Furnace door repairing device for coke oven

Abstract

The utility model discloses an oven door repairing device for a coke oven. The oven door repairing device comprises a track frame, a driving mechanism, two rising and falling turnover mechanisms and two locking mechanisms symmetrically mounted on an oven door frame, the driving mechanism is correspondingly and movably meshed with two racks on the track frame through two gears on the driving mechanism, and four first guide wheels on the driving mechanism are movably arranged on two horizontal tracks on the track frame, so that the driving mechanism moves in the track frame; the two ends of the driving mechanism in the movement direction of the driving mechanism are oppositely provided with two rising and falling turnover mechanisms correspondingly. The utility model has the advantages that the furnace door is fixed in the furnace door frame through the locking mechanism, and the lifting turnover mechanism can automatically turn over under the action of the turnover gear motor, so that the maintenance is convenient, the use of manpower is reduced, and the maintenance efficiency is improved; and the driving mechanism reciprocates and drives the two rising and falling turnover mechanisms to synchronously move, so that one-time maintenance and one-time use can be realized in the maintenance process, and production and use are not delayed.

Description

Technical field:

[0001] The utility model relates to the technical field of coke oven maintenance equipment, in particular to a coke oven door repairing device. Background technology:

[0002] During the coke oven production process, the furnace door often needs to be repaired, such as the knife edge, web, lining brick, spring, etc. During the repair, the furnace door is removed from the carbonization chamber and sent to the furnace door repair station for repair.

[0003] The existing furnace door station has the following defects: since the furnace door is large and heavy and has no furnace door frame, the furnace door itself needs to be flipped during the maintenance of the entire furnace door. Usually, the flipping is achieved manually with the assistance of a crane, which is time-consuming and labor-intensive, has low maintenance efficiency, and delays production.

[0004] Therefore, the present application proposes a new technical solution to solve the defects existing in the current prior art. Utility model content:

[0005] The purpose of the utility model is to provide a device for repairing a coke oven door to solve the problems raised in the above background technology.

[0006] The utility model is implemented by the following technical solutions:

[0007] A furnace door repair device for a coke oven comprises a track frame, a driving mechanism, two lifting and turning mechanisms and two locking mechanisms symmetrically installed on the furnace door frame; the driving mechanism is engaged with two racks on the track frame through two gears on the driving mechanism and the four first guide wheels on the driving mechanism are movably arranged on two horizontal tracks on the track frame, so that the driving mechanism can move inside the track frame; two lifting and turning mechanisms are respectively arranged oppositely at both ends of the driving mechanism along the movement direction; the lifting and turning mechanism is hinged to the bottom ends of the truss on the driving mechanism along the movement direction through the two ends of the base on the lifting and turning mechanism, and the two second guide wheels on the lifting and turning mechanism are movably arranged on the arc track and the arc limit guide rail on the track frame, so that the two lifting and turning mechanisms can move inside the track frame; the screw on the locking mechanism causes the limit rod to slide up and down along the rectangular through groove and open or lock the slot by rotating.

[0008] Preferably, the track frame includes: two groups of symmetrically arranged arc tracks, a group of horizontal tracks horizontally arranged on both sides of the two groups of arc tracks, the top ends of the two groups of arc tracks are continuously fixed with arc limit guide rails, and the lower surface of the horizontal track is fixed with a rack.

[0009] Preferably, the driving mechanism includes: a truss, a driving reduction motor, two gears and four first guide wheels; the driving reduction motor is installed in the truss, gears are fixed at both ends of the bidirectional output shaft of the driving reduction motor, and four first guide wheels are arranged on both sides of the top of the truss in pairs.

[0010] Preferably, the lifting, lowering and flipping mechanism includes: a base, a flipping reduction motor, a top seat, a furnace door frame and two second guide wheels; a flipping reduction motor is installed at the bottom of the base, a furnace door frame is rotatably arranged between the base and the top seat, the output shaft end of the flipping reduction motor and the rotating end of the furnace door frame are fixed, and second guide wheels are rotatably arranged at both ends of the top seat.

[0011] Preferably, the locking mechanism comprises: two limit seats and a support seat, a limit rod, an internal threaded tube, a screw and a rotating handle which are fixed in sequence from top to bottom on one side of the furnace door frame; two rectangular through grooves arranged in parallel are vertically opened on the limit seat, and a card slot is opened on the bottom of the limit seat close to the inner surface of the furnace door frame, and the card on the furnace door can be inserted into the card slot and locked by the limit rod; the limit rod is slidably inserted into the two rectangular through grooves, and an internal threaded tube is fixed to the bottom end of the limit rod, one end of the screw is rotatably set on the support seat and is equipped with a rotating handle, and the other end of the screw passes through the internal threaded tube and is threadedly rotated and connected.

[0012] Preferably, the limiting plug rod comprises: a vertically arranged rectangular plug rod and two L-shaped plug rods in an "L"-shaped structure; the rectangular plug rod and the L-shaped plug rod can both be slidably inserted into the rectangular through groove.

[0013] The advantages of the utility model are as follows: the furnace door is fixed in the furnace door frame by a locking mechanism, and the lifting and turning mechanism can turn over automatically under the action of a turning reduction motor, which is convenient for maintenance, reduces the use of manpower, and improves maintenance efficiency; and then the driving mechanism reciprocates and drives the two lifting and turning mechanisms to move synchronously, that is, when one lifting and turning mechanism falls, the other lifting and turning mechanism starts to rise, so that one can be repaired and used at the same time during the maintenance process, without delaying production and use. Description of the drawings:

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 is a schematic diagram of the structure of the track frame;

[0016] Figure 3 is a structural schematic diagram of a truss and a first guide wheel;

[0017] Figure 4 It is a schematic diagram of the structure of the driving reduction motor and gear;

[0018] Figure 5 It is a schematic diagram of the structure of the lifting and flipping mechanism and the locking mechanism;

[0019] Figure 6 It is a structural schematic diagram of the furnace door frame, the limit seat and the support seat;

[0020] Figure 7 It is a structural schematic diagram of a limit rod;

[0021] Figure 8 It is the changing state diagram of the lifting, landing and flipping mechanism;

[0022] Fig. 9 Schematic diagram of the top installation of the truss.

[0023] In the figure: 1. Track frame, 1.1. Arc track, 1.2. Horizontal track, 1.3. Arc limit guide rail, 1.4. Rack; 2. Driving mechanism, 2.1. Truss, 2.2. Driving reduction motor, 2.3. Gear, 2.4. First guide wheel, 3. Lifting and turning mechanism, 3.1. Base, 3.2. Turning reduction motor, 3.3. Top seat, 3.4. Furnace door frame, 3.5. Second guide wheel, 4. Locking mechanism, 4.1. Limit seat, 4.11. Rectangular through groove, 4.12. Card slot, 4.2. Support seat, 4.3. Limit plug rod, 4.31. Rectangular plug rod, 4.32. L-shaped plug rod, 4.4. Internal threaded pipe, 4.5. Screw, 4.6. Turn handle, 5. Beam. Specific implementation method:

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-9 The utility model provides a technical solution for a coke oven door repair device:

[0026] like Figure 1As shown, a furnace door repair device for a coke oven comprises a track frame 1, a driving mechanism 2, two lifting and turning mechanisms 3 and two locking mechanisms 4 symmetrically mounted on a furnace door frame 3.4; the driving mechanism 2 is engaged with two racks 1.4 on the track frame 1 through two gears 2.3 on the driving mechanism 2 and are movably mounted on two horizontal tracks 1.2 on the track frame 1, so that the driving mechanism 2 can move inside the track frame 1; two lifting and turning mechanisms 3 are arranged opposite to each other at both ends of the driving mechanism 2 along its moving direction; the lifting and turning mechanisms 3 are hinged to the two ends of the bottom of the truss 2.1 on the driving mechanism 2 along the moving direction through the two ends of the base 3.1 on the lifting and turning mechanisms 3, and the lifting and turning mechanisms The two second guide wheels 3.5 on 3 are movably arranged on the arc track 1.1 and the arc limit guide rail 1.3 on the track frame 1, so that the two lifting and turning mechanisms 3 can move inside the track frame 1, and the driving mechanism 2 reciprocates and drives the two lifting and turning mechanisms 3 to move synchronously. When one lifting and turning mechanism 3 falls, the other lifting and turning mechanism 3 starts to rise, so that one can be repaired and the other can be used during maintenance without delaying production and use; when the furnace door is placed on the furnace door frame 3.4, the clamp on the furnace door is inserted into the clamping slot 4.12, and the screw 4.5 on the locking mechanism 4 is rotated to make the limit plug rod 4.3 slide up and down along the rectangular through slot 4.11 and open or lock the clamping slot 4.12, thereby realizing the fixing and taking of the furnace door.

[0027] like Figure 2 As shown, the track frame 1 includes: two groups of symmetrically arranged arc tracks 1.1, a group of horizontal tracks 1.2 horizontally arranged on both sides of the two groups of arc tracks 1.1, and the tops of the two groups of arc tracks 1.1 are continuously fixed with arc limit guide rails 1.3 to prevent the lifting and falling flipping mechanism 3 from accidentally tipping over during the rising process; the lower surface of the horizontal track 1.2 is fixed with a rack 1.4.

[0028] like Figure 3 , 4 As shown, the driving mechanism 2 includes: a truss 2.1, a driving reduction motor 2.2, two gears 2.3 and four first guide wheels 2.4; the driving reduction motor 2.2 is installed in the truss 2.1, and gears 2.3 are fixed at both ends of the bidirectional output shaft of the driving reduction motor 2.2, and four first guide wheels 2.4 are arranged on both sides of the top of the truss 2.1 in pairs.

[0029] like Figure 5 or Figure 8As shown, the lifting and lowering and flipping mechanism 3 includes: a base 3.1, a flipping reduction motor 3.2, a top seat 3.3, a furnace door frame 3.4 and two second guide wheels 3.5; a flipping reduction motor 3.2 is installed at the bottom of the base 3.1, and a furnace door frame 3.4 is rotatably arranged between the base 3.1 and the top seat 3.3, and the output shaft end of the flipping reduction motor 3.2 is fixed to the rotating end of the furnace door frame 3.4, which is convenient for rotating the furnace door frame 3.4 to realize flipping of the furnace door, facilitate maintenance, reduce the use of manpower, and improve maintenance efficiency; second guide wheels 3.5 are rotatably arranged at both ends of the top seat 3.3, so that the lifting and lowering and flipping mechanism 3 can move synchronously with the movement of the driving mechanism 2.

[0030] like Figure 5-9 As shown, the locking mechanism 4 includes: two limit seats 4.1 and a support seat 4.2, a limit rod 4.3, an internal threaded tube 4.4, a screw 4.5 and a rotating handle 4.6, which are fixed on one side of the furnace door frame 3.4 from top to bottom in sequence; two rectangular through grooves 4.11 arranged in parallel are vertically opened on the limit seat 4.1, and a card slot 4.12 is opened on the bottom of the limit seat 4.1 near the inner surface of the furnace door frame 3.4, and the card on the furnace door can be inserted into the card slot 4.12 and locked by the limit rod 4.3; wherein, the limit rod 4.3 includes: a vertically arranged rectangular rod 4.31 and two L-shaped rods 4.32 in an "L"-shaped structure; the rectangular rod 4.31 and the L-shaped rod 4.32 can both be slidably inserted into the rectangular through groove 4.11. The bottom end of the limit rod 4.3 is fixed with an internal threaded tube 4.4, one end of the screw rod 4.5 is rotatably arranged on the support seat 4.2 and is equipped with a rotating handle 4.6, and the other end of the screw rod 4.5 passes through the internal threaded tube 4.4 and is threadedly rotatably connected.

[0031] The working principle is as follows: after the furnace door is placed on one of the furnace door frames 3.4, the clamp on the furnace door is inserted into the clamping slot 4.12, and the screw 4.5 on the locking mechanism 4 is rotated to make the limit rod 4.3 slide downward along the rectangular through slot 4.11 and lock the clamping slot 4.12, thereby fixing the furnace door; then maintenance is carried out, and the furnace door itself is flipped with the help of the lifting and turning mechanism 3, which is convenient for maintenance, reduces the use of manpower, and improves maintenance efficiency; after maintenance, the maintenanced furnace door is synchronously moved upward along the arc track 1.1 on one side with the lifting and turning mechanism 3 by driving the reduction motor 2.2; at this time, the lifting and turning mechanism 3 on the other side moves downward along the arc track 1.1 on the other side to a horizontal position, and then the furnace door to be repaired is placed on the other furnace door frame 3.4 again; then the above operation is repeated, and one repair and one use can be achieved without delaying production and use; the technical defects in the current existing technology are solved.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coke oven door repair device, characterized in that: The invention comprises a track frame (1), a driving mechanism (2), two lifting and flipping mechanisms (3) and two locking mechanisms (4) symmetrically mounted on a furnace door frame (3.4); the driving mechanism (2) is movable inside the track frame (1) through corresponding movable engagement of two gears (2.3) on the driving mechanism (2) and two racks (1.4) on the track frame (1), and four first guide wheels (2.4) on the driving mechanism (2) are movably mounted on two horizontal tracks (1.2) on the track frame (1); two lifting and flipping mechanisms (3) are respectively arranged opposite to each other at both ends of the driving mechanism (2) along its moving direction. The lifting and flipping mechanism (3) is hinged to the two ends of the bottom of the truss (2.1) on the driving mechanism (2) along the moving direction through the two ends of the base (3.1) on it, and the two second guide wheels (3.5) on the lifting and flipping mechanism (3) are movably arranged on the arc track (1.1) and the arc limit guide rail (1.3) on the track frame (1), so that the two lifting and flipping mechanisms (3) can move inside the track frame (1); the screw rod (4.5) on the locking mechanism (4) rotates to make the limit rod (4.3) slide up and down along the rectangular through groove (4.11) and open or lock the card slot (4.12).

2. The device for repairing a coke oven door according to claim 1, characterized in that: The track frame (1) comprises two groups of symmetrically arranged arc tracks (1.1), and a group of horizontal tracks (1.2) horizontally arranged on both sides of the two groups of arc tracks (1.1). The top ends of the two groups of arc tracks (1.1) are continuously fixed with arc-shaped limiting guide rails (1.3), and the lower surface of the horizontal tracks (1.2) is fixed with a rack (1.4).

3. The device for repairing a coke oven door according to claim 1, characterized in that: The driving mechanism (2) comprises a truss (2.1), a driving reduction motor (2.2), two gears (2.3) and four first guide wheels (2.4); the driving reduction motor (2.2) is installed in the truss (2.1), gears (2.3) are fixed at both ends of the bidirectional output shaft of the driving reduction motor (2.2), and four first guide wheels (2.4) are arranged opposite to each other on both sides of the top of the truss (2.1).

4. The device for repairing a coke oven door according to claim 1, characterized in that: The lifting and lowering and turning mechanism (3) comprises a base (3.1), a turning reduction motor (3.2), a top seat (3.3), a furnace door frame (3.4) and two second guide wheels (3.5); a turning reduction motor (3.2) is installed at the bottom of the base (3.1), a furnace door frame (3.4) is rotatably arranged between the base (3.1) and the top seat (3.3), the output shaft end of the turning reduction motor (3.2) is fixed to the rotating end of the furnace door frame (3.4), and second guide wheels (3.5) are rotatably arranged at both ends of the top seat (3.3).

5. The device for repairing a coke oven door according to claim 1, characterized in that: The locking mechanism (4) comprises two limit seats (4.1) and a support seat (4.2), a limit plug rod (4.3), an internal threaded tube (4.4), a screw rod (4.5) and a rotating handle (4.6) which are fixed on one side of the furnace door frame (3.4) in sequence from top to bottom; two rectangular through grooves (4.11) arranged in parallel are vertically opened on the limit seat (4.1); a clamping groove (4.12) is opened on the bottom of the limit seat (4.1) near the inner surface of the furnace door frame (3.4); The card member on the door can be inserted into the card slot (4.12) and locked by a limit rod (4.3); the limit rod (4.3) is slidably inserted into two rectangular through grooves (4.11); an internal threaded tube (4.4) is fixed to the bottom end of the limit rod (4.3); one end of the screw rod (4.5) is rotatably arranged on a support seat (4.2) and is provided with a rotating handle (4.6); the other end of the screw rod (4.5) passes through the internal threaded tube (4.4) and is threadedly rotatably connected.

6. The device for repairing a coke oven door according to claim 5, characterized in that: The limiting plug rod (4.3) comprises a vertically arranged rectangular plug rod (4.31) and two L-shaped plug rods (4.32) in an "L"-shaped structure; the rectangular plug rod (4.31) and the L-shaped plug rod (4.32) can both be slidably inserted into the rectangular through groove (4.11).

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