Teflon-lined loading arm

Abstract

The utility model discloses a polytetrafluoroethylene lining crane pipe, which belongs to the technical field of crane pipes and comprises a stand column, an inner arm is mounted on one side of the stand column, an outer arm is mounted at the end of the inner arm, a first rotary joint is arranged between the inner arm and the outer arm, a vertical pipe is mounted at the end of the outer arm, and a second rotary joint is arranged between the vertical pipe and the outer arm. A tetrafluoroethylene layer is fixed in the vertical pipe, an air cylinder is installed on the top of the outer arm, and a supporting pipe is fixedly installed on the outer side of the inner arm. Through cooperative use of the stand column, the inner arm, the outer arm, the first rotating connector, the vertical pipe, the second rotating connector, a tetrafluoroethylene layer, an air cylinder, a supporting pipe, a sleeve, a fixing ring, a T-shaped rod, a spring, a sliding groove and a fixing wheel, the whole inner arm can be supported in a large area, and meanwhile the stability of the inner arm during translation and rotation is improved through the bottom spring; and the supporting force is stronger, and the stability is better, so that the stability and the protective force of the tetrafluoro-lined loading arm are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane pipes, in particular to a crane pipe lined with polytetrafluoroethylene. Background Art

[0002] The crane pipe is a telescopic and movable pipe, which is mostly used for liquid loading and unloading at petroleum and chemical terminals. The medium in the pipe is oil, water, etc. It is divided into many types. Compared with the old hose, it has the advantages of high safety and flexibility. The crane pipe is a special equipment 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] For example, the utility model with application number 201922463006.3 discloses a carbon steel lined PTFE anti-corrosion crane pipe. The utility model installs a vertical pipe. In actual use, a PTFE pipe is sleeved inside the carbon steel pipe, and a heat-insulating layer is hot-melt between the carbon steel pipe and the PTFE pipe. An insulation layer is also sleeved outside the carbon steel pipe, so that the vertical pipe has better high temperature resistance and pressure resistance, which can not only avoid damage to the vertical pipe caused by external force, but also avoid temperature factors affecting the normal use of the vertical pipe.

[0004] Similar to the above application, there are still some shortcomings:

[0005] This type of carbon steel lined PTFE anti-corrosion crane pipe has good high temperature and pressure resistance, but the crane pipe is used by extending outward, so the weight of the front end of the crane pipe will cause the inner arm to bear the heaviest weight. During use, it will cause great wear and tear on the inner arm of the crane pipe, and even cause damage to the pipe body, causing unnecessary trouble.

[0006] Therefore, a polytetrafluoroethylene lined crane tube is designed to optimize the above problems. Utility Model Content

[0007] The main purpose of the utility model is to provide a polytetrafluoroethylene lined crane tube to solve the relevant technical problems raised in the above background technology.

[0008] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0009] A polytetrafluoroethylene lined crane tube comprises a column, an inner arm is installed on one side of the column, an outer arm is installed on the end of the inner arm, a swivel joint 1 is arranged between the inner arm and the outer arm, a vertical tube is installed on the end of the outer arm, a swivel joint 2 is arranged between the vertical tube and the outer arm, a polytetrafluoroethylene layer is fixed inside the vertical tube, a cylinder is installed on the top of the outer arm, a support tube is fixedly installed on the outside of the inner arm, a sleeve is hinged at the bottom of the support tube, a fixing ring is fixed on the outside of the sleeve, sliding grooves are evenly opened on the bottom of the sleeve, a T-shaped rod is slidably connected to the inside of the sleeve, a spring is arranged between the top of the T-shaped rod and the fixing ring, and a fixing wheel is installed at the bottom of the T-shaped rod.

[0010] Preferably, a rotating tube is rotatably mounted on the side wall of the column, a limiting tube is fixed on the top of the rotating tube, and an extension plate is fixed on one side of the rotating tube.

[0011] Preferably, a support block and a top block are fixed on the top of the cylinder, a movable block is rotatably mounted on the top of the support block, and a protective shell is fixed on the top of the movable block.

[0012] Preferably, a handle is provided on the top of the protective shell, and the handle is a non-slip handle.

[0013] Preferably, a reinforcement pad is provided at the bottom of the extension plate, and a reinforcement block is fixed at the top of the extension plate.

[0014] Preferably, a protective layer is provided inside the support tube, and protective particles are provided on the protective layer.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides a polyfluoroethylene lined crane tube, which is used in coordination with a column, an inner arm, an outer arm, a rotary joint 1, a vertical pipe, a rotary joint 2, a polyfluoroethylene layer, a cylinder, a support tube, a sleeve, a fixing ring, a T-shaped rod, a spring, a slide groove and a fixing wheel. The support tube is installed on the outer side of the inner arm through bolts and other components, so that the sleeve and the T-shaped rod support and lift most of the outer side of the inner arm. When the inner arm rotates and adjusts, the sleeve at the bottom moves accordingly. When the ground is convex, the fixing wheel moves up and pushes the T-shaped rod to lift up, and the T-shaped rod squeezes the spring to compress it. When the ground is flat, the spring rebounds to move the fixing wheel downward, and the upward force of the ground convexity is offset by the spring, thereby reducing the shaking of the inner arm, and can support the outer side of the inner arm as a whole over a larger area. At the same time, the bottom spring improves the stability of the inner arm during translation and rotation, and supports The force is stronger and the stability is better, thereby improving the stability and protection of the polytetrafluoroethylene crane tube; through the coordinated use of the rotating tube, the limiting tube and the extension plate, when in use, the rotating tube is rotated to one side and the extension plate is rotated to the right position at the same time, thereby increasing the contact area between the bottom and the ground and improving the stability of the polytetrafluoroethylene crane tube; when not in use, the inner arm is retracted to one side and the extension plate can be rotated to the same direction at the same time, thereby playing a good anti-dumping and stabilizing role; through the coordinated use of the supporting block, the movable block, the protective shell and the top block, the protective shell protects the connection between the cylinder and the top of the outer arm to prevent corrosion damage to the connection caused by external factors, resulting in the inability to use the installed components; when adjusting the position, the left end of the protective shell can be lifted to operate the inside; when not in use, the protective shell is lowered and supported by the top block, thereby improving the protection effect of the polytetrafluoroethylene crane tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front cross-sectional view of the utility model;

[0018] Figure 2 It is a schematic diagram of an extension plate of the utility model;

[0019] Figure 3 For the utility model Figure 1 A magnified view of the structure in the middle.

[0020] In the figure: 1. column; 2. inner arm; 3. outer arm; 4. swivel joint 1; 5. vertical pipe; 6. swivel joint 2; 7. tetrafluoroethylene layer; 8. cylinder; 9. support pipe; 10. sleeve; 11. fixing ring; 12. T-bar; 13. spring; 14. slide groove; 15. fixed wheel; 16. rotating pipe; 17. limit pipe; 18. extension plate; 19. support block; 20. movable block; 21. protective shell; 22. top block. DETAILED DESCRIPTION

[0021] In order to make the technical solution of the utility model more clear and specific to those skilled in the art, the utility model is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the utility model are not limited thereto.

[0022] Embodiment 1

[0023] like Figure 1-Figure 3 As shown, this embodiment provides a polytetrafluoroethylene lined crane tube, including a column 1, an inner arm 2 is installed on one side of the column 1, an outer arm 3 is installed at the end of the inner arm 2, a rotary joint 4 is arranged between the inner arm 2 and the outer arm 3, a vertical tube 5 is installed at the end of the outer arm 3, a rotary joint 6 is arranged between the vertical tube 5 and the outer arm 3, a polytetrafluoroethylene layer 7 is fixed inside the vertical tube 5, a cylinder 8 is installed on the top of the outer arm 3, a support tube 9 is fixedly installed on the outer side of the inner arm 2, a sleeve 10 is hinged at the bottom of the support tube 9, a fixing ring 11 is fixed on the outer side of the sleeve 10, and sliding grooves 14 are evenly opened at the bottom of the sleeve 10, a T-shaped rod 12 is slidably connected inside the sleeve 10, a spring 13 is arranged between the top of the T-shaped rod 12 and the fixing ring 11, a fixing wheel 15 is installed at the bottom of the T-shaped rod 12, a rotating tube 16 is rotatably installed on the side wall of the column 1, a limiting tube 17 is fixed on the top of the rotating tube 16, and an extension plate 18 is fixed on one side of the rotating tube 16.

[0024] Through the coordinated use of the column 1, the inner arm 2, the outer arm 3, the swivel joint 1 4, the vertical pipe 5, the swivel joint 2 6, the tetrafluoroethylene layer 7, the cylinder 8, the support pipe 9, the sleeve 10, the fixing ring 11, the T-shaped rod 12, the spring 13, the slide 14 and the fixed wheel 15, the support pipe 9 is installed on the outer side of the inner arm 2 through bolts and other components, so that the sleeve 10 and the T-shaped rod 12 support and lift most of the outer side of the inner arm 2. When the inner arm 2 rotates and adjusts, the sleeve 10 at the bottom moves accordingly. When the ground is convex, the fixed wheel 15 moves up and pushes the T-shaped rod 12 to lift up, and the T-shaped rod 12 squeezes the spring 13 to compress it. When the ground is flat, the spring 13 rebounds to move the fixed wheel 15 downward, and the ground convexity is lifted upward by the spring 13 The force is offset, thereby reducing the shaking of the inner arm 2, and can support the outer side of the inner arm 2 as a whole over a larger area. At the same time, the bottom spring 13 improves the stability of the inner arm 2 during translation and rotation, and the supporting force is stronger and the stability is better. When not in use, the fixed wheel 15 can be retracted without occupying extra space, thereby improving the stability and protection of the polytetrafluoroethylene crane tube; through the coordinated use of the rotating tube 16, the limiting tube 17 and the extension plate 18, when in use, the rotating tube 16 is rotated to one side and the extension plate 18 is rotated to the right position at the same time, thereby increasing the contact area between the bottom and the ground and improving the stability of the polytetrafluoroethylene crane tube. When not in use, the inner arm 2 is retracted to one side and the extension plate 18 can be rotated to the same direction at the same time, thereby playing a good anti-dumping and stabilizing role.

[0025] Embodiment 2

[0026] In this embodiment, if Figure 1-Figure 3 As shown, a support block 19 and a top block 22 are fixed to the top of the cylinder 8 , a movable block 20 is rotatably mounted on the top of the support block 19 , and a protective shell 21 is fixed to the top of the movable block 20 .

[0027] Through the coordinated use of the support block 19, the movable block 20, the protective shell 21 and the top block 22, the protective shell 21 protects the connection between the cylinder 8 and the top of the outer arm 3 to prevent corrosion damage to the connection caused by external factors, which may cause the installation components to be unusable. When adjusting the position, the left end of the protective shell 21 can be lifted to operate the interior. When not in use, the protective shell 21 can be put down and supported by the top block 22, thereby improving the protection effect of the Teflon-lined crane tube.

[0028] In this embodiment, a handle is disposed on the top of the protective shell 21, and the handle is a non-slip handle.

[0029] The provision of the anti-slip handle makes it convenient for workers to pull the protective shell 21 therethrough, thus saving time and effort in the operation.

[0030] In this embodiment, a reinforcement pad is disposed at the bottom of the extension plate 18 , and a reinforcement block is fixed to the top of the extension plate 18 .

[0031] The wear resistance of the bottom of the extension plate 18 is improved by the reinforcement pad, and the reinforcement block increases the support stability of the extension plate 18 .

[0032] In this embodiment, a protective layer is provided inside the support tube 9, and protective particles are provided on the protective layer.

[0033] The addition of the protective layer provides a protective buffer for the outer side of the inner arm 2, thereby improving the protective effect.

[0034] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A polytetrafluoroethylene lined crane tube, characterized in that: The utility model comprises a column (1), an inner arm (2) is installed on one side of the column (1), an outer arm (3) is installed on the end of the inner arm (2), a rotary joint (4) is arranged between the inner arm (2) and the outer arm (3), a vertical tube (5) is installed on the end of the outer arm (3), a rotary joint (6) is arranged between the vertical tube (5) and the outer arm (3), a tetrafluoroethylene layer (7) is fixed inside the vertical tube (5), a cylinder (8) is installed on the top of the outer arm (3), and the inner arm (2) is provided with a plurality of rotating parts. A support tube (9) is fixedly installed on the outer side of the arm (2), a sleeve (10) is hinged at the bottom of the support tube (9), a fixing ring (11) is fixed on the outer side of the sleeve (10), a sliding groove (14) is evenly opened at the bottom of the sleeve (10), a T-shaped rod (12) is slidably connected inside the sleeve (10), a spring (13) is arranged between the top of the T-shaped rod (12) and the fixing ring (11), and a fixing wheel (15) is installed at the bottom of the T-shaped rod (12).

2. A polytetrafluoroethylene lined pipe according to claim 1, characterized in that: A rotating tube (16) is rotatably mounted on the side wall of the column (1), a limiting tube (17) is fixed on the top of the rotating tube (16), and an extension plate (18) is fixed on one side of the rotating tube (16).

3. A polytetrafluoroethylene lined pipe according to claim 1, characterized in that: A support block (19) and a top block (22) are fixed on the top of the cylinder (8); a movable block (20) is rotatably mounted on the top of the support block (19); and a protective shell (21) is fixed on the top of the movable block (20).

4. A polytetrafluoroethylene lined pipe according to claim 3, characterized in that: A handle is provided on the top of the protective shell (21), and the handle is a non-slip handle.

5. A polytetrafluoroethylene lined pipe according to claim 2, characterized in that: A reinforcement pad is provided at the bottom of the extension plate (18), and a reinforcement block is fixed at the top of the extension plate (18).

6. A polytetrafluoroethylene lined pipe according to claim 1, characterized in that: A protective layer is arranged inside the support tube (9), and protective particles are arranged on the protective layer.

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