CN217518656U

CN217518656U - Tunnel departure well is special in pit to advance hole and connects and draw platform

Info

Publication number: CN217518656U
Application number: CN202221336359.2U
Authority: CN
Inventors: 吴海宏; 柳志; 黎卓豪; 林江涛; 李世增; 胡锐
Original assignee: Guangzhou Jinfeng Industry Co ltd; Guangdong No 2 Hydropower Engineering Co Ltd
Current assignee: Guangdong Yue Hydropower Equipment Group Co ltd; Guangdong No 2 Hydropower Engineering Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-30
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a tunnel starting well is special in pit and advances hole and connect and draw platform, including panel, a plurality of longitudinal baffle and a plurality of girder web, the shape of panel and the shape of steel pipe bottom suit, and are a plurality of longitudinal baffle follows the length direction interval of panel is arranged, longitudinal baffle's length direction perpendicular to the length direction of panel, longitudinal baffle's top surface is connected the bottom surface of panel, the girder web sets up adjacent two between the longitudinal baffle, the top surface of girder web is connected the bottom surface of panel. The utility model discloses can adapt to the operation environment of departure tunnel portal, can let personnel, equipment material business turn over tunnel portal operation, activity more conveniently.

Description

Tunnel departure well is special in pit advances hole and connects and draws platform

Technical Field

The utility model relates to a steel construction installation technical field specifically is a tunnel departure well is special in pit to advance hole and connects and draw platform.

Background

In the installation and construction of the steel pipe with the ultra-large diameter in the tunnel, because steps with certain height usually exist when the steel pipe enters the tunnel from a tunnel well, the height of the steps exceeds the height set by the self-leap capacity of the equipment; because the existence of step, main equipment such as cross section operation platform in inside lining steel pipe and the tunnel, goods and materials can't directly enter into the tunnel in the well of starting out, need design a tunnel and start special tunnel that advances in the well in pit and connect and draw platform and guide other equipment to get into the tunnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's weak point, provide a tunnel departure well is special in pit and is advanced the hole and connect and draw the platform, should connect and draw the platform and can adapt to the operation environment of departure well tunnel portal, can let personnel, equipment material business turn over tunnel portal operation, activity more conveniently.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a tunnel starting well is special in pit and advances hole and connect and draw platform, includes panel, a plurality of longitudinal baffle and a plurality of girder web, the shape of panel and the shape of steel pipe bottom suit, and is a plurality of longitudinal baffle follows the length direction interval of panel is arranged, longitudinal baffle's length direction perpendicular to the length direction of panel, longitudinal baffle's top surface is connected the bottom surface of panel, the girder web sets up adjacent two between the longitudinal baffle, the top surface of girder web is connected the bottom surface of panel.

Furthermore, the length direction of the girder web plate is the same as that of the panel, and two adjacent longitudinal partition plates are connected to two ends of each girder web plate.

Furthermore, the girder webs are arranged in pairs, and each pair of girder webs is arranged between two adjacent longitudinal partition plates at intervals.

Further, the panel includes butt portion and two extensions, the shape of butt portion suits with the shape of steel pipe bottom, two the extension is located butt portion length direction's both sides.

Further, the abutting part and the two extending parts are of an integral structure.

Furthermore, the transverse partition plate also comprises wing plates, and the wing plates are fixed on the web plate of the main beam and the bottom surface of the longitudinal partition plate.

Further, the wing plate comprises a plurality of axial portions and radial portions, the axial portions are arranged in pairs, and each pair of the axial portions and the radial portions are alternately arranged; each girder web plate is correspondingly arranged on one axial part, and each longitudinal partition plate is correspondingly arranged on one radial part.

The reinforcing members are arranged on the side faces of the main beam web plates, the top faces of the reinforcing members are connected with the face plates, and the bottom faces of the reinforcing members are connected with the wing plates.

Further, the reinforcement includes first strengthening rib and second strengthening rib, first strengthening rib is located the lateral surface of girder web, the second strengthening rib is located the medial surface of girder web.

Furthermore, a plurality of mounting holes are formed in the two longitudinal partition plates arranged on the outer side, and the plurality of mounting holes are arranged in a matrix.

Compared with the prior art, the utility model discloses following beneficial effect has:

the connecting and guiding platforms are placed in a tunnel departure well and close to the step outside the tunnel opening, and the plurality of connecting and guiding platforms can be sequentially spliced end to end according to the length of the steel pipe so as to support the steel pipe; the pipe conveying trolley can open a tunnel through the connecting platform and penetrate through the steel pipe so as to lift the steel pipe and convey the steel pipe into the tunnel. Therefore, the connecting and guiding platform can adapt to the operation environment of the tunnel portal of the departure well, and people and equipment materials can conveniently enter and exit the tunnel portal for operation and activity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a perspective view of the middle connection platform of the present invention;

fig. 2 is a side view of the middle lead platform of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a usage state diagram of the middle connection platform of the present invention;

fig. 5 is a usage state diagram of another view angle of the middle connection platform of the present invention;

the reference numbers illustrate:

1-a panel; 11-an abutment; 12-an extension;

2-longitudinal partition board; 21-a first support part; 22-a second support; 201-mounting holes;

3-girder web;

4-wing plate; 41-axial portion; 42-a radial portion;

5-a reinforcement; 51-a first stiffener; 52-a second reinforcing rib;

6-steel pipe;

7-pipe conveying trolley.

Detailed Description

For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are only some of the described embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

As shown in fig. 1 and 2, the embodiment provides a tunnel starting well downhole dedicated entry guiding platform, which comprises a panel 1, a plurality of longitudinal partition plates 2 and a plurality of main beam webs 3, wherein the shape of the panel 1 is adapted to the shape of the bottom end of a steel pipe 6, the longitudinal partition plates 2 are arranged along the length direction of the panel 1 at intervals, the length direction of the longitudinal partition plates 2 is perpendicular to the length direction of the panel 1, the top surfaces of the longitudinal partition plates 2 are connected to the bottom surface of the panel 1, the main beam webs 3 are arranged between the two adjacent longitudinal partition plates 2, and the top surfaces of the main beam webs 3 are connected to the bottom surface of the panel 1.

The connecting and guiding platforms are placed in a tunnel departure well and close to the step outside the tunnel opening, and a plurality of connecting and guiding platforms can be sequentially spliced end to end according to the length of the steel pipe 6 so as to support the steel pipe 6; the pipe conveying trolley 7 can be driven out of the tunnel through the connecting and guiding platform and penetrates through the steel pipe 6 so as to lift the steel pipe 6 and convey the steel pipe into the tunnel.

Therefore, the connecting and guiding platform can adapt to the operation environment of the tunnel portal of the departure well, and people and equipment materials can conveniently enter and exit the tunnel portal for operation and activity.

As shown in fig. 1 and 3, in the present embodiment, the panel 1 is horizontally disposed, has a longitudinal direction the same as that of the steel pipe 6, and includes an abutting portion 11 and extending portions 12 extending on both sides of the abutting portion 11, the two extending portions 12 are located on both sides of the abutting portion 11 in the longitudinal direction, and the abutting portion 11 and the two extending portions 12 are an integral structure; the section of the abutting part 11 is in a concave arc shape, the shape of the arc is matched with the shape of the outer side surface of the steel pipe 6, so that the steel pipe 6 can be stably placed on the abutting part 11;

specifically, the abutting part 11 is used for abutting against the steel pipe 6, and the extending part 12 provides an adjustable guiding platform for placing the steel pipe 6; because the steel pipe 6 is frequently horizontally shaken when the crane transfers the steel pipe 6, the steel pipe 6 and the abutting part 11 are frequently misplaced when the crane transfers the steel pipe, the steel pipe 6 needs to be lifted again to transfer the steel pipe 6 again, the steel pipe 6 is difficult to be well placed at one time, the operation efficiency is reduced, and the project progress is delayed; by using the extension part 12 as an adjusting and guiding platform, when the steel pipe 6 falls and deviates due to horizontal shaking, the extension part 12 can abut against the steel pipe 6 firstly, and then a force is manually applied to the steel pipe 6 in the direction of the abutting part 11, so that the steel pipe 6 can move towards the abutting part 11, and the steel pipe 6 is dropped by matching with a crane, and the steel pipe 6 is placed on the abutting part 11. Thus, the operation error can be reduced and the operation efficiency can be improved.

As shown in fig. 1 and 2, in the present embodiment, the vertical partition boards 2 are vertically arranged, and a plurality of the vertical partition boards 2 are arranged at intervals along the length direction of the panel 1; the length direction of the longitudinal partition board 2 is vertical to the length direction of the panel 1, the shape of the top end of the longitudinal partition board 2 is matched with the shape of the bottom end of the panel 1, and the top surface of the longitudinal partition board 2 is connected with the bottom surface of the panel 1 to support the panel 1;

the longitudinal partition board 2 comprises a first supporting part 21 and second supporting parts 22 extending on two sides of the first supporting part 21, the two second supporting parts 22 are positioned on two sides of the first supporting part 21 in the length direction, and the first supporting part 21 and the two second supporting parts 22 are of an integral structure; the length of the first supporting part 21 is the same as the width of the abutting part 11, and the shape of the top end of the first supporting part 21 is adapted to the shape of the bottom end of the abutting part 11 so as to support the abutting part 11; the length of the second supporting part 22 is the same as the width of the corresponding extension part 12, and the shape of the top end of the second supporting part 22 is adapted to the shape of the bottom end of the extension part 12 so as to support the extension part 12; in this way, a stronger support structure can be provided to support the steel duct 6.

In addition, a plurality of mounting holes 201 are formed in the two longitudinal partition plates 2 arranged on the outer side, the mounting holes 201 are arranged in a matrix, and a connecting piece (such as a bolt and a nut) penetrates through the mounting holes 201 to fixedly splice the two guide platforms together.

As shown in fig. 1 and 2, in the present embodiment, the length direction of the spar webs 3 is the same as the length direction of the panel 1, the spar webs 3 are arranged in pairs, a pair of spar webs 3 is arranged between two adjacent longitudinal partitions 2, and each pair of spar webs 3 is arranged at intervals; the top surface of the main beam web 3 is connected with the bottom surface of the abutting part 11, and two ends of the main beam web are connected with two adjacent longitudinal partition plates 2. The rigidity can be improved by vertically connecting the main beam with the longitudinal partition plate 2; in other embodiments, only one girder web 3 may be disposed between two adjacent longitudinal partitions 2, and fixed to the center line of the panel 1.

As shown in fig. 1, in this embodiment, the guiding platform further includes wing plates 4, where the wing plates 4 and the face plate 1 are spaced from each other up and down and fixed at the bottom ends of the main beam web 3 and the longitudinal partition plate 2; said wing 4 comprises a plurality of axial portions 41 and radial portions 42; the longitudinal direction of the axial portion 41 is the same as the longitudinal direction of the main beam web 3, and the longitudinal direction of the radial portion 42 is the same as the longitudinal direction of the longitudinal partition plate 2; the axial portions 41 are arranged in pairs, and each pair of the axial portions 41 and the radial portions 42 are alternately arranged; each girder web 3 is correspondingly fixed on one axial part 41, and the center line of the girder web 3 is perpendicular to the center line of the axial part 41; each longitudinal partition 2 is fixed to a corresponding one of the radial portions 42; and the midline of the longitudinal partition wall 2 is perpendicular to the midline of the radial portion 42. Due to the complex structure of the tunnel ground, more gravels exist, and the connecting structure of the connecting platform can be damaged when the connecting platform is placed; or some ground soil is soft, so that the guide platform is easy to sink, and the guide platform is required to be normally used; the wing plate 4 is used for protecting the connecting structure of the main beam web plate 3 and the bottom end of the longitudinal partition plate 2, and can increase the ground stress area, so that the guiding platform can be stably placed at a tunnel opening.

As shown in fig. 3, in the present embodiment, the docking platform further includes a plurality of reinforcing members 5, each of the spar webs 3 has two reinforcing members 5, the reinforcing members 5 are disposed at intervals on the side surfaces of the spar web 3, the top surface of each reinforcing member 5 is connected to the panel 1, and the bottom surface of each reinforcing member 5 is connected to the wing plate 4; therefore, the strength and rigidity of the connecting and guiding platform can be enhanced, the material consumption is saved, the weight is reduced, and the cost is reduced.

The reinforcing member 5 includes a first reinforcing bead 51 and a second reinforcing bead 52; the first reinforcing rib 51 is fixed on the outer side surface of one main beam web 3, the top end of the first reinforcing rib 51 is connected with the panel 1, and the bottom end of the first reinforcing rib 51 is connected with the axial part 41; the second reinforcing rib 52 is fixed on the inner side surface of one main beam web 3, the top end of the second reinforcing rib 52 is connected with the panel 1, and the bottom end of the second reinforcing rib 52 is connected with the axial part 41.

As shown in fig. 3 and 5, in the present example, two longitudinal partition plates 2 arranged outside, the corresponding radial portions 42 and the corresponding end of the panel 1 form a vertical plane; therefore, seamless splicing of the two splicing platforms can be realized.

As shown in fig. 4 and 5, when the steel pipe 6 reaches the starting well, the guiding platform can be used as a guiding platform for placing the lining steel pipe 6, the steel pipe 6 is basically attached to the cambered surface of the guiding platform, and the guiding platform can be stably placed on the guiding platform to avoid shaking and rolling. The pipe conveying trolley 7 automatically steps on the guide platform through the splayed wheels with the stepping function and penetrates through the inner wall of the lining steel pipe 6 through self power. After the trolley passes through the lining steel pipe 6, the steel pipe 6 can be lifted up through a jacking device on the trolley and is transported into the tunnel integrally.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tunnel starting well is special in pit and advances hole and connect and draw platform which characterized in that, includes panel, a plurality of vertical partition plate and a plurality of girder web, the shape of panel and the shape of steel pipe bottom suit, and are a plurality of vertical partition plate is followed the length direction interval of panel is arranged, vertical partition plate's length direction perpendicular to the length direction of panel, vertical partition plate's top surface is connected the bottom surface of panel, the girder web sets up adjacent two between the vertical partition plate, the top surface of girder web is connected the bottom surface of panel.

2. The underground special hole entering and guiding platform for the tunnel departure well according to claim 1, wherein the length direction of the main beam web is the same as the length direction of the face plate, and two ends of each main beam web are connected with two adjacent longitudinal partition plates.

3. The underground special tunnel entering and guiding platform for the tunnel departure well according to claim 2, wherein the main beam webs are arranged in pairs, and each pair of the main beam webs is arranged between two adjacent longitudinal partition plates at intervals.

4. The underground special hole entering and guiding platform for the tunnel departure well according to claim 3, wherein the panel comprises an abutting portion and two extending portions, the shape of the abutting portion is matched with the shape of the bottom end of the steel pipe, and the two extending portions are located on two sides of the abutting portion in the length direction.

5. The special downhole tunnel entering and guiding platform for the tunnel departure well according to claim 4, wherein said abutting portion and said two extending portions are an integral structure.

6. The underground special tunnel entering and guiding platform for the tunnel departure well according to claim 5, further comprising a wing plate fixed to the web of the main beam and the bottom surface of the longitudinal partition.

7. The special entry landing gear for the underground of a tunnel departure well according to claim 6, wherein said wing plates comprise a plurality of axial portions and radial portions, said axial portions being arranged in pairs, each pair of said axial portions and said radial portions being arranged alternately; each girder web plate is correspondingly arranged on one axial part, and each longitudinal partition plate is correspondingly arranged on one radial part.

8. The tunnel departure well downhole dedicated entry landing according to claim 7, further comprising a plurality of reinforcements arranged on the side of the web of the main beam, wherein the top surface of the reinforcement is connected to the face plate, and the bottom surface of the reinforcement is connected to the wing plate.

9. The special tunnel entering and guiding platform for the tunnel departure well downhole according to claim 8, wherein the reinforcing member comprises a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is located on the outer side surface of the main beam web, and the second reinforcing rib is located on the inner side surface of the main beam web.

10. The underground special hole entering and guiding platform for the tunnel departure well according to claim 1, wherein a plurality of mounting holes are formed in two longitudinal partition plates arranged on the outer side, and the plurality of mounting holes are arranged in a matrix.