CN112405281A - An H-beam R angle double-sided walking grinding device - Google Patents
An H-beam R angle double-sided walking grinding device Download PDFInfo
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- CN112405281A CN112405281A CN202011265317.XA CN202011265317A CN112405281A CN 112405281 A CN112405281 A CN 112405281A CN 202011265317 A CN202011265317 A CN 202011265317A CN 112405281 A CN112405281 A CN 112405281A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
本发明提供一种H型钢R角双侧行走修磨装置，包括：第一升降机构、两个第一修磨机构、第二升降机构、两个第二修磨机构；两个所述第一修磨机构与所述第一升降机构连接，所述第一升降机构能够将两个所述第一修磨机构提升或者降落；两个所述第二修磨机构与所述第二升降机构连接，所述第二升降机构能够将两个所述第二修磨机构提升或者降落；其中，所述第一修磨机构位于所述第二修磨机构的上方，所述第一修磨机构和所述第二修磨机构均用于修磨所述H型钢的R角，本发明通过第一修磨机构和第二修磨机构可以同时对H型钢的四个R角进行修磨，实现了对H型钢的R角的快速修磨，修磨质量好，节省了劳动力，提高了工作效率。
The invention provides an H-shaped steel R-angle double-sided walking grinding device, comprising: a first lifting mechanism, two first grinding mechanisms, a second lifting mechanism, and two second grinding mechanisms; The grinding mechanism is connected with the first lifting mechanism, and the first lifting mechanism can lift or lower the two first grinding mechanisms; the two second grinding mechanisms are connected with the second lifting mechanism , the second lifting mechanism can lift or lower the two second grinding mechanisms; wherein, the first grinding mechanism is located above the second grinding mechanism, and the first grinding mechanism and the The second grinding mechanism is used for grinding the R angle of the H-shaped steel. In the present invention, the first grinding mechanism and the second grinding mechanism can simultaneously grind the four R-angles of the H-shaped steel. The quick grinding of the R angle of the H-beam has good grinding quality, saving labor and improving work efficiency.
Description
Technical Field
The invention relates to the field of steel processing, in particular to a double-side walking grinding device for an R angle of H-shaped steel.
Background
After the H-shaped steel is produced, some defects such as iron scale accumulation or material accumulation exist in an R angle formed by a web plate and a flange of the H-shaped steel, the surface quality of the H-shaped steel is influenced, and the service performance of the H-shaped steel is also influenced by some defects, so that the H-shaped steel needs to be polished. In the prior art, manual hand-held electric tools are used for grinding, and the grinding efficiency and the grinding quality are not high, so that a device needs to be designed to improve the grinding quality.
Disclosure of Invention
The invention aims to provide a grinding device for R-angle double-side walking of H-shaped steel, and the grinding device is realized.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a two side walking grinding device in H shaped steel R angle, includes: the grinding machine comprises a first lifting mechanism, two first grinding mechanisms, a second lifting mechanism and two second grinding mechanisms; the two first grinding mechanisms are connected with the first lifting mechanism, and the first lifting mechanism can lift or drop the two first grinding mechanisms; the two second grinding mechanisms are connected with the second lifting mechanism, and the second lifting mechanism can lift or drop the two second grinding mechanisms; the first grinding mechanism is located above the second grinding mechanism, and the first grinding mechanism and the second grinding mechanism are both used for grinding the R angle of the H-shaped steel.
Further, in the above-described R-angle double-side traveling grinding device for H-section steel, the first grinding mechanism may be rotatable with respect to the first elevating mechanism, and the second grinding mechanism may be rotatable with respect to the second elevating mechanism.
Further, in the above-mentioned double-side traveling sharpening device for an R-angle of H-beam steel, the first elevating mechanism includes: the lifting device comprises two lifting platform bases, two lifting rods, a working beam and a hydraulic cylinder, wherein the two lifting rods are respectively inserted into the two lifting platform bases; one end of each lifting rod extends into the lifting platform base and can move relative to the lifting platform base, the two first grinding mechanisms are respectively connected to the two lifting rods, one lifting rod is connected with a first connecting plate, a piston rod of each hydraulic cylinder is connected with the first connecting plate, the piston rod of each hydraulic cylinder can stretch to drive the first connecting plate to lift, and the first connecting plate drives the lifting rods to move; and the other lifting rod is connected with a second connecting plate, and two ends of the working beam are respectively connected with the first connecting plate and the second connecting plate.
Further, the H-shaped steel R-angle double-side walking and grinding device further comprises two guide rods, the two guide rods are parallel to the lifting rod, guide holes are formed in the first connecting plate and the second connecting plate, and each guide rod is located in one guide hole; preferably, the first connecting plate and the second connecting plate are both provided with first trunnion seats, and two ends of the working beam are respectively connected with the two first trunnion seats; preferably one of said guide rods is located on one side of said work beam and the other of said guide rods is located on the other side of said work beam.
Further, in the above R-angle double-side walking grinding device for H-beam steel, the second lifting mechanism includes a height screw base and height screws, the height screws are disposed on the height screw base, and the two second grinding mechanisms are respectively connected to the two height screws.
Further, in the double-side walking and grinding device for the R angle of the H-shaped steel, the device further comprises a workbench, and the lifting platform base, the height screw rod base, the hydraulic cylinder and the guide rod are all arranged on the workbench.
Further, the double-side walking grinding device for the R angle of the H-shaped steel further comprises at least one centering mechanism, wherein the centering mechanism is arranged on the workbench and is used for centering and fixing the H-shaped steel; preferably, the centering mechanism comprises a fixed plate, the fixed plate is arranged on the workbench, movable centering guide wheel bases are arranged at two ends of the fixed plate, adjusting screw rods are arranged on the movable centering guide wheel bases, and movable centering guide wheels are connected to moving ends of the adjusting screw rods.
Further, in the above R-angle double-side walking and grinding device for H-beam, the first grinding mechanism includes a first connecting rod, a first wheel guard, a first motor and a first grinding wheel, one end of the first connecting rod is hinged to the lifting rod, the other end of the first connecting rod is provided with a mounting groove, the first wheel guard extends into the mounting groove, a first connecting member is arranged on a side wall of the mounting groove, the first connecting member is connected with the first wheel guard, the first motor is mounted on the first wheel guard, and an output end of the first motor is connected with the first grinding wheel so as to drive the first grinding wheel to rotate;
the second grinding mechanism comprises a second connecting rod, a second grinding wheel cover, a second motor and a second grinding wheel, one end of the second connecting rod is hinged to the height screw rod, mounting grooves are formed in the other two ends of the second connecting rod, the second grinding wheel cover extends into the mounting grooves, second connecting pieces are arranged on the side walls of the mounting grooves and connected with the second grinding wheel cover, the second motor is mounted on the second grinding wheel cover, and the output end of the second motor is connected with the second grinding wheel to drive the second grinding wheel to rotate.
Further, in the H-shaped steel R-angle double-side walking and grinding device, a second trunnion seat is arranged on the lifting rod and is hinged with the first connecting rod through a first fastening bolt; and the nut end of the height screw rod is provided with a hinged part, and the hinged part is hinged with the second connecting rod through a second fastening bolt.
Further, in the bilateral walking grinding device for the R angle of the H-shaped steel, the device further comprises a roller way, wherein the roller way is arranged on the workbench along the length direction of the workbench, and the H-shaped steel can move on the roller way.
The first grinding mechanism and the second grinding mechanism can grind four R corners of the H-shaped steel simultaneously, so that the R corners of the H-shaped steel can be quickly ground, the grinding quality is good, the labor force is saved, and the working efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural perspective view of an R-angle double-side walking grinding device for H-section steel according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a lifting rod, a second connecting plate and a second trunnion seat of the R-angle double-side walking grinding device for H-shaped steel according to an embodiment of the invention.
Fig. 3 is a schematic structural view of a height screw and a hinge of the R-angle double-side walking sharpening device for H-beam according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a lifting rod, a first connecting plate and a second trunnion seat of an R-angle double-side walking grinding device for H-shaped steel according to an embodiment of the invention.
Fig. 5 is a schematic structural view of a worktable of an R-angle double-side walking sharpening device for H-beam steel according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view illustrating a structure of a first grinding mechanism of the R-angle double-side traveling grinding device for H-shaped steel according to an embodiment of the present invention.
Fig. 7 is a schematic structural side view of a first grinding mechanism of the R-angle double-side traveling grinding device for H-section steel according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view illustrating a second grinding mechanism of the R-angle double-side traveling grinding device for H-beam steel according to an embodiment of the present invention.
Fig. 9 is a schematic structural side view of a second grinding mechanism of the R-angle double-side traveling grinding device for H-shaped steel according to an embodiment of the present invention.
Description of reference numerals: 1-a lifting platform base; 2-a lifting rod; 3-a working beam; 4-a hydraulic cylinder; 5-a first connection plate; 6-a second connecting plate; 7-a guide rod; 8-height screw base; 9-height screw; 10-a workbench; 11-a fixed plate; 12-adjusting the screw rod; 13-moving the centering guide wheel; 14-a first link; 15-a first wheel guard; 16-a first electric machine; 17-a first grinding wheel; 18-a second link; 19-a second wheel guard; 20-a second motor; 21-a second grinding wheel; 22-a second trunnion seat; 23-a hinge; 24-a roller bed; 25-a pilot hole; 26-first trunnion seat.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, 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 thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only 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 "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth" may be used interchangeably to distinguish one component from another and are not intended to denote the position or importance of the individual components.
As shown in fig. 1 to 9, according to an embodiment of the present invention, there is provided an R-angle double-side traveling grinding apparatus for H-section steel, including: the first grinding mechanism can lift or descend the first grinding mechanism, the second grinding mechanism is connected with the second lifting mechanism, the second grinding mechanism can lift or descend the second grinding mechanism, the first grinding mechanism is located above the second grinding mechanism, the first grinding mechanism and the second grinding mechanism are both used for grinding the R angle of the H-shaped steel, the two first grinding mechanisms are connected to the telescopic end of the first lifting mechanism, the first grinding mechanism can rotate relative to the first lifting mechanism, the two second grinding mechanisms are connected to the telescopic end of the second lifting mechanism, and the second grinding mechanism can rotate relative to the second lifting mechanism.
The first grinding mechanism can grind the upper flange of the H-shaped steel at an R angle, the R angle refers to the joint of a web plate and the flange of the H-shaped steel, the R angle can generate projections such as burrs after the H-shaped steel is processed, the burrs comprise iron oxide scale accumulation or material accumulation, the burrs need to be ground, the first grinding mechanism can grind two R angles at the upper flange of the H-shaped steel at two sides, the second grinding mechanism can grind two R angles at the lower flange of the H-shaped steel at two sides, so that the first grinding mechanism and the second grinding mechanism can grind the H-shaped steel with different models through one-time treatment, the first grinding mechanism can rotate relative to the first lifting mechanism, the second grinding mechanism can rotate relative to the second lifting mechanism, and the first lifting mechanism and the second lifting mechanism are matched, the universality of the device is improved.
Preferably, the first elevating mechanism includes: two elevating platform bases 1, peg graft respectively in two lifter 2 of two elevating platform bases 1, work roof beam 3 and pneumatic cylinder 4, the one end of lifter 2 stretches into in the elevating platform base 1, and lifter 2 can remove for elevating platform base 1, two first coping mechanisms are connected respectively on two lifter 2, be connected with first connecting plate 5 on the lifter 2, the piston rod and the first connecting plate 5 of pneumatic cylinder 4 are connected, when the piston rod of pneumatic cylinder 4 is flexible, lifter 2 can remove along with the piston rod of pneumatic cylinder 4, be connected with second connecting plate 6 on another lifter 2, the both ends of work roof beam 3 are connected with first connecting plate 5 and second connecting plate 6 respectively.
Preferably, the first connecting plate 5 and the second connecting plate 6 are both provided with a first trunnion seat 26, two ends of the working beam 3 are respectively connected with the two first trunnion seats 26, the lifting rod 2 is connected with the first connecting plate 5, a piston rod of the hydraulic cylinder 4 is connected with the first connecting plate 5, the piston rod of the hydraulic cylinder 4 can drive the first connecting plate 5 to ascend and descend when being stretched, the first connecting plate 5 drives the lifting rod to move, the hydraulic cylinder 4 and the first connecting plate 5 can be fixedly connected or hinged, the first connecting plate 5 and the corresponding lifting rod 2 are driven to move by stretching of the hydraulic cylinder 4, the second connecting plate 6 is driven to move by connecting the working beam 3 after the corresponding lifting rod 2 moves, the other lifting rod 2 is driven to move when the second connecting plate 6 moves, thereby realizing that the two lifting rods 2 are simultaneously controlled to ascend and descend by one hydraulic cylinder 4, and the hydraulic cylinder 4 is simple to control, the use process is stable and reliable.
Preferably, the lifting device further comprises two guide rods 7, the two guide rods 7 are parallel to the lifting rod 2, guide holes 25 are formed in the first connecting plate 5 and the second connecting plate 6, each guide rod 7 is located in one guide hole 25, the guide rods 7 can move along with the lifting rod 2, the lifting rod 2 is more stable when moving under the action of the guide rods 7, one guide rod 7 is located on one side of the working beam 3, the other guide rod 7 is located on the other side of the working beam 3, the guide rods 7 are arranged in a crossed mode relative to the working beam 3, when the first connecting plate 5 and the second connecting plate 6 move along with the working beam 3, stress of the two guide rods 7 is more balanced, and the stabilizing effect of the guide rods 7 is enhanced.
Preferably, the second lifting mechanism comprises a height screw base 8 and a height screw 9, the height screw 9 is arranged on the height screw base 8, the two second grinding mechanisms are respectively connected to the two height screws 9, and a user can control the height screw 9 to ascend and descend by operating the height screw 9, so that the second lifting mechanism ascends and descends.
Preferably, elevating platform base 1, high screw rod base 8, pneumatic cylinder 4 and guide bar 7 all locate on workstation 10, and workstation 10 provides the support basis for elevating platform base 1, high screw rod base 8, pneumatic cylinder 4 and guide bar 7 to convenient and user operates and processes H shaped steel.
Preferably, the centering device is arranged on the workbench 10 and used for centering the H-shaped steel, and the H-shaped steel on the workbench 10 can be kept at a position convenient for operators to operate through the centering device, so that the working efficiency is improved.
Preferably, centering mechanism includes fixed plate 11, fixed plate 11 is located on workstation 10, the both ends of fixed plate 11 all are equipped with removal centering guide wheel 13 base, be equipped with accommodate the lead screw 12 on removing centering guide wheel 13 base, be connected with removal centering guide wheel 13 on accommodate the lead screw 12's the removal end, it can control to remove centering guide wheel 13 and remove along the direction removal of the length of removing centering guide wheel 13 base to control accommodate the lead screw 12, can accomplish the centering of H shaped steel fixed through controlling the web that two removal centering guide wheels 13 pasted tight H shaped steel when using, and because remove centering guide wheel 13 adjustable in position, so centering mechanism can carry out the centering to the H shaped steel of different models fixed, make on-the-spot staff operation more convenient.
Preferably, the first grinding mechanism comprises a first connecting rod 14, a first grinding wheel cover 15, a first motor 16 and a first grinding wheel 17, one end of the first connecting rod 14 is hinged to the lifting rod 2, the other end of the first connecting rod 14 is provided with a mounting groove, the first grinding wheel cover 15 extends into the mounting groove, a first connecting piece is arranged on the side wall of the mounting groove and connected with the first grinding wheel cover 15, the first grinding wheel cover 15 extends into the mounting groove, the first connecting piece can be connected with the first grinding wheel cover 15 close to the center of the first grinding wheel 17, the connection stability of the first connecting rod 14 and the first grinding wheel cover 15 is further improved, the first grinding mechanism is more stable in operation, the first motor 16 is mounted on the first grinding wheel cover 15, the output end of the first motor 16 is connected with the first grinding wheel 17 to drive the first grinding wheel 17 to rotate, and the second grinding mechanism comprises a second connecting rod 18, a second grinding wheel 17, The grinding mechanism comprises a second grinding wheel cover 19, a second motor 20 and a second grinding wheel 21, one end of a second connecting rod 18 is hinged to the height screw rod 9, the other two ends of the second connecting rod 18 are provided with mounting grooves, the second grinding wheel cover 19 extends into the mounting grooves, the side wall of each mounting groove is provided with a second connecting piece, the second connecting pieces are connected with the second grinding wheel cover 19, the second grinding wheel cover 19 extends into the mounting grooves, the second connecting pieces can be connected with the second grinding wheel cover 19 close to the center of the second grinding wheel 21, the connection stability of the second connecting rod 18 and the second grinding wheel cover 19 is improved, the second grinding mechanism is stable in work, the second motor 20 is mounted on the second grinding wheel cover 19, and the output end of the second motor 20 is connected with the second grinding wheel 21 to drive the second grinding wheel 21 to rotate.
Preferably, be equipped with second trunnion seat 22 on the first lifter 2, second trunnion seat 22 is articulated with first connecting rod 14 through first fastening bolt, first connecting rod 14 passes through first fastening bolt and second trunnion seat 22 articulates the back, can make first connecting rod 14 rotate around second trunnion seat 22, after first connecting rod 14 rotated the angle of adjustment, screw up first fastening bolt both can fix the angle of first connecting rod 14 with second trunnion seat 22, the user just can change the position of first coping mechanism with the position of cooperation H shaped steel R angle through rotating first connecting rod 14. The nut end of the height screw rod 9 is provided with a hinge 23, and the hinge 23 is hinged with the second connecting rod 18 through a second fastening bolt. The second connecting rod 18 is connected with a hinge 23 on the height screw 9 through a second fastening bolt, so that the second connecting rod 18 can rotate around the hinge 23, after the second connecting rod 18 rotates and is adjusted to be at an angle, the second fastening bolt is screwed down, the angle between the second connecting rod 18 and the hinge 23 can be fixed, and a user can change the position of the second grinding mechanism by rotating the second connecting rod 18 to match the position of the R angle of the H-shaped steel.
Preferably, the H-shaped steel grinding machine further comprises a roller way 24, the roller way 24 is arranged on the workbench 10 along the length direction of the workbench 10, the H-shaped steel can move on the roller way 24, the H-shaped steel can conveniently move on the workbench 10 through the roller way 24, double-side grinding of the H-shaped steel in the walking process is achieved, and therefore the H-shaped steel grinding machine is convenient for a user to process.
The invention discloses a double-side walking grinding device for R corners of H-shaped steel, which is characterized in that when the device works, the H-shaped steel vertically runs on a roller way 24, so that the upper and lower 4R corners of the H-shaped steel can be ground, a first grinding mechanism and a second grinding mechanism are respectively arranged on a first lifting mechanism and a second lifting mechanism, the H-shaped steel is centered on a workbench 10 by moving a centering guide wheel 13, then the heights of upper and lower grinding wheel arms (a first connecting rod 14 and a second connecting rod 18) are adjusted by a hydraulic cylinder 4 and a height bolt, so that grinding wheels are in contact with the R corners of the H-shaped steel, and two first grinding wheels 17 and two second grinding wheels 21 can simultaneously grind the four R corners of the H-shaped steel, thereby quickly grinding the R corners of the H-shaped steel.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
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| CN202011265317.XA CN112405281A (en) | 2020-11-12 | 2020-11-12 | An H-beam R angle double-sided walking grinding device |
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| CN202011265317.XA CN112405281A (en) | 2020-11-12 | 2020-11-12 | An H-beam R angle double-sided walking grinding device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001312A (en) * | 2021-04-19 | 2021-06-22 | 山东钢铁股份有限公司 | F-shaped steel R angle grinding device |
| CN113001313A (en) * | 2021-04-21 | 2021-06-22 | 山东钢铁股份有限公司 | Joist steel R angle grinding device |
| CN113146403A (en) * | 2021-04-14 | 2021-07-23 | 山东钢铁股份有限公司 | B-type portal channel steel R angle grinding device |
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