CN101117100A - Automatic switch mechanism for the dump truck compartment door - Google Patents
Automatic switch mechanism for the dump truck compartment door Download PDFInfo
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- CN101117100A CN101117100A CNA2006101086912A CN200610108691A CN101117100A CN 101117100 A CN101117100 A CN 101117100A CN A2006101086912 A CNA2006101086912 A CN A2006101086912A CN 200610108691 A CN200610108691 A CN 200610108691A CN 101117100 A CN101117100 A CN 101117100A
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- switch mechanism
- automatic switch
- door
- guide
- pin
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- 230000007246 mechanism Effects 0.000 title claims abstract description 63
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009194 climbing Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The invention relates to an automatic switch mechanism for a tipper door, which is connected between a sub frame of the tipper and a door lock hook of the tipper door, the door lock hook has a pin joint part pin-connected with a back part of a under frame of the tipper body and a hook part controlling opening and closing of the tipper door, the automatic switch mechanism comprises a guide piece fixed on the sub frame, at least a guide sleeve fixed on the tipper body and a guide bar which is slid on and supported by the guide sleeve and has one end capable of sliding on and pressing against the guide piece and the other end pin-connected with a joint end of the door lock hook through a matching mode between a pin shaft and a pin hole, wherein the pin hole is a slot hole extended along an almost vertical direction. Parts and components of the automatic switch mechanism have a good versatility, although the distance between the turning point and the back part of a under frame of the tipper body is different along with different model of tippers, length of the push bar does not need to be adjusted, which contributes to mass production of complicated model of tippers.
Description
Technical field
The present invention relates to a kind of automatic switch mechanism of car door, especially relate to a kind of automatic switch mechanism that is used for the car door of dumping car.
Background technology
Usually, dumping car comprises compartment, subframe, lifting mechanism and control setup thereof.Car body rear portion and subframe are hinged by trip shaft, and the compartment is upwards promoted with respect to this subframe, thereby the compartment is tilted with respect to subframe.When lade, the compartment is located substantially on level attitude, and car door is in closed condition.When by manpower or mechanical force with after cargo loading is to the compartment, goods is subjected to stopping of car door and can hang down from dumping car.In when unloading, the compartment tilts gradually by the effect of hydraulic actuating cylinder, and this moment, car door can self-opening, so that goods draws off from the compartment under the effect of gravity automatically.For realizing the self-opening of car door, have multiple automatic door-opening mechanisms such as soft cable-styled door-opening mechanism, four-bar door-opening mechanism, chute type door-opening mechanism in the market.
But these door-opening mechanisms have different shortcomings at different vehicles, and the four-bar door-opening mechanism increase a large amount of design objectives, and the commonality of parts is relatively poor because overturn point adopts different arrangements to compartment underframe afterbody apart from different needs; Though chute type door-opening mechanism unfailing performance is better, structure is too complicated, installs extremely inconvenient; Soft cable-styled door-opening mechanism has high generality, but for some vehicles because the space constraint of arranging has caused its arm of force too small, and integrated member is stressed bigger, the situation of different parts fractures appears on part market.
Summary of the invention
One object of the present invention is to provide a kind of automatic switch mechanism with car door that is used for dumping car of high universalizable.
Another object of the present invention is to provide a kind of can self-opening and close the automatic switch mechanism of the car door that is used for dumping car of car door.
Another purpose of the present invention is to provide a kind of automatic switch mechanism of the car door that is used for dumping car at required inclination angle, compartment can control car door and open the time.
Another purpose of the present invention is to provide a kind of batch manufacturing of being convenient to different vehicles, and the commonality of parts is good, and different automobile types is because overturn point need not be adjusted the automatic switch mechanism that the length of push rod can be operated to compartment underframe afterbody apart from difference.
For realizing above-mentioned purpose of the present invention, provide a kind of automatic switch mechanism that is used for the car door of dumping car at this, it is connected between the door lock hook of the subframe of this dumping car and this car door, the articulated section of this door lock hook is pivoted to the compartment of this dumping car, and the hook portion of this door lock hook is controlled the opening and closing of this car door, this automatic switch mechanism comprises: guide, and it is fixed on this subframe; At least one guide pin bushing, described guide pin bushing are fixed on this compartment; Guide rod, it is by described guide pin bushing sliding support, and the mode butt of first end of this guide rod to slide along this guide, second end are pivoted to the coupling end of this door lock hook in the mode of bearing pin and pin-and-hole cooperation; Wherein, this pin-and-hole is the slotted hole that prolongs along the near vertical direction.
In the automatic switch mechanism of described car door, this guide is a cam, thereby first end of this guide rod can slide by the working profile along this cam from the rise starting point of this cam.
In the automatic switch mechanism of described car door, this automatic switch mechanism also comprises extension spring, and the one end is fixed on this compartment, and the other end is fixed on this guide rod.
In the automatic switch mechanism of described car door, this automatic switch mechanism also comprises stage clip, and it is set on this guide rod.
In the automatic switch mechanism of described car door, this bearing pin is positioned at second end of this guide rod, and this pin-and-hole is positioned at the coupling end of this door lock hook.
In the automatic switch mechanism of described car door, this slotted hole is runway shape hole, and the equal diameters of the distance between two straight flanges in this runway shape hole and this bearing pin.
The automatic switch mechanism that is used for the car door of dumping car of the present invention has than high universalizable, it goes in the various dumping cars, thus overcome in the prior art difference owing to vehicle need to make multiple opening and closing mechanism defective.
The automatic switch mechanism of the car door that is used for dumping car of the present invention is safe, not make the car door self-opening in the time of can or not jolting in the dumping car climbing, and the present invention's can also realize unloading SELF CL of rear cargo door.What is more important, required inclination angle, compartment when the present invention can control car door and opens according to the shape of guide.
The commonality of the parts of this automatic switch mechanism is good, and different automobile types is because the length that overturn point need not be adjusted push rod to compartment underframe afterbody apart from difference can be operated the batch manufacturing when making things convenient for vehicle complicated.
Description of drawings
Now will be in conjunction with the accompanying drawings to a preferred embodiment of the present invention will be described in detail, wherein:
Fig. 1 is for being used for the automatic switch mechanism of the car door of dumping car according to the preferred embodiment of the invention, and wherein, this automatic switch mechanism is in closed condition;
Fig. 2 is for being used for the automatic switch mechanism of the car door of dumping car according to the preferred embodiment of the invention, and wherein, this automatic switch mechanism is in opening;
Fig. 3 is the enlarged drawing of the part among the circle E among Fig. 1;
Fig. 4 is the automatic switch mechanism of the car door that is used for dumping car of another preferred embodiment according to the present invention, and wherein, this automatic switch mechanism is in closed condition;
Fig. 5 is that wherein, wherein, this automatic switch mechanism is in opening according to the automatic switch mechanism of the car door that is used for dumping car of embodiment among Fig. 4;
Fig. 6 is the amplification diagrammatic sketch of the pin-and-hole of guide rod according to the preferred embodiment of the invention.
The specific embodiment
Describe the automatic switch mechanism of the car door that is used for dumping car according to an embodiment of the invention in detail below with reference to Fig. 1～Fig. 3.
For making car door 7 ' can realize automatic opening, automatic switch mechanism of the present invention be connected in the subframe 6 of this dumping car and this car door 7 ' door lock hook 5 between, door lock hook 5 is as the member that makes car door 7 ' open or close, the articulated section A of door lock hook 5 is pivoted to the compartment of this dumping car, so that this door lock hook 5 can rotate around this articulated section A.The hook portion 5a of this door lock hook 5 and car door 7 ' cooperate, with control this car door 7 ' switch, its coupling end 5b and guide rod of the present invention 3 pivot joints.Because door lock hook 5 is a prior art, therefore illustrates no longer in further detail at this.Automatic switch mechanism of the present invention comprises: guide 1, and it is fixed on this subframe 6; At least one guide pin bushing 2, described guide pin bushing are fixed on this compartment 7; Guide rod 3, it is by described guide pin bushing sliding support, and mode and this guide 1 butt of the first end 3a of this guide rod 3 to slide along this guide 1, and the second end 3b is pivoted to the coupling end 5b of this door lock hook by the mode that cooperates with bearing pin and pin-and-hole; Wherein, as shown in Figure 3, this pin-and-hole 5 ' be the slotted hole that prolongs along almost vertical direction, also can be the slotted hole that prolongs along direction with respect to vertical direction inclination certain angle.Preferably, the slotted hole of the approximate runway shape of this pin-and-hole 5 ' can be, the distance between two straight flanges of the slotted hole of this runway shape and the equal diameters of this bearing pin 8, thus the distance between two circular arc limits is greater than the diameter of this bearing pin 8.
It also can be the second end 3b that is connected to guide rod 3 by the detouchable mode that bearing pin 8 both can be installed on the second end 3b of guide rod 3, so again bearing pin 8 is inserted the pin-and-hole 5 of the coupling end 5b of this door locks hook 5 ' in after can realize the pivot joint of guide rod 3 and door lock hook 5.
This pin-and-hole 5 ' be for the reason of slotted hole: guide rod 3 can only be in guide pin bushing 2 along the direction of guide rod, promptly move along the first end 3a of guide rod to the direction of the second end 3b of guide rod, and correspondingly drive door lock hook 5 around articulated section A rotation, therefore the coupling end 5b of second end 3b of guide rod 3 and door lock hook 5 is to be the center of circle with articulated section A with respect to the path of motion in compartment, with articulated section A to the distance between the coupling end 5b of door lock hook 5 be the circular arc of radius.Like this, if pin-and-hole 5 ' size equate fully with the size of bearing pin 8, then may cause guide rod 3 to move, and can not the guiding door locking and hanging hook 5 rotate.Otherwise, when pin-and-hole 5 ' when being slotted hole, can guarantee bearing pin 8 pin-and-hole 5 ' in have certain activity surplus, like this when guide rod 3 moves along with guide pin bushing, the bearing pin 8 on the second end 3b of guide rod 3 can be not stuck pin-and-hole 5 ' in.
This guide pin bushing 2 both can be that the guide pin bushing with open seam also can be closed fully guide pin bushing, in addition also can be that other are any type of, can retrain the sliding channel that guide rod 3 slides therein.Guide pin bushing 2 in the accompanying drawing is two sections, is separately fixed at 7 bottoms, compartment, tilting along with the inclination in compartment 7, and retrains guide rod 3 thus and moves thereupon.In fact, the guide pin bushing of arbitrary number can be set as required.
This automatic switch mechanism can also comprise extension spring 4, and the one end is fixed on the compartment 7, and the other end is fixed on the guide rod 3.When lade, compartment 7 is located substantially on level attitude like this, and extension spring 4 this moment is in extended state; And in when unloading, along with the hook portion 5a of this door lock hook 5 and car door 7 ' separate, this extension spring 4 is shunk, thereby guide rod 3 is produced the pulling force that is tilted to, the hook portion 5a that helps door lock hook 5 like this and car door 7 ' separate.
In another embodiment of the present invention, optionally, this automatic switch mechanism also can adopt stage clip 4 ', it is set on this guide rod 3.This stage clip 4 ' an end can be resisted against a side of guide pin bushing 2 and the other end can be resisted against the ring washer 4a that is installed on this guide rod 3, make like this to be in compressive state under the state of this stage clip 4 ' when lade, in compartment 7, be located substantially on level attitude; And in when unloading, along with the hook portion 5a of this door lock hook 5 and car door 7 ' separate, this stage clip 4 ' expansion, thus make guide rod 3 be subjected to stage clip 4 ' the thrust along guide rod 3, help equally like this door lock link up with 5 hook portion 5a and car door 7 ' separate.
The working process of the automatic switch mechanism of the car door that is used for dumping car is according to the preferred embodiment of the invention described below in conjunction with Fig. 1 and Fig. 2.
As shown in Figure 1, the compartment 7 of dumping car is arranged on the subframe 6, and the rear end in compartment 7 is hinged on the subframe 6, and the other end and subframe 6 are provided with separably.When lade, compartment 7 is in basic horizontal state, the hook portion 5a fastener of door lock hook 5 car door 7 ' on so that car door 7 ' close, extension spring 4 this moment is in extended state (or stage clip 4 ' be in compressive state), and the first end 3a of guide rod 3 replaces on guide 1.Among the figure, guide 1 is a cam, and in fact, guide 1 is not limited in cam, and under the prerequisite that an end of guaranteeing guide rod can move along it, guide 1 can be designed to any parts with required form.The second end 3b of guide rod 3 is pivoted to the coupling end 5b of door lock hook 5, so that door lock hook 5 is along with the mobile phase of guide rod 3 is rotated for articulated section A.Under situation shown in Figure 1, guide rod 3 is replaced mutually with cam 4, and guide rod 3 will be passed to the coupling end 5b of door lock hook 5 with the power of replacing of cam, thereby makes door lock hook 5 produce the conter clockwise torque with respect to articulated section A, locks car door thus securely.Like this, when dumping car is climbed, although the compartment is in heeling condition, goods especially bulk freight will apply bigger impulse force to car door, yet the design-calculated automatic switch mechanism can be locked securely by the way, thereby can prevent that car door from opening by mistake opens.Equally, when dumping car during in the travels down of jolting, this locking mode securely can prevent equally that car door from opening by mistake and open.
As shown in Figure 2, when unloading, compartment 7 is under the effect of hydraulic actuating cylinder (not shown), and it raises gradually near dumping car headstock one end, and descends gradually away from dumping car headstock one end, thereby compartment 7 is tilted gradually.At this moment, working profile along this cam slides the first end 3a of guide rod 3 from the rise starting point of this cam, when being moved down into a desired location, promptly correspondingly when compartment 7 tilts to a predetermined angular, door lock hook 5 is with respect to articulated section A clickwise, its hook portion 5a and car door 7 ' separate car door 7 ' self-opening.(or stage clip 4 ' expansion) shunk in extension spring 4, thereby guide rod 3 is produced pulling force (or thrust), links up with 5 hook portion 5a and car door 7 ' separate to help door lock.At this moment, car door 7 ' self-opening, thus the goods in the compartment 7 draws off automatically under the effect of gravity.Therefore, the present invention is the shape of shaping-orientation spare 1 (being the working profile of cam among the embodiment in the accompanying drawings) as required, required inclination angle, compartment when controlling car door 7 ' unlatching thus.
Another importance of the present invention be to realize car door 7 ' SELF CL, this process and car door 7 ' opening process just in time opposite.
After unloading process is as shown in Figure 2 finished, close dumping car headstock one end in compartment descends again under the effect of hydraulic actuating cylinder gradually, the first end 3a of guide rod 3 is along being back to initial position with above-mentioned opposite path, in this process, the second end 3b of guide rod 3 promotes the coupling end 5b of door lock hook 5, makes door lock hook 5 with respect to articulated section A left-hand revolution, up to the position that returns to as shown in Figure 1, at this moment, compartment 7 returns to level attitude, and door lock hook 5 is again with car door 7 ' locking.
The automatic switch mechanism of the car door for dumper of the present invention has than high universalizable, and it can Be applicable in the various dumpers that the difference owing to vehicle needs to make many in the prior art thereby overcome Kind of opening and closing mechanism defective, thereby in large quantity production and processing, thereby reduced production Cost has reduced the inconvenience that the individual demand of automatic switch mechanism of the car door of dumper brings, tool Good economy is arranged.
The automatic switch mechanism of the car door for dumper of the present invention has simple in structure, easy for installation Etc. advantage, has good practicality.
The automatic switch mechanism of the car door for dumper of the present invention have novel structure, rationally, warp The advantages such as durable, easy to use, the long service life of helping.
At last, the automatic switch mechanism of the car door for dumper of the present invention is safe, not can Dumper climbing or car door is opened automatically when jolting, and the present invention can also realize the trunk of unloading The autoshutdown of door. What is more important, the present invention can control car door according to the shape of guide Required inclination angle, compartment during unlatching.
Claims (6)
1. automatic switch mechanism that is used for the car door of dumping car, it is connected between the door lock hook of the subframe of this dumping car and this car door, the articulated section of this door lock hook is pivoted to the underframe rear portion, compartment of this dumping car, and the hook portion of this door lock hook is controlled the opening and closing of this car door, and this automatic switch mechanism comprises:
Guide, it is fixed on this subframe;
At least one guide pin bushing, described guide pin bushing are fixed on this compartment;
Guide rod, it is by described guide pin bushing sliding support, and mode and this guide butt of first end of this guide rod to slide along this guide, second end are pivoted to the coupling end of this door lock hook in the mode of bearing pin and pin-and-hole cooperation;
Wherein, this pin-and-hole is the slotted hole that prolongs along the near vertical direction.
2. the automatic switch mechanism of car door as claimed in claim 1, wherein, this guide is a cam, it allows first end of this guide rod to slide by the working profile along this cam from the rise starting point of this cam.
3. the automatic switch mechanism of car door as claimed in claim 1, wherein, this automatic switch mechanism also comprises extension spring, and the one end is fixed on this compartment, and the other end is fixed on this guide rod.
4. the automatic switch mechanism of car door as claimed in claim 1, wherein, this automatic switch mechanism also comprises stage clip, it is set on this guide rod.
5. the automatic switch mechanism of car door as claimed in claim 1, wherein, this bearing pin is positioned at second end of this guide rod, and this pin-and-hole is positioned at the coupling end of this door lock hook.
6. the automatic switch mechanism of car door as claimed in claim 1, wherein, this slotted hole is runway shape hole, and the equal diameters of the distance between two straight flanges in this runway shape hole and this bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101086912A CN101117100B (en) | 2006-08-04 | 2006-08-04 | Automatic switch mechanism for the dump truck compartment door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101086912A CN101117100B (en) | 2006-08-04 | 2006-08-04 | Automatic switch mechanism for the dump truck compartment door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101117100A true CN101117100A (en) | 2008-02-06 |
| CN101117100B CN101117100B (en) | 2010-12-01 |
Family
ID=39053411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101086912A Expired - Fee Related CN101117100B (en) | 2006-08-04 | 2006-08-04 | Automatic switch mechanism for the dump truck compartment door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101117100B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950401A (en) * | 2014-04-30 | 2014-07-30 | 中国重汽集团济南动力有限公司 | Automatic locking mechanism for rear door of light dump truck |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636777A (en) * | 1950-11-18 | 1953-04-28 | Euclid Road Machinery Co | Side dump vehicle with cam controlled gates |
| GB791235A (en) * | 1954-12-10 | 1958-02-26 | Pilot Works Ltd | Improvements in or relating to the tailgates of tipping vehicles |
| CN2034148U (en) * | 1988-07-07 | 1989-03-15 | 湖南省衡阳拖拉机厂附属厂 | Automatic car closed-open device for the rear door of self-unloading |
| US6572197B1 (en) * | 2001-05-11 | 2003-06-03 | Joel E. Clough | Vehicle latch assembly |
| CN2640832Y (en) * | 2003-08-28 | 2004-09-15 | 驻马店市华骏车辆有限公司 | Rear tipping auto open/close wagon door mechanism of dump truck |
| CN2714747Y (en) * | 2004-08-26 | 2005-08-03 | 王忠岭 | Rear-door automatic locking hook of end tipper |
| CN2771022Y (en) * | 2004-10-21 | 2006-04-12 | 张玉玺 | Dumping car cage having automatic open-close device for rear door |
-
2006
- 2006-08-04 CN CN2006101086912A patent/CN101117100B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950401A (en) * | 2014-04-30 | 2014-07-30 | 中国重汽集团济南动力有限公司 | Automatic locking mechanism for rear door of light dump truck |
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| Publication number | Publication date |
|---|---|
| CN101117100B (en) | 2010-12-01 |
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Granted publication date: 20101201 Termination date: 20170804 |