CN210067058U - Embedded part - Google Patents

Embedded part Download PDF

Info

Publication number
CN210067058U
CN210067058U CN201920599069.9U CN201920599069U CN210067058U CN 210067058 U CN210067058 U CN 210067058U CN 201920599069 U CN201920599069 U CN 201920599069U CN 210067058 U CN210067058 U CN 210067058U
Authority
CN
China
Prior art keywords
utility
embedment
model
embedded
built
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.)
Active
Application number
CN201920599069.9U
Other languages
Chinese (zh)
Inventor
刘平原
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.)
Fashida (dalian) Industrial Group Co Ltd
Original Assignee
Fashida (dalian) Industrial Group Co Ltd
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 Fashida (dalian) Industrial Group Co Ltd filed Critical Fashida (dalian) Industrial Group Co Ltd
Priority to CN201920599069.9U priority Critical patent/CN210067058U/en
Application granted granted Critical
Publication of CN210067058U publication Critical patent/CN210067058U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the accessories field for the building engineering, concretely relates to built-in fitting aims at being difficult in order to solve the pre-buried location of fastener, and the probability of doing over again is big, easily take place to leak, the infiltration problem. The utility model discloses the built-in fitting includes tip, connecting portion and prevention of seepage water portion, wherein: the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part; the end surface of the end part deviating from the connecting part is convex; the outer surface of the watertight part is provided with a bulge and/or a groove. The utility model discloses an embedded part simple structure, modern design, easy location avoid the conflict of embedded part and structural reinforcement, reduce the probability of doing over again, can practice thrift a large amount of manpower and materials when the construction, economic benefits is showing, simultaneously the utility model discloses the seepage prevention water portion has solved the embedded part and has easily seeped water, leak the scheduling problem.

Description

Embedded part
Technical Field
The utility model belongs to spare and accessory part field for the building engineering, concretely relates to be applied to reinforced concrete structure's built-in fitting.
Background
Along with the rapid development of economic construction in China and the improvement of the living standard of people, the safety requirement on a building structure is higher and higher, compared with plain concrete, the reinforced concrete structure has stronger stability and higher bearing capacity, reinforcing steel bars can bear tensile and bending resistance, in addition, the plain concrete has no tensile capacity, the earthquake can be temporarily damaged in a brittle way, and when the proper reinforcing steel bars are matched, the components are added with ductility and are stressed repeatedly, so that the earthquake resistance is facilitated.
The reinforced concrete is widely used by construction projects due to the advantages of good shock resistance, strong stability, simple and convenient construction, good appearance quality and the like, plays a decisive role in key parts of construction, and can effectively achieve the required effect of construction.
At present, the reinforced concrete construction process flow is divided into the following steps: 1. pouring concrete to condense the steel bars into the concrete; 2. assembling the embedded part and a positioning die; 3. positioning and adjusting the embedded part and fixing a positioning die; 4. quality acceptance, if the quality acceptance does not meet the precision requirement, returning to the step 2 again, and if the quality acceptance meets the precision requirement, performing the next step; 5. pouring concrete at one time; 6. dismantling the embedded part positioning mould; 7. and (5) curing the concrete and protecting a finished product.
Because concrete is poured on the steel bars and is completely coated, the position of the steel bars cannot be observed when the embedded parts are installed and fixed when the reinforced concrete is constructed in the step 3, the embedded positions are often obstructed by the steel bars and cannot be accurately positioned, deviation occurs in the embedded positions, the construction needs to be carried out again, if the deviation is overlarge, the embedded parts can only be adjusted through modes of hammering, wood block jacking and the like, and the strength of the embedded parts is slightly damaged easily due to the adjustment effect.
The embedded accuracy of the embedded parts is an important factor influencing construction quality in the construction process of reinforced concrete, compared with the traditional building, the application of the reinforced concrete is wider, the specifications of basic embedded parts of the reinforced concrete are more, the quantity is large, the construction precision requirement is higher, once a large deviation is generated when individual embedded parts are embedded, the normal installation and debugging of various devices are directly influenced, the existing embedded parts in the market are not provided with waterproof structures, water seepage is caused due to improper later installation, water seepage phenomena of house buildings, railway tunnels and the like often occur, the existing embedded parts cannot be automatically positioned, the embedded accuracy is low, the rework probability is high, the normal installation and debugging in the later period of the devices are also influenced, and quality accidents are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, it is difficult for solving the pre-buried location of built-in fitting promptly, the probability of doing over again is big, easily take place to leak, infiltration scheduling problem, the utility model provides an embedded fitting, the embedded fitting includes end part, connecting piece and prevention of seepage water spare, wherein: the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part; the end face of the end piece facing away from the connector is convex; the outer surface of the water seepage preventing piece is provided with a bulge and/or a groove.
In some preferred embodiments, the end piece is enlarged as compared to the connector piece to form a pull-out resistant structure.
In some preferred embodiments, the end piece is provided with a raised and/or a recessed fastening portion.
In some preferred embodiments, the end surface of the end piece facing away from the connector is spherically convex.
In some preferred embodiments, the fastening portions are at least two, and the at least two fastening portions are evenly arranged around the circumferential array of the connector.
In some preferred embodiments, the end piece, the connection and the water barrier can be integrally formed.
The utility model has the advantages that:
the utility model discloses a set up the prevention of seepage water part in the built-in fitting, when increasing the attached retention of the waterproof interface of later stage structure glue, also increased the stability of built-in fitting, avoided the emergence of leaking, infiltration scheduling problem.
The utility model discloses end piece department has increased positioning mechanism, and positioning mechanism's setting has avoided the built-in fitting when taking one's place to conflict with the structural reinforcement, has also guaranteed construction quality when reducing the probability of doing over again, has improved the efficiency of construction.
The utility model discloses the built-in fitting adopts the mode of integration processing, makes built-in fitting integrated into one piece, has saved subassembly processing, installation welded labor input, has improved the efficiency of construction, in addition, the utility model discloses the product is stereotyped the back, and is with low costs, and the quality assurance can regard as industrial product mass production processing.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a first schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a schematic structural diagram three of an embodiment of the present invention;
FIG. 4 is an assembly view of a positioning mold according to the present invention;
fig. 5 is a schematic structural view of another embodiment of the present invention;
fig. 6 is a schematic view of the pattern of the water seepage preventing member 3 according to an embodiment of the present invention;
description of reference numerals:
1. the end part comprises 101 an outer convex end surface 102, 103 an anti-pulling structure and a fastening part; 2. a connecting member; 3. a water seepage preventing part; 4. a threaded sleeve; 5. positioning a steel plate; 6. assembling screws; 7. an end portion; 8. a connecting portion; 9. a water seepage prevention part.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more obvious, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
An aspect of the utility model provides an embedded part, including end part, connecting piece and prevention of seepage water spare, wherein: the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part; the end face of the end piece facing away from the connector is convex; the outer surface of the water seepage preventing piece is provided with a bulge and/or a groove.
In some embodiments of the present invention, the end piece is enlarged as compared to the connector to form an uplift structure.
In some embodiments of the present invention, the end member is provided with a raised and/or a recessed fastening portion.
In some embodiments of the present invention, the end of the end piece that deviates from the connector is a convex surface.
In some embodiments of the present invention, the number of the fastening portions is at least two, and the at least two fastening portions are wound around the connecting member circumferential array.
The utility model provides an embedded part in a second aspect, which comprises an end part, a connecting part and a watertight part; wherein: the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part; the end surface of the end part deviating from the connecting part is convex; the outer surface of the watertight part is provided with a bulge and/or a groove.
In some embodiments of the present invention, the end portion is compared with the connecting portion to be expanded to form an anti-pulling structure.
In some embodiments of the present invention, the end portion is provided with a protruding and/or a recessed fastening structure.
In some embodiments of the present invention, the end surface of the connecting portion is a spherical convex surface.
In some embodiments of the present invention, the number of the fastening structures is at least two, and the at least two fastening structures are uniformly arranged around the connection portion circumferential array.
The utility model discloses an embedded part of first embodiment includes end part, connecting piece and prevention of seepage water spare, wherein: the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part; the end face of the end piece facing away from the connector is convex; the outer surface of the water seepage preventing piece is provided with a bulge and/or a groove.
For a clearer illustration of the embedment of the present invention, a preferred embodiment of the present invention is described in detail below with reference to fig. 1-3.
As shown in fig. 1, the embedded part of the embodiment includes an end part 1, a connecting part 2 and a water seepage prevention part 3, wherein the end part 1 and the water seepage prevention part 3 are respectively fixed at two opposite ends of the connecting part 2, and the embodiment can be processed by an integrated process, and simultaneously realizes the functions of each part, thereby not only reducing the number of parts of the embedded part, but also solving the problem of inconsistent assembly of each part of the embedded part.
Continuing to refer to fig. 2, the end surface of the embedded part end part 1 deviating from the connecting part 2 protrudes outwards, and the protruding end surface 101 is used for ensuring that the embedded part can effectively avoid the steel bars when the reinforced concrete is embedded and installed, avoiding the collision with the structural steel bars, reducing the rework probability, ensuring the construction quality and improving the construction efficiency; in order to ensure that the force of the embedded part is uniform, in this embodiment, the convex end surface 101 is preferably a spherical convex surface, and those skilled in the art can flexibly design the shape of the convex end surface according to actual process requirements, such as an ellipse, a disc, a cone, and the like, which are not listed here.
As shown in fig. 2, the end piece 1 further comprises an uplift structure 102 that is enlarged compared to the connector piece 2; the anti-pulling structure 102 cross section is circular in this embodiment, and back in the built-in fitting puts into the concrete, can carry out the bearing of drawing power through the anti-pulling structure 102 of specific shape, guarantees the utility model discloses the maximize of the axial drawing power that bears further ensures the steadiness of operation, and simultaneously, the end part can effectively prevent the holistic rotation of built-in fitting, can avoid leading to the holistic not hard up of built-in fitting because of the rotation. The skilled person can design the shape and structure of the uplift structure flexibly according to the actual need, as long as it is ensured that the end piece 1 is enlarged compared to the connection piece 2.
The anti-pulling structure 102 is provided with at least two protruding and/or recessed fastening portions 103, and the fastening portions 103 are uniformly arranged in a circumferential array around the connector 2. The fastening part is used for fixing the position of the embedded part in the reinforced concrete and preventing the rotation caused by looseness of the embedded part. Fastening portion 103 sets up to two in this embodiment, and the skilled person in the art can design the quantity, shape, structure, the size of fastening portion according to actual need in a flexible way, and this kind of adjustment to shape size quantity does not deviate the utility model discloses a principle and scope all should be injectd within the protection scope of the utility model.
As shown in fig. 1, the connecting member 2 of the embedded part of the embodiment has a simple structure, the section of the cylindrical connecting member 2 needs to be smaller than or equal to that of the watertight member 3, and the specific specifications can be flexibly designed by those skilled in the art, which are not listed here.
Continuing to refer to fig. 1, the surface of prevention of seepage water piece 3 is equipped with arch and/or recess, arch and/or recess are used for the glued attached retention of later stage structure waterproof interface, and the reticulation annular knurl is selected for use as the surface to this embodiment, when effectively improving the gluey attached retention rate of structure waterproof interface, has still increased surface friction and has made things convenient for constructor installation to hold. The present embodiment provides, on the one hand, a cross-hatched knurl pattern of the water-impermeable member 3 shown in fig. 1, and on the other hand, a cross-hatched segmented knurl pattern of the water-impermeable member 3 shown in fig. 6 for reference of those skilled in the art, and those skilled in the art can flexibly design the outer surface pattern and shape of the water-impermeable member according to actual needs, which are not listed herein. Referring to fig. 3, the cross section of the embedded part watertight fitting 3 is circular, the watertight fitting 3 is provided with a threaded sleeve 4, the threaded sleeve 4 is an internal threaded sleeve, internal threads are further formed in the internal threaded sleeve, and the internal threads and the internal threaded sleeve are integrally formed. The utility model discloses an offer the internal thread at internal thread cover tip and be used for connecting fixed later stage assembly spare part such as screw, bolt etc.. The technical personnel in the field can also simplify the process according to the actual requirement, and can also open an internal thread hole on the anti-seepage piece.
The embodiment of the utility model provides an on the other hand provides the built-in fitting, refer to fig. 5, its with the utility model discloses a difference of above-mentioned embodiment lies in that it is integrated into one piece part, and other structures are the same. The embedded part of the second embodiment of the utility model comprises an end part 7, a connecting part 8 and a watertight part 9; wherein: the end part 7 and the watertight part 9 are respectively fixed at two opposite ends of the connecting part 8; the end face of the end part 7 departing from the connecting part is convex; the outer surface of the watertight part 9 is provided with a projection and/or a groove. In the second embodiment of the present invention, the end portion 7 is enlarged compared with the connecting portion 8 to form an uplift structure. The end portion 7 is provided with a raised and/or recessed fastening structure. The end face of the end portion 7 facing away from the connecting portion 8 is spherically convex. The utility model discloses a fastening structure is at least two in the second embodiment, at least two fastening structures are evenly arranged around 8 circumference arrays of connecting portion.
That is, the end portion 7 of the present embodiment has the same structure as the end member 1 of the previous embodiment, the connecting portion 8 of the present embodiment has the same structure as the connecting member 2 of the previous embodiment, and the watertight part 9 of the present embodiment has the same structure as the watertight part 3 of the previous embodiment, so that the technical problems, the technical effects and the technical solutions are the same.
The embodiment of the utility model provides an adopt integrated into one piece with tip, connecting portion and prevention of seepage water portion, and the technical personnel in the field can know is, still can adopt integrated into one piece with arbitrary two in tip, connecting portion and the prevention of seepage water portion according to the needs of actual processing, assembly, goes out in the description convenience, and this embodiment only signals this three integrated into one piece's structure and explains.
The utility model discloses the assembly process of built-in fitting:
fig. 4 is the utility model discloses built-in fitting and positioning die's assembly schematic diagram, the preferred steel sheet of this embodiment is built-in fitting positioning die, and the skilled person in the art can select positioning die material and structure according to actual conditions is nimble. The specification and the quantity of the embedded parts of the utility model are designed according to construction drawings, and the models and the quantity which are suitable for the embedded parts and are used as positioning steel plates are selected; positioning and drilling a steel plate on the positioning steel plate 5 by using a drilling machine to form a machined and formed steel plate; will the utility model discloses the built-in fitting with positioning steel sheet 5 after the machine-shaping with the utility model discloses built-in fitting screw-thread fit's assembly screw 6 assembles fixedly, and positioning steel sheet 5 is 1:4 with the assembly quantity of built-in fitting in this embodiment picture, and the size that technical personnel in the field can design positioning steel sheet by oneself according to actual need suitably increases the built-in fitting quantity to effectively alleviate constructor intensity of labour, improve work efficiency. It should be noted that when the embedded part is installed, the positioning steel plate 5 on the upper part of the embedded part should be higher than the top elevation of the foundation concrete so as to be detached for secondary reuse. The assembly mode can effectively ensure the installation positions and the height positions of a plurality of embedded parts, thereby improving the consistency of the embedded parts and ensuring the positioning precision of the embedded parts.
The utility model discloses a pre-buried construction method includes following step:
(a) preparing in an early stage of embedding:
the method comprises the steps of carrying out organization dispatching according to constructors, construction mechanical equipment, material materials and the like in construction organization design, making construction procedures, making early-stage construction preparation work, and ensuring that the early-stage pouring of the reinforced concrete is completed.
(b) Assembling an embedded part and a positioning die:
at first according to construction drawing design the utility model discloses built-in fitting specification and quantity will the utility model discloses the built-in fitting reaches the positioning steel sheet that is suitable for with it and assembles fixedly through assembly screw, then the utility model discloses scribble on the built-in fitting and scribble the waterproof interface of structure and glue, the waterproof interface of structure glue still is in not dry liquid this moment, and later stage built-in fitting installation is to the waterproof interface of reinforced concrete rear structure glue will be dry jointly with the concrete. The utility model discloses the built-in fitting is provided with the reticulation annular knurl, can effectively increase the attached retention of the waterproof interface of structure glue, and the waterproof interface of structure glue is the ideal binder that concrete and built-in fitting are connected, can make between concrete and built-in fitting compacter, bond, can effectively prevent the infiltration, the emergence of the scheduling problem that leaks, can protect the surface of concrete and built-in fitting simultaneously and prevent degradation and corruption.
(c) Positioning and adjusting the embedded part and fixing a positioning die:
and (3) carrying out foundation installation and positioning on the assembled embedded part and the positioning steel plate in modes of measurement, paying off and the like, installing the embedded part after positioning confirmation, and arranging full-time installation personnel for measurement and positioning to ensure accurate positioning of the embedded part. The utility model discloses have the protruding terminal surface of ball, can effectively avoid built-in fitting and structural steel conflict, also guaranteed construction quality when reducing the probability of doing over again, improved the efficiency of construction.
(d) Pouring concrete at one time:
and (3) carrying out one-time concrete pouring on the foundation of the embedded part after the installation, and checking the horizontal position, the elevation, the space between the embedded parts and the verticality of the embedded part by using a column center positioning cross line and a level gauge before the initial setting of the concrete.
(d) Dismantling an embedded part positioning die:
after the concrete reaches a certain strength, the assembling screws and the steel plates for positioning can be arranged to be dismounted under the condition that the embedded part is not disturbed, and the positioning steel plates and the internal threads of the embedded part are prevented from being damaged during dismounting. The utility model discloses the built-in fitting has the resistance to plucking structure, and the built-in fitting meets axial drawing power and is extracted when can avoiding demolising the location steel sheet, and when the resistance to plucking structure further ensured the location steadiness, can also effectively prevent rotatoryly, can avoid leading to the not hard up of built-in fitting because of the rotation.
(e) Quality inspection and acceptance:
marking the axis and elevation on the side surface of the concrete, checking and accepting the embedded part, filling checking and accepting data and handover records of the checking batch, and finally finishing construction.
The utility model discloses the built-in fitting carries out pre-buried installation through above-mentioned construction mode, and is easy and simple to handle, has improved work efficiency, has avoided the emergence of leaking, infiltration scheduling problem, has reduced the rework loss that causes because of the pre-buried piece off normal in the time of easy location.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. An embedment, characterized in that, embedment includes end piece, connecting piece and prevention of seepage water spare, wherein:
the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part;
the end face of the end piece facing away from the connector is convex;
the outer surface of the water seepage preventing piece is provided with a bulge and/or a groove.
2. The embedment of claim 1, wherein the end members are bulkier than the connecting members to form a pullout-resistant structure.
3. The embedment of claim 2, wherein the end members are provided with raised and/or recessed fastening portions.
4. An embedment according to claim 1, 2 or 3, wherein the end surface of the end member facing away from the connection member is spherically convex.
5. The embedment of claim 3, wherein there are at least two of said fastening portions, said at least two fastening portions being uniformly arranged about said circumferential array of connecting members.
6. The embedded part is characterized by comprising an end part, a connecting part and a water seepage prevention part; wherein:
the end part and the water seepage prevention part are respectively fixed at two opposite ends of the connecting part;
the end surface of the end part deviating from the connecting part is convex;
the outer surface of the watertight part is provided with a bulge and/or a groove.
7. The embedment of claim 6, wherein the end portions are enlarged as compared to the connection portions to form a pullout-resistant structure.
8. The embedment of claim 7, wherein the ends are provided with raised and/or recessed fastening structures.
9. The embedment of claim 6, 7 or 8, wherein the end surface of the end portion facing away from the connecting portion is spherically convex.
10. The embedment of claim 8, wherein there are at least two of said fastening structures, said at least two fastening structures being uniformly arranged about a circumferential array of said connection portions.
CN201920599069.9U 2019-04-28 2019-04-28 Embedded part Active CN210067058U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920599069.9U CN210067058U (en) 2019-04-28 2019-04-28 Embedded part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920599069.9U CN210067058U (en) 2019-04-28 2019-04-28 Embedded part

Publications (1)

Publication Number Publication Date
CN210067058U true CN210067058U (en) 2020-02-14

Family

ID=69449242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920599069.9U Active CN210067058U (en) 2019-04-28 2019-04-28 Embedded part

Country Status (1)

Country Link
CN (1) CN210067058U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809745A (en) * 2020-08-24 2020-10-23 法施达(大连)实业集团有限公司 In-situ replacement type auxiliary embedded part

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809745A (en) * 2020-08-24 2020-10-23 法施达(大连)实业集团有限公司 In-situ replacement type auxiliary embedded part
CN111809745B (en) * 2020-08-24 2022-03-25 法施达(大连)实业集团有限公司 In-situ replacement type auxiliary embedded part

Similar Documents

Publication Publication Date Title
CN210067058U (en) Embedded part
CN110185199A (en) A kind of half grouting connection sleeve of the automatic deviation correction for prefabricated post wall
CN208966022U (en) A kind of template poured for large-scale beam column
CN204566331U (en) A kind of sleeve barrel fixing device for building, syndeton, prefabricated board die structure and prefabricated board
CN109763571A (en) It is a kind of semicircle bolt snap ring assemblies and with its fix overhanging I-steel construction method
KR20170113478A (en) Construction method of cutting type rock bolt for tunnel support
CN108774947B (en) Ultra-high-strength concrete connection structure of assembled bridge pier column and construction method
CN110566229A (en) Rear-mounted duct piece structure of shield tunnel and mounting method
CN115613694A (en) Method for installing and positioning foundation bolts
CN205171839U (en) Reinforcing bar grout connecting sleeve
CN205134188U (en) Bury ground tackle deeply
CN210316557U (en) Concrete combined formwork frame for reserving support anchor bolt hole
CN211850031U (en) Installation device for concrete wall pre-buried support channel
CN211622568U (en) Building construction template
CN217953397U (en) Linear measuring device of concrete building full life cycle
CN206571799U (en) A kind of hollow bolt
CN112049034A (en) A quick assembly disassembly device that is used for circular concrete to reserve entrance to a cave
CN217401932U (en) Be used for coincide floor buried sleeve location structure in advance
CN205918128U (en) Shear force wall outer wall template bracket
CN211056557U (en) Tower crane foundation connection structure
CN220079986U (en) Control structure for pile foundation reinforcement cage protective layer thickness
CN216505883U (en) Positioning snap ring device for preventing mortar leakage of prefabricated part circular hole overhanging rib
CN213952994U (en) Template for building garden building house
CN109487823A (en) The accurate installation method of groove type embedded part in city integrated piping lane punching block system
CN108131024A (en) Build the restorative procedure of conversion layer in the tower Room

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant