CN114312870A - Side door opening and closing device of railway hopper car - Google Patents
Side door opening and closing device of railway hopper car Download PDFInfo
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- CN114312870A CN114312870A CN202210028561.7A CN202210028561A CN114312870A CN 114312870 A CN114312870 A CN 114312870A CN 202210028561 A CN202210028561 A CN 202210028561A CN 114312870 A CN114312870 A CN 114312870A
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- side door
- transmission shaft
- hopper car
- lock
- connecting rod
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- 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
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Abstract
The invention discloses a railway hopper car side door opening and closing device, which relates to the field of railway freight cars and comprises: the side door pressing mechanism comprises a lower transmission shaft arranged below the side door, and a side door pressing locking crank is arranged on the lower transmission shaft; the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, the upper transmission shaft is rotatably arranged at the upper part of the railway hopper car, one end of the vertical connecting rod is connected with a 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 pressure lock crank compresses the bottom of the side door; the locking mechanism comprises a lock body, a first end of the lock body is hinged to the railway hopper car, a lock hook is arranged at a second end of the lock body, a third end of the lock body is connected with the upper transmission shaft through a second transmission structure, and the lock body can be driven to rotate around the first end when the upper transmission shaft rotates, so that the lock hook can be clamped at 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 wagons, and particularly relates to a side door opening and closing device of a railway hopper wagon.
Background
The railway hopper car is used as a railway vehicle for bearing railway transportation, and is mainly used for transporting bulk cargos such as coal, ore, grain and the like due to the advantages of high unloading efficiency, low ground facility investment and the like. The car body is in a funnel shape with large upper part and small bottom, the goods can be unloaded from the unloading opening at the bottom or the side part of the funnel by means of the self weight of the goods, the unloading opening is provided with a bottom door or a side door, and a set of bottom door opening and closing mechanism is used for controlling the opening and closing of the bottom door or the side door to complete the unloading operation.
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 to open and close the bottom door or the side door by compressed air or manpower. The bottom door or side door opening and closing mechanism of the railway hopper car is required to have good locking reliability and stable operation performance so as to avoid the problems that the bottom door or side door opening and closing mechanism fails due to the interference between the opening and closing mechanism and a car body and other factors after parts of the car are worn in the actual application process, the bottom door or the side door cannot be opened and closed, the loading and unloading time is wasted, and the car cannot be used; or the bottom door or the side door can be automatically opened due to vehicle bumping, vibration and the like, so that the leakage of goods 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.
In order to achieve the above object, the present invention provides 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 locking crank is arranged on the lower transmission shaft;
the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, the upper transmission shaft is rotatably 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 pressure lock crank is pressed on the bottom of the side door;
the locking mechanism comprises a lock body, wherein the first end of the lock body is hinged to the railway hopper car, the second end of the lock body is provided with a lock hook, the third end of the lock body is connected with the upper transmission shaft through a second transmission structure, and the upper transmission shaft can drive the lock body to rotate around the first end so that the lock hook is clamped at the other end of the vertical connecting rod.
Optionally, the door lock further comprises a lock body, one end of the lock body is hinged to the railway hopper car, and the other end of the lock body can limit the movement of the lock body when the side door is pressed tightly.
Optionally, the two side doors of the railway hopper car are respectively provided with a railway hopper car side door opening and closing device, the floor of the railway hopper car is provided with an upper bearing, an upper transmission shaft is rotatably connected with the upper bearing, the upper transmission shaft is provided with a duplex lever, and one ends of the two first transmission structures, which are close to each other, are respectively hinged to two ends of the duplex lever.
Optionally, the first transmission structure includes a connecting rod, one end of the connecting rod is hinged to the duplex lever, and the middle of the vertical connecting rod and the other end of the connecting rod are hinged to the upper transmission shaft and the lower transmission shaft, which are parallel to each other in axial direction.
Optionally, a lower bearing is arranged on the railway hopper car, and an end of the lower transmission shaft is connected with the lower bearing.
Optionally, the second transmission structure includes an upper crank and a pull rod, a long waist hole is formed in one end of the pull rod along the length direction of the pull rod, one end of the upper crank is in sliding fit 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 to one end of the lock buckle body.
Optionally, the top of side door through the side door fold paper with the railway hopper car is connected, the bottom of side door is provided with the pressure-bearing board along its length direction, one side of pressure-bearing board with the side door is pressed the lock crank and is cooperateed.
Optionally, the bottom of the side door is provided with a bending portion, the bending portion is bent towards the inside of the railway hopper car, and the bending portion is attached to the floor of the railway hopper car through a sealing rubber strip.
Optionally, the second end of the padlock body is an L-shaped structure, and the inner side of the L-shaped structure is matched with the other end of the upright connecting rod.
Optionally, press the lock body to be close to the other end of 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, work as the latch hook with when the other end of upright connecting rod blocked, first laminating portion with second laminating portion respectively with the outside on two right-angle sides 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, can rotate the upper transmission shaft in a pneumatic or manual mode and the like, drives the lower transmission shaft to drive the side door pressure lock crank of the hopper car to rotate, realizes the opening and closing of the side door of the railway hopper car, and has simple structure, convenient operation and labor saving;
2. the side door closing device realizes simultaneous locking of the upper transmission shaft and the lower transmission shaft by using the binding surfaces of the lock pressing body and the lock buckling body in a self-locking mode of eccentric amount, has high locking reliability and high application safety, and can effectively avoid the phenomenon of cargo leakage caused by automatic opening of the side door due to poor locking of the transmission mechanism in the operation process of the hopper car;
3. the bending part at the lower part of the side door plate in the side door closing device is bent 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 sealing performance of the lower side door in the closing state of the side door is improved, the impact or abrasion of goods on 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 above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 is a schematic side door closure for a railroad hopper car according to one embodiment of the present invention, shown in the side door closed configuration.
Fig. 2 shows a left side view of the hidden upper bearing of fig. 1.
FIG. 3 is a schematic side door opening and closing device for a railroad hopper car according to one embodiment of the present invention.
Fig. 4 shows a left side view of the hidden upper bearing of fig. 3.
FIG. 5 shows a partial enlarged view of a side door bottom with the side door closed according to one embodiment of the present invention.
Figure 6 shows a schematic structural view of a lock body according to one embodiment of the invention.
Figure 7 shows a first state view of the lock compression body and the lock hasp body with the side doors closed according to one embodiment of the present invention.
Figure 8 illustrates a second state of the lock compression body and the lock hasp body with the side doors closed according to one embodiment of the present invention.
Figure 9 shows a third state view of the lock compression body and the lock hasp body with the side doors closed according to one embodiment of the present invention.
Description of reference numerals:
1. an upper drive shaft; 2. an upper bearing; 3. a duplex lever; 4. a connecting rod; 5. a bending part; 6. a vertical connecting rod; 7. a lower transmission shaft; 8. a lower bearing; 9. locking a crank throw by pressing a side door; 10. a side door; 11. a side door hinge; 12. a pressure bearing plate; 13. a lock body is buckled; 14. pressing the lock body; 15. a support is locked; 16. a pull rod; 17. an upper crank throw; 18. pressing the lock support; 19 side door panels; 20. sealing rubber strips; 21. a first bonding portion; 22. a second bonding portion.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by 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 railway 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 locking crank is arranged on the lower transmission shaft;
the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, the upper transmission shaft is rotatably arranged at the upper part of the railway hopper car, one end of the vertical connecting rod is connected with a 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 pressure lock crank compresses the bottom of the side door;
the locking mechanism comprises a lock body, a first end of the lock body is hinged to the railway hopper car, a lock hook is arranged at a second end of the lock body, a third end of the lock body is connected with the upper transmission shaft through a second transmission structure, and the lock body can be driven to rotate around the first end when the upper transmission shaft rotates, so that the lock hook can be clamped at the other end of the vertical connecting rod.
Specifically, the side door opening and closing device drives the first transmission structure and the second transmission structure to lock and lock the side door through the rotation of the upper transmission shaft, and has the advantages of simple structure, convenience and labor saving in operation; when the side door is closed, the upper transmission shaft drives the pressure lock body to lock the vertical connecting rod, a first transmission structure is prevented from loosening, and the side door can be effectively prevented from being automatically opened to cause leakage of goods.
Optionally, the side door locking device further comprises a locking body, one end of the locking body is hinged to the railway hopper car, and the other end of the locking body can limit the movement of the locking body when the side door is pressed tightly.
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 enabled to be locked through the vertical connecting rod all the time, and the reliability and the safety of locking the side door are improved.
Optionally, the two side doors of the railway hopper car are respectively provided with a railway hopper car side door opening and closing device, the floor of the railway hopper car is provided with an upper bearing, an upper transmission shaft is rotatably connected with the upper bearing, the upper transmission shaft is provided with a duplex lever, and the ends, close to each other, of the two first transmission structures are respectively hinged with the two ends of the duplex lever.
Specifically, this side door switching device sets up in the bottom of hopper car both sides, does not influence the goods load capacity and the structural space 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 realizes normal running fit with upper portion transmission shaft, when the hopper car side door needs the switching, only needs to rotate upper portion transmission shaft and can accomplish the operation, and convenient operation is laborsaving.
The upper transmission shaft and the lower transmission shaft are arranged in parallel, and the dual lever between the two transmission shafts, the connecting rod and the vertical connecting rod are hinged with each other, so that when the first transmission structure is required to realize the compression of the side doors on two sides, the operation can be finished only by clockwise rotating the upper transmission shaft, and the operation is simple and convenient; the vertical connecting rod is arranged outside the side doors on two sides, and a plurality of side door pressure locking crank throws are uniformly distributed on the vertical connecting rod, when the upper transmission shaft rotates clockwise, the lower transmission shaft can drive the side door to press the locking crank throw to apply inward pressure to the outside of the side door so as to enable the side door to be compressed, and the stress of the side door is uniform, so that the sealing performance of the side door can be improved.
Optionally, the first transmission structure includes a connecting rod, one end of the connecting rod is hinged to the dual lever, the middle of the vertical connecting rod is hinged to 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, a duplex lever is arranged at a position, between two upper bearing seats, of an upper transmission shaft, the middle of the duplex lever is connected with the upper transmission shaft to realize synchronous rotation, two ends of the duplex lever are respectively connected with a first transmission structure, the first transmission structures on two sides are driven by the rotation of the upper transmission shaft to realize the locking of the side doors on two sides, and the sealing performance of the hopper car is improved.
Optionally, the railway hopper car is provided with a lower bearing, and the end part of the lower transmission shaft is connected with the lower bearing.
Specifically, the lower bearings are arranged at two ends of the lower surface of the floor of the hopper car along the length direction respectively, and the lower bearings are connected with the end parts of the lower transmission shaft to fix the lower transmission shaft.
Optionally, the second transmission structure comprises an upper crank and a pull rod, a long waist hole is formed in one end of the pull rod along the length direction of the pull rod, one end of the upper crank is in sliding fit 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 to one end of the lock buckle body.
Optionally, the top of the side door is connected with a railway hopper car through a side door hinge, a pressure bearing plate is arranged at the bottom of the side door along the length direction of the side door, and one side of the pressure bearing plate is matched with a side door pressure locking crank.
Specifically, the top of the side door is connected with the hopper car through a side door hinge, when a side door is pressed inwards by a side door pressure locking crank, the side door can rotate along the side door hinge to be compressed, and when the side door pressure locking crank does not press inwards the side door, the side door can rotate along the side door hinge under the side pressure of goods in the hopper car to be opened; the bottom of the side door is provided with a bearing plate, and the outer side of the bearing plate is pressed by the side door to lock the crank, so that the side door is driven to be attached to the inner side of the hopper car, and the hopper car is closed.
Optionally, the bottom of the side door is provided with a bending part, the bending part is bent towards the inside of the railway hopper car, and the bending part is attached to the floor of the railway hopper car through a sealing rubber strip.
Specifically, the bottom at hopper car side door is provided with the portion of bending, and the portion of bending is to the inboard bending of hopper car, 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 padlock body is an L-shaped structure, and the inner side of the L-shaped structure is matched with the other end of the vertical connecting rod.
It is specific, still be provided with the crank on the transmission shaft of upper portion, the one end of going up the crank drives down at the transmission shaft of upper portion, the other end of going up the crank slides in the long waist hole of pull rod, make the pull rod form the change of vertical direction, just so can make the padlock body form lever effect, when the pull rod up-movement, the other end downstream that can drive the padlock body cooperates with the top joint of upright connecting rod, top horizontal direction and the vertical direction of the one end opposite connecting rod through the L shape structure of padlock body all restrict, mutually supporting with the transmission shaft of lower part, spacing locking is carried out to the rotation direction of opposite connecting rod, can avoid the hopper car to appear locking side door bad and cause the phenomenon that the goods was revealed at the operation in-process like this.
Optionally, the other end of the pressing lock body close to the buckling lock body is provided with a C-shaped groove, the two ends of the C-shaped groove are respectively provided with a first attaching portion and a second attaching portion, and when the latch hook is clamped with the other end of the vertical connecting rod, the first attaching portion and the second attaching portion are respectively attached to the outer sides of the two right-angle sides of the L-shaped structure.
Specifically, the upper portion and the lower part of padlock body are provided with respectively presses lock body and found the connecting rod, at the rotation of padlock body and found the connecting rod at upper portion transmission shaft under, when locking the side door, press the lock body and receive under the exogenic action, the pressfitting is on the upper portion of padlock body, two laminating portions through pressing the C shape recess both ends of lock body carry on spacingly to the L shape structure outside of padlock body, the surface laminating that is in the horizontal direction through first laminating portion and L shape structure compresses tightly, when the padlock body is pressed down the certain distance, second laminating portion compresses tightly the laminating with the surface that L shape structure is in the vertical direction of water, press the lock body just so firmly to press the padlock body and press on the connecting rod immediately, avoid standing the connecting rod to appear rotating and lead to the hopper car side door not hard up the condition of opening appearing when closing, cause the goods to reveal.
Examples
As shown in fig. 1 to 9, the present invention provides a railroad hopper car side door opening and closing device, comprising:
the side door pressing mechanism comprises a lower transmission shaft 7 arranged below the side door, and a side door pressing locking 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 rotatably 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 pressure lock crank 9 is pressed on the bottom of a side door 10;
locking mechanism, including lock body 13, lock body 13's first end articulates on railway hopper car, and lock body 13's second end is provided with the latch hook, and lock body 13's third end passes through the second transmission structure to be connected with upper portion transmission shaft 1, can drive lock body 13 and rotate around first end when upper portion transmission shaft 1 rotates and make the latch hook block the other end of upright connecting rod 6.
In this embodiment, the door lock further comprises a lock pressing body 14, one end of the lock pressing body is hinged to the railway hopper car, and the other end of the lock pressing body 14 can limit the movement of the lock buckling body 13 when the side door 10 is pressed.
In this embodiment, the two side doors of the railway hopper car are respectively provided with a railway hopper car side door opening and closing device, the floor of the railway hopper car is provided with an upper bearing 2, an upper transmission shaft 1 is rotatably connected with the upper bearing 2, the upper transmission shaft 1 is provided with a duplex lever 3, and the mutually close ends of the two first transmission structures are respectively hinged with two ends of the duplex lever 3.
In this embodiment, the first transmission structure comprises a connecting rod 4, one end of which is hinged with the dual-link lever 3, the middle part of the vertical connecting rod 6 is hinged with the other end of the connecting rod 4, and the axial directions of the upper transmission shaft 1 and the lower transmission shaft 7 are parallel to each other.
In the embodiment, the railway hopper car is provided with a lower bearing 8, and the end part of the lower transmission shaft 7 is connected with 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 to one end of the latch 13.
In the embodiment, the top of the side door 10 is connected with a railway hopper car through a side door hinge 11, a pressure bearing plate 12 is arranged at the bottom of the side door 10 along the length direction of the side door, and one side of the pressure bearing plate 12 is matched with a side door pressure locking crank 9.
In the present embodiment, the bottom of the side door 10 is provided with a bent portion 5, the bent portion 5 is bent toward the inside of the railway hopper car, and the bent portion 5 is attached to the floor of the railway hopper car by the bead 20.
In this embodiment, the second end of the locking body 13 is an L-shaped structure, and the inner side of the L-shaped structure is matched with the other end of the vertical connecting rod 6.
In this embodiment, the other end of the lock pressing body 14 close to the lock buckling body 13 is provided with a C-shaped groove, 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 latch hook is clamped with the other end of the upright 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 conclusion, in the locking process of the side door opening and closing device, a rotating torque is applied to the upper transmission shaft 1 to drive the upper transmission shaft 1 to rotate clockwise in the upper bearing 2, the rotation of the upper transmission shaft 1 drives the dual lever 3 to rotate clockwise, the dual lever 3 rotates clockwise to enable the connecting rod 4 hinged with the dual 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 vertical connecting rod 6 rotates to drive the lower transmission shaft 7 to rotate anticlockwise in the lower bearing 8, the side door pressure locking crank 9 fixedly connected with the lower transmission shaft 7 rotates anticlockwise towards the inner side of the vehicle body, the side door pressure locking crank 9 is pressed against the bearing plate 12 fixed on the side door 10, the side door 10 is driven to rotate towards the inner side of the vehicle body around the side door hinge 11, the outer surface of the side door 10 is covered with the side door panel 19, so that the side door panel 19 compresses the sealing rubber strip 20 fixed on the vehicle body until the side door panel 19 is closely attached to the vehicle body, and the closing and compressing of the side door 10 are realized.
As shown in fig. 7 to 9, the padlock body 13 and the lock pressing body 14 are respectively fixed on the hopper car through a padlock support 15 and a lock pressing support 18, the upper transmission shaft 1 rotates clockwise and is linked with the lower transmission shaft 7 to rotate to close the side door 10, the upper crank 17 fixedly connected to the upper transmission shaft 1 rotates clockwise, when the upper transmission shaft 1 rotates until the side door 10 is at the closed position, the vertical connecting rod 6 rotates to the extreme position and cannot rotate counterclockwise, the upper crank 17 correspondingly rotates to the locking position, the padlock body 13 is operated to rotate clockwise around the padlock support 15 fixed on the car body until the clamping groove on the padlock body 13 is clamped into the cylindrical surface at the top end of the vertical connecting rod 6 rotating to the extreme position, at this time, the long waist hole at one end of the pull rod 16 hinged with the padlock body 13 strains the upper crank 17 and cannot rotate counterclockwise, and the C surface of the padlock body 13 is at the horizontal position, the lock body 13 can not rotate clockwise under the stop of the vertical connecting rod 6 at the limit position, so as to achieve the purpose that the upper surface of the L-shaped structure of the lock body 13 is always in a horizontal position, external force is applied to enable the operation lock pressing body 14 to rotate clockwise around the lock pressing support 18 fixed on the vehicle body, the first attaching part 21 of the lock pressing body 14 is gradually contacted and pressed 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 pressing body 14 to bypass a certain distance with the upper surface of the L-shaped structure of the lock body 13, the first attaching part 21 of the lock pressing body 14 is completely attached with the upper surface of the L-shaped structure of the lock body 13, the second attaching part 22 of the lock pressing body 14 is contacted with the surface of the lock body 13 in the vertical direction, and at the moment, the first attaching part 21 of the lock pressing body 14 bears the vertical upward force applied to the lock body 13 by the cylindrical surface of the vertical connecting rod 6, the upper surface of the L-shaped structure of the padlock body 13 is already positioned on the left side of the rotation center of the padlock body 14, the first attaching part 21 of the padlock body 14 is subjected to vertical upward force to only force the padlock body 14 to rotate clockwise, and the second attaching part 22 on the padlock body 14 is already contacted with the right end of the padlock body 13, so that the padlock body 14 is prevented from continuing to rotate clockwise.
In the opening process of the side door opening and closing device, a rotating 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 lock buckling body 13 rotates clockwise to descend for a certain distance, and the first joint part 21 of the lock pressing body 14 is completely separated from the upper surface of the L-shaped structure of the lock catch body 13, the rotation restriction of the lock pressing body 14 on the lock catch body 13 is released, the lock catch body 13 can rotate anticlockwise around a lock catch support 15 fixed on the vehicle body, when the lock catch body 13 rotates anticlockwise, the long slotted hole at the other end of the pull rod 16 which is hinged with the lock catch body 13 releases the rotation restriction of the upper crank throw 17, meanwhile, the clamping groove in the lock buckling body 13 is separated from the cylindrical surface at the top end of the vertical lever 6, and the rotation constraint of the opposite lever 6 is removed, so that the locking system unlocks the limitation of the whole side door opening and closing mechanism.
At the moment, the upper transmission shaft 1 drives the connecting rod 5 to move towards the outer side of the vehicle body, the vertical connecting rod 6 rotates clockwise towards the outer side of the vehicle body to drive the side door pressure locking crank 9 fixed on the lower transmission shaft 7 to rotate towards the outer side of the vehicle body, the side door pressure locking crank is separated from a pressure bearing plate 12 fixed on the side door 10 to unlock the closing of the side door, and the side door 10 rotates towards the outer side of the vehicle body around a side door folding seat 11 under the elasticity of a sealing rubber strip 20 or the pressure of goods in the vehicle, so that the opening of the side door is completed.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not 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 described embodiments.
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 locking crank is arranged on the lower transmission shaft;
the operating mechanism comprises an upper transmission shaft and a vertical connecting rod, the upper transmission shaft is rotatably 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 pressure lock crank is pressed on the bottom of the side door;
the locking mechanism comprises a lock body, wherein the first end of the lock body is hinged to the railway hopper car, the second end of the lock body is provided with a lock hook, the third end of the lock body is connected with the upper transmission shaft through a second transmission structure, and the upper transmission shaft can drive the lock body to rotate around the first end so that the lock hook is clamped at the other end of the vertical connecting rod.
2. The railroad hopper car side door opening and closing device of claim 1, further comprising a lock body having one end hinged to the railroad hopper car and the other end capable of limiting the movement of the lock body when the side door is compressed.
3. The railroad hopper car side door opening and closing device according to claim 1, wherein the two side doors of the railroad hopper car are respectively provided with a railroad hopper car side door opening and closing device, the floor of the railroad 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 dual lever, and the ends, close to each other, of the two first transmission structures are respectively hinged to two ends of the dual lever.
4. The railroad hopper car side door opening and closing device as in claim 3, wherein the first transmission structure comprises a connecting rod, one end of the connecting rod is hinged to the dual lever, the middle part of the vertical connecting rod is hinged to 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.
5. The railroad hopper car side door opening and closing device as claimed 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 the railway hopper car as claimed in claim 1, wherein the second transmission structure comprises an upper crank and a pull rod, one end of the pull rod is provided with a long waist hole along the length direction of the pull rod, one end of the upper crank is in sliding fit 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 to one end of the lock buckle body.
7. The railroad hopper car side door opening and closing device as claimed in claim 1, wherein the top of the side door is connected with the railroad hopper car through a side door hinge, a pressure bearing plate is arranged at the bottom of the side door along the length direction of the side door, and one side of the pressure bearing plate is matched with the side door pressure lock crank.
8. The side door opening and closing device for the railway hopper car as claimed in claim 1, wherein a bent portion is arranged at the bottom of the side door, the bent portion is bent towards the inside of the railway hopper car, and the bent portion is attached to the floor of the railway hopper car through a sealing rubber strip.
9. The railroad hopper car side door opening and closing device of claim 2, wherein the second end of the latch body is an L-shaped structure, and the inside of the L-shaped structure is engaged with the other end of the upright link.
10. The side door opening and closing device for the railroad hopper car as defined in claim 9, wherein a C-shaped groove is formed at the other end of the lock pressing body close to the lock fastening body, a first attaching portion and a second attaching portion are respectively formed at both ends of the C-shaped groove, and when the latch hook is fastened to the other end of the vertical connecting rod, the first attaching portion and the second attaching portion are respectively attached to the outer sides of two right-angle sides of the L-shaped structure.
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 |
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| CN114312870A true CN114312870A (en) | 2022-04-12 |
| CN114312870B CN114312870B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210028561.7A Active CN114312870B (en) | 2022-01-11 | 2022-01-11 | Side door opening and closing device of railway hopper car |
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| CN101758830A (en) * | 2008-12-25 | 2010-06-30 | 南车长江车辆有限公司 | Side door control mechanism for railway automatic dumping car |
| 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 |
| US20140216299A1 (en) * | 2011-10-28 | 2014-08-07 | Qiqihar Railway Rolling Stock Co., Ltd. | Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car |
| 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 |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2008202910A1 (en) * | 2008-07-01 | 2010-01-21 | Cimc Rolling Stock Australia Pty Ltd | An improved discharge door system |
| CN101758830A (en) * | 2008-12-25 | 2010-06-30 | 南车长江车辆有限公司 | Side door control mechanism for railway automatic dumping car |
| US20140216299A1 (en) * | 2011-10-28 | 2014-08-07 | Qiqihar Railway Rolling Stock Co., Ltd. | Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114312870B (en) | 2023-05-02 |
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