CN211099342U

CN211099342U - Fixing tool for replacing grinding roller of grinding machine

Info

Publication number: CN211099342U
Application number: CN201921768303.2U
Authority: CN
Inventors: 侯红光
Original assignee: Shanxi Tongcai Industry and Trade Co Ltd
Current assignee: Shanxi Tongcai Industry and Trade Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-28
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a change fixing tool of mill grinding roller, including well support body, three sides of well support body all are equipped with installation mechanism, be equipped with the grinding roller on the installation mechanism, all be equipped with first opening on the three-terminal lateral wall in the well support body, three first opening and three grinding roller are corresponding, all be equipped with two screw thread blind holes on the relative lateral wall in the first opening, all contradict on the relative lateral wall in the first opening and have the baffle, the upper end of baffle is equipped with two openings corresponding with two screw thread blind holes respectively, it is equipped with the bolt to run through in the opening, the one end of bolt extends to in the screw thread blind hole that corresponds. The utility model discloses well frame body steady connection that can be fine, and then be convenient for firmly press from both sides tight grinding roller, can guarantee the stability of grinding roller when overhauing and changing, shortens the grinding roller and changes required time, promotes the efficiency of changing and overhauing, promotes the security of changing and maintenance work.

Description

Fixing tool for replacing grinding roller of grinding machine

Technical Field

The utility model relates to a coal pulverizer overhauls equipment technical field, especially relates to a change fixing tool of mill grinding roller.

Background

Coal mills are machines for breaking up and grinding coal briquettes into coal dust, which are important auxiliary equipment for coal dust furnaces. The grinding machine comprises a vertical type flour mill, a high-pressure suspension roller mill, a medium-speed micro-powder mill, an overpressure trapezoidal mill, a Raymond mill and the like.

The coal grinding process is a process in which coal is crushed and its surface area is increased continuously. To increase the new surface area, the binding force between solid molecules must be overcome, and thus energy is consumed. The coal is ground into coal powder in a coal mill mainly by three modes of crushing, smashing and grinding.

When a coal mill is overhauled, 10.33 tons of grinding rollers are arranged, the three grinding rollers are fixed on a grinding roller support, if the grinding rollers need to be hung on the grinding roller support firstly, when the grinding roller support is hung, the grinding rollers are easy to overturn under the condition that the grinding rollers are not fixed, so that equipment is damaged or people are injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fixing tool for replacing a grinding roller of a grinding machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a change fixing tool of mill grinding roller, includes well support body, three sides of well support body all are equipped with installation mechanism, be equipped with the grinding roller on the installation mechanism, all be equipped with first opening on the three terminal side wall in the well support body, three first opening and three grinding roller are corresponding, all be equipped with two screw thread blind holes on the intraoral relative lateral wall of first opening, all contradict on the intraoral relative lateral wall of first opening and have the baffle, the upper end of baffle is equipped with two openings corresponding with two screw thread blind holes respectively, it is equipped with the bolt to run through in the opening, the one end of bolt extends to in the screw thread blind hole that corresponds, and the relative one side of two baffles all is fixed with two baffles in the same first opening, and this intraoral grinding roller of first opening is located between four baffles.

Preferably, the mounting mechanism comprises three fixing plates which are respectively fixed on three sides of the middle frame body, the fixing plates are connected with two oil cylinders in a rotating mode, the lower ends of the two oil cylinders on the same side are connected with a mounting plate in a rotating mode, the two sides of the upper end of the mounting plate are connected to the lower end of the middle frame body in a rotating mode, and the three grinding rollers are connected to one side of the three mounting plate in a rotating mode respectively.

Preferably, a connecting plate is fixed between the two clapboards at the same side, and the connecting plate is abutted against the lower ends of the grinding rollers.

Preferably, both of the separators are fixed to one side of the baffle by welding.

Preferably, a second gap is arranged on the baffle.

Preferably, a backing ring penetrates through the bolt, and one side of the backing ring is abutted to the baffle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the position of the grinding roller is convenient to adjust and the grinding roller is convenient to rotate through the matching of the middle frame body, the mounting mechanism, the grinding roller and other components, so that the grinding roller can normally operate in the grinding machine, and the working quality of the grinding roller can be well guaranteed;

2. the grinding roller is convenient to be firmly connected with the middle frame body through the matching of the components such as the bolts, the openings, the baffle plates, the partition plates, the connecting plates and the like, so that the grinding roller is convenient to be firmly clamped, the stability of the grinding roller can be well ensured, the time for fixing the grinding roller can be well prolonged, and the replacement and maintenance efficiency can be improved;

to sum up, the utility model discloses well frame body that can be fine is firm to be connected, and then is convenient for firmly press from both sides tight grinding roller, can guarantee the stability of grinding roller when overhauing and changing, shortens the grinding roller and changes required time, promotes the efficiency of changing and overhauing, promotes the security of changing and maintenance work.

Drawings

FIG. 1 is a top view of a middle frame body of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

FIG. 2 is a schematic view of a baffle mounting structure of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

FIG. 3 is a schematic view of an internal structure of a notch of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

FIG. 4 is a side view of a retaining plate of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

FIG. 5 is a top view of a retaining plate of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

FIG. 6 is a schematic view of a sectional structure of a baffle of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

FIG. 7 is a schematic view of an external structure of a baffle of a fixing tool for replacing a grinding roller of a grinding machine according to the present invention;

in the figure: the grinding device comprises a middle frame body 1, a grinding roller 2, a mounting plate 3, an oil cylinder 4, a first opening 5, a fixing plate 6, a baffle 7, a partition plate 8, a bolt 9, a threaded blind hole 10, a backing ring 11, an opening 12, a second opening 13 and a connecting plate 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a fixing tool for replacing a grinding roller of a grinding machine comprises a middle frame body 1, wherein installation mechanisms are arranged on three sides of the middle frame body 1, and a grinding roller 2 is arranged on each installation mechanism, so that the grinding roller 2 can be conveniently installed and fixed, and the grinding roller 2 can be conveniently rotated, and coal grinding is convenient. The utility model discloses in, all be equipped with first opening 5 on the three terminal side wall in the well frame body 1, three first opening 5 and three grinding roller 2 are corresponding, all be equipped with two screw thread blind holes 10 on the relative lateral wall in the first opening 5, all contradict on the relative lateral wall in the first opening 5 and have baffle 7, the upper end of baffle 7 is equipped with two openings 12 corresponding with two screw thread blind holes 10 respectively, it is equipped with bolt 9 to run through in opening 12, the one end of bolt 9 extends to in the screw thread blind hole 10 that corresponds, with bolt 9 run through opening 12 and spiral shell close into fine fixed stop 7 in the screw thread blind hole 10 that corresponds, opening 12 makes things convenient for adjusting the position of baffle 7, thereby can be better messenger's baffle 7 lower extreme one side conflict grinding roller 2, guarantee can effectually support grinding roller 2. The utility model discloses in, two relative one sides of baffle 7 all are fixed with two baffles 8 in same first opening 5, and grinding roller 2 in this first opening 5 is located between four baffles 8, and the baffle 8 can be fine prevent that grinding roller 2 inclines partially to can be better guarantee grinding roller 2's stability, avoid lifting, when overhauing and dismantling, grinding roller 2 overturns, promote the security of work. The utility model discloses in, be fixed with connecting plate 14 jointly between two baffles 8 with one side, the lower extreme of connecting plate 14 and grinding roller 2 is inconsistent, play the effect of auxiliary stay, connecting plate 14 passes through welded fastening on two baffles 8 and baffle 7, promote the fastness, thereby can be fine support grinding roller 2, two baffles 8 are all through welded fastening in one side of baffle 7, the firm degree of further promotion connection, be equipped with second opening 13 on the baffle 7, it is equipped with backing ring 11 to run through on the bolt 9, one side and the baffle 7 of backing ring 11 are inconsistent, help reducing wear, and tear, and long service life. The utility model discloses in, installation mechanism includes that three fixes fixed plate 6 in 1 three sides of well support body respectively, it is connected with two hydro-cylinders 4 to rotate on the fixed plate 6, hydro-cylinder 4 is connected with external part, can the stable operation, and the staff of being convenient for controls, it is connected with mounting panel 3 to rotate jointly with the lower extreme of two hydro-cylinders 4, the lower extreme of connection at well support body 1 is all rotated to the upper end both sides of mounting panel 3, promote the fastness of connection, and when the hydro-cylinder 4 of being convenient for is flexible, make mounting panel 3 rotate, and then can drive grinding roller 2 and rotate, three grinding roller 2 rotates respectively and connects one side at three mounting panel 3, grinding roller 2 of being convenient for rotates, thereby can be.

The utility model discloses in, during the use, contradict the one end lateral wall in upper end one side and the first opening 5 of baffle 7, and make two openings 12 correspond with two screw thread blind holes 10 respectively, run through opening 12 with bolt 9 and spiral and close in screw thread blind hole 10, remove baffle 7, thereby make connecting plate 14 conflict grinding roller 2, repeat above step, install overhead gage 7 with the both ends lateral wall in the three first opening 5, thereby make the lower extreme both sides of every grinding roller 2 all contradict there is connecting plate 14, every grinding roller 2 all is located between four baffles 8, the stability of assurance grinding roller that can be fine, thereby convenient maintenance, dismantle and change, through mounting panel 3 and hydro-cylinder 4, be convenient for connect grinding roller 2 and well support body 1, and convenient for use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a change fixing tool of mill grinding roller, includes well support body (1), its characterized in that: three sides of the middle frame body (1) are respectively provided with an installation mechanism, the installation mechanism is provided with a grinding roller (2), the side walls of the three ends in the middle frame body (1) are provided with first openings (5), the three first openings (5) correspond to the three grinding rollers (2), two blind threaded holes (10) are arranged on the opposite side walls in the first gap (5), the baffle plates (7) are abutted on the opposite side walls in the first gaps (5), the upper end of the baffle (7) is provided with two openings (12) which respectively correspond to the two threaded blind holes (10), a bolt (9) penetrates through the opening (12), one end of the bolt (9) extends into the corresponding threaded blind hole (10), two clapboards (8) are fixed on the opposite sides of the two baffles (7) in the same first opening (5), and the grinding roller (2) in the first gap (5) is positioned among the four clapboards (8).

2. A fixing tool for replacing a grinding roller of a grinding machine according to claim 1, wherein: the mounting mechanism comprises three fixing plates (6) which are fixed on three sides of the middle frame body (1) respectively, the fixing plates (6) are connected with two oil cylinders (4) in a rotating mode, the lower ends of the two oil cylinders (4) on the same side are connected with a mounting plate (3) in a rotating mode, the two sides of the upper end of the mounting plate (3) are connected with the lower end of the middle frame body (1) in a rotating mode, and three grinding rollers (2) are connected to one side of the three mounting plate (3) in a rotating.

3. A fixing tool for replacing a grinding roller of a grinding machine according to claim 1, wherein: a connecting plate (14) is jointly fixed between the two clapboards (8) on the same side, and the connecting plate (14) is abutted against the lower end of the grinding roller (2).

4. A fixing tool for replacing a grinding roller of a grinding machine according to claim 1, wherein: the two clapboards (8) are fixed on one side of the baffle (7) by welding.

5. A fixing tool for replacing a grinding roller of a grinding machine according to claim 1, wherein: and a second gap (13) is arranged on the baffle (7).

6. A fixing tool for replacing a grinding roller of a grinding machine according to claim 1, wherein: a backing ring (11) penetrates through the bolt (9), and one side of the backing ring (11) is abutted to the baffle (7).