CN115125982A - Biogas soil layer pile foundation accessory - Google Patents
Biogas soil layer pile foundation accessory Download PDFInfo
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- CN115125982A CN115125982A CN202210918774.7A CN202210918774A CN115125982A CN 115125982 A CN115125982 A CN 115125982A CN 202210918774 A CN202210918774 A CN 202210918774A CN 115125982 A CN115125982 A CN 115125982A
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- soil layer
- pile foundation
- supporting
- plate
- biogas
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a biogas soil layer pile foundation accessory which comprises an insertion pipe, an air guide pipe, a push plate and two supporting pieces arranged on the insertion pipe, wherein each supporting piece comprises two supporting rods arranged in parallel and a sliding piece arranged on the insertion pipe in a sliding mode, two ends of each supporting rod are respectively connected with the side surface of the sliding piece and the side surface of the push plate in a rotating mode, a supporting plate is detachably arranged on the push plate, the side surface, far away from the push plate, of the supporting plate is connected with one end, far away from the supporting plate, of an insertion pipe through a connecting assembly, and one end, far away from the supporting plate, of the insertion pipe is a closed conical cover. The biogas soil layer pile foundation accessory can enhance the support of the biogas soil layer to the pile foundation and can lead out biogas to reduce the gathering of biogas of the biogas soil layer at the pile foundation.
Description
Technical Field
The invention relates to the technical field of pile foundations, in particular to a biogas soil layer pile foundation accessory.
Background
Shallow layer marsh gas is mainly distributed in a coastal plain area and an delta plain area, the buried depth of a marsh gas-containing stratum is more than 20m, the marsh gas is distributed scattered and is uncertain, the existence of the marsh gas changes the compressibility of a soil layer and also destroys a skeleton structure of the soil layer, when the soil layer is subjected to external load, stress concentration can be generated in a soil skeleton around bubbles, and the shear strength of the soil layer is reduced; during the construction of the pile foundation, the marsh gas accumulated in the soil layer easily causes liquefaction of shallow sandy soil, bottom collapse and hole collapse caused by the fact that the marsh gas easily generates holes in the soil layer.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the existing defects and provides a biogas soil layer pile foundation accessory which can strengthen the support of a biogas soil layer on a pile foundation, can lead out biogas and reduce the gathering of biogas of the biogas soil layer at the pile foundation; when the pile foundation needs to be pulled out due to the problems of pouring procedures, concrete pouring and the like, liquefied gas is pressed into the pile pit and is gasified to fill the space in the pile pit in the process of pulling out the pile foundation, so that the reduction of the gas pressure in the pile pit is reduced, the risk of damage to the pile pit caused by the pressure difference between the inner wall of the pile pit due to negative pressure in the process of pulling out the pile foundation is reduced, and the problems in the background technology can be effectively solved.
The invention provides a biogas soil layer pile foundation accessory which comprises an insertion pipe, an air guide pipe, a push plate and two supporting pieces arranged on the insertion pipe, wherein each supporting piece comprises two supporting rods arranged in parallel and a sliding piece arranged on the insertion pipe in a sliding mode, two ends of each supporting rod are respectively connected with the side face of each sliding piece and the side face of the push plate in a rotating mode, a supporting plate is detachably arranged on the push plate, the side face, far away from the push plate, of the supporting plate is connected with one end, far away from the push plate, of an insertion pipe through a connecting assembly, and one end, far away from the supporting plate, of the insertion pipe is provided with a closed conical cover.
The inserting tube is provided with a driving piece for driving the sliding piece to move, and the lower end of the air duct is inserted into the inner cavity of the inserting tube.
As a preferred technical solution of the present invention, a supporting seat is fixed on the insertion tube, the supporting seat is located between the two sliding members, two supporting rods for slidably supporting the insertion tube are fixed on the supporting seat, a sliding opening through which the supporting rods pass is formed in the supporting plate, and a feeding opening is formed in the supporting plate at a position corresponding to the insertion tube.
As a preferred technical scheme of the present invention, an additional plate is fixed to a side surface of the support base, a slot parallel to the insertion tube is formed in the additional plate, and a guide clamping block sliding along the slot is fixed to the sliding member.
As a preferred technical scheme of the invention, the connecting assembly comprises a plurality of clamping seats fixed on the upper part of the periphery of the insertion tube, each clamping seat is provided with a clamping groove, and the supporting plate is fixed with a clamping block matched with the clamping groove.
As a preferable technical scheme, the novel medical intubation tube further comprises a tee joint, the tee joint comprises a first port, a second port and a third port which are communicated with one another, one end, located in the intubation tube, of the air guide tube is connected with the first port of the tee joint, the second port of the tee joint is higher than the third port of the tee joint, and a detachable plug is installed at the second port of the tee joint.
As a preferable technical scheme of the invention, a fixed plate is fixed at the position of the inner cavity of the insertion tube close to the support plate, and a rotary arc-shaped rotating plate is arranged on the fixed plate.
As a preferred technical scheme of the invention, an elastic part is arranged between the side surface of the arc-shaped rotating plate and the side surface of the fixed plate, and a control release assembly is arranged on the fixed plate and used for limiting the rotation of the arc-shaped rotating plate.
As a preferred technical scheme of the invention, the driving part comprises a pull rope and a balancing weight which slides up and down along the insertion pipe, the balancing weight is positioned above the supporting part, and the side surface of the balancing weight is connected with the lower end of the pull rope.
As a preferred technical scheme of the invention, the side surface of the intubation is provided with a plurality of ventilation micropores communicated with the inside and the outside of the intubation.
As a preferable technical scheme of the invention, the driving part is a hydraulic push rod, and one sliding part and the side surface of the insertion pipe are respectively connected with two ends of the hydraulic push rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the biogas soil layer pile foundation accessory disclosed by the invention, on one hand, the insertion pipe is horizontally inserted into the biogas soil layer, and concrete is poured into the insertion pipe to enhance the support of the biogas soil layer on the pile foundation; on the other hand, after concrete is poured into the insertion tube, a gas cavity is formed in the upper part of the inner cavity of the insertion tube, and methane in a methane soil layer enters the gas cavity of the insertion tube through the ventilation micropores on the insertion tube and is discharged through the gas guide tube, so that the accumulation of the methane in the pile foundation of the methane soil layer is reduced; on the other hand, when the pile foundation needs to be pulled out due to the problems of the pouring process, the concrete pouring and the like, the liquefied gas is pressed into the gas cavity of the insertion pipe in a pressurizing mode, the liquefied gas is gasified and fills the space in the pile pit in the pile foundation pulling-out process, the reduction of the gas pressure in the pile pit is reduced, and the risk of damage to the pile pit due to the fact that the pressure difference of the inner wall of the pile pit is caused by the negative pressure in the pile foundation pulling-out process is reduced.
2. According to the biogas soil layer pile foundation accessory disclosed by the invention, the concrete in the insertion pipe is solidified to form the horizontal supporting rod of the pile foundation in the pile pit, so that the support of the biogas soil layer on the pile foundation is enhanced, the concrete in the inner cavity of the insertion pipe is difficult to completely fill the inner cavity of the insertion pipe, the upper part of the inner cavity of the insertion pipe forms a gas cavity, biogas in the biogas soil layer enters the gas cavity of the insertion pipe through the ventilation micropores on the insertion pipe and is discharged through the gas guide pipe, and the gathering of biogas at the pile foundation of the biogas soil layer is reduced.
3. According to the biogas soil layer pile foundation accessory disclosed by the invention, the clamping groove of the additional plate limits the horizontal rotation of the sliding part through the guide clamping block, so that the insertion pipe is prevented from horizontally deflecting in the process of being inserted into a biogas soil layer, the contact area between the insertion pipe and the inner wall of a pile pit is increased by the additional plate, and the damage of the insertion pipe to the inner wall of the pile pit is reduced.
4. According to the biogas soil layer pile foundation accessory disclosed by the invention, liquid nitrogen, liquid carbon dioxide and other liquefied gases are pressurized and injected into the gas cavity of the insertion pipe through the gas guide pipe, the liquefied gas in the gas cavity of the insertion pipe is gasified and fills the space in the pile pit in the pile foundation pulling-out process, the reduction of the gas pressure in the pile pit is reduced, and the risk of damage to the pile pit caused by the pressure difference of the inner wall of the pile pit due to negative pressure in the pile foundation pulling-out process is reduced.
5. According to the biogas soil layer pile foundation accessory disclosed by the invention, the arc-shaped rotating plate is rotated, and the size of the opening, close to the inserting pipe, of the inserting pipe, which is shielded by the arc-shaped rotating plate and the fixed plate is adjusted, so that the connection thickness of concrete in the inserting pipe and concrete in a pile pit is adjusted.
Drawings
Fig. 1 is a schematic structural view illustrating a storage state of a cannula according to an embodiment of the present invention;
FIG. 2 is a schematic view of the cannula and support plate of FIG. 1 shown in a disassembled configuration;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a schematic view of the lateral-movement, insertion-state structure of the insertion tube of FIG. 1;
FIG. 6 is an enlarged view of the structure at C in FIG. 5;
FIG. 7 is a partial cross-sectional structural view of the cannula of the present invention;
FIG. 8 is an enlarged view of the structure at D in FIG. 7;
fig. 9 is a structural diagram illustrating a storage state of a cannula according to another embodiment of the present invention.
In the figure: the device comprises an insertion tube 1, a support rod 2, a support plate 3, a support seat 4, an insertion tube 5, an additional plate 6, a support piece 7, a sliding piece 71, a support rod 72, a counterweight block 8, a pull rope 9, an air guide tube 10, a sliding block 11, a clamping seat 12, a clamping block 13, a push plate 14, a tee joint 15, a plug 16, an arc-shaped rotating plate 17, an elastic piece 18, a release control assembly 19 and a fixing plate 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-6, the present embodiment discloses a biogas soil layer pile foundation accessory, which includes an insert pipe 5, an air duct 10, a push plate 14, and two supporting members 7 mounted on the insert pipe 5.
The supporting piece 7 comprises two supporting rods 72 arranged in parallel and a sliding piece 71 arranged on the inserting tube 5 in a sliding mode, two ends of each supporting rod 72 are rotatably connected with the side face of each sliding piece 71 and the side face of the corresponding push plate 14 through hinged seats or hinges respectively, a supporting plate 3 is detachably mounted on each push plate 14 through a magnetic suction piece or a movable clamping pin, the side face, far away from the push plate 14, of each supporting plate 3 is connected with one end, far away from the corresponding push plate 14, of each inserting tube 1 through a connecting assembly, and one end, far away from the corresponding supporting plate 3, of each inserting tube 1 is a closed conical cover.
The inserting tube 5 is provided with a driving piece for driving the sliding piece 71 to move, and the lower end of the air guide tube 10 is inserted into the inner cavity of the inserting tube 1.
Further, the sliding member 71 is a sliding ring fitted over the insertion tube 5 or a sliding block slidably engaged with the insertion tube 5.
Furthermore, the side surface of the cannula 1 is provided with a plurality of ventilation micropores communicated with the inside and the outside of the cannula.
Further, two support rods 72 arranged in parallel are offset in parallel in the vertical direction, and the two support rods 72 arranged in parallel keep the push plate 14 parallel to the slide 71.
The working process and principle of the embodiment are as follows:
the biogas soil layer pile foundation accessory is placed in a pile pit with a hole, the insertion tube 1 is lowered to a biogas stratum according to geological exploration data, then one sliding part 71 of the driving parts moves, the sliding part 71 pushes the push plate 14, the support plate 3 and the insertion tube 1 to move towards the inner wall of the pile pit through the support rod 72, the closed conical cover of the insertion tube 1 is inserted into the biogas soil layer of the pile pit, the insertion tube 1 is completely inserted into the biogas soil layer of the pile pit under the action of the driving parts, the support plate 3 is attached to the inner wall of the pile pit, then the sliding part 71 moves upwards, the push plate 14 is separated from the support plate 3 in contact, and the insertion tube 5 drives the support part 7 to move out of the pile pit.
An external reinforcement cage is placed in the pile pit, concrete is injected into the pile pit, when the concrete in the pile pit overflows the supporting plate 3, an external air suction pump sucks air in the insertion pipe 1 through the air guide pipe 10 to enable the interior of the insertion pipe 1 to be in negative pressure, the concrete in the pile pit enters the insertion pipe 1 under the action of the negative pressure in the insertion pipe 1, and then the concrete is continuously poured into the pile pit.
Concrete solidifies the horizontal support bar that forms pile foundation in the stake hole in the intubate 1, strengthens the support of marsh gas soil layer to the pile foundation to the concrete of intubate 1 inner chamber is difficult to fill 1 inner chamber of intubate completely, and intubate 1 inner chamber upper portion forms gaseous cavity, and the intraductal marsh gas of marsh gas soil enters into the gaseous cavity of intubate 1 through the micropore of ventilating on intubate 1 and is discharged by air duct 10, reduces the gathering of marsh gas soil layer at pile foundation department marsh gas.
Preferably, the insertion tube 5 is composed of a plurality of sections of tubes, and adjacent tubes are connected through bolts or buckles.
Preferably, the air duct 10 is made of a hard metal pipe, an engineering plastic pipe or a soft metal pipe, and after concrete is injected into the pile pit, the air duct 10 bears the pressure of the unformed concrete and keeps the inner cavity of the air duct unobstructed.
Preferably, the two supports 7 keep the push plate 14 parallel to the insertion tube 5, ensuring the horizontal insertion of the cannula 1 on the inner wall of the pit.
Example two:
as shown in fig. 1-6, the present embodiment discloses a biogas soil layer pile foundation accessory, which has a structure substantially the same as that of the first embodiment, except that a support seat 4 is fixed on an insertion tube 5 in the present embodiment, the support seat 4 is located between two sliding members 71, two supporting members 7 are symmetrically arranged at two sides of the support seat 4, two supporting rods 2 for slidably supporting the insertion tube 1 are fixed on the support seat 4, a sliding opening through which the supporting rod 2 passes is formed on the supporting plate 3, and a feeding opening is formed at a position of the supporting plate 3 corresponding to the insertion tube 1; the bracing piece 2 is fixed on the insert tube 5 through the supporting seat 4, and two bracing pieces 2 are less than the central axis of the insert tube 1, and two bracing pieces 2 support the insert tube 1 and provide sliding guide for the lateral movement of the insert tube 1 far away from the insert tube 5, wherein when the support plate 3 is attached on the inner wall of the pile pit, the sliding holes of the bracing piece 2 and the support plate 3 are separated.
Preferably, an additional plate 6 is fixed on the side surface of the supporting seat 4, a clamping groove parallel to the insertion tube 5 is formed in the additional plate 6, and a guide clamping block sliding along the clamping groove is fixed on the sliding part 71; the clamping groove of the additional plate 6 limits the horizontal rotation of the sliding part 71 through the guide clamping block, so that the insertion pipe 1 is prevented from horizontally deflecting in the process of inserting the biogas soil layer, the contact area between the insertion pipe 5 and the inner wall of the pile pit is increased through the additional plate 6, and the damage of the insertion pipe 5 to the inner wall of the pile pit is reduced.
Example three:
as shown in fig. 7-8, the present embodiment discloses a biogas soil layer pile foundation accessory, which has a structure substantially the same as that of the first embodiment, except that the present embodiment further includes a tee 15, the tee 15 includes a first port, a second port and a third port which are communicated with each other, one end of the gas guide tube 10 located in the insertion tube 1 is connected with the first port of the tee 15, the second port of the tee 15 is higher than the third port of the tee 15, and the second port of the tee 15 is provided with a detachable plug 16; the preferred plug 16 is an elastic rubber block with a snap groove.
The working process and principle of the embodiment are as follows:
when the pile foundation needs to be pulled out due to the problems of pouring procedures, concrete pouring and the like, negative pressure is generated in the pile pit in the pile foundation pulling-out process, the pile foundation is prevented from being pulled out, and the pressure difference between the two sides of the inner wall of the pile pit is increased to easily cause the pile pit.
After the inserting pipe 1 is inserted into a biogas soil layer, an external reinforcement cage is placed into the pile pit, concrete is injected into the pile pit, when the concrete in the pile pit overflows the supporting plate 3, an external air pump extracts gas in the inserting pipe 1 through the air duct 10 and the first port of the tee joint 15 to enable negative pressure in the inserting pipe 1, the concrete in the pile pit enters the inserting pipe 1 under the action of the negative pressure in the inserting pipe 1, when the concrete overflows the third port of the tee joint 15, the external air pump cannot continuously extract the gas in the inserting pipe 1, a gas cavity is formed at the upper part of the inner cavity of the inserting pipe 1, and the tee joint 15 ensures the formation of the gas cavity of the inserting pipe 1 and the discharge of biogas oozed in the biogas soil layer.
Gas is injected into the cannula 1 through an external gas pump, the third port of the tee joint 15 is blocked by solidified concrete, and the plug 16 on the second port of the tee joint 15 is separated under the action of internal and external pressure difference, so that methane in the gas cavity of the cannula 1 can be discharged.
Before extracting the pile foundation, inject liquid nitrogen gas into the gas cavity pressurization of intubate 1 through air duct 10 in advance, other liquefied gases such as liquid carbon dioxide, then use outside machinery to upwards extract the pile foundation, the pile foundation drives backup pad 3 and moves up, and the concrete atress fracture of backup pad 3 and intubate 1 department, the pile foundation is extracted the in-process, the space in the pile foundation extraction in-process pile pit is filled in the liquefied gas gasification in the gas cavity of intubate 1, reduce the reduction of pile pit internal gas pressure, reduce the pile foundation and extract the in-process and lead to the damage risk that pile pit leads to because of the negative pressure to pile pit inner wall pressure differential.
Furthermore, a third port of the tee 15 is provided with non-woven fabrics or a surface yarn ball, so that concrete is prevented from being sucked into the tee 15.
Example four:
as shown in fig. 7-8, the present embodiment discloses a biogas soil layer pile foundation accessory, which has a structure substantially the same as that of the third embodiment, except that a fixed plate 20 is fixed in the inner cavity of the insertion tube 1 near the support plate 3, and a rotating arc-shaped rotating plate 17 is mounted on the fixed plate 20.
Further, coupling assembling is including fixing a plurality of joint seat 12 on 1 periphery side upper portion of intubate, has all seted up the draw-in groove on every joint seat 12, be fixed with in the backup pad 3 with the joint piece 13 of draw-in groove adaptation, the edging is handled to 13 upper ends of joint piece, joint piece 13 and draw-in groove interference fit or viscose can dismantle the connection.
The arc-shaped rotating plate 17 is rotated, the size of the opening, close to the inserting pipe 5, of the inserting pipe 1, which is shielded by the arc-shaped rotating plate 17 and the fixing plate 20 is adjusted, so that the connection thickness of concrete in the inserting pipe 1 and concrete in a pile pit is adjusted, when a pile foundation is pulled out, the connection part of the concrete in the inserting pipe 1 and the concrete in the pile pit is broken, the clamping groove of the clamping seat 12 and the clamping block 13 are separated from clamping, and the resistance of the concrete in the inserting pipe 1 to the pile foundation pulling-out is reduced; the pile foundation acts on the insertion tube 1 through the clamping block 13 and the clamping base 12, and the insertion tube 1 is horizontally inserted into a biogas soil layer, and the concrete in the insertion tube 1 enhances the structural strength of the insertion tube 1.
Preferably, as shown in fig. 9, an elastic element 18 is installed between the side surface of the arc-shaped rotating plate 17 and the side surface of the fixed plate 20, a control releasing assembly 19 is installed on the fixed plate 20, the control releasing assembly 19 limits the rotation of the arc-shaped rotating plate 17, and the releasing assembly 19 is a common electromagnetic valve or an electrically controlled explosive bolt in the prior art; when the concrete sucked in the insertion pipe 1 is not solidified and the release assembly 19 releases the arc-shaped rotating plate 17, the elastic part 18 pushes the arc-shaped rotating plate 17 to rotate, the arc-shaped rotating plate 17 and the arc-shaped rotating plate 17 to separate the concrete inside and outside the insertion pipe 1, and the influence of the concrete in the insertion pipe 1 on the pile foundation in the pile foundation extracting process is reduced.
Example five:
as shown in fig. 1-2, the present embodiment discloses a biogas soil layer pile foundation accessory, which has a structure substantially the same as that of the first embodiment, except that the driving member of the present embodiment includes a pulling rope 9 and a counterweight 8 sliding up and down along the insertion tube 5, the counterweight 8 is located above the supporting member 7, and the side surface of the counterweight 8 is connected to the lower end of the pulling rope 9; the insertion pipe 1 is lowered to a methane stratum according to geological exploration data, the position of the insertion pipe 5 is fixed, then the balance weight block 8 is pulled to move upwards through the pull rope 9, the distance between the balance weight block 8 and the sliding piece 71 located at the top is enlarged, then the pull rope 9 is loosened, the balance weight block 8 slides downwards along the insertion pipe 5 under the action of gravity and impacts the sliding piece 71 located at the top, and the sliding piece 71 located at the top continuously impacts the insertion pipe 1 through the support rod 72 connected with the sliding piece 71 to insert into a methane soil layer.
Further, the slider 71 is iron; after the insertion tube 1 is inserted into a biogas soil layer, a powerful magnet is installed below the balancing weight 8, the powerful magnet below the balancing weight 8 moves downwards to contact and magnetically attract the sliding part 71, the pulling rope 9 pulls the balancing weight 8, the powerful magnet and the sliding part 71 to move upwards, the sliding part 71 drives the pushing plate 14 to move close to the insertion tube 5 through the supporting rod 72 on the sliding part, then the insertion tube 5 and the supporting piece 7 are taken out from the pile pit, and the insertion tube 5 and the supporting piece 7 are taken out conveniently from the pile pit.
Example six:
as shown in fig. 9, the present embodiment discloses a biogas soil layer pile foundation accessory, which has a structure substantially the same as that of the first embodiment, except that the driving member of the present embodiment is a hydraulic push rod, wherein one sliding member 71 and the side surface of the insertion tube 5 are respectively connected to two ends of the hydraulic push rod, a liquid tube port on the hydraulic push rod is connected to one end of a hydraulic tube, and the other end of the hydraulic tube is connected to a connection port of an external liquid pump;
the inserting tube 1 is lowered to the methane stratum according to geological exploration data, the position of the inserting tube 5 is fixed, the hydraulic push rod extends to move the sliding part 71, and the sliding part 71 pushes the inserting tube 1 to be continuously inserted into the methane stratum through the supporting rod 72 connected with the sliding part 71.
After the insertion tube 1 is inserted into the biogas soil layer, the hydraulic push rod contracts the sliding part 71 to move reversely, the sliding part 71 drives the push plate 14 to move close to the insertion tube 5 through the supporting rod 72 on the sliding part, and then the insertion tube 5 and the support 7 are taken out of the pile pit, so that the insertion tube 5 and the support 7 are taken out of the pile pit conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a marsh gas soil layer pile foundation annex which characterized in that: the device comprises an insertion tube (5), an air duct (10), a push plate (14) and two supporting pieces (7) arranged on the insertion tube (5), wherein each supporting piece (7) comprises two supporting rods (72) arranged in parallel and a sliding piece (71) arranged on the insertion tube (5) in a sliding mode, two ends of each supporting rod (72) are respectively connected with the side face of each sliding piece (71) and the side face of each push plate (14) in a rotating mode, a supporting plate (3) is detachably arranged on each push plate (14), the side face, far away from the push plate (14), of each supporting plate (3) is connected with one end, far away from the corresponding push plate (14), of an insertion tube (1) through a connecting assembly, and one end, far away from the corresponding supporting plate (3), of the insertion tube (1) is a closed conical cover;
the inserting tube (5) is provided with a driving piece for driving the sliding piece (701) to move, and the lower end of the air duct (10) is inserted into the inner cavity of the inserting tube (1).
2. The biogas soil layer pile foundation accessory of claim 1, wherein: be fixed with supporting seat (4) on stand-in pipe (5), supporting seat (4) are located between two slider (71), be fixed with two bracing piece (2) to intubate (1) slip support on supporting seat (4), set up the slip trompil that supplies bracing piece (2) to pass on backup pad (3), backup pad (3) correspond the position of intubate (1) and are equipped with the feeding trompil, set up the draw-in groove parallel with stand-in pipe (5) on additional plate (6).
3. Biogas soil layer pile foundation attachment according to claims 1 and 2, characterized in that: an additional plate (6) is fixed to the side face of the supporting seat (4), a clamping groove parallel to the inserting tube (5) is formed in the additional plate (6), and a guide clamping block sliding along the clamping groove is fixed to the sliding piece (71).
4. The biogas soil layer pile foundation accessory of claim 1, wherein: still include tee bend (15), tee bend (15) are including the first port, second port and the third port that communicate each other, one end that air duct (10) are located intubate (1) is connected with the first port of tee bend (15), the second port of tee bend (15) is higher than the third port of tee bend (15), detachable end cap (16) are installed to the second port of tee bend (15).
5. The biogas soil layer pile foundation accessory of claim 1, wherein: the position that intubate (1) inner chamber is close to backup pad (3) is fixed with fixed plate (20), install rotatory arc commentaries on classics board (17) on fixed plate (20).
6. Biogas soil layer pile foundation accessory according to claim 5, characterized in that: coupling assembling is including fixing a plurality of joint seat (12) on intubate (1) periphery side upper portion, has all seted up the draw-in groove on every joint seat (12), be fixed with joint piece (13) with the draw-in groove adaptation on backup pad (3).
7. The biogas soil layer pile foundation accessory of claim 6, wherein: the arc changes and is installed elastic component (18) between board (17) side and fixed plate (20) side, install control release subassembly (19) on fixed plate (20), control release subassembly (19) are changeed board (17) to the arc and are rotated spacingly.
8. The biogas soil layer pile foundation accessory of claim 1, wherein: the driving part comprises a pull rope (9) and a balancing weight (8) which slides up and down along the insertion pipe (5), the balancing weight (8) is positioned above the supporting part (7), and the side surface of the balancing weight (8) is connected with the lower end of the pull rope (9).
9. The biogas soil layer pile foundation accessory of claim 1, wherein: the side surface of the cannula (1) is provided with a plurality of ventilation micropores communicated with the inside and the outside of the cannula.
10. The biogas soil layer pile foundation accessory of claim 1, wherein: the driving piece is a hydraulic push rod, and the side surfaces of one sliding piece (71) and the insertion pipe (5) are respectively connected with two ends of the hydraulic push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210918774.7A CN115125982B (en) | 2022-08-02 | 2022-08-02 | Biogas soil layer pile foundation accessory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210918774.7A CN115125982B (en) | 2022-08-02 | 2022-08-02 | Biogas soil layer pile foundation accessory |
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| CN115125982A true CN115125982A (en) | 2022-09-30 |
| CN115125982B CN115125982B (en) | 2023-05-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210459196U (en) * | 2019-07-20 | 2020-05-05 | 东莞市建安桩基础工程有限公司 | Foundation pile structure of foundation engineering |
| CN111877414A (en) * | 2020-06-24 | 2020-11-03 | 南京裕扬工程检测有限责任公司 | Pile foundation quality detection device and detection method thereof |
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| CN214738205U (en) * | 2021-04-01 | 2021-11-16 | 邢伟朋 | High stability type pile foundation device for building engineering |
| CN114351775A (en) * | 2022-01-27 | 2022-04-15 | 北京建企动力科技工程有限公司 | Civil engineering pile foundation fixed knot constructs |
| CN216304692U (en) * | 2021-09-22 | 2022-04-15 | 苏州市苏峰建设有限公司 | Pile foundation |
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| CN210459196U (en) * | 2019-07-20 | 2020-05-05 | 东莞市建安桩基础工程有限公司 | Foundation pile structure of foundation engineering |
| CN111877414A (en) * | 2020-06-24 | 2020-11-03 | 南京裕扬工程检测有限责任公司 | Pile foundation quality detection device and detection method thereof |
| CN214738205U (en) * | 2021-04-01 | 2021-11-16 | 邢伟朋 | High stability type pile foundation device for building engineering |
| CN112921953A (en) * | 2021-04-13 | 2021-06-08 | 益阳远程公路建设有限公司 | Landslide-preventing high-sliding-resistance miniature pile and construction method thereof |
| CN216304692U (en) * | 2021-09-22 | 2022-04-15 | 苏州市苏峰建设有限公司 | Pile foundation |
| CN114351775A (en) * | 2022-01-27 | 2022-04-15 | 北京建企动力科技工程有限公司 | Civil engineering pile foundation fixed knot constructs |
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| CN115125982B (en) | 2023-05-09 |
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