CN110817682A - A kind of pulley equipment for oil tanker - Google Patents

Abstract

The invention discloses pulley equipment for an oil tanker, which comprises a shell, pulleys and a hook component, wherein the hook component is fixed on the shell, the shell is provided with a deviation correcting mechanism for adjusting the axial position of the pulleys, the deviation correcting mechanism comprises a supporting arm and a supporting cylinder, the supporting arm penetrates through two ends of the shell and is in sliding connection with the shell, the outer surface of the supporting arm is at least provided with a plane, the supporting cylinder is of a hollow cylindrical structure, the inner wall of the supporting cylinder is matched with the supporting arm, the supporting cylinder is in sliding sleeve connection with the supporting arm, the pulleys are in rotating connection with the supporting cylinder, the pulley equipment for the oil tanker can adjust the axial position of the pulleys when a traction rope inclines along with the floating of the oil tanker, so that the inclination angle of the traction rope relative to the pulley equipment is greatly reduced, the pressure applied to the side wall of a pulley chute by the traction rope is effectively reduced, and the abrasion, the long-term use of the pulley device on the oil tanker is facilitated.

Description

A kind of pulley equipment for oil tanker

technical field

The invention relates to the technical field of oil tanker applications, in particular to a pulley device for oil tankers.

Background technique

Oil tanker, commonly known as oil tanker, refers to a liquid cargo ship that carries bulk oil or refined oil. In a broad sense, it refers to a ship that transports various oils in bulk. In addition to transporting petroleum, it also transports petroleum products, various animal and vegetable oils, liquid natural gas and petroleum gas. However, most of the so-called oil tankers refer to ships that transport crude oil. The ship that ships the refined oil is called the refined oil tanker. Ships that carry liquid natural gas and petroleum gas are called liquefied gas ships.

There is a crane in the middle of the tanker. The purpose of this crane is to hoist the pipeline on the wharf to the tanker to connect with the pipeline system on the tanker. The crane includes pulley equipment, traction ropes and hooks. The hooks are fixed on the pulley equipment to pull The rope exerts traction force on the hook through the pulley device. Since the oil tanker floats on the sea surface, the oil tanker is easy to float under the impact of sea water, so that when the crane lifts on the oil tanker, the traction rope is easily affected by the floating of the oil tanker and tilts. When the hook is tilted vertically downward by the gravity of the object, the traction rope exerts a large pressure on the side wall of the pulley chute, which causes the wear of the traction rope and the side wall of the pulley chute to increase, which is not conducive to the operation of the pulley equipment in the oil tanker. long-term use. To this end, we propose a pulley device for oil tankers.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a pulley device that can adjust the axial position of the pulley when the traction rope is inclined following the floating of the oil tanker, so as to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a pulley device for oil tankers, comprising a casing, a pulley and a hook assembly, the hook assembly is fixed on the casing, and the casing is provided with a pulley for adjusting the axial direction of the pulley. Position correction mechanism.

Preferably, the deviation correction mechanism includes a support arm and a support cylinder, the support arm penetrates through both ends of the casing and is slidably connected to the casing, the outer surface of the support arm is provided with at least one plane, and the support cylinder is an inner wall and The support arm is matched with a hollow cylindrical structure, and the support cylinder is slidably sleeved on the support arm, the pulley is rotatably connected with the support cylinder, the support cylinder is connected with an identification device for detecting the inclination of the rope, and the support arm is on the support arm. An adjusting device for adjusting the position of the pulley and changing synchronously with the inclination direction of the rope is connected.

Preferably, the identification device includes a pressure sensor and a mounting plate, two ends of the support cylinder are respectively provided with pressure sensors, and the two ends of the support cylinder are respectively in contact with the input ends of the pressure sensors, and the pressure sensors are fixed on the mounting plate , the mounting plate is fixed with the support arm.

Preferably, baffle plates are respectively fixed at both ends of the support cylinder, a buffer spring is fixed on the baffle plates, a buffer plate is fixed at one end of the buffer spring away from the baffle plate, and a side of the buffer plate away from the buffer spring is fixed. Balanced with the input of the pressure sensor.

Preferably, the adjusting device includes a first screw, the support arm is an oval structure with two parallel planes, and one end of the support arm is provided with a threaded hole, and the threaded hole penetrates the two parallel planes of the support arm , the first screw is engaged with the threaded hole, and one end of the first screw is connected with a driving device that drives the screw to rotate.

Preferably, the driving device includes a first rotating shaft, a first gear, a support plate and a driving motor, two ends of the first rotating shaft are respectively fixed with the first screw rod and the first gear, and the middle part of the first rotating shaft is connected to the first rotating shaft through a bearing. The support plate is rotatably connected, the support plate is fixed with a leg, the support leg is fixed with the casing, the first gear is engaged with a second gear, the second gear is axially fixed with a second shaft, the The second rotating shaft is rotatably connected to the support plate through a bearing, the output end of the drive motor is fixed to the end of the second rotating shaft away from the second gear, and the drive motor is fixed to the support plate.

Preferably, a second screw is threaded at the port at one end of the support arm provided with the threaded hole, and a knob is fixed at one end of the second screw.

Preferably, a fixed cylinder is fixed at the connection between the casing and the support arm, the fixed cylinder penetrates the casing, the support arm is sleeved on the inner side of the fixed cylinder, and the inner wall of the fixed cylinder is slidably clamped with multiple A ball, the support arm is slidably connected with the ball.

Preferably, the outer side of the support arm is provided with a chute matched with the ball, and the ball slides in the chute.

Preferably, an oil injection hole is provided on the upper part of the support cylinder, and the oil injection hole communicates with the inside of the support cylinder.

Compared with the prior art, the beneficial effects of the present invention are:

The invention can adjust the axial position of the pulley when the traction rope is inclined following the floating of the oil tanker, so that the inclination angle of the traction rope relative to the pulley device is greatly reduced, and the impact of the traction rope on the side wall of the pulley chute is effectively reduced. Therefore, the wear degree between the traction rope and the pulley is reduced, which is beneficial to the long-term use of the pulley equipment on the oil tanker.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structure schematic diagram of the deviation correction mechanism of the present invention;

3 is a schematic structural diagram of the identification device and the adjustment device of the present invention;

Figure 4 is a schematic structural diagram of the fixed cylinder of the present invention;

Fig. 5 is the enlarged view of A area in Fig. 1;

FIG. 6 is an enlarged view of area B in FIG. 3

FIG. 7 is an enlarged view of region C in FIG. 3 .

In the figure: 1-shell; 2-pulley; 3-hook assembly; 4-correction mechanism; 5-support arm; 6-support cylinder; 7-identification device; 8-adjustment device; 9-pressure sensor; 10-installation plate; 11-baffle plate; 12-buffer spring; 13-buffer plate; 14-first screw; 15-threaded hole; 16-drive device; 17-first shaft; 18-first gear; 19-support plate; 20-drive motor; 21-leg; 22-second gear; 23-second screw; 24-knob; 25-fixed cylinder; 26-ball; 27-chute; 28-oil filling hole; 29-second shaft .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-7, the present invention provides a technical solution: a pulley device for oil tankers, comprising a casing 1 and a pulley 2, the casing 1 is provided with a deviation correction mechanism 4 for adjusting the axial position of the pulley 2, The axial position of the pulley 2 can be adjusted when the traction rope is inclined following the floating of the oil tanker, so that the inclination angle of the traction rope relative to the equipment of the pulley 2 is greatly reduced.

The deviation correction mechanism 4 includes a support arm 5 and a support cylinder 6. The support arm 5 penetrates through both ends of the housing 1 and is slidably connected to the housing 1. At least one plane is set on the outer surface of the support arm 5. The cylinder 6 is a hollow cylindrical structure whose inner wall is matched with the support arm 5, and the support cylinder 6 is slidably sleeved on the support arm 5. The support cylinder 6 can slide outside the support arm 5, and at least one plane is set through the outer surface of the support arm 5. It can prevent the support cylinder 6 from rotating relative to the support arm 5;

The pulley 2 is rotatably connected with the support cylinder 6, and the support cylinder 6 is connected with an identification device 7 for detecting the inclination of the rope, and the identification device 7 can detect the signal when the traction rope is inclined;

The support arm 5 is connected with an adjusting device 8 for adjusting the position of the pulley 2 to follow the synchronous change of the inclination direction of the rope. When the identification device 7 detects the inclination signal of the traction rope, the adjusting device 8 can adjust the position of the pulley 2 in real time, so that the pulley 2 can be adjusted in real time. The traction rope can move in the inclined direction, so as to avoid the traction rope exerting great pressure on the side wall of the chute 27 of the pulley 2 .

The identification device 7 includes a pressure sensor 9 and a mounting plate 10 . The two ends of the support cylinder 6 are respectively provided with a pressure sensor 9 , and the two ends of the support cylinder 6 are respectively in contact with the input end of the pressure sensor 9 . The pressure sensor 9 It is fixed on the mounting plate 10, and the mounting plate 10 is fixed with the support arm 5. When the traction rope is inclined, the traction force exerted by the traction rope on the pulley 2 is decomposed into a horizontal component force in the horizontal direction, and the support cylinder 6 is in the horizontal direction. Under the action, the support arm 5 tends to move horizontally. At this time, the pressure sensor 9 fixed on the mounting plate 10 can detect the horizontal component force received by the support cylinder 6, thereby realizing the monitoring of the inclination of the traction rope.

Two ends of the support cylinder 6 are respectively fixed with a baffle plate 11, a buffer spring 12 is fixed on the baffle plate 11, and a buffer plate 13 is fixed at one end of the buffer spring 12 away from the baffle plate 11, and the buffer plate 13 is far away from the baffle plate 11. One side of the buffer spring 12 is in contact with the input end of the pressure sensor 9, and the pressure of the support cylinder 6 acting on the pressure sensor 9 is buffered by the buffer spring 12 to prevent the pressure sensor 9 from being damaged when the support cylinder 6 moves violently. A certain tension is maintained between the pressure sensor 9 and the support cylinder 6 by the buffer spring 12, so that the pressure sensor 9 is more sensitive to the monitoring of the pressure value change.

The adjusting device 8 includes a first screw 14 , the support arm 5 is an oval structure with two parallel planes, one end of the support arm 5 is provided with a threaded hole 15 , and the threaded hole 15 penetrates through the support arm 5 . Two parallel planes, the threaded hole 15 separates one end of the support arm 5 into two parts that are symmetrical along the axial center, does not affect the smoothness of the outer surface of the support arm 5, and facilitates the slide of the support arm 5 relative to the housing 1;

The first screw 14 is engaged with the threaded hole 15, and one end of the first screw 14 is connected with a driving device 16 that drives the rotation of the first screw 14. After the pressure sensor 9 detects that the traction rope is inclined, the driving device 16 can drive the first screw. A screw 14 rotates, and the rotation of the first screw 14 drives the support arm 5 to slide relative to the housing 1 , thereby realizing the adjustment of the horizontal axial position of the pulley 2 .

The driving device 16 includes a first rotating shaft 17, a first gear 18, a support plate 19 and a driving motor 20. Both ends of the first rotating shaft 17 are respectively fixed with the first screw 14 and the first gear 18, and the first rotating shaft The middle part of 17 is rotatably connected with the support plate 19 through a bearing, the support plate 19 is fixed with a leg 21, the support leg 21 is fixed with the casing 1, the first gear 18 is meshed with a second gear 22, the The second gear 22 is axially fixed with a second rotating shaft 29, the second rotating shaft 29 is rotatably connected to the support plate 19 through a bearing, and the output end of the driving motor 20 is fixed to the end of the second rotating shaft 29 away from the second gear 22, The drive motor 20 is fixed to the support plate 19. When the drive device 16 works, the rotation of the output shaft of the drive motor 20 can drive the rotation of the second gear 22, and the rotation of the second gear 22 can drive the rotation of the first gear 18. Under the action of the first rotating shaft 17 , the first screw 14 rotates following the first gear 18 , thereby realizing the driving of the first screw 14 .

A second screw 23 is threaded at the port of one end of the support arm 5 with the threaded hole 15. The second screw 23 increases the strength of the end of the support arm 5 with the threaded hole 15 to prevent it from being caused by a large pulling force. Deformation, a knob 24 is fixed at one end of the second screw 23 , and the second screw 23 is easily installed and disassembled through the knob 24 .

A fixing cylinder 25 is fixed at the connection between the casing 1 and the support arm 5 , the fixing cylinder 25 penetrates the casing 1 , the supporting arm 5 is sleeved on the inner side of the fixing cylinder 25 , and the inner wall of the fixing cylinder 25 is A plurality of balls 26 are slidably clamped, and the support arm 5 is slidably connected to the balls 26. The balls 26 reduce the resistance of the support arm 5 when sliding relative to the housing 1, and reduce the wear of the support arm 5 when sliding. .

The outer side of the support arm 5 is provided with a chute 27 matched with the ball 26, the ball 26 slides in the chute 27, and the ball 26 slides in the chute 27 to limit the position of the support arm 5, so that the Its position is more stable.

The upper part of the support cylinder 6 is provided with an oil injection hole 28 which communicates with the inside of the support cylinder 6 , and the oil injection hole 28 facilitates applying lubricating oil to the surface of the support arm 5 , further reducing the wear of the support arm 5 .

The circuit control systems applied in this technical solution are all conventional settings, and no redundant description is given here.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a pulley equipment for oil ship, includes casing (1), pulley (2) and couple subassembly (3), couple subassembly (3) are fixed on casing (1), its characterized in that: and a deviation rectifying mechanism (4) for adjusting the axial position of the pulley (2) is arranged on the shell (1).

2. The pulley apparatus for oil tanker according to claim 1, wherein: deviation correcting mechanism (4) are including support arm (5) and support section of thick bamboo (6), support arm (5) run through the both ends of casing (1), and with casing (1) sliding connection, support arm (5) surface sets up a plane at least, support section of thick bamboo (6) and for inner wall and support arm (5) matched with cavity tubular structure, and support section of thick bamboo (6) slip cup joint on support arm (5), pulley (2) rotate with support section of thick bamboo (6) and be connected, be connected with recognition device (7) that are used for detecting the rope slope on support section of thick bamboo (6), be connected with on support arm (5) and be used for adjusting pulley (2) position to follow rope slope direction synchronous change adjusting device (8).

3. The pulley apparatus for oil tanker according to claim 2, wherein: recognition device (7) include pressure sensor (9) and mounting panel (10), the both ends of supporting a section of thick bamboo (6) are equipped with pressure sensor (9) respectively, and support a section of thick bamboo (6) both ends and offset with the input of pressure sensor (9) respectively, pressure sensor (9) are fixed on mounting panel (10), mounting panel (10) are fixed with support arm (5).

4. A pulley apparatus for a tanker according to claim 3, wherein: the two ends of the supporting cylinder (6) are respectively fixed with a baffle (11), a buffer spring (12) is fixed on the baffle (11), one end, away from the baffle (11), of the buffer spring (12) is fixed with a buffer plate (13), and one side, away from the buffer spring (12), of the buffer plate (13) is abutted to the input end of the pressure sensor (9).

5. The pulley apparatus for oil tanker according to claim 2, wherein: adjusting device (8) include first screw rod (14), support arm (5) are for having two parallel plane's oval structure, the one end of support arm (5) is equipped with screw hole (15), two parallel plane of support arm (5) are run through in screw hole (15), first screw rod (14) are connected with screw hole (15) meshing, the one end of first screw rod (14) is connected with its pivoted drive arrangement (16) of drive.

6. The pulley apparatus for oil tanker according to claim 5, wherein: the driving device (16) comprises a first rotating shaft (17), a first gear (18), a supporting plate (19) and a driving motor (20), two ends of the first rotating shaft (17) are respectively fixed with the first screw (14) and the first gear (18), and the middle part of the first rotating shaft (17) is rotationally connected with the supporting plate (19) through a bearing, the supporting plate (19) is fixed with a supporting leg (21), the supporting leg (21) is fixed with the shell (1), the first gear (18) is engaged with a second gear (22), a second rotating shaft (29) is axially fixed on the second gear (22), the second rotating shaft (29) is rotationally connected with the supporting plate (19) through a bearing, the output end of the driving motor (20) is fixed with one end, far away from the second gear (22), of the second rotating shaft (29), and the driving motor (20) is fixed with the supporting plate (19).

7. The pulley apparatus for oil tanker according to claim 6, wherein: the port department screw thread that support arm (5) were equipped with screw hole (15) one end has second screw rod (23), the one end of second screw rod (23) is fixed with knob (24).

8. The pulley apparatus for oil tanker according to claim 2, wherein: casing (1) is fixed with a fixed section of thick bamboo (25) with the junction of support arm (5), a fixed section of thick bamboo (25) runs through casing (1), support arm (5) cup joint the inboard at a fixed section of thick bamboo (25), sliding clamping has a plurality of balls (26) on the inner wall of a fixed section of thick bamboo (25), support arm (5) and ball (26) sliding connection.

9. The pulley apparatus for oil tanker according to claim 8, wherein: the outer side of the supporting arm (5) is provided with a sliding groove (27) matched with the ball (26), and the ball (26) slides in the sliding groove (27).

10. The pulley apparatus for oil tanker according to claim 2, wherein: an oil filling hole (28) is formed in the upper portion of the supporting cylinder (6), and the oil filling hole (28) is communicated with the inside of the supporting cylinder (6).

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