CN103935880B - A hydraulic cylinder assembly spreader - Google Patents

A hydraulic cylinder assembly spreader Download PDF

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Publication number
CN103935880B
CN103935880B CN 201410156880 CN201410156880A CN103935880B CN 103935880 B CN103935880 B CN 103935880B CN 201410156880 CN201410156880 CN 201410156880 CN 201410156880 A CN201410156880 A CN 201410156880A CN 103935880 B CN103935880 B CN 103935880B
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spreader
cylinder
liner
assembly
body
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CN 201410156880
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Chinese (zh)
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CN103935880A (en )
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宋富彦
刘伟
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镇平县英卓科技有限公司
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Abstract

本发明提供了一种液压油缸总装吊具,包括吊具本体和支撑体,所述吊具本体和支撑体均设置通孔,所述支撑体与吊具本体球面配合,所述吊具本体底部设置减振构件和缸套挡圈,所述减振构件两端分别与吊具本体和缸套挡圈固定连接,所述总装吊具配套设置外缸挡圈,所述支撑体下部为圆椎体结构,所述减振构件采用螺旋弹簧或橡胶波纹管,所述外缸挡圈为开口弹性卡圈结构。 The present invention provides a spreader hydraulic cylinder assembly, comprising a support body and a spreader, the spreader body and the support body are provided a through hole, the support body spherical surface mating with the spreader, the spreader body bottom setting the damping ring and liner member, said damping member ends are fixedly connected with the spreader body and the liner ring, the spreader assembly is provided outside the supporting cylinder collar, the lower portion of the support member is conical structure, said damping member is a coil spring or rubber bellows, the opening of the outer cylinder is an elastic collar ring structure. 其中,支撑体与吊具本体球面配合,增强了支撑体的自动调心作用,调心幅度加大,有效地避免了因缸套的倾斜造成别劲及其对外缸筒的碰撞损伤,并能轻而易举地保持缸套与缸筒组件同轴,减轻了操作人员的劳动强度,提高了总装作业的效率,达到提高油缸使用寿命和安全性能的目的。 Wherein the support and the spreader with the spherical body, enhancing the effect of the self-aligning support, aligning rate increase, due to the inclined effectively avoid not cause the liner and the strength of the external cylinder collision damage, and can cylinder easily maintained coaxial with the cylinder assembly, reducing the labor intensity and improve the efficiency of the assembly operation, the purpose of improving the service life and safety of the cylinder.

Description

一种液压油缸总装吊具 A hydraulic cylinder assembly spreader

技术领域 FIELD

[0001] 本发明涉及液压油缸装配技术领域,尤其涉及一种液压油缸总装吊具。 [0001] The present invention relates to a hydraulic cylinder assembly technology, particularly to a hydraulic ram assembly spreader. 背景技术 Background technique

[0002] 液压油缸的总装是指在各级缸筒及活塞部件装配完成并逐级组装之后与外层缸套的组装,特别是重型机械配套液压油缸的总装,由于个体重量大,目前其总装方式普遍采取的方式是,将装配为一体的各级缸筒立置于工装台架之上,采用起吊设备将缸套吊起,套装在缸筒组件上。 [0002] hydraulic ram assembly means to complete step by step and after assembly of the outer layer of the liner in the cylinder assembly and piston member assembly levels, especially heavy machinery supporting the hydraulic cylinder assembly, due to the large weight of the individual, which is currently assembly manner is generally adopted, the assembly as one of the vertical cylinder placed over levels tooling stage, using the lifting device lifting the liner, the cylinder barrel assembly kit. 吊装过程使用的吊具通常为带有吊耳的吊具本体与可旋转支撑的组合结构,其中支撑则多采用圆柱状或圆锥状结构。 Lifting spreader process usually spreader body with a lug of the rotatable support of the composite structure, wherein the support is to use more cylindrical or conical structure. 这些结构普遍存在的主要缺陷是:在起吊过程中,很难保证缸套与缸筒组件的上下精准同心,同时由于上述吊具的支撑不具调心功能,组装时缸套势必产生倾斜。 The main drawback of these structures is common: during lifting, the cylinder liner is difficult to ensure vertical and concentric cylinder assembly precision, and because of not supporting the spreader with centering function, the time of assembling the cylinder liner bound tilted. 在此情况下,外层缸筒表面很容易被拉伤,给产品质量带来严重影响,甚至造成缸筒的报废。 In this case, the outer surface of the cylinder can easily be strained, to have a serious impact product quality, or even result in scrapping the cylinder. 截止目前,这一问题尚未得到较好的解决。 Up to now, this problem has not been solved. 发明内容 SUMMARY

[0003] 本发明的目的是提供一种液压油缸总装吊具,通过对传统吊具的改进,尤其是支撑体的改进,达到提高油缸使用寿命和安全性能的目的。 [0003] The object of the present invention is to provide a hydraulic cylinder assembly spreader, through the improvement of conventional spreader, in particular to improve the support body, the purpose of improving the service life and safety of the cylinder.

[0004] 为实现上述目的所采用的技术方案是:一种液压油缸总装吊具,包括吊具本体和支撑体,所述吊具本体和支撑体均设置通孔,所述支撑体与吊具本体球面配合,所述吊具本体底部设置减振构件和缸套挡圈,所述减振构件两端分别与吊具本体和缸套挡圈固定连接。 [0004] In order to achieve the above object of the adopted technical solution is: A hydraulic spreader cylinder assembly, comprising a support body and a spreader, the spreader body and the support body are provided a through hole, the support and the spreader with the spherical body is provided at the bottom of the liner hanger body and the damping ring member, said damping body are fixedly connected with the spreader member and both ends of the cylinder liner collar.

[0005] 所述总装吊具配套设置外缸挡圈。 The [0005] sling assembly support ring disposed outside the cylinder.

[0006] 所述支撑体下部为圆椎体结构。 [0006] The lower portion of the support structure of the vertebral body is a circle.

[0007] 所述减振构件采用螺旋弹簧或橡胶波纹管。 The [0007] the damping member a coil spring or rubber bellows.

[0008] 所述外缸挡圈为开口弹性卡圈结构。 [0008] The outer ring of the cylinder hole elastic collar structure.

[0009] 所述外缸挡圈内径小于液压油缸外缸筒直径1〜5mm,外径小于液压油缸缸套3〜 5mm 〇 [0009] The outer cylinder collar inner diameter smaller than the outer cylinder hydraulic diameter 1~5mm, smaller outer diameter than the hydraulic cylinder liner 3~ 5mm square

[0010] 所述缸套挡圈内径大于液压油缸缸套外径3〜5mm。 The [0010] Cylinder liner ring inner diameter larger than the outer diameter of the hydraulic cylinder 3~5mm.

[0011] 所述吊具本体的通孔直径大于液压油缸缸套外径5〜10mm。 [0011] The hole diameter of the spreader body is larger than the outer diameter of the hydraulic cylinder liner 5~10mm.

[0012] 本发明液压油缸总装吊具的优点在于: [0012] The advantages of the spreader hydraulic cylinder assembly of the present invention is characterized in:

[0013] 1)支撑体与吊具本体球面配合,支撑体下部为圆椎体结构,缸套挡圈内径大于缸套外径3〜5mm,大大增强了支撑体的自动调心作用,调心幅度加大,从而有效地避免了因缸套的倾斜造成别劲及其对外缸筒的碰撞损伤,并能轻而易举地保持缸套与缸筒组件同轴, 减轻了操作人员的劳动强度,提高了总装作业的效率。 [0013] 1) a support with a spherical body and the spreader, the lower support member is disc-vertebral structure, cylinder liner inner diameter larger than the outer diameter of the retaining ring 3~5mm, greatly enhancing the effect of the self-aligning support, aligning rate increase, thus effectively avoiding the liner caused by the inclination and the external cylinder respectively stiffness of collision damage, and can easily hold the liner coaxially with the cylinder assembly, reduce labor intensity and improve the the efficiency of assembly operations.

[0014] 2)本发明在吊具本体底部设置了减振构件和缸套挡圈,能够迅速消除缸套在起吊过程的摆动,无需操作人员费劲扶正,也克服了缸套下落套装过程的摆动,使总装过程不再费时费力,缩短了总装作业时间。 [0014] 2) according to the present invention, the body is provided at the bottom of the spreader member and the damping ring liner, the liner can be quickly eliminate the swinging of the lifting process, without operator righting strenuous, but also to overcome the swinging falling liner procedure set , the assembly process is no longer time-consuming, reducing assembly time job.

[0015] 3)本发明的总装吊具还配套设置了外缸挡圈,能有效地克服缸套在套装过程中过大幅度的摆动及其与外缸之间的碰撞,大幅度提高了总装液压油缸产品的质量。 [0015] 3) assembly supporting the spreader of the invention also provided an outer cylinder ring, the liner can effectively overcome through the collision between the swinging substantially in the cylinder and the outer package during assembly greatly improved quality hydraulic products. 附图说明 BRIEF DESCRIPTION

[0016] 图1是本发明的结构示意图。 [0016] FIG. 1 is a structural diagram of the present invention. 具体实施方式 detailed description

[0017] 如图1所示,本发明的液压油缸总装吊具,包括吊具本体2和支撑体1,所述吊具本体2和支撑体1均设有通孔,用于穿装液压油缸的缸套5。 [0017] As shown, the spreader hydraulic cylinder assembly according to the present invention, comprises a body 2 and the support hanger 11, the hanger body 2 and the support 1 are provided with through holes for hydraulic reeved the liner 5. 所述支撑体1与吊具本体2球面配合,即吊具本体2的一端设有球面凹槽,支撑体1的一端为与所述球面凹槽半径相近的球面状结构,二者配合,可以自由相对作球面转动。 1 with the support 2 and the spreader spherical body, i.e., one end of the spreader body 2 is provided with a spherical recess, an end of the support 1 is the radius of the spherical recess close to a spherical configuration, with two possible for rotation relative to the spherical free. 这样,当吊起的缸套5与缸筒组件轴心错位时,支撑体可以自动调心,使缸套5保持与缸筒组件同轴,避免外缸筒6表面被磕碰拉伤。 Thus, when the liner 5 and the lift cylinder assembly axial displacement of the support body may be a self-aligning the liner holder 5 coaxially with the cylinder assembly, to avoid the surface of the outer cylinder 6 is pulled bump. 为保证支撑体1有较大的转动自由度,并使缸套5起吊安全可靠,应使支撑体1的通孔与缸套5 外径尽可能接近,又要留有一定的间隙,以保证缸套5穿装顺当;而吊具本体2上通孔的直径大于缸套5的外径5〜10_比较适宜,使支撑体1有较大的转动调心幅度,避免出现该通孔对缸套5的干涉。 To ensure that the support has a greater degree of rotational freedom, and is safe and reliable lifting cylinder liner 5, the support member should liner 5 and the outer diameter of the through-hole 1 as close as possible, but also leaving a gap, in order to ensure Cylinder 5 reeved smoothly; 2 while the diameter of the through hole is larger than the outer diameter of the spreader body is more appropriate 5~10_ liner 5, the support member 1 rotatably aligning a larger magnitude, appears to avoid the through hole interference liner 5. 作为支撑体1结构的进一步改进,其下部可加工成圆锥体结构2-1,便于支撑体1在调心过程中转动更加灵活。 As a further improvement of the support structure 1, which is processed into a lower conical structure 2-1, the support 1 is rotated to facilitate greater flexibility in the alignment process.

[0018] 作为进一步的优化方案,所述吊具本体2底部设置减振构件3和缸套挡圈4,所述减振构件3两端分别与吊具本体2和缸套挡圈4固定连接,所述减振构件3可采用螺旋弹簧或橡胶波纹管。 3 is provided at both ends of the damping member [0018] As a further optimization, the hanger body 23 and the bottom liner ring 4, said damping member 2, respectively, and liner ring body 4 is fixedly connected to the spreader the damping member 3 can be a coil spring or rubber bellows. 这样可以迅速稳定缸套5在起吊过程中的摆动,方便操作人员的组装作业。 This rapid and stable liner 5 swing the lifting process to facilitate the assembling work of the operator. 所述缸套挡圈4内径大于缸套5外径3〜5mm比较合适,既可保证缸套挡圈4与缸套5的穿装快捷, 又能迅速消减缸套5的摆动。 The liner ring 4 Liner inner diameter larger than an outer diameter of 5 3~5mm appropriate, can guarantee 4 and cylinder liner wear ring 5 mounted fast, able to quickly swing reduction of the liner 5.

[0019] 作为更进一步的优化方案,所述总装吊具配套设置外缸挡圈8,可以防止组装过程中缸套5与外缸筒6的碰撞,所述外缸挡圈8可采用开口弹性卡圈结构,其内径小于液压油缸外缸筒6直径1〜5mm,外径小于液压油缸缸套3〜5mm。 [0019] As a further optimization, the spreader assembly supporting ring 8 is provided outside the cylinder, impact the liner during assembly 5 and the outer cylinder 6 can be prevented, the opening of the outer cylinder collar 8 can be resilient collar structure having an inner diameter smaller than the diameter of the hydraulic cylinder 6 outer cylinder 1~5mm, smaller outer diameter than the hydraulic cylinder liner 3~5mm. 在缸套5向外缸筒6上套装时,先使外缸挡圈8胀开套在外缸筒6上,松开后外缸挡圈8即回弹,紧紧箍在外缸筒6上,组装完成后再使其胀开取下即可。 When the liner 5 on the outer cylinder package 6, the outer cylinder to open sets of the outer ring 8 Expansion cylinder 6, after the release of the outer cylinder 8 that is resilient collar, cuff tightly on the outer cylinder 6, after assembly is completed it can be removed to open expansion. 外缸挡圈8与液压油缸缸套5内壁之间留有3〜5mm的间隙,可使缸套5穿装顺利。 An outer cylinder collar hydraulic cylinder 8 between the inner wall of the cylinder liner 5 with a gap of 3~5mm, liner 5 can smoothly reeved. 图中标号7为液压油缸柱塞。 Reference numeral 7 in FIG hydraulic cylinder ram.

[0020] 本发明的液压油缸总装吊具在使用时,可先将组装好的待装缸筒组件立置于总装台架上,将所述支撑体1和吊具本体2从下端依次套装在待装的缸套5上,再将所述外缸挡圈套在外缸筒6上部适当的位置,即可用起吊设备(行车或吊车)将本吊具连通待装缸套5起吊至缸筒组件上方。 [0020] The hydraulic cylinder assembly according to the present invention, the spreader is in use, can be assembled first cylinder assemblies mounted gantry assembly is placed upright, the support member 1 and the lower end of the spreader from the body 2 are sequentially set in 5 the liner is to be installed, and then the upper portion 6 of the outer cylinder block place snare outer cylinder, to a lifting device (or driving crane) present liner hanger communication means 5 to be lifted to above the cylinder assembly . 然后,有操作人员扶正缸套5对准缸筒组件,再使缸套5缓缓下落,缸筒组件穿装入缸套5内,当缸套5下落到位后,按照总装工艺将其与缸筒组件连接在一起,将各部附件依次组装完毕。 Then, the operator has a centralizer assembly cylinder liner 5 are aligned, so that the cylinder liner 5 and then gradually fall, loaded into the cylinder liner wear assembly 5, when the falling liner 5 in place, the process according to the cylinder assembly cylindrical components connected together, each part will be assembled sequentially attachment is completed. 最后,将组装好的液压油缸移运至成品台架上,依次取下外缸挡圈8、吊具本体2和支撑体1即可。 Finally, the assembled finished product shipped to the hydraulic cylinders move the carriage, sequentially remove the outer ring cylinder 8, the support body 2 and the spreader 1 can. 在起吊组装过程中,当缸套5由于吊运发生摆动时,在所述减振构件3和缸套挡圈4的作用下,可以迅速停止摆动;在缸套5下落过程中,由于所述支撑体1能够自动调心,在操作人员的帮扶下,缸套5可以轻而易举的保持垂直,并与缸筒组件同轴;同时由于所述外缸挡圈8的作用,可以有效地避免缸套5与外缸筒6的碰撞损伤。 The lifting assembly, when the cylinder liner 5 due to swinging lifting occurs, under the action of the vibration damping member 3 and the liner ring 4 may be stopped quickly swing; liner 5 in the process of falling, since the the support 1 can be self-aligning, at helping the operator, the liner can easily be maintained in perpendicular 5, and coaxial with the cylinder assembly; the same time as the action of the outer ring 8 of the cylinder, the cylinder can be effectively prevented an outer cylinder sleeve 5 and 6 of collision damage. 由此,大幅度提高了总装作业效率,可靠地保证了总装产品的质量。 As a result, significantly improve the efficiency of the assembly work reliably ensure the quality of the final assembly of the product.

Claims (7)

  1. 1.一种液压油缸总装吊具,包括吊具本体和支撑体,所述吊具本体和支撑体均设置通孔,其特征在于:所述支撑体与吊具本体球面配合;所述吊具本体底部设置减振构件和缸套挡圈,所述减振构件两端分别与吊具本体和缸套挡圈固定连接;所述总装吊具配套设置外缸挡圈,将组装好的待装缸筒组件立置于总装台架上,将所述支撑体和吊具本体从下端依次套装在待装的液压油缸缸套上,再将所述外缸挡圈套在外缸筒上部适当的位置,用起吊设备将本吊具连同待装缸套起吊至缸筒组件上方;操作人员扶正缸套对准缸筒组件,再使缸套缓缓下落,缸筒组件穿装入缸套内,当缸套下落到位后,按照总装工艺将其与缸筒组件连接在一起,将各部附件依次组装完毕;最后,将组装好的液压油缸移运至成品台架上,依次取下外缸挡圈、吊具本体和支撑体即可。 A hydraulic spreader cylinder assembly, comprising a support body and a spreader, the spreader body and the support body are provided a through hole, wherein: the support body spherical surface mating with the spreader; spreader bottom of the body member and the liner damping ring is provided, said damping members are fixedly connected to two ends of spreader body ring and liner; said spreader assembly support ring disposed outside the cylinder, the assembled apparatus to be cylinder assemblies disposed upright assembly bench, the support member and hanger body are sequentially fitted over the lower end of the hydraulic cylinder liner to be installed, and then the upper portion of the outer cylinder block snare place the outer cylinder, lifting spreader with the present apparatus will be loaded along with the liner to the top of the lifting cylinder assembly; operator righting the alignment cylinder liner assembly, and then gradually fall so liner, loaded into the cylinder liner through the assembly, when the cylinder set in place after the fall, according to the assembly process and cylinder assemblies connected together, each part will be sequentially assembled attachment; Finally, the assembled finished product shipped to the hydraulic cylinders move the carriage, sequentially remove the outer cylinder ring, hanging and the support body to the holder body.
  2. 2.如权利要求1所述的液压油缸总装吊具,其特征在于:所述支撑体下部为圆椎体结构。 The hydraulic cylinder assembly of the spreader as claimed in claim 1, wherein: said circular structure of the vertebral body to support the lower.
  3. 3.如权利要求1所述的液压油缸总装吊具,其特征在于:所述减振构件采用螺旋弹簧或橡胶波纹管。 The hydraulic cylinder assembly according spreader as claimed in claim 1, wherein: said damping member is a coil spring or rubber bellows.
  4. 4.如权利要求1所述的液压油缸总装吊具,其特征在于:所述外缸挡圈为开口弹性卡圈结构。 The hydraulic cylinder assembly of the spreader as claimed in claim 1, wherein: the outer cylinder is open elastic ring collar structure.
  5. 5.如权利要求1或4所述的液压油缸总装吊具,其特征在于:所述外缸挡圈内径小于液压油缸外缸筒直径1〜5mm,外径小于液压油缸缸套3〜5mm。 The hydraulic cylinder assembly of claim 4 or spreader as claimed in claim 1, wherein: said outer ring cylinder inner diameter smaller than the outer diameter of the hydraulic cylinder 1~5mm, smaller outer diameter than the hydraulic cylinder liner 3~5mm.
  6. 6.如权利要求1所述的液压油缸总装吊具,其特征在于:所述缸套挡圈内径大于液压油缸缸套外径3〜5mm。 The hydraulic cylinder assembly according spreader as claimed in claim 1, wherein: said cylinder liner collar inner diameter larger than the outer diameter of the hydraulic cylinder liner 3~5mm.
  7. 7.如权利要求1所述的液压油缸总装吊具,其特征在于:所述吊具本体的通孔直径大于液压油缸缸套外径5〜1 Omm。 The hydraulic cylinder assembly of the spreader as claimed in claim 1, wherein: the through hole is larger than the diameter of the spreader body an outer diameter of the hydraulic cylinder liner 5~1 Omm.
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Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB400887A (en) * 1932-06-29 1933-11-02 Arco Leichtmetall G M B H Improvements in or relating to removable wheels for motor and other vehicles
GB866922A (en) * 1957-10-03 1961-05-03 Dowty Seals Ltd Improvements in and relating to sealing washers
JPS6081991U (en) * 1983-11-07 1985-06-06
DE3420696C1 (en) * 1984-06-02 1985-10-10 Flachglas Ag Clamping fixture for fastening and/or connecting glass panes, in particular for facade panels consisting of toughened safety glass
DE10039767B4 (en) * 2000-01-20 2014-08-21 Biedermann Technologies Gmbh & Co. Kg mounting assembly
US7281695B2 (en) * 2004-03-02 2007-10-16 Access Technologies Limited Pivotable suspension element
CN201368085Y (en) * 2009-02-27 2009-12-23 十堰市佳恒液压机械有限公司 Single-action sleeve type hydraulic cylinder
CN201502619U (en) * 2009-10-22 2010-06-09 武汉武大巨成加固实业有限公司 Convex spherical universal pad component
CN201934415U (en) * 2011-01-20 2011-08-17 无锡英特帕普威孚液压有限责任公司 Telescopic sleeve type hydraulic cylinder with flared opening on tail part of outer cylinder sleeve
CN102718121B (en) * 2012-06-27 2014-04-23 中铁上海工程局有限公司 Construction method of lifting device for large cement pipe
CN203877724U (en) * 2014-04-18 2014-10-15 镇平县英卓科技有限公司 Hydraulic oil cylinder general assembly hanging tool

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