CN2434106Y - Gear type wire cutting shears - Google Patents
Gear type wire cutting shears Download PDFInfo
- Publication number
- CN2434106Y CN2434106Y CN 00248955 CN00248955U CN2434106Y CN 2434106 Y CN2434106 Y CN 2434106Y CN 00248955 CN00248955 CN 00248955 CN 00248955 U CN00248955 U CN 00248955U CN 2434106 Y CN2434106 Y CN 2434106Y
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- CN
- China
- Prior art keywords
- tool rest
- knife
- cutting
- gear type
- movable
- 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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Abstract
The utility model discloses gear type wire cutting shears. The utility model is composed of a cutting mechanism which is composed of a movable knife seat, a fixed knife seat, a moving knife blade, a fixed knife blade, etc., a propelling mechanism which is composed of an eccentric wheel, ratchets, a knife feeding locking mechanism, etc. and an operating handle which is composed of a fixed handle and a movable handle. The shape the cutting edges assembly of the knife blades of the utility model is improved to be a chicken heart shape, the utility model is provided with a knife feeding locking mechanism, so the knife collapsing phenomena are reduced in the process of cutting, the service life of the knife tool is increased over 50 %, the utility model is light and saves strength when being used for cutting, the incisions are neat, and the knife feeding locking mechanism can ensure that the cutting is smooth and the knife can be retracted conveniently in a laboursaving way, so the structure of the gear type wire cutting shears is more reasonable.
Description
The utility model relates to cable to be cut, especially the conductor cutter of gears engaged structure.
The gear type conductor cutter is used for shearing cable conductor, is used for cutting LGJ400 aluminum stranded conductor and the following steel strand wires of GJ120 in sending power transformation construction and maintenance.The gear type conductor cutter of prior art is made up of cutting mechanism, propulsive mechanism and control crank, its defective foot shearing edge is rounded, make the stressed just very big of shear history once, slowly do not become big by little, so collapse cutter easily cutter life is reduced, the shear history effort influences the neat of otch.
The purpose of this utility model is to overcome the defective of prior art and provides a kind of shearing edge improved gear type conductor cutter, to improve cutter life, alleviates the labour intensity when shearing and improves kerf quality.
According to above-mentioned purpose, embodiment of the present utility model is as follows:
The gear type conductor cutter is made up of cutting mechanism, propulsive mechanism and control crank, and cutting mechanism comprises the movable tool rest that is hinged with pivot pin and fixing tool rest, movable tool rest and fixedly fixing cutting blade and ledger-plate respectively on the tool rest; Propulsive mechanism comprises that the scallop of movable tool rest is provided with latch, be clamped in and adjustment piece that clamping plate fix and fixedly between the tool rest by local, clamping plate and the eccentric wheel that fixedly is provided with closed assembly between the tool rest and ratchet ratchet outer heel teeth bar and the movable tool rest latch realization activity tool rest that intermeshes is done the rotation propelling around hinged pivot pin and is moved; Operating grip comprises and is fixed on clamping plate and the fixing fixed handle between the tool rest, flexible handle with eccentric wheel shank close-fitting suit, and make flexible handle open response agency, it is characterized in that being chicken-core-shape after the shearing edge combination of cutting blade in the described cutting mechanism and ledger-plate, each blade cutting edge is made up of a straightway and large and small two arc sections; Be provided with the feed locking mechanism between fixedly tool rest in propulsive mechanism and the movable tool rest simultaneously.
Described feed locking mechanism comprises with bearing pin and is hinged on clamping plate and the fixing support tooth in the tool rest, the support tooth have one with the monodentate of movable tool rest latch engagement, the support tooth is provided with the torsion spring that is sleeved on the bearing pin, torsion spring one end links to each other with clamping plate, the other end acts on the support tooth, and support tooth monodentate is locked with movable tool rest latch engagement all the time.
The utility model has been done improvement to traditional conductor cutter shearing edge shape, has obtained effect preferably through facts have proved, collapses the cutter phenomenon and significantly reduces, and cutter life improves 50%, and light laborsaving during shearing, otch is neat; The feed locking mechanism guarantees to shear smoothly, and withdrawing is easy to be laborsaving, makes the more reasonable structure of gear type conductor cutter.
Below will be described in detail again the utility model by accompanying drawing embodiment.
Fig. 1 is the utility model structural representation.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is fixed, cutting blade shearing edge structural representation.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is eccentric wheel structure figure.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is ratchet structure figure.
Fig. 8 is the vertical view of Fig. 7.
Fig. 9 is support dental structure figure.
Figure 10 is the vertical view of Fig. 9.
Shown in Fig. 1-4, the gear type conductor cutter is made up of cutting mechanism, propulsive mechanism and control crank.
Cutting mechanism has a movable tool rest (1) and fixing tool rest (18), both are hinged and connected with pivot pin (19), two identical blades are forward and reverse to be fixed on movable tool rest and fixedly on the tool rest, constitute the shearing edge (4) that is chicken-core-shape, each blade cutting edge is made up of a straightway (24) and size two arc sections (22), (23), and blade of shear history is motionless, is called ledger-plate (17), another blade is that the centre of gyration rotates with hinged pivot pin, is called cutting blade (3).
Propulsive mechanism is a Poewr transmission mechanism of realizing shearing, comprise the latch (2) that movable tool rest scallop is provided with, be clamped in by the part and adjustment piece that clamping plate (16) fix and fixedly between the tool rest, adjust piece fixing piece (21) and the movable piece (20) of adjusting adjusted arranged, prevent that movable tool rest from lifting phenomenon on producing in shear history, with till adjusting movable tool rest feed smooth rotation.Clamping plate and fixedly be provided with the eccentric wheel (8) (Fig. 5-6) and the ratchet (15) (Fig. 7-8) of closed assembly between the tool rest are provided with bearing between eccentric wheel and ratchet, and the effect of bearing makes eccentric wheel and ratchet rotate light flexibly.Tooth bar (25) on the limit, ratchet outer intermeshes realization activity tool rest around hinged pivot pin do rotation propelling action with movable tool rest latch (2).Be provided with the feed locking mechanism between fixedly tool rest in propulsive mechanism and the movable tool rest simultaneously, this mechanism comprises with bearing pin (5) and is hinged on clamping plate and the fixing support tooth (6) (Fig. 9-10) in the tool rest, support have on the tooth one with the monodentate (26) of latch engagement, the support tooth is provided with the torsion spring (7) that is sleeved on the bearing pin, torsion spring one end links to each other with clamping plate, the other end acts on the support tooth, make the monodentate of support on the tooth all the time with movable tool rest on latch engagement locking, every propelling one tooth of movable tool rest, engagement just takes place once with latch in monodentate, can not return after making movable tool rest locking, remove the engagement of this monodentate and latch, overcome the torsion spring active force and made monodentate throw off the engagement of latch by the control crank pushing, this moment, movable tool rest got final product counter-rotating, unclamped the shearing force to lead.
Control crank (Fig. 1) comprises and is fixed on clamping plate and the fixing fixed handle between the tool rest (14), flexible handle (9) with eccentric wheel shank close-fitting suit, fixed handle and flexible handle have two kinds, a kind of scalable, handle length can extend, another kind of non-telescoping, handle length is fixed, and present embodiment is non-telescoping fixed length handle.Be provided with in flexible handle and make it open response agency, promptly flexible handle resets by opening response agency after manually pulling and making ratchet-advance one latch, prepares in order to pulling for the second time into tooth.This mechanism is located in the flexible handle chamber, comprises colluding extension spring (11) and the pull bar (10) that draws mutually, and the other end of extension spring colludes and is pulled in pin and goes on the straight pin of flexible handle (13), and the other end of pull bar colludes and is pulled on the ratchet (15).
Be set with taper knob (12) on fixed handle and the flexible handle.
The utility model is when flexible handle (9) abduction, and eccentric wheel (8) is rotation counterclockwise, and the tooth bar (25) that drives on the ratchet breaks away from engagement backward.When flexible handle abduction during to certain position, extension spring (11) in the handle is meshed ratchet again, but do not advance, fashionable in flexible handle (9), drive the rotation of eccentric wheel (8) clockwise direction, drive ratchet (15) promotion activity tool rest latch (2) feeding one tooth forward simultaneously, repeatable operation is cut off until lead like this.
Claims (5)
1. gear type conductor cutter, form by cutting mechanism, propulsive mechanism and control crank, cutting mechanism comprises the movable tool rest (1) that is hinged with pivot pin (19) and fixing tool rest (18), movable tool rest and fixedly fixing cutting blade (3) and ledger-plate (17) respectively on the tool rest; Propulsive mechanism comprises that the scallop of movable tool rest is provided with latch (2), be clamped in by the part and adjustment piece that clamping plate (16) fix and fixedly between the tool rest, clamping plate and fixedly be provided with the eccentric wheel (8) and the ratchet (15) of closed assembly between the tool rest, ratchet outer heel teeth bar (25) and the movable tool rest latch realization activity tool rest that intermeshes is done rotation around hinged pivot pin and is advanced action; Operating grip comprises and is fixed on clamping plate and the fixing fixed handle between the tool rest (14), flexible handle (9) with eccentric wheel shank close-fitting suit, and make flexible handle open response agency, it is characterized in that being chicken-core-shape after shearing edge (4) combination of cutting blade in the described cutting mechanism and ledger-plate, each blade cutting edge is made up of a straightway (24) and large and small two arc sections (22), (23); Be provided with the feed locking mechanism between fixedly tool rest in propulsive mechanism and the movable tool rest simultaneously.
2. gear type conductor cutter as claimed in claim 1, it is characterized in that described feed locking mechanism comprises with bearing pin (5) is hinged on clamping plate and the fixing support tooth (6) in the tool rest, the support tooth have one with the monodentate (26) of movable tool rest latch (2) engagement, the support tooth is provided with the torsion spring (7) that is sleeved on the bearing pin, torsion spring one end links to each other with clamping plate, the other end acts on the support tooth, and support tooth monodentate is locked with movable tool rest latch engagement all the time.
3. gear type conductor cutter as claimed in claim 1 is characterized in that described adjustment piece has fixing piece (21) and the movable piece (20) of adjusting adjusted.
4. gear type conductor cutter as claimed in claim 1, it is characterized in that described flexible handle (9) opens response agency and is located at the flexible handle inner chamber, comprise and collude extension spring (11) and the pull bar (10) that draws mutually, the extension spring other end colludes and is pulled on the straight pin (13), and the pull bar other end colludes and is pulled on the ratchet (15).
5. gear type conductor cutter as claimed in claim 1 is characterized in that being set with taper knob (12) on described fixed handle (14) and the flexible handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248955 CN2434106Y (en) | 2000-08-18 | 2000-08-18 | Gear type wire cutting shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248955 CN2434106Y (en) | 2000-08-18 | 2000-08-18 | Gear type wire cutting shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2434106Y true CN2434106Y (en) | 2001-06-13 |
Family
ID=33607497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00248955 Expired - Fee Related CN2434106Y (en) | 2000-08-18 | 2000-08-18 | Gear type wire cutting shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2434106Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280798A (en) * | 2011-05-06 | 2011-12-14 | 安徽省电力公司宿州供电公司 | Insulated conductor breaking and peeling device |
| CN103706733A (en) * | 2014-01-26 | 2014-04-09 | 国家电网公司 | Fixing method for cutting aluminum stranded conductor |
| CN104128538B (en) * | 2014-06-26 | 2016-02-10 | 国家电网公司 | Win the specific purpose tool of old bar board |
| CN108746826A (en) * | 2018-07-12 | 2018-11-06 | 张新 | A kind of straight snips |
-
2000
- 2000-08-18 CN CN 00248955 patent/CN2434106Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280798A (en) * | 2011-05-06 | 2011-12-14 | 安徽省电力公司宿州供电公司 | Insulated conductor breaking and peeling device |
| CN103706733A (en) * | 2014-01-26 | 2014-04-09 | 国家电网公司 | Fixing method for cutting aluminum stranded conductor |
| CN103706733B (en) * | 2014-01-26 | 2016-05-04 | 国网黑龙江省电力有限公司检修公司 | Aluminum stranded conductor cutting fixing means |
| CN104128538B (en) * | 2014-06-26 | 2016-02-10 | 国家电网公司 | Win the specific purpose tool of old bar board |
| CN108746826A (en) * | 2018-07-12 | 2018-11-06 | 张新 | A kind of straight snips |
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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 |