CN218141994U

CN218141994U - Knife switch structure of knife switch chain stopper for ship

Info

Publication number: CN218141994U
Application number: CN202222792569.9U
Authority: CN
Inventors: 钱文华; 胡慕荣; 谭晓璐; 徐雷; 陈凯恩; 钱文东; 姚敏
Original assignee: Changshu Haixin Ship Machinery Manufacture Co ltd
Current assignee: Changshu Haixin Ship Machinery Manufacture Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2022-12-27
Anticipated expiration: 2032-10-21

Abstract

A knife switch structure of knife switch chain stopper for ship, comprising a base, a pair of first and second wall boards fixed above the base at intervals, a roller rotatably supported between the first and second wall boards, and a knife switch arranged between the first and second wall boards and above the roller, one end of the knife switch is rotatably arranged on the first wall board, and the other end is arranged on the second wall board, characterized in that: the switch blade is formed with a groove of stepping down in length direction's middle part and towards one side of gyro wheel, and it has an inclined plane to constitute on the up end in groove of stepping down, is formed with an obtuse angle between the preceding lateral wall of this inclined plane and switch blade. The advantages are that: the stress point is effectively moved to the middle part of the switch blade and is perpendicular to the direction of the inclined plane, so that the stress of the switch blade is more uniform, and the condition that the switch blade is cracked due to the fracture of the corner part in the prior art is avoided.

Description

Knife switch structure of knife switch chain stopper for ship

Technical Field

The utility model belongs to the technical field of marine chain stopping equipment, concretely relates to knife switch structure of marine knife switch chain stopper.

Background

The ship anchor is one of essential parts on every ship that searches for, and the ship keeps the location to external force such as anti-wind, stream with the help of anchor to the underwater holding power, the drag of anchor chain and underwater and the gravity of anchor chain, and the ship anchor generally receives and releases by motor drive capstan winch, and the anchor chain is after accomplishing to pack up or to release the action, in order to prevent that anchor and anchor chain from dragging capstan winch and motor and causing the damage, some boats and ships can be equipped with a chain stopper in the cabin and embrace the anchor chain. Current chain stopper generally adopts both sides wallboard supporting roller and plug-in strip cooperation gyro wheel to block the structure of anchor chain, but discovers in the in-service use: the anchor chain often strikes the lower corner of the blade, and over time the lower corner of the blade is chipped, and even the entire blade is broken off, causing unnecessary trouble and loss.

In view of the above, there is a need for a blade structure of a marine blade chain stopper, which has a simple structure, can prevent a chain from striking a corner of the blade, and is uniformly stressed. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knife switch structure of marine knife switch chain stopper, the atress is even when helping improving the contact structure of knife switch and anchor chain to make the contact of knife switch and anchor chain, avoids the cracked and then cracked condition of knife switch bight to take place.

The utility model aims at reaching like this, a knife switch structure of marine knife chain stopper, fix the gyro wheel and the knife switch that sets up between first wallboard and second wallboard and lie in the gyro wheel top between first wallboard and second wallboard including a base, a pair of interval, a rotatory ground supporting between first wallboard and second wallboard, the one end of knife switch rotationally sets up on first wallboard, and the other end is shelved on the second wallboard, and characteristics are: the switch blade is formed with a groove of stepping down in length direction's middle part and towards one side of gyro wheel, and it has an inclined plane to constitute on the up end in groove of stepping down, is formed with an obtuse angle between the preceding lateral wall of this inclined plane and switch blade.

In a specific embodiment of the present invention, the depth H of the abdicating groove is half of the thickness H of the knife; the obtuse angle is 120-135 degrees.

In another specific embodiment of the present invention, the knife is provided with a knife locking lug below a side close to the first wall plate, and the first wall plate is provided with a knife locking lug fixing seat matched and connected with the knife locking lug at a side corresponding to the knife locking lug; the switch blade still constitutes an hydro-cylinder engaging lug in the below that is close to first wallboard one side, first wallboard be fixed with an hydro-cylinder connecting seat on the position that is located hydro-cylinder engaging lug below, the hydro-cylinder connecting seat on articulated have an hydro-cylinder, the upper end of hydro-cylinder constitutes there is an hydro-cylinder post, this hydro-cylinder post upwards extend and with the hydro-cylinder engaging lug articulated.

In another specific embodiment of the present invention, a circle of hawse line groove is formed in the circumferential direction of the roller; the center of the roller is rotationally supported between the first wall plate and the second wall plate through a roller shaft, a pair of sliding sleeves is arranged between the roller and the roller shaft, and roller shaft fixing shaft sleeves are respectively arranged between the roller shaft and the first wall plate as well as between the roller shaft and the second wall plate.

In another specific embodiment of the present invention, the first wall plate has a knife installation cavity, one end of the knife is hinged to the wall of the knife installation cavity through a hinge shaft, the second wall plate has a knife storage cavity at the position corresponding to the knife installation cavity, the other end of the knife is placed in the knife storage cavity and connected with the wall of the knife storage cavity through a knife plug.

In still another embodiment of the present invention, a counterweight is fixed on one end of the knife switch near the first wall plate, the knife switch locking lug is arranged below the counterweight, and a counterweight handle is arranged on the counterweight; a knife handle is fixed on the other end of the knife close to one side of the second wall plate.

In yet another specific embodiment of the present invention, the first wall plate is formed with a first wall plate reinforcing rib at a side facing away from the roller.

In a more specific embodiment of the present invention, the second wall plate is formed with a second wall plate reinforcing rib at a side facing away from the roller.

In a more specific embodiment of the present invention, the switch locking lug fixing seat is provided with a switch locking lug pin shaft, and the switch locking lug pin shaft is connected to the switch locking lug when the switch is in an open state.

The utility model discloses because switch blade and anchor chain striking department have adopted the groove of stepping down and have formed obtuse structure through the inclined plane, therefore remove the stress point to the switch blade middle part effectively and make the direction on atress perpendicular to inclined plane, make the atress of switch blade more even, avoided among the prior art because of the cracked and then cracked condition emergence of switch blade bight.

Drawings

Fig. 1 is a front sectional view of the knife blade in the closed state.

Fig. 2 is a front sectional view of the knife blade in the open state of the present invention.

Fig. 3 is a schematic cross-sectional view of the knife switch of the present invention.

In the figure: 1. the structure comprises a base, 11, a first wall plate, 111, a knife locking lug fixing seat, 1111, a knife locking lug pin shaft, 112, an oil cylinder connecting seat, 1121, a knife bolt, 113, a knife installation cavity, 1131, a hinge shaft, 114, a first wall plate reinforcing rib, 12, a second wall plate, 121, a knife placing cavity and 122, a second wall plate reinforcing rib; 2. the roller, 21, the anchor chain groove, 22, the roller shaft, 221, the roller shaft fixing shaft sleeve, 222 and the sliding sleeve; 3. the hydraulic cylinder comprises a knife switch, 31, a balance weight, 311, a knife switch locking lug, 312, a balance weight handle, 32, a cylinder connecting lug, 33, a knife switch handle, 34, an abdicating groove, 341, an inclined plane and 342, and an obtuse angle; 4. oil cylinder, 41 oil cylinder.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes made in the form of the present invention rather than the essential changes should be considered as the protection scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position of fig. 1, and thus should not be construed as particularly limiting the technical solutions provided by the present invention.

Referring to fig. 1, 2 and 3, the present invention relates to a knife structure of a marine knife chain stopper, which comprises a base 1, a pair of first wall plate 11 and second wall plate 12 fixed above the base 1 at an interval, a roller 2 rotatably supported between the first wall plate 11 and the second wall plate 12, and a knife 3 disposed between the first wall plate 11 and the second wall plate 12 and above the roller 2, wherein one end of the knife 3 is rotatably disposed on the first wall plate 11, and the other end is disposed on the second wall plate 12. As the technical essential of the utility model: the knife blade 3 has a receding groove 34 formed at the middle part of the length direction and at one side facing the roller 2, an inclined surface 341 is formed on the upper end surface of the receding groove 34, and an obtuse angle 342 is formed between the inclined surface 341 and the front side wall of the knife blade 3. In this embodiment, the depth H of the receding groove 34 is about one half of the thickness H of the blade 3; the obtuse angle 342 is set to an angle of 120 ° to 135 °, preferably 125 °.

Furthermore, a knife locking lug 311 is formed below one side of the knife 3 close to the first wall plate 11, a knife locking lug fixing seat 111 which is matched and connected with the knife locking lug 311 is formed on one side of the first wall plate 11 corresponding to the knife locking lug 311, a knife locking lug pin 1111 is arranged on the knife locking lug fixing seat 111, and the knife locking lug pin 1111 is connected with the knife locking lug 311 when the knife 3 is in an open state; the switch blade 3 is further provided with a cylinder connecting lug 32 below one side close to the first wall plate 11, the first wall plate 11 is fixed with a cylinder connecting seat 112 at a position below the cylinder connecting lug 32, a cylinder 4 is hinged on the cylinder connecting seat 112, an upper end of the cylinder 4 is provided with a cylinder column 41, and the cylinder column 41 extends upwards and is hinged with the cylinder connecting lug 32.

Furthermore, a circle of hawse line groove 21 is formed in the circumferential direction of the roller 2. The center of the roller 2 is rotatably supported between the first wall plate 11 and the second wall plate 12 through a roller shaft 22, a pair of sliding sleeves 222 are provided between the roller 2 and the roller shaft 22, and a roller shaft fixing bushing 221 is provided between the roller shaft 22 and the first wall plate 11, the second wall plate 12, respectively.

Referring to fig. 1 and 2, a blade mounting cavity 113 is formed above the first wall plate 11, one end of the blade 3 is hinged to the wall on both sides of the blade mounting cavity 113 through a hinge shaft 1131, the second wall plate 12 is formed with a blade resting cavity 121 at a position corresponding to the blade mounting cavity 113, and the other end of the blade 3 rests in the blade resting cavity 121 and can be connected to the wall on both sides of the blade resting cavity 121 through a blade pin 1211 in a plug-in and-out manner. The first wall panel 11 is formed with a first wall panel reinforcement 114 on the side facing away from the roller 2. The aforementioned second wall panel 12 is formed with a second wall panel reinforcement 122 on the side facing away from the roller 2.

Further, a counterweight 31 is fixed to one end of the knife blade 3 on the side close to the first wall plate 11, the knife blade locking lug 311 is arranged below the counterweight 31, and a counterweight handle 312 is arranged on the counterweight 31; a blade handle 33 is fixed to the other end of the blade 3 on the side close to the second wall plate 12.

Referring to fig. 1 in conjunction with fig. 2 and 3, the working process of the present invention is described: the anchor chain is placed in the anchor chain groove 21 of the roller 2 to slide, when the anchor chain finishes the furling action or the anchor releasing action, the oil cylinder 4 is driven to work, the oil cylinder 4 pushes the oil cylinder column 41 to enable one end of the knife switch 3 to rotate anticlockwise around the hinge shaft 1131 until the other end of the knife switch 3 is placed in the knife switch placing cavity 121, the knife switch bolt 1211 is inserted between the knife switch 3 and the walls on the two sides of the knife switch placing cavity 121 to realize the plug-in type connection and fixation, and the knife switch 3 is always pushed to rotate by the oil cylinder 4 in the rotating process, so that the knife switch 3 cannot be squeezed open to hurt surrounding personnel when the anchor chain impacts the knife switch 3; when the anchor chain needs to be folded or the anchor needs to be released, the switch blade bolt 1211 is pulled out, the oil cylinder 4 is driven to work to retract the oil cylinder column 41, the switch blade 3 rotates clockwise around the hinge shaft 1131 until the locking lug 311 on the counterweight 31 rotates to the switch blade locking lug fixing seat 111, and the switch blade locking lug pin shaft 1111 is inserted into the locking lug 311 and the switch blade locking lug fixing seat 111 to realize the connection and fixation of the switch blade locking lug and the switch blade locking lug fixing seat 111. In the process, when the anchor chain collides with the knife switch 3, the anchor chain always impacts on the obtuse angle 342 side of the knife switch 3 and is forced to be vertical to the direction of the inclined surface 341, so that the situation that the corner of the knife switch is crushed is effectively prevented.

Claims

1. A blade structure of a marine blade chain stopper, comprising a base (1), a pair of first and second wall plates (11, 12) fixed above the base (1) at an interval, a roller (2) rotatably supported between the first and second wall plates (11, 12), and a blade (3) disposed between the first and second wall plates (11, 12) and above the roller (2), one end of the blade (3) being rotatably disposed on the first wall plate (11) and the other end thereof being disposed on the second wall plate (12), characterized in that: the switch blade (3) is formed with a groove of stepping down (34) in length direction's middle part and towards one side of gyro wheel (2), constitutes on the up end of groove of stepping down (34) an inclined plane (341), is formed with an obtuse angle (342) between the preceding lateral wall of this inclined plane (341) and switch blade (3).

2. The blade structure of a marine blade chain stopper according to claim 1 wherein the depth H of the relief groove (34) is one half of the thickness H of the blade (3); the obtuse angle (342) is 120-135 degrees.

3. The knife structure of a marine knife chain stopper according to claim 1, characterized in that the knife (3) is formed with a knife locking lug (311) below the side close to the first wall plate (11), and the first wall plate (11) is formed with a knife locking lug fixing seat (111) engaged with the knife locking lug (311) at the side corresponding to the knife locking lug (311); knife switch (3) still constitute and have an hydro-cylinder engaging lug (32) in the below that is close to first wallboard (11) one side, first wallboard (11) be fixed with an hydro-cylinder connecting seat (112) on the position that lies in hydro-cylinder engaging lug (32) below, hydro-cylinder connecting seat (112) on articulated have a hydro-cylinder (4), the upper end of hydro-cylinder (4) constitutes has a hydro-cylinder post (41), this hydro-cylinder post (41) upwards extend and with hydro-cylinder engaging lug (32) articulated.

4. The knife switch structure of the marine knife chain stopper according to claim 1, characterized in that a circle of hawse line groove (21) is formed in the circumferential direction of the roller (2); the center of the roller (2) is rotatably supported between the first wall plate (11) and the second wall plate (12) through a roller shaft (22), a pair of sliding sleeves (222) are arranged between the roller (2) and the roller shaft (22), and roller shaft fixing shaft sleeves (221) are respectively arranged between the roller shaft (22) and the first wall plate (11) and the second wall plate (12).

5. The blade structure of a marine blade chain stopper according to claim 1, wherein a blade mounting cavity (113) is formed above the first wall plate (11), one end of the blade (3) is hinged to the walls on both sides of the blade mounting cavity (113) by a hinge shaft (1131), the second wall plate (12) is formed with a blade resting cavity (121) at a position corresponding to the blade mounting cavity (113), and the other end of the blade (3) rests in the blade resting cavity (121) and is capable of forming a plug-in connection with the walls on both sides of the blade resting cavity (121) by a blade plug (1211).

6. A blade structure of a marine blade chain stopper according to claim 3, wherein said blade (3) has a counterweight (31) fixed to an end portion of the blade adjacent to the first wall plate (11), said blade locking lug (311) is disposed below the counterweight (31), and a counterweight handle (312) is further disposed on the counterweight (31); a knife handle (33) is fixed on the other end of the knife (3) close to one side of the second wall plate (12).

7. The blade structure of a marine blade chain stopper according to claim 1, wherein the first wall plate (11) is formed with a first wall plate reinforcing rib (114) at a side facing away from the roller (2).

8. The blade structure of a marine blade chain stopper as claimed in claim 1, wherein the second wall plate (12) is formed with a second wall plate reinforcement rib (122) on a side facing away from the roller (2).

9. The knife structure of marine knife chain stopper according to claim 3, characterized in that the knife locking lug fixing seat (111) is provided with a knife locking lug pin shaft (1111), and the knife locking lug pin shaft (1111) is connected with the knife locking lug (311) when the knife (3) is in an open state.