CN2316077Y - Electric chain saw - Google Patents
Electric chain saw Download PDFInfo
- Publication number
- CN2316077Y CN2316077Y CN97244368U CN97244368U CN2316077Y CN 2316077 Y CN2316077 Y CN 2316077Y CN 97244368 U CN97244368 U CN 97244368U CN 97244368 U CN97244368 U CN 97244368U CN 2316077 Y CN2316077 Y CN 2316077Y
- Authority
- CN
- China
- Prior art keywords
- motor
- saw
- groove
- electric chain
- punching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses an electric chain saw, relating to a hand-held power cutting tool. A saw chain is driven by a motor through a speed change mechanism. A groove-shaped big end of a stator punching sheet is 8.8 [0] [+0.06] mm, a small end is 5 [0] [+0.04] mm, the length is 11.5 [+0.032] [+0.075], and the inner hole of the punching is phi 48 [0] [+0.03] mm. The number of laminated stator punching sheets is 112. The R of the groove-shaped big end of a stator punching sheet is 1.4 mm, the R of a small end is 1 mm, the phi of a top circle of the rotor is 47.0 [0] [+0.018]mm, and the number of the laminated stator punching sheets is 112. The diameter of an electromagnetic wire is 0.62 mm, and each groove is provided with the number of 114. The electric chain saw has the advantages of stable performance, high safety, and convenient operation and maintenance. The rated power can reach 2.2KW, the power factor is 0.82, and the power of a motor can be enhanced to 74 percents. The peripheral speed of saw blade can be reached by 6.91 m/s, the cutting rate is 75 cm/s, and the specific mass is 4.32 kg/KW.
Description
The utility model relates to a kind of hand electric cutting element with article such as transversal timber, plastics.
Existing M
2L
2950 electric chain saw power are little, and cutting-rate is low, also have shortcomings such as complete machine weight is big.
The purpose of this utility model is to overcome the shortcoming that above-mentioned prior art exists, to M
2L
2---the complete machine performance of 950 electric chain saws is improved, on the reliable basis of proof strength, its parts adopt light alloy material, alleviate the complete machine quality to greatest extent, simultaneously stator, the rotor structure of motor have been done further design, a kind of stable performance is provided, safe and reliable, operating maintenance is convenient, the electric chain saw that specific mass is low.
The utility model is realized with following technical scheme: comprise motor, the stator lead-out wire of motor causes supply socket through switch, and the motor rotor shaft gear end is installed gear, and the gear power transmission shaft connects sprocket wheel and drives the saw chain that is installed on the sawing machine.The big end 8.8 of the stator punching flute profile of described motor
0 + 0.06Mm, small end 5
0 + 0.04Mm, long 11.5
+ 0.032 + 0.075Mm, punching diameter of bore φ 48
0 + 0.039Mm, 112 of number of laminations; The big end radius R of motor rotor punching slice flute profile 1.4mm, small end radius R 1mm, long 4.5mm, rotor outside diameter are φ 47.3
0 + 0.018Mm, 112 of number of laminations; Motor stator winding magnetic wire line is through 0.61～0.63mm, 104 of every groove radicals.
The beneficial effect that the utility model had: the utility model is to M
2L
2---the complete machine performance of 950 electric chain saws is improved, on the reliable basis of proof strength, its parts adopt aluminum alloy materials, alleviate the complete machine quality to greatest extent, simultaneously stator, the rotor structure of motor have been done further design, this saw has stable performance, and is safe and reliable, and operating maintenance is convenient.Electric chain saw rated power after the improvement is brought up to 2.2KW by 1.5KW, and power factor mentions 0.82 by 0.8; Power of motor brings up to 74% by 69%; Sawing speed is brought up to 6.91m/s by 5.5m/s; Cutting-rate is brought up to 75cm/s by 45cm/s; Speed reducing ratio becomes 4.875 by 6.125, and specific mass becomes 4.32kg/kw by 6.3kg/kw.
Description of drawings:
Fig. 1 is the electric chain saw general assembly drawing;
Fig. 2 is the motor installation diagram;
Fig. 3 is a motor stator punching structure;
Fig. 4 is a motor stator punching groove enlarged drawing;
Fig. 5 is the motor rotor punching slice structure;
Fig. 6 is a flute profile enlarged drawing on the motor rotor punching slice.
Describe the utility model in detail below in conjunction with drawings and Examples, accompanying drawing has provided a kind of optimum structure of the utility model, it is by supply socket 1 lead-in cable, cable is placed in the handle cavity, be connected with motor stator winding lead-out wire in the motor 2 by switch enclosure assembling 4, the gear end of the armature spindle of motor is installed gear 3, and the propeller shaft couplings sprocket wheel of gear 3, sprocket wheel drive the saw chain 6 that is installed on the sawing machine 5 and constitute.After energising, the gear end of rotor rotated axle is slowed down through gear 3, and the power transmission shaft of reducing gear connects with sprocket wheel and imports power into sawing machine 5 drive saw chains 6 and carry out cutting operation.Fig. 2 has provided the assembling of motor, this motor is by the stator 7 that is fixed on the housing, stator 7 inner chambers are inserted the cage rotor 8 that an end mill becomes gear, the rotor axle head is installed fan 9, its outer fan guard 10 of installing, hull outside is cast with fin, and motor is provided with drive end bearing bracket and rolling bearing system constitutes.Fig. 3 and Fig. 4 have provided motor stator punching optimum structure, and the groove number of stator punching 11 is that 18 grooves are uniform, the big end 8.8 of each flute profile
0 + 0.06Mm, small end 5
0 + 0.04Mm, flute profile long 11.5
+ 0.032 + 0.075Mm, punching diameter of bore are φ 48
0 + 0.039Mm, the number of laminations that constitutes stator is 112.Fig. 5 and Fig. 6 have provided the optimum structure of motor rotor punching slice 12, and the groove number of motor rotor punching slice 12 is that 22 grooves are uniform, and the big end radius R of each flute profile is 1.4mm, and the small end radius R is 1mm, and flute length is 4.5mm, rotor punching 12 outside diameter φ 47.3
0 + 0.018Mm, the number of laminations that constitutes rotor is 112; Electric electromechanics magnet-wire line directly is 0.62mm, and every groove radical is 104.Stator case adopts aluminium alloy compression casting, and complete machine is in light weight.Through above-mentioned design, this electric chain saw has the technical data of following table.
| Project | Data |
| Speed reducing ratio | 4.875 |
| The saw quality | 9.5kg |
| The rated power rated voltage | 2.2kw 220V |
| Rated current | 9.5A |
| The synchronous revolution of rated frequency | 200Hz 12000γ/min |
| Specific mass | 4.32kg/kw |
Claims (1)
1, a kind of electric chain saw comprises motor, and the motor stator lead-out wire causes supply socket through switch, and the motor rotor shaft gear end is installed gear, and the gear power transmission shaft connects sprocket wheel and drives the saw chain that is installed on the sawing machine, it is characterized in that:
The big end 8.8 of the stator punching flute profile of a, motor
0 + 0.06Mm, small end 5
0 + 0.04Mm, long 11.5
+ 0.032 + 0.075Mm, punching diameter of bore φ 48
0 + 0.039Mm, 112 of number of laminations;
B, the big end radius R of motor rotor punching slice flute profile 1.4mm, small end radius R 1mm, long 4.5mm, rotor outside diameter are φ 47.3
0 + 0.010Mm, 112 of number of laminations;
C, motor stator winding magnetic wire line footpath 0.61～0.63mm, 104 of every groove radicals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97244368U CN2316077Y (en) | 1997-11-18 | 1997-11-18 | Electric chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97244368U CN2316077Y (en) | 1997-11-18 | 1997-11-18 | Electric chain saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2316077Y true CN2316077Y (en) | 1999-04-28 |
Family
ID=33953113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97244368U Expired - Fee Related CN2316077Y (en) | 1997-11-18 | 1997-11-18 | Electric chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2316077Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343465A (en) * | 2010-07-07 | 2012-02-08 | 安德烈亚斯.斯蒂尔两合公司 | Cutting fitting of a chainsaw and chainsaw |
-
1997
- 1997-11-18 CN CN97244368U patent/CN2316077Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343465A (en) * | 2010-07-07 | 2012-02-08 | 安德烈亚斯.斯蒂尔两合公司 | Cutting fitting of a chainsaw and chainsaw |
| CN102343465B (en) * | 2010-07-07 | 2016-07-13 | 安德烈亚斯.斯蒂尔两合公司 | The cutting external member of chain saw and saw chain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |