CN203159014U - Automatic adjustment mechanism of hand strap tensioning device - Google Patents
Automatic adjustment mechanism of hand strap tensioning device Download PDFInfo
- Publication number
- CN203159014U CN203159014U CN 201320037603 CN201320037603U CN203159014U CN 203159014 U CN203159014 U CN 203159014U CN 201320037603 CN201320037603 CN 201320037603 CN 201320037603 U CN201320037603 U CN 201320037603U CN 203159014 U CN203159014 U CN 203159014U
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- China
- Prior art keywords
- handrail
- escalator
- tensioning plate
- switch
- angle bar
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- Expired - Lifetime
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- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Escalators And Moving Walkways (AREA)
Abstract
Provided is an automatic adjustment mechanism of a hand strap tensioning device. The automatic adjustment mechanism is respectively connected with a front drive motor and a rear drive motor through a front tensioning wheel, a rear tensioning wheel, a tensioning strap tensioning hand strap, a front screw and a rear screw. An approach switch detects the speed of the hand strap through rotating idler wheels. Speed signals of the hand strap are transmitted to a control cabinet of an escalator, and the control cabinet of the escalator controls the front drive motor and the rear drive motor to work according to the speed of the hand strap. The automatic adjustment mechanism can adjust the hand strap tensioning device automatically and detect the speed of the hand strap. Meanwhile, the automatic adjustment mechanism can be matched with the stair speed of the escalator for adjusting the hand strap tensioning device, and therefore the automatic adjustment function of the hand strap tensioning device can be improved, and operation stability of the hand strap can be improved.
Description
Technical field:
The utility model relates to the escalator technical field, more specifically to a kind of automatic regulating mechanism of hand rail tension device.
Background technology:
The handrail of escalator in use, can be owing to long-time the use becomes tediously long, it is excessive that can cause handrail to drive local pressure this moment, thereby influence the service life of handrail, tediously long handrail can cause escalator that the moving phenomenon of string is arranged simultaneously, influences the comfort that escalator is taken.So escalator is provided with tightening device, disclose a kind of hand rail tension device as patent No. ZL200920038297.5, the tensioning of its handrail realizes that by pull bar pulling quadrant pull bar adopts screw rod, roller is installed on the quadrant, and handrail is to be stretched on the roller.Its weak point is: it needs artificially the tightening device of handrail to be regulated, and can't the tensioning of handrail be automatically adjusted, and the while can't detect the speed of handrail and the step speed of escalator is carried out match and regulate.
The utility model content:
The purpose of this utility model is exactly the deficiency at prior art, and provide a kind of hand rail tension device automatic regulating mechanism, it can automatically adjust to the tightening device of handrail, can detect simultaneously the speed of handrail, carry out match and regulate with the step speed of escalator, thereby improve the automatic regulatory function of hand rail tension device, increase the stability of handrail operation.
Technology solution of the present utility model is as follows:
The automatic regulating mechanism of hand rail tension device, comprise handrail, escalator top truss, tension wheel behind tension wheel and the handrail before the handrail, before the axle of tension wheel is separately fixed at behind the axle of tension wheel and the handrail before the handrail tensioning plate and after on the tensioning plate, tension wheel is arranged in the front and rear part of handrail driving pulley behind the preceding tension wheel of handrail and the handrail, preceding tensioning plate sleeve is on guide rail, guide rail is fixed on the truss of escalator top, on the preceding tensioning plate tensioning plate angle bar is arranged fixedly, the front screw sleeve is on the tensioning plate angle bar, first nut and second nut are screwed onto on the front screw and abut against tensioning plate angle bar front and back two sides respectively, first angle bar is fixed on the truss of escalator top, the front screw sleeve is in the default hole of first angle bar, the 3rd nut is screwed onto on the front screw and is positioned at the rear side of first angle bar, spacing angle bar is fixed on the front screw, at escalator top truss first travel switch and second travel switch are arranged fixedly, first travel switch and second travel switch are arranged in the front and rear part of spacing angle bar, before driving motor-driven front screw;
Back tensioning plate is fixed on escalator top truss, back screw rod is hinged on the middle tensioning plate, the axle of middle tension wheel is fixed on the middle tensioning plate, tension band is pressed on the handrail, tension band is on first roller, second roller and middle tension wheel, the axle of first roller and the axle of second roller are fixed on the truss of escalator top, positioning plate is fixedly arranged at the top of back screw rod, third trip switch and fourth line journey switch are fixed on the truss of escalator top, positioning plate between third trip switch and fourth line journey switch, screw rod after the rear drive motor-driven;
First travel switch and second travel switch are the travel switch of before driving motor, and third trip switch and fourth line journey switch are the travel switch of rear drive motor.
Drive nut is fixedly arranged in the rotating shaft of described before driving motor, and drive nut is screwed onto with front screw, and drive nut is fixedly arranged in the rotating shaft of rear drive motor, and drive nut is screwed onto with the back screw rod.
The driving worm gear is fixedly arranged in the rotating shaft of described before driving motor, drive worm gear and be meshed with front screw, the driving worm gear is fixedly arranged in the rotating shaft of rear drive motor, drive worm gear and be meshed with the back screw rod.
Described speed signal near switch detection handrail, this speed signal sends the control housing of escalator to, and the control housing of escalator is controlled before driving motor and rear drive machine operation according to the step speed of escalator with the speed signal of handrail.
The beneficial effects of the utility model are:
It can automatically adjust to the tightening device of handrail, can detect the speed of handrail simultaneously, carries out match and regulate with the step speed of escalator, thereby improves the automatic regulatory function of hand rail tension device, increases the stability of handrail operation.
Description of drawings:
Fig. 1 is structural representation of the present utility model
Fig. 2 is the structural representation of tension wheel part before the handrail
Fig. 3 is the structural representation of tension wheel part behind the handrail
Among the figure: 1, handrail; 2, escalator top truss; 3, tension wheel before the handrail; 4, tension wheel behind the handrail; 5, preceding tensioning plate; 6, back tensioning plate; 7, handrail driving pulley; 8, guide rail; 9, tensioning plate angle bar; 10, front screw; 11, first nut; 12, second nut; 13, first angle bar; 14, the 3rd nut; 15, spacing angle bar; 16, first travel switch; 17, second travel switch; 18, before driving motor; 19, back screw rod; 20, middle tensioning plate; 2a, tension band; 21, middle tension wheel; 22, first roller; 23, second roller; 24, positioning plate; 25, third trip switch; 26, fourth line journey switch; 27, rear drive motor; 28, near switch; 29, the control housing of escalator.
The specific embodiment:
Embodiment: see shown in Fig. 1 to 3, the automatic regulating mechanism of hand rail tension device, comprise handrail 1, escalator top truss 2, tension wheel 4 behind tension wheel 3 and the handrail before the handrail, before the axle of tension wheel 4 is separately fixed at behind the axle of tension wheel 3 and the handrail before the handrail tensioning plate 5 and after on the tensioning plate 6, tension wheel 4 is arranged in the front and rear part of handrail driving pulley 7 behind the preceding tension wheel 3 of handrail and the handrail, preceding tensioning plate 5 sleeves are on guide rail 8, guide rail 8 is fixed on the escalator top truss 2, on the preceding tensioning plate 5 tensioning plate angle bar 9 is arranged fixedly, front screw 10 sleeves are on tensioning plate angle bar 9, first nut 11 and second nut 12 are screwed onto on the front screw 10 and abut against tensioning plate angle bar 9 front and back two sides respectively, first angle bar 13 is fixed on the escalator top truss 2, front screw 10 sleeves are in the default hole of first angle bar 13, the 3rd nut 14 is screwed onto on the front screw 10 and is positioned at the rear side of first angle bar 13, spacing angle bar 15 is fixed on the front screw 10, at escalator top truss 2 first travel switch 16 and second travel switch 17 are arranged fixedly, first travel switch 16 and second travel switch 17 are arranged in the front and rear part of spacing angle bar 15, and before driving motor 18 drives front screw 10;
First travel switch 16 and second travel switch 17 are the travel switch of before driving motor 18, and third trip switch 25 and fourth line journey switch 26 are the travel switch of rear drive motor 27.
Drive nut is fixedly arranged in the rotating shaft of described before driving motor 18, and drive nut is screwed onto with front screw 10, and drive nut is fixedly arranged in the rotating shaft of rear drive motor 27, and drive nut is screwed onto with back screw rod 19.
The driving worm gear is fixedly arranged in the rotating shaft of described before driving motor 18, drive worm gear and be meshed with front screw 10, the driving worm gear is fixedly arranged in the rotating shaft of rear drive motor 27, drive worm gear and be meshed with back screw rod 19.
The described speed signal that detects handrail 1 near switch 28, this speed signal sends the control housing 29 of escalator to, and the control housing 29 of escalator is worked with speed signal control before driving motor 18 and the rear drive motor 27 of handrail 1 according to the step speed of escalator.
Principle of work: handrail 1 is in escalator top truss 2, and front screw 10 links to each other with rear drive motor 27 with before driving motor 18 respectively with back screw rod 19.Detect the speed of handrail 1 near switch 28 by the roller of rotation, the speed signal of handrail 1 sends the control housing 29 of escalator to, the speed of handrail 1 whether and the speed of step between 0～2%.Exceed at 2% o'clock, the control housing 29 of escalator sends shutdown signal by before driving motor 18 and 27 outages of rear drive motor.Be lower than 0% when following, if 16 actions of first travel switch, then before driving motor 18 energisings of front screw 10, drive front screw 10, make handrail strap tensioning, testing the speed near switch this moment, if between 0～2%, before driving motor 18 quits work tensioning back bar tape speed.If front screw 10 makes 17 actions of second travel switch in the process of tensioning, before driving motor 18 quits work.The mode of operation of back screw rod 19 and front screw 10 are in like manner.
Claims (4)
1. the automatic regulating mechanism of hand rail tension device, comprise handrail (1), escalator top truss (2), tension wheel (4) behind tension wheel (3) and the handrail before the handrail, the axle of tension wheel (4) is separately fixed on preceding tensioning plate (5) and the back tensioning plate (6) behind the axle of the preceding tension wheel (3) of handrail and the handrail, tension wheel (4) is arranged in the front and rear part of handrail driving pulley (7) behind the preceding tension wheel (3) of handrail and the handrail, it is characterized in that: preceding tensioning plate (5) sleeve is on guide rail (8), guide rail (8) is fixed on the escalator top truss (2), preceding tensioning plate (5) is gone up fixedly tensioning plate angle bar (9), front screw (10) sleeve is on tensioning plate angle bar (9), first nut (11) and second nut (12) are screwed onto front screw (10) and go up and abut against respectively tensioning plate angle bar (9) front and back two sides, first angle bar (13) is fixed on the escalator top truss (2), front screw (10) sleeve is in the default hole of first angle bar (13), the 3rd nut (14) is screwed onto the rear side that first angle bar (13) were gone up and be positioned to front screw (10), spacing angle bar (15) is fixed on the front screw (10), at escalator top truss (2) first travel switch (16) and second travel switch (17) are arranged fixedly, first travel switch (16) and second travel switch (17) are arranged in the front and rear part of spacing angle bar (15), and before driving motor (18) drives front screw (10);
Back tensioning plate (6) is fixed on escalator top truss (2), back screw rod (19) is hinged on the middle tensioning plate (20), the axle of middle tension wheel (21) is fixed on the middle tensioning plate (20), tension band (2a) is pressed on the handrail (1), tension band (2a) is around first roller (22), on second roller (23) and the middle tension wheel (21), the axle of first roller (22) and the axle of second roller (23) are fixed on the escalator top truss (2), positioning plate (24) is fixedly arranged at the top of back screw rod (19), third trip switch (25) and fourth line journey switch (26) are fixed on the escalator top truss (2), positioning plate (24) is positioned between third trip switch (25) and the fourth line journey switch (26), and rear drive motor (27) drives back screw rod (19);
First travel switch (16) and second travel switch (17) are the travel switch of before driving motor (18), and third trip switch (25) and fourth line journey switch (26) are the travel switch of rear drive motor (27).
2. the automatic regulating mechanism of hand rail tension device according to claim 1, it is characterized in that: in the rotating shaft of before driving motor (18) drive nut is arranged fixedly, drive nut is screwed onto with front screw (10), in the rotating shaft of rear drive motor (27) drive nut is arranged fixedly, drive nut is screwed onto with back screw rod (19).
3. the automatic regulating mechanism of hand rail tension device according to claim 1, it is characterized in that: in the rotating shaft of before driving motor (18) the driving worm gear is arranged fixedly, driving worm gear is meshed with front screw (10), in the rotating shaft of rear drive motor (27) the driving worm gear is arranged fixedly, drive worm gear and be meshed with back screw rod (19).
4. the automatic regulating mechanism of hand rail tension device according to claim 1, it is characterized in that: the speed signal that detects handrail (1) near switch (28), this speed signal sends the control housing (29) of escalator to, and the control housing of escalator (29) is worked with speed signal control before driving motor (18) and the rear drive motor (27) of handrail (1) according to the step speed of escalator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037603 CN203159014U (en) | 2013-01-24 | 2013-01-24 | Automatic adjustment mechanism of hand strap tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037603 CN203159014U (en) | 2013-01-24 | 2013-01-24 | Automatic adjustment mechanism of hand strap tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159014U true CN203159014U (en) | 2013-08-28 |
Family
ID=49020217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320037603 Expired - Lifetime CN203159014U (en) | 2013-01-24 | 2013-01-24 | Automatic adjustment mechanism of hand strap tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203159014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112774A (en) * | 2013-01-24 | 2013-05-22 | 沃克斯电梯（中国）有限公司 | Hand strap tensing device automatic adjustment mechanism |
-
2013
- 2013-01-24 CN CN 201320037603 patent/CN203159014U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112774A (en) * | 2013-01-24 | 2013-05-22 | 沃克斯电梯（中国）有限公司 | Hand strap tensing device automatic adjustment mechanism |
| CN103112774B (en) * | 2013-01-24 | 2015-08-12 | 沃克斯电梯（中国）有限公司 | Hand rail tension device automatic adjusting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313000 Zhejiang Province, Huzhou city Nanxun District Nanxun science and Technology Industrial Park Xitailu No. 8 Patentee after: Walkers Schindler Elevator Co.,Ltd. Address before: 313000 Zhejiang city of Huzhou province Nanxun science and Technology Industrial Park Xitailu No. 8 Patentee before: VOLKSLIFT ELEVATOR (CHINA) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |