CN116929839B - Building engineering witness sampling device - Google Patents
Building engineering witness sampling device Download PDFInfo
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- CN116929839B CN116929839B CN202311187776.4A CN202311187776A CN116929839B CN 116929839 B CN116929839 B CN 116929839B CN 202311187776 A CN202311187776 A CN 202311187776A CN 116929839 B CN116929839 B CN 116929839B
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- 238000005070 sampling Methods 0.000 title claims abstract description 164
- 239000002689 soil Substances 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The utility model relates to the technical field of building sampling devices, in particular to a building engineering witness sampling device. A sampling device for witness of building engineering comprises a bracket, a first outer tube, a sampling head and a driving mechanism. The both ends of first outer tube are first end and second end respectively, and the sampling head sets up in the first end of first outer tube. The sampling head is kept away from the fixed a plurality of cutting edges that are provided with on the one end of first outer tube. The driving mechanism comprises a driving assembly, a first transmission assembly and a second transmission assembly, wherein the driving assembly firstly drives the first outer tube to move towards the inside of soil through the first transmission assembly, and cuts the soil through the sampling head. The driving assembly drives the sampling tube to move towards the inside of the soil through the second transmission assembly, and the sampling tube is used for accommodating the soil cut by the sampling head. The utility model provides a building engineering witness sampling device, which aims to solve the problems that the existing sampling device cannot effectively reserve the integrity of a sample and influences the sampling precision.
Description
Technical Field
The utility model relates to the technical field of building sampling devices, in particular to a building engineering witness sampling device.
Background
The quality of the building materials is an essential element of the quality of the building engineering, and the inspection of the building materials is an important guarantee for the quality control of the building site materials. Therefore, witness sampling and inspection are important means for ensuring scientific, fair and accurate inspection work. The witness sampling and inspection system refers to a program for testing the relevant building materials entering a construction site under witness of a construction supervision unit or a construction unit, and after sampling or manufacturing test pieces on site by a construction unit full-time material tester, the test pieces are sent to a laboratory meeting qualification management requirements.
If the patent of the utility model with the publication number of CN210005274U is issued, the utility model provides a sampling device for witness of constructional engineering, which is a sampling tube consisting of two half sampling tubes, and the obtained soil sample is rapidly and nondestructively taken out from the sampling tube after being split through the sampling tube after soil sampling is carried out through the dismounting of the sampling tube, and the sampling device has simple structure, can keep the integrity of the sample during the dismounting, but has poor sampling precision during the sampling. The existing sampling device is not easy to take out the sample after taking the soil, when the soil is wet, the sampling device is easy to compress the soil to influence the sampling precision, and partial soil is easy to lose at the soil fracture part to reduce the volume of the taken whole soil.
Disclosure of Invention
The utility model provides a building engineering witness sampling device, which aims to solve the problems that the existing sampling device cannot effectively reserve the integrity of a sample and influences the sampling precision.
The utility model relates to a building engineering witness sampling device which adopts the following technical scheme: a sampling device for witness of building engineering comprises a bracket, a first outer tube, a sampling head and a driving mechanism. The first outer tube is arranged on the support in a sliding mode, the first outer tube is arranged outside the sampling tube, the two ends of the first outer tube are respectively a first end and a second end, and the sampling head is arranged at the first end of the first outer tube.
The sampling head is kept away from fixedly being provided with a plurality of cutting edges on the one end of the first end of first outer tube, and a plurality of cutting edges are along the circumference equipartition of first outer tube. The blade has a first condition in which the blade extends along the axis of the first outer tube and a second condition. In the second state, the cutting edge is obliquely arranged relative to the axial direction of the first outer tube, and one end of the cutting edge, which is close to the sampling head, is positioned at one side, which is far away from one end of the sampling head, and is close to the axis of the first outer tube. When the cutting edge is changed from the second state to the first state, the cutting edge drives part of soil to enter the sampling tube.
The driving mechanism comprises a driving assembly, a first transmission assembly and a second transmission assembly, wherein the driving assembly firstly drives the first outer tube to move towards the inside of soil through the first transmission assembly, and cuts the soil through the sampling head. The sampling tube is driven to move towards the inside of the soil after passing through the second transmission assembly after driving the assembly, and the sampling tube is used for accommodating the soil cut by the sampling head, so that sampling is completed.
Further, the sampling tube is composed of two half tubes which are identical in structure and symmetrical along the axis of the sampling tube.
Further, the cutting edge is triangle-shaped, and the base fixed connection of triangle-shaped cutting edge is in the sampling head, and the top department that the cutting edge of triangle-shaped kept away from the sampling head is provided with the inclined plane, along the direction of first outer tube second end to first end, the axis of first outer tube is kept away from gradually to the inclined plane.
Further, a guide rail is fixedly arranged on one side, close to the axis of the first outer tube, of each blade, the guide rail extends along the length direction of the blade, and the cross section of the blade is T-shaped. A plurality of guide rail grooves are formed in the outer wall of the sampling tube, the guide rail grooves are uniformly distributed along the circumferential direction of the sampling tube, each guide rail groove extends along the axial direction of the sampling tube, each guide rail is slidingly arranged in one guide rail groove, and the cross section of each guide rail groove is inverted T-shaped matched with the cutting edge.
Further, the driving assembly comprises an impact machine, the impact machine is fixedly arranged on the support, a first piston cylinder and a second piston cylinder are arranged on the impact machine, and the impact machine drives the first transmission assembly to move through the first piston cylinder, so that the first outer tube is driven to move towards the inside of soil. The impact machine drives the second transmission assembly to move through the second piston cylinder, and then drives the sampling tube to move towards the inside of the soil.
Further, the first transmission assembly comprises a connecting pipe and a second outer pipe, and one end of the connecting pipe is fixedly connected to the first piston cylinder. One end of the second outer tube is fixedly connected to the second end of the first outer tube, and the other end of the second outer tube is detachably connected to the other end of the connecting tube.
Further, the second transmission assembly comprises an inner tube and an extension rod, the inner tube is arranged in the connecting tube, and one end of the inner tube is fixedly connected with the second piston cylinder. One end of the extension rod is fixedly connected with one end of the sampling tube, which is close to the second end of the first outer tube, and the other end of the extension rod is detachably connected with the other end of the inner tube.
Further, the extension rod is close to the fixed first connector that is provided with of the one end that the inner tube was connected, first connector and inner tube screw thread cooperation. The second outer pipe is close to the fixed second connector that is provided with of one end that the connecting pipe is connected, connecting pipe and second connector screw thread cooperation. The second outer tube is close to the fixed third connector that is provided with of one end of first outer tube, and the second end of first outer tube is fixed to be provided with the fourth connector, third connector and fourth connector screw-thread fit. The one end that the extension pole is close to the sampling tube is fixed to be provided with the fifth connector, and the one end that the sampling tube is close to the extension pole is fixed to be provided with the sixth connector, fifth connector and sixth connector screw-thread fit.
Further, the blade is a deformable metal sheet, and the thickness of the metal sheet is smaller than that of the sampling tube.
Further, the construction witness sampling device further comprises a plurality of connection assemblies, each connection assembly comprising a bolt and a nut. A plurality of first connecting holes have been seted up to the first end of first outer tube, and a plurality of first connecting holes are along the circumference equipartition of first outer tube. A plurality of second connecting holes are formed in one end, close to the first outer tube, of the sampling head, the second connecting holes are uniformly distributed along the circumferential direction of the first outer tube, each first connecting hole corresponds to one second connecting hole one by one, and each first connecting hole corresponds to one second connecting hole and is fixedly connected through a connecting assembly.
The beneficial effects of the utility model are as follows: according to the building engineering witness sampling device, the first outer tube and the sampling tube which are sequentially moved are arranged, the soil is firstly cut through the sampling head, and then the soil is filled into the sampling tube, so that the whole length of the sampled soil is not easy to compress, and the problem that the whole length of the sampled soil is insufficient due to the fact that the whole length of the soil is compressed is solved.
The cutting edge has first state and second state, and the in-process that the cutting edge changed into first state from the second state, the action of drawing in is closed in opening of a plurality of cutting edges can draw in a part of soil into the sampling tube to make up the problem that part of soil is compressed and takes out the length inadequately, make the error of the whole soil volume of getting less.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a witness sampling device for construction engineering according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a blade of a witness sampling device for construction engineering in a second state according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a witness sampling device for construction engineering according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is a schematic diagram of a blade of a witness sampler for construction in a first state according to an embodiment of the present utility model;
fig. 6 is a cross-sectional view at B-B in fig. 5.
In the figure: 100. an impact machine; 110. an inner tube; 120. a connecting pipe; 210. an extension rod; 211. a fifth connector; 212. a first connector; 220. a second outer tube; 221. a third connector; 222. a second connector; 300. a first outer tube; 310. a sampling head; 311. a second connection hole; 312. a guide rail; 321. a fourth connector; 322. a first connection hole; 330. a blade; 400. a sampling tube; 410. a sixth connector; 420. a guide rail groove.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, a witness sampling device for construction engineering according to a first embodiment of the present utility model includes a bracket, a first outer tube 300, a sampling tube 400, a sampling head 310, and a driving mechanism. The first outer tube 300 is slidably disposed on the support, the first outer tube 300 is disposed outside the sampling tube 400, two ends of the first outer tube 300 are a first end and a second end, and the sampling head 310 is disposed at the first end of the first outer tube 300.
The sampling head 310 is fixedly provided with a plurality of blades 330 on one end far away from the first end of the first outer tube 300, and the blades 330 are uniformly distributed along the circumferential direction of the first outer tube 300. The blade 330 has a first state in which the blade 330 extends along the axis of the first outer tube 300 and a second state. In the second state, the blade 330 is disposed obliquely with respect to the axial direction of the first outer tube 300, and an end of the blade 330 near the sampling head 310 is on a side of an end of the blade 330 remote from the sampling head 310 near the axis of the first outer tube 300. When the blade 330 is changed from the second state to the first state, the blade 330 drives a portion of the soil into the sampling tube 400.
The driving mechanism comprises a driving assembly, a first transmission assembly and a second transmission assembly, wherein the driving assembly drives the first outer tube 300 to move towards the inside of soil through the first transmission assembly, and the soil is cut through the sampling head 310. The driving assembly drives the sampling tube 400 to move towards the inside of the soil through the second transmission assembly, and the sampling tube 400 is used for accommodating the soil cut by the sampling head 310, so that the sampling is completed.
In this embodiment, the sampling tube 400 is composed of two half tubes of identical construction and symmetrical along the axis of the sampling tube 400. When sampling is completed, the device is disassembled and the two half-tubes are opened to remove the soil taken.
In this embodiment, the cutting edge 330 is triangular, the bottom edge of the triangular cutting edge 330 is fixedly connected to the sampling head 310, and an inclined surface is disposed at the top end of the triangular cutting edge 330 away from the sampling head 310, and gradually away from the axis of the first outer tube 300 along the direction from the second end to the first end of the first outer tube 300. During the gradual downward movement of sampling head 310 relative to sampling tube 400, blade 330 gradually transitions from the first state to the second state, i.e., the plurality of blades 330 are splayed outward, by the bevel of blade 330.
In this embodiment, a guide rail 312 is fixedly provided on a side of each blade 330 near the axis of the first outer tube 300, the guide rail 312 extends along the length direction of the blade 330, and the blade 330 has a T-shaped cross section. The outer wall of the sampling tube 400 is provided with a plurality of guide rail grooves 420, the plurality of guide rail grooves 420 are uniformly distributed along the circumferential direction of the sampling tube 400, each guide rail groove 420 extends along the axial direction of the sampling tube 400, each guide rail 312 is slidingly arranged in one guide rail groove 420, and the cross section of the guide rail groove 420 is in an inverted T shape matched with the cutting edge 330.
In the process of gradually moving the sampling tube 400 downward relative to the first outer tube 300, the sampling tube 400 gradually drives the guide rail 312 to return to the guide rail groove 420 through the guide rail groove 420 under the cooperation of the guide rail groove 420 and the guide rail 312, so that the blade 330 gradually changes from the second state to the first state. During operation, the opening, closing and collapsing actions of the plurality of blades 330 may collapse a portion of the soil into the sampling tube 400 to compensate for the portion of the soil that falls off when the soil is cut off, so that the error in the volume of the soil taken is small.
In this embodiment, the driving assembly includes an impact machine 100, where the impact machine 100 is fixedly disposed on a support, and a first piston cylinder and a second piston cylinder are disposed on the impact machine 100, and the first piston cylinder and the second piston cylinder move separately and do not interfere with each other. The impact machine 100 is started, and the impact machine 100 drives the first transmission component to move through the first piston cylinder, so that the first outer tube 300 is driven to move towards the inside of soil. The impact machine 100 drives the second transmission assembly to move through the second piston cylinder, so as to drive the sampling tube 400 to move towards the soil.
In this embodiment, the first transmission assembly includes a connection pipe 120 and a second outer pipe 220, and one end of the connection pipe 120 is fixedly connected to the first piston cylinder. One end of the second outer tube 220 is fixedly connected to the second end of the first outer tube 300, and the other end of the second outer tube 220 is detachably connected to the other end of the connection tube 120. Starting the impact machine 100, the impact machine 100 drives the first piston cylinder to move, the first piston cylinder presses the second outer tube 220 downwards through the connecting tube 120, and the second outer tube 220 drives the first outer tube 300 and the sampling head 310 to move downwards.
In this embodiment, the second transmission assembly includes an inner tube 110 and an extension rod 210, the inner tube 110 is disposed inside the connecting tube 120, and one end of the inner tube 110 is fixedly connected to the second piston cylinder. One end of the extension rod 210 is fixedly coupled to one end of the sampling tube 400 near the second end of the first outer tube 300, and the other end of the extension rod 210 is detachably coupled to the other end of the inner tube 110. The impact machine 100 is started, the impact machine 100 drives the second piston cylinder to move, the second piston cylinder downwards punches the extension rod 210 through the inner tube 110, the extension rod 210 drives the sampling tube 400 to downwards move, and cut soil is filled into the sampling tube 400.
In this embodiment, the inner wall of the inner tube 110 is threaded, the end of the extension rod 210, which is close to the connection of the inner tube 110, is fixedly provided with a first connector 212, the outer wall of the first connector 212 is threaded, and the first connector 212 is in threaded fit with the inner tube 110. The inner wall of the connecting pipe 120 is provided with threads, one end, which is close to the connecting pipe 120, of the second outer pipe 220 is fixedly provided with a second connector 222, the outer wall of the second connector 222 is provided with threads, and the connecting pipe 120 is in threaded fit with the second connector 222.
The second outer tube 220 is close to the fixed third connector 221 that is provided with in one end of first outer tube 300, and the screw thread has been seted up on the inner wall of third connector 221, and the fixed fourth connector 321 that is provided with in second end of first outer tube 300, has seted up the screw thread on the outer wall of fourth connector 321, and third connector 221 and fourth connector 321 screw thread fit.
The extension rod 210 is close to the fixed fifth connector 211 that is provided with of one end of sampling tube 400, and the screw thread has been seted up on the inner wall of fifth connector 211, and the sampling tube 400 is close to the fixed sixth connector 410 that is provided with of one end of extension rod 210, and the screw thread has been seted up on the outer wall of sixth connector 410, and fifth connector 211 and sixth connector 410 screw-thread fit to the convenient dismantlement.
In this embodiment, the blade 330 is a deformable metal sheet, and the thickness of the metal sheet is smaller than that of the sampling tube 400, so that the soil is cut off, and the soil is not easy to deform.
In this embodiment, the construction witness sampling device further includes a plurality of connection assemblies, each connection assembly including a bolt and a nut. The first end of the first outer tube 300 is provided with a plurality of first connecting holes 322, and the plurality of first connecting holes 322 are uniformly distributed along the circumferential direction of the first outer tube 300. The sampling head 310 is close to one end of the first outer tube 300 and is provided with a plurality of second connecting holes 311, the second connecting holes 311 are uniformly distributed along the circumferential direction of the first outer tube 300, each first connecting hole 322 corresponds to one second connecting hole 311 one by one, and each first connecting hole 322 corresponds to one second connecting hole 311 and is fixedly connected through a connecting component.
The working process comprises the following steps: in the initial state, the blade 330 is in the first state. When the device is assembled, the sampling head 310 is aligned with soil, the impact machine 100 is started, the impact machine 100 drives the first piston cylinder to move, the first piston cylinder presses the second outer tube 220 downwards through the connecting tube 120, and the second outer tube 220 drives the first outer tube 300 and the sampling head 310 to move downwards. In the process of being inserted into the soil, since the blade 330 is triangular and has a thickness smaller than that of the sampling tube 400, the blade 330 can easily cut the soil, and since the soil is easily stuck in a moist soil environment, the adhesion between the soil is broken by the blade 330, so that the whole length of the soil is not easily compressed when the soil is cut by the blade 330. In the process that the sampling head 310 gradually moves downwards relative to the sampling tube 400, the sampling head 310 gradually moves away from the sampling tube 400, the guide rail 312 slides in the guide rail groove 420, and the contact area between the guide rail 312 and the guide rail groove 420 gradually decreases, so that the deformation of the cutting edge 330 is not affected. The blades 330 gradually transition from the first state to the second state, i.e., the plurality of blades 330 are outwardly splayed, by the slope of the blades 330.
The impact machine 100 then drives the second piston cylinder to move, the second piston cylinder presses the extension rod 210 downward through the inner tube 110, the extension rod 210 drives the sampling tube 400 to move downward, and the cut soil is loaded into the sampling tube 400. In the process of gradually moving the sampling tube 400 downward relative to the sampling head 310, under the cooperation of the guide rail groove 420 and the guide rail 312, the sampling tube 400 gradually drives the guide rail 312 to return to the guide rail groove 420 through the guide rail groove 420, so that the blade 330 gradually changes from the second state to the first state.
During operation, the opening, closing and collapsing action of the plurality of blades 330 may collapse a portion of the soil into the sampling tube 400 to compensate for the portion of the soil that falls off when the soil is cut off, so that the error of the overall soil volume is small. After the device is removed, the impactor 100 is removed and the sampling tube 400 is removed, after which the two halves are opened to remove the removed soil.
In other embodiments of the present utility model, a construction witness sampling device, different from the above embodiments, is: the inner wall of the sampling tube 400 is threaded, the first end of the first outer tube 300 is threaded, and the sampling tube 400 is in threaded engagement with the first outer tube 300.
The foregoing description of the preferred embodiments of the utility model 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 utility model.
Claims (9)
1. Building engineering witness sampling device, its characterized in that:
comprises a bracket, a first outer tube, a sampling head and a driving mechanism; the first outer tube is arranged on the bracket in a sliding manner, the first outer tube is arranged outside the sampling tube, the two ends of the first outer tube are respectively a first end and a second end, and the sampling head is arranged at the first end of the first outer tube;
the sampling head is fixedly provided with a plurality of blades at one end far away from the first end of the first outer tube, and the blades are uniformly distributed along the circumferential direction of the first outer tube; the blade has a first condition in which the blade extends along the axis of the first outer tube and a second condition; in the second state, the cutting edge is obliquely arranged relative to the axial direction of the first outer tube, and one end of the cutting edge, which is close to the sampling head, is positioned at one side, which is far away from the axis of the first outer tube, of one end of the cutting edge, which is close to the sampling head;
a guide rail is fixedly arranged on one side of each blade close to the axis of the first outer tube, the guide rail extends along the length direction of the blade, and the cross section of the blade is T-shaped; the outer wall of the sampling tube is provided with a plurality of guide rail grooves which are uniformly distributed along the circumferential direction of the sampling tube, each guide rail groove extends along the axial direction of the sampling tube, each guide rail is slidingly arranged in one guide rail groove, and the cross section of the guide rail groove is in an inverted T shape matched with the cutting edge; in the process that the sampling tube moves downwards relative to the sampling head, the cutting edge is changed from the second state to the first state under the cooperation of the guide rail groove and the guide rail, and the cutting edge drives part of soil to enter the sampling tube;
the driving mechanism comprises a driving assembly, a first transmission assembly and a second transmission assembly, wherein the driving assembly firstly drives the first outer tube to move towards the inside of soil through the first transmission assembly, and cuts the soil through the sampling head; the sampling tube is driven to move towards the inside of the soil after passing through the second transmission assembly after driving the assembly, and the sampling tube is used for accommodating the soil cut by the sampling head, so that sampling is completed.
2. A construction witness sampling device in accordance with claim 1 wherein:
the sampling tube consists of two half tubes which have the same structure and are symmetrical along the axis of the sampling tube.
3. A construction witness sampling device in accordance with claim 1 wherein:
the cutting edge is triangle-shaped, and the base fixed connection of triangle-shaped cutting edge is in the sampling head, and the top department that the cutting edge of triangle-shaped kept away from the sampling head is provided with the inclined plane, along the direction of first outer tube second end to first end, the axis of first outer tube is kept away from gradually to the inclined plane.
4. A construction witness sampling device in accordance with claim 1 wherein:
the driving assembly comprises an impact machine which is fixedly arranged on the bracket, a first piston cylinder and a second piston cylinder are arranged on the impact machine, and the impact machine drives the first transmission assembly to move through the first piston cylinder so as to drive the first outer tube to move towards the inside of soil; the impact machine drives the second transmission assembly to move through the second piston cylinder, and then drives the sampling tube to move towards the inside of the soil.
5. A construction witness sampling device in accordance with claim 4 wherein:
the first transmission assembly comprises a connecting pipe and a second outer pipe, and one end of the connecting pipe is fixedly connected to the first piston cylinder; one end of the second outer tube is fixedly connected to the second end of the first outer tube, and the other end of the second outer tube is detachably connected to the other end of the connecting tube.
6. A construction witness sampling device in accordance with claim 5 wherein:
the second transmission assembly comprises an inner tube and an extension rod, the inner tube is arranged in the connecting tube, and one end of the inner tube is fixedly connected with the second piston cylinder; one end of the extension rod is fixedly connected with one end of the sampling tube, which is close to the second end of the first outer tube, and the other end of the extension rod is detachably connected with the other end of the inner tube.
7. The construction witness sampling device as set forth in claim 6, wherein:
the first connector is fixedly arranged at one end of the extension rod, which is close to the connection of the inner pipe, and is matched with the inner pipe through threads; the connecting pipe is in threaded fit with the second connecting head; a third connector is fixedly arranged at one end, close to the first outer tube, of the second outer tube, a fourth connector is fixedly arranged at the second end of the first outer tube, and the third connector is in threaded fit with the fourth connector; the one end that the extension pole is close to the sampling tube is fixed to be provided with the fifth connector, and the one end that the sampling tube is close to the extension pole is fixed to be provided with the sixth connector, fifth connector and sixth connector screw-thread fit.
8. A construction witness sampling device in accordance with claim 1 wherein:
the blade is a deformable metal sheet, and the thickness of the metal sheet is smaller than that of the sampling tube.
9. A construction witness sampling device in accordance with claim 1 wherein:
the building engineering witness sampling device further comprises a plurality of connecting components, wherein each connecting component comprises a bolt and a nut; the first end of the first outer tube is provided with a plurality of first connecting holes which are uniformly distributed along the circumferential direction of the first outer tube; a plurality of second connecting holes are formed in one end, close to the first outer tube, of the sampling head, the second connecting holes are uniformly distributed along the circumferential direction of the first outer tube, each first connecting hole corresponds to one second connecting hole one by one, and each first connecting hole corresponds to one second connecting hole and is fixedly connected through a connecting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311187776.4A CN116929839B (en) | 2023-09-15 | 2023-09-15 | Building engineering witness sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311187776.4A CN116929839B (en) | 2023-09-15 | 2023-09-15 | Building engineering witness sampling device |
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| Publication Number | Publication Date |
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| CN116929839A CN116929839A (en) | 2023-10-24 |
| CN116929839B true CN116929839B (en) | 2023-12-05 |
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| CN202311187776.4A Active CN116929839B (en) | 2023-09-15 | 2023-09-15 | Building engineering witness sampling device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205547U (en) * | 1986-08-05 | 1987-05-27 | 交通部第三航务工程勘察设计院 | Triplex pipe soil sampler with flap door |
| CN107741339A (en) * | 2017-11-29 | 2018-02-27 | 中铁西北科学研究院有限公司 | A kind of outer dynamic interior stationary ring knife drawing out soil equipment and soil basketing method |
| CN107831030A (en) * | 2017-10-24 | 2018-03-23 | 陈云夫 | A kind of geologic prospect soil sampling apparatus |
| CN207795244U (en) * | 2017-12-29 | 2018-08-31 | 江苏省无锡探矿机械总厂有限公司 | A kind of direct-push soil sample drilling tool component |
| CN210005274U (en) * | 2019-02-20 | 2020-01-31 | 青海诺安检测技术有限公司 | Building engineering witness sampling device |
| CN111157275A (en) * | 2019-12-31 | 2020-05-15 | 深圳世标检测认证股份有限公司 | In-situ soil sampling device |
| CN212410145U (en) * | 2020-10-14 | 2021-01-26 | 山东省水利科学研究院 | Undisturbed soil sampler |
| CN113358403A (en) * | 2021-06-08 | 2021-09-07 | 江西省生态环境科学研究与规划院 | Soil sampler |
| CN214502944U (en) * | 2021-01-27 | 2021-10-26 | 中国科学院地理科学与资源研究所 | Novel undisturbed soil borrowing drill |
| CN217605323U (en) * | 2021-11-30 | 2022-10-18 | 苏州地智环保科技有限公司 | Convenient and efficient soil sampling device with multiple types of non-mixing |
-
2023
- 2023-09-15 CN CN202311187776.4A patent/CN116929839B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205547U (en) * | 1986-08-05 | 1987-05-27 | 交通部第三航务工程勘察设计院 | Triplex pipe soil sampler with flap door |
| CN107831030A (en) * | 2017-10-24 | 2018-03-23 | 陈云夫 | A kind of geologic prospect soil sampling apparatus |
| CN107741339A (en) * | 2017-11-29 | 2018-02-27 | 中铁西北科学研究院有限公司 | A kind of outer dynamic interior stationary ring knife drawing out soil equipment and soil basketing method |
| CN207795244U (en) * | 2017-12-29 | 2018-08-31 | 江苏省无锡探矿机械总厂有限公司 | A kind of direct-push soil sample drilling tool component |
| CN210005274U (en) * | 2019-02-20 | 2020-01-31 | 青海诺安检测技术有限公司 | Building engineering witness sampling device |
| CN111157275A (en) * | 2019-12-31 | 2020-05-15 | 深圳世标检测认证股份有限公司 | In-situ soil sampling device |
| CN212410145U (en) * | 2020-10-14 | 2021-01-26 | 山东省水利科学研究院 | Undisturbed soil sampler |
| CN214502944U (en) * | 2021-01-27 | 2021-10-26 | 中国科学院地理科学与资源研究所 | Novel undisturbed soil borrowing drill |
| CN113358403A (en) * | 2021-06-08 | 2021-09-07 | 江西省生态环境科学研究与规划院 | Soil sampler |
| CN217605323U (en) * | 2021-11-30 | 2022-10-18 | 苏州地智环保科技有限公司 | Convenient and efficient soil sampling device with multiple types of non-mixing |
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