CN101386393A - Movable escalator lower end tensioning device - Google Patents
Movable escalator lower end tensioning device Download PDFInfo
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- CN101386393A CN101386393A CNA2008101072957A CN200810107295A CN101386393A CN 101386393 A CN101386393 A CN 101386393A CN A2008101072957 A CNA2008101072957 A CN A2008101072957A CN 200810107295 A CN200810107295 A CN 200810107295A CN 101386393 A CN101386393 A CN 101386393A
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- jockey pulley
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Abstract
The invention discloses a movable escalator lower end tensioning device which comprises a step traction driven shaft arranged at the lower end of an escalator, and further comprises a tensioning bracket guide rail fixed with a truss, a tensioning bracket connected to the tensioning bracket guide rail in a sliding mode through a tensioning bracket guide wheel, and a tensioning pull rod with one end fixed with the tensioning bracket, wherein a tensioning pressure spring is arranged between the other end of the tensioning pull rod and the truss, and the step traction driven shaft is fixed on the tensioning bracket. According to the invention, the main wheel, the auxiliary wheel steering device and the traction driven shaft device are arranged on the tensioning bracket, the tensioning bracket is arranged on the guide rail of the tensioning bracket through the guide wheel, and the step traction driven shaft is always kept at an external tension force through the tensioning pressure spring between the tensioning bracket and the truss, so that the tensioning problem of the foldable step traction chain is solved; meanwhile, the requirement of synchronous movement of the main and auxiliary wheel steering devices and the traction driven shaft device is ensured.
Description
Technical field
The present invention relates to a kind of tensioner at lower end of movable escalator.
Background technology
Escalator stair generally is made up of three parts: ladder road, upper end, ladder road, stage casing and ladder road, lower end.Several steps connect into ring-type with conduction chain along whole terraced road at a certain distance, it also is fixed end that driving chain sprocket is installed for traction end in upper end, ladder road, because chain gear must solve the chain tension problem, the section of turning on ladder road, lower end is generally packaged type, realizes the tensioning to conduction chain by the section of turning to, the section of turning to drive step, the step drive conduction chain on ladder road, mobile lower end.The upset steering mode is adopted in turning to of common escalator step, its corresponding lower end ladder line structure, but the section of turning on ladder road, direct pull lower end realizes the tensioning to conduction chain.The present invention relates to the movable escalator step and adopt the translation steering mode turning to of lower end, terraced road, its lower end ladder line structure and common escalator lower end ladder line structure have a great difference, can not adopt the tensioning mode of common escalator conduction chain.Therefore the present invention is directed to the tensioning of movable escalator desire realization, propose a kind of new escalator tensioner at lower end and realize this purpose conduction chain.
Summary of the invention
The object of the invention provides a kind of tensioner at lower end of movable escalator, main wheel and jockey pulley steering hardware, step traction driven shaft device are arranged on the tensioner bracket, tensioner bracket is arranged on the tensioner bracket guided way by track adjusting wheel, by regulating the stressed of tensioning stage clip between tensioner bracket and the truss, the pulling force that makes tensioner bracket obtain backward also moves, the step traction driven shaft that is installed in tensioner bracket also moves simultaneously backward, thereby reach the step tow chain is realized slack-free purpose.Have simultaneously and can guarantee that main wheel and jockey pulley steering hardware are with step traction synchronization-moving effect of driven shaft device and characteristics.
Technical scheme of the present invention is: a kind of tensioner at lower end of movable escalator, comprise the step traction driven shaft of being located at the staircase lower end, described tightening device also comprises the tensioner bracket guided way fixing with truss, is slidingly connected to the tensioning pull bar that tensioner bracket, an end and tensioner bracket on the tensioner bracket guided way are fixed by the tensioner bracket track adjusting wheel, be provided with the tensioning stage clip between the described tensioning pull bar other end and the truss, described step traction driven shaft is fixed on the tensioner bracket.
The further technical scheme of the present invention is: a kind of tensioner at lower end of movable escalator, comprise the step traction driven shaft of being located at the staircase lower end, described tightening device also comprises the tensioner bracket guided way fixing with truss, is slidingly connected to the tensioning pull bar that tensioner bracket, an end and tensioner bracket on the tensioner bracket guided way are fixed by the tensioner bracket track adjusting wheel, be provided with the tensioning stage clip between the described tensioning pull bar other end and the truss, described step traction driven shaft is fixed on the tensioner bracket.
Also be provided with main wheel steering hardware and jockey pulley steering hardware on the described tensioner bracket.
Described main wheel steering hardware comprises that the main wheel that turns to terraced road support to be fixed on the tensioner bracket by main wheel turns to terraced road.
Described jockey pulley steering hardware turns to terraced road support and pull bar to be fixed on jockey pulley on the tensioner bracket by jockey pulley and turns to terraced road, turns to terraced road support guided way with the fixing jockey pulley of tensioner bracket guided way, and described jockey pulley turns to terraced road frame bottom to be provided with the jockey pulley that turns to terraced road support guided way to cooperate with jockey pulley and turns to terraced road support track adjusting wheel.
The described tensioning pull bar other end is provided with the setting nut that is pressed on tensioning stage clip outer end.
Advantage of the present invention is:
1. the present invention is arranged on main wheel steering hardware, jockey pulley steering hardware and step traction driven shaft device on the tensioner bracket, realizing that the slack-free while of conduction chain has been guaranteed main wheel steering hardware, jockey pulley steering hardware, step traction driven shaft device installation site relation and setting accuracy each other preferably, and improving the reliability of work.
2. tensioner bracket of the present invention moves on the tensioner bracket guided way by track adjusting wheel can reduce the friction drag that tensioning is moved, and the guiding of guided way can guarantee the positional precision after the tensioner bracket tensioning is moved preferably simultaneously.
Description of drawings
Fig. 1 is the structural representation of facing of the specific embodiment of the invention;
Fig. 2 is the plan structure scheme drawing of the specific embodiment of the invention;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 is the B-B cross-sectional schematic of Fig. 1.
Wherein: 1 truss; 2 tensioner bracket guided ways; 3 tensioner brackets; 4 tensioner bracket track adjusting wheels; 5 tensioning pull bars; 6 tensioning stage clips; 7 steps traction driven shaft; 8 main wheel steering hardwares; 9 jockey pulley steering hardwares; 10 jockey pulleys turn to terraced road support; 11 jockey pulleys turn to terraced road support guided way; 12 jockey pulleys turn to terraced road; 13 jockey pulleys turn to terraced road support track adjusting wheel; 14 main wheels turn to terraced road support; 15 main wheels turn to terraced road; 16 pull bars; 17 nuts; 18 step conduction chains; 19 step main wheels; 20 step jockey pulleys.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: as shown in Figures 1 to 4, a kind of tensioner at lower end of movable escalator, comprise the step traction driven shaft 7 of being located at the staircase lower end, described tightening device also comprises the tensioner bracket guided way 2 fixing with truss 1, is slidingly connected to the tensioning pull bar 5 that tensioner bracket 3 on the tensioner bracket guided way 2, an end and tensioner bracket 3 are fixed by tensioner bracket track adjusting wheel 4, be provided with tensioning stage clip 6 between described tensioning pull bar 5 other ends and the truss 1, described tensioning pull bar 5 other ends are provided with the setting nut 17 that is pressed on tensioning stage clip 6 outer ends.Described step traction driven shaft 7 is fixed on the tensioner bracket 3, and step conduction chain 18 is installed on the traction driven sprocket on the step traction driven shaft 7.When tensioner bracket 3 outwards slided on tensioner bracket guided way 2, the traction driven sprocket was along with outwards moving, and made 18 tensionings of step conduction chain, solved the problem of Foldable cascade conduction chain surplus; Regulate the nut 17 on the tensioning pull bar simultaneously, can regulate the elastic force of tensioning stage clip 6, and then change the position of tensioner bracket 3 on tensioner bracket guided way 2, easy to adjust, tension effects is good.
Also be provided with main wheel steering hardware 8 and jockey pulley steering hardware 9 on the described tensioner bracket 3.
Described main wheel steering hardware 8 comprises that the main wheel that turns to terraced road support 14 to be fixed on the tensioner bracket 3 by main wheel turns to terraced road 15.
Described jockey pulley steering hardware 9 turns to terraced road support 10 and pull bar 16 to be fixed on jockey pulley on the tensioner bracket 3 by jockey pulley and turns to terraced road 12, turns to terraced road support guided way 11 with the fixing jockey pulley of tensioner bracket guided way 2, and described jockey pulley turns to support 10 bottoms, terraced road to be provided with the jockey pulley that turns to terraced road support guided way 11 to cooperate with jockey pulley and turns to terraced road support track adjusting wheel 13.The step jockey pulley 20 of the step after folding and step main wheel 19 one in front and one in back turn to terraced road 15 upper edge guide rails to roll at main wheel, step jockey pulley 20 moves forward to jockey pulley and turns to enter on the terraced road 12 and turn to after the track then, and step jockey pulley 20 and 19 translations simultaneously of step main wheel turn to.
The present invention is arranged on main wheel and jockey pulley steering hardware on the tensioner bracket, tensioner bracket is arranged on the tensioner bracket guided way by track adjusting wheel, by the tensioning stage clip between tensioner bracket and the truss, make step traction driven shaft remain pulling force backward, solved the tensioning problem of Foldable cascade conduction chain; Guarantee main and auxiliary take turns steering hardware and the synchronization-moving requirement of traction driven shaft device simultaneously.
Claims (5)
1. tensioner at lower end of movable escalator, comprise the step traction driven shaft (7) of being located at the staircase lower end, it is characterized in that: described tightening device also comprises the tensioner bracket guided way (2) fixing with truss (1), is slidingly connected to the tensioning pull bar (5) that tensioner bracket (3), an end and tensioner bracket (3) on the tensioner bracket guided way (2) are fixed by tensioner bracket track adjusting wheel (4), be provided with tensioning stage clip (6) between described tensioning pull bar (5) other end and the truss (1), described step traction driven shaft (7) is fixed on the tensioner bracket (3).
2. tensioner at lower end of movable escalator according to claim 1 is characterized in that: also be provided with main wheel steering hardware (8) and jockey pulley steering hardware (9) on the described tensioner bracket (3).
3. tensioner at lower end of movable escalator according to claim 2 is characterized in that: described main wheel steering hardware (8) comprises that the main wheel that turns to terraced road support (14) to be fixed on the tensioner bracket (3) by main wheel turns to terraced road (15).
4. tensioner at lower end of movable escalator according to claim 2, it is characterized in that: described jockey pulley steering hardware (9) turns to terraced road support (10) and pull bar (16) to be fixed on jockey pulley on the tensioner bracket (3) by jockey pulley and turns to terraced road (12), turns to terraced road support guided way (11) with the fixing jockey pulley of tensioner bracket guided way (2), and described jockey pulley turns to terraced road support (10) bottom to be provided with the jockey pulley that turns to terraced road support guided way (11) to cooperate with jockey pulley and turns to terraced road support track adjusting wheel (13).
5. tensioner at lower end of movable escalator according to claim 1 is characterized in that: described tensioning pull bar (5) other end is provided with the setting nut (17) that is pressed on tensioning stage clip (6) outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101072957A CN101386393A (en) | 2008-10-21 | 2008-10-21 | Movable escalator lower end tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101072957A CN101386393A (en) | 2008-10-21 | 2008-10-21 | Movable escalator lower end tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101386393A true CN101386393A (en) | 2009-03-18 |
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ID=40476101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101072957A Pending CN101386393A (en) | 2008-10-21 | 2008-10-21 | Movable escalator lower end tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101386393A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274283A (en) * | 2013-06-09 | 2013-09-04 | 江南嘉捷电梯股份有限公司 | Step chain tensioning structure of escalator |
| CN104860182A (en) * | 2015-04-07 | 2015-08-26 | 日立电梯（广州）自动扶梯有限公司 | Tension device |
| WO2017041382A1 (en) * | 2015-09-08 | 2017-03-16 | 中国矿业大学 | Chain driving apparatus of two-way circulation conveying system |
| CN106672776A (en) * | 2017-03-10 | 2017-05-17 | 江南嘉捷电梯股份有限公司 | Stair chain rolling type tensioning device |
-
2008
- 2008-10-21 CN CNA2008101072957A patent/CN101386393A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274283A (en) * | 2013-06-09 | 2013-09-04 | 江南嘉捷电梯股份有限公司 | Step chain tensioning structure of escalator |
| CN104860182A (en) * | 2015-04-07 | 2015-08-26 | 日立电梯（广州）自动扶梯有限公司 | Tension device |
| WO2017041382A1 (en) * | 2015-09-08 | 2017-03-16 | 中国矿业大学 | Chain driving apparatus of two-way circulation conveying system |
| CN106672776A (en) * | 2017-03-10 | 2017-05-17 | 江南嘉捷电梯股份有限公司 | Stair chain rolling type tensioning device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090318 |