CN106184372B - A kind of engineering machinery chassis connection structure - Google Patents
A kind of engineering machinery chassis connection structure Download PDFInfo
- Publication number
- CN106184372B CN106184372B CN201610743272.XA CN201610743272A CN106184372B CN 106184372 B CN106184372 B CN 106184372B CN 201610743272 A CN201610743272 A CN 201610743272A CN 106184372 B CN106184372 B CN 106184372B
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- Prior art keywords
- longeron
- framves
- connecting plates
- frame
- bending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention discloses a kind of engineering machinery chassis connection structure, including H framves, longeron and the H frame bending connecting plates for H framves to be connect with longeron and H frame horizontal connecting plates, and H frame bending connecting plates are in Z-shaped structure with the welding of H frame horizontal connecting plates；H frame bending connecting plates are welded on the lower section of H framves one end；H framves are fixedly connected with the longeron top plate of longeron in vertical direction by H frame bending connecting plates, and are fixedly connected in the horizontal direction with the longeron bottom plate of longeron by H framves horizontal connecting plate.The connection of H framves and longeron is made of top surface and side in the present invention, and three-dimensional connection structure carrying is uniform, is less prone to stress concentration, and the structural strength of connection greatly enhances, and connection reliability is high；Under the premise of ensureing chassis total height, enough structure spaces are provided to H framves, to ensure that H framves have enough structural strengths；Simple in structure, type of attachment is mainly embodied by a bending plate, is reduced welding structure, is reduced welding cost.
Description
Technical field
The present invention relates to a kind of connection structure, specifically a kind of engineering machinery chassis connection structure belongs to engineering machinery skill
Art field.
Background technology
Currently, engineering machinery chassis, especially caterpillar engineering machinery chassis, structure type is generally by being placed in centre
For connecting the H framves got on the bus and splitting longeron three parts composition of the left and right sides for arranging running gear.For heavy construction
It is larger due to conducting oneself with dignity for machinery chassis, and lateral Outside Dimensions are larger, are not easy to whole Transporting, therefore need detachable form
Chassis.
In existing detachable engineering machinery chassis, principal mode is that H framves are overlapped on longeron, this structure H framves
It is placed in completely on longeron top surface, connects H framves and longeron from the top down by bolt.Although this structure is detachable,
There are the following problems：Firstly, since H framves structure size limits chassis height by complete machine, structural strength and rigidity are difficult
To be guaranteed, in large-scale engineering machinery, this phenomenon is especially apparent.Secondly as this type of attachment, puts down only on longeron
Face and with H framves coordinate carry, bearing structure is relatively simple, is easy to cause stress concentration in connecting portion, bearing capacity is limited, can
It is not strong by property and stability.
In addition to bridging type connection type, also the H framves of some engineering machinery chassis are inserted into longeron, such type of attachment
Can significantly weaken longeron structural strength, be of limited application, be particularly difficult to adapt to working frequency it is relatively high, bear alternating load
More serious occasion.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of engineering machinery chassis connection structure, carrying is equal
It is even, it is less prone to stress concentration, the structural strength and reliability of connection can be enhanced.Meanwhile this can ensure chassis total height
Under the premise of, enough structure spaces are provided to H framves, to ensure that H framves have enough structural strengths.
To achieve the goals above, a kind of engineering machinery chassis connection structure that the present invention uses, including longeron and H framves,
Further include the H frame bending connecting plates and H frame horizontal connecting plates for H framves to be connect with longeron, H frame bending connecting plates and H frame water
The welding of flushconnection plate is in Z-shaped structure；H frame bending connecting plates are welded on the lower section of H framves one end；H framves pass through H frame bending connecting plates
It is fixedly connected in vertical direction with the longeron top plate of longeron, and by the longeron bottom plate of H framves horizontal connecting plate and longeron in level
Direction is fixedly connected.
Preferably, the H framves are connected by two groups of H frame bending connecting plates and the front and back ends of H framves horizontal connecting plate and longeron
It connects.
Preferably, the longeron is the orthogonal body structure in four sides, including longeron top plate, longeron bottom plate and two
The vertical side plate being welded between longeron top plate and longeron bottom plate.
Preferably, it is 80 degree of bending plates that the H framves bending connecting plate, which is a bending angle, and bending part is equipped with chamfering, H framves
80 degree of angle welding between bending connecting plate and H frame horizontal connecting plates.
Preferably, the H framves bending connecting plate is bonded with longeron top plate large area, and by being bolted vertically, every group
Junction, the arrangement of connection structure three that bolt ring is stretched out around H framves are set.
Preferably, the H framves horizontal connecting plate is connect by side bolt with longeron bottom plate, the side of H frame horizontal connecting plates
Face is equipped with through-hole, and longeron bottom plate corresponding position is equipped with tapped blind hole.
Preferably, the longeron bottom plate and H frame horizontal connecting plates junction are equipped with raised platforms, and by raised platforms with
H framves horizontal connecting plate carries out splicing cooperation.
Preferably, it is cased with steel bushing on the vertical bolt.
Preferably, the junction of the H framves and longeron, downside, H frame bending connecting plates and the H framves horizontal connecting plate of H framves it
Between be welded with deep floor.
Compared with prior art, the present invention by the welded H frame bending connecting plate on H framves and H framves horizontal connecting plate come real
The connection of existing H framves and longeron.Moreover, the connection of H framves and longeron is made of top surface and side, three-dimensional connection structure carrying is uniform,
It is less prone to stress concentration, the structural strength of connection greatly enhances, and connection reliability is high.Meanwhile the structure can ensure bottom
Under the premise of disk total height, enough structure spaces are provided to H framves, to ensure that H framves have enough structural strengths.Moreover, knot
Structure is simple, and type of attachment is mainly embodied by a bending plate, is reduced welding structure, is reduced welding cost.
Description of the drawings
Fig. 1 is the vertical view of assembling schematic diagram of the present invention；
Fig. 2 is the upward view of assembling schematic diagram of the present invention；
Fig. 3 is to fix the structural schematic diagram after bending connecting plate and horizontal connecting plate on H framves of the present invention.
In figure：1, longeron, 2, H framves, 3, vertical bolt, 4, side bolt, 101, longeron top plate, 102, longeron bottom plate,
201, H framves bending connecting plate, 202, H frame horizontal connecting plates.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of engineering machinery chassis connection structure, including longeron 1 and H framves 2 further include for by H
The H frame bendings connecting plate 201 and H framves horizontal connecting plate 202 that frame 2 is connect with longeron 1, H frame bendings connecting plate 201 and H framves are horizontal
The welding of connecting plate 202 is in Z-shaped structure；H frame bendings connecting plate 201 is as the cross break top of Z-shaped and as Z-shaped horizontal base
The welding of H framves horizontal connecting plate 202 on side is in Z-shaped structure；H frame bendings connecting plate 201 is welded on the lower section of 2 one end of H framves；H framves 2
It is fixedly connected in vertical direction with the longeron top plate 101 of longeron 1 by H frame bendings connecting plate 201, and passes through H frame horizontal connections
Plate 202 is fixedly connected in the horizontal direction with the longeron bottom plate 102 of longeron 1.In Z-shaped structure, H frame bendings connecting plate 201 is used as Z
The cross break top of font, bottom horizontal of the H framves horizontal connecting plate as Z-shaped.
Preferably, the H framves 2 by two groups of H frame bendings connecting plates 201 and H framves horizontal connecting plate 202 with before longeron 1,
Rear end connects.It is symmetrically connected by two groups, the structural strength entirely connected considerably increases, and connection is more reliable, stablizes.
Preferably, the longeron 1 is the orthogonal body structure in four sides, including longeron top plate 101, longeron bottom plate 102
And two vertical side plates being welded between longeron top plate 101 and longeron bottom plate 102.The longeron of this structure, in addition welding
At the H frame bendings connecting plate 201 and H framves horizontal connecting plate 202 of Z-shaped, it can make bearing capacity vertically and horizontally can
To be transmitted naturally along H frame bending connecting plates.
Preferably, it is 80 degree of bending plates that the H framves bending connecting plate, which is a bending angle, and bending part is equipped with chamfering, H framves
80 degree of angle welding between bending connecting plate 201 and H framves horizontal connecting plate 202.I.e. H framves bending connecting plate 201 can be by a rectangle
Tablet carries out 80 degree bendings at the asymmetric place of long side and obtains, and before bending, and edges of boards edge is opened certain length and fallen at bending line
Angle, the setting of chamfering can weaken the stress concentration of bending rear edge.
Preferably, the H framves bending connecting plate 201 is bonded with 101 large area of longeron top plate, for main connection forced section
Position；It is provided with multiple through-holes at extension on H frame bendings connecting plate 201 relative to H framves, corresponding position on longeron top plate 101
It is provided with the identical threaded hole of quantity, is connected in the vertical direction by multiple vertical bolts 3 between the two.In view of stress and hold
Loading capability is uniformly distributed, and the arrangement of connection structure three that vertical bolt 3 is stretched out around H framves is set, meanwhile, also increase the intensity of connection
With reliability, it is specifically shown in Fig. 1.
Preferably, the H framves horizontal connecting plate 202 is connect by side bolt 4 with longeron bottom plate 102, H frame horizontal connections
The side of plate 202 is equipped with through-hole, and 102 corresponding position of longeron bottom plate is equipped with tapped blind hole.Side bolt 4 connects across H frame levels
Fishplate bar 202 is connect with the tapped blind hole on longeron bottom plate 102 so that H framves horizontal connecting plate 202 and longeron bottom plate 102 are in level
It is fixed on direction, and the connection of this horizontal direction enormously simplifies the structure of side connection, saves space.
Preferably, the longeron bottom plate 202 is equipped with raised platforms with 202 junction of H framves horizontal connecting plate, and passes through protrusion
Platform carries out splicing cooperation with H framves horizontal connecting plate.
Further, steel bushing can be cased on the vertical bolt 3.Steel bushing is added, and crucial coupling part bolt can be increased
Flexibility, to reduce connection bolt stress amplitude, improve the bonding strength of bolt.
It further, can be in the junction of the H framves 2 and longeron 1, downside, H frame bendings connecting plate 201 and the H frame water of H framves 2
It is welded with deep floor between flushconnection plate 202.As shown in Fig. 2, solderable be connected to three deep floors.The setting of deep floor can
Increase the bonding strength of H framves side.
Longeron 1, H framves 2, vertical bolt 3, side bolt 4, longeron top plate 101, longeron bottom plate 102,
When installation, as depicted in figs. 1 and 2, can H frame bendings connecting plate 201, H framves horizontal connecting plate 202 be first welded into Z
Font structure, and by entire Z-shaped structure welding in the corresponding position of H framves 2；Reprocess H frame bendings connecting plate 201 above and
The connection through-hole of 202 side of H framves horizontal connecting plate；Meanwhile it being processed in the corresponding position of longeron top plate 101, longeron bottom plate 102
There is threaded hole.Finally, longeron 1 is arranged in 2 end of H framves by diagram, vertical bolt 3 screws in from top to bottom, by connecting H framves folding
H framves 2 and longeron 1 are fixed together by curved connecting plate 201 and longeron top plate 101 in vertical direction；Meanwhile side bolt 4 is by indulging
Horizontal direction screws in beam extroversion longeron, and H framves 2 and longeron 1 are existed by connecting H framves horizontal connecting plate 202 and longeron bottom plate 102
Horizontal direction is fixed together.This type of attachment is simple in structure, and reliability is high, it is easy to accomplish, especially suitable for heavy construction
Machinery chassis.
By above structure as it can be seen that in the present invention connection of H framves and longeron be made of top surface and side, three-dimensional connection structure is held
It carries uniformly, is less prone to stress concentration, the structural strength of connection greatly enhances, and connection reliability is high.The structure can be simultaneously
Under the premise of ensureing chassis total height, enough structure spaces are provided to H framves, to ensure that H framves have enough structural strengths.And
And it is simple in structure, type of attachment is mainly embodied by a bending plate, is reduced welding structure, is reduced welding cost.
The specific implementation of the present invention is described in detail above, but the present invention be not restricted to it is described above specific
Embodiment is intended only as example.To those skilled in the art, any that being equal for chassis connection structure progress is repaiied
Change and substitutes also all among scope of the invention.Therefore, made equalization without departing from the spirit and scope of the invention
Transformation and modification, all should be contained within the scope of the invention.
Claims (7)
1. a kind of engineering machinery chassis connection structure, including longeron（1）With H framves（2）, which is characterized in that further include for by H framves
（2）With longeron（1）The H frame bending connecting plates of connection（201）With H frame horizontal connecting plates（202）, H frame bending connecting plates（201）With
H frame horizontal connecting plates（202）Welding is in Z-shaped structure；H frame bending connecting plates（201）It is welded on H framves（2）The lower section of one end；H
Frame（2）Pass through H frame bending connecting plates（201）With longeron（1）Longeron top plate（101）It is fixedly connected in vertical direction, and passes through H
Frame horizontal connecting plate（202）With longeron（1）Longeron bottom plate（102）It is fixedly connected in the horizontal direction；
The H framves（2）Pass through two groups of H frame bending connecting plates（201）With H frame horizontal connecting plates（202）With longeron（1）It is forward and backward
End connection；
The longeron（1）For the orthogonal body structure in four sides, including longeron top plate（101）, longeron bottom plate（102）And two
It is a to be welded on longeron top plate vertically（101）With longeron bottom plate（102）Between side plate.
2. a kind of engineering machinery chassis connection structure according to claim 1, which is characterized in that the H framves bending connection
Plate is that a bending angle is 80 degree of bending plates, and bending part is equipped with chamfering, H frame bending connecting plates（201）With H frame horizontal connecting plates
（202）Between the welding of 80 degree of angles.
3. a kind of engineering machinery chassis connection structure according to claim 1, which is characterized in that the H framves bending connection
Plate（201）With longeron top plate（101）Large area is bonded, and passes through vertical bolt（3）Connection, every group of junction, bolt ring is around H framves
The arrangement of connection structure three of stretching is set.
4. a kind of engineering machinery chassis connection structure according to claim 1, which is characterized in that the H framves horizontal connection
Plate（202）Pass through side bolt（4）With longeron bottom plate（102）Connection, H frame horizontal connecting plates（202）Side be equipped with through-hole, indulge
Beam bottom plate（102）Corresponding position is equipped with tapped blind hole.
5. a kind of engineering machinery chassis connection structure according to claim 1, which is characterized in that the longeron bottom plate（102
）With H frame horizontal connecting plates（202）Junction is equipped with raised platforms, and is spliced by raised platforms and H frame horizontal connecting plates
Cooperation.
6. a kind of engineering machinery chassis connection structure according to claim 3, which is characterized in that the vertical bolt（3）
On be cased with steel bushing.
7. a kind of engineering machinery chassis connection structure according to claim 1, which is characterized in that the H framves（2）With longeron
（1）Junction, H framves（2）Downside, H frame bending connecting plates（201）With H frame horizontal connecting plates（202）Between be welded with reinforcement
Floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743272.XA CN106184372B (en) | 2016-08-26 | 2016-08-26 | A kind of engineering machinery chassis connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610743272.XA CN106184372B (en) | 2016-08-26 | 2016-08-26 | A kind of engineering machinery chassis connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106184372A CN106184372A (en) | 2016-12-07 |
| CN106184372B true CN106184372B (en) | 2018-09-25 |
Family
ID=57526300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610743272.XA Active CN106184372B (en) | 2016-08-26 | 2016-08-26 | A kind of engineering machinery chassis connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106184372B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201769886U (en) * | 2010-08-04 | 2011-03-23 | 贵州詹阳动力重工有限公司 | Crawler type hydraulic excavator chassis |
| CN104228950A (en) * | 2014-08-27 | 2014-12-24 | 徐州徐工挖掘机械有限公司 | Combined engineering machinery chassis connection structure |
| CN204137107U (en) * | 2014-07-31 | 2015-02-04 | 徐州徐工挖掘机械有限公司 | Engineering machinery chassis connection structure |
| CN204472934U (en) * | 2015-02-11 | 2015-07-15 | 东风商用车有限公司 | Tractor saddle connecting plate |
| EP2990308A1 (en) * | 2014-08-25 | 2016-03-02 | Benteler Automobiltechnik GmbH | Cross-member for a motor vehicle and method for producing a cross-member |
| CN205971488U (en) * | 2016-08-26 | 2017-02-22 | 徐州徐工挖掘机械有限公司 | Connecting structure for engineering machinery chassis |
-
2016
- 2016-08-26 CN CN201610743272.XA patent/CN106184372B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201769886U (en) * | 2010-08-04 | 2011-03-23 | 贵州詹阳动力重工有限公司 | Crawler type hydraulic excavator chassis |
| CN204137107U (en) * | 2014-07-31 | 2015-02-04 | 徐州徐工挖掘机械有限公司 | Engineering machinery chassis connection structure |
| EP2990308A1 (en) * | 2014-08-25 | 2016-03-02 | Benteler Automobiltechnik GmbH | Cross-member for a motor vehicle and method for producing a cross-member |
| CN104228950A (en) * | 2014-08-27 | 2014-12-24 | 徐州徐工挖掘机械有限公司 | Combined engineering machinery chassis connection structure |
| CN204472934U (en) * | 2015-02-11 | 2015-07-15 | 东风商用车有限公司 | Tractor saddle connecting plate |
| CN205971488U (en) * | 2016-08-26 | 2017-02-22 | 徐州徐工挖掘机械有限公司 | Connecting structure for engineering machinery chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106184372A (en) | 2016-12-07 |
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