Crane pipe switching and locking device

Abstract

The utility model relates to the technical field of crane pipes, in particular to a crane pipe switching and locking device which comprises a switching pipe, an outer sealing mechanism, an inner sealing mechanism and an actuating mechanism, the switching pipe is connected with a vertical pipe of a crane pipe and provided with a discharge port, the outer sealing mechanism is installed on the switching pipe, and the inner sealing mechanism is installed on the switching pipe. The end, close to the discharging port, of the outer sealing mechanism is provided with a binding face used for being attached to the outer surface of the oil tank truck, the inner sealing mechanism comprises an inner pressing claw and a transmission assembly, the inner pressing claw is rotationally connected with the adapter pipe and provided with an inner pressing face, and the transmission assembly is rotationally connected with the end, away from the inner pressing face, of the inner pressing claw. The actuating mechanism drives the transmission assembly to drive the inner pressing face of the inner pressing claw to rotate around the adapter pipe so as to approach the attaching face. According to the crane pipe transfer locking device, the inner sealing mechanism and the outer sealing mechanism jointly clamp the oil tank truck, so that the transfer pipe and the oil tank truck are tightly attached together, and the purposes of lifting and reducing environmental pollution and energy waste caused by the crane pipe in the working process are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane pipes, in particular to a crane pipe transfer locking device. Background Art

[0002] The crane pipe is a device used for loading and unloading petroleum and chemical liquids. When loading and unloading liquids, the crane pipe rotates and stretches to accurately position the vertical pipe at the interface of the tank truck for loading and unloading operations. In traditional technology, the vertical pipe is generally connected to the interface of the tank truck through a conical seal to prevent oil and gas leakage. However, the interface of the tank truck is difficult to fit perfectly with the conical seal, resulting in a certain gap between the crane pipe and the interface of the tank truck, which leads to oil and gas leakage, causing environmental pollution and energy waste. Utility Model Content

[0003] The purpose of this application is to provide a crane pipe adapter locking device to solve the technical problem in the prior art that there is a gap between the crane pipe and the interface of the tank truck, which leads to oil and gas leakage, environmental pollution and energy waste.

[0004] A crane pipe adapter locking device is installed on the vertical pipe of the crane pipe and is used to dock with the interface of the tank truck. The crane pipe adapter locking device includes: a transfer tube, an outer sealing mechanism, an inner sealing mechanism and an actuating mechanism. The transfer tube is connected to the vertical pipe of the crane pipe and is provided with a discharge port. The outer sealing mechanism is installed on the transfer tube. The end of the outer sealing mechanism close to the discharge port has a fitting surface, and the fitting surface is used to fit with the outer surface of the tank truck. The inner sealing mechanism includes an internal pressure claw and a transmission assembly. The internal pressure claw is rotatably connected to the transfer tube and has an internal pressure surface. The transmission assembly is rotatably connected to the end of the internal pressure claw away from the internal pressure surface. The actuating mechanism drives the transmission assembly to drive the internal pressure surface of the internal pressure claw to rotate around the transfer tube to approach the fitting surface.

[0005] In one embodiment, the transfer tube includes a tube body, a support ring and a guide block, the tube body is provided with the discharge port, the support ring is connected to the outer wall of the tube body, one end of the guide block is connected to the support ring, and the other end of the guide block is rotatably connected to the inner pressure claw.

[0006] In one embodiment, the guide block is provided with a rotation groove, and the inner pressing claw is movably disposed in the rotation groove.

[0007] In one embodiment, the adapter tube further includes an adapter flange, and the adapter flange is connected to an end of the tube body away from the discharge port.

[0008] In one embodiment, the transmission assembly includes a connecting member and a transmission rod, one end of the connecting member is rotatably connected to the end of the internal pressure claw away from the internal pressure surface, the other end of the connecting member is rotatably connected to the transmission rod, the transmission rod is slidably connected to the support ring, and the actuating mechanism drives the transmission rod to slide along the support ring.

[0009] In one embodiment, the adapter tube further includes a handle connected to the tube body.

[0010] In one embodiment, the actuating mechanism is a quick-action clamp.

[0011] In one embodiment, the outer sealing mechanism includes a buffer frame and a sealing cover, the buffer frame is connected to the support ring of the transfer tube, and the sealing cover covers the buffer frame.

[0012] In one embodiment, the buffer frame includes a folding piece and a contact ring. There are multiple folding pieces, each of which is arranged around the support ring of the transfer tube and connected to the contact ring. The contact ring has the contact surface.

[0013] In one embodiment, the inner sealing mechanism further includes a buffer pad, and the buffer pad is in contact with the inner pressure surface.

[0014] The beneficial effects of the crane pipe adapter locking device provided in the present application are: the adapter pipe is connected to the vertical pipe of the crane pipe, the fitting surface of the outer sealing mechanism is fitted with the outer surface of the tank truck, and the internal pressure claw of the outer sealing mechanism enters the tank truck through the interface. Under the cooperation of the actuating mechanism and the transmission assembly, the internal pressure surface of the internal pressure claw is controlled to rotate around the adapter pipe and approach the fitting surface, and the tank truck is clamped in cooperation with the outer sealing mechanism in the tank truck. This is conducive to the cooperation of the outer sealing mechanism, the inner sealing mechanism and the actuating mechanism, so that the adapter pipe and the tank truck are tightly fitted together, avoiding oil and gas leakage in the process of feeding the material from the discharge port of the adapter pipe to the interface of the tank truck, thereby achieving the purpose of reducing environmental pollution and energy waste caused by the crane pipe during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the crane pipe adapter locking device shown in the present invention;

[0016] Figure 2 for Figure 1 The cross-sectional structural diagram of the crane pipe adapter locking device is shown.

[0017] The meanings of the numbers in the accompanying drawings are:

[0018] 100. Crane pipe transfer locking device;

[0019] 10. Adapter tube; 11. Tube body; 111. Discharge port; 12. Support ring; 13. Guide block; 131. Rotating groove; 14. Adapter flange; 15. Handle;

[0020] 20. External sealing mechanism; 21. Buffer frame; 211. Fitting surface; 212. Folding piece; 213. Fitting ring; 22. Sealing cover;

[0021] 30. Internal sealing mechanism; 31. Internal pressure claw; 311. Internal pressure surface; 32. Transmission assembly; 321. Linking member; 322. Transmission rod; 33. Buffer pad;

[0022] 40. Actuating mechanism; 41. Operating lever; 42. Fixed seat; 43. Transmission member; 44. Connecting rod. DETAILED DESCRIPTION

[0023] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0029] like Figure 1 As shown, it is a crane pipe adapter locking device 100 exemplified in the present invention, which is installed on the vertical pipe of the crane pipe and is used to connect with the interface of the tank truck.

[0030] like Figures 1 to 2 As shown, the crane pipe adapter locking device 100 includes: a adapter tube 10, an outer sealing mechanism 20, an inner sealing mechanism 30 and an actuating mechanism 40, wherein the adapter tube 10 is used to connect with the vertical pipe of the crane pipe to inject petroleum and chemical liquids into the interface of the tank truck, the outer sealing mechanism 20 is used to fit with the outer wall of the tank truck, and the inner sealing mechanism 30 is used to enter the tank truck through the interface of the tank truck. Under the drive of the actuating mechanism 40, the adapter tube 10 and the outer sealing mechanism 20 are used to clamp the tank truck together, so that the adapter tube 10 and the tank truck are tightly fitted together, avoiding oil and gas leakage in the process of feeding the discharge port 111 of the adapter tube 10 to the interface of the tank truck, thereby achieving the purpose of reducing environmental pollution and energy waste caused by the crane pipe during operation.

[0031] Below, combined Figures 1 to 2 , the above-mentioned crane pipe adapter locking device 100 is further explained.

[0032] like Figures 1 to 2 As shown, the adapter tube 10 is connected to the vertical pipe of the crane pipe and is provided with a discharge port 111. Specifically, the adapter tube 10 includes a tube body 11, a support ring 12 and a guide block 13. The tube body 11 is provided with a discharge port 111. The support ring 12 is connected to the outer wall of the tube body 11. One end of the guide block 13 is connected to the support ring 12, and the other end of the guide block 13 is connected to the inner sealing mechanism 30, which is used to guide the inner sealing mechanism 30 into the tank truck through the interface of the tank truck. The adapter tube 10 also includes a transfer flange 14, which is connected to one end of the tube body 11 away from the discharge port 111, so as to facilitate connection with the vertical pipe of the crane pipe through the transfer flange 14. Further, the adapter tube 10 also includes a handle 15, which is connected to the tube body 11 to control the position of the tube body 11.

[0033] like Figure 2 As shown, the outer sealing mechanism 20 is installed on the transfer tube 10, and the end of the outer sealing mechanism 20 close to the discharge port 111 has a fitting surface 211, and the fitting surface 211 is used to fit with the outer surface of the tank truck, wherein the outer sealing mechanism 20 includes a buffer frame 21 and a sealing cover 22, the buffer frame 21 is connected to the support ring 12 of the transfer tube 10, and has a fitting surface 211, the sealing cover 22 covers the buffer frame 21 to seal the buffer frame 21 fitted with the tank truck, specifically, the buffer frame 21 includes a folding piece 212 and a fitting ring 213, there are multiple folding pieces 212, each folding piece 212 is arranged around the support ring 12 of the transfer tube 10, and is connected to the fitting ring 213, the fitting ring 213 has a fitting surface 211, and the folding piece 212 can effectively reduce the impact force at the moment of fitting between the buffer frame 21 and the tank truck.

[0034] like Figure 2 As shown, the internal sealing mechanism 30 includes an internal pressure claw 31 and a transmission assembly 32. The internal pressure claw 31 is rotatably connected to the guide block 13 of the transfer tube 10 and has an internal pressure surface 311. The transmission assembly 32 is rotatably connected to the end of the internal pressure claw 31 away from the internal pressure surface 311. In order to improve the steering accuracy of the internal pressure claw 31, the guide block 13 is provided with a rotation groove 131, and the internal pressure claw 31 is movably arranged in the rotation groove 131. Further, the transmission assembly 32 includes a connecting member 321 and a transmission rod 322. One end of the connecting member 321 is rotatably connected to the end of the internal pressure claw 31 away from the internal pressure surface 311, and the other end of the connecting member 321 is rotatably connected to the transmission rod 322. The transmission rod 322 is slidably connected to the support ring 12, and the transmission rod 322 is driven to slide along the support ring 12 by the actuating mechanism 40. Further, the internal sealing mechanism 30 also includes a buffer pad 33, which is in contact with the internal pressure surface 311.

[0035] like Figure 2As shown, the actuating mechanism 40 is a quick clamp, which is used to drive the transmission assembly 32 to drive the internal pressure surface 311 of the internal pressure claw 31 to rotate around the transfer tube 10 to approach the fitting surface 211. Specifically, the actuating mechanism 40 includes an operating rod 41, a fixed seat 42, a transmission member 43 and a connecting rod 44. The operating rod 41 is rotatably installed on the fixed seat 42, and the fixed seat 42 is connected to the tube body 11 of the transfer tube 10. One end of the transmission member 43 is rotatably connected to the operating rod 41, and the other end is connected to the connecting rod 44. The connecting rod 44 is slidably installed on the fixed seat 42 and connected to the transmission rod 322. When in use, the operating rod 41 is rotated to control the connecting rod 44 to slide along the fixed seat 42 through the transmission member 43, thereby driving the transmission rod 322 to slide along the support ring 12.

[0036] like Figure 2 As shown, when the crane pipe adapter locking device 100 provided by the present application is used: hold the handle 15 of the adapter pipe 10, control the discharge port 111 of the pipe body 11 to connect with the interface of the tank truck, so that the inner pressure claw 31 of the inner sealing mechanism 30 enters the tank truck, until the fitting surface 211 of the buffer frame 21 of the outer sealing mechanism 20 fits with the outer wall of the tank truck, rotate the operating rod 41 of the actuating mechanism 40 to control the connecting rod 44 to slide along the fixed seat 42, drive the transmission rod 322 of the transmission assembly 32 to slide along the support ring 12 of the pipe body 11, and at the connecting member 3 Under the traction of 21, the inner pressure surface 311 of the inner pressure claw 31 is pulled to rotate toward the fitting surface 211 of the outer sealing mechanism 20 until the buffer pad 33 on the inner pressure claw 31 fits with the inner wall of the tank truck, so as to realize the connection between the crane pipe adapter locking device 100 and the tank truck. During the feeding process of the discharge port 111 of the tube body 11, the outer sealing mechanism 20 fits with the outer wall of the tank truck, effectively avoiding the leakage of the oil and chemical liquid transported at the discharge port 111, thereby achieving the purpose of reducing the environmental pollution and energy waste caused by the crane pipe during operation.

[0037] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A crane pipe adapter locking device, characterized in that: include: A transfer tube, an outer sealing mechanism, an inner sealing mechanism and an actuating mechanism, the transfer tube is provided with a discharge port, the outer sealing mechanism is installed on the transfer tube, the outer sealing mechanism has a fitting surface at one end close to the discharge port, the inner sealing mechanism includes an inner pressure claw and a transmission assembly, the inner pressure claw is rotatably connected to the transfer tube and has an inner pressure surface, the transmission assembly is rotatably connected to the end of the inner pressure claw away from the inner pressure surface, the actuating mechanism drives the transmission assembly to drive the inner pressure surface of the inner pressure claw to rotate around the transfer tube to approach the fitting surface.

2. The crane pipe adapter locking device according to claim 1, characterized in that: The transfer tube includes a tube body, a support ring and a guide block. The tube body is provided with the discharge port. The support ring is connected to the outer wall of the tube body. One end of the guide block is connected to the support ring, and the other end of the guide block is rotatably connected to the inner pressure claw.

3. The crane pipe adapter locking device according to claim 2, characterized in that: The guide block is provided with a rotation groove, and the inner pressing claw is movably arranged in the rotation groove.

4. The crane pipe adapter locking device according to claim 2, characterized in that: The adapter tube further includes an adapter flange, which is connected to an end of the tube body away from the discharge port.

5. The crane pipe adapter locking device according to claim 2, characterized in that: The transmission assembly includes a connecting member and a transmission rod, one end of the connecting member is rotatably connected to the end of the internal pressure claw away from the internal pressure surface, the other end of the connecting member is rotatably connected to the transmission rod, the transmission rod is slidably connected to the support ring, and the actuating mechanism drives the transmission rod to slide along the support ring.

6. The crane pipe adapter locking device according to claim 2, characterized in that: The transfer tube further includes a handle connected to the tube body.

7. The crane pipe adapter locking device according to claim 1, characterized in that: The actuating mechanism is a quick clamp.

8. The crane pipe adapter locking device according to claim 1, characterized in that: The outer sealing mechanism includes a buffer frame and a sealing cover. The buffer frame is connected to the transfer tube, and the sealing cover covers the buffer frame.

9. The crane pipe adapter locking device according to claim 8, characterized in that: The buffer frame includes a folding piece and a sticking ring. There are multiple folding pieces. Each folding piece is arranged around the transfer tube and connected to the sticking ring. The sticking ring has the sticking surface.

10. The crane pipe adapter locking device according to claim 1, characterized in that: The inner sealing mechanism further comprises a buffer pad, which is in contact with the inner pressure surface.

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