Vertical pipe balance structure of fluid loading and unloading arm
By using a combination of a balance rod and a gas spring on the vertical pipe of the fluid loading and unloading arm, the self-balancing and multi-angle swing of the vertical pipe is achieved, which solves the problem of the inability to balance the vertical pipe in the prior art, and improves the operating efficiency and the stability of the equipment.
Patent Information
- Application Number
- CN202420818011.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-19
AI Technical Summary
In the prior art, the spring cylinder on the crane tube only balances the outer arm of the crane tube and cannot balance the vertical pipe, resulting in the need to interfere with the swing of the vertical pipe by manpower, which increases the workload.
A vertical pipe balance structure of the fluid loading and unloading arm is designed. Through the combination of the balance rod and the gas spring, the balance and multi-angle swing of the vertical pipe are achieved, and the gas spring is used for balance and locking.
Through the combination of the balance rod and gas spring, the self-balancing and multi-angle swing of the vertical pipe are achieved, which reduces manpower interference, reduces operation difficulty, and improves the stability and scope of application of the equipment.
Smart Images
Figure CN222593482U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluid loading and unloading arms, in particular to a vertical pipe balancing structure of a fluid loading and unloading arm. Background Art
[0002] The crane arm is a special equipment used in the fluid loading and unloading process of the petrochemical industry, also known as the fluid loading and unloading arm. It uses a rotating joint to connect with rigid pipes and elbows to realize the mobile equipment of transmitting liquid media between trains, tank cars and trestle storage and transportation pipelines, replacing the old hose connection, with high safety, flexibility and long life.
[0003] In the current commonly used design scheme: the spring cylinder on the crane pipe only balances the outer arm of the crane pipe, and cannot balance the vertical pipe. In the process of connecting with the tank car, the vertical pipe is swung by human intervention, which increases the workload. Utility Model Content
[0004] The utility model aims to provide a vertical pipe balancing structure for a fluid loading and unloading arm, aiming to solve the problems in the prior art that the spring cylinder on the crane pipe only balances the outer arm of the crane pipe, is unable to balance the vertical pipe, and increases the workload by human intervention in the swing of the vertical pipe.
[0005] The utility model is implemented as follows: the vertical pipe balancing structure of the fluid loading and unloading arm includes an input pipe for medium input and a rotatably arranged vertical pipe, the vertical pipe is connected to the input pipe through a flange, a balancing rod is connected to the vertical pipe, and the balancing rod and the flange are connected through a gas spring;
[0006] When the vertical tube is in a vertical state, the balance bar squeezes the gas spring, and the gas spring is in a compressed state, so that the vertical tube is in a balanced state; when the vertical tube is in a horizontal state, the gas spring extends to provide power assistance, so that the vertical tube is in a balanced state.
[0007] Furthermore, the vertical pipe is connected to the input pipe through a curved pipe, a rotary joint is installed on the curved pipe, and the curved pipe is rotatably connected to the flange through the rotary joint.
[0008] Furthermore, one end of the vertical pipe is connected to one end of the curved pipe, the other end of the vertical pipe has a discharge port, and the rotary joint is installed on the other end of the curved pipe.
[0009] Furthermore, the balance bar includes a connecting rod, the inner end of the connecting rod abuts against the vertical tube, and the connecting rod and the vertical tube are at the same level, and the outer end of the connecting rod is bent and extended toward the gas spring to form a handle rod, and the handle rod is hingedly connected to the gas spring.
[0010] Furthermore, the handle bar and the rotary joint are arranged relatively spaced apart.
[0011] Furthermore, one end of the gas spring is hingedly connected to the handle rod, and the other end of the gas spring is connected to the flange through a fixing plate.
[0012] Furthermore, the bottom of the fixing plate is connected to the flange through bolts, the top of the fixing plate is exposed above the flange, and the other end of the gas spring is hingedly connected to the top of the fixing plate.
[0013] Furthermore, a plurality of hinge holes for hinged connection of the air supply springs are provided on the top of the fixing plate, and the plurality of hinge holes are arranged in sequence and spaced apart longitudinally.
[0014] Furthermore, the gas spring is arranged in an inclined shape, and the gas spring and the connecting rod are arranged relatively spaced apart.
[0015] Furthermore, a switch valve with a manual switch is arranged on the vertical pipe, a quick connector cover is detachably mounted on the vertical pipe, the quick connector cover movably covers the discharge port, and a rotating handle for rotationally driving the quick connector cover is arranged on the quick connector cover.
[0016] Compared with the prior art, the vertical pipe balancing structure of the fluid loading and unloading arm provided by the utility model controls the balance state of the vertical pipe through the balance bar and the gas spring to control the vertical pipe, making the operation lighter; the multi-angle swing of the vertical pipe is controlled by the balance bar, and the gas spring is used for balancing and locking. The structure has higher firmness and stability, saves time and effort, and can expand the scope of application. It solves the problem that the spring cylinder on the crane pipe only balances the outer arm of the crane pipe and cannot balance the vertical pipe, and the problem that the swing of the vertical pipe is increased by human intervention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional schematic diagram of the vertical pipe balancing structure of the fluid loading and unloading arm provided by the utility model.
[0018] In the figure: input pipe 10, flange 20, rotary joint 30, bending pipe 40, vertical pipe 50, balance rod 60, gas spring 70, fixing plate 21, hinge hole 22, switch valve 51, quick connector cover 52, rotating handle 53, connecting rod 61, handle rod 62. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0020] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.
[0021] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on the present utility model. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0022] Reference Figure 1 As shown, it is a preferred embodiment provided by the utility model.
[0023] The vertical pipe 50 balancing structure of the fluid loading and unloading arm includes an input pipe 10 for medium input and a rotatably arranged vertical pipe 50, the vertical pipe 50 is connected to the input pipe 10 through a flange 20, a balancing rod 60 is connected to the vertical pipe 50, and the balancing rod 60 and the flange 20 are connected through a gas spring 70;
[0024] When the drop tube 50 is in a vertical state, the balance bar 60 squeezes the gas spring 70, and the gas spring 70 is in a compressed state, so that the drop tube 50 is in a balanced state; when the drop tube 50 is in a horizontal state, the gas spring 70 extends to provide power assistance, so that the drop tube 50 is in a balanced state.
[0025] The above-provided balancing structure of the vertical pipe 50 of the fluid loading and unloading arm controls the vertical pipe 50 through the balance bar 60 and the gas spring 70 to control the balance state of the vertical pipe 50, making the operation lighter; the multi-angle swing of the vertical pipe 50 is controlled by the balance bar 60, and the gas spring 70 is used for balancing and locking. The structural firmness and stability are higher, time and labor are saved, and the scope of application can be expanded. It solves the problem that the spring cylinder on the crane pipe only balances the outer arm of the crane pipe and cannot balance the vertical pipe 50, and the problem of increasing workload by human intervention in the swing of the vertical pipe 50.
[0026] Selecting the correct type of gas spring 70 and size of balance bar 60 can satisfy the rotation of the drop tube 50 ≥ 180°. When the drop tube 50 is vertically downward, the gas spring 70 is in a compressed state. The normal operating condition of the entire device is that the drop tube 50 is in a horizontal state. When manually operated, the gas spring 70 extends to assist, so that the drop tube 50 can stop at any position and keep balance.
[0027] In this embodiment, the vertical pipe 50 is connected to the input pipe 10 through the curved pipe 40, and a rotary joint 30 is installed on the curved pipe 40. The curved pipe 40 is rotatably connected to the flange 20 through the rotary joint 30. In this way, the vertical pipe 50 can rotate through the rotary joint 30 to work.
[0028] One end of the vertical pipe 50 is communicated with one end of the curved pipe 40 , and the other end of the vertical pipe 50 has a discharge port. The rotary joint 30 is installed on the other end of the curved pipe 40 .
[0029] In this embodiment, the balancing rod 60 includes a connecting rod 61, the inner end of the connecting rod 61 abuts against the drop tube 50, and the connecting rod 61 and the drop tube 50 are at the same level, and the outer end of the connecting rod 61 bends and extends toward the gas spring 70 to form a handle rod 62, and the handle rod 62 is hingedly connected to the gas spring 70. In this way, the multi-angle swing of the drop tube 50 can be controlled by the handle rod 62, making the operation lighter, saving time and effort, and improving the scope of application.
[0030] The handle bar 62 is arranged opposite to the rotary joint 30 and spaced apart from each other.
[0031] In this embodiment, one end of the gas spring 70 is hingedly connected to the handle bar 62, and the other end of the gas spring 70 is connected to the flange 20 through the fixing plate 21. In this way, the handle bar 62 can operate the drop tube 50 to rotate, and the connection between the gas spring 70 and the handle bar 62 will not cause an obstacle to the rotation between the two; the connection between the gas spring 70 and the flange 20 through the fixing plate 21 can facilitate the removal of the gas spring 70 and the adjustment of its position.
[0032] The bottom of the fixing plate 21 is connected to the flange 20 by bolts, the top of the fixing plate 21 is exposed above the flange 20 , and the other end of the gas spring 70 is hingedly connected to the top of the fixing plate 21 .
[0033] In this embodiment, a plurality of hinge holes 22 for hinged connection of the gas spring 70 are provided on the top of the fixing plate 21, and the plurality of hinge holes 22 are arranged in sequence at intervals in the longitudinal direction. In this way, the angle of the gas spring 70 can be adjusted through the plurality of hinge holes 22 on the fixing plate 21, thereby increasing the applicable range of the gas spring 70.
[0034] The gas spring 70 is arranged in an inclined shape, and the gas spring 70 and the connecting rod 61 are arranged relatively spaced apart.
[0035] In this embodiment, a switch valve 51 with a manual switch is provided on the vertical pipe 50, and a quick connector cover 52 is detachably installed on the vertical pipe 50. The quick connector cover 52 movably covers the discharge port, and a rotating handle 53 for rotating and driving the quick connector cover 52 is provided on the quick connector cover 52.
[0036] The switch valve 51 is manually controlled to improve the control of the material loading and unloading amount of the vertical pipe 50, and the vertical pipe 50 that has completed loading and unloading is covered with a quick connector cover 52 to prevent the residual medium in the vertical pipe 50 from flowing out.
[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. The vertical pipe balancing structure of the fluid loading and unloading arm is characterized by: It includes an input pipe for medium input and a rotatably arranged vertical pipe, wherein the vertical pipe is connected to the input pipe via a flange, a balancing rod is connected to the vertical pipe, and the balancing rod and the flange are connected via a gas spring; When the vertical tube is in a vertical state, the balance bar squeezes the gas spring, and the gas spring is in a compressed state, so that the vertical tube is in a balanced state; when the vertical tube is in a horizontal state, the gas spring extends to provide power assistance, so that the vertical tube is in a balanced state.
2. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 1, characterized in that: The vertical pipe is communicated with the input pipe through a curved pipe, a rotary joint is installed on the curved pipe, and the curved pipe is rotatably connected with the flange through the rotary joint.
3. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 2, characterized in that: One end of the vertical pipe is communicated with one end of the curved pipe, the other end of the vertical pipe is provided with a discharge port, and the rotary joint is installed on the other end of the curved pipe.
4. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 3, characterized in that: The balancing rod comprises a connecting rod, the inner end of the connecting rod abuts against the vertical tube, and the connecting rod and the vertical tube are at the same level, and the outer end of the connecting rod is bent and extended toward the gas spring to form a handle rod, and the handle rod is hingedly connected to the gas spring.
5. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 4, characterized in that: The handle bar and the rotary joint are arranged relatively and spaced apart.
6. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 5, characterized in that: One end of the gas spring is hingedly connected to the handle bar, and the other end of the gas spring is connected to the flange through a fixing plate.
7. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 6, characterized in that: The bottom of the fixing plate is connected to the flange through bolts, the top of the fixing plate is exposed above the flange, and the other end of the gas spring is hingedly connected to the top of the fixing plate.
8. The vertical pipe balancing structure of the fluid loading and unloading arm according to claim 7, characterized in that: A plurality of hinge holes for hinged connection of the air supply springs are arranged on the top of the fixing plate, and the plurality of hinge holes are arranged in sequence and spaced apart in the longitudinal direction.
9. The vertical pipe balancing structure of a fluid loading and unloading arm according to any one of claims 4 to 8, characterized in that: The gas spring is arranged in an inclined shape, and the gas spring and the connecting rod are arranged relatively and spaced apart.
10. The vertical pipe balancing structure of a fluid loading and unloading arm according to any one of claims 3 to 8, characterized in that: The vertical pipe is provided with a switch valve for manual switch, the vertical pipe is detachably provided with a quick connector cover, the quick connector cover movably covers the discharge port, and the quick connector cover is provided with a rotating handle for rotating and driving the quick connector cover.