CN114772424A - Method for collecting old steel wire rope in elevator steel wire rope replacement process - Google Patents
Method for collecting old steel wire rope in elevator steel wire rope replacement process Download PDFInfo
- Publication number
- CN114772424A CN114772424A CN202210526597.8A CN202210526597A CN114772424A CN 114772424 A CN114772424 A CN 114772424A CN 202210526597 A CN202210526597 A CN 202210526597A CN 114772424 A CN114772424 A CN 114772424A
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- steel wire
- rope
- wire rope
- clamp
- counterweight
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 167
- 239000010959 steel Substances 0.000 title claims abstract description 167
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004804 winding Methods 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- B66B19/00—Mining-hoist operation
- B66B19/02—Installing or exchanging ropes or cables
Abstract
The invention discloses a method for collecting an old steel wire rope in the process of replacing the steel wire rope of an elevator, which relates to the technical field of elevator maintenance and adopts the technical scheme that the method comprises the following steps: the method comprises the following steps: s1, initializing setting and primary protection; s2, secondary protection; s3, setting a first steel wire rope; s4, fixing a first steel wire rope fulcrum; s5, dragging a rope head of a first steel wire rope to the top of the lift car; s6, forming a closed loop by the first steel wire rope; s7, cutting off the counterweight steel wire rope; s8, a slightly loose rope clamp A and a rope clamp B; s9, reeling the counterweight steel wire rope; s10, fixing a steel wire rope of the lift car; s11, cutting off a steel wire rope of the elevator car; s12, rope reeling of the steel wire rope of the lift car; s13, taking up the first steel wire rope. The invention has the advantages of time and labor saving and high working efficiency by taking up the old steel wire rope in the pit.
Description
Technical Field
The invention relates to the technical field of elevator maintenance, in particular to a method for collecting an old steel wire rope in an elevator steel wire rope replacement process.
Background
The elevator safety is influenced by the aging of the steel wire rope between the elevator car and the counterweight, and the inspection and replacement of the steel wire rope are important maintenance processes in the process of maintaining the elevator.
In the prior art, when a steel wire rope is replaced in an elevator, a lift car is firstly moved to a top layer (at the moment, a counterweight is positioned in a pit, the lift car is lifted by a lifting device, after the steel wire rope is loosened, a steel wire rope fixing part on the counterweight is removed, an old steel wire rope is pulled up from the top of the lift car a little by a little, after all the steel wire ropes are pulled to the top of the lift car, the steel wire rope fixing part on the lift car is removed, the old steel wire rope is taken down, during replacement, a new steel wire rope is fixed to the top of the lift car, and after the new steel wire rope is operated to bypass a traction wheel and a guide wheel, the steel wire rope is conveyed downwards to the counterweight and is further fixed.
By the mode, when the machine room draws out the old steel wire rope, time and labor are wasted, and the efficiency is lower.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for collecting an old steel wire rope in the process of replacing the steel wire rope of an elevator, and solves the problem of low efficiency of collecting the old steel wire rope in the process of replacing the steel wire rope of the elevator in the prior art.
The technical purpose of the invention is realized by the following technical scheme: a method for collecting old steel wire ropes in the process of replacing the steel wire ropes of an elevator comprises the following steps:
s1, initialization setting and one-time protection: the lift car overhauls and runs to the top of the shaft, and the counterweight is fixed in the pit;
s2, secondary protection: cutting off a 380V main power supply of a machine room, hoisting the car by using hoisting equipment, and triggering the safety tongs by using an action speed limiter to brake the car on an elevator guide rail;
s3, setting a first steel wire rope: binding and fixing the steel wire rope on the outermost circle of the traction sheave in the machine room with other steel wire ropes on the inner circle of the traction sheave through a rope clamp A, and defining the steel wire rope on the outermost circle as a first steel wire rope;
s4, fixing a first steel wire rope fulcrum: and after one end of the first steel wire rope close to the elevator car rope head group is disassembled, the first steel wire rope is withdrawn through the machine room and separated from the traction sheave, and after a circle of steel wire rope is wound on the machine room hook again, the first steel wire rope is fixed on the machine room hook by using the rope clamp B.
S5, drawing a rope head of the first steel wire rope to the top of the car: the rope head of the fixed first steel wire rope in the S4 is pulled to the top of the car along the rope hole of the counterweight steel wire rope for standby;
s6, forming a closed loop by the first steel wire rope: and fixing the rope head of the first steel wire rope in the S5 with all the counterweight steel wire ropes under the counterweight rope head group through the rope clamp C, so that the first steel wire rope forms a closed loop.
S7, cutting the counterweight steel wire rope: cutting off all the counterweight steel wire ropes at the counterweight reverse sheave at the pit, and cutting off the counterweight steel wire ropes at the fixed counterweight rope head group ends at the car roof;
s8, slightly loosening the rope clamp A and the rope clamp B: the rope clamp A and the rope clamp B are adjusted to be loose in the machine room, so that the first steel wire rope can slide on the hook of the machine room;
s9, rope reeling of the counterweight steel wire rope: gradually releasing the first steel wire rope, so that the cut counterweight steel wire rope is lowered to the pit, loosening the rope clamp C, and taking up and winding the counterweight steel wire rope at the bottommost layer of the elevator;
s10, fixing a steel cable of the car: fixing the rope clamp A and the rope clamp B at the machine room again, and fixing the rope head of the first steel wire rope and all the cage steel wire ropes at the reverse rope pulley of the cage at the top of the cage through the rope clamp D;
s11, cutting the car wire rope of the car rope head group: cutting off all the cage steel wire ropes at the cage rope head group;
s12, car steel wire rope winding: and (4) loosening the rope clamp B at the machine room, gradually releasing the rope for the first steel wire rope, lowering the car steel wire rope to the pit, and taking up and winding the car steel wire rope at the bottommost layer of the elevator.
S13, first steel wire rope reeling: and (4) completely unfastening the rope clamp B in the machine room, and pulling out a first steel wire rope.
In one embodiment, the hoisting device in step S2 is a hoist.
In one embodiment, in step S1, the counterweight is fixed in the pit by steel pipes so that the counterweight is stationary on the counterweight guide rails, and a scaffold for workers to work is set up in the pit.
In one embodiment, the rope clamp A and the rope clamp B are the same in specification and are both U-shaped clamps, and the rope clamp C and the rope clamp D are the same in specification and are both row head clamps.
In conclusion, the invention has the following beneficial effects: in the rope collecting process, the old steel wire rope can be transported out of the outside from the bottommost layer of the elevator, compared with the traditional machine room rope collecting method, an operator does not need to overcome gravity to pull the old steel wire rope and does not need to carry the old steel wire rope downwards from a high floor, a large amount of manpower and material resources are saved, and the method has the advantages of safety, convenience, time saving, labor saving and high working efficiency.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for retrieving an old wire rope in an elevator wire rope replacement process according to an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating connection of the steel ropes between the car diverting pulley, the counterweight diverting pulley, the machine room hook, and the traction sheave in the method for withdrawing an old steel rope in the process of replacing the elevator steel rope according to the embodiment of the present application.
In the figure: 1. a car return sheave; 2. a counterweight sheave; 3. a traction sheave; 4. a machine room hook is arranged; 5. a rope clamp A; 6. a rope clamp B; 7. a first steel wire rope; 8. a rope clamp C; 9. a rope clamp D; 10. a car roping; 11. A counterweight rope end group.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 2, an embodiment of the present application provides a method for retrieving an old steel wire rope in an elevator steel wire rope replacement process, including the following steps:
s1, initialization setting and one-time protection: the lift car overhauls and runs to the top of the shaft, and the counterweight is fixed in the pit;
s2, secondary protection: cutting off a 380V main power supply of a machine room, hoisting the car by using hoisting equipment, and triggering the safety tongs by using an action speed limiter to brake the car on an elevator guide rail;
s3, setting a first steel wire rope 7: the steel wire rope at the outermost circle on the traction sheave 3 in the machine room is bound and fixed with other steel wire ropes at the inner circle of the traction sheave 3 through a rope clamp A5, and the steel wire rope at the outermost circle is defined as a first steel wire rope 7;
s4, fixing a 7-fulcrum of the first steel wire rope: one end of the first steel wire rope 7 close to the lift car rope head group 10 is disassembled, the first steel wire rope is taken back through the machine room and separated from the traction sheave 3, and the first steel wire rope is fixed on the machine room hook 4 through the rope clamp 6 after being wound on the machine room hook 4 for a circle.
S5, dragging the rope head of the first steel wire rope 7 to the top of the car: the rope head of the first steel wire rope 7 fixed in the S4 is pulled to the top of the lift car along the rope hole of the counterweight steel wire rope for standby;
s6, the first steel wire rope 7 forms a closed loop: and fixing the rope end of the first steel wire rope 7 in the S5 with all the counterweight steel wire ropes below the counterweight rope end group 11 through a rope clamp C8, so that the first steel wire rope 7 forms a closed loop.
S7, cutting the counterweight steel wire rope: cutting off all the counterweight steel wire ropes at the counterweight diversion sheave 2 (namely the counterweight steel wire ropes at the side far away from the counterweight rope head set 11) at the bottom pit, and cutting off the counterweight steel wire ropes at the ends of all the counterweight rope head sets 11 which are fixed at the car roof;
s8, a micro-loosening rope clamp A5 and a rope clamp B6: the rope clamp A5 and the rope clamp B6 are loosened in the machine room, so that the first steel wire rope 7 can slide on the machine room hook 4;
s9, rope reeling of the counterweight steel wire rope: gradually releasing the first steel wire rope 7, lowering the cut counterweight steel wire rope to the pit, loosening the rope clamp C8, and taking up and winding the counterweight steel wire rope at the bottommost layer of the elevator;
s10, fixing a car steel wire rope: and fixing the rope clamp A5 and the rope clamp B6 at the machine room again, and fixing the rope end of the first steel wire rope 7 with all the car steel wire ropes at the car diversion sheave 1 through the rope clamp D9 at the top of the car, wherein the car steel wire rope at the diversion sheave 1 is the car steel wire rope at the side far away from the car rope end group 10.
S11, cutting the car wire rope of the car rope head group 10: cutting off all the cage steel wire ropes at the cage rope head group 10;
s12, car steel wire rope winding: and (3) loosening the rope clamp B6 at the machine room, gradually releasing the rope for the first steel wire rope 7, lowering the car steel wire rope to the pit, and winding the car steel wire rope at the bottommost layer of the elevator.
S13, taking up a first steel wire rope 7: the rope clamp B6 is completely untied in the machine room, and the first steel wire rope 7 is pulled out.
Note that, in this embodiment, for convenience of description, the rope near the car side is defined as a car rope, and the rope near the counterweight side is defined as a counterweight rope, in addition to the first rope 7.
In the rope collecting process, the old steel wire rope can be transported out of the outside from the bottommost layer of the elevator, compared with the traditional machine room rope collecting method, an operator does not need to overcome gravity to pull the old steel wire rope and does not need to carry the old steel wire rope downwards from a high floor, a large amount of manpower and material resources are saved, and the rope collecting method has the advantages of safety, convenience, time saving, labor saving and high working efficiency.
On the basis, the hoisting equipment in the step S2 is a hoisting block. The lifting hoist is a hydraulic hoist, has the advantages of high stability, strong lifting capacity and low noise, and can work under extreme conditions, so that the lift car can stably stay at the top of the well.
In addition, in step S1, the counterweight is fixed in the pit by a steel pipe so as to be stationary on the counterweight guide rail, and a scaffold for an operator to work is set up in the pit so that the operator can stand on the scaffold to cut the wire rope.
On the basis of the above, the rope clamp A5 and the rope clamp B6 have the same specification and are both U-shaped clamps, and the rope clamp C8 and the rope clamp D9 have the same specification and are both row head clamps.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (4)
1. A method for collecting an old steel wire rope in the process of replacing the steel wire rope of an elevator is characterized in that: the method comprises the following steps:
s1, initialization setting and one-time protection: the lift car overhauls and runs to the top of the shaft, and the counterweight is fixed in the pit;
s2, secondary protection: a 380V main power supply of a machine room is cut off, a car is lifted by using lifting equipment, and the safety tongs are triggered by an action speed limiter, so that the car is braked on an elevator guide rail;
s3, setting a first steel wire rope (7): the steel wire rope at the outermost circle on a traction sheave (3) in a machine room is bound and fixed with other steel wire ropes at the inner circle of the traction sheave (3) through a rope clamp A (5), and the steel wire rope at the outermost circle is defined as a first steel wire rope (7);
s4, fixing a fulcrum of the first steel wire rope (7): one end of a first steel wire rope (7) close to a car rope head group (10) is disassembled, then the first steel wire rope is taken back to a machine room and separated from a traction wheel (3), and the first steel wire rope is wound on a machine room hook (4) for a circle and then fixed on the machine room hook (4) by a rope clamp B (6).
S5, dragging the rope head of the first steel wire rope (7) to the top of the car: the rope head of the first steel wire rope (7) fixed in the S4 is pulled to the top of the lift car along the rope hole of the counterweight steel wire rope for standby;
s6, the first steel wire rope (7) forms a closed loop: and fixing the rope end of the first steel wire rope (7) in the S5 with all the counterweight steel wire ropes under the counterweight rope end group (11) through a rope clamp C (8), so that the first steel wire rope (7) forms a closed loop.
S7, cutting the counterweight steel wire rope: cutting off all the counterweight steel wire ropes at the counterweight diversion sheave (2) in the pit, and cutting off the counterweight steel wire ropes at the ends of all the counterweight rope head groups (11) which are fixed at the car roof;
s8, slightly loose rope clamp A (5) and rope clamp B (6): the rope clamp A (5) and the rope clamp B (6) are loosened in the machine room, so that the first steel wire rope (7) can slide on the machine room hook (4);
s9, rope reeling of the counterweight steel wire rope: gradually releasing the first steel wire rope (7), so that the cut counterweight steel wire rope is lowered to the pit, loosening the rope clamp C (8), and taking up and winding the counterweight steel wire rope at the bottommost layer of the elevator;
s10, fixing a steel cable of the car: fixing a rope clamp A (5) and a rope clamp B (6) at the machine room again, and fixing the rope head of a first steel wire rope (7) with all the cage steel wire ropes at the cage diversion sheave (1) through a rope clamp D (9) at the top of the cage;
s11, a car wire rope of the car rope head group (10) is cut: cutting off all the cage steel wire ropes at the cage rope head group (10);
s12, car steel wire rope winding: and (3) loosening the rope clamp B (6) at the machine room, gradually releasing the rope for the first steel wire rope (7), lowering the car steel wire rope to the pit, and winding the car steel wire rope at the bottommost layer of the elevator.
S13, taking up a first steel wire rope (7): the rope clamp B (6) is completely untied in the machine room, and a first steel wire rope (7) is pulled out.
2. The method for withdrawing an old steel wire rope in the process of replacing the steel wire rope of the elevator according to claim 1, wherein the method comprises the following steps: the hoisting equipment in the step S2 is a hoisting block.
3. The method for withdrawing an old steel wire rope in the process of replacing the steel wire rope of the elevator according to claim 1, wherein the method comprises the following steps: in step S1, the counterweight is fixed in the pit by a steel pipe so as to be stationary on the counterweight guide rail, and a scaffold for workers to work is set up in the pit.
4. The method for withdrawing an old steel wire rope in the process of replacing the steel wire rope of the elevator according to claim 1, wherein the method comprises the following steps: rope presss from both sides A (5) and rope clamp B (6) specification is the same and be the U type clamp, rope clamp C (8) and rope clamp D (9) specification are the same and are row's head clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526597.8A CN114772424A (en) | 2022-05-16 | 2022-05-16 | Method for collecting old steel wire rope in elevator steel wire rope replacement process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526597.8A CN114772424A (en) | 2022-05-16 | 2022-05-16 | Method for collecting old steel wire rope in elevator steel wire rope replacement process |
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| CN114772424A true CN114772424A (en) | 2022-07-22 |
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| CN202210526597.8A Pending CN114772424A (en) | 2022-05-16 | 2022-05-16 | Method for collecting old steel wire rope in elevator steel wire rope replacement process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2009121384A (en) * | 2009-06-04 | 2010-12-10 | Федеральное агентство по образованию Государственное образовательное учреждение высшего профессионального образования "Норильский и | METHOD FOR HITCHING AND CHANGE OF EQUALIZING ROPES OF LIFTING UNITS |
| CA2813888A1 (en) * | 2010-10-15 | 2012-04-19 | Kone Corporation | Method for modernizing an elevator |
| CN102448866A (en) * | 2009-05-28 | 2012-05-09 | 通力股份公司 | Method for installing the hoisting roping of an elevator |
| CN110054053A (en) * | 2019-05-10 | 2019-07-26 | 北京汇沣联合电梯科技有限公司 | A kind of elevator rope rope gripper and section rope method using the device |
| CN112607568A (en) * | 2020-12-30 | 2021-04-06 | 武汉万进达电梯有限公司 | Elevator steel wire rope replacing method |
-
2022
- 2022-05-16 CN CN202210526597.8A patent/CN114772424A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448866A (en) * | 2009-05-28 | 2012-05-09 | 通力股份公司 | Method for installing the hoisting roping of an elevator |
| RU2009121384A (en) * | 2009-06-04 | 2010-12-10 | Федеральное агентство по образованию Государственное образовательное учреждение высшего профессионального образования "Норильский и | METHOD FOR HITCHING AND CHANGE OF EQUALIZING ROPES OF LIFTING UNITS |
| CA2813888A1 (en) * | 2010-10-15 | 2012-04-19 | Kone Corporation | Method for modernizing an elevator |
| CN103237750A (en) * | 2010-10-15 | 2013-08-07 | 通力股份公司 | Method for modernizing an elevator |
| CN110054053A (en) * | 2019-05-10 | 2019-07-26 | 北京汇沣联合电梯科技有限公司 | A kind of elevator rope rope gripper and section rope method using the device |
| CN112607568A (en) * | 2020-12-30 | 2021-04-06 | 武汉万进达电梯有限公司 | Elevator steel wire rope replacing method |
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