CN106996094B - A kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block - Google Patents
A kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block Download PDFInfo
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- CN106996094B CN106996094B CN201710352950.4A CN201710352950A CN106996094B CN 106996094 B CN106996094 B CN 106996094B CN 201710352950 A CN201710352950 A CN 201710352950A CN 106996094 B CN106996094 B CN 106996094B
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- oil cylinder
- circle
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
Abstract
The invention discloses a kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block, belongs to cut-pff wall junction block and pulls out technical field.The drawbench includes chassis, the jacking cylinder on chassis；The holding component being connected with jacking cylinder；The holding circle held component tightly and include holding oil cylinder tightly, adjusting diameter by the holding oil cylinder；The minimum diameter of the holding circle is engaged with the diameter of junction block to be pulled out；The holding circle is the holding block of 4 pieces of circular arc, and head and the tail two are held block tightly and are connected with holding oil cylinder tightly, and remaining is held block tightly and interconnected successively；The number of the jacking cylinder is 4, and the holding block with 4 pieces of circular arc is connected respectively.The present invention adjusts the diameter of holding circle by holding oil cylinder tightly, can repeatedly dock head tube and be unclamped, held tightly, and by the rising of jacking cylinder, the continuous process declined, can fully automatically realize and extract junction block completely.
Description
Technical field
Risen the present invention relates to cut-pff wall junction block and pull out technical field, it is more particularly to a kind of to be used to extract cut-pff wall junction block
Full-automatic drawbench and its application.
Background technology
Cut-pff wall is to be poured in loose pervious foundation or earth and rockfill dam (weir) dam body with the continuous pore-creating of slurry strengthened wall under mud
Build concrete or the other impervious materials of backfill are built up, play the diaphram wall of antiseepage.It is generally necessary to the progress of groove section is divided, i.e.,
Multiple different unit slotted eyes and unit wall section are divided into, each unit wall section connects into cut-pff wall entirety by seam or joint.
Junction can use extubation to carry out, and extubation is that junction block is placed in the two of slotted eye before first module slotted eye casting concrete
Side, then casting concrete, after concrete initial set, is extracted junction block with drawbench or crane, so as in first module wall
Two guide holes that the both sides of section form smooth semi-cylindrical and are easy to second unit slotted eye to construct, second unit slotted eye have been constructed
Cheng Hou, i.e., a joint face is formed herein.
Junction block is extracted usually using drawbench, the drawbench used at present is card key formula drawbench, such as Fig. 1 and Fig. 2
Shown, drawbench includes base A, the jacking cylinder B positioned at four summits of base and two be connected with jacking cylinder B
Symmetrical card key C, correspondingly, with the symmetrical neck D being engaged with the card key C on the tube wall of junction block,
There is multipair symmetrical neck D by one end to the other end of junction block on the outer wall of junction block, card key C end is circular arc
Shape.When in use, the base of drawbench is positioned on the level ground at slotted eye fluting, makes card key C and neck D position pair
Together, card key C is rotated into neck D by way of manpower rotates card key C, make card key C in upper and lower both direction not
Can be mobile, then card key C is up lifted by jacking cylinder A, under card key C and neck D cooperation, junction block jacked,
The distance that junction block is jacked is determined by the stroke of jacking cylinder.
When need to be jacked next time, card key C is removed from neck D by way of manpower rotation, then jacking oil
Cylinder declines, and card key C declines also with jacking cylinder A, then the aligned in position by card key C and next neck D, then repeats above-mentioned
Step, by multiple card key C and the neck D of diverse location cooperation, and realized by jacking cylinder A and extract junction block, lifted
The process risen.Wherein, upper and lower both direction described above refers to for drawbench being positioned over the level ground at slotted eye fluting
When upper, the direction that jacking cylinder A lifts when going upward to peak is upper, under direction when jacking cylinder A drops to minimum point is.
During the present invention is realized, inventor has found that prior art at least has problems with：
It is high that card key is rotated into the mode positioning accuracy request of neck, at present can only be by way of manpower, it is impossible to even
The continuous withdrawal process for carrying out junction block, low construction efficiency, labor intensity are big.
The content of the invention
In order to solve the problems, such as that prior art is above-mentioned, it is used to extract cut-pff wall junction block the embodiments of the invention provide one kind
Full-automatic drawbench and its application.The technical scheme is as follows：
In a first aspect, the embodiments of the invention provide a kind of full-automatic drawbench for being used to extract cut-pff wall junction block, bag
Chassis is included, the jacking cylinder on the chassis；
The drawbench also includes：The holding component being connected with the jacking cylinder；
The holding circle held component tightly and include holding oil cylinder tightly, adjusting diameter by the holding oil cylinder；
The minimum diameter of the holding circle is engaged with the diameter of junction block to be pulled out；
The holding circle is the holding block of 4 pieces of circular arc, and head and the tail two are held block tightly and are connected with holding oil cylinder tightly, and remaining holds block tightly
Interconnect successively；The number of the jacking cylinder is 4, and the holding block with 4 pieces of circular arc is connected respectively.
Specifically, the holding circle includes holding tightly with the first holding block and the 4th that the holding oil cylinder is connected by bearing pin
Block, second be connected by bearing pin with the described first holding block hold block tightly and hold block and institute tightly by bearing pin and described second
State the 4th holding block connection the 3rd holds block tightly；
The first holding block, the second holding block, the 3rd holding block and the 4th holding block pass through rotation
Mode form an annulus being engaged with the diameter of junction block to be pulled out.
Specifically, the first holding block include inwall with remaining hold tightly the first circular arc portion for being engaged of block inwall and
The first pontes extended along the tangential direction of first circular arc portion, the described 4th, which holds block tightly, includes inwall and remaining armful
The second circular arc portion that tight block inwall is engaged and the second connecting portion of the tangential direction extension along second circular arc portion
Point, the first pontes and the second connecting portion point are connected with the holding oil cylinder.
Specifically, the first pontes and the second connecting portion point in a manner of being overlapping respectively with described armful
The both ends of locking oil cylinder are connected by bearing pin.
Preferably, the number for holding oil cylinder tightly is two, parallel with the chassis.
Preferably, described first block, the second holding block, the 3rd holding block and the 4th holding block are held tightly
There is friction plate on inwall.
Preferably, the shoe of 4 horse-hof shapes is included on the chassis, the shoe is located at four angles of the chassis respectively
On, and the straight line portion of 4 shoes is parallel to each other, and the crowning of the bent portion of 4 shoes is embraced towards described
Collar；
The jacking cylinder is placed in shoe.
Second aspect, the embodiments of the invention provide a kind of application of drawbench in cut-pff wall junction block withdrawal process.
The third aspect, the embodiments of the invention provide a kind of application method of drawbench, step 1, the chassis is fixed
In the tapping of slotted eye on ground, make the center of the holding circle and the junction block center superposition to be pulled out, driving is described to embrace
Locking oil cylinder extends, and makes the entire length increase of the holding oil cylinder, the diameter of holding circle is matched with the diameter of the junction block
Close, then drive the jacking cylinder to extend, the holding component is entirely lifted, drives the junction block to lift.Step 2,
Drive the holding oil cylinder to retract, reduce the entire length of the holding oil cylinder, increase the diameter of holding circle, then drive
The jacking cylinder is retracted, and the holding component is entirely declined.Step 3, repeating said steps one and step 2, until complete
The lifting of the paired junction block is extracted.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The diameter of holding circle is adjusted by holding oil cylinder tightly, head tube can be repeatedly docked and be unclamped, held tightly, and pass through top
The rising of oil-lifting jar, the continuous process declined, it is possible to achieve the process for extracting junction block completely, that is, realize and do not need manpower
Control and carry out the multiple lifting of junction block full-automaticly.Solve to lift every time existing for card key formula drawbench and be both needed to very important person
The problems such as power participates in, low construction efficiency, and labor intensity is big.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the card key formula drawbench top view that prior art provides；
Fig. 2 is the card key formula drawbench front view that prior art provides；
Fig. 3 is the full-automatic drawbench structural representation provided in an embodiment of the present invention for being used to extract cut-pff wall junction block；
Fig. 4 is the full-automatic drawbench top view provided in an embodiment of the present invention for being used to extract cut-pff wall junction block；
Fig. 5 is the full-automatic drawbench provided in an embodiment of the present invention for being used to extract cut-pff wall junction block during tube drawing
Left view；
Fig. 6 is the full-automatic drawbench front view provided in an embodiment of the present invention for being used to extract cut-pff wall junction block；
Fig. 7 is the full-automatic drawbench left view provided in an embodiment of the present invention for being used to extract cut-pff wall junction block.
Wherein, reference is：
A, base；B, jacking cylinder；C, card key；D, neck；
1st, chassis；2nd, jacking cylinder；3rd, component is held tightly；4th, junction block；5th, friction plate；
101st, shoe；101a, straight line portion；101b, bent portion；301st, oil cylinder is held tightly；302nd, holding circle；302a,
One holds block tightly；302b, second hold block tightly；302c, the 3rd hold block tightly；302d, the 4th hold block tightly；302a1, the first circular arc portion；
302a2, the first pontes；302d1, the second circular arc portion；302d2, second connecting portion point.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
In a first aspect, it is used to extract the full-automatic drawbench of cut-pff wall junction block the embodiments of the invention provide a kind of, such as
Shown in Fig. 3 and Fig. 5, including chassis 1, the jacking cylinder 2 on the chassis 1；
The drawbench also includes：The holding component 3 being connected with the jacking cylinder 2；
The holding circle 302 held component 3 tightly and include holding oil cylinder 301 tightly, adjusting diameter by the holding oil cylinder 301；
The minimum diameter of the holding circle 302 is engaged with the diameter of junction block 4 to be pulled out；
The holding circle 302 is the holding block of 4 pieces of circular arc, and head and the tail two are held block tightly and are connected with holding oil cylinder 301 tightly, remaining
Block is held tightly to interconnect successively；The number of the jacking cylinder 2 is 4, and the holding block with 4 pieces of circular arc is connected respectively.
The operation principle of full-automatic drawbench provided in an embodiment of the present invention is illustrated below：
As shown in Figure 3 and Figure 5, chassis 1 is installed on to the tapping of slotted eye, on level ground, the center of chassis 1 is pulled out with waiting
Junction block 4 align, even if the center superposition of the center of chassis 1 and junction block 4,4 pieces of circular arcs are adjusted by holding oil cylinder 301 tightly
Holding block, so as to adjust the diameter of holding circle 302, be engaged its diameter and the diameter of junction block 4 to be pulled out, make holding circle
302 form the ring of a clamping joint pipe outer wall, i.e. fastening connector pipe 4, and realization can be by mobile holding circle 302 and same time shift
Dynamic junction block 4, then will entirely hold component 3 tightly by jacking cylinder 2 and lift, and drive junction block 4 towards away from slotted eye, remote level
The direction movement on ground, complete the lifting process of docking head tube 4, when first time lifting junction block 4, what holding circle 302 was held tightly
It is that the position of slotted eye is exposed on the top of junction block 4, is that the bottom of junction block 4 is then located in slotted eye, cement injection in slotted eye.
After lifting for the first time is completed, the holding of 4 pieces of circular arc is adjusted again followed by holding oil cylinder 301
Block, so as to adjust the diameter of holding circle 302, the diameter of holding circle 302 is set to be more than the diameter of junction block 4, i.e. releasable joint pipe 4,
Component 3 will be entirely held tightly by jacking cylinder 2 to decline, now, junction block 4 is filled with the slotted eye of cement because its underpart is located at
In, in slotted eye in the presence of cement, make to decline in the short time of junction block 4.Therefore when entirely holding the decline of component 3 tightly,
Junction block 4 does not decline, and the diameter of holding circle 302 is then adjusted by holding oil cylinder 301 tightly, makes its diameter and junction block 4 to be pulled out
Diameter be engaged again, fastening connector pipe 4, the position that now holding circle 302 is in contact with junction block 4, relative to for the first time
For the position that holding circle 302 is in contact with junction block 4 in lifting process, downwards, that is, the top further from junction block.
Now component 3 will be entirely held tightly by jacking cylinder 2 to lift, drive junction block 4 towards the direction away from slotted eye, away from level ground
It is mobile, complete the lifting process again of docking head tube 4.
By the above-mentioned repeatedly release of holding circle 302, hold tightly, and rising, the continuous process of decline of jacking cylinder 2,
The process for extracting junction block 4 completely is realized, that is, is realized and is not needed manpower control and carry out junction block full-automaticly
Repeatedly lifting.Solve existing for card key formula drawbench lifting every time and be required to manpower participation, low construction efficiency, labor intensity is big
The problems such as.
In embodiment described above, the holding circle 302 is the holding block of 4 pieces of circular arc, and every piece of circular arc is embraced
Tight block constitutes a portion of holding circle 302, and each circular arc radian for holding block tightly is engaged, with every piece of holding block circular arc
When the mode that radian is engaged splices the diameter minimum for making holding circle 302, each circular arc for holding block tightly can make up one with connecing
The circle that the diameter of head tube 4 is engaged, and when between the holding block of each circular arc without combination and splicing, holding circle 302
Diameter should be bigger than its minimum diameter, or can not form the circle of a fitting outer wall of junction block 4.From beginning to end block is held tightly with holding tightly for two
Oil cylinder 301 connects, and remaining is held block tightly and interconnected successively, i.e., by holding oil cylinder 301 tightly by the holding block head and the tail phase of 4 pieces of circular arc
Connection.The number of the jacking cylinder 2 is 4, and the holding block with 4 pieces of circular arc is connected respectively, is stretching jacking cylinder 2
It is long or when shortening, each holding equal stress of block can be made, can be with by adjusting that each jacking cylinder 2 synchronously carries out elongating or shortening
The whole uniform stressed of holding circle 302 is controlled, and is avoided when jacking cylinder 2 elongates or shortens because the movement for holding block tightly is asynchronous
Caused by and can not fastening connector pipe 4 situation.
Further, with continued reference to Fig. 3, the holding circle 302 includes what is be connected with the holding oil cylinder 301 by bearing pin
First holding block 302a and the 4th holding block 302d, second be connected by bearing pin with the described first holding block 302a hold block tightly
302b and the 3rd holding block being connected by bearing pin with the described second holding block 302b and the 4th holding block 302d
302c.The embodiment of the present invention is not especially limited to the thickness of above-mentioned 4 holding blocks, length, outboard structure, but its needs can be full
Foot is held tightly in 302 diameter minimum of holding circle, is adjacent to junction block 4, junction block 4 is moved with the movement of holding circle 302
It is dynamic.Can also be plurality of steel plates weldering such as 4 holding blocks can be the bloom for 4 pieces of en-block constructions that inwall is circular arc
The structure connect.As shown in Figure 3 and Figure 7, when 4 hold tightly blocks be polylith bloom welded structure when, by inwall for circular arc 4
Block steel plate composition holding circle 302 (in 4 blocks of steel plates herein every block of steel plate can also be multiple smaller curved plates welding and
Into), in the outside of every block of steel plate (the outstanding side of circular arc, and the outer wall of holding circle 302) welding polylith and the steel
The vertical radial direction steel plate of plate, and two axial steel plates are welded at the both ends of radial direction steel plate, for increasing the steadiness of steel plate and subtracting
Few whole weight for holding block tightly.Holding block and another piece of junction for holding block tightly tightly at one piece can weld and be used to insert with through hole
Enter the connector of bearing pin, you can with two axial steel plates interval it is default apart from welded connections, such as described first armful
The default distance in junction interval that tight block 302a and described second holds block 302b tightly welds more than one connector, and described the
Connector and the described second connector position held tightly on block 302b on one holding block 302a is interlaced, latch is passed through company
The connector that through hole on fitting inserts on the first holding block 302a and the second holding block 302b simultaneously, both are attached.
Described first holds block 302a tightly, described second holds block 302b tightly, the described 3rd holds block 302c and described 4th armful tightly
Tight block 302d forms an annulus being engaged with the diameter of junction block 4 to be pulled out by way of rotation.People in the art
For member it is understood that not having screw thread on bearing pin, two components fixed by bearing pin can only control two components not depart from
Each other, but the relative position of two components can not be completely fixed, therefore the first holding block 302a and the second holding block 302b leads to
Bearing pin connection is crossed, can be rotated between the two, the second holding block 302b holds block 302c tightly with the 3rd and is connected by bearing pin, both it
Between can also rotate, similarly, the 3rd holding block 302c with the described 4th holding block 302d is connected by bearing pin, between the two
It can rotate.Therefore blocks are held tightly in the case where having connected for 4, passes through rotary motion levelling angle from each other, position
It can realize and form holding circle 302 of the inwall for circle.
In addition, the first holding block 302a includes the first circular arc portion that inwall is engaged with remaining holding block inwall
The 302a1 and the first pontes 302a2 that extends of tangential direction along the first circular arc portion 302a1, the described 4th holds tightly
Block 302d includes inwall and holds the second circular arc portion 302d1 for being engaged of block inwall tightly and along second circular arc portion with remaining
The second connecting portion of 302d1 tangential direction extension divides 302d2, the first pontes 302a2 and the second connecting portion
302d2 is divided to be connected with the holding oil cylinder 301.Make the first holding block 302a possess composition by the first circular arc portion 302a1 to embrace
The circular arc portion of the inwall of collar 302, held tightly by the first pontes 302a2 first and a forced section formed on block 302a,
So that when being exerted a force to the first pontes 302a2, the first holding block 302a can be moved.Similarly, the second arc sections are passed through
Divide 302d1 the 4th holding block 302d is possessed the circular arc portion for forming the inwall of holding circle 302, divide 302d2 by second connecting portion
Held tightly the 4th and a forced section is formed on block 302d so that when dividing 302d2 to exert a force second connecting portion, first holds block tightly
302a can be moved.
Further, the first holding block 302a one end is connected with the second holding block 302b, the other end (i.e. first connecting portion
Divide 302a2) it is connected with holding one end of oil cylinder 301 tightly, the 4th holding block 302d one end and the 3rd holding block 302c are connected, another
End (i.e. second connecting portion divides 302d2) is connected with holding the other end of oil cylinder 301 tightly.The first pontes 302a2 and described
Second connecting portion divides both ends of the 302d2 respectively with the holding oil cylinder 301 in a manner of being overlapping to be connected by bearing pin.First
Coupling part 302a2 and second connecting portion divide 302d2 length should be roughly equal, make holding oil cylinder 301 equal to both force
It is even.As shown in Figure 6 and Figure 7, the number for holding oil cylinder 301 tightly is two, parallel with the chassis 1.The first pontes
302a2 and second connecting portion are divided on 302d2 should also wrap with the through hole that can pass through bearing pin, the both ends of two holding oil cylinders 301
The connecting portion for passing through bearing pin with through hole is included, is connected at the both ends of two holding oil cylinders 301 with first respectively by bearing pin
Socket part divides 302a2 and second connecting portion to divide 302d2 to be attached.Thus, can be same by the elongation and contraction of holding oil cylinder 301 tightly
When divide 302d2 to exert a force the first pontes 302a2 and second connecting portion.When holding the elongation of oil cylinder 301 tightly, even if holding tightly
During the whole length increase of oil cylinder 301,302d2 is divided to drive second to hold tightly by the first pontes 302a2 and second connecting portion
Block 302b and the 3rd holds block 302c tightly, makes 4 to hold tightly between blocks by rotating adjustment angle, position, forms one and junction block 4
The circle that diameter is engaged, holding circle 302 is set to fit on the outer wall of junction block 4.When holding the contraction of oil cylinder 301 tightly, even if holding tightly
When the whole length of oil cylinder 301 is reduced, 302d2 is divided to drive second to hold tightly by the first pontes 302a2 and second connecting portion
Block 302b and the 3rd holds block 302c tightly, makes that between 4 holding blocks a circle being engaged with the diameter of junction block 4 can not be formed, or
Person makes the diameter of holding circle 302 be more than the diameter of junction block 4, and holding circle 302 can not be fitted on the outer wall of junction block 4, between the two
There is space to make holding circle 302 itself movement without driving junction block 4.
As a kind of preferred scheme, described first holds block 302a, the second holding block 302b, the 3rd holding block tightly
There is friction plate 5 on 302c and the 4th holding block 302d inwall.Friction plate 5 can be rough surface, there is the plate of particulate matter,
So that holding circle 302 frictional force increase, more can drive junction block 4 to be moved securely when holding tightly, being bonded junction block 4
It is dynamic, avoid slip on the move.
As shown in Figure 4 and Figure 5, the shoe 101 of 4 horse-hof shapes is included on the chassis 1, the shoe 101 is located at respectively
On four angles of the chassis 1, and the straight line portion 101a of 4 shoes 101 is parallel to each other, 4 shoes 101
Bent portion 101b crowning is towards the holding circle 302；The jacking cylinder 2 is placed in shoe 101, and the holding refers to top
The diameter that oil-lifting jar 2 is located at the inside points of shoe 101 is more than the diameter for being located at the outer portion of shoe 101, enables jacking cylinder 2 by pipe
Boots 101 block, and can only be moved within the scope of shoe 101.By 4 shoes 101 by the removable model of jacking cylinder 2
Enclose and limited, and do not hinder the deformation of holding circle 302.
The optional dimensional parameters of one of the embodiment of the present invention are：The cylinder diameter of jacking cylinder is 220mm, and bar footpath is 160mm,
Stroke is 630mm, and the cylinder diameter for holding oil cylinder tightly is 250mm, and bar footpath is 180mm, stroke 230mm.A diameter of 900- of holding circle
930mm, a diameter of 900mm of junction block, friction plate are asbestos copper wire friction belt, and its thickness is 10mm.
Second aspect, the embodiment of the present invention provide a kind of application of drawbench in cut-pff wall junction block withdrawal process.
The third aspect, the embodiment of the present invention provide a kind of application method of drawbench, specifically, step 1, by the bottom
Frame 1 is fixed on the tapping of slotted eye on ground, makes the center of the holding circle 302 and the center superposition of junction block 4 to be pulled out,
Drive the holding oil cylinder 301 to extend, make the entire length increase of the holding oil cylinder 301, make diameter and the institute of holding circle 302
The diameter for stating junction block 4 is engaged, and then drives the jacking cylinder 2 to extend, and the holding component 3 is entirely lifted, driven
The junction block 4 lifts.Step 2, drive the holding oil cylinder 301 to retract, subtract the entire length of the holding oil cylinder 301
It is small, increase the diameter of holding circle 302, then drive the jacking cylinder 2 to retract, the holding component 3 is entirely declined.Step
Rapid three, repeating said steps one and step 2, until the lifting completed to the junction block 4 is extracted.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the disclosure, herein no longer
Repeat one by one.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of full-automatic drawbench for being used to extract cut-pff wall junction block, including chassis (1), on the chassis (1)
Jacking cylinder (2)；
Characterized in that, the drawbench also includes：The holding component (3) being connected with the jacking cylinder (2)；
The holding circle held component (3) tightly and include holding oil cylinder (301) tightly, adjusting diameter by the holding oil cylinder (301)
(302)；
The minimum diameter of the holding circle (302) is engaged with the diameter of junction block (4) to be pulled out；
The holding circle (302) is the holding block of 4 pieces of circular arc, and head and the tail two are held block tightly and are connected with holding oil cylinder (301) tightly, remaining
Block is held tightly to interconnect successively；The number of the jacking cylinder (2) is 4, and the holding block with 4 pieces of circular arc connects respectively
Connect；
The holding block is plurality of steel plates welded structure, and the plurality of steel plates welded structure is：It is circular arc by inwall
4 blocks of steel plates form the holding circle (302), in the outside welding polylith of the every block of steel plate radial direction steel vertical with the steel plate
Plate, and weld two axial steel plates at the both ends of the radial direction steel plate.
2. drawbench according to claim 1, it is characterised in that the holding circle (302) includes and the holding oil cylinder
(301) first connected by bearing pin holds block (302a) and the 4th tightly and holds block (302d) tightly, held tightly by bearing pin and described first
The second of block (302a) connection holds block (302b) tightly and holds block (302b) and described 4th armful tightly by bearing pin and described second
The 3rd of tight block (302d) connection holds block (302c) tightly；
Described first holds block (302a), the second holding block (302b), the 3rd holding block (302c) and the described 4th tightly
Hold block (302d) tightly and an annulus being engaged with the diameter of junction block (4) to be pulled out is formed by way of rotation.
3. drawbench according to claim 2, it is characterised in that described first, which holds block (302a) tightly, includes inwall and remaining
The first circular arc portion (302a1) and prolong along the tangential direction of first circular arc portion (302a1) that holding block inwall is engaged
The first pontes (302a2) stretched, the 4th holding block (302d) include what inwall was engaged with remaining holding block inwall
Second circular arc portion (302d1) and the second connecting portion point that extends of tangential direction along second circular arc portion (302d1)
(302d2), the first pontes (302a2) and the second connecting portion point (302d2) connect with the holding oil cylinder (301)
Connect.
4. drawbench according to claim 3, it is characterised in that the first pontes (302a2) and described second
Both ends of the coupling part (302d2) respectively with the holding oil cylinder (301) in a manner of being overlapping are connected by bearing pin.
5. drawbench according to claim 1, it is characterised in that it is described hold tightly oil cylinder (301) number be two, with
The chassis (1) is parallel.
6. drawbench according to claim 2, it is characterised in that described first holds block (302a), second holding tightly
There is friction plate (5) on the inwall of block (302b), the 3rd holding block (302c) and the 4th holding block (302d).
7. drawbench according to claim 1, it is characterised in that include the shoe of 4 horse-hof shapes on the chassis (1)
(101), the shoe (101) is respectively on four angles of the chassis (1), and the line part of 4 shoes (101)
Point (101a) is parallel to each other, and the crowning of the bent portion (101b) of 4 shoes (101) is towards the holding circle (302)；
The jacking cylinder (2) is placed in shoe (101).
A kind of 8. application of drawbench according to claim any one of 1-7 in cut-pff wall junction block withdrawal process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352950.4A CN106996094B (en) | 2017-05-18 | 2017-05-18 | A kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352950.4A CN106996094B (en) | 2017-05-18 | 2017-05-18 | A kind of full-automatic drawbench and its application for being used to extract cut-pff wall junction block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996094A CN106996094A (en) | 2017-08-01 |
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| CN108589713A (en) * | 2018-05-08 | 2018-09-28 | 新河县双兴桩工机械有限公司 | Rammed bulb pile Immersed tunnel device |
| CN109469451B (en) * | 2018-12-28 | 2024-02-13 | 中国水电基础局有限公司 | Vibration structure, hydraulic tube drawing machine applying vibration mechanism and use method |
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| CN2285322Y (en) * | 1997-03-12 | 1998-07-01 | 熊湘哲 | Top pressing type machine for drawing out joint pipe |
| CN2665215Y (en) * | 2003-12-26 | 2004-12-22 | 熊湘哲 | Full-hydraulic friction enclasping and top pressing type adaptor tube extractor |
| CN101761079B (en) * | 2009-12-28 | 2011-08-17 | 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 |
| CN103015424A (en) * | 2012-12-06 | 2013-04-03 | 上海市基础工程有限公司 | Hydraulic split type fore shaft pipe jacking and drawing machine for underground continuous wall construction |
| CN203654287U (en) * | 2013-12-05 | 2014-06-18 | 北京市三一重机有限公司 | Pile casing pulling device |
| CN203701096U (en) * | 2013-12-26 | 2014-07-09 | 北京市三一重机有限公司 | Hydraulic sleeve lifting and lining device |
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