CN112502122A - Soil sampling device and method for soil compaction test - Google Patents
Soil sampling device and method for soil compaction test Download PDFInfo
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- CN112502122A CN112502122A CN202011244855.0A CN202011244855A CN112502122A CN 112502122 A CN112502122 A CN 112502122A CN 202011244855 A CN202011244855 A CN 202011244855A CN 112502122 A CN112502122 A CN 112502122A
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- soil
- punching equipment
- soil sampling
- sampling device
- connecting rod
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/04—Sampling of soil
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the field of municipal road roadbed backfilling, highway engineering roadbed and building engineering backfill soil layer detection devices, in particular to a soil compaction test soil sampling device and a soil sampling method thereof, wherein the soil sampling method comprises the following steps: the rotary table, the rotating shaft, the rotating plate, the connecting rod transmission device and the punching equipment; the rotary plate is connected with the rotating shaft, the rotary plate is installed in a mode that the rotary plate moves up and down along the rotating shaft, and the rotary plate is connected with the punching equipment through the connecting rod transmission device. This experimental geotome of soil body compactness has improved the speed of borrowing, test operation is more convenient, reduced problem such as test cost height.
Description
Technical Field
The invention relates to the field of municipal road roadbed backfilling, highway engineering roadbed and building engineering backfill soil layer detection devices, in particular to a soil compaction test soil sampling device and a soil sampling method thereof.
Background
In the past fifty years or so, the foreign engineering field began to pay attention to the problems of foundation settlement and the like caused by foundation backfill, however, a great deal of research on the compaction degree of various backfill soil bodies was not carried out until the foreign in the last 60 th century, the influence of the soil body compaction degree on the settlement of foundation backfill is found to be huge, and a method for detecting the soil body compaction degree is provided. In contrast, the detection development of the soil compaction degree in China is late, and most of the detection development is in the stages of theoretical discussion, preliminary tests and primary equipment development. The method mainly adopted in soil compaction degree measurement is a sand filling method, sampling and soil taking are required to be carried out in a specific place, and the method mainly adopted in the prior sand filling method test soil taking is to carry out hole digging and soil taking by utilizing a hoe and a steel stamp. The method for excavating and taking earth by utilizing the heading and the steel stamp consumes a large amount of time, manpower and material resources, and has high cost and difficult operation.
Therefore, in order to solve the problems in the background art, the construction test detection has higher operability, and the efficient and standard operation is realized. The soil sampling device for the soil compaction test has the advantages of simple and reasonable structural design, convenience in operation and use, capability of solving the problem that soil sampling in the foundation backfill test of bridges, roads and building engineering is very difficult, capability of greatly improving the soil sampling efficiency in the ring cutting method test, small soil disturbance, low cost and important application prospect and practical significance.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a soil compaction test soil sampling device, which overcomes the problems of slow soil sampling speed, large time, labor and material consumption, high cost and difficult operation in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a soil compaction test soil sampling device comprises a rotary table, a rotary shaft, a rotary plate, a connecting rod transmission device and punching equipment; wherein the content of the first and second substances,
the carousel is connected the pivot, when manual rotation carousel, by the level of carousel rotates the drive the rotation of pivot, change the board along the pivot direction reciprocates the installation, works as when the pivot rotates, it is right to change the board and continuously exert pressure, change the board and pass through connecting rod transmission connects the installation drilling equipment, by the power transmission that changes the board and receive extremely connecting rod transmission connects finally, by connecting rod transmission connects drilling equipment, drilling equipment is because of receiving the power that transmission exerted pressure downwards makes drilling equipment constantly strikes the soil body.
Further, the link transmission device includes: the lower end of the dowel bar is fixedly connected with the upper end of the force transmission pitch by adopting a nut and welding to achieve the purpose of reducing the loss of force in the transmission process.
Further, the dowel bar is an L-shaped dowel bar, and in other cases, the dowel bar may have other shapes.
Furthermore, the upper end of the connecting rod transmission device is fixedly connected with the lower section of the rotating plate by welding; the lower end of the connecting rod transmission device is fixedly connected with the upper end of the punching equipment through a nut and welding.
Further, the punching apparatus is a cylindrical punching apparatus, and the diameter of the aperture portion of the cylindrical punching apparatus is 100 mm.
Furthermore, a cutting ring is arranged on the aperture part of the cylindrical punching equipment, so that the contact area between the aperture part and the soil body is reduced, and labor is saved when the soil body is adopted.
Further, still include stop device, the stop device lower extreme adopts nut and welded fastening to be connected the commentaries on classics board up end, stop device guarantees that the pivot is exerted pressure back member wholeness and stability for the pivot can be stable continuously exert pressure, the loading.
In view of the above, the second object of the present invention is to provide a method for taking earth by using the earth taking device as mentioned in any one of the above, comprising the following steps:
the rotating shaft is driven to apply a directional force to the rotating plate by manually rotating the rotating disc;
the rotating plate is stressed to drive a dowel bar in the connecting rod transmission mechanism to continuously do work downwards;
the force transmission rod works downwards to continuously drive the force transmission screw rod in the connecting rod transmission mechanism to continuously move downwards;
the movement of the force transmission screw drives the punching equipment to continuously impact the soil body to obtain a test soil body;
and finally, cleaning and then performing a sand filling method test.
The invention provides a soil sampling device and a soil sampling method for a soil compaction test, which have the advantages of simple and reasonable design structure and convenience in operation and use, can solve the problems of low soil sampling speed, complex test operation, high test cost and the like in the soil compaction test, are applied to the road, bridge and building foundation quality detection industry, can greatly improve the efficiency of detection work, and have relatively low cost, long service life and reusability.
Drawings
FIG. 1 shows a soil sampling device for soil compaction test according to the present invention.
Reference numerals
Wherein 111 is a turntable, 112 is a limiting device, 113 is a rotating shaft, 114 is a screw cap, 115 is a rotating plate, 116 is a force transmission rod, 117 is a force transmission screw rod, and 118 is cylindrical punching equipment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. 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 invention.
The examples are given for the purpose of better illustration of the invention, but the invention is not limited to the examples. Therefore, those skilled in the art should make insubstantial modifications and adaptations to the embodiments of the present invention in light of the above teachings and remain within the scope of the invention.
Example 1
According to the figure 1, the soil sampling device for the soil compaction test comprises a 111 rotating disc, a 112 limiting device, a 113 rotating shaft, a 114 screw cap, a 115 rotating plate, a 116 force transmission rod, a 117 force transmission screw rod and 118 punching equipment.
Specifically, the rotary table 111 in this embodiment is a manual rotary table, and other modes may be selected to control the rotation of the rotary table 111 at other times, so as to generate power to the rotary table 111, thereby realizing the kinetic energy of the rotary table 111 in the horizontal direction; further, after the rotating disc 111 generates kinetic energy, the rotating shaft 113 fixedly connected with the rotating disc is driven to apply pressure to the rotating plate 115; the pressing force applied to the rotating plate 115 makes the rotating plate move up and down along the direction of the rotating shaft 113; because the rotating plate 115 is fixed with the force transmission rod 116 in the transmission link mechanism, the rotating plate 115 moves up and down to drive the force transmission rod 116 in the link transmission mechanism to continuously move downwards, and the force transmission rod 116 in the transmission link transmission mechanism is fixedly connected with the force transmission screw rod 117, so that the force transmission rod 116 drives the force transmission screw rod 117 to move; because the force transmission screw 117 and the punching equipment 118 are fixedly connected, the force transmission screw 117 will continue to drive the punching equipment 118 to impact the soil body.
Further, the turntable 111 continuously rotates to apply work, so that the rotating shaft 113 continuously applies pressure to the rotating plate 115 due to the continuous rotation of the turntable 111, the rotating plate 115 continuously moves up and down along the direction of the rotating shaft 113 due to the continuous pressure applied by the rotating shaft 113 to the rotating plate 115, and the rotating plate 115 continuously moves to drive the transmission mechanism below to continuously move and further drive the punching equipment to continuously impact the soil mass, so as to obtain the test soil mass.
Still further, the limiting device 112 is fixed on the upper end surface of the rotating plate 115, the purpose of the limiting device is to ensure that the integrity of the whole rod is limited when the rotating shaft is pressed, and the other purpose of the limiting device is to limit the instability of the whole device when the rotating shaft is pressed, so that the limiting rod has a stabilizing effect.
Still further, the nut 114 is used for fixing a place where the nut needs to be fixedly connected, the nut is mainly convenient to disassemble, and the nut is installed through welding auxiliary connection, so that the installation method is convenient and firm.
Example 2
Based on the soil sampling device in the soil compaction test in embodiment 1, the present embodiment discloses a method for sampling soil by using the soil sampling device in the soil compaction test, which includes the following steps:
s1: installing the soil sampling device for the soil compaction test on the ground to be sampled; fixing the soil sampling device on the ground;
before the device is used, a proper place is selected to install the soil sampling device for the soil compaction test, and the punching equipment is close to and contacts with the ground when the device is installed.
S2: the rotating disc is rotated to generate power, so that the rotating shaft continuously rotates; the rotating shaft drives the rotating plate to move up and down along the rotating shaft direction, the rotating plate moves up and down to drive the transmission device to move,
in this embodiment, a horizontal rotation force is applied to the rotary table by manually rotating the rotary table, specifically, by rotating the rotary table 111, a horizontal rotation force is generated, so that the driving rotary shaft is continuously rotated; the rotation of the rotating shaft drives the rotating plate to move up and down along the rotating shaft direction, so that the dowel bar in the transmission device is driven to move downwards, and the dowel bar drives the dowel screw to continuously move.
S3: the punching equipment continuously applies work to the soil body to fetch the soil.
In the step, the punching equipment is moved by the force transmission pitch, so that the punching equipment continuously and continuously applies work to the soil body until soil taking is completed.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The soil sampling device for the soil compaction test is characterized by comprising a rotary table, a rotary shaft, a rotary plate, a connecting rod transmission device and punching equipment; wherein the content of the first and second substances,
the rotary table is connected with the rotary shaft, the rotary plate is installed in a mode that the rotary plate moves up and down along the direction of the rotary shaft, and the rotary plate is connected with the punching equipment through the connecting rod transmission device.
2. The soil sampling device for soil compaction test of claim 1, wherein the linkage transmission comprises: a force transfer rod and a force transfer screw rod; the lower end of the dowel bar is fixedly connected with the upper end of the dowel screw by adopting a nut and welding.
3. The soil sampling device for soil compaction test of claim 2, wherein the dowel is an L-shaped dowel.
4. The soil sampling device for soil compaction test according to claim 1, wherein the upper end of the connecting rod transmission device is fixedly connected with the lower end surface of the rotating plate by welding; the lower end of the connecting rod transmission device is fixedly connected with the upper end of the punching equipment through a nut and welding.
5. The soil sampling device for soil compaction test of claim 1, wherein the punching equipment is a cylindrical punching equipment, and the diameter of the aperture part of the cylindrical punching equipment is 100 mm.
6. The soil sampling device for soil compaction test of claim 5, wherein the aperture part of the cylindrical punching equipment is provided with a cutting ring.
7. The soil sampling device for the soil compaction test of claim 1, further comprising a limiting device, wherein the lower end of the limiting device is fixedly connected to the upper end face of the rotating plate by adopting a nut and welding.
8. A method of soil sampling using the soil sampling device as claimed in any one of claims 1 to 8, comprising the steps of:
the rotating plate is driven to apply a force to the rotating plate by rotating the rotating disc;
the rotating plate is stressed to drive the connecting rod transmission mechanism to continuously do work downwards;
the movement of the connecting rod transmission mechanism drives the punching equipment to continuously impact the soil body to obtain a test soil body;
and finally, cleaning and then performing a sand filling method test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244855.0A CN112502122A (en) | 2020-11-10 | 2020-11-10 | Soil sampling device and method for soil compaction test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244855.0A CN112502122A (en) | 2020-11-10 | 2020-11-10 | Soil sampling device and method for soil compaction test |
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| Publication Number | Publication Date |
|---|---|
| CN112502122A true CN112502122A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011244855.0A Pending CN112502122A (en) | 2020-11-10 | 2020-11-10 | Soil sampling device and method for soil compaction test |
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| Country | Link |
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| CN (1) | CN112502122A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865836A (en) * | 2016-06-16 | 2016-08-17 | 无锡中地钻探装备有限公司 | Outward turning piece type soil sampling device |
| CN206479344U (en) * | 2017-02-24 | 2017-09-08 | 孙鑫 | Municipal administration and road engineering based on standard compaction test are with new cutting ring drawing out soil equipment |
| CN208187733U (en) * | 2018-05-04 | 2018-12-04 | 长沙理工大学 | A kind of artificial multistage drawing out soil equipment |
-
2020
- 2020-11-10 CN CN202011244855.0A patent/CN112502122A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865836A (en) * | 2016-06-16 | 2016-08-17 | 无锡中地钻探装备有限公司 | Outward turning piece type soil sampling device |
| CN206479344U (en) * | 2017-02-24 | 2017-09-08 | 孙鑫 | Municipal administration and road engineering based on standard compaction test are with new cutting ring drawing out soil equipment |
| CN208187733U (en) * | 2018-05-04 | 2018-12-04 | 长沙理工大学 | A kind of artificial multistage drawing out soil equipment |
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Application publication date: 20210316 |