CN109926958B - Quick labor-saving wrench for electric power overhaul - Google Patents
Quick labor-saving wrench for electric power overhaul Download PDFInfo
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- CN109926958B CN109926958B CN201910255494.0A CN201910255494A CN109926958B CN 109926958 B CN109926958 B CN 109926958B CN 201910255494 A CN201910255494 A CN 201910255494A CN 109926958 B CN109926958 B CN 109926958B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910000828 alnico Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a quick labor-saving wrench for electric power overhaul, and belongs to the technical field of general tools. It has solved among the prior art electric power overhaul and has used spanner bulky, can not be laborsaving, inefficiency and do not possess the defect of retrieving bolt and nut. It mainly includes spanner head, transmission and handle, the spanner head includes dop and inserted bar, transmission includes the sleeve, sleeve one end sets up the sleeve inner chamber, and the inserted bar can insert the sleeve inner chamber, and inside fixed mounting baffle, first planet decelerator and the second planet speed increaser of fixed mounting in proper order of sleeve, installation guide way on the baffle, installation elastic component and pivot in the guide way, first planet decelerator includes first sun gear and a plurality of first planet wheel, the first roof of sleeve one end installation, first roof middle part fixed mounting second sun gear, second planet speed increaser includes second sun gear, rotary drum and a plurality of second planet wheel.
Description
Technical Field
The invention belongs to the technical field of universal tools, and particularly relates to a quick labor-saving wrench for electric power overhaul.
Background
The spanner is the common tool in the electric power maintenance operation, and electric power maintenance, especially open-air electric power maintenance operation have high altitude construction, bolt and nut easily rust, the narrow and small and dangerous characteristics in working space, and the spanner that current electrician used can not satisfy the requirement of these working characteristics completely. Firstly, the existing spanner for electricians is generally a common insulating spanner, the spanner has the defects of large volume and labor waste, the rotating radius of the spanner is generally the length of the spanner when a bolt and a nut are rotated, the use radius of the spanner is further enlarged, when an electrician is used for detaching the bolt and the nut in a narrow space, if no spanner with proper size is available, peripheral components are generally required to be detached, the working efficiency is greatly reduced, and the danger coefficient is increased; then, some current power supply companies can purchase some non-electric labor-saving wrenches, the non-electric labor-saving wrenches are smaller in size and mass than electric wrenches and more suitable for electric power overhaul, but the non-electric labor-saving wrenches in the current market generally have the defects of large size, large operating radius and low efficiency, the bolt and nut detaching process can be generally divided into two processes, namely, the bolt and nut are rotated for the first time and then are rotated, the bolt and nut are rotated for the first time, the bolt and nut are rotated for the most labor-consuming usually, the bolt and nut rotating process is very easy to follow, the current non-electric labor-saving wrenches generally save labor in the whole process, the rotating efficiency after the bolt and nut are loosened is generally lower than that of a common wrench, and the current non-electric labor-saving wrenches generally cannot distinguish the two processes before and after the bolt and nut are loosened; secondly, when an electrician overhauls at high altitude, the bolt and the nut fall down to be a very troublesome thing, and especially when there is no spare bolt and nut, the current spanner for electric power overhaul does not generally have the ability of retrieving the bolt and the nut.
Disclosure of Invention
The invention aims to provide a quick labor-saving wrench for electric power overhaul, which overcomes the defects that the wrench for electric power overhaul in the prior art is large in size, incapable of saving labor, low in efficiency and incapable of recycling bolts and nuts.
The invention is realized by adopting the following technical scheme: the utility model provides an electric power overhauls uses quick laborsaving spanner, includes wrench end, transmission and handle, its characterized in that: the wrench head comprises a chuck and an inserted link, the inserted link is prismatic, and the circumferential surface of the inserted link is provided with an annular fixing groove; the transmission device comprises a sleeve, wherein one end of the sleeve is provided with a sleeve inner cavity, one end of the sleeve inner cavity is fixedly provided with a magnet, an insertion rod can be inserted into the sleeve inner cavity, the circumferential surface of the sleeve inner cavity is provided with a fixed perforation, a pressing block is arranged in the fixed perforation and can penetrate through the fixed perforation and be inserted into a fixed groove, a partition plate, a first planet speed reducer and a second planet speed reducer are sequentially and fixedly arranged in the sleeve, a guide groove is arranged on the partition plate, an elastic part and a rotating shaft are arranged in the guide groove, the rotating shaft is in contact with the elastic part and presses the elastic part, the first planet speed reducer comprises a first sun wheel and a plurality of first planet wheels, a first inner gear ring is arranged on the sleeve, the first sun wheel is sleeved on the rotating shaft and is provided with a first transmission groove, the first planet wheels are respectively meshed with the first sun wheel and the first inner gear ring, a first top plate is mounted at one end of the sleeve, a second sun wheel is fixedly mounted in the middle of the first top plate, a first through hole is formed in the second sun wheel, the rotating shaft penetrates through the first through hole, the second planet speed increasing device comprises a second sun wheel, a rotating drum and a plurality of second planet wheels, the second planet wheels are connected through a planet carrier, a second inner ring gear is arranged on the inner wall of the rotating drum, the second planet wheels are respectively meshed with the second inner ring gear and the second sun wheel, a second top plate is mounted at one end of the rotating drum, a second through hole is formed in the second top plate, the rotating shaft penetrates through the second through hole, a second transmission groove is formed in the second through hole, a first transmission key and a second transmission key are sequentially and fixedly mounted on the rotating shaft, the first transmission key and the second transmission key are respectively matched with the first transmission groove and the second transmission groove, and a connecting disc; the handle comprises a handle body and a connecting cylinder, the connecting disc is matched with the connecting cylinder and is provided with through holes respectively, fastening bolts are installed in the through holes, nuts are installed at the end parts of the fastening bolts, and an insulating layer is installed on the surface of the handle body.
Furthermore, a first bearing is fixedly installed in the inner cavity of the rotating drum, the first bearing is sleeved on a sleeve, and elastic check rings are respectively and fixedly installed at two ends of the first bearing of the sleeve.
Furthermore, the elastic retainer ring is made of carbon spring steel.
Further, a second bearing is fixedly installed in the inner cavity of the second sun gear, and the second bearing is sleeved on the rotating shaft.
Further, the inner cavities of the insert rod and the sleeve are hexagonal prism-shaped.
Furthermore, the chuck is a hexagonal sleeve, and a magnet is arranged on the inner wall of one end of the inner cavity of the chuck.
Further, the material of the magnet in sleeve inner chamber and dop inner chamber all is alnico permanent magnet.
Further, the elastic member is a spring.
Further, the handle is a vertical structure, and the handle body is parallel to the direction of the connecting cylinder.
Further, the handle is L type structure, and the handle body is perpendicular with the direction of connecting cylinder, the handle still includes the commutator, the commutator includes head rod, second connecting rod and commutator casing, first bevel gear of fixed mounting and second bevel gear respectively on head rod and the second connecting rod, first bevel gear and second bevel gear intermeshing, handle fixed connection head rod, connecting cylinder fixed connection second connecting rod, first bevel gear and second bevel gear all install in the commutator casing, the cover is equipped with the insulating layer on the head rod.
Compared with the prior art, the invention has the beneficial effects that: 1. the handle has the advantages of small volume and small operation radius, the overall length of the handle is 15cm-20cm, the handle has two structural applications, when the handle is in a vertical structure, the handle can meet the working environment with limited transverse space, when the handle works, the operation radius of the handle is the diameter of the handle body, when the handle is in an L-shaped structure, the handle can meet the working environment with limited vertical space, and the operation radius of the handle is the diameter of the handle body. 2. The sleeve is internally provided with a first planetary speed reducer and a second planetary speed increaser, the first planetary speed reducer corresponds to the labor-saving unit, namely the operation process of the first rotation of the bolt and the nut, the first planetary speed reducer is adopted for transmission to increase the torque transmitted to the wrench head, but the rotating speed of the wrench head is reduced, the second planetary speed increaser corresponds to the accelerating unit, namely the operation process of the first rotation of the bolt and the nut, when the bolt and the nut are loosened, the bolt and the nut can be rotated by using small torque, the second planetary speed increaser is adopted for transmission to increase the rotating speed of the wrench head, but the torque on the wrench head is reduced. 3. Can retrieve bolt, nut and gasket, when the dop is the hexagonal sleeve, dop inner chamber one end installation magnet can be held by the magnet of dop inner chamber one end after bolt and nut is unscrewed, and if there is the gasket, the gasket can be held by magnet simultaneously.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a partial enlarged view I of fig. 3.
In the figure: 1. a wrench head; 2. clamping a head; 3. inserting a rod; 4. fixing grooves; 5. a sleeve; 6. an inner cavity of the sleeve; 7. a magnet; 8. briquetting; 9. a partition plate; 10. a guide groove; 11. an elastic member; 12. a rotating shaft; 13. a first sun gear; 14. a first planet gear; 15. a first ring gear; 16. a first transmission groove; 17. a planet carrier; 18. a first top plate; 19. a second sun gear; 20. a second planet wheel; 21. a rotating drum; 22. a second ring gear; 23. a second top plate; 24. a second transmission groove; 25. a first drive key; 26. a second drive key; 27. a connecting disc; 28. a handle body; 29. a connecting cylinder; 30. fastening a bolt; 31. a first bearing; 32. a circlip; 33. a first connecting rod; 34. a second connecting rod; 35. a commutator housing; 36. a first bevel gear; 37. a second bevel gear; 38. a second bearing; 39. the inner cavity of the chuck.
Detailed Description
The invention will be further explained with reference to the drawings.
The utility model provides an electric power overhauls uses quick laborsaving spanner, includes wrench end 1, transmission and handle, its characterized in that: the wrench head 1 comprises a chuck 2 and an inserted link 3, the inserted link 3 is prismatic, and an annular fixing groove 4 is formed in the circumferential surface of the inserted link 3; the transmission device comprises a sleeve 5, one end of the sleeve 5 is provided with a sleeve inner cavity 6, one end of the sleeve inner cavity 6 is fixedly provided with a magnet 7, an inserted bar 3 can be inserted into the sleeve inner cavity 6, the circumferential surface of the sleeve inner cavity 6 is provided with a fixed through hole, a press block 8 is arranged in the fixed through hole, the press block 8 can pass through the fixed through hole and be inserted into a fixed groove 4, a partition plate 9, a first planet speed reducer and a second planet speed increasing device are fixedly arranged in the sleeve 5 in sequence, a guide groove 10 is arranged on the partition plate 9, an elastic part 11 and a rotating shaft 12 are arranged in the guide groove 10, the rotating shaft 12 is contacted with the elastic part 11 and presses the elastic part 11, the first planet speed reducer comprises a first sun wheel 13 and a plurality of first planet wheels 14, a first inner gear ring 15 is arranged on the sleeve 5, the first sun wheel 13 is sleeved on the rotating shaft 12 and is provided with a first transmission groove 16, and the first planet, the plurality of first planet wheels 14 are connected through a planet carrier 17, one end of the sleeve 5 is provided with a first top plate 18, the middle part of the first top plate 18 is fixedly provided with a second sun wheel 19, the second sun wheel 19 is provided with a first through hole, the rotating shaft 12 passes through the first through hole, the second planet speed increasing device comprises a second sun wheel 19, a rotating drum 21 and a plurality of second planet wheels 20, the plurality of second planet wheels 20 are connected through the planet carrier 17, the inner wall of the rotating drum 21 is provided with a second inner gear ring 22, the second planet wheels 20 are respectively engaged with the second inner gear ring 22 and the second sun wheel 19, one end of the rotating drum 21 is provided with a second top plate 23, the second top plate 23 is provided with a second through hole, the rotating shaft 12 passes through the second through hole, the second through hole is provided with a second transmission groove 24, the rotating shaft 12 is sequentially and fixedly provided with a first transmission key 25 and a second transmission key 26, the first transmission key 25 and the second transmission key 26 are respectively matched with the first transmission groove, one end of the rotating shaft 12 is provided with a connecting disc 27; the handle comprises a handle body 28 and a connecting cylinder 29, the connecting disc 27 is matched with the connecting cylinder 29 and is provided with through holes respectively, fastening bolts 30 are installed in the through holes, nuts are installed at the end parts of the fastening bolts 30, and a layer of insulating layer is installed on the surface of the handle body 28.
The clamping head 2 can fix a target object, the target object is a bolt, a nut, a screw or the like, an inserted rod 3 can be inserted into an inner cavity 6 of a sleeve, the inserted rod 3 and the inner cavity 6 of the sleeve are prismatic, the prismatic shape can circumferentially position the inserted rod 3 to prevent the inserted rod 3 from rotating, meanwhile, an annular fixing groove 4 is formed in the circumferential surface of the inserted rod 3, a fixing through hole is formed in the circumferential surface of the inner cavity 6 of the sleeve, a pressing block 8 is installed in the fixing through hole, the pressing block 8 can penetrate through the fixing through hole and be inserted into the fixing groove 4, the pressing block 8 can axially position the inserted rod 3 to prevent the inserted rod 3 from axially moving, a hinge seat can be installed on the circumferential surface of the sleeve 5, and the pressing block 8 is installed on. The insulating layer on the surface of the handle body 28 according to the present invention is an insulating rubber. The number of the first planet wheels 14 and the number of the second planet wheels 20 are 4.
A first bearing 31 is fixedly installed in an inner cavity of the rotating drum 21, the first bearing 31 is sleeved on the sleeve 5, and elastic retainer rings 32 are respectively and fixedly installed at two ends of the first bearing 31 of the sleeve 5.
The first bearing 31 of the present invention can support the sleeve 5, reduce the friction between the sleeve 5 and the drum 21, and only allow the sleeve 5 and the drum 21 to rotate relatively without axial movement.
The material of the elastic retainer ring 32 is carbon spring steel.
A second bearing 38 is fixedly installed in the inner cavity of the second sun gear 19, and the second bearing 38 is sleeved on the rotating shaft 12.
The second bearing 38 according to the present invention provides excellent support for the shaft 12 while reducing friction between the shaft 12 and the second sun gear 19.
The inserted bar 3 and the sleeve inner cavity 6 are both hexagonal prism type.
The chuck 2 is a hexagonal sleeve, and a magnet 7 is arranged on the inner wall of one end of the inner cavity 39 of the chuck.
When the clamping head 2 is a hexagonal sleeve, the clamping heads 1 of various types are arranged, the size of the clamping head 2 of each type of the clamping head 1 is different, each type of the clamping head 1 corresponds to a bolt and nut of one size, the magnet 7 is arranged on the inner wall of one end of the inner cavity 39 of the clamping head, the magnet 7 can be attracted by the magnet 7 at one end of the inner cavity 39 of the clamping head after the bolt and nut are screwed off, and if a gasket exists, the gasket can be attracted by the magnet 7.
The material of the magnet 7 in the sleeve inner cavity 6 and the clamping head inner cavity 39 is an alnico permanent magnet.
The elastic member 11 is a spring.
The elastic member 11 is a spring, and the elastic member 11 can give a certain elastic force to the rotating shaft 12.
The handle is of a vertical structure, and the handle body 28 is parallel to the direction of the connecting cylinder 29.
The handle is of a vertical structure, the vertical structure can meet the working environment with limited transverse space, and the operating radius of the handle is the diameter of the handle body 28 during working.
The handle is L type structure, and the direction of handle body 28 and connecting cylinder 29 is perpendicular, the handle still includes the commutator, the commutator includes head rod 33, second connecting rod 34 and commutator casing 35, first bevel gear 36 and second bevel gear 37 of fixed mounting respectively on head rod 33 and the second connecting rod 34, handle fixed connection head rod 33, connecting cylinder 29 fixed connection second connecting rod 34, first bevel gear 36 and second bevel gear 37 intermeshing, first bevel gear 36 and second bevel gear 37 are all installed in commutator casing 35, the cover is equipped with the insulating layer on the head rod 33.
The handle is of an L-shaped structure, the L-shaped structure can meet the working environment with limited vertical space, the operating radius of the handle is the diameter of the handle body 28, compared with a common wrench or a labor-saving wrench in the prior art, the operating radius is obviously reduced, when the handle is operated, the handle body 28 is rotated, the connecting cylinder 29 is also rotated in a linkage mode under the action of the two bevel gears, and the insulating layer on the first connecting rod 33 is made of insulating plastics.
The working process is as follows:
when the target object is a bolt, firstly, selecting a wrench head 1 with a type of a chuck 2 being a hexagonal sleeve, taking a pressing block 8 on a sleeve 5 out of a fixed through hole, then inserting an inserting rod 3 of the wrench head 1 into an inner cavity 6 of the sleeve, attracting the inserting rod 3 by a magnet 7 in the inner cavity 6 of the sleeve to be tightly attached to the end wall of the inner cavity 6 of the sleeve, sequentially pressing the pressing block 8 into the fixed through hole and a fixed groove 4 to realize the axial and circumferential positioning of the wrench head 1, and then sleeving the hexagonal sleeve on the bolt, the invention can reasonably select the types of handles, namely a handle with a vertical structure and a handle with an L-shaped structure according to the working environment, when the bolt is rotated, firstly, pressing the handle downwards, driving a rotating shaft 12 to move downwards and press an elastic piece 11, when a first top plate 18 is contacted with a second top plate 23, the rotating shaft 12 stops pressing the spring downwards, and simultaneously a first transmission key 25 enters a first transmission groove 16, the second transmission key 26 is completely separated from the second transmission groove 24, at the moment, a user presses and rotates the handle at the same time, the handle drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the first sun gear 13 to further drive the sleeve 5 to rotate, the sleeve 5 drives the wrench head 1 to act on the bolt, at the moment, the first sun gear 13 serves as a power wheel, the wrench is used as a labor-saving wrench, namely, the angular speed of the wrench head 1 is obviously reduced compared with that of the handle, but the torque is increased, after the bolt is rotated, the bolt can rotate only by small torque generally, the user stops pressing the handle, the rotating shaft 12 and the handle move upwards under the action of the spring, meanwhile, the first transmission key 25 is completely separated from the first transmission groove 16, the second transmission key 26 enters the second transmission groove 24, at the moment, when the user rotates the handle, the rotating shaft 12 drives the rotating drum 21 to rotate, and further drives the sleeve 5 and the wrench head 1, at this time, because the power wheel is the rotating drum 21, the whole wrench is taken as an acceleration wrench, namely when the handle is rotated for one circle, the wrench head 1 can rotate for a plurality of circles.
Claims (10)
1. The utility model provides an electric power overhauls uses quick laborsaving spanner, includes wrench end (1), transmission and handle, its characterized in that: the wrench head (1) comprises a clamping head (2) and an insert rod (3), the insert rod (3) is prismatic, and an annular fixing groove (4) is formed in the circumferential surface of the insert rod (3); the transmission device comprises a sleeve (5), one end of the sleeve (5) is provided with a sleeve inner cavity (6), one end of the sleeve inner cavity (6) is fixedly provided with a magnet (7), an inserted bar (3) can be inserted into the sleeve inner cavity (6), a fixed perforation is arranged on the circumferential surface of the sleeve inner cavity (6), a pressing block (8) is arranged in the fixed perforation, the pressing block (8) can pass through the fixed perforation and be inserted into a fixed groove (4), a partition plate (9), a first planet speed reducer and a second planet speed increaser are sequentially and fixedly arranged in the sleeve (5), a guide groove (10) is arranged on the partition plate (9), an elastic piece (11) and a rotating shaft (12) are arranged in the guide groove (10), the rotating shaft (12) is contacted with the elastic piece (11) and presses the elastic piece (11), the first planet speed reducer comprises a first sun wheel (13) and a plurality of first planet wheels (14, a first inner gear ring (15) is arranged on a sleeve (5), the first sun wheel (13) is sleeved on a rotating shaft (12) and provided with a first transmission groove (16), the first planet wheels (14) are respectively meshed with the first sun wheel (13) and the first inner gear ring (15), the first planet wheels (14) are connected through a planet carrier (17), one end of the sleeve (5) is provided with a first top plate (18), the middle part of the first top plate (18) is fixedly provided with a second sun wheel (19), the second sun wheel (19) is provided with a first through hole, the rotating shaft (12) penetrates through the first through hole, the second planet speed increasing device comprises a second sun wheel (19), a rotating drum (21) and a plurality of second planet wheels (20), the second planet wheels (20) are connected through the planet carrier (17), the inner wall of the rotating drum (21) is provided with a second inner gear ring (22), and the second planet wheels (20) are respectively meshed with the second inner gear ring (22) and the second sun wheel (19), a second top plate (23) is installed at one end of the rotary drum (21), a second through hole is formed in the second top plate (23), the rotary shaft (12) penetrates through the second through hole, a second transmission groove (24) is formed in the second through hole, a first transmission key (25) and a second transmission key (26) are sequentially and fixedly installed on the rotary shaft (12), the first transmission key (25) and the second transmission key (26) are respectively matched with the first transmission groove (16) and the second transmission groove (24), and a connecting disc (27) is installed at one end of the rotary shaft (12); the handle comprises a handle body (28) and a connecting cylinder (29), the connecting disc (27) is matched with the connecting cylinder (29) and is provided with through holes respectively, fastening bolts (30) are installed in the through holes, nuts are installed at the end parts of the fastening bolts (30), and a layer of insulating layer is installed on the surface of the handle body (28).
2. The power overhaul fast labor-saving wrench as claimed in claim 1, characterized in that: the inner cavity of the rotary drum (21) is fixedly provided with a first bearing (31), the first bearing (31) is sleeved on the sleeve (5), and two ends of the sleeve (5) of the first bearing (31) are respectively and fixedly provided with elastic check rings (32).
3. The power overhaul fast labor-saving wrench as claimed in claim 2, characterized in that: the elastic retainer ring (32) is made of carbon spring steel.
4. The power overhaul fast labor-saving wrench as claimed in claim 1, characterized in that: and a second bearing (38) is fixedly arranged in the inner cavity of the second sun gear (19), and the second bearing (38) is sleeved on the rotating shaft (12).
5. The power overhaul fast labor-saving wrench as claimed in claim 1, characterized in that: the inserted bar (3) and the sleeve inner cavity (6) are both hexagonal prism type.
6. The power overhaul fast labor-saving wrench as claimed in claim 5, characterized in that: the clamping head (2) is a hexagonal sleeve, and a magnet (7) is arranged on the inner wall of one end of an inner cavity (39) of the clamping head.
7. The power overhaul fast labor-saving wrench as claimed in claim 6, characterized in that: the material of magnet (7) in sleeve inner chamber (6) and dop inner chamber (39) all is alnico permanent magnet.
8. The power overhaul fast labor-saving wrench as claimed in claim 1, characterized in that: the elastic member (11) is a spring.
9. The power overhaul fast labor-saving wrench as claimed in claim 1, characterized in that: the handle is of a vertical structure, and the handle body (28) is parallel to the direction of the connecting cylinder (29).
10. The power overhaul fast labor-saving wrench as claimed in claim 1, characterized in that: the handle is L type structure, and the direction of handle body (28) and connecting cylinder (29) is perpendicular, the handle still includes the commutator, the commutator includes head rod (33), second connecting rod (34) and commutator casing (35), fixed mounting first bevel gear (36) and second bevel gear (37) respectively on head rod (33) and second connecting rod (34), handle fixed connection head rod (33), connecting cylinder (29) fixed connection second connecting rod (34), first bevel gear (36) and second bevel gear (37) intermeshing, first bevel gear (36) and second bevel gear (37) are all installed in commutator casing (35), the cover is equipped with the insulating layer on head rod (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255494.0A CN109926958B (en) | 2019-04-01 | 2019-04-01 | Quick labor-saving wrench for electric power overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255494.0A CN109926958B (en) | 2019-04-01 | 2019-04-01 | Quick labor-saving wrench for electric power overhaul |
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| Publication Number | Publication Date |
|---|---|
| CN109926958A CN109926958A (en) | 2019-06-25 |
| CN109926958B true CN109926958B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910255494.0A Active CN109926958B (en) | 2019-04-01 | 2019-04-01 | Quick labor-saving wrench for electric power overhaul |
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| CN (1) | CN109926958B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112518644A (en) * | 2020-11-30 | 2021-03-19 | 国网青海省电力公司黄化供电公司 | Single-rod electrified bolt fastening tool |
| CN112909828B (en) * | 2021-01-15 | 2022-08-09 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Cable tensioning device for electric power paying-off |
| CN112894687B (en) * | 2021-01-29 | 2023-04-18 | 中国人民解放军第五七一九工厂 | Aero-engine counterweight screw subpackaging tool and method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63221980A (en) * | 1987-03-09 | 1988-09-14 | 株式会社 オリムピツク | Variable speed gearing for rotary power tool |
| JP3514034B2 (en) * | 1996-05-10 | 2004-03-31 | 日立工機株式会社 | Shear wrench |
| CN201098859Y (en) * | 2007-10-31 | 2008-08-13 | 陈相任 | Tight angle screwdriver |
| CN201231471Y (en) * | 2008-07-07 | 2009-05-06 | 王光华 | Multi-stage variable speed labor-saving torque multiplication machine |
| JP5466495B2 (en) * | 2009-12-15 | 2014-04-09 | 株式会社サンノハシ | Fastening tool system |
| CN101920484B (en) * | 2010-07-19 | 2012-08-22 | 苏州百泰柯机械有限公司 | Screw driver |
| CN202805057U (en) * | 2012-03-07 | 2013-03-20 | 盐城纺织职业技术学院 | A rapid transmission accessory for a manual operation socket wrench |
| CN205889006U (en) * | 2016-08-23 | 2017-01-18 | 中国电建集团核电工程公司 | Can change sleeve connecting device who turns to |
| CN207746957U (en) * | 2017-12-07 | 2018-08-21 | 国家电网公司 | The steering Lengthened wrench of belt supporting frame |
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2019
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