CN-120486511-B - Liftable high foot excavator under shallow water environment

CN120486511BCN 120486511 BCN120486511 BCN 120486511BCN-120486511-B

Abstract

The invention discloses a high-foot excavator capable of ascending and descending in a shallow water environment, and belongs to the technical field of excavators. A lifting high-foot excavator capable of lifting in a shallow water environment comprises an excavator main body, wherein the excavator main body comprises a lower car body and an upper car body, a telescopic pipe assembly is arranged between the lower car body and the upper car body, a base is arranged at the lower car body, an inner cavity is formed in the base, a lifting assembly used for driving the upper car body to lift is arranged in the inner cavity, a protection assembly used for floating on the water surface is arranged at the base, balance assemblies are hinged between four corners of the protection assembly and the corresponding positions of the telescopic pipe assembly, and the balance assemblies are used for supporting the telescopic pipe assembly. Compared with the prior art, when the operation of the wading area is reduced, the gravity center of the excavator is higher due to the improvement of the whole height of the equipment, the risk of capsizing caused by water flow impact or ground collapse is easily caused, and the flexibility and the safety are both considered.

Inventors

SHEN YOUBIN
ZENG JIE
QIU WENWU
LIU ZHANXIONG
HE XINWEI
LIN YING
BAI YUMING
ZHANG SHUI
SUN ZHIPENG
LI HONGCHENG
Ding Shuhuang

Assignees

中交广州航道局有限公司
中交广航疏浚有限公司
中交广州水运工程设计研究院有限公司

Dates

Publication Date: 20260505
Application Date: 20250620

Claims (6)

1. The high-foot excavator capable of ascending and descending in the shallow water environment is characterized by comprising an excavator main body (100), wherein the excavator main body (100) comprises a lower car body (110) and an upper car body (130), a telescopic pipe assembly (120) is arranged between the lower car body (110) and the upper car body (130), a base (140) is arranged at the lower car body (110), an inner cavity (210) is arranged at the base (140), and an ascending and descending assembly (220) for driving the upper car body (130) to ascend and descend is arranged in the inner cavity (210); the base (140) is provided with a protection component (150) which floats on the water surface, balance components (160) are hinged between four corners of the protection component (150) and the corresponding parts of the telescopic pipe components (120), and the balance components (160) are used for supporting the telescopic pipe components (120); The top wall of the base (140) is provided with a mounting groove (310) arranged along the periphery of the inner cavity (210), the protection component (150) comprises a floating plate (320) covered at the mounting groove (310), an air bag (321) is arranged at the bottom wall of the floating plate (320), a first waterproof cloth (330) is arranged between the bottom wall of the air bag (321) and the bottom wall of the mounting groove (310), and the length of the first waterproof cloth (330) is longer than the rising height of the upper vehicle body (130); The telescopic pipe assembly (120) comprises a fixed pipe (710) arranged at the lower car body (110), the fixed pipe (710) is telescopically provided with a sliding pipe (720), the balance assembly (160) comprises a loop bar (410) with one end hinged to the outer wall of the sliding pipe (720), one end of the loop bar (410) is slidably provided with a sliding bar (420), the sliding bar (420) is hinged to the top wall of the floating plate (320), through grooves (430) are formed in the side walls of two sides of the loop bar (410), and a locking assembly is arranged at the loop bar (410) and used for limiting the sliding bar (420); The locking component comprises a hinge seat (450) arranged at two side walls of the loop bar (410) and a sliding piece (470) slidably arranged at the top wall of the loop bar (410), wherein the hinge seat (450) is rotatably provided with a rotating shaft (460) along the thickness direction of the loop bar (410), the corresponding parts of the sliding bar (420) and the through groove (430) are respectively provided with a ratchet section (440), the rotating shaft (460) is provided with a pawl (461) matched with the ratchet sections (440), one end of the rotating shaft (460) penetrating through the hinge seat (450) is provided with an extension piece (462), the extension piece (462) is perpendicular to the pawl (461), the corresponding sides of the sliding piece (470) and the extension piece (462) are provided with inward concave rotating grooves (471), the extension piece (462) is rotatably arranged in the rotating grooves (471), and the loop bar (410) is provided with an air cylinder (490), and the air cylinder (490) is used for driving the sliding piece (470) to move along the length direction of the loop bar (410) so as to realize unlocking or locking of the driving locking component.
2. The high-foot excavator capable of ascending and descending in a shallow water environment according to claim 1, wherein an inclined surface (340) which is obliquely arranged downwards is formed on the outer wall of the base (140), and a plurality of water seepage holes are formed at the bottom wall of the mounting groove (310).
3. The lifting high-foot excavator in the shallow water environment according to claim 1, wherein a round hole is formed in the sliding part (470), a connecting part (480) is slidably arranged in the round hole, the connecting part (480) is provided with a mounting block (510) arranged at the telescopic end of the air cylinder (490), a fixing rod (520) in sliding fit with the round hole is arranged at the mounting block (510), and a stop block (530) is arranged at one end of the fixing rod (520) penetrating through the round hole.
4. The high-foot excavator capable of ascending and descending in the shallow water environment according to claim 3, wherein the installation block (510) is provided with an ejector rod (540), one side of the sliding piece (470) corresponding to the installation block (510) is provided with a positioning groove (560) for the ejector rod (540) to be inserted, the fixing rod (520) is sleeved with a spring (550), the spring (550) is arranged between the installation block (510) and the sliding piece (470), and the length of the positioning groove (560) is longer than that of the ejector rod (540).
5. The high-foot excavator capable of ascending and descending in a shallow water environment according to claim 1, wherein a top plate (610) is arranged at the outer wall of the sliding pipe (720), and a second waterproof cloth (620) is arranged between the top plate (610) and the floating plate (320).
6. The high-foot excavator capable of lifting in the shallow water environment according to claim 5, wherein the lifting assembly (220) is arranged between the inner cavity (210) and the top plate (610), the lifting assembly (220) comprises two hydraulic cylinders (730) arranged in the inner cavity (210), the two hydraulic cylinders (730) are symmetrically arranged along the fixed pipe (710), the hydraulic cylinders (730) are provided with fixed ends and movable ends, the movable ends are arranged on one side close to the fixed pipe (710), a scissor support (740) is arranged at the inner cavity (210), the movable ends are arranged at the telescopic ends of the scissor support (740), and the scissor support (740) is used for driving the top plate (610) to lift.

Description

Liftable high foot excavator under shallow water environment Technical Field The invention relates to the technical field of excavators, in particular to a high-foot excavator capable of ascending and descending in a shallow water environment. Background The existing engineering machinery has very wide application fields, in particular to a crawler excavator, and the existing market excavator is operated on land or operated in water with the water depth not exceeding a platform. In the operation of the wading area, a heightening bobbin is usually additionally arranged between the lower body and the upper body of the excavator, and the upper body can be operated in the wading area after being heightened, but the gravity center of the excavator is higher due to the improvement of the whole height of equipment, so that the risk of capsizing due to water flow impact or ground collapse is easy to occur. Disclosure of Invention The invention provides a high-foot excavator capable of ascending and descending in a shallow water environment, which can overcome certain or certain defects in the prior art. The invention relates to a high-foot excavator capable of lifting in a shallow water environment, which comprises an excavator main body, wherein the excavator main body comprises a lower car body and an upper car body, a telescopic pipe assembly is arranged between the lower car body and the upper car body, a base is arranged at the lower car body, an inner cavity is arranged at the base, and a lifting assembly for driving the upper car body to lift is arranged in the inner cavity; The base department is equipped with the protection component that is used for floating in the surface of water, and protection component four corners department all articulates between the corresponding department of flexible pipe assembly has balance component, and balance component is used for forming the support to flexible pipe assembly. The utility model discloses a liftable high foot excavator under shallow water environment, when needing to use in the regional operation of wading, operating personnel makes the last automobile body that is in sliding tube department rise to required height through controlling lifting unit work, thereby drive second waterproof cloth and protection component and rise when sliding tube rises, thereby the protection component department's of rising makes first waterproof cloth form the protection to the lower automobile body after rising between the last automobile body, has avoided when the operation of wading, water or debris get into in the base influence equipment normal operating. After the excavator fully enters the wading area, the excavator is in a state shown in fig. 6, when the water level is beyond the base, due to the arrangement of the first waterproof cloth, the second waterproof cloth and the air bag, the air bag floats on the water surface under the action of water buoyancy, at the moment, the air bag provides upward buoyancy for the balance component, so that the balance component supports the sliding pipe, and compared with the prior art, when the operation of the wading area is reduced, the gravity center of the excavator is higher due to the improvement of the whole height of the equipment, the risk of overturning caused by water flow impact or ground collapse is easily considered, and the flexibility and the safety are both considered. Preferably, the base roof department is formed with the mounting groove that sets up along the inner chamber periphery, and the protection component is including covering in the floating plate of mounting groove department, and floating plate bottom wall department is equipped with the gasbag, is equipped with first waterproof cloth between gasbag diapire and the mounting groove diapire, and first waterproof cloth is folding the setting in the mounting groove, and wherein, first waterproof cloth length is longer than the height that the upper vehicle body risees. Through the structure, when wading operation is not needed, the first waterproof cloth can be stored in the mounting groove, when wading operation is needed, the air bag can drive the first waterproof cloth to be released when contacting with the water surface, water is prevented from flowing into the inner cavity, and the service life of equipment is prolonged. Preferably, the outer wall of the base is provided with an inclined plane which is inclined downwards, and a plurality of water seepage holes are formed at the bottom wall of the mounting groove. Through the structure, when water enters the mounting groove, the water can be discharged in time, and accumulated water is avoided. Preferably, the telescopic pipe assembly comprises a fixed pipe arranged at the lower car body, the fixed pipe is telescopically provided with a sliding pipe, the balance assembly comprises a loop bar with one end hinged to the outer wall of the sliding pipe, one end of the loop bar is slidably provided with a