CN214689518U - Steel cable dynamic fixing device and railway vehicle - Google Patents
Steel cable dynamic fixing device and railway vehicle Download PDFInfo
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- CN214689518U CN214689518U CN202120010630.2U CN202120010630U CN214689518U CN 214689518 U CN214689518 U CN 214689518U CN 202120010630 U CN202120010630 U CN 202120010630U CN 214689518 U CN214689518 U CN 214689518U
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Abstract
The utility model provides a steel cable dynamic fixation device and rail vehicle. The steel cable dynamic fixing device comprises a slide bar, a vehicle body connecting part and a steel cable connecting part, wherein one end of the slide bar is fixedly provided with a shaft sleeve; the vehicle body connecting part is fixedly connected with a vehicle body and is rotationally connected with the shaft sleeve; the steel cable connecting part comprises a lifting ring and a steel cable buckle rotationally connected with the lifting ring, the lifting ring is slidably sleeved on the sliding rod, and the steel cable buckle is fixedly connected with a steel cable. The utility model provides a steel cable dynamic fixation device can realize the dynamic fixation to the steel cable for the steel cable can carry out multi-direction regulation for the automobile body, makes the degree of freedom of steel cable when the vehicle crosses the bend strengthen greatly, so that the bending stress greatly reduced that the steel cable produced, and then makes the steel cable fixed more level and smooth and easy, has effectively alleviated the brake lining eccentric wear problem.
Description
Technical Field
The utility model relates to a rail vehicle technical field especially relates to a steel cable dynamic fixation device and rail vehicle.
Background
At present, when a hand braking device of a railway vehicle is connected with an interface of a bogie by a steel cable, the steel cable needs to be fixed on a vehicle body. In the prior art, fixed-point fixing is adopted between a steel cable and a vehicle body, so that the steel cable generates large bending stress in the vehicle moving process, and the bending stress is applied to a brake cylinder interface to cause eccentric abrasion of a brake pad.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel cable dynamic fixation device for solve among the prior art steel cable and the automobile body adopt the fixed great defect of the bending stress that leads to of fixed point, can realize the dynamic fixation between steel cable and the automobile body, thereby reduce steel cable bending stress, alleviate the brake lining eccentric wear.
The utility model provides a steel cable dynamic fixation device, include:
one end of the sliding rod is fixedly provided with a shaft sleeve;
the vehicle body connecting part is used for being fixedly connected with a vehicle body and is rotationally connected with the shaft sleeve;
the steel cable connecting part comprises a lifting ring and a steel cable buckle connected with the lifting ring in a rotating mode, the lifting ring is sleeved on the sliding rod in a sliding mode, and the steel cable buckle is fixedly connected with the steel cable.
According to the utility model provides a steel cable dynamic fixation device, automobile body connecting portion include vehicle connection board, connecting axle and coupling nut, the one end of connecting axle with vehicle connection board fixed connection, the other end of connecting axle be equipped with the connecting thread of coupling nut looks adaptation, the other end of connecting axle passes the axle sleeve with coupling nut threaded connection, just the connecting axle with axle sleeve normal running fit.
According to the utility model provides a dynamic steel cable fixing device, the connecting shaft comprises a limiting part, a rotating part and a fixing part which are arranged in sequence, the outer diameter of the limiting part is larger than that of the rotating part, and the outer diameter of the rotating part is larger than that of the fixing part; the outer diameter of the limiting part is larger than the inner diameter of the shaft sleeve, and the inner diameter of the rotating part is smaller than the inner diameter of the shaft sleeve; the rotating part is matched with the shaft sleeve in a rotating mode, and the fixing part is connected with the connecting nut in a threaded mode.
According to the utility model, a first limit step is formed between the limit part and the rotating part, and a second limit step is formed between the rotating part and the fixed part; the flexible gasket is sleeved on the rotating part between the first limiting step and the shaft sleeve, and the rigid gasket is sleeved on the fixed part between the second limiting step and the connecting nut.
According to the utility model provides a dynamic steel cable fixing device, a first connecting hole is arranged on a connecting plate of a vehicle body, a mounting seat is fixedly connected on the vehicle body, and a second connecting hole corresponding to the first connecting hole is arranged on the mounting seat; the vehicle body connecting plate and the mounting seat are fixedly connected through a first connecting piece, and the first connecting piece sequentially penetrates through the corresponding first connecting hole and the second connecting hole.
According to the utility model provides a dynamic steel cable fixing device, the steel cable buckle comprises two mutually buckled clamping parts and two mutually buckled semicylinders, the two clamping parts are buckled with each other to form a cylindrical installation cavity, and the two semicylinders are buckled with each other to form a steel cable installation cavity; the steel cable is fixedly arranged in the steel cable installation cavity, and the two semi-cylinders are fixedly arranged in the cylinder installation cavity.
According to the utility model provides a steel cable dynamic fixation device, steel cable connecting portion still include the axis of rotation, the one end of axis of rotation with rings fixed connection, the other end of axis of rotation is equipped with spacing boss, the steel cable buckle be equipped with the spacing groove of spacing boss looks adaptation, spacing boss with the spacing groove rotates to be connected.
According to the utility model provides a steel cable dynamic fixation device, two can dismantle the connection through the second connecting piece between the block portion.
According to the utility model provides a steel cable developments fixing device, the other end of slide bar is equipped with spacing tip, the external diameter of spacing tip is less than the external diameter of slide bar, spacing tip with form the spacing step of third between the slide bar the cover is equipped with spacing packing ring on the spacing tip install and be used for the location on the spacing tip the locating pin of spacing packing ring, spacing packing ring clamps the spacing step of third with between the locating pin.
The utility model also provides a rail vehicle, including foretell steel cable dynamic fixation device.
The utility model provides a steel cable developments fixing device, one end through at the slide bar sets up the axle sleeve, through car body connecting portion and automobile body fixed connection, and be connected the axle sleeve rotation on car body connecting portion and the slide bar, rings and slide bar sliding fit through steel cable connecting portion, steel cable buckle and steel cable fixed connection through steel cable connecting portion, and make rings and steel cable buckle rotate to be connected, thereby realize the developments fixed to the steel cable, make the steel cable can carry out multi-direction regulation for the automobile body, when the vehicle passes through the bend, the steel cable also can move along with the vehicle, because the dynamic fixed mode of steel cable, make the degree of freedom of steel cable when the vehicle passes through the bend strengthen greatly, so that the bending stress greatly reduced that the steel cable produced, and then make the steel cable fix more level and smooth and easy, the brake lining eccentric wear problem has effectively been alleviated.
The utility model provides a rail vehicle, including foretell steel cable dynamic fixation device. Because the railway vehicle is provided with the steel cable dynamic fixing device, the railway vehicle has all the advantages of the steel cable dynamic fixing device, the structure of the railway vehicle is optimized, and the service performance of the railway vehicle is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the dynamic steel cable fixing device according to the present invention in an assembled state;
FIG. 2 is a schematic structural view of a dynamic steel cable fixing device provided in the present invention;
FIG. 3 is a front view of the connecting portion of the vehicle body according to the present invention;
FIG. 4 is a top view of the vehicle body connecting part of the present invention;
FIG. 5 is a front view of the steel cable connecting portion of the present invention;
FIG. 6 is a side view of the steel cable connecting portion of the present invention;
FIG. 7 is an assembly view of the hanging ring, the rotating shaft and the limiting boss of the present invention;
fig. 8 is an isometric view of the middle engaging portion of the present invention.
Reference numerals:
1: a slide bar; 2: a vehicle body connecting portion; 21: a vehicle body connecting plate;
22: a connecting shaft; 23: a connecting nut; 24: a flexible gasket;
25: a rigid gasket; 211: a first connection hole; 221: a limiting part;
222: a rotating part; 223: a fixed part; 3: a wire rope connecting portion;
31: a hoisting ring; 32: a steel cable buckle; 33: a rotating shaft;
34: a limiting boss; 321: a fastening part; 322: a semicylindrical body;
323: a cylinder mounting cavity; 324: a wire rope mounting cavity; 3211: a limiting groove;
4: a shaft sleeve; 5: a vehicle body; 6: a wire rope;
7: a mounting seat; 8: a first connecting member; 9: a second connecting member;
10: a limiting washer; 11: positioning pins; 12: and limiting the end part.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The following describes an embodiment of the dynamic wire rope fixing device according to the present invention with reference to fig. 1 to 8.
As shown in fig. 1 and fig. 2, the dynamic fixing device for steel cable of the embodiment of the present invention comprises a sliding rod 1, a car body connecting portion 2 and a steel cable connecting portion 3, wherein a shaft sleeve 4 is fixedly disposed at one end of the sliding rod 1, and the axis direction of the shaft sleeve 4 is perpendicular to the axis direction of the sliding rod 1.
Wherein, the vehicle body connecting part 2 is used for being fixedly connected with a vehicle body 5, and the vehicle body connecting part 2 is rotatably connected with the shaft sleeve 4, that is, the vehicle body connecting part 2 can rotate relative to the shaft sleeve 4 on the slide bar 1.
The cable connecting portion 3 includes a hanging ring 31 and a cable buckle 32 rotatably connected to the hanging ring 31, the hanging ring 31 is slidably sleeved on the sliding rod 1, and the cable buckle 32 is fixedly connected to the cable 6. That is, the cable attachment portion 3 can slide along the slider 1 via the suspension ring 31, and the cable hook 32 can rotate with respect to the suspension ring 31.
Therefore, the utility model discloses steel cable dynamic fixation device can realize the dynamic fixation to steel cable 6 for steel cable 6 can carry out multi-direction regulation for automobile body 5. When the vehicle passed through the bend, steel cable 6 also can take place the motion along with the vehicle, because steel cable 6 adopts the dynamic fixation mode for the degree of freedom of steel cable 6 when the vehicle passed through the bend strengthens greatly, thereby makes the bending stress greatly reduced that steel cable 6 produced, makes the fixed more level and smooth and easy of steel cable 6, and then has effectively alleviated the brake lining eccentric wear problem.
The utility model discloses steel cable dynamic fixation device not only can be used for the dynamic of steel cable 6 to be fixed, can also be used for the dynamic of other flexible cables to be fixed.
As shown in fig. 1 to 4, in some embodiments of the present invention, the car body connecting portion 2 includes a car body connecting plate 21, a connecting shaft 22 and a connecting nut 23, one end of the connecting shaft 22 is fixedly connected to the car body connecting plate 21, the other end of the connecting shaft 22 is provided with a connecting thread adapted to the connecting nut 23, the other end of the connecting shaft 22 passes through the shaft sleeve 4 and is connected to the connecting nut 23 by a thread, and the connecting shaft 22 is rotatably fitted to the shaft sleeve 4. The vehicle body connecting plate 21 is used for being connected and fixed with the mounting seat 7, so that the vehicle body connecting part 2 and the vehicle body 5 are fixedly mounted. The other end of the connecting shaft 22 can be limited by the threaded fit of the connecting nut 23 and the other end of the connecting shaft 22, so that the connecting shaft 22 is prevented from being separated from the shaft sleeve 4, and the connecting shaft 22 can rotate in the shaft sleeve 4.
Specifically, the vehicle body connecting plate 21 is provided with a first connecting hole 211, the mounting base 7 is fixedly mounted on the vehicle body 5, and the mounting base 7 is provided with a second connecting hole corresponding to the first connecting hole 211. Wherein, the vehicle body connecting plate 21 is fixedly connected with the mounting seat 7 through the first connecting piece 8, and the first connecting piece 8 sequentially passes through the corresponding first connecting hole 211 and the second connecting hole. That is, the fitting fixation between the vehicle body connecting plate 21 and the mount base 7 is achieved by the first connecting member 8.
Particularly, in order to guarantee that the assembly between the vehicle body connecting plate 21 and the mount pad 7 is stable, according to the actual use requirement, two or more than two first connecting holes 211 can be arranged on the vehicle body connecting plate 21, and correspondingly, a plurality of second connecting holes corresponding to the first connecting holes 211 one by one are arranged on the mount pad 7, so that the vehicle body connecting plate 21 and the mount pad 7 are fixedly connected through a plurality of first connecting pieces 8.
In the present embodiment, two first connection holes 211 are provided on the vehicle body connection plate 21, and the two first connection holes 211 are symmetrically provided on opposite sides of the connection shaft 22.
Specifically, the first connecting member 8 may be a bolt, a screw or a rivet according to actual use requirements. It should be understood that the form of the first connecting member 8 is not limited to the type described above as long as the fitting fixation between the vehicle body connecting plate 21 and the mount base 7 can be achieved.
In some embodiments of the present invention, the connecting shaft 22 includes a limiting portion 221, a rotating portion 222 and a fixing portion 223, which are sequentially disposed, wherein the limiting portion 221 is connected to the vehicle body connecting plate 21, an outer diameter of the limiting portion 221 is greater than an outer diameter of the rotating portion 222, and an outer diameter of the rotating portion 222 is greater than an outer diameter of the fixing portion 223. The outer diameter of the stopper 221 is larger than the inner diameter of the sleeve 4, and the inner diameter of the rotating portion 222 is smaller than the inner diameter of the sleeve 4. That is, when the coupling shaft 22 is assembled with the sleeve 4, the stopper portion 221 is located outside the sleeve 4, the rotating portion 222 is disposed in the sleeve 4 and is rotatably fitted with the sleeve 4, and the fixing portion 223 extends to the outside of the sleeve 4 to be screwed with the coupling nut 23, so that the stopper portion is stopped with the coupling shaft 22 by the coupling nut 23 to ensure that the rotating portion 222 is located in the sleeve 4.
In the embodiment of the present invention, a first limit step is formed between the limit portion 221 and the rotation portion 222, and a second limit step is formed between the rotation portion 222 and the fixing portion 223. The flexible gasket 24 is sleeved on the rotating part 222 between the first limit step and the shaft sleeve 4, and the flexible gasket 24 can be made of wear-resistant nylon or wear-resistant rubber, so that the limit part 221 is prevented from being worn due to direct contact with the shaft sleeve 4.
A rigid washer 25 is sleeved on the fixing portion 223 between the second limit step and the coupling nut 23, and the rigid washer 25 is made of metal, so as to prevent abrasion caused by direct contact between the coupling nut 23 and the sleeve 4.
As shown in fig. 1, 5 and 6, in some embodiments of the present invention, the cable buckle 32 includes two engaging portions 321 and two semi-cylinders 322, which are engaged with each other, and the two engaging portions 321 are engaged with each other to form a cylinder installation cavity 323, and the two semi-cylinders 322 are engaged with each other to form a cable installation cavity 324. Wherein each engaging portion 321 and each half cylinder 322 are made of nylon so that the wire rope 6 can be fixedly installed in the wire rope installation cavity 324, so that the two half cylinders 322 can be fixedly installed in the cylinder installation cavity 323, and abrasion of the wire rope 6 by each engaging portion 321 and each half cylinder 322 can be prevented. During the assembly, will separate two semicylinder 322 earlier, then fix steel cable 6 between two semicylinder 322, then install two semicylinders 322 after the lock between two block portions 321, then connect two block portions 321 fixedly to the installation of steel cable 6 on steel cable buckle 32 has been realized fixedly.
Specifically, the two engaging portions 321 are detachably connected to each other by the second connector 9. The number of the second connecting members 9 can be set according to the actual use requirement. In the present embodiment, the two engaging portions 321 are connected by the three second connecting members 9, so that stable and reliable connection between the two engaging portions 321 is achieved.
Wherein, according to the actual use requirement, the second connecting piece 9 can adopt a bolt, a screw or a pin. It should be understood that the form of the second connecting member 9 is not limited to the type described above as long as a reliable connection between the two engaging portions 321 can be achieved.
As shown in fig. 1, 2, 7 and 8, in some embodiments of the present invention, the steel cable connecting portion 3 further includes a rotating shaft 33, one end of the rotating shaft 33 is fixedly connected with the hanging ring 31, the other end of the rotating shaft 33 is provided with a limiting boss 34, each of the engaging portions 321 is provided with a limiting groove 3211, two limiting grooves 3211 are mutually buckled to form a limiting cavity adapted to the limiting boss 34, the limiting boss 34 can be clamped in the limiting cavity, and the limiting boss 34 can be rotationally matched with the limiting cavity. That is, by providing the stopper groove 3211 in each of the engaging portions 321, the rotational connection between the rotating shaft 33 and the cable clip 32 can be realized, and the stopper boss 34 is stopped, thereby preventing the stopper boss 34 from coming out of the stopper cavity.
As shown in fig. 2, in some embodiments of the present invention, the other end of the sliding rod 1 is further provided with a limiting end portion 12, the outer diameter of the limiting end portion 12 is smaller than the outer diameter of the sliding rod 1, so as to form a third limiting step between the limiting end portion 12 and the sliding rod 1, a limiting washer 10 is sleeved on the limiting end portion 12, and a positioning pin 11 for positioning the limiting washer 10 is installed on the limiting end portion 12, so that the limiting washer 10 is clamped between the third limiting step and the positioning pin 11. That is, the limit washer 10 is disposed at the other end of the slide bar 1, so that the sliding position of the suspension ring 31 on the slide bar 1 can be limited, and the suspension ring 31 is prevented from being separated from the slide bar 1.
On the other hand, the embodiment of the utility model provides a still provides a rail vehicle, including the steel cable dynamic fixation device of above-mentioned embodiment. Because the railway vehicle is provided with the steel cable dynamic fixing device, the railway vehicle has all the advantages of the steel cable dynamic fixing device, the structure of the railway vehicle is optimized, and the service performance of the railway vehicle is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A dynamic cable fixation device, comprising:
one end of the sliding rod is fixedly provided with a shaft sleeve;
the vehicle body connecting part is used for being fixedly connected with a vehicle body and is rotationally connected with the shaft sleeve;
the steel cable connecting part comprises a lifting ring and a steel cable buckle connected with the lifting ring in a rotating mode, the lifting ring is sleeved on the sliding rod in a sliding mode, and the steel cable buckle is fixedly connected with the steel cable.
2. The dynamic steel cable fixing device as claimed in claim 1, wherein the car body connecting portion comprises a car body connecting plate, a connecting shaft and a connecting nut, one end of the connecting shaft is fixedly connected with the car body connecting plate, the other end of the connecting shaft is provided with a connecting thread adapted to the connecting nut, the other end of the connecting shaft passes through the shaft sleeve and is in threaded connection with the connecting nut, and the connecting shaft is in running fit with the shaft sleeve.
3. The dynamic steel cable fixing device according to claim 2, wherein the connecting shaft comprises a limiting portion, a rotating portion and a fixing portion, which are sequentially arranged, wherein the outer diameter of the limiting portion is larger than that of the rotating portion, and the outer diameter of the rotating portion is larger than that of the fixing portion; the outer diameter of the limiting part is larger than the inner diameter of the shaft sleeve, and the inner diameter of the rotating part is smaller than the inner diameter of the shaft sleeve; the rotating part is matched with the shaft sleeve in a rotating mode, and the fixing part is connected with the connecting nut in a threaded mode.
4. The dynamic cable fixation of claim 3, wherein a first stop step is formed between the stop portion and the rotating portion, and a second stop step is formed between the rotating portion and the fixation portion; the flexible gasket is sleeved on the rotating part between the first limiting step and the shaft sleeve, and the rigid gasket is sleeved on the fixed part between the second limiting step and the connecting nut.
5. The dynamic steel cable fixing device as claimed in claim 2, wherein the car body connecting plate is provided with a first connecting hole, the car body is fixedly connected with a mounting seat, and the mounting seat is provided with a second connecting hole corresponding to the first connecting hole; the vehicle body connecting plate and the mounting seat are fixedly connected through a first connecting piece, and the first connecting piece sequentially penetrates through the corresponding first connecting hole and the second connecting hole.
6. The dynamic cable fixing device according to claim 1, wherein the cable fastener comprises two engaging portions and two semi-cylinders, the engaging portions form a cylindrical cavity, and the engaging portions form a cable cavity; the steel cable is fixedly arranged in the steel cable installation cavity, and the two semi-cylinders are fixedly arranged in the cylinder installation cavity.
7. The dynamic steel cable fixing device as claimed in claim 6, wherein the steel cable connecting portion further comprises a rotating shaft, one end of the rotating shaft is fixedly connected with the hanging ring, the other end of the rotating shaft is provided with a limiting boss, the steel cable buckle is provided with a limiting groove matched with the limiting boss, and the limiting boss is rotatably connected with the limiting groove.
8. The dynamic cable fixation of claim 6, wherein the two engagement portions are removably connected by a second connector.
9. The dynamic steel cable fixing device as claimed in any one of claims 1 to 8, wherein the other end of the sliding rod is provided with a limiting end, the outer diameter of the limiting end is smaller than the outer diameter of the sliding rod, a third limiting step is formed between the limiting end and the sliding rod, a limiting washer is sleeved on the limiting end, a positioning pin for positioning the limiting washer is mounted on the limiting end, and the limiting washer is clamped between the third limiting step and the positioning pin.
10. A rail vehicle, comprising: the wireline dynamic fixation device of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120010630.2U CN214689518U (en) | 2021-01-04 | 2021-01-04 | Steel cable dynamic fixing device and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120010630.2U CN214689518U (en) | 2021-01-04 | 2021-01-04 | Steel cable dynamic fixing device and railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214689518U true CN214689518U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120010630.2U Active CN214689518U (en) | 2021-01-04 | 2021-01-04 | Steel cable dynamic fixing device and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214689518U (en) |
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2021
- 2021-01-04 CN CN202120010630.2U patent/CN214689518U/en active Active
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