CN109930629B - Prefabricated assembled concrete inspection shaft pouring template - Google Patents
Prefabricated assembled concrete inspection shaft pouring template Download PDFInfo
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- CN109930629B CN109930629B CN201910246328.4A CN201910246328A CN109930629B CN 109930629 B CN109930629 B CN 109930629B CN 201910246328 A CN201910246328 A CN 201910246328A CN 109930629 B CN109930629 B CN 109930629B
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- 238000007689 inspection Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 6
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a prefabricated concrete inspection well pouring template, which comprises a supporting mechanism, wherein the supporting mechanism comprises a base; an outer mold tube; an inner mold tube; the plugging plate is arranged at a gap between the outer die pipe and the inner die pipe and is assembled and connected to the inner wall of the outer die pipe; the base, the outer mold pipe, the inner mold pipe and the plugging plate jointly form a mold main body, the mold main body is used for integrally forming a bottom plate and a well chamber, the base is used for pouring the forming bottom plate, the outer mold pipe and the inner mold pipe are used for pouring the forming well chamber, and the plugging plate is used for opening a water through hole of the well chamber; the prefabricated concrete inspection well pouring template base plate and the well chamber are integrally prefabricated at one time, so that the leakage problem can be effectively solved, and the integrity and rigidity of the well chamber can be greatly improved.
Description
Technical Field
The invention relates to a prefabricated concrete inspection well pouring template, and belongs to the technical field of concrete.
Background
The prefabricated assembled concrete inspection well mainly comprises a well cover, a well chamber and a bottom plate, and an adjusting ring can be added in the later stage if the height of the well chamber needs to be changed; when the well chamber is processed, the core mould vibrator is mainly used for driving the concrete to vibrate and form in the mould.
The bottom plate and the well chamber of the existing prefabricated concrete inspection well are prefabricated independently, when the prefabricated concrete inspection well is constructed, the bottom plate and the well chamber are required to be matched and installed, the operation is laborious, the sealing performance of the joint of the bottom plate and the well chamber is poor, and leakage is easy to occur.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a prefabricated concrete inspection well pouring template, which has the following specific technical scheme:
the prefabricated assembled concrete inspection well pouring template comprises a supporting mechanism, wherein the supporting mechanism comprises a base, the base is formed by assembling a first supporting seat and a second supporting seat which are identical in structure and are oppositely arranged, the inside of the base is of a cavity structure, and the surface of the base is provided with a feed inlet and the bottom surface is closed; the outer die pipe is assembled on the top surface of the base and is arranged at the outer edge of the feed inlet; the inner mold pipes are arranged at the inner central line of the outer mold pipe at intervals, and the bottom ends of the inner mold pipes are flush with the bottom ends of the outer mold pipes; the gap between the inner die pipe and the outer die pipe is communicated with the inside of the base; the plugging plate is arranged at a gap between the outer die pipe and the inner die pipe and is assembled and connected to the inner wall of the outer die pipe; the base, outer die pipe the centre form pipe with the shutoff board constitutes the mould main part jointly, and the mould main part is used for integrated into one piece bottom plate and well room, the base is used for pouring the shaping bottom plate, outer die pipe the centre form pipe is used for pouring the shaping well room, the shutoff board is used for opening the limbers of well room.
As an improvement of the technical scheme, the first supporting seat and the second supporting seat are semicircular, mounting plates are vertically arranged on two side walls of the first supporting seat and the second supporting seat, and the mounting plates are fixed through screws.
As an improvement of the technical scheme, the surface of the base is provided with the mounting holes distributed in an annular array, the outer wall of the surface of the base is provided with the annular matching groove, and the matching groove is positioned outside the feeding hole.
As the improvement of the technical scheme, the bottom outer wall of the outer mold pipe is provided with the limiting plates distributed in an annular array, the limiting plates are connected with the mounting holes through screws, the bottom surface of the outer mold pipe is vertically provided with the annular matching plate, the matching plate is embedded in the matching groove, the outer wall of the outer mold pipe is provided with the annular reserved holes, the reserved holes are used for fixing the plugging plates, and the top of the outer wall of the outer mold pipe is provided with the hanging plates.
As the improvement of above-mentioned technical scheme, the outer wall and the inner wall of shutoff board are cambered surface form, the shutoff board with outer mould pipe the inseparable laminating of interior mould pipe, the inside symmetry of shutoff board is opened there is the connecting hole, the connecting hole with pass through screw connection between the preformed hole.
As the improvement of the technical scheme, the top of the inner mould pipe is sleeved with the inner mould gaskets, a plurality of inner mould gaskets are mutually sleeved, and the inner mould gaskets are used for increasing the height of the inner mould pipe.
As an improvement of the technical scheme, the top of the outer die pipe is sleeved with the outer die gaskets, a plurality of outer die gaskets are sleeved with each other, and the outer die gaskets are used for increasing the height of the outer die pipe.
As the improvement of the technical scheme, the inner wall of the inner mold pipe is vertically provided with the lifting frame, the middle part of the lifting frame is provided with the lifting ring, the lifting ring and the inner mold pipe are positioned at the same central line, the lifting ring and the lifting plate are connected with the lifting mechanism, and the lifting mechanism is used for driving the inner mold pipe and the outer mold pipe to lift.
As an improvement of the technical scheme, the lifting mechanism comprises a fixed plate, a first winch and a second winch, wherein the second winch is arranged at the edge of the bottom surface of the fixed plate and is connected with the lifting plate, the first winch is arranged at the center of the fixed plate, and the first winch is connected with the lifting ring.
As an improvement of the technical scheme, the steel reinforcement framework is filled between the inner die pipe and the outer die pipe and in the base.
The invention has the beneficial effects that: the bottom plate and the well chamber can be integrally prefabricated at one time through the inner die pipe, the outer die pipe and the base, so that the leakage problem can be effectively solved, the integrity and the rigidity of the well chamber can be greatly improved, and the site construction efficiency is improved; the inner die gasket and the outer die gasket with proper numbers can be selected according to the height of the well chamber to be processed, the processing height can be freely adjusted, and the operation is simple and convenient; the reserved holes are formed in a plurality of positions, and the plugging plates can be installed at proper positions according to the positions and the number of the water outlets of the well chamber, so that the application range is wide.
Drawings
FIG. 1 is a schematic view of a prefabricated concrete manhole casting form of the present invention;
FIG. 2 is a schematic view of a supporting mechanism according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention at B;
FIG. 5 is a schematic view of the connection structure of the inner and outer mold tubes and the plugging plate according to the present invention.
Reference numerals: 1. the device comprises a supporting mechanism, 11, a base, 111, a first supporting seat, 112, a second supporting seat, 12, a feed inlet, 13, a matching groove, 14, a mounting plate, 15, a mounting hole, 2, an outer die pipe, 21, a limiting plate, 22, a hanging plate, 23, a reserved hole, 24, a matching plate, 3, an inner die pipe, 31, a lifting frame, 311, a lifting ring, 4, a plugging plate, 41, a connecting hole, 5, an inner die gasket, 6, an outer die gasket, 7, a lifting mechanism, 71, a fixing plate, 72, a first winch, 73 and a second winch.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, fig. 1 is a schematic structural view of a prefabricated concrete manhole casting formwork according to the present invention;
the supporting mechanism 1 comprises a base 11, wherein the base 11 is formed by assembling a first supporting seat 111 and a second supporting seat 112, the first supporting seat 111 and the second supporting seat 112 have the same structure, the inside of the base 11 is of a cavity structure, and the base 11 is used for pouring a bottom plate forming an inspection well;
the top of the base 11 is provided with an outer die pipe 2, the outer wall of the bottom of the outer die pipe 2 is provided with four limiting plates 21, the limiting plates 21 are triangular, and the limiting plates 21 are fixed with the base 11 through screws; the outer mold tube 2 is used as a molding outer wall of the well chamber;
the top of the outer die pipe 2 is inserted with outer die gaskets 6, the outer die gaskets 6 can be inserted with each other, the diameter of the outer die gaskets 6 is the same as that of the outer die pipe 2, and the number of the outer die gaskets 6 required can be selected according to the height of a well chamber required to be poured, so that inspection wells with various sizes can be poured by one die, and the operation is simple and convenient;
the inner center line of the outer mold pipe 2 is provided with an inner mold pipe 3, the inner mold pipe 3 and the outer mold pipe 2 are arranged at intervals, the interval distance is the wall thickness of a well chamber, the bottom end of the inner mold pipe 3 is flush with the bottom end of the outer mold pipe 2, the inner mold pipe 3 is suspended at the top of the base 11, a gap between the inner mold pipe 3 and the outer mold pipe 2 is communicated with the inside of the base 11, the well chamber can be cast and molded between the inner mold pipe 3 and the outer mold pipe 2, mortar can also flow into the base 11, and the bottom plate can be integrally molded;
the top of the inner mould pipe 3 can be sleeved with a plurality of inner mould gaskets 5, so that the processing requirements of well chambers with different heights can be met;
the gap between the inner die pipe 3 and the outer die pipe 2 is filled with a plugging plate 4, the plugging plate 4 is used for forming a water through hole of the well chamber, an installer can select a proper installation position according to the water through hole to be formed, and can also select the plugging plate 4 with a proper diameter according to the size of the water through hole, so that the processed well chamber is flexible and changeable;
the outer wall of the top of the outer die plate 2 is provided with a hanging plate 22, the hanging plate 22 is connected with a lifting mechanism 7, the lifting mechanism 7 comprises a fixed 71, a first winch 72 and a second winch 73, the second winch 73 is connected with the hanging plate 22, the second winch 73 is used for driving the outer die plate 2 to move up and down, the second winch 73 is arranged at the edge of the bottom surface of the fixed plate 71, the first winch 72 is arranged at the center of the fixed plate 71, and the first winch 72 is used for driving the inner die plate 3 to move up and down so as to realize demoulding and die assembly; the winch manufactured by Nantong Kai mechanical limited company is selected as an example, and the matched circuit and the control circuit are provided by manufacturers;
as shown in fig. 2, fig. 2 is a schematic structural view of a supporting mechanism according to the present invention;
the middle part of the surface of the base 11 is provided with a feed inlet 12 with a through hole structure, the periphery of the feed inlet 12 is provided with a matching groove 13, the matching groove 13 is arranged on the surface of the base 11, the edge of the surface of the base 11 is provided with four mounting holes 15, and the mounting holes 15 are connected with a limiting plate 21 through screw assembly;
the feed inlet 12 and the matching groove 13 are uniformly divided into two parts, the first supporting seat 111 and the second supporting seat 112 respectively account for half, and the two parts are assembled to form the complete feed inlet 12 and the matching groove 13; the two side walls of the first support seat 111 and the second support seat 112 are vertically provided with mounting plates 14, and the mounting plates 14 of the first support seat 111 and the second support seat 112 are connected through screws so as to complete the assembly of the base 11.
As shown in fig. 3, fig. 3 is an enlarged schematic view of a portion a according to the present invention;
the bottom surface of the outer mold tube 3 is vertically provided with an annular matching plate 24, and the matching plate 24 is inserted into the matching groove 13, so that the connection stability and the sealing performance can be improved;
the limiting plate 21 is connected with the mounting hole 15 through a screw.
As shown in fig. 4, fig. 4 is an enlarged schematic view of a B-site structure according to the present invention;
the outer wall of the outer mould pipe 2 is provided with a preformed hole 23, the inside of the plugging plate 4 is provided with a connecting hole 41, and when the plugging plate 4 needs to be fixed, the connecting hole 41 is only required to be aligned with the preformed hole 23 at a proper position, and then a screw is screwed from the outside.
As shown in fig. 5, fig. 5 is a schematic diagram of a connection structure of an inner mold tube, an outer mold tube and a plugging plate according to the present invention;
the inner wall and the outer wall of the plugging plate 4 are of cambered surface structures, and the cross section of the middle part of the plugging plate 4 is circular;
the reserved holes 23 are distributed in an annular array, long screws penetrate through the reserved holes 23 of the connecting plugging plate 4 and are used for extending into the connecting holes 41 to be fixed, short screws are connected to the reserved holes 23 of the non-connecting plugging plate 4 and are used for plugging unused reserved holes 23, and the long screws and the short screws are screwed into the outer die tube 2 from the outside; the distance between the preformed holes 23 is 35-55mm; thereby realizing more various mounting positions of the plugging plate 4 and more types of prepared well chambers; the problems of single position and limited application range of the traditional template reserved holes are solved;
the top of the inner part of the inner template 3 is provided with a cross lifting frame 31, the center of the lifting frame 31 is provided with a lifting ring 311, and the lifting ring 311 is connected with the first winch 72;
the inner mould pipe 3 is pulled by a second winch 73 in the vertical direction, and each plugging plate 4 carries out transverse limit on the inner mould pipe 3; the inner wall of the outer mold tube 2 is matched with the inner wall of the feed inlet 12, and the joint is a plane.
The invention is implemented in particular:
preparing assembly: a reinforcing mesh welded into a whole is arranged in the base 11; according to the position and the size of a drainage hole of a well chamber to be processed, selecting a proper reserved hole 23 and a plugging plate 4 with a proper size, wherein the plugging plate 4 is a prefabricated member which is formed independently, taking down an original short screw at a proper position, aligning a connecting hole 41 with the proper reserved hole 23, fixing the plugging plate 4 on the inner wall of an outer mold pipe 2 through a long screw, and penetrating the reserved hole 23 and extending into the connecting hole 41; the assembly of each plugging plate 4 is completed by the same method;
and (3) finishing die assembly: placing the base 11 in core mold vibration equipment, enabling the portal frame to drive the fixed plate 71 to move to the position right above the base 11, enabling the first winch 73 to hang the inner mold pipe 3, enabling the second winch 73 to hang the outer mold pipe 2, then enabling the second winch 73 to put down the outer mold plate 73, enabling the matching plate 24 to be inserted into the matching groove 13, enabling the mounting hole 15 to be aligned with the limiting plate 21, enabling workers to connect the limiting plate 21 with the mounting hole 15 through screws, and enabling the outer mold pipe 2 to be connected with the base 11; then the first winding motor 72 puts down the inner mould tube 3, the inner mould tube 3 moves downwards along the central line of the outer mould tube 2, and simultaneously, as the width of the plugging plate 4 is the same as the interval between the inner mould and the outer mould, the outer wall of the inner mould tube 3 is attached to the inner wall of the plugging plate 4, when the bottom end of the inner mould tube 3 moves to be flush with the bottom end of the outer mould tube 2, the inner mould tube 3 is suspended at the feed inlet 12 of the base 11, the inner mould tube 3 is pulled by the second winch 73 in the vertical direction, and each plugging plate 4 transversely limits the inner mould tube 3, so that the inner mould tube 3 can be stably placed; selecting proper numbers of inner die gaskets 5 and outer die gaskets 6 according to the height of a well chamber to be processed, and sleeving the inner die gaskets and the outer die gaskets on a die pipe; inserting reinforcing steel bars between the inner die pipe and the outer die pipe;
pouring and forming: pouring concrete slurry between the inner mold pipe 3 and the outer mold pipe 2 by a conveyor belt, wherein the concrete is dry concrete, and is constructed by a dry method, the concrete flows downwards along a gap between the inner mold pipe and the outer mold pipe and enters the base 11 through the feed inlet 12, the base 11 is filled with the concrete to form a well chamber bottom plate, and then the well chamber is continuously piled up upwards, and the plugging plate 4 can prevent the concrete from filling the area, so that a well chamber water through hole is finally formed;
removing the die: after vibration preparation is completed, the second winch 73 drives the outer die pipe 2 to move upwards, namely the whole die and a formed part can be driven to leave the vibration machine, then the portal frame places the die in a die removing area, the base 11 is detached firstly, screws on the mounting plate 14 of the supporting seat are unscrewed, the first supporting seat 111 is separated from the second supporting seat 112, then connecting screws of the mounting hole 15 and the limiting plate 21 are unscrewed, long screws are unscrewed, the plugging plate 4 is separated from the outer die pipe 2, the plugging plate 4 is still left in a well chamber, the second winch 73 pulls the outer die pipe 2 with a certain height upwards, the matching plate 24 is separated from the matching groove 13, then workers take down the first supporting seat 111 and the second supporting seat 112, the bottom plate is exposed, a large amount of air also enters the outer die pipe 2, accordingly, the air pressure inside the outer die pipe 2 is increased, the pressure difference between the inside and outside is reduced, and the difficulty in separation caused by overlarge external air pressure is avoided; then the first winch 72 and the second winch 73 synchronously move, and the outer die pipe 2 and the inner die pipe 3 are synchronously lifted, so that the outer die pipe 2 and the inner die pipe 3 are separated from the well chamber, demolding is realized, and finally the integrally formed bottom plate and the well chamber can be separated, and a worker can take down each plugging plate 4 from the well chamber.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A prefabricated assembled concrete manhole casting form, comprising:
the supporting mechanism (1), the supporting mechanism (1) comprises a base (11), the base (11) is formed by assembling a first supporting seat (111) and a second supporting seat (112) which are identical in structure and are oppositely arranged, the inside of the base (11) is of a cavity structure, and the surface of the base (11) is provided with a feed inlet (12) and the bottom surface is closed;
the outer die pipe (2) is assembled on the top surface of the base (11), and the outer die pipe (2) is arranged at the outer edge of the feed inlet (12);
the inner mold pipes (3) are arranged at the inner central line of the outer mold pipe (2) at intervals, the bottom ends of the inner mold pipes (3) are flush with the bottom ends of the outer mold pipes (2), and gaps between the inner mold pipes (3) and the outer mold pipes (2) are communicated with the inside of the base (11);
the plugging plate (4) is arranged at a gap between the outer die pipe (2) and the inner die pipe (3), and the plugging plate (4) is assembled and connected to the inner wall of the outer die pipe (2); the base (11), the outer die pipe (2), the inner die pipe (3) and the plugging plate (4) jointly form a die main body, the die main body is used for integrally forming a bottom plate and a well chamber, the base (11) is used for pouring the formed bottom plate, the outer die pipe (2) and the inner die pipe (3) are used for pouring the formed well chamber, and the plugging plate (4) is used for opening a water through hole of the well chamber;
the inner wall of the inner mold pipe (3) is vertically provided with a lifting frame (31), the middle part of the lifting frame (31) is provided with a lifting ring (311), the lifting ring (311) and the inner mold pipe (3) are positioned at the same central line, the lifting ring (311) and a lifting plate (22) are connected with a lifting mechanism (7), and the lifting mechanism (7) is used for driving the inner mold pipe (3) and the outer mold pipe (2) to lift;
the lifting mechanism (7) comprises a fixed plate (71), a first winch (72) and a second winch (73), wherein the second winch (73) is arranged at the edge of the bottom surface of the fixed plate (71), the second winch (73) is connected with the lifting plate (22), the first winch (72) is arranged at the center of the fixed plate (71), and the first winch (72) is connected with the lifting ring (311);
the steel reinforcement framework is filled between the inner mold pipe (3) and the outer mold pipe (2) and in the base (11);
the surface of the base (11) is provided with mounting holes (15) distributed in an annular array, the outer wall of the surface of the base (11) is provided with annular matching grooves (13), and the matching grooves (13) are positioned outside the feed inlet (12);
the bottom outer wall of external mold pipe (2) is equipped with limiting plate (21) that annular array distributes, limiting plate (21) with pass through screw connection between mounting hole (15), the bottom surface of external mold pipe (2) is equipped with annular cooperation board (24) perpendicularly, cooperation board (24) imbed in cooperation groove (13), open the outer wall of external mold pipe (2) has annular preformed hole (23), preformed hole (23) are used for fixing shutoff board (4), the outer wall top of external mold pipe (2) is equipped with hanger plate (22).
2. A prefabricated concrete manhole casting form according to claim 1, wherein: the first supporting seat (111) and the second supporting seat (112) are semicircular, mounting plates (14) are vertically arranged on two side walls of the first supporting seat (111) and the second supporting seat (112), and the mounting plates (14) are fixed through screws.
3. A prefabricated concrete manhole casting form according to claim 1, wherein: the outer wall and the inner wall of the plugging plate (4) are arc surfaces, the plugging plate (4) is tightly attached to the outer mold tube (2) and the inner mold tube (3), connecting holes (41) are symmetrically formed in the plugging plate (4), and the connecting holes (41) are connected with the reserved holes (23) through screws.
4. A prefabricated concrete manhole casting form according to claim 3, wherein: the top of centre form pipe (3) has cup jointed centre form packing ring (5), a plurality of cup joint each other between centre form packing ring (5), centre form packing ring (5) are used for increasing the height of centre form pipe (3).
5. A prefabricated concrete manhole casting form according to claim 3 or 4, wherein: the top of external mold pipe (2) cup joints external mold packing ring (6), a plurality of cup joints each other between external mold packing ring (6), external mold packing ring (6) are used for increasing the height of external mold pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910246328.4A CN109930629B (en) | 2019-03-28 | 2019-03-28 | Prefabricated assembled concrete inspection shaft pouring template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246328.4A CN109930629B (en) | 2019-03-28 | 2019-03-28 | Prefabricated assembled concrete inspection shaft pouring template |
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| Publication Number | Publication Date |
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| CN109930629A CN109930629A (en) | 2019-06-25 |
| CN109930629B true CN109930629B (en) | 2024-01-30 |
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| CN201910246328.4A Active CN109930629B (en) | 2019-03-28 | 2019-03-28 | Prefabricated assembled concrete inspection shaft pouring template |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111364768B (en) * | 2020-03-06 | 2022-03-04 | 南宁腾宁商品混凝土有限公司 | Concrete pumping anti-blocking method and device |
| CN112942430B (en) * | 2021-01-29 | 2022-11-15 | 江西省八达新型建材科技有限公司 | Prefabricated cable inspection shaft bottom seat and preparation frock thereof |
| CN114030074A (en) * | 2021-11-08 | 2022-02-11 | 宣城市政建材有限公司 | Processing method of concrete prefabricated inspection well |
| CN114607022A (en) * | 2022-03-19 | 2022-06-10 | 临沂市政集团有限公司 | Movable prefabricated inspection shaft construction device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200403875Y1 (en) * | 2005-09-13 | 2005-12-14 | 조용우 | Concrete mold for manhole manufacture |
| KR20090002212U (en) * | 2007-08-31 | 2009-03-04 | 영남콘크리트 (주) | A Manhole mold device |
| CN108058263A (en) * | 2017-07-31 | 2018-05-22 | 内蒙古祥宇通信网络工程有限公司 | It is integrally formed precast inspection well and its manufacture mold and method |
| CN210151787U (en) * | 2019-03-28 | 2020-03-17 | 宣城市政建设集团有限公司 | Prefabricated assembled concrete inspection well pouring template |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8985546B2 (en) * | 2009-09-18 | 2015-03-24 | Rotondo Weirich, Inc. | Exterior wall forms with core walls for the rapid manufacturing of concrete modular housing units |
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2019
- 2019-03-28 CN CN201910246328.4A patent/CN109930629B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200403875Y1 (en) * | 2005-09-13 | 2005-12-14 | 조용우 | Concrete mold for manhole manufacture |
| KR20090002212U (en) * | 2007-08-31 | 2009-03-04 | 영남콘크리트 (주) | A Manhole mold device |
| CN108058263A (en) * | 2017-07-31 | 2018-05-22 | 内蒙古祥宇通信网络工程有限公司 | It is integrally formed precast inspection well and its manufacture mold and method |
| CN210151787U (en) * | 2019-03-28 | 2020-03-17 | 宣城市政建设集团有限公司 | Prefabricated assembled concrete inspection well pouring template |
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| CN109930629A (en) | 2019-06-25 |
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