CN108385690B - Annular mud jacking distributor and mud jacking system - Google Patents
Annular mud jacking distributor and mud jacking system Download PDFInfo
- Publication number
- CN108385690B CN108385690B CN201810330659.1A CN201810330659A CN108385690B CN 108385690 B CN108385690 B CN 108385690B CN 201810330659 A CN201810330659 A CN 201810330659A CN 108385690 B CN108385690 B CN 108385690B
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- grouting
- main shaft
- pipe
- sleeve
- cylinder body
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Classifications
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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
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
- F04B2015/026—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous with a priming plunger or piston ahead of the pumping piston and connected on the same piston rod
Abstract
The invention relates to an annular grouting distributor and a grouting system, which realize automatic control, can automatically execute corresponding instructions according to parameters, basically have no manual participation in the whole grouting process, have high automation degree, can greatly improve grouting efficiency and reduce labor cost; the negative influence of human factors, such as untimely reaction, low operation sensitivity, easy error, potential safety hazard caused by manual operation and the like, is reduced, so that the grouting construction can ensure the quality and is safe and reliable; the method solves the defects of low efficiency and easy error caused by adopting a manual recording mode in the existing grouting technology, realizes automatic control in the whole grouting construction process, lays a foundation for digitizing and networking grouting data, and has the advantages that parameter transmission and recording in the whole process are digital signals, no manual participation is caused, and the recording is accurate and detailed; meanwhile, the data can be uploaded to a server side in a wireless mode for owners, design, construction and supervision personnel to check, transparent construction is achieved, and supervision is enhanced.
Description
Technical Field
The invention relates to an annular grouting distributor and a grouting system, and belongs to the technical field of engineering piling.
Background
The pile foundation grouting technology is also called pile foundation post grouting technology, and after pile body concrete is poured and reaches a certain strength, cement slurry with a specific proportion of cement to cement ratio is hydraulically driven into a pile bottom soil layer or pile side soil layers at a plurality of elevations above the pile bottom by using a grouting device and a whole set of grouting equipment which are pre-installed on a reinforcement cage in the pile, so that the purposes of improving the bearing capacity and rigidity of the pile foundation are achieved, the construction cost of the pile foundation is greatly reduced, and the reliability of design is improved.
The existing pile foundation grouting technology mainly relies on manual control of grouting parameters and operation, has the problems of operation delay, large grouting amount control or pressure error, opaque grouting condition, difficult supervision, low efficiency and the like, and finally leads to difficult guarantee of grouting quality and influences on pile foundation bearing capacity.
Disclosure of Invention
The invention aims to solve the technical problem of providing the annular grouting distributor which adopts a brand new structural design, introduces an electric control automatic mechanical structure, can effectively improve the grouting work efficiency of pile holes and ensures the grouting effect.
The invention adopts the following technical scheme for solving the technical problems: the invention designs an annular grouting distributor, which utilizes a grouting pump to perform grouting operation aiming at the pile bottom and the positions of preset elevation positions above the pile bottom; wherein, the pile hole is internally provided with a reinforcement cage for installing the grouting device and is filled with concrete; the distributing and grouting device comprises a cylinder body, a first end cover, a second end cover, a bearing seat, a main shaft, a first electric driving device, a second electric driving device, a main grouting pipe, a piston sleeve, at least two grouting pipes and at least two grouting pipes;
the two ends of the cylinder body are open and mutually communicated, the surfaces of the two end ports of the cylinder body are parallel to each other, the caliber of one end port of the cylinder body is matched with the outer diameter of the first end cover, the first end cover is arranged at the port position of the end of the cylinder body in a butt joint mode, the center position of the first end cover is provided with a through hole penetrating through the two surfaces of the first end cover, the inner diameter of the through hole is matched with the outer diameter of the main shaft, one end of the main shaft is matched with the outer diameter of the main shaft through the through hole of the first end cover from the outer space of the cylinder body, the inner diameter of the bearing seat is matched with the outer diameter of the main shaft, the bearing seat is fixedly arranged on the surface of the first end cover facing the outer space, the through hole on the bearing seat is in butt joint with the through hole on the first end cover, the through hole on the bearing seat is fixedly sleeved on the periphery of the other end of the main shaft, the main shaft is perpendicular to the surface where the first end cover is positioned, and the main shaft rotates relative to the bearing seat;
the first electric driving device is positioned in the cylinder and used for driving the main shaft to rotate by taking the central line of the main shaft as an axis;
the caliber of the port at the other end of the cylinder body is matched with the outer diameter of the second end cover, the second end cover is arranged at the port position of the end of the cylinder body in a butt joint way, a through hole penetrating through the two surfaces of the second end cover is arranged at the center position of the second end cover, the inner diameter of the through hole is matched with the outer diameter of the main pulp inlet pipe, the main pulp inlet pipe penetrates through the through hole on the second end cover and is fixedly connected with the through hole on the second end cover, the main pulp inlet pipe is vertical to the second end cover, and the center line of the main pulp inlet pipe is collinear with the center line of the main shaft;
the piston sleeve comprises a piston tube and a sleeve sleeved outside the piston tube, the side surface of one end of the sleeve is fixedly connected with the end part of the main shaft, which is positioned in the inner space of the cylinder body, the sleeve is vertical to the main shaft, and the sleeve rotates along with the rotation of the main shaft; the end part of the sleeve connected with the main shaft is movably butted with the end part of the main slurry inlet pipe, which is positioned in the inner space of the cylinder body, through a bearing, and the sleeve rotates relative to the main slurry inlet pipe in the process of rotating along with the main shaft;
the second electric driving device is positioned in the cylinder and is used for driving the piston tube to enter and exit the sleeve;
the structure of each pulp outlet pipe is the same, each through hole penetrating through the inner space and the outer space of the barrel is arranged on one circle of the side surface of the barrel, the inner diameter of each through hole is matched with the outer diameter of each pulp outlet pipe, the number of the through holes is equal to that of the pulp outlet pipes, each pulp outlet pipe penetrates through each through hole on the side surface of the barrel in a one-to-one correspondence mode, each pulp outlet pipe is fixed with the through hole on the corresponding side surface of the barrel, the center line of each pulp outlet pipe is converged at one point, the point is positioned on the center line of the main shaft, the surfaces of all pulp outlet pipes are coplanar with the rotating surface of the sleeve which rotates along with the main shaft, the caliber of the end part of the inner space of the barrel on the pulp outlet pipe is matched with the caliber of the end part of the piston pipe which is opposite to the bearing connected with the sleeve, the sleeve sequentially corresponds to the phase position of each pulp outlet pipe along with the main shaft, and the piston pipe which is arranged in the sleeve is controlled by a second electric driving device to enter and exit the sleeve under the control of the corresponding pulp outlet pipe;
the output end of the grouting pump is butted with the end part of the main grouting pipe, which is positioned in the outer space of the cylinder body, and the grouting pump receives the grouting liquid with a specified mixing ratio and conveys the grouting liquid to the main grouting pipe; the number of the slurry conveying pipes is not larger than the number of the slurry conveying pipes, each slurry conveying pipe is positioned at the end part of the external space of the cylinder body, one end of each slurry conveying pipe is connected in one-to-one correspondence, the other end of each slurry conveying pipe is respectively in one-to-one correspondence with the top end of each vertical slurry pressing pipe in the pile hole slurry pressing device, each vertical slurry pressing pipe in the pile hole slurry pressing device is respectively corresponding to the pile bottom and the position of each elevation preset above the pile bottom, wherein the tail ends of each vertical slurry pressing pipe respectively corresponding to the pile bottom and the position of each elevation preset above the pile bottom are respectively in one-to-one correspondence with the single input port of one-to-one n pipeline, and n output ports on each one-to-n pipeline are respectively pointed to the position of each elevation preset above the corresponding pile bottom or pile bottom, and n is larger than or equal to 2.
As a preferred technical scheme of the invention: the first electric driving device comprises a first reversible motor, a driving wheel and a driven wheel, wherein a through hole penetrating through two sides of the driven wheel is formed in the center of the driven wheel, the inner diameter of the through hole is matched with the outer diameter of the main shaft, the driven wheel is positioned in the cylinder body, the driven wheel is fixedly sleeved on the main shaft, the main shaft is perpendicular to the surface of the driven wheel, a driving rod of the first reversible motor is fixedly connected with the center of the driving wheel, the driving rod of the first reversible motor is perpendicular to the surface of the driving wheel, an outer gear of the driving wheel corresponds to an outer gear of the driven wheel, the first reversible motor is fixedly arranged in the cylinder body, the outer gear of the driving wheel is in butt joint with an outgoing wheel of the driven wheel, and the driven wheel rotates under the rotation control of the driving wheel and drives the main shaft to rotate by taking the center line as a shaft.
As a preferred technical scheme of the invention: the Hall sensor comprises a Hall switch sensor A component and Hall switch sensor B components respectively corresponding to the Hall switch sensor A components; the Hall switch sensor A component is arranged on the edge of one side surface of the driven wheel, the pointing direction of the signal end of the Hall switch sensor A component is back to intersect with the central line of the main shaft, the straight line of the pointing direction of the signal end of the Hall switch sensor A component is parallel to the central line of the piston sleeve, and the signal end of the Hall switch sensor A component is parallel to the plane of the driven wheel along with the rotation of the driven wheel; the number of the Hall switch sensor B assemblies is equal to that of the slurry outlet pipes, the Hall switch sensor B assemblies are in one-to-one correspondence with the slurry outlet pipes, the Hall switch sensor B assemblies are positioned in the cylinder, the Hall switch sensor B assemblies are positioned on the outer side of a circle of the driven wheel, the straight line where the signal ends of the Hall switch sensor B assemblies point to the direction is coplanar with the signal ends of the Hall switch sensor A assemblies, the projection of the straight line where the signal ends of the Hall switch sensor B assemblies point to the direction is in the vertical direction is respectively collinear with the projection of the center line of the corresponding slurry outlet pipe, and the signal ends of the Hall switch sensor B assemblies point to the center line of the driven wheel; the signal end follow-up wheel of the Hall switch sensor A assembly rotates to correspond to the signal end of each Hall switch sensor B assembly in sequence.
As a preferred technical scheme of the invention: the second electric driving device comprises a second reversible motor and a transmission rod, the second reversible motor is fixed in the cylinder body, the driving rod of the second reversible motor is connected with one end of the transmission rod, the other end of the transmission rod is connected with the end part of the piston tube, which is opposite to the bearing connected with the sleeve, of the piston tube, and the piston tube enters and exits the sleeve under the driving of the second reversible motor to the transmission rod.
As a preferred technical scheme of the invention: the driving rod is a screw rod, the end part of the driving rod on the second reversible motor is connected with one end of the screw rod, the straight line where the driving rod is positioned on the second reversible motor is collinear with the straight line where the screw rod is positioned, the screw rod rotates along with the rotation of the driving rod on the second reversible motor, the driving positioning piece is connected with the end part of the piston tube, which is opposite to the bearing connected with the sleeve, of the piston tube, a through hole penetrating through two sides is formed in the driving positioning piece along the direction parallel to the central line of the piston tube, the inner diameter of the through hole is matched with the outer diameter of the screw rod, an inner thread corresponding to the outer thread on the screw rod is formed in the inner wall of the through hole, the screw rod shuttles in the through hole through the interaction of the outer thread and the inner thread of the through hole on the driving positioning piece, the straight line where the screw rod is positioned is parallel to the central line of the piston tube, the driving positioning piece moves back and forth on the screw rod along with the control rotation of the second reversible motor relative to the screw rod, and the piston tube moves back and forth along with the driving positioning piece to the piston tube moves back and forth along with the driving positioning piece.
As a preferred technical scheme of the invention: the device also comprises an indicating needle and each marking piece, wherein the indicating needle is positioned outside the cylinder body, one end of the indicating needle is connected with the end part of the main shaft, which is connected with the bearing seat, and the straight line of the indicating needle is parallel to the central line of the piston sleeve; the number of the marking pieces is equal to that of the pulp outlet pipes, the marking pieces are respectively in one-to-one correspondence with the pulp outlet pipes, the marking pieces are arranged on the surface, facing the outside of the cylinder, of the first end cover, the setting positions of the marking pieces take the through holes on the first end cover as the center to form a circle, and the setting positions of the marking pieces are respectively positioned on the coplanarity of the straight line where the corresponding pulp outlet pipes are positioned and the straight line where the main shaft is positioned.
As a preferred technical scheme of the invention: the end part of the sleeve, which is connected with the main shaft, is movably butted with the end part of the main slurry inlet pipe, which is positioned in the inner space of the cylinder body, through a bearing and a combined sealing ring.
As a preferred technical scheme of the invention: the grouting device also comprises a flowmeter and a pressure gauge which are arranged at the butt joint position of the output end of the grouting pump and the main grouting pipe.
Based on the structure of the designed annular grouting distributor, the invention further designs a grouting system based on the annular grouting distributor, and the grouting system can effectively improve the grouting working efficiency of pile holes and ensure grouting effect through an electric control automatic mechanical structure.
The invention adopts the following technical scheme for solving the technical problems: the invention designs a grouting system based on an annular grouting distributor, which comprises a grouting machine, a control terminal, a grouting pump and the annular grouting distributor, wherein the grouting machine is connected with the control terminal; the output end of the grouting pump is in butt joint with the end part of the main grouting pipe, which is positioned in the outer space of the cylinder body, in the annular grouting distributor; the pulping machine, the grouting pump and the annular grouting distributor are respectively connected with the control terminal;
the control terminal controls the pulping machine to manufacture the slurries with different water-cement ratios and convey the slurries to the grouting pump;
the grouting pump receives the slurries with different water-cement ratios manufactured by the grouting machine under the control of the control terminal, and performs grouting operation under the control of the control terminal;
the annular grouting distributor is used for grouting operation aiming at the pile bottom and the positions of all preset elevations above the pile bottom by using a grouting pump under the control of the control terminal.
Compared with the prior art, the annular grouting distributor and grouting system provided by the invention have the following technical effects:
(1) The annular grouting distributor and the grouting system designed by the invention realize automatic control, can automatically execute corresponding instructions according to parameters, basically have no manual participation in the whole grouting process, have high automation degree, can greatly improve grouting efficiency and reduce labor cost;
(2) The annular grouting distributor and the grouting system designed by the invention have the advantages that the efficiency is improved by automatic control, and meanwhile, the negative influence of human factors, such as untimely reaction, low operation sensitivity, easy error, potential safety hazard caused by manual operation and the like, are reduced, so that grouting construction can be ensured to be more quality, safe and reliable;
(3) The annular grouting distributor and the grouting system designed by the invention solve the defects that the existing grouting technology adopts a manual recording mode, has low efficiency and is easy to make mistakes, realize automatic control in the whole grouting construction process, lay a foundation for digitizing and networking grouting data, and have the advantages that the parameter transmission and recording in the whole process are all digital signals, no manual participation exists, and the recording is accurate and detailed; meanwhile, the data can be uploaded to a server side in a wireless mode for owners, design, construction and supervision personnel to check, transparent construction is achieved, and supervision is enhanced.
Drawings
FIG. 1 is a schematic cross-sectional view of an annular grouting distributor according to the present invention;
FIG. 2 is a top view of an annular slurry dispenser according to the present invention;
FIG. 3 is a schematic diagram of a section of n piping in an annular grouting distributor according to the present invention.
The novel hydraulic engine comprises a cylinder body 1, a first end cover 2, a second end cover 3, a bearing seat 4, a main shaft 5, a first reversible motor 6, a driving wheel 7, a driven wheel 8, a second reversible motor 9, a transmission rod 10, a main slurry inlet pipe 11, a piston sleeve pipe 12, a slurry outlet pipe 13, a Hall switch sensor A assembly 15, a Hall switch sensor B assembly 16 and a transmission positioning piece 17.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in fig. 1, the invention designs an annular grouting distributor, which utilizes a grouting pump to perform grouting operation on the pile bottom and positions at preset elevations above the pile bottom; wherein, the pile hole is internally provided with a reinforcement cage for installing the grouting device and is filled with concrete; in practical application, the distributing grouting device specifically comprises a cylinder body 1, a first end cover 2, a second end cover 3, a bearing seat 4, a main shaft 5, a first electric driving device, a second electric driving device, a main grouting pipe 11, a transmission positioning piece 17, a piston sleeve 12, at least two grouting pipes 13, at least two grouting pipes, a hall switch sensor A assembly 15 and hall switch sensor B assemblies 16 which respectively correspond to the hall switch sensor A assembly 15.
The two ends of the cylinder body 1 are open and mutually communicated, the surfaces where the ports at the two ends of the cylinder body 1 are respectively located are parallel to each other, the caliber of one end port of the cylinder body 1 is matched with the outer diameter of the first end cover 2, the first end cover 2 is arranged at the port position of the end of the cylinder body 1 in a butt joint mode, a through hole penetrating through the two surfaces of the first end cover 2 is formed in the center position of the first end cover 2, the inner diameter of the through hole is matched with the outer diameter of the main shaft 5, one end of the main shaft 5 is formed by the outer space of the cylinder body 1 through the through hole of the first end cover 2 and the inner diameter of the bearing seat 4 is matched with the outer diameter of the main shaft 5, the bearing seat 4 is fixedly arranged on the surface of the first end cover 2 facing the outer space, the through hole on the bearing seat 4 is in butt joint with the through hole on the first end cover 2, the through hole on the bearing seat 4 is fixedly sleeved on the periphery of the other end of the main shaft 5, the main shaft 5 is perpendicular to the surface where the first end cover 2 is located, and the main shaft 5 rotates relative to the bearing seat 4.
The first electric driving device is located in the cylinder 1 and is used for driving the main shaft 5 to rotate by taking the central line of the main shaft as an axis, in practical application, the first electric driving device specifically designed comprises a first reversible motor 6, a driving wheel 7 and a driven wheel 8, a through hole penetrating through two surfaces of the driven wheel 8 is formed in the central position of the driven wheel 8, the inner diameter of the through hole is matched with the outer diameter of the main shaft 5, the driven wheel 8 is located in the cylinder 1, the driven wheel 8 is fixedly sleeved on the main shaft 5, the main shaft 5 is perpendicular to the surface where the driven wheel 8 is located, a driving rod of the first reversible motor 6 is fixedly connected with the central position of the driving wheel 7, the driving rod of the first reversible motor 6 is perpendicular to the surface where the driving wheel 7 is located, an external gear of the driving wheel 7 corresponds to an external gear of the driven wheel 8, the first reversible motor 6 is fixedly arranged in the cylinder 1, the external gear of the driving wheel 7 is connected with an outgoing wheel of the driven wheel 8 relatively, and the driven wheel 8 rotates under the rotation control of the driving wheel 7, and the main shaft 5 is driven to rotate by taking the central line of the driving wheel as an axis.
The Hall switch sensor A assembly 15 is arranged on the edge of one side surface of the driven wheel 8, the pointing direction of the signal end of the Hall switch sensor A assembly 15 is back to intersect with the central line of the main shaft 5, the straight line of the pointing direction of the signal end of the Hall switch sensor A assembly 15 is parallel to the central line of the piston sleeve 12, and the signal end of the Hall switch sensor A assembly 15 is parallel to the plane of the driven wheel 8 along with the rotation of the driven wheel 8; the number of the Hall switch sensor B assemblies 16 is equal to that of the pulp outlet pipes 13, the Hall switch sensor B assemblies 16 are in one-to-one correspondence with the pulp outlet pipes 13, the Hall switch sensor B assemblies 16 are positioned in the cylinder 1, the Hall switch sensor B assemblies 16 are positioned on the outer side of a circle of the driven wheel 8, the straight line where the signal end pointing direction of each Hall switch sensor B assembly 16 is positioned is coplanar with the signal end pointing scanning surface of the Hall switch sensor A assembly 15, the projection of the straight line where the signal end pointing direction of each Hall switch sensor B assembly 16 is positioned along the vertical direction is respectively collinear with the projection of the central line of the corresponding pulp outlet pipe 13, and the signal end of each Hall switch sensor B assembly 16 is pointed at the central line of the driven wheel 8; the signal end of the hall switch sensor a assembly 15 sequentially corresponds to the signal end of each hall switch sensor B assembly 16 following the rotation of the wheel 8.
The caliber of the port at the other end of the cylinder body 1 is matched with the outer diameter of the second end cover 3, the second end cover 3 is arranged at the port position of the end of the cylinder body 1 in a butt joint mode, a through hole penetrating through two surfaces of the second end cover 3 is formed in the center position of the second end cover 3, the inner diameter of the through hole is matched with the outer diameter of the main pulp inlet pipe 11, the main pulp inlet pipe 11 penetrates through the through hole in the second end cover 3 and is fixedly connected with the through hole in the second end cover 3, the main pulp inlet pipe 11 is perpendicular to the second end cover 3, and the center line of the main pulp inlet pipe 11 is collinear with the center line of the main shaft 5.
The piston sleeve 12 comprises a piston tube and a sleeve sleeved outside the piston tube, the side surface of one end of the sleeve is fixedly connected with the end part of the main shaft 5, which is positioned in the inner space of the cylinder body 1, the sleeve is vertical to the main shaft 5, and the sleeve rotates along with the rotation of the main shaft 5; the end part of the sleeve connected with the main shaft 5 is movably butted with the end part of the main pulp inlet pipe 11 positioned in the inner space of the cylinder body 1 through a bearing and a sealing ring, and the sleeve rotates relative to the main pulp inlet pipe 11 in the process of rotating along with the main shaft 5.
The second electric driving device is located in the cylinder 1 and used for driving the piston tube to enter and exit the sleeve, in practical application, the second electric driving device specifically designed comprises a second reversible motor 9 and a transmission rod 10, the second reversible motor 9 is fixed in the cylinder 1, the driving rod of the second reversible motor 9 is connected with one end of the transmission rod 10, the other end of the transmission rod 10 is connected with the end part of the piston tube, which is opposite to a bearing connected with the sleeve, of the piston tube, and the piston tube enters and exits the sleeve under the driving of the second reversible motor 9 aiming at the transmission rod 10.
In practical application, as shown in fig. 2, a screw is further designed for the transmission rod 10, the end of the driving rod on the second reversible motor 9 is connected with one end of the screw, the straight line where the driving rod on the second reversible motor 9 is located is collinear with the straight line where the screw is located, the screw rotates along with the rotation of the driving rod on the second reversible motor 9, the transmission positioning piece 17 is connected with the end of the bearing on the piston tube, which is opposite to the sleeve, a through hole penetrating through two sides is arranged on the transmission positioning piece 17 along the direction parallel to the central line of the piston tube, the inner diameter of the through hole is adapted to the outer diameter of the screw, an inner thread corresponding to the outer thread on the screw is arranged on the inner wall of the through hole, the screw shuttles in the through hole through the interaction of the outer thread and the inner thread of the through hole on the transmission positioning piece 17, the straight line where the screw is located is parallel to the central line of the piston tube, along with the control rotation of the second reversible motor 9 for the screw, the transmission positioning piece 17 moves back and forth on the screw, and the piston tube moves back and forth along with the movement of the transmission positioning piece 17 on the screw.
The structure of each pulp outlet pipe 13 is the same, the structure of each pulp outlet pipe 13 is the same with each other, a circle of the side of the cylinder 1 is provided with each through hole penetrating through the inner space and the outer space of the cylinder 1, the inner diameter of each through hole is matched with the outer diameter of each pulp outlet pipe 13, the number of each through hole is equal to the number of each pulp outlet pipe 13, each pulp outlet pipe 13 respectively passes through each through hole on the side of the cylinder 1 in a one-to-one correspondence manner, each pulp outlet pipe 13 is respectively fixed with the through hole on the corresponding side of the cylinder 1, the center line of each pulp outlet pipe 13 is converged at one point, the center line of the main shaft 5 is located, the surfaces of all pulp outlet pipes 13 are coplanar with the rotating surface of the sleeve which rotates along with the main shaft 5, the caliber of the end part of the inner space of the cylinder 1 on the pulp outlet pipe 13 is matched with the caliber of the end part of the piston pipe which is connected with the sleeve, the sleeve which rotates along with the main shaft 5, the piston pipe which is sequentially corresponds to the phase position of each pulp outlet pipe 13, and the piston pipe which is arranged in the sleeve under the control of the second electric driving device based on the corresponding position of the sleeve and the corresponding position of the pulp outlet pipe 13.
The output end of the grouting pump is butted with the end part of the main grouting pipe 11, which is positioned in the outer space of the cylinder body 1, and the flowmeter and the pressure gauge at the butted position of the output end of the grouting pump and the main grouting pipe 11 are used for receiving the grouting liquid with specified mixing ratio and conveying the grouting liquid to the main grouting pipe 11; the number of the slurry conveying pipes is not larger than the number of the slurry conveying pipes 13, each slurry conveying pipe 13 is located at the end part of the external space of the cylinder body 1 and is connected with one end of each slurry conveying pipe in a one-to-one correspondence mode, the other end of each slurry conveying pipe is respectively in one-to-one butt joint with the top end of each vertical slurry pressing pipe in the pile hole slurry pressing device, each vertical slurry pressing pipe in the pile hole slurry pressing device is respectively corresponding to the pile bottom and the position of each preset elevation above the pile bottom, wherein the tail ends of each vertical slurry pressing pipe respectively corresponding to the pile bottom and the position of each preset elevation above the pile bottom are respectively in one-to-one correspondence with single input ports of one-to-one n pipelines, as shown in fig. 3, n output ports on each one-to-n pipeline are respectively pointed to the position of each preset elevation above the corresponding pile bottom or the pile bottom, and n is larger than or equal to 2.
Compared with the design for realizing the electric control detection of the corresponding relation between the piston sleeve 12 and each slurry outlet pipe 13 by using the Hall switch sensor structure, the invention also designs another set of judging modes for realizing the corresponding relation between the piston sleeve 12 and each slurry outlet pipe 13, namely, an indicating needle and each marking piece are introduced, the indicating needle is specifically designed to be positioned outside the cylinder body 1, one end of the indicating needle is connected with the end part of the main shaft 5 connected with the bearing seat 4, and the straight line of the indicating needle is parallel to the central line of the piston sleeve 12; the number of the marking pieces is equal to that of the pulp outlet pipes 13, the marking pieces are respectively in one-to-one correspondence with the pulp outlet pipes 13, the marking pieces are arranged on the surface, facing the outside of the cylinder body 1, of the first end cover 2, the setting positions of the marking pieces are round by taking the through holes of the first end cover 2 as the center, and the setting positions of the marking pieces are respectively positioned on the coplanarity of the straight line where the corresponding pulp outlet pipes 13 are positioned and the straight line where the main shaft 5 is positioned.
Based on the structure of the designed annular grouting distributor, the invention further designs a grouting system based on the annular grouting distributor, which comprises a pulping machine, a control terminal, a grouting pump and the annular grouting distributor.
The output end of the pulping machine is connected with the input end of the grouting pump, and the output end of the grouting pump is butted with the end part of the main grouting pipe 11, which is positioned in the outer space of the cylinder body 1, in the annular grouting distributor; the pulping machine, the grouting pump and the annular grouting distributor are respectively connected with the control terminal; the control terminal controls the pulping machine to manufacture the slurries with different water-cement ratios and convey the slurries to the grouting pump; the grouting pump receives the slurries with different water-cement ratios manufactured by the grouting machine under the control of the control terminal, and performs grouting operation under the control of the control terminal; the annular grouting distributor is used for grouting operation aiming at the pile bottom and the positions of all preset elevations above the pile bottom by using a grouting pump under the control of the control terminal.
The annular grouting distributor and the grouting system are applied to practice, the grouting machine, the control terminal, the grouting pump and the annular grouting distributor are installed and connected according to the structure of the grouting system, and the annular grouting distributor is installed and arranged according to the structure of the annular grouting distributor; and the pouring of concrete is realized aiming at pile holes for placing and installing reinforcement cages of the grouting device; in specific practical application, the control terminal controls the pulping machine to manufacture the slurries with different water-cement ratios and convey the slurries to the grouting pump; the grouting pump receives the slurries with different water-cement ratios manufactured by the grouting machine under the control of the control terminal, and performs grouting operation under the control of the control terminal; the annular grouting distributor is used for grouting operation aiming at the pile bottom and the positions of all preset elevations above the pile bottom by utilizing a grouting pump under the control of a control terminal, wherein for the annular grouting distributor, slurry is injected into the annular grouting distributor by a main grouting pipe 11, and an operator controls a first electric driving device to work on a cylinder body 1 based on the detection of the corresponding relation between a designed Hall switch sensor structure or an indication needle and all marker suite structures and the obtained piston sleeve 12 and all grouting pipes 13, and specifically controls a first reversible motor 6 to work so as to drive a driving wheel 7 to rotate and drive a driven wheel 8 to rotate, so that the position of the piston sleeve 12 corresponds to the position of each grouting pipe 13; realizing that the piston sleeve 12 corresponds to each slurry outlet pipe 13 in position based on the control of the first reversible motor 6; the operator further controls the second electric driving device to work, namely, controls the second reversible motor 9 to work to drive the transmission rod 10 designed by the screw rod to rotate, so, along with the control rotation of the second reversible motor 9 for the screw rod, the transmission positioning piece 17 moves back and forth on the screw rod, the piston tube moves back and forth along with the transmission positioning piece 17 to enter and exit the sleeve, the piston tube is finally in the piston sleeve 12 to realize the butt joint of the piston tube and the appointed pulp outlet tube 13, and then the pulp is conveyed to the pulp outlet tube 13 through the main pulp inlet tube 11 and the sleeve and the piston tube in the piston sleeve 12, and is conveyed to the appointed vertical pulp pressing tube through the pulp conveying tube and is further conveyed to the corresponding n-division pipeline, so that the pulp pressing operation on the appointed elevation position is realized.
The annular grouting distributor and the grouting system designed by the technical scheme realize automatic control, can automatically execute corresponding instructions according to parameters, basically have no manual participation in the whole grouting process, have high automation degree, can greatly improve grouting efficiency and reduce labor cost; the automatic control improves the efficiency, and reduces the negative influence of human factors, such as untimely reaction, low operation sensitivity, easy error, potential safety hazard caused by manual operation and the like, so that the grouting construction can ensure the quality and is safe and reliable; the method solves the defects of low efficiency and easy error caused by adopting a manual recording mode in the existing grouting technology, realizes automatic control in the whole grouting construction process, lays a foundation for digitizing and networking grouting data, and has the advantages that parameter transmission and recording in the whole process are digital signals, no manual participation is caused, and the recording is accurate and detailed; meanwhile, the data can be uploaded to a server side in a wireless mode for owners, design, construction and supervision personnel to check, transparent construction is achieved, and supervision is enhanced.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. An annular mud jacking distributor, its characterized in that: grouting operation is carried out on the pile bottom and positions at preset elevation positions above the pile bottom by using a grouting pump; wherein, the pile hole is internally provided with a reinforcement cage for installing the grouting device and is filled with concrete; the annular grouting distributor comprises a cylinder body (1), a first end cover (2), a second end cover (3), a bearing seat (4), a main shaft (5), a first electric driving device, a second electric driving device, a main grouting pipe (11), a piston sleeve (12), at least two grouting pipes (13) and at least two grouting pipes;
the two ends of the cylinder body (1) are open and mutually communicated, the surfaces of the two end ports of the cylinder body (1) are respectively parallel to each other, the caliber of one end port of the cylinder body (1) is matched with the outer diameter of the first end cover (2), the first end cover (2) is arranged at the port position of the end of the cylinder body (1) in a butt joint mode, a through hole penetrating through the two surfaces of the first end cover (2) is arranged at the center position of the first end cover, the inner diameter of the through hole is matched with the outer diameter of the main shaft (5), one end of the main shaft (5) is formed by the outer space of the cylinder body (1) through the through hole of the first end cover (2), the inner diameter of the bearing seat (4) is matched with the outer diameter of the main shaft (5), the bearing seat (4) is fixedly arranged on the surface of the first end cover (2) facing the outer space, the through hole of the bearing seat (4) is in butt joint with the through hole of the first end cover (2), the through hole on the bearing seat (4) is fixedly sleeved on the periphery of the other end of the main shaft (5), the main shaft (5) is perpendicular to the surface of the first end cover (2), and the main shaft (5) rotates relatively to the bearing seat (4);
the first electric driving device is positioned in the cylinder body (1) and is used for driving the main shaft (5) to rotate by taking the central line of the main shaft as an axis;
the caliber of the port at the other end of the cylinder body (1) is matched with the outer diameter of the second end cover (3), the second end cover (3) is abutted to the port position at the end of the cylinder body (1), through holes penetrating through the two surfaces of the second end cover (3) are arranged at the center position of the second end cover, the inner diameter of each through hole is matched with the outer diameter of a main pulp inlet pipe (11), the main pulp inlet pipe (11) penetrates through the through holes in the second end cover (3) and is fixedly connected with the through holes in the second end cover (3), the main pulp inlet pipe (11) is perpendicular to the second end cover (3), and the center line of the main pulp inlet pipe (11) is collinear with the center line of the main shaft (5);
the piston sleeve (12) comprises a piston tube and a sleeve sleeved outside the piston tube, the side surface of one end of the sleeve is fixedly connected with the end part of the main shaft (5) which is positioned in the inner space of the cylinder body (1), the sleeve is vertical to the main shaft (5), the sleeve rotates along with the rotation of the main shaft (5), and the end part of the sleeve which is connected with the main shaft (5) is movably butted with the end part of the main slurry inlet tube (11) which is positioned in the inner space of the cylinder body (1) through a bearing and a sealing ring; the end part of the sleeve connected with the main shaft (5) is movably butted with the end part of the main pulp inlet pipe (11) positioned in the inner space of the cylinder body (1) through a bearing, and the sleeve rotates relative to the main pulp inlet pipe (11) in the rotating process along with the main shaft (5);
the second electric driving device is positioned in the cylinder body (1) and is used for driving the piston tube to enter and exit the sleeve;
the structure of each grout outlet pipe (13) is the same as each other, each through hole penetrating through the inner space and the outer space of the barrel (1) is arranged on one circle of the side surface of the barrel (1), the inner diameter of each through hole is matched with the outer diameter of each grout outlet pipe (13), the number of the through holes is equal to that of the grout outlet pipes (13), each grout outlet pipe (13) respectively penetrates through each through hole on the side surface of the barrel (1) in a one-to-one correspondence manner, each grout outlet pipe (13) is respectively fixed with the through hole on the side surface of the corresponding barrel (1), the center line of each grout outlet pipe (13) is converged at one point, the point is on the center line of the main shaft (5), the surfaces of all grout outlet pipes (13) are coplanar with the rotating surface of the sleeve pipe rotating along with the main shaft (5), the caliber of the end part of the inner space of the barrel (1) on the grout outlet pipe is matched with the caliber of the end part of the piston pipe, which is connected with the sleeve pipe, the sleeve pipe rotates along with the main shaft (5) and sequentially corresponds to the phase position of each grout outlet pipe (13), the sleeve pipe is arranged in the corresponding position of the sleeve pipe along with the corresponding position of the sleeve pipe along with the main shaft (5), and the piston is correspondingly arranged in the sleeve pipe and corresponds to the second grout outlet pipe (13;
the output end of the grouting pump is butted with the end part of the main grouting pipe (11) positioned in the outer space of the cylinder body (1), and the grouting pump receives the slurry with a specified mixing ratio and conveys the slurry to the main grouting pipe (11); the number of the slurry conveying pipes is not greater than the number of the slurry outlet pipes (13), each slurry outlet pipe (13) is positioned at the end part of the external space of the cylinder body (1) and is respectively connected with one end of each slurry conveying pipe in a one-to-one correspondence manner, the other end of each slurry conveying pipe is respectively in one-to-one butt joint with the top end of each vertical slurry pressing pipe in the pile hole slurry pressing device, each vertical slurry pressing pipe in the pile hole slurry pressing device is respectively corresponding to the pile bottom and the position of each preset elevation above the pile bottom, wherein the tail ends of each vertical slurry pressing pipe respectively corresponding to the pile bottom and the position of each preset elevation above the pile bottom are respectively in one-to-one butt joint with one-to-one divisionSingle inlet of the line, each one-minute->On the pipeline->The output ports are respectively directed to the corresponding pile bottom or the positions of the preset elevation positions above the pile bottom, and the positions of the preset elevation positions are->Greater than or equal to 2;
the first electric driving device comprises a first reversible motor (6), a driving wheel (7) and a driven wheel (8), wherein a through hole penetrating through two surfaces of the driven wheel (8) is formed in the center of the driven wheel (8), the inner diameter of the through hole is matched with the outer diameter of the main shaft (5), the driven wheel (8) is positioned in the barrel (1), the driven wheel (8) is fixedly sleeved on the main shaft (5), the main shaft (5) is perpendicular to the surface of the driven wheel (8), a driving rod of the first reversible motor (6) is fixedly connected with the center of the driving wheel (7), a driving rod of the first reversible motor (6) is perpendicular to the surface of the driving wheel (7), an outer gear of the driving wheel (7) corresponds to an outer gear of the driven wheel (8), the outer gear of the driving wheel (7) is fixedly arranged inside the barrel (1), the outer gear of the driving wheel (7) is in butt joint with an outgoing gear of the driven wheel (8), and the driven wheel (8) rotates under the control of the rotation of the first reversible motor (6) aiming at the driving wheel (7) and drives the main shaft (5) to rotate around the center of the center as a shaft.
2. An annular grouting distributor according to claim 1, wherein: the Hall sensor comprises a Hall switch sensor A assembly (15) and Hall switch sensor B assemblies (16) which respectively correspond to the Hall switch sensor A assemblies (15); the Hall switch sensor A assembly (15) is arranged on the edge of one side surface of the driven wheel (8), the pointing direction of the signal end of the Hall switch sensor A assembly (15) is back to intersect with the central line of the main shaft (5), the straight line of the pointing direction of the signal end of the Hall switch sensor A assembly (15) is parallel to the central line of the piston sleeve (12), and the signal end of the Hall switch sensor A assembly (15) is parallel to the plane of the sweeping surface and the driven wheel (8) along with the rotation of the driven wheel (8); the number of the Hall switch sensor B assemblies (16) is equal to that of the pulp outlet pipes (13), the Hall switch sensor B assemblies (16) are in one-to-one correspondence with the pulp outlet pipes (13), the Hall switch sensor B assemblies (16) are positioned in the cylinder body (1), the Hall switch sensor B assemblies (16) are positioned at the outer side of a circle of the driven wheel (8), the straight line of the pointing direction of the signal ends of the Hall switch sensor B assemblies (16) is coplanar with the pointing scanning plane of the signal ends of the Hall switch sensor A assemblies (15), the projection of the straight line of the pointing direction of the signal ends of the Hall switch sensor B assemblies (16) along the vertical direction is respectively collinear with the projection of the central line of the corresponding pulp outlet pipe (13), and the signal ends of the Hall switch sensor B assemblies (16) are pointed at the central line of the driven wheel (8); the signal end follow-up wheel (8) of the Hall switch sensor A assembly (15) rotates to sequentially correspond to the signal end of each Hall switch sensor B assembly (16).
3. An annular grouting distributor according to claim 1, wherein: the second electric driving device comprises a second reversible motor (9) and a transmission rod (10), the second reversible motor (9) is fixed in the cylinder body (1), the driving rod of the second reversible motor (9) is connected with one end of the transmission rod (10), the other end of the transmission rod (10) is connected with the end part, opposite to the bearing connected with the sleeve, of the piston tube, and the piston tube enters and exits the sleeve under the driving of the second reversible motor (9) aiming at the transmission rod (10).
4. A ring-shaped grouting distributor according to claim 3, wherein: the driving device is characterized by further comprising a transmission positioning piece (17), the transmission rod (10) is a screw, the end part of the driving rod on the second reversible motor (9) is connected with one end of the screw, the straight line of the driving rod on the second reversible motor (9) is collinear with the straight line of the screw, the screw rotates along with the rotation of the driving rod on the second reversible motor (9), the transmission positioning piece (17) is connected with the end part of the piston tube, which is opposite to a bearing connected with the sleeve, a through hole penetrating through two sides is formed in the transmission positioning piece (17) along the direction parallel to the central line of the piston tube, the inner diameter of the through hole is matched with the outer diameter of the screw, an inner thread corresponding to the outer thread on the screw is formed in the inner wall of the through hole, the screw is in the through hole through the interaction of the outer thread of the inner thread of the through hole on the transmission positioning piece (17), the straight line of the screw is parallel to the central line of the piston tube, the piston tube moves back and forth along with the control rotation of the second reversible motor (9) for the screw, and the piston tube moves back and forth along with the movement of the transmission positioning piece (17) on the screw.
5. An annular grouting distributor according to claim 1, wherein: the device also comprises an indicating needle and various marking pieces, wherein the indicating needle is positioned outside the cylinder body (1), one end of the indicating needle is connected with the end part of the main shaft (5) connected with the bearing seat (4), and the straight line of the indicating needle is parallel to the central line of the piston sleeve (12); the number of the marking pieces is equal to that of the pulp outlet pipes (13), the marking pieces are respectively in one-to-one correspondence with the pulp outlet pipes (13), the marking pieces are arranged on the surface, facing the outside of the cylinder body (1), of the first end cover (2), the arrangement positions of the marking pieces are round by taking the through holes of the first end cover (2) as the center, and the arrangement positions of the marking pieces are respectively located on the coplanarity of the straight line where the corresponding pulp outlet pipe (13) is located and the straight line where the main shaft (5) is located.
6. An annular grouting distributor according to claim 1, wherein: the grouting device also comprises a flowmeter and a pressure gauge which are arranged at the butt joint position of the output end of the grouting pump and the main grouting pipe (11).
7. A grouting system based on an annular grouting distributor according to any one of claims 1 to 6, characterised in that: comprises a pulping machine, a control terminal, a grouting pump and the annular grouting distributor; the output end of the pulping machine is connected with the input end of the grouting pump, and the output end of the grouting pump is butted with the end part of the main grouting pipe (11) positioned in the outer space of the cylinder body (1) in the annular grouting distributor; the pulping machine, the grouting pump and the annular grouting distributor are respectively connected with the control terminal;
the control terminal controls the pulping machine to manufacture the slurries with different water-cement ratios and convey the slurries to the grouting pump;
the grouting pump receives the slurries with different water-cement ratios manufactured by the grouting machine under the control of the control terminal, and performs grouting operation under the control of the control terminal;
the annular grouting distributor is used for grouting operation aiming at the pile bottom and the positions of all preset elevations above the pile bottom by using a grouting pump under the control of the control terminal.
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| CN201810330659.1A CN108385690B (en) | 2018-04-13 | 2018-04-13 | Annular mud jacking distributor and mud jacking system |
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| CN201810330659.1A CN108385690B (en) | 2018-04-13 | 2018-04-13 | Annular mud jacking distributor and mud jacking system |
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| CN108385690B true CN108385690B (en) | 2023-09-05 |
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| CN108385690A (en) | 2018-08-10 |
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