CN101708589B - Pneumatic turbine type hand-held mill with high torque - Google Patents
Pneumatic turbine type hand-held mill with high torque Download PDFInfo
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- CN101708589B CN101708589B CN2009102220880A CN200910222088A CN101708589B CN 101708589 B CN101708589 B CN 101708589B CN 2009102220880 A CN2009102220880 A CN 2009102220880A CN 200910222088 A CN200910222088 A CN 200910222088A CN 101708589 B CN101708589 B CN 101708589B
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- conservancy diversion
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Abstract
The invention discloses a pneumatic turbine type hand-held mill with high torque, comprising a flow guide volute casing (1), a flow guider (2), a kick-type turbine (3), a spindle gearwheel (4), a top casing (01), an upper case (02), an airflow regulator (021), a lower case (03), a handle and valve assembly (04), an auxiliary handle (05), a milling head holder (06) and a milling head shield (07). The invention adopts the following technical scheme: a turbine mechanism formed by the flow guide volute casing, the flow guider and the kick-type turbine works by adopting the reaction force of air jet to convert the pressure potential energy of the compressed air into the rotatory kinetic energy of the kick-type turbine, and the rotation of the kick-type turbine is transferred to the spindle through gear reduction to obtain higher torque to drive the milling head to rotate. The energy conversion efficiency and the rotating speed are improved by adopting the kick-type turbine and the higher torque is obtained through gear reduction, thus ensuring the pneumatic hand-held mill to achieve the aims of high efficiency, high speed, high torque, light and small body, no oil mist and noise reduction.
Description
Technical field
The present invention relates to a kind of hand-held pneumatic instrument, specifically be meant and utilize the compressed air-driven turbine to rotate at a high speed, obtain high torque through gear reduction and drive the bistrique rotation, be used for a kind of Pneumatic turbine type hand-held mill with high torque of sanding and polishing implements.
Background technology
The pneumatic hand-hold grinder of prior art is a vane type; Be to utilize the compressed air high velocity air to impact the mode of axial blade; The rotation function that the part kinetic energy of air-flow is transferred to sharf; Change has taken place in the flow velocity and the direction of air-flow, and therefore sharf has obtained rotation function and driven bistrique work, and this process is the exchange process of kinetic energy.The blade gas of prior art starts to hold grinding machine in the exchange of kinetic energy process; Because the linear velocity of circumference of impeller rotation will be lower than the tail speed of air-flow; In order to improve the rotating speed of sharf, the air-flow velocity that impacts impeller will be enough big, and it is big more to impact flow velocity; The residual stream quick-action loss of energy of tail gas is just many more, makes that exchange of kinetic energy efficient is lower; In order to exchange to enough energy, the diameter of blade and air flue will be enough big, and the air flue long enough causes body bigger and heavy; In addition; The friction of blade and casing wall needs liquid oil lubricating, and the blade of rotation can hit into liquid machine oil a large amount of mist of oils and with the permeate space of operation occasion of exhaust, cause air pollution at a high speed; The friction of blade and casing wall simultaneously also can produce strong operating noise, causes noise pollution; Therefore, prior art exists that energy conversion efficiency is low, body is big and heavy, rotating speed and moment of torsion are difficult to improve and the problems and shortcomings of mist of oil and noise pollution.
Summary of the invention
Problems and shortcomings to above-mentioned prior art existence; The present invention adopts the turbine mechanism that is made up of water conservancy diversion spiral case, air deflector, recoil turbine; The reaction force work done that utilizes air-flow to spray; With the rotation function of compressed-air actuated air pressure potential energy converting and energy for the recoil turbine, the rotation of recoil turbine passes to main shaft through gear reduction and obtains high torque, drives the technical scheme of bistrique rotation; A kind of Pneumatic turbine type hand-held mill with high torque is provided; Be intended to improve energy conversion efficiency and rotating speed, obtain high torque through gear reduction through the recoil turbine, make pneumatic hand-hold grinder reach efficiently, at a high speed, high moment of torsion, body light small and exquisite, do not have mist of oil and alleviate the purpose of noise.
The objective of the invention is to realize like this: comprise water conservancy diversion spiral case, air deflector, recoil turbine, main shaft gear wheel, top shell, upper casing, air damper, lower casing, handle air valve assembly, assist handle, bistrique clamper, bistrique guard shield; Wherein: described water conservancy diversion spiral case is plate-like alloy components; Front portion above the water conservancy diversion spiral case is provided with one vertically downward; The air admission hole that up-small and down-big circular cone, cylindrical step through hole constitute; Be provided with an air flue of the groove formation of semi-round ring shape along clockwise direction below the water conservancy diversion spiral case that links to each other with air admission hole; Be positioned at the home position of the following semi-round ring shape air flue of water conservancy diversion spiral case, be provided with the circular blind hole of a fitted bearing; Corner location above the water conservancy diversion spiral case is provided with the countersunk head screw perforation; Described air deflector is a cylinder dish type alloy components; The top center of air deflector is provided with the circular step of an epirelief, and circular step center is the manhole that runs through air deflector; On the half of circumference post jamb of air deflector, be provided with the some fairshaped directional stream-guidance leaf that is radial arrangement along circumference, the water conservancy diversion angle of attack of directional stream-guidance leaf is the left-handed hand of spiral, is provided with the curved weir wall of one epirelief along directional stream-guidance blade root portion edge; The following of air deflector is the blue boss of three-layer process rank, cooperates with lining, recoil turbine respectively; Described lining is connected with the following flange boss rank of air deflector for being positioned at below the air deflector, is trapped among the annular cover member of said recoil turbine outer rim; Described recoil turbine is the columniform alloy impeller that the center is provided with the turbo tooth wheel shaft; The wheel rim of recoil turbine is the leaf groove that radial grade is arranged with circular arc along circumference; The concave direction of leaf groove is identical with the water conservancy diversion angle of attack direction of the directional stream-guidance leaf of air deflector; The gear position of turbo tooth wheel shaft be positioned at the recoil turbine below, be cylindric spiral gear, the position up and down of turbo tooth wheel shaft is equipped with the cylinder step of fitted bearing; Described main shaft gear wheel is the cylindrical alloy cylindric spiral gear that the center is provided with main shaft; The wheel footpath of main shaft gear wheel and wheel footpath and the number of teeth of the number of teeth, and the supporting engagement of cylindric spiral gear of main shaft gear wheel and turbo tooth wheel shaft greater than the cylindric spiral gear of the turbo tooth wheel shaft of said recoil turbine; The top that main shaft is positioned at the main shaft gear wheel is provided with the step of fitted bearing, and the top end face center is provided with the blind screwhole that is connected with air damper; The bottom that main shaft is positioned at the main shaft gear wheel is provided with the cylinder step and the conical surface of fitted bearing, and the bottom face center is provided with the blind screwhole that is connected with the bistrique clamper.
Described each parts mutual alignment and annexation do; The water conservancy diversion spiral case be fixed in upper casing above; The top clamshell is on the water conservancy diversion spiral case and be fixed in above the upper casing, and lining is fixed in the top placing chamber of upper casing, and the turbo tooth wheel shaft bottom dress bearing fixing of recoil turbine is in the placing chamber of the top of upper casing; The recoil turbine is in the lining, and the turbo tooth wheel shaft top dress bearing fixing of recoil turbine is in the arrangement blind hole of water conservancy diversion spiral case; The main shaft gear wheel is arranged in the bottom placing chamber of upper casing; The gear part engagement of main shaft gear wheel and turbo tooth wheel shaft, the top dress bearing fixing of main shaft is in the placing chamber of the bottom of upper casing, and air damper is adorned on the top of main shaft; Air damper is positioned at the air admission hole of the top water conservancy diversion spiral case of upper casing; The bottom of main shaft dress bearing fixing is in the placing chamber of the top of lower casing, and the tapered sleeve of its conical surface and lower casing is slidingly matched, lower casing be fixed in upper casing below; The bistrique clamper is fixedly connected under the bottom face of main shaft; The bistrique guard shield be fixed on lower casing below, handle air valve assembly is fixed on the trailing flank of upper casing and communicates with the air inlet of upper casing, assist handle is fixed on the left side of upper casing; Wherein, the relevant connection junction of top shell, upper casing, lower casing, handle air valve assembly all is added with sealing.
Operation principle
Behind the unit construction, constituted the high pressure draught passage by the chamber that surrounds above top, the upper casing of the bottom of top shell, water conservancy diversion spiral case; Following air chamber and the steam vent on the locular wall to lower casing by the recoil turbine constituted the atmospheric gas circulation road;
During work; Compressed air gets into the high pressure draught passage through handle air valve assembly; Through the air admission hole of water conservancy diversion spiral case and the gap between the air damper; Air flue along the water conservancy diversion spiral case leads after the circular arc leaf groove of recoil turbine sprays to the atmospheric gas circulation road through the directional stream-guidance leaf of air deflector, drives the recoil turbine and rotates, and the steam vent through the atmospheric gas circulation road enters atmosphere again; Compressed air is in high pressure conditions when getting into the high pressure draught passage; High pressure draught pressure when penetrating the circular arc leaf groove of recoil turbine discharges rapidly; The circular arc leaf groove of recoil turbine drives the recoil turbine and penetrates opposite direction rotation along air-flow under the effect of the reaction force of the high velocity air that discharges rapidly, thereby drives the high speed rotation of turbo tooth wheel shaft; The deceleration of the main shaft gear wheel of warp and turbo tooth wheel axle gear portion engagement makes main shaft obtain bigger load-torque; At recoil turbine leaf groove jet place; The pressure potential of gases at high pressure directly converts the rotation function of recoil turbine into, if ignore some pressure dampings that steam vent produces, nearly all gas pressure potential energy can convert energy of the impinging jet into; Can know by Newton mechanics law; The opposite sign but equal magnitude of active force and reaction force is when unloaded, as if the mechanical friction loss of ignoring recoil turbine and deceleration, transmission mechanism; The linear velocity of the turbine circumference that recoils in theory rotation can equal the gas efflux velocity of leaf groove jet, and the power conversion of Here it is backpulsing turbine is superior to the principle of the power conversion of impact type impeller; Simultaneously, under the identical prerequisite of power output, the body of backpulsing turbine and weight are less than the impact type turbine; Because being closed in the upper casing 02, a small amount of high-speed lubrication oil that reduction gearing needs isolates with gas channel; Can not leak with high velocity air; The turbine 3 that in addition recoils does not have the machinery friction with shell wall; Need not liquid oil lubricating, thereby avoided the generation and the pollution of mist of oil, also alleviated operating noise simultaneously.
Above-mentioned; The present invention adopts the turbine mechanism that is made up of water conservancy diversion spiral case, air deflector, recoil turbine; The reaction force work done that utilizes air-flow to spray, with the rotation function of compressed-air actuated air pressure potential energy converting and energy for the recoil turbine, the rotation of recoil turbine passes to main shaft through gear reduction and obtains high torque; Drive the technical scheme of bistrique rotation; Overcome that the energy conversion efficiency that prior art exists is low, body big and heavy, rotating speed and moment of torsion are difficult to improve and the problems and shortcomings of mist of oil and noise pollution, a kind of Pneumatic turbine type hand-held mill with high torque of being provided is through recoil turbine raising energy conversion efficiency and rotating speed; Obtain high torque through gear reduction, make pneumatic hand-hold grinder reached efficiently, at a high speed, high moment of torsion, body light small and exquisite, do not have mist of oil and alleviate the purpose of noise.
Description of drawings
Fig. 1 is the main cutaway view of Pneumatic turbine type hand-held mill with high torque of the present invention;
Fig. 2 is air deflector, lining, the recoil turbine of Pneumatic turbine type hand-held mill with high torque of the present invention, the exploded isometric sketch map of main shaft gearwheel part;
Fig. 3 is that axle survey sketch map is overlooked in the decomposition of Pneumatic turbine type hand-held mill with high torque of the present invention;
Fig. 4 is that axle survey sketch map is looked up in the decomposition of Pneumatic turbine type hand-held mill with high torque of the present invention;
Fig. 5 is that the integral body of Pneumatic turbine type hand-held mill with high torque of the present invention is overlooked axle survey sketch map.
Embodiment below in conjunction with in the accompanying drawing does further explain to the present invention, but should not be construed as any restriction of the present invention.
Among the figure: water conservancy diversion spiral case 1, air flue 11, air admission hole 12, air deflector 2, directional stream-guidance leaf 21, lining 22, recoil turbine 3, turbo tooth wheel shaft 31, main shaft gear wheel 4, main shaft 41, top shell 01, upper casing 02, air damper 021, air inlet 022, lower casing 03, steam vent 031, handle air valve assembly 04, assist handle 05, bistrique clamper 06, bistrique guard shield 07.
The specific embodiment
Consult Fig. 1～Fig. 5; A kind of Pneumatic turbine type hand-held mill with high torque of the present invention; Comprise water conservancy diversion spiral case 1, air deflector 2, recoil turbine 3, main shaft gear wheel 4, top shell 01, upper casing 02, air damper 021, lower casing 03, handle air valve assembly 04, assist handle 05, bistrique clamper 06, bistrique guard shield 07; Wherein: described water conservancy diversion spiral case 1 is plate-like alloy components; Front portion above the water conservancy diversion spiral case is provided with one vertically downward, is provided with an air flue 11 of the groove formation of semi-round ring shape along clockwise direction below the air admission hole 12 that up-small and down-big circular cone, cylindrical step through hole constitute, the water conservancy diversion spiral case that links to each other with air admission hole; Be positioned at the home position of the following semi-round ring shape air flue 11 of water conservancy diversion spiral case, be provided with the circular blind hole of a fitted bearing; Corner location above the water conservancy diversion spiral case is provided with the countersunk head screw perforation; Described air deflector 2 is a cylinder dish type alloy components; The top center of air deflector is provided with the circular step of an epirelief, and circular step center is the manhole that runs through air deflector; On the half of circumference post jamb of air deflector, be provided with the some fairshaped directional stream-guidance leaf 21 that is radial arrangement along circumference, the water conservancy diversion angle of attack of directional stream-guidance leaf 21 is the left-handed hand of spiral, is provided with the curved weir wall of one epirelief along directional stream-guidance leaf 21 root edges; The following of air deflector is the blue boss of three-layer process rank, cooperates with lining 22, recoil turbine 3 respectively; Described lining 22 is connected with the following flange boss rank of air deflector for being positioned at below the air deflector, is trapped among the annular cover member of said recoil turbine outer rim; Described recoil turbine 3 is provided with the columniform alloy impeller of turbo tooth wheel shaft 31 for the center; The wheel rim of recoil turbine 3 is the leaf groove that radial grade is arranged with circular arc along circumference; The concave direction of leaf groove is identical with the water conservancy diversion angle of attack direction of the directional stream-guidance leaf 21 of air deflector; The gear position of turbo tooth wheel shaft 31 be positioned at the recoil turbine below, be cylindric spiral gear, the position up and down of turbo tooth wheel shaft 31 is equipped with the cylinder step of fitted bearing; Described main shaft gear wheel 4 is provided with the cylindrical alloy cylindric spiral gear of main shaft 41 for the center; The wheel footpath of main shaft gear wheel and wheel footpath and the number of teeth of the number of teeth, and the supporting engagement of cylindric spiral gear of main shaft gear wheel and turbo tooth wheel shaft 31 greater than the cylindric spiral gear of the turbo tooth wheel shaft 31 of said recoil turbine 3; The top that main shaft 41 is positioned at main shaft gear wheel 4 is provided with the step of fitted bearing, and the top end face center is provided with the blind screwhole that is connected with air damper 021; The bottom that main shaft 41 is positioned at main shaft gear wheel 4 is provided with the cylinder step and the conical surface of fitted bearing, and the bottom face center is provided with the blind screwhole that is connected with bistrique clamper 06.
Described each parts mutual alignment and annexation do; Water conservancy diversion spiral case 1 be fixed in upper casing 02 above; Top shell 01 cover on the water conservancy diversion spiral case 1 and be fixed in upper casing 02 above, lining 22 is fixed in the top placing chamber of upper casing 02, the turbo tooth wheel shaft 31 bottoms dresses bearing fixing of recoil turbine 3 is in the placing chamber of the top of upper casing 02; The recoil turbine is in the lining 22, and the turbo tooth wheel shaft 31 tops dress bearing fixing of recoil turbine 3 is in the arrangement blind hole of water conservancy diversion spiral case 1; Main shaft gear wheel 4 is arranged in the bottom placing chamber of upper casing 02; Main shaft gear wheel 4 meshes with the gear part of turbo tooth wheel shaft 31, and the top dress bearing fixing of main shaft 41 is in the placing chamber of the bottom of upper casing 02, and air damper 021 is adorned on the top of main shaft 41; Air damper 021 is positioned at the air admission hole 12 of the top water conservancy diversion spiral case 1 of upper casing 02; The bottom of main shaft 41 dress bearing fixing is in the placing chamber of the top of lower casing 03, and the tapered sleeve of its conical surface and lower casing 03 is slidingly matched, lower casing 03 be fixed in upper casing 02 below; Bistrique clamper 06 is fixedly connected under the bottom face of main shaft 41; Bistrique guard shield 07 be fixed on lower casing 03 below, handle air valve assembly 04 is fixed on the trailing flank of upper casing 02 and communicates with the air inlet 022 of upper casing 02, assist handle 05 is fixed on the left side of upper casing 02; Wherein, the relevant connection junction of top shell 01, upper casing 02, lower casing 03, handle air valve assembly 04 all is added with sealing.
Operation principle
Behind the unit construction, constituted the high pressure draught passage by the chamber that surrounds above top, the upper casing 02 of the bottom of top shell 01, water conservancy diversion spiral case 1; Following air chamber and the steam vent on the locular wall 031 to lower casing 03 by recoil turbine 3 constituted the atmospheric gas circulation road;
During work; Compressed air gets into the high pressure draught passage through handle air valve assembly 04; Through the air admission hole 12 of water conservancy diversion spiral case 1 and the gap between the air damper 021; Air flue 11 along water conservancy diversion spiral case 1 leads after the circular arc leaf groove of recoil turbine 3 sprays to the atmospheric gas circulation road through the directional stream-guidance leaf 21 of air deflector 2, drives recoil turbine 3 and rotates, and the steam vent 031 through the atmospheric gas circulation road enters atmosphere again;
Compressed air is in high pressure conditions when getting into the high pressure draught passage; High pressure draught pressure when penetrating the circular arc leaf groove of recoil turbine 3 discharges rapidly; The circular arc leaf groove of recoil turbine 3 drives recoil turbine 3 and penetrates opposite direction rotation along air-flow under the effect of the reaction force of the high velocity air that discharges rapidly, thereby drives the high speed rotation of turbo tooth wheel shaft 31; The deceleration of the main shaft gear wheel 4 of warp and turbo tooth wheel shaft 31 gear part engagement makes main shaft 41 obtain bigger load-torque; At recoil turbine 3 leaf groove jet places; The pressure potential of gases at high pressure directly converts the rotation function of recoil turbine 3 into, if ignore some pressure dampings that steam vent 031 produces, nearly all gas pressure potential energy can convert energy of the impinging jet into; Can know by Newton mechanics law; The opposite sign but equal magnitude of active force and reaction force is when unloaded, as if the mechanical friction loss of ignoring recoil turbine 3 and deceleration, transmission mechanism; The linear velocity of turbine 3 circumference that recoil in theory rotations can equal the gas efflux velocity of leaf groove jet, and the power conversion of Here it is backpulsing turbine is superior to the principle of the power conversion of impact type impeller; Simultaneously, under the identical prerequisite of power output, the body of backpulsing turbine and weight are less than the impact type turbine; Because recoil turbine 3 does not have the machinery friction with shell wall, except reduction gearing needs the lubricated fat that can not produce mist of oil of a small amount of stiff, need not liquid oil lubricating, has avoided contaminated with oil mist, has also alleviated operating noise simultaneously.
Claims (1)
1. Pneumatic turbine type hand-held mill with high torque; Comprise water conservancy diversion spiral case (1), air deflector (2), recoil turbine (3), main shaft gear wheel (4), top shell (01), upper casing (02), air damper (021), lower casing (03), handle air valve assembly (04), assist handle (05), bistrique clamper (06), bistrique guard shield (07); It is characterized in that: described water conservancy diversion spiral case (1) is plate-like alloy components; Front portion above the water conservancy diversion spiral case is provided with one vertically downward; The air admission hole (12) that up-small and down-big circular cone, cylindrical step through hole constitute; Be provided with an air flue (11) of the groove formation of semi-round ring shape along clockwise direction below the water conservancy diversion spiral case that links to each other with air admission hole, be positioned at the home position of the following semi-round ring shape air flue (11) of water conservancy diversion spiral case, be provided with the circular blind hole of a fitted bearing; Corner location above the water conservancy diversion spiral case is provided with the countersunk head screw perforation; Described air deflector (2) is a cylinder dish type alloy components; The top center of air deflector is provided with the circular step of an epirelief, and circular step center is the manhole that runs through air deflector; On the half of circumference post jamb of air deflector; Be provided with the some fairshaped directional stream-guidance leaf (21) that is radial arrangement along circumference; The water conservancy diversion angle of attack of directional stream-guidance leaf (21) is the left-handed hand of spiral, is provided with the curved weir wall of one epirelief along directional stream-guidance leaf (21) root edges; The following of air deflector is the blue boss of three-layer process rank, cooperates with lining (22), recoil turbine (3) respectively; Described lining (22) is connected with the following flange boss rank of air deflector for being positioned at below the air deflector, is trapped among the annular cover member of said recoil turbine outer rim; Described recoil turbine (3) is provided with the columniform alloy impeller of turbo tooth wheel shaft (31) for the center; The wheel rim of recoil turbine (3) is the leaf groove that radial grade is arranged with circular arc along circumference; The concave direction of leaf groove is identical with the water conservancy diversion angle of attack direction of the directional stream-guidance leaf (21) of air deflector; The gear position of turbo tooth wheel shaft (31) be positioned at the recoil turbine below, be cylindric spiral gear, the position up and down of turbo tooth wheel shaft (31) is equipped with the cylinder step of fitted bearing; Described main shaft gear wheel (4) is provided with the cylindrical alloy cylindric spiral gear of main shaft (41) for the center; The wheel footpath of main shaft gear wheel and wheel footpath and the number of teeth of the number of teeth, and the supporting engagement of cylindric spiral gear of main shaft gear wheel and turbo tooth wheel shaft (31) greater than the cylindric spiral gear of the turbo tooth wheel shaft (31) of said recoil turbine (3); The top that main shaft (41) is positioned at main shaft gear wheel (4) is provided with the step of fitted bearing, and the top end face center is provided with the blind screwhole that is connected with air damper (021); The bottom that main shaft (41) is positioned at main shaft gear wheel (4) is provided with the cylinder step and the conical surface of fitted bearing, and the bottom face center is provided with the blind screwhole that is connected with bistrique clamper (06);
Each parts mutual alignment and annexation do; Water conservancy diversion spiral case (1) be fixed in upper casing (02) above; Top shell (01) cover on the water conservancy diversion spiral case (1) and be fixed in upper casing (02) above; Lining (22) is fixed in the top placing chamber of upper casing (02); Turbo tooth wheel shaft (31) the bottom dress bearing fixing of recoil turbine (3) is in the top placing chamber of upper casing (02), and the recoil turbine is in the lining (22), and turbo tooth wheel shaft (31) the top dress bearing fixing of recoil turbine (3) is in the arrangement blind hole of water conservancy diversion spiral case (1); Main shaft gear wheel (4) is arranged in the bottom placing chamber of upper casing (02); Main shaft gear wheel (4) meshes with the gear part of turbo tooth wheel shaft (31); The top dress bearing fixing of main shaft (41) is in the bottom placing chamber of upper casing (02); The top dress air damper (021) of main shaft (41), air damper (021) is positioned at the air admission hole (12) of the top water conservancy diversion spiral case (1) of upper casing (02), and the bottom dress bearing fixing of main shaft (41) is in the top placing chamber of lower casing (03); The tapered sleeve of its conical surface and lower casing (03) is slidingly matched; Lower casing (03) be fixed in upper casing (02) below, bistrique clamper (06) is fixedly connected under the bottom face of main shaft (41), bistrique guard shield (07) be fixed on lower casing (03) below; Handle air valve assembly (04) is fixed on the trailing flank of upper casing (02) and communicates with the air inlet (022) of upper casing (02), and assist handle (05) is fixed on the left side of upper casing (02); Wherein, the relevant connection junction of top shell (01), upper casing (02), lower casing (03), handle air valve assembly (04) all is added with sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102220880A CN101708589B (en) | 2009-11-07 | 2009-11-07 | Pneumatic turbine type hand-held mill with high torque |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102220880A CN101708589B (en) | 2009-11-07 | 2009-11-07 | Pneumatic turbine type hand-held mill with high torque |
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| Publication Number | Publication Date |
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| CN101708589A CN101708589A (en) | 2010-05-19 |
| CN101708589B true CN101708589B (en) | 2012-01-25 |
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| CN2009102220880A Expired - Fee Related CN101708589B (en) | 2009-11-07 | 2009-11-07 | Pneumatic turbine type hand-held mill with high torque |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567843A (en) * | 2012-07-27 | 2014-02-12 | 江苏宇天科技有限公司 | Pneumatic angle grinder |
| CN104044044A (en) * | 2013-03-15 | 2014-09-17 | 昆山齐升磨料磨具有限公司 | Handheld type polishing machine |
| CN107877320B (en) * | 2017-11-08 | 2019-05-21 | 颍上县皖佳保木业有限责任公司 | A kind of wood plate pattern polishing machine |
| CN110340780B (en) * | 2019-07-01 | 2024-05-14 | 锐奇控股股份有限公司 | Air ducting reaches angle grinder including it |
| CN113618599B (en) * | 2021-08-12 | 2022-05-06 | 吉林大学重庆研究院 | Automatic prosthetic devices of matrix car finish defect |
| CN115256089A (en) * | 2022-06-28 | 2022-11-01 | 河北光兴半导体技术有限公司 | Device and method for realizing fine grinding and polishing through torque control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068658A (en) * | 2004-12-03 | 2007-11-07 | 罗伯特·博世有限公司 | Manual machine-tool driven by circulation of a substance |
| CN101389448A (en) * | 2005-04-28 | 2009-03-18 | 罗伯特·博世有限公司 | Flow medium-driven hand-held machine tool |
| CN201516575U (en) * | 2009-11-07 | 2010-06-30 | 何钢亮 | Pneumatic turbine type handheld high-torque grinding machine |
-
2009
- 2009-11-07 CN CN2009102220880A patent/CN101708589B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068658A (en) * | 2004-12-03 | 2007-11-07 | 罗伯特·博世有限公司 | Manual machine-tool driven by circulation of a substance |
| CN101389448A (en) * | 2005-04-28 | 2009-03-18 | 罗伯特·博世有限公司 | Flow medium-driven hand-held machine tool |
| CN201516575U (en) * | 2009-11-07 | 2010-06-30 | 何钢亮 | Pneumatic turbine type handheld high-torque grinding machine |
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| CN101708589A (en) | 2010-05-19 |
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