Swing type low-temperature ethylene closed loading and unloading truck loading arm

Abstract

The swing type low-temperature ethylene closed loading and unloading truck loading arm comprises a fixing cylinder, a lifting groove is formed in the outer side of the fixing cylinder, a lifting unit is arranged on the outer side of the lifting groove, the lifting unit comprises a lifting block, the lifting block is connected to the inner side of the lifting groove in a sliding mode, and the lifting block is connected with the lifting groove in a sliding mode. A lifting ring is fixedly connected to one side of the lifting block, a stabilizing block is fixedly connected to the other side of the lifting block and located on the inner side of the fixing cylinder, a moving block is fixedly connected to the outer side of the stabilizing block, a screw is rotatably connected to the inner side of the fixing cylinder, and a first rotating block is fixedly connected to the outer side of the lifting ring. The outer side of the first rotating block is rotationally connected with a main pipe. By arranging the fixed cylinder, the lifting groove, the lifting block, the lifting ring, a screw rod, a moving block, a main pipe, a conveying pipe and an ethylene filling pipe, the height of the ethylene filling pipe can be conveniently adjusted by rotating the screw rod, operation is easy, and the device is suitable for being used by workers with different occupational qualities.

Description

Technical Field

[0001] The utility model relates to the field of ethylene closed loading and unloading, in particular to a swing type cryogenic ethylene closed loading and unloading truck loading arm. Background Technique

[0002] The ethylene closed loading and unloading truck loading arm is a special equipment used in the petrochemical industry for the safe and efficient loading and unloading of flammable and explosive gases such as ethylene. It is connected to a rigid pipe and an elbow through a rotary joint, replacing the traditional hose connection method.

[0003] When loading and unloading ethylene, it is necessary to use the loading arm to fill ethylene. When filling, when filling ethylene into the filling ports at different heights on the loading truck, it is necessary to switch the height of the loading arm. The height adjustment of the loading arm requires staff with high professional qualities to adjust. It is not easy for staff with professional qualities to adjust the height, which brings trouble to the staff. Content of the Utility Model

[0004] In order to overcome the deficiency that it is not easy to adjust the height of the filling head of the loading arm in the prior art, one of the purposes of the utility model is to provide a swing type cryogenic ethylene closed loading and unloading truck loading arm.

[0005] One of the purposes of the utility model is realized by adopting the following technical scheme: a swing type cryogenic ethylene closed loading and unloading truck loading arm, including a fixed cylinder: a lifting groove is arranged on the outer side of the fixed cylinder, and a lifting unit is arranged on the outer side of the lifting groove;

[0006] The lifting unit includes a lifting block, the lifting block is slidably connected to the inner side of the lifting groove, a lifting ring is fixedly connected to one side of the lifting block, a stabilizing block is fixedly connected to the other side of the lifting block and located inside the fixed cylinder, a moving block is fixedly connected to the outer side of the stabilizing block, a screw rod is rotatably connected to the inner side of the fixed cylinder, a rotating block one is fixedly connected to the outer side of the lifting ring, a main pipe is rotatably connected to the outer side of the rotating block one, a fixing plate is fixedly connected to the right end of the main pipe, a rotating block two is fixedly connected to the right side of the fixing plate, a conveying pipe is rotatably connected to the outer side of the rotating block two, and an ethylene filling pipe is fixedly connected to the lower side of the conveying pipe.

[0007] According to the swing type cryogenic ethylene closed loading and unloading truck loading arm, the screw rod is in threaded connection with the moving block. It is convenient to control the up and down movement of the moving block.

[0008] According to the swing type cryogenic ethylene closed loading and unloading truck loading arm, the upper end of the screw rod passes through the upper side of the fixed cylinder and is fixedly connected with a turning handle. It is convenient to control the rotation of the screw rod.

[0009] According to the described swing - type cryogenic ethylene closed loading and unloading crane pipe, a top plate is fixedly connected to the upper side of the lifting ring. A third rotating block is fixedly connected to the right side of the top plate. The outer side of the third rotating block is rotatably connected to a first hydraulic rod. A fourth rotating block is fixedly connected to the upper side of the main pipe. The fourth rotating block is rotatably connected to the first hydraulic rod. A first connecting block is fixedly connected to the front side of the fixing plate. The outer side of the first connecting block is rotatably connected to a second hydraulic rod. A second connecting block is fixedly connected to the outer side of the conveying pipe. The second connecting block is rotatably connected to the second hydraulic rod. This facilitates controlling the rotation of the main pipe and the conveying pipe.

[0010] According to the described swing - type cryogenic ethylene closed loading and unloading crane pipe, both the first hydraulic rod and the second hydraulic rod are arranged in an inclined structure.

[0011] According to the described swing - type cryogenic ethylene closed loading and unloading crane pipe, a connecting pipe is fixedly connected between the main pipe and the conveying pipe. This facilitates the transportation of ethylene.

[0012] Beneficial effects:

[0013] By providing a fixed cylinder, a lifting groove, a lifting block, a lifting ring, a screw rod, a moving block, a main pipe, a conveying pipe and an ethylene filling pipe, it is convenient to control the height adjustment of the ethylene filling pipe by rotating the screw rod. The operation is simple and suitable for workers with different professional qualities.

[0014] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the drawings

[0015] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the overall three - dimensional structure diagram of a swing - type cryogenic ethylene closed loading and unloading crane pipe of the present utility model;

[0017] Figure 2 It is Figure 1 The enlarged view at A in

[0018] Figure 3 It is the sectional three - dimensional structure diagram of a swing - type cryogenic ethylene closed loading and unloading crane pipe of the present utility model;

[0019] Figure 4 It is Figure 3 The enlarged view at B in

[0020] Legend description:

[0021] 1. Fixed cylinder; 2. Lifting groove; 3. Lifting unit; 301. Lifting block; 302. Lifting ring; 303. Stabilizing block; 304. Moving block; 305. Screw; 306. Turning handle; 4. First rotating block; 5. Main pipe; 6. Fixed plate; 7. Connecting pipe; 8. Second rotating block; 9. Delivery pipe; 10. Ethylene filling pipe; 11. Top plate; 12. Third rotating block; 13. First hydraulic rod; 14. Fourth rotating block; 15. First connecting block; 16. Second hydraulic rod; 17. Second connecting block. Detailed implementation mode

[0022] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0023] Refer to Figures 1-4 , a swing - type cryogenic ethylene sealed loading and unloading crane pipe, including a fixed cylinder 1: a lifting groove 2 is provided on the outer side of the fixed cylinder 1, and a lifting unit 3 is arranged on the outer side of the lifting groove 2. The lifting unit 3 is convenient for controlling the height of the ethylene filling pipe 10.

[0024] The lifting unit 3 includes a lifting block 301. The lifting block 301 is slidably connected to the inner side of the lifting groove 2. One side of the lifting block 301 is fixedly connected with a lifting ring 302. The other side of the lifting block 301 and inside the fixed cylinder 1 is fixedly connected with a stabilizing block 303. The outer side of the stabilizing block 303 is fixedly connected with a moving block 304. A screw 305 is rotatably connected to the inner side of the fixed cylinder 1. The outer side of the lifting ring 302 is fixedly connected with a first rotating block 4. The outer side of the first rotating block 4 is rotatably connected to a main pipe 5. The right end of the main pipe 5 is fixedly connected with a fixed plate 6. The right side of the fixed plate 6 is fixedly connected with a second rotating block 8. The outer side of the second rotating block 8 is rotatably connected to a delivery pipe 9. The lower side of the delivery pipe 9 is fixedly connected with an ethylene filling pipe 10. The screw 305 is threadedly connected to the moving block 304. The upper end of the screw 305 passes through the upper side of the fixed cylinder 1 and is fixedly connected with a turning handle 306. A connecting pipe 7 is fixedly connected between the main pipe 5 and the delivery pipe 9. When in use, rotate the turning handle 306. The turning handle 306 drives the screw 305 to rotate. The screw 305 drives the moving block 304 to move up and down. The moving block 304 drives the stabilizing block 303 to move. The stabilizing block 303 drives the lifting block 301 to move. The lifting block 301 drives the lifting ring 302 to move up and down. The lifting ring 302 drives the main pipe 5 on the first rotating block 4 to move up and down. The main pipe 5 drives the ethylene filling pipe 10 on the delivery pipe 9 on the fixed plate 6 to move up and down, which is convenient for controlling the height of the ethylene filling pipe 10. The operation is simple and suitable for workers with different professional qualities to use.

[0025] The upper side of the lifting ring 302 is fixedly connected with a top plate 11. The right side of the top plate 11 is fixedly connected with a third rotating block 12. The outer side of the third rotating block 12 is rotatably connected with a first hydraulic rod 13. The upper side of the main pipe 5 is fixedly connected with a fourth rotating block 14. The fourth rotating block 14 is rotatably connected with the first hydraulic rod 13. The front side of the fixing plate 6 is fixedly connected with a first connecting block 15. The outer side of the first connecting block 15 is rotatably connected with a second hydraulic rod 16. The outer side of the conveying pipe 9 is fixedly connected with a second connecting block 17. The second connecting block 17 is rotatably connected with the second hydraulic rod 16. Both the first hydraulic rod 13 and the second hydraulic rod 16 are arranged in an inclined structure. When in use, by controlling the first hydraulic rod 13, the main pipe 5 is driven to rotate in the up and down direction. The main pipe 5 drives the ethylene filling pipe 10 on the conveying pipe 9 to rotate. Then, by controlling the second hydraulic rod 16, the conveying pipe 9 is driven to rotate in the front and back direction. The conveying pipe 9 drives the ethylene filling pipe 10 to rotate, which is convenient for controlling the angle of the ethylene filling pipe 10.

[0026] Working principle: When in use, the staff first rotates the rotating handle 306. The rotating handle 306 drives the screw rod 305 to rotate. Under the action of the moving block 304, the stabilizing block 303, the lifting block 301 and the lifting ring 302, it is convenient to control the height of the lifting ring 302 to control the ethylene filling pipe 10. The operation is simple. Then, through the first hydraulic rod 13 and the second hydraulic rod 16, the swinging of the ethylene filling pipe 10 is controlled to control the position of the ethylene filling pipe 10.

[0027] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field to which the present invention pertains, various changes can also be made without departing from the gist of the present invention.

Claims

1. A swing type low temperature ethylene closed loading and unloading crane, characterized in that: It comprises a fixed cylinder (1); a lifting groove (2) is provided on the outer side of the fixed cylinder (1); and a lifting unit (3) is provided on the outer side of the lifting groove (2); The lifting unit (3) comprises a lifting block (301), the lifting block (301) is slidably connected to the inner side of the lifting groove (2), a lifting ring (302) is fixedly connected to one side of the lifting block (301), a stabilizing block (303) is fixedly connected to the other side of the lifting block (301) and located on the inner side of the fixed cylinder (1), a moving block (304) is fixedly connected to the outer side of the stabilizing block (303), a screw rod (305) is rotatably connected to the inner side of the fixed cylinder (1), a rotating block 1 (4) is fixedly connected to the outer side of the lifting ring (302), a main pipe (5) is rotatably connected to the outer side of the rotating block 1 (4), a fixed plate (6) is fixedly connected to the right end of the main pipe (5), a rotating block 2 (8) is fixedly connected to the right side of the fixed plate (6), a conveying pipe (9) is rotatably connected to the outer side of the conveying pipe (9), and an ethylene filling pipe (10) is fixedly connected to the lower side of the conveying pipe (9).

2. A swing type low temperature ethylene closed loading and unloading truck crane according to claim 1, characterized in that: The screw rod (305) is threadedly connected to the moving block (304).

3. The swing type low temperature ethylene closed loading and unloading truck crane according to claim 1 is characterized in that: The upper end of the screw rod (305) passes through the upper side of the fixed cylinder (1) and is fixedly connected to a turning handle (306).

4. The swing type low temperature ethylene closed loading and unloading truck crane according to claim 1 is characterized in that: The upper side of the lifting ring (302) is fixedly connected to a top plate (11), the right side of the top plate (11) is fixedly connected to a rotating block three (12), the outer side of the rotating block three (12) is rotatably connected to a hydraulic rod one (13), the upper side of the main pipe (5) is fixedly connected to a rotating block four (14), the rotating block four (14) is rotatably connected to the hydraulic rod one (13), the front side of the fixed plate (6) is fixedly connected to a connecting block one (15), the outer side of the connecting block one (15) is rotatably connected to a hydraulic rod two (16), the outer side of the conveying pipe (9) is fixedly connected to a connecting block two (17), the connecting block two (17) is rotatably connected to the hydraulic rod two (16).

5. A swing type low temperature ethylene closed loading and unloading truck crane according to claim 4, characterized in that: The hydraulic rod 1 (13) and the hydraulic rod 2 (16) are both arranged in an inclined structure.

6. The swing type low temperature ethylene closed loading and unloading truck crane according to claim 1 is characterized in that: A connecting pipe (7) is fixedly connected between the main pipe (5) and the delivery pipe (9).

Images