CN214197075U - Oil pressure shock absorber for motor train unit - Google Patents
Oil pressure shock absorber for motor train unit Download PDFInfo
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- CN214197075U CN214197075U CN202120122488.0U CN202120122488U CN214197075U CN 214197075 U CN214197075 U CN 214197075U CN 202120122488 U CN202120122488 U CN 202120122488U CN 214197075 U CN214197075 U CN 214197075U
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Abstract
The utility model discloses an oil pressure shock absorber for EMUs, including bumper shock absorber main part, the lantern ring, first solid fixed ring and second solid fixed ring, the both ends of bumper shock absorber main part are fixed respectively and are welded the lantern ring, the fixed orifices that the lantern ring outer wall was seted up is embedded and is installed the lug, the inside threaded connection of lug has the normal side bolt of taking, the threaded end threaded connection of normal side bolt has the normal side nut of taking; the shock absorber comprises a shock absorber main body and is characterized in that a first fixing ring and a second fixing ring are fixedly welded on the outer wall of the circumference of the shock absorber main body, the first fixing ring and the second fixing ring are arranged in the same annular structure, and two groups of fixing rods are welded on the inner side wall of the first fixing ring in parallel; the shell of the shock absorber main body comprises a base plate, a manganese steel layer, a titanium alloy layer, a stainless steel layer and a quenching steel layer. This oil pressure shock absorber for EMUs, simple structure, the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of oil pressure shock absorber, concretely relates to oil pressure shock absorber for EMUs.
Background
When the motor train unit operates, due to the fact that the motor train unit is disturbed by various factors, interaction is necessarily generated between each vehicle of the motor train unit and each rail, and transverse and longitudinal unbalanced forces are generated through interaction. In addition, in the manufacturing process, the rails cannot be absolutely straight and rigid, and the wheels of the motor train unit cannot be perfectly round. Due to the unbalanced force and the manufacturing error, the motor train unit can present a complex motion law when running along the steel rail, so that vibration is inevitably generated, and important influence is generated on the running safety of the motor train unit. In order to reduce vibration frequency and amplitude and improve running safety of a motor train unit, the application of an oil pressure shock absorber in the motor train unit is more and more extensive, but the existing shock absorber cannot well meet the sealing property on the premise of meeting the shock absorption effect due to design reasons, so that the normal work of the oil pressure shock absorber is influenced.
Therefore, in order to meet the current situation, the oil pressure damper for the motor train unit needs to be designed and produced urgently so as to meet the actual use requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil damper for EMUs to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an oil pressure shock absorber for a motor train unit comprises a shock absorber main body, a lantern ring, a first fixing ring and a second fixing ring, wherein the lantern ring is fixedly welded at each of two ends of the shock absorber main body;
the shock absorber comprises a shock absorber main body and is characterized in that a first fixing ring and a second fixing ring are fixedly welded on the outer wall of the circumference of the shock absorber main body, the first fixing ring and the second fixing ring are arranged in the same annular structure, and two groups of fixing rods are welded on the inner side wall of the first fixing ring in parallel;
the shell of the shock absorber main body comprises a base plate, a manganese steel layer, a titanium alloy layer, a stainless steel layer and a quenching steel layer.
Preferably, the outer surface of the substrate is connected with a manganese steel layer through acrylic acid grafted viscose fibers, the outer surface of the manganese steel layer is connected with a titanium alloy layer through acrylic acid grafted viscose fibers, the inner surface of the substrate is connected with a stainless steel layer through acrylic acid grafted viscose fibers, and the inner surface of the stainless steel layer is connected with a quenched steel layer through acrylic acid grafted viscose fibers.
Preferably, the thread ends of the two groups of fixing rods respectively penetrate through the two groups of fixing holes formed in the outer wall of the second fixing ring, and nuts are sleeved on the thread ends of the two groups of fixing rods in a threaded manner.
Preferably, the thickness of the manganese steel layer is the same as that of the titanium alloy layer, and the thickness of the stainless steel layer is the same as that of the quenched steel layer.
Preferably, the two groups of lantern rings are both arranged in a circular ring structure, and the two groups of lantern rings are transversely and longitudinally arranged respectively.
The utility model discloses a technological effect and advantage: according to the oil pressure shock absorber for the motor train unit, the first fixing ring and the second fixing ring are fixedly connected through the two groups of fixing rods and the two groups of nuts, so that a compartment is formed between the first fixing ring and the second fixing ring, air pressure sealing can be formed, the sealing effect is good, and oil leakage can be prevented; the problem that the shell of the existing shock absorber is short in service life due to the fact that the shell of the existing shock absorber does not have a high-strength function is solved through the manganese steel layer, the titanium alloy layer, the stainless steel layer and the quenching steel layer; this oil pressure shock absorber for EMUs, simple structure, the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the collar of the present invention;
fig. 3 is a partial cross-sectional view of the damper body of the present invention.
In the figure: 1 a damper main body, 11 base plates, 12 manganese steel layers, 13 titanium alloy layers, 14 stainless steel layers, 15 quenched steel layers, 2 lantern rings, 3 bolts with flanges, 4 first fixing rings, 5 second fixing rings, 6 fixing rods, 7 nuts, 8 lifting lugs and 9 nuts with flanges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides an oil pressure shock absorber for EMUs as shown in figures 1-3, including bumper shock absorber main part 1, lantern ring 2, first solid fixed ring 4 and second solid fixed ring 5, the both ends of bumper shock absorber main part 1 are fixed respectively and have been welded lantern ring 2, the fixed orifices that the lantern ring 2 outer wall was seted up are embedded and are installed lug 8, the internal screw thread of lug 8 is connected with normal band edge bolt 3, the screw thread end screw thread of normal band edge bolt 3 is connected with normal band edge nut 9;
a first fixing ring 4 and a second fixing ring 5 are fixedly welded on the outer wall of the circumference of the shock absorber main body 1, the first fixing ring 4 and the second fixing ring 5 are arranged in the same annular structure, and two groups of fixing rods 6 are welded on the inner side wall of the first fixing ring 4 in parallel;
the outer shell of the damper body 1 includes a base plate 11, a manganese steel layer 12, a titanium alloy layer 13, a stainless steel layer 14, and a quenched steel layer 15.
Specifically, the outer surface of the substrate 11 is connected with a manganese steel layer 12 through acrylic acid grafted viscose fibers, the outer surface of the manganese steel layer 12 is connected with a titanium alloy layer 13 through acrylic acid grafted viscose fibers, the inner surface of the substrate 11 is connected with a stainless steel layer 14 through acrylic acid grafted viscose fibers, and the inner surface of the stainless steel layer 14 is connected with a quenching steel layer 15 through acrylic acid grafted viscose fibers.
Specifically, the thread ends of the two groups of fixing rods 6 respectively penetrate through two groups of fixing holes formed in the outer wall of the second fixing ring 5, and nuts 7 are arranged on the thread ends of the two groups of fixing rods 6 in a thread sleeving mode.
Specifically, the thickness of the manganese steel layer 12 is the same as that of the titanium alloy layer 13, and the thickness of the stainless steel layer 14 is the same as that of the quenched steel layer 15.
Specifically, two sets of lantern rings 2 all set up to ring shape structure, and two sets of lantern rings 2 are horizontal and vertical setting respectively.
The theory of operation, this oil pressure shock absorber for EMUs, when using, utilize first solid fixed ring 4 and the solid fixed ring 5 of second through two sets of dead levers 6 and two sets of nut 7 fixed connection for form the compartment between first solid fixed ring 4 and the solid fixed ring 5 of second, thereby can form the atmospheric pressure and seal, it is sealed effectual, can prevent the oil leak, use through the cooperation of taking normal limit bolt 3 on the lantern ring 2, taking normal limit nut 9 and lug 8 after that, thereby install with the automobile body.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides an oil damper for EMUs, includes bumper shock absorber main part (1), lantern ring (2), the solid fixed ring of first solid fixed ring (4) and the solid fixed ring of second (5), its characterized in that: the shock absorber comprises a shock absorber main body (1), wherein two ends of the shock absorber main body (1) are respectively and fixedly welded with a sleeve ring (2), a lifting lug (8) is embedded into a fixing hole formed in the outer wall of the sleeve ring (2), a bolt (3) with a flange is in threaded connection with the inside of the lifting lug (8), and a nut (9) with a flange is in threaded connection with the threaded end of the bolt (3) with the flange;
a first fixing ring (4) and a second fixing ring (5) are fixedly welded on the outer wall of the circumference of the shock absorber main body (1), the first fixing ring (4) and the second fixing ring (5) are arranged in the same annular structure, and two groups of fixing rods (6) are welded on the inner side wall of the first fixing ring (4) in parallel;
the shell of the shock absorber main body (1) comprises a substrate (11), a manganese steel layer (12), a titanium alloy layer (13), a stainless steel layer (14) and a quenching steel layer (15).
2. The oil damper for motor train units according to claim 1, wherein: the surface of base plate (11) is connected with manganese steel layer (12) through acrylic acid grafting viscose fiber, the surface of manganese steel layer (12) is connected with titanium alloy layer (13) through acrylic acid grafting viscose fiber, the internal surface of base plate (11) is connected with stainless steel layer (14) through acrylic acid grafting viscose fiber, the internal surface of stainless steel layer (14) is connected with quenching steel layer (15) through acrylic acid grafting viscose fiber.
3. The oil damper for motor train units according to claim 1, wherein: the thread ends of the two groups of fixing rods (6) respectively penetrate through the two groups of fixing holes formed in the outer wall of the second fixing ring (5), and the thread ends of the two groups of fixing rods (6) are sleeved with nuts (7).
4. The oil damper for motor train units according to claim 1, wherein: the thickness of the manganese steel layer (12) is the same as that of the titanium alloy layer (13), and the thickness of the stainless steel layer (14) is the same as that of the quenched steel layer (15).
5. The oil damper for motor train units according to claim 1, wherein: the lantern rings (2) are arranged in a circular ring structure, and the lantern rings (2) are arranged transversely and longitudinally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120122488.0U CN214197075U (en) | 2021-01-15 | 2021-01-15 | Oil pressure shock absorber for motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120122488.0U CN214197075U (en) | 2021-01-15 | 2021-01-15 | Oil pressure shock absorber for motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197075U true CN214197075U (en) | 2021-09-14 |
Family
ID=77637845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120122488.0U Active CN214197075U (en) | 2021-01-15 | 2021-01-15 | Oil pressure shock absorber for motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197075U (en) |
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2021
- 2021-01-15 CN CN202120122488.0U patent/CN214197075U/en active Active
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