CN223849035U

CN223849035U - Clamping and fixing device for repairing grinding roller of coal mill

Info

Publication number: CN223849035U
Application number: CN202520040947.9U
Authority: CN
Inventors: 黄昱凯
Original assignee: Shanxi Changhong Electric Power Electromechanical Co ltd
Current assignee: Shanxi Changhong Electric Power Electromechanical Co ltd
Priority date: 2025-01-08
Filing date: 2025-01-08
Publication date: 2026-01-30
Anticipated expiration: 2035-01-08

Abstract

The utility model discloses a clamping and fixing device for repairing grinding rolls of a coal mill, which relates to the technical field of coal mills and comprises a base, wherein a rotating seat is rotationally connected to the top of the base, a power structure is arranged between the rotating seat and the base, a positioning structure is arranged at the top of the rotating seat, a placing frame is fixedly connected to the top of the rotating seat, a plurality of cross grooves are formed in the top of the placing frame, a connecting disc is driven to move upwards on two sliding rods by a telescopic end of the hydraulic rod through starting the hydraulic rod, when the connecting disc moves upwards, a plurality of pulling plates respectively push a plurality of pushing plates to spread, and a plurality of pushing plates respectively slide in the cross grooves through a plurality of cross blocks, so that a plurality of clamping inclined blocks can move to a position contacted with the grinding rolls, the top of the grinding rolls can be fixed, the device can fix grinding rolls with various sizes through the arrangement of the plurality of clamping inclined blocks, and the device is simple in structure, convenient and quick.

Description

Clamping and fixing device for repairing grinding roller of coal mill

Technical Field

The utility model relates to the technical field of coal mills, in particular to a clamping and fixing device for repairing a coal mill roller of a coal mill.

Background

The coal mill is a machine for crushing and grinding coal blocks into coal powder, and is an important auxiliary device of a coal powder furnace, and a main working mechanism in the coal mill is a grinding roller.

The utility model provides a repair coal pulverizer grinding roller and use fixed frock now with publication number CN221495624U, includes linkage frame and fixed establishment, the top of linkage frame is provided with the carousel, the top of carousel is through seting up opening sliding connection and has electric telescopic handle, electric telescopic handle is fixed in the inboard of carousel through stop gear.

In the scheme, although the grinding roller is clamped and fixed through the plurality of supporting rods, the clamping and fixing device for the coal mill grinding roller has the defects that the mode of fixing through the plurality of supporting rods is not convenient enough, personnel are required to adjust the angle each time the grinding roller is placed, the operation is complex, and the clamping and fixing device for repairing the grinding roller of the coal mill is designed to solve the defect.

Disclosure of utility model

The utility model aims to provide a clamping and fixing device for repairing a grinding roller of a coal mill, which is used for solving the problems that the device provided in the prior art clamps and fixes the grinding roller through a plurality of supporting rods, but the mode of fixing the grinding roller through the plurality of supporting rods is not convenient enough, and personnel are required to adjust the angle and the operation is complicated when the grinding roller is placed each time.

The clamping and fixing device for repairing the grinding roller of the coal mill comprises a base, wherein a rotating seat is rotatably connected to the top of the base, a power structure is arranged between the rotating seat and the base, a positioning structure is arranged at the top of the rotating seat, a placing frame is fixedly connected to the top of the rotating seat, a plurality of cross grooves are formed in the top of the placing frame, a connecting disc is arranged at the center position of the top of the placing frame, a hydraulic rod is fixedly connected to the top of the connecting disc, a supporting piece is arranged on the outer side of the hydraulic rod, a plurality of pushing plates are arranged on the outer side of the connecting disc, cross blocks are fixedly connected to the bottom of the pushing plates, the cross blocks are arranged in the cross grooves and are in sliding connection with the placing frame, a pulling plate is arranged on one side of the pushing plates, hinge seats are rotatably connected to two ends of the pulling plates, the hinge seats are fixedly connected with the pushing plates and the connecting disc respectively, and clamping inclined blocks are arranged on the other side of the pushing plates.

Preferably, the power structure comprises an outer gear ring, the outer gear ring is fixedly connected to the outer side of the rotating seat, a pinion is connected to the outer side of the outer gear ring in a meshed mode, a motor is arranged at the bottom of the pinion, and the output end of the motor is fixedly connected with the pinion.

Preferably, a placing groove is formed in one corner of the top of the base, the motor is arranged inside the placing groove, and the motor is fixedly connected with the base.

Preferably, the location structure includes mounting groove and worm wheel, the mounting groove is seted up in rotating the seat top, the worm wheel sets up in rotating the seat outside, worm wheel one side fixedly connected with bi-directional screw rod, bi-directional screw rod one end runs through the rotation seat and rotates with the rotation seat and be connected, bi-directional screw rod sets up inside the mounting groove, the equal threaded connection in bi-directional screw rod outside both ends has the sliding block, two the sliding block all sets up inside the mounting groove and rotates seat sliding connection, two the equal fixedly connected with reference column in sliding block top.

Preferably, the positioning structure further comprises a worm, the worm is connected to the outer side of the worm in a meshed mode, supporting blocks are connected to the two ends of the outer side of the worm in a rotating mode, the two supporting blocks are fixedly connected with the rotating seat, a rotating handle is arranged at one end of the worm, and the two supporting blocks play a role in rotating and supporting the worm.

Preferably, the support piece includes the support frame, support frame fixed connection is in the hydraulic stem outside, support frame fixed connection is in rotating the seat top, two slide bars of the inside top fixedly connected with of support frame, two slide bar bottom all runs through the connection pad and with connection pad sliding connection, two slide bar bottom all with rack fixed connection, the setting of support frame plays fixed support's effect to the hydraulic stem.

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

1. According to the application, the hydraulic rod is started, the telescopic end of the hydraulic rod drives the connecting disc to move upwards on the two slide bars, when the connecting disc moves upwards, the plurality of pulling plates respectively push the plurality of pushing plates to spread, the plurality of pushing plates respectively slide in the plurality of cross grooves through the plurality of cross blocks, so that the plurality of clamping inclined blocks move to the positions contacted with the grinding roller, the top end of the grinding roller can be fixed, and the device can be fixed for grinding rollers with various sizes through the arrangement of the plurality of clamping inclined blocks.

2. According to the application, the pinion is driven to rotate through the output end of the motor, the pinion is meshed with the outer gear ring, and the outer gear ring drives the rotating seat to rotate on the base, so that the fixed grinding roller can be rotated, and the grinding roller can be repaired conveniently.

3. According to the application, the rotating handle is rotated, the worm is meshed with the worm wheel, the worm wheel drives the bidirectional screw rod to rotate in the mounting groove, the bidirectional screw rod is in threaded connection with the two sliding blocks, and the two sliding blocks move in opposite directions in the mounting groove, so that the positions of the two positioning columns can be adjusted according to the size of the grinding roller, the grinding roller can be positioned when being placed, the placement deviation is avoided, and the top end of the grinding roller is favorably fixed by the clamping oblique blocks.

Drawings

FIG. 1 is a schematic view of the overall structure of a clamping and fixing device for repairing grinding rolls of a coal mill;

FIG. 2 is a schematic view of a two-way screw structure of a clamping and fixing device for repairing grinding rolls of a coal mill;

FIG. 3 is a schematic diagram of a connecting disc structure of a clamping and fixing device for repairing a grinding roller of a coal mill;

Fig. 4 is a schematic diagram of a pushing plate structure of a clamping and fixing device for repairing a grinding roller of a coal mill.

In the figure, the reference numerals are 1, a base, 100, a placing groove, 2, a rotating seat, 3, an outer gear ring, 4, a pinion, 5, a placing frame, 6, a hydraulic rod, 7, a supporting frame, 8, a connecting disc, 9, a sliding rod, 10, a cross groove, 11, a pushing plate, 12, a clamping inclined block, 13, a pulling plate, 14, a hinging seat, 15, a cross block, 16, a mounting groove, 17, a worm wheel, 18, a worm, 180, a supporting block, 19, a bidirectional screw rod, 20, a sliding block, 21 and a positioning column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-4, The utility model provides a clamping and fixing device for repairing a grinding roller of a coal mill, which comprises a base 1, wherein the top of the base 1 is rotatably connected with a rotating seat 2, a power structure is arranged between the rotating seat 2 and the base 1, the top of the rotating seat 2 is provided with a positioning structure, the top of the rotating seat 2 is fixedly connected with a placing frame 5, the top of the placing frame 5 is provided with a plurality of cross grooves 10, the center position of the top of the placing frame 5 is provided with a connecting disc 8, the top of the connecting disc 8 is fixedly connected with a hydraulic rod 6, the outer side of the hydraulic rod 6 is provided with a supporting piece, the outer side of the connecting disc 8 is provided with a plurality of pushing plates 11, the bottom of the pushing plates 11 is fixedly connected with a cross block 15, the cross block 15 is arranged in the cross grooves 10 and is in sliding connection with the placing frame 5, one side of the pushing plates 11 is provided with a pulling plate 13, both ends of the pulling plate 13 are rotatably connected with hinging seats 14, the two hinging seats 14 are respectively fixedly connected with the pushing plates 11 and the connecting disc 8, and the other side of the pushing plates 11 is provided with a clamping inclined block 12.

The support piece includes support frame 7, and support frame 7 fixed connection is in the hydraulic pressure pole 6 outside, and support frame 7 fixed connection rotates seat 2 top, and two slide bars 9 of the inside top fixedly connected with of support frame 7, two slide bar 9 bottom all run through connection pad 8 and with connection pad 8 sliding connection, two slide bar 9 bottom all with rack 5 fixed connection.

Specifically, place the grinding roller on rack 5, start hydraulic stem 6, hydraulic stem 6 flexible end drives connection pad 8 and upwards moves on two slide bars 9, when connection pad 8 upwards moves, a plurality of pulling plates 13 then promote a plurality of push plates 11 respectively and expand, a plurality of push plates 11 slide in a plurality of cross grooves 10 through a plurality of cross pieces 15 respectively, consequently a plurality of centre gripping bevel blocks 12 then move to the position that contacts with the grinding roller, thereby can fix the grinding roller top, through the setting of a plurality of centre gripping bevel blocks 12, the device can be fixed to the grinding roller of multiple size, and a structure is simple, and is convenient and fast, has improved the practicality of device.

1-2, The power structure comprises an outer gear ring 3, the outer gear ring 3 is fixedly connected to the outer side of a rotating seat 2, a pinion 4 is connected to the outer side of the outer gear ring 3 in a meshed mode, a motor is arranged at the bottom of the pinion 4, an output end of the motor is fixedly connected with the pinion 4, a placing groove 100 is formed in one corner of the top of a base 1, the motor is arranged in the placing groove 100, and the motor is fixedly connected with the base 1.

Specifically, the motor is started, the motor model is not limited specifically, the motor output end drives the pinion 4 to rotate based on the adapting equipment, the pinion 4 is meshed with the outer gear ring 3, and the outer gear ring 3 drives the rotating seat 2 to rotate on the base 1, so that the fixed grinding roller can be rotated, and the grinding roller can be repaired conveniently.

1-2, The positioning structure comprises a mounting groove 16 and a worm wheel 17, the mounting groove 16 is formed in the top of a rotating seat 2, the worm wheel 17 is arranged on the outer side of the rotating seat 2, one side of the worm wheel 17 is fixedly connected with a bidirectional screw rod 19, one end of the bidirectional screw rod 19 penetrates through the rotating seat 2 and is in rotating connection with the rotating seat 2, the bidirectional screw rod 19 is arranged in the mounting groove 16, two ends of the outer side of the bidirectional screw rod 19 are respectively connected with a sliding block 20 in a threaded manner, the two sliding blocks 20 are respectively arranged in the mounting groove 16 and are in sliding connection with the rotating seat 2, the tops of the two sliding blocks 20 are respectively fixedly connected with a positioning column 21, the positioning structure further comprises a worm 18, the worm 18 is in meshed connection with the outer side of the worm wheel 17, two ends of the outer side of the worm 18 are respectively connected with a supporting block 180 in a rotating manner, the two supporting blocks 180 are respectively in fixed connection with the rotating seat 2, and one end of the worm 18 is provided with a rotating handle.

Specifically, the rotating handle is rotated, the worm 18 is meshed with the worm wheel 17, the worm wheel 17 drives the bidirectional screw 19 to rotate in the mounting groove 16, the bidirectional screw 19 is in threaded connection with the two sliding blocks 20, and the two sliding blocks 20 move in opposite directions in the mounting groove 16, so that the positions of the two positioning columns 21 can be adjusted according to the size of the grinding roller, the grinding roller is positioned when being placed, the placement offset is avoided, and the plurality of clamping inclined blocks 12 are beneficial to fixing the top end of the grinding roller.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A clamping and fixing device for repairing grinding rollers of a coal mill, characterized in that: it includes a base (1), a rotating seat (2) is rotatably connected to the top of the base (1), a power structure is provided between the rotating seat (2) and the base (1), a positioning structure is provided on the top of the rotating seat (2), a placement frame (5) is fixedly connected to the top of the rotating seat (2), a plurality of cross grooves (10) are provided on the top of the placement frame (5), a connecting plate (8) is provided at the center of the top of the placement frame (5), a hydraulic rod (6) is fixedly connected to the top of the connecting plate (8), and the hydraulic rod (6) The outer side is provided with a support member, and the outer side of the connecting plate (8) is provided with multiple push plates (11). The bottom of the push plate (11) is fixedly connected with a cross block (15). The cross block (15) is set inside the cross groove (10) and slidably connected to the placement frame (5). A pull plate (13) is provided on one side of the push plate (11). Both ends of the pull plate (13) are rotatably connected with hinge seats (14). The two hinge seats (14) are fixedly connected to the push plate (11) and the connecting plate (8) respectively. A clamping inclined block (12) is installed on the other side of the push plate (11).

2. A clamping and fixing device for repairing grinding rollers of a coal mill according to claim 1, characterized in that: the power structure includes an external gear ring (3), the external gear ring (3) is fixedly connected to the outside of the rotating seat (2), a small gear (4) is meshed on the outside of the external gear ring (3), a motor is provided at the bottom of the small gear (4), and the output end of the motor is fixedly connected to the small gear (4).

3. A clamping and fixing device for repairing grinding rollers of a coal mill according to claim 2, characterized in that: a placement groove (100) is provided at one corner of the top of the base (1), the motor is disposed inside the placement groove (100), and the motor is fixedly connected to the base (1).

4. A clamping and fixing device for repairing grinding rollers of a coal mill according to claim 1, characterized in that: the positioning structure includes an installation groove (16) and a worm gear (17), the installation groove (16) is opened on the top of the rotating seat (2), the worm gear (17) is set on the outside of the rotating seat (2), a bidirectional screw (19) is fixedly connected to one side of the worm gear (17), one end of the bidirectional screw (19) passes through the rotating seat (2) and is rotatably connected to the rotating seat (2), the bidirectional screw (19) is set inside the installation groove (16), both ends of the bidirectional screw (19) are threadedly connected to sliding blocks (20), both sliding blocks (20) are set inside the installation groove (16) and are slidably connected to the rotating seat (2), and both tops of the two sliding blocks (20) are fixedly connected to positioning posts (21).

5. A clamping and fixing device for repairing grinding rollers of a coal mill according to claim 4, characterized in that: the positioning structure further includes a worm (18), the worm (18) is meshed with the outside of the worm wheel (17), and both ends of the outside of the worm (18) are rotatably connected to support blocks (180), both support blocks (180) are fixedly connected to the rotating seat (2), and a handle is installed at one end of the worm (18).

6. A clamping and fixing device for repairing grinding rollers of a coal mill according to claim 1, characterized in that: the support member includes a support frame (7), the support frame (7) is fixedly connected to the outside of the hydraulic rod (6), the support frame (7) is fixedly connected to the top of the rotating seat (2), and two sliding rods (9) are fixedly connected to the top of the inside of the support frame (7), the bottom ends of the two sliding rods (9) pass through the connecting plate (8) and are slidably connected to the connecting plate (8), and the bottom ends of the two sliding rods (9) are fixedly connected to the placement frame (5).