guaranteeing rotating reliability of the chain. The lower support plate of the chain tension device is simple in structure and small in volume, thereby enabling the chain tension device to be used in occasions with narrow spaces.
Description
technical field [0001] The invention belongs to the field of chains, in particular to a lower supporting plate of a chain tensioning device. Background technique [0002] Chain transmission is a widely used transmission structure, in which the chain is connected between the driving sprocket and the driven sprocket, and the chain has a tight side and a loose side. Edges and loose edges also switch directions. In order to tension the tight side and loose side of the chain, the lower supporting plate of the chain tensioning device is generally provided. The lower supporting plate of the existing chain tensioning device is a clip structure, and its two tensioning arms are in contact with the tight side and the loose side respectively, and simultaneously go to the tight side and the loose side of the chain at the centerlines of the two sprockets. [0003] The defect of the existing tensioning device is: in some occasions where the space is narrow (such as in the box girder of t...
Claims
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IPC IPC(8): F16H7/08
CPCF16H7/08
Inventor 刘猛黄康
Owner CHONGQING JIALING QUANYU MANEUVERING VEHICLE CO LTD