Adjustable lifting appliance for continuous casting crown block

Abstract

The utility model discloses an adjustable lifting appliance for a continuous casting crown block, which belongs to the technical field of lifting appliances and comprises a top plate, a left clamping plate and a right clamping plate are arranged on the bottom surface of the top plate, and a driving mechanism for driving the left clamping plate and the right clamping plate to be close to each other or far away from each other is arranged above the left clamping plate and the right clamping plate. A rotating mechanism is arranged on the top face of the top plate, a top hanging bracket is arranged above the rotating mechanism, and pulleys are arranged at the four corners of the top face of the top hanging bracket and connected with a crown block through steel wire ropes. The driving mechanism is used for controlling the left clamping plate and the right clamping plate to clamp a continuous casting billet, the clamping force between the left clamping plate and the right clamping plate is large, and the phenomenon that the continuous casting billet slides off is avoided; manual operation is not needed, the labor intensity of workers is reduced, the working efficiency is improved, the workers can be prevented from making contact with high-temperature blanks, scalding is avoided, and the safety is improved; and the continuous casting billet is rotated to a proper position through the rotating mechanism, so that the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to an adjustable sling for a continuous casting crane. Background Art

[0002] In the processing workshop of continuous casting billets, a continuous casting crane is needed to lift the continuous casting billets. The continuous casting billets are products obtained by casting the molten steel produced in the steelmaking furnace through the continuous casting machine. The continuous casting crane needs to cooperate with the lifting equipment to lift the continuous casting billets. When lifting the existing continuous casting billets, generally a steel wire rope is extended to the bottom of the continuous casting billet, and the continuous casting billet is covered with the steel wire rope, and then lifted with a hook; this lifting method requires manual wrapping of the steel wire rope on the continuous casting billet, which has low work efficiency. If the temperature of the continuous casting billet is high, it may also scald the staff. In addition, the continuous casting billet may sometimes slip during the lifting process, posing a safety hazard. Utility Model Content

[0003] The utility model aims to provide an adjustable lifting device for a continuous casting overhead crane, which solves the problem that the existing lifting method requires manual operation to put a wire rope on the continuous casting billet, has low work efficiency, and may scald the staff if the temperature of the continuous casting billet is high. In addition, the continuous casting billet may sometimes slip during the lifting process, posing a safety hazard.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses an adjustable hanger for a continuous casting overhead crane, comprising a top plate, a left clamping plate and a right clamping plate are arranged on the bottom surface of the top plate, a driving mechanism for driving the left clamping plate and the right clamping plate to move closer to or away from each other is arranged above the left clamping plate and the right clamping plate, a rotating mechanism is arranged on the top surface of the top plate, a top hanger is arranged above the rotating mechanism, pulleys are arranged at the four corners of the top surface of the top hanger, and the pulley is connected to the overhead crane through a steel wire rope.

[0006] Furthermore, the driving mechanism includes a first motor, which is installed on the top surface of the top plate, a first gear is installed on the output shaft of the first motor, a second gear is installed on the bottom surface of the top plate, and the first gear and the second gear are connected by a first rack transmission; a third gear is provided on the rear side of the second gear, the third gear and the second gear are arranged coaxially, a fourth gear is installed on the bottom surface of the top plate near the right end, and the third gear and the fourth gear are connected by a second rack transmission; the left clamping plate and the right clamping plate are respectively connected to the second rack by a first connecting mechanism and a second connecting mechanism.

[0007] Furthermore, the first connecting mechanism includes a first slide rail, a first mounting bar and a second mounting bar are provided on the bottom surface of the top plate near the front and rear sides, the first slide rail is provided on the bottom surface of the first mounting bar, a first slider is provided on the first slide rail, a first left connecting plate is provided on the bottom surface of the first slider, a left fixed seat is provided on the left side of the first left connecting plate, the left clamping plate is provided on the left fixed seat, the rear side of the left fixed seat is connected to the second left connecting plate through the left supporting plate, the rear side of the second left connecting plate is provided with a fourth slider, the front side surface of the second mounting bar is provided with a fourth slide rail matching the fourth slider, the front side of the second left connecting plate is provided with a first connecting seat, and the first connecting seat is fixedly connected to the second rack.

[0008] Furthermore, the second connecting mechanism includes a third slide rail, the third slide rail is arranged on the bottom surface of the second mounting strip, the second slider is arranged on the third slide rail, the bottom surface of the second slider is provided with a first right connecting plate, the right side of the first right connecting plate is provided with a right fixed seat, the right clamping plate is provided on the right fixed seat, the front side of the right fixed seat is connected to the second right connecting plate through the right supporting plate, the front side of the second right connecting plate is provided with the third slide rail, the rear side of the first mounting strip is provided with a second slide rail matching the third slider, the rear side of the second right connecting plate is provided with a second connecting seat, and the second connecting seat is fixedly connected to the second rack.

[0009] Furthermore, the rotating mechanism includes a second motor, which is installed on the top surface of the top plate, and the output shaft of the second motor is connected to a driving wheel. An installation box is provided on the left side of the second motor, and a rotating shaft is provided in the installation box. A turbine is provided in the middle of the rotating shaft, and a worm is meshingly connected to the left side of the turbine. The end of the worm extends to the front side of the installation box and is connected to the driven wheel. The driving wheel and the driven wheel are connected by a synchronous belt drive, and the top end of the rotating shaft is connected to a rotating seat, and the top surface of the rotating seat is connected to the top hanger.

[0010] Compared with the prior art, the beneficial technical effects of the utility model are:

[0011] The utility model utilizes a driving mechanism to control the left clamping plate and the right clamping plate to move closer to or farther away from each other, so that the spacing between the left clamping plate and the right clamping plate matches the size of the continuous casting billet. The hoist can be used to lift continuous casting billets of different sizes, and has a wide range of uses, simple and convenient operation, and strong practicality. The driving mechanism is used to control the left and right clamping plates to clamp the continuous casting billet, and the clamping force between the left and right clamping plates is large, and the continuous casting billet will not slip. There is no need for manual operation, which reduces the labor intensity of the staff, improves work efficiency, and can also prevent the staff from contacting with high-temperature billets, avoid scalding, and improve safety. The continuous casting billet is rotated to a suitable position by the rotating mechanism, which increases practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model will be further described below in conjunction with the accompanying drawings.

[0013] Figure 1 This is a front view of the adjustable hanger for the continuous casting crane of the utility model;

[0014] Figure 2 It is a top view of the adjustable hanger for the continuous casting crane of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the driving mechanism of the utility model;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the driving mechanism of the utility model from another angle;

[0017] Figure 5 It is a top view of the internal structure of the installation box of the utility model.

[0018] Description of the accompanying drawings: 1, top plate; 2, first mounting bar; 3, second mounting bar; 4, first slider; 5, first left connecting plate; 6, left fixed seat; 7, left clamping plate; 8, left support plate; 9, second left connecting plate; 10, first connecting seat; 11, second slider; 12, first right connecting plate; 13, right fixed seat; 14, right clamping plate; 15, right support plate; 16, second right connecting plate; 17, second connecting seat; 18, first motor; 19, first gear; 20, first Rack; 21. second gear; 22. third gear; 23. fourth gear; 24. second rack; 25. first slide rail; 26. second slide rail; 27. third slide rail; 28. fourth slide rail; 29. ​​third slider; 30. fourth slider; 31. second motor; 32. driving wheel; 33. driven wheel; 34. synchronous belt; 35. worm; 36. turbine; 37. rotating shaft; 38. rotating seat; 39. top hanger; 40. pulley; 41. wire rope; 42. installation box. DETAILED DESCRIPTION

[0019] like Figure 1-5As shown, an adjustable hanger for a continuous casting crane comprises a top plate 1, a left clamping plate 7 and a right clamping plate 14 are arranged on the bottom surface of the top plate 1, a driving mechanism for driving the left clamping plate 7 and the right clamping plate 14 to move closer to or away from each other is arranged above the left clamping plate 7 and the right clamping plate 14, a rotating mechanism is installed on the top surface of the top plate 1, a top hanger 39 is installed above the rotating mechanism, pulleys 40 are installed at the four corners of the top surface of the top hanger 39, and the pulley 40 is connected to the crane through a wire rope 41.

[0020] like Figure 3 , 4 As shown, the driving mechanism includes a first motor 18, the first motor 18 is installed on the top surface of the top plate 1, a first gear 19 is installed on the output shaft of the first motor 18, a second gear 21 is installed on the bottom surface of the top plate 1, the first gear 19 and the second gear 21 are connected by a first rack 20; a third gear 22 is arranged at the rear side of the second gear 21, the third gear 22 and the second gear 21 are coaxially arranged, and a support is installed at the bottom surface of the top plate 1 at the corresponding positions of the second gear 21 and the third gear 22. The center axes of the second gear 21 and the third gear 22 are rotatably connected to the support frame through bearings, a fourth gear 23 is installed on the bottom surface of the top plate 1 near the right end, a support frame is installed on the bottom surface of the top plate 1 at a position corresponding to the fourth gear 23, the center axis of the fourth gear 23 is rotatably connected to the support frame through bearings, the third gear 22 and the fourth gear 23 are transmission-connected through the second rack 24; the left clamping plate 7 and the right clamping plate 14 are respectively connected to the second rack 24 through the first connecting mechanism and the second connecting mechanism.

[0021] When in use, the first motor 18 is started, the first motor 18 drives the first gear 19 to rotate, the first gear 19 drives the second gear 21 to rotate through the first rack 20, the second gear 21 drives the third gear 22 to rotate synchronously when rotating, and the third gear 22 drives the fourth gear 23 to rotate through the second rack 24.

[0022] The first connecting mechanism includes a first slide rail 25, and a first mounting bar 2 and a second mounting bar 3 are installed on the bottom surface of the top plate 1 near the front and rear sides. The first slide rail 25 is connected to the bottom surface of the first mounting bar 2, and a first slider 4 is slidably connected to the first slide rail 25. The bottom surface of the first slider 4 is provided with a first left connecting plate 5, and the left side of the first left connecting plate 5 is connected to a left fixed seat 6. The left clamping plate 7 is connected to the left fixed seat 6, and the rear side of the left fixed seat 6 is connected to the second left connecting plate 9 through a left supporting plate 8. The rear side of the second left connecting plate 9 is connected to a fourth slider 30, and a fourth slide rail 28 matching the fourth slider 30 is installed on the front side surface of the second mounting bar 3, and the front side of the second left connecting plate 9 is connected to the first connecting seat 10, and the first connecting seat 10 is fixedly connected to the second rack 24.

[0023] The second connecting mechanism includes a third slide rail 27, which is installed on the bottom surface of the second mounting bar 3, and the second slider 11 is slidably connected to the third slide rail 27, and the bottom surface of the second slider 11 is connected to the first right connecting plate 12, and the right side of the first right connecting plate 12 is connected to the right fixed seat 13, and the right clamping plate 14 is arranged and connected to the right fixed seat 13, and the front side of the right fixed seat 13 is connected to the second right connecting plate 16 through the right supporting plate 15, and the front side of the second right connecting plate 16 is connected to the third slide block 29, and the rear side of the first mounting bar 2 is installed with a second slide rail 26 matching the third slider 29, and the rear side of the second right connecting plate 16 is connected to the second connecting seat 17, and the second connecting seat 17 is fixedly connected to the second rack 24.

[0024] Specifically, Figure 3 As shown, the second rack 24 is an annular structure, the second connecting seat 17 is connected to the second rack 24 of the upper layer, and the first connecting seat 10 is connected to the second rack 24 of the lower layer.

[0025] When in use, when the first motor 18 rotates forward and the third gear 22 rotates forward, the second rack 24 of the lower layer moves to the right, and the second rack 24 of the upper layer moves to the left. At this time, the first connecting seat 10 moves to the right, the second connecting seat 17 moves to the left, and the left clamping plate 7 and the right clamping plate 14 approach each other; when the first motor 18 rotates reversely, the third gear 22 rotates reversely, the second rack 24 of the lower layer moves to the left, and the second rack 24 of the upper layer moves to the right. At this time, the first connecting seat 10 moves to the left, the second connecting seat 17 moves to the right, and the left clamping plate 7 and the right clamping plate 14 move away from each other; this embodiment can control the left clamping plate 7 and the right clamping plate 14 to approach or move away from each other by controlling the rotation direction of the first motor 18, so that the spacing between the left clamping plate 7 and the right clamping plate 14 matches the size of the continuous casting billet, and the sling can be used to lift continuous casting billets of different sizes, with a wide range of use, simple and convenient operation, and strong practicality.

[0026] like Figure 1 , 5 As shown, the rotating mechanism includes a second motor 31, which is installed on the top surface of the top plate 1, and the output shaft of the second motor 31 is connected to a driving wheel 32. An installation box 42 is provided on the left side of the second motor 31, and the installation box 42 is installed on the top surface of the top plate 1. A rotating shaft 37 is rotatably connected in the installation box 42, a turbine 36 is installed in the middle of the rotating shaft 37, and a worm 35 is meshed and connected to the left side of the turbine 36. The worm 35 is rotatably connected to the side wall of the installation box 42, and the end of the worm 35 extends to the front side of the installation box 42 and is connected to the driven wheel 33. The driving wheel 32 and the driven wheel 33 are connected by a synchronous belt 34. The top end of the rotating shaft 37 is connected to a rotating seat 38, and the top surface of the rotating seat 38 is connected to the top hanger 39.

[0027] When in use, start the second motor 31, the second motor 31 drives the driving wheel 32 to rotate, the driving wheel 32 drives the driven wheel 33 to rotate through the synchronous belt 34, the driven wheel 33 drives the worm 35 to rotate synchronously, the rotation of the worm 35 drives the turbine 36 to rotate, the rotation of the turbine 36 drives the rotating shaft 37 to rotate, the rotating shaft 37 drives the rotating seat 38 to rotate, and the rotating seat 38 drives the top hanger 39 to rotate; after lifting the continuous casting billet, the rotating mechanism can be used to rotate the continuous casting billet to a suitable position without manual rotation, which reduces the labor intensity of the staff, avoids the staff from contacting with high-temperature billets, avoids burns, and improves safety.

[0028] The use process of the utility model is as follows:

[0029] First, the lifting trolley on the overhead crane drives the hoist to move above the continuous casting billet, and the lifting trolley uses the wire rope 41 to lower the hoist to the position of the continuous casting billet, and uses the driving mechanism to drive the left clamping plate 7 and the right clamping plate 14 to approach each other to clamp the continuous casting billet, and then, the overhead crane drives the hoist and the continuous casting billet to move to the working position, and then, uses the rotating mechanism to rotate the continuous casting billet to a suitable position, and then, uses the driving mechanism to drive the left clamping plate 7 and the right clamping plate 14 away from each other to release the continuous casting billet, thereby completing the lifting and transportation of the continuous casting billet.

[0030] The above-mentioned overhead crane and the lifting trolley thereon are prior art and will not be described in detail here.

[0031] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An adjustable hanger for a continuous casting crane, characterized in that: The invention comprises a top plate (1), the bottom surface of the top plate (1) is provided with a left clamping plate (7) and a right clamping plate (14), a driving mechanism for driving the left clamping plate (7) and the right clamping plate (14) to move closer to or away from each other is provided above the left clamping plate (7) and the right clamping plate (14), a rotating mechanism is provided on the top surface of the top plate (1), a top hanger (39) is provided above the rotating mechanism, pulleys (40) are provided at the four corners of the top surface of the top hanger (39), and the pulleys (40) are connected to the overhead travelling crane via steel wire ropes (41).

2. The adjustable hanger for continuous casting overhead crane according to claim 1, characterized in that: The driving mechanism comprises a first motor (18), the first motor (18) being mounted on the top surface of the top plate (1), a first gear (19) being mounted on the output shaft of the first motor (18), a second gear (21) being mounted on the bottom surface of the top plate (1), the first gear (19) and the second gear (21) being connected in transmission via a first rack (20); a third gear (22) being arranged at the rear side of the second gear (21), the third gear (22) and the second gear (21) being arranged coaxially, a fourth gear (23) being mounted on the bottom surface of the top plate (1) near the right end, the third gear (22) and the fourth gear (23) being connected in transmission via a second rack (24); the left clamping plate (7) and the right clamping plate (14) being connected to the second rack (24) via a first connecting mechanism and a second connecting mechanism, respectively.

3. The adjustable hanger for continuous casting crane according to claim 2, characterized in that: The first connecting mechanism comprises a first slide rail (25), a first mounting strip (2) and a second mounting strip (3) are arranged on the bottom surface of the top plate (1) near the front and rear sides, the first slide rail (25) is arranged on the bottom surface of the first mounting strip (2), a first slider (4) is arranged on the first slide rail (25), a first left connecting plate (5) is arranged on the bottom surface of the first slider (4), a left fixed seat (6) is arranged on the left side of the first left connecting plate (5), the left clamping plate (7) is arranged on the left fixed seat (6), the rear side of the left fixed seat (6) is connected to the second left connecting plate (9) through the left supporting plate (8), a fourth slider (30) is arranged on the rear side of the second left connecting plate (9), a fourth slide rail (28) matching the fourth slider (30) is arranged on the front side of the second mounting strip (3), a first connecting seat (10) is arranged on the front side of the second left connecting plate (9), and the first connecting seat (10) is fixedly connected to the second rack (24).

4. The adjustable hanger for continuous casting overhead crane according to claim 3, characterized in that: The second connecting mechanism comprises a third slide rail (27), the third slide rail (27) is arranged on the bottom surface of the second mounting strip (3), a second slider (11) is arranged on the third slide rail (27), a first right connecting plate (12) is arranged on the bottom surface of the second slider (11), a right fixing seat (13) is arranged on the right side of the first right connecting plate (12), the right clamping plate (14) is arranged on the right fixing seat (13), the front side of the right fixing seat (13) is connected to the second right connecting plate (16) through the right supporting plate (15), the front side of the second right connecting plate (16) is provided with a third slide rail (29), the rear side of the first mounting strip (2) is provided with a second slide rail (26) matching the third slider (29), the rear side of the second right connecting plate (16) is provided with a second connecting seat (17), and the second connecting seat (17) is fixedly connected to the second rack (24).

5. The adjustable hanger for continuous casting overhead crane according to claim 1, characterized in that: The rotating mechanism comprises a second motor (31), the second motor (31) is mounted on the top surface of the top plate (1), the output shaft of the second motor (31) is connected to a driving wheel (32), a mounting box (42) is arranged on the left side of the second motor (31), a rotating shaft (37) is arranged in the mounting box (42), a turbine (36) is arranged in the middle of the rotating shaft (37), a worm (35) is meshedly connected to the left side of the turbine (36), the end of the worm (35) extends to the front side of the mounting box (42) and is connected to the driven wheel (33), the driving wheel (32) and the driven wheel (33) are connected by a synchronous belt (34), the top end of the rotating shaft (37) is connected to a rotating seat (38), and the top surface of the rotating seat (38) is connected to the top hanger (39).

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