CN210946310U - Separable double-layer turnout vibration reduction fastener - Google Patents
Separable double-layer turnout vibration reduction fastener Download PDFInfo
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- CN210946310U CN210946310U CN201921264559.XU CN201921264559U CN210946310U CN 210946310 U CN210946310 U CN 210946310U CN 201921264559 U CN201921264559 U CN 201921264559U CN 210946310 U CN210946310 U CN 210946310U
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- turnout
- base plate
- rubber pad
- backing plate
- boss
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- 230000009467 reduction Effects 0.000 title description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 146
- 229910052742 iron Inorganic materials 0.000 claims abstract description 73
- 229920001971 elastomer Polymers 0.000 claims abstract description 55
- 239000005060 rubber Substances 0.000 claims abstract description 55
- 238000013016 damping Methods 0.000 claims abstract description 37
- 239000004677 Nylon Substances 0.000 claims abstract description 31
- 229920001778 nylon Polymers 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
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Abstract
The utility model provides a detachable double-deck switch damping fastener, including coupling backing plate (7), still include lower iron backing plate (1) and upper iron backing plate (3) that its top set up, be equipped with the intermediate rubber pad (2) of integrated into one piece formula between the two, lower iron backing plate (1) top is equipped with two at least bosss (6), boss (6) outside cover is equipped with nylon adapter sleeve (4), this nylon adapter sleeve (4) with upper iron backing plate (3), lower iron backing plate (1) and intermediate rubber pad (2) are connected and are formed the pre-assembling body; boss (6) with nylon adapter sleeve (4) top is equipped with roll adjustment apron (5), roll adjustment apron (5) boss (6) and all be equipped with corresponding through-hole on coupling backing plate (7) for set up anchor bolt. This application has avoided each block rubber that the concatenation of polylith rubber pad caused to take place the skew, and adopts one set of mould can accomplish the rubber pad shaping, avoids tailorring the loaded down with trivial details of concatenation.
Description
Technical Field
The embodiment of the utility model belongs to the technical field of the rail transit, more specifically relates to a double-deck switch damping fastener of detachable.
Background
At present, the turnout vibration damping fastener in China mainly has three structural types, namely a vulcanized base + iron backing plate type, a double-layer vulcanized fastener and a vibration damping turnout base system.
The vulcanized base and the iron base plate type fastener adopt a vulcanized bonding type vibration damping base as a vibration damping unit and a turnout fastener iron base plate as a steel rail connecting unit; the vulcanizing base is formed by bonding an upper iron plate and a lower iron plate into an inseparable whole in a rubber vulcanization mode, and the structure and the action mechanism of the double-layer vulcanizing type fastener are similar to those of a vulcanizing base and an iron backing plate type fastener; the damping turnout base system is provided with three layers of iron base plates, and the detachable design of the iron base plates and the damping units is realized integrally in a mechanical connection mode.
The following problems mainly exist in the production and use processes of the fasteners:
firstly, the turnout rubber pad is made of styrene butadiene rubber or natural rubber and is not oil-resistant. In order to ensure that the switch tongue is flexible in transverse movement, railway engineering departments frequently apply oil lubrication to a track bed below the switch tongue, each slide plate is provided with a switch rubber pad, and due to the fact that the slide plates are not oil-resistant, bubbles, cracks and original performance are lost after a long time, and potential safety hazards are brought to train operation.
Secondly, adopt many sets of moulds production local interval when making the switch rubber pad, then tailor the concatenation, production efficiency is low, and is extravagant serious to because overlap joint each part does not connect, some positions can take place the skew after operation a period, cause the influence to driving safety and damping volume.
Thirdly, the metal pieces in the above forms are all formed by casting, the flatness of the cast base plate is not easy to control, and particularly the casting of the long base plate is as follows: the flatness of the fastener can also be affected by casting unevenness; when the train passes through different areas of the turnout, the integral stability of the turnout is poor, the maintenance work of track parts in the turnout area is increased, and inconvenience is brought to field operation and maintenance.
SUMMERY OF THE UTILITY MODEL
To prior art's above defect or improvement demand, the utility model provides a double-deck switch damping fastener of detachable can have avoided polylith rubber pad concatenation to form among the prior art on the one hand, because the condition of skew takes place for each block rubber that the discontinuity caused guarantees driving safety, and on the other hand adopts the one set of mould to accomplish the shaping manufacturing of rubber pad, can raise the efficiency by a wide margin, avoids tailorring the loaded down with trivial details of concatenation.
In order to achieve the purpose, the utility model provides a separable double-layer turnout damping fastener, which comprises a coupling base plate arranged close to a ballast bed foundation, a lower iron base plate and an upper iron base plate, wherein the lower iron base plate and the upper iron base plate are arranged above the coupling base plate; wherein,
an integrally formed intermediate rubber gasket is arranged between the lower iron base plate and the upper iron base plate, at least two bosses are arranged at the top of the lower iron base plate, nylon connecting sleeves are sleeved outside the bosses, and the nylon connecting sleeves are connected with the upper iron base plate, the lower iron base plate and the intermediate rubber gasket to form a pre-assembled body;
the boss with nylon adapter sleeve top is equipped with the roll adjustment apron, the roll adjustment apron all be equipped with corresponding through-hole on the boss and the coupling backing plate for set up anchor bolt.
Furthermore, a plurality of convex nail structures are arranged on the middle rubber pad, and a plurality of through holes staggered with the convex nail structures are formed in the two sides and the middle of the middle rubber pad.
Furthermore, the through holes on the two sides of the middle rubber pad are the same as the bottom edge of the nylon connecting sleeve in shape, and the size and the shape of the middle through hole are consistent with those of the boss arranged in the middle section.
Further, the middle rubber pad is made of oil-resistant rubber.
Furthermore, a heightening base plate is arranged between the lower iron base plate and the coupling base plate.
Furthermore, the thickness of the height-adjusting base plate is 5mm, and the height-adjusting base plate is made of metal or plastic.
Furthermore, the horizontal both sides of heightening backing plate all are equipped with the through-hole that suits with anchor bolt, and the shape of through-hole is different, and the opening direction is different.
Furthermore, a plurality of connecting pieces are further arranged at the top of the upper iron base plate and are arranged on two transverse sides of the steel rail.
Furthermore, a groove is formed around the bottom of the boss, a lower flange corresponding to the bottom of the nylon connecting sleeve is arranged at the bottom of the nylon connecting sleeve, and an upper flange opposite to the lower flange in direction is arranged at the top of the nylon connecting sleeve.
Further, the top of the boss is flush with the top of the nylon connecting sleeve.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) the utility model discloses a double-deck switch damping fastener of detachable through the intermediate rubber pad that sets up the integral type between last iron tie plate and lower iron tie plate, can avoid polylith rubber pad concatenation among the prior art to form on the one hand, because the discontinuity and each block rubber that causes takes place the condition of skew, guarantees driving safety, and on the other hand adopts the production manufacturing that one set of mould can accomplish the rubber pad, can raise the efficiency by a wide margin, avoids tailorring the loaded down with trivial details of concatenation.
(2) The utility model discloses a double-deck switch damping fastener of detachable, the middle rubber pad has the oil resistance, has solved lubricating oil and has influenced the problem to the application of switch rubber tie plate, increases life, reduces the maintenance volume of railway engineering department, guarantees the operation safety of train.
(3) The utility model discloses a double-deck switch damping fastener of detachable, the accent height backing plate that sets up between lower iron tie plate and the coupling backing plate can realize the accent height to the track negative direction to play the effect of adjusting whole rail smoothness degree, guaranteed the overall stability of train through the switch region.
(4) The utility model discloses a double-deck switch damping fastener of detachable forms the pre-assembling body through connecting last iron tie plate, lower iron tie plate and middle rubber pad, carries out the pre-assembling before dispatching from the factory, can realize on-the-spot quick installation, reduces the cost of installing now.
(5) The utility model discloses a double-deck switch damping fastener of detachable, the upper flange and the lower flange of nylon adapter sleeve will go up iron tie plate, lower iron tie plate and middle rubber pad are fixed firm, avoid taking place the skew in the middle of the above-mentioned part.
Drawings
FIG. 1 is a schematic view of an assembly of a separable double-layer turnout damping fastener according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a middle rubber pad related to a separable double-layer turnout damping fastener in an embodiment of the utility model;
fig. 3 is the embodiment of the utility model provides a but height-adjusting backing plate structural schematic that double-deck switch damping fastener of disconnect-type relates to.
In all the figures, the same reference numerals denote the same features, in particular: 1-lower iron base plate, 2-middle rubber pad, 3-upper iron base plate, 4-nylon connecting sleeve, 5-distance adjusting cover plate, 6-lower iron plate boss, 7-coupling plate and 8-height adjusting base plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is the embodiment of the utility model provides a double-deck switch damping fastener assembly of detachable schematic diagram, as shown in fig. 1, the utility model discloses a double-deck switch damping fastener of detachable is applied to the switch region in the track traffic, including lower iron tie plate 1, middle rubber pad 2, go up iron tie plate 3, nylon adapter sleeve 4, roll adjustment apron 5, lower iron plate boss 6, coupling plate 7 and heightening backing plate 8.
Specifically, be close to the railway roadbed basis and be equipped with coupling backing plate 7, coupling backing plate 7 top is equipped with down iron backing plate 1 and last iron backing plate 3, and is equipped with rubber cushion in the middle of being equipped with 2 between iron backing plate 1 and the last iron backing plate 3 down, can see from figure 1 that the face of rubber cushion in the middle of 2 and lower iron backing plate 1 and last iron backing plate 3 contact all is equipped with a plurality of protruding nail structures. The top of the lower iron base plate 1 is provided with at least two bosses 6, the outside of the bosses 6 of the lower iron base plate is sleeved with a nylon connecting sleeve 4, and the nylon connecting sleeve 4 is used for connecting the upper iron base plate 3, the lower iron base plate 1 and the middle rubber pad 2 to form a pre-assembled body. The top of the boss 6 is provided with a distance-adjusting cover plate 5, the boss 6 of the lower iron base plate and the coupling base plate 7 are respectively provided with a corresponding through hole for arranging an anchor bolt, and the anchor bolt sequentially penetrates through the through hole on the distance-adjusting cover plate 5, the through hole on the boss 6 of the lower iron base plate and the through hole on the coupling base plate 7 to fix the separable double-layer turnout vibration-damping fastener on the railway bed. The utility model discloses a double-deck switch damping fastener of detachable forms the pre-assembling body through connecting last iron tie plate 3, lower iron tie plate 1 and middle rubber pad 2, carries out the pre-assembling before dispatching from the factory, can realize the quick installation at scene, reduces the cost of installing now.
It can also be seen from figure 1 that, be equipped with the recess around the bottom of boss, the bottom of nylon adapter sleeve 4 is equipped with corresponding lower flange with it, and 4 tops of nylon adapter sleeve are equipped with the upper flange opposite with lower flange direction, and wherein lower flange is used for blocking boss 6 on middle rubber pad 2 and the lower iron backing plate 1, and upper iron backing plate 3 is used for blocking upper iron backing plate 3, the utility model discloses a damping fastener through nylon adapter sleeve 4, with upper iron backing plate 3, lower iron backing plate 1 and middle rubber pad 2 fixed firm, avoids taking place the skew in the middle of the above-mentioned part.
More preferably, the top of the boss 6 on the lower iron base plate 1 is level with the top of the nylon connecting sleeve 4, and the distance-adjusting cover plate 5 is arranged on the top of the boss 6 and the nylon connecting sleeve 4.
In addition, the top of the upper iron base plate 3 is also provided with a plurality of connecting pieces 9, and the connecting pieces 9 are arranged on two transverse sides of the steel rail and used for fixing the steel rail.
Further, fig. 2 is a schematic diagram of a middle rubber pad structure related to a separable double-layer turnout damping fastener according to an embodiment of the present invention, with reference to fig. 1 and 2, the middle rubber pad 2 is of an integral structure, and the middle rubber pad 2 is provided with a plurality of stud structures and a plurality of through holes staggered with the stud structures, wherein the through holes on both sides have the same shape as the bottom edge of the nylon connecting sleeve 4, and are used for clamping the bosses 6 corresponding to both ends of the lower iron shim plate 1 and the nylon connecting sleeve 4 sleeved outside the bosses 6; the size and shape of the through hole in the middle of the middle rubber pad 2 are consistent with those of the boss arranged at the middle section, the boss arranged at the middle section of the lower iron base plate 1 is clamped, the middle rubber pad 2 can be more firmly connected and fixed with the iron base plate, the transverse displacement and the transverse displacement of the middle rubber pad 2 are limited, and the stability of the whole structure is improved. Additionally, the utility model discloses a split type double-deck switch damping fastener relates to the middle rubber pad adopts the integrated into one piece mode to obtain, and formula structure as an organic whole has avoided polylith rubber pad concatenation among the prior art to form on the one hand, and because the condition of skew takes place for each block rubber that the discontinuity caused guarantees driving safety, and on the other hand adopts the manufacturing that one set of mould can accomplish the rubber pad, can raise the efficiency by a wide margin, avoids tailorring the loaded down with trivial details of concatenation.
Preferably, middle rubber pad 2 adopts resistant oily rubber to make, the utility model discloses an among the double-deck switch damping fastener of detachable, middle rubber pad has the oil resistance, has solved lubricating oil and to the application influence problem of switch rubber tie plate, increases life, reduces the maintenance volume of railway work department, guarantees the operation safety of train.
In addition, still be equipped with between lower iron tie plate 1 and the coupling backing plate 7 and increase backing plate 8, fig. 3 is the embodiment of the utility model provides an increase backing plate structure sketch map that double-deck switch damping fastener of detachable relates to combines fig. 1, fig. 2 and fig. 3, increases the horizontal both sides of backing plate 8 and all is equipped with the through-hole that suits with anchor bolt, and the shape of through-hole is different, and the opening direction is different, is favorable to making this increase backing plate 8 when the stable of iron tie plate 1 and coupling backing plate 7 is fixed down, conveniently increases inserting and taking out of backing plate 8. The utility model discloses a setting of heightening backing plate 8 in the double-deck switch damping fastener of detachable can realize the heightening to the track negative direction to play the effect of adjusting whole rail smoothness, guaranteed the overall stability of train through the switch region.
More preferably, the height-adjusting shim plate 8 between the lower iron shim plate 1 and the coupling shim plate 7 is 5mm in thickness; the material of the heightening backing plate 8 is metal or plastic.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. A separable double-layer turnout shock absorption fastener comprises a coupling base plate (7), a lower iron base plate (1) and an upper iron base plate (3) which are sequentially arranged from bottom to top; it is characterized in that the preparation method is characterized in that,
an integrally formed intermediate rubber pad (2) is arranged between the lower iron base plate (1) and the upper iron base plate (3), at least two bosses (6) are arranged at the top of the lower iron base plate (1), nylon connecting sleeves (4) are sleeved outside the bosses (6), and the nylon connecting sleeves (4) are connected with the upper iron base plate (3), the lower iron base plate (1) and the intermediate rubber pad (2) to form a pre-assembled body;
boss (6) with nylon adapter sleeve (4) top is equipped with roll adjustment apron (5), roll adjustment apron (5) boss (6) and all be equipped with corresponding through-hole on coupling backing plate (7) for set up anchor bolt.
2. The separable double-deck turnout shock-absorbing fastener according to claim 1, wherein said middle rubber pad (2) is provided with a plurality of stud structures, and both sides and the middle thereof are provided with a plurality of through holes staggered with the stud structures.
3. The separable double-layer turnout vibration damping fastener according to claim 2, wherein through holes on two sides of the middle rubber pad (2) are the same as the bottom edge of the nylon connecting sleeve (4), and the size and shape of the through hole in the middle are the same as those of a boss arranged in the middle section.
4. The separable double-layer turnout damping fastener according to any one of claims 1-3, wherein the material of the middle rubber pad (2) is oil-resistant rubber.
5. The separable double-deck turnout damping fastener according to any one of claims 1-3, characterized in that a height-adjusting shim plate (8) is further arranged between the lower iron shim plate (1) and the coupling shim plate (7).
6. The separable double-deck turnout damping fastener according to claim 5, wherein the height-adjusting shim plate (8) is 5mm thick and made of metal or plastic.
7. The separable double-layer turnout damping fastener according to claim 5, wherein the heightening base plate (8) is provided with through holes corresponding to the anchor bolts at both lateral sides, and the through holes are different in shape and opening direction.
8. The separable double-layer turnout damping fastener according to any one of claims 1-3, wherein a plurality of connecting pieces (9) are further arranged on the top of the upper iron backing plate (3), and the connecting pieces (9) are arranged on two transverse sides of the steel rail.
9. The separable double-deck turnout damping fastener according to any one of claims 1-3, wherein a groove is provided around the bottom of the boss (6), a lower flange corresponding to the bottom of the nylon connecting sleeve (4) is provided at the bottom of the nylon connecting sleeve, and an upper flange opposite to the lower flange is provided at the top of the nylon connecting sleeve (4).
10. The separable double-deck turnout damping fastener according to claim 9, wherein the top of the boss (6) is flush with the top of the nylon connecting sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921264559.XU CN210946310U (en) | 2019-08-06 | 2019-08-06 | Separable double-layer turnout vibration reduction fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921264559.XU CN210946310U (en) | 2019-08-06 | 2019-08-06 | Separable double-layer turnout vibration reduction fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210946310U true CN210946310U (en) | 2020-07-07 |
Family
ID=71391035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921264559.XU Active CN210946310U (en) | 2019-08-06 | 2019-08-06 | Separable double-layer turnout vibration reduction fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210946310U (en) |
-
2019
- 2019-08-06 CN CN201921264559.XU patent/CN210946310U/en active Active
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