CN110541427B - Deviation correcting device and deviation correcting method for open caisson shaft - Google Patents
Deviation correcting device and deviation correcting method for open caisson shaft Download PDFInfo
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- CN110541427B CN110541427B CN201910836173.XA CN201910836173A CN110541427B CN 110541427 B CN110541427 B CN 110541427B CN 201910836173 A CN201910836173 A CN 201910836173A CN 110541427 B CN110541427 B CN 110541427B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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Abstract
The invention provides an open caisson shaft deviation correcting device, which comprises: the lower part of the support column is fixedly connected to the ground on the outer side of the open caisson, and the upper part of the support column is connected with a correction frame which is annular and is opposite to the open caisson; the cylinder body opening is downwards assembled on the lower side of the support column in a sliding way, the upper part of the cylinder body is provided with a liquid inlet, 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 a 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.
Description
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 tubular structure, which is formed by excavating soil in the well, overcoming the friction resistance of the well wall by self gravity, sinking to the designed elevation, sealing the bottom by concrete and filling the well hole, so that the open caisson becomes the foundation of bridge abutment or other structures. The method is generally used for constructing the enclosure device of foundation pits, sewage pump stations, large equipment foundations, civil air defense shelters, shield assembly wells, underground lanes and station hydraulic foundations of large piers. At present, the open caisson is easy to incline or deviate in sinking, when the open caisson inclines in the sinking process of a shaft, load (generally sand bag pressurization and iron block) can be added to the higher side of the shaft or a vibration machine is used for vibration, so that the higher side of the shaft is promoted to sink rapidly, however, the added load (such as sand bag pressurization and iron block or vibration machine is used for vibration) on the open caisson is easy to cause uneven distribution and inconvenient operation, and the open caisson deviation correcting effect is not easy to be achieved.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide an open caisson wellbore deviation correcting device and a deviation correcting method for overcoming or at least partially solving or alleviating the above problems.
The invention provides an open caisson shaft deviation correcting device, which is used for correcting deviation when a shaft is lowered in the open caisson, and comprises the following components:
the lower part of the support column is fixedly connected to the ground on the outer side of the open caisson, the upper part of the support column is connected with a correction frame, and the correction frame is annular and is opposite to the open caisson;
the cylinder body is assembled on the lower side of the support column in a downward sliding way, 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 a 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 mobile device is a first motor, the first motor with the upper portion fixed connection of cylinder body, be provided with the driving gear on the main shaft of first motor, be provided with the ring gear on the strip of rectifying, the driving gear with the ring gear meshes mutually.
Optionally, the lower extreme of frame of rectifying is provided with the T-shaped groove, the T-shaped groove is annular distribution, the upper portion of cylinder body is connected with T-shaped slider, T-shaped slider sliding fit is in the T-shaped groove.
Optionally, the cross section of the cylinder body is in a sector shape, the radian of the sector is equal to that of the T-shaped groove, and the cross section of the piston piece is matched with that of the cylinder body.
Optionally, the hydraulic device comprises a second motor and a liquid supply device, and a main shaft of the second motor is connected with 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 governing cylinder, the upper portion of governing cylinder is provided with the liquid outlet, the liquid outlet pass through hydraulic pressure pipeline with on the cylinder body the liquid inlet is connected, the interior sliding fit of governing cylinder has the piston disc, the governing cylinder is in the inboard region on piston disc upper portion holds hydraulic oil, the lower fixed surface of piston disc is connected with the screw rod cover, the screw rod cover is equipped with the screw rod, the main shaft of second motor with the screw rod cover transmission is connected.
Optionally, the lower extreme rotation of screw rod sets up the bottom of adjusting the jar, the main shaft of second motor stretches into the lower part inboard of adjusting the jar, the lower part of screw rod is provided with driven bevel gear, be connected with drive bevel gear on the main shaft of second motor, drive bevel gear with driven bevel gear meshes mutually.
Optionally, a spring is provided between the piston plate and the inner side edge of the lower port of the cylinder.
The invention provides a deviation rectifying method for an open caisson shaft, which comprises the following steps:
S001: setting up a deviation correcting device for a shaft of the open caisson: the method comprises the steps of lowering a shaft into an open caisson, erecting support columns around the open caisson, fixedly connecting a correction frame on the support columns, assembling a cylinder body, a piston piece and a moving device on the correction frame, connecting the cylinder body with a hydraulic device through a hydraulic pipeline, and enabling the piston piece to be aligned with the upper edge of the shaft in the vertical direction;
s002: detecting the deflection degree of a shaft: the piston member extends out of the cylinder body for a certain length through the hydraulic device, the cylinder body and the piston member move for one circle along the deviation correcting frame through the moving device, and the part, which is contacted with the piston member, of the upper edge of the shaft is a tilting part;
s003: the hydraulic device is moved to the upper side of the raising part of the upper edge of the shaft, and the piston piece is controlled by the hydraulic device to downwards press the raising part of the upper edge of the shaft;
s004: the steps S002 and S003 are repeated until the well bore is safely landed in the open caisson.
The invention has the beneficial effects that:
According to the open caisson shaft deviation correcting device and 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, liquid is supplied to the cylinder body through the hydraulic device, the piston piece can extend downwards, the lower end face of the piston piece is enabled to be in contact with the upper end edge of the shaft and is pressed downwards, the position of the shaft which is pressed downwards can be changed, the shaft can be corrected in the process of lowering the open caisson through the shaft, stable and safe implantation of the open caisson and subsequent construction safety are guaranteed, and construction risks caused by inclination, deviation or torsion of the open caisson are avoided.
Drawings
FIG. 1 is a schematic diagram of a full section of one embodiment of an open caisson wellbore deviation correcting device of the present invention;
FIG. 2 is a bottom view of the support column of FIG. 1;
Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.
In the above figures: 1. sinking well; 2. a wellbore; 3. a support column; 4. a deviation rectifying frame; 401. a gear ring; 402 A T-shaped groove; 5. a cylinder; 501. a liquid inlet; 6. a piston member; 601. a piston plate; 7. a hydraulic line; 8. a first motor; 9. a drive gear; 10 A T-shaped slider; 11. a second motor; 12. an adjusting cylinder; 1201. a liquid outlet; 13. a piston disc; 14. a screw sleeve; 15. a screw; 16. a passive bevel gear; 17. a drive bevel gear; 18. a spring; 19. a first pressure relief valve; 20. and a second pressure release valve.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Detailed Description
Example 1
Referring to fig. 1 and 3, an embodiment of the present invention provides a deviation rectifying device for a well bore of an open caisson, which is used for rectifying deviation when a well bore 2 is lowered in the open caisson 1, and includes: the lower part of the support column 3 is fixedly connected to the ground on the outer side of the open caisson 1, the upper part of the support column 3 is connected with a correction frame 4, and the correction frame 4 is annular and faces the open caisson 1; the cylinder body 5 is assembled on the lower side of the support column 3 in a downward sliding way, a liquid inlet 501 is formed in the upper part of the cylinder body 5, and a moving device is arranged between the cylinder body 5 and the support column 3; the upper end of the piston member 6 is provided with a piston plate 601, the piston plate 601 is in sliding sealing fit in a port of the cylinder body 5, and the lower end surface of the piston member 6 corresponds to the upper edge of the shaft 2; the liquid outlet of the hydraulic device is connected with the liquid inlet 501 on the cylinder body 5 through a hydraulic pipeline 7.
The hydraulic device is communicated with the cylinder body 5 through a hydraulic pipeline 7, and can hydraulically control the piston member 6 to stretch and retract at the lower port of the cylinder body 5, and if the shaft 2 is in a deflection state, the upper edge of the shaft must have a part to tilt upwards. The deviation rectifying frame 4 is annular and is opposite to the open caisson 1, corresponds to the shaft 2, drives the cylinder body 5 to move along the deviation rectifying frame 4 through the moving device and can reach the position right above the tilting position of the shaft 2, the hydraulic device is connected with the liquid inlet 501 of the cylinder body 5 through the hydraulic pipeline 7 to inject hydraulic oil into the cylinder body 5, extends out of the lower port of the cylinder body 5 through the hydraulic control piston member 6 and contacts with the tilting position of the shaft 2, and the hydraulic oil is continuously injected, so that the piston member 6 extrudes the tilting position of the shaft 2 downwards, and further rectifies the shaft 2, thereby ensuring that the open caisson is installed and implanted. Wherein, one side of inlet 501 is provided with first relief valve 19, and first relief valve 19 plays pressure insurance effect, and when the interior hydraulic pressure of cylinder body 5 reaches the setting value back with hydraulic oil release, avoid cylinder body 5 and piston member 6 and hydraulic line 7 impaired.
Example 2
Referring to fig. 2, on the basis of embodiment 1, the moving device is a first motor 8, the first motor 8 is fixedly connected with the upper portion of the cylinder 5, a driving gear 9 is disposed on a main shaft of the first motor 8, a gear ring 401 is disposed on the deviation rectifying frame 4, and the driving gear 9 is meshed with the gear ring 401.
The first motor 8 is directly or indirectly fixedly connected with the cylinder body 5 through a structural frame, and when the first motor 8 is started, a driving gear 9 on a main shaft of the first motor rotates and crawls on a gear ring 401 on the deviation rectifying frame 4 to drive the cylinder body 5 to slide on the deviation rectifying frame 4.
Example 3
Referring to fig. 1 and 2, on the basis of embodiment 1, the lower end of the deviation rectifying frame 4 is provided with T-shaped grooves 402, the T-shaped grooves 402 are distributed in a ring shape, the upper portion of the cylinder 5 is connected with T-shaped sliding blocks 10, and the T-shaped sliding blocks 10 are slidably assembled in the T-shaped grooves 402.
The T-shaped sliding block 10 can slide in the T-shaped groove 402, the root of the cylinder body 5 is fixedly connected to the T-shaped sliding block 10, the first motor 8 is directly and fixedly connected to the T-shaped sliding block 10, and the T-shaped sliding block 10 can be driven to move along the T-shaped groove 402, so that the cylinder body 5 and the piston piece 6 are driven to move.
Example 4
Referring to fig. 2, on the basis of embodiment 3, the cross section of the cylinder 5 is in a sector shape, the arc of which is equal to the arc of the T-shaped groove 402, and the cross section of the piston member 6 matches the cross section of the cylinder 5.
The cylinder body 5 with the fan-shaped section is matched with the piston piece 6 with the fan-shaped section, the piston piece 6 with the fan-shaped section corresponds to the radian of the upper edge of the shaft 2, when the lower end face of the piston piece 6 presses down the upper edge of the shaft 2, the contact area can be increased, the pressure concentration phenomenon is reduced, the upper edge of the shaft 2 cannot be pressed down to pass the head, and meanwhile, the upper edge of the shaft 2 is not easy to damage.
Example 5
Referring to fig. 1, on the basis of embodiment 1, the hydraulic device includes a second motor 11 and a liquid supply device, and a main shaft of the second motor 11 is connected to the liquid supply device through a transmission mechanism.
The second motor 11 in the hydraulic device can provide power for the liquid supply device, so that the liquid supply device can inject hydraulic oil into the cylinder 5 through the hydraulic pipeline 7, the piston member 6 extends out of the cylinder 5, and when the second motor 11 is reversed, the hydraulic oil in the cylinder 5 can be sucked out through the liquid supply device, so that the piston member 6 is retracted into the cylinder 5.
Example 6
Referring to fig. 1 and 3, on the basis of embodiment 5, the liquid supply device is an oil pump and a hydraulic oil tank, a liquid outlet of the oil pump is connected with a liquid inlet 501 on the cylinder 5 through a 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.
The liquid supply device can select an oil pump, the oil pump is a gear pump, the main shaft of the second motor 11 directly drives the main shaft of the gear pump to rotate, the oil outlet end of the gear pump is connected with the liquid inlet 501 on the cylinder body 5 through a hydraulic pipeline, and the oil inlet end of the gear pump is connected with a hydraulic oil tank through a pipeline.
Example 7
Referring to fig. 1, on the basis of embodiment 5, the liquid supply device comprises an adjusting cylinder 12, a liquid outlet 1201 is arranged at the upper part of the adjusting cylinder 12, the liquid outlet 1201 is connected with a liquid inlet 501 on the cylinder body 5 through a hydraulic pipeline 7, a piston disc 13 is slidably arranged in the adjusting cylinder 12, hydraulic oil is contained in the inner side area of the upper part of the piston disc 13 by the adjusting cylinder 12, a screw rod sleeve 14 is fixedly connected with the lower surface of the piston disc 13, a screw rod 15 is assembled in the screw rod sleeve 14, and a main shaft of a second motor 11 is in transmission connection with the screw rod sleeve 14.
An oil filling port is arranged on one side of the adjusting cylinder 12, a second pressure relief valve 20 is arranged on the oil filling port, hydraulic oil is filled into an area between the adjusting cylinder 12 and the piston disc 13 through the oil filling port, the screw rod 15 is driven to rotate in situ through the second motor 11, the screw rod 15 pushes the screw rod sleeve 14 to move up and down along the screw rod 15, when the screw rod sleeve 14 moves up, the piston disc 13 extrudes the hydraulic oil into the cylinder 5 through the hydraulic pipeline 7, the piston element 6 stretches out downwards, when the screw rod sleeve 14 moves down, the piston disc 13 moves downwards along with the hydraulic oil, negative pressure is generated in the adjusting cylinder 12, the hydraulic oil is sucked out of the cylinder 5 through the hydraulic pipeline 7, and the piston element 6 retracts upwards. The second relief valve 20 can play a role of pressure protection, and when the hydraulic pressure in the adjusting cylinder 12 reaches a set value, the hydraulic oil is discharged, so that the adjusting cylinder 12, the piston disc 13 and the hydraulic pipeline are prevented from being damaged.
Example 8
Referring to fig. 1, on the basis of embodiment 7, the lower end of a screw 15 is rotatably provided at the bottom of an adjusting cylinder 12, the main shaft of a second motor 11 extends into the lower inside of the adjusting cylinder 12, the lower part of the screw 15 is provided with a driven bevel gear 16, a drive bevel gear 17 is connected to the main shaft of the second motor 11, and the drive bevel gear 17 is engaged with the driven bevel gear 16.
The lower end of the adjusting cylinder 12 and the second motor 11 are fixed on the base together, the main shaft of the second motor 11 stretches into the adjusting cylinder 12 and is directly meshed with a driven bevel gear 16 on the screw 15 through a driving bevel gear 17, and the screw 15 is rotated.
Example 9
Referring to fig. 1, on the basis of embodiment 1, a spring 18 is provided between a piston plate 601 and an inner side edge of a lower port of a cylinder 5.
When the piston member 6 extends out of the cylinder 5, the spring 18 is compressed, so that the speed of the piston member 6 extending out of the cylinder 5 can be reduced, the lower part of the piston member is flattened stably and slowly, the operation is convenient, the compressed spring 18 has the tendency of pushing the piston member 6 upwards, and when the hydraulic device withdraws hydraulic oil in the cylinder 5, the spring 18 is released, the piston member 6 is pushed upwards, and the piston member 6 is retracted into the cylinder 5 rapidly.
Example 10
Referring to fig. 1 to 3, an embodiment of the present invention provides a method for correcting deviation of a well bore of an open caisson, comprising the following steps: s001: setting up a deviation correcting device for a shaft of the open caisson: the method comprises the steps of lowering a shaft 2 into an open caisson 1, erecting a support column 3 around the open caisson 1, fixedly connecting a correction frame 4 on the support column 3, assembling a cylinder body 5, a piston member 6 and a moving device on the correction frame 4, connecting the cylinder body 5 with a hydraulic device through a hydraulic pipeline 7, and enabling the piston member 6 to be aligned with the upper edge of the shaft 2 in the vertical direction; s002: detecting the deflection degree of the shaft 2: the piston member 6 extends out of the cylinder body 5 for a certain length through the hydraulic device, the cylinder body 5 and the piston member 6 move for one circle along the deviation correcting frame 4 through the moving device, and the part of the upper edge of the shaft 2, which is contacted with the piston member 6, is a tilting part; s003: the hydraulic device is moved to the upper side of the raising position of the upper edge of the shaft 2, and the raising position of the upper edge of the shaft 2 is pressed downwards by controlling the piston member 6 through the hydraulic device; s004: the steps S002 and S003 are repeated until the well bore 2 is safely landed in the open caisson 1.
In S001, the connection between the lower ends of the four support columns 3 and the ground is to be fastened, the deviation correcting frames 4 at the upper ends of the four support columns 3 are required to be kept horizontal, and the height of the deviation correcting frames 4 is adjusted so that the lower end faces of the piston members 6 can contact the upper edge of the shaft 2 after extending. In S002, the lowest level of the lower end surface of the piston element 6 should be lower than the level of the upper edge of the shaft 2 after implantation in the open caisson 1.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims. The components and structures not specifically described in this embodiment are well known in the art and are not described in detail herein.
Claims (5)
1. An open caisson shaft deviation correcting device for correcting deviation when a shaft (2) is lowered in an open caisson (1), which is characterized by comprising:
The support column (3), the lower part of the support column (3) is fixedly connected to the ground on the outer side of the open caisson (1), the upper part of the support column (3) is connected with a correction frame (4), and the correction frame (4) is annular and is opposite to the open caisson (1);
The cylinder body (5), the cylinder body (5) opening is assembled in the downside of support column (3) in a downward sliding way, the upper portion of cylinder body (5) is provided with inlet (501), be provided with mobile device between cylinder body (5) and support column (3), mobile device is first motor (8), first motor (8) with the upper portion fixed connection of cylinder body (5), be provided with driving gear (9) on the main shaft of first motor (8), be provided with ring gear (401) on rectifying frame (4), driving gear (9) with ring gear (401) mesh;
The upper end of the piston piece (6) is provided with a piston plate (601), the piston plate (601) is assembled in a port of the cylinder body (5) in a sliding sealing mode, and the lower end face of the piston piece (6) corresponds to the upper edge of the shaft (2);
The liquid outlet of the hydraulic device is connected with the liquid inlet (501) on the cylinder body (5) through a hydraulic pipeline (7), 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;
The liquid supply device comprises 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;
The liquid supply device comprises an adjusting cylinder (12), a liquid outlet is formed in the upper portion of the adjusting cylinder (12), the liquid outlet is connected with a liquid inlet (501) on the cylinder body (5) through a hydraulic pipeline (7), a piston disc (13) is slidably arranged in the adjusting cylinder (12), hydraulic oil is contained in an inner side area of the upper portion of the piston disc (13) in the adjusting cylinder (12), a screw rod sleeve (14) is fixedly connected to the lower surface of the piston disc (13), a screw rod (15) is assembled in the screw rod sleeve (14), and a main shaft of the second motor (11) is in transmission connection with the screw rod sleeve (14);
The lower extreme rotation of screw rod (15) sets up the bottom of adjusting cylinder (12), the main shaft of second motor (11) stretches into the lower part inboard of adjusting cylinder (12), the lower part of screw rod (15) is provided with driven bevel gear (16), be connected with drive bevel gear (17) on the main shaft of second motor (11), drive bevel gear (17) with driven bevel gear (16) mesh.
2. The open caisson shaft deviation correcting device according to claim 1, wherein the lower end of the deviation correcting frame (4) is provided with T-shaped grooves (402), the T-shaped grooves (402) are distributed in a ring shape, the upper portion of the cylinder body (5) is connected with T-shaped sliding blocks (10), and the T-shaped sliding blocks (10) are assembled in the T-shaped grooves (402) in a sliding manner.
3. Open-pit shaft correction device according to claim 2, characterized in that the cross section of the cylinder (5) is sector-shaped with an arc equal to the arc of the T-shaped groove (402), the cross section of the piston member (6) being matched to the cross section of the cylinder (5).
4. Open-pit shaft correction device according to claim 1, characterized in that a spring (18) is arranged between the piston plate (601) and the inner edge of the lower port of the cylinder (5).
5. A deviation correcting method of an open caisson shaft deviation correcting device, which is implemented by adopting the open caisson shaft deviation correcting device as set forth in any one of claims 1 to 4, and is characterized by comprising the following steps:
S001: setting up a deviation correcting device for a shaft of the open caisson: the method comprises the steps of lowering a shaft into an open caisson, erecting support columns around the open caisson, fixedly connecting a correction frame on the support columns, assembling a cylinder body, a piston piece and a moving device on the correction frame, connecting the cylinder body with a hydraulic device through a hydraulic pipeline, and enabling the piston piece to be aligned with the upper edge of the shaft in the vertical direction;
s002: detecting the deflection degree of a shaft: the piston member extends out of the cylinder body for a certain length through the hydraulic device, the cylinder body and the piston member move for one circle along the deviation correcting frame through the moving device, and the part, which is contacted with the piston member, of the upper edge of the shaft is a tilting part;
s003: the hydraulic device is moved to the upper side of the raising part of the upper edge of the shaft, and the piston piece is controlled by the hydraulic device to downwards press the raising part of the upper edge of the shaft;
s004: the steps S002 and S003 are repeated until the well bore is safely landed in the open caisson.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836173.XA CN110541427B (en) | 2019-09-05 | 2019-09-05 | Deviation correcting device and deviation correcting method for open caisson shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836173.XA CN110541427B (en) | 2019-09-05 | 2019-09-05 | Deviation correcting device and deviation correcting method for open caisson shaft |
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| Publication Number | Publication Date |
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| CN110541427A CN110541427A (en) | 2019-12-06 |
| CN110541427B true CN110541427B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910836173.XA Active CN110541427B (en) | 2019-09-05 | 2019-09-05 | Deviation correcting device and deviation correcting method for open caisson shaft |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322318A (en) * | 2018-10-24 | 2019-02-12 | 上海市基础工程集团有限公司 | The hydraulic sink deviation-rectifying system of open caisson combined type adjustable counter balance |
| CN109826218A (en) * | 2019-03-25 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of open caisson end heavy stage hydraulic lifting deviation-rectifying system |
| CN110004963A (en) * | 2019-04-18 | 2019-07-12 | 郑州市市政工程总公司 | Well sinking overall process correction prevention alarm system and well sinking are rectified a deviation method |
| CN209260742U (en) * | 2018-10-18 | 2019-08-16 | 中交第四公路工程局有限公司 | A kind of positioning device of well sinking |
| CN211113701U (en) * | 2019-09-05 | 2020-07-28 | 中交第二公路工程局有限公司 | Open caisson pit shaft deviation correcting device |
-
2019
- 2019-09-05 CN CN201910836173.XA patent/CN110541427B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209260742U (en) * | 2018-10-18 | 2019-08-16 | 中交第四公路工程局有限公司 | A kind of positioning device of well sinking |
| CN109322318A (en) * | 2018-10-24 | 2019-02-12 | 上海市基础工程集团有限公司 | The hydraulic sink deviation-rectifying system of open caisson combined type adjustable counter balance |
| CN109826218A (en) * | 2019-03-25 | 2019-05-31 | 中国十七冶集团有限公司 | A kind of open caisson end heavy stage hydraulic lifting deviation-rectifying system |
| CN110004963A (en) * | 2019-04-18 | 2019-07-12 | 郑州市市政工程总公司 | Well sinking overall process correction prevention alarm system and well sinking are rectified a deviation method |
| CN211113701U (en) * | 2019-09-05 | 2020-07-28 | 中交第二公路工程局有限公司 | Open caisson pit shaft deviation correcting device |
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| CN110541427A (en) | 2019-12-06 |
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