Summary of the invention
Object of the present invention is for providing the locking device of a kind of railway truck bottom door mechanism, and this locking device can surprisingly be opened Shi Dui mechanism automatic blocking at bottom door, prevents cargo leakage, and has cancelled manual operation, has improved work efficiency and security and stability.On this basis, another object of the present invention is for providing a kind of railway truck bottom door mechanism that applies above-mentioned locking device
For solving the problems of the technologies described above, the invention provides, the locking device of a kind of railway truck bottom door mechanism, described bottom door mechanism comprises pivoted arm, by its crank motion, drives meeting and discussing that described pivoted arm rotates; The tumbler that described locking device comprises the vertical push rod that is connected with described sliding, is rotatably connected with described pivoted arm, between described tumbler, described push rod, be connected with the actuator that drives described tumbler to rotate, also comprise the locating part that position is fixing, described pivoted arm or described tumbler are provided with passage;
When push rod and described pivoted arm described in the described jack-up of meeting and discussing not rotate along the direction of opening the door, described actuator drives described tumbler cannot enter the primary importance of described passage in described locating part; When described bottom door is normally closed, normally opened, described actuator drives described tumbler to turn to described locating part can pass the described passage second place.
Preferably, described tumbler is lock pin, the axis of described lock pin and the shaft parallel of described pivoted arm, and described lock pin is provided with shackle member and the attaching parts radially extending, and described actuator is inner to be connected with described attaching parts;
When push rod and described pivoted arm described in the described jack-up of meeting and discussing not turn to predetermined angle along the direction of opening the door, described shackle member is barred between described locating part and described passage; When described in the described jack-up of meeting and discussing, push rod and described pivoted arm do not rotate, described shackle member is rotated so that described locating part energy correspondence enters described passage, described in meet and discuss pivoted arm while rotating along the direction of opening the door, described locating part forward is through described passage; When described pivoted arm rotates along the direction of closing the door, described locating part collides described shackle member, oppositely passes after described passage, and described shackle member is barred between described locating part and described passage again.
Preferably, described actuator comprises traction piece and the first elastic component, and the outer end of described traction piece is connected with described push rod, inner and described attaching parts outside is connected, and the outer end of described the first elastic component is connected with described attaching parts inner side, the inner is connected with described pivoted arm.
Preferably, described actuator also comprises the track adjusting wheel of being located on described pivoted arm, and described track adjusting wheel is located at the downside of described pivoted arm, and before described in the described jack-up of meeting and discussing not, push rod and described pivoted arm rotate, described traction piece middle part is around to described track adjusting wheel bottom.
Preferably, described traction piece is steel rope.
Preferably, described actuator is the second elastic component, and the outer end of described the second elastic component is connected with described push rod, the inner is connected with described attaching parts.
Preferably, described locating part is cylinder, and described cylindrical axis is parallel with the axis of described rotating shaft.
Preferably, described attaching parts, described shackle member are the platy structure radially extending along described lock pin.
Preferably, described push rod below is provided with pulley, and described push rod is also provided with retracing spring outward, and described retracing spring one end is connected with described push rod, the other end is connected with described pivoted arm.
Adopt said structure, while producing unexpected trend of opening when bottom door et out of order, meet and discuss not jack-up push rod and pivoted arm while rotating along the direction of opening the door, actuator drives the position that tumbler cannot access passage in locating part, therefore this locating part and pivoted arm or tumbler interfere, and pivoted arm cannot be rotated further, and also cannot drive bottom door to open, play the locking effect to bottom door, prevent cargo leakage.And when bottom door is normally closed, normally opened, be that pivoted arm normally opens the door when direction is rotated or normally direction rotation is closed the door on edge on edge, actuator drives tumbler to turn to locating part can be through the position of passage, also remove the position-limiting action of limiting component to pivoted arm, made pivoted arm can normally control opening or closing of bottom door.As can be seen here, this locking device can surprisingly be opened Shi Dui mechanism automatic blocking at bottom door, prevents cargo leakage, compared with prior art, has cancelled manual operation, has improved work efficiency and security and stability.
In addition, the present invention also provides a kind of railway truck bottom door mechanism, comprises bottom door and the locking device being connected with described bottom door; Described locking device adopts the locking device of railway truck bottom door as above mechanism.
Because above-mentioned locking device has technique effect as above, therefore, comprise that the bottom door mechanism of the railway truck of this locking device also should have correspondingly technique effect, do not repeat them here.
The specific embodiment
Core of the present invention is for providing the locking device of a kind of railway truck bottom door mechanism, and this locking device can surprisingly be opened Shi Dui mechanism automatic blocking at bottom door, prevents cargo leakage, and has cancelled manual operation, has improved work efficiency and security and stability.On this basis, another core of the present invention is for providing a kind of railway truck bottom door mechanism that applies above-mentioned locking device.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
It should be noted that, the noun of locality " the inner " occurring herein refers to the one end near the rotating shaft 101 of pivoted arm 100, i.e. right-hand member in Fig. 1, and " outer end " refers to the one end away from rotating shaft 101, i.e. left end in Fig. 1; The rotation direction of required pivoted arm 100 when " direction of opening the door " refers to bottom door and open, i.e. clockwise direction in Fig. 1, when " direction of closing the door " bottom door is closed, the rotation direction of required pivoted arm 100, refers to the anticlockwise direction in Fig. 1; " forward " refers to the anticlockwise direction in Fig. 1, and " oppositely " refers to the clockwise direction in Fig. 1; The appearance that should be appreciated that these nouns of locality be take Figure of description and is set up as benchmark, and their appearance should not affect protection scope of the present invention.
Please refer to Fig. 1 to Fig. 6, Fig. 1 is a kind of structural representation of the specific embodiment of the locking device of railway truck bottom door provided by the present invention mechanism, and the constitution diagram when bottom door being shown normally closing; Fig. 2 is the birds-eye view of Fig. 1; Fig. 3 is the constitution diagram of the locking device shown in Fig. 1 when bottom door rotating mechanism lost efficacy; Fig. 4 is the constitution diagram of the locking device shown in Fig. 1 before meet and discuss 200 jack-up push rods 1 and pivoted arm 100 start rotation; Fig. 5 is the locking device shown in Fig. 1 when the 200 continuation jack-up push rods 1 of meeting and discussing are so that the constitution diagram of pivoted arm 100 while rotating; Fig. 6 is that the locking device shown in Fig. 1 is when bottom door is by the constitution diagram being opened in closing process.
In a kind of specific embodiment, the invention provides the locking device of a kind of railway truck bottom door mechanism, this bottom door mechanism comprises pivoted arm 100 and meets and discusses 200, pivoted arm 100 is connected with bottom door by rotating shaft 101, the 200 jack-up pivoted arms 100 upwards of meeting and discussing, drive rotating shaft 101 clickwises that bottom door is opened, can realize automatic unloading.Above-mentioned locking device comprises the tumbler 2 being rotatably connected with the vertical push rod 1 of pivoted arm 100 sliding block joints, with pivoted arm 100, also comprise two ends, actuator for drive tumbler 2 rotate that be connected with tumbler 2, push rod 1 respectively, also comprise the fixing locating part in position 4, pivoted arm 100 or tumbler 2 are provided with passage 5.
While producing unexpected trend of opening when bottom door et out of order, when meeting and discussing 200 jack-up push rod 1 and pivoted arm 100 not rotating along the direction of opening the door, actuator drives the position that tumbler 2 cannot access passage 5 in locating part 4, therefore this locating part 4 interferes with pivoted arm 100 or tumbler 2, pivoted arm 100 cannot be rotated further, also cannot drive bottom door to open, play the locking effect to bottom door, prevent cargo leakage.
And when bottom door is normally closed, normally opened, be that pivoted arm 100 normally opens the door when direction is rotated or normally direction rotation is closed the door on edge on edge, actuator drives tumbler 2 to turn to locating part 4 automatically can be through the position of passage 5, also remove the position-limiting action of limiting component to pivoted arm 100, made pivoted arm 100 can normally control opening or closing of bottom door.
As can be seen here, this locking device can surprisingly be opened Shi Dui mechanism automatic blocking at bottom door, prevents cargo leakage, compared with prior art, has cancelled manual operation, has improved work efficiency and security and stability.
In concrete scheme, as depicted in figs. 1 and 2, above-mentioned tumbler 2 can be lock pin, and the axis of lock pin is parallel with the rotating shaft 101 of pivoted arm 100, and lock pin is provided with shackle member 21 and the attaching parts 22 radially extending, and actuator is inner to be connected with attaching parts 22.
As shown in Figure 3, when when meeting and discussing 200, jack-up push rod 1 and pivoted arm 100 do not turn to predetermined angle along the direction of opening the door, shackle member 21 is barred between locating part 4 and passage 5, make the locating part 4 cannot access passage 5, be that limiting component and pivoted arm 100 interfere, pivoted arm 100 cannot be rotated further, and assurance bottom door cannot be opened, and plays the effect of locking.
When lorry arrives at unloading place, as shown in Figure 4, meet and discuss 200 normal jack-up push rods 1 and pivoted arm 100 while not rotating, actuator drives lock pin to rotate by attaching parts 22, drive shackle member 21 to rotate so that the corresponding access passage 5 of locating part 4 energy, as shown in Figure 5, in the time of after pivoted arm 100 rotates along the direction of opening the door, locating part 4 forwards are through passage 5.Like this, at pivoted arm 100, start to have removed stopping of 21 pairs of locating parts 4 of shackle member before rotation, while making the normal edge of pivoted arm 100 open the door direction rotation, locating part 4 is through passage 5, and assurance bottom door is normally opened.
As shown in Figure 6, when pivoted arm 100 rotates along the direction of closing the door, locating part 4 oppositely, through after passage 5, collision shackle member 21, forces lock pin contrarotation, so that shackle member 21 is barred between locating part 4 and passage 5 again.
From above-mentioned working process, the shackle member 21 that the locking device of said structure utilizes actuator to control lock pin turns to diverse location, can when chance failure, stop that locating part 4 is through passage 5, and when pivoted arm 100 normal rotation, make to remove spacing, and lock pin is also had to feature simple in structure, tooling cost is lower as tumbler 2.
Can expect, above-mentioned tumbler 2 is not limited in the structure of above-mentioned lock pin, and above-mentioned passage 5 is also only for being located on pivoted arm 100, for example, shown in Fig. 7, the structural representation of the another kind of specific embodiment that this figure is locking device provided by the present invention.Above-mentioned tumbler 2 can also be cylinder, and drive element is directly connected on this cylindrical end face, and above-mentioned passage 5 is located on cylinder.Like this, when bottom door mechanism et out of order causes pivoted arm 100 to have the trend of rotating along the direction of opening the door, can make locating part 4 and passage 5 stagger, cannot pass; When pivoted arm 100 is normal when opening direction and rotate or rotate along closing direction, actuator can drive cylinder to rotate so that locating part 4 corresponding with passage 5, can pass, assurance bottom door normally opens or closes.
In another kind of concrete scheme, above-mentioned actuator can comprise traction piece 31 and the first elastic component 32, the outer end of traction piece 31 is connected with push rod 1, the inner is connected with attaching parts 22 outsides, and the outer end of the first elastic component 32 is connected with attaching parts 22 inner sides, the inner is connected with pivoted arm 100.Here " outward " refers to the direction of extending from right to left in Fig. 4, and " interior " refers to the direction of extending from left to right in Fig. 4; Should be appreciated that these nouns of locality also take Figure of description and set up as benchmark, their appearance should not affect protection scope of the present invention yet.
Adopt this structure, when bottom door mechanism produces fault, when meeting and discussing 200 jack-up push rod 1 and pivoted arm 100 not rotating along the direction of opening the door, traction piece 31, the first elastic component 32 are not all subject to external force, lock pin position is fixed, so that shackle member 21 is located at, is barred between locating part 4, passage 5.
When bottom door is normally opened, while meeting and discussing 200 first jack-up push rod 1, push rod 1 is with respect to pivoted arm 100 upward movements, so that the outer end position of traction piece 31 uprises gradually, 31 pairs of attaching partss of traction piece 22 produce clws pulling force, so that lock pin clockwise rotates, drive shackle member 21 to rotate so that locating part 4 can corresponding access passage 5, now the first elastic component 32 of attaching parts 22 inner sides is in extended state.When the 200 continuation campaigns of meeting and discussing, so that pivoted arm 100 integral body start after rotation, push rod 1 gradually with meet and discuss 200 separated, 1 of push rod moves downward with respect to pivoted arm 100, recover gradually the outer end of traction piece 31, the pulling force of 31 pairs of attaching partss 22 of traction piece disappears, and is subject to the effect of the elastic pulling force of the first elastic component 32, and lock pin conter clockwise moves to the position that locating part 4 cannot access passage 5.
As can be seen here, adopt the mode of traction piece 31, the first elastic component 32 combinations can drive simply, easily the rotation of lock pin, so that locating part 4 enters or cannot access passage 5, can also not be subject to, in external force situation, lock pin is played to positioning action, realize the automatic control of locking device, without manual operation.
Further, in scheme, above-mentioned actuator can also comprise the track adjusting wheel 33 of being located on pivoted arm 100, and track adjusting wheel 33 is located at the downside of pivoted arm 100, and before when meeting and discussing 200, jack-up push rod 1 and pivoted arm 100 do not rotate, traction piece 31 middle parts are around to track adjusting wheel 33 bottoms.Here the remainder except the two ends of traction piece 31 all can be referred to as " traction piece 31 middle parts ", in concrete scheme, as shown in Figure 4, can be by the outer part at traction piece 31 middle parts around to track adjusting wheel 33 bottoms, certainly, also can be by the inner part at traction piece 31 middle parts around to track adjusting wheel 33 bottoms.
Adopt this structure, can further increase the tractive force of 31 pairs of attaching partss 22 of traction piece while meeting and discussing 200 jack-up push rod 1.
Above-mentioned traction piece 31 can be specially steel rope, because the strength and stiffness of steel rope are all larger, can stably provide the propulsive effort to lock pin.Certainly, above-mentioned traction piece 31 can also adopt other structures.
Can expect, above-mentioned actuator, only for the structure of traction piece 31, the first elastic component 32 combinations, for example, can also not be set to the second elastic component by actuator simply, and the outer end of the second elastic component is connected with push rod 1, the inner is connected with attaching parts 22.
Like this, when meeting and discussing 200 jack-up push rod 1, push rod 1 is during with respect to pivoted arm 100 upward movement, the second elastic component outer end under tension, therefore the inner of the second elastic component applies pulling force to attaching parts 22, drives lock pin to clockwise rotate, so that locating part 4 can pass passage 5; When pivoted arm 100 integral body start to rotate, push rod 1 and meet and discuss 200 separated after, the second elastic component recovers gradually, drives lock pin to come back to the position that locating part 4 cannot access passage 5.
In the another kind of specific embodiment, above-mentioned locating part 4 can be cylinder, and cylindrical axis is parallel with the axis of rotating shaft 101.
Adopt this locating part 4, be convenient to pass smoothly passage 5, certainly, above-mentioned locating part 4 also can adopt other structures such as tabular, block.
In the another kind of specific embodiment, attaching parts 22, shackle member 21 are the platy structure radially extending along lock pin.
Adopt platy structure, be convenient to the connection of drive element, be also convenient to realize the stress balance at upper and lower two ends in the forward and backward two ends Fig. 2 of lock pin, be also convenient to stopping locating part 4.Certainly, above-mentioned attaching parts 22, shackle member 21 also can adopt other structures such as column, bulk.
In the another kind of specific embodiment, above-mentioned push rod 1 below can be provided with pulley 11, meets and discusses 200 by pulley 11 promotion push rod 1 upward movements; And push rod 1 is outer is also provided with retracing spring, and retracing spring one end is connected with push rod 1, the other end is connected with pivoted arm 100.
Like this, in the process of 200 jack-up push rods 1 of meeting and discussing, pulley 11 can reduce to meet and discuss 200 and push rod 1 between friction force, while rising gradually under push rod 1 is being met and discussed 200 thrust, retracing spring is compressed, when meet and discuss 200 promotion pivoted arm 100 unitary rotation, push rod 1 and meet and discuss 200 separated after, the elastic force of retracing spring can make push rod 1 reset rapidly, to realize the rapid reset of tumbler 2.
In addition, the present invention also provides a kind of railway truck bottom door mechanism, comprises bottom door and the locking device being connected with described bottom door; Described locking device adopts the locking device of railway truck bottom door as above mechanism.
Because above-mentioned locking device has as above technique effect, therefore, comprise that the railway truck bottom door mechanism of this locking device also should have identical technique effect, do not repeat them here.
Above a kind of railway truck bottom door mechanism provided by the present invention and locking device thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.