CN214515154U

CN214515154U - Movable coal ash pretreatment station

Info

Publication number: CN214515154U
Application number: CN202120205081.4U
Authority: CN
Inventors: 刘光伦; 曹海
Original assignee: Huizhou Huihua Concrete Co ltd
Current assignee: Huizhou Huihua Concrete Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-10-29
Anticipated expiration: 2031-01-23

Abstract

The application relates to the technical field of coal ash treatment, in particular to a movable coal ash pretreatment station, which comprises a case, a lifting mechanism and a driving mechanism; the lifting mechanism comprises a first lifting plate, a second lifting plate and a connecting rod; the lower surface of the case is fixedly provided with four supporting legs, wherein two supporting legs penetrate through the first lifting plate, and the first lifting plate is in sliding fit with the two supporting legs; the other two supporting legs penetrate through the second lifting plate, the second lifting plate is matched with the two supporting legs in a sliding mode, one end of the connecting rod is fixedly connected with the side wall of the first lifting plate, the other end of the connecting rod is fixedly connected with the side wall of the second lifting plate, and a plurality of universal wheels are fixedly arranged on the lower surfaces of the first lifting plate and the second lifting plate; the driving mechanism is used for driving the first lifting plate to slide along the vertical direction. This application can increase the convenience that the staff removed quick-witted case.

Description

Movable coal ash pretreatment station

Technical Field

The application relates to the field of fly ash treatment technology, in particular to a movable coal ash pretreatment station.

Background

The coal ash is powder formed after combustion of a coal-fired boiler, mainly comprises SiO2, Al2O3, Fe3O4, FeO, a small amount of CaO, MgO and the like, and is mainly used for municipal refuse landfill; treating a coal ash dam; road, railway, drainage works; water conservancy, tunnel, dyke, dam, floodgate are impervious; seepage prevention of a liquid storage; water delivery, fluid delivery channels and solid waste stacking seepage prevention; roof leakage prevention; building basements, underground warehouses and underground garages are moisture-proof; pile film cofferdam, sea reclamation, wharf engineering, etc. The coal ash has the functions of adsorption, purification, catalysis and the like, so that the coal ash can be used for replacing a plurality of medicines to carry out various experiments in a laboratory, can be used for lifesaving and sewage purification in daily life, can be used as a fertilizer and for improving acid soil in production, can be used for treating industrial wastewater in environmental protection and the like.

A coal ash treatment device, also called a coal ash pretreatment station, of Chinese patent with publication number CN211329331U in the related art comprises a case, a crushing mechanism and a drying mechanism are fixedly mounted at the upper end inside the case, the drying mechanism is positioned above the crushing mechanism, the drying mechanism comprises a drying box and a second motor, the second motor is fixedly mounted at one side of the outer wall of the case through bolts, the drying box is fixedly mounted at the top end inside the case, the power output end of the second motor penetrates through the drying box and is fixedly connected with a spiral stirring paddle, the top end inside the drying box is fixedly mounted with an air injection pipe, the bottom end surface of the air injection pipe is provided with a plurality of groups of air injection holes, one side of the top end of the case is fixedly mounted with a hot air blower, the output end of the hot air blower is fixedly connected with a hot air inlet pipe, one end of the hot air inlet pipe penetrates through the case and is fixedly connected inside the air injection pipe, the inside department fixed mounting that is located the jet-propelled pipe below of drying cabinet has the filter screen.

In view of the above-mentioned related art, the applicant has found the following drawbacks in the course of working: because the crushing mechanism and the drying mechanism are fixedly mounted at the upper end in the case, the gravity of the whole case is heavy, and the case is time-consuming and labor-consuming to move.

SUMMERY OF THE UTILITY MODEL

In order to increase the convenience of staff's removal quick-witted case, this application provides a movable coal ash preliminary treatment station.

The application provides a movable coal ash preliminary treatment station adopts following technical scheme:

a movable coal ash pretreatment station comprises a case, a lifting mechanism and a driving mechanism;

the lifting mechanism comprises a first lifting plate, a second lifting plate and a connecting rod; the lower surface of the case is fixedly provided with four supporting legs, wherein two supporting legs penetrate through the first lifting plate, and the first lifting plate is in sliding fit with the two supporting legs; the other two supporting legs penetrate through the second lifting plate, the second lifting plate is matched with the two supporting legs in a sliding mode, one end of the connecting rod is fixedly connected with the side wall of the first lifting plate, the other end of the connecting rod is fixedly connected with the side wall of the second lifting plate, and a plurality of universal wheels are fixedly arranged on the lower surfaces of the first lifting plate and the second lifting plate;

the driving mechanism is used for driving the first lifting plate to slide along the vertical direction.

Through adopting above-mentioned technical scheme, when the staff need carry quick-witted case, slide downwards through the first lifter plate of actuating mechanism drive, first lifter plate moves the connecting rod and slides downwards mutually, the connecting rod drives the second lifter plate and slides downwards, first lifter plate and second lifter plate drive a plurality of universal wheel simultaneously and slide downwards, so that make the below of a plurality of universal wheel slip to the supporting legs bottom, the staff is through promoting quick-witted case, thereby drive a plurality of universal wheel and roll on ground simultaneously, thereby carry quick-witted case appointed place.

Optionally, the driving mechanism includes a bearing block, a lifting rod, a rotating shaft, a mounting frame, a driving member, and a gear and a rack engaged with each other;

the bearing block is fixedly arranged on the first lifting plate, the lifting rod is fixedly arranged on the upper surface of the bearing block, and the rack is fixedly arranged on the side wall of the lifting rod; the mounting frame is fixedly arranged on the side wall of the case, one end of the rotating shaft is rotatably connected with the mounting frame, and the other end of the rotating shaft is rotatably connected with the case; the gear is sleeved on the rotating shaft and is fixedly connected with the rotating shaft; the driving piece is used for driving the rotating shaft to rotate.

Through adopting above-mentioned technical scheme, it is rotatory through driving piece drive rotation axis, the rotation axis drives the gear rotation, the gear drives the rack and slides along vertical direction, the rack drives the lifter and slides along vertical direction, the lifter drives the carrier block and slides along vertical direction, the carrier block drives first lifter plate and slides along vertical direction, first lifter plate moves the connecting rod and slides along vertical direction, the connecting rod drives the second lifter plate and slides along vertical direction, first lifter plate and second lifter plate drive a plurality of universal wheel simultaneously and slide downwards, time saving and labor saving.

Optionally, the dovetail has been seted up to the lateral wall of lifter, the fixed dovetail strip that is provided with on the rack, the dovetail strip with the cooperation of pegging graft of dovetail, the bottom butt of dovetail strip in the bottom of dovetail, the top of dovetail strip with the top of lifter flushes, the top of lifter is provided with the fixed block, wear to be equipped with four bolts on the fixed block, four bolts all with lifter screw-thread fit.

Through adopting above-mentioned technical scheme, the dovetail has a limiting effect to the dovetail, can restrict the dovetail and slide outside the dovetail from the lateral wall of dovetail, the fixed block has a limiting effect to the top of dovetail, can restrict the dovetail and slide outside the dovetail from the top of dovetail to increased the fastness of being connected between dovetail and the lifter, and then increased the fastness of rack installation on the lifter, also increased the convenience that the staff installed and dismantled the rack simultaneously.

Optionally, the bottom end of the supporting leg is fixedly provided with an anti-falling block.

By adopting the technical scheme, when the lower surfaces of the first lifting plate and the second lifting plate abut against the upper surface of the anti-falling block in the downward sliding process of the first lifting plate and the second lifting plate, the anti-falling block can limit the first lifting plate and the second lifting plate to continuously slide downwards and can limit the first lifting plate and the second lifting plate to be completely separated from the first supporting leg from the bottom end of the supporting leg; meanwhile, the anti-falling block increases the contact area between the bottom ends of the supporting legs and the ground, so that the stability of the supporting leg supporting case is improved.

Optionally, a first fixing portion is fixedly arranged on the side wall of the bottom end of the lifting rod, the lower surface of the first fixing portion abuts against the upper surface of the bearing block, a bolt penetrates through the first fixing portion, and the bolt is in threaded fit with the bearing block.

Through adopting above-mentioned technical scheme, be fixed in the carrier block upper surface with first fixed part through the bolt to be fixed in the upper surface of carrier block with the lifter, increased the convenience that the staff installed and dismantled the lifter.

Optionally, the mounting frame comprises a supporting block and a mounting block which are perpendicular to each other, the supporting block and the mounting block are fixedly connected, and one side of the supporting block, which is close to the chassis, is fixedly connected with the chassis; one end of the rotating shaft is rotatably connected with the mounting block through a first bearing, and the other end of the rotating shaft is rotatably connected with the case through a second bearing.

By adopting the technical scheme, the first bearing reduces the friction force between the rotating shaft and the mounting block, so that one end of the rotating shaft close to the mounting block is easy to relatively rotate with the mounting block; the second bearing reduces a frictional force between the rotary shaft and the cabinet so that the rotary shaft is easily rotated relative to the cabinet.

Optionally, the universal wheel includes connecting block, swivel mount and gyro wheel, the swivel mount rotate set up in on the connecting block, the gyro wheel rotate set up in on the swivel mount, wear to be equipped with the bolt on the connecting block, the bolt with first lifter plate screw-thread fit.

Through adopting above-mentioned technical scheme, the staff can make the swivel mount rotatory around the connecting block pushing the in-process that quick-witted case gos forward to it is rotatory to drive the gyro wheel, and then the direction of rolling of adjustment gyro wheel, so that quick-witted case can move forward towards any direction.

Optionally, the rotating frame is rotatably provided with a brake block.

Through adopting above-mentioned technical scheme, the staff can be through rotatory brake block to make brake block butt in the surface of gyro wheel, thereby realize the fixed to the gyro wheel, and then restrict the gyro wheel and continue to roll, increased the stability that the quick-witted case was placed on ground.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when an operator needs to carry the case, the first lifting plate is driven to slide downwards through the driving mechanism, the first lifting plate drives the connecting rods to slide downwards, the connecting rods drive the second lifting plate to slide downwards, the first lifting plate and the second lifting plate simultaneously drive the universal wheels to slide downwards at the same time, so that the universal wheels slide to the positions below the bottom ends of the supporting legs, and the operator drives the universal wheels to roll on the ground at the same time by pushing the case, so that the case is carried to a designated place;

2. the rotating shaft is driven to rotate by the driving piece, the rotating shaft drives the gear to rotate, the gear drives the rack to slide along the vertical direction, the rack drives the lifting rod to slide along the vertical direction, the lifting rod drives the bearing block to slide along the vertical direction, the bearing block drives the first lifting plate to slide along the vertical direction, the first lifting plate drives the connecting rod to slide along the vertical direction, the connecting rod drives the second lifting plate to slide along the vertical direction, and the first lifting plate and the second lifting plate simultaneously drive the universal wheels to slide downwards, so that time and labor are saved;

3. the dovetail has a limiting effect on the dovetail strip, the dovetail strip can be limited from sliding to the outside of the dovetail from the side wall of the dovetail, the fixing block has a limiting effect on the top of the dovetail strip, and the dovetail strip can be limited from sliding to the outside of the dovetail from the top of the dovetail, so that the firmness of connection between the dovetail strip and the lifting rod is increased, the firmness of the rack mounted on the lifting rod is further increased, and meanwhile, the convenience of mounting and dismounting the rack by workers is also increased.

Drawings

FIG. 1 is a schematic diagram of a portable soot conditioning station according to an embodiment of the present application.

Fig. 2 is a partial sectional view of a lifter bar in an embodiment of the present application.

FIG. 3 is a schematic view of another perspective of a portable soot conditioning station in accordance with an embodiment of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a chassis; 11. supporting legs; 111. an anti-drop block; 2. a lifting mechanism; 21. a first lifter plate; 211. a first sliding hole; 22. a second lifter plate; 221. a second sliding hole; 23. a connecting rod; 3. a universal wheel; 31. connecting blocks; 32. a rotating frame; 321. a rotating tank; 322. a brake block; 3221. a rotating part; 3222. an abutting portion; 32221. an arc-shaped slot; 33. a roller; 4. a drive mechanism; 41. a bearing block; 42. a lifting rod; 421. a first fixed part; 422. a dovetail groove; 423. a fixed block; 43. a rotating shaft; 431. a first bearing; 432. a second bearing; 44. a rack; 441. a dovetail strip; 45. a gear; 46. a motor; 47. a mounting frame; 471. a support block; 4711. a second fixed part; 472. and (7) installing the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a movable coal ash pretreatment station. Referring to fig. 1, the portable coal ash pretreatment station includes a cabinet 1, a lift mechanism 2, and a drive mechanism 4. The lower surface of the case 1 is welded with four supporting legs 11, the length directions of the four supporting legs 11 are vertical directions, and the four supporting legs 11 are distributed on the lower surface of the case 1 in a rectangular array. The driving mechanism 4 is used for driving the lifting mechanism 2 to slide along the vertical direction, and a plurality of universal wheels 3 are installed on the lower surface of the lifting mechanism 2. When the staff need remove quick-witted case 1, actuating mechanism 4 drive elevating system 2 slides downwards, and elevating system 2 drives a plurality of universal wheel 3 and slides downwards simultaneously to make a plurality of universal wheel 3 slide to the bottom of supporting legs 11, the staff of being convenient for removes quick-witted case 1.

With continued reference to fig. 1, the lifting mechanism 2 includes a first lifting plate 21, a second lifting plate 22, and two connecting plates. In this embodiment, the first lifting plate 21 and the second lifting plate 22 are both rectangular solids, two first sliding holes 211 are formed in the upper surface of the first lifting plate 21, two support legs 11 pass through the two first sliding holes 211 on the first lifting plate 21, and the first lifting plate 21 is in sliding fit with the two support legs 11. Two second sliding holes 221 are formed in the upper surface of the second lifting plate 22, the other two supporting legs 11 penetrate through the two second sliding holes 221 in the second lifting plate 22, and the second lifting plate 22 is in sliding fit with the two supporting legs 11.

Continuing to refer to fig. 1, the shape of two connecting rods 23 is the cylinder, and the one end of two connecting rods 23 all welds with the lateral wall of first lifter plate 21, and the other end of two connecting rods 23 all welds with the lateral wall of second lifter plate 22, and the lower surface of first lifter plate 21 and second lifter plate 22 all is fixed and is provided with a plurality of universal wheel 3. The driving mechanism 4 is used for driving the first lifting plate 21 to slide along the vertical direction.

With continued reference to fig. 1, the drive mechanism 4 includes a carrier block 41, a lifting rod 42, a rotating shaft 43, a mounting bracket 47, a driving member, and a gear 45 and a rack 44 that engage with each other. The bearing block 41 has a rectangular parallelepiped shape, and the bearing block 41 is integrally formed on the side wall of the first elevating plate 21. The shape of lifter 42 is the cuboid, and the length direction of lifter 42 is vertical direction, and the bottom of lifter 42 is connected with the upper surface fixed of carrier block 41, and rack 44 is fixed to be set up in the lateral wall of lifter 42, and the length direction of rack 44 is vertical direction.

Referring to fig. 1 and 2, the mounting bracket 47 includes a supporting block 471 and a mounting block 472 which are perpendicular to each other, the supporting block 471 and the mounting block 472 are both rectangular solids, and the supporting block 471 and the mounting block 472 are integrally formed. In order to increase the convenience of installing and dismantling the mounting bracket 47 by the staff, one side integrated into one piece that the supporting block 471 is close to the machine case 1 is provided with a second fixing part 4711, two bolts are arranged on the second fixing part 4711 in a penetrating manner, and the two bolts are matched with the machine case 1 in a threaded manner, so that the second fixing part 4711 is fixed on the side wall of the machine case 1, and the mounting bracket 47 is fixed on the side wall of the machine case 1.

Referring to fig. 1 and 3, the rotation shaft 43 has a horizontal longitudinal direction, one end of the rotation shaft 43 is rotatably connected to the mounting block 472 by the first bearing 431, and the other end of the rotation shaft 43 is rotatably connected to the cabinet 1 by the second bearing 432. The gear 45 is sleeved on the rotating shaft 43, and the gear 45 is fixedly connected with the rotating shaft 43. In this embodiment, the driving member is a motor 46, the driving member is fixed to the mounting block 472, and an output shaft of the driving member is fixedly connected to one end of the shaft selection close to the mounting block 472.

Referring to fig. 1, it is rotatory through driving piece drive rotation axis 43, rotation axis 43 drives gear 45 rotatory, gear 45 drives rack 44 and slides along vertical direction, rack 44 drives lifter 42 and slides along vertical direction, lifter 42 drives carrier block 41 and slides along vertical direction, carrier block 41 drives first lifter plate 21 and slides along vertical direction, first lifter plate 21 drives connecting rod 23 and slides along vertical direction, connecting rod 23 drives second lifter plate 22 and slides along vertical direction, first lifter plate 21 and second lifter plate 22 drive a plurality of universal wheel 3 and slide downwards simultaneously, time saving and labor saving.

Continuing to refer to fig. 1, in order to increase the convenience of staff installation and dismantlement lifter 42, two relative lateral wall homogeneous formations in lifter 42 bottom have two first fixed parts 421, and the shape of two first fixed parts 421 is the cuboid, and the lower surface of two first fixed parts 421 all butts in the upper surface of carrier block 41, all wears to be equipped with the bolt on two first fixed parts 421, and two bolts all with carrier block 41 screw-thread fit to with the bottom mounting of lifter 42 in the upper surface of carrier block 41.

Referring to fig. 2, in order to increase the convenience of installing and detaching the rack 44 by a worker, the side wall of the lifting rod 42 facing the gear 45 is provided with a dovetail groove 422, the length direction of the dovetail groove 422 is vertical, the top end of the dovetail groove 422 is open, and the bottom end of the dovetail groove 422 is closed. The rack 44 is integrally formed with a dovetail strip 441, the top end of the dovetail strip 441 is flush with the top end of the rack 44, and the bottom end of the dovetail strip 441 is flush with the bottom end of the rack 44. Dovetail 441 and dovetail 422 grafting cooperation, the bottom butt of dovetail 441 in dovetail 422's bottom, the top of dovetail 441 flushes with the top of lifter 42, the top of lifter 42 is provided with fixed block 423, the shape of fixed block 423 is the cuboid, wear to be equipped with four bolts on the fixed block 423, four bolts all with lifter 42 screw-thread fit to be fixed in the top of lifter 42 with fixed block 423, and then be fixed in the lateral wall of lifter 42 with rack 44.

Referring to fig. 1, in order to limit the sliding stroke of the first lifting plate 21 and the second lifting plate 22, a retaining block 111 is fixedly provided at the bottom end of the supporting leg 11. With such an arrangement, in the process of downward sliding of the first lifting plate 21 and the second lifting plate 22, when the lower surfaces of the first lifting plate 21 and the second lifting plate 22 abut against the upper surface of the anti-falling block 111, the anti-falling block 111 can limit the first lifting plate 21 and the second lifting plate 22 from continuously sliding downward, and can limit the first lifting plate 21 and the second lifting plate 22 from completely separating from the bottom end of the supporting leg 11 and the first supporting leg 11; meanwhile, the anti-falling block 111 increases the contact area between the bottom end of the supporting leg 11 and the ground, so that the stability of the supporting leg 11 supporting the case 1 is increased.

Referring to fig. 2 and 4, in the present embodiment, the number of universal wheels 3 is four, two of the universal wheels 3 are fixed to the lower surface of the first lifting plate 21, and the other two universal wheels 3 are fixed to the lower surface of the second lifting plate 22. Specifically, the universal wheel 3 includes a connecting block 31, a rotating frame 32, and a roller 33. Specifically, the connecting block 31 is shaped like a rectangular parallelepiped, the rotating frame 32 is rotatably connected to the lower surface of the connecting block 31, and the roller 33 is rotatably connected to the rotating frame 32.

Referring to fig. 3, when the worker installs the two universal wheels 3 on the lower surface of the first lifting plate 21, so that the upper surface of the connecting block 31 abuts against the lower surface of the first lifting plate 21, four bolts are inserted into the connecting block 31, so that the four bolts are all in threaded fit with the first lifting plate 21, thereby fixing the connecting block 31 on the lower surface of the first lifting plate 21, and further fixing the universal wheels 3 on the lower surface of the first lifting plate 21.

With continued reference to fig. 3, when the worker installs the two universal wheels 3 on the lower surface of the second lifting plate 22, so that the upper surface of the connecting block 31 abuts against the lower surface of the second lifting plate 22, four bolts are inserted into the connecting block 31, so that the four bolts are all in threaded fit with the second lifting plate 22, thereby fixing the connecting block 31 on the lower surface of the second lifting plate 22, and further fixing the universal wheels 3 on the lower surface of the second lifting plate 22.

Referring to fig. 4, in order to fix the caster 3 by a worker after the dust removing apparatus is carried to a designated position, a brake block 322 for restricting the rotation of the roller 33 is rotatably provided on the rotating frame 32. Specifically, the brake pad 322 includes a rotating portion 3221 and an abutting portion 3222 which are integrally formed, the rotating portion 3221 and the abutting portion 3222 are perpendicular to each other, and both the rotating portion 3221 and the abutting portion 3222 have a rectangular parallelepiped shape. The rotating frame 32 is provided with a rotating groove 321, the rotating portion 3221 is installed in the rotating groove 321, and the rotating portion 3221 is rotatably connected to the rotating frame 32.

With continued reference to fig. 4, when the worker needs to fix the roller 33, the brake block 322 may be rotated to make the end surface of the contact portion 3222 contact the arc-shaped surface of the roller 33. In order to increase the acting force of the abutting portion 3222 on the roller 33, an arc groove 32221 in clamping fit with the arc surface of the roller 33 is formed in an end surface of the abutting portion 3222 facing away from the rotating portion 3221, and the arc groove 32221 can increase the contact area between the abutting portion 3222 and the roller 33, so that the acting force of the abutting portion 3222 on the roller 33 is increased, and further, the limiting effect of the brake block 322 on the roller 33 is increased

The implementation principle of a movable coal ash pretreatment station in the embodiment of the application is as follows: when a worker needs to carry the case 1, the motor 46 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the gear 45 to rotate, the gear 45 drives the rack 44 to slide downwards, the rack 44 drives the lifting rod 42 to slide downwards, the lifting rod 42 drives the bearing block 41 to slide downwards, the bearing block 41 drives the first lifting plate 21 to slide downwards, the first lifting plate 21 drives the connecting rod 23 to slide downwards, the connecting rod 23 drives the second lifting plate 22 to slide downwards, the first lifting plate 21 and the second lifting plate 22 simultaneously drive the four universal wheels 3 to slide downwards, the worker can drive the four universal wheels 3 to roll on the ground simultaneously by pushing the case 1, and the worker can carry the case 1 conveniently;

after the case 1 is carried to a designated place, the motor 46 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the gear 45 to rotate, the gear 45 drives the rack 44 to slide upwards, the rack 44 drives the lifting rod 42 to slide upwards, the lifting rod 42 drives the bearing block 41 to slide upwards, the bearing block 41 drives the first lifting plate 21 to slide upwards, the first lifting plate 21 drives the connecting rod 23 to slide upwards, the connecting rod 23 drives the second lifting plate 22 to slide upwards, the first lifting plate 21 and the second lifting plate 22 simultaneously drive the four universal wheels 3 to slide upwards, so that the lowest points of the four universal wheels 3 slide to the upper part of the bottom ends of the supporting legs 11, and the four supporting legs 11 realize stable supporting of the case 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A movable coal ash pretreatment station, characterized by: comprises a case (1), a lifting mechanism (2) and a driving mechanism (4);

the lifting mechanism (2) comprises a first lifting plate (21), a second lifting plate (22) and a connecting rod (23); the lower surface of the case (1) is fixedly provided with four supporting legs (11), wherein two supporting legs (11) penetrate through the first lifting plate (21), and the first lifting plate (21) is in sliding fit with the two supporting legs (11); the other two supporting legs (11) penetrate through the second lifting plate (22), the second lifting plate (22) is in sliding fit with the two supporting legs (11), one end of the connecting rod (23) is fixedly connected with the side wall of the first lifting plate (21), the other end of the connecting rod (23) is fixedly connected with the side wall of the second lifting plate (22), and a plurality of universal wheels (3) are fixedly arranged on the lower surfaces of the first lifting plate (21) and the second lifting plate (22);

the driving mechanism (4) is used for driving the first lifting plate (21) to slide along the vertical direction.

2. The movable coal ash pretreatment station of claim 1, wherein: the driving mechanism (4) comprises a bearing block (41), a lifting rod (42), a rotating shaft (43), a mounting rack (47), a driving piece, and a gear (45) and a rack (44) which are meshed with each other;

the bearing block (41) is fixedly arranged on the first lifting plate (21), the lifting rod (42) is fixedly arranged on the upper surface of the bearing block (41), and the rack (44) is fixedly arranged on the side wall of the lifting rod (42); the mounting rack (47) is fixedly arranged on the side wall of the case (1), one end of the rotating shaft (43) is rotatably connected with the mounting rack (47), and the other end of the rotating shaft (43) is rotatably connected with the case (1); the gear (45) is sleeved on the rotating shaft (43), and the gear (45) is fixedly connected with the rotating shaft (43);

the driving piece is used for driving the rotating shaft (43) to rotate.

3. The movable coal ash pretreatment station of claim 2, wherein: dovetail (422) have been seted up to the lateral wall of lifter (42), fixed dovetail (441) that is provided with on rack (44), dovetail (441) with the cooperation of pegging graft of dovetail (422), the bottom butt of dovetail (441) in the bottom of dovetail (422), the top of dovetail (441) with the top of lifter (42) flushes, the top of lifter (42) is provided with fixed block (423), wear to be equipped with four bolts on fixed block (423), four bolts all with lifter (42) screw-thread fit.

4. The movable coal ash pretreatment station of claim 1, wherein: the bottom end of the supporting leg (11) is fixedly provided with an anti-falling block (111).

5. The movable coal ash pretreatment station of claim 2, wherein: the side wall of lifter (42) bottom is fixed and is provided with first fixed part (421), the lower surface of first fixed part (421) butt in the upper surface of carrier block (41), wear to be equipped with the bolt on first fixed part (421), the bolt with carrier block (41) screw-thread fit.

6. The movable coal ash pretreatment station of claim 2, wherein: the mounting frame (47) comprises a supporting block (471) and a mounting block (472) which are perpendicular to each other, the supporting block (471) is fixedly connected with the mounting block (472), and one side, close to the case (1), of the supporting block (471) is fixedly connected with the case (1); one end of the rotating shaft (43) is rotatably connected with the mounting block (472) through a first bearing (431), and the other end of the rotating shaft (43) is rotatably connected with the case (1) through a second bearing (432).

7. The movable coal ash pretreatment station of claim 1, wherein: universal wheel (3) include connecting block (31), swivel mount (32) and gyro wheel (33), swivel mount (32) rotate set up in on connecting block (31), gyro wheel (33) rotate set up in on swivel mount (32), wear to be equipped with the bolt on connecting block (31), the bolt with first lifter plate (21) screw-thread fit.

8. The movable coal ash pretreatment station of claim 7, wherein: and a brake block (322) is rotatably arranged on the rotating frame (32).