CN209426643U - Tailgate system and vehicle - Google Patents
Tailgate system and vehicle Download PDFInfo
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- CN209426643U CN209426643U CN201822038384.2U CN201822038384U CN209426643U CN 209426643 U CN209426643 U CN 209426643U CN 201822038384 U CN201822038384 U CN 201822038384U CN 209426643 U CN209426643 U CN 209426643U
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000002828 fuel tank Substances 0.000 claims description 32
- 230000008859 change Effects 0.000 claims description 21
- 239000000446 fuel Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 55
- 238000000034 method Methods 0.000 description 12
- 230000007423 decrease Effects 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 9
- 230000036544 posture Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The disclosure provides a kind of tailgate system and the vehicle using the tailgate system.Tailgate system includes for being mounted on the tailgate of railway carriage tail portion, carriage drive mechanism, panel driving mechanism, detection device and control device.Tailgate includes the panel for accepting cargo and the bracket for going up and down panel, and one end of bracket and panel are hinged, and the other end with vehicle for connecting；Carriage drive mechanism is used for driving arm so that bracket drives panel lifting；Panel driving mechanism is overturn for driving panel relative to bracket；Detection device is used to detect the state of tailgate；Control device is connect with carriage drive mechanism, panel driving mechanism and detection device signal, and control device is configured as: controlling carriage drive mechanism and/or panel driving mechanism action according to the testing result of detection device to control position and/or the posture of tailgate.The tailgate state that the tailgate system can be detected according to detection device automatically controls position and/or the posture of tailgate.
Description
Technical field
The utility model relates to a kind of handling facilities, in particular to a kind of tailgate system and vehicle.
Background technique
Tailgate is a kind of Hydraulic for lifting load handling facilities for being mounted on vehicle tail.European and American developed countries it is prevailing three,
40 years, last century the nineties were passed to inland of China through Hongkong and Macro and are received by client rapidly.The van of tailgate is installed additional
It can not be limited by place, equipment and manpower in handling goods, achievable cargo handling, is filled using tailgate an only people
Unloading has the characteristics that quick, safe and efficient, can improve transportation loading and unloading efficiency, is the important equipment of Modern Materials Circulation transport.But it passes
Uniting, there are complicated for operation, operating positions to need the problems such as determining by human eye for Hydraulic Pressure Trail Plank.
Utility model content
The purpose of this utility model is to provide a kind of tailgate system, what which can detect according to detection device
Tailgate state automatically controls position and/or the posture of tailgate.The utility model also provides a kind of vehicle of application tailgate system.
The utility model first aspect provides a kind of tailgate system, comprising:
Tailgate, for being mounted on railway carriage tail portion, including the panel for accepting cargo and the branch for going up and down the panel
Frame, one end of the bracket and the panel are hinged, and the other end with the vehicle for connecting；
Carriage drive mechanism, for driving the bracket so that the bracket drives the panel lifting；
Panel driving mechanism, for driving the panel to overturn relative to the bracket；
Detection device, for detecting the state of the tailgate；
Control device is connect, institute with the carriage drive mechanism, the panel driving mechanism and the detection device signal
It states control device to be configured as: the carriage drive mechanism and/or the face is controlled according to the testing result of the detection device
Plate driving mechanism is acted to control position and/or the posture of the tailgate.
Further, the detection device include panel condition checkout gear for detecting the state of the panel and/
Or the bracket condition checkout gear of the state for detecting the bracket.
Further, the panel condition checkout gear includes:
Level sensor, for detecting whether the panel is in a horizontal position；And/or
Shutdown position sensor, for detecting whether the panel is in shutdown position close to the railway carriage.
Further, the bracket condition checkout gear includes:
First support position sensor, for detecting whether the bracket is in first support position, in bracket position
When the first support position, the panel driving mechanism can drive the panel to overturn to flat with the bottom plate of the railway carriage
Together；And/or
Second support position sensor, for detecting whether the bracket is in second support position, in bracket position
When the second support position, the hinge joint of the panel and the bracket is located at the minimum position of terrain clearance.
Further, the carriage drive mechanism is lifting cylinder, and the panel driving mechanism is overturning oil cylinder, the tail
Plate system further includes the hydraulic system for controlling the lifting cylinder and overturning oil cylinder movement, the hydraulic system packet
It includes:
Hydraulic pump；
Fuel tank, the first chamber of the lifting cylinder and the first chamber of the overturning oil cylinder are connected to the fuel tank；With
Commutate valve group, the second chamber of the second chamber of the lifting cylinder and the overturning oil cylinder by the commutation valve group and
The oil-feed port of the hydraulic pump and fuel tank connection, the control device are connect with the commutation valve group signal to control
Commutation valve group is stated in the hydraulic oil pump feed, makes the oil-feed port of the hydraulic pump in the independent and lifting cylinder the second chamber
Connection individually switches between the connection of the second chamber of the overturning oil cylinder, in the hydraulic pump not fuel feeding, makes described
Between second chamber of lifting cylinder and the fuel tank be connected to or disconnection between switch and make the second chamber of the overturning oil cylinder
Between the fuel tank be connected to or disconnection between switch.
Further, the commutation valve group includes:
First reversal valve is connect with the control device signal, the second chamber and the overturning oil cylinder of the lifting cylinder
The second chamber connect with the oil-feed port of the hydraulic pump by first reversal valve；With
Second reversal valve is connect with the control device signal, the oil-feed port of first reversal valve and the hydraulic pump
Between oil circuit connect with the fuel tank by second reversal valve.
Further, the hydraulic system includes one-way speed-regulating valve, and the one-way speed-regulating valve is set to the lifting cylinder
The second chamber and first reversal valve between and/or the second chamber and first reversal valve of the overturning oil cylinder between, with
Control device signal connection, the one-way speed-regulating valve include check valve and speed governing valve parallel with one another, and oil liquid is from described the
One reversal valve can circulate toward the check valve direction by the check valve.
Further, first reversal valve is solenoid directional control valve, described in the first working position of the solenoid directional control valve
Second chamber of lifting cylinder is connected to the oil-feed port of the hydraulic pump, the confession of the second chamber and the hydraulic pump of the overturning oil cylinder
The oil circuit of hydraulic fluid port disconnects, in the second working position of the solenoid directional control valve, the second chamber and the hydraulic pump of the overturning oil cylinder
Oil-feed port connection, the oil-feed port of the second chamber and the hydraulic pump of the lifting cylinder oil circuit disconnection.
Further, the first of the overturning oil cylinder is intracavitary equipped with reset spring, and the reset spring is for making described turn over
Turn oil cylinder retraction.
The utility model second aspect discloses a kind of vehicle, including railway carriage and the tailgate for being mounted on the railway carriage tail portion
System.
Based on tailgate system provided by the utility model, by the way that the detection device of device connection is set and controlled, according to inspection
The tailgate behavior control device for surveying device detection can automatically control position and/or the posture of tailgate.
Vehicle provided by the utility model also has corresponding beneficial effect.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that the tailgate system of the utility model embodiment is applied on vehicle；
Fig. 2 is the structural schematic diagram of the hydraulic system of the tailgate system of another embodiment of the utility model；
Fig. 3 is the control structure schematic diagram of the tailgate system of the vehicle of embodiment illustrated in fig. 2；
Fig. 4 a to Fig. 4 g is that the tailgate system enabling of another embodiment of the utility model applied on vehicle was closed the door
Journey schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
As shown in Figure 1, the tailgate system of the utility model embodiment includes tailgate, carriage drive mechanism, panel driving machine
Structure, detection device and control device.Tailgate for being mounted on 20 tail portion of railway carriage, can by tailgate by cargo from railway carriage 20 toward underground
It carries or carries cargo from underground toward railway carriage 20.Railway carriage 20 can be closed or open.Tailgate includes for holding
Connect the panel 21 of cargo and the bracket 22 for going up and down panel 21, one end of bracket 22 and panel 21 are hinged, the other end be used for
Vehicle connection.Carriage drive mechanism is used for driving arm 22 so that bracket 22 drives panel 21 to go up and down.As shown in Figure 1, bracket 22
Hinged with vehicle, carriage drive mechanism can be set to lifting cylinder 8, stretching and retraction by the piston rod of lifting cylinder 8
Carry out the rotation of driving arm 22, so that panel 21 be driven to go up and down.In the unshowned embodiments of some diagrams, bracket 22 can also be with
It is connected between vehicle by guide rail, then carriage drive mechanism can be lifting cylinder 8, gear and rack teeth mechanism, leadscrew-nut mechanism
Etc. mechanisms drive 22 integral elevating of bracket, so that panel 21 be driven to go up and down.Panel driving mechanism is opposite for driving panel 21
It is overturn in bracket 22, panel 21 is hinged on bracket 22, and panel driving mechanism driving panel 21 is overturn, and panel 21 can be made to realize
Vertical state as shown in Figure 1 can also make the overturning of panel 21 to the various states such as horizontality, heeling condition, panel driving
Mechanism can be overturning oil cylinder 9 as shown in Figure 1, be also possible to gear and rack teeth mechanism, silk in some unshowned embodiments
The mechanisms such as thick stick nut body push the overturning of panel 21.
Detection device, for detecting the state of tailgate.It can be filled by laser ranging system, photoelectric sensor device, shooting
It sets, the devices such as pressure sensor are come information such as the position, load, the postures that detect tailgate.
Control device is connect with carriage drive mechanism, panel driving mechanism and detection device signal, and control device is configured
Are as follows: carriage drive mechanism and/or panel driving mechanism action are controlled to control the position of tailgate according to the testing result of detection device
It sets and/or posture.The position of tailgate refers to the location of tailgate and the location of each component of tailgate.The posture of tailgate
Refer to the profile of tailgate entirety and the profile of each component itself.
The tailgate system of the present embodiment, by the way that the detection device of device signal connection is set and controlled, control device can be with
Carriage drive mechanism and panel driving mechanism action are automatically controlled according to the tailgate state of detection device detection, so as to adjust tailgate
Position and/or posture.This embodiment reduces the processes for artificially judging tailgate state and adjustment position and/or posture, help
In improving the automation controlled to tailgate system and precision.
In some embodiments, detection device include for the state of detection panel 21 panel condition checkout gear and/
Or the bracket condition checkout gear of the state for detection support 22.The setting can detecte the position of panel or bracket, appearance
The status informations such as state or load, to facilitate the status information of accurate interpretation tailgate.
In some embodiments, panel condition checkout gear includes level sensor 14 and/or shutdown position sensing
Device 13.Whether level sensor 14 is in a horizontal position for detection panel 21.Shutdown position sensor 13 is for detecting
Whether panel 21 is in close to the shutdown position of railway carriage 20.Level sensor 14 can be the horizontal sensor being located on panel
Device, photoelectric sensor are either located at the devices such as the angular transducer of bracket 22 and 21 hinged place of panel.Shutdown position sensor
It can be located on railway carriage 20, can also be located on panel, for detection panel 21 whether close to railway carriage 20.Shutdown position sensor
It can be touch sensor, be also possible to contactless such as photoelectric sensor etc..
In some embodiments, bracket condition checkout gear includes first support position sensor and/or second support position
Set sensor.Whether first support position sensor is in first support position for detection support 22, is located at the in bracket 22
When one backing positions, panel driving mechanism can the overturning of driving panel 21 to concordant with the bottom plate of railway carriage 20.Implementation as shown in Figure 1
In example, bracket is located at first support position, panel 21 be in railway carriage 20 close to shutdown position, when panel 21 is overturn to level
When state, panel 21 is concordant with the bottom plate of railway carriage 20, so that the cargo on the bottom plate being located in railway carriage 20 can be flat from railway carriage 20
It is quietly transitioned on panel 21.Whether second support position sensor is in second support position for detection support 22, is propping up
When frame 22 is located at second support position, the hinge joint of panel 21 and bracket 22 is located at the minimum position of terrain clearance.Even panel
21 are constantly in horizontality, then panel 21 is minimum at a distance from ground when bracket 22 is located at second support position.If tailgate system
System is for from railway carriage 20 toward ground handling cargo, when bracket 22 is located at first support position, panel 21 to be overturn to horizontality
Concordant with 20 bottom plate of railway carriage, for receiving cargo, then panel 21 makes cargo disposed thereon by being always maintained at horizontality
It keeps stablizing, keeps horizontality falling head in the movement lower panel 21 of bracket 22, when bracket 22 is located at second support position,
21 height of panel of horizontality is kept to drop to minimum, then the tip tilt to the ground of panel 21, so that cargo be made smoothly to move
It moves to ground.When bracket 22 is connect with vehicle by track, first position sensor and second support position sensor be can be
Travel switch, touch sensor, photoelectric sensor etc..When bracket 22 passes through rotation drive face in embodiment as shown in Figure 1
When plate 21 is gone up and down, first position sensor and second support position sensor can also be angular transducer etc..
In some embodiments, as shown in Figure 1 and Figure 2, carriage drive mechanism is lifting cylinder 8, and panel driving mechanism is to turn over
Turn oil cylinder 9, tailgate system further includes the hydraulic system acted for controlling lifting cylinder 8 and overturning oil cylinder 9, and hydraulic system includes
Hydraulic pump 3, fuel tank 1 and commutation valve group.In Fig. 1, embodiment illustrated in fig. 2, the stretching of lifting cylinder 8 and retraction are (i.e. by piston
Bar stretches out and retraction) rotating upward and downward for bracket 22, so that the raising and lowering of panel 21 is driven, overturning oil
The stretching of cylinder 9 and retraction (i.e. by the stretching of piston rod and retraction) being flipped up and downwardly turning over for panel 21.Hydraulic pump 3
Fuel feeding when for stretching for lifting cylinder 8 and overturning oil cylinder 9.First chamber of the first chamber of lifting cylinder 8 and overturning oil cylinder 9 with
Fuel tank 1 is connected to；Second chamber of the second chamber of lifting cylinder 8 and overturning oil cylinder 9 by the oil-feed port of commutation valve group and hydraulic pump 3 with
And fuel tank 1 connects.Control device is connect to control commutation valve group in 3 fuel feeding of hydraulic pump with commutation valve group signal, makes hydraulic pump 3
Oil-feed port be individually connected to the second chamber of lifting cylinder 8 or individually cut between the connection of the second chamber of overturning oil cylinder 9
Change, i.e., 3 fuel feeding of hydraulic pump when, the oil-feed port that can switch to hydraulic pump 3 is individually connected to the second chamber of lifting cylinder 8, thus
Lifting cylinder 8 is stretched out, or switches to the oil-feed port of hydraulic pump 3 and is individually connected to the second chamber of overturning oil cylinder 9, to make to turn over
Turn the stretching of oil cylinder 9.Control device is connect to control commutation valve group in 3 not fuel feeding of hydraulic pump with commutation valve group signal, makes to go up and down
Between second chamber of oil cylinder 8 and fuel tank 1 be connected to or disconnection between switch, be connected between the second chamber and fuel tank 1 of lifting cylinder 8
When, lifting cylinder 8 can bounce back under the gravity of bracket, and make between the second chamber of overturning oil cylinder 9 and fuel tank 1 even
On-off switches between opening, and when being connected between the second chamber and fuel tank 1 of overturning oil cylinder 9, overturning oil cylinder 9 can be in the weight of panel 21
It bounces back under power.
In some embodiments, as shown in Fig. 2, commutation valve group includes the first reversal valve and the second reversal valve.First commutation
Valve is connect with control device signal, the second chamber of the second chamber of lifting cylinder 8 and overturning oil cylinder 9 by the first reversal valve with it is hydraulic
Pump 3 oil-feed port connection, the first reversal valve for hydraulic pump 3 oil-feed port the second chamber with lifting cylinder 8 be connected to or with turn over
Turn to switch between the second chamber connection of oil cylinder 9；Second reversal valve is connect with control device signal, the first reversal valve and hydraulic pump 3
Oil-feed port between oil circuit connect with fuel tank 1 by the second reversal valve, the second reversal valve for switch the first reversal valve with it is oily
Connection and disconnection between case 1.
In some embodiments, as shown in Fig. 2, hydraulic system includes one-way speed-regulating valve 7, one-way speed-regulating valve 7 is set to liter
It drops between the second chamber and the first reversal valve of oil cylinder 8 and/or between the second chamber and the first reversal valve of overturning oil cylinder 9, with control
The connection of device signal, one-way speed-regulating valve 7 include check valve and speed governing valve parallel with one another, and oil liquid is from the first reversal valve toward check valve
Direction can circulate by check valve.The setting can make the retraction speed of lifting cylinder 8 or overturning oil cylinder 9 adjustable, thus
It can control the decrease speed of bracket 22 or the speed of panel 21 downwardly turned over.
In some embodiments, as shown in Fig. 2, the first reversal valve is solenoid directional control valve, specifically, implementation shown in Fig. 2
It for two position, three-way electromagnetic change valve 6 in the first working position of solenoid directional control valve is in the embodiment depicted in figure 2 two three in example
Second chamber of the left position of electric change valve 6, lifting cylinder 8 is connected to the oil-feed port of hydraulic pump 3, the second chamber of overturning oil cylinder 9
It is disconnected with the oil circuit of the oil-feed port of hydraulic pump 3, is in the embodiment depicted in figure 2 two in the second working position of solenoid directional control valve
Second chamber of the right position of three-way solenoid valve 6, overturning oil cylinder 9 is connected to the oil-feed port of hydraulic pump 3, and the second of lifting cylinder 8
The oil circuit of the oil-feed port of chamber and hydraulic pump 3 disconnects.The setting, can make control device to the control of valve position of the first reversal valve more
Facilitate sensitive.
In some embodiments, the first of overturning oil cylinder 9 is intracavitary equipped with reset spring, and reset spring is for making overturning oil cylinder
9 retractions.The setting can make downwardly turning over for panel 21 more convenient reliable.
The utility model second aspect discloses a kind of vehicle, including railway carriage 20 and the tailgate system for being mounted on 20 tail portion of railway carriage
System.
The utility model third aspect also provides a kind of control method of the tailgate system of vehicle, comprising:
The state of tailgate is detected using detection device and forms testing result；
Control device controls carriage drive mechanism and the movement of tailgate driving mechanism according to testing result to control the position of tailgate
It sets and/or posture.
In some embodiments, the state for detecting tailgate includes the state of detection panel 21 and/or the state of bracket 22.
In some embodiments, the state of detection panel 21 includes whether detection panel 21 is in a horizontal position and/or examines
Survey whether panel 21 is in close to the shutdown position of railway carriage 20.
In some embodiments, the state of detection support 22 include detection support 22 whether in first support position and/
Or whether detection support 22 is in second support position, wherein in first support position, panel driving mechanism can driving panel 21
Overturning is extremely concordant with the bottom plate of railway carriage 20, and in second support position, it is minimum to be located at terrain clearance for the hinge joint of panel 21 and bracket 22
Position.
The utility model is illustrated with specific embodiment below.
Fig. 1 illustrates the structure chart of the present embodiment, and the tail portion of the railway carriage 20 of the vehicle of the present embodiment is equipped with tailgate system,
The tailgate system of the present embodiment includes tailgate, carriage drive mechanism, panel driving mechanism, detection device and control device.Tailgate
Including panel 21 and bracket 22,22 one end of bracket and vehicle are hinged, and the other end and panel 21 are hinged.Carriage drive mechanism be for
The lifting cylinder 8 that driving arm 22 rotates upward and downward, panel driving mechanism are for driving panel 21 relative to branch
The overturning oil cylinder 9 that frame 22 is overturn, the first of overturning oil cylinder 9 is intracavitary to be equipped with reset spring.Detection device includes being located on panel 21
Level sensor 14 and the shutdown position sensor 13 that is located on aftbody door, detection device further includes being located at vehicle
On first support position sensor and second support position sensor.As shown in Fig. 2, the tailgate system of the present embodiment further includes
The hydraulic system acted for controlling lifting cylinder 8 and overturning oil cylinder 9, hydraulic system includes fuel tank 1, for filtering hydraulic oil
Filter 2, hydraulic pump 3, overflow valve 4, check valve 5, the first reversal valve and the second reversal valve, lifting cylinder 8 and overturning oil cylinder 9
One-way speed-regulating valve 7 is equipped between the first reversal valve.Wherein, the first reversal valve is two position, three-way electromagnetic change valve 6, second changes
It is two-position two-way electromagnetic directional valve 10 to valve.The control device of the present embodiment includes the enabling opened the door for the tailgate of tailgate system
Module, for tailgate system tailgate decline decline module, for tailgate system tailgate rise rising module, for tail
The shutdown module that the tailgate of plate system is closed the door, each module is provided with button and is operated, below with this reality of Fig. 4 a to Fig. 4 g
The complete tailgate for applying the tailgate system of example, which opens the door with door closing procedure, illustrates the course of work of modules.
Open the door: as shown in Fig. 2, Fig. 3 and Fig. 4 a, 4b, panel 21 is in close to the shutdown position of railway carriage 20, and operator is logical
It crosses door open button and sends opening signal I1 to the door opening module of control device, door opening module makes two by controlling signal I5 and I6
Three-way solenoid valve 6 and two-position two-way electromagnetic directional valve 10 are powered on, at this time two position, three-way electromagnetic change valve 6 and two two
The right position work of electric change valve 10, hydraulic oil commutate through fuel tank 1, overturning oil cylinder 9, one-way speed-regulating valve 7, two-position three-way electromagnetic
Fuel tank is returned after valve 6, two-position two-way electromagnetic directional valve 10 and forms hydraulic circuit, and wherein overturning oil cylinder 9 is being resetted with reset spring
Under spring and tailgate gravity, overturning oil cylinder 9 drives panel 21 slowly to decline, and after arrival is concordant with railway carriage 20, triggering is horizontal
Position sensor 14, after signal I7 is fed back to the door opening module of control device by level sensor 14, control device is automatic
Disconnect two-position two-way electromagnetic directional valve 10 and two position, three-way electromagnetic change valve 6 energization, at this time two-position two-way electromagnetic directional valve 10,
The work of the equal left position of two position, three-way electromagnetic change valve 6,22 stop motion of panel 21 and bracket complete door opening process, in the process
The speed that one-way speed-regulating valve 7 can control panel 21 to overturn.
Decline: as shown in Fig. 2, Fig. 3 and Fig. 4 b, 4c, 4d, operator is by declines button to the decline mould of control device
Block sends signal I2, and control device, which declines module, is powered on two-position two-way electromagnetic directional valve 10 by controlling signal I6, this
When the right position of two-position two-way electromagnetic directional valve 10 work, hydraulic oil through fuel tank 1, lifting cylinder 8, one-way speed-regulating valve 7, two-position three way electricity
Magnetic reversal valve 6, two-position two-way electromagnetic directional valve 10 return to fuel tank, form closed circuit, and lifting cylinder 8 drives under the effect of gravity
Panel 21 in horizontality declines, and after bracket 22 drops to second support position, bracket 22 is touched second support position and passed
Signal I11 is fed back to the decline module of control device by sensor, second support position sensor.The decline module of control device is logical
It crosses control signal I5 to be powered to two position, three-way electromagnetic change valve 6, the work of the right position of two position, three-way electromagnetic change valve 6, hydraulic oil is through oil
Case 1, lifting cylinder 8, one-way speed-regulating valve 7, two position, three-way electromagnetic change valve 6, two-position two-way electromagnetic directional valve 10 return to fuel tank 1,
Closed circuit is formed, overturning oil cylinder 9 drives 21 tip tilt of panel, 21 top of panel and stop motion after ground face contact, completes
Decline process, the speed that one-way speed-regulating valve 7 can control the speed of bracket 22 being rotated down and panel 22 to overturn in the process
Degree.
Rise: the operator as shown in Fig. 2, Fig. 3 and Fig. 4 d, Fig. 4 e, Fig. 4 f is risen by rising button to control device
Module sends signal I3, and control device rises module and drives two position, three-way electromagnetic change valve 6 and electricity by control signal I5 and I8
Machine work, motor drive 3 fuel feeding of hydraulic pump, and the right position of two position, three-way electromagnetic change valve 6 works at this time, and hydraulic oil is through fuel tank 1, filtering
The formation of fuel tank 1 is returned after device 2, hydraulic pump 3, check valve 5, two position, three-way electromagnetic change valve 6, one-way speed-regulating valve 7, overturning oil cylinder 9
Hydraulic circuit, under the driving of hydraulic oil, panel 21 is begun turning by obliquity to horizontal position and triggers water by overturning oil cylinder 9
After flat position sensor 14, signal I7 is fed back to the rising module of control device by level sensor 14, control device
Rise the energization that module disconnects two position, three-way electromagnetic change valve 6 automatically, 6 left position of two position, three-way electromagnetic change valve works at this time, liquid
Pressure is by through fuel tank 1, filter 2, hydraulic pump 3, check valve 5, two position, three-way electromagnetic change valve 6, one-way speed-regulating valve 7, lifting cylinder 8
Fuel tank 1 is returned afterwards and forms hydraulic circuit, and bracket 22 starts to drive the panel for being always maintained at horizontality under the driving of lifting cylinder 8
21 rise to first support position, trigger first support position sensor, and first support position sensor feeds back to signal I9
Control device, control device control motor power-off, and hydraulic pump 3 stops working, and uphill process is completed in 22 stop motion of bracket.
Close the door: as shown in Fig. 2, Fig. 3 and Fig. 4 f, Fig. 4 g, operator is by door close button to the shutdown mould of control device
Block sends signal I4, and the shutdown module of control device drives two position, three-way electromagnetic change valve 6 and electricity by control signal I5 and I8
Machine work, hydraulic pump 3 start fuel feeding, at this time the right position of two position, three-way electromagnetic change valve 6 work, hydraulic oil through fuel tank 1, filter 2,
Return fuel tank 1 is formed hydraulic after hydraulic pump 3, check valve 5, two position, three-way electromagnetic change valve 6, one-way speed-regulating valve 7 and overturning oil cylinder 9
Circuit, under the driving of hydraulic oil, 9 driving panel 21 of overturning oil cylinder is overturn after triggering shutdown position sensor 13, is closed the door
Signal I10 is fed back to the shutdown module of control device by position sensor 13, and the shutdown module of control device disconnects two automatically
Door closing procedure is completed in the energization of three-way solenoid valve 6 and motor, tailgate stop motion.
In some embodiments, control device described above can be for for executing function described by the utility model
General processor, the programmable logic controller (PLC) (Programmable Logic Controller, referred to as: PLC), number of energy
Signal processor (Digital Signal Processor, referred to as: DSP), specific integrated circuit (Application
Specific Integrated Circuit, referred to as: ASIC), field programmable gate array (Field-Programmable
Gate Array, referred to as: FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware
Component or it is any appropriately combined.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of tailgate system characterized by comprising
Tailgate, for being mounted on the tail portion of railway carriage (20), including the panel (21) for accepting cargo and for going up and down the face
The bracket (22) of plate (21), hingedly, the other end is used for and the railway carriage for one end and the panel (21) of the bracket (22)
(20) it connects；
Carriage drive mechanism, for driving the bracket (22) so that the bracket (22) drives panel (21) lifting；
Panel driving mechanism, for driving the panel (21) to overturn relative to the bracket (22)；
Detection device, for detecting the state of the tailgate；
Control device is connect, the control with the carriage drive mechanism, the panel driving mechanism and the detection device signal
Device processed is configured as: controlling the carriage drive mechanism according to the testing result of the detection device and/or the panel drives
Mechanism action is moved to control position and/or the posture of the tailgate.
2. tailgate system as described in claim 1, which is characterized in that the detection device includes for detecting the panel
(21) the bracket state-detection dress of the panel condition checkout gear of state and/or the state for detecting the bracket (22)
It sets.
3. tailgate system as claimed in claim 2, which is characterized in that the panel condition checkout gear includes:
Level sensor (14), for detecting whether the panel (21) is in a horizontal position；And/or
Shutdown position sensor (13), for detecting whether the panel (21) is in close to the shutdown position of the railway carriage (20)
It sets.
4. tailgate system as claimed in claim 2, which is characterized in that the bracket condition checkout gear includes:
First support position sensor, for detecting the bracket (22) whether in first support position, in the bracket
(22) be located at the first support position when, the panel driving mechanism can drive the panel (21) overturning to the railway carriage
(20) bottom plate is concordant；And/or
Second support position sensor, for detecting the bracket (22) whether in second support position, in the bracket
(22) when being located at the second support position, it is minimum that the hinge joint of the panel (21) and the bracket (22) is located at terrain clearance
Position.
5. tailgate system as described in claim 1, which is characterized in that the carriage drive mechanism is lifting cylinder (8), described
Panel driving mechanism is overturning oil cylinder (9), and the tailgate system further includes for controlling the lifting cylinder (8) and the overturning
The hydraulic system of oil cylinder (9) movement, the hydraulic system include:
Hydraulic pump (3)；
Fuel tank (1), the first chamber of the lifting cylinder (8) and the first chamber of the overturning oil cylinder (9) and the fuel tank (1) are even
It is logical；With
Commutate valve group, and the second chamber of the lifting cylinder (8) and the second chamber of the overturning oil cylinder (9) pass through the commutation valve group
It is connect with the oil-feed port of the hydraulic pump (3) and the fuel tank (1), the control device is connect with the commutation valve group signal
To control the commutation valve group in the hydraulic pump (3) fuel feeding, make the oil-feed port of the hydraulic pump (3) in the independent and liter
The second chamber connection of drop oil cylinder (8) individually switches between the connection of the second chamber of the overturning oil cylinder (9), in the liquid
Press pump (3) not fuel feeding when, make between the second chamber of the lifting cylinder (8) and the fuel tank (1) be connected to or disconnection between cut
Change and make between the second chamber of the overturning oil cylinder (9) and the fuel tank (1) be connected to or disconnection between switch.
6. tailgate system as claimed in claim 5, which is characterized in that the commutation valve group includes:
First reversal valve is connect with the control device signal, the second chamber and the overturning oil cylinder of the lifting cylinder (8)
(9) the second chamber is connect by first reversal valve with the oil-feed port of the hydraulic pump (3)；With
Second reversal valve is connect with the control device signal, the oil-feed ports of first reversal valve and the hydraulic pump (3) it
Between oil circuit connect with the fuel tank (1) by second reversal valve.
7. tailgate system as claimed in claim 6, which is characterized in that the hydraulic system includes one-way speed-regulating valve (7), described
One-way speed-regulating valve (7) is set between the second chamber of the lifting cylinder (8) and first reversal valve and/or the overturning
It between second chamber of oil cylinder (9) and first reversal valve, is connect with the control device signal, the one-way speed-regulating valve (7)
Including check valve and speed governing valve parallel with one another, oil liquid can be by described from first reversal valve toward the check valve direction
Check valve circulation.
8. tailgate system as claimed in claim 6, which is characterized in that first reversal valve is solenoid directional control valve, described
Second chamber of the first working position of solenoid directional control valve, the lifting cylinder (8) is connected to the oil-feed port of the hydraulic pump (3), institute
The oil circuit for stating the second chamber of overturning oil cylinder (9) and the oil-feed port of the hydraulic pump (3) disconnects, the second of the solenoid directional control valve
Second chamber of working position, the overturning oil cylinder (9) is connected to the oil-feed port of the hydraulic pump (3), and the of the lifting cylinder (8)
The oil circuit of two chambers and the oil-feed port of the hydraulic pump (3) disconnects.
9. tailgate system as claimed in claim 5, which is characterized in that intracavitary be equipped with of the first of the overturning oil cylinder (9) resets
Spring, the reset spring is for making the overturning oil cylinder (9) to bounce back.
10. a kind of vehicle, which is characterized in that including railway carriage (20) and the tail portion for being mounted on the railway carriage (20) such as claim
1 to 9 any tailgate system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038384.2U CN209426643U (en) | 2018-12-06 | 2018-12-06 | Tailgate system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038384.2U CN209426643U (en) | 2018-12-06 | 2018-12-06 | Tailgate system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209426643U true CN209426643U (en) | 2019-09-24 |
Family
ID=67970653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822038384.2U Active CN209426643U (en) | 2018-12-06 | 2018-12-06 | Tailgate system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209426643U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606234A (en) * | 2018-12-06 | 2019-04-12 | 徐工集团工程机械有限公司 | The control method of tailgate system, vehicle and tailgate system |
| CN112706684A (en) * | 2020-12-29 | 2021-04-27 | 三一专用汽车有限责任公司 | Vehicle and control method of vehicle |
| WO2023070896A1 (en) * | 2021-10-29 | 2023-05-04 | 江苏凯卓立液压设备有限公司 | Hydraulic system for adjusting and controlling loading and unloading platform |
-
2018
- 2018-12-06 CN CN201822038384.2U patent/CN209426643U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606234A (en) * | 2018-12-06 | 2019-04-12 | 徐工集团工程机械有限公司 | The control method of tailgate system, vehicle and tailgate system |
| CN112706684A (en) * | 2020-12-29 | 2021-04-27 | 三一专用汽车有限责任公司 | Vehicle and control method of vehicle |
| WO2023070896A1 (en) * | 2021-10-29 | 2023-05-04 | 江苏凯卓立液压设备有限公司 | Hydraulic system for adjusting and controlling loading and unloading platform |
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Effective date of registration: 20220727 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |