CN213576790U

CN213576790U - LNG loading and unloading arm convenient to maintain

Info

Publication number: CN213576790U
Application number: CN202021757915.4U
Authority: CN
Inventors: 孙艳玲; 刘旭斌; 戴仁奎; 周州
Original assignee: Lianyungang Enfa Machinery Co ltd
Current assignee: Lianyungang Enfa Machinery Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-29
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a LNG loading and unloading arm convenient to maintain, including support frame, fly leaf and LNG loading and unloading arm body, the fly leaf top symmetry is fixed with the backup pad, two fixed arc board that is provided with between the backup pad top, fixed arc board top one side is fixed and is provided with the connecting axle, the connecting axle top is rotated and is provided with the connecting plate; through install movable arc board and fixed arc board additional on fly leaf top, give its effective support at LNG loading and unloading arm body bottom, prevent it in transmission process, middle stress concentration, avoid LNG loading and unloading arm body and the unfavorable problem of ground container connection, further improve the safe efficiency of LNG loading and unloading arm body transmission, guarantee goods and materials and staff's safety, set up the spout through bilateral symmetry in the support frame is inside, the staff of being convenient for adjusts the height that LNG loading and unloading arm body and ground container docked, be applicable to not co-altitude ground container notch and dock, make its range of application more extensive.

Description

LNG loading and unloading arm convenient to maintain

Technical Field

The utility model relates to a liquid energy transportation technical field especially relates to a LNG loading and unloading arm convenient to maintain.

Background

LNG is an abbreviation for Liquefied Natural Gas (LNG), and unloading is the pressurization of a carrier vehicle by an LNG carrier vehicle through a pressurizer to move LNG from within the carrier vehicle through the outlet of the carrier vehicle to an external storage tank. The loading and unloading of the LNG transport vehicle can be carried out without a booster or by using a cryogenic pump instead. An LNG loading arm is a device used to effect transfer of LNG between surface equipment and a liquid tanker or other movable container.

However, in the use process of the existing LNG loading and unloading arm, workers need to drag the loading and unloading arm to be connected with the transport tank car manually, the labor intensity of the workers is increased, the bottom end of the loading and unloading arm is not supported, stress concentration in the middle of the loading and unloading arm is easily caused in the transmission process, and the problem that the loading and unloading arm is not connected with a ground container is solved, and therefore the LNG loading and unloading arm convenient to maintain is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a LNG loading and unloading arm convenient to maintain can all bring and give its effective support in LNG loading and unloading arm body bottom, prevents it in transmission process, and middle stress is concentrated, avoids LNG loading and unloading arm body and ground container to be connected the technological effect of unfavorable problem.

In order to solve the technical problem, the utility model provides a following technical scheme: an LNG loading arm convenient to maintain comprises a support frame, a movable plate and an LNG loading arm body, wherein the top end of the movable plate is symmetrically fixed with support plates, a fixed arc plate is fixedly arranged between the top ends of the two support plates, one side of the top end of the fixed arc plate is fixedly provided with a connecting shaft, the top end of the connecting shaft is rotatably provided with a connecting plate, the top end of the connecting plate is fixedly provided with a movable arc plate, the top end of one side of the fixed arc plate, away from the connecting shaft, is fixedly provided with a strip seat, the outer side of the strip seat is symmetrically fixed with a tension spring, one end of the tension spring, away from the strip seat, is fixedly provided with a cap, the middle of the inner side of the cap is fixedly provided with an inserted bar, the top end of the strip seat is provided with an inserted plate, the LNG loading arm body is located between the movable arc plate and the fixed arc plate.

As a preferred technical scheme of the utility model, the spout has been seted up to the inside bilateral symmetry of support frame, the inside spacing slider that is provided with of spout, the fly leaf is located between two spacing sliders and fixed connection with it, two symmetrical fixed hanging blocks that are provided with in fly leaf bottom, hanging block bottom mounting is provided with the bracing, two the bottom mounting is provided with the support between the bracing, the support bottom mounting is provided with the internal thread pipe, internal thread pipe bottom is rotated and is provided with the screw rod, the screw rod bottom mounting is provided with second bevel gear, second bevel gear bottom one side meshing has first bevel gear, first bevel gear deviates from the fixed bull stick that is provided with in second bevel gear one side, the bull stick runs through support frame one side, the bull stick is located the fixed commentaries on classics handle that is provided with in.

As an optimized technical scheme of the utility model, activity arc board and fixed arc board opposite side are all fixed and are provided with the rubber pad, W shape anti-skidding line has been seted up on the rubber pad surface.

As a preferred technical scheme of the utility model, the fixed universal wheel that is provided with in support frame bottom both sides, the activity of universal wheel top is provided with the fixed piece of stopping.

As an optimal technical scheme of the utility model, block outside cross-section is the arc, S-shaped anti-skidding line has been seted up to the block lateral surface.

As an optimal technical scheme of the utility model, connecting plate bottom axial cross-section is the arc that corresponds with the connecting axle, the connecting plate all is scribbled the lubricant film with the connecting axle contact surface.

As an optimal technical scheme of the utility model, spout and spacing slider transverse section are triangle-shaped, spout and spacing slider surface all are equipped with the lubricant film.

As an optimal technical scheme of the utility model, change and seted up X shape anti-skidding line to the outside, X shape anti-skidding line is changeing outside evenly distributed.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through install activity arc board and fixed arc board additional on fly leaf top, give its effective support at LNG loading and unloading arm body bottom, prevent it in transmission process, middle stress concentration avoids LNG loading and unloading arm body and ground container to be connected unfavorable problem, further improves the safe efficiency of LNG loading and unloading arm body transmission, guarantees goods and materials and staff's safety.

2. The sliding grooves are symmetrically formed in the two sides of the support frame, so that the working personnel can adjust the height of the LNG loading arm body in butt joint with the ground container, the LNG loading arm body is suitable for butt joint of notches of the ground containers with different heights, and the LNG loading arm is wider in application range.

Drawings

Fig. 1 is a schematic structural view of an LNG loading arm maintained by the present invention;

FIG. 2 is a schematic view of the top view structure of the limiting slider of the present invention;

FIG. 3 is a schematic view of the structure of the fixed arc plate of the present invention;

FIG. 4 is a schematic view of the strip seat structure of the present invention;

FIG. 5 is an enlarged view of a portion a of FIG. 3;

wherein: 1. a support frame; 2. a rotating rod; 3. turning a handle; 4. a first bevel gear; 5. a second bevel gear; 6. an internally threaded tube; 7. an internally threaded tube; 8. a support; 9. bracing; 10. a hanging block; 11. a movable plate; 12. a chute; 13. a limiting slide block; 14. a support plate; 15. a movable arc plate; 16. fixing the arc plate; 17. a connecting plate; 18. a connecting shaft; 19. a strip seat; 20. capping; 21. inserting plates; 22. a tension spring; 23. inserting a rod; 24. a rubber pad; 25. a slot; 26. LNG loading and unloading arm body.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 3, 4 and 5, an LNG loading and unloading arm convenient for maintenance comprises a support frame 1, a movable plate 11 and an LNG loading and unloading arm body 26, wherein support plates 14 are symmetrically fixed at the top end of the movable plate 11, a fixed arc plate 16 is fixedly arranged between the top ends of the two support plates 14, a connecting shaft 18 is fixedly arranged at one side of the top end of the fixed arc plate 16, a connecting plate 17 is rotatably arranged at the top end of the connecting shaft 18, a movable arc plate 15 is fixedly arranged at the top end of the connecting plate 17, a bar seat 19 is fixedly arranged at the top end of the fixed arc plate 16 far away from the connecting shaft 18, tension springs 22 are symmetrically and fixedly arranged at the outer side of the bar seat 19, a cap 20 is fixedly arranged at one end of the tension spring 22 far away from the bar seat 19, an inserting rod 23 is fixedly arranged in the middle of the inner side of the, the inserted bar 23 penetrates through the tension spring 22, the slot 25 and the inserted plate 21, one end of the inserted bar 23 is positioned inside the bar seat 19, and the LNG loading and unloading arm body 26 is positioned between the movable arc plate 15 and the fixed arc plate 16.

By additionally arranging the movable arc plate 15 and the fixed arc plate 16 at the top end of the movable plate 11, when the LNG loading arm body 26 needs to be butted with a ground container, the LNG loading arm body 26 is moved and moved to the inside of the top end of the fixed arc plate 16, the movable arc plate 15 is rotated, the movable arc plate 15 drives the connecting plate 17 and the inserting plate 21 to rotate, until the inserting plate 21 is inserted into the slot 25 at the top end of the bar seat 19 and contacts with the inserting rod 23, the cap 20 is pulled, the cap 20 drives the tension spring 22 to stretch, the cap 20 drives the inserting rod 23 to move at the same time, until one end of the inserting rod 23 is separated from the bottom end of the inserting plate 21, the inserting plate 21 and the movable arc plate 15 continue to be inserted into the slot 25, when the inserting plate 21 contacts with the inside of the bar seat 19, the inserting plate 21 stops being inserted, the cap 20 is released, the tension spring 22 resets under the elastic action of itself, the tension spring 22 drives the cap, thereby accomplish the spacing fixed of picture peg 21, accomplish simultaneously and fix LNG loading and unloading arm body 26 is spacing, give its effective support at LNG loading and unloading arm body 26 bottom, prevent that it is in the transmission course, and middle stress is concentrated, avoids LNG loading and unloading arm body 26 and ground container to be connected unfavorable problem, further improves the safe efficiency of LNG loading and unloading arm body 26 transmission, guarantees goods and materials and staff's safety.

In another embodiment, as shown in fig. 1 and fig. 2, in this embodiment, sliding grooves 12 are symmetrically formed in two sides inside a support frame 1, limiting sliding blocks 13 are arranged inside the sliding grooves 12, a movable plate 11 is located between the two limiting sliding blocks 13 and is fixedly connected with the two limiting sliding blocks 13, two hanging blocks 10 are symmetrically and fixedly arranged at the bottom end of the movable plate 11, inclined struts 9 are fixedly arranged at the bottom ends of the hanging blocks 10, a support 8 is fixedly arranged at the bottom end between the two inclined struts 9, an internal threaded pipe 6 is fixedly arranged at the bottom end of the support 8, a screw 7 is rotatably arranged at the bottom end of the internal threaded pipe 6, a second bevel gear 5 is fixedly arranged at the bottom end of the screw 7, a first bevel gear 4 is meshed with one side of the bottom end of the second bevel gear 5, a rotating rod 2 is fixedly arranged at one side of the first.

By symmetrically arranging the sliding grooves 12 at the two sides in the support frame 1, when the limiting fixed height of the LNG loading and unloading arm body 26 needs to be adjusted, the rotating handle 3 is rotated, the rotating handle 3 drives the rotating rod 2 to rotate, the rotating rod 2 drives the first bevel gear 4, the second bevel gear 5 and the screw 7 to rotate, the internal threaded pipe 6 moves upwards under the action of the screw 7 and the rotation of the screw threads, the internal threaded pipe 6 drives the support 8, the inclined strut 9, the hanging block 10 and the movable plate 11 to move upwards, the movable plate 11 drives the limiting slide block 13 to slide upwards along the sliding groove 12, meanwhile, the movable plate 11 drives the supporting plate 14 and the fixed arc plate 16 to move until the height of the fixed arc plate 16 reaches the height required by installation of the LNG loading and unloading arm body 26, the operation is simple, the butt joint height of the LNG loading and unloading arm body 26 and a ground container can be conveniently adjusted by a worker, the butt joint device is suitable for butt joint of notches of ground containers with different heights, and the application range of the butt joint device is wider.

In another embodiment, as shown in fig. 3, the embodiment discloses that the opposite sides of the movable arc plate 15 and the fixed arc plate 16 are fixedly provided with rubber pads 24, and the surface of the rubber pads 24 is provided with W-shaped anti-slip threads.

Through being provided with rubber pad 24 in activity arc 15 and fixed arc 16 inside for LNG loading and unloading arm body 26 is placed and is closely laminated with rubber pad 24 when activity arc 15 and fixed arc 16 are inside, causes outward appearance damage such as mar, scratch to LNG loading and unloading arm body 26 when preventing that activity arc 15 and fixed arc 16 from contacting with rubber pad 24, guarantees its appearance quality.

In another embodiment, as shown in fig. 2, this embodiment discloses that the two sides of the bottom end of the support frame 1 are fixedly provided with universal wheels, and the top ends of the universal wheels are movably provided with fixed brake sheets.

Through install the universal wheel additional in 1 bottom of support frame, the support frame 1 of being convenient for removes fixedly, alleviates the intensity of labour of staff's transport, uses manpower sparingly.

In another embodiment, as shown in fig. 4, the present embodiment discloses that the outer cross section of the cap 20 is arc-shaped, and the outer side surface of the cap 20 is provided with S-shaped anti-slip threads.

By forming the S-shaped anti-slip lines on the outer side of the cap 20, the surface friction force of the cap 20 is increased conveniently, so that a worker can pull the cap 20 more easily.

In another embodiment, as shown in fig. 2, this embodiment discloses that the axial section of the bottom end of the connecting plate 17 is an arc corresponding to the connecting shaft 18, and the contact surfaces of the connecting plate 17 and the connecting shaft 18 are coated with a lubricating layer.

The lubricating layer is coated on the contact surface of the connecting plate 17 and the connecting shaft 18, so that the connecting plate 17 can rotate more easily and smoothly.

In another embodiment, as shown in fig. 2, the present embodiment discloses that the transverse cross sections of the sliding groove 12 and the limiting slider 13 are triangular, and the surfaces of the sliding groove 12 and the limiting slider 13 are both provided with a lubricating layer.

The surfaces of the sliding groove 12 and the limiting sliding block 13 are provided with lubricating layers, so that the limiting sliding block 13 can slide in the sliding groove 12 more simply and easily.

In another embodiment, as shown in fig. 2, this embodiment discloses that the outer side of the rotating handle 3 is provided with X-shaped anti-slip patterns, and the X-shaped anti-slip patterns are uniformly distributed on the outer side of the rotating handle 3.

Through offering the anti-skidding line of X-shaped in the commentaries on classics 3 outsides, be convenient for increase and change 3 outside frictional force for the staff is when rotating commentaries on classics handle 3, and is lighter, laborsaving.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a LNG loading and unloading arm convenient to maintain, includes support frame (1), fly leaf (11) and LNG loading and unloading arm body (26), its characterized in that: the movable arc plate is characterized in that supporting plates (14) are symmetrically fixed to the top end of the movable plate (11), two fixed arc plates (16) are fixedly arranged between the top ends of the supporting plates (14), a connecting shaft (18) is fixedly arranged on one side of the top end of each fixed arc plate (16), a connecting plate (17) is rotatably arranged on the top end of the connecting shaft (18), a movable arc plate (15) is fixedly arranged on the top end of the connecting plate (17), a strip seat (19) is fixedly arranged on the top end of one side, away from the connecting shaft (18), of each fixed arc plate (16), tension springs (22) are symmetrically and fixedly arranged on the outer sides of the strip seats (19), a cap (20) is fixedly arranged on one end, away from the strip seat (19), of each tension spring (22), an inserting rod (23) is fixedly arranged in the middle of the inner side of the cap (20), inserting grooves (25), the utility model discloses a LNG loading and unloading arm, including picture peg (21), extension spring (22), slot (25) and picture peg (21) are run through in picture peg (21) inside slot (25), inserted bar (23) one end is located strip seat (19) inside, LNG loading and unloading arm body (26) are located between activity arc board (15) and fixed arc board (16).

2. An LNG loading arm for facilitating maintenance according to claim 1, characterized in that: sliding grooves (12) are symmetrically formed in two sides of the interior of the support frame (1), limiting sliding blocks (13) are arranged in the sliding grooves (12), the movable plate (11) is positioned between the two limiting sliding blocks (13) and fixedly connected with the two limiting sliding blocks, two hanging blocks (10) are symmetrically and fixedly arranged at the bottom end of the movable plate (11), inclined struts (9) are fixedly arranged at the bottom end of each hanging block (10), a support (8) is fixedly arranged at the bottom end between the two inclined struts (9), an internal thread pipe (6) is fixedly arranged at the bottom end of the support (8), a screw rod (7) is rotatably arranged at the bottom end of the internal thread pipe (6), a second bevel gear (5) is fixedly arranged at the bottom end of the screw rod (7), a first bevel gear (4) is meshed with one side of the bottom end of the second bevel gear (5), and a rotating rod (, the rotating rod (2) penetrates through one side of the support frame (1), and a rotating handle (3) is fixedly arranged at one end, located on the outer side of the support frame (1), of the rotating rod (2).

3. An LNG loading arm for facilitating maintenance according to claim 1, characterized in that: rubber pads (24) are fixedly arranged on the opposite sides of the movable arc plate (15) and the fixed arc plate (16), and W-shaped anti-skidding threads are formed in the surfaces of the rubber pads (24).

4. An LNG loading arm for facilitating maintenance according to claim 1, characterized in that: the supporting frame (1) bottom both sides are fixed and are provided with the universal wheel, the universal wheel top activity is provided with the fixed piece of stopping.

5. An LNG loading arm for facilitating maintenance according to claim 1, characterized in that: the cross section of the outer side of the cover cap (20) is arc-shaped, and S-shaped anti-skidding threads are formed in the outer side surface of the cover cap (20).

6. An LNG loading arm for facilitating maintenance according to claim 1, characterized in that: the axial cross section of the bottom end of the connecting plate (17) is arc-shaped corresponding to the connecting shaft (18), and the contact surface of the connecting plate (17) and the connecting shaft (18) is coated with a lubricating layer.

7. An LNG handling arm for facilitating maintenance according to claim 2, characterized in that: the transverse sections of the sliding groove (12) and the limiting sliding block (13) are triangular, and lubricating layers are arranged on the surfaces of the sliding groove (12) and the limiting sliding block (13).

8. An LNG handling arm for facilitating maintenance according to claim 2, characterized in that: the outer side of the rotating handle (3) is provided with X-shaped anti-slip grains which are uniformly distributed on the outer side of the rotating handle (3).