CN216447611U - Oil transportation arm capturing and butting device - Google Patents

Abstract

The utility model provides a catching and butting device for an oil conveying arm, and belongs to the technical field of oil conveying devices. The technical problems that an existing oil delivery arm butt joint device is complex in structure, poor in accuracy and the like are solved. The device comprises an annular ring seat I, wherein a plurality of connecting arms are arranged on the inner wall of the annular ring seat I, and fastening rings are arranged on the connecting arms; a plurality of linear guide rods are distributed on the first annular ring seat along the circumferential direction of the first annular ring seat, the linear guide rods are connected with the first annular ring seat in a sliding mode, and the linear guide rods are arranged along the axial direction of the first annular ring seat; the end part of the linear guide rod is fixedly connected with a second annular ring seat; a plurality of arc-shaped clamping jaws are arranged on the second annular ring seat along the circumferential direction of the second annular ring seat, and the inner ends of the arc-shaped clamping jaws extend into the second annular ring seat; and a hydraulic cylinder is further arranged on the second annular ring seat along the circumferential direction of the second annular ring seat, an output shaft of the hydraulic cylinder is connected with the arc-shaped clamping jaws, and the hydraulic cylinder acts simultaneously to drive the inner ends of all the arc-shaped clamping jaws to jointly form a clamping action. The oil transportation arm capturing and butting device is simple and compact in structure and accurate and reliable in action.

Description

An oil delivery arm catching and docking device

technical field

The utility model belongs to the technical field of oil transport auxiliary equipment, and relates to an oil transport arm catching and docking device.

Background technique

With the rapid development of tanker transportation, some problems have arisen in the process of transporting crude oil ashore when the tanker arrives at the port. The transportation of crude oil requires the aid of a set of oil transfer arm systems installed on the wharf or floating wharf for the transfer of liquid and gaseous media between the wharf and the tanker pipeline. However, in the traditional connection between the oil transfer arm and the oil tanker's flange, it is necessary to manually start the hydraulic pump and trigger the buttons in six directions to control the oil transfer arm to make the interface of the three-dimensional joint move to the flange interface of the oil tanker. Mass production demand, there are problems of slow movement speed and poor operation stability. Therefore, a new type of docking system with high speed, simple structure, small footprint and wide application is needed to meet the growing production demand of the crude oil transportation industry.

Chinese Patent (Announcement No.: CN113418064A; Announcement Date: 2021-09-21) discloses an automatic docking system for an oil transfer arm, including an oil transfer arm and an oil transfer arm at the tanker end, and a locking method is installed on the oil transfer arm at the tanker end A positioning flange is installed on the oil transfer arm, a number of flexible preload pins and a number of rigid locking hooks are arranged on the positioning flange; a number of preload slots and a number of locking grooves are arranged on the locking flange; A locking hook driven by a hydraulic motor is fixed in each locking groove; the positioning target is connected to the oil transfer arm of the tanker end by a fixed clip; the identification platform is connected to the oil transfer arm by a fixed clip, and the identification platform is installed with The industrial camera and the photoelectric ranging sensor connected with the signal of the industrial camera, the industrial camera is facing the positioning target.

The docking system disclosed in the above-mentioned patent documents has a relatively complex structure, and the manufacturing and use costs are relatively high, and the accuracy depends on the photoelectric ranging sensor, and there are certain errors.

SUMMARY OF THE INVENTION

Aiming at the above problems existing in the prior art, the present utility model provides an oil delivery arm catching and docking device. The technical problem to be solved by the utility model is: how to provide a simple, compact, accurate and reliable oil delivery arm catching and docking device. device.

The purpose of this utility model can be realized by following technical scheme:

An oil delivery arm catching and docking device, comprising an annular ring seat 1, the inner wall of the annular ring seat 1 has a plurality of connecting arms extending radially toward the middle thereof, characterized in that the connecting arms are provided with tightening A fixed ring; a number of linear guide rods are distributed along the circumferential direction of the annular ring seat, and the linear guide rods are all slidably connected with the annular ring seat, and the linear guide rods are all along the annular ring seat. The end of the linear guide rod is fixed with an annular ring seat 2; the annular ring seat 2 is provided with several arc-shaped clamping claws along its circumferential direction, and the outer ends of the arc-shaped clamping claws are hinged On the second annular ring seat, the inner ends of the arc-shaped clamping jaws extend toward the inside of the second annular ring seat; The clamping jaws correspond to one-to-one hydraulic cylinders, the output shaft of the hydraulic cylinder is connected with the arc-shaped clamping jaws, and the simultaneous action of the hydraulic cylinder can drive the inner ends of all the arc-shaped clamping jaws to form a clamping action together.

The working principle is as follows: the device is installed on the large oil delivery arm, and the annular ring seat 1 and the annular ring seat 2 are coaxially arranged. Fasten tightly. In the initial state, the second annular ring seat is far away from the annular ring seat 1, and the arc-shaped clamping claws are in an open state; when the oil pipe needs to be connected, the oil pipe interface is passed through the annular ring seat 2 and the holding ring formed by several arc-shaped clamping claws. Then, the inner ends of the arc-shaped jaws are driven by the hydraulic cylinder to form a clamping action to capture the oil pipe interface that needs to be docked; the arc-shaped jaws gradually clamp the oil pipe interface tightly. The guiding function of the guide rod makes it precise butt joint. The oil delivery arm catching and docking device works automatically, has high work efficiency, simple and compact structure, and high precision.

In the above-mentioned oil transfer arm catching and docking device, the number of the connecting arms is three, the three connecting arms are evenly spaced along the circumferential direction of the annular ring seat 1, and the outer ends of the connecting arms are fixedly connected On the inner wall of the annular ring seat 1; the inner ends of the connecting arms are fixed together to form a connecting ring with a through hole; a mounting seat is fixed on the side of each of the connecting arms close to the inner end, so A connecting rod extending toward a center of the annular ring seat is hinged on the mounting seat, and the fastening ring is arranged on three connecting rods.

In the above-mentioned oil delivery arm catching and docking device, the fastening ring is made of a deformable metal material, one side of the fastening ring has an opening, and the opening of the fastening ring is provided with a locking bolt. Preferably, the fastening ring is made of iron, stainless steel or aluminum alloy. A stable and reliable fixed connection between the oil delivery arm and the annular ring seat can be achieved through the tightening ring.

In the above-mentioned oil delivery arm catching and docking device, the first annular ring seat and the second annular ring seat are both annular plate parts, and the first annular ring seat is integrally formed with the connecting arm. The above structure is simple and compact, strong and durable. The design of the annular ring seat 1 and the annular ring seat 2 can improve the accuracy and stability of the docking of the oil transfer arm in the wind and waves.

In the above-mentioned oil transfer arm catching and docking device, the number of the linear guide rods is three and is evenly spaced along the circumferential direction of the annular ring seat 1, and the side surface of the annular ring seat 1 is fixed with three One end of the linear guide rod is slidably inserted into the corresponding sliding sleeve, and the other end of the linear guide rod passes through the annular ring seat and the annular ring seat. The ring seat two is solidly connected.

In the above-mentioned oil transfer arm catching and docking device, the sliding sleeve is provided with a linear bearing, and one end of the linear guide rod is provided with a flange that is limited and abutted against the sliding sleeve; the linear guide rod The other end of the ring is fixedly connected with the side surface of the annular ring seat two through a mounting plate.

In the above-mentioned oil delivery arm catching and docking device, the number of the arc-shaped clamping jaws and the hydraulic cylinders are three and are evenly spaced along the circumferential direction of the annular ring seat 2, and the housings of the hydraulic cylinders are connected by The first seat is hinged on the outer side of the second annular ring seat, the output shaft of the hydraulic cylinder is connected with the middle part of the arc-shaped clamping jaw or a position close to the middle part through the connecting rod assembly, and can push the arc-shaped clamping jaw to swing. .

When the oil pipe that needs to be docked enters the second annular ring seat, the hydraulic cylinder is activated, and driven by the connecting rod assembly, the three arc-shaped clamping jaws fix the oil pipe so that the oil pipe is in the middle position. The oil delivery arm can only move in a straight line under the constraint of the linear guide rod to complete the docking. Three hydraulic cylinders are used to drive three arc-shaped grippers to capture the oil pipeline, which can be adapted to pipelines of different sizes.

In the above-mentioned oil delivery arm catching and docking device, the connecting rod assembly includes a connecting seat 2 fixed on the outer side of the annular ring seat 2 and a connecting rod 1 hinged on the connecting seat 2, the hydraulic cylinder The output shaft is hinged with one end of the connecting rod one, the other end of the connecting rod one is hinged with the connecting rod two, and the end of the connecting rod two is in the middle of or near the middle of the arc clamp. Hinged. The driving part of the hydraulic cylinder adopts a four-bar mechanism, which has a simple and compact structure and good reliability.

In the above-mentioned oil delivery arm catching and docking device, the bending directions of the three arc-shaped clamping jaws are all set along the clockwise direction of the second annular ring seat or are all set along the counterclockwise direction of the second annular ring seat; The middle part of the arc-shaped clamping claw has a strip-shaped through-groove along its length direction, and the inner end of the arc-shaped clamping claw can be inserted into the strip-shaped through-groove of an adjacent arc-shaped clamping claw.

Compared with the prior art, the oil conveying arm catching and docking device in the utility model has a high degree of automation and high work efficiency, relies on a mechanical structure, is simple and compact, has high precision, and is not easy to make mistakes.

Description of drawings

FIG. 1 is a schematic diagram 1 of the three-dimensional structure of the oil delivery arm catching and docking device.

FIG. 2 is a second schematic diagram of the three-dimensional structure of the oil delivery arm catching and docking device.

FIG. 3 is a schematic diagram of the partial structure of the oil delivery arm catching and docking device.

In the figure, 1, annular ring seat; 2, connecting arm; 21, connecting ring; 21a, through hole; 3, fastening ring; 31, opening; 4, linear guide rod; 41, flange; 5, annular ring Seat 2; 6. Arc-shaped jaws; 61. Bar-shaped through-groove; 7. Mounting seat; 8. Connecting rod; 9. Locking bolt; 10. Sliding sleeve; 11. Mounting plate; 12. Connecting seat 1; 13 , connecting rod assembly; 13a, connecting seat two; 13b, connecting rod one; 13c, connecting rod two; 14, hydraulic cylinder.

Detailed ways

The following are specific embodiments of the present utility model combined with the accompanying drawings to further describe the technical solutions of the present utility model, but the present utility model is not limited to these embodiments.

As shown in Figures 1 and 2, the oil delivery arm catching and docking device includes an annular ring seat 1. The inner wall of the annular ring seat 1 has a plurality of connecting arms 2 extending radially toward the middle thereof. A fastening ring 3 is provided; the annular ring seat 1 is distributed with several linear guide rods 4 along its circumferential direction, and the linear guide rods 4 are all slidably connected with the annular ring seat 1 and the linear guide rods 4 are all along the annular ring seat 1. 1 is arranged in the axial direction; the end of the linear guide rod 4 is fixedly connected with an annular ring seat 2 5; the annular ring seat 2 5 is provided with a number of arc-shaped clamping claws 6 along its circumferential direction, and the outer ends of the arc-shaped clamping claws 6 are hinged. On the annular ring seat 2 5 , the inner end of the arc-shaped clamping jaw 6 extends to the inside of the annular ring seat 2 5 ; the annular ring seat 2 5 is also provided with a number of one-to-one correspondence with the arc-shaped clamping jaw 6 along its circumferential direction. The hydraulic cylinder 14, the output shaft of the hydraulic cylinder 14 is connected with the arc-shaped clamping jaws 6, and the simultaneous action of the hydraulic cylinder 14 can drive the inner ends of all the arc-shaped clamping jaws 6 to jointly form a clamping action. The device is installed on a large oil delivery arm, and the annular ring seat 1 and the annular ring seat 2 5 are coaxially arranged. fixed. In the initial state, the annular ring seat 2 5 is away from the annular ring seat 1 1, and the arc-shaped clamping jaws 6 are in an open state; when the oil pipe needs to be connected, the oil pipe interface is passed through the annular ring-shaped ring seat 2 5 and several arc-shaped clamping jaws 6 to form Then, the hydraulic cylinder 14 drives the inner ends of the arc-shaped clamping jaws 6 to form a clamping action to capture the oil pipe interface that needs to be docked; the arc-shaped clamping jaws 6 gradually clamp the oil pipe interface tightly, and the oil transfer arm or When the oil pipe moves forward, it is precisely connected by the guiding action of the linear guide rod 4. The oil delivery arm catching and docking device works automatically, has high work efficiency, simple and compact structure, and high precision.

Preferably, in this embodiment, the number of the connecting arms 2 is three, the three connecting arms 2 are evenly spaced along the circumferential direction of the annular ring seat 1 , and the outer ends of the connecting arms 2 are fixedly connected to the inner wall of the annular ring seat 1 1 The inner ends of the connecting arms 2 are fixed together and form a connecting ring 21 with a through hole 21a; a mounting seat 7 is fixed on the side of each connecting arm 2 close to the inner end, and the mounting seat 7 is hinged with an extending ring The connecting rod 8 in the center of the ring seat 1, and the fastening ring 3 are arranged on the three connecting rods 8. The above-mentioned tightening ring 3 is made of a deformable metal material. One side of the tightening ring 3 has an opening 31 , and a locking bolt 9 is provided at the opening 31 of the tightening ring 3 . Preferably, the fastening ring 3 is made of iron, stainless steel or aluminum alloy; through the fastening ring 3, a stable and reliable fixed connection between the oil transfer arm and the annular ring seat-1 can be realized.

As shown in FIG. 2 , the annular ring seat 1 and the annular ring seat 2 5 are both annular plates, the annular ring seat 1 and the connecting arm 2 are integrally formed, and the structure is simple, compact, strong and durable. The above-mentioned designs of the annular ring seat 1 and the annular ring seat 2 5 can improve the accuracy and stability of the docking of the oil transfer arm in the wind and waves.

As shown in FIG. 2 , preferably, the number of the linear guide rods 4 is three and is evenly spaced along the circumferential direction of the annular ring seat 1. The side surface of the annular ring seat 1 is fixed with three linear guide rods 4 one by one. In the corresponding sliding sleeve 10 , one end of the linear guide rod 4 is slidably inserted into the corresponding sliding sleeve 10 , and the other end of the linear guide rod 4 passes through the annular ring seat 1 1 and is fixedly connected with the annular ring seat 2 5 . The sliding sleeve 10 is also provided with a linear bearing, and one end of the linear guide rod 4 has a flange 41 which is limited and abutted against the sliding sleeve 10; the other end of the linear guide rod 4 passes through the mounting plate 11 and the annular ring seat 25 side attachment. The number of the arc-shaped clamping jaws 6 and the hydraulic cylinders 14 is three and evenly distributed along the circumferential direction of the annular ring seat 5. The housing of the hydraulic cylinder 14 is hinged to the outer side of the annular ring seat 2 5 through the connecting seat 12. The output shaft of the hydraulic cylinder 14 is connected with the middle part of the arc-shaped clamping jaw 6 or a position close to the middle part through the connecting rod assembly 13 and can push the arc-shaped clamping jaw 6 to swing. When the oil pipe that needs to be docked enters the annular ring seat 2 5, the hydraulic cylinder 14 is activated, and driven by the connecting rod assembly 13, the three arc-shaped clamping jaws 6 fix the oil pipe and keep the oil pipe in the middle position. Under the constraint of the linear guide rod 4, the oil delivery arm can only move in a straight line, thereby completing the docking. Three hydraulic cylinders 14 are used to drive three arcuate jaws 6 to catch the oil pipeline, which can be adapted to pipelines of different sizes.

As shown in FIG. 3 , the connecting rod assembly 13 includes a second connecting rod 13a fixed on the outer side of the second annular ring seat 5 and a connecting rod 1 13b hinged on the second connecting rod 13a, the output shaft of the hydraulic cylinder 14 and the connecting rod 1 13b One end of the connecting rod 13b is hinged with the other end of the connecting rod 13b, and the other end of the connecting rod 13b is hinged with the second connecting rod 13c. The driving part of the hydraulic cylinder 14 adopts a four-bar mechanism, the structure is simple and compact, and the reliability is good. The bending directions of the three arc-shaped clamping jaws 6 are all set along the clockwise direction of the second annular ring base 5 or are all set along the counterclockwise direction of the second annular ring base 5; the middle of the arc-shaped clamping jaw 6 has bars along its length direction. The inner end of the arc-shaped clamping jaw 6 can be inserted into the bar-shaped through-groove 61 of one of its adjacent arc-shaped clamping jaws 6 .

The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from the spirit of the present invention or go beyond the appended claims the defined range.

Claims (9)

1. An oil transfer arm catching and docking device, comprising an annular ring seat 1 (1), the inner wall of the annular ring seat 1 (1) has a plurality of connecting arms (2) extending radially toward the middle thereof, the It is characterized in that the connecting arm (2) is provided with a fastening ring (3); the annular ring seat 1 (1) is distributed with a number of linear guide rods (4) along its circumferential direction, and the linear guide rods (4) Both are slidably connected with the annular ring seat one (1) and the linear guide rods (4) are all arranged along the axis direction of the annular ring seat one (1); An annular ring seat two (5) is fixedly connected to the end; the annular ring seat two (5) is provided with a plurality of arc-shaped clamping claws (6) along its circumferential direction, and the outer ends of the arc-shaped clamping claws (6) are hinged On the second annular ring seat (5), the inner ends of the arc-shaped clamping jaws (6) extend toward the inside of the second annular ring seat (5); A plurality of hydraulic cylinders (14) corresponding to the arc-shaped clamping jaws (6) are also arranged in the circumferential direction, and the output shaft of the hydraulic cylinder (14) is connected with the arc-shaped clamping jaws (6) and The simultaneous action of the hydraulic cylinder (14) can drive the inner ends of all the arc-shaped gripping claws (6) to jointly form a gripping action. 2 . The device for capturing and docking an oil delivery arm according to claim 1 , wherein the number of the connecting arms ( 2 ) is three, and the three connecting arms ( 2 ) are seated one (2) along the annular ring. 3 . 1) are evenly spaced in the circumferential direction, the outer ends of the connecting arms (2) are fixedly connected to the inner wall of the annular ring seat one (1); the inner ends of the connecting arms (2) are fixedly connected together and A connecting ring (21) with a through hole (21a) is formed; a mounting seat (7) is fixed on the side surface of each of the connecting arms (2) close to the inner end, and the mounting seat (7) is hinged with an extending direction The connecting rod (8) in the center of the annular ring seat one (1), and the fastening ring (3) is arranged on the three connecting rods (8). 3. The oil transfer arm catching and docking device according to claim 1 or 2, characterized in that, the fastening ring (3) is made of a deformable metal material, and one side of the fastening ring (3) is made of a deformable metal material. An opening (31) is provided, and a locking bolt (9) is arranged at the opening (31) of the fastening ring (3). 4. The oil transfer arm catching and docking device according to claim 1 or 2, characterized in that, the annular ring seat one (1) and the annular ring seat two (5) are both annular plate parts, and the annular ring seat One (1) is integrally formed with the connecting arm (2). 5. The oil delivery arm catching and docking device according to claim 1 or 2, characterized in that the number of the linear guide rods (4) is three and is uniform along the circumferential direction of the annular ring seat one (1). Distributed at intervals, three sliding sleeves (10) corresponding to the linear guide rods (4) one-to-one are fixed on the side of the annular ring seat 1 (1), and one end of the linear guide rods (4) is slidably inserted. In the corresponding sliding sleeve (10), the other end of the linear guide rod (4) passes through the annular ring seat one (1) and is fixedly connected with the annular ring seat two (5). 6 . The oil delivery arm catching and docking device according to claim 5 , wherein a linear bearing is provided in the sliding sleeve ( 10 ), and one end of the linear guide rod ( 4 ) has a connection with the sliding sleeve ( 4 ). 7 . A flange (41) against which the sleeve (10) is limited and abutted; the other end of the linear guide rod (4) is fixedly connected to the side surface of the second annular ring seat (5) through a mounting plate (11). 7. The oil delivery arm catching and docking device according to claim 1 or 2, characterized in that, the number of the arc-shaped gripping jaws (6) and the hydraulic cylinders (14) is three and is seated along the annular ring Two (5) are evenly spaced in the circumferential direction, the housing of the hydraulic cylinder (14) is hinged to the outer side of the second annular ring seat (5) through the connecting seat one (12), the hydraulic cylinder (14) The output shaft is connected with the middle part of the arc-shaped clamping claw (6) or a position close to the middle part through the connecting rod assembly (13) and can push the arc-shaped clamping claw (6) to swing. 8 . The oil delivery arm catching and docking device according to claim 7 , wherein the connecting rod assembly ( 13 ) comprises a connecting seat two ( 13 a ) fixed on the outer side of the annular ring seat two ( 5 ) and The first connecting rod (13b) is hinged on the second connecting rod (13a), the output shaft of the hydraulic cylinder (14) is hinged with one end of the first connecting rod (13b), and the first connecting rod (13b) ) is hinged with the second connecting rod (13c), and the end of the second connecting rod (13c) is hinged with the middle part of the arc-shaped clamping jaw (6) or a position close to the middle part. 9 . The oil delivery arm catching and docking device according to claim 8 , wherein the bending directions of the three arc-shaped clamping jaws ( 6 ) are all set along the clockwise direction of the second annular ring seat ( 5 ). 10 . Or both are arranged in the counterclockwise direction of the second annular ring seat (5); the middle of the arc-shaped clamping jaw (6) has a strip-shaped through groove (61) along its length direction, and the arc-shaped clamping jaw ( The inner end of 6) can be inserted into the bar-shaped through groove (61) of an adjacent arc-shaped clamping jaw (6).

Images