CN211113701U

CN211113701U - Open caisson pit shaft deviation correcting device

Info

Publication number: CN211113701U
Application number: CN201921468652.2U
Authority: CN
Inventors: 延雷; 叶坤; 卢磊; 蔡雪锋; 田丝雨; 汪丽君
Original assignee: CCCC Second Highway Engineering Co Ltd
Current assignee: CCCC Second Highway Engineering Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-28
Anticipated expiration: 2029-09-05

Abstract

The utility model provides an open caisson pit shaft deviation correcting device, include: 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.

Description

Open caisson pit shaft deviation correcting device

Technical Field

The utility model belongs to the technical field of civil engineering construction, concretely relates to open caisson pit shaft deviation correcting device.

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.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a deviation rectifying device for open caisson shafts, which overcomes or at least partially solves or alleviates the above problems.

The utility model provides an open caisson pit shaft deviation correcting device for rectify when transferring the pit shaft in the open caisson, include:

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 utility model discloses optional characteristic below still having.

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.

The utility model has the advantages that:

the utility model discloses an open caisson pit shaft deviation correcting device and method of rectifying are through setting up annular frame of rectifying above the open caisson, it sets up cylinder body and piston spare to slide on annular frame of rectifying, can drive cylinder body and piston spare through the mobile device and remove along the frame of rectifying, supply liquid through hydraulic means and can make the piston spare stretch out downwards for the cylinder body in, the lower terminal surface that makes the piston spare contacts with the upper end border of pit shaft, and push down it, and can change the position of pushing down to the pit shaft, can transfer the in-process of open caisson at the pit shaft and rectify the pit shaft, guarantee the safety of landing and follow-up construction that the open caisson can be steady safe, the open caisson slope has been avoidd, skew or twist reverse the construction risk that brings.

Drawings

Fig. 1 is a schematic view of a full-section structure of an embodiment of the open caisson shaft deviation rectifying device of the present 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

Example 1

Referring to fig. 1 and 3, the embodiment of the utility model provides an open caisson pit shaft deviation correcting device for rectify when transferring pit shaft 2 in the open caisson 1, include: the device comprises a support column 3, a cylinder body 5, a piston piece 6 and a hydraulic device, wherein the lower part of the support column 3 is fixedly connected to the ground outside the open caisson 1, the upper part of the support column 3 is connected with a deviation correcting frame 4, and the deviation correcting frame 4 is annular and is opposite to the open caisson 1; an opening of the cylinder body 5 is assembled on the lower side of the support column 3 in a downward sliding mode, 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 support 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 way, and the lower end surface 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 is communicated with the cylinder body 5 through a hydraulic pipeline 7, the piston piece 6 can be controlled to stretch out and draw back at the lower port of the cylinder body 5 through hydraulic pressure, and if the shaft 2 is in a deflection state, one part of the upper edge of the shaft is bound to be tilted upwards. The deviation rectifying frame 4 is annular and is opposite to the open caisson 1 and corresponds to the shaft 2, the cylinder body 5 is driven by the moving device to move along the deviation rectifying frame 4 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 and injects hydraulic oil into the cylinder body 5, the piston part 6 is controlled by hydraulic pressure to extend out of the lower port of the cylinder body 5 and contact with the tilting position of the shaft 2, the hydraulic oil is injected continuously, the tilting position of the shaft 2 is extruded downwards by the piston part 6, and then the deviation rectifying and the righting are carried out on the shaft 2, and the open caisson is ensured to be installed. Wherein, one side of inlet 501 is provided with first relief valve 19, and first relief valve 19 plays the pressure insurance effect, lets out hydraulic oil after hydraulic pressure reaches the setting value in cylinder body 5, avoids cylinder body 5 and piston spare 6 and hydraulic pressure pipeline 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 arranged on a main shaft of the first motor 8, a gear ring 401 is arranged 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 the structural frame, and when the first motor 8 is started, the driving gear 9 on the main shaft rotates to crawl on the gear ring 401 on the deviation correcting frame 4 to drive the cylinder body 5 to slide on the deviation correcting 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 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 grooves 402.

The T-shaped sliding block 10 can slide in the T-shaped groove 402, the root part 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, in the embodiment 3, the cross section of the cylinder 5 is fan-shaped, the radian of the fan-shaped cross section 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.

The cylinder body 5 with the sector section is matched with the piston piece 6 with the sector section, the radian of the upper edge of the piston piece 6 with the sector section is corresponding to that of the shaft 2, when the lower end face of the piston piece 6 presses the upper edge of the shaft 2 which is tilted upwards, the contact area can be increased, the pressure concentration phenomenon is reduced, the upper edge of the shaft 2 cannot be pressed downwards to pass through, and 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 spindle of the second motor 11 is connected with 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 injects hydraulic oil into the cylinder 5 through the hydraulic pipeline 7, the piston piece 6 extends out of the cylinder 5, and when the second motor 11 rotates reversely, the hydraulic oil in the cylinder 5 can be sucked out through the liquid supply device, and the piston piece 6 retracts into the cylinder 5.

Example 6

Referring to fig. 1 and 3, on the basis of embodiment 5, the liquid supply device includes an oil pump and a hydraulic oil tank, a liquid outlet of the oil pump is connected to a liquid inlet 501 on the cylinder 5 through a hydraulic pipeline 7, an oil inlet is connected to 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 includes an adjusting cylinder 12, an upper portion of the adjusting cylinder 12 is provided with a liquid outlet 1201, the liquid outlet 1201 is connected to a liquid inlet 501 on the cylinder body 5 through a hydraulic pipeline 7, a piston disc 13 is slidably assembled in the adjusting cylinder 12, the adjusting cylinder 12 contains hydraulic oil in an inner side area of an upper portion of the piston disc 13, a screw sleeve 14 is fixedly connected to a 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.

An oil filling port is formed in 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 15 is driven to rotate in situ through the second motor 11, the screw 15 pushes the screw sleeve 14 to move up and down along the screw 15, when the screw sleeve 14 moves upwards, the piston disc 13 extrudes the hydraulic oil into the cylinder body 5 through the hydraulic pipeline 7, the piston piece 6 extends downwards, when the screw sleeve 14 moves downwards, the piston disc 13 moves downwards along with the screw, negative pressure is generated in the adjusting cylinder 12, the hydraulic oil is sucked out of the cylinder body 5 through the hydraulic pipeline 7, and the piston piece 6 retracts upwards. The second pressure relief valve 20 can perform a pressure relief function, and when the hydraulic pressure in the adjusting cylinder 12 reaches a set value, the hydraulic oil is released, so that the adjusting cylinder 12, the piston disc 13 and a hydraulic pipeline are prevented from being damaged.

Example 8

Referring to fig. 1, on the basis of embodiment 7, the lower end of the screw 15 is rotatably disposed at the bottom of the adjusting cylinder 12, the main shaft of the second motor 11 extends into the inner side of the lower portion of the adjusting cylinder 12, the lower portion of the screw 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 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 extends into the adjusting cylinder 12 and is directly meshed with the driven bevel gear 16 on the screw 15 through the driving bevel gear 17, and the rotating screw 15 rotates.

Example 9

Referring to fig. 1, in the 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, which can slow down the speed of the piston member 6 extending out of the cylinder 5, so that the piston member 6 can be pressed down smoothly and slowly, and the compressed spring 18 has a tendency of pushing the piston member 6 upwards, and when the hydraulic device pumps the hydraulic oil in the cylinder 5 back, the spring 18 is released to push the piston member 6 upwards, so that the piston member 6 can be retracted into the cylinder 5 quickly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.

Claims

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).