Hydraulic shears blade replacement device and method

Abstract

The hydraulic shear blade replacement device and method, comprising a connecting frame, one side of the connecting frame is provided with a lifting power device, the other side is fixed with a hydraulic shear, the connecting frame is further provided with a shear blade conveying device, and the lifting power device is connected with a shear blade assembly; the upper shear blade seat and the lower shear blade seat are pulled out or pushed into the hydraulic shear by the electric winch driving the winch grab hook, and a large amount of manpower and time is saved. The replacement of the upper shear blade seat and the lower shear blade seat is realized in a narrow space through the assembled lifting plate connecting rod and the distance increasing connecting rod, and the present application has the advantages of simple structure, easy implementation, convenient operation, convenient replacement of the shear cutting piece and safety and reliability.

Description

Technical Field

[0001] This invention belongs to the technical field of continuous casting and rolling equipment, and relates to a hydraulic shear blade replacement device. Another technical solution of this invention belongs to the technical field of continuous casting and rolling methods, and relates to a hydraulic shear blade replacement method. Background Technology

[0002] Hydraulic shears are crucial equipment in continuous production lines of pickling and rolling mills. The shear blade, as the core component of the hydraulic shear, is even more critical. Since the shear blade weighs as much as 200-300 kg, multiple workers are required to operate it during replacement. This not only presents the problem of limited operating space, but also raises concerns about how to quickly and conveniently replace the shear blade to adapt to fast-paced production and improve equipment utilization. This method can effectively solve the inconvenience problems of difficult and time-consuming shear blade replacement on the line. Summary of the Invention

[0003] The purpose of this invention is to provide a hydraulic shear blade replacement device that is adaptable to operation in confined spaces. Another purpose of this invention is to provide a hydraulic shear blade replacement method that is characterized by short replacement time and simple operation.

[0004] The technical solution adopted in this invention is a hydraulic shear blade replacement device. The invention is characterized by including a connecting frame, a lifting power device installed on one side of the connecting frame, and a fixed connection between the other side and the hydraulic shear. The connecting frame is also equipped with a shear blade transport device, and the lifting power device is connected to the shear blade assembly.

[0005] The invention is further characterized by:

[0006] The shear blade assembly includes an upper shear blade holder and a lower shear blade holder, which are connected to the lifting power unit.

[0007] The lifting power unit includes a power winch assembly and a pulley assembly. The lifting power unit is also equipped with a lifting replacement device. The power winch assembly and pulley assembly are connected to the connecting frame, and the lifting replacement device is connected to the power winch assembly.

[0008] The power winch assembly includes an electric winch with a steel wire rope wound on it. The end of the steel wire rope is connected to a winch hook, which is connected to a lifting and changing device. The steel wire rope is in contact with a pulley assembly.

[0009] The lifting and replacement device includes a connecting rod mounting assembly and a lifting plate. The connecting rod and lifting plate assembly includes a lifting plate connecting rod and a distance-extending connecting rod. One end of the lifting plate connecting rod is fixedly connected to a hook plate, and the other end of the lifting plate connecting rod is connected to the lifting plate. One end of the distance-extending connecting rod is fixedly connected to a hook plate, and the other end of the distance-extending connecting rod is threadedly connected to the lifting plate connecting rod. The lifting plate includes a plate body with a lifting hole in the middle. Pins are respectively provided on both sides of the plate body. The pins are connected to the upper shear blade holder and the lower shear blade holder. The lifting hole is connected to the winch hook. The hook plates of the lifting plate connecting rod and the distance-extending connecting rod are connected to the winch hook.

[0010] The pulley assembly includes a second pulley, and a third pulley is provided between the second pulley and the connecting frame. The second pulley and the third pulley are on the same horizontal plane, and a first pulley is also installed between the second pulley and the winch assembly.

[0011] The shear blade transport device includes a slide, which is equipped with rollers and is installed on one side of the connecting frame.

[0012] Another technical solution of this invention is a hydraulic shear blade replacement method, characterized in that it is carried out according to the following steps:

[0013] S1. Release the spring lock of the shear blade assembly;

[0014] S2. The shear blade assembly is moved from the hydraulic shears to the shear blade transport device by means of the lifting plate, the power winch assembly and the pulley assembly.

[0015] S3. Replace the shear blades of the removed shear blade assembly. The replaced shear blade assembly is then lifted using a lifting plate, a power winch assembly, and a pulley assembly.

[0016] S4. Install the connecting rod mounting assembly on the lifting plate, and use the power winch assembly and pulley assembly to install the replaced shear blade assembly into the hydraulic shears.

[0017] S5. Remove the connecting rod mounting assembly, winch hook and lifting plate, and complete the shear blade replacement.

[0018] S2 is implemented in the following steps:

[0019] S2.1 Install the lifting plate at both ends of the upper and lower shear blade holders to make the shear blade assembly a whole;

[0020] S2.2 Connect one end of the wire rope to the electric winch and the other end to the winch hook. The winch hook passes through the first pulley and the second pulley and hooks into the lifting hole of the lifting plate. Start the electric winch to move the shear blade assembly from the hydraulic shears into the slide of the shear blade transport device.

[0021] S3 shall be implemented as follows:

[0022] Remove the lifting plate from the removed shear blade assembly, replace the shear blade, and then reinstall the lifting plate at both ends of the shear blade assembly. Pass the winch hook through the first and second pulleys and hook it into the lifting hole so that the wire rope forms an S-shape. After connecting, start the electric winch to drive the wire rope to rotate and generate tension, and lift the upper and lower shear blade holders in the slide into the square window of the hydraulic shear operating side frame.

[0023] S4 shall be implemented as follows:

[0024] Install the connecting rod lifting plate device on the lifting plate, and use the winch hook to pass the wire rope around the first pulley and the third pulley and hang it on the hook plate of the extension rod. Start the electric winch to rotate, thereby pushing the upper and lower shear blade holders to move in the direction of the hot-rolled hydraulic shear. After the upper and lower shear blade holders reach their positions, turn off the electric winch.

[0025] The beneficial effects of this invention are: by using an electric winch to drive the winch hook to pull out or push the upper and lower shear blade holders into the hydraulic shears, a significant amount of manpower and time is saved. The replacement of the upper and lower shear blade holders can be completed in confined spaces through the assembled hanging plate linkage and extension linkage. This invention has a simple structure, is easy to implement, convenient to operate, facilitates the replacement of shearing components, and is safe and reliable. Attached Figure Description

[0026] Figure 1 This is a front view of the hot-rolled hydraulic shear blade replacement device of the present invention;

[0027] Figure 2 This is a side view of the hydraulic shear blade replacement device of the present invention;

[0028] Figure 3 This is a schematic diagram of the replacement state of the hydraulic shear blade replacement device of the present invention;

[0029] Figure 4 This is a schematic diagram of the installation state of the hydraulic shear blade replacement device of the present invention;

[0030] Figure 5 This is a schematic diagram of the lifting plate of the hydraulic shear blade replacement device of the present invention.

[0031] In the diagram, 1. connecting frame, 2. lifting power unit, 3. shear blade transport device, 4. shear blade assembly;

[0032] 201. Powered winch assembly; 202. Pulley assembly; 203. Lifting and changing device; 301. Slide rail; 302. Roller; 401. Upper shear blade holder; 402. Lower shear blade holder;

[0033] 20101. Electric winch; 20102. Steel wire rope; 20103. Winch hook; 20201. First pulley; 20202. Second pulley; 20203. Third pulley; 20301. Linkage device; 20302. Lifting plate;

[0034] 2030101. Lifting plate connecting rod, 2030102. Second connecting rod, 2030201. Plate body, 2030202. Lifting hole, 2030203. Pin. Detailed Implementation

[0035] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0036] Example 1

[0037] The present invention relates to a hydraulic shear blade replacement device, such as... Figure 1 As shown, the device includes a connecting frame 1, a lifting power device 2 installed on one side of the connecting frame 1, and a hydraulic shear fixed to the other side. The connecting frame 1 is also equipped with a shear blade transport device 3. The lifting power device 2 is connected to a shear blade assembly 4. The shear blade assembly 4 includes an upper shear blade holder 401 and a lower shear blade holder 402. The upper shear blade holder 401 and the lower shear blade holder 402 are connected to the lifting power device 2. The lifting power device 2 includes a power winch assembly 201 and a pulley assembly 202. The lifting power device 2 is also equipped with a lifting replacement device 203. The power winch assembly 201 and the pulley assembly 202 are connected to the connecting frame 1, and the lifting replacement device 203 is connected to the power winch assembly 201.

[0038] like Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the power winch assembly 201 includes an electric winch 20101, on which a wire rope 20102 is wound. The end of the wire rope 20102 is connected to a winch hook 20103, which is connected to a lifting and changing device 203. The wire rope 20102 is in contact with a pulley assembly 202. The lifting and changing device 203 includes a connecting rod mounting assembly 20301 and a lifting plate 2. 0302, the linkage lifting plate device 20301 includes a lifting plate connecting rod 2030101 and a distance-extending connecting rod 2030102. One end of the lifting plate connecting rod 2030101 is fixedly connected to a hook plate, and the other end of the lifting plate connecting rod 2030101 is connected to a lifting plate 20302. One end of the distance-extending connecting rod 2030102 is fixedly connected to a hook plate, and the other end of the distance-extending connecting rod 2030102 is threaded to the lifting plate connecting rod 2030101. The lifting plate 20302 includes a plate body 2030201, with a lifting hole 2030202 in the middle of the plate body 2030201. Pins 2030203 are respectively provided on both sides of the plate body 2030201, and the pins 2030203 are connected to the upper shear blade holder 401 and the lower shear blade holder 402. The lifting hole 2030202 is connected to the winch hook 20103. The lifting plate connecting rod 2030101 is used for hanging... The hook plate and the hook plate of the extension rod 2030102 are connected to the winch hook 20103. The pulley assembly 202 includes a second pulley 20202. A third pulley 20203 is also provided between the second pulley 20202 and the connecting frame 1. The second pulley 20202 and the third pulley 20203 are on the same horizontal plane. A first pulley 20201 is also installed between the second pulley 20202 and the winch assembly 201.

[0039] Example 2

[0040] The present invention relates to a hydraulic shear blade replacement device, such as... Figure 1 As shown, the device includes a connecting frame 1, a lifting power device 2 installed on one side of the connecting frame 1, and a hydraulic shear fixed to the other side. The connecting frame 1 is also equipped with a shear blade transport device 3. The lifting power device 2 is connected to a shear blade assembly 4. The shear blade assembly 4 includes an upper shear blade holder 401 and a lower shear blade holder 402. The upper shear blade holder 401 and the lower shear blade holder 402 are connected to the lifting power device 2. The lifting power device 2 includes a power winch assembly 201 and a pulley assembly 202. The lifting power device 2 is also equipped with a lifting replacement device 203. The power winch assembly 201 and the pulley assembly 202 are connected to the connecting frame 1, and the lifting replacement device 203 is connected to the power winch assembly 201.

[0041] like Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the power winch assembly 201 includes an electric winch 20101, on which a wire rope 20102 is wound. The end of the wire rope 20102 is connected to a winch hook 20103, which is connected to a lifting and changing device 203. The wire rope 20102 is in contact with a pulley assembly 202. The lifting and changing device 203 includes a connecting rod mounting assembly 20301 and a lifting plate 20302. 20301 includes a lifting plate connecting rod 2030101 and a span-extending connecting rod 2030102. One end of the lifting plate connecting rod 2030101 is fixedly connected to a hook plate, and the other end is connected to a lifting plate 20302. One end of the span-extending connecting rod 2030102 is fixedly connected to a hook plate, and the other end is threadedly connected to the lifting plate connecting rod 2030101. The lifting plate 20302 includes a plate body 2030201. A lifting hole 2030202 is provided in the middle of the plate body 2030201. Pins 2030203 are respectively provided on both sides of the plate body 2030201. The pins 2030203 are connected to the upper shear blade holder 401 and the lower shear blade holder 402. The lifting hole 2030202 is connected to the winch hook 20103. The hook plates of the lifting plate connecting rod 2030101 and the hook plates of the distance-extending connecting rod 2030102 are connected to the winch hook 20103. The wheel assembly 202 includes a second pulley 20202, and a third pulley 20203 is also provided between the second pulley 20202 and the connecting frame 1. The second pulley 20202 and the third pulley 20203 are on the same horizontal plane. A first pulley 20201 is also installed between the second pulley 20202 and the winch assembly 201. The shear blade transport device 3 includes a slide rail 301, and rollers 302 are installed on the slide rail 301. The slide rail 301 is installed on one side of the connecting frame 1.

[0042] Example 3

[0043] The method for replacing the blades of a hydraulic shear in this invention is carried out according to the following steps:

[0044] S1. Release the spring lock of the shear blade assembly 4;

[0045] S2. The shear blade assembly 4 is moved from the hydraulic shear to the shear blade transport device 3 by the cooperation of the lifting plate 20302, the power winch assembly 201 and the pulley assembly 202.

[0046] S2 is implemented in the following steps:

[0047] S2.1 Install the lifting plate 20302 at both ends of the upper shear blade holder 401 and the lower shear blade holder 402 to make the shear blade assembly 4 a whole;

[0048] S2.2 Connect one end of the wire rope 20102 to the electric winch 20101 and the other end to the winch hook 20103. The winch hook 20103 passes through the first pulley 20201 and the second pulley 20202 and hooks into the lifting hole 2030202 of the lifting plate 20302. Start the electric winch 20101 to move the shear blade assembly 4 from the hydraulic shears into the slide 301 of the shear blade transport device 3.

[0049] S3. Replace the shear blades of the removed shear blade assembly 4. The shear blade assembly 4 after the shear blade replacement is lifted by the lifting plate 20302, the power winch assembly 201 and the pulley assembly 202.

[0050] S3 is implemented in the following steps:

[0051] After removing the shear blade assembly 4, remove the lifting plate 20302 and replace the shear blade. After replacing the shear blade, reinstall the lifting plate 20302 at both ends of the shear blade assembly 4. Pass the winch hook 20103 through the first pulley 20201 and the second pulley 20202 and hook it into the lifting hole 2030202, so that the wire rope 20102 forms an S-shape. After connecting, start the electric winch 20101 to drive the wire rope 20102 to rotate and generate tension. Lift the upper shear blade holder 401 and the lower shear blade holder 402 in the slide 301 into the square window of the hydraulic shear operating side frame.

[0052] S4. Install the connecting rod mounting assembly 20301 on the lifting plate 20302, and use the power winch assembly 201 and pulley assembly 202 to install the replaced shear blade assembly 4 into the hydraulic shear.

[0053] S4 is implemented according to the following steps:

[0054] Install the connecting rod lifting plate device 20301 on the lifting plate 20302. Use the winch hook 20103 to pass the wire rope 20102 around the first pulley 20101 and the third pulley 20203 and hang it on the hook plate of the extension rod 2030102. Start the electric winch 20101 to rotate, thereby pushing the upper shear blade holder 401 and the lower shear blade holder 402 to move in the direction of the hot-rolled hydraulic shear. After the upper shear blade holder 401 and the lower shear blade holder 402 reach their positions, turn off the electric winch 20101.

[0055] S5. Remove the connecting rod installation assembly 20301, winch hook 20103 and lifting plate 20302 to complete the shear blade replacement.

Claims

1. A hydraulic shear blade changing device, characterized in that, The system includes a connecting frame (1), on one side of which a lifting power device (2) is installed, and on the other side it is fixedly connected to a hydraulic shear. The connecting frame (1) is also equipped with a shear blade transport device (3). The lifting power device (2) is connected to a shear blade assembly (4). The shear blade assembly (4) includes an upper shear blade holder (401) and a lower shear blade holder (402), which are connected to the lifting power device (2). The lifting power device (2) includes a power winch assembly (201) and a pulley assembly (202). The lifting power device (2) is also equipped with a lifting mechanism. The lifting and changing device (203) is connected to the connecting frame (1) via the power winch assembly (201) and pulley assembly (202). The power winch assembly (201) includes an electric winch (20101) with a wire rope (20102) wound around it. The end of the wire rope (20102) is connected to a winch hook (20103), which is connected to the lifting and changing device (203). The wire rope (20102) is connected to the pulley assembly (202). The lifting and changing device (203) includes a connecting rod device (20301) and a lifting plate (20302). The connecting rod device (20301) includes a lifting plate connecting rod (2030101) and a distance-extending connecting rod (2030102). One end of the lifting plate connecting rod (2030101) is fixedly connected to a hook plate, and the other end of the lifting plate connecting rod (2030101) is connected to the lifting plate (20302). One end of the distance-extending connecting rod (2030102) is fixedly connected to a hook plate, and the other end of the distance-extending connecting rod (2030102) is threadedly connected to the lifting plate connecting rod (2030101). The lifting plate (20302) includes a plate body (2030201), a lifting hole (2030202) is provided in the middle of the plate body (2030201), and pins (2030203) are respectively provided on both sides of the plate body (2030201). The pins (2030203) are connected to the upper shear blade holder (401) and the lower shear blade holder (402). The lifting hole (2030202) is connected to the winch hook (20103). The hook plate of the lifting plate connecting rod (2030101) and the hook plate of the extension connecting rod (2030102) are connected to the winch hook (20103).

2. The hydraulic shear blade changing device according to claim 1, characterized in that, The pulley assembly (202) includes a second pulley (20202), and a third pulley (20203) is also provided between the second pulley (20202) and the connecting frame (1). The second pulley (20202) and the third pulley (20203) are on the same horizontal plane. A first pulley (20201) is also installed between the second pulley (20202) and the power winch assembly (201).

3. The hydraulic shear blade changing device according to claim 2, characterized in that, The shear blade transport device (3) includes a slide (301) on which rollers (302) are mounted, and the slide (301) is mounted on one side of the connecting frame (1).

4. A method for changing the blades of hydraulic shears, wherein the method uses the hydraulic shear blade changing device as described in claim 3, characterized in that... Please follow these steps: S1. Release the spring lock of the shear blade assembly (4); S2. The shear blade assembly (4) is moved from the hydraulic shear to the shear blade transport device (3) by the cooperation of the lifting plate (20302), the power winch assembly (201) and the pulley assembly (202). S3. Replace the shear blades of the removed shear blade assembly (4). The shear blade assembly (4) after the shear blade replacement is lifted by the lifting plate (20302), the power winch assembly (201) and the pulley assembly (202). S4. Install the connecting rod device (20301) on the lifting plate (20302), and install the replaced shear blade assembly (4) into the hydraulic shear through the cooperation of the power winch assembly (201) and the pulley assembly (202); S5. Remove the connecting rod device (20301), winch hook (20103) and lifting plate (20302) to complete the shear blade replacement.

5. The hydraulic shear blade replacement method according to claim 4, characterized in that, S2 specifically involves: S2.1 Installing the lifting plate (20302) at both ends of the upper shear blade holder (401) and the lower shear blade holder (402) to make the shear blade assembly (4) a whole; S2.2 Connecting one end of the wire rope (20102) to the electric winch (20101) and the other end to the winch hook (20103). The winch hook (20103) passes through the first pulley (20201) and the second pulley (20202) and hooks into the lifting hole (2030202) of the lifting plate (20302). Start the electric winch (20101) to move the shear blade assembly (4) from the hydraulic shears into the slide (301) of the shear blade transport device (3).

6. The hydraulic shear blade replacement method according to claim 4, characterized in that, Specifically, S3 is: Remove the lifting plate (20302) from the removed shear blade assembly (4) and replace the shear blade. After the shear blade is replaced, reinstall the lifting plate (20302) at both ends of the shear blade assembly (4). Hook the winch hook (20103) through the first pulley (20201) and the second pulley (20202) and hook it into the lifting hole (2030202) so that the wire rope (20102) forms an S-shape. After connecting, start the electric winch (20101) to drive the wire rope (20102) to rotate and generate tension. Lift the upper shear blade holder (401) and the lower shear blade holder (402) in the slide (301) into the square window of the hydraulic shear operating side frame.

7. The hydraulic shear blade replacement method according to claim 4, characterized in that, S4 specifically involves: installing the connecting rod device (20301) on the lifting plate (20302), using the winch hook (20103) to pass the wire rope (20102) around the first pulley (20201) and the third pulley (20203) and hang it on the hook plate of the extension rod (2030102), starting the electric winch (20101) to rotate, thereby pushing the upper shear blade holder (401) and the lower shear blade holder (402) to move in the direction of the hydraulic shears, and after the upper shear blade holder (401) and the lower shear blade holder (402) reach their positions, turning off the electric winch (20101).

Images