CN103818839A - Self-adjusting preload steel wire rope rigging - Google Patents
Self-adjusting preload steel wire rope rigging Download PDFInfo
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- CN103818839A CN103818839A CN201410073718.3A CN201410073718A CN103818839A CN 103818839 A CN103818839 A CN 103818839A CN 201410073718 A CN201410073718 A CN 201410073718A CN 103818839 A CN103818839 A CN 103818839A
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Abstract
The invention relates to a self-adjusting preload steel wire rope rigging. The self-adjusting preload steel wire rope rigging comprises a rigging body, wherein the middle part of the rigging body is provided with a plurality of outer coniform trapezoidal bulges, an upper semicircular body and a lower semicircular body which are buckled together are arranged at the outside of the outer coniform trapezoidal bulges; one end of each of the upper semicircular body and the lower semicircular body is provided with a fixing plate, and each of the other ends of the upper semicircular body and the lower semicircular body is provided with an external spring support; the rigging body penetrates through the fixing plate and the external spring support and then is fixed by a locking nut; the middle parts of the inner sides of the upper semicircular body and the lower semicircular body are provided with projected blocks; a cavity is formed between the projected blocks and the spring support; the rigging body is sleeved with a spiral spring; the upper semicircular body and the lower semicircular body are compressed on the fixing plate under the function of the preload of the spiral spring. The self-adjusting preload steel wire rope rigging provided by the invention automatically adjusts through the spiral spring, which is timely and reliable; and the cumbersome labor is saved, and the performance reduction due as a telescopic boom is not in place due to the untimely adjusting as well as the not smooth operation and the early damage of the parts due to the impact can be avoided; electrostatic spray is performed on the surfaces of the outer coniform trapezoidal bulges and the inner coniform trapezoidal bulges, so that the friction resistance of the automatic adjustment can be reduced.
Description
Technical field
The invention belongs to the construction machinery and equipment traction rigging technical fields such as Telescopic crane, fork installation, aerial platform, be specifically related to a kind of self-regulation preload rope rig.
Background technology
Telescopic boom construction machinery and equipment and the equipment of the above armed lever of three joints, final section armed lever is the armed lever of saving hydraulic cylinder in telescopic arm driving by second from the bottom, drives lifting by steel rope and pulley.The preload adjusted of stretching out steel rope and retraction steel rope when equipment dispatches from the factory is good, but in use along with the stretching of steel rope and the wearing and tearing of transmission parts, preload can progressively disappear and fluff, cause stretching, armed lever is not in place when contracting, affect effective operation height, and the impact that produces flexible armed lever process, affect operation horizontal stability and part life.More than the telescopic boom joint number of single hydraulically extensible cylinder control now reaches Pyatyi, and control every joint suspension rod stretch out steel rope and retraction steel rope mostly also is two, tension after its whole retraction is entirely with people's sensation, and work operations amount is large and cannot realize timely adjustment.
Summary of the invention
The object of the present invention is to provide one can automatically regulate by coil spring, reliable in time, save loaded down with trivial details work, avoid that the Telescopic suspension rod that causes is not in time not in place to be caused hydraulic performance decline and impact the operation that causes not steadily and the self-regulation preload rope rig of parts earlier period damage because regulating.
The technical solution adopted for the present invention to solve the technical problems is: a kind of self-regulation preload rope rig, comprise rigging body, the middle part of described rigging body is provided with the trapezoidal projection of multiple outer cones, the outside of the trapezoidal projection of outer cone is provided with first circle and second circle of fastening, one end of described first circle and second circle is provided with adapter plate, the other end is provided with outer spring seat, described rigging body is through fixing with jam nut after adapter plate and outer spring seat, the middle inside of described first circle and second circle is provided with projection, between described projection and outer spring seat, form cavity, on described rigging body, cover has coil spring, described first circle and second circle are pressed on adapter plate under the effect of coil spring predetermincd tension.
Particularly, the outer wall of described first circle and second circle is locked by sheathed round wire circlip.
Particularly, described projection is provided with the female cone dovetail groove being meshed with the trapezoidal projection of outer cone, when rope rig is applied to and stretches out steel rope or retraction steel rope and carry out semi-girder or the action of contracting arm, first circle and second circle are rigidly connected by the trapezoidal projection of intermeshing outer cone and female cone dovetail groove, guarantee the effective travel of the flexible armed lever of three joints.
Particularly, described coil spring passes through the inner spring seat pretension of outer spring seat and close projection one end in cavity, and jam nut is used for adjusting the predetermincd tension of coil spring to rope rig.
Particularly, electrostatic plastic spraying processing is carried out on the trapezoidal projection of described outer cone and female cone dovetail groove surface.
The present invention has following beneficial effect: self-regulation preload rope rig of the present invention is simultaneously as stretching out and retraction steel rope, can automatically regulate by coil spring, reliable in time, save loaded down with trivial details work, avoid that the Telescopic suspension rod that causes is not in time not in place to be caused hydraulic performance decline and impact the operation that causes not steadily and parts earlier period damage because regulating; Electrostatic plastic spraying processing is carried out on the trapezoidal projection of outer cone and female cone dovetail groove surface, reduces the friction drag automatically regulating, and technique is reasonable, does not need solvent or diluent, and Construction on Environment is pollution-free, to human body nonhazardous; Appearance of coat good quality, adhesive ability and mechanical strength are strong; Spraying application cure time is short; Coating anticorrosive anti-wear ability is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1 rigging body, 2 adapter plates, 3 round wire circlips, 4 first circles, 5 jam nuts, 6 outer spring seats, 7 coil springs, 8 second circles, 9 inner spring seats, 10 female cone dovetail grooves, the trapezoidal projection of 11 outer cone, 12 projections.
The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.
As shown in Figure 1, a kind of self-regulation preload rope rig, comprise rigging body 1, the middle part of described rigging body 1 is provided with multiple outer cones trapezoidal protruding 11, trapezoidal protruding 11 the outside of outer cone is provided with first circle 4 and second circle 8 of fastening, one end of described first circle 4 and second circle 8 is provided with adapter plate 2, the other end is provided with outer spring seat 6, described rigging body 1 is rear fixing with jam nut 5 through adapter plate 2 and outer spring seat 6, the middle inside of described first circle 4 and second circle 8 is provided with projection 12, between described projection 12 and outer spring seat 6, form cavity, on described rigging body 1, cover has coil spring 7, described first circle 4 and second circle 8 are pressed on adapter plate 2 under coil spring 7 predetermincd tension effects.
Particularly, the outer wall of described first circle 4 and second circle 8 is locked by sheathed round wire circlip 3.
Particularly, described projection 12 is provided with the female cone dovetail groove 10 being meshed with outer cone trapezoidal protruding 11.
Particularly, inner spring seat 9 pretensions that described coil spring 7 passes through outer spring seat 6 and close projection 12 one end are in cavity.
Use the reasons such as parts wear, steel rope be elongated to cause predetermincd tension not enough and while occurring getting loose because of permanent, rope rig body 1 is under coil spring 7 predetermincd tension effects, outer cone trapezoidal protruding 11 overcomes the friction force forming with female cone dovetail groove 10 that the coupling mechanism force of round wire circlip 3 produces, 1-n the ladder that slide outward, completes the pretension that stretches out steel rope or retraction steel rope automatically.
For guaranteeing that rope rig body 1 and first circle 4, second circle 8 have enough intensity and outer cone trapezoidal protruding 11 and female cone dovetail groove 10 to have less friction coefficient, rope rig body 1, first circle 4, second circle 8 all use the cold die forging of high quality carbon rod iron, and electrostatic plastic spraying processing is carried out on outer cone trapezoidal protruding 11 and female cone dovetail groove 10 surfaces.
Electrostatic plastic spraying principle is: borrow pressurized air gas to send into spray gun by powder-supply system acrylic acid powder coatings, be added with at spray gun front end the high pressure that HV generator produces, due to bunch discharge, produce in its vicinity intensive electric charge, when powder is sprayed by rifle mouth, form charged coating particle, it is subject to the effect of electrostatic force, being drawn onto workpiece opposite polarity with it gets on, along with the powder of spraying increases, electric charge gathers also more, in the time reaching certain thickness, owing to producing electrostatic repulsion, just do not continue absorption, thereby make whole workpiece obtain certain thickness powder coating, then through the overheated powder melts that makes, levelling, solidify, form hard film at surface of the work, then carry out on demand machine up.Concrete technology:
1, pre-processing: oil removing, rust cleaning, phosphatization, passivation.Workpiece must not have oil, rust, dirt after pre-processing, on the glossiness surface of original silvery white, generates the even and coarse grey phosphating coat that is not easy to get rusty of one deck, plays antirust, to increase plastic-blasting layer adhesive ability effect.
2, electrostatic spraying: utilize electrostatic absorption principle, the surface uniform of workpiece spray one deck acrylic clear powder, the powder falling reclaims by recovery system, after sieving, can use again.
3, hot setting: the workpiece having sprayed is pushed to curing oven, be heated to predetermined temperature (180-185 degree Celsius), and be incubated the corresponding time (10-12 minute); The cooling finished product that obtains is taken out in blow-on.
4, machine up: machining cone coated surface by drawing.
The present invention is not limited to above-mentioned embodiment, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Technology, shape, structure part that the present invention does not describe in detail are known technology.
Claims (5)
1. a self-regulation preload rope rig, comprise rigging body (1), it is characterized in that, the middle part of described rigging body (1) is provided with the trapezoidal projection of multiple outer cones (11), the outside of the trapezoidal projection of outer cone (11) is provided with first circle (4) and second circle (8) of fastening, one end of described first circle (4) and second circle (8) is provided with adapter plate (2), the other end is provided with outer spring seat (6), described rigging body (1) is rear fixing with jam nut (5) through adapter plate (2) and outer spring seat (6), the middle inside of described first circle (4) and second circle (8) is provided with projection (12), between described projection (12) and outer spring seat (6), form cavity, the upper cover of described rigging body (1) has coil spring (7), described first circle (4) and second circle (8) are pressed on adapter plate (2) under coil spring (7) predetermincd tension effect.
2. self-regulation preload rope rig according to claim 1, is characterized in that, the outer wall of described first circle (4) and second circle (8) is locked by sheathed round wire circlip (3).
3. self-regulation preload rope rig according to claim 1, is characterized in that, described projection (12) is provided with the female cone dovetail groove (10) being meshed with the trapezoidal projection of outer cone (11).
4. self-regulation preload rope rig according to claim 1, is characterized in that, described coil spring (7) passes through inner spring seat (9) pretension of outer spring seat (6) and close projection (12) one end in cavity.
5. self-regulation preload rope rig according to claim 1, is characterized in that, electrostatic plastic spraying processing is carried out on the trapezoidal projection of described outer cone (11) and female cone dovetail groove (10) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073718.3A CN103818839B (en) | 2014-03-03 | 2014-03-03 | A kind of self-regulation preload rope rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073718.3A CN103818839B (en) | 2014-03-03 | 2014-03-03 | A kind of self-regulation preload rope rig |
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| CN103818839A true CN103818839A (en) | 2014-05-28 |
| CN103818839B CN103818839B (en) | 2016-01-06 |
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| CN201410073718.3A Active CN103818839B (en) | 2014-03-03 | 2014-03-03 | A kind of self-regulation preload rope rig |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000469A1 (en) * | 2014-06-30 | 2016-01-07 | 东北大学 | Adaptive load hoisting mechanism |
| CN110804941A (en) * | 2019-11-20 | 2020-02-18 | 佛山科学技术学院 | Stay cable stretching anchoring anti-retraction device |
| US11148917B2 (en) | 2016-03-15 | 2021-10-19 | Bush Winches And Anchors Pty Ltd | Multifunctional system for the self-recovery of wheeled vehicles |
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| US4379500A (en) * | 1980-03-25 | 1983-04-12 | Nissan Motor Co., Ltd. | Parking brake cable adjusting device |
| DE19852977C1 (en) * | 1998-11-17 | 1999-10-07 | Brose Fahrzeugteile | Arrangement for ensuring a relative movement between parts of a chord window raising device |
| US20080307916A1 (en) * | 2007-06-18 | 2008-12-18 | Tomandl Mark G | Cable length adjustment mechanism |
| KR20090096832A (en) * | 2008-03-10 | 2009-09-15 | 하나시스텍(주) | A device for adjusting tension of the wire in the batten of the stage |
| CN201619985U (en) * | 2010-02-05 | 2010-11-03 | 磐吉奥(湖南)工业有限公司 | Pull wire automatic tensioner of auto-compensation rope pulley-type glass lifter for automobile |
| CN203699771U (en) * | 2014-03-03 | 2014-07-09 | 愚公机械股份有限公司 | Pre-tightness self-adjusting steel wire rope rigging |
-
2014
- 2014-03-03 CN CN201410073718.3A patent/CN103818839B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4379500A (en) * | 1980-03-25 | 1983-04-12 | Nissan Motor Co., Ltd. | Parking brake cable adjusting device |
| DE19852977C1 (en) * | 1998-11-17 | 1999-10-07 | Brose Fahrzeugteile | Arrangement for ensuring a relative movement between parts of a chord window raising device |
| US20080307916A1 (en) * | 2007-06-18 | 2008-12-18 | Tomandl Mark G | Cable length adjustment mechanism |
| KR20090096832A (en) * | 2008-03-10 | 2009-09-15 | 하나시스텍(주) | A device for adjusting tension of the wire in the batten of the stage |
| CN201619985U (en) * | 2010-02-05 | 2010-11-03 | 磐吉奥(湖南)工业有限公司 | Pull wire automatic tensioner of auto-compensation rope pulley-type glass lifter for automobile |
| CN203699771U (en) * | 2014-03-03 | 2014-07-09 | 愚公机械股份有限公司 | Pre-tightness self-adjusting steel wire rope rigging |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000469A1 (en) * | 2014-06-30 | 2016-01-07 | 东北大学 | Adaptive load hoisting mechanism |
| US10077175B2 (en) | 2014-06-30 | 2018-09-18 | Northeastern University | Load-adaptive hoisting mechanism |
| US11148917B2 (en) | 2016-03-15 | 2021-10-19 | Bush Winches And Anchors Pty Ltd | Multifunctional system for the self-recovery of wheeled vehicles |
| CN110804941A (en) * | 2019-11-20 | 2020-02-18 | 佛山科学技术学院 | Stay cable stretching anchoring anti-retraction device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103818839B (en) | 2016-01-06 |
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Effective date of registration: 20161018 Address after: 277500, No. 1288 Luban Avenue South Road, Tengzhou Economic Development Zone, Shandong, Zaozhuang Patentee after: Shandong Luban Machinery Technology Co., Ltd. Address before: 277500 Tengzhou Luban Road, Shandong, No. 1288 South Road, No. Patentee before: Yugong Machinery Co., Ltd. |