CN207916861U - A kind of middle cross-braced device and its rubber tapered sleeve - Google Patents

A kind of middle cross-braced device and its rubber tapered sleeve Download PDF

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Publication number
CN207916861U
CN207916861U CN201820049609.1U CN201820049609U CN207916861U CN 207916861 U CN207916861 U CN 207916861U CN 201820049609 U CN201820049609 U CN 201820049609U CN 207916861 U CN207916861 U CN 207916861U
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China
Prior art keywords
rubber
housing
tapered sleeve
inner sleeve
sleeve
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CN201820049609.1U
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Chinese (zh)
Inventor
许善超
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CRRC Qiqihar Rolling Stock Co Ltd
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CRRC Qiqihar Rolling Stock Co Ltd
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Abstract

The utility model provides a kind of middle cross-braced device and its rubber tapered sleeve, housing can be avoided to fall off, and improves the service life of rubber tapered sleeve.The utility model includes sequentially connected housing, rubber and inner sleeve from outside to inside, in the housing and the inner sleeve, the circumferentially-spaced of one is equipped with more than two partition seams, the partition seam is axially extending and not through the housing or the axial direction of the inner sleeve, and another one is circumferentially continuous whole tapered sleeve.The rubber tapered sleeve of the utility model sets the one of which in inner sleeve and housing to circumferentially discontinuous structure type, is clamped with realizing, enhances the elasticity of crossbar;Since partition seam is axial not through setting so that either inner sleeve keeps overall structure that can prevent falling off for housing or inner sleeve to housing, increases use reliability, prolongs the service life, be also not easy it is affected by environment and cause to bond it is unreliable.

Description

A kind of middle cross-braced device and its rubber tapered sleeve
Technical field
The utility model is related to bogie technique fields, more particularly to a kind of rubber tapered sleeve.
Background technology
In order to improve vehicle performance, cross-braced device is provided on railway goods train bogie.In the prior art, intersect branch There are two kinds of set-up modes for support arrangement:In a kind of set-up mode, cross-braced device is set in the lower part corner of side frame, i.e., Lower cross-braced bogie device;In another set-up mode, at the delthyrium of side frame, outside or inside setting cross support dress It sets, i.e., middle cross-braced device.
For the bogie with middle cross-braced device, on the outside of side frame or triangle hole site is welded with support base and cone Column, crossbar are connected the side frames of bogie by boring column and rubber tapered sleeve, form elastic four-bar mechanism.
Wherein, rubber tapered sleeve provides rational locating stiffness, forms elastic four-bar mechanism with crossbar, in the horizontal plane The critical speed for improving the diamond resistant rigidity and vehicle operation of bogie, makes bogie have the abrasion of wheel rim and vibration absorber Small, the advantages that maintenance cost is cheap.
It please refers to Fig.1 and Fig. 2, Fig. 1 is a kind of vertical view of typical rubber tapered sleeve in the prior art;Fig. 2 is A- in Fig. 1 The sectional view in the directions A.
As depicted in figs. 1 and 2, rubber tapered sleeve includes 3 ' of 1 ' of sequentially connected housing, 2 ' of rubber and inner sleeve from outside to inside, In, 1 ' of housing is made of three 4 ' of round petals, and 4 ' of each round petals is absolute construction, and is being provided at circumferentially spaced, each round petals 4 ' are Nian Jie with 2 ' of rubber, are then bonded as one by 2 ' of rubber and 3 ' of inner sleeve.
Using above-mentioned existing rubber tapered sleeve, there are following technical problems:
Since 4 ' of each round petals of 1 ' of housing is absolute construction, and it is respectively Nian Jie with 2 ' of rubber, by workmanship and use The influence of environment, finds in maintenance, and the break-off with 2 ' of rubber easily occurs for 4 ' of round petals, causes 1 ' of entire housing can not With reducing the service life of rubber tapered sleeve.
Therefore, it there is an urgent need for a kind of middle cross-braced device of design and its rubber tapered sleeve, falls off to avoid housing, improves rubber cone The service life of set.
Utility model content
The purpose of this utility model is to provide a kind of middle cross-braced device and its rubber tapered sleeve, and housing can be avoided de- It falls, improves the service life of rubber tapered sleeve.
To achieve the above object, the utility model provides a kind of rubber tapered sleeve, including sequentially connected from outside to inside outer Set, rubber and inner sleeve, in the housing and the inner sleeve, the circumferentially-spaced of one is equipped with more than two partition seams, the segmentation Stitch axially extending and not through the housing or the axial direction of the inner sleeve, another one is circumferentially continuous whole tapered sleeve.
The rubber tapered sleeve of the utility model is equipped with more than two partition seams in housing or the circumferentially-spaced of inner sleeve, from And set the one of which in inner sleeve and housing to circumferentially discontinuous structure type, this circumferentially discontinuous structure type So that rubber tapered sleeve generates the compressive deformation of elasticity, and then radial contraction after being acted on by ambient pressure, clamped with realizing, enhancing The elasticity of crossbar;At the same time, the other of jacket and inner sleeve is set as circumferentially continuous whole tapered sleeve, is not provided with dividing Seam can provide preferably circumferential restraining force, ensure structural strength and rigidity.In this way, entire rubber tapered sleeve can take into account elasticity And rigidity, and then rational locating stiffness is provided, elastic four-bar mechanism is formed with crossbar, improves steering in the horizontal plane The diamond resistant rigidity of frame improves the critical speed of vehicle operation, it is also possible that bogie has wheel rim and vibration absorber Wear away the advantages that small, maintenance cost is cheap.What is more important, since partition seam is axial not through setting so that housing or Inner sleeve keeps overall structure, compared with being divided into mutually independent more than two splitted structures in the prior art, this entirety The structure type of formula can prevent falling off for housing or inner sleeve, increase use reliability, prolong the service life, be also not susceptible to Environment influence and cause bond it is unreliable.
Optionally, the partition seam is extended by the housing or the axial one end open of the inner sleeve towards the other end, and Not through the other end.
Optionally, the adjacent partition seam is respectively by axially opposing both ends open.
Optionally, each partition seam is by axial same end opening, and each partition seam is grown in axial extension It spends identical.
Optionally, it is arc groove, and the arc groove that the partition seam, which has end opposite to the open end, the end, Corresponding circular arc is major arc.
Optionally, the partition seam extends radially through the housing or the inner sleeve.
Optionally, the rubber is in circumferentially continuous shell-like;Alternatively, the rubber is set with the housing and the inner sleeve There is one of partition seam similar set up.
Optionally, the rubber includes be adhered to the whole tapered sleeve at least two arc panels with being provided at circumferentially spaced, The circumferential direction of the housing or the inner sleeve is divided at least four arc-like sheets, each two adjacent arc by the partition seam Piece is adhered to an arc panel.
Optionally, for the inner sleeve by one end towards the tapered setting of the other end, the housing is cumulative towards the other end by one end Setting, so that the housing and the inner sleeve are reversely socketed by the rubber.
The utility model additionally provides a kind of middle cross-braced device, including crossbar and rubber tapered sleeve, the crossbar Both ends by the side frame of rubber tapered sleeve and bogie connect, the rubber tapered sleeve be above-mentioned rubber tapered sleeve.
Description of the drawings
Fig. 1 is a kind of vertical view of typical rubber tapered sleeve in the prior art;
Fig. 2 is the sectional view in the directions A-A in Fig. 1;
Fig. 3 is the vertical view of rubber cone set shown in Fig. 1 in a specific embodiment;
Fig. 4 is the partial sectional view of rubber tapered sleeve shown in Fig. 1;
Fig. 5 is the vertical view of the set of rubber tapered sleeve China and foreign countries shown in Fig. 1;
Fig. 6 is the positive structure schematic of housing shown in Fig. 5;
Fig. 7 is the side structure schematic diagram of housing shown in Fig. 5.
In Fig. 1-Fig. 2:
1 ' of housing, 2 ' of rubber, 3 ' of inner sleeve, 4 ' of round petals;
In Fig. 3-Fig. 7:
Housing 1, rubber 2, arc panel 21, gap 22, inner sleeve 3, partition seam 4, open end 41, end 42, arc-like sheet 5.
Specific implementation mode
The utility model provides a kind of middle cross-braced device and its rubber tapered sleeve, housing can be avoided to fall off, and improves The service life of rubber tapered sleeve.
Below in conjunction with attached drawing, the utility model is specifically introduced, so as to this reality of those skilled in the art's accurate understanding With novel technical solution.
Axial, circumferential direction and radial direction as described herein are using rubber tapered sleeve as reference, with the extension of the central axes of rubber tapered sleeve Direction is axial, in the horizontal plane perpendicular to axial direction, with the circular direction of rubber tapered sleeve to be circumferential, the diameter of rubber tapered sleeve Extending direction is radial.
As described herein first, second equal words are only used for the same or similar more than two components of specification configuration, Huo Zhexiang Same or similar more than two structures, do not indicate that the particular determination to sequence.
As described herein inside and outside using the central axes of rubber tapered sleeve as reference, the direction close to the central axes is interior, far from this The direction of central axes is outer.
The utility model provides a kind of middle cross-braced device of rolling stock, including crossbar and rubber tapered sleeve, hands over The both ends of fork arm are connected by the side frame of rubber tapered sleeve and bogie, to form elastic four-bar mechanism, and then improve bogie Diamond resistant rigidity and vehicle operation critical speed so that bogie has that the abrasion of wheel rim and vibration absorber are small, dimension Protect the advantages that low-cost.
In use, being welded with support base and cone column in the position in the outside of side frame or delthyrium, rubber tapered sleeve is socketed on Column is bored, then, the end of crossbar is socketed on rubber tapered sleeve again, realizes the connection with side frame;Since the both ends of crossbar are adopted It is connect with side frame with rubber tapered sleeve, rubber tapered sleeve itself has elasticity so that the both ends of crossbar and the tie point of side frame become Flexible connection, at this point, the side frame of bogie both sides is formed by four-bar mechanism with crossbar has also reformed into four company of elasticity Linkage.This elasticity four-bar mechanism not only has stablizing for general four-bar mechanism specific, and also there is preferable elasticity to become Shape ability;On the one hand the diamond resistant rigidity of bogie can be improved by the stability of double leval jib, and then improves the peace of vehicle operation Quan Xing promotes the critical speed of vehicle operation;On the other hand, it can be buffered in vehicle operation by elastic deformability Vibration, reduces the abrasion of wheel rim and the abrasion of vibration absorber, reduces the operation and maintenance cost of vehicle.
To achieve the above object, as shown in Fig. 3-Fig. 7, the utility model provides a kind of rubber tapered sleeve, for above-mentioned Middle cross-braced device, the intersection taper sheath include sequentially connected housing 1, rubber 2 and inner sleeve 3 from outside to inside, housing 1 and interior In set 3, the circumferentially-spaced of one is equipped with more than two partition seams 4, and each partition seam 4 is axially extending and not through housing 1 or inner sleeve 3 Axial direction;The other of housing 1 and inner sleeve 3 are circumferentially continuous whole tapered sleeve.In the present embodiment, it is set to partition seam 4 outer Set 1, inner sleeve 3 are set as illustrating for whole tapered sleeve, still, it will be understood by those skilled in the art that according to using The installation position that can change partition seam 4 is needed to set housing 1 to whole tapered sleeve by partition seam 4 set on inner sleeve 3, at this point, Partition seam 4 can be configured with the partition seam 4 for being set to housing 1 in analogy the present embodiment.
The rubber tapered sleeve of the utility model, including sequentially connected housing 1, rubber 2 and inner sleeve 3 from outside to inside, in housing 1 Rubber 2 is set between inner sleeve 3, being adhesively fixed for housing 1 and inner sleeve 3 on the one hand can be realized by rubber 2, on the other hand, The elastic connection that housing 1 and inner sleeve 3 can be realized by rubber 2, provides elastic deformability, plays vibration damping and cushioning effect.
Also, in housing 1 and inner sleeve 3, one is equipped with partition seam 4 so that taper sheath is discontinuous in the circumferential, in the external world Under pressure effect, which will produce compressive deformation, and then realize clamping function, and crossbar and side frame are consolidated It is fixed, improve coupling stiffness;Also, this compressive deformation can automatically reply after ambient pressure disappearance, to better adapt to vehicle Operating condition, play buffering and damping effect;Especially, partition seam 4 does not axially penetrate through setting so that this is discontinuous Taper sheath keep an entirety structure type, isolated without being kept completely separate, compared with the existing technology in splitted structure For (being divided into mutually independent round petals), this structure type influenced by bond quality and use environment it is smaller, can To effectively prevent housing 1 or inner sleeve 3 to fall off, connection reliability is improved.Furthermore the other of housing 1 and inner sleeve 3 are set as Whole tapered sleeve, the entirety tapered sleeve can improve coupling stiffness, ensure that rubber tapered sleeve can keep good working condition.Pass through above-mentioned knot Structure extends the service life of the rubber tapered sleeve of the utility model.
In the utility model, housing 1 and inner sleeve 3 are disposed as taper sheath, since partition seam 4 is set in housing 1 and inner sleeve 3 One of, for ease of description, every one of housing 1 or inner sleeve 3 for referring to that taper sheath refers to just herein;Whole tapered sleeve refers to The taper sheath of partition seam 4 is not provided in housing 1 and inner sleeve 3;Rubber tapered sleeve refer to include 3 three of housing 1, rubber 2 and inner sleeve Entirety.
Really as stated in the background art, in the prior art, 1 ' of housing uses splitted structure so that the bonding quality pair of 2 ' of rubber Played a crucial role in the connection reliability of 1 ' of housing, and in the utility model using not through partition seam 4 so that Taper sheath still can reduce the degree of dependence to 2 bonding quality of rubber as a whole, improve the whole of rubber tapered sleeve Body intensity and fastness;Also, especially under the conditions of the rugged environments such as low temperature, 2 ' of rubber is easy cracking, if using valve is divided Structure, it is possible to so that the independent valve body in part falls off, and the utility model enable taper sheath as a whole, i.e., Portion connection is set the cracking of rubber 2 occur, simply by the presence of the position that can be effectively bonded, entire taper sheath would not fall off, and carry High use reliability.
As shown in Figure 3 and Figure 4, partition seam 4 is extended by housing 1 or the axial one end open of inner sleeve 3 towards the other end, and Not through the other end.That is, the axial extension of partition seam 4 is less than housing 1 or the axial length of inner sleeve 3, specifically may be used So that partition seam 4 is cut by the axial one end open of housing 1 or inner sleeve 3, then extend axially towards the other end certain Length, but the end face of the other end can't be reached, it will not more run through the end face of the other end, between the end face of the other end Retain certain axial distance, in the range of the axial distance, the body of housing 1 or inner sleeve 3 is complete entity structure. It still can as a whole, rather than by more than two opposite in this way, being equipped with one of partition seam 4 in housing 1 and inner sleeve 3 Independent point of valve is circumferentially spliced successively, improves the structural stability of entire taper sheath.
In detail, in conjunction with Fig. 5-Fig. 7 it is found that adjacent partition seam 4 can be respectively by axially opposing both ends open, each point Slot 4 can also be in circumferential spaced set, as shown in Figure 5.Using this structure type, if by adjacent two partition seam 4 it Between circumferential distance be defined as L, then in terms of axial any one end, the spacing between two neighboring opening is 2L, is equivalent to every Three partition seams 4 are one group, and the opening of the partition seam 4 in both ends is in axial one end, the opening in intermediate partition seam 4 In the axial other end, in other words, often there is the position that a circumferential spacing is 2L and just open up an opening.In this way, equipped with dividing The taper sheath of slot 4 can preferably keep integrality at axial both ends, avoid shadow due to the meticulous Ground Split in axial end Ring the whole fastness of taper sheath;It is divided at the same time it can also circumferentially disposed enough partition seams 4 in taper sheath, to improve The deformability of taper sheath takes into account the reliability and cushion performance of clamping.
As shown in figure 5, partition seam 4 extends radially through housing 1 or inner sleeve 3, bonding convenience and flexibility are improved, more favorably In providing radial clamping force by deformation, being reliably connected for crossbar and side frame is realized.
As shown in Figure 6 and Figure 7, the opening of the axial one end of housing 1 is in as its open end 41, with opening using partition seam 4 The 41 axially opposite other ends are held to be defined as its end 42, which specifically could be provided as arc groove, and the arc groove pair The circular arc answered could be provided as major arc, that is, be more than semi arch, partition seam 4 at this time on front view or lateral plan substantially It is shown as the structure type of an exclamation mark, only the exclamation mark is continuous, i.e., the point of exclamation mark is communicated as one with perpendicular. Impact resistance is improved convenient for providing enough deformation spaces using this structure type.
Alternatively, those skilled in the art can be as needed so that each partition seam 4 by axial same end opening, and In axial development length having the same.
In conjunction with Fig. 3 and Fig. 4, in the present invention, rubber 2 can be in that circumferentially continuous shell-like is arranged;Alternatively, rubber 2 Structure type similar with housing 1 or inner sleeve 3 may be used, specifically can in housing 1 and inner sleeve 3 be equipped with partition seam 4 one Person's similar set up, in the present embodiment, rubber 2 specifically can be with 1 similar set up of housing.It is described herein it is similar be a mathematics Concept, such as similar cylinder are on the basis of housing 1, reduce the structure of formation according to a certain percentage.When using similar knot When configuration formula is arranged, can preferably it match with housing 1.
As shown in figure 3, rubber 2 can not also with 1 similar set up of housing, can specifically include it is circumferentially spaced at least Two arc panels 21, each arc panel 21 can be adhered to whole tapered sleeve, and in the present embodiment, each arc panel 21 is bonded in inner sleeve 3 outer wall;The circumferential direction of housing 1 is divided at least four arc-like sheets 5 by partition seam 4, and each two adjacent arc-like sheet 5 is adhered to one A arc panel 21.If rubber 2 is equipped with the gap 22 axially penetrated through, which is divided at least two arc panels by rubber 2 21, then the number in gap 22 is the half of the number of partition seam 4, also, with three partition seams 4 for one group, in one group of partition seam 4 On radial extended line in intermediate partition seam 4, if there are one the gaps 22 of rubber 2;Alternatively, in one group of partition seam 4, only exist The gap 22 of a rubber 2 is respectively equipped on the radial extended line of the partition seam 4 at both ends.In this way, the structural intergrity of rubber 2 is more Height is capable of providing stronger cohesiveness, to which housing 1 be fixed, improves the intensity of entire rubber tapered sleeve.
As shown in figure 4, inner sleeve 3 can be by one end towards the tapered setting of the other end, housing 1 can be by one end towards the other end Cumulative setting, so that housing 1 and inner sleeve 3 are reversely socketed by rubber 2.So-called reversed socket refers to the vertex of a cone direction of inner sleeve 3 Axial one end, the other end of the vertex of a cone direction axial direction of housing 1 so that housing 1 and inner sleeve 3 are set with opposite direction, Rubber 2 is accordingly arranged according to the gap between housing 1 and inner sleeve 3.In the present embodiment, the vertex of a cone of housing 1 is towards in Fig. 4 Top, the vertex of a cone of inner sleeve 3 is towards the lower section in Fig. 4.
Inner sleeve 3 and housing 1 using it is this be reversely socketed by the way of can make to avoid because the radial compression power being subject to is excessive It obtains inner sleeve 3 and housing 1 generates axial sliding, improve connection reliability and safety in utilization.
It should be noted that it is complex in view of the structure of bogie and middle cross-braced device, herein only to its rubber The structures such as glue tapered sleeve are illustrated, and other component and connection relation etc. please be with reference to the prior arts.
Cross-braced device and its rubber cone set are described in detail in providing above the utility model.Herein Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to Help understands the core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification It also falls into the protection domain of the utility model claims.

Claims (10)

1. a kind of rubber tapered sleeve, including sequentially connected housing (1), rubber (2) and inner sleeve (3) from outside to inside, which is characterized in that In the housing (1) and the inner sleeve (3), the circumferentially-spaced of one is equipped with more than two partition seams (4), the partition seam (4) Axially extending and not through the housing (1) or the axial direction of the inner sleeve (3), another one is circumferentially continuous whole tapered sleeve.
2. rubber tapered sleeve as described in claim 1, which is characterized in that the partition seam (4) by the housing (1) or it is described in The axial one end open for covering (3) extends towards the other end, and not through the other end.
3. rubber tapered sleeve as claimed in claim 2, which is characterized in that the adjacent partition seam (4) is respectively by axially opposing Both ends open.
4. rubber tapered sleeve as claimed in claim 2, which is characterized in that each partition seam (4) is opened by axial the same end Mouthful, and each partition seam (4) is identical in axial development length.
5. rubber tapered sleeve as claimed in claim 2, which is characterized in that the partition seam (4) has opposite with open end (41) End (42), the end (42) be arc groove, and the corresponding circular arc of the arc groove be major arc.
6. rubber tapered sleeve as described in any one in claim 1-5, which is characterized in that the partition seam (4) extends radially through institute State housing (1) or the inner sleeve (3).
7. rubber tapered sleeve as claimed in claim 6, which is characterized in that the rubber (2) is in circumferentially continuous shell-like;Alternatively, One of the partition seam (4) similar set up is equipped in the rubber (2) and the housing (1) and the inner sleeve (3).
8. rubber tapered sleeve as claimed in claim 6, which is characterized in that the rubber (2) includes being bonded with being provided at circumferentially spaced In at least two arc panels (21) of the whole tapered sleeve, the partition seam (4) is by the housing (1) or the inner sleeve (3) At least four arc-like sheets (5) circumferentially are divided into, each two adjacent arc-like sheet (5) is adhered to an arc panel (21)。
9. rubber tapered sleeve as claimed in claim 6, which is characterized in that the inner sleeve (3) is set by one end towards the other end is tapered Set, the housing (1) by one end towards the cumulative setting of the other end, so that the housing (1) and the inner sleeve (3) pass through the rubber Glue (2) is reversely socketed.
10. a kind of middle cross-braced device, including crossbar and rubber tapered sleeve, the both ends of the crossbar by rubber tapered sleeve with The side frame of bogie connects, which is characterized in that the rubber tapered sleeve is the claims 1-9 any one of them rubber cones Set.
CN201820049609.1U 2018-01-11 2018-01-11 A kind of middle cross-braced device and its rubber tapered sleeve Active CN207916861U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832787A (en) * 2021-10-13 2021-12-24 株洲时代新材料科技股份有限公司 Vibration damping connecting piece and precompression formula track vibration damping structure
CN115874980A (en) * 2023-03-08 2023-03-31 西南石油大学 Sleeve-proof well cementation rubber plug and assembly method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113832787A (en) * 2021-10-13 2021-12-24 株洲时代新材料科技股份有限公司 Vibration damping connecting piece and precompression formula track vibration damping structure
CN115874980A (en) * 2023-03-08 2023-03-31 西南石油大学 Sleeve-proof well cementation rubber plug and assembly method thereof
CN115874980B (en) * 2023-03-08 2023-05-05 西南石油大学 Anti-sleeve type well cementation rubber plug and assembly method thereof

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