CN217870699U - Excavation suction vehicle - Google Patents

Abstract

A digging suction vehicle comprises an auxiliary frame, two telescopic supporting legs, a centrifugal fan, a hopper, a suction hose, an upper cover of the hopper, a hydraulic cutting system and a pneumatic digging system; the auxiliary frame is arranged on the vehicle chassis; the two support legs are respectively arranged on the front end and the rear end of the left side of the vehicle chassis; the centrifugal fan is arranged on the front side of the auxiliary frame in the vehicle running direction, and a silencer is arranged on an output port of the centrifugal fan; the hopper is arranged at the rear side of the running direction of the subframe vehicle and can pivot between a working position and an emptying position around a rotating shaft extending parallel to the longitudinal axis of the vehicle; the hopper is provided with a containing cavity, the containing cavity is divided into three chambers by two clapboards, and a filtering device is arranged in a left bin close to one side of the centrifugal fan; an airflow channel used for communicating the material suction hose, the hopper and the centrifugal fan is arranged in the upper hopper cover, and the upper hopper cover can extend around the longitudinal axis of the vehicle and can clean the filtering device by adopting high-pressure reverse blowing airflow, so that the maintenance period of the vehicle can be prolonged.

Description

Excavation suction vehicle

Technical Field

The utility model relates to an excavate suction formula equipment, especially involve an excavation suction car.

Background

Along with the development and the expansion of cities, the construction and maintenance work of related municipal engineering is more and more, such as the construction of municipal pipe networks for supplying water, power and gas, dangerous and difficult-to-enter area pipe networks of chemical plants, oil refineries and the like, and the maintenance of rail engineering, the dredging and dredging of river channels, the rescue of natural disasters, the cleaning after disasters, the cleaning of the inside and outside of buildings and roofs, the cleaning of tunnels and the like. Underground pipe networks of the working places are staggered and complicated, are mostly buried in different time periods by different departments, have different laying depths of pipelines, adopt a single mechanical head to rotate and dig to work in a crossed and densely-distributed area of the pipelines and nearby the pipelines, easily cause the pipelines to be damaged, and can not carry out normal operation at some dead angle positions.

The existing excavating and pumping vehicle does not have the function of automatically cleaning the filter unit, the filter device of the existing excavating and pumping vehicle adopts a mode of sleeving and combining the filter cage and the filter bag, the filter bag and the filter cage are required to be detached or reversely exposed each time, a high-pressure air gun is adopted to reversely blow or flap for cleaning in an open environment, on-site dust flies to pollute the environment, meanwhile, harm is caused to the human health, and the labor intensity is high.

Disclosure of Invention

An object of the utility model is to provide a carry out the special use of excavation, suction, removal and transportation of materials such as soil, grit, powder, sewage through the suction mode and inhale the fortune vehicle.

In order to achieve the above purpose, the utility model discloses there is following technical scheme: an excavation suction vehicle comprising:

the auxiliary frame is arranged on a vehicle chassis;

the two telescopic supporting legs are respectively arranged at the front end and the rear end of the left side of the vehicle chassis;

the centrifugal fan is used for generating suction force and arranged on the front side of the running direction of the auxiliary frame vehicle, and a silencer is arranged on an output port of the centrifugal fan;

a hopper disposed rearward of the subframe in the direction of vehicle travel and pivotable about a pivot axis extending parallel to the longitudinal axis of the vehicle between an operative position and an empty position in which an open end of the hopper is directed downwardly to enable the discharge of material in the cavity by gravity; the hopper is provided with a containing cavity, the containing cavity is divided into three chambers by two clapboards, and a filtering device is arranged in a left bin close to one side of the centrifugal fan;

a material suction hose;

the hopper upper cover is internally provided with an airflow channel for communicating the material suction hose, the hopper and the centrifugal fan, and can pivot at a working position and an avoidance position around a pivot shaft extending parallel to the longitudinal axis of the vehicle; when the upper cover of the hopper is in a working position, the upper cover of the hopper is hermetically covered at the opening end of the upper side of the hopper;

a hydraulic cutting system;

pneumatic excavation system.

The hydraulic cutting system comprises a water tank and a high-pressure water pump, the water tank is arranged on the auxiliary frame, the high-pressure water pump is arranged on the vehicle chassis, one end of the high-pressure water pump is connected with the water tank, the other end of the high-pressure water pump is connected with a high-pressure water pipe joint through a pipeline, and the high-pressure water pipe joint is positioned at the tail part of the vehicle chassis; the high-pressure water pipe joint is connected with a high-pressure water gun for spraying high-pressure water flow to a hard soil layer for cutting and crushing;

the working pressure of a high-pressure water pump of the hydraulic cutting system is 36MPa.

The pneumatic excavation system comprises an air compressor and a high-pressure air pipe joint, wherein one end of the high-pressure air pipe joint is connected with the air compressor through a pipeline, compressed air is provided by the air compressor, and the other end of the high-pressure air pipe joint is used for performing impact crushing operation on a concrete layer, hard stones and large stones above a breaking and dismantling pipeline after being connected with a matched air pick or an air blow gun;

the working pressure of an air compressor of the pneumatic excavating system is 0.7Mpa.

The inner cavity of the hopper is divided into three chambers, namely a middle main chamber, a right chamber and a left chamber, by a right partition plate and a left partition plate which are vertically arranged, the lower end surfaces of the right partition plate and the left partition plate are hermetically connected with the bottom surface of the inner part of the hopper, and the upper end surfaces of the right partition plate and the left partition plate are hermetically connected with the bottom surface of the upper cover of the hopper after the upper cover of the hopper is closed; the middle main chamber is a primary gravity separation area for sucking materials, and the right chamber is communicated with the middle main chamber through a filter grid arranged on the upper part of a right partition plate to form a secondary gravity separation settling area.

The left bin is divided into a left cavity and a right cavity by the baffle, the bottom of the baffle extends to the middle lower part of the inner cavity of the hopper, a gap for ventilation is reserved at the bottom of the baffle, the right cavity is an air guide channel, the filtering device is positioned above the left cavity, an inclined baffle with the left end gradually inclined upwards is arranged below the left cavity, and the inclined baffle and the bottom surface of the hopper form an included angle of 38 degrees.

The filtering device is composed of a supporting frame and z groups of vertically arranged fine filtering cores arranged in the supporting frame, the z groups of fine filtering cores are arranged in the supporting frame to form a matrix with m rows and n columns, z = mxn, and the filtering precision of each fine filtering core is 10 mu m.

The hopper is provided with a discharging device, the discharging device comprises a rotating shaft and two overturning oil cylinders respectively arranged at two ends of the hopper, the rotating shaft is horizontally arranged at one side of the hopper, two ends of the rotating shaft are hinged in two overturning seats, and the two overturning seats are respectively arranged at the upper ends of supporting legs at two sides of the hopper; and one end of each overturning oil cylinder is connected with the auxiliary frame, the other end of each overturning oil cylinder is connected with the hopper, and the two overturning oil cylinders are respectively arranged on two sides of the hopper and used for driving the hopper to overturn and unload on the left side of the vehicle body around the overturning seat through the rotating shaft.

The interior of the upper cover of the hopper is divided into five through air flow channels by a plurality of baffles;

an outlet end channel of the first air flow channel is communicated with the middle main chamber and extends along the length direction of the middle main chamber, and an inlet end channel A of the first air flow channel is a cylindrical pipe and can be butted with the tail end of the material suction hose;

an inlet end channel B of the airflow channel II is communicated with the right bin and extends along the width direction of the right bin, and an outlet end channel of the airflow channel II extends along the length direction of the middle main bin and is intersected and communicated with the inlet end channel B;

the third airflow channel is perpendicular to and intersected with the second airflow channel, and the outlet end C of the third airflow channel is communicated with the right cavity of the left bin;

the inlet end of the airflow channel IV is communicated with the left cavity of the left bin, the outlet end D of the airflow channel IV is communicated with the inlet end of the airflow channel V, and the outlet end E of the airflow channel V is communicated with the input port of the centrifugal fan;

an upper cover partition plate is arranged at the bottom of the upper cover of the hopper, the upper cover of the hopper is closed with the hopper, the upper cover partition plate extends into the right bin, and the bottom of the upper cover partition plate is positioned at the middle upper part of the right bin.

Be provided with cleaning device in the hopper upper cover directly over filter equipment, cleaning device includes the vertical meticulous spray tube of crossing the filter element one-to-one who establishes with Z group, Y = Z, the vertical setting of Y spray tube, and the upper end is through outlet duct and high-pressure gas holder exit end intercommunication, there is the exhaust control valve on the outlet duct of high-pressure gas holder exit end, the entry end of high-pressure gas holder is connected with the air compressor machine through the intake pipe, has the air control valve of admitting air in the intake pipe.

The material suction hose is installed on an arm frame, the inner diameter of the material suction hose is 250mm, the arm frame comprises a fixed arm, a first-stage arm, a second-stage arm, a third-stage arm and a pipe joint which are sequentially hinged end to end, the fixed arm is vertically arranged at the rear end of the auxiliary frame, the bottom of the fixed arm is connected with a hydraulic motor through a coupler, the coupler is installed and fixed at the rear end of the auxiliary frame, two ends of a first-stage arm oil cylinder are respectively hinged with the fixed arm and the first-stage arm, and the pitching of the first-stage arm is controlled; after the first-stage arm, the second-stage arm, the third-stage arm and the pipe joint are mutually hinged, a hinge seat group for hinging a piston rod of an arm support oil cylinder is arranged between the adjacent first-stage arm, the second-stage arm, the third-stage arm and the pipe joint, and the bottom of a cylinder barrel of the arm support oil cylinder is hinged on the previous arm support; the hinged support group comprises a hinged support I and a hinged support II, wherein one end of the hinged support I is hinged with one end of the hinged support II, and the other ends of the hinged support I and the hinged support II are respectively hinged between two adjacent arm supports or between the adjacent arm supports and the pipe joint; one end of the pipe joint is connected with one end of the rotary support through a connecting pipe A, the other end of the rotary support is connected with a connecting pipe B, the connecting pipe B is connected with the rotary excavating head through a hoop, and the rotary support drives the connecting pipe B and the rotary excavating head to perform excavating operation; the other end of the pipe joint is connected with the head end of the material suction hose through a clamping hoop.

The utility model discloses combine water conservancy and strength to excavate, can effectively avoid pipeline's damage, also can clear up to the dead angle position, the clearance effect obtains obviously promoting.

The utility model discloses a high pressure blowback air current can clean filter equipment, makes the maintenance cycle of vehicle can prolong. The excavation operation needs frequent cleanness in the face of materials such as dry or moist soil, silt, grit, leaf and water, and filtration system adopts the utility model discloses a high pressure blowback air current can clean filter equipment, can alleviate operating personnel intensity of labour, ensures good operation environment and personal occupational health safety. The utility model discloses a high pressure of equipment self utilizes the high-pressure draught to blow in reverse cleanness under the carriage airtight state, and the operation environment is comfortable safety, reduces artifical intensity of labour.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the air flow delivery of the present invention;

fig. 3 is a rear view of the present invention;

FIG. 4 is a diagram illustrating the open state of the top cover and the expanded state of the hopper according to the present invention;

fig. 5 is a bottom view of the upper cover of the present invention;

fig. 6 is a top view of the upper cover of the present invention;

FIG. 7 is a structural diagram of the boom of the present invention;

in the figure: 1. a vehicle chassis; 2. an auxiliary frame; 3. a centrifugal fan; 4. a silencer device; 5. a filtration device; 6. a hopper; 7. an upper cover of the hopper; 7-1, a high-pressure gas storage tank; 7-2, an air inlet pipe; 7-3, spraying pipes; 7-4, covering a clapboard; 7-5, an air outlet pipe; 7-6, an exhaust control valve; 7-7, an air inlet control valve; 8. turning over the oil cylinder; 9. a tool box; 10. a support leg; 11. a left bin; 12. a right baffle plate; 13. an intermediate main chamber; 14. a right baffle plate; 15. a right bin; 16. a material suction hose; 17. an air compressor; 18. a water tank; 19. a high pressure water pump; 20. a pipeline; 21. a pipe clamp; 22. a boom; 22-1, a hydraulic motor; 22-2, a coupler; 22-3, a fixed arm; 22-4, a first-stage arm cylinder; 22-5, a first stage arm; 22-6, a second-stage arm oil cylinder; 22-7, hinged support 1;22-8, hinged support 2;22-9, second stage arm; 22-10, a third-stage arm oil cylinder; 22-11, third level arm; 22-12, a pipe joint oil cylinder; 22-13, pipe joints; 22-14, connecting pipe 1;22-15, rotating and supporting; 22-16, connecting pipe 2;22-17, a hoop; 22-18, an excavating head; 23. a high-pressure water pipe joint; 24. a high pressure gas pipe joint; 25. a turning seat; 26. an upper cover oil cylinder; 27. rotation axis, 28, filter grid.

Detailed Description

Various embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in fig. 1, the utility model provides an arm support and excavation suction vehicle using the same, which are used for excavating, sucking, transporting and unloading materials, and comprise an auxiliary frame 2 and supporting legs 10 arranged on a vehicle chassis 1, a centrifugal fan 3, a hopper 6, an arm support 22, a hydraulic cutting system and a pneumatic excavation system; the centrifugal fan 3 and the hopper 6 are arranged on the auxiliary frame 2 side by side and are mutually communicated, two supporting legs 10 are respectively arranged on the auxiliary frame 2 at two ends of the hopper 6, an openable hopper upper cover 7 is arranged at the top of the hopper 6, a channel for air flow transmission is arranged in the hopper upper cover 7, a material suction hose 16 is attached to an arm support 22, one end of the material suction hose 16 is connected with the hopper upper cover 7, and the other end of the material suction hose is connected with a pipe joint 22-13 of the arm support 22; the centrifugal fan 3 is used for pumping air to pump the inner cavity of the hopper 6 into a negative pressure state, and the pressure difference between the inner cavity of the hopper 6 and the atmosphere is utilized to drive the material suction hose 16 to move through the arm support 22 so as to suck the materials to be sucked into the hopper 6. The centrifugal fan 3 is driven by a hydraulic motor. The outlet of the centrifugal fan 3 is connected with a silencer 4.

The hydraulic cutting system comprises a water tank 18 and a high-pressure water pump 19, one end of the high-pressure water pump 19 is connected with the water tank 18, the other end of the high-pressure water pump is connected with a high-pressure water pipe connector 23 through a pipeline 20, and the high-pressure water pipe connector 23 is connected with a high-pressure water gun which is used for spraying high-pressure water flow to a hard soil layer to cut and crush the hard soil layer and then can cut soil. A water tank 18 is arranged on the subframe 2 and a high-pressure water pump 19 is arranged on the vehicle chassis. The working pressure of the high-pressure water pump 19 is 36MPa

The pneumatic excavating system comprises an air compressor 17 and a high-pressure air pipe joint 24, one end of the high-pressure air pipe joint 24 is connected with the air compressor 17, compressed air is provided by the air compressor 17, and the other end of the high-pressure air pipe joint can impact and crush the ground after being connected with a matched air pick and an air blow gun. The working pressure of the air compressor 17 is 0.7Mpa.

As shown in fig. 2, a right partition plate 14 and a left partition plate 12 are arranged in the hopper 6, and divide the inner cavity of the hopper 6 into three chambers, the lower end surfaces of the right partition plate 14 and the left partition plate 12 are hermetically connected with the bottom surface of the inner part of the hopper 6, and the upper end surfaces of the right partition plate 14 and the left partition plate 12 are hermetically connected with the bottom surface of the upper cover 7 of the hopper after the upper cover 7 of the hopper is closed; the middle main bin 13 is a primary gravity separation area for sucking materials, the right bin 15 is communicated with the middle main bin 13 through a filter grid 28 arranged on the upper part of the right partition plate 14, the right bin 15 is a secondary gravity separation settling area, and the left bin 11 is provided with a fine filtering device 5. Two cavitys about left storehouse 11 is separated into through the baffle, and the baffle bottom extends to the well lower part of 6 inner chambers of hopper, leaves the space that is used for ventilating between baffle bottom and the 6 bottom surfaces of hopper, and right side cavity is air guide channel, and filter equipment 5 is located the top of left cavity, and the slope baffle of the gradual tilt up of left end is installed to the below of left cavity, and the contained angle between slope baffle and the 6 bottom surfaces of hopper is 38, and left storehouse 11 bottom material is piled up to being close to right cavity one side under the action of gravity.

The proportional relationship of the lengths of the intermediate main chamber 13, the right chamber 15 and the left chamber 11 is 7: 1: 3. The middle main chamber 13 is mainly used for containing pumped materials, has the volume of 8 cubic meters, is basically matched with the volume of a carriage of a dumper in the daytime operation in cities, and reduces the waiting time of the matched dumper. The right bin 15 is mainly used for depositing light materials with the diameter of less than 10 mm. The left bin 11 is mainly used for installing the filtering device 5 and settling fine particles.

As shown in fig. 3, the filtering device 5 is composed of a supporting frame and 40 groups of vertically arranged fine filtering cores arranged in the supporting frame, wherein the 40 groups of fine filtering cores are arranged in the supporting frame to form a matrix with 10 rows and 4 columns, 40=10 × 4, the filtering precision of each fine filtering core is 10 μm, and the filtering device can be cleaned by high-pressure back-blowing airflow, so that the labor intensity of operators is reduced, and good working environment and personnel occupational health safety are guaranteed. The utility model discloses a high pressure of equipment self utilizes the high-pressure draught reverse to blow cleanly under the carriage airtight state, and the operation environment is comfortable safety, reduces artifical intensity of labour.

The hopper 6 is pivotable about an axis of rotation 27 extending parallel to the longitudinal axis of the vehicle between an operating position and an emptying position in which the open end of the hopper 6 is directed downwardly to enable the discharge of material in the chamber by gravity; the discharging device comprises a rotating shaft 27 and two overturning oil cylinders 8 which are respectively arranged at two ends of the hopper 6, the rotating shaft 27 is horizontally arranged at one side of the hopper 6, two ends of the rotating shaft 27 are hinged in two overturning seats 25, and the two overturning seats 25 are respectively arranged at the upper ends of the supporting legs 10 at two sides of the hopper 6; the cylinder barrel of the overturning oil cylinder 8 is hinged on the auxiliary frame 2, the top end of the piston rod of the overturning oil cylinder 8 is hinged on the hopper 6, and the two overturning oil cylinders 8 are respectively arranged at two sides of the hopper 6, so that the hopper 6 can overturn and unload towards one side of the vehicle body around the overturning seat 25 through the rotating shaft 27. The hopper upper cover 7 can pivot around a pivot shaft extending parallel to the longitudinal axis of the vehicle in a working position and an avoiding position; the upper hopper cover 7 is sealed to cover the open end of the upper side of the hopper 6 when in the working position. When the excavating and pumping vehicle carries out unloading work, the supporting legs 10 extend out until the lower ends of the supporting legs 10 are in contact with the ground, the piston rods of the upper cover oil cylinders 26 extend out to drive the upper hopper cover 7 to rotate around the pivoting shaft to be opened, the overturning oil cylinders 8 extend out to enable the hopper 6 to rotate around the rotating shaft 27 fixed on the hopper 6, so that the hopper 6 is inclined, and materials in the hopper 6 are unloaded under the action of gravity; after the discharge is completed, the inverting cylinder 8 and the upper cover cylinder 26 are retracted, so that the hopper 6 and the hopper upper cover 7 are restored to the state shown in fig. 1. The cylinder barrel of the upper cover cylinder 26 is arranged on the vehicle auxiliary frame 2, and the top end of the piston rod of the upper cover cylinder 26 is hinged on the hopper upper cover 7.

As shown in fig. 4, the interior of the hopper upper cover 7 is divided into five through air flow passages by a plurality of baffles: an outlet end channel of the first air flow channel extends along the length direction of the middle main chamber 13 and is communicated with the middle main chamber 13, and an inlet end channel A of the first air flow channel is a cylindrical pipe and can be butted with the tail end of the material suction hose 16; an inlet end channel B of the airflow channel II is communicated with the right bin 15 and extends along the width direction of the right bin 15, and an outlet end channel of the airflow channel II extends along the length direction of the middle main bin 13, intersects with the inlet end channel B and is communicated with the inlet end channel B; the third airflow channel is vertical to and intersected with the outlet end channel of the second airflow channel, and the outlet end C of the third airflow channel is communicated with the right cavity of the left bin 11; the inlet end of the airflow channel IV is communicated with the left cavity of the left bin 11, the outlet end D of the airflow channel IV is communicated with the inlet end of the airflow channel V, and the outlet end E of the airflow channel V is communicated with the input port of the centrifugal fan 3. An upper cover partition plate 7-4 is arranged at the bottom of the upper hopper cover 7, when the upper hopper cover 7 is covered with the hopper, the upper cover partition plate 7-4 extends into the right bin 15, and the bottom of the upper cover partition plate 7-4 is positioned at the middle upper part of the right bin 15.

As shown in fig. 5, one end of a high-pressure air storage tank 7-1 at the top of the upper cover 7 is connected with an air compressor 17 through an air inlet control valve 7-7 and an air inlet pipe 7-2; the other end is connected with 40 spray pipes 7-3 at the bottom of the upper cover 7 through an exhaust control valve 7-6 and an air outlet pipe 7-5; after the upper cover 7 is closed, 40 spray pipes 7-3 are positioned right above the filtering device 5. When the ventilation capacity of the filtering device 5 is reduced, the air inlet control valve 7-7 is opened, compressed air is supplied to the high-pressure air storage tank 7-1 by the air compressor 17, when the air pressure in the high-pressure air storage tank 7-1 reaches a required pressure value, the air inlet control valve 7-7 is closed, the air exhaust control valve 7-6 is opened, and high-pressure air flow in the high-pressure air storage tank 7-1 reversely blows the filtering device 5, so that the attachment of dust on the surface of the filtering device 5 is reduced, and the filtering capacity of the filtering device is improved.

As shown in fig. 6, a fixing arm 22-3 is vertically arranged at the rear end of the subframe 2, one end of the fixing arm 22-3 is connected with a hydraulic motor 22-1 through a coupler 22-2, the coupler 22-2 is fixedly arranged at the rear end of the subframe 2, and the fixing arm 22-3 is driven by the hydraulic motor 22-1 to rotate; the other end of the fixed arm 22-3 is connected with a first-stage arm 22-5 in a hinged mode, and two ends of a first-stage arm oil cylinder 22-4 are respectively hinged with the fixed arm 22-3 and the first-stage arm 22-5 to control the pitching of the first-stage arm 22-5; the first-stage arm 22-5, the second-stage arm 22-9, the third-stage arm 22-11 and the pipe joint 22-13 are sequentially hinged end to end, a hinge seat group for hinging a piston rod of an arm support oil cylinder is arranged between two adjacent first-stage arms 22-5, the second-stage arms 22-9, the third-stage arms 22-11 and the pipe joints 22-13 and comprises a hinge support I22-7 and a hinge support II 22-8, one ends of the hinge supports I22-7 and the other ends of the hinge supports II 22-8 are hinged between two adjacent arm supports or between the adjacent arm supports and the pipe joints, a cylinder barrel of each arm support oil cylinder is hinged to the previous arm support, and a telescopic rod of each arm support oil cylinder is hinged to the corresponding hinge seat group; one end of a pipe joint 22-13 is connected with one end of a rotary support 22-15 through a connecting pipe A22-1, the other end of the rotary support 22-15 is connected with a connecting pipe B22-16, and the connecting pipe B22-16 is connected with a rotary excavating head 22-18 through a clamp 22-17; the other end of the pipe joint 22-13 is connected with the head end of the suction hose 16 through a clamp 22-17. The rotary excavating heads 22-18 are detached and placed in the tool box 9 during the running of the vehicle, and the tool box 9 is connected with the auxiliary frame 2.

As shown in fig. 7, the clamps 22-17 of the boom 22 and the swinging excavator head 22-18 are removed and placed inside the tool during vehicle travel. The suction hose 16 is fixed on the arm support 22 through a pipe clamp 21.

Claims (10)

1. An excavation suction vehicle, characterized in that: the method comprises the following steps:

an auxiliary frame (2), the auxiliary frame (2) being arranged on a vehicle chassis;

two telescopic legs (10), the two legs (10) being respectively arranged on the front and rear ends of the left side of the vehicle chassis;

the centrifugal fan (3) is used for generating suction force, the centrifugal fan (3) is arranged on the front side of the auxiliary frame (2) in the vehicle running direction, and a silencer (4) is arranged on an output port of the centrifugal fan (3);

the hopper (6) is arranged on the rear side of the auxiliary frame (2) in the vehicle running direction and can pivot between a working position and an emptying position around a rotating shaft (27) extending parallel to the longitudinal axis of the vehicle, the hopper (6) is provided with a containing cavity, the containing cavity is divided into three chambers through two partition plates, and a filtering device (5) is arranged in a left bin (11) close to one side of the centrifugal fan (3);

a suction hose (16);

the hopper upper cover (7) is internally provided with an airflow channel for communicating the suction hose (16), the hopper (6) and the centrifugal fan (3), and the hopper upper cover (7) can pivot around a pivot shaft extending parallel to the longitudinal axis of the vehicle at a working position and an avoidance position; when the upper cover (7) of the hopper is in a working position, the upper cover is hermetically covered on the opening end of the upper side of the hopper (6);

a hydraulic cutting system;

pneumatic excavation system.

2. An excavating and suction vehicle according to claim 1, characterized in that: the hydraulic cutting system comprises a water tank (18) and a high-pressure water pump (19), the water tank (18) is arranged on the auxiliary frame (2), the high-pressure water pump (19) is arranged on a vehicle chassis, one end of the high-pressure water pump (19) is connected with the water tank (18), the other end of the high-pressure water pump is connected with a high-pressure water pipe joint (23) through a pipeline (20), and the high-pressure water pipe joint (23) is positioned at the tail part of the vehicle chassis; the high-pressure water pipe joint (23) is connected with a high-pressure water gun for spraying high-pressure water flow to a hard soil layer for cutting and crushing;

the working pressure of a high-pressure water pump (19) of the hydraulic cutting system is 36MPa.

3. An excavating and suction vehicle according to claim 1, characterized in that: the pneumatic excavating system comprises an air compressor (17) and a high-pressure air pipe joint (24), one end of the high-pressure air pipe joint (24) is connected with the air compressor (17) through a pipeline, compressed air is provided by the air compressor (17), and the other end of the high-pressure air pipe joint is used for performing impact crushing operation on a concrete layer, hard stones and large stones above a breaking and dismantling pipeline after being connected with a matched air pick or an air blow gun;

the working pressure of an air compressor (17) of the pneumatic excavation system is 0.7Mpa.

4. A mining suction vehicle as claimed in claim 1, wherein: the inner cavity of the hopper (6) is divided into three chambers, namely a middle main chamber (13), a right chamber (15) and a left chamber (11), by a right partition plate (14) and a left partition plate (12) which are vertically arranged, the lower end surfaces of the right partition plate (14) and the left partition plate (12) are hermetically connected with the bottom surface inside the hopper (6), and the upper end surfaces of the right partition plate (14) and the left partition plate (12) are hermetically connected with the bottom surface of the upper cover (7) of the hopper after the upper cover (7) of the hopper is closed; the middle main chamber (13) is a primary gravity separation area for sucking materials, and the right chamber (15) is communicated with the middle main chamber (13) through a filter grid (28) arranged on the upper part of the right partition plate (14) to form a secondary gravity separation settling area.

5. An excavating and suction vehicle according to claim 1 or 4, characterized in that: two cavitys about left side storehouse (11) are separated into through the baffle, and the baffle bottom extends to the well lower part of hopper (6) inner chamber and the bottom leaves the space that is used for ventilating, and right side cavity is air guide channel, and filter equipment (5) are located the top of left cavity, and the slope baffle of the gradual tilt up of left end is installed to the below of left cavity, and the bottom surface contained angle of slope baffle and hopper (6) is 38.

6. A mining suction vehicle as claimed in claim 5, characterised in that: the filtering device (5) is composed of a supporting frame and z groups of fine filtering cores which are vertically arranged in the supporting frame, the z groups of fine filtering cores are arranged in the supporting frame to form a matrix with m rows and n columns, z = m × n, and the filtering precision of each fine filtering core is 10 μm.

7. A mining suction vehicle according to any one of claims 1, 4 and 6, characterized in that: the hopper (6) is provided with a discharging device, the discharging device comprises a rotating shaft (27) and two overturning oil cylinders (8) respectively arranged at two ends of the hopper (6), the rotating shaft (27) is horizontally arranged at one side of the hopper (6), two ends of the rotating shaft are hinged in two overturning seats (25), and the two overturning seats (25) are respectively arranged at the upper ends of supporting legs (10) at two sides of the hopper (6); and one end of each overturning oil cylinder (8) is connected with the auxiliary frame (2), the other end of each overturning oil cylinder is connected with the hopper (6), and the two overturning oil cylinders (8) are respectively arranged on two sides of the hopper (6).

8. An excavating and suction vehicle according to claim 1, characterized in that: the interior of the hopper upper cover (7) is divided into five through air flow channels by a plurality of baffles;

an outlet end channel of the first air flow channel is communicated with the middle main chamber (13) and extends along the length direction of the middle main chamber (13), and an inlet end channel A of the first air flow channel is a cylindrical pipe and can be butted with the tail end of the material suction hose (16);

an inlet end channel B of the airflow channel II is communicated with the right bin (15) and extends along the width direction of the right bin (15), and an outlet end channel of the airflow channel II extends along the length direction of the middle main bin (13) and intersects and is communicated with the inlet end channel B;

the third airflow channel is perpendicular to and intersected with the second airflow channel, and the outlet end C of the third airflow channel is communicated with the right cavity of the left bin (11);

the inlet end of the airflow channel IV is communicated with the left cavity of the left bin (11), the outlet end D of the airflow channel IV is communicated with the inlet end of the airflow channel V, and the outlet end E of the airflow channel V is communicated with the input port of the centrifugal fan (3);

an upper cover partition plate (7-4) is arranged at the bottom of the upper hopper cover (7), when the upper hopper cover (7) is covered with the hopper, the upper cover partition plate (7-4) extends into the right bin (15), and the bottom of the upper cover partition plate (7-4) is positioned at the middle upper part of the right bin (15).

9. An excavating and suction vehicle according to claim 1 or 8, characterized in that: a cleaning device is arranged in a hopper upper cover (7) right above the filtering device (5), the cleaning device comprises Y spray pipes (7-3) which are vertically arranged with a Z group and are in one-to-one correspondence with fine filter elements, Y = Z, the Y spray pipes (7-3) are vertically arranged, the upper ends of the Y spray pipes are communicated with the outlet end of a high-pressure air storage tank (7-1) through air outlet pipes (7-5), an exhaust control valve (7-6) is arranged on the air outlet pipe (7-5) at the outlet end of the high-pressure air storage tank (7-1), the inlet end of the high-pressure air storage tank (7-1) is connected with an air compressor (17) through an air inlet pipe (7-2), and an air inlet control valve (7-7) is arranged on the air inlet pipe (7-2).

10. An excavating and suction vehicle according to claim 1, characterized in that: the material suction hose (16) is mounted on an arm support (22), the inner diameter of the material suction hose (16) is 250mm, the arm support (22) comprises a fixed arm (22-3), a first-stage arm (22-5), a second-stage arm (22-9), a third-stage arm (22-11) and a pipe joint (22-13), the fixed arm (22-3) is vertically arranged at the rear end of the auxiliary frame (2), the bottom of the fixed arm (22-3) is connected with a hydraulic motor (22-1) through a coupler (22-2), the coupler (22-2) is mounted and fixed at the rear end of the auxiliary frame (2), and two ends of a first-stage arm oil cylinder (22-4) are respectively hinged with the fixed arm (22-3) and the first-stage arm (22-5); after the first-stage arm (22-5), the second-stage arm (22-9), the third-stage arm (22-11) and the pipe joint (22-13) are hinged with each other, a hinge seat group for hinging a piston rod of an arm support oil cylinder is arranged between the adjacent first-stage arm (22-5), the second-stage arm (22-9), the third-stage arm (22-11) and the pipe joint (22-13), and the bottom of a cylinder barrel of the arm support oil cylinder is hinged on the previous arm support; the hinged support group comprises a hinged support I (22-7) and a hinged support II (22-8), one ends of the hinged support I (22-7) and the hinged support II (22-8) are hinged to each other, and the other ends of the hinged support I (22-7) and the hinged support II (22-8) are respectively hinged between two adjacent arm supports or between the adjacent arm supports and the pipe joint; one end of a pipe joint (22-13) is connected with one end of a rotary support (22-15) through a connecting pipe A (22-14), the other end of the rotary support (22-15) is connected with a connecting pipe B (22-16), the connecting pipe B (22-16) is connected with a rotary excavating head (22-18) through a hoop (22-17), and the rotary support (22-15) drives the connecting pipe B (22-16) and the rotary excavating head (22-18) to perform excavating operation; the other end of the pipe joint (22-13) is connected with the head end of the material suction hose (16) through a clamping hoop.

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