CN111806474A - 30-ton axle weight side-dumping coal hopper car and bottom door opening and closing mechanism thereof - Google Patents
30-ton axle weight side-dumping coal hopper car and bottom door opening and closing mechanism thereof Download PDFInfo
- Publication number
- CN111806474A CN111806474A CN202010707573.3A CN202010707573A CN111806474A CN 111806474 A CN111806474 A CN 111806474A CN 202010707573 A CN202010707573 A CN 202010707573A CN 111806474 A CN111806474 A CN 111806474A
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- China
- Prior art keywords
- bottom door
- hinged
- closing mechanism
- crank
- door opening
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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
-
- 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
- B61D7/26—Opening or closing means mechanical
Abstract
The invention relates to a 30-ton axle load side-dumping coal hopper car and a bottom door opening and closing mechanism thereof. This bottom door closing mechanism includes: the top connection component is used for being hinged to a bottom door of the hopper car; the rotating part is hinged to the bottom frame of the hopper car; the transmission assembly comprises a first crank, a connecting piece, a second crank and a lower crank which are sequentially hinged from top to bottom, wherein the first crank is hinged to the rotating piece, and the lower crank is hinged to the jacking assembly; and the output end of the linear driving component is hinged to the rotating component so as to drive the first crank to move when the linear driving component stretches. The hopper car comprises a side wall, a hopper ridge, a bottom frame, a bottom door covering the space between the side wall and the hopper ridge, and the hopper car further comprises the bottom door opening and closing mechanism. Through above-mentioned technical scheme, can solve prior art bottom door opening and closing mechanism own structure and have the relatively poor problem of auto-lock performance.
Description
Technical Field
The invention relates to the technical field of material transportation equipment, in particular to a bottom door opening and closing mechanism and a 30-ton axle load side dumping type coal hopper car with the same.
Background
The hopper wagon is a railway wagon with end walls inclined inwards or end surfaces in a large arc shape and a hopper arranged at the lower part of a wagon body. The bottom door of the hopper is opened manually or by wind power during unloading, and the goods can be automatically unloaded by the gravity of the goods, and are mainly used for loading and transporting ore, cement, coal and other bulk goods.
Along with the increasing of coal transportation demand, bottom door closing mechanism realizes the transmission part of unloading as coal hopper car, also increasingly has high to bottom door closing mechanism's technical performance parameter, structural performance and the requirement of unloading efficiency.
Currently, the bottom door opening and closing mechanisms are commonly used in the following types: 1. a 'big knife type' bottom door opening and closing mechanism; 2. a top lock type bottom door opening and closing mechanism; 3. a bottom door opening and closing mechanism for the longitudinal door; 4. a quick-release bottom door opening and closing mechanism. Although the selectable types are more, the space under the vehicle body cannot be effectively utilized due to the complex structure and the larger self weight of the mechanisms, and the improvement of the performance parameter of the vehicle per linear meter of the weight is limited. And the transmission efficiency of the current mechanism is lower, the self-locking performance is poorer, and the coal unloading efficiency is low.
Therefore, the existing structure of the bottom door opening and closing mechanism has the problem of poor self-locking performance, a more reasonable technical scheme needs to be provided, and the technical problem existing in the prior art is solved.
Disclosure of Invention
The invention provides a bottom door opening and closing mechanism and a 30-ton axle load side dumping type coal hopper car with the same, and aims to solve the problem that the self structure of the bottom door opening and closing mechanism in the prior art is poor in self-locking performance.
In order to realize the effect, the invention adopts the technical scheme that:
a bottom door opening and closing mechanism comprising:
the top connection component is used for being hinged to a bottom door of the hopper car;
the rotating part is hinged to the bottom frame of the hopper car;
the transmission assembly comprises a first crank, a connecting piece, a second crank and a lower crank which are sequentially hinged from top to bottom, wherein the first crank is hinged to the rotating piece, and the lower crank is hinged to the jacking assembly; and
and the output end of the linear driving component is hinged to the rotating component so as to drive the first crank to move when the linear driving component stretches and retracts.
Optionally, the top connection assembly includes a first bearing and a transmission shaft, wherein the transmission shaft is rotatably connected to the lower crank, and both ends of the transmission shaft are connected to the bottom door of the hopper car through the first bearing.
Optionally, the transmission shaft is disposed below the bottom frame and near the middle of the bottom frame.
Optionally, the transmission shaft comprises a short shaft section hinged to the lower crank throw and a long shaft section located at two ends of the short shaft section, one end of the long shaft section is connected to the bottom door of the hopper car through the first bearing, and the other end of the long shaft section is connected to the short shaft section through a coupler.
Optionally, the linear driving assembly includes a connecting rod and a driver, one end of the connecting rod is hinged to the rotating member, and the other end of the connecting rod is hinged to the output end of the driver.
Optionally, the actuator is an air cylinder, a hydraulic cylinder, or a linear module.
Optionally, the rotating member includes a support fixed to the bottom frame of the hopper car and a movable arm hinged to the support, and the movable arm is hinged to the first crank throw and the output end respectively.
Optionally, both ends of the connecting piece are respectively connected to the first crank throw and the second crank throw through second bearings.
Optionally, the output end of the linear driving assembly is horizontally arranged.
The 30-ton axle weight side-dumping coal hopper car comprises a side wall, a hopper ridge, an underframe and a bottom door covering the space between the side wall and the hopper ridge, and further comprises a bottom door opening and closing mechanism.
Compared with the prior art, the invention has the beneficial effects that:
through the technical scheme, when the door opening movement is needed to be realized, the output end of the linear driving assembly extends, and the first crank throw is pushed to rotate around the rotating center of the rotating part. When the bottom door is rotated for a certain angle, the connecting piece moves towards the lower part of the middle beam of the bottom frame and drives the lower crank throw to rotate anticlockwise around the axis of the hinge fulcrum, so that the lower abutting component is driven to rotate, and the bottom door is opened. When the door closing motion is needed to be achieved, the output end of the linear driving assembly retracts to drive the first crank throw and the connecting piece to rotate towards one side close to the linear driving assembly, so that the lower crank throw is driven to rotate clockwise around the axis, the lower abutting assembly is driven to rotate, and the bottom door is closed.
When the hinge fulcrum of the output end of the linear driving assembly, the hinge fulcrum of the rotating piece and the hinge fulcrum of the second crank throw and the hinge fulcrum of the lower crank throw are collinear, the bottom door opening and closing mechanism is in a dead point position. Along with the continuous shrink of output of linear drive assembly, the connecting piece can produce certain elastic deformation, and when output and first crank etc. component crossed dead point position, whole mechanism was died, realized bottom door opening and closing mechanism's second grade shutting function from this, had improved this bottom door opening and closing mechanism's auto-lock performance. When the bottom door is opened, the linear driving assembly pushes the first crank throw and other members, and when the bottom door passes through a dead point position, the connecting piece is elastically deformed to a certain degree, so that the whole mechanism crosses the dead point, and the door opening function of the bottom door is realized. Therefore, the reliability of the position of the bottom door in the opening and closing states can be ensured, and the loading and unloading work of the materials can be carried out orderly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a bottom door opening and closing mechanism in a state where a bottom door is opened;
FIG. 2 is a schematic structural view of the bottom door opening and closing mechanism in a state where the bottom door is closed;
FIG. 3 is a schematic structural view of the abutment assembly;
fig. 4 is an enlarged schematic view of a portion a of fig. 3.
In the above drawings, the meaning of each reference numeral is:
11-a first bearing, 12-a transmission shaft, 13-a coupler, 21-a support, 22-a movable arm, 31-a first crank, 32-a connecting piece, 33-a second crank, 34-a lower crank, 35-a double link, 41-a connecting rod, 42-a driver and 5-an intermediate shaft.
Detailed Description
The invention is further explained below with reference to the drawings and the specific embodiments.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
According to a first aspect of the present invention, the present embodiment provides a bottom door opening and closing mechanism for a 30 ton axle load side dumping coal hopper car. As shown in fig. 1 to 4, the bottom door opening and closing mechanism includes a butting unit, a rotating unit, a transmission unit, and a linear driving unit.
The top connection component is used for being hinged to a bottom door of the hopper car. The rotating part is used for being hinged to the bottom frame of the hopper car. The transmission assembly comprises a first crank throw 31, a connecting piece 32, a second crank throw 33 and a lower crank throw 34 which are sequentially hinged from top to bottom, wherein the first crank throw 31 is hinged to the rotating piece, and the lower crank throw 34 is hinged to the abutting assembly, so that when the first crank throw 31 moves, the displacement can be transmitted to the lower crank throw 34. The output end of the linear driving component is hinged to the rotating component, so that when the linear driving component stretches, the first crank throw 31 can be driven to act.
In one embodiment, the transmission assembly may further include a dual link 41, wherein the lower crank 34 is connected to the abutting assembly through the dual link 35, as shown in fig. 1 and 2.
In an embodiment provided by the present invention, the butting assembly may include a first bearing 11 and a transmission shaft 12, wherein the transmission shaft 12 is rotatably connected to the lower crank 34, and both ends of the transmission shaft 12 are connected to the bottom door of the hopper car through the first bearing 11, thereby reducing wear of the transmission shaft 12 and ensuring a service life. In addition, the impact of the bottom door in the opening and closing process can be reduced.
In the present invention, the transmission shaft 12 is disposed below the bottom frame and near the middle of the bottom frame. In this way, not only can torsion and failure of the transmission shaft 12 be effectively avoided, but also the bottom door can be made to respond quickly.
In an exemplary embodiment, the transmission shaft 12 includes a short shaft segment hinged to the lower bell crank 34 and a long shaft segment at both ends of the short shaft segment, and the long shaft segment is connected to the bottom door of the hopper car through the first bearing 11 at one end and connected to the short shaft segment through a coupling 13 at the other end. Through this minor axis section, can effectively avoid whole transmission shaft 12 to twist reverse and the inefficacy for the switching work of bottom door can normally go on.
It should be noted that, in the case that the linear actuators 42 are configured in multiple sets, the corresponding transmission shafts 12 may be coaxially disposed through the coupling 13, for example, the intermediate shaft 5 shown in fig. 3 and 4 is indirectly a short shaft section through the coupling 13, thereby enabling the motion to be efficiently transmitted.
Referring to fig. 1 and 2, in one embodiment, the linear driving assembly includes a connecting rod 41 and a driver 42, wherein one end of the connecting rod 41 is hinged to the rotating member, and the other end is hinged to the output end of the driver 42. In this way, the position of the actuator 42 can be easily arranged, so that the space under the vehicle body can be effectively utilized, and the vehicle performance parameter per linear meter of weight can be improved.
Wherein the actuator 42 may be configured as a pneumatic cylinder, a hydraulic cylinder, or a linear module. In the present invention, the actuator 42 is configured as a cylinder, and specifically, a heavy standard cylinder of the SC125/160 cylinder diameter series is selected. With respect to the kind and specification of the driver 42, those skilled in the art can apply the environment flexible setting without limitation.
In the present invention, the rotating member includes a support 21 fixed on the bottom frame of the hopper car and a movable arm 22 hinged to the support 21, and the movable arm 22 is hinged to the first crank 31 and the output end respectively. Therefore, the first crank throw 31 and the output end can keep a certain distance from the frame, and the interference between the first crank throw 31 and the output end and other components in the movement process is avoided, so that the normal opening and closing operation of the bottom door can be ensured. Furthermore, such an arrangement may also facilitate maintenance of the various components. The support 21 may be welded to the chassis, or may be fixed to the chassis by a fastener (e.g., a screw, a bolt, a nut), which is not limited in the present invention.
In the embodiment provided by the present invention, the movable arm 22 may be hinged to the first crank throw 31 through a pin, or may be connected to the first crank throw 31 through any other suitable component, such as a universal shaft coupler 13, and the present invention is not limited thereto.
In an embodiment of the present invention, both ends of the connecting member 32 are respectively connected to the first crank throw 31 and the second crank throw 33 through second bearings, so that the impact generated during the movement can be reduced by the rotation of the connecting member 32. As for the type of the second bearing, a deep groove ball bearing and a self-aligning roller bearing can be adopted, and the type can be flexibly selected by a person skilled in the art according to actual requirements.
Referring to fig. 1 and 2, in the present invention, the output end of the linear driving assembly is horizontally disposed, so that the generated thrust can be accurately transmitted to the first bell crank 31 in the horizontal direction, and the transmission efficiency can be ensured.
According to a first aspect of the invention, the invention also provides a 30-ton axle-weight side-dumping coal hopper car, which comprises side walls, a hopper ridge, an underframe and a bottom door covering between the side walls and the hopper ridge. The hopper car further comprises a bottom door opening and closing mechanism according to the first aspect. Therefore, the reliability of the position of the bottom door in the opening and closing states can be ensured, and the loading and unloading work of the materials can be carried out orderly. The hopper car comprises a bottom door opening and closing mechanism, so that the hopper car has the same technical effect as the bottom door opening and closing mechanism, and the detailed description is omitted.
The present invention is not limited to the above-described alternative embodiments, and various other embodiments can be obtained by those skilled in the art from the above-described embodiments in any combination, and any other embodiments can be obtained in various forms while still being within the spirit of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (10)
1. A bottom door opening and closing mechanism is used for a 30-ton axle load side dumping type coal hopper car and is characterized by comprising:
the top connection component is used for being hinged to a bottom door of the hopper car;
the rotating part is hinged to the bottom frame of the hopper car;
the transmission assembly comprises a first crank (31), a connecting piece (32), a second crank (33) and a lower crank (34) which are sequentially hinged from top to bottom, wherein the first crank (31) is hinged to the rotating piece, and the lower crank (34) is hinged to the abutting assembly; and
and the output end of the linear driving component is hinged to the rotating component, so that when the linear driving component stretches, the first crank (31) can be driven to act.
2. The bottom door opening and closing mechanism according to claim 1, wherein the butting assembly comprises a first bearing (11) and a transmission shaft (12), wherein the transmission shaft (12) is rotatably connected with the lower crank (34), and both ends of the transmission shaft (12) are connected to the bottom door of the hopper car through the first bearing (11).
3. A bottom door opening and closing mechanism according to claim 2, wherein said transmission shaft (12) is provided below said base frame and near the middle of said base frame.
4. The bottom door opening and closing mechanism according to claim 2, wherein the transmission shaft (12) comprises a short shaft section hinged to the lower crank (34) and a long shaft section located at two ends of the short shaft section, one end of the long shaft section is connected to the bottom door of the hopper car through the first bearing (11), and the other end of the long shaft section is connected to the short shaft section through a coupler (13).
5. A bottom door opening and closing mechanism according to claim 1, wherein the linear driving assembly comprises a link (41) and a driver (42), one end of the link (41) is hinged to the rotating member, and the other end is hinged to the output end of the driver (42).
6. A bottom door opening and closing mechanism according to claim 5, wherein the actuator (42) is a pneumatic cylinder, a hydraulic cylinder or a linear module.
7. A bottom door opening and closing mechanism as claimed in claim 1, wherein said rotating member comprises a support (21) fixed to the bottom frame of the hopper car and a movable arm (22) hinged to said support (21), said movable arm (22) being hinged to said first crank (31) and to said output end, respectively.
8. The bottom door opening and closing mechanism according to claim 1, wherein both ends of the connecting member (32) are connected to the first crank (31) and the second crank (33) through second bearings, respectively.
9. The bottom door opening and closing mechanism according to claim 1, wherein the output end of the linear driving unit is horizontally disposed.
10. A30-ton axle-weight side-dumping coal hopper wagon, which comprises a side wall, a hopper ridge, an underframe and a bottom door covering the space between the side wall and the hopper ridge, and is characterized in that the 30-ton axle-weight side-dumping coal hopper wagon further comprises a bottom door opening and closing mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707573.3A CN111806474A (en) | 2020-07-21 | 2020-07-21 | 30-ton axle weight side-dumping coal hopper car and bottom door opening and closing mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707573.3A CN111806474A (en) | 2020-07-21 | 2020-07-21 | 30-ton axle weight side-dumping coal hopper car and bottom door opening and closing mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111806474A true CN111806474A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010707573.3A Pending CN111806474A (en) | 2020-07-21 | 2020-07-21 | 30-ton axle weight side-dumping coal hopper car and bottom door opening and closing mechanism thereof |
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| CN (1) | CN111806474A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202508092U (en) * | 2011-12-30 | 2012-10-31 | 太原轨道交通装备有限责任公司 | Mechanism for opening and closing bottom door of railway coal hopper wagon |
| CN205059608U (en) * | 2015-10-28 | 2016-03-02 | 南车长江车辆有限公司 | Stone tiny fragments of stone, coal, etc. hopper car bottom door stop device |
| CN206125041U (en) * | 2016-10-19 | 2017-04-26 | 中车太原机车车辆有限公司 | Coal hopper car unloads in pnematic whole group of load 70t |
| CN110466546A (en) * | 2019-07-29 | 2019-11-19 | 中车太原机车车辆有限公司 | A kind of limiting device for hopper wagon bottom door switching mechanism |
| CN110816562A (en) * | 2019-12-09 | 2020-02-21 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | Hopper car bottom door opening mechanism |
| CN210234960U (en) * | 2019-07-17 | 2020-04-03 | 江苏瑞铁轨道装备股份有限公司 | Hopper car bottom door opening and closing mechanism |
-
2020
- 2020-07-21 CN CN202010707573.3A patent/CN111806474A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202508092U (en) * | 2011-12-30 | 2012-10-31 | 太原轨道交通装备有限责任公司 | Mechanism for opening and closing bottom door of railway coal hopper wagon |
| CN205059608U (en) * | 2015-10-28 | 2016-03-02 | 南车长江车辆有限公司 | Stone tiny fragments of stone, coal, etc. hopper car bottom door stop device |
| CN206125041U (en) * | 2016-10-19 | 2017-04-26 | 中车太原机车车辆有限公司 | Coal hopper car unloads in pnematic whole group of load 70t |
| CN210234960U (en) * | 2019-07-17 | 2020-04-03 | 江苏瑞铁轨道装备股份有限公司 | Hopper car bottom door opening and closing mechanism |
| CN110466546A (en) * | 2019-07-29 | 2019-11-19 | 中车太原机车车辆有限公司 | A kind of limiting device for hopper wagon bottom door switching mechanism |
| CN110816562A (en) * | 2019-12-09 | 2020-02-21 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | Hopper car bottom door opening mechanism |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |