CN204213469U - A kind of pipe jacking equipment - Google Patents
A kind of pipe jacking equipment Download PDFInfo
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- CN204213469U CN204213469U CN201420643579.9U CN201420643579U CN204213469U CN 204213469 U CN204213469 U CN 204213469U CN 201420643579 U CN201420643579 U CN 201420643579U CN 204213469 U CN204213469 U CN 204213469U
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- pipe
- jack
- push bit
- jacking equipment
- slide rail
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Abstract
The utility model provides a kind of pipe jacking equipment, belongs to jacking construction equipment technical field.It solve the technical problems such as existing jacking construction efficiency is low.This pipe jacking equipment comprises jack, jack stand, slide rail and pipe push bit, jack is arranged on jack stand, pipe push bit is arranged on slide rail, the flexible rod of jack is towards pipe push bit, annular backrest is provided with between jack and pipe push bit, annular backrest abuts in the end of pipe push bit, and pipe jacking equipment also comprises some semicircle top boards that can extend jack stroke; Pipe push bit front end is connected with intake pipe and sludge out pipe, is also provided with crane gear above slide rail.Pipe jacking equipment in the utility model is in the process of jacking, and intake pipe can to the water filling of pipe push bit front end, and the earth of excavation is become mud by current, and is ejected by sludge out pipe, saves manpower, improves unearthed efficiency.
Description
Technical field
The utility model belongs to building engineering equipment technical field, relates to a kind of pipe jacking equipment.
Background technique
Jacking construction is a kind of non-excavating construction method, can not excavate or excavate less and realize piping laying, it passes through the top power by means of jacking device generation in working pit, overcomes the frictional force of pipeline and surrounding soil, pipeline is headed in soil by the gradient designed and direction, and the earthwork is transported.After one pipe joint completes and heads into soil layer, more lower second section pipe continues jacking, and its principle is by means of main top oil cylinder and the thrust such as pipeline enclosure, relay well, tool pipe or development machine is advanced to through soil layer in working pit always and receives in hole.Through development for many years, pipe-jacking technology has obtained practical engineering application in large quantities, and remains growth at a high speed, technically, pipe jacking equipment or construction process has all been made significant headway; Push bench pipe mill device is the visual plant of jacking construction, comprises hydraulic jack, hydraulic power unit, dunnage, push rod and pull head etc., uses pipe jacking equipment to carry out jacking construction and greatly can save manpower.
China's patent (notification number: CN 2447597Y, the day for announcing: September 12 calendar year 2001) disclose a kind of eccentric slurry pipe-jacking machine, in push-bench front case, eccentric cutterhead is set, eccentric cutterhead is fixed on blade row by cutter head, blade row is spoke-likely be welded in eccentric conical dish top, there is funnel-like Tu Cang front case front end, there is muddy water storehouse rear end, between Tu Cang and muddy water storehouse, screen is set, connect cutterhead before main shaft, rear auspicious connection reducer, correction oil cylinder four is installed between front and rear housings, the sharp waste pipe of water inlet is established in bottom, muddy water storehouse, and blade row establishes 2-4 to arrange each one of blade row.
The eccentric slurry pipe-jacking machine that above-mentioned patent provides arranges screen can affect the speed that earth enters muddy water storehouse, thus affects whole push pipe work efficiency of construction.
Summary of the invention
For the problems referred to above that existing technology exists, the utility model provides a kind of pipe jacking equipment, and technical problem to be solved in the utility model is: how to improve jacking construction efficiency.
The utility model realizes by following technical proposal:
A kind of pipe jacking equipment, described pipe jacking equipment comprises jack, jack stand, slide rail and pipe push bit, it is characterized in that, described jack is arranged on jack stand, described pipe push bit is arranged on slide rail, and the flexible rod of jack, towards pipe push bit, is provided with annular backrest between jack and pipe push bit, described annular backrest abuts in the end of described pipe push bit, and described pipe jacking equipment also comprises some semicircle top boards that can extend jack stroke; Described pipe push bit front end is connected with intake pipe and sludge out pipe, is also provided with crane gear above described slide rail.
This pipe jacking equipment is used for non-excavating construction buried pipeline, and be placed in active well by crane gear by slide rail and jack stand, be placed on by jack on jack stand, be placed on by pipe push bit on slide rail, the flexible rod of jack is towards pipe push bit; By means of jack, pipe push bit is headed in soil by the gradient designed and direction in active well, annular backrest is provided with between jack and pipe push bit, stressed uniform balance can be ensured, jacking is continued by constantly placing semicircle top board, when the spacing of the flexible rod of annular backrest and jack is more than or equal to the length of a pipeline, take out annular backrest and semicircle top board, between pipe push bit and the flexible rod of jack, place pipeline, between pipeline and jack, then place annular backrest and semicircle top board and continue jacking; By placing pipeline, until active well and received well have buried pipeline underground by predetermined length, and by head top to received well, then head being taken out from received well, thus completing push pipe work.In the process of jacking, intake pipe can to the water filling of pipe push bit front end, and the earth of excavation is become mud by current, and is ejected by sludge out pipe, saves manpower, improves unearthed efficiency.
In above-mentioned pipe jacking equipment, described jack is hydraulic jack.Hydraulic jack compact structure, stable working.
In above-mentioned pipe jacking equipment, described slide rail is laid and smooth surface along jack circumference, and the outer surface of described annular backrest and semicircle top board is smooth surface.Due to self gravitation, annular backrest and semicircle top board are seated on slide rail in the incipient stage, and slide rail can play certain position-limiting action, ensure the accuracy of jack jacking; Annular backrest and semicircle top board and slide rail surface of contact all smooth, frictional force is little.Reduce resistance can raise the efficiency.
In above-mentioned pipe jacking equipment, described pipe push bit front end is installed with main drill lip and some secondary drill lips, described main drill lip is positioned at the end face center of described pipe push bit, and described secondary drill lip is dispersed in main drill lip periphery, and described main drill lip and secondary drill lip can rotate under the drive of motor.Main drill lip not only can tunnel effectively, leading role can also be played, main drill lip head and secondary drill lip cooperatively interact and can accelerate mining clay, the main drill lip of front end and secondary drill lip impact earth, larger or solid earth is beaten loose, and the earth of minor diameter is quickly discharged through by sludge out pipe, intake pipe coordinates with sludge out pipe and plays lubrication, in time earth is become mud to be released by muddy water pipe, so greatly save manpower, improve push pipe efficiency.
In above-mentioned pipe jacking equipment, the grizzly bar that described pipe push bit front end also has some reinforcing bars to be formed, the crisscross formation filter screen of described reinforcing bar, muddy water can enter described sludge out pipe through this filter screen.Pipe push bit front end is by mutual crisscross formation filter net type structure of grid, both great Shi had been avoided to enter pipe push bit, blocking sludge out pipe, ensure that again mud can enter in the cavity of front case fast, this is compared with through-hole structure of the prior art, and the mud through hole that structure of grid is formed is many and intensive, the cutting of larger clod can be changed the earth of small volume, accelerate the transfer efficiency of mud, thus increase work efficiency.
In above-mentioned pipe jacking equipment, the inner diameter of described annular backrest is greater than the outer diameter of annular backrest, boss in annular the inner of backrest and pipe push bit leans, and one end of semicircle top board is resisted against on annular backrest outer end, and the other end of semicircle top board and the flexible rod of jack lean.
Compared with prior art, the utility model has the following advantages:
1, in the process of jacking, intake pipe can to the water filling of pipe push bit front end, and the earth of excavation is become mud by current, and is ejected by sludge out pipe, saves manpower, improves unearthed efficiency.
2, in this pipe jacking equipment, main drill lip can either tunnel effectively, leading role can also be played, main drill lip head and secondary drill lip cooperatively interact and can accelerate mining clay, the main drill lip of front end and secondary drill lip impact earth, larger or solid earth is beaten loose, and the earth of minor diameter is lubricated under flow action, becomes mud and is released by muddy water pipe, improve unearthed efficiency, thus improve push pipe efficiency.
Accompanying drawing explanation
Fig. 1 is this pipe jacking equipment jacking construction structural representation.
Fig. 2 is this pipe jacking equipment perspective view.
Fig. 3 is the perspective view of pipe push bit in this pipe jacking equipment.
In figure, 1, active well; 2, received well; 3, jack stand; 4, jack; 5, slide rail; 6, intake pipe; 7, sludge out pipe; 8, pipe push bit; 9, pipeline; 10, main drill lip; 11, secondary drill lip; 12, semicircle top board; 13, annular backrest; 14, crane gear; 15, grizzly bar.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 to Figure 3, this pipe jacking equipment comprises hydraulic jack 4, jack stand 3, slide rail 5 and pipe push bit 8, jack 4 is arranged on jack stand 3, pipe push bit 8 is arranged on slide rail 5, the flexible rod of jack 4 is towards pipe push bit 8, be provided with annular backrest 13 between jack 4 and pipe push bit 8, annular backrest 13 abuts in the end of pipe push bit 8, and pipe jacking equipment also comprises some semicircle top boards 12 that can extend jack 4 stroke; The inner diameter of annular backrest 13 is greater than the outer diameter of annular backrest 13, boss in annular the inner of backrest 13 and pipe push bit 8 leans, one end of semicircle top board 12 is resisted against on annular backrest 13 outer end, the other end of semicircle top board 12 and the flexible rod of jack 4 lean, pipe push bit 8 front end is connected with intake pipe 6 and sludge out pipe 7, is also provided with Gantry crane above slide rail 5.
This pipe jacking equipment is used for non-excavating construction buried pipeline 9, by Gantry crane, slide rail 5 and jack stand 3 are placed in active well 1, be placed on by jack 4 on jack stand 3, be placed on by pipe push bit 8 on slide rail 5, the flexible rod of jack 4 is towards pipe push bit 8; By means of jack 4, pipe push bit 8 is headed in soil by the gradient designed and direction in active well 1, annular backrest 13 is provided with between jack 4 and pipe push bit 8, stressed uniform balance can be ensured, jacking is continued by constantly placing semicircle top board 12, when the spacing of the flexible rod of annular backrest 13 and jack 4 is more than or equal to the length of a pipeline 9, take out annular backrest 13 and semicircle top board 12
Between pipe push bit 8 and the flexible rod of jack 4, place pipeline 9, between pipeline 9 and jack 4, then place annular backrest 13 and semicircle top board 12 and continue jacking; By placing pipeline 9, until active well 1 and received well 2 have buried pipeline 9 underground by predetermined length, and by head top to received well 2, then head being taken out from received well 2, thus completing push pipe work.In the process of jacking, intake pipe 6 can to pipe push bit 8 front end water filling, and the earth of excavation is become mud by current, and is ejected by sludge out pipe 7, saves manpower, improves unearthed efficiency.
In the present embodiment, slide rail 5 is laid and smooth surface along jack 4 circumference, and the outer surface of annular backrest 13 and semicircle top board 12 is smooth surface, and slide rail 5 can play certain position-limiting action, ensures the accuracy of jack 4 jacking; Annular backrest 13 and semicircle top board 12 all smooth with slide rail 5 surface of contact, frictional force is little, and can reduce resistance can raise the efficiency.
As shown in Figure 3, pipe push bit 8 front end is installed with main drill lip 10 and some secondary drill lips 11, main drill lip 10 is positioned at the end face center of pipe push bit 8, secondary drill lip 11 is dispersed in main drill lip 10 periphery, main drill lip 10 and secondary drill lip 11 can rotate under the drive of motor, the grizzly bar 15 that pipe push bit 8 front end also has some reinforcing bars to be formed, the crisscross formation filter screen of reinforcing bar, muddy water can enter sludge out pipe 7 through this filter screen.Main drill lip 10 not only can tunnel effectively, leading role can also be played, main drill lip 10 and secondary drill lip 11 cooperatively interact and can accelerate mining clay, main drill lip 10 and the secondary drill lip 11 of front end impact earth, larger or solid earth is beaten loose, the earth of minor diameter is quickly discharged through by sludge out pipe 7, intake pipe 6 coordinates with sludge out pipe 7 and plays lubrication, in time earth is become mud to be released by muddy water pipe, so greatly save manpower, pipe push bit 8 front end is by mutual crisscross formation filter net type grizzly bar 15 structure, both great Shi had been avoided to enter pipe push bit 8, blocking sludge out pipe 7, ensure that again mud can enter in the cavity of front case fast, this is compared with through-hole structure of the prior art, the mud through hole that grizzly bar 15 structure is formed is many and intensive, the cutting of larger clod can be changed the earth of small volume, accelerate the transfer efficiency of mud, thus increase work efficiency.
The pipe jacking construction method of above-mentioned pipe jacking equipment is utilized to comprise following operation:
A, well-digging: treating that the two ends, construction ground of buried pipeline 9 excavate an active well 1 and a received well 2 respectively;
B, erection unit: in active well 1, lay slide rail 5 and jack stand 3, jack stand 3 is placed jack 4, slide rail 5 is placed pipe push bit 8, the flexible rod of jack 4 is towards pipe push bit 8;
C, pipe push bit jacking: annular backrest 13 is positioned between the flexible rod of pipe push bit 8 and jack 4, drive jack 4 that its flexible rod is extended, pipe push bit 8 is headed in earth, the flexible rod controlling jack 4 shrinks, constantly semicircle top board 12 is positioned between annular backrest 13 and the flexible rod of jack 4, drive jack 4, continue pipe push bit 8 jacking forward;
D, pipeline jacking: when the spacing of the flexible rod of annular backrest 13 and jack 4 is more than or equal to the length of a pipeline 9, take out annular backrest 13 and semicircle top board 12, between pipe push bit 8 and the flexible rod of jack 4, place pipeline 9, between pipeline 9 and jack 4, place annular backrest 13 and semicircle top board 12 and continue jacking;
E, mud extraction: in pipe push bit 8 jacking and pipeline 9 jack-in process, by intake pipe 6 to the continuous water filling in pipe push bit 8 place, and by sludge out pipe 7, muddy water is extracted out;
F, taking-up head: repeat steps d and e, until active well 1 and received well 2 have buried pipeline 9 underground, and by head top to received well 2, head is taken out from received well 2.
Active well 1 in the present embodiment and the degree of depth of received well 2 are greater than the degree of depth treating buried pipeline 9, the installation of all parts is facilitated to place like this, also constructability, can first by sludge out pipe 7, the muddy water of excavation first be got rid of to this active well 1 simultaneously, got rid of by suction pump or other modes again, owing to not needing disposable to be extracted out by muddy water to be raised to active well 1 upper surface, the object of discharging fast muddy water can be issued in the situation of suction pump power limited like this, promote working efficiency; Adopt 3 semicircle top boards 12 in the present embodiment, the length of each semicircle top board 12 is 1/3rd of pipeline 9 length, also above active well 1, is provided with Gantry crane in the present embodiment, and the transfer of all parts adopts Gantry crane to transfer.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, active well; 2, received well; 3, jack stand; 4, jack; 5, slide rail; 6, intake pipe; 7, sludge out pipe; 8, pipe push bit; 9, pipeline; 10, main drill lip; 11, secondary drill lip; 12, semicircle top board; 13, annular backrest; 14, crane gear; 15, the term such as grizzly bar, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a pipe jacking equipment, described pipe jacking equipment comprises jack (4), jack stand (3), slide rail (5) and pipe push bit (8), it is characterized in that, described jack (4) is arranged on jack stand (3), described pipe push bit (8) is arranged on slide rail (5), the flexible rod of jack (4) is towards pipe push bit (8), annular backrest (13) is provided with between described jack (4) and pipe push bit (8), described annular backrest (13) abuts in the end of described pipe push bit (8), described pipe jacking equipment also comprises some semicircle top boards (12) that can extend jack (4) stroke, described pipe push bit (8) front end is connected with intake pipe (6) and sludge out pipe (7), and described slide rail (5) top is also provided with crane gear (14).
2. a kind of pipe jacking equipment according to claim 1, is characterized in that, described jack (4) is hydraulic jack (4).
3. a kind of pipe jacking equipment according to claim 1 and 2, it is characterized in that, described slide rail (5) is laid and smooth surface along jack (4) circumference, and the outer surface of described annular backrest (13) and semicircle top board (12) is smooth surface.
4. a kind of pipe jacking equipment according to claim 1 and 2, it is characterized in that, described pipe push bit (8) front end is installed with main drill lip (10) and some secondary drill lips (11), described main drill lip (10) is positioned at the end face center of described pipe push bit (8), described secondary drill lip (11) is dispersed in main drill lip (10) periphery, and described main drill lip (10) and secondary drill lip (11) can rotate under the drive of motor.
5. a kind of pipe jacking equipment according to claim 1 and 2, it is characterized in that, the grizzly bar (15) that described pipe push bit (8) front end also has some reinforcing bars to be formed, the crisscross formation filter screen of described reinforcing bar, muddy water can enter described sludge out pipe (7) through this filter screen.
6. a kind of pipe jacking equipment according to claim 1 and 2, it is characterized in that, the inner diameter of described annular backrest (13) is greater than the outer diameter of annular backrest (13), annular backrest (13) the inner and pipe push bit (8) in boss lean, one end of semicircle top board (12) is resisted against on annular backrest (13) outer end, and the other end of semicircle top board (12) and the flexible rod of jack (4) lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643579.9U CN204213469U (en) | 2014-10-30 | 2014-10-30 | A kind of pipe jacking equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643579.9U CN204213469U (en) | 2014-10-30 | 2014-10-30 | A kind of pipe jacking equipment |
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| Publication Number | Publication Date |
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| CN204213469U true CN204213469U (en) | 2015-03-18 |
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| CN201420643579.9U Withdrawn - After Issue CN204213469U (en) | 2014-10-30 | 2014-10-30 | A kind of pipe jacking equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358927A (en) * | 2014-10-30 | 2015-02-18 | 国强建设集团有限公司 | Push pipe construction method and push pipe device |
-
2014
- 2014-10-30 CN CN201420643579.9U patent/CN204213469U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358927A (en) * | 2014-10-30 | 2015-02-18 | 国强建设集团有限公司 | Push pipe construction method and push pipe device |
| CN104358927B (en) * | 2014-10-30 | 2016-05-11 | 国强建设集团有限公司 | A kind of pipe jacking construction method and conduit jacking |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150318 Effective date of abandoning: 20160511 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |