CN107059767B

CN107059767B - Dirt cleaning machine

Info

Publication number: CN107059767B
Application number: CN201710184313.0A
Authority: CN
Inventors: 洪盛荣; 梁天江; 张惠明
Original assignee: Sichuan Orient Hydroelectric Equipment and Engineering Co Ltd
Current assignee: Dongfang Water Conservancy Intelligent Technology Co ltd
Priority date: 2017-03-24
Filing date: 2017-03-24
Publication date: 2022-11-08
Anticipated expiration: 2037-03-24
Also published as: CN107059767A

Abstract

The invention discloses a trash remover which comprises a grab bucket, wherein a crushing device for crushing trash underwater is arranged in the grab bucket. The invention solves the technical problem that the sewage in the grab bucket can be crushed after being grabbed underwater, the size of the sewage is reduced so that the sewage can smoothly pass through the sewage blocking fence, the sewage does not need to be fished out of the water for treatment, the treatment process is simplified, the treatment efficiency is improved, and the treatment cost is reduced.

Description

Dirt cleaning machine

Technical Field

The invention relates to the field of hydraulic and hydroelectric engineering, in particular to a trash remover.

Background

With the increasing environmental pollution, the threats of the hydropower stations and the pump stations by the dirt such as tree branches and leaves, crop weeds, household garbage and the like are increased. In order to ensure that the hydropower station and the pump station can safely and normally operate, a trash remover is usually arranged so as to remove dirt at the bottom of a dam of the hydropower station and attached to a trash rack under the condition of not stopping and emptying a reservoir area.

In the prior art, a grab bucket type trash remover is usually used for removing dirt, for example, the prior art with the Chinese patent publication number of "CN204849715U" discloses a mechanical pressurization type trash remover in 2015, 12 months and 9 days, and the technical scheme is as follows: including changeing harrow, forming relieved tooth, harrow rack and setting and carrying out the hoisting mechanism and the closing mechanism that operate to the grab bucket of decontaminating on the trash cleaning machine, the forming relieved tooth is installed in the lower part of harrow rack, changes the harrow and installs the opposite side at harrow rack and relative with the forming relieved tooth, the grab bucket of decontaminating still including the link mechanism who connects harrow rack and commentaries on classics harrow, link mechanism drives the change harrow switching through the closing rope of the closing mechanism who links to each other with it, and hoisting mechanism's hoisting rope passes through the leading wheel device on the harrow rack and connects on link mechanism. In the prior art represented by this patent document, the decontamination process usually includes the following steps: 1. the grab bucket is opened and the shovel teeth are lowered to the water along the trash rack; 2. the grab bucket is closed to grab the dirt and lift the dirt out of the water surface; 3. and the grab bucket is moved to convey the grabbed dirt to a dirt collecting position, and one-time dirt cleaning is completed. However, in the actual use process, the grab bucket needs to fish out the sewage on the water surface for treatment, and has the defects of complex sewage treatment process, low treatment efficiency, high treatment cost and the like. In addition, because there is the great stereoplasm filth of volume often on the trash rack, like wood or stone etc. this just makes the relieving often blocked by the filth on the trash rack at the in-process that moves down along the trash rack, and then leads to the effective downstream of grab bucket.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a trash remover, which can crush the dirt in a grab bucket after the dirt is grabbed underwater, reduce the size of the dirt to enable the dirt to smoothly pass through a trash rack without fishing out the dirt on the water surface for treatment, simplify the treatment process, improve the treatment efficiency and reduce the treatment cost.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a trash cleaning machine which characterized in that: the underwater sewage treatment device comprises a grab bucket, wherein a crushing device for crushing sewage underwater is arranged in the grab bucket.

The crushing device comprises a crushing roller and an auxiliary barrel, wherein the crushing roller and the auxiliary barrel are matched to crush dirt.

The crushing device further comprises a base, V-shaped connecting rods and a driving hydraulic cylinder, wherein the driving hydraulic cylinder is movably connected to the grab bucket bracket, the base is fixed in the grab bucket, the auxiliary cylinder is arranged on the base, the V-shaped connecting rods are arranged at two ends of the auxiliary cylinder, one end of each V-shaped connecting rod is connected with the crushing roller, and the other end of each V-shaped connecting rod is movably connected with a piston rod of the driving hydraulic cylinder; the driving hydraulic cylinder drives the crushing roller to swing around the axis of the auxiliary cylinder through the V-shaped connecting rod.

The auxiliary cylinder is fixedly arranged on the seat body, and the V-shaped connecting rod is movably connected to two ends of the auxiliary cylinder through bearings.

The auxiliary cylinder is movably arranged on the base body through a bearing, and the V-shaped connecting rods are fixedly connected to two ends of the auxiliary cylinder.

The auxiliary cylinder is fixedly provided with a fixed cutter protruding out of the outer surface of the auxiliary cylinder.

The auxiliary cylinder is provided with a notch, and the fixed cutter is fixed on the notch through a bolt.

The outer surface of the auxiliary cylinder is fixedly provided with a connecting strip, and the fixed cutter is fixed on the connecting strip through a bolt.

The fixed knife is one or more.

The crushing roller is internally provided with a driving mechanism for driving the crushing roller to rotate, the driving mechanism comprises a motor, a speed reducer, a driving flange and a connecting flange, the driving flange is fixed on the inner wall of the crushing roller, one end of the connecting flange is fixedly connected with a V-shaped connecting rod, and the other end of the connecting flange extends into the crushing roller, the motor is fixed in the connecting flange, and the motor is connected with the driving flange through the speed reducer.

The motor is an electric motor or a hydraulic motor.

And a crushing knife is fixedly arranged on the outer surface of the crushing roller.

A plurality of T-shaped grooves are formed in the outer surface of the crushing roller and are uniformly arranged along the direction parallel to the axial lead of the crushing roller, and a plurality of crushing cutters are fixedly arranged in each T-shaped groove.

The crushing cutter is of an I-shaped structure, the front ends of the upper flange and the web plate are cutting edges, the lower end of the crushing cutter is a connecting seat, and the connecting seat is fixed in the T-shaped groove.

The crushing cutter is arranged in the T-shaped groove through a positioning pressing block and a bolt.

The grab bucket comprises a relieving tooth, the relieving tooth is connected with a control mechanism connected to the grab bucket support, and the control mechanism is used for controlling the relieving tooth to stretch out and draw back.

The control mechanism comprises guide rails and a control hydraulic cylinder, the guide rails are symmetrically fixed at the lower end of the grab bucket support, the relieving teeth are located between the guide rails, the control hydraulic cylinder is fixed on the grab bucket support, and a piston rod of the control hydraulic cylinder is connected with the relieving teeth.

The control hydraulic cylinders are symmetrically fixed on the grab bucket bracket.

The guide rail is of a U-shaped structure.

The invention has the advantages that:

1. according to the invention, through the crushing device arranged in the grab bucket, the sewage in the grab bucket can be directly crushed after being grabbed underwater, the size of the sewage is reduced so that the sewage can smoothly pass through the trash rack, and the sewage does not need to be fished out of the water surface for treatment.

2. The invention adopts the crushing roller and the auxiliary cylinder to crush the dirt, has the advantages of large crushing strength and capability of effectively crushing the dirt, and can prevent the dirt from escaping from the grab bucket through the auxiliary cylinder.

3. According to the invention, the driving hydraulic cylinder drives the crushing roller to swing around the axial lead of the auxiliary cylinder through the V-shaped connecting rod, so that the crushing range of the dirt can be enlarged, namely, the dirt in the grab bucket can be crushed at one time.

4. The structure of the invention fixedly mounting the auxiliary cylinder on the seat body can increase the crushing force of the crushing roller and improve the crushing efficiency.

5. According to the invention, the fixed cutter fixedly arranged on the outer surface of the auxiliary cylinder can block and shear dirt when the crushing roller rotates for crushing, so that the dirt is effectively crushed, and the crushing effect is favorably improved. And with the structure of auxiliary cylinder movable mounting on the pedestal, then enable the stationary knife of installing on auxiliary cylinder and adjust self position along with crushing roller's motion in real time, improve crushing efficiency.

6. The structure of fixing the fixed cutter on the notch on the outer surface of the auxiliary cylinder through the bolt has the advantages of good fixing effect and convenience in disassembly, assembly and replacement.

7. The structure of fixing the fixed cutter on the connecting strip through the bolt has the advantages of good fixing effect and convenience in disassembly, assembly and replacement.

8. According to the invention, the driving mechanism for driving the crushing roller to rotate is arranged in the crushing roller, so that the effective crushing length of the crushing roller is increased, the dead zone on the trash rack, which cannot be cleaned, is reduced, and the cleaning effect is better.

9. According to the invention, the crushing cutter arranged on the outer surface of the crushing roller can be used for quickly crushing dirt, and even if the dirt contains hard objects, the dirt can be effectively and quickly crushed, so that the crushing effect and the crushing efficiency are greatly improved.

10. The crushing cutter adopting the I-shaped structure can not only be stably fixed on the crushing roller, but also have good chip removal effect, and the crushing efficiency is improved.

11. According to the invention, the crushing knife with the I-shaped structure is fixed in the T-shaped groove through the positioning pressing block and the bolt, so that the crushing knife can be effectively fixed and limited, the crushing knife is prevented from falling off the crushing roller, and the use safety of the crushing roller is improved.

12. According to the invention, the existing fixed type forming relieved tooth is improved into the telescopic type forming relieved tooth which is controlled to be telescopic by the control mechanism, and the improved telescopic type forming relieved tooth can automatically contract upwards when being blocked by dirt, so that an effective space is provided for a crushing device to treat the dirt, and the problem that a grab bucket cannot effectively move downwards due to the blockage of the dirt in the prior art is solved.

13. The guide rail with the U-shaped structure can effectively limit the shovel teeth, so that the shovel teeth can only move within the limited range of the guide rail. Meanwhile, the structure that the guide rail is matched with the control hydraulic cylinder to control the extension of the shovel teeth is adopted, and the resistance of the shovel teeth in the extension process is reduced.

Drawings

Fig. 1 is a schematic front view of the structure of embodiment 1.

Fig. 2 is a schematic view of a connecting structure of the auxiliary cylinder and the stationary knife in embodiment 1.

Fig. 3 is a right-view structural diagram of embodiment 1.

Fig. 4 is a schematic structural view of embodiment 2.

Fig. 5 is a schematic view of a connecting structure of the auxiliary cylinder and the stationary knife in embodiment 2.

Fig. 6 is a schematic structural view of embodiment 3.

Fig. 7 is a schematic view of the connection structure of the crushing roller and the driving mechanism in embodiment 4.

Fig. 8 is a front view schematically showing the structure of the crushing drum in embodiment 5.

Fig. 9 is a right-side view schematically showing the construction of the crushing roller according to embodiment 5.

Fig. 10 is a schematic sectional view a-a of fig. 8.

Fig. 11 is an enlarged schematic view of the structure at I in fig. 10.

FIGS. 12 to 14 are schematic views of three structures of example 6.

The reference numbers in the figures are: 1. grab bucket support, 2, forming relieved tooth, 3, rotary harrow, 4, crushing cylinder, 5, auxiliary cylinder, 6, pedestal, 7, V-arrangement connecting rod, 8, stationary knife, 9, connecting strip, 10, motor, 11, crushing knife, 12, location briquetting, 13, flange, 14, drive flange, 15, centre gripping hydraulic cylinder, 16, drive hydraulic cylinder, 17, reduction gear, 18, control hydraulic cylinder, 19, guide rail.

Detailed Description

Example 1

A trash remover comprises a grab bucket, wherein a crushing device used for crushing dirt underwater is arranged in the grab bucket. The crushing device comprises a crushing roller 4 and an auxiliary barrel 5, wherein the crushing roller 4 can rotate at a high speed underwater, and the crushing roller 4 rotating at the high speed and the auxiliary barrel 5 are matched to crush dirt.

In this embodiment, the crushing device further comprises a seat body 6, a V-shaped connecting rod 7 and a driving hydraulic cylinder 16, and the number of the seat body 6, the number of the V-shaped connecting rod 7 and the number of the driving hydraulic cylinder 16 are preferably two; wherein, the cylinder barrel ends of the two sets of driving hydraulic cylinders 16 are movably connected with the two ends of the grab bucket bracket 1 through bearings, and the two sets of driving hydraulic cylinders 16 are symmetrical. Two sets of seat bodies 6 are fixed in the grab bucket, shafts at two ends of the auxiliary cylinder 5 are respectively and movably arranged on the two sets of seat bodies 6 through bearings, and the auxiliary cylinder 5 can swing on the seat bodies 6. Two sets of V-shaped connecting rods 7 are respectively and fixedly connected on the shafts at the two ends of the auxiliary cylinder 5, and the V-shaped connecting rods 7 can be fixed at the position between the seat body 6 and the auxiliary cylinder 5 and also can be fixed at the end part of the shaft neck of the auxiliary cylinder 5 extending out of the seat body 6; one end of the V-shaped connecting rod 7 is connected with the crushing roller 4, and the other end is movably connected with a piston rod of the driving hydraulic cylinder 16. When the dirt is crushed, the driving hydraulic cylinder 16 drives the crushing roller 4 rotating at a high speed through the V-shaped connecting rod 7 to swing around the axial lead of the auxiliary cylinder 5 in the grab bucket.

In this embodiment, the auxiliary barrel 5 is fixedly provided with a fixed knife 8 protruding from an outer surface thereof, the auxiliary barrel 5 is provided with a notch, and the fixed knife 8 is fixed on the notch through a bolt. Furthermore, the number of the fixed knives 8 is one or more, and when the number of the fixed knives 8 is more than one, the fixed knives 8 are arranged in a row on the surface of the auxiliary cylinder 5 along the axis line parallel to the auxiliary cylinder 5. Wherein, the fixed knife 8, the auxiliary cylinder 5 and the V-shaped connecting rod 7 are integrated and are always relatively static, so that the crushing gap between the fixed knife 8 and the crushing knife 11 on the auxiliary cylinder 5 can be ensured to be always kept unchanged, thereby effectively crushing the dirt and ensuring the crushing quality.

In this embodiment, the grab bucket includes forming relieved tooth 2 and commentaries on classics harrow 3, forming relieved tooth 2 is fixed forming relieved tooth, fixed connection is in the lower part of grab bucket support 1, change harrow 3 swing joint in the lower part of grab bucket support 1, and change harrow 3 and rotate by the control of the centre gripping pneumatic cylinder 15 of connection on grab bucket support 1. Furthermore, the two sets of seat bodies 6 are symmetrically fixed on the relieving 2.

The working principle of the embodiment is as follows: the piston rod of the clamping hydraulic cylinder 15 is controlled to contract at first, the rotary rake 3 is opened, then the piston rod of the driving hydraulic cylinder 16 is controlled to contract to enable the crushing roller 4 to be in a high position, then the grab bucket is placed into the water bottom through external equipment, after dirt enters the grab bucket, the piston rod of the clamping hydraulic cylinder 15 is controlled to extend out, the rotary rake 3 is closed, the dirt is grabbed in the grab bucket through the shovel teeth 2, the piston rod of the driving hydraulic cylinder 16 is controlled to extend out immediately, and the crushing roller 4 which rotates at a high speed is driven to crush around the axial lead of the auxiliary cylinder 5 through the V-shaped connecting rod 7. Since the V-shaped link 7 is fixedly connected to the auxiliary drum 5, when the crushing drum 4 swings, the fixed knife 8 on the auxiliary drum 5 also swings together, so that the crushing gap between the fixed knife 8 and the crushing knife 11 is always kept constant. When a piston rod of the hydraulic cylinder 16 is driven to extend to a certain degree and the crushing roller 4 is at a low position, dirt in the grab bucket is completely crushed, the size of the crushed dirt is reduced, and the crushed dirt can be automatically taken away by water flow through the shovel teeth 2 and the trash rack under the drive of the water flow. Then the rotary harrow 3 is opened again, and the next crushing can be carried out.

Example 2

This example is substantially the same as example 1, with the main differences: the outer surface of the auxiliary cylinder 5 is fixedly provided with a connecting strip 9, and the fixed knife 8 is fixed on the connecting strip 9 through a bolt. Wherein, the connecting strip 9 is fixed on the auxiliary cylinder 5 through a bolt or integrally formed.

Example 3

The utility model provides a trash remover, includes the grab bucket, be provided with the breaker that is used for broken filth under water in the grab bucket. The crushing device comprises a crushing roller 4 and an auxiliary barrel 5, wherein the crushing roller 4 can rotate at a high speed underwater, and the crushing roller 4 rotating at a high speed and the auxiliary barrel 5 are matched to crush dirt.

In this embodiment, the crushing device further includes a seat body 6, a V-shaped connecting rod 7 and a driving hydraulic cylinder 16, and the number of the seat body 6, the number of the V-shaped connecting rod 7 and the number of the driving hydraulic cylinder 16 are preferably two; wherein, the cylinder barrel ends of the two sets of driving hydraulic cylinders 16 are movably connected with the two ends of the grab bucket bracket 1 through bearings, and the two sets of driving hydraulic cylinders 16 are symmetrical. Two sets of seat bodies 6 are fixed in the grab bucket, shafts at two ends of the auxiliary cylinder 5 are respectively and fixedly arranged on the two sets of seat bodies 6, and the auxiliary cylinder 5 cannot rotate on the seat bodies 6. The two sets of V-shaped connecting rods 7 are respectively and movably connected on the shafts at the two ends of the auxiliary cylinder 5 through bearings, and the V-shaped connecting rods 7 can be fixed at the position between the seat body 6 and the auxiliary cylinder 5 and also can be fixed at the end part of a shaft neck of the auxiliary cylinder 5 extending out of the seat body 6; one end of the V-shaped connecting rod 7 is connected with the crushing roller 4, and the other end is movably connected with a piston rod of the driving hydraulic cylinder 16. When the dirt is crushed, the driving hydraulic cylinder 16 drives the crushing roller 4 rotating at a high speed to swing around the axial lead of the auxiliary cylinder 5 in the grab bucket through the V-shaped connecting rod 7.

The working principle of the embodiment is as follows: firstly, the piston rod of the clamping hydraulic cylinder 15 is controlled to contract, the rotary harrow 3 is opened, then the piston rod of the driving hydraulic cylinder 16 is controlled to contract, the crushing roller 4 is positioned at a high position, then the grab bucket is placed under the water through external equipment, after dirt enters the grab bucket, the piston rod of the clamping hydraulic cylinder 15 is controlled to extend, the rotary harrow 3 is closed, the dirt is grabbed in the grab bucket by matching with the shovel teeth 2, the piston rod of the driving hydraulic cylinder 16 is immediately controlled to extend, and the crushing roller 4 which rotates at a high speed is driven to crush around the axial lead of the auxiliary cylinder 5 through the V-shaped connecting rod 7. During crushing, the fixed auxiliary drum 5 provides support for the crushing drum 4 to crush the dirt. When a piston rod of the hydraulic cylinder 16 is driven to extend to a certain degree and the crushing roller 4 is at a low position, dirt in the grab bucket is completely crushed, the size of the crushed dirt is reduced, and the crushed dirt can be automatically taken away by water flow through the shovel teeth 2 and the trash rack under the drive of the water flow. Then the rotary harrow 3 is opened again, and the next crushing can be carried out.

Example 4

In this embodiment, the crushing device further comprises a seat body 6, a V-shaped connecting rod 7 and a driving hydraulic cylinder 16, and the number of the seat body 6, the number of the V-shaped connecting rod 7 and the number of the driving hydraulic cylinder 16 are preferably two; the cylinder ends of the two sets of driving hydraulic cylinders 16 are movably connected to the two ends of the grab bucket support 1 through bearings, and the two sets of driving hydraulic cylinders 16 are symmetrical. The two sets of seat bodies 6 are fixed in the grab bucket, the auxiliary cylinder 5 is respectively arranged on the two sets of seat bodies 6 through shafts at two ends, the two sets of V-shaped connecting rods 7 are respectively connected on the shafts at two ends of the auxiliary cylinder 5, and the V-shaped connecting rods can be connected between the seat bodies 6 and the auxiliary cylinder 5 or can be connected at the end part of a shaft neck of the auxiliary cylinder 5 extending out of the seat bodies 6; one end of the V-shaped connecting rod 7 is connected with the crushing roller 4, and the other end is movably connected with a piston rod of the driving hydraulic cylinder 16. When the dirt is crushed, the driving hydraulic cylinder 16 drives the crushing roller 4 rotating at a high speed through the V-shaped connecting rod 7 to swing around the axial lead of the auxiliary cylinder 5 in the grab bucket.

In this embodiment, a driving mechanism for driving the crushing roller 4 to rotate is disposed in the crushing roller 4, and the number of the driving mechanisms may be two or one according to the size of the crushing force. When the number of the two sets of the driving mechanisms is two, the two sets of the driving mechanisms are symmetrically arranged at two ends in the crushing roller 4. The driving mechanism comprises a motor 10, a speed reducer 17, a driving flange 14 and a connecting flange 13, wherein the motor 10 is an electric motor or a hydraulic motor. The driving flange 14 is fixed on the inner wall of the crushing roller 4, one end of the connecting flange 13 is fixedly connected with the V-shaped connecting rod 7, the other end of the connecting flange extends into the crushing roller 4, the motor 10 is fixedly arranged in the connecting flange 13, and the power output end of the motor 10 is connected with the driving flange 14 through a speed reducer 17; when crushing dirt, the motor 10 drives the crushing drum 4 to rotate at a high speed through the speed reducer 17 and the driving flange 14. When the driving mechanism is a set, a shaft is fixedly connected to the center of the non-driving end of the crushing roller, and the shaft is rotatably supported on the V-shaped connecting rod through a bearing.

Example 5

A trash remover comprises a grab bucket, wherein a crushing device used for crushing dirt underwater is arranged in the grab bucket. The crushing device comprises a crushing roller 4 and an auxiliary barrel 5, wherein the crushing roller 4 can rotate at a high speed underwater, and the crushing roller 4 rotating at a high speed and the auxiliary barrel 5 are matched to crush dirt.

In this embodiment, the crushing device further includes a seat body 6, a V-shaped connecting rod 7 and a driving hydraulic cylinder 16, and the number of the seat body 6, the number of the V-shaped connecting rod 7 and the number of the driving hydraulic cylinder 16 are preferably two; wherein, the cylinder barrel ends of the two sets of driving hydraulic cylinders 16 are movably connected with the two ends of the grab bucket bracket 1 through bearings, and the two sets of driving hydraulic cylinders 16 are symmetrical. The two sets of seat bodies 6 are fixed in the grab bucket, the auxiliary cylinder 5 is respectively arranged on the two sets of seat bodies 6 through shafts at two ends, the two sets of V-shaped connecting rods 7 are respectively connected on the shafts at two ends of the auxiliary cylinder 5, and the V-shaped rods can be connected between the seat bodies 6 and the auxiliary cylinder 5 and also can be connected at the end part of a shaft neck of the auxiliary cylinder 5 extending out of the seat bodies 6; one end of the V-shaped connecting rod 7 is connected with the crushing roller 4, and the other end is movably connected with a piston rod of the driving hydraulic cylinder 16. When the dirt is crushed, the driving hydraulic cylinder 16 drives the crushing roller 4 rotating at a high speed to swing around the axial lead of the auxiliary cylinder 5 in the grab bucket through the V-shaped connecting rod 7.

In this embodiment, a driving mechanism for driving the crushing roller 4 to rotate is disposed in the crushing roller 4, and the number of the driving mechanisms may be two or one according to the size of the crushing force. When two sets are provided, the two sets of driving mechanisms are symmetrically arranged at two ends in the crushing roller 4. The driving mechanism comprises a motor 10, a speed reducer 17, a driving flange 14 and a connecting flange 13, wherein the motor 10 is an electric motor or a hydraulic motor. The driving flange 14 is fixed on the inner wall of the crushing roller 4, one end of the connecting flange 13 is fixedly connected with the V-shaped connecting rod 7, the other end of the connecting flange extends into the crushing roller 4, the motor 10 is fixedly arranged in the connecting flange 13, and the motor 10 is connected with the driving flange 14 through a speed reducer 17; when crushing dirt, the motor 10 drives the crushing roller 4 to rotate at a high speed through the driving flange 14. When the driving mechanism is a set, a shaft is fixedly connected to the center of the non-driving end of the crushing roller, and the shaft is rotatably supported on the V-shaped connecting rod through a bearing.

In this embodiment, a crushing knife 11 is fixedly disposed on the outer surface of the crushing drum 4. The concrete structure is as follows: a plurality of T-shaped grooves are formed in the outer surface of the crushing roller 4, the T-shaped grooves are evenly distributed along the axial lead direction of the crushing roller 4, and a plurality of crushing cutters 11 are fixedly arranged in each T-shaped groove. The crushing cutter 11 is of an I-shaped structure, the front ends of the upper flange and the web are cutting edges, the lower end of the crushing cutter is a connecting seat, and the connecting seat is installed in the T-shaped groove through a positioning pressing block 12 and a bolt. During installation, the crushing cutter 11 and the positioning pressing block 12 are inserted into the T-shaped groove at intervals and then fixed through bolts. The number and the interval of the crushing knives 11 in the same T-shaped groove can be adjusted by increasing or decreasing the number of the positioning pressing blocks 12.

Example 6

On the basis of any one of the foregoing embodiments 1 to 5, the present embodiment further provides a grab bucket, where the structure of the grab bucket is: the shovel tooth 2 is connected with a control mechanism connected to the grab bucket support 1, and the control mechanism is used for controlling the shovel tooth 2 to stretch and retract.

In this embodiment, the control mechanism includes guide rail 19 and control hydraulic cylinder 18, guide rail 19 symmetry is fixed at the lower extreme of grab bucket support 1, forming relieved tooth 2 is located between guide rail 19, the preferred two sets of quantity of control hydraulic cylinder 18, and two sets of control hydraulic cylinder 18 symmetry are fixed on grab bucket support 1, the piston rod of control hydraulic cylinder 18 is connected with forming relieved tooth 2, control hydraulic cylinder 18 is used for controlling forming relieved tooth 2 and stretches out and draws back in guide rail 19. Furthermore, the two sets of seat bodies 6 are symmetrically fixed at the lower ends of the two guide rails 19.

In this embodiment, the guide rail 19 has a U-shaped structure, and the guide rail 19 may be made of channel steel.

The working principle of the embodiment is as follows: firstly, the piston rod of the clamping hydraulic cylinder 15 is controlled to contract, the rotary harrow 3 is opened, then the piston rod of the driving hydraulic cylinder 16 is controlled to contract, the crushing roller 4 is positioned at a high position, and then the grab bucket is placed into the water bottom through external equipment. In the lowering process, the shovel teeth 2 move downwards along the trash rack, when the trash rack is blocked by large-size dirt, the shovel teeth 2 are controlled to shrink through the control hydraulic cylinder 18 until the lower ends of the shovel teeth 2 are located in the guide rail 19, and preferably, the lower ends of the shovel teeth 2 shrink to be flush with the lower end of the guide rail 19. Then, the crushing roller 4 is started to rotate through the driving mechanism, a piston rod of the driving hydraulic cylinder 16 is controlled to extend out, and the crushing roller 4 rotating at a high speed is driven to move downwards around the axial lead of the auxiliary cylinder 5 through the V-shaped connecting rod 7 so as to crush the blocked dirt. Since the tooth 2 is located in the guide rail 19, it is possible to efficiently crush the dirt without blocking the crushing. After crushing, the crushing roller 4 is reset, the relieving teeth 2 are reset under the control of the hydraulic cylinder 18, and then the grab bucket method can continue to move downwards along the trash rack until the set position is reached. After the dirt enters the grab bucket, a piston rod of the clamping hydraulic cylinder 15 is controlled to extend out, so that the rotary rake 3 is closed, the dirt is grabbed in the grab bucket by matching with the shovel teeth 2, and the crushing roller 4 is started to rotate through the driving mechanism. And simultaneously, a piston rod of the driving hydraulic cylinder 16 is controlled to extend out, and the crushing roller 4 rotating at a high speed is driven by the V-shaped connecting rod 7 to crush around the axial lead of the auxiliary cylinder 5. When a piston rod of the hydraulic cylinder 16 is driven to extend to a certain degree and the crushing roller 4 is at a low position, dirt in the grab bucket is completely crushed, the size of the crushed dirt is reduced, and the crushed dirt can be automatically taken away by water flow through the shovel teeth 2 and the trash rack under the drive of the water flow. Then the rotary harrow 3 is opened again, and the next crushing can be carried out.

Claims

1. The utility model provides a trash cleaning machine which characterized in that: the underwater sewage treatment device comprises a grab bucket, wherein a crushing device for crushing sewage underwater is arranged in the grab bucket;

the crushing device comprises a crushing roller (4) and an auxiliary barrel (5), the crushing roller (4) can swing around the axial lead of the auxiliary barrel (5) in the grab bucket, the crushing roller (4) can rotate at high speed underwater, and the crushing roller (4) rotating at high speed and the auxiliary barrel (5) are matched to crush dirt;

the crushing device further comprises a base body (6), a V-shaped connecting rod (7) and a driving hydraulic cylinder (16), wherein the driving hydraulic cylinder (16) is movably connected to the grab bucket support (1), the base body (6) is fixed in the grab bucket, the auxiliary cylinder (5) is installed on the base body (6), the auxiliary cylinder (5) cannot rotate on the base body (6), the V-shaped connecting rods (7) are arranged at two ends of the auxiliary cylinder (5), one end of each V-shaped connecting rod (7) is connected with the crushing roller (4), and the other end of each V-shaped connecting rod is movably connected with a piston rod of the driving hydraulic cylinder (16); the driving hydraulic cylinder (16) drives the crushing roller (4) to swing around the axis line of the auxiliary cylinder (5) through the V-shaped connecting rod (7);

the grab bucket comprises a relieving tooth (2), the relieving tooth (2) is connected with a control mechanism connected to the grab bucket support (1), and the control mechanism is used for controlling the relieving tooth (2) to stretch.

2. The trash remover as claimed in claim 1, wherein: the auxiliary cylinder (5) is fixedly arranged on the base body (6), and the V-shaped connecting rods (7) are movably connected to two ends of the auxiliary cylinder (5) through bearings.

3. The trash remover as claimed in claim 1, wherein: the auxiliary cylinder (5) is fixedly provided with a fixed cutter (8) protruding out of the outer surface of the auxiliary cylinder.

4. The trash remover as claimed in claim 3, wherein: a notch is formed in the auxiliary barrel (5), and the fixed cutter (8) is fixed to the notch through a bolt.

5. The trash remover of claim 3, wherein: the outer surface of the auxiliary cylinder (5) is fixedly provided with a connecting strip (9), and the fixed knife (8) is fixed on the connecting strip (9) through a bolt.

6. The trash remover of claim 1, wherein: be provided with in broken cylinder (4) and be used for driving broken cylinder (4) pivoted actuating mechanism, actuating mechanism includes motor (10), reduction gear (17), driving flange (14) and flange (13), the inner wall in broken cylinder (4) is fixed in driving flange (14), the one end and the V-arrangement connecting rod (7) fixed connection of flange (13), other one end stretches into in broken cylinder (4), motor (10) are fixed in flange (13), motor (10) are connected with driving flange (14) through reduction gear (17).

7. The trash remover of any one of claims 1, 2, 3, or 6, wherein: and a crushing knife (11) is fixedly arranged on the outer surface of the crushing roller (4).

8. The trash remover of claim 7, wherein: a plurality of T-shaped grooves are formed in the outer surface of the crushing roller (4), the T-shaped grooves are evenly distributed along the direction parallel to the axial lead of the crushing roller (4), and a plurality of crushing cutters (11) are fixedly arranged in each T-shaped groove.

9. The trash remover of claim 8, wherein: the crushing cutter (11) is of an I-shaped structure, the front ends of the upper flange and the web are cutting edges, the lower end of the crushing cutter is a connecting seat, and the connecting seat is fixed in the T-shaped groove.

10. The trash remover as claimed in claim 8 or 9, wherein: the crushing knife (11) is installed in the T-shaped groove through a positioning pressing block (12) and a bolt.

11. The trash remover as claimed in any one of claims 1-6, 8-9, wherein: the control mechanism comprises a guide rail (19) and a control hydraulic cylinder (18), the guide rail (19) is symmetrically fixed at the lower end of the grab bucket support (1), the shovel teeth (2) are located between the guide rail (19), the control hydraulic cylinder (18) is fixed on the grab bucket support (1), and a piston rod of the control hydraulic cylinder (18) is connected with the shovel teeth (2).

12. The trash remover of claim 11, wherein: the guide rail (19) is of a U-shaped structure.