CN104163177A - Railway funnel vehicle bottom door opening and closing system - Google Patents
Railway funnel vehicle bottom door opening and closing system Download PDFInfo
- Publication number
- CN104163177A CN104163177A CN201410383561.4A CN201410383561A CN104163177A CN 104163177 A CN104163177 A CN 104163177A CN 201410383561 A CN201410383561 A CN 201410383561A CN 104163177 A CN104163177 A CN 104163177A
- Authority
- CN
- China
- Prior art keywords
- door
- closing
- bottom door
- activation lever
- open
- 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.)
- Pending
Links
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a railway funnel vehicle bottom door opening and closing system which comprises a bottom door, a bottom door opening and closing transmission mechanism, a door opening block and a door closing block. The bottom door and the bottom door opening and closing transmission mechanism are arranged on the bottom of a funnel vehicle, and the door opening block and the door closing block are arranged on the ground. The bottom door opening and closing transmission mechanism is provided with double four-bar linkage mechanisms with motion dead points. Each four-bar linkage mechanism comprises a support, a transmission shaft, a bottom door connecting rod and a drive lever, wherein the support, the transmission shaft, the bottom door connecting rod and the drive lever are fixed to the lower portion of a vehicle body. A U-shaped integrated lever structure driving in the two directions for opening or closing the bottom door is adopted in each drive lever. A control system for opening or closing the bottom door in the two directions is provided for an existing bottom door opening and closing mechanism, matching of a mechanism installed on the vehicle, and the door opening block and the door closing block in the forward direction and the reverse direction is utilized, the bottom door can be opened or closed automatically when the vehicle travels and enters an unloading field along the first position and the second position in any direction, manual operation is not needed, or no auxiliary power is needed, so that time for marshalling and unloading is saved, the application efficiency of the vehicle is improved, and the risk of maloperation is reduced.
Description
Technical field
The present invention relates to railway truck design and manufacturing technology field, especially belong to the design of railway truck automatically-controlled door and manufacturing technology field, particularly a kind of bottom door of railway hopper car open and close system.
Background technology
Railway fortune coal lorry bottom door opening and closing mechanism is owing to being subject to the restriction of vehicle structure and vehicle gauge, conventionally all can only be arranged on vehicle bottom or sidepiece, utilize pneumatic, hydraulic pressure, the mode such as automatically controlled to realize the switching of bottom door, in utilization, find that there are the following problems: complex structure, complicated operation, driving efficiency is low, deadweight is large, rate of discharging is low and manufacture, use the shortcomings such as maintenance cost height.Therefore, being necessary to design a kind of novel railway transports the operation efficiency of coal lorry bottom door opening and closing mechanism raising fortune coal lorry and reduces manufacture, utilization maintenance cost.
Railway fortune coal lorry bottom door open-close device mainly adopts " machete formula " switching mechanism, top locking-type switching mechanism, vertical open the door switching mechanism, quick-release type bottom door opening and closing mechanism at present.
The action principle of " machete formula " switching mechanism is: when pneumatic, the tooth bar that two way cylinder drive is contained in before it rotates gear, and the rotation of gear makes again the toggle linkage on transmission shaft rotate, and promotes bottom door pull bar, thereby realizes the switching of bottom door.But this mechanism's self-locking property is poor, in operational process, may cause bottom door from opening.
Top locking-type switching mechanism has increased by one and has crossed the connecting rod composition that just can open at dead point on " machete formula " switching mechanism basis, makes lock body be locked in assigned address, has formed secondary locking states.All there is the deficiencies such as complex structure, driving efficiency is low, deadweight is large, efficiency is low in above Liang Zhong mechanism, and while adopting above Liang Zhong mechanism, car body lower space can not get effective utilization, the heavy raising of the every linear meter(lin.m.) of restriction vehicle Specifeca tion speeification.
It is pneumatic that the vertical switching mechanism that opens the door can be realized wind control, also can realize automatically controlled pneumatic.Its action principle: when pneumatic, push rod chuck on double-acting cylinder is released to the right, drive actuating linkage composition to clockwise rotate around bearing seat composition, rotate counterclockwise around transmission shaft composition by connecting lever drives crank throw, promote to connect lever, hinged because of fulcrum block on connection lever and bottom door, left side bottom door is closed; Meanwhile, the rotation of transmission shaft composition drives the crank throw being fixed on transmission shaft also to rotate counterclockwise, and pulls connection lever that crank throw is rotated counterclockwise, thereby closes the two fan bottom doors on the right by connecting lever.The driving efficiency of this mechanism increases, and car body lower space is utilized effectively, heavy favourable to improving every linear meter(lin.m.).If adopt automatically controlledly when pneumatic, rate of discharging will be greatly improved, but still more complicated of mechanism structure.
Self lighting type bottom door opening and closing mechanism is made up of bottom door opening and closing mechanism and surface facility on vehicle.Its action principle: when vehicle forwards moves, first the side of opening the door runs into wayside equipment, by the side wheel that opens the door, opening lever is rotated along clockwise direction, drives transmission shaft to rotate, and crosses behind dead point in mechanism, and bottom door is opened dependence gravity automatically; Under door opening state, vehicle continues forwards operation pass reveal and runs into wayside equipment, makes to close door lever rotate along clockwise direction by the side wheel of closing the door, driving transmission shaft rotates, cross behind dead point in mechanism, adjust bearing by the side of opening the door and stop mechanism to be rotated further, realize bottom door and finally locate.This mechanism can realize fixing one direction run switch bottom door, each car of unit train all must be by one, two orders are neatly organized into groups, but when fortune coal lorry is in the time that marshalling station's marshalling direction is reverse contrary with surface facility installation, can not realize unloading, therefore, the direction that this mechanism enters unloading apron to fortune coal lorry is strict with, be unfavorable for transporting the raising of coal efficiency of wagon utilization, the efficiency of rail transportation system is had to considerable influence simultaneously, on the other hand, because vehicle can only unidirectionally be unloaded, loaded vehicle also can only unidirectional operation, therefore easily cause wheel eccentric wear, increase car inspection and maintenance work amount.
Chinese patent 03236004.5 discloses a kind of hopper van bottom door open/close mechanism, Chinese patent 201220443892.9 discloses a kind of railway truck bottom door switch apparatus, and Chinese patent application 201310238046.2 discloses a kind of railroad hopper formula lorry bottom door opening and closing mechanism.Above-mentioned each file all discloses different bottom door opening and closing mechanisms, but does not all solve the problem of aforementioned " machete formula " switching mechanism, top locking-type switching mechanism, vertical open the door switching mechanism, self lighting type bottom door opening and closing mechanism completely.
Summary of the invention
The present invention discloses a kind of bottom door of railway hopper car open and close system according to the deficiencies in the prior art.The problem to be solved in the present invention is to provide the positive and negative way traffic of a kind of railway hopper car and all can realizes the two-way bottom door opening and closing control system of unloading voluntarily of railway hopper car of automatic shutter.
The present invention is achieved through the following technical solutions:
Bottom door of railway hopper car open and close system, comprises the bottom door and the bottom door opening and closing transmission mechanism that are arranged at hopper car bottom, also comprises open the door gear and the pass door shield that are arranged at ground;
Bottom door opening and closing transmission mechanism is the double-four link mechanism that has motion dead point, comprise the bearing, transmission shaft, bottom door connecting rod and the activation lever that are fixed on car body bottom, bearing is for supporting shaft, on transmission shaft, fix two cover Double-end crank connecting rods, every cover Double-end crank connecting rod two ends are by bottom door connecting rod and bottom door interlock, and two cover activation lever are individually fixed in transmission shaft two ends and realize bottom door opening and closing for contacting rotating drive shaft with open the door gear or pass door shield;
It is characterized in that: described activation lever is that bi-directional drive realizes " U " shape integral type lever that opens and closes bottom door, " U " shape bottom of activation lever is connected and fixed with transmission shaft, and " U " shape crank levers is on one side the arm that opens the door, and the crank levers of another side is the arm of closing the door.
Described two cover activation lever are an activation lever and two activation lever that mirror image symmetry is fixed on transmission shaft two ends, and the open the door motion track of arm end and the distance of open the door gear longitudinal centerline and orbit centre of each activation lever is greater than each activation lever the close the door motion track of arm end and the distance of pass door shield longitudinal centerline and orbit centre.
Described each activation lever arm end that opens the door has and the roll roller that opens the door that contact of the gear that opens the door, and each activation lever arm end of closing the door has the roller of closing the door contacting with pass door shield; The activation lever at transmission shaft two ends all becomes to be greater than 0 degree overturning angle setting with ground.
The arm configuration of closing the door of above-mentioned transmission shaft two ends activation lever is identical, transmission shaft, the arm and close the door roller at grade of closing the door; Open the door arm and the transmission shaft of two activation lever, open the door roller at grade; An activation lever open the door arm and transmission shaft at grade, the roller that opens the door is fixed on the arm that opens the door by an elbow and is positioned at transmission shaft and plane below that the arm that opens the door forms.
On described bearing, be provided with for limiting the offside lever stop of activation lever.
Described bottom door length of connecting rod is adjustable.
Described pass door shield has the two-stage gradient, below the gradient be less than the gradient above.
The described gear that opens the door has two inclined-planes, the two inclined-planes gear vertex that opens the door forming that crosses.
At the bottom of described bottom door and hopper car, be provided with the bottom door spring that bottom door is applied to Self-locking moment.
On described bearing, be provided with for limiting bottom door open position bottom door stop.
Railway hopper car of the present invention can be realized the control of two way automatic shutter bottom door, control system makes vehicle enter unloading apron along any one party to travelling can realize automatic shutter bottom door, whole system, without manual operation or by any auxiliary power, can be avoided maloperation; System architecture compactness, simple and reliable; The railway hopper car of this bottom door opening and closing system is installed and can be exempted train by fixed-direction Arrange in groups, save the turn round time, empty, loaded vehicle all can travel along one, two any direction, avoids vehicle eccentric wear, empty, loaded vehicle all can travel along one, two any direction, avoids vehicle eccentric wear.
Bottom door transmission device is a set of double-four link mechanism, rotates realization interlock and opens, closes bottom door by same transmission shaft; Mechanism's self-locking is the opposing torque that relies on the lever stop of the bearing on vehicle body bottom frame to produce, offset both sides bottom door and goods gravity produce and moment, bottom door connecting rod center extended line has offset with respect to center transmission shaft, makes bottom door and goods gravity form self-locking moment to transmission shaft; It is to rely on open the door roller and the surface facility of the U-shaped activation lever of the mechanism both sides gear that opens the door contact drive transmission shaft promotion bottom door that bottom door is opened, and crosses double-four link mechanism dead point, and opens voluntarily; It is to rely on the roller of closing the door of mechanism both sides U-shaped activation lever to close the moving transmission shaft of door shield contact zones with surface facility to rotate backward that bottom door is closed, and promotes bottom door and crosses mechanism dead point, and close voluntarily, completes locking until touch lever stop; For ensureing the safety of empty wagons mechanism self-locking, mounting spring on hopper car, applies Self-locking moment to bottom door, guarantees that bottom door do not open because vibrating the excessive dead point of crossing voluntarily in vehicle operating.
No matter vehicle is along forward or inverted running in the present invention, and bottom door opening and closing direction and transmission shaft rotation direction remain constant; Double-end crank connecting rod and bottom door connecting rod can ensure that the synchronous dead point of crossing of double-four link mechanism opens the door, and front and back bottom door open angle is approximate, lural discharge flow rate before and after not affecting.
Two the U-shaped activation lever in left and right, possess respectively open the door roller and the roller of closing the door, and open and close roller path of motion is in two different planes, and two planes are designed with spacing in the horizontal direction, open the door roller outside, and the roller of closing the door is interior; Vehicle forward operation is respectively with activation lever roller and two activation lever control roller mechanism switch gate of closing the door that opens the door, and adopts two activation lever roller and activation lever control roller mechanism switch gate of closing the door that opens the door when vehicle inverted running; When forward and reverse both direction operation, mechanism's operation is all smooth and coherent, the roller contact surface facility left side opening door shield that opens the door just can open the door, continue to travel forward, the roller contact surface facility right side of closing the door is closed after door shield and just can be closed the door, and one, two activation lever and surface facility coordinate on switch bottom gate logic and do not conflict, the shape of U-shaped activation lever, open and close door roller path of motion staggers, and can ensure, with surface facility, unnecessary contacting and cause door opening/closing sequence disorder do not occur.
Both sides activation lever all becomes to be greater than 0 degree overturning angle setting with ground, with vertical direction angle ψ, and ensures to open the door roller higher than the shelves of closing the door, and does not miss slamming door shield after bottom door is closed.Being obliquely installed one is to guarantee that switch gate moment direction always meets and rotates under the prerequisite requiring, and is conducive to increase the rotational angle of transmission shaft; The 2nd, ensure that two activation lever open and close roller axle center stay suitable diff-H at vertical direction, the roller that opens the door of two activation lever, higher than the shelves of closing the door, can ensure that the two can not contact; One, two activation lever roller axle center height of closing the door is consistent, can ensure that forward and reverse the travelling of vehicle all makes mechanism cross dead point at same pass door shield height to close the door.
The U-shaped activation lever arm shape of closing the door in both sides is identical; The arm that opens the door can be designed to difformity, an activation lever open the door arm and transmission shaft at grade, the roller that opens the door is fixed on the arm that opens the door by an elbow and is positioned at transmission shaft and the plane below of the arm formation of opening the door, while opening the door due to the arm that opens the door of an activation lever, be in the front of the roller that opens the door, the arm of avoiding opening the door opens the door to keep off with surface facility and contacts, and mechanism and surface facility produce movement interference.
Two bearing left and right mirror image symmetries on vehicle body bottom frame, two foundation door length of connecting rod need be checked through calculating, and a Shi Shi mechanism double-four link mechanism is crossed dead point simultaneously, and bottom door aperture is close, and the 2nd, make transmission shaft rotational angle as far as possible little, bottom door aperture is as far as possible large; The activation lever rotational angle that opens the door is not crossed vertical position, and θ at an angle, and lever stop and bottom door stop are for limiting the open and close position of mechanism and the rotational angle range ψ-θ of transmission shaft.Lever stop bolt length is adjustable, and two foundation door length of connecting rod are adjustable, is used for eccentric throw and the crack between a door and its frame thereof of regulating connecting rod center and center transmission shaft.Surface facility closes door shield and has the two-stage gradient, slow below, above steep, the bottom gradient need be less than open the door an activation lever and vertical direction angle theta, can make vehicle forward and reverse travel close the door roller with close door shield produce the moment direction of closing the door identical, make all the time transmission shaft rotate in the same direction.
One, two U-shaped activation lever installation sites and angle are with respect to car body longitudinal plane of symmetry mirror image symmetry; Surface facility open the door gear apart from orbit centre apart from l1 be greater than close door shield apart from orbit centre apart from l2, open and close door shield respectively only with Different Plane in open and close roller contact, evade unnecessary contact.
Surface facility gear vertex the open the door height of roller of U-shaped activation lever must not cross dead point lower than mechanism time that opens the door; Closing door shield vertex height must not be higher than after wheel wear, and height of car reduces, the close the door height of roller of mechanism's complete self-locking position U-shaped activation lever, and must not be higher than two activation lever roller height that opens the door; Close door shield bottom push rod spring is installed, spring stiffness and amount of compression can meet under new car wheeled vehicle height, and the roller of closing the door pushed up dead point.
Helpfulness of the present invention: the present invention is directed to existing bottom door opening and closing mechanism structure complexity, the problem such as take up room large, the unidirectional dead point switching mechanism of crossing is improved, a kind of control system that realizes double action opening and closing bottom door is proposed, utilization is arranged on the mechanism on vehicle and is fixed on opening of ground, just close door shield, the cooperation of anti-both direction, no matter vehicle is along one, two either directions are travelled and are entered unloading apron switch bottom door voluntarily, without manual operation or by any auxiliary power, train marshalling list and unloading time are not only saved, vehicle operation efficiency is provided, also reduce the risk of maloperation.
Brief description of the drawings
Fig. 1 is that forward of the present invention opens and closes bottom door schematic diagram;
Fig. 2 is that the present invention turns around to open and close bottom door schematic diagram;
Fig. 3 is double-four link mechanism self-locking of the present invention and opens and closes principle schematic
When Fig. 4 is the vehicle forward travel of bottom door opening and closing system of the present invention, activation lever roller that opens the door coordinates with the gear that opens the door the schematic diagram that opens the door;
Fig. 5 be the vehicle of bottom door opening and closing system of the present invention while turning around to travel two activation lever roller that opens the door coordinate with the gear that opens the door the schematic diagram that opens the door;
When Fig. 6 is the vehicle forward travel of bottom door opening and closing system of the present invention two activation lever close the door roller with close door shield and coordinate the schematic diagram of closing the door;
Fig. 7 be the vehicle of bottom door opening and closing system of the present invention while turning around to travel activation lever close the door roller with close door shield and coordinate the schematic diagram of closing the door;
Fig. 8 is that the mechanism of bottom door opening and closing system of the present invention is from the installing condition schematic diagram of lock-bit activation lever.
In figure: 1 is a U-shaped activation lever, the 2nd, bearing, the 3rd, bottom door, the 4th, bottom door connecting rod, the 5th, transmission shaft, the 6th, close door shield, 7 is two U-shaped activation lever, the 8th, and the gear that opens the door, the 9th, bottom door spring, the 10th, ground, A is vehicle operating direction, B is bottom door opening direction, F is roller stress moment, and R is transmission shaft rotation direction, and H is the distance on roller and ground of opening the door, h be open the door roller with close the door the diff-H of roller, D
1the eccentric throw of left bottom door connecting rod center and center transmission shaft, D
2the eccentric throw of right bottom door connecting rod center and center transmission shaft, l
1open the door gear longitudinal centerline and orbit centre distance, l
2it is the distance of closing door shield longitudinal centerline and orbit centre, ψ is close the door an activation lever and vertical direction angle, and θ is open the door an activation lever and vertical direction angle, and ψ-θ is transmission shaft rotational angle, 51 is the activation lever rollers of closing the door, 52 is the activation lever rollers that open the door, the 53rd, and bottom door stop, the 54th, lever stop, 55 is two activation lever rollers of closing the door, 56 is two activation lever rollers that open the door, the 57th, and Double-end crank connecting rod, the 58th, spring.
Detailed description of the invention
Below by embodiment, the present invention is specifically described; the present embodiment is only for being further detailed the present invention; but can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art makes according to the content of the invention described above and adjustment also belong to the scope of protection of the invention.
In conjunction with Fig. 1 to Fig. 8.
Bottom door of railway hopper car open and close system, comprises the bottom door 3 and the bottom door opening and closing transmission mechanism that are arranged at hopper car bottom, also comprises open the door gear 8 and the pass door shield 6 that are arranged at ground;
Bottom door opening and closing transmission mechanism is the double-four link mechanism that has motion dead point, comprise the bearing 2, transmission shaft 5, bottom door connecting rod 4 and the activation lever that are fixed on car body bottom, bearing 2 is for supporting shaft 5, on transmission shaft 5, fix two cover Double-end crank connecting rods 57, link by bottom door connecting rod 4 and bottom door 3 in every cover Double-end crank connecting rod 57 two ends, two cover activation lever are individually fixed in transmission shaft 5 two ends and realize bottom door opening and closing for contacting rotating drive shaft 5 with open the door gear 8 or pass door shield 6;
Activation lever is that bi-directional drive realizes " U " shape integral type lever that opens and closes bottom door, and " U " shape bottom of activation lever is connected and fixed with transmission shaft 5, and " U " shape crank levers is on one side the arm that opens the door, and the crank levers of another side is the arm of closing the door.
Two cover activation lever are an activation lever 1 and two activation lever 7 that mirror image symmetry is fixed on transmission shaft 5 two ends, the open the door distance l of rotary motion trace and gear 8 longitudinal centerlines and the orbit centre of opening the door of arm end of each activation lever
1be greater than each activation lever close the door arm end rotary motion trace and close the distance l of door shield 6 longitudinal centerlines and orbit centre
2.
Each activation lever arm end that opens the door has and gear 8 rollers 52,56 that open the door that contact that roll that open the door, and each activation lever arm end of closing the door has the roller 51,55 of closing the door contacting with pass door shield 6; Each activation lever all becomes to be greater than 0 degree overturning angle setting with ground, with vertical direction angle ψ.
The arm configuration of closing the door of each activation lever is identical, and each activation lever roller 51,55 of closing the door is coaxial; Roller 56 axle center of opening the door of two activation lever 7 are higher than transmission shaft 5 axle center; Roller 52 axle center of opening the door of an activation lever 1 are lower than transmission shaft 5 axle center, and the roller 52 that opens the door is fixed on and is opened the door on arm by a downward elbow.
On bearing 2, be provided with for limiting the offside lever stop 54 of activation lever.
Bottom door connecting rod 4 length are adjustable.
Close door shield 6 and there is the two-stage gradient, below the gradient be less than the gradient above, and be less than θ.
Shelves 6 afterbodys of closing the door have downward inclined-plane, the roller of closing the door by shelves 6 vertexs of closing the door after descending, until spring 58 discharges completely, for the bounce-back of release spring 58.
At the bottom of hopper car, be provided with the bottom door spring 9 that bottom door 3 is applied to Self-locking moment.
On bearing 2, be provided with for limiting bottom door open position bottom door stop 53.
As depicted in figs. 1 and 2, two the U-shaped activation lever in left and right, all possesses respectively open the door roller 52,56 and the roller 51,55 of closing the door, open the door roller 52,56 and roller 51,55 path of motions of closing the door not at same perpendicular, and the roller 52,56 that opens the door is distal to apart from vehicle center the roller 51,55 of closing the door;
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, activation lever adopts U-shaped structure, and the arm that opens the door that U-shaped arm forms is different from the arm lengths of closing the door, activation lever 1 arm that opens the door is designed to hook-shaped and curved downwards, 52, the 56 pairs of moments that transmission shaft 5 produces of roller of opening the door make all the time transmission shaft 5 rotate in the same direction and open bottom door 3,51, the 55 pairs of moments that transmission shaft 5 produces of roller of closing the door make transmission shaft 5 rotate and close bottom door 3 in the same direction all the time, turn to or hitch bar without any;
Each activation lever is fixed on transmission shaft 5 two ends, and installs with respect to vehicle center mirror image is symmetrical, and activation lever is rotated by transmission shaft 5 and driven Double-end crank 57 and double-four link mechanism thereof to rotate;
The gear 6 that opens the door is distal to and closes door shield 8 apart from orbit centre, and the gear 8 that opens the door can make mechanism rotate time can not roll 51,55 and take turns and contact with closing the door, and closes door shield 6 and does not contact with the roller 52,56 that opens the door;
Two U-shaped activation lever all becoming to be greater than 0 degree overturning angle with ground and install on transmission shaft 5, the roller 55 of closing the door that can make two activation lever is with the distance on ground lower than the roller 52 that opens the door, and the roller 55 that ensures to close the door leaves diff-H with the roller 52 that opens the door at vertical direction;
Open the door gear 8, close the height of the end of open the door when the height of door shield 6 all must not be crossed dead point lower than four-bar linkage respectively roller 52, the roller 55 of closing the door; Closing door shield 6 height must not be higher than the roller 56 that opens the door of two activation lever;
Symmetrical bearing 2, two foundation door connecting rods 4 of the lever stop 54 of adjustable length and different length are used for eccentric throw, the crack between a door and its frame at regulating connecting rod center and transmission shaft 5 centers; Two bottom door stops 53 are installed, for limiting bottom door 3 open angles and activation lever rotational angle on bearing 2;
Closing door shield 6 be the two-stage gradient, and the ratio of slope moment that roller 51,55 and pass door shield 6 produce that can ensure to close the door is prescribed direction; Close door shield 6 bottom spring 58 amount of compressions and can adapt to the minimum altitude of vehicle after wheel wear, spring 58 rigidity can produce the enough moment of closing the door under new car wheeled vehicle height.
Operation is described:
As Fig. 1 and Fig. 4, vehicle is by arrow A forward operation unloading, an activation lever 1 is opened the door, and roller 52 is first to be contacted with the gear 8 that opens the door, produce moment F as shown in Figure 4, drive transmission shaft 5 to rotate, double-four link mechanism is crossed dead point, bottom door 3 is opened naturally by self gravitation, bottom door 3 is stopped by bottom door stop 53, turn to position shown in Fig. 6, vehicle continues to overtake, two toggle linkages 7 of vehicle opposite side close the door roller 55 with close door shield 6 contact, produce moment F as shown in Figure 6, drive transmission shaft 5 and double-four link mechanism to rotate, the roller 55 of closing the door is climbed, until Ding Guo mechanism dead point, bottom door 3 leans on gravity reversal's rotating mechanism until stopped by lever stop 54, complete and close the door.
As Fig. 2 and 5, vehicle turns around to move unloading, two toggle linkages 7 open the door, and roller 56 is first to be contacted with the gear 8 that opens the door, produce moment F as shown in Figure 5, drive transmission shaft 5 to rotate, double-four link mechanism is crossed dead point, bottom door 3 is opened naturally by self gravitation, bottom door 3 is stopped by bottom door stop 53, turn to position shown in Fig. 7, vehicle continues to overtake, a toggle linkage 1 of vehicle opposite side close the door roller 51 with close door shield 6 contact, produce moment F shown in Fig. 7, drive transmission shaft 5 and double-four link mechanism to rotate, the roller 51 of closing the door is climbed, until Ding Guo mechanism dead point, bottom door 3 leans on gravity reversal's rotating mechanism until stopped by lever stop 54, complete and close the door.
Moment F direction that what both direction travelled open the door is identical, and the moment of closing the door F direction is also identical.Owing to opening the door, roller 52,56 is farther apart from vehicle center, and the gear 8 that opens the door is accordingly also farther apart from pass door shield 6, and the roller 51,55 of closing the door when vehicle operating and activation lever are rotated can be avoided opening the door and keep off 8, avoids unnecessary contact.
As shown in Figure 8, two activation lever 7 are opened the door roller 56 axle center higher than grade vertex of closing the door, so oppositely at closing time, the roller 52 that opens the door can not contact with vertex vertex.
The above was the optimum way that dead point bottom door open-close device is realized double action opening and closing bottom door; may utilize the principle of the invention to do the retouching of the forms such as name modifications, installation site exchange, material improvement, structural Shape Optimization for the designer in the design field, any retouching on this basis and optimization are all in protection domain of the present invention.
Claims (9)
1. a bottom door of railway hopper car open and close system, comprises the bottom door and the bottom door opening and closing transmission mechanism that are arranged at hopper car bottom, also comprises open the door gear and the pass door shield that are arranged at ground;
Bottom door opening and closing transmission mechanism is the double-four link mechanism that has motion dead point, comprise the bearing, transmission shaft, bottom door connecting rod and the activation lever that are fixed on car body bottom, bearing is for supporting shaft, on transmission shaft, fix two cover Double-end crank connecting rods, every cover Double-end crank connecting rod two ends are by bottom door connecting rod and bottom door interlock, and two cover activation lever are individually fixed in transmission shaft two ends and realize bottom door opening and closing for contacting rotating drive shaft with open the door gear or pass door shield;
It is characterized in that: described activation lever is that bi-directional drive realizes " U " shape integral type lever that opens and closes bottom door, " U " shape bottom of activation lever is connected and fixed with transmission shaft, and " U " shape crank levers is on one side the arm that opens the door, and the crank levers of another side is the arm of closing the door.
2. bottom door of railway hopper car open and close system according to claim 1, it is characterized in that: described two cover activation lever are an activation lever and two activation lever that mirror image symmetry is fixed on transmission shaft two ends, the open the door motion track of arm end and the distance of open the door gear longitudinal centerline and orbit centre of each activation lever is greater than each activation lever the close the door motion track of arm end and the distance of pass door shield longitudinal centerline and orbit centre.
3. bottom door of railway hopper car open and close system according to claim 2, is characterized in that: described each activation lever arm end that opens the door has and the roll roller that opens the door that contact of the gear that opens the door, and each activation lever arm end of closing the door has the roller of closing the door contacting with pass door shield; Each activation lever all becomes to be greater than 0 degree overturning angle setting with ground.
4. bottom door of railway hopper car open and close system according to claim 3, is characterized in that: the arm configuration of closing the door of each activation lever is identical, and the roller center of closing the door is coaxial; The roller center of opening the door of opening the door on arm of two activation lever is higher than center transmission shaft; The roller that opens the door of an activation lever is fixed on and is opened the door on arm by a downward elbow, and is positioned at center transmission shaft below.
5. bottom door of railway hopper car open and close system according to claim 4, is characterized in that: on described bearing, be provided with for limiting the offside self-locking stop of activation lever.
6. bottom door of railway hopper car open and close system according to claim 4, is characterized in that: described bottom door length of connecting rod is adjustable.
7. bottom door of railway hopper car open and close system according to claim 4, is characterized in that: described pass door shield has the two-stage gradient, below the gradient be less than the gradient above, the two-stage gradient is less than open the door position close the door arm and vertical direction angle.
8. bottom door of railway hopper car open and close system according to claim 4, is characterized in that: at the bottom of described hopper car, be provided with the bottom door spring that bottom door is applied to Self-locking moment.
9. bottom door of railway hopper car open and close system according to claim 4, is characterized in that: on described bearing, be provided with for limiting bottom door open position bottom door stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410383561.4A CN104163177A (en) | 2014-08-05 | 2014-08-05 | Railway funnel vehicle bottom door opening and closing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410383561.4A CN104163177A (en) | 2014-08-05 | 2014-08-05 | Railway funnel vehicle bottom door opening and closing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104163177A true CN104163177A (en) | 2014-11-26 |
Family
ID=51907216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410383561.4A Pending CN104163177A (en) | 2014-08-05 | 2014-08-05 | Railway funnel vehicle bottom door opening and closing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104163177A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216807A (en) * | 2015-11-12 | 2016-01-06 | 南车资阳机车有限公司 | The non-maintaining collision system of a kind of ore hopper car shedding mechanism |
| CN108225146A (en) * | 2017-12-08 | 2018-06-29 | 鞍山钢铁集团有限公司 | A kind of hopper wagon bottom door switching mechanism self-lock force arm measure device and measuring method |
| CN110562064A (en) * | 2018-06-05 | 2019-12-13 | 许继电气股份有限公司 | Electric automobile charging device and driving method of charging device protective cover |
| CN110816562A (en) * | 2019-12-09 | 2020-02-21 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | Hopper car bottom door opening mechanism |
| CN112277977A (en) * | 2019-07-25 | 2021-01-29 | 包头北方创业有限责任公司 | Transport vehicle for bulk goods |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010698A1 (en) * | 1999-08-11 | 2001-02-15 | Miner Enterprises, Inc. | Locking mechanism for a hinged railroad hopper car door |
| CN202743242U (en) * | 2012-08-07 | 2013-02-20 | 南车长江车辆有限公司 | Vehicle bottom door opening and closing device |
| CN203306015U (en) * | 2013-06-17 | 2013-11-27 | 包头北方创业股份有限公司 | Opening/closing mechanism for bottom doors of railway funneling wagon |
| CN203511652U (en) * | 2013-05-20 | 2014-04-02 | 南车长江车辆有限公司 | Bottom door opening and closing mechanism |
| CN103786735A (en) * | 2014-02-27 | 2014-05-14 | 齐齐哈尔轨道交通装备有限责任公司 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
| CN204037562U (en) * | 2014-08-05 | 2014-12-24 | 南车眉山车辆有限公司 | A kind of bottom door of railway hopper car open and close system |
-
2014
- 2014-08-05 CN CN201410383561.4A patent/CN104163177A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010698A1 (en) * | 1999-08-11 | 2001-02-15 | Miner Enterprises, Inc. | Locking mechanism for a hinged railroad hopper car door |
| CN202743242U (en) * | 2012-08-07 | 2013-02-20 | 南车长江车辆有限公司 | Vehicle bottom door opening and closing device |
| CN203511652U (en) * | 2013-05-20 | 2014-04-02 | 南车长江车辆有限公司 | Bottom door opening and closing mechanism |
| CN203306015U (en) * | 2013-06-17 | 2013-11-27 | 包头北方创业股份有限公司 | Opening/closing mechanism for bottom doors of railway funneling wagon |
| CN103786735A (en) * | 2014-02-27 | 2014-05-14 | 齐齐哈尔轨道交通装备有限责任公司 | Opening and closing drive device of wagon unloading door, wagon and ground unloading device |
| CN204037562U (en) * | 2014-08-05 | 2014-12-24 | 南车眉山车辆有限公司 | A kind of bottom door of railway hopper car open and close system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216807A (en) * | 2015-11-12 | 2016-01-06 | 南车资阳机车有限公司 | The non-maintaining collision system of a kind of ore hopper car shedding mechanism |
| CN108225146A (en) * | 2017-12-08 | 2018-06-29 | 鞍山钢铁集团有限公司 | A kind of hopper wagon bottom door switching mechanism self-lock force arm measure device and measuring method |
| CN110562064A (en) * | 2018-06-05 | 2019-12-13 | 许继电气股份有限公司 | Electric automobile charging device and driving method of charging device protective cover |
| CN110562064B (en) * | 2018-06-05 | 2023-06-23 | 许继电气股份有限公司 | Electric automobile charging device and driving method of charging device protective cover |
| CN112277977A (en) * | 2019-07-25 | 2021-01-29 | 包头北方创业有限责任公司 | Transport vehicle for bulk goods |
| CN112277977B (en) * | 2019-07-25 | 2024-05-03 | 包头北方创业有限责任公司 | Bulk cargo transport vehicle |
| CN110816562A (en) * | 2019-12-09 | 2020-02-21 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | Hopper car bottom door opening mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204037562U (en) | A kind of bottom door of railway hopper car open and close system | |
| CN104163177A (en) | Railway funnel vehicle bottom door opening and closing system | |
| CN103253279B (en) | Bottom door opening and closing system | |
| CN103786735B (en) | Opening and closing drive device of wagon unloading door, wagon and ground unloading device | |
| CN104325985A (en) | Bidirectional automatic unloading hopper car | |
| CN104401338B (en) | A kind of bottom door of railway hopper car open and close system | |
| CN104309614A (en) | One-way automatic-discharging hopper wagon | |
| CN204150041U (en) | A kind of unidirectional automatic unloading hopper car | |
| CN204264151U (en) | A kind of bottom door of railway hopper car open and close system | |
| CN101554873A (en) | Double-layer or multi-layer scalable foot-miss prevention plate Mechanism for removing clearance between rail transit carriage and platform | |
| CN203511652U (en) | Bottom door opening and closing mechanism | |
| CN204415393U (en) | A kind of bottom door of railway hopper car locking system | |
| CN104590292B (en) | Railway freight car door opening and closing system and two-stage locking device thereof | |
| CN209274601U (en) | A kind of railway freight box wagon automobile door structure | |
| CN103015828B (en) | Slider-crank mechanism principle-based opening and closing mechanism | |
| CN103264706B (en) | Bottom door opening and closing mechanism | |
| CN103802846B (en) | Wagon bottom door drive device, wagon and ground unloading system | |
| CN104648414B (en) | A kind of bottom door of railway hopper car locking system | |
| CN209274593U (en) | A kind of two sides unloading hopper wagon | |
| CN211075888U (en) | Open top cap is opened to full length side of railway hopper car | |
| CN204264150U (en) | A kind of two-way automatic unloading hopper car | |
| CN113665603B (en) | Railway hopper car track inboard unloading bottom door closing mechanism | |
| CN203332124U (en) | Wagon sliding embedded type door | |
| CN103273930A (en) | Method for opening and closing bottom door | |
| CN109398382A (en) | A kind of two sides unloading hopper wagon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141126 |
|
| RJ01 | Rejection of invention patent application after publication |