CN112265921A - Engineering machinery supporting leg - Google Patents
Engineering machinery supporting leg Download PDFInfo
- Publication number
- CN112265921A CN112265921A CN202011266866.9A CN202011266866A CN112265921A CN 112265921 A CN112265921 A CN 112265921A CN 202011266866 A CN202011266866 A CN 202011266866A CN 112265921 A CN112265921 A CN 112265921A
- Authority
- CN
- China
- Prior art keywords
- main
- resistance
- vice
- compression base
- compression
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 81
- 238000007906 compression Methods 0.000 claims abstract description 81
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 8
- 230000017105 transposition Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses an engineering machinery supporting leg, and relates to the technical field of engineering machinery. Including main resistance to compression base, vice resistance to compression base and main hydraulic stem, vice resistance to compression base is in the outer wall both sides of main resistance to compression base, and main hydraulic stem is in the bottom department of main resistance to compression base, and the fixed connecting block that is provided with in top center department of main resistance to compression base, main resistance to compression base are close to the fixed protection tube that is provided with in top of fixed connecting block, and the outer wall center department cover of protection tube is equipped with the protective sheath. Through main resistance to compression base, vice resistance to compression base, main buffer block, vice buffer block, main stable piece and vice stable piece, can realize engineering machine tool in the subaerial operation of road bed injustice, the work efficiency is improved, the time of the erection time is reduced, through main hydraulic stem, vice hydraulic stem, protective sheath, fixed connection piece and swivelling joint post, when can realizing the engineering machine tool operation, make engineering machine tool support on the landing leg, prevent to take place to tumble the accident, the security performance has been improved.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an engineering machinery supporting leg.
Background
At present, engineering machinery comprises an automobile crane, a concrete pump truck and the like, when the engineering machinery arrives at an operation site, a supporting leg arm is unfolded in a swinging or telescopic mode, and a supporting leg extends to contact the ground to support a vehicle body.
The current engineering machinery landing leg is unable operation on the ground of other reasons such as the uneven or soft road bed of road bed, has leaded to other operations to continue work, makes some construction tasks that need accomplish on time can not accomplish, makes the construction period postpone, and secondly some engineering machinery landing legs are all fixed height, can't let engineering machinery landing leg laminate in ground completely, appear the misoperation during messenger's engineering, make the center skew, the accident of tumbling takes place easily.
Disclosure of Invention
The invention provides an engineering machinery landing leg, which can realize the operation of engineering machinery on the uneven ground of a roadbed through a main compression-resistant base, an auxiliary compression-resistant base, a main buffer block, an auxiliary buffer block, a main stabilizing block and an auxiliary stabilizing block, improves the working efficiency, reduces the construction period time, and can realize the support of the engineering machinery on the landing leg when the engineering machinery operates through a main hydraulic rod, an auxiliary hydraulic rod, a protective sleeve, a fixed connecting block and a rotary connecting column, thereby preventing the occurrence of tilting accidents and improving the safety performance.
In order to achieve the purpose, the invention is realized by the following technical scheme: an engineering machinery landing leg comprises a main compression base, auxiliary compression bases and a main hydraulic rod, wherein the auxiliary compression bases are arranged on two sides of the outer wall of the main compression base, the main hydraulic rod is arranged at the bottom of the main compression base, a fixed connecting block is fixedly arranged at the center of the top of the main compression base, a protective tube is fixedly arranged at the top of the main compression base, which is close to the fixed connecting block, a protective sleeve is sleeved at the center of the outer wall of the protective tube, two auxiliary buffer blocks are fixedly arranged at the top of the outer wall of the main compression base, rotary connecting shafts are hinged at the bottoms of the outer walls of the two auxiliary compression bases, the outer wall of each rotary connecting shaft is hinged at the bottom of the outer wall of the main compression base, an auxiliary hydraulic rod is slidably sleeved at the bottom of the inner wall of the main hydraulic rod, a sliding telescopic column is fixedly arranged on the back of, and a rotary hydraulic column is slidably sleeved at the bottom of the inner wall of the auxiliary hydraulic rod.
In order to improve the practicability of the device, the preferable engineering machinery supporting leg is that the top parts of the outer walls of the two auxiliary compression-resistant bases are fixedly provided with main buffer blocks, and one sides of the main buffer blocks, far away from the auxiliary compression-resistant bases, are attached to the outer walls of the auxiliary buffer blocks.
In order to improve the stability of the device, as an optimal choice for the engineering machinery supporting leg, a plurality of main stabilizing blocks are fixedly arranged at the bottom of the main compression-resistant base, and a plurality of auxiliary stabilizing blocks are fixedly arranged at the bottoms of the two auxiliary compression-resistant bases.
In order to improve the fixity of the device, as an optimal choice of the engineering machinery supporting leg, four fixing blocks are fixedly arranged on one side, close to each other, of the outer wall of the two auxiliary compression-resistant bases, and the four fixing blocks are all positioned on the same horizontal plane.
In order to improve the functionality of the device, the engineering machinery supporting leg is preferably provided with a stable spring embedded in the center of the bottom of the main compression-resistant base, and a stable bottom plate is fixedly arranged at one end of the bottom of the stable spring.
In order to improve the connectivity of the device, the preferable engineering machinery support leg is that the bottom of the inner wall of the rotary hydraulic column is slidably sleeved with a rotary connecting column, and the bottom of the outer wall of the rotary connecting column is embedded in the inner wall of the fixed connecting block.
The invention provides an engineering machinery supporting leg. The method has the following beneficial effects:
(1) this engineering machine landing leg through main resistance to compression base, vice resistance to compression base, main buffer block, vice buffer block, main stabilizing block and vice stabilizing block, can realize engineering machine tool in the subaerial operation of road bed injustice, has improved work efficiency, has reduced the time of a project.
(2) This engineering machine tool landing leg through main hydraulic stem, vice hydraulic stem, protective sheath, fixed connection piece and swivelling joint post, when can realizing the engineering machine tool operation, makes engineering machine tool support on the landing leg, prevents to take place the accident of tumbling, has improved the security performance.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a front view of the present invention.
In the figure: 1. a main compression resistant base; 2. an auxiliary compression-resistant base; 3. a main buffer block; 4. a sub-buffer block; 5. rotating the hydraulic column; 6. a secondary hydraulic stem; 7. the main hydraulic rod; 8. sliding the telescopic column; 9. a main body connecting column; 10. rotating the connecting shaft; 11. a main stabilization block; 12. a secondary stabilization block; 13. rotating the connecting column; 14. protecting the tube; 15. a protective sleeve; 16. a fixed block; 17. fixing a connecting block; 18. a stabilizing spring; 19. and stabilizing the bottom plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-3, the present invention provides a technical solution: an engineering machinery landing leg comprises a main compression-resistant base 1, auxiliary compression-resistant bases 2 and a main hydraulic rod 7, wherein the auxiliary compression-resistant bases 2 are arranged on two sides of the outer wall of the main compression-resistant base 1, the main hydraulic rod 7 is arranged at the bottom of the main compression-resistant base 1, a fixed connecting block 17 is fixedly arranged at the center of the top of the main compression-resistant base 1, a protective pipe 14 is fixedly arranged at the top of the main compression-resistant base 1 close to the fixed connecting block 17, a protective sleeve 15 is sleeved at the center of the outer wall of the protective pipe 14, two auxiliary buffer blocks 4 are fixedly arranged at the top of the outer wall of the main compression-resistant base 1, rotary connecting shafts 10 are hinged at the bottoms of the outer walls of the two auxiliary compression-resistant bases 2, the outer walls of the rotary connecting shafts 10 are hinged at the bottom of the outer wall of the main compression-resistant base 1, auxiliary hydraulic rods 6 are slidably sleeved at the bottom of, the bottom of the inner wall of the auxiliary hydraulic rod 6 is slidably sleeved with a rotary hydraulic column 5.
In this embodiment: through swivelling joint axle 10, can make two vice resistance to compression bases 2 rotate with main resistance to compression base 1 and be connected, through vice resistance to compression base 2, can make vice buffer block 4 fix on vice resistance to compression base 2, through swivelling joint post 13, can make main hydraulic stem 7 and fixed connection piece 17 interconnect, make vice hydraulic stem 6 slide through hydraulic pressure, vice hydraulic stem 6 makes rotatory hydraulic stem 5 slide through hydraulic means, through the flexible post 8 of slip, can make main hydraulic stem 7 and main part spliced pole 9, make the landing leg can stretch out and draw back, make engineering machine tool support on the landing leg.
Specifically, the outer wall tops of two vice resistance to compression bases 2 are all fixed and are provided with main buffer block 3, and one side that vice resistance to compression base 2 was kept away from to main buffer block 3 all laminates in the outer wall department of vice buffer block 4.
In this embodiment: through main buffer block 3, can make main resistance to compression base 1 fix on the uneven ground in road surface.
Specifically, the bottom of main resistance to compression base 1 is fixed and is provided with a plurality of main stabilizing blocks 11, and the bottom of two vice resistance to compression bases 2 is all fixed and is provided with a plurality of vice stabilizing blocks 12.
In this embodiment: through the auxiliary stabilizing block 12, the auxiliary compression-resistant base 2 can be fixed on the ground with uneven road surface, so that the stress area of the engineering machinery supporting leg is increased.
Specifically, four fixing blocks 16 are fixedly arranged on one side of the outer wall, close to each other, of the two auxiliary compression-resistant bases 2, and the four fixing blocks 16 are all located on the same horizontal plane.
In this embodiment: the fixing block 16 can make the auxiliary compression-resistant base 2 play a fixing effect after being unfolded.
Specifically, a stabilizing spring 18 is embedded in the center of the bottom of the main compression-resistant base 1, and a stabilizing bottom plate 19 is fixedly arranged at one end of the bottom of the stabilizing spring 18.
In this embodiment: through the stabilizing spring 18, the stabilizing bottom plate 19 can be attached to the ground, so that the main compression-resistant base 1 is more stable in contact with the ground.
Specifically, the inner wall bottom of the rotary hydraulic column 5 is slidably sleeved with a rotary connecting column 13, and the outer wall bottom of the rotary connecting column 13 is embedded in the inner wall of the fixed connecting block 17.
In this embodiment: by rotating the connection column 13, the rotating hydraulic column 5 can be connected to the fixed connection block 17, and the fixed connection block 17 can be rotated.
When in use, the landing legs are extended outwards through the main body connecting column 9 connected with engineering machinery, the main hydraulic rod 7 hydraulically enables the auxiliary hydraulic rod 6 to slide, the auxiliary hydraulic rod 6 hydraulically enables the rotary hydraulic column 5 to slide, when the ground is relatively flat, the main compression-resistant base 1 is directly lowered, so that the main compression-resistant base 1 is fixed on the ground, when the ground is uneven, when the device is descended, the auxiliary compression-resistant base 2 is opened, the main buffer block 3 is attached to the auxiliary buffer block 4, the main compression-resistant base 1 is descended, the main compression-resistant base 1 is fixed on the ground with uneven road surface, the work of constructors is facilitated, the working efficiency is improved, when the device is not used, the main compression-resistant base 1 is lifted, the auxiliary compression-resistant base 2 is closed, being flexible main resistance to compression base 1, the protection tube 14 can protect the hydraulic pipe and prevent damaging, and firm spring 18 can make firm bottom plate 19 laminating ground, makes main resistance to compression base 1 contact ground more stable.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an engineering machine tool landing leg, includes main resistance to compression base (1), vice resistance to compression base (2) and main hydraulic stem (7), vice resistance to compression base (2) are in the outer wall both sides of main resistance to compression base (1), main hydraulic stem (7) are in the bottom department of main resistance to compression base (1), its characterized in that: fixed connection piece (17) that is provided with is located at the top center of main resistance to compression base (1), the fixed two vice buffer blocks (4) that are provided with in outer wall top of main resistance to compression base (1), two the outer wall bottom of vice resistance to compression base (2) all articulates there are swivelling joint axle (10), and the outer wall transposition of swivelling joint axle (10) locates in the outer wall bottom of main resistance to compression base (1), the inner wall bottom slip cover of main hydraulic stem (7) is equipped with vice hydraulic stem (6), main resistance to compression base (1) is close to fixed connection piece (17) top fixed protection tube (14) that is provided with, and the outer wall center department cover of protection tube (14) is equipped with the protective sheath, the fixed slip flexible post (8) that is provided with in the back of main hydraulic stem (7), the outer wall of slip flexible post (8) inlays and is equipped.
2. A support leg for construction machinery as claimed in claim 1, wherein: two the outer wall top of vice resistance to compression base (2) all is fixed and is provided with main buffer block (3), and main buffer block (3) keep away from one side of vice resistance to compression base (2) and all laminate in the outer wall department of vice buffer block (4).
3. A support leg for construction machinery as claimed in claim 1, wherein: the bottom of main resistance to compression base (1) is fixed and is provided with a plurality of main stabilizing blocks (11), two the bottom of vice resistance to compression base (2) all is fixed and is provided with a plurality of vice stabilizing blocks (12).
4. A support leg for construction machinery as claimed in claim 1, wherein: two top one side that vice resistance to compression base (2) kept away from each other is fixed and is provided with protection tube (14), fixed block (16) have been seted up to the one end that vice resistance to compression base (2) were kept away from in protection tube (14).
5. A support leg for construction machinery as claimed in claim 1, wherein: two vice resistance to compression bases (2) keep away from top one side of protection tube (14) and fixedly are provided with buckle piece (15), buckle piece (15) match each other with fixed block (16).
6. A support leg for construction machinery as claimed in claim 1, wherein: the inner wall bottom sliding sleeve of protective sheath (5) is equipped with swivelling joint post (13), and the inner wall department of locating fixed connection piece (17) is inlayed to the outer wall bottom of swivelling joint post (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266866.9A CN112265921B (en) | 2020-11-13 | 2020-11-13 | Engineering machinery landing leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266866.9A CN112265921B (en) | 2020-11-13 | 2020-11-13 | Engineering machinery landing leg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112265921A true CN112265921A (en) | 2021-01-26 |
| CN112265921B CN112265921B (en) | 2024-05-10 |
Family
ID=74340468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266866.9A Active CN112265921B (en) | 2020-11-13 | 2020-11-13 | Engineering machinery landing leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112265921B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7924001A0 (en) * | 1978-07-06 | 1979-06-29 | Wibau Gmbh | SUPPORT DEVICE CONSISTING FROM TIME TO TIME OF A SUPPORT ARM AND A TUBULAR BASE CONNECTED TO IT AND HYDRAULICLY MOVEABLE IN LENGTH, PARTICULARLY COMBINED WITH CONSTRUCTION MACHINES, SUCH AS CONCRETE PUMPS OR SIMILAR, EQUIPPED WITH ARMS, FOR EXAMPLE WITH RODS OF DISTRIBUTION. |
| CN102963826A (en) * | 2012-12-12 | 2013-03-13 | 山东荣利中石油机械有限公司 | Trailer oil cylinder fixing device |
| CN103419761A (en) * | 2013-08-13 | 2013-12-04 | 三一汽车制造有限公司 | Landing leg and engineering machinery |
| WO2014079248A1 (en) * | 2012-11-26 | 2014-05-30 | 徐州徐工随车起重机有限公司 | Skid-proof support leg apparatus and mobile machinery |
| CN204801750U (en) * | 2015-08-07 | 2015-11-25 | 辽宁陆发机械装备制造有限公司 | Water platform frame's extension landing leg |
| CN105731269A (en) * | 2016-04-26 | 2016-07-06 | 韦东党 | Digging machine |
| CN111017752A (en) * | 2019-12-13 | 2020-04-17 | 佛山市运输有限公司 | Self-stabilizing device and method for hoisting transport vehicle |
| CN214003881U (en) * | 2020-11-13 | 2021-08-20 | 四川大学 | Engineering machinery supporting leg |
-
2020
- 2020-11-13 CN CN202011266866.9A patent/CN112265921B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7924001A0 (en) * | 1978-07-06 | 1979-06-29 | Wibau Gmbh | SUPPORT DEVICE CONSISTING FROM TIME TO TIME OF A SUPPORT ARM AND A TUBULAR BASE CONNECTED TO IT AND HYDRAULICLY MOVEABLE IN LENGTH, PARTICULARLY COMBINED WITH CONSTRUCTION MACHINES, SUCH AS CONCRETE PUMPS OR SIMILAR, EQUIPPED WITH ARMS, FOR EXAMPLE WITH RODS OF DISTRIBUTION. |
| WO2014079248A1 (en) * | 2012-11-26 | 2014-05-30 | 徐州徐工随车起重机有限公司 | Skid-proof support leg apparatus and mobile machinery |
| CN102963826A (en) * | 2012-12-12 | 2013-03-13 | 山东荣利中石油机械有限公司 | Trailer oil cylinder fixing device |
| CN103419761A (en) * | 2013-08-13 | 2013-12-04 | 三一汽车制造有限公司 | Landing leg and engineering machinery |
| CN204801750U (en) * | 2015-08-07 | 2015-11-25 | 辽宁陆发机械装备制造有限公司 | Water platform frame's extension landing leg |
| CN105731269A (en) * | 2016-04-26 | 2016-07-06 | 韦东党 | Digging machine |
| CN111017752A (en) * | 2019-12-13 | 2020-04-17 | 佛山市运输有限公司 | Self-stabilizing device and method for hoisting transport vehicle |
| CN214003881U (en) * | 2020-11-13 | 2021-08-20 | 四川大学 | Engineering machinery supporting leg |
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| Publication number | Publication date |
|---|---|
| CN112265921B (en) | 2024-05-10 |
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