CN113931021A - Grinding wheel for rail transit - Google Patents
Grinding wheel for rail transit Download PDFInfo
- Publication number
- CN113931021A CN113931021A CN202111246491.4A CN202111246491A CN113931021A CN 113931021 A CN113931021 A CN 113931021A CN 202111246491 A CN202111246491 A CN 202111246491A CN 113931021 A CN113931021 A CN 113931021A
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- Prior art keywords
- grinding wheel
- rail transit
- grinding
- center
- wall
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to the technical field of grinding wheels, and particularly relates to a grinding wheel for rail transit, which comprises a grinding head for mounting, wherein one end of the grinding head is hemispherical, a spherical cavity is formed in the center of the grinding head, and abdicating cavities which take the sphere center of the spherical cavity as an array center are formed in the periphery of the outer part of the spherical cavity; the inner wall of spherical cavity slides and has cup jointed the center location ball, the outside fixed surface of center location ball is connected with a host computer section of thick bamboo, the inside of a host computer section of thick bamboo is equipped with the driving source, the inner wall activity in the chamber of stepping down has cup jointed and is used for control the wabbler mechanism of host computer section of thick bamboo angle of adjustment. The grinding wheel for rail transit has the advantages that the whole grinding wheel has a three-dimensional angle adjusting effect, and the arc-shaped hydraulic cylinder is controlled to drive the main machine cylinder to perform three-dimensional angle adjustment by taking the center of the central positioning ball as a rotating center; through setting up spiral clamp, can make the tight piece that expands realize that the circular arc rotates and stretches out the effect of expanding tightly.
Description
Technical Field
The invention relates to the technical field of grinding wheels, in particular to a grinding wheel for rail transit.
Background
The grinding wheel is a bonded grinding tool with certain strength, which is formed by bonding ordinary abrasive materials into a certain shape (mostly circular, with a through hole in the center) by a bonding agent. It is generally composed of abrasive, bond and air holes, which are often referred to as the three elements of a bonded abrasive tool. According to different classes of binders, ceramic (binder) grinding wheels, resin (binder) grinding wheels, and rubber (binder) grinding wheels are common.
When the prior grinding wheel grinds a rail track of a track, the following defects are caused when the common grinding wheel is used for grinding due to the hard characteristic of the rail:
1. the existing rail surface is in a non-planar shape, while the planar shape of the grinding surface of the existing grinding wheel is easy to cause unqualified dimensional tolerance if the whole machine body is held by hand to control the grinding wheel to grind.
2. The rail is generally ground after being laid, and the completion of laying means that the rail is not movable and can be continuously ground only by the movement of the grinding wheel, while the grinding of the arc curved surface is difficult to realize by the plane type grinding wheel in the prior art.
Disclosure of Invention
Based on the technical problem that the existing plane type grinding wheel is difficult to grind a non-plane rail, the invention provides a grinding wheel for rail transit.
The invention provides a grinding wheel for rail transit, which comprises a grinding head used for installation, wherein one end of the grinding head is hemispherical, a spherical cavity is formed in the center of the grinding head, and abdicating cavities which take the sphere center of the spherical cavity as an array center are formed in the periphery of the outer part of the spherical cavity;
a central positioning ball is sleeved on the inner wall of the spherical cavity in a sliding manner, the outer surface of the central positioning ball is fixedly connected with a main machine barrel, a driving source is arranged in the main machine barrel, and a swing mechanism for controlling the main machine barrel to adjust the angle is movably sleeved on the inner wall of the abdicating cavity;
a spiral clamp is arranged at the outer end of the main machine cylinder and drives the expansion block to rotate and extend out to expand and grind the grinding wheel;
the outer surface of the grinding wheel is matched with the shapes of the surfaces of the two sides of the rail;
the grinding wheel comprises hard alloy particles and a graphene abrasive, the particle size of the hard alloy particles is 0.5-5 mm, and the hard alloy particles are placed into the graphene abrasive and stirred to form the composite abrasive.
Preferably, the wabbler mechanism includes that the activity cup joints the intracavity portion of stepping down changes the ball, the outside fixed surface who changes the ball installs the arc pneumatic cylinder, the piston rod of arc pneumatic cylinder with the surface fixed connection of host computer section of thick bamboo.
Through the technical scheme, the problem of action interference when the arc-shaped hydraulic cylinder can ensure the angle adjustment between the arc-shaped hydraulic cylinder and the arc-shaped hydraulic cylinder cannot occur.
Preferably, the driving source comprises motors distributed along the diameter direction of the grinding wheel, a sleeve is axially installed at the end face of the outer end of the main machine barrel through a bearing, and the motor drives the sleeve to rotate through a bevel gear set.
Through above-mentioned technical scheme, radially set up the motor, can reduce installation space, guarantee compact structure reasonable, a small amount of volume that occupies for whole equipment volume reduces, convenient operation.
Preferably, a linear hydraulic cylinder is fixedly mounted at the axis of the inner wall of the main machine cylinder through a square plate, and a piston rod of the linear hydraulic cylinder realizes telescopic control through an end face bearing to push and pull the spiral clamp in the axial direction.
Through above-mentioned technical scheme, the piston rod of sharp pneumatic cylinder passes through end face bearing, not only can realize the connection of push-and-pull, can also prevent to drive the drawback that the piston rod rotated together when spiral clamp rotates.
Preferably, the spiral clamp comprises a pull rod, a spiral driving groove is formed in the outer surface of the pull rod, the inner end of the pull rod is connected with a piston rod of the linear hydraulic cylinder in a rotating mode through an end face bearing, a linear key groove is formed in the outer end surface of the pull rod, and a linear key strip fixedly connected with the inner wall of the outer end of the sleeve is inserted into the inner wall of the linear key groove in a sliding mode.
Through above-mentioned technical scheme, set up the slip grafting of sharp keyway and sharp key strip, can guarantee that the pull rod keeps the action of sharp push-and-pull all the time.
Preferably, the gear ring is rotatably mounted on the inner side wall of the outer end of the sleeve, the inner wall of the gear ring is fixedly connected with a spiral strip with the same pitch as the spiral driving groove, and the pull rod drives the gear ring to rotate circumferentially through the spiral strip when pushed and pulled along the axis of the pull rod.
Through the technical scheme, the linear action of the pull rod is converted into the circumferential rotation action of the gear ring by utilizing the spiral driving force of the spiral driving groove and the spiral strip.
Preferably, the inside wall of the sleeve pipe is rotatably connected with an arc rotating part through a rotating shaft, and the bottom end of the arc rotating part is fixedly provided with a semicircular gear meshed with the outer surface of the gear ring.
Through the technical scheme, the gear ring with a large gear ratio and the semicircular gear are meshed for transmission, so that the gear ring only needs to rotate at a small angle, and the semicircular gear can be driven to rotate at a large angle to stretch out.
Preferably, the outer end of the circular arc rotating piece is hinged to the expansion block, the gear ring is meshed to drive the semicircular gear to rotate, the semicircular gear drives the circular arc rotating piece to extend out in a rotating mode, and the expansion block expands the grinding wheel.
Through above-mentioned technical scheme, utilize the high transmission efficiency between the gear to guarantee that the circular arc rotates the piece and rotates and stretch out the accurate effective control.
Preferably, the outer surface of the grinding wheel is in a semi-circular H-shaped shape or a full-circular H-shaped shape.
Through the technical scheme, the shape of the grinding wheel is improved according to the shape of the rail, and the grinding efficiency is improved.
Preferably, the grinding wheel further comprises phenolic resin powder, corundum abrasive and silicon carbide abrasive, and then the phenolic resin powder, the corundum abrasive and the silicon carbide abrasive are stirred with the composite abrasive to form the grinding wheel, wherein the outer diameter of the grinding wheel is 100-500 mm, and the thickness of the grinding wheel is 1-6 mm.
Through the technical scheme, the grinding effect of the grinding wheel can be improved according to the actual grinding requirement of the rail by the aid of the composite grinding material.
The beneficial effects of the invention are as follows:
1. through setting up wabbler mechanism, can make whole grinding wheel have three-dimensional angle adjustment effect, drive the main frame section of thick bamboo through controlling arc pneumatic cylinder and carry out three-dimensional angle adjustment's effect as the center of rotation along the centre of sphere of center location ball.
2. Through setting up spiral clamp, can make the tight piece that expands realize that the circular arc rotates and stretches out the effect of expanding tightly.
3. The composite grinding material is formed by placing the hard alloy particles into the graphene grinding material and stirring the hard alloy particles, the components of the existing grinding wheel can be adjusted according to the actual hard characteristics of the rail, and the hard alloy particles are wrapped by the high toughness and the high thermal conductivity of the graphene grinding material and then added into the components of the existing grinding wheel, so that the rail grinding effect of the hard alloy is realized.
Drawings
Fig. 1 is a schematic view of a grinding wheel for rail transit according to the present invention;
FIG. 2 is a perspective view of a grinding head structure of a grinding wheel for rail transit according to the present invention;
FIG. 3 is a perspective view of a motor structure driving sleeve structure of a grinding wheel for rail transit according to the present invention;
FIG. 4 is a perspective view of a grinding wheel structure and a sleeve structure of the grinding wheel for rail transit according to the present invention;
FIG. 5 is a perspective view of a tie bar structure of a grinding wheel for rail transit according to the present invention;
FIG. 6 is a perspective view of a circular arc rotating member of the grinding wheel for rail transit according to the present invention;
FIG. 7 is a front sectional view of a grinding wheel for rail transit, which is in a H-shaped semicircular arc shape, of the grinding wheel provided by the invention;
fig. 8 is a front sectional view of a grinding wheel full-circular i-shaped grinding wheel of the grinding wheel for rail transit provided by the invention.
In the figure: 1. grinding the head; 2. a central positioning ball; 21. rotating the ball; 22. an arc-shaped hydraulic cylinder; 3. a main machine barrel; 31. a motor; 32. a sleeve; 33. a linear hydraulic cylinder; 34. a bevel gear set; 4. expanding and tightening blocks; 41. a pull rod; 42. a helical drive groove; 43. a linear keyway; 44. a linear key bar; 45. a gear ring; 46. a helical strip; 47. a circular arc rotating member; 48. a semi-circular gear; 49. a rotating shaft; 5. and grinding the grinding wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, a grinding wheel for rail transit;
in order to realize the installation operation, the grinding head comprises a grinding head 1 for installation, wherein one end of the grinding head 1 is hemispherical, a spherical cavity is formed in the center of the grinding head, and abdicating cavities which take the sphere center of the spherical cavity as an array center are formed in the periphery of the outer part of the spherical cavity;
in order to realize that grinding head 1 has the effect of the three-dimensional angle regulation in space the inner wall of spherical cavity slides and has cup jointed central location ball 2, the outside fixed surface of central location ball 2 is connected with a host computer section of thick bamboo 3, the inside of a host computer section of thick bamboo 3 is equipped with the driving source, the inner wall activity in the chamber of stepping down has cup jointed and is used for control the wabbler mechanism of 3 angle regulations of a host computer section of thick bamboo.
Further, in order to realize the stability of space solid angle regulation, wabbler mechanism cup joints including the activity the intracavity portion of stepping down changes ball 21, the outside fixed surface of changeing ball 21 installs arc pneumatic cylinder 22, arc pneumatic cylinder 22's piston rod with the outer fixed surface of host computer section of thick bamboo 3 is connected. The arc-shaped hydraulic cylinders 22 can ensure that the problem of motion interference when the angle between the arc-shaped hydraulic cylinders is adjusted does not occur.
Through setting up wabbler mechanism, can make whole grinding wheel 5 have three-dimensional angle adjustment effect, drive the main frame section of thick bamboo 3 through controlling arc pneumatic cylinder 22 and carry out three-dimensional angle adjustment's effect along the centre of sphere of central location ball 2 as the center of rotation.
Further, for reasonable installation of a driving source, the driving source comprises motors 31 distributed along the diameter direction of the grinding wheel 5, and the types of the motors 31 can be selected according to actual conditions; the outer end face of the main machine cylinder 3 is axially provided with a sleeve 32 through a bearing, and the motor 31 drives the sleeve 32 to rotate through a bevel gear set 34.
The motor 31 is radially arranged, so that the mounting space can be reduced, the compact and reasonable structure is ensured, and a small amount of occupied volume is ensured, so that the volume of the whole equipment is reduced, and the operation is convenient.
Further, in order to realize powerful and accurate control of the push-pull action, a linear hydraulic cylinder 33 is fixedly installed at the axis of the inner wall of the main barrel 3 through a square plate, and a piston rod of the linear hydraulic cylinder 33 realizes telescopic control of the spiral clamp to push and pull along the axial direction through an end face bearing.
The piston rod of the linear hydraulic cylinder 33 can realize push-pull connection through the end face bearing, and the defect that the piston rod is driven to rotate together when the spiral clamp rotates can be avoided.
A spiral clamp is arranged at the outer end of the main machine barrel 3, and the spiral clamp drives the expansion block 4 to rotate and extend out to expand and grind the grinding wheel 5;
the outer surface of the grinding wheel 5 is matched with the shapes of the surfaces of two sides of the rail;
in order to grind the surface of the rail better and faster, the grinding wheel 5 comprises hard alloy particles and graphene abrasive materials, the particle size of the hard alloy particles is 0.5mm-5mm, and the hard alloy particles are placed into the graphene abrasive materials and stirred to form the composite abrasive materials.
The hard alloy has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness and wear resistance, basically keeps unchanged even at the temperature of 500 ℃, has very high hardness at the temperature of 1000 ℃, and can enable the grinding wheel to have the hardness and wear resistance required by cutting when applied to a cutting grinding wheel.
Meanwhile, graphene has very good heat conduction performance. The pure defect-free single-layer graphene has the thermal conductivity coefficient as high as 5300W/mK, is the carbon material with the highest thermal conductivity coefficient, and is higher than that of a single-wall carbon nanotube (3500W/mK) and a multi-wall carbon nanotube (3000W/mK). When it is used as carrier, its thermal conductivity can be up to 600W/mK. In addition, the lower limit of the ballistic thermal conductivity of the carbon nanotubes with unit circumference and length can be lowered by the ballistic thermal conductivity of the graphene, and the arrangement of the material can enable the grinding wheel to have good heat conducting performance.
Further, in order to realize the action of synchronous arc stretching and expanding the grinding wheel 5, the spiral clamp comprises a pull rod 41, a spiral driving groove 42 is formed in the outer surface of the pull rod 41, the spiral driving groove 42 can be set to be a large pitch to ensure smooth action, the inner end of the pull rod 41 is rotatably connected with a piston rod of the linear hydraulic cylinder 33 through an end face bearing, a linear key groove 43 is formed in the outer end surface of the pull rod 41, and a linear key strip 44 fixedly connected with the inner wall of the outer end of the sleeve 32 is inserted into the inner wall of the linear key groove 43 in a sliding mode. The linear key groove 43 is arranged to be inserted in the linear key strip 44 in a sliding manner, so that the pull rod 41 can be ensured to always keep linear pushing and pulling actions.
Further, a gear ring 45 is rotatably mounted on the inner side wall of the outer end of the sleeve 32, a spiral strip 46 having the same pitch as the spiral driving groove 42 is fixedly connected to the inner wall of the gear ring 45, and the pull rod 41 drives the gear ring 45 to rotate circumferentially through the spiral strip 46 when pushed or pulled along the axis thereof. The linear motion of the tie rod 41 is converted into the circumferential rotational motion of the gear ring 45 by the screw driving force of the screw driving groove 42 and the screw 46.
Further, the inside wall of sleeve 32 rotates through pivot 49 and is connected with circular arc rotation piece 47, the bottom fixed mounting of circular arc rotation piece 47 with the surface engagement's of gear circle 45 semicircle gear 48. By utilizing the meshing transmission of the gear ring 45 with a large gear ratio and the semicircular gear 48, the gear ring 45 only needs to rotate by a small angle to drive the semicircular gear 48 to rotate by a large angle to extend.
Further, the outer end of the circular arc rotating piece 47 is hinged to the expanding block 4, the gear ring 45 is meshed in a rotating mode to drive the semicircular gear 48 to rotate, the circular arc rotating piece 47 is driven by the semicircular gear 48 to extend out in a rotating mode, and the expanding block 4 expands the grinding wheel 5. The high transmission efficiency between the gears is utilized to ensure that the arc rotating piece 47 can accurately and effectively control the rotation and extension.
Through setting up screw anchor clamps, can make bloated tight piece 4 realize that the circular arc rotates and stretches out the effect of bloated tightly.
Further, the outer surface of the grinding wheel 5 is in a half-arc I-shaped shape or a full-arc I-shaped shape. Aiming at the shape of the rail, the shape of the grinding wheel 5 is improved, and the grinding efficiency is improved.
Furthermore, the grinding wheel 5 further comprises phenolic resin powder, corundum abrasive and silicon carbide abrasive, and then the phenolic resin powder, the corundum abrasive and the silicon carbide abrasive are mixed with the composite abrasive to prepare the grinding wheel 5, wherein the outer diameter of the grinding wheel 5 is 100-500 mm, and the thickness of the grinding wheel 5 is 1-6 mm.
The arrangement of the composite abrasive can improve the grinding effect of the grinding wheel 5 according to the actual grinding requirement of the rail.
The composite grinding material is formed by placing the hard alloy particles into the graphene grinding material and stirring the hard alloy particles, the components of the existing grinding wheel can be adjusted according to the actual hard characteristics of the rail, and the hard alloy particles are wrapped by the high toughness and the high thermal conductivity of the graphene grinding material and then added into the components of the existing grinding wheel, so that the rail grinding effect of the hard alloy is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A grinding wheel for rail transit, comprising a grinding head (1) for mounting, characterized in that: one end of the grinding head (1) is hemispherical, a spherical cavity is formed in the center of the semi-spherical grinding head, and abdicating cavities which take the spherical center of the spherical cavity as an array center are formed in the periphery of the outer part of the spherical cavity;
a central positioning ball (2) is sleeved on the inner wall of the spherical cavity in a sliding manner, the outer surface of the central positioning ball (2) is fixedly connected with a main machine barrel (3), a driving source is arranged inside the main machine barrel (3), and a swing mechanism for controlling the main machine barrel (3) to adjust the angle is movably sleeved on the inner wall of the abdicating cavity;
a spiral clamp is arranged at the outer end of the main machine cylinder (3), and the spiral clamp drives the expansion block (4) to rotate and extend out to expand the grinding wheel (5);
the outer surface of the grinding wheel (5) is matched with the shapes of the surfaces of two sides of the rail;
the grinding wheel (5) comprises hard alloy particles and graphene abrasive materials, the particle size of the hard alloy particles is 0.5-5 mm, and the hard alloy particles are placed into the graphene abrasive materials and stirred to form the composite abrasive materials.
2. A grinding wheel (5) for rail transit according to claim 1, characterized in that: the swing mechanism comprises a rotating ball (21) movably sleeved in the abdicating cavity, an arc-shaped hydraulic cylinder (22) is fixedly mounted on the outer surface of the rotating ball (21), and a piston rod of the arc-shaped hydraulic cylinder (22) is fixedly connected with the outer surface of the main machine cylinder (3).
3. A grinding wheel (5) for rail transit according to claim 1, characterized in that: the driving source comprises motors (31) distributed along the diameter direction of the grinding wheel (5), a sleeve (32) is axially installed at the end face of the outer end of the main machine cylinder (3) through a bearing, and the motors (31) drive the sleeve (32) to rotate through bevel gear sets (34).
4. A grinding wheel (5) for rail transit according to claim 3, characterized in that: the inner wall axle center department of host computer section of thick bamboo (3) has sharp pneumatic cylinder (33) through square board fixed mounting, the piston rod of sharp pneumatic cylinder (33) realizes flexible control through the end face bearing spiral clamp pushes and pulls along the axis direction.
5. A grinding wheel (5) for rail transit according to claim 4, characterized in that: the spiral clamp comprises a pull rod (41), a spiral driving groove (42) is formed in the outer surface of the pull rod (41), the inner end of the pull rod (41) is rotatably connected with a piston rod of a linear hydraulic cylinder (33) through an end face bearing, a linear key groove (43) is formed in the outer end surface of the pull rod (41), and a linear key strip (44) fixedly connected with the inner wall of the outer end of the sleeve (32) is inserted into the inner wall of the linear key groove (43) in a sliding mode.
6. A grinding wheel (5) for rail transit according to claim 5, characterized in that: the outer end inner side wall of the sleeve (32) is rotatably provided with a gear ring (45), the inner wall of the gear ring (45) is fixedly connected with a spiral strip (46) with the same pitch as the spiral driving groove (42), and the pull rod (41) is driven by the spiral strip (46) to rotate circumferentially when pushed and pulled along the axis of the pull rod.
7. A grinding wheel (5) for rail transit according to claim 6, characterized in that: the inside wall of sleeve pipe (32) rotates through pivot (49) and is connected with the circular arc and rotates piece (47), the circular arc rotate the bottom fixed mounting of piece (47) have with the surface engagement's of gear circle (45) semicircle gear (48).
8. A grinding wheel (5) for rail transit according to claim 7, characterized in that: the outer end of the circular arc rotating piece (47) is hinged to the expansion block (4), the gear ring (45) is meshed in a rotating mode to drive the semicircular gear (48) to rotate, and the semicircular gear (48) drives the circular arc rotating piece (47) to extend in a rotating mode, so that the expansion block (4) expands tightly to the grinding wheel (5).
9. A grinding wheel (5) for rail transit according to claim 1, characterized in that: the outer surface of the grinding wheel (5) is in a semi-circular H-shaped shape or a full-circular H-shaped shape.
10. A grinding wheel (5) for rail transit according to claim 1, characterized in that: the grinding wheel (5) also comprises phenolic resin powder, corundum abrasive and silicon carbide abrasive, and then the grinding wheel (5) is prepared by stirring the phenolic resin powder, the corundum abrasive and the silicon carbide abrasive with composite abrasive, wherein the outer diameter of the grinding wheel (5) is 100-500 mm, and the thickness of the grinding wheel is 1-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246491.4A CN113931021B (en) | 2021-10-26 | 2021-10-26 | Grinding wheel for rail transit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246491.4A CN113931021B (en) | 2021-10-26 | 2021-10-26 | Grinding wheel for rail transit |
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| Publication Number | Publication Date |
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| CN113931021A true CN113931021A (en) | 2022-01-14 |
| CN113931021B CN113931021B (en) | 2023-05-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786098A (en) * | 2014-01-10 | 2014-05-14 | 当涂县南方红月磨具磨料有限公司 | Graphene-containing ceramic white fused alumina abrasive wheel |
| CN107553356A (en) * | 2017-10-23 | 2018-01-09 | 长沙长泰机器人有限公司 | A kind of skive |
| CN109669179A (en) * | 2019-02-16 | 2019-04-23 | 李志城 | A kind of field detection radar |
| CN110255877A (en) * | 2019-06-30 | 2019-09-20 | 东莞市佰荣森机械设备有限公司 | A kind of high-accuracy glass, which is cut, breaks integral type cutter head |
| CN210588593U (en) * | 2019-09-30 | 2020-05-22 | 南通海润机床有限公司 | Spherical grinding wheel head structure for grinding machine |
-
2021
- 2021-10-26 CN CN202111246491.4A patent/CN113931021B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786098A (en) * | 2014-01-10 | 2014-05-14 | 当涂县南方红月磨具磨料有限公司 | Graphene-containing ceramic white fused alumina abrasive wheel |
| CN107553356A (en) * | 2017-10-23 | 2018-01-09 | 长沙长泰机器人有限公司 | A kind of skive |
| CN109669179A (en) * | 2019-02-16 | 2019-04-23 | 李志城 | A kind of field detection radar |
| CN110255877A (en) * | 2019-06-30 | 2019-09-20 | 东莞市佰荣森机械设备有限公司 | A kind of high-accuracy glass, which is cut, breaks integral type cutter head |
| CN210588593U (en) * | 2019-09-30 | 2020-05-22 | 南通海润机床有限公司 | Spherical grinding wheel head structure for grinding machine |
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| CN113931021B (en) | 2023-05-09 |
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