CN110171759A - One kind having machine room elevator method for dismounting - Google Patents
One kind having machine room elevator method for dismounting Download PDFInfo
- Publication number
- CN110171759A CN110171759A CN201910365897.0A CN201910365897A CN110171759A CN 110171759 A CN110171759 A CN 110171759A CN 201910365897 A CN201910365897 A CN 201910365897A CN 110171759 A CN110171759 A CN 110171759A
- Authority
- CN
- China
- Prior art keywords
- hoist engine
- carriage
- dismounting
- counterweight
- staff
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/002—Mining-hoist operation installing or exchanging guide rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
Abstract
Present invention discloses one kind machine room elevator method for dismounting comprising following steps: enter initial removed position: staff stands to car top, and traction machine drives carriage to rise to well headroom；It connects hoist engine: hoist engine being provided, the hoist engine is fixed in computer room, cutting at least one wirerope being connected with the counterweight is simultaneously connected on hoist engine；Disassembly operation: manual operation traction machine declutches, and operates hoist engine and wind the wirerope being attached thereto, and moves downward carriage gradually, the staff of car top carries out disassembly operation in hoistway.The present invention is not necessarily to build complicated scaffold, and faster, cost is lower for dismounting speed；Drawing high counterweight additionally by setting hoist engine declines carriage slowly, and the staff that can be convenient car top carries out disassembly operation, and staff can close band-type brake at any time and lock wirerope, prevent carriage mobile, fool proof.
Description
Technical field
The present invention relates to the disassembly of elevator, in particular to a kind of method for dismounting for having machine room elevator.
Background technique
Elevator is equipment common in the art, is widely used in the higher building of the number of plies.According to the peace of elevator
Dress space, which can be divided into, machine room elevator and machine-roomless lift.There is the computer room of machine room elevator to be generally arranged at house top layer, computer room
Interior capital equipment is exactly traction machine and control cabinet.Machine-roomless lift is exactly to utilize modernization with the maximum difference for having machine room elevator
Production technology minimizes equipment in computer room under the premise of keeping original performance as far as possible, to cancel the machine for having machine room elevator
Room is small to capital equipment installation capable of being entered using at the top of elevator shaft or hoistway side space few as far as possible.
As depicted in figs. 1 and 2, there is machine room elevator to be typically mounted in the hoistway 1 of building, be arranged above hoistway 1 organic
Room 2, elevator generally include the main components such as carriage 10, counterweight 11, traction machine 12 and wirerope 13.Wherein two sides in hoistway 1
It is provided with two car guide rail 1a being oppositely arranged and two counter weight guide track 1b being oppositely arranged, carriage, counter weight guide track 1a, 1b
It is connect using guide rail bracket 1c with 1 wall of hoistway.Carriage 10 is then provided with the carriage guide shoe 10a with car guide rail 1a cooperation, makes
Obtaining carriage 10 can move in upper and lower operation along car guide rail 1a.Counterweight 11 is connected by wirerope 13 with carriage 10, steel
Cord 13 is additionally attached on traction machine 12, is driven by traction machine 12, and wirerope 12 (is only illustrated by guide wheel group 14 in figure
A directive wheel out) it guides into carriage 10 and the wire rope pulley (not shown) of counterweight 11, to guarantee the steel of two bursts of downward tractions
The distance between cord equal or close to carriage 10 hang center between counterweight suspension center at a distance from.Counterweight 11 is for balancing sedan-chair
The weight in compartment 10, two sides are provided with the counterweight guide shoe 11a with counter weight guide track 1b cooperation, enable counterweight 11 in upper and lower operation
It is enough to be moved along counter weight guide track 1b.
When removing elevator, need the dump of traction machine 12, to prevent safety accident.Due in hoistway 1
The accessories such as car guide rail 1a, counter weight guide track 1b be connected to 1 side wall of hoistway, need staff cut or wait using oxygen from
The mode of son cutting is cut off, and in the case of lift car can not be driven by traction machine and be gone up and down, cutting guide rail is very difficult.
Scaffold usually is built along 1 side wall of hoistway in the prior art, guide rail is carried out so that staff be enable to stand on scaffold
Cutting, disassembly, still, such mode cost is very high, and speed of application is very slow.
Summary of the invention
It is an object of the invention in view of the above-mentioned drawbacks in the prior art, provide one kind to have machine room elevator method for dismounting,
Easily and fast the facilities such as guide rail in hoistway can be removed.
For achieving the above object, present invention employs following technical solutions: one kind having machine room elevator method for dismounting,
Include the following steps:
Into initial removed position: staff stands to car top, and traction machine drives carriage to rise to well headroom；
It connects hoist engine: hoist engine being provided, the hoist engine is fixed in computer room, cutting at least one and the counterweight
Connected wirerope is simultaneously connected on hoist engine；
Disassembly operation: manual operation traction machine declutches, and operates hoist engine and wind the wirerope that is attached thereto, make carriage by
Step moves downward, and the staff of car top carries out disassembly operation in hoistway.
In addition, the present invention also proposes following attached technical scheme:
In the connection hoist engine step, hoist engine is fixed on the ground of the computer room using setscrew.
The components removed are passed out from nearest hall door.
In entering initial removed position step, carriage is first driven to its top by traction machine close to any hall door, work
Personnel are stood from hall door to car top.
Enter between initial removed position step and connection hoist engine step described, step of also cutting off the power.
In the step of cutting off the power, staff cuts off the power supply and control cabinet power supply of traction machine.
It further include removing counterweight step to unclamp the traction in the dismounting counterweight step after the disassembly operation
The band-type brake of machine, and operate the hoist engine and rotate backward, so that the counterweight is dropped to bottom.
After removing counterweight step, staff clears up working site.
When staff carries out operation in hoistway, equipped with aerial work safety belt and lifeline.
Compared with the prior art, the present invention has the advantages that
1. the present invention is without building complicated scaffold, faster, cost is lower for dismounting speed；
2. in elevator method for dismounting of the invention, drawing high counterweight by setting hoist engine declines carriage slowly, Ke Yifang
Just the staff of car top carries out disassembly operation, and staff can close band-type brake at any time and lock wirerope, prevent carriage from moving
It is dynamic, it is fool proof；
3. carriage and to focusing on during whole service all without being powered, on the one hand reduces in cutting process and touches electrification
Electric wire risk, it is safer；On the other hand, electric power can be saved；
4. passing through, bracket and idler wheel are set on counterweight, it is therefore prevented that it the deflection of counterweight and rocks, it is safer reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of elevator in the present invention.
Fig. 2 is the structural schematic diagram of another visual direction of elevator in the present invention.
Fig. 3 is the schematic diagram of setting hoist engine in computer room in the present invention.
Fig. 4 is the schematic diagram dismantled when being located at shaft bottom to carriage.
Fig. 5 is the schematic diagram in mounting bracket on counterweight and idler wheel.
Specific embodiment
In conjunction with the preferred embodiment and its attached drawing is further non-limitingly described in detail technical solution of the present invention.
There is machine room elevator method for dismounting corresponding to a kind of preferred embodiment of the present invention comprising following steps:
Step 1: carrying out dismantling preceding preparation.
In this step, staff needs to be ready to dismantle required apparatus, checks and clear up the melt pit in hoistway 1,
Hidden fire-fighting danger is eliminated, fire fighting device (such as fire extinguisher, fire-fighting sand, fire water) is equipped with and is nursed by special messenger.
Step 2: into initial removed position.
Carriage 10 is driven to rise using traction machine 12, until the top of carriage 10 is located at (such as top layer hall door at any hall door
At 15), the staff for being responsible for disassembly operation in hoistway 1 is stood by hall door to 10 top of carriage；Continue to draw high carriage 10 until
The staff at 10 top of carriage can easily dismantle the guide rail at the top of hoistway 1.
Step 3: cutting off the power.
In the step, staff cuts off the power supply and control cabinet power supply of traction machine 12, finds out and puts five sides in order and leads to
The route that the needs such as line, fire-fighting link line, communication cable line retain is talked about, it is found that unknown route solves place to the relevant personnel in time
Reason, it is ensured that charge maloperation caused by no hidden wiring.
Step 4: connection hoist engine.
As shown in figure 3, hoist engine 19 is fixedly installed on the ground of computer room 2, setscrew can be beaten on the ground, then
It will be in the locking to setscrew of hoist engine 19.Then, one cutting is selected in the wirerope 13 being connected with counterweight 11, and
It connects, be fixed on the reel of hoist engine 19.That strand steel wire rope for being connected to hoist engine 19 is referred to herein as sub- wirerope
13a.It is apparent that weight difference of the pulling force of sub- wirerope 13a receiving between counterweight 11 and carriage 10, a strand steel wire rope are enough
The pulling force is born, certainly, if it is also possible to select multistrand rope to be connected to hoist engine 19.Hoist engine 19 is preferably electronic
Hoist engine, the circuit connect are other circuit, are not the circuits of cut-off control elevator operation.
Step 5: disassembly operation.
The staff of car top cuts guide rail, guide shoe, the guide rail bracket in hoistway 1, dismantles operation, the work to car top
Make personnel to be presently in after the accessories such as the guide rail of position remove, 12 pine of traction machine is manually operated in staff in computer room 2
Lock, and starting hoist engine 19 rotates its reel, pulls counterweight 11 slowly to rise, correspondingly, carriage 10 is by one section of slow downlink
Distance, band drop to rear combined floodgate after proper height, so that hoist engine 19 is stopped operating, to fix carriage 10, staff is
Disassembly operation can be carried out in the height and position, the component after dismounting is passed out from nearest hall door, subsequent to be carried again.It repeats
The above process, until carriage 10 reaches the bottom (referring to Fig. 4) of hoistway 1.When carriage is located at 1 bottom of hoistway, car top steel is cut off
Cord removes car top guard, car top crossbeam, car top, sedan-chair wall and car floor, the work after disassembly, in hoistway 1 one by one in sequence
Make personnel and all leaves hoistway 1.
Obvious, if encountering the situation for needing carriage 10 to rise in disassembly process, the band-type brake of traction machine 12 only need to be opened simultaneously
Rotate backward hoist engine 19.
For safety, the operating personnel in hoistway 1 should be equipped with aerial work safety belt and lifeline, to prevent accident
Fall.
In this step, after a floor is removed, shelter (such as plank, warning line, net type fence are used immediately
Deng) this layer of hall door is blocked, and " security warning language " is puted up, to prevent accident occurs.
In addition, carriage (is subject to and construction personnel is facilitated to enter melt pit) before being down to melt pit when tearing open to minimum one layer, preferentially will
Car floor screw complete resection facilitates the later period to decompose carriage.
Step 6: removing counterweight.
With reference to Fig. 3, after the operation to bottom of carriage 10, correspondingly, counterweight 11 will be in the top of hoistway 1.At this point, beating
It opens the band-type brake of traction machine 12 and hoist engine 19 is driven to rotate backward, counterweight 11 is down in melt pit and is removed.
Step 7: site clearing.
Remaining guide rail and buffer are removed, melt pit rubbish is cleared up, checks and ensure that the safeguard procedures of blocking of all hall doors are
It is no perfect.
In the 5th step disassembly job step, when guide rail is dismantled to the position at the middle part of hoistway 1, since the counterweight of top is led
Rail 1b, which has been disassembled, to be finished, and therefore, counterweight 11 will be in vacant state, due to having certain torsion between multistrand rope
Power, therefore, counterweight 11 will generate 30 degree or so of inclination, be easy to swing during the motion, hit wall, there are one
Fixed security risk.As shown in figure 5, the counterweight guide shoe 11a that counterweight 11 can be inclined to wall side is removed, vacated after dismounting
Mounting bracket 17 in hole location, 17 end of bracket are provided with idler wheel 18, and idler wheel 18 contacts under twisting force with 1 wall of hoistway, from
And the swing of counterweight 11 is reduced, make it smoothly to go up and down.
The present invention has the advantages that
1. the present invention is without building complicated scaffold, faster, cost is lower for dismounting speed；
2. in elevator method for dismounting of the invention, drawing high counterweight by setting hoist engine declines carriage slowly, Ke Yifang
Just the staff of car top carries out disassembly operation, and staff can close band-type brake at any time and lock wirerope, prevent carriage from moving
It is dynamic, it is fool proof；
3. carriage and to focusing on during whole service all without being powered, on the one hand reduces in cutting process and touches electrification
Electric wire risk, it is safer；On the other hand, electric power can be saved；
4. passing through, bracket and idler wheel are set on counterweight, it is therefore prevented that it the deflection of counterweight and rocks, it is safer reliable.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Those skilled in the art can understand the contents of the present invention and implements accordingly, and protection of the invention can not be limited with this
Range.Any equivalent change or modification in accordance with the spirit of the invention should be covered by the protection scope of the present invention.
Claims (9)
1. one kind has machine room elevator method for dismounting, it is characterised in that it includes the following steps:
Into initial removed position: staff stands to car top, and traction machine (12) drives carriage (10) to rise to hoistway
(1) top；
Connect hoist engine: providing hoist engine (19), the hoist engine (19) is fixed in computer room (2), cutting at least one with
The connected wirerope of the counterweight (11) is simultaneously connected on hoist engine (19)；
Disassembly operation: manual operation traction machine (12) is declutched, and is operated hoist engine (19) and wound the wirerope being attached thereto, and sedan-chair is made
Compartment (10) gradually moves downward, and the staff at the top of carriage (10) carries out disassembly operation in hoistway (1).
2. according to there is machine room elevator method for dismounting described in claim 1, it is characterised in that: in the connection hoist engine step,
Hoist engine is fixed on the ground of the computer room (2) using setscrew.
3. according to there is machine room elevator method for dismounting described in claim 1, it is characterised in that: the components removed are from nearest hall door
Place is passed out.
4. according to there is machine room elevator method for dismounting described in claim 1, it is characterised in that: entering initial removed position step
In, first by traction machine (12) driving to its top close to any hall door, staff's carriage (10) stands from hall door to carriage
(10) top.
5. according to there is machine room elevator method for dismounting described in claim 1, it is characterised in that: enter initial removed position step described
Suddenly between connection hoist engine step, step of also cutting off the power.
6. according to there is machine room elevator method for dismounting described in claim 5, it is characterised in that: in the step of cutting off the power, work
Personnel cut off the power supply and control cabinet power supply of traction machine (12).
7. according to there is machine room elevator method for dismounting described in claim 1, it is characterised in that: after the disassembly operation, further include
It removes counterweight step and unclamps the band-type brake of the traction machine (12), and operate the hoist engine in the dismounting counterweight step
(19) it rotates backward, the counterweight (11) is made to drop to bottom.
8. according to there is machine room elevator method for dismounting described in claim 7, it is characterised in that: after removing counterweight step, work people
Member clears up working site.
9. according to there is machine room elevator method for dismounting described in any one of claim 1 to 8, it is characterised in that: staff is in hoistway
(1) when carrying out operation in, equipped with aerial work safety belt and lifeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365897.0A CN110171759B (en) | 2019-04-30 | 2019-04-30 | Method for disassembling elevator with machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365897.0A CN110171759B (en) | 2019-04-30 | 2019-04-30 | Method for disassembling elevator with machine room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110171759A true CN110171759A (en) | 2019-08-27 |
| CN110171759B CN110171759B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910365897.0A Active CN110171759B (en) | 2019-04-30 | 2019-04-30 | Method for disassembling elevator with machine room |
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| Country | Link |
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| CN (1) | CN110171759B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668294A (en) * | 2019-09-19 | 2020-01-10 | 北京房地天宇特种设备安装工程有限公司 | Machine-room-less elevator dismantling method |
| CN114484170A (en) * | 2022-01-21 | 2022-05-13 | 江苏海菱机电设备工程有限公司 | Waste elevator recovery unloading method and auxiliary unloading device |
| CN114761344A (en) * | 2019-12-18 | 2022-07-15 | 三菱电机株式会社 | Elevator device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668294A (en) * | 2019-09-19 | 2020-01-10 | 北京房地天宇特种设备安装工程有限公司 | Machine-room-less elevator dismantling method |
| CN110668294B (en) * | 2019-09-19 | 2021-11-12 | 北京房地天宇特种设备安装工程有限公司 | Machine-room-less elevator dismantling method |
| CN114761344A (en) * | 2019-12-18 | 2022-07-15 | 三菱电机株式会社 | Elevator device |
| CN114761344B (en) * | 2019-12-18 | 2024-02-13 | 三菱电机株式会社 | Elevator device |
| CN114484170A (en) * | 2022-01-21 | 2022-05-13 | 江苏海菱机电设备工程有限公司 | Waste elevator recovery unloading method and auxiliary unloading device |
| CN114484170B (en) * | 2022-01-21 | 2024-03-15 | 江苏海菱机电设备工程有限公司 | Waste elevator recycling and unloading method and auxiliary unloading device |
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| CN110171759B (en) | 2020-12-29 |
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