Furnace door lifting mechanism of trolley furnace

Abstract

The utility model relates to the technical field of furnace door lifting, in particular to a trolley furnace door lifting mechanism which comprises a supporting assembly used for supporting and limiting, the supporting assembly comprises a plurality of vertical plates and rails connected with the inner side faces of the vertical plates, a top plate is arranged above the supporting assembly, and a furnace door used for blocking is arranged in the middle of the supporting assembly. A winch for providing traction power is arranged on the outer wall, close to the bottom, of one vertical plate; according to the trolley furnace door lifting mechanism, splicing combination in the vertical direction is achieved through combination of the multiple vertical plates, the fixing plates are matched with the clamping grooves between every two adjacent vertical plates in an inserted mode, and under cooperation of fastening bolts with nuts, the vertical plates are fixedly installed and matched; under the cooperation of the first rotating shaft with the single-plate limiting disc and the second rotating shaft with the double-plate limiting disc, stable guiding cooperation of traction cables in two lifting lugs on the furnace door is achieved, under the cooperation of the winch, the traction cables can be driven to move through a steel cable, and lifting and opening cooperation of the furnace door is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace door lifting, in particular to a furnace door lifting mechanism for a trolley furnace. Background Art

[0002] The trolley furnace is a national standard energy-saving periodic operation furnace with super energy-saving structure, composite fiber insulation, super light and high-strength micro-bead vacuum ball energy-saving bricks, exclusive production of anti-wire falling 20° inclined wire shelf bricks, furnace mouth anti-workpiece impact bricks, automatic sealing trolley and furnace door, integrated rail connection, no foundation installation required, can be used on the horizontal ground;

[0003] The utility model with publication number CN205482365U discloses a furnace door lifting mechanism of a trolley furnace, comprising a furnace door frame located directly above the furnace door, two sets of furnace door lifting devices fixed on the furnace door frame, two electric winches fixed on both sides of the furnace door frame, and controllers of the two electric winches, wherein the steel wire ropes of the electric winches are symmetrically connected to the furnace door through the furnace door lifting devices;

[0004] The above technical solution adopts two electric winches to lift the furnace door at the same time. When the furnace door is tilted, any electric winch can be operated separately to adjust it, so as to avoid the furnace door from getting stuck, reduce the number of shutdowns for maintenance, and greatly improve work efficiency. However, the overall combination is not convenient to install, and the use of two electric winches increases the cost. The furnace door frame is not convenient to quickly extend or shorten the height according to different heights. Utility Model Content

[0005] The purpose of the utility model is to provide a trolley furnace door lifting mechanism to solve the problem of the trolley furnace door lifting mechanism with the authorization publication number CN205482365U proposed in the above background technology, but the overall assembly installation is not convenient, and the use of two electric winches increases the cost, and the furnace door frame is not convenient for rapid height extension or shortening according to different heights.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A trolley furnace door lifting mechanism includes a support assembly for supporting and limiting, the support assembly includes a plurality of vertical plates and rails connecting the inner sides of the vertical plates, a top plate is provided above the support assembly, and a furnace door for blocking is provided in the middle of the support assembly, a winch for providing traction power is provided near the bottom on the outer wall of one of the vertical plates, slots are provided at both ends of the outer wall of the vertical plates, fixing plates are provided in the slots, a plurality of fixing holes are provided on the fixing plates, fastening bolts are provided in the fixing holes, through holes are provided in the slots corresponding to the fixing holes, a steel cable is provided on the winch, and a hook is provided on the top of the steel cable.

[0008] Preferably, the bottom of the top plate is welded and fixed to the top of the corresponding vertical plate, a first rotating shaft is symmetrically arranged in the middle of the top plate, a single-board limiting disk is sleeved on the outer wall of the first rotating shaft, and first supporting seats are arranged at both ends of the first rotating shaft.

[0009] In the utility model, the first rotating shaft with a single plate limiting disk is provided to help limit the position of the traction rope on the furnace door, and the first supporting seat cooperates to lift the first rotating shaft, which helps to stabilize the rotation and traction cooperation.

[0010] Preferably, the first rotating shaft is rotatably connected to the first supporting seat via a bearing, and the bottom of the first supporting seat is fixedly connected to the bottom of the top plate via screws.

[0011] In the utility model, the inner ring of the bearing is bonded and fixed to the first rotating shaft, and the outer ring of the bearing is bonded and fixed to the first supporting seat, thereby increasing the flexibility of the rotation of the first rotating shaft.

[0012] Preferably, a second rotating shaft is provided on the top plate near the right end, a double-plate limiting disk is provided on the second rotating shaft corresponding to the single-plate limiting disk, both ends of the second rotating shaft are connected to second support seats through bearings, and the bottom of the second support seat is fixedly connected to the top plate by screws.

[0013] In the utility model, a double-plate limiting plate is provided to guide and cooperate with the two traction rope positions passing through the single-plate limiting plate, and the bearing cooperation helps the second rotating shaft and the second supporting seat to rotate stably and flexibly.

[0014] Preferably, the bottom of the winch is fixedly connected to one of the vertical plate side walls by screws, the steel cable is wound and connected to the winding shaft of the winch, a traction rope is provided above the hook, and the traction rope passes through the double-plate limit plate and the single-plate limit plate respectively.

[0015] In the utility model, a winch is provided to help to continuously and stably wind up the steel cable, thereby reducing the construction cost. The cooperation of the hook helps to connect the bottom of the traction cable with the top of the steel cable.

[0016] Preferably, the top of the furnace door is symmetrically provided with lifting ears, the bottom of the lifting ears is welded and fixed to the top of the furnace door, and the lifting ears are wound and fixed to one end of the top of the traction rope.

[0017] In the utility model, the provision of two lifting ears is helpful for the traction rope to be wound and matched with the lifting ears, thereby realizing the movement of the traction rope to drive the furnace door to move up and down.

[0018] Preferably, slide rails are provided on both side surfaces of the furnace door at positions corresponding to the rails, and the slide rails are slidably plugged into the rails.

[0019] In the utility model, a slide rail is provided to slide with the track to achieve stable up and down movement of the furnace door and limit the position of movement of the furnace door.

[0020] Preferably, the length of the slot between two adjacent vertical plates in the vertical direction matches the length of the fixing plate, and the fastening bolts are fixed through the holes and through the holes in sequence and are threadedly connected through nuts.

[0021] In the utility model, the fixing plate is plugged into the corresponding slot, and with the fastening bolts penetrating through it, the fixing plate is stably combined with two adjacent vertical plates in the vertical direction, thereby increasing the stability of the rapid combined installation.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model realizes the splicing combination in the vertical direction by arranging a combination of multiple vertical plates, and the fixing plate is plugged into the groove between the two adjacent vertical plates, and the fixing bolts with nuts are used to realize the fixed installation of the vertical plates, and the top plate is installed in combination with the support assembly, and the first rotating shaft with a single-plate limiting disk and the second rotating shaft with a double-plate limiting disk are used to realize the stable guidance of the traction ropes in the two lifting ears on the furnace door, and with the cooperation of a winch, the construction cost is shortened and it is helpful to drive the traction rope to move by the steel cable to realize the lifting and opening of the furnace door.

[0024] 2. The utility model sets two single-plate limit plates, and the single-plate limit plates correspond to the guide grooves on the double-plate limit plates in sequence, so that the traction rope can pass through synchronously and stably, and the top of the steel cable cooperates with the hook to realize the hanging cooperation of the traction rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the furnace door lifting state of the utility model;

[0027] Figure 3 This is a schematic diagram of the support assembly structure of the utility model;

[0028] Figure 4 It is a schematic diagram of the top plate structure of the utility model;

[0029] Figure 5 It is a schematic diagram of the combined structure of the furnace door and the winch of the utility model.

[0030] The meaning of each number in the figure is:

[0031] Support assembly; 10, vertical plate; 11, track; 12, slot; 120, perforation; 13, fixing plate; 130, fixing hole; 131, fastening bolt;

[0032] Furnace door; 20, slide rail; 21, lifting lug;

[0033] Top plate; 30, first rotating shaft; 300, single plate limiting plate; 301, first supporting seat; 31, second rotating shaft; 310, double plate limiting plate; 311, second supporting seat;

[0034] winch; 40, steel cable; 400, hook; 41, traction rope. DETAILED DESCRIPTION

[0035] 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 in 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.

[0036] See also Figure 1-Figure 5 , this embodiment provides a technical solution:

[0037] A trolley furnace door lifting mechanism includes a support component 1 for supporting and limiting, the support component 1 includes a plurality of vertical plates 10 and a track 11 connected to the inner side surfaces of the vertical plates 10, a top plate 3 is provided above the support component 1, the bottom of the top plate 3 is welded and fixed to the top of the corresponding vertical plate 10, a first rotating shaft 30 is symmetrically provided in the middle of the top plate 3, a single-plate limiting disk 300 is sleeved on the outer wall of the first rotating shaft 30, and a first support seat 301 is provided at both ends of the first rotating shaft 30.

[0038] In the utility model, the first rotating shaft 30 with a single plate limiting plate 300 is provided to help limit the position of the traction rope 41 on the furnace door 2. The first supporting seat 301 cooperates to lift the first rotating shaft 30, which helps to stabilize the rotation and traction.

[0039] Furthermore, the first rotating shaft 30 is rotatably connected to the first supporting seat 301 via a bearing, and the bottom of the first supporting seat 301 is fixedly connected to the bottom of the top plate 3 via screws.

[0040] In the present invention, the inner ring of the bearing is bonded and fixed to the first rotating shaft 30 , and the outer ring of the bearing is bonded and fixed to the first supporting seat 301 , thereby increasing the flexibility of the first rotating shaft 30 in rotation.

[0041] Specifically, a second rotating shaft 31 is provided near the right end of the top plate 3, and a double-plate limiting disk 310 is provided on the second rotating shaft 31 corresponding to the single-plate limiting disk 300. Both ends of the second rotating shaft 31 are connected to second support seats 311 through bearings, and the bottom of the second support seat 311 is fixedly connected to the top plate 3 by screws.

[0042] In the present invention, a double-plate limiting plate 310 is provided to guide the positions of the two traction ropes 41 passing through the single-plate limiting plate 300, and the bearing cooperation helps the second rotating shaft 31 and the second supporting seat 311 to rotate stably and flexibly.

[0043] It should be noted that a furnace door 2 for blocking is provided in the middle of the support assembly 1, and a winch 4 for providing traction power is provided near the bottom of the outer wall of one of the vertical plates 10. The bottom of the winch 4 is fixedly connected to the side walls of one of the vertical plates 10 by screws, and the steel cable 40 is wound around the winding shaft of the winch 4. A traction rope 41 is provided above the hook 400, and the traction rope 41 passes through the double-plate limit plate 310 and the single-plate limit plate 300 respectively.

[0044] In the present invention, a winch 4 is provided to help to continuously and stably wind up the steel cable 40 , thereby reducing the construction cost. The hook 400 helps to connect the bottom of the traction cable 41 with the top of the steel cable 40 .

[0045] Furthermore, slots 12 are provided at both ends of the outer wall of the vertical plate 10, and fixing plates 13 are provided in the slots 12. Several fixing holes 130 are provided on the fixing plates 13, and fastening bolts 131 are provided in the fixing holes 130. Through holes 120 are provided in the slots 12 at positions corresponding to the fixing holes 130. A steel cable 40 is provided on the winch 4, and a hook 400 is provided on the top of the steel cable 40.

[0046] Secondly, the top of the furnace door 2 is symmetrically provided with lifting ears 21, the bottom of the lifting ears 21 is welded and fixed to the top of the furnace door 2, and the lifting ears 21 are wound and fixed to one end of the top of the traction rope 41.

[0047] In the present invention, the provision of the two lifting ears 21 is helpful for the traction rope 41 to be wound around and matched with the lifting ears 21, thereby achieving the movement of the traction rope 41 to drive the furnace door 2 to move up and down.

[0048] It is worth adding that slide rails 20 are provided on both side surfaces of the furnace door 2 at positions corresponding to the rails 11 , and the slide rails 20 are slidably plugged into the rails 11 .

[0049] In the utility model, a slide rail 20 is provided to slide with the track 11 to achieve stable up and down movement of the furnace door 2 and limit the moving position of the furnace door 2.

[0050] Specifically, the length of the slot 12 between two adjacent vertical plates 10 in the vertical direction matches the length of the fixing plate 13 , and the fastening bolts 131 sequentially fix the holes 130 and the through holes 120 and are threadedly connected through nuts.

[0051] In the present invention, the fixing plate 13 is plugged into the corresponding slot 12, and with the fastening bolts 131 penetrating through it, the fixing plate 13 and two adjacent vertical plates 10 in the vertical direction are stably assembled and matched, thereby increasing the stability of the rapid assembly installation.

[0052] When the trolley furnace door lifting mechanism of this embodiment is in use, the user first assembles and installs the corresponding vertical plates 10 according to the height of different trolley furnaces, and the ends of the two adjacent vertical plates 10 in the vertical direction are tightly fitted, and the fixing plate 13 is plugged and matched with the two slots 12, and the fastening bolts 131 pass through the corresponding fixing holes 130 and through holes 120 in sequence, and are fixed by nuts to achieve rapid and stable assembly of the vertical plates 10, and then the first rotating shaft 30 with the single-plate limiting plate 300 is assembled and installed with the top plate 3 through the first supporting seat 301, and the second rotating shaft 31 with the double-plate limiting plate 310 is assembled and installed with the top plate 3 through the second supporting seat 311, and the winch 4 with the steel cable 40 is fixed to the side of the vertical plate 10, and is engaged with the bottom of the traction cable 41 under the cooperation of the hook 400, and the double-track traction cable 41 passes through the guide grooves on the double-plate limiting plate 310 respectively, and passes through the guide grooves on the single-plate limiting plate 300 in sequence, and the top of the traction cable 41 is wound and fixed with the corresponding lifting ears 21 in sequence;

[0053] When it is necessary to adjust the lifting position of the furnace door 2, the winch 4 is manually powered on, and the winding roller of the winch 4 is controlled to rotate to realize the winding of the steel cable 40, thereby driving the traction cable 41 to descend, and the double-plate limit plate 310 and the single-plate limit plate 300 continue to rotate to realize the up and down movement of the furnace door 2. With the cooperation of the slide rail 20 and the track 11, the furnace door 2 can move stably. The overall combination is easy to install and has a low construction cost, which helps to stabilize the opening or closing operation of the furnace door 2.

Claims

1. A trolley furnace door lifting mechanism, comprising a support assembly (1) for supporting and limiting, the support assembly (1) comprising a plurality of vertical plates (10) and rails (11) connected to the inner side surfaces of the vertical plates (10), a top plate (3) being provided above the support assembly (1), a furnace door (2) for blocking being provided in the middle of the support assembly (1), a winch (4) for providing traction power being provided on the outer wall of one of the vertical plates (10) near the bottom, characterized in that: The vertical plate (10) has a slot (12) at both ends of its outer wall, a fixing plate (13) is provided in each of the slots (12), a plurality of fixing holes (130) are provided on each of the fixing plates (13), a fastening bolt (131) is provided in each of the fixing holes (130), a through hole (120) is provided in each of the slots (12) at a position corresponding to the fixing holes (130), a steel cable (40) is provided on the winch (4), and a hook (400) is provided at the top of the steel cable (40).

2. The trolley furnace door lifting mechanism according to claim 1 is characterized in that: The bottom of the top plate (3) is welded and fixed to the top of the corresponding vertical plate (10); a first rotating shaft (30) is symmetrically arranged in the middle of the top plate (3); a single plate limiting disk (300) is sleeved on the outer wall of the first rotating shaft (30); and first supporting seats (301) are arranged at both ends of the first rotating shaft (30).

3. The trolley furnace door lifting mechanism according to claim 2 is characterized in that: The first rotating shaft (30) is rotatably connected to the first support seat (301) via a bearing, and the bottom of the first support seat (301) is fixedly connected to the bottom of the top plate (3) via screws.

4. The trolley furnace door lifting mechanism according to claim 3 is characterized in that: A second rotating shaft (31) is provided on the top plate (3) near the right end, and a double-plate limiting disk (310) is provided on the second rotating shaft (31) at a position corresponding to the single-plate limiting disk (300), and both ends of the second rotating shaft (31) are connected to second support seats (311) via bearings, and the bottom of the second support seat (311) is fixedly connected to the top plate (3) via screws.

5. The trolley furnace door lifting mechanism according to claim 4, characterized in that: The bottom of the winch (4) is fixedly connected to the side wall of one of the vertical plates (10) by means of screws, the steel cable (40) is wound around and connected to the winding shaft of the winch (4), a traction cable (41) is provided above the hook (400), and the traction cable (41) passes through the double-plate limit plate (310) and the single-plate limit plate (300) respectively.

6. The trolley furnace door lifting mechanism according to claim 1, characterized in that: The top of the furnace door (2) is symmetrically provided with lifting ears (21), the bottom of the lifting ears (21) is welded and fixed to the top of the furnace door (2), and the lifting ears (21) are wound and fixed to one end of the top of the traction rope (41).

7. The trolley furnace door lifting mechanism according to claim 1, characterized in that: Slide rails (20) are provided on both side surfaces of the furnace door (2) at locations corresponding to the rails (11), and the slide rails (20) are slidably plugged into the rails (11).

8. The trolley furnace door lifting mechanism according to claim 1, characterized in that: The length of the slot (12) between two adjacent vertical plates (10) in the vertical direction matches the length of the fixing plate (13), and the fastening bolt (131) is sequentially fixed to the fixing hole (130) and the through hole (120) and is threadedly connected via a nut.

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