CN100507162C - Large-span comprehensive channel concrete pouring machine - Google Patents

Abstract

The present invention relates to a large trapezoidal section canal surface concrete lining executive mechanical equipment. It includes large span steel truss with running mechanism, through up-down bogie i.e. material distribution and lining bogie respectively to make canal concrete material distribution, spreading, bumping down and levelling; not only saving feeding equipment and pouring concrete labour bur also in favor of protecting anti-seepage thermal insulation structure layer.

Description

Large-span comprehensive channel concrete pouring machine

technical field

The invention relates to a mechanical device for concrete lining construction on the surface of a channel with a large trapezoidal section.

technical background

The construction of the water diversion project on the middle route of the South-to-North Water Diversion Project has a long construction line, a tight construction period, and heavy tasks. Most of the main canals along the line are open channel projects. The cross-section of the channel adopts a trapezoidal cross-section, and the surface is lined with cast-in-place concrete. Among them, the length of the canal slope is mostly more than 25, and the slope coefficient is 2.5-3.0. The thickness of the canal lining is mostly 10cm for the side slope, 8cm for the bottom plate, and 15cm for the bottom of the side slope in the river bank. Composite geomembrane is laid under the lining slab to strengthen anti-seepage. Styrene insulation boards prevent frost heave. At present, there are many methods of concrete construction for channel slope protection, such as conventional construction methods include formwork, concrete pouring in blocks, and formwork construction. The construction speed is often slow, continuous operation cannot be carried out in a large area, and relatively many personnel are invested in the working surface, which is not conducive to the protection of the anti-seepage geomembrane and insulation board. Not only will it affect the construction progress of the project, but it will also affect the construction quality of the project. The channel construction machinery currently used has the disadvantages of small truss span, single function of a single machine, and high overall cost investment.

Contents of the invention

The technical problem to be solved by the present invention is to provide a concrete construction machine capable of distributing, paving, vibrating and leveling concrete for large channel sections, and capable of continuous operation.

The present invention adopts the following technical solutions: the present invention includes a main truss, a truss walking device arranged at both ends of the main truss, an operation control room, an upper trolley track and a lower trolley track arranged on the main truss, The fabric trolley that walks on the track of the upper trolley, and the lining trolley that is hung on the track of the lower trolley and can walk on the track of the lower trolley. Traveling device, the lining trolley is equipped with a traveling device consisting of the lower trolley walking transmission motor, the main traveling wheel of the lower trolley and the traveling wheel of the lower trolley. The material conveying device is equipped with a scraper plate above the corresponding conveyor belt on the cloth trolley, and a lower hopper is set under the scraper plate. The calender roller constitutes the paving and rolling device, and the lining trolley is equipped with a box-type vibrating device.

The length of the main truss of the present invention is 10-35 meters.

The beneficial effects of the present invention are: since the present invention adopts the large-span truss as the working platform, the upper and lower trolleys are used to carry out concrete distribution, paving, vibrating and leveling respectively, which not only saves a lot of distribution equipment and labor for pouring concrete, At the same time, it is beneficial to the construction machinery of the channel concrete, as well as the protection of the anti-seepage and thermal insulation structure layer at the bottom of the channel, so as to ensure the construction quality of the channel pouring concrete. In addition, the present invention has a compact structure, can be assembled in sections, is convenient for installation and use, is convenient for operation and maintenance, and has high popularization and utilization value.

The present invention has the following characteristics:

1. The present invention integrates concrete distribution, paving, vibrating and compacting, and reduces the cost (1/5 to 1/10 of similar foreign products). If it is equipped with special polishing and cutting devices, it can All construction procedures can be completed.

2. The frame of the present invention is assembled according to the required length, which is convenient for transportation and disassembly.

3. The whole machine of the present invention is reliable in operation, realizes multiple functions of one machine through reasonable equipment, simple maintenance and sufficient accessories.

4. The slope and pouring thickness can be flexibly adjusted using the present invention.

5. The truss running device 9 and the main truss 1 of the present invention are hinged and can walk freely on curves with a curvature radius ≥ 150 meters.

6. All the mechanical transmissions of the present invention use electric motors as power, and adopt gears or chains to drive, so as to ensure the flexible operation of the whole machine and reliable braking.

7. The main moving parts of the present invention are controlled by frequency converters, so as to be applicable to various working conditions and changing environments.

8. The upper and lower trolleys of the present invention, that is, the distributing trolley and the lining trolley, can work simultaneously or independently, and the distributing and paving vibrations do not affect each other.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention;

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

Accompanying drawing 3 is the coaxial schematic diagram of the calender roller and the stirring cage of the present invention.

In the attached drawings: 1. Main truss, 2. Fabric trolley, 3. Lining trolley, 4. Conveyor belt, 5. Upper trolley track, 6. Lower trolley track, 7. Feeding opening, 8. Belt drive motor, 9. Truss walking device, 10. Operating room , 11 upper trolley frame, 12 scraper plate, 13 upper trolley main traveling wheel, 14 upper trolley traveling wheel, 15 upper trolley travel drive motor, 16 stirring cage drive motor, 17 calender roller, 18 box-type vibrating device, 19 trolley main traveling wheels, 20 trolley traveling wheels, 21 trolley frames, 22 trolley travel drive motors, 23 hoppers, 24 agitating cages.

Detailed ways

The present invention comprises a main truss 1, a truss traveling device 9 arranged at both ends of the main truss 1, a driving device operating room 10 of the truss traveling device 9, an upper trolley track 5 and a lower trolley track 6 arranged on the main truss 1, and a trolley track 6 arranged on the upper The cloth trolley 2 on the trolley track 5 that can walk on the upper trolley track 5, the lining trolley 3 that is hung on the lower trolley track 6 and can walk on the lower trolley track 6, and the fabric trolley 2 is provided with a transmission motor driven by the upper trolley. 15. The walking device composed of the main traveling wheel 13 of the upper trolley and the traveling wheel 14 of the upper trolley, the lining trolley 3 is provided with a traveling device consisting of the traveling transmission motor 22 of the lower trolley, the main traveling wheel 19 of the lower trolley and the traveling wheel 20 of the lower trolley, The main truss 1 is provided with a feeding device consisting of a feeding port 7, a belt drive motor 8 and a feeding belt 4, and a scraper 12 is arranged above the corresponding feeding belt 4 on the cloth trolley 2. A lower hopper 23 is arranged under the plate 12, and a cage-stirring roller device composed of a cage-stirring drive motor 16, a cage 24 and a calender 17 coaxial with the cage 24 is arranged on the lining trolley 3. Box-type vibrating device 18 is arranged.

The length of the main truss of the present invention is 10-35 meters.

The main body of the invention is a large-span steel truss, and the truss itself has its own walking device. The distribution, paving, vibrating and leveling of the channel concrete are carried out respectively through the upper and lower traveling trolleys installed on the truss, that is, the distributing trolley 2 and the lining trolley 3. The trolley uses the truss keel as the track and has its own walking device. The trolley on the upper part of the truss is the distributing trolley 2, which is equipped with a material retaining scraper and a lower hopper, and is responsible for separating and distributing concrete material from the concrete conveyor belt; the trolley on the lower part of the truss is the lining trolley 3, which is equipped with a mixing cage, a box-type vibrator and a calender The rollers are respectively responsible for spreading, vibrating and leveling the concrete material after distribution. The upper and lower trolleys, that is, the fabric trolley 2 and the lining trolley 3, can work simultaneously or independently, and the fabric and paving vibrations do not affect each other.

The working process of the present invention is as follows: when the canal slope completes the construction preparation before concrete pouring, the pouring machine is moved to the position, the position of the machine is determined by measuring and positioning, and then concrete pouring starts. First, the upper trolley, that is, the distributing trolley 2, carries out the concrete distributing. The speed of the distributing trolley 2 is 3-12 m/min, and the width of each distributing is ≥60 cm. The conveying belt 4 of the main truss 1 is used to transmit the concrete material, and the speed of the main belt is 1.0 m/s, then the scraper 12 on the distribution trolley 2 scrapes the concrete material into the hopper 23, and adjusts the speed of the distribution trolley 2 according to the blanking speed of the concrete tank truck during the blanking process, and distributes the concrete material to the designated position . After the cloth is finished, the lower trolley, that is, the lining trolley 3, starts paving, vibrating and leveling. At the same time, the stirring cage 24 and the box-type vibrating device 18 are opened to vibrate while paving, and then the calender roller 17 is used for leveling and leveling. The speed of light and vibrating trolley is 1.5-9 m/min, and the width of calender roll is 90 cm. Carry out displacement after finishing a cycle every time, displacement width is 2/3rds of calender roller 17, starts the pouring of next area, the power of the whole machine of the present invention is 26～46 kilowatts (comprising accessory), and weight is about 19 tons ( 27 meters long, including supporting accessories), the paving thickness is 8-30 cm, the traveling speed of the main vehicle is 0-10 m/min, the traveling curvature radius is ≥150 m, the slope adjustment coefficient is 1.5-3.0, and the forming speed is 1-9 m/h (8-30 cm), the theoretical productivity is 7-24 cubic meters per hour.

In order to facilitate on-site layout and unloading of concrete tank trucks, the positions of the operating room 10 and the feeding port 7 on the distributing machine can be interchanged. At the same time, the cloth angle and length can also be adjusted accordingly with the slope of the canal.

The invention can also be used for paving, leveling and compacting the anti-frost heave layer of sand and gravel materials in channels.

Claims (2)

1. A large-span comprehensive channel concrete pouring machine, characterized in that it includes a main truss (1), a truss walking device (9) arranged at both ends of the main truss (1), and an operation control room (10), arranged on the main The upper trolley track (5) and the lower trolley track (6) on the truss (1), the fabric trolley (2) that can walk on the upper trolley track (5) arranged on the upper trolley track (5), hang on the lower trolley track (5) The lining dolly (3) that can walk on the lower trolley track (6) on the trolley track (6), is provided with on the trolley (2) by upper trolley walking transmission motor (15), last trolley main walking wheel (13) and The traveling device composed of the upper trolley traveling wheels (14), the lining trolley (3) is provided with a traveling device consisting of the lower trolley traveling transmission motor (22), the main traveling wheel (19) of the lower trolley and the traveling wheel (20) of the lower trolley , the main truss (1) is provided with a feeding device consisting of a feeding port (7), a belt drive motor (8) and a feeding belt (4), and the corresponding feeding belt (4) is on the cloth trolley (2) ) is provided with a scraper (12), below the scraper (12) is provided with a lower hopper (23), and the lining trolley (3) is provided with a cage-stirring drive motor (16), cage-stirring (24) And the calender roll (17) coaxial with stirring cage (24) constitutes the paving and rolling device, and the lining trolley (3) is provided with box-type vibrating device (18). 2. A long-span comprehensive channel concrete pouring machine according to claim 1, characterized in that the length of the main truss is 10-35 meters.

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