CN219798835U - Sediment sampling device for hydraulic engineering - Google Patents

Abstract

The utility model belongs to the technical field of sediment sampling, in particular to a sediment sampling device for hydraulic engineering, which aims at the problems that a hollowed-out counterweight cover in the existing sediment sampling device for hydraulic engineering falls onto sediment at the bottom and generally only stays on the surface of the sediment, the contact surface with the sediment is small, the contact is incomplete, the extracted main body is water, and the sampling effect on the sediment is poor.

Description

Sediment sampling device for hydraulic engineering

Technical Field

The utility model relates to the technical field of sediment sampling, in particular to a sediment sampling device for hydraulic engineering.

Background

The hydraulic engineering is a built engineering for controlling and preparing surface water and underground water in nature to achieve the aim of removing harm and benefiting, and sediment samples are needed to be sampled for a destination section in the construction process of the hydraulic engineering, so that sediment tests are of great significance in many aspects of human economic activities. The traditional hydraulic engineering sediment sampling device has inconvenient movable sampling, low accuracy, easy influence of water flow and weather on the sampling position, and unchangeable depth of the sampling position;

the patent document of publication number CN209878399U discloses a silt sampling device for hydraulic engineering, the utility model discloses including the automobile body and be located the removal wheel of its lower extreme, the automobile body top is equipped with the backup pad that can horizontal displacement, the left end of backup pad is fixed with the regulation frame, be equipped with guide bar and screw rod in the regulation frame, the guide bar, the outside of screw rod overlaps jointly and is equipped with the connecting seat, the connecting seat supports through the drive shaft has the rolling dish, the rolling dish outside is equipped with the coiling groove of being convenient for twine sand suction pipe, the one end of sand suction pipe is connected with fretwork counter weight cover, the other end is connected with the outer tube, the inside inner tube that is equipped with of automobile body, sand suction device, sand discharge pipe and inner support. According to the utility model, when sampling is needed, the driving roller drives the supporting plate to horizontally move, the adjusting frame moves to the water surface, the driving shaft drives the rolling disc to rotate, the sand sucking pipe continuously enters the water body under the guidance of the hollow counterweight cover, and the outer pipe and the inner pipe are connected in a sealing manner after reaching the water bottom, so that the sand sucking device can be started to suck sand for sampling; the diameter of the winding disc is larger, and extrusion of the sand suction tube can be avoided by matching with the winding groove;

however, the hollow counterweight cover in the patent document falls onto the sediment at the bottom of the water, generally only stays on the surface of the sediment, has small contact surface with the sediment, and is incomplete in contact, so that the extracted main body is water, and the sediment extraction and sampling effects are poor.

Disclosure of Invention

The utility model aims to solve the defects that a hollowed-out counterweight cover in the existing sediment sampling device for hydraulic engineering falls onto sediment at the bottom of water, generally only stays on the surface of the sediment, has small contact surface with the sediment and incomplete contact, so that a main body extracted is water and the sediment extraction sampling effect is poor.

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

the utility model provides a silt sampling device for hydraulic engineering, includes sand sucking pipe and fretwork counter weight cover, the bottom of sand sucking pipe is connected with the casing, has seted up the sediment transport chamber in the casing, and the bottom of sand sucking pipe is put through with the sediment transport chamber, and fretwork counter weight cover sets up in the bottom of casing, and fretwork counter weight cover and sediment transport chamber switch-on, are provided with on the casing and bury sand mechanism, bury sand mechanism and fretwork counter weight cover and cooperate.

Preferably, the sand burying mechanism comprises a connecting column fixedly connected with the bottom of the shell, a first rotating hole is formed in the connecting column, a first rotating rod is rotatably installed in the first rotating hole, and a rotating connecting seat is fixedly connected with the bottom end of the first rotating rod.

Preferably, the bottom fixedly connected with of swivelling joint seat digs the sand wheel, digs the bottom fixedly connected with toper balancing weight of sand wheel, carries out counter weight and stable straightness that hangs down to digging the sand wheel through the toper balancing weight.

Preferably, the transmission cavity is arranged in the shell, one side, close to each other, of the transmission cavity and the sand conveying cavity is provided with the same second rotating hole, a second rotating rod is rotatably arranged in the second rotating hole, one end of the second rotating rod is rotatably connected with one side inner wall of the sand conveying cavity, a fan impeller is fixedly sleeved on the outer side of the second rotating rod, a groove is formed in one side inner wall of the sand conveying cavity and is matched with the fan impeller, and the fan impeller can drive the second rotating rod to rotate.

Preferably, one end of the second rotating rod extends into the transmission cavity and is fixedly connected with a worm, the top end of the first rotating rod extends into the transmission cavity and is fixedly connected with a worm wheel, the worm wheel is meshed with the worm, and the worm can drive the worm wheel to rotate and reduce the speed.

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

1. according to the technical scheme, the sand suction pipe is mainly used for sucking sand through taking water as a carrier, so that the fan impeller can be driven to rotate through the movement of fluid when the sand is sucked, and mechanical energy is generated;

2. according to the scheme, the worm is matched with the worm wheel, the first rotating rod is matched with the rotating connecting seat, the sand digging wheel and the conical balancing weight, so that the sand digging wheel can be driven to rotate when absorbing the sand, the sand at the bottom can be effectively driven through the sand digging wheel, the hollow balancing weight cover can gradually sink into the sand and is surrounded by the sand, and the sand can be effectively collected;

according to the utility model, the sand at the water bottom can be effectively tunneled through the sand-tunneling wheel, so that the hollow counterweight cover can gradually subside into the sand and be surrounded by the sand, and the sand can be effectively collected.

Drawings

FIG. 1 is a schematic structural view of a sediment sampling device for hydraulic engineering according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a sediment sampling device for hydraulic engineering according to the present utility model;

fig. 3 is a schematic perspective view of a vane wheel of a sediment sampling device for hydraulic engineering according to the present utility model.

In the figure: 1. a sand sucking pipe; 2. hollow counterweight cover; 3. a housing; 4. a sand conveying cavity; 5. a connecting column; 6. a first rotating lever; 7. rotating the connecting seat; 8. a sand digging wheel; 9. conical balancing weight; 10. a transmission cavity; 11. a second rotating lever; 12. a fan impeller; 13. a groove; 14. a worm; 15. a worm wheel.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.

Example 1

Referring to fig. 1-2, a sediment sampling device for hydraulic engineering comprises a sand suction pipe 1 and a hollow counterweight cover 2, wherein the bottom end of the sand suction pipe 1 is connected with a shell 3, a sand conveying cavity 4 is arranged in the shell 3, the bottom end of the sand suction pipe 1 is communicated with the sand conveying cavity 4, the hollow counterweight cover 2 is arranged at the bottom of the shell 3, the hollow counterweight cover 2 is communicated with the sand conveying cavity 4, a sand burying mechanism is arranged on the shell 3, and the sand burying mechanism is matched with the hollow counterweight cover 2; the sand mechanism comprises a connecting column 5 fixedly connected with the bottom of the shell 3 through welding, a first rotating hole is formed in the connecting column 5, a first rotating rod 6 is rotatably installed in the first rotating hole, and a rotating connecting seat 7 is fixedly connected to the bottom end of the first rotating rod 6 through welding.

Referring to fig. 2-3, the bottom of the rotary connecting seat 7 is fixedly connected with a sand digging wheel 8 through welding, the bottom of the sand digging wheel 8 is fixedly connected with a conical balancing weight 9 through welding, and the sand digging wheel 8 is subjected to weight balancing and stable verticality through the conical balancing weight 9; the shell 3 is internally provided with a transmission cavity 10, one side, close to each other, of the transmission cavity 10 and the sand conveying cavity 4 is provided with the same second rotary hole, a second rotary rod 11 is rotatably arranged in the second rotary hole, one end of the second rotary rod 11 is rotatably connected with one side inner wall of the sand conveying cavity 4, the outer side of the second rotary rod 11 is fixedly sleeved with a fan impeller 12 through welding, one side inner wall of the sand conveying cavity 4 is provided with a groove 13, the groove 13 is matched with the fan impeller 12, and the fan impeller 12 can drive the second rotary rod 11 to rotate; one end of the second rotary rod 11 extends into the transmission cavity 10 and is fixedly connected with a worm 14 through welding, the top end of the first rotary rod 6 extends into the transmission cavity 10 and is fixedly connected with a worm wheel 15 through welding, the worm wheel 15 is meshed with the worm 14, and the worm 14 can drive the worm wheel 15 to rotate and reduce the speed.

In this embodiment, when using, when the sand sucking pipe 1 draws silt, mainly be through water as the carrier and draw, and then can drive fan impeller 12 through fluidic motion when making to draw silt and rotate, thereby produce mechanical energy, make fan impeller 12 drive second rotary rod 11 rotation, second rotary rod 11 drive worm 14 rotation, worm 14 drives worm wheel 15 rotation and reduces speed and promote torsion, worm wheel 15 drives first rotary rod 6 rotation, first rotary rod 6 drives swivelling joint seat 7 and digs sand wheel 8 rotation, dig sand wheel 8 and carry out counter weight and stable straightness that hangs down to dig sand wheel 8 through rotating, then make fretwork counter weight cover 2 can be gradually subsided in the silt, by the silt surrounding, thereby can effectually carry out the extraction to the silt.

Example two

The difference from the first embodiment is that: the screw thread mounting groove has been seted up to the bottom of casing 3, and the top of fretwork counter weight cover 2 is provided with threaded connection spare, and threaded connection spare cooperatees with the screw thread mounting groove for fretwork counter weight cover 2 is convenient for dismantle clearance or change.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.

Claims (5)

1. Sediment sampling device for hydraulic engineering, including inhale sand pipe (1) and fretwork counter weight cover (2), its characterized in that, the bottom of inhaling sand pipe (1) is connected with casing (3), has seted up sand conveying chamber (4) in casing (3), and the bottom of inhaling sand pipe (1) is put through with sand conveying chamber (4), and fretwork counter weight cover (2) set up in the bottom of casing (3), and fretwork counter weight cover (2) are put through with sand conveying chamber (4), are provided with on casing (3) and bury sand mechanism, bury sand mechanism and fretwork counter weight cover (2) and cooperate.

2. The sediment sampling device for hydraulic engineering according to claim 1, wherein the sediment burying mechanism comprises a connecting column (5) fixedly connected with the bottom of the shell (3), a first rotating hole is formed in the connecting column (5), a first rotating rod (6) is rotatably installed in the first rotating hole, and a rotating connecting seat (7) is fixedly connected with the bottom end of the first rotating rod (6).

3. The sediment sampling device for hydraulic engineering according to claim 2, wherein the bottom of the rotary connecting seat (7) is fixedly connected with a sand digging wheel (8), and the bottom of the sand digging wheel (8) is fixedly connected with a conical balancing weight (9).

4. A sediment sampling device for hydraulic engineering according to claim 3, characterized in that, offer transmission chamber (10) in casing (3), same second rotatory hole has been offered to one side that transmission chamber (10) and sediment transport chamber (4) are close to each other, second rotary rod (11) is installed in the rotation of second rotatory downthehole, one end and the one side inner wall rotation of sediment transport chamber (4) of second rotary rod (11) are connected, and the outside fixed cover of second rotary rod (11) is equipped with fan impeller (12), offer recess (13) on the one side inner wall of sediment transport chamber (4), recess (13) cooperate with fan impeller (12).

5. The sediment sampling device for hydraulic engineering according to claim 4, wherein one end of the second rotating rod (11) extends into the transmission cavity (10) and is fixedly connected with a worm (14), the top end of the first rotating rod (6) extends into the transmission cavity (10) and is fixedly connected with a worm wheel (15), and the worm wheel (15) is meshed with the worm (14).