CN218428320U - Dismounting trolley of vertical roller mill - Google Patents

Abstract

The utility model provides a disassembly and assembly trolley of a vertical roller mill, which comprises a bearing part, a walking part arranged at the bottom of the bearing part, a traction head hinged at one end of the bearing part, a steering driving source and a steering pull rod; the walking part comprises a steering axle set, and the steering axle set comprises a vertical steering shaft which is rotatably arranged at the bottom of the force bearing part, a steering shifting sheet fixed on the vertical steering shaft and a steering wheel arranged on the vertical steering shaft; two ends of the steering driving source are respectively hinged with the bearing component and the traction head; and two ends of the steering pull rod are respectively hinged with the steering poking piece and the traction head. The utility model can realize the moving and steering of the disassembly and assembly trolley in a limited working space, and improves the working efficiency; this dismouting platform truck simple structure has simplified the processing degree of difficulty of whole car design, can reduce whole car and later stage cost of maintenance.

Description

Dismounting trolley of vertical roller mill

Technical Field

The utility model relates to a dismouting platform truck technical field especially relates to a dismouting platform truck of vertical roller mill.

Background

The vertical roller mill is the main equipment in the slag grinding production line, and compared with the traditional ball mill, the vertical roller mill has the advantages of small granularity of produced slag powder, low energy consumption, low noise, low abrasion and the like. The core device of the vertical roller mill consists of a grinding disc device and a grinding roller device. When the equipment runs, the millstone device is driven to rotate by the driving device, and the grinding roller device is driven to rotate in a linkage manner, so that the materials are rolled and ground. The vertical roller mill has a compact structure, the arrangement mode of components is vertical, and the overall height of the equipment is about 18 meters, which causes troubles in the process of overhaul of the equipment; the diameter of the bottom of the grinding disc is 2800mm, the diameter of the top of the grinding disc is 4250mm, the height of the grinding disc is 1758mm, the weight of the grinding disc is about 100 tons, and the ground clearance is 2600mm, so that the maintenance and the transportation of the grinding disc have certain technical requirements on transportation equipment; in addition, the periphery and the top of the grinding disc are respectively provided with a protective cover, a shell and the like for covering, and the effective operation width of the bottom is 3.2 meters, so that the problems of disassembly and assembly of the grinding disc device cannot be solved by common hoisting equipment.

Most of the existing disassembly and assembly trolleys are fixed in height and cannot be adjusted, and the disassembly and assembly trolleys are only suitable for work at a certain height and are small in application range. In addition, there are curves in the transportation area, and the traction and walking parts cannot pass through the curves only by means of the traction device. The driving wheel and the steering wheel of the moving platform car with the wheel structure used at present are separated, and the steering wheel can only steer in a very small range, cannot steer in all directions, and further cannot realize synchronous all-directional rotation of all the wheels. In addition, due to the fact that the working space is limited, the required walking part and the walking wheel are very small in size requirement, and the common rubber walking wheel is too large in size and cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, the to-be-solved technical problem of the utility model is to provide a vertical roller mill's dismouting platform truck realizes carrying out horizontal migration and turning to the mill device, and this equipment structure is simple, compact, and the preparation degree of difficulty is little.

In order to achieve the purpose, the utility model provides a disassembly and assembly trolley of a vertical roller mill, which comprises a bearing part, a walking part arranged at the bottom of the bearing part, a traction head hinged at one end of the bearing part, a steering driving source and a steering pull rod; the walking part comprises a steering axle set, and the steering axle set comprises a vertical steering shaft which is rotatably arranged at the bottom of the force bearing part, a steering shifting sheet fixed on the vertical steering shaft and a steering wheel arranged on the vertical steering shaft; two ends of the steering driving source are respectively hinged with the bearing component and the traction head; and two ends of the steering pull rod are respectively hinged with the steering poking piece and the traction head.

Further, the steering axle group also comprises a connecting plate; the upper end of the vertical steering shaft is rotatably sleeved in a connecting plate, and the connecting plate is fixedly connected with the force bearing part.

Further, the steering axle set also comprises a horizontal steering shaft, and the horizontal steering shaft is arranged at the lower end of the vertical steering shaft; the steering wheels are symmetrically arranged at two ends of the horizontal steering shaft along the axial direction of the horizontal steering shaft.

Preferably, the steering axle group still includes the connecting piece, the lower extreme of perpendicular steering spindle has set firmly the connection frame, the interior week of connection frame is equipped with the logical groove that link up along the axial of horizontal steering spindle, set up the connecting hole of perpendicular to horizontal steering spindle in the connection frame, set up the connection shaft hole in the horizontal steering spindle, the horizontal steering spindle rotationally wears to establish in leading to the groove, the connecting piece rotationally wears to establish in connection shaft hole and connecting hole.

Furthermore, the force bearing component is provided with a plurality of longitudinal beams and a plurality of cross beams, and the longitudinal beams and the cross beams are vertically staggered.

Further, the device also comprises a lifting component; the lifting component comprises a jacking mechanism and a lifting tray; the bottom end of the jacking mechanism is fixedly connected to the force bearing part, and the lifting tray is fixedly sleeved on a lifting rod of the jacking mechanism.

Preferably, the bearing part consists of a horizontal end and arc ends distributed at two ends of the horizontal end, the arc ends extend upwards in an inclined mode, and a tray groove for containing the lifting tray is formed between the horizontal end and the arc ends.

Preferably, the jacking mechanism comprises a hydraulic oil cylinder, and the jacking rod is a piston rod of the hydraulic oil cylinder.

Further, the lifting tray comprises a thick plate and a guide opening ring for guiding the grinding disc, and the outer diameter of the guide opening ring is gradually increased from top to bottom; the guide ring is fixedly installed on the thick plate and coaxially arranged.

Further, the force bearing part also comprises a lifting lug and is arranged along the circumferential direction of the force bearing part.

As described above, the utility model relates to a vertical roller mill's dismouting platform truck has following beneficial effect:

the utility model discloses a steering cylinder realizes that the dismouting platform truck turns to, through the flexible swing that realizes the traction head of steering cylinder, and then drives the directive wheel through the steering linkage and turn to, realizes that the dismouting platform truck removes and turns to at limited working space, the effectual work efficiency that has improved. The utility model discloses simple structure has simplified the processing degree of difficulty of whole car design, can reduce whole car and later stage cost of maintenance.

Drawings

Fig. 1 is a schematic structural view of the disassembly and assembly trolley of the vertical roller mill of the utility model;

FIG. 2 is a schematic illustration of the connection between the tractor and the steer axle set of FIG. 1;

FIG. 3 is a schematic structural view of a steering axle set according to the present invention;

FIG. 4 is a schematic structural view of the vertical steering shaft of the present invention;

FIG. 5 is a schematic structural view of the horizontal steering shaft of the present invention;

FIG. 6 is a schematic structural diagram of a driven axle group according to the present invention;

fig. 7 is a schematic structural view of the force-bearing component of the present invention;

fig. 8 is a schematic structural diagram of the lifting member of the present invention.

Description of the reference numerals

1. Lifting component 11, jacking mechanism 111 and jacking rod

12. Lifting tray 121, thick plate 122 and guide ring

13. Traction head 14, steering pull rod 15 and vertical steering shaft

16. Steering shifting piece 17, steering wheel 18 and connecting plate

19. Horizontal steering shaft 191, connecting shaft hole 20, and steering drive source

2. Bearing part 201, horizontal end 202 and arc end

203. Tray groove 21, longitudinal beam 22 and cross beam

23. Lifting lug 24, lug 25 and seat plate

3. Grinding disc

4. Running part 41, steering axle group 42 and driven axle group

43. Connecting piece 44, connecting frame 441 and through groove

442. Connecting hole

Detailed Description

The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.

It should be understood that the structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by the people skilled in the art, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope which can be covered by the technical content disclosed in the present invention without affecting the efficacy which can be generated by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1 and 2, the utility model provides a disassembly and assembly trolley of a vertical roller mill, which comprises a bearing part 2, a walking part 4 arranged at the bottom of the bearing part 2, and a traction head 13 hinged at one end of the bearing part 2. For convenience of description, in the following embodiments, the end of the pulling head 13 is defined as the front end of the force bearing member 2, and the end of the force bearing member 2 away from the pulling head 13 is defined as the rear end. In this embodiment, as shown in fig. 1, the pulling head 13 and the force bearing member 2 are connected in a matching manner by a pin shaft, and the pulling hole 131 is formed in the pulling head 13, so that the pulling head 13 is butted with a pulling device, and the dismounting trolley is driven to move.

As shown in fig. 3 and 6, the traveling component 4 includes a steering axle group 41, the steering axle group 41 includes a vertical steering shaft 15 rotatably mounted at the bottom of the bearing component 2, a steering plectrum 16 fixed on the vertical steering shaft 15, and a steering wheel 17 mounted on the vertical steering shaft 15, the vertical steering shaft 15 axially extends along the vertical direction, the steering plectrum 16 and the vertical steering shaft 15 can be welded and fixed, the application drives the steering wheel 17 to rotate left and right through the vertical steering shaft 15, and further the steering of the detachable trolley is realized. Further, as shown in fig. 2, the disassembly and assembly trolley further includes a steering drive source 20, and a steering link 14; two ends of the steering driving source 20 are respectively hinged with the bearing part 2 and the traction head 13; the two ends of the steering pull rod 14 are respectively hinged with the steering plectrum 16 and the traction head 13. In this embodiment, as shown in fig. 7, the left and right inner end faces of the front end of the force bearing part 2 are fixedly provided with lugs 24, the steering driving source 20 is a steering cylinder, the housing of the steering cylinder is hinged on the lugs 24, and the piston rod end of the steering cylinder is hinged on the traction head 13. Therefore, the traction head 13 can swing left and right by controlling the extension and retraction of the piston rod of the steering oil cylinder, the steering pull rod 14 is driven to move, the steering shifting sheet 16 is further pulled to swing, the vertical steering shaft 15 synchronously swings along with the steering shifting sheet 16, and the steering axle group 41 is further driven to steer, so that the steering of the disassembly and assembly trolley is realized, and the disassembly and assembly trolley can effectively steer in a limited space. Of course, in other embodiments, two steering cylinders may be provided on the left and right sides of the traction head 13, and the steering of the dismounting trolley is ensured to be more stable when carrying a heavy object by the action of the two steering cylinders.

Preferably, as shown in fig. 1, undercarriage 4 further includes a driven axle set 42. In the present embodiment, the traveling unit 4 includes 2 steering axle groups 41 and 2 driven axle groups 42. Wherein, 2 sets of steering axle groups 41 are positioned at the front end of the force bearing part 2 and distributed in parallel left and right, and 2 sets of driven axle groups 42 are positioned at the rear end of the force bearing part 2 and distributed in parallel left and right. The main difference between the steer axle set 41 and the driven axle set 42 is that the driven axle set 42 does not include the steer paddle 16 and is otherwise identical, as shown in fig. 3 and 6. When the steering axle group 41 is steered, the driven axle group 42 is also steered in the moving process, and the transportation of the detachable trolley is more facilitated. Of course, in other embodiments, the structures of the steering axle set 41 and the driven axle set 42 may be the same, and the front end and the rear end of the force bearing part 2 are both provided with the traction heads 13. When the disassembly and assembly trolley needs to move back and forth, the front position and the rear position of the traction device only need to be changed, and the working efficiency is effectively improved. Therefore, the form of the steer axle set 41 and the driven axle set 42 can be set according to actual specific requirements.

Further, as shown in fig. 2 to 4, the steer axle set 41 further includes a connecting plate 18; the upper end of the vertical steering shaft 15 is rotatably sleeved in a connecting plate 18, and the connecting plate 18 is fixedly connected with the bottom of the force bearing part 2. In this embodiment, the bottom end of the bearing member 2 is provided with a receiving groove for receiving the vertical steering shaft 15, and the connecting plate 18 is fixed to the bottom end of the bearing member 2 by a bolt connection, so that the vertical steering shaft 15 is rotatably mounted on the bearing member 2.

Further, as shown in fig. 3 to 6, the steering axle group 41 further includes a horizontal steering shaft 19 extending axially in the left-right direction, the horizontal steering shaft 19 being mounted on the lower end of the vertical steering shaft 15; the steered wheels 17 are symmetrically installed at the left and right ends of the horizontal steering shaft 19 in the axial direction of the horizontal steering shaft 19. In the present embodiment, the horizontal steering shaft 19 is rotatable with respect to the vertical steering shaft 15, and the steerable wheels 17 are rotatable with respect to the horizontal steering shaft 19. Of course, in other embodiments, it is also possible that the horizontal steering shaft 19 is fixed in the vertical steering shaft 15, and the steering wheel 17 can rotate relative to the horizontal steering shaft 19; it is also possible that the horizontal steering shaft 19 is rotatable with respect to the vertical steering shaft 15, and the steered wheels 17 are fixed to both ends of the horizontal steering shaft 19.

Preferably, as shown in fig. 3 to 6, the steer axle set 41 further includes a connecting member 43, the lower end of the vertical steering shaft 15 is fixedly provided with a connecting frame 44, the inner periphery of the connecting frame 44 is provided with a through groove 441 which penetrates along the axial direction of the horizontal steering shaft 19, the connecting frame 44 is provided with a connecting hole 442 which is perpendicular to the horizontal steering shaft 19, the connecting hole 442 extends in the front-rear axial direction, the horizontal steering shaft 19 is provided with a connecting shaft hole 191 which extends in the front-rear axial direction, the horizontal steering shaft 19 is rotatably inserted into the through groove 441, and the connecting member 43 is rotatably inserted into the connecting shaft hole 191 and the connecting hole 442. In this embodiment, the horizontal steering shaft 19 and the vertical steering shaft 17 are hinged together through the connecting piece 43, so that the horizontal steering shaft 19 can rotate up and down, and the trolley can be assembled and disassembled on the road surfaces with different slopes. The connecting member 43 may be a pin, a shaft, or the like.

Preferably, the diverting pulley 17 is a steel pulley. In the embodiment, in order to meet the requirements that the loading and unloading trolley has strong overload capacity and can perform steering movement in a small space environment, the front steering wheels 17 and the rear steering wheels 17 in the 2 groups of steering axle groups 41 and the 2 groups of driven axle groups 42 are assembled with 8 steel wheels.

As shown in fig. 1 and 7, the force bearing part 2 is provided with a plurality of longitudinal beams 21 extending back and forth and a plurality of transverse beams 22 extending left and right, and the longitudinal beams 21 and the transverse beams 22 are vertically staggered. In this embodiment, the force-bearing component 2 is a frame structure composed of 4 longitudinal beams 21, 3 cross beams 22 and 14 auxiliary cross beams 22, such as a groined structure, and the longitudinal beams 21 and the cross beams 22 have good bending resistance and torsion resistance, so that the strength of the whole trolley is ensured.

Further, as shown in fig. 1 and 8, the disassembly and assembly trolley further comprises a lifting part 1; the lifting component 1 comprises a jacking mechanism 11 and a lifting tray 12, and the lifting tray 12 is used for carrying the grinding disc 3; the bottom end of the jacking mechanism 11 is fixedly connected to the force bearing part 2, and the lifting tray 12 is fixedly sleeved on a jacking rod 111 of the jacking mechanism 11. Further preferably, the jacking mechanism 11 includes a hydraulic oil cylinder, and the jacking rod 111 is a piston rod of the hydraulic oil cylinder, so that the disassembling and assembling trolley adopts a hydraulic jacking mode. In the embodiment, a seat plate 25 is arranged in the middle of the upper end face of the force bearing part 2, the end part of the hydraulic oil cylinder is fixedly connected with the seat plate 25 through a bolt, and the lifting tray 12 is sleeved on the piston rod end arranged on the hydraulic oil cylinder; the grinding disc 3 is lifted and lowered through the telescopic motion of the hydraulic oil cylinder.

Further, as shown in fig. 1 and 7, the force bearing part 2 is composed of a horizontal end 201 and arc ends 202 distributed at two ends of the horizontal end 201, the arc ends 202 extend obliquely upward, and a tray groove 203 for accommodating the lifting tray 12 is formed between the horizontal end 201 and the arc ends 202. In the embodiment, the steering axle group 41 and the driven axle group 42 are respectively installed on the front and rear arc ends of the force bearing part 2, as shown in fig. 1 and 2; and then the hydraulic oil cylinder shrinks, so that the grinding disc 3 finally falls on the horizontal end 201 of the force bearing part 2.

Further, as shown in fig. 1 and 8, the lifting tray 12 includes a thick plate 121 and a guide ring 122 for guiding the grinding disc 3, and the outer diameter of the guide ring 122 is gradually increased from top to bottom, so that the guide ring 122 may be a tapered ring; the guide ring 122 is fixedly mounted on the thick plate 121 and coaxially disposed. In this embodiment, the guide ring 122 is a truncated cone-shaped hollow ring, the outer diameter of the guide ring 122 gradually increases from top to bottom, and the inner diameter of the guide ring 122 gradually decreases from top to bottom, as shown in fig. 8; the positioning and guiding of the grinding disc 3 are realized by the guide ring 122, and the grinding disc 3 is ensured not to shift in the lifting and moving processes.

Further, as shown in fig. 1 and 7, the force-bearing member 2 further includes a lifting lug 23 and is disposed along the circumferential direction of the force-bearing member 2. In this embodiment, 4 lifting lugs 23 are circumferentially distributed at intervals on the arc end of the force bearing component 2, so that the lifting operation under special conditions can be met.

In summary, the working principle of the dismounting trolley of the vertical roller mill is as follows:

as shown in fig. 1 and 8, when the disassembly and assembly trolley moves to the position right below the grinding disc 3, the jacking mechanism 11 is started to lift the lifting tray 12 until the lifting tray contacts with the grinding disc 3; after the grinding disc 3 is fixed stably, the jacking mechanism 11 is started to retract, so that the grinding disc 3 finally falls on the horizontal end 201 of the force bearing part 2; as shown in fig. 1 and 2, the device is connected with a traction head 13 through a traction device so as to drive the disassembly and assembly trolley to move; when the bogie needs to be steered, the telescopic motion of the steering driving source 20 drives the traction head 13 to swing, the swing of the traction head 13 drives the steering axle 16 to rotate through the steering pull rod 14, so that the steering axle group 41 is driven to steer left and right, and the steering motion of the dismounting bogie is realized.

To sum up, the utility model discloses effectively overcome all kinds of shortcomings among the prior art and had high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a dismouting platform truck of vertical roller mill, includes load part (2) and installs walking part (4) in load part (2) bottom, its characterized in that: further comprising a steering drive source (20); the walking part (4) comprises a steering axle group (41), the steering axle group (41) comprises a vertical steering shaft (15) which is rotatably arranged at the bottom of the bearing part (2), a steering plectrum (16) which is fixed on the vertical steering shaft (15) and a steering wheel (17) which is arranged on the vertical steering shaft (15); the steering driving source (20) is in transmission connection with the steering plectrum (16) and is used for driving the steering plectrum (16) to steer.

2. The disassembly and assembly trolley according to claim 1, wherein: the steering mechanism is characterized by further comprising a traction head (13) and a steering pull rod (14), wherein the traction head (13) is hinged to one end of the bearing component (2), two ends of the steering driving source (20) are hinged to the bearing component (2) and the traction head (13) respectively, and two ends of the steering pull rod (14) are hinged to the steering poking piece (16) and the traction head (13) respectively.

3. The disassembly and assembly trolley of claim 1, wherein: the steering axle group (41) further comprises a connecting plate (18) and a horizontal steering shaft (19); the upper end of the vertical steering shaft (15) is rotatably sleeved in a connecting plate (18), and the connecting plate (18) is fixedly connected with the force bearing part (2); the horizontal steering shaft (19) is arranged at the lower end of the vertical steering shaft (15); the steering wheels (17) are symmetrically arranged at two ends of the horizontal steering shaft (19) along the axial direction of the horizontal steering shaft (19).

4. The disassembly and assembly trolley of claim 3, wherein: steering axle group (41) still includes connecting piece (43), the lower extreme of perpendicular steering spindle (15) has set firmly link box (44), the interior week of link box (44) is equipped with logical groove (441) that link up along the axial of horizontal steering spindle (19), seted up connecting hole (442) of perpendicular to horizontal steering spindle (19) in link box (44), seted up connecting shaft hole (191) in horizontal steering spindle (19), horizontal steering spindle (19) rotationally wear to establish in logical groove (441), connecting piece (43) rotationally wears to establish in connecting shaft hole (191) and connecting hole (442).

5. The disassembly and assembly trolley of claim 1, wherein: the bearing component (2) is provided with a plurality of longitudinal beams (21) and a plurality of cross beams (22), and the longitudinal beams (21) and the cross beams (22) are vertically staggered.

6. The disassembly and assembly trolley according to claim 1, wherein: the device also comprises a lifting component (1); the lifting component (1) comprises a jacking mechanism (11) and a lifting tray (12); the bottom end of the jacking mechanism (11) is fixedly connected to the force bearing part (2), and the lifting tray (12) is fixedly sleeved on a lifting rod (111) of the jacking mechanism (11).

7. The disassembly and assembly trolley according to claim 6, wherein: the bearing part (2) is composed of a horizontal end (201) and arc ends (202) distributed at two ends of the horizontal end (201), the arc ends (202) extend upwards in an inclined mode, and a tray groove (203) for containing a lifting tray (12) is formed between the horizontal end (201) and the arc ends (202).

8. The disassembly and assembly trolley of claim 6, wherein: the jacking mechanism (11) comprises a hydraulic oil cylinder, and the jacking rod (111) is a piston rod of the hydraulic oil cylinder.

9. The disassembly and assembly trolley according to claim 6, wherein: the lifting tray (12) comprises a thick plate (121) and a guide opening ring (122) for guiding the grinding disc (3), and the outer diameter of the guide opening ring (122) is gradually increased from top to bottom; the guide ring (122) is fixedly arranged on the thick plate (121) and is coaxially arranged.

10. The disassembly and assembly trolley according to claim 1, wherein: the force bearing part (2) further comprises a lifting lug (23) and is arranged along the circumferential direction of the force bearing part (2).

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