CN211874498U - Connecting piece and pipe jacking device - Google Patents
Connecting piece and pipe jacking device Download PDFInfo
- Publication number
- CN211874498U CN211874498U CN202020483521.8U CN202020483521U CN211874498U CN 211874498 U CN211874498 U CN 211874498U CN 202020483521 U CN202020483521 U CN 202020483521U CN 211874498 U CN211874498 U CN 211874498U
- Authority
- CN
- China
- Prior art keywords
- connection
- pipe
- side wall
- slurry
- connecting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model relates to a civil engineering technical field especially relates to a connecting piece and pipe jacking device. The connecting piece is used for connecting a guide drill rod and a soil discharging steel pipe and comprises a body, wherein the body is provided with an inner cavity and a slurry inlet and a slurry outlet which are communicated with the inner cavity, and the slurry inlet is used for injecting lubricating slurry into the inner cavity. The pipe jacking device comprises the connecting piece. The utility model provides a connecting piece and pipe jacking device to alleviate the pipe jacking device that exists among the prior art and easily appear pushing into the difficulty or can't go forward technical problem at the operation in-process.
Description
Technical Field
The utility model belongs to the technical field of equipment technique for civil engineering and specifically relates to a connecting piece and pipe jacking device are related to.
Background
The pipe-jacking method is a common underground excavation construction method for building small municipal tunnels (pipes) in urban areas, and is a pipeline burying construction technology with no excavation or less excavation. The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by the pipe jacking device in a working pit, the pipeline is jacked into the soil, the earthwork is transported away, and after one pipe section is jacked into the soil layer, the second pipe section is arranged to continue jacking.
The spiral pipe jacking machine is one of pipe jacking devices and comprises a guide drill rod, a soil discharging steel pipe connected to the guide drill rod and a spiral rod arranged in the soil discharging steel pipe. The direction drilling rod plays the guide effect, and after the direction was accomplished, the steel pipe that arranges soil was pushed into along the direction drilling rod through the extruded mode, and in the dregs was crowded into the steel pipe that arranges soil, exports the dregs through the hob simultaneously, until accomplishing whole pipe laying work.
However, in the prior art, the jacking device is easy to have jacking difficulty or cannot advance in the operation process.
Therefore, the present application provides a new connector and a pipe jacking device for solving the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connecting piece to alleviate the technical problem that the pipe jacking device that exists among the prior art easily appears the jacking difficulty or can't advance at the operation in-process.
An object of the utility model is to provide a pipe jacking device to further alleviate the pipe jacking device that exists among the prior art and easily appear pushing into the difficulty or the technical problem that can't go forward at the operation in-process.
Based on above-mentioned first purpose, the utility model provides a connecting piece for connect direction drilling rod and dumping steel pipe, this connecting piece includes the body, the body seted up the inner chamber and all with the grout inlet and the grout outlet of inner chamber intercommunication, just advance the grout inlet be used for to lubricating mud is poured into to the inner chamber.
Further, in the present invention, the body includes a first connecting portion for connecting a guiding drill rod, a second connecting portion for connecting a discharging steel pipe, and a guiding portion disposed between the first connecting portion and the second connecting portion;
the inner cavity, the pulp inlet and the pulp outlet are all arranged on the guide part.
Further, the utility model discloses in, first connecting portion are provided with and are used for dismantling the first connection structure who connects the direction drilling rod, and/or, second connecting portion are provided with and are used for dismantling the second connection structure who connects the steel pipe that arranges soil.
Further, in the present invention, the first connection structure includes a first internal thread provided on the first connection portion and matching with the external thread of the guiding drill rod, and/or the first connection structure includes a connection hole provided on the first connection portion;
the second connecting structure comprises a second internal thread which is arranged on the second connecting part and matched with the external thread of the soil discharging steel pipe.
Further, in the present invention, the guiding portion includes a side wall and a cover plate, the first connecting portion and the second connecting portion are respectively disposed at two ends of the side wall, and the cover plate is connected to the side wall and forms the inner cavity with the side wall;
the slurry inlet is arranged on the cover plate, and the slurry outlet is arranged on the side wall.
Further, the utility model discloses in, the lateral wall is the frustum body, just first connecting portion set up in the less terminal surface of frustum body, second connecting portion set up in the great terminal surface of frustum body.
Further, the utility model discloses in, it is provided with a plurality ofly, and a plurality of to go out the thick liquid mouth and follow the circumference interval of lateral wall sets up.
Further, the utility model discloses in, it is a plurality of go out the thick liquid mouth and follow the circumference of lateral wall evenly sets up.
Further, the utility model discloses in, be provided with on the apron with advance the joint of thick liquid mouth intercommunication, the joint is used for connecting into thick liquid pipe.
Adopt above-mentioned technical scheme, the utility model discloses a connecting piece has following beneficial effect:
when the pipe jacking device is assembled, the guide drill rod is connected with the soil discharging steel pipe through the connecting piece, so that lubricating slurry can be injected into the inner cavity from the slurry inlet during operation of the pipe jacking device, the lubricating slurry can be discharged through the slurry outlet, the lubricating slurry can be injected into a soil body, the friction force between the soil body and the pipe jacking device is reduced by lubricating the soil body, the pipe jacking device can be jacked conveniently, and the technical problem that jacking difficulty or incapability of advancing of the pipe jacking device in the prior art is easily caused in the operation process is solved.
In addition, the lubricating slurry with certain viscosity is injected into the soil body, so that the loose soil body can be supported, and the soil body is prevented from collapsing to a certain extent.
Based on above-mentioned second purpose, the utility model provides a pipe jacking device, this pipe jacking device reach including direction drilling rod, dumping steel pipe the connecting piece, the direction drilling rod with the dumping steel pipe passes through the connecting piece is connected.
Adopt above-mentioned technical scheme, the utility model discloses a pipe jacking device has following beneficial effect:
by arranging the connecting piece in the pipe jacking device, correspondingly, the pipe jacking device has all the advantages of the connecting piece, and the detailed description is omitted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a connecting member according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a connecting member according to an embodiment of the present invention.
Reference numerals:
1-a first connection; 11-a first internal thread; 12-a connection hole;
2-a second connecting portion; 21-a second internal thread;
3-a guide; 31-a side wall; 32-a cover plate; 33-a pulp inlet; 34-a pulp outlet;
4-a linker.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The spiral pipe jacking machine is one of pipe jacking devices, and comprises a guide drill rod, a soil discharging steel pipe connected with the guide drill rod, and a spiral rod arranged in the soil discharging steel pipe. The direction drilling rod plays the guide effect, and after the direction was accomplished, the steel pipe that arranges soil was pushed into along the direction drilling rod through the extruded mode, and in the dregs was crowded into the steel pipe that arranges soil, exports the dregs through the hob simultaneously, until accomplishing whole pipe laying work.
Referring to fig. 1 and 2, the present embodiment provides a connector for connecting a guide drill rod (not shown) and a soil discharging steel pipe (not shown), wherein the connector includes a body, the body is provided with an inner cavity, and a slurry inlet 33 and a slurry outlet 34 both communicated with the inner cavity, and the slurry inlet 33 is used for injecting lubricating slurry into the inner cavity.
Due to the arrangement, when the pipe jacking device is assembled, the guide drill rod is connected with the soil discharging steel pipe through the connecting piece, so that lubricating slurry can be injected into the inner cavity from the slurry inlet 33 during operation of the pipe jacking device, the lubricating slurry can be discharged through the slurry outlet 34, the lubricating slurry can be injected into a soil body, the friction force between the soil body and the pipe jacking device is reduced, the jacking of the pipe jacking device is facilitated, and the technical problem that the pipe jacking device in the prior art is difficult to jack or cannot advance easily in the operation process is solved.
In addition, the lubricating slurry with certain viscosity is injected into the soil body, so that the loose soil body can be supported, and the soil body is prevented from collapsing to a certain extent.
Preferably, referring to fig. 1 and 2, in the present embodiment, the body includes a first connecting portion 1 for connecting the guide drill rod, a second connecting portion 2 for connecting the steel pipe for discharging soil, and a guiding portion 3 disposed between the first connecting portion 1 and the second connecting portion 2; wherein, the inner cavity, the pulp inlet 33 and the pulp outlet 34 are all arranged on the guide part 3.
With this arrangement, when the pipe jacking device is assembled, the guide drill rod is connected to the first connection part 1, and the soil discharging steel pipe is connected to the second connection part 2.
Alternatively, the first connecting portion 1, the guiding portion 3 and the second connecting portion 2 are integrally formed, or three are connected. Preferably, the first connecting portion 1, the guiding portion 3 and the second connecting portion 2 are connected, for example, the first connecting portion 1, the guiding portion 3 and the second connecting portion 2 are connected by welding, bonding, snapping, fastening or screwing.
Optionally, the guiding drill rod is detachably or fixedly connected with the first connecting part 1; the soil discharging steel pipe is detachably connected or fixedly connected with the second connecting part 2.
Preferably, the guide drill rod is detachably connected with the first connection part 1, and the soil discharging steel pipe is detachably connected with the second connection part 2.
Optionally, the guide drill rod and the first connecting portion 1 are detachably connected through clamping, fastening or threaded connection, and the soil discharging steel pipe and the second connecting portion 2 are detachably connected through clamping, fastening or threaded connection.
Wherein, optionally, the first connecting part 1 is provided with a first connecting structure for detachably connecting the guide drill rod, or the second connecting part 2 is provided with a second connecting structure for detachably connecting the dumping steel pipe.
Preferably, in the present embodiment, the first connection part 1 is provided with a first connection structure for detachably connecting the guide drill rod, and the second connection part 2 is provided with a second connection structure for detachably connecting the steel pipe.
Such setting to be convenient for the direction drilling rod to dismantle with first connecting portion 1, and be convenient for the steel pipe that arranges soil is dismantled with second connecting portion 2, thereby be convenient for change the connecting piece, with the direction drilling rod or the steel pipe that advances of adaptation different specifications.
Preferably, referring to fig. 1 and 2, in the present embodiment, the second connecting structure includes a second internal thread 21 that is opened in the second connecting portion 2 and matches with the external thread of the steel pipe for discharging soil.
Due to the arrangement, the soil discharging steel pipe can be directly screwed in the second connecting structure, and when the soil discharging steel pipe is required to be detached, the soil discharging steel pipe is only required to be screwed down. In conclusion, the soil discharging steel pipe is connected with the second connecting structure in a threaded connection mode, so that the soil discharging steel pipe is convenient to disassemble.
Optionally, the first connection structure includes a first internal thread 11 opened in the first connection portion 1 and matching with an external thread of the guiding drill rod, or the first connection structure includes a connection hole 12 opened in the first connection portion 1.
Preferably, the first connection structure includes a first internal thread 11 opened at the first connection portion 1 and matching with an external thread of the guide drill rod, and the first connection structure further includes a connection hole 12 opened at the first connection portion 1.
According to the arrangement, the guide drill rod can be directly screwed in the first connecting structure and is screwed in the threaded hole in the guide drill rod after penetrating through the connecting hole 12 through the threaded connecting piece, so that the guide drill rod and the first connecting structure are doubly fixed, and the firmness and the stability of the guide drill rod fixed on the connecting piece are improved.
Preferably, referring to fig. 1, in the present embodiment, the guiding portion 3 includes a side wall 31 and a cover plate 32, the first connecting portion 1 and the second connecting portion 2 are respectively disposed at two ends of the side wall 31, and the cover plate 32 is connected to the side wall 31 and forms an inner cavity with the side wall 31; the slurry inlet 33 is provided in the cover plate 32, and the slurry outlet 34 is provided in the side wall 31.
Alternatively, the side wall 31 may be removably or fixedly attached to the cover plate 32. The side wall 31 and the cover plate 32 are detachably connected, for example, the side wall 31 and the cover plate 32 are connected by clamping, buckling or threaded connection; the side wall 31 is fixedly connected to the cover plate 32, for example, the side wall 31 is connected to the cover plate 32 by bonding or welding.
Preferably, referring to fig. 1 and fig. 2, in the present embodiment, the sidewall 31 is a frustum with an inner cavity, the first connecting portion 1 is disposed on a smaller end surface of the frustum, and the second connecting portion 2 is disposed on a larger end surface of the frustum.
With the arrangement, in the jacking process of the pipe jacking device, the smaller end face of the frustum body is firstly contacted with the soil body, and the side wall 31 can provide a guiding function for jacking of the pipe jacking device, so that the second connecting part 2 connected to the larger end face of the frustum body and the drawing steel pipe can be jacked conveniently.
Preferably, referring to fig. 1 and fig. 2, in the present embodiment, a plurality of slurry outlets 34 are provided, and the plurality of slurry outlets 34 are spaced along the circumferential direction of the side wall 31.
Alternatively, two, three, four, five, six, or the like may be provided along the circumferential outlet 34 of the sidewall 31, which is determined according to the size of the sidewall 31, and thus is not limited herein.
By the arrangement, the lubricating slurry can be conveniently injected into a plurality of positions in the soil body, the lubricating slurry can be simultaneously injected into the plurality of positions in the soil body, and the lubricating and resistance reducing effects can be simultaneously performed on the plurality of positions contacted by the pipe jacking device, so that the friction force between the soil body and the pipe jacking device is further reduced, and the jacking of the pipe jacking device is facilitated.
Preferably, referring to fig. 1 and fig. 2, in the present embodiment, the plurality of slurry outlets 34 are uniformly arranged along the circumferential direction of the sidewall 31.
The arrangement is convenient for the lubricating mud to be uniformly injected into a plurality of positions in the soil body, so that the friction force between the soil body and the pipe jacking device is further reduced.
Preferably, referring to fig. 1, in the present embodiment, the cover plate 32 is provided with a joint 4 communicated with the slurry inlet 33, and the joint 4 is used for connecting a slurry inlet pipe.
The arrangement is convenient for the slurry inlet pipe to be connected with the cover plate 32, thereby being convenient for the slurry inlet pipe to be communicated with the slurry inlet 33.
Lubricating slurry is injected into the slurry inlet pipe, enters the inner cavity through the joint 4 and the slurry inlet 33, and is discharged to soil from the slurry outlet 34.
Alternatively, the grout pipe and the joint 4 are connected by welding, bonding, clamping, buckling or screwing.
Example two
The second embodiment provides a pipe jacking device, the pipe jacking device comprises the connecting piece of the first embodiment, the technical features of the connecting piece disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the connecting piece disclosed in the first embodiment are not described repeatedly.
The pipe jacking device provided by the embodiment comprises a guide drill rod (not shown in the figure), a soil discharging steel pipe (not shown in the figure) and the connecting piece, wherein the guide drill rod is connected with the soil discharging steel pipe through the connecting piece.
Due to the arrangement, when the pipe jacking device is assembled, the guide drill rod is connected with the soil discharging steel pipe through the connecting piece, so that lubricating slurry can be injected into the inner cavity from the slurry inlet 33 during operation of the pipe jacking device, the lubricating slurry can be discharged through the slurry outlet 34, the lubricating slurry can be injected into a soil body, the friction force between the soil body and the pipe jacking device is reduced, the jacking of the pipe jacking device is facilitated, and the technical problem that the pipe jacking device in the prior art is difficult to jack or cannot advance easily in the operation process is solved.
In addition, the lubricating slurry with certain viscosity is injected into the soil body, so that the loose soil body can be supported, and the soil body is prevented from collapsing to a certain extent.
Preferably, the pipe jacking device is a spiral pipe jacking machine, and the spiral pipe jacking machine further comprises a spiral rod arranged in the soil discharging steel pipe.
The push bench of the present embodiment has the advantages of the first embodiment, which have been described in detail in the first embodiment, and will not be repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Claims (10)
1. The connecting piece is used for connecting a guide drill rod and a soil discharging steel pipe and is characterized by comprising a body, wherein an inner cavity and a slurry inlet (33) and a slurry outlet (34) which are communicated with the inner cavity are formed in the body, and lubricating slurry is injected into the inner cavity through the slurry inlet (33).
2. A connection piece according to claim 1, wherein the body comprises a first connection part (1) for connecting a pilot drill rod, a second connection part (2) for connecting a steel dump tube, and a pilot part (3) arranged between the first connection part (1) and the second connection part (2);
the inner cavity, the pulp inlet (33) and the pulp outlet (34) are all arranged on the guide part (3).
3. A connection piece according to claim 2, wherein the first connection part (1) is provided with a first connection structure for detachable connection of a guide drill rod and/or the second connection part (2) is provided with a second connection structure for detachable connection of a steel tube for soil removal.
4. A connection piece according to claim 3, characterized in that the first connection structure comprises a first internal thread (11) opening into the first connection part (1) and matching with an external thread of the guide drill rod, and/or that the first connection structure comprises a connection hole (12) opening into the first connection part (1);
the second connecting structure comprises a second internal thread (21) which is arranged on the second connecting part (2) and matched with the external thread of the soil discharging steel pipe.
5. The connecting element according to claim 2, wherein the guide portion (3) comprises a side wall (31) and a cover plate (32), the first connecting portion (1) and the second connecting portion (2) are respectively arranged at two ends of the side wall (31), and the cover plate (32) is connected to the side wall (31) and forms the inner cavity with the side wall (31);
the slurry inlet (33) is arranged on the cover plate (32), and the slurry outlet (34) is arranged on the side wall (31).
6. A connection piece according to claim 5, characterized in that the side wall (31) is frustum-shaped, the first connection part (1) being arranged at the smaller end face of the frustum-shaped body and the second connection part (2) being arranged at the larger end face of the frustum-shaped body.
7. The connecting piece according to claim 6, wherein the grout outlet (34) is provided in plurality, and the plurality of grout outlets (34) are provided at intervals along the circumferential direction of the side wall (31).
8. The connection according to claim 7, characterized in that a plurality of said outlets (34) are uniformly arranged along the circumference of said side wall (31).
9. The connecting piece according to claim 5, characterized in that the cover plate (32) is provided with a joint (4) which is communicated with the slurry inlet (33), and the joint (4) is used for connecting a slurry inlet pipe.
10. A pipe jacking device, which is characterized by comprising a guide drill pipe, a soil discharging steel pipe and the connecting piece of any one of claims 1 to 9, wherein the guide drill pipe is connected with the soil discharging steel pipe through the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483521.8U CN211874498U (en) | 2020-04-03 | 2020-04-03 | Connecting piece and pipe jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483521.8U CN211874498U (en) | 2020-04-03 | 2020-04-03 | Connecting piece and pipe jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874498U true CN211874498U (en) | 2020-11-06 |
Family
ID=73250958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020483521.8U Expired - Fee Related CN211874498U (en) | 2020-04-03 | 2020-04-03 | Connecting piece and pipe jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211874498U (en) |
-
2020
- 2020-04-03 CN CN202020483521.8U patent/CN211874498U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102535519A (en) | I-shaped steel joint structure for underground continuous wall and construction method for I-shaped steel joint structure | |
| CN102877467A (en) | Casing body connection device for bored pile | |
| CN105257908B (en) | A kind of pushing tow drilling construction device and method of underground piping | |
| CN103726497B (en) | Upper pipe working well reinforcing device | |
| CN100489361C (en) | Method for reducing prop force with ring-shape mud sheath in pipe-jacking construction | |
| CN105926624A (en) | Non-return type collecting hole grouting device and construction method thereof | |
| CN106838463B (en) | The fastener inserts and usage of longitudinal overall stiffness after raising rectangular top plumber | |
| CN210031786U (en) | Large-diameter rock drilling and filling device | |
| CN211874498U (en) | Connecting piece and pipe jacking device | |
| CN202577363U (en) | H-shaped steel joint structure of underground diaphragm wall | |
| CN111322075B (en) | Backfill slip casting system behind wall for shaft boring machine | |
| CN201554047U (en) | Grouting pipe used for repairing defects of underground building curtain by grouting method | |
| CN201730093U (en) | Pore forming device of multisection double protection casing cylindrical piles | |
| CN209855798U (en) | Pipe jacking structure | |
| CN109707337B (en) | Self-traveling slurry stopping device of assembled grouting guide pipe | |
| CN207194452U (en) | Underground chamber outer wall wall pipeline hole waterproof embedding pipe fittingses device | |
| CN109339031A (en) | A kind of buried concrete continuous wall connector percolator | |
| CN205558912U (en) | Shield constructs machine and shield constructs quick -witted synchronous slip casting pipe | |
| CN201649082U (en) | Device for preventing sand gushing at construction porthole of anchor wire drilling hole | |
| CN210857202U (en) | Broken pile and pile connecting structure of cast-in-situ bored pile | |
| JP2008038593A (en) | Bore-increasing excavation method and bore-increasing excavation system | |
| CN210421332U (en) | But quick replacement's pre-buried drain pipe structure | |
| CN204531004U (en) | The underpinning device of ultra-wide body of wall | |
| CN204424850U (en) | Cable laying RC pipejacking | |
| CN103850260B (en) | A kind of stake well integration dewatering well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |