CN208429079U - Vehicle bottom door open-close device and compartment and lorry - Google Patents
Vehicle bottom door open-close device and compartment and lorry Download PDFInfo
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- CN208429079U CN208429079U CN201821178764.XU CN201821178764U CN208429079U CN 208429079 U CN208429079 U CN 208429079U CN 201821178764 U CN201821178764 U CN 201821178764U CN 208429079 U CN208429079 U CN 208429079U
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- bottom door
- connecting rod
- close device
- door open
- chassis
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Abstract
The utility model discloses a kind of vehicle bottom door open-close device and compartments and lorry.The vehicle bottom door open-close device includes chassis, bottom door, central transmission shaft, toggle linkage, connecting rod and roller lever.There is roller bearing, roller support is configured to the surface scrolls along door beam on door beam in roller lever.The device of the utility model can control the unlatching and closure of bottom door.
Description
Technical field
The utility model relates to a kind of vehicle bottom door open-close device and compartments and lorry, more particularly to a kind of railroad hopper formula
The vehicle bottom door open-close device and compartment and lorry of lorry.
Background technique
Currently, domestic fortune is coaling, the railroad hopper formula lorry of the loose goods such as charcoal, ore generally uses the outer side dumping of track
Cargo interests formula.These bottom door opening-closing mechanism for railroad hopper wagon include two kinds of forms: a kind of double embrace " big blade " bottom used for early stage
Door open/close machine；Another kind is at present with relatively broad top locking-type bottom door opening and closing mechanism.
The operation of double embrace " big blade " bottom door opening and closing mechanism is time-consuming and laborious, and efficiency is lower.Top locking-type bottom door opening and closing mechanism passes through
The rolling of internal cambered surface is locked on bottom door pin and top, reduces the resistance of enabling, improves the working efficiency of mechanism opening and closing.But it pushes up
Locking device structure and shape are complex, and installation, debugging and detection are more difficult, and push up locking device and do not have locking functions.
Utility model content
In view of this, one of the utility model is designed to provide a kind of vehicle bottom door open-close device, pass through connecting rod machine
Structure drives a roller lever, controls the unlatching and closure of bottom door.The utility model is it is a further objective that provide a kind of tool
There is the vehicle bottom door open-close device of eccentric locking functions.
Another of the utility model is designed to provide a kind of compartment including above-mentioned vehicle bottom door open-close device, can be with
Reduce resistance.
The further object of the utility model is to provide a kind of lorry including above-mentioned vehicle bottom door open-close device, avoid
Bottom door is surprisingly opened, and guarantees transportation safety.
The utility model adopts the following technical solution realizes above-mentioned purpose.
The vehicle bottom door open-close device of the utility model is the bottom door open-close device of unloading railway hopper car on the outside of track, including
Chassis, bottom door, central transmission shaft, toggle linkage, connecting rod and roller lever；The bottom door is fixed on described in an inclined manner
The lower part of chassis, and at least side of the bottom door has door beam；The chassis has limited block；The central transmission shaft is set
Set in the lower part of the chassis, the toggle linkage is separately positioned on the both ends of the central transmission shaft, and with it is described in
Entreat drive shaft vertical；The toggle linkage is connect by the connecting rod with one end of the roller lever；The roller lever
The other end connect by the limited block of the chassis with the chassis；There is roller bearing, the roller bearing branch in the roller lever
Support is configured to the surface scrolls along the door beam and can be limited by the limited block roll on the door beam.This
The vehicle bottom door open-close device structure of utility model is simple, with reliable；Pass through roller bearing in door during the opening and closing of bottom door
The rolling on beam surface reduces resistance, thus convenient and strength-saving.
In the present invention, chassis can be a part of car body or be independent part.The shape of chassis
It is not particularly limited.Car body can be funnel type, such as be formed by single funnel type structure, or by two funnel types
Structure is formed.
In the present invention, the bottom door is fixed on the lower part of the chassis in an inclined manner.Inclined angle is simultaneously
It is not particularly limited, depending on car body shape.The fixed form of bottom door is not particularly limited, as long as guaranteeing that it can be just
Normally open or closing, for example, pin joint mode.One side M and chassis pin joint of bottom door, another side M ' can be around one side M
Rotation.At least side of bottom door has door beam；Preferably, the two sides of bottom door all have a beam.So-called " side " indicate with it is described
The part intersected on one side.
Vehicle bottom door open-close device according to the present utility model, it is preferable that the roller lever includes the first rotation section and the
Two rotation sections, the first rotation section are connect with the connecting rod, and the second rotation section is connect with the limited block, the roller bearing and first turn
The distance between dynamic portion is less than the distance between the roller bearing and the second rotation section.Position is distinguished in first rotation section and the second rotation section
In two ends of the roller lever, the roller bearing is close to the first rotation section.
Vehicle bottom door open-close device according to the present utility model, it is preferable that in the center O and the first rotation section of the roller bearing
The line AB between the center A of line OA and the first rotation section and the center B of the second rotation section between heart A is not in straight line
On, line OA and line AB form eccentric angle α.The vehicle bottom door open-close device of the utility model has eccentric locking functions, avoids
Bottom door is surprisingly opened, and guarantees transportation safety.
Vehicle bottom door open-close device according to the present utility model, it is preferable that the eccentric angle α is 2~5 °.Preferably, eccentric
Angle α is 2~3 °.Sufficiently bottom door can be avoided surprisingly to open in this way.
Vehicle bottom door open-close device according to the present utility model, it is preferable that the limited block be stretched out from the chassis it is prominent
Portion out, and plane angle folded by the direction towards the roller bearing where the limited block and the chassis is acute angle.Protruding portion
Shape be not particularly limited.The limited block can be integrally formed with the chassis or welding fabrication, is preferably integrated into
Type.The roller bearing of roller lever is rolled along door beam, and range is restricted to abut with protruding portion.
The lower part of chassis is arranged in an embodiment according to the present utility model, central transmission shaft, toggle linkage
Quantity is two, is separately positioned on the both ends of central transmission shaft, and vertical with central transmission shaft.First connecting rod and second
The quantity of connecting rod is respectively two, is separately positioned on the both ends of central transmission shaft；First roller lever and the second roller lever
Quantity be two, be separately positioned near the both ends of central transmission shaft.Toggle linkage passes through first connecting rod and the first rolling
The other end of one end pin joint of shaft lever, the first roller lever passes through limited block and chassis pin joint；Toggle linkage also passes through second
The other end of one end pin joint of connecting rod and the second roller lever, the second roller lever passes through limited block and chassis pin joint.
Vehicle bottom door open-close device according to the present utility model, it is preferable that the toggle linkage includes being located in toggle linkage
Between central connection, the first connecting portion on the right side of centrally located interconnecting piece and second on the left of centrally located interconnecting piece connect
Portion；The connecting rod includes the second company on the right side of first connecting rod and centrally located drive shaft on the left of centrally located drive shaft
Bar；Central connection is connect with central transmission shaft, and first connecting portion is connect with first connecting rod, second connecting portion and second connecting rod
Connection.Here " right side ", " left side " is relative concept, is used for convenience, its absolute position is not intended to limit
It sets.Under the external forces such as wind regime power or manpower, central transmission shaft rotates, and toggle linkage is driven to rotate, and first
Connecting rod and second connecting rod rotate with it, and then roller lever is pushed to rotate around limited block.At this point, roller bearing has the door beam for leaving bottom door
Trend, bottom door are opened by gravity, while being limited by roller bearing, are at the uniform velocity opened.Under the external forces such as wind regime power or manpower,
Central transmission shaft rotates backward, and whole device antiport is driven, so that bottom door be made to close.
Vehicle bottom door open-close device according to the present utility model, it is preferable that first connecting rod and second connecting rod are " L " type knot
Structure has stock interconnected and quarter butt, forms obtuse angle between stock and quarter butt.L-shaped structure indicates rough shape.It is long
Bar and quarter butt can integrally formed or welding fabrication, be preferably integrally formed.Stock is rotatably coupled with limited block, quarter butt with
Toggle linkage is rotatably coupled.
Vehicle bottom door open-close device according to the present utility model, it is preferable that the connection type of first connecting portion and first connecting rod
For pin joint, the connection type of second connecting portion and second connecting rod is pin joint.It is easy for installation in this way.
The utility model also provides a kind of compartment comprising above-mentioned vehicle bottom door open-close device；The quantity of bottom door is two, point
Not Wei Yu chassis two sides；The quantity of toggle linkage is two, is located at the both ends of the central transmission shaft；The connecting rod
Quantity be two groups, be located at the both ends of the central transmission shaft；The quantity of the roller lever is four, is located at
The two sides of the bottom door.An embodiment according to the present utility model, compartment further include car body, and car body is located at bottom
The top of frame.Car body can be funnel type, such as be formed by single funnel type structure, or by two funnel type structure shapes
At.
The utility model also provides a kind of lorry, is railway hopper car of unloading on the outside of track, including vehicle as described above
Compartment.Lorry can also include driving device, can be using those of known in the art, preferably engine.
The vehicle bottom door open-close device structure of the utility model is simple, with reliable；During the opening and closing of bottom door, rolling
Axis can reduce resistance along the surface scrolls of door beam in this way.The vehicle bottom door open-close device of the utility model has eccentric locking function
Can, it avoids bottom door from surprisingly opening, guarantees transportation safety.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of vehicle bottom door open-close device of the utility model.
Fig. 2 is the position partial enlarged view of the roller lever of Fig. 1.
Fig. 3 is the closed mode schematic diagram of the device of Fig. 1.
Fig. 4 is the sectional schematic diagram that the device of Fig. 1 is opened into a certain position.
Fig. 5 is the partial enlarged view that the device of Fig. 1 is opened into a certain position.
Fig. 6 is the full-gear schematic diagram of the device of Fig. 1.
Fig. 7 is the eccentric locking functional schematic of the utility model.
The reference numerals are as follows:
1- chassis, 2- bottom door, 3- central transmission shaft, 4- toggle linkage, 41- first connecting portion, 42- second connecting portion,
43- central connection, the first roller lever of 51-, the second roller lever of 52-, 61- first connecting rod, 62- second connecting rod, 7- beams,
8- roller bearing, the first rotation section 81-, the second rotation section 82-, 9- limited block.
Specific embodiment
The utility model is further described combined with specific embodiments below, but the protection scope of the utility model is simultaneously
It is without being limited thereto.
Embodiment 1
Fig. 1 is a kind of structural schematic diagram of vehicle bottom door open-close device of the utility model.The vehicle bottom door open-close device is rail
The bottom door open-close device of unloading railway hopper car on the outside of road, including chassis 1, bottom door 2, central transmission shaft 3, toggle linkage 4, the
One roller lever 51, the second roller lever 51, first connecting rod 61 and second connecting rod 62.
As shown in Figures 2 and 3, the quantity of the bottom door 2 of the present embodiment is two.Each bottom door 2 is fixed in an inclined manner
In the lower part of chassis 1, one side M and 1 pin joint of chassis of bottom door 2, another side M ' can be rotated around one side M.The two sides of bottom door 2
All have a beam 7.Chassis 1 is being provided with limited block 9 near door beam 7, for the protruding portion stretched out from chassis；Limited block
9 with 1 place plane angle folded by the direction towards 8 (see below) of roller bearing of chassis be acute angle.
As shown in figs. 1 and 3, the lower part of chassis 1 is arranged in central transmission shaft 3, and the quantity of toggle linkage 4 is two, point
The both ends of not centrally disposed drive shaft 3, and it is vertical with central transmission shaft 3.First connecting rod 61 and second connecting rod 62
Quantity is respectively two, is separately positioned on the both ends of central transmission shaft 3；First roller lever 51 and the second roller lever 52
Quantity is two, is separately positioned near the both ends of central transmission shaft 3.Toggle linkage 4 passes through first connecting rod 61 and first
The other end of one end pin joint of roller lever 51, the first roller lever 51 passes through limited block 9 and 1 pin joint of chassis；Toggle linkage 4 is also
By one end pin joint of second connecting rod 62 and the second roller lever 52, the other end of the second roller lever 52 by limited block 9 with
1 pin joint of chassis.
As shown in figs. 1 and 3, toggle linkage 4 includes the central connection 43 for being located at 7 centre of toggle linkage, centrally located company
The second connecting portion 42 in 43 left side of first connecting portion 41 and centrally located interconnecting piece on 43 right side of socket part.During first connecting rod 61 is located at
Entreat 3 left side of drive shaft, centrally located 3 right side of drive shaft of second connecting rod 62.First connecting rod 61 and second connecting rod 62 are " L "
Type structure all has stock and quarter butt interconnected, forms obtuse angle between stock and quarter butt.Central connection 43 and center pass
Turn axis 3 connects, first connecting portion 41 and 61 pin joint of first connecting rod, second connecting portion 42 and 62 pin joint of second connecting rod.
As shown in Figures 2 and 3, the first roller lever 51 and the second roller lever 52 all have roller bearing 8.Roller bearing 8 is supported on bottom
On the door beam 7 of door 2, and it is configured to the surface scrolls along door beam 7 and the limitation rolling of block 9 can be limited.
First roller lever 51 is identical with the structure of the second roller lever 52, below only by taking the first roller lever 51 as an example into
Row explanation.As shown in fig. 7, the first roller lever 51 includes the first rotation section 81 and the second rotation section 82, the first rotation section 81 with
First connecting rod 61 connects, and the second rotation section 82 is connect with limited block 9.The distance between roller bearing 8 and the first rotation section 81 are less than rolling
The distance between axis 8 and the second rotation section 82.Line OA between the center O of roller bearing 8 and the center A of the first rotation section 81 and
Not point-blank, the two forms bias to line AB between the center A of one rotation section 81 and the center B of the second rotation section 82
Angle α is 3 °.
As shown in figures 4-6, under the external forces such as wind regime power or manpower, central transmission shaft 3 rotates, and band
Dynamic toggle linkage 4 rotates, and first connecting rod 61 and second connecting rod 62 rotate with it, and then pushes the first roller lever 51 and the second rolling
Shaft lever 52 is rotated around limited block 9.At this point, roller bearing 8 has the tendency that the door beam 7 for leaving bottom door 2, bottom door 2 are opened by gravity,
It is limited simultaneously by roller bearing 8, at the uniform velocity opens, reach full-gear shown in fig. 6.In the external forces such as wind regime power or manpower
Under, central transmission shaft 3 rotates backward, and drives whole device antiport, so that bottom door 2 be made to close, reaches pass shown in Fig. 3
Closed state.
Embodiment 2
The compartment of the present embodiment includes the vehicle bottom door open-close device of car body and embodiment 1.Car body is located at chassis 1
Top, formed by two funnel type structures.The quantity of bottom door 2 is two, is located at the two sides of chassis 1.
Embodiment 3
The lorry of the present embodiment is railway hopper car of unloading on the outside of track, the compartment including engine and embodiment 2.Fire
Vehicle device vehicle is set as that carriage movements can be driven.
The utility model is not limited to the above embodiment, without departing substantially from the substantive content of the utility model,
It may occur to persons skilled in the art that any deformation, improvement, replacement each fall within the scope of the utility model.
Claims (10)
1. a kind of vehicle bottom door open-close device, which is characterized in that the vehicle bottom door open-close device is railroad hopper of unloading on the outside of track
The bottom door open-close device of vehicle, including chassis, bottom door, central transmission shaft, toggle linkage, connecting rod and roller lever；
Wherein, the bottom door is fixed on the lower part of the chassis in an inclined manner, and at least side of the bottom door has door
Beam；The chassis has limited block；The lower part of the chassis is arranged in the central transmission shaft, and the toggle linkage is set respectively
It sets at the both ends of the central transmission shaft, and vertical with the central transmission shaft；The toggle linkage passes through the company
Bar is connect with one end of the roller lever；The limited block and the chassis that the other end of the roller lever passes through the chassis
Connection；
Wherein, there is roller bearing, the roller support is configured on the door beam along the door in the roller lever
The surface scrolls of beam and can by the limited block limit roll.
2. vehicle bottom door open-close device according to claim 1, which is characterized in that the roller lever includes the first rotation section
With the second rotation section, the first rotation section is connect with the connecting rod, and the second rotation section is connect with the limited block, the roller bearing and
The distance between one rotation section is less than the distance between the roller bearing and the second rotation section.
3. vehicle bottom door open-close device according to claim 2, which is characterized in that the rotation of the center O of the roller bearing and first
The line AB between the center A of line OA and the first rotation section and the center B of the second rotation section between the center A in portion is not one
On straight line, line OA and line AB form eccentric angle α.
4. vehicle bottom door open-close device according to claim 3, which is characterized in that the eccentric angle α is 2~5 °.
5. vehicle bottom door open-close device according to claim 1, which is characterized in that the limited block is to stretch out from the chassis
Protruding portion, and plane angle folded by the direction towards the roller bearing where the limited block and the chassis is acute angle.
6. vehicle bottom door open-close device according to claim 1, which is characterized in that the toggle linkage includes being located at duplex thick stick
The first connecting portion on the right side of central connection, centrally located interconnecting piece and second on the left of centrally located interconnecting piece among bar connect
Socket part；The connecting rod includes the second company on the right side of first connecting rod and centrally located drive shaft on the left of centrally located drive shaft
Bar；Central connection is connect with central transmission shaft, and first connecting portion is connect with first connecting rod, second connecting portion and second connecting rod
Connection.
7. vehicle bottom door open-close device according to claim 6, which is characterized in that first connecting rod and second connecting rod are " L "
Type structure has stock interconnected and quarter butt, forms obtuse angle between stock and quarter butt.
8. vehicle bottom door open-close device according to claim 6, which is characterized in that the connection of first connecting portion and first connecting rod
Mode is pin joint, and the connection type of second connecting portion and second connecting rod is pin joint.
9. a kind of compartment, which is characterized in that it includes vehicle bottom door open-close device as described in any one of claims 1 to 8；Bottom door
Quantity be two, be located at the two sides of chassis；The quantity of toggle linkage is two, is located at the central transmission shaft
Both ends；The quantity of the connecting rod is two groups, is located at the both ends of the central transmission shaft；The quantity of the roller lever
It is four, is located at the two sides of the bottom door.
10. a kind of lorry, which is characterized in that it is railway hopper car of unloading on the outside of track, including vehicle as claimed in claim 9
Compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178764.XU CN208429079U (en) | 2018-07-25 | 2018-07-25 | Vehicle bottom door open-close device and compartment and lorry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178764.XU CN208429079U (en) | 2018-07-25 | 2018-07-25 | Vehicle bottom door open-close device and compartment and lorry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208429079U true CN208429079U (en) | 2019-01-25 |
Family
ID=65097479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821178764.XU Active CN208429079U (en) | 2018-07-25 | 2018-07-25 | Vehicle bottom door open-close device and compartment and lorry |
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| Country | Link |
|---|---|
| CN (1) | CN208429079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745052A (en) * | 2019-10-12 | 2020-02-04 | 眉山中车物流装备有限公司 | Locking system for trunk tail door of carriage |
-
2018
- 2018-07-25 CN CN201821178764.XU patent/CN208429079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745052A (en) * | 2019-10-12 | 2020-02-04 | 眉山中车物流装备有限公司 | Locking system for trunk tail door of carriage |
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