CN205572311U - Balanced jib assembly structure of bilateral scissors owner - Google Patents
Balanced jib assembly structure of bilateral scissors owner Download PDFInfo
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- CN205572311U CN205572311U CN201620382818.9U CN201620382818U CN205572311U CN 205572311 U CN205572311 U CN 205572311U CN 201620382818 U CN201620382818 U CN 201620382818U CN 205572311 U CN205572311 U CN 205572311U
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- bearing pin
- expansion set
- suspension rod
- tubulose
- bearing
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Abstract
The utility model discloses a balanced jib assembly structure of bilateral scissors owner belongs to mechanical mounting technical field, expand including jib, bearing, round pin axle and hollow tubulose and overlap, the tubulose expand the cover set up in the bearing with between the round pin axle, be used for the suit the round pin axle, follow the tubulose expands cover axial direction to be run through and opens that to have an orbit be straight line or sinusoidal opening slotted hole, the messenger the tubulose expands and overlaps the subdivision tensioning formula that forms structure, and with round pin axle interference fit. But this assembly structure passes through bloated cover off -line processing of tubulose and pre -assembling 's characteristic for the easy dismouting of round pin axle when the jib is changed reaches the purpose of labour saving and time saving and extension spare parts life cycle, thereby has reduced the spare part consumption cost, has guaranteed the production direct motion.
Description
Technical field
This utility model belongs to mechanical assembly technique field, is specifically related to a kind of bilateral scissors main balance suspension rod assembling structure.
Background technology
In prior art, there is unreasonable situation in finishing area bilateral scissors main balance suspension rod assembly technology structure, main reason is that the oscillating bearing impact load at work that bilateral scissors main balance suspension rod uses is big, insufficient lubrication, bearing pin is easy to wear, as shown in Figure 1, two recess of plane formation easy to wear on bearing pin, do not only result in bearing pin to increase with bearing bore diameter gap, in turn result in bearing fragile, strong influence service life of bearing, also make cannot exit bearing pin smoothly when changing, there is the phenomenon of damage bearing.Thus, original-pack distribution structure makes use cycle of bilateral scissors main balance suspension rod short, and mechanical accident is many, and impact produces direct motion, also add labor intensity and spare parts cost；Simultaneously because operating position is narrow, waste time and energy when changing bilateral scissors main balance suspension rod.
Therefore, in order to keeping normal life activities produces direct motion, reduce and stop cutting time of casualty, in the urgent need to changing original suspension rod assembling structure, to guarantee the abrasion of bearing pin, and then effective service life extending oscillating bearing, also make bearing pin have the function of easy assembly or disassembly.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of bilateral scissors main balance suspension rod assembling structure, in the case of not affecting bilateral scissors main balance suspension rod basic function, the change of structure is assembled by bearing pin being arranged tubulose expansion set, bearing pin stable operation within the bearing, beneficially pin assembling/disassembling can be promoted, thus effectively extend the service life of bearing, reduce spare parts cost, it is ensured that produce direct motion.
For reaching above-mentioned purpose, this utility model is achieved through the following technical solutions:
A kind of bilateral scissors main balance suspension rod assembling structure that this utility model provides, including suspension rod, bearing and bearing pin, also includes the tubulose expansion set of hollow, and described tubulose expansion set is arranged between described bearing and described bearing pin, is used for being set with described bearing pin；Run through along described tubulose expansion set axial direction that to have a track be straight line or sinusoidal open slot, make described tubulose expansion set form subdivision tension type structure, and with described bearing pin interference fit.
Further, described bearing pin cross section is D-shape configuration, and described tubulose expansion set inwall has the cross section identical with the D-shaped cross-section of described bearing pin.
Further, being provided with groove in described bearing pin, described groove is included in run through along its axial direction and has several straight-line grooves being uniformly distributed in its radial direction；It is filled with elastomer in described straight-line groove.
Further, described groove also includes the circle hole groove being arranged on described straight-line groove near one end, described bearing pin center.
Further, described elastomer is polymer rubber alloy elastic body or metal-rubber elastomer.
Further, described tubulose expansion set is made up of spring steel material.
Compared with prior art, Advantageous Effects of the present utility model is: this utility model assembling structure is not in the case of affecting bilateral scissors main balance suspension rod basic function, the change of structure is assembled by bearing pin being arranged tubulose expansion set, bearing pin stable operation within the bearing, beneficially pin assembling/disassembling can be promoted, not only make operating process is no longer wasted time and energy, improve efficiency of assembling, in the service life that also effectively extending shaft holds, reduce spare parts cost, it is ensured that produce direct motion.
Other advantages of the present utility model, target and feature will be illustrated to a certain extent in the following description, and to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by description below and obtain.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is made preferred detailed description, wherein:
Fig. 1 is the structural representation in prior art after bearing pin abrasion；
Fig. 2 is the decomposing schematic representation of this utility model suspension rod assembling structure；
Fig. 3 is the axial front view of tubulose expansion set in this utility model suspension rod assembling structure；
Fig. 4 is the P direction view of the tubulose expansion set embodiment one of Fig. 3；
Fig. 5 is that in this utility model suspension rod assembling structure, a bearing pin is the side view of D-shaped cross-section；
Fig. 6 is the P direction view of the tubulose expansion set embodiment two (matching with bearing pin in Fig. 5) of Fig. 3；
Fig. 7 is the side view of another bearing pin in this utility model suspension rod assembling structure；
Fig. 8 is the partial enlarged drawing of Fig. 7；
Reference: 1-bearing pin, 11-groove, 111-straight-line groove, 112-circle hole groove；2-expansion set, 201-open slot；3-suspension rod；4-bearing；5-elastomer.
Detailed description of the invention
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail；Should be appreciated that preferred embodiment is only for explanation this utility model rather than in order to limit protection domain of the present utility model.
Embodiment one:
As in Figure 2-4, a kind of bilateral scissors main balance suspension rod assembling structure that this utility model provides, including suspension rod 3, bearing 4 and bearing pin 1, bearing 4 tensioner is in suspension rod 3, and bearing pin 1 is located in bearing 4, is connected for the main balance of suspension rod 3 and bilateral scissors, also include the tubulose expansion set 2 of hollow, described tubulose expansion set 2 outer wall has the circular cross section identical with described bearing 4 inwall, and described tubulose expansion set 2 is arranged between described bearing 4 and described bearing pin 1, is used for being set with described bearing pin 1；Run through along described tubulose expansion set 2 axial direction that to have a track be straight line or sinusoidal open slot 201, make described tubulose expansion set 2 form subdivision tension type structure, and with described bearing pin 1 interference fit；Preferably straight line, beneficially cutting processing.And the open slot 201 that when swelling bearing pin 1, can effectively reduce tubulose expansion set 2 between sinusoidal adjacent wave misplaces along its axial direction, it is ensured that its force structure.
In the present embodiment, described tubulose expansion set 2 is provided with rounding off in the both sides in its bearing direction, so it is beneficial to tubulose expansion set 2 and inserts in bearing 4, its both sides are equipped with rounding off and make the optional arbitrary insertion of tubulose expansion set 2, the most in various embodiments, rounding off can also be set the one of tubulose expansion set 2, equally reach above-mentioned purpose.
In the present embodiment, described tubulose expansion set 2 is made up of spring steel material.So, there is some strength and elastic tubulose expansion set 2 not only can make bearing pin 1 can open tubulose expansion set 2 smoothly, also can make the tubulose expansion set 2 assembling in bearing 4, thus not affect the basic function of bilateral scissors main balance suspension rod.
The concrete operations flow process of this utility model assembling structure is:
If desired, during assembling bearing pin, first new bearing 4 is arranged in suspension rod 3；Then being placed in bearing 4 by the tubulose expansion set 2 that prior off-line processes, now because not putting bearing pin 1 in tubulose expansion set 2, thus tubulose expansion set 2 and bearing 4 are matched in clearance or interference fits so that it can be arranged in bearing 4 smoothly；Then bearing pin 1 is inserted in tubulose expansion set 2, by the open slot 201 on bearing pin 1 and the interference fit of tubulose expansion set 2 and tubulose expansion set 2, bearing pin 1 can be entered in tubulose expansion set 2 smoothly, and implement to expand to tubulose expansion set 2, and then make tubulose expansion set 2 and bearing 4 endoporus interference fit, thus realize the bearing pin assembling of suspension rod 3；
If desired during dismounting bearing pin, only need to implement to beat just can directly exit to the bearing pin 1 of assembling in suspension rod by specific purpose tool, now do not receive wear damage because of bearing pin 1 outer layer, therefore can separate in tubulose expansion set 2 quickly and easily when exiting, then tubulose expansion set 2 reverts to normality under natural resiliency effect, and then between tubulose expansion set 2 and bearing 4, gap occurs, no matter whether this tubulose expansion set 2 has abrasion or occurs deeper recess as Fig. 1, it all can be made very easily to take out from bearing 4, change the bearing 4 in suspension rod 3 the most again.
Therefore, this utility model assembling structure is not in the case of affecting bilateral scissors main balance suspension rod basic function, the change of structure is assembled by bearing pin being arranged tubulose expansion set, bearing pin stable operation within the bearing, beneficially pin assembling/disassembling can be promoted, not only make operating process is no longer wasted time and energy, improve efficiency of assembling, in the service life that also effectively extending shaft holds, reduce spare parts cost, it is ensured that produce direct motion.
Embodiment two:
As shown in Figure 5,6, the present embodiment is with embodiment one difference: described bearing pin 1 cross section is D-shape configuration, and described tubulose expansion set 2 inwall has the cross section identical with the D-shaped cross-section of described bearing pin 1.So, can prevent bearing pin 1 from rotating relative to tubulose expansion set 2 endoporus after installing, with the frictional resistance between reinforcement tubular expansion set 2 and bearing 4 endoporus, it is provided that the interference fit between both, the bearing 4 made normal table in suspension rod 3 runs.The straight section portion of tubulose expansion set 2 inwall D-shape configuration is oppositely arranged with open slot 201.
Embodiment three:
As shown in Figure 7,8, the present embodiment part unlike the embodiments above is: be provided with groove 11 in described bearing pin 1, and described groove 11 is included in run through along its axial direction and has several straight-line grooves 111 being uniformly distributed in its radial direction；So by arranging straight-line groove, can be used for processing the cooperation between the non-circular hole because being formed on this tubulose expansion set endoporus after bearing pin swelling tubulose expansion set, i.e. make the arcwall face on the pin body top layer being separated out because of these some straight-line grooves preferably can contact close fit between tubulose expansion set endoporus, to reach bearing pin while swelling tubulose expansion set, ensure the frictional resistance between both so that it is do not produce radial rotating relative to tubulose expansion set；Described groove 11 also includes the circle hole groove 112 being arranged on described straight-line groove 111 near one end, described bearing pin 1 center；So, by arranging circle hole groove, it is possible to be effectively improved the stress distribution after pin body deforms at straight-line groove.
As further improvement of this embodiment, the length of straight-line groove 111 is equal to 0.01～0.1 times of bearing pin radius, and the groove width of straight-line groove 111 is equal to 0.01～0.1 times of its length, i.e. by the length of straight-line groove and groove width are designed as reasonable value according to the practical situation of bearing pin, can be under conditions of ensureing pin bearing loading capability, make bearing pin have suitable elastic deformability, it is possible to be effectively improved the stress distribution of bearing pin transmission stress, improve its life-span.The length of the straight-line groove of the present embodiment is equal to 0.05 times of bearing pin radius, and its groove width is equal to 0.05 times of its length, it is possible to meets and uses requirement.
In the present embodiment, in described straight-line groove 111, it is filled with elastomer 5；Described elastomer is metal-rubber elastomer.Use metal-rubber elastomer, in the special inherent character with extreme environment (high temperature, high pressure and high vibration) with selected metal, have again and be similar to the elasticity that rubber is the same, do not evaporate under spatial environments, do not fear high temperature, it is not afraid of space radiation and particle to clash into, selects the different metals can be with corrosion-resistant environment, and without aging possibility.Elastomer also can use existing various metals elastomer and non-metal elastomers material to be replaced, and such as polymer rubber alloy elastic body, does not states tired one by one.
The present embodiment by arrange on bearing pin groove and in groove filled elastomer, while meeting elastic deformability, contact stress can be reduced and improve bearing capacity, effectively prevent the problems such as " bite " in bearing pin transmission even " stuck ", thus there is the advantages such as highly reliable, long-life, big torque.
Generally speaking, being transformed by the tackling key problem of this balance suspension rod main to bilateral scissors assembling structure, through our Daily Round Check, former accident potential gets rid of, can normally work.The performance of the main balance suspension rod of these bilateral scissors is improved raising simultaneously, and fault significantly reduces, and reduces spare parts consumption cost, meets Production requirement, has reached the purpose of process modification, thus ensure that production direct motion.Also by this technological transformation, significantly also reduce the labor intensity of workman and the maintenance cost of equipment.
Finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent, without deviating from objective and the scope of the technical program, it all should be contained in the middle of right of the present utility model.
Claims (6)
1. bilateral scissors main balance suspension rod assembling structure, including suspension rod, bearing and bearing pin, it is characterised in that: also including the tubulose expansion set of hollow, described tubulose expansion set is arranged between described bearing and described bearing pin, is used for being set with described bearing pin；Run through along described tubulose expansion set axial direction that to have a track be straight line or sinusoidal open slot, make described tubulose expansion set form subdivision tension type structure, and with described bearing pin interference fit.
Bilateral scissors the most according to claim 1 main balance suspension rod assembling structure, it is characterised in that: described bearing pin cross section is D-shape configuration, and described tubulose expansion set inwall has the cross section identical with the D-shaped cross-section of described bearing pin.
Bilateral scissors the most according to claim 1 main balance suspension rod assembling structure, it is characterised in that: being provided with groove in described bearing pin, described groove is included in run through along its axial direction and has several straight-line grooves being uniformly distributed in its radial direction；It is filled with elastomer in described straight-line groove.
Bilateral scissors the most according to claim 3 main balance suspension rod assembling structure, it is characterised in that: described groove also includes the circle hole groove being arranged on described straight-line groove near one end, described bearing pin center.
Bilateral scissors the most according to claim 3 main balance suspension rod assembling structure, it is characterised in that: described elastomer is polymer rubber alloy elastic body or metal-rubber elastomer.
Bilateral scissors the most according to claim 1 main balance suspension rod assembling structure, it is characterised in that: described tubulose expansion set is made up of spring steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382818.9U CN205572311U (en) | 2016-04-28 | 2016-04-28 | Balanced jib assembly structure of bilateral scissors owner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382818.9U CN205572311U (en) | 2016-04-28 | 2016-04-28 | Balanced jib assembly structure of bilateral scissors owner |
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| Publication Number | Publication Date |
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| CN205572311U true CN205572311U (en) | 2016-09-14 |
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| CN201620382818.9U Active CN205572311U (en) | 2016-04-28 | 2016-04-28 | Balanced jib assembly structure of bilateral scissors owner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568759A (en) * | 2017-03-09 | 2018-09-25 | 杭州巨星科技股份有限公司 | A kind of opening-closing device |
-
2016
- 2016-04-28 CN CN201620382818.9U patent/CN205572311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568759A (en) * | 2017-03-09 | 2018-09-25 | 杭州巨星科技股份有限公司 | A kind of opening-closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190225 Address after: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee after: Chongqing Iron and Steel Co., Ltd. Address before: 400060 No. 1 Sancun Dayan, Dadukou District, Chongqing Patentee before: Chongqing Iron & Steel (Group) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing 401220 Patentee after: CHONGQING IRON & STEEL Co.,Ltd. Address before: 401220 No. 1, Gangcheng Road, Changshou District, Chongqing Patentee before: CHONGQING IRON & STEEL Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |