Special tilting and winding trolley for steel mill

Abstract

The utility model relates to the technical field of cranes, in particular to a special tilting and winding trolley for a steel mill, which comprises a trolley body, the trolley body is provided with a lifting mechanism, the lifting mechanism comprises a steel wire rope, a winding drum component for winding and unwinding the steel wire rope and a fixing part for fixing the outer end of the steel wire rope, and a lifting hook is arranged at the bottom of the steel wire rope. A movable pulley connected with the steel wire rope is arranged at the top of the lifting hook, a hook body extending outwards is arranged at the lower end of one side of the lifting hook, and a protruding part used for abutting against the hot-metal bottle is arranged at the position, located above the hook body, of the side of the lifting hook. Due to the arrangement of the protruding part in the lifting hook, the protruding part can abut against the hot-metal bottle before the hook body hooks a lifting lug on the lower portion of the hot-metal bottle and when the hook body hooks the lifting lug on the lower portion of the hot-metal bottle, and the movable pulley is prevented from being too close to the hot-metal bottle, so that a steel wire rope is prevented from making contact with the upper edge of the hot-metal bottle; the technical problem that in the prior art, a steel wire rope makes contact with the upper edge of the molten iron tank easily is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a special tipping winch trolley for steel plants. Background Art

[0002] The molten iron ladle tilting winch trolley is designed specifically for tilting molten iron ladle. It safely and stably tilts the ladle to provide sufficient molten iron for iron casting. When the locomotive transports the molten iron ladle to the front support next to the iron casting machine via the railway and aligns it, the hook of the molten iron ladle tilting winch trolley lifts the lower lug of the ladle. The hook continuously lifts the molten iron ladle, causing it to tilt along one of its support shafts. After tilting to a certain angle, the two claws of the molten iron ladle rest on the support of the front support, and the molten iron ladle leaves the frame. The molten iron ladle then tilts from the center of the support point of the front support. The lifting of the hook causes the molten iron in the ladle to continuously flow out, achieving the purpose of pouring molten iron.

[0003] However, before the existing winch trolley tips the molten iron ladle, the wire rope is prone to contact with the upper edge of the ladle. Since the temperature of the molten iron in the ladle is very high, the contact between the wire rope and the upper edge of the ladle will affect the service life of the wire rope.

[0004] For this purpose, we have designed a special tipping winch trolley for steel mills. Utility Model Content

[0005] In order to overcome the deficiencies in the background technology, the utility model discloses a special tilting winch trolley for steel mills.

[0006] In order to achieve the above-mentioned purpose of the invention, the present invention adopts the following technical solutions:

[0007] A special tilting hoist trolley for steel mills includes a trolley body, the trolley body is provided with a lifting mechanism, the lifting mechanism includes a wire rope, a drum assembly for reeling in and out the wire rope, and a fixing part for fixing the outer end of the wire rope, a hook is provided at the bottom of the wire rope, a movable pulley connected to the wire rope is provided at the top of the hook, a hook body extending outward is provided at the lower end of one side of the hook, and a protrusion for contacting the molten iron ladle is provided at the position above the hook body.

[0008] Preferably, the raised portion is equipped with an interference roller.

[0009] Preferably, a leveling weight is provided at the bottom of the hook on a side facing away from the hook body.

[0010] Preferably, the reel assembly includes a double reel and a driving device provided on the trolley body, the driving device is connected to one end of the double reel through a reducer, and the other end of the double reel is provided with a safety brake.

[0011] Preferably, the fixing member is a balance beam rotatably connected to the trolley body at the middle portion, and the two outer ends of the steel wire rope are respectively fixed to the two ends of the fixing member.

[0012] Preferably, a fixed pulley is provided at the bottom of the trolley body.

[0013] Preferably, the trolley body includes a trolley frame, one end of the trolley frame is provided with a trolley running mechanism, and passive running wheels are provided on both sides of the other end of the trolley frame.

[0014] Preferably, the trolley running mechanism includes a reducer with output shafts on both sides, and the output shafts of the reducer are connected to active running wheels through transmission shafts;

[0015] The trolley running mechanism also includes a driving motor connected to the reducer.

[0016] Preferably, the trolley running mechanism further comprises an additional reducer whose output shaft is correspondingly connected to the reducer input shaft, and the additional reducer input shaft is drivingly connected to the output shaft of the drive motor.

[0017] Preferably, buffers are provided at both ends of the trolley body.

[0018] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

[0019] 1. The protrusion in the hook can abut against the molten iron ladle before and when the hook body hooks the lifting lug at the bottom of the molten iron ladle, thereby preventing the movable pulley from getting too close to the molten iron ladle and causing the wire rope to contact the upper edge of the molten iron ladle. This solves the technical problem of the wire rope easily contacting the upper edge of the molten iron ladle in the prior art.

[0020] 2. The setting of adding a reducer increases the speed ratio compared with only one reducer, so it can better control the speed of the trolley body, and can effectively prevent the molten iron tank from tipping over too quickly and overflowing due to the trolley body moving too fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is the main view of the utility model;

[0022] Figure 2 It is a top view of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the small vehicle running mechanism of the utility model;

[0024] Figure 4 Schematic diagram of winding of the steel wire rope in the present invention;

[0025] Figure 5This is the main view of the utility model in use posture.

[0026] In the figure: 1. trolley body; 11. trolley frame; 12. trolley running mechanism; 121. reducer; 122. transmission shaft; 123. active running wheel; 124. driving motor; 125. additional reducer; 13. passive running wheel; 2. fixed pulley; 3. lifting mechanism; 31. wire rope; 32. drum assembly; 321. double drum; 322. driving device; 323. reducer; 324. safety brake; 33. fixing piece; 34. hook; 341. movable pulley; 342. hook body; 343. protrusion; 344. contact roller; 345. leveling counterweight; 4. buffer. DETAILED DESCRIPTION

[0027] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right" and so on to indicate directions or positional relationships, they only correspond to the drawings of the present application and are for the convenience of describing the present invention; it should be understood that if there are terms such as "end", "side", "end part", "lateral", "transverse", "longitudinal" and so on to indicate directions or positional relationships, they only correspond to the length and width of the corresponding parts, that is, "end part" indicates the head and tail area of ​​the corresponding part in the length direction, and "side part" indicates the head and tail area of ​​the corresponding part in the width direction; this is for the convenience of describing the present invention and does not indicate or imply that the device or element referred to must have a specific direction.

[0028] Example 1, combined with the attached Figure 1-5 A steel mill dedicated tipping winch trolley comprises a trolley body 1, the trolley body 1 is provided with a lifting mechanism 3, the lifting mechanism 3 comprises a steel wire rope 31, a drum assembly 32 for reeling in and out the steel wire rope 31, and a fixing member 33 for fixing the outer end of the steel wire rope 31; as needed, a fixed pulley 2 is provided at the bottom of the trolley body 1;

[0029] Furthermore, the trolley body 1 includes a trolley frame 11 , a trolley running mechanism 12 is provided at one end of the trolley frame 11 , and passive running wheels 13 are provided on both sides of the other end of the trolley frame 11 .

[0030] As needed, buffers 4 are provided at both ends of the trolley frame 11 .

[0031] As needed, the trolley running mechanism 12 includes a reducer 121 with output shafts on both sides, and the output shaft of the reducer 121 is connected to the active running wheel 123 through the transmission shaft 122;

[0032] The trolley running mechanism 12 further includes a driving motor 124 drivingly connected to the reducer 121 .

[0033] As needed, the reel assembly 32 includes a double reel 321 and a driving device 322 provided on the trolley body 1. The driving device 322 is driven and connected to one end of the double reel 321 through a reducer 323. The other end of the double reel 321 has a safety brake 324.

[0034] As needed, a rotation limit device can also be provided at one end of the double drum 321 corresponding to the safety brake 324, that is, the rotation limit device is used to limit the number of rotations of the double drum 321, thereby achieving the upper limit position and the lower limit position of the hook 34, preventing the hook 34 from hitting the top and landing.

[0035] A hook 34 is provided at the bottom of the wire rope 31, and a movable pulley 341 connected to the wire rope 31 is provided at the top of the hook 34. A hook body 342 extending outward is provided at the lower end of one side of the hook 34, and a protrusion 343 for contacting the molten iron tank is provided at the position above the hook body 342 on this side of the hook 34; that is, before and when the hook body 342 hooks the lifting lug at the lower part of the molten iron tank, it can contact the molten iron tank through the protrusion 343, preventing the movable pulley 341 from being too close to the molten iron tank, causing the wire rope 31 to contact the upper edge of the molten iron tank, thereby solving the technical problem of the wire rope easily contacting the upper edge of the molten iron tank in the prior art.

[0036] Furthermore, in order to reduce the friction between the protrusion 343 and the molten iron ladle, the protrusion 343 is equipped with a contact roller 344. Preferably, the contact roller 344 is a steel wheel.

[0037] Furthermore, in order to increase the horizontal distance between the hook body 342 and the axle of the movable pulley 341 , a leveling weight 345 is provided at the bottom of the hook 34 on the side facing away from the hook body 342 .

[0038] Furthermore, a waist-shaped groove is provided along the width direction of the hook 34 on one side away from the hook body 342, and the leveling weight 345 is fixed by a bolt passing through the waist-shaped groove, thereby effectively increasing the horizontal distance between the hook body 342 and the axle of the movable pulley 341, and also ensuring the posture of the entire hook 34 when it is unloaded.

[0039] Example 2, combined with the attached Figure 4 A special tilting winch trolley for steel mills, based on the first embodiment, the fixing part 33 is a balance beam rotatably connected to the trolley body 1 in the middle, and the two outer ends of the wire rope 31 are respectively fixed to the two ends of the fixing part 33; that is, the tilt of the hook 34 caused by the fitting tolerance between the wire rope 31 and the double drum 321 can be compensated by the swing of the balance beam.

[0040] Example 3, combined with the attached Figure 3A steel mill-specific tipping winch trolley, based on the first or second embodiment, further comprises a trolley operating mechanism 12 further comprising a reducer 125 whose output shaft is correspondingly connected to the input shaft of the reducer 121. The input shaft of the reducer 125 is drivingly connected to the output shaft of the drive motor 124. The addition of the reducer 125 increases the speed ratio compared to a single reducer 121, thereby better controlling the travel speed of the trolley 1 and effectively preventing the molten iron ladle from tipping over too quickly due to the trolley 1 traveling too fast, thus preventing the molten iron from overflowing.

[0041] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A special tilting winch trolley for a steel plant, comprising a trolley body (1), the trolley body (1) being provided with a lifting mechanism (3), the lifting mechanism (3) comprising a steel wire rope (31), a drum assembly (32) for reeling in and unreeling the steel wire rope (31), and a fixing member (33) for fixing the outer end of the steel wire rope (31), a hook (34) being provided at the bottom of the steel wire rope (31), and characterized in that: A movable pulley (341) connected to the wire rope (31) is provided at the top of the hook (34), a hook body (342) extending outward is provided at the lower end of one side of the hook (34), and a protrusion (343) for contacting the molten iron ladle is provided above the hook body (342).

2. The steel plant dedicated tipping winch trolley according to claim 1, characterized in that: The raised portion (343) is equipped with a resisting roller (344).

3. The steel plant dedicated tipping winch trolley according to claim 1, characterized in that: A leveling weight (345) is provided at the bottom of one side of the hook (34) facing away from the hook body (342).

4. The steel mill dedicated tipping winch trolley according to claim 1, characterized in that: The reel assembly (32) comprises a double reel (321) and a driving device (322) provided on the trolley body (1). The driving device (322) is drivingly connected to one end of the double reel (321) via a speed reducer (323). The other end of the double reel (321) is provided with a safety brake (324).

5. The steel mill dedicated tipping winch trolley according to claim 4, characterized in that: The fixing member (33) is a balance beam rotatably connected to the trolley body (1) at its middle portion, and the two outer ends of the steel wire rope (31) are respectively fixed to the two ends of the fixing member (33).

6. The steel mill dedicated tipping winch trolley according to claim 1, characterized in that: A fixed pulley (2) is provided at the bottom of the trolley body (1).

7. The steel mill dedicated tipping winch trolley according to claim 1, characterized in that: The trolley body (1) comprises a trolley frame (11), one end of the trolley frame (11) is provided with a trolley running mechanism (12), and the other end of the trolley frame (11) is provided with passive running wheels (13) on both sides.

8. The steel mill dedicated tipping winch trolley according to claim 7, characterized in that: The trolley running mechanism (12) includes a reducer (121) having output shafts on both sides, and the output shaft of the reducer (121) is connected to an active running wheel (123) via a transmission shaft (122); The trolley running mechanism (12) further includes a driving motor (124) drivingly connected to the reducer (121).

9. The steel mill dedicated tipping winch trolley according to claim 8, characterized in that: The trolley running mechanism (12) further comprises an additional reducer (125) whose output shaft is correspondingly connected to the input shaft of the reducer (121), and the input shaft of the additional reducer (125) is drivingly connected to the output shaft of the drive motor (124).

10. The steel plant dedicated tipping winch trolley according to claim 1, characterized in that: Buffers (4) are provided at both ends of the trolley body (1).

Images