Loading arm structure for butt joint of oil depot tank truck

Abstract

The utility model relates to a crane pipe structure for butt joint of oil depot tank trucks, and aims to solve the problems that a pipeline welded through a connecting flange is inconvenient to disassemble and clean at present, the crane pipe is inconvenient to maintain when being damaged, moisture easily enters the connecting position of a bolt and the flange to rust when the bolt is disassembled for connection, and the service life of the crane pipe is prolonged. The technical problems that in the prior art, the connecting position is prone to being damaged and unstable, a sealing ring at the flange connecting position deviates easily, and the sealing effect cannot be guaranteed are solved, and the crane pipe comprises a crane pipe A and a crane pipe B communicated with the crane pipe A. Sealing rings are constructed at one end of the outer edge face of the crane pipe A and one end of the outer edge face of the crane pipe B correspondingly, and annular grooves are formed in the outer edge faces of the two sealing rings correspondingly; the rubber coating sleeve is matched with the two sealing rings, after the rubber coating sleeve is extruded by the sealing assembly, the rubber coating sleeve can coat the joint of the crane pipe A and the crane pipe B, and moisture is prevented from entering the rubber coating sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline interfaces, in particular to a crane pipe structure used for connecting oil tank trucks. Background Art

[0002] The crane pipe is a mechanical equipment used for liquid loading and unloading at petroleum and chemical terminals. It can be used to transport media in the pipe such as oil, water, etc. It is also called a fluid loading and unloading arm. It is generally connected by vertical pipes, elbows and rotary joints, which greatly improves the efficiency of liquid transmission and is also very safe.

[0003] Under the existing technology, when connecting the crane pipe, the pipe welded by the connecting flange is not convenient to disassemble and clean, and it is also inconvenient to repair the crane pipe when it is damaged. When the bolts are removed for connection, the connection between the bolts and the flange is also easy to enter moisture and rust, and the connection is easy to be damaged and unstable, which easily causes the sealing ring at the flange connection to deviate, and the sealing effect cannot be guaranteed. In view of this, we propose a crane pipe structure for connecting oil tank trucks. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a crane pipe structure for connecting oil depot tank trucks to solve the technical problems that the current pipelines welded by connecting flanges are inconvenient to disassemble and clean, and it is also inconvenient to repair the crane pipe when it is damaged. When the bolts are removed for connection, the connection between the bolts and the flange is also prone to moisture and rust, the connection is prone to damage and instability, and it is easy to cause the sealing ring at the flange connection to deviate, and the sealing effect cannot be guaranteed.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a crane pipe structure for connecting oil tank trucks, including a crane pipe A and a crane pipe B connected to the crane pipe A;

[0006] The outer edge surfaces of the crane pipe A and the crane pipe B are both constructed with sealing rings at one end, and an annular groove is opened on the outer edge surfaces of the two sealing rings, and sealing rings are installed in the two annular grooves, and the facing ends of the crane pipe A and the crane pipe B are jointly sleeved with a rubber sheath abutting against the two sealing rings, and the facing ends of the crane pipe A and the crane pipe B are jointly installed with a sealing component for cooperating with the rubber sheath to achieve a sealed connection between the crane pipe A and the crane pipe B;

[0007] The sealing assembly includes two arc-shaped fixing flaps that are hingedly connected, and a limiting groove that matches the rubber covering sleeve is centrally opened in the two arc-shaped fixing flaps, and one end of the outer edge surface of the two arc-shaped fixing flaps is constructed with a hinge structure, and a plurality of locking assemblies for pulling the two arc-shaped fixing flaps to extrude the rubber covering sleeve are rotatably installed on one of the two hinged structures, and one end of the locking assembly is hung and connected to the other hinged structure.

[0008] Preferably, the hinge structure comprises a hinge seat, the hinge seat is fixedly mounted on one end of the outer edge surface of the arc-shaped fixed flap, and a shaft is fixedly mounted between two sides of the hinge seat.

[0009] Preferably, the locking assembly comprises a shell, the shell is rotatably mounted on the shaft, and a mounting key is slidably mounted on a side of the shell away from the shaft, and a mounting groove matching the shaft is provided on one side of the mounting key.

[0010] Preferably, a guide groove is opened on one side of the shell, and a slide seat is slidably arranged in the guide groove, the slide seat is welded and fixed to the top end of the mounting key, and the inner thread of the slide seat is matched with a threaded drive structure constructed on one side of the shell.

[0011] Preferably, the threaded drive structure includes two fixed seats, which are respectively constructed at both ends of one side of the shell, and threaded rods are installed in the two fixed seats for common rotation. A hexagonal knob is fixedly installed on one end of the threaded rod facing the mounting key, and the sliding seat is threadedly mounted on the threaded rod.

[0012] Preferably, a limiting convex key for limiting the rotation range of the shell during rotation is constructed on a side of the shell away from the mounting key, and the limiting convex key abuts against the hinge seat.

[0013] Preferably, one end of the crane pipe A and the crane pipe B are both constructed with a flange, and one side of the flange is provided with a plurality of through grooves in a circular array.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model realizes the sealing of the connection by means of a crane pipe A and a crane pipe B having a sealing ring, two sealing rings and a rubber sheath, and extrude the rubber sheath through a sealing component to make it cover the connection between the crane pipe A and the crane pipe B, thereby preventing the rubber sheath from sliding and ensuring the sealing effect. By means of a plurality of locking components provided on the hinged structure and hanging with another hinged structure, the two hingedly connected arc-shaped fixed petals are fixedly connected, which is convenient for disassembly during maintenance. Moreover, by means of the rubber sheath cooperating with the two sealing rings, after being squeezed by the sealing component, it will cover the connection between the crane pipe A and the crane pipe B to prevent moisture from entering therein.

[0016] 2. The utility model uses a plurality of locking components to complete the tightening of two arc-shaped fixed petals installed with a hinged structure, thereby ensuring the extrusion effect on the rubber sheath and the fixing effect of the crane pipe A and the crane pipe B. When the two arc-shaped fixed petals need to be further tightened, the mounting key provided in the shell can be mounted on the corresponding shaft rod, so that the shaft rod enters the mounting groove, and the threaded rod installed with the hexagonal knob is rotated by a tool to drive the sliding seat constructed with the mounting key to slide, thereby reducing the distance between the two arc-shaped fixed petals, achieving a tightening effect, ensuring the extrusion force on the rubber sheath, and improving the covering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial structural cross-sectional view of the utility model in a disassembled state;

[0019] Figure 3 This is a schematic diagram of the structure of the rubber covering sleeve and the sealing component in the present invention in a matching state;

[0020] Figure 4 It is a schematic diagram of the cooperation between the rubber covering sleeve and the sealing assembly in the unfolded state in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the locking assembly in the utility model;

[0022] Figure 6 It is a schematic diagram of the structure of the locking assembly in the utility model in a disassembled state.

[0023] In the figure: 1. Crane pipe A; 2. Crane pipe B; 3. Sealing ring; 4. Sealing ring; 5. Sealing assembly; 501. Arc-shaped fixed flap; 502. Limiting groove; 503. Articulated seat; 504. Shaft rod; 6. Rubber covering sleeve; 7. Locking assembly; 701. Shell; 702. Mounting key; 703. Mounting groove; 704. Sliding seat; 705. Fixed seat; 706. Threaded rod; 707. Hexagon socket knob; 708. Limiting cam; 8. Flange. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0025] Example 1: A crane pipe structure for connecting oil tank trucks, see Figure 1 , Figure 2 , including a crane pipe A1 and a crane pipe B2 connected to the crane pipe A1, one end of each of the crane pipe A1 and the crane pipe B2 is constructed with a flange 8, and one side of the flange 8 is provided with a plurality of through grooves in a ring array.

[0026] Furthermore, to facilitate disassembly during maintenance and to prevent moisture from entering, see Figure 1 , Figure 2 , Figure 3 , Figure 4, a sealing ring 3 is constructed at one end of the outer edge surface of the crane pipe A1 and the crane pipe B2, and an annular groove is opened on the outer edge surface of the two sealing rings 3, and a sealing ring 4 is installed in each of the two annular grooves, and a rubber sheath 6 abutting against the two sealing rings 4 is commonly sleeved on the facing ends of the crane pipe A1 and the crane pipe B2, and a sealing component 5 for cooperating with the rubber sheath 6 to achieve a sealed connection between the crane pipe A1 and the crane pipe B2 is commonly installed on the facing ends of the crane pipe A1 and the crane pipe B2, and the sealing component 5 includes two hingedly connected arc-shaped fixed flaps 501, and a limiting groove 502 for cooperating with the rubber sheath 6 is opened in the center of the two arc-shaped fixed flaps 501, and a hinged structure is constructed at one end of the outer edge surface of the two arc-shaped fixed flaps 501, and a plurality of hinges for pulling the two hinged structures are rotatably installed on one of the two hinged structures The arc-shaped fixed flap 501 squeezes the locking component 7 of the rubber sheath 6, and one end of the locking component 7 is hung and connected to another hinged structure. The crane pipe A1 and the crane pipe B2 equipped with a sealing ring 3 cooperate with two sealing rings 4 and the rubber sheath 6 to achieve sealing of the connection, and the rubber sheath 6 is squeezed by the sealing component 5 to make it cover the connection between the crane pipe A1 and the crane pipe B2 to prevent the rubber sheath 6 from sliding and ensure the sealing effect. The two hingedly connected arc-shaped fixed flaps 501 are fixedly connected by hanging multiple locking components 7 on the hinged structure with another hinged structure, which is convenient for disassembly during maintenance. The rubber sheath 6 cooperates with the two sealing rings 4 and, after being squeezed by the sealing component 5, it will cover the connection between the crane pipe A1 and the crane pipe B2 to prevent moisture from entering.

[0027] Furthermore, in order to ensure the extrusion force of the rubber sheath 6 and improve the sheathing effect, see Figure 3 , Figure 4 , Figure 5 , Figure 6The hinge structure includes a hinge seat 503, which is fixedly mounted on one end of the outer edge of the arc-shaped fixed flap 501, and a shaft 504 is fixedly mounted between the two sides of the hinge seat 503. The locking assembly 7 includes a shell 701, which is rotatably mounted on the shaft 504, and a mounting key 702 is slidably mounted on a side of the shell 701 away from the shaft 504, and a mounting slot 703 matching the shaft 504 is opened on one side of the mounting key 702. The shell 701 A guide groove is provided on one side of the housing 701, and a slide seat 704 is slidably arranged in the guide groove. The slide seat 704 is welded and fixed to the top of the mounting key 702, and the inner thread of the slide seat 704 is matched with a threaded driving structure constructed on one side of the housing 701, and the threaded driving structure includes two fixed seats 705, and the two fixed seats 705 are respectively constructed at two ends of one side of the housing 701, and threaded rods 706 are installed in the two fixed seats 705 for common rotation, and the threaded rods 706 are oriented toward the mounting key 702. One end of the housing 701 is fixedly mounted with a hexagonal knob 707, and the slide seat 704 is threadedly mounted on the threaded rod 706. A limit convex key 708 is constructed on the side of the housing 701 away from the mounting key 702 for limiting the rotation range of the housing 701 during rotation, and the limit convex key 708 abuts against the hinge seat 503. The two arc-shaped fixed petals 501 with hinged structures are tightened through multiple locking components 7, thereby ensuring the extrusion effect on the rubber sheath 6 and the crane pipe A1 and the crane pipe. In order to improve the fixing effect of B2, when the two arc-shaped fixing petals 501 need to be further tightened, the mounting key 702 set in the shell 701 can be mounted on the corresponding shaft rod 504, so that the shaft rod 504 enters the mounting groove 703, and the threaded rod 706 equipped with the hexagonal knob 707 is rotated by a tool to drive the slide seat 704 with the mounting key 702 to slide, thereby reducing the distance between the two arc-shaped fixing petals 501, achieving a tightening effect, ensuring the extrusion force on the rubber sheathing sleeve 6, and improving the sheathing effect.

[0028] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A crane pipe structure for connecting oil tank trucks, characterized in that: The invention comprises a crane pipe A (1) and a crane pipe B (2) connected to the crane pipe A (1); The outer edge surfaces of the said crane pipe A (1) and the said crane pipe B (2) are both constructed with sealing rings (3) at one end, and the outer edge surfaces of the two sealing rings (3) are both provided with annular grooves, and the two annular grooves are both provided with sealing rings (4), and the facing ends of the said crane pipe A (1) and the said crane pipe B (2) are jointly sleeved with a rubber sheath (6) which abuts against the two sealing rings (4), and the facing ends of the said crane pipe A (1) and the said crane pipe B (2) are jointly provided with a sealing component (5) for cooperating with the rubber sheath (6) to realize the sealing connection between the crane pipe A (1) and the crane pipe B (2); The sealing assembly (5) comprises two arc-shaped fixing flaps (501) which are hingedly connected, and a limiting groove (502) for matching the rubber covering sleeve (6) is centrally opened in the two arc-shaped fixing flaps (501), and one end of the outer edge surface of the two arc-shaped fixing flaps (501) is constructed with a hinge structure, and a plurality of locking assemblies (7) for pulling the two arc-shaped fixing flaps (501) to squeeze the rubber covering sleeve (6) are rotatably mounted on one of the two hinged structures, and one end of the locking assembly (7) is hung and connected to the other hinged structure.

2. The crane pipe structure for connecting oil tank trucks as claimed in claim 1 is characterized in that: The hinge structure comprises a hinge seat (503), wherein the hinge seat (503) is fixedly mounted on one end of the outer edge surface of the arc-shaped fixed flap (501), and a shaft (504) is fixedly mounted between two sides of the hinge seat (503).

3. The crane pipe structure for connecting oil tank trucks as claimed in claim 2 is characterized in that: The locking assembly (7) comprises a shell (701), the shell (701) is rotatably mounted on the shaft (504), and a mounting key (702) is slidably mounted on a side of the shell (701) away from the shaft (504), and a mounting groove (703) matching the shaft (504) is provided on one side of the mounting key (702).

4. The crane pipe structure for connecting oil tank trucks as claimed in claim 3 is characterized in that: A guide groove is provided on one side of the shell (701), and a slide seat (704) is slidably arranged in the guide groove. The slide seat (704) is welded and fixed to the top end of the mounting key (702), and the inner thread of the slide seat (704) is matched with a threaded drive structure constructed on one side of the shell (701).

5. The crane pipe structure for connecting oil tank trucks as claimed in claim 4 is characterized in that: The threaded drive structure comprises two fixed seats (705), the two fixed seats (705) are respectively constructed at two ends of one side of the shell (701), and threaded rods (706) are installed in the two fixed seats (705) for common rotation, a hexagonal knob (707) is fixedly installed at one end of the threaded rod (706) facing the mounting key (702), and the sliding seat (704) is threadedly mounted on the threaded rod (706).

6. The crane pipe structure for connecting oil tank trucks as claimed in claim 5 is characterized in that: A limiting convex key (708) is configured on a side of the shell (701) away from the mounting key (702) for limiting the rotation range of the shell (701) during rotation, and the limiting convex key (708) abuts against the hinge seat (503).

7. The crane pipe structure for connecting oil tank trucks as claimed in claim 1 is characterized in that: One end of the crane pipe A (1) and the crane pipe B (2) is formed with a flange (8), and one side of the flange (8) is provided with a plurality of through grooves in a circular array.

Images