CN216841698U - Assembled arc PC component for tunnel - Google Patents
Assembled arc PC component for tunnel Download PDFInfo
- Publication number
- CN216841698U CN216841698U CN202220068273.XU CN202220068273U CN216841698U CN 216841698 U CN216841698 U CN 216841698U CN 202220068273 U CN202220068273 U CN 202220068273U CN 216841698 U CN216841698 U CN 216841698U
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- transition cylinder
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Abstract
The utility model provides an assembled arc PC component for tunnel belongs to mechanical technical field. It has solved prior art and has had the poor problem of stability. The assembled arc PC component for the tunnel comprises a U-shaped arch body and a plate-shaped bottom plate, wherein the U-shaped port of the arch body is connected to the bottom plate. This assembled arc PC component for tunnel stability is high.
Description
Technical Field
The utility model belongs to the technical field of machinery, a assembled arc PC component for tunnel is related to.
Background
The fabricated components include a plurality of PC components that are connected using fasteners such as bolts.
Although the bolt connection is firm, the joint of the PC member is exposed to the outside, resulting in a non-compact structure thereof.
Moreover, the bolt connection process needs corresponding tools, and the assembly is complicated and troublesome.
Its publication number of chinese patent CN204126060U discloses a concrete prefabricated member connection structure, connecting piece, concrete connecting piece includes the connecting piece body, establish cavity, the convergent passageway that is linked together with the cavity in the connecting piece body. The reducing channel is communicated with the outside, the reducing channel is gradually reduced towards the direction of keeping away from the cavity, an elastic component is arranged in the cavity, two or more locking pieces are arranged in the reducing channel, one end of the elastic component is connected with the connecting piece body, and the other end of the elastic component is connected with each locking piece.
When in the above-mentioned patent to after inserting the connecting rod in the convergent passageway, each the retaining member equally divide respectively with connecting piece body, connecting rod are inconsistent.
However, the connection structure is complicated and the assembling process is troublesome.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide a convenient assembling and high assembled arc PC component for tunnel of stability.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an assembled arc PC component for tunnel, is including the arch body that is the U-shaped and be platelike bottom plate, and the U-shaped port department of above-mentioned arch body connects on the bottom plate, its characterized in that, donor U-shaped tip department has recessed locating hole one, has recessed locating hole two on the above-mentioned bottom plate, still includes a connecting pin and flexible gasket, and the both ends of above-mentioned connecting pin inlay respectively in locating hole one and locating hole two, and above-mentioned gasket is compressed tightly between arch body and locating pin.
The tunnel is with assembled arc PC component creatively sets up locating hole one on the hunch body, sets up locating hole two on the bottom plate.
The first positioning hole is opposite to the second positioning hole, and two ends of the connecting pin are embedded in the first positioning hole and the second positioning hole respectively. The connection fit enables the donor and the base plate to be stably connected together.
The first positioning hole, the second positioning hole, the gasket and the connecting pin form a connecting unit, and the U-shaped two ends of the arch body are provided with the connecting units.
Of course, in order to further improve the connection stability, one end of the U-shape of the arch body is provided with a plurality of uniformly distributed connecting units, and the other end of the U-shape of the arch body is also provided with a plurality of uniformly distributed connecting units.
The function of gasket is to avoid connecting pin and the contact of hunch body rigidity, can also effectual elimination hunch body and the clearance between the connecting pin simultaneously.
In the above-described assembled arc-shaped PC member for a tunnel, the gasket is a rubber material.
In the assembled arc PC component for a tunnel, the upper end of the connecting pin has a first guiding portion which enables the connecting pin to be smoothly inserted into the first positioning hole.
In the above-described tunnel fitting arc-shaped PC member, the first introduction portion is a chamfer of the upper end of the connecting pin.
Depending on the actual situation, it is also possible for the first introduction section to be a rounded corner at the upper end of the connecting pin.
Under the action of the first guiding part, the upper end of the connecting pin can be smoothly embedded into the first positioning hole.
In the assembled arc PC component for a tunnel, the lower end of the connecting pin has a rod-shaped connecting section, the diameter of the connecting section is smaller than that of the connecting pin, the connecting section and the connecting pin are arranged coaxially, and a flexible transition cylinder is coated outside the connecting section.
The transition cylinder can avoid rigid contact between the connecting pin and the bottom plate, and can eliminate a gap between the connecting pin and the second positioning hole.
In the assembled arc-shaped PC component for the tunnel, the length dimension of the transition cylinder is larger than that of the connecting section, the upper end of the transition cylinder abuts against the connecting pin, and the lower end of the transition cylinder abuts against the bottom of the second positioning hole.
The structure can completely avoid the contact between the side part of the connecting section and the two side walls of the positioning hole.
In the above-described tunnel fitting arc-shaped PC member, the upper end of the transition cylinder protrudes from the bottom plate.
In the above-described tunnel fitting arc-shaped PC member, the outside of the transition cylinder is flush with the outside of the connecting pin.
In the assembled arc PC component for a tunnel, the lower end of the transition cylinder is provided with a second guiding part which can enable the transition cylinder to be smoothly inserted into the second positioning hole.
In the assembled arc PC component for a tunnel, the second introduction part is a chamfer at the lower end of the transition cylinder.
According to practical conditions, the second leading-in part is also feasible to be a round corner at the lower end of the transition cylinder.
Compared with the prior art, the connecting pin is completely covered at the joint of the assembled arc-shaped PC component for the tunnel, and the tunnel is compact in structure and high in connection stability.
Meanwhile, the arrangement of the gasket and the transition cylinder can effectively eliminate the gap between the connecting pin and the first positioning hole and the gap between the connecting pin and the second positioning hole, and can also avoid the rigid contact between the connecting pin and the arch body and between the connecting pin and the bottom plate, so that the stability of the connecting pin is further improved, and the connecting pin has high practical value.
Drawings
Fig. 1 is a schematic structural view of the assembled arc PC member for tunnel.
Fig. 2 is a schematic bottom view of the arch of the assembled arc PC member for tunnel.
In the figure, 1, an arch; 1a, positioning a first hole; 2. a base plate; 2a, a second positioning hole; 3. a connecting pin; 3a, a first lead-in part; 3b, a connecting section; 4. a gasket; 5. a transition cylinder; 5a and a second introduction part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the assembled arc PC component for tunnel comprises a U-shaped arch body 1 and a plate-shaped bottom plate 2, wherein the U-shaped end of the arch body 1 is connected to the bottom plate 2, the U-shaped end of the donor body 1 is provided with a recessed positioning hole 1a, the bottom plate 2 is provided with a recessed positioning hole two 2a, the assembled arc PC component further comprises a connecting pin 3 and a flexible gasket 4, two ends of the connecting pin 3 are respectively embedded in the positioning hole 1a and the positioning hole two 2a, and the gasket 4 is tightly pressed between the arch body 1 and the positioning pin 3.
The gasket 4 is made of rubber material.
The upper end of the connecting pin 3 is provided with a first guiding part 3a which can enable the connecting pin to be smoothly inserted into the first positioning hole 1 a.
The first introduction portion 3a is a chamfer of the upper end of the connecting pin 3.
The lower end of the connecting pin 3 is provided with a rod-shaped connecting section 3b, and both the connecting pin 3 and the connecting section 3b are in a round rod shape.
The diameter size of the connecting section 3b is smaller than that of the connecting pin 3, the connecting section 3b and the connecting pin 3 are arranged coaxially, and a flexible transition cylinder 5 is coated on the outer side of the connecting section 3 b.
The length dimension of the transition cylinder 5 is larger than that of the connecting section 3b, the upper end of the transition cylinder 5 abuts against the connecting pin 3, and the lower end of the transition cylinder 5 abuts against the bottom of the second positioning hole 2 a.
The upper end of the transition cylinder 5 extends out of the bottom plate 2.
The outer side of the transition cylinder 5 is flush with the outer side of the connecting pin 3.
The lower end of the transition cylinder 5 is provided with a second leading-in part 5a which can enable the transition cylinder to be smoothly inserted into the second positioning hole 2 a.
The second introduction part 5a is a chamfer at the lower end of the transition cylinder 5.
The assembled arc-shaped PC component for the tunnel is creatively provided with a first positioning hole on the arch body and a second positioning hole on the bottom plate.
The first positioning hole is opposite to the second positioning hole, and two ends of the connecting pin are embedded in the first positioning hole and the second positioning hole respectively. The connection fit enables the donor and the base plate to be stably connected together.
The first positioning hole, the second positioning hole, the gasket and the connecting pin form a connecting unit, and the U-shaped two ends of the arch body are provided with the connecting units.
Of course, in order to further improve the connection stability, one end of the U-shape of the arch body is provided with a plurality of uniformly distributed connecting units, and the other end of the U-shape of the arch body is also provided with a plurality of uniformly distributed connecting units.
The function of gasket is to avoid connecting pin and the contact of hunch body rigidity, can also effectual elimination hunch body and the clearance between the connecting pin simultaneously.
The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. The assembled arc PC component for the tunnel comprises a U-shaped arch body and a plate-shaped bottom plate, wherein the U-shaped end of the arch body is connected to the bottom plate.
2. The assembled arcuate PC component for a tunnel of claim 1, wherein the gasket is a rubber material.
3. The tunnel fitting arc PC component of claim 2, wherein the connection pin has a first introduction portion at an upper end thereof to be smoothly inserted into the first positioning hole.
4. The fitted arc PC component for a tunnel according to claim 3, wherein the first introduction part is a chamfer of an upper end of the connection pin.
5. The assembled arc PC component for a tunnel according to claim 4, wherein the connection pin has a connection section at a lower end thereof in a rod shape, the connection section having a diameter size smaller than that of the connection pin and being coaxially disposed with the connection pin, and a flexible transition tube is coated outside the connection section.
6. The assembled arc PC component for the tunnel according to claim 5, wherein the length dimension of the transition cylinder is greater than that of the connecting section, the upper end of the transition cylinder abuts against the connecting pin, and the lower end of the transition cylinder abuts against the two bottoms of the positioning holes.
7. The assembled arcuate PC component for a tunnel of claim 6, wherein the transition cylinder has an upper end projecting beyond the floor.
8. The tunnel fitting arc PC component of claim 7 wherein the transition cylinder exterior side is flush with the connection pin exterior side.
9. The assembled arc PC component for a tunnel as claimed in claim 8, wherein the lower end of the transition cylinder has a second introduction part which enables the transition cylinder to be smoothly inserted into the second positioning hole.
10. The fitted arc PC component for a tunnel of claim 9, wherein the second introduction portion is a chamfer of the lower end of the transition cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220068273.XU CN216841698U (en) | 2022-01-05 | 2022-01-05 | Assembled arc PC component for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220068273.XU CN216841698U (en) | 2022-01-05 | 2022-01-05 | Assembled arc PC component for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216841698U true CN216841698U (en) | 2022-06-28 |
Family
ID=82083482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220068273.XU Active CN216841698U (en) | 2022-01-05 | 2022-01-05 | Assembled arc PC component for tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216841698U (en) |
-
2022
- 2022-01-05 CN CN202220068273.XU patent/CN216841698U/en active Active
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