CN105366494A - Elevator mounting process - Google Patents

Abstract

The invention discloses an elevator mounting process. The elevator mounting process includes a mechanical equipment mounting process and an electrical equipment mounting process. The mechanical equipment mounting process specifically includes the steps that a preorder mounting preparation procedure is carried out firstly, then a sample plate frame is made and erected, and a datum line is hung; guide rail supports and guide rails are mounted; landing doors are mounted; bearing beams and a tractor are mounted; an elevator car is mounted; a counter weight and a traction rope are mounted; a buffer is mounted; a speed limiter and a tension wheel are mounted; and then a compensation chain is mounted. The electrical equipment mounting process specifically includes the steps that electrical equipment in a hoist way is mounted, and electrical equipment in a machine room is mounted. The elevator mounting process has the technical effects that the efficiency is high, the safety is high, and a mounted elevator is high in comfortable level and long in service life.

Description

A kind of elevator mounting process

Technical field

The present invention relates to field of escalator installation, particularly, relate to a kind of elevator mounting process.

Background technology

The vertical conveyor of elevator to be a kind of with electrical motor be power, is equipped with box like gondola, takes advantage of people or carrying goods for tier building.Also have step, step plate is contained on crawler belt and runs continuously, is commonly called as escalator or moving sidewalk.Serve the fixed type lifting equipment of regulation floor.Vertical lift elevator has a car, operates in the vertical or leaning angle of at least two row and is less than between the rigid guideway of 15 °.Car size and version are convenient to passenger and are come in and gone out or handling goods.No matter its type of drive traditionally, using the general name of elevator as vertical transportation transportation means in building.Slower elevators (below 1 meter per second), express lift (1 ~ 2 meter per second) and express elevator (more than 2 meter per seconds) can be divided by speed.Mid-term in 19th century starts to occur hydraulic elevator, still applies on low-rise building so far.1852, the E.G. Otis of the U.S. developed the safety cage of rope hoisting.The eighties, actuating device has further improvement, as electrical motor is driven winding reel by worm drive, adopted counterbalanced weight etc.In 19 end of the centurys, have employed frictional wheel drive, greatly increase the hoisting depth of elevator.

Elevator employing in 20 end of the centurys permanent magnetic synchronous traction machine is as power.Greatly reduce machine room to take up an area, and have the advantages such as energy consumption is low, efficient energy-saving, hoisting speed are fast, greatly boosting real estate is to Super High future development.

Along with the high speed development of modern city, elevator is as the vertical transport instrument of high buildings and large mansions, and its importance is self-evident.Because elevator is in-site installation, debugging, pays user after acceptance(check) and use, so the quality of lift product not only depends on the quality of parts, also depend on field erected quality.Lot of examples illustrates, the quality of elevator installation quality is directly connected to the elevator comfort after place in operation and service life.Because the product of each elevator producer is different, so mounting process is also different.

In the prior art, existing elevator mounting process efficiency is lower, and safety is poor, and the elevator comfort after installation is poor, and service life is shorter.

In sum, present inventor, in the process realizing invention technical scheme in the embodiment of the present application, finds that above-mentioned technology at least exists following technical matters:

In the prior art, it is lower to there is efficiency in existing elevator mounting process, and safety is poor, and the elevator comfort after installation is poor, the technical matters that service life is shorter.

Summary of the invention

The invention provides a kind of elevator mounting process, solving existing elevator mounting process, to there is efficiency lower, safety is poor, elevator comfort after installation is poor, the technical matters that service life is shorter, achieve efficiency higher, safety is higher, elevator comfort after installation is better, the technique effect that service life is longer.

For solving the problems of the technologies described above, the embodiment of the present application provides a kind of elevator mounting process, and described technique comprises:

Mechanical equipment installation technique and installation of electrical equipment technique, wherein, described mechanical equipment installation technique specifically comprises:

First carry out preorder and preparatory process is installed, then carry out sample plate frame making and erection and datum line and hang; Then rail brackets and guide rails assembling is carried out; Then the installation of Room door is carried out; Then the installation of bearing beam and towing machine is carried out; Then the installation of car is carried out; Then the installation of counterweight and hoist ropes is carried out; Then the installation of energy disperser is carried out; Then the installation of velocity limiter, expansion tightening wheel is carried out; Then the installation of chain is compensated;

Described installation of electrical equipment technique specifically comprises: the installation of electrical equipment and the installation of machine room electrical equipment in hoistway.

Further, described preorder installation preparatory process specifically comprises: the inspection of camp site; Check elevator accessory; Erecting scaffold; Hoistway, machine room installation illumination.

Further, described sample plate frame makes and erection and datum line hang and specifically comprise: the car oad arranged according to elevator, carries out sample plate frame making with dry timber; Bracket made by the lumps of wood that processing transversal surface is greater than 100*100mm, and fixed by bracket with the reinforcing bar of M16 expansion bolt or M16, levelness sheet iron is aligned, and is fixed on bracket with nail by sample plate frame, does line-transect with 8# steel wire; Below hoistway top, angle steel or bolster are horizontally fixed on well enclosure by 1.2m expansion bolt or reinforcing bar; If well enclosure is brick wall, under hoistway top, hole is picked in the horizontal direction by 1.1m place, steady lay out board timbering, and model timbering end winding support.

Further, rail brackets is carried out described in and guide rails assembling specifically comprises: after the operating line of sample plate frame puts down, first check whether the preformed hole of well enclosure or the position of embedded iron and size dimension require to conform to civil engineering; With expansion bolt fixed guide support; In a pre-installation guide rail is tested, then by guide rail gasoline or kerosene wiping, the place of wound or distortion is repaired, wherein: every root guide rail has two supports at least, and two stands spacing is less than 2.5m; Guide rail male and female head is cleared up; Guide rail bracket is greater than 200mm apart from guide rail splice; Distance top floor is less than 0.5m place installation one support; Guide rail lower end is supported on ground guide seat; Guide rail is fixed on rail brackets, and tightens with pressure guide plate bolt of rear end plate, wherein: at every row guide rail apart from center-side 5mm place suspension one plumb bob vertical; Correct with clamp, first with slightly blocking correction, difference is thick school guide rail from bottom to up, the deviation between 3 driving surfaces of school guide rail and guide rail plumb bob vertical, guide rail after the adjustment of thick school, also needs to carry out measuring and adjustation with smart school slide calliper rule to the spacing of two row guide rails, squareness, partial twist degree; Wherein: the spacing deviation on two row guide rail end surfaces is ± 2mm, often the every 5m deviation of the installation reference line of row working face of guide rail is 0.6mm; Gap, rail joint place is less than 0.5mm; Lean against guide rail surface by 300mm Steel Ruler, the step detecting rail joint place with feeler gauge is less than 0.05mm.

Further, the installation carrying out bearing beam and towing machine described in specifically comprises:

Bearing beam is installed: the bearing beam two ends degree of depth imbedded within the walls is greater than wall thickness 20mm, and is not less than 75mm, and the levelness above of every root bearing beam is 0.5 ‰, and the height error between bearing beam is adjacent is 0.5mm, and bearing beam degree of being parallel to each other error is 6mm; Track adjusting wheel be arranged on machine room floor or bearing beam, a plumb bob vertical is respectively put at counterweight center on the sample plate frame of aligning hoistway top and car center, in track adjusting wheel two sides, two auxiliary plumb bob vertical are separately put according to track adjusting wheel width, in same plane, make two auxiliary plumb bob vertical connect vertical two lines of centres, with correcting track adjusting wheel horizontal direction beat; The parallelism franchise of track adjusting wheel and traction sheave is for being less than ± 1mm, and the squareness of track adjusting wheel is less than 0.5mm; Track adjusting wheel error in mounting position is ± 0.5mm at fore-and-aft direction, is 1mm at left and right directions;

The installation of towing machine: utilize the embedded iron in machine room on top or iron hoop, hoist is hung up, then towing machine is sling, be placed on bearing beam; Shock absorption device is had, the steel plate on towing machine chassis and bearing beam bolt or integrally welded between towing machine and bearing beam; The correction of towing machine installation site: need draw a horizon before correction above towing machine, hangs below from this horizon and puts two plumb bob vertical, and aims at car center-point and counterweight center-point that on hoistway, sample plate frame marks respectively; Again according to the pitch circle diameter of traction sheave, level hangs again and puts down another root plumb bob vertical, according to the pitch circle diameter plumb bob vertical of car center plumb bob vertical and towing machine, the installation site of adjustment towing machine, reaches: 1) traction sheave position deviation front and rear direction is less than ± 2mm; 2) the axial levelness of traction sheave puts a plumb bob vertical from traction wheel rim top, is less than 0.5mm with the maximum clearance of following wheel rim; 3) parallelism of traction sheave and track adjusting wheel or double wrap sheave is less than ± 1mm.

Further, the described installation carrying out car specifically comprises: 1. scaffold is torn open 400mm place to top layer flooring, on the well enclosure on opposite, doorway, the Room, cut a hole two circular cavities abreast, its width is consistent with the width on doorway, the Room, is greater than the lumps of wood of 200 × 200mm or support beam made by No. 20 channel-section steels with cross section, stretches in hole by support beam one end, another end-rack of support beam, on flooring, is fixed after level of corrections; 2. carry out leading boots to install; 3. carry out safety tongs installation; 4. carry out sedan-chair wall, sedan-chair mounting of roof plate; 5. carry out crosshead sheave installation.

Further, the installation of described counterweight and hoist ropes specifically comprises:

1. counterweight is installed:

1) first remove when mounted counterweight frame up and down each one lead boots, then counterweight frame is loaded guide rail and again the boots of leading pulled down is loaded onto; 2) in counter weight guide track center by pit 5m place upward, suspend a chain block in midair; 3) car is when two end station level positions, and the distance S between counterweight bottom buffering plate or car frame plank dash plate to energy disperser end face is preset value; 4) counterweight frame sling is to selected S value height and position, good with pin pad, then installs down and leads boots; 5) treat that steel rope installs, after removing timber, load onto catch fence, be less than 300mm apart from ground bottom catch fence, top is greater than 2500mm apart from ground, and is wider than and equals movable parts and need protection portion partial width to add 100mm; 6) will add one by one in counterweight frame pouring weight; 7) will fix pouring weight with pinch device;

2. the installation of traction steel-cable:

1) length that hoist ropes intercepts is determined, adopt the galvanized wire of 2mm by sedan-chair frame upper beam by doing actual measurement through steel wire rope taper sleeve combination place around to counterweight top in machine room, add car when mounted actual position exceed a segment distance of The Highest Tower aspect, and add the surplus of 0.5mm, be the Len req of hoist ropes;

2) when cutting rope, first with gasoline, rope is wiped clean, and check with or without knotting, distortion, presented shares phenomenon, on the ground prestension;

3) time for avoiding intercepting, rope strand is loose, first divides three sections to tighten with No. 22 galvanized wires, and then blocks;

4) clean tapered sleeve with gasoline, then rope is penetrated, untie the galvanized wire of end, twist into bow structure or winding by loose for each stock steel wire; Then draw in tapered sleeve by ready-made rope sling, steel wire must not expose tapered sleeve; Babbitt matal is heated to 270-350 degree and removes dregs, tapered sleeve is preheating to 40-50 degree simultaneously, now can waters, pouring position should exceed tapered sleeve gate land 10-15mm; 80 ﹪ of the minimum breaking load of steel rope need be born in the junction of steel rope and tapered sleeve thereof;

5) hang hoist ropes, rope is walked around traction sheave track adjusting wheel to counterweight upper end from car jack-up by machine room floor, it is firm that two ends connect;

6) hoist ropes hangs up properly and mentions car with the cucurbit on hoistway top, remove the crossbeam of holder car, car is put down, put down rear preliminary adjustment fag end combination nut, then after elevator runs a period of time, adjustment hoist ropes is carried out again, make every root hoist ropes answer uniform stressed, its tension force and mean deviation are all less than 5 ﹪, and each fag end jam nut is all provided with locking pin.

Further, carry out velocity limiter described in, the installation of expansion tightening wheel specifically comprise:

1. on bearing beam or machine room floor, fill velocity limiter base plate install velocity limiter, hang in velocity limiter grooving plumb bob vertical, by fag end handle hole on machine room floor top preformed hole and car frame, then aligns with the race of pit swelling device; 2. the connection of speed limiter wire rope, adopt little tapered sleeve, technique is identical with traction steel-cable; 3. the installation of velocity limiter and expansion tightening wheel device makes the plummet degree of governor sheave be less than 0.5mm, and rope is all less than 10mm to the deviation of the distance of guide rail; 4. adjust the slack rope safety switch of expansion tightening wheel device to appropriate location, disconnect control circuit when rope elongation or when breaking and force elevator out of service; 4. rope swelling device bottom surface is 450 ± 50mm apart from the height on pit ground; 5. governor tripping speed is greater than 115 ﹪ of command speed; 6. velocity limiter is indicated the hand of rotation corresponding to safety tongs action; 7., during velocity limiter action, the expanding force of governor rope is at least the higher value of following two values: 300 or safety tongs to work the twice of required power.

The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:

Achieve efficiency higher, safety is higher, and the elevator comfort after installation is better, the technique effect that service life is longer.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.

Fig. 1 is the schematic flow sheet of elevator mounting process in the embodiment of the present application.

Detailed description of the invention

The invention provides a kind of elevator mounting process, solving existing elevator mounting process, to there is efficiency lower, safety is poor, elevator comfort after installation is poor, the technical matters that service life is shorter, achieve efficiency higher, safety is higher, elevator comfort after installation is better, the technique effect that service life is longer.

In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.

Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.

Embodiment 1:

Please refer to Fig. 1, one. the preparation before installation:

1. the inspection of camp site and the tissue of workmen

Every regulation (should there is not the equipment irrelevant with elevator, machine room cannot be worked as passage and be used, and the road towards machine room should be unblocked, and the structure of hoistway and machine room should be fire insulation) that 1.1 check hoistway, whether machine room meets lift-mounting

Clean planar dimension in 1.2 hoistways, squareness, hoistway are boxed out, as undesirable in found, notify that Party A rectifies and improves in writing.Whether there are obstacle and ponding to need to remove in hoistway, must guardrail be installed additional.

1.3 check the storage yard of stacking larger elevator parts, should keep dry to storage yard, have the safety method such as rainwater-proof, weatherprotected.

2. the tissue of personnel and the formulation of elevator mounting engineering working schedule;

2.1 elevators are installed groups and are generally made up of 3-4 people, wherein need skilled mechanical erection pincers worker and electrician is each responsible;

Installation and adjustment.Also will be equipped with the welder of some simultaneously, play the related personnel such as heavy industry, personnel arrangement well works out Gantt chart afterwards.

The preparation of 2.2 instruments

Select rational instrument and various suitable special tool, to work.Select a previous crops close inspection, qualified instrument is changed in the rejecting broken down, guarantees construction safety and construction quality.

2.4 personnel are pre-job carries out necessary safety training

3. unpack and check elevator accessory

Responsible official's opening elevator packing chest being installed, checking all parts according to stuffing unit and pertinent data, understand type and the mode of this elevator, as delivery of cargo in bulk, checking examination when picking up goods according to technical materials.

4. the preparation of appliances for labor protection

Installation personnel must observe safe operation rules, and keep firmly in mind " safety first ", during operation, Safety helmets must be worn, fastens the safety belt, safety shoes, gloves, hot line work, more than necessary two people.Appliances for labor protection want sufficient, so that when having damage, even if change.Once comprehensively cleaning work must be carried out to hoistway before erecting scaffold, successively carry out downwards from machine room, until finally foreign material all in pit are removed comprehensively.The requirement that erecting scaffold is total: (1) avoids each hanging wire point.(2) installation of bracket, guide rail, Room door etc. and the arrangement of electric wiring is not hindered.(3) scaffold safety and firmness, load-carrying capacity must not be less than 250kg/ ㎡.(4) scaffold must not set up the installation hindering line-transect and guide rail.

The elevator of general load carrying ability less than three tons can adopt single well type, and more than three tons elevators can adopt two jing character type.Four straight shelves are stressed in pit plane, and crosspiece every grade alternately has one and well enclosure support, to avoid rocking of scaffold.Scaffold arbitrarily one side two horizontal when between increase a crossbeam for climbing, take about 400mm to The Highest Tower face and should flush process, then continue upwards to set up, like this for installation car later provides convenience.After scaffold erection, after comprehensively careful inspection should be done, could use.Scaffolding adopts diameter 48mm-51mm steel pipe, connects with building buckle.Spacing between crosspiece should be less than 1200mm.6. hoistway, machine room installation illumination:

1) 36 volt-amperes of full voltages are adopted.2) every platform elevator hoistways is powered separately, and at bottom well entrance, place establishes switch.3) enough brightness should be had in hoistway, in position establish head to step on socket as required.4) top layer and pit respectively establish the lamp lighting of more than two or two.5) elevator required drive power supply should be delivered in machine room and the processing place in building site, ensures construction action.

Two. sample plate frame makes and sets up and datum line hangs

1. according to the car oad that elevator is arranged, with on-deformable dry timber.Wooden model should select, toughness strong, indeformable timber dry without joint, must be smooth straight.Hoisting depth superelevation batten thickness is answered corresponding increase or is just made of angle.

2. after processing, transversal surface is not less than the lumps of wood of 100*100mm.Bracket made by the lumps of wood, and fixed by bracket with the reinforcing bar of M16 expansion bolt or M16, levelness sheet iron is aligned, and sample plate frame is fixed on bracket by nail, does line-transect with 8# steel wire.

3. wood-like's grillage will determine the distance of the backbone spacing of elevator, secondary rail spacing, gate-width three when making.Door line-transect position is 1/2 gate-width to centerline length.Major-minor rail line-transect is that major-minor rail spacing 1/2 subtracts 3mm to centerline length.Major-minor rail support line-transect position to centerline length 1/2 major-minor rail spacing add rail height and subtract 3mm again.

4. set up sample plate frame

A) below hoistway is worked on regular shifts, angle steel or bolster are horizontally fixed on well enclosure by about 1.2m place expansion bolt or reinforcing bar.

If b) well enclosure is brick wall, should locate to pick hole in the horizontal direction at hoistway lower about the 1.1m that works on regular shifts, steady lay out board timbering, and end winding support.

C) on sample plate frame, each size tolerance is ± 0.3mm, and close inspection, must not twisted phenomena be had.

5 measure hoistway, confirmed standard line

Three. rail brackets and guide rails assembling

1. the quality of installation to whole elevator ride quality of guide rail and support is an important step.

After the operating line of sample plate frame puts down, first should check well enclosure, whether the position of preformed hole or embedded iron and size dimension require to conform to civil engineering.The requirement in hole imbedded by support:

1) every root guide rail is at least provided with two rail brackets its spacings and is not more than 2.5m, 2) size dimension of boxing out will meet interior large outer little.2. the installation expansion bolt fixed guide support of rail brackets, when cement concrete hoistway wall does not have an embedded iron, the method using the direct fixed guide support of expansion bolt more.The specification of the expansion bolt used will meet Elevator Factory's drawing requirement, if producer's not requirement, the specification of expansion bolt must not be less than M16mm.Support should stagger more than rail joint 200mm, and support should install level, and its lower levelness is not more than 1.5%.Every root guide rail should ensure at least reason two stent support.After rail brackets is firm, can not collide, through the maintenance of 6-7 days under normal temperature, after reaching prescribed strength, could mounting guide rail.3. the installation of guide rail is tested to guide rail in a pre-installation, sees with or without wound, the phenomenons such as flexural deformation, then by guide rail gasoline or kerosene wiped clean one by one.Reparation be should give to the place of wound or distortion.

A) every root guide rail at least should have two supports, and two stands spacing must not be greater than 2.5m.B) foreign material above guide rail male and female head, should carry out conscientious cleaning.C) guide rail bracket is not less than 200mm apart from guide rail splice.D) be not more than 0.5m place apart from top floor and one support should be installed.E) guide rail lower end should be supported on the firm track base in ground.

First guide rail is fixed on rail brackets, fixes with pressure guide plate, bolt, with tight on hand, conveniently corrects.

A) plumb bob vertical is hung, at every row guide rail apart from center-side 5mm place suspension one plumb bob vertical.B) correct with clamp, first with slightly blocking correction, difference is thick school guide rail from bottom to up, 3 driving surfaces of school guide rail, and the deviation between guide rail plumb bob vertical.Guide rail after the adjustment of thick school, also need by the spacing of smart school slide calliper rule to two row guide rails, squareness, partial twist degree carry out measuring and adjustation.

A) spacing deviation on two row guide rail end surfaces is car guide rail is ± 2mm, and counter weight guide track is ± 3mm.

B) installation reference line of every row working face of guide rail (comprising side, end face), every 5m deviation is 0.6mm.

C) gap, rail joint place should be not more than 0.5mm.

D) lean against guide rail surface by 300mm Steel Ruler, the step detecting rail joint place with feeler gauge should not be greater than 0.05mm.Exceed and answer equating, smoothing length is more than 150mm, and the bulge quantity after smoothing is not more than 0.02mm.

Guide rail application pressing plate is fixed on guide rail bracket, directly can not connect with welding or bolt.

Four. the installation of Room door

Equipment, material and requirement:

1) Room door part should conform to drawing, and quantity is complete.

2) sill, door slideway, Room door leaf are without distortion, and damage, other parts should stand intact, securely.

Operating condition:

1) each layer scaffold cross bar position should not hinder and surely fill sill, the construction requirement of the installation of Room door.

2) clean on each doorway, the layer Room and foot plank, no-sundries, protective door is safe and reliable.

1. lading door dill

A) according to elevator mounting arrangements, and wooden sample plate frame is pressed with the plumb bob vertical hung for foundation.Determine every mouth position, the Room and enabling direction, after the plumb bob vertical of suspension is stable in pit exactly, is benchmark with car guide rail, determines the front and back position of sill, and make the center of sill.

B) take out wooden unit pre-buried in bracket, put sill after correction position and get a foothold, then bury sill underground with cement, aluminium alloy extrusions gate sill does not set pin.Cement should be imbedded sill bottom comers place when burying underground.

C) levelness correcting sill is not more than 2 ‰, and on sill, the height of plane should higher than flooring 2-5mm.And the flooring before sill is smeared into the slope of 1:50, maintain and carry out next procedure again after 3 days.

D) lading door dill is+3mm to car door sill horizontal throw deviation.

2 Room door frames

A) as prescribed position in well enclosure preformed hole, buries holding-down bolt underground, and after maintenance, about fixing doorframe, straight shelves load onto upper sill frame, Room door frame should be smooth vertical and horizontal, its squareness and levelness are all no more than 1%, and the Shang Kan center of upper sill frame and the center of sill chute, answer holding position correct.

B) hang up Room every fan, repeat to correct each several part position, levelling door guide roller and gate guide shoe, when making Room Men Yong hand propelled, do not produce and beat, shake, the phenomenon such as noise and impact.Double fold Room door, should be overlapped after enabling, and the gap between two is unanimous between the higher and lower levels, ensure the size of clean door, midsplit type Room door should close in doorway centerline at closing time, must not offset, left and right door on a vertical plane, should answer joint close at closing time, also should ensure door opening width and size after unlatching.

C) Room every fan and door leaf, door pocket and door leaf, the gap of door leaf lower end and sill, passenger elevator is 1-6mm, and cargo lift is 1-3mm.

D) closing the door in stroke after 1/3, the power of closing the door is stoped to be no more than 150N.

E), after each fan simple gate installs, the power pulled should be less than 300 grams, and the basic pulling force of each door is identical.

3. align door gap, the Room:

1) layer door installs, the roller of door and relative movement part thereof, should without jam phenomenon during motion.

2) gap of door opening knife and landing sill, door lock roller and car sill, should ensure within the scope of 5-10mm.

3) layer door and guide rail bottom face gap are 0.5mm.

4) door leaf lower end is apart from sill gap for being not more than 6mm, and door sag error is not more than 0.5mm.

4. door lock

1) according to the center of gate upward swing door blade, a plumb bob vertical is put also firm to pit

Then the center of door lock two rubber tires is determined along plumb bob vertical.

2) when the Room door of each stop and door lock tentatively install and adjust, the scaffold in hoistway is removed, cleaning foreign material, check whether the obstacle affecting elevator trial run and run at a slow speed up and down.

3) when test run at a slow speed, successively door lock position, the Room is adjusted accurately, more in addition fastening.

4) position of each door lock should on the same line, and after ensureing that Room door is closed, can not be pushed aside with hand in the Room outdoors.

5) Room every key is installed, ensures that Room door from the outside can by key operated.

6) fill Room door mechanical electric interlocking travel switch, answer safety action flexibility and reliability.

5. some standards of Room door lock, Room door

A) spacing deviation on two row guide rail end surfaces is car guide rail is ± 2mm, and counter weight guide track is ± 3mm.

B) installation reference line of every row working face of guide rail (comprising side, end face), every 5m deviation is 0.6mm.

C) gap, rail joint place should be not more than 0.5mm.

D) lean against guide rail surface by 300mm Steel Ruler, the step detecting rail joint place with feeler gauge should not be greater than 0.05mm.Exceed and answer equating, smoothing length is more than 150mm, and the bulge quantity after smoothing is not more than 0.02mm.Guide rail application pressing plate is fixed on guide rail bracket, directly can not connect with welding or bolt.

The installation of bearing beam and towing machine

1. bearing beam is installed

Machine room bearing beam is responsible for whole minor load and the D/W of elevator running part, therefore will reliably be erected on firm wall or crossbeam.

The bearing beam two ends degree of depth imbedded within the walls must be over wall thickness center 20mm, and being not less than 75mm, the installation level of bearing beam, the levelness above of every root bearing beam should be 0.5 ‰, height permissible error between adjacent is 0.5mm, and bearing beam degree of being parallel to each other permissible error is 6mm.2. track adjusting wheel be arranged on machine room floor or bearing beam, a plumb bob vertical is respectively put at counterweight center on the sample plate frame of aligning hoistway top and car center, in track adjusting wheel two sides, two auxiliary plumb bob vertical are separately put according to track adjusting wheel width, in same plane, make two auxiliary plumb bob vertical connect vertical two lines of centres, in order to correct track adjusting wheel horizontal direction beat.The parallelism franchise of track adjusting wheel and traction sheave is for being not more than ± 1mm.The squareness of track adjusting wheel is not more than 0.5mm.Track adjusting wheel error in mounting position at fore-and-aft direction for ± 0.5mm is 1mm at left and right directions.3. the installation correctness of the installation towing machine of towing machine directly has influence on the workmanship of elevator, must be rigid in checking up during installation.The installation of bearing beam on machine room floor.Use the embedded iron in machine room on top or iron hoop, hoist is hung up, then towing machine is sling, be placed on the accurate location on bearing beam.Have shock absorption device between towing machine and bearing beam, shock absorption device by upper and lower two pieces equal with towing machine chassis size, thickness be about 16-20mm shock absorbing rubber pad form, for preventing displacement, pressing plate and baffle plate should be set.The steel plate on towing machine chassis and bearing beam bolt or integrally welded.The correction of towing machine installation site a: horizon need be drawn before correction above towing machine, and two plumb bob vertical are put below this horizon hangs, and aim at car center-point and counterweight center-point that on hoistway, sample plate frame marks respectively.Again according to the pitch circle diameter of traction sheave, level hangs again and puts down another root plumb bob vertical, according to the pitch circle diameter plumb bob vertical of car center plumb bob vertical and towing machine, go to the installation site of adjustment towing machine, should reach:

1) traction sheave position deviation, forward and backward, (towards counterweight) direction should not exceed ± 2mm.

2) the axial levelness of traction sheave puts a plumb bob vertical from traction wheel rim top, should be less than 0.5mm with the maximum clearance of following wheel rim.

3) parallelism of traction sheave and track adjusting wheel or double wrap sheave is not more than ± 1mm.

Six. the installation of car

1. scaffold is torn open about 400mm place to top layer flooring, on the well enclosure on opposite, doorway, cut a hole two circular cavities abreast, about 250 × 250mm, its width is consistent with the width on doorway, the Room, is not less than the lumps of wood of 200 × 200mm or support beam made by No. 20 channel-section steels with cross section, is stretched into one end in hole, another section of frame, on flooring, is used after level of corrections and is fixed. and the installation of car is pushed up station and is carried out under machine room.

On machine room is shown up, pad the lumps of wood, put the round steel that one section of diameter is greater than 50mm, hung one, the electronic or bottle gouard moved by hands being not less than 3 tons by machine room preformed hole, for lifting.Enter in hoistway carry out car assembled before need to wear hard hat required at all times, safety strap, antiskid shoe, at machine room internal fixtion safety line, put into hoistway under rope, enter in hoistway carry out the operations such as assembled car time, need the suspension hook of safety strap to be fixed on above safety line.

1) lie on supporting traverse by car frame underbeam, correct the levelness of plane on underbeam and be no more than 2 ‰, first-class safety gear block and dash plate, the gap between guide rail end face and safety gear block should be even, now should firm underbeam, prevents movement.

2) be hung on underbeam by car floor, carry out at this moment, between bearing cross beam and base plate, add tab as spliced, the levelness of adjustment base plate is no more than 3 ‰, with bolt connecting bottom board and underbeam.

3) holding up both sides straight beam is connected fastening by it with underbeam and base plate, and adjustment straight beam is no more than 1.5mm at its whole height.

4) to sling upper beam, it is connected fastening (M16) with both sides straight beam bolt, again corrects the squareness of straight beam, do not allowed twist and warping moment.

2. boots led by dress

Lead boots have rolling and slide two kinds.Sliding guide shoe is divided into again spring loaded and fixed type two kinds, express elevator many employings rolling guide shoe, and quick or slower elevators, adopts spring loaded sliding guide shoe, or adopts fixed type to lead boots without spring.

1) will lead boots connects fastening at upper underbeam, should coincide good, not deflection and do not produce the phenomenon of cutting guide rail.

2) no matter car leads boots and counterweight leads boots, leads boots and should be positioned on same vertical plane surface for upper and lower four.

3) adjustment has spring to lead boots pressure to make it even, and leading gap between boots and guide rail end surface without spring should individual 1mm evenly and about being not more than.

3. safety tongs is installed

Safety tongs is divided into instantaneous formula and gradual two kinds.When rated speed of lift is more than 0.63m/s, car adopts progressive safety gear.When command speed is no more than 0.63m/s.Adopt instantaneous safety.

1) installation site and size

Be arranged on the connecting panel at sedan-chair frame cross sill two ends, bolt and nut need not overtorquing, and size is shown in specification sheets.

2) adjust the gap of wear-resisting lining and guide rail both sides, ensure that volume gap, both sides is 2.5mm ± 0.1mm, after adjustment, screw bolt and nut is screwed.

3) safety tongs lifting rod bolt is screwed on safety tongs voussoir, voussoir is promoted.

Seven. the installation of counterweight and hoist ropes

1. counterweight is in order to balance car deadweight and part hoisting capacity.

1) first to remove on counterweight frame each up and down on one side when mounted and lead boots, then counterweight frame is entered guide rail and loaded onto by the boots of leading pulled down, (as when car support and counterweight frame are on same assembly set, counterweight frame is first put into.）

2) in counter weight guide track center by pit about about 5m eminence.Suspend a chain block in midair securely, be used as to lift by crane counterweight.

3) car is when two end station level positions, the distance S between counterweight bottom buffering plate or car frame plank dash plate to energy disperser end face.

4) counterweight frame sling is to selected S value height and position, good with pin pad, then installs down and leads boots.

5) treat that steel rope installs, after removing timber, load onto catch fence, be not more than 300mm apart from ground bottom it, top is not less than 2500mm apart from ground, and the wide movable parts that at least equals need protect the every limit of width of part to add 100mm.

6) will add one by one in frame pouring weight; Total weight=car deadweight+(40-50) % rated load weight of centering.

7) will fix pouring weight with pinch device.

2. the installation of traction steel-cable

1) length of hoist ropes intercepting, according to elevator, actual conditions must be installed to determine, car is positioned at top layer position, counterweight is positioned at the position of bottom apart from draft gear travel place S, adopt the galvanized wire of 2mm by sedan-chair frame upper beam by doing actual measurement through steel wire rope taper sleeve combination place around to counterweight top in machine room, add car when mounted actual position exceed a segment distance of The Highest Tower aspect, and add the surplus of 0.5mm, be the Len req of hoist ropes.

The following formula of long L of restricting is determined: single wrap: L=0.996 × (x+2z+q)

Compound-wound: L=0.996 × (x+2z+2q)

Wherein: Z is that steel rope is in Intrapyramidal length (comprising steel rope back bending part in pigtail taper sleeve)

Q is the height 2.5mm that car sill exceeds lading door dill ²above copper cash walks around traction sheave track adjusting wheel to counterweight from car, and the length that method measurement lift car rope head centrum is exported to the outlet of counterweight fag end centrum is X.

2) when cutting rope, first with gasoline, rope is wiped clean, and check with or without phenomenons such as knotting, distortion, presented shares.Preferably prestension on the ground, to eliminate internal stress, or when lanyard one end and sedan-chair frame upper beam fixing after, other end free suspension also can play the effect that part eliminates internal stress.

3) time for avoiding intercepting, rope strand is loose, should first divide three sections to tighten with No. 22 galvanized wires, and then block.

4) clean tapered sleeve with gasoline, then rope is penetrated, untie the galvanized wire of end, twist into bow structure or winding by loose for each stock steel wire.Then draw in tapered sleeve by ready-made rope sling, steel wire must not expose tapered sleeve.Babbitt matal is heated to 270-350 degree (namely arriving the degree that color becomes jaundice) and removes dregs, tapered sleeve is preheating to 40-50 degree, now can water, position should exceed tapered sleeve gate land 10-15mm simultaneously.The junction of steel rope and tapered sleeve thereof, at least should bear 80 ﹪ of the minimum breaking load of steel rope.

5) hang hoist ropes, rope is walked around traction sheave track adjusting wheel from car jack-up by machine room floor.

The installation of energy disperser

Energy disperser is divided into spring bumper (spring buffer) and oleo gear (hydraulic buffer) two kinds, accumulator buffer is applicable to the elevator of V≤1m/s, hydraulic buffer is applicable to any command speed, and oleo gear used by this elevator (HFVM80010.5CG type).

1. surpassed distance

1) surpassed distance under car; When sedan-chair baseplane is concordant with floor plane terrace, sedan-chair bottom girder dash plate is surpassed distance to the distance of energy disperser end face, and when using spring bumper, this surpassed distance is 200-350mm.When using oleo gear, surpassed distance is 150-400mm.

2) surpassed distance under counterweight; When sedan-chair baseplane is concordant with top terrace, counterweight frame dash plate is surpassed distance to energy disperser end face distance.

Spring bumper → surpassed distance is 200-350mm oleo gear → surpassed distance is the technical requirements that 150-400mm2. installs energy disperser:

1) by the planimetric position that elevator civil engineering master layout is fixed, for the elevator having pit channel-section steel, by bolt, energy disperser is fixed on pit channel-section steel, does not establish the elevator of pit channel-section steel, energy disperser requires to erect according to surpassed distance by building concrete pier, fixing employing holding-down bolt or expansion bolt.

2) technical requirements of energy disperser is installed:

A) off centering of energy disperser center to sedan-chair bottom girder dash plate or counterweight frame dash plate must not more than 20mm.

When b) installing 2 energy dispersers on same foundation, its end face relative height difference must not more than 2mm.

C) the plummet degree difference of oleo gear movable plunger, should more than 0.5mm, and filling amount is correct.

The installation of velocity limiter, expansion tightening wheel

1. velocity limiter strict test-based examination before dispatching from the factory, has defined operating speed scope, arbitrarily must not adjust the spring pressure of velocity limiter during installation, in order to avoid affect the responsiveness of velocity limiter.

2. velocity limiter is that restriction lift car exceeds the speed limit descending safety device, when elevator overspeed is to during the speed of velocity limiter action during V, velocity limiter action, tie by speed limiter wire rope after velocity limiter action, and simultaneously by safety gear switch disconnect, make towing machine and drg dead electricity out of service as car because of out of control or skid and continue drop, velocity limiter just pulls safety tongs pull bar, make safety tongs action, car is firmly fixed on guide rail.

3. on bearing beam or machine room floor, fill velocity limiter base plate velocity limiter is installed.The method of velocity limiter location be the vulgar wirerope diameter center calculation of a line velocity limiter grooving in hang plumb bob vertical, by fag end handle hole on machine room floor top preformed hole and car frame, then align with the race of pit swelling device.

4. the connection of speed limiter wire rope, adopt little tapered sleeve, technique is identical with traction steel-cable.

5. the installation of velocity limiter and expansion tightening wheel device should make the plummet degree of governor sheave be no more than 0.5mm.Rope all should more than 10mm to the deviation of the distance of guide rail.

6. adjust the slack rope safety switch of expansion tightening wheel device to appropriate location, control circuit should be able to be disconnected when rope elongation or when should be able to break when breaking and force elevator out of service.

7. rope swelling device bottom surface is 450 ± 50 apart from the height on pit ground.

8. governor tripping speed is not less than 115 ﹪ of command speed, and is less than following numerical value:

A) instantaneous safety beyond 0.8m/s roller

B) instantaneous safety of 1.0m/s roller

C) 1.5m/s is used for the progressive safety gear that command speed (v) is no more than 1.0m/s

D) 1.25v+0.25/v is used for the progressive safety gear of rated speed of lift more than 1.0m/s

9. velocity limiter should indicate the hand of rotation corresponding to safety tongs action.

10., during velocity limiter action, the expanding force of governor rope at least should be the higher value of following two values: 300 or safety tongs to work the twice of required power.

The wheel carrier of 11. tensioner equipment, should ensure flexible motion on guide rail.

The installation of compensated chain

When lifting height of lift is more than 30 meters, should adopt compensated chain, its one end is connected to counterweight bottom, and another section of limit is connected on car frame bottom.The length L=hoisting depth+5000mm of compensated chain, should seal in halyard in chain, its length L=3L when mounted, installs compensated chain, can carry out when elevator debugging.

The installation of electric part

One. in hoistway:

1. wire way or pipe lay.

A. wire casing or pipe are loaded in the inside wall of doorway, the Room, and on machine room floor tube seat preformed hole, 25mm place puts down a plumb bob vertical, and at pit internal fixtion, for installing wire casing or pipe correction use.

B. electric hammer punching, fixed expansion bolt.

C. the absolute altitude measuring every layer indicates corresponding position to select the suitable perforate edge of a knife according to number of electrical lines, connection metal flexible pipe and wiring tube at calling case, the floor of every layer.

D. according to number of electrical lines in wiring, electric wire is put into wire casing, electric wire two ends indicate that wire size is each passed through metallic hose and each floor indicates.Call button case, the devices such as Room door mechanical electric interlocking connect.

E. wire casing is connected with joint is at a right angle with metallic hose, is also connected with wire casing between hoistway halfway junction box with automatically controlled screen.

2. notice during laying wire are as follows:

A. number of conductors should leave sufficient surplus, should not exceed 60 ﹪ of net area in wire casing to the gross area (comprising insulating barrier) of wire way laying wires.

B. for button, proximity switch etc. are subject to the circuit of outer signals interference, should adopt metal shielded wire, to avoid interference mutually, bungle occur.

C. power and control path lay respectively, wire come in and go out metal pipe mouth or by metal wooden partition place answer reinforced insulation and smooth retaining protection.

D. should adopt the electric wire of different colours, when using mono color electric wire, wiring mark need be engraved at electric wire two ends.

3. the installation of floor instruction, calling case, fire-fighting button

First electric parts in box is split out, keep properly, by arrangement requirement, filling is buried on the wall in box level land, with cement mortar by box limit and wall floating, measure metallic hose length, wear wire and be connected with wire casing (or connection box), installed by electric parts, the number of pressing wiring, finally installs panel again.

4. the installation of cable

A. on car frame underbeam and well enclosure, cable bracket is fixed, lift well cable frame is contained in the high half of lifting and adds on the well enclosure of 1.5m height again, fixes with holding-down bolt.B. be connected with cable bracket at the bottom of sedan-chair cable one end, the other end is connected with lift well cable frame, and radius of cable bends is not less than 400mm, and two ends reserve the length of ligation.C. cable length is suitable, when car is at bottom, cable must not be collided with the energy disperser of pit, when car hits crouching ground, top, cable is unlikely to further, have and enough hang length from above, after cable hangs up cable bracket, tighten with No. 20 galvanized wires, make cable and sleeve without rotation, binding length is about 30mm, and then back bending reusable lead silk is tightened once, makes binding firm.

5. the installation of hoistway halfway junction box

When lift well cable is set up in hoistway midway location, 200mm place installing hoistway halfway junction box above lift well cable.Be fixed on well enclosure with anchor bolt.

6. on car

I. the installation of sedan-chair top connection box

Sedan-chair top connection box is positioned at gate side, sedan-chair top, is connected on sedan-chair top board with bolt, and car cable electric wire collecting, in this case, is connecing the pipeline etc. of panel block, sedan-chair top-opening door machine etc. respectively.

II. the installation of limit switch

It is the inhibiting device preventing car from travelling in the top and bottom excess of stroke, and namely work when car is positioned at top, bottom 40-70mm place of being out of the line, cutting-off controlling loop, impels car out of service.

III. end station forces the installation of speed reduction gearing

When dry spring Sensor failures, when preventing car travel to top, the bottom, hit top fast and to squat the device on ground.This device of alternating-current electrical lift to be arranged in hoistway on car guide rail frame, utilize sedan-chair frame column touch iron to work.One is respectively filled at top layer and bottom.

It is corresponding with the highest of floor selector or bottom changing-over position that top layer when elevator speed is more than or equal to 1.6m/s and bottom respectively fill two (multilayer, individual layer) its positions.

When using bistable magnetic swich, bistable switch is contained in the top of car guide rail side, and by the guide rail both sides of magnet cartridge in corresponding bistable magnetic swich the unknown, its effect is the same.

IV. the installation of flat bed device

Flat bed device is positioned on the downside of the upper beam of sedan-chair top on fixed mount, utilizes and is contained in plate on each layer car guide rail, make dry spring sensor actuation, controls leveling opening.Behind the gap of adjusting Room door and car ground car sill, adjust dry spring sensor consistent with plate gap.When using bistable magnetic swich, dress method is the same.

V. on car upper beam, install safety tongs gang switch, when under elevator, drive over the speed limit in direction, safety tongs action, makes switch disconnect, and cuts off elevator controlling loop circuit power supply.

Machine room part

1. control housing

According to the requirement of arranging, control housing position generally away from door and window, should be not less than 600mm-700mm with the distance of door and window, wall, and liftoff 300mm is so that operation and maintenance, and closed side is not less than 50mm.

2. limit switch is used for alternating-current electrical lift, and be loaded on power of computer room plate, when car movement exceedes high-low limit control position, the baffle plate being positioned at sedan-chair top presses travel switch or haulage cable connecting rod in hoistway, limit switch is disconnected, to cut off general supply.

(1) when car exceedes high-low limit control position 150-200mm, limit switch must be had an effect.

(2) limit switch should keep flexibility and reliability, and by experiment, to determine that it can normally work.3. elevator main supply switch

Battery isolator control should be contained on the wall in machine room gangway as far as possible, and this battery isolator control, is provided for oneself by user usually, pays attention to and place when civil Engineering Design is constructed.

4. machine room wiring

According to wiring regulation line number number, select wire casing or poling specification and press the wiring of terminal clamp wire size, initial line is straight, and the end of a thread wants clean, connects and wants reliably, and wire must not have and exposes or have short circuit phenomenon with wire casing.

3. ground connection

Should separate all the time from entering zero line and grounding jumper power of computer room, the color of grounding jumper is yellow and green insulated line, the electrical equipment metal case except below 36v safety voltage, all should be provided with the ground terminal being easy to identify, and should have good ground connection.Grounding jumper should directly be connected on ground connection terminal respectively, ground connection again after must not being connected in series mutually.

Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:

Achieve efficiency higher, safety is higher, and the elevator comfort after installation is better, the technique effect that service life is longer.

Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (8)

1. an elevator mounting process, is characterized in that, described technique comprises:

Mechanical equipment installation technique and installation of electrical equipment technique, wherein, described mechanical equipment installation technique specifically comprises:

First carry out preorder and preparatory process is installed, then carry out sample plate frame making and erection and datum line and hang; Then rail brackets and guide rails assembling is carried out; Then the installation of Room door is carried out; Then the installation of bearing beam and towing machine is carried out; Then the installation of car is carried out; Then the installation of counterweight and hoist ropes is carried out; Then the installation of energy disperser is carried out; Then the installation of velocity limiter, expansion tightening wheel is carried out; Then the installation of chain is compensated;

Described installation of electrical equipment technique specifically comprises: the installation of electrical equipment and the installation of machine room electrical equipment in hoistway.

2. elevator mounting process according to claim 1, is characterized in that, described preorder is installed preparatory process and specifically comprised: the inspection of camp site; Check elevator accessory; Erecting scaffold; Hoistway, machine room installation illumination.

3. elevator mounting process according to claim 1, is characterized in that, described sample plate frame makes and erection and datum line hang and specifically comprise: the car oad arranged according to elevator, carries out sample plate frame making with dry timber; Bracket made by the lumps of wood that processing transversal surface is greater than 100*100mm, and fixed by bracket with the reinforcing bar of M16 expansion bolt or M16, levelness sheet iron is aligned, and is fixed on bracket with nail by sample plate frame, does line-transect with 8# steel wire; Below hoistway top, angle steel or bolster are horizontally fixed on well enclosure by 1.2m expansion bolt or reinforcing bar; If well enclosure is brick wall, under hoistway top, hole is picked in the horizontal direction by 1.1m place, steady lay out board timbering, and model timbering end winding support.

4. elevator mounting process according to claim 1, it is characterized in that, describedly carry out rail brackets and guide rails assembling specifically comprises: after the operating line of sample plate frame puts down, first check whether the preformed hole of well enclosure or the position of embedded iron and size dimension require to conform to civil engineering; With expansion bolt fixed guide support; In a pre-installation guide rail is tested, then by guide rail gasoline or kerosene wiping, the place of wound or distortion is repaired, wherein: every root guide rail has two supports at least, and two stands spacing is less than 2.5m; Guide rail male and female head is cleared up; Guide rail bracket is greater than 200mm apart from guide rail splice; Distance top floor is less than 0.5m place installation one support; Guide rail lower end is supported on ground guide seat; Guide rail is fixed on rail brackets, and tightens with pressure guide plate bolt of rear end plate, wherein: at every row guide rail apart from center-side 5mm place suspension one plumb bob vertical; Correct with clamp, first with slightly blocking correction, difference is thick school guide rail from bottom to up, the deviation between 3 driving surfaces of school guide rail and guide rail plumb bob vertical, guide rail after the adjustment of thick school, also needs to carry out measuring and adjustation with smart school slide calliper rule to the spacing of two row guide rails, squareness, partial twist degree; Wherein: the spacing deviation on two row guide rail end surfaces is ± 2mm, often the every 5m deviation of the installation reference line of row working face of guide rail is 0.6mm; Gap, rail joint place is less than 0.5mm; Lean against guide rail surface by 300mm Steel Ruler, the step detecting rail joint place with feeler gauge is less than 0.05mm.

5. elevator mounting process according to claim 1, is characterized in that, described in carry out bearing beam and towing machine installation specifically comprise:

Bearing beam is installed: the bearing beam two ends degree of depth imbedded within the walls is greater than wall thickness 20mm, and is not less than 75mm, and the levelness above of every root bearing beam is 0.5 ‰, and the height error between bearing beam is adjacent is 0.5mm, and bearing beam degree of being parallel to each other error is 6mm; Track adjusting wheel be arranged on machine room floor or bearing beam, a plumb bob vertical is respectively put at counterweight center on the sample plate frame of aligning hoistway top and car center, in track adjusting wheel two sides, two auxiliary plumb bob vertical are separately put according to track adjusting wheel width, in same plane, make two auxiliary plumb bob vertical connect vertical two lines of centres, with correcting track adjusting wheel horizontal direction beat; The parallelism franchise of track adjusting wheel and traction sheave is for being less than ± 1mm, and the squareness of track adjusting wheel is less than 0.5mm; Track adjusting wheel error in mounting position is ± 0.5mm at fore-and-aft direction, is 1mm at left and right directions;

The installation of towing machine: utilize the embedded iron in machine room on top or iron hoop, hoist is hung up, then towing machine is sling, be placed on bearing beam; Shock absorption device is had, the steel plate on towing machine chassis and bearing beam bolt or integrally welded between towing machine and bearing beam; The correction of towing machine installation site: need draw a horizon before correction above towing machine, hangs below from this horizon and puts two plumb bob vertical, and aims at car center-point and counterweight center-point that on hoistway, sample plate frame marks respectively; Again according to the pitch circle diameter of traction sheave, level hangs again and puts down another root plumb bob vertical, according to the pitch circle diameter plumb bob vertical of car center plumb bob vertical and towing machine, the installation site of adjustment towing machine, reaches: 1) traction sheave position deviation front and rear direction is less than ± 2mm; 2) the axial levelness of traction sheave puts a plumb bob vertical from traction wheel rim top, is less than 0.5mm with the maximum clearance of following wheel rim; 3) parallelism of traction sheave and track adjusting wheel or double wrap sheave is less than ± 1mm.

6. elevator mounting process according to claim 1, it is characterized in that, the described installation carrying out car specifically comprises: 1. scaffold is torn open 400mm place to top layer flooring, on the well enclosure on opposite, doorway, the Room, cut a hole two circular cavities abreast, its width is consistent with the width on doorway, the Room, the lumps of wood of 200 × 200mm is greater than or support beam made by No. 20 channel-section steels with cross section, stretch in hole by support beam one end, another end-rack of support beam, on flooring, is fixed after level of corrections; 2. carry out leading boots to install; 3. carry out safety tongs installation; 4. carry out sedan-chair wall, sedan-chair mounting of roof plate; 5. carry out crosshead sheave installation.

7. elevator mounting process according to claim 1, is characterized in that, the installation of described counterweight and hoist ropes specifically comprises:

1. counterweight is installed:

1) first remove when mounted counterweight frame up and down each one lead boots, then counterweight frame is loaded guide rail and again the boots of leading pulled down is loaded onto; 2) in counter weight guide track center by pit 5m place upward, suspend a chain block in midair; 3) car is when two end station level positions, and the distance S between counterweight bottom buffering plate or car frame plank dash plate to energy disperser end face is preset value; 4) counterweight frame sling is to selected S value height and position, good with pin pad, then installs down and leads boots; 5) treat that steel rope installs, after removing timber, load onto catch fence, be less than 300mm apart from ground bottom catch fence, top is greater than 2500mm apart from ground, and is wider than and equals movable parts and need protection portion partial width to add 100mm; 6) will add one by one in counterweight frame pouring weight; 7) will fix pouring weight with pinch device;

2. the installation of traction steel-cable:

1) length that hoist ropes intercepts is determined, adopt the galvanized wire of 2mm by sedan-chair frame upper beam by doing actual measurement through steel wire rope taper sleeve combination place around to counterweight top in machine room, add car when mounted actual position exceed a segment distance of The Highest Tower aspect, and add the surplus of 0.5mm, be the Len req of hoist ropes;

2) when cutting rope, first with gasoline, rope is wiped clean, and check with or without knotting, distortion, presented shares phenomenon, on the ground prestension;

3) time for avoiding intercepting, rope strand is loose, first divides three sections to tighten with No. 22 galvanized wires, and then blocks;

4) clean tapered sleeve with gasoline, then rope is penetrated, untie the galvanized wire of end, twist into bow structure or winding by loose for each stock steel wire; Then draw in tapered sleeve by ready-made rope sling, steel wire must not expose tapered sleeve; Babbitt matal is heated to 270-350 degree and removes dregs, tapered sleeve is preheating to 40-50 degree simultaneously, now can waters, pouring position should exceed tapered sleeve gate land 10-15mm; 80 ﹪ of the minimum breaking load of steel rope need be born in the junction of steel rope and tapered sleeve thereof;

5) hang hoist ropes, rope is walked around traction sheave track adjusting wheel to counterweight upper end from car jack-up by machine room floor, it is firm that two ends connect;

6) hoist ropes hangs up properly and mentions car with the cucurbit on hoistway top, remove the crossbeam of holder car, car is put down, put down rear preliminary adjustment fag end combination nut, then after elevator runs a period of time, adjustment hoist ropes is carried out again, make every root hoist ropes answer uniform stressed, its tension force and mean deviation are all less than 5 ﹪, and each fag end jam nut is all provided with locking pin.

8. elevator mounting process according to claim 1, is characterized in that, described in carry out velocity limiter, the installation of expansion tightening wheel specifically comprises:

1. on bearing beam or machine room floor, fill velocity limiter base plate install velocity limiter, hang in velocity limiter grooving plumb bob vertical, by fag end handle hole on machine room floor top preformed hole and car frame, then aligns with the race of pit swelling device; 2. the connection of speed limiter wire rope, adopt little tapered sleeve, technique is identical with traction steel-cable; 3. the installation of velocity limiter and expansion tightening wheel device makes the plummet degree of governor sheave be less than 0.5mm, and rope is all less than 10mm to the deviation of the distance of guide rail; 4. adjust the slack rope safety switch of expansion tightening wheel device to appropriate location, disconnect control circuit when rope elongation or when breaking and force elevator out of service; 4. rope swelling device bottom surface is 450 ± 50mm apart from the height on pit ground; 5. governor tripping speed is greater than 115 ﹪ of command speed; 6. velocity limiter is indicated the hand of rotation corresponding to safety tongs action; 7., during velocity limiter action, the expanding force of governor rope is at least the higher value of following two values: 300 or safety tongs to work the twice of required power.