CN220226850U - Pipeline touch detection device in drilling - Google Patents
Pipeline touch detection device in drilling Download PDFInfo
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- CN220226850U CN220226850U CN202321922302.5U CN202321922302U CN220226850U CN 220226850 U CN220226850 U CN 220226850U CN 202321922302 U CN202321922302 U CN 202321922302U CN 220226850 U CN220226850 U CN 220226850U
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- hydraulic cylinder
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- pipeline
- feeler
- main hydraulic
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 title description 5
- 230000005484 gravity Effects 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006378 damage Effects 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 238000011835 investigation Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a drilling pipeline sounding device which comprises a main hydraulic cylinder arranged below a drill rod of an upper drilling machine and a sounding mechanism connected below the main hydraulic cylinder, wherein a pressure sensor is arranged between the drill rod and a piston rod of the main hydraulic cylinder, the sounding mechanism comprises a plurality of sounding hydraulic cylinders, a piston rod end of each sounding hydraulic cylinder is connected with a sounding rod, a diversion hole communicated with a rodless cavity of the main hydraulic cylinder is arranged at the bottom of a cylinder body of the main hydraulic cylinder, a multi-way joint is connected to the diversion hole, the rodless cavity of each sounding hydraulic cylinder is communicated with the multi-way joint through a diversion pipe, and a gravity type one-way valve is arranged between the diversion pipe and the rodless cavity of the sounding hydraulic cylinder. The utility model has the advantages of simple structure, reasonable design and strong practicability, can know the distribution condition of the whole pipeline within the diameter range of the drilling hole, effectively reduce the damage risk to the pipeline, and can effectively improve the pipeline sounding precision and sounding efficiency.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering investigation and drilling, and particularly relates to a pipeline sounding device in a drilling hole.
Background
The national economic construction is not separated from various building engineering constructions, and when the building engineering construction is carried out, the construction exploration is not separated from the engineering construction to provide site geological data for building design and construction.
At present, with rapid development of projects such as urban house construction and subway municipal administration, engineering geological drilling is increasingly more in the urban range, and a large amount of buried pipelines and miscellaneous fill such as tile fragments left by early construction are distributed in the city, especially when the municipal roads with pipeline risks are drilled, whether pipelines or tile fragments are difficult to distinguish when hard objects or pipelines are encountered in the drilling construction process, and the risk of pipeline damage is extremely high, and meanwhile, timely shutdown and investigation are also required, so that the production efficiency is seriously affected. Currently, for such problems, methods commonly adopted are pipeline detection, manual exploratory well excavation and elimination and manual Luoyang shovel investigation in a borehole. The pipeline detection method is to detect pipelines on the ground surface in a geophysical prospecting mode, so that pipeline risks are eliminated, and the method has the defects that the geophysical prospecting has certain errors, particularly the errors of non-metal pipelines or pipelines with large burial depths are large, and the problems that the buried objects left in the early construction in the city are more, the geophysical prospecting precision is not high, and the risks cannot be completely eliminated. The manual exploratory well excavation and elimination method adopts manual work to break municipal roads, and the exploratory well with the diameter of 60cm is excavated downwards until the original soil layer, so that pipeline risks are eliminated, and the defects of the method are as follows: (1) time and labor are wasted, the excavation depth cannot be determined (2), the exploratory well is at risk of collapse and has serious potential safety hazards (4), the exploratory well cannot be backfilled tightly, the well head is obvious in later settlement, the road is obviously damaged, and the traffic hidden trouble exists in the later stage. The manual Luoyang shovel investigation method in the drilling hole adopts the manual Luoyang shovel to explore in the hole when the drilling hole drills into a certain depth to meet a pipeline, and the defects or shortcomings of the method are that: (1) the Luoyang shovel has low efficiency on filling the miscellaneous soil, (2) the cutting edge of the Luoyang shovel can damage the pipeline, (3) the Luoyang shovel is too deep to work, and (4) the diameter of the Luoyang shovel is far smaller than the diameter of the drilling hole, so that the distribution condition of the whole pipeline in the range of the drilling hole diameter can not be known.
The working method has the advantages of large error precision, low efficiency and certain potential safety hazard, so that a novel in-hole sounding device is needed, and drilling efficiency can be improved while damage risk to a pipeline is reduced.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and provides the pipeline sounding device in the drilling hole, which has the advantages of simple structure, reasonable design and strong practicability, can be used for knowing the distribution condition of the whole pipeline in the diameter range of the drilling hole, effectively reducing the damage risk to the pipeline, and effectively improving the pipeline sounding precision and the sounding efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme: a borehole inner pipeline touch device which is characterized in that: the hydraulic system comprises a main hydraulic cylinder arranged below a drill rod of an upper drilling machine and a feeler mechanism connected below the main hydraulic cylinder, wherein a pressure sensor is arranged between the drill rod and a piston rod of the main hydraulic cylinder, the feeler mechanism comprises a plurality of feeler hydraulic cylinders, each piston rod end of each feeler hydraulic cylinder is connected with a feeler rod, a shunting hole communicated with a rodless cavity of the main hydraulic cylinder is arranged at the bottom of a cylinder body of the main hydraulic cylinder, a multi-way joint is connected to the shunting hole, each rodless cavity of each feeler hydraulic cylinder is communicated with the multi-way joint through a diversion pipe, and a gravity type one-way valve is arranged between the diversion pipe and the rodless cavity of each feeler hydraulic cylinder.
Foretell a drilling pipeline sounding device, its characterized in that: the drill rod is connected with a pressure sensor through a threaded connector, and a transmission shaft is connected between the pressure sensor and a piston rod of the main hydraulic cylinder.
Foretell a drilling pipeline sounding device, its characterized in that: the multi-way joint is a five-way joint, and the number of the sounding hydraulic cylinders is four.
Foretell a drilling pipeline sounding device, its characterized in that: the sounding mechanism further comprises a protective cover, the protective cover is connected to the bottom of the cylinder body of the main hydraulic cylinder, four guide pipes are uniformly distributed in the protective cover along the circumferential direction of the protective cover, and the cylinder bodies of the four sounding hydraulic cylinders are uniformly distributed in the protective cover along the circumferential direction of the protective cover.
Foretell a drilling pipeline sounding device, its characterized in that: and a through hole for a joint connected with the shunt hole on the multi-way joint to pass through is formed in the protective cover.
Foretell a drilling pipeline sounding device, its characterized in that: the utility model discloses a touch screen, including the protection casing, be provided with in the protection casing and be used for carrying out the annular fixer that fixes four touch screen hydraulic cylinder, touch screen hydraulic cylinder connects between the inner wall of outer lane and protection casing of annular fixer, be provided with the cross in the annular fixer and prop.
Foretell a drilling pipeline sounding device, its characterized in that: the gravity type check valve is characterized in that a metal valve ball and a pipe groove are arranged in the gravity type check valve, the pipe groove is in an inverted truncated cone shape, the diameter of the metal valve ball is larger than the diameter of the small-diameter end of the pipe groove, and the diameter of the metal valve ball is smaller than the diameter of the large-diameter end of the pipe groove.
Foretell a drilling pipeline sounding device, its characterized in that: the lower end of the feeler stick is arc-shaped.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the main hydraulic cylinder with the flow dividing holes is arranged below the drill rod, the plurality of sounding hydraulic cylinders are connected below the flow dividing holes through the multi-way joint, and the trend of hydraulic oil between the main hydraulic cylinder and the sounding hydraulic cylinders is flexibly controlled through the gravity type one-way valve, so that the pipeline detection by the touch probe is facilitated, the damage risk to the pipeline is reduced, the pipeline sounding precision can be effectively improved, and meanwhile, the distribution condition of the whole pipeline in the diameter range of a drilled hole can be known.
2. According to the utility model, the pressure sensor is arranged between the drill rod and the main hydraulic cylinder, so that the drilling pressure of the drill rod can be effectively controlled according to the pressure detected by the pressure sensor, damage to a pipeline is avoided, and the pipeline sounding efficiency can be improved, so that the pipeline sounding can be stopped in time when the pipeline is detected.
In conclusion, the pipeline sounding device is simple in structure, reasonable in design and high in practicability, the distribution condition of the whole pipeline in the diameter range of the drilled hole can be known, the damage risk to the pipeline is effectively reduced, and the pipeline sounding precision and the sounding efficiency can be effectively improved.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of fig. 1 with the protective cover broken away.
Fig. 3 is a schematic diagram of a connection structure between a multi-way joint and a flow guiding pipe according to the present utility model.
Fig. 4 is a schematic view of the internal structure of the gravity check valve of the present utility model.
FIG. 5 is a schematic view of the positional relationship of the shield, ring holder, feeler cylinder and ring holder of the present utility model.
Reference numerals illustrate:
1-a drill rod; 2-a threaded connector; 3-a pressure sensor;
4-a transmission shaft; 5-a main hydraulic cylinder; 6-a diversion hole;
7-a flow guiding pipe; 8-a gravity type one-way valve; 9-a metal valve ball;
10-a tube groove; 11-a feeler hydraulic cylinder; 12-ring-shaped holder;
13-a touch probe; 14-a multi-way joint; 15-cross support;
16-a protective cover.
Detailed Description
As shown in fig. 1 to 5, the utility model comprises a main hydraulic cylinder 5 arranged below a drill rod 1 of an upper drilling machine and a feeler mechanism connected below the main hydraulic cylinder 5, wherein a pressure sensor 3 is arranged between the drill rod 1 and a piston rod of the main hydraulic cylinder 5, the feeler mechanism comprises a plurality of feeler hydraulic cylinders 11, a feeler rod 13 is connected to a piston rod end of each feeler hydraulic cylinder 11, a diversion hole 6 communicated with a rodless cavity of the main hydraulic cylinder 5 is arranged at the bottom of a cylinder body of the main hydraulic cylinder 5, a multi-way joint 14 is connected to the diversion hole 6, the rodless cavity of each feeler hydraulic cylinder 11 is communicated with the multi-way joint 14 through a diversion pipe 7, and a gravity check valve 8 is arranged between the diversion pipe 7 and the rodless cavity of the feeler hydraulic cylinder 11.
During actual use, the main hydraulic cylinder 5 with the diversion holes 6 is arranged below the drill rod 1, the plurality of sounding hydraulic cylinders 11 are connected below the diversion holes 6 through the multi-way joint 14, the trend of hydraulic oil between the main hydraulic cylinder 5 and the sounding hydraulic cylinders 11 is flexibly controlled through the gravity type check valve 8, the touch rod 13 is convenient to detect pipelines, the damage risk to the pipelines is reduced, the pipeline sounding precision can be effectively improved, and meanwhile, the distribution condition of the whole pipelines in the drilling diameter range can be known.
During concrete implementation, through setting up pressure sensor 3 between drilling rod 1 and master cylinder 5, can effectively control drilling rod 1 drilling pressure according to the pressure that pressure sensor 3 detected, and then avoid producing the destruction to the pipeline, can improve pipeline sounding efficiency simultaneously, can in time stop sounding when making it detect the pipeline.
In specific implementation, the piston rod of the main hydraulic cylinder 5 is arranged upwards, and the piston rod of the sounding hydraulic cylinder 11 is arranged downwards.
In this embodiment, the drill rod 1 is connected with a pressure sensor 3 through a threaded connector 2, and a transmission shaft 4 is connected between the pressure sensor 3 and a piston rod of a master hydraulic cylinder 5.
In actual use, the threaded connector 2 is arranged on the upper part of the pressure sensor 3, and the threaded connector 2 is in threaded connection with the drill rod 1.
The transmission shaft 4 and the pressure sensor 3, and the transmission shaft 4 and the piston rod of the master cylinder 5 are fixedly connected.
As shown in fig. 2 and 3, in this embodiment, the multi-way joint 14 is a five-way joint, and the number of the sounding hydraulic cylinders 11 is four.
In this embodiment, the sounding mechanism further includes a protection cover 16, the protection cover 16 is connected to the bottom of the main hydraulic cylinder 5, four of the flow guiding pipes 7 are uniformly arranged in the protection cover 16 along the circumferential direction of the protection cover 16, and four of the cylinders of the sounding hydraulic cylinders 11 are uniformly arranged in the protection cover 16 along the circumferential direction of the protection cover 16.
In particular, the shield 16 is cylindrical and is open at its bottom.
In this embodiment, the protection cover 16 is provided with a through hole for a connector of the multi-way connector 14 connected with the split hole 6 to pass through.
As shown in fig. 2 and 5, in this embodiment, an annular holder 12 for fixing four of the sounding cylinders 11 is disposed in the protection cover 16, the sounding cylinders 11 are connected between an outer ring of the annular holder 12 and an inner wall of the protection cover 16, and a cross brace 15 is disposed in the annular holder 12.
When in actual use, the cylinder body of the sounding hydraulic cylinder 11 is tightly fixed between the outer ring of the annular fixer 12 and the inner wall of the protective cover 16, the sounding hydraulic cylinder 11 is parallel to the central line of the annular fixer 12, and each end of the cross support 15 is provided with one sounding hydraulic cylinder 11.
The number of the ring-shaped holders 12 is two, and the two ring-shaped holders 12 are respectively positioned at the upper end and the lower end of the body of the sounding hydraulic cylinder 11.
In this embodiment, as shown in fig. 4, a metal valve ball 9 and a pipe groove 10 are disposed in the gravity check valve 8, the pipe groove 10 is in an inverted truncated cone shape, the diameter of the metal valve ball 9 is greater than the diameter of the small diameter end of the pipe groove 10, and the diameter of the metal valve ball 9 is smaller than the diameter of the large diameter end of the pipe groove 10.
In actual use, the large diameter end and the small diameter end of the pipe groove 10 are provided with notches.
In this embodiment, the lower end of the probe 13 is in a circular arc shape.
It should be noted that, the lower end of the touch probe 13 is arc-shaped, so that the pipeline is effectively prevented from being damaged in the touch probe 13 touch process.
When the device is actually used, the upper drilling machine is started, and the device is placed at the bottom of a drill hole through the drill rod 1, so that the touch probe 13 of the device is placed on a stratum at the bottom of the drill hole; the upper drilling machine is pressurized downwards through the drill rod 1, the pressure is controlled through the pressure sensor 3, the transmission shaft 4 pushes the piston rod of the main hydraulic cylinder 5 downwards to move, as hydraulic oil in the main hydraulic cylinder 5 is compressed, the pressure in the main hydraulic cylinder 5 is increased, the hydraulic oil downwards enters the gravity type check valve 8 through the flow dividing hole 6, the multi-way joint 14 and the flow guide pipe 7, at the moment, the metal valve ball 9 in the gravity type check valve 8 is attached to the pipe groove 10 at the small diameter end under the influence of the flow direction and the gravity of the hydraulic oil, the gravity type check valve 8 is locked, the sounding hydraulic cylinder 11 and the sounding rod 13 are also in a locking state, and the whole sounding device stretches and contracts relatively and is fixed; the upper drilling machine is continuously pressurized, and under the influence of downward pressure, the sounding rod 13 starts to penetrate into the soil layer downwards; when a certain touch probe 13 encounters a pipeline or a hard soil layer and is not penetrated, a piston rod in the corresponding touch probe hydraulic cylinder 14 moves upwards relatively to compress, so that the pressure of the touch probe hydraulic cylinder 14 is increased, when the pressure is higher than the pressure of the upper part of a metal valve ball 9 in a gravity type one-way valve 8 connected with the touch probe rod, the metal valve ball 13 in the gravity type one-way valve 8 moves upwards, a channel of the gravity type one-way valve 8 is opened, and at the moment, the pressure is transmitted into the rest gravity type one-way valves 8 and the upper part main hydraulic cylinder 5 through a multi-way joint 14 and is monitored through a hydraulic sensor 3; when the pressure sensor 3 displays that the pressure required by the sounding is reached, after the pressure is stable, the sounding is stopped, and the pressure value is recorded; the device is lifted upwards, at the moment, under the influence of gravity, the metal valve ball 9 in the gravity type one-way valve 8 is positioned at the small diameter end, the gravity type one-way valve 8 is in a locking state, and the relative position of the feeler stick 13 cannot be changed in the lifting process; after the device is lifted to the ground surface, recording the relative positions and the shortened lengths of the touch sticks 13, and analyzing the distribution condition of soil hardness or pipelines in the corresponding positions in the drilling holes; inverting the device, and stretching the touch probe 13 upwards, wherein at the moment, the metal valve ball 9 in the gravity type hydraulic one-way valve 13 is positioned at the large-diameter end, the gravity type hydraulic one-way valve 13 is in an open state, and hydraulic oil in the main hydraulic cylinder 5 flows back into the touch probe hydraulic cylinder 14, so that the touch probe 13 reaches an initial position; the device is connected with the drill rod 1, rotates in a certain direction, and places the hole bottom again for sounding, recording and analyzing, and the steps are repeated until the distribution condition of the lower pipeline is ascertained.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (8)
1. A borehole inner pipeline touch device which is characterized in that: including setting up main hydraulic cylinder (5) of drilling rod (1) below at upper portion rig and connecting the feeler mechanism in main hydraulic cylinder (5) below, be provided with pressure sensor (3) between the piston rod of drilling rod (1) and main hydraulic cylinder (5), feeler mechanism includes a plurality of feeler hydraulic cylinders (11), every the piston rod end of feeler hydraulic cylinder (11) all is connected with a feeler stick (13), the cylinder body bottom of main hydraulic cylinder (5) is provided with a reposition of redundant personnel hole (6) that are linked together rather than the rodless chamber, be connected with on reposition of redundant personnel hole (6) and connect (14) with the multiway joint (14) all in the rodless chamber of feeler hydraulic cylinder (11) through a honeycomb duct (7), be provided with gravity check valve (8) between the rodless chamber of honeycomb duct (7) and feeler hydraulic cylinder (11).
2. An in-borehole pipeline sounding device as recited in claim 1, wherein: the drill rod (1) is connected with the pressure sensor (3) through the threaded connector (2), and a transmission shaft (4) is connected between the pressure sensor (3) and a piston rod of the main hydraulic cylinder (5).
3. An in-borehole pipeline sounding device as recited in claim 1, wherein: the multi-way joint (14) is a five-way joint, and the number of the sounding hydraulic cylinders (11) is four.
4. A borehole pipeline sounding device as set forth in claim 3 wherein: the sounding mechanism further comprises a protective cover (16), the protective cover (16) is connected to the bottom of the cylinder body of the main hydraulic cylinder (5), the four guide pipes (7) are uniformly distributed in the protective cover (16) along the circumferential direction of the protective cover (16), and the cylinder bodies of the four sounding hydraulic cylinders (11) are uniformly distributed in the protective cover (16) along the circumferential direction of the protective cover (16).
5. An in-borehole pipeline sounding apparatus as set forth in claim 4, wherein: the protective cover (16) is provided with a through hole for a joint of the multi-way joint (14) connected with the shunt hole (6) to pass through.
6. An in-borehole pipeline sounding apparatus as set forth in claim 4, wherein: the utility model discloses a touch screen, including protection casing (16), be provided with in protection casing (16) be used for carrying out annular fixer (12) fixed to four touch screen hydraulic cylinder (11), touch screen hydraulic cylinder (11) connect between the inner wall of the outer lane of annular fixer (12) and protection casing (16), be provided with cross support (15) in annular fixer (12).
7. An in-borehole pipeline sounding device as recited in claim 1, wherein: be equipped with metal valve ball (9) and tube socket (10) in gravity check valve (8), tube socket (10) are the reverse round platform shape, the diameter of metal valve ball (9) is greater than the diameter of the small diameter end of tube socket (10), the diameter of metal valve ball (9) is less than the diameter of the big diameter end of tube socket (10).
8. An in-borehole pipeline sounding device as recited in claim 1, wherein: the lower end of the feeler stick (13) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922302.5U CN220226850U (en) | 2023-07-20 | 2023-07-20 | Pipeline touch detection device in drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922302.5U CN220226850U (en) | 2023-07-20 | 2023-07-20 | Pipeline touch detection device in drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226850U true CN220226850U (en) | 2023-12-22 |
Family
ID=89179963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321922302.5U Active CN220226850U (en) | 2023-07-20 | 2023-07-20 | Pipeline touch detection device in drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226850U (en) |
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2023
- 2023-07-20 CN CN202321922302.5U patent/CN220226850U/en active Active
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