CN210803017U

CN210803017U - A groundwater sample collection device for engineering geology reconnaissance

Info

Publication number: CN210803017U
Application number: CN201921804411.0U
Authority: CN
Inventors: 王莱
Original assignee: 王莱
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-19
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to the technical field of groundwater quality testing equipment, in particular to an underground water sample sampling device for engineering geological exploration, which comprises a sampling device and a floating block, wherein the sampling device and the floating block comprise a balancing weight, a sampling barrel is fixedly arranged above the balancing weight, the lower half section of the sampling barrel is uniformly provided with seepage holes, a water retaining barrel is arranged in the sampling barrel, a first electric air pressure rod is connected above the water retaining barrel, the first electric air pressure rod and a cover plate are fixedly arranged, a sample barrel is fixedly arranged below the cover plate, a piston rod is arranged in the sample barrel, a second electric air pressure rod is fixedly arranged on the cover plate, the first electric air pressure rod is connected with the floating block through a scale rope, a water sample winding wheel is arranged in the floating block, the utility model can sample water samples, and greatly improves the accuracy of water samples of various water taking layers, the underground water sample of the demand degree of depth can be accurately extracted to convenient operation, has improved the accuracy of detecting the water sample.

Description

A groundwater sample collection device for engineering geology reconnaissance

Technical Field

The utility model relates to a groundwater water quality testing equipment technical field specifically is a groundwater sample collection device for engineering geology reconnaissance.

Background

Along with the development of economic technology in China, the development and utilization amount of underground water resources is increased rapidly, meanwhile, serious pollution is brought to the quality of underground water, the need of monitoring and prevention and control of the quality of the underground water is particularly increased, and the environment condition of the whole water area is analyzed by analyzing the quality condition of the underground water by adopting an underground water sample, so that the quality of the underground water is protected. However, the existing underground water sampling device generally has the problems that the sampling water depth is not accurately controlled, the sampled water sample is low in representativeness and contains more impurities, the operation device is difficult and the like, so that the judgment of workers on the underground water area and the water quality condition is influenced due to the fact that the result is not accurate enough during water quality detection; the development and the protection of underground water are influenced, and great inconvenience is brought to geological detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a groundwater sample collection device for engineering geology reconnaissance for improve the extraction water sample representativeness, the accurate groundwater sample who draws the different degree of depth guarantees the accuracy of depth of water size, makes things convenient for the operation of sampling personnel, improves the accuracy of water quality testing result.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an underground water sample collecting device for engineering geological exploration comprises a balancing weight, wherein a sampling barrel is fixedly mounted above the balancing weight, the lower half section of the sampling barrel is uniformly provided with seepage holes, a water blocking barrel is mounted in the sampling barrel, a first electric air pressure rod is movably connected above the water blocking barrel, the first electric air pressure rod and the water blocking barrel are fixed by bolts, the first electric air pressure rod and a cover plate are fixedly mounted, the cover plate is fixedly provided with the sample barrel, a piston rod is mounted in the sample barrel, a piston is mounted below the piston rod, a sealing ring is sleeved on the periphery of the piston, the top of the piston rod is movably connected with a second electric air pressure rod, the second electric air pressure rod is fixedly mounted on the cover plate, the middle part of the piston rod is communicated from top to bottom, the upper end of the piston rod is provided with a sealing bolt for sealing, a filter element is arranged in the sampling barrel, the filter core with the sample bucket links together by the filter head, the pellicle is equipped with to the filter head liam, first electronic atmospheric pressure pole links together through scale rope and kicking block.

Preferably, four air holes are uniformly formed in the cover plate, and every four air holes are uniformly distributed on the same circle to ensure that the air pressure of the device is balanced inside and outside.

Preferably, the upper end part of the piston rod is provided with a flange device with the diameter larger than the outer diameter of the rod, and the flange device can be fixedly connected with the second electric pneumatic rod.

Preferably, the sampling bucket with the apron adopts the bolt fastening, just the sampling bucket with the apron avris all has the otic placode that is used for connecting fixedly.

Preferably, the joint of the bottom end of the sample barrel and the filter head is in a step shape, so that the function of limiting the position of the filter head can be achieved.

Preferably, a clamping switch is installed at the position of the outlet of the floating block scale rope, so that the scale rope can be clamped conveniently to ensure the length of the scale rope.

Preferably, a reel is mounted in the float block, and the reel and the rotating handle are fixedly connected by a rotating shaft.

Preferably, the rotating handle is a foldable handle, the position of a crank of the rotating handle can be adjusted to be perpendicular to the rotating handle, and the length of the scale rope can be enlarged and reduced by rotating the rotating handle.

The beneficial effects of the utility model reside in that:

the device adopts the design of the sampling barrel and the water retaining barrel to more effectively control the water sample to enter and exit the sampling barrel, ensures that the sampling accuracy cannot be influenced by the change of underground water flow, and adopts the design of the electric air pressure rod to facilitate a sampling person to control the sampling device to sample, thereby greatly improving the representativeness of the sample; the piston type water absorption design of the sample barrel solves the problem that the water quantity is difficult to control when a water lifting pump or a pneumatic pump absorbs water, and can also ensure the sampling accuracy; the floating block type water depth positioning mechanism can enable the water taking device to accurately reach the specified depth for water taking, more accurately extract water samples under different water area conditions, and improve the accuracy of detection results.

Drawings

Fig. 1 is a schematic structural view of the water intake device of the present invention.

Fig. 2 is a front sectional view of the water intake device of the present invention.

Fig. 3 is an enlarged view of the internal structure of the water intake device of the present invention.

Fig. 4 is a top sectional view of the water intake device of the present invention.

Fig. 5 is a schematic view of the floating block structure of the present invention.

Fig. 6 is a front sectional view of the floating block of the present invention.

In the figure: 1 balancing weight, 2 water blocking barrels, 3 filter cores, 4 sampling barrels, 401 water seepage holes, 5 bolts, 6 first electric air pressure rods, 7 cover plates, 8 second electric air pressure rods, 9 piston rods, 10 sealing bolts, 11 air holes, 12 pistons, 13 sealing rings, 14 fixing bolts, 15 scale ropes, 16 floating blocks, 17 reels, 18 rotating handles, 1801 cranks, 19 clamping switches, 20 connecting rings, 21 filter heads, 22 semipermeable membranes and 23 sample barrels.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "above", "below", "upper end", "lower end", 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 and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1-6, an underground water sample collecting device for engineering geological exploration comprises a balancing weight 1, wherein the balancing weight 1 is mainly used for increasing the weight of a water taking device, so that the water taking device can descend to a specified water sample depth, and the balancing weight ensures that a floating block 16 drives the sampling device to float in water and the upper surface of the floating block 16 keeps a level state with the water surface while ensuring enough balance weight of the sampling device.

1 top fixed mounting of balancing weight has sampling bucket 4, can open fender cask 2 after the water intake device reachs appointed sample depth, and the water sample is reserve in the middle of entering into sampling bucket 4 because of sampling bucket 4 and external pressure differential, and 2 top swing joints of manger plate bucket have first electronic pneumatic rod 6, and its main action makes fender cask 2 slide from top to bottom in sampling bucket 4, and sampling bucket 4 and 2 cooperation forms of manger plate bucket are clearance fit, can guarantee the leakproofness of infiltration hole 401. The first electric pneumatic rod 6 is connected with the water blocking barrel 2 through a bolt 5, the first electric pneumatic rod 6 and the cover plate 7 are fixedly installed, and the fixed connection of the first electric pneumatic rod 6 and the cover plate 7 can be guaranteed in an interference fit mode.

The lower end of the cover plate 7 is fixedly connected with a sample barrel 23, the sample barrel 23 and the cover plate 7 can be integrated into a device, the device can be disassembled together with the cover plate 7 when being disassembled and assembled, so that impurities in the sampling barrel 4 can be cleaned conveniently, the cover plate 7 and the sampling barrel 4 are fixed at the position of a connecting lug plate through mounting bolts, a piston rod 9 is mounted in the sample barrel 23, the piston rod 9 is of a hollow structure, the upper end of the piston rod 9 is sealed by a sealing bolt 10, the sealing bolt 10 is opened after the sample barrel 23 takes the sample, the air pressure at two ends of the sample barrel 23 is the same due to the action of the air holes 11 on the cover plate 7, the sample is taken out from the sampling device, the air holes 11 are uniformly distributed on the cover plate 7, four air holes 11 are arranged on the same circle, a piston 12 is mounted below the piston rod 9, a sealing ring 13 is sleeved on the periphery of the piston 12, the sealing ring 13 can be adhered, the upper end of the piston rod 9 is fixedly provided with a flange device, and the second electric air pressure rod 8 is fixedly arranged on the cover plate 7 and fixed by bolts.

Install filter core 3 at sample bucket 23 lower extreme, filter core 3 and sample bucket 23 link together by filter head 21, and filter head 21 position is injectd for the echelonment to filter head 21 and sample bucket 23 junction sample bucket 23 kneck, and filter head 21 is installed with pellicle 22 in the ann, can use hexagon socket head wrench to screw off filter head 21 when pellicle 22 needs to be changed and change.

The first electric air pressure rod 6 is connected with a floating block 16 through a scale rope 15, a winding wheel 17 is installed in the floating block 16, the floating block 16 and the winding wheel 17 can both use low-density materials to ensure the floating performance, the winding wheel 17 and a rotating handle 18 are fixedly connected through a rotating shaft, a clamping switch 19 is installed at the outlet of the scale rope 15 of the floating block 16, the length of the scale rope 15 is locked by the clamping switch 19 after the scale rope 15 is adjusted to a proper length, the rotating handle 18 of the floating block 16 is in a folding form, the crank 1801 is opened and then is perpendicular to the rotating handle 18, and the crank 1801 is folded to the initial position for later use after the length of the scale rope 15 is adjusted.

The using method comprises the following steps:

when in use, the length of the scale rope 15 is adjusted, the scale rope 15 is clamped by the clamping switch 19, the crank 1801 on the rotating handle 18 is reset, the whole device is placed in a sampling well, the floating block 16 floats to the water surface and stops placing when the connecting rope on the floating block 16 is loosened, the first electric air pressure rod 6 is started to be switched on and switched off after underground water is stabilized, the water seepage hole 401 on the water retaining barrel 2 is opened, the underground water enters the sampling barrel 4 through the water seepage hole 401 due to pressure difference, and after the whole sampling barrel 4 is filled with water samples, after the water sample composition in the sampling barrel 4 is stabilized after standing for several minutes, the reverse operation switch of the first electric air pressure rod 6 is started, the water seepage hole 401 is closed by the water retaining barrel 2, the water sample is locked in the sampling barrel 4 for standby, after the water seepage hole 401 is completely closed, the sample barrel 23 is switched to the second electric air pressure rod 8 to suck the water sample, the sampling device is lifted out of the sampling well, and the sealing bolt 10 is opened to pour the water sample from the upper end of the piston rod 9.

In this regard, the terms "fixedly connected" and "fixedly mounted" are to be understood broadly and, unless otherwise specifically stated or limited, may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an underground water sample collection system for engineering geological survey which characterized in that: comprises a balancing weight (1), a sampling barrel (4) is fixedly arranged above the balancing weight (1), a seepage hole (401) is uniformly formed in the lower half section of the sampling barrel (4), a water blocking barrel (2) is arranged in the sampling barrel (4), a first electric air pressure rod (6) is movably connected above the water blocking barrel (2), the front end of the first electric air pressure rod (6) is fixedly connected with the water blocking barrel (2), the rear end of the first electric air pressure rod is fixedly connected with a cover plate (7), a sample barrel (23) is fixedly arranged at the lower end of the cover plate (7), a piston rod (9) is arranged in the sample barrel (23), a piston (12) is arranged below the piston rod (9), a sealing ring (13) is sleeved on the periphery of the piston (12), the top of the piston rod (9) is movably connected with a second electric air pressure rod (8), the second electric air pressure rod (8) is fixedly arranged at the upper side of the cover plate (7), the piston rod (9) is of a hollow structure, and a sealing bolt (10) is installed at the upper end of the piston rod (9); there is filter core (3) in sampling bucket (4), filter core (3) with sample bucket (23) link together by filter head (21), install pellicle (22) in filter head (21), first electronic atmospheric pressure pole (6) link together through scale rope (15) and floating block (16).

2. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 1, wherein: four air holes (11) are uniformly formed in the cover plate (7).

3. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 1, wherein: and the upper end part of the piston rod (9) is provided with a flange device with the diameter larger than the rod diameter.

4. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 1, wherein: sampling bucket (4) with apron (7) adopt the bolt fastening, just sampling bucket (4) with apron (7) avris all has the otic placode that is used for connecting fixedly.

5. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 1, wherein: the joint of the bottom end of the sample barrel (23) and the filter head (21) is in a step shape.

6. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 1, wherein: and a clamping switch (19) is arranged at the outlet of the calibration rope (15) in the floating block (16).

7. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 1, wherein: a reel (17) is installed in the floating block (16), and the reel (17) and the rotating handle (18) are fixedly connected through a rotating shaft.

8. An apparatus for sampling a groundwater sample for engineering geological exploration according to claim 7, wherein: the rotating handle (18) is a foldable handle, and the position of a crank (1801) of the rotating handle can be adjusted to be perpendicular to the rotating handle (18).