CN2770883Y - Speed-changing labour-saving wrench - Google Patents
Speed-changing labour-saving wrench Download PDFInfo
- Publication number
- CN2770883Y CN2770883Y CN 200520040298 CN200520040298U CN2770883Y CN 2770883 Y CN2770883 Y CN 2770883Y CN 200520040298 CN200520040298 CN 200520040298 CN 200520040298 U CN200520040298 U CN 200520040298U CN 2770883 Y CN2770883 Y CN 2770883Y
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- tooth
- star
- level planetary
- planetary gear
- gear set
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Abstract
The utility model relates to a speed-changing labour-saving wrench which relates to a manual tool used for dismounting nuts and bolts. The speed-changing labour-saving wrench enables an output moment to be increased by tens of times to hundreds of times via the decelerating effect of three stages of planetary gear train, and a speed-changing labour-saving wrench structure comprises a speed-changing device; after a nut (bolt) is slightly loosened or screwed in, a user can dismount rapidly with little force by using a rapid gear; the output moment of the speed-changing labour-saving wrench is large, and the utility model has the advantages of simple structure and convenient operation; the speed-changing force-increasing wrench is especially suitable for the nut dismounting for a large heavy vehicle tyre, can save labour as well as save time, can be carried in a vehicle, and is also suitable for the dismounting of a large-specification nut (bolt) on large equipment in large factories of factory mine, oilfield, ships, petrifaction, chemical engineering, etc.
Description
Affiliated technical field
The utility model relates to a kind of speed changing force-saving spanner, it is a kind of dismounting nut that is used for, the hand-operated tools that bolt is used, this speed changing force-saving spanner is through the decelerating effect of 3 grades of planet circular systems, make output torque can increase tens of times to over one hundred times, when the coupling mechanism force of the nut (bolt) of institute's dismounting very big, use this instrument can make your dismounting very effortlessly, because the speed reducing ratio of 3 grades of planet circular systems is very big, can help you to tighten or tear open loose nut (bolt) but as need the whole dismounting of nut just more time-consuming, in the structure of speed changing force-saving spanner speed change gear is arranged, after tearing nut (bolt) open pine slightly or tightening slightly, use shelves fast, make your not only laborsaving but also dismounting apace, the moment of this speed changing force-saving spanner output is big, structure is very simple, it is convenient especially to use, and this speed change reinforcement spanner is specially adapted to the nut dismounting of large-scale loaded vehicle tire, and is not only laborsaving but also save time, can carry with car, also be applicable to industrial and mineral, the oil field, boats and ships, petrochemical industry, the dismounting of the big specification nut (bolt) on the medium-and-large-sized equipment of integrated mills such as chemical industry.
Background technology
At present, disclosed a kind of, very laborsaving when dismounting nut (bolt), but, after tightening or tear open loose nut (bolt), nut is all pulled down just more time-consuming as need because speed reducing ratio is very big, at this moment, can change this labour-saving spanner or booster, change another kind of instrument and go to continue dismounting, this is inconvenience but also require great effort time-consuming just not only.
Goal of the invention
The utility model provides a kind of speed changing force-saving spanner, in the structure of this speed changing force-saving spanner speed change gear is arranged, when nut (bolt) is loose slightly or tight slightly, use shelves fast, make your not only laborsaving but also dismounting apace, the moment of this speed change reinforcement spanner output is big, and structure is very simple, and it is convenient especially to use.
Technical scheme
The speed changing force-saving spanner that the utility model relates to, be by cylindrical shell, power shaft, the one-level planetary gear set, the secondary planet wheels, the third-level planetary wheels, form with the diplopore crank handle, its feature 1 is that the internal tooth in the cylindrical shell is a fixed teeth, with the shared engagement of star tooth in 3 groups of planetary gear set, centre tooth that its feature 2 is power shafts and the engagement of the star tooth of one-level planetary gear set, the primary centre tooth of one-level planetary gear and the engagement of the star tooth of secondary planet wheels, the star tooth engagement of the secondary center tooth of secondary planet wheel and third-level planetary wheels, the front portion that its feature 3 is diplopore crank handles is two anistree holes, the end is the hole that is fit to 1/2 inch square tenon, and another is the hole that is fit to 1 inch square tenon.One end of described cylindrical shell has enough arch form spikes that can bear dismounting nut (bolt) moment of 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 power shaft is: its end is the input centre tooth, the centre is the Cylinder that has step, the other end is 1 inch square tenon that matches with diplopore crank handle square hole, 3 star tooth engagements of the centre tooth of power shaft and one-level planetary gear set, the center of power shaft is a through hole, described one-level star-wheel group is a ring flange that has 3 five equilibrium camber columns, the ring flange center is a centre tooth, the middle part of centre tooth also is a through hole, also have 3 position of halving and the maintenance hole concentric on the ring flange with centre tooth, 3 star tooth axles respectively are housed in 3 holes, on 3 star tooth axles, a star tooth is arranged respectively, after an end cap that has 3 branches such as Kong Cheng to distribute is inserted in 3 star tooth axles two ends are welded, just be combined into the one-level planetary gear set thus, described secondary star-wheel group is a ring flange that has 3 five equilibrium camber columns, the ring flange center front is a centre tooth, the rear portion is a major axis, the end of major axis is 1/2 inch square tenon, also have 3 position of halving and the maintenance hole concentric on the ring flange with centre tooth, 3 star tooth axles respectively are housed in 3 holes, on 3 star tooth axles, a star tooth is arranged respectively, after an end cap that has 3 branches such as Kong Cheng to distribute is inserted in 3 star tooth axles two ends are welded, the secondary planet wheels just have been combined into thus, described third-level planetary wheels are ring flanges that have 3 five equilibrium camber columns, there is an output shaft at the ring flange center, the front end of output shaft is 1 inch square tenon, also have 3 position of halving and the maintenance garden hole concentric on the ring flange with output shaft, 3 star tooth axles respectively are housed in 3 holes on the ring flange, on 3 star tooth axles, a star tooth is arranged respectively, an end cap that has 3 branches such as Kong Cheng to distribute is inserted in 3 star tooth axles welds two ends, the third-level planetary wheels just have been combined into thus, with the third-level planetary wheels, the secondary planet wheels, the one-level planetary gear set is packed into behind the cylindrical shell step by step, with bearing, bonnet is inserted in power shaft, be fixed in the cylindrical shell with ring washer with the hole, during use, 1 inch square mortise of diplopore crank handle is inserted in 1 inch square tenon of power shaft and realizes the labour-saving operation, 1/2 inch square mortise of diplopore crank handle is inserted in 1/2 inch square tenon of rear portion major axis of secondary star-wheel group, realizes operation apace.
Beneficial effect
This speed changing force-saving spanner, the moment of output is big, operation field is little, and advantage safe in utilization particularly includes the labour-saving structure, and this structure is very simple again, make easily, this speed changing force-saving spanner is specially adapted to the nut dismounting of large-scale loaded vehicle tire, and is not only laborsaving but also save time, can carry with car, also be applicable to the dismounting of the big specification nut (bolt) on the medium-and-large-sized equipment of integrated mill such as industrial and mineral, oil field, boats and ships, petrochemical industry, chemical industry.
Below in conjunction with embodiment to further specifying as the utility model:
Fig. 1 is the utility model speed changing force-saving spanner structure figure,
Fig. 2 is an one-level planetary gear set structure chart,
Fig. 3 is secondary planet wheel group structure figure,
Fig. 4 is third-level planetary wheel group structure figure,
Fig. 5 be the B of diplopore crank handle among Fig. 1 to view,
Fig. 6 is the 1st grade of planetary gear set A-A cutaway view among Fig. 1,
Among Fig. 1,1. cylindrical shell, 2. arch form spike, 3. power shaft, 4. one-level planetary gear set, 5. secondary planet wheels, 6. third-level planetary wheels, 7. bonnet, 8. hole ring washer, 9. bearing,
Among Fig. 2,10. end cap, 11. star tooth axles, 12. star teeth, 13 ring flanges, 14. primary centre teeth,
Among Fig. 3,15. major axis .16. secondary center teeth.
Among Fig. 4,17. output shafts,
Among Fig. 5,18. diplopore crank handles.
The specific embodiment:
The speed changing force-saving spanner that the utility model relates to, be by cylindrical shell (1), power shaft (3), one-level planetary gear set (4), secondary planet wheels (5), third-level planetary wheels (6) and diplopore crank handle (18) are formed, its feature 1 is: the internal tooth in the cylindrical shell (1) is a fixed teeth, with the shared engagement of star tooth (12) in 3 groups of planetary gear set.Its feature 2 is: star tooth (12) engagement of the centre tooth of power shaft (3) and one-level planetary gear set (4), the primary centre tooth (14) of one-level planetary gear set (4) and the engagement of the star tooth (12) of secondary planet wheels (5), the secondary center tooth (16) of secondary planet wheels (5) and the engagement of the star tooth (12) of third-level planetary wheels (6).Its feature 3 is that the front portion of diplopore crank handle (18) is two anistree holes, and the end is the anistree hole that is fit to 1/2 inch square tenon, and another is the anistree hole that is fit to 1 inch square tenon.One end of described cylindrical shell (1) has enough arch form spikes (2) that can bear dismounting nut (bolt) moment of torsion, arch form spike (2) is an overall structure with the front barrel neck of cylindrical shell (1), the latter half of of cylindrical shell (1) is a garden column casing that internal tooth is arranged, and it has 3 groups of internal tooths that planetary gear set is public.Described power shaft (3) is: its end is the input centre tooth, the centre is the Cylinder that has step, the other end is 1 inch square tenon that matches with diplopore crank handle (18) square hole, 3 star teeth (12) engagement of the centre tooth of power shaft (3) and one-level planetary gear set (4), the center of power shaft (3) is a through hole.Described one-level star-wheel group (4) is a ring flange (13) that has 3 five equilibrium camber columns, ring flange (13) center is a primary centre tooth (14), the middle part of primary centre tooth (14) also is a through hole, ring flange (13) is gone up also has 3 position of halving and maintenance and the concentric hole of primary centre tooth (14), 3 star tooth axles (11) respectively are housed in 3 holes, a star tooth (12) is respectively arranged on 3 star tooth axles (11), an end cap (10) that has 3 branches such as Kong Cheng to distribute is inserted in behind 3 star tooth axles (11) the two ends welding, just has been combined into one-level planetary gear set (4) thus.Described secondary planet wheels (5) are ring flanges (13) that has 3 five equilibrium camber columns, ring flange (13) center front is a secondary center tooth (16), the rear portion is major axis (15), the end of major axis (15) is 1/2 inch square tenon, ring flange (13) is gone up also has 3 position of halving and maintenance and the concentric hole of secondary center tooth (16), 3 star tooth axles (11) respectively are housed in 3 holes, a star tooth (12) is respectively arranged on 3 star tooth axles (11), an end cap (10) that has 3 branches such as Kong Cheng to distribute is inserted in behind 3 star tooth axles (11) the two ends welding, just has been combined into secondary planet wheels (5) thus.Described third-level planetary wheels (6) are ring flanges (13) that has 3 five equilibrium camber columns, there is an output shaft (17) at ring flange (13) center, the front end of output shaft (17) is 1 inch square tenon, also have 3 position of halving and maintenance and the concentric hole of output shaft (17) on the ring flange (13), in 3 holes on the ring flange (13) 3 star tooth axles (11) are housed respectively, a star tooth (12) is respectively arranged on 3 star tooth axles (11), an end cap (10) that has 3 branches such as Kong Cheng to distribute is inserted in behind 3 star tooth axles (11) the two ends welding, just has been combined into third-level planetary wheels (6) thus.Third-level planetary wheels (6), secondary planet wheels (5), one-level planetary gear set (4) are packed into behind the cylindrical shell (1) step by step, with bearing (9), bonnet (7) is inserted in power shaft (3), be fixed in the cylindrical shell (1) with ring washer (8) with the hole, during use, 1 inch square mortise of diplopore crank handle (18) is inserted in 1 inch square tenon of power shaft (3), realizes the labour-saving operation.1/2 inch square mortise of diplopore crank handle (18) is inserted in 1/2 inch square tenon of secondary planet wheels (5) rear portion major axis (15), realizes operation apace.
Claims (7)
1. speed changing force-saving spanner, be by cylindrical shell (1), power shaft (3), one-level planetary gear set (4), secondary planet wheels (5), third-level planetary wheels (6) and diplopore crank handle (18) are formed, its feature 1 is: the internal tooth in the cylindrical shell (1) is a fixed teeth, with the shared engagement of star tooth (12) in 3 groups of planetary gear set.Its feature 2 is: star tooth (12) engagement of the centre tooth of power shaft (3) and one-level planetary gear set (4), the primary centre tooth (14) of one-level planetary gear set (4) and the engagement of the star tooth (12) of secondary planet wheels (5), the secondary center tooth (16) of secondary planet wheels (5) and the engagement of the star tooth (12) of third-level planetary wheels (6).Its feature 3 is that the front portion of diplopore crank handle (18) is two anistree holes, and the end is the anistree hole that is fit to 1/2 inch square tenon, and another is the anistree hole that is fit to 1 inch square tenon.
2. speed changing force-saving spanner according to claim 1, it is characterized in that: an end of described cylindrical shell (1) has enough arch form spikes (2) that can bear dismounting nut (bolt) moment of torsion, arch form spike (2) is an overall structure with the front barrel neck of cylindrical shell (1), the latter half of of cylindrical shell (1) is a garden column casing that internal tooth is arranged, and it has 3 groups of internal tooths that planetary gear set is public.
3. speed changing force-saving spanner according to claim 1, it is characterized in that: described power shaft (3) is that its end is the input centre tooth, the centre is the Cylinder that has step, the other end is 1 inch square tenon that matches with diplopore crank handle (18) square hole, 3 star teeth (12) engagement of the centre tooth of power shaft (3) and one-level planetary gear set (4), the center of power shaft (3) is a through hole.
4. speed changing force-saving spanner according to claim 1, it is characterized in that: described one-level star-wheel group (4) is a ring flange (13) that has 3 five equilibrium camber columns, ring flange (13) center is a primary centre tooth (14), the middle part of primary centre tooth (14) also is a through hole, ring flange (13) is gone up also has 3 position of halving and maintenance and the concentric hole of primary centre tooth (14), 3 star tooth axles (11) respectively are housed in 3 holes, a star tooth (12) is respectively arranged on 3 star tooth axles (11), an end cap (10) that has 3 branches such as Kong Cheng to distribute is inserted in behind 3 star tooth axles (11) the two ends welding, just has been combined into one-level planetary gear set (4) thus.
5. speed changing force-saving spanner according to claim 1, it is characterized in that: described secondary planet wheels (5) are ring flanges (13) that has 3 five equilibrium camber columns, ring flange (13) center front is a secondary center tooth (16), the rear portion is major axis (15), the end of major axis (15) is 1/2 inch square tenon, ring flange (13) is gone up also has 3 position of halving and maintenance and the concentric hole of secondary center tooth (16), 3 star tooth axles (11) respectively are housed in 3 holes, a star tooth (12) is respectively arranged on 3 star tooth axles (11), an end cap (10) that has 3 branches such as Kong Cheng to distribute is inserted in behind 3 star tooth axles (11) the two ends welding, just has been combined into secondary planet wheels (5) thus.
6. speed changing force-saving spanner according to claim 1, it is characterized in that: described third-level planetary wheels (6) are ring flanges (13) that has 3 five equilibrium camber columns, there is an output shaft (17) at ring flange (13) center, the front end of output shaft (17) is 1 inch square tenon, also have 3 position of halving and maintenance and the concentric hole of output shaft (17) on the ring flange (13), in 3 holes on the ring flange (13) 3 star tooth axles (11) are housed respectively, a star tooth (12) is respectively arranged on 3 star tooth axles (11), an end cap (10) that has 3 branches such as Kong Cheng to distribute is inserted in behind 3 star tooth axles (11) the two ends welding, just has been combined into third-level planetary wheels (6) thus.
7. speed changing force-saving spanner according to claim 1, it is characterized in that: third-level planetary wheels (6), secondary planet wheels (5), one-level planetary gear set (4) are packed into behind the cylindrical shell (1) step by step, with bearing (9), bonnet (7) is inserted in power shaft (3), be fixed in the cylindrical shell (1) with ring washer (8) with the hole, during use, 1 inch square mortise of diplopore crank handle (18) is inserted in 1 inch square tenon of power shaft (3), realizes the labour-saving operation.1/2 inch square mortise of diplopore crank handle (18) is inserted in 1/2 inch square tenon of secondary planet wheels (5) rear portion major axis (15), realizes operation apace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040298 CN2770883Y (en) | 2005-03-22 | 2005-03-22 | Speed-changing labour-saving wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040298 CN2770883Y (en) | 2005-03-22 | 2005-03-22 | Speed-changing labour-saving wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2770883Y true CN2770883Y (en) | 2006-04-12 |
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ID=36704669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040298 Expired - Fee Related CN2770883Y (en) | 2005-03-22 | 2005-03-22 | Speed-changing labour-saving wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2770883Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145349A (en) * | 2019-05-29 | 2019-08-20 | 辽宁工程技术大学 | It is a kind of to increase pretightning force device for mine anchor rod |
-
2005
- 2005-03-22 CN CN 200520040298 patent/CN2770883Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145349A (en) * | 2019-05-29 | 2019-08-20 | 辽宁工程技术大学 | It is a kind of to increase pretightning force device for mine anchor rod |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Qin Lingli Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |