CN215004374U

CN215004374U - Hydraulic engineering foundation soil experiment sampling device

Info

Publication number: CN215004374U
Application number: CN202121023199.1U
Authority: CN
Inventors: 陈思祥; 杨正健
Original assignee: China Three Gorges University CTGU
Current assignee: Xinjiang Hengzheng Hongyu Engineering Project Management Co.,Ltd.
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-03
Anticipated expiration: 2031-05-13

Abstract

The utility model provides a hydraulic engineering foundation soil experiment sampling device, includes the mobile jib, from last to having connected gradually a plurality of extension rods down, every on the mobile jib all be provided with the part of fetching earth on the extension rod, the part of fetching earth includes sampling box, scraper and sets up the movable cover at the sampling box top, and the scraper is fixed to be set up in the open-ended edge at sampling box top, movable cover and extension rod swing joint. Through setting up a plurality of extension rods, increase simultaneously on every extension rod and set up the sampling part, the scraper scrapes soil and gets in the back soil sample gets into the sample box, can select the extension rod of suitable quantity and the mobile jib assembles whole device as required during the use, take the soil sample of the different degree of depth simultaneously through the sampling part on the different extension rods, because adopt the scraper to get the soil of sampling hole lateral wall, and do not get the soil of sampling hole bottom, can guarantee that the soil in each sample box coincide with the intraformational real soil information of corresponding degree of depth.

Description

Hydraulic engineering foundation soil experiment sampling device

Technical Field

The utility model belongs to the technical field of the geology reconnaissance, concretely relates to hydraulic engineering ground soil experiment sampling device.

Background

In the construction process of the hydraulic and hydroelectric engineering foundation, a soil sample is often detected, wherein the volume weight of soil is an important physical characteristic index of the soil, and the volume weight reflects the height of the soil structure, the air permeability, the water permeability and the water retention capacity. However, the volume weight of soil varies with the depth of the foundation, and the conventional soil sampling device usually includes a drill bit and a sampling tube or a sampling box disposed at the circumferential end of the drill bit. The drill bit is from top to bottom made the sample hole, and the interior soil of sample hole is drawed as experimental soil sample to the sampler barrel or sample box.

In fact, in the drilling process of the drill bit, the soil of different depths is piled up in the sampling hole bottom, and the volume weight information on different depth soil layers can not be fed back to the soil sample that the sampling cylinder was dug in the sampling hole bottom, leads to the misjudgment to ground soil nature. Therefore, a sampling device capable of sampling soil in different depth layers is needed.

Disclosure of Invention

An object of the utility model is to provide a hydraulic engineering ground soil experiment sampling device, through setting up a plurality of extension rods, increase simultaneously on every extension rod and set up the sampling part, in the scraper scraped soil and got back soil sample and get into the sample box to overcome the unable defect of taking the different degree of depth soil sample of prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a hydraulic engineering foundation soil experiment sampling device, includes the mobile jib, from last to having connected gradually a plurality of extension rods down, every on the mobile jib all be provided with the part of fetching earth on the extension rod, the part of fetching earth includes sampling box, scraper and sets up the movable cover at sampling box top, and the fixed open-ended edge that sets up at sampling box top of scraper, movable cover with extension rod swing joint.

The middle position of the upper end of the extension rod is provided with a threaded rod, the middle position of the lower end of the extension rod and the middle position of the lower end of the main rod are provided with a first threaded hole matched with the threaded rod, and the extension rod is in threaded connection with the main rod and the extension rod through the threaded rod.

The fixed PMKD that is provided with in top of sampling box on the above-mentioned extension rod, the fixed guide block that is provided with in one side of keeping away from the extension rod on the PMKD, one side of activity cover be provided with guide block assorted spout, activity cover and guide block sliding fit.

And a fixed top plate is fixedly arranged on one side of the guide block, which is far away from the fixed bottom plate, limiting bolts are respectively arranged on two sides of the fixed top plate, which correspond to the positions of the guide block, two threaded holes II matched with the limiting bolts are respectively arranged on two sides of the sliding groove on the movable cover, and the movable cover is in threaded connection with the limiting bolts.

And two sides of the sampling box are respectively provided with an observation glass window.

The upper end of the main rod is connected with a lifting handle, and the lifting handle is provided with anti-skidding holding grains.

The scraper is arranged with a blade inclining outwards, and a scraper sleeve is arranged on the scraper.

The utility model has the advantages that:

1. the device is characterized in that a plurality of extension rods are arranged, a sampling component is additionally arranged on each extension rod, soil samples are scraped by a scraper and enter a sampling box, the extension rods with proper quantity can be selected to be assembled with a main rod according to needs during use, the soil samples with different depths are simultaneously sampled by the sampling components on different extension rods, and the soil on the side wall of a sampling hole is sampled by the scraper, and the soil at the bottom of the sampling hole is not sampled, so that the soil in each sampling box can be ensured to be matched with the real soil information in the corresponding depth layer;

2. through setting up the movable cover, when adopting the scraper to take the soil of sampling hole inside wall, the soil that is hung by the scraper on the sample box of top in avoiding the sample process drops to the sample box in the below, leads to the soil of other heights to mix the testing result who influences soil with the soil of sample, further guarantees the accuracy of soil sample in the sample box.

Drawings

The invention and embodiments will be further explained with reference to the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection and matching between the extension rod and the main rod and between the extension rod and the extension rod;

FIG. 3 is a schematic view of the connection and engagement of the sampling member with the extension rod;

in the figure, a main rod 1, an extension rod 2, a soil sampling component 3, a sampling box 31, a scraper 32, a movable cover 33, a threaded rod 4, a fixed bottom plate 5, a guide block 6, a fixed top plate 7, a limiting bolt 8, an observation glass window 9, a lifting handle 10, a sliding chute 11, a first threaded hole 12 and a second threaded hole 13.

Detailed Description

As shown in fig. 1-3, a hydraulic engineering foundation soil experiment sampling device, includes mobile jib 1, from last a plurality of extension rods 2 that have connected gradually extremely down, every on the mobile jib 1 all be provided with the part of fetching soil 3 on the extension rod 2, the part of fetching soil 3 includes sampling box 31, scraper 32 and sets up the movable cover 33 at sampling box 31 top, and scraper 32 is fixed to be set up at the open-ended edge at sampling box 31 top, movable cover 33 with extension rod 2 swing joint.

Through setting up a plurality of extension rods 2, increase simultaneously on every extension rod 2 and set up the sampling part, scraper 32 scrapes soil and gets back soil sample and get into in the sample box 31, can select the extension rod 2 of suitable quantity as required during the use and assemble whole device with mobile jib 1, take the soil sample of the different degree of depth simultaneously through the sampling part on the different extension rods 2, owing to adopt scraper 32 to get the soil of sampling hole lateral wall, and do not take the soil of sampling hole bottom, can guarantee that the soil in each sample box 31 coincide with the intraformational real soil information of corresponding degree of depth.

Through setting up movable cover 33, when adopting scraper 32 to take the soil of sampling hole inside wall, avoid the soil that the scraper 32 on the sample box 31 hung by the top in the sample process drops to the sample box 31 in the below, lead to the soil of other heights to mix the testing result who influences soil with the soil of sample, further guarantee the accuracy of sampling the soil sample in the box 31.

Further, the middle position of the upper end of the extension rod 2 is provided with a threaded rod 4, the middle positions of the lower end of the extension rod 2 and the lower end of the main rod 1 are provided with a threaded hole 12 matched with the threaded rod 4, and the extension rod 2 is in threaded connection with the main rod 1 and the extension rod 2 through the threaded rod 4. Through setting up like this, can be convenient assemble and dismantle between extension rod 2 and the mobile jib 1 and between extension rod 2 and the extension rod 2, the removal and the storage of the whole device of also being convenient for after the use.

Further, the top of sampling box 31 is fixed on extension rod 2 and is provided with PMKD 5, and one side of keeping away from extension rod 2 on PMKD 5 is fixed and is provided with guide block 6, one side of activity cover 33 is provided with and guides 6 assorted spout 11, activity cover 33 and guide block 6 sliding fit. By this arrangement, the movable cover 33 can move up and down along the guide block 6, and in use, the sliding groove 11 on the movable cover 33 is aligned with the guide block 6 and then moves down along the guide block 6, so that the movable cover 33 is installed above the sampling box.

Further, a fixed top plate 7 is fixedly arranged on one side, far away from the fixed bottom plate 5, of the guide block 6, limit bolts 8 are respectively arranged on two sides, corresponding to the position of the guide block 6, of the fixed top plate 7, two threaded holes 13 matched with the limit bolts 8 are respectively arranged on two sides of the sliding groove 11 in the movable cover 33, and the movable cover 33 is in threaded connection with the limit bolts 8. Through setting up like this, with the movable cover 33 installation back, can screw up spacing bolt 8 and make movable cover 33 fixed, prevent that whole device movable cover 33 from being rubbed off by thief hole lateral wall or other objects when using.

Further, two sides of the sampling box 31 are respectively provided with an observation glass window 9. Through setting up like this, can look over the soil sample that sample box 31 was taken through observation glass window 9 how much, can also set up the scale mark on observation glass window 9 in addition and be used for weighing how much of the soil sample in sample box 31. The sampling box 31 can also be made of transparent material, thereby increasing the practicability of the whole device.

Further, the upper end of the main rod 1 is connected with a lifting handle 10, and the lifting handle 10 is provided with anti-skid holding grains. Through the arrangement, when soil is taken, a worker only needs to hold the lifting handle 10 and pull the whole device upwards to take the soil, and the anti-skidding holding lines can prevent the whole device from falling off the hand when the device is used.

Further, the scraper 32 is arranged in a manner that the edge of the scraper is inclined outwards, and the scraper 32 is provided with a scraper 32 sleeve. Through setting up like this, be convenient for scraper 32 scrapes the soil on the sampling hole lateral wall and get to can install scraper 32 cover on scraper 32 after the use, avoid scraper 32 to cause the injury to other objects or staff. It should be noted that, the sampling hole is realized for current drilling equipment to bore the deep hole to ground soil sampling point, and the diameter of sampling hole should be greater than this embodiment sampling device's width to whole device smoothly gets into in the sampling hole.

The utility model discloses when using, adopt following step:

1) selecting a proper number of extension rods 2 to be assembled with the main rod 1 according to requirements, and extending the whole device into a sampling hole which is punched in advance;

2) when the specified depth is reached, the whole device is pulled upwards by holding the pull handle 10 by hand, and the scraper 32 is tightly attached to the inner wall of the sampling hole, and in the process of pulling upwards, the scraper 32 scrapes soil on the inner wall of the sampling hole and drops the soil into the sampling box 31;

3) after taking the soil sample, loosen the spacing bolt 8, upwards slide and shift out movable cover 33, can separate movable cover 33 and sample box 31, the convenient soil sample of taking out in the sample box 31.

Claims

1. The utility model provides a hydraulic engineering ground soil experiment sampling device which characterized in that: including mobile jib (1), from last to having connected gradually a plurality of extension rod (2) down on mobile jib (1), every all be provided with on extension rod (2) and get native part (3), get native part (3) including sampling box (31), scraper (32) and set up at the movable cover (33) at sampling box (31) top, scraper (32) are fixed to be set up in the open-ended edge at sampling box (31) top, movable cover (33) and extension rod (2) swing joint.

2. The hydraulic engineering foundation soil experiment sampling device of claim 1, characterized in that: the middle position of extension rod (2) upper end is provided with threaded rod (4), and the middle position of extension rod (2) lower extreme and the middle position of mobile jib (1) lower extreme are provided with screw hole (12) with threaded rod (4) assorted, pass through threaded rod (4) threaded connection between extension rod (2) and mobile jib (1) and between extension rod (2) and extension rod (2).

3. The hydraulic engineering foundation soil experiment sampling device of claim 1 or 2, characterized in that: the top of sampling box (31) is fixed on extension rod (2) and is provided with PMKD (5), and one side of keeping away from extension rod (2) on PMKD (5) is fixed and is provided with guide block (6), and one side of activity cover (33) is provided with spout (11) with guide block (6) assorted, activity cover (33) and guide block (6) sliding fit.

4. The hydraulic engineering foundation soil experiment sampling device of claim 3, characterized in that: one side of the guide block (6) far away from the fixed bottom plate (5) is fixedly provided with a fixed top plate (7), two sides of the fixed top plate (7) corresponding to the position of the guide block (6) are respectively provided with a limit bolt (8), two sides of the sliding groove (11) on the movable cover (33) are respectively provided with a threaded hole II (13) matched with the limit bolt (8), and the movable cover (33) is in threaded connection with the limit bolt (8).

5. The hydraulic engineering foundation soil experiment sampling device of claim 1, characterized in that: and observation glass windows (9) are respectively arranged on two sides of the sampling box (31).

6. The hydraulic engineering foundation soil experiment sampling device of claim 1, characterized in that: the upper end of the main rod (1) is connected with a lifting handle (10), and anti-skidding holding grains are arranged on the lifting handle (10).

7. The hydraulic engineering foundation soil experiment sampling device of claim 1, characterized in that: the scraper (32) is arranged with a blade inclined outwards, and the scraper (32) is provided with a scraper sleeve.