CN106639714A - Engine hood lifting mechanism - Google Patents
Engine hood lifting mechanism Download PDFInfo
- Publication number
- CN106639714A CN106639714A CN201611139143.6A CN201611139143A CN106639714A CN 106639714 A CN106639714 A CN 106639714A CN 201611139143 A CN201611139143 A CN 201611139143A CN 106639714 A CN106639714 A CN 106639714A
- Authority
- CN
- China
- Prior art keywords
- hinges
- hood
- lifting mechanism
- angle
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/56—Suspension arrangements for wings with successive different movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/02—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with pneumatic piston brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/536—Hoods
Abstract
The invention relates to an engine hood and provides an engine hood lifting mechanism in order to solve the problem that maintenance is inconvenient because the hood opening angle in an existing engine hood lifting mechanism is limited. The engine hood lifting mechanism comprises an engine hood and a vehicle frame. The engine hood is hinged to the vehicle frame through hinge mechanisms on the left side and the right side. Each hinge mechanism comprises a first connecting rod and a second connecting rod, wherein the two ends of the first connecting rod are hinged to a hinge point A on the engine hood and a hinge point C fixed relative to the vehicle frame correspondingly, the two ends of the second connecting rod are hinged to a hinge point B on the engine hood and a hinge point D fixed relative to the vehicle frame correspondingly, and when the engine hood is in a closed state, and a convex quadrangle is formed by connecting lines between the hinge point A, the hinge point B, the hinge point C and the hinge point D. According to the engine hood lifting mechanism, under the action of the first connecting rods and the second connecting rods, the engine hood rotates around the hinge points A to achieve overturning, meanwhile, the first connecting rods rotate around the hinge points C so as to achieve upward translational motion of the engine hood, and a large maintenance space is obtained through composite motion of rotation and translational motion of the engine hood.
Description
Technical field
The present invention relates to a kind of hood, more particularly, it relates to a kind of hood lifting mechanism.
Background technology
At present, the unfolding mode of hood only has three kinds substantially in engineering machinery：Turn over before entirety, turn over and side after entirety
Open.This several upset mode respectively has the pluses and minuses of oneself.The advantage that hood is wherein turned over before entirety is the Ke Yiji when hood is opened
Big exposure engine, radiator and fan, thus, before entirety maintenance and maintenance of the formula hood to these parts are turned over
Space be than larger.
At present, in engineering machinery on the artificial lifting way of formula hood turned over before the entirety that uses there was only one kind, exactly send out
The mode that motivation cover is overturn around a fixed hinge point.But the layout due to being limited by whole machine, this simple chain formula
Hood is turned over before entirety and often blocks air inlet system and exhaust system, thus client can be checked, be keeped in repair, safeguard that air inlet system and exhaust system are caused
It is difficult.
The content of the invention
The technical problem to be solved in the present invention is made for hood limited opening angle in available engine cover lifting mechanism
Into the problem for safeguarding inconvenience, and a kind of hood lifting mechanism is provided to obtain larger maintenance space.
The present invention is such for the technical scheme for realizing its purpose：A kind of hood lifting mechanism is provided, including send out
Motivation cover, vehicle frame；The hood is hinged by the linkwork of the left and right sides and vehicle frame, and both sides linkwork is with regard to center
Plane symmetry；It is characterized in that described linkwork includes first connecting rod and second connecting rod, the two ends point of the first connecting rod
The C hinges that the A hinges not being articulated with hood and relative frame are fixed, the two ends of the second connecting rod are hingedly connected to send out
The D hinges that B hinges and relative frame on motivation cover is fixed；Hinge axis line phase at A hinges, B hinges, C hinges, D hinges
Mutually parallel, when the hood is closed, line constitutes convex four between A hinges, B hinges, 4 points of C hinges and D hinges
Side shape and C hinges and D hinges are on same one side of the convex quadrangle.In the present invention, hood in first connecting rod and
In the presence of second connecting rod, hood is rotated around A hinges and realizes upset, while first connecting rod rotates realization around C hinges starting
Hood translation upwards, hood obtains larger service clearance in the case where the compound motion with translation is rotated.
In above-mentioned hood lifting mechanism, height of the height of D hinges described in the vertical direction higher than the C hinges
Degree, the height of B hinges are higher than the height of A hinges.
In above-mentioned hood lifting mechanism, in the D hinges when hood is closed near engine
The top of cover, C hinges are located at the lower edge of hood near the vehicle frame, the A hinges.
In above-mentioned hood lifting mechanism, A hinges, B hinges, the C hinges and D hinge when hood is closed
Line AC and CD angles and line AB and BD angles are obtuse angle in the convex quadrangle that point is constituted, line AB and AC it
Between between angle and line BD and CD angle be acute angle.
In above-mentioned hood lifting mechanism, A hinges, B hinges, the C hinges and D hinge when hood is in open mode
Line AC and CD angles are acute angle in the quadrangle that point is constituted；Angle is obtuse angle between line AB and AC.
In above-mentioned hood lifting mechanism, A hinges, B hinges, the C hinges and D hinge when hood is in open mode
Line AB and BD angles are acute angle in the quadrangle that point is constituted.
In above-mentioned hood lifting mechanism, A hinges, B hinges, the C hinges and D hinge when hood is in open mode
Angle is obtuse angle between line BD and CD in the quadrangle that point is constituted.
In above-mentioned hood lifting mechanism, also including the lifting device of lifting hood.Described lifting device is
One end and the straight-line displacement mechanism that vehicle frame is hinged, the other end and first connecting rod or second connecting rod or hood are hinged.The straight line position
Telephone-moving structure is hydraulic jack or gas spring.
Compared with prior art, the present invention solves hood and rotates realization upset around A hinges the present invention, while first
Connecting rod is rotated around C hinges and realizes hood translation upwards, and hood obtains larger under rotation with the compound motion of translation
Service clearance.
Description of the drawings
Fig. 1 is the dynamic hinge of the present invention and determines hinge arrangement schematic diagram.
Fig. 2 is the linkage arrangement plan schematic diagram of the present invention.
Fig. 3 is lifting process schematic diagram of the present invention.
Parts title and sequence number in figure：
First connecting rod 1, gas spring 2, second connecting rod 3, hood 4, hood skeleton 41, vehicle frame 5, radiator stand 51, hinge
Joint chair 52.
Specific embodiment
Specific embodiment is illustrated below in conjunction with the accompanying drawings.
Hood lifting mechanism in the present invention includes hood 4, vehicle frame 5；Interior setting in the housing of hood 4
There is hood skeleton 41, for supporting whole hood 4.Hood 4 is hinged by the articulated structure of the left and right sides and vehicle frame,
Both sides linkwork is identical and symmetrical with regard to central plane.
As shown in Fig. 1 Fig. 2, the linkwork per side includes the C hinges and D hinges of the fixation of relative frame 5 and is arranged on
A hinges and B hinges on hood 4, wherein C hinges are arranged on vehicle frame 5, when hood 4 is closed, C hinges
Near the lower edge of hood.The height of D hinges is higher than C hinges, is fixed on radiator stand 51, and radiator stand 51 is integrally fixed at
On vehicle frame 5.A hinges are located at the anterior lower edge of hood, and the height of B hinges is higher than the height of A hinges, and A hinges and B hinges are equal
It is arranged on hood skeleton 41, C hinges are arranged on vehicle frame by hinged seat 52, and D hinges are fixed on radiator by hinged seat
On frame 41.Connected by first connecting rod 1 between A hinges and C hinges, connected by second connecting rod 3 between B hinges and D hinges, A hinges,
Jointed shaft center at B hinges, C hinges, D hinges is parallel to each other.Gas is also associated between hinged seat 52 and hood skeleton 41
Spring 2, when the piston rod of gas spring 2 stretches out, hood skeleton 41 is rotated with first connecting rod around A hinges, and hood skeleton and first connects
Angle between bar becomes big.
Hood in off position when, between A hinges, B hinges, 4 points of C hinges and D hinges line constitute convex quadrangle
And C hinges and D hinges are on same one side of convex quadrangle；, near the top of hood, C hinges are near vehicle frame, A for D hinges
Hinge is located at the lower edge of hood.In the convex quadrangle that A hinges, B hinges, C hinges and D hinges are constituted line AC and CD into
Angle and line AB are obtuse angle with BD angles, between line AB and AC between angle and line BD and CD institute into folder
Angle is acute angle.
As shown in figure 3, when hood is in open mode, line AC is acute angle with CD angles；Line AB with
Angle is obtuse angle between AC.Line AB and BD angle in the quadrangle that A hinges, B hinges, C hinges and D hinges are constituted
For acute angle.Angle is obtuse angle between line BD and CD.
Hood in the present embodiment is the front portion of hood front to turn over formula, i.e. A hinges, the rear portion of hood
(right-hand member in Fig. 2) is located at the afterbody of vehicle frame.When engine is opened, as shown in figure 3, firmly acting on the afterbody of hood
Pull up under the auxiliary of gas spring, second connecting rod is rotated up around D hinges, realize that hood is integrally moved up, while
Hood is rotated around A pin joints relative to first connecting rod, and first connecting rod is rotated up around C pin joint relative frames, realizes starting
The translation upwards and the rotation around rear portion pin joint of hood, hood obtains larger under rotation with the compound motion of translation
Service clearance.
Hood lifting mechanism in the present embodiment can also be arranged to rear turning type.Gas spring is used as opening engine
The power assisting device of cover, it is possible to use hydraulic jack, motor add screw rod isoline displacement mechanism to substitute.
Claims (10)
1. a kind of hood lifting mechanism, including hood, vehicle frame；The hood is hinged machine by the left and right sides
Structure is hinged with vehicle frame, and both sides linkwork is symmetrical with regard to central plane；It is characterized in that described linkwork connects including first
Bar and second connecting rod, the two ends of the first connecting rod are hingedly connected to the C hinges of the A hinges and relative frame fixation on hood
Point, the two ends of the second connecting rod are hingedly connected to the D hinges of the B hinges and relative frame fixation on hood；A hinges, B
Hinge axis line at hinge, C hinges, D hinges is parallel to each other, A hinges, B hinges when the hood is closed
Line constitutes convex quadrangle and the same one side of C hinges and D hinges in the convex quadrangle between point, 4 points of C hinges and D hinges
On.
2. hood lifting mechanism according to claim 1, it is characterised in that the height of D hinges described in the vertical direction
Higher than the height of the C hinges, the height of B hinges is higher than the height of A hinges to degree.
3. hood lifting mechanism according to claim 2, it is characterised in that when hood is closed
The D hinges are located at the lower edge of hood near the top of hood, C hinges near the vehicle frame, the A hinges.
4. hood lifting mechanism according to claim 3, it is characterised in that the A when hood is closed
Line AC and CD angle and line AB and BD angle in the convex quadrangle that hinge, B hinges, C hinges and D hinges are constituted
Obtuse angle is, angle is acute angle between angle and line BD and CD between line AB and AC.
5. hood lifting mechanism according to claim 4, it is characterised in that the A when hood is in open mode
Line AC and CD angle is acute angle in the quadrangle that hinge, B hinges, C hinges and D hinges are constituted；Between line AB and AC
Angle is obtuse angle.
6. hood lifting mechanism according to claim 5, it is characterised in that the A when hood is in open mode
Line AB and BD angle is acute angle in the quadrangle that hinge, B hinges, C hinges and D hinges are constituted.
7. hood lifting mechanism according to claim 6, it is characterised in that the A when hood is in open mode
Angle is obtuse angle between line BD and CD in the quadrangle that hinge, B hinges, C hinges and D hinges are constituted.
8. hood lifting mechanism according to any one of claim 1 to 7, it is characterised in that also start including lifting
The lifting device of hood.
9. hood lifting mechanism according to claim 8, it is characterised in that described lifting device is one end and car
Frame is hinged, the straight-line displacement mechanism that the other end and first connecting rod or second connecting rod or hood are hinged.
10. hood lifting mechanism according to claim 9, it is characterised in that the straight-line displacement mechanism is hydraulic oil
Cylinder or gas spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139143.6A CN106639714A (en) | 2016-12-12 | 2016-12-12 | Engine hood lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139143.6A CN106639714A (en) | 2016-12-12 | 2016-12-12 | Engine hood lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106639714A true CN106639714A (en) | 2017-05-10 |
Family
ID=58824643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139143.6A Pending CN106639714A (en) | 2016-12-12 | 2016-12-12 | Engine hood lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639714A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916643A (en) * | 2017-12-25 | 2018-04-17 | 徐工集团工程机械有限公司 | Road sweeper |
| CN112639241A (en) * | 2018-08-30 | 2021-04-09 | 西门子交通股份有限公司 | Lifting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629406Y2 (en) * | 1988-06-30 | 1994-08-10 | 三菱自動車工業株式会社 | Trunk lid switchgear |
| EP1069029B1 (en) * | 1999-07-12 | 2003-05-02 | Webasto Vehicle Systems International GmbH | Tailgate for a vehicle |
| CN201087639Y (en) * | 2007-08-17 | 2008-07-16 | 上海通用汽车有限公司 | Split type four connecting rod hinge system |
| CN201501442U (en) * | 2009-04-28 | 2010-06-09 | 一拖(洛阳)建筑机械有限公司 | Engine casing opening device |
| CN103590689A (en) * | 2013-10-24 | 2014-02-19 | 湖南三一路面机械有限公司 | Covering-piece opening device, covering piece and engineering machine |
-
2016
- 2016-12-12 CN CN201611139143.6A patent/CN106639714A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629406Y2 (en) * | 1988-06-30 | 1994-08-10 | 三菱自動車工業株式会社 | Trunk lid switchgear |
| EP1069029B1 (en) * | 1999-07-12 | 2003-05-02 | Webasto Vehicle Systems International GmbH | Tailgate for a vehicle |
| CN201087639Y (en) * | 2007-08-17 | 2008-07-16 | 上海通用汽车有限公司 | Split type four connecting rod hinge system |
| CN201501442U (en) * | 2009-04-28 | 2010-06-09 | 一拖(洛阳)建筑机械有限公司 | Engine casing opening device |
| CN103590689A (en) * | 2013-10-24 | 2014-02-19 | 湖南三一路面机械有限公司 | Covering-piece opening device, covering piece and engineering machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916643A (en) * | 2017-12-25 | 2018-04-17 | 徐工集团工程机械有限公司 | Road sweeper |
| CN107916643B (en) * | 2017-12-25 | 2023-11-07 | 江苏徐工工程机械研究院有限公司 | road sweeper |
| CN112639241A (en) * | 2018-08-30 | 2021-04-09 | 西门子交通股份有限公司 | Lifting device |
| CN112639241B (en) * | 2018-08-30 | 2023-05-26 | 西门子交通股份有限公司 | Lifting device |
| US11761251B2 (en) | 2018-08-30 | 2023-09-19 | Siemens Mobility, Inc. | Lifting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
|
| WD01 | Invention patent application deemed withdrawn after publication |