CN102155584A - Middle relay jacking device for jacking pipes - Google Patents

Middle relay jacking device for jacking pipes Download PDF

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Publication number
CN102155584A
CN102155584A CN2011100697089A CN201110069708A CN102155584A CN 102155584 A CN102155584 A CN 102155584A CN 2011100697089 A CN2011100697089 A CN 2011100697089A CN 201110069708 A CN201110069708 A CN 201110069708A CN 102155584 A CN102155584 A CN 102155584A
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CN
China
Prior art keywords
jacking
arc
sleeve
push pipe
relay
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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.)
Pending
Application number
CN2011100697089A
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Chinese (zh)
Inventor
唐兆连
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唐兆连
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Priority to CN2011100697089A priority Critical patent/CN102155584A/en
Publication of CN102155584A publication Critical patent/CN102155584A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a middle relay jacking device for jacking pipes, comprising a sleeve, wherein a support device which can axially slide along the sleeve is arranged in the sleeve; a power device and a rear jacking block are arranged on the support device; the front end of the sleeve is fixedly connected with a front jacking block; the power device is connected with the front jacking block; when used, the middle relay jacking device is placed between adjacent jacking pipes, the front jacking block on the sleeve is connected with the jacking pipe at the front part, the rear jacking block on a sliding sleeve is connected with the jacking pipe at the rear part, the power device is started to push the front jacking block to move forwards, and the front jacking block pushes the jacking pipe at the front thereof to move forwards. A plurality of middle relay jacking devices for jacking pipes can be arranged on the total length of laid pipelines, each middle relay jacking device for jacking pipes only pushes the jacking pipe between the two adjacent middle relay jacking devices for jacking pipes to move forwards, and thus, the segmented jacking of laid pipelines is realized, and the problems of large construction difficulty of longer pipelines and incapability of finishing pipeline laying construction at times are overcome.

Description

Relay jacking machine in the middle of a kind of push pipe
Technical field
The present invention relates to a kind of jacking mechanism of push pipe, relate to the middle relay jacking of a kind of push pipe machine specifically.
Background technique
In the pipe laying engineering, dual mode is generally arranged now: a kind of is open heavy excavation mode, be about to ground excavates by excavator comprehensively, pipe placed down interconnect, again backfill gets final product again, this mode is mainly used in the construction of general concrete drain tile, and it is comparatively simple and convenient to construct; Another kind of mode is when being subjected to concrete environmental limit, for example passing through expressway, railway, building, river, green belt etc., and can not adopt heavy excavation mode tubing, can only adopting the non-excavating underground pipe line method of construction, i.e. jacking construction.
Jacking construction is considered to a kind of modern under ground piping laying method, and increasing underground pipeline engineering adopts this method of construction, and it is few that jacking construction has an earth excavation, mechanization degree height, good engineering quality, advantage such as traffic impact is little.Jacking construction adopts a push pipe jacking machine mostly at present, by this push pipe jacking machine that the pipe laying of being laid is good, in institute's tubing length more in short-term, can finish laying by a push pipe jacking machine, when institute's tubing length is longer, it is bigger to carry out difficulty of construction by a push pipe jacking machine, can not finish the construction of pipe laying sometimes.At geological condition when construct in the place preferably, the frictional force that push pipe is subjected to is less, a push pipe jacking machine can be finished the construction of laying than long pipeline, when constructing in the bad place of geological condition, for example construct in the more location of drift sand, the frictional force that push pipe is subjected in jack-in process is bigger, and the difficulty of carrying out jacking construction by a push pipe jacking machine is bigger, possibly can't finish the construction of pipe laying when tubing is longer.
Summary of the invention
The technical problem to be solved in the present invention is at above problem, and a kind of middle relay jacking of the push pipe machine that can finish longer push pipe pipeline construction under various geological conditions is provided.
For addressing the above problem, the present invention adopts following technological scheme: relay jacking machine in the middle of a kind of push pipe, it is characterized in that: comprise sleeve, being provided with in the described sleeve can be along the support device in axial sliding of sleeve, described support device is provided with power plant and back jacking block, the front end of described sleeve is fixedly connected with preceding jacking block, and described power plant are connected with preceding jacking block.
As a kind of optimized project, described support device comprises that several cross sections are the arc dunnage of circular arc, and several arc dunnages are by being connected to form sliding sleeve cylindraceous.
A kind of concrete optimized project, each arc dunnage are along the axial setting of sleeve, and several arc dunnages are along the circumferential array of sleeve.
A kind of concrete optimized project, the connection plane inclination between the adjacent arc dunnage is provided with.
A kind of concrete optimized project, the quantity of described arc dunnage is four, the length of the external arc of two wherein alternate arc dunnage cross sections is less than the length of interior circular arc, and the length of the external arc of two other arc dunnage cross section is greater than the length of interior circular arc.
A kind of concrete optimized project, the axis of described sliding sleeve and the dead in line of sleeve.
As a kind of optimized project, described power plant are arranged on the inside of sliding sleeve, and the quantity of described power plant is several, and several power plant are along the circumferential array of sliding sleeve.
A kind of concrete optimized project, described power plant are hydraulic jack, and described hydraulic jack is along the axial setting of sliding sleeve, and a wherein end of described hydraulic jack is connected with sliding sleeve, and the other end of described hydraulic jack is connected with preceding jacking block.
As a kind of optimized project, described back jacking block is positioned at the end of sliding sleeve and fixedlys connected with sliding sleeve.
As a kind of optimized project, the internal surface of described sliding sleeve is provided with several circular bearing ribs, and several bearing ribs are along the axially-aligned of sliding sleeve.
The present invention adopts technique scheme, have the following advantages: during use, this device is placed between the adjacent push pipe, preceding jacking block on the sleeve is connected with the push pipe of front portion, back jacking block on the sliding sleeve is connected with the push pipe at rear portion, start power plant, jacking block advanced before power plant promoted, and preceding jacking block promotes its anterior push pipe and advances.The middle relay jacking of a plurality of push pipes machine can be set on the total length of tubing, the push pipe that relay jacking machine only promotes between the adjacent middle relay jacking of two push pipes machine in the middle of each push pipe advances, realized the segmentation jacking of tubing, overcome big than the long pipeline difficulty of construction, sometimes the problem of pipeline laying construction can not be finished, the construction of longer push pipe pipe laying can be under various geological conditions, finished.
Below in conjunction with drawings and Examples the present invention is elaborated.
Description of drawings
Accompanying drawing 1 is the structural representation of the middle relay jacking of a kind of push pipe machine in the embodiment of the invention;
Accompanying drawing 2 is sectional views of accompanying drawing 1.
Among the figure
The 1-sliding sleeve; The 2-sleeve; The 3-dunnage; The 4-hydraulic jack; The 5-piston rod; Jacking block before the 6-; The 7-bolt; Jacking block behind the 8-; 11,12,13,14-arc dunnage.
Embodiment
Embodiment: as shown in Figures 1 and 2, relay jacking machine in the middle of a kind of push pipe, comprise sleeve 2, being provided with in the sleeve 2 can be along the support device in axial sliding of sleeve 2, support device is provided with power plant and back jacking block 8, the front end of sleeve 2 is fixedly connected with preceding jacking block 6, and power plant are connected with preceding jacking block 6.
Sleeve 2 is a cylinder-like structure, and the slightly larger in diameter of sleeve 2 is in the external diameter of push pipe.
Support device comprises arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14, arc dunnage 11, arc dunnage 12, the cross section of arc dunnage 13 and arc dunnage 14 all is circular arc, arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14 are for independently individual, arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14 are by being connected to form sliding sleeve 1 cylindraceous, the dead in line of the axis of sliding sleeve 1 and sleeve 2, be provided with lubricant oil between sliding sleeve 1 and the sleeve 2, be beneficial to reciprocatingly sliding of sliding sleeve 1.
Arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14 are along the axial setting of sleeve 2, and arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14 are along the circumferential array of sleeve 2.
A wherein side of arc dunnage 11 is connected by bolt 7 with a wherein side of arc dunnage 14, the opposite side of arc dunnage 14 is connected by bolt 7 with a wherein side of arc dunnage 12, the opposite side of arc dunnage 12 is connected by bolt 7 with a wherein side of arc dunnage 13, and the opposite side of arc dunnage 13 is connected by bolt 7 with the opposite side of arc dunnage 11.
Arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14 also can be connected by other modes each other, as long as be beneficial to the dismounting of arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14
Connection plane inclination between the adjacent arc dunnage is provided with, the length of the external arc of the cross section of arc dunnage 13 and arc dunnage 14 is less than the length of interior circular arc, and the length of the external arc of the cross section of arc dunnage 11 and arc dunnage 12 is greater than the length of interior circular arc.
Can increase or reduce the quantity of arc dunnage as required.
The quantity of bolt 7 is several, and several bolts 7 are along the axially-aligned of sliding sleeve 1, and the connection plane inclination between the adjacent arc dunnage is provided with, and is beneficial to the dismounting of arc dunnage 11, arc dunnage 12, arc dunnage 13 and arc dunnage 14.
Support device 1 also can be the support device of other structures, as long as can be beneficial to dismounting along the endwisely slipping of sleeve 2, can the supporting motive force device and back jacking block 8 get final product.
Power plant are arranged on the inside of sliding sleeve 1, and the quantity of power plant is six, and six power plant are along the circumferential array of sliding sleeve 1.
Power plant are hydraulic jack 4, and hydraulic jack 4 is along the axial setting of sliding sleeve 1, and a wherein end of hydraulic jack 4 is connected with sliding sleeve 1, and the other end of hydraulic jack 4 is connected with preceding jacking block 6.
Back jacking block 8 is positioned at the end of sliding sleeve 1 and fixedlys connected with sliding sleeve 1, and back jacking block 8 is positioned at the rearward end of sliding sleeve 1, and back jacking block 8 is made up of four parts that are positioned on four arc dunnages.
The internal surface of sliding sleeve 1 is provided with the axially-aligned of 3, six bearing ribs 3 of six circular bearing ribs along sliding sleeve 1.
Being shaped as of bearing rib 3 is circular, and bearing rib 3 is made up of four parts that are positioned on four arc dunnages, and four parts are formed a complete annulus.
Can increase or reduce the quantity of bearing rib 3 as required.
Wherein three hydraulic jacks 4 are positioned on the arc dunnage 11, and other three hydraulic jacks 4 are positioned on the arc dunnage 12, and three hydraulic jacks 4 on the arc dunnage 11 are symmetrical arranged with three hydraulic jacks 4 on the arc dunnage 12.
Hydraulic jack 4 a wherein end is connected with the bearing rib 3 that is positioned at the end, and the other end of hydraulic jack 4 passes each bearing rib 3 successively, and the piston rod 5 of hydraulic jack 4 is connected with jacking block 6.
Working procedure: the direction of advance of push pipe is anterior, and opposite direction is the rear portion.The middle relay jacking of a plurality of push pipes machine is set on the total length of tubing, relay jacking machine in the middle of certain length is placed a push pipe, relay jacking machine in the middle of the push pipe is placed between the adjacent push pipe, jacking block 6 is connected with the push pipe of front portion before making, back jacking block 8 is connected with the push pipe at rear portion, primer fluid compressing cylinder 4, jacking block 6 advanced before hydraulic jack 4 promoted, preceding jacking block 6 promotes its anterior push pipes and advances, preceding jacking block 6 drives the sleeve 2 of fixedlying connected with it when advancing and advances, after hydraulic jack 4 reached range, hydraulic jack 4 stopped; And then the hydraulic jack 4 of the middle relay jacking of the next push pipe machine at startup rear portion, the corresponding push pipe of hydraulic jack 4 promotions of relay jacking machine advances in the middle of the next push pipe at rear portion, the sliding sleeve 1 that makes hydraulic jack 4 reach the middle relay jacking of the push pipe machine of range simultaneously travels forward, and hydraulic jack 4 is resetted; Relay jacking machine is worked successively in the middle of each push pipe at rear portion then, finishes the laying of pipeline.
After pipe laying finishes, at first the bolt 7 of relay jacking machine in the middle of the push pipe of forefront is pulled down, then arc dunnage 13 and arc dunnage 14 are pulled down, again arc dunnage 11 and arc dunnage 12 are pulled down, with the bolt of pulling down 7, arc dunnage 13, arc dunnage 14, arc dunnage 11 and arc dunnage 12 are taken out, then preceding jacking block 6 is pulled down taking-up, by relay jacking machine in the middle of the next push pipe at rear portion the push pipe that it pushed up is travelled forward, the push pipe that the push pipe that relay jacking machine is pushed up in the middle of the next push pipe at rear portion passes sleeve 2 and front portion is tightly connected, and sleeve 2 is sleeved on the outside of push pipe and no longer takes off.
Relay jacking machine only carries out jacking to the push pipe between the relay jacking machine in the middle of two adjacent push pipes in the middle of each push pipe, realized the segmentation jacking of tubing, reduced the quantity of jacking machine jacking push pipe, reduced the jacking difficulty, overcome greatly, can not finish the problem of pipeline laying construction sometimes than the pipeline laying construction difficulty in long pipeline or the relatively poor zone of geological condition.
In the long practice of construction of tubing length, by the middle relay jacking of push pipe machine just is being set every certain-length, the mode of segmentation jacking reduces construction jacking difficulty greatly successively, and construction quality and efficient improve greatly.

Claims (10)

1. relay jacking machine in the middle of the push pipe, it is characterized in that: comprise sleeve (2), being provided with in the described sleeve (2) can be along the support device in axial sliding of sleeve (2), described support device is provided with power plant and back jacking block (8), the front end of described sleeve (2) is fixedly connected with preceding jacking block (6), and described power plant are connected with preceding jacking block (6).
2. relay jacking machine in the middle of a kind of push pipe as claimed in claim 1, it is characterized in that: described support device comprises that several cross sections are the arc dunnage of circular arc, and several arc dunnages are by being connected to form sliding sleeve cylindraceous (1).
3. relay jacking machine in the middle of a kind of push pipe as claimed in claim 2, it is characterized in that: each arc dunnage is along the axial setting of sleeve (2), and several arc dunnages are along the circumferential array of sleeve (2).
4. relay jacking machine in the middle of a kind of push pipe as claimed in claim 2, it is characterized in that: the connection plane inclination between the adjacent arc dunnage is provided with.
5. relay jacking machine in the middle of a kind of push pipe as claimed in claim 4, it is characterized in that: the quantity of described arc dunnage is four, the length of the external arc of two wherein alternate arc dunnage cross sections is less than the length of interior circular arc, and the length of the external arc of two other arc dunnage cross section is greater than the length of interior circular arc.
6. relay jacking machine is characterized in that: the dead in line of the axis of described sliding sleeve (1) and sleeve (2) in the middle of a kind of push pipe as claimed in claim 2.
7. as relay jacking machine in the middle of one of them described a kind of push pipe of claim 2-6, it is characterized in that: described power plant are arranged on the inside of sliding sleeve (1), the quantity of described power plant is several, and several power plant are along the circumferential array of sliding sleeve (1).
8. relay jacking machine in the middle of a kind of push pipe as claimed in claim 7, it is characterized in that: described power plant are hydraulic jack (4), described hydraulic jack (4) is along the axial setting of sliding sleeve (1), a wherein end of described hydraulic jack (4) is connected with sliding sleeve (1), and the other end of described hydraulic jack (4) is connected with preceding jacking block (6).
9. as relay jacking machine in the middle of one of them described a kind of push pipe of claim 2-6, it is characterized in that: described back jacking block (8) is positioned at the end of sliding sleeve (1) and fixedlys connected with sliding sleeve (1).
10. as relay jacking machine in the middle of one of them described a kind of push pipe of claim 2-6, it is characterized in that: the internal surface of described sliding sleeve (1) is provided with several circular bearing ribs (3), and several bearing ribs (3) are along the axially-aligned of sliding sleeve (1).
CN2011100697089A 2011-03-23 2011-03-23 Middle relay jacking device for jacking pipes Pending CN102155584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100697089A CN102155584A (en) 2011-03-23 2011-03-23 Middle relay jacking device for jacking pipes

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Application Number Priority Date Filing Date Title
CN2011100697089A CN102155584A (en) 2011-03-23 2011-03-23 Middle relay jacking device for jacking pipes

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748533A (en) * 2012-06-27 2012-10-24 中铁上海工程局有限公司 Automatic control device and method for head-on earth pressure in mechanical tube jacking construction
CN104676193A (en) * 2013-11-27 2015-06-03 积通管道顾问及工程有限公司 Pipe-jacking device for repairing pipeline by pipe-jacking method
CN111119320A (en) * 2020-03-10 2020-05-08 山东交通学院 Auxiliary device for construction of precast concrete drainage ditch and construction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2510702Y (en) * 2001-11-08 2002-09-11 余彬泉 Inflatable changeable sealing-element relay space
US20020189138A1 (en) * 2001-06-04 2002-12-19 Koichi Yoshimoto Tunnel excavating machine
CN201265702Y (en) * 2008-08-08 2009-07-01 余彬泉 Dismountable steel structure relay chamber
CN201672144U (en) * 2010-03-24 2010-12-15 上海宝冶集团有限公司 Relay power system for double-layer sealing of long-distance pipe-jacking construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020189138A1 (en) * 2001-06-04 2002-12-19 Koichi Yoshimoto Tunnel excavating machine
CN2510702Y (en) * 2001-11-08 2002-09-11 余彬泉 Inflatable changeable sealing-element relay space
CN201265702Y (en) * 2008-08-08 2009-07-01 余彬泉 Dismountable steel structure relay chamber
CN201672144U (en) * 2010-03-24 2010-12-15 上海宝冶集团有限公司 Relay power system for double-layer sealing of long-distance pipe-jacking construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748533A (en) * 2012-06-27 2012-10-24 中铁上海工程局有限公司 Automatic control device and method for head-on earth pressure in mechanical tube jacking construction
CN104676193A (en) * 2013-11-27 2015-06-03 积通管道顾问及工程有限公司 Pipe-jacking device for repairing pipeline by pipe-jacking method
CN111119320A (en) * 2020-03-10 2020-05-08 山东交通学院 Auxiliary device for construction of precast concrete drainage ditch and construction method

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Application publication date: 20110817