CN216833646U - Stop device of wagon bottom opening door transmission mechanism - Google Patents
Stop device of wagon bottom opening door transmission mechanism Download PDFInfo
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- CN216833646U CN216833646U CN202123359212.3U CN202123359212U CN216833646U CN 216833646 U CN216833646 U CN 216833646U CN 202123359212 U CN202123359212 U CN 202123359212U CN 216833646 U CN216833646 U CN 216833646U
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Abstract
The utility model relates to a railway freight car bottom door drive mechanism's stop device, including locating the spacing fender on the connecting rod, spacing face and the last lever contact of spacing fender are spacing to it, and under the effect of spacing fender, all be in vertical state when door one, door two open to the biggest open position. The utility model discloses an add spacing fender, the door of having solved the hopper car that opens the door at the bottom of the railway transportation opens the safety problem that transfinites and cause from this, guarantees the normal clear of railway freight.
Description
Technical Field
The utility model relates to a railway vehicle technical field especially relates to a railway freight car bottom door drive mechanism's stop device.
Background
The existing railway transportation bottom-opening door hopper wagon (railway wagon for short) has the defects that a bottom-opening door transmission mechanism has no limiting device, and the following two potential safety hazards exist in the unloading process: firstly, after the vehicle doors at two ends are opened outwards to a vertical state, if the vehicle doors are opened outwards again, the vehicle doors are opened at an excessive angle or opened to exceed the limit, the vehicle doors are difficult to return and even cannot be closed; and other facilities on the unloading site are easy to collide and damage when the door is opened at an over-angle position, and a steel structure vehicle body of the truck is also damaged, so that the maintenance cost of the truck and the facilities on the unloading site is increased, and the normal transportation and the safety of the truck are seriously influenced.
Disclosure of Invention
The utility model provides a railway freight car bottom-opening door drive mechanism's stop device through addding spacing fender, has solved the door of railway transportation bottom-opening door hopper car and has opened the safety problem that transfinites and cause from this, guarantees the normal clear of railway freight.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a stop device of a bottom door opening transmission mechanism of a railway wagon is characterized in that the bottom door opening transmission mechanism consists of a bidirectional acting air cylinder, an upper lever, a connecting rod, a lower lever, a long pull rod and a short pull rod; a first vehicle door and a second vehicle door are respectively arranged at two ends of the bottom of the railway wagon, the middle part of the first vehicle door is hinged with one end of a long pull rod, and the other end of the long pull rod is hinged with one end of a lower lever; the middle part of the second vehicle door is hinged with one end of a short pull rod, and the other end of the short pull rod is hinged with the other end of the lower lever and one end of the connecting rod; the other end of the connecting rod is hinged with one end of the upper lever, and the other end of the upper lever is hinged with a piston push rod of the double-acting air cylinder; the first car door and the second car door can rotate around corresponding top car door shafts under the driving of the bidirectional acting air cylinders and rotate inwards until the first car door and the second car door are in a closed state when contacting with a car body bottom plate at the corresponding end of the railway wagon; the limiting device comprises a limiting block arranged on the connecting rod, a limiting surface of the limiting block is in contact with the upper lever and limits the upper lever, and the first vehicle door and the second vehicle door are both in a vertical state when being opened to the maximum opening position under the action of the limiting block.
The limiting block is arranged on one side, close to the upper lever, of the upper portion of the connecting rod.
The limiting block is made of a steel plate and is welded and fixed with the connecting rod.
The limiting block is an isosceles triangle steel plate, the bottom surface of the isosceles triangle steel plate is fixedly connected with the connecting rod, the upper side surface of the isosceles triangle steel plate is a limiting surface, the inclination angle is alpha, and the alpha angle is equal to the inclination angle of the upper lever when the first vehicle door and the second vehicle door are in a vertical state.
The inclination angle alpha is 38-42 degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
1) by additionally arranging the limit stop, the problems of door opening overrun and safety caused by the door opening overrun of the railway transportation bottom-opening hopper car are solved, and normal railway cargo transportation is ensured;
2) prevent that the door from opening the damage of transfiniting to unloading place facility and freight train steel construction automobile body, reduce the maintenance cost.
Drawings
Fig. 1 is a schematic structural diagram (door open state) of a limiting device of a bottom-opening door transmission mechanism of a railway wagon.
Fig. 2 is a schematic structural diagram ii (door closed state) of the limiting device of the bottom-opening door transmission mechanism of the railway wagon of the present invention.
Fig. 3 is a schematic diagram of the limit relationship between the connecting rod, the limit stop and the upper lever according to the embodiment of the present invention.
In the figure: 1. first car door 2, long pull rod 3, connecting rod 4, limit stop 5, upper lever 6, piston push rod 7, double-acting air cylinder 8, short pull rod 9, lower lever 10, second car door 11 and car body bottom plate
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and 2, the limiting device of the bottom-opening door transmission mechanism of the railway wagon of the present invention comprises a bidirectional air cylinder 7, an upper lever 5, a connecting rod 3, a lower lever 9, a long pull rod 2, and a short pull rod 8; a first vehicle door 1 and a second vehicle door 10 are respectively arranged at two ends of the bottom of the railway wagon, the middle part of the first vehicle door 1 is hinged with one end of a long pull rod 2, and the other end of the long pull rod 2 is hinged with one end of a lower lever 9; the middle part of the second vehicle door 10 is hinged with one end of a short pull rod 8, and the other end of the short pull rod 8 is hinged with the other end of the lower lever 9 and one end of the connecting rod 3; the other end of the connecting rod 3 is hinged with one end of an upper lever 5, and the other end of the upper lever 5 is hinged with a piston push rod 6 of a double-acting air cylinder 7; under the drive of the double-acting air reservoir 7, the first car door 1 and the second car door 10 can rotate around corresponding top car door shafts and rotate inwards until the first car door 1 and the second car door 10 are in a closed state when contacting with a car body bottom plate 11 at the corresponding end of a railway wagon; as shown in fig. 3, the limiting device includes a limiting stopper 4 disposed on the connecting rod 3, a limiting surface of the limiting stopper 4 contacts with the upper lever 5 and limits the upper lever, and the first door 1 and the second door 10 are both in a vertical state when opened to the maximum opening position under the action of the limiting stopper 4.
The limiting stopper 4 is arranged on one side of the upper part of the connecting rod 3 close to the upper lever 5.
The limiting block 4 is made of a steel plate and is welded and fixed with the connecting rod 3.
The limiting block 4 is an isosceles triangle steel plate, the bottom surface of the isosceles triangle steel plate is fixedly connected with the connecting rod 3, the upper side surface of the isosceles triangle steel plate is a limiting surface, the inclination angle is alpha, and the alpha angle is equal to the inclination angle of the upper lever 5 when the first vehicle door 1 and the second vehicle door 10 are in a vertical state.
The inclination angle alpha is 38-42 degrees.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples.
[ examples ] A method for producing a compound
In the embodiment, a limiting device is arranged in a bottom-opening door transmission mechanism of the railway transportation bottom-opening door hopper car, namely a limiting stopper is additionally arranged.
As shown in fig. 1 and 2, the bottom-opening transmission mechanism of the railway transportation bottom-opening hopper car has the action principle that a piston push rod 6 of a double-acting air cylinder 7 synchronously drives a long pull rod 2 and a short pull rod 8 to move through an upper lever 5, a lower lever 9 and a connecting rod 3, so that a first car door 1 and a second car door 10 at two ends of the bottom of the railway transportation bottom-opening hopper car are synchronously opened or closed, the first car door 1 and the second car door 10 respectively rotate inwards to be in contact with a car body bottom plate 11 when the first car door 1 and the second car door 10 respectively rotate around the axial outer side of the top car door when the first car door 1 and the second car door 10 are opened.
As shown in fig. 3, in the present embodiment, the limit stopper 4 is additionally installed on the connecting rod 3, and in the process of opening the first vehicle door 1 and the second vehicle door 10, the limit stopper 4 is matched with the upper lever 5 for limiting, so as to prevent the first vehicle door 1 and the second vehicle door 10 from being opened beyond an angle.
In the embodiment, the limit stop 4 is an isosceles triangle steel plate with the waist length of 160mm, when the included angle between the upper lever 5 and the horizontal plane is 40 degrees, the first vehicle door 1 and the second vehicle door 10 are both in a vertical state, namely a set maximum opening state, the limit stop 4 is welded on the connecting rod 3, and the side surface of the upper part of the limit stop 4 is in contact with the bottom surface of the upper rod 5; the top end of the limit stop 4 is 126mm away from the hinge axis of the connecting rod 3 and the upper lever 5. Other connecting dimensions of the connecting rod 3, the upper lever 5 and the lower lever 9 are shown in fig. 3.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
Claims (5)
1. A stop device of a bottom door opening transmission mechanism of a railway freight car, the bottom door opening transmission mechanism consists of a bidirectional acting air cylinder, an upper lever, a connecting rod, a lower lever, a long pull rod and a short pull rod; a first vehicle door and a second vehicle door are respectively arranged at two ends of the bottom of the railway wagon, the middle part of the first vehicle door is hinged with one end of a long pull rod, and the other end of the long pull rod is hinged with one end of a lower lever; the middle part of the second vehicle door is hinged with one end of a short pull rod, and the other end of the short pull rod is hinged with the other end of the lower lever and one end of the connecting rod; the other end of the connecting rod is hinged with one end of the upper lever, and the other end of the upper lever is hinged with a piston push rod of the double-acting air cylinder; the first car door and the second car door can rotate around corresponding top car door shafts under the driving of the bidirectional acting air cylinders and rotate inwards until the first car door and the second car door are in a closed state when contacting with a car body bottom plate at the corresponding end of the railway wagon; the automobile door limiting device is characterized in that the limiting device comprises a limiting stopper arranged on the connecting rod, a limiting surface of the limiting stopper is in contact with the upper lever and limits the upper lever, and the first automobile door and the second automobile door are in a vertical state when being opened to the maximum opening position under the action of the limiting stopper.
2. The limit device of the transmission mechanism for the bottom opening door of the railway wagon as claimed in claim 1, wherein the limit stop is arranged at one side of the upper part of the connecting rod, which is close to the upper lever.
3. The limit device of the bottom opening door transmission mechanism of the railway wagon as claimed in claim 1, wherein the limit stop is made of a steel plate and is welded and fixed with the connecting rod.
4. The limit device of the bottom opening transmission mechanism of the railway wagon as claimed in claim 1, wherein the limit stop is an isosceles triangle steel plate, the bottom surface of the isosceles triangle steel plate is fixedly connected with the connecting rod, the upper side surface of the isosceles triangle steel plate is a limit surface, the inclination angle is α, and the α angle is equal to the inclination angle of the upper lever when the first car door and the second car door are in the vertical state.
5. The limit device of the bottom door transmission mechanism of the railway wagon as claimed in claim 4, wherein the inclination angle α is 38 ° to 42 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123359212.3U CN216833646U (en) | 2021-12-28 | 2021-12-28 | Stop device of wagon bottom opening door transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123359212.3U CN216833646U (en) | 2021-12-28 | 2021-12-28 | Stop device of wagon bottom opening door transmission mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN216833646U true CN216833646U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123359212.3U Active CN216833646U (en) | 2021-12-28 | 2021-12-28 | Stop device of wagon bottom opening door transmission mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811935A (en) * | 2023-08-30 | 2023-09-29 | 四川省冶金设计研究院 | Ore conveying device |
-
2021
- 2021-12-28 CN CN202123359212.3U patent/CN216833646U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811935A (en) * | 2023-08-30 | 2023-09-29 | 四川省冶金设计研究院 | Ore conveying device |
| CN116811935B (en) * | 2023-08-30 | 2023-11-17 | 四川省冶金设计研究院 | Ore conveying device |
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