Drip-proof device for loading arm residual liquid

Abstract

The utility model discloses a drip-proof device for residual liquid of a crane pipe, which comprises a pipeline clasping connecting structure for fixing the tail end of the crane pipe; the residual liquid storage structure is used for collecting liquid at the tail end of the crane pipe; the up-down driving structure is arranged on one side of the pipeline holding connecting structure, one end of the up-down driving structure is connected with the residual liquid storage structure, and the up-down driving structure is used for driving the residual liquid storage structure to move up and down; the rotary driving structure is arranged below the up-down driving structure, connected with the residual liquid storage structure and used for driving the residual liquid storage structure to rotate, so that the residual liquid storage structure is located under the tail end of the loading arm when the residual liquid is received; and when the residual liquid is not received, the residual liquid storage structure leaves the lower part of the tail end of the loading arm.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane pipe loading and unloading technical field especially relates to a device for preventing dripping of crane pipe residual liquid. BACKGROUND

[0002] In oil refineries, oil depots, chemical plants and other places, various media are loaded and unloaded through crane pipes. When the crane pipe is in operation, the end pipe needs to be inserted into the tank body. When the operation is completed, the end pipe is extended out of the tank body and placed on the parking rack. During the process of returning to the parking rack, the residual medium on the end pipe wall may drip onto the tank body, the ground, etc. This dripping phenomenon not only affects the health of the operating personnel and environmental safety, but also may cause safety accidents such as fire and explosion, especially when handling flammable and explosive media.

[0003] The existing crane pipe system has not effectively solved the problem of dripping of residual medium in the end pipe. Some solutions may include adding sealing devices to the end pipe or designing special pipe structures to reduce residual medium. However, these methods often have limited effect, or have problems such as complex installation, high cost, and difficult maintenance in actual operation. For example, some sealing devices may quickly wear out due to the corrosive nature of the medium, requiring frequent replacement and increasing maintenance costs. In addition, special pipe structures may affect the loading and unloading efficiency, or are not suitable for certain operating conditions.

[0004] In view of the problems in the related art, the utility model provides a device for preventing dripping of crane pipe residual liquid. SUMMARY

[0005] The utility model aims at the defects of prior art, provides a device for preventing dripping of crane pipe residual liquid.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A device for preventing dripping of crane pipe residual liquid, comprising:

[0008] A pipe holding and connecting structure for fixing the end of the crane pipe;

[0009] A residual liquid storage structure for collecting liquid at the end of the crane pipe;

[0010] An up-down driving structure arranged on one side of the pipe holding and connecting structure, and one end of the up-down driving structure is connected with the residual liquid storage structure, for driving the residual liquid storage structure to move up and down;

[0011] A rotary driving structure arranged below the up-down driving structure and connected with the residual liquid storage structure, for driving the residual liquid storage structure to rotate, so that when the residual liquid is connected, the residual liquid storage structure is located directly below the end of the crane pipe; when the residual liquid is not connected, the residual liquid storage structure is away from the end of the crane pipe.

[0012] Further, the pipeline holding connection structure comprises a hoop, a pipeline holding connection plate and a mounting plate; the mounting plate is arranged on the top of the pipeline holding connection plate, the hoop is arranged on one side of the pipeline holding connection plate, and the hoop is fixed to the end of the crane pipe.

[0013] Further, the up-down driving structure comprises an up-down driving cylinder, a guide shaft and an optical axis connecting plate; one end of the mounting plate is provided with mounting holes corresponding to the up-down driving cylinder and the guide shaft, so that the cylinder rod of the up-down driving cylinder and the guide shaft pass through the mounting holes, the guide shaft is arranged on both sides of the up-down driving cylinder, and the optical axis connecting plate is connected to the positions close to one end of the cylinder rod of the up-down driving cylinder and the guide shaft, so that the optical axis connecting plate and the guide shaft move up and down when the cylinder rod of the up-down driving cylinder moves up and down.

[0014] Further, a sliding bushing is arranged on the guide shaft, and the sliding bushing is arranged on the mounting plate.

[0015] Further, the rotary driving structure comprises a rotary driving cylinder and a rotary cylinder connecting plate, and the rotary cylinder connecting plate is connected to the guide shaft and the rotary driving cylinder on both sides.

[0016] Further, the residual liquid storage structure comprises a residual liquid box connecting plate and a residual liquid box, the residual liquid box is arranged on one end of the residual liquid box connecting plate, the cylinder rod of the rotary driving cylinder is connected to the other end of the residual liquid box connecting plate, so that the cylinder rod of the rotary driving cylinder drives the residual liquid box connecting plate to rotate, and then drives the residual liquid box to rotate.

[0017] Further, the rotary driving cylinder is further connected with a rotary cylinder pneumatic joint.

[0018] Further, the up-down driving cylinder is further connected with an up-down cylinder pneumatic joint.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. effectively prevent dripping: by installing the residual liquid box at the end of the crane pipe, and controlling the up-down movement of the residual liquid box by the cylinder and the rotation of the residual liquid box by the rotary cylinder, the liquid on the pipe wall is effectively collected, and the residual medium is prevented from dripping on the tank, the ground and the like, thereby solving the dripping problem in the prior art.

[0021] 2. improve safety: for loading and unloading of flammable and explosive medium, safety accidents caused by leakage can be effectively prevented, the risk of fire and explosion is reduced, and the life safety of on-site workers is guaranteed.

[0022] 3. environmental protection is improved: by preventing residual medium from dripping, pollution to soil and water sources is reduced, environmental protection is improved, enterprises can comply with environmental protection regulations, and environmental pollution responsibility is reduced.

[0023] 4. Easy to operate: The device has a reasonable structure design, and is easy to install and maintain. It does not require complex operation procedures and is easy for workers to understand and use.

[0024] 5. Reduce maintenance cost: The design of the device reduces medium leakage, and the corresponding cleaning and maintenance workload is also reduced accordingly, thereby reducing the maintenance cost.

[0025] 6. Improve loading and unloading efficiency: The device does not affect the normal loading and unloading process of the crane pipe, and does not increase additional operation steps, so it does not reduce the loading and unloading efficiency.

[0026] 7. Structural stability: The use of guide shaft and sliding bushing design ensures the stability of the residual liquid box during movement, reducing liquid splashing caused by shaking. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 is a structure diagram of a drip-proof device for residual liquid of a crane pipe provided by the embodiment;

[0028] Fig. 2 is a side view of the drip-proof device provided by the embodiment;

[0029] Fig. 3 is a top view of the drip-proof device provided by the embodiment;

[0030] Fig. 4 is a schematic view of the residual liquid box of the drip-proof device provided by the embodiment away from the lower side of the end of the crane pipe;

[0031] Fig. 5 is a side view of the drip-proof device provided by the embodiment;

[0032] Fig. 6 is a top view of the drip-proof device provided by the embodiment;

[0033] Among them, 1. Pipeline clamping connection structure; 11. Clamp; 12. Pipeline clamping connection plate; 13. Installation plate; 2. Up and down driving structure; 21. Up and down driving cylinder; 22. Guide shaft; 23. Optical axis connection plate; 24. Sliding bushing; 25. Up and down cylinder pneumatic joint; 3. Rotary driving structure; 31. Rotary driving cylinder; 32. Rotary cylinder connection plate; 33. Rotary cylinder pneumatic joint; 4. Residual liquid storage structure; 41. Residual liquid box connection plate; 42. Residual liquid box. DETAILED DESCRIPTION

[0034] The following embodiments and features in the embodiments can be combined with each other without conflict, if necessary.

[0035] The utility model discloses a kind of drip-proof devices for residual liquid of crane pipe, which is to solve the defects of prior art.

[0036] Embodiment

[0037] The embodiment provides a drip-proof device for residual liquid of crane pipe, as shown in Figs. 1-6 Including pipeline clamping connection structure 1, up-down driving structure 2, rotary driving structure 3, residual liquid storage structure 4.

[0038] Pipeline clamping connection structure 1 includes clamp 11, pipeline clamping connection plate 12, mounting plate 13.

[0039] Pipeline clamping connection plate 12 is a right-angle normal quadrangular pyramid, so that the top of pipeline clamping connection plate 12 is a plane, and one side is a plane at right angles with the top, so that mounting plate 13 is fixedly installed on the top of pipeline clamping connection plate 12 by welding, threaded connection or the like, and clamp 11 is fixedly installed on one side of pipeline clamping connection plate 12 by welding, threaded connection or the like, and in the embodiment, two clamps 11 can be arranged on the upper and lower positions of one side of pipeline clamping connection plate 12, so that clamp 11 stably fixes the end of crane pipe.

[0040] It should be noted that the length of mounting plate 13 can be slightly greater than the plane of the top of pipeline clamping connection plate 12, or can be the same; if greater, one end of mounting plate 13 is connected in flush with one end (close to one end of clamp 11) of the top of pipeline clamping connection plate 12, and the other end of mounting plate 13 can exceed the other end of the top of pipeline clamping connection plate 12.

[0041] Up-down driving structure 2 includes up-down driving cylinder 21, at least two guide shafts 22, optical axis connecting plate 23, at least two sliding bushings 24, and up-down cylinder pneumatic joint 25.

[0042] The middle position of the other end of the mounting plate 13 is provided with a first mounting hole matched with the cylinder rod of the up-down driving cylinder 21, so that the cylinder body of the up-down driving cylinder 21 is fixedly installed on the mounting plate 13 by welding, threaded connection or the like. The cylinder rod of the up-down driving cylinder 21 penetrates through the first mounting hole and is used to drive the up-down movement of the residual liquid containing structure. The cylinder body of the up-down driving cylinder 21 is further connected with an up-down cylinder pneumatic connector 25, which is used to provide a pneumatic control signal to the up-down driving cylinder 21.

[0043] The positions close to the two sides of the other end of the mounting plate 13 are each provided with a second mounting hole matched with the guide shaft 22, and two sliding bushings 24 are respectively arranged on the corresponding second mounting holes. The two sliding bushings 24 are fixedly installed on the mounting plate 13 by welding, threaded connection or the like, so that the two guide shafts 22 respectively penetrate through the corresponding sliding bushings 24 and second mounting holes. The guide shaft 22 is used to prevent the residual liquid containing structure from shaking, and the sliding bushing 24 can reduce the friction when the guide shaft 22 moves.

[0044] The optical axis connecting plate 23 is provided with openings matched with the cylinder rod of the up-down driving cylinder 21 and the two guide shafts 22. One end of the cylinder rod of the up-down driving cylinder 21 is arranged at the corresponding opening and is fixedly connected with the optical axis connecting plate 23 by welding, threaded connection or the like. One end of the two guide shafts 22 penetrates through the opening and is fixedly connected with the optical axis connecting plate 23 by welding, threaded connection or the like at the position close to the one end, so that the cylinder rod of the up-down driving cylinder 21 and the guide shaft 22 are connected as a whole and realize synchronous movement.

[0045] The rotary driving structure 3 includes a rotary driving cylinder 31, a rotary cylinder connecting plate 32 and a rotary cylinder pneumatic connector 33.

[0046] One side of the rotary cylinder connecting plate 32 is fixedly connected with one end of the two guide shafts 22 by welding, threaded connection or the like. The other side of the rotary cylinder connecting plate 32 is fixedly connected with the rotary driving cylinder 31 by welding, threaded connection or the like. The rotary cylinder pneumatic connector 33 is arranged on the cylinder body of the rotary driving cylinder 31.

[0047] The rotary driving cylinder 31 is used to control the rotation of the residual liquid containing structure 4. The rotary cylinder connecting plate 32 is used to fix the rotary driving cylinder 31. The rotary cylinder pneumatic connector 33 is used to provide a pneumatic control signal to the rotary driving cylinder 31.

[0048] The residual liquid containing structure 4 includes a residual liquid box connecting plate 41 and a residual liquid box 42.

[0049] The residual liquid box connecting plate 41 is a rectangular plate. One end of the residual liquid box connecting plate 41 is fixedly connected with the cylinder rod of the rotary driving cylinder 31 by welding, threaded connection or the like.

[0050] The residual liquid box connecting plate 41 is used to fix the residual liquid box 42 and can also drive the residual liquid box 42 to rotate; the residual liquid box 42 is used to collect the residual liquid dropped from the end of the gooseneck to prevent dripping.

[0051] The residual liquid box 42 is in a square structure with an open top and a hollow interior, which is used to collect the liquid at the end of the gooseneck; the residual liquid box 42 is fixed on the other end of the residual liquid box connecting plate 41 by welding, threaded connection or other methods, so that the cylinder rod of the rotary drive cylinder 31 drives the residual liquid box connecting plate 41 to rotate, and then drives the residual liquid box 42; that is, when the residual liquid is connected, the residual liquid box 42 is located directly below the end of the gooseneck; when the residual liquid is not connected, the residual liquid box 42 is away from the end of the gooseneck.

[0052] The use mode of the residual liquid dripping prevention device for the gooseneck in the embodiment is as follows:

[0053] In the initial state, the end of the gooseneck is clamped by the hoop 11, and the residual liquid box 42 is located at the end of the gooseneck.

[0054] Before the medium is loaded or unloaded:

[0055] The up-and-down drive cylinder 21 is provided with a pneumatic signal through the up-and-down cylinder pneumatic connector 25, so that the cylinder rod of the up-and-down drive cylinder 21 is extended to drive the guide shaft 22 and the light shaft connecting plate 23 to descend; at this time, the guide shaft 22 moves along the sliding bushing 24, and then the residual liquid box 42 descends to a position directly below the end of the gooseneck; at this time, the residual liquid box 42 is ready to receive the residual liquid dropped from the end of the gooseneck; as shown in Figs. 1-3 .

[0056] During the loading or unloading of the medium:

[0057] The medium at the end of the gooseneck can drop into the residual liquid box 42, avoiding dripping into the tank or the ground.

[0058] After the loading or unloading of the medium is completed:

[0059] The residual liquid box 42 is rotated 90 degrees by the rotary drive cylinder 31 provided with a pneumatic signal through the rotary cylinder pneumatic connector 33, so that the cylinder rod of the rotary drive cylinder 31 drives the residual liquid box connecting plate 41 and the residual liquid box 42 to rotate 90 degrees, and the residual liquid box 42 is away from the position directly below the end of the gooseneck.

[0060] At the same time, the cylinder rod of the up-and-down drive cylinder 21 is retracted to drive the guide shaft 22 and the light shaft connecting plate 23 to ascend, so that the residual liquid box 42 ascends to a certain height to avoid entering the tank opening; as shown in Figs. 4-6 .

[0061] Maintenance and inspection:

[0062] The working state of the pneumatic connector and the cylinder is checked regularly to ensure that there is no leakage and the cylinder operates smoothly.

[0063] Check the wear of the sliding bushing 24 and the guide shaft 22, and replace them if necessary to maintain the stable movement of the residual liquid box 42.

[0064] Check the sealing of the residual liquid box 42 to ensure no leakage and clean the residual liquid in the residual liquid box regularly.

[0065] The hose drip-proof device of the embodiment has simple structure, convenient operation, can effectively prevent medium dripping, reduce environmental pollution and safety risk, has low maintenance cost, durable components, and strong adaptability, and is suitable for loading and unloading operations of various media.

[0066] Note that the above is only the preferred embodiment of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A drip prevention device for a swivel residual liquid, characterized by, The utility model relates to a pipeline end connection structure, which comprises the following parts: a pipeline clamping connection structure for fixing the end of a crane pipe; a residual liquid receiving structure for collecting liquid at the end of the crane pipe; an up-down driving structure arranged on one side of the pipeline clamping connection structure, one end of the up-down driving structure being connected to the residual liquid receiving structure, and the up-down driving structure being used to drive the residual liquid receiving structure to move up and down; a rotary driving structure arranged below the up-down driving structure and connected to the residual liquid receiving structure, and the rotary driving structure being used to drive the residual liquid receiving structure to rotate, so that the residual liquid receiving structure is located directly below the end of the crane pipe when collecting residual liquid, and the residual liquid receiving structure is away from the end of the crane pipe when not collecting residual liquid.

2. A drip prevention device for a swivel residual liquid according to claim 1, characterized in that The pipeline clamping connection structure comprises a clamp, a pipeline clamping connection plate, and a mounting plate, the mounting plate being arranged on the top of the pipeline clamping connection plate, and the clamp being arranged on one side of the pipeline clamping connection plate and used to fix the end of the crane pipe.

3. A drip prevention device for a swivel residual liquid according to claim 2, characterized in that The up-down driving structure comprises an up-down driving cylinder, a guide shaft, and a light shaft connecting plate, one end of the mounting plate being provided with mounting holes corresponding to the up-down driving cylinder and the guide shaft, so that the cylinder rod of the up-down driving cylinder and the guide shaft pass through the mounting holes, the guide shaft is arranged on both sides of the up-down driving cylinder, and the light shaft connecting plate is connected to the positions close to one end of the cylinder rod of the up-down driving cylinder and the guide shaft, so that the cylinder rod of the up-down driving cylinder drives the light shaft connecting plate and the guide shaft to move up and down when the cylinder rod moves up and down.

4. The drip prevention device for a swivel residual liquid according to claim 3, wherein A sliding bushing is arranged on the guide shaft and mounted on the mounting plate.

5. The drip prevention device for a swivel hose residual liquid according to claim 3, wherein The rotary driving structure comprises a rotary driving cylinder and a rotary cylinder connecting plate, the rotary cylinder connecting plate being connected to the guide shaft and the rotary driving cylinder on both sides.

6. A drip prevention device for a swivel residual liquid according to claim 5, characterized in that The residual liquid receiving structure comprises a residual liquid box connecting plate and a residual liquid box, the residual liquid box being arranged on one end of the residual liquid box connecting plate, and the cylinder rod of the rotary driving cylinder being connected to the other end of the residual liquid box connecting plate, so that the cylinder rod of the rotary driving cylinder drives the residual liquid box connecting plate to rotate, and then drives the residual liquid box to rotate.

7. A drip prevention device for a swivel residual liquid according to claim 6, characterized in that The rotary driving cylinder is further connected to a rotary cylinder pneumatic connector.

8. The anti-dripping device for the swab return line according to claim 3, characterized in that, The up-down driving cylinder is further connected to an up-down cylinder pneumatic connector.

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