CN212943223U

CN212943223U - Device convenient for installation and maintenance of grinding roller of vertical grinding machine

Info

Publication number: CN212943223U
Application number: CN202021512575.9U
Authority: CN
Inventors: 王安成; 密海涛
Original assignee: Shaanxi Zhengyuan Qindian Environmental Protection Industry Co Ltd
Current assignee: Shaanxi Zhengyuan Qindian Environmental Protection Industry Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-13
Anticipated expiration: 2030-07-27

Abstract

The application relates to a vertical mill, in particular to a device convenient for installing and overhauling a grinding roller of a vertical mill. It is including setting up the mount pad in found mill outside, be provided with the maintenance pneumatic cylinder on the mount pad, it is connected with the upper portion of founding the mill rocking arm to overhaul the pneumatic cylinder drive end, the mount pad top is provided with overhauls the frame, it is provided with the maintenance platform to overhaul to be close to rocking arm upper portion level on the frame. This application has structural design rationally, the change of the grinding roller of being convenient for and the effect of overhauing.

Description

Device convenient for installation and maintenance of grinding roller of vertical grinding machine

Technical Field

The application relates to a vertical mill, in particular to a device convenient for installing and overhauling a grinding roller of a vertical mill.

Background

The vertical mill is a grinding device integrating fine crushing, drying, grinding, powder selecting and conveying, and is widely used for grinding and superfine grinding of various solid materials in the industries of cement, building materials, electric power, metallurgy, chemical industry, non-metal ores and the like. Vertical milling machine mainly by the organism, the grinding roller, the mill, the driving arm, hydraulic pressure station, the selection powder machine, vertical speed reducer, a motor, the lubricated station of speed reducer, parts such as automatically controlled cabinet of PLC constitute, vertical speed reducer sets up the organism in the lower part and connects with the motor key-type, the power connection mill on the output shaft of vertical speed reducer, the selection powder machine is installed in the mill top, the driving arm sets up and is connected at the organism outside and with the pneumatic cylinder, driving arm upper portion extends to the organism in and is connected with the grinding roller, surface contact on grinding roller and the mill, the automatically controlled cabinet control pneumatic cylinder of PLC, motor and vertical speed reduction work, and it has the access hole to begin to be close.

When the grinding mill works, the motor drives the grinding disc to rotate through the vertical speed reducer, solid raw materials enter the center of the grinding disc from the feeding hole, are thrown to the periphery of the grinding disc under the action of a centrifugal force field and are repeatedly ground by the grinding roller to be crushed. The crushed material overflows from the edge of the grinding disc, the powdery material is carried by the high-speed airflow rising from the lower part of the machine, when the rising airflow and the powdery material pass through the powder separator on the upper part in the machine body, under the action of a rotor rapidly rotating by the powder separator, the coarse powder is separated out and falls into the center of the grinding disc for grinding again, and the fine powder is discharged from the upper part of the grinding disc along with the airflow for grinding.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the grinding roller is as the core component of founding the mill, appears wearing and tearing and harm easily in the use, and under the normal conditions, maintainer overhauls the grinding roller through business turn over access hole, overhauls inconveniently.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the maintenance of grinding roller, this application provides a device is overhauld in installation of mill grinding roller convenient to found.

The application provides a pair of be convenient for found mill grinding roller installation and overhaul device adopts following technical scheme:

the utility model provides a be convenient for found mill grinding roller installation and overhaul device, is including setting up at the outside mount pad of standing the mill, be provided with the maintenance pneumatic cylinder on the mount pad, it is connected with the upper portion of standing the mill rocking arm to overhaul the pneumatic cylinder drive end, the mount pad top is provided with overhauls the frame, it is provided with the maintenance platform to overhaul to be close to rocking arm upper portion level on the frame.

Through adopting above-mentioned technical scheme, when overhauing or changing the grinding roller, start and overhaul the pneumatic cylinder, overhaul pneumatic cylinder drive rocking arm upper portion upset in vertical face, and then drive the grinding roller upset in vertical face, after the upset suitable position, overhaul pneumatic cylinder stop work, maintainer stands and overhauls or changes the grinding roller on overhauing the platform, structural design is reasonable, it is convenient to use.

Preferably, the maintenance frame is provided with a driving mechanism for driving the maintenance platform to move horizontally, the driving mechanism comprises a driving motor, a screw rod and a guide rod parallel to the screw rod, one end of the screw rod is connected with the driving motor through a coupler, the screw rod is in threaded connection with the lower part of the maintenance platform, and the guide rod is in sliding connection with the lower part of the maintenance platform.

Through adopting above-mentioned technical scheme, driving motor drive screw rod rotates, and the screw rod drives and overhauls the platform and remove, and overhauls the platform and remove along the horizontal direction under the effect of guide bar, and the position that the maintainer of being convenient for overhauld the platform according to the position control after the grinding roller upset, simple structure, practicality are strong.

Preferably, the maintenance frame is provided with a limiting rod axially parallel to the guide rod, one side of the limiting rod, which is far away from the vertical mill, is provided with a limiting block, and the bottom of the maintenance frame is connected with the limiting rod in a sliding manner.

Through adopting above-mentioned technical scheme, set up gag lever post and stopper and be used for spacing the shift position who overhauls the platform, improve the security of overhauing the platform.

Preferably, the maintenance platform is vertically and evenly provided with a plurality of groups of mounting columns along the edges of the periphery, and two adjacent mounting columns are provided with guardrails in an inserted mode.

By adopting the technical scheme, the installation columns are arranged, so that the guardrail can be conveniently installed and disassembled according to the actual use condition; the guardrail is arranged to improve the safety of the maintenance platform.

Preferably, one side of the mounting column, which faces the guardrail, is vertically provided with a through insertion groove, and the guardrail is inserted in the through insertion groove.

Through adopting above-mentioned technical scheme, set up logical groove of cartridge and be used for the cartridge guardrail, during the use, with the guardrail cartridge between the stand that two logical groove openings of cartridge correspond, simple structure, the operation of being convenient for.

Preferably, the lower part of the mounting column is provided with a fixing plate, the fixing plate is provided with a positioning hole, the lower part of the guardrail is transversely provided with a positioning rod, and the positioning rod is inserted in the positioning hole.

Through adopting above-mentioned technical scheme, set up the fixed plate and be used for fixing the guardrail, prevent that the guardrail from leading to the inslot at the cartridge and sliding, reduce maintainer's life potential safety hazard.

Preferably, a ladder is arranged on one side of the maintenance platform.

Through adopting above-mentioned technical scheme, set up ladder easy access personnel and examine the platform from top to bottom.

Preferably, a limiter is arranged in the mounting seat and is hinged with the lower part of the rocker arm.

Through adopting above-mentioned technical scheme, set up the stopper and be used for adjusting the distance between grinding roller and the mill, prevent that grinding roller and mill from excessively rolling, play the guard action to the grinding roller to a certain extent.

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

1. be provided with the rocking arm in this application, rocking arm upper portion is connected with overhauls the pneumatic cylinder, the pneumatic cylinder is articulated with the rocking arm lower part, it connects with rocking arm upper portion to overhaul the pneumatic cylinder, it is provided with the maintenance frame to be close to the mount pad, it is provided with the maintenance platform to overhaul to be close to rocking arm upper portion level on the frame, rocking arm upper portion is under the effect of overhauing the pneumatic cylinder, drive the grinding roller and roll out in the vertical mill, maintainer stands and overhauls or change the grinding roller on overhauing the platform, structural design is.

2. Be provided with in this application and overhaul the frame, overhaul and be provided with actuating mechanism on the frame, actuating mechanism is including setting up the driving motor on overhauing the frame, the screw rod with driving motor output shaft, the guide bar parallel with the screw rod, it sets up the other end on the screw rod and is connected with the guide bar to overhaul platform one end, driving motor drive screw rod rotates, the screw rod drives and overhauls the platform and removes, and overhaul the platform and remove along the horizontal direction under the effect of guide bar, the position that the maintainer of being convenient for overhauld the platform according to the position control after the grinding roller upset, moreover, the steam generator is simple in.

Drawings

FIG. 1 is a schematic structural diagram of a device for facilitating installation and maintenance of a grinding roller of a vertical mill.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Description of reference numerals: 1. a mounting seat; 2. overhauling the hydraulic cylinder; 3. a maintenance frame; 4. overhauling the platform; 5. a drive motor; 6. a screw; 7. a guide bar; 8. a limiting rod; 9. a limiting block; 10. mounting a column; 12. a fixing plate; 13. positioning a rod; 14. a guardrail; 15. a step; 16. a stopper; 17. a rocker arm.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The vertical mill includes the organism, bottom fixed mounting has vertical speed reducer in the organism, the input of vertical speed reducer has driving motor through the coupling joint, vertical speed reducer output end key connection has the mill, the grinding roller has been placed on the mill, the connecting axle of grinding roller passes the organism lateral wall and is connected with the grinding roller and is connected with the rocking arm, the rocking arm lower part articulates there is the subaerial pneumatic cylinder of fixed mounting, the pneumatic cylinder is connected with hydraulic pressure main station, it has the selection powder machine to lie in mill top fixed mounting in the organism, the drive shaft of selection powder machine has been traded.

The embodiment of the application discloses device is overhauld in installation of mill grinding roller convenient to found mill. Referring to fig. 1, the grinding roller installation and maintenance device of the vertical grinding mill comprises an installation seat 1 installed outside the vertical grinding mill, a hinged seat is welded on the installation seat 1, a rocker arm 17 is hinged on the hinged seat, an maintenance hydraulic cylinder 2 is connected to the upper portion of the rocker arm 17, a driving end of the maintenance hydraulic cylinder 2 is hinged to the upper portion of the rocker arm 17 through a hinged shaft, the lower portion of the maintenance hydraulic cylinder 2 is fixedly installed on the installation seat 1 through a bolt, an maintenance frame 3 is installed above the installation seat 1, a maintenance platform 4 and a step 15 convenient for up-down maintenance of the maintenance platform 4 are horizontally installed on the maintenance frame 3 close to the upper portion of the rocker arm 17, a limiter 16 is also fixedly installed on the; wherein, when overhauing or changing the grinding roller, start and overhaul pneumatic cylinder 2, overhaul the upset of 2 drive rocking arms 17 upper portions of pneumatic cylinder in vertical face, rocking arm 17 drives the grinding roller upset, and after rocking arm 17 and grinding roller upset reached suitable angle, overhaul pneumatic cylinder 2 stop work, maintainer stands and overhauls or changes the grinding roller on overhauing platform 4, and structural design is reasonable, it is convenient to use.

Referring to fig. 1 and 2, the maintenance frame 3 is formed by connecting four supporting columns and a cross rod, the maintenance platform 4 is a fixing frame 4 and is arranged on a flat plate made of wood or metal on the upper end of the maintenance frame 3, a plurality of groups of mounting columns 10 are vertically and evenly arranged on the periphery of the maintenance platform 4, and a guardrail 14 is inserted between two adjacent mounting columns 10. An inserting through groove is vertically formed in one side, facing the guardrail 14, of the mounting column 10, and the guardrail 14 is inserted into the inserting through groove; a fixing plate 12 is welded at the lower part of the mounting column 10, a positioning hole is formed in the fixing plate 12, a positioning block is transversely welded at the lower part of the guardrail 14, a positioning rod 13 penetrates through the positioning block, and the positioning rod 13 is inserted into the positioning hole; when the guardrail inserting device is used, the guardrail 14 is inserted between the two upright posts corresponding to the through slot openings, and the positioning rod 13 is inserted in the positioning hole.

Referring to fig. 1, a driving mechanism for driving the maintenance platform 4 to move horizontally is further mounted on the upper portion of the maintenance frame 3, the driving mechanism comprises a driving motor 5 mounted on the maintenance frame 3, a screw 6 and a guide rod 7 parallel to the screw 6, one end of the screw 6 is connected with the driving motor 5 through a coupler, the screw 6 is in threaded connection with the lower portion of the maintenance platform 4, and the guide rod 7 is in sliding connection with the lower portion of the maintenance platform 4; a limiting rod 8 is axially arranged on the maintenance frame 3 in parallel with the guide rod 7, a limiting block 9 is arranged on one side of the limiting rod 8 far away from the vertical grinding machine, and the lower part of the maintenance frame 3 is connected with the limiting rod 8; drive motor 5 drive screw 6 rotates, and screw 6 drives and overhauls platform 4 and remove, and overhauls platform 4 and remove along the horizontal direction under the effect of guide bar 7, and the position that the maintainer of being convenient for overhauld platform 4 is adjusted according to the position after the grinding roller upset, simple structure, practicality are strong.

The implementation principle of the device is overhauld in installation of mill grinding roller convenient to found to this application embodiment does: when the grinding roller needs to be overhauled or changed, start and overhaul pneumatic cylinder 2, overhaul 2 upset in the vertical face of pneumatic cylinder drive rocking arm upper portion, and then drive the grinding roller upset, after rocking arm 17 and grinding roller upset suitable position, overhaul pneumatic cylinder 2 stop work, the maintainer starts driving motor 5 according to the position after the grinding roller upset, driving motor 5 driving screw 6 rotates, screw 6 drives and overhauls platform 4 and removes along 7 axial directions of guide bar, after moving suitable position, the maintainer overhauls or changes the grinding roller, overhaul or change and accomplish the back, start once more and overhaul pneumatic cylinder 2, make rocking arm 17 and grinding roller reply initial position.

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. The utility model provides a device is overhauld in installation of vertical mill grinding roller convenient to, its characterized in that: including setting up at outside mount pad (1) of vertical mill, be provided with on mount pad (1) and overhaul pneumatic cylinder (2), overhaul pneumatic cylinder (2) drive end and the upper portion of standing mill rocking arm (17) and be connected, mount pad (1) top is provided with overhauls frame (3), it is provided with maintenance platform (4) to be close to rocking arm (17) upper portion level on frame (3) to overhaul.

2. The device for facilitating installation and maintenance of the grinding roller of the vertical mill according to claim 1, wherein: the maintenance frame is characterized in that a driving mechanism for driving the maintenance platform (4) to move horizontally is arranged on the maintenance frame (3), the driving mechanism comprises a driving motor (5), a screw rod (6) and a guide rod (7) parallel to the screw rod (6), one end of the screw rod (6) is connected with the driving motor (5) through a coupler, the screw rod (6) is in threaded connection with the lower portion of the maintenance platform (4), and the guide rod (7) is in sliding connection with the lower portion of the maintenance platform (4).

3. The device for facilitating installation and maintenance of the grinding roller of the vertical mill according to claim 2, wherein: maintenance frame (3) go up and guide bar (7) axial direction parallel arrangement have gag lever post (8), keep away from on gag lever post (8) and found mill one side and be provided with stopper (9), maintenance frame (3) bottom and gag lever post (8) sliding connection.

4. The device for facilitating installation and maintenance of the grinding roller of the vertical mill according to claim 1, wherein: the maintenance platform (4) is vertically and evenly provided with a plurality of groups of mounting columns (10) along the edges of the periphery, and two adjacent mounting columns (10) are inserted with guardrails (14).

5. The device for facilitating installation and maintenance of the grinding roller of the vertical grinding mill according to claim 4, wherein: the mounting column (10) is provided with a through insertion groove in the vertical direction towards one side of the guardrail (14), and the guardrail (14) is inserted in the through insertion groove.

6. The device for facilitating installation and maintenance of the grinding roller of the vertical grinding mill according to claim 5, wherein: the mounting post is characterized in that a fixing plate (12) is arranged on the lower portion of the mounting post (10), a positioning hole is formed in the fixing plate (12), a positioning rod (13) is transversely arranged on the lower portion of the guardrail (14), and the positioning rod (13) is inserted into the positioning hole.

7. The device for facilitating installation and maintenance of the grinding roller of the vertical mill according to claim 1, wherein: one side of the maintenance platform (4) is provided with a ladder (15).

8. The device for facilitating installation and maintenance of the grinding roller of the vertical mill according to claim 1, wherein: the mounting seat (1) is further provided with a limiting stopper (16), and the limiting stopper (16) is fixedly connected with the lower portion of the rocker arm (17).