CN109501780A - Leg structure and engineering truck - Google Patents
Leg structure and engineering truck Download PDFInfo
- Publication number
- CN109501780A CN109501780A CN201811617542.8A CN201811617542A CN109501780A CN 109501780 A CN109501780 A CN 109501780A CN 201811617542 A CN201811617542 A CN 201811617542A CN 109501780 A CN109501780 A CN 109501780A
- Authority
- CN
- China
- Prior art keywords
- leg
- static housing
- component
- assembly
- structure according
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 49
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 230000004807 localization Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of leg structure and engineering trucks, are related to engineering machinery field, to optimize leg structure.The leg structure includes static housing, first leg component and the second leg assembly.The first end of first leg component is installed on inside static housing；The first end of second leg assembly is installed on inside static housing, and the first end of the second leg assembly is nested in inside the first end of first leg component.Above-mentioned technical proposal, realize first leg component and the installation of the second leg assembly nested type, first leg component and the second leg assembly share outrigger box, the structure type is compact-sized, it occupies little space, easy to use, space needed for greatly optimizing supporting leg integral arrangement and supporting leg span, small-sized fire-fighting relief car is realized in the normal operation of specific region, it is applied widely on small-sized fire-fighting relief car and similar vehicles.
Description
Technical field
The present invention relates to engineering machinery fields, and in particular to a kind of leg structure and engineering truck.
Background technique
Existing support leg for engineered machine structure type includes: H-type supporting leg, X-type supporting leg and rear chiasma type supporting leg.
Inventors have found that at least there are following problems in the prior art: the supporting leg knot of the arranged on left and right sides of existing engineering machinery
Structure is all made of the installation of front and back parallel fashion, and left and right supporting leg moves in respective outrigger box respectively, and horizontal telescoping oil cylinder is mounted on
Supporting leg inner cavity, this structure type cause supporting leg and outrigger box occupied space big, are difficult to realize on small-sized fire-fighting relief car.It is small
The fire-fighting and rescue object of type fire-fighting and rescue vehicle is mainly that shanty town, combination area of city and country etc. are densely populated, road is narrow, basic fire-fighting
The region of facility shortcoming, the particularity of operating area have high requirements to its outer dimension.Current support leg for engineered machine structure
It is difficult to meet the requirements.
Summary of the invention
The present invention proposes a kind of leg structure and engineering truck, to optimize leg structure.
The invention proposes a kind of leg structures, comprising:
Static housing；
First leg component, first end are installed on inside the static housing；And
Second leg assembly, first end are installed on inside the static housing, and the first end of second leg assembly
It is nested in inside the first end of the first leg component.
In some embodiments, leg structure further include:
First driving mechanism is installed on inside the static housing, and is connect with the first leg Component driver.
In some embodiments, leg structure further include:
Second driving mechanism is installed on inside the static housing, and is drivingly connected with second leg assembly.
In some embodiments, leg structure further include:
Positioning mechanism is set between the first leg component and the static housing；And/or the positioning mechanism is set
Between the first leg component and second leg assembly.
In some embodiments, the positioning mechanism is configured to adjustable in length.
In some embodiments, the positioning mechanism includes:
Bolt is adjusted, is connect with the first leg component screw thread or second leg assembly.
In some embodiments, the positioning mechanism includes:
Rod piece, is configured to telescopic, and one end of the rod piece is installed on the first leg component or described
Static housing or second leg assembly；And
Rolling element is installed on the other end of the rod piece.
In some embodiments, the positioning mechanism includes:
Rod piece, is configured to telescopic, and one end of the rod piece is installed on the first leg component or described
Static housing or second leg assembly；And
Slide mass is installed on the other end of the rod piece.
In some embodiments, leg structure further include:
Sliding block is set between the first leg component and second leg assembly；And/or it is set to described first
Between leg assembly and the static housing.
In some embodiments, the material of the sliding block is nylon.
In some embodiments, the first leg component includes:
First active box, first end are installed on inside the static housing；And
First vertical leg is installed on the second end of first active box, and is located at outside the static housing.
In some embodiments, second leg assembly includes:
Second active box, first end are installed on the first leg component internal；And
Second vertical leg is installed on the second end of second active box, and is located at outside the static housing.
Another embodiment of the present invention provides a kind of engineering trucks, including supporting leg knot provided by any technical solution of the present invention
Structure.
In some embodiments, the engineering truck includes fire fighting truck.
Above-mentioned technical proposal proposes a kind of novel supporting leg knot for small-sized fire-fighting relief car and similar contribution machinery
Structure, the technical solution realize first leg component and the installation of the second leg assembly nested type, first leg component and second
Leg assembly shares outrigger box, and the structure type is compact-sized, occupies little space, easy to use, greatly optimizes supporting leg entirety
Space needed for arranging and supporting leg span, realize small-sized fire-fighting relief car in the normal operation of specific region, rescue in small-sized fire-fighting
It helps applied widely in vehicle and similar vehicles.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic front view of leg structure provided in an embodiment of the present invention；
Fig. 2 is the main view direction schematic cross-sectional view of leg structure provided in an embodiment of the present invention；
Fig. 3 is the cross-sectional view of leg structure provided in an embodiment of the present invention；
Fig. 4 is that leg structure provided in an embodiment of the present invention stretches out state main view direction schematic cross-sectional view.
Specific embodiment
Technical solution provided by the invention is illustrated in more detail below with reference to FIG. 1 to FIG. 4.
Referring to figs. 1 to 4, the embodiment of the present invention proposes a kind of leg structure, including static housing 1, first leg group
Part 2 and the second leg assembly 3.The first end of first leg component 2 is installed on inside static housing 1；The of second leg assembly 3
One end is installed on inside static housing 1, and the first end of the second leg assembly 3 is nested in the first end of first leg component 2
Portion.
Static housing 1 is fixed with car body, in the process of first leg component 2 and the respective telescopic movable of the second leg assembly 3
In, static housing 1 is fixed.
The cross section of static housing 1 is such as the shapes such as rectangle, circular, oval.First leg component 2 and
The shape of the nested parts of two leg assemblies 3 is matched with the shape of static housing 1.
Above-mentioned technical proposal, it is compact-sized, it occupies little space, it is easy to use, vehicle integral layout is greatly optimized,
It is applied widely on small-sized fire-fighting relief car.
Referring to Fig. 1, in some embodiments, leg structure further includes the first driving mechanism 4, the installation of the first driving mechanism 4
It is drivingly connected inside static housing 1, and with first leg component 2.
First driving mechanism 4 is located at the outside of first leg component 2.First driving mechanism 4 includes first level oil cylinder.The
One cross cylinder one end is connect by pin shaft with the first lifting lug 23 on following first active box 21, and the other end passes through pin shaft
It is connect with the first fixed lifting lug 11 on static housing 1.
Referring to Fig. 1, in some embodiments, leg structure further includes the second driving mechanism 5, the installation of the second driving mechanism 5
It is drivingly connected inside static housing 1, and with the second leg assembly 3.
Referring to Fig. 1, the second driving mechanism 5 is located at the outside of the second leg assembly 3.Second driving mechanism 5 includes the second water
Flat oil cylinder.Second cross cylinder one end is connect by pin shaft with the second lifting lug 33 on following second active box 31, another
End is connect by pin shaft with the second fixed lifting lug 12 on static housing 1.
Above-mentioned technical proposal is installed using left and right 1 nested type of active box, is installed outside cross cylinder supporting leg, both be ensure that
Supporting leg span, and optimize supporting leg and outrigger box occupied space.
Referring to Fig. 1, the first driving mechanism 4, the second driving mechanism about 5 side by side, be left and right symmetrically arranged, that is, first level
Oil cylinder and the second cross cylinder are arranged side by side up and down, are left and right symmetrically arranged.
When supporting leg acts, the first active box 21 moves right in 1 inner cavity of static housing under first level oil cylinder pushing
It is dynamic.Second active box 31 is moved to the left in the first active box 21 under the promotion of the second cross cylinder.Referring to Fig. 3, first
21 inner wall of active box is equipped with nylon slide block 7, prevents the first active box 21 from shaking.
Referring to Fig. 3, in some embodiments, leg structure further includes positioning mechanism 6, and positioning mechanism 6 is set to first leg
Between component 2 and static housing 1；And/or positioning mechanism 6 is set between first leg component 2 and the second leg assembly 3.
After first leg component 2 stretches out, since complete vehicle weight is big, first leg component 2 can be deformed.Positioning mechanism 6 is used to
Adjust the distance between first leg component 2 and static housing 1.
After second leg assembly 3 stretches out, since complete vehicle weight is big, the second leg assembly 3 can be deformed.Positioning mechanism 6 is used to
Adjust the distance between first leg component 2 and the second leg assembly 3.
In some embodiments, positioning mechanism 6 is configured to adjustable in length.
Such as use telescopic structure, or use elastic construction so that kept between two components setting away from
From.For example positioning mechanism 6 is set between first leg component 2 and static housing 1, then makes first leg component 2 and fixed case
The distance that setting is kept between body 1 is deformed after preventing first leg component 2 from stretching out due to self weight, so that first leg component 2
It is worn between 1 inner wall of static housing.Such as positioning mechanism 6 be set to first leg component 2 and the second leg assembly 3 it
Between, then make the distance for keeping setting between first leg component 2 and the second leg assembly 3, prevents the second leg assembly 3 from stretching out
It is deformed afterwards due to self weight, so that being worn between 3 inner wall of first leg component 2 and the second leg assembly.
The optional implementation of positioning mechanism 6 is described below.
In some embodiments, positioning mechanism 6 includes adjusting bolt, adjusts bolt and is threadedly coupled with first leg component 2.
After adjusting bolt installation, for determining the engineering machinery of model, it is substantially determining for adjusting the length of bolt.
During the work time, the length for adjusting bolt can be set according to actual needs.
In some embodiments, positioning mechanism 6 includes rod piece and rolling element.Rod piece is configured to telescopic, and rod piece
One end be installed on first leg component 2 or static housing 1.Rolling element is installed on the other end of rod piece.The friction of rolling element
Resistance is small.
In some embodiments, positioning mechanism 6 includes rod piece and slide mass.Rod piece is configured to telescopic, and rod piece
One end be installed on first leg component 2 or static housing 1；Slide mass is installed on the other end of rod piece.The friction of slide mass
Resistance is small.
In some embodiments, leg structure further includes sliding block 7, and sliding block 7 is set to first leg component 2 and the second supporting leg group
Between part 3.And/or sliding block 7 is set between first leg component 2 and static housing 1.
In some embodiments, the material of sliding block 7 is nylon.
Referring to fig. 4, in some embodiments, first leg component 2 includes the first active box 21 and the first vertical leg
22.The first end of first active box 21 is installed on inside static housing 1；First vertical leg 22 is installed on the first active box
21 second end, and be located at outside static housing 1.
First active box 21 is mainly welded by upper sealing plate, left sealing plate, lower sealing plate, right sealing plate, side seal board, forms case
Shape structure.
First active box 21 is placed in static housing 1, and 21 inner surface of the first active box is equipped with nylon slide block 7, is adjusted
Section bolt is used to adjust the level of the first active box 21 and the gap with static housing 1.
Referring to fig. 4, in some embodiments, the second leg assembly 3 includes the second active box 31 and the second vertical leg
32.The first end of second active box 31 is installed on inside first leg component 2；Second vertical leg 32 is installed on the second activity
The second end of cabinet 31, and be located at outside static housing 1.
Second active box 31 is mainly welded by upper sealing plate, left sealing plate, lower sealing plate, right sealing plate, side seal board, forms case
Shape structure.
Second active box 31 is similar with 21 structure of the first active box, and difference is the section of the second active box 31
Less than the section of the first active box 21.
Second active box 31 is placed in the cavity of the first active box 21, and 31 outer surface surrounding of the second active box is equal
Equipped with nylon slide block 7.
Another embodiment of the present invention provides a kind of engineering trucks, including supporting leg knot provided by any technical solution of the present invention
Structure.
One of them is located at the left side of engineering truck for first leg component 2 and the second leg assembly 3, another is located at engineering
The right side of vehicle.Left side herein, right side are with the left and right for reference of driver.
Engineering truck such as includes two groups of first leg components 2 and the second leg assembly 3, and first group is located at engineering truck
Near front wheels, second group of near rear wheels positioned at engineering truck.
In some embodiments, engineering machinery includes fire fighting truck, small-sized fire-fighting relief car and other military vehicles.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
But these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (14)
1. a kind of leg structure characterized by comprising
Static housing (1)；
First leg component (2), it is internal that first end is installed on the static housing (1)；And
Second leg assembly (3), first end are installed on that the static housing (1) is internal, and the of second leg assembly (3)
One end is nested in inside the first end of the first leg component (2).
2. leg structure according to claim 1, which is characterized in that further include:
It is internal to be installed on the static housing (1), and drives and connects with the first leg component (2) for first driving mechanism (4)
It connects.
3. leg structure according to claim 1, which is characterized in that further include:
It is internal to be installed on the static housing (1), and drives and connects with second leg assembly (3) for second driving mechanism (5)
It connects.
4. leg structure according to claim 1, which is characterized in that further include:
Positioning mechanism (6) is set between the first leg component (2) and the static housing (1)；And/or the localization machine
Structure (6) is set between the first leg component (2) and second leg assembly (3).
5. leg structure according to claim 4, which is characterized in that it is adjustable that the positioning mechanism (6) is configured to length
Section.
6. leg structure according to claim 5, which is characterized in that the positioning mechanism (6) includes:
Bolt is adjusted, is threadedly coupled with the first leg component (2) or second leg assembly (3).
7. leg structure according to claim 5, which is characterized in that the positioning mechanism (6) includes:
Rod piece, is configured to telescopic, and one end of the rod piece is installed on the first leg component (2) or described solid
Determine cabinet (1) or second leg assembly (3)；And
Rolling element is installed on the other end of the rod piece.
8. leg structure according to claim 5, which is characterized in that the positioning mechanism (6) includes:
Rod piece, is configured to telescopic, and one end of the rod piece is installed on the first leg component (2) or described solid
Determine cabinet (1) or second leg assembly (3)；And
Slide mass is installed on the other end of the rod piece.
9. leg structure according to claim 1, which is characterized in that further include:
Sliding block (7) is set between the first leg component (2) and second leg assembly (3)；And/or it is set to described the
Between one leg assembly (2) and the static housing (1).
10. leg structure according to claim 9, which is characterized in that the material of the sliding block (7) is nylon.
11. leg structure according to claim 1, which is characterized in that the first leg component (2) includes:
First active box (21), it is internal that first end is installed on the static housing (1)；And
First vertical leg (22) is installed on the second end of first active box (21), and is located at the static housing (1)
It is external.
12. leg structure according to claim 1, which is characterized in that second leg assembly (3) includes:
Second active box (31), it is internal that first end is installed on the first leg component (2)；And
Second vertical leg (32) is installed on the second end of second active box (31), and is located at the static housing (1)
It is external.
13. a kind of engineering truck, which is characterized in that including any leg structure of claim 1~12.
14. engineering truck according to claim 13, which is characterized in that the engineering truck includes fire fighting truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617542.8A CN109501780A (en) | 2018-12-28 | 2018-12-28 | Leg structure and engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617542.8A CN109501780A (en) | 2018-12-28 | 2018-12-28 | Leg structure and engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109501780A true CN109501780A (en) | 2019-03-22 |
Family
ID=65755597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617542.8A Pending CN109501780A (en) | 2018-12-28 | 2018-12-28 | Leg structure and engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109501780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866690A (en) * | 2019-04-03 | 2019-06-11 | 徐工集团工程机械有限公司 | Engineering truck |
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