CN107055244A - A kind of elevator protection network and its antiwind receipts web frame - Google Patents
A kind of elevator protection network and its antiwind receipts web frame Download PDFInfo
- Publication number
- CN107055244A CN107055244A CN201710339414.0A CN201710339414A CN107055244A CN 107055244 A CN107055244 A CN 107055244A CN 201710339414 A CN201710339414 A CN 201710339414A CN 107055244 A CN107055244 A CN 107055244A
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- 238000004804 winding Methods 0.000 claims description 47
- 230000001681 protective effect Effects 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of elevator protection network and its antiwind receipts web frame, it includes storing gear, directive wheel, gear cover, and the storage gear and the directive wheel are arranged in the gear cover；The gear cover is at least provided with a side openings, and the storage gear is arranged on the middle part of the side openings, and the storage gear exposes the side openings；The directive wheel includes two or more and the respectively both sides for storing gear；So as to prevent protection network from being wound during storage or expansion so that protection network smoothly can trail to prevent people from entering hoistway in corresponding elevator hall mouthful when hoistway door fails, and prevent people from falling into hoistway, it is ensured that personal safety.
Description
Technical Field
The invention relates to an elevator protection net and an anti-winding net-collecting structure thereof.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a cage for carrying people or goods in a multi-story building. The elevator is used as a tool for riding instead of walk for high-rise buildings, great convenience is brought to the life of people, but meanwhile, great risks are also hidden when the elevator is taken, and the life safety of people is threatened by the occurrence of accidents. The elevator is unsafe, but the most harmful factor is the falling accident of the hoistway, which directly causes the casualties, most of the reasons are that the elevator door mechanism fails, or the elevator car is not on the floor due to the artificial illegal operation, and the elevator door is accidentally opened, passengers or workers fall into the hoistway due to the falling of the elevator door, which causes personal injury accidents.
At present, most of anti-falling protection devices of elevators adopt a mechanical type or a protection net type, but the mechanical type protection devices have low safety factor and need frequent manual maintenance, which not only brings troubles to use, but also causes resource waste; the protective net type protection device easily enables the protective net to be wound together in the net collecting process, so that when the elevator door fails, the protective net cannot be smoothly unfolded at the corresponding elevator hall opening, and the protective net loses the protection effect.
Disclosure of Invention
The invention aims to solve the problems and provides an elevator protection net and an anti-winding net collecting structure thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
an anti-winding net collecting structure comprises a collecting gear (50), a guide wheel (60) and a gear cover (70), wherein the collecting gear (50) and the guide wheel (60) are arranged in the gear cover (70); the gear cover (70) is at least provided with a side opening, the accommodating gear (50) is arranged in the middle of the side opening, and the accommodating gear (50) is exposed out of the side opening; the guide wheel (60) comprises more than two sides which are respectively arranged on the two sides of the containing gear (50).
Preferably, the guide wheel (60) is disposed at a corner of the gear cover (70).
Preferably, the gear cover (70) comprises a face cover (71) and a back plate (72) which are mutually locked and connected, and the outer surface of the face cover (71) adopts a smooth arc surface.
Preferably, the inner surface of the face mask (71) is provided with a receiving gear pivot shaft (711) for attaching the receiving gear (50) and a guide wheel pivot shaft (712) for attaching the guide wheel (60), and the back plate (72) is provided with pivot holes at positions corresponding to the receiving gear pivot shaft (711) and the guide wheel pivot shaft (712).
In addition, the invention also provides an elevator protection net, which comprises the anti-winding net collecting structure, lifting ropes (11) fixedly arranged at the left side and the right side in an elevator shaft and a protection net (10) connected between the lifting ropes (11) at the left side and the right side, wherein the upper end and the lower end of each lifting rope (11) are respectively connected with a top floor plate at the top end and a bottom floor plate at the bottom end of the elevator shaft, the protection net (10) extends from the top floor plate to the bottom floor plate along the lifting ropes (11) and covers each elevator shaft opening (20), the anti-winding net collecting structure comprises two groups and is respectively arranged above and below one of the left side and the right side of an elevator car (30), and tensioning wheels (40) are respectively arranged above and below the other of the left side and the right side of the elevator car (30); wherein,
when the elevator car (30) ascends or descends to the current elevator hall opening (20), the lifting ropes (11) on one of the left side and the right side of the protective net (10) are stored towards the other of the left side and the right side of the protective net (10) along the upper anti-winding net-collecting structures (50, 60 and 70), the upper tensioning wheel (40), the lower tensioning wheel (40) and the lower anti-winding net-collecting structures (50, 60 and 70) so as to open the current elevator hall opening (20);
when the elevator car (30) continues to ascend or descend and leaves the current elevator hall entrance (20), the lifting ropes (11) on one of the left side and the right side of the protection net (10) are released and unfolded from the other of the left side and the right side to one of the left side and the right side along the lower anti-winding net collecting structure (50, 60, 70), the lower tensioning wheel (40), the upper tensioning wheel (40) and the upper anti-winding net collecting structure (50, 60, 70) so as to cover the current elevator hall entrance (20).
Preferably, the top floor and the bottom floor are respectively and fixedly provided with a lifting ring, and two ends of the lifting rope (11) are respectively connected with the lifting ring on the top floor and the lifting ring on the bottom floor.
Preferably, the receiving gear (50) is provided with receiving teeth at a periphery thereof, the receiving teeth are exposed out of a side opening of the gear cover (70), when the elevator car (30) ascends or descends to the current hoistway entrance (20), the receiving teeth are inserted into the mesh holes of the protection net (10) so as to receive the protection net (10) of the current hoistway entrance (20) from one of the left and right sides to the other of the left and right sides during rotation of the receiving gear (50) along with movement of the elevator car, and when the elevator car (30) leaves the current hoistway entrance (20), the mesh holes of the protection net (10) are disengaged from the receiving teeth and are released and spread from the other of the left and right sides to one of the left and right sides so as to cover the current hoistway entrance (20).
Preferably, the accommodating gear (50) is provided with an accommodating groove, the guide wheel (60) is provided with a guide groove, and the lifting rope (11) sequentially penetrates through the guide groove on one side of the accommodating gear (50), the accommodating groove and the guide groove on the other side of the accommodating gear (50).
Preferably, a longitudinal installation distance between the anti-winding net collecting structure (50, 60, 70) and the elevator car (30) is greater than a longitudinal installation distance between the tension pulley (40) and the elevator car (30).
Preferably, the elevator car (30) is further provided with a lifting rope guide groove (31), and the lifting rope guide groove (31) is arranged at one or more of the following positions: the upper anti-winding net retracting structure (50, 60, 70) is arranged between the upper tensioning wheel (40), the upper tensioning wheel (40) is arranged between the lower tensioning wheel (40), and the lower tensioning wheel (40) is arranged between the lower anti-winding net retracting structure (50, 60, 70).
The invention has the beneficial effects that:
(1) according to the anti-winding net collecting structure, the gear cover is arranged on the containing gear of the protective net, and the guide wheels are respectively arranged on the two sides of the containing gear, so that the protective net is prevented from being wound in the containing or unfolding process, the protective net can be smoothly stretched at the corresponding hoistway opening to prevent people from entering the hoistway when the hoistway door fails, the people are prevented from falling into the hoistway, and the personal safety is ensured;
(2) the guide wheel is arranged at the corner of the gear cover and guides the lifting rope of the protective net, so that the protective net is prevented from being clamped into the gear cover;
(3) the outer surface of the gear cover adopts a smooth arc surface, so that the protective network card can be prevented from being hung on the gear or the gear cover, and the image protective net is wound to normally store and unfold;
(4) according to the invention, the lifting rope independent of the lift car is arranged in the lift shaft, then the protective net is arranged on the lifting rope and is not shared with the steel wire rope of the lift car, so that the bearing is arranged on the floor, and the bearing capacity of the lift car is not influenced;
(5) the protective net is stored from one side of the storage gear to one side of the tensioning wheel, the storage gear is used for grabbing and positioning the protective net, and the tensioning wheel is used for furling the protective net, so that the protective net is freely folded and unfolded, and the operation is smoother;
(6) the anti-winding storage structure and the longitudinal installation distance of the elevator car are larger than the longitudinal installation distance of the tensioning wheel and the elevator car, so that dead corners cannot be formed when lifting ropes of the protective net are stored, and the operation is smoother.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of an elevator protection net according to the present invention;
FIG. 2 is a schematic view of a transmission structure of an anti-winding net-collecting structure of an elevator protection net of the invention;
FIG. 3 is a simplified block diagram of FIG. 2;
fig. 4 is one of schematic three-dimensional structures of an anti-winding net retracting structure of an elevator protection net according to the present invention;
fig. 5 is a second schematic view of a three-dimensional structure of an anti-winding net-collecting structure of an elevator protection net according to the present invention;
fig. 6 is an exploded view of an anti-winding net retracting structure of an elevator protection net according to the present invention;
in the figure:
10-protective screening; 11-a lifting rope; 20-elevator hall entrance; 30-an elevator car; 31-a sling guide slot;
40-a tension wheel; 41-a tension wheel positioning seat;
50-a receiving gear; 60-a guide wheel;
70-gear cover; 71-a face mask; 711-receiving gear pivoting shaft; 712-guide wheel pivot axis; 72-back plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 4 to 6, the anti-winding net retracting structure of the present invention includes a retracting gear 50, a guide wheel 60, and a gear cover 70, wherein the retracting gear 50 and the guide wheel 60 are disposed in the gear cover 70; the gear cover 70 is at least provided with a side opening, the receiving gear 50 is arranged in the middle of the side opening, and the receiving gear 50 is exposed out of the side opening; the guide wheel 60 includes two or more sides that are respectively located at the receiving gear 50.
The guide wheels 60 are disposed at corners of the gear cover 70. In addition, the guide wheels 60 may be respectively provided in a plurality in parallel at both sides of the storage gear 50, so that the sliding of the hoist rope is smoother. In this embodiment, the mounting opening of the guide wheel 60 on the gear cover 70 and the mounting opening of the receiving gear 50 are communicated with each other to form the side opening, and two ends of the side opening respectively extend to the corners of the gear cover 70.
The periphery of the storage gear 50 is provided with storage teeth, and the storage teeth are exposed out of the side opening of the gear cover 70. The storage gear 50 is provided with a storage groove, the guide wheel 60 is provided with a guide groove, and the lifting rope 11 sequentially passes through the guide groove on one side of the storage gear 50, the storage groove, and the guide groove on the other side of the storage gear 50.
The gear cover 70 comprises a face cover 71 and a back plate 72 which are mutually locked and connected, and the outer surface of the face cover 71 adopts a smooth arc surface, in the embodiment, the back plate 72 adopts a hollow structure, but can also be set to be a closed structure; the face shield 71 and the back plate 72 can be locked by adopting a mode that one side is in hinge rotation fit and the other side is in threaded locking connection; or both sides of the face shield 71 and the back plate 72 can be locked and connected by screw threads, which is not limited to this. The inner surface of the face mask 71 is provided with a receiving gear pivot shaft 711 for attaching the receiving gear 50 and a guide wheel pivot shaft 712 for attaching the guide wheel 60, and the back plate 72 is provided with pivot holes at positions corresponding to the receiving gear pivot shaft 711 and the guide wheel pivot shaft 712.
As shown in fig. 1 to 3, the present invention further provides an elevator protection net, which includes any one of the anti-winding net-collecting structures described above, and further includes lifting ropes 11 fixedly disposed on the left and right sides in an elevator shaft, and a protection net 10 connected between the lifting ropes 11 on the left and right sides, wherein the upper and lower ends of the lifting ropes 11 are respectively connected to a top floor at the top end and a bottom floor at the bottom end of the elevator shaft, the protection net 10 extends along the lifting ropes 11 from the top floor to the bottom floor and covers each elevator shaft opening 20, the anti-winding net-collecting structure includes two sets and is respectively disposed above and below one of the left and right sides of an elevator car 30, and tensioning wheels 40 are respectively disposed above and below the other of the left and right sides of the elevator car 30; wherein,
when the elevator car 30 ascends or descends to the current hoistway entrance 20, the lifting ropes 11 on one of the left and right sides of the protection net 10 are stored along the upper anti-winding net-collecting structure, the upper tensioning wheel 40, the lower tensioning wheel 40 and the lower anti-winding net-collecting structure to the other of the left and right sides of the protection net 10, so as to open the current hoistway entrance 20;
when the elevator car 30 continues to ascend or descend and leaves the current hoistway entrance 20, the lifting ropes 11 on one of the left and right sides of the protection net 10 are released and unfolded from the other of the left and right sides to one of the left and right sides along the lower anti-winding net-collecting structure, the lower tensioning wheel 40, the upper tensioning wheel 40, and the upper anti-winding net-collecting structure, so as to cover the current hoistway entrance 20.
In this embodiment, the receiving teeth of the receiving gear 50 are exposed from the side opening of the gear cover 70, and when the elevator car 30 ascends or descends to the current hoistway entrance 20, the receiving teeth are inserted into the mesh holes of the protection net 10, so that the protection net 10 of the current hoistway entrance 20 is received from one of the left and right sides to the other of the left and right sides in the rotation process of the receiving gear 50 along with the movement of the elevator car, and when the elevator car 30 leaves the current hoistway entrance 20, the mesh holes of the protection net 10 are separated from the receiving teeth and are released and spread from the other of the left and right sides to one of the left and right sides, so as to cover the current hoistway entrance 20.
The longitudinal installation distance between the anti-winding net collecting structure 50, 60, 70 and the elevator car 30 is larger than the longitudinal installation distance between the tension pulley 40 and the elevator car 30.
The elevator car 30 is further provided with a lifting rope guide groove 31, the lifting rope guide groove 31 is arranged at one or more of the following positions: between the upper tensioning wheel 40 and the upper anti-winding net-collecting structure 50, 60, 70, between the upper tensioning wheel 40 and the lower tensioning wheel 40, and between the lower tensioning wheel 40 and the lower anti-winding net-collecting structure 50, 60, 70.
The top floor and the bottom floor are respectively and fixedly provided with a lifting ring, and two ends of the lifting rope 11 are respectively connected with the lifting ring on the top floor and the lifting ring on the bottom floor. In this embodiment, the lifting ropes 11 are two, namely a left lifting rope and a right lifting rope, and the protection net is arranged between the left lifting rope and the right lifting rope. The protective net 10 extends from the top floor to the bottom floor along the lifting ropes 11 and covers each hoistway entrance 20, which means that the area of the protective net does not need to cover the whole hoistway, and only needs to cover all the hoistway entrances 20, that is, the width of the left side and the right side of the protective net can be slightly larger than the width of the hoistway entrance 20, and the height of the upper end and the lower end of the protective net only needs to be slightly higher than the top end of the hoistway entrance 20 on the top floor and slightly lower than the bottom end of the hoistway entrance on the bottom floor. Therefore, the protective screen can be positioned right in front of the corresponding hoistway entrance 20 when being extended and completely cover the right in front of the hoistway entrance 20, and people can be effectively prevented from entering the hoistway when the hoistway entrance is invalid, so that the safety is higher.
In this embodiment, the anti-winding storage structure includes two sets and is respectively disposed above and below the left side of the elevator car 30, and the tension pulley 40 includes two sets and is respectively disposed above and below the right side of the elevator car 30, so that the protection net 10 is stored from the left side to the right side during the ascending or descending process of the elevator car 30; conversely, the anti-wind housing structure may be provided on the right side of the elevator car 30, and the tension pulley 40 may be provided on the left side of the elevator car 30, so that the protection net 10 may be housed from the right side to the left side during the ascent or descent of the elevator car 30. Further, another tension pulley may be added between the upper anti-wind housing structure and the upper tension pulley 40, between the lower anti-wind housing structure and the lower tension pulley 40, or between the upper tension pulley and the lower tension pulley, as necessary.
The operation process of the elevator protective net of the invention is briefly described as follows:
when the elevator car 30 ascends to the current hoistway entrance 20, the lifting ropes 11 on one of the left and right sides of the protection net 10 are received along one of the guide pulleys 60 of the upper anti-winding net receiving structure, the receiving gear 50, the other of the guide pulleys 60, the upper tension pulley 40, the lower tension pulley 40, one of the guide pulleys 60 of the lower anti-winding net receiving structure, the receiving gear 50, and the other of the guide pulleys 60 to open the current hoistway entrance 20 by receiving the protection net 10 on the other of the left and right sides;
when the elevator car 30 continues to ascend and leave the current hoistway entrance 20, the lifting ropes 11 on one of the left and right sides of the protection net 10 are released and unfolded from the other of the left and right sides of the protection net 10 to one of the left and right sides along one of the guide pulleys 60 of the lower anti-winding net-collecting structure, the storage gear 50, the other of the guide pulleys 60, the lower tensioning pulley 40, the upper tensioning pulley 40, one of the guide pulleys 60 of the upper anti-winding net-collecting structure, the storage gear 50, and the other of the guide pulleys 60, so as to cover the current hoistway entrance 20;
when the elevator car 30 descends to the current hoistway entrance 20, the lifting ropes 11 on one of the left and right sides of the protection net 10 are received along one of the guide pulleys 60 of the lower anti-winding net receiving structure, the receiving gear 50, the other of the guide pulleys 60, the lower tensioning pulley 40, the upper tensioning pulley 40, one of the guide pulleys 60 of the upper anti-winding net receiving structure, the receiving gear 50, and the other of the guide pulleys 60, to the other of the left and right sides of the protection net 10, so as to open the current hoistway entrance 20;
when the elevator car 30 continues to descend and leave the current hoistway entrance 20, the lifting ropes 11 on one of the left and right sides of the protection net 10 are released and unfolded from the other of the left and right sides to one of the left and right sides along one of the guide pulleys 60 of the upper anti-winding net-collecting structure, the storage gear 50, the other of the guide pulleys 60, the upper tension pulley 40, the lower tension pulley 40, one of the guide pulleys 60 of the lower anti-winding net-collecting structure, the storage gear 50, and the other of the guide pulleys 60, so as to cover the current hoistway entrance 20.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The anti-winding net collecting structure is characterized by comprising a collecting gear (50), a guide wheel (60) and a gear cover (70), wherein the collecting gear (50) and the guide wheel (60) are arranged in the gear cover (70); the gear cover (70) is at least provided with a side opening, the accommodating gear (50) is arranged in the middle of the side opening, and the accommodating gear (50) is exposed out of the side opening; the guide wheel (60) comprises more than two sides which are respectively arranged on the two sides of the containing gear (50).
2. The anti-wind net collecting structure according to claim 1, characterized in that: the guide wheel (60) is disposed at a corner of the gear cover (70).
3. The anti-wind net collecting structure according to claim 1, characterized in that: the gear cover (70) comprises a face cover (71) and a back plate (72) which are mutually locked and connected, and the outer surface of the face cover (71) adopts a smooth arc surface.
4. The anti-wind net collecting structure according to claim 3, wherein: the inner surface of the face mask (71) is provided with a receiving gear pivot shaft (711) for attaching the receiving gear (50) and a guide wheel pivot shaft (712) for attaching the guide wheel (60), and the back plate (72) is provided with pivot holes at positions corresponding to the receiving gear pivot shaft (711) and the guide wheel pivot shaft (712).
5. An elevator protection net, characterized by comprising the anti-winding net-collecting structure according to any one of claims 1 to 4, further comprising lifting ropes (11) fixedly arranged at the left and right sides in an elevator shaft and a protection net (10) connected between the lifting ropes (11) at the left and right sides, wherein the upper and lower ends of the lifting ropes (11) are respectively connected with a top floor at the top end and a bottom floor at the bottom end of the elevator shaft, the protection net (10) extends from the top floor to the bottom floor along the lifting ropes (11) and covers each elevator shaft opening (20), the anti-winding net-collecting structure comprises two groups and is respectively arranged above and below one of the left and right sides of an elevator car (30), and tensioning wheels (40) are respectively arranged above and below the other of the left and right sides of the elevator car (30); wherein,
when the elevator car (30) ascends or descends to the current elevator hall opening (20), the lifting ropes (11) on one of the left side and the right side of the protective net (10) are stored towards the other of the left side and the right side of the protective net (10) along the upper anti-winding net-collecting structures (50, 60 and 70), the upper tensioning wheel (40), the lower tensioning wheel (40) and the lower anti-winding net-collecting structures (50, 60 and 70) so as to open the current elevator hall opening (20);
when the elevator car (30) continues to ascend or descend and leaves the current elevator hall entrance (20), the lifting ropes (11) on one of the left side and the right side of the protection net (10) are released and unfolded from the other of the left side and the right side to one of the left side and the right side along the lower anti-winding net collecting structure (50, 60, 70), the lower tensioning wheel (40), the upper tensioning wheel (40) and the upper anti-winding net collecting structure (50, 60, 70) so as to cover the current elevator hall entrance (20).
6. An elevator protection net according to claim 5, characterized in that: the top floor and the bottom floor are respectively and fixedly provided with a lifting ring, and two ends of the lifting rope (11) are respectively connected with the lifting ring on the top floor and the lifting ring on the bottom floor.
7. An elevator protection net according to claim 5, characterized in that: the periphery of the storage gear (50) is provided with storage teeth, the storage teeth are exposed out of a side opening of the gear cover (70), when the elevator car (30) ascends or descends to the current elevator hall opening (20), the storage teeth are inserted into grid holes of the protective net (10) so as to store the protective net (10) of the current elevator hall opening (20) from one of the left side and the right side to the other of the left side and the right side in the rotating process of the storage gear (50) along with the movement of the elevator car, and when the elevator car (30) leaves the current elevator hall opening (20), the grid holes of the protective net (10) are separated from the storage teeth and released and unfolded from the other of the left side and the right side to one of the left side and the right side so as to cover the current elevator hall opening (20).
8. An elevator protection net according to claim 5, characterized in that: accomodate gear (50) and be equipped with and accomodate the groove, leading wheel (60) are equipped with the guide way, lifting rope (11) pass in proper order accomodate the guide way of gear (50) one side accomodate the groove accomodate the guide way of gear (50) opposite side.
9. An elevator protection net according to any one of claims 5 to 8, characterized in that: the longitudinal installation distance between the anti-winding net collecting structure (50, 60, 70) and the elevator car (30) is larger than the longitudinal installation distance between the tension wheel (40) and the elevator car (30).
10. An elevator protection net according to any one of claims 5 to 8, characterized in that: the elevator car (30) is further provided with a lifting rope guide groove (31), and the lifting rope guide groove (31) is arranged at more than one of the following positions: the upper anti-winding net retracting structure (50, 60, 70) is arranged between the upper tensioning wheel (40), the upper tensioning wheel (40) is arranged between the lower tensioning wheel (40), and the lower tensioning wheel (40) is arranged between the lower anti-winding net retracting structure (50, 60, 70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339414.0A CN107055244A (en) | 2017-05-15 | 2017-05-15 | A kind of elevator protection network and its antiwind receipts web frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710339414.0A CN107055244A (en) | 2017-05-15 | 2017-05-15 | A kind of elevator protection network and its antiwind receipts web frame |
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| CN107055244A true CN107055244A (en) | 2017-08-18 |
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| CN201710339414.0A Pending CN107055244A (en) | 2017-05-15 | 2017-05-15 | A kind of elevator protection network and its antiwind receipts web frame |
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| JP2005298151A (en) * | 2004-04-13 | 2005-10-27 | Mitsubishi Electric Building Techno Service Co Ltd | Movable landing device for elevator for base isolation building |
| CN101081327A (en) * | 2007-06-25 | 2007-12-05 | 陈建元 | Pulley speed reducing type slowly lowering machine |
| CN101230838A (en) * | 2007-11-19 | 2008-07-30 | 黄金伦 | Sun gear synchronous variable-pitch |
| CN101457874A (en) * | 2009-01-06 | 2009-06-17 | 福建锐霸机电有限公司 | Illuminating apparatus of electric generator |
| CN103933676A (en) * | 2013-01-22 | 2014-07-23 | 黎鹏 | Stop rod type reciprocating high-rise escape device |
| CN203439963U (en) * | 2013-08-29 | 2014-02-19 | 太重（天津）滨海重型机械有限公司 | Folding arm crane head winding device |
| CN106219369A (en) * | 2016-09-26 | 2016-12-14 | 毛小明 | Elevator protection network |
| CN206088700U (en) * | 2016-09-26 | 2017-04-12 | 毛小明 | Elevator protection network |
| CN206857900U (en) * | 2017-05-15 | 2018-01-09 | 安如磐（厦门）科技有限公司 | A kind of elevator protection network and its antiwind receipts web frame |
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Application publication date: 20170818 |