CN203878476U - Tracklayer reconstructed by DJ180 bridge girder erection machine - Google Patents

Abstract

The utility model discloses a tracklayer reconstructed by a DJ180 bridge girder erection machine, and relates to the technical field of railway or bridge building equipment. The tracklayer comprises a machine arm, a tail bracket, a moving-forward vehicle, a moving-backward vehicle, a zero post, a first post, second posts and a third post, wherein a front platform vehicle is mounted below the first post; and a rear platform vehicle is mounted below the second posts. According to the tracklayer disclosed by the utility model, the DJ180 bridge girder erection machine is reconstructed, the tracklayer can be easily dismounted and mounted, has a walking function, and can quickly convert a track laying pattern and a bridge erection manner mutually, so as to realize the synchronous conduction of track laying and bridge erection. The investment cost of the equipment is reduced, the construction operation staff is simplified, the construction cost is greatly reduced, the working efficiency is improved, and the construction progress is quickened.

Description

Utilize the track-laying machine of DJ180 Bridge Erector transformation

Technical field

The utility model relates to railway or bridge construction equipment technical field.

Background technology

DJ180 Bridge Erector, for setting up the prestressed steel reinforced concrete beam sheet of 40 meters of highway bridges and following span, 32 meters, railway beam and following span, is laid the 25m railway section of track.This machine belongs to single armed freely-supported type, and can set up beam sheet maximum span is 40 meters, can realize the traversing beam sheet of full width machinery, reach the beam that once falls and put in place, in the same industry, have simple in structure, lightweight, transport easy to assembly, function admirable, feature that automated procedures are high.Although this Bridge Erector has very large advantage, the same with setting a roof beam in place while laying the 25m section of track due to roadbed, need via hole at every turn, therefore to lay a railway track apart from roadbed with respect to long, speed of application is slow, shows the deficiency of this equipment.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of reworked track-laying machine, it is the transformation to DJ180 Bridge Erector, this machine easy disassembling, possesses walking function, and the mutual conversion that can lay a railway track fast between pattern and bridge formation pattern, realization is laid a railway track and is carried out with building bridge to synchronize, and reduces equipment investment cost, simplifies construction operation personnel, greatly reduce construction cost, increase work efficiency and construction speed.

For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of track-laying machine that utilizes the transformation of DJ180 Bridge Erector, comprise horn, tail bracket, front driving, rear driving, No. zero post, a post, No. two posts and No. three posts, below a described post, front chassis is installed, rear chassis is installed below No. two posts.

Described front chassis comprises front trolley bracket, front truck crossbeam, be divided into two pairs of driving wheels of front trolley bracket both sides and be positioned at two pairs of driven pulleys in the middle of front trolley bracket, and two pairs of driving wheels are all in transmission connection with drive motors; The structure of described rear chassis is identical with the structure of front chassis, and front chassis is identical with backstage vehicle-width, and rear chassis length over ends of body is greater than the length of front chassis; The electrical control cubicles of the front chassis of described control and rear chassis is arranged on No. two post outriggers, and this electrical control cubicles power supply is communicated with Bridge Erector power supply.

The front truck crossbeam that a described post lower end is walked cross girders and front chassis for No. one is bolted to connection; The rear car crossbeam that No. two post lower ends are walked cross girders and rear chassis for No. two is bolted to connection.

The front end of described horn is provided with extension arm, and No. zero post is arranged on this below, extension arm end.

The beneficial effect that adopts technique scheme to produce is: the utility model is reequiped existing DJ180 Bridge Erector and on-the-spot Beam transportation vehicle, specifically removes the cross moving track of a post and No. two posts; Beam transportation vehicle is transformed, removed chassis end face rotating disk, and size before and after car body is widened to lengthening, be arranged on the downside of a post and No. two posts, make the track-laying machine after repacking there is walking function; Track-laying machine and DJ180 Bridge Erector after repacking can be changed mutually simultaneously, and therefore this track-laying machine, also with the function of building bridge, can be realized bridge formation limit, limit and lay a railway track;

The utility model, by the improvement to existing Bridge Erector, is built bridge convenient with the pattern conversion of laying a railway track, and can realize dual-use, build bridge and carry out with laying a railway track to synchronize, greatly reduce equipment investment cost, simplify construction operation personnel, can reduce construction cost, increase work efficiency and construction speed.

Brief description of the drawings

Fig. 1 is the utility model structural principle schematic diagram;

Fig. 2 is post of the utility model pattern partial structurtes schematic diagram of laying a railway track;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is No. two posts of the utility model pattern partial structurtes schematic diagrames of laying a railway track;

Fig. 5 is the left view of Fig. 4;

The structural representation of Fig. 6 the utility model transition status;

Fig. 7 is the utility model track-laying machine force analysis schematic diagram;

Fig. 8 is the utility model track laying flow chart;

In figure: 1, extension arm; 2, horn; 3, No. zero post; 4, a post; 5, front chassis; 6, No. two posts; 7, rear chassis; 8, front driving; 9, rear driving; 10, No. three posts; 11, tail bracket; 12, track; 13, Beam transportation vehicle; 14, the section of track; 15, walk cross girders No. one; 16, a connecting sewing; 17, front truck crossbeam; 18, front trolley bracket; 19, drive motors; 20, driving wheel; 21, driven pulley; 22, walk cross girders No. two; 23, No. two connecting sewings; 24, rear car crossbeam; 25, rear trolley bracket; 26, electrical control cubicles; 27, hydraulic jack, 28, roadbed.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

The utility model is in the yellow railway four bid section paving frame engineerings in Handan, to the DJ180 Bridge Erector of existing use in construction, it is the same with setting a roof beam in place when roadbed is laid the 25m section of track, need via hole at every turn, with respect to long apart from roadbed lay a railway track show this equipment deficiency, cannot meet the problem of node construction period and the improvement carried out.The yellow railway four bid section paving frame engineerings in Handan, DK339+300～DK352+800 section is positioned between Haixing County and Huanghua City, and main track is laid a railway track 13.5 kilometers, T erection 45 holes.Because Xian Xia unit's subgrade construction progress is slow, cannot form Bridge Erector traveling roadbed and carry out T erection; And this bridge location, region is mainly crosses over stream, and without beam transporting passage, mobile crane cannot set up.

For alleviating operation pressure, transform existing combined DJ180 type Bridge Erector, make improved track-laying machine possess the ability of setting a roof beam in place while laying a railway track.

One, concrete transformation is as follows:

1. extract the cross moving track of post of DJ180 type Bridge Erector 4, No. two posts 6;

2. reequip railway steamboat Beam transportation vehicle: extract existing Beam transportation vehicle end face rotating disk, widen processing, be adapted as front chassis 5 and rear chassis 7; Before after repacking, the long 2.1m of chassis 5 vehicle body, overall width 4.4m(are shown in Fig. 1, Fig. 2); After after repacking, the long body 2.6m of chassis 7, overall width 4.4m(are shown in Fig. 3, Fig. 4);

3. the front chassis 5 after repacking is arranged on to post 4 lower ends No. one, makes the cross girders 15 of walking for No. of post 4 lower ends be fixedly connected with (seeing Fig. 1, Fig. 2) with the front truck crossbeam 17 of front chassis 5 by high-strength bolt; Rear chassis 7 is arranged on post 6 lower ends No. two, makes the cross girders 22 of walking for No. two of No. two post 6 lower ends be bolted to connection (seeing Fig. 3, Fig. 4) with the rear car crossbeam 24 of rear chassis 7; In the symmetrical installation of front chassis 5 transverse ends downsides, two hydraulic jack 27(are shown in Fig. 6);

4., when Bridge Erector is assembled, the extension arm 1(that increases by joint 7m in horn 2 front sides is referring to Fig. 5), Bridge Erector total length 61m(is containing tail bracket 11), No. zero post 3 is arranged on this extension arm 1 below, end;

5. the electrical control cubicles 26 of front chassis 5 and rear chassis 7 is installed on No. two post 6 brackets (referring to Fig. 4), and these electrical control cubicles 26 power supplys are communicated with Bridge Erector power supply;

6. change the interior PLC program controller of Bridge Erector tail bracket 11 for two PLC controllers;

7. from No. zero post 3 position calculation, on horn 2, respectively dig out a curved beam apart from No. zero post 32m, 47m place, while transformation for Bridge Erector, be connected with horn.

The feasibility analysis that transformation is implemented:

1. the operating mode of laying a railway track force analysis (referring to Fig. 7):

Q-horn evenly distributed load q=1t/m

P1-No. zero post weight P1=2.75t

P2-No. mono-post curved beam weighs and front chassis gross weight P2=17.9t

P4-No. bis-post curved beam and chassis gross weight P4=25.8t

P3-front driving and rear driving gross weight P3=4.45t

P5-No. tri-post weight P5=5.65t

P6-tail bracket weight P6=3.2t

2. stability is calculated:

Overturning moment: M _incline=P1 × 32+q × 33 ²/ 2=2.75 × 32+1 × 33 ²/ 2=632.5t.m

Trimming moment: work as R _b=0 o'clock

M _flat=q × 28 ²/ 2+P4 × 15+P3 × 15+P5 × 27.6+P6 × 32.1=

1×28 ²/2+25.8×15+4.45×15+5.65×27.6+3.2×32.1=1104.41t.m

The coefficient of stability: n=M _flat/m _incline=1104.41/632.5=1.8 > 1.3

Conclusion: by theoretical numerical computations, it is safe and feasible that DJ180 Bridge Erector transform track-laying machine as.

Two, track laying step:

1) via hole:

front driving is retreated to a post position, and rear driving retreats to post position No. two;

extract two hydraulic jack of a post downside;

extract axis pin of column No. zero, 15cm hoists; Pack up No. three posts (apart from bottom surface 10cm);

remove post, No. two post walking systems (front chassis, rear chassis 7) skate;

the DJ180 Bridge Erector 23m that moves ahead; Prop up vertical No. zero post and No. three posts, lay skate.

2) lay a railway track:

beam transportation vehicle is once fed into post No. three by 4 groups of sections of track;

section of track lifting is advanced in front driving and rear driving; Be placed on a post, No. two posts, pluck rope; Beam transportation vehicle is return tracklaying base, transports next time;

front driving and rear driving, by the lifting of the top side section of track, move ahead 22 meters, fall to starting the section of track and connect;

after laying, carry out via hole operation.

Three, to be converted to the mode step of laying a railway track as follows for the pattern of setting a roof beam in place:

1., after girder erection by bridging machine completes, adjust a post and No. two post positions according to on-site actual situations.No. zero post and a post are apart from 32m, and a post and No. two posts, apart from 15m, are put on curved beam and front and back driving bearing pin.Remove post running motor reductor and extension, pumping plant is moved to cylinder outside No. one;

2. steamboat Beam transportation vehicle is reached to Bridge Erector afterbody, the front chassis after repacking is winched to after a post.Support No. zero post, No. two posts, shrink a post and remove cross moving track.Front driving drives a post to drop on front chassis, bracket and a post of chassis before connecting by drawing.Move into place and put on curved beam and horn bearing pin, support No. one post;

3. shrink No. two posts and remove cross moving track, rear driving drives No. two posts to drop on rear chassis, trolley bracket and No. two posts after connecting by drawing.Move into place and put on curved beam and horn bearing pin, support No. two post.The electrical control cubicles of front chassis and rear chassis is arranged on No. two column bracket framves;

4. the power supply of Bridge Erector generating set is connected in front chassis and rear chassis electrical control cubicles;

5. hanger rail row hook is installed on hanging beam shoulder pole, conversion work completes.

The pattern of setting a roof beam in place in the utility model can be changed mutually with the pattern of laying a railway track, the pattern of laying a railway track is converted to while setting a roof beam in place pattern, only need the cross moving track of dismounting, a post extension to reinstall return, and install by above step inverted order, while setting a roof beam in place state front and back drivings get rid of to No. two post rear sides can (not affecting Beam transportation vehicle feeding beam), due to the front chassis after repacking with the car body of rear chassis lengthens, widened section is all to form with former Beam transportation vehicle car body beam welding, do not affect the reinstalling of former Beam transportation vehicle end face rotating disk of dismounting.

Four, key points for operation:

1. No. two post places of this track-laying machine can be traversing, and traversing amount is 350mm.While laying curve rail, rear driving to falling behind section of track position, puts the section of track in place at No. two traversing horns 2 in post place section of track handling.While laying the small curve radius section of track, not in placely can manually with crowbar, the section of track be pushed to position as traversing.When track laying, whenever forbid a traversing post;

2. when track laying Bridge Erector via hole, need to arrange special messenger stare at control before and after chassis whether abnormal, within traveling speed should be controlled at 1km/h;

3. when track laying, extract No. one post extension; Lower No. zero post of flat slope state is inserted the 9th eye, and No. one post is inserted the 4th eye, and No. two post is inserted the 3rd eye.Complete machine height is 7.7m, and headroom is that the large arm of 3.5m(bottom surface is to crossbeam end face);

4. this track-laying machine is point simple and easy track-laying machine of car body wheel-track type, and chassis is from heavy and light.While laying a railway track, need support post No. zero, the pad of No. zero post must be leveled up surely.When track laying, No. zero post downside sleeper pad adopts 450mm × 20mm × 20mm hardwood.After pad, with spirit level, observe No. zero post prop up vertical situation, the left and right discrepancy in elevation≤15mm, verticality≤5 ‰ (vertical detection method: draw center line No. zero post side, 1 vertical is respectively installed and is detected cylinder verticality);

5. the standard of horn 2 leveling: operation horn discrepancy in elevation scope: No. zero post place and horn discrepancy in elevation scope-50～+ 150mm of post place are both between No. zero comparable low 50mm of post of post or high 150mm.No. three posts and a horn discrepancy in elevation scope 0～+ 100mm of post place, both between No. three comparable high 0～100mm of post of post.The operation horn discrepancy in elevation of setting a roof beam in place scope: a post place and No. two horn discrepancy in elevation scope ± 100mm of post place, both post was than between No. two high 100mm of post or low 100mm;

6. when track laying, track-laying machine walking system (front chassis and rear chassis); Must be fastening by skate " to wearing " mode, in order to avoid prevent from slipping car.

Five, material and equipment:

1. Bridge Erector is reequiped main machinery allocation table

2. Bridge Erector transformation main tool is equipped with table

3. track laying labour organization table

Six, quality control:

Requests for alternations:

1. structure, technical characterictic that skilled worker must be familiar with the machine are installed, and the installation of hydraulic part, electrical equipment must be undertaken by the skilled worker through special training;

2. checking before repacking: whether complete by assembly, the parts of the sequence number inspection vanning of finishing, check packing case, quantity, the kind of the packing slip OOBA (out of box audit) loose mail of contrast packing case; Check that whether each assembly, assembly and each member thereof be complete, intact, have or not damage, important installed surface has not damaged;

3. the assembling of electrical equipment: the installation of electrical equipment should be carried out according to label, and with reference to electrical schematic diagram;

4. while installation, to forbid to touch, the machined surface such as scratch installed surface, connecting pin, axle;

5. all bolts should be taken out and pick up after having twisted, and the bolt torque value qualification rate of same joint face should be more than 95%, otherwise the bolt of this joint face should be again all fastening;

6. to strictly observe lifting safety regulation for operations when section of track handling.

Quality requirement to circuit:

1. before laying a railway track, roadbed should spread the stone tiny fragments of stone, coal, etc. of the above thickness of 100mm;

2. require to spread circuit left and right rail difference in height and be not more than 40mm;

3. after rain, lay a railway track and should keep a close eye on the carrying situation of roadbed, should return in time behind Dai Zhenghao road the section of track again if any larger sinking;

4. after the section of track is laid, when splice bar is installed, tighten whole screws, degree of tightening should equate; Answer≤6mm of rail gap;

5. every group of section of track lay finish rear circuit trimming personnel must be by the skill rule standard trimming circuit that raises track, circuit level, gauge, direction must ensure to transport rail car traveling safety.

Seven, section of track lifting quality requirement:

1. section of track hanging bed operation: section of track car will be piled up neatly; When a handling, bundle firmly, prevent slippage; Hang the 25m section of track, should use two suspension centres, make the lower amount of deflection at the middle part of the side and two ends identical;

2. the quality requirement to wire rope:

The specification of wire rope, intensity, must meet the regulation requirement of this heavy-duty lifting machine.Wire rope is answered marshalling on reel, while emitting wire rope at work, when weight drops to lowest order, more than should retaining three circles on reel, in case wire rope end gets loose.When the fracture of wire radical of wire rope in a pitch exceedes the regulation of table, should more renew rope;

Wire rope is scrapped standard scale

When wire rope uniform wear, with degree of wear inequality, the standard broken wires of scrapping, should be multiplied by numeral that upper table checks in the listed conversion number of words of following table;

Conversion factor table

Its skin of wire rope be worn or corrode meet or exceed wirerope diameter 40% time, should scrap, or diameter reduces and 7% also should scrap.

Eight, safety measure

1. before construction, all belligerent personnel are carried out to safety education training, clearly oneself scope of offical duty, operation technological process, safety notice etc. of each personnel of group.Site operation personnel must wear mark, and clarification in certain roles responsibility, to scope of offical duty to one's name not, can not be evaded, ignores, and fast reaction is in time implemented to related personnel;

2. carry out after the knowwhy education and actual safety education training of system for personnel's follow procedure of being engaged in the special work posts such as electrical equipment, lifting, work high above the ground, motor vehicle driving, qualified through examination and the score of the examination, obtain after " certificate of safety operation ", Fang Zhun takes appointment with certificate;

3. when track laying, section of track upper and lower is forbidden the people that stands;

4. track laying, while stopping work, must adopt the urgent skate of " to wearing " mode, in order to avoid slip car, affect the pedestrains safety of driving a vehicle;

5. go up that high operating personnel must wear, correctly uses of seat belts, safety helmet;

6. unified command, communicates by letter unimpeded, and monitoring puts in place;

7. forbid strong wind weather >=5 grade to be laid a railway track;

8. circuit homework personnel meet fortune rail car by time, should dodge in time to safety place;

9. lift operating personnel and understand fully after signal understanding, can start machinery, rise, off the hook must slowly, surely, prevent from bringing to a halt.

Nine, environmental protection, conservation measures

Environmental goals:

1. strict implement country " environmental law " and railway road parent company and the engineering location government pertinent regulations to environmental protection.In work progress, accomplish " environmental protection six is inaccurate ", do not throw out without care disorderly and abandon; Not random sewer; Nonvoluntary damage vegetation; The nonvoluntary pioneer road of opening up; Nonvoluntary establishing built temporary works;

Environmental protection control measures:

1. do environmental protection investigation well, comprise farmland, draining, urban sewerage and drainage, River etc., understand local environmental protection content and requirement;

2. constructure scheme and environmental issue are considered simultaneously, few vegetation destruction, and nonvoluntary heap garbage, reduces construction fugitive dust and noise;

3. in construction, reduce impact and the interference on resident living such as noise, dust, smog as far as possible;

Soil-water protection technical measures:

1. the waste oil waste water of construction period generation, must adopt the effective measures such as grease trap to be processed, not discharge beyond standards;

2. protect original vegetation.Inside and outside plant, the trees etc. of contracted construction boundary are maintained the statusquo as possible; While surgerying trees and other economic plants, should obtain in advance the owner and owner's written instructions and agree to, forbid super scope to be cut down;

3. strictly forbid construction waste water, sanitary sewage directly to enter grassy marshland, river or pond, near the construction of life water source, adopt ditch or dykes and dams isolation, avoid polluting;

4. when temporary works is constructed in river course, pool, must not, to spoir in river, also must not arbitrarily change any flow direction, prevent erosion, temporory structure is thoroughly cleared up reinstatement original appearance after removing.

Ten, the analysis of techno-economic benefits

1. analyze the rear scheme of repacking:

Yellow railway four bid section DK339+300～DK352+800 intervals in Handan, after Bridge Erector is adapted as track-laying machine; Odd-numbered day is laid a railway track average one kilometer, and every group of section of track laid average 0.5h(and comprised via hole); The unit of laying a railway track needs operating personnel 12 people, and the duration is 15 days.Use this scheme to spend altogether 41.9 ten thousand yuan: 23.6 ten thousand yuan of this equipment modification expenses (steel construction piece 18000kg × 11 yuan/kg=198000 unit, electrical part sub-material expense add 38000 yuan of transformation expenses); Ten thousand yuan of labour cost: 12 × 15 × 200=3.6,10.9 ten thousand yuan of diesel oil, 0.8 ten thousand yuan of cost of materials, overhead cost are by 30,000 yuan of row;

2. analyze the scheme of manually laying a railway track:

Manually lay a railway track at present 11.5 ten thousand yuan/kilometer, amount to cost: 11.5Km × 13.5 kilometer=155.25 ten thousand yuan;

3. analyze the Bridge Erector scheme of laying a railway track before repacking:

Not 1 needs 1h of via hole before repacking, interval 13.5Km; Via hole needs 23 days.The 540 groups of sections of track of laying a railway track, need 8 days.Need 31 days if adopt Bridge Erector to lay a railway track;

In sum: after reequiping this scheme, amount to 113.4 ten thousand yuan of cost savings, the duration is saved 16 days simultaneously; Obtain good economic benefit.

11, the real row of engineering

This engineering method is lasted 15 days at newly-built Handan Huang railway four bid sections, construction mileage DK339+500～DK352+800 interval, smoothly 13.5 kilometers of laying-outs.For the yellow railway solid foundation that completion is laid smoothly in Handan.Lay a railway track to set a roof beam in place in the distance of DJ180 bridge formation captain from now on and synchronously carry out aspect equipment modification, providing valuable reference experience.

The skate using on railway station, is all bilateral brake shoe, and its formation is divided into two parts: bottom and head.Bottom: wheel is set foot on after sole, utilizes head that wheel is blocked, and footwear and wheel is slided jointly and a braking action.Head part toe-cap, baffle plate two parts.So-called skate braking, exactly one with or two place skate with on rail, on the pressure wheel rolling forward, after skate, just slide along rail, between wheel track, become sliding friction from rolling friction, stop detent roller to advance, play braking action.The rail level that skate is applicable to various different sizes uses, and when vehicle wheel is when setting foot on scotch block, scotch block locking device is opened automatically, with vehicle synchronous operation, and can the smooth-going rail joint that passes through; When vehicle wheel is when backing off scotch block, scotch block locking device on rail level, reaches effectively anti-slip by automatic blocking, best antitheft effect.Open lock pawl with private key, be arranged on industrial siding or carry out vehicle anti-skid to hair line, during without private key, people cannot take skate away, plays anti-theft function and the anti-slip effect of safety.

This engineering method is applicable to DJ180 Bridge Erector in the construction of long distance paving frame, and the deduction and exemption step of manually laying a railway track, not affecting set a roof beam in place in the situation that, is carried out section of track laying; Improved operating efficiency simultaneously; For the type equipment modification from now on provides experience and foundation.

Claims (2)

1. one kind is utilized the track-laying machine of DJ180 Bridge Erector transformation, comprise horn (2), tail bracket (11), front driving (8), rear driving (9), No. zero post (3), a post (4), No. two posts (6) and No. three posts (10), it is characterized in that: front chassis (5) is installed below a described post (4), rear chassis (7) is installed below No. two posts (6); Described front chassis (5) comprises front trolley bracket (18), front truck crossbeam (17), be divided into two pairs of driving wheels (20) of front trolley bracket (18) both sides and be positioned at the two pairs of driven pulleys (21) in the middle of front trolley bracket (18), and two pairs of driving wheels (20) are all in transmission connection with drive motors (19); The structure of described rear chassis (7) is identical with the structure of front chassis (5), and front chassis (5) is identical with rear chassis (7) width, and rear chassis (7) length over ends of body is greater than the length of front chassis (5); The electrical control cubicles (26) of controlling described front chassis (5) and rear chassis (7) is arranged on No. two posts (6) outrigger, and this electrical control cubicles (26) power supply is communicated with Bridge Erector power supply; The cross girders (15) of walking for No. one of a described post (4) lower end is bolted to connection with the front truck crossbeam (17) of front chassis (5); The cross girders (22) of walking for No. two of No. two posts (6) lower end is bolted to connection with the rear car crossbeam (24) of rear chassis (7).

2. the track-laying machine that utilizes the transformation of DJ180 Bridge Erector according to claim 1, is characterized in that: the front end of described horn (2) is provided with extension arm (1), and No. zero post (3) is arranged on below, this extension arm (1) end.