Rapid serial pump pipeline system for dredger

Abstract

The utility model relates to the technical field of serial pump pipelines, and discloses a quick serial pump pipeline system for a dredger, which comprises a main pipeline, the front end of the main pipeline is communicated with an underwater dredge pump, the rear end of the main pipeline is fixedly connected with a discharge port, the right side of the main pipeline is communicated with two side branch pipelines at equal intervals, and the two side branch pipelines are communicated with the discharge port. A plurality of buckles are fixedly connected to the right ends of the two side branch pipelines at equal intervals, clamping rings are fixedly connected to the outer walls of the right ends of the two buckles, connecting pipes are arranged on the right sides of the two side branch pipelines, and a plurality of clamping grooves are formed in the left ends of the two connecting pipes at equal intervals; and circular rings are fixedly connected to the outer walls of the left ends of the two connecting pipes. According to the utility model, the slurry is sucked into the main pipeline by starting the underwater dredge pump and conveyed to the discharge port at the rear end, the main pipeline and the connecting pipe are connected by virtue of the bypass pipeline, and the slurry is pumped and pressurized by the auxiliary dredge pump and then discharged into the main pipeline, so that the slurry is conveyed at higher pressure and flow, and the requirements of different working conditions are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of string pump pipeline, especially to a quick string pump pipeline system for dredger. BACKGROUND

[0002] The main work of dredger is to excavate the silt at the bottom of water, and the conveying speed of silt is limited in the traditional pipeline system, while the quick string pump pipeline system can greatly speed up the conveying speed of silt, and in the channel dredging project of large port, the quick string pump pipeline system can convey more silt in unit time, so that the channel dredging work can be completed faster, and the influence time on port shipping is reduced.

[0003] Through the search, the utility model relates to a kind of quick string pump pipeline system for dredger, including the first maintenance pipeline connected in the mud inlet of No. 1 mud pump, R type tee pipe is connected in the outer end of first maintenance pipeline;It further includes connected bypass elbow pipe and bypass straight pipe;It further includes the second maintenance pipeline connected in the mud inlet of No. 2 mud pump, inlet elbow pipe and inlet straight pipe are sequentially connected in the outer end of second maintenance pipeline, fixed rubber short section and outlet elbow pipe are sequentially connected in the mud outlet of No. 2 mud pump;It further includes the mud pipe connected in the mud outlet of underwater mud pump, Y type tee pipe is connected in the outer end of mud pipe;The outer end port of bypass elbow pipe is aligned with the second pipe port of R type tee pipe, the outer end port of bypass straight pipe is aligned with the second pipe port of Y type tee pipe;The outer end port of inlet straight pipe is aligned with the third pipe port of Y type tee pipe;The outer end port of outlet elbow pipe is aligned with the third pipe port of R type tee pipe, but in actual use, double-pipeline string pump mode needs to connect multiple interfaces and pipelines when string pumping, which is very time-consuming and laborious, resulting in reduced efficiency. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a kind of quick string pump pipeline system for dredger, to improve the problem of double-pipeline string pump mode in prior art, which needs to connect multiple interfaces and pipelines when string pumping, which is very time-consuming and laborious, resulting in reduced efficiency.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of fast string pump pipeline system for dredger, the front end of the main pipeline is communicated with underwater mud pump, the rear end of the main pipeline is fixedly connected with discharge port, the right side of the main pipeline is communicated with two branch pipelines at equal intervals, the right end of two branch pipelines is fixedly connected with multiple buckles at equal intervals, the right end outer wall of two buckles is fixedly connected with snap ring, the right side of two branch pipelines is provided with connecting pipe, the left end of two connecting pipes is communicated with multiple clamping grooves at equal intervals, the left end outer wall of two connecting pipes is fixedly connected with circular ring, the left side of two circular rings is communicated with circular groove, the outer wall of two circular rings is rotatably connected with multiple fixed bolts at equal intervals, the right end of two connecting pipes is fixedly connected with auxiliary mud pump one and auxiliary mud pump two respectively, the rear end of the main pipeline is provided with adjusting mechanism.

[0006] Through the above technical scheme: first, start underwater mud pump, and the mud and other substances in the bottom of water are sucked into the main pipeline, and the main pipeline is used as the main conveying channel, and the mud preliminarily sucked is conveyed to the discharge port at the rear end, when the conveying efficiency of the mud needs to be improved, auxiliary mud pump one and auxiliary mud pump two can be enabled, the branch pipeline plays the role of connecting the main pipeline and the connecting pipe, the buckle at the right end of the branch pipeline and the snap ring thereon cooperate with the clamping groove at the left end of the connecting pipe, so that the branch pipeline and the connecting pipe can be quickly docked and positioned, the circular groove on the circular ring further assists positioning, to ensure the accuracy and stability of connection, then the circular ring and the branch pipeline are tightly fixed together by rotating the fixed bolt, so that the connection between the branch pipeline and the connecting pipe is completed, when auxiliary mud pump one and auxiliary mud pump two are connected to the system, the mud can be extracted from the main pipeline, and the mud can be treated, such as pressurization, and then the mud is discharged into the main pipeline through the connecting pipe, so that the mud can be conveyed to the discharge port with greater pressure and flow, to improve the working efficiency and adaptability of the dredger, to meet the requirements of dredging and conveying tasks under different working conditions.

[0007] Further description of the above technical scheme:

[0008] The adjusting mechanism includes a U-shaped plate, the bottom of the U-shaped plate is fixedly connected to the left and right sides of the discharge port, the inner left and right sides of the U-shaped plate are provided with sliding grooves, the inner top of the two sliding grooves is fixedly connected with telescopic rods, the other end of the two telescopic rods is fixedly connected with sliding blocks, the adjacent side of the two sliding blocks is fixedly connected with the same horizontal plate, the bottom of the horizontal plate is fixedly connected with a baffle, and the top of the discharge port is provided with a moving groove.

[0009] Through the technical scheme, when the mud flow or the discharge state of the discharge port needs to be adjusted, the telescopic rod is controlled to drive the sliding blocks to move up and down in the sliding grooves. Since the two sliding blocks are connected to the transverse plate, the transverse plate moves up and down with the sliding blocks. When the baffle moves downward, the opening of the discharge port is gradually shielded, the channel area of the mud flowing out of the discharge port is reduced, and thus the mud flow is reduced. Conversely, when the telescopic rod is retracted and the baffle moves upward, the opening channel area of the discharge port is increased, and the mud flow is increased.

[0010] Further description of the technical scheme is as follows:

[0011] The inner sides of the two branch pipelines are communicated with valves, and the two valves are fixedly connected to the outer walls of the branch pipelines.

[0012] Through the technical scheme, the valves are installed in the inner sides of the branch pipelines and fixed to the outer walls of the branch pipelines, and are mainly used for controlling the on-off of the mud in the branch pipelines.

[0013] Further description of the technical scheme is as follows:

[0014] The top front and back sides of the baffle are fixedly connected with sealing plates, and the bottoms of the two sealing plates are in abutment with the top of the discharge port.

[0015] Through the technical scheme, the main function is to enhance the sealing performance of the baffle when the baffle adjusts the flow of the discharge port.

[0016] Further description of the technical scheme is as follows:

[0017] The inner front and back sides of the two sliding grooves are provided with sliding grooves, the front and back sides of the two sliding blocks are fixedly connected with sliding blocks, and the plurality of sliding blocks are slidably connected with the inner sides of the corresponding gaskets.

[0018] Through the technical scheme, when the telescopic rod drives the sliding blocks to move up and down, the sliding blocks slide in the sliding grooves, so that the sliding blocks are prevented from deviating or shaking during the movement.

[0019] Further description of the technical scheme is as follows:

[0020] The outer walls of the plurality of fixing bolts are slidably connected with gaskets, and one side of the plurality of gaskets is in abutment with the outer wall of the corresponding ring.

[0021] Through the technical scheme, during the connection of the ring and the branch pipeline by the fixing bolts, the gaskets can prevent the connection part from being damaged due to excessive fastening force, and can also fill the small gaps of the connection part to prevent mud leakage.

[0022] As a further description of the above technical solutions:

[0023] One end of the plurality of fixed bolts is penetrated through the annular ring and rotationally connected inside the corresponding reserved hole, and the fixed bolt is matched with the size of the reserved hole.

[0024] Through the above technical solutions: the reserved hole provides the installation position for the fixed bolt, so that the fixed bolt can tightly connect the annular ring and the side branch pipeline.

[0025] As a further description of the above technical solutions:

[0026] The baffle is slidingly connected with the moving groove, and the size of the baffle is matched with the size of the moving groove.

[0027] Through the above technical solutions: the moving groove provides space and guidance for the up-down movement of the baffle, and ensures that the baffle can move along the predetermined direction when adjusting the flow of the discharge port.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, when the auxiliary mud pump one and the auxiliary mud pump two are started to improve the conveying efficiency, the main pipeline is connected with the connecting pipe through the side branch pipeline, the buckle, the snap ring is clamped into the clamping groove and the circular groove to realize quick butt joint positioning, the auxiliary mud pump extracts the mud slurry after pressurization and then discharges into the main pipeline, so that the mud slurry is conveyed with greater pressure and flow, and different working condition requirements are met.

[0030] 2. In the utility model, when it is necessary to adjust the mud slurry flow or discharge state of the discharge port, corresponding adjustment is realized by controlling the telescopic rod, the telescopic rod is stretched or contracted, the connected sliding block is driven to move up and down in the sliding groove, then the horizontal plate and the baffle at the bottom move up and down, the baffle moves downward and blocks the discharge port opening, the mud slurry flow is reduced, on the contrary, when the telescopic rod is contracted and the baffle moves upward, the opening area is increased and the mud slurry flow is increased, so that the flow adjustment function is realized. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of a quick string pump pipeline system for a dredger is provided for the utility model;

[0032] Figure 2 A structure side view of a quick string pump pipeline system for a dredger is provided for the utility model;

[0033] Figure 3 A structure split view of a quick string pump pipeline system for a dredger is provided for the utility model;

[0034] Figure 4A connecting pipe structure split drawing of the quick series pump pipeline system for the dredger is provided.

[0035] Figure 5 A connecting pipe structure split drawing of the quick series pump pipeline system for the dredger is provided.

[0036] Legend:

[0037] 1, main pipeline; 2, adjusting mechanism; 201, U-shaped plate; 202, sliding groove; 203, telescopic rod; 204, sliding block; 205, cross plate; 206, baffle; 207, moving groove; 3, underwater mud pump; 4, discharge port; 5, branch pipeline; 6, buckle; 7, clasp; 8, reserved hole; 9, connecting pipe; 10, clamping groove; 11, circular ring; 12, circular groove; 13, fixing bolt; 14, auxiliary mud pump one; 15, auxiliary mud pump two; 16, valve; 17, sealing plate; 18, sliding groove; 19, sliding block; 20, gasket. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0039] Reference Figure 1 , Figure 3 and Figure 4The utility model provides an embodiment: a kind of quick string pump pipeline system for dredger, including main pipeline 1, main pipeline 1 can be as main slurry delivery channel, the slurry suctioned by front end underwater mud pump 3 is transmitted to rear end, the front end of main pipeline 1 is connected with underwater mud pump 3, underwater mud pump 3 can suck the slurry etc. in water bottom into main pipeline 1, the rear end of main pipeline 1 is fixedly connected with discharge port 4, discharge port 4 can discharge treated slurry to specified position, the right side of main pipeline 1 is communicated with two branch pipelines 5 at equal intervals, branch pipeline 5 is used to connect main pipeline 1 with subsequent auxiliary equipment, the right end of two branch pipelines 5 is fixedly connected with multiple buckles 6 at equal intervals, buckle 6 is helpful to the positioning when being connected with other components, the right end outer wall of two buckles 6 is fixedly connected with snap ring 7, snap ring 7 can enhance the stability of connection, the right side of two branch pipelines 5 is provided with connecting pipe 9, connecting pipe 9 can connect branch pipeline 5 with auxiliary mud pump, the left end of two connecting pipes 9 is opened with multiple clamping grooves 10 at equal intervals, clamping groove 10 is cooperated with buckle 6 and realizes quick butt joint, the left end outer wall of two connecting pipes 9 is fixedly connected with circular ring 11, circular ring 11 can provide connecting base for fixed bolt 13, the left side of two circular rings 11 is opened with circular groove 12, circular groove 12 is positioned when being connected, the outer wall of two circular rings 11 is rotatably connected with multiple fixed bolts 13 at equal intervals, fixed bolt 13 can tightly fix circular ring 11 with branch pipeline 5, the right end of two connecting pipes 9 is fixedly connected with auxiliary mud pump one 14 and auxiliary mud pump two 15 respectively, auxiliary mud pump one 14 and auxiliary mud pump two 15 can pressurize slurry etc. and handle to improve delivery efficiency, the rear end of main pipeline 1 is provided with adjusting mechanism 2, adjusting mechanism 2 can control the slurry flow of discharge port 4 etc., one end of multiple fixed bolts 13 all penetrates circular ring 11 and is rotatably connected in the inside of corresponding reserved hole 8, reserved hole 8 provides mounting position for fixed bolt 13 and fixed bolt 13 and reserved hole 8 size match, guarantee the firmness of connection;

[0040] Specifically, first, the underwater mud pump 3 is started, and the mud and other substances on the seabed are sucked into the main pipeline 1. The main pipeline 1 serves as the main conveying channel and conveys the preliminarily sucked mud to the discharge port 4 at the rear end. When it is necessary to improve the conveying efficiency of the mud, the auxiliary mud pump one 14 and the auxiliary mud pump two 15 can be used. The branch pipeline 5 serves to connect the main pipeline 1 and the connecting pipe 9. The buckle 6 at the right end of the branch pipeline 5 and the clasp 7 thereon cooperate with the clamping groove 10 at the left end of the connecting pipe 9, so that the branch pipeline 5 and the connecting pipe 9 can be quickly docked and positioned. The circular groove 12 on the circular ring 11 further assists in positioning, ensuring the accuracy and stability of the connection. Then, by rotating the fixing bolt 13, the circular ring 11 and the branch pipeline 5 are tightly fixed together, thereby completing the connection of the branch pipeline 5 and the connecting pipe 9. When the auxiliary mud pump one 14 and the auxiliary mud pump two 15 are connected to the system, they can extract mud from the main pipeline 1 and perform pressure treatment on the mud, and then the mud is discharged into the main pipeline 1 through the connecting pipe 9, so that the mud can be conveyed to the discharge port 4 with greater pressure and flow rate, improving the working efficiency and adaptability of the dredger and meeting the requirements of dredging and conveying tasks under different working conditions. The reserved hole 8 provides a mounting position for the fixing bolt 13, so that the fixing bolt 13 can tightly connect the circular ring 11 and the branch pipeline 5.

[0041] With reference to Figure 2 and Figure 5 , the adjusting mechanism 2 includes a U-shaped plate 201, which can provide an installation support frame for internal components. The bottom of the U-shaped plate 201 is fixedly connected to the left and right sides of the discharge port 4, and can stably install the adjusting mechanism 2 at the discharge port 4. The left and right sides of the inside of the U-shaped plate 201 are both provided with sliding grooves 202, which can provide a guide rail for the movement of the sliding blocks 204. The inner top of each of the two sliding grooves 202 is fixedly connected with an extension rod 203, which can control the up and down movement position of the sliding block 204 through extension and contraction. The other end of each of the two extension rods 203 is fixedly connected with a sliding block 204, which can stably slide in the sliding groove 202 and transmit the power of the extension rod 203. The adjacent side of each of the two sliding blocks 204 is fixedly connected with the same horizontal plate 205, which can integrate the movements of the two sliding blocks 204, making the overall movement more coordinated. The bottom of the horizontal plate 205 is fixedly connected with a baffle 206, which can directly adjust the opening size of the discharge port 4. The top of the discharge port 4 is provided with a moving groove 207, which provides a space constraint for the up and down movement of the baffle 206. The baffle 206 is slidingly connected with the moving groove 207, which ensures the directionality and stability of the movement of the baffle 206. The size of the baffle 206 and the moving groove 207 is matched, which can effectively prevent the mud from leaking between the baffle 206 and the moving groove 207;

[0042] Specifically, when the mud flow or discharge state of the discharge port 4 needs to be adjusted, the telescopic rod 203 is controlled to extend or retract, which drives the sliding blocks 204 connected thereto to move up and down in the sliding grooves 202. Since the two sliding blocks 204 are jointly connected to the horizontal plate 205, the horizontal plate 205 will move up and down with the movement of the sliding blocks 204. The baffle 206 at the bottom of the horizontal plate 205 also moves up and down. When the baffle 206 moves downward, it gradually blocks the opening of the discharge port 4, reduces the passage area of the mud flowing out of the discharge port 4, and thus reduces the mud flow. Conversely, when the telescopic rod 203 retracts and the baffle 206 moves upward, the opening passage area of the discharge port 4 increases, and the mud flow increases. This ensures that the baffle 206 can move in the predetermined direction when adjusting the flow of the discharge port 4, and cannot deviate or be stuck.

[0043] With reference to Figure 1 , Figure 2 and Figure 5 , the inner sides of the two branch pipes 5 are communicated with valves 16, which can control the on-off of the mud in the branch pipes 5. The two valves 16 are fixedly connected to the outer walls of the branch pipes 5 and can be stably installed on the branch pipes 5 to perform their control functions. The top front and back sides of the baffle 206 are fixedly connected with sealing plates 17, which can enhance the sealing between the baffle 206 and the discharge port 4. The bottoms of the two sealing plates 17 are in close contact with the top of the discharge port 4, effectively preventing the mud from leaking out of the gap between the baffle 206 and the discharge port 4. The inner front and back sides of the two sliding grooves 202 are provided with sliding grooves 18, which provide sliding tracks for the sliding blocks 19 to guide the moving direction of the sliding blocks 204. The front and back sides of the two sliding blocks 204 are fixedly connected with sliding blocks 19, which can smoothly slide in the sliding grooves 18 and ensure the stability of the movement of the sliding blocks 204. The plurality of sliding blocks 19 are respectively slidably connected with the interiors of the corresponding gaskets 20, which can reduce the friction between the sliding blocks 19 and the sliding grooves 18. The outer walls of the plurality of fixing bolts 13 are slidably connected with gaskets 20, which can buffer the pressure generated when the fixing bolts 13 are tightened. One side of the plurality of gaskets 20 is in close contact with the outer wall of the corresponding circular ring 11, preventing the mud from leaking from the connection part of the fixing bolt 13 and the circular ring 11.

[0044] Specifically, the valve 16 is installed on the inner side of the branch pipe 5 and fixed to the outer wall of the branch pipe 5, mainly used for controlling the on-off of the mud in the branch pipe 5, and mainly functions to enhance the sealing of the baffle 206 when adjusting the flow of the discharge port 4. When the telescopic rod 203 drives the sliding blocks 204 to move up and down, the sliding blocks 19 slide in the sliding grooves 18 to prevent the sliding blocks 204 from deviating or shaking during movement. During the process of connecting the circular ring 11 and the branch pipe 5 by the fixing bolt 13, the gasket 20 can prevent the connection part from being damaged due to excessive tightening force, and also can fill the small gap of the connection part.

[0045] Working principle: when the dredger's fast string pump pipeline system is started, the underwater mud pump 3 is first started to suck the mud and other substances on the water bottom into the main pipeline 1, which serves as the main conveying channel to convey the preliminarily sucked mud to the rear discharge port 4, when it is necessary to improve the conveying efficiency of the mud, the auxiliary mud pump one 14 and the auxiliary mud pump two 15 can be started, the branch pipeline 5 serves to connect the main pipeline 1 and the connecting pipe 9, the buckle 6 at the right end of the branch pipeline 5 and the clasp 7 thereon are clamped into the corresponding clamping groove 10 and the circular groove 12, so that the branch pipeline 5 and the connecting pipe 9 can be quickly docked and positioned, the circular groove 12 on the circular ring 11 further assists the positioning, ensuring the accuracy and stability of the connection, then the circular ring 11 and the branch pipeline 5 are tightly fixed together by rotating the fixing bolt 13, thereby completing the connection of the branch pipeline 5 and the connecting pipe 9, when the auxiliary mud pump one 14 and the auxiliary mud pump two 15 are connected to the system, they can extract the mud from the main pipeline 1 and pressurize the mud, and then the mud is discharged into the main pipeline 1 through the connecting pipe 9, so that the mud can be conveyed to the discharge port 4 with greater pressure and flow, improving the working efficiency and adaptability of the dredger, meeting the requirements of dredging and conveying tasks under different working conditions, and when it is necessary to adjust the mud flow or discharge state of the discharge port 4, the telescopic rod 203 is controlled to achieve the adjustment, when the telescopic rod 203 is extended or retracted, the sliding block 204 connected thereto moves up and down in the sliding groove 202, since the two sliding blocks 204 are jointly connected to the horizontal plate 205, the horizontal plate 205 moves up and down with the sliding blocks 204, and the baffle 206 at the bottom of the horizontal plate 205 also moves up and down, when the baffle 206 moves downward, it gradually blocks the opening of the discharge port 4, reducing the channel area of the mud flowing out of the discharge port 4, thereby reducing the mud flow, on the contrary, when the telescopic rod 203 is retracted and the baffle 206 moves upward, the opening channel area of the discharge port 4 increases, and the mud flow increases.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A quick string pump pipeline system for a dredger, comprising a main pipeline (1), characterized in that: The front end of the main pipeline (1) is communicated with an underwater mud pump (3), the rear end of the main pipeline (1) is fixedly connected with a discharge port (4), the right side of the main pipeline (1) is communicated with two branch pipelines (5) at equal intervals, the right ends of the two branch pipelines (5) are fixedly connected with a plurality of buckles (6) at equal intervals, the right end outer walls of the two buckles (6) are fixedly connected with clamping rings (7), the right sides of the two branch pipelines (5) are provided with connecting pipes (9), the left ends of the two connecting pipes (9) are provided with a plurality of clamping grooves (10) at equal intervals, the left end outer walls of the two connecting pipes (9) are fixedly connected with circular rings (11), the left sides of the two circular rings (11) are provided with circular grooves (12), the outer walls of the two circular rings (11) are rotatably connected with a plurality of fixing bolts (13) at equal intervals, the right ends of the two connecting pipes (9) are fixedly connected with an auxiliary mud pump one (14) and an auxiliary mud pump two (15) respectively, and the rear end of the main pipeline (1) is provided with an adjusting mechanism (2).

2. A rapid string pump conduit system for a dredger as claimed in claim 1, characterised in that: The adjusting mechanism (2) comprises a U-shaped plate (201), the bottom of the U-shaped plate (201) is fixedly connected to the left and right sides of the discharge port (4), the left and right sides of the inside of the U-shaped plate (201) are provided with sliding grooves (202), the inner sides of the two sliding grooves (202) are fixedly connected with telescopic rods (203) at the top, the other ends of the two telescopic rods (203) are fixedly connected with sliding blocks (204), the adjacent sides of the two sliding blocks (204) are fixedly connected with the same horizontal plate (205), the bottom of the horizontal plate (205) is fixedly connected with a baffle (206), and the top of the discharge port (4) is provided with a moving groove (207).

3. A rapid string pump conduit system for a dredger as claimed in claim 1, wherein: The inner sides of the two branch pipelines (5) are communicated with valves (16), and the two valves (16) are fixedly connected to the outer walls of the branch pipelines (5).

4. A rapid string pump conduit system for a dredger as claimed in claim 2, wherein: The top front and back sides of the baffle (206) are fixedly connected with sealing plates (17), and the bottoms of the two sealing plates (17) are attached to the top of the discharge port (4).

5. A rapid string pump conduit system for a dredger as claimed in claim 2, wherein: The front and back sides of the inside of the two sliding grooves (202) are provided with sliding grooves (18), and the front and back sides of the two sliding blocks (204) are fixedly connected with sliding blocks (19).

6. A rapid string pump conduit system for a dredger as claimed in claim 1, characterised in that: The outer walls of the plurality of fixing bolts (13) are slidably connected with gaskets (20), and the outer walls of the plurality of gaskets (20) are attached to the outer walls of the corresponding circular rings (11).

7. A rapid string pump conduit system for a dredger as claimed in claim 1, characterised in that: One end of the plurality of fixing bolts (13) penetrates the circular ring (11) and is rotatably connected in the corresponding reserved hole (8), and the fixing bolt (13) and the reserved hole (8) are matched in size.

8. A rapid string pump conduit system for a dredger as claimed in claim 2, wherein: The baffle (206) is slidably connected with the moving groove (207), and the baffle (206) and the moving groove (207) are matched in size.

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