CN214084224U

CN214084224U - Bottom door opening and closing control device of railway hopper car

Info

Publication number: CN214084224U
Application number: CN202022697840.1U
Authority: CN
Inventors: 臧国群; 史春江; 刘洲; 王雪军; 臧俊杰; 汪勇; 杨成攀; 佘涛
Original assignee: CRRC Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-31
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a railway hopper car bottom door switching control device. This controlling means includes the mount table, the lifting unit and open the door and meet the head, the lifting unit has stiff end and flexible end, the stiff end of lifting unit rotationally connects on the mount table, vertical flexible can be followed to the flexible end of lifting unit, the vertical one end that meets the head opens the door rotationally connects on the mount table, the flexible end that the bottom of the vertical other end that meets the head opens the door is passed through the lifting unit supports, and, the flexible end of lifting unit is operable to meet the bottom of the head along longitudinal sliding opening the door, the top that meets the head opens the door is provided with the breach, be provided with the collision portion that can follow lateral shifting in the breach. The utility model discloses can make the railway hopper car that has the bottom door closing mechanism of isostructure one set of controlling means of sharing to do benefit to the user and use.

Description

Bottom door opening and closing control device of railway hopper car

Technical Field

The utility model belongs to the technical field of the commodity circulation transportation, especially, relate to a railway hopper car bottom door switching control device.

Background

The railway hopper car is mainly used for transporting bulk goods such as bulk grain, stone slag, coal and the like, the bulk goods automatically flow out from a bottom door of the hopper car under the action of self gravity when being unloaded, the transportation quality is higher, the loading and unloading operation time can be shortened, the turnover of the car is accelerated, the loading and unloading labor condition is improved, and the transportation cost is reduced.

The bottom door opening and closing mechanism is a key part for ensuring normal unloading of the railway hopper car, in the prior art, the bottom door opening and closing mechanism mostly adopts the principle of over-dead-point self-locking type bottom door opening and closing mechanism, and the contact arm structure of the railway hopper car adopting the over-dead-point self-locking type bottom door opening and closing mechanism is divided into a two-side single-arm structure or a two-arm structure, so that two ground control devices are required to be correspondingly equipped for driving the bottom door opening and closing mechanism.

Because the control device for driving the bottom door opening and closing mechanism of the railway hopper car in the prior art cannot be shared, two sets of ground control devices need to be configured when the control device is used, so that different vehicles need to be grouped adaptively, and the control device is not beneficial to users to use.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a railway hopper car bottom door switching control device to solve among the prior art drive railway hopper car's bottom door switching mechanism's controlling means can not share, the technical problem that is unfavorable for the user to use that causes.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a railroad hopper car bottom door opening and closing control device, said control device comprising:

an installation table;

the lifting unit is provided with a fixed end and a telescopic end, the fixed end of the lifting unit is rotatably connected to the mounting table, and the telescopic end of the lifting unit can vertically extend and retract;

the head is met in opening the door, the vertical one end of the head is met in opening the door rotationally to be connected on the mount table, the bottom of the vertical other end that the head is met in opening the door passes through the flexible end of lift unit supports, just, lift unit's flexible end is operateed and is in the bottom of the head is met in opening the door is along longitudinal sliding, the top of the head is met in opening the door is provided with the breach, be provided with the collision portion that can follow lateral shifting in the breach.

Further, the mount table includes base, mount pad and supporting seat, wherein:

the mounting seat and the supporting seat are respectively arranged on two sides of the top of the base in the longitudinal direction, two first connecting lug plates are oppositely arranged on the side surface of the mounting seat facing the supporting seat, and the fixed end of the lifting unit is rotatably connected between the two first connecting lug plates;

the longitudinal end of the door opening collision head is rotatably connected to the top of the supporting seat.

Furthermore, a limiting block is arranged on the side surface, facing the supporting seat, of the mounting seat surface, and the limiting block is arranged above the two first connecting lug plates.

Further, the control device further includes:

drive unit, drive unit has stiff end and flexible end, drive unit's stiff end fixed connection be in on the base, drive unit's flexible end with lifting unit's stiff end rotatable coupling.

Furthermore, the mounting table further comprises a connecting seat, the connecting seat is fixedly arranged on the base, the connecting seat is arranged between the mounting seat and the supporting seat, two second connecting lug plates are oppositely arranged on the side face, facing the supporting seat, of the connecting seat, and the fixed end of the driving unit is fixedly connected between the two second connecting lug plates.

Furthermore, a sliding groove is longitudinally formed in the bottom of the door opening collision head, and the telescopic end of the lifting unit is arranged in the sliding groove in a sliding mode.

Further, the flexible end of lift unit passes through coupling assembling slip setting and is in the spout, coupling assembling includes splint, round pin axle and sleeve, wherein:

the both sides of spout are provided with the guiding hole along vertically, the flexible serving of lift unit is provided with two along horizontal relative splint, the sleeve sets up the inside of spout, two splint two the lateral wall of spout and the sleeve all by the round pin axle passes.

Further, the telescopic end of the lifting unit is provided with a return spring, and the return spring is arranged between the fixed end of the lifting unit and the top of the telescopic end of the lifting unit.

Further, controlling means still includes flexible unit, flexible unit is fixed to be set up inside the head is met to opening the door, flexible unit has along lateral shifting's flexible end, the collision portion sets up flexible of flexible unit is served, through the operation flexible end of flexible unit makes the collision portion is filled the breach department that the head was met to opening the door.

Furthermore, a first position alarm switch used for confirming the displacement of the telescopic end of the lifting unit is arranged on the mounting table;

and a second position alarm switch used for confirming the displacement of the telescopic end of the telescopic unit is arranged in the door opening collision head.

The beneficial effects of the utility model include at least:

the utility model provides a bottom door opening and closing control device of a railway hopper car, which can drive a door opening collision head to rotate around the joint of the door opening collision head and a mounting platform by controlling the telescopic end of a lifting unit to stretch, thereby the height of the other longitudinal end of the door opening contact can be adjusted finely to adapt to the opening and closing of the bottom door opening and closing mechanism with different heights, because the transverse movement of the collision part at the notch of the door opening collision head can be controlled to adapt to the opening and closing of the bottom door opening and closing mechanisms with different transverse sizes, in addition, because the telescopic end of the lifting unit can slide along the longitudinal direction at the bottom of the door-opening latch head, thereby greatly adjusting the height of the other longitudinal end of the door opening collision head to utilize the passing of the railway hopper car which does not need to open or close the bottom door, therefore, the railway hopper cars with bottom door opening and closing mechanisms with different structures can share one set of control device, and the use by users is facilitated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a bottom door opening and closing control device of a railroad hopper car according to the present embodiment;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the collision part of FIG. 1;

figure 4 is a schematic diagram of a configuration to accommodate the passage of railroad hopper cars that do not require an open or closed bottom door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a bottom door opening and closing control device of a railroad hopper car according to the present embodiment, and with reference to fig. 1, the control device of the present embodiment includes a mounting platform 1, a lifting unit 2, and a door opening striker 3.

Referring to fig. 1, the mounting table 1 of the present embodiment includes a base 101, a mounting seat 102, and a supporting seat 103, wherein the mounting seat 102 and the supporting seat 103 are respectively disposed on two sides of a top portion of the base 101 in a longitudinal direction.

In this embodiment, the base 101, the mounting seat 102, and the supporting seat 103 constituting the mounting table 1 may be integrally formed to have sufficient bearing strength, and of course, the three may be manufactured separately and connected together by welding or screws, which is not limited in this embodiment.

Referring to fig. 1, in this embodiment, two first connecting ear plates 4 are oppositely disposed on the side of the mounting seat 102 facing the supporting seat 103, the lifting unit 2 has a telescopic end and a fixed end, the fixed end of the lifting unit 2 is rotatably connected between the two first connecting ear plates 4, so as to realize the rotatable arrangement of the fixed end of the lifting unit 2 on the mounting table 1, and the telescopic end of the lifting unit 2 can be vertically telescopic.

Referring to fig. 1, in the embodiment, the lifting unit 2 may be an electric push rod, and of course, other linear motion mechanisms may also be used, such as a lifting cylinder, a linear slide rail, and the like, which is not limited in this embodiment.

The door that opens of this embodiment meets head 3 and prior art and meets the head difference not big, and switch door arm 17 is used in the door that opens and meets head 3 to realize the switching of bottom door, combine figure 1, the vertical one end that the door that opens of this embodiment meets head 3 rotationally connects on mount table 1, and the flexible end of the bottom of the vertical other end that the head 3 is met to opening the door is supported through the flexible end of elevating unit 2, and, the flexible end of elevating unit 2 is operable to meet the bottom of head 3 along longitudinal sliding opening the door.

Referring to fig. 1, in this embodiment, a longitudinal end of the door-opening latch 3 may be rotatably connected to the top of the supporting seat 103 through a pin, the mounting table 1 further includes a connecting seat 104, the connecting seat 104 is fixedly disposed on the base 101, the connecting seat 104 is disposed between the mounting seat 102 and the supporting seat 103, two second connecting ear plates 5 are disposed on the side of the connecting seat 104 facing the supporting seat 103, the fixed end of the driving unit 6 is fixedly connected between the two second connecting ear plates 5, so as to fix the fixed end of the driving unit 6 on the base 101, and the telescopic end of the driving unit 6 is rotatably connected to the fixed end of the lifting unit 2.

Specifically, with reference to fig. 1, in this embodiment, the fixed end of the lifting unit 2 is provided with two opposite third connecting ear plates 7 on the side facing the connecting seat 104, the telescopic end of the driving unit 6 is rotatably connected between the two third connecting ear plates 7, and the telescopic end of the driving unit 6 is controlled to be telescopic, so that the telescopic end of the lifting unit 2 can slide longitudinally at the bottom of the door opening contact head 3, and the door opening contact head can be driven to rotate around the joint between the door opening contact head and the manufacturing seat, and the height of the longitudinal other end of the door opening contact head can be greatly adjusted.

In order to guide the longitudinal sliding of the telescopic end of the lifting unit 2 at the bottom of the door opening contact 3, in the embodiment, with reference to fig. 1, a sliding slot is longitudinally formed at the bottom of the door opening contact 3, and the telescopic end of the lifting unit 2 is slidably disposed in the sliding slot.

Further, fig. 2 is a schematic sectional view of a-a of fig. 1, with reference to fig. 1 and fig. 2, in this embodiment, the telescopic end of the lifting unit 2 is slidably disposed in the chute through a connecting assembly, the connecting assembly includes a clamp plate 8, a pin shaft 9 and a sleeve 10, wherein two sides of the chute are longitudinally provided with guide holes, and the telescopic end of the lifting unit 2 is transversely provided with two clamp plates 8 opposite to each other, the sleeve 10 is disposed inside the chute, the two clamp plates 8, two side walls of the chute and the sleeve 10 are all penetrated by the pin shaft 9, when the driving unit 6 drives the lifting unit 2 to rotate, the sleeve 10 slides in the chute, and the pin shaft 9 slides in the guide holes on two sides of the chute to guide the sleeve 10 to slide in the chute, thereby driving the clamp plate 8 and the telescopic end of the lifting unit 2 to slide in the chute.

Referring to fig. 2, since friction is generated when the pin 9 slides in the guiding holes on both sides of the sliding slot, there is a possibility that the pin 9 and the sleeve 10 rotate relatively, therefore, in this embodiment, bearings 11 are disposed at both ends of the pin 9 located in the sleeve 10 to adapt to the relative rotation between the pin 9 and the sleeve 10.

Further, combine fig. 2, the coupling assembling of this embodiment still includes connecting plate 12, and connecting plate 12 is fixed to be set up on the flexible end of lift unit 2, and two splint 8 are fixed to be set up on connecting plate 12 to realize the connection of splint with lift unit 2's output.

The coupling assembling that this embodiment set up can improve reliability and security when the flexible end of lift unit 2 slides in the spout, prevents that lift unit 2's flexible end from breaking away from the incident that causes in the spout.

In this embodiment, the driving unit 6 is preferably a lift cylinder, which has the characteristics of stability and reliability, and of course, a linear motion mechanism such as a motor is also adopted, which is not limited in this embodiment.

In addition, referring to fig. 1, in this embodiment, the side surface of the mounting seat 102 facing the supporting seat 103 is provided with a limiting stopper 13, the limiting stopper 13 is disposed above the two first connecting ear plates 4, the limiting stopper 13 can limit the rotation of the fixed end of the lifting unit 2, and the limiting stopper is matched with the driving unit 6, so that the lifting unit 2 is kept in a vertical state when the control device is in operation.

The limiting stopper 13 of this embodiment may be a flexible body made of rubber, and it may be mounted on the mounting seat 102 by welding, screws, or integrally molding, which is not limited in this embodiment.

Further, combine fig. 1 and fig. 2, in this embodiment, be provided with reset spring 14 on the flexible end of lift unit 2, reset spring 14 sets up between the stiff end of lift unit 2 and the top of the flexible end of lift unit 2, reset spring 14 can carry out certain flexible support to opening a door and meeting head 3, and when lift unit 2's flexible end descends, reset spring 14 is compressed deformation, when lift unit 2's flexible end needs to reset, reset spring 14 can drive lift unit 2's flexible end and reset to initial position.

Specifically, referring to fig. 1 and 2, in the present embodiment, the upper end of the return spring 14 may be connected to the bottom of the connecting plate 12 to implement the installation of the return spring 14 on the top of the telescopic end of the lifting unit 2.

In the present embodiment, the mount 1 may be provided with a first position alarm switch for confirming displacement of the telescopic end of the lifting unit 2.

Referring to fig. 1 and 2, the door opening contact head in the present embodiment is different from the door opening contact head in the prior art in that a notch is formed in the top of the door opening contact head 3 in the present embodiment, and a collision portion 15 capable of moving in a lateral direction is disposed in the notch, that is, the collision portion 9 in the present embodiment can move operationally according to actual working conditions, when the collision portion 15 moves to the notch on the top of the door opening contact head 3, the collision portion 15 forms a working area, and the collision portion 15 cooperates with the door opening and closing arm 17 to open and close the bottom door.

Fig. 3 is a schematic structural diagram of the collision portion in fig. 1, and with reference to fig. 3, the collision portion 15 of the present embodiment is in an isosceles triangle shape, and includes two waist edges 15.1 and a bottom edge 15.2 connecting the two waist edges 15.1, where the two waist edges 15.1 are two working surfaces for opening and closing the bottom door in two directions.

Further, referring to fig. 3, in this embodiment, a sliding block 15.3 is connected to the bottom of the bottom edge 15.2, and correspondingly, a first sliding way is transversely arranged at the top gap of the door opening collision head 3, first stoppers are arranged at two ends of the first sliding way, the sliding block 15.3 is operable to move in the first sliding way between the two first stoppers, and the moving position of the sliding block 15.3 is limited by the first stoppers, so as to realize the transverse movement of the collision part 15 in the gap.

Referring to fig. 3, in the present embodiment, the bottom portions of the two waist edges 15.1 are provided with extension plates 15.4 located on the same straight line, and correspondingly, a second slide way corresponding to the extension plate 15.4 is transversely provided at the top gap of the door opening collision head 3, and the extension plate 15.4 slides in the corresponding second slide way to provide a guide for the transverse movement of the collision portion 15 in the gap.

Similarly, the second slide rail of this embodiment has second stoppers at two ends, and the extension plate 15.4 can move in the second slide rail between two second stoppers, and the moving position of the extension plate 15.4 is limited by the second stoppers.

Referring to fig. 1 and 2, the control device of the present embodiment further includes a telescopic unit 16, the telescopic unit 16 is fixedly disposed inside the door latch 3, the telescopic unit 16 has a telescopic end moving in the lateral direction, the collision portion 15 (a slider 15.3 in the present embodiment) is disposed on the telescopic end of the telescopic unit 16, and the collision portion is filled in the gap of the door latch by operating the telescopic end of the telescopic unit.

The telescopic unit 16 in this embodiment may be an electric push rod, a linear motor, or the like, which is not limited in this embodiment.

In this embodiment, a second position alarm switch for confirming the displacement of the extendable end of the extendable unit 16 may be provided inside the door strike 3.

The working principle of the bottom door opening and closing control device of the railway hopper car in the embodiment is as follows:

1. adjusting the transverse position:

for the A series vehicle types, the telescopic end of the telescopic unit 16 is controlled to move, so that the collision part 15 moves transversely until the collision part 15 moves to the position, with the distance between the inner edge of the collision part 15 and the center of the track 1509mm, of the door opening position (with the distance between the door opening roller and the center of the track 1539mm) of the A series vehicle types is met;

for B series vehicle types, the telescopic end of the telescopic unit 16 is controlled to move, so that the collision part 15 moves along the transverse direction until the collision part 15 moves to a position where the inner edge of the collision part 15 is 1559mm away from the center of the track, and the requirement of the door opening position (1633 mm away from the center of the track by the door opening roller) of the B series vehicle types is met.

Under the working condition of transverse position adjustment, the telescopic unit 16 only has two strokes, the distance of the first slide way is matched with the strokes of the telescopic unit 16, and two second position alarm switches can be correspondingly arranged at the two strokes of the telescopic unit 16 in the door opening collision head 3 so as to monitor and confirm the positions of the telescopic ends of the telescopic unit 16.

2. Adjusting the height position:

the size of the door opening and closing arm 17 of two vehicle types is checked, the height positions of the door opening and closing arm 17 are different, and the specific adjusting direction is as follows: the door opening collision head 3 has two heights, namely 650mm for adapting to the opening and closing of the bottom door of the A series vehicle type and 680mm for adapting to the opening and closing of the bottom door of the B series vehicle type by controlling the extension and retraction of the lifting unit.

Under the working condition of transverse position adjustment, the lifting unit 2 only has two strokes, and two first position alarm switches can be correspondingly arranged at the two strokes of the lifting unit 2 on the mounting table 1 so as to monitor and confirm the positions of the telescopic ends of the lifting unit 2.

3. Passing a hopper car:

fig. 4 is a schematic structural diagram of a railway hopper car adapted to pass through without opening and closing a bottom door, and in the embodiment, with reference to fig. 4, the telescopic end of the lifting unit is driven to slide longitudinally at the bottom of the door opening collision head by operating the telescopic of the driving unit 6, so that the height of the other longitudinal end of the door opening collision head can be adjusted greatly to utilize the railway hopper car not requiring to open and close the bottom door.

Based on the above working principle, the present embodiment may be provided with two switch buttons, the initial state of which is the state shown in fig. 4, when the bottom door of a series of vehicle types is opened and closed, the first switch button is operated to make the door opening collision head 3 rise to 650mm height, and at the same time, the telescopic unit 16 is operated to make the collision part 15 move to the inner edge of the collision part 15 away from the track center 1509mm to satisfy the door opening and closing requirement of a series of vehicle types, when the bottom door of a series of vehicle types is opened and closed, the second switch button is operated to make the door opening collision head 3 rise to 680mm height, and at the same time, the telescopic unit 16 is operated to make the collision part 15 move to the inner edge of the collision part 15 away from the track center 1559mm to satisfy the door opening and closing requirement of B series of vehicle types.

In summary, the retractable end of the lifting unit is controlled to extend and retract, so as to drive the door-opening latch to rotate around the joint between the door-opening latch and the mounting platform, and to finely adjust the height of the other longitudinal end of the door-opening latch, so as to adapt to the opening and closing of the door-opening mechanisms with different heights, and to adapt to the opening and closing of the door-opening mechanisms with different lateral dimensions by controlling the lateral movement of the collision portion at the notch of the door-opening latch, and in addition, the retractable end of the lifting unit is operable to slide longitudinally at the bottom of the door-opening latch, so as to greatly adjust the height of the other longitudinal end of the door-opening latch, so as to utilize the passage of the railway hopper cars without opening and closing the bottom doors, and thus the railway hopper cars with the door-opening mechanisms with different structures can share one set of control device, to facilitate use by the user.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the limitation of any form, any of the commonly known people in the technical field, if the present invention does not depart from the technical features of the present invention, the present invention utilizes the present invention to make the equivalent embodiment of local change or modification, and does not depart from the technical features of the present invention, which all still belongs to the technical features of the present invention.

Claims

1. A railroad hopper car bottom door opening and closing control device, characterized in that said control device comprises:

an installation table;

2. The railroad hopper car bottom door opening and closing control device of claim 1, wherein said mounting table comprises a base, a mounting seat, and a support seat, wherein:

3. The railroad hopper car bottom door opening and closing control device as claimed in claim 2, wherein a limit stop is arranged on the side surface of the mounting seat facing the supporting seat, and the limit stop is arranged above the two first connecting ear plates.

4. The railroad hopper car bottom door opening and closing control device of claim 2, further comprising:

5. The device as claimed in claim 4, wherein the mounting platform further comprises a connecting seat, the connecting seat is fixedly disposed on the base, the connecting seat is disposed between the mounting seat and the supporting seat, two second connecting ear plates are oppositely disposed on the side of the connecting seat facing the supporting seat, and the fixed end of the driving unit is fixedly connected between the two second connecting ear plates.

6. The bottom door opening and closing control device for the railroad hopper car as claimed in claim 4, wherein a sliding slot is longitudinally formed at the bottom of the door opening collision head, and the telescopic end of the lifting unit is slidably disposed in the sliding slot.

7. The railroad hopper car bottom door opening and closing control device of claim 6, wherein the telescopic end of the lifting unit is slidably disposed in the chute through a connecting assembly, the connecting assembly comprising a clamping plate, a pin shaft and a sleeve, wherein:

8. The railroad hopper car bottom door opening and closing control device as claimed in any one of claims 1 to 6, wherein a return spring is provided on the telescopic end of the lifting unit, the return spring being provided between the fixed end of the lifting unit and the top of the telescopic end of the lifting unit.

9. The bottom door opening and closing control device for railroad hopper cars as defined in any one of claims 1 to 6, further comprising a telescopic unit fixedly installed inside said door opening striker, said telescopic unit having a telescopic end moving in a lateral direction, said collision portion being installed at the telescopic end of said telescopic unit, and said collision portion being filled in the gap of said door opening striker by operating the telescopic end of said telescopic unit.

10. The railroad hopper car bottom door opening and closing control device according to claim 9, wherein a first position alarm switch for confirming displacement of a telescopic end of the lifting unit is provided on the mounting table;