CN106994743B - Rail transport device and method between surface lines of high-speed rail ballastless track bed concrete construction - Google Patents
Rail transport device and method between surface lines of high-speed rail ballastless track bed concrete construction Download PDFInfo
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- CN106994743B CN106994743B CN201710307831.7A CN201710307831A CN106994743B CN 106994743 B CN106994743 B CN 106994743B CN 201710307831 A CN201710307831 A CN 201710307831A CN 106994743 B CN106994743 B CN 106994743B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/04—General arrangement or layout of plant the plant being mobile, e.g. mounted on a carriage or a set of carriages
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a rail conveying device and a rail conveying method between surface lines of high-speed rail ballastless track bed concrete construction, which comprise two walking tracks, a concrete mixing and conveying vehicle and a concrete belt conveyor, wherein the two walking tracks are symmetrically arranged between a left ballastless track bed and a right ballastless track bed; the concrete is conveyed by the travelling track in a directional travelling manner, so that the problems that the construction site of a ballastless track bed pouring operation surface is narrow and concrete transportation and other processes are interfered with each other are effectively solved, the concrete lines are transported quickly and smoothly, the concrete is conveyed to the pouring surface and is directly unloaded and fed into a mold, the construction is safe, convenient and quick, compared with the method for hoisting the concrete by a gantry crane, the ballastless track bed pouring is continuous and quick, the pouring quality is ensured, and the pouring efficiency is greatly improved.
Description
Technical Field
The invention belongs to the technical field of construction equipment, and particularly relates to a rail conveying device and method between surface lines of concrete construction of a ballastless track bed of a high-speed rail.
Background
In order to prevent cracking, the concrete mold-entering slump of the double-block ballastless track bed is controlled to be 140-150 mm, and the concrete is conveyed into a mold by a bucket or directly poured into the mold for casting; meanwhile, the logistics organization in the pouring construction is a difficult problem.
At present, a rail-mounted gantry crane is mostly adopted for longitudinally hoisting concrete to a pouring surface for entering a mold on a working surface; due to the limitation of space and the sharing of a single channel in each process operation, the construction space is narrow and small, and the mutual influence and interference are large. In the face of many varieties and quantities of construction machines, materials, large pieces and turnover materials, continuous organization and transportation are needed in construction circulation of the machines, the turnover materials, the large pieces and the like, a smooth construction logistics organization cannot be formed in ballastless track bed pouring construction, the construction progress is directly influenced, once the smooth logistics of concrete cannot be guaranteed in the concrete pouring process, the quality of a track bed is seriously influenced. Therefore, the construction organization is reasonably carried out, machines which can provide smooth logistics organization are selected and developed, the logistics efficiency is effectively improved, and the construction method has great effects and significance for ensuring the construction progress and the construction quality.
Disclosure of Invention
The technical problem solved by the invention is as follows: the rail transportation device and method between the concrete construction surface lines of the high-speed rail ballastless track bed solve the problems that the construction site of the ballastless track bed pouring operation surface is narrow and the concrete transportation and other processes are interfered with each other, so that the transportation between the concrete lines is rapid and smooth, and the construction efficiency and quality are higher.
The technical scheme adopted by the invention is as follows: the utility model provides a there is rail conveyer between ballastless track bed concrete construction facial line of high-speed railway, includes two walking tracks, concrete mixing transport vechicle and concrete belt conveyor, and two walking tracks are installed between the ballastless track bed of left and right sides symmetrically, and the walking track is arranged in through gyro wheel one to the concrete mixing transport vechicle, and one end is connected with concrete belt conveyor, and on concrete belt conveyor arranged the walking track in through gyro wheel two, its concrete delivery export just to concrete mixing transport vechicle feed inlet.
Preferably, the concrete belt conveyer comprises a belt conveyer and an inclined support, wherein the belt conveyer is obliquely installed on an inclined slope surface of the inclined support, the inclined slope surface is along the direction of the walking track, and the high end of the inclined slope surface is a concrete conveying outlet.
Preferably, a blocking hopper is arranged at a concrete conveying inlet of the concrete belt conveyor.
Preferably, the first roller is four, and is of a roller group structure, each first roller comprises two rollers, the two rollers are connected to the support frame through rotating shafts, and the middle of the support frame is fixedly connected to a bottom plate of the concrete mixing and conveying vehicle through support legs.
Preferably, the use method of the inter-track transportation device between the upper line construction concrete of the ballastless track bed of the high-speed rail comprises the following steps:
1) Installing and fixing the line walking track: installing two walking tracks in the middle of the double-track ballastless track bed, wherein the walking tracks are assembled by adopting 24kg/m steel rails, channel steel base plates and clamping plates, the walking tracks are fixed on a bridge beam surface, a roadbed supporting layer and a tunnel leveling layer, and the length of the walking tracks among construction surface lines is more than 1200m;
2) Respectively installing a concrete mixing and transporting vehicle and a concrete belt conveyer on the walking track: transporting the parts to a ballastless track bed construction surface by using a dump truck, and assembling a rail-mounted concrete mixing transport truck and a belt conveyor on a traveling track on the construction surface in sequence;
3) On the construction surface of a ballastless track bed, concrete is transferred from a wheel type concrete mixing transport vehicle to a feed inlet of a belt conveyor, the concrete is conveyed to a rail type concrete mixing transport vehicle through the concrete belt conveyor, the concrete belt conveyor is conveyed by an upward large slope, the slope is 25-30 degrees, the concrete slump is 140-150 mm, and the speed of the concrete belt conveyor is 1-1.2 m/s;
4) The concrete mixing and transporting vehicle transports the concrete to a pouring surface, and directly discharges the concrete to enter a mold;
5) The operation surface is propelled forward along with the pouring of the ballastless track bed, and the steel rail, the channel steel base plate and the clamping plate are circularly used: and (4) dismantling the running track structure of the poured ballastless track bed section, and using the running track structure to be lengthened by forward propulsion of the construction surface.
6) And repeating the steps 1) -6) until the construction of the whole ballastless track bed is completed.
Preferably, the concrete mixing and transporting vehicle in the step 5) transports the concrete to a ballastless track bed pouring operation surface, and the mixing drum can rotate along with the running of the rail wheel in the running process.
Preferably, the rotation speed of the mixing drum of the concrete mixing and transporting truck is as follows: the discharge speed is 10r/min, and the stirring speed is 1.2r/min.
The invention has the beneficial effects that: compared with the prior art, the invention has the following effects:
1) According to the invention, the concrete mixing conveyor and the concrete belt conveyor are directionally moved through the moving track, so that the problems of narrow construction site of a ballastless track bed pouring operation surface and mutual interference between concrete transportation and other procedures are effectively solved, and the transportation between concrete lines is rapid and smooth;
2) The existing 10t double-line gantry crane construction surface is vertically lifted to a casting surface bucket and then is conveyed into a mould, and the construction is safe, convenient and quick as the concrete is conveyed to the casting surface by the inter-line rail-traveling concrete mixing and transporting vehicle to directly unload the concrete to the casting surface and then enter the mould;
3) The traveling speed of the inter-line rail-traveling type concrete mixing and transporting truck is higher than that of a gantry crane for hoisting concrete, so that the ballastless track bed can be continuously and quickly cast, the casting quality is ensured, and the casting efficiency is greatly improved;
4) Special equipment is not required, the investment is small, the operability is strong, and the popularization is easy;
5) The concrete mixing conveyor can rotate the mixing drum along with the walking of the rail wheels in the walking way, so that the concrete is kept uniform and is not separated, the logistics organization problem of the operation surface is effectively solved, and the quality of the concrete of the ballastless track bed is ensured.
Drawings
FIG. 1 is a construction process flow chart of the invention, namely a process flow chart of rail transportation between concrete construction surface lines of a ballastless track bed of a high-speed rail.
FIG. 2 is a schematic plan view of a construction surface according to the present invention;
in fig. 2, 1-left line pouring line center, 2-right line pouring line center, 3-left line poured ballastless track bed, 4-right line poured ballastless track bed, 5-sleeper storage, 6-construction operation area, 7-ballastless track bed concrete pouring operation area, 8-construction direction, 9-cross-line gantry crane walking track, 10-cross-line gantry crane (10 t), 11-walking track, 12-concrete mixing truck, 13-concrete belt conveyor, 14-wheel concrete mixing truck.
FIG. 3 is a diagram of a track transportation device between concrete lines of a ballastless track bed of a high-speed rail;
in FIG. 3, the traveling track is shown between 1-line, the concrete belt conveyor is shown between 2-line, and the concrete mixing truck is shown between 3-line.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-fig. 3, the rail transportation device between the upper line of the concrete construction of the ballastless track bed of the high-speed rail comprises two walking tracks 1, a concrete mixing transport vehicle 3 and a concrete belt conveyor 2, wherein the two walking tracks 1 are symmetrically arranged between the left ballastless track bed and the right ballastless track bed, the concrete mixing transport vehicle 3 is arranged on the walking tracks 1 through rollers one 4, one end of the concrete belt conveyor 2 is connected with the concrete belt conveyor 2, the concrete belt conveyor 2 is arranged on the walking tracks 1 through rollers two 4, and a concrete conveying outlet of the concrete belt conveyor is right aligned to a feed inlet of the concrete mixing transport vehicle 3.
Preferably, the concrete belt conveyor 2 comprises a belt conveyor 5 and an inclined support 6, wherein the belt conveyor 5 is obliquely installed on an inclined slope surface of the inclined support 6, the inclined slope surface is along the direction of the walking track 1, and the high end of the inclined slope surface is a concrete conveying outlet.
Preferably, the concrete conveying entrance of the concrete belt conveyer 2 is provided with a blocking hopper 7, so that the input concrete can be ensured to travel along the conveying belt, and the phenomenon of waste caused by dropping is avoided.
Preferably, the first rollers 1 are four in number and are in a roller group structure, each first roller 1 comprises two rollers, the two rollers are connected to the support frame 8 through a rotating shaft, and the middle of the support frame 8 is fixedly connected to the bottom plate of the concrete mixing and conveying vehicle 3 through the supporting legs 9.
Example 2: according to the using method of the track transportation device between the upper lines of the concrete construction of the ballastless track bed of the high-speed rail, the concrete belt conveyor for the concrete construction surface of the ballastless track bed is used for transporting the concrete from the wheel type concrete mixing transport vehicle to the line-to-line track type concrete mixing transport vehicle, the purpose that the outer trackless transportation mode of the concrete construction surface is converted into the track transportation mode between the inner lines of the construction surface is achieved, the track-to-line transport of the concrete construction surface of the ballastless track bed is carried to the concrete pouring operation surface by the aid of the line-to-line concrete mixing transport vehicle, the pouring surface is directly unloaded and fed into the mold, and the concrete method comprises the following steps:
1) Installing and fixing the line walking track: installing two walking tracks in the middle of a double-track ballastless track bed, wherein the walking tracks are assembled by adopting 24kg/m steel rails, channel steel base plates and clamping plates, the walking tracks are fixed on a bridge beam surface, a roadbed supporting layer and a tunnel leveling layer, the length of the walking tracks between construction surface lines is larger than 1200m, debugging is carried out after installation is completed, normal operation of equipment is ensured, a concrete mixing transport vehicle and a concrete belt conveyor must be operated by a specially-assigned person, and an operator needs to be certified for post operation after the concrete mixing transport vehicle and the concrete belt conveyor are trained to be qualified;
2) Respectively installing a concrete mixing and transporting vehicle and a concrete belt conveyer on the walking track: transporting the parts to a ballastless track bed construction surface by using a dump truck, and assembling a rail-mounted concrete mixing and transporting vehicle and a belt conveyer to a traveling track on the construction surface in sequence;
3) On the construction surface of a ballastless track bed, concrete is transferred from a wheel type concrete mixing transport vehicle to a feed inlet of a belt conveyor, the concrete is conveyed to a rail type concrete mixing transport vehicle through the concrete belt conveyor, the concrete belt conveyor is conveyed by an upward large slope, the slope is 25-30 degrees, the concrete slump is 140-150 mm, and the speed of the concrete belt conveyor is 1-1.2 m/s;
4) The concrete mixing and transporting vehicle transports the concrete to a pouring surface, and directly discharges the concrete and enters a mold;
5) The operation surface is poured and is impelled forward along with the ballastless track bed, and the steel rail, the channel steel backing plate and the clamping plate are circularly used: and (4) dismantling the running track structure of the poured ballastless track bed section, and using the running track structure to be lengthened by forward propulsion of the construction surface.
6) And repeating the steps 1) -6) until the construction of the whole ballastless track bed is completed.
Preferably, the concrete mixing and transporting vehicle in the step 5) transports the concrete to a ballastless track bed pouring operation surface, and the mixing drum can rotate along with the traveling of the rail wheels in the traveling process, so that the concrete is kept uniform and is not separated, the logistics organization problem of the operation surface is effectively solved, and the quality of the ballastless track bed concrete is ensured.
Preferably, the rotation speed of the mixing drum of the concrete mixing and transporting truck is as follows: the discharging time is 10r/min, and the stirring time is 1.2r/min.
The above description is only an example of the specific embodiments of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art can easily find out the modifications or alterations within the technical scope of the present disclosure, which should be covered by the protection scope of the present disclosure. For this reason, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. The use method of the rail transportation device between the surface lines for the concrete construction of the ballastless track bed of the high-speed rail is characterized by comprising the following steps of: the concrete mixing and transporting device comprises two traveling tracks (1), a concrete mixing and transporting vehicle (3) and a concrete belt conveyer (2), wherein the two traveling tracks (1) are symmetrically arranged between a left ballastless track bed and a right ballastless track bed, the concrete mixing and transporting vehicle (3) is arranged on the traveling tracks (1) through a first roller (4), one end of the concrete mixing and transporting vehicle is connected with the concrete belt conveyer (2), the concrete belt conveyer (2) is arranged on the traveling tracks (1) through a second roller, and a concrete conveying outlet of the concrete belt conveyer is over against a feed inlet of the concrete mixing and transporting vehicle (3);
the using method comprises the following steps:
1) Installing and fixing the line walking track: installing two walking tracks in the middle of the double-track ballastless track bed, wherein the walking tracks are assembled by adopting 24kg/m steel rails, channel steel base plates and clamping plates, the walking tracks are fixed on a bridge beam surface, a roadbed supporting layer and a tunnel leveling layer, and the length of the walking tracks among construction surface lines is more than 1200m;
2) Respectively installing a concrete mixing and transporting vehicle and a concrete belt conveyer on the walking track: transporting the parts to a ballastless track bed construction surface by using a dump truck, and assembling a rail-mounted concrete mixing and transporting vehicle and a belt conveyer to a traveling track on the construction surface in sequence;
3) On the construction surface of a ballastless track bed, concrete is transferred from a wheel type concrete mixing transport vehicle to a feed inlet of a belt conveyor, the concrete is conveyed to a rail type concrete mixing transport vehicle through the concrete belt conveyor, the concrete belt conveyor is conveyed by an upward large slope, the slope is 25-30 degrees, the concrete slump is 140-150 mm, and the speed of the concrete belt conveyor is 1-1.2 m/s;
4) The concrete mixing and transporting vehicle transports the concrete to a pouring surface, and directly discharges the concrete and enters a mold;
5) The operation surface is poured and is impelled forward along with the ballastless track bed, and the steel rail, the channel steel backing plate and the clamping plate are circularly used: dismantling the running track structure of the poured ballastless track bed section, and using the running track structure to be lengthened by forward pushing of the construction surface;
6) And repeating the steps 1) -5) until the construction of the whole ballastless track bed is completed.
2. The use method of the track transportation device between the surface lines for the concrete construction of the ballastless track bed of the high-speed rail according to claim 1, is characterized in that: concrete belt conveyor (2) include belt feeder (5) and slope support (6), and belt feeder (5) are installed aslope on the slope surface of slope support (6), and slope surface is along walking track (1) direction, and high-end is concrete delivery outlet.
3. The use method of the track transportation device between the surface lines for the concrete construction of the ballastless track bed of the high-speed rail according to claim 1, is characterized in that: a blocking hopper (7) is arranged at a concrete conveying inlet of the concrete belt conveyor (2).
4. The use method of the track transportation device between the surface lines for the concrete construction of the ballastless track bed of the high-speed rail according to claim 1, is characterized in that: the rollers (4) are four and are of roller group structures, each roller (4) comprises two rollers, the two rollers are connected to the support frame (8) through a rotating shaft, and the middle of the support frame (8) is fixedly connected to a bottom plate of the concrete mixing and conveying vehicle (3) through the supporting legs (9).
5. The use method of the track transportation device between the surface lines for the concrete construction of the ballastless track bed of the high-speed rail according to claim 1, is characterized in that: and 5) transporting concrete to a ballastless track bed pouring operation surface by the concrete mixing and transporting vehicle in the step 5), and rotating the mixing drum along with the running of the rail wheels in the running process.
6. The use method of the track transportation device between the surface lines for the concrete construction of the ballastless track bed of the high-speed rail according to claim 1, is characterized in that: rotating speed of a mixing drum of the concrete mixing and transporting truck: the discharging time is 10r/min, and the stirring time is 1.2r/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307831.7A CN106994743B (en) | 2017-05-04 | 2017-05-04 | Rail transport device and method between surface lines of high-speed rail ballastless track bed concrete construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710307831.7A CN106994743B (en) | 2017-05-04 | 2017-05-04 | Rail transport device and method between surface lines of high-speed rail ballastless track bed concrete construction |
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| CN106994743A CN106994743A (en) | 2017-08-01 |
| CN106994743B true CN106994743B (en) | 2023-04-11 |
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| CN109252524A (en) * | 2018-10-24 | 2019-01-22 | 中国水利水电第四工程局有限公司 | Wind power foundation concrete working device |
| CN110031039B (en) * | 2019-03-12 | 2021-07-06 | 浙江交工宏途交通建设有限公司 | Grouting rail transportation device and data acquisition method |
| CN112982043A (en) * | 2021-02-05 | 2021-06-18 | 中铁建大湾区建设有限公司 | Material transportation method in road construction |
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| AU2160200A (en) * | 1998-11-30 | 2000-06-19 | Edwin Desteiguer Snead | Method and apparatus for a rail-mounted concrete mixer and pump system |
| CN201321589Y (en) * | 2008-12-22 | 2009-10-07 | 中铁一局集团有限公司 | Movable material distributing device used for ballastless track bed concrete pouring |
| CN205735542U (en) * | 2016-05-10 | 2016-11-30 | 贵州永润煤业有限公司 | A kind of mine concrete mixer |
| CN207058889U (en) * | 2017-05-04 | 2018-03-02 | 中铁五局集团有限公司 | Rail travel device between a kind of high ferro ballastless track bed concrete construction upper thread |
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