Large dredging pump unit not prone to being blocked and used for dredger

Abstract

The utility model relates to the technical field of dredging pumps, and discloses a large dredging pump unit for a dredger, which is not easy to block and comprises a top plate, hanging rings are arranged at the front and rear ends of the left and right sides of the top of the top plate, vertical plates are arranged at the left and right sides of the bottom of the top plate, and a shell is arranged between the two vertical plates. According to the difficult-to-block large dredging pump unit for the dredger, a driving motor is started to drive a worm to rotate, then a worm gear is used for driving a mounting shaft and a turntable to rotate so as to drive a shifting rod to rotate, and the shifting rod can extrude the front side and the rear side of the inner wall of a traction frame in the rotating process, so that the front side and the rear side of the inner wall of the traction frame are driven to rotate; according to the sludge suction device, the motor drives the traction frame to move back and forth in a reciprocating mode, then the L-shaped block and the moving block drive the mounting block and the cleaning brush to move back and forth in a reciprocating mode, the cleaning brush can clean impurities attached to the bottom of the filter screen in the moving process, and therefore a sludge-water mixture can smoothly pass through the filter screen, and the sludge suction efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dredging pump technical field, concretely is a large dredging pump unit for dredger not easy to block. BACKGROUND

[0002] The large dredging pump unit for dredger of prior art mainly utilizes the cutter head installed at the lower end of the dredging pump to stir and break the lake bottom silt, and the muddy water mixture is pumped out of the water surface through the pump body, since there are many impurities in the sewage, in order to avoid the blockage of the dredging pump, a filter screen is usually installed in the suction pipe to filter the muddy water mixture, thereby preventing the flow in the pump from being blocked due to the suction of large volume impurities, but the existing dredging pump does not have the function of cleaning the filter screen during actual use, so that large impurities will continuously adhere to the outside of the filter screen, thereby hindering the passage of the muddy water mixture, and further reducing the efficiency of the suction of the mud. SUMMARY

[0003] (I) Technical problems solved

[0004] In view of the deficiencies of the prior art, the utility model provides a large dredging pump unit for dredger not easy to block, which has the advantages of being capable of cleaning the filter screen, and solves the problem that the existing dredging pump does not have the function of cleaning the filter screen during actual use, so that large impurities will continuously adhere to the outside of the filter screen, thereby hindering the passage of the muddy water mixture, and further reducing the efficiency of the suction of the mud.

[0005] (II) Technical solutions

[0006] In order to achieve the above-mentioned cleaning purpose of the filter screen, the utility model provides technical scheme as follows: a large dredging pump unit for dredger which is not easy to block, including roof, the front and back ends of the left and right sides of the top of roof are provided with lifting rings, the left and right sides of the bottom of roof are provided with vertical boards, the shell is arranged between the two vertical boards, the top of shell is provided with dredging pump, the input end of dredging pump extends to the inside of shell and is provided with suction pipe which extends to the bottom of shell, the output end of dredging pump extends to the left side of left vertical board and is provided with flange plate, the inside bottom of suction pipe is provided with filter screen, the inside top wall of shell is provided with two rotating shafts which are respectively located at the left and right sides of suction pipe and extend to the bottom of shell, the left and right sides of the bottom of two rotating shafts are provided with cutter heads, the left and right sides of the inside bottom wall of shell are provided with first drive assemblies which are respectively fixedly connected with the outside of two rotating shafts, the bottom of shell is provided with two connecting blocks which are located at the rear side of suction pipe and are symmetrically distributed in front and back and are provided with moving blocks which extend to the rear side of rear connecting block, the front side of moving block is provided with mounting block, the top of mounting block is provided with cleaning brush which extends to the rear side of suction pipe, the rear side of the inside wall of shell is provided with fixed block, the bottom of fixed block is provided with mounting shaft which extends to the top of fixed block and is movably connected with the inside top wall of shell, the bottom of mounting shaft is provided with rotating disc, the rear side of the bottom of rotating disc is provided with pull lever, the inside wall of shell is provided with traction frame which is sleeved on the outside of pull lever, the rear side of traction frame is provided with L-shaped block which extends to the rear side of shell and is fixedly connected with the rear side of moving block, the outside of mounting shaft is provided with second drive assembly which is fixedly connected with the inside top wall of shell and is movably connected with the rear side of the inside wall of shell.

[0007] Preferably, the first drive assembly includes a servo motor, the inside bottom wall of the shell is fixedly provided with two servo motors which are respectively located at the opposite sides of the two rotating shafts, the output shafts of the two servo motors are fixedly provided with drive gears, the outside of the two rotating shafts is fixedly provided with driven gears which are located in the shell and are respectively engaged with the two drive gears.

[0008] Preferably, the second drive assembly includes a drive motor, the inside top wall of the shell is fixedly provided with a drive motor which is located between the dredging pump and the mounting shaft, the output shaft of the drive motor is fixedly provided with a worm which is located at the left side of the mounting shaft and is movably connected with the rear side of the inside wall of the shell, the outside of the mounting shaft is fixedly provided with a worm wheel which is located above the fixed block and is engaged with the worm.

[0009] Preferably, the left and right sides of the inner top wall of the shell are fixedly provided with first bearings, the rotating shaft is rotatably connected with the inner top wall of the shell through the first bearings, and the left and right sides of the inner bottom wall of the shell are provided with circular holes, and the interiors of the two circular holes are fixedly provided with sealing bearings.

[0010] Preferably, the rear side of the inner top wall of the shell is fixedly provided with a second bearing, the mounting shaft is rotatably connected with the inner top wall of the shell through the second bearing, and the top of the fixed block is provided with a first mounting hole matched with the mounting shaft.

[0011] Preferably, the rear side of the inner wall of the shell is fixedly provided with a third bearing above the fixed block, and the worm is rotatably connected with the rear side of the inner wall of the shell through the third bearing.

[0012] (Three) beneficial effects

[0013] Compared with the prior art, the utility model provides a large -scale dredging pump unit for dredger not easy to block, possesses following beneficial effect:

[0014] The large -scale dredging pump unit for dredger not easy to block, through starting drive motor to drive the worm rotation, and then through worm wheel to drive mounting shaft and rotating disc rotation, to this to drive the rotation of the lever, and the lever in the process of rotation will extrude the front side and rear side of the inner wall of the traction frame, to this to drive the traction frame reciprocating motion, and then through L type block and moving block to drive the mounting block and cleaning brush reciprocating motion, and the cleaning brush in the process of moving will clean the impurities attached to the bottom of the filter screen, so that the sludge mixture can pass through the filter screen smoothly, and then guarantee the efficiency of the mud suction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the right view partial section schematic diagram of the shell of the utility model;

[0017] Figure 3 It is the utility model Figure 1 The enlarged view of A in the utility model;

[0018] Figure 4 It is the utility model Figure 2 The enlarged view of B in the utility model;

[0019] Figure 5 It is the traction frame bottom view partial section schematic diagram of the utility model.

[0020] In the figure: 1 top plate, 2 lifting ring, 3 vertical plate, 4 shell, 5 dredging pump, 6 suction pipe, 7 flange plate, 8 filter screen, 9 rotating shaft, 10 cutter head, 11 first driving assembly, 111 servo motor, 112 driving gear, 113 driven gear, 12 connecting block, 13 moving block, 14 mounting block, 15 cleaning brush, 16 fixed block, 17 mounting shaft, 18 rotating disc, 19 lever, 20 traction frame, 21 L-shaped block, 22 second driving assembly, 221 driving motor, 222 worm, 223 worm wheel. DETAILED DESCRIPTION

[0021] 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 labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-5 The present application provides a technical solution: a large-scale dredging pump unit for a dredger which is not prone to blockage, comprising a top plate 1, lifting rings 2 fixedly installed at the front and rear ends of the top plate 1 on the left and right sides of the top plate 1, vertical plates 3 fixedly installed at the bottom of the top plate 1 on the left and right sides of the top plate 1, a shell 4 fixedly installed between the two vertical plates 3, a dredging pump 5 fixedly installed at the top of the shell 4, a suction pipe 6 fixedly installed at the bottom of the shell 4 and extending into the interior of the shell 4 through the input end of the dredging pump 5, a flange plate 7 fixedly installed at the left side of the left vertical plate 3 and extending from the output end of the dredging pump 5, and a filter screen 8 fixedly installed at the bottom of the suction pipe 6.

[0023] Two rotating shafts 9 are movably installed at the inner top wall of the shell 4 and extend to the bottom of the shell 4 on the left and right sides of the suction pipe 6, first bearings are fixedly installed at the left and right sides of the inner top wall of the shell 4, the rotating shafts 9 are rotatably connected to the inner top wall of the shell 4 through the first bearings, circular holes are formed at the left and right sides of the inner bottom wall of the shell 4, sealing bearings are fixedly installed in the two circular holes, the rotating shafts 9 are rotatably connected to the shell 4 through the sealing bearings, and cutter heads 10 are fixedly installed at the bottom of the left and right sides of the two rotating shafts 9.

[0024] The left and right sides of the inner bottom wall of the shell 4 are fixedly installed with a first drive assembly 11 respectively connected with one end of the two rotating shafts 9, the first drive assembly 11 comprises a servo motor 111, the inner bottom wall of the shell 4 is fixedly installed with two servo motors 111 respectively located at the opposite sides of the two rotating shafts 9, the model of the servo motor 111 can be MR-J2S-10A, the output shaft of the two servo motors 111 is fixedly installed with a drive gear 112, the outer side of the two rotating shafts 9 is fixedly installed with a driven gear 113 located inside the shell 4 and respectively engaged with one end of the two drive gears 112.

[0025] The bottom of the shell 4 is fixedly installed with two connection blocks 12 located at the rear side of the suction pipe 6 and symmetrically distributed in front and back, the front side of the front connection block 12 is movably installed with a moving block 13 extending to the rear side of the rear connection block 12, the front side of the two connection blocks 12 is provided with a second installation hole matched with the moving block 13, the front side of the moving block 13 is fixedly installed with an installation block 14, the top of the installation block 14 is fixedly installed with a cleaning brush 15 extending to the rear side of the suction pipe 6.

[0026] The rear side of the inner wall of the shell 4 is fixedly installed with a fixed block 16, the bottom of the fixed block 16 is movably installed with an installation shaft 17 extending to the top thereof and movably connected with the inner top wall of the shell 4, the rear side of the inner top wall of the shell 4 is fixedly installed with a second bearing, the installation shaft 17 is rotatably connected with the inner top wall of the shell 4 through the second bearing, the top of the fixed block 16 is provided with a first installation hole matched with the installation shaft 17, the bottom of the installation shaft 17 is fixedly installed with a rotating disc 18, the bottom rear side of the rotating disc 18 is fixedly installed with a lever 19, the left and right sides of the inner wall of the shell 4 is movably installed with a traction frame 20 sleeved with one end of the lever 19, the rear side of the traction frame 20 is fixedly installed with an L-shaped block 21 extending to the rear side of the shell 4 and fixedly connected with the rear side of the moving block 13, the rear side of the inner wall of the shell 4 is provided with a third installation hole matched with the L-shaped block 21, the rear side of the inner wall of the shell 4 is fixedly installed with a sealing ring tightly matched with one end of the outer side of the L-shaped block 21.

[0027] The outer side of the installation shaft 17 is fixedly installed with a second drive assembly 22 fixedly connected with one end of the inner top wall of the shell 4 and movably connected with the other end of the rear side of the inner wall of the shell 4, the second drive assembly 22 comprises a drive motor 221, the inner top wall of the shell 4 is fixedly installed with the drive motor 221 located between the dredging pump 5 and the installation shaft 17, the model of the drive motor 221 can be Y355, the output shaft of the drive motor 221 is fixedly installed with a worm 222 located at the left side of the installation shaft 17 and movably connected with the rear side of the inner wall of the shell 4, the rear side of the inner wall of the shell 4 is fixedly installed with a third bearing located above the fixed block 16, the worm 222 is rotatably connected with the rear side of the inner wall of the shell 4 through the third bearing, the outer side of the installation shaft 17 is fixedly installed with a worm gear 223 located above the fixed block 16 and engaged with one end of the worm 222.

[0028] The electric elements in the text are all electrically connected with the controller and the power supply, the control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the power supply also belongs to the common knowledge in the art, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0029] In use, the lifting ring 2 is connected with the hoisting equipment on the dredger, and the flange plate 7 is connected with the mud conveying pipeline, then the dredging pump unit can be put into the mud water through the hoisting equipment, and then the two servo motors 111 are started to drive the two drive gears 112 to rotate, and then the two driven gears 113 are driven to rotate the two shafts 9 and the cutter heads 10, so as to stir and break the silt around the suction pipe 6, and then the dredging pump 5 is started to convey the mud mixture to the inside of the dredger through the suction pipe 6 and the mud conveying pipeline, so as to carry out the dredging operation, at the same time, the driving motor 221 is started to drive the worm 222 to rotate, and then the worm gear 223 is driven to rotate the mounting shaft 17 and the rotating disc 18, so as to drive the push rod 19 to rotate, and the push rod 19 will extrude the front side and the rear side of the inner wall of the traction frame 20 in the rotating process, so as to drive the traction frame 20 to move back and forth, and then the L-shaped block 21 and the moving block 13 drive the mounting block 14 and the cleaning brush 15 to move back and forth, and the cleaning brush 15 will clean the impurities attached to the bottom of the filter screen 8 in the moving process, so that the mud mixture can smoothly pass through the filter screen 8, and the efficiency of dredging is ensured.

[0030] In summary, the large dredging pump unit for dredger not easy to block, through the starting of the driving motor 221 to drive the worm 222 to rotate, and then the worm gear 223 is driven to rotate the mounting shaft 17 and the rotating disc 18, so as to drive the push rod 19 to rotate, and the push rod 19 will extrude the front side and the rear side of the inner wall of the traction frame 20 in the rotating process, so as to drive the traction frame 20 to move back and forth, and then the L-shaped block 21 and the moving block 13 drive the mounting block 14 and the cleaning brush 15 to move back and forth, and the cleaning brush 15 will clean the impurities attached to the bottom of the filter screen 8 in the moving process, so that the mud mixture can smoothly pass through the filter screen 8, and the efficiency of dredging is ensured, solves the problem that many dredging pumps do not have the function of cleaning the filter screen in the actual use process of the existing dredging pump, so that the large impurities will continuously adhere to the outside of the filter screen, thereby hindering the passing of the mud mixture, and reducing the efficiency of dredging.

[0031] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0032] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A large dredge pump unit for dredger which is not easy to be blocked, comprising a top plate (1), both ends of the top plate (1) are provided with lifting rings (2), the bottom of the top plate (1) is provided with vertical plates (3), a shell (4) is arranged between the two vertical plates (3), the top of the shell (4) is provided with a dredge pump (5), the input end of the dredge pump (5) extends to the inside of the shell (4) and is provided with a suction pipe (6) which extends to the bottom of the shell (4), the output end of the dredge pump (5) extends to the left side of the left vertical plate (3) and is provided with a flange plate (7), the inside bottom of the suction pipe (6) is provided with a filter screen (8), the inside top wall of the shell (4) is provided with two rotating shafts (9) which are respectively located on the left and right sides of the suction pipe (6) and extend to the bottom of the shell (4), the left and right sides of the bottom of the two rotating shafts (9) are provided with cutter heads (10), the left and right sides of the inside bottom wall of the shell (4) are provided with first driving assemblies (11) which are respectively fixedly connected with the outer sides of the two rotating shafts (9), characterized in that: The bottom of the shell (4) is provided with two connecting blocks (12) located at the rear side of the suction pipe (6) and symmetrically distributed front and back, the front side of the front connecting block (12) is provided with a moving block (13) extending to the rear side of the rear connecting block (12), the front side of the moving block (13) is provided with a mounting block (14), the top of the mounting block (14) is provided with a cleaning brush (15) extending to the rear side of the suction pipe (6), the rear side of the inner wall of the shell (4) is provided with a fixed block (16), the bottom of the fixed block (16) is provided with a mounting shaft (17) extending to the top thereof and movably connected with the inner top wall of the shell (4), the bottom of the mounting shaft (17) is provided with a rotating disc (18), the rear side of the bottom of the rotating disc (18) is provided with a lever (19), the left and right sides of the inner wall of the shell (4) is provided with a traction frame (20) sleeved on the outer side of the lever (19), the rear side of the traction frame (20) is provided with an L-shaped block (21) extending to the rear side of the shell (4) and fixedly connected with the rear side of the moving block (13), the outer side of the mounting shaft (17) is provided with a second drive assembly (22) fixedly connected with the inner top wall of the shell (4) at one end and movably connected with the rear side of the inner wall of the shell (4) at the other end.

2. A large dredge pump unit for a dredger that is not prone to clogging, according to claim 1, characterized in that: The first drive assembly (11) comprises a servo motor (111), the inner bottom wall of the shell (4) is fixedly provided with two servo motors (111) located at the opposite sides of the two rotating shafts (9), the output shafts of the two servo motors (111) are fixedly provided with drive gears (112), the outer sides of the two rotating shafts (9) are fixedly provided with driven gears (113) located in the shell (4) and engaged with the two drive gears (112) at one end respectively.

3. A large dredge pump unit for a dredger that is not prone to clogging, according to claim 1, characterized in that: The second drive assembly (22) comprises a drive motor (221), the inner top wall of the shell (4) is fixedly provided with a drive motor (221) located between the dredging pump (5) and the mounting shaft (17), the output shaft of the drive motor (221) is fixedly provided with a worm (222) located on the left side of the mounting shaft (17) and movably connected with the rear side of the inner wall of the shell (4) at one end, the outer side of the mounting shaft (17) is fixedly provided with a worm wheel (223) located above the fixed block (16) and engaged with the worm (222) at one end.

4. A large dredge pump unit for a dredger that is not prone to clogging, according to claim 1, characterized in that: The left and right sides of the inner top wall of the shell (4) are fixedly provided with first bearings, the rotating shafts (9) are rotatably connected with the inner top wall of the shell (4) through the first bearings, the left and right sides of the inner bottom wall of the shell (4) are provided with circular holes, and the interiors of the two circular holes are fixedly provided with sealed bearings, the rotating shafts (9) are rotatably connected with the shell (4) through the sealed bearings.

5. A large dredge pump unit for a dredger that is not prone to clogging, according to claim 1, characterized in that: The rear side of the inner top wall of the shell (4) is fixedly provided with a second bearing, the mounting shaft (17) is rotatably connected with the inner top wall of the shell (4) through the second bearing, and the top of the fixed block (16) is provided with a first mounting hole matched with the mounting shaft (17).

6. A large dredge pump set for a dredger which is not easy to be clogged according to claim 3, characterized in that: The inner wall rear side of the shell (4) is fixedly provided with a third bearing above the fixed block (16), and the worm (222) is rotatably connected with the inner wall rear side of the shell (4) through the third bearing.

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