CN114250969A - Stupefied connecting device of back of body for clear water concrete template is consolidated - Google Patents
Stupefied connecting device of back of body for clear water concrete template is consolidated Download PDFInfo
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- CN114250969A CN114250969A CN202111461677.1A CN202111461677A CN114250969A CN 114250969 A CN114250969 A CN 114250969A CN 202111461677 A CN202111461677 A CN 202111461677A CN 114250969 A CN114250969 A CN 114250969A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000009415 formwork Methods 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/001—Corner fastening or connecting means for forming or stiffening elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G2017/008—Pin and hole connection type
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of building template components, in particular to a back ridge connecting device for reinforcing a bare concrete template, which comprises a connecting piece, wherein the connecting piece comprises a first fixing piece and a second fixing piece rotationally connected with the first fixing piece, the first fixing piece and the second fixing piece cover the side surface, the upper surface and the lower surface of a main back ridge, and a plurality of second connecting holes corresponding to a plurality of first connecting holes on the main back ridge are formed in the first fixing piece and the second fixing piece; when the rotation angle of the first fixing piece and the second fixing piece is less than 180 degrees, the connection of two crossed main back ridges at the external corner is realized; when the rotation angle of the first fixing piece and the second fixing piece is larger than 180 degrees, the connection of two crossed main back edges at the internal corner is realized, the universality of the connecting piece is improved, and the working efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of building template components, in particular to a back ridge connecting device for reinforcing a bare concrete template.
Background
The bare concrete is molded by one-step casting, does not have any external decoration, and is the highest expression form in concrete materials. In the clear water concrete work progress, need adopt the template to erect constructional column or template for the wall, the template is cramped fixedly by the reinforcement system that the reinforcement frame constitutes through vertical time stupefied back of the body, for satisfying modern construction requirements, the reinforcement frame not only needs enough intensity in order to provide the safety guarantee, should still make things convenient for the dismouting simultaneously to reuse turnover and improvement set up efficiency, thereby reduce construction cost. The appearance quality of the fair-faced concrete can be directly determined by the good and bad installation of the template.
At present, the reinforcing frame comprises the horizontal main back of the body stupefied and connecting piece, but current connecting piece troublesome poeration can use external corner tool to lock and reentrant corner tool to lock now in the stupefied installation of horizontal main back of the body simultaneously, has just so caused the connecting piece can not general and categorised very troublesome phenomenon of use, can consume the time of selecting the connecting piece at the in-process of installation, and then can reduce work efficiency.
In view of the above problems, the inventor of the present invention actively researches and innovates based on practical experience and professional knowledge that is rich for many years when engaged in engineering application of such products, in order to create a back-ridge connecting device for reinforcing bare concrete formworks, closely connect each back ridge into a reinforcing frame, and firmly reinforce all formworks into a whole through the reinforcing frame and the vertical back ridge, thereby realizing accurate and uniform cross-sectional dimension of members, reducing vertical leveling error of wall surface, and having more practicability.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a stupefied connecting device of back of body is used in reinforcement of clear water concrete template improves the commonality of connecting piece to improve work efficiency, realize the zonulae occludens of connecting piece and back of the body simultaneously, promote concrete apparent quality, reduce later stage repair cost.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a clear water concrete template consolidates with stupefied connecting device of back of body, is stupefied including two main backs that are located same horizontal plane, still includes the connecting piece, the connecting piece include first mounting and with first mounting rotates the second mounting of connecting, first mounting with the second mounting covers the stupefied side of main back of body and two upper and lower surfaces, just first mounting with be equipped with on the second mounting with a plurality of second connecting holes that a plurality of first connecting holes on the stupefied of main back of body correspond.
Further, the tip of first mounting is equipped with first connecting portion, the tip of second mounting is equipped with the second connecting portion, first connecting portion with the setting of second connecting portion block is connected through the fixed axle rotation.
Furthermore, the first connecting portion with the second connecting portion are relatively equipped with first step face and second step face, first step face with second step face department is equipped with first contact surface and second contact surface, first contact surface with the tip rolling contact of second connecting portion, the second contact surface with the tip rolling contact of first connecting portion.
Further, the first connecting portion, the second connecting portion, the first contact surface and the second contact surface are all in a circular streamline shape.
Furthermore, the end parts of the first connecting part and the second connecting part are provided with a main hinge part and an auxiliary hinge part, the main hinge part and the auxiliary hinge part are relatively provided with a plurality of clamping grooves and a plurality of bulges, fixing bolts are arranged perpendicular to the clamping grooves and the bulges, and the main hinge part and the auxiliary hinge part are rotatably connected through the fixing bolts.
Further, the primary hinge is located on an extension line of a side surface of the first fixing member, and the secondary hinge is located on an extension line of a side surface of the second fixing member.
Furthermore, a first limiting surface and a second limiting surface are arranged on the first connecting part and the second connecting part in the direction towards the main back edge;
a first included angle between the first limiting surface and the side surface of the first fixing piece is equal to a second included angle between the second limiting surface and the side surface of the second fixing piece, and the sum of the first included angle and the second included angle is smaller than 90 degrees.
Furthermore, the fixing device also comprises a fastening component, and the first fixing piece and the second fixing piece are fixedly connected with the template through the fastening component sequentially penetrating through the main back edge and the secondary back edge vertical to the main back edge.
Furthermore, the fastening assembly comprises a rotating shaft, an anti-rotation nut and a rack fixed inside the main back ridge;
the one end of rotation axis is equipped with the grab handle, and the other end passes the template and is fixed with the nut spiro union, the rotation axis is relative rack department is equipped with meshing portion, prevent that the nut spiro union is in meshing portion with between the grab handle, the rack is followed the stupefied length direction of main back of the body sets up.
Furthermore, step holes are formed in the side face of the first fixing piece and the side face of the second fixing piece, and the anti-rotating nut is embedded into the step holes.
The invention has the beneficial effects that: the first fixing piece and the second fixing piece are rotatably arranged, so that the connecting piece can rotate at multiple angles, and when the first fixing piece and the second fixing piece rotate to be in a parallel state, the connection of two parallel main back ridges is realized; when the rotation angle of the first fixing piece and the second fixing piece is less than 180 degrees, the connection of two crossed main back ridges at the external corner is realized; when first mounting and second mounting rotation angle are greater than 180, realize the stupefied connection of the two crossing main backs in reentrant corner department, improved the commonality of connecting piece to practiced thrift the time of selecting the connecting piece, further improved work efficiency, the zonulae occludens of connecting piece and back of the body has simultaneously promoted concrete appearance quality, has reduced later stage repair cost.
According to the invention, through the arc streamline design of the first connecting part, the second connecting part, the first contact surface and the second contact surface, the rotating friction is reduced, the phenomenon of blocking in the rotating process is avoided, the rotating smoothness is ensured, and the multi-angle rotating effect of the connecting piece is effectively ensured.
According to the invention, the main hinge part and the auxiliary hinge part are connected in a clamping groove and protrusion manner, so that the strength of the connection part is increased, and the connection reliability is ensured.
According to the invention, through the arrangement of the fastening assembly, the synchronous locking of the main back edge in the x direction and the y direction is realized, the connection stability is ensured, the installation and adjustment time is shortened, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a back ridge connecting device for reinforcing a bare concrete template in the embodiment of the invention;
FIG. 2 is an exploded view of the connector of the present invention;
FIG. 3 is a schematic view of a first rotation angle of the first fixing element and the second fixing element according to the embodiment of the present invention;
FIG. 4 is a schematic view of a second rotation angle of the first and second fixing members according to the embodiment of the present invention;
FIG. 5 is a schematic view of a third rotation angle of the first fixing element and the second fixing element according to the embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 1 at A;
FIG. 7 is a structural view of a fastener assembly in an embodiment of the invention;
FIG. 8 is a schematic view of another structure of the connecting device according to the second embodiment of the present invention;
FIG. 9 is a schematic view of a first rotation angle of the first fixing element and the second fixing element according to the second embodiment of the present invention;
FIG. 10 is a schematic view of a second rotation angle of the first fixing element and the second fixing element according to the second embodiment of the present invention;
fig. 11 is a schematic view of a third rotation angle of the first fixing element and the second fixing element according to the second embodiment of the present invention.
Reference numerals: 1. a main back edge; 11. a first connection hole; 2. a connecting member; 21. a first fixing member; 211. a first connection portion; 211a, a first step surface; 212a, a first contact surface; 211b, a primary hinge; 212b, a first limiting surface; 22. a second fixing member; 221. a second connecting portion; 221a, a second step surface; 222a, a second contact surface; 221b, a secondary hinge; 222b and a second limiting surface; 23. a second connection hole; 24. a stepped bore; 3. a fastening assembly; 31. a rotating shaft; 311. an engaging portion; 32. an anti-rotation nut; 33. a rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
The back ridge connecting device for reinforcing the bare concrete formwork as shown in fig. 1 to 7 comprises two main back ridges 1 located on the same horizontal plane, and further comprises a connecting piece 2, wherein the connecting piece 2 comprises a first fixing piece 21 and a second fixing piece 22 rotatably connected with the first fixing piece 21, the first fixing piece 21 and the second fixing piece 22 cover the side faces and the upper and lower surfaces of the two main back ridges 1, and a plurality of second connecting holes 23 corresponding to a plurality of first connecting holes 11 on the main back ridges 1 are formed in the first fixing piece 21 and the second fixing piece 22. It should be noted that the first connecting holes 11 are formed on the side surfaces and the upper and lower surfaces of the first fixing member 21 and the second fixing member 22, the main back ridge 1 is composed of two C-shaped steel members facing each other and a connecting plate, a gap exists between the vertically arranged C-shaped steel members, the gap is equal to the width of the first connecting hole 11, and the second connecting hole 23 is formed on the opposite surfaces of the two C-shaped steel members.
In the implementation process of the invention, the first fixing piece 21 and the second fixing piece 22 are connected, the first fixing piece and the second fixing piece 22 are buckled on two adjacent main back ridges 1, the rotation angle between the first fixing piece 21 and the second fixing piece 22 is adjusted, and when the first fixing piece 21 and the second fixing piece 22 rotate to a parallel state, the connection of the two parallel main back ridges 1 is realized; when the rotation angle of the first fixing piece 21 and the second fixing piece 22 is less than 180 degrees, the connection of two crossed main back edges 1 at the external corner is realized; when the rotation angle of the first fixing piece 21 and the second fixing piece 22 is larger than 180 degrees, the connection of the two crossed main back ridges 1 at the internal corner is realized, the universality of the connecting piece 2 is improved, the time for selecting the connecting piece 2 is saved, and the working efficiency is further improved.
In a preferred embodiment of the present invention, a first connecting portion 211 is disposed at an end of the first fixing member 21, a second connecting portion 221 is disposed at an end of the second fixing member 22, and the first connecting portion 211 and the second connecting portion 221 are engaged with each other and rotatably connected by a fixed shaft.
In the above embodiment, the first connecting portion 211 and the second connecting portion 221 are provided with the first step surface 211a and the second step surface 221a opposite to each other, the first step surface 211a and the second step surface 221a are provided with the first contact surface 212a and the second contact surface 222a, the first contact surface 212a is in rolling contact with the end portion of the second connecting portion 221, and the second contact surface 222a is in rolling contact with the end portion of the first connecting portion 211. Through the arrangement of the first step surface 211a and the second step surface 221a, the structure is more compact, the connection reliability is improved, the second contact surface 222a is in rolling contact with the end part of the first connection part 211 through the rolling contact of the first contact surface 212a and the end part of the second connection part 221, the interaction of force is realized, the uniform stress of the first connection part 211 and the second connection part 221 is ensured, and the service life of the connection part 2 is prolonged.
In order to avoid the phenomenon of blocking in the rotating process, the first connecting part 211, the second connecting part 221, the first contact surface 212a and the second contact surface 222a are all in a circular arc streamline shape, so that the rotating friction is reduced, the rotating smoothness is ensured, and the multi-angle rotating effect of the connecting piece 2 is effectively ensured.
In the preferred embodiment of the present invention, the connecting device further comprises a fastening assembly 3, and the first fixing member 21 and the second fixing member 22 are fixedly connected to the formwork by the fastening assembly 3 sequentially passing through the main back edge 1 and the sub back edge perpendicular to the main back edge 1.
In order to guarantee the clamping force of the reinforcing frame formed by the main back edge 1 and the connecting piece 2, the fastening assembly 3 specifically comprises a rotating shaft 31, an anti-rotation nut 32 and a rack 33 fixed inside the main back edge 1; one end of the rotating shaft 31 is provided with a grab handle, the other end passes through the template and is fixedly connected with the template through a nut, the position of the rotating shaft 31, which is opposite to the rack 33, is provided with a meshing part 311, an anti-rotation nut 32 is screwed between the meshing part 311 and the grab handle, and the rack 33 is arranged along the length direction of the main back edge 1.
The rotation handle is rotated to drive the rotation shaft 31 to rotate, so that the anti-rotation nut 32 clamps the main back edge 1 and the template, meanwhile, the meshing part 311 on the rotation shaft 31 is meshed with the rack 33 to drive the main back edge 1 to move towards the connecting piece 2 along the length direction, the two-way locking in the x direction and the y direction is realized, the clamping force of the reinforcing frame on the template is improved, and the x direction refers to the fastening direction of the fastening assembly, namely the direction vertical to the surface of the template; the y-direction refers to the main back ridge length direction.
Because the rotation shaft 31 is fixed by the anti-rotation nut 32 when the main back edge 1 and the template are clamped by the anti-rotation nut 32, in order to ensure the fixing reliability of the anti-rotation nut 32, the side surface of the first fixing member 21 and the side surface of the second fixing member 22 are provided with the step hole 24, and the anti-rotation nut 32 is embedded into the step hole 24, so that the upper parallel surface and the lower parallel surface of the step hole limit the rotation of the anti-rotation nut.
Example two
In the second embodiment of the present invention, another structure of the first connection portion 211 and the second connection portion 221 is shown, and the structure and connection relationship of the remaining components are the same as those in the first embodiment, and are not described again here.
Specifically, as shown in fig. 8 to 11, the present embodiment is different from the first embodiment in that a main hinge portion 211b and an auxiliary hinge portion 221b are disposed at end portions of the first connecting portion 211 and the second connecting portion 221, the main hinge portion 211b and the auxiliary hinge portion 221b are disposed opposite to each other with a plurality of slots and a plurality of protrusions, a fixing bolt is disposed in an overlapping region perpendicular to the slots and the protrusions, and the main hinge portion 211b and the auxiliary hinge portion 221b are rotatably connected by the fixing bolt. The main hinge portion 211b and the auxiliary hinge portion 221b are connected through the clamping groove and the protrusion, a gap exists between the clamping groove and the protrusion in the rotating process, after the angles of the first connecting portion 211 and the second connecting portion 221 are determined, the fixing bolt is locked to enable opposite surfaces of the clamping groove and the protrusion to be in contact with each other, the fixing of the angles is achieved, the locking force of the fixing bolt is increased through the elastic washer, the strength of the connecting portion is increased, and the connecting reliability is guaranteed.
In the above embodiment, the main hinge portion 211b is preferably located on an extension of a side surface of the first fixing unit 21, and the sub hinge portion 221b is preferably located on an extension of a side surface of the second fixing unit 22.
Specifically, the first connecting portion 211 and the second connecting portion 221 are provided with a first limiting surface 212b and a second limiting surface 222b in the direction toward the main back ridge 1; the first included angle between the first limiting surface 212b and the side surface of the first fixing member 21 is equal to the second included angle between the second limiting surface 222b and the side surface of the second fixing member 22, the sum of the first included angle and the second included angle is smaller than 90 degrees, when the template angle at the external corner is smaller than 90 degrees, the multi-angle adjustment of the first connecting portion 211 and the second connecting portion 221 is realized, and the practicability of the connecting piece 2 is improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a stupefied connecting device of clear water concrete template reinforcement with back of body, is stupefied (1) including two main backs that are located same horizontal plane, its characterized in that still includes connecting piece (2), connecting piece (2) including first mounting (21) and with second mounting (22) that first mounting (21) rotate to be connected, first mounting (21) with second mounting (22) cover the side of the stupefied (1) of main back of body and two upper and lower surfaces, just first mounting (21) with be equipped with on second mounting (22) with a plurality of second connecting holes (23) that a plurality of first connecting hole (11) on the stupefied (1) of main back of body correspond.
2. The dorsal bar connection device for fair-faced concrete formwork reinforcement according to claim 1, wherein a first connection portion (211) is provided at an end of the first fixing member (21), a second connection portion (221) is provided at an end of the second fixing member (22), and the first connection portion (211) and the second connection portion (221) are engaged and rotatably connected by a fixed shaft.
3. The dorsal bar connection device for reinforcing a bare concrete form according to claim 2, wherein the first connection part (211) is provided with a first step surface (211a) and a second step surface (221a) opposite to the second connection part (221), the first step surface (211a) and the second step surface (221a) are provided with a first contact surface (212a) and a second contact surface (222a), the first contact surface (212a) is in rolling contact with the end of the second connection part (221), and the second contact surface (222a) is in rolling contact with the end of the first connection part (211).
4. The dorsal bar connection device according to claim 3, wherein the first connection portion (211), the second connection portion (221), the first contact surface (212a) and the second contact surface (222a) are all rounded streamline.
5. The dorsal bar connecting device for reinforcing a bare concrete form according to claim 2, wherein the first connecting portion (211) and the second connecting portion (221) are provided at ends thereof with a main hinge portion (211b) and an auxiliary hinge portion (221b), the main hinge portion (211b) and the auxiliary hinge portion (221b) are provided with a plurality of engaging grooves and a plurality of protrusions opposite to each other, fixing bolts are provided perpendicular to the engaging grooves and the protrusions, and the main hinge portion (211b) and the auxiliary hinge portion (221b) are rotatably connected by the fixing bolts.
6. The dorsal bar connection device for fair-faced concrete formwork reinforcement according to claim 5, wherein the main hinge (211b) is located on an extension line of a side of the first fixing member (21) and the sub hinge (221b) is located on an extension line of a side of the second fixing member (22).
7. The back ridge connecting device for reinforcing the bare concrete formwork according to claim 6, wherein the first connecting part (211) and the second connecting part (221) are provided with a first limiting surface (212b) and a second limiting surface (222b) in the direction towards the main back ridge (1);
a first included angle between the first limiting surface (212b) and the side surface of the first fixing piece (21) is equal to a second included angle between the second limiting surface (222b) and the side surface of the second fixing piece (22), and the sum of the first included angle and the second included angle is smaller than 90 degrees.
8. The back ridge connecting device for reinforcing the bare concrete formwork according to claim 1, further comprising a fastening component (3), wherein the first fixing member (21) and the second fixing member (22) sequentially penetrate through the main back ridge (1) and a secondary back ridge vertical to the main back ridge (1) through the fastening component (3) to be fixedly connected with the formwork.
9. The bare concrete form reinforcement back edge connection device according to claim 8, wherein the fastening component (3) comprises a rotating shaft (31), an anti-rotation nut (32) and a rack (33) fixed inside the main back edge (1);
the one end of rotation axis (31) is equipped with the grab handle, and the other end passes the template and is fixed with the nut spiro union, rotation axis (31) are relative rack (33) are equipped with meshing portion, prevent changeing nut (32) spiro union and be in meshing portion with between the grab handle, rack (33) are followed the length direction setting of the stupefied (1) of main back of the body.
10. The back edge connecting device for reinforcing the bare concrete formwork according to claim 9, wherein a stepped hole (24) is formed in the side surface of the first fixing member (21) and the side surface of the second fixing member (22), and the anti-rotation nut (32) is embedded in the stepped hole (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111461677.1A CN114250969A (en) | 2021-12-02 | 2021-12-02 | Stupefied connecting device of back of body for clear water concrete template is consolidated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111461677.1A CN114250969A (en) | 2021-12-02 | 2021-12-02 | Stupefied connecting device of back of body for clear water concrete template is consolidated |
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|---|---|
| CN114250969A true CN114250969A (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111461677.1A Pending CN114250969A (en) | 2021-12-02 | 2021-12-02 | Stupefied connecting device of back of body for clear water concrete template is consolidated |
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| CN (1) | CN114250969A (en) |
Cited By (1)
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| CN115573558A (en) * | 2022-11-10 | 2023-01-06 | 甘肃第三建设集团有限公司 | Can have enough to meet need combination formula shaped steel column hoop device and application thereof |
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| CN115573558A (en) * | 2022-11-10 | 2023-01-06 | 甘肃第三建设集团有限公司 | Can have enough to meet need combination formula shaped steel column hoop device and application thereof |
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Application publication date: 20220329 |