CN216548091U - Transmission chain tightness degree adjusting device - Google Patents
Transmission chain tightness degree adjusting device Download PDFInfo
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- CN216548091U CN216548091U CN202122874655.XU CN202122874655U CN216548091U CN 216548091 U CN216548091 U CN 216548091U CN 202122874655 U CN202122874655 U CN 202122874655U CN 216548091 U CN216548091 U CN 216548091U
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- transmission chain
- sliding
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- chain
- sliding chassis
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Abstract
The utility model provides a transmission chain tightness adjusting device which comprises a fixed base, a sliding chassis, a position adjusting mechanism and a tensioning chain wheel, wherein the fixed base is fixedly arranged on the sliding chassis; the sliding chassis is connected to the fixed base through a directional sliding mechanism; the position adjusting mechanism is connected to the fixed base and arranged beside the sliding chassis; the tension chain wheel is rotatably connected to a first end of a fixed shaft through a rolling bearing, and a second end of the fixed shaft is welded on the sliding chassis. According to the tightness adjusting device for the transmission chain, under the condition that the transmission chain is loosened, the tightness of the transmission chain can be adjusted on line without cutting the transmission chain or replacing the transmission chain, so that continuous operation of equipment is guaranteed, and the service life of the transmission chain is prolonged.
Description
Technical Field
The utility model relates to the field of transmission chains, in particular to a transmission chain tightness adjusting device.
Background
The transmission chain comprises two chain wheels which are respectively composed of a driving chain wheel and a driven chain wheel, and the transmission chain is used as a linkage device for power transmission. Drive sprocket power take off, drive driven sprocket by the driving chain and carry power, the driving chain is as power transmission's key device in daily use, 24 hours continuous operation again, the phenomenon (chain pitch is pulled up in certain extent, belong to normal phenomenon) can appear pulling up in the driving chain, do not influence the normal use of chain, nevertheless the error appears in the cooperation of chain and sprocket, lead to the operation in-process to have the tooth jumping phenomenon, influence equipment moving continuity, accelerate the wearing and tearing of chain, reduce driving chain's life, if the elasticity of adjusting driving chain, only shut down the intercepting chain or change the driving chain, shorten spare part life, reduce the operating rate of equipment.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the transmission chain tightness adjusting device, which can adjust the tightness of the transmission chain on line without cutting the transmission chain or replacing the transmission chain under the condition that the transmission chain is loosened, thereby ensuring the continuous operation of equipment and prolonging the service life of the transmission chain.
In order to achieve the purpose, the utility model provides a transmission chain tightness adjusting device, which comprises a fixed base, a sliding chassis, a position adjusting mechanism and a tensioning chain wheel, wherein the fixed base is fixedly connected with the sliding chassis; the sliding chassis is connected to the fixed base through a directional sliding mechanism; the position adjusting mechanism is connected to the fixed base and arranged beside the sliding chassis; the tension chain wheel is rotatably connected to a first end of a fixed shaft through a rolling bearing, and a second end of the fixed shaft is welded on the sliding chassis.
Preferably, the directional sliding mechanism comprises a plurality of fixing bolts and a plurality of waist-shaped holes formed along the length direction of the fixing base, and the sliding chassis is provided with a plurality of connecting holes matched with the waist-shaped holes and is connected to the fixing base through the connecting holes and the fixing bolts penetrating through the connecting holes and corresponding to the waist-shaped holes.
Preferably, the position adjusting mechanism comprises an adjusting side plate and two adjusting screw rods, the adjusting side plate is fixed on the fixed base, two screw holes are formed in the adjusting side plate, and the adjusting screw rods are respectively arranged in the screw holes in a penetrating manner and the end parts of the adjusting screw rods are contacted with the sliding chassis.
Preferably, the diameter of the tension sprocket is less than or equal to 10 cm.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
through the cooperation of the sliding base plate, the position adjusting mechanism and the tensioning chain wheel, the chain does not need to be intercepted or replaced under the condition that the transmission chain is not loosened, the tightness of the transmission chain can be adjusted on line, the continuous operation of equipment is ensured, and the service life of the transmission chain is prolonged.
Drawings
FIG. 1 is a top view of a drive chain slack adjuster of an embodiment of the present invention;
FIG. 2 is a front view of a drive chain slack adjuster of an embodiment of the present invention;
fig. 3 is a diagram illustrating a use state of the drive chain slack adjuster according to the embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, which are set forth in detail below to provide a better understanding of the function and features of the utility model.
Referring to fig. 1 to 3, a transmission chain tightness degree adjusting device 1 according to an embodiment of the present invention includes a fixed base 11, a sliding chassis 12, a position adjusting mechanism and a tension sprocket 13; the sliding chassis 12 is connected to the fixed base 11 through a directional sliding mechanism; the position adjusting mechanism is connected with the fixed base 11 and arranged beside the sliding chassis 12; the tension sprocket 13 is rotatably connected to a first end of a fixed shaft 15 through a rolling bearing 14, and a second end of the fixed shaft 15 is welded to the sliding chassis 12.
The directional sliding mechanism comprises a plurality of fixing bolts 16 and a plurality of waist-shaped holes 17 which are arranged along the length direction of the fixing base 11, the sliding chassis 12 is provided with a plurality of connecting holes which are matched with the waist-shaped holes 17, and the connecting holes and the fixing bolts 16 which are arranged in the connecting holes in a penetrating mode and correspond to the waist-shaped holes 17 are connected to the fixing base 11. The sliding chassis 12 can freely slide on the fixed base 11, and the tightness can be adjusted to a greater extent by adopting the waist-shaped hole 17.
The position adjusting mechanism comprises an adjusting side plate 18 and two adjusting screw rods 19, the adjusting side plate 18 is fixed on the fixed base 11, two screw holes are formed on the adjusting side plate 18, the adjusting screw rods 19 are respectively arranged in the screw holes in a penetrating manner, and the end parts of the adjusting screw rods 19 are contacted with the sliding chassis 12.
The diameter of the tension chain wheel 13 is less than or equal to 10 cm. The tension sprocket 13 adopts a small sprocket to match with the rolling bearing 14, so that the friction force generated in the adjusting process is reduced, the original rotating speed of the tension sprocket 13 is kept, and the vibration phenomenon cannot occur.
When the transmission chain tightness adjusting device 1 is used, the transmission chain tightness adjusting device 1 is arranged in the middle of the driving chain wheel 2 and the driven chain wheel 3, the 3 chain wheels are arranged on the same straight line, as shown in the attached drawing 3, the driving chain wheel 2 is in the upper end driving position, the driven chain wheel 3 is below, the transmission chain tightness adjusting device 1 is fixed at the end of a box body, and the position of the tensioning chain wheel 13 can be in the middle of the driving chain wheel 2 and the driven chain wheel 3, so that the tightness of the transmission chain can be adjusted to the maximum degree. The center positions of the 3 chain wheels must keep the same straight line, so that the phenomena of friction and tooth clamping of the transmission chain in the running process can be reduced.
According to the transmission chain tightness adjusting device 1, the sliding base plate 12 can freely slide on the fixed base 11, and the waist-shaped hole 17 is formed in the fixed base 11, so that the tightness can be adjusted to a greater extent. When the transmission chain is loosened and needs to be adjusted, the fixing bolt 16 is loosened, the adjusting screw rod 19 is adjusted, the sliding base plate 12 is slowly moved until the transmission chain is properly loosened, and the fixing bolt 16 is screwed after the adjustment is finished.
The principle of the transmission chain tightness degree adjusting device 1 provided by the embodiment of the utility model is as follows: the planar sliding design is adopted, the advancing speed is adjusted on line by utilizing the threads of the adjusting screw rod 19, and the tightness and relaxation can be controlled at will. And the tension sprocket 13 adopts a small sprocket to be matched with the rolling bearing 14, so that the friction force generated in the adjusting process is reduced, the original rotating speed of the tension sprocket 13 is kept, and the vibration phenomenon cannot occur.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the utility model is to be determined by the appended claims.
Claims (4)
1. A tightness adjusting device of a transmission chain is characterized by comprising a fixed base, a sliding chassis, a position adjusting mechanism and a tensioning chain wheel; the sliding chassis is connected to the fixed base through a directional sliding mechanism; the position adjusting mechanism is connected to the fixed base and arranged beside the sliding chassis; the tension chain wheel is rotatably connected to a first end of a fixed shaft through a rolling bearing, and a second end of the fixed shaft is welded on the sliding chassis.
2. The transmission chain slack adjuster of claim 1, wherein the directional sliding mechanism includes a plurality of fixing bolts and a plurality of waist-shaped holes along a length direction of the fixing base, and the sliding base has a plurality of connecting holes matching with the waist-shaped holes and is connected to the fixing base through the fixing bolts passing through the connecting holes and corresponding to the waist-shaped holes.
3. The transmission chain tightness degree adjusting device according to claim 2, wherein the position adjusting mechanism comprises an adjusting side plate and two adjusting screw rods, the adjusting side plate is fixed on the fixing base, two screw holes are formed on the adjusting side plate, the adjusting screw rods are respectively arranged in the screw holes in a penetrating manner, and the end parts of the adjusting screw rods contact with the sliding chassis.
4. The drive chain slack adjuster of claim 3, wherein the diameter of the tension sprocket is less than or equal to 10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122874655.XU CN216548091U (en) | 2021-11-23 | 2021-11-23 | Transmission chain tightness degree adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122874655.XU CN216548091U (en) | 2021-11-23 | 2021-11-23 | Transmission chain tightness degree adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216548091U true CN216548091U (en) | 2022-05-17 |
Family
ID=81576908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122874655.XU Active CN216548091U (en) | 2021-11-23 | 2021-11-23 | Transmission chain tightness degree adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216548091U (en) |
-
2021
- 2021-11-23 CN CN202122874655.XU patent/CN216548091U/en active Active
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