CN114312870B - Side door opening and closing device of railway hopper car - Google Patents
Side door opening and closing device of railway hopper car Download PDFInfo
- Publication number
- CN114312870B CN114312870B CN202210028561.7A CN202210028561A CN114312870B CN 114312870 B CN114312870 B CN 114312870B CN 202210028561 A CN202210028561 A CN 202210028561A CN 114312870 B CN114312870 B CN 114312870B
- Authority
- CN
- China
- Prior art keywords
- side door
- transmission shaft
- hopper car
- closing device
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a side door opening and closing device of a railway hopper wagon, which relates to the field of railway wagons and comprises the following components: the side door pressing mechanism comprises a lower transmission shaft arranged below the side door, and a side door pressing lock crank is arranged on the lower transmission shaft; the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, wherein the upper transmission shaft is rotationally arranged at the upper part of the railway hopper car, one end of the vertical connecting rod is connected with the lower transmission shaft, the upper transmission shaft is connected with the middle part of the vertical connecting rod through a first transmission structure, and the lower transmission shaft can be driven to rotate when the upper transmission shaft rotates so that the side door press lock crank is pressed against the bottom of the side door; the locking mechanism comprises a locking body, a first end of the locking body is hinged to the railway hopper car, a second end of the locking body is provided with a locking hook, a third end of the locking body is connected with the upper transmission shaft through a second transmission structure, and the locking body can be driven to rotate around the first end when the upper transmission shaft rotates so that the locking hook clamps the other end of the vertical connecting rod; the locking function is achieved when the side door is closed.
Description
Technical Field
The invention belongs to the field of railway trucks, and particularly relates to a side door opening and closing device of a railway hopper car.
Background
The railway hopper car is used as a railway vehicle for bearing railway transportation, has the advantages of high unloading efficiency, less investment of ground facilities and the like, and is mainly used for transporting particulate cargoes such as coal, ore, grain and the like. The vehicle body is funnel-shaped with a large upper part and a small bottom, the cargo can be discharged from a discharge opening at the bottom or at the side part of the funnel by means of the dead weight of the cargo, bottom doors or side doors are arranged at the discharge opening, and a set of bottom door opening and closing mechanisms are used for controlling the opening and closing of the bottom doors or the side doors, so that the discharge operation is completed.
The bottom door or side door opening and closing mechanism is a key and core component of the railway hopper car, and the bottom door or side door opening and closing mechanism is driven by compressed air or manpower to realize the opening and closing of the bottom door or side door. The bottom door or side door opening and closing mechanism of the railway hopper car is required to have good locking reliability and stable maneuvering performance, so that the problems that the bottom door or side door opening and closing mechanism fails due to interference between the opening and closing mechanism and a car body after the car parts are worn and other factors in the actual application process, the bottom door or side door cannot be opened or closed, the loading and unloading time is wasted, and the car cannot be used are avoided; or the bottom door or the side door is automatically opened due to jolt, vibration and the like of the vehicle, so that goods leak is caused, and the driving safety is further influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a side door opening and closing device of a railway hopper car, which drives a side door on a lower transmission shaft to compress a crank to compress a side door through an upper transmission shaft, and simultaneously drives a second transmission structure to enable a pressing lock body to clamp a vertical connecting rod, so that the positions of the vertical connecting rod and the lower transmission shaft are locked, and a locking function is realized when the side door is closed.
In order to achieve the above object, the present invention provides a side door opening and closing device for a railroad hopper car, comprising:
the side door pressing mechanism comprises a lower transmission shaft arranged below the side door, and a side door pressing lock crank is arranged on the lower transmission shaft;
the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, wherein the upper transmission shaft is rotationally arranged at the upper part of the railway hopper car, one end of the vertical connecting rod is connected with the lower transmission shaft, the upper transmission shaft is connected with the middle part of the vertical connecting rod through a first transmission structure, and the lower transmission shaft can be driven to rotate when the upper transmission shaft rotates so that the side door press lock crank is pressed against the bottom of the side door;
the locking mechanism comprises a locking body, a first end of the locking body is hinged to the railway hopper car, a second end of the locking body is provided with a lock hook, a third end of the locking body is connected with the upper transmission shaft through a second transmission structure, and the locking body can be driven to rotate around the first end when the upper transmission shaft rotates so that the lock hook clamps the other end of the vertical connecting rod.
Optionally, the railway hopper car further comprises a pressing lock body, one end of the pressing lock body is hinged to the railway hopper car, and the other end of the pressing lock body can limit the movement of the buckling lock body when the side door is pressed.
Optionally, the two side doors of the railway hopper car are respectively provided with a railway hopper car side door opening and closing device, an upper bearing is arranged on the floor of the railway hopper car, an upper transmission shaft is rotationally connected with the upper bearing, a duplex lever is arranged on the upper transmission shaft, and two ends of the first transmission structure, which are close to each other, are respectively hinged with two ends of the duplex lever.
Optionally, the first transmission structure includes a connecting rod, one end is hinged with the duplex lever, the middle part of the vertical connecting rod is hinged with the other end of the connecting rod, and the axial directions of the upper transmission shaft and the lower transmission shaft are parallel to each other.
Optionally, a lower bearing is arranged on the railway hopper car, and the end part of the lower transmission shaft is connected with the lower bearing.
Optionally, the second transmission structure includes crank and pull rod, long waist hole has been seted up along its length direction to the one end of pull rod, go up the one end of crank with long waist hole sliding fit, go up the other end of crank with upper portion transmission shaft is connected, the other end of pull rod with the one end of padlock body articulates.
Optionally, the top of side door pass through the side door hinge with the railway hopper car is connected, the bottom of side door is provided with the bearing plate along its length direction, one side of bearing plate with the side door press lock crank cooperatees.
Optionally, the bottom of side door is provided with the portion of bending, the portion of bending to the inside bending of railway hopper car, the portion of bending pass through joint strip with the floor of railway hopper car is laminated mutually.
Optionally, the second end of the lock catch body is in an L-shaped structure, and the inner side of the L-shaped structure is matched with the other end of the vertical connecting rod.
Optionally, the press lock body is close to the other end of the lock body is provided with C shape recess, the both ends of C shape recess are provided with first laminating portion and second laminating portion respectively, when the latch hook with the other end of standing the connecting rod blocks, first laminating portion with second laminating portion respectively with the outside of two right angle limits of L shape structure is laminated mutually.
The invention provides a side door opening and closing device of a railway hopper car, which has the beneficial effects that:
1. the side door closing device adopts the connecting rod and the vertical connecting rod to realize the linkage of the upper transmission shaft and the lower transmission shaft, and can enable the upper transmission shaft to rotate in a pneumatic or manual mode and the like, so as to drive the lower transmission shaft to drive the side door pressing lock crank of the hopper car to rotate, thereby realizing the opening and closing of the side door of the railway hopper car, and having simple structure, convenient operation and labor saving;
2. the side door closing device uses the self-locking mode of the eccentric amount of the joint surface of the pressing lock body and the buckling lock body to realize simultaneous locking of the upper transmission shaft and the lower transmission shaft, has high locking reliability and high application safety, and can effectively avoid the phenomenon that the side door is automatically opened to cause cargo leakage due to poor locking of the transmission mechanism in the running process of the hopper car;
3. the bending part at the lower part of the side door plate in the side door closing device bends towards the inner side of the vehicle body, and the sealing rubber strip is fixed inside the lower side of the funnel plate of the vehicle body, so that the tightness of the lower part of the side door in the side door closing state is improved, the impact or abrasion of goods to the sealing rubber strip when the side door is opened for unloading is eliminated, and the service life of the sealing rubber strip is ensured.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 is a schematic view showing a structure of a side door opening and closing device of a railroad hopper car according to an embodiment of the present invention when the side door is closed.
Fig. 2 shows a left side view of the hidden upper bearing of fig. 1.
Fig. 3 is a schematic view showing a structure of a side door opening and closing device of a railroad hopper car according to an embodiment of the present invention when the side door is opened.
Fig. 4 shows a left side view of the hidden upper bearing of fig. 3.
FIG. 5 shows a close-up view of the bottom of a side door in a side door closed state, according to one embodiment of the invention.
Fig. 6 shows a schematic structural view of a press lock body according to an embodiment of the present invention.
Fig. 7 shows a first state diagram of the press lock body and the buckle lock body when the side door is closed according to one embodiment of the present invention.
Fig. 8 shows a second state diagram of the press lock body and the buckle lock body when the side door is closed according to one embodiment of the present invention.
Fig. 9 shows a third state diagram of the press lock body and the buckle lock body when the side door is closed according to one embodiment of the present invention.
Reference numerals illustrate:
1. an upper drive shaft; 2. an upper bearing; 3. a double lever; 4. a connecting rod; 5. a bending part; 6. a vertical connecting rod; 7. a lower drive shaft; 8. a lower bearing; 9. side door pressing lock crank; 10. a side door; 11. folding a side door; 12. a pressure bearing plate; 13. a lock body; 14. pressing the lock body; 15. a buckling support; 16. a pull rod; 17. an upper crank; 18. a press lock support; 19 side door panels; 20. a sealing rubber strip; 21. a first bonding part; 22. and a second attaching part.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a side door opening and closing device of a railway hopper wagon, which comprises:
the side door pressing mechanism comprises a lower transmission shaft arranged below the side door, and a side door pressing lock crank is arranged on the lower transmission shaft;
the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, wherein the upper transmission shaft is rotationally arranged at the upper part of the railway hopper car, one end of the vertical connecting rod is connected with the lower transmission shaft, the upper transmission shaft is connected with the middle part of the vertical connecting rod through a first transmission structure, and the lower transmission shaft can be driven to rotate when the upper transmission shaft rotates so that the side door press lock crank is pressed against the bottom of the side door;
the locking mechanism comprises a locking body, wherein the first end of the locking body is hinged to the railway hopper car, the second end of the locking body is provided with a locking hook, the third end of the locking body is connected with the upper transmission shaft through a second transmission structure, and the locking body can be driven to rotate around the first end when the upper transmission shaft rotates so that the locking hook locks the other end of the vertical connecting rod.
Specifically, in the side door opening and closing device, the first transmission structure and the second transmission structure are driven to realize locking and locking operation on the side door by rotating the upper transmission shaft, so that the side door opening and closing device is simple in structure and convenient and labor-saving to operate; when the side door is closed, the upper transmission shaft drives the pressing lock body to lock the vertical connecting rod, so that the first transmission structure is prevented from loosening, and the side door can be effectively prevented from being automatically opened to cause cargo leakage.
Optionally, the device further comprises a pressing lock body, one end of the pressing lock body is hinged to the railway hopper car, and the other end of the pressing lock body can limit the movement of the buckling lock body when the side door is pressed.
Specifically, when the vertical connecting rod is locked, the pressing lock body is pressed through the action of external force, the pressing lock body limits the buckling lock body through the shape surface, the buckling lock body is prevented from rotating, the buckling lock body is always locked to the vertical connecting rod, and the reliability and safety of locking the side door are improved.
Optionally, two side doors of the railway hopper car are respectively provided with a side door opening and closing device of the railway hopper car, the floor of the railway hopper car is provided with an upper bearing, an upper transmission shaft is rotationally connected with the upper bearing, a duplex lever is arranged on the upper transmission shaft, and one ends of the two first transmission structures, which are close to each other, are respectively hinged with two ends of the duplex lever.
Specifically, this side door opening and closing device sets up in the bottom of hopper car both sides, does not influence the cargo loading capacity and the space of construction of hopper car, sets up two upper portion bearing frames on the floor of railway hopper car, and upper portion bearing frame passes through upper portion bearing and upper portion transmission shaft realization normal running fit, when hopper car side door needs the switching, only need rotate upper portion transmission shaft and can accomplish the operation, convenient operation is laborsaving.
The upper transmission shaft and the lower transmission shaft are arranged in parallel, and the double transmission shafts, the connecting rods and the vertical connecting rods are hinged to each other, so that when the first transmission structure is needed to realize the compaction of side doors at two sides, the operation can be completed by only rotating the upper transmission shaft clockwise; the vertical connecting rod is arranged outside the side doors on two sides, a plurality of side door pressing lock crank corners are uniformly distributed on the vertical connecting rod, when the upper transmission shaft rotates clockwise, the lower transmission shaft can drive the side door pressing lock crank corners to apply inward pressure to the outside of the side doors so that the side doors can be pressed, the side doors are uniformly stressed, and the tightness of the side doors can be improved.
Optionally, the first transmission structure comprises a connecting rod, one end of the connecting rod is hinged with the duplex lever, the middle part of the vertical connecting rod is hinged with the other end of the connecting rod, and the axial directions of the upper transmission shaft and the lower transmission shaft are parallel to each other.
Specifically, the position that upper portion transmission shaft is located between two upper portion bearing frames is provided with the duplex lever, and the middle part and the upper portion transmission shaft of duplex lever are connected and are realized synchronous rotation, and the both ends of duplex lever are connected with first transmission structure respectively, drive the side door formation locking of the side door realization both sides of the first transmission structure of both sides through the rotation of upper portion transmission shaft, improve the leakproofness of hopper car.
Optionally, a lower bearing is arranged on the railway hopper car, and the end part of the lower transmission shaft is connected with the lower bearing.
Specifically, the lower bearings are respectively arranged at two ends of the lower surface of the floor of the hopper car along the length direction, and are connected with the end parts of the lower transmission shaft through the lower bearings, so that the lower transmission shaft is fixed.
Optionally, the second transmission structure includes a crank and a pull rod, one end of the pull rod is provided with a long waist hole along the length direction, one end of the crank is in sliding fit with the long waist hole, the other end of the crank is connected with the upper transmission shaft, and the other end of the pull rod is hinged with one end of the lock body.
Optionally, the top of side door is connected with the railway hopper car through the side door hinge, and the bottom of side door is provided with the bearing plate along its length direction, and one side of bearing plate cooperatees with side door press lock crank.
Specifically, the top of the side door is connected with the hopper car through a side door hinge, when pressure is applied to the side door inwards by the side door pressing crank, the side door can rotate along the side door hinge to be pressed, and when pressure is not applied to the side door inwards by the side door pressing crank, the side door can rotate along the side door hinge under the side pressure of goods in the car to be opened; the bottom of side door is provided with the bearing plate, and the bearing plate outside receives the pressure of side door pressure lock crank and makes it drive the inboard laminating of side door to the hopper car, realizes closing the hopper car.
Optionally, the bottom of side door is provided with the portion of bending, and the portion of bending is crooked to the inside of railway hopper car, and the portion of bending is laminated with the floor of railway hopper car mutually through joint strip.
Specifically, be provided with the portion of bending in the bottom of hopper car side door, the portion of bending is crooked to the hopper car inboard, is provided with joint strip in the bottom of the portion of bending, and joint strip can improve the leakproofness of side door lower part.
Optionally, the second end of the lock catch body is in an L-shaped structure, and the inner side of the L-shaped structure is matched with the other end of the vertical connecting rod.
Specifically, still be provided with the crank on the upper portion transmission shaft, the one end of going up the crank is driven down at the upper portion transmission shaft, the other end of going up the crank is slided in the long waist hole of pull rod for the pull rod forms vertical direction's change, just so can make the latch body form lever effect, when the pull rod upward movement, can drive the other end downward movement of the latch body and the top joint cooperation of standing the connecting rod, limit the top horizontal direction and the vertical direction of opposite connecting rod through the one end of the L-shaped structure of the latch body, cooperate with lower part transmission shaft each other, carry out spacing locking with the rotation direction of opposite connecting rod, can avoid the hopper car to appear side door locking failure and cause the phenomenon that the goods revealed like this in the operation process.
Optionally, the other end that presses the lock body to be close to the padlock body is provided with C shape recess, and the both ends of C shape recess are provided with first laminating portion and second laminating portion respectively, and when the latch hook blocked with the other end of standing the connecting rod, first laminating portion and second laminating portion laminate with the outside of two right angle limits of L shape structure respectively.
Specifically, the upper portion and the lower part of the lock body are respectively provided with a lock pressing body and a vertical connecting rod, under the rotation of an upper transmission shaft of the lock body and the vertical connecting rod, when the side door is locked, the lock pressing body is pressed on the upper portion of the lock body under the action of external force, the outer sides of the L-shaped structures of the lock body are limited through the two attaching parts at the two ends of the C-shaped groove of the lock body, the outer surfaces of the lock body in the horizontal direction are attached and pressed through the first attaching part, when the lock body is pressed down for a certain distance, the second attaching part is attached to the outer surfaces of the L-shaped structures in the water vertical direction in a pressing mode, and therefore the lock pressing body can be firmly pressed on the vertical connecting rod, and the situation that the side door of the hopper car is opened in a loosening mode when the side door is closed due to the rotation of the vertical connecting rod is avoided, and goods are leaked.
Examples
As shown in fig. 1 to 9, the present invention provides a side door opening and closing device for a railroad hopper car, comprising:
the side door pressing mechanism comprises a lower transmission shaft 7 arranged below the side door, and a side door pressing lock crank 9 is arranged on the lower transmission shaft 7;
the operating mechanism comprises an upper transmission shaft 1 and a vertical connecting rod 6, wherein the upper transmission shaft 1 is rotationally arranged at the upper part of the railway hopper car, one end of the vertical connecting rod 6 is connected with a lower transmission shaft 7, the upper transmission shaft 1 is connected with the middle part of the vertical connecting rod 6 through a first transmission structure, and the lower transmission shaft 7 can be driven to rotate when the upper transmission shaft 1 rotates so that a side door pressing lock crank 9 presses the bottom of a side door 10;
the locking mechanism comprises a locking body 13, a first end of the locking body 13 is hinged to the railway hopper car, a second end of the locking body 13 is provided with a lock hook, a third end of the locking body 13 is connected with the upper transmission shaft 1 through a second transmission structure, and the locking body 13 can be driven to rotate around the first end when the upper transmission shaft 1 rotates so that the lock hook locks the other end of the vertical connecting rod 6.
In this embodiment, the lock further comprises a pressing lock body 14, one end of the pressing lock body is hinged to the railway hopper car, and the other end of the pressing lock body 14 can limit the movement of the buckling lock body 13 when the side door 10 is pressed.
In this embodiment, a side door opening and closing device of the railway hopper car is respectively arranged on two side doors of the railway hopper car, an upper bearing 2 is arranged on the floor of the railway hopper car, an upper transmission shaft 1 is rotationally connected with the upper bearing 2, a duplex lever 3 is arranged on the upper transmission shaft 1, and two ends of the two first transmission structures, which are close to each other, are respectively hinged with two ends of the duplex lever 3.
In this embodiment, the first transmission structure includes a link 4, one end of which is hinged to the duplex lever 3, and the middle part of the vertical link 6 is hinged to the other end of the link 4, and the axial directions of the upper transmission shaft 1 and the lower transmission shaft 7 are parallel to each other.
In this embodiment, the railway hopper car is provided with a lower bearing 8, and the end of the lower transmission shaft 7 is connected to the lower bearing 8.
In this embodiment, the second transmission structure includes an upper crank 17 and a pull rod 16, one end of the pull rod 16 is provided with a long waist hole along the length direction thereof, one end of the upper crank 17 is in sliding fit with the long waist hole, the other end of the upper crank 17 is connected with the upper transmission shaft 1, and the other end of the pull rod 16 is hinged with one end of the lock catch body 13.
In this embodiment, the top of the side door 10 is connected to the railroad hopper car through a side door hinge 11, and the bottom of the side door 10 is provided with a bearing plate 12 along its length direction, and one side of the bearing plate 12 is engaged with the side door press lock bell crank 9.
In this embodiment, the bottom of the side door 10 is provided with a bending portion 5, the bending portion 5 is bent toward the inside of the railroad hopper car, and the bending portion 5 is bonded to the floor of the railroad hopper car via a joint strip 20.
In this embodiment, the second end of the lock catch 13 has an L-shaped structure, and the inner side of the L-shaped structure is matched with the other end of the vertical link 6.
In this embodiment, the other end of the lock pressing body 14, which is close to the lock catch body 13, is provided with a C-shaped groove, and two ends of the C-shaped groove are respectively provided with a first attaching portion 21 and a second attaching portion 22, and when the lock hook is locked with the other end of the vertical connecting rod 6, the first attaching portion 21 and the second attaching portion 22 are respectively attached to the outer sides of two right-angle sides of the L-shaped structure.
In summary, in the closing process of the side door opening and closing device, a rotation moment is applied to the upper transmission shaft 1, the upper transmission shaft 1 is driven to rotate clockwise in the upper bearing 2, the rotation of the upper transmission shaft 1 drives the double lever 3 to rotate clockwise, the double lever 3 rotates clockwise to enable the connecting rod 4 hinged with the double lever to move towards the longitudinal central line direction of the vehicle body, the movement of the connecting rod 4 drives the vertical connecting rod 6 hinged with the connecting rod 4 to rotate anticlockwise, the lower transmission shaft 7 is driven to rotate anticlockwise in the lower bearing 8 under the rotation of the vertical connecting rod 6, the side door press-locking crank 9 fixedly connected with the lower transmission shaft 7 rotates anticlockwise towards the inner side of the vehicle body, the side door press-locking crank 9 is pressed and fixed on the side door 10, the side door 10 is driven to rotate around the side door hinge 11 towards the inner side direction of the vehicle body, the side door plate 19 covers the outer surface of the side door 10, the side door plate 19 is pressed and the side door plate 19 is fixed on the sealing rubber strip 20 on the vehicle body until the side door plate 19 is closely adhered to the vehicle body, and closing and pressing of the side door 10 is achieved.
As shown in fig. 7 to 9, the latch body 13 and the latch body 14 are respectively fixed on the hopper car through the latch support 15 and the latch support 18, the upper transmission shaft 1 rotates clockwise and links the lower transmission shaft 7 to rotate to close the side door 10, at the same time, the upper crank 17 fixedly connected to the upper transmission shaft 1 rotates clockwise, when the upper transmission shaft 1 rotates to the side door 10 at the closing position, the vertical connecting rod 6 cannot rotate anticlockwise until the limit position is reached, the upper crank 17 correspondingly rotates to the locking position, the latch body 13 is operated to rotate clockwise around the latch support 15 fixed on the car body until the clamping groove on the latch body 13 is clamped into the cylindrical surface at the top end of the vertical connecting rod 6 rotated to the limit position, at the moment, the long waist hole at one end of the pull rod 16 hinged with the latch body 13 tightens the upper crank 17, so that the upper crank 17 cannot rotate anticlockwise, the C surface of the latch body 13 is at the horizontal position, the lock body 13 can not continue to rotate clockwise under the blocking of the vertical connecting rod 6 at the limit position, the purpose that the upper surface of the L-shaped structure of the lock body 13 is always at the horizontal position is realized, the external force is applied to enable the operation lock body 14 to rotate clockwise around the lock pressing support 18 fixed on the vehicle body, the first attaching part 21 of the lock body 14 is gradually contacted with the upper surface of the L-shaped structure of the lock body 13, the external force is continuously applied to force the first attaching part 21 of the lock body 14 to completely attach the first attaching part 21 of the lock body 14 to the upper surface of the L-shaped structure of the lock body 13 by bypassing a certain distance with the upper surface of the L-shaped structure of the lock body 13, the second attaching part 22 of the lock body 14 is contacted with the surface of the lock body 13 in the vertical direction, at the moment, the first attaching part 21 of the lock body 14 is subjected to the vertical upward force applied to the lock body 13 by the cylindrical surface at the top end of the vertical connecting rod 6, the upper surface of the L-shaped structure of the lock catch body 13 is located at the left side of the rotation center of the lock catch body 14, the first attaching portion 21 of the lock catch body 14 is only forced to rotate clockwise by the vertical upward force, the second attaching portion 22 of the lock catch body 14 is in contact with the right end of the lock catch body 13, the lock catch body 14 is prevented from rotating clockwise, and in this position, the whole side door transmission mechanism and the lock catch body 13 and the lock catch body 14 are in a balanced state, and locking of the side door and the transmission structure is completed.
In the opening process of the side door opening and closing device, a rotation moment is applied to the pressing lock body 14, the pressing lock body 14 is operated to rotate anticlockwise around the pressing lock support 18, the first attaching part 21 of the pressing lock body 14 is forced to rotate anticlockwise, the upper surface of the L-shaped structure of the buckling lock body 13 is rotated clockwise to descend by a certain distance, the first attaching part 21 of the pressing lock body 14 is completely separated from the upper surface of the L-shaped structure of the buckling lock body 13, the rotation restriction of the pressing lock body 14 on the buckling lock body 13 is released, the buckling lock body 13 can rotate anticlockwise around the buckling lock support 15 fixed on a vehicle body, when the buckling lock body 13 rotates anticlockwise, the rotation restriction on the upper crank 17 is released through a long slot hole at the other end of the pull rod 16 hinged with the buckling lock body 13, and meanwhile, the clamping groove on the buckling lock body 13 is separated from the cylindrical surface at the top end of the vertical connecting rod 6, and the rotation restriction on the opposite connecting rod 6 is released, so that the whole side door opening and closing mechanism is unlocked.
At this time, the upper transmission shaft 1 drives the connecting rod 4 to move to the outside of the vehicle body, the vertical connecting rod 6 rotates clockwise to the outside of the vehicle body to drive the side door pressing lock crank 9 fixed on the lower transmission shaft 7 to rotate to the outside direction of the vehicle body, and separate from the bearing plate 12 fixed on the side door 10 to unlock the closing of the side door, and the side door 10 rotates around the side door hinge 11 to the outside of the vehicle body under the elasticity of the sealing rubber strip 20 or the side pressure of the goods in the vehicle to finish the opening of the side door.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. A railroad hopper car side door opening and closing device, comprising:
the side door pressing mechanism comprises a lower transmission shaft arranged below the side door, and a side door pressing lock crank is arranged on the lower transmission shaft;
the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, wherein the upper transmission shaft is rotationally arranged at the upper part of the railway hopper car, one end of the vertical connecting rod is connected with the lower transmission shaft, the upper transmission shaft is connected with the middle part of the vertical connecting rod through a first transmission structure, and the lower transmission shaft can be driven to rotate when the upper transmission shaft rotates so that the side door press lock crank is pressed against the bottom of the side door;
the locking mechanism comprises a locking body, a first end of the locking body is hinged to the railway hopper car, a second end of the locking body is provided with a lock hook, a third end of the locking body is connected with the upper transmission shaft through a second transmission structure, and the locking body can be driven to rotate around the first end when the upper transmission shaft rotates so that the lock hook clamps the other end of the vertical connecting rod.
2. The railroad hopper car side door opening and closing device as set forth in claim 1, further comprising a pressing lock body having one end hinged to the railroad hopper car and the other end capable of restricting movement of the latch body when the side door is pressed.
3. The side door opening and closing device for a railway hopper car according to claim 1, wherein side doors on two sides of the railway hopper car are respectively provided with a side door opening and closing device for the railway hopper car, a floor of the railway hopper car is provided with an upper bearing, the upper transmission shaft is rotatably connected with the upper bearing, the upper transmission shaft is provided with a duplex lever, and two ends of the first transmission structure, which are close to each other, are respectively hinged with two ends of the duplex lever.
4. The side door opening and closing device for a railroad hopper car according to claim 3, wherein the first transmission structure comprises a link rod, one end of which is hinged to the double lever, a middle part of the vertical link rod is hinged to the other end of the link rod, and axial directions of the upper transmission shaft and the lower transmission shaft are parallel to each other.
5. The side door opening and closing device for a railroad hopper car as set forth in claim 1, wherein a lower bearing is provided on the railroad hopper car, and an end of the lower transmission shaft is connected to the lower bearing.
6. The side door opening and closing device for a railroad hopper car as set forth in claim 1, wherein the second transmission structure includes an upper crank and a pull rod, one end of the pull rod is provided with a long waist hole along a length direction thereof, one end of the upper crank is slidably engaged with the long waist hole, the other end of the upper crank is connected with the upper transmission shaft, and the other end of the pull rod is hinged with one end of the locking body.
7. The side door opening and closing device of a railroad hopper car according to claim 1, wherein the top of the side door is connected with the railroad hopper car through a side door hinge, the bottom of the side door is provided with a bearing plate along the length direction thereof, and one side of the bearing plate is matched with the side door press locking bell crank.
8. The side door opening/closing device for a railroad hopper car according to claim 1, wherein a bent portion is provided at a bottom of the side door, the bent portion is bent toward an inside of the railroad hopper car, and the bent portion is bonded to a floor of the railroad hopper car through a joint strip.
9. The side door opening and closing device for a railroad hopper car as set forth in claim 2, wherein the second end of the latch body has an L-shaped structure, and an inner side of the L-shaped structure is engaged with the other end of the vertical link.
10. The side door opening and closing device of a railroad hopper car as set forth in claim 9, wherein a C-shaped groove is provided at the other end of the press lock body adjacent to the latch body, a first attaching portion and a second attaching portion are provided at both ends of the C-shaped groove, respectively, and when the latch hook is caught with the other end of the vertical link, the first attaching portion and the second attaching portion are attached to the outer sides of two right-angle sides of the L-shaped structure, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210028561.7A CN114312870B (en) | 2022-01-11 | 2022-01-11 | Side door opening and closing device of railway hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210028561.7A CN114312870B (en) | 2022-01-11 | 2022-01-11 | Side door opening and closing device of railway hopper car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114312870A CN114312870A (en) | 2022-04-12 |
| CN114312870B true CN114312870B (en) | 2023-05-02 |
Family
ID=81027288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210028561.7A Active CN114312870B (en) | 2022-01-11 | 2022-01-11 | Side door opening and closing device of railway hopper car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114312870B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2008202910B2 (en) * | 2008-07-01 | 2011-12-01 | Cimc Rolling Stock Australia Pty Ltd | An improved discharge door system |
| CN101758830B (en) * | 2008-12-25 | 2013-11-06 | 南车长江车辆有限公司 | Side door control mechanism for railway automatic dumping car |
| CN103085823B (en) * | 2011-10-28 | 2015-07-08 | 齐齐哈尔轨道交通装备有限责任公司 | Bottom door handling mechanism, bottom door device and bottom-door hopper car |
| CN102991516B (en) * | 2012-12-06 | 2015-08-19 | 南车长江车辆有限公司 | Side door of wagon opening device |
| CN111498318A (en) * | 2020-04-21 | 2020-08-07 | 中车太原机车车辆有限公司 | Tipping self-discharging container |
| CN213391696U (en) * | 2020-07-20 | 2021-06-08 | 广西汽车集团有限公司 | Door opening and closing device, door opening and closing system and van |
-
2022
- 2022-01-11 CN CN202210028561.7A patent/CN114312870B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114312870A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3097869C (en) | System and method for powered railcar doors | |
| MXPA06002179A (en) | Railcar with discharge control system. | |
| CN201427582Y (en) | Head cover device of railway freight-car and grain hopper wagon of the head cover device | |
| CN111038535B (en) | Locking device and hopper car | |
| CN114312870B (en) | Side door opening and closing device of railway hopper car | |
| CN201472215U (en) | Garbage can rear door device of garbage transfer vehicle | |
| CN202413804U (en) | Truck bottom door opening-closing mechanism suitable for bulk materials | |
| CN111038534B (en) | Bottom door opening and closing mechanism and hopper car | |
| CN113665604B (en) | Bottom door opening device of railway wagon | |
| US5488911A (en) | Compactable self-ejecting refuse car | |
| US10767409B2 (en) | Overhead door rotating seal | |
| CN110203234A (en) | Cover device and railway freight-car | |
| WO2018068553A1 (en) | Hopper car | |
| CN206306905U (en) | Self-discharging semitrailer | |
| CN207433352U (en) | A kind of multidirectional dumper for opening and closing dumper tailgate and there is the tailgate | |
| CN115288537B (en) | Unpowered split watertight porthole | |
| CN204871040U (en) | Railway grain car loading flap ground opening device | |
| CN219770731U (en) | Discharging system | |
| US11713061B2 (en) | Hopper railroad car having top hatch cover assembly | |
| CN219770732U (en) | container | |
| US20230113865A1 (en) | Hopper railroad car having top hatch cover assembly | |
| CN215096963U (en) | Sanitation car back door seal structure | |
| CN114620080B (en) | Railway hopper car unloading mechanism for unloading in and out of track and hopper car | |
| CN220785566U (en) | A slide structure that is used for supplementary blanking of side turning on one's side freight train side door | |
| US20230331468A1 (en) | Top door system for a top-loadable cargo container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |