CN215677692U

CN215677692U - Slurry sampling device

Info

Publication number: CN215677692U
Application number: CN202122091444.9U
Authority: CN
Inventors: 郑真平; 谢冬兵
Original assignee: Guangdong Jinwei Foundation Engineering Co ltd
Current assignee: Guangdong Jinwei Foundation Engineering Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-28
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of slurry sampling, in particular to a slurry sampling device which comprises a sampling cylinder body, wherein a sampling cylinder inner cylinder is arranged inside the sampling cylinder body, one end of the sampling cylinder inner cylinder is fixedly connected with a sampling arm rod, one end of the sampling arm rod is rotatably connected with a sampling support, a pull rod is movably connected inside the sampling arm rod, one end of the pull rod is fixedly provided with a rubber mat, and the other end of the pull rod is fixedly provided with a handle rod; according to the sampling device, the sampling cylinder body is inserted into slurry to be sampled through the sampling support, the sampling arm rod is rotated, the sampling arm rod drives the sampling cylinder inner cylinder to rotate, the sampling ports at the bottoms of the cylinder body and the sampling cylinder inner cylinder are overlapped, the slurry is sampled through the overlapped sampling ports, the sampling device can be adjusted according to the sampling depth, the sampling depth can be adjusted, the influence of shallow slurry on sampling is avoided, and the sampling accuracy is improved.

Description

Slurry sampling device

Technical Field

The utility model relates to the technical field of slurry sampling, in particular to a slurry sampling device.

Background

The mud dado is the common technique in the construction process of grooving and hole-forming of the cast-in-place pile for the underground continuous wall. The mud has good wall-fixing performance, is convenient for pouring concrete, has higher viscosity, can suspend the drilling slag, is convenient for slag discharge, and the drilling slag component in the mud is also an important basis for judging the lithological component of the bottom of the hole. Taking out the slurry sample in the borehole according to the regulations is an important work in the construction detection process. However, there are problems with existing mud sampling devices:

the existing mud sampling device is used for sampling from shallow to deep in the sampling process, the sampling depth can not be adjusted, shallow mud can easily interfere with deep mud sampling, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a mud sampling device.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a mud sampling device, includes the sampler barrel, the inside of sampler barrel is provided with the sampler barrel inner tube, the one end fixedly connected with sample arm pole of sampler barrel inner tube, the one end of sample arm pole is rotated and is connected with the sample holder, the inside swing joint of sample arm pole has the pull rod, the one end fixed mounting of pull rod has the cushion, the other end fixed mounting of pull rod has the handle bar, runs through the pull rod with the handle bar and is convenient for remove the pull rod manually.

Preferably, the sampling cylinder barrel comprises a base, a barrel body and a barrel cover, the base is fixedly connected with the barrel body, the barrel body and the barrel cover are fixedly installed through screws, a sealing ring is arranged between the barrel cover and the barrel body, the barrel body and the barrel cover are sealed through the sealing ring, and the phenomenon that a gap between the barrel body and the barrel cover when sampling is affected by sundries is avoided.

Preferably, the fixed slot with sampling tube inner tube looks adaptation is seted up to the inside of base, be provided with sealed the pad between base and the sampling tube inner tube, the sample connection has all been seted up to the bottom of stack shell and sampling tube inner tube, the notch with sample arm pole looks adaptation is seted up at the middle part of cover, be provided with the seal cover between cover and the sample arm pole, seal between cover and the sample arm pole through the seal cover, guarantee sampling process in sampling device's sealing performance.

Preferably, the size of sampling tube inner tube sample connection is greater than the size of stack shell sample connection, the internal diameter of stack shell is the same with the external diameter of sampling tube inner tube, the internal diameter of sampling tube inner tube and the diameter looks adaptation of cushion, through the removal of cushion to the inside negative pressure that forms of sampling tube inner tube, be convenient for take a sample, also can use the vacuum pump to form the negative pressure to the sampling tube inner tube through sealed armed lever.

Preferably, the inside of sample armed lever offer with the spout of pull rod looks adaptation, the notch with handle pole looks adaptation is seted up at the both ends of spout, the middle part of sample armed lever is provided with spacing dish, carries out the injecing of deepest size through spacing dish to sampling device's the sample degree of depth, guarantees the stability of sample.

Preferably, the bottom of spacing dish is provided with the connecting rod with sampler barrel fixed connection, the top of spacing dish and the bottom fixed connection of sample holder, the notch with sample armed lever looks adaptation is seted up at the middle part of spacing dish, connects sampler and sample holder through spacing dish, makes sample armed lever and sample holder separation.

Preferably, the sampling support is set to be a tripod, the middle part of the top end of the sampling support is provided with a connecting groove matched with the sampling arm rod, and the sampling arm rod is limited.

Preferably, one end of the pull rod is provided with a slotted hole matched with the handle rod, the top end of the rubber pad is provided with a connecting groove matched with the pull rod, the rubber pad is positioned inside the inner sampling tube cylinder, and the inner sampling tube cylinder is sealed through the rubber pad.

The utility model has the following advantages:

this mud sampling device, rotate the sample connection of stack shell and sampling tube inner tube bottom to different positions, make the sample connection of stack shell and sampling tube inner tube not produce alternately, make the sampling tube inner tube seal the sampling tube barrel, insert the sampling tube barrel through the sample support in the mud that needs the sample, rotate the sample arm pole, make the sample arm pole drive the sampling tube inner tube and rotate, make the sample connection of stack shell and sampling tube inner tube bottom coincide each other, sample through the sample connection of coincidence, and then can adjust sampling device according to the degree of depth of sample, can adjust the degree of depth of sample, avoid the influence of shallow mud to the sample, improve the accuracy of sample.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic view of a sampling arm according to the present invention;

FIG. 4 is a schematic cross-sectional view of a sampling arm according to the present invention.

In the figure: 1-a sampling cylinder body, 101-a base, 102-a cylinder body, 103-a cylinder cover, 2-a sampling cylinder inner cylinder, 3-a sampling arm rod, 4-a sampling support, 5-a pull rod, 6-a rubber mat, 7-a handle rod and 8-a limiting disc.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 4, the mud sampling device provided by the utility model comprises a sampling cylinder body 1, wherein a sampling cylinder inner cylinder 2 is arranged inside the sampling cylinder body 1, one end of the sampling cylinder inner cylinder 2 is fixedly connected with a sampling arm rod 3, one end of the sampling arm rod 3 is rotatably connected with a sampling support 4, a pull rod 5 is movably connected inside the sampling arm rod 3, one end of the pull rod 5 is fixedly provided with a rubber mat 6, the other end of the pull rod 5 is fixedly provided with a handle rod 7, and the handle rod 7 penetrates through the pull rod 5 so as to be convenient for manually moving the pull rod 5.

The sampling tube body 1 comprises a base 101, a tube body 102 and a tube cover 103, the base 101 is fixedly connected with the tube body 102, the tube body 102 and the tube cover 103 are fixedly installed through screws, a sealing ring is arranged between the tube cover 103 and the tube body 102, a fixing groove matched with the sampling tube inner tube 2 is arranged in the base 101, a sealing gasket is arranged between the base 101 and the sampling tube inner tube 2, sampling ports are respectively arranged at the bottoms of the tube body 102 and the sampling tube inner tube 2, a notch matched with the sampling arm rod 3 is arranged in the middle of the tube cover 103, a sealing sleeve is arranged between the tube cover 103 and the sampling arm rod 3, before sampling is carried out, the sampling arm rod 3 is rotated to stagger the positions of the sampling ports, a sampling device is inserted into the depth required to be sampled, the sampling arm rod 3 is rotated to coincide the positions of the sampling ports, the pulling rod 5 is pulled to drive the rubber gasket 6 to enable the interior of the sampling tube 2 to form negative pressure for sampling, rotate arm-lever 3 again after the sample is accomplished and stagger the position of sample connection, protect the mud of sample, take out sampling device.

The size of a sampling opening of the inner cylinder 2 of the sampling cylinder is larger than that of the sampling opening of the cylinder body 102, the inner diameter of the cylinder body 102 is the same as the outer diameter of the inner cylinder 2 of the sampling cylinder, the inner diameter of the inner cylinder 2 of the sampling cylinder is matched with the diameter of the rubber gasket 6, a sliding groove matched with the pull rod 5 is arranged in the sampling arm rod 3, two ends of the sliding groove are provided with notches matched with the handle rod 7, the middle part of the sampling arm rod 3 is provided with a limiting disc 8, the handle rod 7 is pulled to enable the handle rod 7 to transmit the pulling force to the pull rod 5, so that the pressure inside the inner cylinder 2 of the sampling tube is reduced when the pull rod 5 drives the rubber mat 6 to move the rubber mat 6, the slurry is pressed into the inner cylinder 2 of the sampling cylinder under the action of pressure difference, a fully sealed sampling arm rod can also be used, set up the air vent and be linked together with sampling barrel inner tube 2 in totally enclosed sampling arm pole inside, use vacuum pump and air vent connection to take out the inside air of sampling barrel inner tube 2 and form the vacuum and take a sample to mud.

The bottom of spacing dish 8 is provided with the connecting rod with 1 fixed connection of sampling tube barrel, the top of spacing dish 8 and the bottom fixed connection of sample holder 4, the notch with 3 looks adaptations of sample armed lever is seted up at the middle part of spacing dish 8, connect sampling tube and sample holder through spacing dish 8, make sample armed lever and sample holder separation, sample holder 4 sets up to the tripod, the spread groove with 3 looks adaptations of sample armed lever is seted up at the middle part on 4 tops of sample holder, connect sample holder 4 and sample armed lever 3, make sampling device form a body structure, can take the removal to sampling device through sample holder 4, be convenient for carry sampling device.

The slotted hole with 7 looks adaptations of handle bar is seted up to the one end of pull rod 5, and the spread groove with 5 looks adaptations of pull rod is seted up on the top of cushion 6, and cushion 6 is located the inside of sampler barrel inner tube 2, seals sampler barrel inner tube 2 through cushion 6.

The working process of the utility model is as follows: rotate the sample connection of stack shell 102 and sampling tube inner tube 2 bottom to different positions, make the sample connection of stack shell 102 and sampling tube inner tube 2 not produce alternately, make sampling tube inner tube 2 seal sampling tube barrel 1, insert the mud that needs the sample with sampling tube barrel 1 through sampling support 4, rotate sampling arm pole 3, make sampling arm pole 3 drive sampling tube inner tube 2 and rotate, make the sample connection of stack shell 102 and sampling tube inner tube 2 bottom coincide each other, sample to mud through the sample connection of coincidence, and then can adjust sampling device according to the degree of depth of sample, can adjust the degree of depth of sample, avoid the influence of shallow layer mud to the sample, improve the accuracy of sample.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mud sampling device which characterized in that: including sampler barrel (1), the inside of sampler barrel (1) is provided with sampler barrel inner tube (2), one end fixedly connected with sampling arm pole (3) of sampler barrel inner tube (2), the one end of sampling arm pole (3) is rotated and is connected with sample support (4), the inside swing joint of sampling arm pole (3) has pull rod (5), the one end fixed mounting of pull rod (5) has cushion (6), the other end fixed mounting of pull rod (5) has handle bar (7).

2. A slurry sampling apparatus according to claim 1, wherein: sampling tube barrel (1) includes base (101), stack shell (102) and cover (103), base (101) and stack shell (102) fixed connection, stack shell (102) and cover (103) pass through screw fixed mounting, be provided with the sealing ring between cover (103) and stack shell (102).

3. A slurry sampling apparatus according to claim 2, wherein: the sampling device is characterized in that a fixing groove matched with the sampling cylinder inner cylinder (2) is formed in the base (101), a sealing gasket is arranged between the base (101) and the sampling cylinder inner cylinder (2), sampling ports are formed in the bottoms of the cylinder body (102) and the sampling cylinder inner cylinder (2), a notch matched with the sampling arm rod (3) is formed in the middle of the cylinder cover (103), and a sealing sleeve is arranged between the cylinder cover (103) and the sampling arm rod (3).

4. A slurry sampling apparatus according to claim 3, wherein: the size of sampling tube inner tube (2) sample connection is greater than the size of stack shell (102) sample connection, the internal diameter of stack shell (102) is the same with the external diameter of sampling tube inner tube (2), the internal diameter of sampling tube inner tube (2) and the diameter looks adaptation of cushion (6).

5. A slurry sampling apparatus according to claim 1, wherein: the inside of sample armed lever (3) is seted up with the spout of pull rod (5) looks adaptation, the notch with handle pole (7) looks adaptation is seted up at the both ends of spout, the middle part of sample armed lever (3) is provided with spacing dish (8).

6. A mud sampling device according to claim 5, wherein: the bottom of spacing dish (8) is provided with the connecting rod with sampler barrel (1) fixed connection, the top of spacing dish (8) and the bottom fixed connection of sample support (4), the notch with sample armed lever (3) looks adaptation is seted up at the middle part of spacing dish (8).

7. A slurry sampling apparatus according to claim 1, wherein: the sampling support (4) is a tripod, and the middle of the top end of the sampling support (4) is provided with a connecting groove matched with the sampling arm rod (3).

8. A slurry sampling apparatus according to claim 1, wherein: the slotted hole of taking turns to with handle bar (7) looks adaptation is seted up to the one end of pull rod (5), the spread groove of taking turns to with pull rod (5) looks adaptation is seted up on the top of cushion (6), cushion (6) are located the inside of sampler barrel inner tube (2).