CN102991586B - Cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle - Google Patents
Cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle Download PDFInfo
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- CN102991586B CN102991586B CN201210491699.7A CN201210491699A CN102991586B CN 102991586 B CN102991586 B CN 102991586B CN 201210491699 A CN201210491699 A CN 201210491699A CN 102991586 B CN102991586 B CN 102991586B
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- cover panel
- hinge
- composite support
- strutting arrangement
- component
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Abstract
The invention discloses a kind of cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle, this cover panel bracing or strutting arrangement comprises gas spring, connecting rod, composite support; The first end of gas spring and first component are articulated with the first hinge; Second end of gas spring and the first end of composite support are articulated with the second hinge, and the second end of composite support and second component are articulated with tri-joint mechanism; Second hinge and tri-joint mechanism disalignment are arranged; The first end of connecting rod and first component are articulated with the 4th hinge; Composite support is provided with through hole, and the second end of connecting rod passes through hole and coordinates slidably with through hole; Under cover panel closed condition, the second hinge and the 4th hinge are positioned at the homonymy of the first hinge and tri-joint mechanism line; First component is cover panel, and second component is frame or vehicle frame; Or first component is frame or vehicle frame, second component is cover panel.The present invention in cover panel fine motion situation, can reduce or avoid the flexible of gas spring, extending the service life of gas spring.
Description
Technical field
The present invention relates to mechanical field, particularly a kind of cover panel bracing or strutting arrangement and there is the construction machinery and equipment of this bracing or strutting arrangement and have the vehicle of this bracing or strutting arrangement.
Background technology
Vehicle or construction machinery and equipment can be provided with cover panel usually, for covering engine, storing bin etc., the vehicle frame of cover panel and vehicle or the frame of construction machinery and equipment are generally hinged, in order to reach, to open cover panel laborsaving and open the object of rear support cover panel, and vehicle or Processes for Covering Parts of Construction Machinery generally all use gas spring to provide pre-bearing force square; Gas spring is generally the form of air cylinder, and traditional gas spring mounting means is that the position of one end hinge-point is motionless, and the position of other end hinge-point can change with cover panel.
Under normal circumstances, the pre-bearing force square that gas spring provides all is slightly less than cover panel dead-load moment, and direction is contrary, under cover panel opens or closes state, the piston rod of gas spring is all in the state of stretching out, therefore, cover panel in off position under can offset a part of dead-load moment because of the pre-bearing force square of gas spring, cause the locking torque under its closed condition to diminish.But, because vehicle or construction machinery and equipment such as roller self constantly vibrate, cause cover panel to be easy to overcome locking torque circulation and produce small unlatching---closed action (hereinafter referred to as fine motion), thus gas spring is constantly stretched, cause gas spring reach the access times (life-span) of its design in advance and lost efficacy.
Summary of the invention
In view of this, the present invention proposes a kind of cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle, and it in cover panel fine motion situation, can reduce or avoid the flexible of cladding element gas spring, extending the service life of gas spring.
On the one hand, the invention provides a kind of cover panel bracing or strutting arrangement, comprising: gas spring, connecting rod, composite support; Wherein
Described gas spring comprises first end and the second end, and its first end and first component are articulated with the first hinge;
Composite support comprises first end and the second end, and the second end of described gas spring and the first end of described composite support are articulated with the second hinge, and the second end of described composite support and second component are articulated with tri-joint mechanism; Described second hinge and described tri-joint mechanism disalignment are arranged;
Described connecting rod comprises first end and the second end, and the first end of described connecting rod and first component are articulated with the 4th hinge;
Described composite support offers through hole, and the second end of described connecting rod passes described through hole and coordinates slidably with described through hole; And under described cover panel closed condition, described second hinge and described 4th hinge are positioned at the homonymy of described first hinge and described tri-joint mechanism line;
Described first component is cover panel, and described second component is frame or vehicle frame; Or described first component is frame or vehicle frame, described second component is cover panel.
Further, first end or second end of described composite support have the salient extended laterally, and described through hole is arranged on described salient.
Further, described first component also comprises strand pin, and described connecting rod is articulated with described 4th hinge by described strand pin with described first component.
Further, described second component comprises the firm banking be arranged on described second component, and the second end and the described firm banking of described composite support are articulated with described tri-joint mechanism.
On the other hand, the present invention also provides a kind of construction machinery and equipment, comprises cover panel and frame, is provided with bracing or strutting arrangement between described cover panel and described frame, and described bracing or strutting arrangement is the cover panel bracing or strutting arrangement described in above-mentioned any one.
On the other hand, the present invention also provides a kind of vehicle, comprises cover panel and vehicle frame, is provided with bracing or strutting arrangement between described cover panel and described vehicle frame, and described bracing or strutting arrangement is the cover panel bracing or strutting arrangement described in above-mentioned any one.
Working process and the principle of two kinds of cover panel bracing or strutting arrangements of the present invention are similar, for the cover panel bracing or strutting arrangement of construction machinery and equipment, and setting first component is cover panel, second component is the frame of construction machinery and equipment, the cover panel of construction machinery and equipment in off position under, its gas spring is in the state of stretching out, the end position of connecting rod restriction composite support, and cover panel when opening from closed condition, connecting rod can move up along with cover panel, simultaneously, because connecting rod and composite support are by through hole sliding connection, connecting rod can drive composite support with connecting rod synchronous axial system, second hinge is rotated relative to tri-joint mechanism, and then make composite support rotate certain angle.Like this, in the fine motion process of cover panel, as long as composite support has suitable length, make composite support rotational angle can cushion or offset the elongation action of gas spring, distance between first hinge at gas spring two ends and the second hinge is not changed or changes less, the length that namely gas spring does not extend or gas spring extends relative to the fine motion of cover panel apart from little; When cover panel fine motion closes, connecting rod and composite support are back to initial position by former track, and gas spring is also back to initial position thereupon, and do not shrink or amount of contraction very little; Therefore, in the whole fine motion process of cover panel, the flexible or stroke of gas spring is less than the fine motion distance of cover panel.And in existing bearing set, gas spring can carry out the flexible of equivalent along with the fine motion of cover panel, and compared with existing cover panel bracing or strutting arrangement, the embodiment of the present invention can in cover panel fine motion situation, reduce or avoid the flexible of gas spring, extending the service life of gas spring.
Construction machinery and equipment of the present invention and vehicle set have any one cover panel bracing or strutting arrangement above-mentioned, therefore also have above-mentioned technique effect, repeat no more.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of a kind of cover panel bracing or strutting arrangement that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is in the embodiment of the present invention, the side-looking structural representation of composite support;
Fig. 3 is in the embodiment of the present invention, the plan structure schematic diagram of composite support;
Fig. 4 is in the embodiment of the present invention, cover panel bracing or strutting arrangement motion process schematic diagram.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Basic thought of the present invention is: because the cover panel of vehicle or construction machinery and equipment inevitably produces fine motion, and then cause gas spring constantly repeat flexible and reach service life in advance, the present invention sets up link gear between gas spring and construction machinery and equipment frame (or vehicle frame of vehicle) or cover panel, gas spring is synchronized with the movement with the fine motion of cover panel, reduce or avoid gas spring to stretch, increasing the service life.
Below in conjunction with accompanying drawing, for the cover panel bracing or strutting arrangement of construction machinery and equipment, and between gas spring and the frame of construction machinery and equipment, set up link gear, namely above-mentioned first component is cover panel, above-mentioned second component is the frame of construction machinery and equipment, is described in further detail the preferred embodiments of the present invention:
As shown in Figure 1 to Figure 3, the cover panel bracing or strutting arrangement that the embodiment of the present invention provides comprises, gas spring 2, connecting rod 4, composite support 5; Wherein gas spring 2 comprises first end and the second end, and the cover panel 1 of its first end and construction machinery and equipment is articulated with the first hinge A; Composite support 5 comprises first end and the second end, and the second end of gas spring 2 and the first end of composite support 5 are articulated with the second hinge B, and the second end of composite support 5 and the frame of construction machinery and equipment are articulated with tri-joint mechanism C; Second hinge B and tri-joint mechanism C disalignment are arranged; Connecting rod 4 comprises first end and the second end, and the first end of connecting rod 4 and cover panel 1 are articulated with the 4th hinge D; Composite support 5 offers through hole 51, the second end of connecting rod 4 passes through hole 51 and coordinates slidably with through hole 51, moves and limit the end position of composite support 5 for driving composite support 5.Under cover panel 1 closed condition, the second hinge B and the 4th hinge D is positioned at the homonymy of the first hinge A and tri-joint mechanism C line.
For the cover panel bracing or strutting arrangement that the embodiment of the present invention provides, the cover panel 1 of construction machinery and equipment in off position under, its gas spring 2 is in the state of stretching out, connecting rod 4 limits the end position of composite support 5, and cover panel 1 when opening from closed condition, connecting rod 4 can move up along with cover panel 1, simultaneously, because connecting rod 4 and composite support 5 are by through hole 51 sliding connection, connecting rod 4 can drive composite support 5 with connecting rod 4 synchronous axial system, second hinge B is rotated relative to tri-joint mechanism C, and then makes composite support 5 rotate certain angle.Like this, in the fine motion process of cover panel 1, as long as composite support 5 has suitable length, make composite support 5 rotational angle can cushion or offset the elongation action of gas spring 2, make the distance of the first hinge A between the second hinge B at gas spring 2 two ends not change or change less, namely gas spring 2 does not have the length of elongation or gas spring 2 elongation relative to the fine motion of cover panel 1 apart from little; When cover panel 1 fine motion closes, connecting rod 4 and composite support 5 are back to initial position by former track, and gas spring 2 is also back to initial position thereupon, and do not shrink or amount of contraction very little; Therefore, in the whole fine motion process of cover panel 1, gas spring 2 does not have flexible or stroke to be less than the fine motion distance of cover panel 1.And in existing bearing set, gas spring 2 can carry out the flexible of equivalent along with the fine motion of cover panel, and compared with existing cover panel bracing or strutting arrangement, the embodiment of the present invention can in cover panel 1 fine motion situation, reduce or avoid the flexible of gas spring 2, extending the service life of gas spring 2.
Those skilled in the art should be understood that; the cover panel 1 related in this embodiment and frame; cover panel bracing or strutting arrangement of the present invention and the architectural feature introduced for convenience of description; it is not attached to cover panel bracing or strutting arrangement of the present invention, and namely cover panel 1 and frame should not be considered as the scope that cover panel bracing or strutting arrangement of the present invention will be protected.
With reference to Fig. 1, in cover panel 1 fine motion process, if the distance of the second hinge B movement with the fine motion of cover panel 1 apart from equal, can ensure that gas spring 2 can not extend; If the distance of the second hinge B movement is slightly smaller than the fine motion distance of cover panel 1, then gas spring 2 can be caused to extend by a small margin; If the distance of the second hinge B movement is a bit larger tham the fine motion distance of cover panel 1, then may cause the small amplitude compression of gas spring 2.Therefore, those skilled in the art should be understood that, by adjusting the length of composite support 5, namely the distance of the second hinge B and tri-joint mechanism C is adjusted, what can realize avoiding gas spring 2 completely in cover panel 1 fine motion process is flexible, can not impact the sealing member of gas spring 2, farthest extend the service life of gas spring 2.In addition, due in cover panel opening procedure, if after the second hinge B crosses the line between the first hinge A and tri-joint mechanism C, then the second hinge B can move to the direction away from the first hinge A, gas spring 2 is caused to extend, therefore under cover panel 1 closed condition, composite support 5 length need not be changed, can also by adjustment gas spring 2(or the second hinge B) with the relative position of tri-joint mechanism C, reach effect same as described above, such as, if the fine motion distance of cover panel 1 is larger, then can adjust the second hinge B and tri-joint mechanism C, make the second hinge B cross line between the first hinge A and tri-joint mechanism C more lately, to ensure in the fine motion process of larger distance, can ensure that gas spring 2 is not flexible or less flexible, otherwise, if fine motion distance is less, then the second hinge B can be made to cross line between the first hinge A and tri-joint mechanism C earlier.
In addition, it should be noted that, to eliminate completely or reducing the flexible of in cover panel 1 fine motion process gas spring 2 for purposes of the present invention, therefore, need to ensure in cover panel 1 fine motion process, the movement of connecting rod 4 can drive composite support 5 to move to the direction near the first hinge A with the pin jointed end (i.e. the second hinge B) of gas spring 2.In the cover panel bracing or strutting arrangement that the embodiment of the present invention provides, second hinge B and the 4th hinge D can be positioned at the homonymy of the first hinge A and tri-joint mechanism C line, to ensure that the second hinge B is identical in the sense of motion of the beginning of the 4th hinge D, because the 4th hinge D is arranged on cover panel 1, move with cover panel 1, thus ensure that the second hinge B rotates around the 4th hinge D in cover panel 1 fine motion opening procedure, and move to the direction near the first hinge A.
As shown in Figures 2 and 3, first end or second end of composite support 5 of the present invention have the salient extended laterally, and above-mentioned through hole 51 is arranged on this salient.Shown in composition graphs 1, salient is preferably configured in the second end of composite support 5, like this then connecting rod 4 and composite support 5 junction is also positioned at the second end of composite support 5, open or close in process at cover panel 1, connecting rod 4 can rotate around the second end of composite support 5, simplifies the path of motion of connecting rod 4.Certainly, the present invention does not limit the allocation position of through hole 51 on composite support 5, as above-mentioned, can also be arranged on the first end of composite support 5; In other embodiments, the midway location of composite support 5 can also be arranged on, as long as connecting rod 4 coordinates slidably with the through hole 51 of composite support 5, connecting rod 4 can drive composite support 5 to move and limit the end position of composite support 5, and open or close in process at cover panel 1, connecting rod 4 does not interfere with the motion of composite support 5.
As the preferred version of above-described embodiment, hinged for convenience of connecting rod 4 and cover panel 1, the cover panel bracing or strutting arrangement that the embodiment of the present invention provides can also preferably include strand pin 3, and connecting rod 4 is articulated with described 4th hinge D by this strand pin 3 with cover panel 1.
As a same reason, cover panel bracing or strutting arrangement of the present invention can also preferably include the firm banking 6 be fixedly installed in the frame of construction machinery and equipment, and the second end and the firm banking 6 of composite support 5 are articulated with described tri-joint mechanism C.This firm banking 6 can be considered as the extension of frame, facilitates composite support 5 hinged with frame, and provides space for other components, facilitates it to install and motion etc., as facilitated the connection of connecting rod 4 and composite support 5, and provides space for the motion of connecting rod 4.
In sum, in the embodiment of the present invention, cover panel bracing or strutting arrangement is in cover panel 1 fine motion process, and strand pin 3, with cover panel 1 fine motion, twists the upper and lower fine motion of first end of pin 3 drivening rod 4, and then drive composite support 5 to swing among a small circle, the second end finally ordering about gas spring 2 moves up and down with the fine motion of cover panel 1, and direction is consistent, thus when cover panel 1 fine motion, reduce or avoid the flexible of gas spring 2, extending the work life of gas spring 2.
Composition graphs 1 and Fig. 4, cover panel 1 and vehicle frame are articulated with hinge E, when cover panel 1 opened by needs, strand pin 3(i.e. the 4th hinge D) can continue to rotate around hinge E, until end position when cover panel 1 is opened, in this process with cover panel 1, connecting rod 4 can continue to drive composite support 5 to rotate around tri-joint mechanism C, and relative slip is done in the through hole 51 of composite support 5, until cover panel 1 is opened completely, composite support 5 turns to end position when opening; As shown in Figure 4, under cover panel 1 full open position, connecting rod 4 limits the end position of composite support 5, and and the second end of composite support 5 common support gas spring 2, gas spring 2 Support cover part 1; When cover panel 1 is closed from fully open position, strand pin 3 can move downward with cover panel 1,4, connecting rod drives composite support 5 to rotate backward by former path of motion, until cover panel 1 is closed completely, composite support 5 turns to initial position, after guarantee during cover panel 1 fine motion, in the embodiment of the present invention, cover panel bracing or strutting arrangement still can play the flexible function reducing or avoid gas spring 2 when cover panel 1 fine motion, extends the work life of gas spring 2.
Described in upper, in the normal open closed process of cover panel 1, in the embodiment of the present invention, connecting rod 4 should remain with the through hole 51 of composite support 5 and coordinate, and when selecting load bar 4, preferably adopts the length be applicable to, to ensure to coordinate with the connection of composite support 5.Connecting rod 4 is too short, then the second end of connecting rod 4 may be extracted out from composite support 5 when opening cover panel 1 at every turn, needs again the two to be connected before being turned off to coordinate, to ensure that closing rear cover panel bracing or strutting arrangement of the present invention still can normally play a role; Connecting rod 4 is oversize, then its motion and arrangement can be subject to the space constraint between cover panel 1 and construction machinery and equipment support.
The present invention also provides another kind of cover panel bracing or strutting arrangement embodiment, in this embodiment, with the first component that the frame of construction machinery and equipment is above-mentioned, be above-mentioned second component with cover panel 1, this cover panel bracing or strutting arrangement it comprise gas spring 2, connecting rod 4, composite support 5; Wherein gas spring 2 comprises first end and the second end, and the frame of its first end and construction machinery and equipment is articulated with the 5th hinge; Composite support 5 comprises first end and the second end, and the second end of gas spring 2 and the first end of composite support 5 are articulated with the 6th hinge, and the second end of composite support 5 and the cover panel 1 of construction machinery and equipment are articulated with the 7th hinge; 6th hinge and the 7th hinge disalignment are arranged; Connecting rod 4 comprises first end and the second end, and the first end of connecting rod 4 and frame are articulated with the 8th hinge; Composite support 5 offers through hole 51, the second end of connecting rod 4 passes through hole 51 and coordinates slidably with through hole 51, moves and limit the end position of composite support 5 for driving composite support 5; And, under cover panel 1 closed condition, the homonymy of the 6th hinge and the 8th hinge line between the 5th hinge and the 7th hinge.
With a upper embodiment unlike, the link gear assemblies such as connecting rod 4, composite support 5 are connected between gas spring 2 and cover panel 1 by the present embodiment.Other architectural features are similar or corresponding with a upper embodiment with annexation, as:
The 5th hinge in the present embodiment, the 6th hinge, the 7th hinge, the 8th hinge are corresponding with the first hinge A of a upper embodiment, the second hinge B, tri-joint mechanism C, the 4th hinge D respectively; First end or second end of the composite support 5 in the present embodiment have the salient extended laterally equally, and its through hole 51 is arranged on this salient, and salient is preferably arranged on the second end of composite support 5; Strand pin 3 can be comprised equally, strand pin 3 correspondence be arranged in the frame of construction machinery and equipment, connecting rod 4 is articulated with the 8th hinge by described strand pin 3 with the frame of construction machinery and equipment; In addition, also correspondingly preferably include the firm banking 6 be fixedly installed on cover panel 1, the second end of composite support 5 and firm banking 6 are articulated with the 7th hinge.The effect of all parts, architectural feature and annexation, identical with the effect in a upper embodiment, repeat no more.
Cover panel bracing or strutting arrangement embodiment provided by the invention can also be used for being arranged between the cover panel of vehicle and vehicle frame, and plays technique effect same as described above.
Correspondingly, the embodiment of the present invention also provides a kind of construction machinery and equipment, and it comprises cover panel 1 and frame, is provided with bracing or strutting arrangement between cover panel 1 and frame, and described bracing or strutting arrangement is any one above-mentioned cover panel bracing or strutting arrangement embodiment.
Correspondingly, the embodiment of the present invention also provides a kind of vehicle, and it comprises cover panel 1 and vehicle frame, is provided with bracing or strutting arrangement between cover panel 1 and vehicle frame, and described bracing or strutting arrangement is any one above-mentioned cover panel bracing or strutting arrangement embodiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a cover panel bracing or strutting arrangement, is characterized in that, comprising: gas spring (2), connecting rod (4), composite support (5); Wherein
Described gas spring (2) comprises first end and the second end, and its first end and first component are articulated with the first hinge;
Composite support (5) comprises first end and the second end, second end of described gas spring (2) and the first end of described composite support (5) are articulated with the second hinge, and the second end and the second component of described composite support (5) are articulated with tri-joint mechanism; Described second hinge and described tri-joint mechanism disalignment are arranged;
Described connecting rod (4) comprises first end and the second end, and the first end of described connecting rod (4) and first component are articulated with the 4th hinge;
Described composite support (5) offers through hole (51), the second end of described connecting rod (4) passes described through hole (51) and coordinates slidably with described through hole (51); And under described cover panel (1) closed condition, described second hinge and described 4th hinge are positioned at the homonymy of described first hinge and described tri-joint mechanism line;
Described first component is cover panel (1), and described second component is frame or vehicle frame; Or described first component is frame or vehicle frame, described second component is cover panel (1).
2. cover panel bracing or strutting arrangement according to claim 1, is characterized in that, first end or second end of described composite support (5) have the salient extended laterally, and described through hole (51) is arranged on described salient.
3. cover panel bracing or strutting arrangement according to claim 1 and 2, it is characterized in that, described first component comprises hinge pin (3), and described connecting rod (4) is articulated with described 4th hinge by described hinge pin (3) and described first component.
4. cover panel bracing or strutting arrangement according to claim 1 and 2, it is characterized in that, described second component comprises the firm banking (6) be arranged on described second component, and the second end and the described firm banking (6) of described composite support (5) are articulated with described tri-joint mechanism.
5. a construction machinery and equipment, comprise cover panel (1) and frame, be provided with bracing or strutting arrangement between described cover panel (1) and described frame, it is characterized in that, described bracing or strutting arrangement is the cover panel bracing or strutting arrangement in claim 1-4 described in any one.
6. a vehicle, comprises cover panel (1) and vehicle frame, is provided with bracing or strutting arrangement, it is characterized in that between described cover panel (1) and described vehicle frame, and described bracing or strutting arrangement is the cover panel bracing or strutting arrangement in claim 1-4 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210491699.7A CN102991586B (en) | 2012-11-27 | 2012-11-27 | Cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210491699.7A CN102991586B (en) | 2012-11-27 | 2012-11-27 | Cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102991586A CN102991586A (en) | 2013-03-27 |
| CN102991586B true CN102991586B (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210491699.7A Expired - Fee Related CN102991586B (en) | 2012-11-27 | 2012-11-27 | Cover panel bracing or strutting arrangement, construction machinery and equipment and vehicle |
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| Country | Link |
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| CN (1) | CN102991586B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2744927A1 (en) * | 1977-10-06 | 1979-04-19 | Daimler Benz Ag | HINGED UP TAILGATE OF A MOTOR VEHICLE |
| CN2510349Y (en) * | 2001-12-10 | 2002-09-11 | 江铃汽车集团公司车厢内饰件厂 | Oil-tank floating link-lever combined self-unloading vehicle |
| CN101850738A (en) * | 2010-05-06 | 2010-10-06 | 湖南星邦重工有限公司 | Hinging-point-variable gas spring support labor-saving turning device |
| CN102501790A (en) * | 2011-10-31 | 2012-06-20 | 中联重科股份有限公司 | Supporting rod device and vehicle box structure |
| CN202944448U (en) * | 2012-11-27 | 2013-05-22 | 三一重工股份有限公司 | Covering part support device and engineering machinery and vehicle |
-
2012
- 2012-11-27 CN CN201210491699.7A patent/CN102991586B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2744927A1 (en) * | 1977-10-06 | 1979-04-19 | Daimler Benz Ag | HINGED UP TAILGATE OF A MOTOR VEHICLE |
| CN2510349Y (en) * | 2001-12-10 | 2002-09-11 | 江铃汽车集团公司车厢内饰件厂 | Oil-tank floating link-lever combined self-unloading vehicle |
| CN101850738A (en) * | 2010-05-06 | 2010-10-06 | 湖南星邦重工有限公司 | Hinging-point-variable gas spring support labor-saving turning device |
| CN102501790A (en) * | 2011-10-31 | 2012-06-20 | 中联重科股份有限公司 | Supporting rod device and vehicle box structure |
| CN202944448U (en) * | 2012-11-27 | 2013-05-22 | 三一重工股份有限公司 | Covering part support device and engineering machinery and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102991586A (en) | 2013-03-27 |
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Granted publication date: 20160210 Termination date: 20171127 |