CN110026863B - Helicopter rotor grinding device - Google Patents

Helicopter rotor grinding device Download PDF

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Publication number
CN110026863B
CN110026863B CN201910364530.7A CN201910364530A CN110026863B CN 110026863 B CN110026863 B CN 110026863B CN 201910364530 A CN201910364530 A CN 201910364530A CN 110026863 B CN110026863 B CN 110026863B
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CN
China
Prior art keywords
clamping
cavity
grinding
power
polishing
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Application number
CN201910364530.7A
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Chinese (zh)
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CN110026863A (en
Inventor
不公告发明人
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Yiwu Guoxin land planning Consulting Co., Ltd
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Yiwu Guoxin Land Planning Consulting Co Ltd
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Application filed by Yiwu Guoxin Land Planning Consulting Co Ltd filed Critical Yiwu Guoxin Land Planning Consulting Co Ltd
Priority to CN201910364530.7A priority Critical patent/CN110026863B/en
Publication of CN110026863A publication Critical patent/CN110026863A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/14Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0015Hanging grinding machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

Abstract

The invention discloses a helicopter rotor wing polishing device which comprises a fixed base, wherein a polishing machine body is arranged on the fixed base in a left-right sliding manner, a polishing device is arranged in the polishing machine body in a rotating manner, the polishing device comprises a polishing block and a polishing spline shaft, the polishing block is fixedly arranged at the tail end of the bottom of the polishing spline shaft, a polishing power cavity is arranged in the polishing machine body, and a polishing spline sleeve is arranged in the polishing power cavity in a rotating manner; this equipment is more reasonable and ingenious on overall structure, and it is all very convenient to install, maintain and overhaul, and this equipment precision of polishing is high, and can slide to the right side automatically, guarantees rotor axial and polishes degree of depth evenly distributed, improves work efficiency, reduces the degree of dependence to workman's experience, improves the machining efficiency, and this equipment has efficient degree of automation in the use, has higher use and spreading value.

Description

Helicopter rotor grinding device
Technical Field
The invention relates to the field of rotor processing, in particular to a helicopter rotor polishing device.
Background
With the development of society, the development of helicopter is constantly promoted, wherein the rotor is as the lift part of helicopter, and the surface of rotor needs to satisfy the aerodynamic structure, consequently, need polish the rotor surface after the rotor processing, reduces rotor air resistance.
At present, most helicopter rotors are polished in a manual mode, polishing treatment is carried out, the processing quality of the rotors seriously depends on the working experience of workers, the manual polishing efficiency is low, and the cost is higher.
Therefore, there is a need for further improvements in prior art rotor grinding devices to improve rotor grinding efficiency.
Disclosure of Invention
The invention aims to provide a helicopter rotor wing polishing device which can overcome the defects in the prior art and improve the rotor wing polishing work efficiency.
The helicopter rotor wing polishing device comprises a fixed base, a polishing machine body is arranged on the fixed base in a left-right sliding mode, a polishing device is arranged in the polishing machine body in a rotating mode, the polishing device comprises a polishing block and a polishing spline shaft, the polishing block is fixedly arranged at the tail end of the bottom of the polishing spline shaft, a polishing power cavity is arranged in the polishing machine body, a polishing spline sleeve is arranged in the polishing power cavity in a rotating mode, the polishing spline sleeve is connected with the polishing spline shaft through spline power, a guide head is arranged at the bottom of the polishing power cavity, a guide rack is arranged in the polishing power cavity in a sliding mode, the guide head is fixedly arranged on the end wall of the bottom of the guide rack, a power mechanism is arranged between the guide rack and the polishing spline shaft and drives the polishing block to slide up and down along with the polishing, wherein the driving device comprises a driving motor and a main power shaft, a main power cavity is arranged in the fixed base, the main power shaft is rotatably arranged in the main power cavity, the left end of the main power shaft is in power connection with the driving motor fixedly arranged in the left end wall of the main power cavity, a transmission mechanism is arranged between the driving device and the polishing device to drive the polishing block to rotate, the polishing device is provided with a clamping mechanism, the clamping mechanism comprises a clamping rotating block and a clamping sliding cavity arranged in the clamping rotating block, clamping components are symmetrically arranged in the clamping sliding cavity up and down, each clamping component comprises a clamping sliding block arranged in the clamping sliding cavity, a clamping traction block sliding left and right is arranged in the clamping sliding cavity, and a clamping connecting rod extending up and down is arranged in the clamping sliding cavity, the tail end of the top of the clamping connecting rod is hinged to the end wall of the bottom of the clamping sliding block, the tail end of the bottom of the clamping connecting rod is hinged to the end wall of the top of the clamping traction block, a transmission mechanism is arranged between the clamping mechanism and the driving device, and drives the clamping component to clamp the helicopter rotor and drive the clamping rotation block to rotate.
Specifically, a clamping power cavity is arranged in the fixed base, a clamping screw rod extending leftwards and rightwards is arranged between the clamping power cavity and the clamping sliding cavity, clamping threads matched with the clamping screw rod are arranged in the clamping traction block, a clamping driven belt wheel is fixedly arranged at the tail end of the left side of the clamping screw rod in the clamping power cavity, a clamping power shaft extending leftwards and rightwards is rotatably arranged in the clamping power cavity, a clamping driving belt wheel is fixedly arranged at the tail end of the left side of the clamping power shaft, a clamping power belt is arranged between the clamping driving belt wheel and the clamping driven belt wheel in a transmission manner, a clamping input bevel gear is fixedly arranged on the end wall of the outer side of the clamping power shaft in the clamping power cavity, a power switching cavity is arranged in the wall of the rear side end of the clamping power cavity, and a clamping transmission shaft extending forwards and backwards is, a clamping transmission gear is fixedly arranged at the rear end of a clamping transmission shaft in the power switching cavity, a clamping transmission bevel gear is fixedly arranged on the clamping transmission shaft in the clamping power cavity, the clamping transmission bevel gear is engaged with the clamping input bevel gear, a main power cavity is arranged in the rear end wall of the power switching cavity, a comprehensive power spline shaft extending forwards and backwards is rotatably arranged between the power switching cavity and the main power cavity, a comprehensive power bevel gear is fixedly arranged at the rear end of the comprehensive power spline shaft in the main power cavity, a main power bevel gear is fixedly arranged at the right end of the main power shaft in the main power cavity, the main power bevel gear is engaged with the comprehensive power bevel gear, a switching spline housing is arranged in the power switching cavity, and the switching spline housing is in spline power connection with the comprehensive power spline shaft, the tail end of the front side of the switching spline sleeve is fixedly provided with a comprehensive switching gear, and the comprehensive switching gear is separated from the clamping transmission gear in a matched mode, so that the driving clamping mechanism is facilitated to clamp the helicopter rotor.
Specifically, a polishing sliding groove is arranged in the right side end wall of the main power cavity, the polishing machine body is arranged in the polishing sliding groove in a sliding manner, a left polishing transmission cavity is arranged in the left side end wall of the polishing sliding groove, a polishing power spline shaft extending leftwards and rightwards is arranged between the left polishing transmission cavity and the polishing sliding groove in a rotating manner, a polishing input bevel gear is fixedly arranged at the left side end of the polishing power spline shaft in the left polishing transmission cavity, a polishing output shaft extending forwards and backwards is rotatably arranged between the left polishing transmission cavity and the main power cavity, a polishing transmission bevel gear is fixedly arranged at the rear side end of the polishing output shaft in the left polishing transmission cavity, the polishing transmission bevel gear is meshed with the polishing input bevel gear, a polishing output bevel gear is fixedly arranged at the front side end of the polishing output shaft in, the grinding output bevel gear is meshed with the main power bevel gear, a right grinding transmission cavity is arranged in the grinding machine body, a grinding spline sleeve is rotatably arranged in the right grinding transmission cavity, the grinding spline sleeve is in spline power connection with the grinding power spline shaft, a right grinding transmission bevel gear is fixedly arranged on the outer side end wall of the grinding spline sleeve, an upper grinding transmission cavity is arranged in the top end wall of the right grinding transmission cavity, a vertically extending longitudinal grinding transmission shaft is rotatably arranged between the upper grinding transmission cavity and the right grinding transmission cavity, a lower grinding transmission bevel gear is fixedly arranged at the bottom tail end of the longitudinal grinding transmission shaft in the right grinding transmission cavity, the lower grinding transmission bevel gear is meshed with the right grinding transmission bevel gear, and an upper grinding transmission bevel gear is fixedly arranged at the top tail end of the longitudinal grinding transmission shaft in the upper grinding transmission cavity, the transmission cavity of polishing on with polish between the power cavity rotate be provided with the horizontal transmission shaft of polishing that extends around, on polish in the transmission cavity the transmission shaft rear end of polishing transversely is fixed and is provided with the transmission bevel gear of polishing after, polish in the power cavity the transmission bevel gear of polishing before the transmission shaft front end of polishing transversely is fixed and is provided with, polish in the power cavity polish on the spline housing outside end wall fixedly be provided with polish input bevel gear, polish input bevel gear with before polish transmission bevel gear meshing, be favorable to the drive the piece of polishing begins to rotate, polishes helicopter rotor.
Specifically, a lower guide rotating shaft extending forwards and backwards is arranged in the polishing power cavity in a rotating manner, a guide gear is fixedly arranged at the tail end of the rear side of the lower guide rotating shaft, the guide gear is meshed with the guide rack, a guide driving pulley is fixedly arranged at the tail end of the front side of the lower guide rotating shaft, an upper guide rotating shaft extending forwards and backwards is arranged in the polishing power cavity in a rotating manner, a guide driven pulley is fixedly arranged at the tail end of the front side of the upper guide rotating shaft, a guide power belt is arranged between the guide driven pulley and the guide driving pulley in a transmission manner, a reel is fixedly arranged at the tail end of the rear side of the upper guide rotating shaft, an auxiliary wheel is arranged in the polishing power cavity in a rotating manner, a polishing rotating block is arranged on the end wall at the top, the guide driving rope with the auxiliary wheel cooperation is favorable to according to rotor surface height automatic change sanding block height of polishing, when avoiding the rotor to rotate, sanding block causes the damage to the rotor.
Preferably, a clamping rotation power shaft extending left and right is rotatably arranged in the clamping power cavity, a clamping rotation driving pulley is fixedly arranged at the tail end of the left side of the clamping rotation power shaft, a clamping rotation driven pulley is fixedly arranged at the tail end of the left side of the clamping rotation block in the clamping power cavity, a clamping rotation power belt is arranged between the clamping rotation driven pulley and the clamping rotation driving pulley in a transmission manner, a clamping rotation input bevel gear is fixedly arranged on the end wall of the outer side of the clamping rotation power shaft in the clamping power cavity, a clamping rotation output shaft extending front and back is rotatably arranged between the clamping power cavity and the power switching cavity, a clamping rotation transmission bevel gear is fixedly arranged at the tail end of the front side of the clamping rotation output shaft in the clamping power cavity, and the clamping rotation transmission bevel gear is meshed with the clamping rotation input bevel, the tail end of the rear side of the clamping rotating output shaft in the power switching cavity is fixedly provided with a clamping rotating input gear, and the clamping rotating input gear is meshed with the comprehensive switching gear, so that the clamping rotating block can be driven to rotate slowly.
Specifically, be provided with the switching sliding tray in the power switching chamber bottom end wall, the gliding switching permanent magnet slider that is provided with around in the switching sliding tray, switching permanent magnet slider front side end wall with switching sliding tray front side end wall between elasticity is provided with the switching reset spring, switching sliding tray front side end wall internal fixation is provided with the switching electro-magnet, the gliding L type that is provided with in power switching chamber switches the connecting rod, L type switch the connecting rod with switch the spline housing and rotate and connect, L type switch the connecting rod front side end wall with switch permanent magnet slider rear side end wall fixed connection, be favorable to switching the operating condition of centre gripping rotor.
Preferably, a walking belt cavity is arranged in the end wall of the right side of the clamping power cavity, a walking driving pulley is fixedly arranged on the end wall of the outer side of the clamping rotating power shaft in the walking belt cavity, a walking control cavity is arranged in the end wall of the left side of the walking belt cavity, a walking input shaft extending left and right is rotatably arranged between the walking control cavity and the walking belt cavity, a walking driven pulley is fixedly arranged at the tail end of the right side of the walking input shaft in the walking belt cavity, a walking power belt is arranged between the walking driven pulley and the walking driving pulley in a transmission manner, a walking elastic gear is rotatably arranged at the tail end of the left side of the walking input shaft in the walking control cavity, an elastic cavity is arranged in the walking elastic gear, a clockwork spring is elastically arranged between the end wall of the inner side of the elastic cavity and the end wall of the, the walking control cavity is internally provided with a control gear lever, the front end of the control gear lever is hinged with the front end wall of the walking control cavity, the control gear lever is matched with the stop block, a control spring is elastically arranged between the control gear lever and the front end wall of the walking control cavity, the walking control cavity is rotatably provided with a walking screw rod extending left and right between the polishing sliding grooves, the right end of the walking screw rod in the walking control cavity is fixedly provided with a walking input gear, the walking input gear is meshed with the walking elastic gear, and the polishing machine body is internally fixedly provided with a walking thread matched with the walking screw rod, so that the polishing machine body can slide left and right.
The invention has the beneficial effects that: this equipment is more reasonable and ingenious on overall structure, and it is all very convenient to install, maintain and overhaul, and this equipment precision of polishing is high, and can slide to the right side automatically, guarantees rotor axial and polishes degree of depth evenly distributed, improves work efficiency, reduces the degree of dependence to workman's experience, improves the machining efficiency, and this equipment has efficient degree of automation in the use, has higher use and spreading value.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a helicopter rotor grinding apparatus of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 3;
fig. 5 is a schematic view of the structure of the traveling elastic gear of fig. 3.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
As shown in fig. 1-5, the helicopter rotor grinding device according to the present invention includes a fixed base 157, a grinding machine body 111 is disposed on the fixed base 157 in a sliding manner from left to right, a grinding device is rotatably disposed in the grinding machine body 111, the grinding device includes a grinding block 131 and a grinding spline shaft 124, the grinding block 131 is fixedly disposed at the bottom end of the grinding spline shaft 124, a grinding power cavity 126 is disposed in the grinding machine body 111, a grinding spline housing 149 is rotatably disposed in the grinding power cavity 126, the grinding spline housing 149 is connected to the grinding spline shaft 124 through spline power, a guide head 125 is disposed at the bottom of the grinding power cavity 126, a guide rack 121 is slidably disposed in the grinding power cavity 126, the guide head 125 is fixedly disposed on the bottom end wall of the guide rack 121, and a power mechanism is disposed between the guide rack 121 and the grinding spline shaft 124, the polishing device is provided with a clamping mechanism, the clamping mechanism comprises a clamping rotating block 135 and a clamping sliding cavity 150 arranged in the clamping rotating block 135, clamping parts are symmetrically arranged in the clamping sliding cavity 150 up and down, and the clamping parts comprise clamping sliding blocks 127 arranged in the clamping sliding cavity 150, the helicopter rotor wing clamping device is characterized in that a clamping traction block 129 sliding left and right is arranged in the clamping sliding cavity 150, a clamping connecting rod 128 extending up and down is arranged in the clamping sliding cavity 150, the top end of the clamping connecting rod 128 is hinged to the bottom end wall of the clamping sliding block 127, the bottom end of the clamping connecting rod 128 is hinged to the top end wall of the clamping traction block 129, a transmission mechanism is arranged between the clamping mechanism and the driving device, and drives the clamping component to clamp a helicopter rotor wing and drive the clamping rotation block 135 to rotate.
In the following, a specific implementation manner for implementing the clamping mechanism will be described in detail, wherein a clamping power cavity 136 is disposed in the fixing base 157, a clamping screw 132 extending left and right is disposed between the clamping power cavity 136 and the clamping sliding cavity 150, a clamping thread 130 cooperating with the clamping screw 132 is disposed in the clamping traction block 129, a clamping driven pulley 134 is fixedly disposed at a left end of the clamping screw 132 in the clamping power cavity 136, a clamping power shaft 144 extending left and right is rotatably disposed in the clamping power cavity 136, a clamping driving pulley 143 is fixedly disposed at a left end of the clamping power shaft 144, a clamping power belt 138 is disposed between the clamping driving pulley 143 and the clamping driven pulley 134 in a transmission manner, a clamping input bevel gear 146 is fixedly disposed on an outer end wall of the clamping power shaft 144 in the clamping power cavity 136, a power switching cavity 199 is arranged in the rear end wall of the clamping power cavity 136, a clamping transmission shaft 200 extending back and forth is rotatably arranged between the power switching cavity 199 and the clamping power cavity 136, a clamping transmission gear 181 is fixedly arranged at the rear end of the clamping transmission shaft 200 in the power switching cavity 199, a clamping transmission bevel gear 145 is fixedly arranged on the clamping transmission shaft 200 in the clamping power cavity 136, the clamping transmission bevel gear 145 is engaged with the clamping input bevel gear 146, a main power cavity 177 is arranged in the rear end wall of the power switching cavity 199, a comprehensive power spline shaft 179 extending back and forth is rotatably arranged between the power switching cavity 199 and the main power cavity 177, a comprehensive power bevel gear 178 is fixedly arranged at the rear end of the comprehensive power spline shaft 179 in the main power cavity 177, and a main power bevel gear 176 is fixedly arranged at the right end of the main power shaft 175 in the main power cavity 177, the main power bevel gear 176 is meshed with the comprehensive power bevel gear 178, a switching spline housing 192 is arranged in the power switching cavity 199, the switching spline housing 192 is in power connection with the comprehensive power spline shaft 179 through splines, a comprehensive switching gear 193 is fixedly arranged at the tail end of the front side of the switching spline housing 192, and the comprehensive switching gear 193 is separated from the clamping transmission gear 181, so that the driving clamping mechanism is driven to clamp a helicopter rotor.
Next, referring to fig. 1-4, a grinding sliding groove 191 is formed in a right end wall of the main power cavity 177, the grinding body 111 is slidably disposed in the grinding sliding groove 191, a left grinding transmission cavity 169 is formed in a left end wall of the grinding sliding groove 191, a grinding power spline shaft 167 extending left and right is rotatably disposed between the left grinding transmission cavity 169 and the grinding sliding groove 191, a grinding input bevel gear 170 is fixedly disposed at a left end of the grinding power spline shaft 167 in the left grinding transmission cavity 169, a grinding output shaft 172 extending front and back is rotatably disposed between the left grinding transmission cavity 169 and the main power cavity 177, a grinding transmission bevel gear 171 is fixedly disposed at a rear end of the grinding output shaft 172 in the left grinding transmission cavity 169, and the grinding transmission bevel gear 171 is engaged with the grinding input bevel gear 170, a grinding output bevel gear 174 is fixedly arranged at the tail end of the front side of the grinding output shaft 172 in the main power cavity 177, the grinding output bevel gear 174 is meshed with the main power bevel gear 176, a right grinding transmission cavity 168 is arranged in the grinding machine body 111, a grinding spline housing 166 is rotatably arranged in the right grinding transmission cavity 168, the grinding spline housing 166 is in spline power connection with the grinding power spline shaft 167, a right grinding transmission bevel gear 165 is fixedly arranged on the outer side end wall of the grinding spline housing 166, an upper grinding transmission cavity 160 is arranged in the top end wall of the right grinding transmission cavity 168, a vertical grinding transmission shaft 163 extending up and down is rotatably arranged between the upper grinding transmission cavity 160 and the right grinding transmission cavity 168, and a lower grinding transmission bevel gear 164 is fixedly arranged at the tail end of the bottom of the vertical grinding transmission shaft 163 in the right grinding transmission cavity 168, the lower grinding transmission bevel gear 164 is meshed with the right grinding transmission bevel gear 165, the top end of the longitudinal grinding transmission shaft 163 in the upper grinding transmission cavity 160 is fixedly provided with an upper grinding transmission bevel gear 162, a transverse grinding transmission shaft 159 extending back and forth is rotatably arranged between the upper grinding transmission cavity 160 and the grinding power cavity 126, the rear end of the transverse grinding transmission shaft 159 in the upper grinding transmission cavity 160 is fixedly provided with a rear grinding transmission bevel gear 161, the front end of the transverse grinding transmission shaft 159 in the grinding power cavity 126 is fixedly provided with a front grinding transmission bevel gear 158, the outer end wall of the grinding spline sleeve 149 in the grinding power cavity 126 is fixedly provided with a grinding input bevel gear 122, the grinding input bevel gear 122 is meshed with the front grinding transmission bevel gear 158, so as to facilitate driving the grinding block 131 to rotate, and (5) polishing the helicopter rotor.
Next, referring to fig. 1-4, a transmission mechanism between the guide head 125 and the grinding block 131 will be described in detail, wherein a lower guide rotating shaft 119 extending back and forth is rotatably disposed in the grinding power cavity 126, a guide gear 120 is fixedly disposed at a rear end of the lower guide rotating shaft 119, the guide gear 120 is engaged with the guide rack 121, a guide driving pulley 118 is fixedly disposed at a front end of the lower guide rotating shaft 119, an upper guide rotating shaft 116 extending back and forth is rotatably disposed in the grinding power cavity 126, a guide driven pulley 115 is fixedly disposed at a front end of the upper guide rotating shaft 116, a guide power belt 117 is disposed between the guide driven pulley 115 and the guide driving pulley 118, a reel 114 is fixedly disposed at a rear end of the upper guide rotating shaft 116, and an auxiliary pulley 112 is rotatably disposed in the grinding power cavity 126, the internal rotation of integral key shaft 124 top end wall of polishing is provided with the turning block 123 of polishing, polish turning block 123 with the transmission is provided with guide driving rope 113 between the reel 114, guide driving rope 113 with auxiliary wheel 112 cooperates, is favorable to according to rotor surface height automatic change polishing block 131 height of polishing, when avoiding the rotor to rotate, polishing block 131 causes the damage to the rotor.
Advantageously, referring to fig. 1 to 4, the turning mechanism of the present application is described in detail, wherein a clamping turning power shaft 140 extending left and right is rotatably disposed in the clamping power cavity 136, a clamping turning driving pulley 139 is fixedly disposed at the left end of the clamping turning power shaft 140, a clamping turning driven pulley 133 is fixedly disposed at the left end of the clamping turning block 135 in the clamping power cavity 136, a clamping turning power belt 137 is disposed between the clamping turning driven pulley 133 and the clamping turning driving pulley 139, a clamping turning input bevel gear 142 is fixedly disposed on the outer side end wall of the clamping turning power shaft 140 in the clamping power cavity 136, a clamping turning output shaft 182 extending back and forth is rotatably disposed between the clamping power cavity 136 and the power switching cavity 199, a clamping turning transmission bevel gear 141 is fixedly disposed at the front end of the clamping turning output shaft 182 in the clamping power cavity 136, the holding rotation transmission bevel gear 141 is engaged with the holding rotation input bevel gear 142, a holding rotation input gear 180 is fixedly arranged at the rear end of the holding rotation output shaft 182 in the power switching cavity 199, and the holding rotation input gear 180 is engaged with the comprehensive switching gear 193, so that the holding rotation block 135 is driven to rotate slowly.
Next, referring to fig. 1 to 4, a switching device of the clamping mechanism of the present application is described in detail, wherein a switching sliding groove 196 is disposed in a bottom end wall of the power switching cavity 199, a switching permanent magnet sliding block 195 is disposed in the switching sliding groove 196 in a forward and backward sliding manner, a switching return spring 197 is elastically disposed between a front end wall of the switching permanent magnet sliding block 195 and a front end wall of the switching sliding groove 196, a switching electromagnet 198 is fixedly disposed in the front end wall of the switching sliding groove 196, an L-shaped switching link 194 is slidably disposed in the power switching cavity 199, the L-shaped switching link 194 is rotatably connected to the switching spline housing 192, and a front end wall of the L-shaped switching link 194 is fixedly connected to a rear end wall of the switching permanent magnet sliding block 195, which is favorable for switching an operating state of the clamping rotating block 135.
Advantageously, the sliding apparatus of the present application is described in detail with reference to fig. 1 to 5, wherein a walking belt cavity 148 is disposed in a right end wall of the clamping power cavity 136, a walking driving pulley 147 is fixedly disposed on an outer end wall of the clamping rotating power shaft 140 in the walking belt cavity 148, a walking control cavity 183 is disposed in a left end wall of the walking belt cavity 148, a walking input shaft 188 extending left and right is rotatably disposed between the walking control cavity 183 and the walking belt cavity 148, a walking driven pulley 189 is fixedly disposed at a right end of the walking input shaft 188 in the walking belt cavity 148, a walking power belt 190 is disposed between the walking driven pulley 189 and the walking driving pulley 147 in a transmission manner, a walking elastic gear 187 is rotatably disposed at a left end of the walking input shaft 188 in the walking control cavity 183, an elastic cavity 201 is disposed in the walking elastic gear 187, a clockwork 202 is elastically arranged between the end wall of the inner side of the elastic cavity 201 and the end wall of the outer side of the walking input shaft 188, a stop 203 is fixedly arranged on the end wall of the left side of the walking elastic gear 187, a control stop rod 204 is arranged in the walking control cavity 183, the tail end of the front side of the control stop rod 204 is hinged with the front side end wall of the walking control cavity 183, the control stop rod 204 is matched with the stop 203, a control spring 205 is elastically arranged between the control stop rod 204 and the front side end wall of the walking control cavity 183, a walking screw 185 extending leftwards and rightwards is rotatably arranged between the walking control cavity 183 and the grinding sliding groove 191, a walking input gear 184 is fixedly arranged at the tail end of the right side of the walking screw 185 in the walking control cavity 183, the walking input gear 184 is engaged with the walking elastic gear 187, and a walking thread 186 matched with the walking screw 185 is fixedly, it is beneficial to drive the grinding machine body 111 to slide left and right.
The applicant will now describe in detail the steps of use of the grinding rotor with reference to the accompanying figures 1-5 and to the specific composition of a helicopter rotor grinding device of the present application described above: firstly, in an initial state, the clamping traction block 129 is maximally positioned at the right side of the clamping sliding cavity 150, the clamping sliding block 127 is maximally positioned at the outer side of the clamping sliding cavity 150, the switching electromagnet 198 is electrified, the switching permanent magnet sliding block 195 is maximally positioned at the front side of the switching sliding groove 196, the comprehensive switching gear 193 is meshed with the clamping transmission gear 181, and the stopper 203 is matched with the control gear lever 204;
when the device is used, the driving motor 173 starts to work, the driving motor 173 drives the main power shaft 175 to rotate, the main power shaft 175 drives the main power bevel gear 176 to rotate, the main power bevel gear 176 drives the comprehensive power bevel gear 178 to rotate, the comprehensive power bevel gear 178 drives the comprehensive power spline shaft 179 to rotate, the comprehensive power spline shaft 179 drives the switching spline housing 192 to rotate, the switching spline housing 192 drives the comprehensive switching gear 193 to rotate, the comprehensive switching gear 193 drives the clamping transmission gear 181 to rotate, the clamping transmission gear 181 drives the clamping transmission shaft 200 to rotate, the clamping transmission shaft 200 drives the clamping transmission bevel gear 145 to rotate, the clamping transmission bevel gear 145 drives the clamping input bevel gear 146 to rotate, and the clamping input bevel gear 146 drives the clamping power shaft 144 to rotate, the clamping power shaft 144 drives the clamping driving pulley 143 to rotate, the clamping driving pulley 143 drives the clamping driven pulley 134 to rotate, the clamping driven pulley 134 drives the clamping screw 132 to rotate, the clamping screw 132 drives the clamping traction block 129 to slide to the left, the clamping traction block 129 drives the clamping connecting rod 128 to slide downwards, the clamping connecting rod 128 drives the clamping sliding block 127 to slide towards the center, the upper and lower clamping sliding blocks 127 clamp the helicopter rotor, the switching electromagnet 198 is powered off, the switching permanent magnet sliding block 195 slides towards the rear side, the switching permanent magnet sliding block 195 drives the L-shaped switching connecting rod 194 to slide towards the rear side, the L-shaped switching connecting rod 194 drives the switching spline sleeve 192 to slide towards the rear side, and the switching spline sleeve 192 drives the comprehensive switching gear 193 to slide towards the rear side, the comprehensive switching gear 193 is engaged with the grip rotation input gear 180, the comprehensive switching gear 193 drives the grip rotation input gear 180 to rotate, the grip rotation input gear 180 drives the grip rotation output shaft 182 to rotate, the grip rotation output shaft 182 drives the grip rotation transmission bevel gear 141 to rotate, the grip rotation transmission bevel gear 141 drives the grip rotation input bevel gear 142 to rotate, the grip rotation input bevel gear 142 drives the grip rotation power shaft 140 to rotate, the grip rotation power shaft 140 drives the grip rotation driving pulley 139 to rotate, the grip rotation driving pulley 139 drives the grip rotation driven pulley 133 to rotate, the grip rotation driven pulley 133 drives the grip rotation block 135 to rotate, the grip rotation block 135 drives the helicopter rotor to rotate slowly, and at the same time, the main power bevel gear 176 drives the grinding output bevel gear 174 to rotate, the grinding output bevel gear 174 drives the grinding output shaft 172 to rotate, the grinding output shaft 172 drives the grinding transmission bevel gear 171 to rotate, the grinding transmission bevel gear 171 drives the grinding input bevel gear 170 to rotate, the grinding input bevel gear 170 drives the grinding power spline shaft 167 to rotate, the grinding power spline shaft 167 drives the grinding spline housing 166 to rotate, the grinding spline housing 166 drives the right grinding transmission bevel gear 165 to rotate, the right grinding transmission bevel gear 165 drives the lower grinding transmission bevel gear 164 to rotate, the lower grinding transmission bevel gear 164 drives the longitudinal grinding transmission shaft 163 to rotate, the longitudinal grinding transmission shaft 163 drives the upper grinding transmission bevel gear 162 to rotate, and the upper grinding transmission bevel gear 162 drives the rear grinding transmission bevel gear 161 to rotate, the rear grinding transmission bevel gear 161 drives the transverse grinding transmission shaft 159 to rotate, the transverse grinding transmission shaft 159 drives the front grinding transmission bevel gear 158 to rotate, the front grinding transmission bevel gear 158 drives the grinding input bevel gear 122 to rotate, the grinding input bevel gear 122 drives the grinding spline housing 149 to rotate, the grinding spline housing 149 drives the grinding spline shaft 124 to rotate, the grinding spline shaft 124 drives the grinding block 131 to rotate, meanwhile, the guide head 125 is matched with the surface of the helicopter rotor, the guide head 125 is driven to slide up and down in the slow rotation process of the helicopter rotor, the guide head 125 drives the guide rack 121 to slide up and down, the guide rack 121 drives the guide gear 120 to rotate, the guide gear 120 drives the lower guide rotating shaft 119 to rotate, and the lower guide rotating shaft 119 drives the guide driving pulley 118 to rotate, the guide driving pulley 118 drives the guide driven pulley 115 to rotate, the guide driven pulley 115 drives the upper guide rotating shaft 116 to rotate, the upper guide rotating shaft 116 drives the reel 114 to rotate, the reel 114 drives the polishing rotating block 123 to slide up and down, the polishing rotating block 123 drives the polishing spline shaft 124 to slide up and down, so that the polishing block 131 polishes the surface of the rotor, meanwhile, the clamping rotating power shaft 140 drives the walking driving pulley 147 to rotate, the walking driving pulley 147 drives the walking driven pulley 189 to rotate, the walking driven pulley 189 drives the walking input shaft 188 to rotate, the elastic potential energy of the clockwork spring 202 is increased, when the surface of the area is polished, the elastic potential energy of the clockwork spring 202 is greater than that of the control spring 205, and the stopper 203 is disengaged from the control lever 204, the walking elastic gear 187 rotates under the action of elastic potential energy of the spring 202, the walking elastic gear 187 drives the walking input gear 184 to rotate, the walking input gear 184 drives the walking screw 185 to rotate, the walking screw 185 drives the grinding machine body 111 to slide towards the right side, the grinding block 131 continuously grinds the surface of the rotor, when the grinding machine body 111 is located on the right side of the grinding sliding groove 191 to the maximum extent, the helicopter rotor is ground completely, and the driving motor 173 stops working.
From the above detailed analysis it can be seen that: because utilize bilateral symmetry structure, with helicopter rotor both ends difference centre gripping fixed, avoid forming the cantilever beam, cause a large amount of deformations, reduce the error of polishing to utilize the seeker to control the high position of polishing piece, guarantee polishing piece and rotor surface relative position's stability, guarantee the degree of depth of polishing.
Therefore, the method is more reasonable and ingenious in overall structure, installation, maintenance and overhaul are all very convenient, the polishing precision of the equipment is high, the equipment can automatically slide to the right side, the axial polishing depth of the rotor wing is uniformly distributed, the working efficiency is improved, the dependence degree on the experience of workers is reduced, the processing benefit is improved, the equipment has high-efficiency automation degree in the use process, and the equipment has high use and popularization values.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (7)

1. A helicopter rotor wing polishing device comprises a fixed base, a polishing machine body is arranged on the fixed base in a left-right sliding mode, and the helicopter rotor wing polishing device is characterized in that the polishing machine body is internally and rotatably provided with a polishing device, the polishing device comprises a polishing block and a polishing spline shaft, the polishing block is fixedly arranged at the tail end of the bottom of the polishing spline shaft, a polishing power cavity is arranged in the polishing machine body, a polishing spline sleeve is rotatably arranged in the polishing power cavity, the polishing spline sleeve is connected with the polishing spline shaft through spline power, the bottom of the polishing power cavity is provided with a guide head, a guide rack is arranged in the polishing power cavity in a sliding mode, the guide head is fixedly arranged on the end wall of the bottom of the guide rack, a power mechanism is arranged between the guide rack and the polishing spline shaft and drives the polishing block to follow, the polishing device is provided with a clamping mechanism, the clamping mechanism comprises a clamping rotating block and a clamping sliding cavity arranged in the clamping rotating block, clamping sliding blocks are symmetrically arranged in the clamping sliding cavity up and down, clamping components comprise clamping sliding blocks arranged in the clamping sliding cavity, clamping traction blocks sliding left and right are arranged in the clamping sliding cavity, and a clamping connecting rod extending up and down is arranged in the clamping sliding cavity, the tail end of the top of the clamping connecting rod is hinged to the end wall of the bottom of the clamping sliding block, the tail end of the bottom of the clamping connecting rod is hinged to the end wall of the top of the clamping traction block, a transmission mechanism is arranged between the clamping mechanism and the driving device, and drives the clamping component to clamp the helicopter rotor and drive the clamping rotation block to rotate.
2. The helicopter rotor grinding device of claim 1, wherein a clamping power cavity is provided in the fixed base, a clamping screw rod extending left and right is provided between the clamping power cavity and the clamping sliding cavity, a clamping screw thread matching with the clamping screw rod is provided in the clamping traction block, a clamping driven pulley is fixedly provided at the left end of the clamping screw rod in the clamping power cavity, a clamping power shaft extending left and right is rotatably provided in the clamping power cavity, a clamping driving pulley is fixedly provided at the left end of the clamping power shaft, a clamping power belt is provided between the clamping driving pulley and the clamping driven pulley in a transmission manner, a clamping input bevel gear is fixedly provided on the outer end wall of the clamping power shaft in the clamping power cavity, a power switching cavity is provided in the rear end wall of the clamping power cavity, a clamping transmission shaft extending forwards and backwards is rotatably arranged between the power switching cavity and the clamping power cavity, a clamping transmission gear is fixedly arranged at the rear end of the clamping transmission shaft in the power switching cavity, a clamping transmission bevel gear is fixedly arranged on the clamping transmission shaft in the clamping power cavity, the clamping transmission bevel gear is meshed with the clamping input bevel gear, a main power cavity is arranged in the rear end wall of the power switching cavity, a comprehensive power spline shaft extending forwards and backwards is rotatably arranged between the power switching cavity and the main power cavity, a comprehensive power bevel gear is fixedly arranged at the rear end of the comprehensive power spline shaft in the main power cavity, a main power bevel gear is fixedly arranged at the right end of the main power shaft in the main power cavity, the main power bevel gear is meshed with the comprehensive power bevel gear, and a switching spline sleeve is arranged in the power switching cavity, the switching spline housing with synthesize the power integral key shaft and pass through spline power connection, switching spline housing front side end is fixed and is provided with synthesizes the switching gear, synthesize the switching gear with centre gripping transmission gear breaks away from the cooperation, is favorable to driving clamping mechanism and presss from both sides tight helicopter rotor.
3. The helicopter rotor grinding device according to claim 1 or 2, wherein a grinding sliding groove is provided in the right side end wall of the main power cavity, the grinding body is slidably disposed in the grinding sliding groove, a left grinding transfer cavity is provided in the left side end wall of the grinding sliding groove, a grinding power spline shaft extending left and right is rotatably provided between the left grinding transfer cavity and the grinding sliding groove, a grinding input bevel gear is fixedly provided at the left side end of the grinding power spline shaft in the left grinding transfer cavity, a grinding output shaft extending front and back is rotatably provided between the left grinding transfer cavity and the main power cavity, a grinding transfer bevel gear is fixedly provided at the rear end of the grinding output shaft in the left grinding transfer cavity, the grinding transfer bevel gear is engaged with the grinding input bevel gear, and a grinding output bevel gear is fixedly provided at the front end of the grinding output shaft in the main power cavity, the grinding output bevel gear is meshed with the main power bevel gear, a right grinding transmission cavity is arranged in the grinding machine body, a grinding spline sleeve is rotatably arranged in the right grinding transmission cavity, the grinding spline sleeve is in spline power connection with the grinding power spline shaft, a right grinding transmission bevel gear is fixedly arranged on the outer side end wall of the grinding spline sleeve, an upper grinding transmission cavity is arranged in the top end wall of the right grinding transmission cavity, a vertically extending longitudinal grinding transmission shaft is rotatably arranged between the upper grinding transmission cavity and the right grinding transmission cavity, a lower grinding transmission bevel gear is fixedly arranged at the bottom tail end of the longitudinal grinding transmission shaft in the right grinding transmission cavity, the lower grinding transmission bevel gear is meshed with the right grinding transmission bevel gear, and an upper grinding transmission bevel gear is fixedly arranged at the top tail end of the longitudinal grinding transmission shaft in the upper grinding transmission cavity, the transmission cavity of polishing on with polish between the power cavity rotate be provided with the horizontal transmission shaft of polishing that extends around, on polish in the transmission cavity the transmission shaft rear end of polishing transversely is fixed and is provided with the transmission bevel gear of polishing after, polish in the power cavity the transmission bevel gear of polishing before the transmission shaft front end of polishing transversely is fixed and is provided with, polish in the power cavity polish on the spline housing outside end wall fixedly be provided with polish input bevel gear, polish input bevel gear with before polish transmission bevel gear meshing, be favorable to the drive the piece of polishing begins to rotate, polishes helicopter rotor.
4. The helicopter rotor grinding device of claim 3, wherein the grinding power cavity is rotatably provided with a lower guide rotating shaft extending back and forth, the rear end of the lower guide rotating shaft is fixedly provided with a guide gear engaged with the guide rack, the front end of the lower guide rotating shaft is fixedly provided with a guide driving pulley, the grinding power cavity is rotatably provided with an upper guide rotating shaft extending back and forth, the front end of the upper guide rotating shaft is fixedly provided with a guide driven pulley, a guide power belt is arranged between the guide driven pulley and the guide driving pulley in a transmission manner, the rear end of the upper guide rotating shaft is fixedly provided with a reel, the grinding power cavity is rotatably provided with an auxiliary wheel, the end wall of the top of the grinding spline shaft is rotatably provided with a grinding rotating block, the rotor that polishes the turning block with the transmission is provided with guide driving rope between the reel, guide driving rope with the auxiliary wheel cooperation is favorable to according to rotor surface height automatic change polishing block height of polishing, when avoiding the rotor to rotate, the polishing block causes the damage to the rotor.
5. The helicopter rotor grinding device according to claim 2, wherein a clamping rotary power shaft extending left and right is rotatably disposed in the clamping power chamber, a clamping rotary driving pulley is fixedly disposed at a left end of the clamping rotary power shaft, a clamping rotary driven pulley is fixedly disposed at a left end of the clamping rotary block in the clamping power chamber, a clamping rotary power belt is disposed between the clamping rotary driven pulley and the clamping rotary driving pulley in a transmission manner, a clamping rotary input bevel gear is fixedly disposed on an outer side end wall of the clamping rotary power shaft in the clamping power chamber, a clamping rotary output shaft extending front and back is rotatably disposed between the clamping power chamber and the power switching chamber, a clamping rotary transmission bevel gear is fixedly disposed at a front end of the clamping rotary output shaft in the clamping power chamber, the clamping rotation transmission bevel gear is meshed with the clamping rotation input bevel gear, a clamping rotation input gear is fixedly arranged at the tail end of the rear side of the clamping rotation output shaft in the power switching cavity, and the clamping rotation input gear is meshed with the comprehensive switching gear, so that the clamping rotation block can be driven to rotate slowly.
6. The helicopter rotor grinding device of claim 5, wherein a switching sliding groove is provided in the bottom end wall of the power switching cavity, a switching permanent magnet slider is provided in the switching sliding groove in a front-back sliding manner, a switching reset spring is elastically provided between the front end wall of the switching permanent magnet slider and the front end wall of the switching sliding groove, a switching electromagnet is fixedly provided in the front end wall of the switching sliding groove, an L-shaped switching connecting rod is provided in the power switching cavity in a sliding manner, the L-shaped switching connecting rod is rotatably connected with the switching spline housing, and the front end wall of the L-shaped switching connecting rod is fixedly connected with the rear end wall of the switching permanent magnet slider, so that the switching of the working state of the clamping rotating block is facilitated.
7. The helicopter rotor grinding device according to claim 2, wherein a walking belt cavity is provided in the right end wall of the clamping power cavity, a walking driving pulley is fixedly provided on the outer end wall of the clamping rotating power shaft in the walking belt cavity, a walking control cavity is provided in the left end wall of the walking belt cavity, a walking input shaft extending left and right is rotatably provided between the walking control cavity and the walking belt cavity, a walking driven pulley is fixedly provided at the right end of the walking input shaft in the walking belt cavity, a walking power belt is provided between the walking driven pulley and the walking driving pulley in a transmission manner, a walking elastic gear is rotatably provided at the left end of the walking input shaft in the walking control cavity, an elastic cavity is provided in the walking elastic gear, and a clockwork spring is elastically provided between the inner end wall of the elastic cavity and the outer end wall of the walking input shaft, the walking elastic gear is characterized in that a stop block is fixedly arranged on the end wall of the left side of the walking elastic gear, a control gear rod is arranged in the walking control cavity, the front end of the control gear rod is hinged to the front end wall of the walking control cavity, the control gear rod is matched with the stop block, a control spring is elastically arranged between the control gear rod and the front end wall of the walking control cavity, the walking control cavity is provided with a walking screw rod which extends leftwards and rightwards in a rotating mode between the polishing sliding grooves, a walking input gear is fixedly arranged at the right end of the walking screw rod in the walking control cavity, the walking input gear is meshed with the walking elastic gear, and a walking thread matched with the walking screw rod is fixedly arranged in the polishing machine body and is beneficial to driving the polishing machine body to slide.
CN201910364530.7A 2019-04-30 2019-04-30 Helicopter rotor grinding device Active CN110026863B (en)

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