CN203332841U - Chain tensioning device - Google Patents
Chain tensioning device Download PDFInfo
- Publication number
- CN203332841U CN203332841U CN2013202543319U CN201320254331U CN203332841U CN 203332841 U CN203332841 U CN 203332841U CN 2013202543319 U CN2013202543319 U CN 2013202543319U CN 201320254331 U CN201320254331 U CN 201320254331U CN 203332841 U CN203332841 U CN 203332841U
- Authority
- CN
- China
- Prior art keywords
- chain
- tension case
- output shaft
- hook
- rotating head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a chain tensioning device which comprises a tensioning box. An input shaft and an output shaft which are parallel to each other are arranged in the tensioning box, the two ends of the input shaft and the two ends of the output shaft are mounted on the side walls of the tensioning box in a sliding mode, an output gear, a chain wheel and a turbine are sequentially mounted on the output shaft, the turbine is meshed with a worm, the worm is connected with a first rotating head, the chain wheel is provided with a drive chain in a matching mode, one end of the drive chain is connected with a first hook, and a stopping pin is arranged at the other end of the drive chain. A steel wire rope is also arranged on the tensioning box, the steel wire rope is connected with a second hook, the first hook is opposite to the second hook in direction, an input gear is mounted on the input shaft, the input gear is meshed with the output gear, the tensioning box also comprises a crank, and the crank and the first rotating head are used corporately. Through equipment which is simple and easy to implement, the chain tensioning device can be used when a chain is installed, is portable, fast and convenient to use and beneficial to fast maintenance, reduces labor intensity, reduces the number of operating workers, is low in manufacturing cost and convenient to carry, and can be reused.
Description
Technical field
The utility model relates to mechanical field, more specifically to a kind of chain tensioner.
Background technology
In enterprise production process, need the equipment such as roller chain to be transported product or conveying etc., the chain of using is more, after changing whole chain or changing certain link, often manually zip strip makes it in tighter state, and then uses jack to add steel rope and strained, make its state in docking, docked, because jack is attached most importance to, horizontal direction pulls jack very inconvenient again, especially the situation that aloft work occurs, more increased the weight of above shortcoming.At present, there is no a kind of simple equipment, can use light, efficient and convenient when chain is installed.
The utility model content
The purpose of this utility model is, a kind of chain tensioner is provided, and this device can be used light, efficient and convenient when chain is installed, and is convenient to Quick overhaul.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of chain tensioner, comprise tension case 4 and output shaft 23, and the two ends of described output shaft 23 are slidably mounted on the opposing sidewalls of tension case 4, and sprocket wheel 25, turbine 21 are installed on described output shaft 23 successively; Described turbine 21 engagement one worm screws 20, described worm screw 20 stretches out the top of tension case 4, and is connected with the first rotating head 6; The supporting chain drive-belt 3 that arranges of described sprocket wheel 25, an end of described chain drive-belt 3 stretches out tension case 4 and is connected with the first hook 2, and the other end stretches out tension case 4, and pin 26 is set; One steel rope 8 also is set on described tension case 4, and described steel rope 8 is connected with the second hook 9, and described the first hook 2 is positioned at the second hook 9 relative both sides and the opposite direction of straining case 4; Described tension case 4 also comprises a crank 7, and described crank 7 and the first rotating head 6 support the use.
Further, chain tensioner of the present utility model can also comprise an input shaft 17, described input shaft 17 is parallel with output shaft 23, and be slidably mounted on the opposing sidewalls of tension case 4, one input gear 11 is installed on described input shaft 17, on described output shaft 23, with the relative position of input gear 11, an output gear 14 is installed, described input gear 11 engagement output gears 14, one end of described input shaft 17 is installed the second rotating head 5, and the second rotating head 5 supports the use with crank 7.
One end of described input shaft 17 is installed the first end cap 13, and the other end is installed the second rotating head 5 and the 3rd end cap 19 from inside to outside successively.
One end of described output shaft 23 is equipped with the second end cap 15, and the other end is equipped with the 4th end cap 22.
Above-mentioned each end cap used is for to the axial location of input shaft and output shaft etc.
One end of described input shaft 17 is slidably mounted on by the first bearing shell 12 on the sidewall of tension case 4, and the other end is slidably mounted on the sidewall of tension case 4 by the 3rd bearing shell 18.
One end of described output shaft 23 is slidably mounted on by the second bearing shell 16 on the sidewall of tension case 4, and the other end is slidably mounted on the sidewall of tension case 4 by the 4th bearing shell 24.
Described input gear 11 is greater than 1 with the transmitting ratio of output gear 14.
The transmitting ratio of described worm screw 20 and turbine 21 is greater than the transmitting ratio of input gear 11 and output gear 14.
In the utility model, the size of rotating head used matches with the crank size, and crank can be arranged on rotating head.
The utility model has advantages of as follows with respect to prior art: the utility model is by simple equipment, can when chain is installed, use light, efficient and convenient, be convenient to Quick overhaul, reduced labour intensity, reduced the operating personnel, manufacturing price is cheap, easy to carry, can repeated usage.
The accompanying drawing explanation
Fig. 1 is chain tensioner embodiment 1 working state schematic representation of the present utility model;
Fig. 2 be in Fig. 1 A-A to view;
Fig. 3 is chain tensioner embodiment 2 working state schematic representations of the present utility model;
Fig. 4 be in Fig. 3 A-A to view;
Wherein, 1 a, end of chain; 2, the first hook; 3, chain drive-belt; 4, tension case; 5, the second rotating head; 6, the first rotating head; 7, crank; 8, steel rope; 9, the second hook; 10, the other end of chain; 11, input gear; 12, the first bearing shell; 13, the first end cap; 14, output gear; 15, the second end cap; 16, the second bearing shell; 17, input shaft; 18, the 3rd bearing shell; 19, the 3rd end cap; 20, worm screw; 21, turbine; 22, the 4th end cap; 23, output shaft; 24, the 4th bearing shell; 25, sprocket wheel; 26, pin.
The specific embodiment
Below with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind of chain tensioner, comprise tension case 4 and output shaft 23, and the two ends of described output shaft 23 are slidably mounted on the opposing sidewalls of tension case 4, and sprocket wheel 25, turbine 21 are installed on described output shaft 23 successively; Described turbine 21 engagement one worm screws 20, described worm screw 20 stretches out the top of tension case 4, and is connected with the first rotating head 6; The supporting chain drive-belt 3 that arranges of described sprocket wheel 25, an end of described chain drive-belt 3 stretches out tension case 4 and is connected with the first hook 2, and the other end stretches out tension case 4, and pin 26 is set; One steel rope 8 also is set on described tension case 4, and described steel rope 8 is connected with the second hook 9, and described the first hook 2 is positioned at the second hook 9 relative both sides and the opposite direction of straining case 4; Described tension case 4 also comprises a crank 7, and described crank 7 and the first rotating head 6 support the use.
One end of described output shaft 23 is equipped with the second end cap 15, and the other end is equipped with the 4th end cap 22.
One end of described output shaft 23 is slidably mounted on by the second bearing shell 16 on the sidewall of tension case 4, and the other end is slidably mounted on the sidewall of tension case 4 by the 4th bearing shell 24.
Embodiment 2
As shown in Figure 3 and Figure 4, a kind of chain tensioner, comprise tension case 4, input shaft 17, output shaft 23, and the two ends of described output shaft 23 are slidably mounted on the opposing sidewalls of tension case 4, and sprocket wheel 25, turbine 21 are installed on described output shaft 23 successively; Described turbine 21 engagement one worm screws 20, described worm screw 20 stretches out the top of tension case 4, and is connected with the first rotating head 6; The supporting chain drive-belt 3 that arranges of described sprocket wheel 25, an end of described chain drive-belt 3 stretches out tension case 4 and is connected with the first hook 2, and the other end stretches out tension case 4, and pin 26 is set; One steel rope 8 also is set on described tension case 4, and described steel rope 8 is connected with the second hook 9, and described the first hook 2 is positioned at the second hook 9 relative both sides and the opposite direction of straining case 4; Described input shaft 17 is parallel with output shaft 23, and be slidably mounted on the opposing sidewalls of tension case 4, one input gear 11 is installed on described input shaft 17, with the relative position of input gear 11, an output gear 14 is installed on described output shaft 23, described input gear 11 engagement output gears 14, an end of described input shaft 17 is installed the second rotating head 5.
Described tension case 4 also comprises a crank 7, and described crank 7 and the first rotating head 6 and the second rotating head 5 support the use.
One end of described input shaft 17 is installed the first end cap 13, and the other end is installed the second rotating head 5 and the 3rd end cap 19 from inside to outside successively.
One end of described output shaft 23 is equipped with the second end cap 15, and the other end is equipped with the 4th end cap 22.
One end of described input shaft 17 is slidably mounted on by the first bearing shell 12 on the sidewall of tension case 4, and the other end is slidably mounted on the sidewall of tension case 4 by the 3rd bearing shell 18.
One end of described output shaft 23 is slidably mounted on by the second bearing shell 16 on the sidewall of tension case 4, and the other end is slidably mounted on the sidewall of tension case 4 by the 4th bearing shell 24.
Described input gear 11 is greater than 1 with the transmitting ratio of output gear 14.
The transmitting ratio of described worm screw 20 and turbine 21 is greater than the transmitting ratio of input gear 11 and output gear 14.
As shown in figures 1 and 3, in when maintenance during chain, at first assemble this take-up device, on an end 1 that makes the first hook 2 and the second hook 9 be connected to chain, the other end 10 of chain, crank 7 is installed on the second rotating head 5 or the first rotating head 6, shaken crank 7, band movable sprocket 25 is rotated, thereby make chain drive-belt 3 can pull fast the other end 10 of an end 1 of chain and chain close, near after can implement docking.At chain drive-belt 3 ends with pin 26, guarantee its tenesmus, and play and prevent that chain drive-belt 3 from refunding from tension and exit case 4, in addition, chain drive-belt 3 can increase new chain from pin 26, extends stretching distance, after chain drive-belt 3 stretches out tension case 4, under pendant, can be not in great confusion in operation point, thus guarantee that the docking chain is efficient and convenient.。
Generally need 6, both sides people's tensioning chain in existing apparatus for examination and repair or method, middle 1 people implements docking, and after adopting the utility model, 2 people can complete.
Take-up device of the present utility model, manufacturing price is cheap, and one-time investment is easy to install, can repeated usage.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described.Although with reference to embodiment, the utility model is had been described in detail, will be understood by those skilled in the art that, the technical solution of the utility model is modified or is equal to replacement, do not break away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. a chain tensioner, it is characterized in that, described take-up device comprises tension case (4) and output shaft (23), and the two ends of described output shaft (23) are slidably mounted on the opposing sidewalls of tension case (4), and sprocket wheel (25), turbine (21) are installed on described output shaft (23) successively; Described turbine (21) meshes a worm screw (20), and described worm screw (20) stretches out the top of tension case (4), and is connected with the first rotating head (6); The supporting chain drive-belt (3) that arranges of described sprocket wheel (25), an end of described chain drive-belt (3) stretches out tension case (4) and is connected with the first hook (2), and the other end stretches out tension case (4), and pin (26) is set; One steel rope (8) also is set on described tension case (4), and described steel rope (8) is connected with the second hook (9), and described the first hook (2) is positioned at the second hook (9) relative both sides and the opposite direction of straining case (4); Described tension case (4) also comprises a crank (7), and described crank (7) supports the use with the first rotating head (6).
2. chain tensioner according to claim 1, it is characterized in that, described chain tensioner also comprises an input shaft (17), described input shaft (17) is parallel with output shaft (23), and be slidably mounted on the opposing sidewalls of tension case (4), the upper input gear (11) of installing of described input shaft (17), described output shaft (23) is upper installs an output gear (14) with the relative position of input gear (11), described input gear (11) engagement output gear (14), one end of described input shaft (17) is installed the second rotating head 5, and the second rotating head 5 supports the use with crank (7).
3. chain tensioner according to claim 2, is characterized in that, an end of described input shaft (17) is installed the first end cap (13), and the other end is installed the second rotating head 5 and the 3rd end cap (19) from inside to outside successively.
4. according to the arbitrary described chain tensioner of claims 1 to 3, it is characterized in that, an end of described output shaft (23) is equipped with the second end cap (15), and the other end is equipped with the 4th end cap (22).
5. chain tensioner according to claim 2, it is characterized in that, one end of described input shaft (17) is slidably mounted on by the first bearing shell (12) on the sidewall of tension case (4), and the other end is slidably mounted on the sidewall of tension case (4) by the 3rd bearing shell (18).
6. according to claim 1,2,3 and 5 arbitrary described chain tensioners, it is characterized in that, one end of described output shaft (23) is slidably mounted on by the second bearing shell (16) on the sidewall of tension case (4), and the other end is slidably mounted on the sidewall of tension case (4) by the 4th bearing shell (24).
7. chain tensioner according to claim 2, is characterized in that, described input gear (11) is greater than 1 with the transmitting ratio of output gear (14).
8. chain tensioner according to claim 2, is characterized in that, the transmitting ratio of described worm screw (20) and turbine (21) is greater than the transmitting ratio of input gear (11) and output gear (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202543319U CN203332841U (en) | 2013-05-10 | 2013-05-10 | Chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202543319U CN203332841U (en) | 2013-05-10 | 2013-05-10 | Chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203332841U true CN203332841U (en) | 2013-12-11 |
Family
ID=49701533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202543319U Expired - Fee Related CN203332841U (en) | 2013-05-10 | 2013-05-10 | Chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203332841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230274A (en) * | 2018-10-11 | 2019-01-18 | 王跃平 | Hand chain tightener |
-
2013
- 2013-05-10 CN CN2013202543319U patent/CN203332841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230274A (en) * | 2018-10-11 | 2019-01-18 | 王跃平 | Hand chain tightener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160510 |