Clamping and fixing device for repairing grinding roller of coal mill

Abstract

The utility model discloses a clamping and fixing device for repairing a grinding roller of a coal mill, which relates to the technical field of coal mills and comprises a base, the top of the base is rotatably connected with a rotating seat, a power structure is arranged between the rotating seat and the base, the top of the rotating seat is provided with a positioning structure, and the top of the rotating seat is fixedly connected with a placing frame. A plurality of cross-shaped grooves are formed in the top of the placing frame, a hydraulic rod is started, the telescopic end of the hydraulic rod drives a connecting disc to move upwards on two sliding rods, when the connecting disc moves upwards, a plurality of pulling plates push a plurality of pushing plates to be unfolded correspondingly, the pushing plates slide in the cross-shaped grooves through a plurality of cross-shaped blocks correspondingly, and therefore the connecting disc can move upwards. Therefore, the multiple clamping inclined blocks move to the positions making contact with the grinding rollers, the top ends of the grinding rollers can be fixed, through the arrangement of the multiple clamping inclined blocks, the device can fix the grinding rollers of various sizes, the structure is simple, convenience and rapidness are achieved, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mill technical field, concretely is a kind of clamping and fixing device for coal mill roller repair. BACKGROUND

[0002] Coal mill is the mechanical that coal block is broken and is ground into coal powder, it is important auxiliary equipment of coal powder furnace, and the main working mechanism in coal mill is roller.

[0003] The present announcement No.

[0004] In the above scheme, although there are many benefits, but there are the following shortcomings: the device is clamped and fixed by multiple abutting rods to the roller, but the way fixed by multiple abutting rods is not convenient, and personnel need to adjust the angle of the roller every time it is placed, which is cumbersome to operate, and thus a kind of clamping and fixing device for coal mill roller repair is designed to solve this shortcoming. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of clamping and fixing device for coal mill roller repair, to solve the problem that the device is clamped and fixed by multiple abutting rods in prior art, but the way fixed by multiple abutting rods is not convenient, and personnel need to adjust the angle of the roller every time it is placed, which is cumbersome to operate.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of clamping and fixing device for coal mill roller repair, including base, the base top rotationally connected with rotating seat, power structure is equipped between the rotating seat and base, the rotating seat top is equipped with positioning structure, the rotating seat top is fixedly connected with placing rack, the placing rack top is equipped with multiple cross grooves, the placing rack top center position is equipped with connecting disc, the connecting disc top is fixedly connected with hydraulic rod, the hydraulic rod outer side is equipped with support piece, the connecting disc outer side is equipped with multiple push plates, the push plate bottom is fixedly connected with cross block, the cross block is arranged in cross groove interior and is slidably connected with placing rack, the push plate one side is equipped with pull plate, the pull plate both ends are rotationally connected with hinged seat, two the hinged seat is fixedly connected with push plate and connecting disc respectively, the push plate other side is equipped with clamping inclined block.

[0007] Preferably, the power structure includes an outer gear ring, the outer gear ring is fixedly connected to the outer side of the rotating seat, the outer side of the outer gear ring is engagedly connected with a pinion, the pinion bottom is provided with a motor, and the motor output end is fixedly connected with the pinion.

[0008] Preferably, a placing groove is arranged at a corner of the top of the base, and the motor is arranged in the placing groove and fixedly connected with the base.

[0009] Preferably, the positioning structure comprises a mounting groove arranged at the top of the rotating seat and a worm gear arranged outside the rotating seat, one side of the worm gear is fixedly connected with a bidirectional screw rod, one end of the bidirectional screw rod penetrates through the rotating seat and is rotationally connected with the rotating seat, the bidirectional screw rod is arranged in the mounting groove, the outer sides of both ends of the bidirectional screw rod are threadedly connected with sliding blocks, both the sliding blocks are arranged in the mounting groove and slidably connected with the rotating seat, and the top of each sliding block is fixedly connected with a positioning column.

[0010] Preferably, the positioning structure further comprises a worm, the worm is meshingly connected outside the worm gear, both ends of the worm are rotationally connected with supporting blocks, both the supporting blocks are fixedly connected with the rotating seat, and one end of the worm is provided with a handle.

[0011] Preferably, the supporting member comprises a supporting frame fixedly connected outside the hydraulic rod, the supporting frame is fixedly connected with the top of the rotating seat, two sliding rods are fixedly connected with the top of the supporting frame, both the bottom ends of the sliding rods penetrate through the connecting disc and are slidably connected with the connecting disc, and both the bottom ends of the sliding rods are fixedly connected with the placing frame.

[0012] Compared with the prior art, the application has the following beneficial effects:

[0013] 1. By starting the hydraulic rod, the extension end of the hydraulic rod drives the connecting disc to move upwards on the two sliding rods, when the connecting disc moves upwards, the plurality of pull plates respectively push the plurality of push plates to expand, the plurality of push plates respectively slide in the plurality of cross grooves through the plurality of cross blocks, and therefore the plurality of clamping inclined blocks are moved to the position in contact with the grinding roller, so that the top end of the grinding roller can be fixed, the device can fix grinding rollers of various sizes through the arrangement of the plurality of clamping inclined blocks, the structure is simple, convenient and fast, and the practicability of the device is improved.

[0014] 2. The motor output end drives the pinion to rotate, the pinion is meshed with the outer gear ring, the outer gear ring drives the rotating seat to rotate on the base, and therefore the fixed grinding roller can be rotated to facilitate the repair of the grinding roller.

[0015] 3、The application adjusts the position of the two positioning columns by rotating the grinding roller, so that the grinding roller is positioned when placed, avoids placement deviation, and is beneficial to fixing the top end of the grinding roller by the plurality of clamping inclined blocks. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the clamping and fixing device for grinding roller repair of the coal mill.

[0017] Figure 2 It is a two-way screw structure schematic view of the clamping and fixing device for grinding roller repair of the coal mill.

[0018] Figure 3 It is a connecting disc structure schematic view of the clamping and fixing device for grinding roller repair of the coal mill.

[0019] Figure 4 It is a pushing plate structure schematic view of the clamping and fixing device for grinding roller repair of the coal mill.

[0020] In the figure, 1 is a base, 100 is a placing groove, 2 is a rotating seat, 3 is an outer gear ring, 4 is a pinion, 5 is a placing frame, 6 is a hydraulic rod, 7 is a supporting frame, 8 is a connecting disc, 9 is a sliding rod, 10 is a cross groove, 11 is a pushing plate, 12 is a clamping inclined block, 13 is a pulling plate, 14 is a hinged seat, 15 is a cross block, 16 is an installation groove, 17 is a worm wheel, 18 is a worm, 180 is a supporting block, 19 is a two-way screw, 20 is a sliding block, and 21 is a positioning column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment: as Figure 1 - Figure 4As shown, the utility model provides a kind of technical scheme of clamping and fixing device for coal mill roller repair, including base 1, base 1 top is rotatably connected with rotating seat 2, and power structure is equipped between rotating seat 2 and base 1, and rotating seat 2 top is equipped with positioning structure, and rotating seat 2 top is fixedly connected with placing rack 5, and multiple cross grooves 10 are opened in the top of placing rack 5, and connecting disc 8 is equipped at the central position of the top of placing rack 5, and hydraulic rod 6 is fixedly connected with the top of connecting disc 8, and support piece is equipped outside hydraulic rod 6, and multiple push plates 11 are equipped outside connecting disc 8, and cross block 15 is fixedly connected with the bottom of push plate 11, and cross block 15 is arranged in cross groove 10 and is slidably connected with placing rack 5, and pull plate 13 is equipped at one side of push plate 11, and hinged seat 14 is rotatably connected at both ends of pull plate 13, and two hinged seats 14 are fixedly connected with push plate 11 and connecting disc 8 respectively, and clamping inclined block 12 is installed at the other side of push plate 11.

[0023] Support piece includes support frame 7, and support frame 7 is fixedly connected with the outside of hydraulic rod 6, and support frame 7 is fixedly connected with the top of rotating seat 2, and two slide rods 9 are fixedly connected with the inside top end of support frame 7, and the bottom end of two slide rods 9 penetrates connecting disc 8 and is slidably connected with connecting disc 8, and the bottom end of two slide rods 9 is fixedly connected with placing rack 5.

[0024] Specifically, after placing roller on placing rack 5, start hydraulic rod 6, and the telescopic end of hydraulic rod 6 drives connecting disc 8 to move upwards on two slide rods 9, when connecting disc 8 moves upwards, multiple pull plates 13 respectively push multiple push plates 11 to expand, and multiple push plates 11 respectively slide in multiple cross grooves 10 through multiple cross blocks 15, so multiple clamping inclined blocks 12 move to the position of contact with roller, so that the top of roller can be fixed, through the setting of multiple clamping inclined blocks 12, the device can be fixed for multiple sizes of rollers, simple structure, convenient and fast, improve the practicability of the device.

[0025] Embodiment: as Figure 1 Figure 2 As shown, power structure includes outer gear 3, and outer gear 3 is fixedly connected with the outside of rotating seat 2, and small gear 4 is meshingly connected with the outside of outer gear 3, and motor is equipped at the bottom of small gear 4, and motor output end is fixedly connected with small gear 4, and placing groove 100 is opened at one corner of the top of base 1, and motor is arranged in placing groove 100, and motor is fixedly connected with base 1.

[0026] Specifically, start motor, and the type of motor is not specifically limited, and it is adapted to equipment, motor output end drives small gear 4 to rotate, small gear 4 is engaged with outer gear 3, and outer gear 3 drives rotating seat 2 to rotate on base 1, so that the fixed roller can be rotated to facilitate roller repair.

[0027] Embodiment: as Figure 1 ​- Figure 2 As shown, the positioning structure comprises the mounting groove 16 and the worm gear 17, the mounting groove 16 is arranged on the top of the rotating base 2, the worm gear 17 is arranged on the outer side of the rotating base 2, one side of the worm gear 17 is fixedly connected with the bidirectional screw rod 19, one end of the bidirectional screw rod 19 penetrates through the rotating base 2 and is rotatably connected with the rotating base 2, the bidirectional screw rod 19 is arranged in the mounting groove 16, the outer side of the bidirectional screw rod 19 is threadedly connected with the sliding block 20, the two sliding blocks 20 are arranged in the mounting groove 16 and are slidably connected with the rotating base 2, the top of the two sliding blocks 20 is fixedly connected with the positioning column 21, and the positioning structure further comprises the worm 18, the worm 18 is meshingly connected on the outer side of the worm gear 17, the outer side of the worm 18 is rotatably connected with the supporting block 180, the two supporting blocks 180 are fixedly connected with the rotating base 2, and one end of the worm 18 is provided with the rotating handle.

[0028] Specifically, the rotating handle is rotated, the worm 18 is meshed with the worm gear 17, the worm gear 17 drives the bidirectional screw rod 19 to rotate in the mounting groove 16, the bidirectional screw rod 19 is threadedly connected with the two sliding blocks 20, and the two sliding blocks 20 are relatively moved in the mounting groove 16, therefore, the positions of the two positioning columns 21 can be adjusted according to the size of the grinding roller, so that the grinding roller is positioned when placed, the placement deviation is avoided, and the grinding roller top end is fixed by the plurality of clamping inclined blocks 12.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A clamping and fixing device for repairing grinding rollers of a coal mill, characterized in that: The utility model provides a kind of multi-angle rotating display rack, including base (1), the top rotary connection of base (1) is rotated seat (2), power structure is equipped between rotated seat (2) and base (1), the top of rotated seat (2) is equipped with positioning structure, the top fixed connection of rotated seat (2) is placed frame (5), the top of placed frame (5) is equipped with multiple cross grooves (10), the top center position of placed frame (5) is equipped with connecting disc (8), the top fixed connection of connecting disc (8) is hydraulic rod (6), the outside of hydraulic rod (6) is equipped with support piece, the outside of connecting disc (8) is equipped with multiple push plate (11), the bottom fixed connection of push plate (11) is cross block (15), cross block (15) is arranged in cross groove (10) inside and is slidably connected with placed frame (5), the side of push plate (11) is equipped with pull plate (13), both ends of pull plate (13) are rotatably connected with hinged seat (14), two hinged seats (14) are fixedly connected with push plate (11) and connecting disc (8) respectively, the other side of push plate (11) is equipped with clamping inclined block (12).

2. A clamping fixture for use in repairing a roller of a coal pulverizer, according to claim 1, wherein: The power structure includes an outer gear ring (3), the outer gear ring (3) is fixedly connected to the outer side of the rotating seat (2), the outer gear ring (3) is meshingly connected with a pinion (4) on the outer side, the pinion (4) is provided with a motor at the bottom, and the output end of the motor is fixedly connected with the pinion (4).

3. A clamping fixture for use in repairing a roller of a coal pulverizer, according to claim 2, wherein: The top of the base (1) is provided with a placing groove (100) at one corner, the motor is arranged in the placing groove (100), and the motor is fixedly connected with the base (1).

4. A clamping fixture for use in repairing a roller of a coal pulverizer, according to claim 1, wherein: The positioning structure includes a mounting groove (16) and a worm gear (17), the mounting groove (16) is provided at the top of the rotating seat (2), the worm gear (17) is arranged on the outer side of the rotating seat (2), the worm gear (17) is fixedly connected with a bidirectional screw rod (19) on one side, one end of the bidirectional screw rod (19) penetrates through the rotating seat (2) and is rotatably connected with the rotating seat (2), the bidirectional screw rod (19) is arranged in the mounting groove (16), and the outer side of the bidirectional screw rod (19) is threadedly connected with a sliding block (20) at both ends, both the sliding blocks (20) are arranged in the mounting groove (16) and are slidably connected with the rotating seat (2), and both the sliding blocks (20) are fixedly connected with a positioning column (21) at the top.

5. A clamping fixture for use in the repair of a coal pulverizer roller as defined in claim 4, wherein: The positioning structure further includes a worm (18), the worm (18) is meshingly connected on the outer side of the worm gear (17), both ends of the worm (18) are rotatably connected with a support block (180) on the outer side, both the support blocks (180) are fixedly connected with the rotating seat (2), and one end of the worm (18) is mounted with a rotating handle.

6. A clamping fixture for use in repairing a coal pulverizer roller as defined in claim 1, wherein: The support piece includes a support frame (7), the support frame (7) is fixedly connected to the outer side of the hydraulic rod (6), the support frame (7) is fixedly connected to the top of the rotating seat (2), two sliding rods (9) are fixedly connected to the inner top of the support frame (7), both ends of the two sliding rods (9) penetrate through the connecting disc (8) and are slidably connected with the connecting disc (8), and both ends of the two sliding rods (9) are fixedly connected with the placed frame (5).

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