CN201071276Y - Light aluminum alloy loop chain device for fastening cables - Google Patents
Light aluminum alloy loop chain device for fastening cables Download PDFInfo
- Publication number
- CN201071276Y CN201071276Y CNU2007201091130U CN200720109113U CN201071276Y CN 201071276 Y CN201071276 Y CN 201071276Y CN U2007201091130 U CNU2007201091130 U CN U2007201091130U CN 200720109113 U CN200720109113 U CN 200720109113U CN 201071276 Y CN201071276 Y CN 201071276Y
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- chain
- ratchet
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Abstract
The utility model relates to a smart aluminum alloy ring chain tensioner. An outer wall plate and a ratchet casing are respectively positioned on both sides of a framework, and a guide chain block is positioned on the bottom of the framework; a two-stage gear transmission mechanism includes a spline gear positioned on the right side of a lifting chain wheel, a long shaft gear penetrating the central hole of the lifting chain wheel, and a middle gear assembled in a hole on the right side of the framework; a brake seat in a chain traction mechanism is arranged on the left side of the long shaft gear through a spline, two friction plates and a ratchet are sheathed on the brake seat, the two friction sheets are positioned on both sides of the ratchet, a clutch spring is disposed between the brake seat and a brake nut, and the ratchet is engaged with a pawl fixed on the framework through a pawl pin; a handle and a wrench in an operation mechanism are separately clamped with each other; and a chain via-hole is arranged at the center of a stop block body in a tail ring stop device, a lifting pin is arranged on the end section on one side of the block body and can be screwed in or exit from the chain via-hole, and a chain tail ring bolt lock groove is arranged on the lower end of one side end section of the block body.
Description
Technical field
The utility model relates to and a kind ofly is used for a kind of small-sized manual lifting trailer-type machine, is mainly used in lifting, traction and tensioning operation, belongs to the loop chain turnbuckle and makes the field.
Background technology
Publication number CN1740082A, title " light aluminium alloy chain block ", this Lever Blocks comprises matched main body mechanism, free wrench mechanism and driven sprocket mechanism; Main body mechanism comprises main body cover (19) and is screwed onto the main body cover plate (35) of main body cover (19) bottom that hook (1) connects on main body cover (19) top; The gear system and the sprocket transmission device of the built-in anti-reverse of described main body cover (19), the opening of two suspension hooks is equipped with the Carcel board component that prevents that chain from taking off outward; Ratchet handle assembly (9) in the described free wrench mechanism connects gear wheel shaft (17).Described gear system comprises being equipped with by gear wheel shaft (1) and round washer (22) and outer-hexagonal nut (23) and forms and be positioned at main body cover (19) internal upper part; Described sprocket transmission device comprises by sprocket spindle (27) and big gear wheel (34), head sprocket (32), packing ring (48), retaining nut (49) and retaining nut pin (50) are equipped and forms and be positioned at main body cover (19) bottom.Described free wrench mechanism also comprises handwheel (4), handwheel (4) is equipped mutually with ratchet handle assembly (9) through two socket head cap screws (3), ratchet handle assembly (9) connects described gear wheel shaft (17) through the little ratchet of matched handle (7), the little ratchet of handle still disposes and controls, clockwise moving ratchet (7a), and is assemblied on the gear wheel shaft (17) that stretches out outside the described main body cover (19); Be fitted with front friction plate (12) and back friction lining (14) before and after the large ratchet (13) respectively, front friction plate (12) is equipped mutually with anti-lock rubber ring (1), and back friction lining (14) is equipped mutually with friction wheel (15), and is positioned at described main body cover (19) internal upper part; Described friction wheel (15), back friction lining (14), large ratchet (13), front friction plate (12), anti-lock rubber ring (11), friction disc (10), the little ratchet of handle (7), ratchet cover plate (6), trig loop (5), handwheel (4) order is equipped mutually and all cover be fitted in gear wheel shaft (17) and go up and constitute the integral body of string dress mutually.Described flower wheel mechanism comprises sprocket housing (44), is provided with equipped mutually sprocket shaft (43) and driven sprocket (41) in the sprocket wheel housing (44), and the driven sprocket endoporus is equipped with needle bearing (42); Work chain (37) places between head sprocket (32) and the driven sprocket (41); Following suspension hook (46) is connected the interior below of sprocket wheel housing (44) with copper sheathing (45) and hook nut; Sprocket wheel cap (40) is fixed on the upper end of sprocket wheel housing (44) with socket bolt (39), has cross chain cylindrical void on the sprocket wheel cap (40), and the work chain (37) that is positioned at sprocket wheel housing (44) is sliding to be fitted on driven sprocket (41) wheel track.Its weak point: the one, body adopts open type, and whole drg exposes, and in a single day touches the safety misadventure that brake failure may appear in ratchet during not only water proof and dust proof poor performance, and operation; The 2nd, adopt the one-level gear transmission, transmitting ratio is little, makes that the hoisting chain line number of product is many, occurs twining chain and chain flop phenomenon easily; The 3rd, drag the mode that chain mechanism adopts ratchet and ratchet to get loose, the operation of this mode must be that a hand will firmly be pinned ratchet, and ratchet and ratchet are broken away from, the another hand could spur chain, and operation inconvenience is especially when aloft work, not only inconvenience, and danger coefficient height; The 4th, spanner and mechanism on the operating mechanism are integrated, and long spanner makes product carry very inconvenience, and especially influence is bigger when aloft work is climbed; The 5th, the hook in the erecting by overhang connects with the employing nut that is connected of body, and fixes with round pin, complex structure, and mounting or dismounting inconvenience is unfavorable for maintenance, and following suspension hook and hook housing adopt the nut welding fixing, can't dismantle, maintainability is poor; The 6th, tail ring restraint device is fixed on the tail end of pine end chain, can't adjust the control position of tail ring restraint device according to the position of weight, when the pine end of chain is longer, if cause weight when tenesmus in case brake failure occurs, tail ring restraint device can clash into body fiercely, causes part impaired; The 7th, lead chain spare and adopt aluminum alloy materials, when chain is draged in zero load chain with lead chain spare and can produce strike note, not only influence operation and contaminated environment.
Summary of the invention
Design goal: avoid the weak point in the background technology, designing a kind of one is not only to have the waterproof and dustproof function, and the body of safety of operation; The 2nd, transmission device, not only transmitting ratio is big, and can reduce the hoisting chain line number of product and not be prone to and twine the upset of chain and chain; The 3rd, drag that hand of chain mechanism just can arbitrarily be operated and simple to operation, be particularly useful for aloft work; The 4th, the spanner on the operating mechanism is with mechanism and separates interface arrangment, convenient and safe carrying, and only need set up spanner during work and can operate; The 5th, suspension hook is bearing pin with body and is connected in the erecting by overhang, and not only mounting or dismounting are simple, and is convenient to safeguard, and suspension hook is split with hook housing and flexibly connects down, convenient disassembly not only, and also hoisting chain is difficult for reversing when working; The 6th, tail ring restraint device can be adjusted the control position of tail ring restraint device according to the position of weight, guarantee that turnbuckle is in case occur under the situation that brake failure causes weight tenesmus, can block body immediately, the parts that caused of avoiding clashing are impaired, the more important thing is the personal safety of having guaranteed operating personal.
Design plan: in order to realize above-mentioned design goal.1, body adopts full-closed structure, is one of feature of the present utility model.The purpose of doing like this is: body is transmission device in the turnbuckle, stop mechanism, drag the supporting body of chain mechanism, body is designed to full-enclosed structure, promptly realize being closed of all parts in the body, not only had the function of waterproof and dustproof, and can guarantee the safety used.2, transmission device is designed to the secondary gear transmission device, is two of feature of the present utility model.The purpose of doing like this is: adopt the secondary gear transmission, transmitting ratio is big, has reduced the hoisting chain line number of product, in use is not prone to and twines chain and chain flop phenomenon, and is both easy and simple to handle, guaranteed the safety of operation again.3, draging chain mechanism and adopt the design of braking the mode that gets loose, is three of feature of the present utility model.The purpose of doing like this is: after adopting the drg that gets loose, a hand just can arbitrarily be operated, and makes that operation is more simple and convenient, is particularly useful for aloft work, and has eliminated potential safety hazard.4, the design that separates with mechanism of the spanner on the operating mechanism is four of a feature of the present utility model.The purpose of doing like this is: spanner separates with mechanism, miniaturization and easy that instrument carries have been realized, particularly for aloft work, because instrument is small and exquisite, not only convenient the climbing carried, the more important thing is and improved its safety of carrying widely, only need set up spanner during work and can operate.5, tail ring restraint device is designed to adjustable structure, is five of feature of the present utility model.The purpose of doing like this is: the control position that not only can adjust tail ring restraint device according to the position of weight, make tail ring restraint device near body, and cause weight when tenesmus in case brake failure occurs, tail ring restraint device can block body immediately, can not cause bump fiercely, can not make parts impaired.The more important thing is: guaranteed the safety in its use.6, leading the chain piece and adopt non-metallic material to make, is six of feature of the present utility model.The purpose of doing like this is: not only guaranteed its intensity, and when chain is draged in zero load with lead chain spare and can not produce sound, help environmental protection.
Technical scheme: light aluminum alloy cable chain tightener, it comprises body, transmission device, drag chain mechanism, operating mechanism, hang connecting device, tail ring restraint device and lead chain spare: (1) described body is by Side fascia (1), frame (7), ratchet casing (18) and lead chain piece (26) and constitute, Side fascia (1) and ratchet casing (18) lay respectively at frame (7) both sides, lead chain piece (26) and are positioned at frame (7) bottom; (2) described transmission device is the secondary gear transmission device, its spline gear (5) is positioned at the right side of chain hoist wheel (6), major axis gear (3) passes the centre hole of chain hoist wheel (6) and the gear end on the major axis gear (3) towards the right side, and center tooth wheels (2) are contained in the hole on frame (7) right side and major axis (3) and spline gear (5) are meshed with it; (3) the described drg seat (10) that drags in the chain mechanism is contained in the left side of major axis gear (3) by spline, friction lining (11), ratchet (12) sky are enclosed within on the drg seat (10), two friction linings (11) divide the both sides that are in ratchet (12), clutch spring (13) is placed between drg seat (10) and the stop-off nut (44), and ratchet (12) is meshed with the ratchet (16) that is fixed on the frame (7) by detent pin (15); (4) handle (20) in the described operating mechanism is the split interface arrangment with spanner (25); (5) limiting stopper (29) the block center in the described tail ring restraint device is the chain via, the end of one side of block is provided with ejector pin (3) and can screws in or withdraw from the chain via of block, and the lower end of block one side end is provided with the locked with bolts groove of chain end-rings.
The utility model is compared with background technology, and the one, the design of totally-enclosed body not only has the characteristics of waterproof and dustproof, and avoided in the operation having guaranteed safe in utilization owing to touching the safety misadventure that brake failure that ratchet causes causes; The 2nd, adopt the secondary gear transmission, not only transmitting ratio is big, and has reduced the hoisting chain line number of product, has avoided twining the appearance of chain and chain flop phenomenon; The 3rd, drag the mode that chain mechanism adopts braking to get loose, not only can arbitrarily operate, and high-altitude application is simple, convenient, safety; The 4th, the spanner on the operating mechanism separates with mechanism, not only be convenient to aloft work and climb, and safety is good; The 5th, tail ring restraint device is designed to adjustable structure, has solved that background technology exists because during weight tenesmus that brake failure caused, tail ring restraint device is impaired to the part that clashing of body caused, and to harm that personal safety caused; The 6th, lead the chain piece and adopt non-metallic material, not only reduce noise, and alleviated complete machine weight.
Description of drawings
Fig. 1 is the sectional structure scheme drawing of light aluminum alloy cable chain tightener.
Fig. 2 is the sectional structure scheme drawing of A-A among Fig. 1.
Fig. 3 is the mounting structure scheme drawing of handle.
Fig. 4 rises to the bait and frame bonded assembly master TV structure scheme drawing.
Fig. 5 is Fig. 4 side-looking semi-sictional view structural representation.
Fig. 6 is the structural representation of tail ring restraint device.
Fig. 7 is the blast structural representation of light aluminum alloy cable chain tightener.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1～7.Light aluminum alloy cable chain tightener, it comprises body, transmission device, drags chain mechanism, operating mechanism, hang connecting device, tail ring restraint device and lead chain spare.Described body is by Side fascia 1, frame 7, ratchet casing 18 and lead chain piece 26 and constitute, Side fascia 1 and ratchet casing 18 with reference to accompanying drawing 1 and 7 by the prior art processing and fabricating and lay respectively at frame 7 both sides, frame 7 is pressed prior art die cast or moulding by casting with reference to accompanying drawing 1 and 7, lead chain piece 26 with reference to accompanying drawing 1 and 7 by prior art injection moulding (the chain piece 26 of leading of leading chain spare adopts engineering plastics or Reinforced Nylon to make) moulding and be positioned at frame 7 bottoms, frame 7 tops have Baltimore groove (designing when die casting or casting) in forming mould, two walls of groove have in the rise to the bait axis hole and 32 Baltimore grooves that insert on the frame 7 of rising to the bait, the axle 36 of rising to the bait passes across the axis hole of rising to the bait of 32 bottoms of rising to the bait, and its two ends of rising to the bait axle 36 are positioned at the axis hole of rising to the bait of Baltimore groove two walls.The aperture of the bearing saddle bore 45 in frame 7 die cavities is greater than chain hoist wheel 6 cylindricals, and bearing seat 8 is installed on the bearing saddle bore 45, and purpose is that manufacturing process is simple, and cost is low.
Described transmission device is the secondary gear transmission device, its spline gear 5 is positioned at the right side of chain hoist wheel 6, major axis gear 3 passes the centre hole of chain hoist wheel 6 and the gear end on the major axis gear 3 towards the right side, center tooth wheels 2 are contained in the hole on frame 7 right sides and major axis 3 and spline gear 5 are meshed with it, and the processing of secondary gear transmission device gets final product with installing to install with reference to accompanying drawing 1 and 7 processing (or outsourcing).
Described drag drg seat 10 in the chain mechanism with reference to accompanying drawing 1 and 7 by the prior art processing and fabricating and be contained in the left side of major axis gear 3 by spline, friction lining 11, ratchet 12 are enclosed within on the drg seat 10 by prior art processing and fabricating or outsourcing or external coordination and sky, two friction linings were in the both sides of ratchet 12 in 11 minutes, and ratchet 12 is meshed with the ratchet 16 that is fixed on the frame 7 by detent pin 15.
Limiting stopper 29 block centers in the described tail ring restraint device are the chain via and adopt prior art die cast or moulding by casting, the end of one side of block is provided with ejector pin 30 and can screws in or withdraw from the chain via of block, purpose locks chain by ejector pin, the lower end of block one side end is provided with the locked with bolts groove of chain end-rings, purpose is locked into one chain end-rings and limiting stopper, guarantees safe in utilization.
1～7 the utility model is described in further detail in conjunction with the accompanying drawings.
The handle 20 that has ratchet casing 18 and stop-off nut 44, commutation ratchet 43 is fixed on the stop-off nut 44 by spline, handle 20 is screwed on the left side screw thread of major axis 3 by stop-off nut 44, and makes the ratchet casing 18 on the handle 20 cover whole frame 7, and the screw 19 of screwing on is then fixed.Tab 22 is contained on the left end spline of major axis 3, and this part can be adjusted the degree that gets loose of stop-off nut 44.Handwheel 23 is screwed on the handle 20 by screw 24, can lock or loosen the brake nut 44 by rotating handwheel 23.
Following hook 41 is contained on the load end (facing to an end of rising to the bait) of hoisting chain 28.Following hook housing 37 is two slit bamboo or chopped wood structures, chamber, its underpart be built-in with semicircle packing ring 40, top have pin-and-hole and under revoke 38 and be positioned at pin-and-hole, following hook housing 38 adopts screws 39 to be connected as a single entity.Carcel plate 33 by dual spring 34, screw 35 be installed in rise to the bait 32 and the protruding wall of following hook 41 on and with mouth of hook elasticity locking.Limiting stopper 29 is contained in the pine end (departing from an end of rising to the bait) of hoisting chain 28, and ejector pin 30 is screwed in.Hoisting chain 28 pine end end rings are fixed on the limiting stopper 29 by bolt 31.Spanner 25 is contained on the handle 20, the circular hole that tapered end 47 is aimed on the spanner 25, and jump out and fix.Commutation ratchet 21 is housed on the handle 20.
What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations; just to simple declaration of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.
Claims (6)
1. light aluminum alloy cable chain tightener, it comprises body, transmission device, drags chain mechanism, operating mechanism, hang connecting device, tail ring restraint device and lead chain spare, it is characterized in that:
(1) described body is by Side fascia (1), frame (7), ratchet casing (18) and lead chain piece (26) and constitute, and Side fascia (1) and ratchet casing (18) lay respectively at frame (7) both sides, lead chain piece (26) and are positioned at bottom the frame (7);
(2) described transmission device is the secondary gear transmission device, its spline gear (5) is positioned at the right side of chain hoist wheel (6), major axis gear (3) passes the centre hole of chain hoist wheel (6) and the gear end on the major axis gear (3) towards the right side, and center tooth wheels (2) are contained in the hole on frame (7) right side and major axis (3) and spline gear (5) are meshed with it;
(3) the described drg seat (10) that drags in the chain mechanism is contained in the left side of major axis gear (3) by spline, friction lining (11), ratchet (12) sky are enclosed within on the drg seat (10), two friction linings (11) divide the both sides that are in ratchet (12), clutch spring (13) is placed between drg seat (10) and the stop-off nut (44), and ratchet (12) is meshed with the ratchet (16) that is fixed on the frame (7) by detent pin (15);
(4) handle (20) in the described operating mechanism is the split interface arrangment with spanner (25);
(5) limiting stopper (29) the block center in the described tail ring restraint device is the chain via, the end of block one side is provided with ejector pin (30) and can screws in or withdraw from the chain via of block, and the lower end of block one side end is provided with the locked with bolts groove of chain end-rings.
2. light aluminum alloy cable chain tightener according to claim 1, it is characterized in that: frame (7) top of hanging in the connecting device has Baltimore groove, two walls of groove have rise to the bait axis hole and rise to the bait (32) and insert in the Baltimore groove on the frames (7), the axle (36) of rising to the bait passes across the axis hole of rising to the bait of (32) bottom of rising to the bait, and its two ends of rising to the bait axle (36) are positioned at the axis hole of rising to the bait of Baltimore groove two walls.
3. light aluminum alloy cable chain tightener according to claim 1 is characterized in that: the aperture of the bearing saddle bore (45) in frame (7) die cavity is greater than chain hoist wheel (6) cylindrical, and bearing seat (8) is installed on the bearing saddle bore (45).
4. light aluminum alloy cable chain tightener according to claim 1, it is characterized in that: handle (20) handle core (48) laterally has hole slot, hole slot is built-in with stage clip (46), tapered end (47) is positioned on the stage clip, and sleeve (49) is enclosed within on the handle core (48) and tapered end spacing hole on the sleeve and the formation of the tapered end in handle core elastic telescopic structure.
5. light aluminum alloy cable chain tightener according to claim 1, it is characterized in that: the following hook housing of hanging in the connecting device (37) is two slit bamboo or chopped wood die cavities extension shell, following hook (41) connecting portion blocks groove structure in the form of a ring, and being positioned at down, the two halves round washer (40) of hook housing (41) die cavity extension shell is connected to down the ring-type card groove of hook (41) and hook (41) and following hook housing (37) flexible connection down.
6. light aluminum alloy cable chain tightener according to claim 1 is characterized in that: the described chain piece (26) of leading of leading chain spare adopts non-metallic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201091130U CN201071276Y (en) | 2007-05-01 | 2007-05-01 | Light aluminum alloy loop chain device for fastening cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201091130U CN201071276Y (en) | 2007-05-01 | 2007-05-01 | Light aluminum alloy loop chain device for fastening cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201071276Y true CN201071276Y (en) | 2008-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201091130U Expired - Fee Related CN201071276Y (en) | 2007-05-01 | 2007-05-01 | Light aluminum alloy loop chain device for fastening cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201071276Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079474A (en) * | 2010-12-06 | 2011-06-01 | 河南省电力公司南阳供电公司 | Universal quick connection tool |
| CN105084242A (en) * | 2015-09-01 | 2015-11-25 | 浙江冠林机械有限公司 | Clutch of lever hoist |
| CN105129642A (en) * | 2015-09-01 | 2015-12-09 | 浙江冠林机械有限公司 | Novel lever hoist structure |
| CN105174099A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Guide chain device of lever block |
| CN105174115A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Novel lever block structure |
| CN105174100A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Limiting pull ring of lever block |
| WO2018076892A1 (en) * | 2016-10-24 | 2018-05-03 | 慈溪捷豹起重机械有限公司 | Miniature manual lever hoist |
| CN110027997A (en) * | 2019-03-28 | 2019-07-19 | 浙江双鸟机械有限公司 | The method that integral combined wrench group method and the spanner are assemblied in Lever Blocks |
-
2007
- 2007-05-01 CN CNU2007201091130U patent/CN201071276Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079474A (en) * | 2010-12-06 | 2011-06-01 | 河南省电力公司南阳供电公司 | Universal quick connection tool |
| CN105084242A (en) * | 2015-09-01 | 2015-11-25 | 浙江冠林机械有限公司 | Clutch of lever hoist |
| CN105129642A (en) * | 2015-09-01 | 2015-12-09 | 浙江冠林机械有限公司 | Novel lever hoist structure |
| CN105174099A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Guide chain device of lever block |
| CN105174115A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Novel lever block structure |
| CN105174100A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Limiting pull ring of lever block |
| CN105174115B (en) * | 2015-09-01 | 2017-09-01 | 浙江冠林机械有限公司 | Novel lever block structure |
| CN105174100B (en) * | 2015-09-01 | 2017-09-08 | 浙江冠林机械有限公司 | A kind of spacing draw ring of Lever Blocks |
| WO2018076892A1 (en) * | 2016-10-24 | 2018-05-03 | 慈溪捷豹起重机械有限公司 | Miniature manual lever hoist |
| CN110027997A (en) * | 2019-03-28 | 2019-07-19 | 浙江双鸟机械有限公司 | The method that integral combined wrench group method and the spanner are assemblied in Lever Blocks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20110501 |