CN111571775A - Assembled hollow pier body and construction device and construction method thereof - Google Patents

Assembled hollow pier body and construction device and construction method thereof Download PDF

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Publication number
CN111571775A
CN111571775A CN202010362167.8A CN202010362167A CN111571775A CN 111571775 A CN111571775 A CN 111571775A CN 202010362167 A CN202010362167 A CN 202010362167A CN 111571775 A CN111571775 A CN 111571775A
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CN
China
Prior art keywords
assembly
pier body
hollow
mold
positioning frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010362167.8A
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Chinese (zh)
Inventor
张红乾
潘相辉
崔文凯
张崇斌
殷晓波
王俊涛
孙辉
薛鸿禧
张东林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Civil Engineering Co Ltd of CREC
Seventh Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Original Assignee
Shanghai Civil Engineering Co Ltd of CREC
Seventh Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Civil Engineering Co Ltd of CREC, Seventh Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC filed Critical Shanghai Civil Engineering Co Ltd of CREC
Priority to CN202010362167.8A priority Critical patent/CN111571775A/en
Publication of CN111571775A publication Critical patent/CN111571775A/en
Pending legal-status Critical Current

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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
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04—Discharging the shaped articles
    • 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
    • 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
    • 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
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • 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
    • B28B7/28—Cores; Mandrels
    • B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention is suitable for the technical field of bridge members and provides an assembled hollow pier body and a construction device and a construction method thereof. The construction device comprises an inner die assembly and an outer die assembly; the die-entering temporary guide mechanism is used for enabling the inner die assembly to slide into the hollow cage to be poured; the first positioning frame is used for fixing the inner mold assembly at the center of the hollow cage to be poured so as to form a primary prefabricated part; the second positioning frame is used for fixing the outer mold assembly outside the hollow cage to be poured so as to form an integral prefabricated part; and the overturning assembly is used for overturning the integral prefabricated member. The construction device and the construction method thereof improve the production efficiency of the hollow pier body, reduce the construction cost, save the building materials, reduce the flying dust, protect the environment, realize the green construction of the bridge and promote the transformation and upgrading of the traditional industry of enterprises.

Description

Assembled hollow pier body and construction device and construction method thereof
Technical Field
The invention belongs to the technical field of bridge members, and particularly relates to an assembled hollow pier body, and a construction device and a construction method thereof.
Background
The hollow pier body is a pier which is made of concrete or reinforced concrete into a hollow thin-wall structure and the like, so that masonry materials can be saved, and the weight can be reduced.
The traditional formwork construction mode needs to assemble the formwork at the actual installation position of the hollow pier body, the formwork is assembled in three layers, and concrete pouring construction is respectively carried out after the assembly of each layer of formwork is completed. The traditional construction mode has the problems that the internal mold is not easy to remove, the quality problem is prominent, the environmental pollution is serious, the construction period is long, the labor demand is high, and the construction progress is seriously influenced.
Disclosure of Invention
The embodiment of the invention aims to provide an assembled hollow pier body, a construction device and a construction method thereof, and aims to solve the problems that an internal mold is not easy to remove, the quality problem is prominent, the environmental pollution is serious, the construction period is long, the labor demand is high, and the construction progress is seriously influenced in the traditional hollow pier body construction mode.
The embodiment of the invention is realized in such a way that the construction device of the assembled hollow pier body comprises an internal mold component and an external mold component, and the construction device also comprises:
the die-entering temporary guide mechanism is used for enabling the inner die assembly to slide into the hollow cage to be poured;
the first positioning frame is used for fixing the inner mold assembly at the center of the hollow cage to be poured so as to form a primary prefabricated part; the first positioning frame is detachably connected with the inner die assembly;
the second positioning frame is used for enabling the outer die assembly to be wrapped and fixed outside the hollow cage to be poured so as to form an integral prefabricated part, and a pouring space is formed between the inner die assembly and the outer die assembly; the second positioning frame is detachably connected with the outer mold assembly;
and the overturning assembly is used for overturning the integral prefabricated member.
Preferably, the inner die assembly comprises:
a plurality of sets of inner template segments; the inner template segment is in a semi-cylindrical shape; each group of inner template sections comprises two inner template sections which are matched and are cylindrical; the multiple groups of inner template sections are connected to form an inner template;
the internal shrinkage demoulding component is used for separating the internal template from the poured hollow pier body; the inner contracting demoulding component is arranged in the inner template.
Preferably, the internal shrinkage demoulding component consists of a plurality of groups of telescopic screws; one end of the telescopic screw rod is connected with the inner template segment.
Preferably, the outer die assembly comprises:
two matched external templates; and the two outer templates are both in a semi-cylindrical shape.
Preferably, the temporary mold-entering guide mechanism includes:
entering a mold temporary guide assembly; the mould entering temporary guide assembly is detachably arranged at one end of the inner mould assembly;
and the inner mold guide wheel set is used for enabling the mold-entering temporary guide assembly to slide on the inner mold guide wheel set so as to enable the inner mold assembly to slide into the hollow cage to be poured.
Preferably, the flipping assembly comprises:
a roll-over stand; the turnover frame is detachably connected with the first positioning frame;
and the crane is used for enabling the integral prefabricated member to be turned over from a horizontal state to a vertical state on the turning frame.
Preferably, the roll-over stand comprises:
a fixing member; the fixing piece is fixedly arranged on the horizontal ground;
a movable member; the movable piece is hinged on the fixed piece;
the connecting piece is used for limiting the movable piece to be turned over from a state of being horizontal to the surface of the fixed piece to a state of being vertical to the surface of the fixed piece; the connecting piece is connected with the fixed piece and the implementation moving piece;
the limiting block is used for limiting the movable piece to be turned over from a state of being vertical to the surface of the fixed piece to a state of being horizontal to the surface of the fixed piece; the limiting block is arranged on the fixing piece.
A construction method of an assembly type hollow pier body construction device comprises the following steps:
the temporary mold-entering guide mechanism is detachably arranged on the inner mold assembly and/or the hollow cage to be poured;
sliding the inner mold assembly into the hollow cage to be poured through the mold-entering temporary guide mechanism;
removing the temporary mold-entering guide mechanism;
detachably mounting the first positioning frame on the inner mold assembly and one end of the hollow cage to be poured to form a primary prefabricated member;
detachably wrapping and installing the outer die assembly outside the preliminary prefabricated part, detachably installing the second positioning frame at one end, far away from the first positioning frame, of the preliminary prefabricated part and one end, far away from the first positioning frame, of the outer die assembly to fix the outer die assembly and form an integral prefabricated part, and meanwhile, forming a pouring space between the inner die assembly and the outer die assembly;
turning the integral prefabricated part from a horizontal state to a vertical state through the turning frame, and removing the first positioning frame;
and pouring concrete into the pouring space, and after the concrete is solidified, removing the second positioning frame, the outer mold assembly and the inner mold assembly to obtain the hollow pier body.
A hollow pier body is obtained by utilizing an assembly type hollow pier body construction device and a construction method thereof.
Preferably, the diameter of the hollow pier body is not less than 2 m.
According to the assembled hollow pier body, the construction device and the construction method thereof, the detachable inner mold assembly, the detachable outer mold assembly, the first positioning frame, the second positioning frame and the detachable overturning assembly are arranged, so that the production of the hollow pier body can be transferred to a closed workshop from in-situ pouring, the production efficiency of the hollow pier body is improved, the construction cost is reduced, the building materials are saved, the raised dust is reduced, the environment is protected, the green construction of a bridge can be realized, and the transformation and upgrading of the traditional industry of enterprises are promoted.
Drawings
Fig. 1 is a schematic structural diagram of an inner mold assembly of an assembled hollow pier shaft construction device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an outer mold assembly of the assembled hollow pier shaft construction device according to the embodiment of the present invention;
fig. 3 is a schematic structural view of an overturning assembly of the assembly type hollow pier body construction device according to the embodiment of the invention;
fig. 4 is a schematic structural view of a roll-over stand of the assembly type hollow pier body construction device according to the embodiment of the invention;
fig. 5 is a flowchart illustrating steps of a construction method of the assembly type hollow pier body construction device according to an embodiment of the present invention.
In the drawings: 1. a hollow cage placing pedestal; 2. entering a mold temporary guide assembly; 3. the inner mold is assembled to place the table; 4. an inner template segment; 5. a hollow cage; 6. an internal shrinkage demoulding component; 8. an inner mold guide wheel set; 9. a first positioning frame; 10. a hanger; 11. an outer template; 12. an outer mold table; 14. a second positioning frame; 15. a roll-over stand; 151. a movable member; 152. a fixing member; 153. a connecting member; 154. a limiting block; 16. hoisting a machine; 17. pouring a platform; 18. a working platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 and 2, a schematic structural diagram of an assembled hollow pier shaft construction device provided for an embodiment of the present invention includes an inner mold assembly and an outer mold assembly, and the construction device further includes:
the mold-entering temporary guide mechanism is used for enabling the inner mold assembly to slide into the hollow cage 5 to be poured;
the first positioning frame 9 is used for fixing the inner mold assembly at the central position of the hollow cage 5 to be poured so as to form a primary prefabricated member; the first positioning frame 9 is detachably connected with the inner die assembly;
the second positioning frame 14 is used for enabling the outer mold assembly to be wrapped and fixed outside the hollow cage 5 to be poured so as to form an integral prefabricated part, and a pouring space is formed between the inner mold assembly and the outer mold assembly; the second positioning frame 14 is detachably connected with the outer mold assembly;
and the overturning assembly is used for overturning the integral prefabricated member.
In practical application, the hollow cage 5 can be made by binding or welding steel bars. The mold-entering temporary guide mechanism is firstly installed on the inner mold assembly and the hollow cage 5 placement platform, the inner mold assembly slides into the hollow cage 5 to be poured through the mold-entering temporary guide mechanism under the traction action of a winch or other external force, and the mold-entering temporary guide mechanism is removed after the sliding is finished; then, mounting a first positioning frame 9 at one end of the inner mold assembly and one end of the hollow cage 5 to be poured, so that the inner mold assembly is fixed at the central position of the hollow cage 5 to be poured, and then obtaining a primary prefabricated member; then, wrapping an outer mold assembly outside the hollow cage 5 to be poured, and fixing the outer mold assembly through a second positioning frame 14 to obtain an integral prefabricated part, wherein a pouring space is formed between the inner mold assembly and the outer mold assembly; then, connecting the first positioning frame 9 with a turnover assembly, and turning the whole prefabricated member from a horizontal state to a vertical state through the action of the turnover assembly; and (3) removing the first positioning frame 9, and pouring concrete into the pouring space to obtain the hollow pier body.
As shown in fig. 1, as a preferred embodiment of the present invention, the inner mold assembly includes:
a plurality of sets of inner formwork segments 4; the inner template segment 4 is in a semi-cylindrical shape; each group of inner template sections 4 comprises two inner template sections 4 which are matched and are cylindrical; the multiple groups of inner template sections 4 are connected to form an inner template;
the internal shrinkage demoulding component 6 is used for separating the internal template from the poured hollow pier body; the inner contracting demoulding assembly 6 is arranged in the inner mould plate.
Specifically, the inner formworks segment 4 is prefabricated in a factory in advance, bolt holes are formed in the inner formworks segment 4, and the inner formworks segment can be detachably connected through the bolts. The inner formwork sections 4 are firstly assembled at the inner formwork assembling and placing table positions 3 to form an inner formwork, and then the inner shrinkage demoulding assembly 6 is installed in the inner formwork.
As a preferred embodiment of the present invention, the retraction stripper assembly 6 is composed of a plurality of sets of telescopic screws; one end of the telescopic screw is connected with the inner template section 4.
Specifically, the other end of the telescopic screw is connected with the motor. When the demoulding is needed, the motor is electrified to enable the telescopic screw rod to contract, so that the inner template section 4 is driven to be separated from the hollow pier body, and when the demoulding is more than 4cm, the inner template assembly is pulled by the winch, so that the demoulding of the inner template assembly is completed at one time.
As shown in fig. 2, as a preferred embodiment of the present invention, the outer mold assembly comprises:
two matched external templates 11; the two outer formworks 11 are both in a semi-cylindrical shape.
Specifically, when the two outer formworks 11 are wrapped and fixed outside the hollow cage 5 to be poured, the two outer formworks should be matched with each other as much as possible so as to avoid the poured concrete from overflowing between the outer formworks; one of the external formworks 11 is firstly installed on an external formwork table 12, and the other external formwork 11 is hung on the hollow cage 5 to be poured through a hanging bracket 10.
As shown in fig. 1, as a preferred embodiment of the present invention, the mold-entering temporary guide mechanism includes:
a mould entering temporary guide assembly 2; the mould entering temporary guide assembly 2 is detachably arranged at one end of the inner mould assembly;
and the inner mold guide wheel set 8 is used for enabling the mold-entering temporary guide assembly 2 to slide on the inner mold guide wheel set so as to enable the inner mold assembly to slide into the hollow cage 5 to be poured.
Specifically, centre form direction wheelset 8 is installed on hollow cage 5 place the platform, goes into the interim guide assembly of mould 2 and mutually supports with centre form direction wheelset 8, draws the centre form subassembly to slide in the hollow cage 5 of treating pouring under the effect of external forces such as hoist engine.
As shown in fig. 3, as a preferred embodiment of the present invention, the flipping unit includes:
a roll-over stand 15; the roll-over stand 15 is detachably connected with the first positioning stand 9;
a crane 16 for turning the integral prefabricated member from a horizontal state to a vertical state on the turning frame 15.
Specifically, the crane 16 may be a gantry crane, the roll-over stand 15 is first connected to the first positioning frame 9 on the integral prefabricated member, and then the crane 16 pulls the integral prefabricated member from the position of the second positioning frame 14, so that the integral prefabricated member is turned from the horizontal state to the vertical state.
As shown in fig. 4, as a preferred embodiment of the present invention, the roll-over stand 15 includes:
a fixing member 152; the fixing member 152 is fixedly arranged on the horizontal ground;
a movable member 151; the movable element 151 is hinged to the fixed element 152;
a connecting member 153 for limiting the movable member 151 from being turned only from a state of being horizontal to the surface of the fixed member 152 to a state of being vertical to the surface of the fixed member 152; the connecting member 153 is connected to the fixed member 152 and the movable member 151;
a limiting block 154 for limiting the movable element 151 to be turned from a state perpendicular to the surface of the fixed element 152 to a state horizontal to the surface of the fixed element 152; the stopper 154 is disposed on the fixing member 152.
Specifically, the article to be flipped is connected to the movable element 151, and when the article needs to be flipped from horizontal to vertical, the movable element 151 is flipped from a state of being horizontal to the surface of the fixed element 152 to a state of being vertical to the surface of the fixed element 152, so that the article connected to the movable element 151 is flipped over from the vertical state to the horizontal state.
As shown in fig. 5, an embodiment of the present invention further provides a construction method of an assembly type hollow pier shaft construction device, the method comprising the steps of:
s001, connecting the inner template sections 4 on the inner template assembling and placing table 3 by using bolts to form an inner template, installing an inner contracting and demoulding assembly 6 in the inner template, and installing the mould entering temporary guide assembly 2 at one end of the inner template;
s002, placing the hollow cage to be poured on the hollow cage placing pedestal 1 provided with the inner mold guide wheel set 8, and adjusting the axis and elevation parameters of the inner mold assembling placing table position 3 and the hollow cage placing pedestal 1;
s003, pulling the inner template into the hollow cage 5 to be poured by adopting a winch or other external force traction devices, adjusting the relative position size of the inner template and the hollow cage 5 to be poured, and removing the in-mold temporary guide assembly 2 and the inner mold guide wheel set 8;
s004, mounting the first positioning frame 9 at one end of the hollow cage 5 to be poured, and connecting the inner template with the bolt of the first positioning frame 9 to form a primary prefabricated part;
s005, hoisting the preliminary prefabricated part to an outer mold bench 12 provided with an outer mold plate 11 by using a hoisting frame 10;
s006, connecting the hollow cage 5 to be poured with the bolts of the outer template 11, and installing another outer template 11 and a second positioning frame 14 on the hollow cage 5 to be poured to form an integral prefabricated part;
s007, installing a turning frame 15 at one end, close to a first positioning frame 9, of a hollow cage 5 to be poured, and turning the whole prefabricated part from a horizontal state to a vertical state by using a gantry crane and the turning frame 15;
s008, removing the roll-over stand 15 and the first positioning stand 9, hoisting the integral prefabricated member with the first positioning stand 9 removed to a pouring station 17 by using a crane 16, and installing a working platform 18 on the top of the integral prefabricated member with the first positioning stand 9 removed;
s009, checking the size of the integral prefabricated part with the first positioning frame 9 removed, and pouring concrete to form a hollow pier body;
s010, after the hollow pier body reaches the demolding strength, removing the second positioning frame 14 and the two outer templates 11;
and S011, turning the demolded hollow pier body from a vertical state to a horizontal state by using the turning frame 15 and the crane 16, starting the internal shrinkage demolding assembly 6 by electrifying, and when the demolding of the internal template is over 4cm, pulling the internal template and the internal shrinkage demolding assembly 6 by using the winch to finish demolding once to obtain the hollow pier body.
The embodiment of the invention also provides a hollow pier body produced by adopting the assembly type hollow pier body construction device and the construction method thereof.
As a preferred embodiment of the invention, the diameter of the hollow pier body is more than 2 m.
In summary, the embodiments of the present invention first provide a construction apparatus for an assembled hollow pier body, then provide a construction method for the construction apparatus for the assembled hollow pier body, and finally provide a hollow pier body produced by the construction apparatus for the assembled hollow pier body and the construction method thereof. The original in-situ cast hollow pier body is moved into a closed factory for production, all production processes (mainly comprising inner mold installation, integral hoisting of a reinforcement framework, outer mold installation and fixation, integral overturning, concrete pouring, inner and outer mold removal, component maintenance, component moving and the like) of the hollow pier body are integrated in a factory building, and all work is finished until the hollow pier body is produced; the problems that the hollow pier body is difficult to cast in situ on site or prefabricated by a traditional process, the inner mold is not easy to remove, the quality problem is outstanding, the environmental pollution is serious, the construction period is long, and the labor demand is high are solved, the production efficiency of the hollow pier body is improved, the construction cost is reduced, the building materials are saved, the raise dust is reduced, the environment is protected, the green construction of a bridge can be realized, and the transformation and upgrading of the traditional industry of an enterprise are promoted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a construction equipment of hollow pier shaft of assembled, includes centre form subassembly and external mold subassembly, its characterized in that, construction equipment still includes:
the die-entering temporary guide mechanism is used for enabling the inner die assembly to slide into the hollow cage to be poured;
the first positioning frame is used for fixing the inner mold assembly at the center of the hollow cage to be poured so as to form a primary prefabricated part; the first positioning frame is detachably connected with the inner die assembly;
the second positioning frame is used for enabling the outer die assembly to be wrapped and fixed outside the hollow cage to be poured so as to form an integral prefabricated part, and a pouring space is formed between the inner die assembly and the outer die assembly; the second positioning frame is detachably connected with the outer mold assembly;
and the overturning assembly is used for overturning the integral prefabricated member.
2. The construction equipment of the fabricated hollow pier body according to claim 1, wherein the inner mold assembly comprises:
a plurality of sets of inner template segments; the inner template segment is in a semi-cylindrical shape; each group of inner template sections comprises two inner template sections which are matched and are cylindrical; the multiple groups of inner template sections are connected to form an inner template;
the internal shrinkage demoulding component is used for separating the internal template from the poured hollow pier body; the inner contracting demoulding component is arranged in the inner template.
3. The construction device of the assembled hollow pier body according to claim 2, wherein the internal shrinkage demoulding component consists of a plurality of groups of telescopic screws; one end of the telescopic screw rod is connected with the inner template segment.
4. The construction equipment of the fabricated hollow pier body according to claim 1, wherein the external mold assembly comprises:
two matched external templates; and the two outer templates are both in a semi-cylindrical shape.
5. The apparatus for constructing an assembled hollow pier body according to claim 1, wherein the temporary guide mechanism for entering the mold comprises:
entering a mold temporary guide assembly; the mould entering temporary guide assembly is detachably arranged at one end of the inner mould assembly;
and the inner mold guide wheel set is used for enabling the mold-entering temporary guide assembly to slide along the inner mold guide wheel set so as to enable the inner mold assembly to slide into the hollow cage to be poured.
6. The apparatus for constructing an assembled hollow pier body according to claim 1, wherein the turning assembly comprises:
a roll-over stand; the turnover frame is detachably connected with the first positioning frame;
and the crane is used for enabling the integral prefabricated member to be turned over from a horizontal state to a vertical state on the turning frame.
7. The construction equipment of the fabricated hollow pier body according to claim 6, wherein the roll-over stand comprises:
a fixing member; the fixing piece is fixedly arranged on the horizontal ground;
a movable member; the movable piece is hinged on the fixed piece;
the connecting piece is used for limiting the movable piece to be turned over from a state of being horizontal to the surface of the fixed piece to a state of being vertical to the surface of the fixed piece; the connecting piece is connected with the fixed piece and the implementation moving piece;
the limiting block is used for limiting the movable piece to be turned over from a state of being vertical to the surface of the fixed piece to a state of being horizontal to the surface of the fixed piece; the limiting block is arranged on the fixing piece.
8. A construction method of a hollow pier body, characterized in that the construction method is carried out by using the construction device of the fabricated hollow pier body according to any one of claims 1 to 7, and comprises the following steps:
the temporary mold-entering guide mechanism is detachably arranged on the inner mold assembly and/or the hollow cage to be poured;
sliding the inner mold assembly into the hollow cage to be poured through the mold-entering temporary guide mechanism;
removing the temporary mold-entering guide mechanism;
detachably mounting the first positioning frame on the inner mold assembly and one end of the hollow cage to be poured to form a primary prefabricated member;
detachably wrapping and installing the outer die assembly outside the preliminary prefabricated part, detachably installing the second positioning frame at one end, far away from the first positioning frame, of the preliminary prefabricated part and one end, far away from the first positioning frame, of the outer die assembly to fix the outer die assembly and form an integral prefabricated part, and meanwhile, forming a pouring space between the inner die assembly and the outer die assembly;
turning the integral prefabricated part from a horizontal state to a vertical state through the turning frame, and removing the first positioning frame;
and pouring concrete into the pouring space, and after the concrete is solidified, removing the second positioning frame, the outer mold assembly and the inner mold assembly to obtain the hollow pier body.
9. A hollow pier body obtained by the method according to claim 8.
10. The hollow pier body according to claim 9, wherein the diameter of the hollow pier body is not less than 2 m.
CN202010362167.8A 2020-04-30 2020-04-30 Assembled hollow pier body and construction device and construction method thereof Pending CN111571775A (en)

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Application publication date: 20200825