CN112442990A - Connecting device for embedding protective cylinder and construction method - Google Patents
Connecting device for embedding protective cylinder and construction method Download PDFInfo
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- CN112442990A CN112442990A CN202011357987.4A CN202011357987A CN112442990A CN 112442990 A CN112442990 A CN 112442990A CN 202011357987 A CN202011357987 A CN 202011357987A CN 112442990 A CN112442990 A CN 112442990A
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- oil pump
- tray
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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Abstract
The invention discloses a connecting device for embedding a protective cylinder and a construction method, the connecting device comprises a connector connected with a rotary drilling rig, an oil pump cylinder positioned in the protective cylinder is connected below the connector, a first hydraulic oil pump and a second hydraulic oil pump are respectively arranged at the upper end and the lower end of the oil pump cylinder, a first tray moving along the axial direction of the oil pump cylinder is arranged at the bottom of the first hydraulic oil pump, a second tray moving along the axial direction of the oil pump cylinder is arranged at the top of the second hydraulic oil pump, a plurality of mechanical arms arranged along the radial direction of the oil pump cylinder are arranged between the first tray and the second tray, supporting plates capable of abutting against the inner wall of the protective cylinder are arranged at the end parts of the mechanical arms far away from the oil pump cylinder, when the first tray and the second tray move in the mutually approaching direction, the supporting plates are driven to radially expand by the mechanical arms, and when the first tray and the second tray move in the mutually departing direction, the mechanical arms are driven to radially contract.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a connecting device for embedding a pile casing and a construction method.
Background
At present, the method for burying the casing in the industry is to carry out construction according to different geological conditions, wherein the construction mode is divided into two types, the first type is direct driving, the casing is directly driven to be buried by using a field excavator or vibration equipment, and the second type is a pit digging burying method, the casing is buried after appropriate soil is dug for 1-2 meters.
Whether a pile casing should be examined perpendicularly at putting a pile casing in-process down, the perpendicular in-process of inspection is often examined by the people with spirit level or other instrument of checking the straightness that hangs down, has certain potential safety hazard, if discover the incline, should in time correct, however, its correction process is exactly the process of a continuous debugging, generally by digging the rig soon through the straightness automatic checkout device adjustment distance that hangs down of taking certainly, like this, just cause the precision inadequately easily to and there is the hidden danger that damages the pile casing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a connecting device for embedding a protective cylinder and a construction method, which are matched with a rotary drilling rig and can avoid the damage of the protective cylinder.
The technical scheme adopted by the invention is as follows:
a connecting device for embedding a protective cylinder comprises a connector connected with a rotary drilling rig, an oil pump cylinder located in the protective cylinder is connected below the connector, a first hydraulic oil pump and a second hydraulic oil pump are respectively arranged at the upper end and the lower end of the oil pump cylinder, a first tray moving along the axial direction of the oil pump cylinder is arranged at the bottom of the first hydraulic oil pump, a second tray moving along the axial direction of the oil pump cylinder is arranged at the top of the second hydraulic oil pump, a plurality of mechanical arms arranged along the radial direction of the oil pump cylinder are arranged between the first tray and the second tray, a supporting plate capable of abutting against the inner wall of the protective cylinder is arranged at the end part of each mechanical arm far away from the oil pump cylinder, each mechanical arm can drive the supporting plate to radially extend and retract, oil pump pipelines respectively communicated with the first hydraulic oil pump and the second hydraulic oil pump are further arranged in the oil pump cylinder, oil is conveyed to the first hydraulic oil pump and the second hydraulic oil pump through the pipelines so as to control the axial movement directions of the first tray and the second, when first tray and second tray were close to the direction each other and were removed, drive the fagging through robotic arm and radially expand, when first tray and second tray kept away from the direction removal each other, drive the fagging through robotic arm and radially contract.
According to the scheme, the rotary drilling rig is connected with the rotary drilling rig through the connector, so that when the protective cylinder is placed down through the rotary drilling rig, the precision of the protective cylinder does not need to be additionally adjusted; then, oil is conveyed into the first hydraulic oil pump and the second hydraulic oil pump through an oil pump pipeline to drive a first tray of the first hydraulic oil pump to move up and down towards the second hydraulic oil pump, and a second tray of the second hydraulic oil pump moves up and down towards the first hydraulic oil pump, so that a mechanical arm between the first tray and the second tray is controlled to stretch out and draw back along the radial direction of an oil pump cylinder, a supporting plate connected with the mechanical arm is controlled to move radially, and thus, the protective cylinder can be supported by the supporting plate, and is in surface contact with the device, so that the protective cylinders with different sizes can be supported; and finally, directly placing the pile casing at the embedding position through a rotary digging drilling machine.
Further, robotic arm includes that the position corresponds last linking arm and the lower linking arm that sets up, and the tip and the first tray of going up the linking arm rotate to be connected, and the tip and the second tray of lower linking arm rotate to be connected, go up the linking arm and rotate respectively with the other end of lower linking arm and connect on two sets of slide bars of fagging, still be equipped with the spout that supplies slide bar reciprocating motion on the fagging.
Design like this, correspond the last linking arm that sets up through the position and link to each other first tray and second tray and fagging respectively with lower linking arm, simultaneously, when first tray and second tray axial reciprocate, will drive linking arm and lower linking arm and rotate, go up the other end of linking arm and lower linking arm and when around slide bar pivoted, can slide along the spout, realize driving fagging radial movement promptly.
Furthermore, the upper connecting arm comprises an upper connecting rod, one end of the upper connecting rod is rotatably connected with the first tray, the other end of the upper connecting rod is rotatably connected with the sliding rod, and the middle part of the upper connecting rod is rotatably connected with an upper intermediate rod; the lower connecting arm comprises a lower connecting rod, one end of the lower connecting rod is connected with the second tray in a rotating mode, the other end of the lower connecting rod is connected with the sliding rod in a rotating mode, the middle of the lower connecting rod is connected with a lower intermediate rod in a rotating mode, and the other ends of the lower intermediate rod and the upper intermediate rod are respectively connected with a fixing block arranged on the oil pump cylinder in a rotating mode.
Link to each other first tray with the fagging through last connecting rod, the connecting rod links to each other second tray with the fagging down, in first tray or second tray axial displacement's process, it rotates around first tray to go up the connecting rod tip, the connecting rod tip rotates around the second tray down, another tip that drives connecting rod and lower connecting rod simultaneously rotates around the slide bar, change fagging radial movement's distance, play the restriction to fagging radial movement distance through last intermediate lever and lower intermediate lever again, and simultaneously, also play the effect of gaining in strength to last linking arm and lower linking arm.
Furthermore, a plurality of first support lugs corresponding to the upper connecting rods are arranged on the first tray, the plurality of first support lugs are uniformly distributed along the circumferential direction of the oil pump cylinder, and each first support lug is rotatably connected with the corresponding upper connecting rod; the second tray is provided with a plurality of second lugs corresponding to the lower connecting rods, the second lugs are uniformly distributed along the circumferential direction of the oil pump cylinder, and each second lug is rotatably connected with the corresponding lower connecting rod.
Set up first journal stirrup and second journal stirrup and rotate continuously with last connecting rod and lower connecting rod for the convenience, first journal stirrup and second journal stirrup all follow oil pump barrel axial equipartition simultaneously for first journal stirrup or second journal stirrup press from both sides tight to oil pump barrel week side, can play spacing effect to first tray or second tray.
Further, fagging lateral surface fixedly connected with gasket, the gasket adopts the rubber material preparation to form. The friction force between the supporting plate and the inner wall of the protective cylinder is improved, so that the device is more stable in use.
Furthermore, the port of the oil pump pipeline connected with the second hydraulic oil pump is a first oil pump pipe orifice, the port connected with the first hydraulic oil pump is a second oil pump pipe orifice, the oil pump pipeline is also provided with a third oil pump pipe orifice positioned at the connector, the third oil pump pipe orifice is connected with peripheral equipment, and when the first oil pump pipe orifice and the second oil pump pipe orifice are outlets, the third oil pump pipe orifice is an inlet so as to control the first tray and the second tray to move in the direction of approaching each other; when the first oil pump pipe orifice and the second oil pump pipe orifice are inlets, the third oil pump pipe orifice is an outlet to control the first tray and the second tray to move away from each other.
Design like this, carry oil to first hydraulic oil pump and second hydraulic oil pump through the oil pump pipeline and realize first tray and second tray movement track, drive the motion of fagging promptly, move when first tray and second tray direction of being close to each other, make the fagging expansion, move when first tray and second tray direction of keeping away from each other, make the fagging shrink, in order to adapt to not unidimensional cartridge protection, and simultaneously, the rig is dug soon to still lug connection of oil pump pipeline, make full use of on-the-spot resource, and the cost is saved.
Furthermore, bolt openings connected with the rotary drilling rig are arranged on two sides of the connector. The device is connected with the rotary drilling rig through the bolt port, and the operation is simple.
Further, a supporting plate is arranged at the bottom of the second hydraulic oil pump. The supporting plate is used for supporting the second hydraulic oil pump, so that the second hydraulic oil pump can be stably used.
A construction method for embedding a pile casing comprises the following steps:
the method comprises the following steps: the rotary drilling rig excavates a designated pile position according to process requirements, when the designated pile position is excavated to a designated depth, the rotary drilling bit is pulled out, the pipe twisting power head is replaced, the pipe twisting power head is connected with the connector through the plug pin port, the rotary drilling rig is connected with the first hydraulic oil pump and the second hydraulic oil pump through the oil pump pipeline, and the rotary drilling rig can convey oil into the first hydraulic oil pump and the second hydraulic oil pump;
step two: the device is lifted by a rotary drilling rig and then is put into the inner ring of the protective cylinder, power is provided by a first hydraulic oil pump and a second hydraulic oil pump, the radial movement distance of the mechanical arm is changed, the device is tightly attached to the inner wall of the protective cylinder through a gasket, and the friction force of the device meets the working requirement;
step three: the pile casing is lifted by the rotary drilling rig and is transferred to the designated pile position, in the transferring process, the verticality is checked by the vertical collimator of the rotary drilling rig, and the transferring position of the pile casing is adjusted to enable the precision to meet the requirement.
Step four: and after the pile casing is placed at the designated position, the outer side of the pile casing is backfilled and compacted by clay by manpower or an excavator.
Further, before the step one, pile position fixing is carried out by adopting a pile position pile protection cross distance quantitative control method. Compared with the prior art, the invention has the following advantages:
the folding umbrella is ingenious in conception, simple in structure and reasonable in design, adopts a mechanical principle similar to that of a folding umbrella, and can change the length of the mechanical arm through the first hydraulic oil pump and the second hydraulic oil pump so as to enable the mechanical arm to adapt to most of protection cylinders; simultaneously, when protecting a section of thick bamboo and transferring, the connector is connected with the unit head of digging the rig soon for it uses same machines and tools equipment with digging quick-witted drilling soon to transfer to protect a section of thick bamboo, and the straightness and the precision of hanging down that can control to protect a section of thick bamboo to transfer simultaneously according to digging the pile foundation from the adjusting device who takes soon, easy operation.
The invention simplifies the process of lowering the protective cylinder, combines the rotary drilling rig into the process of delivering the protective cylinder, reasonably utilizes all available resources on site and fully mobilizes available mechanical equipment. The precision is improved and the hidden danger of the damage of the pile casing is weakened. Meanwhile, the rotary drilling and the lowering of the protective cylinder are combined, so that the working surface is reduced, and the safety and the quality of a construction site can be better controlled.
Drawings
FIG. 1 is a schematic structural diagram of a connecting device for embedding a casing according to the present invention;
FIG. 2 is a top view of a robot arm and an oil pump cylinder in the connecting device for embedding a casing according to the present invention;
FIG. 3 is a top view of an oil pump cartridge in the coupling device for embedding a casing according to the present invention;
fig. 4 is a top view of the connection device of the embedment casing of the present invention.
In the figure: the hydraulic oil pump comprises a connector 1, a first hydraulic oil pump 2, an oil pump cylinder 3, a second hydraulic oil pump 4, a supporting plate 5, a first telescopic rod 6, a bolt opening 7, a first tray 8, a second telescopic rod 9, a supporting plate 10, a second tray 11, an upper connecting rod 12, an upper middle rod 13, a fixed block 14, a first lug 15, a second lug 16, a sliding groove 17, a sliding rod 18, a reinforcing rib 19, a gasket 20, an oil pump pipeline 21, a first oil pump pipe opening 22, a second oil pump pipe opening 23, a third oil pump pipe opening 24, a lower connecting rod 25 and a lower middle rod 26.
Detailed Description
The invention will be described in connection with the following figures and examples.
In this embodiment: referring to fig. 1-4, a connecting device for embedding a casing and a construction method thereof, the connecting device comprises a connector 1 connected with a rotary drilling rig, an oil pump barrel 3 positioned inside the casing is connected below the connector 1, a first hydraulic oil pump 2 and a second hydraulic oil pump 4 are respectively arranged at the upper end and the lower end of the oil pump barrel 3, a first tray 8 moving along the axial direction of the oil pump barrel 3 is arranged at the bottom of the first hydraulic oil pump 2, a second tray 11 moving along the axial direction of the oil pump barrel 3 is arranged at the top of the second hydraulic oil pump 4, a plurality of mechanical arms arranged along the radial direction of the oil pump barrel 3 are arranged between the first tray 8 and the second tray 11, a supporting plate 5 capable of abutting against the inner wall of the casing is arranged at the end part of the mechanical arm far away from the oil pump barrel 3, the mechanical arms can drive the supporting plate 5 to radially extend and retract, an oil pump pipeline 21 respectively communicated with the first hydraulic oil pump 2 and the second hydraulic oil pump 4 is also arranged in, carry oil in order to control first tray 8 and second tray 11 along 3 axial displacement directions of oil pump section of thick bamboo through oil pump pipeline 21 to first hydraulic oil pump 2 and second hydraulic oil pump 4, when first tray 8 and second tray 11 are close to the direction removal each other, drive fagging 5 through robotic arm and radially expand, when first tray 8 and second tray 11 keep away from the direction removal each other, drive fagging 5 through robotic arm and radially contract.
According to the scheme, the connection with the rotary drilling rig is realized through the connector 1, so that when the protective cylinder is placed down through the rotary drilling rig, the precision of the protective cylinder does not need to be additionally adjusted; then, oil is conveyed to the first hydraulic oil pump 2 and the second hydraulic oil pump 4 through an oil pump pipeline 21 so as to drive a first tray 8 of the first hydraulic oil pump 2 to move up and down towards the second hydraulic oil pump 4, and a second tray 11 of the second hydraulic oil pump 4 to move up and down towards the first hydraulic oil pump 2, so that a mechanical arm between the first tray 8 and the second tray 11 is controlled to stretch out and draw back along the radial direction of an oil pump cylinder 3, and a supporting plate 5 connected with the mechanical arm is controlled to move radially, so that the supporting plate 5 can be used for supporting a protective cylinder, the protective cylinder is in surface contact with the device, and the protective cylinder is used for supporting protective cylinders with different sizes; and finally, directly placing the pile casing at the embedding position through a rotary digging drilling machine.
Preferably, the port of the oil pump pipeline 21 connected with the second hydraulic oil pump 4 is a first oil pump pipe orifice 22, the port connected with the first hydraulic oil pump 2 is a second oil pump pipe orifice 23, the oil pump pipeline 21 is further provided with a third oil pump pipe orifice 24 positioned at the connector 1, the third oil pump pipe orifice 24 is connected with peripheral equipment, and when the first oil pump pipe orifice 22 and the second oil pump pipe orifice 23 are outlets, the third oil pump pipe orifice 24 is an inlet, so as to control the first tray 8 and the second tray 11 to move in the direction of approaching each other; when the first oil pump nozzle 22 and the second oil pump nozzle 23 are inlets, the third oil pump nozzle 24 is an outlet to control the first tray 8 and the second tray 11 to move away from each other.
Design like this, carry oil to first hydraulic oil pump 2 and second hydraulic oil pump 4 through oil pump pipeline 21 and realize first tray 8 and second tray 11 movement track, drive the motion of fagging 5 promptly, move when first tray 8 and second tray 11 direction of being close to each other, make fagging 5 expansion, move when first tray 8 and second tray 11 direction of keeping away from each other, make fagging 5 shrink, in order to adapt to not unidimensional casing, and simultaneously, oil pump pipeline 21 still can lug connection dig the rig soon, make full use of on-the-spot resource, and the cost is saved.
Preferably, the mechanical arm comprises an upper connecting arm and a lower connecting arm which are correspondingly arranged, the end part of the upper connecting arm is rotatably connected with the first tray 8, the end part of the lower connecting arm is rotatably connected with the second tray 11, the other ends of the upper connecting arm and the lower connecting arm are respectively rotatably connected to two groups of sliding rods 18 of the supporting plate 5, and a sliding groove 17 for the sliding rods 18 to reciprocate is further arranged on the supporting plate 5.
Design like this, correspond the last linking arm that sets up through the position and link to each other first tray 8 and second tray 11 with fagging 5 respectively with lower linking arm, simultaneously, when first tray 8 and 11 axial of second tray reciprocate, will drive linking arm and lower linking arm and rotate, the other end of going up linking arm and lower linking arm can slide along spout 17 when around slide bar 18 pivoted, realizes driving fagging 5 radial movement promptly.
Preferably, the upper connecting arm comprises an upper connecting rod 12, one end of the upper connecting rod 12 is rotatably connected with the first tray 8, the other end of the upper connecting rod 12 is rotatably connected with a sliding rod 18, and the middle part of the upper connecting rod 12 is rotatably connected with an upper intermediate rod 13; the lower connecting arm comprises a lower connecting rod 25, one end of the lower connecting rod 25 is rotatably connected with the second tray 11, the other end of the lower connecting rod 25 is rotatably connected with the sliding rod 18, the middle part of the lower connecting rod 25 is rotatably connected with a lower intermediate rod 26, and the other ends of the lower intermediate rod 26 and the upper intermediate rod 13 are respectively rotatably connected with a fixed block 14 arranged on the oil pump barrel 3.
First tray 8 links to each other with fagging 5 through last connecting rod 12, lower connecting rod 25 links to each other second tray 11 with fagging 5, in the process of first tray 8 or second tray 11 axial displacement, it rotates around first tray 8 to go up connecting rod 12 tip, lower connecting rod 25 tip rotates around second tray 11, another tip that drives connecting rod 12 and lower connecting rod 25 simultaneously rotates around slide bar 18, change fagging 5 radial movement's distance, play the restriction to fagging 5 radial movement distance through last intermediate lever 13 and lower intermediate lever 26 again, and simultaneously, also play the effect of gaining in strength to last linking arm and lower linking arm.
Preferably, the first tray 8 is provided with a plurality of first lugs 15 corresponding to the upper connecting rods 12, the plurality of first lugs 15 are uniformly distributed along the circumferential direction of the oil pump barrel 3, and each first lug 15 is rotatably connected with the corresponding upper connecting rod 12; the second tray 11 is provided with a plurality of second lugs 16 corresponding to the lower connecting rods 25, the second lugs 16 are uniformly distributed along the circumferential direction of the oil pump barrel 3, and each second lug 16 is rotatably connected with the corresponding lower connecting rod 25.
The first lug 15 and the second lug 16 are arranged to be connected with the upper connecting rod 12 and the lower connecting rod 25 in a rotating mode, and meanwhile the first lug 15 and the second lug 16 are uniformly distributed along the axial direction of the oil pump barrel 3, so that the first lug 15 or the second lug 16 clamps the peripheral side of the oil pump barrel 3, and the first tray 8 or the second tray 11 can be limited.
Preferably, the first hydraulic oil pump 2 is provided with a first telescopic rod 6 connected with the first tray 8, and the second hydraulic oil pump 4 is provided with a second telescopic rod 9 connected with the second tray 11. The first telescopic rod 6 drives the first tray 8 to reciprocate along the axial direction of the oil pump cylinder 3, and the second telescopic rod 9 drives the second tray 11 to reciprocate along the axial direction of the oil pump cylinder 3.
Preferably, the stay plate 5 is provided with a plurality of ribs 19. The reinforcing ribs 19 reinforce the strength of the supporting plate 5, so that the supporting plate 5 can support the pile casing.
Preferably, a gasket 20 is fixedly connected to the outer side surface of the stay plate 5. The friction force between the supporting plate 5 and the inner wall of the casing is improved, so that the device is more stable in use.
Preferably, the two sides of the connector 1 are provided with bolt ports 7 connected with a rotary drilling rig. The device is connected with the rotary drilling rig through the bolt opening 7, and the operation is simple.
Preferably, the bottom of the second hydraulic oil pump 4 is provided with a support plate 10. The support plate 10 is used for supporting the second hydraulic oil pump 4, so that the second hydraulic oil pump 4 can be stably used.
A construction method for embedding a pile casing comprises the following steps:
the method comprises the following steps: the rotary drilling rig excavates a designated pile position according to the process requirement, when the designated pile position is excavated to a designated depth, the rotary drilling bit is pulled out, the pipe twisting power head is replaced, the pipe twisting power head is connected with the connector 1 through the bolt port 7, the rotary drilling rig is connected with the first hydraulic oil pump 2 and the second hydraulic oil pump 4 through the oil pump pipeline 21, and the rotary drilling rig can convey oil into the first hydraulic oil pump 2 and the second hydraulic oil pump 4;
step two: the device is lifted by a rotary drilling rig and then is put into the inner ring of the protective cylinder, power is provided by a first hydraulic oil pump 2 and a second hydraulic oil pump 4, the radial movement distance of the mechanical arm is changed, the device is tightly attached to the inner wall of the protective cylinder through a gasket 20, and the friction force of the device meets the working requirement;
step three: the pile casing is lifted by the rotary drilling rig and is transferred to the designated pile position, in the transferring process, the verticality is checked by the vertical collimator of the rotary drilling rig, and the transferring position of the pile casing is adjusted to enable the precision to meet the requirement.
Step four: and after the pile casing is placed at the designated position, the outer side of the pile casing is backfilled and compacted by clay by manpower or an excavator.
Preferably, before the step one, pile position fixing is carried out by adopting a pile position pile protection cross-shaped cross distance quantitative control method.
If the geological conditions are poor, a construction method of a full protection cylinder is needed, after a section of protection cylinder is lowered, the lowered pipe twisting power head is replaced by a rotary drilling bit, hole digging operation is carried out, then the lowered pipe twisting power head is replaced, welding and lowering of the protection cylinder are carried out, and the steps are repeated until the protection cylinder reaches the designated elevation.
The folding umbrella has the advantages that the conception is ingenious, the structure is simple, the design is reasonable, the mechanical principle similar to that of a folding umbrella is adopted, the length of the mechanical arm can be changed through the first hydraulic oil pump 2 and the second hydraulic oil pump 4, so that the mechanical arm can adapt to most of protection barrels, in addition, under the combined action of the adjustable mechanical arm, the first hydraulic oil pump 2 and the second hydraulic oil pump 4, and the gasket 20 on the supporting plate 5, the device can be attached to the protection barrels more tightly, and is not easy to fall off and generate displacement; simultaneously, when protecting a section of thick bamboo and transferring, connector 1 is connected with the unit head of digging the rig soon for it uses same machines and tools equipment with digging quick-witted drilling soon to transfer to protect a section of thick bamboo, simultaneously according to digging the pile foundation from the adjusting device who takes soon, can control and protect the straightness and the precision of hanging down that a section of thick bamboo was transferred, easy operation.
The invention simplifies the process of lowering the protective cylinder, combines the rotary drilling rig into the process of delivering the protective cylinder, reasonably utilizes all available resources on site and fully mobilizes available mechanical equipment. The precision is improved and the hidden danger of the damage of the pile casing is weakened. Meanwhile, the rotary drilling and the lowering of the protective cylinder are combined, so that the working surface is reduced, and the safety and the quality of a construction site can be better controlled.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a bury connecting device who puts and protect a section of thick bamboo, a serial communication port, include connector (1) that links to each other with rotary drilling rig, connector (1) below is connected with and is located the inside oil pump section of thick bamboo (3) of protecting, both ends are provided with first hydraulic oil pump (2) and second hydraulic oil pump (4) respectively about oil pump section of thick bamboo (3), first hydraulic oil pump (2) bottom is equipped with along first tray (8) of oil pump section of thick bamboo (3) axial displacement, second hydraulic oil pump (4) top is equipped with along second tray (11) of oil pump section of thick bamboo (3) axial displacement, be equipped with a plurality of robotic arms who radially set up along oil pump section of thick bamboo (3) between first tray (8) and second tray (11), robotic arm keeps away from the tip of oil pump section of thick bamboo (3) and is equipped with fagging (5) that can offset with protecting a section of thick bamboo inner wall, robotic arm can drive fagging (5) radial flexible, still be equipped with first hydraulic oil pump (2) and second hydraulic oil pump (4) respectively in oil pump section of The oil pump pipeline (21) that leads to, carry oil in order to control first tray (8) and second tray (11) along oil pump section of thick bamboo (3) axial displacement direction through oil pump pipeline (21) to first hydraulic oil pump (2) and second hydraulic oil pump (4), when first tray (8) and second tray (11) are close to the direction removal each other, drive fagging (5) radial expansion through robotic arm, when keeping away from the direction removal each other in first tray (8) and second tray (11), drive fagging (5) radial contraction through robotic arm.
2. A connecting device for embedding a casing according to claim 1, wherein the robot arm comprises an upper connecting arm and a lower connecting arm which are correspondingly arranged, the end of the upper connecting arm is rotatably connected with the first tray (8), the end of the lower connecting arm is rotatably connected with the second tray (11), the other ends of the upper connecting arm and the lower connecting arm are respectively rotatably connected with two sets of sliding rods (18) of the supporting plate (5), and a sliding groove (17) for the reciprocating movement of the sliding rods (18) is further arranged on the supporting plate (5).
3. The connecting device for embedding and protecting the cylinder as claimed in claim 2, wherein the upper connecting arm comprises an upper connecting rod (12), one end of the upper connecting rod (12) is rotatably connected with the first tray (8), the other end of the upper connecting rod is rotatably connected with a sliding rod (18), and the middle part of the upper connecting rod (12) is rotatably connected with an upper middle rod (13); the lower connecting arm comprises a lower connecting rod (25), one end of the lower connecting rod (25) is rotatably connected with the second tray (11), the other end of the lower connecting rod is rotatably connected with the sliding rod (18), the middle of the lower connecting rod (25) is rotatably connected with a lower intermediate rod (26), and the other ends of the lower intermediate rod (26) and the upper intermediate rod (13) are rotatably connected with a fixing block (14) arranged on the oil pump cylinder (3) respectively.
4. The connecting device of the embedded casing of claim 3, wherein the first tray (8) is provided with a plurality of first lugs (15) corresponding to the upper connecting rods (12), the first lugs (15) are uniformly distributed along the circumferential direction of the oil pump casing (3), and each first lug (15) is rotatably connected with the corresponding upper connecting rod (12); the oil pump is characterized in that a plurality of second support lugs (16) corresponding to the lower connecting rods (25) are arranged on the second tray (11), the second support lugs (16) are uniformly distributed along the circumferential direction of the oil pump barrel (3), and each second support lug (16) is rotatably connected with the corresponding lower connecting rod (25).
5. The connecting device of the embedding casing as claimed in claim 4, wherein a gasket (20) is fixedly connected to the outer side of the bracing plate (5), and the gasket (20) is made of rubber.
6. A connecting device for an embedding casing according to any one of claims 1-5, wherein the port of the oil pump pipeline (21) connected with the second hydraulic oil pump (4) is a first oil pump nozzle (22), the port connected with the first hydraulic oil pump (2) is a second oil pump nozzle (23), a third oil pump nozzle (24) positioned at the connector (1) is further arranged on the oil pump pipeline (21), the third oil pump nozzle (24) is connected with peripheral equipment, and when the first oil pump nozzle (22) and the second oil pump nozzle (23) are outlets, the third oil pump nozzle (24) is an inlet to control the first tray (8) and the second tray (11) to move in the direction of approaching each other; when the first oil pump nozzle (22) and the second oil pump nozzle (23) are inlets, the third oil pump nozzle (24) is an outlet to control the first tray (8) and the second tray (11) to move away from each other.
7. The connecting device of the embedded casing as claimed in claim 6, wherein the connecting head (1) is provided with a bolt port (7) at both sides for connecting with a rotary drilling rig.
8. A joint arrangement for embedding casing according to claim 7, characterized in that the bottom of the second hydraulic oil pump (4) is provided with a support plate (10).
9. A construction method of an embedded casing, characterized in that the connection device of the embedded casing according to claims 1-8, the construction method comprises the following steps:
the method comprises the following steps: the rotary drilling rig excavates an appointed pile position according to the process requirement, when the appointed pile position is excavated to an appointed depth, the rotary drilling bit is pulled out, a pipe twisting power head is replaced, the pipe twisting power head is connected with a connector (1) through a bolt opening (7), the rotary drilling rig is connected with a first hydraulic oil pump (2) and a second hydraulic oil pump (4) through an oil pump pipeline (21), and the rotary drilling rig can convey oil into the first hydraulic oil pump (2) and the second hydraulic oil pump (4);
step two: the device is lifted by a rotary drilling rig and then is put into the inner ring of the protective cylinder, power is provided by a first hydraulic oil pump (2) and a second hydraulic oil pump (4), the radial movement distance of a mechanical arm is changed, the device is tightly attached to the inner wall of the protective cylinder through a gasket (20), and the friction force of the device meets the working requirement;
step three: the pile casing is lifted by the rotary drilling rig and is transferred to the designated pile position, in the transferring process, the verticality is checked by the vertical collimator of the rotary drilling rig, and the transferring position of the pile casing is adjusted to enable the precision to meet the requirement.
Step four: and after the pile casing is placed at the designated position, the outer side of the pile casing is backfilled and compacted by clay by manpower or an excavator.
10. The method of claim 9, wherein the pile position is fixed by a cross distance quantitative control method of pile position pile protection before the step one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011357987.4A CN112442990A (en) | 2020-11-27 | 2020-11-27 | Connecting device for embedding protective cylinder and construction method |
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| CN202011357987.4A CN112442990A (en) | 2020-11-27 | 2020-11-27 | Connecting device for embedding protective cylinder and construction method |
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| CN112442990A true CN112442990A (en) | 2021-03-05 |
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| CN202011357987.4A Pending CN112442990A (en) | 2020-11-27 | 2020-11-27 | Connecting device for embedding protective cylinder and construction method |
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| CN117988826A (en) * | 2024-04-03 | 2024-05-07 | 中国市政工程西北设计研究院有限公司 | Hole forming verticality detection device for compaction pile |
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