CN101920487B - Roller chain tensioning pliers - Google Patents
Roller chain tensioning pliers Download PDFInfo
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- CN101920487B CN101920487B CN2010102442770A CN201010244277A CN101920487B CN 101920487 B CN101920487 B CN 101920487B CN 2010102442770 A CN2010102442770 A CN 2010102442770A CN 201010244277 A CN201010244277 A CN 201010244277A CN 101920487 B CN101920487 B CN 101920487B
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- hinge hole
- bearing pin
- claw
- chain
- hinged
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Abstract
The invention relates to roller chain tensioning pliers, which comprise a fixed left half part, a movable right half part and a double-hole connecting block, wherein the left half part comprises a claw at the front end, a handle at the back end and a convex fork-shaped articulated part in the middle; and the movable right half part comprises a reversed L-shaped movable claw at the front end and a movable handle at the back side. The fixed left half part, the movable right half part and the double-hole connecting block form the tensioning pliers with a four-rod principle, can quickly tension a chain, and is suitable for installation and replacement of a heavy long chain and a flow production line with pressed requirement for maintenance time, thereby effectively reducing the maintenance time, improving the equipment operation rate, improving the comprehensive production efficiency, having the advantages of simple structure, reasonable design and good use effect, and being very favorable for popularization and implementation.
Description
One, technical field:
The present invention relates to a kind of specific purpose tool of straining chain, the particularly a kind of roller chain tensioning pliers that can repair or change chain easily and effectively.
Two, background technology:
In industrial production line, chain drive is the kind of drive of using always, and its unique gearing is arranged.Factor such as wearing and tearing, pitch are elongated but being installed in use, not only long but also heavy chain just increased a lot of workloads, and the chain after long-time the use, owing to must be changed.When installing or change chain, need two statures that chain separates be moved to together as possible, and will keep the wheelbase of chain two joints to equal the pitch of chain just, so that successfully the chain card of chain is installed, make chain become the annulus of a sealing.But because the influence of other jig of installing on the deadweight of chain and the chain when changing chain, all is to rely on the strength of a plurality of staff chain to be held up or relies on the tension of iron wire accomplish installation, dismounting in the past.Very the effort, consuming time.Particularly in the assembly room that kiln factory is arranged, the overhaul of the equipments time seizes every minute and second, and does not have suitable tensioning tool easily possibly bring greater loss.The patent No. is that 200520029742 " tension chain specific purpose tool " is that 200720024528 " chain tensioners " all are to temper the quick fix tool in back to chain with the patent No.; But the tensioning tool that these two kinds of patents all adopt screw rod and nut to cooperate; Need spended time to regulate the tensioner distance during use; Waste time and energy, even need regulate the tensioner degree repeatedly.
Three, summary of the invention:
The objective of the invention is to overcome the deficiency that exists in the prior art and provide a kind of and can reduce labour intensity, shorten maintenance time, improve the roller chain tensioning pliers of maintenance efficiency.
Technical scheme:
A kind of roller chain tensioning pliers, comprise a fixing left side half pincers (relative fixed) and with the movable right side half pincers (left and right is comparatively speaking, is convenient to description architecture); A said left side is partly clamped lobe and is comprised the claw of front end, the handle of rear end and the forked articulated section of middle part protrusion, and the front fork of said forked articulated section is provided with hinge hole B ', back vent is provided with hinge hole A ', and wherein claw, handle, forked articulated section are structure as a whole; The right side of said activity half pincers comprise anti-" L " type movable jaw of front end, the flexible handle of rear side; Be provided with hinge hole B in said anti-" L " type movable jaw rear end near the left side " and near the hinge hole C on right side ", the front end of said rear side flexible handle is respectively equipped with near the hinge hole C ' of front side with near the hinge hole D ' of rear side; Also contain the diplopore contiguous block, one of which end hinge hole A ", other end hinge hole D "; On the said front fork hinge hole B ' and movable jaw the left side hinge hole B " through bearing pin B hinged; on the back vent hinge hole A ' and with contiguous block one end hinge hole A " through bearing pin A hinged; The hinge hole C on movable jaw right side " and flexible handle front side hinge hole C ' hinged through bearing pin C, flexible handle rear side hinge hole D ' and contiguous block other end hinge hole D " to pass through bearing pin D hinged.(above-mentioned each letter only is to be used to distinguish corresponding hinge hole)
Front end at arbitrary claw also is hinged with a locating detent head, and on the claw in this pawl head outside, is provided with the adjustable bolt that is used to control this dop rotation aperture.
Said claw is the arc pawl that is complementary with the chain roller excircle configuration.
Said pawl head is the arc pawl head that is complementary with the chain roller excircle configuration.
Beneficial effect of the present invention:
1, can strain chain fast, the semicircle pawl that adapts with the chain roller radius is arranged, the semicircle pawl can firmly block chain roller, and claw comes off in the time of can not straining chain.Compared with modes such as staff or iron wires, the utility model utilizes the roller chain tensioning pliers of four rod principle manufacturings installing, when changing chain, more can practicing thrift maintenance personal's quantity and workload, can reduce maintenance cost in the past.Be suitable for installing, change and require heavy reel chain and maintenance time urgent flow production line, very effective minimizing maintenance time improve equipment operation rate, improve comprehensive production efficiency.
2, the pawl head of also being furnished with the location at the catching front end, pawl head can be regulated to change opening width, can be fit to promptly using of different model chain.When installation, replacing chain, more more convenient than alternate manner, can reduce maintenance cost.Have simple in structurely, reasonable in design, the advantage that result of use is good is beneficial to promotion and implementation very much.
Four, description of drawings:
Fig. 1 is one of perspective view of roller chain tensioning pliers of the present invention;
Fig. 2 is the assembled state sketch map of Fig. 1;
Fig. 3 is the user mode sketch map of Fig. 1;
Fig. 4-the 1st, one of open configuration sketch map of roller chain tensioning pliers (ABCD forms convex quadrangle);
Fig. 4-the 2nd, two (ABCD forms convex quadrangle) of the open configuration sketch map of roller chain tensioning pliers;
Fig. 4-the 3rd, roller chain tensioning pliers open up into the view (ABCD forms triangle, and wherein AD and CD are located on the same line) of stablizing angle;
Fig. 4-the 4th, one of open configuration sketch map of roller chain tensioning pliers (ABCD is recessed quadrangle);
Fig. 5 be roller chain tensioning pliers of the present invention perspective view two.
Five, specific embodiments:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4-1---Fig. 4-4, a kind of roller chain tensioning pliers, comprise a fixing left side partly clamp 1 with the movable right side half pincers.
A said fixing left side is partly clamped 1 and is comprised the claw 12 of front end, the handle 11 of rear end and the forked articulated section 13 of middle part protrusion, and the front fork of said forked articulated section 13 is provided with hinge hole B ', back vent is provided with hinge hole A '.Wherein claw 12, handle 11, forked articulated section 13 are structure as a whole.
The right side of said activity half pincers comprise anti-" L " type movable jaw 2 of front end, the flexible handle 3 of rear side.Be provided with hinge hole B in said anti-" L " type movable jaw 2 rear ends near the left side " and near the hinge hole C on right side ".The front end of said rear side flexible handle 3 is respectively equipped with near the hinge hole C ' of front side with near the hinge hole D ' of rear side.Said claw is the arc pawl that matees with the chain roller profile phase.
Also contain a diplopore contiguous block 4, one of which end hinge hole A ", other end hinge hole D ".
On the said front fork hinge hole B ' and movable jaw the left side hinge hole B " through bearing pin B hinged; on the back vent hinge hole A ' and with contiguous block one end hinge hole A " through bearing pin A hinged; The hinge hole C on movable jaw right side " and flexible handle front side hinge hole C ' hinged through bearing pin C, flexible handle rear side hinge hole D ' and contiguous block other end hinge hole D " to pass through bearing pin D hinged.
The user mode of the roller chain tensioning pliers of present embodiment is respectively referring to Fig. 3, Fig. 4-1, Fig. 4-2, Fig. 4-3, Fig. 4-4; (fixed and movable claw inserts in the chain 8 two ends adjacent rollers mesopores of fracture respectively comparatively speaking) with front end two claws of roller chain tensioning pliers among Fig. 3.Fig. 4-1, Fig. 4-2, Fig. 4-3, Fig. 4-4 represent the different tensioner degree of tensioning pliers respectively; In Fig. 4-1, Fig. 4-2, Fig. 4-3, Fig. 4-4, exist common constant amount to be: the constant h that is always of AB segment length; Angle α and angle γ are fixed value, and straight line p is a reference coordinate.Can find out from Fig. 4-1, the compression two handles (fixed and movable handle, comparatively speaking) before; When being about to chain 8 two ends of roller chain tensioning pliers insertion fracture; Two handles of roller chain tensioning pliers are broken off with the fingers and thumb to be divided into than wide-angle, and this moment, two claws also opened bigger angle, and distance is I between two claws
3, the quadrangle that ABCD formed is a convex quadrangle; Among Fig. 4-2, after beginning to compress tensioning pliers, reduced distances between two handles, distance also begins to shorten between two claws, between two claws apart from I
2, the quadrangle that ABCD formed is a convex quadrangle; Among Fig. 4-3; After the compression tensioning pliers arrives to a certain degree; Distance further shortens quadrangle that ABCD formed and forms the relatively stable structure of ABC triangle because of AD and CD are located on the same line between two handles; Air line distance in this structure between A and the C is the longest, makes the DC section promote movable jaw (actual in being rotated counterclockwise to the limit) forward to the limit, thus between two claws distance the shortest be I
0, tensioning pliers can not open or compress automatically, is in rock-steady structure; If further compress the handle of tensioning pliers again, the quadrangle that this moment, ABCD formed is recessed quadrangle, and the DC section starts drag movable jaw and moves backward, thereby thereby the distance between two claws begins again to increase, be I
1, this moment the tensioning pliers labile state, this state is applicable to after hours, can take off tensioning pliers flexibly.Actual conditions are I
0＜I
1, I
0＜I
2＜I
1I
3, promptly have only I
0Be in stable state during state.
Embodiment two: referring to Fig. 5; Content and embodiment one are basic identical; Something in common does not repeat; Different is: the front end at movable jaw also is hinged with a locating detent head 5 through bearing pin 6, and on the claw in this pawl head outside, is provided with the adjustable bolt 7 that is used to control this dop degree of rotation, so just can adapt to the more reparation of polytypic chain and use.
Claims (4)
1. roller chain tensioning pliers is characterized in that: comprise a fixing left side half pincers and with the movable right side half pincers; A said left side half pincers comprise the claw of front end, the forked articulated section of the handle of rear end and middle part protrusion, and the front fork of said forked articulated section is provided with hinge hole B ', and back vent is provided with hinge hole A ', and wherein claw, handle, forked articulated section are structure as a whole; The right side of said activity half pincers comprise anti-" L " type movable jaw of front end, the flexible handle of rear side; Be provided with hinge hole B in said anti-" L " type movable jaw rear end near the left side " and near the hinge hole C on right side ", the front end of said rear side flexible handle is respectively equipped with near the hinge hole C ' of front side with near the hinge hole D ' of rear side; Also contain the diplopore contiguous block, one of which end hinge hole A ", other end hinge hole D "; On the said front fork hinge hole B ' and movable jaw the left side hinge hole B " through bearing pin B hinged; on the back vent hinge hole A ' and with contiguous block one end hinge hole A " through bearing pin A hinged; The hinge hole C on movable jaw right side " and flexible handle front side hinge hole C ' hinged through bearing pin C, flexible handle rear side hinge hole D ' and contiguous block other end hinge hole D " to pass through bearing pin D hinged; The quadrangle that bearing pin A, bearing pin B, bearing pin C and bearing pin D are formed is located on the same line to bearing pin C to bearing pin D, bearing pin D because of reduced distances between two handles makes bearing pin A, thereby forms bearing pin A, bearing pin B and the relatively stable structure of bearing pin C triangle.
2. roller chain tensioning pliers according to claim 1 is characterized in that: the front end at arbitrary claw also is hinged with a locating detent head, and on the claw in this pawl head outside, is provided with the adjustable bolt that is used to control this dop rotation aperture.
3. roller chain tensioning pliers according to claim 1 and 2 is characterized in that: arbitrary claw is the arc pawl that is complementary with the chain roller excircle configuration.
4. roller chain tensioning pliers according to claim 2 is characterized in that: said pawl head is the arc pawl head that is complementary with the chain roller excircle configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102442770A CN101920487B (en) | 2010-08-04 | 2010-08-04 | Roller chain tensioning pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102442770A CN101920487B (en) | 2010-08-04 | 2010-08-04 | Roller chain tensioning pliers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920487A CN101920487A (en) | 2010-12-22 |
| CN101920487B true CN101920487B (en) | 2012-07-25 |
Family
ID=43335832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102442770A Expired - Fee Related CN101920487B (en) | 2010-08-04 | 2010-08-04 | Roller chain tensioning pliers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101920487B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378819A (en) * | 2017-07-21 | 2017-11-24 | 红塔烟草(集团)有限责任公司 | Chain maintenance fixture and its application method |
| TWI680035B (en) | 2018-12-17 | 2019-12-21 | 極點股份有限公司 | Chain master link tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US638378A (en) * | 1899-09-08 | 1899-12-05 | Warren S Casterlin | Tongs. |
| US3698181A (en) * | 1970-10-29 | 1972-10-17 | North American Rockwell | Roller chain disconnector apparatus |
| US5842371A (en) * | 1998-02-12 | 1998-12-01 | Liaw; Gwo-Jiang | Wire crimper having adjustment mechanism for adjusting pitch of the jaw mouth |
| US6000304A (en) * | 1997-03-15 | 1999-12-14 | Hegemier; Rolland J. | Chain pliers |
| US7252023B1 (en) * | 2006-12-14 | 2007-08-07 | Christopher Bruce Perry | Locking pliers for detachably lockingly capturing a chain thereto |
| CN201033416Y (en) * | 2007-05-29 | 2008-03-12 | 单武钢 | Large vice with narrow and long lever |
| CN201052611Y (en) * | 2007-06-28 | 2008-04-30 | 张怡 | Chain tension apparatus |
| CN201769172U (en) * | 2010-08-04 | 2011-03-23 | 李解放 | Roller chain tensioning pliers |
-
2010
- 2010-08-04 CN CN2010102442770A patent/CN101920487B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US638378A (en) * | 1899-09-08 | 1899-12-05 | Warren S Casterlin | Tongs. |
| US3698181A (en) * | 1970-10-29 | 1972-10-17 | North American Rockwell | Roller chain disconnector apparatus |
| US6000304A (en) * | 1997-03-15 | 1999-12-14 | Hegemier; Rolland J. | Chain pliers |
| US5842371A (en) * | 1998-02-12 | 1998-12-01 | Liaw; Gwo-Jiang | Wire crimper having adjustment mechanism for adjusting pitch of the jaw mouth |
| US7252023B1 (en) * | 2006-12-14 | 2007-08-07 | Christopher Bruce Perry | Locking pliers for detachably lockingly capturing a chain thereto |
| CN201033416Y (en) * | 2007-05-29 | 2008-03-12 | 单武钢 | Large vice with narrow and long lever |
| CN201052611Y (en) * | 2007-06-28 | 2008-04-30 | 张怡 | Chain tension apparatus |
| CN201769172U (en) * | 2010-08-04 | 2011-03-23 | 李解放 | Roller chain tensioning pliers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101920487A (en) | 2010-12-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20160804 |