CN111894143A - Double-screw quick splicing piece for steel bar connecting rod between prefabricated concrete components - Google Patents
Double-screw quick splicing piece for steel bar connecting rod between prefabricated concrete components Download PDFInfo
- Publication number
- CN111894143A CN111894143A CN202010754350.2A CN202010754350A CN111894143A CN 111894143 A CN111894143 A CN 111894143A CN 202010754350 A CN202010754350 A CN 202010754350A CN 111894143 A CN111894143 A CN 111894143A
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- CN
- China
- Prior art keywords
- connecting rod
- precast concrete
- double
- screw
- rod
- 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.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title abstract description 18
- 229910000831 Steel Inorganic materials 0.000 title description 5
- 239000010959 steel Substances 0.000 title description 5
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 239000011178 precast concrete Substances 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 abstract description 7
- 210000001503 joint Anatomy 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4135—Elements with sockets receiving removal bolt heads
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
Abstract
The invention relates to a double-screw quick splicing piece of a reinforced connecting rod between prefabricated concrete components, which comprises a bolt rod, a nut body, a connecting rod, a screw supporting positioning clamp and a connecting rod reinforcing rib, wherein the bolt rod is fixedly connected with the nut body; nut bodies are respectively arranged at two end parts of the two parallel connecting rods; the bolt rod is in threaded connection with the nut body, one end of the bolt rod is provided with a convex operating head, and the other end of the bolt rod is provided with a concave operating groove; the screw supporting positioning clamp comprises two assembling clamps which are enclosed on the two connecting rods, the middle parts of the two assembling clamps are provided with concave bracket grooves, and an extrusion spring is arranged between the concave bracket grooves and the convex operating head of the bolt rod; one or more connecting rod reinforcing ribs are arranged between the two connecting rods, and clamping grooves for clamping the connecting rods are arranged at two ends of each connecting rod reinforcing rib. The invention can realize the reliable butt joint of the reserved nut barrel on the prefabricated reinforced concrete member and can also quickly screw in, has simple structure, convenient use and firm combination, is not influenced by concrete closed pouring, and can meet the requirement of multidirectional splicing among various different members.
Description
Technical Field
The invention relates to the field of buildings, in particular to a double-screw quick splicing piece of a steel bar connecting rod between prefabricated concrete components.
Background
The assembled concrete member is prefabricated in factory with the integral concrete member divided into several parts and assembled into integral assembled structure in site. Because in the prefabrication process of the assembly type concrete member, the stressed reinforcing steel bar can be accurately reserved. When the assembled concrete member is assembled on site, the adjacent assembled concrete members are connected according to the specification through the steel bar connecting structure, so that the assembled concrete member can be firmly connected, the force transmission is reliable, and the construction is convenient and quick. Meanwhile, the connecting part can bear all loads generated in the installation process before concrete pouring, and the construction is safe and reliable.
After the two assembled concrete members are assembled, a certain position deviation usually exists at the corresponding reinforcing steel bar connecting position. The long straight barrel is difficult to directly butt joint, the cost of the long straight barrel component is high, the screwing speed is low during butt joint, and even if the long straight barrel component just starts to rotate within a limit, the long straight barrel component is easy to clamp a shell when half of the rotation is carried out, and the long straight barrel component is difficult to advance and retreat. There is therefore a need to design a more rational mechanical connection.
Disclosure of Invention
In view of the above problems, the invention provides a reinforced bar connecting rod double-screw quick splicing piece between prefabricated concrete components, which is used for realizing reliable butt joint and quick screwing of a reserved nut barrel on the prefabricated reinforced concrete components when the prefabricated reinforced concrete components are connected, has simple structure, convenient use and firm combination, is not influenced by concrete closed pouring, and can meet the requirement of multidirectional splicing among various different components. The invention can be used for connecting the reinforcing steel bars among prefabricated reinforced concrete members (mechanically screwed) or connecting the reinforcing steel bars among post-cast strips.
Not only have stronger connection and bearing capacity, still have stronger positional deviation adaptability, can adapt to the great positional deviation of two link.
The technical scheme of the invention is as follows: the utility model provides a quick splice of two spirals of connecting rod of reinforcing bar between precast concrete component, includes shank of bolt, nut body, connecting rod, holds in the palm spiral shell locator card and connecting rod stiffening rib, wherein:
the two connecting rods are arranged in parallel, and nut bodies are respectively arranged at two end parts of the two connecting rods which are arranged in parallel.
The bolt rod is screwed on the nut body so as to be screwed with a nut barrel reserved on the precast concrete component; one end of the bolt rod is provided with a convex operating head, and the other end of the bolt rod is provided with a concave operating groove; the end of the bolt rod with the operation groove faces the nut barrel reserved on the precast concrete member, the length of the bolt rod is larger than the sum of the length of the nut barrel reserved on the precast concrete member and the length of the nut body, the clearance after installation is considered, and a certain standby adjustment length is added.
The supporting screw positioning clamp comprises two assembling clamps which are enclosed on the two connecting rods, one end parts of the two assembling clamps are hinged with each other, the other end parts of the two assembling clamps are respectively provided with a pin hole, and a bolt is inserted after the two pin holes are overlapped so that the two assembling clamps are correspondingly buckled on the two connecting rods; the middle parts of the two groups of clips are provided with concave support grooves for supporting the convex operating head of the bolt rod, and a compression spring is arranged between the concave support grooves and the convex operating head of the bolt rod.
The novel wedge-shaped connecting rod is characterized in that one or more connecting rod reinforcing ribs are arranged between two connecting rods, an operation hole is formed in the middle of each connecting rod reinforcing rib, clamping grooves used for clamping the connecting rods are formed in the two ends of each connecting rod reinforcing rib, each clamping groove is a fishtail-shaped clamping groove which is narrow in outside and wide in inside, the inner faces of the clamping grooves are abutted to the corresponding connecting rods, wedge blocks are additionally arranged in the clamping grooves, file lines are arranged at the positions, in contact with the wedge blocks, of the clamping grooves and the connecting rods, the wedge blocks are double-inclined-surface wedge blocks, and file lines are arranged on the double inclined surfaces of.
The invention has the beneficial effects that: when the invention is used for connecting prefabricated reinforced concrete members, the reliable butt joint of the reserved nut barrels on the prefabricated reinforced concrete members can be realized, the screw can be screwed in quickly, the structure is simple, the use is convenient, the combination is firm, the concrete is not influenced by closed pouring of the concrete, and the multidirectional splicing requirements among various different members can be met. The invention can be used for connecting the reinforcing steel bars among prefabricated reinforced concrete members (mechanically screwed) or connecting the reinforcing steel bars among post-cast strips.
Drawings
FIG. 1 is a schematic structural diagram of a double-screw quick splicing piece of a steel bar connecting rod between precast concrete components in the embodiment.
Fig. 2 is a schematic front view of an embodiment of a screw positioning card.
Fig. 3 is a schematic structural diagram of a screw holding positioning card with wedge assistance in the embodiment.
FIG. 4 is a schematic structural diagram of a reinforcing rib of the connecting rod in the embodiment.
In the figure:
1-bolt bar 1.1-operating head 1.2-operating slot;
2-nut body;
3, connecting rods;
4-support the spiral shell locator card 4.1-group card 4.2-hinge pin 4.3-bolt 4.4-concave bracket 4.5-squeeze spring 4.6-wedge block;
5-connecting rod reinforcing rib 5.1-operation hole 5.2-clamping groove 5.3-wedging block;
6, prefabricating a concrete member; 6.1-nut barrel.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the double-screw fast splicing piece of the reinforced bar connecting rod between the precast concrete components of the invention comprises two bolt rods 1, two nut bodies 2, two connecting rods 3, two support screw positioning clips 4 and a connecting rod reinforcing rib 5, wherein:
the two connecting rods 3 are arranged in parallel, and nut bodies 2 are respectively arranged at two end parts of the two connecting rods 3 arranged in parallel.
The bolt rod 1 is in bolt connection with the nut body 2 so as to be in bolt connection with a nut barrel 6.1 reserved on the precast concrete member 6; the bolt rod 1 and the nut body 2 are loosely screwed so as to be capable of better adapting to and buffering position deviation during installation, and due to loose screwing, in order to ensure the strength during connection, the problem can be solved by increasing the screwing engagement length between the bolt rod 1 and the nut body; one end of the bolt rod 1 is provided with a convex operating head 1.1, and the other end of the bolt rod 1 is provided with a concave operating groove 1.2; one end of the bolt rod 1 with an operation groove 1.2 faces to a nut barrel 6.1 reserved on the precast concrete member, the length of the bolt rod 1 is larger than the sum of the length of the nut barrel 6.1 reserved on the precast concrete member 6 and the length of the nut body 2, and a certain standby adjustment length is added by taking the clearance after installation into consideration.
Referring to fig. 1 and 2, the supporting screw positioning clip 4 includes two assembling clips 4.1 enclosed on the two connecting rods, one end portions of the two assembling clips 4.1 are hinged to each other through a hinge pin 4.2, the other end portions of the two assembling clips 4.1 are respectively provided with a pin hole, and when the two pin holes are overlapped, a pin 4.3 is inserted, so that the two assembling clips 4.1 are correspondingly clamped on the two connecting rods 3; the middle parts of the two groups of clips 4.1 are provided with concave brackets 4.4 for supporting the convex operating head 1.1 of the bolt rod 1, and a compression spring 4.5 is arranged between the concave brackets 4.4 and the convex operating head 1.1 of the bolt rod 1.
Referring to fig. 1, 2 and 3, when the screw holding clamp 4 is not tightly clamped with the two connecting rods 3, a wedge 4.6 can be inserted for clamping.
Referring to fig. 1 and 4, in this embodiment, a connecting rod reinforcing rib 5 is additionally disposed between two connecting rods 3, an operation hole 5.1 is disposed in the middle of the connecting rod reinforcing rib 5, two ends of the connecting rod reinforcing rib 5 are provided with slots 5.2 for clamping the connecting rods, the slots 5.2 are fishtail-shaped slots with narrow outer portions and wide inner portions, the inner surfaces of the slots 5.2 are abutted to the connecting rods 3, wedge blocks 5.3 are additionally disposed in the slots 5.2, file lines are disposed at the positions where the slots 5.2 and the connecting rods 3 are in contact with the wedge blocks 5.3, the wedge blocks are double-inclined-surface wedge blocks, and the file lines are disposed on the double inclined surfaces of the wedge blocks.
When the quick splicing device is used, after the precast concrete members 6 are installed in place, the quick splicing piece of the invention with proper length is selected according to the size of a space to be connected between the two precast concrete members, the concave operation groove 1.2 on the bolt rod 1 is operated by a tool to be screwed into the corresponding nut body 2, the bolt rod 1 on the quick splicing piece of the invention is aligned to the nut barrel 6.1 on the precast concrete members 6, and the two connecting rods are rotated to screw the bolt rod 1 into the nut barrel 6.1. If necessary, the convex operating head 1.1 on the bolt rod 1 is rotated by tools to adjust. And a screw supporting positioning clamp 4 is arranged at the end of the convex operating head 1.1 of the bolt rod 1. And finally, installing a connecting rod reinforcing rib 5.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a quick splice of two spiral of connecting rod of reinforcing bar between precast concrete component which characterized in that: the nut comprises a bolt rod, a nut body, a connecting rod, a screw supporting positioning clamp and a connecting rod reinforcing rib;
the two connecting rods are arranged in parallel, and nut bodies are respectively arranged at the two end parts of the two connecting rods which are arranged in parallel;
the bolt rod is screwed on the nut body so as to be screwed with a nut barrel reserved on the precast concrete component; one end of the bolt rod is provided with a convex operating head, and the other end of the bolt rod is provided with a concave operating groove;
the supporting screw positioning clamp comprises two assembling clamps which are enclosed on the two connecting rods, one end parts of the two assembling clamps are hinged with each other, the other end parts of the two assembling clamps are respectively provided with a pin hole, and a bolt is inserted after the two pin holes are overlapped so that the two assembling clamps are correspondingly buckled on the two connecting rods; the middle parts of the two groups of clips are provided with concave support grooves for supporting the convex operating head of the bolt rod, and a compression spring is arranged between the concave support grooves and the convex operating head of the bolt rod;
one or more connecting rod reinforcing ribs are arranged between the two connecting rods, and clamping grooves for clamping the connecting rods are arranged at two ends of each connecting rod reinforcing rib.
2. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 1, characterized in that: and one end of the bolt rod with an operation groove faces to a nut barrel reserved on the precast concrete component.
3. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 1, characterized in that: the length of the bolt rod is greater than the sum of the length of the nut barrel reserved on the precast concrete member and the length of the nut body.
4. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 1, characterized in that: and an operation hole is formed in the middle of the connecting rod reinforcing rib.
5. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 1, characterized in that: the clamping groove is a fishtail-shaped clamping groove with a narrow outer part and a wide inner part.
6. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 1, characterized in that: the inner surface of the clamping groove is abutted against the connecting rod.
7. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 1, characterized in that: the clamping groove is internally and additionally provided with a wedging block, and the clamping groove and the part of the connecting rod, which is in contact with the wedging block, are provided with file cuts.
8. The reinforced bar connecting rod double-screw quick splicing piece between precast concrete components according to claim 7, characterized in that: the wedging block is a double-inclined-surface wedging block, and the double inclined surfaces of the wedging block are provided with filing grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754350.2A CN111894143B (en) | 2020-07-30 | 2020-07-30 | Double-screw quick splicing piece for steel bar connecting rod between prefabricated concrete components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010754350.2A CN111894143B (en) | 2020-07-30 | 2020-07-30 | Double-screw quick splicing piece for steel bar connecting rod between prefabricated concrete components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111894143A true CN111894143A (en) | 2020-11-06 |
| CN111894143B CN111894143B (en) | 2021-06-25 |
Family
ID=73182729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010754350.2A Active CN111894143B (en) | 2020-07-30 | 2020-07-30 | Double-screw quick splicing piece for steel bar connecting rod between prefabricated concrete components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111894143B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204163286U (en) * | 2014-10-17 | 2015-02-18 | 钟智谦 | A kind of prestressed concrete connector |
| CN106245851A (en) * | 2016-08-01 | 2016-12-21 | 福州市第三建筑工程公司 | Steel reinforcement abutting joints structure and docking calculation thereof and application in a kind of reinforced concrete |
| JP6233704B2 (en) * | 2014-01-24 | 2017-11-22 | 株式会社大林組 | Reinforcing bar electrical connection structure and electrical connection method in filling type sleeve joint |
| CN207003837U (en) * | 2017-02-10 | 2018-02-13 | 上海安投机械配件有限公司 | A kind of reinforcing bar connector of precast concrete docking |
| CN207568527U (en) * | 2017-08-30 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of Casing-Cutting positions tool |
| CN108979006A (en) * | 2018-07-27 | 2018-12-11 | 袁雪峰 | Precast concrete connector |
| CN208578260U (en) * | 2018-06-29 | 2019-03-05 | 周兆弟 | Transverse connection structure part |
-
2020
- 2020-07-30 CN CN202010754350.2A patent/CN111894143B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6233704B2 (en) * | 2014-01-24 | 2017-11-22 | 株式会社大林組 | Reinforcing bar electrical connection structure and electrical connection method in filling type sleeve joint |
| CN204163286U (en) * | 2014-10-17 | 2015-02-18 | 钟智谦 | A kind of prestressed concrete connector |
| CN106245851A (en) * | 2016-08-01 | 2016-12-21 | 福州市第三建筑工程公司 | Steel reinforcement abutting joints structure and docking calculation thereof and application in a kind of reinforced concrete |
| CN207003837U (en) * | 2017-02-10 | 2018-02-13 | 上海安投机械配件有限公司 | A kind of reinforcing bar connector of precast concrete docking |
| CN207568527U (en) * | 2017-08-30 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of Casing-Cutting positions tool |
| CN208578260U (en) * | 2018-06-29 | 2019-03-05 | 周兆弟 | Transverse connection structure part |
| CN108979006A (en) * | 2018-07-27 | 2018-12-11 | 袁雪峰 | Precast concrete connector |
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| Publication number | Publication date |
|---|---|
| CN111894143B (en) | 2021-06-25 |
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