CN219908925U - Automatic positioning device for steel pipe pile - Google Patents

Abstract

The utility model provides an automatic positioning device for a steel pipe pile, which comprises a steel pile casing, wherein a plurality of position adjusting devices are arranged on the side wall of the steel pile casing along the circumferential direction, each position adjusting device comprises an arc-shaped plate, the arc-shaped plates are connected with the outer wall of the steel pile casing, a fixing frame is arranged on the outer sides of the arc-shaped plates, opening parts are arranged on the arc-shaped plates and the steel pile casing, a movable frame is arranged at the opening parts of the arc-shaped plates, first top rollers are arranged at the end parts of the movable frame and abut against the steel pipe pile, a first displacement sensor and at least two first hydraulic tops are arranged between the fixing frame and the movable frame, the first hydraulic tops drive the movable frame to move along the radial direction of the steel pile casing, the first displacement sensor is used for detecting the displacement of the movable frame, and the position adjusting devices are provided with a plurality of rows along the length direction of the steel pile casing.

Description

Automatic positioning device for steel pipe pile

Technical Field

The utility model relates to the field of pile foundation construction, in particular to an automatic positioning device for a steel pipe pile.

Background

Along with the strong promotion of the infrastructure in China, the steel pipe pile is applied to various fields of bridges, water engineering, municipal administration and the like, and particularly, the steel pipe pile is extremely applied to high pile wharfs.

At present, the steel pipe pile in China is large in construction difficulty and poor in positioning effect in construction, particularly when the upper part of the steel pipe pile is a pile cap with a ship backing member, the ship backing member is deviated due to the deviation of the steel pipe pile, so that the straightness along the sea side of a wharf is affected, and when the positioning frame is used for positioning, the positioning frame is complex to process and the precision is not high.

Disclosure of Invention

The utility model provides an automatic positioning device for a steel pipe pile, which solves the problems of high positioning difficulty, low precision, complicated construction by using a positioning frame and low efficiency in the traditional steel pile casing construction.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a steel-pipe pile automatic positioning device, including steel pile casing, steel pile casing lateral wall is equipped with a plurality of position adjusting device along circumference, position adjusting device includes the arc, arc and steel pile casing outer wall connection, the arc outside is equipped with the mount, arc and steel pile casing are equipped with the opening, arc opening department is equipped with removes the frame, it is equipped with first top roller to remove the frame tip, first top roller supports and leans on the steel-pipe pile, be equipped with first displacement sensor and two at least first hydraulic rams between mount and the removal frame, first hydraulic ram drive removes the frame and protects a section of thick bamboo radial movement along steel, first displacement sensor is used for detecting the displacement volume that removes the frame, position adjusting device is equipped with the multirow along steel pile casing length direction.

In the preferred scheme, the outer wall of the first top roller is in a concave arc shape or a concave V shape.

In the preferred scheme, the steel pile casing outside is equipped with a plurality of benchmark piles along circumference, is equipped with the leading truck device on the benchmark pile, and the leading truck device includes the leading truck base, is equipped with the slewing arm support on the leading truck base, and the slewing arm support tip is equipped with the second top roller, and the second top roller supports and leans on steel-pipe pile outer wall.

In the preferred scheme, the rotating arm support comprises a rear vertical arm, a middle vertical arm and a front vertical arm which are arranged in parallel, wherein the rear vertical arm, the middle vertical arm and the front vertical arm are hinged through at least two parallel rotating arms, the front vertical arm is provided with at least two second top rollers, and the connecting line of the contact points of the two second top rollers and the steel pipe pile is vertical.

In the preferred scheme, the distance between the rear vertical arm and the middle vertical arm is smaller than that between the front vertical arm and the middle vertical arm, a second displacement sensor is arranged on the middle vertical arm, a movable telescopic metering rod is arranged on the second displacement sensor, a connecting sleeve is arranged at the front end of the telescopic metering rod, a retaining spring is arranged between one end of the connecting sleeve and a fixed main body of the second displacement sensor, a roller is arranged at the other end of the connecting sleeve, and the roller abuts against the side wall of the rear vertical arm to roll.

In the preferred scheme, be equipped with the graduation carousel between benchmark stake and the leading truck device, the graduation carousel is equipped with a plurality of engaging lugs, and the benchmark stake upper end is equipped with a plurality of reference columns, and the engaging lug blocks the reference column in order to fix a position, is equipped with threaded connection's locking knob in the reference column, and the locking knob is equipped with the overhanging briquetting of towards one side, engaging lug one end opening, rotates the locking knob so that the briquetting compresses tightly the engaging lug upper end.

In the preferred scheme, a second hydraulic ram is arranged between the middle vertical arm and the rear vertical arm, and two ends of the second hydraulic ram are respectively connected with the rear vertical arm and the middle vertical arm so as to drive the rotating arm support to rotate.

The beneficial effects of the utility model are as follows: the device can realize the accurate positioning and positioning function of the steel pipe pile, ensures the inserting and driving precision of the steel pipe pile, is particularly suitable for the region with higher requirement on the inserting and driving precision of the steel pipe pile, and has higher construction efficiency compared with the traditional guide frame construction, and the precision is more guaranteed.

Drawings

The utility model is further described below with reference to the drawings and examples.

FIG. 1 is a schematic view of a steel casing and positioning device of the present utility model.

Fig. 2 is a front view of the steel casing and positioning device of the present utility model.

Fig. 3 is a top view of the steel casing and positioning device of the present utility model.

Fig. 4 is an oblique view of the positioning device of the present utility model.

Fig. 5 is a schematic view of the interior of the reaction frame of the present utility model.

Fig. 6 is a schematic view of a reference pile arrangement of the present utility model.

Fig. 7 is a schematic view of the installation of the guide frame device of the present utility model.

Fig. 8 is a structural view of a guide frame device according to the present utility model.

Fig. 9 is a schematic view of a displacement sensor of the present utility model.

Fig. 10 is a schematic view of an indexing turntable of the present utility model.

Fig. 11 is a diagram showing the state of installation of the index dial of the present utility model.

Fig. 12 is a second state diagram of the installation of the index dial of the present utility model.

In the figure: a steel casing 1; a steel pipe pile 2; a positioning device 3; a fixing frame 301; a moving rack 302; a first hydraulic ram 303; a first top roller 304; an arcuate plate 305; a reference pile 4; a positioning column 401; a guide frame device 5; a second top roller 501; a guide frame base 502; a swivel arm 503; a rear vertical arm 504; a middle vertical arm 505; front vertical arm 506; a second hydraulic ram 507; a pressure sensor 508; an index dial 6; a connecting lug 601; a first displacement sensor 7; a second displacement sensor 8; a telescoping metering rod 801; a splice sleeve 802; a roller 803; retaining spring 804; an adjustment head 805; locking the female 806; a locking knob 9; a briquette 901; a handle 902.

Detailed Description

Example 1:

1-12, an automatic steel pipe pile positioning device, including steel pile casing 1, steel pile casing 1 lateral wall is equipped with a plurality of positioner 3 along circumference, positioner 3 includes arc 305, arc 305 and steel pile casing 1 outer wall connection, the arc 305 outside is equipped with mount 301, arc 305 and steel pile casing 1 are equipped with the opening, arc 305 opening department is equipped with and removes frame 302, remove the frame 302 tip and be equipped with first top roller 304, first top roller 304 supports steel pipe pile 2, be equipped with first displacement sensor 7 and two at least first hydraulic rams 303 between mount 301 and the removal frame 302, first hydraulic ram 303 drive removes the frame 302 along steel pile casing 1 radial displacement, first displacement sensor 7 is used for detecting the displacement of removing frame 302, positioner 3 is equipped with the multirow along steel pile casing 1 length direction.

The fixing frame 301 comprises two reaction frames for installing the shell parts of the first hydraulic jacks 303, and the two first hydraulic jacks 303 can ensure the thrust balance in the process of pushing the steel pipe pile 2.

Four positioning devices 3 are arranged on each layer, at least two layers are arranged, and the verticality and the center position of the steel pipe pile 2 are adjusted by eight points.

The first displacement sensor 7 has the same structure as the second displacement sensor 8, and can detect the displacement of the movable frame 302 and communicate with the control system.

In a preferred embodiment, the outer wall of the first top roller 304 is concave arc-shaped or concave V-shaped.

The concave V-shaped structure can adapt to the outer diameters of more steel pipe piles 2, and the curvature is preferably consistent with the outer diameter of the steel pipe piles 2 when the concave arc shape is selected.

In the preferred scheme, the steel pile casing 1 outside is equipped with a plurality of benchmark piles 4 along circumference, is equipped with leading truck device 5 on the benchmark pile 4, and leading truck device 5 includes leading truck base 502, is equipped with the rotating boom on the leading truck base 502, and the rotating boom tip is equipped with second top roller 501, and second top roller 501 supports and leans on steel-pipe pile 2 outer wall.

If the second top roller 501 on the rotating arm support is single, the primary positioning effect is mainly achieved, when the steel pipe pile 2 is lowered, the second top roller 501 can be folded and gathered, when the lower end of the steel pipe pile 2 passes through the second top roller 501, the center of the steel pipe pile 2 is close to the alignment installation center, the total station and the like are used for measuring the verticality of the steel pipe pile 2, and when the steel pipe pile 2 is lowered into the steel protection barrel 1, the steel pipe pile 2 only needs to be finely adjusted through the positioning device 3.

In a preferred scheme, the rotating arm support comprises a rear vertical arm 504, a middle vertical arm 505 and a front vertical arm 506 which are arranged in parallel, the rear vertical arm 504, the middle vertical arm 505 and the front vertical arm 506 are hinged through at least two parallel rotating arms 503, the front vertical arm 506 is provided with at least two second top rollers 501, and the connecting lines of the contact points of the two second top rollers 501 and the steel pipe pile 2 are vertical.

For the situation that two second top rollers 501 are arranged on the front vertical arm 506, the steel pipe pile 2 is mainly aimed at the working conditions of offshore shallow water such as a high pile wharf, and the like, at this time, the perpendicularity monitoring device lacks a placement position, the positioning device 3 is submerged under water, visual guidance is lacking, and the steel pipe pile 2 is difficult to directly align or nearly align with the center of the steel pile casing 1.

Since the guide frame device 5 is higher than the positioning device 3 and can be exposed out of the water surface, after the second top roller 501 is folded, an obvious guiding position is determined above the water surface, the inserting and driving ship needs to align the lower end of the steel pipe pile 2 and enter the folding area, namely, the steel pipe pile 2 is basically aligned with the installation center, and the contact surfaces of the two second top rollers 501 with different heights are vertically aligned, so that the steel pipe pile 2 can be ensured to be vertical when being closely attached without an additional verticality monitoring device.

In a preferred scheme, the distance between the rear vertical arm 504 and the middle vertical arm 505 is smaller than the distance between the front vertical arm 506 and the middle vertical arm 505, the middle vertical arm 505 is provided with a second displacement sensor 8, the second displacement sensor 8 is provided with a movable telescopic metering rod 801, the front end of the telescopic metering rod 801 is provided with a connecting sleeve 802, a retaining spring 804 is arranged between one end of the connecting sleeve 802 and a fixed main body of the second displacement sensor 8, the other end of the connecting sleeve 802 is provided with a roller 803, and the roller 803 rolls against the side wall of the rear vertical arm 504.

The first displacement sensor 7 and the second displacement sensor 8 are electrically connected to the control system.

The roller 803 is mounted on the adjusting head 805, the adjusting head 805 is screwed on the engagement sleeve 802 and locked by the locking nut 806, so as to conveniently adjust the extension length of the adjusting head 805.

When the swivel arm 503 rotates, the distance from the front vertical arm 506 to the middle vertical arm 505 is always proportional to the distance from the rear vertical arm 504 to the middle vertical arm 505, and the second displacement sensor 8 and the second hydraulic ram 507 can be formed to be shorter as required.

In the preferred scheme, be equipped with graduation carousel 6 between benchmark stake 4 and the leading truck device 5, graduation carousel 6 is equipped with a plurality of engaging lugs 601, and benchmark stake 4 upper end is equipped with a plurality of reference columns 401, and engaging lugs 601 block reference column 401 in order to fix a position, is equipped with threaded connection's locking knob 9 in the reference column 401, and locking knob 9 is equipped with the overhanging briquetting 901 towards one side, engaging lug 601 one end opening, rotates locking knob 9 so that briquetting 901 compresses tightly engaging lug 601 upper end.

The connecting lug 601 is of a U-shaped structure, the handle 902 stretching out in the same direction with the pressing block 901 is arranged at the upper end of the locking knob 9, the locking knob 9 is rotated to loosen the connecting lug 601, and when the opening of the pressing block 901 and the opening of the connecting lug 601 are in the same direction, the indexing turntable 6 can be pulled out, and similarly, the indexing turntable 6 can be installed rapidly.

The inside of the indexing turntable 6 is connected with a worm wheel, a worm is connected with an adjusting handle, and a dial is sleeved at the adjusting handle, so that the angle can be conveniently and accurately adjusted.

In a preferred scheme, a second hydraulic jack 507 is arranged between the middle vertical arm 505 and the rear vertical arm 504, and two ends of the second hydraulic jack 507 are respectively connected with the rear vertical arm 504 and the middle vertical arm 505 to drive the rotating arm support to rotate.

The control system controls the pushing-out amount of the second hydraulic ram 507 through a pressure and flow control valve, so that the second ram 501 is ensured to be tightly attached to the outer wall of the steel pipe pile 2.

Example 2:

comprises a construction method, a construction method and a construction system,

s1, driving the steel pile casing 1 into a stratum, and measuring the circle center of the steel pile casing 1 on the plane of the multilayer positioning device 3;

s2, installing a positioning device 3;

s3, connecting a signal transmission system and a control system, and resetting the stroke of the first hydraulic jack 303 of the jack;

s4, inputting the center coordinates of the steel pile casing 1, the designed center coordinates of the steel pipe pile 2 and the included angles between the actual axes of the virtual cylinder and the designed coordinate axes formed by the plurality of positioning devices 3;

s5, the control system adjusts the stroke of the first hydraulic jack 303 according to the recorded information, so that the circle center of the steel pipe pile 2 is ensured to reach the design position, and the verticality meets the requirement;

s6, inserting and driving the steel pipe pile 2;

s7, removing the positioning device 3 and pulling out the steel casing 1;

and S8, repeating the steps S1-S7 until all the steel pipe pile construction is completed.

In a preferred scheme, the method further comprises the following expansion method:

s11, measuring the required insertion positions of a plurality of steel pipe piles 2;

s12, inserting and driving a reference pile 4 at the midpoint position of the adjacent steel pipe piles 2;

s13, selecting the position of the steel pipe pile 2 to be installed, and inserting and driving the steel pile casing 1 by taking the position as the center of a circle;

s14, arranging and installing a positioning device 3 on the outer wall of the steel casing 1 in a ring shape, and installing multiple layers of positioning devices 3;

s15, installing indexing turntables 6 on the reference piles 4 around the steel pile casing 1, and installing guide frame devices 5 on each indexing turntable 6;

s16, electrically connecting the positioning device 3 and the guide frame device 5 with a signal transmission system and a control system;

s17, the inserting and driving device moves the steel pipe pile 2 downwards into the steel casing 1 and approaches the stratum;

s18, controlling the rotating arm frames of the guide frame devices 5 to be folded towards the center according to the diameter of the outer wall of the steel pipe pile 2 so as to be tightly attached to the outer arm of the steel pipe pile 2;

s19, horizontally moving the inserting and driving device to change the position of the middle shaft of the steel pipe pile 2, so that the degree of adhesion of each second top roller 501 and the outer wall of the steel pipe pile 2 is equivalent;

s110, inputting the center coordinates of the steel pile casing 1, the designed center coordinates of the steel pipe pile 2 and the included angles between the actual axes of the virtual cylinder and the designed coordinate axes formed by the plurality of positioning devices 3;

s111, the control system adjusts the stroke of the first hydraulic jack 303 according to the recorded information, so that the circle center of the steel pipe pile 2 is ensured to reach the design position, and the verticality meets the requirement;

s112, monitoring the value of the pressure sensor 508, and inserting the steel pipe pile 2 by the inserting and driving device;

s113, removing the positioning device 3, extracting the steel pile casing 1, and installing the steel pile casing 1 and the positioning device 3 to the position of the adjacent steel pipe pile 2 to be installed next;

s114, rotating the index rotary table 6 on the reference pile 4 adjacent to the steel pipe pile 2, dismantling the index rotary table 6 on the reference pile 4 not adjacent to the steel pipe pile 2 and installing the index rotary table 6 on the spare reference pile 4 around the steel pipe pile 2;

s115, repeating S13-S114 until all the steel pipe pile construction is completed, removing the positioning device 3, the indexing turntable 6 and the guide frame device 5, and pulling out all the steel pile casings 1 and the reference piles 4.

Example 3:

an automatic positioning and positioning device for a steel pipe pile and a construction method thereof are characterized in that: comprises a positioning system, a steel casing, a signal transmission system and a control system;

the diameter of the steel pile casing is larger than that of the steel pipe pile to be inserted and driven, and the steel pile is inserted and driven into the stratum before the steel pipe pile is inserted and driven;

the positioning system comprises an upper layer and a lower layer, wherein each layer is provided with 4 symmetrical positioning units which are fixed on the steel casing;

one end of the signal transmission system is connected with the positioning system, receives the position signal of the positioning system, and the other end of the signal transmission system is connected with the control system, transmits the signal to the control system and transmits the positioning signal transmitted by the control system to the positioning system;

after the steel pile casing is driven into a stratum, circle center coordinates of planes where two layers of positioning units are located are input into a control system through measurement, angles of connecting lines of the symmetrical positioning units and a coordinate system shaft are input into the control system, the system automatically calculates verticality of the steel pile casing according to the two circle center coordinates, the inserted steel pipe pile circle center coordinates are input into the control system in advance, the control system automatically calculates differences between the circle center coordinates and the steel pipe pile coordinates, and the telescopic length of the positioning units is adjusted, so that the circle center of the steel pipe pile reaches a designed position, and the two layers of positioning units can ensure that the verticality of the steel pipe pile meets design accuracy.

In the preferred scheme, the positioning system comprises a positioning plate, a roller fixing plate, a roller positioning plate, a jack, a hinge structure and a reaction frame.

The two layers of the positioning system are arranged up and down, so that the perpendicularity of the steel pipe pile can meet the requirement when the positioning system is used for positioning;

the positioning plate is an arc plate with a hole in the middle, the inner diameter of the positioning plate is the same as the outer diameter of the steel pile casing, the positioning plate is connected with the steel pile casing through a bolt, and a bolt hole is formed in the position of the bolt;

the roller is an arc pile roller with small middle diameter and large diameters at two sides, and the arc radius of the roller is the same as the outer diameter of the steel pipe pile;

the roller fixing plate is of two plate-shaped structures, the front end of the roller fixing plate is connected with two ends of the roller, the roller is fixed, the displacement and rotation except the axis of the roller are restrained, the roller can only rotate along the axis of the roller, and the rear end of the roller fixing plate is fixed with the roller positioning plate;

the roller positioning plate is of a sheet pile structure, two ends of the roller positioning plate are fixed with the roller fixing plate, the rear of the roller positioning plate is fixed with the hinge structure, and the roller positioning plate is hinged with the jack through the hinge structure;

the front section of each jack is provided with a hinge structure, the front section of each jack is connected with a roller positioning plate in a hinge mode through the hinge structure, each positioning unit comprises two jacks, and the roller can stretch in the horizontal direction and rotate to a certain extent through lifting of the two jacks;

the hinge structure is respectively connected with the roller positioning plate and the jack, so that the roller positioning plate can rotate in the horizontal direction;

the reaction frame is fixed on the locating plate, and the inside of the reaction frame is fixedly connected with the jack.

In the preferred scheme, the steel casing is provided with holes at the corresponding positions of the roller, and the size of the holes is slightly larger than that of the roller.

In the preferred scheme, the signal transmission system can transmit jack stroke data, after the device is positioned and cleared, the jack stroke data is transmitted to the control system, the computer calculates and converts the jack stroke data into steel pile casing circle center data, the jack stroke is obtained by comparing the steel pile circle center data with the steel pile circle center coordinates, the jack stroke is transmitted to the jack, the jack is adjusted, and the circle center is aligned with the design coordinates when the steel pile is driven.

In the preferred scheme, the control system has a calculation function, calculates the jack stroke corresponding to the circle center coordinates of the circle surrounded by the roller and the design circle center coordinates according to the jack stroke after zero clearing, the steel protection cylinder circle center coordinates, the steel pipe pile design circle center coordinates and the included angle information between the axis of the positioning unit and the design coordinate axes, and transmits signals to the jack to enable the jack to be automatically adjusted.

In a preferred scheme, the positioning system is characterized in that: the reaction frame comprises: a top bottom plate, a jack supporting plate, a jack fixing plate and stiffening rib plates;

each component of the reaction frame is of a plate-shaped structure;

the top and bottom plates are horizontal, the front section is an arc edge, the circle center and the radius are the same as those of the steel pile casing, the other three sides are straight lines, and the arc edge is fixed on the positioning plate;

the jack supporting plate is vertical, the upper end and the lower end of the jack supporting plate are fixedly connected with the top bottom plate, and the inside of the jack supporting plate is fixed with the jack and used as a jack supporting point;

the jack fixing plate is vertical, the upper end and the lower end of the jack fixing plate are fixedly connected with the top bottom plate, the jack fixing plate is positioned in front of the jack supporting plate, and the middle part of the jack fixing plate is provided with a hole for fixing the jack;

the stiffening rib plates are vertical and perpendicular to the jack fixing plates, and the upper end and the lower end of the stiffening rib plates are fixedly connected with the top plate and the bottom plate.

The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (7)

1. An automatic positioning device for steel pipe piles is characterized in that: including steel pile casing (1), steel pile casing (1) lateral wall is equipped with a plurality of position adjusting device (3) along circumference, position adjusting device (3) include arc (305), arc (305) are equipped with mount (301) with steel pile casing (1) outer wall connection, arc (305) are equipped with the opening with steel pile casing (1), arc (305) opening department is equipped with removes frame (302), remove frame (302) tip is equipped with first top roller (304), first top roller (304) are supported against steel pipe pile (2), be equipped with first displacement sensor (7) and two at least first hydraulic rams (303) between mount (301) and removal frame (302), first hydraulic ram (303) drive remove frame (302) along steel pile casing (1) radial movement, first displacement sensor (7) are used for detecting the displacement volume of removing frame (302), position adjusting device (3) are equipped with the multirow along steel pile casing (1) length direction.

2. The automatic positioning device for steel pipe piles according to claim 1, wherein: the outer wall of the first top roller (304) is of a concave arc shape or a concave V shape.

3. The automatic positioning device for steel pipe piles according to claim 1, wherein: the steel pile casing (1) outside is equipped with a plurality of benchmark stake (4) along circumference, is equipped with leading truck device (5) on benchmark stake (4), and leading truck device (5) are equipped with the slewing boom including leading truck base (502) on leading truck base (502), and slewing boom tip is equipped with second top roller (501), and second top roller (501) are supported and are leaned on steel-pipe pile (2) outer wall.

4. The automatic steel pipe pile positioning device according to claim 3, wherein: the rotating arm support comprises a rear vertical arm (504), a middle vertical arm (505) and a front vertical arm (506) which are arranged in parallel, wherein the rear vertical arm (504), the middle vertical arm (505) and the front vertical arm (506) are hinged through at least two parallel rotating arms (503), the front vertical arm (506) is provided with at least two second top rollers (501), and the connecting line of the contact points of the two second top rollers (501) and the steel pipe pile (2) is vertical.

5. The automatic positioning device for steel pipe piles according to claim 4, wherein: the distance between the rear vertical arm (504) and the middle vertical arm (505) is smaller than the distance between the front vertical arm (506) and the middle vertical arm (505), the middle vertical arm (505) is provided with a second displacement sensor (8), the second displacement sensor (8) is provided with a movable telescopic metering rod (801), the front end of the telescopic metering rod (801) is provided with a connecting sleeve (802), a retaining spring (804) is arranged between one end of the connecting sleeve (802) and a fixed main body of the second displacement sensor (8), the other end of the connecting sleeve (802) is provided with a roller (803), and the roller (803) is propped against the side wall of the rear vertical arm (504) to roll.

6. The automatic positioning device for steel pipe piles according to claim 5, wherein: be equipped with between benchmark stake (4) and leading truck device (5) graduation carousel (6), graduation carousel (6) are equipped with a plurality of engaging lugs (601), benchmark stake (4) upper end is equipped with a plurality of reference columns (401), engaging lug (601) block reference column (401) in order to fix a position, be equipped with threaded connection's locking knob (9) in reference column (401), locking knob (9) are equipped with overhanging briquetting (901) towards one side, engaging lug (601) one end opening, rotate locking knob (9) so that briquetting (901) compress tightly engaging lug (601) upper end.

7. The automatic positioning device for steel pipe piles according to any one of claims 3 to 5, wherein: a second hydraulic jack (507) is arranged between the middle vertical arm (505) and the rear vertical arm (504), and two ends of the second hydraulic jack (507) are respectively connected with the rear vertical arm (504) and the middle vertical arm (505) to drive the rotating arm support to rotate.