CN115387342A - Movable concrete pouring device and method for open-cut tunnel - Google Patents
Movable concrete pouring device and method for open-cut tunnel Download PDFInfo
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- CN115387342A CN115387342A CN202211174018.4A CN202211174018A CN115387342A CN 115387342 A CN115387342 A CN 115387342A CN 202211174018 A CN202211174018 A CN 202211174018A CN 115387342 A CN115387342 A CN 115387342A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a movable concrete pouring device and a pouring method for an open cut tunnel, wherein a longitudinal moving mechanism is driven by a motor to drive the whole concrete pouring device to longitudinally move, a transverse moving mechanism is driven by the motor to drive a hopper bin and a blanking hose to transversely move to cover a main body pouring surface, a concrete tank truck is directly lapped with a chute, the chute is connected with the hopper bin, a pump truck is not required for pouring construction, the concept of green construction is fully shown, the consumption of petroleum energy is saved, the pollution emission in the engineering construction process is reduced, and the concrete pouring speed and the construction efficiency are greatly improved.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a movable concrete pouring device and a movable concrete pouring method for an open trench tunnel.
Background
With the rapid development of social economy, the construction scale of basic public transport facilities is rapidly enlarged, the engineering scale of various urban road leveling tunnels is increased year by year, and open-cut and buried tunnel engineering at urban road intersections is dominant in tunnel engineering. Compared with an underground excavation tunnel, the open excavation tunnel has the advantages of being simple, rapid, economical and safe in construction, the main structure of the open excavation tunnel is located below the ground (+/-000), concrete of the concrete bottom plate, the concrete side wall and the concrete top plate is large in size, and the one-time forming effect and the concrete pouring speed of the concrete need to be guaranteed in the concrete pouring process of the open excavation tunnel.
At present, concrete pouring of open cut tunnels is mainly performed by a concrete pump truck (an automobile pump) and a concrete delivery pump (a ground pump), and consists of a pump body and a delivery pipe, the principle is that the concrete is continuously delivered along a pipeline by using pressure, the construction speed of the concrete is average 40m transportation (ground pump) and 60m transportation (automobile pump) respectively for each hour, and each party costs 12-18 Yuan/m transportation; single-side concrete average oil consumption 0.65L/m (ground pump) and 0.85L/m (automobile pump) for thin and long fruit trees, ten thousand-side concrete average energy consumption 8.05 tce/ten thousand years (ground pump) and 10.52 tce/ten thousand year (automobile pump) for thin and long fruit trees, ten thousand-side concrete average carbon emission 19.78tco 2 Universal harvesting and United states Linearning- 2 Thousand harvesting (automobile pumps). The traditional open cut tunnel concrete pouring mode of pumping by means of the pump truck wastes time and labor, has large carbon emission, and does not meet the requirement of the double-carbon target proposed by the state at present.
Based on the method, the invention designs a green and environment-friendly construction process capable of reducing carbon emission to the maximum extent to realize the rapid pouring of the open-cut tunnel concrete.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the movable concrete pouring device and the movable concrete pouring method for the open-cut tunnel, concrete pouring is not needed by a pump truck, concrete is guided by a chute to fall and pour through the self-fluidity, the concept of green, low carbon and environmental protection is fully embodied, the energy consumption in the construction process is reduced, and the concrete pouring speed and the construction efficiency of the tunnel structure are improved.
The present invention achieves the above-described object by the following means.
The utility model provides a device is pour to portable concrete in open cut tunnel, including the horizontal truss girder of twice assembled, install vertical little truss girder between the horizontal truss girder, horizontal truss girder below middle part and the position department that is close to both ends all can demountable installation have longitudinal movement mechanism, demountable installation has transverse movement mechanism between the horizontal truss girder top, demountable installation has concrete unloader to the transverse movement mechanism lower extreme, still demountable installation has the chute that the slope set up above the horizontal truss girder, the butt joint of chute end and concrete unloader, the chute front end is fixed with the butt joint of concrete tank car.
Further, horizontal truss girder is square steel tube structure, can dismantle by a plurality of unit segmentation and assemble and form, and the unit segmentation includes upper chord and lower chord, through montant and down tube welded connection between upper chord and the lower chord.
Furthermore, a female joint and a male joint are respectively welded at two end parts of the upper chord and the lower chord, connecting pin holes are respectively formed in two sides of the female joint and two sides of the male joint in a penetrating manner, and when adjacent units are assembled in a segmented manner, the female joint and the male joint are inserted and butted and are limited and fixed through pins; the pin is provided with a limiting through hole in a through mode, and the limiting through hole is connected with a safety pin in a clamping mode.
Furthermore, two longitudinal moving mechanisms close to two ends below the transverse truss girder are respectively arranged on the top girders at two sides of the foundation pit, and the longitudinal moving mechanism positioned in the middle below the transverse truss girder is arranged above the concrete support in the middle of the foundation pit, is vertical to the transverse truss girder and is parallel to the other two longitudinal moving mechanisms.
Furthermore, the longitudinal moving mechanism comprises a base A, a directional wheel A, a longitudinal moving track and a power driving mechanism A, wherein the base A is connected with the transverse truss girder through a bolt, the directional wheel A is installed on the lower surface of the base A, the longitudinal moving track is installed and fixed in the middle of the top surfaces of the crown girders on the two sides of the foundation pit, and the directional wheel A is connected into the longitudinal moving track; and a power driving mechanism A is installed on one side of the base A, and the output end of the power driving mechanism A is in transmission connection with the directional wheel A through a transmission device to drive the concrete pouring device to integrally move longitudinally along the foundation pit.
Further, the transverse moving mechanism comprises a transverse moving crown block, the transverse moving crown block comprises a base B, a directional wheel B, a transverse moving rail and a power driving mechanism B, the transverse moving rail is fixedly installed at the top of an upper chord of the transverse truss girder, the directional wheel B is installed on the lower surface of the base B, and the directional wheel B is connected into the transverse moving rail; and a power driving mechanism B is arranged on the inner side of the base B, and the output end of the power driving mechanism B is in transmission connection with the directional wheel B to drive the transverse travelling crane to move transversely.
Further, concrete unloader includes hopper storehouse, unloading hose, and the unloading hose connection is in hopper storehouse bottom, and the hopper storehouse is installed in base B below.
Further, the chute includes that the concatenation equipment can be dismantled by a plurality of segmentation chute sections and form the cell body, and the terminal segmentation chute section of cell body can be dismantled with the hopper storehouse and be connected, and every segmentation chute section lower surface all can be dismantled and install a set of telescopic screw, and the telescopic screw other end all is fixed with the connecting piece demountable installation of horizontal truss girder upper chord lateral wall.
Further, the hopper bin is made of iron sheets, the surrounding edges of angle steel are fixed on the base B, the blanking hose is made of steel wire plastic hoses, and the steel wire plastic hoses are fixed on the circular discharge hole in the lower portion of the hopper bin through clamps.
A pouring method using the open trench tunnel movable concrete pouring device comprises the following steps:
step 1: selecting a blanking hose according to the current construction foundation pit depth, a pouring position and the current construction working condition, and installing and fixing the blanking hose and the hopper bin;
and 2, step: determining the mixing proportion and the slump of the poured concrete through field tests, and adjusting the gradient of the chute body by adjusting the length of the telescopic screw rod according to the fluidity and the slump of the concrete;
and step 3: the tank car is fixedly butted with the chute, concrete is guided to flow into the hopper bin from the chute and then flows out of the blanking hose, and the blanking hose is manually pulled within a small construction radius to pour the concrete;
and 4, step 4: after the pouring construction of the first small-range construction radius area in the current section is completed, the segmented chute section at the tail end of the chute is detached from the hopper bin, the field control system controls the power driving mechanism B to work, and the transverse moving mechanism is driven to drive the concrete blanking device to integrally and transversely move to the position above the next small-range construction radius area in the current section; then, the sectional chute sections at the front end of the chute and the corresponding telescopic screws are detached, and the sectional chute sections at the tail end of the chute and the hopper bin are installed in a butt joint mode again;
and 5: repeating the steps 3 to 4 until concrete pouring work of all areas in the current section is completely finished;
and 6: and (4) cleaning residual concrete in the concrete blanking device, controlling the power driving mechanism A to work through the field control system, driving the three longitudinal moving mechanisms to drive the concrete pouring device to integrally move to the next section along the longitudinal direction, and repeating the steps 3 to 5 until the concrete pouring work of all the sections is completely finished.
The invention has the following beneficial effects:
the invention utilizes the motor to drive the pouring device to move longitudinally and transversely to cover the pouring surface of the main body, adopts the concrete tank truck to directly lap joint with the chute, does not need to use a pump truck to carry out pouring construction, utilizes the hopper and the blanking hose to realize concrete process pouring, and fully shows the concept of green construction. The construction speed of a single set of equipment is 170m in average delivery square amount per hour, the cost of each square is 4.5 yuan, the construction speed is about 4 times that of a ground pump, the construction cost is about 3 times that of an automobile pump, the construction cost is about 1/4 of that of the ground pump and 1/5 of that of the automobile pump, and when the pouring device provided by the invention is adopted, the average energy saving of 9tce and the average emission reduction of 23tco of ten thousand cubic concrete can be realized 2 The method greatly saves the consumption of petroleum energy, reduces the pollution emission in the engineering construction process, and greatly improves the concrete pouring speed and the construction efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the mobile concrete pouring device for open cut tunnels of the invention;
FIG. 2 is a schematic view of a partial structure of the transverse truss girder according to the present invention;
FIG. 3 is a partial schematic view of the longitudinal moving mechanism according to the present invention;
FIG. 4 is a schematic view of a partial structure of the lateral moving mechanism according to the present invention;
fig. 5 is a schematic view of the chute structure of the present invention.
In the figure: 1-transverse truss girders; 101-upper chord; 102-a vertical rod; 103-diagonal rods; 104-a female joint; 105-a pin; 106-safety pin; 107-lower chord; 2-a longitudinal moving mechanism; 201-base a; 202-directive wheel a; 203-longitudinal movement track; 3-a transverse moving mechanism; 301-traversing the crown block; 302-base B; 303-orientation wheel B; 304-traversing rail; 305-power drive mechanism B; 4-a power driving mechanism A; 5-a concrete blanking device; 501-hopper bins; 502-blanking hose; 6-chute; 601-a segmented chute segment; 602-a telescopic screw; 7-longitudinal small truss girder.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
As shown in fig. 1, the movable concrete pouring device for open-cut tunnels comprises a transverse truss girder 1, a longitudinal moving mechanism 2, a transverse moving mechanism 3, a concrete blanking device 5 and a chute 6.
As shown in fig. 1 and 4, four small longitudinal truss girders 7 are connected between two fabricated transverse truss girders 1, and the lower parts of the small longitudinal truss girders 7 are buckled into transverse rails 304 at the tops of the transverse truss girders 1 to realize fixation, so that the two transverse truss girders 1 are integrally connected and fixed and are parallel to each other.
As shown in fig. 1 and 2, the transverse truss girder 1 is a square steel pipe structure and is formed by assembling a plurality of unit sections according to the span of an open-cut tunnel, and the length of each unit section is 1-3 m. The unit segment comprises an upper chord 101 and a lower chord 107, the upper chord 101 and the lower chord 107 are connected through a plurality of vertical rods 102 and inclined rods 103 in a welding mode, and the vertical rods 102 are located at two ends of the unit segment. The two ends of the upper chord 101 and the lower chord 107 are respectively welded with a female joint 104 and a male joint, and two sides of the female joint 104 and two sides of the male joint are both provided with connecting pin holes in a penetrating way; when the adjacent unit segments are assembled, the female joint 104 and the male joint are inserted and butted, the correction and the alignment are realized through the connecting pin holes, and after the alignment, the pins 105 are driven into the connecting pin holes, so that the assembly of the adjacent unit segments can be realized. The pin 105 is provided with a limit through hole, and after the pin 105 is driven into the connecting pin hole 105, the safety pin 106 is inserted into the limit through hole, so that the pin 105 can be prevented from falling off from the connecting pin hole. And a plurality of connecting pieces used for being connected with the chute 6 are arranged on the side wall of one side opposite to the upper chord 101 of the two transverse truss girders 1.
As shown in fig. 1, three longitudinal moving mechanisms 2 are respectively arranged at the lower middle part and the positions close to the two end parts of the transverse truss girder 1; two longitudinal moving mechanisms 2 close to two ends below the transverse truss girder 1 are respectively arranged on top beams at two sides of the foundation pit, and the longitudinal moving mechanism 2 located in the middle below the transverse truss girder 1 is arranged above a concrete support in the middle of the foundation pit, is perpendicular to the transverse truss girder 1 and is parallel to the other two longitudinal moving mechanisms 2.
As shown in fig. 3, the longitudinal movement mechanism 2 includes a base a201, an orientation wheel a202, and a longitudinal movement rail 203. Bolt mounting holes are reserved at two ends of the upper surface of the base A201, connecting steel plates are reserved on the lower surfaces of the two transverse truss girders 1, the bolt mounting holes are formed in the connecting steel plates, and the base A201 and the transverse truss girders 1 are detachably connected through bolts. A pair of directional wheels A202 are mounted at positions, close to two end portions, of the lower surface of the base A201, a power driving mechanism A4 is mounted on one side of the base A201, and an output end of the power driving mechanism A4 is in transmission connection with one directional wheel A202 through a transmission device, so that driving force is provided for the concrete pouring device to move integrally along the longitudinal direction of the foundation pit. The longitudinal moving track 203 is fixedly arranged at the middle position of the top surfaces of the crown beams on two sides of the foundation pit, the directional wheel A202 is connected into the longitudinal moving track 203 in a concave shape, the directional wheel A202 can walk on the longitudinal moving track 203, and the longitudinal moving track 203 plays a key role in controlling the overall moving direction of the longitudinal moving mechanism 201.
As shown in fig. 4 and 5, the transverse moving mechanism 3 is installed on the top of the transverse truss girder 1 and is butted with the concrete blanking device 5 and the chute 6. The traverse mechanism 3 includes a traverse crown block 301, and the traverse crown block 301 includes a base B302, a directional wheel B303, a traverse rail 304, and a power drive mechanism B305. The transverse moving track 304 is fixedly arranged at the top of the upper chord 101 of the transverse truss girder 1 and is distributed along the length direction (namely transverse direction) of the transverse truss girder 1, the base B302 forms a main body frame structure of the transverse moving crown block 301 in a welding, riveting and other modes, four directional wheels B303 are arranged at four corners of the lower surface of the base B302 through wheel shafts, and the four directional wheels B303 all walk on the transverse moving track 304; a power driving mechanism B305 is arranged on the inner side of the base B302, and the output end of the power driving mechanism B305 is in transmission connection with one of the directional wheels B303 and is used for driving the transverse traveling crane 301 to integrally travel and move along the length direction (namely the transverse direction) of the transverse truss girder 1.
The power driving mechanism A4 and the power driving mechanism B305 are both composed of a variable frequency speed reducer and a servo controller, bevel gear sets are mounted on output shafts of the variable frequency speed reducer, and the bevel gear sets are connected with gear transmission shafts of the directional wheel A202 and the directional wheel B303 respectively.
As shown in fig. 4 and 5, the concrete blanking device 5 includes a hopper 501 and a blanking hose 502, the blanking hose 502 is connected to the bottom of the hopper 501, in actual construction, the lower portion of the blanking hose 502 can be adjusted and bent according to a pouring position, the hopper 501 is installed below the lateral movement mechanism 3 and connected to the base B302, and the lateral movement mechanism 3 can drive the concrete blanking device 5 to move laterally as a whole. Hopper 501 is made of iron sheet, and is fixed on lateral shifting mechanism 3 by using angle steel surrounding edges, and discharging hose 502 is made of steel wire plastic hose and is fixed on a circular discharge hole at the lower part of hopper 501 by using a hoop.
As shown in fig. 1 and 5, the chute 6 includes a chute body formed by detachably splicing and assembling a plurality of sectional chute segments 601, the chute body is obliquely arranged, and the sectional chute segments 601 at the tail end of the chute body are detachably connected with the hopper bin 501; every segmentation chute segment 601 lower surface all can be dismantled and install a set of flexible screw 602, the flexible screw 602 other end all is fixed with the connecting piece demountable installation of horizontal truss girder 1 upper chord 101 lateral wall, flexible screw 602 is used for supporting the cell body, the adjustment to the cell body gradient can be realized to flexible length through adjusting flexible screw 602, and then the concrete gravity that forms to accord with actual construction requirement flows the slope, ensure that the concrete can flow into hopper storehouse 501 through the cell body in, finally flow from unloading hose 502.
In the concrete pouring process, the transverse moving mechanism 3, the longitudinal moving mechanism 2 and the chute 6 are matched with each other to guide concrete pouring, and the concrete blanking device 5 is used for distributing the materials, so that the open-cut tunnel concrete is quickly poured, and the concrete pouring method by using the open-cut tunnel movable concrete pouring device comprises the following specific steps:
step 1: designing a concrete pouring device according to the transverse and longitudinal dimensions of an open trench tunnel supporting structure in a design drawing, simulating each working condition by establishing a three-dimensional model, determining the longitudinal and transverse distances of the concrete pouring device, and deepening the design of a longitudinal moving mechanism 2 in the concrete pouring device according to the concrete supporting position of the supporting structure;
step 2: determining the unit subsection quantity and each unit subsection size of the transverse truss girder 1 according to the field construction requirement, completing size rechecking according to the width of a foundation pit on the site, then carrying out deepening design on the detailed sizes and the installation and connection modes of other components, determining the power and specific models of a power driving mechanism A4 and a power driving mechanism B305, and finally forming a complete concrete pouring device detailed design drawing; processing each part according to a design drawing and transporting the parts to a construction site for use;
and step 3: installing and fixing longitudinal moving rails 203 of the longitudinal moving mechanisms 2 at two end parts in sections according to the lengths of the top beams at two sides of the foundation pit, installing and fixing the longitudinal moving rails 203 of the longitudinal moving mechanism 2 at the middle part on the upper part of a first longitudinal concrete support, then installing and installing a corresponding base A201 and a corresponding directional wheel A202 in a hoisting manner, and connecting a power driving mechanism A4 with the directional wheel A202 in a transmission manner;
and 4, step 4: the two transverse truss girders 1 are assembled in sections, then the transverse moving rail 304 is installed and fixed at the top of the upper chord 101, four longitudinal small truss girders 7 are installed on the transverse moving rail 304, then the two transverse truss girders 1 are hung above the longitudinal moving mechanisms 2 and are installed in a butt joint mode with the three longitudinal moving mechanisms 2, sundries on the longitudinal moving rail 203 route are cleaned, longitudinal displacement safety limiters are installed, longitudinal movement test run is carried out, and whether the longitudinal displacement safety limiters are intact is checked;
and 5: assembling a base B302, a directional wheel B303 and a power driving mechanism B305 of the transverse moving crown block 301 on the ground, debugging transverse moving control, hoisting and installing the transverse moving crown block to a transverse moving track 304 after debugging is correct, and performing transverse moving test;
step 6: fixing the hopper bin 501 and a base B302 of the transverse traveling crane 301, assembling the segmented chute sections 601 together and connecting the segmented chute sections with a telescopic screw 602, connecting the lower end of the telescopic screw 602 with the upper chord 101, and connecting the segmented chute section 601 at the tail end with the hopper bin 501;
and 7: carrying out comprehensive inspection and debugging, reasonably selecting a blanking hose 502 with moderate length according to the current construction foundation pit depth, pouring positions (a bottom plate, a side wall and a top plate) and the current construction working condition after the debugging is qualified, and installing and fixing the blanking hose 502 with a hopper 501;
and step 8: the parameters of the mixing proportion, the slump and the like of the poured concrete are determined through a field test, and the gradient of the chute body 6 is adjusted by adjusting the length of the telescopic screw 602 according to the fluidity and the slump of the concrete, so that the concrete can flow into the concrete blanking device 5 at a reasonable flow speed during subsequent pouring;
and step 9: the tank car is fixedly butted with the chute 6, concrete is guided to flow into the hopper bin 501 from the chute 6 and then flow out of the blanking hose 502, and the blanking hose 502 is manually pulled within a small construction radius to pour the concrete;
step 10: after the pouring construction of the first small-range construction radius area in the current section is completed, the segmented chute section 601 at the tail end of the chute 6 is detached from the hopper bin 501, the field control system controls the power driving mechanism B305 to work, and the transverse moving mechanism 3 is driven to drive the concrete blanking device 5 to integrally and transversely move to the position above the next small-range construction radius area in the current section; then the sectional chute segment 601 at the front end of the chute 6 and the corresponding telescopic screw 602 are detached, and the sectional chute segment 601 at the tail end of the chute 6 and the hopper bin 501 are installed in a butt joint mode again;
step 11: repeating the steps 9 to 10 until concrete pouring work of all areas in the current section is completely finished;
step 10: and (3) cleaning residual concrete in the concrete blanking device 5, controlling the power driving mechanism A4 to work through the field control system, driving the three longitudinal moving mechanisms 2 to drive the concrete pouring device to integrally move to the next section along the longitudinal direction, and repeating the steps 9 to 11 until the concrete pouring work of all the sections is completely finished.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any obvious modifications, substitutions or variations can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a device is pour to portable concrete in open cut tunnel, a serial communication port, including two assembled horizontal truss roof beam (1), install vertical little truss roof beam (7) between horizontal truss roof beam (1), horizontal truss roof beam (1) below middle part and be close to the position department at both ends all can dismantle and install longitudinal movement mechanism (2), demountable installation has transverse movement mechanism (3) between horizontal truss roof beam (1) the top, demountable installation has concrete unloader (5) horizontal movement mechanism (3) lower extreme, still demountable installation has chute (6) that the slope set up above horizontal truss roof beam (1), chute (6) end and concrete unloader (5) butt joint, chute (6) front end and concrete tank car butt joint are fixed.
2. The open-cut tunnel movable concrete pouring device according to claim 1, wherein the transverse truss girder (1) is a square steel pipe structure and is formed by detachably assembling a plurality of unit sections, each unit section comprises an upper chord (101) and a lower chord (107), and the upper chord (101) and the lower chord (107) are connected through welding through a vertical rod (102) and an inclined rod (103).
3. The open-cut tunnel mobile concrete pouring device according to claim 2, characterized in that a female joint (104) and a male joint are respectively welded at two ends of the upper chord (101) and the lower chord (107), connecting pin holes are respectively formed in two sides of the female joint (104) and the male joint in a penetrating manner, and when adjacent units are assembled in sections, the female joint (104) and the male joint are inserted and butted and are limited and fixed through a pin (105); the pin (105) is provided with a limit through hole in a penetrating way, and a safety pin (106) is clamped in the limit through hole.
4. The open-cut tunnel movable concrete pouring device according to claim 1, wherein two longitudinal moving mechanisms (2) close to two lower end portions of the transverse truss girder (1) are respectively arranged on crown beams on two sides of a foundation pit, and the longitudinal moving mechanism (2) located in the middle of the lower portion of the transverse truss girder (1) is arranged above a concrete support in the middle of the foundation pit, is perpendicular to the transverse truss girder (1) and is parallel to the other two longitudinal moving mechanisms (2).
5. The open-cut tunnel movable concrete pouring device according to claim 1, wherein the longitudinal moving mechanism (2) comprises a base A (201), a directional wheel A (202), a longitudinal moving rail (203) and a power driving mechanism A (4), the base A (201) is connected with the transverse truss girder (1) through bolts, the directional wheel A (202) is installed on the lower surface of the base A (201), the longitudinal moving rail (203) is installed and fixed at the position of the middle of the top surfaces of crown girders on two sides of a foundation pit, and the directional wheel A (202) is connected into the longitudinal moving rail (203); a power driving mechanism A (4) is installed on one side of the base A (201), and the output end of the power driving mechanism A (4) is in transmission connection with the directional wheel A (202) through a transmission device to drive the concrete pouring device to move longitudinally along the foundation pit integrally.
6. The open-cut tunnel movable concrete pouring device according to claim 1, wherein the transverse moving mechanism (3) comprises a transverse traveling crane (301), the transverse traveling crane (301) comprises a base B (302), a directional wheel B (303), a transverse rail (304) and a power driving mechanism B (305), the transverse rail (304) is fixedly installed at the top of an upper chord (101) of the transverse truss girder (1), the directional wheel B (303) is installed on the lower surface of the base B (302), and the directional wheel B (303) is connected into the transverse rail (304); the power driving mechanism B (305) is installed on the inner side of the base B (302), the output end of the power driving mechanism B (305) is in transmission connection with the directional wheel B (303) to drive the transverse traveling crane (301) to move transversely.
7. The open-cut tunnel mobile concrete pouring device according to claim 1, wherein the concrete discharging device (5) comprises a hopper bin (501) and a discharging hose (502), the discharging hose (502) is connected to the bottom of the hopper bin (501), and the hopper bin (501) is installed below the transverse moving mechanism (3).
8. The movable concrete pouring device for the open-cut tunnel according to claim 7, wherein the chute (6) comprises a groove body formed by detachably splicing and assembling a plurality of segmented chute sections (601), the segmented chute sections (601) at the tail end of the groove body are detachably connected with the hopper bin (501), a group of telescopic screws (602) are detachably mounted on the lower surface of each segmented chute section (601), and the other ends of the telescopic screws (602) are detachably mounted and fixed with connecting pieces on the side walls of upper chords (101) of the transverse truss girders (1).
9. The open-cut tunnel mobile concrete pouring device according to claim 7, wherein the hopper bin (501) is made of iron sheet, the surrounding edge of the angle steel is fixed on the base B (302), the blanking hose (502) is made of steel wire plastic hose, and the steel wire plastic hose is fixed on a circular discharge hole at the lower part of the hopper bin (501) by a hoop.
10. A pouring method using the open trench tunnel movable concrete pouring device of claim 8 is characterized by comprising the following steps:
step 1: selecting a blanking hose (502) according to the current construction foundation pit depth, the pouring position and the current construction working condition, and installing and fixing the blanking hose and a hopper bin (501);
and 2, step: determining the mixing proportion and the slump of the poured concrete through a field test, and adjusting the gradient of a chute body of the chute (6) by adjusting the length of a telescopic screw rod (602) according to the fluidity and the slump of the concrete;
and step 3: the tank car is fixedly butted with the chute (6), concrete is guided to flow into the hopper bin (501) from the chute (6) and then flow out of the blanking hose (502), and the manual traction of the blanking hose (502) is adopted within a small construction radius to pour the concrete;
and 4, step 4: after the pouring construction of the first small-range construction radius area in the current section is completed, the segmented chute section (601) at the tail end of the chute (6) is detached from the hopper bin (501), and the field control system controls the transverse moving mechanism (3) to drive the concrete blanking device (5) to integrally and transversely move to the position above the next small-range construction radius area in the current section; then, the sectional chute sections (601) at the front ends of the chutes (6) and the corresponding telescopic screws (602) are detached, and the sectional chute sections (601) at the tail ends of the chutes (6) and the hopper bins (501) are installed in a butt joint mode again;
and 5: repeating the steps 3 to 4 until concrete pouring work of all areas in the current section is completely finished;
and 6: and (3) cleaning residual concrete in the concrete blanking device (5), controlling three longitudinal moving mechanisms (2) through the field control system to synchronously drive the concrete pouring device to integrally move to the next section along the longitudinal direction, and repeating the steps from 3 to 5 until the concrete pouring work of all the sections is completely finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211174018.4A CN115387342A (en) | 2022-09-26 | 2022-09-26 | Movable concrete pouring device and method for open-cut tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211174018.4A CN115387342A (en) | 2022-09-26 | 2022-09-26 | Movable concrete pouring device and method for open-cut tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115387342A true CN115387342A (en) | 2022-11-25 |
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| CN202211174018.4A Pending CN115387342A (en) | 2022-09-26 | 2022-09-26 | Movable concrete pouring device and method for open-cut tunnel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205712111U (en) * | 2016-03-29 | 2016-11-23 | 中交一公局桥隧工程有限公司 | One is applicable to subway work moving concrete material distributing machine under small space |
| CN107152028A (en) * | 2017-06-30 | 2017-09-12 | 上海建工四建集团有限公司 | One kind can revolve type truss-like concreting chuting system and its construction method |
| CN208396721U (en) * | 2018-04-26 | 2019-01-18 | 中国葛洲坝集团第二工程有限公司 | Tunnel lining trolley belt feeder feeding system |
| CN213391243U (en) * | 2020-09-17 | 2021-06-08 | 中国建筑土木建设有限公司 | Telescopic folding type concrete pouring chute |
| CN113833013A (en) * | 2021-09-30 | 2021-12-24 | 中铁工程服务有限公司 | Subway station construction concrete placement distributing device |
| CN216476386U (en) * | 2021-09-30 | 2022-05-10 | 中铁工程服务有限公司 | Subway station construction concrete pouring and distributing device using movable distributing vehicle |
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2022
- 2022-09-26 CN CN202211174018.4A patent/CN115387342A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205712111U (en) * | 2016-03-29 | 2016-11-23 | 中交一公局桥隧工程有限公司 | One is applicable to subway work moving concrete material distributing machine under small space |
| CN107152028A (en) * | 2017-06-30 | 2017-09-12 | 上海建工四建集团有限公司 | One kind can revolve type truss-like concreting chuting system and its construction method |
| CN208396721U (en) * | 2018-04-26 | 2019-01-18 | 中国葛洲坝集团第二工程有限公司 | Tunnel lining trolley belt feeder feeding system |
| CN213391243U (en) * | 2020-09-17 | 2021-06-08 | 中国建筑土木建设有限公司 | Telescopic folding type concrete pouring chute |
| CN113833013A (en) * | 2021-09-30 | 2021-12-24 | 中铁工程服务有限公司 | Subway station construction concrete placement distributing device |
| CN216476386U (en) * | 2021-09-30 | 2022-05-10 | 中铁工程服务有限公司 | Subway station construction concrete pouring and distributing device using movable distributing vehicle |
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