CN117307187A - Horizontal pipe jacking device for underground pipe network installation - Google Patents

Abstract

The invention discloses a horizontal top pipe device for underground pipe network installation, which comprises a pipe body assembly, wherein a top pipe drill bit is arranged at the head part of the pipe body assembly, a driving pipe assembly and a pushing mechanism for moving the top pipe drill bit along the axis direction of the driving pipe assembly are arranged at the tail part of the pipe body assembly, the pipe body assembly comprises a plurality of independent pipe fittings which are sequentially arranged, each independent pipe fitting comprises an inner pipe and an outer pipe, an annular storage cavity is formed between the inner pipe and the outer pipe, the annular storage cavity is used for collecting sludge generated by the operation of the top pipe drill bit, and a stirring and transporting piece is arranged in the annular storage cavity and is used for stirring and moving the sludge in the annular storage cavity; wherein, pushing mechanism still is used for controlling stirring transportation spare opens and stops. The pipe jacking device has the advantages that the pipe is convenient to operate when the pipe jacking construction is performed, the excavated soil can be fully utilized, the stability of the pipe is improved, and the subsequent treatment cost for the soil is reduced.

Description

Horizontal pipe jacking device for underground pipe network installation

Technical Field

The invention relates to the technical field of underground pipe network construction, in particular to a horizontal pipe jacking device for underground pipe network installation.

Background

The horizontal directional drilling technology is characterized in that the jacking force generated by jacking equipment such as a main jacking oil cylinder and the like is utilized in a working pit to overcome the friction force between a pipeline and surrounding soil, the pipeline is jacked into the soil according to the designed gradient, one section of pipe is jacked into the soil layer after the jacking of the pipeline is completed, a second section of pipe is jacked continuously, and the pipe jacking construction is widely applied to municipal construction.

Chinese patent (CN 104358927B) discloses a pipe jacking device, which comprises a jack, a jack support, a slide rail and a pipe jacking drill bit, wherein the jack is arranged on the jack support, the pipe jacking drill bit is arranged on the slide rail, a telescopic rod of the jack faces the pipe jacking drill bit, an annular backrest is arranged between the jack and the pipe jacking drill bit and is attached to the end part of the pipe jacking drill bit, the front end of the pipe jacking drill bit is connected with a water inlet pipe and a mud outlet pipe, and lifting equipment is further arranged above the slide rail.

The push bench that above-mentioned patent provided is at the in-process that the jacking, and the inlet tube can be to push pipe drill bit front end water injection, and rivers become the earth of excavation mud and discharge through going out mud pipe, have improved the efficiency of unearthing, but this push bench still has following shortcoming:

1, when a new pipeline is added, the water inlet pipe and the mud outlet pipe are required to be detached from external equipment and pass through the pipeline, the operation is troublesome, the lengths of the water inlet pipe and the mud outlet pipe are also continuously increased, and the water inlet pipe and the mud outlet pipe are easy to wind in the construction process;

2, the excavated soil is directly discharged from the soil outlet pipe, so that the treatment cost of the soil is increased;

and 3, burying the pipeline underground for a long time, and shifting the position of the pipeline along with the change of the underground environment, so that the pipeline is misplaced.

Disclosure of Invention

The invention aims to provide a horizontal pipe jacking device for underground pipe network installation, which is used for solving the problems that the existing pipe jacking device in the background art is inconvenient to operate due to the fact that a pipeline is added during pipe jacking construction, the treatment cost of soil is high and the pipeline is misplaced.

The aim of the invention can be achieved by the following technical scheme:

the horizontal pipe jacking device for underground pipe network installation comprises a pipe body assembly, wherein a pipe jacking drill bit is arranged at the head of the pipe body assembly, and a pushing mechanism for driving the pipe body assembly and the pipe jacking drill bit to move along the axis direction of the pipe body assembly is arranged at the tail of the pipe body assembly;

the pipe body assembly comprises a plurality of independent pipe fittings which are sequentially arranged, each independent pipe fitting comprises an inner pipe and an outer pipe, an annular storage cavity is formed between the inner pipe and the outer pipe, the annular storage cavity is used for collecting sludge generated by pipe jacking drill operation, a stirring and transporting piece is arranged in the annular storage cavity, and the stirring and transporting piece is used for stirring and moving the sludge in the annular storage cavity;

wherein, pushing mechanism still is used for controlling stirring transportation spare opens and stops.

As a further scheme of the invention: the stirring transport member includes:

the annular tracks are respectively sleeved on the periphery of the inner tube;

the annular sleeve is rotatably sleeved on the peripheries of the annular rails, and two ends of the annular sleeve are rotatably attached to two ends of the inner pipe respectively.

The spiral blade is spirally arranged on the periphery of the annular sleeve, and the spiral blade can synchronously rotate along with the annular sleeve.

As a further scheme of the invention: the pushing mechanism comprises a top plate with the diameter equal to the outer diameter of the outer tube, the top plate is detachably and fixedly installed on the outer tube and away from the end part of the push pipe drill bit, a circular groove with the diameter equal to the outer diameter of the annular sleeve is formed in the inner side of the top plate, a servo motor is arranged on the outer side of the top plate, an output shaft of the servo motor penetrates through the top plate and is fixedly connected with a rotary disc arranged in the circular groove, a plurality of limiting rods are uniformly distributed on the inner side edge of the rotary disc, and a plurality of limiting blind holes matched with the limiting rods are formed in the end face of the annular sleeve, which is far away from the push pipe drill bit.

As a further scheme of the invention: the pushing mechanism further comprises a sleeper plate fixedly arranged in the working well, a support is fixedly arranged on the side face of the sleeper plate, a plurality of hydraulic cylinders in the horizontal direction are uniformly distributed in the support, a telescopic rod in the horizontal direction is further arranged in the support, and the telescopic end of the telescopic rod is fixedly connected with the servo motor.

As a further scheme of the invention: still be provided with inlet pipe and discharging pipe on the roof, the inlet pipe with the discharging pipe all with the inside intercommunication of annular storage chamber, the inlet pipe with the discharging pipe is connected with external equipment through the hose respectively.

As a further scheme of the invention: the pipe jacking drill bit comprises a shell with the diameter equal to that of the outer tube, a power source is fixedly arranged in the shell, an inner rotary head is arranged at the end part of the power source, a plurality of crushing cutters are uniformly arranged on the periphery of the inner rotary head, the inner rotary head is far away from the end part of the power source and is provided with a pipe jacking drill bit, wherein the end part of the pipe jacking drill bit, which is far away from the shell, can be fixedly connected with the end part of the pipe jacking drill bit, the end part of the pipe jacking drill bit can be fixedly connected with the end part of the inner tube, and mud slag crushed by the pipe jacking drill bit and the crushing cutters is conveyed into the annular storage cavity.

As a further scheme of the invention: the push pipe drill bit also comprises a mesh screen which is detachably and fixedly sleeved on the periphery of the power source.

As a further scheme of the invention: the two ends of the pipe body component are respectively and detachably provided with an annular end cover, the inner diameter of the annular end cover is equal to that of the inner pipe, and the outer diameter of the annular end cover is equal to that of the outer pipe.

The invention has at least the following beneficial effects:

(1) Through setting up push pipe drill bit, body subassembly and pushing mechanism, body subassembly sets up to a plurality of independent pipe fittings, every independent pipe fitting all includes inner tube and outer tube, be formed with annular storage chamber between inner tube and the outer tube, annular storage intracavity is provided with stirring transportation spare, annular storage chamber is used for collecting the mud sediment that push pipe drill bit operation produced, stirring transportation spare is used for stirring and removes the mud sediment in the annular storage chamber, make the mud sediment can fully even fill in annular storage intracavity, fully even fill after the mud sediment in annular storage intracavity solidifies, can form hard reinforcement layer between inner tube and outer tube, make the pipeline subassembly structure that is connected by a plurality of independent pipe fittings more firm, be difficult for taking place the skew along with the change of underground environment, thereby improve the life of pipeline subassembly, moreover, the mud sediment of excavation in the make full use of work, follow-up to the processing cost of earth has been reduced.

(2) Through setting up inlet pipe and discharging pipe on the roof, inlet pipe and discharging pipe all communicate with annular storage chamber inside, and inlet pipe and discharging pipe are connected with external equipment through the hose respectively, and the setting of this kind of structure does not need to lift inlet pipe and discharging pipe off and pass independent pipe fitting when increasing a lesson independent pipe fitting, and inlet pipe and discharging pipe are fixed with the hose length that external equipment is connected, have effectively avoided inlet pipe and discharging pipe winding's problem in the work progress, can improve the efficiency of construction.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the construction structure of the horizontal push bench of the present invention;

FIG. 2 is a schematic view of the overall structure of the horizontal jacking device of the present invention;

FIG. 3 is a schematic view of the construction of the individual tube elements of the present invention;

FIG. 4 is a schematic view of the structure of the agitating conveyor of the present invention;

FIG. 5 is a schematic view of the push bench drill of the present invention;

FIG. 6 is a schematic view of the annular end cap structure of the present invention;

FIG. 7 is a schematic view of the pushing mechanism of the present invention;

FIG. 8 is a schematic left-hand view of the structure of FIG. 7;

fig. 9 is a schematic view of the structure of the stent of the present invention.

In the figure: 1. a tube assembly; 2. a push pipe drill bit; 3. a pushing mechanism; 4. an annular storage chamber; 5. stirring the transportation piece; 6. a hose; 7. an annular end cap; 8. a working well; 9. a receiving well; 11. independent pipe fittings; 111. an inner tube; 112. an outer tube; 21. a housing; 22. a power source; 23. an internal swivel; 24. a mincing knife; 25. pushing a drill bit; 26. a mesh screen; 31. a top plate; 311. a feed pipe; 312. a discharge pipe; 32. a servo motor; 33. a turntable; 34. a limit rod; 35. a pillow plate; 36. a bracket; 37. a hydraulic cylinder; 38. a telescopic rod; 51. an endless track; 52. an annular sleeve; 53. a helical blade; 521. and a limiting blind hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, the invention provides a horizontal top pipe device for underground pipe network installation, which comprises a pipe body assembly 1, wherein a top pipe drill bit 2 is arranged at the head of the pipe body assembly 1, and during construction, the top pipe drill bit 2 is used for excavating and beating soil so as to loose hard objects such as larger and firm soil and stones in the soil to form mud slag with strong fluidity, and a pushing mechanism 3 for driving the pipe body assembly 1 and the top pipe drill bit 2 to move along the axial direction of the pipe body assembly 1 is arranged at the tail part of the pipe body assembly 1; as shown in fig. 2 and 3, the pipe body assembly 1 comprises a plurality of independent pipe fittings 11 which are sequentially arranged, the independent pipe fitting 11 at the head is detachably and fixedly connected with the pipe jacking drill bit 2, the independent pipe fitting 11 at the tail is detachably and fixedly connected with the pushing mechanism 3, the two adjacent independent pipe fittings 11 are detachably and fixedly connected, the pushing mechanism 3 is used for pushing the independent pipe fitting 11 from the working well 8 to the receiving well 9 one by one, and therefore underground pipeline paving without large-area ground excavation is completed.

As shown in fig. 3, each independent pipe fitting 11 comprises an inner pipe 111 and an outer pipe 112, an annular storage cavity 4 is formed between the inner pipe 111 and the outer pipe 112, the annular storage cavity 4 is used for collecting sludge generated by the operation of the pipe jacking drill bit 2, a stirring and transporting member 5 is arranged in the annular storage cavity 4, the pushing mechanism 3 is also used for controlling the starting and stopping of the stirring and transporting member 5, the stirring and transporting member 5 is used for stirring and moving the sludge in the annular storage cavity 4, so that the sludge can be fully and uniformly filled in the annular storage cavity 4, after the sludge fully and uniformly filled in the annular storage cavity 4 is solidified, a hard reinforcing layer can be formed between the inner pipe 111 and the outer pipe 112, so that a pipeline assembly structure formed by connecting a plurality of independent pipe fittings 11 is firmer and is not easy to deviate along with the change of the underground environment, the service life of the pipeline assembly is prolonged, the sludge excavated in the construction process is fully utilized, the subsequent treatment cost of soil is reduced, and the two purposes are achieved.

As shown in fig. 4, the stirring and transporting member 5 includes a plurality of annular tracks 51, an annular sleeve 52 and a helical blade 53, the plurality of annular tracks 51 are respectively sleeved on the outer circumference of the inner tube 111, the annular sleeve 52 is rotatably sleeved on the outer circumference of the plurality of annular tracks 51, two ends of the annular sleeve 52 are respectively rotatably attached to two ends of the inner tube 111, the helical blade 53 is spirally arranged on the outer circumference of the annular sleeve 52, the helical blade 53 can synchronously rotate along with the annular sleeve 52, the annular sleeve 52 can rotate on the annular track 51 around the inner tube 111 under the driving of the pushing mechanism 3, the annular sleeve 52 drives the helical blade 53 to rotate, the helical blade 53 can transport and stir sludge in the annular storage cavity 4, and the sludge is prevented from solidifying, accumulating and blocking the annular storage cavity 4 before the construction is not completed.

As shown in fig. 2 and 7, the pushing mechanism 3 includes a top plate 31 with the diameter equal to the outer diameter of the outer tube 112, the top plate 31 is detachably and fixedly mounted at the end part of the outer tube 112 far away from the push pipe drill bit 2, a circular groove with the diameter equal to the outer diameter of the annular sleeve 52 is formed in the inner side of the top plate 31, a servo motor 32 is arranged on the outer side of the top plate 31, an output shaft of the servo motor 32 penetrates through the top plate 31 and is fixedly connected with a rotary disc 33 arranged in the circular groove, a plurality of limit rods 34 are uniformly distributed on the inner side edge of the rotary disc 33, a plurality of limit blind holes 521 matched with the limit rods 34 are formed in the end surface of the annular sleeve 52 far away from the push pipe drill bit 2, the rotary disc 33 can be driven to rotate by starting the servo motor 32, the rotary disc 33 can be driven to synchronously rotate by the annular sleeve 52, and the annular sleeve 52 drives the helical blades 53 to rotate under the cooperation of the limit rods 34 and the limit blind holes 521.

Further, still be provided with inlet pipe 311 and discharging pipe 312 on the roof 31, inlet pipe 311 and discharging pipe 312 all communicate with annular storage chamber 4 is inside, inlet pipe 311 and discharging pipe 312 are connected with external equipment through hose 6 respectively, inlet pipe 311 can carry water and help the coagulant that the mud sediment solidifies in annular storage chamber 4, carry water when the mud sediment is too hard, carry the coagulant when mud sediment is softer, the discharging pipe 312 can discharge unnecessary mud sediment and moisture out annular storage chamber 4, the setting of this kind of structure, when increasing a section of independent pipe fitting 11, need not to lift inlet pipe 311 and discharging pipe 312 off and pass independent pipe fitting 11, and the hose 6 length that inlet pipe 311 and discharging pipe 312 and external equipment are connected is fixed, effectively avoided the winding problem of inlet pipe 311 and discharging pipe 312 in the work progress, can improve the efficiency of construction.

As shown in fig. 2 and 9, the pushing mechanism 3 further comprises a sleeper 35 fixedly arranged in the working well 8, a bracket 36 is fixedly arranged on the side surface of the sleeper 35, a plurality of hydraulic cylinders 37 in the horizontal direction are uniformly distributed in the bracket 36, a telescopic rod 38 in the horizontal direction is further arranged in the bracket 36, the telescopic end of the telescopic rod 38 is fixedly connected with the servo motor 32, during construction, the telescopic rod 38 controls the top plate 31 to move, the top plate 31 and the end part of the independent pipe fitting 11 are mounted and dismounted, after the top plate 31 is mounted, the hydraulic cylinders 37 are started to uniformly prop the edge of the top plate 31, and the top pipe construction can be completed in one section.

As shown in fig. 5, the push pipe drill 2 comprises a shell 21 with the diameter equal to that of the outer pipe 112, a power source 22 is fixedly arranged in the shell 21, an inner rotary head 23 is arranged at the end part of the power source 22, a plurality of stirring cutters 24 are uniformly arranged at the periphery of the inner rotary head 23, a top drill 25 is arranged at the end part of the inner rotary head 23 far away from the power source 22, the end part of the shell 21 far away from the top drill 25 can be fixedly connected with the end part of the outer pipe 112, the end part of the power source 22 far away from the top drill 25 can be fixedly connected with the end part of the inner pipe 111, wherein the drill is used for excavating soil and primarily stirring the soil in the advancing process, the primarily stirring soil enters the shell 21, the stirring cutters 24 on the inner rotary head 23 secondarily stir the soil entering the shell, and finally, the push pipe drill 2 sends the sludge crushed by the top drill 25 and the stirring cutters 24 into the annular storage cavity 4.

Further, the push pipe drill 2 further comprises a mesh screen 26 which is detachably and fixedly sleeved on the periphery of the power source 22, and mud residue reaching the requirement after secondary crushing can pass through the mesh screen 26 and enter the annular storage cavity 4, so that the annular storage cavity 4 is prevented from being blocked due to the fact that the mud residue with overlarge particle size enters the annular storage cavity 4, and the mesh screen 26 is detachably sleeved on the periphery of the power source 22 and can be regularly maintained and cleaned.

It will be appreciated that, as shown in fig. 6, two ends of the pipe body assembly 1 are respectively and detachably provided with an annular end cover 7, the inner diameter of the annular end cover 7 is equal to the inner diameter of the inner pipe 111, and the outer diameter of the annular end cover 7 is equal to the outer diameter of the outer pipe 112, because after the pipe body assembly 1 is paved, the pipe jacking drill 2 and the pushing mechanism 3 are required to be dismantled, and after the pipe jacking drill 2 and the pushing mechanism 3 are dismantled, the annular end covers 7 are respectively covered on two ends of the paved pipe body assembly 1.

In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention.

In addition, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "coupled," and the like should be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The foregoing detailed description of the preferred embodiments of the invention should not be taken as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (8)

1. Horizontal top pipe device is used in underground pipe network installation, including body subassembly (1), body subassembly (1) head setting push pipe drill bit (2), body subassembly (1) afterbody is provided with pushing mechanism (3) that drive body subassembly (1) and push pipe drill bit (2) moved along self axis direction, its characterized in that:

the pipe body assembly (1) comprises a plurality of independent pipe fittings (11) which are sequentially arranged, each independent pipe fitting (11) comprises an inner pipe (111) and an outer pipe (112), an annular storage cavity (4) is formed between the inner pipe (111) and the outer pipe (112), the annular storage cavities (4) are used for collecting sludge generated by the operation of the push pipe drill bit (2), stirring and transporting pieces (5) are arranged in the annular storage cavities (4), and the stirring and transporting pieces (5) are used for stirring and moving the sludge in the annular storage cavities (4);

wherein the pushing mechanism (3) is also used for controlling the start and stop of the stirring transportation piece (5).

2. The horizontal roof pipe device for installing an underground pipe network according to claim 1, wherein the stirring transport member (5) comprises:

a plurality of annular tracks (51) respectively sleeved on the periphery of the inner tube (111);

the annular sleeves (52) are rotatably sleeved on the peripheries of the annular rails (51), and two ends of each annular sleeve (52) are rotatably attached to two ends of the inner tube (111);

the spiral blades (53) are spirally arranged on the periphery of the annular sleeve (52), and the spiral blades (53) can synchronously rotate along with the annular sleeve (52).

3. The horizontal top pipe device for underground pipe network installation according to claim 2, wherein the pushing mechanism (3) comprises a top plate (31) with the diameter equal to the outer diameter of the outer pipe (112), the top plate (31) is detachably and fixedly installed at the end part of the outer pipe (112) far away from the top pipe drill bit (2), a circular groove with the diameter equal to the outer diameter of the annular sleeve (52) is formed in the inner side of the top plate (31), a servo motor (32) is arranged on the outer side of the top plate (31), an output shaft of the servo motor (32) penetrates through the top plate (31) and is fixedly connected with a rotary table (33) arranged in the circular groove, a plurality of limiting rods (34) are uniformly distributed at the inner side edge of the rotary table (33), and a plurality of limiting blind holes (521) matched with the limiting rods (34) are formed in the end surface of the annular sleeve (52) far away from the top pipe drill bit (2).

4. The horizontal top pipe device for underground pipe network installation according to claim 3, wherein the pushing mechanism (3) further comprises a sleeper plate (35) fixedly arranged in the working well (8), a support (36) is fixedly arranged on the side face of the sleeper plate (35), a plurality of hydraulic cylinders (37) in the horizontal direction are uniformly distributed in the support (36), a telescopic rod (38) in the horizontal direction is further arranged in the support (36), and the telescopic end of the telescopic rod (38) is fixedly connected with the servo motor (32).

5. The horizontal top pipe device for underground pipe network installation according to claim 4, wherein the top plate (31) is further provided with a feeding pipe (311) and a discharging pipe (312), the feeding pipe (311) and the discharging pipe (312) are both communicated with the inside of the annular storage cavity (4), and the feeding pipe (311) and the discharging pipe (312) are connected with external equipment through hoses (6) respectively.

6. The horizontal top pipe device for underground pipe network installation according to claim 1, wherein the top pipe drill (2) comprises a shell (21) with the diameter equal to that of the outer pipe (112), a power source (22) is fixedly arranged in the shell (21), an inner rotary head (23) is arranged at the end of the power source (22), a plurality of stirring blades (24) are uniformly arranged on the periphery of the inner rotary head (23), a top drill (25) is arranged at the end, far away from the power source (22), of the inner rotary head (23), the end, far away from the top drill (25), of the shell (21) can be fixedly connected with the end of the outer pipe (112), the end, far away from the top drill (25), of the power source (22) can be fixedly connected with the end of the inner pipe (111), and sludge crushed by the top drill (25) and the stirring blades (24) is fed into the annular storage cavity (4).

7. The horizontal top pipe device for installing an underground pipe network according to claim 6, wherein the top pipe drill (2) further comprises a mesh screen (26) detachably and fixedly sleeved on the periphery of the power source (22).

8. The horizontal top pipe device for installing an underground pipe network according to any one of claims 1 to 7, wherein two ends of the pipe body assembly (1) are respectively and detachably provided with an annular end cover (7), the inner diameter of the annular end cover (7) is equal to the inner diameter of the inner pipe (111), and the outer diameter of the annular end cover (7) is equal to the outer diameter of the outer pipe (112).