CN117949242B - Hydrogeological engineering investigation sampling equipment and application method thereof - Google Patents
Hydrogeological engineering investigation sampling equipment and application method thereof Download PDFInfo
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- CN117949242B CN117949242B CN202410353515.3A CN202410353515A CN117949242B CN 117949242 B CN117949242 B CN 117949242B CN 202410353515 A CN202410353515 A CN 202410353515A CN 117949242 B CN117949242 B CN 117949242B
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- 238000005070 sampling Methods 0.000 title claims abstract description 91
- 238000011835 investigation Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 93
- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000005553 drilling Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 3
- 230000035939 shock Effects 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of detection devices, in particular to hydrogeological engineering investigation sampling equipment and a use method thereof. A hydrogeological engineering survey sampling device includes a mounting frame, a drill cylinder, a protective film, and a retaining assembly. The drill cylinder is installed on the mounting frame, and the protection film is tubular structure and has elasticity, and the retaining assembly includes a plurality of retaining bars, and a plurality of retaining bars set up around first direction interval and can follow first direction relatively drill cylinder in the drill cylinder. According to the hydrogeological engineering investigation sampling equipment, the raised protective film is directly contacted with the sample core, so that the sample core is prevented from being directly contacted with the drill barrel, the influence of vibration action on the sample core in the rotation and movement processes of the drill barrel can be reduced to a certain extent, the conditions of soil layer mixing, transfer and the like generated by the sample core in the drill barrel are reduced, and the sampling accuracy is improved.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to hydrogeological engineering investigation sampling equipment and a use method thereof.
Background
Hydrogeological engineering survey refers to the work of hydrogeological investigation performed to ascertain the hydrogeological conditions of a region. The method aims at grasping the cause and distribution of groundwater and surface water and the motion rule thereof, and provides basis for reasonably exploiting and utilizing water resources and accurately carrying out the design and construction of pile driving engineering.
The soil sampler is a common investigation sampling equipment, under the action of external power, the sampler is inserted into the ground, the inner cavity of the sampler is utilized to sample soil layers, a cylindrical soil sample core is formed, but soil at the bottom of the sampler is easy to fall, so that the sampling integrity of the sampler is poor, and the retaining effect of the structure among multiple soil layers is poor.
The Chinese patent with the publication number of CN220304875U discloses a soil detection sampling device, after clamping samples by mutually closing two clamping plates, the sampling tube is drawn out, and the sampling core is clamped under the strength of the clamping plates in the operation mode, so that the friction force between the sampling core and the clamping plates is increased, the risk of dropping the samples is reduced, and the success rate of sampling is effectively ensured. However, due to the lack of control over the sample cores, in the process that the motor drives the sampling tube and the clamping plate to rotate and move through the driving mechanism, vibration force generated by the motor can be directly transmitted to the sampling tube and the clamping plate, so that the sample cores which are directly contacted with the sampling tube and the clamping plate are also subjected to the action of vibration force generated by the motor, and further, the sample cores in the sampling tube are easy to generate conditions of soil layer mixing, transferring and the like, so that the obtained sample cores are distorted, and the detection result is influenced.
Disclosure of Invention
The invention provides hydrogeological engineering investigation sampling equipment and a use method thereof, which aim to solve the problems that the existing sampling equipment is easy to cause soil mixing, transfer and other conditions of soil in a sampling tube when sampling is carried out, so that the obtained sample core is distorted and the detection result is influenced.
The invention relates to hydrogeological engineering investigation sampling equipment which adopts the following technical scheme: a hydrogeological engineering investigation sampling device comprises a mounting frame, a drilling cylinder, a protective film and a holding assembly; the mounting frame can be movably arranged along a first direction, the first direction is a vertical direction, the drilling barrel is mounted on the mounting frame, and the drilling barrel can rotate around the first direction relative to the mounting frame and can move along with the mounting frame in the first direction; the protective film is of a cylindrical structure and has elasticity, both ends of the protective film in the first direction are open, the protective film always has a trend of inwards shrinking in the second direction, the second direction is the radial direction of the drill cylinder, one side, close to the central axis of the drill cylinder, in the second direction is the inner side, and one side, far away from the central axis of the drill cylinder, in the second direction is the outer side; the holding assembly comprises a plurality of holding rods which are arranged along a first direction, are arranged in the drill barrel at intervals around the first direction and can move along the first direction relative to the drill barrel; the hydrogeological engineering investigation sampling device is provided with a first state and a second state, when the hydrogeological engineering investigation sampling device is in the first state, the protective film is sleeved outside the plurality of retaining rods, the drill cylinder is sleeved outside the protective film, and the protective film deforms inwards along the second direction; when the drill is in the second state, the plurality of holding rods are sleeved outside the protective film, the drill cylinder is sleeved outside the plurality of holding rods, and the protective film recovers deformation outwards along the second direction; the plurality of retaining rods are movable in a first direction within the drill drum to enable the hydrographic survey sampling apparatus to be switched from a first state to a second state.
Further, the retaining assembly further comprises a retaining ring which is of an annular structure and is coaxially arranged with the drill barrel, and the retaining ring can rotate relative to the drill barrel and synchronously move with the drill barrel; when the hydrogeology engineering investigation sampling equipment is in the first state, a plurality of holding rods are all inserted into the holding rings, and when the hydrogeology engineering investigation sampling equipment is in the second state, a plurality of holding rods are all separated from the holding rings.
Further, the holding assembly further comprises a drawing frame, the drawing frame is mounted on the mounting frame, the drawing frame can move along a first direction relative to the mounting frame, and the plurality of holding rods are mounted on the drawing frame and synchronously move along with the drawing frame.
Further, a telescopic cylinder is arranged in the drawing frame, the output end of the telescopic cylinder is arranged along the first direction, the output end of the telescopic cylinder is provided with a mounting plate, one end of the retaining rod along the first direction is rotatably connected with the mounting plate through a rotating rod, the other end of the retaining rod along the first direction is inserted into the retaining ring, and the retaining rod can be rotatably mounted on the drawing frame around the second direction.
Further, be provided with the mechanism of exerting pressure on the pull frame, the mechanism of exerting pressure can make the protection film change the form, and the mechanism of exerting pressure includes air pump and a plurality of trachea, and the air pump sets up on the pull frame, all is provided with an trachea on every holding rod, and when hydrogeology engineering reconnaissance sampling equipment was in the first state, the protection film was limited out the air cavity between a section of thick bamboo with boring, and the air pump is connected to tracheal one end, and the other end stretches into in the air cavity.
Further, the protection film is provided with the elastic belt along one side that the pull frame was kept away from to the first direction, and the elasticity of elastic belt is greater than the elasticity of protection film, and when hydrogeology engineering investigation sampling device was in the first state, the elastic belt joint was on the holding ring, and the elastic belt had the trend of inwards contracting this moment, and when hydrogeology engineering investigation sampling device was in the second state, the elastic belt can be wrapped up on the appearance core.
Further, the mounting frame is provided with a mounting groove which is circular, and the drawing frame can be movably mounted in the mounting groove along the first direction.
Further, a plurality of damper blocks are arranged in the mounting groove, the damper blocks are uniformly distributed in the mounting groove around the first direction, and the damper blocks can be arranged in a telescopic manner along the second direction.
Further, a motor is arranged on the mounting frame, a first gear is fixedly arranged on an output shaft of the motor, a second gear is coaxially arranged on the drill cylinder, and the first gear is meshed with the second gear.
The invention also provides a using method of the hydrogeological engineering investigation sampling device, which comprises the following steps of:
S100, driving the drill cylinder to rotate around a first direction and enabling the protective film to deform inwards along a second direction;
s200, driving the mounting frame to move towards the side close to the soil along the first direction, enabling the drill cylinder edge to rotate around the first direction and move downwards along the first direction, and drilling the soil;
S300, stopping rotation and movement of the drill cylinder, and enabling the protective film to outwards recover deformation along the second direction; driving the retaining rod to move towards the side far away from the ground along the first direction so that the retaining rod is gradually separated from the protective film;
S400, after the retaining rod is completely separated from the protective film, driving the retaining rod to move in the first direction again, so that the retaining rod is inserted outside the protective film in the first direction at the side close to the ground, and is not inserted back into the retaining ring;
S500, driving the mounting plate to move in a first direction, wherein the mounting plate can drive the rotating rod to rotate when moving in the first direction, and further driving the retaining rod to rotate around a second direction on the drawing frame through the rotating rod so as to clamp the protective film;
and S600, driving the mounting frame to move along the first direction to the side far away from the soil, and taking out the sample core.
The beneficial effects of the invention are as follows: according to the hydrogeological engineering investigation sampling equipment, the mounting frame, the drill barrel, the protective film and the retaining assembly are matched, the drill barrel rotates around the first direction during sampling, meanwhile, an operator holds the mounting frame in a hand mode, drives the mounting frame to move towards one side close to soil along the first direction, drives the drill barrel to synchronously move, enables the drill barrel to move downwards along the first direction along the rotating direction of the first direction, and enables the soil to be drilled.
After the sampling is completed, the retaining rods move away from one side of the ground in the first direction, so that the hydrogeological engineering investigation sampling equipment is switched from the first state to the second state, the protective film is reset in the second state of the hydrogeological engineering investigation sampling equipment, and as the protective film is not supported by the retaining rods, the protective film integrally contracts and wraps the sample core inwards, after the sample core is completely wrapped by the protective film, the retaining rods move close to one side of the ground in the first direction, and as the protective film contracts and wraps the sample core, the integrity of the sample core can be maintained, so that the current situation can be maintained after the sample core drilling is completed, and the probability of sample core distortion is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of a hydrographic survey sampling apparatus of the present invention;
FIG. 2 is an exploded view of the overall structure of an embodiment of a hydrogeological engineering survey sampling apparatus of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of an embodiment of a hydrographic survey sampling apparatus of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is an enlarged view at C in FIG. 4;
FIG. 7 is a cross-sectional view of a mounting bracket of an embodiment of a hydrographic survey sampling apparatus of the present invention;
FIG. 8 is a cross-sectional view of a drill pipe of an embodiment of a hydrographic engineering survey sampling apparatus of the present invention;
FIG. 9 is a cross-sectional view of a drawer of an embodiment of a hydrographic survey sampling apparatus of the present invention;
FIG. 10 is a schematic illustration of a retaining bar of an embodiment of a hydrographic survey sampling apparatus of the present invention;
FIG. 11 is a cross-sectional view of a retaining ring of an embodiment of a hydrographic survey sampling apparatus of the present invention;
Fig. 12 is an enlarged view of D in fig. 11;
FIG. 13 is a state diagram of a protective film of an embodiment of a hydrographic engineering survey sampling apparatus of the present invention in a first state;
FIG. 14 is a state diagram of a protective film of an embodiment of a hydrographic engineering survey sampling apparatus of the present invention in a second state.
In the figure: 100. a mounting frame; 101. a first ring groove; 102. a mounting groove; 103. a damper block; 104. a key slot; 110. a motor; 111. a first gear; 200. drilling a cylinder; 201. a second gear; 202. an annular protrusion; 203. a limit groove; 204. a second ring groove; 210. a drill bit; 220. a squeeze roll; 300. a protective film; 310. an elastic belt; 400. a retention assembly; 410. a holding rod; 411. a rotating block; 420. a retaining ring; 421. a jack; 422. a clamping groove; 430. a drawing frame; 431. a handle; 432. a telescopic cylinder; 433. a mounting plate; 434. a rotating groove; 435. a sliding key; 440. a rotating lever; 500. a pressing mechanism; 510. and an air pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a hydrogeological engineering survey sampling apparatus of the present invention is shown in fig. 1-14.
A hydrogeological engineering survey sampling device includes a mounting frame 100, a drill barrel 200, a protective membrane 300, and a retaining assembly 400. The mounting frame 100 can be movably arranged along a first direction, the first direction is a vertical direction, the drill barrel 200 is mounted on the mounting frame 100, and the drill barrel 200 can rotate around the first direction relative to the mounting frame 100 and can move along with the mounting frame 100 in the first direction. The protective film 300 is of a cylindrical structure and has elasticity, both ends of the protective film 300 along the first direction are both open, and the protective film 300 always has a trend of contracting inwards along the second direction, wherein the second direction is the radial direction of the drill barrel 200, one side, close to the central axis of the drill barrel 200, along the second direction is inner, and one side, far away from the central axis of the drill barrel 200, along the second direction is outer.
The retention assembly 400 includes a plurality of retention bars 410, the plurality of retention bars 410 each disposed along a first direction, the plurality of retention bars 410 being spaced about the first direction within the drill barrel 200 and movable relative to the drill barrel 200 along the first direction.
The hydrogeological engineering investigation sampling device has a first state and a second state, when in the first state, the protective film 300 is sleeved outside the plurality of the holding rods 410, the drill barrel 200 is sleeved outside the protective film 300, and the protective film 300 deforms inwards along the second direction; in the second state, the plurality of holding rods 410 are sleeved outside the protective film 300, the drill cylinder 200 is sleeved outside the plurality of holding rods 410, and the protective film 300 is outwardly deformed in the second direction. Movement of the plurality of retaining rods 410 in the first direction within the drill barrel 200 can switch the hydrographic survey sampling apparatus from the first state to the second state.
According to the embodiment, the mounting frame 100, the drilling barrel 200, the protective film 300 and the holding assembly 400 are matched, the drilling barrel 200 is rotated around the first direction during sampling, meanwhile, an operator holds the mounting frame 100 in a hand manner and drives the mounting frame 100 to move along the first direction to be close to one side of the central axis of the drilling barrel 200, the mounting frame 100 moves to drive the drilling barrel 200 to synchronously move, the drilling barrel 200 rotates along the first direction to move downwards along the first direction to drill soil, the hydrogeological engineering investigation sampling equipment is in a first state, the protective film 300 deforms inwards along the second direction, the protective film 300 is sleeved outside the holding rods 410 at the moment, so that in-process of deformation of the protective film 300 along the second direction is generated, the protective film 300 protrudes inwards between the holding rods 410 arranged at two intervals, namely, the protective film 300 protrudes towards one side of the central axis of the drilling barrel 200, and is separated through the holding rods 410, the drilling barrel 200 rotates downwards to drill soil, the process of taking the soil, the raised protective film 300 is directly contacted with a sample core, the sample core is prevented from being directly contacted with the drilling barrel 200, the sample core is directly contacted with the sample core, the sample core is prevented from being directly contacted with the sample core, the sample core is prevented from being directly and the sample core is moved to be moved to the sample core 200, the sample is accurately and the sample is removed.
After the sampling is completed, the holding rods 410 are moved away from the ground in the first direction, so that the hydrographic engineering investigation sampling device is switched from the first state to the second state, in the second state of the hydrographic engineering investigation sampling device, the protective film 300 is reset, as shown in fig. 14, and since the plurality of holding rods 410 do not support the protective film 300 any more, the protective film 300 as a whole is shrunk inwards to wrap the sample core, after the protective film 300 completely wraps the sample core, the holding rods 410 are moved close to the ground in the first direction, and since the protective film 300 is shrunk and wraps the sample core, the holding rods 410 are inserted outside the protective film 300. That is, when the soil is sampled, the protection film 300 is firstly used to contact with the sample core, so that the vibration force generated by the drill barrel 200 and the influence of other external forces on the sample core are reduced, after the sampling is completed, the sample core is continuously wrapped by the protection film 300, the integrity of the sample core is maintained, the current situation can be maintained after the sample core is drilled, and the probability of distortion of the sample core is reduced.
Specifically, a motor 110 is provided on the mounting frame 100, a first gear 111 is fixedly provided on an output shaft of the motor 110, a second gear 201 is coaxially provided on the drill barrel 200, and the first gear 111 is meshed with the second gear 201. Or both the first gear 111 and the second gear 201 may be replaced with friction wheels.
Further, the mounting frame 100 is provided with a first annular groove 101, the drill barrel 200 is coaxially provided with an annular protrusion 202, and the annular protrusion 202 is rotatably mounted in the first annular groove 101.
Specifically, the protective film 300 is made of a rubber elastic film.
When the rotary drill barrel 200 is used, the motor 110 is utilized to start to drive the first gear 111 to rotate, the first gear 111 rotates to drive the second gear 201 on the drill barrel 200 meshed with the first gear 201 to rotate, so that the rotation of the drill barrel 200 in the first direction is realized, and the drill barrel 200 is limited to move in the first direction relative to the mounting frame 100 by being matched with the first annular protrusion 202, namely, the drill barrel 200 can synchronously move in the first direction along with the mounting frame 100, and the drill barrel 200 can rotate in the first direction relative to the mounting frame 100.
In this embodiment, the retaining assembly 400 further includes a retaining ring 420, the retaining ring 420 being of annular configuration and disposed coaxially with the drill barrel 200, the retaining ring 420 being rotatable relative to the drill barrel 200 and movable synchronously with the drill barrel 200. The plurality of retaining rods 410 are all inserted into the retaining ring 420 when the hydrographic survey sampling apparatus is in the first state, and the plurality of retaining rods 410 are all disengaged from the retaining ring 420 when the hydrographic survey sampling apparatus is in the second state.
Specifically, the drill barrel 200 is provided with a second annular groove 204, and the retaining ring 420 is rotatably installed in the second annular groove 204, so that the retaining ring 420 and the drill barrel 200 can rotate relatively and move synchronously. The retaining ring 420 is provided with a plurality of insertion holes 421, each retaining rod 410 is disposed corresponding to one insertion hole 421, and each retaining rod 410 can be inserted into one insertion hole 421 disposed corresponding to the retaining rod.
In this embodiment, the holding assembly 400 further includes a drawer 430, the drawer 430 is mounted on the mounting frame 100, the drawer 430 can move along a first direction relative to the mounting frame 100, and the plurality of holding rods 410 are mounted on the drawer 430 and synchronously move with the drawer 430.
Specifically, the pull frame 430 is provided with a handle 431. In use, an operator can manually pull the handle 431 to drive the drawer 430 to move in the first direction relative to the mounting frame 100, and drive the retaining rod 410 to move in the first direction by using the drawer 430.
In this embodiment, a telescopic cylinder 432 is disposed in the drawing frame 430, an output end of the telescopic cylinder 432 is disposed along a first direction, a mounting plate 433 is disposed at an output end of the telescopic cylinder 432, one end of the holding rod 410 along the first direction is rotatably connected with the mounting plate 433 through a rotating rod 440, the other end of the holding rod 410 along the first direction is inserted into the holding ring 420, the holding rod 410 can be rotatably mounted on the drawing frame 430 along a second direction, and the telescopic cylinder 432 is started when the hydrographic engineering survey sampling device is in a second state.
Specifically, the rotation block 411 is provided on the holding lever 410, and the drawing frame 430 is provided with a rotation groove 434 for cooperating with the rotation block 411, so that the holding lever 410 can rotate around the second direction on the drawing frame 430.
In this embodiment, by setting the telescopic cylinder 432, in the second state of the hydrogeological engineering investigation sampling device, the telescopic cylinder 432 can be driven to start, the telescopic cylinder 432 is started to drive the mounting plate 433 to move in the first direction, the mounting plate 433 can drive the rotating rod 440 to rotate in the first direction, and then the rotating rod 440 drives the holding rod 410 to rotate around the second direction on the drawing frame 430, so that the holding rod 410 rotates by taking the rotating block 411 as a fulcrum, and because the protecting film 300 contracts and wraps the sample core, the protecting film 300 can be clamped to a certain extent by setting the protecting rod 410 to rotate inwards along the first direction away from one end of the drawing frame 430, further the protecting film 300 in the drilling barrel 200 is protected, the sample core is taken out conveniently, and the sample core can be prevented from falling further.
In the present embodiment, the pressing mechanism 500 is provided on the drawing frame 430, and the pressing mechanism 500 can change the form of the protective film 300. The pressing mechanism 500 includes an air pump and a plurality of air pipes 510, the air pump is disposed on the drawing frame 430, each of the holding rods 410 is provided with an air pipe 510, when the hydrogeological engineering investigation sampling device is in the first state, an air cavity is defined between the protective film 300 and the drill barrel 200, one end of the air pipe 510 is connected with the air pump, and the other end extends into the air cavity.
In this embodiment, by setting the air pump and the air pipe 510 to cooperate, when the hydrogeological engineering investigation sampling device is in the first state, the air pump is started to supply air into the air cavity between the protective film 300 and the drill barrel 200 by using the air pipe 510, so that the protective film 300 is deformed inwards along the second direction, as shown in fig. 13.
Specifically, the retaining rod 410 includes a first rod segment, a second rod segment, and a third rod segment, each disposed along a first direction, the third rod segment being located on a side of the first rod segment along the first direction away from the drawer 430, and the third rod segment being located on a side of the first rod segment along the second direction away from the central axis of the drill barrel 200. The second pole segment is disposed along the second direction, two ends of the first pole segment along the first direction are respectively connected with the rotating pole 440 and one end of the second pole segment, and two ends of the third pole segment along the first direction are respectively connected with the other end of the second pole segment and the retaining ring 420. An air tube 510 is mounted at the junction of the second and third pole segments.
In this embodiment, the mounting frame 100 is provided with a mounting groove 102, the mounting groove 102 is circular, and the drawing frame 430 is movably mounted in the mounting groove 102 along the first direction. The sliding key 435 is provided on the drawing frame 430, the sliding key 435 is provided along the first direction, and the key slot 104 for matching with the sliding key 435 is provided on the mounting frame 100, so that the drawing frame 430 can move in the first direction relative to the mounting frame 100.
Further, a plurality of shock-absorbing blocks 103 are arranged in the mounting groove 102, the plurality of shock-absorbing blocks 103 are uniformly distributed in the mounting groove 102 around the first direction, the shock-absorbing blocks 103 can be arranged in a telescopic manner along the second direction, and the shock-absorbing blocks 103 are spring telescopic blocks.
In this embodiment, by providing the shock-absorbing blocks 103 in the mounting groove 102, the entire drawer 430 can be further damped, and the plurality of holding rods 410 connected to the drawer 430 can be damped synchronously, so that the overall damping effect is improved.
Or a plurality of telescopic cylinders are arranged in the mounting groove 102, the telescopic cylinders are uniformly distributed in the mounting groove 102 around the first direction, and the telescopic cylinders can be arranged in a telescopic manner along the second direction.
Through replacing snubber block 103 with flexible cylinder, can take out the appearance core from soil after the sample, before upwards pulling mounting bracket 100, start flexible cylinder 432 earlier, make the reciprocal flexible of flexible cylinder 432, play the effect that rocks to pull frame 430, and then before taking out the appearance core, play the effect of cuting to appearance core and soil junction, make things convenient for the taking out of follow-up appearance core.
In this embodiment, the protection film 300 is provided with the elastic band 310 along the side of the first direction away from the drawing frame 430, the elasticity of the elastic band 310 is greater than the elasticity of the protection film 300, when the hydrographic survey sampling device is in the first state, the elastic band 310 is clamped on the retaining ring 420, and at this time, the elastic band 310 has a tendency to shrink inwards, and when the hydrographic survey sampling device is in the second state, the elastic band 310 can be coated on the sample core.
Specifically, the retaining ring 420 is provided with a clamping groove 422, and when the hydrographic engineering survey sampling device is in the first state, the elastic band 310 is clamped in the clamping groove 422.
In this embodiment, by further setting the elastic band 310, in the second state of the hydrogeological engineering investigation sampling device, the protective film 300 integrally will shrink inwards to wrap the sample core, meanwhile, the elastic band 310 also shrinks inwards synchronously with the protective film 300 to wrap the sample core, and when the elastic band 310 shrinks inwards, the connection part between the sample core and the soil will be cut off, so that the subsequent extraction of the sample core is facilitated.
In yet another possible embodiment, the drill bit 210 is disposed on the drill barrel 200, the plurality of squeeze rollers 220 are disposed in the drill barrel 200, the squeeze rollers 220 are rotatable about a first direction with respect to the drill barrel 200, the plurality of squeeze rollers 220 are uniformly distributed about the first direction in the drill barrel 200, the plurality of squeeze rollers 220 are disposed on a side of the retaining ring 420 adjacent to the drill bit 210 along the first direction of the drill barrel 200, and the plurality of squeeze rollers 220 are disposed on a side of the retaining ring 420 adjacent to a central axis of the drill barrel 200 along a second direction, and the squeeze rollers 220 are resilient.
Specifically, the drill barrel 200 is internally provided with a plurality of limiting grooves 203, and each squeeze roller 220 is rotatably installed in one of the limiting grooves 203.
In this embodiment, by setting the squeeze roll 220, in the process of drilling the soil by the drill cylinder 200, when the soil passes through the squeeze roll 220, the soil is squeezed by the squeeze roll 220, and the squeeze roll 220 is utilized to squeeze the soil, so that the subsequent protective film 300 is convenient to contact with the sample core for sampling.
By combining the above embodiments, the specific working principle and working process are as follows:
When sampling is performed, the motor 110 and the air pump are started, the motor 110 is started to drive the first gear 111 to rotate, the first gear 111 rotates to drive the second gear 201 on the drill barrel 200 meshed with the first gear 201 to rotate, the drill barrel 200 rotates around the first direction, meanwhile, an operator holds the mounting frame 100 in a hand and drives the mounting frame 100 to move along the first direction and close to one side of soil, the mounting frame 100 moves to drive the drill barrel 200 to synchronously move, the drill barrel 200 rotates around the first direction and moves downwards along the first direction, the soil is drilled by the drill bit 210, at the moment, the hydrogeological engineering investigation sampling equipment is in a first state, the air pump ventilates into an air cavity between the protective film 300 and the drill barrel 200 by the air pipe 510, so that the protective film 300 deforms inwards along the second direction under the action of air pressure, because the protection film 300 is sleeved outside the plurality of the holding rods 410 at this time, in the process of deforming the protection film 300 inwards along the second direction, the protection film 300 protrudes inwards between the two holding rods 410 arranged at intervals, namely, the protection film 300 protrudes towards one side of the central axis of the drill barrel 200, and is separated by the plurality of holding rods 410, in the process of drilling soil by downward movement while rotating the drill barrel 200, the protruding protection film 300 is utilized to be in direct contact with the sample core, so that the sample core is prevented from being in direct contact with the drill barrel 200, the influence of vibration effect on the sample core in the rotating and moving processes of the drill barrel 200 can be reduced to a certain extent, the conditions of soil layer mixing, transferring and the like generated by the sample core in the drill barrel 200 are reduced, and the sampling accuracy is improved.
When the drilling of the soil by the drill cylinder 200 is completed, the motor 110 and the air pump are turned off, and then an operator can manually pull the handle 431 to further drive the drawing frame 430 to move along the first direction relative to the mounting frame 100, and drive the holding rod 410 to move along the first direction far away from the ground by utilizing the drawing frame 430, so that the holding rod 410 is gradually separated from the protective film 300, and the protective film 300 is not supported by the holding rods 410 any more, so that the whole protective film 300 is shrunk inwards to wrap the sample core, the integrity of the sample core is maintained, the current situation can be maintained after the drilling of the sample core is completed, and the probability of distortion of the sample core is reduced. Meanwhile, the elastic band 310 also synchronously contracts inwards along with the protective film 300 to wrap the sample core, and when the elastic band 310 contracts inwards, the connection part of the sample core and soil is cut off, so that the subsequent extraction of the sample core is facilitated.
After the protective film 300 completely wraps the sample core, the operator pushes the drawing frame 430 again to drive the holding rod 410 to move in the first direction, so that the holding rod 410 moves to the side close to the ground in the first direction, and the holding rod 410 is inserted outside the protective film 300 and is not inserted back into the holding ring 420 at this time because the protective film 300 contracts and wraps the sample core, so that the hydrogeology engineering investigation sampling device is switched from the first state to the second state. Then, the telescopic cylinder 432 is driven to start, the telescopic cylinder 432 is started to drive the mounting plate 433 to move in the first direction, the mounting plate 433 can drive the rotating rod 440 to rotate in the first direction, and then the rotating rod 440 drives the holding rod 410 to rotate around the second direction on the drawing frame 430, so that the holding rod 410 rotates around the rotating block 411 as a pivot, and the protective film 300 is contracted and wraps the sample core, and the protective film 300 can be clamped to a certain extent by setting the protective film 410 to rotate inwards along one end of the first direction far away from the drawing frame 430, so that the sample core can be prevented from falling.
Finally, an operator holds the mounting frame 100 in a hand and drives the mounting frame 100 to move along the first direction away from one side of the soil, so that the sample core is taken out.
The invention also provides a using method of the hydrogeological engineering investigation sampling device, which comprises the following steps:
S100, starting a motor 110 and an air pump, wherein the motor 110 is started to drive the drill cylinder 200 to rotate around a first direction, and the air pump is started to enable the protective film 300 to deform inwards along a second direction under the action of air pressure;
S200, holding the mounting frame 100 by hand and driving the mounting frame 100 to move along the first direction towards one side of the soil, so that the drill drum 200 rotates along the first direction and moves downwards along the first direction, and drilling the soil;
S300, the motor 110 and the air pump are turned off, the drill cylinder 200 stops rotating and moving, and the protective film 300 is outwards restored to deform along the second direction; manually pulling the pull frame 430, and driving the holding rod 410 to move toward the side far away from the ground by using the pull frame 430, so that the holding rod 410 is gradually separated from the protective film 300;
S400, after the retaining rod 410 is completely separated from the protective film 300, pushing the drawing frame 430 again to drive the retaining rod 410 to move in the first direction, so that the retaining rod 410 moves to the side close to the ground in the first direction and is inserted outside the protective film 300, and is not inserted back into the retaining ring 420;
S500, driving the telescopic cylinder 432 to start, and starting the telescopic cylinder 432 to drive the mounting plate 433 to move in a first direction, wherein the mounting plate 433 can drive the rotating rod 440 to rotate in the first direction, and further, the rotating rod 440 drives the holding rod 410 to rotate around a second direction on the drawing frame 430 to clamp the protective film 300;
and S600, the mounting frame 100 is held by the hand and is driven to move away from one side of the soil along the first direction, and the sample core is taken out.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The hydrogeological engineering investigation sampling equipment, its characterized in that: comprises a mounting frame, a drill cylinder, a protective film and a holding component; the mounting frame can be movably arranged along a first direction, the first direction is a vertical direction, the drilling barrel is mounted on the mounting frame, and the drilling barrel can rotate around the first direction relative to the mounting frame and can move along with the mounting frame in the first direction; the protective film is of a cylindrical structure and has elasticity, both ends of the protective film in the first direction are open, the protective film always has a trend of inwards shrinking in the second direction, the second direction is the radial direction of the drill cylinder, one side, close to the central axis of the drill cylinder, in the second direction is the inner side, and one side, far away from the central axis of the drill cylinder, in the second direction is the outer side; the holding assembly comprises a plurality of holding rods which are arranged along a first direction, are arranged in the drill barrel at intervals around the first direction and can move along the first direction relative to the drill barrel; the hydrogeological engineering investigation sampling device is provided with a first state and a second state, when the hydrogeological engineering investigation sampling device is in the first state, the protective film is sleeved outside the plurality of retaining rods, the drill cylinder is sleeved outside the protective film, and the protective film deforms inwards along the second direction; when the drill is in the second state, the plurality of holding rods are sleeved outside the protective film, the drill cylinder is sleeved outside the plurality of holding rods, and the protective film recovers deformation outwards along the second direction; moving the plurality of retaining rods in a first direction within the drill drum can switch the hydrogeological survey sampling apparatus from a first state to a second state; the retaining assembly further comprises a retaining ring which is of an annular structure and is coaxially arranged with the drill barrel, and the retaining ring can rotate relative to the drill barrel and synchronously move with the drill barrel; when the hydrogeological engineering investigation sampling equipment is in a first state, the plurality of retaining rods are inserted into the retaining rings, and when the hydrogeological engineering investigation sampling equipment is in a second state, the plurality of retaining rods are separated from the retaining rings; the holding assembly further comprises a drawing frame, the drawing frame is arranged on the mounting frame, the drawing frame can move along a first direction relative to the mounting frame, and the plurality of holding rods are arranged on the drawing frame and synchronously move along with the drawing frame; the telescopic cylinder is arranged in the drawing frame, the output end of the telescopic cylinder is arranged along the first direction, the mounting plate is arranged at the output end of the telescopic cylinder, one end of the retaining rod along the first direction is rotatably connected with the mounting plate through the rotating rod, the other end of the retaining rod along the first direction is inserted into the retaining ring, and the retaining rod can be rotatably mounted on the drawing frame around the second direction; the hydraulic engineering investigation sampling device comprises a drawing frame, a protective film, a pressure mechanism, an air pump, a plurality of air pipes, a holding rod, a drill cylinder, a hydraulic engineering investigation sampling device, a protective film and a drill cylinder, wherein the drawing frame is provided with the pressure mechanism, the pressure mechanism can enable the protective film to change the shape, the pressure mechanism comprises the air pump and the plurality of air pipes, the air pump is arranged on the drawing frame, the air pipe is arranged on each holding rod, when the hydraulic engineering investigation sampling device is in a first state, an air outlet cavity is defined between the protective film and the drill cylinder, one end of the air pipe is connected with the air pump, and the other end of the air pipe extends into the air cavity.
2. The hydrogeological engineering survey sampling apparatus of claim 1, wherein: the protection film is provided with the elastic belt along one side that the pull frame was kept away from to the first direction, and the elasticity of elastic belt is greater than the elasticity of protection film, and when hydrogeology engineering investigation sampling device was in first state, the elastic belt joint was on the retainer ring, and the elastic belt had the trend of inwards contracting this moment, and when hydrogeology engineering investigation sampling device was in the second state, the elastic belt can be wrapped up on the appearance core.
3. A hydrogeological engineering survey sampling apparatus according to claim 2, characterized in that: the mounting frame is provided with a mounting groove which is circular, and the drawing frame can be movably mounted in the mounting groove along the first direction.
4. A hydrogeological engineering survey sampling apparatus according to claim 3, wherein: a plurality of shock absorption blocks are arranged in the mounting groove, the shock absorption blocks are uniformly distributed in the mounting groove around the first direction, and the shock absorption blocks can be arranged in a telescopic manner along the second direction.
5. The hydrogeological engineering survey sampling apparatus of claim 1, wherein: be provided with the motor on the mounting bracket, fixed being provided with first gear on the output shaft of motor, coaxial being provided with the second gear on the section of thick bamboo of boring, first gear and second gear engagement.
6. The application method of the hydrogeological engineering investigation sampling device is characterized by comprising the following steps of: the hydrogeological engineering survey sampling apparatus of claim 1, comprising the steps of:
S100, driving the drill cylinder to rotate around a first direction and enabling the protective film to deform inwards along a second direction;
s200, driving the mounting frame to move towards the side close to the soil along the first direction, enabling the drill cylinder edge to rotate around the first direction and move downwards along the first direction, and drilling the soil;
S300, stopping rotation and movement of the drill cylinder, and enabling the protective film to outwards recover deformation along the second direction; driving the retaining rod to move towards the side far away from the ground along the first direction so that the retaining rod is gradually separated from the protective film;
S400, after the retaining rod is completely separated from the protective film, driving the retaining rod to move in the first direction again, so that the retaining rod is inserted outside the protective film in the first direction at the side close to the ground, and is not inserted back into the retaining ring;
S500, driving the mounting plate to move in a first direction, wherein the mounting plate can drive the rotating rod to rotate when moving in the first direction, and further driving the retaining rod to rotate around a second direction on the drawing frame through the rotating rod so as to clamp the protective film;
and S600, driving the mounting frame to move along the first direction to the side far away from the soil, and taking out the sample core.
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