阅读说明：本技术 一种沉井井筒纠偏装置以及纠偏方法 (Open caisson shaft deviation rectifying device and deviation rectifying method ) 是由 延雷 叶坤 卢磊 蔡雪锋 田丝雨 汪丽君 于 2019-09-05 设计创作，主要内容包括：本发明提出一种沉井井筒纠偏装置,包括：支撑柱、缸体、活塞件和液压装置,支撑柱的下部固定连接在沉井的外侧的地面上,支撑柱的上部连接有纠偏架,纠偏架呈环形,正对沉井；缸体开口朝下滑动装配在支撑柱的下侧,缸体的上部设置有进液口,缸体与支撑柱之间设置有移动装置；活塞件的上端设置有活塞板,活塞板滑动密封装配在缸体的端口内,活塞件的下端面与井筒的上边沿相对应；液压装置的出液口通过液压管路与缸体上的进液口相连接。本发明还提出一种沉井井筒纠偏方法,采用以上沉井井筒纠偏装置实施。(The invention provides a deviation correcting device for an open caisson shaft, which comprises: the lower part of the supporting column is fixedly connected to the ground outside the open caisson, and the upper part of the supporting column is connected with a deviation rectifying frame which is annular and is opposite to the open caisson; the opening of the cylinder body is assembled at the lower side of the support column in a downward sliding manner, a liquid inlet is formed in the upper part of the cylinder body, and a moving device is arranged between the cylinder body and the support column; the upper end of the piston piece is provided with a piston plate, the piston plate is assembled in the port of the cylinder body in a sliding and sealing manner, and the lower end face of the piston piece corresponds to the upper edge of the shaft; the liquid outlet of the hydraulic device is connected with the liquid inlet on the cylinder body through a hydraulic pipeline. The invention also provides a deviation rectifying method for the open caisson shaft, which is implemented by adopting the deviation rectifying device for the open caisson shaft.)

1. The utility model provides an open caisson pit shaft deviation correcting device for rectify when transferring pit shaft (2) in open caisson (1), its characterized in that includes:

The lower part of the supporting column (3) is fixedly connected to the ground outside the open caisson (1), the upper part of the supporting column (3) is connected with a deviation rectifying frame (4), and the deviation rectifying frame (4) is annular and is opposite to the open caisson (1);

The cylinder body (5) is assembled on the lower side of the supporting column (3) in a downward sliding mode, an opening of the cylinder body (5) is downward, a liquid inlet (501) is formed in the upper portion of the cylinder body (5), and a moving device is arranged between the cylinder body (5) and the supporting column (3);

The upper end of the piston piece (6) is provided with a piston plate (601), the piston plate (601) is assembled in the port of the cylinder body (5) in a sliding and sealing mode, and the lower end face of the piston piece (6) corresponds to the upper edge of the shaft (2);

and a liquid outlet of the hydraulic device is connected with the liquid inlet (501) on the cylinder body (5) through a hydraulic pipeline (7).

2. the open caisson shaft deviation correcting device of claim 1, wherein the moving device is a first motor (8), the first motor (8) is fixedly connected with the upper part of the cylinder body (5), a driving gear (9) is arranged on a main shaft of the first motor (8), a gear ring (401) is arranged on the deviation correcting frame (4), and the driving gear (9) is meshed with the gear ring (401).

3. the open caisson shaft deviation correcting device of claim 1, wherein the lower end of the deviation correcting frame (4) is provided with a T-shaped groove (402), the T-shaped grooves (402) are distributed annularly, the upper part of the cylinder body (5) is connected with a T-shaped sliding block (10), and the T-shaped sliding block (10) is slidably assembled in the T-shaped groove (402).

4. The open caisson shaft deviation correcting device of claim 3, wherein the cross section of the cylinder (5) is fan-shaped, the radian of the fan-shaped cylinder is equal to that of the T-shaped groove (402), and the cross section of the piston member (6) is matched with that of the cylinder (5).

5. The open caisson shaft deviation correcting device of claim 1, wherein the hydraulic device comprises a second motor (11) and a liquid supply device, and a main shaft of the second motor (11) is connected with the liquid supply device through a transmission mechanism.

6. The open caisson shaft deviation correcting device of claim 5, wherein the liquid supply device is an oil pump and a hydraulic oil tank, a liquid outlet of the oil pump is connected with the liquid inlet (501) on the cylinder body (5) through the hydraulic pipeline (7), an oil inlet is connected with the hydraulic oil tank, and a main shaft of the second motor (11) is in transmission connection with the oil pump.

7. The open caisson shaft deviation correcting device of claim 5, wherein the liquid supply device comprises an adjusting cylinder (12), a liquid outlet is arranged at the upper part of the adjusting cylinder (12), the liquid outlet is connected with the liquid inlet (501) on the cylinder body (5) through the hydraulic pipeline (7), a piston disc (13) is assembled in the adjusting cylinder (12) in a sliding manner, hydraulic oil is filled in the inner side area of the upper part of the piston disc (13) in the adjusting cylinder (12), a screw sleeve (14) is fixedly connected to the lower surface of the piston disc (13), a screw (15) is assembled in the screw sleeve (14), and a main shaft of the second motor (11) is in transmission connection with the screw sleeve (14).

8. The open caisson shaft deviation correcting device of claim 7, wherein the lower end of the screw rod (15) is rotatably arranged at the bottom of the adjusting cylinder (12), the main shaft of the second motor (11) extends into the inner side of the lower part of the adjusting cylinder (12), the lower part of the screw rod (15) is provided with a driven bevel gear (16), the main shaft of the second motor (11) is connected with a driving bevel gear (17), and the driving bevel gear (17) is meshed with the driven bevel gear (16).

9. The caisson shaft deviation correcting device of claim 1, wherein a spring (18) is arranged between the piston plate (601) and the inner side edge of the lower port of the cylinder body (5).

10. a deviation rectifying method for an open caisson shaft is characterized by comprising the following steps:

S001: building a sunk well shaft deviation rectifying device: the method comprises the following steps of (1) putting a shaft into an open caisson, erecting support columns around the open caisson, fixedly connecting deviation correcting frames on the support columns, assembling a cylinder body, a piston piece and a moving device on the deviation correcting frames, and connecting the cylinder body and a hydraulic device through a hydraulic pipeline to enable the piston piece to be aligned with the upper edge of the shaft in the vertical direction;

S002: detecting the deflection degree of the shaft: the piston piece extends out of the cylinder body by a certain length through a hydraulic device, the cylinder body and the piston piece move for a circle along the deviation rectifying frame through a moving device, and the part of the upper edge of the shaft, which is in contact with the piston piece, is a tilting part;

S003: the hydraulic device moves to the position above the tilting position of the upper edge of the shaft, and the piston piece is controlled by the hydraulic device to press the tilting position of the upper edge of the shaft downwards;

S004: and repeating the steps in S002 and S003 until the well bore is safely implanted in the open caisson.

Technical Field

The invention belongs to the technical field of civil engineering construction, and particularly relates to a deviation rectifying device and a deviation rectifying method for an open caisson shaft.

background

The open caisson is a well cylindrical structure, and is a foundation for bridge abutment or other structures by digging soil in the well, overcoming the frictional resistance of the well wall by means of the self gravity, sinking to a designed elevation, sealing the bottom by concrete and filling the well hole. The device is generally used for constructing a retaining device in foundation pits of large-scale piers, sewage pump stations, large-scale equipment foundations, civil air defense shelters, shield assembly wells, underground driveways and station hydraulic foundations. At present, the sinking well is easy to incline or deviate in sinking, when the shaft is inclined in the sinking process, a load (sand bag pressurization and iron blocks are generally adopted) can be added on the higher side of the shaft or the shaft is vibrated by a vibrator to promote the higher side of the shaft to sink rapidly, however, the load added on the sinking well (sand bag pressurization, iron blocks or vibration of the vibrator) is easy to cause uneven distribution and inconvenient operation, and the effect of correcting the sinking well is not easy to achieve.

Disclosure of Invention

in view of the above, the present invention provides an open caisson hole deviation rectifying device and a deviation rectifying method, which are used for overcoming the problems or at least partially solving or alleviating the problems.

The invention provides a deviation correcting device for a sinking well shaft, which is used for correcting deviation when the well shaft is placed in a sinking well, and comprises the following components:

The lower part of the supporting column is fixedly connected to the ground outside the open caisson, and the upper part of the supporting column is connected with a deviation rectifying frame which is annular and is opposite to the open caisson;

The opening of the cylinder body is assembled on the lower side of the support column in a downward sliding mode, a liquid inlet is formed in the upper portion of the cylinder body, and a moving device is arranged between the cylinder body and the support column;

The upper end of the piston piece is provided with a piston plate, the piston plate is assembled in the port of the cylinder body in a sliding and sealing mode, and the lower end face of the piston piece corresponds to the upper edge of the shaft;

And a liquid outlet of the hydraulic device is connected with the liquid inlet on the cylinder body through a hydraulic pipeline.

The invention also has the following optional features.

Optionally, the moving device is a first motor, the first motor is fixedly connected to the upper portion of the cylinder body, a driving gear is arranged on a main shaft of the first motor, and a gear ring is arranged on the deviation rectifying strip and meshed with the driving gear.

Optionally, the lower extreme of rectifying frame is provided with the T-slot, the T-slot is the annular distribution, the upper portion of cylinder body is connected with T shape slider, T shape slider sliding assembly is in the T-slot.

optionally, the cylinder body has a sector-shaped cross section with an arc equal to the arc of the T-shaped slot, and the piston member has a cross section matching the cross section of the cylinder body.

Optionally, the hydraulic device includes a second motor and a liquid supply device, and a spindle of the second motor is connected to the liquid supply device through a transmission mechanism.

Optionally, the liquid supply device is an oil pump and a hydraulic oil tank, a liquid outlet of the oil pump is connected with the liquid inlet on the cylinder body through the hydraulic pipeline, an oil inlet is connected with the hydraulic oil tank, and a main shaft of the second motor is in transmission connection with the oil pump.

Optionally, the liquid supply device includes the adjusting cylinder, the upper portion of adjusting the jar is provided with the liquid outlet, the liquid outlet passes through hydraulic line with on the cylinder body the inlet is connected, it is equipped with the piston dish to slide in the adjusting cylinder, the adjusting cylinder is in the inboard region on piston dish upper portion holds hydraulic oil, the lower fixed surface of piston dish is connected with the screw rod cover, be equipped with the screw rod in the screw rod cover, the main shaft of second motor with the screw rod cover transmission is connected.

Optionally, the lower end of the screw rod is rotatably disposed at the bottom of the adjusting cylinder, the spindle of the second motor extends into the inner side of the lower portion of the adjusting cylinder, a driven bevel gear is disposed at the lower portion of the screw rod, a driving bevel gear is connected to the spindle of the second motor, and the driving bevel gear is meshed with the driven bevel gear.

Optionally, a spring is disposed between the piston plate and an inner side edge of the lower port of the cylinder body.

The invention provides a deviation rectifying method for an open caisson shaft, which comprises the following steps:

S001: building a sunk well shaft deviation rectifying device: the method comprises the following steps of (1) putting a shaft into an open caisson, erecting support columns around the open caisson, fixedly connecting deviation correcting frames on the support columns, assembling a cylinder body, a piston piece and a moving device on the deviation correcting frames, and connecting the cylinder body and a hydraulic device through a hydraulic pipeline to enable the piston piece to be aligned with the upper edge of the shaft in the vertical direction;

S002: detecting the deflection degree of the shaft: the piston piece extends out of the cylinder body by a certain length through a hydraulic device, the cylinder body and the piston piece move for a circle along the deviation rectifying frame through a moving device, and the part of the upper edge of the shaft, which is in contact with the piston piece, is a tilting part;

S003: the hydraulic device moves to the position above the tilting position of the upper edge of the shaft, and the piston piece is controlled by the hydraulic device to press the tilting position of the upper edge of the shaft downwards;

S004: and repeating the steps in S002 and S003 until the well bore is safely implanted in the open caisson.

the invention has the beneficial effects that:

According to the open caisson shaft deviation correcting device and the deviation correcting method, the annular deviation correcting frame is arranged above the open caisson, the cylinder body and the piston piece are arranged on the annular deviation correcting frame in a sliding mode, the cylinder body and the piston piece can be driven to move along the deviation correcting frame through the moving device, the piston piece can extend downwards by supplying liquid into the cylinder body through the hydraulic device, the lower end face of the piston piece is made to be in contact with the upper end edge of the open caisson shaft and press the upper end edge of the open caisson shaft downwards, the pressing part of the open caisson shaft can be changed, the open caisson can be corrected in the open caisson shaft lowering process, the open caisson can be stably and safely landed, the safety of subsequent construction is guaranteed, and the construction risk caused by inclination, deviation or torsion of the open caisson is avoided.

Drawings

FIG. 1 is a schematic diagram of a full-section structure of an embodiment of the open caisson shaft deviation correcting device of the invention;

FIG. 2 is a bottom view of the support post of FIG. 1;

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the above figures: 1, sinking a well; 2, a shaft; 3, supporting columns; 4, a deviation rectifying frame; 401 ring gear; 402T-shaped slots; 5, a cylinder body; 501 liquid inlet; 6 a piston member; 601 a piston plate; 7 hydraulic lines; 8 a first motor; 9 a driving gear; a 10T-shaped slider; 11 a second motor; 12 an adjusting cylinder; 1201 liquid outlet; 13 a piston disc; 14, a screw sleeve; 15, a screw rod; 16 a passive bevel gear; 17 a drive bevel gear; 18 springs; 19 a first pressure relief valve; 20 second pressure relief valve.

the present invention will be described in further detail with reference to the accompanying drawings and examples.

Detailed Description