CN107598812A - A kind of flywheel disassembling wrench for electric bicycle - Google Patents
A kind of flywheel disassembling wrench for electric bicycle Download PDFInfo
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- CN107598812A CN107598812A CN201710993468.9A CN201710993468A CN107598812A CN 107598812 A CN107598812 A CN 107598812A CN 201710993468 A CN201710993468 A CN 201710993468A CN 107598812 A CN107598812 A CN 107598812A
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- wrench
- alloy
- electric bicycle
- wrench body
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Abstract
The invention discloses a kind of flywheel disassembling wrench for electric bicycle, including pneumatic tool connecting rod, one end of pneumatic tool connecting rod is socketed with wrench body, and pneumatic tool connecting rod and wrench body are detachable, multiple projections are provided with wrench body, it is fluted between projection and projection.Wrench body is prepared using magnesium alloy.A kind of flywheel disassembling wrench for electric bicycle of the present invention, has the characteristics of simple in construction, easy to operation；And both laborsaving and can protected the motor of electric car.
Description
Technical field
The invention belongs to bicycle flywheel withdrawl tool technical field, is related to a kind of flywheel disassembling wrench for electric bicycle.
Background technology
Bicycle could advance when the flywheel of bicycle only rotates forward, and be not driven during reversion, cause bicycle chain easy
Come off from flywheel, only need outer ring firmly to set up easily in Flywheel, but when flywheel goes wrong, be disassembled into
One difficult matter, due to common extracting tool such as screwdriver, pliers, iron hammer etc. in dismounting by beating inner ring downwards, easily
Cause the damage of motor.
The content of the invention
It is an object of the invention to provide a kind of flywheel disassembling wrench for electric bicycle, has simple in construction and easy to operation
Feature.
The technical solution adopted in the present invention is a kind of flywheel disassembling wrench for electric bicycle, including pneumatic tool connection
Bar, one end of pneumatic tool connecting rod are socketed with wrench body, multiple projections are provided with wrench body, are had between projection and projection recessed
Groove.
The features of the present invention also resides in：
Pneumatic tool connecting rod and wrench body are detachable.
Wrench body is prepared using magnesium alloy.
The magnesium alloy that wrench body uses is prepared in accordance with the following steps：
Step 1, by following mass percent weigh each component：Al：5-9%, Mn：0.2-0.4%, Ti：0.01-
0.05%, Zn：0.06-0.6%, Cu：0.01-0.05%, remaining is Mg, total amount 100%；
Step 2, the Mg for weighing step 1 are heated to 650-700 DEG C of progress melting in a furnace, obtain alloy A；
Step 3, temperature risen to 670-700 DEG C, Al, Mn, Zn, Cu that step 1 weighs are added into alloy A, is closed
Golden B；
Step 4, temperature risen to 700-720 DEG C, the Ti that step 1 weighs is added into alloy B, be incubated 20-30 minutes, so
3-5 minutes are stirred afterwards, obtain alloy C；
Step 5, by alloy C temperature be 700-720 DEG C at be incubated 15-20 minutes, it is quiet after being stirred with stirring tool
7-10 minutes are put, then drag for removing dross, is cast using the method for die casting, obtains ingot casting；
Step 6, the ingot casting that step 5 obtains is subjected to Homogenization Treatments 3-7 hours at 370-410 DEG C, and in 390-410
30-50 minutes are incubated at DEG C, plastic working is carried out using binding technology, obtains wrench body.
Binding technology circulates 8-10 passages in step 6, is 10-15% per a time compression ratio, before each passes
Heat 10-15 minutes.
The beneficial effects of the invention are as follows：The present invention flywheel disassembling wrench for electric bicycle, have it is simple in construction, be easy to grasp
The characteristics of making；And both laborsaving and can protected the motor of electric car.
Brief description of the drawings
Fig. 1 is a kind of structural representation of flywheel disassembling wrench for electric bicycle of the present invention.
In figure, 1. pneumatic tool connecting rods, 2. wrench bodies, 3. projections, 4. grooves.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of flywheel disassembling wrench for electric bicycle of the present invention, as shown in figure 1, including pneumatic tool connecting rod 1, pneumatic work
Tool connecting rod 1 one end is socketed with wrench body 2, multiple projections 3 is provided with wrench body 2, fluted 4 between projection 3 and projection 3.
Pneumatic tool connecting rod 1 and wrench body 2 are detachable.
The magnesium alloy that wrench body uses is prepared in accordance with the following steps：
Step 1, by following mass percent weigh each component：Al：5-9%, Mn：0.2-0.4%, Ti：0.01-
0.05%, Zn：0.06-0.6%, Cu：0.01-0.05%, remaining is Mg, total amount 100%；
Step 2, the Mg for weighing step 1 are heated to 650-700 DEG C of progress melting in a furnace, obtain alloy A；
Step 3, temperature risen to 670-700 DEG C, Al, Mn, Zn, Cu that step 1 weighs are added into alloy A, is closed
Golden B；
Step 4, temperature risen to 700-720 DEG C, the Ti that step 1 weighs is added into alloy B, be incubated 20-30 minutes, so
3-5 minutes are stirred afterwards, obtain alloy C；
Step 5, by alloy C temperature be 700-720 DEG C at be incubated 15-20 minutes, it is quiet after being stirred with stirring tool
7-10 minutes are put, then drag for removing dross, is cast using the method for die casting, obtains ingot casting；
Step 6, the ingot casting that step 5 obtains is subjected to Homogenization Treatments 3-7 hours at 370-410 DEG C, and in 390-410
30-50 minutes are incubated at DEG C, plastic working is carried out using binding technology, obtains wrench body.
Binding technology circulates 8-10 passages in step 6, is 10-15% per a time compression ratio, before each passes
Heat 10-15 minutes.
The flywheel disassembling wrench for electric bicycle of the present invention, there is the characteristics of simple in construction, easy to operation；It is and both laborsaving
And can protects the motor of electric car.
A kind of operation principle of flywheel disassembling wrench for electric bicycle of the present invention is：Projection 3 is snapped into electric vehicle flywheel
In 4 grooves of circle, it is connected by pneumatic tool with pneumatic tool connecting rod 1, rotates backward pneumatic tool connecting rod 1, so as to band
Wrench body 2, it is possible to unload flywheel.
Embodiment 1：
Wrench body 2 is prepared using magnesium alloy, and preparation process is as follows：
Step 1, by following mass percent weigh each component：Al：5%, Mn：0.2%, Ti：0.01%, Zn：0.06%,
Cu：0.01%, remaining is Mg, total amount 100%；
Step 2, the Mg for weighing step 1 are heated to 650 DEG C of progress meltings in a furnace, obtain alloy A；
Step 3, temperature is risen to 670 DEG C, Al, Mn, Zn, Cu that step 1 weighs are added into alloy A, obtains alloy B；
Step 4, temperature is risen to 700 DEG C, the Ti that step 1 weighs is added into alloy B, be incubated 20 minutes, then stir 3
Minute, obtain alloy C；
Step 5, by alloy C temperature be 700 DEG C at be incubated 15 minutes, stand 7 minutes after being stirred with stirring tool,
Then removing dross is dragged for, is cast using the method for die casting, obtains ingot casting；
Step 6, the ingot casting that step 5 obtains is carried out at 370 DEG C to Homogenization Treatments 3 hours, and 30 are incubated at 390 DEG C
Minute, 8 passages are circulated using binding technology and carry out plastic working, are 10% per a time compression ratio, before each passes
Heating 10 minutes, obtains wrench body 2.
Embodiment 2：
Wrench body 2 is prepared using magnesium alloy, and preparation process is as follows：
Step 1, by following mass percent weigh each component：Al：7%, Mn：0.3%, Ti：0.035%, Zn：0.2%,
Cu：0.03%, remaining is Mg, total amount 100%；
Step 2, the Mg for weighing step 1 are heated to 670 DEG C of progress meltings in a furnace, obtain alloy A；
Step 3, temperature is risen to 690 DEG C, Al, Mn, Zn, Cu that step 1 weighs are added into alloy A, obtains alloy B；
Step 4, temperature is risen to 710 DEG C, the Ti that step 1 weighs is added into alloy B, be incubated 25 minutes, then stir 4
Minute, obtain alloy C；
Step 5, by alloy C temperature be 710 DEG C at be incubated 17 minutes, stand 8 minutes after being stirred with stirring tool,
Then removing dross is dragged for, is cast using the method for die casting, obtains ingot casting；
Step 6, the ingot casting that step 5 obtains is carried out at 390 DEG C to Homogenization Treatments 5 hours, and 40 are incubated at 400 DEG C
Minute, 9 passages are circulated using binding technology and carry out plastic working, are 12% per a time compression ratio, before each passes
Heating 12 minutes, obtains wrench body 2.
Embodiment 3：
Wrench body 2 is prepared using magnesium alloy, and preparation process is as follows：
Step 1, by following mass percent weigh each component：Al：9%, Mn：0.4%, Ti：0.05%, Zn：0.6%,
Cu：0.05%, remaining is Mg, total amount 100%；
Step 2, the Mg for weighing step 1 are heated to 700 DEG C of progress meltings in a furnace, obtain alloy A；
Step 3, temperature is risen to 700 DEG C, Al, Mn, Zn, Cu that step 1 weighs are added into alloy A, obtains alloy B；
Step 4, temperature is risen to 720 DEG C, the Ti that step 1 weighs is added into alloy B, be incubated 30 minutes, then stir 5
Minute, obtain alloy C；
Step 5, by alloy C temperature be 720 DEG C at be incubated 20 minutes, after being stirred with stirring tool standing 10 points
Clock, removing dross is then dragged for, cast using the method for die casting, obtain ingot casting；
Step 6, the ingot casting that step 5 obtains is carried out at 410 DEG C to Homogenization Treatments 7 hours, and 50 are incubated at 410 DEG C
Minute, 10 passages are circulated using binding technology and carry out plastic working, are 15% per a time compression ratio, before each passes
Heating 15 minutes, obtains wrench body 2.
Claims (5)
- A kind of 1. flywheel disassembling wrench for electric bicycle, it is characterised in that including pneumatic tool connecting rod (1), the pneumatic work One end of tool connecting rod (1) is socketed with wrench body (2), it is uniform at the end face edge of the wrench body (2) on be provided with it is multiple convex Block (3), between the projection (3) and projection (3) fluted (4).
- 2. a kind of flywheel disassembling wrench for electric bicycle according to claim 1, it is characterised in that the pneumatic tool connects Extension bar (1) is detachable with the wrench body (2).
- A kind of 3. flywheel disassembling wrench for electric bicycle according to claim 1, it is characterised in that the wrench body (2) It is prepared using magnesium alloy.
- A kind of 4. flywheel disassembling wrench for electric bicycle according to claim 3, it is characterised in that the wrench body (2) The magnesium alloy of use is prepared in accordance with the following steps：Step 1, by following mass percent weigh each component：Al：5-9%, Mn：0.2-0.4%, Ti：0.01-0.05%, Zn： 0.06-0.6%, Cu：0.01-0.05%, remaining is Mg, total amount 100%；Step 2, the Mg for weighing step 1 are heated to 650-700 DEG C of progress melting in a furnace, obtain alloy A；Step 3, temperature risen to 670-700 DEG C, Al, Mn, Zn, Cu that step 1 weighs are added into alloy A, obtains alloy B；Step 4, temperature risen to 700-720 DEG C, the Ti that step 1 weighs is added into alloy B, insulation, then stirs, is closed Golden C；Step 5, by alloy C temperature be 700-720 DEG C at be incubated 15-20 minutes, stand 7- after being stirred with stirring tool 10 minutes, removing dross is then dragged for, is cast using the method for die casting, obtains ingot casting；Step 6, the ingot casting that step 5 obtains is subjected to Homogenization Treatments 3-7 hours at 370-410 DEG C, and at 390-410 DEG C 30-50 minutes are incubated, plastic working is carried out using binding technology, obtains wrench body (2).
- 5. a kind of flywheel disassembling wrench for electric bicycle according to claim 4, it is characterised in that pricked in the step 6 Process cycles 8-10 passages processed, it is 10-15% per a time compression ratio, 10-15 minutes is heated before each passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993468.9A CN107598812A (en) | 2017-10-23 | 2017-10-23 | A kind of flywheel disassembling wrench for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710993468.9A CN107598812A (en) | 2017-10-23 | 2017-10-23 | A kind of flywheel disassembling wrench for electric bicycle |
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| CN107598812A true CN107598812A (en) | 2018-01-19 |
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|---|---|---|---|
| CN201710993468.9A Pending CN107598812A (en) | 2017-10-23 | 2017-10-23 | A kind of flywheel disassembling wrench for electric bicycle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286091Y (en) * | 1997-01-18 | 1998-07-15 | 王怀宝 | Spanner for mounting & dismounting flying wheels of bicycle |
| CN101205583A (en) * | 2006-07-26 | 2008-06-25 | 哈尔滨工业大学 | High strength and ductility high-damping wrought magnesium alloy and preparation thereof |
| CN101857934A (en) * | 2010-06-23 | 2010-10-13 | 周天承 | Heat-resistant magnesium alloy and preparation method thereof |
| CN201841497U (en) * | 2011-01-06 | 2011-05-25 | 山东比德文动力科技有限公司 | Flywheel disassembling wrench for electric bicycle |
-
2017
- 2017-10-23 CN CN201710993468.9A patent/CN107598812A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286091Y (en) * | 1997-01-18 | 1998-07-15 | 王怀宝 | Spanner for mounting & dismounting flying wheels of bicycle |
| CN101205583A (en) * | 2006-07-26 | 2008-06-25 | 哈尔滨工业大学 | High strength and ductility high-damping wrought magnesium alloy and preparation thereof |
| CN101857934A (en) * | 2010-06-23 | 2010-10-13 | 周天承 | Heat-resistant magnesium alloy and preparation method thereof |
| CN201841497U (en) * | 2011-01-06 | 2011-05-25 | 山东比德文动力科技有限公司 | Flywheel disassembling wrench for electric bicycle |
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Application publication date: 20180119 |
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