CN104875757A - Bottom door clearance adjustment mechanism and hopper car - Google Patents
Bottom door clearance adjustment mechanism and hopper car Download PDFInfo
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- CN104875757A CN104875757A CN201510319172.XA CN201510319172A CN104875757A CN 104875757 A CN104875757 A CN 104875757A CN 201510319172 A CN201510319172 A CN 201510319172A CN 104875757 A CN104875757 A CN 104875757A
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- bottom door
- connecting rod
- hinge
- point
- side bottom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/16—Closure elements for discharge openings
- B61D7/24—Opening or closing means
- B61D7/28—Opening or closing means hydraulic or pneumatic
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a bottom door clearance adjustment mechanism and a hopper car and belongs to the technical field of hopper cars for railways. The bottom door clearance adjustment mechanism comprises a telescopic type driving component and a connecting rod type drive mechanism, wherein the connecting rod type drive mechanism comprises a first connecting rod, a second connecting rod and a plurality of telescopic type third connecting rods, the first connecting rod and the second connecting rod are hinged, a free end of the telescopic driving component is hinged to the free end of the first connecting rod, and the second connecting rod is hinged with a first side bottom door and a second side bottom door of each bottom door through the telescopic type third connecting rods respectively. The hopper car is provided with the bottom door clearance adjustment mechanism. According to the bottom door clearance adjustment mechanism and the hopper car, a plurality of bottom doors are controlled to be opened or closed simultaneously by the connecting rod type drive mechanism on the basis of only one telescopic type driving component, and the control system is simple; clearance adjustment of two side bottom doors of each bottom door can be achieved.
Description
Technical field
The present invention relates to railway hopper car technical field, particularly a kind of bottom door clearance adjustment mechanism and hopper car.
Background technology
Hopper car is bottom unloading vehicle, and be mainly used in transporting loose goods, vehicle opens the bottom door being arranged on car bottom after arriving destination, relies on goods self gravitation to be unloaded by loose goods.A kind of hopper car is had in prior art, each bottom door has the first side bottom door and the second side bottom door respectively, first side bottom door and the second side bottom door realize by standing up to both sides opening, by with open reverse action make the first side bottom door and the second side bottom door mutually involutory and realize closing.This hopper car is in prolonged application process; because bottom door often needs to open or close; the apposition position between the first side bottom door and the second side bottom door is caused easily to occur wearing and tearing; once abrasion loss arrives to a certain degree; will cause the excessive clearance between the first side bottom door and the second side bottom door, cause in transportation, loose goods spills from the gap between the first side bottom door and the second side bottom door; produce while dropping, also result in loose goods loss.
Application publication number is that the Chinese invention patent of CN 101746382 A discloses a kind of device for regulating gap of bottom door of railway hopper car, see accompanying drawing 1, this bottom door of railway hopper car is made up of the left side door leaf 01 split and right side door leaf 06, by the rotation of the curved bar 04 that is articulated and connected and crank 05, left side door leaf 01 and right side door leaf 06 is driven to rotate, realize opening and closing process, its propulsion source is the opening and closing reservoir 07 be connected with crank 05, curved bar 04 is originally and is directly hinged on the door leaf 01 of left side, 05, crank is directly hinged on the door leaf 06 of right side, both relative distances connected between bearing pin determine the gap of bottom door.This device for regulating gap of bottom door regulates the parts such as the adjusting shaft 03 of screw thread, setting nut 011 and hold-down nut 09 to form primarily of permanent seat 02, band.Permanent seat 02 is weldingly fixed on the end plate of above-mentioned left side door leaf 01, outside permanent seat 02, interior both sides are designed with blocked ear 021 and bearing seat 022 respectively, an adjusting shaft 03 is interspersed with in the concentric axis hole of blocked ear 21 and bearing seat 022, adjusting shaft 03 is positioned at screw-in on the thread segment outside blocked ear 021 setting nut 011, adjusting shaft 03 be positioned at blocked ear 21 survey thread segment on screw in have hold-down nut 09, adjusting shaft 03 is positioned at polished rod section and bearing seat 022 interference fit at bearing seat 022 place, the interior survey termination of adjusting shaft 03 is connected with one end of curved bar 04 by bearing pin 08, the other end of curved bar 04 is connected with crank 05, crank 05 is hinged on the door leaf 06 of right side.
As can be seen here, this device for regulating gap of bottom door of railway hopper car structure relative complex, it is the object by reaching the gap regulated between left side door leaf 01 and right side door leaf 06 to the adjustment of curved bar 04 and crank 05, therefore, can only regulate the bottom door gap of the type.
Summary of the invention
In view of this, the invention provides a kind of bottom door clearance adjustment mechanism and hopper car, main purpose is to provide a kind of by installing a holding mechanism respectively additional for the first side bottom door of bottom door and the second side bottom door, by regulating the length of this holding mechanism, and reach the distance regulating any side bottom door to the opposite side bottom door coordinated with it, thus regulate the gap between the bottom door of both sides, simultaneously, this holding mechanism also bears the effect of the drive disk assembly of opening or closing the side bottom door be attached thereto, thus, thus be more suitable for practicality.
In order to achieve the above object, the present invention mainly provides following technical scheme:
The invention provides a kind of bottom door clearance adjustment mechanism, each described bottom door has the first side bottom door and the second side bottom door respectively, described first side bottom door and the second side bottom door realize by standing up to both sides opening, by with open reverse action make described first side bottom door and the second side bottom door mutually involutory and realize closing, described bottom door clearance adjustment mechanism comprises telescopic driving link, connecting rod type transmission mechanism, described connecting rod type transmission mechanism comprises first connecting rod and second connecting rod, hinged between described first connecting rod and second connecting rod
The free end of described telescopic driving link is articulated with the free end of described first connecting rod, all has hinge-point between the first side bottom door of described second connecting rod and each bottom door and the second side bottom door,
Do in the process of stretching motion at described telescopic driving link, described driving link drives described first connecting rod with the hinge-point between them for centre of gration does left-hand revolution, described second connecting rod is driven to move, described second connecting rod further by the hinge-point between the first side bottom door of itself and each bottom door and the second side bottom door by force transmission to the first side bottom door of each bottom door and the second side bottom door, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration stands up respectively to both sides and realize opening;
Do at described telescopic driving link in the process shortening motion, described driving link drives described first connecting rod with the hinge-point between them for centre of gration does clickwise, described second connecting rod is driven to move, described second connecting rod further by the hinge-point between the first side bottom door of itself and each bottom door and the second side bottom door by force transmission to the first side bottom door of each bottom door and the second side bottom door, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration is mutually involutory and realizes closedown.
Hopper car provided by the invention comprises bottom door clearance adjustment mechanism provided by the invention.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
As preferably, described telescopic third connecting rod comprises first end and the second end, and described first end is used for hinged with each side bottom door, and described telescopic third connecting rod accepts gearing power by the second termination, is provided with screw thread pair between described first end and the second end.
As preferably, described bottom door clearance adjustment mechanism also comprises lock dog, and described lock dog is articulated with the fixed end of described telescopic driving link, and the hinge-point place of described first connecting rod and described telescopic driving link is provided with free remaining part,
When the first side bottom door of each bottom door and the second side bottom door are in closed condition, do not having under External Force Acting, described lock dog applies pressure by self gravitation to described free remaining part, lock described first connecting rod, stop the rotary motion that described first connecting rod is centre of gration with the hinge-point of itself and described telescopic driving link free end;
When needing to open each bottom door, while described telescopic driving link extends, described free remaining part left-hand revolution, highly increase, to described lock dog applying application force upwards, under the driving of described application force upwards, described lock dog with the hinge-point of the fixed end of itself and described driving link for centre of gration clickwise, remove described lock dog to after the locking of described first connecting rod, when the free end of described telescopic driving link continues to do stretching motion, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration stands up respectively to both sides and realize opening,
When needing to close each bottom door, when described telescopic driving link does and shortens motion, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration is mutually involutory and realize closing, simultaneously, after the free end of described telescopic driving link drives described free remaining part to touch described lock dog, described telescopic driving link continues to do when shortening motion, and described free remaining part does clickwise, highly reduce, again locked by described lock dog.
As preferably, also comprise engaging lug, described engaging lug is fixedly connected on the fixed end of described telescopic driving link, described lock dog is articulated with described engaging lug, the top, position that described lock dog is contacting with the fixed end of described telescopic driving link is fillet, and bottom has tip
When described lock dog locks described first connecting rod, described lock dog supports by described tip the fixed end that telescopic driving link is stated in residence;
When described lock dog with the hinge-point of itself and described engaging lug for centre of gration clickwise time, described lock dog supports by described fillet the fixed end that telescopic driving link is stated in residence.
As preferably, the free ending tool of described lock dog has downward projection, and after projection described in described free remaining part left-hand revolution to jack-up, described lock dog clickwise, removes the locking to described first connecting rod.
As preferably, between described projection and described telescopic driving link fixed end, there is a segment distance.
As preferably, also comprise front fork and rotating shaft, described front fork is fixedly connected on the free end of described telescopic driving link, described rotating shaft is fixedly connected on described first connecting rod free end, described front fork is provided with slotted hole, described slotted hole has the first half-round, long and narrow portion and the second half-round, described first half-round is identical with the diameter of the half-round of described rotating shaft with the diameter of the second half-round, when described rotating shaft is in described first half-round place, revolute pair is formed between described rotating shaft and described first half-round, sliding pair is formed between described rotating shaft and described long and narrow portion, when described rotating shaft is in described second half-round, revolute pair is formed between described rotating shaft and described half-round.
As preferably, also comprise latch hook, described lock dog is fork-shaped, and described latch hook two ends are individually fixed in the both sides of described fork-shaped, and the gap width of described fork-shaped is identical with the width of described free remaining part, and described free remaining part tilts towards described latch hook direction.
As preferably, also comprise the first enabling parts, multiple the second enabling parts and the third enabling parts multiple,
The first enabling parts described are for opening the first side bottom door of the first bottom door, the first enabling parts described are provided with the first hinge-point, the second hinge-point, the 3rd hinge-point, described first hinge-point overlaps with the hinge-point between described first connecting rod and second connecting rod, described second hinge-point is the central rotating shaft of the first enabling part described, the first enabling parts described by described 3rd hinge-point be articulated with first group of bottom door the first side bottom door on hinged third connecting rod;
Described the second enabling parts are for opening the second side bottom door of each bottom door, described the second enabling parts are provided with the 4th hinge-point, the 5th hinge-point and the 6th hinge-point, described 4th hinge-point is the hinge-point hinged with described second connecting rod, described 5th hinge-point is the central rotating shaft of described the second enabling parts, and described 6th hinge-point is the hinged hinge-point of third connecting rod hinged on the second side bottom door with each bottom door;
The third enabling parts described are for opening the first side bottom door of each bottom door except the first bottom door, the third enabling parts described are provided with the 7th hinge-point and the 8th hinge-point, described 7th hinge-point overlaps with described 5th hinge-point, and described 8th hinge-point is the hinge-point of third connecting rod hinged on the first side bottom door with bottom door each except the first bottom door.
The free end of the first connecting rod of bottom door clearance adjustment mechanism provided by the invention is articulated with the free end of telescopic driving link, first connecting rod and second connecting rod hinged, all there is hinge-point between telescopic third connecting rod hinged on first side bottom door of second connecting rod and each bottom door and the second side bottom door, the free end of telescopic driving link do extend or shorten motion process in, by first connecting rod, second connecting rod form connecting rod type transmission mechanism can:
What the stretching motion of telescopic driving link to be converted to the first side bottom door of each bottom door and the second side bottom door be centre of gration with its respective hinge-point stands up respectively to both sides, opens each hopper wagon bottom door;
The shortening campaign of telescopic driving link is converted to the motion that the first side bottom door of each bottom door and the second side bottom door are mutually involutory centered by its respective hinge-point, closes each hopper wagon bottom door;
Therefore, bottom door clearance adjustment mechanism provided by the invention is on the basis only having a telescopic driving link, and can be controlled unlatching or the closedown of multiple bottom door by connecting rod type transmission mechanism, control system is simple simultaneously;
In addition, this third connecting rod is equivalent to a holding mechanism, by regulating the length of this telescopic third connecting rod, the distance regulating any side bottom door to the opposite side bottom door coordinated with it can be reached, thus regulate the gap between the bottom door of both sides, meanwhile, this holding mechanism also bears the effect of the drive disk assembly of opening or closing the side bottom door be attached thereto.
Hopper car provided by the invention has bottom door clearance adjustment mechanism provided by the invention, and on the basis only having a telescopic driving link, can be controlled unlatching or the closedown of multiple bottom door by connecting rod type transmission mechanism, control system is simple simultaneously;
Further, it can also reach the object of each bottom door both sides bottom door being carried out to gap adjustment.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 for application publication number disclosed in the Chinese invention patent of CN 101746382 A device for regulating gap of bottom door of railway hopper car and its apply bottom door of railway hopper car fit applications time, the structural representation under bottom door of railway hopper car is in closed condition;
Fig. 2 is the concrete structural scheme of mechanism of application publication number device for regulating gap of bottom door of railway hopper car disclosed in the Chinese invention patent of CN 101746382 A;
In the bottom door clearance adjustment mechanism that Fig. 3 provides for the embodiment of the present invention three, the structural representation when bottom door is in closed condition;
In the bottom door clearance adjustment mechanism that Fig. 4 provides for the embodiment of the present invention three, the structural representation when bottom door is in opening;
The integral structure schematic diagram of the hopper car that Fig. 5 provides for the embodiment of the present invention two;
Fig. 6 is the close-up schematic view of part A in Fig. 5;
In the bottom door clearance adjustment mechanism that Fig. 7 provides for the embodiment of the present invention four, the matching relationship structural representation between the first bottom door and first connecting rod, second connecting rod, third connecting rod, double leval jib, telescopic driving link;
The schematic diagram of the bottom door clearance adjustment mechanism that Fig. 8 provides for the embodiment of the present invention five;
The bottom door clearance adjustment mechanism that Fig. 9 provides for the embodiment of the present invention five is in the structural representation of retracted mode when telescopic driving link;
The bottom door clearance adjustment mechanism that Figure 10 provides for the embodiment of the present invention five is in the structural representation of elongation state when telescopic driving link.
Detailed description of the invention
The present invention is for solving prior art Problems existing, provide a kind of by means of only a driving link and transmission device with matching, and realize the bottom door opening and closing mechanism that the action of many bottom doors coordinated type is opened or closed and the hopper car with this bottom door opening and closing mechanism, it can alleviate control system burden simultaneously, with overcome prior art with in often pair of bottom door need a reservoir to drive respectively, cause the defect of control system complexity, thus be more suitable for practicality.
The technical scheme of the embodiment of the present invention is for solving the problems of the technologies described above, and general thought is as follows:
Embodiment one
See accompanying drawing 3, in order to clearly show technical scheme and the course of action of the bottom door clearance adjustment mechanism that the embodiment of the present invention one provided by the invention provides, accompanying drawing 3 only provides the situation that bottom door is.
Each bottom door has the first side bottom door 5 and the second side bottom door 31 respectively, first side bottom door 5 and the second side bottom door 31 realize by standing up to both sides opening, by with open reverse action make the first side bottom door 5 and the second side bottom door 31 mutually involutory and realize closing, bottom door clearance adjustment mechanism comprises telescopic driving link (in the present embodiment, telescopic driving link is selected from cylinder, hydraulic actuating cylinder, one in jack), connecting rod type transmission mechanism, connecting rod type transmission mechanism comprises first connecting rod 2, second connecting rod 9 and multiple third connecting rod, hinged between first connecting rod 2 and second connecting rod 9.Telescopic driving link is (in the present embodiment, telescopic driving link is selected from the one in cylinder, hydraulic actuating cylinder, jack) free end 33 (label 1 represents the fixed end of telescopic driving link) be articulated with the free end of first connecting rod 2, second connecting rod 9 is by all having hinge-point between the first side bottom door 5 of each third connecting rod and each bottom door and the second side bottom door 31.
At telescopic driving link (in the present embodiment, telescopic driving link is selected from cylinder, hydraulic actuating cylinder, one in jack) do in the process of stretching motion, driving link drives first connecting rod 2 with the hinge-point between them for centre of gration does left-hand revolution, drive second connecting rod 9 and third connecting rod motion, third connecting rod further by the hinge-point between the first side bottom door 5 of itself and each bottom door and the second side bottom door 31 by force transmission to the first side bottom door 5 and the second side bottom door 31 of each bottom door, make the first side bottom door 5 of each bottom door and the second side bottom door 31 with its respective hinge-point for centre of gration stands up respectively to both sides and realize opening.
At telescopic driving link (in the present embodiment, telescopic driving link is selected from cylinder, hydraulic actuating cylinder, one in jack) do in the process shortening motion, driving link drives first connecting rod 2 with the hinge-point between them for centre of gration does clickwise, drive second connecting rod 9 and third connecting rod motion, third connecting rod further by the hinge-point between the first side bottom door 5 of itself and each bottom door and the second side bottom door 31 by force transmission to the first side bottom door 5 and the second side bottom door 31 of each bottom door, make the first side bottom door 5 of each bottom door and the second side bottom door 31 with its respective hinge-point for centre of gration is mutually involutory and realize closing.
See accompanying drawing 3 and accompanying drawing 4, the bottom door clearance adjustment mechanism that the embodiment of the present invention one provides also comprises the first enabling parts 6, multiple the second enabling parts 10 and the third enabling parts 41 multiple.
The first enabling parts 6 is for opening the first side bottom door 5 of the first bottom door, the first enabling parts 6 is provided with the first hinge-point 35, second hinge-point 39, the 3rd hinge-point 36, first hinge-point 35 overlaps with the hinge-point between first connecting rod 2 and second connecting rod 9, second hinge-point 39 is the central rotating shaft of the first enabling part 6, and the first enabling parts 6 is articulated with third connecting rod hinged on the first side bottom door 5 of first group of bottom door by the 3rd hinge-point 36.
The second enabling parts 10 are for opening the second side bottom door 31 of each bottom door, the second enabling parts 10 are provided with the 4th hinge-point 37, the 5th hinge-point 40 and the 6th hinge-point 38,4th hinge-point 37 is the hinge-point hinged with second connecting rod 9,5th hinge-point 40 is the central rotating shaft of the second enabling parts 10, and the 6th hinge-point 38 is the hinge-point of third connecting rod hinged on the second side bottom door 31 with each bottom door.
The third enabling parts 41 are for opening the first side bottom door 5 ＇ of each bottom door except the first bottom door, the third enabling parts 41 are provided with the 7th hinge-point and the 8th hinge-point 42,7th hinge-point overlaps with the 5th hinge-point 40, and the 8th hinge-point 42 is the hinge-point of third connecting rod hinged on the first side bottom door 5 ＇ with bottom door each except the first bottom door.
In this case, when second connecting rod 9 is to left movement, the first enabling parts 6 is centre of gration clickwise with hinge-point 39, and the first side bottom door 5 of the first bottom door, is opened for centre of gration left-hand revolution stands up with hinge-point 36; The second enabling parts 10 are centre of gration clickwise with hinge-point 40, second side bottom door of the first bottom door with hinge-point 37 for centre of gration clickwise stands up, open, the opening ways of all the other each second side bottom doors 31 is identical with the opening ways of the second side bottom door 31 of the first bottom door, meanwhile, hinge-point 40 itself also does cw circular movement; Because hinge-point 40 itself does cw circular movement, drive the third enabling parts 41 also simultaneously with hinge-point 40 for centre of gration left-hand revolution, and then drive the first side bottom door 5 ＇ of each bottom door except the first bottom door with hinge-point 42 for centre of gration left-hand revolution stands up, unlatching.
See accompanying drawing 3 and accompanying drawing 4, the bottom door clearance adjustment mechanism that the embodiment of the present invention one provides also comprises multiple third connecting rod, the first enabling parts 6 described, the second enabling parts 10 and the third enabling parts 41 are articulated with each side bottom door respectively by the third connecting rod hinged with it, now, the first enabling parts 6, the second enabling parts 10 and the third enabling parts 41, when performing an action, also need the force transmission of action extremely each side bottom door through third connecting rod.Thus the action executing making unlatching or close each side bottom door obtains more steady.
Wherein, in the present embodiment; third connecting rod is scalable; thus, when each bottom door is in closed condition, according to the gap of each side bottom door and its offside bottom door; by the length of this third connecting rod of telescopic adjustment; regulate the gap between each side bottom door and its offside bottom door, the problem avoiding the gap caused due to wearing and tearing due to both sides bottom door in hopper car Long-Time Service process to increase, avoids loose goods to spill from the gap between the bottom door of both sides.
Specific to the present embodiment, this third connecting rod comprises first end 7 and the second end 7 ＇, this first end 7 is for hinged with each side bottom door, this second end 7 ＇ is used for hinged with the first enabling parts 6, the second enabling parts 10 and the third enabling parts 41, connected by screw thread pair between first end 7 and the second end 7 ＇, wherein, first end 7 is provided with outside thread, and the second end 7 ＇ center has blind hole, in blind hole, be provided with negative thread.Be threaded connection not only easy to connect, screw thread pair itself can also provide corresponding application force.Can be regulated continuously the length of third connecting rod by the connection of screw thread pair, and be unlikely to two regulate occur between length out of stock, thus, ensure the sealing property between each side bottom door and its offside bottom door more accurately.
In addition, the first end 7 of this third connecting rod can also be connected with the second end 7 ＇ by buckle, in this case, in order to ensure the rigidity application force that this third connecting rod can provide enough, need to arrange multiple clamp in the junction of first end 7 and the second end 7 ＇, but, because clamp can not be arranged continuously, easily cause two regulate occur between length out of stock, when abrasion loss between each side bottom door and its offside bottom door is less than the distance between adjacent two clamps, be difficult to regulate the gap between each side bottom door and its offside bottom door.
The free end of the first connecting rod 2 of the bottom door clearance adjustment mechanism that the embodiment of the present invention one provides is articulated with telescopic driving link (in the present embodiment, telescopic driving link is selected from cylinder, hydraulic actuating cylinder, one in jack) free end 33, first connecting rod 2 is hinged with second connecting rod 9, all there is hinge-point between third connecting rod hinged on first side bottom door 5 of second connecting rod 9 and each bottom door and the second side bottom door 31, at telescopic driving link (in the present embodiment, telescopic driving link is selected from cylinder, hydraulic actuating cylinder, one in jack) free end 33 do extend or shorten motion process in, by first connecting rod 2, second connecting rod 9 form connecting rod type transmission mechanism can:
By telescopic driving link (in the present embodiment, telescopic driving link is selected from the one in cylinder, hydraulic actuating cylinder, jack) stretching motion to be converted to the first side bottom door 5 of each bottom door and the second side bottom door 31 be centre of gration with its respective hinge-point stands up respectively to both sides, open each hopper wagon bottom door;
By telescopic driving link (in the present embodiment, telescopic driving link is selected from the one in cylinder, hydraulic actuating cylinder, jack) shortening campaign be converted to the motion mutually involutory centered by its respective hinge-point of the first side bottom door 5 of each bottom door and the second side bottom door 31, close each hopper wagon bottom door;
Therefore, the bottom door clearance adjustment mechanism that the embodiment of the present invention one provides only is having a telescopic driving link (in the present embodiment, telescopic driving link is selected from the one in cylinder, hydraulic actuating cylinder, jack) basis on, can be controlled unlatching or the closedown of multiple bottom door by connecting rod type transmission mechanism, control system is simple simultaneously.
In addition, this third connecting rod is equivalent to a holding mechanism, by regulating the length of this telescopic third connecting rod, the distance regulating any side bottom door to the opposite side bottom door coordinated with it can be reached, thus regulate the gap between the bottom door of both sides, meanwhile, this holding mechanism also bears the effect of the drive disk assembly of opening or closing the side bottom door be attached thereto.
Embodiment two
See accompanying drawing 5 and accompanying drawing 6, hopper car provided by the invention has bottom door clearance adjustment mechanism provided by the invention, only there iing a telescopic driving link (in the present embodiment, telescopic driving link is selected from the one in cylinder, hydraulic actuating cylinder, jack) basis on, can be controlled unlatching or the closedown of multiple bottom door by connecting rod type transmission mechanism, control system is simple simultaneously;
Further, it can also reach the object of each bottom door both sides bottom door being carried out to gap adjustment.
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to its detailed description of the invention of bottom door clearance adjustment mechanism proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Term "and/or" herein, being only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, such as, A and/or B, concrete is interpreted as: can include A and B simultaneously, can individualism A, also can individualism B, above-mentioned three kinds of any one situations can be possessed.
Embodiment three
See accompanying drawing 7, the basis of the bottom door clearance adjustment mechanism provided in the embodiment of the present invention one is improved, the bottom door clearance adjustment mechanism that the embodiment of the present invention three provides also comprises double leval jib 4, first connecting rod 2 is hinged by double leval jib 4 and second connecting rod 9, and the hinge-point between first connecting rod 2 and double leval jib 4 is 71, now, the similar that first connecting rod 2 and double leval jib 4 form is in the arm of people, and hinge-point 35 is similar to staff, thus, gearing power more easily.
Embodiment four
See accompanying drawing 8 ~ 10, the basis of the bottom door clearance adjustment mechanism provided in the embodiment of the present invention one or three is improved, the bottom door clearance adjustment mechanism that the embodiment of the present invention four provides also comprises lock dog 14, lock dog 14 is articulated with the fixed end 1 of telescopic driving link, and first connecting rod 2 is provided with free remaining part 13 with the hinge-point place of telescopic driving link.
When the first side bottom door 5 (5 ＇) of each bottom door and the second side bottom door 31 are in closed condition, do not having under External Force Acting, lock dog 14 applies pressure by self gravitation to free remaining part 13, locking first connecting rod 2, stops the rotary motion that first connecting rod 2 is centre of gration with the hinge-point of itself and telescopic driving link free end 33;
When needing to open each bottom door, while telescopic driving link 33 extends, free remaining part 13 left-hand revolution, highly increase, to the application force that lock dog 14 applies upwards, under the driving of application force upwards, lock dog 14 with the hinge-point of the fixed end 1 of itself and driving link for centre of gration clickwise, after removing the locking of lock dog 14 pairs of first connecting rods 2, when the free end 33 of telescopic driving link continues to do stretching motion, make the first side bottom door 5 (5 ＇) of each bottom door and the second side bottom door 31 with its respective hinge-point for centre of gration stands up respectively to both sides and realize opening.
When needing to close each bottom door, when telescopic driving link 33 does and shortens motion, make the first side bottom door 5 (5 ＇) of each bottom door and the second side bottom door 31 with its respective hinge-point for centre of gration is mutually involutory and realize closing, simultaneously, after the free end 33 of telescopic driving link drives free remaining part 13 to touch lock dog 14, telescopic driving link continues to do when shortening motion, and free remaining part 13 does clickwise, highly reduce, again locked by lock dog 14.
In the present embodiment situation, due to the effect of lock dog 14, the athleticism of telescopic driving link must be driven by enough large application force to cause the locking of lock dog 14 pairs of first connecting rods 2, unblock, be again locked, can prevent first connecting rod 2 from making when being subject to accidental action power each bottom door surprisingly open or close.
Wherein, free remaining part 13 and lock dog 14 contact surface between can have larger friction force, like this, further reduce first connecting rod 2 and make when being subject to accidental action power each bottom door surprisingly open or close.In order to achieve this end, this contact surface is needed to be made up of damping material, such as rubber, or the flexible material of mutability, like this, when producing application force between them, first the material deformation in compression of this mutability is made, after larger application force being applied to it, just can make first connecting rod 2 receive after application force through by connecting rod type transmission mechanism by force transmission to each side bottom door, open or close each side bottom door.
Wherein, the bottom door clearance adjustment mechanism that the embodiment of the present invention five provides also comprises engaging lug 83, engaging lug 83 is fixedly connected on the fixed end 1 of telescopic driving link, lock dog 14 is articulated with engaging lug 83, the top, position that lock dog 14 is contacting with the fixed end 1 of telescopic driving link is fillet 84, bottom has most advanced and sophisticated 85, when lock dog 14 locks first connecting rod 2, lock dog 14 can stop lock dog 14 to continue with the hinge-point between itself and engaging lug 83 as centre of gration continues to do counterclockwise movement by this tip 85 of fixed end 1 that most advanced and sophisticated 85 support telescopic driving link to the application force produced between the fixed end 1 of telescopic driving link, thus, even if when there is no bearing capacity below lock dog 14, lock dog 14 still can keep horizontality by himself gravity, and can not continue again to move downward, and then touch the free end 33 of telescopic driving link, the free remaining part 13 of the first connecting rod 2 when needing to close each side bottom door is caused to be stopped by lock dog 14 and be difficult to keep in the center.When lock dog 14 with the hinge-point of itself and engaging lug 83 for centre of gration clickwise time, lock dog 14 supports the fixed end 1 of telescopic driving link by fillet, thus, when lock dog 14 is by the free remaining part 13 of first connecting rod 2 upwards jack-up when doing clockwise movement, moving more steady.
In the present embodiment, the free ending tool of lock dog 14 has downward projection 87, and after free remaining part 13 left-hand revolution to jack-up projection 87, lock dog 14 clickwise, removes the locking to first connecting rod 2.In this case, without the need to arranging damping material between lock dog 14 and the free remaining part of first connecting rod 2, and the stop of free remaining part 13 being moved by this projection 87, first connecting rod 2 can be avoided owing to being subject to accidental action power and involuntary maneuver, and then cause each side bottom door surprisingly to be opened.
In the present embodiment, between protruding 87 and telescopic driving link fixed end 1, there is a segment distance, deposit in case at this segment distance, the free end 33 of telescopic driving link could apply the application force of jack-up to lock dog 14 after needing to have certain stroke, also be in order to avoid first connecting rod 2 is owing to being subject to accidental action power and involuntary maneuver, and then cause each side bottom door surprisingly to be opened.
The bottom door clearance adjustment mechanism that the present embodiment provides also comprises front fork 11 and rotating shaft 81, front fork 11 is fixedly connected on the free end 33 of telescopic driving link, rotating shaft 81 is fixedly connected on first connecting rod 2 free end, front fork 11 is provided with slotted hole 12, slotted hole 12 has the first half-round, long and narrow portion and the second half-round, first half-round is identical with the diameter of the half-round of rotating shaft 81 with the diameter of the second half-round, when rotating shaft 81 is in the first half-round place, revolute pair is formed between rotating shaft 81 and the first half-round, sliding pair is formed between rotating shaft 81 and long and narrow portion, when rotating shaft 81 is in the second half-round, revolute pair is formed between rotating shaft 81 and half-round.In this case, even if first connecting rod 2 is driven by the free end 33 of telescopic driving link and arrives lock dog 14 by the critical spot of jack-up, the free end 33 of telescopic driving link also needs continuation elongation one section to be equivalent to the distance of the length in this long and narrow portion of slotted hole 12, first connecting rod 2 pairs of lock dogs 14 just can be made to apply the application force of jack-up, make lock dog 14 last solution except the locking to first connecting rod 2.Also be in order to avoid first connecting rod 2 is owing to being subject to accidental action power and involuntary maneuver, and then cause each side bottom door surprisingly to be opened.
In the present embodiment, the free ending tool of lock dog 14 has downward projection 87, and the both sides of protruding 87 all narrow gradually in the gradient.In this case, the free remaining part 13 of first connecting rod 2 is from locked state to jack-up lock dog 14, or first connecting rod 2 from by the state that unlocks to being returned to again locked state procedure, can both realize mild excessive, each side bottom door is opened gradually, and is unlikely to the situation that occurs being opened suddenly.
Embodiment five
See accompanying drawing 8 ~ 10, the basis of the bottom door clearance adjustment mechanism provided in the embodiment of the present invention four is improved, the bottom door clearance adjustment mechanism that the embodiment of the present invention five provides also comprises latch hook 15, lock dog 14 is in fork-shaped, latch hook 15 two ends are individually fixed in the both sides of fork-shaped, the gap width of fork-shaped is identical with the width of free remaining part 13, and free remaining part 13 tilts towards latch hook direction.Because the width of free remaining part 13 is identical with fork-shaped gap width, first connecting rod 2 can be avoided to shake in the axis of latch hook 15, more stable when the bottom door clearance adjustment mechanism that the embodiment of the present invention six is provided performs an action; Because free remaining part 13 tilts towards latch hook direction, even if the free remaining part 13 of first connecting rod 2 has touched latch hook 15 in advance, also to be tangled by latch hook 15 and cannot jack-up lock dog 14, the locking of lock dog 14 pairs of first connecting rods 2 can not be removed, its object is still in order to avoid first connecting rod 2 is owing to being subject to accidental action power and involuntary maneuver, and then causes each side bottom door surprisingly to be opened.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a bottom door clearance adjustment mechanism, each described bottom door has the first side bottom door and the second side bottom door respectively, described first side bottom door and the second side bottom door realize by standing up to both sides opening, by with open reverse action make described first side bottom door and the second side bottom door mutually involutory and realize closing, it is characterized in that, comprise telescopic driving link, connecting rod type transmission mechanism, described connecting rod type transmission mechanism comprises first connecting rod, second connecting rod and multiple telescopic third connecting rod, hinged between described first connecting rod and second connecting rod
The free end of described telescopic driving link is articulated with the free end of described first connecting rod, and described second connecting rod all has hinge-point respectively by between the first side bottom door of each telescopic third connecting rod and each bottom door and the second side bottom door,
Do in the process of stretching motion at described telescopic driving link, described driving link drives described first connecting rod with the hinge-point between them for centre of gration does left-hand revolution, drive described second connecting rod and the motion of telescopic third connecting rod, described telescopic third connecting rod further by the hinge-point between the first side bottom door of itself and each bottom door and the second side bottom door by force transmission to the first side bottom door of each bottom door and the second side bottom door, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration stands up respectively to both sides and realize opening,
Do at described telescopic driving link in the process shortening motion, described driving link drives described first connecting rod with the hinge-point between them for centre of gration does clickwise, described second connecting rod is driven to move and the motion of telescopic third connecting rod, described third connecting rod further by the hinge-point between the first side bottom door of itself and each bottom door and the second side bottom door by force transmission to the first side bottom door of each bottom door and the second side bottom door, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration is mutually involutory and realizes closedown.
2. bottom door clearance adjustment mechanism according to claim 1, it is characterized in that, described telescopic third connecting rod comprises first end and the second end, described first end is used for hinged with each side bottom door, described telescopic third connecting rod accepts gearing power by the second termination, is provided with screw thread pair between described first end and the second end.
3. bottom door clearance adjustment mechanism according to claim 1, is characterized in that, also comprise lock dog, and described lock dog is articulated with the fixed end of described telescopic driving link, and the hinge-point place of described first connecting rod and described telescopic driving link is provided with free remaining part,
When the first side bottom door of each bottom door and the second side bottom door are in closed condition, do not having under External Force Acting, described lock dog applies pressure by self gravitation to described free remaining part, lock described first connecting rod, stop the rotary motion that described first connecting rod is centre of gration with the hinge-point of itself and described telescopic driving link free end;
When needing to open each bottom door, while described telescopic driving link extends, described free remaining part left-hand revolution, highly increase, to described lock dog applying application force upwards, under the driving of described application force upwards, described lock dog with the hinge-point of the fixed end of itself and described driving link for centre of gration clickwise, remove described lock dog to after the locking of described first connecting rod, when the free end of described telescopic driving link continues to do stretching motion, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration stands up respectively to both sides and realize opening,
When needing to close each bottom door, when described telescopic driving link does and shortens motion, make the first side bottom door of each bottom door and the second side bottom door with its respective hinge-point for centre of gration is mutually involutory and realize closing, simultaneously, after the free end of described telescopic driving link drives described free remaining part to touch described lock dog, described telescopic driving link continues to do when shortening motion, and described free remaining part does clickwise, highly reduce, again locked by described lock dog.
4. bottom door clearance adjustment mechanism according to claim 3, it is characterized in that, also comprise engaging lug, described engaging lug is fixedly connected on the fixed end of described telescopic driving link, described lock dog is articulated with described engaging lug, the top, position that described lock dog is contacting with the fixed end of described telescopic driving link is fillet, and bottom has tip
When described lock dog locks described first connecting rod, described lock dog supports by described tip the fixed end that telescopic driving link is stated in residence;
When described lock dog with the hinge-point of itself and described engaging lug for centre of gration clickwise time, described lock dog supports by described fillet the fixed end that telescopic driving link is stated in residence.
5. bottom door clearance adjustment mechanism according to claim 3, it is characterized in that, the free ending tool of described lock dog has downward projection, after projection described in described free remaining part left-hand revolution to jack-up, described lock dog clickwise, removes the locking to described first connecting rod.
6. bottom door clearance adjustment mechanism according to claim 5, is characterized in that, has a segment distance between described projection and described telescopic driving link fixed end.
7. bottom door clearance adjustment mechanism according to claim 3, it is characterized in that, also comprise front fork and rotating shaft, described front fork is fixedly connected on the free end of described telescopic driving link, described rotating shaft is fixedly connected on described first connecting rod free end, described front fork is provided with slotted hole, described slotted hole has the first half-round, long and narrow portion and the second half-round, described first half-round is identical with the diameter of the half-round of described rotating shaft with the diameter of the second half-round, when described rotating shaft is in described first half-round place, revolute pair is formed between described rotating shaft and described first half-round, sliding pair is formed between described rotating shaft and described long and narrow portion, when described rotating shaft is in described second half-round, revolute pair is formed between described rotating shaft and described half-round.
8. bottom door clearance adjustment mechanism according to claim 3, it is characterized in that, also comprise latch hook, described lock dog is fork-shaped, described latch hook two ends are individually fixed in the both sides of described fork-shaped, the gap width of described fork-shaped is identical with the width of described free remaining part, and described free remaining part tilts towards described latch hook direction.
9. bottom door clearance adjustment mechanism according to claim 1, is characterized in that, also comprises the first enabling parts, multiple the second enabling parts and the third enabling parts multiple,
The first enabling parts described are for opening the first side bottom door of the first bottom door, the first enabling parts described are provided with the first hinge-point, the second hinge-point, the 3rd hinge-point, described first hinge-point overlaps with the hinge-point between described first connecting rod and second connecting rod, described second hinge-point is the central rotating shaft of the first enabling part described, the first enabling parts described by described 3rd hinge-point be articulated with first group of bottom door the first side bottom door on hinged third connecting rod;
Described the second enabling parts are for opening the second side bottom door of each bottom door, described the second enabling parts are provided with the 4th hinge-point, the 5th hinge-point and the 6th hinge-point, described 4th hinge-point is the hinge-point hinged with described second connecting rod, described 5th hinge-point is the central rotating shaft of described the second enabling parts, and described 6th hinge-point is the hinged hinge-point of third connecting rod hinged on the second side bottom door with each bottom door;
The third enabling parts described are for opening the first side bottom door of each bottom door except the first bottom door, the third enabling parts described are provided with the 7th hinge-point and the 8th hinge-point, described 7th hinge-point overlaps with described 5th hinge-point, and described 8th hinge-point is the hinge-point of third connecting rod hinged on the first side bottom door with bottom door each except the first bottom door.
10. a hopper car, is characterized in that, comprises arbitrary described bottom door clearance adjustment mechanism in claim 1 ~ 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510319172.XA CN104875757B (en) | 2015-06-11 | 2015-06-11 | A kind of bottom door clearance adjustment mechanism and hopper wagon |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510319172.XA CN104875757B (en) | 2015-06-11 | 2015-06-11 | A kind of bottom door clearance adjustment mechanism and hopper wagon |
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| CN104875757A true CN104875757A (en) | 2015-09-02 |
| CN104875757B CN104875757B (en) | 2017-10-03 |
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| CN105329246A (en) * | 2015-11-18 | 2016-02-17 | 南车长江车辆有限公司 | Bottom door opening and closing mechanism with adjustable door opening space |
| CN106021715A (en) * | 2016-05-18 | 2016-10-12 | 中南大学 | Method for determining sensitivity indexes of hinged clearance wearing of revolute pair of mechanism |
| CN111038536A (en) * | 2019-12-25 | 2020-04-21 | 中车长江车辆有限公司 | Single-opening pressure bar type bottom door opening and closing mechanism and hopper car |
| CN111152804A (en) * | 2020-01-02 | 2020-05-15 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle front end cover opening and closing mechanism and railway vehicle |
| CN114148359A (en) * | 2021-12-30 | 2022-03-08 | 国能铁路装备有限责任公司 | Bottom door opening and closing mechanism, bottom door device and hopper car |
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| CN111038536B (en) * | 2019-12-25 | 2021-02-26 | 中车长江车辆有限公司 | Single-opening pressure bar type bottom door opening and closing mechanism and hopper car |
| CN111152804A (en) * | 2020-01-02 | 2020-05-15 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle front end cover opening and closing mechanism and railway vehicle |
| CN114148359A (en) * | 2021-12-30 | 2022-03-08 | 国能铁路装备有限责任公司 | Bottom door opening and closing mechanism, bottom door device and hopper car |
| CN114148359B (en) * | 2021-12-30 | 2023-11-03 | 国能铁路装备有限责任公司 | Bottom door opening and closing mechanism, bottom door device and hopper car |
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| CN104875757B (en) | 2017-10-03 |
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Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Applicant after: CRRC YANGTZE CO., LTD. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Applicant before: China South Locomotive & Rolling Stock Changjiang Vehicle Company |
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