Blank furnace door with heat preservation effect

Abstract

The utility model discloses a blank furnace door with a heat preservation effect. Comprising a blank furnace outer wall, a driving hydraulic device, a balance weight, a balance weight end support, a furnace door supporting frame, an auxiliary pulley shaft rod, an auxiliary pulley, a rewinding wheel support, a rewinding wheel bearing, a rewinding wheel, a rewinding end steel wire rope, a rewinding wheel rope blocking rod, a balance weight end guide support, a balance weight end rope blocking rod, a balance weight end guide wheel, a furnace door end guide support, a furnace door end guide wheel and a blank furnace door. The lower portion of the outer wall of the blank furnace is fixedly connected with the driving hydraulic device, the front portion of the outer wall of the blank furnace is fixedly connected with the balance weight end support, a positioning outer groove is formed in the balance weight end support, the upper portion of the driving hydraulic device is fixedly connected with the balance weight, and the lower portion of the driving hydraulic device is fixedly connected with the balance weight. And the counter weight is in sliding connection in the positioning outer groove.

Description

Technical Field

[0001] The utility model relates to the field of blank furnace doors, in particular to a blank furnace door with heat preservation effect. Background Art

[0002] The existing patent (Announcement No.: CN103438717A) proposes a billet furnace door with insulation effect, including a lifting rope, which is hung on a fixed pulley block and wound on a roller. One end of the lifting rope is connected to the insulation door of the smelting furnace, and the other end of the lifting rope is connected to the counterweight block; both sides of the insulation door of the smelting furnace are provided with lifting slideways, but in this device "the lifting rope is hung on a fixed pulley block and wound on a roller", the insulation door of the smelting furnace is lifted and lowered by the roller, when the insulation door of the smelting furnace is at the bottom, the weight on both sides of the lifting rope is different, causing the insulation door end of the smelting furnace to be heavier, so that the roller is dragged by the friction of the surface for a long time, and after long-term use, the friction may be weakened, causing the roller to slip and idle, resulting in loss of control, which has certain safety hazards and affects the stability of the equipment. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a billet furnace door that drives the counterweight to rise and fall through a driving hydraulic device at the lower part of the outer wall of the billet furnace, so that the steel wire rope on the upper part of the rewinding wheel drives the billet furnace door to rise and fall, and cooperates with the rewinding wheel inside the rewinding wheel bracket and the counterweight end guide wheel at the front of the counterweight end guide bracket to rewind and guide the steel wire rope, and cooperates with the rewinding wheel rope blocking rod on the side of the rewinding wheel bracket and the counterweight end rope blocking rod inside the counterweight end guide bracket to jointly position the steel wire rope, thereby preventing the steel wire rope from jumping inside the equipment, and during the process, there is no need to rely on friction, thereby preventing the steel wire rope from slipping, thereby increasing the stability of the equipment and providing a billet furnace door with a heat preservation effect.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A billet furnace door with a heat-insulating effect comprises an outer wall of the billet furnace, a driving hydraulic device, a counterweight, a counterweight end bracket, a furnace door support frame, an auxiliary pulley shaft, an auxiliary pulley, a rewinding wheel bracket, a rewinding wheel bearing, a rewinding wheel, a rewinding end wire rope, a rewinding wheel rope-blocking rod, a counterweight end guide bracket, a counterweight end rope-blocking rod, a counterweight end guide wheel, a furnace door end guide bracket, a furnace door end guide wheel, a billet furnace door, a cover hinge, an inspection cover, a heat-insulating device, an upper end locking shaft, a locking rod sleeve, a convex locking strip, and a locking strip nut. The lower part of the outer wall of the billet furnace is fixedly connected to the driving hydraulic device, the front part of the outer wall of the billet furnace is fixedly connected to the counterweight end bracket, and a positioning outer groove is provided inside the counterweight end bracket.

[0006] The upper part of the driving hydraulic device is fixedly connected to the counterweight, and the counterweight is slidably connected inside the positioning outer groove. The rear part of the counterweight is provided with an auxiliary wheel groove, and the inside of the auxiliary wheel groove is fixedly connected to the auxiliary pulley shaft rod, the auxiliary pulley shaft rod is adapted to the auxiliary pulley, the auxiliary pulley shaft rod is connected to the auxiliary pulley, and the auxiliary pulley rotates on the side of the auxiliary pulley shaft rod. The inner part of the outer wall of the billet furnace is fixedly connected to the furnace door support frame, and the front part of the furnace door support frame is provided with an inner counterweight slide groove, the auxiliary pulley rotates on the surface of the inner counterweight slide groove, and the upper part of the counterweight is fixedly connected to the rewinding wheel bracket. Beneficial Effects

[0007] 1. During the use of the billet furnace door with heat preservation effect of the utility model, the driving hydraulic device at the lower part of the outer wall 1 of the billet furnace drives the counterweight to rise and fall, so that the steel wire rope on the upper part of the rewinding wheel drives the billet furnace door to rise and fall, and there is no need to rely on friction, thereby avoiding the slipping of the steel wire rope, thereby increasing the stability of the equipment.

[0008] 2. During the use of the billet furnace door with thermal insulation effect of the utility model, the wire rope is rewound and guided by the rewinding wheel inside the rewinding wheel bracket and the counterweight end guide wheel at the front of the counterweight end guide bracket, and the wire rope is positioned together with the rewinding wheel rope blocking rod on the side of the rewinding wheel bracket and the counterweight end rope blocking rod inside the counterweight end guide bracket, thereby preventing the wire rope from jumping inside the equipment, thereby further increasing the stability of the equipment.

[0009] 3. During the use of the billet furnace door with heat preservation effect of the utility model, the billet furnace door is isolated inside the furnace door support frame and the heat preservation device inside the positioning outer groove is cooperated to perform heat preservation. When the heat preservation device needs to be replaced, the lock bar nut at the front of the inspection cover is rotated to separate the inspection cover from the side of the billet furnace door, thereby facilitating the staff to replace the heat preservation device inside the billet furnace door, thereby increasing the working efficiency of the equipment.

[0010] 4. During the use of the billet furnace door with heat preservation effect of the utility model, the lifting and lowering of the billet furnace door is controlled by driving the hydraulic device to drag the counterweight. Since the counterweight has part of its own weight, the load of the driving hydraulic device on the billet furnace door is reduced, thereby increasing the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a schematic diagram of the structure of a blank furnace door with heat preservation effect.

[0012] Figure 2 It is a three-dimensional assembly schematic diagram of a billet furnace door structure with heat preservation effect described in the utility model.

[0013] Figure 3 It is a partial cross-sectional schematic diagram of a billet furnace door counterweight structure with heat preservation effect described in the utility model.

[0014] Figure 4 It is a partial cross-sectional view of a guide bracket structure of a counterweight end of a billet furnace door with a heat-insulating effect described in the utility model.

[0015] Figure 5 It is a partial cross-sectional view of a furnace door end guide bracket structure of a billet furnace door with heat preservation effect described in the utility model.

[0016] Figure 6 It is a three-dimensional assembly schematic diagram of a blank furnace door lock core structure with heat preservation effect described in the utility model. Implementation

[0017] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0018] Embodiment 1:

[0019] A billet furnace door with a heat-insulating effect comprises a billet furnace outer wall 1, a driving hydraulic device 2, a counterweight 3, a counterweight end bracket 4, a furnace door support frame 6, an auxiliary pulley shaft rod 9, an auxiliary pulley 10, a rewinding wheel bracket 11, a rewinding wheel bearing 12, a rewinding wheel 13, a rewinding end steel wire rope 15, a rewinding wheel rope-blocking rod 16, a counterweight end guide bracket 17, a counterweight end rope-blocking rod 18, a counterweight end guide wheel 20, a furnace door end guide bracket 21, a furnace door end guide wheel 22, a billet furnace door 25, a cover hinge 27, an inspection cover 28, a heat-insulating device 29, an upper end lock shaft 30, a lock rod sleeve 31, a convex lock bar 33, and a lock bar nut 34. The lower part of the billet furnace outer wall 1 is fixedly connected to the driving hydraulic device 2, the front part of the billet furnace outer wall 1 is fixedly connected to the counterweight end bracket 4, and the counterweight end bracket 4 has a positioning outer groove 5 inside.

[0020] Embodiment 2:

[0021] The upper part of the driving hydraulic device 2 of the utility model is fixedly connected with the counterweight 3. During the use of the billet furnace door with a heat preservation effect, the driving hydraulic device 2 at the lower part of the outer wall 1 of the billet furnace drives the counterweight 3 to rise and fall, so that the steel wire rope on the upper part of the rewinding wheel 13 drives the billet furnace door 25 to rise and fall, and there is no need to rely on friction during the process, thereby avoiding the slipping of the steel wire rope, thereby increasing the stability of the equipment. The counterweight 3 is slidably connected inside the positioning outer groove 5, and the rear part of the counterweight 3 has an auxiliary wheel groove 8. During the use of the billet furnace door with a heat preservation effect, the driving hydraulic device 2 drags the counterweight 3 to control the billet furnace door 25. Lifting, because the counterweight 3 carries part of its own weight, the load of the driving hydraulic device 2 on the billet furnace door 25 is reduced, so as to increase the service life of the equipment, the auxiliary wheel groove 8 is fixedly connected to the auxiliary pulley shaft 9, the auxiliary pulley shaft 9 is adapted to the auxiliary pulley 10, the auxiliary pulley shaft 9 is connected to the auxiliary pulley 10, the auxiliary pulley 10 rotates on the side of the auxiliary pulley shaft 9, the outer wall 1 of the billet furnace is fixedly connected to the furnace door support frame 6, the front part of the furnace door support frame 6 has an inner counterweight slide groove 7, the auxiliary pulley 10 rotates on the surface of the inner counterweight slide groove 7, and the upper part of the counterweight 3 is fixedly connected to the rewinding wheel bracket 11.

[0022] Embodiment 3:

[0023] The rewinding wheel bearing 12 of the utility model is fixedly connected to the upper part of the rewinding wheel bracket 11 by bolts, and the side of the rewinding wheel 13 is provided with a rewinding wheel shaft rod 14. During the use of the billet furnace door with heat preservation effect, the steel wire rope is rewound and guided by the rewinding wheel 13 inside the rewinding wheel bracket 11 and the counterweight end guide wheel 20 in front of the counterweight end guide bracket 17, and the rewinding wheel rope blocking rod 16 on the side of the rewinding wheel bracket 11 and the counterweight end rope blocking rod 18 inside the counterweight end guide bracket 17 are used to jointly position the steel wire rope, thereby avoiding The wire rope jumps inside the equipment to further increase the stability of the equipment. The rewinding wheel bearing 12 is adapted to the rewinding wheel shaft 14. The rewinding wheel bearing 12 is connected to the rewinding wheel shaft 14. The rewinding wheel shaft 14 rotates inside the rewinding wheel bearing 12. The front of the counterweight end guide bracket 17 is fixedly connected to the counterweight end bracket 4. The rear of the counterweight end guide bracket 17 is fixedly connected to the furnace door support frame 6. The side of the counterweight end guide bracket 17 has a counterweight end guide wheel groove 19. The counterweight end guide wheel groove 19 is adapted to the counterweight end guide wheel 20.

[0024] Embodiment 4:

[0025] The counterweight end guide wheel groove 19 of the utility model is connected to the counterweight end guide wheel 20, and the side of the counterweight end guide wheel 20 rotates inside the counterweight end guide wheel groove 19, the lower part of the counterweight end guide bracket 17 is fixedly connected to the rewinding end steel wire rope 15, and the rewinding end steel wire rope 15 is internally sleeved on the lower part of the rewinding wheel 13, the side of the rewinding wheel bracket 11 is fixedly connected to the rewinding wheel rope stop rod 16, the rewinding wheel rope stop rod 16 corresponds to the position of the rewinding end steel wire rope 15, the rear part of the rewinding end steel wire rope 15 is sleeved on the upper part of the counterweight end guide wheel 20, and the counterweight end guide bracket 17 is internally fixedly connected to the counterweight end rope stop rod 18.

[0026] Embodiment 5:

[0027] The counterweight end rope blocking rod 18 of the utility model corresponds to the position of the rewinding end steel wire rope 15, the upper part of the furnace door support frame 6 is provided with a rope entry hole 23, the upper part of the rope entry hole 23 is fixedly connected to the furnace door end guide bracket 21, the interior of the furnace door end guide bracket 21 is rotatably connected to the furnace door end guide wheel 22, the rear part of the rewinding end steel wire rope 15 is provided with a furnace door end steel wire rope 24, the interior of the furnace door end steel wire rope 24 is sleeved on the upper part of the furnace door end guide wheel 22, and the lower part of the furnace door end steel wire rope 24 is fixedly connected to the billet furnace door 25.

[0028] Embodiment 6:

[0029] The furnace door support frame 6 of the utility model is provided with a blank furnace door guide groove 26 inside, and the blank furnace door guide groove 26 is adapted to the blank furnace door 25, and the blank furnace door 25 slides inside the blank furnace door guide groove 26, and the inspection cover plate 28 is fixedly connected to the lower part of the blank furnace door 25 through the cover plate hinge 27, and the inside of the blank furnace door 25 is connected to the insulation device 29. During the use of the blank furnace door with insulation effect, the blank furnace door 25 inside the furnace door support frame 6 is isolated and cooperated with the insulation device 29 inside the positioning outer groove 5 for insulation. When the insulation device 29 needs to be replaced, the inspection cover plate 28 is separated from the side of the blank furnace door 25 by rotating the lock bar nut 34 at the front of the inspection cover plate 28, so that the inspection cover plate 28 is separated from the side of the blank furnace door 25, thereby facilitating the staff to replace the insulation device 29 inside the blank furnace door 25, thereby increasing the working efficiency of the equipment, and the upper part of the blank furnace door 25 is fixedly connected to the upper end lock shaft 30.

[0030] Embodiment 7:

[0031] The upper end lock shaft 30 of the utility model is rotatably connected to the lock rod sleeve 31, the lower part of the lock rod sleeve 31 has a lock rod 32, the convex lock bar 33 is slidably connected to the inside of the lock rod 32, the lock bar nut 34 is threadedly connected to the lower part of the lock rod 32, and the upper part of the inspection cover 28 has a lock core 35, the lock core 35 is adapted to the convex lock bar 33, the lock core 35 is connected to the convex lock bar 33, and the convex lock bar 33 is stuck in the lock core 35.

[0032] Embodiment 8:

[0033] The utility model installation steps are as follows: the lower part of the outer wall 1 of the blank furnace is fixedly connected to the driving hydraulic device 2, the front part of the outer wall 1 of the blank furnace is fixedly connected to the counterweight end bracket 4, the upper part of the driving hydraulic device 2 is fixedly connected to the counterweight 3, the counterweight 3 is slidably connected inside the positioning outer groove 5, the inside of the auxiliary wheel groove 8 is fixedly connected to the auxiliary pulley shaft 9, the auxiliary pulley 10 is rotated on the side of the auxiliary pulley shaft 9, the inside of the outer wall 1 of the blank furnace is fixedly connected to the furnace door support frame 6, the auxiliary pulley 10 is rotated on the surface of the inner counterweight slide groove 7, the upper part of the counterweight 3 is connected to the rewinding wheel bracket 11 The rewinding wheel bearing 12 is fixedly connected to the upper part of the rewinding wheel bracket 11 by bolts, the rewinding wheel shaft 14 is rotated inside the rewinding wheel bearing 12, the front part of the counterweight end guide bracket 17 is fixedly connected to the counterweight end bracket 4, the rear part of the counterweight end guide bracket 17 is fixedly connected to the furnace door support frame 6, the side of the counterweight end guide wheel 20 is rotated inside the counterweight end guide wheel groove 19, the lower part of the counterweight end guide bracket 17 is fixedly connected to the rewinding end wire rope 15, the inner part of the rewinding end wire rope 15 is sleeved on the lower part of the rewinding wheel 13, and the side of the rewinding wheel bracket 11 is fixedly connected to the The rewinding wheel rope blocking rod 16 is fixedly connected, the rewinding wheel rope blocking rod 16 is positioned correspondingly with the rewinding end wire rope 15, the rear part of the rewinding end wire rope 15 is sleeved on the upper part of the counterweight end guide wheel 20, the inside of the counterweight end guide bracket 17 is fixedly connected with the counterweight end rope blocking rod 18, the counterweight end rope blocking rod 18 is positioned correspondingly with the rewinding end wire rope 15, the upper part of the rope entry hole 23 is fixedly connected with the furnace door end guide bracket 21, the inside of the furnace door end guide bracket 21 is rotatably connected with the furnace door end guide wheel 22, the inside of the furnace door end wire rope 24 is sleeved on the upper part of the furnace door end guide wheel 22, and the furnace door is fixedly connected with the furnace door end guide bracket 21. The lower part of the end steel wire rope 24 is fixedly connected to the billet furnace door 25, the billet furnace door 25 is slid inside the billet furnace door guide groove 26, the inspection cover 28 is fixedly connected to the lower part of the billet furnace door 25 through the cover hinge 27, the inside of the billet furnace door 25 is connected to the insulation device 29, the upper part of the billet furnace door 25 is fixedly connected to the upper end locking shaft 30, the inside of the upper end locking shaft 30 is rotatably connected to the locking rod sleeve 31, the convex locking bar 33 is slidably connected to the inside of the locking rod 32, the locking bar nut 34 is threadedly connected to the lower part of the locking rod 32, and the convex locking bar 33 is inserted into the lock core 35.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A billet furnace door with heat preservation effect, characterized in that : comprising an outer wall of a blank furnace (1), a driving hydraulic device (2), a counterweight (3), a counterweight end bracket (4), a furnace door support frame (6), an auxiliary pulley shaft (9), an auxiliary pulley (10), a rewinding wheel bracket (11), a rewinding wheel bearing (12), a rewinding wheel (13), a rewinding end steel wire rope (15), a rewinding wheel rope stop rod (16), a counterweight end guide bracket (17), a counterweight end rope stop rod (18), a counterweight end guide wheel (20), a furnace door end guide bracket ( 21), a furnace door end guide wheel (22), a billet furnace door (25), a cover hinge (27), an inspection cover (28), a heat preservation device (29), an upper end locking shaft (30), a locking rod sleeve (31), a convex locking strip (33), and a locking strip nut (34); the lower part of the billet furnace outer wall (1) is fixedly connected to the driving hydraulic device (2); the front part of the billet furnace outer wall (1) is fixedly connected to the counterweight end bracket (4); and the counterweight end bracket (4) has a positioning outer groove (5) inside.

2. A blank furnace door with heat preservation effect according to claim 1, characterized in that The upper part of the driving hydraulic device (2) is fixedly connected to the counterweight (3), the counterweight (3) is slidably connected inside the positioning outer groove (5), the rear part of the counterweight (3) is provided with an auxiliary wheel groove (8), the inside of the auxiliary wheel groove (8) is fixedly connected to the auxiliary pulley shaft (9), the auxiliary pulley shaft (9) is adapted to the auxiliary pulley (10), the auxiliary pulley shaft (9) is connected to the auxiliary pulley (10), the auxiliary pulley (10) rotates on the side of the auxiliary pulley shaft (9), the inner part of the blank furnace outer wall (1) is fixedly connected to the furnace door support frame (6), the front part of the furnace door support frame (6) is provided with an inner counterweight slide groove (7), the auxiliary pulley (10) rotates on the surface of the inner counterweight slide groove (7), and the upper part of the counterweight (3) is fixedly connected to the rewinding wheel bracket (11).

3. A blank furnace door with heat preservation effect according to claim 2, characterized in that The rewinding wheel bearing (12) is fixedly connected to the upper part of the rewinding wheel bracket (11) by bolts, the rewinding wheel (13) has a rewinding wheel shaft rod (14) on the side, the rewinding wheel bearing (12) is adapted to the rewinding wheel shaft rod (14), the rewinding wheel bearing (12) is connected to the rewinding wheel shaft rod (14), the rewinding wheel shaft rod (14) rotates inside the rewinding wheel bearing (12), the front part of the counterweight end guide bracket (17) is fixedly connected to the counterweight end bracket (4), the rear part of the counterweight end guide bracket (17) is fixedly connected to the furnace door support bracket (6), the side part of the counterweight end guide bracket (17) has a counterweight end guide wheel groove (19), and the counterweight end guide wheel groove (19) is adapted to the counterweight end guide wheel (20).

4. A blank furnace door with heat preservation effect according to claim 3, characterized in that The counterweight end guide wheel groove (19) is connected to the counterweight end guide wheel (20), the side of the counterweight end guide wheel (20) rotates inside the counterweight end guide wheel groove (19), the lower part of the counterweight end guide bracket (17) is fixedly connected to the rewinding end steel wire rope (15), the rewinding end steel wire rope (15) is internally sleeved on the lower part of the rewinding wheel (13), the side of the rewinding wheel bracket (11) is fixedly connected to the rewinding wheel rope stop rod (16), the rewinding wheel rope stop rod (16) corresponds to the position of the rewinding end steel wire rope (15), the rear part of the rewinding end steel wire rope (15) is sleeved on the upper part of the counterweight end guide wheel (20), and the inside of the counterweight end guide bracket (17) is fixedly connected to the counterweight end rope stop rod (18).

5. A blank furnace door with heat preservation effect according to claim 4, characterized in that The counterweight end rope blocking rod (18) corresponds to the position of the rewinding end steel wire rope (15); the upper part of the furnace door support frame (6) is provided with a rope entry hole (23); the upper part of the rope entry hole (23) is fixedly connected to the furnace door end guide bracket (21); the interior of the furnace door end guide bracket (21) is rotatably connected to the furnace door end guide wheel (22); the rear part of the rewinding end steel wire rope (15) is provided with a furnace door end steel wire rope (24); the interior of the furnace door end steel wire rope (24) is sleeved on the upper part of the furnace door end guide wheel (22); the lower part of the furnace door end steel wire rope (24) is fixedly connected to the billet furnace door (25).

6. A blank furnace door with heat preservation effect according to claim 5, characterized in that The furnace door support frame (6) has a blank furnace door guide groove (26) inside, the blank furnace door guide groove (26) is adapted to the blank furnace door (25), the blank furnace door guide groove (26) is connected to the blank furnace door (25), the blank furnace door (25) slides inside the blank furnace door guide groove (26), the inspection cover plate (28) is fixedly connected to the lower part of the blank furnace door (25) through the cover plate hinge (27), the inside of the blank furnace door (25) is connected to the insulation device (29), and the upper part of the blank furnace door (25) is fixedly connected to the upper end locking shaft (30).

7. A blank furnace door with heat preservation effect according to claim 6, characterized in that The upper end lock shaft (30) is rotatably connected to the lock rod sleeve (31), the lock rod sleeve (31) has a lock rod (32) at the bottom, the convex lock bar (33) is slidably connected to the inside of the lock rod (32), the lock bar nut (34) is threadedly connected to the lower part of the lock rod (32), the upper part of the inspection cover (28) has a lock core (35), the lock core (35) is adapted to the convex lock bar (33), the lock core (35) is connected to the convex lock bar (33), and the convex lock bar (33) is inserted into the lock core (35).

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