CN2921108Y - Large-span comprehensive canal concrete pouring machine truss lifting and lowering device - Google Patents

Abstract

The utility model relates to a joist frame type ascend and drop device in concrete pouring machine for big span and integration type channel. The ascend and drop device is composed of a thread bar mounted on the joist frame walking apparatus at two ends of the main joist frame and a threads bar sleeve fixed and sleeved on the main joist frame. The thread bar sleeve is connected with a driving device consisting of a motor and a worm wheel thread bar unit. The utility model can neatly adjust the slop and the thickness of the poured concrete of the novel pouring machine. Therefore a plurality of arranging equipments are not only saved and the workers of the pouring concrete are minimized but also the device is benefit to the mechanization of the channel concrete construction, to the protection of the avoiding leakage and the instant temperature structure layer at the bottom of the channel and to ensure the construction quality of the pouring concrete.

Description

Large span complex channel concrete casting machine truss lifting gear

Technical field

The utility model relates to the plant equipment of a kind of big trapezoidal section canal surface construction of concrete lining.

Technical background

South water to north center line diversion works construction battle line is long, and the duration is tight, task is heavy, and general main canal major part along the line is the open channel engineering.The channel cross-section of river adopts trapezoidal cross-section, and the cast-in-situ concrete lining cutting is adopted on the surface.Wherein canal length of grade degree mostly is more than 25, and slope coefficient is 2.5-3.0.Canal lining thickness mostly is side slope 10cm, and base plate 8cm is 15cm at the bottom of the side slope canal of location, river shoal, and liner plate lower berth composite geo-membrane is strengthened antiseepage, lays the sandy gravel anti-freeze expansion below the impervious barrier of location, river shoal, and general canal section adopts the polystyrene thermal insulation plate anti-freeze expansion.At present, the method for channel slope protection concrete construction is a lot, as conventional job practices formwork erection, block placement concrete is arranged, the drawing-die construction.Speed of application is often slower, can not work continuously, and the personnel that the scope of operation drops into is more relatively the protection of unfavorable anti-seepage geomembrane and warming plate on a large scale.Not only influence the engineering construction progress, also will have influence on the construction quality of engineering.At present the channel construction machinery that adopts exists that truss span is little, speed of application slow, unit function singleness, whole cost drop into high shortcoming.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of concrete distributing that makes large span complex channel concrete casting machine satisfy the large channel section, paves, vibrates and flatten, and the truss lifting gear that can work continuously.

The utility model adopts following technical scheme:

The utility model comprise the leading screw on the truss running gear that is arranged on the main truss frame end and fixedly connected with main couple be sleeved on screw set on the leading screw, screw set be connected with the drive unit that the Screw of Worm Gear device constitutes by motor, drive unit can drive screw set and move on leading screw.

The utility model Screw of Worm Gear device is provided with manual rocking handle.

The beneficial effects of the utility model are: because this large span complex channel concrete casting machine adopts large-span truss as working platform, in the utilization, following dolly carries out concrete distributing respectively, pave, vibrate and flatten, the utility model truss lifting gear comprise the leading screw on the truss running gear that is arranged on the main couple two ends and fixedly connected with main couple be sleeved on screw set on the leading screw, screw set be connected with the drive unit that the Screw of Worm Gear device constitutes by motor, the Screw of Worm Gear device is provided with manual rocking handle, but uses the gradient of the utility model casting machine and build the thickness flexible modulation.So not only save the artificial of a large amount of apparatus for distributing and concreting, helped the construction machinery of channel concrete simultaneously, also helped the protection of channel bottom antiseepage, insulation construction layer, guaranteed the construction quality of channel concreting.The utility model compact conformation is carried out segmented assembly in addition, is convenient to install and use, and operating maintenance is convenient, has higher utilization and extention and is worth.

Description of drawings

Accompanying drawing 1 is the large span complex channel concrete casting machine structural representation;

Accompanying drawing 2 is the upper and lower dolly enlarged drawing in the accompanying drawing 1;

The coaxial schematic diagram of cage is rolled over and stirred to accompanying drawing 3 for the large span complex channel concrete casting machine press polish;

Accompanying drawing 4 is the utility model structural representation;

Accompanying drawing 5 is the utility model lifting gear vertical view.

In the accompanying drawing: 1, main couple, 2 cloth trolleys, 3 lining carriage, 4 defeated material belts, trolley track on 5,6 times trolley tracks, 7 award the material mouth, 8 belt transmission motors, 9 truss running gears, 10 operating rooms, car rack on 11,12 material scraping plates, dolly master road wheel on 13, carriage walking wheel on 14, carriage walking driving motor on 15,16 stir the cage driving motor, 17 press polish are rolled over, 18 box tamping equipments, 19 times dolly master road wheels, 20 times carriage walking wheels, 21 times little frames, 22 times carriage walking driving motors, 23 hoppers, 24 stir cage, 25 leading screws, 26 screw sets, 27 motors, 28 Screw of Worm Gear devices, 29 manual rocking handles.

The specific embodiment

Large span complex channel concrete casting machine comprises main couple 1, be arranged on the truss running gear 9 at main couple 1 two ends and the drive unit operating room 10 of truss running gear 9, be arranged on last trolley track 5 and following trolley track 6 on the main couple 1, be arranged on the cloth trolley 2 that can on last trolley track 5, walk on the trolley track 5, be hung on down the lining carriage 3 that can on following trolley track 6, walk on the trolley track 6, cloth trolley 2 is provided with by last carriage walking driving motor 15, the running gear that last dolly master road wheel 13 and last carriage walking wheel 14 constitute, lining carriage 3 is provided with by following carriage walking driving motor 22, the running gear that following dolly master road wheel 19 and following carriage walking wheel 20 constitute, main couple 1 is provided with by awarding material mouth 7, the conveyer that belt transmission motor 8 and defeated material belt 4 constitute, above corresponding defeated material belt 4 on the cloth trolley 2, be provided with material scraping plate 12, below material scraping plate 12, be provided with hopper 23, lining carriage 3 is provided with by stirring cage driving motor 16, stir cage 24 and and stir the coaxial press polish of cage 24 and roll over 17 cages that stir that constitute and press and roll over device, lining carriage 3 is provided with box tamping equipment 18.

The utility model main couple length is 10-35 rice.

The large span complex channel concrete casting machine main body is the steel structure truss of a large span, and itself carries running gear truss.By the upper and lower walking dolly that is installed on the truss is cloth trolley 2 and lining carriage 3, carry out respectively channel concrete cloth, pave, vibrate and flatten.Dolly respectively with the truss keel as track, and carry running gear.Truss top dolly is that cloth trolley 2 is equipped with backgauge scraper plate and hopper, is responsible for getting concrete material from concrete feed belt branch and carries out cloth; Truss bottom dolly is that lining carriage 3 is equipped with and stirs cage, box vibrator and felt wrapped roll, is responsible for respectively the concrete material behind the cloth is paved, vibrates and flattens.Upper and lower two dollies are that cloth trolley 2 and lining carriage 3 can be simultaneously or separate operaton, and the cloth and the shake that paves are smash and be independent of each other.

The large span complex channel concrete casting machine course of work is: after the preparation of construction before concreting is finished on the canal slope, will build machinery and move into place, and determine mechanical position by measurement and positioning, and begin concreting then.Be that cloth trolley 2 carries out concrete distributing at first by the top dolly, 3～12 meters/minute of cloth trolley 2 speed, each cloth width 〉=60 centimetres, utilize the defeated material belt 4 of main couple 1 to carry out the transmission of concrete material, main belt speed 1.0 meter per seconds, by the material scraping plate on the cloth trolley 2 12 concrete material is scraped into hopper 23 then, adjusted the gait of march of cloth trolley 2 in the blanking process according to the blanking velocity of concrete tank, concrete material cloth is arrived appointed part.Be that lining carriage 3 begins to pave, vibrates and flattens by the bottom dolly after cloth is finished, open simultaneously and stir cage 24 and box tamping equipment 18, vibrate, roll over 17 by press polish then and advance to flatten press polish while paving, 1.5～9 meters/minute of vibrations dolly speed, felt wrapped roll rolls 90 centimetres of width.The utility model truss lifting gear comprise the leading screw 25 on the truss running gear 9 that is arranged on main couple 1 two ends and fixedly connected with main couple 1 be sleeved on screw set 26 on the leading screw 25, screw set 26 be connected with the drive unit that Screw of Worm Gear device 28 constitutes by motor 27, Screw of Worm Gear device 28 is provided with manual rocking handle 29, but use the gradient of the utility model casting machine and build the thickness flexible modulation, and can unite by motor 27 and manual rocking handle 29 and regulate Screw of Worm Gear device 28, reach the pinpoint purpose of casting machine.Whenever be shifted after finishing a circulation, the displacement width is 2/3rds of press polish rolling 17, begins building of next zone, 26～46 kilowatts of the utility model complete machine power (comprising accessory kit), about 19 tons (27 meters long for weight, comprise accessory kit), 8～30 centimetres of paving thicknesses, 0～10 meter/minute of speed is advanced by main garage, advance radius of curvature 〉=150 meter, the gradient is adjusted coefficient 1.5～3.0,1～9 meter/hour of shaping speed (8～30 centimetres), 7～24 cubic metres/hour of theoretical productivities.

Claims (2)

1, a kind of large span complex channel concrete casting machine truss lifting gear, it is characterized in that it comprise the leading screw (25) on the truss running gear (9) that is arranged on main couple (1) two ends and fixedly connected with main couple (1) be sleeved on screw set (26) on the leading screw (25), screw set (26) is connected with the drive unit that is made of motor (27) and Screw of Worm Gear device (28), and drive unit can drive screw set (26) and go up at leading screw (25) and move.

2, a kind of large span complex channel concrete casting machine truss lifting gear according to claim 1 is characterized in that Screw of Worm Gear device (28) is provided with manual rocking handle (29).

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