CN211474112U - Dust removal device for fully-mechanized excavating machine - Google Patents
Dust removal device for fully-mechanized excavating machine Download PDFInfo
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- CN211474112U CN211474112U CN201922082606.5U CN201922082606U CN211474112U CN 211474112 U CN211474112 U CN 211474112U CN 201922082606 U CN201922082606 U CN 201922082606U CN 211474112 U CN211474112 U CN 211474112U
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Abstract
The utility model provides a dust collector for combining machine of digging, including combining the quick-witted fuselage of digging, combine the quick-witted cutterhead of digging, the dust removal radome fairing, flexible dryer, cyclone and first centrifugal fan, it is equipped with pick and guide slot to combine the outer circumference of the quick-witted cutterhead of digging, spraying system in installing on the pick, the dust removal radome fairing sets up the rear side at the quick-witted cutterhead of digging, the dust removal radome fairing is provided with outer spraying system on the surface, the rear side middle part fixed connection of dust removal radome fairing is at the front end of flexible dryer, the front end of flexible dryer communicates with the concave part of dust removal radome fairing, the rear end of flexible dryer and cyclone's air intake connection, first centrifugal fan fixed mounting is passed through the exhaust pipe at cyclone's top and is connected with cyclone. The utility model discloses borrow the dust removal method of industrial boiler for reference, use cyclone separation to combine to dig the quick-witted working process, utilize interior spraying system and outer spraying system simultaneously, reduce dust concentration, effectively prevent the granule in the dust and block up the shower nozzle, improve dust removal effect.
Description
Technical Field
The utility model relates to a combine and dig quick-witted equipment technical field, specifically speaking relates to a dust collector for combining machine of digging.
Background
The existing fully-mechanized excavating machine is widely applied to coal mines, nonferrous metal mines and tunnel construction. During the use process of the fully-mechanized excavating machine, a large amount of dust is generated, and the dust concentration cannot be reduced to the relevant specified requirement by the traditional spraying dust settling process. Too big dust concentration influences workman's physical and mental health, and the visibility is low to be unfavorable for safe operation, and the dust can increase the operation personnel and get pneumoconiosis's risk, and high concentration dust still has the explosiveness, has increased the safety risk.
At present, the fully-mechanized excavating machine mainly adopts a spraying dust-settling mode combining inner spraying and outer spraying. Because the spray head is often blocked by particles in dust such as coal dust, rock dust and the like, the dust removal effect is poor.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust collector for combining machine of digging, the utility model discloses use cyclone separation to combine the quick-witted working process of digging with reference to industrial boiler's dust removal method, utilize interior water-spraying system and outer water-spraying system simultaneously, reduce dust concentration, effectively prevent the granule in the dust and block up the shower nozzle, improve dust removal effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dust removal device for a roadheader comprises a roadheader body, a roadheader cutting head, a dust removal fairing, a flexible air duct, a cyclone separator and a first centrifugal fan, wherein the roadheader cutting head is rotatably arranged at the front end of the roadheader body through a cutting head connecting shaft, an electromechanical control system is arranged inside the roadheader body, a cutting tooth and a guide groove are arranged on the outer circumference of the roadheader cutting head, an inner spraying system spraying water mist towards the periphery is arranged on the cutting tooth, the opening of the dust removal fairing faces the front, the dust removal fairing is arranged on the rear side of the roadheader cutting head and is positioned above the cutting head connecting shaft, the diameter of the dust removal fairing is larger than the maximum outer diameter of the roadheader cutting head, an outer spraying system spraying water mist towards the periphery is arranged on the surface of the dust removal fairing, the middle part of the rear side of the dust removal fairing is fixedly connected to the front end of the flexible air duct, and the front end of the flexible air duct is communicated with a concave part of the dust, the rear end of flexible dryer and cyclone's air intake connection, flexible dryer is through first support fixed connection combine on the quick-witted body of digging, cyclone is vertical to be set up and is being combined on the right side of digging the quick-witted body through second support fixed connection, a centrifugal fan fixed mounting is at cyclone's top, cyclone's top is passed through the exhaust pipe and is connected with a centrifugal fan's suction opening, cyclone's bottom is equipped with the row's of taking sealed lid ash mouth, cyclone's bottom is higher than the bottom of combining the quick-witted body of digging.
The dust removal fairing and the flexible air duct are made of flexible air cloth, the outer surface of the rear side of the dust removal fairing is connected with a first rigid framework, the outer surface of the outer circumference of the flexible air duct is connected with a second rigid framework, and a storage device used for folding the first rigid framework and storing the dust removal fairing is connected between the rear side of the first rigid framework and the front side of the second rigid framework.
The first rigid framework comprises a plurality of first main bones and a first ring-shaped bone for supporting the dust removal fairing, each first main bone is arranged along the front-back direction and is circumferentially arrayed about the central line of the dust removal fairing, each first main bone is an arc-shaped rod bent forwards, the central line of each first ring-shaped bone is superposed with the central line of the dust removal fairing, the first ring-shaped bone is fixedly connected to the middle part of the rear side of the dust removal fairing, and the rear end of each first main bone is hinged to the first ring-shaped bone;
the second rigid framework comprises a plurality of second ring-shaped bones and a plurality of second main bones, the second ring-shaped bones are used for supporting the flexible air duct, the second ring-shaped bones are sleeved on the outer circumference of the flexible air duct at equal intervals and at the same center, the outer circumference of the flexible air duct is fixedly connected with the inner circle of the second ring-shaped bones, the length direction of the second main bones is consistent with the length direction of the flexible air duct, the second main bones are arrayed on the circumference of the central line of the flexible air duct, the second main bones are fixedly connected on the outer circle of the second ring, the front ends of the second main bones are fixedly connected on the outer circle of the first ring-shaped bones, and the middle part of the rear side of the dust removal fairing is integrally connected with the front end of the flexible air duct.
Storage device includes a plurality of supporting rod, sliding sleeve and two be used for driving gliding hydraulic cylinder around the sliding sleeve, each supporting rod all sets up and with each first main bone one-to-one fore-and-aft correspondence along the fore-and-aft direction, the front end of each supporting rod all articulates the middle part at corresponding each first main bone, the rear end of each supporting rod all articulates on the outer circumference of sliding sleeve, the sliding sleeve slides and cup joints the preceding lateral part at each second main bone, two hydraulic cylinder bilateral symmetry set up, two hydraulic cylinder's central line all sets up along fore-and-aft direction level, two hydraulic cylinder's piston rod front end corresponds respectively articulates the left and right sides portion at the sliding sleeve, two hydraulic cylinder's cylinder body rear end corresponds respectively articulates on a second main bone of the left and right sides.
The distance from the first support to the front end of the flexible air duct is greater than the length of the first main rib.
Still include suction hood and rigidity dryer, the central line of suction hood sets up along the fore-and-aft horizontal direction, the opening of suction hood is towards the place ahead, the suction hood sets up and is being combined the rear side of digging machine cutterhead and is located the below right part of cutterhead connecting axle, rigidity dryer is through third support fixed connection combine digging machine fuselage right side, the rear side middle part fixed connection of suction hood is at the front end of rigidity dryer, the rear end of rigidity dryer and cyclone's air intake connection, be provided with second centrifugal fan on the rigidity dryer
The first support, the second support and the third support are all trusses formed by a plurality of square pipes.
By adopting the technical scheme, the use method of the dust removal device for the fully-mechanized excavating machine comprises the following steps:
(1) opening the dust removal fairing;
(2) when the fully-mechanized excavating machine starts to work, a first centrifugal ventilator and a second centrifugal ventilator are started, negative pressure airflow is generated inside the cyclone separator and at the front end inside the rigid air duct, dust is sucked into the cyclone separator through the dust removing fairing, the flexible air duct, the dust suction hood and the rigid air duct, particles in the dust can fall down along the inner wall of the cyclone separator due to the centrifugal effect and the self gravity effect in the cyclone separator, a sealing cover is opened every time the fully-mechanized excavating machine works for one period, the particles at the bottom in the cyclone separator are cleaned and discharged through an ash discharge port, and the purified air is sucked into the first centrifugal ventilator through an exhaust pipe at the top of the cyclone separator and then discharged to the outside through the first centrifugal ventilator;
(3) when the fully-mechanized excavating machine works, the inner spraying system and the outer spraying system are started, so that the nozzles of the inner spraying system and the outer spraying system spray water mist outwards, the water mist is contacted with dust, and the concentration of particles in the dust is reduced.
The step (1) is specifically as follows: the hydraulic system of the fully-mechanized excavating machine controls piston rods of two hydraulic cylinders to be pushed out forwards to a limit position, the piston rods of the two hydraulic cylinders push the sliding sleeve forwards, the front end of each supporting connecting rod is hinged to the middle of each corresponding first main bone, the rear end of each supporting connecting rod is hinged to the outer circumference of the sliding sleeve, the rear end of each first main bone is hinged to the first round bone, the sliding sleeve can push the rear end of each supporting connecting rod to move forwards, each supporting connecting rod can push each first main bone to turn forwards, and therefore each first main bone stretches out the dust removal fairing.
Compared with the prior art, the utility model has substantive characteristics and progress, in particular to a dust removal method for an industrial boiler by reference, cyclone dust removal is applied to the working process of the roadheader, a dust removal fairing and a dust hood are arranged at the rear side of the roadheader cutting head of the roadheader, the dust removal fairing is positioned above a connecting shaft of the cutting head, a concave part of the dust removal fairing is connected with an air inlet of a cyclone separator through a flexible air duct, the lower side of the flexible air duct is fixedly connected with the roadheader body through a first bracket, the cyclone separator is fixedly connected at the right side of the roadheader body through a second bracket, a first centrifugal ventilator is fixedly arranged at the top of the cyclone separator, the top of the cyclone separator is connected with a suction opening of the first centrifugal ventilator through an exhaust pipe, the dust hood is positioned at the right part below the connecting shaft of the cutting head, the rigid air duct is fixedly connected at the right side of the roadheader body through a third bracket, the middle part of the rear side of the dust hood is fixedly connected with the front end of the rigid air duct, the concave part of the dust hood is communicated with the front end of the rigid air duct, the rear end of the rigid air duct is connected with an air inlet of the cyclone separator, the rigid air duct is provided with a second centrifugal fan, when the roadheader works, a first centrifugal fan and the second centrifugal fan are started to enable the interior of the cyclone separator and the front end of the interior of the rigid air duct to generate negative pressure airflow, dust is sucked into the cyclone separator through the dust removing fairing, the flexible air duct, the dust hood and the rigid air duct, particles in the dust can fall downwards along the inner wall of the cyclone separator due to the centrifugal effect and the self gravity effect in the cyclone separator, a sealing cover is opened every time the roadheader works for one cycle, the particles at the bottom in the cyclone separator are cleaned and discharged through a dust discharge port, and the purified air is sucked into the first centrifugal fan through an exhaust pipe at the top of the cyclone separator, the dust removing device is characterized in that the dust removing device is arranged outside through a first centrifugal fan, an inner spraying system which sprays towards the periphery is arranged on a cutting tooth of a cutting head of the roadheader, and an outer spraying system is arranged on the outer surface of the rear side of the dust removing fairing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a rear view schematic diagram of the dust removing fairing of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1-3, a dust removing device for a roadheader comprises a roadheader body 1, a roadheader cutting head 2, a dust removing fairing 3, a flexible air duct 4, a cyclone separator 5 and a first centrifugal ventilator 6, wherein the roadheader cutting head 2 is rotatably installed at the front end of the roadheader body 1 through a cutting head connecting shaft 7, a cutting tooth 8 and a guide groove 9 are arranged on the outer circumference of the roadheader cutting head 2, an inner spraying system for spraying water mist towards the periphery is installed on the cutting tooth 8, the opening of the dust removing fairing 3 faces towards the front, the dust removing fairing 3 is arranged at the rear side of the roadheader cutting head 2 and above the cutting head connecting shaft 7, the diameter of the dust removing fairing 3 is larger than the maximum outer diameter of the roadheader cutting head 2, an outer spraying system for spraying water mist towards the periphery is arranged on the surface of the dust removing fairing 3, the middle part of the rear side of the dust removing fairing 3 is fixedly connected at the front end of the flexible air duct 4, the front end of the flexible air duct 4 is communicated with the concave part of the dedusting fairing 3, the rear end of the flexible air duct 4 is connected with an air inlet of the cyclone separator 5, the flexible air duct 4 is fixedly connected to the roadheader body 1 through a first support 10, the cyclone separator 5 is vertically arranged and is fixedly connected to the right side of the roadheader body 1 through a second support 11, the first centrifugal fan 6 is fixedly installed at the top of the cyclone separator 5, the top of the cyclone separator 5 is connected with an air suction opening of the first centrifugal fan 6 through an exhaust pipe 12, an ash discharge opening with a sealing cover is arranged at the bottom of the cyclone separator 5, and the bottom of the cyclone separator 5 is higher than the bottom of the roadheader body 1.
Dust removal radome fairing 3 and flexible dryer 4 are made by flexible wind cloth, and the rear side outer surface of dust removal radome fairing 3 is connected with first rigidity skeleton, and the outer circumferential surface of flexible dryer 4 is connected with second rigidity skeleton, is connected with the storage device who is used for folding first rigidity skeleton and accomodates dust removal radome fairing 3 between the rear side of first rigidity skeleton and the front side of second rigidity skeleton.
The first rigid framework comprises a plurality of first main ribs 13 and a first annular rib 14, the first main ribs 13 support the dust removal fairing 3, each first main rib 13 is arranged along the front-back direction and is circumferentially arrayed relative to the central line of the dust removal fairing 3, each first main rib 13 is an arc-shaped rod bent forwards, the central line of each first annular rib 14 is superposed with the central line of the dust removal fairing 3, the first annular rib 14 is fixedly connected to the middle of the rear side of the dust removal fairing 3, and the rear end of each first main rib 13 is hinged to the first annular rib 14;
the second rigid framework comprises a plurality of second ring-shaped bones 15 and a plurality of second main bones 16 for supporting the flexible wind tube 4, the second ring-shaped bones 15 are sleeved on the outer circumference of the flexible wind tube 4 at equal intervals and in the same center, the outer circumference of the flexible wind tube 4 is fixedly connected with the inner circle of the second ring-shaped bones 15, the length direction of the second main bones 16 is consistent with the length direction of the flexible wind tube 4, the second main bones 16 are arrayed on the circumference of the central line of the flexible wind tube 4, the second main bones 16 are fixedly connected with the outer circle of the second ring, the front ends of the second main bones 16 are fixedly connected with the outer circle of the first ring-shaped bones 14, and the middle part of the rear side of the dust removal fairing 3 is integrally connected with the front end of the flexible wind tube 4.
The containing device comprises a plurality of supporting connecting rods 17, a sliding sleeve 18 and two hydraulic oil cylinders 19 used for driving the sliding sleeve 18 to slide forwards and backwards, each supporting connecting rod 17 is arranged along the front-back direction and corresponds to each first main bone 13 one by one forwards and backwards, the front ends of each supporting connecting rod 17 are hinged to the middle of each corresponding first main bone 13, the rear ends of each supporting connecting rod 17 are hinged to the outer circumference of the sliding sleeve 18, the sliding sleeve 18 is sleeved on the front side part of each second main bone 16 in a sliding mode, the two hydraulic oil cylinders 19 are arranged in a bilateral symmetry mode, the center lines of the two hydraulic oil cylinders 19 are horizontally arranged along the front-back direction, the front ends of piston rods of the two hydraulic oil cylinders 19 are correspondingly hinged to the left side part and the right side part of the sliding sleeve 18 respectively, and the rear ends of cylinder bodies of the two hydraulic oil.
The inner spraying system is a self-contained structure of the roadheader, and the specific structure is not described any more. The outer spraying system is a plurality of high-pressure nozzles arranged on each first main rib 13, the high-pressure nozzles are connected with a water pipe under a coal mine through a clean water pipe (arranged outside the flexible air duct 4 and arranged along the length direction of the flexible air duct 4), a high-pressure water pump is arranged on the clean water pipe, and the high-pressure water pump is driven by an explosion-proof variable frequency motor.
The distance from the first bracket 10 to the front end of the flexible air duct 4 is greater than the length of the first main rib 13.
The multifunctional excavator is characterized by further comprising a dust hood 20 and a rigid air duct 21, the central line of the dust hood 20 is arranged along the front-rear horizontal direction, the opening of the dust hood 20 faces the front, the dust hood 20 is arranged on the rear side of the roadheader cutting head 2 and located on the right portion below the cutting head connecting shaft 7, the rigid air duct 21 is fixedly connected to the right side of the roadheader body 1 through a third support 22, the middle portion of the rear side of the dust hood 20 is fixedly connected to the front end of the rigid air duct 21, a concave portion of the dust hood 20 is communicated with the front end of the rigid air duct 21, the rear end of the rigid air duct 21 is connected with an air inlet of the cyclone separator 5, and a second centrifugal fan 23 is arranged on the rigid air duct 21.
The first support 10, the second support 11 and the third support 22 are all trusses formed by a plurality of square pipes.
The inner spraying system, the outer spraying system, the ash discharge port, the sealing cover, the high-pressure spray head, the clear water pipe and the high-pressure water pump are all the existing mature technologies and are not shown in the figure. It is current equipment to combine to dig the machine, the utility model discloses do not improve to combining the machine of digging, first centrifugal fan 6 and second centrifugal fan 23's power is provided by the power of combining the machine of digging, and two hydraulic cylinder 19's hydraulic power is provided by the hydraulic system who combines the machine of digging.
Dust removal radome fairing 3 and first rigidity skeleton form the structure of similar umbrella, and is different with the umbrella, the utility model provides a first rigidity skeleton setting is in the outside of dust removal radome fairing 3, under hydraulic cylinder 19's drive, and the umbrella is by reverse state of strutting when just like strong wind when dust removal radome fairing 3 expandes.
By adopting the technical scheme, the dust removal method for the dust removal device of the fully-mechanized excavating machine comprises the following steps:
(1) opening the dust removal fairing 3;
(2) when the roadheader starts to work, the first centrifugal fan 6 and the second centrifugal fan 23 are started, negative pressure airflow (arrows in figures 1 and 2 indicate the direction of the negative pressure airflow) is generated inside the cyclone separator 5 and at the front end inside the rigid air duct 21, dust is sucked into the cyclone separator 5 through the dust removal fairing 3, the flexible air duct 4, the dust hood 20 and the rigid air duct 21, particles in the dust fall downwards along the inner wall of the cyclone separator 5 due to the centrifugal action and the self gravity action in the cyclone separator 5, a sealing cover is opened every working period of the roadheader, the particles at the bottom in the cyclone separator 5 are cleaned and discharged through an ash discharge port, and purified air is sucked into the first centrifugal fan 6 through the exhaust duct 12 at the top of the cyclone separator 5 and then discharged to the outside through the first centrifugal fan 6;
(3) when the fully-mechanized excavating machine works, the inner spraying system and the outer spraying system are started, so that the high-pressure nozzles of the inner spraying system and the outer spraying system spray water mist outwards, the water mist is contacted with dust, and the concentration of particles in the dust is reduced.
The step (1) is specifically as follows: the hydraulic system of the fully-mechanized excavating machine controls piston rods of two hydraulic oil cylinders 19 to be pushed forwards to an extreme position, the piston rods of the two hydraulic oil cylinders 19 push the sliding sleeve 18 forwards, the front end of each supporting connecting rod 17 is hinged to the middle of each corresponding first main rib 13, the rear end of each supporting connecting rod 17 is hinged to the outer circumference of the sliding sleeve 18, the rear end of each first main rib 13 is hinged to the first annular rib 14, the sliding sleeve 18 can push the rear end of each supporting connecting rod 17 to move forwards, each supporting connecting rod 17 can push each first main rib 13 to turn forwards, and therefore each first main rib 13 can open the dust removal fairing 3.
When the roadheader cutterhead cuts the upper edge of the coal wall or the rock wall, the piston rods of the two hydraulic oil cylinders 19 are retracted backwards, so that the dust removal fairing 3 is stored backwards, the dust removal fairing 3 is prevented from contacting with the upper edge of the coal wall or the rock wall, when blasting operation or through a geological condition complex area, the dust removal fairing 3 is also required to be stored, the dust removal fairing 3 is protected, and the dust removal fairing 3 is prevented from being damaged.
The utility model discloses a reference industrial boiler's dust removal method, use whirlwind dust removal to combine and dig the quick-witted working process, combine and dig quick-witted cutterhead 2 rear side at the machine and set up dust removal radome fairing 3 and suction hood 20, dust removal radome fairing 3 is located the top of cutterhead connecting axle 7, the concave part of dust removal radome fairing 3 passes through flexible dryer 4 and is connected with cyclone 5's air intake, the downside of flexible dryer 4 is through first support 10 fixed connection on combining and digging quick-witted fuselage 1, cyclone 5 passes through second support 11 fixed connection on combining and digging machine fuselage 1's right side, first centrifugal fan 6 is fixed mounting at cyclone 5's top, cyclone 5's top is connected with the suction opening of first centrifugal fan 6 through exhaust pipe 12, suction hood 20 is located the right side portion of cutterhead connecting axle 7, rigidity dryer 21 passes through third support 22 fixed connection on combining and digging machine fuselage 1 right side, the middle part of the rear side of the dust hood 20 is fixedly connected with the front end of the rigid air duct 21, the concave part of the dust hood 20 is communicated with the front end of the rigid air duct 21, the rear end of the rigid air duct 21 is connected with an air inlet of the cyclone separator 5, the rigid air duct 21 is provided with a second centrifugal fan 23, when the comprehensive excavator works, the first centrifugal fan 6, the second centrifugal fan 23 and the rigid air duct 21 are started, negative pressure airflow is generated inside the cyclone separator 5 and the front end inside the rigid air duct 21, dust is sucked into the cyclone separator 5 through the dust removal fairing 3, the flexible air duct 4, the dust hood 20 and the rigid air duct 21, particles in the dust fall downwards along the inner wall of the cyclone separator 5 due to the centrifugal effect and the self-gravity effect in the cyclone separator 5, a sealing cover is opened every working period of the comprehensive excavator, the particles at the inner bottom of the cyclone separator 5 are cleaned and discharged through an ash discharge opening, the purified air is sucked into the first centrifugal fan 6 through the exhaust pipe 12 at the top of the cyclone separator 5 and then is discharged to the outside through the first centrifugal fan 6, meanwhile, an inner spraying system which sprays towards the periphery is installed on the cutting teeth 8 of the cutting head 2 of the roadheader, and an outer spraying system is installed on the outer surface of the rear side of the dust removal fairing 3.
The above embodiments are only used for illustrating but not limiting the technical solution of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (7)
1. The utility model provides a dust collector for combining machine of digging, includes to combine the machine of digging and to combine the machine cutterhead of digging, combines the machine of digging cutterhead to rotate through the cutterhead connecting axle and installs the front end at the machine of digging, combines the outer circumference of the machine of digging cutterhead to be equipped with pick and guide slot, installs the interior water-spraying system towards periphery water spray on the pick, its characterized in that: the dust collection fairing is arranged at the rear side of the cutting head of the roadheader and is positioned above a connecting shaft of the cutting head, the diameter of the dust collection fairing is larger than the maximum outer diameter of the cutting head of the roadheader, an outer spraying system for spraying water mist towards the periphery is arranged on the surface of the dust collection fairing, the middle part of the rear side of the dust collection fairing is fixedly connected to the front end of the flexible air duct, the front end of the flexible air duct is communicated with a concave part of the dust collection fairing, the rear end of the flexible air duct is connected with an air inlet of the cyclone separator, the flexible air duct is fixedly connected to the roadheader body through a first support, the cyclone separator is vertically arranged and is fixedly connected to the right side of the roadheader body through a second support, the first centrifugal fan is fixedly arranged at the top of the cyclone separator, the top of the cyclone separator is connected with an air suction opening of the first centrifugal fan through an exhaust pipe, the bottom of the cyclone separator is provided with an ash discharge port with a sealing cover, and the bottom of the cyclone separator is higher than the bottom of the machine body of the fully-mechanized excavating machine.
2. The dust removing device for a fully-mechanized roadheader of claim 1, wherein: the dust removal fairing and the flexible air duct are made of flexible air cloth, the outer surface of the rear side of the dust removal fairing is connected with a first rigid framework, the outer surface of the outer circumference of the flexible air duct is connected with a second rigid framework, and a storage device used for folding the first rigid framework and storing the dust removal fairing is connected between the rear side of the first rigid framework and the front side of the second rigid framework.
3. The dust removing device for the fully-mechanized roadheader of claim 2, wherein: the first rigid framework comprises a plurality of first main bones and a first ring-shaped bone for supporting the dust removal fairing, each first main bone is arranged along the front-back direction and is circumferentially arrayed about the central line of the dust removal fairing, each first main bone is an arc-shaped rod bent forwards, the central line of each first ring-shaped bone is superposed with the central line of the dust removal fairing, the first ring-shaped bone is fixedly connected to the middle part of the rear side of the dust removal fairing, and the rear end of each first main bone is hinged to the first ring-shaped bone;
the second rigid framework comprises a plurality of second ring-shaped bones and a plurality of second main bones, the second ring-shaped bones are used for supporting the flexible air duct, the second ring-shaped bones are sleeved on the outer circumference of the flexible air duct at equal intervals and at the same center, the outer circumference of the flexible air duct is fixedly connected with the inner circle of the second ring-shaped bones, the length direction of the second main bones is consistent with the length direction of the flexible air duct, the second main bones are arrayed on the circumference of the central line of the flexible air duct, the second main bones are fixedly connected on the outer circle of the second ring, the front ends of the second main bones are fixedly connected on the outer circle of the first ring-shaped bones, and the middle part of the rear side of the dust removal fairing is integrally connected with the front end of the flexible air duct.
4. The dust removing device for a fully-mechanized roadheader of claim 3, wherein: storage device includes a plurality of supporting rod, sliding sleeve and two be used for driving gliding hydraulic cylinder around the sliding sleeve, each supporting rod all sets up and with each first main bone one-to-one fore-and-aft correspondence along the fore-and-aft direction, the front end of each supporting rod all articulates the middle part at corresponding each first main bone, the rear end of each supporting rod all articulates on the outer circumference of sliding sleeve, the sliding sleeve slides and cup joints the preceding lateral part at each second main bone, two hydraulic cylinder bilateral symmetry set up, two hydraulic cylinder's central line all sets up along fore-and-aft direction level, two hydraulic cylinder's piston rod front end corresponds respectively articulates the left and right sides portion at the sliding sleeve, two hydraulic cylinder's cylinder body rear end corresponds respectively articulates on a second main bone of the left and right sides.
5. The dust removing device for the fully-mechanized roadheader of claim 4, wherein: the distance from the first support to the front end of the flexible air duct is greater than the length of the first main rib.
6. The dust removing device for the fully-mechanized roadheader of claim 5, wherein: still include suction hood and rigidity dryer, the central line of suction hood sets up along the fore-and-aft horizontal direction, the opening of suction hood is towards the place ahead, the suction hood sets up and is being combined the rear side of digging machine cutterhead and is located the below right part of cutterhead connecting axle, rigidity dryer is through third support fixed connection combine digging machine fuselage right side, the rear side middle part fixed connection of suction hood is at the front end of rigidity dryer, the rear end of rigidity dryer and cyclone's air intake connection, be provided with second centrifugal fan on the rigidity dryer.
7. The dust removing device for the fully-mechanized roadheader of claim 6, wherein: the first support, the second support and the third support are all trusses formed by a plurality of square pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082606.5U CN211474112U (en) | 2019-11-28 | 2019-11-28 | Dust removal device for fully-mechanized excavating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082606.5U CN211474112U (en) | 2019-11-28 | 2019-11-28 | Dust removal device for fully-mechanized excavating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474112U true CN211474112U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922082606.5U Active CN211474112U (en) | 2019-11-28 | 2019-11-28 | Dust removal device for fully-mechanized excavating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211474112U (en) |
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2019
- 2019-11-28 CN CN201922082606.5U patent/CN211474112U/en active Active
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