CN113898353A - Pipe jacking machine construction structure and construction method - Google Patents
Pipe jacking machine construction structure and construction method Download PDFInfo
- Publication number
- CN113898353A CN113898353A CN202111278366.1A CN202111278366A CN113898353A CN 113898353 A CN113898353 A CN 113898353A CN 202111278366 A CN202111278366 A CN 202111278366A CN 113898353 A CN113898353 A CN 113898353A
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- Prior art keywords
- groove
- bearing
- jacking machine
- pipe
- pipe jacking
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 239000011440 grout Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The application discloses a pipe jacking machine construction structure and a construction method, wherein the construction structure comprises two bearing piles which are respectively used for being inserted into soil layers on two sides of a pipe sleeve along the vertical direction, abutting rods are connected in the bearing piles in a sliding mode, and the abutting rods slide to partially extend out of the bearing piles and support the pipe sleeve; still including being used for the drive the gliding driving piece of butt joint pole, this application has the effect of improving the problem that the pipe box subsides easily.
Description
Technical Field
The invention relates to the field of pipe jacking construction, in particular to a pipe jacking machine construction structure and a pipe jacking machine construction method.
Background
At present, in underground engineering, a pipe jacking machine is often needed, and a tunnel can be excavated underground through the pipe jacking machine so as to facilitate the construction of the underground engineering.
In the related art, during the construction of the pipe jacking machine, the head of the pipe jacking machine is generally excavated and pushed to form a through hole, and meanwhile, the pipe sleeve is pushed into the through hole through a hydraulic cylinder.
In view of the above-mentioned related technologies, the inventor believes that, in the long-term use process, especially at the position of a soft soil foundation, the pipe sleeve is easy to settle under the action of external force generated in the tunnel construction process or other reasons, so that potential safety hazards are generated in tunnel construction.
Disclosure of Invention
In order to solve the problem that a pipe sleeve is easy to settle, the application provides a pipe jacking machine construction structure and a construction method.
In a first aspect, the application provides a push bench construction structure, which adopts the following technical scheme:
a push bench construction structure and a construction method comprise two bearing piles which are respectively used for being inserted into soil layers on two sides of a pipe sleeve along the vertical direction, wherein a butting rod is connected in the bearing piles in a sliding mode and slides to partially extend out of the bearing piles and support the pipe sleeve; the driving piece is used for driving the abutting rod to slide.
By adopting the technical scheme, during the use and the pipe jacking construction, the proper positions on the two sides of the pipe jacking construction tunnel are respectively inserted into the row of bearing piles, then the pipe jacking construction is carried out, after the pipe sleeve enters the tunnel, the abutting rod is driven to slide by the driving piece until the abutting rod abuts against the lower end of the pipe sleeve to support the pipe sleeve, so that the probability of pipe sleeve settlement can be reduced in the subsequent use process of the pipe sleeve, and the possibility of potential safety hazard generation is reduced.
Optionally, a communicating groove is formed in the bearing pile, a mounting groove is formed in the upper end of the bearing pile, a first sliding groove for enabling the abutting rod to slide is formed in the bearing pile, the first sliding groove is communicated with the communicating groove, the mounting groove is communicated with the communicating groove, the driving piece comprises a piston plate, the piston plate is arranged in the mounting groove, the piston plate vertically moves to drive the abutting rod to move, and a positioning assembly for positioning the piston plate is arranged on the bearing pile.
Through adopting above-mentioned technical scheme, when the drive butt joint pole removed, promoted the piston board to the intercommunication groove produces the change with the mounting groove internal gas pressure, makes the butt pole move outward and wear out the bearing pile, then through the position of locating component location piston board can, this driving piece simple structure, convenient operation.
Optionally, the positioning assembly includes a spring and a fixture block, a yielding groove into which the fixture block is completely clamped is formed in a side wall of the mounting groove, the fixture block is inserted into the yielding groove, the spring is fixed in the yielding groove along the insertion direction of the fixture block, the fixture block is fixedly connected with the spring, and when the spring is not deformed, the fixture block is partially clamped in the yielding groove; the fixture block is used for abutting against the upper surface of the piston plate so as to position the piston plate.
By adopting the technical scheme, when the piston plate moves downwards, the fixture block is pressed, so that the fixture block completely enters the abdicating groove until the piston plate completely passes through the fixture block, and at the moment, the fixture block is reset under the action of the spring, so that the piston plate is limited between the bottom surface of the mounting groove and the fixture block; the positioning assembly is simple in structure and convenient to operate.
Optionally, the upper surface of the fixture block is an arc convex surface.
Through adopting above-mentioned technical scheme, the cambered surface setting of fixture block receives the effort that comes from the piston plate with the fixture block and decomposes into the power that impels the fixture block in the groove of stepping down completely to can reduce operating procedure, make things convenient for operating personnel to operate.
Optionally, the bearing pile further comprises a connecting rod, and two ends of the connecting rod in the length direction are respectively in threaded connection with the piston plates on the two bearing piles.
Through adopting above-mentioned technical scheme, after the bearing pile construction finished, with the both ends difference threaded connection of connecting rod on the piston plate of two bearing piles to can draw two bearing piles to each other, prevent the bearing pile skew, the bearing pile of pipe box both sides is drawn together to the while through the connecting rod, thereby makes the bearing pile form a whole, strengthens the overall stability of bearing pile.
Optionally, a grouting barrel used for inserting a soil layer is arranged on the connecting rod in a penetrating mode in the vertical direction, the grouting barrel is arranged in a hollow mode, and grout discharging holes are formed in the outer wall of the grouting barrel.
Through adopting above-mentioned technical scheme, the connecting rod installation finishes the back, wears to establish a grout section of thick bamboo on the connecting rod, and after grout section of thick bamboo inserted the soil layer to suitable position, pour into the concrete through the concrete pump in grout section of thick bamboo, the concrete is through arranging grout hole overflow to the soil layer in, after solidifying, grout section of thick bamboo and soil layer form a whole, and grout section of thick bamboo and connecting rod location are in the same place to can strengthen the stability of whole structure.
Optionally, a second sliding groove communicated with the communicating groove is formed in the bearing pile, and a reinforcing rod extending out of the bearing pile is connected in the second sliding groove in a sliding mode.
Through adopting above-mentioned technical scheme, during the use, because spout two and intercommunication groove intercommunication, the same driving piece can drive the anchor strut and move outward to the anchor strut moves outward and can insert in the soil layer, further strengthens the area of contact who bears stake and soil layer, promotes the stability that bears the stake outward.
Optionally, the reinforcing rod is gradually away from the communicating groove along the direction close to the lower end of the communicating groove in the length direction.
Through adopting above-mentioned technical scheme, further promote the stability of bearing pile.
In a second aspect, the application provides a construction method of a push bench construction structure, which adopts the following technical scheme:
a construction method of a pipe jacking machine construction structure comprises the following steps: step 1, inserting bearing piles into soil layers on two sides of a tunnel to be constructed according to a construction drawing, and adjusting the distance between two adjacent bearing piles;
and 3, driving the abutting rod to slide through the driving piece until the abutting rod abuts against the lower end of the pipe sleeve to support the pipe sleeve.
Through adopting above-mentioned technical scheme, insert two rows of bearing piles in the soil layer before the construction, can guarantee the stability of soil layer to the push pipe construction of being convenient for.
To sum up, the application comprises the following beneficial technical effects:
this application is when using, during the push pipe construction, inserts one row of bearing pile respectively with push pipe construction tunnel both sides suitable position, then carries out the push pipe construction, and the pipe sleeve gets into the tunnel after, slides through driving piece drive butt pole, until butt pole butt in the pipe sleeve lower extreme in order to support the pipe sleeve to the pipe sleeve can reduce the probability that the pipe sleeve subsides in follow-up use, reduces the possibility that the potential safety hazard produced.
Drawings
FIG. 1 is a schematic overall structure diagram of a push bench construction structure and a construction method according to an embodiment of the present application;
fig. 2 is a sectional view of fig. 1.
Description of reference numerals:
1. carrying piles; 2. a communicating groove; 3. mounting grooves; 4. a butting rod; 5. a first sliding chute; 6. a reinforcing rod; 7. a second chute; 8. a bump; 9. a piston plate; 10. a spring; 11. a clamping block; 12. a connecting rod; 13. mounting a rod; 14. a grouting cylinder; 15. a slurry discharge hole; 16. the anti-drop ring; 17. pipe sleeve; 18. a limiting block; 19. a yielding groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
Example 1;
the embodiment of the application discloses a push bench construction structure and a construction method. Referring to fig. 1 and 2, the structure includes two rows of load-bearing piles 1, where the two rows of load-bearing piles 1 are respectively used for being inserted into soil layers on two sides of a pipe sleeve 17 in a vertical direction, in this embodiment, the number of the pipe sleeves 17 is illustrated as three, the number of the load-bearing piles 1 in no row is also three, and one load-bearing pile 1 is respectively arranged on two sides of each pipe sleeve 17; the bearing pile 1 is provided with a supporting mechanism for supporting the pipe sleeve 17.
Seted up intercommunication groove 2 in the bearing pile 1, 2 length direction in intercommunication groove sets up along 1 length direction of bearing pile, mounting groove 3 has been seted up to 1 upper end of bearing pile, mounting groove 3 and intercommunication groove 2 intercommunication, supporting mechanism includes that sliding connection connects pole 4 and be used for the drive to connect the gliding driving piece of pole 4 on bearing pile 1, 4 length direction of butt pole and sliding direction all radially set up along bearing pile 1, set up on the bearing pile 1 and supply the gliding spout of butt pole 5, spout 5 and intercommunication groove 2 intercommunication.
In order to prevent the pipe sleeves 17 from being horizontally shifted, in the present embodiment, two abutting rods 4 are provided, and the shortest connecting line of the two abutting rods 4 is provided along the length direction of the load-bearing pile 1, wherein one abutting rod 4 abuts against the lower end of the pipe sleeve 17, and the other abutting rod 4 abuts against the middle area of the pipe sleeve 17 (as shown in the figure).
In this embodiment, in order to strengthen the stability of bearing pile 1, sliding connection has a plurality of anchor strut 6 on bearing pile 1, sets up on bearing pile 1 and supplies the gliding spout two 7 of anchor strut 6, and spout two 7 and intercommunication groove 2 intercommunication, anchor strut 6 are the slope setting, and anchor strut 6 length direction is along being close to 2 lower extreme directions in intercommunication groove and keeping away from intercommunication groove 2 gradually, and anchor strut 6 and butt pole 4 are through same driving piece drive.
In order to prevent the reinforcing rod 6 from separating from the second sliding groove 7, a convex block 8 is fixedly connected to the reinforcing rod 6, so that the reinforcing rod 6 can be prevented from separating from the second sliding groove 7; the abutting rod 4 will abut against the pipe sleeve 17 after being partially extended, so that the abutting rod 4 does not need an anti-falling structure.
The driving piece comprises a piston plate 9, the piston plate 9 is connected in the mounting groove 3 in a sliding mode along the vertical direction, the piston plate 9 and the mounting groove 3 are of a sealing structure, the piston plate 9 moves downwards to drive the abutting rod 4 to extend out of the bearing pile 1 and abut against the lower end of the pipe sleeve 17 to support the pipe sleeve 17.
A positioning assembly used for positioning the position of the piston plate 9 is arranged in the mounting groove 3, the positioning assembly comprises a spring 10 and a fixture block 11, the lower end of the inner wall of the mounting groove 3 is fixedly connected with a limiting block 18, an abdicating groove 19 for the fixture block 11 to be completely inserted is formed in the inner wall of the mounting groove 3 below the limiting block 18, the fixture block 11 is inserted in the abdicating groove 19, the spring 10 is fixedly connected in the abdicating groove 19 along the inserting direction of the fixture block 11, the fixture block 11 is fixedly connected with the spring 10, when the spring 10 is not deformed, the fixture block 11 is partially positioned in the abdicating groove 19, and the part of the upper surface of the fixture block 11, which is positioned outside the abdicating groove 19, is an arc-shaped convex surface; the distance from the upper surface of the stopper 18 to the lower surface of the latch 11 is equal to the thickness of the piston plate 9.
In another embodiment, the positioning element can also be a screw, by means of which the piston plate 9 is fixed.
In this embodiment, the structure further includes a connecting rod 12, both ends of the connecting rod 12 in the length direction are rotatably connected with mounting rods 13, the length direction and the rotation axis of the mounting rods 13 are both arranged along the vertical direction, and the mounting rods 13 are used for being in threaded connection with the upper surface of the piston plate 9.
Go up along vertical direction and wear to be equipped with a plurality of grout section of thick bamboo 14 that are used for inserting the soil layer on connecting rod 12, in this embodiment, grout section of thick bamboo 14 sets up to three, and grout section of thick bamboo 14 is the cavity setting, and has seted up a plurality of rows of grout holes 15 on grout section of thick bamboo 14, and grout section of thick bamboo 14 upper end outer wall fixedly connected with anticreep ring 16 avoids grout section of thick bamboo 14 to break away from connecting rod 12.
Example 2;
the embodiment of the application also discloses a construction method of the pipe jacking machine construction structure, which comprises the following steps with reference to fig. 1 and 2:
step 1, inserting bearing piles 1 into soil layers on two sides of a tunnel to be constructed according to a construction drawing, and adjusting the distance between two adjacent bearing piles 1;
and 4, penetrating a grouting cylinder 14 through the connecting rod 12, and after the grouting cylinder 14 is inserted into a soil layer, injecting concrete into the grouting cylinder 14 through a grouting machine until the concrete is solidified.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a push bench construction structures which characterized in that: the bearing pile comprises two bearing piles (1) which are respectively inserted into soil layers on two sides of a pipe sleeve (17) along the vertical direction, wherein a butting rod (4) is connected in the bearing pile (1) in a sliding manner, and the butting rod (4) slides to partially extend out of the bearing pile (1) and support the pipe sleeve (17); the device also comprises a driving piece for driving the abutting rod (4) to slide.
2. The pipe jacking machine construction structure of claim 1, wherein: seted up intercommunication groove (2) in bearing pile (1), mounting groove (3) have been seted up to bearing pile (1) upper end, the confession has been seted up on bearing pile (1) the gliding spout (5) of butt joint pole (4), spout (5) with intercommunication groove (2) intercommunication, mounting groove (3) with intercommunication groove (2) intercommunication, the driving piece includes piston board (9), piston board (9) set up in mounting groove (3), piston board (9) vertical removal is in order to drive butt joint pole (4) remove, be equipped with on bearing pile (1) and be used for the location the locating component of piston board (9) position.
3. The pipe jacking machine construction structure of claim 2, wherein: the positioning assembly comprises a spring (10) and a clamping block (11), an abdicating groove (19) for the clamping block (11) to be completely clamped in is formed in the side wall of the mounting groove (3), the clamping block (11) is inserted in the abdicating groove (19), the spring (10) is fixed in the abdicating groove (19) along the inserting direction of the clamping block (11), the clamping block (11) is fixedly connected with the spring (10), and when the spring (10) is not deformed, part of the clamping block (11) is clamped in the abdicating groove (19); the fixture block (11) is used for abutting against the upper surface of the piston plate (9) so as to position the piston plate (9).
4. The pipe jacking machine construction structure of claim 3, wherein: the upper surface of the clamping block (11) is an arc convex surface.
5. The pipe jacking machine construction structure of claim 2, wherein: the bearing pile is characterized by further comprising a connecting rod (12), wherein two ends of the connecting rod (12) in the length direction are respectively in threaded connection with the piston plates (9) on the two bearing piles (1).
6. The pipe jacking machine construction structure of claim 5, wherein: a grouting cylinder (14) used for inserting a soil layer is arranged on the connecting rod (12) in a penetrating mode in the vertical direction, the grouting cylinder (14) is arranged in a hollow mode, and grout discharging holes (15) are formed in the outer wall of the grouting cylinder (14).
7. The pipe jacking machine construction structure of claim 2, wherein: a second sliding groove (7) communicated with the communicating groove (2) is formed in the bearing pile (1), and a reinforcing rod (6) extending out of the bearing pile (1) is connected in the second sliding groove (7) in a sliding mode.
8. The pipe jacking machine construction structure of claim 7, wherein: the reinforcing rod (6) is gradually far away from the communicating groove (2) along the length direction close to the lower end direction of the communicating groove (2).
9. The construction method of the pipe jacking machine construction structure according to any one of claims 1 to 8, characterized in that: the method comprises the following steps: step 1, inserting bearing piles (1) into soil layers on two sides of a tunnel to be constructed according to a construction drawing, and adjusting the distance between two adjacent bearing piles (1);
step 2, a tunnel is arranged between the two rows of bearing piles (1) through a pipe jacking machine, and after construction is finished, the pipe sleeve (17) is retained in the tunnel;
and 3, driving the abutting rod (4) to slide through the driving piece until the abutting rod (4) abuts against the lower end of the pipe sleeve (17) to support the pipe sleeve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111278366.1A CN113898353B (en) | 2021-10-30 | 2021-10-30 | Construction structure and construction method of push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111278366.1A CN113898353B (en) | 2021-10-30 | 2021-10-30 | Construction structure and construction method of push bench |
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| Publication Number | Publication Date |
|---|---|
| CN113898353A true CN113898353A (en) | 2022-01-07 |
| CN113898353B CN113898353B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111278366.1A Active CN113898353B (en) | 2021-10-30 | 2021-10-30 | Construction structure and construction method of push bench |
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2021
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| CN113898353B (en) | 2024-02-02 |
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