CN109853617B - Suspended sliding type bolt jacking and reverse-pushing metal embedded part and construction process - Google Patents

Suspended sliding type bolt jacking and reverse-pushing metal embedded part and construction process Download PDF

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Publication number
CN109853617B
CN109853617B CN201910052980.2A CN201910052980A CN109853617B CN 109853617 B CN109853617 B CN 109853617B CN 201910052980 A CN201910052980 A CN 201910052980A CN 109853617 B CN109853617 B CN 109853617B
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bolt
reverse
rod
fixing
embedded
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CN109853617A (en
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徐振家
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Haimen Payuan Road & Bridge Construction Co ltd
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Haimen Payuan Road & Bridge Construction Co ltd
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Abstract

The invention provides a suspended bolt jacking and reverse-pushing metal embedded part and a construction process, wherein the embedded part comprises: hanging pulley round steel, a top-extending reverse-pushing bolt and nut bracket, an embedded part metal plate, a metal embedded part steel bar bent foot and a top-extending reverse-pushing bolt and nut, the suspended bolt jacking reverse-pushing metal embedded part is convenient and quick to install and accurate in positioning, the phenomenon of concave and uneven surfaces of the metal embedded part and concrete is thoroughly eliminated, the structural form of all metal pre-processed parts on the surface of the concrete structure in China at present is fundamentally solved by adopting a mode of connecting a metal plate and a steel bar, the installation process is finished by binding or welding the metal embedded part on the steel bar, due to the superposition of multiple factors such as the shaking of the reinforcing steel bar during construction, the deformation of the template and the distance error during measurement, the phenomenon of uneven concave shrinkage of the plane of the poured metal embedded part and the concrete is caused, the construction quality of the outer wall of the pipe gallery is greatly improved, and the condition of reworking caused by poor construction is reduced.

Description

Suspended sliding type bolt jacking and reverse-pushing metal embedded part and construction process
Technical Field
The invention relates to the technical field of pipe gallery construction, in particular to a suspended sliding type bolt jacking reverse thrust metal embedded part and a construction process.
Background
At present, in the concrete pouring construction process of a pipe gallery outer wall, a metal plate and a steel bar bent foot are welded and then positioned and bound or welded with a vertical steel bar, and in the installation and construction method of the metal embedded part, when concrete is poured, the metal embedded part is damaged by the pouring impact force of the concrete, so that the metal embedded part is bent, deformed and even broken, and the surface of the metal embedded part and the surface of the concrete are extremely prone to be uneven, so that the condition that the wall surface of a pipe gallery vertical wall is uneven after the concrete pouring construction is caused, and the construction standard condition cannot be met.
Disclosure of Invention
The invention provides a suspended sliding type bolt jacking and reverse pushing metal embedded part which is used for avoiding the condition that the outer wall of a pipe gallery is uneven after construction due to bending deformation of the metal embedded part.
The invention provides a suspended sliding type bolt jacking and reverse-pushing metal embedded part, which comprises: hanging pulley round steel, a top-extending reverse-pushing bolt and nut bracket, an embedded part metal plate, a metal embedded part steel bar bent foot and a top-extending reverse-pushing bolt and nut,
the embedded part metal plate is vertically arranged, fixing support rods are symmetrically arranged on the left sides of the upper end and the lower end of the embedded part metal plate, and one end, far away from the embedded part metal plate, of each fixing support rod is provided with the jacking reverse thrust bolt nut support;
a plurality of metal embedded part steel bar bent legs are arranged at intervals at the central position of one side of the embedded part metal plate, which is provided with the jacking and back-pushing bolt and nut support, and the jacking and back-pushing bolt and nut support is welded at one end far away from the embedded part metal plate;
and suspension pulley round steel is arranged between each extended-jacking reverse-pushing bolt nut bracket and the adjacent bent foot of the metal embedded part steel bar.
For reducing stretch top thrust bolt nut support with hang the condition that connecting portion rupture or deformation of pulley round steel in the use do, as preferred technical scheme does, fixed stay with stretch and still be equipped with the fixed bolster between the thrust bolt nut support, the fixed bolster is established to a plurality ofly, and its one end is fixed stretch the left end or the right-hand member of top thrust bolt nut support, and the other end is fixed on the circumference lateral wall of fixed stay, the fixed bolster is in fixed stay with stretch and form a triangle-shaped structure between the thrust bolt nut support.
The hanging sliding type bolt jacking and reverse pushing metal embedded part is arranged in a concrete pouring gap between the templates at a plurality of intervals in the using process, and then a pipe gallery outer wall is formed by pouring concrete, so that in the concrete pouring process, the hanging pulley round steel can deviate or deform, the deviation or deformation of the hanging pulley round steel in the using process is reduced, a horizontal reinforcing steel bar is arranged below the hanging pulley round steel as an optimal technical scheme, and the horizontal reinforcing steel bar and the hanging pulley round steel are arranged in a cross mode.
The hanging sliding type bolt extending and jacking reverse-pushing metal embedded part is arranged in a concrete pouring gap between the templates at a plurality of intervals in the using process, and then a pipe gallery outer wall is formed by pouring concrete, so that the condition that the hanging pulley round steel deviates or deforms can be caused in the concrete pouring process, the condition that the hanging pulley round steel deviates or deforms in the using process is reduced, the hanging sliding type bolt extending and jacking reverse-pushing metal embedded part is arranged in a plurality of intervals and is arranged in the concrete pouring gap between the templates, and two ends of the horizontal reinforcing steel bars are connected with each other one by one and fixed into a whole.
In order to ensure that the suspension sliding type bolt extends to push against the metal embedded parts in the splicing process, the suspension pulley round steel can be mutually fixed into a whole one by one, as a preferred technical scheme,
the device comprises a hanging sliding type bolt extending and pushing reverse pushing metal embedded part, and is characterized in that a fixing buckle is arranged at one end of the horizontal steel bar, the fixing buckle is of a conical barrel structure, a small opening end of the fixing buckle is fixedly connected with the horizontal steel bar, a large opening end of the fixing buckle is used for being sleeved at one end of the horizontal steel bar which is adjacent to the hanging sliding type bolt extending and pushing reverse pushing metal embedded part and in butt joint with one of the horizontal steel bar, and the butt joint end of the horizontal steel bar is the.
In order to ensure that the suspension sliding type bolt extends to push against the metal embedded parts in the splicing process, the suspension pulley round steel can be mutually fixed into a whole one by one, as a preferred technical scheme,
the horizontal steel bar is provided with a first boss and a second boss at intervals at one end of the fixing buckle, the first boss is arranged at the end part of the horizontal steel bar, and the fixing buckle is arranged between the first boss () and the second boss.
In order to ensure that the suspension sliding type bolt extends to push against the metal embedded parts in the splicing process, the suspension pulley round steel can be mutually fixed into a whole one by one, as a preferred technical scheme,
a limiting ring is arranged between the second boss and the fixing buckle, a plurality of notches are formed in the side wall of the large-opening end of the fixing buckle at intervals, threads are arranged on the inner side wall of the limiting ring, and threads for fixing the limiting ring are also arranged on the outer side plate of the fixing buckle.
In order to ensure that the suspension sliding type bolt extends to push against the metal embedded parts in the splicing process, the suspension pulley round steel can be mutually fixed into a whole one by one, as a preferred technical scheme,
be equipped with the gim peg on the spacing ring, the gim peg is established to U type structure, the horizontal reinforcement is kept away from the one end of fixed knot is equipped with the third arch, the bellied circumference lateral wall interval of third is equipped with a plurality of spacing grooves, the spacing groove supplies the gim peg is kept away from the one end of spacing ring is fixed.
In order to ensure that the suspension sliding type bolt extends to push against the metal embedded parts in the splicing process, the suspension pulley round steel can be mutually fixed into a whole one by one, as a preferred technical scheme,
the fixing bolt comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, one end of the first connecting rod is arranged on the limiting ring, the other end of the first connecting rod is fixedly connected with the second connecting rod, the second connecting rod and the third connecting rod are sleeved, and one end, far away from the second connecting rod, of the third connecting rod is fixedly connected with the fourth connecting rod;
a first spring groove is formed in the limiting ring, a first spring is arranged in the first spring groove, the first connecting rod is movably arranged in the first spring groove up and down, one end of the first spring is fixed at the bottom of the first spring groove, and the other end of the first spring is fixed at one end, far away from the second connecting rod, of the first connecting rod;
the second connecting rod is close to the one end of first connecting rod is equipped with second spring groove, the second spring inslot is equipped with the second spring, the one end of second spring is fixed the left side tank bottom portion in second spring groove, the other end of second spring with third connecting rod fixed connection, second spring groove supplies the third connecting rod is in the activity of making a round trip about the second spring inslot.
The invention also provides a construction process, which comprises the steps of constructing by using the template and the suspended sliding bolt jacking and reverse pushing metal embedded part, wherein the template comprises an inner template and an outer template, a concrete pouring gap is arranged between the inner template and the outer template, and a plurality of concrete cavity reinforcing steel bars are vertically arranged in the concrete pouring gap; the method comprises the following steps:
hanging the suspended sliding type bolt jacking reverse-pushing metal embedded part on a horizontal rib at a standard height of a drawing paper by using a suspended pulley round steel on the suspended sliding type bolt jacking reverse-pushing metal embedded part;
after the template is integrally positioned, a long-handle electric wrench is used for extending into the concrete cavity, and a bolt on the extended-jacking reverse-pushing bolt nut support is rotated to extend to the side plate on the other side to form reverse-pushing pressure, so that the embedded part metal plate is tightly attached to the template;
fixing one side, far away from the jacking reverse-pushing bolt and nut support, of the embedded part metal plate on the left side of the inner side template through a fixing pin, and fixing the threaded end of the jacking reverse-pushing bolt and nut on the right side wall of the outer side template;
and after the left side and the right side of the suspended sliding type bolt jacking and reverse pushing metal embedded part are uniformly fixed between the inner side template and the outer side template, respectively binding and fixing the concrete cavity reinforcing steel bars, the bent legs of the metal embedded part reinforcing steel bars and the suspended pulley round steel bars one by one.
The construction advantages of the suspended sliding type bolt jacking and reverse pushing metal embedded part provided by the invention are as follows:
the suspended sliding type bolt top-extending reverse-pushing metal embedded part is convenient and quick to install and accurate in positioning, the phenomenon of uneven concave shrinkage of the plane of the metal embedded part and the plane of concrete is thoroughly eliminated, the problems that the structural form of all metal pre-processed parts on the surface of a concrete structure at present is manufactured in a mode of connecting metal plates and reinforcing steel bars are fundamentally solved, the installation process is completed by binding or welding the metal embedded part on the reinforcing steel bars, due to the fact that the reinforcing steel bars are shaken during construction, the deformation of a template and the distance error during measurement are overlapped, the phenomenon of uneven concave shrinkage of the plane of the poured metal embedded part and the plane of the concrete is caused, the construction quality of the outer wall of the pipe gallery is greatly improved, and the condition of rework caused by poor construction is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a suspended sliding type bolt jacking and reverse-pushing metal embedded part provided by the invention;
FIG. 2 is a schematic view of a connection structure of a jacking reverse thrust bolt and nut bracket provided by the invention;
FIG. 3 is a schematic diagram of construction of a suspended sliding type bolt jacking and reverse pushing metal embedded part provided by the invention;
FIG. 4 is a schematic view of a fixing buckle structure provided in the present invention;
FIG. 5 is a schematic view of a notch structure provided in the present invention;
FIG. 6 is a schematic view of a third boss structure provided in the present invention
FIG. 7 is a schematic view of a connection structure of a fixing bolt and a limiting groove according to the present invention;
FIG. 8 is a schematic view of the connection structure of the fixing buckle and the horizontal reinforcing bar according to the present invention;
wherein, 1-hanging pulley round steel, 2-extending top reverse-pushing bolt and nut bracket, 3-embedded part metal plate, 4-metal embedded part steel bar bent foot, 5-extending top reverse-pushing bolt and nut, 6-long handle electric wrench, 7-outer side template, 8-inner side template, 9-concrete cavity steel bar, 10-fixed bracket, 11-horizontal steel bar, 12-fixed buckle, 13-first boss, 14-second boss, 15-spacing ring, 16-notch, 17-fixed bolt, 18-third boss, 19-spacing groove, 20-first spring groove, 21-first spring, 22-second spring, 23-second spring groove, 24-first connecting rod, 25-second connecting rod, 26-third connecting rod, 27-fourth connecting rod, 28-fixing the strut.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to fig. 1 and 2, an embodiment of the invention provides a suspended sliding bolt jacking and back-pushing metal embedded part, which comprises: a hanging pulley round steel 1, a top-extending reverse-pushing bolt nut bracket 2, an embedded part metal plate 3, a metal embedded part steel bar bent foot 4 and a top-extending reverse-pushing bolt nut 5,
the embedded part metal plate 3 is vertically arranged, the left sides of the upper end and the lower end of the embedded part metal plate 3 are symmetrically provided with fixed support rods 28, and one end, far away from the embedded part metal plate 3, of each fixed support rod 28 is provided with the jacking reverse thrust bolt nut bracket 2;
a plurality of metal embedded part steel bar bent legs 4 are arranged at intervals at the central position of one side of the embedded part metal plate 3, which is provided with the jacking and reverse-pushing bolt and nut support 2, and one end of the jacking and reverse-pushing bolt and nut support 2, which is far away from the embedded part metal plate 3, is welded with a jacking and reverse-pushing bolt and nut 5;
and a suspension pulley round steel 1 is arranged between each extended-jacking reverse-pushing bolt nut support 2 and the adjacent metal embedded part steel bar bent foot 4.
The manufacturing process of the suspended sliding type bolt jacking reverse thrust metal embedded part comprises the following steps:
welding the top-extending reverse-pushing bolt and nut 5 on the top-extending reverse-pushing bolt and nut support 2;
connecting the jacking reverse-thrust bolt and nut support 2 with the embedded part metal plate 3;
welding the suspension pulley round steel 1 and the embedded part metal plate 3;
welding the bent feet 4 of the metal embedded part steel bars on the embedded part metal plate 3 to complete the manufacture of the suspended sliding type bolt jacking and reverse pushing metal embedded part.
As shown in fig. 3, in the construction process provided by the invention, a template and the suspended sliding bolt jacking and back-pushing metal embedded part are used for construction, the template comprises an inner template 8 and an outer template 7, a concrete pouring gap is arranged between the inner template 8 and the outer template 7, and a plurality of concrete cavity reinforcing steel bars 9 are vertically arranged in the concrete pouring gap; the method comprises the following steps:
hanging the suspended sliding type bolt jacking reverse-pushing metal embedded part on a horizontal rib at a specified height of drawing paper by using a suspended pulley round steel 1 on the suspended sliding type bolt jacking reverse-pushing metal embedded part;
after the template is integrally positioned, a long-handle electric wrench 6 is used for extending into the concrete cavity, and the bolt on the jacking reverse-pushing bolt nut support 2 is rotated to jack the side plate on the other side to form reverse-pushing pressure, so that the embedded part metal plate 3 is tightly attached to the template;
fixing one side, far away from the jacking and reverse pushing bolt and nut support 2, of the embedded part metal plate 3 on the left side of the inner side template 8 through a fixing pin, and fixing the threaded end of the jacking and reverse pushing bolt and nut 5 on the right side wall of the outer side template 7;
when the left side and the right side of the suspended sliding type bolt jacking reverse-pushing metal embedded part are uniformly fixed between the inner side template 8 and the outer side template 7, the concrete cavity reinforcing steel bars 9, the metal embedded part reinforcing steel bar bent feet 4 and the suspended pulley round steel bars 1 are bound and fixed one by one respectively.
The working principle is as follows:
the construction of the outer wall of the pipe gallery is that after the construction of the low wall of the pipe gallery is finished, the two sides of the low wall of the pipe gallery are assembled and fixed by using the templates, and then the concrete is poured into the assembled templates, so that the construction of the outer wall of the pipe gallery is realized; the formwork comprises an inner formwork 8 and an outer formwork 7, a concrete pouring gap is formed between the inner formwork 8 and the outer formwork 7 and used for pouring concrete and forming a pipe gallery side wall, a plurality of concrete cavity reinforcing steel bars 9 are vertically arranged in the concrete pouring gap, and the concrete cavity reinforcing steel bars 9 are used for reinforcing the overall structural strength of the pipe gallery side wall after pouring; when the suspended sliding type bolt jacking and reverse-pushing metal embedded part fixing device is used, the right side of the suspended sliding type bolt jacking and reverse-pushing metal embedded part is fixed on the left side wall of the inner side template 8, namely one side, away from the jacking and reverse-pushing bolt nut support 2, of the embedded part metal plate 3 is fixed on the left side of the inner side template 8 through a fixing pin; and then fixing the left side of the suspended sliding type bolt jacking and back-pushing metal embedded part on the right side wall of the outer side template 7 by using the long-handle electric wrench, namely fixing the threaded end of the jacking and back-pushing bolt nut 5 on the right side wall of the outer side template 7, so that the suspended sliding type bolt jacking and back-pushing metal embedded part fixes the distance between the inner side template 8 and the outer side template 7 to be consistent, avoiding the condition that the side wall of the pipe gallery formed by pouring is distorted and uneven due to the deviation of the distance between the inner side template 8 and the outer side template 7 in the concrete pouring process, and fixing the left side and the right side of the suspended sliding type bolt jacking and back-pushing metal embedded part between the inner side template 8 and the outer side template 7, and then fixing the concrete cavity reinforcing steel bars 9 and the metal embedded part reinforcing steel bar bent feet 4, And the suspension pulley round steels 1 are respectively bound and fixed one by one, so that the metal embedded part steel bar bent feet 4 and the concrete cavity steel bars 9 are not easy to deform in the concrete pouring process, and the construction strength of the side wall of the pipe gallery is ensured.
The construction advantages of the suspended sliding type bolt jacking and reverse pushing metal embedded part provided by the invention are as follows:
the suspended sliding type bolt top-extending reverse-pushing metal embedded part is convenient and quick to install and accurate in positioning, the phenomenon of uneven concave shrinkage of the plane of the metal embedded part and the plane of concrete is thoroughly eliminated, the problems that the structural form of all metal pre-processed parts on the surface of a concrete structure at present is manufactured in a mode of connecting metal plates and reinforcing steel bars are fundamentally solved, the installation process is completed by binding or welding the metal embedded part on the reinforcing steel bars, due to the fact that the reinforcing steel bars are shaken during construction, the deformation of a template and the distance error during measurement are overlapped, the phenomenon of uneven concave shrinkage of the plane of the poured metal embedded part and the plane of the concrete is caused, the construction quality of the outer wall of the pipe gallery is greatly improved, and the condition of rework caused by poor construction is reduced.
According to fig. 2, in order to reduce the situation that the connecting portion of the top-extending reverse-pushing bolt and nut support 2 and the hanging pulley round steel 1 is broken or deformed in the using process, as an optimal technical scheme, the fixing support rod 28 and the fixing support 10 are further arranged between the top-extending reverse-pushing bolt and nut support 2, the fixing support 10 is arranged in a plurality, one end of the fixing support rod is fixed at the left end or the right end of the top-extending reverse-pushing bolt and nut support 2, the other end of the fixing support rod is fixed on the circumferential side wall of the fixing support rod 28, and the fixing support rod 28 and the top-extending reverse-pushing bolt and nut support 2 form a triangular structure. Through fixed branch 28 with stretch to push up and set up between the backstepping bolt nut support 2 fixed bolster 10, but greatly increased hang pulley round steel 1 with stretch to push up the structural strength between the backstepping bolt nut support 2, reduce stretch to push up and backstepping bolt nut support 2 break appears in the use or hang the condition of pulley round steel 1 bending deformation, greatly increased hang the slidingtype bolt and stretch to push up the purpose of construction roughness and structural strength of backstepping metal built-in fitting in the piping lane lateral wall work progress.
According to the technical scheme, as shown in fig. 1 and fig. 2, the suspended sliding type bolt jacking and reverse pushing metal embedded part is arranged in a concrete pouring gap between the templates at a plurality of intervals in the using process, and then the concrete is poured to form a pipe gallery outer wall, so that the suspended pulley round steel 1 deviates or deforms in the concrete pouring process, and in order to reduce the deviation or deformation of the suspended pulley round steel 1 in the using process, a horizontal steel bar 11 is arranged below the suspended pulley round steel 1, and the horizontal steel bar 11 and the suspended pulley round steel 1 are arranged in a cross mode. The suspended sliding type bolt jacking and reverse pushing metal embedded parts are multiple and arranged in concrete pouring gaps between the templates at intervals, and two ends of the horizontal reinforcing steel bars 11 are connected with each other one by one and fixed into a whole. And connecting and fixing a plurality of suspended sliding type bolt jacking and backstepping metal embedded parts in the concrete pouring gap through the horizontal reinforcing steel bars 11 one by one, further enhancing the structural strength of the suspended sliding type bolt jacking and backstepping metal embedded parts in the concrete pouring gap, and reducing the situation that the suspended sliding type bolt jacking and backstepping metal embedded parts are tilted and deformed in the concrete pouring gap.
According to fig. 4, in order to ensure that the suspended sliding type bolt extends and pushes back the metal embedded part in the splicing process, the suspended pulley round steel 1 can be fixed into a whole one by one, as an optimal technical scheme, one end of the horizontal steel bar 11 is provided with a fixing buckle 12, the fixing buckle 12 is set into a conical cylinder structure, a small end of the fixing buckle 12 is fixedly connected with the horizontal steel bar 11, a large end of the fixing buckle 12 is used for being sleeved on one end of one butted horizontal steel bar 11 adjacent to the suspended sliding type bolt extends and pushes back the metal embedded part, and a butt end of the horizontal steel bar 11 is the end of the horizontal steel bar 11 far away from the fixing buckle 12. When the metal embedded part fixing device is used, the suspended sliding type bolt extending and pushing back-pushing metal embedded parts are installed in the inner die in a one-to-one adjacent mode, the horizontal reinforcing steel bars 11 on the suspended sliding type bolt extending and pushing back-pushing metal embedded parts are enabled to be adjacent to each other, the adjacent horizontal reinforcing steel bars 11 are fixed through the fixing buckles 12, and therefore the adjacent suspended sliding type bolt extending and pushing back-pushing metal embedded parts are fixed. The big opening end of the fixing buckle 12 is buckled at one end, far away from the fixing buckle 12, of the horizontal steel bar 11 of the adjacent suspension sliding type bolt jacking reverse thrust metal embedded part. Can guarantee adjacently hang the slidingtype bolt and stretch a reverse thrust metal built-in fitting and be in realize fixed purpose in the concrete placement clearance to improve the roughness of piping lane outer wall construction.
According to the technical scheme, as shown in fig. 4, in order to ensure that the suspended sliding type bolt extends to push against the metal embedded part in the splicing process, the suspended pulley round steel 1 can be fixed into a whole one by one, as an optimal technical scheme, one end of the horizontal steel bar 11, which is provided with the fixing buckle 12, is further provided with a first boss 13 and a second boss 14 at intervals, the first boss 13 is arranged at the end part of the horizontal steel bar 11, and the fixing buckle 12 is arranged between the first boss 13 and the second boss 14. The first lug boss 13 with be used for between the second lug boss 14 the fixed knot 12 is made a round trip to move about, guarantees fixed knot 12 can smoothly when using with the adjacent horizontal reinforcement 11 that need assemble carries out the dismouting to realize fixed or the purpose of dismantling.
According to the scheme shown in fig. 5, in order to ensure that the suspended sliding type bolt extends to push against the metal embedded part in the splicing process, the suspended pulley round steel 1 can be fixed into a whole one by one, as an optimal technical scheme, the second boss 14 and the fixing buckle 12 are provided with the limiting ring 15, the side wall of the large opening end of the fixing buckle 12 is provided with a plurality of notches 16 at intervals, the inner side wall of the limiting ring 15 is provided with threads, and the outer side plate of the fixing buckle 12 is also provided with threads for fixing the limiting ring 15. When the fixing buckle is used, the large opening end of the fixing buckle 12 is sleeved on the adjacent horizontal steel bars 11, the limiting ring 15 moves from the small opening end of the fixing buckle 12 to the large opening end, and the limiting ring 15 and the fixing buckle 12 are connected with each other through threads, so that when the limiting ring 15 moves from the small opening end of the fixing buckle 12 to the large opening end, the large opening end of the fixing buckle 12 is tightened, and the adjacent two horizontal steel bars 11 are fixed into a whole.
According to fig. 6, in order to ensure that the suspended sliding type bolt extends to push against the metal embedded part in the splicing process, the suspended pulley round steel 1 can be fixed into a whole one by one, as a preferred technical scheme, a fixing bolt 17 is arranged on a limiting ring 15, the fixing bolt 17 is set to be of a U-shaped structure, a third protrusion 18 is arranged at one end, away from a fixing buckle 12, of a horizontal steel bar 11, a plurality of limiting grooves 19 are arranged at intervals on the circumferential side wall of the third protrusion 18, and the limiting grooves 19 are used for fixing one end, away from the limiting ring 15, of the fixing bolt 17. When the fixing buckle is used, the fixing buckle 12 is buckled at one end of the adjacent horizontal steel bar 11, when the limiting ring 15 completely buckles the fixing buckle 12 at the adjacent horizontal steel bar 11, the fixing bolt 17 is pulled open, and one end, far away from the limiting ring 15, of the fixing bolt 17 is buckled in one limiting groove 19 of the third bulge 18 of the adjacent horizontal steel bar 11, so that the fixing ring 15 can be prevented from slipping and loosening in the concrete pouring process, and the structural stability of the suspended sliding type bolt top-extending reverse-pushing metal embedded part in the splicing process can be enhanced.
According to the illustration in fig. 7 and 8, in order to ensure that the suspended sliding bolt extends and pushes back the metal embedded part in the splicing process, the suspended pulley round steel 1 can be fixed into a whole one by one, as a preferred technical solution, the fixing bolt 17 includes a first connecting rod 24, a second connecting rod 25, a third connecting rod 26 and a fourth connecting rod 27, one end of the first connecting rod 24 is arranged on the limiting ring 15, the other end of the first connecting rod 24 is fixedly connected with the second connecting rod 25, the second connecting rod 25 is sleeved with the third connecting rod 26, and one end of the third connecting rod 26 far away from the second connecting rod 25 is fixedly connected with the fourth connecting rod 27;
a first spring groove 20 is formed in the limiting ring 15, a first spring 21 is arranged in the first spring groove 20, the first connecting rod 24 is movably arranged in the first spring groove 20 up and down, one end of the first spring 21 is fixed at the bottom of the first spring groove 20, and the other end of the first spring 21 is fixed at one end of the first connecting rod 24 away from the second connecting rod 25;
the second connecting rod 25 is close to the one end of first connecting rod 24 is equipped with second spring groove 23, be equipped with second spring 22 in the second spring groove 23, the one end of second spring 22 is fixed the left side tank bottom portion of second spring groove 23, the other end of second spring 22 with third connecting rod 26 fixed connection, second spring groove 23 supplies third connecting rod 26 is in the activity of making a round trip to the left and right sides in the second spring groove 23.
When in use, the fixing bolt 17 is lifted upwards, the first link 24 drives the first spring 21 to be pulled upwards under the action of the lifting upwards, and the first link 24 moves upwards in the first spring groove 20; and then the third connecting rod 26 is pulled rightwards, when the third connecting rod 26 is pulled rightwards, the second spring 22 is driven to be stretched rightwards, the third connecting rod 26 moves rightwards in the second spring groove 23, and finally, one end, far away from the third connecting rod 26, of the fourth connecting rod 27 is inserted into the limiting groove 19, so that the fixing of the fixing bolt 17 and the limiting groove 19 can be realized, the fixing ring 15 can be ensured not to slip and loosen in the using process, and the structural stability of the suspended sliding type bolt extending-top reverse-pushing metal embedded part in the splicing process is enhanced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (1)

1. A construction process comprises using a template and a suspended sliding bolt to extend and push against a metal embedded part for construction,
hang slidingtype bolt and stretch a reverse thrust metal built-in fitting and include: hanging pulley round steel (1), a top-extending reverse-pushing bolt nut bracket (2), an embedded part metal plate (3), a metal embedded part steel bar bent foot (4) and a top-extending reverse-pushing bolt nut (5),
the embedded part metal plate (3) is vertically arranged, fixing support rods (28) are symmetrically arranged on the left sides of the upper end and the lower end of the embedded part metal plate (3), and the jacking reverse thrust bolt nut bracket (2) is arranged at one end, far away from the embedded part metal plate (3), of each fixing support rod (28);
a plurality of metal embedded part steel bar bent feet (4) are arranged at intervals at the central position of one side of the embedded part metal plate (3) provided with the jacking reverse-pushing bolt nut bracket (2), and jacking reverse-pushing bolt nuts (5) are welded at one ends of the jacking reverse-pushing bolt nut bracket (2) far away from the embedded part metal plate (3);
suspension pulley round steel (1) is arranged between each jacking reverse-thrust bolt nut bracket (2) and the adjacent metal embedded part steel bar bent foot (4);
a plurality of fixing supports (10) are further arranged between the fixing support rod (28) and the top-extending reverse-pushing bolt and nut support (2), one end of each fixing support (10) is fixed at the left end or the right end of the top-extending reverse-pushing bolt and nut support (2), the other end of each fixing support is fixed on the circumferential side wall of the fixing support rod (28), and a triangular structure is formed between the fixing support rod (28) and the top-extending reverse-pushing bolt and nut support (2) by the fixing supports (10);
a horizontal steel bar (11) is arranged below the suspension pulley round steel (1), and the horizontal steel bar (11) and the suspension pulley round steel (1) are arranged in a cross manner;
the suspended sliding type bolt jacking and reverse pushing metal embedded parts are multiple and are arranged in concrete pouring gaps among the templates at intervals, and two ends of the horizontal steel bars (11) are connected and fixed into a whole;
one end of the horizontal steel bar (11) is provided with a fixing buckle (12), the fixing buckle (12) is of a conical cylinder structure, a small opening end of the fixing buckle (12) is fixedly connected with the horizontal steel bar (11), a large opening end of the fixing buckle (12) is used for being sleeved at one end of one butted horizontal steel bar (11) of one of the adjacent suspended sliding type bolt jacking and reverse pushing metal embedded parts, and the butted end of the horizontal steel bar (11) is the end of the horizontal steel bar (11) far away from the fixing buckle (12);
a first boss (13) and a second boss (14) are further arranged at one end, provided with the fixing buckle (12), of the horizontal steel bar (11) at intervals, the first boss (13) is arranged at the end part of the horizontal steel bar (11), and the fixing buckle (12) is arranged between the first boss (13) and the second boss (14);
a limiting ring (15) is arranged between the second boss (14) and the fixing buckle (12), a plurality of notches (16) are arranged at intervals on the side wall of the large opening end of the fixing buckle (12), threads are arranged on the inner side wall of the limiting ring (15), and threads for fixing the limiting ring (15) are also arranged on the outer side plate of the fixing buckle (12);
a fixing bolt (17) is arranged on the limiting ring (15), the fixing bolt (17) is of a U-shaped structure, a third bulge (18) is arranged at one end, far away from the fixing buckle (12), of the horizontal steel bar (11), a plurality of limiting grooves (19) are formed in the circumferential side wall of the third bulge (18) at intervals, and the limiting grooves (19) are used for fixing one end, far away from the limiting ring (15), of the fixing bolt (17);
the fixing bolt (17) comprises a first connecting rod (24), a second connecting rod (25), a third connecting rod (26) and a fourth connecting rod (27), one end of the first connecting rod (24) is arranged on the limiting ring (15), the other end of the first connecting rod (24) is fixedly connected with the second connecting rod (25), the second connecting rod (25) and the third connecting rod (26) are sleeved, and one end, far away from the second connecting rod (25), of the third connecting rod (26) is fixedly connected with the fourth connecting rod (27);
a first spring groove (20) is formed in the limiting ring (15), a first spring (21) is arranged in the first spring groove (20), the first connecting rod (24) is movably arranged in the first spring groove (20) up and down, one end of the first spring (21) is fixed to the bottom of the first spring groove (20), and the other end of the first spring (21) is fixed to the end, far away from the second connecting rod (25), of the first connecting rod (24);
a second spring groove (23) is formed in one end, close to the first connecting rod (24), of the second connecting rod (25), a second spring (22) is arranged in the second spring groove (23), one end of the second spring (22) is fixed to the bottom of the left side groove of the second spring groove (23), the other end of the second spring (22) is fixedly connected with the third connecting rod (26), and the second spring groove (23) enables the third connecting rod (26) to move back and forth left and right in the second spring groove (23);
the formwork comprises an inner formwork (8) and an outer formwork (7), a concrete pouring gap is formed between the inner formwork (8) and the outer formwork (7), and a plurality of concrete cavity reinforcing steel bars (9) are vertically arranged in the concrete pouring gap; the method is characterized by comprising the following steps:
hanging the suspended sliding type bolt jacking reverse-pushing metal embedded part on a horizontal rib at a specified height of drawing paper by using a suspended pulley round steel (1) on the suspended sliding type bolt jacking reverse-pushing metal embedded part;
after the template is integrally positioned, a long-handle electric wrench (6) is used for extending into the concrete cavity, and a bolt on the jacking reverse-pushing bolt nut support (2) is rotated to jack the side plate on the other side to form reverse-pushing pressure, so that the embedded part metal plate (3) is tightly attached to the template;
fixing one side, far away from the jacking reverse-thrust bolt and nut support (2), of the embedded part metal plate (3) on the left side of the inner side template (8) through a fixing pin, and fixing the threaded end of the jacking reverse-thrust bolt and nut (5) on the right side wall of the outer side template (7);
and after the left side and the right side of the suspended sliding type bolt jacking reverse-pushing metal embedded part are uniformly fixed between the inner side template (8) and the outer side template (7), respectively binding and fixing the concrete cavity reinforcing steel bars (9), the metal embedded part reinforcing steel bar bent feet (4) and the suspended pulley round steel (1) one by one.
CN201910052980.2A 2019-01-21 2019-01-21 Suspended sliding type bolt jacking and reverse-pushing metal embedded part and construction process Active CN109853617B (en)

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CN111058644A (en) * 2019-12-03 2020-04-24 中启胶建集团有限公司 Ultrahigh-precision rapid construction process for ground intensive embedded parts of large-area cold storage
CN111691458A (en) * 2020-06-22 2020-09-22 福建省华策建设集团有限公司 Construction method of comprehensive pipe rack support

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CN106968347A (en) * 2017-04-13 2017-07-21 青岛建设集团有限公司 A kind of wall heavy steel plate built-in fitting construction
CN107882344A (en) * 2017-11-16 2018-04-06 北京首钢建设集团有限公司 A kind of installation of embedded parts bolt fixing means
CN209941737U (en) * 2019-01-21 2020-01-14 海门市帕源路桥建设有限公司 Suspended sliding type bolt jacking and reverse pushing metal embedded part

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CN102747746A (en) * 2012-07-25 2012-10-24 中国二十二冶集团有限公司 Device and method for mounting and leveling foundation ring of fan
CN103790377A (en) * 2012-10-29 2014-05-14 五冶集团上海有限公司 Heavy embedded part ultrahigh mounting precision control method
CN105386438A (en) * 2015-10-19 2016-03-09 中铁城建集团第三工程有限公司 Manual hole digging pile arm guard suspension construction formwork system and construction method thereof
CN106049537A (en) * 2016-08-04 2016-10-26 中国华冶科工集团有限公司 Comprehensive pipe gallery embedded part fixing device and fixing method thereof
CN106968347A (en) * 2017-04-13 2017-07-21 青岛建设集团有限公司 A kind of wall heavy steel plate built-in fitting construction
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CN209941737U (en) * 2019-01-21 2020-01-14 海门市帕源路桥建设有限公司 Suspended sliding type bolt jacking and reverse pushing metal embedded part

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