CN101700849B - Manual rescue device of lifts - Google Patents
Manual rescue device of lifts Download PDFInfo
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- CN101700849B CN101700849B CN200910101610XA CN200910101610A CN101700849B CN 101700849 B CN101700849 B CN 101700849B CN 200910101610X A CN200910101610X A CN 200910101610XA CN 200910101610 A CN200910101610 A CN 200910101610A CN 101700849 B CN101700849 B CN 101700849B
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- voussoir
- driving wheel
- wheel
- wedge block
- permanent seat
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Abstract
The invention relates to a manual rescue device of lifts, which comprises a fixed base, a left wedge block, a right wedge block, a manual traction device, a pull-up member, a hoist rope, a driving wheel arranged on the left wedge block and a driven wheel arranged on the right wedge block, wherein the fixed base is provided with a trapezoidal hollow cavity, the left wedge block and the right wedge block are distributed inside the trapezoidal hollow cavity of the fixed base and respectively come into contact with two sides of the trapezoidal hollow cavity, the pull-up member is connected with the left and right wedge blocks and is provided with a primary drag rope, the hoist rope passes through a longitudinal gap therein, which is arranged between the driving wheel and the driven wheel; and the manual traction device comprises: a rocker, a rocker return spring, a pawl and an outer ratchet wheel, wherein the outer ratchet wheel and the driving wheel on the left wedge block are immovably connected to the same shaft and the rocker is also provided with a secondary drag rope. When the hoist rope is clamped by the driving wheel and the driven wheel, the driving wheel is driven by the manual traction device to rotate, as a result, the movement of the hoist rope towards one side can be accomplished in order to drive the lift car.
Description
Technical field
The present invention relates to a kind of manual rescue device of elevator, particularly a kind of inhead type machine-roomless lift manual rescue device is the accessory device of elevator.
Background technology
In the prior art, employed elevator mostly is towing machine inhead type machine-roomless lift greatly, and also temporary transient not explicitly calling at the manual jiggering operation of machine-roomless lift in the existing GB regulation, but elevator sudden power in service happens occasionally again in real-world operation, produce the car stop at interlayer, situation about can't move, each producer adopts storage battery as the backup power emergency service more at present, but the storage battery cost is higher and need the regular maintenance of personnel.The patent No. is the hand turning gear that the Chinese patent of CN00241548.8 discloses a kind of anodontia towing machine, it is by increasing a pair of gear pair on towing machine, when situations such as power failure, thereby can come the driving gear wheel set to drive the towing machine rotation by rotating the handwheel that is provided with, but this kind device maintainer need enter operation in the hoistway, and handwheel need take certain space, and the inhead type machine-roomless lift that towing machine is arranged between hoistway and the car side is unaccommodated.
Summary of the invention
The purpose of this invention is to provide a kind of manual rescue device of elevator, it is simple in structure, and it is little to take up room, and the maintainer do not need to enter in the hoistway and just can operate, and is safer.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of manual rescue device of elevator, it comprises permanent seat, left voussoir, right voussoir, hand traction device, lifts part, hoist ropes, and is separately positioned on driving wheel and the flower wheel that is arranged on the right voussoir on the left voussoir; Described permanent seat has a ladder cavity, and left voussoir and right voussoir are distributed in the permanent seat ladder cavity, contacts with ladder cavity two sides face respectively; The described part that lifts is connected with left voussoir, right voussoir and is provided with main drag-line; One axial clearance is arranged between described driving wheel and the flower wheel, and hoist ropes therefrom passes; Described hand traction device comprises: rocking bar, rocking bar returning spring, ratchet and outer ratchet also are provided with secondary drag-line on the described rocking bar; Described hand traction device is arranged on the left voussoir, and the driving wheel static connection on described outer ratchet and the left voussoir is on same axis.
The present invention is arranged on the hoistway inwall in use, hoist ropes passes between left voussoir and right voussoir, left side voussoir and right voussoir are realized interlock by lifting part, lift part and be provided with main drag-line, main drag-line can extend to electricity cabinet place, hoistway top, with the convenient for maintaining personnel operation, spur main drag-line and can make the oblique slip in permanent seat of left voussoir and right voussoir, thereby realization driving wheel and flower wheel wheel are to the clamping of hoist ropes.The hand traction device is arranged on the left voussoir, and the driving wheel static connection on described outer ratchet and the left voussoir is on same axis.When hoist ropes is in by driving wheel and flower wheel clamped condition, be arranged on secondary drag-line on the rocking bar by pulling, make the driving wheel rotation, just can realize allowing hoist ropes toward a lateral movement, thus the drive lift car.
As preferably, the contact surface of described permanent seat and left voussoir, right voussoir is provided with the dovetail furrow and the dovetail of mutual coupling.
As preferably, be respectively arranged with the groove that is complementary with the hoist ropes cross sectional shape on described driving wheel and the flower wheel.It is that hoist ropes is stuck in the groove that groove mainly acts on, in order to avoid slippage in clamping title.
As preferably, also be respectively arranged with retracing spring between described permanent seat and left voussoir, the right voussoir.Retracing spring is set makes elevator when the normal operation in normal state, guarantee that driving wheel, flower wheel and hoist ropes are " disengagement " state.
In sum, the present invention has following beneficial effect:
1, the present invention at rocking bar, lift and be respectively arranged with drag-line on the part, the drag-line other end can be extended to electrical control cubicles place, hoistway top, during practical deliverance apparatus, the maintainer need not enter hoistway, has made things convenient for operation, safety is better.
2, the present invention's cost little, simple in structure that takes up room is low.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is a front-view schematic diagram of the present invention;
Fig. 3 is a dovetail furrow of the present invention place cross-sectional view;
Fig. 4 is an installing condition perspective view of the present invention.
In the accompanying drawing: 1. permanent seat, 2. secondary drag-line, 3. hand traction device, 4. rocking bar returning spring, 5. left voussoir, 6. driving wheel, 7. flower wheel, 8. right voussoir, 9. lift part, 10. main drag-line, 11. ratchets, 12. rocking bars, 13. outer ratchet, 14. retracing springs, 15. dovetail furrows, 16. dovetail, 17. hoistways, 18. towing machines, 19. hoist ropes, 20. cars, 21. counterweights.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
This specific embodiment only is an explanation of the invention; it is not a limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification sheets, but as long as all are subjected to the protection of patent law in claim scope of the present invention.
As Figure 1-3, a kind of manual rescue device of elevator, it comprises: permanent seat 1, left voussoir 5, right voussoir 8, hand traction device 3, lift part 9 and be separately positioned on the driving wheel 6 on the left voussoir 5 and be arranged on two flower wheels 7 on the right voussoir 8, described permanent seat 1 has an isosceles ladder cavity, there is opening at two ends up and down, and two hypotenuses of permanent seat 1 isosceles trapezoid cavity are provided with the dovetail furrow 15 that runs through the hypotenuse total length; Left side voussoir 5 and right voussoir 8 are symmetrical mutually right-angled trapezium shape, and its hypotenuse is provided with the dovetail 16 that is complementary with dovetail furrow 15, and the dovetail 16 on left voussoir 5 and the right voussoir 8 is fastened in the dovetail furrow 15 of permanent seat 1, can move freely along dovetail furrow 15; Also be respectively arranged with a retracing spring 14 between left voussoir 5, right voussoir 8 and permanent seat 1, guaranteed be not subjected under the external force state, retracing spring 14 is pushed into permanent seat 1 ladder cavity bottom with left voussoir 5 and right voussoir 8, can not be free to slide; Lifting part 9 is fastened in the slotted hole of left voussoir 5, right voussoir 8, one end is connected with main drag-line 10, spur main drag-line 10 left voussoir 5, right voussoir 8 are moved in permanent seat 1 isosceles trapezoid cavity, unclamp main drag-line 10, left voussoir 5, right voussoir 8 spring 14 pushed home that can be reset; On left voussoir 5 and right voussoir 8, also be respectively arranged with cavity, driving wheel 6 and flower wheel 7 are installed in respectively in the cavity of left voussoir 5 and right voussoir 8, and can rotate freely around the axle center, also be provided with the circular groove of some identical sizes on driving wheel 6 and the flower wheel 7; Described hand traction device 3 is installed on the left voussoir 5, comprise rocking bar 12, rocking bar returning spring 4, ratchet 11 and outer ratchet 13, driving wheel 6 on described outer ratchet 13 and the left voussoir 5 is connected on the same axis by flat key, can drive driving wheel 6 rotates synchronously, the similar free wrench of rocking bar 12 inner structures, also be connected with a rocking bar returning spring 4 and secondary drag-line 2 on the rocking bar 12, during use, only need the secondary drag-line 2 of pulling that rocking bar 12 outer ratchets 13 of drive and driving wheel 6 are rotated together, hand traction device 3 its essence are a ratchet device, the principle and the mode of operation of ratchet device are well known to those skilled in the art, and no longer too much describe at this.
As shown in Figure 4, manual rescue device is installed in the hoistway 17, the hoist ropes 19 that connects towing machine 18 and counterweight 21 from the voussoir 5 of a manual rescue device left side driving wheel 6 and the space between two flower wheels 7 on the right voussoir 8 pass, non-working condition driving wheel 6, flower wheel 7 do not contact with hoist ropes 19, and main drag-line 10, secondary drag-line 2 can prolong near the top layer electrical control cubicles.When emergencies such as power failure takes place cause car 20 stops at interlayer, in the time of can't moving, the maintainer only need spur main drag-line 10 at the electrical control cubicles place, make left voussoir 5, right voussoir 8 moves up along dovetail furrow 15, because dovetail furrow 15 is arranged on the hypotenuse of isosceles trapezoid, left side voussoir 5, when right voussoir 8 moves up, also can make left voussoir 5, right voussoir 8 is drawn close relatively, and hoist ropes 19 is between left voussoir 5 and right voussoir 8, move to certain position, circular groove on driving wheel 6 and the flower wheel 7 can tightly block hoist ropes 19, at this moment, utilizes control housing to unclamp braking on the towing machine 18, spur secondary drag-line 2 then repeatedly, secondary drag-line 2 drives driving wheel 6 clickwises, and the hoist ropes 19 that is blocked by the circular groove on driving wheel 6 and the flower wheel 7 is also screwed out downwards, rises thereby drive car 20, when rising to floor, car 20 can open 20 of cars, when main drag-line 10 is unclamped, because holddown spring 14 makes left voussoir 5, right voussoir 8 resets, and hoist ropes 19 is released.
Claims (4)
1. the manual rescue device of an elevator, it is characterized in that: it comprises permanent seat (1), left voussoir (5), right voussoir (8), hand traction device (3), lifts part (9), hoist ropes (19), and is separately positioned on the driving wheel (6) on the left voussoir (5) and is arranged on flower wheel (7) on the right voussoir (8); Described permanent seat (1) has a ladder cavity, and left voussoir (5) is distributed in permanent seat (1) ladder cavity with right voussoir (8), contacts with ladder cavity two sides face respectively; The described part (9) that lifts is connected with left voussoir (5), right voussoir (8) and is provided with main drag-line (10); Between described driving wheel (6) and the flower wheel (7) axial clearance is arranged, hoist ropes (19) therefrom passes; Described hand traction device (3) comprising: rocking bar (12), rocking bar returning spring (4), ratchet (11) and outer ratchet (13) also are provided with secondary drag-line (2) on the described rocking bar (12); Described hand traction device (3) is arranged on the left voussoir (5), and driving wheel (6) static connection on outer ratchet (13) and the left voussoir (5) is on same axis.
2. the manual rescue device of elevator according to claim 1 is characterized in that: described permanent seat (1) is provided with the dovetail furrow (15) and the dovetail (16) of mutual coupling with the contact surface of left voussoir (5), right voussoir (8).
3. the manual rescue device of elevator according to claim 1 is characterized in that: be respectively arranged with the groove that is complementary with hoist ropes (19) cross sectional shape on described driving wheel (6) and the flower wheel (7).
4. the manual rescue device of elevator according to claim 1 is characterized in that: also be respectively arranged with retracing spring (14) between described permanent seat (1) and left voussoir (5), the right voussoir (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101610XA CN101700849B (en) | 2009-08-15 | 2009-08-15 | Manual rescue device of lifts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101610XA CN101700849B (en) | 2009-08-15 | 2009-08-15 | Manual rescue device of lifts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101700849A CN101700849A (en) | 2010-05-05 |
| CN101700849B true CN101700849B (en) | 2011-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910101610XA Active CN101700849B (en) | 2009-08-15 | 2009-08-15 | Manual rescue device of lifts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101700849B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092614A (en) * | 2011-03-28 | 2011-06-15 | 江南嘉捷电梯股份有限公司 | Power failure rescue device of elevator without machine room |
| CN104444692A (en) * | 2014-09-28 | 2015-03-25 | 苏州福沃斯电梯有限公司 | Manual emergency rescue device for machine-room-less elevator |
| DE112015006665T5 (en) * | 2015-07-01 | 2018-03-15 | Mitsubishi Electric Corporation | Manual driving method for an elevator lifting machine and manual driving device for an elevator lifting machine |
| CN112938695B (en) * | 2021-04-06 | 2024-01-12 | 特码斯派克工业技术(安徽)有限公司 | Rope adjusting suspension device and method |
-
2009
- 2009-08-15 CN CN200910101610XA patent/CN101700849B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101700849A (en) | 2010-05-05 |
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