CN218239383U - But ground sampling device is used in geological survey that seals fast - Google Patents

Abstract

The embodiment of the application provides a but quick confined ground sampling device for geological survey belongs to geological survey technical field. The rock-soil sampling device comprises an installation box, a sampling cylinder and a door closing mechanism; the sampling cylinder is movably arranged in the installation box along the vertical direction, the lower end of the sampling cylinder is provided with a sampling port which is arranged in an open mode, and the sampling cylinder is used for sampling rock soil when moving downwards along the vertical direction; the door closing mechanism comprises a plurality of anti-falling assemblies, and the anti-falling assemblies are distributed on the inner wall of the sampling cylinder along the circumferential direction of the sampling cylinder; the anti-drop subassembly includes fender apron, pin and support, and it is articulated with the support that the fender apron passes through the pin, and the bottom of support is provided with spacing portion along its radial, when fender apron rotates to and contacts with spacing portion, and a plurality of fender aprons are in radial horizontality in the door mechanism. This kind of ground sampling device for geological survey that can seal fast can seal the sample connection after the sampler barrel is to ground sample, has improved ground sampling device's ground sampling efficiency.

Description

But ground sampling device is used in geological survey that seals fast

Technical Field

The application relates to the technical field of geological survey, particularly, relate to a but quick confined ground sampling device for geological survey.

Background

Geological exploration is the investigation and research work of geological conditions such as rocks, stratum structures, mineral products, underground water, landforms and the like in a certain area by applying geological exploration methods such as mapping, geophysical exploration, geochemical prospecting, drilling, pit exploration, sampling test, geological remote sensing and the like according to the needs of economic construction, national defense construction and scientific and technical development.

At present, soil is often required to be sampled and detected when geological exploration is carried out, and a sampling device is required to be used for soil layer sampling. The patent with the publication number of CN215811704U discloses a multiple ground sampling device, including the fixed box, the fixed box is the confined box, the sampling tube main part runs through whole fixed box from top to bottom, the sampling tube main part can slide from top to bottom for the fixed box, the screw rod inserts inside the sampling tube main part, the sample connection is seted up to the bottom of sampling tube main part, the inside upper portion of sampling tube main part is fixed with the mounting panel with screw rod matched with, the bottom of screw rod is fixed with the ejector pad that pushes out the inside soil sample of sampling tube main part, the inside symmetry of fixed box of sampling tube main part both sides is fixed with a pair of mounting bracket, be fixed with the lead screw that can pass by oneself on the mounting bracket, the axis of lead screw is parallel with the axis of sampling tube main part, the screw is equipped with on the lead screw, the top of mounting bracket is fixed with servo motor, servo motor is connected with the one end transmission of lead screw, the screw passes through connecting plate fixed connection with the sampling tube main part lateral wall rather than the one side that corresponds. The sampling tube main part in this scheme is in the open mode after the sample, and the sample connection of sampling tube is in time can not seal the sample connection, when dealing with the loose soil layer sample of soil layer, and the soil sample that has got is easy to spill from sample connection department, leads to the sample inefficiency of soil layer, has reduced the work efficiency who fetches earth.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a but quick confined ground sampling device for geological survey can seal the sample connection fast after the sampler barrel is to ground sample, has improved ground sampling device's ground sampling efficiency.

The embodiment of the application provides a rock-soil sampling device for geological survey, which can be quickly sealed, wherein the rock-soil sampling device comprises an installation box, a sampling cylinder and a door closing mechanism; the sampling tube is movably arranged in the installation box along the vertical direction, the lower end of the sampling tube is provided with a sampling port which is arranged in an open mode, and the sampling tube is used for sampling rock soil when moving downwards along the vertical direction; the door closing mechanism is used for closing the sampling port and preventing rock and soil entering the sampling cylinder from separating from the sampling port; the door closing mechanism comprises a plurality of anti-falling assemblies, and the anti-falling assemblies are distributed on the inner wall of the sampling cylinder along the circumferential direction of the sampling cylinder; each anti-drop subassembly includes fender apron, pin and support, and the support is installed perpendicularly in the inner wall of sampling tube, and the pin level sets up, and the fender apron is articulated with the support through the pin, and the bottom of support is provided with spacing portion along its radial, and spacing portion is located the below of fender apron, and spacing portion is used for limiting the stroke that the fender apron turned down, and when the fender apron rotated to contact with spacing portion, a plurality of fender apron were in radial horizontality in the mechanism of closing the door to be used for sealing the sample connection.

In the scheme, in the use process of the rock-soil sampling device, the mounting box is firstly attached to the surface of a rock-soil layer, then the sampling cylinder moves downwards along the vertical direction, at the moment, each soil retaining plate in the door closing mechanism in the sampling cylinder is in a horizontal state, namely, the sampling port is in a basically closed state, then when the sampling cylinder contacts the rock-soil layer and continues to move downwards for taking soil, the soil retaining plates in the anti-falling assemblies are subjected to the vertical and upward reaction force of the soil layer, the soil retaining plates rotate upwards along the pins of the support from the horizontal state, the soil retaining plates are switched to the vertical state from the horizontal state, the upper sides of the soil retaining plates are attached to the inner wall of the sampling cylinder, and the sampling port of the sampling cylinder is automatically and completely opened, so that the rock-soil layer can enter the sampling cylinder to further sample the rock-soil layer; after the ground layer sample is accomplished, upwards promote the sampler barrel, at the in-process that the sampler barrel upwards promoted, because keep off the native board and not receive the vertical ascending reaction force of soil layer, under the action of gravity, keep off the native board and rotate downwards to the horizontality along the pin of support when, it keeps off the effect of blockking that the native board received spacing portion and keeps the horizontality, then a plurality of fender native boards have formed the face of blockking to the ground layer in the sampler barrel, be about to the sample connection is automatic to be sealed, thereby prevent to get into the ground layer in the sampler barrel and drop from the sample connection department of sampler barrel, thereby realize sealing the sample connection fast after the sampler barrel samples the ground, the ground sampling efficiency of ground sampling device has been improved.

In some embodiments, the number of the anti-falling assemblies is four, and the four anti-falling assemblies are distributed on the inner wall of the sampling tube along the circumferential direction of the sampling tube.

Among the above-mentioned technical scheme, establish into four through the quantity with anti-drop subassembly, four fender soil plates in four anti-drop subassemblies cooperate jointly to can seal the sample connection, seal effectually.

In some embodiments, the anti-drop assembly further comprises a rotating rod, the soil retaining plate is arranged on the rotating rod, and the soil retaining plate is hinged with the pin through the rotating rod.

Among the above-mentioned technical scheme, it is articulated with the pin that the board passes through the dwang to keep off soil, compares in keeping off the direct and pin joint of board, more does benefit to the assembly that keeps off soil the board, assembles simplyr.

In some embodiments, the end of the rotating rod at one end in the support is chamfered, and the chamfer is upward.

Among the above-mentioned technical scheme, through setting up the dwang chamfer, when the dwang upwards rotates in the support, the tip of dwang is difficult for conflicting with the inner wall of sampling tube, and the chamfer setting can prevent when the tip of dwang conflicts with the sampling tube moreover, reduces its pivoted frictional force.

In some embodiments, the retaining plates are shaped as triangles with a gap between two adjacent retaining plates.

Among the above-mentioned technical scheme, establish to triangle-shaped through the shape that will keep off the native board, production and processing are more convenient to a plurality of triangle-shaped keep off native board and change and seal the sample connection, keep off the native board and form jointly with the inside of sampling cylinder and block the face, make adjacent space between the native board equal that keeps off.

In some embodiments, a sleeve is sleeved on the outer peripheral side of the sampling tube, the sleeve is provided with an axial passage extending along the axial direction of the sleeve, the lower end of the axial passage is arranged in an open mode, the sampling tube is installed in the axial passage, the sampling tube is detachably connected with the sleeve, and the lower end of the sampling tube extends out of the sleeve.

Among the above-mentioned technical scheme, be provided with the sleeve through the periphery side at the sampler barrel, accomplish the sample back to the ground layer when the sampler barrel like this, because detachably is connected between sampler barrel and the sleeve, only need let sampler barrel and sleeve break away from, alright with the sampler barrel and the ground sampling device quick separation that will be equipped with the ground layer, the ground layer's of the sample of being convenient for quick transfer and take out, convenient operation to the integrality of the sample soil layer of assurance sampler barrel is changeed.

And, when actual ground sample, because the soil layer to different geology is sampled to needs, consequently can once only carry a plurality of sampling barrels, after accomplishing a ground sample, will be equipped with the sampling barrel on soil layer and take off and keep in, then can change another sampling barrel, carry out next ground sample immediately, it is efficient to rotate to make the sampling efficiency of ground higher.

In some embodiments, an end of the sampling tube away from the sampling port is open to form a sample outlet, and the sample outlet abuts against the inner wall of the top of the sleeve.

Among the above-mentioned technical scheme, be provided with out the appearance mouth through the one end of keeping away from the thief hatch at the thief bucket, get into the ground layer in the thief bucket like this and can take out from the top of thief bucket, the soil layer of the thief bucket of being convenient for more goes out the appearance, and is simple swift, easily realizes to telescopic top inner wall can also act as the effect of top cap, prevents that the ground layer from spilling over from going out the appearance mouth.

In some embodiments, the outer wall of the sleeve is provided with a locking piece in the radial direction, the outer wall of the sampling tube is correspondingly provided with a locking hole, and the locking piece is in plug fit with the locking hole.

Among the above-mentioned technical scheme, through the mode of adopting grafting between with sleeve and the sampling tube, when the sampling tube is taken off to needs, only need to let locking piece on the sleeve break away from with the locking hole on the sampling tube, alright with the sampling tube of taking off, when the installation sampling tube, let the sampling tube insert to the sleeve along predetermineeing the direction, after the top of sampling tube offsets with telescopic top, show that the sampling tube has moved in place, then let locking piece insert once more in the locking hole alright, thereby accomplish the assembly of sampling tube.

In some embodiments, the rock-soil sampling device further comprises a driving assembly, the mounting box is internally provided with a mounting cavity, the driving assembly is arranged in the mounting cavity, and the driving end of the driving assembly is in driving connection with the sleeve so as to drive the sleeve to move up and down along the vertical direction.

Among the above-mentioned technical scheme, the mode through adopting drive assembly drives telescopic reciprocating to realize the automatic rising sample of sampler barrel, it is more laborsaving, reduced staff's working strength.

In some embodiments, the driving assembly comprises a mounting frame, a driving motor, a lead screw, a nut seat and a guide rod, the mounting frame is arranged in the mounting box, the driving motor is arranged on the mounting frame, the lead screw is arranged in the mounting box along the vertical direction, one end of the lead screw is in driving connection with the driving end of the driving motor, and the other end of the lead screw is rotatably arranged in the mounting box; the nut seat is arranged on the screw rod, is in threaded fit with the screw rod and is connected with the sleeve; the guide rod is arranged in the installation box, the nut seat is penetrated by the guide rod, and the guide rod is used for guiding the nut seat to move along the vertical direction.

Among the above-mentioned technical scheme, through adopting drive assembly as screw-nut pair mechanism, under driving motor's effect, drive the lead screw and rotate, the lead screw rotates and drives the axial displacement of nut seat along the lead screw, under the spacing effect of guide bar direction to make the sleeve can realize the oscilaltion, and then can realize the sample operation of sampler barrel.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a rapidly closable geotechnical sampling apparatus for geological exploration, according to some embodiments of the present application;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged view of B in FIG. 2;

FIG. 5 is a bottom view of the cartridge and sleeve of FIG. 1;

FIG. 6 is a schematic view of the sample cartridge and sleeve of FIG. 1 retracted within the mounting box;

fig. 7 is a cross-sectional view of a rapidly closable geotechnical sampling apparatus for geological exploration, according to other embodiments of the present application.

Icon: 100-rock sampling device; 10-mounting a box; 11-a mounting cavity; 20-a sampling tube; 21-a sampling port; 22-a locking hole; 30-a sleeve; 31-a lock; 310-an enlarged portion; 40-a door closing mechanism; 41-anti-falling mechanism; 410-a soil guard plate; 411-pin; 412-a support; 413-a limiting part; 414-rotating rod; 50-a drive assembly; 51-a mounting frame; 52-a drive motor; 53-a screw rod; 54-nut seats; 55-a guide bar; 60-a mounting seat; 61-servo motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

The embodiment of the application provides a rapidly-closed rock and soil sampling device for geological exploration, please refer to fig. 1 to 7, the rock and soil sampling device 100 comprises an installation box 10, a sampling cylinder 20 and a door closing mechanism 40; the sampling cylinder 20 is movably arranged on the installation box 10 along the vertical direction, the lower end of the sampling cylinder 20 is provided with a sampling port 21 which is arranged in an open mode, and the sampling cylinder 20 is used for sampling rock soil when moving downwards along the vertical direction; the door closing mechanism 40 is used for closing the sampling opening 21, and the door closing mechanism 40 is used for preventing rock soil entering the sampling barrel 20 from being separated from the sampling opening 21; referring to fig. 2 and 3, the door closing mechanism 40 includes a plurality of anti-falling assemblies distributed on the inner wall of the sampling tube 20 along the circumferential direction of the sampling tube 20; each anti-drop assembly comprises a retaining plate 410, a pin 411 and a support 412, the support 412 is vertically installed on the inner wall of the sampling tube 20, the pin 411 is horizontally arranged, the retaining plate 410 is hinged with the support 412 through the pin 411, a limiting part 413 is arranged at the bottom of the support 412 along the radial direction of the support, the limiting part 413 is positioned below the retaining plate 410, the limiting part 413 is used for limiting the downward rotating stroke of the retaining plate 410, and when the retaining plate 410 rotates to be in contact with the limiting part 413, a plurality of retaining plates 410 in the door closing mechanism 40 are in a radial horizontal state so as to be used for closing the sampling port 21.

In the scheme, in the use process of the rock-soil sampling device 100, the installation box 10 is firstly attached to the surface of a rock-soil layer, then the sampling cylinder 20 moves downwards along the vertical direction, at the moment, each soil retaining plate 410 in the door closing mechanism 40 in the sampling cylinder 20 is in a horizontal state, namely, the sampling port 21 is in a basically closed state, then when the sampling cylinder 20 contacts the rock-soil layer and continues to move downwards for soil sampling, the soil retaining plates 410 in the anti-falling assemblies are subjected to the vertical upward reaction force of the soil layer, the soil retaining plates 410 rotate upwards along the pins 411 of the supports 412 from the horizontal state, the soil retaining plates 410 are switched to the vertical state from the horizontal state, the upper sides of the soil retaining plates 410 are attached to the inner wall of the sampling cylinder 20, the sampling port 21 of the sampling cylinder 20 is automatically and completely opened, so that the rock-soil layer can enter the sampling cylinder 20 to further sample the rock-soil layer; after the sampling of the rock soil layer is completed, the sampling tube 20 is lifted upwards, in the process that the sampling tube 20 is lifted upwards, because the soil blocking plate 410 is not subjected to the reaction force of the vertical upwards of the soil layer, under the action of gravity, the soil blocking plate 410 rotates downwards along the pin 411 of the support 412 to a horizontal state, the soil blocking plate 410 is kept in the horizontal state under the blocking effect of the limiting part 413, then a plurality of soil blocking plates 410 form blocking surfaces for the rock soil layer in the sampling tube 20, namely, the sampling opening 21 is automatically closed, so that the rock soil layer entering the sampling tube 20 is prevented from falling from the sampling opening 21 of the sampling tube 20, the sampling opening 21 is rapidly closed after the sampling tube 20 samples the rock soil, and the rock soil sampling efficiency of the rock soil sampling device is improved.

In the door closing mechanism 40, the number of the fall-off prevention members may be three, four, five, or the like, and may be determined according to actual conditions.

In some embodiments, the number of the anti-falling off assemblies is four, and the four anti-falling off assemblies are distributed on the inner wall of the sampling tube 20 along the circumferential direction of the sampling tube 20. Establish into four through the quantity with anti-drop subassembly, four fender soil board 410 in the four anti-drop subassemblies cooperate jointly to can seal sample connection 21, it is effectual to seal.

In some embodiments, the fall-off prevention assembly further includes a rotating rod 414, the retaining plate 410 is provided on the rotating rod 414, and the retaining plate 410 is hinged with the pin 411 by the rotating rod 414. The soil guard plate 410 is hinged with the pin 411 through the rotating rod 414, which is more convenient for the assembly of the soil guard plate 410 and simpler in assembly compared to the case that the soil guard plate 410 is directly connected with the pin 411.

In some embodiments, the end of the rotating rod 414 at one end within the seat 412 is chamfered, with the chamfer being directed upward. Through setting up dwang 414 chamfer, when dwang 414 upwards rotates in support 412, the tip of dwang 414 is difficult to contradict with the inner wall of sampling tube 20, and the chamfer setting can prevent when the tip of dwang 414 contradicts with sampling tube 20 moreover, reduces its pivoted frictional force.

In some embodiments, referring to fig. 5, the retaining plates 410 are configured in a triangular shape, and a gap is formed between two adjacent retaining plates 410. Establish into triangle-shaped through the shape that will keep off the soil board 410, production and processing is more convenient to a plurality of triangle-shaped's the soil board 410 is changeed and is sealed the sample connection 21, and the soil board 410 blocks the face with the inside formation jointly of sampling tube 20, makes the equal space between the adjacent soil board 410 of keeping off.

In some embodiments, referring to fig. 2, a sleeve 30 is sleeved on an outer peripheral side of the sampling tube 20, the sleeve 30 has an axial passage extending along an axial direction thereof, a lower end of the axial passage is open, the sampling tube 20 is installed in the axial passage, the sampling tube 20 is detachably connected with the sleeve 30, and a lower end of the sampling tube 20 extends out of the sleeve 30. Be provided with sleeve 30 through the periphery side at sampling tube 20, accomplish the sample back to the ground layer when sampling tube 20 like this, because detachably is connected between sampling tube 20 and the sleeve 30, only need let sampling tube 20 and sleeve 30 break away from, alright with sampling tube 20 and the ground sampling device quick separation who will be equipped with the ground layer, the ground layer's of the sample of being convenient for quick transfer and take out, convenient operation to the integrality of the sample soil layer of more easily guaranteeing sampling tube 20.

And, when actual ground sample, because the soil layer to different geology is sampled to the needs, consequently can once only carry a plurality of sampling barrels 20, after accomplishing a ground sample, will be equipped with the sampling barrel 20 on soil layer and take off and keep in, then can change another sampling barrel 20, carry out next ground sample immediately, the rotation efficiency is high to make the sampling efficiency of ground higher.

In some embodiments, the end of the sampling tube 20 remote from the sampling port 21 is open to form a sample outlet that abuts the top inner wall of the sleeve 30. One end of the sampling tube 20 far away from the sampling port 21 is provided with a sample outlet, so that the rock-soil layer entering the sampling tube 20 can be taken out from the top of the sampling tube 20, the soil layer of the sampling tube 20 is more convenient to sample, the sampling is simple, rapid and easy to realize, and the top inner wall of the sleeve 30 can also serve as a top cover to prevent the rock-soil layer from overflowing from the sample outlet.

Wherein, the department of going out the appearance mouth can open the setting, also can be provided with the lid, and is specific according to actual conditions and decides. Under the condition that the sample outlet is provided with the cover body, the cover body can be in threaded fit with the sampling tube 20, and then the cover is opened in a rotating mode, and operation is convenient.

In addition, the connection mode between the sleeve 30 and the sampling tube 20 can be various, for example, the sleeve 30 and the sampling tube 20 can be connected by screws, and can be clamped, inserted, screwed or magnetically attracted, and the specific connection mode can be determined according to the actual situation.

In some embodiments, referring to fig. 2 and 4, a locking member 31 is radially disposed on an outer wall of the sleeve 30, a locking hole 22 is correspondingly disposed on an outer wall of the sampling tube 20, and the locking member 31 is inserted into and engaged with the locking hole 22. Through the mode of adopting the grafting between sleeve 30 and the sampling tube 20, when needing to take off the sampling tube 20, only need to let the locking piece 31 on the sleeve 30 break away from with the locking hole 22 on the sampling tube 20, alright in order to take off the sampling tube 20, when installing the sampling tube 20, let the sampling tube 20 insert to the sleeve 30 along predetermineeing the direction, after the top of sampling tube 20 offsets with the top of sleeve 30, show that the sampling tube 20 has moved in place, then let the locking piece 31 insert again in locking hole 22 alright, thereby accomplish the assembly of sampling tube 20.

The two ends of the locking member 31 may be provided with tapered enlarged portions 310, the enlarged portions 310 may provide a blocking function to prevent the locking member 31 from being separated from the sleeve 30, and the locking hole 22 and the enlarged portions 310 are matched in shape to facilitate the insertion of the locking member 31 and the locking hole 22. In addition, a gap is formed between the outer wall of the sleeve 30 and the installation box 10, and the gap can allow the locking piece 31 protruding from the sleeve 30 to retract into the installation box 10.

Wherein the cross-sectional shape of the sampling tube 20 may be circular, square, etc. When the sampling tube 20 adopts for under the circumstances of circular cross section, the outer peripheral face of sampling tube 20 can be provided with spacing arch, and the inner wall correspondence of sleeve 30 is provided with the recess, and the recess extends along the axial, spacing arch and recess cooperation to the relative rotation takes place between stopping sampling tube 20 and the sleeve 30 in the location of the sampling tube 20 of being convenient for, thereby does benefit to the grafting of locking piece 31 and locking hole 22.

In addition, the removal mode of sampling tube 20 along vertical direction in install bin 10 can be multiple, for example, when the soil layer of taking a sample is soft, can adopt the mode of artifical pushing down, realizes the oscilaltion of sampling tube 20 to sample the ground layer. Of course, a driving structure driving mode can be adopted, and labor is saved.

In some embodiments, referring to fig. 2, the rock sampling device further includes a driving assembly 50, the installation box 10 has an installation cavity 11 therein, the driving assembly 50 is disposed in the installation cavity 11, and a driving end of the driving assembly 50 is drivingly connected to the sleeve 30 for driving the sleeve 30 to move up and down in the vertical direction. The up-down movement of the sleeve 30 is driven by adopting the driving component 50, so that the automatic lifting sampling of the sampling tube 20 is realized, the labor is saved, and the working strength of workers is reduced.

The driving mechanism may be a variety of driving mechanisms, for example, the driving mechanism may be a driving device such as an air cylinder, an electric push rod, a hydraulic cylinder, or a lead screw 53 transmission mechanism. When the driving mechanism is selected as a hydraulic cylinder, the driving end of the hydraulic cylinder is in driving connection with the top of the sleeve 30, so that the sleeve 30 is driven to lift up and down in the vertical direction. Of course, a sliding rod may be disposed in the installation box 10, and a sliding block is disposed on the peripheral side of the sleeve 30, and the sliding block is in sliding fit with the sliding rod, so as to guide the up-and-down movement of the sleeve 30, and thus the up-and-down movement process of the sleeve 30 is more stable.

In some embodiments, referring to fig. 2, the driving assembly 50 includes a mounting bracket 51, a driving motor 52, a lead screw 53, a nut seat 54 and a guiding rod 55, the mounting bracket 51 is disposed in the mounting box 10, the driving motor 52 is disposed on the mounting bracket 51, the lead screw 53 is disposed in the mounting box 10 along a vertical direction, one end of the lead screw 53 is drivingly connected with a driving end of the driving motor 52, and the other end of the lead screw 53 is rotatably mounted in the mounting box 10; the nut seat 54 is arranged on the screw rod 53, the nut seat 54 is in threaded fit with the screw rod 53, and the nut seat 54 is connected with the sleeve 30; the guide rod 55 is arranged in the installation box 10, the nut seat 54 is arranged on the guide rod 55 in a penetrating mode, and the guide rod 55 is used for guiding the nut seat 54 so as to guide the nut seat 54 to move along the vertical direction. Through adopting the driving assembly 50 as the screw 53-nut pair mechanism, under the action of the driving motor 52, the screw 53 is driven to rotate, the screw 53 rotates to drive the nut seat 54 to move along the axial direction of the screw 53, and under the guiding and limiting effect of the guide rod 55, the sleeve 30 can be lifted up and down, and then the sampling operation of the sampling cylinder 20 can be realized.

Wherein, drive assembly 50 can be established to two sets of, and two sets of drive assembly 50 are located the relative both sides of sleeve 30 respectively, the left and right sides promptly, and two sets of drive assembly 50 cooperate jointly to drive sleeve 30 from top to bottom in vertical direction, make sleeve 30's oscilaltion in vertical direction more reliable and more stable. The lower end of the screw 53 is rotatably mounted in the mounting box 10 through a bearing and a bearing seat.

In addition, in some embodiments, referring to fig. 7, a mounting seat 60 may be further disposed between the sleeve 30 and the nut seat 54, and the sleeve 30 is connected to the nut seat 54 through the mounting seat 60. Be provided with servo motor 61 on the mount pad 60, servo motor 61's drive end is connected with the top drive of sleeve 30 to can drive sleeve 30 and rotate along self axis direction, and then drive the rotatory sample of sampling tube 20, can be adapted to the soil layer and use harder situation relatively.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a but quick confined ground sampling device for geological survey which characterized in that includes:

installing a box;

the sampling cylinder is movably arranged on the mounting box along the vertical direction, the lower end of the sampling cylinder is provided with a sampling port which is arranged in an open mode, and the sampling cylinder is used for sampling rock soil when moving downwards along the vertical direction;

the door closing mechanism is used for closing the sampling opening and preventing rock soil entering the sampling cylinder from separating from the sampling opening;

the door closing mechanism comprises a plurality of anti-falling assemblies, and the anti-falling assemblies are distributed on the inner wall of the sampling cylinder along the circumferential direction of the sampling cylinder; each the anti-drop subassembly is including keeping off native board, pin and support, the support install perpendicularly in the inner wall of sampling cylinder, the pin level sets up, it passes through to keep off the native board the pin with the support is articulated, the bottom of support is provided with spacing portion along its radially, spacing position in the below of keeping off the native board, spacing portion is used for the restriction keep off native board pivoted stroke downwards, work as keep off the native board rotate extremely with during the contact of spacing portion, it is a plurality of in the door mechanism keep off the native board and be in radial horizontality, so that seal the sample connection.

2. The rapidly closable rock-soil sampling device for geological investigation of claim 1, wherein the number of the anti-falling assemblies is four, and four anti-falling assemblies are distributed on the inner wall of the sampling cylinder along the circumference of the sampling cylinder.

3. The rapidly closable rock-soil sampling device for geological investigation of claim 1, wherein said fall-off prevention means further comprises a rotation rod, said soil guard plate is provided on said rotation rod, and said soil guard plate is hinged to said pin through said rotation rod.

4. The rapidly closable rock-soil sampling device for geological exploration according to claim 3, wherein the end of said rotating rod at one end of said support is chamfered, and said chamfer is directed upward.

5. The rapidly closable geotechnical sampling apparatus for geological survey as claimed in claim 1, wherein said soil guard plates are formed in a triangular shape with a gap between adjacent two of said soil guard plates.

6. The rapidly closable rock-soil sampling device for geological investigation as recited in claim 1, wherein a sleeve is sleeved on the outer circumference of the sampling cylinder, the sleeve has an axial passage extending axially along the sleeve, the lower end of the axial passage is open, the sampling cylinder is mounted in the axial passage, the sampling cylinder is detachably connected with the sleeve, and the lower end of the sampling cylinder extends out of the sleeve.

7. A rapidly closeable geotechnical sampling apparatus as claimed in claim 6, wherein said sampling tube is open at an end remote from said sampling port to form a sample outlet, said sample outlet abutting against the top inner wall of said sleeve.

8. The rapidly closable rock-soil sampling device for geological exploration according to claim 6, wherein a locking member is radially disposed on the outer wall of said sleeve, and a locking hole is correspondingly disposed on the outer wall of said sampling tube, and said locking member is inserted into and engaged with said locking hole.

9. The rapidly closeable geotechnical sampling apparatus for geological survey of claim 6 wherein said geotechnical sampling apparatus further includes a driving assembly, said mounting box having a mounting cavity therein, said driving assembly being disposed within said mounting cavity, a driving end of said driving assembly being drivingly connected to said sleeve for driving said sleeve up and down in said vertical direction.

10. A rapidly closable geotechnical sampling apparatus for geological surveying as claimed in claim 9, wherein said drive assembly includes:

the mounting frame is arranged on one side in the mounting box;

the driving motor is arranged on the mounting rack;

the screw rod is arranged in the mounting box along the vertical direction, one end of the screw rod is in driving connection with the driving end of the driving motor, and the other end of the screw rod is rotatably mounted on the mounting frame;

the nut seat is arranged on the screw rod, is in threaded fit with the screw rod and is connected with the sleeve;

the guide rod is arranged in the installation box, the nut seat is arranged in a penetrating mode through the guide rod, and the guide rod is used for guiding the nut seat so as to guide the nut seat to move in the vertical direction.

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