CN115301649A

CN115301649A - Fire-fighting pipeline plug cleaning device

Info

Publication number: CN115301649A
Application number: CN202210980278.4A
Authority: CN
Inventors: 曹光客; 杜礼会
Original assignee: Hangzhou Shenhong Intelligent Technology Co ltd
Current assignee: Hangzhou Shenhong Intelligent Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-08
Anticipated expiration: 2042-08-16
Also published as: CN115301649B

Abstract

The invention discloses a fire fighting pipeline blockage cleaning device which comprises a vehicle body, a crawler belt, a cleaning mechanism and a camera, wherein the cleaning mechanism is arranged at the front part of the vehicle body and used for cleaning sludge; the cleaning mechanism comprises a mounting rack, a rotating disc, a cleaning disc and a plurality of mud scraping assemblies, wherein the rotating disc is rotatably connected to the mounting rack, the rotating shaft is arranged along the front-back direction, and the mud scraping assemblies are arranged between the rotating disc and the cleaning disc along the circumferential direction of the rotating disc; the mud scraping assembly comprises two scraping plates, one opposite sides of which are mutually and rotatably connected; each scraper is provided with a scraper arranged along the length direction of the scraper; the scraper is switched between the horizontal state and the vertical state to deal with the silt with different heights, so that the contact length of the scraper and the silt is increased, and the dredging efficiency is further increased.

Description

Fire-fighting pipeline plug cleaning device

Technical Field

The invention belongs to the technical field of fire fighting, and particularly relates to a device for cleaning a blockage of a fire fighting pipeline.

Background

Chinese patent document CN202110036707.8 discloses a pipeline dredging robot, which comprises a traveling mechanism, an identification mechanism, a power supply mechanism and a dredging mechanism, wherein the traveling mechanism is provided with crawler wheels around the body for traveling, and a buffer belt and a steering execution mechanism realize a steering function. The recognition mechanism comprises a centering control system, a cutter head control system, a pressure control system and an infrared distance measurement control system, and overall control is achieved. The power supply mechanism provides power supply electric energy in various forms, and can output adjustable direct current and alternating current to meet the requirements of various loads. Desilting mechanism includes blade disc cutting mechanism, stores up silt filtering mechanism, and rotary drive mechanism and discernment sensing mechanism can adapt to the drainage pipe desilting of different pipe diameters, and the suitability is strong, the operating efficiency is high. The robot integrates four technologies of walking, identification, power supply and dredging, and can effectively deal with various conditions in the pipeline dredging work.

Above-mentioned patent is in the use, if the height of silt is less than the half of blade disc overall height, then the blade disc rotates the in-process, to the sword on the same radius on the blade disc, be close to a partial sword at blade disc center can not contact with silt all the time, and then this partial sword will not exert an effect, has reduced the holistic work efficiency of blade disc, that is to say, the work efficiency of blade disc when the height of silt is less than the half of blade disc overall height is obviously less than the work efficiency of blade disc when the silt height is greater than the half of blade disc overall height.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: to the not enough of prior art existence, provide and carry out different modes clearance to highly different silt, increase the scraper utilization ratio no matter highly being less than or being higher than the half of blade disc overall height of silt promptly, a fire pipeline plug cleaning device that the work efficiency of blade disc can not reduce.

In order to realize the purpose of the invention, the following technical scheme is adopted to realize the purpose: the utility model provides a fire fighting pipeline plug cleaning device, includes the automobile body, installs respectively in the track of automobile body left and right sides lower part, installs the anterior clearance mechanism that is used for clearing up silt of automobile body, installs the anterior moving mechanism that is used for driving clearance mechanism at longitudinal plane removal of automobile body, installs the camera in automobile body one side.

Clearance mechanism includes by moving mechanism driven mounting bracket, rotates the rolling disc that the pivot of connecting on the mounting bracket set up along the fore-and-aft direction, with the coaxial setting of rolling disc be located rolling disc the place ahead can be relative rolling disc axial motion's clearance dish, a plurality of along the rolling disc circumference install the mud subassembly of scraping between rolling disc and clearance dish.

The mud scraping assembly comprises two scraping plates, one opposite sides of which are mutually and rotatably connected; each scraper is provided with a scraper arranged along the length direction of the scraper; a scraper is rotationally connected with the rotating disc; the other scraper is rotationally connected with the cleaning disc; and each rotating shaft of the two scrapers is parallel to each other and is arranged along the tangential direction of the rotating disc.

When the cleaning disc is located the extreme position of keeping away from the rolling disc, the length direction of two scrapers in a mud scraping assembly is parallel with the rolling disc axial direction, the scrapers are arranged along the rolling disc axial direction, and each scraper is in a horizontal state.

When the cleaning disc is located at the limit position close to the rotating disc, the length directions of two scraping plates in one mud scraping assembly are perpendicular to the axial direction of the rotating disc, the scraping plates are arranged along the radius direction of the rotating disc, and each scraping plate is in a vertical state.

As a preferable scheme: a cleaning box for placing sludge scraped by a scraper is fixedly connected in the vehicle body; and a fan for pumping the sludge scraped by the scraper into the cleaning box is arranged in the cleaning box.

As a preferable scheme: the front end of the mounting rack is fixedly connected with a communicating box communicated with the cleaning box; the rotating disc is rotatably connected to the front end of the communicating box and communicated with the communicating box.

And a scraper cleaning groove which penetrates through the scraper and is used for sucking sludge is formed at one end of the scraper, which is close to the scraper.

One end of the scraper far away from the scraper is positioned at one side of the scraper cleaning groove and is formed with a sealed abutting plate along the length direction of the scraper.

When the cleaning disc is located at the limit position far away from the rotating disc, all the scraping plates are in a horizontal state, all the scraping plates, the rotating disc and the cleaning plate jointly enclose a first material suction cavity, and at the moment, sludge sequentially passes through the scraping plate cleaning groove and the first material suction cavity to enter the communicating box and then enters the cleaning box through the communicating box.

When the clearance dish is located the extreme position near the rolling disc, each scraper blade is in vertical state, the sealed butt plate on one scraper blade in one of scraping the mud subassembly offsets with another scraper blade, two scraper blades form the open-ended second in one side that is close to the rolling disc axis direction and inhale the material cavity, each one end that scrapes the mud subassembly and is close to the rolling disc axis contacts each other for each second inhales the material cavity and communicates each other and communicate with the intercommunication case, silt passes through scraper blade clearance groove in proper order this moment, the second inhales the material cavity and gets into the intercommunication case, and get into through the intercommunication case and wash the incasement.

As a preferable scheme: the two scrapers in one sludge component are respectively a first scraper and a second scraper; the first scraper is rotationally connected with the cleaning disc; the second scraper blade is connected with the rotating disc in a rotating mode.

The scraper comprises a fixed scraper and a rotary scraper; the fixed scraper is fixedly connected to the first scraper; the rotating scraper is rotatably connected to the second scraper.

Scraper rotating holes are respectively formed at two ends of the scraper cleaning groove along the length direction of the scraper; and a scraper rotating column rotationally connected with the scraper rotating hole is formed on the scraper.

A scraper rotating head is formed in the middle of the rotating scraper; the first scraper blade is provided with a driving abutting block which can abut against the scraper rotating head to drive the rotating scraper to rotate.

When the cleaning disc is located at the limit position close to the rotating disc, each scraper is in a vertical state, the driving abutting block abuts against the scraper rotating head, and the rotating scraper rotates to seal the scraper cleaning groove on the second scraper.

And a first torsion spring used for resetting the rotary scraper is arranged between the rotary scraper and the second scraper.

As a preferable scheme: the front end of the cleaning disc is uniformly formed with an end surface cleaning opening penetrating through the cleaning disc along the circumferential direction; the positions of the front ends of the cleaning discs, which are close to the cleaning ports, are respectively and fixedly connected with end surface scrapers.

The rear end of the cleaning disc is rotationally connected with a closed disc which is coaxial with the cleaning disc; and a communication port which can be communicated with the end surface cleaning port is formed on the closed disk along the circumferential direction.

When the communicating port is communicated with the end face cleaning port, sludge scraped by the end face scraper passes through the end face cleaning port and the communicating port.

When the intercommunication mouth does not communicate with the terminal surface clearance mouth, silt can't pass through the terminal surface clearance mouth.

As a preferable scheme: a plurality of rotating seats are uniformly formed at the position, close to the center, of the rear end of the closed disc along the circumferential direction; and a driving inclined plane which is obliquely arranged is formed on the rotating seat.

And a driving column which can be abutted against the driving inclined plane to drive the sealing disc to rotate is formed at the front end of the rotating disc.

When the cleaning disc is located at the limit position close to the rotating disc, each scraper is in a vertical state, and the driving column is abutted to the driving inclined plane, so that the sealing disc rotates to the communicating port to be communicated with the end face cleaning port.

And a second torsion spring for resetting the sealing disc is arranged between the sealing disc and the cleaning disc.

When the cleaning disc is located at the limit position far away from the rotating disc, each scraper is in a horizontal state, the driving column is not in contact with the driving inclined plane, and the sealing disc rotates under the action of the second torsion spring until the communicating port is not communicated with the end face cleaning port.

As a preferable scheme: the cleaning mechanism further comprises a driving screw rod which is rotatably connected to the mounting frame and used for driving the cleaning disc to move, and a screw rod motor which is fixedly connected to the mounting frame and used for driving the driving screw rod to rotate.

And a driving pipe in transmission connection with the driving screw is formed in the center of the rear end of the cleaning disc.

And an internal thread matched with the driving screw is formed on the inner wall of the driving pipe.

A synchronous chute is formed on the outer wall of the driving screw along the radial direction; a synchronous sliding block is connected in the synchronous sliding chute in a sliding manner along the radial direction; and a tension spring is arranged between the bottom in the synchronous sliding block and the synchronous sliding chute.

The inner wall of the driving pipe is formed with a synchronous clamping groove which is arranged along the axial direction and can be clamped with the synchronous sliding block.

When the driving screw rod rotates at a first speed, the centrifugal force of the synchronous sliding block is smaller than that of the tension spring, the synchronous sliding block is not in contact with the synchronous sliding groove, and the driving screw rod rotates to enable the cleaning disk to move axially.

When the driving screw rotates at a second speed, the centrifugal force of the synchronous sliding block is larger than that of the tension spring, the synchronous sliding block is inserted into the synchronous sliding groove, and then the driving screw and the cleaning disc synchronously rotate in the circumferential direction.

The first rate is less than the second rate.

As a preferable scheme: a positioning chamber is formed on the outer wall of the communication box; and a positioning chamber through hole communicated with the inside of the communicating box is formed in the positioning chamber.

A positioning sliding block is connected in the positioning chamber in a sealing sliding manner along the axis direction of the rotating disc; a positioning ring is formed at one end of the rotating disc close to the positioning sliding block; and a positioning socket which can be inserted into the positioning sliding block to prevent the rotating disc from rotating is formed on the positioning ring.

And a positioning spring used for pushing the positioning sliding block to the direction close to the positioning ring is arranged between the positioning sliding block and the positioning chamber.

When the fan works, negative pressure is generated in the communicating box, and then negative pressure is generated in the positioning chamber, so that the positioning sliding block moves towards the direction away from the positioning ring, the positioning sliding block is separated from the positioning ring, the driving screw rotates at a second speed, and the driving screw and the cleaning disc synchronously rotate in the circumferential direction.

When the fan does not work, the positioning sliding block moves to be connected with the positioning socket in an inserting mode under the action of the positioning spring, the driving screw rotates at a first speed, and the driving screw rotates to enable the cleaning disc to move axially.

As a preferable scheme: a partition plate which is horizontally arranged is formed in the cleaning box; the cleaning box is divided into a water storage cavity positioned above and a mixing cavity positioned below by the partition plate.

A water inlet pipe communicated with an external water source is formed at the upper end of the water storage cavity; and a sludge inlet pipe for sludge to enter is formed at the upper part of the front end of the mixing cavity.

And spray holes for water to pass through are uniformly formed in the partition plate.

And a mud outlet pipe communicated with the outside is formed at the lower part of the side wall of the mixing cavity.

After the sludge enters the mixing cavity through the sludge inlet pipe, the sludge is mixed with water flowing down from the spraying holes and flows out of the sludge outlet pipe under the driving of water flow.

As a preferable scheme: the moving mechanism comprises a translation screw rod which is arranged along the left-right direction and is used for driving the mounting rack to move left and right; the lifting device comprises a longitudinal moving frame which is connected with a translation screw rod in a longitudinal sliding mode in an automobile body in a rotating mode, a translation motor which is fixedly connected to the longitudinal moving frame and is in transmission connection with the translation screw rod, a lifting screw rod which is connected with the automobile body in a rotating mode in the up-down direction and is used for driving the longitudinal moving frame to move up and down, and a lifting motor which is fixedly connected with the automobile body and is in transmission connection with the lifting screw rod.

Compared with the prior art, the invention has the beneficial effects that: the scraper is switched between the horizontal state and the vertical state to deal with the silt with different heights, so that the contact length of the scraper and the silt is increased, and the dredging efficiency is further increased.

When the sludge is too low (the height of the sludge is lower than one half of the height of the vehicle body), the scraper in the horizontal state can be positioned above the sludge, so that the scraper is completely contacted with the sludge, and the working efficiency of the scraper is increased.

When silt is too high (silt is highly higher than one half of the car body), the scraper blade in a vertical state can be directly contacted with the silt to be cleaned, and the scraper blade is completely contacted with the silt to increase the working efficiency of the scraper blade.

The invention sucks the sludge into the cleaning box by arranging the fan, thereby being convenient for treating the sludge.

According to the invention, the cleaning disc, the rotating disc and the scrapers are matched to form a relatively closed first material suction cavity together in a horizontal state, and sludge is sucked into the first material suction cavity from the outer sides of the scrapers and is sent into the cleaning box; in the vertical state, a second material suction cavity is formed by the first scraper and the second scraper together to convey sludge; no pipeline for sucking sludge is independently arranged in the process, so that parts are saved, and the utilization rate of the cleaning disc, the rotating disc and each scraper is increased.

In the process of switching between the vertical state and the horizontal state, the opening and closing of the end face cleaning port and the scraper cleaning groove on the second scraper are automatically controlled, the utilization rate of negative pressure generated by the fan is increased, and additional electronic elements are not required to be added for control.

The rotary scraper can be used for cleaning silt and can also be used for sealing the scraper cleaning groove so as to increase the utilization rate of negative pressure.

According to the invention, the driving screw rod is controlled to work at different speeds, so that the sealing disc is controlled to rotate circumferentially to clean sludge, or the sealing disc is controlled to move axially to switch the states of the scrapers.

The negative pressure generated by the fan can be used for sucking sludge and driving the positioning slide block to move, so that whether the rotating disc rotates or not is controlled, and the state of the scraper is controlled to be switched.

Drawings

Fig. 1 is a schematic view of the structure of the squeegee of the present invention in a vertical state.

Fig. 2 is a schematic view of the structure of the squeegee of the invention in a horizontal state.

Fig. 3 is an exploded view of the present invention.

FIG. 4 is an exploded view of the cleaning mechanism of the present invention.

Fig. 5 and 6 are schematic structural diagrams of the cleaning disc, the closing disc and the rotating disc.

Fig. 7 and 8 are schematic exploded structural views of the mud scraping assembly of the present invention.

Fig. 9 and 10 are schematic sectional views of the scraper of the present invention in a vertical state.

Fig. 11 is a schematic cross-sectional view of the mount of the present invention.

FIG. 12 is a schematic cross-sectional view of the purge tank of the present invention.

Fig. 13 is a schematic structural view of the damper of the present invention when not in operation.

Fig. 14 and 15 are schematic sectional views of the squeegee of the present invention in a vertical state.

11. A vehicle body; 12. a crawler belt; 13. a camera; 2. cleaning the box; 21. a mixing chamber; 22. a water storage cavity; 20. a partition plate; 201. spraying holes; 23. a mud outlet pipe; 24. a mud inlet pipe; 25. a water inlet pipe; 26. an air exhaust pipe; 27. a fan; 28. filtering cotton; 41. a longitudinal moving frame; 42. a lifting screw; 43. translating the screw rod; 44. a lifting motor; 45. a translation motor; A. a cleaning mechanism; 3. a mounting frame; 31. a communicating tank; 311. a discharge pipe of the communicating box; 312. a feed port of the communicating box; 313. a connecting pipe; 314. a positioning chamber; 315. a positioning chamber through hole; 32. positioning a slide block; 321. positioning the plug; 320. a positioning spring; 33. a screw positioning seat; 34. translating the threaded hole; 5. a drive screw; 50. a screw motor; 51. a synchronous chute; 52. a synchronous slide block; 53. a tension spring; 6. a mud scraping assembly; 61a, a first scraper; 61b, a second scraper; 611. a rotating base connecting column; 612. a scraper plate cleaning groove; 6121. a scraper rotating hole; 613. sealing the abutting plate; 614. a scraper connecting seat; 615. driving the butting block; 62. fixing a scraper; 63. rotating a scraper; 631. a scraper rotation post; 632. a scraper rotating head; 7. cleaning the disc; 70. an end face scraper; 71. a drive tube; 711. a synchronous card slot; 72. a first scraper blade rotating seat; 73. an end face cleaning port; 74. a limiting sliding column; 8. a closing disk; 81. a communication port; 82. a limiting chute; 83. rotating the base; 831. a drive ramp; 9. rotating the disc; 91. a second scraper blade rotating seat; 93. a drive column; 94. a positioning ring; 941. positioning the socket; 95. and a box body connecting port.

Detailed Description

Example 1

Referring to fig. 1 to 15, the device for clearing the blockage in the fire fighting pipeline according to the embodiment comprises a vehicle body 11, crawler belts 12 respectively arranged at the lower parts of the left side and the right side of the vehicle body, a clearing mechanism a arranged at the front part of the vehicle body and used for clearing silt, a moving mechanism arranged at the front part of the vehicle body and used for driving the clearing mechanism to move in a longitudinal plane, and a camera 13 arranged at one side of the vehicle body.

Clearance mechanism includes by moving mechanism driven mounting bracket 3, rotate the rotating disk 9 that the pivot of connecting on the mounting bracket set up along the fore-and-aft direction, with the coaxial setting of rotating disk be located rotating disk the place ahead can be relative rotating disk axial motion's clearance dish 7, a plurality ofly install the mud subassembly 6 of scraping between rotating disk and clearance dish along rotating disk circumference.

The mud scraping assembly comprises two scrapers, one opposite sides of each scraper are rotationally connected with each other; each scraper is provided with a scraper arranged along the length direction of the scraper; a scraper is rotationally connected with the rotating disc; the other scraper is rotationally connected with the cleaning disc; and each rotating shaft of the two scrapers is parallel to each other and is arranged along the tangential direction of the rotating disc.

Through the setting of scraper blade for clearance dish and rolling disc will synchronous circumferential direction, but clearance dish relative rolling disc axial motion.

Work as when the clearance dish is located the extreme position of keeping away from the rolling disc, length direction and the rolling disc axial direction parallel of two scrapers in the mud subassembly are scraped to one, the scraper sets up along the rolling disc axial, each scraper blade is in the horizontality, the even distribution of all scrapers in the clearance mechanism this moment is on a cylinder surface with the coaxial setting of rolling disc, the scraper sets up along the fore-and-aft direction, be fit for the clearance highly be less than automobile body half's silt, the scraper can move to the upper end of silt and clear up and make each scraper homoenergetic clear up with the contact of silt.

When the clearance dish is located the extreme position who is close to the rolling disc, two scraper blade length direction in the mud subassembly of scraping are perpendicular with the rolling disc axial, and the scraper sets up along rolling disc radius direction, and each scraper blade is in vertical state, and the scraper on each scraper blade that links to each other with the clearance dish this moment all is located same longitudinal plane, is fit for clearing up the silt that highly is greater than the automobile body half, and the rolling disc rotates this moment, and each scraper homoenergetic is cleared up with the contact of silt.

A scraper connecting seat 614 is formed on one side of the scraper close to the other scraper in the same mud scraping component; the scraper connecting seats on the two scrapers in the same group are rotationally connected through a pin shaft.

A rotating seat connecting column 611 is formed at the position of the scraper far away from the scraper connecting seat; a plurality of first scraper plate rotating seats 72 which are rotatably connected with the rotating seat connecting column are formed on the periphery of the rear end of the cleaning disc; and a plurality of second scraper rotating seats 91 which are rotatably connected with the rotating seat connecting column are formed on the periphery of the front end of the rotating disc.

And a driving torsion spring which enables the two scraping plates to have a trend of moving towards a vertical state is arranged between the two scraping plates in the same mud scraping component.

A cleaning box 2 for placing sludge scraped by a scraper is fixedly connected in the vehicle body; a fan 27 for pumping the sludge scraped by the scraper into the cleaning box is arranged in the cleaning box.

The front end of the mounting rack is fixedly connected with a communication box 31 communicated with the cleaning box; the rotating disc is rotatably connected to the front end of the communicating box and communicated with the communicating box.

A communicating box feeding hole 312 is formed at the front end of the communicating box; and a box body connecting port 95 communicated with a feed inlet of the communicating box is formed at the position, close to the middle part, of the rotating disc.

A scraper cleaning groove 612 which penetrates through the scraper and is used for sucking sludge is formed at one end of the scraper, which is close to the scraper; the fan works to generate negative pressure in the cleaning box, so that airflow flowing towards the direction of the cleaning box is generated at the position of the scraper cleaning groove, and then the airflow drives the sludge to enter the cleaning box.

And a sealing abutting plate 613 is formed at one end of the scraper, which is far away from the scraper, on one side of the scraper cleaning groove along the length direction of the scraper.

When the cleaning disc is located the extreme position of keeping away from the rolling disc, each scraper blade is in the horizontality, and each scraper blade, rolling disc, clearance board enclose into an approximate columniform first material cavity of inhaling jointly, and silt gets into the intercommunication case through scraper blade clearance groove, first material cavity of inhaling, box connector, box feed inlet in proper order this moment to get into through the intercommunication case and wash the incasement.

When the clearance dish is located the extreme position near the rolling disc, each scraper blade is in vertical state, a sealed buttressing plate on the scraper blade in scraping the mud subassembly offsets with another scraper blade, two scraper blades form and inhale material cavity 60 near the one side open-ended second of rolling disc axis direction, each one end that scrapes the mud subassembly and is close to the rolling disc axis contacts each other, make each second inhale material cavity communicate each other and with the intercommunication case intercommunication, silt passes through scraper blade clearance groove in proper order this moment, the material cavity is inhaled to the second, the box connector, the box feed inlet gets into the intercommunication case, and get into through the intercommunication case and wash the incasement.

No matter each scraper blade is in vertical state or horizontality, needn't sealing connection between closing disc, rolling disc and each scraper blade, there is the gap each other, when the clearance case absorbs silt, because scraper work makes silt splash and the dust that produces will get into the intercommunication incasement through the gap to get into the clearance incasement through the intercommunication case, nevertheless compare in the gap, the area in scraper blade clearance groove is bigger, so most silt still gets into the intercommunication incasement through scraper blade clearance groove.

The two scrapers in one silt assembly are a first scraper 61a and a second scraper 61b respectively; the first scraper is rotationally connected with the cleaning disc; the second scraper blade is connected with the rotating disc in a rotating mode.

The scraper comprises a fixed scraper 62 and a rotating scraper 63; the fixed scraper is fixedly connected to the first scraper; the rotating scraper is rotatably connected to the second scraper and the rotating shaft is arranged along the length direction of the scraper.

Scraper rotating holes 6121 are formed in the two ends of the scraper cleaning groove along the length direction of the scraper respectively; the scraper is formed with a scraper rotation post 631 rotatably connected to the scraper rotation hole.

A scraper rotating head 632 is formed in the middle of the rotating scraper; and a driving abutting block 615 which can abut against the scraper rotating head to drive the rotating scraper to rotate is formed on the first scraper.

When the cleaning disc is located at the limit position close to the rotating disc, all the scraping plates are in a vertical state, the driving abutting block abuts against the scraper rotating head, the rotating scraper rotates to seal the scraping plate cleaning groove in the second scraping plate, and at the moment, sludge only enters the communicating box through the scraping plate cleaning groove in the first scraping plate.

Because when each scraper blade is in vertical state, fixed scraper on the first scraper blade can contact with silt forward, and the rotation scraper on the second scraper blade can not contact with silt backward, so make the rotation scraper seal scraper blade clearance groove this moment, and the air current can not follow this scraper blade clearance groove and flow in, can avoid the waste of wind-force.

And a first torsion spring for resetting the rotary scraper is arranged between the rotary scraper and the second scraper.

When the cleaning disc is located at the limit position far away from the rotating disc, all the scrapers are in a horizontal state, the rotating scrapers do not seal the scraper cleaning groove 612 under the action of the first torsion spring, and at the moment, the rotating scrapers are used for cleaning sludge.

The front end of the cleaning disc is uniformly provided with end face cleaning ports 73 which penetrate through the cleaning disc along the circumferential direction; the front end of the cleaning disc is fixedly connected with an end surface scraper 70 at the position close to each cleaning port.

The rear end of the cleaning disc is rotatably connected with a closed disc 8 which is coaxial with the cleaning disc; the sealing disc is circumferentially provided with a communication port 81 which can be communicated with the end face cleaning port.

When the communicating opening is not communicated with the end face cleaning opening, the sludge cannot pass through the end face cleaning opening.

A plurality of rotating seats 83 are uniformly formed at the position, close to the center, of the rear end of the closed disc along the circumferential direction; a driving inclined plane 831 is formed on the rotating seat in an inclined manner.

And a driving column 93 which can be abutted against the driving inclined plane to drive the closed disc to rotate is formed at the front end of the rotating disc.

When the cleaning disc is located at the limit position close to the rotating disc, each scraper is in a vertical state, the driving column is abutted to the driving inclined plane to enable the sealing disc to rotate to the communicating port to be communicated with the end face cleaning port, and at the moment, the fixed scraper and the end face scraper work together, so that the working efficiency is improved.

When the clearance dish is located the extreme position of keeping away from the rolling disc, each scraper blade is in the horizontality, and the drive post is contactless with the drive inclined plane, and the closing disc rotates under the effect of second torsional spring to intercommunication mouth and terminal surface clearance mouth not communicate, and the air current that the fan produced can not follow the terminal surface clearance mouth and flow, reduces the waste of wind-force.

A section of circular arc-shaped limiting sliding groove 82 is formed in the sealing disc; a limiting sliding column 74 connected with the limiting sliding groove in a sliding manner is formed at the eccentric position of the rear end of the cleaning disc; when the second torsion spring rotates to the communicating port and is not communicated with the end face cleaning port under the action of the second torsion spring, the limiting sliding column is abutted against one end of the limiting sliding groove, so that the closed disc does not move any more.

The cleaning mechanism A further comprises a driving screw rod 5 which is rotatably connected to the mounting frame and used for driving the cleaning disc to move, and a screw rod motor 50 which is fixedly connected to the mounting frame and used for driving the driving screw rod to rotate.

And a screw positioning seat 33 rotationally connected with the driving screw is formed on the mounting frame.

A driving pipe 71 in transmission connection with the driving screw is formed in the center of the rear end of the cleaning disc.

A connection pipe 313 through which the driving pipe passes is formed in the communication box.

A synchronous chute 51 is formed on the outer wall of the driving screw along the radial direction; a synchronous sliding block 52 is connected in the synchronous sliding chute in a sliding manner along the radial direction; and a tension spring 53 is arranged between the synchronous sliding block and the bottom in the synchronous sliding chute.

The inner wall of the driving pipe is formed with a synchronous clamping groove 711 which is arranged along the axial direction and can be clamped with the synchronous sliding block.

When the driving screw rod rotates at a first speed, the centrifugal force of the synchronous sliding block is smaller than that of the tension spring, the synchronous sliding block is not in contact with the synchronous sliding groove, and the driving screw rod rotates to enable the cleaning disc to move axially at the moment.

The first rate is less than the second rate.

A positioning chamber 314 is formed on the outer wall of the communication box; a positioning chamber through hole 315 communicated with the inside of the communicating box is formed in the positioning chamber.

A positioning sliding block 32 is connected in the positioning chamber in a sealing sliding manner along the axis direction of the rotating disc; a positioning ring 94 is formed at one end of the rotating disc close to the positioning slide block; a positioning socket 941 which can be inserted into the positioning sliding block to prevent the rotating disc from rotating is formed on the positioning ring; the front end of the positioning sliding block is formed with a positioning plug 321 which extends to the front of the positioning chamber and can be plugged with the positioning socket.

And a positioning spring 320 for pushing the positioning slide block to the direction close to the positioning ring is arranged between the positioning slide block and the positioning chamber.

When the fan is in work, negative pressure is generated in the communicating box, and then negative pressure is generated in the positioning chamber, so that the positioning sliding block moves towards the direction away from the positioning ring, the positioning sliding block is separated from the positioning ring, the driving screw rod rotates at the second speed, and the driving screw rod and the cleaning disc synchronously rotate in the circumferential direction.

If the fan is out of work, but the positioning plug is not right opposite to the positioning socket, then the positioning plug is abutted to the positioning ring under the action of the positioning spring, then the driving screw rod rotates at a first rate, the driving screw rod drives the rotating disc to rotate synchronously, when the rotating disc rotates to the position that the positioning plug is right opposite to the positioning socket, the positioning spring pushes the positioning plug to be inserted into the positioning socket, so that the rotating disc cannot rotate, and then the driving screw rod rotates to drive the cleaning disc to move back and forth.

A partition plate 20 which is horizontally arranged is formed in the cleaning box; the separation plate divides the cleaning box into a water storage cavity 22 positioned at the upper part and a mixing cavity 21 positioned at the lower part.

A water inlet pipe 25 communicated with an external water source is formed at the upper end of the water storage cavity; a sludge inlet pipe 24 for sludge to enter is formed at the upper part of the front end of the mixing cavity; and a communicating box discharging pipe 311 which is communicated with the mud inlet pipe and the communicating box through a hose is formed on the communicating box.

Spray holes 201 for water to pass through are uniformly formed on the partition plate.

A mud outlet pipe 23 communicated with the outside is formed at the lower part of the side wall of the mixing cavity.

The air inlet end of the fan is communicated with the mixing cavity; the air inlet end that is close to the fan in the mixing chamber is installed and is prevented filter pulp 2 that silt passes through.

An air exhaust pipe 26 communicated with the mixing cavity is formed at the upper end of the cleaning box; the fan is arranged in the air exhaust pipe.

The moving mechanism comprises a translation screw 43 which is arranged along the left-right direction and is used for driving the mounting rack to move left and right; the lifting device comprises a longitudinal moving frame 41 which is connected with a translation screw rod in a longitudinal sliding mode in the vehicle body in a rotating mode, a translation motor 45 which is fixedly connected to the longitudinal moving frame and is in transmission connection with the translation screw rod, a lifting screw rod 42 which is connected with the vehicle body in a rotating mode in the vertical direction and is used for driving the longitudinal moving frame to move up and down, and a lifting motor 44 which is fixedly connected with the vehicle body and is in transmission connection with the lifting screw rod.

Through controlling the mutual cooperation of the lifting motor and the translation motor, the cleaning mechanism can be driven to move randomly in a vertical plane, so that the scraper can move on the surface of sludge, and the cleaning is facilitated.

And a translation threaded hole 34 in threaded transmission connection with the translation screw is formed in the mounting frame.

A controller is installed in the vehicle body; the crawler belt, the camera, the lifting motor, the translation motor, the screw motor and the fan are respectively and electrically connected with the controller; the controller is connected with an external operating table through wireless signals.

In the initial state, each scraper is in the horizontal state, and the closed end surface cleaning opening of the closed disc is closed.

When the automobile body is used, the automobile body is placed in the pipeline, the automobile body is remotely controlled to move forwards through the operating platform, and the automobile body is observed through the camera.

When the height of sludge to be cleaned is less than half of that of the vehicle body, the lifting motor and the translation motor are controlled by the operating platform to work in a matched mode, so that the sludge scraping component moves to the position above the sludge.

Then control fan work, produce the negative pressure in the mixing chamber, the location slider makes location plug and location socket separation under the effect of negative pressure, and control screw motor work makes drive screw rotate with the second rate after that, synchronous slider and synchronous spout joint under the effect of centrifugal force for drive screw can't drive the clearance dish back-and-forth movement, and then drive screw drives scrapes mud subassembly circumference synchronous rotation, carries out silt clearance.

Control elevator motor after that, translation motor cooperation work, make fixed scraper and rotation scraper and silt contact, scrape silt down, scraper blade clearance groove department produces the negative pressure simultaneously, inhale first material cavity of inhaling with silt, and in the intercommunication case gets into the clearance incasement, the silt that gets into the clearance incasement mixes with the water that sprays the downthehole flow, form the fluid form that the water is many mud few, and the water level in the mixing chamber is higher than a mud pipe and is less than into the mud pipe, so the negative pressure major part that the fan produced acts on into the mud pipe, and will follow a mud pipe flow to the external world after mixing in mixing chamber water and mud under the drive of rivers.

And after cleaning, controlling the fan and the screw motor to stop working.

When the height of sludge to be cleaned is greater than one-half of the height of a vehicle body, the screw motor is controlled to work, the driving screw is made to rotate forward at a first speed, the positioning plug is plugged into the positioning socket, the rotating disc cannot rotate, the sealing disc cannot rotate, the driving screw rotates to drive the sealing disc to move towards the rotating disc, and the scraper moves towards the vertical state.

When the cleaning disc moves to the extreme position close to the rotating disc, the driving column is matched with the driving inclined plane, so that the sealing disc rotates to the communicating port to be communicated with the end face cleaning port, the scraper blade rotates to a vertical state, and the driving abutting block 615 on the first scraper blade enables the rotating scraper 63 on the second scraper blade to rotate to the scraper blade cleaning groove on the rotating scraper blade sealing the second scraper blade.

Then control elevator motor, translation motor cooperation work for the silt in the place ahead is adjusted well to terminal surface scraper, fixed scraper, and the silt that terminal surface scraper, fixed scraper scraped will respectively through the terminal surface clearance mouth, the scraper blade clearance groove on the first scraper get into the intercommunication incasement, then get into the clearance incasement and mix with water, and flow from a mud pipe.

And after the work is finished, controlling the fan and the screw motor to stop working.

And then resetting is carried out, the screw motor is controlled to work, so that the driving screw reversely rotates at a first speed, after the positioning plug is plugged into the positioning socket, the rotating disc and the cleaning disc do not rotate any more, the rotation of the driving screw drives the sealing disc to move towards the direction far away from the rotating disc, and the scraper moves towards the horizontal state.

In the process, the driving column is separated from the driving inclined plane, the sealing disc seals the end face cleaning opening again, the driving abutting block is separated from the rotating scraper, and the rotating scraper does not seal the scraper cleaning groove any more.

When the closing disc moves to the limit position far away from the rotating disc, the screw motor stops working and returns to the initial state.

The invention can clean the sludge in the fire fighting pipeline and also can clean objects such as dirt, dust, garbage and the like accumulated in the fire fighting pipeline and capable of being cut by the scraper.

The invention switches the scrapers between the horizontal state and the vertical state to deal with the sludge with different heights, increases the contact length of the scrapers and the sludge, and further increases the dredging efficiency.

When the sludge is too low, the scraper in a horizontal state can be positioned above the sludge, so that the scraper is completely contacted with the sludge.

The rotary scraper can be used for cleaning sludge and can also be used for sealing the scraper cleaning groove so as to increase the utilization rate of negative pressure.

According to the invention, the driving screw is controlled to work at different speeds, so that the closed disc is controlled to rotate circumferentially to clean sludge, or the closed disc is controlled to move axially to switch the scraper state.

Claims

1. A fire fighting pipeline blockage cleaning device comprises a vehicle body, crawler belts, a cleaning mechanism, a moving mechanism and a camera, wherein the crawler belts are respectively installed at the lower parts of the left side and the right side of the vehicle body; the method is characterized in that: the cleaning mechanism comprises a mounting frame driven by the moving mechanism, a rotating disc, a cleaning disc and a plurality of mud scraping assemblies, wherein the rotating disc is rotatably connected to a rotating shaft on the mounting frame and arranged along the front-back direction, the cleaning disc is coaxially arranged with the rotating disc and positioned in front of the rotating disc and can axially move relative to the rotating disc, and the mud scraping assemblies are circumferentially arranged between the rotating disc and the cleaning disc; the mud scraping assembly comprises two scraping plates, one opposite sides of which are mutually and rotatably connected; each scraper is provided with a scraper arranged along the length direction of the scraper; a scraper is rotationally connected with the rotating disc; the other scraper is rotationally connected with the cleaning disc; the rotating shafts of the two scrapers are parallel to each other and arranged along the tangential direction of the rotating disc; when the cleaning disc is located at the limit position far away from the rotating disc, the length directions of the two scraping plates in one mud scraping assembly are parallel to the axial direction of the rotating disc, the scraping plates are axially arranged along the rotating disc, and each scraping plate is in a horizontal state; when the cleaning disc is located at the limit position close to the rotating disc, the length directions of two scraping plates in one mud scraping assembly are perpendicular to the axial direction of the rotating disc, the scraping plates are arranged along the radius direction of the rotating disc, and each scraping plate is in a vertical state.

2. The fire fighting pipe blockage removal device of claim 1, wherein: a cleaning box for placing sludge scraped by a scraper is fixedly connected in the vehicle body; and a fan for pumping the sludge scraped by the scraper into the cleaning box is arranged in the cleaning box.

3. The fire fighting pipe blockage removal device of claim 2, wherein: the front end of the mounting frame is fixedly connected with a communication box communicated with the cleaning box; the rotating disc is rotatably connected to the front end of the communicating box and communicated with the communicating box; a scraper cleaning groove which penetrates through the scraper and is used for sucking sludge is formed at one end of the scraper, which is close to the scraper; one end of the scraper, which is far away from the scraper, is positioned at one side of the scraper cleaning groove, and a closed abutting plate is formed along the length direction of the scraper; when the cleaning disc is located at the limit position far away from the rotating disc, all the scraping plates are in a horizontal state, all the scraping plates, the rotating disc and the cleaning plate jointly enclose a first material suction cavity, and at the moment, sludge sequentially passes through the scraping plate cleaning groove and the first material suction cavity to enter the communicating box and then enters the cleaning box through the communicating box; when the cleaning disc is located the extreme position who is close to the rolling disc, each scraper blade is in vertical state, a sealed buttressing plate on the scraper blade in the mud subassembly offsets with another scraper blade, two scraper blades form the open-ended second of one side that is close to the rolling disc axis direction and inhale the material cavity, each is scraped the one end of mud subassembly near the rolling disc axis and contacts each other, make each second inhale the material cavity and communicate each other and with the intercommunication case intercommunication, silt passes through scraper blade cleaning tank, the second in proper order this moment inhales the material cavity and gets into the intercommunication case, and get into in the cleaning box through the intercommunication case.

4. A fire fighting pipe blockage clearing device as defined in claim 3, further comprising: the two scrapers in one sludge component are respectively a first scraper and a second scraper; the first scraper is rotationally connected with the cleaning disc; the second scraper is rotationally connected with the rotating disc; the scraper comprises a fixed scraper and a rotary scraper; the fixed scraper is fixedly connected to the first scraper; the rotating scraper is rotationally connected to the second scraper; scraper rotating holes are respectively formed at two ends of the scraper cleaning groove along the length direction of the scraper; a scraper rotating column which is rotationally connected with the scraper rotating hole is formed on the scraper; a scraper rotating head is formed in the middle of the rotating scraper; a driving abutting block which can abut against the scraper rotating head to drive the rotating scraper to rotate is formed on the first scraper; when the cleaning disc is located at the limit position close to the rotating disc, each scraper is in a vertical state, and the driving abutting block abuts against the scraper rotating head, so that the rotating scraper rotates to close the scraper cleaning groove on the second scraper; and a first torsion spring for resetting the rotary scraper is arranged between the rotary scraper and the second scraper.

5. A fire fighting pipe blockage removal device as defined in claim 3 wherein: the front end of the cleaning disc is uniformly formed with an end surface cleaning opening penetrating through the cleaning disc along the circumferential direction; end surface scrapers are fixedly connected to the positions, close to the cleaning openings, of the front ends of the cleaning discs respectively; the rear end of the cleaning disc is rotatably connected with a closed disc which is coaxial with the cleaning disc; a communication port which can be communicated with the end surface cleaning port is formed on the sealing disc along the circumferential direction; when the communication port is communicated with the end surface cleaning port, sludge scraped by the end surface scraper passes through the end surface cleaning port and the communication port; when the communicating opening is not communicated with the end face cleaning opening, the sludge cannot pass through the end face cleaning opening.

6. The fire fighting pipe blockage removal device of claim 5, wherein: a plurality of rotating seats are uniformly formed at the position, close to the center, of the rear end of the closed disc along the circumferential direction; a driving inclined plane which is obliquely arranged is formed on the rotating seat; a driving column which can be abutted against the driving inclined plane to drive the closed disc to rotate is formed at the front end of the rotating disc; when the cleaning disc is located at the limit position close to the rotating disc, each scraper is in a vertical state, and the driving column abuts against the driving inclined plane to enable the sealing disc to rotate until the communication port is communicated with the end face cleaning port; a second torsion spring for resetting the sealing disc is arranged between the sealing disc and the cleaning disc; when the cleaning disc is located at the limit position far away from the rotating disc, each scraper is in a horizontal state, the driving column is not in contact with the driving inclined plane, and the sealing disc rotates under the action of the second torsion spring until the communicating port is not communicated with the end face cleaning port.

7. The fire fighting pipe blockage removal device of claim 2, wherein: the cleaning mechanism also comprises a driving screw rod which is rotationally connected to the mounting rack and is used for driving the cleaning disc to move, and a screw rod motor which is fixedly connected to the mounting rack and is used for driving the driving screw rod to rotate; a driving pipe in transmission connection with the driving screw is formed in the center of the rear end of the cleaning disc; an internal thread matched with the driving screw is formed on the inner wall of the driving pipe;

the outer wall of the driving screw is radially formed with a synchronous chute; a synchronous sliding block is connected in the synchronous sliding chute in a sliding manner along the radial direction; a tension spring is arranged between the synchronous sliding block and the bottom in the synchronous sliding chute; a synchronous clamping groove which is arranged along the axial direction and can be clamped with the synchronous sliding block is formed on the inner wall of the driving pipe; when the driving screw rod rotates at a first speed, the centrifugal force of the synchronous sliding block is smaller than that of the tension spring, the synchronous sliding block is not in contact with the synchronous sliding chute, and the driving screw rod rotates to enable the cleaning disc to move axially; when the driving screw rotates at a second speed, the centrifugal force of the synchronous sliding block is larger than that of the tension spring, the synchronous sliding block is inserted into the synchronous sliding groove, and the driving screw and the cleaning disc synchronously rotate in the circumferential direction; the first rate is less than the second rate.

8. The fire fighting pipe blockage removal device of claim 7 further comprising: a positioning chamber is formed on the outer wall of the communication box; a positioning chamber through hole communicated with the inside of the communication box is formed in the positioning chamber; a positioning sliding block is connected in the positioning chamber in a sealing sliding manner along the axis direction of the rotating disc; a positioning ring is formed at one end of the rotating disc close to the positioning sliding block; a positioning socket which can be inserted into the positioning sliding block to prevent the rotating disc from rotating is formed on the positioning ring; a positioning spring used for pushing the positioning sliding block to the direction close to the positioning ring is arranged between the positioning sliding block and the positioning chamber; when the fan works, negative pressure is generated in the communicating box, so that negative pressure is generated in the positioning chamber, the positioning slide block moves towards the direction away from the positioning ring, the positioning slide block is separated from the positioning ring, the driving screw rod rotates at a second speed, and the driving screw rod and the cleaning disc synchronously rotate in the circumferential direction; when the fan is out of work, the positioning sliding block moves to be connected with the positioning socket in an inserting mode under the action of the positioning spring, the driving screw rod rotates at a first speed, and the driving screw rod rotates to enable the cleaning disc to move axially.

9. The fire fighting pipe blockage removal device of claim 2, wherein: a partition plate which is horizontally arranged is formed in the cleaning box; the cleaning box is divided into a water storage cavity positioned above and a mixing cavity positioned below by the partition plate; a water inlet pipe communicated with an external water source is formed at the upper end of the water storage cavity; a sludge inlet pipe for sludge to enter is formed at the upper part of the front end of the mixing cavity; spray holes for water to pass through are uniformly formed in the partition plate; a mud outlet pipe communicated with the outside is formed at the lower part of the side wall of the mixing cavity; after the sludge enters the mixing cavity through the sludge inlet pipe, the sludge is mixed with water flowing down from the spraying holes and flows out of the sludge outlet pipe under the driving of water flow.

10. The fire fighting pipe blockage removal device of claim 1, wherein: the moving mechanism comprises a translation screw rod which is arranged along the left-right direction and used for driving the mounting rack to move left and right; the lifting device comprises a longitudinal moving frame which is longitudinally connected in the vehicle body in a sliding manner and is rotationally connected with a translation screw, a translation motor which is fixedly connected on the longitudinal moving frame and is in transmission connection with the translation screw, a lifting screw which is rotationally connected in the vehicle body along the up-down direction and is used for driving the longitudinal moving frame to move up and down, and a lifting motor which is fixedly connected in the vehicle body and is in transmission connection with the lifting screw.