Large-load and gravity-center-adjustable marine high-altitude vehicle
By setting a center of gravity adjustment mechanism at the tail of the boom assembly to adjust the center of gravity position of the boom assembly, the risk of rollover caused by load during the manufacturing and maintenance of large equipment is solved, and the safety and stability of the aerial vehicle are improved.
Patent Information
- Application Number
- CN202422757549.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-13
AI Technical Summary
During the manufacturing and maintenance of large equipment such as ships, the heavy load at the front end of the boom causes the center of gravity of the aerial vehicle to move forward, increasing the risk of rollover.
A center of gravity adjustment mechanism is provided at the tail of the boom assembly, and the center of gravity position of the boom assembly is adjusted through the first and second luffing cylinders and the connecting rod mechanism to reduce the risk of rollover after loading.
By adjusting the center of gravity of the boom assembly, the risk of the aerial vehicle rolling over under heavy load conditions is reduced, and the safety and stability of the operation are improved.
Smart Images
Figure CN223422337U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aerial work equipment, in particular to a marine aerial vehicle with a large load capacity and an adjustable center of gravity. Background Art
[0002] Large equipment such as ships and aircraft require flexible working heights and positions during manufacturing, installation, and maintenance, making aerial work platforms the natural equipment of choice for these applications. This is especially true in shipbuilding and repair facilities, where not only outstanding aerial reach capabilities are required, but also heavy tools and equipment, along with operators, must be carried to the work location. Due to the heavy load capacity of the boom's front bucket, the aerial work platform's center of gravity shifts forward, posing a risk of rollover when loaded. Therefore, there is an urgent need to design a marine aerial work platform with a large load capacity and an adjustable center of gravity, which can reduce the risk of rollover by adjusting the center of gravity after heavy loads. Utility Model Content
[0003] The purpose of the present utility model is to overcome the above-mentioned shortcomings and provide a marine aerial vehicle with a large load capacity and adjustable center of gravity. By arranging a center of gravity adjustment mechanism at the tail of the boom assembly, the center of gravity position of the boom assembly can be adjusted, and the center of gravity after loading can be moved backward, thereby reducing the risk of the aerial vehicle rolling over after a large load.
[0004] The purpose of this utility model is achieved in this way:
[0005] A large-load and center-of-gravity adjustable marine aerial vehicle comprises a chassis, a boom assembly and a work bar arranged at the head of the boom assembly, the chassis is connected to a mounting platform via a slewing reducer, the mounting platform is connected to the tail of the boom assembly via a center-of-gravity adjustment mechanism, the center-of-gravity adjustment mechanism comprises a first connecting rod, a first luffing cylinder, a second luffing cylinder and a second connecting rod, the bottom end of the first connecting rod is hinged to the mounting platform, and the top end is hinged to the boom assembly, one end of the first luffing cylinder is hinged to the first connecting rod, and the other end is hinged to the boom assembly, the bottom end of the second luffing cylinder is hinged to the mounting platform, and the top end is hinged to the boom assembly, and a boom tail support is also hinged at the top hinge point, the second connecting rod is located on the rear side of the second luffing cylinder, the bottom end of the second connecting rod is hinged to the mounting platform, and the top end is hinged to the boom tail support.
[0006] Preferably, the first luffing cylinder is hinged to the first connecting rod via a first luffing cylinder fixing seat, and the first luffing cylinder fixing seat is fixed to the middle portion of the first connecting rod.
[0007] Preferably, the telescopic rod of the first boom cylinder is hinged to the boom assembly through a boom boom seat, and the boom boom seat is fixedly arranged on the boom assembly.
[0008] Preferably, a leveling oil cylinder is hinged on the tail support of the boom, one end of the leveling oil cylinder is hinged on the tail support of the boom at the hinge point C, and the other end of the leveling oil cylinder is hinged on the connecting support of the first connecting rod.
[0009] Preferably, the second amplitude oil cylinder is hinged on the tail support of the boom at the hinge point A, the second connecting rod is hinged on the tail support of the boom at the hinge point B, and the hinge points A, B and C are in a triangular distribution.
[0010] Preferably, the top hinge point of the first connecting rod is located at the rear side of the top hinge point of the first amplitude oil cylinder and at the front side of the top hinge point of the second amplitude oil cylinder.
[0011] The utility model discloses the beneficial effects are:
[0012] By setting the gravity center adjusting mechanism at the tail of the boom assembly, the first amplitude oil cylinder is adjusted, the first amplitude oil cylinder is lifted under the action of the first connecting rod, the working bar of the boom assembly and its head, and the working bar has large load, the second amplitude oil cylinder, the tail support of the boom and the second connecting rod constitute a connecting rod mechanism, and the connecting rod mechanism is adjusted, thereby the gravity center position of the boom assembly is adjusted, the gravity center of the load is moved backward, the side turning of the aerial work truck is prevented, the leveling oil cylinder is adjusted, the gravity center adjusting process is assisted, and the accuracy of the gravity center adjusting is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model discloses a kind of big load and gravity center adjustable marine aerial work truck.
[0014] Figure 2 It is the local enlarged view of gravity center adjusting mechanism.
[0015] Wherein: chassis 1;Boom assembly 2;Working bar 3;Rotary reducer 4;Mounting platform 5;First connecting rod 6;First amplitude oil cylinder 7;Second amplitude oil cylinder 8;Second connecting rod 9;First amplitude oil cylinder fixed seat 10;Boom amplitude seat 11;Second amplitude oil cylinder fixed seat 12;Tail support of boom 13;Leveling oil cylinder 14;Connecting rod support 15. DETAILED DESCRIPTION
[0016] Reference Figure 1 And Figure 2The utility model relates to a large-load marine aerial vehicle with adjustable center of gravity, comprising a chassis 1, a boom assembly 2 and a work rail 3. The chassis 1 is connected to a mounting platform 5 via a slewing reducer 4. The mounting platform 5 is connected to the tail of the boom assembly 2 via a center of gravity adjustment mechanism. The head of the boom assembly 2 is connected to the work rail 3. The center of gravity adjustment mechanism comprises a first connecting rod 6, a first luffing cylinder 7, a second luffing cylinder 8 and a second connecting rod 9. The bottom end of the first connecting rod 6 is hinged to the mounting platform 5, and the top end is hinged to the boom assembly 2. The first luffing cylinder 7 is connected to the first connecting rod 6 via a first luffing cylinder fixing seat 10. The first luffing cylinder fixing seat 10 is fixed to the first connecting rod 6. It is fixed at the middle of the first connecting rod 6, the cylinder barrel of the first luffing cylinder 7 is hinged to the first luffing cylinder fixing seat 10 through a pin shaft, and the telescopic rod of the first luffing cylinder 7 is hinged to the boom assembly 2 through the boom luffing seat 11, and the boom luffing seat 11 is fixedly set on the boom assembly 2. The bottom end of the second luffing cylinder 8 is fixed to the mounting platform 5 through the second luffing cylinder fixing seat 12, and the top end is hinged to the boom assembly 2, and the hinge point is A. The boom tail support 13 is also hinged at the hinge point A. The second connecting rod 9 is located on the rear side of the second luffing cylinder 8, and the bottom end of the second connecting rod 9 is hinged to the mounting platform 5, and the top end is hinged to the boom tail support 13, and the hinge point is B.
[0017] A leveling cylinder 14 is also hinged on the boom tail support 13, one end of the leveling cylinder 14 is hinged to the boom tail support 13 at a hinge point C, and the other end of the leveling cylinder 14 is hinged to a connecting rod support 15, and the connecting support 15 is hinged to the top hinge point of the first connecting rod.
[0018] The hinge point A, hinge point B and hinge point C are distributed in a triangle.
[0019] The second luffing cylinder 8 acts as an adjustable connecting rod, and the center of gravity position of the boom assembly 2 is adjusted by extending and retracting the second luffing cylinder 8 .
[0020] The boom assembly 2 includes a multi-section telescopic arm that is sequentially mounted from the outside to the inside. The boom luffing seat 11, the boom tail support 13 and the connecting rod support 15 are all arranged on the outer arm of the boom assembly.
[0021] The top hinge point of the first connecting rod 6 is located at the rear side of the top hinge point of the first luffing cylinder 7 , and is located at the front side of the top hinge point of the second luffing cylinder 8 .
[0022] Adjust the first luffing cylinder 7. Under the action of the first connecting rod 6, the first luffing cylinder 7 raises the boom assembly 2 and the working bar 3 at its head. Since the working bar 3 has a large load capacity, the second luffing cylinder 8 is adjusted, and the connecting rod mechanism composed of the second luffing cylinder 8, the boom tail support 13 and the second connecting rod 9 is actuated to adjust the center of gravity position of the boom assembly 2. At the same time, the leveling cylinder 14 is adjusted to assist leveling in the center of gravity adjustment process.
[0023] In addition to the above embodiments, the utility model also includes other implementation manners, and the technical scheme formed by using equivalent transformation or equivalent replacement should fall within the protection scope of the utility model claims.
Claims
1. A large-load and center-of-gravity adjustable marine aerial vehicle, comprising a chassis, a boom assembly, and a work bar disposed at the head of the boom assembly, characterized in that: The chassis is connected to the mounting platform through a slewing reducer, and the mounting platform is connected to the tail of the boom assembly through a center of gravity adjusting mechanism. The center of gravity adjusting mechanism includes a first connecting rod, a first luffing cylinder, a second luffing cylinder and a second connecting rod. The bottom end of the first connecting rod is hinged on the mounting platform, and the top end is hinged on the boom assembly. One end of the first luffing cylinder is hinged to the first connecting rod, and the other end is hinged to the boom assembly. The bottom end of the second luffing cylinder is hinged to the mounting platform, and the top end is hinged to the boom assembly. A boom tail support is also hinged at the top hinge point. The second connecting rod is located on the rear side of the second luffing cylinder. The bottom end of the second connecting rod is hinged to the mounting platform, and the top end is hinged to the boom tail support.
2. A heavy-load and center-of-gravity-adjustable aerial vehicle for ships according to claim 1, characterized in that: The first luffing cylinder is hinged to the first connecting rod via a first luffing cylinder fixing seat, and the first luffing cylinder fixing seat is fixed to the middle portion of the first connecting rod.
3. The heavy-load and center-of-gravity-adjustable aerial vehicle for ships according to claim 1, characterized in that: The telescopic rod of the first boom cylinder is hinged to the boom assembly through a boom boom seat, and the boom boom seat is fixedly arranged on the boom assembly.
4. The heavy-load and center-of-gravity-adjustable aerial vehicle for ships according to claim 1, characterized in that: A leveling cylinder is also hinged on the boom tail support, one end of the leveling cylinder is hinged to the boom tail support at a hinge point C, the other end of the leveling cylinder is hinged to a connecting rod support, and the connecting support is hinged to the top hinge point of the first connecting rod.
5. The heavy-load and center-of-gravity-adjustable aerial vehicle for ships according to claim 4, characterized in that: The second luffing cylinder is hinged to the boom tail support at a hinge point A, the second connecting rod is hinged to the boom tail support at a hinge point B, and the hinge point A, hinge point B and hinge point C are distributed in a triangle.
6. The heavy-load and center-of-gravity-adjustable aerial vehicle for ships according to claim 1, characterized in that: The top hinge point of the first connecting rod is located at the rear side of the top hinge point of the first luffing oil cylinder and at the front side of the top hinge point of the second luffing oil cylinder.