Butt joint locking device for barrel type foundation and negative pressure penetration equipment

Abstract

The invention discloses a butt-joint locking device for a bucket foundation and negative pressure penetration equipment. The butt-joint locking device comprises an equipment butt-joint device and a bucket foundation butt-joint device. The equipment butt-joint device comprises an equipment butt-joint frame and an equipment butt-joint plate; the equipment butt-joint frame is bridged between the middle parts of two cross rods of the equipment bottom frame; the equipment butt-joint plate is mounted in the equipment butt-joint frame; a locking groove is formed in the middle part of each of four edges of the equipment butt-joint plate; a locking mechanism is arranged in each locking groove; the barrel foundation butt joint device comprises an equipment guiding device and a barrel foundation butt joint table. The equipment positioning device comprises a coarse positioning mechanism and four fine positioning guide pipes; the barrel foundation butt-joint table comprises a barrel foundation butt-joint frame and a barrel foundation butt-joint plate which is the same as the equipment butt-joint plate in shape and size; the middles of the four edges of the bucket base butt joint plate are each provided with a buckling and locking groove matched with and corresponding to the locking groove. According to the invention, through the locking mechanisms and the buckling and locking mechanisms, automatic fixing and unlocking in the butt joint process of the negative pressure penetration equipment and the barrel type foundation can be realized.

Description

TECHNICAL FIELD

[0001] The present application relates to a butt joint locking device of a bucket foundation and a negative pressure sinking equipment. BACKGROUND

[0002] In recent years, China's offshore wind power projects have developed rapidly, and the hydrological and geological conditions of wind farms are becoming more and more severe and complex. The construction difficulty and cost of offshore wind power using traditional single pile and high pile cap structure are becoming higher and higher. As a non-driving shallow foundation, the bucket foundation has large diameter and small height, and the negative pressure sinking equipment is usually used to realize the sinking of the bucket foundation under the suction negative pressure. From the engineering exploration cost and steel consumption, it is more economical. However, there are few offshore bucket foundations at present, and the reliability and maintenance cost of the bucket foundation are high due to the very poor working conditions during construction. The butt joint locking methods of the bucket foundation and the negative pressure sinking equipment at home and abroad at present mainly include: (1) welding a right-angle plate on the outer surface of the bucket foundation, and fixing and unlocking the negative pressure sinking equipment through a pin shaft; (2) fixing and unlocking through a hydraulic cylinder controlled buckle. In the butt joint locking method of (1) above, the pin shaft needs to be manually assembled and disassembled, which is complicated and low in efficiency; and when the equipment is replaced underwater, the diver needs to dive to remove the pin shaft, which has certain construction safety hazards; in the butt joint locking method of (2) above, the hydraulic buckle cannot be unlocked after being clamped, and needs to be cut by a diver, which is too risky. SUMMARY

[0003] The present application aims to overcome the existing defects and provide a butt joint locking device of a bucket foundation and a negative pressure sinking equipment, which can automatically fix and unlock the negative pressure sinking equipment and simplify the butt joint process of the negative pressure sinking equipment and the bucket foundation.

[0004] The technical solution to achieve the above-mentioned purpose is: a butt joint locking device of a bucket foundation and a negative pressure sinking equipment, which is used to install the negative pressure sinking equipment on the top surface of the bucket foundation, the negative pressure sinking equipment is installed in a device frame, the device frame is a rectangular box and includes four device columns, a device top frame connected to the top of the four columns, a device bottom frame connected to the bottom of the four columns, and four butt joint rods one-to-one coaxially connected to the bottom of the four columns; the butt joint locking device includes a device butt joint device and a bucket foundation butt joint device.

[0005] The device docking device comprises a device docking frame bridged between the middle portions of the two horizontal rods of the device bottom frame and a device docking plate installed in the device docking frame, and a rectangular locking groove is formed in the middle portion of each of the four edges of the device docking plate; a locking mechanism is arranged in each locking groove; the locking mechanism comprises a U-shaped locking rod bridged between the outer portions of the side walls of the locking groove, a Π-shaped clamping plate fixing bracket fixed in the middle portion of the bottom wall of the locking groove, and a pair of L-shaped elastic clamping plates fixed in the middle portions of the inner and outer side faces of the top horizontal beam of the clamping plate fixing bracket respectively; the horizontal portions of the pair of elastic clamping plates are located below the top horizontal beam of the clamping plate fixing bracket;

[0006] The barrel base docking device comprises a device guiding device and a barrel base docking table;

[0007] The device positioning device comprises a coarse positioning mechanism and four fine positioning guide tubes; wherein,

[0008] The coarse positioning mechanism comprises a pair of front coarse positioning guide rods, a pair of rear coarse positioning guide rods and a pair of side coarse positioning guide rods; the pair of rear coarse positioning guide rods and the pair of front coarse positioning guide rods are fixed oppositely on the top surface of the barrel base, and the spacing between the pair of rear coarse positioning guide rods and the pair of front coarse positioning guide rods is adapted to the planar width of the device frame; the pair of side coarse positioning guide rods are fixed on the top surface of the barrel base and located on the lateral center line of the rectangle formed by the connecting line of the axis centers of the pair of front coarse positioning guide rods and the pair of rear coarse positioning guide rods and one-to-one correspondingly on the two sides of the pair of rear coarse positioning guide rods and the pair of front coarse positioning guide rods, and the spacing of the pair of side coarse positioning guide rods is adapted to the planar length of the device frame;

[0009] The rectangle formed by the axis centers of the four fine positioning guide tubes is adapted to the rectangle formed by the axis centers of the four docking rods of the device frame, and the four fine positioning guide tubes are fixed concentrically on the top surface of the barrel base with the rectangle formed by the axis centers of the four fine positioning guide tubes and the rectangle formed by the connecting line of the axis centers of the pair of front coarse positioning guide rods and the pair of rear coarse positioning guide rods;

[0010] The barrel base docking table comprises a barrel base docking frame and a barrel base docking plate; wherein,

[0011] The barrel base docking frame is installed between the middle portions of the two front coarse positioning guide rods and the middle portions of the two rear coarse positioning guide rods;

[0012] The barrel base docking plate is installed in the barrel base docking frame, the shape and size of the barrel base docking plate are the same as the shape and size of the equipment docking plate, a buckling slot corresponding to the locking slot is formed in the middle of each of the four edges of the barrel base docking plate; a buckling mechanism is arranged in each buckling slot; the buckling mechanism comprises a fixed shaft crossing between the middle of the side walls of the buckling slot, a cross-shaped buckle rotatably installed on the fixed shaft, a rectangular guide rail plate fixed in the middle of the bottom wall of the buckling slot and vertically upward to the barrel base docking plate, an L-shaped buckling frame installed on the guide rail plate and a baffle fixed on the top outer side surface of the guide rail plate; a rectangular guide hole passing through the bottom surface of the buckling frame and corresponding to the width of the guide rail plate is formed in the middle of the vertical part of the buckling frame, so that the buckling frame is slidably installed on the guide rail plate through the guide hole, and the horizontal part of the buckling frame is located on the top surface of the buckle; the length of the buckling frame is less than the inner width of the clamping plate fixing frame in the locking mechanism.

[0013] The barrel base docking plate is installed in the barrel base docking frame, the shape and size of the barrel base docking plate are the same as the shape and size of the equipment docking plate, a buckling slot corresponding to the locking slot is formed in the middle of each of the four edges of the barrel base docking plate; a buckling mechanism is arranged in each buckling slot; the buckling mechanism comprises a fixed shaft crossing between the middle of the side walls of the buckling slot, a cross-shaped buckle rotatably installed on the fixed shaft, a rectangular guide rail plate fixed in the middle of the bottom wall of the buckling slot and vertically upward to the barrel base docking plate, an L-shaped buckling frame installed on the guide rail plate and a baffle fixed on the top outer side surface of the guide rail plate; a rectangular guide hole passing through the bottom surface of the buckling frame and corresponding to the width of the guide rail plate is formed in the middle of the vertical part of the buckling frame, so that the buckling frame is slidably installed on the guide rail plate through the guide hole, and the horizontal part of the buckling frame is located on the top surface of the buckle; the length of the buckling frame is less than the inner width of the clamping plate fixing frame in the locking mechanism.

[0014] The barrel base docking plate is installed in the barrel base docking frame, the shape and size of the barrel base docking plate are the same as the shape and size of the equipment docking plate, a buckling slot corresponding to the locking slot is formed in the middle of each of the four edges of the barrel base docking plate; a buckling mechanism is arranged in each buckling slot; the buckling mechanism comprises a fixed shaft crossing between the middle of the side walls of the buckling slot, a cross-shaped buckle rotatably installed on the fixed shaft, a rectangular guide rail plate fixed in the middle of the bottom wall of the buckling slot and vertically upward to the barrel base docking plate, an L-shaped buckling frame installed on the guide rail plate and a baffle fixed on the top outer side surface of the guide rail plate; a rectangular guide hole passing through the bottom surface of the buckling frame and corresponding to the width of the guide rail plate is formed in the middle of the vertical part of the buckling frame, so that the buckling frame is slidably installed on the guide rail plate through the guide hole, and the horizontal part of the buckling frame is located on the top surface of the buckle; the length of the buckling frame is less than the inner width of the clamping plate fixing frame in the locking mechanism.

[0015] The barrel base docking plate is installed in the barrel base docking frame, the shape and size of the barrel base docking plate are the same as the shape and size of the equipment docking plate, a buckling slot corresponding to the locking slot is formed in the middle of each of the four edges of the barrel base docking plate; a buckling mechanism is arranged in each buckling slot; the buckling mechanism comprises a fixed shaft crossing between the middle of the side walls of the buckling slot, a cross-shaped buckle rotatably installed on the fixed shaft, a rectangular guide rail plate fixed in the middle of the bottom wall of the buckling slot and vertically upward to the barrel base docking plate, an L-shaped buckling frame installed on the guide rail plate and a baffle fixed on the top outer side surface of the guide rail plate; a rectangular guide hole passing through the bottom surface of the buckling frame and corresponding to the width of the guide rail plate is formed in the middle of the vertical part of the buckling frame, so that the buckling frame is slidably installed on the guide rail plate through the guide hole, and the horizontal part of the buckling frame is located on the top surface of the buckle; the length of the buckling frame is less than the inner width of the clamping plate fixing frame in the locking mechanism.

[0016] The barrel base docking plate is installed in the barrel base docking frame, the shape and size of the barrel base docking plate are the same as the shape and size of the equipment docking plate, a buckling slot corresponding to the locking slot is formed in the middle of each of the four edges of the barrel base docking plate; a buckling mechanism is arranged in each buckling slot; the buckling mechanism comprises a fixed shaft crossing between the middle of the side walls of the buckling slot, a cross-shaped buckle rotatably installed on the fixed shaft, a rectangular guide rail plate fixed in the middle of the bottom wall of the buckling slot and vertically upward to the barrel base docking plate, an L-shaped buckling frame installed on the guide rail plate and a baffle fixed on the top outer side surface of the guide rail plate; a rectangular guide hole passing through the bottom surface of the buckling frame and corresponding to the width of the guide rail plate is formed in the middle of the vertical part of the buckling frame, so that the buckling frame is slidably installed on the guide rail plate through the guide hole, and the horizontal part of the buckling frame is located on the top surface of the buckle; the length of the buckling frame is less than the inner width of the clamping plate fixing frame in the locking mechanism.

[0017] The barrel base docking plate is installed in the barrel base docking frame, the shape and size of the barrel base docking plate are the same as the shape and size of the equipment docking plate, a buckling slot corresponding to the locking slot is formed in the middle of each of the four edges of the barrel base docking plate; a buckling mechanism is arranged in each buckling slot; the buckling mechanism comprises a fixed shaft crossing between the middle of the side walls of the buckling slot, a cross-shaped buckle rotatably installed on the fixed shaft, a rectangular guide rail plate fixed in the middle of the bottom wall of the buckling slot and vertically upward to the barrel base docking plate, an L-shaped buckling frame installed on the guide rail plate and a baffle fixed on the top outer side surface of the guide rail plate; a rectangular guide hole passing through the bottom surface of the buckling frame and corresponding to the width of the guide rail plate is formed in the middle of the vertical part of the buckling frame, so that the buckling frame is slidably installed on the guide rail plate through the guide hole, and the horizontal part of the buckling frame is located on the top surface of the buckle; the length of the buckling frame is less than the inner width of the clamping plate fixing frame in the locking mechanism.

[0018] The negative pressure sinking equipment is installed and fixed on the barrel foundation without manual participation, realizes mechanical fixing of the negative pressure sinking equipment, simplifies the docking process of the negative pressure sinking equipment and the barrel foundation, can guarantee the reliability of the installation and fixation of the negative pressure sinking equipment on the barrel foundation, can realize automatic fixation and unlocking of the negative pressure sinking equipment, achieves the purpose of quick installation and recovery of the whole negative pressure sinking equipment, greatly shortens the construction period of offshore construction engineering, reduces the debugging work in the working process of the negative pressure sinking equipment, and enhances the competitiveness of the construction unit. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the installation position of the docking and locking device of the barrel foundation and the negative pressure sinking equipment on the barrel foundation of the present application;

[0020] Figure 2 is a bottom view of the equipment frame in the docking and locking device of the barrel foundation and the negative pressure sinking equipment of the present application;

[0021] Figure 2a is a perspective view of the equipment docking plate in the equipment frame of the present application;

[0022] Figure 3 is a perspective view of the barrel base docking device in the docking and locking device of the barrel foundation and the negative pressure sinking equipment of the present application;

[0023] Figure 3a is a perspective view of the barrel base docking plate in the barrel base docking device of the present application;

[0024] Figure 4 is a perspective view of the docking and locking device of the barrel foundation and the negative pressure sinking equipment of the present application when locked;

[0025] Figure 5 is a front view of the negative pressure sinking equipment locked on the barrel base docking device after the docking and locking device of the barrel foundation and the negative pressure sinking equipment of the present application is locked;

[0026] Figure 5a is Figure 5 a bottom view;

[0027] Figure 6 is a perspective view of the docking and locking device of the barrel foundation and the negative pressure sinking equipment of the present application when unlocked;

[0028] Figure 7 a, 7b, 7c are simplified action process diagrams of the docking and locking device of the barrel foundation and the negative pressure sinking equipment of the present application when locked. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0030] Please refer to Figures 1 to 7 c, the butt locking device of the barrel foundation and the negative pressure sinking equipment of the present application, is used for installing the negative pressure sinking equipment 100 on the top surface of the barrel foundation 200, the negative pressure sinking equipment 100 is installed in a device frame 10, the device frame 10 is a rectangular box and includes four device columns, a device top frame connected to the top of the four columns, a device bottom frame connected to the bottom of the four columns, and four butt rods 10A connected coaxially to the bottom of the four columns one by one.

[0031] The butt locking device includes a device butt device and a barrel base butt device.

[0032] The device butt device includes a device butt frame across the middle of the two horizontal rods of the device bottom frame and a device butt plate 10B installed in the device butt frame, the middle of the four edges of the device butt plate 10B is provided with a rectangular locking slot 11; a locking mechanism is arranged in each locking slot 11; the locking mechanism includes a U-shaped locking rod 12 across the outside of the side walls of the locking slot 11, a Π-shaped clamp plate fixing bracket 13 fixed in the middle of the bottom wall of the locking slot 11, and a pair of L-shaped elastic clamp plates 14 fixed one by one in the middle of the outer side surfaces of the top horizontal beams of the clamp plate fixing bracket 13; the horizontal part of the pair of elastic clamp plates 14 is below the top horizontal beam of the clamp plate fixing bracket 13, and the end surfaces of the pair of elastic clamp plates 14 are both inclined surfaces.

[0033] The barrel base butt device includes a device guide device and a barrel base butt table.

[0034] The device positioning device includes a coarse positioning mechanism and four fine positioning guide pipes 20A; wherein,

[0035] The coarse positioning mechanism includes a pair of front coarse positioning guide rods 21, a pair of rear coarse positioning guide rods 22, and a pair of side coarse positioning guide rods 23; wherein, the pair of rear coarse positioning guide rods 21 and the pair of front coarse positioning guide rods 22 are oppositely fixed on the top surface of the barrel foundation 200, the spacing between the pair of rear coarse positioning guide rods 22 and the pair of front coarse positioning guide rods 21 is adapted to the planar width of the device frame 10; the pair of side coarse positioning guide rods 23 are fixed on the top surface of the barrel foundation 200 and located on the lateral center line of the rectangle formed by the axis of the pair of front coarse positioning guide rods 21 and the axis of the pair of rear coarse positioning guide rods 22 and one by one on the two sides of the pair of rear coarse positioning guide rods 22 and the pair of front coarse positioning guide rods 21, the spacing of the pair of side coarse positioning guide rods 23 is adapted to the planar length of the device frame 10; the upper part of the pair of front coarse positioning guide rods 21, the upper part of the pair of rear coarse positioning guide rods 22, and the upper part of the pair of side coarse positioning guide rods 23 are each outwardly bent by 30°-45°;

[0036] The rectangle formed by the axis lines of the four fine positioning guide pipes 20A is adapted to the rectangle formed by the axis lines of the four butt rods 10A of the equipment frame 10, and the four fine positioning guide pipes 20A are concentrically fixed on the top surface of the barrel foundation 200 with the rectangle formed by the axis lines of the four fine positioning guide pipes 20A being concentric with the rectangle formed by the axis lines of the pair of front coarse positioning guide rods 21 and the pair of rear coarse positioning guide rods 22; the top of each fine positioning guide pipe 20A is connected with a large-to-small horn-shaped guide port; two transverse reinforcing rods 24 and two longitudinal reinforcing rods 25 are arranged between the middle portions of the four fine positioning guide pipes 20A; the two side coarse positioning guide rods 23 are correspondingly fixed on the two longitudinal reinforcing rods 25; and the pair of front coarse positioning guide rods 21 and the pair of rear coarse positioning guide rods 22 are correspondingly fixed on the two transverse reinforcing rods 24.

[0037] The barrel base butt joint table 3 comprises a barrel base butt joint frame 30 and a barrel base butt joint plate 30A; wherein,

[0038] The barrel base butt joint frame 30 is arranged between the middle portions of the two front coarse positioning guide rods 21 and the two rear coarse positioning guide rods 22;

[0039] The barrel base butt joint plate 30A is arranged in the barrel base butt joint frame 30, and the shape and size of the barrel base butt joint plate 30A are the same as those of the equipment butt plate 10B; a buckle slot 31 is formed in the middle portion of each of the four edges of the barrel base butt joint plate 30A, and the buckle slot 31 is adapted to and corresponds to the locking slot 11; a buckle locking mechanism is arranged in each buckle slot 31; the buckle locking mechanism comprises a fixed shaft 32 which is arranged across the middle portions of the side walls of the buckle slot 31, a buckle 33 which is rotatably arranged on the fixed shaft 32, a rectangular guide rail plate 34 which is fixed to the middle portion of the bottom wall of the buckle slot 31 and vertically extends upwardly relative to the barrel base butt joint plate 30A, an L-shaped buckle locking frame 36 which is arranged on the guide rail plate 34, and a baffle plate 35 which is fixed to the top outer side surface of the guide rail plate 34; the cross section of the buckle 33 is cross-shaped and comprises an inner horizontal portion 33a, an outer horizontal portion 33b, an upper vertical portion 33c and a lower vertical portion 33d; the outer horizontal portion 33b is opposite to the locking rod 12 of the locking mechanism; a rectangular guide hole is formed in the middle portion of the vertical portion of the buckle locking frame 36, and the guide hole is connected to the bottom surface of the buckle locking frame 36 and is adapted to the width of the guide rail plate 34, so that the buckle locking frame 36 is slidably arranged on the guide rail plate 24 through the guide hole, and the horizontal portion of the buckle locking frame 36 is located on the top surface of the inner horizontal portion 33a of the buckle 33; the length of the buckle locking frame 36 is smaller than the inner width of the clamping plate fixing frame 13 of the locking mechanism.

[0040] The butt joint locking device of the barrel foundation and the negative pressure sinking equipment of the present application is used for the sinking construction of the barrel foundation 200 on the sea, and the following steps are performed:

[0041] 1) first, the whole negative pressure sinking equipment 100 is hoisted by the crane, the posture of the negative pressure sinking equipment 100 is adjusted, the negative pressure sinking equipment 100 is hoisted to the upper side of the barrel base docking device, then the equipment frame 10 enters the coarse positioning mechanism along the guide port of the coarse positioning mechanism, and then the negative pressure sinking equipment 100 is lowered along the pair of side coarse positioning guide rods 23, the pair of front coarse positioning guide rods 21 and the pair of rear coarse positioning guide rods 22;

[0042] 2) the four docking rods 10A of the equipment frame 10 enter the four precision positioning guide pipes 20A one by one along the trumpet-shaped guide ports of the four precision positioning guide pipes 20A, until the negative pressure sinking equipment 100 sits on the barrel base docking table, the crane stops and unhooking;

[0043] 3) in the process of lowering the negative pressure sinking equipment 100, the locking rods 12 of the four locking mechanisms on the equipment docking plate 10B press the outer horizontal parts 33b of the four buckles 33 on the barrel base docking plate 30A one by one, so that the four buckles 33 rotate clockwise (see Figure 7 a), until the upper vertical part 33c turns to the position of the outer horizontal part 33b, and the inner horizontal part 33a of the buckle 33 lifts the buckle frame 36 upwards, so that the buckle frame 36 enters the clamping plate fixing frame 13 of the corresponding locking mechanism, until the top of the buckle frame 36 is inserted between the pair of elastic clamping plates 14 of the corresponding clamping plate fixing frame 13, the inclined surface of the end face of the horizontal part of the pair of elastic clamping plates 14 facilitates the insertion of the top of the buckle frame 36 (see Figure 7 b); until the inner horizontal part 33a of the buckle 33 turns to the position of the upper vertical part 33c, and the lower vertical part 33d of the buckle 33 turns to the position of the inner horizontal part 33a, at this time, the inner horizontal part 33a of the buckle 33 is separated from the bottom of the buckle frame 36, and then the buckle frame 36 descends with the equipment docking plate 10B, so that the horizontal part of the buckle frame 36 is located on the top surface of the lower vertical part 33d of the buckle 33, at this time, the locking rod 12 is pressed on the bottom of the upper vertical part 33c (see Figure 7 c), at this time, the equipment docking plate 10B is seated and locked on the barrel base docking plate 30A, that is, the negative pressure sinking equipment 100 is locked on the barrel base docking table 3;

[0044] 4) After the completion of the offshore negative pressure sinking of the bucket foundation 200, the negative pressure sinking equipment 100 is lifted out by the crane. During the lifting process, the locking rods 12 of the four locking mechanisms on the equipment docking plate 10B correspondingly jack up the upper vertical parts 33c of the four buckling mechanisms 33 on the bucket foundation docking plate 30A (which are located at the position of the outer horizontal parts 33b), so that the four buckling mechanisms 33 rotate counterclockwise, and the upper vertical parts 33c of the four buckling mechanisms 33 return to the original position. Meanwhile, a pair of elastic clamping plates 14 of the four locking mechanisms on the equipment docking plate 10B correspondingly take the four buckling frames 36 upwards, so that the buckling frames 36 avoid the inner horizontal parts 33a of the buckling mechanisms 33 and return to the original position. At this time, the baffle plates 35 on the guide rail plates 34 are clamped on the top surface of the horizontal parts of the buckling frames 36 to prevent the buckling frames 36 from continuing to rise with the equipment docking plate 10B, so that the top of the buckling frames 36 is out of the pair of elastic clamping plates 14, and then the buckling frames 36 return to the top surface of the inner horizontal parts 33a of the buckling mechanisms 33 due to gravity. Thus, the equipment docking plate 10B is unlocked with the bucket foundation docking plate 30A, that is, the negative pressure sinking equipment 100 is unlocked with the bucket foundation docking platform 3, and the negative pressure sinking equipment 100 is lifted out of the bucket foundation docking device for the next sinking construction of the bucket foundation.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacements for part or all of the technical features. The modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A docking and locking device for a barrel foundation and a negative pressure oscillation device, used to install the negative pressure oscillation device on the top surface of the barrel foundation. The negative pressure oscillation device is installed within a device frame, the device frame being a rectangular box and including four device columns, a top frame connected to the top of the four columns, a bottom frame connected to the bottom of the four columns, and four docking rods coaxially connected to the bottom of the four columns in a one-to-one correspondence; the docking and locking device includes a device docking device and a barrel foundation docking device; characterized in that... The equipment docking device includes an equipment docking frame spanning the middle of two crossbars of the equipment bottom frame and an equipment docking plate installed in the equipment docking frame. Each of the four sides of the equipment docking plate has a rectangular locking groove in the middle. Each locking groove is provided with a locking mechanism. The locking mechanism includes a U-shaped locking rod spanning the outer sidewalls of the locking groove, a Π-shaped clamping plate fixing frame fixed in the middle of the bottom wall of the locking groove, and a pair of L-shaped elastic clamping plates fixed one-to-one on the inner and outer sides of the middle of the top crossbeam of the clamping plate fixing frame. The horizontal part of the pair of elastic clamping plates is located below the top crossbeam of the clamping plate fixing frame. The barrel base docking device includes an equipment guiding device and a barrel base docking platform; The equipment positioning device includes a coarse positioning mechanism and four fine positioning guide tubes; wherein... The coarse positioning mechanism includes a pair of front coarse positioning guide rods, a pair of rear coarse positioning guide rods, and a pair of side coarse positioning guide rods. The pair of rear coarse positioning guide rods and the pair of front coarse positioning guide rods are fixed to the top surface of the barrel foundation, and the distance between the pair of rear coarse positioning guide rods and the pair of front coarse positioning guide rods is adapted to the plane width of the equipment frame. The pair of side coarse positioning guide rods are fixed to the top surface of the barrel foundation and are located on the transverse center line of the rectangle formed by the axis of the pair of front coarse positioning guide rods and the axis of the pair of rear coarse positioning guide rods, and are located on both sides of the pair of rear coarse positioning guide rods and the pair of front coarse positioning guide rods, respectively. The distance between the pair of side coarse positioning guide rods is adapted to the plane length of the equipment frame. The rectangle formed by the axis connecting the four precision positioning guide tubes is adapted to the rectangle formed by the axis connecting the four connecting rods of the equipment frame. The rectangle formed by the axis connecting the four precision positioning guide tubes and the rectangle formed by the axis connecting the axis of a pair of front coarse positioning guide rods and the axis connecting the axis of a pair of rear coarse positioning guide rods are concentrically fixed on the top surface of the bucket foundation. The barrel base docking platform includes a barrel base docking frame and a barrel base docking plate; wherein... The barrel base docking frame is installed between the middle of the two front coarse positioning guide rods and the middle of the two rear coarse positioning guide rods. The barrel base docking plate is installed inside the barrel base docking frame. The shape and size of the barrel base docking plate correspond one-to-one with the shape and size of the equipment docking plate. Each of the four sides of the barrel base docking plate has a locking groove that matches and corresponds to the locking groove. Each locking groove is provided with a locking mechanism. The locking mechanism includes a fixed shaft spanning the middle of the side walls of the locking groove, a cross-shaped buckle rotatably mounted on the fixed shaft, a rectangular guide plate fixed to the middle of the bottom wall of the locking groove and perpendicular to the barrel base docking plate, an L-shaped locking frame mounted on the guide plate, and a baffle fixed to the top outer surface of the guide plate. A rectangular guide hole is opened in the middle of the vertical part of the locking frame, which leads to the bottom surface of the locking frame and matches the width of the guide plate, so that the locking frame can be slidably mounted on the guide plate through the guide hole. The horizontal part of the locking frame is located on the top surface of the buckle. The length of the locking frame is less than the inner width of the clamp fixing frame in the locking mechanism.

2. The docking and locking device for the barrel foundation and the negative pressure sinking equipment according to claim 1, characterized in that, The horizontal end faces of the pair of elastic clamps in the locking mechanism are inclined.

3. The docking and locking device for the barrel foundation and the negative pressure sinking equipment according to claim 1, characterized in that, The equipment positioning device also includes two transverse reinforcing rods and two longitudinal reinforcing rods connected between the middle of the four precision positioning guide tubes; two side coarse positioning guide rods are fixed to the two longitudinal reinforcing rods in a corresponding manner; a pair of front coarse positioning guide rods and a pair of rear coarse positioning guide rods are fixed to the two transverse reinforcing rods in a corresponding manner.

4. The docking and locking device for the barrel foundation and the negative pressure sinking equipment according to claim 1 or 3, characterized in that, The upper parts of the side coarse positioning guide rod, the upper parts of the front coarse positioning guide rod, and the upper parts of the rear coarse positioning guide rod are each bent outward by 30° to 45°.

5. The docking and locking device for the barrel foundation and the negative pressure sinking equipment according to claim 1 or 3, characterized in that, The top of each precision positioning guide tube is connected to a flared guide opening that is wider at the top and narrower at the bottom.

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