CN113911934A - Anti-rollover crane with high terrain adaptability - Google Patents
Anti-rollover crane with high terrain adaptability Download PDFInfo
- Publication number
- CN113911934A CN113911934A CN202111093810.2A CN202111093810A CN113911934A CN 113911934 A CN113911934 A CN 113911934A CN 202111093810 A CN202111093810 A CN 202111093810A CN 113911934 A CN113911934 A CN 113911934A
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- Prior art keywords
- supporting leg
- fixed
- crane
- rollover
- lifting
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- 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.)
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- 230000002265 prevention Effects 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a high-terrain adaptability rollover-prevention crane which comprises a crane body and a suspension arm, wherein the suspension arm is rotatably arranged on the crane body through a base, one side of the suspension arm is fixedly connected with a balancing weight, two auxiliary supporting legs for preventing the suspension arm from rollover are symmetrically arranged on two sides of the bottom of the crane body, a plurality of buffer assemblies are arranged between the auxiliary supporting legs and the bottom of the crane body, and lifting supporting legs capable of adjusting supporting heights are arranged on the auxiliary supporting legs. The four auxiliary supporting legs are arranged and fixed on the ground, so that the contact area of the vehicle body and the ground is increased, the device is prevented from being inclined and turned over due to the fact that the gravity center is unstable when the device is subjected to external force and heavy objects are lifted, the lifting supporting legs are arranged on the auxiliary supporting legs, the lifting supporting legs can adjust the height during supporting, the lorry-mounted crane can be stopped on roadbeds with different heights, and the auxiliary supporting legs are convenient to unfold and retract by arranging the rotating air cylinder, the rotating motor and the moving air cylinder.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a rollover-prevention crane with high terrain adaptability.
Background
A crane is a machine that lifts or moves a heavy object by means of a lifting hook or other load handling device. Along with the position change of the heavy object, the gravity center of the crane is also constantly shifted, and when the gravity center of the crane moves to a more offset position, the danger of rollover can occur, and a major accident is caused. Particularly, the lorry-mounted crane may have a rollover phenomenon due to illegal operation or a difference in a working site roadbed during hoisting.
Disclosure of Invention
The invention aims to provide a rollover-prevention crane with high terrain adaptability, which solves the following technical problems: (1) when the lorry-mounted crane is lifted, the gravity center shifts to cause side turning; (2) when the foundation difference exists in the working place, the phenomenon of side turning is generated.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a high terrain adaptability's hoist that prevents turning on one's side, includes automobile body and davit, the davit passes through the base and rotates to be installed on the automobile body, davit one side fixedly connected with balancing weight, bottom of the vehicle body bilateral symmetry is provided with two auxiliary supporting legs that are used for preventing the davit from turning on one's side, be provided with a plurality of buffer assembly between auxiliary supporting leg and the bottom of the vehicle body, the last lift landing leg that is provided with adjustable support height of auxiliary supporting leg.
As a further scheme of the invention, the auxiliary supporting leg comprises a fixed seat, a telescopic rod is arranged in the fixed seat, one end of the telescopic rod, far away from the fixed seat, is rotatably provided with one end of a fixed supporting leg, the other end of the fixed supporting leg is rotatably arranged at the end part of a rotating supporting leg, a rotating cylinder is fixedly arranged on the fixed supporting leg, a piston rod of the rotating cylinder is rotatably arranged on a fixed shaft, the fixed shaft is fixedly arranged on the rotating supporting leg, and the lifting supporting leg is fixedly arranged at the bottom of the rotating supporting leg.
As a further scheme of the invention, the telescopic rod is slidably mounted in a fixed seat, a movable air cylinder is fixedly mounted in the fixed seat, and a piston rod of the movable air cylinder is fixedly connected with the end part of the telescopic rod.
As a further scheme of the invention, the buffer assembly comprises an upper sleeve, the upper sleeve is slidably mounted at one end of the connecting rod, a lower sleeve is slidably mounted at the other end of the connecting rod, a first buffer spring is arranged between the upper sleeve and the lower sleeve, the upper sleeve is fixedly mounted at the bottom of the vehicle body, and the lower sleeve is fixedly mounted on the fixed seat.
As a further scheme of the present invention, the first buffer spring is sleeved on the connecting rod and is respectively in abutting fit with the upper sleeve and the lower sleeve.
As a further scheme of the invention, a sliding seat is slidably mounted in the lifting support leg, one end of the sliding seat is in threaded connection with the lifting screw rod, the other end of the sliding seat is slidably mounted on a sliding rod, a fixed rod is fixedly mounted at the bottom of the sliding seat, the fixed rod is slidably mounted on a fixed sleeve, a second buffer spring is sleeved on the fixed rod, the second buffer spring is in butt fit with the fixed sleeve, and a fixed foot seat is fixedly mounted at the bottom of the fixed sleeve.
As a further scheme of the invention, the lifting screw rod is rotatably arranged in the lifting support leg, and the sliding rod is fixedly arranged on the lifting support leg.
As a further scheme of the invention, a driving motor is arranged on one side of the lifting support leg, a driving bevel gear is sleeved on an output shaft of the driving motor, the driving bevel gear is meshed with a driven bevel gear, and the driven bevel gear is sleeved on the end part of the lifting screw rod.
The invention has the beneficial effects that:
the invention relates to a high terrain adaptability rollover prevention crane, which is characterized in that four auxiliary supporting legs are arranged and fixed on the ground, so that the contact area between a vehicle body and the ground is increased, the device is prevented from inclining and rollover due to unstable gravity center when being subjected to external force and lifting heavy objects, the stability of the device is improved, the lifting supporting legs are arranged on the auxiliary supporting legs, the lifting supporting legs can adjust the height during supporting, so that the lorry-mounted crane can be stopped on roadbeds with different heights, the second buffer springs are arranged on the lifting supporting legs, so that the height difference between the vehicle body and the ground during supporting of the fixed foot seats can be finely adjusted by matching the second buffer springs with the fixed sleeve when the fixed foot seats are supported, a certain buffering effect is achieved, and the expansion and retraction of the auxiliary supporting legs are facilitated by arranging the rotating cylinder, the rotating motor and the moving cylinder, through setting up buffering subassembly for the hoist obtains the buffering when mentioning the heavy object, has further improved the stability of device.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an anti-rollover crane with high terrain adaptability according to the present invention;
FIG. 2 is a schematic structural view of the auxiliary support leg of the present invention;
FIG. 3 is a schematic view of the interior of the fixing base of the present invention;
FIG. 4 is a schematic view of the construction of the cushioning assembly of the present invention;
FIG. 5 is a schematic structural view of the lift leg of the present invention;
fig. 6 is a schematic view of the connection of the driving motor of the present invention.
In the figure: 1. a vehicle body; 2. a suspension arm; 3. a balancing weight; 4. fixing the supporting legs; 5. rotating the cylinder; 6. rotating the support legs; 7. a fixed shaft; 8. a buffer assembly; 801. an upper sleeve; 802. a connecting rod; 803. a first buffer spring; 804. a lower sleeve; 9. lifting support legs; 10. a fixed seat; 11. a telescopic rod; 12. a moving cylinder; 13. lifting a screw rod; 14. a slide bar; 15. a sliding seat; 16. fixing the rod; 17. fixing the sleeve; 18. a second buffer spring; 19. a fixed foot seat; 20. a drive motor; 21. a drive bevel gear; 22. a driven bevel gear; 23. and (5) auxiliary supporting legs.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the invention relates to a high terrain adaptability rollover prevention crane, which comprises a crane body 1 and a suspension arm 2, wherein the suspension arm 2 is rotatably installed on the crane body 1 through a base, a balancing weight 3 is fixedly connected to one side of the suspension arm 2, two auxiliary supporting legs 23 for preventing the suspension arm 2 from rollover are symmetrically arranged on two sides of the bottom of the crane body 1, and the total number of the auxiliary supporting legs 23 is four, the four auxiliary supporting legs 23 are fixed on the ground, so that the contact area between the crane body 1 and the ground is increased, the device is prevented from inclining and rollover due to unstable gravity center when being subjected to external force and lifting heavy objects, the stability of the device is improved, a plurality of buffer assemblies 8 are arranged between the auxiliary supporting legs 23 and the bottom of the crane body 1, and lifting supporting legs 9 capable of adjusting the supporting height are arranged on the auxiliary supporting legs 23.
Specifically, auxiliary supporting leg 23 includes fixing base 10, be provided with telescopic link 11 in the fixing base 10, telescopic link 11 is kept away from fixing base 10 one end and is rotated and install 4 one ends of fixed leg, fixed leg 4 rotates through the axis of rotation and installs in 11 tip of telescopic link, axis of rotation 11 connects the rotation motor, the drive rotates the motor, make fixed leg 4 can rotate on the telescopic link, the 4 other ends of fixed leg rotate and install in 6 tip of rotation leg, fixed leg 4 goes up fixed mounting has rotation cylinder 5, rotation cylinder 5 piston rod rotates and installs on fixed axle 7, 7 fixed axle fixed mounting on rotation leg 6, 9 fixed mounting in the 6 bottoms of rotation leg of lift leg, through setting up rotation cylinder 5, rotate motor and moving cylinder 12, make things convenient for expansion and withdrawal of auxiliary supporting leg 23.
11 slidable mounting of telescopic link is in fixing base 10, and fixed mounting has removal cylinder 12 in the fixing base 10, and removal cylinder 12 piston rod fixed connection telescopic link 11 tip.
Buffering subassembly 8 includes upper sleeve 801, and upper sleeve 801 slidable mounting has lower sleeve 804 in connecting rod 802 one end, and connecting rod 802 other end slidable mounting has lower sleeve 804, is provided with first buffer spring 803 between upper sleeve 801 and the lower sleeve 804, and upper sleeve 801 fixed mounting is in automobile body 1 bottom, and lower sleeve 804 fixed mounting is on fixing base 10, through setting up buffering subassembly 8 for the hoist obtains the buffering when mentioning the heavy object, has further improved the device's stability.
The first buffer spring 803 is sleeved on the connecting rod 802, and is respectively abutted and matched with the upper sleeve 801 and the lower sleeve 804.
Sliding mounting has sliding seat 15 in the lift landing leg 9, 15 one end threaded connection of sliding seat is on lift lead screw 13, 15 other end slidable mounting of sliding seat is on slide bar 14, 15 bottom fixed mounting of sliding seat has dead lever 16, 16 slidable mounting of dead lever is on fixed sleeve 17, the cover is equipped with second buffer spring 18 on the dead lever 16, the difference in height between automobile body 1 and the ground when second buffer spring 18 cooperation fixed sleeve 17 can finely tune fixed foot seat 19 and support, certain buffering effect has, second buffer spring 18 and the cooperation of fixed sleeve 17 butt, fixed sleeve 17 bottom fixed mounting has fixed foot seat 19, height when lift landing leg 9 is used for adjusting the support, make the lorry-mounted crane can stop on the subaerial at different height and slope.
The lifting screw 13 is rotatably mounted in the lifting leg 9, and the sliding rod 14 is fixedly mounted on the lifting leg 9.
A driving motor 20 is arranged on one side of the lifting support leg 9, a driving bevel gear 21 is sleeved on an output shaft of the driving motor 20, the driving bevel gear 21 is meshed with a driven bevel gear 22, and the driven bevel gear 22 is sleeved on the end portion of the lifting screw 13.
Referring to fig. 1 to 6, the operation of the anti-rollover crane with high terrain adaptability of the present embodiment is as follows:
the method comprises the following steps: when the crane moves to a designated place, the moving cylinder 12 is started, the piston rod of the moving cylinder 12 drives the telescopic rod 11 to slide in the fixed seat 10, so that the fixed supporting leg 4 at the end part of the telescopic rod 11 is driven to move outwards, the rotating motor and the rotating cylinder 5 are started, the output shaft of the rotating motor drives the fixed supporting leg 4 to rotate on the telescopic rod 11, the piston rod of the rotating cylinder 5 drives the rotating supporting leg 6 to rotate through the fixed shaft 7, the supporting angle of the rotating supporting leg 6 is adjusted, and the lifting supporting leg 9 at the bottom of the rotating supporting leg 6 is driven to contact the ground;
step two: the driving motor 20 is started, the output shaft of the driving motor 20 drives the driving bevel gear 21 to rotate, the driving bevel gear 21 is meshed with the driven bevel gear 22 to drive the lifting screw 13 to rotate, the lifting screw 13 rotates to drive the sliding seat 15 to slide on the sliding rod 14 in the lifting supporting leg 9, and then the fixed foot seat 19 at the bottom of the sliding seat 15 is driven to move, so that the supporting height of the fixed foot seat 19 in the lifting supporting leg 9 is adjusted.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a high terrain adaptability's hoist that prevents turning on one's side, a serial communication port, including automobile body (1) and davit (2), davit (2) rotate through the base and install on automobile body (1), davit (2) one side fixedly connected with balancing weight (3), automobile body (1) bottom bilateral symmetry is provided with two auxiliary supporting leg (23) that are used for preventing davit (2) to turn on one's side, be provided with a plurality of buffer assembly (8) between auxiliary supporting leg (23) and automobile body (1) bottom, be provided with adjustable support height's lift landing leg (9) on auxiliary supporting leg (23).
2. The crane with the high terrain adaptability and the rollover preventing function as claimed in claim 1, wherein the auxiliary supporting leg (23) comprises a fixing seat (10), a telescopic rod (11) is arranged in the fixing seat (10), one end, far away from the fixing seat (10), of the telescopic rod (11) is rotatably installed at one end of a fixed supporting leg (4), the other end of the fixed supporting leg (4) is rotatably installed at the end part of a rotating supporting leg (6), a rotating cylinder (5) is fixedly installed on the fixed supporting leg (4), a piston rod of the rotating cylinder (5) is rotatably installed on a fixed shaft (7), the fixed shaft (7) is fixedly installed on the rotating supporting leg (6), and the lifting supporting leg (9) is fixedly installed at the bottom of the rotating supporting leg (6).
3. The high terrain adaptability rollover-prevention crane according to claim 2, characterized in that the telescopic rod (11) is slidably mounted in a fixed seat (10), a moving cylinder (12) is fixedly mounted in the fixed seat (10), and a piston rod of the moving cylinder (12) is fixedly connected with the end of the telescopic rod (11).
4. The high terrain adaptability rollover prevention crane according to claim 2, characterized in that the buffer assembly (8) comprises an upper sleeve (801), the upper sleeve (801) is slidably mounted at one end of a connecting rod (802), the other end of the connecting rod (802) is slidably mounted with a lower sleeve (804), a first buffer spring (803) is arranged between the upper sleeve (801) and the lower sleeve (804), the upper sleeve (801) is fixedly mounted at the bottom of the vehicle body (1), and the lower sleeve (804) is fixedly mounted on the fixed base (10).
5. The high terrain adaptability rollover prevention crane according to claim 4, wherein the first buffer spring (803) is sleeved on the connecting rod (802) and is respectively in abutting fit with the upper sleeve (801) and the lower sleeve (804).
6. The high terrain adaptability rollover prevention crane as recited in claim 1, wherein a sliding seat (15) is slidably mounted in the lifting leg (9), one end of the sliding seat (15) is connected to the lifting screw (13) in a threaded manner, the other end of the sliding seat (15) is slidably mounted on the sliding rod (14), a fixing rod (16) is fixedly mounted at the bottom of the sliding seat (15), the fixing rod (16) is slidably mounted on a fixing sleeve (17), a second buffer spring (18) is sleeved on the fixing rod (16), the second buffer spring (18) is in butt fit with the fixing sleeve (17), and a fixing foot seat (19) is fixedly mounted at the bottom of the fixing sleeve (17).
7. The high terrain adaptability rollover-resistant crane according to claim 6, characterized in that the lifting screw (13) is rotatably mounted in the lifting leg (9), and the sliding rod (14) is fixedly mounted on the lifting leg (9).
8. The anti-rollover crane with high terrain adaptability according to claim 6, characterized in that a driving motor (20) is arranged on one side of the lifting leg (9), an output shaft of the driving motor (20) is sleeved with a driving bevel gear (21), the driving bevel gear (21) is meshed with a driven bevel gear (22), and the driven bevel gear (22) is sleeved on the end of the lifting screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093810.2A CN113911934B (en) | 2021-09-17 | 2021-09-17 | High topography adaptability's anti-rollover crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093810.2A CN113911934B (en) | 2021-09-17 | 2021-09-17 | High topography adaptability's anti-rollover crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113911934A true CN113911934A (en) | 2022-01-11 |
| CN113911934B CN113911934B (en) | 2024-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111093810.2A Active CN113911934B (en) | 2021-09-17 | 2021-09-17 | High topography adaptability's anti-rollover crane |
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| Country | Link |
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| CN (1) | CN113911934B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116062632A (en) * | 2023-03-16 | 2023-05-05 | 湖南维尔力德科技有限公司 | Crane rollover prevention support |
| CN116946900A (en) * | 2023-09-20 | 2023-10-27 | 河南科技学院 | Anti-rollover device of permanent magnet direct-drive crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006021914A (en) * | 2004-07-09 | 2006-01-26 | Furukawa Co Ltd | Outrigger device |
| CN203496867U (en) * | 2013-10-18 | 2014-03-26 | 中联重科股份有限公司 | Landing leg structure and engineering machinery |
| CN204297987U (en) * | 2014-12-12 | 2015-04-29 | 中联重科股份有限公司 | Engineering machine and supporting leg device thereof |
| CN110194130A (en) * | 2019-06-14 | 2019-09-03 | 沛县迅驰专用车辆制造有限公司 | It is a kind of to go up and down the high semitrailer lifting landing leg of steady transmission efficiency |
| CN110980552A (en) * | 2019-11-14 | 2020-04-10 | 安徽兴邦专用汽车股份有限公司 | Crane with safety and stability auxiliary supporting device |
| CN214028573U (en) * | 2020-11-09 | 2021-08-24 | 十堰强潮零部件有限公司 | Automobile support leg beam assembly |
-
2021
- 2021-09-17 CN CN202111093810.2A patent/CN113911934B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006021914A (en) * | 2004-07-09 | 2006-01-26 | Furukawa Co Ltd | Outrigger device |
| CN203496867U (en) * | 2013-10-18 | 2014-03-26 | 中联重科股份有限公司 | Landing leg structure and engineering machinery |
| CN204297987U (en) * | 2014-12-12 | 2015-04-29 | 中联重科股份有限公司 | Engineering machine and supporting leg device thereof |
| CN110194130A (en) * | 2019-06-14 | 2019-09-03 | 沛县迅驰专用车辆制造有限公司 | It is a kind of to go up and down the high semitrailer lifting landing leg of steady transmission efficiency |
| CN110980552A (en) * | 2019-11-14 | 2020-04-10 | 安徽兴邦专用汽车股份有限公司 | Crane with safety and stability auxiliary supporting device |
| CN214028573U (en) * | 2020-11-09 | 2021-08-24 | 十堰强潮零部件有限公司 | Automobile support leg beam assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116062632A (en) * | 2023-03-16 | 2023-05-05 | 湖南维尔力德科技有限公司 | Crane rollover prevention support |
| CN116946900A (en) * | 2023-09-20 | 2023-10-27 | 河南科技学院 | Anti-rollover device of permanent magnet direct-drive crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113911934B (en) | 2024-09-10 |
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