CN112124344B - Movable side door locking device - Google Patents
Movable side door locking device Download PDFInfo
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- CN112124344B CN112124344B CN202010972851.8A CN202010972851A CN112124344B CN 112124344 B CN112124344 B CN 112124344B CN 202010972851 A CN202010972851 A CN 202010972851A CN 112124344 B CN112124344 B CN 112124344B
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- side door
- vertical plates
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- hole
- locking device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
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Abstract
The invention relates to a movable side door locking device, comprising: the folding device comprises a bottom plate and two vertical plates, wherein the bottom plate is fixed on a side door, a first bulge is arranged on the bottom plate, the two vertical plates are parallel to each other and are vertically fixed on the bottom plate, vertical plate holes are symmetrically arranged at the lower ends of the two vertical plates, the length of the two vertical plates is greater than that of the bottom plate, and a gap is defined by the two vertical plates and the bottom plate; the stop iron is provided with a long round hole; the folding seat comprises a base plate and two side vertical plates, the base plate is fixed on the flat car, a second bulge is arranged on the base plate, the two side vertical plates are parallel to each other and are vertically fixed on the base plate, and side vertical plate holes are symmetrically formed in one ends, far away from the base plate, of the two side vertical plates; the pin shaft is inserted into the vertical plate hole, the long round hole and the side vertical plate hole, the stop iron is hinged to the folding seat and the folding paper through the pin shaft, and the upper end and the lower end of the stop iron are respectively movably connected with the first protrusion and the second protrusion. The device is arranged at the symmetrical structure position of the movable side door, and can solve the problem of distortion and deformation of the side door due to uneven stress.
Description
Technical Field
The invention relates to a movable side door locking device, and belongs to the technical field of flat car vehicles.
Background
When the flat car is used for transporting bulk cargos such as ores, sand, stone slag and the like and materials such as a contact net pole and the like, movable side doors with certain heights need to be installed on two sides of the flat car, so that the economy and the applicability of the flat car are improved. When the movable side door runs on the flat car or loads bulk goods, the side door needs to be vertically locked on the flat car; when unloading, the side door is opened and turned over, and after falling, the side door is limited to prevent swinging from invading the vehicle limit. The movable side door of the existing flat car with the side door is not provided with a special locking mechanism, and is generally locked by means of flat car column inserts, wherein the method is to insert square steel on two side column inserts of the flat car to lock the side door; when unloading is carried out, the square steel is pulled out, the side door can be freely turned over, but when the column insertion position and the center position of the side door are not coincident, the side door is easy to generate distortion plastic deformation; the flat wagon can be injured by crashing after the side door is turned over, the flat wagon is damaged, and when the flat wagon moves, the danger of damage to surrounding equipment or personnel exists due to the swinging of the side door, and the locking mode is not safe and does not meet the reinforcing requirement of railway cargo loading. Therefore, the movable side door of the flat car needs to be provided with a special locking device, and the multifunctional requirements of cargo transportation, loading and unloading are met.
Disclosure of Invention
In order to solve the problem, the invention provides a movable side door locking device which can solve the problem that the side door is distorted and deformed due to uneven stress, and a stop iron in the device has the function of a beat spring and is slapped on the stop iron when falling down, so that the flat car is prevented from being damaged.
In order to achieve the purpose, the invention adopts the following technical scheme:
a movable side door locking device comprises the following components:
the folding device comprises a bottom plate and two vertical plates, wherein the bottom plate is fixed on a side door, a first bulge is arranged on the bottom plate, the two vertical plates are parallel to each other and are vertically fixed on the bottom plate, vertical plate holes are symmetrically arranged at the lower ends of the two vertical plates, the length of the two vertical plates is greater than that of the bottom plate, and a gap is defined by the two vertical plates and the bottom plate;
the stop iron is provided with a long round hole so as to play a lever role;
the folding seat comprises a base plate and two side vertical plates, the base plate is fixed on the flat car, a second bulge is arranged on the base plate, the two side vertical plates are parallel to each other and are vertically fixed on the base plate, and side vertical plate holes are symmetrically formed in one ends, far away from the base plate, of the two side vertical plates;
the pin shaft is inserted into the vertical plate hole, the long round hole and the side vertical plate hole, the stop iron is hinged to the folding seat and the folding paper through the pin shaft, and the upper end and the lower end of the stop iron are movably connected with the first protrusion and the second protrusion respectively.
The movable side door locking device is characterized in that the two vertical plates are provided with first jacking surfaces which are used for jacking with the flat car when the side door and the hinge are in an upright locking position.
In the movable side door locking device, preferably, the first protrusion is provided with a second top tight surface, the upper end and the lower end of the left side of the long circular hole are respectively provided with a third top tight surface and a fourth top tight surface, and the second protrusion is provided with a fifth top tight surface; when the side door is in the vertical locking position, the third tightly-pushing surface is tightly pushed against the second tightly-pushing surface, the fourth tightly-pushing surface is tightly pushed against the fifth tightly-pushing surface, and the long round hole is tightly pushed against the pin shaft.
The movable side door locking device, preferably, the lower extreme of the tight face in third top still is provided with first contact site, the right side of slotted hole is provided with the second contact site, works as when the stop iron is extracted and is found the locking position, the side door with fold paper and wind under self action of gravity the round pin axle rotates to turn over, the tight face in second top with the laminating of first contact site, the second contact site with the laminating of fifth top tight face is used for the protection the flatcar is not damaged.
The movable side door locking device is characterized in that a third contact part and an end head are arranged at the upper end of the right side of the long round hole, when the stop iron is pulled out of the vertical locking position, the stop iron continues to be lifted upwards, the long round hole translates along the pin shaft until the end head can bypass the notch, and then the stop iron is inserted downwards, so that the second contact part is attached to the flat car, the third contact part is attached to the edge of the notch, and the long round hole is tightly propped against the pin shaft, so that the side door is limited to rotate around the pin shaft to enter a vehicle limit.
The movable side door locking device, preferably, one or more of the second top tight surface, the fourth top tight surface, the third top tight surface and the fifth top tight surface may also be a top tight point, that is, when the side door is in the upright locking position, the stopper is in point contact with the hinge or the top tight position of the hinge seat.
In the movable side door locking device, the first contact portion is preferably a contact point or a contact plane.
Preferably, in the movable side door locking device, the distance between the vertical plate hole and the notch is D1, the distance between the end head and the nearest arc center in the oblong hole is D1, and D1 ≧ D1.
Preferably, the fourth tightening surface and the center line of the two circular arcs in the oblong hole form an included angle a, and the angle a is less than or equal to 0 degrees and less than 90 degrees.
Preferably, the third tightening surface and the center line of the two circular arcs in the oblong hole form an included angle b, and b is less than or equal to 0 degrees and less than 90 degrees.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the device is arranged at the symmetrical structure position of the movable side door, and can solve the problem that the side door is distorted and deformed due to uneven stress;
2. the stop iron of the device has the function of a beat spring, when the side door falls down, the side door is slapped on the stop iron, the flat car is not directly slapped, the flat car is prevented from being damaged, and the stop iron is also provided with a limiting structure for limiting the side door after being overturned so as to prevent the side door from invading into the limit of the car;
3. the device of the invention has simple design structure: the main structural part is a common steel casting or a plate part, the geometric shape has no complex characteristics, the raw materials are convenient to obtain, and the manufacturing cost is low; the mechanism principle is safe and reliable: the design principle is balanced according to lever force, and the requirement of transporting goods by the flat car can be met through calculation, so that higher user satisfaction is obtained; the humanized design is easy to operate: the device is arranged on a flat car, only one person is needed for field operation, no special tool is needed, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention (in the upright locked position);
FIG. 2a is a front view of a hinge in the apparatus of the present invention, and FIG. 2b is a cross-sectional view of the hinge in the apparatus of the present invention;
FIG. 3 is a schematic structural diagram of a stop iron in the apparatus of the present invention;
FIG. 4 is a schematic structural view of a pin shaft in the device of the present invention;
FIG. 5a is a front view of a folder in the apparatus of the present invention, and FIG. 5b is a cross-sectional view of the folder in the apparatus of the present invention;
FIG. 6 is a schematic view of the overall structure of the device of the present invention when used as a clapper spring;
FIG. 7 is a schematic view of the overall structure of the device of the present invention in use for limiting;
FIG. 8 is a partially sized view of a hinge of the apparatus of the present invention;
FIG. 9 is a schematic illustration of a partial size of a stop in the apparatus of the present invention;
the respective symbols in the figure are as follows:
1-fold, 101-bottom plate, 102-vertical plate, 1021-vertical plate hole, 1022-first top tight surface, 103-first protrusion, 1031-second top tight surface and 104-notch; 2-stop iron, 201-long round hole, 202-fourth top tight surface, 203-third top tight surface, 204-first contact part, 205-second contact part, 206-third contact part, 207-end head; 3-a pin shaft; 4-folding seat, 401-base plate, 402-side vertical plate, 4021-side vertical plate hole and 403-second protrusion; 4031-fifth tightening surface, 5-flat car; 6-side door.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper end", "lower end", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the scope of the present invention.
In the description of the present invention, it should be understood that the terms "first", "second", "third", "fourth", "fifth", etc. are used to define the components, and are used only for the convenience of distinguishing the components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present invention.
As shown in fig. 1-5, the present invention specifically relates to a movable side door locking device comprising the following components:
the hinge 1 comprises a bottom plate 101 and two vertical plates 102, wherein the bottom plate 101 is fixed on a side door 6, a first protrusion 103 is arranged on the bottom plate 101, the two vertical plates 102 are parallel to each other and are vertically fixed on the bottom plate 101, vertical plate holes 1021 are symmetrically arranged at the lower ends of the two vertical plates 102, the length of the two vertical plates 102 is greater than that of the bottom plate 101, and a gap 104 is defined by the two vertical plates 102 and the bottom plate 101;
the stop iron 2 is provided with a long round hole 201 to play a lever role;
the folding seat 4 comprises a base plate 401 and two side vertical plates 402, the base plate 401 is fixed on the flat car 5, a second protrusion 403 is arranged on the base plate 401, the two side vertical plates 402 are mutually parallel and vertically fixed on the base plate 401, and the two side vertical plates 402 are symmetrically provided with side vertical plate holes 4021 at one end far away from the base plate 401;
the pin shaft 3 is inserted into the vertical plate hole 1021, the long round hole 201 and the side vertical plate hole 4021, the stop iron 2 is hinged to the folding seat 4 and the folding 1 through the pin shaft 3, and the upper end and the lower end of the stop iron 2 are respectively movably connected with the first protrusion 103 and the second protrusion 403.
In this embodiment, the two standing plates 102 are preferably provided with a first abutting surface 1022 for abutting against the flat car 5 when the side door 6 and the hinge 1 are in the upright locking position.
In this embodiment, preferably, the first protrusion 103 is provided with a second tightening surface 1031, the upper and lower ends of the left side of the oblong hole 201 are respectively provided with a third tightening surface 203 and a fourth tightening surface 202, and the second protrusion 403 is provided with a fifth tightening surface 4031; when the side door 6 is in the upright locking position, the third tightening surface 203 is tightened against the second tightening surface 1031, the fourth tightening surface 202 is tightened against the fifth tightening surface 4031, and the oblong hole 201 is tightened against the pin shaft 3.
As shown in fig. 1, the bottom plate 101 is fixed on a side door, the base plate 401 of the folding seat 4 is fixed on the flat car 5, the vertical plate hole 1021 of the folding 1 and the long circular hole 201 of the stopper 2 are hinged to the side vertical plate hole 4021 of the folding seat 4 through a pin 3, the side door 6 and the folding 1 can rotate around the pin 3 together, and the long circular hole 201 of the stopper 2 can rotate and translate around the pin 3. One of the functions of the device of the invention is as follows: the locking position is erected. The side door 6 and the vertical plate hole 1021 of the hinge 1 rotate to the vertical position around the pin shaft 3, so that the first abutting surface 1022 of the hinge 1 abuts against the flatcar, the long circular hole 201 of the stop iron 2 is inserted downwards, the third abutting surface 203 of the stop iron 2 abuts against the second abutting surface 1031 of the hinge 1, the fourth abutting surface 202 of the stop iron 2 abuts against the fifth abutting surface 4031 of the hinge seat 4, the long circular hole 201 of the stop iron abuts against the pin shaft 3, and the side door is locked according to the lever principle.
In this embodiment, preferably, the lower end of the third abutting surface 203 is further provided with a first contact portion 204, the right side of the oblong hole 201 is provided with a second contact portion 205, when the stopper 2 is pulled out of the upright locking position, the side door 6 and the hinge 1 rotate and fall around the pin shaft 3 under the action of their own gravity, the second abutting surface 1031 is attached to the first contact portion 204, and the second contact portion 205 is attached to the fifth abutting surface 4031, so as to protect the flatcar 5 from being damaged.
As shown in fig. 6, the second function of the apparatus of the present invention is: can be used as a clapper spring. The stop iron 2 is pulled out to be in the vertical locking position, the side door 6 and the hinge 1 rotate around the pin shaft 3 to fall under the action of self gravity and flap on the first contact part 204 of the stop iron 2, and at the moment, the second contact part 205 of the stop iron 2 is attached to the fifth tightening surface 4031 of the hinge seat 4, so that the flat car is protected from being damaged.
In this embodiment, preferably, the upper end of the right side of the oblong hole 201 is provided with a third contact portion 206 and a tip 207, after the stop iron 2 is pulled out of the vertical locking position, the stop iron 2 is continuously lifted upwards, the oblong hole 201 is translated along the pin shaft 3 until the tip 207 can bypass the notch 104, and then the stop iron 2 is inserted downwards, so that the second contact portion 205 is attached to the flat car 5, the third contact portion 206 is attached to the edge of the notch 104, and the oblong hole 201 is tightly abutted to the pin shaft 3, thereby limiting the side door 6 from swinging around the pin shaft 3 to intrude into the vehicle limit.
As shown in fig. 7, the third function of the apparatus of the present invention is: and (5) limiting. The stop iron 2 is lifted at the position shown in fig. 6, the long circular hole 201 of the stop iron 2 translates along the pin shaft 3 until the end 207 of the stop iron 2 can bypass the notch 104 of the hinge 1, then the stop iron 2 is inserted downwards, so that the second contact part 205 of the stop iron 2 is attached to the flat car 5, the third contact part 206 of the stop iron 2 is attached to the edge of the notch 104 of the hinge 1, the long circular hole 201 of the stop iron 2 is tightly propped against the pin shaft 3, and the side door is locked according to the lever principle, so that the side door 6 is prevented from swinging around the pin shaft 3 to invade the vehicle limit.
In this embodiment, preferably, one or more of the second tightening surface 1031, the fourth tightening surface 202, the third tightening surface 203 and the fifth tightening surface 4031 may also be a tightening point, that is, when the side door 6 is in the upright locking position, the tightening position of the stopper 2 with respect to the hinge 1 or the hinge seat 4 is a point contact.
In this embodiment, the first contact portion 204 is preferably a contact point or a contact plane.
In this embodiment, as shown in fig. 8 and 9, the distance between the upright plate hole 1021 and the notch 104 is preferably D1, the distance between the tip 207 and the nearest arc center of the oblong hole 201 is preferably D1, and D1 ≧ D1.
In this embodiment, as shown in fig. 8 and 9, the fourth tightening surface 202 preferably forms an angle a with the center line of the two circular arcs in the oblong hole 201, where a is 15 °.
In this embodiment, as shown in fig. 8 and 9, the third tightening surface 203 preferably forms an angle b with the center lines of the two arcs of the oblong hole 201, and b is 6 °.
In the present embodiment, preferably, the hinge 1, the stop iron 2, the pin 3 and the hinge base 4 are common steel casting or plate material pieces, and have no complicated geometrical shape, convenient raw material acquisition and low manufacturing cost.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A movable side door locking device is characterized by comprising the following components:
the hinge (1) comprises a bottom plate (101) and two vertical plates (102), wherein the bottom plate (101) is fixed on a side door (6), a first protrusion (103) is arranged on the bottom plate (101), the two vertical plates (102) are parallel to each other and are vertically fixed on the bottom plate (101), vertical plate holes (1021) are symmetrically arranged at the lower ends of the two vertical plates (102), the length of the two vertical plates (102) is greater than that of the bottom plate (101), and a gap (104) is defined by the two vertical plates (102);
the baffle iron (2), the baffle iron (2) is provided with a long round hole (201);
the folding seat (4) comprises a base plate (401) and two side vertical plates (402), the base plate (401) is fixed on the flat car (5), a second protrusion (403) is arranged on the base plate (401), the two side vertical plates (402) are parallel to each other and vertically fixed on the base plate (401), and side vertical plate holes (4021) are symmetrically arranged at one end, far away from the base plate (401), of the two side vertical plates (402);
the pin shaft (3) is inserted into the vertical plate hole (1021), the long round hole (201) and the side vertical plate hole (4021), the stop iron (2) is hinged to the folding seat (4) and the folding sheet (1) through the pin shaft (3), and the upper end and the lower end of the stop iron (2) are movably connected with the first protrusion (103) and the second protrusion (403) respectively;
the upper end of the right side of the long round hole (201) is provided with a third contact part (206) and a tip (207), the third contact part (206) is a curved surface with a concave fold, when the stop iron (2) is pulled out of the vertical locking position, the stop iron (2) is continuously lifted upwards, the long round hole (201) translates along the pin shaft (3) until the tip (207) can bypass the notch (104), then the stop iron (2) is inserted downwards, so that the second contact part (205) is attached to the flatcar (5), the third contact part (206) is attached to the edge of the notch (104), and the long round hole (201) is tightly abutted to the pin shaft (3), so that the side door (6) is limited from swinging around the pin shaft (3) to enter a vehicle limit.
2. The moving side door locking device according to claim 1, wherein a first abutting surface (1022) is provided on both of the vertical plates (102) for abutting against the flat car (5) when the side door (6) and the hinge (1) are in the upright locking position.
3. The movable side door locking device according to claim 1, characterized in that a second tightening surface (1031) is provided on the first protrusion (103), a third tightening surface (203) and a fourth tightening surface (202) are provided on the upper and lower ends of the left side of the oblong hole (201), respectively, and a fifth tightening surface (4031) is provided on the second protrusion (403); when the side door (6) is located at the vertical locking position, the third tightening surface (203) is tightly pressed against the second tightening surface (1031), the fourth tightening surface (202) is tightly pressed against the fifth tightening surface (4031), and the long round hole (201) is tightly pressed against the pin shaft (3).
4. The movable side door locking device according to claim 3, characterized in that a first contact part (204) is further arranged at the lower end of the third abutting surface (203), a second contact part (205) is arranged on the right side of the long circular hole (201), when the stop iron (2) is pulled out of the vertical locking position, the side door (6) and the hinge (1) rotate and fall around the pin shaft (3) under the action of self gravity, the second abutting surface (1031) is attached to the first contact part (204), and the second contact part (205) is attached to the fifth abutting surface (4031) for protecting the flatcar (5) from being damaged.
5. The movable side door locking device according to claim 3, characterized in that one or more of the second tightening surface (1031), the fourth tightening surface (202), the third tightening surface (203) and the fifth tightening surface (4031) may also be a tightening point, i.e. when the side door (6) is in the upright locking position, the tightening position of the stop iron (2) with the hinge (1) or the hinge seat (4) is a point contact.
6. The movable side door locking device according to claim 4, characterized in that the first contact portion (204) is a contact point or a contact plane.
7. The movable side door locking device according to claim 1, wherein the distance between the vertical plate hole (1021) and the notch (104) is D1, and the distance between the head (207) and the nearest arc center in the oblong hole (201) is D1, D1 ≧ D1.
8. The movable side door locking device according to any one of claims 3-6, characterized in that the angle between the fourth tightening surface (202) and the center line of two circular arcs in the oblong hole (201) is a, and 0 ° ≦ a <90 °.
9. The movable side door locking device according to any one of claims 3-6, characterized in that the angle between the third tightening surface (203) and the center line of the two circular arcs in the oblong hole (201) is b, and 0 ° ≦ b <90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972851.8A CN112124344B (en) | 2020-09-16 | 2020-09-16 | Movable side door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972851.8A CN112124344B (en) | 2020-09-16 | 2020-09-16 | Movable side door locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112124344A CN112124344A (en) | 2020-12-25 |
| CN112124344B true CN112124344B (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010972851.8A Active CN112124344B (en) | 2020-09-16 | 2020-09-16 | Movable side door locking device |
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| CN (1) | CN112124344B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201143933Y (en) * | 2007-12-27 | 2008-11-05 | 南车二七车辆有限公司 | Special lower layer end ferry plate for dual-layer transport automobile |
| CN203383617U (en) * | 2013-08-02 | 2014-01-08 | 南车二七车辆有限公司 | Railway flatcar side door automatic locking device |
| CN204323344U (en) * | 2014-12-23 | 2015-05-13 | 太原轨道交通装备有限责任公司 | Narrow gauge flatcar |
| CN204998529U (en) * | 2015-09-10 | 2016-01-27 | 南车二七车辆有限公司 | Special flatcar automobile body is maintained to railway contact net |
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2020
- 2020-09-16 CN CN202010972851.8A patent/CN112124344B/en active Active
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| CN112124344A (en) | 2020-12-25 |
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