CN209873840U - Pneumatic caisson excavation device - Google Patents
Pneumatic caisson excavation device Download PDFInfo
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- CN209873840U CN209873840U CN201920277088.XU CN201920277088U CN209873840U CN 209873840 U CN209873840 U CN 209873840U CN 201920277088 U CN201920277088 U CN 201920277088U CN 209873840 U CN209873840 U CN 209873840U
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- pressure sensor
- camera
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Abstract
The utility model discloses an atmospheric pressure caisson excavation device, it is including sinking the box, airtight being fixed with on the lower part inner wall of sinking the box is used for the sealed seal baffle to caisson body bottom, seal baffle's bottom end fixed mounting has many cantilevers to dig the machine, the intercommunication has dregs outer discharge passageway and compressed air pipe on the seal baffle, seal baffle's bottom end-mounting is used for digging the basis and carries out the camera of keeping watch on and is used for carrying out pressure monitoring's pressure sensor to caisson body bottom seal cavity, cantilever is dug machine, camera and pressure sensor and is linked to each other with the industrial computer that is used for controlling its work through the signal line respectively. The operation process of fetching earth and excavating in the intelligent control caisson construction process is realized, the supporting condition of the caisson is monitored in real time, the posture of the cantilever excavator is reasonably adjusted, the excavating and fetching operation range is controlled, and the purpose of quickly fetching earth and efficiently excavating the caisson is achieved.
Description
Technical Field
The utility model belongs to the technical field of large-scale caisson excavation operation, a large-scale atmospheric pressure caisson excavation under complicated geological conditions is related to, mainly used caisson excavation borrowing operation.
Background
With the development of the construction business of the national traffic infrastructure, the large caisson foundation is increasingly widely applied, and the caisson excavation sinking method is also more and more emphasized. When the ordinary caisson is excavated and sunk, the construction efficiency of the existing caisson is low due to the fact that the elevation condition of the bottom of a pan is not clear and manual operation is difficult, and the ordinary caisson soil taking method cannot meet the requirement of large-scale caisson on quick soil taking. The supporting condition of the caisson is remotely monitored in real time, the bottom cantilever excavator is reasonably adjusted and distributed, and the key for guaranteeing the efficient and rapid construction of the caisson is to enhance the excavation operation effect of the caisson.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient device of fetching earth of atmospheric pressure caisson excavation has realized the operation process of fetching earth excavation in the intelligent control caisson work progress, and the real time monitoring caisson supports the condition, and reasonable adjustment cantilever digs quick-witted gesture, control excavation operation scope of fetching earth reaches the purpose of the high-efficient excavation of fetching earth of caisson fast.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the pneumatic caisson excavating device comprises a caisson body, wherein a sealing partition plate used for sealing the bottom of the caisson body is airtightly fixed on the inner wall of the lower portion of the caisson body, a plurality of cantilevers are fixedly mounted on the end face of the bottom of the sealing partition plate, an outer discharging channel of muck and a compressed air pipe are communicated with the sealing partition plate, a camera used for monitoring an excavating foundation and a pressure sensor used for monitoring the pressure of a sealed cavity at the bottom of the caisson body are mounted on the end face of the bottom of the sealing partition plate, and the cantilevers, the camera and the pressure sensor are respectively connected with an industrial computer used for controlling the work of the cantilevers, through signal lines.
And the inner end surface of the bottom of the sinking box body is provided with a soil body cutting edge used for sinking.
The cantilever excavators are arranged at the bottom of the sealing partition plate in an equidistant array mode, and the sum of the extension ranges of all the cantilever excavators can cover the bottom area of the whole sinking box body.
The upper part of the sealing clapboard is also communicated with a manual overhaul channel.
The signal output end of the pressure sensor is connected with an industrial computer through a signal wire, and the video signal output end of the camera is connected with the industrial computer through a video wire.
The industrial computer is fixedly arranged on the top of the operating platform.
The compressed air pipe is connected with an air compressor, the air compressor is connected with an industrial computer, and the air compressor is matched with a pressure sensor to form a feedback adjusting system.
The utility model discloses there is following beneficial effect:
1. through the excavation device that adopts above-mentioned structure, the support condition of the heavy box of remote monitoring in real time to automatic adjustment distributes the position that the machine was dug to bottom cantilever, and then adjusts the posture that the machine was dug to the cantilever, and the control excavation is got native working range, has reached the purpose that the heavy box was got native high efficiency and was excavated fast.
2. Can gather the excavation condition of excavation basis often through the camera to transmit the excavation condition for industrial computer, and then carry out the analysis to the excavation condition.
3. Through adopting the feedback governing system of above-mentioned structure can be automatic carry out atmospheric pressure monitoring to caisson body bottom high-pressure seal area to transmit its pressure signal for industrial computer, industrial computer is through comparing with ground water level pressure after, the power of feedback regulation air compressor machine, and make high-pressure seal area's pressure and ground water level pressure keep unanimous. And then guaranteed that the excavation process is in anhydrous operational environment all the time.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is a diagram of the working coverage area of the cantilever excavator of the present invention.
Fig. 3 is a control system diagram of the present invention.
In the figure: the device comprises an operating platform 1, an industrial computer 2, a signal line 3, a caisson body 4, a sealing partition plate 5, a cantilever excavator 6, an excavation foundation 7, a soil body cutting edge 8, a cantilever excavator connecting seat 9, a compressed air pipe 10, a muck discharging channel 11, a camera 13, a pressure sensor 14, an arm extension range 15 and an air compressor 16.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1:
referring to fig. 1-3, the pneumatic caisson excavating device comprises a caisson body 4, a sealing partition plate 5 used for sealing the bottom of the caisson body 4 is hermetically fixed on the inner wall of the lower portion of the caisson body 4, a plurality of cantilever excavators 6 are fixedly mounted on the bottom end face of the sealing partition plate 5, a muck discharging channel 11 and a compressed air pipe 10 are communicated on the sealing partition plate 5, a camera 13 used for monitoring an excavating foundation 7 and a pressure sensor 14 used for monitoring the pressure of a sealed cavity at the bottom of the caisson body 4 are mounted on the bottom end face of the sealing partition plate 5, and the cantilever excavators 6, the camera 13 and the pressure sensor 14 are respectively connected with an industrial computer 2 used for controlling the operation of the caisson body through signal lines 3. Through adopting the excavation device of above-mentioned structure, can real time remote monitoring sink the support condition of box 4 to automatic adjustment distributes the position that the machine 6 was dug to bottom cantilever, and then adjusts the gesture of cantilever machine 6 of digging, and the control excavation is got native operating range, has reached the purpose of sinking quick borrowing high-efficient excavation of box 4. The boom excavator 6 in this example is of the same construction as an excavator excavating arm, and comprises a boom, a forearm and a bucket which are driven to rotate by hydraulic pressure, and a rotatable base.
Further, the inner end face of the bottom of the sinking box body 4 is provided with a soil cutting edge 8 for sinking. By adopting the soil body cutting edge 8, the sinking box body 4 can be conveniently and automatically sunk in the excavation process.
Further, a plurality of the cantilever excavators 6 are arranged at the bottom of the seal partition plate 5 in an equidistant array, and the sum of the span ranges 15 of all the cantilever excavators 6 can cover the bottom area of the whole caisson body 4. By adopting the arrangement mode, the pan bottom can be covered in all directions, the optimal excavation effect is achieved, and the excavation efficiency is improved. As shown in fig. 2, the equidistant arrays are arranged in an array of substantially concentric rings, each ring structure having a respective boom excavator 6 equidistantly arranged with a center point having a boom excavator 6.
Furthermore, the upper part of the sealing partition plate 5 is also communicated with a manual maintenance channel 12. Through artifical maintenance passageway 12 can make things convenient for the staff to enter into the bottom of caisson body 4, and then conveniently overhaul its internal plant.
Further, the signal output end of the pressure sensor 14 is connected with the industrial computer 2 through a signal line, and the video signal output end of the camera 13 is connected with the industrial computer 2 through a video line. The camera 13 can collect the excavation condition of the excavation foundation 7 at any time, and transmit the excavation condition to the industrial computer 2, so as to analyze the excavation condition.
Further, the industrial computer 2 is fixedly installed on the top of the operation table 1. The operation table 1 can support the industrial computer 2 and is convenient for control operation of other parts.
Further, the compressed air pipe 10 is connected with an air compressor 16, and the air compressor 16 is connected with the industrial computer 2 and is matched with the pressure sensor 14 to form a feedback regulation system. Through adopting the feedback regulation system of above-mentioned structure can be automatic carry out atmospheric pressure monitoring to the high-pressure seal area in caisson 4 bottom to transmit its pressure signal for industrial computer 2, industrial computer 2 is through comparing with ground water level pressure after, the power of feedback regulation air compressor machine 16, and make the pressure in high-pressure seal area and ground water level pressure keep unanimous. And then guaranteed that the excavation process is in anhydrous operational environment all the time.
Further, in order to improve the convenience of control, the industrial computer 2 can be communicated with the cantilever excavator 6, the camera 13 and the pressure sensor 14 in a remote wireless communication mode, so that the control efficiency is greatly improved.
Further, the control between the industrial computer 2 and the boom shovel 6 can also be controlled manually.
Example 2:
the use method of any one pneumatic caisson excavation device comprises the following steps:
the method comprises the following steps: a sealing partition plate 5 is arranged at the bottom of the caisson body 4, and a plurality of cantilever excavators 6 are symmetrically and uniformly arranged below the sealing partition plate 5 along the center of the caisson body 4;
step two: installing a compressed air pipe 10, connecting the compressed air pipe with an air compressor 16, and forming a high-pressure sealing area between the sealing partition plate 5 and the excavated foundation 7 by using helium mixed gas;
step three: controlling the corresponding cantilever excavator 6 through the industrial computer 2, and adjusting the vertical angle and the horizontal direction of the cantilever excavator 6 to perform excavation and soil taking operation;
step four: during soil taking operation, soil excavated in the high-pressure sealing area is extracted and discharged outside the caisson body 4 by using the muck discharge channel 11;
step five: after the excavation of one working layer is finished, monitoring the excavation condition of the excavation foundation 7 in real time through the camera 13, transmitting pictures to the remote industrial computer 2, analyzing the caisson supporting condition through the industrial computer 2, remotely controlling and adjusting the vertical angle and the horizontal direction of the cantilever excavator 6, and performing three-dimensional excavation operation;
step six: the pressure sensor 14 monitors the pressure of the high-pressure sealing area in real time in the excavation process, the pressure signal is transmitted to the industrial computer 2, and after the industrial computer 2 compares the pressure with the underground water level pressure, the power of the air compressor 16 is fed back and adjusted, so that the pressure of the high-pressure sealing area is consistent with the underground water level pressure.
And fifthly, supporting conditions of the caisson comprise the diameter of the bottom of the excavation foundation 7, the depth of the bottom of the excavation foundation, and the relative position of the soil body and the caisson body 4.
The above-mentioned embodiments are provided for explaining the present invention, and not for limiting the present invention, and any modifications and changes made to the present invention are within the spirit of the present invention and the scope of the claims and fall within the scope of the present invention.
Claims (7)
1. Atmospheric pressure caisson excavation device, it is including sinking box (4), it is used for to sinking box (4) bottom seal's sealed baffle (5), its characterized in that to airtight being fixed with on the lower part inner wall of box (4) to sink: the bottom end face of sealing baffle (5) is fixed with many cantilever diggers (6), the intercommunication has dregs outer discharge passageway (11) and compressed air pipe (10) on sealing baffle (5), the bottom end face of sealing baffle (5) is installed and is used for digging camera (13) that basis (7) were kept watch on and be used for carrying out pressure monitoring's pressure sensor (14) to sinking box (4) bottom seal cavity, cantilever digger (6), camera (13) and pressure sensor (14) link to each other with industrial computer (2) that are used for controlling its work through signal line (3) respectively.
2. The pneumatic caisson excavation apparatus of claim 1, wherein: and a soil body cutting edge (8) used for sinking is arranged on the inner end surface of the bottom of the sinking box body (4).
3. The pneumatic caisson excavation apparatus of claim 1, wherein: the cantilever excavators (6) are arranged at the bottom of the sealing partition plate (5) in an equidistant array mode, and the sum of the arm spread ranges (15) of all the cantilever excavators (6) can cover the bottom area of the whole sinking box body (4).
4. The pneumatic caisson excavation apparatus of claim 1, wherein: the upper part of the sealing clapboard (5) is also communicated with an artificial overhaul channel (12).
5. The pneumatic caisson excavation apparatus of claim 1, wherein: the signal output end of the pressure sensor (14) is connected with the industrial computer (2) through a signal line, and the video signal output end of the camera (13) is connected with the industrial computer (2) through a video line.
6. The pneumatic caisson excavation apparatus of claim 1, wherein: the industrial computer (2) is fixedly arranged on the top of the operating platform (1).
7. The pneumatic caisson excavation apparatus of claim 1, wherein: the compressed air pipe (10) is connected with an air compressor (16), the air compressor (16) is connected with the industrial computer (2) and is matched with the pressure sensor (14) to form a feedback adjusting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277088.XU CN209873840U (en) | 2019-03-05 | 2019-03-05 | Pneumatic caisson excavation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277088.XU CN209873840U (en) | 2019-03-05 | 2019-03-05 | Pneumatic caisson excavation device |
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| CN209873840U true CN209873840U (en) | 2019-12-31 |
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| CN201920277088.XU Active CN209873840U (en) | 2019-03-05 | 2019-03-05 | Pneumatic caisson excavation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853603A (en) * | 2019-03-05 | 2019-06-07 | 中交第二航务工程局有限公司 | Pneumatic caisson excavating device and its application method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853603A (en) * | 2019-03-05 | 2019-06-07 | 中交第二航务工程局有限公司 | Pneumatic caisson excavating device and its application method |
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