CN115284417A - Prefabricated box culvert hydraulic driving template based on center column positioning and use method - Google Patents
Prefabricated box culvert hydraulic driving template based on center column positioning and use method Download PDFInfo
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- CN115284417A CN115284417A CN202211068297.6A CN202211068297A CN115284417A CN 115284417 A CN115284417 A CN 115284417A CN 202211068297 A CN202211068297 A CN 202211068297A CN 115284417 A CN115284417 A CN 115284417A
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
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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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0055—Mould pallets; Mould panels
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention provides a prefabricated box culvert hydraulic driving template based on center column positioning and a using method thereof, the prefabricated box culvert hydraulic driving template comprises a bottom template, wherein the outer side of the bottom template is provided with an outer template, the inner side of the bottom template is provided with an inner template, the inner template consists of two half modules, inner template panels in the two half modules can move relatively, two ends of the inner template panel are provided with rotating templates, a plurality of pull rods are arranged between the top and the bottom of the outer template and the inner template, and the pull rods are connected with the outer template and the inner template; the bottom of the inner formwork is provided with a bracket, the bracket is fixedly provided with a stand column, two sides of the stand column are fixedly provided with a plurality of sleeves, a slide bar is arranged in each sleeve, the end part of each slide bar is fixed on the inner formwork panel, a second hydraulic cylinder is arranged between the stand column and the inner formwork panel, and a plurality of inner formwork adjustable supports are arranged between the stand column and the inner formwork panel and between the stand column and the rotating formwork. The inner mould is conveniently installed and disassembled through the hydraulic system connected with the central stand column, various types of prefabricated box culvert construction are applied, the construction progress is accelerated, the construction cost is reduced, and the entity quality of the prefabricated box culvert is effectively improved.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a hydraulic driving template of a prefabricated box culvert based on center column positioning and a using method.
Background
The box culvert construction generally adopts cast-in-place, carries out the reinforcing bar, template, the concrete construction of the latter half of bottom plate and lateral wall earlier, then carries out lateral wall upper portion and roof reinforcing bar, template, concrete construction, and the time is long, the process links up closely, to concrete placement quality requirement height.
The precast concrete box culvert is also called an assembled box culvert, and is a reinforced concrete box type member precast by concrete, reinforcing steel bars and the like, and a single-layer or multi-layer reinforcing steel bar framework is arranged in the wall, so that the precast concrete box culvert has the characteristics of being processed at the back site and being installed on site. The method can realize the perfect combination of factory streamlined prefabrication and on-site mechanized splicing construction, is little influenced by climate, can realize all-weather operation, and can further realize the standardization, normalization and refinement of construction.
After document retrieval, some documents have been studied, for example: 1. the prefabricated box culvert hydraulic template system and the using method thereof CN108189203A disclose the prefabricated box culvert hydraulic template system and the using method thereof, when the culvert structure is changed, the internal mold hydraulic pump system is not universal, and the oil pipe of the hydraulic pump station needs to be connected with the internal and external templates, so the operation is complex; 2. the utility model provides a novel prefabricated box culvert mould CN202121025202.3 discloses a novel prefabricated box culvert mould, and this prefabricated box culvert mould external mold need set up the support shallow, sets up the sideslip hydro-cylinder too much, and the construction flow is complicated, and does not contain construction operation platform system.
Disclosure of Invention
The invention mainly aims to provide a center column positioning-based hydraulic driving template for a prefabricated box culvert and a using method thereof, and solves the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the die comprises a bottom die plate, wherein an outer die plate is arranged on the outer side of the bottom die plate, an inner die plate is arranged on the inner side of the bottom die plate, the inner die plate consists of two half dies, an inner die panel in the two half dies can move relatively, rotating die plates are arranged at two ends of the inner die panel, a plurality of pull rods are arranged between the top and the bottom of the outer die plate and the inner die plate, and the pull rods are connected with the outer die plate and the inner die plate;
the bottom of the inner formwork is provided with a bracket, the bracket is fixedly provided with a stand column, two sides of the stand column are fixedly provided with a plurality of sleeves, a slide bar is arranged in each sleeve, the end part of each slide bar is fixed on the inner formwork panel, a second hydraulic cylinder is arranged between the stand column and the inner formwork panel, and a plurality of inner formwork adjustable supports are arranged between the stand column and the inner formwork panel and between the stand column and the rotating formwork.
In the preferred scheme, a plurality of bottom die panels in the bottom die plate are connected end to form a square shape, the bottoms of the bottom die panels are abutted to the ground through the backing beams, a plurality of bottom supporting plates are arranged on the outer sides of the bottom die panels, and the bottoms of the outer die plates are abutted to the bottom supporting plates.
In the preferred scheme, a plurality of outer mold panels in the outer mold plate are connected end to form a square shape, outer mold support connecting seats are fixedly arranged on two sides of the outer part of each outer mold panel, hinged outer mold adjustable supports are arranged on the outer mold support connecting seats, and the outer mold adjustable supports obliquely support the outer mold panels;
the outer mold lifting top is arranged at the bottom of the outer mold adjustable support and the outer mold panel and abuts against the ground.
In the preferred scheme, an inner mold supporting connecting seat and an inner mold oil cylinder connecting seat are fixedly arranged inside the inner mold panel and the rotating template, a plurality of sleeve connecting plates are arranged inside the inner mold panel, and the sleeve connecting plates are aligned with the stand columns;
one end of the second hydraulic cylinder is hinged on the upright post, and the other end of the second hydraulic cylinder is hinged on the inner die oil cylinder connecting seat;
the end part of the sliding rod is fixed on the sleeve connecting plate.
In the preferred scheme, the ends of the rotating templates in the two half moulds are provided with bevel mouths which are mutually abutted and matched;
the rotating templates in the two half moulds rotate successively, when rotating inwards, the rotating template with the outwards inclined opening rotates firstly, and when rotating outwards, the rotating template with the inwards inclined opening rotates firstly.
In the preferred scheme, the bracket beam assembly in the bracket is propped against the ground through the pad beam, the connecting seat plate is fixedly arranged on the bracket beam assembly, and the bottom of the upright post is fixed on the connecting seat plate.
In the preferred scheme, a plurality of upright post supporting and connecting seats are fixedly arranged on the periphery of the top of an upright post center rod in an upright post, and the upright post supporting and connecting seats are connected with an internal mold supporting and connecting seat through an internal mold adjustable support;
the two sides of the center rod of the upright post are fixedly provided with upright post oil cylinder connecting seats which are connected with the inner mold oil cylinder connecting seat through a second hydraulic cylinder;
the bottom of the center pole of the upright post is fixedly provided with an upright post connecting plate which is fixedly connected with the connecting seat plate through a bolt.
A ladder stand is axially arranged on one side of the center rod of the upright post.
In the preferred scheme, the number of the stand columns in the inner template is two, the two stand columns are fixed on two sides of the top of the bracket, and two sides of the two stand columns are connected with the inner template panel through the sleeve, the sliding rod and the second hydraulic cylinder.
In the preferred scheme, an operating platform is fixedly arranged around the top of the outer template, a protective guard is fixedly arranged on the periphery of the operating platform, and a movable step ladder is arranged on one side of the operating platform.
The method comprises the following steps: s1, installing a pad beam according to a design size, leveling and fixing the pad beam with the ground;
s2, installing a bottom template on the pad beam, and welding the bottom template and the pad beam after leveling;
s3, mounting a bracket, wherein the bracket is abutted against the pad beam, and an upright post is mounted on the bracket;
s4, installing an inner template, adjusting the periphery of the inner template to abut against the bottom template, and connecting the inner template with the upright post through an inner mold adjustable support, a second hydraulic cylinder and a first hydraulic cylinder;
s5, hoisting a reinforcement cage to be sleeved on the inner formwork, binding and fastening the reinforcement cage, installing an outer formwork, fixing the reinforcement cage through bolts, and sequentially installing outer formwork adjustable supports to perform diagonal bracing on the outer formwork;
s6, connecting the top and the bottom of the inner template and the outer template through a plurality of pull rods;
s7, an operation platform is installed at the top of the outer template, and the movable step ladder and the protective handrail are fixed on the operation platform.
The invention provides a center upright post positioning-based hydraulic driving template for a prefabricated box culvert and a using method thereof, and the center upright post positioning-based hydraulic driving template has the following beneficial effects:
(1) The economy is good. The materials such as the steel template, the upright post and the guardrail in the template system and the equipment such as the hydraulic oil pump are convenient to process, the overall investment is low, and the materials can be repeatedly utilized;
(2) The work efficiency is high. The template system is simple in structure, mainly comprises an inner mold, an outer mold, an underframe, an upright post and other structures, is convenient to mount and dismount, and improves the construction efficiency;
(3) The safety performance is high. The template system is provided with the movable step ladder and the operating platform, and a construction scaffold does not need to be independently arranged for operation, so that the safety guarantee in the construction process can be further improved;
(4) The appearance quality is good. The template system has the advantages that the prefabricated box culvert is cast at one time, the integrity is good, the member production is large-scale, and the construction quality of the box culvert is greatly improved;
(5) The applicability is strong. The template system can be used for performing the construction of the prefabricated box culvert only by having two necessary conditions of a flat field and hoisting equipment, and has wide applicability; the inner mold, the outer mold, the bottom mold, the upright columns and the like can be integrally prefabricated in a unit mode according to the size of the box culvert, assembly and assembly can be achieved, and flexibility is high;
(6) Is environment-friendly and practical. The prefabricated box culvert of the template system is processed on the back field and then is transported to the site for installation, the occupied site is small, the process is simple, no construction waste is generated, and the requirement of site environmental protection is met.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view of the invention A-A;
FIG. 3 isbase:Sub>A cross-sectional exploded view of the invention A-A;
FIG. 4 is a top view of the bottom form of the present invention;
FIG. 5 is a top view of the outer die plate of the present invention;
FIG. 6 is an elevation view of an outer form of the present invention;
FIG. 7 is a top plan view of the bracket of the present invention;
FIG. 8 is a front elevational view of the post of the present invention;
FIG. 9 is a top view of a mold half of the present invention;
FIG. 10 is a front view of a mold half of the present invention;
FIG. 11 is an interior form support attachment view of the present invention;
FIG. 12 is a schematic view of the inner template of the present invention being collapsed;
FIG. 13 is a connecting view of the inner formworks of the large-size prefabricated box culvert of the invention;
in the figure: a bottom template 1; a bottom die face plate 101; a backing plate 102; a water blocking tank 203; an outer template 2; an exterior mold panel 201; an outer mold support connecting seat 202; an outer mold lifting top 203; an inner template 3; an inner mold panel 301; rotating the template 302; a bushing connecting plate 303; an internal mold cylinder connection base 304; inner mold support connection base 305; an inner mold lifter roof 306; a bracket 4; a carrier beam assembly 401; a connection base plate 402; an operation platform 5; a column 6; a column center rod 601; the upright supports the connecting base 602; a sleeve 603; a slide bar 604; a ladder stand 605; a column cylinder connection seat 606; a column connecting plate 607; a chute 608; moving the step ladder 7; a first hydraulic cylinder 8; an inner mold adjustable support 9; a second hydraulic cylinder 10; an outer mold adjustable support 11; a bolster 12.
Detailed Description
Example 1
As shown in fig. 1 to 13, the prefabricated box culvert hydraulic driving template based on center column positioning and the using method thereof comprise a bottom template 1, wherein an outer template 2 is arranged on the outer side of the bottom template 1, an inner template 3 is arranged on the inner side of the bottom template 1, the inner template 3 consists of two half modules, an inner template panel 301 in the two half modules can move relatively, rotating templates 302 are arranged at two ends of the inner template panel 301, a plurality of pull rods are arranged between the top and the bottom of the outer template 2 and the inner template 3, and the pull rods are connected with the outer template 2 and the inner template 3;
the bottom of the inner formwork 3 is provided with a bracket 4, the bracket 4 is fixedly provided with a stand column 6, two sides of the stand column 6 are fixedly provided with a plurality of sleeves 603, a sliding rod 604 is arranged in each sleeve 603, the end part of each sliding rod 604 is fixed on the inner formwork panel 301, a second hydraulic cylinder 10 is arranged between the stand column 6 and the inner formwork panel 301, and a plurality of inner formwork adjustable supports 9 are arranged between the stand column 6 and the inner formwork panel 301 and between the stand column 6 and the rotating formwork 302. From this structure, according to design drawing size location installation pad roof beam 12, die block board 1 fixed mounting is at pad roof beam 12 to installation bracket 4, inner formword 3, stand 6 and exterior sheathing 2 in proper order, thereby form the cavity of pouring of prefabricated box culvert, the ligature steel reinforcement cage can pour concrete shaping box culvert in the cavity. The split type inner template 3 can enable the two half molds to move relatively, so that demolding of the inner mold is facilitated, and the two half molds can have a relatively moving space due to rotation of the rotating template 302, so that demolding and taking out of the inner mold are facilitated. When the inner formwork 3 is installed, the rotating formwork 302 rotates to contract, the inner formwork panel 301 is close to and contracts to be hoisted to the bottom formwork 1, when the inner formwork is unfolded for use, the rotating formwork 302 and the inner formwork panel 301 are abutted to the bottom formwork 1 through pushing of the first hydraulic cylinder 8 and the second hydraulic cylinder 10, and a plurality of inner formwork adjustable supports 9 are installed among the upright posts 6, the inner formwork panel 301 and the rotating formwork 302 in a reinforcing mode, so that the integral stability of the inner formwork 3 is guaranteed.
In the preferred scheme, a plurality of bottom die panels 101 in the bottom die plate 1 are connected end to form a square shape, the bottoms of the bottom die panels 101 are abutted against the ground through the pad beams 12, a plurality of bottom supporting plates 102 are arranged on the outer sides of the bottom die panels 101, and the bottoms of the outer die plates 2 are abutted against the bottom supporting plates 102. According to the structure, the bottom die panels 101 are fixedly connected through bolts, the pad beams 12 are positioned and installed according to the size of a design drawing, the bottom die panels 101 are installed and fixed on the pad beams 12 in a leveling mode, and the bottoms of the outer templates 2 abut against the bottom supporting plate 102 for installation.
In a preferable scheme, a plurality of outer mold panels 201 in the outer mold plate 2 are connected end to form a square shape, outer mold support connecting seats 202 are fixedly arranged on two sides of the outer part of each outer mold panel 201, a hinged outer mold adjustable support 11 is arranged on each outer mold support connecting seat 202, and the outer mold adjustable supports 11 obliquely support the outer mold panels 201;
the outer mold adjustable support 11 and the bottom of the outer mold panel 201 are provided with outer mold lifting tops 203, and the outer mold lifting tops 203 abut against the ground. With the structure, the outer formwork panels 201 are fixedly connected through bolts, and after the outer formwork 2 is installed on the supporting bottom plate 102, the outer formwork adjustable supports 11 and the outer formwork lifting tops 203 need to be adjusted, so that the outer formwork 2 is ensured to be vertical, and meanwhile, the stability of the outer formwork 2 is ensured.
In a preferable scheme, an inner mold support connecting seat 305 and an inner mold oil cylinder connecting seat 304 are fixedly arranged inside the inner mold panel 301 and the rotating mold plate 302, a plurality of sleeve connecting plates 303 are arranged inside the inner mold panel 301, and the sleeve connecting plates 303 are aligned with the upright posts 6;
one end of the second hydraulic cylinder 10 is hinged on the upright post 6, and the other end is hinged on the inner die oil cylinder connecting seat 304;
the end of the sliding rod 604 is fixed to the bushing plate 303. With the structure, the second hydraulic cylinder 10 can push the inner mold panel 301 to move, and the sliding rod 604 abuts against the sleeve 603 to slide, so that the inner mold panel 301 can move more stably and reliably.
In a preferred scheme, the ends of the rotating templates 302 in the two half molds are provided with bevel openings, and the bevel openings are mutually abutted and matched;
the rotating platens 302 in both mold halves rotate in sequence, with the rotating platens 302 with their bevel facing outward rotating first when rotating inward, and vice versa, with the rotating platens 302 with their bevel facing inward rotating first when rotating outward. With this structure, after the inner mold plate 301 is rotated inward and contracted, the inner mold plate can be relatively moved and contracted. After the inner die plate 301 is unfolded by rotating outwards, the inner die plate can be relatively moved to abut against the bottom die plate 1.
In the preferred scheme, a bracket beam assembly 401 in the bracket 4 is abutted against the ground through a pad beam, a connecting seat plate 402 is fixedly arranged on the bracket beam assembly 401, and the bottom of the upright 6 is fixed on the connecting seat plate 402. With this structure, the bottom of the column 6 is fixed to the connection base plate 402 by bolts.
In a preferred scheme, a plurality of upright post supporting and connecting seats 602 are fixedly arranged on the periphery of the top of an upright post center rod 601 in an upright post 6, and the upright post supporting and connecting seats 602 are connected with an internal mold supporting and connecting seat 305 through an internal mold adjustable support 9;
two sides of the upright post center rod 601 are fixedly provided with upright post cylinder connecting seats 606, and the upright post cylinder connecting seats 606 are connected with the internal mold cylinder connecting seats 304 through second hydraulic cylinders 10;
the bottom of the upright center rod 601 is fixedly provided with an upright connecting plate 607, and the upright connecting plate 607 is fixedly connected with the connecting seat plate 402 through a bolt.
A ladder stand 605 is axially arranged at one side of the upright post center rod 601. With the structure, after the rotary template 302 and the inner mold panel 301 are unfolded, the rotary template 302 and the inner mold panel 301 can be fixedly connected with the upright post 6 through the inner mold adjustable support 9, so that the stability of the rotary template and the inner mold panel in use is ensured. The second hydraulic cylinder 10 can push the inner mold panel 301 to move. The ladder 605 on one side of the center pole 601 of the upright is convenient for people to get in and out of the bottom.
In a preferred scheme, two upright posts 6 are arranged in the inner formwork 3, the two upright posts 6 are fixed on two sides of the top of the bracket 4, and two sides of the two upright posts 6 are connected with the inner formwork panel 301 through a sleeve 603, a sliding rod 604 and a second hydraulic cylinder 10. By the structure, when the size of the prefabricated box culvert is too large, the second hydraulic cylinder 10 and the inner mold adjustable support 9 can be added by increasing the upright post 6, so that the inner template 3 suitable for the prefabricated box culvert of all sizes is achieved.
In the preferred scheme, an operation platform 5 is fixedly arranged around the top of the outer template 2, a protective guard is fixedly arranged on the periphery of the operation platform 5, and a movable step 7 is arranged on one side of the operation platform 5. With the structure, the worker can move the step ladder 7 to the operating platform 5 for operation, which is more convenient and safer.
The adjustable support structure comprises a bidirectional screw rod and two threaded ends at two ends, and the two threaded ends can be driven to move relatively by rotating the bidirectional screw rod, so that the distance is adjusted, and the two ends can be supported by pushing.
Example 2
As shown in fig. 1 to 13, the following are further illustrated in conjunction with example 1: template installation: installing a pad beam 12 according to the design size, leveling and fixing the pad beam with the ground; installing a bottom template 1 on a pad beam 12, and welding the bottom template 1 and the pad beam 12 after leveling; mounting a bracket 4, wherein the bracket 4 is abutted against the pad beam 12, and a stand column 6 is mounted on the bracket 4; installing an inner template 3, adjusting the periphery of the inner template 3 to abut against the bottom template 1, and connecting the inner template 3 with the upright post 6 through an inner mold adjustable support 9, a second hydraulic cylinder 10 and a first hydraulic cylinder 8; the hoisting reinforcement cage is sleeved on the inner formwork 3, bound and fastened, the outer formwork 2 is installed, and fixed through bolts, and the outer formwork adjustable supports 11 are sequentially installed to perform diagonal bracing on the outer formwork 2; the top and the bottom of the inner template 3 and the outer template 2 are connected through a plurality of pull rods; an operation platform 5 is arranged on the top of the outer template 2, and a movable step 7 and a protective railing are fixed on the operation platform 5.
The template is dismantled, the order is opposite with the installation, adhere to the principle of "from inside to outside, from top to bottom", the concrete step is as follows: firstly, dismantling the counter pull rod and the inner mold adjustable support 9 on the inner and outer mold plates, starting a hydraulic pump station, and dismantling a hydraulic cylinder; then the inner template 3 and the upright post 6 are dismantled, after the dismantling is finished, the movable step ladder 7 is removed, and the operating platform 5, the outer mold adjustable support 11 and the outer template 2 are dismantled in sequence; and (3) transferring the prefabricated box culvert to a storage place by using hoisting equipment, and sequentially removing the bracket 4, the bottom formwork 1 and the pad beam 12.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of this invention.
Claims (10)
1. Prefabricated box culvert hydraulic drive template based on center pillar location, characterized by: the die comprises a bottom template (1), wherein an outer template (2) is arranged on the outer side of the bottom template (1), an inner template (3) is arranged on the inner side of the bottom template, the inner template (3) consists of two half modules, an inner template panel (301) in the two half modules can move relatively, rotating templates (302) are arranged at two ends of the inner template panel (301), a plurality of pull rods are arranged between the top and the bottom of the outer template (2) and the inner template (3), and the pull rods are connected with the outer template (2) and the inner template (3);
the bottom of the inner formwork (3) is provided with a bracket (4), an upright post (6) is fixedly arranged on the bracket (4), a plurality of sleeves (603) are fixedly arranged on two sides of the upright post (6), a sliding rod (604) is arranged in each sleeve (603), the end part of each sliding rod (604) is fixed on the inner formwork panel (301), a second hydraulic cylinder (10) is arranged between the upright post (6) and the inner formwork panel (301), and a plurality of inner formwork adjustable supports (9) are arranged between the upright post (6) and the inner formwork panel (301) and between the rotating formwork (302).
2. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: a plurality of bottom die panels (101) in the bottom die plate (1) are connected end to form a square shape, the bottoms of the bottom die panels (101) are abutted to the ground through the cushion beams (12), a plurality of support bottom plates (102) are arranged on the outer sides of the bottom die panels (101), and the bottoms of the outer die plates (2) are abutted to the support bottom plates (102).
3. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: a plurality of outer mold panels (201) in the outer mold plate (2) are connected end to form a square shape, outer mold support connecting seats (202) are fixedly arranged on two sides of the outer part of each outer mold panel (201), hinged outer mold adjustable supports (11) are arranged on the outer mold support connecting seats (202), and the outer mold adjustable supports (11) obliquely support the outer mold panels (201);
the outer mold lifting top (203) is arranged at the bottom of the outer mold adjustable support (11) and the outer mold panel (201), and the outer mold lifting top (203) is abutted against the ground.
4. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: an inner mold support connecting seat (305) and an inner mold oil cylinder connecting seat (304) are fixedly arranged inside the inner mold panel (301) and the rotating template (302), a plurality of bushing plates (303) are arranged inside the inner mold panel (301), and the bushing plates (303) are aligned with the upright posts (6);
one end of the second hydraulic cylinder (10) is hinged on the upright post (6), and the other end is hinged on the inner die oil cylinder connecting seat (304);
the end of the sliding rod (604) is fixed on the sleeve connecting plate (303).
5. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: the end parts of the rotating templates (302) in the two half moulds are bevel mouths which are mutually abutted and matched;
the rotating templates (302) in the two half moulds rotate in sequence, when the rotating templates (302) rotate inwards, the rotating templates (302) with the outwards-facing inclined openings rotate firstly, and when the rotating templates (302) rotate outwards, the rotating templates (302) with the inwards-facing inclined openings rotate firstly.
6. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: a bracket beam assembly (401) in the bracket (4) is abutted against the ground through a pad beam, a connecting seat plate (402) is fixedly arranged on the bracket beam assembly (401), and the bottom of the upright post (6) is fixed on the connecting seat plate (402).
7. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: a plurality of upright post supporting and connecting seats (602) are fixedly arranged on the periphery of the top of an upright post center rod (601) in the upright post (6), and the upright post supporting and connecting seats (602) are connected with an internal mold supporting and connecting seat (305) through an internal mold adjustable support (9);
two sides of the upright post center rod (601) are fixedly provided with upright post oil cylinder connecting seats (606), and the upright post oil cylinder connecting seats (606) are connected with the internal mold oil cylinder connecting seats (304) through second hydraulic cylinders (10);
a column connecting plate (607) is fixedly arranged at the bottom of the column center rod (601), and the column connecting plate (607) is fixedly connected with the connecting seat plate (402) through a bolt;
a crawling ladder (605) is axially arranged on one side of the central rod (601) of the upright post.
8. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: two upright columns (6) in the inner template (3) are fixed on two sides of the top of the bracket (4), and two sides of the two upright columns (6) are connected with the inner template panel (301) through sleeves (603), sliding rods (604) and second hydraulic cylinders (10).
9. The prefabricated box culvert hydraulic drive template based on center pillar positioning as claimed in claim 1, wherein: an operating platform (5) is fixedly arranged around the top of the outer template (2), a protective guard is fixedly arranged on the periphery of the operating platform (5), and a movable step ladder (7) is arranged on one side of the operating platform (5).
10. The use method of the center pillar positioning-based hydraulic driving template for the prefabricated box culvert according to any one of claims 1 to 9, which comprises the following steps: s1, installing a pad beam (12) according to a design size, leveling and fixing the pad beam with the ground;
s2, installing a bottom template (1) on the pad beam (12), and welding the bottom template (1) and the pad beam (12) after leveling;
s3, installing a bracket (4), wherein the bracket (4) is abutted against the pad beam (12), and the bracket (4) is provided with an upright post (6);
s4, installing an inner template (3), adjusting the periphery of the inner template (3) to abut against the bottom template (1), and connecting the inner template (3) with the upright post (6) through an inner mold adjustable support (9), a second hydraulic cylinder (10) and a first hydraulic cylinder (8);
s5, hoisting a reinforcement cage to be sleeved on the inner formwork (3), binding and fastening, installing the outer formwork (2), fixing through bolts, and sequentially installing outer formwork adjustable supports (11) to perform inclined bracing on the outer formwork (2);
s6, connecting the top and the bottom of the inner template (3) and the outer template (2) through a plurality of pull rods;
s7, installing an operating platform (5) on the top of the outer template (2), and fixing the movable step ladder (7) and the protective barrier on the operating platform (5).
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| CN202211068297.6A CN115284417A (en) | 2022-08-31 | 2022-08-31 | Prefabricated box culvert hydraulic driving template based on center column positioning and use method |
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| CN202211068297.6A CN115284417A (en) | 2022-08-31 | 2022-08-31 | Prefabricated box culvert hydraulic driving template based on center column positioning and use method |
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