Sand suction pipe of cutter suction type sand dredger

Abstract

The utility model discloses a sand suction pipe of a cutter suction type sand dredger. The sand suction pipe comprises a sand suction pipe body and an exchange assembly, the sand suction pipe body comprises a left flange plate and a right flange plate which are fixedly installed on the two sides of the sand suction pipe body respectively. According to the sand suction pipe of the cutter suction type sand dredger, when the sand suction pipe on the cutter suction type sand dredger sucks sand, the inside of the sand suction pipe can be continuously scoured by sucked sand, so that the inner pipe in the sand suction pipe body is easily abraded and damaged, and after the inner pipe in the sand suction pipe body is abraded and damaged, the sand suction pipe can be used for sucking the sand. The inner pipe of the sand suction pipe body can be conveniently disassembled, assembled and exchanged through disassembly of the inner pressing ring of the left flange plate, so that the exchange convenience of the inner pipe of the sand suction pipe body is improved, meanwhile, the sand suction pipe body of which the inner pipe can be exchanged has longer service life compared with an integral sand suction pipe, and the exchanged inner pipe in the sand suction pipe body is more convenient to replace. The outer wall of the inner pipe is clamped in the clamping groove in the inner wall of the sand suction pipe body through the clamping strip, the two ends of the inner pipe are clamped through the fixing nail and pressed through the pressing ring respectively, and therefore the good stability of the inner pipe in the using process can be guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of cutter suction dredgers, specifically a sand suction pipe for cutter suction dredgers. Background Technology

[0002] Cutter suction dredgers, also known as cutter suction sand pumps or dredgers, are a type of high-efficiency waterborne sand mining equipment. They are widely used in various fields such as river dredging, lake and reservoir dredging, land reclamation, port and wharf cleaning, and construction sand mining. The suction pipe on the cutter suction dredger is one of its key components, mainly responsible for the extraction and transportation of mud and sand.

[0003] Existing sand dredger suction pipes, such as the one disclosed in publication number CN220335983U, have the advantage of improving the direct strength between two suction pipe bodies, thereby enabling the rapid assembly of multiple suction pipe bodies together. However, after the inner wall of this suction pipe is worn and damaged by erosion after use, it is inconvenient to disassemble and replace the inner pipe and ensure the stability after assembly. Therefore, we propose a cutter suction type sand dredger suction pipe. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A cutter suction dredger's suction pipe includes: a suction pipe body and an interchangeable assembly; the suction pipe body includes a left flange and a right flange fixedly installed on its two sides respectively; the interchangeable assembly includes multiple sets of slots arranged on the inner wall of the suction pipe body, an inner pipe movably installed inside the suction pipe body, a locking strip arranged and fixedly installed on the outer wall of the inner pipe, a clamping port opened inside the left flange, a pressure ring movably installed inside the clamping port, locking blocks fixedly installed on both sides of the pressure ring, and locking slots opened on both sides of the clamping port.

[0007] Preferably, the inner tube is further provided with an inner steel wire layer, a middle rubber layer and an outer steel wire layer in sequence from the inner layer to the outer layer.

[0008] Preferably, the inner end of the right flange is further provided with a plurality of sets of fixing nails, and the inner tube is further provided with a plurality of sets of reinforcing holes on one side.

[0009] Preferably, the card block is provided with a mounting hole and a threaded hole corresponding to the bottom of the card slot, and an internal hex screw is movably installed in both the mounting hole and the threaded hole.

[0010] Preferably, the number of card strips and card slots are the same, and the card strips and card slots are matched.

[0011] Preferably, the card block and the card slot are matched.

[0012] Preferably, the number of fixing nails and reinforcing holes are the same, and the fixing nails and reinforcing holes are matched.

[0013] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0014] 1. In this utility model, when the sand suction pipe on the cutter suction dredger is suctioning sand, the suctioned mud and sand will continuously wash the inside of the suction pipe, which will easily cause wear and damage to the inner tube of the suction pipe body. After the inner tube of the suction pipe body is worn and damaged, it can be easily disassembled and replaced by removing the pressure ring inside the left flange, thereby improving the convenience of replacing the inner tube of the suction pipe body. At the same time, the suction pipe body with replaceable inner tube also has a longer service life than the integral suction pipe.

[0015] 2. In this utility model, the outer wall of the inner tube after replacement in the sand suction pipe body is engaged in the groove on the inner wall of the sand suction pipe body by a locking strip, and its two ends are respectively engaged by the fixing nail and pressed by the pressure ring, thereby ensuring good stability during use after the inner tube is replaced.

[0016] 3. In this utility model, the inner steel wire layer, the middle rubber layer and the outer steel wire layer arranged sequentially from the inner layer to the outer layer in the inner tube can improve the erosion resistance of the inner wall of the inner tube, and at the same time reduce the damage to the inner wall of the sand suction pipe body after the inner tube breaks. Attached Figure Description

[0017] Figure 1 This is an overall structural diagram of the present invention;

[0018] Figure 2 This is another perspective view of the present invention;

[0019] Figure 3 This is a disassembly diagram of the inner tube and pressure ring of this utility model;

[0020] Figure 4 This is another perspective of the disassembly diagram of the inner tube and pressure ring of this utility model;

[0021] Figure 5 This is a side sectional view of the inner tube of this utility model.

[0022] Figure label:

[0023] 100. Sand suction pipe body; 101. Left flange; 102. Right flange;

[0024] 200. Replacement component; 201. Slot; 202. Inner tube; 203. Clip; 204. Clamping port; 205. Pressure ring; 206. Clip block; 207. Clamping slot; 208. Inner steel wire layer; 209. Middle rubber layer; 210. Outer steel wire layer; 211. Fixing nail; 212. Reinforcing hole; 213. Mounting hole; 214. Threaded hole; 215. Socket head cap screw. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0026] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a cutter suction pipe for a sand dredger.

[0027] Example 1:

[0028] Combination Figure 1-5 As shown, the present invention provides a cutter suction dredger suction pipe, comprising: a suction pipe body 100 and an interchangeable assembly 200; the suction pipe body 100 includes a left flange 101 and a right flange 102 fixedly installed on its two sides respectively; the interchangeable assembly 200 includes multiple sets of slots 201 arranged on the inner wall of the suction pipe body 100, an inner pipe 202 movably installed inside the suction pipe body 100, a locking strip 203 arranged and fixedly installed on the outer wall of the inner pipe 202, a pressing port 204 opened inside the left flange 101, a pressure ring 205 movably installed inside the pressing port 204, locking blocks 206 fixedly installed on both sides of the pressure ring 205, and locking slots 207 opened on both sides of the pressing port 204, and the inner pipe 202 extending from the inner layer to the outer layer of the inner pipe 202. The outer layer is also provided with an inner steel wire layer 208, a middle rubber layer 209 and an outer steel wire layer 210 in sequence. Multiple sets of fixing nails 211 are also arranged and fixedly installed at the inner end of the right flange 102. Multiple sets of reinforcing holes 212 are also arranged and opened on one side of the inner tube 202. The bottom of the locking block 206 and the bayonet 207 are respectively provided with mounting holes 213 and threaded holes 214. Hex socket screws 215 are also movably installed in the mounting holes 213 and the threaded holes 214. The number of locking strips 203 and locking grooves 201 are the same, and the locking strips 203 and locking grooves 201 are matched. The locking block 206 and the bayonet 207 are matched. The number of fixing nails 211 and reinforcing holes 212 are the same, and the fixing nails 211 and reinforcing holes 212 are matched.

[0029] Specifically, a cutter suction dredger, also commonly known as a cutter suction sand pump or dredger, is a highly efficient waterborne sand mining equipment. The suction pipe is one of its key components, primarily responsible for the extraction and transport of sediment. During sand extraction, the suction pipe continuously erodes the inside of the pipe, easily causing wear and damage to the inner tube 202 of the suction pipe body 100. After wear and damage, the inner tube 202 can be easily replaced by disassembling the pressure ring 205 inside the left flange 101, thus improving the convenience of replacing the inner tube 202 in the suction pipe body 100. Furthermore, a suction pipe body 100 with a replaceable inner tube 202 has a longer service life than a one-piece suction pipe. After replacement, the outer wall of the inner tube 202 in the suction pipe body 100... The clip 203 engages with the groove 201 on the inner wall of the suction pipe body 100. Its two ends are respectively engaged with the fixing nail 211 and pressed by the pressure ring 205, thus ensuring good stability during use after the inner pipe 202 is replaced. The inner steel wire layer 208, the middle rubber layer 209 and the outer steel wire layer 210 arranged sequentially from the inner layer to the outer layer in the inner pipe 202 not only improve the erosion resistance of the inner wall of the inner pipe 202, but also reduce the damage to the inner wall of the suction pipe body 100 after the inner pipe 202 breaks. The pressure ring 205, which is installed in the left flange 101 by the internal hexagon screw 215, can also be pressed between the left flange 101 and the right flange 102 when the suction pipe bodies 100 are connected to each other, thus preventing the pressure ring 205 from falling off and enhancing the installation stability of the inner pipe 202 in the suction pipe body 100.

[0030] Working principle and usage process of this utility model:

[0031] After the inner tube 202 inside the sand suction pipe body 100 is worn and damaged, first disconnect the connection of the left flange 101 at one end of the sand suction pipe body 100. After disconnecting the left flange 101, remove the hexagonal screws 215 at the outer ends of the two side clips 206 to remove the pressure ring 205 in the left flange 101. After removing the pressure ring 205, the damaged inner tube 202 inside the sand suction pipe body 100 can be pulled out directly. After the damaged inner tube 202 is pulled out, the new inner tube 202 is positioned and installed into the slot 201 in the sand suction pipe body 100 through the outer end clip 203. Align the position between the reinforcement hole 212 on one side of the new inner tube 202 and the fixing nail 211 at the inner end of the right flange 102. At this time, slide the inner tube 202 in and reinstall and tighten the pressure ring 205 inside the left flange 101. The replacement of the damaged inner tube 202 inside the sand suction pipe body 100 can be completed.

[0032] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A sand suction pipe for a cutter suction dredger, characterized in that, include: The suction pipe body (100) and the replacement component (200) are included. The suction pipe body (100) includes a left flange (101) and a right flange (102) fixedly installed on both sides of it; The replacement component (200) includes multiple sets of slots (201) arranged on the inner wall of the sand suction pipe body (100), an inner pipe (202) movably installed inside the sand suction pipe body (100), a locking strip (203) arranged and fixedly installed on the outer wall of the inner pipe (202), a clamping port (204) opened inside the left flange (101), a pressure ring (205) movably installed inside the clamping port (204), a locking block (206) fixedly installed on both sides of the pressure ring (205), and a locking slot (207) opened on both sides of the clamping port (204).

2. The sand suction pipe for a cutter suction dredger according to claim 1, characterized in that, The inner tube (202) is further provided with an inner steel wire layer (208), a middle rubber layer (209) and an outer steel wire layer (210) in sequence from the inner layer to the outer layer.

3. The sand suction pipe for a cutter suction dredger according to claim 1, characterized in that, The inner end of the right flange (102) is also equipped with a number of fixing nails (211), and the inner tube (202) is also provided with a number of reinforcing holes (212) on one side.

4. The sand suction pipe for a cutter suction dredger according to claim 1, characterized in that, The card block (206) is provided with a mounting hole (213) and a threaded hole (214) respectively corresponding to the bottom of the slot (207). An internal hexagon screw (215) is also movably installed in the mounting hole (213) and the threaded hole (214).

5. The sand suction pipe for a cutter suction dredger according to claim 1, characterized in that, The number of card strips (203) and card slots (201) are the same, and the card strips (203) and card slots (201) are matched.

6. The sand suction pipe for a cutter suction dredger according to claim 1, characterized in that, The card block (206) is matched with the card slot (207).

7. The sand suction pipe for a cutter suction dredger according to claim 3, characterized in that, The number of fixing pins (211) and reinforcing holes (212) are the same, and the fixing pins (211) and reinforcing holes (212) are matched.

Images