CN102506981A - Universal buffering guide sleeve - Google Patents

Universal buffering guide sleeve Download PDF

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Publication number
CN102506981A
CN102506981A CN2011103049548A CN201110304954A CN102506981A CN 102506981 A CN102506981 A CN 102506981A CN 2011103049548 A CN2011103049548 A CN 2011103049548A CN 201110304954 A CN201110304954 A CN 201110304954A CN 102506981 A CN102506981 A CN 102506981A
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CN
China
Prior art keywords
ring bush
annular
valve jacket
buffer
orienting sleeve
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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.)
Granted
Application number
CN2011103049548A
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Chinese (zh)
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CN102506981B (en
Inventor
徐天宝
徐光源
陈梅红
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PUTIAN LITIAN MEASURING AND CONTROLLING TECHNOLOGY Co Ltd
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PUTIAN LITIAN MEASURING AND CONTROLLING TECHNOLOGY Co Ltd
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Priority to CN2011103049548A priority Critical patent/CN102506981B/en
Publication of CN102506981A publication Critical patent/CN102506981A/en
Application granted granted Critical
Publication of CN102506981B publication Critical patent/CN102506981B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a universal buffering guide sleeve and relates to a buffering and spacing device. The universal buffering guide sleeve provided by the invention can avoid ageing and effectively resist a lateral force. The universal buffering guide sleeve is provided with an annular lining and an annular shell sleeve, wherein the upper end of the annular lining and the upper end of the annular lining are fixedly connected; the lower end of the annular lining is fixedly connected with the lower end of the annular shell sleeve; the outer surface of the annular lining is provided with at least four annular elastic grooves; a flange formed between every two adjacent annular elastic grooves is an anti-impact protective ladder; a radial buffering gap is arranged between each anti-impact protective ladder and the inner surface of the annular shell sleeve; the annular lining is provided with at least four longitudinal rigidity reduction grooves; and each rigidity reduction groove radially extends from the inner surface of the annular lining.

Description

A kind of universal buffer orienting sleeve
Technical field
The present invention relates to a kind of buffering stop block, especially relate to a kind of universal buffer orienting sleeve that can effectively resist side force.
Background technology
In general, every weighing apparatus all can be considered spacing when designing its weighing platform up and down.The big bag scale of iron and steel enterprise is just more special for the spacing requirement of weighing platform, and it spacing is not only the precision that will guarantee weighing apparatus and repeatability reliably, and the very important point, also must be able to bear the impact of side force.Because the ladle that overhead traveling crane lifting comes to weigh inevitably can clash into weighing platform before in place, the weight of ladle is little several tons, tons greatly then up to a hundred, place can not be very accurate for ladle during the overhead traveling crane operation, unavoidably understands the weighing platform of the big bag scale of lateral impact.In order to meet the demands, when bump, stop means not only will have the ability of the anti-strong impaction of ability, but also the interval of a buffering will be arranged.
As shown in Figure 1, the connection between the protruding axle B1 of the last weighing platform A of the big bag scale of iron and steel enterprise and play weighing platform B at present cooperates generally that use plastic cement buffer limit overlaps C.This plastic cement buffer limit cover C utilizes that the characteristic of recovery of elasticity designs behind the pressurized of material of plastic cement itself, because the material of plastic cement is limit, the temperature of ladle periphery is very high, and the temperature of weighing platform also reaches up to a hundred degrees centigrade.In worst hot case, working so if things go on like this; Certainly will cause wearing out of the spacing garment bag C of sort buffer; Deformation range sharply descends even is aging; The automatic loss of powdered very easily produces improper very big tolerance clearance after percussive pressure, will cause that like this weighing platform with the rocking and significantly rock of molten steel, molten steel might take place spill injury human body extremely serious security incident like this.
Chinese patent CN85200736 discloses a kind of separate type track scale stop means, holds two parts by screw jack formula top and cutter and forms, and separate type is installed.The top is contained on the weighing platform spandrel girder, and the cutter at two ends is housed on the foundation ditch concrete walls, and the cutter of both sides is housed on the termination of semi-girder, and rotating steel ball is equipped with in the end, top of screw jack formula.Also can be bumped into knife, itself and cutter are accepted when touching, friction and component diminish.
Chinese patent CN2914046 discloses a kind of weighing apparatus and uses bidirectionally limited device; Relate in particular to automotive electronics weighing apparatus stop means; Comprise limit base and corresponding with it rushing to summit, be characterized in that limit base is connected and composed by the longitudinal spacing plate and the cross spacing plate that are mutually 90 °, xsect is L-shaped; Have rushing to summit of the eccentric top of disc and be fixed on the support by nut, eccentric top places " L " shape limit base inboard, and is corresponding with longitudinal spacing plate, cross spacing plate respectively, gapped cooperation.Pot life position seat is fixed on the prefabricated component that draws the basis, slope, and the correspondence of rushing to summit is fixed on the both sides of scale body.The scale body produces when rocking, and the scale body is restricted in longitudinal and transverse two directions, makes the scale body reset fast, stablize.
Summary of the invention
The purpose of this invention is to provide and a kind ofly avoid aging, effectively resist the universal buffer orienting sleeve of side force.
The present invention is provided with ring bush and annular valve jacket; The ring bush upper end is connected with the circular casing set upper side; Ring bush lower end and annular valve jacket lower end are connected; The outside surface of ring bush is provided with at least 4 annular elastomeric gender gap, and the flange that forms between adjacent 2 annular elastomeric gender gap is an anti-impact protection ladder, is equipped with radially buffer gap between each anti-impact protection ladder and the annular valve jacket inside surface; Ring bush be provided with at least 4 longitudinally rigidity subdue groove, each bar rigidity is subdued groove and is begun radially to extend by the ring bush inside surface.
Said ring bush and annular valve jacket are round metal annular cover, and said ring bush upper end is connected with the circular casing set upper side, preferably ring bush upper end lateral surface and circular casing set upper side medial surface bonding; Said ring bush lower end and annular valve jacket lower end are connected, preferably ring bush lower outside face and annular valve jacket lower end medial surface bonding.
Said ring bush two-port up and down is preferably hydraucone.
Said ring bush is preferably split type ring bush; Split type ring bush is made up of the two sections ring bush; The two sections ring bush is coaxial; And length and structure are all identical, are provided with end play between the two sections ring bush, and axially extended space is arranged when the two sections ring bush is out of shape when buffering capacity is big like this.
Said outside surface is provided with at least 3 annular elastomeric gender gap, and preferably 1/2 length separatrix with ring bush is the boundary, and each annular elastomeric gender gap is axially and is symmetrical set up and down.
Radially buffer gap between said each anti-impact protection ladder and the annular valve jacket inside surface forms differential.And the radially buffer gap between other anti-impact protection ladder and the annular valve jacket inside surface relatively, and is minimum in the anti-impact protection ladder and the radially buffer gap value between the annular valve jacket inside surface at ring bush middle part.Can realize the multi-buffer protection like this.
Said rigidity is subdued opening both sides that groove is positioned at the ring bush inside surface and preferably is provided with the edge and strengthens the angle, and it is the enlarging cone angle that the edge strengthens angular shape.The enlarging cone angle plays the humidification of rigidity being subdued groove edge, can avoid the wedge angle bump, thereby avoid improper buffering.
Compare with prior art, the present invention has following outstanding advantage:
The present invention no longer relies on the intrinsic elastic performance of existing plastic cement buffer limit cover self to cushion, but substitutes through designing the metallic spring structure.The elasticity of universal buffer orienting sleeve of the present invention is strong and weak, the size of buffering capacity all can the real needs according to the user design when design, designs like the weight (size of predictable impact) according to iron and steel enterprise's ladle.The universal buffer orienting sleeve can be designed with the structure of multi-buffer function; Through design cyclic spring groove structure and quantity; The size of the radially buffer gap between anti-impact protection ladders at different levels and the annular valve jacket inside surface; Rigidity is subdued means such as quantity and the size of groove and is come effectively control impact size, and the lateral force resistance ability is strong.Strengthen the angle through the design edge and can avoid the wedge angle bump, thereby avoid improper buffering.Can realize avoiding aging, effectively resist the purpose of side force.
Description of drawings
Fig. 1 is the structural representation that the spacing employed plastic cement buffer limit of the connection between the weighing platform up and down of the big bag scale of present iron and steel enterprise overlaps.
Fig. 2 is the structural representation of the embodiment of the invention 1.
Fig. 3 is the plan structure synoptic diagram of the embodiment of the invention 1.
Fig. 4 is the structure of the embodiment of the invention 2 and uses synoptic diagram.
Fig. 5 is the plan structure synoptic diagram of the embodiment of the invention 2.
Embodiment
Embodiment 1
Referring to Fig. 2 and 3, the present invention is provided with ring bush 1 (annular lining) and annular valve jacket 2 (annulus annular valve jacket).Ring bush 1 is round metal annular cover with annular valve jacket 2.Ring bush 1 is a split-type structural, is made up of epimere ring bush 11 and hypomere ring bush 12, be convenient to like this ring bush 1 is packed in the annular valve jacket 2 (when buffering capacity hour, axially extendedly need also can be integral structure bigger).With the open gap P0 between epimere ring bush 11 and the hypomere ring bush 12 is the boundary, and epimere ring bush 11 is up and down with hypomere ring bush 12 and is symmetrical set.Epimere ring bush 11 upper end radial flanges 111 are connected with annular valve jacket 2 upper ends (welding or be threaded), the lower end radial flange 112 of hypomere ring bush 12 be connected with annular valve jacket 2 lower ends (welding perhaps is threaded).The outside surface of epimere ring bush 11 is provided with 2 annular elastomeric gender gap 113 and 114, also is provided with 2 same annular elastomeric gender gap 124 and 123 on the outside surface of hypomere ring bush 12.4 annular elastomeric gender gap 113,114,124 and 123 are axially and are symmetrical set up and down.The radial flange that forms between adjacent 2 annular elastomeric gender gap is an anti-impact protection ladder; Wherein the radial flange between the annular elastomeric gender gap 114 and 124 is one-level anti-impact protection ladder 120; Between the annular elastomeric gender gap 113 and 114; And formed radial flange is secondary anti-impact protection ladder 121 and 122 between the annular elastomeric gender gap 124 and 123; One-level anti-impact protection ladder 120 is first-level buffer gap P1 with the radially buffer gap of annular valve jacket 2 inside surfaces, 2 secondary anti-impact protection ladders 121 and 122 and the radially buffer gap of annular valve jacket 2 inside surfaces be level 2 buffering gap P2, P2 value>P1 value.When ring bush 1 receives side force like this; One-level anti-impact protection ladder 120 clashes into earlier with annular valve jacket 2 inside surfaces; Obtain buffering for the first time, then 2 secondary anti-impact protection ladders 121 clash into annular valve jacket 2 inside surfaces with 122 again, obtain cushioning the second time; So just have the level 2 buffering function, can have good lateral force resistance function.
Ring bush 1 be provided be uniformly distributed with 8 longitudinally rigidity subdue groove 125, rigidity is subdued groove 125 and is begun radially to extend by the inside surface of ring bush 1, rigidity is subdued the rigidity that groove 125 is used to reduce ring bush 1, increases flexible.Subdue opening both sides that groove 125 is positioned at ring bush 1 inside surface in rigidity and be provided with the edge and strengthen angle β, the edge strengthens angle β can play the humidification of rigidity being subdued groove 125 edges, can avoid the wedge angle bump, avoids improper buffering.The two-port up and down of epimere ring bush 11 is hydraucone, and the two-port up and down of hypomere ring bush 12 also is hydraucone.Bell-mouthed cone angle can design according to actual conditions.The size of bell-mouthed cone angle diminishes with the stressed increase of ring bush 1, and when the secondary anti-impact was protected ladder 121 and 122 are contacted ring-shaped jacket 2 fully, bell-mouthed cone angle became 0 degree.Bell-mouthed cone angle not only can play guide effect, can guarantee the operate as normal of inwall pressure-bearing convex surface 126 simultaneously.During practical application, can design each numerical parameter according to specific requirement.
Embodiment 2
Similar with embodiment 1, difference is that present embodiment is the universal buffer orienting sleeve of three grades of buffer structures.Referring to Figure 4 and 5, epimere ring bush 11 is axially with hypomere ring bush 12 and is symmetrical set up and down.Be provided with first-level buffer gap a, level 2 buffering gap b, three grades of buffer gap c, a<b<c.Each elasticity trench depth also forms differential.When cooperating with outside locating shaft B1 like this; ε, θ not only can play guide effect; The size of ε, θ angle diminishes with the stressed increase of ring bush 1; When three grades of anti-impact protection ladders contacted ring-shaped jacket 2 fully, the angle of ε, θ became 0 degree, guarantees inwall pressure-bearing convex surface 126 operate as normal under strong wallop simultaneously.During practical application, can design each numerical parameter according to specific requirement.All the other labels in the Figure 4 and 5 are corresponding consistent with embodiment 1.
In sum, according to client's needs, and the precomputation of lateral impact power can design the universal buffer orienting sleeve more than three grades, can adapt to the actual requirement of multistage multi-buffer protection.Universal buffer orienting sleeve according to the invention is the extremely strong axially stop block of a kind of anti-lateral impact; Impact energy for side force plays very good protective action, simultaneously can through precision calculate the mechanical damage of multi-buffer gap to have prevented to bring because of lateral impact.The universal buffer orienting sleeve of this structure is of many uses, in industry, has very important significance.

Claims (7)

1. the universal buffer orienting sleeve is characterized in that being provided with ring bush and annular valve jacket; The ring bush upper end is connected with the circular casing set upper side; Ring bush lower end and annular valve jacket lower end are connected; The outside surface of ring bush is provided with at least 4 annular elastomeric gender gap, and the flange that forms between adjacent 2 annular elastomeric gender gap is an anti-impact protection ladder, is equipped with radially buffer gap between each anti-impact protection ladder and the annular valve jacket inside surface; Ring bush be provided with at least 4 longitudinally rigidity subdue groove, each bar rigidity is subdued groove and is begun radially to extend by the ring bush inside surface.
2. universal buffer orienting sleeve as claimed in claim 1 is characterized in that said ring bush and annular valve jacket are round metal annular cover; Ring bush upper end lateral surface and circular casing set upper side medial surface weld or are spirally connected, and ring bush lower outside face and annular valve jacket lower end medial surface weld or be spirally connected.
3. universal buffer orienting sleeve as claimed in claim 1, it is characterized in that said ring bush up and down two-port be hydraucone.
4. universal buffer orienting sleeve as claimed in claim 1; It is characterized in that said ring bush is split type ring bush; Split type ring bush is made up of the two sections ring bush; The two sections ring bush is coaxial, and length and structure are all identical, are provided with end play between the two sections ring bush.
5. universal buffer orienting sleeve as claimed in claim 1 is characterized in that 1/2 length separatrix with ring bush is the boundary, and each annular elastomeric gender gap is for axially being symmetrical set up and down.
6. universal buffer orienting sleeve as claimed in claim 1 is characterized in that the radially buffer gap between said each anti-impact protection ladder and the annular valve jacket inside surface forms differential.
7. universal buffer orienting sleeve as claimed in claim 1 is characterized in that said rigidity subdues opening both sides that groove is positioned at the ring bush inside surface and be provided with the edge and strengthen the angle.
CN2011103049548A 2011-09-28 2011-09-28 Universal buffering guide sleeve Expired - Fee Related CN102506981B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103049548A CN102506981B (en) 2011-09-28 2011-09-28 Universal buffering guide sleeve

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Application Number Priority Date Filing Date Title
CN2011103049548A CN102506981B (en) 2011-09-28 2011-09-28 Universal buffering guide sleeve

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CN102506981A true CN102506981A (en) 2012-06-20
CN102506981B CN102506981B (en) 2013-11-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114323224A (en) * 2020-09-29 2022-04-12 上海梅山钢铁股份有限公司 Method for improving stability of panel of truck scale

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB603541A (en) * 1945-10-24 1948-06-17 Avery Ltd W & T An improved shock absorbing mechanism for use in connection with weighing apparatus
CH557024A (en) * 1973-07-07 1974-12-13 Precisa Ag Weighing machine with laterally displaceable scales - safeguards knife edge supports by spring buffers on carrier plate
CN2099965U (en) * 1991-08-26 1992-03-25 沈阳铁路局科学技术研究所 Spring level spacing conveying force mechanism for electronic balance
CN1781820A (en) * 2004-12-03 2006-06-07 明基电通股份有限公司 Buffering kit
CN101178106A (en) * 2007-12-04 2008-05-14 东风汽车有限公司 Rubber-plastic composite bushing
CN201105622Y (en) * 2007-08-08 2008-08-27 奇瑞汽车股份有限公司 Steel plate spring bushing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB603541A (en) * 1945-10-24 1948-06-17 Avery Ltd W & T An improved shock absorbing mechanism for use in connection with weighing apparatus
CH557024A (en) * 1973-07-07 1974-12-13 Precisa Ag Weighing machine with laterally displaceable scales - safeguards knife edge supports by spring buffers on carrier plate
CN2099965U (en) * 1991-08-26 1992-03-25 沈阳铁路局科学技术研究所 Spring level spacing conveying force mechanism for electronic balance
CN1781820A (en) * 2004-12-03 2006-06-07 明基电通股份有限公司 Buffering kit
CN201105622Y (en) * 2007-08-08 2008-08-27 奇瑞汽车股份有限公司 Steel plate spring bushing
CN101178106A (en) * 2007-12-04 2008-05-14 东风汽车有限公司 Rubber-plastic composite bushing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114323224A (en) * 2020-09-29 2022-04-12 上海梅山钢铁股份有限公司 Method for improving stability of panel of truck scale
CN114323224B (en) * 2020-09-29 2024-05-10 上海梅山钢铁股份有限公司 Method for improving stability of automobile balance panel

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