Open caisson deviation rectifying device and open caisson deviation rectifying method

Abstract

The invention relates to the technical field of civil engineering, in particular to an open caisson deviation rectifying device and an open caisson deviation rectifying method.The open caisson deviation rectifying device comprises a vehicle body, a supporting piece, a telescopic driving rod and a moving piece, the lower end of the telescopic driving rod and the lower end of the supporting piece are both hinged to the vehicle body, and the lower end of the telescopic driving rod and the lower end of the supporting piece are arranged in a front-back spaced mode; the upper end of the telescopic driving rod is hinged to the upper end of the supporting piece, and the telescopic driving rod, the supporting piece and the vehicle body form a triangular structure; the supporting piece is connected with a moving piece capable of moving in the length direction of the supporting piece, and the moving piece is provided with a second connecting structure. The supporting piece can be driven to swing through extension of the telescopic driving rod, the supporting piece can push the open caisson in the direction opposite to the inclination direction, and deviation correction of the open caisson is achieved. The open caisson deviation rectifying device is fast in deviation rectifying progress.

Description

Technical Field

[0001] The invention relates to the technical field of civil engineering, and in particular to a caisson deviation correction device and a caisson deviation correction method. Background Art

[0002] Caisson engineering is widely used in the construction of deep underground structures and is suitable for different geological conditions. Among them, the construction of caissons with large cross-sections, large burial depths, and complex geological conditions is becoming a research hotspot in the engineering field. Deep and large caissons mainly rely on their own weight to overcome the vertical resistance at the blade foot and the side wall friction resistance to sink. Due to uneven excavation, uneven soil hardness, local obstacles, uneven loads around the well, etc., large caissons are prone to partial sinking, especially in soft soil areas. The probability of partial sinking is greater. The partial sinking of deep and large caissons has an adverse effect on the quality of the project and the efficiency of construction. In severe cases, it may even cause casualties and property losses. Traditional methods for correcting the deviation of caissons, such as digging more soil on the high side of the blade foot, pressing heavy objects on the high side of the well end, and refilling sand on the outside of the well wall, have the defect of slow correction progress. Summary of the invention

[0003] The technical problem to be solved by the present invention is that the current caisson deviation correction method has the defect of slow correction progress.

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a caisson deviation correction device for correcting the caisson, wherein the caisson has an outer wall, the outer wall is provided with a first connecting structure, the caisson deviation correction device comprises a vehicle body, a support, a telescopic drive rod and a moving member, the lower end of the telescopic drive rod and the lower end of the support are both hinged to the vehicle body, and the lower end of the telescopic drive rod and the lower end of the support are arranged with a front-to-back interval, the upper end of the telescopic drive rod and the upper end of the support are hinged, the telescopic drive rod, the support and the vehicle body form a triangular structure; the support is connected to a moving member that can move along the length direction of the support, and the moving member is provided with a second connecting structure;

[0005] The extension or shortening of the telescopic driving rod can make the supporting member swing to be parallel to the axial direction of the caisson, the movement of the movable member can make the second connecting structure opposite to the first connecting structure, the movement of the vehicle body drives the supporting member to fit against the outer wall of the caisson, and connects the second connecting structure to the first connecting structure.

[0006] As a preferred solution, the first connection structure is a hole body, and the hole body is arranged perpendicular to the axial direction of the caisson;

[0007] The second connection structure includes a pin body and a first driving device, and the driving device is used to drive the pin body to move so as to insert the pin body into the hole body or extract the pin body from the hole body.

[0008] As a preferred solution, the moving member has a first mounting hole, the pin body is inserted into the first mounting hole, and the first driving device and the hole body are respectively located at two opposite ends of the moving member.

[0009] As a preferred solution, the support member includes a first support column, a first cross beam, a second support column and a second cross beam; the first support column, the first cross beam, the second support column and the second cross beam are fixed in sequence and enclosed to form a frame structure, the first cross beam is hinged to the vehicle body, and the second cross beam is hinged to the upper end of the telescopic drive rod;

[0010] The moving member comprises a moving beam, one end of which is connected to the first support column for vertical movement, and the other end of which is connected to the second support column for vertical movement. The moving beam is also provided with a locking mechanism for fixing the moving beam to the first support column and the second support column;

[0011] The second connecting structure is arranged on the moving beam.

[0012] As a preferred solution, the locking mechanism includes a first locking pin, a second driving device and a plurality of first locking holes;

[0013] The movable beam moves close to the first support column and has a first mounting slot, and the first support column is inserted into the first mounting slot;

[0014] The first locking holes are arranged at intervals from top to bottom on the first support column, the first locking pin is slidably penetrated in the groove wall of the first mounting groove, the second driving device is connected to the moving beam, and the second driving device is connected to the first locking pin to drive the first locking pin to be inserted into or pulled out of the first locking hole.

[0015] As a preferred solution, the first mounting groove has a first groove wall and a second groove wall arranged opposite to each other, the first groove wall and the second groove wall are respectively located on both sides of the first supporting column, the first groove wall has a first through hole, the second groove wall has a second locking hole, and the first locking pin is inserted into the first through hole;

[0016] The second driving device is connected to one end of the first locking pin, and is used to drive the other end of the first locking pin to be inserted into the first locking hole and the second locking hole, or to drive the other end of the first locking pin to be withdrawn from the first locking hole and the second locking hole.

[0017] As a preferred embodiment, at least one of the first support column and the second support column is provided with a rack structure, and the rack structure is arranged along the length direction of the first support column and the second support column. The movable beam is connected to a gear meshing with the rack structure and a third driving device for driving the gear to rotate.

[0018] As a preferred solution, the telescopic driving rod is a hydraulic cylinder or a pneumatic cylinder, and the caisson correction device further includes a pressure sensor for monitoring the hydraulic pressure of the hydraulic cylinder or the air pressure of the pneumatic cylinder.

[0019] A method for rectifying a well, comprising the following steps:

[0020] Step S1, setting one caisson correction device on each side of the caisson's tilt direction;

[0021] Step S2, adjusting the position of each moving member on each supporting member, and adjusting the angle of each supporting member by extending or shortening each telescopic driving rod, so that the supporting members on both sides of the caisson are respectively fitted with both sides of the caisson, and each second connecting structure is connected to the corresponding first connecting structure;

[0022] Step S3, extend the telescopic driving rod on the side with lower well wall inclination elevation, and shorten the telescopic driving rod on the side with higher well wall inclination elevation, until the support members on the side with lower well wall inclination elevation and the support members on the side with higher well wall inclination elevation are both vertical.

[0023] As a preferred solution, after step S3, the following further comprises:

[0024] Step S4, after adjusting the support member on the side with lower elevation of the well wall and the support member on the side with higher elevation of the well wall to be vertical, record the detection value of each pressure sensor as the first test value;

[0025] Step S5, releasing the locking mechanisms on the movable beams, so that the movable beams can move along with the downward movement of the caisson during the construction process;

[0026] Step S6: During the construction process, the real-time detection value of each pressure sensor is compared with the first test value to evaluate the deflection of the caisson during the construction process to determine whether the caisson needs to be corrected again.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The caisson correction device of the present invention comprises a vehicle body, a support member, a telescopic driving rod and a moving member, the lower end of the telescopic driving rod and the lower end of the support member are both hinged to the vehicle body, and the lower end of the telescopic driving rod and the lower end of the support member are arranged at intervals in front and behind, the upper end of the telescopic driving rod and the upper end of the support member are hinged, and the telescopic driving rod, the support member and the vehicle body form a triangular structure; a moving member that can move along the length direction of the support member is connected to the support member, and the moving member is provided with a second connecting structure; when correcting the caisson, the vehicle body is adjusted to the inclined side of the caisson, the telescopic driving rod is extended or shortened to make the support member swing to be parallel to the axial direction of the caisson, the position of the moving member is adjusted to make the second connecting structure opposite to the first connecting structure, and then the vehicle body is used to move to drive the support member to fit the outer wall of the caisson, and the second connecting structure is connected to the first connecting structure located outside the caisson, the extension of the telescopic driving rod can drive the support member to swing, and the support member can push the caisson in the opposite direction of the inclination direction to realize the correction of the caisson; the caisson correction device of the present invention has a fast correction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the working state of the caisson deviation correction device of the present invention during deviation correction;

[0030] Figure 2 It is a side view of the caisson deviation correction device of the present invention;

[0031] Figure 3 for Figure 2 The right view of the figure is a schematic diagram of the connection structure between the support member and the moving member;

[0032] Figure 4 It is a schematic diagram of the connection structure between the supporting member and the moving member in a top view;

[0033] Figure 5 It is an enlarged view of the connection node between the supporting member and the moving member;

[0034] Figure 6 A top view of the caisson deviation correction device of the present invention;

[0035] In the figure, 100, caisson, 101, first connecting structure, 1, vehicle body, 2, supporting member, 21, first supporting column, 211, first locking hole, 22, first cross beam, 23, second supporting column, 24, second cross beam, 3, telescopic driving rod, 4, moving member, 41, beam body, 411, first mounting hole, 42, first sliding block, 421, first mounting groove, 422, first groove wall, 4221, first through hole, 423, second groove wall, 4231, second locking hole, 43, second sliding block, 5, second connecting structure, 51, pin body, 52, first driving device, 6, locking mechanism, 61, first locking pin, 62, second driving device, 71, rack structure, 72, gear, 73, third driving device, 8, supporting beam. DETAILED DESCRIPTION

[0036] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0037] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information.

[0038] The caisson deviation correction device of the present invention is used to correct the caisson 100, such as Figures 1 to 6As shown, the caisson 100 has an outer wall, and the outer wall is provided with a first connecting structure 101. The preferred embodiment of the caisson correction device of the present invention includes a vehicle body 1, a support member 2, a telescopic drive rod 3 and a moving member 4. The lower end of the telescopic drive rod 3 and the lower end of the support member 2 are both hinged to the vehicle body 1, and the lower end of the telescopic drive rod 3 and the lower end of the support member 2 are arranged in a front-to-back interval, and the upper end of the telescopic drive rod 3 and the upper end of the support member 2 are hinged. The telescopic drive rod 3, the support member 2 and the vehicle body 1 form a triangular structure, and each side of the triangular structure is hinged in sequence. A moving member 4 that can move along the length direction of the support member 2 is connected to the support member 2, and the moving member 4 is provided with a second connecting structure 5; the extension or shortening of the telescopic drive rod 3 can make the support member 2 swing to be parallel to the axial direction of the caisson 100, and the movement of the moving member 4 can make the second connecting structure 5 opposite to the first connecting structure 101, and the movement of the vehicle body 1 drives the support member 2 to fit the outer wall of the caisson 100, and connects the second connecting structure 5 to the first connecting structure 101. When correcting the caisson 100, the vehicle body 1 is adjusted to the inclined side of the caisson 100, and the telescopic driving rod 3 is extended or shortened to make the support member 2 swing to be parallel to the axial direction of the caisson 100, and the position of the movable member 4 is adjusted to make the second connecting structure 5 opposite to the first connecting structure 101, and then the vehicle body 1 is moved to drive the support member 2 to fit the outer wall of the caisson 100, and the second connecting structure 5 is connected to the first connecting structure 101 located on the outside of the caisson 100, and the extension of the telescopic driving rod 3 can drive the support member 2 to swing, and the support member 2 can push the caisson 100 in the opposite direction of the tilt direction, thereby correcting the caisson 100; the caisson correction device of the present invention has a fast correction progress, and the correction progress is easy to control.

[0039] Among them, the first connection structure 101 is a hole body, and the hole body is arranged perpendicular to the axial direction of the caisson 100. The second connection structure 5 includes a pin body 51 and a first driving device 52, and the driving device is used to drive the pin body 51 to move, so as to insert the pin body 51 into the hole body or to pull the pin body 51 out of the hole body. The first connection structure 101 and the second connection structure 5 are respectively set as a hole body and a pin body structure, which is convenient for the connection or separation of the first connection structure 101 and the second connection structure 5, and is convenient for processing. In this embodiment, the hole body is a rectangular hole, the length direction of the rectangular hole is parallel to the axial arrangement of the caisson 100, and the width dimension of the rectangular hole is slightly larger than the width of the pin body 51. Setting the hole body as a rectangular hole can make the size of the hole body in the up and down directions larger, and the pin body 51 is spaced from the top wall of the hole body to avoid deformation of the pin body 51 caused by the difference between the inclination angles of the caisson 100 and the support 2. The hole body can be directly arranged on the side wall of the caisson 100, or a connecting block can be detachably connected to the side wall of the caisson 100, and the hole body is arranged on the connecting hole. When the connecting block is close to the ground due to the sinking of the caisson 100, the connecting block at the bottom is removed, and the removed connecting block is reconnected to the upper position of the caisson 100. In other embodiments of the present invention, the first connecting structure and the second connecting structure can also be set as hinge structures, that is, the first connecting structure is set as a first connecting frame, and the second connecting structure is set as a second connecting frame. The first connecting frame and the second connecting frame are connected by a hinge shaft, and the hinge shaft is inserted into the first connecting frame and the second connecting frame to realize the connection between the first connecting structure and the second connecting structure, and the hinge shaft is pulled out of the first connecting frame and the second connecting frame to realize the separation of the first connecting frame and the second connecting frame.

[0040] In this embodiment, the moving member 4 has a first mounting hole 411, the pin body 51 is inserted into the first mounting hole 411, and the first driving device 52 and the hole body are respectively located at opposite ends of the moving member 4. The first driving device 52 can be a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod, as long as it can drive the pin body 51 to move in the first mounting hole 411.

[0041] In this embodiment, the support member 2 includes a first support column 21, a first crossbeam 22, a second support column 23 and a second crossbeam 24; the first support column 21, the first crossbeam 22, the second support column 23 and the second crossbeam 24 are fixed in sequence and enclosed in a frame structure, the first crossbeam 22 is hinged to the vehicle body 1, and the second crossbeam 24 is hinged to the upper end of the telescopic driving rod 3; the moving member 4 includes a moving beam, one end of the moving beam is connected to the first support column 21 for up and down movement, and the other end of the moving beam is connected to the second support column 23 for up and down movement, and the moving beam is also provided with a locking mechanism 6 for fixing the moving beam to the first support column 21 and the second support column 23; the second connecting structure 5 is arranged on the moving beam. Specifically, the support member 2 is arranged as a frame structure, which ensures the supporting strength of the support member 2, and the moving beam can be fixed at a specific position of the first support column 21 and the second support column 23 by locking the moving beam with the locking mechanism 6, so that the support member 2 can limit the caisson 100. Correspondingly, in this embodiment, two telescopic driving rods 3 are provided, and the two telescopic driving rods 3 are respectively arranged on both sides of the frame structure.

[0042] Specifically, the locking mechanism 6 includes a first locking pin 61, a second driving device 62 and a plurality of first locking holes 211; the end of the moving beam close to the first support column 21 has a first mounting groove 421, and the first support column 21 is inserted into the first mounting groove 421; the first locking holes 211 are arranged on the first support column 21 from top to bottom, and the first locking pin 61 is slidably inserted into the groove wall of the first mounting groove 421, and the second driving device 62 is connected to the moving beam, and the second driving device 62 is connected to the first locking pin 61 to drive the first locking pin 61 to insert or withdraw the first locking hole 211. The moving beam includes a beam body 41 and sliders fixed at both ends of the beam body 41, the first mounting hole 411 is set in the middle of the beam body 41, and the first driving device 52 is connected to the beam body 41. One of the two sliders has a first mounting groove 421 and the other has a second mounting groove. The first support column 21 and the second support column 23 are respectively inserted into the first mounting groove 421 and the second mounting groove. The second support column 23 has a plurality of second locking holes 4231 arranged at intervals from top to bottom. The two sliders are both inserted with locking pins and the two sliders are connected to the second driving device 62. Each second driving device 62 drives the corresponding locking pin to move, thereby unlocking or locking the moving beam. Specifically, the second driving device 62 can be an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

[0043] Further, the first mounting groove 421 has a first groove wall 422 and a second groove wall 423 arranged opposite to each other, the first groove wall 422 and the second groove wall 423 are respectively located on both sides of the first support column 21, the first groove wall 422 has a first through hole 4221, the second groove wall 423 has a second locking hole 4231, and the first locking pin 61 is inserted into the first through hole 4221; the second driving device 62 is connected to one end of the first locking pin 61, and the second driving device 62 is used to drive the other end of the first locking pin 61 to insert into the first locking hole 211 and the second locking hole 4231, or to drive the other end of the first locking pin 61 to be withdrawn from the first locking hole 211 and the second locking hole 4231. The first locking pin 61 penetrates into the second locking hole 4231, which can improve the connection strength of the moving beam at the first mounting groove 421. In this embodiment, the connection mode between the moving beam and the second support column 23 is the same as the connection mode between the first support column 21 and the moving beam, which further improves the smooth movement of the moving beam on the first support column 21 and the second support column 23, and the stability when locked.

[0044] To facilitate the movement of the moving beam, in this embodiment, at least one of the first support column 21 and the second support column 23 is provided with a rack structure 71, and the rack structure 71 is arranged along the length direction of the first support column 21 and the second support column 23. The moving beam is connected with a gear 72 meshing with the rack structure 71 and a third driving device 73 for driving the gear 72 to rotate. Specifically, the third driving device 73 is a motor, and the motor drives the gear 72 to rotate, so that the position of the moving beam on the first support column 21 and the second support column 23 can be flexibly adjusted. Specifically, in this embodiment, the motor for driving the gear 72 to rotate has a self-locking function. When the locking mechanism 6 locks the moving beam on the first support column 21 and the second support column 23, the self-locking function of the motor is turned on, further improving the locking stability of the moving beam on the first support column 21 and the second support column 23.

[0045] In this embodiment, the telescopic driving rod 3 is a hydraulic cylinder or a pneumatic cylinder, and the caisson correction device also includes a pressure sensor for monitoring the hydraulic pressure of the hydraulic cylinder or the air pressure of the pneumatic cylinder. Specifically, when correcting the caisson 100, a caisson correction device is respectively arranged on both sides of the tilting direction of the caisson 100. The pressure applied by the caisson 100 to the support member 2 located on the side with a lower tilt elevation of the well wall is larger, and the corresponding test value of the pressure sensor is also larger. By comparing the test values ​​of the pressure sensors located on both sides of the caisson 100, the tilting direction of the caisson 100 can be known. Specifically, the caisson correction device of this embodiment can not only correct the caisson 100 that has been deflected, but also can be connected to the caisson 100 under construction to prevent the caisson 100 under construction from deflecting. In order to prevent the caisson 100 under construction from deflecting, the caisson correction device of this embodiment can be symmetrically arranged on both sides of the caisson 100 or in the front, back, left and right directions of the caisson 100, and the position of each support member 2 can be adjusted by using each telescopic driving rod 3 so that the support member 2 is in a vertical position. Then, by moving each vehicle body 1, each support member 2 is pressed against the four sides of the caisson 100, and the second connecting structure 5 is connected to the first connecting structure 101. After that, the locking mechanism 6 is released from fixing the movable beam, and each movable beam can move downward synchronously with the sinking of the caisson 100. At the same time, each support member 2 can limit the surrounding side of the caisson 100 to prevent the caisson 100 from deflecting front and back or left and right.

[0046] In the present embodiment, the vehicle body 1 is a tracked vehicle, which is conducive to the dissipation of the correcting force. The first end of the support member 2 can be directly hinged to the frame of the tracked vehicle. At this time, a connecting frame can be welded at the rear end of the tracked vehicle, and the first crossbeam 22 is hinged to the connecting frame. In the present embodiment, a support beam 8 arranged along the front and rear directions is fixed at the upper end of the vehicle body 1, the lower end of the support member 2 is hinged to the rear end of the support beam 8, and the lower end of the telescopic driving rod 3 is hinged to the front end of the support beam 8. The telescopic driving rod 3, the support member 2 and the support beam 8 form a triangular structure, and the angle between the support member 2 and the support beam 8 can be changed by extending or shortening the telescopic driving rod 3. Before moving the vehicle body 1 to the caisson 100, the ground around the caisson 100 is hardened first, or steel plates are laid on the ground to improve the bearing capacity of the ground and prevent the vehicle body 1 from tilting due to uneven ground subsidence. The pin body 51 and the first locking pin 61 in this embodiment are both high-strength shear pins. In this embodiment, a rubber gasket can be arranged in the hole body. The rubber gasket is annular and is located in the hole body. The outer ring of the rubber gasket fits against the hole wall of the hole body, and the inner ring of the rubber gasket cooperates with the pin body 51 to buffer the correcting force applied to the pin body 51 and prevent the pin body 51 from being broken due to impact caused by excessive correcting force.

[0047] A method for rectifying a well, comprising the following steps:

[0048] Step S1, a caisson deviation correction device is arranged on each side of the caisson 100 in the tilt direction; specifically, to ensure the stability of the vehicle body 1 on the ground,

[0049] Step S2, adjusting the position of each moving member 4 on each supporting member 2, and adjusting the angle of each supporting member 2 by extending or shortening each telescopic driving rod 3, so that the supporting members 2 on both sides of the caisson 100 are respectively fitted with both sides of the caisson 100, and each second connecting structure 5 is connected to the corresponding first connecting structure 101;

[0050] Step S3, extend the telescopic driving rod 3 on the side with lower inclined elevation of the well wall, and shorten the telescopic driving rod 3 on the side with higher inclined elevation of the well wall, until the support member 2 on the side with lower inclined elevation of the well wall and the support member 2 on the side with higher inclined elevation of the well wall are both vertical.

[0051] Wherein, after step S3, it also includes:

[0052] Step S4, recording that the detection value of each pressure sensor is the first test value when the support member 2 on the side with lower well wall inclination elevation and the support member 2 on the side with higher well wall inclination elevation are both adjusted to vertical;

[0053] Step S5, releasing the locking mechanism 6 of each caisson correction device from locking the moving beams on both sides of the caisson 100, and at the same time, releasing the locking mechanism 6 of each caisson correction device from locking the gear 72, so that each moving beam can move with the downward movement of the caisson 100 during the construction process;

[0054] Step S6: During the construction process, the real-time detection value of each pressure sensor is compared with the first test value to evaluate the deflection of the caisson 100 during the construction process to determine whether it is necessary to correct the caisson 100 again.

[0055] In summary, the caisson deviation correction device of the present invention comprises a vehicle body 1, a support member 2, a telescopic driving rod 3 and a moving member 4, the lower end of the telescopic driving rod 3 and the lower end of the support member 2 are both hinged to the vehicle body 1, and the lower end of the telescopic driving rod 3 and the lower end of the support member 2 are arranged at intervals in front and behind, the upper end of the telescopic driving rod 3 and the upper end of the support member 2 are hinged, and the telescopic driving rod 3, the support member 2 and the vehicle body 1 form a triangular structure; the support member 2 is connected to a moving member 4 that can move along the length direction of the support member 2, and the moving member 4 is provided with a second connecting structure 5; when correcting the deviation of the caisson 100, the vehicle body 1 is adjusted to the deflected side of the caisson 100 The extension or shortening of the telescopic driving rod 3 can make the support member 2 swing to be parallel to the axial direction of the caisson 100, and the position of the movable member 4 is adjusted to make the second connecting structure 5 opposite to the first connecting structure 101, and then the vehicle body 1 is moved to drive the support member 2 to fit the outer wall of the caisson 100, and the second connecting structure 5 is connected to the first connecting structure 101 located on the outer side of the caisson 100, and the extension of the telescopic driving rod 3 can drive the support member 2 to swing, and the support member 2 can push the caisson 100 in the opposite direction of the tilt direction, so as to realize the correction of the caisson 100; the caisson correction device of the present invention has a fast correction progress.

[0056] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A caisson deviation correction device, used for correcting the deviation of a caisson (100), wherein the caisson (100) has an outer wall, and the outer wall is provided with a first connecting structure (101), characterized in that: The caisson deviation correction device comprises a vehicle body (1), a support member (2), a telescopic driving rod (3) and a moving member (4); the lower end of the telescopic driving rod (3) and the lower end of the support member (2) are both hinged to the vehicle body (1), and the lower end of the telescopic driving rod (3) and the lower end of the support member (2) are arranged with a spacing in front and back, the upper end of the telescopic driving rod (3) and the upper end of the support member (2) are hinged, and the telescopic driving rod (3), the support member (2) and the vehicle body (1) form a triangular structure; the support member (2) is connected to a moving member (4) that can move along the length direction of the support member (2), and the moving member (4) is provided with a second connecting structure (5); The extension or contraction of the telescopic driving rod (3) can cause the support member (2) to swing to be parallel to the axial direction of the caisson (100); the movement of the movable member (4) can cause the second connecting structure (5) to be opposite to the first connecting structure (101); the movement of the vehicle body (1) drives the support member (2) to fit the outer wall of the caisson (100), and connects the second connecting structure (5) to the first connecting structure (101).

2. The caisson deviation correction device according to claim 1, characterized in that: The first connection structure (101) is a hole body, and the hole body is arranged perpendicular to the axial direction of the caisson (100); The second connecting structure (5) comprises a pin body (51) and a first driving device (52), wherein the driving device is used to drive the pin body (51) to move so as to insert the pin body (51) into the hole body or to extract the pin body (51) from the hole body.

3. The caisson correction device according to claim 2, characterized in that: The moving member (4) has a first mounting hole (411), the pin body (51) is inserted into the first mounting hole (411), and the first driving device (52) and the hole body are respectively located at two opposite ends of the moving member (4).

4. The caisson deviation correction device according to claim 1, characterized in that: The support member (2) comprises a first support column (21), a first cross beam (22), a second support column (23) and a second cross beam (24); the first support column (21), the first cross beam (22), the second support column (23) and the second cross beam (24) are fixed in sequence and form a frame structure, the first cross beam (22) is hinged to the vehicle body (1), and the second cross beam (24) is hinged to the upper end of the telescopic driving rod (3); The movable member (4) comprises a movable beam, one end of which is connected to the first support column (21) for vertical movement, and the other end of which is connected to the second support column (23) for vertical movement, and the movable beam is also provided with a locking mechanism (6) for fixing the movable beam to the first support column (21) and the second support column (23); The second connecting structure (5) is arranged on the moving beam.

5. The caisson deviation correction device according to claim 4, characterized in that: The locking mechanism (6) comprises a first locking pin (61), a second driving device (62) and a plurality of first locking holes (211); The movable beam moves close to the first support column (21) and has a first installation groove (421), and the first support column (21) is inserted into the first installation groove (421); The first locking holes (211) are arranged on the first supporting column (21) at intervals from top to bottom, the first locking pin (61) is slidably inserted into the groove wall of the first mounting groove (421), the second driving device (62) is connected to the moving beam, and the second driving device (62) is connected to the first locking pin (61) to drive the first locking pin (61) to be inserted into or withdrawn from the first locking hole (211).

6. The caisson deviation correction device according to claim 5, characterized in that: The first installation groove (421) has a first groove wall (422) and a second groove wall (423) arranged opposite to each other, the first groove wall (422) and the second groove wall (423) are respectively located on two sides of the first support column (21), the first groove wall (422) has a first through hole (4221), the second groove wall (423) has a second locking hole (4231), and the first locking pin (61) is inserted into the first through hole (4221); The second driving device (62) is connected to one end of the first locking pin (61), and the second driving device (62) is used to drive the other end of the first locking pin (61) to be inserted into the first locking hole (211) and the second locking hole (4231), or to drive the other end of the first locking pin (61) to be withdrawn from the first locking hole (211) and the second locking hole (4231).

7. The caisson deviation correction device according to claim 4, characterized in that: At least one of the first support column (21) and the second support column (23) is provided with a rack structure (71), and the rack structure (71) is arranged along the length direction of the first support column (21) and the second support column (23), and the movable beam is connected to a gear (72) meshing with the rack structure (71) and a third driving device (73) for driving the gear (72) to rotate.

8. The caisson deviation correction device according to claim 1, characterized in that: The telescopic driving rod (3) is a hydraulic cylinder or a pneumatic cylinder, and the caisson correction device also includes a pressure sensor for monitoring the hydraulic pressure of the hydraulic cylinder or the pneumatic pressure of the pneumatic cylinder.

9. A method for rectifying a well, characterized in that: The following steps are involved: Step S1, arranging a caisson (100) correction device according to any one of claims 1 to 8 on both sides of the inclination direction of the caisson (100); Step S2, adjusting the position of each moving member (4) on each supporting member (2), and adjusting the angle of each supporting member (2) by extending or shortening each telescopic driving rod (3), so that the supporting members (2) on both sides of the caisson (100) are respectively fitted with both sides of the caisson (100), and each second connecting structure (5) is connected to the corresponding first connecting structure (101); Step S3, extending the telescopic driving rod (3) on the side with a lower inclined elevation of the well wall, and shortening the telescopic driving rod (3) on the side with a higher inclined elevation of the well wall, until the support member (2) on the side with a lower inclined elevation of the well wall and the support member (2) on the side with a higher inclined elevation of the well wall are both vertical.

10. The caisson deviation correction method according to claim 9, characterized in that: After step S3, the method further includes: Step S4, after adjusting the support member (2) on the side with a lower inclined elevation of the well wall and the support member (2) on the side with a higher inclined elevation of the well wall to be vertical, record the detection value of each pressure sensor as a first test value; Step S5, releasing the locking of each movable beam by each locking mechanism (6), so that each movable beam can move along with the downward movement of the caisson (100) during the construction process; Step S6: During the construction process, the real-time detection value of each pressure sensor is compared with the first test value to evaluate the deflection of the caisson (100) during the construction process to determine whether the caisson (100) needs to be corrected again.

Images