CN2923627Y - Guide-wheel speed-limiting device - Google Patents
Guide-wheel speed-limiting device Download PDFInfo
- Publication number
- CN2923627Y CN2923627Y CN 200620054426 CN200620054426U CN2923627Y CN 2923627 Y CN2923627 Y CN 2923627Y CN 200620054426 CN200620054426 CN 200620054426 CN 200620054426 U CN200620054426 U CN 200620054426U CN 2923627 Y CN2923627 Y CN 2923627Y
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- CN
- China
- Prior art keywords
- roller
- cab
- sheave
- track adjusting
- adjusting wheel
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- 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 provides a guide wheel speed limiting device, comprises a litter box. Two bearing supports are arranged on both sides of the litter box top. A roller shaft is arranged on the bearing support and movably connected with the bearing support. A roller is arranged on the roller shaft. A geneva is arranged on the lateral of the roller and movably connected with the roller. Two ratchet pawls, which are opposite to each other on the radial direction, are arranged on the inner side flange of the geneva. Two centrifugal weights, which rotate synchronously, are connected with the roller shaft on the inner side of the ratchet pawl. A convex block, which cooperates to the ratchet pawl, is arranged on the outside of the centrifugal weight. The guide wheel is arranged on the bottom of the litter box which is opposite to the roller. A pulling rope is winded between the geneva and the guide wheel. The two group of geneva and guide wheel on both sides of the litter box share the same pulling rope. The pulling rope is provided with a force increasing brake device on both sides of the litter box. The utility model with advantages of simple structure, convenient installation and use, both guiding and speed limiting function, is used for vertical transportation device.
Description
Technical field
The utility model relates to a kind of speed-limit device, refers in particular to be used for a kind of track adjusting wheel speed-limit device that elevator uses.
Background technology
The velocity limiter of elevator is installed in machine room usually, is connected with cab by steel rope, and comes the tensioning steel rope by the weight of elevator shaft bottom.Therefore, must be equipped with the steel rope of twice hoistway height.After machine-roomless lift occurred, velocity limiter still must be put in the top of hoistway, made near maintenance, detected inconvenience.After the magneto-electric machine that power is big along with volume is little, in light weight occurs, the integrated elevator equipment that actuating device is installed on the cab also begins to occur, the demand of following the velocity limiter that cab moves is together also produced naturally, the present invention is improved original track adjusting wheel, and makes it to have both the speed limit function.
Summary of the invention
The purpose of this utility model is to provide a kind of a kind of track adjusting wheel speed-limit device simple in structure, easy to install, that have both guiding and speed limit function.
The purpose of this utility model is achieved in that a kind of track adjusting wheel speed-limit device, comprises cab, and wherein: the both sides, top of described cab are provided with supporting base, are provided with roller shaft on supporting base, and roller shaft and supporting base are dynamically connected; On roller shaft, be fixed with roller, be provided with sheave in wheels side, sheave and roller shaft are dynamically connected, on the inboard wheel rim of sheave, be provided with two at radially relative ratchet pawl, be connected with two centrifugal weight that rotate synchronously on the roller shaft of ratchet pawl inboard, the outside of centrifugal weight is provided with the projection that matches with ratchet pawl; Be provided with track adjusting wheel in the cab relative bottom, between sheave and track adjusting wheel, be wound with stay cord, two groups of sheaves of cab both sides and the shared stay cord of track adjusting wheel with roller; On the stay cord of cab side, be provided with the reinforcement brake equipment.
Reinforcement brake equipment described in the above-mentioned track adjusting wheel speed-limit device is to be made of double inclined plane slide rail and contract piece, the double inclined plane slide rail is fixed on the cab side, the contract piece is arranged on the lower position on double inclined plane slide rail inclined-plane, stay cord is connected with the contract piece, the contract piece is sticked to form by steel contract piece and rubber flat bed, steel contract piece is relative with double inclined plane steel slide rail, and the rubber laminating layer is relative with the ferro-concrete roadbed, is to be applicable at the ferro-concrete roadbed to operate.
Reinforcement brake equipment described in the above-mentioned track adjusting wheel speed-limit device is a safety tongs, is fixed on the cab side, and is relative with the steel rail, is useful on the steel rail and operates.
Supporting base described in the above-mentioned track adjusting wheel speed-limit device is made of base and two pivot arms again, base is captiveed joint with cab, the pivot arm middle part is dynamically connected with base, article two, pivot arm one end is dynamically connected with the roller shaft both sides respectively, the other end of pivot arm is connected with base elasticity, on the base of sheave side, be provided with support, on support, be provided with rotating shaft, in rotating shaft, be fixed with circle roller and eccentric wheel, circle roller contacts with the outer rim of sheave, and eccentric lower edge is dynamically connected by little roller and pivot arm elastic tip.
The utility model by track adjusting wheel is transformed into velocity limiter, makes integral structure simple after adopting said structure, and can conveniently realize upwards, downward two-way speed limiting; Simultaneously, more traditional the reducing greatly of pulling rope length that velocity limiter is required, and both can be used for the ferro-concrete roadbed, can be used for rail again.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the sectional structure scheme drawing of the utility model embodiment 1;
Fig. 4 is that the K of Fig. 1 is to view;
Fig. 5 is the use mounting structure scheme drawing of embodiment 1;
Fig. 6 is the structural representation of the utility model embodiment 2;
Fig. 7 is the left view of Fig. 1;
Fig. 8 is the sectional structure scheme drawing of the utility model embodiment 2;
Fig. 9 is that the F of Fig. 1 is to view;
Figure 10 is the use mounting structure scheme drawing of embodiment 2.
Among the figure: 1-cab, 2-supporting base, 20-base, 20A-support, 20B-rotating shaft, 20C-circle roller, 20D-eccentric wheel, the little roller of 20E-, 21-pivot arm, 3-roller shaft, 4-roller, 5-sheave, 5A-ratchet pawl, 6-centrifugal weight, 6A-projection, 7-track adjusting wheel, 8-stay cord, 9-resistance increase and decrease device, 9A-double inclined plane slide rail, 9B-contract piece, 10-roadbed.
The specific embodiment
Embodiment 1
Consult Fig. 1 to shown in Figure 5, a kind of track adjusting wheel speed-limit device of the present utility model, be the jacking system that is used for ferro-concrete roadbed track adjusting wheel speed-limit device, comprise cab 1, both sides, top in cab 1 are provided with supporting base 2, be provided with roller shaft 3 on supporting base 2, roller shaft 3 is dynamically connected with supporting base 2; On roller shaft 3, be fixed with roller 4, be provided with sheave 5 in roller 4 sides, sheave 5 is dynamically connected with roller shaft 3, on the inboard wheel rim of sheave 5, be provided with two at radially relative ratchet pawl 5A, be connected with two centrifugal weight 6 that rotate synchronously on the roller shaft 3 of ratchet pawl 5A inboard, the outside of centrifugal weight 6 is provided with the projection 6A that matches with ratchet pawl 5A; Be provided with track adjusting wheel 7 in cab 1 bottom relative, between sheave 5 and track adjusting wheel 7, be wound with stay cord 8, two groups of sheaves 5 of cab 1 both sides and track adjusting wheel 7 shared stay cords 8 with roller 4; On the stay cord 8 of cab 1 side, be provided with resistance increase and decrease device 9; Resistance increase and decrease device 9 is to be made of double inclined plane slide rail 9A and contract piece 9B, and double inclined plane slide rail 9A is fixed on cab 1 side, and contract piece 9B is arranged on the lower position on double inclined plane slide rail 9A inclined-plane, and stay cord 8 is connected with contract piece 9B.Contract piece 9B is sticked to form by steel contract piece and rubber flat bed, and steel contract piece is relative with double inclined plane steel slide rail 9A, and the rubber laminating layer is relative with ferro-concrete roadbed 10.Jacking system is when normal operation, and because of the projection 6A in centrifugal weight 6 outsides does not contact with the ratchet pawl 5A of the inboard wheel rim of sheave 5, sheave 5 does not rotate; Work as excessive velocities, under centrifugal action, centrifugal weight 6 gravitates, the projection 6A in its outside outwards moves and is fastened by the ratchet pawl 5A of the inboard wheel rim of sheave 5, drives sheave 5 and rotates, when sheave 5 rotates (in cab generation overspeed time), drive stay cord 8 and spur contract piece 9B and slide along double inclined plane slide rail 9A, thereby increase the pressure of contract piece 9B, the resistance of motion of cab 1 is increased, reach the purpose of braking roadbed.Contract piece 9B lateral surface is good with wear-resisting hard rubber.
Above-mentioned supporting base 2 is to be made of base 20 and two pivot arms 21, base 20 is captiveed joint with cab 1, pivot arm 21 middle parts and base 20 are dynamically connected, article two, pivot arm 21 1 ends are dynamically connected with roller shaft 3 both sides respectively, the other end of pivot arm 21 is connected with base 20 elasticity, on the base 20 of sheave 5 sides, be provided with support 20A, on support 20A, be provided with rotating shaft 20B, on rotating shaft 20B, be fixed with circle roller 20C and eccentric wheel 20D, circle roller 20C contacts with the outer rim of sheave 5, and the lower edge of eccentric wheel 20D is dynamically connected by little roller 20E and pivot arm 21 elastic tip.When sheave 5 rotates (in cab generation overspeed time) like this, driven circle roller 20C and made siamesed eccentric wheel 20D deflection compressing pivot arm 21, pivot arm 21 is pressed down, thereby increase the pressure of 4 pairs of roadbeds 10 of roller, to strengthen the pulling force of stay cord 8, enough brake resistances are arranged to guarantee cab 1.
Consult Fig. 6 to shown in Figure 10, a kind of track adjusting wheel speed-limit device of the present utility model, for the jacking system that is used for rail track adjusting wheel speed-limit device, substantially the same manner as Example 1, not existing together is that device 9 reinforcement brake equipments are with the bidirectional safety tongs that uses in the prior art.
Claims (4)
1. a track adjusting wheel speed-limit device comprises cab (1), it is characterized in that: the both sides, top of described cab (1) are provided with supporting base (2), are provided with roller shaft (3) on supporting base (2), and roller shaft (3) is dynamically connected with supporting base (2); On roller shaft (3), be fixed with roller (4), be provided with sheave (5) in roller (4) side, sheave (5) is dynamically connected with roller shaft (3), on the inboard wheel rim of sheave (5), be provided with two at radially relative ratchet pawl (5A), be connected with two centrifugal weight (6) that rotate synchronously on the roller shaft (3) of ratchet pawl (5A) inboard, the outside of centrifugal weight (6) is provided with the projection (6A) that matches with ratchet pawl (5A); Be provided with track adjusting wheel (7) in cab (1) bottom relative, between sheave (5) and track adjusting wheel (7), be wound with stay cord (8), two groups of sheaves (5) of cab (1) both sides and the shared stay cord of track adjusting wheel (7) (8) with roller (4); On the stay cord (8) of cab (1) side, be provided with reinforcement brake equipment (9).
2. track adjusting wheel speed-limit device according to claim 1, it is characterized in that: described reinforcement brake equipment (9) is to be made of double inclined plane steel slide rail (9A) and contract piece (9B), double inclined plane steel slide rail (9A) is with fixing on cab (1) side, contract piece (9B) is arranged on the lower position on double inclined plane steel slide rail (9A) inclined-plane, and stay cord (8) is connected with contract piece (9B); Contract piece (9B) is sticked to form by steel contract piece and rubber flat bed, and steel contract piece is relative with double inclined plane steel slide rail (9A), and the rubber laminating layer is relative with ferro-concrete roadbed (10).
3. track adjusting wheel speed-limit device according to claim 1 is characterized in that: described reinforcement brake equipment (9) is a safety tongs, is fixed on cab (1) side, and is relative with the steel rail.
4. according to claim 1 or 2 or 3 described track adjusting wheel speed-limit devices, it is characterized in that: described supporting base (2) is made of base (20) and two pivot arms (21) again, base (20) is captiveed joint with cab (1), pivot arm (21) middle part is dynamically connected with base (20), article two, pivot arm (21) one ends are dynamically connected with roller shaft (3) both sides respectively, the other end of pivot arm (21) is connected with base (20) elasticity, on the base (20) of sheave (5) side, be provided with support (20A), on support (20A), be provided with rotating shaft (20B), in rotating shaft (20B), be fixed with circle roller (20C) and eccentric wheel (20D), circle roller (20C) contacts with the outer rim of sheave (5), and the lower edge of eccentric wheel (20D) is dynamically connected by little roller (20E) and pivot arm (21) elastic tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620054426 CN2923627Y (en) | 2006-01-25 | 2006-01-25 | Guide-wheel speed-limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620054426 CN2923627Y (en) | 2006-01-25 | 2006-01-25 | Guide-wheel speed-limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2923627Y true CN2923627Y (en) | 2007-07-18 |
Family
ID=38260055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620054426 Expired - Fee Related CN2923627Y (en) | 2006-01-25 | 2006-01-25 | Guide-wheel speed-limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2923627Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665209B (en) * | 2009-07-31 | 2011-05-11 | 李宝光 | Control device of cage fall-protection catcher |
| CN102514996A (en) * | 2011-12-30 | 2012-06-27 | 江南嘉捷电梯股份有限公司 | Elevator speed limiting device |
| CN102992134A (en) * | 2012-12-05 | 2013-03-27 | 江南嘉捷电梯股份有限公司 | Protection device using guide pulley on lift |
| CN106429698A (en) * | 2016-10-27 | 2017-02-22 | 宜春市特种设备监督检验中心 | Over-speed protection device for elevator |
| CN109292584A (en) * | 2018-11-20 | 2019-02-01 | 南通通洋机电制造有限公司 | Elevator with roller guide shoe |
-
2006
- 2006-01-25 CN CN 200620054426 patent/CN2923627Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665209B (en) * | 2009-07-31 | 2011-05-11 | 李宝光 | Control device of cage fall-protection catcher |
| CN102514996A (en) * | 2011-12-30 | 2012-06-27 | 江南嘉捷电梯股份有限公司 | Elevator speed limiting device |
| CN102992134A (en) * | 2012-12-05 | 2013-03-27 | 江南嘉捷电梯股份有限公司 | Protection device using guide pulley on lift |
| CN106429698A (en) * | 2016-10-27 | 2017-02-22 | 宜春市特种设备监督检验中心 | Over-speed protection device for elevator |
| CN109292584A (en) * | 2018-11-20 | 2019-02-01 | 南通通洋机电制造有限公司 | Elevator with roller guide shoe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |