CN210347193U - Soil sampling device - Google Patents
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- CN210347193U CN210347193U CN201921385905.XU CN201921385905U CN210347193U CN 210347193 U CN210347193 U CN 210347193U CN 201921385905 U CN201921385905 U CN 201921385905U CN 210347193 U CN210347193 U CN 210347193U
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Abstract
The utility model belongs to the technical field of the soil detection technique and specifically relates to a soil sampling device is related to. The utility model provides a soil sampling device, which comprises a sampling component; the sampling component comprises an outer cylinder and an inner cylinder; the inner cylinder is detachably connected with the outer cylinder, the inner cylinder is positioned in the outer cylinder, and the bottom of the inner cylinder is provided with a cylinder opening for sampling; the wall of the inner cylinder is provided with a side through hole. The utility model discloses a take out the back from subaerial at the sampling subassembly, soil can stay in the inner tube, set up the side through-hole on the section of thick bamboo wall of inner tube, after urceolus and inner tube separation like this, so that the soil of sample in the inner tube is observed to the follow side through-hole department, and can follow the sample of side through-hole department, and simultaneously, the inner tube sets up in the urceolus, when guaranteeing to take out at the sampling subassembly from soil, outside soil can not lead to the fact the influence to the soil sample of the side through-hole department of inner tube, realized carrying out the normal position to the soil sample after the sample and detected, avoided pouring the soil sample and reinspected the condition of the soil disturbance.
Description
Technical Field
The utility model belongs to the technical field of the soil detection technique and specifically relates to a soil sampling device is related to.
Background
At present, before soil improvement and restoration, the soil pollution degree and pollutants are firstly confirmed by tests. When testing the original contaminated soil, the soil with a certain depth needs to be collected.
For soil collection, a cutting ring or a shovel is usually used for sampling. Taking the cutting ring as an example, the cutting ring is a short tubular steel product, one end has an edge, and when using, the cutting ring gets into in the regional soil of sample, until whole cutting ring is filled with appearance soil, extracts the cutting ring that the sample was succeeded again, then pours out the soil in the cutting ring wholly again, but causes soil disturbance like this easily, can influence the testing result to the soil of the different degree of depth.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soil sampling device to solve the soil disturbance that causes easily among the prior art to a certain extent, can influence the technical problem to the testing result of the soil of the different degree of depth.
In view of the above, the present invention provides a soil sampling device, which includes a sampling assembly; the sampling assembly comprises an outer cylinder and an inner cylinder; the inner cylinder is detachably connected with the outer cylinder, the inner cylinder can be positioned in the outer cylinder, and a cylinder opening is formed in the bottom of the inner cylinder and used for sampling; the wall of the inner barrel is provided with a side through hole.
In any one of the above technical solutions, the soil sampler further comprises a lifting mechanism, wherein the lifting mechanism is used for driving the sampling assembly to move, so that the sampling assembly can extend into soil.
In any of the above technical solutions, further, the lifting mechanism includes a motor, a screw rod, and a nut engaged with the screw rod; the nut is connected with the outer barrel, and the motor can drive the screw rod to rotate around the axis of the screw rod, so that the nut and the sampling assembly move along the axial direction of the screw rod.
In any of the above technical solutions, further, the device further includes a support plate and a guide assembly; the motor is arranged on the supporting plate, the guide assembly comprises a guide rod and a guide ring, and one end of the guide rod is fixedly connected with the supporting plate; the guide ring is arranged on the guide rod in a sliding mode, and the guide ring is connected with the outer barrel.
In any of the above technical solutions, further, the support plate is provided with a first through hole, one end of the screw rod is sleeved with a first bearing, and the first bearing is installed in the first through hole.
In any one of the above technical solutions, further, the guide device further includes a base, the other end of the guide rod is fixedly connected with the base, a second bearing is sleeved at the other end of the lead screw, and the second bearing is installed on the base.
In any one of the above technical solutions, further, the number of the guide assemblies is plural, and the plural guide assemblies are arranged around the circumference of the outer cylinder; the number of the lifting mechanisms is multiple, and the lifting mechanisms are arranged around the circumference of the outer barrel.
In any of the above technical solutions, further, the device further comprises a mounting ring, wherein the mounting ring is connected with the outer cylinder and is located on the outer surface of the outer cylinder; the guide ring is connected with the mounting ring through a first connecting rod; the nut is connected with the mounting ring through a second connecting rod.
In any of the above technical solutions, further, the opening of the side through hole is strip-shaped, and the side through hole extends along the axial direction of the inner cylinder; the number of the side through holes is multiple, and the side through holes are distributed at intervals along the circumferential direction of the inner barrel.
In any of the above technical solutions, further, the lower end of the inner cylinder is provided with a plurality of saw teeth.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a soil sampling device, which comprises a sampling component; the sampling component comprises an outer cylinder and an inner cylinder; the inner cylinder is detachably connected with the outer cylinder, the inner cylinder is positioned in the outer cylinder, and the bottom of the inner cylinder is provided with a cylinder opening for sampling; the wall of the inner cylinder is provided with a side through hole. The bottom of the inner cylinder is provided with the cylinder opening, so that soil can enter the inner cylinder after the outer cylinder and the inner cylinder are inserted into the ground; when the sampling assembly is taken out of the ground, the soil is tightly pressed with the inner cylinder when being inserted into the ground, so that the soil can be remained in the inner cylinder; offer the side through-hole on the section of thick bamboo wall of inner tube, accessible urceolus and inner tube separation back like this, the soil of taking a sample in the inner tube is observed to follow side through-hole department, and can follow side through-hole department sample, and simultaneously, the inner tube sets up in the urceolus, when guaranteeing to take out from soil at the sampling subassembly, outside soil can not cause the influence to the soil sample of the side through-hole department of inner tube, because follow the side through-hole department sample, thereby realized carrying out the normal position to the soil sample after the sample and detected, the condition of the soil disturbance that the retest caused has been avoided pouring the soil sample.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a soil sampling device provided in an embodiment of the present invention;
fig. 2 is a schematic structural view (cross-sectional view) of a sampling assembly according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural diagram of a support plate in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another variation of the soil sampling device according to the embodiment of the present invention;
FIG. 6 is a top view of the outer tub in the embodiment of the present invention;
fig. 7 is a schematic structural diagram of another variation of the soil sampling device according to the embodiment of the present invention.
Icon: 101-an outer cylinder; 102-an inner cylinder; 103-side through holes; 104-a screw rod; 105-a nut; 106-a support plate; 107-guide bar; 108-a guide ring; 109-a first via; 110-a second via; 111-a first bearing; 112-a base; 113-a mounting ring; 114-a connecting ring; 115-toroidal surface configuration; 116-saw teeth; 117-motor; 118-a mounting sleeve; 119-screwing sleeve; 120-a crank; 121-a mounting seat; 122-first connecting rod; 123-a second connecting rod; 124-support rods; 201-thread sleeve; 202-main stem portion.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 4, a soil sampling device according to an embodiment of the present invention includes a sampling assembly and a lifting mechanism; the sampling assembly comprises an outer barrel 101 and an inner barrel 102; the inner cylinder 102 is detachably connected with the outer cylinder 101, and the inner cylinder 102 is positioned in the outer cylinder 101; the bottom of the inner cylinder 102 is provided with a cylinder opening for sampling; the wall of the inner cylinder 102 is provided with a side through hole 103; the lifting mechanism is used for driving the sampling assembly to move so that the sampling assembly can stretch into soil.
Specifically, urceolus 101 cover is established in the outside of inner tube 102, and elevating system can make the sampling component do elevating movement, and when soil sampling device was located subaerial, elevating system made the sampling component downstream to in making the sampling component can insert soil, can get into in order to realize the sampling of soil from the nozzle of inner tube 102 with soil.
According to the soil sampling device provided by the embodiment, the side through hole 103 is formed in the wall of the inner barrel 102, so that soil sampled in the inner barrel 102 can be observed conveniently, and the soil can be sampled from the side through hole 103, meanwhile, the inner barrel 102 is arranged in the outer barrel 101, so that when the sampling assembly is taken out of the soil, external soil cannot affect the soil sample at the side through hole 103 of the inner barrel 102, in-situ detection is realized, and the condition of soil disturbance caused by pouring out the soil sample and detecting the soil sample again is avoided; and the lifting mechanism drives the sampling assembly to move, so that the sampling is labor-saving and convenient. It should be noted that the inner diameter of the inner cylinder 102 can be determined according to implementation requirements, and when the soil is sampled more, the inner cylinder 102 can be set to have a large inner diameter, such as 20cm to 50 cm; for less soil sampling, the inner cylinder 102 can be configured to have a small inner diameter, such as 1cm to 19cm, and more particularly 10cm or 15 cm.
In an optional scheme of this embodiment, the lifting mechanism includes a motor 117, a lead screw 104, and a nut 105 engaged with the lead screw 104; the nut 105 is connected to the outer barrel 101 and the motor 117 is capable of driving the screw about its own axis to enable axial movement of the sampling assembly and nut 105 along the screw 104. The lifting of the sampling assembly is facilitated by the cooperation of the lead screw and the nut 105.
Specifically, the nut 105 is attached to the screw shaft, and the nut 105 is movable in the axial direction of the screw shaft.
In an optional scheme of this embodiment, the soil sampling device further includes a support plate 106, the motor 117 is mounted on the support plate 106, and the support plate 106 may be rectangular; the soil sampling device also comprises a guide assembly, the guide assembly comprises a guide rod 107 and a guide ring 108, and one end of the guide rod 107 is fixedly connected with the support plate 106; the guide ring 108 is slidably disposed on the guide rod 107, and the guide ring 108 is connected to the outer cylinder 101. The support plate 106 and the guide assembly facilitate the support of the sampling assembly and the guidance of the movement of the sampling assembly.
Specifically, the supporting plate 106 is provided with a second through hole 110, and the second through hole 110 is a threaded through hole. The top end of the guide rod 107 is threadedly coupled to the threaded through-hole so that one end of the guide rod 107 can be fixedly coupled to the support plate 106. The guide ring 108 is fitted over the guide rod 107, and the guide ring 108 can move in the axial direction of the guide rod 107.
In this embodiment, a mounting seat 121 is fixed on the upper surface of the supporting plate 106, and the mounting seat 121 is fixed on the supporting plate 106 by a screw. The housing of the motor 117 is fixed on the mounting seat 121 through a bolt, and a rotating shaft of the motor 117 is connected with a lead screw of the lifting mechanism through a coupling. The motor 117 may be a servo motor or a stepping motor. Note that the power supply mode of the motor 117 may be provided by the generator 117, a power supply, or commercial power.
In an optional scheme of this embodiment, the supporting plate 106 is provided with a first through hole 109, one end of the screw 104 is sleeved with a first bearing 111, and the first bearing 111 is installed in the first through hole 109. The first through hole 109 is provided and the first bearing 111 is arranged to facilitate the rotation of the screw.
Specifically, the outer ring of the first bearing 111 is fixed in the first through hole 109 in an interference fit manner, one end of the screw 104 and the inner ring of the first bearing 111 can be fixedly connected in a key connection manner, and the top end of the screw 104 extends out of the first through hole 109.
In the optional scheme of this embodiment, the soil sampling device further includes a base 112, the other end of the guide rod 107 is fixedly connected to the base 112, the other end of the screw rod 104 is sleeved with a second bearing, and the second bearing is mounted on the base 112. This ensures stability of use.
Specifically, the number of the bases 112 is equal to the sum of the number of the guide rods 107 and the number of the lead screws 104, and one base 112 may be provided for one guide rod 107 and one base 112 may be provided for one lead screw 104. The other end of the guide rod 107 is connected with the base 112 through screw threads. The outer ring of the second bearing is fixed in a hole on the base 112 in an interference fit manner, and the inner ring of the second bearing is fixedly connected with the other end of the screw rod 104 in a key connection manner. This supports the support plate 106 by the guide bar 107 so that the lead screw 104 can rotate relative to the support plate 106 and the base 112.
In an alternative scheme of this embodiment, the number of the guide assemblies is multiple, and the multiple guide assemblies are arranged around the circumference of the outer barrel 101; the number of the elevating mechanism is plural, and the plural elevating mechanisms are provided around the circumference of the outer cylinder 101. Through setting up a plurality of direction subassemblies to guarantee the stability of sampling subassembly motion, and set up a plurality of elevating system and also can guarantee the stability of sampling subassembly motion.
Specifically, the number of the guide assemblies may be two, and the number of the lifting mechanisms may be two, the two guide assemblies being distributed on one diagonal line of the rectangular support plate 106, and the two lifting mechanisms being distributed on the other diagonal line of the rectangular support plate 106.
In an optional scheme of this embodiment, the soil sampling device further includes a mounting ring 113, the mounting ring 113 is connected to the outer cylinder 101, and the mounting ring 113 is located on an outer surface of the outer cylinder 101; the guide ring 108 is connected with the mounting ring 113 through a first connecting rod 122; the nut 105 is attached to the mounting ring 113 by a second connecting rod 123. The mounting between the outer cylinder 101 and the guide rod 107 and the screw 104, respectively, is facilitated by a mounting ring 113.
Specifically, one end of the first connecting rod 122 is screwed to the guide ring 108, and the other end of the first connecting rod 122 is screwed to the mounting ring 113; one end of the second connecting rod 123 is screwed with the nut 105, and the other end of the second connecting rod 123 is screwed with the mounting ring 113. Thus, when the nut 105 moves in the axial direction of the screw 104, the outer cylinder 101 and the inner cylinder 102 can move together in the axial direction of the screw 104. The axial direction of the screw 104 and the axial direction of the guide rod 107 are parallel to each other.
In the optional scheme of this embodiment, the number of the side through holes 103 is multiple, and the multiple side through holes 103 are distributed at intervals along the circumferential direction of the inner cylinder 102; the opening of the side through hole 103 is in a strip shape, and the side through hole 103 extends in the axial direction of the inner cylinder 102. Through setting up a plurality of side through-holes 103 to multiple spot sample.
Specifically, the number of side vias 103 may be 1, 2, 3, or 4, and so on.
In an alternative scheme of this embodiment, the inner cylinder 102 and the outer cylinder 101 are connected by a connecting ring 114, and the lower end of the inner cylinder 102 is provided with a plurality of saw teeth 116, that is, a plurality of saw teeth 116 are provided at the nozzle of the inner cylinder 102. This facilitates removal between the inner barrel 102 and the outer barrel 101 through the connection ring 114, and the serrations 116 facilitate insertion of the inner barrel 102 and the outer barrel 101 into the soil.
Specifically, the outer circumferential surface of the connection ring 114 has an external thread, and the inner wall of the outer cylinder 101 located below is provided with an internal thread that matches the external thread of the connection ring 114, so that the connection ring 114 is threadedly coupled with the outer cylinder 101. The inner ring surface of the connecting ring 114 and the outer surface of the inner barrel 102 are of an integral structure. The serrations 116 extend downwardly to facilitate insertion into the soil. The plurality of serrations 116 are evenly distributed along the circumferential direction of the inner barrel 102. The annular surface structure 115 is connected to the annular end surface of the connecting ring 114, the annular surface structure 115 is integrally connected with the connecting ring 114, and after the inner cylinder 102 is connected with the outer cylinder 101, the end surface of the outer cylinder 101 can be abutted against the annular surface of the annular surface structure 115. The serrations 116 are of unitary construction with the annular face structure 115. The outer cylinder 101 and the inner cylinder 102 may be made of stainless steel, and the coupling ring 114 and the serrations 116 may be made of stainless steel.
Example two
The embodiment provides a soil sampling device, and the embodiment is a further improvement on the first embodiment, the technical scheme described in the first embodiment also belongs to the embodiment, and the technical scheme described in the first embodiment is not repeatedly described.
Referring to fig. 5 to 6, in this embodiment, a through hole is formed in the middle of the support plate 106, a mounting sleeve 118 is fixed in the through hole in an interference fit manner, a screwing sleeve 119 is fixed on the top of the outer cylinder 101 in a welding manner, a sleeve hole of the screwing sleeve 119 is a square hole, a crank 120 is inserted from the top of the mounting sleeve 118, and the cross section of the end of the crank 120 is square to match with the screwing sleeve 119; in use, after the motor 117 drives the sampling assembly to descend, and after the lower end of the sampling assembly contacts soil, the outer cylinder 101 is in threaded connection with the mounting ring 113, so that when the crank 120 drives the outer cylinder 101 to rotate, the outer cylinder 101 can rotate relative to the mounting ring 113, and under the matching action of the saw teeth 116, the crank 120 and the motor 117, the outer cylinder 101 and the inner cylinder 102 can be drilled into the soil together to perform sampling.
EXAMPLE III
The embodiment also provides a soil sampling device, and the soil sampling device of the embodiment describes another implementation scheme of the lifting mechanism.
Referring to fig. 7 and 3, the third embodiment provides a soil sampling device comprising a sampling assembly and a lifting mechanism; the sampling assembly comprises an outer barrel 101 and an inner barrel 102; the inner cylinder 102 is detachably connected with the outer cylinder 101, the inner cylinder 102 is positioned in the outer cylinder 101, and a side through hole 103 is formed in the wall of the inner cylinder 102; the lifting mechanism is used for driving the sampling assembly to move so that the sampling assembly can stretch into soil.
Specifically, urceolus 101 cover is established in the outside of inner tube 102, and elevating system can make the sampling component do elevating movement, and when soil sampling device was located subaerial, elevating system made the sampling component downstream to in making the sampling component can insert soil, can get into in order to realize the sampling of soil from the nozzle of inner tube 102 with soil.
According to the soil sampling device provided by the embodiment, the side through hole 103 is formed in the wall of the inner barrel 102, so that soil sampled in the inner barrel 102 can be observed conveniently, and the soil can be sampled from the side through hole 103, meanwhile, the inner barrel 102 is arranged in the outer barrel 101, so that when the sampling assembly is taken out of the soil, the external soil cannot affect the soil sample at the side through hole 103 of the inner barrel 102, in-situ detection is realized, and the condition of soil disturbance caused by pouring out the soil sample and detecting the soil sample again is avoided; and the lifting mechanism drives the sampling assembly to move, so that the sampling is labor-saving and convenient. It should be noted that the inner diameter of the inner cylinder 102 can be determined according to implementation requirements, and when the soil is sampled more, the inner cylinder 102 can be set to have a large inner diameter, such as 20cm to 50 cm; for less soil sampling, the inner cylinder 102 can be configured to have a small inner diameter, such as 1cm to 19cm, and more particularly 10cm or 15 cm.
In an optional aspect of this embodiment, the soil sampling device further includes a support plate 106; support plate 106 may be rectangular; the lower surface of the supporting plate 106 is connected with a supporting rod 124, and one end of the supporting rod 124 is fixedly connected with the supporting plate 106. Support for the sampling assembly is facilitated by the provision of support plate 106 and support rod 124.
Specifically, the supporting plate 106 is provided with a second through hole 110, and the second through hole 110 is a threaded through hole. The top end of the support rod 124 is threadedly coupled to the threaded through hole so that one end of the support rod 124 can be fixedly coupled to the support plate 106.
In an alternative solution of this embodiment, the soil sampling device further includes a base 112, and the other end of the supporting rod 124 is fixedly connected to the base 112, so as to ensure the stability of use.
Specifically, the number of the bases 112 is equal to the number of the support rods 124, and one support rod 124 may be provided with one base 112, and the other end of the support rod 124 is screwed with the base 112, so that the support plate 106 is supported by the support rod 124.
In an alternative of this embodiment, the number of the support rods 124 may be three, and the three support rods 124 are distributed in a triangular shape on the support plate 106 to support the support plate 106. By providing a plurality of support rods 124, the stability of the movement of the sampling assembly is ensured.
In the optional scheme of this embodiment, the number of the side through holes 103 is multiple, and the multiple side through holes 103 are distributed at intervals along the circumferential direction of the inner cylinder 102; the opening of the side through hole 103 is in a strip shape, and the side through hole 103 extends in the axial direction of the inner cylinder 102. Through setting up a plurality of side through-holes 103 to multiple spot sample.
Specifically, the number of side vias 103 may be 1, 2, 3, or 4, and so on.
In an alternative scheme of this embodiment, the inner cylinder 102 and the outer cylinder 101 are connected by a connecting ring 114, and the lower end of the inner cylinder 102 is provided with a plurality of saw teeth 116, that is, a plurality of saw teeth 116 are provided at the nozzle of the inner cylinder 102. This facilitates removal between the inner barrel 102 and the outer barrel 101 through the connection ring 114, and the serrations 116 facilitate insertion of the inner barrel 102 and the outer barrel 101 into the soil.
Specifically, the outer circumferential surface of the connection ring 114 has an external thread, and the inner wall of the outer cylinder 101 located below is provided with an internal thread that matches the external thread of the connection ring 114, so that the connection ring 114 is threadedly coupled with the outer cylinder 101. The inner ring surface of the connecting ring 114 and the outer surface of the inner barrel 102 are of an integral structure. The serrations 116 extend downwardly to facilitate insertion into the soil. The plurality of serrations 116 are evenly distributed along the circumferential direction of the inner barrel 102. The annular surface structure 115 is connected to the annular end surface of the connecting ring 114, the annular surface structure 115 is integrally connected with the connecting ring 114, and after the inner cylinder 102 is connected with the outer cylinder 101, the end surface of the outer cylinder 101 can be abutted against the annular surface of the annular surface structure 115. The serrations 116 are of unitary construction with the annular face structure 115. The outer cylinder 101 and the inner cylinder 102 may be made of stainless steel, and the coupling ring 114 and the serrations 116 may be made of stainless steel.
In this embodiment, a through hole is formed in the middle of the supporting plate 106, a threaded sleeve 201 is fixed in the through hole in an interference fit manner, a screwing sleeve 119 is fixed at the top of the outer cylinder 101 in a welding manner, the screwing sleeve 119 is fixedly connected with the end of the crank 120 in a threaded connection manner, the crank 120 is inserted from the top of the threaded sleeve 201, and the outer surface of the main rod 202 of the crank 120 is provided with an external thread matched with the internal thread of the threaded sleeve 201; when the crank 120 is used for driving the outer cylinder 101 to rotate, the outer cylinder 101 and the inner cylinder 102 can be driven to drill into the soil together under the action of the saw teeth 116 for sampling.
Example four
Referring to fig. 2 and 3, this embodiment also provides a soil sampling device comprising a sampling assembly comprising an outer barrel 101 and an inner barrel 102; the inner cylinder 102 is detachably connected with the outer cylinder 101, the inner cylinder 102 can be positioned in the outer cylinder 101, and a side through hole 103 is formed in the wall of the inner cylinder 102.
The soil sampling device that this embodiment provided, through set up side through-hole 103 on the section of thick bamboo wall at inner tube 102, so that observe the soil of taking a sample in the inner tube 102, and can follow side through-hole 103 and take a sample, simultaneously, inner tube 102 sets up in urceolus 101, when guaranteeing that the sampling subassembly takes out from soil, outside soil can not cause the influence to the soil sample of the side through-hole 103 department of inner tube 102, thereby realized the normal position and detected, avoided pouring out the soil sample and detected the condition of the soil disturbance that causes again.
It should be noted that the inner diameter of the inner cylinder 102 can be determined according to implementation requirements, and when the soil is sampled more, the inner cylinder 102 can be set to have a large inner diameter, such as 20cm to 50 cm; for less soil sampling, the inner cylinder 102 can be configured to have a small inner diameter, such as 1cm to 19cm, and more particularly 10cm or 15 cm.
In use, the sampling assembly is manually forced into the soil and then the top of the sampling assembly is shaken slightly to allow a portion of the soil to remain in the inner barrel 102.
In the optional scheme of this embodiment, the number of the side through holes 103 is multiple, and the multiple side through holes 103 are distributed at intervals along the circumferential direction of the inner cylinder 102; the opening of the side through hole 103 is in a strip shape, and the side through hole 103 extends in the axial direction of the inner cylinder 102. Through setting up a plurality of side through-holes 103 to multiple spot sample.
Specifically, the number of side vias 103 may be 1, 2, 3, or 4, and so on.
In an alternative scheme of this embodiment, the inner cylinder 102 and the outer cylinder 101 are connected by a connecting ring 114, and the lower end of the inner cylinder 102 is provided with a plurality of saw teeth 116, that is, a plurality of saw teeth 116 are provided at the nozzle of the inner cylinder 102. This facilitates removal between the inner barrel 102 and the outer barrel 101 through the connection ring 114, and the serrations 116 facilitate insertion of the inner barrel 102 and the outer barrel 101 into the soil.
Specifically, the outer circumferential surface of the connection ring 114 has an external thread, and the inner wall of the outer cylinder 101 located below is provided with an internal thread that matches the external thread of the connection ring 114, so that the connection ring 114 is threadedly coupled with the outer cylinder 101. The inner ring surface of the connecting ring 114 and the outer surface of the inner barrel 102 are of an integral structure. The serrations 116 extend downwardly to facilitate insertion into the soil. The plurality of serrations 116 are evenly distributed along the circumferential direction of the inner barrel 102. The annular surface structure 115 is connected to the annular end surface of the connecting ring 114, the annular surface structure 115 is integrally connected with the connecting ring 114, and after the inner cylinder 102 is connected with the outer cylinder 101, the end surface of the outer cylinder 101 can be abutted against the annular surface of the annular surface structure 115. The serrations 116 are of unitary construction with the annular face structure 115.
The outer cylinder 101 and the inner cylinder 102 may be made of stainless steel, and the coupling ring 114 and the serrations 116 may be made of stainless steel.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A soil sampling device is characterized by comprising a sampling component; the sampling assembly comprises an outer cylinder and an inner cylinder; the inner cylinder is detachably connected with the outer cylinder, the inner cylinder can be positioned in the outer cylinder, and a cylinder opening is formed in the bottom of the inner cylinder and used for sampling; the wall of the inner barrel is provided with a side through hole.
2. The soil sampling device of claim 1, further comprising a lifting mechanism configured to drive movement of the sampling assembly to enable the sampling assembly to extend into the soil.
3. The soil sampling device of claim 2, wherein the lifting mechanism comprises a motor, a lead screw, and a nut engaged with the lead screw; the nut is connected with the outer barrel, and the motor can drive the screw rod to rotate around the axis of the screw rod, so that the nut and the sampling assembly move along the axial direction of the screw rod.
4. The soil sampling device of claim 3, further comprising a support plate and a guide assembly; the motor is arranged on the supporting plate, the guide assembly comprises a guide rod and a guide ring, and one end of the guide rod is fixedly connected with the supporting plate; the guide ring is arranged on the guide rod in a sliding mode, and the guide ring is connected with the outer barrel.
5. The soil sampling device of claim 4, wherein the support plate has a first through hole, and a first bearing is sleeved on one end of the screw rod and is installed in the first through hole.
6. The soil sampling device of claim 5, further comprising a base, wherein the other end of the guide rod is fixedly connected with the base, the other end of the screw rod is sleeved with a second bearing, and the second bearing is mounted on the base.
7. The soil sampling device of any one of claims 4 to 6, wherein the guide assembly is plural in number and the plural guide assemblies are arranged around the circumference of the outer barrel; the number of the lifting mechanisms is multiple, and the lifting mechanisms are arranged around the circumference of the outer barrel.
8. The soil sampling device of any one of claims 4-6, further comprising a mounting ring coupled to the outer barrel, the mounting ring being located on an outer surface of the outer barrel; the guide ring is connected with the mounting ring through a first connecting rod; the nut is connected with the mounting ring through a second connecting rod.
9. The soil sampling device of any one of claims 1 to 6, wherein the aperture of the side through hole is strip-shaped and the side through hole extends in the axial direction of the inner barrel; the number of the side through holes is multiple, and the side through holes are distributed at intervals along the circumferential direction of the inner barrel.
10. A soil sampling device according to any one of claims 1 to 6, wherein the lower end of the inner barrel is provided with a plurality of serrations.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111766096A (en) * | 2020-06-24 | 2020-10-13 | 宁波市环境监测中心 | Sampling device for volatile organic compounds in soil and control method thereof |
| CN111811862A (en) * | 2020-07-02 | 2020-10-23 | 华东理工大学 | Grinding type cylindrical test block rapid sampling system and method |
| CN111982589A (en) * | 2020-07-23 | 2020-11-24 | 新兴铸管股份有限公司 | Semi-automatic bulk powder sampling device |
| CN116990072A (en) * | 2023-09-22 | 2023-11-03 | 南通江华机械有限公司 | Soil detection sampling device |
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2019
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| CN111766096A (en) * | 2020-06-24 | 2020-10-13 | 宁波市环境监测中心 | Sampling device for volatile organic compounds in soil and control method thereof |
| CN111811862A (en) * | 2020-07-02 | 2020-10-23 | 华东理工大学 | Grinding type cylindrical test block rapid sampling system and method |
| CN111982589A (en) * | 2020-07-23 | 2020-11-24 | 新兴铸管股份有限公司 | Semi-automatic bulk powder sampling device |
| CN111982589B (en) * | 2020-07-23 | 2024-02-02 | 新兴铸管股份有限公司 | Semiautomatic bulk powder sampling device |
| CN116990072A (en) * | 2023-09-22 | 2023-11-03 | 南通江华机械有限公司 | Soil detection sampling device |
| CN116990072B (en) * | 2023-09-22 | 2023-12-15 | 南通江华机械有限公司 | Soil detection sampling device |
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Effective date of registration: 20211119 Address after: 300191 No. 17, rehabilitation Road, Tianjin, Nankai District Patentee after: Tianjin Academy of ecological and Environmental Sciences (Tianjin Academy of environmental planning, Tianjin low carbon development research center) Address before: No.17, Fukang Road, Nankai District, Tianjin Patentee before: TIANJIN ACADEMY OF ENVIRONMENTAL SCIENCES |