CN220726378U - Pre-buried channel structure - Google Patents
Pre-buried channel structure Download PDFInfo
- Publication number
- CN220726378U CN220726378U CN202321425249.8U CN202321425249U CN220726378U CN 220726378 U CN220726378 U CN 220726378U CN 202321425249 U CN202321425249 U CN 202321425249U CN 220726378 U CN220726378 U CN 220726378U
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- Prior art keywords
- notch
- embedded
- channel structure
- wedge
- buried channel
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- 210000001503 joint Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000006185 dispersion Substances 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model provides an embedded channel structure which comprises a channel body with a notch and anchor legs with embedded parts, wherein the embedded parts are embedded in the notch so that the channel body is fixedly connected with the anchor legs. The utility model can avoid exposing the connecting part of the channel and the anchor leg to the external environment, avoid being corroded by the external environment, improve the durability, ensure that the channel body and the anchor leg are stably connected for a long time, and prolong the service life.
Description
Technical Field
The utility model belongs to the field of rail transit, and particularly relates to a channel structure for pre-burying.
Background
In the track traffic tunnel of China, an embedded channel is mainly adopted as pipeline equipment required in the process of installing and protecting the tunnel construction and operation. In the existing transportation tunnel, the embedded channel is usually connected with the anchor leg on the surface of the channel by welding, for example, the utility model with the bulletin number of CN 106437767A. The connecting part is poor in structural durability, and the connecting way of the channel and the anchor leg exposes the connecting part to the external environment, so that the connecting part is easily corroded by the external environment, the connecting durability is further reduced, and the service lives of the channel and the anchor leg are prolonged.
Disclosure of Invention
An object of the present utility model is to provide a pre-buried channel structure, so as to avoid exposing the connection part of the channel and the anchor leg to the external environment, avoid being corroded by the external environment, improve durability, enable the channel body and the anchor leg to be stably connected for a long time, and prolong the service life.
According to the present utility model, there is provided a pre-buried channel structure comprising: the anchor comprises a channel body with a notch and anchor legs with embedded parts, wherein the embedded parts are embedded in the notch, so that the channel body is fixedly connected with the anchor legs.
In a preferred embodiment, the sides of the insert are in threaded engagement or abutment with the inner side walls of the slot.
In a preferred embodiment, the bottom of the insert is connected to the inner bottom wall of the slot by means of a snap-fit connection.
In a preferred embodiment, the inner side wall of the slot is configured as a symmetrical inclined surface, a gap gradually increasing in a direction away from the abutment position is formed between the side portion of the embedded portion and the inner side wall of the slot, and the embedded channel structure further includes two wedge-shaped portions, two of which are inserted into the gap.
In a preferred embodiment, the sides of the insert are configured as vertical faces and the longitudinal section of the slot is trapezoidal.
In a preferred embodiment, a surface of the wedge portion on a side contacting the insert portion is configured as a vertical face, and a surface of the wedge portion on a side contacting the notch is configured as an inclined face gradually away from the vertical face.
In a preferred embodiment, the abutment position is near the top of the insert.
In a preferred embodiment, the pre-buried channel structure further comprises a backing plate, two wedge-shaped parts are arranged on two sides of the upper surface of the backing plate, and the backing plate and the wedge-shaped parts are integrally formed.
In a preferred embodiment, the lateral dimension of the shim plate is greater than the lateral dimension of the slot bottom.
In a preferred embodiment, the channel body comprises a first split and a second split, the end face of the first split being arranged opposite to the end face of the second split and forming the slot.
The utility model can ensure that the channel body can be fixedly connected with the anchor leg by arranging the channel body with the notch and the anchor leg with the embedded part embedded in the notch, and can prevent the channel body from being exposed to the external environment and from being corroded by the external environment by ensuring that the part connecting the channel body and the anchor leg is positioned in the notch, thereby improving the durability, ensuring that the channel body and the anchor leg are stably connected for a long time and prolonging the service life.
The side part of the embedded part is in threaded engagement with the inner side wall of the notch, so that the dismounting between the channel body and the anchor leg is facilitated.
According to the utility model, the side part of the embedded part is in threaded engagement with the inner side wall of the notch, and the bottom of the embedded part is connected with the inner bottom wall of the notch through the elastic buckle, so that the anchor leg and the channel body can be completely fixed in the horizontal direction and the vertical direction, and the damage of the joint, the damage of the anticorrosive coating on the surface of the channel body and the local stress concentration of the channel body caused by welding are avoided.
According to the embedded groove structure, the inner side wall of the notch is configured to be the inclined surface, the side part of the embedded part and the inner side wall of the notch are formed with the gap which is gradually increased in the direction away from the abutting position, the embedded groove structure further comprises the two wedge-shaped parts, the two wedge-shaped parts are inserted into the gap formed between the side part of the embedded part and the inner side wall of the notch, and in the process of inserting the wedge-shaped parts into the gap, the fastening force between the anchor leg and the groove body can be gradually increased, so that the anchor leg and the groove body are prevented from loosening in the use process. In addition, the utility model can also avoid the damage of the joint, the damage of the anticorrosive coating on the surface of the channel body and the local stress concentration of the channel body caused by welding while realizing the fixation of the anchor legs and the channel body.
According to the utility model, the channel body is divided into the first split body and the second split body which are symmetrical to each other, so that the prefabricated production and transportation of a factory are facilitated, and the transportation cost is reduced.
Drawings
FIG. 1 schematically illustrates the overall structure of a pre-buried channel structure according to one embodiment of the present utility model;
fig. 2 schematically illustrates the overall structure of a pre-buried channel structure according to another embodiment of the present utility model.
In this application, all of the figures are schematic drawings which are intended to illustrate the principles of the utility model and are not to scale.
Detailed Description
The term "connected" as used herein may be interpreted as a direct connection between a and B, or may be a connection between a and B via other mediums. The bottom of the embedded part refers to the part which enters the notch first in the process of embedding the notch, and the top of the embedded part refers to the part which enters the notch last in the process of embedding the notch.
As shown in fig. 1-2, the pre-buried channel structure 100 of the present utility model includes: a channel body 1 formed with a slot 11 and an anchor leg 2 having an insert portion 21, the insert portion 21 being inserted into the slot 11 such that the channel body 1 can be fixedly connected with the anchor leg 2, the channel body 1 having a recess 12 for protecting a pipeline, the slot 11 being located at the top of the channel body 1, in one or more embodiments. The notch 12 communicates with the notch 11, and in some other embodiments, the notch 12 does not communicate with the notch 11, and the notch 11 is disposed opposite the notch 12.
The utility model is characterized in that the groove body 1 with the notch 11 and the anchor leg 2 with the embedded part 21 are embedded in the notch 11, so that the groove body 1 can be fixedly connected with the anchor leg 2, the part connecting the groove body 1 and the anchor leg 2 can be positioned in the notch 11, thereby avoiding exposure to the external environment, avoiding corrosion by the external environment, improving the durability, ensuring that the groove body 1 and the anchor leg 2 are stably connected for a long time, and prolonging the service life.
In one or more embodiments, as shown in FIG. 1, the sides of the insert 21 are threadably engaged with the inner sidewall of the slot 11. Specifically, both the side portion of the embedded portion 21 and the inner side wall of the notch 11 are provided with Z-shaped threads. The anchor leg 2 can be fixed with the channel body 1 in the horizontal direction by threadably engaging the side portion of the embedded portion 21 with the inner side wall of the notch 11, and in addition, the disassembly between the channel body 1 and the anchor leg 2 is facilitated by threadably engaging the side portion of the embedded portion 21 with the inner side wall of the notch 11.
In one or more embodiments, the bottom of the insert 21 is connected to the inner bottom wall of the slot 11 by means of snap-in catches s. By connecting the bottom of the embedded portion 21 with the inner bottom wall of the notch 11 through the snap-in s, the anchor leg 2 can be fixed with the channel body 1 in the vertical direction. In addition, the bottom of the embedded part 21 is connected with the inner bottom wall of the notch 11 through the elastic buckle s, so that the disassembly between the channel body 1 and the anchor leg 2 is facilitated.
According to the utility model, the side part of the embedded part 21 is in threaded engagement with the inner side wall of the notch 11, and the bottom of the embedded part 21 is connected with the inner bottom wall of the notch 11 through the elastic buckle s, so that the anchor leg 2 and the channel body 1 can be completely fixed in the horizontal direction and the vertical direction, and the damage of the joint, the damage of the anticorrosive coating on the surface of the channel body 1 and the local stress concentration of the channel body 1 caused by welding are avoided.
As shown in fig. 2, in one or more embodiments, the sides of the insert 21 abut the inner side walls of the slot 11. The inner side wall of the slot 11 is configured as a symmetrically inclined surface, a gap gradually increasing in a direction away from the abutment position is formed between the side portion of the embedded portion 21 and the inner side wall of the slot 11, and the embedded channel structure 100 further includes two wedge-shaped portions 23, the two wedge-shaped portions 23 being inserted into the gap formed between the side portion of the embedded portion 21 and the inner side wall of the slot 11.
According to the utility model, the inner side wall of the notch 11 is configured to be a symmetrical inclined surface, a gap gradually increasing in the direction away from the abutting position is formed between the side part of the embedded part 21 and the inner side wall of the notch 11, the embedded channel structure 100 further comprises two wedge parts 23, and the two wedge parts 23 are inserted into the gap formed between the side part of the embedded part 21 and the inner side wall of the notch 11, so that the wedge parts 23 can be used for wedging the gap, and the fastening force between the anchor leg 2 and the channel body 1 can be gradually increased in the process of inserting the wedge parts 23 into the gap, so that the anchor leg 2 and the channel body 1 are prevented from loosening in the use process.
In addition, the utility model can also avoid the damage of the joint, the damage of the anticorrosive coating on the surface of the channel body 1 and the local stress concentration of the channel body 1 caused by welding while realizing the fixation of the anchor legs 2 and the channel body 1.
In one or more embodiments, the sides of the insert 21 are configured as vertical faces and the longitudinal section of the slot 11 is trapezoidal.
In one or more embodiments, the surface of the wedge-shaped portion 23 on the side contacting the embedded portion 21 is configured as a vertical face, and the surface of the wedge-shaped portion 23 on the side contacting the notch 11 is configured as an inclined face gradually away from the vertical face.
In one or more embodiments, the side of the inset portion 21 abuts the inner side wall of the slot 11 near the top of the inset portion 21. In some other embodiments, the side of the insert 21 abuts the inner sidewall of the slot 11 near the bottom of the insert 21.
In one or more embodiments, the pre-buried channel structure 100 further includes a backing plate 24, two wedge-shaped portions 23 are provided at both sides of the upper surface of the backing plate 24, and the backing plate 24 is integrally formed with the wedge-shaped portions 23.
In one or more embodiments, the pad 24 has a lateral dimension greater than the lateral dimension of the bottom of the slot 11 to prevent slurry from flowing into the recess 12 from the outside during subsequent two-liner grouting.
In one or more embodiments, the channel body 1 includes a first split 13 and a second split 14, the first split being symmetrically disposed with respect to the second split 14, an end face of the first split 13 being disposed opposite an end face of the second split 14 and forming the slot 11. By dividing the channel body 1 into a first split body 13 and a second split body 14 which are symmetrical to each other, factory prefabrication production and transportation are facilitated, and transportation cost is reduced.
For the pre-buried channel structure 100 shown in fig. 2, in the assembly process, the first split body 13 and the second split body 14 are symmetrically arranged, then the embedded part 21 of the anchor leg 2 is embedded into the notch 11 formed by the first split body 13 and the second split body 14, at this time, the side part of the embedded part 21 is abutted with the inner side wall of the notch 11 at a position close to the top of the embedded part 21, and finally, the two wedge parts 23 are inserted into the gap between the side part of the embedded part 21 and the inner side wall of the notch 11, and the pre-buried channel structure is locked by utilizing the friction wedge of the wedge bodies, so that the pre-buried channel structure has enough fastening force to avoid dispersion damage.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (9)
1. A pre-buried channel structure, characterized by comprising: the anchor comprises a channel body with a notch and anchor legs with embedded parts, wherein the embedded parts are embedded in the notch, so that the channel body is fixedly connected with the anchor legs, and the side parts of the embedded parts are in threaded engagement or butt joint with the inner side walls of the notch.
2. The pre-buried channel structure according to claim 1, wherein the bottom of the embedded portion is connected to the inner bottom wall of the slot by means of a snap-fit connection.
3. The pre-buried channel structure of claim 1, wherein an inner sidewall of said notch is configured as a symmetrically inclined surface,
a gap gradually increasing in a direction away from the abutting position is formed between the side portion of the embedded portion and the inner side wall of the notch,
the embedded channel structure further comprises two wedge-shaped parts, and the two wedge-shaped parts are inserted into the gaps.
4. A pre-buried channel structure according to claim 3, characterized in that the sides of said insert are configured as vertical faces and the longitudinal section of said notch is trapezoidal.
5. A pre-buried channel structure according to claim 3, wherein a surface of the wedge portion on a side contacting the insert portion is configured as a vertical surface, and a surface of the wedge portion on a side contacting the notch is configured as an inclined surface gradually distant from the vertical surface.
6. A pre-buried channel structure according to claim 3, wherein said abutment position is close to the top of said insert.
7. The pre-buried channel structure according to claim 6, further comprising a backing plate, wherein two wedge-shaped portions are provided on both sides of an upper surface of the backing plate, and the backing plate and the wedge-shaped portions are integrally formed.
8. The pre-buried channel structure according to claim 7, wherein a lateral dimension of said shim plate is greater than a lateral dimension of said slot bottom.
9. A pre-buried channel structure according to claim 3, wherein said channel body comprises a first split and a second split, an end face of said first split being disposed opposite an end face of said second split and forming said notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425249.8U CN220726378U (en) | 2023-06-06 | 2023-06-06 | Pre-buried channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425249.8U CN220726378U (en) | 2023-06-06 | 2023-06-06 | Pre-buried channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726378U true CN220726378U (en) | 2024-04-05 |
Family
ID=90496731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425249.8U Active CN220726378U (en) | 2023-06-06 | 2023-06-06 | Pre-buried channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726378U (en) |
-
2023
- 2023-06-06 CN CN202321425249.8U patent/CN220726378U/en active Active
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