CN111535318B - Precise installation and adjustment device for steel pipe column by reverse construction method and use method - Google Patents

Precise installation and adjustment device for steel pipe column by reverse construction method and use method Download PDF

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Publication number
CN111535318B
CN111535318B CN202010379750.XA CN202010379750A CN111535318B CN 111535318 B CN111535318 B CN 111535318B CN 202010379750 A CN202010379750 A CN 202010379750A CN 111535318 B CN111535318 B CN 111535318B
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China
Prior art keywords
pipe column
steel pipe
block
annular block
positioning
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CN111535318A (en
Inventor
汪小林
张铭
黄轶
段博
朱利君
王伟
马天雨
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Shanghai Construction No 4 Group Co Ltd
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Shanghai Construction No 4 Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/04Guide devices; Guide frames
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/66Mould-pipes or other moulds
    • E02D5/665Mould-pipes or other moulds for making piles

Abstract

The invention relates to the field of building construction, and particularly discloses a device for accurately installing and adjusting a steel pipe column by a reverse construction method, which comprises a positioning frame, a first hydraulic cylinder and a second hydraulic cylinder, wherein the positioning frame is arranged at a pile hole and provided with a cavity; a cross rod is fixed between the sliding blocks, a positioning block is connected to the cross rod in a sliding manner, and a first hydraulic cylinder is fixed on the side wall of each sliding block; a circular hole is formed in the positioning block, a verticality adjusting structure is arranged in the circular hole and comprises a first annular block, a first connecting rod is fixed on the side edge of the first annular block, and a groove is formed in the positioning block; a second connecting rod is fixed on the side edge of the second annular block; a third annular block is fixed on the second annular block; a fourth ring-shaped block is arranged in the pile hole, and an annular track with a third hydraulic cylinder in a sliding manner is fixed on the fourth ring-shaped block; the invention aims to solve the problems of low verticality precision and large elevation error of a column top of a reverse construction method support column.

Description

Precise installation and adjustment device for steel pipe column by reverse construction method and use method
Technical Field
The invention relates to the technical field of building construction, and particularly discloses a steel pipe column accurate installation and adjustment device and a using method thereof.
Background
With the leap-type development of comprehensive national power in China, city construction is not full of interest and is limited by the scarcity of land, and in city construction, the development and utilization of underground space are more and more emphasized. The reverse construction is widely adopted and used in the development and utilization of underground space due to its clear advantages. As a load-bearing structure in the reverse construction stage, the construction quality of a support column in the reverse construction method is very important. However, for a long time, the control of the verticality, elevation and column position of the support column by the reverse construction method is always a difficult problem which troubles the construction field. However, the existing verticality adjusting mode achieves the purpose of adjustment by pushing through four angles in the front and the back, the adjusting direction is fixed, the verticality adjusting range is small, and the verticality adjusting precision is not high and the construction efficiency is not high.
Disclosure of Invention
The invention aims to provide a device for accurately installing and adjusting a steel pipe column by a reverse construction method and a using method thereof, and aims to solve the problems that a support column by the reverse construction method is low in verticality precision and large in elevation and position error.
In order to achieve the purpose, the invention provides the following technical scheme:
a steel pipe column accurate installation and adjustment device adopting a reverse construction method comprises a positioning frame arranged at a pile hole, wherein a cavity is arranged on the positioning frame, sliding blocks are connected to the left side wall and the right side wall of the cavity in a sliding manner, and a first hydraulic cylinder for pushing the sliding blocks to slide back and forth is fixed on the front side wall of the cavity; two cross rods are fixed between the sliding blocks, the cross rods are connected with positioning blocks in a sliding mode, and second hydraulic cylinders for pushing the positioning blocks are fixed on the side walls of the sliding blocks; the positioning block is provided with a circular hole, a verticality adjusting structure is arranged in the circular hole, the verticality adjusting structure comprises a first annular block concentric with the circular hole, symmetrically arranged first connecting rods are fixed on the side edge of the first annular block, and a groove for embedding the connecting rods is formed in the side wall of the positioning block; a second annular block with the same center of circle is arranged in the first annular block, a second connecting rod is fixed on the side edge of the second annular block and is arranged opposite to the second annular block, the connecting rod is rotatably connected to the inner side wall of the first annular block, and the first connecting rod is perpendicular to the second connecting rod; a third concentric annular block is fixed on the upper surface of the second annular block, threaded holes are distributed in a circular array on the third annular block, and a balance measuring instrument is arranged on the third annular block; a fourth ring-shaped block is arranged in the pile hole, the fourth ring-shaped block is connected with the positioning block through a telescopic rod, an annular track is fixed on the fourth ring-shaped block, a third hydraulic cylinder facing the circle center is arranged on the annular track in a sliding mode, and a driving motor is fixed on the third hydraulic cylinder and used for driving the third hydraulic cylinder to move annularly; and four fourth hydraulic cylinders are fixed at the bottom of the positioning frame.
Optionally, the end portions of the first connecting rods are provided with teeth, the positioning block is provided with a transverse groove, the transverse groove is rotatably connected with a first gear meshed with the first connecting rods, and a clamping block is arranged in the transverse groove; the teeth have all been seted up to the tip of second connecting rod, and first annular piece is inside to be opened there is the cavity, and the cavity internal rotation is connected with the second gear with second connecting rod meshing, and the cover has the holding ring on the second connecting rod, is fixed with card and piece on the holding ring.
Through setting up the meshing of gear and connecting rod, prevent that the steel-pipe column self from appearing the back pendulum condition, but the rotation of fixture block and card and piece can fix the connecting rod after transferring to hang down to fix the steel-pipe column, prevent to pour the accent of in-process steel-pipe column and hang down the precision.
Optionally, the locating piece round hole drill way department rotates and is connected with the locating lever, and the length of locating lever equals with the radius size of round hole.
Through setting up the locating lever, utilize the tip of locating lever to carry out the location of the round hole centre of a circle, and the location of steel-pipe column centre of a circle, improve the installation accuracy of steel-pipe column.
Optionally, the driving motor is vertically arranged, a driving gear is fixed on the output end of the driving motor, and teeth meshed with the driving gear are arranged on the inner side wall of the track.
Through the meshing between drive gear and the track, prevent that the third pneumatic cylinder from appearing sliding in the course of the work, influence the accent of steel-pipe column and hang down.
Optionally, a horizontally arranged pushing roller is rotatably connected to the output end of the third hydraulic cylinder, and the pushing roller is perpendicular to the third hydraulic cylinder.
Optionally, the driving motor and the third hydraulic cylinder are controlled to be opened and closed through wireless remote control.
The using method of the steel pipe column accurate installation and adjustment device by the reverse construction method comprises the following steps:
1) constructing a pile hole of the steel pipe column under rock geology, placing a reinforcement cage in the pile hole, fixedly connecting the top end of the reinforcement cage with the ground, and pouring concrete to the bottom of the pile hole;
2) four rectangular holes are drilled in the ground rock layer, a positioning frame is installed above the top end of the steel reinforcement cage, a fourth hydraulic cylinder is enabled to be embedded into the rectangular holes respectively, a pull rope is arranged on a fourth annular block, the fourth annular block naturally slides to the middle position of the pile hole, a telescopic rod extends, and meanwhile the end portion of the pull rope is fixed on the ground; rotating the positioning rod to enable the positioning rod to be in a horizontal state, wherein the end part of the positioning rod is superposed with the circle center of the round hole; opening and closing a first hydraulic cylinder, and pushing the sliding block to horizontally slide by the first hydraulic cylinder until the sliding block is pushed to a required position; opening and closing a second hydraulic cylinder, wherein the second hydraulic cylinder pushes the positioning block to slide on the cross rod, so that the position of the positioning block is adjusted, and whether the circle center of the circular hole is located at a required position is determined by observing the end part of the positioning rod; after the circle center of the circular hole is positioned at the required position, rotating the positioning rod to restore the positioning rod to the initial position;
3) selecting a verticality adjusting structure with a corresponding size, sleeving the verticality adjusting structure on the top end of the steel pipe column, and matching a threaded hole in the third annular block through a bolt to fix the verticality adjusting structure and the steel pipe column; hoisting the steel pipe column, and enabling the bottom of the steel pipe column to sequentially penetrate through the positioning block and the fourth annular block to enter the pile hole; meanwhile, the connecting rod of the first annular block is embedded into the groove, so that the first connecting rod is meshed with the first gear;
4) the third hydraulic cylinder is opened and closed through remote control, and pushes the steel pipe column to enable the steel pipe column to swing at a small angle, so that verticality adjustment is performed; meanwhile, a driving motor is turned on and off in a remote control mode, and the driving motor drives a driving gear to rotate, so that a third hydraulic cylinder is driven to move annularly on the rail, and the third hydraulic cylinder is driven to move to the next position to adjust the verticality; the first annular block and the second annular block enable the steel pipe column to swing within 360 degrees horizontally, the first annular block and the second annular block are driven to rotate when the steel pipe column swings, the first gear is driven to rotate by the first annular block, the second gear is driven to rotate by the second annular block, and the first gear and the second gear can apply resistance to the first annular block and the second annular block to prevent the steel pipe column from swinging back; repeating the process, and ensuring that the perpendicularity of the steel pipe column meets the requirement by observing the balance measuring instrument; after the verticality adjustment is finished, the clamping block is clamped at the meshing position of the first gear and the first connecting rod, and the positioning ring is slid, so that the clamping block is clamped at the meshing position of the second gear and the second connecting rod, and the steel pipe column is prevented from swinging;
5) measuring the ground elevation of the steel pipe column, and if the elevation does not meet the requirement, pushing the positioning frame to move up and down by opening and closing the fourth hydraulic cylinder so as to adjust the ground elevation of the steel pipe column;
6) placing a guide pipe in the steel pipe column, installing a concrete charging barrel, and pouring concrete at the bottom of the steel pipe column; observing the balance measuring instrument in the pouring process, if the perpendicularity of the steel pipe column deviates, repeating the step 4) to adjust the perpendicularity of the steel pipe column again, and ensuring the accurate forming of the formed steel pipe column; after the concrete is finally set, the fourth annular block is pulled back to contract, the bolt is loosened, and the verticality adjusting structure and the positioning frame are detached; and then filling the concrete for the second time.
The working principle and the beneficial effects of the scheme are as follows:
1. in the scheme, the combination of the first annular block and the second annular block is utilized, so that the swingable range of the steel pipe column reaches 360 degrees, the omnibearing adjustable verticality is achieved, and the verticality adjusting precision of the steel pipe column is improved; meanwhile, the third hydraulic cylinder can move in the 360-degree annular direction of the fourth annular block, namely the third hydraulic cylinder can push the steel pipe column in all directions, and the verticality adjusting structure is matched, so that the verticality adjusting precision of the steel pipe column is further improved; in addition, through the fourth hydraulic cylinder, the effect that the ground elevation of the steel pipe column is adjustable is achieved, and the vertical elevation and the perpendicularity are adjusted.
2. In this scheme, transfer and to hang down for detachable between structure and the locating rack, through selecting the not unidimensional structure of hanging down of transferring and can be fit for not unidimensional steel-pipe column, very big improvement the locating rack, transfer the repeatable utilization ratio of structure of hanging down.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural diagram of a positioning frame in this embodiment;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is an enlarged schematic view at B of FIG. 3;
fig. 5 is a schematic structural view of a fourth annular block in this embodiment.
The drawings are numbered as follows: the positioning device comprises a positioning frame 1, a sliding block 2, a first hydraulic cylinder 3, a positioning block 4, a cross bar 5, a first annular block 6, a second annular block 7, a third annular block 8, a second hydraulic cylinder 9, a third hydraulic cylinder 10, a fourth annular block 11, a track 12, a driving motor 13, a telescopic rod 14, a fourth hydraulic cylinder 15, a positioning rod 16, a first connecting rod 17, a second connecting rod 18, a first gear 19, a clamping block 20, a clamping block 21, a driving gear 22 and a second gear 23.
Detailed Description
The following is further detailed by way of specific embodiments:
example (b):
the present embodiment is basically as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5:
a steel pipe column accurate installation and adjustment device adopting a reverse construction method comprises a positioning frame 1 fixed at a pile hole, wherein a cavity is arranged on the positioning frame 1, sliding blocks 2 are connected to the left side wall and the right side wall of the cavity in a sliding mode, and a first hydraulic cylinder 3 for pushing the sliding blocks 2 to slide back and forth is connected to the front side wall of the cavity through bolts; two cross rods 5 are fixed between the sliding blocks 2, the cross rods 5 are connected with positioning blocks 4 in a sliding mode, and second hydraulic cylinders 9 for pushing the positioning blocks 4 are fixed on the side walls of the sliding blocks 2; a round hole is formed in the positioning block 4, a verticality adjusting structure is arranged in the round hole, a positioning rod 16 is rotatably connected to the orifice of the round hole of the positioning block 4, and the length of the positioning rod 16 is equal to the radius of the round hole; the verticality adjusting structure comprises a first annular block 6 concentric with the circular hole, first connecting rods 17 symmetrically arranged are welded on the side edges of the first annular block 6, grooves used for embedding the connecting rods are formed in the side walls of the positioning blocks 4, teeth are formed in the end portions of the first connecting rods 17, transverse grooves are formed in the positioning blocks 4, first gears 19 meshed with the first connecting rods 17 are rotatably connected in the transverse grooves, and clamping blocks 20 are arranged in the transverse grooves; a second annular block 7 with the same center is arranged in the first annular block 6, a second connecting rod 18 is welded on the side edge of the second annular block 7 and is arranged right opposite to the side edge of the second annular block, the connecting rods are rotatably connected to the inner side wall of the first annular block 6, the first connecting rod 17 is perpendicular to the second connecting rod 18, teeth are arranged at the end part of the second connecting rod 18, a cavity is formed in the first annular block 6, a second gear 23 meshed with the second connecting rod 18 is rotatably connected in the cavity, a positioning ring is sleeved on the second connecting rod 18, and a clamping block 21 is welded on the positioning ring; a third concentric annular block 8 is fixed on the upper surface of the second annular block 7, threaded holes are distributed in the third annular block 8 in a circular array manner, and a balance measuring instrument is installed on the third annular block 8; a fourth ring-shaped block 11 is arranged in the pile hole, the fourth ring-shaped block 11 is connected with the positioning block 4 through a telescopic rod 14, an annular rail 12 is fixed on the fourth ring-shaped block 11, a third hydraulic cylinder 10 facing the circle center is arranged on the annular rail 12 in a sliding mode, a horizontally arranged pushing roller is rotatably connected to the output end of the third hydraulic cylinder 10, and the pushing roller is perpendicular to the third hydraulic cylinder 10; a driving motor 13 is fixed on the third hydraulic cylinder 10, the driving motor 13 is vertically bolted on the side wall of the third hydraulic cylinder 10, a driving gear 22 is fixed on the output end of the driving motor 13, teeth are arranged on the inner side wall of the track 12 and are meshed with the driving gear 22, the driving motor 13 is used for driving the third hydraulic cylinder 10 to move annularly, and the driving motor 13 and the third hydraulic cylinder 10 are controlled to be opened and closed through wireless remote control; the bottom of the positioning frame 1 is connected with four evenly distributed fourth hydraulic cylinders 15 through bolts.
The application method of the device for accurately installing and adjusting the steel pipe column by the reverse construction method is characterized by comprising the following steps of: the method comprises the following steps:
1) constructing a pile hole of the steel pipe column under rock geology, placing a reinforcement cage in the pile hole, fixedly connecting the top end of the reinforcement cage with the ground, and pouring concrete to the bottom of the pile hole;
2) four rectangular holes are drilled in the ground rock layer, a positioning frame 1 is installed above the top end of the reinforcement cage, a fourth hydraulic cylinder 15 is ensured to be respectively embedded into the rectangular holes, a pull rope is arranged on a fourth annular block 11, the fourth annular block 11 naturally slides to the middle position of a pile hole, a telescopic rod 14 extends, and meanwhile, the end part of the pull rope is fixed on the ground; rotating the positioning rod 16 to be in a horizontal state, wherein the end part of the positioning rod 16 is superposed with the circle center of the round hole; opening and closing the first hydraulic cylinder 3, and pushing the sliding block 2 to horizontally slide by the first hydraulic cylinder 3 until the sliding block is pushed to a required position; opening and closing the second hydraulic cylinder 9, wherein the second hydraulic cylinder 9 pushes the positioning block 4 to slide on the cross rod 5, so that the position of the positioning block 4 is adjusted, and whether the circle center of the circular hole is located at a required position is determined by observing the end part of the positioning rod 16; after the circle center of the circular hole is at the required position, the positioning rod 16 is rotated to restore to the initial position;
3) selecting a verticality adjusting structure with a corresponding size, sleeving the verticality adjusting structure on the top end of the steel pipe column, and matching a threaded hole in the third annular block 8 through a bolt to fix the verticality adjusting structure and the steel pipe column; hoisting the steel pipe column, and enabling the bottom of the steel pipe column to sequentially penetrate through the positioning block 4 and the fourth annular block 11 to enter the pile hole; at the same time, the connecting rod of the first annular block 6 is inserted into the groove, so that the first connecting rod 17 is meshed with the first gear 19;
4) the third hydraulic cylinder 10 is opened and closed through remote control, the third hydraulic cylinder 10 pushes the steel pipe column to enable the steel pipe column to swing at a small angle, and therefore verticality adjustment is carried out; meanwhile, the driving motor 13 is turned on and turned off in a remote control mode, the driving motor 13 drives the driving gear 22 to rotate, so that the third hydraulic cylinder 10 is driven to move in the circumferential direction on the rail 12, and the third hydraulic cylinder 10 is driven to move to the next position to adjust the verticality; the first annular block 6 and the second annular block 7 are matched to enable the steel pipe column to swing within 360 degrees horizontally, when the steel pipe column swings, the first annular block 6 and the second annular block 7 are driven to rotate, the first annular block 6 drives the first gear 19 to rotate, the second annular block 7 drives the second gear 23 to rotate, and the first gear 19 and the second gear 23 can apply resistance to the first annular block 6 and the second annular block 7 to prevent the steel pipe column from swinging back; repeating the process, and ensuring that the perpendicularity of the steel pipe column meets the requirement by observing the balance measuring instrument; after the verticality adjustment is finished, the clamping block 20 is clamped at the meshing position of the first gear 19 and the first connecting rod 17, and the positioning ring is slid, so that the clamping block 21 is clamped at the meshing position of the second gear 23 and the second connecting rod 18, and the steel pipe column is prevented from swinging;
5) measuring the ground elevation of the steel pipe column, and if the elevation does not meet the requirement, pushing the positioning frame 1 to move up and down by opening and closing the fourth hydraulic cylinder 15, so as to adjust the ground elevation of the steel pipe column;
6) placing a guide pipe in the steel pipe column, installing a concrete charging barrel, and pouring concrete at the bottom of the steel pipe column; observing the balance measuring instrument in the pouring process, if the perpendicularity of the steel pipe column deviates, repeating the step 4) to adjust the perpendicularity of the steel pipe column again, and ensuring the accurate forming of the formed steel pipe column; after the concrete is finally set, the fourth annular block 11 is pulled back to contract, the bolt is loosened, and the verticality adjusting structure and the positioning frame 1 are removed; and then filling the concrete for the second time.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (6)

1. The utility model provides a reverse construction method steel-pipe column accurate installation and adjusting device which characterized in that: the pile positioning device comprises a positioning frame arranged at a pile hole, wherein a cavity is arranged on the positioning frame, sliding blocks are connected to the left side wall and the right side wall of the cavity in a sliding manner, and a first hydraulic cylinder for pushing the sliding blocks to slide back and forth is fixed on the front side wall of the cavity; two cross rods are fixed between the sliding blocks, the cross rods are connected with positioning blocks in a sliding mode, and second hydraulic cylinders for pushing the positioning blocks are fixed on the side walls of the sliding blocks; the positioning block is provided with a circular hole, a verticality adjusting structure is arranged in the circular hole, the verticality adjusting structure comprises a first annular block concentric with the circular hole, symmetrically arranged first connecting rods are fixed on the side edge of the first annular block, and a groove for embedding the connecting rods is formed in the side wall of the positioning block; a second annular block with the same center of circle is arranged in the first annular block, a second connecting rod is fixed on the side edge of the second annular block and is arranged opposite to the second annular block, the connecting rod is rotatably connected to the inner side wall of the first annular block, and the first connecting rod is perpendicular to the second connecting rod; a third concentric annular block is fixed on the upper surface of the second annular block, threaded holes are distributed in a circular array on the third annular block, and a balance measuring instrument is arranged on the third annular block; a fourth ring-shaped block is arranged in the pile hole, the fourth ring-shaped block is connected with the positioning block through a telescopic rod, an annular track is fixed on the fourth ring-shaped block, a third hydraulic cylinder facing the circle center is arranged on the annular track in a sliding mode, and a driving motor is fixed on the third hydraulic cylinder and used for driving the third hydraulic cylinder to move annularly; four fourth hydraulic cylinders are fixed at the bottom of the positioning frame; the end parts of the first connecting rods are provided with teeth, the positioning blocks are provided with transverse grooves, first gears meshed with the first connecting rods are rotatably connected in the transverse grooves, and clamping blocks are arranged in the transverse grooves; the teeth have all been seted up to the tip of second connecting rod, and first annular piece is inside to be opened there is the cavity, and the cavity internal rotation is connected with the second gear with second connecting rod meshing, and the cover has the holding ring on the second connecting rod, is fixed with card and piece on the holding ring.
2. The steel pipe column accurate installation and adjustment device of the top-down method according to claim 1, wherein: the locating piece round hole drill way department rotates and is connected with the locating lever, and the length of locating lever equals with the radius size of round hole.
3. The steel pipe column accurate installation and adjustment device of the top-down method according to claim 2, wherein: the driving motor is vertically arranged, a driving gear is fixed on the output end of the driving motor, and teeth meshed with the driving gear are arranged on the inner side wall of the track.
4. The steel pipe column accurate installation and adjustment device of the top-down method according to claim 3, wherein: and the output end of the third hydraulic cylinder is rotatably connected with a horizontally arranged pushing roller which is vertical to the third hydraulic cylinder.
5. The steel pipe column accurate installation and adjustment device of the top-down method according to claim 4, wherein: the driving motor and the third hydraulic cylinder are controlled to be opened and closed through wireless remote control.
6. The use method of the steel pipe column accurate installation and adjustment device of the reverse method according to claim 5 is characterized in that: the method comprises the following steps:
1) constructing a pile hole of the steel pipe column under rock geology, placing a reinforcement cage in the pile hole, fixedly connecting the top end of the reinforcement cage with the ground, and pouring concrete to the bottom of the pile hole;
2) four rectangular holes are drilled in the ground rock layer, a positioning frame is installed above the top end of the steel reinforcement cage, a fourth hydraulic cylinder is enabled to be embedded into the rectangular holes respectively, a pull rope is arranged on a fourth annular block, the fourth annular block naturally slides to the middle position of the pile hole, a telescopic rod extends, and meanwhile the end portion of the pull rope is fixed on the ground; rotating the positioning rod to enable the positioning rod to be in a horizontal state, wherein the end part of the positioning rod is superposed with the circle center of the round hole; opening and closing a first hydraulic cylinder, and pushing the sliding block to horizontally slide by the first hydraulic cylinder until the sliding block is pushed to a required position; opening and closing a second hydraulic cylinder, wherein the second hydraulic cylinder pushes the positioning block to slide on the cross rod, so that the position of the positioning block is adjusted, and whether the circle center of the circular hole is located at a required position is determined by observing the end part of the positioning rod; after the circle center of the circular hole is positioned at the required position, rotating the positioning rod to restore the positioning rod to the initial position;
3) selecting a verticality adjusting structure with a corresponding size, sleeving the verticality adjusting structure on the top end of the steel pipe column, and matching a threaded hole in the third annular block through a bolt to fix the verticality adjusting structure and the steel pipe column; hoisting the steel pipe column, and enabling the bottom of the steel pipe column to sequentially penetrate through the positioning block and the fourth annular block to enter the pile hole; meanwhile, the connecting rod of the first annular block is embedded into the groove, so that the first connecting rod is meshed with the first gear;
4) the third hydraulic cylinder is opened and closed through remote control, and pushes the steel pipe column to enable the steel pipe column to swing at a small angle, so that verticality adjustment is performed; meanwhile, a driving motor is turned on and off in a remote control mode, and the driving motor drives a driving gear to rotate, so that a third hydraulic cylinder is driven to move annularly on the rail, and the third hydraulic cylinder is driven to move to the next position to adjust the verticality; the first annular block and the second annular block are matched to enable the steel pipe column to swing within 360 degrees horizontally, the first annular block and the second annular block are driven to rotate when the steel pipe column swings, the first gear is driven to rotate by the first annular block, the second gear is driven to rotate by the second annular block, and the first gear and the second gear can apply resistance to the first annular block and the second annular block to prevent the steel pipe column from swinging back; repeating the process, and ensuring that the perpendicularity of the steel pipe column meets the requirement by observing the balance measuring instrument; after the verticality adjustment is finished, the clamping block is clamped at the meshing position of the first gear and the first connecting rod, and the positioning ring is slid, so that the clamping block is clamped at the meshing position of the second gear and the second connecting rod, and the steel pipe column is prevented from swinging;
5) measuring the ground elevation of the steel pipe column, and if the elevation does not meet the requirement, pushing the positioning frame to move up and down by opening and closing the fourth hydraulic cylinder so as to adjust the ground elevation of the steel pipe column;
6) placing a guide pipe in the steel pipe column, installing a concrete charging barrel, and pouring concrete at the bottom of the steel pipe column; observing the balance measuring instrument in the pouring process, if the perpendicularity of the steel pipe column deviates, repeating the step 4) to adjust the perpendicularity of the steel pipe column again, and ensuring the accurate forming of the formed steel pipe column; after the concrete is finally set, the fourth annular block is pulled back to contract, the bolt is loosened, and the verticality adjusting structure and the positioning frame are detached; and then filling the concrete for the second time.
CN202010379750.XA 2020-05-08 2020-05-08 Precise installation and adjustment device for steel pipe column by reverse construction method and use method Active CN111535318B (en)

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CN114508126B (en) * 2022-02-24 2023-05-05 上海建工四建集团有限公司 Rock zone steel pipe column reverse construction regulation and control device and construction method
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