CN114411738A - Automatic forming device and method for arc-shaped structures of internal corners of foundation trench - Google Patents

Automatic forming device and method for arc-shaped structures of internal corners of foundation trench Download PDF

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Publication number
CN114411738A
CN114411738A CN202210093087.6A CN202210093087A CN114411738A CN 114411738 A CN114411738 A CN 114411738A CN 202210093087 A CN202210093087 A CN 202210093087A CN 114411738 A CN114411738 A CN 114411738A
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CN
China
Prior art keywords
internal corner
internal
arc
corner
foundation trench
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Pending
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CN202210093087.6A
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Chinese (zh)
Inventor
陶良均
卢红菊
王传林
何小龙
黄国林
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Hubei Xinde Construction Group Co ltd
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Hubei Xinde Construction Group Co ltd
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Priority to CN202210093087.6A priority Critical patent/CN114411738A/en
Publication of CN114411738A publication Critical patent/CN114411738A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

An automatic forming device and method for an arc-shaped structure of an internal corner of a foundation trench comprises a track, a hinged seat, a driving mechanism and an internal corner die dragging mechanism, the driving mechanism and the internal corner dragging mold mechanism are connected with the hinged base, the front driving motor and the rear driving motor are respectively connected with the front end and the rear end of the hinged base, the rollers of the front driving motor and the rear driving motor are positioned in the groove openings of the tracks, the right-angle internal corner of the foundation groove is positioned on one side of the arc-shaped outer wall of the internal corner mold, the driving mechanism drives the hinged base to drive the internal corner dragging mold mechanism to move along the tracks, concrete slurry is continuously injected between the arc-shaped outer wall of the internal corner mold and the right-angle internal corner, and when the internal corner mold moves along with the hinged base, the concrete slurry is scraped and coated on the right-angle internal corner of the joint of the inner wall of the foundation trench and the bottom of the foundation trench to form the arc-shaped internal corner, the arc-shaped internal corner is in smooth transition, the precision is high, the coiled material is tightly attached to the curved material when being bent, hollowing is avoided, and the compactness of the coiled material when being attached is improved.

Description

Automatic forming device and method for arc-shaped structures of internal corners of foundation trench
Technical Field
The invention belongs to the technical field of basic foundation trench processing, and relates to an automatic forming device and method for an internal corner arc-shaped structure of a foundation trench.
Background
The foundation construction method is characterized in that the construction area is wide, particularly in the foundation construction process, the required period is short, the number of construction units is relatively large, the construction process of each construction unit is different, in the foundation pit construction process, the foundation is gradually deepened into the ground after being excavated from the ground surface, when the foundation reaches a certain depth, a water seepage phenomenon occurs, a foundation trench needs to be excavated in the foundation pit, so that seepage water in the foundation pit enters the foundation trench deeper from the ground surface and is discharged outside, and no accumulated water is reserved in the foundation pit so as to facilitate construction; at foundation ditch shaping back, need carry out water repellent to the foundation ditch, because the foundation ditch is located below the foundation ditch face, the combination department of its tank bottom and cell wall is the right angle reentrant corner, when carrying out water repellent treatment, because construction unit is more, waterproofing process and coiled material requirement are unanimous, need laminate waterproofing membrane in foundation ditch bottom and foundation ditch inner wall, waterproofing membrane has certain thickness, when laminating, the coiled material can not closely laminate with the right angle reentrant corner after buckling, form the hollowing and lead to the compactness to reduce.
Disclosure of Invention
The invention provides an automatic forming device and method for an arc-shaped structure of a reentrant corner of a foundation trench, wherein a driving mechanism and a reentrant corner die dragging mechanism are connected with a hinged seat, a front driving motor and a rear driving motor are respectively connected with the front end and the rear end of the hinged seat, rollers of the front driving motor and the rear driving motor are positioned in a notch of a track, the reentrant corner of the foundation trench is positioned at one side of the arc-shaped outer wall of the reentrant corner die, the driving mechanism drives the hinged seat to drive the reentrant corner die dragging mechanism to run along the track, concrete slurry is continuously injected between the arc-shaped outer wall of the reentrant corner die and the reentrant corner, when the reentrant corner die moves along with the hinged seat, the concrete slurry is scraped and coated on the right-angle internal corner of the joint of the inner wall of the foundation trench and the bottom of the foundation trench to form the arc-shaped internal corner, the arc-shaped internal corner is in smooth transition, the precision is high, the coiled material is tightly attached to the curved material when being bent, hollowing is avoided, and the compactness of the coiled material when being attached is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an automatic forming device for an arc-shaped structure of an internal corner of a foundation trench comprises a track, a hinge seat, a driving mechanism and an internal corner die dragging mechanism; a front drive motor and a rear drive motor of the driving mechanism are respectively connected with the hinge base, an internal corner support arm of the internal corner mold dragging mechanism is connected with the hinge base, and a roller of the driving mechanism is in rolling fit with the track; the driving mechanism drives the hinging seat to drive the internal corner die of the internal corner die dragging mechanism to do linear motion or circular motion along the track; the internal corner die is positioned on the outer side of the rail.
The cross section of the track is of a groove-shaped structure with an upward opening, and the roller is positioned in the groove opening and is in rolling contact with the groove walls on two sides of the groove opening.
The hinged seat is a flat plate, and the front drive motor and the rear drive motor are respectively positioned at two ends of the flat plate.
The side sets up the support column on articulated seat, and the support column is close to precursor motor one side.
The side of the hinged base is provided with a pipe sleeve, and the internal corner die dragging mechanism is connected with the pipe sleeve.
The driving mechanism comprises a front driving motor and a rear driving motor, and the two rollers are respectively connected with the output ends of the front driving motor and the rear driving motor.
The internal corner dragging mechanism comprises a bearing with a base, the internal corner is connected with the die, one end of the internal corner support arm is matched with the bearing with the base, and the other end of the internal corner support arm is matched with a pipe sleeve on the hinged base.
The internal angle die is an arc-shaped plate with the angle of more than 90 degrees and less than 150 degrees, a mounting plate is arranged on the inner side of the arc-shaped plate, and the bearing with the seat is fixedly connected with the mounting plate.
At least one grouting hole is formed in two corner clamping edges of the female corner die and is positioned on one side of the bearing with the seat; the slip casting pipe is connected with slip casting hole and material basin, and the material basin is connected with the support column on the articulated seat.
The method for forming the arc internal corner of the automatic forming device for the internal corner arc-shaped structure of the foundation trench comprises the following steps:
s1, mounting, namely, placing the track at the bottom of the base groove, wherein the edges of two included angle edges of the internal angle die are respectively close to the inner wall surface of the base groove, and the right-angle internal angle of the base groove is positioned on one side of the arc-shaped outer wall of the internal angle die;
s2, feeding, namely injecting concrete slurry into the material basin on the principle of no overflow; connecting a grouting pipe to a grouting hole on the internal corner mold, and gradually injecting concrete slurry into the internal corner mold;
s3, starting the front drive motor and the rear drive motor, and driving the hinged base and the internal corner die dragging mechanism to move by rolling the roller along the track;
s4, molding, namely, continuously injecting concrete slurry between the arc-shaped outer wall of the internal corner mold and the joint of the inner wall of the foundation trench and the bottom of the foundation trench, and scraping the concrete slurry on the right-angle internal corner of the foundation trench to form an arc-shaped internal corner when the internal corner mold moves along with the hinge seat; until the driving mechanism drives the hinged seat to drive the internal corner die dragging mechanism to move at least one round and back along the track, so that the internal corners of the right angle all form an arc-shaped internal corner.
The invention has the beneficial effects that:
the track is laid in the basal trough bottom, and the reentrant corner mould is located the track outside towards the right angle reentrant corner of basal trough.
The front drive motor and the rear drive motor of the driving mechanism are both connected with the hinged seat, and a flexible driving mode can be adopted.
The internal corner die is an arc-shaped plate with the angle of more than 90 degrees and less than 150 degrees, concrete slurry is continuously injected between the outer wall of the arc-shaped plate and the inner wall of the base groove and between the outer wall of the arc-shaped plate and the bottom of the base groove in the process of moving along the track, and the internal corner die continuously coats the concrete slurry on a right-angle internal corner formed by combining the inner wall of the base groove and the bottom of the base groove in a hanging mode to form an arc-shaped internal corner.
The arc-shaped internal corner is smooth in transition, and when the waterproof roll is attached to the arc-shaped internal corner, the compactness during combination is improved, and the hollowing phenomenon cannot be generated.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a schematic structural view of the connection between the hinge base and the driving mechanism according to the present invention.
Fig. 5 is a schematic structural view of the reentrant mold drawing mechanism of the present invention.
Fig. 6 is a front view of fig. 5.
Fig. 7 is a state diagram of the present invention in use.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a schematic cross-sectional view at a-a of fig. 8.
Fig. 10 is an enlarged schematic view of fig. 9 at B.
In the figure: the device comprises a track 1, a notch 11, a hinged base 2, a support column 23, a pipe sleeve 24, a driving mechanism 3, a front driving motor 31, a rear driving motor 32, a roller 34, an internal corner die dragging mechanism 4, an internal corner die 41, a bearing with a base 42, an internal corner support arm 43, a mounting plate 44, a grouting hole 45, a grouting pipe 46 and a material basin 47.
Detailed Description
As shown in fig. 1 to 10, an automatic forming device for an internal corner arc structure of a foundation trench is characterized in that: the device comprises a track 1, a hinged seat 2, a driving mechanism 3 and a reentrant corner die dragging mechanism 4; the front drive motor 31 and the rear drive motor 32 of the driving mechanism 3 are respectively connected with the hinged base 2, the internal corner support arm 43 of the internal corner die dragging mechanism 4 is connected with the hinged base 2, and the roller 34 of the driving mechanism 3 is in rolling fit with the track 1; the driving mechanism 3 drives the hinge base 2 to drive the internal corner die 41 of the internal corner die dragging mechanism 4 to do linear motion or circular motion along the track 1; the negative angle mold 41 is located outside the rail 1. During the use, the right angle reentrant corner of foundation ditch is located arc outer wall one side of reentrant corner mould 41, actuating mechanism 3 drive articulated seat 2 drives the reentrant corner and drags mould mechanism 4 along track 1 operation, concrete ground paste incessant injection reentrant corner mould 41's arc outer wall and right angle reentrant corner between, reentrant corner mould 41 is along with articulated seat 2 during motion, scrape concrete ground paste and scribble on the right angle reentrant corner of foundation ditch inner wall and foundation ditch bottom combination department, form the arc reentrant corner, arc reentrant corner rounding off, the precision is high, closely laminate rather than when being favorable to the coiled material to buckle, avoid the hollowing, improve the compactness when the coiled material laminating.
In a preferred scheme, the cross section of the track 1 is of a groove-shaped structure with an upward opening, and the rollers 34 are positioned in the notches 11 and are in rolling contact with groove walls on two sides of the rollers. During installation, the track 1 is placed at the bottom of a flat foundation trench; in use, the roller 34 is confined in the slot 11 of the rail 1, the roller 34 contacts with the inner wall of the slot 11, and the roller 34 generates friction force with the inner wall of the slot 11 and moves along the rail 1 when rotating.
Preferably, the track 1 is a linear track or an endless closed track. The annular closing rail is not shown in the figures.
In a preferred embodiment, the hinge base 2 is a flat plate, and the front driving motor 31 and the rear driving motor 32 are respectively located at two ends of the flat plate. In use, the output ends of the front drive motor 31 and the rear drive motor 32 pass through the hinge base 2.
In a preferred scheme, a support column 23 is arranged on the upper side surface of the hinge base 2, and the support column 23 is close to one side of the precursor motor 31. During installation, the support column 23 is used for supporting the material basin 47, so that the height of the material basin 47 is higher than that of the internal corner die dragging mechanism 4, and the gravity flow of concrete slurry in the material basin 47 is facilitated.
In a preferred scheme, a pipe sleeve 24 is arranged on the upper side surface of the hinge seat 2, and the internal corner die dragging mechanism 4 is connected with the pipe sleeve 24. When installed, the pipe sleeve 24 is used for connecting the female-corner die drawing mechanism 4.
In a preferred embodiment, the driving mechanism 3 includes a front driving motor 31 and a rear driving motor 32, and the two rollers 34 are respectively connected to output ends of the front driving motor 31 and the rear driving motor 32. When in use, the front drive motor 31 and the rear drive motor 32 can work simultaneously or independently, and can rotate clockwise or reversely.
In a preferred scheme, the internal corner die dragging mechanism 4 comprises a bearing with a base 42 connected with an internal corner die 41, one end of an internal corner support arm 43 is matched with the bearing with the base 42, and the other end of the internal corner support arm 43 is matched with a pipe sleeve 24 on the hinge base 2. During the use, reentrant corner drags mode mechanism 4 to drive its synchronous motion by articulated seat 2, reentrant corner support arm 43 and pipe box 24 cooperation and its minor amplitude rotation around, reentrant corner support arm 43 other end and the cooperation of rolling bearing 42 also can rotate around its minor amplitude to make reentrant corner drag mode mechanism 4 when moving along with articulated seat 2, reentrant corner mould 41 can freely cross the basal trough bottom of unevenness and the basal trough internal face of unevenness, and when crossing the basal trough corner, reentrant corner mould 41 can rotate in a flexible way.
In a preferred scheme, the internal angle die 41 is an arc plate with an angle greater than 90 degrees and less than 150 degrees, a mounting plate 44 is arranged on the inner side of the arc plate, and the bearing 42 with a seat is fixedly connected with the mounting plate 44. During the use, reentrant corner mould 41 moves along the right angle reentrant corner of basic trough inner wall and basic trough bottom junction, and the right angle reentrant corner is located reentrant corner mould 41 arc outer wall one side, and the border of the two contained angle sides of reentrant corner mould 41 is close to the basic trough internal wall respectively, but does not contact with the basic trough internal wall for reentrant corner mould 41 is not totally blocked by the basic trough internal wall and dies, and is favorable to the flow state thick liquid in the concrete slurry to overflow, forms the anchor coat with basic trough internal wall inter combination after solidifying.
In a preferred scheme, at least one grouting hole 45 is arranged on two included angle edges of the female angle die 41, and the grouting hole 45 is positioned on one side of the seated bearing 42; the grouting pipe 46 is connected with the grouting hole 45 and the bowl 47, and the bowl 47 is connected with the support column 23 on the hinge base 2. During the use, store concrete slurry in the basin 47, concrete slurry pours into the slip casting hole 45 back into from slip casting pipe 46 into, gets into between reentrant corner mould 41 outer wall and the right angle reentrant corner, and the reentrant corner mould 41 hangs concrete slurry and scribbles on the right angle reentrant corner of foundation ditch inner wall and foundation ditch bottom junction during the motion, forms the arc reentrant corner, makes it form smooth and smooth transition's structure, improves the laminating degree that the coiled material combines.
In a preferred embodiment, the method for forming the concave arc of the automatic forming device for the concave arc structure of the foundation trench comprises the following steps:
s1, mounting, namely, placing the track 1 at the bottom of a base groove, wherein the edges of two included angle edges of the internal corner die 41 are respectively close to the inner wall surface of the base groove, and the right-angle internal corner of the base groove is positioned on one side of the arc-shaped outer wall of the internal corner die 41;
s2, feeding, namely injecting concrete slurry into the material basin 47 on the principle of no overflow; connecting a grouting pipe 46 into a grouting hole 45 on the internal corner mold 41, and gradually injecting concrete slurry into the internal corner mold 41;
s3, starting the front drive motor 31 and the rear drive motor 32, and driving the hinged base 2 and the internal corner die dragging mechanism 4 to move by rolling the roller 34 along the track 1;
s4, molding, namely, continuously injecting concrete slurry between the arc-shaped outer wall of the internal corner die 41 and the joint of the inner wall of the foundation trench and the bottom of the foundation trench, and scraping the concrete slurry on the right-angle internal corner of the foundation trench to form an arc-shaped internal corner when the internal corner die 41 moves along with the hinge base 2; until the driving mechanism 3 drives the hinged seat 2 to drive the internal corner die dragging mechanism 4 to move at least one round and back along the track 1, so that the internal corners of the right angle all form an arc-shaped internal corner. .
The method is simple and convenient to operate, can automatically finish the hanging coating of the right-angle internal corner of the foundation trench, forms the arc internal corner in smooth transition at the right-angle internal corner, automatically finishes the hanging coating at one time, has high precision, is beneficial to the laying of later-period coiled materials, and avoids hollowing when the coiled materials are attached.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (10)

1. The utility model provides a base groove reentrant corner arc structure automatic molding device which characterized by: the device comprises a track (1), a hinged seat (2), a driving mechanism (3) and an internal corner die dragging mechanism (4); a front drive motor (31) and a rear drive motor (32) of the driving mechanism (3) are respectively connected with the hinged base (2), an internal corner support arm (43) of the internal corner die dragging mechanism (4) is connected with the hinged base (2), and a roller (34) of the driving mechanism (3) is in rolling fit with the track (1); the driving mechanism (3) drives the hinge base (2) to drive the internal corner die (41) of the internal corner die dragging mechanism (4) to do linear motion or circular motion along the track (1); the internal angle die (41) is positioned outside the track (1).
2. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 1, wherein: the cross section of the track (1) is of a groove-shaped structure with an upward opening, and the rollers (34) are positioned in the notches (11) and are in rolling contact with the groove walls on the two sides of the rollers.
3. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 1, wherein: articulated seat (2) are the flat board, and front-drive motor (31) and back-drive motor (32) are located the both ends of flat board respectively.
4. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 3, wherein: articulated seat (2) side sets up support column (23) on the side, and support column (23) are close to precursor motor (31) one side.
5. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 3, wherein: the side surface of the hinged base (2) is provided with a pipe sleeve (24), and the internal corner die dragging mechanism (4) is connected with the pipe sleeve (24).
6. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 1, wherein: the driving mechanism (3) comprises a front driving motor (31) and a rear driving motor (32), and the two rollers (34) are respectively connected with the output ends of the front driving motor (31) and the rear driving motor (32).
7. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 1, wherein: the internal corner mold dragging mechanism (4) comprises a bearing (42) with a seat, wherein the bearing (42) with the seat is connected with an internal corner mold (41), one end of an internal corner support arm (43) is matched with the bearing (42) with the seat, and the other end of the internal corner support arm (43) is matched with a pipe sleeve (24) on the hinged seat (2).
8. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 7, wherein: the internal angle die (41) is an arc-shaped plate with the angle larger than 90 degrees and smaller than 150 degrees, a mounting plate (44) is arranged on the inner side of the arc-shaped plate, and the bearing with the seat (42) is fixedly connected with the mounting plate (44).
9. The automatic forming device of the internal corner arc structure of the foundation trench as claimed in claim 8, wherein: two included angle edges of the female angle die (41) are at least provided with one grouting hole (45), and the grouting holes (45) are positioned on one side of the bearing with the seat (42); the grouting pipe (46) is connected with the grouting hole (45) and the material basin (47), and the material basin (47) is connected with the supporting column (23) on the hinged seat (2).
10. The method for forming the internal arc corner of the automatic forming device for the internal arc corner structure of the foundation trench according to any one of claims 1 to 9, comprising the steps of:
s1, mounting, namely, placing the track (1) at the bottom of a base groove, wherein the edges of two included angle edges of the internal angle die (41) are respectively close to the inner wall surface of the base groove, and the right-angle internal angle of the base groove is positioned on one side of the arc-shaped outer wall of the internal angle die (41);
s2, feeding, namely injecting concrete slurry into the material basin (47) on the principle of no overflow; connecting a grouting pipe (46) into a grouting hole (45) on the internal corner mold (41), and gradually injecting concrete slurry into the internal corner mold (41);
s3, starting a front drive motor (31) and a rear drive motor (32), and driving a hinged base (2) and a reentrant corner die dragging mechanism (4) to move by rolling a roller (34) along a track (1);
s4, molding, namely, continuously injecting concrete slurry between the arc-shaped outer wall of the internal corner mold (41) and the joint of the inner wall of the foundation trench and the bottom of the foundation trench, and scraping and coating the concrete slurry on the right-angle internal corner of the foundation trench to form the arc-shaped internal corner when the internal corner mold (41) moves along with the hinged base (2); until the driving mechanism (3) drives the hinged seat (2) to drive the internal corner die dragging mechanism (4) to move at least one round and back along the track (1), so that the internal corners of the right angle all form an arc-shaped internal corner.
CN202210093087.6A 2022-01-26 2022-01-26 Automatic forming device and method for arc-shaped structures of internal corners of foundation trench Pending CN114411738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210093087.6A CN114411738A (en) 2022-01-26 2022-01-26 Automatic forming device and method for arc-shaped structures of internal corners of foundation trench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210093087.6A CN114411738A (en) 2022-01-26 2022-01-26 Automatic forming device and method for arc-shaped structures of internal corners of foundation trench

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016188137A1 (en) * 2015-05-26 2016-12-01 佛山市突破机械制造有限公司 Plastering machine having foldable upright rails
CN206693574U (en) * 2017-05-03 2017-12-01 中建八局第一建设有限公司 A kind of inner corner trim is plastered rapid construction instrument
CN209144819U (en) * 2018-11-13 2019-07-23 青海智鑫电力监理咨询有限公司 A kind of chamfer tool for transmission line foundation
CN209179438U (en) * 2018-09-20 2019-07-30 中国建筑第二工程局有限公司 A kind of waterproof matrix inner corner trim circular arc apparatus of plastering
CN113481999A (en) * 2021-06-18 2021-10-08 中冶建设高新工程技术有限责任公司 Device and method for pouring and repairing 45-degree inclined concrete on cushion layer and smearing internal corners

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016188137A1 (en) * 2015-05-26 2016-12-01 佛山市突破机械制造有限公司 Plastering machine having foldable upright rails
CN206693574U (en) * 2017-05-03 2017-12-01 中建八局第一建设有限公司 A kind of inner corner trim is plastered rapid construction instrument
CN209179438U (en) * 2018-09-20 2019-07-30 中国建筑第二工程局有限公司 A kind of waterproof matrix inner corner trim circular arc apparatus of plastering
CN209144819U (en) * 2018-11-13 2019-07-23 青海智鑫电力监理咨询有限公司 A kind of chamfer tool for transmission line foundation
CN113481999A (en) * 2021-06-18 2021-10-08 中冶建设高新工程技术有限责任公司 Device and method for pouring and repairing 45-degree inclined concrete on cushion layer and smearing internal corners

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