CN109532900B - Locking device of lower side door of freight gondola car and freight gondola car - Google Patents
Locking device of lower side door of freight gondola car and freight gondola car Download PDFInfo
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- CN109532900B CN109532900B CN201811355639.6A CN201811355639A CN109532900B CN 109532900 B CN109532900 B CN 109532900B CN 201811355639 A CN201811355639 A CN 201811355639A CN 109532900 B CN109532900 B CN 109532900B
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- lower side
- side door
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- freight
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/16—Closure elements for discharge openings
- B61D7/24—Opening or closing means
- B61D7/26—Opening or closing means mechanical
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Abstract
The embodiment of the invention provides a locking device of a lower side door of a freight gondola car and the freight gondola car, wherein the locking device comprises a pressing component and a connecting component, the pressing component is connected with a side wall body of the freight gondola car and used for abutting against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component abuts against the lower side door and the pressing component is in a state of pressing the lower side door. According to the locking device for the lower side door of the freight gondola car and the freight gondola car provided by the embodiment of the invention, the connecting assembly is arranged on the side wall body of the freight gondola car, the pressing assembly is abutted against the lower side door, the connecting assembly is connected with the pressing assembly, under the action of the connecting assembly, the pretightening force is generated between the pressing assembly and the lower side door, and the pretightening force between the pressing assembly and the lower side door can offset the impact force of goods, so that the lower side door is prevented from deforming, the problem of leakage of the lower side door of the freight gondola car is avoided, and the sealing property of the lower side door of the freight gondola.
Description
Technical Field
The invention relates to the technical field of freight trains, in particular to a locking device of a lower side door of a freight open wagon and the freight open wagon.
Background
With the development of railway transportation industry, due to the characteristics of high transportation speed and large transportation volume of railway transportation, freight trains have become the main means of land transportation, and freight open trucks have an important position in the transportation of bulk granular goods.
Freight gondola cars are usually provided with a passage for loading and unloading goods on the underside of the gondola car. In the prior art, after the open wagon is loaded with goods, a lower side door made of steel is generally used for closing a channel, and the lower side door is partially overlapped with a side wall body to block and prevent the goods from leaking.
However, during transportation, due to the shaking of the freight open wagon, the goods are easy to collide with the lower side door, so that the lower side door is deformed, the gap between the lower side door and the side wall plate is enlarged, and the problem that the bulk granular goods in the open wagon are easy to leak, so that the goods are lost is easily caused.
Disclosure of Invention
The embodiment of the invention provides a locking device for a lower side door of a freight open wagon and the freight open wagon, and solves the problem that bulk granular goods in a long wagon are easy to leak due to the fact that the goods impact the lower side door in the transportation process of the freight open wagon in the prior art.
In a first aspect, an embodiment of the invention provides a locking device for a lower side door of a freight gondola car, which comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for abutting against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component, so that the pressing component abuts against the lower side door and is in a state of pressing the lower side door.
As an optional implementation manner, in the locking device for the lower side door of the freight gondola car provided by the embodiment of the invention, the pressing component comprises a fixed seat and an elastic pressing rod, one end of the elastic pressing rod is connected with the fixed seat, and the connecting component is connected with the elastic pressing rod.
As an alternative implementation manner, in the locking device for the lower side door of the freight gondola car provided by the embodiment of the present invention, the pressing component further includes a pressing component; the fixed seat is positioned on the side wall body, and the elastic pressure rod is hinged with the fixed seat; the pressing piece is connected with the elastic pressing rod, the pressing piece symmetrically extends along two sides of the width direction of the elastic pressing rod, and the pressing piece is used for being abutted against the lower side door.
As an alternative implementation manner, in the locking device for the lower side door of the freight gondola provided by the embodiment of the invention, the fixing seat is connected with the lower side door.
As an alternative implementation manner, in the locking device for the lower side door of the freight gondola provided by the embodiment of the invention, the elastic pressing rod is hinged with the fixed seat.
As an optional implementation manner, in the locking device for the lower side door of the freight gondola car provided by the embodiment of the invention, the connecting assembly includes a connecting rod and a connecting member, one end of the connecting rod is connected to the side wall body, the other end of the connecting rod is a free end, the free end of the connecting rod penetrates through the pressing assembly, and the connecting member is connected to the connecting rod to lock the pressing assembly and the side wall body.
As an optional implementation manner, in the locking device for the lower side door of the freight gondola car provided by the embodiment of the invention, the connecting assembly further comprises a connecting seat, the connecting seat is connected with the side wall body, and one end of the connecting rod is connected with the connecting seat.
As an optional implementation manner, in the locking device for the lower side door of the freight gondola car provided by the embodiment of the invention, the connecting seat and the pressing component are both provided with a locking hole, the locking hole comprises a through part and a locking part communicated with the through part, and the width of the through part is greater than that of the locking part;
the connecting rod is provided with a connecting end and a rod body, and the diameter of the connecting end is larger than that of the rod body; the connecting end penetrates through the passing part and moves to the locking part, so that the connecting section is abutted against one side of the locking part on the connecting seat, and the connecting piece is abutted against the other side of the locking part on the pressing assembly.
As an alternative implementation manner, in the locking device for the lower side door of the freight gondola provided by the embodiment of the invention, the connecting rod is hinged to the connecting seat.
In a second aspect, the embodiment of the invention provides a freight gondola, which comprises a locking device of a lower side door of the freight gondola provided in the embodiment of the first aspect of the invention.
The locking device of the lower side door of the freight gondola car comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for abutting against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component abuts against the side wall body and is in a state of pressing the side wall body. The connecting assembly is arranged on the side wall body of the freight open wagon, the pressing assembly is abutted against the lower side door, and the connecting assembly is connected with the pressing assembly, so that under the action of the connecting assembly, pretightening force is generated between the pressing assembly and the lower side door, the lower side door is tightly pressed on the side wall body of the freight open wagon, and when collision occurs between goods and the lower side door of the freight open wagon in the transportation of the freight open wagon, the pretightening force between the pressing assembly and the lower side door can offset the impact force of the goods, so that the lower side door is prevented from deforming, and the gap between the lower side door and the side wall body is increased; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that 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 these drawings without creative efforts.
FIG. 1 is a schematic view of a locking device for a lower side door of a truck according to a first exemplary embodiment of the present invention in cooperation with the lower side door of the truck;
FIG. 2 is a bottom view of FIG. 1 of the present invention;
FIG. 3 is a schematic view showing the overall structure of a locking device of a lower side door of a freight gondola in accordance with a first exemplary embodiment of the present invention;
FIG. 4 is a top view of FIG. 3 in accordance with the present invention;
FIG. 5 is a top view of the connecting seat in the locking device of the lower side door of the freight gondola in accordance with the first exemplary embodiment of the present invention;
FIG. 6 is a bottom plan view of a locking device for a lower side door of a truck having a cargo truck in cooperation with the lower side door in accordance with a second exemplary embodiment of the present invention;
FIG. 7 is a schematic structural view of a locking device of a lower side door of a freight gondola in accordance with a second exemplary embodiment of the present invention;
FIG. 8 is a top view of the present invention of FIG. 7;
FIG. 9 is a bottom plan view of a locking device for a lower side door of a truck bed illustrating the engagement of the locking device with the lower side door in accordance with a third exemplary embodiment of the present invention;
fig. 10 is a schematic structural view of a locking device of a lower side door of a freight gondola in accordance with a third exemplary embodiment of the present invention.
Reference numerals:
10-a locking device;
110-a press-fit assembly;
111-a fixed seat; 112-an elastic pressure bar; 113-a press part;
120-a connecting assembly;
121-connecting rod;
121 a-rod body; 121 b-a connection end;
122-a connector;
123-connecting seat;
123 a-a passage; 123 b-a locking portion;
20-lower side door;
30-side wall.
With the above figures, certain embodiments of the invention have been illustrated and described in more detail below. The drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "in communication with" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection via an intermediary agent, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "one side", "the other side", "one end", "the other end", "up", "left", "right", "down", and the like are used in the orientations and positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and 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, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description herein, references to the terms "embodiment," "an exemplary embodiment," "an example," "particular" or "shown," 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 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.
Example one
Fig. 1 is a schematic view showing a locking device of a lower side door of a truck according to a first exemplary embodiment of the present invention, which is engaged with the lower side door of the truck. Fig. 2 is a bottom view of fig. 1 of the present invention. Fig. 3 is a schematic view showing the overall structure of a locking device of a lower side door of a freight gondola according to a first exemplary embodiment of the present invention. Fig. 4 is a top view of fig. 3 of the present invention. Fig. 5 is a top view of a connecting seat in a locking device of a lower side door of a freight gondola according to a first exemplary embodiment of the present invention.
Referring to fig. 1 to 5, a locking device 10 for a bottom side door of a truck according to a first exemplary embodiment of the present invention includes a pressing component 110 and a connecting component 120, the pressing component 110 is connected to a side wall 30 of the truck, the pressing component 110 is configured to abut against the bottom side door 20, the connecting component 120 is disposed on the side wall 30, and the connecting component 120 is connected to the pressing component 110, so that the pressing component 110 abuts against the bottom side door 20 and the pressing component 110 is in a state of pressing the bottom side door 20.
The locking device of the lower side door of the freight gondola car comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for being abutted against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component is abutted against the side wall body and is in a state of pressing the side wall body. The connecting assembly is arranged on the side wall body of the freight open wagon, the pressing assembly is abutted against the lower side door, and the connecting assembly is connected with the pressing assembly, so that under the action of the connecting assembly, pretightening force is generated between the pressing assembly and the lower side door, the lower side door is tightly pressed on the side wall body of the freight open wagon, and when collision occurs between goods and the lower side door of the freight open wagon in the transportation of the freight open wagon, the pretightening force between the pressing assembly and the lower side door can offset the impact force of the goods, so that the lower side door is prevented from deforming, and the gap between the lower side door and the side wall body is increased; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Alternatively, referring to fig. 1 to 4, in the locking device 10 for the bottom side door of the freight gondola according to the first exemplary embodiment of the present invention, the pressing assembly 110 includes a fixed seat 111 and an elastic pressing rod 112, one end of the elastic pressing rod 112 is connected to the fixed seat 111, and the connecting assembly 120 is connected to the elastic pressing rod 112.
Specifically, in this embodiment, the elastic pressing rod 112 may be an elastic steel plate, as shown in fig. 1 and fig. 3, in order to enable the elastic pressing rod 112 to better provide a pre-tightening force for the lower door 20, optionally, the connecting assembly 120 may be disposed between the fixing seat 111 and the lower door 20, and the elastic pressing rod 112 crosses the connecting assembly 120, so that after the connecting assembly 120 is connected to the elastic pressing rod 112, the connecting assembly 120 can provide a pressure directed to the side wall 30 for the elastic pressing rod 112, so that the pre-tightening force is generated between one end of the elastic pressing rod 112 pressed on the lower door 20 and the lower door 20.
In this embodiment, through the side wall body at the freight transportation gondola car set up coupling assembling, pressing components and lower side door butt, coupling assembling is connected with pressing components to set pressing components into the mode including fixing base and elasticity depression bar, the connecting piece can provide the pressure of directional side wall body for the elasticity depression bar after being connected with the elasticity depression bar. So that the elastic pressure rod is pressed between one end of the lower side door and the lower side door to generate pretightening force. Therefore, when the goods collide with the lower side door of the freight open wagon during the transportation of the freight open wagon, the pre-tightening force between the pressing component and the lower side door can offset the impact force of the goods, so that the deformation of the lower side door is avoided, and the increase of the gap between the lower side door and the side wall body is avoided; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Further, referring to fig. 1 to 4, in the locking device 10 for the bottom side door of the freight gondola according to the first exemplary embodiment of the present invention, the pressing assembly 110 further includes a pressing member 113; the fixed seat 111 is positioned on the side wall 30, and the elastic pressure rod 112 is hinged with the fixed seat 111; the pressing element 113 is connected to the elastic pressing rod 112, the pressing element 113 extends symmetrically along two sides of the elastic pressing rod 112 in the width direction, and the pressing element 113 is used for abutting against the lower side door.
Specifically, referring to fig. 1 and 2, in order to provide better sealing performance between the lower side door 20 and the side wall body 30 of the freight gondola, optionally, a partially overlapped area is provided between the lower side door 20 and the side wall body 30, and the partially overlapped area is located at the edge of the lower side door 20. Optionally, the pressing member 113 is pressed on a partial region where the lower side door 20 overlaps the side wall 30, so that the lower side door 20 is hermetically connected to the side wall 30. Of course, in this embodiment, the pressing member 113 may also be pressed in other areas of the lower side door 20, so as to make the lower side door 20 and the side wall 30 be connected in a sealing manner. Alternatively, as shown in fig. 2, in the present embodiment, the region of the lower side door 20 not overlapping with the side wall 30 has a protruding portion protruding toward the side wall 30, and by providing the protruding portion, the strength of the lower side door 20 can be increased, and the impact resistance of the lower side door 20 can be improved. Specifically, referring to fig. 1 and 4, in the present embodiment, the pressing members 113 extend symmetrically along both sides of the direction of the elastic pressing rod 112, so that the area of the pressing members 113 that can be pressed on the lower side door 20 is increased, the pressing area of the pressing members 113 on the lower side door 20 is increased, and the sealing performance between the lower side door 20 and the side wall 30 is improved.
In the embodiment, a partially overlapped area is arranged between the lower side door and the side wall body, and the pressing piece is pressed on the overlapped area, so that the airtightness between the lower side door and the side wall body is improved, and the problem that the gap between the lower side door and the side wall body is increased due to deformation of the lower side door under the impact of goods is avoided; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Further, referring to fig. 3, the locking device 10 of the lower side door of the freight gondola of the first exemplary embodiment of the present invention is shown in which the elastic pressing rod 112 is hinged to the fixing base 111.
Specifically, referring to fig. 3, in this embodiment, the fixing seat 111 may be a fixing seat having a pin hole, one end of the elastic pressure bar 112 connected to the fixing seat 111 may also be provided with a pin hole, and the elastic pressure bar 112 is hinged to the fixing seat 111 through a pin shaft. It should be noted that, in this embodiment, fig. 3 illustrates that the pin is disposed parallel to the side wall, and it is understood that the pin may be disposed perpendicular to the side wall. For example, the elastic pressing rod is rotated in a direction parallel to the side wall body.
In this embodiment, set the elasticity depression bar to be connected with fixing base articulated mode, when the side door under needs are opened or are closed, can conveniently open and close of side door down, improved the convenience that the side door opened and closed down.
Further, referring to fig. 3, in the locking device 10 for the bottom side door of the freight gondola shown in the first exemplary embodiment of the present invention, the connecting assembly 120 includes a connecting rod 121 and a connecting member 122, one end of the connecting rod 121 is connected to the side wall 30, the other end of the connecting rod 121 is a free end, the free end of the connecting rod 121 passes through the press-fit assembly 110, and the connecting member 122 is connected to the connecting rod 121 to lock the press-fit assembly 110 and the side wall 30.
Specifically, in this embodiment, the connecting rod 122 may be a threaded rod, and the connecting rod 122 may be fixedly connected to the side wall 30, or may be connected to the side wall 30 in a threaded manner. Alternatively, in this embodiment, the connecting member 122 may be a hexagon nut screwed with the connecting rod 121, the connecting member 122 may also be a wing nut screwed with the connecting rod 121, and the connecting member 122 may also be a disk nut screwed with the connecting rod 122. In the present embodiment, fig. 3 is only an example of a hexagonal nut, and the specific form of the connecting member 122 is not limited. Specifically, referring to fig. 3, in the present embodiment, the free end of the connecting rod 121 passes through the elastic pressing rod 112, and the connecting member 122 is located on the side of the elastic pressing rod 112 away from the side wall 30. Thus, when the connecting member 122 abuts against the elastic pressing rod 112, the connecting member 122 can provide a pre-tightening force to the elastic pressing rod 112 and the side wall 30, so that the elastic pressing rod 112 presses the lower side door 20.
In this embodiment, through setting up the connecting rod on the side wall body to the free end of connecting rod passes the elasticity depression bar, and the connecting piece is located the one side that the side wall body was kept away from to the elasticity depression bar, so, is on the elasticity depression bar at the connecting piece butt, and the connecting piece can provide the pretightning force of directional side wall body to the elasticity depression bar, so that the side door under the elasticity depression bar compresses tightly. The airtightness between the lower side door and the side wall body is improved, and the problem that the gap between the lower side door and the side wall body is increased due to the deformation of the lower side door under the impact of goods is solved; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Further, referring to fig. 3 to 5, in the locking device 10 for the lower side door of the freight gondola according to the first exemplary embodiment of the present invention, the connecting assembly 120 further includes a connecting seat 123, the connecting seat 123 is connected to the side wall 30, and one end of the connecting rod 121 is connected to the connecting seat 123.
Optionally, referring to fig. 3, in this embodiment, the connection seat 123 may be a connection seat in an inverted U-shaped structure, the connection seat 123 may be fixedly disposed on the side wall 30, and the connection seat 123 may also be detachably connected to the side wall 30, which is not specifically limited in the embodiment of the present invention. Alternatively, in this embodiment, the connecting rod 121 and the connecting seat 123 may be welded together. Optionally, in this embodiment, a threaded hole may also be disposed on the connection seat 123, and the connection rod 121 is connected to the connection seat 123 through the threaded hole.
Further, referring to fig. 3 to 5, in the locking device 10 for the lower side door of the freight gondola according to the first exemplary embodiment of the present invention, the connecting seat 123 and the pressing component 110 both have a locking hole, the locking hole includes a through portion 123a and a locking portion 123b communicated with the through portion, and the width of the through portion 123a is greater than that of the locking portion 123 b;
the connecting rod 121 has a connecting end 121b and a rod body 121a, and the diameter of the connecting end 121b is larger than that of the rod body 121 a; the connecting end 121b passes through the passing portion 123a and moves to the locking portion 123b, so that the connecting end 121b abuts against one side of the locking portion 123b on the connecting seat 123, and the connecting member 122 abuts against the other side of the locking portion 123b on the pressing assembly 110.
In this embodiment, all set up the lockhole on connecting seat and elasticity depression bar to the lockhole sets to have through portion and locking portion, can make things convenient for the installation and the dismantlement of connecting rod, has improved the locking efficiency of locking device side door under to freight train.
Alternatively, based on the foregoing embodiment, referring to fig. 3, in the locking device 10 for the lower side door of the cargo gondola of the first exemplary embodiment of the present invention, the pressing member 113 has an inverted U-shaped structure, and specifically, the U-shaped opening of the pressing member 113 is disposed toward the lower side door 20. Alternatively, in this embodiment, the pressing member 113 may also be a pressing member having an inverted V-shaped structure. In the present embodiment, fig. 3 only illustrates the pressing member 113 as an inverted U-shaped structure, and the specific structure of the pressing member 113 is not limited.
In the embodiment, the pressing piece is arranged to be of an inverted U-shaped structure, the U-shaped opening faces the direction of the lower side door, when the pressing piece presses the lower side door, the U-shaped opening structure can provide inward approaching tension force, the pre-tightening force of the elastic pressing rod for pressing the lower side door is increased, the tightness between the lower side door and the side wall body is improved, and the problem that the gap between the lower side door and the side wall body is increased due to deformation of the lower side door under the impact of goods is solved; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Optionally, based on the foregoing embodiment, referring to fig. 1, a plurality of locking devices 10 may be provided for the locking device 10 of the bottom side door of the freight gondola car according to the first exemplary embodiment of the present invention, and optionally, referring to fig. 1, three locking devices 10 may be provided, specifically, three locking devices 10 may be respectively provided at the left edge, the right edge and the bottom edge of the bottom side door 20, so as to lock the bottom side door 20 from multiple directions, improve the sealing performance between the bottom side door and the side wall body, and avoid the problem that the bottom side door deforms under the impact of goods, so that the gap between the bottom side door and the side wall body increases; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
The locking device of the lower side door of the freight gondola car comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for being abutted against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component is abutted against the side wall body and is in a state of pressing the side wall body. The connecting assembly is arranged on the side wall body of the freight open wagon, the pressing assembly is abutted against the lower side door, and the connecting assembly is connected with the pressing assembly, so that under the action of the connecting assembly, pretightening force is generated between the pressing assembly and the lower side door, the lower side door is tightly pressed on the side wall body of the freight open wagon, and when collision occurs between goods and the lower side door of the freight open wagon in the transportation of the freight open wagon, the pretightening force between the pressing assembly and the lower side door can offset the impact force of the goods, so that the lower side door is prevented from deforming, and the gap between the lower side door and the side wall body is increased; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Example two
FIG. 6 is a bottom view of a locking device of a lower side door of a truck illustrating the cooperation of the locking device with the lower side door according to a second exemplary embodiment of the present invention. Fig. 7 is a schematic structural view of a locking device of a lower side door of a freight gondola according to a second exemplary embodiment of the present invention. Fig. 8 is a top view of fig. 7 in accordance with the present invention.
Referring to fig. 6 to 8, the locking device 10 for the lower side door of the truck according to the first exemplary embodiment of the present invention is shown, and the fixing seat 111 of the locking device 10 for the lower side door of the truck according to the second exemplary embodiment of the present invention is connected to the lower side door 20.
Specifically, in the present embodiment, the fixing base 111 may be connected to a region where the lower side door 20 and the side wall 30 overlap. Alternatively, the fixing seat 111 may be detachably connected to the lower side door 20, and the fixing seat 111 may also be fixedly connected to the lower side door 20.
In the embodiment, the fixed seat is directly connected with the lower side door, the elastic pressure rod is connected with the fixed seat, and when the connecting assembly is connected with the elastic pressure rod, the elastic pressure rod directly provides pre-tightening force for the lower side door through the fixed seat, so that the tightness between the lower side door and the side wall body is improved, and the problem that the gap between the lower side door and the side wall body is increased due to deformation of the lower side door under the impact of goods is avoided; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Further, referring to fig. 6 and 7, in the locking device 10 for the lower side door of the freight gondola according to the second exemplary embodiment of the present invention, the connecting rod 121 is hinged to the connecting seat 123.
Specifically, referring to fig. 8, in the present embodiment, a strip-shaped notch is formed on the elastic pressing rod 112, the width of the strip-shaped notch is greater than or equal to the diameter of the connecting rod 121, and the width of the strip-shaped notch is smaller than the diameter of the connecting piece 122.
The locking device of the lower side door of the freight gondola car comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for being abutted against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component is abutted against the side wall body and is in a state of pressing the side wall body. The connecting assembly is arranged on the side wall body of the freight open wagon, the pressing assembly is abutted against the lower side door, and the connecting assembly is connected with the pressing assembly, so that under the action of the connecting assembly, pretightening force is generated between the pressing assembly and the lower side door, the lower side door is tightly pressed on the side wall body of the freight open wagon, and when collision occurs between goods and the lower side door of the freight open wagon in the transportation of the freight open wagon, the pretightening force between the pressing assembly and the lower side door can offset the impact force of the goods, so that the lower side door is prevented from deforming, and the gap between the lower side door and the side wall body is increased; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
EXAMPLE III
FIG. 9 is a bottom view of a locking device of a bottom side door of a truck for a truck according to a third exemplary embodiment of the present invention in cooperation with a bottom side door. Fig. 10 is a schematic structural view of a locking device of a lower side door of a freight gondola in accordance with a third exemplary embodiment of the present invention.
Referring to fig. 9 and 10, the locking device 10 for the bottom side door of the truck according to the second exemplary embodiment of the present invention is shown, and in the locking device 10 for the bottom side door of the truck according to the third exemplary embodiment of the present invention, a fixing seat 111 is connected to a bottom side door 20; the elastic pressure lever 112 is hinged with the fixed seat 111.
Specifically, in the present embodiment, the fixing base 111 may be connected to a region where the lower side door 20 and the side wall 30 overlap. Alternatively, the fixing seat 111 may be detachably connected to the lower side door 20, and the fixing seat 111 may also be fixedly connected to the lower side door 20. Alternatively, the elastic pressing rod 112 may be rotated on a plane perpendicular to the lower door 20, or may be rotated on a plane parallel to the lower door 20. In the present embodiment, the elastic pressing bar 112 is shown as an example to rotate on a plane perpendicular to the lower door 20.
The locking device of the lower side door of the freight gondola car comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for being abutted against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component is abutted against the side wall body and is in a state of pressing the side wall body. The connecting assembly is arranged on the side wall body of the freight open wagon, the pressing assembly is abutted against the lower side door, and the connecting assembly is connected with the pressing assembly, so that under the action of the connecting assembly, pretightening force is generated between the pressing assembly and the lower side door, the lower side door is tightly pressed on the side wall body of the freight open wagon, and when collision occurs between goods and the lower side door of the freight open wagon in the transportation of the freight open wagon, the pretightening force between the pressing assembly and the lower side door can offset the impact force of the goods, so that the lower side door is prevented from deforming, and the gap between the lower side door and the side wall body is increased; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon is improved.
Example four
The fourth embodiment of the invention provides a freight gondola, which comprises the locking device 10 of the lower side door of the freight gondola provided by any one of the first to third embodiments of the invention.
The locking device of the lower side door of the freight gondola car comprises a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and used for abutting against the lower side door, the connecting component is arranged on the side wall body, and the connecting component is connected with the pressing component so that the pressing component abuts against the side wall body and is in a state of pressing the side wall body. The connecting assembly is arranged on the side wall body of the freight open wagon, the pressing assembly is abutted against the lower side door, and the connecting assembly is connected with the pressing assembly, so that under the action of the connecting assembly, pretightening force is generated between the pressing assembly and the lower side door, the lower side door is tightly pressed on the side wall body of the freight open wagon, and when collision occurs between goods and the lower side door of the freight open wagon in the transportation of the freight open wagon, the pretightening force between the pressing assembly and the lower side door can offset the impact force of the goods, so that the lower side door is prevented from deforming, and the gap between the lower side door and the side wall body is increased; the problem that the lower side door of the freight open wagon leaks is avoided, and the sealing performance of the lower side door of the freight open wagon 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 the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The locking device for the lower side door of the freight gondola car is characterized by comprising a pressing component and a connecting component, wherein the pressing component is connected with a side wall body of the freight gondola car and is used for abutting against the lower side door;
the connecting assembly comprises a connecting rod and a connecting piece, one end of the connecting rod is connected with the side wall body, the other end of the connecting rod is a free end, the free end of the connecting rod penetrates through the pressing assembly, and the connecting piece is connected with the connecting rod to lock the pressing assembly and the side wall body;
the connecting assembly further comprises a connecting seat, the connecting seat is connected with the side wall body, and one end of the connecting rod is connected with the connecting seat;
the connecting seat and the pressing component are both provided with a lock hole, the lock hole comprises a through part and a locking part communicated with the through part, and the width of the through part is greater than that of the locking part;
the connecting rod is provided with a connecting end and a rod body, and the diameter of the connecting end is larger than that of the rod body; the connecting end penetrates through the passing part and moves to the locking part, so that the connecting end is abutted against one side of the locking part on the connecting seat, and the connecting piece is abutted against the other side of the locking part on the pressing assembly.
2. The locking device for the lower side door of the freight gondola as claimed in claim 1, wherein the pressing assembly comprises a fixed base and an elastic pressing rod, one end of the elastic pressing rod is connected with the fixed base, and the connecting assembly is connected with the elastic pressing rod.
3. The locking device for the lower side door of the cargo gondola of claim 2, wherein the press-fit assembly further comprises a press-fit member; the fixed seat is positioned on the side wall body, and the elastic pressure rod is hinged with the fixed seat; the pressing piece is connected with the elastic pressing rod, the pressing piece symmetrically extends along two sides of the width direction of the elastic pressing rod, and the pressing piece is used for being abutted against the lower side door.
4. The locking device for the lower side door of the cargo gondola of claim 2, wherein the holder is connected to the lower side door.
5. The locking device for the lower side door of the freight gondola of claim 4, wherein the elastic pressing rod is hinged to the fixing base.
6. The locking device for the lower side door of the cargo gondola of claim 1, wherein the connecting bar is hinged to the connecting base.
7. A freight gondola comprising a locking device for a lower side door of a freight gondola according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811355639.6A CN109532900B (en) | 2018-11-14 | 2018-11-14 | Locking device of lower side door of freight gondola car and freight gondola car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811355639.6A CN109532900B (en) | 2018-11-14 | 2018-11-14 | Locking device of lower side door of freight gondola car and freight gondola car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109532900A CN109532900A (en) | 2019-03-29 |
| CN109532900B true CN109532900B (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811355639.6A Active CN109532900B (en) | 2018-11-14 | 2018-11-14 | Locking device of lower side door of freight gondola car and freight gondola car |
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| GB739761A (en) * | 1953-04-03 | 1955-11-02 | Renault | Improvements in or relating to a device for manipulating windows |
| EP0855325A1 (en) * | 1997-01-21 | 1998-07-29 | Deutsche Waggonbau AG | Guiding, displacement and locking device for sliding sides of freight cars |
| JP2007230365A (en) * | 2006-03-01 | 2007-09-13 | East Japan Railway Co | Vehicular plugged door device |
| CN200958316Y (en) * | 2006-10-17 | 2007-10-10 | 中国南车集团眉山车辆厂 | Lower door lock of freight wagon in railway |
| CN201932162U (en) * | 2010-12-17 | 2011-08-17 | 南车长江车辆有限公司 | Bottom door switching device of railway hopper wagon |
| CN102295008A (en) * | 2011-06-14 | 2011-12-28 | 南车眉山车辆有限公司 | Railway heavy-axleload general open wagon |
| CN102991516A (en) * | 2012-12-06 | 2013-03-27 | 南车长江车辆有限公司 | Opening device for side door of rail wagon |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB739761A (en) * | 1953-04-03 | 1955-11-02 | Renault | Improvements in or relating to a device for manipulating windows |
| EP0855325A1 (en) * | 1997-01-21 | 1998-07-29 | Deutsche Waggonbau AG | Guiding, displacement and locking device for sliding sides of freight cars |
| JP2007230365A (en) * | 2006-03-01 | 2007-09-13 | East Japan Railway Co | Vehicular plugged door device |
| CN200958316Y (en) * | 2006-10-17 | 2007-10-10 | 中国南车集团眉山车辆厂 | Lower door lock of freight wagon in railway |
| CN201932162U (en) * | 2010-12-17 | 2011-08-17 | 南车长江车辆有限公司 | Bottom door switching device of railway hopper wagon |
| CN102295008A (en) * | 2011-06-14 | 2011-12-28 | 南车眉山车辆有限公司 | Railway heavy-axleload general open wagon |
| CN102991516A (en) * | 2012-12-06 | 2013-03-27 | 南车长江车辆有限公司 | Opening device for side door of rail wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109532900A (en) | 2019-03-29 |
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