CN110253493B - Profile steel roughing mill balance beam replacement device and profile steel roughing mill balance beam replacement method - Google Patents
Profile steel roughing mill balance beam replacement device and profile steel roughing mill balance beam replacement method Download PDFInfo
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- CN110253493B CN110253493B CN201910628932.3A CN201910628932A CN110253493B CN 110253493 B CN110253493 B CN 110253493B CN 201910628932 A CN201910628932 A CN 201910628932A CN 110253493 B CN110253493 B CN 110253493B
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- section steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000011796 hollow space material Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 19
- 238000012423 maintenance Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
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Abstract
A balance beam replacement device of a section steel roughing mill and a section steel roughing mill balance beam replacement method. This device is changed to shaped steel roughing mill compensating beam includes the device automobile body, sets up the plummer through elevating gear on the device automobile body, sets up the workstation on the plummer, sets up the ejector pin through the workstation, designs workstation, regulating plate and the structural dimension of ejector pin according to the structure of shaped steel roughing mill to guarantee after the plummer rises and with compensating beam bottom contact. The ejector rod is opposite to the pin shaft between the lifting hydraulic cylinder and the balance beam, the ejector rod can eject the pin shaft, disassembly between the lifting hydraulic cylinder and the balance beam is achieved, and then after the device body is pulled out, the disassembled parts can be overhauled. The overhaul platform is reasonable in structural design, can enter a narrow mill housing space, can be used for disassembling and assembling parts on a mill by adopting simpler operation, and is suitable for overhaul and use in the mill housing.
Description
Technical Field
The invention relates to the technical field of rolling mill overhaul equipment, in particular to a device and a method for replacing a balance beam of a profile steel roughing mill.
Background
In the prior art, most of rolling lines use housing type rolling mills, especially large section rolling mills, and the rollers mounted on the housing type rolling mills basically use universal rollers, so that the internal space of the rolling mill is limited. During maintenance, equipment such as an existing maintenance platform cannot enter the inside of the rolling mill, so that the maintenance difficulty of large-scale parts in the rolling mill is increased.
Disclosure of Invention
Therefore, how to provide an overhaul platform suitable for the overhaul of the mill housing, thereby facilitating the maintenance of the mill, and the problems to be solved by the technicians in the field are urgent.
In order to achieve the above object, the present invention provides the following technical solutions:
A section steel roughing mill balance beam replacement apparatus, comprising: the upper side surface of the device body is a mounting surface; the lifting device is fixedly arranged on the mounting surface; the driving device is in power connection with the lifting device; the bearing table is arranged above the mounting surface and connected with the lifting device, and can move up and down relative to the device vehicle body through the lifting device; the working table is arranged on the bearing surface, an adjusting plate is arranged on the working table, and a push rod for pushing out a pin shaft between a lifting hydraulic cylinder and a balance beam of the profile steel roughing mill is movably arranged on the adjusting plate.
In the above-described steel roughing mill balance beam replacement device, preferably, a guide assembly is provided on the mounting surface, the guide assembly includes a guide sleeve, a guide rod is slidably provided in the guide sleeve, a sliding direction of the guide rod in the guide sleeve is parallel to a moving direction of the loading table relative to the device body, and the guide rod is connected to the loading table.
In the above-described balance beam replacement device for a section steel roughing mill, preferably, two guide assemblies are provided, and the two guide assemblies are symmetrically provided on both sides of the lifting device.
In the above-described balance beam replacement device for a section steel roughing mill, preferably, the lifting device includes a lifting shaft, and a link is fixedly provided between the lifting shaft and the guide bar.
In the section steel roughing mill balance beam changing apparatus as described above, preferably, one of the lifting devices is provided with at least one of the guide assemblies and is formed with one lifting unit; the lifting units are arranged in two, and the two lifting units are arranged on the mounting surface at intervals.
In the above-described balance beam replacement device for a section steel roughing mill, it is preferable that the lifting devices in the two lifting units are linked by a transmission rod, and the driving device is in power connection with the transmission rod.
In the above-described balance beam replacement device for a section steel roughing mill, preferably, in a three-dimensional rectangular coordinate system established with the bearing surface being an XY-axis coordinate plane, a pin shaft between a lifting hydraulic cylinder and a balance beam of the section steel roughing mill is disposed along a Y-axis of the three-dimensional rectangular coordinate system; the bearing table can move along the Z axis of the three-dimensional rectangular coordinate system; the adjusting plate is provided with a strip hole along the X axis of the three-dimensional rectangular coordinate system, and the adjusting plate is movably arranged on the workbench through the strip hole; the ejector rod can axially move along the Y axis of the three-dimensional rectangular coordinate system on the adjusting plate.
In the above-described device for replacing a balance beam of a section steel roughing mill, preferably, the work table is located below a hollow space formed by the balance beam, and includes: the base body is arranged on the bearing surface; and the lug is arranged on the top surface of the base body, and the regulating plate is arranged on the side surface of the lug perpendicular to the Y axis of the three-dimensional rectangular coordinate system.
In the section steel roughing mill balance beam replacement device as described above, preferably, the lifting device is a lifting screw; the driving device is a motor; the ejector rod is in threaded fit with the adjusting plate.
On the other hand, the following technical scheme is provided:
A section steel roughing mill balance beam replacement method uses the section steel roughing mill balance beam replacement device to replace; the method comprises the following specific steps: pushing the balance beam replacement device of the section steel roughing mill into a housing of the section steel roughing mill; starting the driving device to enable the bearing table to ascend until the bearing table contacts with the bottom end of the balance beam of the profile steel roughing mill; the adjusting plate is adjusted, so that the ejector rod is aligned with a pin shaft between a lifting hydraulic cylinder and a balance beam of the section steel roughing mill, the pin shaft is ejected by the ejector rod, and then the connection between a screw-down lead screw and an anti-lock hydraulic cylinder of the section steel roughing mill is released; and lowering the bearing table, simultaneously lowering the detached balance beam and the anti-lock hydraulic cylinder carried on the bearing table along with the bearing table, and then pulling out the section steel roughing mill balance beam replacement device from the housing.
Compared with the prior art, the invention has the following beneficial effects:
The invention discloses a balance beam replacement device of a section steel roughing mill and a balance beam replacement method of the section steel roughing mill. The invention provides a balance beam replacement device of a profile steel roughing mill, which comprises a device vehicle body, wherein a bearing table is arranged on the device vehicle body through a lifting device, a workbench is arranged on the bearing table, a push rod is arranged on the workbench, the structural dimensions of the workbench, an adjusting plate and the push rod are designed according to the structure of the profile steel roughing mill so as to ensure that the bearing table is lifted and is contacted with the bottom end of the balance beam, in this state, the push rod can be just opposite to a pin shaft between a lifting hydraulic cylinder and the balance beam, the pin shaft can be ejected through rotating the push rod, the disassembly between the lifting hydraulic cylinder and the balance beam is realized, and then after the device vehicle body is pulled out, the disassembled part can be overhauled. The invention has reasonable structural design, can enter a narrow mill housing space, can complete the disassembly and the assembly of the upper part of the mill by adopting simpler operation, and is an overhaul platform suitable for overhaul and use in the mill housing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is a schematic structural view of a balance beam replacement apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention;
FIG. 2 is a front view of a balance beam changing apparatus of a medium-sized steel roughing mill according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a balance beam replacement apparatus for a middle-sized steel roughing mill according to an embodiment of the present invention in a bottom view;
FIG. 4 is a front view showing a balance beam replacement apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention in a use state;
FIG. 5 is a side view of a balance beam changing apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention in a use state;
FIG. 6 is a schematic view showing a balance beam replacement apparatus for a middle-sized steel roughing mill according to an embodiment of the present invention in a bottom view when in use;
fig. 7 is a schematic structural view of a balance beam replacement apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention in a top view when in use.
In the figure, the correspondence between the component names and the reference numerals is:
The device comprises a device body 1, a lifting device 2, a driving device 3, a bearing table 4, a workbench 5, an adjusting plate 6, a push rod 7, a guide sleeve 8, a guide rod 9, a connecting rod 10, a transmission rod 11, a base body 12, a convex block 13, a hollowed-out space 14, a balance beam 15, an anti-lock hydraulic cylinder 16, a lifting hydraulic cylinder 17, a pin shaft 18 and a screw rod 19.
Detailed Description
The invention will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the invention and not limitation of the invention. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a balance beam replacement apparatus for a middle-sized steel roughing mill according to an embodiment of the present invention; FIG. 2 is a front view of a balance beam changing apparatus of a medium-sized steel roughing mill according to an embodiment of the present invention; FIG. 3 is a schematic view showing a balance beam replacement apparatus for a middle-sized steel roughing mill according to an embodiment of the present invention in a bottom view; FIG. 4 is a front view showing a balance beam replacement apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention in a use state; FIG. 5 is a side view of a balance beam changing apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention in a use state; FIG. 6 is a schematic view showing a balance beam replacement apparatus for a middle-sized steel roughing mill according to an embodiment of the present invention in a bottom view when in use; fig. 7 is a schematic structural view of a balance beam replacement apparatus for a medium-sized steel roughing mill according to an embodiment of the present invention in a top view when in use.
The invention discloses a balance beam replacement device of a profile steel roughing mill, which specifically comprises the following components:
The device body 1 which has the function of installing other components and can slide on the upper line guide rail of the rolling mill is preferably made of metal materials, such as cast iron, so that the structural strength of the device body 1 can be improved, and the device body 1 can provide reliable support when carrying heavy equipment. A plurality of rollers which are in rolling fit with the upper line guide rail are arranged on the lower side surface of the device body 1, and the upper side surface of the device body 1 is a mounting surface for mounting other components.
There is a lifting device 2 having a lifting function, and in a preferred embodiment of the present invention, the lifting device 2 is a lifting screw. Of course, in other embodiments of the present invention, the lifting device 2 may also be a hydraulic cylinder or an air cylinder.
Specifically, the lifting device 2 is fixedly arranged on a mounting surface, an assembly groove which is matched with the shape of the bottom end of the lifting device 2 is arranged on the mounting surface, and the lifting device 2 is clamped in the assembly groove, so that the mounting surface of the device body 1 is fixed.
The lifting device 2 is driven to move, and the driving device 3 is connected with the lifting device 2 in a power way. When the lifting device 2 is a lifting screw, the driving device 3 is a motor, the driving device 3 can output a rotational motion to the lifting device 2 through the transmission rod 11, and the lifting screw can convert the rotational motion into its own lifting motion. When the lifting device 2 is a cylinder or a hydraulic cylinder, the driving device 3 is an air source or a hydraulic source.
When the lifting device 2 is of a lifting screw structure design and two lifting devices 2 are arranged, the lifting devices 2 are linked through the transmission rod 11, and the driving device 3 is in power connection with the transmission rod 11.
The loading table 4 having a loading function for a component to be disassembled (a component to be disassembled from the roughing mill or a component to be assembled to the roughing mill) is preferably made of a metal material such as cast iron, since the loading table 4 directly contacts the component to be disassembled.
The carrying table 4 is installed above the device car body 1, and the lower side surface of the carrying table 4 is fixedly connected with the lifting device 2, so that the carrying table 4 can be driven to move up and down relative to the device car body 1 through the lifting device 2. The upper side of the carrying table 4 is a carrying surface, and the components to be disassembled and assembled are placed on the carrying surface.
The workbench 5 with the function of disassembling and assembling the pin shaft (specifically, the pin shaft 18 between the lifting hydraulic cylinder 17 and the balance beam 15) is used for knowing the lifting hydraulic cylinder 17 and the balance beam 15. In the invention, the workbench 5 is fixedly arranged on a bearing surface, and can be welded or fixedly connected through bolts.
A hollow space 14 is formed on the balance beam 15, and the workbench 5 is just positioned in the hollow space 14 when the balance beam 15 is borne on the bearing surface. The anti-lock hydraulic cylinder is also located in the hollow space 14 formed by the balance beam.
The workbench 5 has a certain height, an adjusting plate 6 is arranged at the upper part of the workbench 5, and a push rod 7 for pushing out a pin shaft 18 between a lifting hydraulic cylinder 17 and a balance beam 15 on the rolling mill is movably arranged on the adjusting plate 6.
In the present invention, the specific structure of the table 5 is as follows: the workbench 5 comprises a base body 12, the base body 12 is arranged on a bearing surface, the workbench 5 further comprises a protruding block 13, the protruding block 13 is arranged on the top surface of the base body 12, and an adjusting plate 6 is arranged on one side surface (the side surface perpendicular to the Y axis of the three-dimensional rectangular coordinate system) of the protruding block 13.
In order to be able to describe the table 5 more clearly and the structure of the components provided on the table 5, it is defined here that: the bearing surface is taken as an XY axis coordinate plane and a three-dimensional rectangular coordinate system is established, and a pin shaft 18 between a lifting hydraulic cylinder 17 and a balance beam 15 of the profile steel roughing mill is arranged along a Y axis of the three-dimensional rectangular coordinate system; the bearing table 4 can move along the Z axis of the three-dimensional rectangular coordinate system; a strip hole is formed in the adjusting plate 6 along the X axis of the three-dimensional rectangular coordinate system, and the adjusting plate is movably arranged on the workbench 5 through the strip hole; the ejector rod can axially move along the Y axis of the three-dimensional rectangular coordinate system on the adjusting plate 6. The elongated hole may be a rectangular hole or a rectangular hole, which is not limited in this embodiment.
Specifically, the ejector rod 7 is in threaded fit with the adjusting plate 6, one end of the ejector rod 7 is used for propping against the pin shaft 18, and the other end of the ejector rod 7 is provided with a knob, so that the ejector rod 7 can rotate conveniently.
The invention also provides a guide component on the installation surface of the device body 1, the guide component has the function of stabilizing the up-and-down motion of the lifting device 2, and simultaneously has the function of supporting the bearing table 4, and a plurality of fulcrums are provided for the bearing table 4 through the guide component so as to ensure that the bearing table can stably bear heavier components.
Specifically, the guiding assembly comprises a guiding sleeve 8, the guiding sleeve 8 is fixedly arranged on the installation surface of the device vehicle body 1, a guiding rod 9 is slidably arranged in the guiding sleeve 8, the sliding direction of the guiding rod 9 in the guiding sleeve 8 is parallel to the moving direction of the bearing table 4 relative to the vehicle body, and the guiding rod 9 is connected with the bearing table 4.
Specifically, the guide components are arranged in two, the two guide components are symmetrically arranged on two sides of the lifting device 2, and the guide components are symmetrically arranged, so that the stability of lifting action of the lifting device 2 can be further improved.
Specifically, the lifting device 2 comprises a lifting shaft, and a connecting rod 10 is fixedly arranged between the lifting shaft and the guide rod 9.
Specifically, one lifting device 2 is provided with at least one guide assembly and formed with one lifting unit; the lifting units are arranged in two, and the two lifting units are arranged on the mounting surface at intervals. The above interval arrangement specifically refers to: the two lifting units are respectively arranged on the device vehicle body 1 near two ends of the device vehicle body 1.
Based on the device for replacing the balance beam of the profile steel roughing mill, the invention also provides a method for replacing the balance beam of the profile steel roughing mill.
Specifically, in the method, the invention uses the section steel roughing mill balance beam replacement device for replacement.
The method comprises the following specific steps:
pushing the section steel roughing mill balance beam replacement device into a mill housing;
Starting a driving device 3 of a balance beam replacement device of the section steel roughing mill to enable a bearing table 4 to ascend;
Adjusting the ejector rod 7 of the balance beam replacement device of the profile steel roughing mill, aligning the ejector rod 7 with the pin shaft 18 between the lifting hydraulic cylinder 17 and the balance beam 15 on the mill, ejecting the pin shaft 18 by using the ejector rod 7, and then releasing the connection between the screw down screw 19 and the anti-lock hydraulic cylinder 16 on the mill;
The loading table 4 is lowered while the disassembled parts carried on the loading table 4 are dropped together with the loading table 4, and thereafter the section steel roughing mill balance beam replacement device is pulled out from the mill housing.
The invention discloses a balance beam replacement device of a section steel roughing mill, which is a device suitable for equipment replacement and maintenance of the inner space of a housing of the section steel roughing mill.
In the invention, the balance beam replacement device of the profile steel roughing mill comprises a vehicle body, a lifting device (lifting screw), a guide assembly (a guide sleeve 8, a guide rod 9 and a connecting rod 10), a bearing table 4, a workbench 5, an adjusting plate 6 and a push rod 7.
The working principle of the invention is as follows: the lifting devices are respectively arranged at the positions of the vehicle body close to the two ends of the vehicle body (on the mounting surface of the vehicle body), and are lifting screw rods. A transmission rod 11 is arranged between the lifting devices, and the transmission rod 11 realizes the linkage between the two lifting devices. One end of the vehicle body is provided with a driving device 3, the driving device 3 drives the transmission rod 11 to rotate, and the driving device is used for driving lifting screws on two sides of the transmission rod 11 to lift. The connecting rods 10 are arranged on two sides of the top end of the lifting screw, the connecting rods 10 are connected with the guide rods 9, and the guide rods 9 are arranged on the mounting surface through the guide sleeves 8, so that the stability of the lifting screw during operation can be improved. A bearing table 4 is arranged at the upper end of the lifting screw rod and is used for bearing the balance beam 15 which is disassembled and assembled. The workbench 5 is arranged on the bearing surface of the bearing table 4, two workbenches 5 are arranged, the adjusting plate 6 and the ejector rod 7 are arranged on the workbench 5, and the ejector rod 7 can be used for disassembling and assembling the pin shaft 18 for connecting the lifting hydraulic cylinder 17 and the balance beam 15 on the rolling mill through reasonable design of the installation position of the workbench 5 on the bearing surface. When the rolling mill works, the vehicle body is assembled, then the vehicle body is placed on a guide rail of the upper line of the rolling mill, and the vehicle body is pushed into the housing along the guide rail of the upper line of the rolling mill; after the car body is in place, starting a motor, driving a lifting screw rod to lift the bearing table 4 by the motor, enabling the bearing table 4 to contact with the bottom end of the balance beam 15 (a component part of a rolling mill) after being lifted, and then ejecting a pin shaft 18 between the lifting hydraulic cylinder 17 and the balance beam 15 by using an adjusting plate 6 and a push rod 7 on the workbench 5; then, the connection between the screw-down screw 19 of the rolling mill and the anti-lock hydraulic cylinder 16 of the rolling mill is released, and the balance beam 15 and the anti-lock hydraulic cylinder 16 are completely placed on the bearing table 4; finally, the lifting screw rod is lowered to lower the bearing table 4 to the lowest position, and then the car body is pulled out of the housing, so that the balance beam 15 is detached. The operation of attaching the balance beam 15 is reversed according to the above steps with reference to the above operation of detaching the balance beam 15.
The invention provides a balance beam replacement device of a profile steel roughing mill, which comprises the following operation steps:
Step one, the vehicle body is assembled, and the vehicle body is pushed into the housing along a guide rail of the upper line of the rolling mill;
Step two, after the trolley is in place, a motor drives a screw rod to lift the bearing table 4 to be in contact with the bottom end of the balance beam 15, then a pin shaft 18 between the lifting hydraulic cylinder 17 and the balance beam 15 is ejected out by utilizing an adjusting plate 6 and an ejector rod 7 on the workbench 5, and then the connection between the screw rod 19 and the anti-lock hydraulic cylinder 16 is released;
And thirdly, lowering the lifting screw rod to lower the bearing table 4 to the lowest position, and then pulling out the housing to finish the disassembly of the balance beam 15.
The invention discloses a balance beam replacement device of a section steel roughing mill and a balance beam replacement method of the section steel roughing mill. The invention provides a balance beam replacement device for a profile steel roughing mill, which comprises a device vehicle body 1, wherein a bearing table 4 is arranged on the device vehicle body 1 through a lifting device 2, a workbench 5 is arranged on the bearing table 4, a push rod 7 is arranged through the workbench 5, the structural dimensions of the workbench 5, an adjusting plate 6 and the push rod 7 are designed according to the structure of the profile steel roughing mill, so that the bearing table 4 is lifted and is contacted with the bottom end of a balance beam 15, in this state, the push rod 7 can be just opposite to a pin 18 between a lifting hydraulic cylinder 17 and the balance beam 15, the pin 18 can be ejected through rotating the push rod 7, the disassembly between the lifting hydraulic cylinder 17 and the balance beam 15 is realized, and then after the device vehicle body 1 is pulled out, the disassembled parts can be overhauled. The invention has reasonable structural design, can enter a narrow mill housing space, can complete the disassembly and the assembly of the upper part of the mill by adopting simpler operation, and is an overhaul platform suitable for overhaul and use in the mill housing.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A balance beam replacement device for a section steel roughing mill, comprising:
The device comprises a device body (1), wherein the upper side surface of the device body is a mounting surface;
the lifting device (2) is fixedly arranged on the mounting surface;
the driving device (3) is in power connection with the lifting device;
The bearing table (4) is arranged above the mounting surface and connected with the lifting device, and can move up and down relative to the device vehicle body through the lifting device;
the workbench (5) is arranged on the bearing surface, an adjusting plate (6) is arranged on the workbench, and a push rod (7) for pushing out a pin shaft (18) between a lifting hydraulic cylinder (17) and a balance beam of the profile steel roughing mill is movably arranged on the adjusting plate;
The mounting surface is provided with a guide assembly, the guide assembly comprises a guide sleeve (8), a guide rod (9) is slidably arranged in the guide sleeve, the sliding direction of the guide rod in the guide sleeve is parallel to the moving direction of the bearing table relative to the device vehicle body, and the guide rod is connected with the bearing table;
At least one guide component is correspondingly arranged on one lifting device, and a lifting unit is formed;
The lifting units are arranged in two, and the two lifting units are arranged on the mounting surface at intervals;
The lifting devices in the two lifting units are in linkage through a transmission rod (11), and the driving device is in power connection with the transmission rod;
in a three-dimensional rectangular coordinate system which is established by taking the bearing surface as an XY axis coordinate plane, a pin shaft between a lifting hydraulic cylinder of the profile steel roughing mill and a balance beam is arranged along a Y axis of the three-dimensional rectangular coordinate system;
the bearing table can move along the Z axis of the three-dimensional rectangular coordinate system;
The adjusting plate is provided with a strip hole along the X axis of the three-dimensional rectangular coordinate system, and the adjusting plate is movably arranged on the workbench through the strip hole;
the ejector rod can axially move along the Y axis of the three-dimensional rectangular coordinate system on the adjusting plate;
the workstation is located hollow space (14) below that the compensating beam formed includes:
a base (12) disposed on the bearing surface; and
The lug (13) is arranged on the top surface of the base body, and the regulating plate is arranged on the side surface of the lug perpendicular to the Y axis of the three-dimensional rectangular coordinate system.
2. The balance beam replacement device for a section steel roughing mill according to claim 1, wherein,
The two guide assemblies are symmetrically arranged on two sides of the lifting device.
3. The balance beam replacement device for a section steel roughing mill according to claim 1, wherein,
The lifting device comprises a lifting shaft, and a connecting rod (10) is fixedly arranged between the lifting shaft and the guide rod.
4. A balance beam changing device for a section steel roughing mill according to any one of claim 1 to 3,
The lifting device is a lifting screw rod;
The driving device is a motor;
the ejector rod is in threaded fit with the adjusting plate.
5. A method for replacing a balance beam of a profile steel roughing mill is characterized in that,
Replacement with the section steel roughing mill balance beam replacement device according to any one of claims 1 to 4;
the method comprises the following specific steps:
pushing the balance beam replacement device of the section steel roughing mill into a housing of the section steel roughing mill;
Starting the driving device to enable the bearing table to ascend until the bearing table contacts with the bottom end of the balance beam of the profile steel roughing mill;
The adjusting plate is adjusted, so that the ejector rod is aligned with a pin shaft between a lifting hydraulic cylinder and a balance beam of the section steel roughing mill, the pin shaft is ejected by the ejector rod, and then the connection between a pressing screw rod (19) and an anti-lock hydraulic cylinder (16) of the section steel roughing mill is released;
Lowering the bearing table, simultaneously lowering the detached balance beam (15) and the anti-lock hydraulic cylinder carried on the bearing table together with the bearing table, and then pulling out the section steel roughing mill balance beam replacement device from the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628932.3A CN110253493B (en) | 2019-07-12 | 2019-07-12 | Profile steel roughing mill balance beam replacement device and profile steel roughing mill balance beam replacement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628932.3A CN110253493B (en) | 2019-07-12 | 2019-07-12 | Profile steel roughing mill balance beam replacement device and profile steel roughing mill balance beam replacement method |
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| Publication Number | Publication Date |
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| CN110253493A CN110253493A (en) | 2019-09-20 |
| CN110253493B true CN110253493B (en) | 2024-06-07 |
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| CN201910628932.3A Active CN110253493B (en) | 2019-07-12 | 2019-07-12 | Profile steel roughing mill balance beam replacement device and profile steel roughing mill balance beam replacement method |
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| CN112476383A (en) * | 2020-11-25 | 2021-03-12 | 安徽信息工程学院 | Auxiliary tool for disassembling milling head of large floor type boring machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201200990Y (en) * | 2008-05-29 | 2009-03-04 | 山东石横特钢集团有限公司 | Platform for shaft-exchanging operation |
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| CN108580557A (en) * | 2018-01-26 | 2018-09-28 | 山东钢铁股份有限公司 | The provision for disengagement of roll bearing |
| CN210361134U (en) * | 2019-07-12 | 2020-04-21 | 山东钢铁股份有限公司 | Device is changed to shaped steel roughing mill compensating beam |
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| BR9506183A (en) * | 1995-12-28 | 1998-04-14 | Minas Gerais Siderurg | Device for changing the hydraulic cylinder (push-up) of a plate mill |
| CN108238573B (en) * | 2016-12-26 | 2019-06-25 | 宝山钢铁股份有限公司 | A kind of milling train is interior to promote track girder attaching/detaching apparatus and method |
| CN208613377U (en) * | 2018-07-18 | 2019-03-19 | 北京京诚之星科技开发有限公司 | A kind of working roll bearing block attaching/detaching apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1008944A (en) * | 1962-01-08 | 1965-11-03 | Davy & United Eng Co Ltd | Rolling mills horizontal-roll change |
| CN201200990Y (en) * | 2008-05-29 | 2009-03-04 | 山东石横特钢集团有限公司 | Platform for shaft-exchanging operation |
| CN102029291A (en) * | 2010-11-16 | 2011-04-27 | 中冶京诚工程技术有限公司 | Bowed roll block fast replacing device for rolling mill |
| CN108580557A (en) * | 2018-01-26 | 2018-09-28 | 山东钢铁股份有限公司 | The provision for disengagement of roll bearing |
| CN210361134U (en) * | 2019-07-12 | 2020-04-21 | 山东钢铁股份有限公司 | Device is changed to shaped steel roughing mill compensating beam |
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| Publication number | Publication date |
|---|---|
| CN110253493A (en) | 2019-09-20 |
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