CN111851328A - Modular, standardized prefabricating and assembling construction process for box culvert concrete structural steel bars - Google Patents

Modular, standardized prefabricating and assembling construction process for box culvert concrete structural steel bars Download PDF

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Publication number
CN111851328A
CN111851328A CN202010639303.3A CN202010639303A CN111851328A CN 111851328 A CN111851328 A CN 111851328A CN 202010639303 A CN202010639303 A CN 202010639303A CN 111851328 A CN111851328 A CN 111851328A
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CN
China
Prior art keywords
mesh
steel bar
reinforcing
box
plate
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Granted
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CN202010639303.3A
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Chinese (zh)
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CN111851328B (en
Inventor
徐振家
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Haimen Payuan Road & Bridge Construction Co ltd
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Haimen Payuan Road & Bridge Construction Co ltd
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Priority to CN202010639303.3A priority Critical patent/CN111851328B/en
Publication of CN111851328A publication Critical patent/CN111851328A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F5/00Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
    • E01F5/005Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04Mats
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162Connectors or means for connecting parts for reinforcements

Abstract

The invention relates to a construction process for modularization, standardized prefabrication and assembly of box culvert concrete structure reinforcing steel bars, which comprises the following steps of: step 1, manufacturing a female die; step 2, manufacturing a reinforcing mesh; step 3, hoisting the reinforcing mesh; step 4, installing the reinforcing mesh; and 5, installing the guide wall mold and the box type internal mold to finish concrete pouring. The traditional construction process that the traditional formwork construction and the steel bar construction are connected end to end is changed into a construction-period-free staggered construction process that the formwork construction and the steel bar construction are driven simultaneously, and a seamless construction flow chain is formed by the construction of the pipe gallery modular mold, so that the construction period is greatly shortened.

Description

Modular, standardized prefabricating and assembling construction process for box culvert concrete structural steel bars
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a modular, standardized prefabrication and assembly construction process for box culvert concrete structural steel bars.
Background
The pipe gallery is an underground urban pipeline comprehensive corridor, namely a tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the pipe gallery is an important infrastructure and a 'lifeline' for guaranteeing urban operation. The existing underground box culvert pipe gallery concrete structure steel bar construction completely adopts the traditional on-site binding construction process, and has the defects of low construction speed, more manpower, unstable quality and long construction period of investment projects.
Disclosure of Invention
Therefore, the invention aims to solve the problems of low construction speed, more workers, unstable quality and long construction period of investment projects in the prior art.
Therefore, the technical scheme adopted by the invention is that the construction process for modularization, standardized prefabrication and assembly of the box culvert concrete structure reinforcing steel bars comprises the following steps:
step 1, manufacturing a female die;
step 2, manufacturing a reinforcing mesh;
step 3, hoisting the reinforcing mesh;
step 4, installing the reinforcing mesh;
and 5, installing the guide wall mold and the box type internal mold to finish concrete pouring.
Preferably, the step 1 comprises: manufacturing a cuboid female die platform by using a steel pipe, installing an iron plate fixing frame on the plane of the female die platform 200, installing an angle iron positioning frame on the iron plate fixing frame, installing reinforcing steel bar spacing positioning pieces on two sides of the angle iron positioning frame, fixing by using clamping angle irons, and respectively installing reinforcing steel bar spacing pieces at the left end and the right end of the female die platform;
the step 2 comprises the following steps: placing the steel bars in the clamping grooves of the steel bar spacing positioning pieces 11 on the corresponding female die platforms in sequence, and welding the steel bars into a steel bar mesh by electric welding;
the step 3 comprises the following steps: after the reinforcing mesh is welded, removing the reinforcing steel bar spacing pieces on the female die platform, installing hoisting frames on the reinforcing steel bar mesh, hoisting the reinforcing steel bar mesh from the female die platform, and hoisting the reinforcing steel bar mesh into the pipe gallery for installation;
The step 4 comprises the following steps: according to the hoisting sequence of the different types of the steel mesh sheets, the steel mesh sheets are sequentially hoisted to the corresponding positions of the pipe gallery with the erected outer die, the lap joint parts of the adjacent steel mesh sheets of the same type are reinforced by electric welding, and the adjacent steel mesh sheets of the different types are connected into a whole by the thickness interval positioning sheets.
Preferably, the mesh for reinforcing bars includes: side wall external reinforcing mesh, side wall internal reinforcing mesh, mid-partition reinforcing mesh, bottom plate lower reinforcing mesh, bottom plate upper reinforcing mesh, top plate lower reinforcing mesh and top plate upper reinforcing mesh,
the side wall outer reinforcement net piece includes: the water-stopping steel plate is arranged on the first reinforcing mesh, a plurality of first connecting pieces are arranged on the periphery of the first reinforcing mesh, and a plurality of connecting holes are formed in the first connecting pieces;
reinforcing bar net piece includes in the lateral wall: the outer side of the second reinforcing mesh is provided with a first groove type embedded part, and the periphery of the second reinforcing mesh is provided with a plurality of second connecting sheets;
mid-board reinforcing bar net piece includes: the two sides of the third reinforcing mesh are respectively provided with a second groove type embedded part, and the periphery of the third reinforcing mesh is provided with a plurality of third connecting sheets;
Reinforcing bar net piece includes under the bottom plate: the periphery of the fourth reinforcing mesh is provided with a plurality of fourth connecting sheets;
reinforcing bar net piece includes on the bottom plate: and a plurality of fifth connecting sheets are arranged around the fifth reinforcing mesh.
Preferably, the side wall outer reinforcing mesh sheets and the side wall inner reinforcing mesh sheets are connected through width limiting sheets.
Preferably, a height limiting support is arranged between the lower steel mesh of the top plate and the upper steel mesh of the top plate.
The utility model provides a rigidity adjusting device, is applicable to box culvert type concrete structure reinforcing bar modularization, standardized prefabrication, assemble construction process, include:
the box body is arranged between the side wall outer reinforcement mesh and the side wall inner reinforcement mesh, a screw rod in the horizontal direction is arranged in the box body, one end of the screw rod is rotatably connected with the inner wall of the box body, the other end of the screw rod is connected with one end of a rotating shaft, a first through hole is formed in the side wall of the box body, and the other end of the rotating shaft penetrates through the first through hole, extends out of the box body and is connected with a handle;
the first moving block is provided with a first threaded hole, and the screw rod penetrates through the first threaded hole;
The first guide rod is arranged on one side of the screw rod, the first guide rod is obliquely arranged, two ends of the first guide rod are respectively connected with the inner wall of the box body, and a second moving block is arranged on the first guide rod and can reciprocate along the first guide rod;
the second guide rod is arranged on the other side of the screw rod, the second guide rod is arranged in an inclined mode, two ends of the second guide rod are respectively connected with the inner wall of the box body, and a third moving block is arranged on the second guide rod and can reciprocate along the second guide rod;
the limiting rod sequentially penetrates through the second moving block, the first moving block and the third moving block, and both the second moving block and the third moving block can reciprocate along the limiting rod.
Preferably, two ends of the limiting rod are respectively provided with a limiting block.
Preferably, the method further comprises the following steps:
the movable block is arranged above the screw rod, a first clamping groove is formed in one end, close to the first movable block, of the second movable block, a second clamping groove is formed in one end, close to the movable block, of the first movable block, and a third clamping groove is formed in one end, close to the first movable block, of the third movable block;
The moving plate is arranged at the top end of the movable block, and the left end and the right end of the moving plate are respectively provided with a second through hole;
one end of the fixed rod is connected with the top of the inner wall of the box body, the other end of the fixed rod penetrates through the second through hole and extends to the position below the movable plate, a first spring is sleeved on the fixed rod, one end of the first spring is connected with the movable plate, and the other end of the first spring is connected with the top of the inner wall of the box body;
the second spring is arranged between the two fixing rods, one end of the second spring is connected with the top of the inner wall of the box body, the other end of the second spring is connected with the movable plate, the first spring is in a compression state, and the second spring is in a stretching state.
The technical scheme of the invention has the following advantages: the invention relates to a construction process for modularization, standardized prefabrication and assembly of box culvert concrete structure reinforcing steel bars, which comprises the following steps of: step 1, manufacturing a female die; step 2, manufacturing a reinforcing mesh; step 3, hoisting the reinforcing mesh; step 4, installing the reinforcing mesh; and 5, installing the guide wall mold and the box type internal mold to finish concrete pouring. Through the three-dimensional, perpendicular ligature construction with the dispersion of traditional concrete structure reinforcing bar, change into the modularization that concrete structure reinforcing bar is concentrated, standardized horizontal manufacturing and the whole quick interlinkage construction of unit module, formed and had quick high-quality, safe cheap huge advantage, this technology can reduce the amount of labour more than two-thirds.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of a side wall outer reinforcement mesh in the present invention;
FIG. 2 is a side view of the outer reinforcing mesh of the side wall of the present invention;
FIG. 3 is a front view of the reinforcing mesh in the side wall of the present invention;
FIG. 4 is a side view of the reinforcing mesh in the side wall of the present invention;
FIG. 5 is a front view of a reinforcing mesh for an intermediate wall in the present invention;
fig. 6 is a side view of a mesh sheet for reinforcing bars of an intermediate wall in the present invention;
FIG. 7 is a front view of a reinforcing mesh under a base plate in accordance with the present invention;
FIG. 8 is a side view of a reinforcing mesh under a base plate according to the present invention;
FIG. 9 is a front view of a rebar grid on a base plate of the present invention;
FIG. 10 is a side view of a rebar grid of the present invention;
FIG. 11 is a front view of a reinforcing mesh under the top plate of the present invention;
FIG. 12 is a side view of a reinforcing mesh under the top plate of the present invention;
FIG. 13 is a front view of a rebar grid on a top plate of the present invention;
FIG. 14 is a side view of a rebar grid in the top plate of the present invention;
fig. 15 is a schematic view of a rebar module of the present invention;
fig. 16 is a schematic structural view of a mesh reinforcement die according to the present invention;
FIG. 17 is a schematic structural view of a width-limiting plate according to the present invention;
FIG. 18 is a schematic view showing the construction of the rigidity adjusting apparatus according to the present invention;
FIG. 19 is a schematic view of the structure of the movable block of the present invention;
FIG. 20 is a schematic view of an automatic rigidity adjustment structure according to the present invention;
wherein, 1-side wall external reinforcing mesh, 2-side wall internal reinforcing mesh, 3-mid wall reinforcing mesh, 4-bottom plate lower reinforcing mesh, 5-bottom plate upper reinforcing mesh, 6-top plate lower reinforcing mesh, 7-top plate upper reinforcing mesh, 9-iron plate fixing frame, 10-angle iron positioning frame, 11-reinforcing steel spacing positioning piece, 12-clamping angle iron, 13-reinforcing steel spacing limiting piece, 15-width limiting piece, 16-height limiting bracket, 17-box body, 18-screw rod, 19-rotating shaft, 20-first through hole, 21-handle, 22-first moving block, 23-first threaded hole, 24-first guide rod, 25-second moving block, 26-second guide rod, 27-third moving block, 28-a limiting rod, 29-a limiting block, 30-a movable block, 31-a first clamping groove, 32-a second clamping groove, 33-a third clamping groove, 34-a movable plate, 35-a second through hole, 36-a fixed rod, 37-a first spring, 38-a second spring, 100-a steel mesh sheet, 101-a first steel mesh, 102-a water stop steel plate, 103-a first connecting sheet, 200-a female die platform, 201-a second steel mesh, 202-a first groove embedded part, 203-a second connecting sheet, 301-a third steel mesh, 302-a second groove embedded part, 303-a third connecting sheet, 401-a fourth steel mesh, 402-a fourth connecting sheet, 501-a fifth steel mesh and 502-a fifth connecting sheet.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides a box culvert concrete structure reinforcing steel bar modularization, standardization prefabrication and assembly construction process, as shown in figures 1-17, which comprises the following steps:
step 1, manufacturing a female die;
step 2, manufacturing a reinforcing mesh sheet 100;
step 3, hoisting the reinforcing mesh piece 100;
step 4, installing the reinforcing mesh sheet 100;
and 5, installing the guide wall mold and the box type internal mold to finish concrete pouring.
The step 1 comprises the following steps: manufacturing a cuboid female die platform 200 by using a steel pipe, installing an iron plate fixing frame 9 on the plane of the female die platform 200, installing an angle iron positioning frame 10 on the iron plate fixing frame 9, installing reinforcing steel bar spacing positioning pieces 11 on two sides of the angle iron positioning frame 10, fixing by using clamping angle irons 12, and installing reinforcing steel bar spacing pieces 13 at the left end and the right end of the female die platform 200 respectively;
the step 2 comprises the following steps: placing the steel bars in the clamping grooves of the steel bar spacing positioning pieces 11 on the corresponding female die platforms 200 in sequence, and welding the steel bars into the steel bar net piece 100 by electric welding;
the step 3 comprises the following steps: after the reinforcing steel bar mesh piece 100 is welded, the reinforcing steel bar spacing limiting pieces 13 on the female die platform 200 are removed, a hoisting frame is installed on the reinforcing steel bar mesh piece 100, and the reinforcing steel bar mesh piece 100 is hoisted from the female die platform and is installed in a pipe gallery;
The step 4 comprises the following steps: according to the hoisting sequence of the different types of the reinforcing mesh sheets 100, the reinforcing mesh sheets 100 are sequentially hoisted to the corresponding positions of the pipe gallery with the erected external mold, the lap joint parts of the adjacent reinforcing mesh sheets 100 of the same type are reinforced by electric welding, and the adjacent reinforcing mesh sheets 100 of different types are connected into a whole by the thickness interval positioning sheets.
The mesh reinforcement sheet 100 includes: a side wall outer reinforcing mesh sheet 1, a side wall inner reinforcing mesh sheet 2, an intermediate wall reinforcing mesh sheet 3, a bottom plate lower reinforcing mesh sheet 4, a bottom plate upper reinforcing mesh sheet 5, a top plate lower reinforcing mesh sheet 6 and a top plate upper reinforcing mesh sheet 7,
side wall external reinforcement net piece 1 includes: the water-stopping steel plate is arranged on the first reinforcing mesh 101, a plurality of first connecting pieces 103 are arranged on the periphery of the first reinforcing mesh 101, and a plurality of connecting holes are formed in the first connecting pieces 103;
reinforcing bar net piece 2 includes in the lateral wall: a second reinforcing mesh 201, wherein a first groove type embedded part 202 is arranged on the outer side of the second reinforcing mesh 201, and a plurality of second connecting sheets 203 are arranged on the periphery of the second reinforcing mesh 201;
the mid-wall reinforcing mesh 3 comprises: a third steel bar mesh 301, wherein second groove-type embedded parts 302 are respectively installed on two sides of the third steel bar mesh 301, and a plurality of third connecting pieces 303 are arranged on the periphery of the third steel bar mesh 301;
Reinforcing bar net piece 4 includes under the bottom plate: a fourth steel bar mesh 401, wherein a plurality of fourth connecting pieces 402 are arranged around the fourth steel bar mesh 401;
reinforcing bar net piece 5 includes on the bottom plate: a fifth reinforcing mesh 501, and a plurality of fifth connecting sheets 502 are arranged around the fifth reinforcing mesh 501.
The side wall outer reinforcing steel bar mesh sheet 1 and the side wall inner reinforcing steel bar mesh sheet 2 are connected through a width limiting sheet 15.
And a height limiting bracket 16 is arranged between the steel bar mesh sheet 6 under the top plate and the steel bar mesh sheet 7 on the top plate.
The working principle and the beneficial technical effects of the technical scheme are as follows: the traditional three-dimensional and vertical binding construction of the concrete structural steel bars is changed into the integral quick linking construction of the modularized and standardized horizontal manufacturing and unit modules with concentrated concrete structural steel bars, so that the huge advantages of quickness, high quality, safety and low cost are formed. The process can reduce the amount of labor by more than two thirds. Meanwhile, the traditional construction process of end-to-end connection of traditional formwork construction and steel bar construction is changed into a construction-period-free staggered construction process of formwork construction and steel bar construction which are driven simultaneously, and a seamless construction flow chain is formed by the construction of a modular mold of a pipe gallery, so that the construction period is greatly shortened.
6. A rigidity adjusting apparatus, as shown in fig. 18, comprising:
the box body 17 is arranged between the side wall external reinforcement mesh sheet 1 and the side wall internal reinforcement mesh sheet 2, a screw 18 in the horizontal direction is arranged in the box body 17, one end of the screw 18 is rotatably connected with the inner wall of the box body 17, the other end of the screw 18 is connected with one end of a rotating shaft 19, a first through hole 20 is arranged on the side wall of the box body 17, and the other end of the rotating shaft 19 penetrates through the first through hole 20, extends out of the box body 17 and is connected with a handle 21;
the first moving block 22 is provided with a first threaded hole 23, and the screw 18 penetrates through the first threaded hole 23;
the first guide rod 24 is arranged on one side of the screw 18, the first guide rod 24 is obliquely arranged, two ends of the first guide rod 24 are respectively connected with the inner wall of the box body 17, a second moving block 25 is arranged on the first guide rod 24, and the second moving block 25 can reciprocate along the first guide rod 24;
a second guide rod 26 disposed on the other side of the screw 18, wherein the second guide rod 26 is disposed in an inclined manner, two ends of the second guide rod 26 are respectively connected to the inner wall of the box 17, a third moving block 27 is disposed on the second guide rod 26, and the third moving block 27 can reciprocate along the second guide rod 26;
And the limiting rod 28 penetrates through the second moving block 25, the first moving block 22 and the third moving block 27 in sequence, and both the second moving block 25 and the third moving block 27 can reciprocate along the limiting rod 28.
The working principle and the beneficial technical effects of the technical scheme are as follows: the reinforcing mesh sheet die is installed on the construction surface of the pipe gallery, the handle 21 is rotated to drive the rotating shaft 19 to rotate, the rotating shaft 19 drives the screw rod 18 to rotate, the first moving block 22 is driven to move right through the threaded transmission of the screw rod 18 and the first moving block 22, the first moving block 22 drives the second moving block 25 and the third moving block 27 to move right, and therefore the first moving block 22, the second moving block 25 and the third moving block 27 are tightly pressed at the right end of the box body 17. Because the first moving block 22, the second moving block 25 and the third moving block 27 are connected and fixed at the right end of the box body 17 through the limiting rod 28, the contact area with the inner wall of the box body 17 is increased, and the support strength and rigidity are improved through the connection of rod pieces, so that the right end of the box body 17 can be used as a stress surface and can bear larger pressure; before the installation, each movable block can move to the centre of box 17 for the terminal surface of box 17 has certain elasticity, and the installation of being convenient for, after accomplishing the installation at the construction face, rotatory handle 21 makes each movable block remove to box 17 right-hand member, improves the intensity and the rigidity of box 17 right-hand member face, and box 17 right-hand member is close to the inboard of piping lane, thereby can bear the huge pressure of concrete when pouring the shaping, improves and reduces the deformation, improves the quality of piping lane construction.
In one embodiment, two ends of the limiting rod 28 are respectively provided with a limiting block 29, and the limiting blocks 29 play a limiting role to prevent the limiting rod 28 from moving beyond the upper and lower limit displacements.
In one embodiment, as shown in fig. 19-20, further comprising:
a movable block 30 disposed above the screw 18, wherein a first engaging groove 31 is disposed at one end of the second movable block 25 close to the first movable block 22, a second engaging groove 32 is disposed at one end of the first movable block 22 close to the movable block 30, and a third engaging groove 33 is disposed at one end of the third movable block 27 close to the first movable block 22;
the moving plate 34 is arranged at the top end of the movable block 30, and the left end and the right end of the moving plate 34 are respectively provided with a second through hole 35;
one end of the fixed rod 36 is connected with the top of the inner wall of the box 17, the other end of the fixed rod 36 penetrates through the second through hole 35 and extends to the lower side of the moving plate 34, a first spring 37 is sleeved on the fixed rod 36, one end of the first spring 37 is connected with the moving plate 34, and the other end of the first spring 37 is connected with the top of the inner wall of the box 17;
and a second spring 38 disposed between the two fixing rods 36, wherein one end of the second spring 38 is connected to the top of the inner wall of the box 17, the other end of the second spring 38 is connected to the moving plate 34, the first spring 37 is in a compressed state, and the second spring 38 is in an extended state.
The working principle and the beneficial technical effects of the technical scheme are as follows: when the movable block 30 is in a suspended state, the top end of the box body 17 has certain elasticity and can play a role in buffering, the handle 21 is rotated to enable the first moving block 22, the second moving block 25 and the third moving block 27 to move towards the movable block 30, the first clamping groove 31, the second clamping groove 32 and the third clamping groove 33 are clamped on the outer wall of the movable block 30, so that the movable block 30 is fixed, the strength and the rigidity of the box body 17 are enhanced, when the top end of the box body 17 is impacted, the first spring 37 is in a compressed state, the second spring 38 is in a stretched state, the first spring 37 can play a role in buffering, so that the top end of the protective body 17 is protected, when the top end of the box body 17 is greatly impacted, the downward displacement of the top end of the box body 17 is increased, at the moment, the second spring 38 is changed from a stretched state to a compressed state, the first spring 37 and the second spring 38 are both in a compressed state, even under huge impact, great vibration cannot be generated, and the whole module is protected; the moving plate 34 can move up and down along the fixed rod 36, so that the moving plate 34 is prevented from shaking left and right, and the moving plate 34 can move more stably. The rigidity of the top plate and the side wall of the box body 17 can be adjusted by rotating the handle 21, and the bearing state can be switched, so that the box body is suitable for complex and changeable construction environments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides a box culvert class concrete structure reinforcing bar modularization, standardized prefabrication, assemble construction process which characterized in that includes following step:
step 1, manufacturing a female die;
step 2, manufacturing a reinforcing mesh (100);
step 3, hoisting the reinforcing mesh (100);
step 4, installing a steel bar mesh (100);
and 5, installing the guide wall mold and the box type internal mold to finish concrete pouring.
2. The box culvert concrete structure steel bar modularization, standardization prefabrication and assembly construction process according to claim 1, characterized in that,
the step 1 comprises the following steps: manufacturing a cuboid female die platform (200) by using a steel pipe, installing an iron plate fixing frame (9) on the upper plane of the female die platform (200), installing an angle iron positioning frame (10) on the iron plate fixing frame (9), installing reinforcing steel bar spacing positioning pieces (11) on two sides of the angle iron positioning frame (10), fixing by using clamping angle irons (12), and installing reinforcing steel bar spacing limiting pieces (13) at the left end and the right end of the female die platform (200) respectively;
The step 2 comprises the following steps: placing the steel bars in the clamping grooves of the steel bar spacing positioning pieces (11) on the corresponding female die platforms (200) in sequence, and welding the steel bars into a steel bar mesh (100) by electric welding;
the step 3 comprises the following steps: after the reinforcing steel bar mesh (100) is welded, the reinforcing steel bar spacing limiting pieces (13) on the female die platform (200) are removed, a hoisting frame is installed on the reinforcing steel bar mesh (100), and the reinforcing steel bar mesh (100) is hoisted from the female die platform and is installed in the pipe gallery;
the step 4 comprises the following steps: according to the hoisting sequence of the different types of the steel bar meshes (100), the steel bar meshes (100) are sequentially hoisted to the corresponding positions of the pipe gallery with the erected external mold, the lap joint parts of the adjacent steel bar meshes (100) of the same type are reinforced by electric welding, and the adjacent steel bar meshes (100) of different types are connected into a whole by using thickness interval positioning plates.
3. The box culvert concrete structure steel bar modularization, standardization prefabrication and assembly construction process according to claim 1, characterized in that,
the mesh reinforcement (100) comprises: a side wall outer reinforcing mesh (1), a side wall inner reinforcing mesh (2), a mid-partition wall reinforcing mesh (3), a bottom plate lower reinforcing mesh (4), a bottom plate upper reinforcing mesh (5), a top plate lower reinforcing mesh (6) and a top plate upper reinforcing mesh (7),
The side wall external reinforcement net piece (1) comprises: the water-stopping steel plate is arranged on the first reinforcing mesh (101), a plurality of first connecting pieces (103) are arranged on the periphery of the first reinforcing mesh (101), and a plurality of connecting holes are formed in the first connecting pieces (103);
reinforcing bar net piece (2) include in the lateral wall: the outer side of the second steel bar mesh (201) is provided with a first groove type embedded part (202), and a plurality of second connecting pieces (203) are arranged on the periphery of the second steel bar mesh (201);
the mid-partition steel bar mesh (3) comprises: the two sides of the third steel bar mesh (301) are respectively provided with a second groove type embedded part (302), and a plurality of third connecting sheets (303) are arranged on the periphery of the third steel bar mesh (301);
reinforcing bar net piece (4) include under the bottom plate: the periphery of the fourth steel bar mesh (401) is provided with a plurality of fourth connecting sheets (402);
reinforcing bar net piece (5) include on the bottom plate: the steel bar net comprises a fifth steel bar net (501), and a plurality of fifth connecting sheets (502) are arranged on the periphery of the fifth steel bar net (501).
4. The box culvert concrete structure steel bar modularization, standardization prefabrication and assembly construction process according to claim 3, characterized in that the side wall outer steel bar mesh (1) and the side wall inner steel bar mesh (2) are connected through a width limiting sheet (15).
5. The box culvert concrete structure steel bar modularization, standardized prefabrication and assembling construction process according to claim 3, characterized in that a height limiting bracket (16) is arranged between the steel bar mesh sheet (6) below the top plate and the steel bar mesh sheet (7) on the top plate.
6. A rigidity adjusting device is suitable for the construction process of modularization, standardized prefabrication and assembly of box culvert type concrete structural steel bars of any one of claims 1 to 5, and is characterized by comprising the following steps:
the side wall outer reinforcement mesh (1) and the side wall inner reinforcement mesh (2) are arranged in the box body (17), a screw rod (18) in the horizontal direction is arranged in the box body (17), one end of the screw rod (18) is rotatably connected with the inner wall of the box body (17), the other end of the screw rod (18) is connected with one end of a rotating shaft (19), a first through hole (20) is formed in the side wall of the box body (17), and the other end of the rotating shaft (19) penetrates through the first through hole (20) to extend out of the box body (17) and is connected with a handle (21);
the first moving block (22), a first threaded hole (23) is formed in the first moving block (22), and the screw rod (18) penetrates through the first threaded hole (23);
the first guide rod (24) is arranged on one side of the screw rod (18), the first guide rod (24) is obliquely arranged, two ends of the first guide rod (24) are respectively connected with the inner wall of the box body (17), a second moving block (25) is arranged on the first guide rod (24), and the second moving block (25) can reciprocate along the first guide rod (24);
The second guide rod (26) is arranged on the other side of the screw rod (18), the second guide rod (26) is obliquely arranged, two ends of the second guide rod (26) are respectively connected with the inner wall of the box body (17), a third moving block (27) is arranged on the second guide rod (26), and the third moving block (27) can reciprocate along the second guide rod (26);
the limiting rod (28) penetrates through the second moving block (25), the first moving block (22) and the third moving block (27) in sequence, and both the second moving block (25) and the third moving block (27) can reciprocate along the limiting rod (28).
7. A stiffness adjustment device according to claim 6, characterized in that the two ends of the limiting rod (28) are provided with limiting blocks (29), respectively.
8. The rigidity adjusting apparatus according to claim 6, further comprising:
the movable block (30) is arranged above the screw (18), a first clamping groove (31) is formed in one end, close to the first movable block (22), of the second movable block (25), a second clamping groove (32) is formed in one end, close to the movable block (30), of the first movable block (22), and a third clamping groove (33) is formed in one end, close to the first movable block (22), of the third movable block (27);
The moving plate (34) is arranged at the top end of the moving block (30), and the left end and the right end of the moving plate (34) are respectively provided with a second through hole (35);
one end of the fixing rod (36) is connected with the top of the inner wall of the box body (17), the other end of the fixing rod (36) penetrates through the second through hole (35) and extends to the position below the moving plate (34), a first spring (37) is sleeved on the fixing rod (36), one end of the first spring (37) is connected with the moving plate (34), and the other end of the first spring (37) is connected with the top of the inner wall of the box body (17);
the second spring (38) is arranged between the two fixing rods (36), one end of the second spring (38) is connected with the top of the inner wall of the box body (17), the other end of the second spring (38) is connected with the moving plate (34), the first spring (37) is in a compressed state, and the second spring (38) is in a stretched state.
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