CN2665459Y - Bi-directional chain-drive tensioning device - Google Patents
Bi-directional chain-drive tensioning device Download PDFInfo
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- CN2665459Y CN2665459Y CN 200320127759 CN200320127759U CN2665459Y CN 2665459 Y CN2665459 Y CN 2665459Y CN 200320127759 CN200320127759 CN 200320127759 CN 200320127759 U CN200320127759 U CN 200320127759U CN 2665459 Y CN2665459 Y CN 2665459Y
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- slide block
- tension assembly
- guide body
- tensioning
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Abstract
The utility model discloses a two-way chain transmission tensioner, which comprises a lever component (1) and two uniformly structured and symmetrically arranged tensioner components (2) and (3). The lever component includes a lever (11), a lever dolly (12) and connection shafts (13) and (17). The installation height of the lever on the lever dolly is adjustable. The tensioner component includes tensioners (21) and (31), tensioner carriers (22) and (32), a slide block (23), spring (26), a slide block guide way (25) and a bolt (24). The tensioners, the tensioner carriers and the slide block can move as a whole up and down along the inner wall of the slide block guide way under the action of the spring and the lever. The structure can achieve the automatic tensioning of two-way chain transmission, particularly applicable in the vertical chain transmission situation. With simple structure, easy processing and installation, and good stability, the utility model can effectively enhance the automatic tensioning effect of the chain loose edge and release the tension of the chain tight edge.
Description
Technical field
The utility model relates to chain transmission tensioning device, relates in particular to the two-way automatic takeup of vertical chain-driven.
Background technique
Tension device is one of chaindriven main tension equipment.Tension device has auto-tensioning and two kinds of manual tensionings, and its structural type is varied.More common tension device mostly is manual tensioning at present, and is used for unidirectional horizontal chain-driven occasion more, its complex structure, and manufacture cost is corresponding higher.Chinese patent 00262534.2 discloses a kind of two-way tensioning mechanism, though this mechanism can realize two-way tensioning, but still is manual tensioning mode, and requires big and drive sprocket of drive sprocket wheelbase and driven sprocket diameter to differ less.
Summary of the invention
The purpose of this utility model is the shortcoming that overcomes above-mentioned prior art, and a kind of simple in structure, chain transmission tensioning device of realizing two-way auto-tensioning is provided, and is particularly useful for vertical chain-driven occasion.
For achieving the above object, chain transmission tensioning device of the present utility model mainly is made of the lever assembly tension assembly identical with two nested structures.Single unit system is symplex structure, and each assembly is taked following technological scheme:
1. lever assembly is a cross-bar-shaped, comprises lever, lever dolly and coupling shaft.In the lever midpoint, lever is realized being connected by coupling shaft with lever dolly.Go up along its length at the lever two end part respectively a microscler through hole, is connected with the tensioning wheel carrier of tension assembly at this place.Lever dolly has a plurality of holes along its vertical center line, with the setting height(from bottom) of adjustment (adjusting) lever on lever dolly.
2. tension assembly comprises Idle wheel, tensioning wheel carrier, slide block, spring, slider guide body and screw.The tension assembly that two nested structures are identical is arranged symmetrically in the lever two ends, and by coupling shaft the tensioning wheel carrier is linked to each other with lever.Tensioning wheel carrier and upper end of slide block face are connected, and spring adopts welding manner or alternate manner and slide block lower end surface to be connected, and embeds in the slider guide body.Leave appropriate gap between slide block and the slider guide body, can guarantee that slide block moves up and down.Spring imposes the effect of power to slide block, moves up and down thereby can drive the tensioning wheel carrier, and realize the tensioning of chain effectively under leverage.Screw is fixed tightly on the slider guide body, and screw end embeds in the cannelure of slide block outer side surface, and slide block is played longitudinally guiding, the circumferentially effect of location and stroke limit.
The utlity model has following characteristics: the first, two overlaps tension assembly in the both sides of centre of sprocket vertical line, symmetric arrangement, and the Idle wheel of tension assembly is executed tension force in chain from the both sides of sprocket wheel, realizes vertical chaindriven two-way tensioning.The second, adopt spring to realize chaindriven auto-tensioning; The 3rd, leverage can strengthen the tension effects of chain slack list, alleviates pilled-in selvedge tension force simultaneously; The 4th, the utility model is simple in structure, is easy to processing and installation, and has stability preferably.
Description of drawings
Fig. 1 is two-way chain transmission tensioning device schematic representation: 1 lever assembly, 2 tension assemblies, 3 tension assemblies, 5 chain carriers, 6 sprocket wheels, 7 chains, 8 worktable, 11 levers, 12 lever dollies, 13 coupling shafts, 17 coupling shafts, 21 Idle wheels, 22 tensioning wheel carriers, 23 slide blocks, 24 screws, 25 slider guide bodies, 26 springs, 31 Idle wheels, 32 tensioning wheel carriers;
Fig. 2 is the side view of tension assembly 2: 21 Idle wheels, 22 tensioning wheel carriers, 23 slide blocks, 24 screws, 25 slider guide bodies;
Fig. 3 is lever and lever dolly linkage structure schematic representation: 11 levers, 12 lever dollies, 13 coupling shafts, 14 sliding sleeves, 15 nuts, 16 packing rings;
Fig. 4 is tensioning wheel carrier and lever linkage structure schematic representation: 11 levers, 17 coupling shafts, 18 nuts, 19 packing rings, 22 tensioning wheel carriers.
Embodiment
Below in conjunction with accompanying drawing and example the technical solution of the utility model is further specified.
Overall structure of the present utility model as shown in Figure 2.Embodiment is the Transmitted chains in the dish formula Photospot solar heat generating system elevation angle regulating mechanism, the diameter of chain carrier 5 is about 6 meters, is bent by channel-section steel to form, and chain 7 embeds in the groove of channel-section steel, and with sprocket wheel 6 engagement, sprocket wheel 6 is realized two-way rotation under the driving of motor.The utility model is made of lever assembly 1, tension assembly 2 and tension assembly 3.Tension assembly 2 and tension assembly 3 are arranged symmetrically in the both sides of sprocket wheel 6 central vertical lines.Lever assembly 1 comprises lever 11, lever dolly 12, coupling shaft 13 and coupling shaft 17.In the midpoint of lever 11, by coupling shaft 13 lever 11 is connected (Placement is seen Fig. 3) with lever dolly 12, lever 11 can be rotated around coupling shaft 13.Lever dolly 12 has a plurality of holes along its vertical center line, the setting height(from bottom) of can regulate lever 11, and lever dolly 12 is fixed on the worktable 8.Go up along its length at lever 11 two end part respectively a microscler through hole, and its effect is the mounting point that guarantees lever assembly 1 proper functioning and regulate tension assembly 2 and tension assembly 3.Tension assembly 2 comprises Idle wheel 21, tensioning wheel carrier 22, slide block 23, screw 24, slider guide body 25 and spring 26.Tension assembly 3 is identical with tension assembly 2 structures, and is arranged symmetrically in the both sides of lever assembly 1.Tensioning wheel carrier 22 and tensioning wheel carrier 32 middle parts are porose, and the microscler through hole that coupling shaft 17 passes this hole and lever 11 is connected (Placement is seen Fig. 4) with lever 11 with tensioning wheel carrier 22, tensioning wheel carrier 32.Idle wheel 21 is installed on the tensioning wheel carrier 22, and meshes with chain 7.Tensioning wheel carrier 22 is connected with slide block 23 upper-end surfaces.Slide block 23 outer surfaces vertically have one or more rectangular slots, the lower end surface of slide block 23 and spring 26 are connected, and embed in the shoulder hole of slider guide body 25, leave appropriate gap simultaneously and between the slider guide body 25, to guarantee that slide block 23 can move up and down along the inwall of slider guide body 25 under spring action and leverage.On slider guide body 25 sidewalls one or more tapped holes are arranged, screw 24 passes above-mentioned tapped hole and is fixed tightly on the sidewall of slider guide body 25, the end is embedded in vertical rectangular slot of slide block 23 sides simultaneously.24 pairs of slide blocks 23 of screw play longitudinally guiding, the circumferentially location and the effect of stroke limit, and the also available structure that other has said function of screw 24 replaces.Slider guide body 25 is fixed on the worktable 8.
The side view of tension assembly 2 as shown in Figure 2.
The Placement of lever 11 and lever dolly 12 as shown in Figure 3.Coupling shaft 13 is ladder-type, and there is screw thread the end, is fixed on the lever dolly 12 by ladder end face, packing ring 16 and nut 15.Sliding sleeve 14 is enclosed within on the coupling shaft 13, leaves certain interval between the two, so that sliding sleeve 14 can rotate around coupling shaft 13.The hole of the outer round surface of sliding sleeve 14 and lever 11 is an interference fit, rotates simultaneously to guarantee sliding sleeve 14 and lever 11.
Figure 4 shows that the Placement of tensioning wheel carrier 22 (or tensioning wheel carrier 32) and lever 11.Coupling shaft 17 is ladder-type, and there is screw thread the end, passes the microscler through hole of lever 11, is fixed on the tensioning wheel carrier 22 (or tensioning wheel carrier 32) by ladder end face, packing ring 19 and nut 18.17 of lever 11 and coupling shafts leave appropriate gap.
Working procedure of the present utility model is: press chain 7 required amount of tension and tentatively determine the setting height(from bottom) of lever 11 and the mounting point of tension assembly 2 and 3, and to the suitable pretightening force of spring, as shown in Figure 1, when sprocket wheel 6 clockwise rotates, the chain on sprocket wheel 6 right sides is a pilled-in selvedge, and the left side chain is the slack list, at this moment, the tensioning wheel carrier 22 and the Idle wheel 21 of slack list one side move up under the effect of spring 26, make the chain slack list obtain tensioning.Simultaneously, tensioning wheel carrier 22 moves up lever 11 is clockwise rotated, thereby tensioning wheel carrier 32 and Idle wheel 31 are moved down, and makes it reduce effect to the power of pilled-in selvedge, and this is useful to pilled-in selvedge.When sprocket wheel 6 rotates counterclockwise, can play the tensioning slack list equally and reduce the stressed effect of pilled-in selvedge simultaneously.
Claims (3)
1, a kind of two-way chain transmission tensioning device is characterized in that: be made of lever assembly (1), tension assembly (2) and tension assembly (3); Lever assembly (1) is a cross-bar-shaped, comprises lever (11), lever dolly (12) and coupling shaft (13), (17); Tension assembly (2) comprises Idle wheel (21), tensioning wheel carrier (22), slide block (23), slider guide body (25), spring (26) and screw (24); Tension assembly (3) is identical with tension assembly (2) structure; Tension assembly (2) and tension assembly (3) are symmetrically arranged in the both sides of sprocket wheel (6) central vertical line respectively.
2, according to the described two-way chain transmission tensioning device of claim 1, it is characterized in that: described slide block (23) outer surface vertically has one or more rectangular slots, and slide block (23) upper-end surface and tensioning wheel carrier (22) are connected, and lower end surface and spring (26) are connected; Slide block (23) and spring (26) embed in the shoulder hole of slider guide body (25), and and slider guide body (25) between leave appropriate gap; On slider guide body (25) sidewall one or more tapped holes are arranged, screw (24) passes above-mentioned tapped hole and is fixed tightly on the sidewall of slider guide body (25), and the end of screw (24) embeds in vertical rectangular slot of slide block (23); The available structure that other has said function of screw (24) replaces.
3, according to claim 1 or 2 described two-way chain transmission tensioning devices, it is characterized in that: go up along its length at described lever (11) two end part respectively a microscler through hole, and coupling shaft (17) passes above-mentioned microscler through hole lever (11) is connected with tensioning wheel carrier (22), tensioning wheel carrier (32); Lever dolly (12) has a plurality of holes along its vertical center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127759 CN2665459Y (en) | 2003-12-16 | 2003-12-16 | Bi-directional chain-drive tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127759 CN2665459Y (en) | 2003-12-16 | 2003-12-16 | Bi-directional chain-drive tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2665459Y true CN2665459Y (en) | 2004-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320127759 Expired - Fee Related CN2665459Y (en) | 2003-12-16 | 2003-12-16 | Bi-directional chain-drive tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2665459Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429998B (en) * | 2007-11-06 | 2010-12-08 | 东友科技股份有限公司 | Belt tension regulating mechanism |
| CN101566220B (en) * | 2008-04-22 | 2013-04-24 | 伊威斯发动机系统有限责任两合公司 | Tensioner assembly comprising a displaceable tensioning rail |
| CN103257654A (en) * | 2012-02-17 | 2013-08-21 | 海德堡印刷机械股份公司 | Device used for system utilizing solar energy |
| CN105172654A (en) * | 2015-09-30 | 2015-12-23 | 湖南晟通天力汽车有限公司 | Carriage, belt type conveying system thereof and tensile force adjusting device |
| CN105179620A (en) * | 2015-10-22 | 2015-12-23 | 中联重机股份有限公司 | Double tension device used for driving belt and corresponding belt driving system |
| CN105366286A (en) * | 2015-09-30 | 2016-03-02 | 湖南晟通天力汽车有限公司 | Automobile, belt-type transmission system thereof and tension adjusting device |
| CN106122402A (en) * | 2016-08-26 | 2016-11-16 | 江苏理文造纸有限公司 | A kind of support tensioner |
| CN106744024A (en) * | 2017-01-12 | 2017-05-31 | 芜湖航天特种电缆厂股份有限公司 | Tension mechanism based on lever control |
| CN108045842A (en) * | 2017-12-27 | 2018-05-18 | 安陆市永丰粮油机械制造有限公司 | It is a kind of can auto-tensioning carry material conveyer belt rice lifting machine upper frame |
| CN109099123A (en) * | 2018-09-13 | 2018-12-28 | 浙江庆源车业部件有限公司 | The dust-proof hydraulic tensioner of double rod type |
-
2003
- 2003-12-16 CN CN 200320127759 patent/CN2665459Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429998B (en) * | 2007-11-06 | 2010-12-08 | 东友科技股份有限公司 | Belt tension regulating mechanism |
| CN101566220B (en) * | 2008-04-22 | 2013-04-24 | 伊威斯发动机系统有限责任两合公司 | Tensioner assembly comprising a displaceable tensioning rail |
| CN103257654A (en) * | 2012-02-17 | 2013-08-21 | 海德堡印刷机械股份公司 | Device used for system utilizing solar energy |
| CN105172654A (en) * | 2015-09-30 | 2015-12-23 | 湖南晟通天力汽车有限公司 | Carriage, belt type conveying system thereof and tensile force adjusting device |
| CN105366286A (en) * | 2015-09-30 | 2016-03-02 | 湖南晟通天力汽车有限公司 | Automobile, belt-type transmission system thereof and tension adjusting device |
| CN105366286B (en) * | 2015-09-30 | 2017-09-26 | 湖南晟通天力汽车有限公司 | Automobile and its belt Transmission system and tensile force adjusting device |
| CN105179620A (en) * | 2015-10-22 | 2015-12-23 | 中联重机股份有限公司 | Double tension device used for driving belt and corresponding belt driving system |
| CN106122402A (en) * | 2016-08-26 | 2016-11-16 | 江苏理文造纸有限公司 | A kind of support tensioner |
| CN106744024A (en) * | 2017-01-12 | 2017-05-31 | 芜湖航天特种电缆厂股份有限公司 | Tension mechanism based on lever control |
| CN108045842A (en) * | 2017-12-27 | 2018-05-18 | 安陆市永丰粮油机械制造有限公司 | It is a kind of can auto-tensioning carry material conveyer belt rice lifting machine upper frame |
| CN109099123A (en) * | 2018-09-13 | 2018-12-28 | 浙江庆源车业部件有限公司 | The dust-proof hydraulic tensioner of double rod type |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |