CN210555485U - Ship towing hook supporting device - Google Patents
Ship towing hook supporting device Download PDFInfo
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- CN210555485U CN210555485U CN201921529323.4U CN201921529323U CN210555485U CN 210555485 U CN210555485 U CN 210555485U CN 201921529323 U CN201921529323 U CN 201921529323U CN 210555485 U CN210555485 U CN 210555485U
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- towing hook
- shaped track
- circular arc
- ship
- roller
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Abstract
The utility model discloses a ship towing hook supporting device, which comprises a roller mechanism and an arc-shaped track, wherein the ship towing hook is positioned at the upper side of a towing hook platform, a hinge seat is vertically fixed on a bulkhead at the position of 5% -10% of the ship length from the middle point of the ship length towards one end of a stern, and the rear end of the ship towing hook is hinged with the hinge seat through a vertically arranged hinge pin; the lower side of the ship towing hook is supported on the circular arc-shaped track through the roller mechanism, and the lower side of the circular arc-shaped track is supported on the towing hook platform through the circular arc-shaped track height fine adjustment mechanism. The utility model discloses the moment of flexure that boats and ships tow hook bore has been reduced greatly, has obviously reduced the stress of hinge pin and articulated seat to prolong its life. The limit seats at the two ends of the circular arc-shaped track limit the swing angle of the ship towing hook, and the ship towing hook is guaranteed not to collide with upper buildings on the two sides of the ship body, so that the safety of towing operation is guaranteed.
Description
Technical Field
The utility model relates to a tow hook device of tow boat especially relates to a strutting arrangement of tow hook bottom, belongs to ship engineering technical field.
Background
Tug boats and other similar vessels are towed at short distances offshore using a tow hook, which is usually mounted at a position behind the midpoint of the length of the vessel and which, in various loading conditions, should not be located in front of the longitudinal position of the center of gravity of the tug boat and is located as low as possible to minimize the moment of list during normal operation of the tug boat and ensure safe sailing of the tug boat.
The towing hook device of the existing ship is arranged on a bulkhead in a cantilever mode, and the rear end of the towing hook device is hinged with a hinge seat, one end of which is fixed on the bulkhead, through a pin shaft. When the towing hook tows other ships to sail, the workload borne by the ship towing hook is transferred to the hinged seat through the pin shaft, and the ship towing hook can swing around the axis of the pin shaft to meet the requirement of towing sailing. The towing hook device has the following disadvantages: 1. after long-term service, the towing hook device with the cantilever structure is subjected to the self-weight and the reaction force of towing navigation, the pin shaft and the hinge seat are abraded, so that the gap between the pin shaft and the hinge hole of the hinge seat is increased, and potential safety hazards are caused; even causing serious accidents of the crack of the welding seam of the hinged seat and the cabin wall and the falling of the towing hook device. 2. Because the ship towing hook can swing around the axis of the pin shaft, if the operation is not proper, the swing of the ship towing hook is over-limit, and other buildings or equipment on the ship can be damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a boats and ships tow hook strutting arrangement improves the stress state of round pin axle and articulated seat, prolongs tow hook device's life, improves tow hook device's safety in utilization.
The utility model discloses a following technical scheme realizes:
a ship towing hook supporting device comprises a roller mechanism and an arc-shaped track, wherein a ship towing hook is positioned on the upper side of a towing hook platform, a hinge joint seat is vertically fixed on a bulkhead of a ship length position, 5% -10% of the ship length position is towards one end of a stern, of the middle point of the ship length position, and the rear end of the ship towing hook is hinged with the hinge joint seat through a vertically arranged hinge pin; the lower side of the ship towing hook is supported on the circular arc-shaped track through the roller mechanism, and the lower side of the circular arc-shaped track is supported on the towing hook platform through the circular arc-shaped track height fine adjustment mechanism.
The object of the invention is further achieved by the following technical measures.
Further, the roller mechanism comprises a roller, a roller seat and a roller shaft, the roller seat is n-shaped, the upper side of the roller seat is fixed on the lower side of the middle part of the ship towing hook, the roller is hinged with the roller seat through the roller shaft which passes through the middle part of the roller seat and the center of the roller, and the outer edge of the roller is abutted against the top surface of the circular arc track; the peripheral surface of the roller is spherical.
Furthermore, the cross section of the circular arc track is box-shaped, and comprises an upper plate and a lower plate, wherein the planes of the upper plate and the lower plate are circular arc strips, and an outer vertical plate and an inner vertical plate which are bent into a circular arc shape are welded into the circular arc track. And the two ends of the circular arc-shaped track are respectively provided with a limiting seat, each limiting seat comprises a vertical baffle and a rib plate welded with the vertical baffle and the top surface of the circular arc-shaped track, and the radius R of the central line of the circular arc-shaped track is increased gradually along with the increasing of the working load of the ship towing hook.
Furthermore, the height fine-adjustment mechanism for the circular arc-shaped track comprises a plurality of fine-adjustment units which are arranged between the bottom of the circular arc-shaped track and the towing hook platform at intervals and used for adjusting the levelness of the top surface of the circular arc-shaped track, each fine-adjustment unit comprises an inverted L-shaped pressing plate and a tightening screw, the lower end of the tightening screw is vertically screwed into the bottom of the circular arc-shaped track and then abuts against the towing hook platform, the tightening screw is locked by a nut, and a plurality of gasket groups are inserted between the lower side of the circular arc-shaped track and the top surface; the top cross rod of the inverted L-shaped pressing plate positioned on the outer side of the jacking screw presses the outer edge of the bottom of the circular arc-shaped track.
The utility model discloses a boats and ships tow hook downside passes through gyro wheel mechanism to be supported on convex track, convex orbital downside supports the structure on the tow hook platform through convex track height fine-tuning, changes the cantilever beam that boats and ships tow hook downside does not have the support into the simply supported beam of two point supports, has reduced the moment of flexure that boats and ships tow hook bore greatly, has obviously reduced the stress of articulated round pin and articulated seat to prolong its life. The limit seats at the two ends of the circular arc-shaped track limit the swing angle of the ship towing hook, and the ship towing hook is guaranteed not to collide with upper buildings on the two sides of the ship body, so that the safety of towing operation is guaranteed.
The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a reduced view of the present invention in the direction a (the ship tow hook support device is not shown in the figure);
FIG. 3 is a cross-sectional view B-B of FIG. 2 (the boat tow hook support is not shown);
FIG. 4 is an enlarged view of FIG. 3 from direction C;
fig. 5 is an enlarged view of a portion i of fig. 1.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-4, the utility model discloses a gyro wheel mechanism 1 and circular arc track 2, boats and ships tow hook 10 are located the tow hook platform 20 upside, and articulated seat 3 vertical fixation is on bulkhead 30, and bulkhead 30 is located boats and ships length department that 5% ~ 10% was held towards stern in the middle point of the length of boats and ships, and boats and ships tow hook 10 rear end is articulated with articulated seat 3 through the articulated round pin 4 of perpendicular setting. The lower side of the ship towing hook 10 is supported on the circular arc-shaped track 2 through the roller mechanism 1, and the lower side of the circular arc-shaped track 2 is supported on the towing hook platform 20 on the upper side of the main deck 40 through the circular arc-shaped track height fine adjustment mechanism 5.
The roller mechanism 1 comprises a roller 11, a roller seat 12 and a roller shaft 13, wherein the roller seat 12 is n-shaped, the upper side of the roller seat 12 is fixed at the lower side of the middle part of the ship towing hook 10, the roller 11 is hinged with the roller seat 12 through the roller shaft 13 which passes through the middle part of the roller seat 12 and the center of the roller 11, the outer edge of the roller 11 is abutted against the top surface of the circular arc-shaped track 2, and the outer peripheral surface of the roller 11 is spherical. The structure ensures that the roller 11 is always in point contact with the top surface of the circular arc track 2, and improves the reliability of the roller mechanism 1 for supporting the ship towing hook 10.
The cross section of the circular arc track 2 is box-shaped, and comprises an upper plate 21 and a lower plate 22 which are provided with circular arc strips on the plane, and an outer vertical plate 23 and an inner vertical plate 24 which are bent into a circular arc shape, wherein the upper plate 21, the lower plate 22, the outer vertical plate 23 and the inner vertical plate 24 are welded into the circular arc track 2, so that the strength of the circular arc track 2 is improved. The two ends of the circular arc track 2 are respectively provided with a limiting seat 6 which comprises a vertical baffle 61 and a rib plate 62 welded with the vertical baffle 61 and the top surface of the circular arc track. The limit seat 6 limits the swing angle of the ship towing hook 10 around the axis of the hinge pin 4, the swing angle can be adjusted according to the area of the towing hook platform 20 on the lower side of the ship towing hook 10, and the ship towing hook can not collide with the superstructure on two sides of the ship body, so that the safety of towing operation is ensured. The radius R of the central line of the circular arc-shaped track increases with the increasing of the working load of the ship towing hook 10, and when the working load F = 600-900 kN, the corresponding radius R = 800-850 mm.
As shown in fig. 5, the circular arc track height fine adjustment mechanism 5 includes a plurality of fine adjustment units which are arranged between the bottom of the circular arc track 2 and the towing hook platform 20 at intervals and used for adjusting the levelness of the top surface of the circular arc track 2, each fine adjustment unit includes an inverted L-shaped pressing plate 51 and a tightening screw 52, the lower end of the tightening screw 52 is vertically screwed into the bottom of the circular arc track 2 and then abuts against the towing hook platform 20, and the tightening screw 52 is locked by a nut 53. And a plurality of groups of gasket groups 54 are inserted between the lower side of the circular arc-shaped track 2 and the top surface of the towing hook platform 20 at intervals to cushion the circular arc-shaped track 2. The top cross bar 511 of the inverted-L-shaped pressing plate 51 positioned outside the jacking screw 52 presses the outer edge of the lower plate 22 at the bottom of the circular arc-shaped track 2, so that the top surface of the circular arc-shaped track 2 is always kept in a horizontal state, and the circular arc-shaped track 2 is limited in the horizontal direction and the vertical direction of the plane of the towing hook platform 20, thereby providing more reliable support for the ship towing hook 10.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (5)
1. A ship towing hook supporting device is characterized in that a ship towing hook is positioned on the upper side of a towing hook platform, a hinge seat is vertically fixed on a bulkhead of a position, 5% -10% of the length of a ship, of which the middle point of the length of the ship faces to a stern, and the rear end of the ship towing hook is hinged with the hinge seat through a vertically arranged hinge pin; the method is characterized in that: the ship towing hook platform is characterized by further comprising a roller mechanism and an arc-shaped track, wherein the lower side of the ship towing hook is supported on the arc-shaped track through the roller mechanism, and the lower side of the arc-shaped track is supported on the towing hook platform through the arc-shaped track height fine adjustment mechanism.
2. The boat tow hook support device according to claim 1, wherein: the roller mechanism comprises a roller, a roller seat and a roller shaft, the roller seat is n-shaped, the upper side of the roller seat is fixed on the lower side of the middle part of the ship towing hook, the roller is hinged with the roller seat through the roller shaft which passes through the middle part of the roller seat and the center of the roller, and the outer edge of the roller is abutted against the top surface of the circular arc track; the peripheral surface of gyro wheel is spherical.
3. The boat tow hook support device according to claim 1, wherein: the cross section of the arc-shaped track is box-shaped, and comprises an upper plate and a lower plate, wherein the planes of the upper plate and the lower plate are arc-shaped strips, and an outer vertical plate and an inner vertical plate which are bent into an arc shape are welded into the arc-shaped track; the radius R of the center line of the circular arc-shaped track increases with the increasing traction force of the ship towing hook.
4. The boat tow hook support device according to claim 1, wherein: and two ends of the circular arc-shaped track are respectively provided with a limiting seat, and each limiting seat comprises a vertical baffle and a rib plate welded with the vertical baffle and the top surface of the circular arc-shaped track respectively.
5. The boat tow hook support device according to claim 1, wherein: the height fine-adjustment mechanism for the circular arc-shaped track comprises a plurality of fine-adjustment units which are arranged between the bottom of the circular arc-shaped track and the towing hook platform at intervals and used for adjusting the levelness of the top surface of the circular arc-shaped track, each fine-adjustment unit comprises an inverted L-shaped pressing plate and a jacking screw, the lower end of each jacking screw is vertically screwed into the bottom of the circular arc-shaped track and then abuts against the towing hook platform, the jacking screw is locked by a nut, and a plurality of gasket groups are inserted between the lower side of the circular arc-shaped track and the; the top cross rod of the inverted L-shaped pressing plate positioned on the outer side of the jacking screw presses the outer edge of the bottom of the circular arc-shaped track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921529323.4U CN210555485U (en) | 2019-09-16 | 2019-09-16 | Ship towing hook supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921529323.4U CN210555485U (en) | 2019-09-16 | 2019-09-16 | Ship towing hook supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210555485U true CN210555485U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921529323.4U Active CN210555485U (en) | 2019-09-16 | 2019-09-16 | Ship towing hook supporting device |
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|---|---|
| CN (1) | CN210555485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450918A (en) * | 2019-09-16 | 2019-11-15 | 江苏省镇江船厂（集团）有限公司 | Ship tow hook support device |
-
2019
- 2019-09-16 CN CN201921529323.4U patent/CN210555485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450918A (en) * | 2019-09-16 | 2019-11-15 | 江苏省镇江船厂（集团）有限公司 | Ship tow hook support device |
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