CN209195415U - Shield launching counterforce device - Google Patents
Shield launching counterforce device Download PDFInfo
- Publication number
- CN209195415U CN209195415U CN201822098778.7U CN201822098778U CN209195415U CN 209195415 U CN209195415 U CN 209195415U CN 201822098778 U CN201822098778 U CN 201822098778U CN 209195415 U CN209195415 U CN 209195415U
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- steel
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Abstract
The utility model provides a kind of shield launching counterforce device.The counterforce device includes arc guide table, benchmark steel loop and back strut steel pipe, is equipped with benchmark steel loop installation gap in the position that arc guide table corresponds to shield launching end face, and in the position that Tunnel Second Lining corresponds to benchmark steel loop installation gap the first steel plate of a pre-buried circle；The benchmark steel loop is mounted on the shield launching end face of shield drive end unit when shield machine is placed in originating terminal, and the welding of the first steel plate in Tunnel Second Lining is directly supportted and is embedded in by more H profile steels on the outside of its circumferential direction, the side far from shield machine is welded with the steel plate being embedded in arc guide table and Tunnel Second Lining respectively by two back strut steel pipes and Duo Gen shape H profile steel support rod.The utility model it is structurally simple, economical it is practical, easy to process, perform it is quick, be easy to remove, effectively reduce and originate the duration.
Description
Technical field
The utility model relates to shield launching counterforce device, specifically a kind of shield launching counterforce device.
Background technique
Counterforce device used by shield launching is mostly to perform reinforcing bar in shield launching benchmark ring position to mix in tunnel at present
Solidifying soil counter-force ring, is abolished, scarfing cinder after completing, the process of performing need to by assembling reinforcement, formwork, casting concrete, demoulding,
The multiple working procedures such as maintenance, consume a large amount of manpower and material resources, and construction duration is long, at high cost, and after the completion of originating, armored concrete
Counter-force ring i.e. scrapped, the material used cannot reuse, largely delay when abolishing scarfing cinder the shield duration, pollution it is larger,
Therefore a kind of counterforce device of innovative design.
Summary of the invention
Deficiency provides one kind for shield launching counterforce device in tunnel, the counter-force to the utility model according to prior art
The processing is simple for frame, quick construction, convenient disassembly, is effectively controlled the range of pollution, and material can reuse.
A kind of technical solution provided by the utility model: shield launching counterforce device, it is characterised in that: the counter-force
Frame includes arc guide table, benchmark steel loop and back strut steel pipe, and the arc guide table is using C35 plain concrete in the mixed of tunnel bottom
The guide table that masonry forms and radian and shield machine match on solidifying earthen backfill layer is equipped with shield in the arc part of arc guide table
Machine originates rail, is equipped with benchmark steel loop installation gap in the position that arc guide table corresponds to shield launching end face, and in tunnel two
Secondary lining cutting corresponds to position the first steel plate of a pre-buried circle of benchmark steel loop installation gap, and is located at the first steel plate below benchmark steel loop
It is embedded in concrete backfill layer；The radial H profile steel of a circle is welded on the outside of the circumferential face of benchmark steel loop directly to support, it is described
Back strut steel pipe has two, anchor ring middle part of the benchmark steel loop far from shield machine is symmetrically welded at, and oblique downward, in benchmark steel
Ring is welded with more H profile steel support rods far from dispersion on the anchor ring of shield machine, and more H profile steel support rods are distributed in benchmark in a ring
On the anchor ring of steel loop, and the H profile steel support rod for being located at benchmark steel loop lower part is horizontal, the H fashioned iron positioned at quasi- steel loop middle and upper part
Support rod is at skewed；The benchmark steel loop is mounted on the shield launching end of shield drive end unit when shield machine is placed in originating terminal
Face, and the welding of the first steel plate in Tunnel Second Lining is directly supportted and is embedded in by more H profile steels on the outside of its circumferential direction, two are anti-
Support steel pipe lower end is welded with the second steel plate being embedded in arc guide table, and the horizontal H profile steel positioned at benchmark steel loop lower part supports
The bar other end is welded with the third steel plate being embedded in arc guide table, and the skewed H profile steel positioned at benchmark steel loop middle and upper part supports
The bar other end is welded with the 4th steel plate being embedded in Tunnel Second Lining respectively.
The utility model preferably technical solution: the H profile steel, which directly supports, is equipped with 20-24 root, is equidistantly dispersed in benchmark steel loop
On the outside of annular surface, and adjacent H profile steel directly support between spacing be 300mm-500mm；The H profile steel support rod is equipped with 16-20
Root, wherein the H profile steel support rod of horizontality is equipped with 2-5 root.
The utility model preferably technical solution: it is 45-60 ° that two back strut steel pipes, which tilt down angle, described the
Two steel plates are symmetrically embedded in the level support platform of arc part two sides of arc guide table.
The utility model preferably technical solution: second steel plate and third steel plate are embedded in arc guide table and are located at base
Quasi- side of the steel loop installation gap far from shield machine.
The utility model preferably technical solution: first steel plate, third steel plate and the 4th steel plate be all made of with a thickness of
10mm, the steel plate having a size of 400 × 400mm；Second steel plate uses with a thickness of 10mm, the steel having a size of 1000 × 1000mm
Plate.
The utility model preferably technical solution: the benchmark steel loop is the internal diameter being spliced by four blocks of arc steel loops
5400mm, the steel loop of outer diameter 6000mm, 300 × 400mm of steel loop cross dimensions.
The utility model preferably technical solution: the H profile steel directly support and H profile steel support rod be all made of model 250 ×
250 × 9 × 14 H profile steel；The back strut steel pipe uses diameter for the steel pipe of φ 609mm.
The utility model it is structurally simple, economical it is practical, easy to process, perform it is quick, be easy to remove, effectively reduce the beginning
The duration is sent out, controls the pollution for abolishing operation well；The utility model all uses steel in addition to all material, welding and
At depending on the angle that diagonal brace, counter-force support can be checked according to the actual situation；Material used in the utility model reaction frame
It is simple for production to be recycled, it is economical and practical.
Detailed description of the invention
Fig. 1 is the utility model shield launching counterforce device main view；
Fig. 2 is the AA sectional view of Fig. 1；
In figure: 1-Tunnel Second Lining, 2-concrete backfill layers, 3-arc guide table, 4-shield launching rail,
5-shield machines, 6-benchmark steel loops, 7-suspension hooks, the 8-the first steel plate, the 9-the second steel plate, 10-H profile steels directly support, 11-H profile steels
Support rod, 12-benchmark steel loop installation gaps, 13-back strut steel pipes, 14-third steel plates, the 15-the four steel plate.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.It is as shown in Figure 1 and Figure 2 a kind of for shield in tunnel
The reaction frame that structure originates, it is characterised in that: the reaction frame includes arc guide table 3, benchmark steel loop 6 and back strut steel pipe 13, described
Arc guide table 3 is builds to form and radian and shield machine 5 on the concrete backfill layer 2 of tunnel bottom using C35 plain concrete
The guide table to match is equipped with shield launching rail 4 in the arc part of arc guide table 3, and the shield launching rail 4 is equipped with
It two, is arranged side by side, originates propulsion for shield machine.Base is equipped in the position of the corresponding shield launching end face of arc guide table 3
Quasi- steel loop installation gap 12, and in position the first steel of a pre-buried circle of the corresponding benchmark steel loop installation gap 12 of Tunnel Second Lining 1
Plate 8, the first steel plate 8 positioned at 6 lower section of benchmark steel loop are embedded in concrete backfill layer 2.
As depicted in figs. 1 and 2, the radial H profile steel of a circle is welded on the outside of the circumferential face of benchmark steel loop 6 directly to support
10, the H profile steel directly supports 10 and is equipped with 20-24 root, is equidistantly dispersed on the outside of 6 annular surface of benchmark steel loop, and adjacent H profile steel is straight
Spacing between support 10 is 300mm-500mm.The back strut steel pipe 13 has two, is symmetrically welded at benchmark steel loop 6 far from shield
In the middle part of the anchor ring of machine, and downward in 45-60 ° of inclination, dispersion is welded with more H on anchor ring of the benchmark steel loop 6 far from shield machine
Type steel support bar 11, more H profile steel support rods 11 are distributed in a ring on the anchor ring of benchmark steel loop 6, and are located under benchmark steel loop 6
The H profile steel support rod in portion is horizontal, and the H profile steel support rod positioned at quasi- 6 middle and upper part of steel loop is at skewed, the H profile steel support
Bar 11 is equipped with 16-20 root, and wherein the H profile steel support rod 11 of horizontality is equipped with 2-5 root.The benchmark steel loop 6 is in shield machine 5
It is mounted on the shield launching end face of shield drive end unit when being placed in originating terminal, and is directly supportted by more H profile steels on the outside of its circumferential direction
10 weld with the first steel plate 8 for being embedded in Tunnel Second Lining 1, two 13 lower ends of back strut steel pipe and are embedded in arc guide table 3
On the second steel plate 9 welding, positioned at 6 lower part of benchmark steel loop the horizontal H type steel support bar other end and be embedded in arc guide table
Third steel plate 14 on 3 welds, positioned at 6 middle and upper part of benchmark steel loop the skewed H profile steel support rod other end respectively be embedded in
The 4th steel plate 15 welding in Tunnel Second Lining 1.Second steel plate 9 and third steel plate 14 are embedded in arc guide table 3
In 12 side far from shield machine 5 of benchmark steel loop installation gap, the second steel plate 9 is symmetrically embedded in the arc part of arc guide table 3
In the level support platform of two sides.
Below with reference to embodiment, the present invention will be further described, anti-for shield launching in certain tunnel in embodiment
The first steel plate 8, third steel plate 14 and the 4th steel plate 15 in power frame are all made of with a thickness of 10mm, having a size of 400 × 400mm's
Steel plate；Second steel plate 9 uses with a thickness of 10mm, the steel plate having a size of 1000 × 1000mm.The benchmark steel loop is by four
The internal diameter 5400mm that block arc steel loop is spliced, the steel loop of outer diameter 6000mm, 300 × 400mm of steel loop cross dimensions.Institute
State the H profile steel that H profile steel directly supports 10 and H profile steel support rod 11 is all made of model 250 × 250 × 9 × 14；The back strut steel pipe 13
Use diameter for the steel pipe of φ 609mm.Its Specific construction process is as follows:
(1) according to common process construction tunnel secondary lining 1, and pre-buried suspension hook 7, the first steel plate 8, the second steel plate 9, third
Steel plate 14 and the 4th steel plate 15, the main function of suspension hook 7 are the installations for assisting H profile steel support；
(2) it constructs concrete backfill layer 2 and arc guide table 3 in tunnel bottom, unwrapping wire location and installation shield launching rail 4,
The propulsion of shield machine 5 is originated into portal face, adjusts shield attitude；
(3) location and installation shield launching benchmark steel loop 6, and by more H-types directly support 10 and first pre-embedded steel slab 8 welding plus
Gu；
(4) in 6 radial outer side welded H section steel support rod 11 of benchmark steel loop, the inclined support bar and tunnel two of middle and upper part
The 4th pre-buried steel plate 15 welding in secondary lining cutting 1, inclined support bar and tunnel sidewalls shape form an angle, and (specific angle is according to reality
Depending on situation is checked), bottom three are horizontal brace, are welded on the third steel plate 14 for being embedded in 3 side of arc guide table.
(5) in the back strut steel for each side welding 45 degree of angles of sagittal plane of the benchmark steel loop 1 far from shield machine 5
Pipe 13 installs chain block using pre-buried suspension hook 7, positions back strut steel pipe 13, and corresponding with 3 upper surface of arc guide table is embedded in
The second steel plate 9 welding, as counter-force support, complete the welding of shield launching reaction frame in entire Tunnel.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., the orientation or positional relationship of instruction are orientation based on the figure or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
The above, only one embodiment of the utility model, above described embodiment only expresses this, description compared with
To be specific and detailed, but it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made,
These are all within the protection scope of the present invention.Therefore, the protection scope of the utility model should be determined by the appended claims.
Claims (7)
1. a kind of shield launching counterforce device, it is characterised in that: the counterforce device includes arc guide table (3), benchmark steel loop (6)
With back strut steel pipe (13), the arc guide table (3) is to use C35 plain concrete on the concrete backfill layer (2) of tunnel bottom
The guide table that masonry forms and radian and shield machine (5) match is equipped with shield launching in the arc part of arc guide table (3)
Rail (4) is equipped with benchmark steel loop installation gap (12) in the position of arc guide table (3) corresponding shield launching end face, and in tunnel
The pre-buried circle the first steel plate (8) in the position of road secondary lining (1) corresponding benchmark steel loop installation gap (12), and it is located at benchmark steel loop
(6) the first steel plate (8) below is embedded in concrete backfill layer (2)；One is welded on the outside of the circumferential face of benchmark steel loop (6)
It encloses radial H profile steel and directly supports (10), the back strut steel pipe (13) has two, is symmetrically welded at benchmark steel loop (6) far from shield
In the middle part of the anchor ring of structure machine, and it is oblique downward, and dispersion is welded with more H on the anchor ring of benchmark steel loop (6) far from shield machine
Type steel support bar (11), more H profile steel support rods (11) are distributed in a ring on the anchor ring of benchmark steel loop (6), and are located at benchmark
The H profile steel support rod of steel loop (6) lower part is horizontal, is located at the H profile steel support rod of quasi- steel loop (6) middle and upper part at skewed；Institute
The shield launching end face that benchmark steel loop (6) is mounted on shield drive end unit when shield machine (5) is placed in originating terminal is stated, and passes through it
The more H profile steels in circumferential outside directly support (10) and weld with the first steel plate (8) being embedded in Tunnel Second Lining (1), and two anti-
Support steel pipe (13) lower end is welded with the second steel plate (9) being embedded on arc guide table (3), is located at the water of benchmark steel loop (6) lower part
The flat-shaped H profile steel support rod other end is welded with the third steel plate (14) being embedded on arc guide table (3), is located at benchmark steel loop (6)
The skewed H profile steel support rod other end of middle and upper part is welded with the 4th steel plate (15) being embedded in Tunnel Second Lining (1) respectively
It connects.
2. a kind of shield launching counterforce device according to claim 1, it is characterised in that: the H fashioned iron directly supports (10) and sets
There is 20-24 root, is equidistantly dispersed on the outside of benchmark steel loop (6) annular surface, and the spacing that adjacent H profile steel directly supports between (10) is
300mm-500mm；The H profile steel support rod (11) is equipped with 16-20 root, and wherein the H profile steel support rod (11) of horizontality is equipped with
2-5 root.
3. a kind of shield launching counterforce device according to claim 1, it is characterised in that: two back strut steel pipes (13)
Tilting down angle is 45-60 °, and second steel plate (9) is symmetrically embedded in the level of the arc part two sides of arc guide table (3)
In supporting table.
4. a kind of shield launching counterforce device according to claim 1, it is characterised in that: second steel plate (9) and
Three steel plates (14) are embedded in the side that arc guide table (3) is located at benchmark steel loop installation gap (12) separate shield machine (5).
5. a kind of shield launching counterforce device according to claim 1, it is characterised in that: first steel plate (8), third
Steel plate (14) and the 4th steel plate (15) are all made of the steel plate with a thickness of 10mm, having a size of 400 × 400mm；Second steel plate (9)
Using with a thickness of 10mm, the steel plate having a size of 1000 × 1000mm.
6. a kind of shield launching counterforce device according to claim 1, it is characterised in that: the benchmark steel loop is by four pieces
The internal diameter 5400mm that arc steel loop is spliced, the steel loop of outer diameter 6000mm, 300 × 400mm of steel loop cross dimensions.
7. a kind of shield launching counterforce device according to claim 1, it is characterised in that: the H profile steel directly supports (10) and H
Type steel support bar (11) is all made of the H profile steel of model 250 × 250 × 9 × 14；The back strut steel pipe (13) uses diameter for φ
The steel pipe of 609mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098778.7U CN209195415U (en) | 2018-12-13 | 2018-12-13 | Shield launching counterforce device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098778.7U CN209195415U (en) | 2018-12-13 | 2018-12-13 | Shield launching counterforce device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195415U true CN209195415U (en) | 2019-08-02 |
Family
ID=67429101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822098778.7U Active CN209195415U (en) | 2018-12-13 | 2018-12-13 | Shield launching counterforce device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454178A (en) * | 2019-09-05 | 2019-11-15 | 中铁隧道局集团有限公司 | It is originated in large-diameter shield auger with counter-force structure production method and counter-force structure |
-
2018
- 2018-12-13 CN CN201822098778.7U patent/CN209195415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454178A (en) * | 2019-09-05 | 2019-11-15 | 中铁隧道局集团有限公司 | It is originated in large-diameter shield auger with counter-force structure production method and counter-force structure |
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