Wharf loading and unloading arm
By designing a liftable and swingable internal pipe and liquid storage box on the dock loading and unloading arm, the problem of fluid dripping pollution was solved, and efficient fluid collection and environmental protection were achieved.
Patent Information
- Application Number
- CN202422724559.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-08
AI Technical Summary
After completing their transport tasks, traditional dock loading and unloading arms often cause fluid to drip onto the ground, resulting in environmental pollution and safety hazards. Existing improvement solutions are either structurally complex or have poor collection effects.
Design a dock loading and unloading arm comprising a cantilever, an outer drop pipe, and an inner drop pipe. The inner drop pipe is vertically movable and equipped with a lifting and swinging mechanism. Combined with a liquid storage box, it collects dripping fluid and achieves effective fluid storage through a telescopic and swinging power mechanism.
It effectively prevents fluid dripping, reduces environmental pollution, has a simple structure, meets the needs of different loading and unloading operations, and reduces maintenance costs.
Smart Images
Figure CN223522291U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fluid loading and unloading equipment technical field, concretely is a wharf loading and unloading arm. BACKGROUND
[0002] In the logistics hub such as port and wharf, loading and unloading arm as the key loading and unloading equipment, undertakes the important task of unloading goods from the transport tool (such as ship, truck etc.) to ground or loading it to the transport tool, however, the traditional wharf loading and unloading arm after completing the conveying task, often encounters a problem: the fluid (such as oil, liquid chemical product etc.) remaining in the conveying pipeline or loading and unloading arm will naturally drip to the ground when stopping conveying, these dripping fluids not only will cause ground pollution, influence the neatness and aesthetic degree of wharf, can also potentially harm the surrounding environment, for example, the leakage of oil and other harmful liquids can pollute the soil and water source, cause the damage to ecological environment, in addition, these leaked fluids can also pose a threat to the health of wharf workers, such as causing slip accident or inhaling harmful gas etc.
[0003] In order to solve this problem, some improved wharf loading and unloading arms have appeared in the market, they reduce the leakage and dripping of fluid by increasing the collecting device or improving the design of conveying pipeline, however, these improvement schemes often have the shortcomings such as complex structure, high maintenance cost or poor collecting effect, limit their popularization in practical application, therefore, we improve the current wharf loading and unloading arm to meet the use requirement. CONTENT OF THE UTILITY MODEL
[0004] The utility model solves the technical problem in the prior art, provides a wharf loading and unloading arm with reasonable structure design, which can receive and store oil before / after oil conveying ends, avoiding oil dripping on the wharf.
[0005] The technical problem solved by the utility model is solved through the following technical scheme, a wharf loading and unloading arm, including cantilever, the outer vertical pipe is arranged on the cantilever, the inner vertical pipe vertically movable is arranged in the outer vertical pipe, the lower mounting plate is fixedly installed on the outer peripheral surface of the outer vertical pipe below the cantilever;
[0006] The inner vertical pipe lifting mechanism is installed on the top surface of the lower mounting plate, which lifts the inner vertical pipe, so that the inner vertical pipe bottom end extends out of the outer vertical pipe bottom end.
[0007] A swing rod is hinged on the outer peripheral surface of the outer vertical pipe below the lower mounting plate, one end of the swing rod is provided as a hinge end hinged with the outer vertical pipe, the other end is provided as a swing end, a liquid storage box is fixedly arranged on the swing end of the swing rod, a liquid storage opening is arranged on the top of the liquid storage box, the swing rod is in a vertical state, the fluid dropped from the inner wall of the inner vertical pipe can enter the liquid storage box, a swing power mechanism is arranged between the lower mounting plate and the swing rod to drive the swing rod to swing.
[0008] The technical problems solved by the utility model can also be solved by the following technical solutions.
[0009] The technical problems solved by the utility model can also be solved by the following technical solutions.
[0010] The technical problems solved by the utility model can also be solved by the following technical solutions.
[0011] The technical problems solved by the utility model can also be solved by the following technical solutions.
[0012] Compared with the prior art, the utility model has the beneficial technical effects that:
[0013] (1) the swing rod is hinged on the outer peripheral surface of the outer vertical pipe below the lower mounting plate, and the liquid storage box is fixedly arranged on the swing end of the swing rod, when the fluid attached to the inner wall of the inner vertical pipe drops, it can directly enter the box through the liquid storage opening on the top of the liquid storage box, effectively avoiding the situation that the fluid directly drops to the ground, significantly reducing environmental pollution, the design of the inner vertical pipe lifting mechanism allows the inner vertical pipe to move vertically in the outer vertical pipe, through the drive of the telescopic power mechanism I, the extension length of the inner vertical pipe can be flexibly adjusted according to actual needs, meeting the needs of different loading and unloading operations;
[0014] (2) the swing rod can carry the liquid storage box to swing to the side of the bottom end of the inner vertical pipe through the driving of the swing power mechanism, so that the bottom end of the inner vertical pipe is stretched out of the bottom end of the outer vertical pipe, the bottom end of the inner vertical pipe is conveniently stretched into the oil product tank for oil conveying operation, and after the oil conveying operation is completed, the swing power mechanism drives the swing rod and the liquid storage box to return to the original position, and the liquid storage box stores the oil dripping from the inner vertical pipe again, so that unnecessary pollution caused by oil dripping is avoided to the greatest extent. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view structural schematic diagram of the utility model before oil conveying operation.
[0016] Figure 2 It is a front view structural schematic diagram of the utility model during oil conveying operation.
[0017] Fig. 1 is a cantilever; 2 is an outer vertical pipe; 3 is an inner vertical pipe; 4 is a lower mounting plate; 5 is an upper mounting plate; 6 is a telescopic power mechanism I; 7 is a swing rod; 8 is a liquid storage box; 9 is a telescopic power mechanism II. DETAILED DESCRIPTION
[0018] The specific technical scheme of the utility model is further described below with reference to the drawings, so that those skilled in the art can further understand the utility model, but it does not limit the rights thereof.
[0019] Embodiment 1, refer to Figures 1-2 A wharf loading and unloading arm, including a cantilever 1, the cantilever 1 is formed into a roughly square rod-shaped structure, which is used for being connected with a wharf swivel joint mechanism and the like, a outer vertical pipe 2 is arranged on the cantilever 1, an inner vertical pipe 3 vertically movable is arranged in the outer vertical pipe 2, the inner vertical pipe 3 and the outer vertical pipe 2 are concentrically arranged, a lower mounting plate 4 is fixedly installed on the outer peripheral surface of the outer vertical pipe 2 below the cantilever 1, the lower mounting plate 4 is formed into a roughly square plate-shaped structure.
[0020] An inner vertical pipe lifting mechanism for lifting the inner vertical pipe 3 so that the bottom end of the inner vertical pipe 3 is stretched out of the bottom end of the outer vertical pipe 2 is installed on the top surface of the lower mounting plate 4, the inner vertical pipe lifting mechanism includes an upper mounting plate 5, the upper mounting plate 5 is formed into a roughly square plate-shaped structure, the upper mounting plate 5 is fixedly installed on the outer peripheral surface of the inner vertical pipe 3 above the lower mounting plate 4, a telescopic power mechanism I 6 is installed between the top surface of the lower mounting plate 4 and the bottom surface of the upper mounting plate 5, the telescopic power mechanism can be a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, and the type and specification thereof can be selected according to the use requirement, and the lower mounting plate 4 and the upper mounting plate 5 are both horizontally arranged.
[0021] A swing rod 7 is hinged on the outer peripheral surface of the outer vertical pipe 2 below the lower mounting plate 4, the swing rod 7 is formed as a substantially square rod-shaped structure, one end of the swing rod 7 is provided as a hinged end hinged with the outer vertical pipe 2, the other end is provided as a swing end, a liquid storage box 8 is fixedly provided on the swing end of the swing rod 7, the bottom of the liquid storage box is formed as a substantially hollow fan-shaped body structure, a liquid storage opening is provided on the top of the liquid storage box 8, the swing rod 7 is in a vertical state, the fluid dripping on the inner vertical pipe 3 can enter the inside of the liquid storage box 8, the liquid storage opening can be formed as a substantially circular opening, a swing power mechanism is installed between the lower mounting plate 4 and the swing rod 7, the swing power mechanism drives the swing rod 7 to swing, the swing power mechanism includes an extension power mechanism II 9, the extension power mechanism II 9 can be a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, the model and specification of the extension power mechanism II 9 can be selected according to the use requirement, one end of the extension power mechanism II 9 is hinged on the bottom surface of the lower mounting plate 4, the other end is hinged on the outer wall of the middle part of the swing rod 7.
[0022] The use process of the wharf loading and unloading arm is as follows:
[0023] (1) Initial state:
[0024] When the wharf loading and unloading arm is in an unused state, the cantilever 1 is stably connected to the crane pipe or other liftable and rotatable power mechanism of the wharf, at this time, the inner vertical pipe 3 is accommodated in the outer vertical pipe 2, and the bottom end of the inner vertical pipe 3 does not protrude from the bottom end of the outer vertical pipe 2, the lower mounting plate 4 is fixed on the outer peripheral surface of the outer vertical pipe 2, and the upper mounting plate 5 is fixed on the outer peripheral surface of the inner vertical pipe 3, the extension power mechanism I 6 (such as a pneumatic cylinder, a hydraulic cylinder or an electric cylinder) between the two is in an elongated state, at this time, the liquid storage box 8 is located directly below the inner vertical pipe 3 and the outer vertical pipe 2, and the liquid storage opening faces upward, ready to receive the fluid that may drip.
[0025] (2) Inner vertical pipe 3 lifting adjustment:
[0026] When the loading and unloading operation needs to be started, the extension power mechanism II 9 first drives the swing rod 7 to swing (when the extension power mechanism II 9 adopts one, it can be retracted, when it adopts two symmetrically arranged ones, such as Figure 1 , one extension end is retracted and the other extension end is elongated, the elongation and retraction amount can be selected and adjusted according to the use requirement), so that the liquid storage box 8 is no longer located directly below the inner vertical pipe 3, at this time, the extension power mechanism I 6 drives the upper mounting plate 5 to move downward, so that the inner vertical pipe 3 moves vertically, and the lower end of the inner vertical pipe 3 extends to the lower end of the outer vertical pipe 2, for example, to the tank opening of the oil tank;
[0027] (3) Operation end and return:
[0028] After the oil transfer operation is completed, the bottom end of the inner vertical pipe 3 is retracted above the bottom end of the outer vertical pipe 2. At this time, the swing power mechanism is actuated again to drive the swing lever 7 and the liquid storage box 8 back to the initial state. The liquid storage box 8 is again positioned below the inner vertical pipe 3 to facilitate receiving the dripping fluid, and is ready for the next loading and unloading operation.
Claims
1. A quayside loading and unloading arm characterised in that: The outer vertical pipe is provided with an inner vertical pipe which can move vertically, and a lower mounting plate is fixedly installed on the outer peripheral surface of the outer vertical pipe below the cantilever; An inner vertical pipe lifting mechanism is installed on the top surface of the lower mounting plate to lift the inner vertical pipe so that the bottom end of the inner vertical pipe extends out of the bottom end of the outer vertical pipe; A swing rod is hingedly connected to the outer peripheral surface of the outer vertical pipe below the lower mounting plate, one end of the swing rod is a hinged end hingedly connected to the outer vertical pipe, the other end is a swing end, a liquid storage box is fixedly installed on the swing end of the swing rod, a liquid storage opening is formed in the top of the liquid storage box, the swing rod is in a vertical state, and fluid dripping from the inner wall of the inner vertical pipe can enter the liquid storage box, and a swing power mechanism is installed between the lower mounting plate and the swing rod to drive the swing rod to swing.
2. A quayside loading and unloading arm according to claim 1, characterised in that: The inner vertical pipe and the outer vertical pipe are concentrically arranged.
3. A quay loading and unloading arm according to claim 1, characterized in that: The inner vertical pipe lifting mechanism includes an upper mounting plate which is fixedly installed on the outer peripheral surface of the inner vertical pipe above the lower mounting plate, and a telescopic power mechanism I is installed between the top surface of the lower mounting plate and the bottom surface of the upper mounting plate.
4. A quayside loading and unloading arm according to claim 3, characterised in that: The lower mounting plate and the upper mounting plate are both horizontally arranged.
5. A quayside loading and unloading arm according to claim 1, characterized in that: The swing power mechanism includes a telescopic power mechanism II, one end of which is hingedly connected to the bottom surface of the lower mounting plate, and the other end is hingedly connected to the outer wall of the middle part of the swing rod.