CN210859636U - Conical spring for hoisting equipment under vehicle - Google Patents
Conical spring for hoisting equipment under vehicle Download PDFInfo
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- CN210859636U CN210859636U CN201921794687.5U CN201921794687U CN210859636U CN 210859636 U CN210859636 U CN 210859636U CN 201921794687 U CN201921794687 U CN 201921794687U CN 210859636 U CN210859636 U CN 210859636U
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Abstract
The utility model relates to an under-vehicle equipment is conical spring for hoist and mount, including metal outer frame and metal inner frame, metal outer frame upper portion is big-end-up's loudspeaker form, metal outer frame lower part is the tube-shape, metal outer frame upper end is provided with the flange, a plurality of bolt holes have been seted up on the flange, metal inner frame lower part is the tube-shape, metal inner frame upper portion is the umbelliform to expanding all around gradually, the coaxial setting of metal inner frame is in metal outer frame, stretch out from metal outer frame at metal inner frame both ends, metal inner frame is from last to being equipped with the shaft hole that runs through down, it bonds to vulcanize between metal outer frame inner wall and the metal inner frame outer wall has the rubber body, be equipped with the arc hole on the rubber body, the arc hole sets up and runs through the rubber body along the inside slope of rubber. The flexible connection device has the advantages of small volume, convenience in assembly and high rigidity, can realize flexible connection between the under-vehicle hoisting equipment and the vehicle bottom, and has good vibration damping and impact isolating effects.
Description
Technical Field
The utility model relates to a mechanical assembly field, concretely relates to conical spring is used in equipment hoist and mount under car.
Background
The stiffness requirements of conical springs are different in different situations for trains. When the locomotive is unloaded, the rigidity of the conical spring cannot be too large, and the elasticity is good, namely when the pressure of the load of the locomotive on the conical spring is suddenly increased, the rigidity of the conical spring cannot be suddenly increased, and a good damping effect can be achieved. However, after the train is loaded, especially under the maximum load, the conical spring is required to have large rigidity and good elasticity, and most of the devices for ensuring the train to run are arranged on the train underframe, such as: some devices are heavy, conical springs on the market cannot meet the requirement on rigidity, and some conical springs have large volume and excessively occupy space under a train; the installation steps are complicated, and the later period maintenance is not facilitated.
Therefore, the vibration reduction and impact isolation device has small volume, convenient assembly and high rigidity, can realize the flexible connection between the under-vehicle hoisting equipment and the vehicle bottom, and solves the problems by using a product with good vibration reduction and impact isolation effects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a small, convenient assembling, rigidity is big, can realize under the car lifting device and with the vehicle bottom flexonics, the damping separates towards effectual under the car equipment conical spring for hoist and mount.
In order to solve the problems in the prior art, the conical spring for hoisting the equipment under the vehicle provided by the utility model comprises a metal outer framework and a metal inner framework, the upper part of the metal outer framework is in a horn shape with a large upper part and a small lower part, the lower part of the metal outer framework is in a cylinder shape, the upper end of the metal outer framework is provided with a flange, the flange is provided with a plurality of bolt holes, the lower part of the metal inner framework is cylindrical, the upper part of the metal inner framework is umbrella-shaped and gradually expands towards the periphery, the metal inner framework is coaxially arranged in the metal outer framework, two ends of the metal inner framework extend out of the metal outer framework, the metal inner framework is provided with a shaft hole penetrating from top to bottom, a rubber body is vulcanized and bonded between the inner wall of the metal outer framework and the outer wall of the metal inner framework, the rubber body is provided with an arc-shaped hole which is arranged along the top surface of the rubber body in an inward inclined manner.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, be equipped with the arc wall on the rubber body, the arc wall with the bolt hole corresponds the setting.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, the arc hole interval sets up adjacently between the arc wall, the arc wall is along metal inner frame axis central symmetry distribution in the rubber body.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, the rubber body upper end is spherical and adheres to on the flange, and the rubber body lower extreme is the back taper along metal inner frame lower extreme inner wall and connects at metal outer frame lower extreme.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, the cross-section of rubber body lower extreme comprises one section big camber arc line and one section little camber arc line, and big camber arc line one end is connected with metal exoskeleton inner wall lower extreme, and the big camber arc line other end is connected with little camber arc line one end, big camber arc line and little camber arc line junction rounding off, and the little camber arc line other end is connected with metal exoskeleton outer wall lower extreme.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, flange and metal exoskeleton integrated into one piece.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, the rubber body adopts the natural rubber preparation.
Further, the utility model relates to an under car equipment is conical spring for hoist and mount, wherein, the material of metal exoskeleton, metal inner frame and flange is No. 45 steel or nodular cast iron.
The utility model relates to an under car equipment is conical spring for hoist and mount compares with prior art, has following advantage: the utility model comprises a metal outer framework, a metal inner framework and a rubber body, wherein the upper part of the metal outer framework is in a horn shape with a big top and a small bottom, the lower part of the metal outer framework is in a tube shape, the lower part of the metal inner framework is in a tube shape, the upper part of the metal inner framework is in an umbrella shape gradually expanding to the periphery, the metal inner framework is coaxially arranged in the metal outer framework, two ends of the metal inner framework extend out from the metal outer framework, the inner wall of the metal outer framework and the outer wall of the metal inner framework are vulcanized and bonded into a whole by the rubber body, the whole rigidity is large, and the installation of equipment with large mass can be satisfied; the upper end of the metal outer framework is provided with the flange, the flange is provided with a plurality of bolt holes, the metal inner framework is provided with a through shaft hole from top to bottom, the metal outer framework is fixed by bolts, and then equipment to be hoisted passes through the shaft hole to be hoisted, so that the assembly is convenient; the volume is small, and the assembly space can be saved; the rubber body vulcanized and bonded between the metal outer framework and the metal inner framework can realize the flexible connection between the under-vehicle hoisting equipment and the vehicle bottom, and has good vibration damping and impact isolating effects; through set up the arc hole on the rubber body, let the arc hole set up along the inside slope of rubber body top surface for conical spring provides the space of rubber body deformation when vertical atress, has also improved the ability of shearing of the rubber body.
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
Drawings
FIG. 1 is a perspective view of a conical spring for lifting equipment under a vehicle;
FIG. 2 is a top view of the conical spring for hoisting the under-vehicle equipment of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
As shown in fig. 1 to 3, the present invention relates to a specific embodiment of a conical spring for hoisting under-vehicle equipment, which comprises a metal outer frame 1 and a metal inner frame 2, wherein the lower part of the metal outer frame 1 is tubular, and the upper part is horn-shaped with a large upper part and a small lower part; wherein the lower part of the metal inner framework 2 is cylindrical, and the upper part is umbrella-shaped and gradually expands towards the periphery; the metal inner framework 2 is coaxially arranged in the metal outer framework 1, two ends of the metal inner framework 2 extend out of the metal outer framework 1, the rubber body 4 is vulcanized and bonded between the inner wall of the metal outer framework 1 and the outer wall of the metal inner framework 2, and through the arrangement of the horn-shaped and umbrella-shaped structures, the bonding area of the rubber body 4 with the metal outer framework 1 and the metal inner framework 2 is increased, so that the bonding is more stable; secondly, the integral rigidity of the conical spring is improved, and the hoisting requirement on equipment with larger quality can be met. Set up flange 3 in 1 upper end of metal exoskeleton, in order to ensure the reliability that metal exoskeleton 1 is connected with flange 3, simplify the manufacture craft, let flange 3 and 1 integrated into one piece of metal exoskeleton to a plurality of bolt holes 31 have been seted up on flange 3, bolt holes 31 are used for the installation of metal exoskeleton 1 and vehicle bottom frame. The metal inner framework 2 is provided with a shaft hole 21 penetrating from top to bottom, and the shaft hole 21 is used for connecting equipment needing to be hoisted. During assembly, the conical spring is fixed on the vehicle chassis, and then equipment to be installed is hoisted on the shaft hole 21 of the metal inner framework 2, so that the assembly is simple, and the maintenance and the replacement are convenient. The rubber body 4 filled between the metal outer framework 1 and the metal inner framework 2 is made of natural rubber and has high elasticity, so that flexible contact between equipment needing to be hoisted and a train underframe is realized under the action of the rubber body 4, noise generated in the high-speed running process of a train set can be reduced, and impact load and vibration in the running process of the train are effectively reduced, absorbed and isolated. Through set up the arc hole 5 that runs through rubber body 4 top surface and medial surface middle part slope setting on rubber body 4, and the contained angle between arc hole 5 and the metal inner frame 2 is 30, make conical spring provide the space of deformation for rubber body 4 when vertical atress, the ability of shearing of rubber body 4 has also been improved, conical spring's life has been prolonged simultaneously, compare with the through-hole of running through is seted up at rubber body 4 top surface and bottom surface, the requirement of articulating equipment to conical spring lateral stiffness can be satisfied promptly in the slope design of arc hole 5, can absorb the vehicle again at the transverse impact load of the in-process of traveling.
As a specific implementation mode, the upper end of the rubber body 4 is spherical and is attached to the flange 3, and the spherical design can also increase the contact area between the rubber body 4 and hoisting equipment, so that the connection reliability is enhanced; the lower end of the rubber body 4 is connected to the lower end of the metal outer framework 1 in an inverted cone shape along the inner wall of the lower end of the metal inner framework 2, so that the bonding is more stable.
As an optimized scheme, in order to further avoid stress concentration on the rubber body 4, the cross section of the lower end of the rubber body 4 is composed of a section of a large-curvature arc line 41 and a section of a small-curvature arc line 42, one end of the large-curvature arc line 41 is connected with the lower end of the inner wall of the metal outer framework 1, the other end of the large-curvature arc line 41 is connected with one end of the small-curvature arc line 42, the joint of the large-curvature arc line 41 and the small-curvature arc line 42 is in smooth transition, and the other end of the small-curvature arc line 41 is connected with the lower end of the outer wall of the metal inner framework 2.
As an optimization scheme, the utility model provides a 4 upper ends of rubber body are equipped with arc wall 43, and arc wall 43 avoids the setting of bolt hole 31, makes things convenient for bolted connection. As preferred technical scheme, wherein bolt hole 31 concrete design is three, bolt hole 31 is along 2 axis centrosymmetric designs of metal inner frame, the arc wall 43 that corresponds is also three, let 5 intervals in arc hole set up between adjacent arc wall 43, arc hole 5 is along 2 axis centrosymmetric distributions in the rubber body 4 in the metal inner frame, make the atress that toper rubber shock absorber can be in each direction more even through setting up above structure, guarantee the stability of the vehicle operation in-process that articulates equipment, thereby improve the stationarity of vehicle operation.
The metal outer framework 1, the metal inner framework 2 and the flange 3 are made of materials with high strength, such as No. 45 steel or nodular cast iron.
It should be noted that the utility model can be installed on the train running in the high and 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 temperature range of the working environment of the utility model can reach-50 ℃ to +40 ℃ (TB/T2843-2015 is required to be adjusted for 24 hours under the temperature condition of-50 ℃, the static rigidity of the steel plate is detected under the condition, the low-temperature rigidity coefficient is required to be not more than 1.5), and the static rigidity at normal temperature is 304.6N/mm according to the standard vertebra of the railway industry at the test temperature (23 ℃) and at the test speed of 10 mm/min; the low-temperature static rigidity is 428.6N/mm under the test temperature (-50 ℃); therefore, the low-temperature rigidity coefficient is 1.41 (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 being in line with the application 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 (8)
1. The conical spring for hoisting the under-vehicle equipment is characterized by comprising a metal outer framework (1) and a metal inner framework (2), wherein the upper part of the metal outer framework (1) is in a horn shape with a large upper part and a small lower part, the lower part of the metal outer framework (1) is in a cylindrical shape, a flange (3) is arranged at the upper end of the metal outer framework (1), a plurality of bolt holes (31) are formed in the flange (3), the lower part of the metal inner framework (2) is in a cylindrical shape, the upper part of the metal inner framework (2) is in an umbrella shape gradually enlarging to the periphery, the metal inner framework (2) is coaxially arranged in the metal outer framework (1), two ends of the metal inner framework (2) extend out of the metal outer framework (1), the metal inner framework (2) is provided with a shaft hole (21) penetrating from top to bottom, a rubber body (4) is vulcanized between the inner wall of the metal outer framework (1) and the outer wall of the metal inner framework (2, the rubber body (4) is provided with an arc-shaped hole (5), and the arc-shaped hole (5) is arranged along the top surface of the rubber body (4) in an inward inclined mode.
2. The conical spring for hoisting the equipment under the vehicle as claimed in claim 1, wherein the rubber body (4) is provided with an arc-shaped groove (43), and the arc-shaped groove (43) is arranged corresponding to the bolt hole (31).
3. The conical spring for hoisting the equipment under the vehicle as claimed in claim 2, wherein the arc holes (5) are arranged between the adjacent arc grooves (43) at intervals, and the arc holes (5) are symmetrically distributed in the rubber body (4) along the axis center of the metal inner frame (2).
4. The conical spring for hoisting the equipment under the vehicle as claimed in claim 3, wherein the upper end of the rubber body (4) is spherical and attached to the flange (3), and the lower end of the rubber body (4) is connected to the lower end of the metal outer frame (1) along the lower end of the outer wall of the metal inner frame (2) in an inverted cone shape.
5. The conical spring for hoisting the equipment under the vehicle as claimed in claim 4, wherein the cross section of the lower end of the rubber body (4) is composed of a section of a large-curvature arc line (41) and a section of a small-curvature arc line (42), one end of the large-curvature arc line (41) is connected with the lower end of the inner wall of the metal outer framework (1), the other end of the large-curvature arc line (41) is connected with one end of the small-curvature arc line (42), the joint of the large-curvature arc line (41) and the small-curvature arc line (42) is in smooth transition, and the other end of the small-curvature arc line (42) is connected with the lower end of the outer wall of the metal inner framework (2).
6. The conical spring for hoisting the equipment under the vehicle as claimed in claim 5, wherein the flange (3) is integrally formed with the metal outer frame (1).
7. The conical spring for hoisting the equipment under the vehicle as claimed in claim 6, wherein the rubber body (4) is made of natural rubber.
8. The conical spring for hoisting the equipment below the vehicle as claimed in claim 7, wherein the material of the metal outer frame (1), the metal inner frame (2) and the flange (3) is 45 steel or nodular cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794687.5U CN210859636U (en) | 2019-10-23 | 2019-10-23 | Conical spring for hoisting equipment under vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794687.5U CN210859636U (en) | 2019-10-23 | 2019-10-23 | Conical spring for hoisting equipment under vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210859636U true CN210859636U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921794687.5U Active CN210859636U (en) | 2019-10-23 | 2019-10-23 | Conical spring for hoisting equipment under vehicle |
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| Country | Link |
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| CN (1) | CN210859636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719580A (en) * | 2021-08-09 | 2021-11-30 | 株洲时代新材料科技股份有限公司 | Method for improving service performance of transverse stop |
-
2019
- 2019-10-23 CN CN201921794687.5U patent/CN210859636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719580A (en) * | 2021-08-09 | 2021-11-30 | 株洲时代新材料科技股份有限公司 | Method for improving service performance of transverse stop |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210810 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. |