A quick replacement device for a fixed shaft used in the maintenance of a pig casting machine and its replacement method
By designing a fast replacement device for fixed shaft for cast iron machine maintenance, and adjusting the position of the clamps by lifting and motors, the rapid replacement of fixed shaft for cast iron machine is achieved, solving the problem of difficulty and time-consuming of traditional manual replacement methods.
Patent Information
- Application Number
- CN202111272125.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-10-29
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2041-10-29
AI Technical Summary
The traditional replacement method of fixed shaft of cast iron machine is to manually pull out or twist out, which leads to great difficulty, labor intensity and long replacement time.
A fast replacement device for fixed shaft for maintenance of cast iron machine is designed, fixed under the fixed shaft to be replaced by a base, and the height, orientation and angle of the clamping member are adjusted by using a lifting device, a first motor, a second motor and a first drive device, so that it is linearly distributed with the fixed shaft to be removed, clamp and remove the old shaft, and install a new shaft.
It realizes rapid replacement of fixed shafts at any height, arbitrary orientation and any angle, making it easy to disassemble and assemble, saving time and effort.
Smart Images

Figure CN113927266B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a maintenance device for a pig casting machine, in particular to a quick replacement device for a fixed shaft used in the maintenance of a pig casting machine and a replacement method thereof. Background Art
[0002] A pig casting machine is a device for casting pig iron blocks in an iron-smelting workshop, which consists of a circulating chain belt equipped with a series of molds. Molten iron is injected into the running molds one by one at one end, cooled by spraying water on the way, and when reaching the tail chain belt of the pig casting machine for reverse movement, the solidified iron blocks automatically fall off from the molds.
[0003] The traditional replacement method for the fixed shaft of a pig casting machine is to manually pull out or screw out the fixed shaft. The shaft head part of the fixed shaft is prone to sticking slag iron, so it is difficult to manually replace the shaft, with a large labor intensity and a long replacement time. To solve the above problems, a quick replacement device for a fixed shaft used in the maintenance of a pig casting machine and a replacement method thereof are provided. Summary of the Invention
[0004] The purpose of the present invention is to provide a quick replacement device for a fixed shaft used in the maintenance of a pig casting machine and a replacement method thereof. By fixing the base on the horizontal plane below the fixed shaft to be replaced; starting the lifting device to adjust the height of the clamping member, starting the first motor to adjust the orientation of the clamping member, starting the second motor to adjust the angle of the control rod, so that the clamping member and the fixed shaft to be disassembled are linearly distributed, starting the first driving device to control the clamping member to extend towards the fixed shaft to be disassembled, the clamping member clamps the fixed shaft, rotates / pulls the fixed shaft to remove it, clamps the new fixed shaft by the clamping member, readjusts the height, direction and angle of the replacement bracket, so that the new fixed shaft and the installation position to be installed are linearly distributed, and installs the new fixed shaft at the installation position by rotating / pushing the fixed shaft, and releases the clamping member to complete the installation of the fixed shaft.
[0005] The purpose of the present invention can be achieved by the following technical solutions:
[0006] A quick replacement device for a fixed shaft used in the maintenance of a pig casting machine, the replacement device includes a base, a lifting device is fixed on the base, an adjustable replacement bracket is provided on the output shaft of the lifting device, a sliding bracket is slidably provided on the replacement bracket, and a first driving device for driving the sliding bracket to slide is provided on the sliding bracket.
[0007] A clamping member for clamping the fixed shaft is provided on the sliding bracket.
[0008] The replacement bracket includes a motor bracket fixed on the output shaft of the lifting device, a first connecting member is rotatably provided on the motor bracket, a first motor for driving the first connecting member to rotate is fixed inside the motor bracket, an angle-adjustable control rod is rotatably provided on the first connecting member, a second motor for controlling the rotation of the control rod is fixed on the first connecting member, and the sliding bracket slides on one side of the control rod.
[0009] Furthermore, a collecting member for receiving the fixed shaft is provided on the replacement bracket.
[0010] Furthermore, the sliding bracket includes a first connecting plate that slides on one side of the control rod. A second connecting plate is provided on one side of the first connecting plate. A third connecting plate is connected between the first connecting plate and the second connecting plate, and a fourth connecting plate is fixed on the third connecting plate.
[0011] Furthermore, the clamping member includes a rotating member that rotates on the first connecting plate. A clamping support is fixed on the rotating member. Symmetrically distributed clamping arms are rotatably provided on the clamping support. A second telescopic rod is fixed on the second connecting plate, and a first connecting rod is rotatably provided on the second telescopic rod.
[0012] The first connecting rod passes through the rotating member and the clamping support and is fixed with a U-shaped connecting rod. Hinge rods are rotatably provided on both sides of the U-shaped connecting rod, and the hinge rods are rotatably connected to the clamping arms.
[0013] Furthermore, the clamping arm includes a clamping plate that rotates on the U-shaped connecting rod. A clamping head is provided on the clamping plate. An arc-shaped clamping groove is provided on the clamping side of the clamping head. Biting teeth are provided in the arc-shaped clamping groove. A rotating shaft that cooperates with the hinge rod is fixed on the clamping plate.
[0014] Furthermore, the collecting member includes a sliding plate that slides on the side of the control rod away from the first connecting plate. A collecting box is rotatably provided below the sliding plate. A third telescopic rod for driving the sliding plate to slide is fixed on the first connecting plate.
[0015] Advantages of the present invention:
[0016] 1. The replacement device of the present invention fixes the base on the horizontal plane below the fixed shaft to be replaced; starts the lifting device to adjust the height of the clamping member, starts the first motor to adjust the orientation of the clamping member, and starts the second motor to adjust the angle of the control rod, so that the clamping member and the fixed shaft to be disassembled are linearly distributed. This replacement device can replace fixed shafts of any height, orientation, and angle.
[0017] 2. The replacement device of the present invention controls the clamping member to extend towards the fixed shaft to be disassembled by starting the first driving device. The clamping member clamps the fixed shaft, and rotates / pulls the fixed shaft to remove it. When replacing the fixed shaft with this replacement device, the disassembly and assembly are convenient, time-saving, and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The present invention will be further described below with reference to the accompanying drawings.
[0019] Figure 1 is a schematic structural diagram of the replacement device of the present invention;
[0020] Figure 2 is a schematic structural diagram of the replacement device of the present invention;
[0021] Figure 3 is a schematic cross-sectional structure diagram of the replacement device of the present invention;
[0022] Figure 4 is Figure 3 an enlarged structure diagram at position A in
[0023] Figure 5 is Figure 1 an enlarged structure diagram at position B in Specific embodiments
[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0025] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "perimeter", etc. indicating the orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.
[0026] A fixed shaft quick replacement device for a cast iron machine maintenance, the replacement device includes a base 1, as Figure 1 shown, a lifting device 2 is fixed on the base 1, an adjustable replacement bracket 3 is provided on the output shaft of the lifting device 2, a sliding bracket 4 is slidably provided on the replacement bracket 3, and a first driving device 5 for driving the sliding bracket 4 to slide is provided on the sliding bracket 4.
[0027] The lifting device 2 can be a lifting platform or a telescopic rod.
[0028] A clamping member 6 for clamping the fixed shaft is provided on the sliding bracket 4, and a collecting member 7 for receiving the fixed shaft is provided on the replacement bracket 3.
[0029] The replacement bracket 3 includes a motor bracket 31 fixed on the output shaft of the lifting device 2, a first connecting member 32 is rotatably provided on the motor bracket 31, a first motor 33 for driving the first connecting member 32 to rotate is fixed inside the motor bracket 31, an angle-adjustable control rod 34 is rotatably provided on the first connecting member 32, a second motor 35 for controlling the rotation of the control rod 34 is fixed on the first connecting member 32, and the sliding bracket 4 slides on one side of the control rod 34.
[0030] The sliding support 4 includes a first connecting plate 41 that slides on one side of the control rod 34. A second connecting plate 42 is provided on one side of the first connecting plate 41. A third connecting plate 43 is connected between the first connecting plate 41 and the second connecting plate 42, and a fourth connecting plate 44 is fixed on the third connecting plate 43.
[0031] The first driving device 5 can be a cylinder or an electric telescopic rod or other driving devices that can drive the sliding support 4 to perform linear motion.
[0032] The clamping member 6 includes a rotating member 61 that rotates on the first connecting plate 41. As Figure 3 , Figure 4 shown, a clamping support 62 is fixed on the rotating member 61. Symmetrically distributed clamping arms 63 are rotatably provided on the clamping support 62. A second telescopic rod 64 is fixed on the second connecting plate 42, and a first connecting rod 65 is rotatably provided on the second telescopic rod 64.
[0033] The first connecting rod 65 passes through the rotating member 61 and the clamping support 62 and is fixed with a U-shaped connecting rod 66. Hinge rods 67 are rotatably provided on both sides of the U-shaped connecting rod 66, and the hinge rods 67 are rotatably connected to the clamping arms 63.
[0034] The clamping arm 63 includes a clamping plate 631 that rotates on the U-shaped connecting rod 66. As Figure 5 shown, a clamping head 632 is provided on the clamping plate 631. An arc-shaped clamping groove 633 is provided on the clamping side of the clamping head 632, and bite teeth are provided in the arc-shaped clamping groove 633. A rotating shaft 634 that cooperates with the hinge rod 67 is fixed on the clamping plate 631.
[0035] The collecting member 7 includes a sliding plate 71 that slides on the side of the control rod 34 away from the first connecting plate 41. As Figure 2 shown, a collecting box 73 is rotatably provided below the sliding plate 71. A third telescopic rod 72 for driving the sliding plate 71 to slide is fixed on the first connecting plate 41.
[0036] A method for replacing a fixed shaft of a fixed shaft quick replacement device for a cast iron machine maintenance. The method for replacing the fixed shaft includes the following steps:
[0037] S1: Base fixation
[0038] Fix the base 1 on the horizontal plane below the fixed shaft to be replaced;
[0039] S2: Adjust the replacement bracket
[0040] Start the lifting device 2 to adjust the height of the clamping member 6, start the first motor 33 to adjust the orientation of the clamping member 6, and start the second motor 35 to adjust the angle of the control rod 34 so that the clamping member 6 and the fixed shaft to be disassembled are linearly distributed.
[0041] S3: Disassemble the fixed shaft
[0042] Start the first driving device 5 to control the clamping member 6 to extend towards the fixed shaft to be disassembled. The clamping member 6 clamps the fixed shaft, and rotate / pull the fixed shaft to remove it.
[0043] S4: Install the fixed shaft
[0044] Clamp the new fixed shaft by the clamping member 6, readjust the height, direction and angle of the replacement bracket so that the new fixed shaft is linearly distributed with the installation position to be installed. Rotate / push the fixed shaft to install it at the installation position to be installed, and loosen the clamping member 6 to complete the installation of the fixed shaft.
[0045] In the description of this specification, the descriptions with reference to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all these changes and improvements fall within the scope of the present invention claimed.
Claims
1. A fixed shaft quick replacement device for the maintenance of a casting machine. The replacement device includes a base (1). Characterized in that, A lifting device (2) is fixed on the base (1). An adjustable replacement bracket (3) is provided on the output shaft of the lifting device (2). A sliding bracket (4) is slidably provided on the replacement bracket (3). A first driving device (5) for driving the sliding bracket (4) to slide is provided on the sliding bracket (4). A clamping member (6) for clamping the fixed shaft is provided on the sliding bracket (4). The replacement bracket (3) includes a motor bracket (31) fixed on the output shaft of the lifting device (2). A first connecting member (32) is rotatably provided on the motor bracket (31). A first motor (33) for driving the first connecting member (32) to rotate is fixed inside the motor bracket (31). An angle-adjustable control rod (34) is rotatably provided on the first connecting member (32). A second motor (35) for controlling the rotation of the control rod (34) is fixed on the first connecting member (32). The sliding bracket (4) slides on one side of the control rod (34). A collecting member (7) for receiving the fixed shaft is provided on the replacement bracket (3). The sliding bracket (4) includes a first connecting plate (41) that slides on one side of the control rod (34). A second connecting plate (42) is provided on one side of the first connecting plate (41). A third connecting plate (43) is connected between the first connecting plate (41) and the second connecting plate (42). A fourth connecting plate (44) is fixed on the third connecting plate (43). The clamping member (6) includes a rotating member (61) that rotates on the first connecting plate (41). A clamping support (62) is fixed on the rotating member (61). Symmetrically distributed clamping arms (63) are rotatably provided on the clamping support (62). A second telescopic rod (64) is fixed on the second connecting plate (42). A first connecting rod (65) is rotatably provided on the second telescopic rod (64). The first connecting rod (65) passes through the rotating member (61) and the clamping support (62) and is fixed with a U-shaped connecting rod (66). Hinge rods (67) are rotatably provided on both sides of the U-shaped connecting rod (66). The hinge rods (67) are rotatably connected to the clamping arms (63). The collecting member (7) includes a sliding plate (71) that slides on the side of the control rod (34) away from the first connecting plate (41). A collecting box (73) is rotatably provided below the sliding plate (71). A third telescopic rod (72) for driving the sliding plate (71) to slide is fixed on the first connecting plate (41).
2. The fixed shaft quick replacement device for the maintenance of a casting machine according to claim 1, Characterized in that, The clamping arm (63) includes a clamping plate (631) that rotates on the U-shaped connecting rod (66). A clamping head (632) is provided on the clamping plate (631). An arc-shaped clamping groove (633) is provided on the clamping side of the clamping head (632). Teeth are provided in the arc-shaped clamping groove (633). A rotating shaft (634) that cooperates with the hinge rod (67) is fixed on the clamping plate (631).
3. The fixed shaft quick replacement device for the maintenance of a casting machine according to claim 1, Characterized in that, The lifting device (2) is one of a lift table or a telescopic rod.
4. A quick replacement device for a fixed shaft used in the maintenance of a pig casting machine according to claim 1, characterized in that the first driving device (5) is one of a cylinder or an electric telescopic rod.
5. A method for replacing a fixed shaft of a quick replacement device for a fixed shaft used in the maintenance of a pig casting machine according to any one of claims 1-4, characterized in that the method for replacing the fixed shaft comprises the following steps: S1: Base fixation Fix the base (1) on the horizontal plane below the fixed shaft to be replaced; S2: Adjust the replacement bracket Start the lifting device (2) to adjust the height of the clamping member (6), start the first motor (33) to adjust the orientation of the clamping member (6), and start the second motor (35) to adjust the angle of the control rod (34) so that the clamping member (6) and the fixed shaft to be disassembled are linearly distributed; S3: Disassemble the fixed shaft Start the first driving device (5) to control the clamping member (6) to extend towards the fixed shaft to be disassembled, the clamping member (6) clamps the fixed shaft, and rotate / pull the fixed shaft to remove it; S4: Install the fixed shaft Clamp the new fixed shaft by the clamping member (6), readjust the height, direction and angle of the replacement bracket so that the new fixed shaft and the installation position to be installed are linearly distributed, install the new fixed shaft at the installation position to be installed by rotating / pushing the fixed shaft, and loosen the clamping member (6) to complete the installation of the fixed shaft.
Citation Information
Patent Citations
Fixed shaft quick replacement device for pig casting machine maintenance
CN216681000U