CN103015424A - Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction - Google Patents
Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction Download PDFInfo
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- CN103015424A CN103015424A CN2012105185594A CN201210518559A CN103015424A CN 103015424 A CN103015424 A CN 103015424A CN 2012105185594 A CN2012105185594 A CN 2012105185594A CN 201210518559 A CN201210518559 A CN 201210518559A CN 103015424 A CN103015424 A CN 103015424A
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- jacking
- anchor ear
- hoops
- oil cylinder
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Abstract
The invention relates to a hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction. The jacking and drawing machine comprises jacking oil cylinders, oil cylinder hoops and a base, wherein the side surfaces of the base are provided with the four jacking oil cylinders, the upper parts of the four jacking oil cylinders are fixedly connected with the rigid base, and the upper part of the rigid base is provided with the double-oil cylinder hoops. The jacking and drawing machine has the advantages that the double-oil cylinder clamping type movable hoops are adopted, and the clamping force is increased to generate larger static friction force, so the jacking force for drawing a fore shaft pipe is greatly improved; the jacking force is transferred by the rigid base, and the hoops tightly connected with a steel pipe (fore shaft pipe) via the friction force are jacked, so the integral force on the hoops is uniform, and the possibility of axial deformation of the hoops is greatly reduced; and the hoops are tightly connected with the fore shaft pipe (steel pipe), so the integral force on the hoops is uniform, the axial deformation is little, and the phenomenon that the local part of the pipe wall of the fore shaft pipe is pressed and damaged due to axial warping and deformation of the traditional fixed hoop under the action of the jacking force is changed.
Description
Technical field
The present invention relates to the underground diaphragm wall device of executing of a kind of deep foundation, the split type locking notch pipe of especially a kind of hydraulic pressure for construction of diaphragm wall pulls machine.
Background technology
The concrete continuous wall working system construction of underground infrastructure; need divide the groove section to carry out the grooving operation according to technological requirement; the intersegmental connection of conventional groove divides rigidity and tenderness to connect first two, generally all to use locking notch pipe (at present to super dark or have the groove segment interface of the diaphragm wall of the requirement of special procuring have employing wash the skill in using a kitchen knife in cookery wash cut joint face) end face of box cut section is carried out moulding and protection.
Adopt the continuous wall groove segment of locking notch pipe technique grooving, when treating that concrete reaches the initial set state, just need to begin to pull in order locking notch pipe with the hydraulic pressure machine of pulling, prevent the appearance of the concrete setting locking phenomenon that locking notch pipe is built in the groove section.
With the continuous wall groove segment interface of flexible joint construction technology, tubular locking notch pipe fore shaft commonly used.Now pull and supportingly pull machine (seeing accompanying drawing 1,2) with the hydraulic pressure monolithic.Adopt four hinge formula anchor ears, hold locking with holding oil cylinder 4 tightly tightly with locking notch pipe 5, hydraulic pressure anchor ear 3 is fixing with (four) jacking cylinder 2, holds oil cylinder 4 tightly and is directly installed on the pedestal 1, and oil cylinder top power directly acts on anchor ear and pulls locking notch pipe.Exist anchor ear to be subjected to the friction counter-force effect of oil cylinder top power and locking notch pipe and axially buckling deformation, the frictional force of holding locking notch pipe tightly is reduced and can not in time extract locking notch pipe.Again because the buckling deformation of anchor ear often can cause the local compression of locking notch pipe tube wall to damage.
Therefore how locking notch pipe is held tightly, making hydraulic pressure pull the oil cylinder top power of machine and anchor ear holds the frictional force that locking notch pipe produces tightly and is complementary, overcome concrete initial set and produce the resistance that solidifies to locking notch pipe, thus the technical problem that the locking notch pipe of choosing smoothly is those skilled in the art to need to be resolved hurrily.
Summary of the invention
The present invention will solve the technical problem that anchor ear buckling deformation that locking notch pipe pulls machine causes the local compression of locking notch pipe tube wall to damage, and provide the split type locking notch pipe of a kind of hydraulic pressure for construction of diaphragm wall to pull machine, the radial type anchor ear that this pipe pulls machine can be held locking notch pipe tightly, and axially loaded is indeformable again, holds frictional force that oil cylinder produces and the top power of jacking cylinder tightly and is complementary.
To achieve the above object, the present invention adopts following technical scheme: the split type locking notch pipe of a kind of hydraulic pressure for construction of diaphragm wall pulls machine, comprise jacking cylinder, oil cylinder anchor ear, base, be characterized in: the base side arranges four jacking cylinders, four are fixedly connected with a rigid base above the jacking cylinder, two oil cylinder anchor ears are installed above the rigid base.
Four jacking cylinders are connected with the flanged plate of bolt with the welding of base side, are provided with shear pin between jacking cylinder and the flanged plate.
Two oil cylinder anchor ears comprise that an anchor ear and two hold oil cylinder tightly.
The hydraulic pressure anchor ear is comprised of the first to the 3rd anchor ear ring, and the first anchor ear ring two ends are flexibly connected with the second, three anchor ear ring respectively, and the second anchor ear ring other end is connected with the 3rd anchor ear ring, and two the 3rd anchor ear rings couple together by holding oil cylinder tightly.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) device of the present invention adopts the movable anchor ear of two oil cylinder tight-holding types, produces larger stiction by increasing enclasping force, greatly improves the top lift of promoting locking notch pipe.
(2) device of the present invention adopts the movable anchor ear of two oil cylinder tight-holding types, and the contact area of having widened anchor ear and locking notch pipe has reduced its contact stress to the locking notch pipe unit area, has improved the situation of locking notch pipe steel tube surface deformed damaged.
(3) rigid base of device design of the present invention, the base side arranges four jacking cylinders, is connected with the flanged plate of bolt with the welding of base side, and is provided with shear pin, the direct jacking rigid base of jacking cylinder.
(4) device of the present invention transmits top lift by rigid base, the anchor ear that jacking and steel pipe (locking notch pipe) closely link to each other by frictional force.So that the whole uniform stressed of anchor ear, greatly reduced the possibility of its axial deformation.
(5) device of the present invention, anchor ear closely links to each other with locking notch pipe (steel pipe).The whole uniform stressed of anchor ear, axial deformation is little, the axially buckling deformation owing to being subjected to top power of the fixed anchor ear before having changed, the phenomenon that causes locking notch pipe tube wall local compression to damage.
Description of drawings
Fig. 1 is that existing hydraulic pressure monolithic locking notch pipe pulls the machine structural representation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is structural representation of the present invention;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is two oil cylinder hooping structure schematic diagrames;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the rigid base structural representation;
Fig. 8 is the left view of Fig. 7.
The specific embodiment
The invention will be further described for following structure accompanying drawing and embodiment.
To shown in Figure 8, the split type locking notch pipe of the hydraulic pressure for construction of diaphragm wall of the present invention pulls machine, comprises jacking cylinder 2, oil cylinder anchor ear 3, base 1 etc. such as Fig. 3.
Four jacking cylinder 2 usefulness bolts are connected with the flanged plate 10 of base 1 side welding, are provided with shear pin between jacking cylinder 2 and the flanged plate 10.
Such as Fig. 5, shown in 6, two oil cylinder anchor ears comprise that a hydraulic pressure anchor ear 3 and two hold oil cylinder 4 tightly.
Hydraulic pressure anchor ear 3 is comprised of the first to the 3rd anchor ear ring 7,8,9, and the first anchor ear ring 7 two ends are flexibly connected with the second, three anchor ear ring 8,9 respectively, and the second anchor ear ring 8 other ends are connected with the 3rd anchor ear ring 9, and two the 3rd anchor ear rings 9 couple together by holding oil cylinder 4 tightly.
Such as Fig. 7, shown in 8, rigid base 6 arranged on left and right sides are upper and lower welds respectively a flanged plate 10, and a shearing pin-and-hole 11 is arranged in the middle of the flanged plate 10.
The present invention adopts increases the movable hinged anchor ear scheme that rigid base+two oil cylinders are held tightly, has designed the split type locking notch pipe of hydraulic pressure and has pulled machine.
Change that original locking notch pipe pulls Oil cylinder and anchor ear is fixed, the direct jacking anchor ear mode of locking notch pipe of choosing, be used on the newly-designed rigid base by oil cylinder top masterpiece, anchor ear changes singly holds the movable anchor ear that oil cylinder becomes two oil cylinders to hold tightly tightly, anchor ear is sitting on the rigid base, by four jacking cylinder jacking rigid bases, thereby the anchor ear of locking notch pipe is held in jacking tightly.
Concrete application of the present invention: at first the machine of pulling of the present invention is winched to locking notch pipe 5 tops, it is entangled locking notch pipe 5 be placed on and lead on the wall.Hold oil cylinder tightly and apply enclasping force and give (four hinge formulas) anchor ear ring by shrinking one group of (two) level, the anchor ear ring is held locking notch pipe tightly, and the vertical top pulling device that recycling pulls machine pulls.Pull that four jacking cylinders 2 rise synchronously in the process, vertical jack-up rigid base 6 will be seated in the anchor ear ring jack-up on the rigid base 6 simultaneously, repeatedly pull until finish maximum and pull distance.Then hold oil cylinder 4 releases tightly, unclamp the anchor ear ring, by crane locking notch pipe 5 is hung so that it does not fall, four jacking cylinders 2 of vertical top pulling device shrink, and the anchor ear ring falls after rise with rigid base 6, and the machine of pulling returns to initial position.Said process repeatedly is until the required power of pulling of locking notch pipe is extracted locking notch pipe by crane less than the crane lifting power.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (4)
1. the split type locking notch pipe of hydraulic pressure that is used for construction of diaphragm wall pulls machine, comprise jacking cylinder (2), oil cylinder anchor ear, base (1), it is characterized in that: described base (1) side arranges four jacking cylinders (2), be fixedly connected with a rigid base (6) above four jacking cylinders (2), two oil cylinder anchor ears are installed above the rigid base (6).
2. the split type locking notch pipe of the hydraulic pressure for construction of diaphragm wall according to claim 1 pulls machine, it is characterized in that: described four jacking cylinders (2) are connected with the flanged plate (10) of bolt with the welding of base (1) side, are provided with shear pin between jacking cylinder (2) and the flanged plate (10).
3. the split type locking notch pipe of the hydraulic pressure for construction of diaphragm wall according to claim 1 pulls machine, it is characterized in that: the described pair of oil cylinder anchor ear comprises that a hydraulic pressure anchor ear (3) and two hold oil cylinder (4) tightly.
4. the split type locking notch pipe of the hydraulic pressure for construction of diaphragm wall according to claim 3 pulls machine, it is characterized in that: described hydraulic pressure anchor ear (3) is by the first to the 3rd anchor ear ring (7,8,9) form, the first anchor ear ring (7) two ends are flexibly connected with the second, three anchor ear ring (8,9) respectively, second anchor ear ring (8) other end is connected with the 3rd anchor ear ring (9), and two the 3rd anchor ear rings (9) couple together by holding oil cylinder (4) tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105185594A CN103015424A (en) | 2012-12-06 | 2012-12-06 | Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105185594A CN103015424A (en) | 2012-12-06 | 2012-12-06 | Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103015424A true CN103015424A (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105185594A Pending CN103015424A (en) | 2012-12-06 | 2012-12-06 | Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction |
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| CN (1) | CN103015424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996094A (en) * | 2017-05-18 | 2017-08-01 | 中国水电基础局有限公司 | A kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1103369A (en) * | 1966-12-08 | 1968-02-14 | Edmund Nuttall Sons & Company | Improvements in or relating to pile driving |
| CN2239499Y (en) * | 1995-11-09 | 1996-11-06 | 胜利石油管理局总机械厂 | Multifunctional pipe puller |
| CN2665215Y (en) * | 2003-12-26 | 2004-12-22 | 熊湘哲 | Full-hydraulic friction enclasping and top pressing type adaptor tube extractor |
| CN1944810A (en) * | 2006-10-19 | 2007-04-11 | 张家港市永久桩机工程开发有限公司 | Pressure maintaining device for static pressure pile machine |
| CN101230585A (en) * | 2008-02-21 | 2008-07-30 | 上海交通大学 | Hydraulic cylinder driven heavy steel pile fixture with replaceable friction strip |
| CN101761079A (en) * | 2009-12-28 | 2010-06-30 | 武汉华威建筑桩工机械有限责任公司 | Powerful device for shaking and pulling steel pipe to form hole to cast pile |
| CN101972786A (en) * | 2010-08-17 | 2011-02-16 | 江苏诚德钢管股份有限公司 | Clamping device of steel pipe grip maker |
| CN102261073A (en) * | 2011-06-28 | 2011-11-30 | 扬州斯普森机械制造有限公司 | Pile pulling device |
-
2012
- 2012-12-06 CN CN2012105185594A patent/CN103015424A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1103369A (en) * | 1966-12-08 | 1968-02-14 | Edmund Nuttall Sons & Company | Improvements in or relating to pile driving |
| CN2239499Y (en) * | 1995-11-09 | 1996-11-06 | 胜利石油管理局总机械厂 | Multifunctional pipe puller |
| CN2665215Y (en) * | 2003-12-26 | 2004-12-22 | 熊湘哲 | Full-hydraulic friction enclasping and top pressing type adaptor tube extractor |
| CN1944810A (en) * | 2006-10-19 | 2007-04-11 | 张家港市永久桩机工程开发有限公司 | Pressure maintaining device for static pressure pile machine |
| CN101230585A (en) * | 2008-02-21 | 2008-07-30 | 上海交通大学 | Hydraulic cylinder driven heavy steel pile fixture with replaceable friction strip |
| CN101761079A (en) * | 2009-12-28 | 2010-06-30 | 武汉华威建筑桩工机械有限责任公司 | Powerful device for shaking and pulling steel pipe to form hole to cast pile |
| CN101972786A (en) * | 2010-08-17 | 2011-02-16 | 江苏诚德钢管股份有限公司 | Clamping device of steel pipe grip maker |
| CN102261073A (en) * | 2011-06-28 | 2011-11-30 | 扬州斯普森机械制造有限公司 | Pile pulling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996094A (en) * | 2017-05-18 | 2017-08-01 | 中国水电基础局有限公司 | A kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block |
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Application publication date: 20130403 |