CN2827645Y - Industrial labour-saving wrench of preventing torsional springback - Google Patents
Industrial labour-saving wrench of preventing torsional springback Download PDFInfo
- Publication number
- CN2827645Y CN2827645Y CN 200520042805 CN200520042805U CN2827645Y CN 2827645 Y CN2827645 Y CN 2827645Y CN 200520042805 CN200520042805 CN 200520042805 CN 200520042805 U CN200520042805 U CN 200520042805U CN 2827645 Y CN2827645 Y CN 2827645Y
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- tooth
- resilience
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- ratchet
- torsion
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Abstract
The utility model relates to an industrial labour-saving wrench for avoiding the back spring of the torsion force, which comprises a cylinder body, a gearset of a planetary wheel in a non-standard short gear shape, a ratchet handle, a device for avoiding the back spring of the torsion force. By the function of the speed reduction of a three-stage planetary gear train, an output moment can be enlarged by tens of times to hundreds of times; the industrial labour-saving wrench for avoiding the back spring of torsion force has the advantages of large output torque, little operating space, safety use and simple operation, and especially comprises a structure for avoiding the back spring of the torsion force so that the ratchet handle can fully exert functions in use. The industrial labour-saving wrench for avoiding the back spring of torsion force is suitable for the disassembly and assembly of large specification nuts and large specification anchor bolts on large scale equipment and is especially suitable for an occasion that a power source is far from equipment or an electric tool can not be used so as to need explosion resistance. The utility model is suitable for large enterprises of mine, quay, oilfield, marine vehicles, petrifaction, chemical industry, metallurgy, power station, etc.
Description
Affiliated technical field
The utility model relates to a kind of industrial labour-saving spanner of anti-torsion resilience, this industrial labour-saving spanner includes cylindrical shell, non-standard short profile of tooth planetary gear wheels, ratchet handle, anti-torsion rebounding device, adopt the decelerating effect of 3 grades of planet circular systems, make output torque can increase tens of times to over one hundred times, the industrial labour-saving spanner of this anti-torsion resilience, there is output torque big, operation field is little, safe in utilization, advantage simple to operate, the structure that particularly includes anti-torsion resilience, ratchet handle can be played a role in use fully, the industrial labour-saving spanner of this anti-torsion resilience is specially adapted to the big specification nut on the main equipment, the foundation bolt dismounting of big specification is fit to industrial and mineral, the oil field, boats and ships, petrochemical industry, use in the integrated mills such as chemical industry.
Background technology
The mine, harbour, the oil field, boats and ships, petrochemical industry, chemical industry, metallurgical, in the large enterprises such as power station, big specification bolt disassembly in many equipment is to make installer or maintenance worker feel effort deeply, and in dismounting, exist certain danger, the workpeople often adopts very long steel pipe by bolt of several people's dismounting, perhaps use the paddle type mill spanner, this operation measure is dangerous, when operation field hour, long steel pipe just can not use, when using the paddle type mill spanner, often there are hammer or spanner to fly out or hit the accident that flies and take place, sometimes, maybe can not and need explosion-proof occasion at power supply from equipment is far with the occasion of electric tool, using labour-saving spanner is only instrument, but common labour-saving spanner, the labour-saving spanner that for example uses detaching tyre is at assembling-disassembling bolt, during nut, input has very big bounce-back angle of revolution, can use the wind continued operation, but use ratchet handle just can not normally work the repairing of equipment in industry, the fabricating yard is smaller, the pipe flange lid, during dismounting such as the foundation bolt of equipment, the operation of handle does not allow 360 degree to shake, and must use ratchet handle, and common labour-saving spanner is just not competent.
Goal of the invention
The utility model provides a kind of industrial labour-saving spanner of anti-torsion resilience, the industrial labour-saving spanner of this anti-torsion resilience has a device that can prevent that input from reversing, this device can bear the moment of torsion of input reverse and time support angle degree more much smaller than ratchet handle arranged, can be effective when making the big specification bolt of ratchet handle dismounting, work safely, this have 3 grades of planet circular system slowing-down structures of non-standard short tooth and an industrial labour-saving spanner that anti-torsion resilient mounting is combined into, there is output torque big, operation field is little, safe in utilization, characteristics simple to operate, be a kind of hand-operated tools that industrial and mining enterprises use that is suitable for, it has the big specification nut of dismounting effortlessly, the function of bolt.
Technical scheme
The industrial labour-saving spanner of the anti-torsion resilience that the utility model relates to, be by cylindrical shell, the primary input axle, the one-level planetary gear set, the secondary planet wheels, the third-level planetary wheels, ratchet handle and anti-torsion resilient mounting are formed, its feature 1 is the short tooth of the internal tooth criteria of right and wrong profile of tooth in the cylindrical shell, with the shared engagement of star tooth in 3 groups of planetary gear set, the short tooth of the centre tooth criteria of right and wrong that its feature 2 is power shafts and with the star tooth engagement of one-level planetary gear set, the star tooth engagement of the centre tooth of one-level planetary gear and secondary planet wheels, the star tooth engagement of the centre tooth of secondary planet wheel and third-level planetary wheels, its feature 3 is 3 groups of star tooth and centre tooth short teeth of the criteria of right and wrong all in the planetary gear set, its feature 4 is that the one-level planetary gear set is identical with the secondary planet wheel group structure, ratchet in the pawl seat that its feature 5 is ratchet handles is an octagonal hole, size and power shaft side's tenon match, ratchet can change the direction of returning support angle with ratchet by shifting block, and its feature 6 is that an anti-torsion resilient mounting is arranged between power shaft and the cylindrical shell.
One end of described cylindrical shell has enough arch form spikes that can bear dismounting nut (bolt) torsion, the first half tube neck of arch form spike and cylindrical shell is an overall structure, the latter half of of cylindrical shell is a garden column casing body that internal tooth is arranged, it has 3 groups of internal tooths that planetary gear set is public, described one, the secondary planet wheels are star braces that have 3 five equilibrium camber columns, star braces center is welded with a centre tooth, also have 3 position of halving and the maintenance garden hole concentric on the star braces with centre tooth, 3 star tooth axles respectively are housed in hole, 3 gardens, on 3 star tooth axles, a star tooth is arranged respectively, two ends and the welding of star braces with 3 star tooth axles, just be combined into one thus, the secondary planet wheels, described third-level planetary wheels are star braces that have 3 five equilibrium camber columns, star braces center is welded with an output shaft, the front end side of the being tenon of output shaft, also have 3 position of halving and the maintenance garden hole concentric on the star braces with output shaft, 3 star tooth axles respectively are housed in the hole, 3 gardens on the star braces, on 3 star tooth axles, a star tooth is arranged respectively, with 3 star tooth axle two ends and the welding of star braces, the third-level planetary wheels just have been combined into thus, described power shaft is: its end is a centre tooth, the centre is anti-resilience ratchet, the other end is a square tenon that matches with the ratchet handle square hole, 3 star tooth engagements of the centre tooth of primary input axle and one-level planetary gear set.Described resilience-proof device is: by an anti-resilience pawl base, and an anti-resilience ratchet, a transposition shifting block, a steel ball, a compression spring, a trip bolt is formed.The front end of anti-resilience pawl base is a fluted disc that matches with the cylindrical shell internal tooth, fluted disc inserts in the internal tooth of cylindrical shell, be fixed with ring washer with the hole, anti-resilience ratchet is in anti-resilience pawl base, and with the primary input axle that passes anti-resilience pawl base in anti-resilience ratchet engaged, the other end of anti-resilience ratchet is fixedlyed connected with the transposition shifting block, stir the transposition shifting block, anti-resilience ratchet can change the direction of returning support angle with anti-resilience ratchet, on the relative position of the middle part detent of preventing the resilience pawl base, a through hole is arranged, a steel ball is arranged in the through hole, a compression spring, steel ball is pressed in the detent of anti-resilience ratchet by the compression spring, when ratchet handle rotates the primary input axle, moment is through the transmission of 3 grades of planetary gear combination mechanisms, moment has been exaggerated tens of times, output shaft is under powerful drag effect, the primary input axle is produced to reverse, stir the transposition dial, make anti-resilience ratchet and embed in the teeth groove of preventing the resilience ratchet, this moment, anti-resilience ratchet was propped up by anti-resilience ratchet, and the primary input axle can not reverse, and ratchet handle can normally be worked.
Beneficial effect
The industrial labour-saving spanner of this anti-torsion resilience, there is output torque big, operation field is little, and advantage safe in utilization particularly includes the structure of preventing the torsion resilient mounting, make ratchet handle bring into play the little and safe effect of opereating specification in use fully, its volume is little, in light weight thereby be easy to carry, easy to operate, can greatly reduce labor intensity, particularly in the operation of ascending a height, the industrial labour-saving spanner of non-transformer, no source of the gas, this anti-torsion resilience of the explosion-proof occasion of need is particularly suitable.
Below in conjunction with embodiment to further specifying as the utility model:
Fig. 1 is the industrial labour-saving spanner structure chart of the anti-torsion resilience of the utility model,
Fig. 2 is the 2nd grade of planetary gear set A-A cutaway view among Fig. 1,
Fig. 3 is the B-B cutaway view of the anti-torsion resilient mounting in power shaft place among Fig. 1,
Fig. 4 is a ratchet spanner C-C cutaway view among Fig. 1,
Fig. 5 is Fig. 1 culminant star braces stereogram.
Among Fig. 1,1. cylindrical shell, 2. primary input axle, 3. one-level planetary gear set, 4. secondary planet wheels, 5. third-level planetary wheels, 6. output shaft, 7. anti-torsion resilient mounting, 8. ratchet handle, 9. arch spike, 10. hole ring washer.
Among Fig. 2,11. star tooth axles, 12. star teeth, 13. centre tooth.
Among Fig. 3,14. steel balls, 15. compression springs, 16. trip bolts, 17. anti-resilience pawl bases, 18. transposition shifting blocks, 19. anti-resilience ratchets, 20. anti-resilience ratchets,
Among Fig. 4,21. pawl seats, 22. ratchets, 23. ratchets, 24. shifting blocks, 25. steel balls, 26. stage clips.
Among Fig. 5,27. star braces
The specific embodiment:
The industrial labour-saving spanner of the anti-torsion resilience that the utility model relates to, be by cylindrical shell (1), primary input axle (2), one-level planetary gear set (3), secondary planet wheels (4), third-level planetary wheels (5), ratchet handle (8) and anti-torsion resilient mounting (7) are formed, its feature 1 is the short tooth of the internal tooth criteria of right and wrong profile of tooth in the cylindrical shell (1), with the shared engagement of star tooth (12) in 3 groups of planetary gear set, the short tooth of centre tooth (13) criteria of right and wrong that its feature 2 is primary input axle (2), and with the engagement of the star tooth (12) of one-level planetary gear set (3), the centre tooth (13) of one-level planetary gear set (3) and the engagement of the star tooth (12) of secondary planet wheels (4), the centre tooth (13) of secondary planet wheels (4) and the engagement of the star tooth (12) of third-level planetary wheels (5), its feature 3 is 3 groups of star tooth (12) and centre tooth (13) short teeth of the criteria of right and wrong all in the planetary gear set, its feature 4 is one-level planetary gear set (3) and secondary planet wheels (4), the star braces structure of third-level planetary wheels (5) is identical, ratchet (22) in the pawl seat (21) that its feature 5 is ratchet handle (8) is an octagonal hole, size and the square tenon of primary input axle (2) match, ratchet (23) can change the direction of returning support angle with ratchet (22) by shifting block (24), and its feature 6 is between primary input axle (2) and the cylindrical shell (1) an anti-torsion resilient mounting (7) to be arranged.
One end of described cylindrical shell (1) has enough arch spikes (9) that can bear dismounting nut (bolt) torsion, arch spike (9) is an overall structure with the first half tube neck of cylindrical shell (1), the latter half of of cylindrical shell (1) is a garden tube that internal tooth is arranged, in the tube 3 groups of internal tooths that planetary gear is shared are arranged, described one-level planetary gear set (3), secondary planet wheels (4) are star braces (27) that has 3 five equilibrium camber columns, star braces (27) center is welded with a centre tooth (13), also have 3 position of halving and the maintenance garden hole concentric on the star braces (27) with centre tooth (13), 3 star tooth axles (11) respectively are housed in hole, 3 gardens, a star tooth (12) is respectively arranged on 3 star tooth axles (11), two ends and star braces (27) welding with 3 star tooth axles (11), one-level planetary gear set (3) and secondary planet wheels (4) just have been combined into thus, described third-level planetary wheels (5) are star braces (27) that has 3 five equilibrium camber columns, star braces (27) center is welded with an output shaft (6), the front end side of the being tenon of output shaft (6), also have 3 position of halving and the maintenance garden hole concentric on the star braces (27) with output shaft (6), in the hole, 3 gardens on the star braces (27) 3 star tooth axles (11) are housed respectively, a star tooth (12) is respectively arranged on 3 star tooth axles (11), with 3 star tooth axle (11) two ends and star braces (27) welding, third-level planetary wheels (5) just have been combined into thus, described primary input axle (2) is: its end is centre tooth (13), the centre is anti-resilience ratchet (20), the other end is a square tenon that matches with ratchet handle (8) square hole, the centre tooth (13) of primary input axle (2) and the engagement of 3 star teeth (12) of one-level planetary gear set (3).Described resilience-proof device is: by an anti-resilience pawl base (17), and an anti-resilience ratchet (19), a transposition shifting block (18), a steel ball (14), a compression spring (15), a trip bolt (16) is formed.The front end of anti-resilience pawl base (17) is a fluted disc that matches with cylindrical shell (1) internal tooth, fluted disc inserts in the internal tooth of cylindrical shell (1), be fixed with ring washer (10) with the hole, anti-resilience ratchet (19) is in anti-resilience pawl base (17), and with the primary input axle (2) that passes anti-resilience pawl base (17) in anti-resilience ratchet (20) engagement, the other end of anti-resilience ratchet (19) is fixedlyed connected with transposition shifting block (18), stir transposition shifting block (18), anti-resilience ratchet (19) can change the direction of returning support angle with anti-resilience ratchet (20), on the relative position of the middle part detent of preventing resilience pawl base (17), a through hole is arranged, a steel ball (14) is arranged in the through hole, a compression spring (15), steel ball (14) is pressed in the detent of anti-resilience ratchet (19) by compression spring (15), when ratchet handle (8) rotates primary input axle (2), moment is through the transmission of 3 grades of planetary gear combination mechanisms, moment has been exaggerated tens of times, output shaft (6) is under powerful drag effect, primary input axle (2) is produced to reverse, stir the transposition dial, make anti-resilience ratchet (19) and embed in the teeth groove of preventing resilience ratchet (20), this moment, anti-resilience ratchet (20) was prevented that resilience ratchet (19) props up, primary input axle (2) can not reverse, ratchet handle (8) can normally be worked, described ratchet handle (8) is by pawl seat (21), ratchet (22), ratchet (23), shifting block (24), steel ball (25), stage clip (26) is formed.
Claims (6)
1. the industrial labour-saving spanner of an anti-torsion resilience, be by cylindrical shell (1), primary input axle (2), one-level planetary gear set (3), secondary planet wheels (4), third-level planetary wheels (5), ratchet handle (8) and anti-torsion resilient mounting (7) are formed, the short tooth that it is characterized in that the internal tooth criteria of right and wrong profile of tooth in the cylindrical shell (1), with the shared engagement of star tooth (12) in 3 groups of planetary gear set, the short tooth of centre tooth (13) criteria of right and wrong of primary input axle (2), star tooth (12) engagement with one-level planetary gear set (3), the centre tooth (13) of one-level planetary gear set (3) and the engagement of the star tooth (12) of secondary planet wheels (4), the centre tooth (13) of secondary planet wheels (4) and the engagement of the star tooth (12) of third-level planetary wheels (5), star tooth (12) in 3 groups of planetary gear set and centre tooth (13) be the short tooth of the criteria of right and wrong all, one-level planetary gear set (3) and secondary planet wheels (4), the planet carrier structure of third-level planetary wheels (5) is identical, ratchet (22) in the pawl seat (21) of described ratchet handle (8) is an octagonal hole, size and the square tenon of primary input axle (2) match, ratchet (23) can change the direction of returning support angle with ratchet (22) by shifting block (24), between described primary input axle (2) and the cylindrical shell (1) an anti-torsion resilient mounting (7) is arranged.
2. the industrial labour-saving spanner of anti-torsion resilience according to claim 1, it is characterized in that: an end of described cylindrical shell (1) has enough arch spikes (9) that can bear dismounting nut, bolt torsion, and arch spike (9) is an overall structure with the first half tube neck of cylindrical shell (1).
3. the industrial labour-saving spanner of anti-torsion resilience according to claim 1, it is characterized in that: described one-level planetary gear set (3), secondary planet wheels (4) are star braces (27) that has 3 five equilibrium camber columns, star braces (27) center is welded with a centre tooth (13), also have 3 position of halving and the maintenance garden hole concentric on the star braces (27) with centre tooth (13), 3 star tooth axles (11) respectively are housed in hole, 3 gardens, a star tooth (12) is respectively arranged on 3 star tooth axles (11), two ends and star braces (27) welding with 3 star tooth axles (11) just have been combined into one-level planetary gear set (3) and secondary planet wheels (4) thus.
4. the industrial labour-saving spanner of anti-torsion resilience according to claim 1, it is characterized in that: described third-level planetary wheels (5) are star braces (27) that has 3 five equilibrium camber columns, star braces (27) center is welded with an output shaft (6), the front end side of the being tenon of output shaft (6).
5. the industrial labour-saving spanner of anti-torsion resilience according to claim 1, it is characterized in that: an end of described primary input axle (2) is centre tooth (13), the centre is anti-resilience ratchet (20), the other end is a square tenon that matches with ratchet handle (8) square hole, the centre tooth (13) of primary input axle (2) and the engagement of 3 star teeth (12) of one-level planetary gear set (3).
6. the industrial labour-saving spanner of anti-torsion resilience according to claim 1, it is characterized in that: described resilience-proof device is by an anti-resilience pawl base (17), an anti-resilience ratchet (19), a transposition shifting block (18), a steel ball (14), a compression spring (15), a trip bolt (16) is formed, the front end of anti-resilience pawl base (17) is a fluted disc that matches with cylindrical shell (1) internal tooth, fluted disc inserts in the internal tooth of cylindrical shell (1), the hole is fixed with ring washer (10), anti-resilience ratchet (19) is in anti-resilience pawl base (17), and with the primary input axle (2) that passes anti-resilience pawl base (17) in anti-resilience ratchet (20) engagement, the other end of anti-resilience ratchet (19) is fixedlyed connected with transposition shifting block (18), stir transposition shifting block (18), anti-resilience ratchet (19) can change the direction of returning support angle with anti-resilience ratchet (20), on the relative position of the middle part detent of preventing resilience pawl base (17), a through hole is arranged, a steel ball (14) is arranged in the through hole, a compression spring (15), steel ball (14) is pressed in the detent of anti-resilience ratchet (19) by compression spring (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520042805 CN2827645Y (en) | 2005-06-23 | 2005-06-23 | Industrial labour-saving wrench of preventing torsional springback |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520042805 CN2827645Y (en) | 2005-06-23 | 2005-06-23 | Industrial labour-saving wrench of preventing torsional springback |
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CN2827645Y true CN2827645Y (en) | 2006-10-18 |
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CN 200520042805 Expired - Fee Related CN2827645Y (en) | 2005-06-23 | 2005-06-23 | Industrial labour-saving wrench of preventing torsional springback |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102785208A (en) * | 2012-04-11 | 2012-11-21 | 田丽欣 | Torsion setting device for impact wrench |
CN103447996A (en) * | 2013-09-22 | 2013-12-18 | 广西五鸿建设集团有限公司 | Labor-saving wrench |
CN106985921A (en) * | 2016-01-21 | 2017-07-28 | 福特全球技术公司 | The spare tyre lifting mechanism of motor vehicles |
-
2005
- 2005-06-23 CN CN 200520042805 patent/CN2827645Y/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102785208A (en) * | 2012-04-11 | 2012-11-21 | 田丽欣 | Torsion setting device for impact wrench |
CN104827434A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force fixing apparatus for pneumatic wrench in electricity industry |
CN104827429A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torsion specifying device of pneumatic wrench used for electric power industry |
CN104827435A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force fixing apparatus for pneumatic wrench in electricity industry |
CN104827436A (en) * | 2012-04-11 | 2015-08-12 | 胡妍 | Torque force-fixing device used for pneumatic wrench in electricity industry |
CN102785208B (en) * | 2012-04-11 | 2015-10-07 | 胡妍 | A kind ofly determine torque force device for pneumatic impact spanner |
CN104827435B (en) * | 2012-04-11 | 2016-06-22 | 国网山东省电力公司龙口市供电公司 | A kind of pneumatic impact spanner for power industry determine torque force device |
CN103447996A (en) * | 2013-09-22 | 2013-12-18 | 广西五鸿建设集团有限公司 | Labor-saving wrench |
CN106985921A (en) * | 2016-01-21 | 2017-07-28 | 福特全球技术公司 | The spare tyre lifting mechanism of motor vehicles |
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