CN112707271A - Elevator installation - Google Patents
Elevator installation Download PDFInfo
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- CN112707271A CN112707271A CN202110062668.9A CN202110062668A CN112707271A CN 112707271 A CN112707271 A CN 112707271A CN 202110062668 A CN202110062668 A CN 202110062668A CN 112707271 A CN112707271 A CN 112707271A
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- cage
- traction
- counterweight
- traction cable
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- 238000009434 installation Methods 0.000 title description 6
- 239000000725 suspension Substances 0.000 claims abstract description 86
- 239000000872 buffer Substances 0.000 claims description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 30
- 238000009825 accumulation Methods 0.000 claims description 13
- 238000012806 monitoring device Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 12
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 15
- 230000006978 adaptation Effects 0.000 description 9
- 238000005034 decoration Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 238000000151 deposition Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/068—Cable weight compensating devices
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The application discloses elevator equipment, which comprises a well, a top beam, a suspension cage, a balance weight, a traction machine, a first guide wheel set and a second guide wheel set, wherein the first guide wheel set and the second guide wheel set are installed on the top beam; one end of the first traction cable passes through the traction cable locking device and then is connected with the first coded disc, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the balance weight downwards; one end of the second traction rope is relatively fixed with the lower end of the counterweight, the other end of the second traction rope bypasses the traction machine and then upwards bypasses the second guide wheel set, and then the traction machine is downwards fixed with the counterweight, and the traction machine and the second guide wheel set can exchange positions. The cage and the counter weight of the elevator equipment are located in the well, the construction progress is not influenced by the external environment, the cage can be used in the well all the time, the basement can be operated, and different building appearance structures can be adapted.
Description
Technical Field
The invention relates to construction equipment for constructional engineering, in particular to elevator equipment.
Background
The existing construction elevator is generally positioned outside a building, and can run up and down by guiding and supporting a cage of people or goods by virtue of a standard section, the outdoor elevator is greatly influenced by weather, generally adopts a hoisting steel wire rope or a rack and pinion direct drive, the existing domestic construction elevator (SC type construction elevator) is basically a rack and pinion construction elevator, the energy consumption of the elevator is high, the running noise is high, the standard section and the building body are frequently in flexible connection, the safety and reliability of the elevator are reduced in the weather of strong wind, rain and snow, the whole equipment is outdoors, and the surface protection requirement on the equipment is also high.
Disclosure of Invention
The present invention addresses the above-mentioned problems and proposes an elevator apparatus.
The technical scheme adopted by the invention is as follows:
an elevator apparatus includes a hoistway, a top rail, a cage, a counterweight, a traction machine, and a first guide wheel set mounted on the top rail, the cage and the counterweight being located in the hoistway; the traction machine is positioned on one side of the counterweight;
the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage;
the elevator equipment further comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, the second coded disc is fixed on the balance weight, and the first coded disc and the second coded disc are manual coded discs or automatic coded discs; one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the balance weight downwards; one end of the second traction cable is relatively fixed with the lower end of the counterweight, passes through the traction cable locking device and is connected with the second code disc; the traction machine directly drags the counterweight to move through the second traction rope, so as to drive the suspension cage to move up and down to realize indirect dragging;
the hoisting device is characterized in that the top beam is also provided with a second guide wheel set, the traction machine is positioned at the bottom of the well and fixed in or outside the well, a fixing base of the traction machine is provided with a tensioning device, and the other end of the second traction cable bypasses the traction machine, then bypasses the second guide wheel set upwards and then is fixed with the counterweight downwards; or the traction machine is arranged on the top beam, a second guide wheel set is arranged at the bottom of the well, a fixed base of the second guide wheel set is provided with a tensioning device, and the other end of the second traction rope bypasses the second guide wheel set, then upwards bypasses the traction machine and then is downwards fixed with the balance weight;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
The cage and the counter weight of lift equipment are located the well, and the construction progress does not receive external environment's influence, and current outdoor lift can't move the basement, also difficult adaptation building outward appearance singular operating mode, and outdoor lift generally need demolish when the outer facade of building decoration, and the cage of this application can use always in the well, can move the basement, also can adapt to different building appearance structures. The elevator equipment adopts indirect drive, and the hauler directly drags the counter weight motion through the second haulage cable promptly to drive the cage and move from top to bottom, this application has reduced the cycle number and the quantity of haulage cable through two sections haulage cable combinations, has reduced the reactive power loss that haulage cable system quality caused, has improved the operating efficiency.
The code wheel of this application is used for depositing the surplus that corresponds the haulage cable, and when the high gradual increase of building body, can be through the haulage cable surplus of depositing in the release code wheel, constantly adjust the length of haulage cable and guiding mechanism's length.
During the actual application, the traction cable of this application can be for the vice material structure of friction transmission such as wire rope, steel band or package plastic wire rope, chain.
In one embodiment of the present invention, the upper end of the counterweight has two rope end combinations, the lower end of the counterweight has one rope end combination, the first traction rope is fixed to the upper end of the counterweight through the corresponding rope end combination, and the two ends of the second traction rope are respectively fixed to the rope end combinations corresponding to the upper end of the counterweight and the lower end of the counterweight; the balance of the first traction cable is fixed on the suspension cage through the first coded disc, and the balance of the second traction cable is fixed on the balance weight through the second coded disc.
In one embodiment of the present invention, the elevator apparatus further includes a third code wheel fixed to the cage or the counterweight, and a compensation cable having one end fixed to the counterweight and the other end fixed to the cage, wherein the remaining amount of the compensation cable is stored in the third code wheel.
When the lifting height is higher, the reactive power consumption is reduced by the weight of the compensation traction cable, and the length of the compensation cable is continuously adjusted according to the height of the hoistway.
In one embodiment of the present invention, the control system of the traction machine includes an energy feedback device and a power failure emergency rescue device, and the fixing base of the traction machine is provided with a tensioning device; the traction machine is a permanent magnet synchronous gearless traction machine, a three-phase asynchronous geared traction machine, a servo linear motor or a direct current motor.
In an embodiment of the invention, the first guide wheel set includes one or more first guide wheels, and the second guide wheel set includes one or more second guide wheels.
In one embodiment of the present invention, the elevator apparatus further comprises a water accumulation monitoring device disposed at the bottom of the hoistway;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the balance weight, and the two buffers are provided with traction cable elongation fracture protection;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
The application also discloses another elevator device, which comprises a hoistway, a top beam, a suspension cage, a counterweight, a traction machine and a first guide wheel set arranged on the top beam, wherein the suspension cage and the counterweight are positioned in the hoistway, the traction machine is fixed at the bottom of the hoistway, the wall surface or the outside of the hoistway, a fixed base of the traction machine is provided with a tensioning device, a first lower wheel set is arranged at the lower end of the suspension cage, a second lower wheel set is arranged at the lower end of the counterweight, and the traction machine drives the suspension cage and the counterweight to run up and down interactively by dragging a second traction cable;
the elevator equipment also comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, and the second coded disc is positioned on one side of the cage or the counterweight and is fixed in or outside the hoistway; the first coded disc and the second coded disc are manual coded discs or automatic coded discs;
one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the balance weight downwards; the first end of the second traction cable is relatively fixed below the well and is connected with the second yard disc after passing through the traction cable locking device, the second end of the second traction cable is wound on the first lower wheel set of the suspension cage, then the second traction cable bypasses the traction machine and then upwards bypasses the second lower wheel set of the counterweight, and finally the second traction cable is fixed with the traction cable tensioning device of the well pit through the rope head combination;
the rope head combination is provided with a traction rope tension adjusting device;
the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage;
the first guide wheel set comprises one or more first guide wheels, the first lower wheel set comprises one or more first lower wheels, and the second lower wheel set comprises one or more second lower wheels;
the elevator equipment also comprises a water accumulation monitoring device arranged at the bottom of the well;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the top beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain.
The cage and the counter weight of lift equipment are located the well, and the construction progress does not receive external environment's influence, and current outdoor lift can't move the basement, also difficult adaptation building outward appearance singular operating mode, and outdoor lift generally need demolish when the outer facade of building decoration, and the cage of this application can use always in the well, can move the basement, also can adapt to different building appearance structures. The elevator equipment adopts a suspension cage and a balance weight which are respectively arranged at two sides of a traction machine, the suspension cage, the balance weight and the traction machine are connected through a second traction cable, and the traction cable and the traction machine generate friction force by means of the gravity of the suspension cage, the balance weight and the traction machine, so that traction transmission is realized; energy consumption is reduced compared to outdoor elevators.
In one embodiment of the present invention, the elevator apparatus further includes a third guide pulley set installed at a lower portion of the hoistway, the third guide pulley set is below the counterweight, the third guide pulley set includes at least two third guide pulleys, a second end of the second traction cable is wound around the first lower pulley set of the cage, then the second traction cable is wound around the third guide pulley set and the traction machine, and then the second traction cable is wound around the second lower pulley set of the counterweight upward, and finally the second traction cable is fixed to the traction cable tensioning device of the hoistway pit through a rope head assembly, and the third guide pulley set is used for adjusting a wrap angle of the second traction cable on the traction machine of the traction machine.
The application also discloses another elevator device, which comprises a hoistway, a top beam, a suspension cage, a balance weight, a traction machine and a first guide wheel set arranged on the top beam, wherein the suspension cage and the balance weight are positioned in the hoistway;
the elevator equipment also comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, and the second coded disc is positioned on one side of the cage or the counterweight and is fixed in or outside the hoistway; the first coded disc and the second coded disc are manual coded discs or automatic coded discs;
one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the upper end of the balance weight downwards through the rope head combination; the first end of the second traction cable is relatively fixed below the hoistway and is connected with the second wharf plate after passing through the traction cable locking device, the second end of the second traction cable is wound on the first lower wheel set of the suspension cage firstly and then is fixed with the lower end of the counterweight through the rope head combination upwards after passing through the traction machine, and the traction machine drives the suspension cage and the counterweight to run up and down in an interactive mode by dragging the second traction cable;
the rope head combination is provided with a traction rope tension adjusting device;
the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage;
the first guide wheel set comprises one or more first guide wheels, and the first lower wheel set comprises one or more first lower wheels;
the elevator equipment also comprises a water accumulation monitoring device arranged at the bottom of the well;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
The cage and the counter weight of lift equipment are located the well, and the construction progress does not receive external environment's influence, and current outdoor lift can't move the basement, also difficult adaptation building outward appearance singular operating mode, and outdoor lift generally need demolish when the outer facade of building decoration, and the cage of this application can use always in the well, can move the basement, also can adapt to different building appearance structures. The elevator equipment adopts a suspension cage and a balance weight which are respectively arranged at two sides of a traction machine, the suspension cage, the balance weight and the traction machine are connected through a traction cable, and the traction cable and the traction machine generate friction force by means of the gravity of the suspension cage, the balance weight and the traction machine, so that traction transmission is realized; energy consumption is reduced compared to outdoor elevators.
The application also discloses another elevator device, which comprises a hoistway, a top beam, a suspension cage, a balance weight, a traction machine and a first guide wheel set arranged on the top beam, wherein the suspension cage and the balance weight are positioned in the hoistway;
the elevator equipment further comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, the second coded disc is also fixed on the cage, and the first coded disc and the second coded disc are manual coded discs or automatic coded discs;
one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the upper end of the balance weight downwards through the rope head combination; the first end of the second traction cable is fixed relative to the lower end of the suspension cage and is connected with the second stacking plate after passing through the traction cable locking device, the second end of the second traction cable downwards bypasses the fourth guide wheel and the traction machine and then is fixed with the lower end of the counterweight through the rope head combination, or the second end of the second traction cable downwards bypasses the fourth guide wheel and then bypasses the traction machine and then is fixed with the lower end of the counterweight through the rope head combination;
the traction machine drives the suspension cage and the balance weight to run up and down alternately by dragging a second traction rope, and the rope head combination is provided with a traction rope tension adjusting device;
the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage;
the first guide wheel set comprises one or more first guide wheels, and the fourth guide wheel set comprises one or more fourth guide wheels;
the elevator equipment also comprises a water accumulation monitoring device arranged at the bottom of the well;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
The cage and the counter weight of lift equipment are located the well, and the construction progress does not receive external environment's influence, and current outdoor lift can't move the basement, also difficult adaptation building outward appearance singular operating mode, and outdoor lift generally need demolish when the outer facade of building decoration, and the cage of this application can use always in the well, can move the basement, also can adapt to different building appearance structures. The elevator equipment adopts a suspension cage and a balance weight which are respectively arranged at two sides of a traction machine, the suspension cage, the balance weight and the traction machine are connected through a traction cable, and the traction cable and the traction machine generate friction force by means of the gravity of the suspension cage, the balance weight and the traction machine, so that traction transmission is realized; energy consumption is reduced compared to outdoor elevators.
The invention has the beneficial effects that: the cage and the counter weight of lift equipment are located the well, and the construction progress does not receive external environment's influence, and current outdoor lift can't move the basement, also difficult adaptation building outward appearance singular operating mode, and outdoor lift generally need demolish when the outer facade of building decoration, and the cage of this application can use always in the well, can move the basement, also can adapt to different building appearance structures.
Description of the drawings:
fig. 1 is a schematic view of a first elevator apparatus of embodiment 1;
fig. 2 is a schematic view of a second elevator apparatus of embodiment 1;
fig. 3 is a schematic view of a third elevator apparatus according to embodiment 1;
fig. 4 is a schematic view of a fourth elevator apparatus according to embodiment 1;
fig. 5 is a schematic view of a first elevator apparatus of embodiment 2;
fig. 6 is a schematic view of a second elevator apparatus of embodiment 2;
fig. 7 is a schematic view of an elevator apparatus of embodiment 3;
fig. 8 is a schematic view of an elevator apparatus of embodiment 4.
The figures are numbered:
1. a hoistway; 2. a top beam; 3. a suspension cage; 4. balancing weight; 5. a traction machine; 6. a first guide wheel set; 7. a first traction cable; 8. a second traction cable; 9. a first code wheel; 10. a second code wheel; 11. a second guide wheel set; 12. a third code wheel; 13. a compensating cable; 14. a guide mechanism; 15. an overspeed protection device; 16. a water accumulation monitoring device; 17. a first lower wheel set; 18. a second lower wheel set; 19. a third guide wheel set; 20. a fourth guide wheel set; 21. combining rope ends; 22. a traction rope tensioning device and 23 a traction machine base tensioning device.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, an elevator apparatus includes a hoistway 1, an upper beam 2, a cage 3, a counterweight 4, a traction machine 5, and a first guide wheel set 6 mounted on the upper beam 2, the cage 3 and the counterweight 4 being located in the hoistway 1; the traction machine 5 is positioned on one side of the counterweight 4;
the elevator apparatus further comprises a guide mechanism 14 for the cage 3 and the counterweight 4 to run up and down; the cage 3 or the arrangement 4 is provided with an overspeed protection device 15 which is matched with the guide mechanism 14, and the overspeed protection device 15 is fixed at the upper part or the lower part of the cage 3;
the elevator equipment further comprises a first traction cable 7, a second traction cable 8, a first coded disc 9 and a second coded disc 10, wherein the first coded disc 9 is fixed on the cage 3, the second coded disc 10 is fixed on the counterweight 4, the first coded disc 9 and the second coded disc 10 are manual coded discs or automatic coded discs, the balance of the first traction cable is fixed on the cage through the first coded disc, and the balance of the second traction cable is fixed on the counterweight through the second coded disc; one end of a first traction cable 7 is fixed relative to the suspension cage 3, is connected with a first coded disc 9 after passing through a traction cable locking device, and the other end of the first traction cable 7 upwards bypasses a first guide wheel group 6 and then is connected with a balance weight 4 downwards; one end of a second traction rope 8 is relatively fixed with the lower end of the counterweight 4, passes through the traction rope locking device and is connected with a second code wheel 10; the traction machine 5 directly drags the counterweight 4 to move through a second traction rope, so as to drive the suspension cage 3 to move up and down to realize indirect dragging.
The top beam 2 is also provided with a second guide wheel set 11, the traction machine 5 is positioned at the bottom of the well 1 and fixed in the well 1 or outside the well 1, a fixing base of the traction machine 5 is provided with a tensioning device, and the other end of the second traction rope 8 bypasses the traction machine 5, then bypasses the second guide wheel set 11 upwards and then is fixed with the balance weight 4 downwards;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
The code wheel of this application is used for depositing the surplus that corresponds the haulage cable, and when the height of building body was crescent gradually, can be through the haulage cable surplus of depositing in the release code wheel, constantly adjust the length of haulage cable and guiding mechanism 14's length.
During the actual application, the traction cable of this application can be for the vice material structure of friction transmission such as wire rope, steel band or package plastic wire rope, chain.
In actual use, the positions of the traction machine 5 and the second guide wheel set 11 can be interchanged, as shown in fig. 2, that is, the traction machine 5 is installed on the top beam 2, the second guide wheel set 11 is installed at the bottom of the hoistway 1, and the other end of the second traction rope 8 bypasses the second guide wheel set 11, then bypasses the traction machine 5 upwards, and then is fixed with the counterweight 4 downwards.
In actual use, the fixed base of the second guide wheel set is provided with the tensioning device 23, and the wheel seat of the second guide wheel set is provided with the tensioning device.
In practice, the elevator installation may further comprise a third tray 12 and a compensating rope 13, as shown in fig. 3 and 4, the third tray 12 being fixed to the cage 3 or the counterweight 4, the compensating rope 13 being fixed at one end to the counterweight 4 and at the other end to the cage 3, the remainder of the compensating rope 13 being stored on the third tray 12. When the lifting height is high, the weight of the traction rope can be compensated through the compensation rope, and the length of the traction rope can be continuously adjusted according to the height of the hoistway 1 through the third coded disc 12.
As shown in fig. 1 to 4, in the present embodiment, the upper end of the counterweight 4 has two rope end combinations 21, the lower end of the counterweight 4 has one rope end combination 21, the first traction rope 7 is fixed to the upper end of the counterweight 4 through the corresponding rope end combination 21, and the two ends of the second traction rope 8 are respectively fixed to the rope end combinations 21 corresponding to the upper end of the counterweight 4 and the lower end of the counterweight 4.
When the tractor is actually used, a control system of the tractor 5 comprises an energy feedback device and a power failure emergency rescue device; the traction machine 5 is a permanent magnet synchronous gearless traction machine 5, a three-phase asynchronous geared traction machine 5, a servo linear motor or a direct current motor.
In practical use, the first guide wheel set 6 comprises one or more first guide wheels, and the second guide wheel set 11 comprises one or more second guide wheels.
In actual use, the elevator equipment further comprises a water accumulation monitoring device 16 arranged at the bottom of the well 1;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the balance weight, and the two buffers are provided with traction cable elongation fracture protection;
a camera of the Internet of things module is arranged in the cage 3, a locking mechanism is arranged at the door of the cage 3, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and an anti-pinch protection device is arranged at the door of the cage 3;
the top beam 2 is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastic telescopic or fixed.
Example 2
As shown in fig. 5, the embodiment discloses an elevator apparatus, which includes a hoistway 1, a top beam 2, a cage 3, a counterweight 4, a traction machine 5, and a first guide wheel set 6 installed on the top beam 2, wherein the cage 3 and the counterweight 4 are located in the hoistway 1, the traction machine 5 is fixed at the bottom of the hoistway 1, on the wall surface, or outside the hoistway 1, a fixing base of the traction machine 5 is provided with a tensioning device, a first lower wheel set 17 is installed at the lower end of the cage 3, a second lower wheel set 18 is installed at the lower end of the counterweight 4, and the traction machine drives the cage 3 and the counterweight 4 to run up and down alternately by dragging a second traction cable;
the elevator equipment further comprises a first traction cable 7, a second traction cable 8, a first coded disc 9 and a second coded disc 10, wherein the first coded disc 9 is fixed on the cage 3, and the second coded disc 10 is positioned on one side of the cage 3 or the counterweight 4 and fixed in the hoistway 1 or outside the hoistway 1; the first code disc 9 and the second code disc 10 are manual code discs or automatic code discs;
one end of a first traction cable 7 is fixed relative to the suspension cage 3, is connected with a first coded disc 9 after passing through a traction cable locking device, and the other end of the first traction cable 7 upwards bypasses a first guide wheel group 6 and then is connected with a balance weight 4 downwards; the first end of a second traction rope 8 is relatively fixed below the well 1 and is connected with a second yard disk 10 after passing through a traction rope locking device, the second end of the second traction rope 8 is wound on a first lower wheel set 17 of the suspension cage 3, then the second traction rope passes through the traction machine 5 and then a second lower wheel set 18 of the counterweight 4, and finally the second traction rope is fixed with a traction rope tensioning device 22 of a pit of the well 1 through a rope head combination 21;
the rope end combination 21 is provided with a traction rope tension adjusting device;
the elevator apparatus further comprises a guide mechanism 14 for the cage 3 and the counterweight 4 to run up and down; the cage 3 or the arrangement 4 is provided with an overspeed protection device 15 which is matched with the guide mechanism 14, and the overspeed protection device 15 is fixed at the upper part or the lower part of the cage 3;
the first guide wheel group 6 comprises one or more first guide wheels, the first lower wheel group 17 comprises one or more first lower wheels, and the second lower wheel group 18 comprises one or more second lower wheels;
the elevator installation also comprises a water accumulation monitoring device 16 arranged at the bottom of the shaft 1;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
a camera of the Internet of things module is arranged in the cage 3, a locking mechanism is arranged at the door of the cage 3, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and an anti-pinch protection device is arranged at the door of the cage 3;
the top beam 2 is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain.
As shown in fig. 6, in practical use, the elevator apparatus may further include a third guide wheel set 19 installed at a lower portion of the hoistway 1, the third guide wheel set 19 is below the counterweight 4, the third guide wheel set 19 includes at least two third guide wheels, a second end of the second traction rope 8 is wound around the first lower wheel set 17 of the cage 3, then the second lower wheel set 18 is wound around the third guide wheel set 19 and the traction machine 5 and then wound up the counterweight 4, and finally the second traction rope is fixed to the traction rope tensioning device 22 in the pit of the hoistway 1 through the rope head assembly 21, and the third guide wheel set 19 is used for adjusting a wrap angle of the second traction rope 8 on the traction machine 5 and the traction machine 5.
Example 3
As shown in fig. 7, the present embodiment discloses an elevator apparatus, which includes a hoistway 1, a top beam 2, a cage 3, a counterweight 4, a traction machine 5, and a first guide wheel set 6 mounted on the top beam 2, wherein the cage 3 and the counterweight 4 are located in the hoistway 1, the traction machine 5 is fixed at the bottom of the hoistway 1, on a wall surface, or outside the hoistway 1, a fixing base of the traction machine 5 is provided with a tensioning device, and a first lower wheel set 17 is mounted at the lower end of the cage 3;
the elevator equipment further comprises a first traction cable 7, a second traction cable 8, a first coded disc 9 and a second coded disc 10, wherein the first coded disc 9 is fixed on the cage 3, and the second coded disc 10 is positioned on one side of the cage 3 or the counterweight 4 and fixed in the hoistway 1 or outside the hoistway 1; the first code disc 9 and the second code disc 10 are manual code discs or automatic code discs;
one end of a first traction cable 7 is fixed relative to the suspension cage 3, is connected with the first coded disc 9 after passing through the traction cable locking device, and the other end of the first traction cable 7 upwards bypasses the first guide wheel group 6 and then is connected with the upper end of the counterweight 4 through a rope head combination 21; the first end of a second traction cable 8 is relatively fixed below the hoistway 1 and is connected with a second yard disc 10 after passing through a traction cable locking device, the second end of the second traction cable 8 is wound on a first lower wheel set 17 of the suspension cage 3, then the second end of the second traction cable passes through a traction machine 5 and is fixed with the lower end of the counterweight 4 through a rope head combination 21 upwards, and the traction machine drives the suspension cage and the counterweight to run up and down alternately by dragging the second traction cable;
the rope end combination 21 is provided with a traction rope tension adjusting device;
the elevator apparatus further comprises a guide mechanism 14 for the cage 3 and the counterweight 4 to run up and down; the cage 3 or the arrangement 4 is provided with an overspeed protection device 15 which is matched with the guide mechanism 14, and the overspeed protection device 15 is fixed at the upper part or the lower part of the cage 3;
the first guide wheel group 6 comprises one or more first guide wheels, and the first lower wheel group 17 comprises one or more first lower wheels;
the elevator installation also comprises a water accumulation monitoring device 16 arranged at the bottom of the shaft 1;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
a camera of the Internet of things module is arranged in the cage 3, a locking mechanism is arranged at the door of the cage 3, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and an anti-pinch protection device is arranged at the door of the cage 3;
the top beam 2 is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain.
Example 4
As shown in fig. 8, the present embodiment discloses an elevator apparatus, which includes a hoistway 1, a top sill 2, a cage 3, a counterweight 4, a hoisting machine 5, and a first guide wheel set 6 mounted on the top sill 2, wherein the cage 3 and the counterweight 4 are located in the hoistway 1, the hoisting machine 5 is fixed at the bottom of the hoistway 1, on a wall surface, or outside the hoistway 1, a fixing base of the hoisting machine 5 is provided with a tensioning device 23, and a fourth guide wheel set 20 is mounted at the bottom of the hoistway 1;
the elevator equipment further comprises a first traction cable 7, a second traction cable 8, a first coded disc 9 and a second coded disc 10, wherein the first coded disc 9 is fixed on the cage 3, the second coded disc 10 is also fixed on the cage 3, and the first coded disc 9 and the second coded disc 10 are manual coded discs or automatic coded discs;
one end of a first traction cable 7 is fixed relative to the suspension cage 3, is connected with the first coded disc 9 after passing through the traction cable locking device, and the other end of the first traction cable 7 upwards bypasses the first guide wheel group 6 and then is connected with the upper end of the counterweight 4 through a rope head combination 21; the first end of a second traction cable 8 is relatively fixed with the lower end of the suspension cage 3, and is connected with a second wharf plate 10 after passing through a traction cable locking device, and the second end of the second traction cable 8 is fixed with the lower end of the counterweight 4 through a rope end combination 21 after downwards bypassing a fourth guide wheel and the traction machine 5; or the second end of the second traction rope downwards winds the fourth guide wheel and winds the traction machine again and then upwards and is fixed with the lower end of the counterweight through the rope head combination;
the traction machine drives the suspension cage and the balance weight to run up and down alternately by dragging the second traction rope, and the rope head combination 21 is provided with a traction rope tension adjusting device;
the elevator apparatus further comprises a guide mechanism 14 for the cage 3 and the counterweight 4 to run up and down; the cage 3 or the arrangement 4 is provided with an overspeed protection device 15 which is matched with the guide mechanism 14, and the overspeed protection device 15 is fixed at the upper part or the lower part of the cage 3;
the first guide wheel group 6 comprises one or more first guide wheels, and the fourth guide wheel group 20 comprises one or more fourth guide wheels;
the elevator installation also comprises a water accumulation monitoring device 16 arranged at the bottom of the shaft 1;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
a camera of the Internet of things module is arranged in the cage 3, a locking mechanism is arranged at the door of the cage 3, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and an anti-pinch protection device is arranged at the door of the cage 3;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the top beam 2 is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastic telescopic or fixed.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The elevator equipment is characterized by comprising a well, a top beam, a suspension cage, a counterweight, a traction machine and a first guide wheel set arranged on the top beam, wherein the suspension cage and the counterweight are positioned in the well; the traction machine is positioned on one side of the counterweight;
the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage; the elevator equipment further comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, the second coded disc is fixed on the balance weight, and the first coded disc and the second coded disc are manual coded discs or automatic coded discs; one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the balance weight downwards; one end of the second traction cable is relatively fixed with the lower end of the counterweight, passes through the traction cable locking device and is connected with the second code disc; the traction machine directly drags the counterweight to move through the second traction rope, so as to drive the suspension cage to move up and down to realize indirect dragging;
the hoisting device is characterized in that the top beam is also provided with a second guide wheel set, the traction machine is positioned at the bottom of the well and fixed in or outside the well, a fixing base of the traction machine is provided with a tensioning device, and the other end of the second traction cable bypasses the traction machine, then bypasses the second guide wheel set upwards and then is fixed with the counterweight downwards; or the traction machine is arranged on the top beam, a second guide wheel set is arranged at the bottom of the well, a fixed base of the second guide wheel set is provided with a tensioning device, and the other end of the second traction rope bypasses the second guide wheel set, then upwards bypasses the traction machine and then is downwards fixed with the balance weight;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
2. The elevator apparatus of claim 1, wherein the upper end of the counterweight has two roping arrangements, the lower end of the counterweight has one roping arrangement, the first traction cable is secured to the upper end of the counterweight by a corresponding roping arrangement, and the second traction cable has two ends secured to corresponding roping arrangements at the upper end of the counterweight and at the lower end of the counterweight, respectively; the balance of the first traction cable is fixed on the suspension cage through the first coded disc, and the balance of the second traction cable is fixed on the balance weight through the second coded disc.
3. The elevator apparatus of claim 1 further comprising a third code wheel secured to the cage or counterweight and a compensating cable having one end secured to the counterweight and the other end secured to the cage, the balance of the compensating cable being stored on said third code wheel.
4. The elevator apparatus according to claim 1, wherein the control system of the traction machine includes an energy feedback device and a power failure emergency rescue device; the traction machine is a permanent magnet synchronous gearless traction machine, a three-phase asynchronous geared traction machine, a servo linear motor or a direct current motor.
5. The elevator apparatus of claim 1, wherein the first guide wheel set comprises one or more first guide wheels and the second guide wheel set comprises one or more second guide wheels.
6. The elevator apparatus of claim 1, further comprising a water accumulation monitoring device disposed at a bottom of the hoistway;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the balance weight, and the two buffers are provided with traction cable elongation fracture protection;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
7. A kind of elevator apparatus, characterized by, including well, roof beam, cage, counter weight, hauler and installing the first guide wheelset on the roof beam, said cage and counter weight are located in well, the said hauler is fixed on bottom, wall or well outside of the well, the fixed base of the said hauler possesses the overspeed device tensioner, the lower end of the said cage installs the first lower wheelset, the lower end of the said counter weight installs the second lower wheelset, the hauler drives cage and counter weight to run alternately from top to bottom through dragging the second traction cable;
the elevator equipment also comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, and the second coded disc is positioned on one side of the cage or the counterweight and is fixed in or outside the hoistway; the first coded disc and the second coded disc are manual coded discs or automatic coded discs;
one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the balance weight downwards; the first end of the second traction cable is relatively fixed below the well and is connected with the second yard disc after passing through the traction cable locking device, the second end of the second traction cable is wound on the first lower wheel set of the suspension cage, then the second traction cable bypasses the traction machine and then upwards bypasses the second lower wheel set of the counterweight, and finally the second traction cable is fixed with the traction cable tensioning device of the well pit through the rope head combination;
the rope head combination is provided with a traction rope tension adjusting device;
the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage; the first guide wheel set comprises one or more first guide wheels, the first lower wheel set comprises one or more first lower wheels, and the second lower wheel set comprises one or more second lower wheels;
the elevator equipment also comprises a water accumulation monitoring device arranged at the bottom of the well;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the top beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain.
8. The elevator apparatus of claim 7, further comprising a third guide pulley set installed at a lower portion of the hoistway, the third guide pulley set being below the counterweight, the third guide pulley set including at least two third guide pulleys, wherein a second end of the second traction cable is wound around the first lower pulley set of the cage, then wound around the third guide pulley set and the traction machine, and then wound up around the second lower pulley set of the counterweight, and finally fixed to the traction cable tensioning device of the hoistway pit by a rope head assembly, and the third guide pulley set is used for adjusting a wrap angle of the second traction cable on the traction machine.
9. The elevator equipment is characterized by comprising a hoistway, a top beam, a suspension cage, a balance weight, a traction machine and a first guide wheel set, wherein the first guide wheel set is installed on the top beam;
the elevator equipment also comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, and the second coded disc is positioned on one side of the cage or the counterweight and is fixed in or outside the hoistway; the first coded disc and the second coded disc are manual coded discs or automatic coded discs;
one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the upper end of the balance weight downwards through the rope head combination; the first end of the second traction cable is relatively fixed below the hoistway and is connected with the second wharf plate after passing through the traction cable locking device, the second end of the second traction cable is wound on the first lower wheel set of the suspension cage firstly and then is fixed with the lower end of the counterweight through the rope head combination upwards after passing through the traction machine, and the traction machine drives the suspension cage and the counterweight to run up and down in an interactive mode by dragging the second traction cable;
the rope head combination is provided with a traction rope tension adjusting device; the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage; the first guide wheel set comprises one or more first guide wheels, and the first lower wheel set comprises one or more first lower wheels;
the elevator equipment also comprises a water accumulation monitoring device arranged at the bottom of the well;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
10. The elevator equipment is characterized by comprising a hoistway, a top beam, a suspension cage, a balance weight, a traction machine and a first guide wheel set arranged on the top beam, wherein the suspension cage and the balance weight are positioned in the hoistway;
the elevator equipment further comprises a first traction cable, a second traction cable, a first coded disc and a second coded disc, wherein the first coded disc is fixed on the cage, the second coded disc is also fixed on the cage, and the first coded disc and the second coded disc are manual coded discs or automatic coded discs;
one end of the first traction cable is fixed relative to the suspension cage, is connected with the first coded disc after passing through the traction cable locking device, and the other end of the first traction cable upwards bypasses the first guide wheel set and then is connected with the upper end of the balance weight downwards through the rope head combination; the first end of the second traction cable is fixed relative to the lower end of the suspension cage and is connected with the second stacking plate after passing through the traction cable locking device, the second end of the second traction cable downwards bypasses the fourth guide wheel and the traction machine and then is fixed with the lower end of the counterweight through the rope head combination, or the second end of the second traction cable downwards bypasses the fourth guide wheel and then bypasses the traction machine and then is fixed with the lower end of the counterweight through the rope head combination;
the traction machine drives the suspension cage and the balance weight to run up and down in an interactive mode by dragging a second traction rope, and the rope head combination is provided with a traction rope tension adjusting device; the elevator equipment also comprises a guide mechanism for the suspension cage and the counterweight to move up and down; the cage or the counterweight is provided with an overspeed protection device matched with the guide mechanism, and the overspeed protection device is fixed at the upper part or the lower part of the cage;
the first guide wheel set comprises one or more first guide wheels, and the fourth guide wheel set comprises one or more fourth guide wheels;
the elevator equipment also comprises a water accumulation monitoring device arranged at the bottom of the well;
the elevator equipment also comprises two buffers positioned at the bottom of the well, wherein one buffer is matched with the suspension cage, the other buffer is matched with the counterweight, and traction cable elongation fracture protection is arranged on the buffer matched with the counterweight;
the intelligent safety door is characterized in that a camera of the Internet of things module is arranged in the cage, a door of the cage is provided with a locking mechanism, the locking mechanism is of a manual type or an automatic type, an electric switch is verified after the door is closed in place, and the door of the cage is provided with an anti-pinch protection device;
the traction cable is a steel wire rope, a composite steel belt, a plastic-coated steel wire rope or a chain;
the roof beam is provided with a protective guardrail and a jacking limiting device, the protective guardrail is fixed or assembled, and the jacking limiting device is elastically telescopic or fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062668.9A CN112707271A (en) | 2021-01-18 | 2021-01-18 | Elevator installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062668.9A CN112707271A (en) | 2021-01-18 | 2021-01-18 | Elevator installation |
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| CN112707271A true CN112707271A (en) | 2021-04-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113233285A (en) * | 2021-06-28 | 2021-08-10 | 浙江班门机械科技有限公司 | Elevator installation |
| CN113415694A (en) * | 2021-06-28 | 2021-09-21 | 浙江班门机械科技有限公司 | Backpack type lifter |
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