CN210510180U - Adjustable chain tensioning device - Google Patents
Adjustable chain tensioning device Download PDFInfo
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- CN210510180U CN210510180U CN201921454978.XU CN201921454978U CN210510180U CN 210510180 U CN210510180 U CN 210510180U CN 201921454978 U CN201921454978 U CN 201921454978U CN 210510180 U CN210510180 U CN 210510180U
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- chain
- mounting plate
- chain wheel
- adjusting screw
- wheel mounting
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Abstract
The utility model relates to an adjustable chain tensioning device; the method is characterized in that: the chain wheel adjusting mechanism comprises a rotating shaft, an adjusting screw rod, a chain wheel mounting plate connected to the rotating shaft and a tensioning chain wheel mounted on the chain wheel mounting plate; the adjusting screw pushes the chain wheel mounting plate to swing along the rotating shaft. The problem of the current scheme cause lead to the chain not hard up easily, lead to wearing and tearing between the chain easily and need to waste time and energy to the continuous adjustment position of the sprocket that increases is solved.
Description
Technical Field
The utility model relates to a overspeed device tensioner, concretely relates to chain overspeed device tensioner with adjustable.
Background
Generally, in the conveyor industry, a skid conveying system is widely used, and particularly, a rolling machine is used in many welding and coating workshops such as automobiles and engineering machinery. The transmission mode of the rolling machine usually adopts belt transmission or chain transmission. In the chain transmission, the elongation of the chain must be controlled within a reasonable range, otherwise the chain transmission is affected, the chain transmission is subjected to undesirable effects such as tooth disengagement, chain striking other parts, and chain breakage, and therefore chain tensioning is a very critical problem. The proper tensioning mechanism can be adjusted in time to compensate the elongation of the chain, so that the conveying chain is in a good running state.
According to the existing scheme, a chain is wound on chain wheels on two sides, a chain wheel is additionally arranged between the chain wheels, and the chain is tensioned inwards by the additionally arranged chain wheel. Such a solution has the following problems: (1) the increased chain wheel generates smaller tension force, so that the chain is easy to loosen; (2) the added chain wheel tensions the chains inwards, which easily causes abrasion among the chains; (3) a single sprocket tightens the chain and the sprocket needs to move a greater distance if the same tightening margin is required.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses a chain overspeed device tensioner with adjustable to lead to the chain not hard up easily among the solution prior art, lead to wearing and tearing between the chain easily and need waste time and energy scheduling problem to the continuous adjusting position of the sprocket that increases.
The utility model discloses the technical scheme who adopts as follows:
an adjustable chain tensioner;
the chain wheel adjusting mechanism comprises a rotating shaft, an adjusting screw rod, a chain wheel mounting plate connected to the rotating shaft and a tensioning chain wheel mounted on the chain wheel mounting plate; the adjusting screw pushes the chain wheel mounting plate to swing along the rotating shaft.
The further technical scheme is as follows: a chain wheel mounting shaft is arranged on the chain wheel mounting plate; the tensioning chain wheel is arranged on the chain wheel mounting shaft.
The further technical scheme is as follows: the chain wheel mounting plate comprises a guide hole formed in the chain wheel mounting plate and a guide shaft for limiting the chain wheel mounting plate to swing; the guide shaft is embedded in the guide hole.
The further technical scheme is as follows: the guide hole is an arc waist-shaped hole.
The further technical scheme is as follows: the adjusting screw is in threaded connection with the fixed block; and the adjusting screw rod is provided with a fixing nut for fixing the adjusting screw rod.
The further technical scheme is as follows: the chain tensioning device is mounted on the mounting base.
The further technical scheme is as follows: the mounting base comprises a mounting plate, a bottom plate and a supporting plate; the chain tensioning device is mounted on the mounting plate; the support plate is mounted on the bottom plate, and the mounting plate is supported by the support plate.
The utility model has the advantages as follows: the utility model discloses a chain overspeed device tensioner with adjustable adopts adjusting screw to promote the swing of sprocket mounting panel. After the chain wheel mounting plate swings for a certain angle, the tensioning chain wheels are installed in a front-back staggered mode, and form two tensioning forces in different directions. The adjustable chain tensioner brings the following effects: (1) the chain is tensioned from different directions by adopting the two tensioning sprockets, so that the formed tensioning force is large, and the chain cannot be loosened; (2) the chain does not need to be tensioned inwards by the tensioning chain wheel, and no abrasion exists between the chains; (3) the swing angle of the chain wheel mounting plate can be rapidly adjusted through the adjusting screw rod; (4) the adjusting screw rod can be fixed through the fixing nut and can continuously support the chain wheel mounting plate, so that the adjusting time is saved; (5) a guide shaft penetrates through the guide hole to limit the swing range of the chain wheel mounting plate; (6) the chain is tensioned by the two chain wheels, and the chain wheels only need to move for a short distance to finish the same tensioning allowance.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
In the figure: 1. a sprocket mounting plate; 10. installing a base; 11. mounting a plate; 12. a base plate; 13. a support plate; 2. a tension sprocket; 3. adjusting the screw rod; 4. a rotating shaft; 5. a chain wheel mounting shaft; 6. a guide shaft; 7. a guide hole; 8. a fixed block; 9. and (5) fixing the nut.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
Fig. 1 is a front view of the present invention. With reference to fig. 1, the present invention discloses an adjustable chain tensioner. The direction of X in the figure is the front end of the front view of the utility model, and the direction of Y in the figure is the right end of the front view of the utility model. The adjustable chain tensioner comprises a rotating shaft 4, an adjusting screw 3, a sprocket mounting plate 1 connected to the rotating shaft 4, and a tension sprocket 2 mounted on the sprocket mounting plate 1. The adjusting screw 3 pushes the sprocket mounting plate 1 to swing along the rotating shaft 4.
An adjustable chain tensioner is mounted on the mounting base 10. An adjustable chain tensioner is mounted on the upper end of the mounting base 10.
Fig. 1 is a front view of the present invention. Fig. 2 is a top view of the present invention. As shown in fig. 1 and 2, the mounting base 10 includes a mounting plate 11, a bottom plate 12, and a support plate 13. The chain tensioner is mounted on the mounting plate 11. The support plate 13 is mounted on the base plate 12, and the support plate 13 supports the mounting plate 11.
Preferably, the base plate 12 is square. A support plate 13 is mounted on the upper end of the base plate 12. The lower surface of the support plate 13 is attached to the upper surface of the base plate 12. Preferably, the mounting plate 11 is square. The mounting plate 11 is mounted on the upper end of the support plate 13. The lower surface of the mounting plate 11 is attached to the upper surface of the support plate 13.
The mounting base 10 serves to fixedly support the adjustable chain tensioner. The adjustable chain tensioning device is fixed, so that the adjustable chain tensioning device can work stably without shaking.
The adjusting screw 3 is connected with the fixed block 8 in a threaded manner. The adjusting screw 3 is provided with a fixing nut 9 for fixing the adjusting screw 3.
Preferably, there are two fixing blocks 8. The fixed blocks 8 are symmetrically connected to the left end and the right end of the upper surface of the mounting plate 11. The fixing block 8 is provided with a threaded hole.
The front end of the adjusting screw rod 3 penetrates through the fixing block 8, and the front end of the adjusting screw rod 3 props against the chain wheel mounting plate 1. The adjusting screw 3 is screwed in or out along the fixed block 8.
The adjusting screw 3 is provided with a fixing nut 9. The adjusting screw rod 3 is in threaded connection with the fixing nut 9. The adjusting screw 3 is screwed along the outer surface of the fixing nut 9. The fixing nut 9 is arranged at the rear end of the fixing block 8.
When the adjusting screw 3 props against the chain wheel mounting plate 1, the adjusting screw 3 needs to be fixed. The adjusting screw 3 rotates along the outer surface of the fixing nut 9, and the fixing nut 9 is close to the fixing block 8. The front end of the fixing nut 9 props against the rear end of the fixing block 8.
When the adjusting screw 3 is not pressed against the chain wheel mounting plate 1 any more, the fixing nut 9 needs to be loosened. The adjusting screw 3 rotates along the outer surface of the fixing nut 9, and the fixing nut 9 is far away from the fixing block 8. The front end of the fixing nut 9 no longer abuts against the rear end of the fixing block 8.
The swing angle of the chain wheel mounting plate 1 can be quickly adjusted through the adjusting screw rod 3. The fixing nut 9 plays a role of fixing. The fixing nut 9 allows the adjusting screw 3 to be continuously pressed against the sprocket mounting plate 1.
The rotary shaft 4 is mounted on a mounting base 10. The rotary shaft 4 is mounted on the upper surface of the mounting plate 11. The lower surface of the rotary shaft 4 is attached to the upper surface of the mounting plate 11. Preferably, the rotating shaft 4 is cylindrical. The upper end of the rotating shaft 4 is connected with the chain wheel mounting plate 1. The rotating shaft 4 is vertically installed. The outer surface of the rotary shaft 4 passes through the rear end of the lower surface of the sprocket mounting plate 1. The sprocket mounting plate 1 swings along the outer surface of the rotating shaft 4.
The adjustable chain tensioner comprises a guide hole 7 formed on the sprocket mounting plate 1 and a guide shaft 6 for restricting the swing of the sprocket mounting plate 1. The guide shaft 6 is fitted into the guide hole 7. Preferably, the guide hole 7 is a circular arc waist-shaped hole.
The guide shaft 6 is mounted on the mounting base 10. The guide shaft 6 is mounted on the upper surface of the mounting plate 11. The lower surface of the guide shaft 6 is attached to the upper surface of the mounting plate 11. Preferably, the guide shaft 6 is cylindrical. The upper end of the guide shaft 6 is connected with the chain wheel mounting plate 1. The guide shaft 6 is located at the front end of the rotary shaft 4. The guide hole 7 is opened in the upper surface of the sprocket mounting plate 1. The guide hole 7 is horizontally arranged in the left-right direction. The guide shaft 6 is vertically installed. The outer surface of the guide shaft 6 passes through the guide hole 7.
When the chain wheel mounting plate 1 swings to the right by a certain angle, the guide shaft 6 is positioned at the left end of the guide hole 7. The outer surface of the guide shaft 6 abuts against the left end of the guide hole 7. The guide shaft 6 restricts the sprocket mounting plate 1 from continuing to swing rightward.
When the chain wheel mounting plate 1 swings a certain angle to the left, the guide shaft 6 is positioned at the right end of the guide hole 7. The outer surface of the guide shaft 6 abuts against the right end of the guide hole 7. The guide shaft 6 limits the sprocket mounting plate 1 to continue swinging leftward.
The guide shaft 6 and the guide hole 7 play a role in swinging and guiding, and the guide shaft 6 and the guide hole 7 play a role in protecting the chain and the tension chain wheel 2. The guide shaft 6 and the guide hole 7 prevent the chain wheel mounting plate 1 from swinging too much, and the tensioning chain wheel 2 is used for pulling the chain belt, so that the chain is damaged.
Preferably, the sprocket mounting plate 1 is triangular. The sprocket mounting plate 1 is located at the upper end of the mounting base 10.
The chain wheel mounting plate 1 is provided with a chain wheel mounting shaft 5. The tension sprocket 2 is mounted on a sprocket mounting shaft 5.
Preferably, there are two sprocket mounting shafts 5. The sprocket mounting shafts 5 are provided on the left and right sides of the upper surface of the sprocket mounting plate 1. Preferably, the sprocket mounting shaft 5 is cylindrical. The lower surface of the chain wheel mounting shaft 5 is attached to the upper surface of the chain wheel mounting plate 1.
Preferably, there are two tension sprockets 2. The tension sprocket 2 is mounted to the outer surface of the sprocket mounting shaft 5. The outer surface of sprocket mounting shaft 5 passes through tension sprocket 2. The tension sprocket 2 is mounted coaxially with the sprocket mounting shaft 5. The tension sprocket 2 rotates around the outer surface of the sprocket mounting shaft 5.
When the adjustable chain tensioning device is installed, the chain is wound on the tensioning chain wheel 2 in an S shape. The tension sprocket 2 generates forward and backward forces to the chain respectively. The tension sprocket 2 forms two tension forces in different directions.
The adjusting screw 3 is propped against the chain wheel mounting plate 1, and the chain wheel mounting plate 1 swings along the outer surface of the rotating shaft 4. When the chain wheel mounting plate 1 swings to a limit angle, the outer surface of the guide shaft 6 is pressed against the guide hole 7, and the guide shaft 6 limits the swing of the chain wheel mounting plate 1. The adjusting screw 3 is fixed by tightening the fixing nut 9. The tension chain wheels 2 are installed in a front-back staggered manner. The tensioning chain wheel 2 achieves a tensioning effect on the chain.
In the present specification, terms such as "square", "cylindrical" and "triangular" are used, and these terms are not exactly "square", "cylindrical" and "triangular", and may be in a state of "substantially square", "substantially cylindrical" and "substantially triangular" within a range capable of exerting their functions.
In the present specification, the number of "two" or the like is used, but the present invention is not limited thereto, and other numbers may be used within a range where the functions thereof can be exerted.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (7)
1. An adjustable chain tensioner, comprising: comprises a rotating shaft (4), an adjusting screw (3), a chain wheel mounting plate (1) connected to the rotating shaft (4) and a tension chain wheel (2) mounted on the chain wheel mounting plate (1); the adjusting screw rod (3) pushes the chain wheel mounting plate (1) to swing along the rotating shaft (4).
2. The adjustable chain tensioner as set forth in claim 1, wherein: a chain wheel mounting shaft (5) is arranged on the chain wheel mounting plate (1); the tensioning chain wheel (2) is installed on the chain wheel installation shaft (5).
3. The adjustable chain tensioner as set forth in claim 1, wherein: comprises a guide hole (7) arranged on the chain wheel mounting plate (1) and a guide shaft (6) for limiting the swing of the chain wheel mounting plate (1); the guide shaft (6) is embedded in the guide hole (7).
4. The adjustable chain tensioner as set forth in claim 3, wherein: the guide hole (7) is an arc waist-shaped hole.
5. The adjustable chain tensioner as set forth in claim 1, wherein: the adjusting screw rod (3) is in threaded connection with the fixing block (8); and a fixing nut (9) for fixing the adjusting screw rod (3) is arranged on the adjusting screw rod (3).
6. The adjustable chain tensioner as set forth in claim 1, wherein: the chain tensioner is mounted on a mounting base (10).
7. The adjustable chain tensioner as set forth in claim 6, wherein: the mounting base (10) comprises a mounting plate (11), a bottom plate (12) and a supporting plate (13); the chain tensioner is mounted on the mounting plate (11); the supporting plate (13) is arranged on the bottom plate (12), and the mounting plate (11) is supported by the supporting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921454978.XU CN210510180U (en) | 2019-09-03 | 2019-09-03 | Adjustable chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921454978.XU CN210510180U (en) | 2019-09-03 | 2019-09-03 | Adjustable chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210510180U true CN210510180U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921454978.XU Active CN210510180U (en) | 2019-09-03 | 2019-09-03 | Adjustable chain tensioning device |
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| CN (1) | CN210510180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425260A (en) * | 2019-09-03 | 2019-11-08 | 无锡市通达输送设备有限公司 | A kind of adjustable chain stretching device |
-
2019
- 2019-09-03 CN CN201921454978.XU patent/CN210510180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425260A (en) * | 2019-09-03 | 2019-11-08 | 无锡市通达输送设备有限公司 | A kind of adjustable chain stretching device |
| CN110425260B (en) * | 2019-09-03 | 2024-05-24 | 无锡市通达输送设备有限公司 | Adjustable chain tensioning device |
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