CN211009671U - Rubber shock absorber for under-vehicle hoisting equipment - Google Patents
Rubber shock absorber for under-vehicle hoisting equipment Download PDFInfo
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- CN211009671U CN211009671U CN201921999375.8U CN201921999375U CN211009671U CN 211009671 U CN211009671 U CN 211009671U CN 201921999375 U CN201921999375 U CN 201921999375U CN 211009671 U CN211009671 U CN 211009671U
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Abstract
The utility model relates to a rubber shock absorber for lifting device under car, skeleton and rubber layer under the metal on the metal, the metal is the skeleton and is equipped with the groove of accepting of placing the metal upper frame down, the shaft hole has been seted up along the fore-and-aft direction to the skeleton on the metal, it has the rubber layer to fill between skeleton and the metal under the metal, the rubber layer includes left rubber layer, right rubber layer and lower rubber layer, left rubber layer vulcanizes and bonds on skeleton left side wall on metal lower frame left inner wall and the metal, right rubber layer vulcanizes and bonds on skeleton right side wall on metal lower frame right inner wall and the metal, lower rubber layer vulcanizes and bonds on skeleton diapire and the metal upper frame diapire, do not fill between lower rubber layer and left rubber layer and the right rubber layer, be equipped with first metal baffle in the left rubber layer, be equipped with second metal. The flexible suspension device has the advantages of large bearing capacity, high rigidity, capability of realizing flexible contact between equipment to be hoisted and a hoisting frame and capability of buffering vibration impact.
Description
Technical Field
The utility model relates to a vehicle shock absorber technical field, concretely relates to rubber shock absorber for lifting device under car.
Background
The existing train is provided with large-scale equipment such as a traction converter, a traction transformer, a single-time auxiliary converter, a double-time auxiliary converter, a charger, a storage battery, a vehicle-mounted power supply box, a brake control module, a dirt box, a water purification box, an air compressor, a traction motor ventilator and the like under the train, and when the equipment is fixedly connected with the train body, a shock absorber needs to be installed at the joint for reducing vibration and noise. The existing shock absorber product has small bearing capacity and rigidity and cannot be widely applied to the connecting part of the equipment above the ton level and a vehicle body; the flexible connection cannot be realized during the running process of the vehicle, and the vibration impact is buffered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have the big rigidity of bearing capacity height, can realize needing the flexonics of lifting device and hoist and mount frame to cushion the car rubber shock absorber for lifting device that the vibration is strikeed.
In order to solve the above problems in the prior art, the utility model provides a rubber shock absorber for under-vehicle lifting equipment, which comprises a metal upper framework, a metal lower framework and a rubber layer, wherein the metal lower framework is provided with a receiving groove for placing the metal upper framework, the metal upper framework is provided with shaft holes along the front and back direction, a rubber layer is vulcanized between the metal upper framework and the metal lower framework, the rubber layer comprises a left rubber layer, a right rubber layer and a lower rubber layer, the left rubber layer is vulcanized and bonded on the left inner wall of the metal lower framework and the left side wall of the metal upper framework, the right rubber layer is vulcanized and bonded on the right inner wall of the metal lower framework and the right side wall of the metal upper framework, the lower rubber layer is vulcanized and bonded on the bottom wall of the metal lower framework and the bottom wall of the metal upper framework, the lower rubber layer is not filled between the left rubber layer and the right rubber layer, and a second metal partition plate is arranged in the right rubber layer.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, the skeleton is the V-arrangement structure on the metal, accept the groove for with the metal on the V-arrangement structure assorted V-arrangement recess of skeleton.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, the left rubber layer upper surface between metal upper framework and the first metal baffle is the S-shaped, the left rubber layer upper surface between metal lower framework and the first metal baffle is the arc, the left rubber layer lower surface is the arc; the upper right rubber layer molded surface between the upper metal framework and the second metal partition plate is S-shaped, the upper right rubber layer molded surface between the lower metal framework and the second metal partition plate is arc-shaped, and the lower right rubber layer molded surface is arc-shaped.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, lower rubber layer left side profile and right profile are convex, and lower rubber layer front profile and back profile are the S-shaped.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, be equipped with third metal partition in the lower rubber layer.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, be equipped with two spacing grooves on two inside walls of V-arrangement recess respectively.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, the spacing groove is by preceding to back level setting along two inside walls of V-arrangement recess, spacing groove length is less than the thickness of skeleton under the metal, and the width of spacing groove reduces from the tank bottom to the notch gradually.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, both ends are equipped with the mount pad respectively about the skeleton lower part under the metal, be equipped with the bolt hole on the mount pad.
Further, the utility model relates to a rubber shock absorber for lifting device under car, wherein, skeleton and metal skeleton surface all are coated with the anticorrosive coating under the metal.
The utility model relates to a rubber shock absorber for lifting device under car compares with prior art, has following advantage: the utility model discloses there is the rubber layer vulcanize between metal upper frame and metal lower frame, the rubber layer includes left rubber layer, right rubber layer and lower rubber layer, left rubber layer vulcanizes and bonds on metal lower frame left side inner wall and metal upper frame left side wall, right rubber layer vulcanizes and bonds on metal lower frame right side inner wall and metal upper frame right side wall, lower rubber layer vulcanizes and bonds on metal lower frame diapire and metal upper frame diapire, do not fill between lower rubber layer and left rubber layer and the right rubber layer, and be equipped with first metal baffle in the left rubber layer, be equipped with the second metal baffle in the right rubber layer, through setting up above structure, stronger than current rubber shock absorber bearing capacity, vertical rigidity is bigger, and can realize the flexible contact of equipment that needs to hoist and mount with the hoist and mount frame, buffering vibration is strikeed; the bearing groove is designed into a V-shaped groove, two limiting grooves are respectively formed in two side walls of the V-shaped groove, the limiting grooves are horizontally arranged from front to back along two inner side walls of the V-shaped groove, the length of each limiting groove is smaller than the thickness of the lower metal framework, the contact area between the rubber layer and the lower metal framework is enlarged, the width of each limiting groove is gradually reduced from the groove bottom to the groove opening, a certain clamping effect is achieved on the rubber layer, and the bonding stability of the rubber layer is guaranteed.
The rubber damper for an under-vehicle lifting device of the present invention will be described in further detail with reference to the following embodiments shown in the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the rubber damper for an under-vehicle lifting device of the present invention;
FIG. 2 is a top view of the rubber damper for an under-vehicle lifting device of the present invention;
fig. 3 is a cross-sectional view of an embodiment of the present invention taken along line a-a of fig. 2;
fig. 4 is a cross-sectional view taken along line a-a of fig. 2 according to another embodiment of the present invention.
Detailed Description
As shown in fig. 1 to fig. 3, for the first embodiment of the rubber damper for the lifting device under the vehicle of the present invention, the rubber damper comprises an upper metal frame 1, a lower metal frame 2 and a rubber layer. The utility model discloses an assembly on the hoist and mount frame under the car, both ends are equipped with mount pad 23 respectively about 2 lower parts of skeleton under the metal, are equipped with bolt hole 24 on the mount pad 23, only need pass through bolt hole 24 with the bolt earlier when the assembly will the utility model discloses fix on hoist and mount frame, then pass shaft hole 11 with the equipment that needs to adjust and fix on skeleton 1 on the metal, the assembly is simple. A rubber layer is vulcanized between the metal upper framework 1 and the metal lower framework 2 and is made of natural rubber so as to buffer vertical impact load. In order to enable the static rigidity of the rubber damper to gradually increase along with the deformation of the rubber layer, the rubber layer is divided into three parts, including a left rubber layer 31, a right rubber layer 32 and a lower rubber layer 33, the left rubber layer 31 is vulcanized and bonded on the left inner wall of the metal lower framework 2 and the left side wall of the metal upper framework 1, the right rubber layer 32 is vulcanized and bonded on the right inner wall of the metal lower framework 2 and the right side wall of the metal upper framework 1, the lower rubber layer 33 is vulcanized and bonded on the bottom wall of the metal lower framework 2 and the bottom wall of the metal upper framework 1, and the lower rubber layer 33 is arranged to further improve the rigidity of the damper in the vertical. The lower rubber layer 33, the left rubber layer 31 and the right rubber layer 32 are not filled with the rubber, a deformation space is provided for the rubber, the metal lower framework 2 is provided with the bearing groove 21 for placing the metal upper framework 1, the bearing groove 21 plays a limiting role along with the continuous displacement of the rubber layers, the rubber layers are prevented from further deforming, the vertical static rigidity of the rubber shock absorber is continuously increased, and the bearing capacity can be improved.
As an optimization scheme, in order to avoid stress concentration of the rubber layer, the rubber layer is designed into a smooth transition surface. The specific design mode is as follows: the upper profile of the left rubber layer 31 between the metal upper framework 1 and the first metal partition 311 is S-shaped, the upper profile of the left rubber layer 31 between the metal lower framework 2 and the first metal partition 311 is arc-shaped, and the lower profile of the left rubber layer 31 is arc-shaped; the upper profile of the right rubber layer 32 between the metal upper framework 1 and the second metal partition 321 is S-shaped, the upper profile of the right rubber layer 32 between the metal lower framework 2 and the second metal partition 321 is arc-shaped, and the lower profile of the right rubber layer 32 is arc-shaped. The left and right molded surfaces of the lower rubber layer 33 are both arc-shaped, and the front and rear molded surfaces of the lower rubber layer 33 are both S-shaped.
The utility model provides a skeleton 1 design is the V-arrangement structure on the metal, accept groove 21 for with V-arrangement structure assorted V-arrangement recess, can adjust the holistic rigidity of rubber shock absorber through the angle of skeleton 1 on the adjustment metal and the V-arrangement inclined plane contained angle of accepting groove 21.
As shown in fig. 1 to fig. 2 in combination with fig. 4, in order to implement the second embodiment of the rubber damper for the under-vehicle lifting device of the present invention, it includes the structure and the basic components of the first embodiment, and the difference lies in: the rubber vibration absorber is characterized in that a first metal partition 311 is arranged in the left rubber layer 31, a second metal partition 321 is arranged in the right rubber layer 32, and a third metal partition 331 is arranged in the lower rubber layer 33.
As specific implementation mode, be equipped with two spacing grooves 22 on the two inside walls about this embodiment V-arrangement recess respectively, let spacing groove 22 set up by preceding to back level along two inside walls of V-arrangement recess, and spacing groove 22 length is less than the thickness of skeleton 2 under the metal, make the area of contact grow of skeleton 2 under rubber layer and the metal, and the width of spacing groove 22 reduces from the tank bottom to the notch gradually, there is certain block effect to the rubber layer, the stability that the rubber layer bonded has been guaranteed, spacing groove 22 of course sets up also from top to bottom along the V-arrangement recess.
It should be noted that, in the present invention, the metal upper frame 1, the metal lower frame 2, the first metal partition 311, the second metal partition 321, and the third metal partition 331 are made of No. 45 steel or nodular cast iron to meet the requirement for the overall strength, and may be made of other materials if the requirement is met; the outer surfaces of the upper metal framework 1 and the lower metal framework 2 are coated with anticorrosive coatings, and the anticorrosive coatings can be surface painting; electrogalvanizing, nickel, chromium, etc., or hot-dip galvanizing; the corrosion resistance is improved and the service life is prolonged by adopting grease corrosion prevention and other modes.
The utility model can be installed on the train running in the severe cold environment, and can bear the working environment of minus 50 ℃ to plus 40 ℃. The low-temperature product of the hoisting shock absorber of the under-train equipment used on the motor train unit at present is a low-temperature shock absorber assembled and used on a 380B high and cold train, the working environment temperature is-40 ℃ to +40 ℃, and the technical standard is as follows: TB/T2843-2015 is required to be adjusted for 24 hours under the temperature condition of-40 ℃, and the static stiffness of the alloy is detected under the condition, and the low-temperature stiffness coefficient of the alloy is required to be not more than 1.5. The utility model discloses a working environment temperature range can reach-50 ℃ - +40 ℃ (TB/T2843 supple with materials 2015's requirement is under-50 ℃ temperature condition, adjusts 24 hours to detect its quiet rigidity under this condition, require its low temperature rigidity coefficient to be not more than 1.5). According to the standard vertebra of the railway industry, 3 cyclic compression tests are automatically completed at the test temperature (23 ℃) and the test speed of 10mm/min, and the static rigidity at normal temperature is 1628.7N/mm; the low-temperature static rigidity is 2049.2/mm when measured at the test temperature (-50 ℃); therefore, the low-temperature rigidity coefficient is 1.26 (namely the ratio of the low-temperature static rigidity to the normal-temperature static rigidity) which is less than 1.5 specified by the railway industry standard, thereby conforming to the assembly of the utility model in the high and cold environment.
The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.
Claims (9)
1. The rubber shock absorber for the under-vehicle hoisting equipment is characterized by comprising a metal upper framework (1), a metal lower framework (2) and a rubber layer, wherein the metal lower framework (2) is provided with a bearing groove (21) for placing the metal upper framework (1), the metal upper framework (1) is provided with shaft holes (11) along the front and rear directions, a rubber layer is vulcanized between the metal upper framework (1) and the metal lower framework (2), the rubber layer comprises a left rubber layer (31), a right rubber layer (32) and a lower rubber layer (33), the left rubber layer (31) is vulcanized and bonded on the left inner wall of the metal lower framework (2) and the left side wall of the metal upper framework (1), the right rubber layer (32) is vulcanized and bonded on the right inner wall of the metal lower framework (2) and the right side wall of the metal upper framework (1), the lower rubber layer (33) is vulcanized and bonded on the bottom wall of the metal lower framework (2) and the bottom wall of the metal upper framework (1, the rubber sealing rubber is characterized in that the space between the lower rubber layer (33) and the left rubber layer (31) and the space between the lower rubber layer and the right rubber layer (32) are not filled, a first metal partition plate (311) is arranged in the left rubber layer (31), and a second metal partition plate (321) is arranged in the right rubber layer (32).
2. The rubber shock absorber for the under-vehicle hoisting equipment as recited in claim 1, wherein the metal upper framework (1) is a V-shaped structure, and the receiving groove (21) is a V-shaped groove matched with the V-shaped structure of the metal upper framework (1).
3. The rubber shock absorber for the under-vehicle hoisting equipment is characterized in that the upper profile of the left rubber layer (31) between the metal upper framework (1) and the first metal partition plate (311) is S-shaped, the upper profile of the left rubber layer (31) between the metal lower framework (2) and the first metal partition plate (311) is arc-shaped, and the lower profile of the left rubber layer (31) is arc-shaped; the upper molded surface of the right rubber layer (32) between the metal upper framework (1) and the second metal partition plate (321) is S-shaped, the upper molded surface of the right rubber layer (32) between the metal lower framework (2) and the second metal partition plate (321) is arc-shaped, and the lower molded surface of the right rubber layer (32) is arc-shaped.
4. The rubber shock absorber for the under-vehicle hoisting equipment as recited in claim 3, wherein the left and right profiles of the lower rubber layer (33) are circular arc-shaped, and the front and rear profiles of the lower rubber layer (33) are S-shaped.
5. A rubber damper for under-car lifting equipment according to claim 4, characterized in that a third metal diaphragm (331) is provided in the lower rubber layer (33).
6. The rubber shock absorber for the under-vehicle hoisting equipment as recited in claim 5, wherein two limiting grooves (22) are respectively formed on two inner side walls of the V-shaped groove.
7. The rubber shock absorber for the under-vehicle hoisting equipment as recited in claim 6, wherein the limiting groove (22) is horizontally arranged from front to back along two inner side walls of the V-shaped groove, the length of the limiting groove (22) is less than the thickness of the metal lower framework (2), and the width of the limiting groove (22) is gradually reduced from the groove bottom to the groove opening.
8. The rubber shock absorber for the under-vehicle hoisting equipment according to any one of claims 1 to 7, wherein the metal lower framework (2) is provided with mounting seats (23) at the left and right ends of the lower part thereof, and the mounting seats (23) are provided with bolt holes (24).
9. The rubber shock absorber for the under-vehicle hoisting equipment according to any one of claims 1 to 7, wherein the outer surfaces of the metal upper framework (1) and the metal lower framework (2) are coated with an anticorrosive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999375.8U CN211009671U (en) | 2019-11-18 | 2019-11-18 | Rubber shock absorber for under-vehicle hoisting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999375.8U CN211009671U (en) | 2019-11-18 | 2019-11-18 | Rubber shock absorber for under-vehicle hoisting equipment |
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| Publication Number | Publication Date |
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| CN211009671U true CN211009671U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921999375.8U Active CN211009671U (en) | 2019-11-18 | 2019-11-18 | Rubber shock absorber for under-vehicle hoisting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580646A (en) * | 2021-08-06 | 2021-11-02 | 济南龙山炭素有限公司 | Anode carbon block molding production system |
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- 2019-11-18 CN CN201921999375.8U patent/CN211009671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580646A (en) * | 2021-08-06 | 2021-11-02 | 济南龙山炭素有限公司 | Anode carbon block molding production system |
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Effective date of registration: 20210817 Address after: 065400 No. 29, Yunping Road, east of Yunhe Avenue, Xianghe Economic Development Zone, Langfang City, Hebei Province Patentee after: Xianghe hangcai Baimu Technology Co.,Ltd. Address before: No.8, Huanshan village, Wenquan Town, Haidian District, Beijing 100095 Patentee before: BEIJING BIAM UNITED Co.,Ltd. |