CN210513750U

CN210513750U - River course lower floor silt sampling device

Info

Publication number: CN210513750U
Application number: CN201920748459.8U
Authority: CN
Inventors: 王春红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-19
Filing date: 2019-05-19
Publication date: 2020-05-12
Anticipated expiration: 2029-05-19

Abstract

The utility model relates to a river course lower floor silt sampling device, including the sampling cylinder, be equipped with the through-hole in the middle of leaking hopper-shaped diapire, be equipped with the closed post in the through-hole, upper portion is equipped with the pressure disk in the sampling cylinder, be equipped with the sample inlet on the sampling cylinder, the pressure disk top is fixed with presses the cover, it has the support cover to press cover pot head, it is equipped with the control lever in the cover to support, it is fixed with clamp plate one to support the cover, be equipped with direction blind hole one on the inside wall of left side clamp plate one, be equipped with locating pin one in the direction blind hole one, it seals location blind hole one to press to be equipped with on the cover, the top left side of pressing the cover is fixed with clamp plate. The utility model discloses a set up the conical closed column that can pack up and release at the mud inlet on the basis that does not influence the collection silt sample, can completely cut off river bottom top layer silt and get into the sampling cylinder to can seal the import after the sampling, prevent the in-process roll-off of silt at the mentioning.

Description

River course lower floor silt sampling device

Technical Field

The utility model belongs to the technical field of the water conservancy sampling, concretely relates to river course lower floor silt sampling device.

Background

River course is maintained and is hydraulic engineering's daily work, and it is very important to the detection of quality of water and river bottom silt in the river course maintenance work, and this is that it has or not pollute to judge the river course, need not carry out the basis of administering, because sampling device is lower part open type in river bottom lower floor's silt sampling process at present, can sneak into the silt on river bottom top layer, cause and detect inaccurately to inside silt slides out very easily when upwards proposing the sample thief, cause and propose the sample less.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a river course lower floor silt sampling device solves present sampling device and can sneak into top layer silt, causes to detect inaccurately to the problem of the easy roll-off of silt when proposing sampling device.

The utility model discloses a river course lower floor silt sampling device, including the sampling cylinder, the top of sampling cylinder is open type, the sampling cylinder is cylindrical, the top threaded connection of sampling cylinder has the apron, conveniently assemble and clean inside, the bottom of sampling cylinder is the toper, the inside bottom wall of sampling cylinder is hourglass hopper-shaped, conveniently arrange silt to the greatest extent, be equipped with the through-hole in the middle of the hourglass hopper-shaped bottom wall, the through-hole can get into and discharge silt, be equipped with closed column in the through-hole, closed column is cylindrical, closed column's bottom is the toper, closed column's bottom tapering equals the bottom tapering of sampling cylinder, can be better transition links up, upper portion is equipped with the pressure disk in the sampling cylinder, the pressure disk is cylindrical, the bottom of pressure disk is the circular conical surface with the bottom wall complex in the sampling cylinder, the bottom of pressure disk can hug closely on the inside bottom wall of sampling cylinder, be equipped with into the appearance hole, the side edge of the pressure plate can seal the sample inlet hole, a pressure sleeve is fixed in the middle of the top of the pressure plate, the top of the pressure sleeve penetrates through the cover plate, a support sleeve is sleeved at the upper end of the pressure sleeve, the bottom of the support sleeve is fixed with the cover plate, a control rod is arranged in an inner hole of the support sleeve, the bottom of the control rod penetrates through the pressure plate and is fixed with the top of the sealing column, first pressure plates are fixed on two sides of the top of the support sleeve, a gap is reserved between the inner side wall of the first pressure plate and the outer wall of the pressure sleeve, a first guide blind hole is arranged on the inner side wall of the first left pressure plate, a first positioning pin is arranged in the first guide blind hole, a first deflector rod is arranged in the first guide blind hole, the bottom of the deflector rod is fixed with the first positioning pin, a first sealing positioning blind hole matched with the first positioning pin is arranged on the side wall of the pressure, a second positioning pin is arranged in the second guide blind hole, a second opening is formed in the top of the second guide blind hole, a second deflector rod is arranged in the second opening, the bottom of the second deflector rod is fixed with the second positioning pin, and a second closed positioning blind hole matched with the second positioning pin is formed in the side wall of the control rod.

The top of the control rod is fixed with a pressing block, so that the control rod is convenient to lift and press.

Be equipped with on the lateral wall of pressure cover with locating pin complex sampling location blind hole one, sampling location blind hole one is in and seals under the location blind hole one, after locating pin one inserts in the sampling location blind hole one, the top and the apron contact of pressure disk, advance the appearance hole and open, after locating pin one inserts and seals in the location blind hole one, the pressure disk lateral wall seals advances the appearance hole, be equipped with on the lateral wall of control lever with two complex sampling location blind holes two of locating pin, sampling location blind hole two is under sealing location blind hole two, after locating pin two inserts in the sampling location blind hole one, there is the interval between the bottom of sealing the post and the through-hole top, silt can follow the bottom and get into the sampling section of thick bamboo.

The top outside of cartridge forms annular concave station, and the bottom outside of apron forms the annular arch with annular concave station threaded connection.

Compared with the prior art, the utility model has the advantages of:

the conical closed column capable of being retracted and pushed out through the sludge inlet can isolate the sludge on the surface layer of the river bottom from entering the sampling cylinder on the basis of not influencing the collected sludge sample, can seal the inlet after sampling, prevents the sludge from sliding out in the lifting process, and discharges the sludge more completely through pressing plates during discharging the sludge.

Drawings

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

FIG. 2 is a schematic diagram of a cartridge in sampling;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

FIG. 5 is an enlarged view of the structure at C in FIG. 1;

FIG. 6 is a right side view of the first pressing plate;

in the figure: 1. the sampling device comprises a pressing block, 2, a second pressing plate, 3, a control rod, 4, a second sampling positioning blind hole, 5, a pressing sleeve, 6, a first positioning pin, 7, a supporting sleeve, 8, a cover plate, 9, a sampling cylinder, 10, a pressing plate, 11, a through hole, 12, a sealing column, 13, a first sampling positioning blind hole, 14, a first pressing plate, 15, a first guiding blind hole, 16, a first opening, 17, a second driving lever, 18, a second opening, 19, a second guiding blind hole, 20, a second sealing positioning blind hole, 21, a second positioning pin, 22, a first sealing positioning blind hole, 23, a sample inlet hole, 24 and a first driving lever.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The river course lower layer sludge sampling device shown in fig. 1 to 6 comprises a sampling cylinder 9, the top of the sampling cylinder 9 is open, the top of the sampling cylinder 9 is in threaded connection with a cover plate 8, the bottom of the sampling cylinder 9 is conical, the bottom wall inside the sampling cylinder 9 is funnel-shaped, a through hole 11 is formed in the middle of the funnel-shaped bottom wall, a closed column 12 is arranged in the through hole 11, the bottom of the closed column 12 is conical, a pressure plate 10 is arranged at the upper part inside the sampling cylinder 9, the bottom of the pressure plate 10 is a conical surface matched with the bottom wall inside the sampling cylinder 9, a sample inlet hole 23 is formed in the side wall of the upper end of the sampling cylinder 9, a pressure sleeve 5 is fixed in the middle of the top of the pressure plate 10, the top of the pressure sleeve 5 penetrates through the cover plate 8, a support sleeve 7 is sleeved on the upper end of the pressure plate 5, the bottom of the support sleeve 7 is fixed with the cover plate 8, the two sides of the top of the support sleeve 7 are fixedly provided with a first pressing plate 14, the inner side wall of the first pressing plate 14 on the left side is provided with a first guiding blind hole 15, a first positioning pin 6 is arranged in the first guiding blind hole 15, the top of the first guiding blind hole 15 is provided with a first opening 16, a first shifting rod 24 is arranged in the first opening 16, the bottom of the first shifting rod 24 is fixed with the first positioning pin 6, the side wall of the pressing sleeve 5 is provided with a first closed positioning blind hole 22 matched with the first positioning pin 6, the left side of the top of the pressing sleeve 5 is fixedly provided with a second pressing plate 2, the inner side wall of the second pressing plate 2 is provided with a second guiding blind hole 19, a second positioning pin 21 is arranged in the second guiding blind hole 19, the top of the second guiding blind hole 19 is provided with a second opening 18, a second shifting rod 17 is. Wherein, fig. 1 is a structural state diagram when a sampling device is inserted and lifted to the bottom of a river channel, and fig. 2 is a structural state diagram when a sampling cylinder is used for sampling.

The top of the control rod 3 is fixed with a pressing block 1. Can set up an annular groove in the bottom of cartridge, the annular groove is in the outside of through-hole, is equipped with the screw thread in the annular groove, can twist in the annular groove at the sampling bottle top when the discharge silt, perhaps the open-ended internal diameter of sampling bottle is the same with the external diameter of cartridge, and has used a cooperation.

The side wall of the pressing sleeve 5 is provided with a first sampling positioning blind hole 13 matched with the first positioning pin 6, the first sampling positioning blind hole 13 is located under the first closed positioning blind hole 22, the side wall of the control rod 3 is provided with a second sampling positioning blind hole 4 matched with the second positioning pin 21, and the second sampling positioning blind hole 4 is located under the second closed positioning blind hole 20.

An annular concave table is formed on the outer side of the top of the sampling cylinder 9, and an annular bulge in threaded connection with the annular concave table is formed on the outer side of the bottom of the cover plate 8.

When the sampling device is used, the first shifting lever and the second shifting lever are pulled leftwards, the pressing sleeve and the control rod are moved, the first shifting lever and the second shifting lever are pushed rightwards, the first positioning pin is clamped into the first closed positioning blind hole, the second positioning pin is inserted into the second closed positioning blind hole, the state shown in figure 1 is presented, the first pressing rod is held by a hand, the sampling cylinder extends into river water, the first pressing rod is pressed downwards by the hand, the sampling cylinder penetrates through the surface layer of silt at the bottom of a river channel along with the pressing downwards and extends into the lower layer of the silt, the first shifting lever can be pulled leftwards after the lower layer of the silt is reached, the second pressing rod is lifted upwards, the first positioning pin is aligned with the first sampling positioning blind hole, the first shifting lever is pushed rightwards, the first sampling positioning pin is inserted into the first sampling positioning blind hole, a sample inlet hole is opened, the second shifting lever is, make locating pin two insert in sampling location blind hole two, at this moment, there is the interval between closed bottom of the post portion and the through-hole top, then press down and rotatory clamp plate one, silt can follow in through-hole and the inlet hole gets into the sampling cylinder, after the sampling is accomplished, pulling driving lever two left, then press the briquetting downwards, make locating pin two aim at closed location blind hole two, then stir driving lever two right, make locating pin two insert in the closed location blind hole two, at this moment, the closed post seals the through-hole, then stimulate driving lever one left, press the depression bar two downwards, make locating pin one card go into in the closed location blind hole one, at this moment, the pressure disk seals the inlet hole, then upwards promote depression bar one, put out silt and river to the sampling device, before putting out the river, can rock this device, wash the outside silt of sampling cylinder. After proposing sampling device, can aim at the bottleneck of sampling bottle to the bottom of through-hole one, sampling bottle bottleneck diameter is greater than the through-hole diameter, then stimulate driving lever two left, make locating pin two remove the location restriction, then upwards stimulate to press the briquetting to make and seal capital portion and pressure disk contact, silt flows into in the sampling bottle from the through-hole at this moment, then stimulate driving lever one left, remove the location restriction of locating pin one, then press down clamp plate two and control lever two, the pressure disk is with sealing the post simultaneously downstream to silt extrusion sampling cylinder like this, after the pressure disk bottom contacts with the bottom wall in the sampling cylinder, continue to push down the control lever, also extrude silt in the through-hole, accomplish silt discharge sampling cylinder.

To sum up, the utility model discloses a set up the awl type closed column that can pack up and release at the mud inlet on the basis that does not influence the collection silt sample, can completely cut off river bottom top layer silt and get into the sampling cylinder to can seal the import after the sampling, prevent the in-process roll-off of silt at the in-process of mentioning, extrude downwards through the pressure disk during discharge silt in addition, discharge silt is cleaner.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims

1. The utility model provides a river course lower floor silt sampling device, includes cartridge (9), its characterized in that: the top of a sampling cylinder (9) is open, the top of the sampling cylinder (9) is in threaded connection with a cover plate (8), the bottom of the sampling cylinder (9) is conical, the inner bottom wall of the sampling cylinder (9) is funnel-shaped, a through hole (11) is formed in the middle of the funnel-shaped bottom wall, a closed column (12) is arranged in the through hole (11), the bottom of the closed column (12) is conical, a pressure plate (10) is arranged at the inner upper part of the sampling cylinder (9), the bottom of the pressure plate (10) is a conical surface matched with the inner bottom wall of the sampling cylinder (9), a sample inlet hole (23) is formed in the side wall of the upper end of the sampling cylinder (9), a pressure sleeve (5) is fixed in the middle of the top of the pressure plate (10), the cover plate (8) penetrates through the top of the pressure sleeve (5), a support sleeve (7) is sleeved at the upper end of the pressure sleeve (5), the bottom of the support sleeve (7) is fixed with the cover plate (8), a control rod (3), the two sides of the top of the support sleeve (7) are fixedly provided with a first pressing plate (14), the inner side wall of the first pressing plate (14) on the left side is provided with a first guiding blind hole (15), the first guiding blind hole (15) is internally provided with a first positioning pin (6), the top of the first guiding blind hole (15) is provided with a first opening (16), the first opening (16) is internally provided with a first driving lever (24), the bottom of the first driving lever (24) is fixed with the first positioning pin (6), the side wall of the pressing sleeve (5) is provided with a first closed positioning blind hole (22) matched with the first positioning pin (6), the left side of the top of the pressing sleeve (5) is fixedly provided with a second pressing plate (2), the inner side wall of the second pressing plate (2) is provided with a second guiding blind hole (19), the second positioning pin (21) is arranged in the second guiding blind hole (19), the top of the second guiding blind hole (19) is provided with, and a second closed positioning blind hole (20) matched with the second positioning pin (21) is formed in the side wall of the control rod (3).

2. The device for sampling sludge in the lower layer of a river channel of claim 1, wherein: the top of the control rod (3) is fixed with a pressing block (1).

3. The device for sampling sludge in the lower layer of a river channel of claim 2, wherein: the lateral wall of the pressing sleeve (5) is provided with a first sampling positioning blind hole (13) matched with the first positioning pin (6), the first sampling positioning blind hole (13) is located under the first closed positioning blind hole (22), the lateral wall of the control rod (3) is provided with a second sampling positioning blind hole (4) matched with the second positioning pin (21), and the second sampling positioning blind hole (4) is located under the second closed positioning blind hole (20).

4. The device for sampling sludge in the lower layer of a river channel of claim 1, wherein: the outer side of the top of the sampling cylinder (9) forms an annular concave table, and the outer side of the bottom of the cover plate (8) forms an annular bulge in threaded connection with the annular concave table.