CN113494108A - Scouring exploration excavation equipment and construction method - Google Patents
Scouring exploration excavation equipment and construction method Download PDFInfo
- Publication number
- CN113494108A CN113494108A CN202110874809.7A CN202110874809A CN113494108A CN 113494108 A CN113494108 A CN 113494108A CN 202110874809 A CN202110874809 A CN 202110874809A CN 113494108 A CN113494108 A CN 113494108A
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- exploration
- rotating member
- excavation
- pressure
- cylinder
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000009991 scouring Methods 0.000 title abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000011010 flushing procedure Methods 0.000 claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a scouring exploration and excavation device and a construction method, the scouring exploration and excavation device comprises a rotary scouring head, the rotary scouring head is provided with a water injection hole for supplying water, the water injection hole is connected with a high-pressure water inlet pipe and supplies water for the rotary scouring head, and the rotary scouring head is provided with rotary power through high-pressure high-speed water flow; a plurality of uniformly distributed spray heads are arranged below the rotary flushing head, and a sludge discharge pipe for backflow of muddy water is arranged at the top of the rotary flushing head; the exploration excavation equipment is connected with force limiting equipment used for limiting exploration excavation force.
Description
Technical Field
The invention relates to the field of municipal engineering, in particular to scouring exploration and excavation equipment and a construction method.
Background
At present, to the construction of exploring when the underground pipeline condition is undefined, the foundation ditch is visited and is dug generally the manual work and visit, and efficiency is lower, and the in-process often can't effectively strut, but the operation personnel need long-time operation in the foundation ditch, and the safety risk is great, if use mechanical excavation, then damage underground pipeline easily, arouse the communication to interrupt, the circumstances such as outage even gas leakage.
Disclosure of Invention
The invention aims to provide scouring exploration and excavation equipment and a construction method, which can be used for exploring and excavating underground pipelines more efficiently under the condition of not damaging the underground pipelines, improve the efficiency compared with manual exploration and excavation, avoid workers from staying in a foundation pit for a long time and reduce the safety risk.
In order to achieve the technical features, the invention is realized as follows: a scouring and exploring device comprises a scouring and exploring device for excavating, wherein the scouring and exploring device comprises a rotary scouring head, a water injection hole for supplying water is formed in the rotary scouring head, the water injection hole is connected with a high-pressure water inlet pipe and supplies water to the rotary scouring head, and rotary power is provided for the rotary scouring head through high-pressure high-speed water flow; a plurality of uniformly distributed spray heads are arranged below the rotary flushing head, and a sludge discharge pipe for backflow of muddy water is arranged at the top of the rotary flushing head; the exploration excavation equipment is connected with force limiting equipment used for limiting exploration excavation force.
The spray heads are arranged in an inclined mode.
The mud discharging pipe is a hollow metal pipe, the tail end of the mud discharging pipe is connected with a mud pump through a mud discharging hose, and mud water is pumped and discharged through the mud discharging pipe; the mud pipe is provided with a piston which is of a thin-wall cylinder structure, and an annular groove is formed in the outer side of the piston.
The force limiting device comprises a cylinder, a gas filling hole, a pressure release valve, a first torsion rotating member and a second torsion rotating member; the cylinder cavity, the upper and lower portion all has the apron, the apron middle part is equipped with the round hole, the round hole internal diameter on the apron is greater than the external diameter of mud pipe, and inlay the ring type seal in the round hole inboard, the lower part apron is used for limiting the piston, avoid limiting the piston and break away from the cylinder, the upper portion apron sets up with the gas pocket, the gas pocket passes through high-pressure gas pipe and is connected with the air compressor machine, be used for inflating for the cylinder and pressurize, the relief valve is used for controlling the pressure in the cylinder, automatic exhaust pressure release when pressure reaches certain numerical value, this numerical value is adjusted through the pressure release valve.
The first torque rotating member and the second torque rotating member are mounted on the outer wall of the cylinder, and are realized by adopting a torque wrench principle and can adjust the torque.
When the construction machinery is used specifically, the first torsion rotating member and the second torsion rotating member are connected with a mechanical arm of the construction machinery for driving the whole exploration and excavation equipment to move.
The construction machine employs an excavator with the bucket removed.
The construction method for carrying out foundation pit exploration and excavation by adopting the scouring exploration and excavation equipment comprises the following steps:
the method comprises the following steps: installing and checking the sealing condition between a sealing ring on the outer side of the piston and a cylinder of the force limiting device;
step two: penetrating the whole exploring and digging equipment into the cylinder from the lower part of the force limiting equipment, and fixedly installing an upper side cover plate and a lower side cover plate of the cylinder;
step three: connecting the second torsion rotating member with a mechanical arm of the construction machine;
step four: connecting a water injection hole with a high-pressure water pipe, connecting a sludge discharge pipe with a sludge discharge pump through a sludge discharge hose, and connecting an air filling hole with an air compressor through a high-pressure air pipe;
step five: setting maximum pressure values of the pressure release valve, the first torsion rotating member and the second torsion rotating member according to the condition of the pipeline to be excavated and in combination with the site geological condition;
step six: finishing the surface cleaning construction and hard barrier cleaning work, and preparing a slurry storage tank;
step seven: injecting high-pressure water to enable the rotary scouring head to spray high-pressure water flow and rotate, synchronously aerating the air cylinder, operating the mechanical arm to press and scour the soil layer, opening a slurry pump to discharge muddy water through a mud discharge pipe, and storing the muddy water in a mud storage tank;
step eight: after the foundation pit is flushed to a certain depth, the mechanical arm is operated to lift the exploration and excavation equipment out of position and then the flushing and mud discharging operations are continued.
In the seventh step, if the downward pressure of the mechanical arm is too large, the pressure release valve passively exhausts air, and the exploration and excavation equipment retracts to avoid damaging a cable to be explored and excavated; if the force is excessively applied in the horizontal direction, the first and second torsion rotation members may be released.
The invention has the following beneficial effects:
1. by adopting the scouring and exploring excavation equipment, the exploring excavation of the foundation pit can be realized through an exploring excavation mode of high-pressure water flow scouring, the underground pipelines can be effectively prevented from being damaged in the exploring excavation process, and the safety risk is reduced while the exploring excavation efficiency is ensured.
2. Through adopting the above-mentioned cooperation mode between cylinder and the gas filling hole, can provide corresponding pressure to whole rotatory punching head, and then provide the holding down force. And can control down force through pneumatic mode, guaranteed the security.
3. By using the first and second torsion rotating members, the entire apparatus can be connected to the robot arm, and pressure control of the entire apparatus can be achieved by the robot arm.
4. Through foretell arm connection structure can be convenient the whole overdraft that visits equipment of digging.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a diagram of a probing and excavating apparatus according to the present invention.
Fig. 3 is a front view of the force limiting device of the present invention.
Fig. 4 is a schematic view of the force limiting device of the present invention.
Fig. 5 is a side view of a simplified structural diagram of the force limiting device of the present invention.
FIG. 6 is a schematic view of the present invention during a concrete exploration and excavation operation.
In the figure: the device comprises a water injection hole 1, a rotary flushing head 2, a spray head 3, a mud pipe 4, a piston 5, a cylinder 6, a gas filling hole 7, a pressure release valve 8, a first torsion rotating member 9 and a second torsion rotating member 10.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-6, a scouring exploration and excavation device comprises an exploration and excavation device for excavation, wherein the exploration and excavation device comprises a rotary scouring head 2, a water injection hole 1 for supplying water is arranged on the rotary scouring head 2, the water injection hole 1 is connected with a high-pressure water inlet pipe and supplies water for the rotary scouring head 2, and rotary power is provided for the rotary scouring head 2 through high-pressure high-speed water flow; a plurality of uniformly distributed spray heads 3 are arranged below the rotary flushing head 2, and a sludge discharge pipe 4 for backflow of muddy water is arranged at the top of the rotary flushing head 2; the exploration excavation equipment is connected with force limiting equipment used for limiting exploration excavation force. By adopting the scouring and exploring excavation equipment, the exploration and excavation of the foundation pit can be realized through an exploring excavation mode of high-pressure water flow scouring, the underground pipelines can be effectively prevented from being damaged in the exploring excavation process, and the safety risk is reduced while the exploring excavation efficiency is ensured.
Further, the spray head 3 is arranged in an inclined mode. Through adopting the slope arrangement mode, with the help of the direction effort of rivers, drive rotatory brush head 2 autogiration, and then provide rotatory power, in addition, through adopting the slope mounting means, effectual expansion erodees the scope, has improved work efficiency.
Further, the mud discharging pipe 4 is a hollow metal pipe, the tail end of the mud discharging pipe 4 is connected with a mud pump through a mud discharging hose, and mud water is pumped and discharged through the mud discharging pipe 4; the mud pipe 4 is provided with a piston 5, the piston 5 is of a thin-wall cylinder structure, and an annular groove is formed in the outer side of the piston 5. The mud discharging process can be realized through the mud discharging pipe 4. During operation, the slurry formed by scouring enters the mud discharge pipe 4 and is discharged by the mud pump.
Further, the force limiting device comprises a cylinder 6, a gas filling hole 7, a pressure relief valve 8, a first torsion rotating member 9 and a second torsion rotating member 10; 6 hollows of cylinder, the upper and lower portion all has the apron, the apron middle part is equipped with the round hole, the round hole internal diameter on the apron is greater than the external diameter of mud pipe 4, and inlay the ring type seal in the round hole inboard, the lower part apron is used for restricting piston 5, avoid restricting piston 5 and break away from cylinder 6, the upper portion apron sets up air entrainment hole 7, air entrainment hole 7 passes through high-pressurepipe and is connected with the air compressor machine, be used for inflating for cylinder 6 and pressurize, relief valve 8 is used for controlling the pressure in the cylinder 6, automatic exhaust pressure release when pressure reaches certain numerical value, this numerical value is adjusted through relief valve 8. The force limiting device can be used for controlling the excavation force in the construction process. In the course of the work, can provide high-pressure gas to cylinder 6 through adding gas pocket 7, go down through high-pressure gas control piston 5, go down through piston 5 control mud pipe 4, and then push down rotatory towards brush head 2 through mud pipe 4, realize corresponding spy digging with the help of rotatory towards brush head 2.
Further, the first and second torque rotation members 9 and 10 are mounted on an outer wall of the cylinder 6, and the first and second torque rotation members 9 and 10 are implemented by using a torque wrench principle and can adjust the magnitude of the torque. The entire apparatus can be moved by the first and second torsion rotating members 9 and 10 described above. And the safety of exploration and excavation is ensured by controlling the downward pressure.
Further, in a specific use, the first torsion rotating member 9 and the second torsion rotating member 10 are connected to a mechanical arm of the construction machine for driving the whole exploration and excavation equipment to move. Through foretell arm connection structure can be convenient the whole overdraft that visits equipment of digging.
Further, the construction machine employs an excavator after the bucket is removed.
Example 2:
the construction method for carrying out foundation pit exploration and excavation by adopting the scouring exploration and excavation equipment comprises the following steps:
the method comprises the following steps: installing and checking the sealing condition between a sealing ring on the outer side of the piston 5 and a cylinder 6 of the force limiting device;
step two: the whole exploring and digging equipment is penetrated into the cylinder 6 from the lower part of the force limiting equipment, and an upper side cover plate and a lower side cover plate of the cylinder 6 are fixedly installed;
step three: connecting the second torsion rotating member 10 with a robot arm of the construction machine;
step four: connecting the water injection hole 1 with a high-pressure water pipe, connecting a sludge discharge pipe 4 with a sludge discharge pump through a sludge discharge hose, and connecting the air adding hole 7 with an air compressor through a high-pressure air pipe;
step five: setting the maximum pressure values of the pressure relief valve 8, the first torsion rotating member 9 and the second torsion rotating member 10 according to the condition of the pipeline to be excavated and in combination with the geological condition of the site;
step six: finishing the surface cleaning construction and hard barrier cleaning work, and preparing a slurry storage tank;
step seven: injecting high-pressure water to enable the rotary flushing head 2 to spray high-pressure water flow and rotate, aerating the air cylinder 6 synchronously, operating the mechanical arm to press down to flush a soil layer, opening a slurry pump to discharge muddy water through the mud discharge pipe 4, and storing the muddy water in a mud storage tank;
step eight: after the foundation pit is flushed to a certain depth, the mechanical arm is operated to lift the exploration and excavation equipment out of position and then the flushing and mud discharging operations are continued.
In the seventh step, if the downward pressure of the mechanical arm is too large, the pressure release valve 8 passively exhausts air, and the exploration and excavation equipment retracts to avoid damaging a cable to be explored; if the force is excessively applied in the horizontal direction, the first and second torsion- rotation members 9 and 10 are released.
Claims (9)
1. The utility model provides a erode and visit equipment of digging which characterized in that: the water injection hole (1) is connected with a high-pressure water inlet pipe and supplies water for the rotary flushing head (2), and the rotary flushing head (2) is provided with rotary power through high-pressure high-speed water flow; a plurality of uniformly distributed spray heads (3) are arranged below the rotary flushing head (2), and a sludge discharge pipe (4) for backflow of muddy water is arranged at the top of the rotary flushing head (2);
the exploration excavation equipment is connected with force limiting equipment used for limiting exploration excavation force.
2. The scour exploration excavation apparatus of claim 1, wherein: the spray head (3) is arranged in an inclined mode.
3. The scour exploration excavation apparatus of claim 1, wherein: the mud discharging pipe (4) is a hollow metal pipe, the tail end of the mud discharging pipe (4) is connected with a mud pump through a mud discharging hose, and mud water is pumped and discharged through the mud discharging pipe (4); the mud discharging pipe (4) is provided with a piston (5), the piston (5) is of a thin-wall cylinder structure, and an annular groove is formed in the outer side of the piston (5).
4. The scour exploration excavation apparatus of claim 1, wherein: the force limiting device comprises a cylinder (6), an air adding hole (7), a pressure relief valve (8), a first torsion rotating member (9) and a second torsion rotating member (10); cylinder (6) cavity, it all has the apron to go up the lower part, the apron middle part is equipped with the round hole, round hole internal diameter on the apron is greater than the external diameter of mud pipe (4), and inlay the ring type seal inboard at the round hole, the lower part apron is used for limiting piston (5), avoid limiting piston (5) and break away from cylinder (6), the upper portion apron sets up with gas pocket (7), it is connected with the air compressor machine through high-pressurepipe to add gas pocket (7), be used for inflating pressurization for cylinder (6), relief valve (8) are used for controlling the pressure in cylinder (6), automatic exhaust pressure release when pressure reaches certain numerical value, this numerical value is adjusted through relief valve (8).
5. The scour exploration excavation apparatus of claim 4, wherein: the first torque rotating member (9) and the second torque rotating member (10) are installed on the outer wall of the cylinder (6), and the first torque rotating member (9) and the second torque rotating member (10) are realized by adopting a torque wrench principle and can adjust the torque.
6. The scour exploration excavation apparatus of claim 5, wherein: when the construction machine is used specifically, the first torsion rotating member (9) and the second torsion rotating member (10) are connected with a mechanical arm of the construction machine for driving the whole exploration and excavation equipment to move.
7. The scour exploration excavation apparatus of claim 6, wherein: the construction machine employs an excavator with the bucket removed.
8. A construction method for conducting excavation by excavation of a foundation pit by using the flushing excavation equipment of any one of claims 1 to 7, comprising the steps of:
the method comprises the following steps: installing and checking the sealing condition between a sealing ring on the outer side of the piston (5) and a cylinder (6) of the force limiting device;
step two: the whole exploring and digging equipment is penetrated into the cylinder (6) from the lower part of the force limiting equipment, and an upper side cover plate and a lower side cover plate of the cylinder (6) are fixedly installed;
step three: connecting the second torque force rotating member (10) with a robot arm of the construction machine;
step four: connecting the water injection hole (1) with a high-pressure water pipe, connecting a sludge discharge pipe (4) with a sludge discharge pump through a sludge discharge hose, and connecting the air feeding hole (7) with an air compressor through a high-pressure air pipe;
step five: setting the maximum pressure values of the pressure relief valve (8), the first torsion rotating member (9) and the second torsion rotating member (10) according to the condition of the pipeline to be excavated and in combination with the site geological condition;
step six: finishing the surface cleaning construction and hard barrier cleaning work, and preparing a slurry storage tank;
step seven: injecting high-pressure water to enable the rotary flushing head (2) to spray high-pressure water flow and rotate, aerating the air cylinder (6) synchronously, operating the mechanical arm to press down to flush a soil layer, opening a slurry pump to discharge muddy water through the mud discharge pipe (4), and storing the muddy water in a mud storage tank;
step eight: after the foundation pit is flushed to a certain depth, the mechanical arm is operated to lift the exploration and excavation equipment out of position and then the flushing and mud discharging operations are continued.
9. The construction method for carrying out foundation pit exploration by using the flushing exploration equipment as claimed in claim 8, wherein in the seventh step, if the downward pressure of the mechanical arm is too large, the pressure release valve (8) can passively exhaust, and the exploration equipment can retract to avoid damaging a cable to be explored; if the force is excessively applied in the horizontal direction, the first torsion rotating member (9) and the second torsion rotating member (10) are released.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166707.0A CN115387416B (en) | 2021-07-30 | 2021-07-30 | Construction method for foundation pit excavation by adopting scouring excavation equipment |
| CN202110874809.7A CN113494108B (en) | 2021-07-30 | 2021-07-30 | Scouring exploration and excavation equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110874809.7A CN113494108B (en) | 2021-07-30 | 2021-07-30 | Scouring exploration and excavation equipment |
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| CN202211166707.0A Division CN115387416B (en) | 2021-07-30 | 2021-07-30 | Construction method for foundation pit excavation by adopting scouring excavation equipment |
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| CN113494108A true CN113494108A (en) | 2021-10-12 |
| CN113494108B CN113494108B (en) | 2022-11-08 |
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| CN202211166707.0A Active CN115387416B (en) | 2021-07-30 | 2021-07-30 | Construction method for foundation pit excavation by adopting scouring excavation equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115387416B (en) | 2023-08-15 |
| CN113494108B (en) | 2022-11-08 |
| CN115387416A (en) | 2022-11-25 |
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