CN111962597B

CN111962597B - Desilting device based on triangular wheel sliding block link mechanism drives desilting knife to rise and fall

Info

Publication number: CN111962597B
Application number: CN202010794030.XA
Authority: CN
Inventors: 刘增辉; 罗凯文; 倪福生; 魏长赟; 蒋爽; 李洪彬; 顾磊
Original assignee: Changzhou Campus of Hohai University
Current assignee: Changzhou Campus of Hohai University
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2022-04-22
Anticipated expiration: 2040-08-10
Also published as: CN111962597A

Abstract

The invention discloses a desilting device for driving a desilting knife to rise and fall based on a triangular wheel slide block connecting rod mechanism, which comprises two triangular wheels, a diameter-changing mechanism, a desilting knife device and a slide block connecting rod mechanism, wherein the two triangular wheels are respectively connected with motor main shafts at two ends of the diameter-changing mechanism through triangular wheel main shafts through couplers, the desilting knife device is respectively connected with the diameter-changing mechanism and a robot main body through the slide block connecting rod mechanism, the slide block connecting rod mechanism is connected with the robot main body end as a fixed end, and the end connected with the diameter-changing mechanism is a linearly movable end. According to the invention, the reciprocating motion of the wheel center on a vertical plane in the advancing process of the triangular wheel drives the desilting knife to lift and fall along with the change of the wheel center of the triangular wheel along with the slide block link mechanism, and meanwhile, the desilting knife is designed into a single spiral knife for spirally crushing sediment and rotating along with the desilting knife, so that the crushed sediment is thrown out along with the knife, the crushed sediment is prevented from being concentrated in the desilting knife, and the purpose of cleaning the sediment in urban pipelines is achieved.

Description

Desilting device based on triangular wheel sliding block link mechanism drives desilting knife to rise and fall

Technical Field

The invention relates to a dredging device based on a triangular wheel sliding block connecting rod mechanism for driving a dredging cutter to rise and fall, and belongs to the technical field of dredging equipment.

Background

Underground pipelines in modern cities are a series of fragile links for guaranteeing safe and stable operation of cities, such as maintenance of urban communication, electric power, water supply, drainage and the like, and the underground pipelines are positioned below the ground, so that the problems that sundries, garbage, sediment and the like are collected in the pipelines, the damage in the pipelines is difficult to distinguish and the like are faced. Urban underground pipeline well heads are 600mm, 700mm and 800mm in diameter under the common condition, the smaller well head size limits manual work to further investigation and maintenance of the inside of the underground pipeline, and meanwhile, the specific environment inside the pipeline is unknown, the pollution is serious, and substances or gases which cause certain influence on the body health of inspectors can exist. Simultaneously along with the continuous improvement of science and technology level, manual work is replaced by intelligent machine operation gradually because there are reasons such as operating environment is abominable, danger coefficient is high, for the demand of realizing independently desilting in the pipeline.

Disclosure of Invention

The invention provides a desilting device for driving a desilting knife to rise and fall based on a triangular wheel slide block connecting rod mechanism, aiming at solving the problems that a desilting mechanism is easy to block and wind during long-time sedimentation, the sedimentation in a pipeline is long-time acting, the desilting knife is damaged by the desilting knife and the like in the prior art, so that the broken sedimentation is prevented from being concentrated in the desilting knife, and the purpose of clearing the sedimentation in an urban pipeline is realized.

The invention mainly adopts the technical scheme that:

the utility model provides a desilting device based on triangle wheel slider link mechanism drive desilting sword rises and falls, includes two triangle wheels, reducing mechanism, desilting sword device and slider link mechanism, two the triangle wheel pass through the triangle wheel main shaft respectively with the motor spindle at reducing mechanism both ends passes through the coupling joint, desilting sword device pass through slider link mechanism respectively with reducing mechanism and robot body connect, just slider link mechanism connects robot body end for the stiff end, connects reducing mechanism end and holds for rectilinear movement.

Preferably, the diameter changing mechanism comprises two fixing plates, two blocking rods, a compression spring, a spring shaft, two connecting rods, two supporting rods, a motor shell, a motor spindle and a triangular wheel motor, wherein the two fixing plates are fixed at the bottom of the robot body, two ends of the spring shaft are respectively fixedly connected with the two fixing plates, the compression spring is sleeved on the spring shaft, the two blocking rods are sleeved on the spring shaft and are respectively fixedly connected with two ends of the compression spring, one end of each of the two supporting rods is hinged with the bottom surface of the robot, the other end of each of the two supporting rods is hinged with the top surface of the motor shell, the two supporting rods are respectively positioned at two ends of the spring shaft, one end of each of the two connecting rods is hinged with the blocking rod through a stud, the other end of each connecting rod is hinged with the corresponding supporting rod through a stud, the two triangular wheel motors are installed in the motor shell, and a motor shaft of each triangular wheel motor is connected with a main shaft of one triangular wheel through a coupler, and the two triangular wheel motors synchronously rotate.

Preferably, the desilting sword device includes desilting sword casing, spiral desilting sword, arc spiller, desilting sword main shaft, motor sprocket, key I, desilting sword motor, key II, main shaft sprocket, desilting sword motor fixed mounting is in desilting sword casing upper end, motor sprocket passes through key I to be fixed on the main shaft of desilting sword motor, spiral desilting sword is fixed on the desilting sword main shaft, desilting sword main shaft both ends are respectively through roller bearing connection desilting sword motor casing lower part both sides, main shaft sprocket passes through key II to be fixed on the desilting sword main shaft, motor sprocket and main shaft sprocket pass through the chain connection, the arc spiller passes through the bolt fastening on desilting motor casing sword.

Preferably, coupling mechanism includes first connecting rod and second connecting rod, the one end of first connecting rod with the tip of robot main body is articulated, the other end of first connecting rod with desilting sword motor casing top is articulated, the one end of second connecting rod with the body of rod of first connecting rod is articulated, the other end of second connecting rod with motor casing top is articulated.

Has the advantages that: the invention provides a desilting device for driving a desilting knife to rise and fall based on a triangular wheel slide block link mechanism.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a reducing mechanism of the present invention;

FIG. 3 is a block diagram of the present invention;

FIG. 4 is a side view of the present invention desilting blade;

in the figure: the automatic dredging device comprises a triangular wheel 1, a reducing mechanism 2, a fixing plate 2-1, a stop lever 2-2, a pressing spring 2-3, a spring shaft 2-4, a connecting rod 2-5, a supporting rod 2-6, a motor shell 2-7, a motor spindle 2-8, a dredging cutter device 3, a dredging cutter shell 3-1, a spiral dredging cutter 3-2, an arc-shaped scraper cutter 3-3, a dredging cutter spindle 3-4, a motor chain wheel 3-5, a key I3-6, a dredging cutter motor 3-7, a key II 3-8, a spindle chain wheel 3-9, a sliding block connecting rod mechanism 4, a first connecting rod 4-1, a second connecting rod 4-2 and a robot main body 5.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The utility model provides a desilting device based on triangle wheel slider link mechanism drive desilting sword rises and falls, includes two triangle wheels 1, reducing mechanism 2, desilting sword device 3 and slider link mechanism 4, two triangle wheel 1 through triangle wheel main shaft respectively with the motor main shaft 2-8 at 2 both ends of reducing mechanism pass through the coupling joint, desilting sword device 3 through slider link mechanism 4 respectively with reducing mechanism 2 and robot main part 5 are connected, just 4 connection robot main part 5 ends of slider link mechanism are the stiff end, but connect reducing mechanism 2 ends and hold for rectilinear movement.

Preferably, the diameter changing mechanism comprises two fixing plates 2-1, two blocking rods 2-2, a pressing spring 2-3, a spring shaft 2-4, two connecting rods 2-5, two supporting rods 2-6, a motor shell 2-7, a motor spindle 2-8 and two triangular wheel motors, wherein the two fixing plates 2-1 are fixed at the bottom of the robot main body 5, two ends of the spring shaft 2-4 are respectively and fixedly connected with the two fixing plates 2-1, the pressing spring 2-3 is sleeved on the spring shaft 2-4, the two blocking rods 2-2 are respectively and fixedly connected with two ends of the pressing spring 2-3, one end of each of the two supporting rods 2-6 is hinged with the bottom surface of the robot main body, the other ends of the two supporting rods 2-6 are hinged to the top surface of the motor shell 2-7 respectively, the two supporting rods 2-6 are located at two ends of a spring shaft 2-4 respectively, one ends of the two connecting rods 2-5 are hinged to the gear rod 2-2 through studs, the other ends of the two connecting rods 2-5 are hinged to the supporting rods 2-6 through studs, the two triangular wheel motors are installed in the motor shell 2-7, a motor spindle 2-8 of each triangular wheel motor is connected with a spindle of a triangular wheel 1 through a coupler, and the two triangular wheel motors rotate synchronously.

Preferably, the dredging cutter device 3 comprises a dredging cutter shell 3-1, a spiral dredging cutter 3-2, an arc-shaped shovel cutter 3-3, a dredging cutter spindle 3-4, a motor chain wheel 3-5, a key I3-6, a dredging cutter motor 3-7, a key II 3-8 and a spindle chain wheel 3-9, wherein the dredging cutter motor is fixedly arranged at the upper end of the dredging cutter shell 3-1, the motor chain wheel 3-5 is fixed on the spindle of the dredging cutter motor 3-7 through a key I3-6, the spiral dredging cutter 3-2 is fixed on the dredging cutter spindle 3-4, two ends of the dredging cutter spindle 3-4 are respectively connected with two sides of the lower part of the dredging cutter motor shell 3-1 through a roller bearing, the spindle chain wheel 3-9 is fixed on the dredging cutter spindle 3-4 through a key II 3-8, the motor chain wheel 3-5 is connected with the main shaft chain wheel 3-9 through a chain, and the arc-shaped scraper knife 3-3 is fixed on the motor shell 3-1 of the dredging knife through a bolt.

Preferably, the connecting mechanism comprises a first connecting rod 4-1 and a second connecting rod 4-2, one end of the first connecting rod 4-1 is hinged to the end of the robot main body 5, the other end of the first connecting rod 4-1 is hinged to the top of the motor housing 3-1 of the desilting knife, one end of the second connecting rod 4-2 is hinged to the rod body of the first connecting rod 4-1, and the other end of the second connecting rod 4-2 is hinged to the top of the motor housing 2-7.

The working principle of the invention is as follows:

when dredging is carried out, the motor 3-7 of the dredging cutter is started, the motor chain wheel 3-5 is controlled to rotate by the motor 3-7 of the dredging cutter, the motor chain wheel 3-5 drives the main shaft chain wheel 3-9 to rotate through a chain, the main shaft chain wheel 3-9 controls the spiral dredging cutter 3-2 to rotate through the main shaft 3-4 of the dredging cutter, so that the sediment in the pipeline is broken along with rotation, meanwhile, when the cutter head of the spiral dredging cutter 3-2 with a certain angle rotates and breaks the sediment along with the motor, the broken sediment is thrown out along with the inclined cutter face, and the sediment accumulation after the sediment is broken in the dredging cutter is avoided. Meanwhile, the main shaft chain wheel 3-9, the motor chain wheel 3-5, the chain and the desilting knife motor 3-7 are arranged in the desilting knife shell, so that the influence of the external environment on the desilting operation of the desilting knife can be effectively avoided.

Meanwhile, the triangular wheel 1 drives the spiral dredging cutter 3-2 to rise and fall, the position of a second connecting rod 4-2 connected to the reducing mechanism 2 is changed along with the up-and-down movement of the reducing mechanism 2 through the reciprocating movement of a wheel center of the triangular wheel 1 on a vertical plane in the advancing process, the first connecting rod 4-1 connected with the dredging cutter rotates around a point fixed on the robot body to drive the dredging cutter to lift up and fall down, and meanwhile, the dredging cutter is designed to be a single spiral cutter to spirally crush the sediment and rotate along with the dredging cutter, so that the crushed sediment is thrown out along with the cutter, the sediment is prevented from being concentrated in the dredging cutter, and the purpose of clearing the sediment in the urban pipeline is achieved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A desilting device based on lifting of a desilting knife driven by a triangular wheel slide block connecting rod mechanism is characterized by comprising two triangular wheels, a diameter-changing mechanism, a desilting knife device and a slide block connecting rod mechanism, wherein the two triangular wheels are respectively connected with motor main shafts at two ends of the diameter-changing mechanism through a coupling through triangular wheel main shafts;

the diameter-changing mechanism comprises two fixed plates, two baffle rods, a compression spring, a spring shaft, two connecting rods, two supporting rods, a motor shell, a motor spindle and two triangular wheel motors, wherein the two fixed plates are fixed at the bottom of the robot main body, two ends of the spring shaft are respectively fixedly connected with the two fixed plates, the compression spring is sleeved on the spring shaft, the two baffle rods are sleeved on the spring shaft and are respectively fixedly connected with two ends of the compression spring, one end of each of the two supporting rods is hinged with the bottom surface of the robot main body, the other end of each of the two supporting rods is hinged with the top surface of the motor shell, the two supporting rods are respectively positioned at two ends of the spring shaft, one end of each of the two connecting rods is hinged with the baffle rod through a stud, the other end of each connecting rod is hinged with the corresponding supporting rod through a stud, the two triangular wheel motors are installed in the motor shell, the motor main shaft of each triangular wheel motor is connected with the main shaft of one triangular wheel through a coupler, and the two triangular wheel motors synchronously rotate;

the utility model discloses a desilting tool, including desilting sword casing, spiral desilting sword, arc spiller, desilting sword main shaft, motor sprocket, key I, desilting sword motor, key II, main shaft sprocket, desilting sword motor fixed mounting is in desilting sword casing upper end, motor sprocket passes through key I to be fixed on the main shaft of desilting sword motor, spiral desilting sword is fixed on desilting sword main shaft, desilting sword motor casing lower part both sides are connected through roller bearing respectively at desilting sword main shaft both ends, main shaft sprocket passes through key II to be fixed on desilting sword main shaft, motor sprocket and main shaft sprocket pass through the chain and connect, the arc spiller passes through the bolt fastening on desilting sword motor casing, the spiral desilting sword is single spiral sword.

2. The desilting device based on the triangular wheel slide block linkage mechanism for driving the desilting knife to rise and fall is characterized in that the slide block linkage mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the end part of the robot main body, the other end of the first connecting rod is hinged with the top of a motor shell of the desilting knife, one end of the second connecting rod is hinged with a rod body of the first connecting rod, and the other end of the second connecting rod is hinged with the top of the motor shell.