CN214940978U - Connecting joint and connecting structure of prefabricated parts - Google Patents
Connecting joint and connecting structure of prefabricated parts Download PDFInfo
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- CN214940978U CN214940978U CN202023107374.3U CN202023107374U CN214940978U CN 214940978 U CN214940978 U CN 214940978U CN 202023107374 U CN202023107374 U CN 202023107374U CN 214940978 U CN214940978 U CN 214940978U
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Abstract
The utility model discloses a prefabricated component's attach fitting and connection structure, attach fitting includes: the first connecting piece, the second connecting piece, the first stress part and the second stress part; the first connecting piece is provided with a clamping end, and the clamping end is gradually reduced along the direction from top to bottom; the second connecting piece is provided with a concave part; the clamping end is matched with the concave part and is used for clamping and connecting the first connecting piece and the second connecting piece; one end of the first stress component is arranged at one end, far away from the clamping end, of the first connecting piece, and the other end of the first stress component is connected with the prefabricated part; one end of the second stress part is provided with one end of the second connecting piece far away from the concave part, and the other end of the second stress part is connected with the prefabricated part; the utility model discloses can realize the reliable connection between the prefabricated component.
Description
Technical Field
The utility model belongs to the technical field of the building element, concretely relates to prefabricated component's attach fitting and connection structure.
Background
The assembled subway station has become one of the important development directions of urban rail transit construction in China by virtue of the advantages of short construction period, low labor demand, low environmental pollution and the like. The connection node of the assembly type component is the important factor in the research of the assembly type station, the node has to be stressed clearly, transfer force is reliable, construction is convenient and fast, quality is controllable, and meanwhile, the requirements of the subway station on the bearing capacity, durability and ductility of the component are required to be met. At present, the connection joints of the prefabricated parts mainly comprise the following six types:
1) cast-in-place connecting joint: the cast-in-place connection needs to reserve stressed steel bars at joints, and node pouring is carried out after assembly is completed. Although the reliability is high, the cast-in-place connecting node has low assembly degree and is a structural form between a cast-in-place mode and an assembly mode;
2) grouting sleeve joints: the construction quality of the grouting sleeve connecting joint is difficult to control, and no perfect grouting detection technology exists at present. The requirement on the hoisting and positioning accuracy is too high, the current application range is small, and the development prospect is limited;
3) bolt joint: the bolt connection node has simple structure and definite stress. But the bolt hole weakens the section of the structural member and is easy to cause stress concentration. The bolt connection needs to be operated on site, the site construction share is large, and the construction quality is difficult to control;
4) the steel structure welding structure connects: the process is complex, the welding work is complicated, the welding process is more applicable to the ground structure, and the welding process is difficult to popularize in the underground structure;
5) tongue-and-groove joint: the tongue-and-groove type joint is provided with a tongue-and-groove, a tenon and a grouting hole which are mutually occluded at the concrete precast block. Although the tongue-and-groove type joint is convenient to connect, the joint has low reliability and small integral rigidity, and the joint rotates and is dislocated under a complex stress state;
6) steel structure quick-operation joint: the tunnel segment steel structure quick joint developed by the Japan forest group adopts a horizontal pin type joint between segments and a Push-fastening type joint (Push-Grip) between rings. The horizontal pin joint is composed of a group of C-shaped pieces and H-shaped pieces with supporting pieces. The H-shaped part is arranged on one C-shaped part, is connected with the other C-shaped part after sliding and is fastened through the counter force of the support; but the integral rigidity of the node is small, and the shearing resistance of the connecting piece and the segment body is not matched.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model provides a joint and connection structure of prefabricated component realizes the reliable connection between the prefabricated component.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
in a first aspect, the present invention provides a joint for prefabricated parts, including: the first connecting piece, the second connecting piece, the first stress part and the second stress part;
the first connecting piece is provided with a clamping end, and the clamping end is gradually reduced along the direction from top to bottom; the second connecting piece is provided with a concave part; the clamping end is matched with the concave part and is used for clamping and connecting the first connecting piece and the second connecting piece;
one end of the first stress component is arranged at one end, far away from the clamping end, of the first connecting piece, and the other end of the first stress component is connected with the prefabricated part;
one end of the second stress part is provided with one end of the second connecting piece far away from the concave part, and the other end of the second stress part is connected with the prefabricated part.
Further, the first connecting piece is a T-shaped connecting piece.
Further, the second connecting piece is a C-shaped connecting piece.
Further, the first stress part and the second stress part comprise a plurality of stress steel bars.
Furthermore, one end of the first stressed part is connected with the first connecting piece through a first connecting part; one end of the second stress component is connected with the second connecting piece through a second connecting part.
Further, the first connecting portion and the second connecting portion are horizontal steel plates.
Furthermore, the second connecting piece and the first connecting piece are connected with the horizontal steel plate through stiffening rib plates.
In a second aspect, the present invention provides a connecting structure for prefabricated components, comprising the connecting joint as described in the first aspect, an exhaust pipe and a grouting pipe; the grouting pipe is arranged at the joint of the first connecting piece and the second connecting piece and used for injecting cement mortar and filling and compacting a gap at the joint; the exhaust pipe is arranged close to the joint and used for exhausting air at the joint when cement mortar is injected.
Further, the device also comprises a sealing gasket; the sealing gasket is arranged close to the joint.
Further, the sealing gasket is a rubber sealing gasket.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a connecting joint and a connecting structure of prefabricated parts, wherein, in the connecting joint, a first connecting piece is provided with a clamping end, the clamping end is gradually reduced along the direction from top to bottom, a second connecting part is provided with a concave part, the clamping end is matched with the concave part and is used for clamping and connecting the first connecting piece and the second connecting piece, the on-site assembly is convenient, the second connecting piece is not easy to be separated, the structural integrity with high strength is formed after the connection, and the anti-seismic bearing capacity is strong; in the connecting structure, the grouting pipe can be used for grouting the joint of the first connecting piece and the second connecting piece to form an integral body with excellent integrity by the prefabricated parts which are connected with each other.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view showing the construction of a joint of prefabricated parts according to example 1;
FIG. 2 is a first exploded view of the joint of the prefabricated parts according to example 1;
FIG. 3 is a second exploded view of the joint of the prefabricated parts according to example 1;
fig. 4 is a schematic structural view of a connecting structure of prefabricated parts in example 2.
Description of the labeling: 1. a first connecting member; 101. a clamping end; 2. a second connecting member; 201. a recessed portion; 3. a first force-receiving member; 4. a second force-receiving member; 5. a first connection portion; 6. a second connecting portion; 7. a stiffening rib plate; 8. an exhaust pipe; 9. a grouting pipe; 10. a gasket; 1000. and (4) prefabricating the component.
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 presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
The embodiment discloses a connection joint of prefabricated parts, which comprises the following components in reference to figures 1-3: the first connecting piece 1, the second connecting piece 2, the first stress part 3 and the second stress part 4; the first connecting piece 1 is provided with a clamping end 101, and the clamping end 101 is gradually reduced along the direction from top to bottom; the second connecting piece 2 is provided with a concave part 201; the clamping end 101 is matched with the concave part 201 and is used for clamping and connecting the first connecting piece 1 and the second connecting piece 2;
specifically, the first connecting piece 1 is a T-shaped connecting piece, the second connecting piece 2 is a C-shaped connecting piece, and both the first connecting piece 1 and the second connecting piece 2 can be prefabricated. The head of T type connecting piece is block end 101, and C type connecting piece has breach department to be depressed part 201, and with the cooperation of the depressed part 201 of C type connecting piece, and because block end 101 reduces along the orientation from the top down gradually, under the action of gravity, second connecting piece 2 can form the ascending restraint of horizontal direction and vertical side to first connecting piece, and first connecting piece 1 is difficult for deviating from, forms the big structural integrity of intensity after connecting.
More specifically, the T-shaped connecting piece is in clearance fit with the C-shaped connecting piece, and the positioning error of +/-50 mm is allowed on the plane during hoisting.
One end of the first stressed component 3 is arranged at one end of the first connecting piece 1 far away from the clamping end 101, and the other end is connected with the prefabricated part 1000; one end of the second force-bearing part 4 is disposed at one end of the second connector 2 away from the recess 201, and the other end is connected to the prefabricated member 1000.
Specifically, the first stress part 3 and the second stress part 4 both comprise a plurality of stress steel bars.
In the above embodiment, one end of the first force receiving member 3 is connected to the first connecting member 1 through the first connecting portion 5; one end of the second force-bearing part 4 is connected with the second connecting piece 2 through a second connecting part 6. The first and second connection parts 5 and 6 may be, but are not limited to, horizontal steel plates. The second connecting piece 2 and the first connecting piece 1 are connected with the horizontal steel plate through stiffening rib plates 7.
Specifically, one end of the stressed steel bar is fixedly connected with the prefabricated part 1000, and the other end of the stressed steel bar is welded with the horizontal steel plate. The horizontal steel plate can be provided with a slot matched with the stress steel bar in advance, and the stress steel bar is inserted into the slot and positioned on the first connecting piece 1 or the second connecting piece 2.
The following will further explain this embodiment with reference to specific implementation processes:
according to the requirement of the prefabricated part 1000, different types of C-shaped connecting pieces, T-shaped connecting pieces and stressed steel bars are selected. After the stressed steel bars and the C-shaped connecting pieces are welded in a factory in advance, the connecting joints can be assembled on site, structural integrity with high strength is formed after the connecting joints are assembled, and the earthquake-resistant bearing capacity is high.
Example 2
The embodiment discloses a connecting structure of a prefabricated part 1000, and referring to fig. 4, the connecting structure comprises a connecting joint as described in embodiment 1, an exhaust pipe 8 and a grouting pipe 9; the grouting pipe 9 is arranged at the joint of the first connecting piece 1 and the second connecting piece 2 and used for injecting cement mortar and filling and compacting a gap at the joint; an exhaust pipe 8 is provided near the joint for exhausting air at the joint when cement mortar is injected.
Specifically, cement mortar is injected at the joint of the first connecting member 1 and the second connecting member 2 through the grout pipe 9, and air at the joint is discharged to the outside through the exhaust pipe 8.
In some embodiments, a gasket 10; the gasket 10 may be, but is not limited to, a rubber gasket 10, and the rubber gasket 10 is disposed near the joint for water stop.
Specifically, a grouting pipe 9, an exhaust pipe 8 and a rubber sealing gasket 10 are embedded in the prefabricated part 1000, and after 2 prefabricated parts 1000 are connected through connecting joints, high-strength cement slurry is adopted to fill and fill gaps of the connecting joints to form a rigidly connected integral component.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A connection joint of prefabricated parts, characterized by comprising: the first connecting piece, the second connecting piece, the first stress part and the second stress part;
the first connecting piece is provided with a clamping end, and the clamping end is gradually reduced along the direction from top to bottom; the second connecting piece is provided with a concave part; the clamping end is matched with the concave part and is used for clamping and connecting the first connecting piece and the second connecting piece;
one end of the first stress component is arranged at one end, far away from the clamping end, of the first connecting piece, and the other end of the first stress component is connected with the prefabricated part;
one end of the second stress part is provided with one end of the second connecting piece far away from the concave part, and the other end of the second stress part is connected with the prefabricated part.
2. The prefabricated member connection joint according to claim 1, wherein the first connector is a T-shaped connector.
3. The prefabricated unit connecting joint according to claim 2, wherein the second connector is a C-shaped connector.
4. The prefabricated unit connecting joint according to claim 1, wherein the first force receiving member and the second force receiving member each include a plurality of force receiving reinforcing bars.
5. The prefabricated member connecting joint according to claim 4, wherein one end of the first force receiving member is connected to the first connecting member through a first connecting portion; one end of the second stress component is connected with the second connecting piece through a second connecting part.
6. The prefabricated member connection joint according to claim 5, wherein the first connection portion and the second connection portion are horizontal steel plates.
7. The prefabricated member connecting joint according to claim 6, wherein the second connecting member and the first connecting member are connected to the horizontal steel plate by a reinforcing rib.
8. A connecting structure of prefabricated parts, comprising the connecting joint as claimed in any one of claims 1 to 7, and an exhaust pipe and a grout pipe; the grouting pipe is arranged at the joint of the first connecting piece and the second connecting piece and used for injecting cement mortar and filling and compacting a gap at the joint; the exhaust pipe is arranged close to the joint and used for exhausting air at the joint when cement mortar is injected.
9. The prefabricated member connecting structure according to claim 8, further comprising a gasket; the sealing gasket is arranged close to the joint.
10. The prefabricated member connecting structure according to claim 9, wherein the gasket is a rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023107374.3U CN214940978U (en) | 2020-12-21 | 2020-12-21 | Connecting joint and connecting structure of prefabricated parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023107374.3U CN214940978U (en) | 2020-12-21 | 2020-12-21 | Connecting joint and connecting structure of prefabricated parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214940978U true CN214940978U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023107374.3U Active CN214940978U (en) | 2020-12-21 | 2020-12-21 | Connecting joint and connecting structure of prefabricated parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214940978U (en) |
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2020
- 2020-12-21 CN CN202023107374.3U patent/CN214940978U/en active Active
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