Steel lifting device
By designing the steel lifting device of synchronous shaft and guide rail unit, the safety hazards and guide rail seat wear caused by sliding and rolling during the lifting of the casting billet in steel metallurgy are solved, and the smooth lifting and placement of the casting billet is achieved, reducing safety hazards and Maintenance cost extends the service life of the rail seat.
Patent Information
- Application Number
- CN202420278872.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-05
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-02-05
AI Technical Summary
During the steel metallurgy process, the steel lifting machine easily causes the casting billet to slide and roll when lifting the casting billet, causing safety hazards and accelerating the wear of the guide rail seat, increasing maintenance costs.
Design a steel lifting device, including a synchronous shaft, a steel lifting unit, a guide rail unit and a driving unit, drive the steel lifting unit to lift the casting billet smoothly, and let the guide rail fall back in the limit position, and place the casting billet On the guide rail, avoid contact and slide to ensure that the guide rail seat is not worn.
The smooth lifting and placement of the casting billet is achieved, which avoids the falling of the casting billet and the wear of the guide rail seat, reduces safety hazards and maintenance costs, and extends the service life of the guide rail seat.
Smart Images
Figure CN222326653U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of iron and steel metallurgical equipment, in particular to a steel lifting device. Background Art
[0002] In the field of iron and steel metallurgy, after the molten steel is cast and formed, the formed ingot is generally transported to the steel lifting machine position by a roller conveyor, and then the ingot is lifted onto the guide rail of the steel lifting machine. Then, a steel pusher is used to push the ingot to the cooling bed area for cooling.
[0003] At present, the lifting steel block has a flipping action during the lifting process. When lifting the round billet, the round billet will slide on the guide rail seat driven by the lifting steel block. When the round billet reaches the horizontal plane of the guide rail seat, the round billet will roll on the guide rail seat and the guide rail driven by the lifting steel block. When the round billet detaches from the lifting steel block and rolls onto the guide rail of other casting strands, it will affect the lifting movement of the billet of other casting strands and even cause the billet to fall off the lifting steel block, which is very dangerous. In addition, the sliding of the billet on the guide rail seat will cause the guide rail seat to be severely worn as the number of sliding increases. When the wear reaches a certain degree, the guide rail seat must be replaced, which increases the cost of use and the workload of replacement and maintenance. Utility Model Content
[0004] The utility model aims to provide a steel lifting device to solve the problem that the existing steel lifting machine generates potential safety hazards due to the movement of the casting billet during the steel lifting process.
[0005] The above-mentioned purpose of the utility model can be achieved by adopting the following technical solutions:
[0006] The utility model provides a steel lifting device, which is arranged at the end section of the roller table section at the rear of the continuous casting machine, and comprises:
[0007] A base, on which a synchronous shaft is provided, wherein the axial direction of the synchronous shaft is parallel to the casting direction;
[0008] A plurality of steel lifting units are arranged at intervals along the axial direction of the synchronization shaft, and the steel lifting units include a first connecting rod, a second connecting rod and a steel lifting block, one end of the first connecting rod is fixedly connected to the synchronization shaft, one end of the second connecting rod is hinged to the base, and two ends of the steel lifting block are respectively hinged to the other ends of the first connecting rod and the second connecting rod;
[0009] A plurality of guide rail units are arranged at intervals along the axial direction of the synchronization shaft, the guide rail units have a guide rail seat and a guide rail, the guide rail seat is fixedly connected to the base, and the guide rail is hinged on the guide rail seat;
[0010] A driving unit, used for driving the synchronization shaft to rotate;
[0011] Under the positive drive of the driving unit, the steel lifting unit can drive the billet to leave the roller and move upward. After the billet lifts the guide rail, the steel lifting unit drives the billet to continue to move to the limit position. The guide rail starts to fall back after breaking contact with the billet. When the steel lifting unit is in the limit position, the billet is located above the guide rail, and the guide rail is reset.
[0012] Under the reverse drive of the driving unit, the steel lifting unit can drive the ingot to move downward from the limit position and place the ingot on the guide rail.
[0013] In a specific embodiment, the steel lifting device is arranged in multiple groups side by side corresponding to multiple casting strands.
[0014] In a specific embodiment, one end of the guide rail away from the guide rail seat is overlapped on the guide rail seat of the adjacent steel lifting device, and the guide rail seat is provided with a groove that can completely accommodate the overlapping portion of the guide rail.
[0015] Wherein, when the steel lifting unit is in the limit position, the steel lifting block is located obliquely above the groove.
[0016] Among them, multiple groups of guide rail units connected on the steel lifting devices form a slide rail.
[0017] In a specific embodiment, when the guide rail is in a horizontal position, the top surface of the guide rail and the top surface of the guide rail seat are in the same horizontal plane.
[0018] In a specific embodiment, the steel lifting device includes a plurality of driving units, and the plurality of driving units are arranged at intervals along the axial direction of the synchronization shaft.
[0019] In a specific embodiment, the driving unit includes a crank arm and a hydraulic cylinder, one end of the crank arm is fixedly connected to the synchronization shaft, and the other end of the crank arm is hinged to the piston rod end of the hydraulic cylinder.
[0020] In a specific embodiment, a guiding surface is provided on the steel lifting block, and a stopper is provided at the front end of the steel lifting block for preventing the ingot from moving forward.
[0021] Wherein, when the steel lifting unit is in the initial position, the upper surface of the steel lifting block is lower than the roller surface.
[0022] The characteristics and advantages of this utility model are:
[0023] 1. The steel lifting device provided by the utility model does not make the ingot contact with the guide rail seat during the steel lifting process, but directly and smoothly drops the ingot onto the guide rail. The guide rail seat is free of wear throughout the whole process, thereby increasing the service life of the guide rail seat.
[0024] 2. The steel lifting block of the steel lifting device provided by the utility model is always in a horizontal state during the steel lifting process, and the ingot will not move in the horizontal direction during the lifting process, thereby avoiding the accident of the ingot being separated from the steel lifting block.
[0025] 3. When the steel lifting device provided by the utility model places the ingot on the guide rail during the steel lifting process, the ingot will not slide or roll, thus preventing the ingot from falling and interfering with the steel lifting operation of other casting strands, thereby reducing safety hazards in the continuous casting production process. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0027] Figure 1 It is a three-dimensional schematic diagram of the steel lifting device of the utility model;
[0028] Figure 2 It is a top view schematic diagram of the steel lifting device of the utility model being arranged at the end section of the roller table section;
[0029] Figure 3 for Figure 2 AA sectional view of FIG.
[0030] Figure 4 for Figure 2 BB-direction cross-sectional schematic diagram;
[0031] Figure 5 for Figure 2 A partial schematic diagram of the C direction;
[0032] Fig. 6A This is a schematic diagram of the state of the steel lifting device in the initial position waiting for the steel lifting operation;
[0033] Figure 6B It is a schematic diagram of the state in which the steel lifting device lifts the ingot and moves until the ingot contacts the guide rail;
[0034] Figure 6C This is a schematic diagram of the state in which the steel lifting device continues to move with the ingot and lifts up the guide rail;
[0035] Fig.6D It is a schematic diagram of the state in which the steel lifting device moves the billet to the limit position;
[0036] Fig. 6E This is a schematic diagram of the state in which the steel lifting device moves in the reverse direction and places the ingot on the guide rail.
[0037] Description of Figure Numbers:
[0038] 1. Base;
[0039] 2. Synchronous axis;
[0040] 3. Steel lifting unit; 31. First connecting rod; 32. Second connecting rod; 33. Steel lifting block; 331. Guide surface; 332. Stopper;
[0041] 4. Guide rail unit; 41. Guide rail seat; 411. Groove; 42. Guide rail;
[0042] 5. driving unit; 51. crank arm; 52. hydraulic cylinder;
[0043] 6. Roller table;
[0044] 7. Baffle;
[0045] 8. Coupling;
[0046] 9. Bearing seat;
[0047] 10. Slide rail;
[0048] 11. Casting billet;
[0049] F1, casting direction;
[0050] F2. Extension direction of the guide rail. DETAILED DESCRIPTION
[0051] 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.
[0052] like Figures 1 to 5 As shown, the utility model provides a steel lifting device, which is arranged at the end section of the rear roller section of the continuous casting machine, including: a base 1, on which a synchronous shaft 2 is provided, and the axial direction of the synchronous shaft 2 is parallel to the casting direction F1; a plurality of steel lifting units 3, which are arranged at intervals along the axial direction of the synchronous shaft 2, and the steel lifting unit 3 has a first connecting rod 31, a second connecting rod 32 and a steel lifting block 33, one end of the first connecting rod 31 is fixedly connected to the synchronous shaft 2, one end of the second connecting rod 32 is hinged to the base 1, and both ends of the steel lifting block 33 are hinged to the other ends of the first connecting rod 31 and the second connecting rod 32 respectively; a plurality of guide rail units 4, which are arranged at intervals along the axial direction of the synchronous shaft 2, and the guide rail unit 4 has a guide rail seat 41 and a guide rail 42, the guide rail seat 41 is fixedly connected to the base 1, and the guide rail 42 is hinged on the guide rail seat 41; a driving unit 5, used for driving the synchronous shaft 2 to rotate.
[0053] Related References FIG. 6A to FIG. 6E As shown, under the forward drive of the driving unit 5, the steel lifting unit 3 can drive the ingot 11 to leave the roller table 6 and move upward. After the ingot 11 lifts the guide rail 42, the steel lifting unit 3 drives the ingot 11 to continue to move to the limit position. The guide rail 42 begins to fall back after breaking contact with the ingot 11. When the steel lifting unit 3 is in the limit position, the ingot 11 is located above the guide rail 42, and the guide rail 42 is reset; under the reverse drive of the driving unit 5, the steel lifting unit 3 can drive the ingot 11 to move downward from the limit position and place the ingot 11 on the guide rail 42.
[0054] Among them, Fig. 6A As shown, when the steel lifting unit 3 is in the initial position, the upper surface of the steel lifting block 33 is lower than the roller surface.
[0055] Specifically, Figure 1 and Figure 2 As shown, multiple steel lifting units 3 and multiple guide rail units 4 are arranged side by side and spaced along the axial direction of the synchronous shaft 2, and the axial direction of the synchronous shaft 2 is parallel to the casting direction F1 of the continuous casting machine, wherein, along the casting direction F1 of the continuous casting machine, the steel lifting units 3 and the guide rail units 4 are staggered; in the initial state, along the gravity direction, the steel lifting unit 3 is arranged lower than the guide rail unit 4. The steel lifting unit 3 includes a first connecting rod 31, a second connecting rod 32 and a steel lifting block 33, one end of the first connecting rod 31 is fixedly connected to the synchronous shaft 2, one end of the second connecting rod 32 is hinged to the support provided on the base 1, and the two ends of the steel lifting block 33 are respectively hinged to the other ends of the first connecting rod 31 and the second connecting rod 32, so that the synchronous shaft 2, the first connecting rod 31, the steel lifting block 33, the second connecting rod 32 and the base 1 are connected to form a parallel four-bar linkage mechanism, so that the steel lifting block 33 can always maintain a horizontal state during the process of lifting the ingot 11. The guide rail unit 4 includes a guide rail seat 41 fixedly connected to the base 1 and a guide rail 42 hinged to the guide rail seat 41. In the initial state, the guide rail 42 is in a horizontal position, the upper surface of the guide rail 42 is flush with the upper surface of the guide rail seat 41, and the extension direction F2 of the guide rail 42 is vertical to the axial direction of the synchronous shaft 2. FIG. 6A to FIG. 6EAs shown, under the positive drive of the driving unit 5, the synchronous shaft 2 starts to rotate, driving the first connecting rod 31 fixedly connected thereto to swing, and the swing of the first connecting rod 31 drives the parallel four-bar linkage to lift the steel, and the lifting steel block 33 starts to move upward from the initial position below the roller surface. When the lifting steel block 33 moves up and exceeds the roller surface position, the upper surface of the lifting steel block 33 will contact the ingot 11, lift the ingot 11 from the roller 6 and continue to move upward, and as the lifting steel block 33 continues to move upward with the ingot 11, the ingot 11 will contact the guide rail 42 in a horizontal position above and lift the guide rail 42 up , the lifting steel block 33 drives the ingot 11 to continue to move to the limit position. During this process, the lifted guide rail 42 begins to fall back under the action of gravity after it loses contact with the ingot 11. When the lifting steel block 33 drives the ingot 11 to run to the limit position, the guide rail 42 falls back and resets to the original horizontal position; after the lifting steel unit 3 moves to the limit position, the driving unit 5 starts to drive in the reverse direction, and the lifting steel block 33 moves downward with the ingot 11 and places the ingot 11 steadily on the guide rail 42. The lifting steel block 33 continues to move downward in a translational manner to the initial position below the roller surface and resets to wait for the next lifting steel operation. Among them, when the driving unit 5 drives the synchronous shaft 2 to rotate, the first connecting rods 31 of the multiple lifting steel units 3 connected to the synchronous shaft 2 swing with the synchronous shaft 2, and the swing of the multiple first connecting rods 31 drives the multiple parallel four-bar linkages to move synchronously to perform the lifting steel action.
[0056] In this embodiment, if Figure 1 and Figure 2 As shown, the guide rail unit 4 is arranged on a base 1, the synchronous shaft 2 and the steel lifting unit 3 are arranged on another base 1, and the extension direction F2 of the guide rail 42 in the guide rail unit 4 is from the base 1 where the guide rail unit 4 is located to the base 1 where the synchronous shaft 2 and the steel lifting unit 3 are located, and a billet discharge channel for the casting billet 11 is formed between the bases 1 respectively connected to the guide rail unit 4 and the steel lifting unit 3, as shown in FIG. Figure 2 and Figure 3 As shown, along the casting direction F1 of the continuous casting machine, a plurality of rollers 6 are arranged side by side and at intervals on the billet discharge channel, and a baffle 7 is arranged behind the rollers 6 to prevent the billet 11 from continuing to move forward along the casting direction F1; Figure 1 and Figure 3 As shown, the synchronous shaft 2 is composed of multiple rotating shafts connected by multiple couplings 8, and is connected to the base 1 through multiple bearing seats 9.
[0057] During the steel lifting process, the steel lifting device of the utility model does not make the ingot 11 contact with the guide rail seat 41, and directly and smoothly drops the ingot 11 onto the guide rail 42. The guide rail seat 41 is free of wear throughout the entire process, thereby increasing the service life of the guide rail seat 41; the steel lifting block 33 is always in a horizontal state during the steel lifting process, and the ingot 11 does not generate horizontal movement during the lifting process, thereby avoiding the accident of the ingot 11 being separated from the steel lifting block 33; when the ingot 11 is placed on the guide rail 42 during the steel lifting process, the ingot 11 does not slide or roll, thereby avoiding the ingot 11 from falling and interfering with the steel lifting operation of other casting streams, thereby reducing the safety hazards in the continuous casting production process.
[0058] According to one embodiment of the utility model, a plurality of groups of steel lifting devices are arranged side by side corresponding to the plurality of casting strands.
[0059] Specifically, Figure 1 and Figure 2 As shown, multiple groups of steel lifting devices are arranged side by side corresponding to multiple casting strands, so that the steel lifting devices can be adaptively matched with the multiple casting strands to achieve efficient steel lifting operations. Among them, along the extension direction F2 of the guide rail 42, the base 1 between two adjacent casting strands is provided with a synchronous shaft 2 and a steel lifting unit 3 of the steel lifting device of the previous casting strand, and a guide rail unit 4 of the steel lifting device of the next casting strand.
[0060] According to one embodiment of the utility model, one end of the guide rail 42 away from the guide rail seat 41 is overlapped on the guide rail seat 41 of the adjacent steel lifting device, and the guide rail seat 41 is provided with a groove 411 that can completely accommodate the overlapping portion of the guide rail 42.
[0061] Specifically, Figure 2 As shown, one end of the guide rail 42 is hinged to the guide rail seat 41, and the guide rail 42 is overlapped on the guide rail seat 41 of the adjacent steel lifting device away from the guide rail seat 41. The guide rail seat 41 is provided with a groove 411, and the overlapping part of the other end of the guide rail 42 can be completely accommodated in the groove 41, so that the guide rail 42 can still maintain a horizontal upper surface when overlapping the adjacent guide rail seat 41, preventing the movement of the ingot 11 placed on the guide rail 42, and at the same time preventing the upper surface of the guide rail 42 from protruding out of the upper surface of the guide rail seat 41, thereby preventing the steel cart from pushing the ingot 11 from the guide rail 42 to the guide rail seat 41 and impacting the guide rail seat 41 due to gravity, resulting in a reduction in the service life of the guide rail seat 41.
[0062] When the steel lifting unit 3 is in the limit position, the steel lifting block 33 is located obliquely above the groove 411 .
[0063] Specifically, Fig.6DAs shown, when the steel lifting unit 3 is in the limit position, along the extension direction F2 of the guide rail 42, the steel lifting block 33 is located obliquely above the groove 411 of the guide rail seat 41 of the steel lifting device of the adjacent casting strand. In this way, when the cast strand 11 lifts the guide rail 42 and continues to move to the limit position, the lifted guide rail 42 can fall back quickly and unhindered under the action of gravity after breaking contact with the cast strand 11.
[0064] Furthermore, a plurality of guide rail units 4 connected to each other on a plurality of sets of steel lifting devices form a slide rail 10 .
[0065] Specifically, Figure 1 and Figure 2 As shown, multiple guide rail units 4 connected to multiple groups of steel lifting devices form a complete slide rail 10. The ingot 11 moves along the slide rail 10 to the cooling bed area under the push of the steel pusher for cooling.
[0066] According to one embodiment of the present utility model, Figures 4 to 6B As shown, when the guide rail 42 is in a horizontal position, the top surface of the guide rail 42 is in the same horizontal plane as the top surface of the guide rail seat 41. The top surface of the guide rail 42 and the top surface of the guide rail seat 41 are arranged in the same horizontal plane, so that the ingot 11 can be pushed by the steel pusher to quickly reach the cooling bed area without hindrance along the slide rail 10 for cooling.
[0067] According to one embodiment of the present utility model, Figure 3 As shown, the steel lifting device includes a plurality of driving units 5, and the plurality of driving units 5 are arranged at intervals along the axial direction of the synchronous shaft 2. Specifically, the plurality of driving units 5 arranged at intervals along the axial direction of the synchronous shaft 2 are used to synchronously drive the rotation of the synchronous shaft 2, thereby driving the plurality of steel lifting units 3 to perform synchronous steel lifting actions, and lifting the corresponding ingot 11 flowing out of the casting strand and placing it on the guide rail 42.
[0068] According to an embodiment of the present utility model, the driving unit 5 includes a crank arm 51 and a hydraulic cylinder 52 , one end of the crank arm 51 is fixedly connected to the synchronous shaft 2 , and the other end of the crank arm 51 is hinged to the piston rod end of the hydraulic cylinder 52 .
[0069] Specifically, Figure 3 and Figure 4 As shown, the driving unit 5 is composed of a crank arm 51 and a hydraulic cylinder 52. One end of the crank arm 51 is fixedly connected to the synchronous shaft 2, and the other end of the crank arm 51 is hinged to the piston rod end of the hydraulic cylinder 52. The synchronous shaft 2 reciprocates with the telescopic movement of the hydraulic cylinder 52, thereby driving the steel lifting unit 3 to move.
[0070] According to one embodiment of the present utility model, a guide surface 331 is provided on the steel lifting block 33 , and a stopper 332 for preventing the casting 11 from moving forward is provided at the front end of the steel lifting block 33 .
[0071] Specifically, Figure 4 As shown, an oblique guide surface 331 is provided on the surface of the lifting steel block 33 in contact with the ingot 11, and a stopper 332 is provided at the front end of the lifting steel block 33, that is, the lifting steel block 33 is L-shaped. The oblique guide surface 331 is provided to achieve rapid positioning of the ingot 11 on the lifting steel block 33 after contacting the lifting steel block 33, and prevent the ingot 11 from moving horizontally due to mechanical vibration during the lifting process, and the stopper 332 matched with the guide surface 331 is provided to prevent the safety risk of the ingot 11 being separated from the lifting steel block 33 due to the forward movement.
[0072] The above are only several embodiments of the present invention. Those skilled in the art may make various changes or modifications to the embodiments of the present invention based on the contents disclosed in the application documents without departing from the spirit and scope of the present invention.
Claims
1. A steel lifting device, arranged at the end of the roller table section at the rear of a continuous casting machine, characterized in that: include: A base, on which a synchronous shaft is provided, wherein the axial direction of the synchronous shaft is parallel to the casting direction; A plurality of steel lifting units are arranged at intervals along the axial direction of the synchronization shaft, and the steel lifting units include a first connecting rod, a second connecting rod and a steel lifting block, one end of the first connecting rod is fixedly connected to the synchronization shaft, one end of the second connecting rod is hinged to the base, and two ends of the steel lifting block are respectively hinged to the other ends of the first connecting rod and the second connecting rod; A plurality of guide rail units are arranged at intervals along the axial direction of the synchronization shaft, the guide rail units have a guide rail seat and a guide rail, the guide rail seat is fixedly connected to the base, and the guide rail is hinged on the guide rail seat; A driving unit, used for driving the synchronization shaft to rotate; Under the positive drive of the driving unit, the steel lifting unit can drive the billet to leave the roller and move upward. After the billet lifts the guide rail, the steel lifting unit drives the billet to continue to move to the limit position. The guide rail starts to fall back after breaking contact with the billet. When the steel lifting unit is in the limit position, the billet is located above the guide rail, and the guide rail is reset. Under the reverse drive of the driving unit, the steel lifting unit can drive the cast billet to move downward from the limit position and place the cast billet on the guide rail.
2. The steel lifting device according to claim 1, characterized in that: The steel lifting devices are arranged in multiple groups in parallel corresponding to the multiple casting strands.
3. The steel lifting device according to claim 2, characterized in that: One end of the guide rail away from the guide rail seat is overlapped on the guide rail seat of the adjacent steel lifting device, and the guide rail seat is provided with a groove that can completely accommodate the overlapping part of the guide rail.
4. The steel lifting device according to claim 3, characterized in that: When the steel lifting unit is in the limit position, the steel lifting block is located obliquely above the groove.
5. The steel lifting device according to claim 3, characterized in that: A plurality of guide rail units connected to a plurality of groups of the steel lifting devices form a slide rail.
6. The steel lifting device according to claim 1 or 5, characterized in that: When the guide rail is in a horizontal position, the top surface of the guide rail and the top surface of the guide rail seat are in the same horizontal plane.
7. The steel lifting device according to claim 1, characterized in that: The steel lifting device comprises a plurality of driving units, and the plurality of driving units are arranged at intervals along the axial direction of the synchronous shaft.
8. The steel lifting device according to claim 1 or 7, characterized in that: The driving unit comprises a crank arm and a hydraulic cylinder. One end of the crank arm is fixedly connected to the synchronization shaft, and the other end of the crank arm is hinged to the piston rod end of the hydraulic cylinder.
9. The steel lifting device according to claim 1, characterized in that: The steel lifting block is provided with a guiding surface, and the front end of the steel lifting block is provided with a stopper for preventing the casting billet from moving forward.
10. The steel lifting device according to claim 1, characterized in that: When the steel lifting unit is in an initial position, the upper surface of the steel lifting block is lower than the roller surface.