Sediment sampling device and sampling method

Abstract

The sediment sampling device comprises a material containing and supporting mechanism, the material containing and supporting mechanism comprises a bearing bottom plate, a lifting sampling mechanism is installed at the top of the material containing and supporting mechanism, and an inner groove supporting table is fixedly connected to the left side of the top of the bearing bottom plate; the front portion and the rear portion of an inner cavity of the inner groove supporting table are each fixedly connected with a side edge guide block. According to the sediment sampling device and the sampling method, the material containing supporting mechanism and the lifting sampling mechanism are used in a combined manner, and through the arrangement of the two mechanisms, the sampling box can be located at different positions and heights by utilizing the bearing cross frame and the lifting frame, so that sludge at different positions can be sampled; in addition, in the sampling process, the sampling box can be fixed through pushing of the transverse pull rod, meanwhile, the semicircular shovel frame is turned over to dig and store the materials, and the material containing box can be unlocked in the subsequent discharging process.

Description

Technical Field

[0001] The invention relates to the technical field of sediment sampling, in particular to a sediment sampling device and a sampling method. Background Art

[0002] The hydrological monitoring system is suitable for the hydrological department to conduct real-time monitoring of hydrological parameters such as rivers, lakes, reservoirs, channels and groundwater. When monitoring, it is necessary to sample the sediments at the bottom of the river for analysis. When sampling the sediments in the water flow, the existing sampling device can only obtain the sediments on the bottom surface of the water flow, and cannot sample the sediments at deeper levels. Patent documents have been issued to improve this.

[0003] For example, Chinese patent CN221506361U includes a winch and a sinking frame, the winch is provided with three spools, the three spools are respectively wound with a first pull line, a second pull line and a third pull line, a fixing frame is provided on the side of the sinking frame opposite to the winch, and a collecting box is provided on the inner side of the sinking frame. The present invention can ensure that the lower end of the sinking frame is in contact with the bottom of the water flow by the provided sinking frame and counterweight block, and by pulling the third pull line, the number of rotation circles of the lifting shaft can be controlled, thereby controlling the downward movement depth of the collecting box, thereby controlling the collection of sediments at different depths, and by providing the first pull line, after the sediment collection is completed, it is only necessary to reel in the first pull line to rotate the closing shaft, thereby controlling multiple closing plates to rotate 90 degrees, and closing the lower end of the collecting box to prevent the collected sediments from leaking out of the collecting box.

[0004] Although the equipment in the above document can sample sediment underwater, it cannot sample the silt at the bottom of the river, and most of the sediment is deposited at the bottom of the river, so the practicality of the equipment is low. At the same time, the equipment cannot remain stable when used underwater, which can easily affect sampling; Therefore, a sediment sampling device capable of sampling the bottom of a river channel is now designed to solve such defects. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a sediment sampling device and a sampling method, which solves the problem that the existing sampling equipment is unable to sample the silt at the bottom of the river.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a sediment sampling device, including a material holding support mechanism, the material holding support mechanism includes a load-bearing bottom plate, and a lifting sampling mechanism is installed on the top of the material holding support mechanism.

[0007] Preferably, the left side of the top of the load-bearing base plate is fixedly connected to an inner groove support platform, the front and rear parts of the inner cavity of the inner groove support platform are fixedly connected to side guide blocks, the lower part of the left side of the inner groove support platform is fixedly connected to a dehydration shaking box through an opening, the front and rear parts of the inner cavity of the dehydration shaking box are provided with trapezoidal slide grooves, a material holding box is provided on the inner side of the dehydration shaking box, the surface and rear part of the material holding box are fixedly connected with arc guide blocks used in conjunction with the trapezoidal slide grooves, the right side of the material holding box is fixedly connected to a vertical sliding frame, and a handle rod is slidably installed on the inner side of the vertical sliding frame.

[0008] Preferably, the front and rear sides of the top of the dehydration and shaking box are slidably installed with arc baffles through openings, a horizontal top plate is fixedly connected between the top ends of the two arc baffles, a drop port for use with a material holding box is opened on the left side of the top of the dehydration and shaking box, and a counterweight seat is fixedly installed on the right side of the top of the load-bearing bottom plate.

[0009] Preferably, the lifting sampling mechanism includes a load-bearing cross frame, and the load-bearing cross frame is located on the inner side of the inner groove support platform, the front and rear parts of the load-bearing cross frame are provided with side slots used in conjunction with side guide blocks, the left side of the inner cavity of the load-bearing cross frame is fixedly connected to a vertical guide sliding frame through a bracket, a lifting frame is slidably installed on the inner side of the vertical guide sliding frame, a positioning slot is provided on the right side of the lifting frame, and the bottom end of the lifting frame is fixedly connected to a sampling box through a fixing plate.

[0010] Preferably, the surface and the rear of the sampling box are fixedly connected to a circular box, the front and the rear of the inner cavity of the sampling box are rotatably connected to a rotating rod through a bearing member, a semicircular shovel frame is fixedly connected between the two rotating rods and located on the inner side of the sampling box, the opposite ends of the two rotating rods penetrate the sampling box and the circular box and extend to the interior of the adjacent circular box, the end of the rotating rod extending to the interior of the circular box is fixedly connected to a gear ring, the surface of the gear ring is meshed with a leather tooth belt, and both ends of the leather tooth belt extend to the top of the circular box.

[0011] Preferably, the top of the positioning slot is fixedly connected to an upper baffle plate, and the front and rear parts on both sides of the top of the upper baffle plate are slidably installed with rebound rods through openings, and the surface of the rebound rod and the upper part of the upper baffle plate are sleeved with a first spring, and the bottom ends of the upper baffle plates on both sides are respectively fixedly connected to the first cable and the second cable, and the surface and rear of the load-bearing cross frame are rotatably connected to the gear column through a bearing member, and the top of the gear column is provided with a twisted wire circular opening extending to the bottom, the bottom end of the first cable is fixedly connected to the right end of the leather tooth belt, and the bottom end of the second cable passes through the twisted wire circular opening and is fixedly connected to the left end of the leather tooth belt, and the left side between the front and rear of the inner cavity of the load-bearing cross frame is rotatably connected to the guide wheel through a bearing member.

[0012] Preferably, a transverse tie rod is slidably installed on the right side of the load-bearing cross frame through an opening, and the left end of the transverse tie rod is fixedly connected to an L-shaped card plate used in conjunction with the positioning slot, and a third cable is fixedly connected to the inner side of the L-shaped card plate, and one end of the third cable is fixedly connected to the bottom of the inner side of the lifting frame.

[0013] Preferably, a guide linkage groove is provided on the right side inside the transverse tie rod, and a U-shaped push-pull frame is slidably installed on the inner side of the guide linkage groove, and a threaded rod is rotatably connected to the left side of the inner cavity of the guide linkage groove through a bearing member, and the right end of the threaded rod sequentially passes through the U-shaped push-pull frame and the transverse tie rod and extends to the right side of the transverse tie rod, the U-shaped push-pull frame is threadedly connected to the threaded rod, and a second spring is provided on the left side of the U-shaped push-pull frame and on the surface of the transverse tie rod, and tooth blocks used in conjunction with gear columns are provided on the front and rear sides of the top of the U-shaped push-pull frame, and an inclined surface block used in conjunction with a transverse top plate is fixedly connected to the bottom of the U-shaped push-pull frame through a bracket.

[0014] The present invention also discloses a sediment sampling method, which specifically comprises the following steps: S1. Before use, push the equipment to the riverside and fix it. Then, use the handle to lift the material box and insert it into the inner side of the dehydration shaking box from the upper part of the inner side of the trapezoidal chute. Then put the material box down. At this time, the arc guide block contacts the bottom of the trapezoidal chute, and then go to step S2. S2. After the preparation is completed, first pull the cross tie rod out from the inside of the load-bearing cross frame until it is pulled to the far right. At this time, the third cable will also be in a stretched state. Then push the load-bearing cross frame to move to the left under the action of the side notch until the load-bearing cross frame drives the sampling box to move to the far left. At the same time, the inclined stop block does not contact the horizontal top plate, and the two arc baffles descend to lock the material box. Then slowly push the cross tie rod to move to the left. The L-shaped card plate will pull the third cable to move to the left under the guidance of the wire wheel. At this time, the lifting frame slowly descends under the limit of the vertical guide sliding frame until the sampling box descends into the water and contacts the silt at the bottom of the river channel. At this time, continue to push the cross tie rod to move to the left until the L-shaped card plate is inserted into the inner side of the positioning slot to fix and lock the lifting frame and the sampling box. Then rotate the threaded rod by hand to allow the U-shaped push-pull frame to move in the guide The limit of the linkage groove drives the inclined surface block to move left together. When the U-shaped push-pull frame moves left, the tooth block on the top will mesh with the gear column. At this time, the gear column will rotate clockwise. When the gear column rotates, the second cable will be reeled in, so that both ends of the second cable will be opened and contracted. The contraction of the top end of the second cable will pull the rebound rod down for distance buffering. At the same time, the bottom end of the second cable will pull the left end of the leather tooth belt upward. After the leather tooth belt is pulled, it will drive the first cable to descend and also let the rebound rod on its top descend to compress the first spring. The pulling of the leather tooth belt will utilize the engagement with the gear ring to allow the rotating rod to drive the semicircular shovel frame to rotate 180 degrees. The rotating semicircular shovel frame will dig the silt at the bottom and store it inside. At this time, due to the thread limit of the threaded rod, the semicircular shovel frame is also fixed. At this time, the digging is completed and the process goes to step S3. At this time, the lifting frame drives the sampling box to rise to the top, and then continues to pull the cross tie rod to make it use the L-shaped card plate to pull the load-bearing cross frame to move right until the sampling box is located at the upper part of the drop opening. At this time, the rotating threaded rod drives the U-shaped push-pull frame to move right. When the U-shaped push-pull frame moves to the right, it will drive the gear column to flip and loosen the second cable on the surface. The relaxed second cable will also drive the first cable to loosen at the same time. At this time, the elastic force of several first springs at the top will be used to quickly pull the toothed belt to reverse and reset. After the toothed belt is pulled in the opposite direction, the gear ring will use the rotating rod to drive the semicircular shovel frame to flip, thereby dumping the silt inside the semicircular shovel frame into the inside of the material box. At the same time, because the U-shaped push-pull frame is driven to move right, the inclined surface block will also squeeze the horizontal top plate to lift the two arc baffles and no longer lock the material box. Then hold the handle bar with your hand and pull the material box to the right. During the pulling process, the arc-shaped guide block is continuously pushed up by the trapezoidal slide, thereby vibrating the material box to shake out some water. After the material box is pulled out, the horizontal pull rod is pushed back into the load-bearing horizontal frame for storage. At this time, the sampling box descends but is blocked by the dehydration shaking box. At this time, the equipment is moved to the next sampling point. Beneficial Effects

[0015] The present invention provides a sediment sampling device and a sampling method. Compared with the existing technology, the device has the following beneficial effects: (1) The sediment sampling device and the sampling method use a material holding support mechanism and a lifting sampling mechanism in combination. The arrangement of the two mechanisms can use the load-bearing cross frame and the lifting frame to allow the sampling box to be in different positions and heights, so that the silt at different positions can be sampled. In the sampling process, the sampling box can be fixed by pushing the cross rod, and the semicircular shovel frame can be turned over to dig and then stored. When the material is unloaded later, the material holding box can be unlocked. The whole process is quick and convenient. At the same time, the sediment at the bottom of the river can be sampled, and stability can be guaranteed to meet the current use.

[0016] (2) The sediment sampling device and sampling method are characterized by fixing a sampling box at the bottom end of a lifting frame, and arranging a semicircular shovel frame inside the sampling box, and using it in conjunction with a leather tooth belt and a tooth block. The arrangement of these structures enables the leather tooth belt to pull the gear ring and the rotating rod to rotate by meshing the gear column and the tooth block after the sampling box reaches the bottom, so that the semicircular shovel frame can take samples. In addition, during the sampling process, the overall stability is ensured by docking the L-shaped card plate with the positioning card slot, thereby improving the sampling quality.

[0017] (3) The sediment sampling device and sampling method are characterized by opening a guide linkage groove inside the cross-tie rod, installing a U-shaped push-pull frame inside the guide linkage groove, and using it in conjunction with a threaded rod. The arrangement of these structures can ensure that the U-shaped push-pull frame can achieve the purpose of locking by utilizing the function of the threaded rod, so that the semicircular shovel frame can be locked after completing the sampling, thereby avoiding displacement and leakage of materials during the resetting process of the load-bearing cross frame.

[0018] (4) The sediment sampling device and sampling method are implemented by placing a material holding box inside a dehydration shaking box and using an arc-shaped guide block in combination with a trapezoidal slide. The arrangement of these structures enables the inclined block to unlock the arc-shaped baffle plate, thereby facilitating the removal of the material holding box. At the same time, the coordination of the arc-shaped guide block and the trapezoidal slide during the pulling process can also cause the material holding box to vibrate, thereby effectively removing excess water and bringing convenience to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the inner groove support platform and the side guide block structure of the present invention; Figure 3 It is a cross-sectional view of the dehydration shaking box structure of the present invention; Figure 4 It is a schematic diagram of the structure of the lifting sampling mechanism of the present invention; Figure 5It is a schematic diagram of the first spring, the first cable and the second cable structure of the present invention; Figure 6 is a cross-sectional view of the circular box structure of the present invention; Figure 7 It is a schematic diagram of the circular box, rotating rod and semicircular shovel frame structure of the present invention; Figure 8 It is a schematic diagram of the threaded rod, tooth block and inclined surface block structure of the present invention; Fig. 9 For the present invention Figure 8 A partial enlarged view of the middle A; Fig.10 It is a schematic diagram of the load-bearing cross frame and side notch structure of the present invention; Fig.11 For the present invention Fig.10 A partial enlarged view of point B in the middle.

[0020] In the figure: 1, material holding support mechanism; 2, lifting sampling mechanism; 101, load-bearing bottom plate; 102, inner tank support platform; 103, side guide block; 104, dehydration shaking box; 105, trapezoidal slide; 106, material holding box; 107, arc guide block; 108, vertical slide frame; 109, handle bar; 110, arc baffle; 111, horizontal top plate; 112, drop opening; 113, counterweight seat; 201, load-bearing cross frame; 202, side notch; 203, vertical guide slide frame; 204, lifting frame; 205, positioning card slot; 206, sampling box; 20 7. Round box; 208. Rotating rod; 209. Semicircular shovel frame; 210. Gear ring; 211. Leather tooth belt; 212. Upper baffle; 213. Rebound rod; 214. First spring; 215. First cable; 216. Second cable; 217. Gear column; 218. Wire round mouth; 219. Guide wheel; 220. Transverse tie rod; 221. L-shaped card plate; 222. Guide linkage groove; 223. U-shaped push-pull frame; 224. Threaded rod; 225. Second spring; 226. Tooth block; 227. Inclined block; 228. Third cable. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-11The present invention provides a technical solution: a sediment sampling device, comprising a material holding support mechanism 1, the material holding support mechanism 1 comprises a load-bearing bottom plate 101, and a lifting sampling mechanism 2 is installed on the top of the material holding support mechanism 1.

[0023] Please refer to Figure 2 and Figure 3 , showing the overall structure of the material holding support mechanism 1, the left side of the top of the load-bearing bottom plate 101 is fixedly connected with an inner tank support platform 102, the front and rear of the inner cavity of the inner tank support platform 102 are fixedly connected with side guide blocks 103, the lower part of the left side of the inner tank support platform 102 is fixedly connected with a dehydration shaking box 104 through an opening, the front and rear of the inner cavity of the dehydration shaking box 104 are provided with trapezoidal chutes 105, a material holding box 106 is provided on the inner side of the dehydration shaking box 104, and the surface and rear of the material holding box 106 are fixedly connected with arc guide blocks 107 used in conjunction with the trapezoidal chutes 105 A vertical sliding frame 108 is fixedly connected to the right side of the material box 106, and a handle rod 109 is slidably installed on the inner side of the vertical sliding frame 108. The front and rear sides of the top of the dehydration and shaking box 104 are slidably installed with arc baffles 110 through openings, and a horizontal top plate 111 is fixedly connected between the tops of the two arc baffles 110. A material drop opening 112 for use with the material box 106 is opened on the left side of the top of the dehydration and shaking box 104, and a counterweight seat 113 is fixedly installed on the right side of the top of the load-bearing bottom plate 101, and a counterweight plate is arranged inside the counterweight seat 113 to provide stability for the equipment.

[0024] Please refer to Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.11, showing the overall structure of the lifting sampling mechanism 2, the lifting sampling mechanism 2 includes a load-bearing cross frame 201, and the load-bearing cross frame 201 is located on the inner side of the inner groove support platform 102, the front and rear parts of the load-bearing cross frame 201 are provided with side notches 202 used in conjunction with the side guide blocks 103, the left side of the inner cavity of the load-bearing cross frame 201 is fixedly connected with a vertical guide sliding frame 203 through a bracket, a lifting frame 204 is slidably installed on the inner side of the vertical guide sliding frame 203, a positioning slot 205 is provided on the right side of the lifting frame 204, the bottom end of the lifting frame 204 is fixedly connected with a sampling box 206 through a fixed plate, the surface and rear part of the sampling box 206 are fixedly connected with a circular box 207, the front and rear parts of the inner cavity of the sampling box 206 are rotatably connected with a rotating rod 208 through a bearing member, A semicircular shovel frame 209 is fixedly connected between the two rotating rods 208 and located on the inner side of the sampling box 206. The opposite ends of the two rotating rods 208 penetrate the sampling box 206 and the circular box 207 and extend to the inside of the adjacent circular box 207. The end of the rotating rod 208 extending to the inside of the circular box 207 is fixedly connected to a gear ring 210. A leather tooth belt 211 is meshed on the surface of the gear ring 210, and both ends of the leather tooth belt 211 extend to the top of the circular box 207. An upper baffle plate 212 is fixedly connected to the top of the positioning slot 205. Rebound rods 213 are slidably installed on the front and rear parts of both sides of the top of the upper baffle plate 212 through openings. A first spring 214 is sleeved on the surface of the rebound rod 213 and located on the upper part of the upper baffle plate 212. The bottom ends of the side upper baffles 212 are respectively fixedly connected with the first cable 215 and the second cable 216, both of which are thin steel cables. The surface and rear of the load-bearing cross frame 201 are rotatably connected with a gear column 217 through a bearing, and the top of the gear column 217 is provided with a twisted wire circular opening 218 extending to the bottom. The bottom end of the first cable 215 is fixedly connected to the right end of the leather tooth belt 211, and the bottom end of the second cable 216 passes through the twisted wire circular opening 218 and is fixedly connected to the left end of the leather tooth belt 211. The left side between the front and rear of the inner cavity of the load-bearing cross frame 201 is rotatably connected with a wire pulley 219 through a bearing, and a transverse tie rod 220 is slidably installed on the right side of the load-bearing cross frame 201 through an opening, and the left end of the transverse tie rod 220 is fixed. An L-shaped card plate 221 for use with the positioning card slot 205 is connected, the left end of the L-shaped card plate 221 is arc-shaped and can be easily plugged in, the inner side of the L-shaped card plate 221 is fixedly connected with a third cable 228, the third cable 228 is a thick steel cable, and one end of the third cable 228 is fixedly connected to the bottom of the inner side of the lifting frame 204, a guide linkage groove 222 is provided on the right side of the inside of the transverse tie rod 220, a U-shaped push-pull frame 223 is slidably installed on the inner side of the guide linkage groove 222, a threaded rod 224 is rotatably connected to the left side of the inner cavity of the guide linkage groove 222 through a bearing, and the right end of the threaded rod 224 passes through the U-shaped push-pull frame 223 and the transverse tie rod 220 in sequence and extends to the right side of the transverse tie rod 220, the U-shaped push-pull frame 223 is threadedly connected with the threaded rod 224,A second spring 225 is provided on the left side of the U-shaped push-pull frame 223 and on the surface of the horizontal tie rod 220. The front and rear sides of the top of the U-shaped push-pull frame 223 are provided with tooth blocks 226 used in conjunction with the gear column 217. The bottom of the U-shaped push-pull frame 223 is fixedly connected to an inclined surface block 227 used in conjunction with the horizontal top plate 111 through a bracket.

[0025] The present invention also discloses a sediment sampling method, which specifically comprises the following steps: S1. Before use, push the equipment to the riverside and fix it. Then, use the handle bar 109 to lift the material box 106 and insert it into the inner side of the dehydration shaking box 104 from the upper part of the inner side of the trapezoidal chute 105. Then put the material box 106 down. At this time, the arc guide block 107 contacts the bottom of the trapezoidal chute 105, and then go to step S2. S2. After the preparation is completed, first pull the cross tie rod 220 out from the inside of the load-bearing cross frame 201 until the cross tie rod 220 is pulled to the rightmost side. At this time, the third cable 228 will also be in a tense state. Then push the load-bearing cross frame 201 to move leftward under the action of the side notch 202 until the load-bearing cross frame 201 drives the sampling box 206 to move to the leftmost side. At the same time, the inclined surface block 227 does not contact the horizontal top plate 111. The two arc baffles 110 descend to lock the material box 106. Then slowly push the cross tie rod 220 The L-shaped card plate 221 will pull the third cable 228 to move left under the guidance of the guide wheel 219. At this time, the lifting frame 204 slowly descends under the limit of the vertical guide frame 203 until the sampling box 206 descends into the water and stops when it contacts the silt at the bottom of the river. At this time, the horizontal tie rod 220 continues to be pushed to move left until the L-shaped card plate 221 is inserted into the inner side of the positioning card slot 205 to fix and lock the lifting frame 204 and the sampling box 206. Then, the threaded rod 224 is rotated by hand to make the U-shaped push-pull frame 223 Under the limit of the guide linkage groove 222, the inclined surface block 227 is driven to move left together. When the U-shaped push-pull frame 223 moves left, the tooth block 226 at the top is meshed with the gear column 217. At this time, the gear column 217 rotates clockwise. When the gear column 217 rotates, the second cable 216 is wound up, so that both ends of the second cable 216 are opened and contracted. The contraction of the top end of the second cable 216 will pull the rebound rod 213 down for distance buffering. At the same time, the bottom end of the second cable 216 will pull the leather tooth belt 211 to the left. The first end of the shovel 209 moves upward, and the toothed belt 211 is pulled to drive the first cable 215 to descend and also make the rebound rod 213 on the top thereof descend to compress the first spring 214. The pulling of the toothed belt 211 will utilize the meshing with the gear ring 210 to make the rotating rod 208 drive the semicircular shovel frame 209 to rotate 180 degrees. The rotating semicircular shovel frame 209 will dig the silt at the bottom and store it inside. At this time, due to the threaded limit of the threaded rod 224, the semicircular shovel frame 209 is also fixed. At this time, the digging is completed and the process goes to step S3. S3, after the excavation is completed, the cross tie rod 220 is pulled to move right, at this time, the L-shaped card plate 221 also pulls the lifting frame 204 up through the third cable 228, until the L-shaped card plate 221 moves to the rightmost, at this time, the lifting frame 204 drives the sampling box 206 to rise to the top, and then continue to pull the cross tie rod 220 to make it use the L-shaped card plate 221 to pull the load-bearing cross frame 201 to move right, until the sampling box 206 is located at the upper part of the blanking port 112, at this time, the rotating threaded rod 224 drives the U-shaped push-pull frame 223 to move right, and when the U-shaped push-pull frame 223 moves to the right, it will drive the gear column 217 to flip and loosen the second cable 216 on the surface, and the second cable 216 after relaxation will be released. The cable 216 will also drive the first cable 215 to relax at the same time. At this time, the elastic force of the first springs 214 on the top will quickly pull the toothed belt 211 to reverse and reset. After the toothed belt 211 is pulled in the opposite direction, the gear ring 210 will use the rotating rod 208 to drive the semicircular shovel frame 209 to flip, so that the silt inside the semicircular shovel frame 209 is dumped into the inside of the material box 106. At the same time, since the U-shaped push-pull frame 223 is driven to move right, the inclined surface block 227 will also squeeze the horizontal top plate 111 to lift the two arc baffles 110 and no longer lock the material box 106. Then, the handle rod 109 is held by hand to pull the material box 106 to the right. During the pulling process, the arc guide block 107 is continuously pushed up by the trapezoidal slide groove 105, thereby vibrating the material box 106 to shake out some moisture. After the material box 106 is pulled out, the horizontal tie rod 220 is pushed back into the load-bearing horizontal frame 201 for storage. At this time, the sampling box 206 descends but is blocked by the dehydration shaking box 104. At this time, the equipment is moved to the next sampling point.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A sediment sampling device, comprising a material holding support mechanism (1), characterized in that: The material holding support mechanism (1) comprises a load-bearing bottom plate (101), and a lifting sampling mechanism (2) is installed on the top of the material holding support mechanism (1).

2. A sediment sampling device according to claim 1, characterized in that: The left side of the top of the load-bearing bottom plate (101) is fixedly connected to an inner groove support platform (102), the front and rear parts of the inner cavity of the inner groove support platform (102) are fixedly connected to side guide blocks (103), the lower part of the left side of the inner groove support platform (102) is fixedly connected to a dehydration shaking box (104) through an opening, the front and rear parts of the inner cavity of the dehydration shaking box (104) are provided with trapezoidal slide grooves (105), the inner side of the dehydration shaking box (104) is provided with a material holding box (106), the surface and rear part of the material holding box (106) are fixedly connected to arc guide blocks (107) used in conjunction with the trapezoidal slide grooves (105), the right side of the material holding box (106) is fixedly connected to a vertical sliding frame (108), and a handle bar (109) is slidably mounted on the inner side of the vertical sliding frame (108).

3. A sediment sampling device according to claim 2, characterized in that: The front and rear sides of the top of the dehydration shaking box (104) are slidably mounted with arc-surface baffles (110) through openings, and a transverse top plate (111) is fixedly connected between the tops of the two arc-surface baffles (110). A material drop opening (112) for use with a material storage box (106) is provided on the left side of the top of the dehydration shaking box (104), and a counterweight seat (113) is fixedly mounted on the right side of the top of the load-bearing bottom plate (101).

4. A sediment sampling device according to claim 2, characterized in that: The lifting sampling mechanism (2) comprises a load-bearing cross frame (201), and the load-bearing cross frame (201) is located on the inner side of the inner groove support platform (102), and the front and rear parts of the load-bearing cross frame (201) are both provided with side notches (202) used in conjunction with the side guide blocks (103), and the left side of the inner cavity of the load-bearing cross frame (201) is fixedly connected to a vertical guide slide frame (203) through a bracket, and a lifting frame (204) is slidably installed on the inner side of the vertical guide slide frame (203), and a positioning slot (205) is provided on the right side of the lifting frame (204), and the bottom end of the lifting frame (204) is fixedly connected to a sampling box (206) through a fixing plate.

5. A sediment sampling device according to claim 4, characterized in that: The surface and rear of the sampling box (206) are fixedly connected to a circular box (207); the front and rear of the inner cavity of the sampling box (206) are rotatably connected to a rotating rod (208) via a bearing; a semicircular shovel frame (209) is fixedly connected between the two rotating rods (208) and located on the inner side of the sampling box (206); the opposite ends of the two rotating rods (208) penetrate the sampling box (206) and the circular box (207) and extend to the inside of the adjacent circular box (207); the end of the rotating rod (208) extending to the inside of the circular box (207) is fixedly connected to a gear ring (210); the surface of the gear ring (210 is meshed with a leather tooth belt (211), and both ends of the leather tooth belt (211) extend to the top of the circular box (207).

6. A sediment sampling device according to claim 5, characterized in that: The top of the positioning slot (205) is fixedly connected to an upper baffle (212); the front and rear parts of both sides of the top of the upper baffle (212) are slidably mounted with rebound rods (213) through openings; the surface of the rebound rod (213) and the upper part of the upper baffle (212) are sleeved with a first spring (214); the bottom ends of the upper baffles (212) on both sides are respectively fixedly connected to a first cable (215) and a second cable (216); the surface of the load-bearing cross frame (201) is The front and rear parts are rotatably connected to a gear column (217) via a bearing, and a twisted wire circular opening (218) extending to the bottom is provided at the top of the gear column (217), the bottom end of the first cable (215) is fixedly connected to the right end of the leather toothed belt (211), the bottom end of the second cable (216) passes through the twisted wire circular opening (218) and is fixedly connected to the left end of the leather toothed belt (211), and the left side between the front and rear parts of the inner cavity of the load-bearing cross frame (201) is rotatably connected to a guide wheel (219) via a bearing.

7. A sediment sampling device according to claim 6, characterized in that: A cross tie rod (220) is slidably mounted on the right side of the load-bearing cross frame (201) through an opening, and an L-shaped card plate (221) used in conjunction with the positioning card slot (205) is fixedly connected to the left end of the cross tie rod (220), a third cable (228) is fixedly connected to the inner side of the L-shaped card plate (221), and one end of the third cable (228) is fixedly connected to the bottom of the inner side of the lifting frame (204).

8. A sediment sampling device according to claim 7, characterized in that: A guide linkage groove (222) is provided on the right side of the interior of the cross tie rod (220), a U-shaped push-pull frame (223) is slidably mounted on the inner side of the guide linkage groove (222), a threaded rod (224) is rotatably connected to the left side of the inner cavity of the guide linkage groove (222) via a bearing, and the right end of the threaded rod (224) passes through the U-shaped push-pull frame (223) and the cross tie rod (220) in sequence and extends to the right side of the cross tie rod (220), and the U-shaped push-pull frame (223) is rotatably connected to the left side of the inner cavity of the guide linkage groove (222). 23) is threadedly connected to the threaded rod (224), a second spring (225) is arranged on the left side of the U-shaped push-pull frame (223) and on the surface of the horizontal tie rod (220), the front side and the rear side of the top of the U-shaped push-pull frame (223) are both provided with tooth blocks (226) used in conjunction with the gear column (217), and the bottom of the U-shaped push-pull frame (223) is fixedly connected to an inclined surface block (227) used in conjunction with the horizontal top plate (111) through a bracket.

9. A sediment sampling method, characterized in that: The specific steps include: S1. Before use, the device is pushed to the river bank and then fixed. Then, the material holding box (106) is lifted by the handle bar (109) and inserted into the inner side of the dehydration shaking box (104) from the upper part of the inner side of the trapezoidal chute (105). Then, the material holding box (106) is lowered. At this time, the arc guide block (107) contacts the bottom of the trapezoidal chute (105), and then the process goes to step S2. S2. After the preparation is completed, the cross tie rod (220) is first pulled out from the inside of the load-bearing cross frame (201) until the cross tie rod (220) is pulled to the rightmost side. At this time, the third cable (228) is also in a tense state. Then, the load-bearing cross frame (201) is pushed to move to the left under the action of the side notch (202) until the load-bearing cross frame (201) drives the sampling box (206) to move to the leftmost side. At the same time, the inclined stop block (227) does not contact the horizontal top plate (111). The two arc baffles (110) descend to lock the material box (106). Then, the cross tie rod (220) is slowly pushed. ) moves to the left, the L-shaped card plate (221) will pull the third cable (228) to move to the left under the guidance of the guide wheel (219), and the lifting frame (204) will slowly descend under the limit of the vertical guide frame (203) until the sampling box (206) descends into the water and stops when it contacts the silt at the bottom of the river. At this time, the horizontal pull rod (220) continues to be pushed to the left until the L-shaped card plate (221) is inserted into the inner side of the positioning card slot (205) to fix and lock the lifting frame (204) and the sampling box (206), and then the threaded rod (224) is rotated by hand to allow the U-shaped push-pull frame (22 3) Under the limit of the guide linkage groove (222), the inclined surface block (227) is driven to move left together. When the U-shaped push-pull frame (223) moves left, the tooth block (226) at the top is meshed with the gear column (217). At this time, the gear column (217) rotates clockwise. When the gear column (217) rotates, the second cable (216) is retracted, so that both ends of the second cable (216) are opened and contracted. The contraction of the top end of the second cable (216) pulls the rebound rod (213) down to buffer the distance. At the same time, the bottom end of the second cable (216) pulls the leather tooth belt (211 ) moves upward, and when the toothed belt (211) is pulled, it drives the first cable (215) to descend and also causes the rebound rod (213) on the top thereof to descend to compress the first spring (214). The pulling of the toothed belt (211) utilizes the meshing with the gear ring (210) to cause the rotating rod (208) to drive the semicircular shovel frame (209) to rotate 180 degrees. When rotating, the semicircular shovel frame (209) digs the silt at the bottom and stores it inside. At this time, due to the threaded limit of the threaded rod (224), the semicircular shovel frame (209) is also fixed. At this time, the digging is completed and the process goes to step S3; S3, after the excavation is completed, the cross tie rod (220) is pulled to the right, and the L-shaped card plate (221) also pulls the lifting frame (204) to rise through the third cable (228) until the L-shaped card plate (221) moves to the rightmost side. At this time, the lifting frame (204) drives the sampling box (206) to rise to the top, and then the cross tie rod (220) is continued to be pulled to make it use the L-shaped card plate (221) to pull the load-bearing cross frame (201) to move right until the sampling box (206) is located at the upper part of the drop opening (112). At this time, the rotating threaded rod (224) drives the U-shaped push-pull frame (223) to move right. When the U-shaped push-pull frame (223) moves to the right, it drives the gear column (217) to flip and loosen the second cable (216) on the surface. After the second cable (216) is loosened, the second cable (216) is loosened. The cable (216) will also drive the first cable (215) to relax at the same time. At this time, the elastic force of the plurality of first springs (214) on the top will quickly pull the toothed belt (211) to reverse and reset. After the toothed belt (211) is pulled in the opposite direction, the gear ring (210) will use the rotating rod (208) to drive the semicircular shovel frame (209) to flip, thereby dumping the silt inside the semicircular shovel frame (209) into the inside of the material storage box (106). At the same time, since the U-shaped push-pull frame (223) is driven to move right, the inclined surface block (227) will also squeeze the horizontal top plate (111) to lift the two arc baffles (110) and no longer lock the material storage box (106). Then, the handle rod (109) is held by hand to pull the material storage box (106) to the right. During the pulling process, the arc-shaped guide block (107) is continuously pushed up by the trapezoidal slide groove (105), thereby vibrating the material box (106) to shake out some water. After the material box (106) is pulled out, the cross-pull rod (220) is pushed back into the load-bearing cross frame (201) for storage. At this time, the sampling box (206) descends but is blocked by the dehydration shaking box (104). At this time, the equipment is moved to the next sampling point.

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