CN114952668A

CN114952668A - Hyperbolic shell plate allowance cutting part start-stop port extension device

Info

Publication number: CN114952668A
Application number: CN202210769056.8A
Authority: CN
Inventors: 龚一震; 贺霄; 张富春; 高秀文; 周伟; 师海波; 王赵峰; 张玉莹; 孙龙华; 陆军
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-08-30

Abstract

The invention discloses a hyperbolic outer plate allowance cutting part start-stop port extending device, which relates to the technical field of ship construction and comprises a box body, wherein a gear is rotatably connected inside the box body, a main plate body is arranged outside the box body, the box body is connected with the main plate body through a support, racks are respectively meshed and connected with two sides of the gear, a ratchet wheel is connected to one side of the gear, a connecting rod is connected to one side of each rack, a clamping plate is arranged at one end of each connecting rod, a knob is connected to one side of each ratchet wheel, and a locking mechanism is arranged at a position, above the ratchet wheel, of one side of the box body. This hyperbolic planking surplus cutting part start-stop port extension fixture is provided with gear, rack and splint, drives gear revolve through the knob, and under the meshing of gear and rack rotates, drives two splint and realizes the ascending relative movement in vertical side to make two splint press from both sides the panel of treating the cutting, alright fix one side at panel with whole device.

Description

Hyperbolic shell plate allowance cutting part start-stop port extension device

Technical Field

The invention relates to the technical field of ship construction, in particular to a hyperbolic outer plate allowance cutting part start-stop port extending device.

Background

A ship is a man-made vehicle that operates primarily in geographic water. The interior mainly includes a containment space, a support structure, a drainage structure, and a propulsion system utilizing external or self-contained energy sources, the exterior generally being a streamlined envelope that facilitates overcoming fluid resistance. In the construction of a ship body, hyperbolic parts in bow and stern areas of the ship body have complicated line shapes and thick plate thicknesses, so that the plate thickness allowance of two times is added around the parts in order to ensure part lofting and machining accuracy. Excessive machining allowance after the part is machined and formed can bring great influence to the subsequent assembly precision, the subsequent operation is high-altitude operation, great potential safety hazards exist in the trimming and cutting allowance process, such as objects falling from the high altitude, and therefore the plate allowance needs to be cut off after the part is machined and formed.

In prior art, generally, handheld cutting equipment cuts to the board surplus by the workman, nevertheless at the handheld equipment in-process, difficult messenger cutting equipment keeps stable state, leads to the cutting plane in part port region to have the mother metal incised wound phenomenon of different degrees easily, and follow-up need drop into a large amount of manpowers, material resources and weld repair, polish and repair work such as material detection, greatly increased cost in business to incised wound region.

Disclosure of Invention

The invention aims to solve the defects that in the process of holding equipment by hands, the cutting equipment is difficult to keep in a stable state, and the cutting surface of the port area of a part is easy to have base material cutting phenomena with different degrees in the prior art, and provides a starting and stopping port extension device for cutting the part by using the allowance of a hyperbolic outer plate.

In order to achieve the purpose, the invention adopts the following technical scheme:

hyperbolic planking surplus cutting part start-stop port extension fixture, comprises a box bod, the inside of box body is rotated and is connected with the gear, just the outside of box body is provided with the mainboard body, the box body with link to each other through the support between the mainboard body, the both sides of gear all mesh and are connected with the rack, just one side of gear is connected with the ratchet, one side of rack is connected with the connecting rod, the one end of connecting rod is provided with splint, one side of ratchet is connected with the knob, one side of box body is located the top position department of ratchet is provided with locking mechanism.

Preferably, locking mechanism includes the casing, the inside through connection of casing has branch, the lower extreme of branch is connected with the locking piece, just the upper end of branch is connected with the handle, the surface of branch is located the connecting block has been cup jointed to the top of locking piece, just the outside of branch is located the connecting block with the cover is equipped with the spring between the casing.

Preferably, a first holding tank is arranged in the main plate body, a secondary plate body is connected to the inside of the first holding tank in a sliding mode, and the longitudinal section of the secondary plate body is of an inverted T-shaped structure.

Preferably, the connecting block is connected with the supporting rod in a sliding mode, and the size of the connecting block is equal to that of the inner wall of the shell.

Preferably, one side of the locking block is provided with a clamping groove part, and the other side of the locking block is provided with a bevel part.

Preferably, the upper end of the shell is provided with a hole at a position corresponding to the support rod, and damping strips are uniformly arranged inside the hole.

Preferably, both sides of the rack are fixed with limit blocks, and limit grooves are formed in the positions, corresponding to the limit blocks, in the box body.

Preferably, the one end of subplate body is fixed with the limiting plate, the inner wall of first holding tank seted up with limiting plate complex spout.

Preferably, a second accommodating groove is formed in the secondary plate body, a filling plate is connected to the inside of the second accommodating groove in a sliding mode, and a supporting plate is fixed above the filling plate.

Preferably, the upper surface of the main plate body is provided with a groove matched with the supporting plate, and one end of the supporting plate is provided with an anti-slip strip.

Compared with the prior art, the invention has the beneficial effects that:

1. the extension device for the starting and stopping ports of the hyperbolic outer plate allowance cutting part is provided with a gear, a rack and clamping plates, the gear is driven to rotate through a knob, and the two clamping plates are driven to realize relative movement in the vertical direction under the meshing rotation of the gear and the rack, so that the two clamping plates clamp a plate to be cut, and the whole device can be fixed on one side of the plate;

2. the double-curved outer plate allowance cutting part start-stop port extending device is provided with a clamping mechanism, in order to prevent a clamping plate positioned below from being subjected to the action of gravity to enable a rack to automatically rotate, a clamping groove part of a locking block can clamp teeth on a ratchet wheel, which are abutted against the clamping groove part, so that the ratchet wheel is prevented from automatically rotating, and the two clamping plates are stabilized;

3. the start-stop port extension device for the hyperbolic outer plate allowance cutting part is provided with a main plate body, a secondary plate body, a filling plate and a support plate, the support plate can ensure the smoothness between the main plate body and the secondary plate body after the total length of the main plate body and the secondary plate body is extended, so that a cutting worker can arrange a cutting frame on the main plate body and the secondary plate body to provide stable supporting force for a cutting machine, the cutting machine is more convenient for the worker to cut allowance parts of the hyperbolic outer plate, the possibility of wood cutting is greatly reduced, and the enterprise loss is reduced to a certain degree;

4. this hyperbolic planking surplus cutting part starts and ends port extension fixture is provided with first holding tank and second holding tank, when not using this device, takes off earlier infill panel and backup pad to put into the second holding tank, again with the inferior plate weight push first holding tank again, shorten the total length of mainboard body and inferior plate body, thereby be more convenient for to accomodating of this device, save space.

Drawings

FIG. 1 is a schematic structural diagram of a start-stop port extension device of a hyperbolic outer plate allowance cutting part provided by the invention;

FIG. 2 is a schematic structural diagram of a box body in the extension device for the start-stop port of the hyperbolic outer plate allowance cutting part provided by the invention;

FIG. 3 is a schematic diagram of a back structure of a box body in the extension device for the start-stop port of the hyperbolic outer plate allowance cutting part provided by the invention;

FIG. 4 is a schematic cross-sectional view of a box body in the extension device for the start-stop port of the hyperbolic outer plate allowance cutting part provided by the invention;

FIG. 5 is a schematic structural view of a hole in a start-stop port extension device of a hyperbolic outer plate allowance cutting part provided by the invention;

FIG. 6 is a schematic structural diagram of a filler plate, a support plate and a main plate body in the extension device for the start-stop port of the hyperbolic outer plate allowance cutting part provided by the invention;

fig. 7 is a schematic cross-sectional structure diagram of a main plate body, a sub-plate body and a filling plate in the extension device for the start-stop port of the hyperbolic outer plate allowance cutting part provided by the invention.

In the figure: 1. a box body; 2. a gear; 3. a rack; 4. a connecting rod; 5. a splint; 6. a limiting block; 7. a ratchet wheel; 8. a housing; 9. a strut; 10. a locking block; 11. a handle; 12. connecting blocks; 13. a spring; 14. a hole; 15. a knob; 16. a main board body; 17. a support; 18. a first accommodating groove; 19. a secondary plate body; 20. a limiting plate; 21. a chute; 22. a second accommodating groove; 23. a infill panel; 24. a support plate; 25. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, the hyperbolic outer plate allowance cutting part starting and stopping port extension device comprises a box body 1, a gear 2 is rotatably connected inside the box body 1, the gear 2 is rotatably connected with the box body 1 through a rotating shaft, a main plate body 16 is arranged outside the box body 1, the box body 1 is connected with the main plate body 16 through a support 17, racks 3 are respectively meshed and connected with two sides of the gear 2, limit blocks 6 are respectively fixed on two sides of each rack 3, limit grooves are arranged in the box body 1 corresponding to the positions of the limit blocks 6, the limit blocks 6 are slidably connected with the limit grooves, limit is performed on the racks 3, the phenomenon that the racks 3 incline is avoided, a ratchet wheel 7 is connected with one side of each gear 2, a connecting rod 4 is connected with one side of each rack 3, a notch is arranged on one side of the box body 1, the connecting rod 4 is slidably connected with the notch, and a clamping plate 5 is arranged at one end of the connecting rod 4, the anti-slip pads are fixed on the opposite sides of the two clamping plates 5, so that the friction force between the clamping plates 5 and parts can be increased, and one side of the ratchet wheel 7 is connected with a knob 15.

Referring to fig. 3-4, a locking mechanism is disposed on one side of the case 1 above the ratchet 7, the locking mechanism includes a case 8, a supporting rod 9 is connected inside the case 8 in a penetrating manner, a locking block 10 is connected to a lower end of the supporting rod 9, a slot portion is formed on one side of the locking block 10, and an inclined surface portion is disposed on the other side of the locking block 10, the slot portion can be locked with teeth of the ratchet 7, so as to limit a certain rotation direction of the ratchet 7, the inclined surface portion does not obstruct the teeth of the ratchet 7, so as not obstruct a certain rotation direction of the ratchet 7, a handle 11 is connected to an upper end of the supporting rod 9, a connecting block 12 is sleeved on a surface of the supporting rod 9 above the locking block 10, a spring 13 is sleeved on an outer portion of the supporting rod 9 between the connecting block 12 and the case 8, the connecting block 12 is slidably connected to the supporting rod 9, and the connecting block 12 has the same size as the inner wall of the case 8, when the handle 11, the support rod 9 and the locking block 10 are rotated, the size of the connecting block 12 has a limiting effect on the connecting block 12, so that the connecting block 12 and the spring 13 cannot rotate.

Referring to fig. 1, 6 and 7, a first receiving groove 18 is formed in the main plate 16, a secondary plate 19 is slidably connected to the first receiving groove 18, the longitudinal section of the secondary plate 19 is an inverted T-shaped structure, the size and structure of the first receiving groove 18 are matched with the size and structure of the secondary plate 19, when the device is not used, the secondary plate body 19 can be pushed into the first accommodating groove 18 again, the total length of the main plate body 16 and the secondary plate body 19 is shortened, thereby being more convenient for accommodating the device and saving space, one end of the secondary plate body 19 is fixed with a limiting plate 20, the inner wall of the first accommodating groove 18 is provided with a chute 21 matched with the limiting plate 20, when the secondary plate 19 is pulled, the limit plate 20 slides inside the chute 21, and since one end of the chute 21 is closed, the limiting plate 20 is stopped, and the secondary plate 19 is prevented from completely falling out of the first accommodating groove 18.

Referring to fig. 4-5, the upper end of the housing 8 is provided with a hole 14 at a position corresponding to the support rod 9, damping strips are uniformly arranged inside the hole 14, the support rod 9 can rotate in the hole 14, and the arrangement of the damping strips can avoid the situation that the support rod 9 can not drive the locking block 10 to rotate by itself when the support rod 9 is not rotated manually.

Referring to fig. 1 and 6, a second receiving groove 22 is formed in the secondary plate body 19, a filling plate 23 is slidably connected to the second receiving groove 22, a supporting plate 24 is fixed above the filling plate 23, a groove 25 matched with the supporting plate 24 is formed in the upper surface of the main plate body 16, an anti-slip strip is arranged at one end of the supporting plate 24, the filling plate 23 is placed in a gap of the current first receiving groove 18, the supporting plate 24 is erected in the groove 25, after the total length of the main plate body 16 and the secondary plate body 19 is prolonged, the smoothness between the main plate body 16 and the secondary plate body 19 can be ensured, a cutting machine is erected on the main plate body 16 and the secondary plate body 19 by a cutting worker, stable supporting force is provided for the cutting machine, when the device is not used, the filling plate 23 and the supporting plate 24 can be taken down and placed in the second receiving groove 22, the device is more convenient to store, in order to prevent the filling plate 23 and the supporting plate 24 from easily sliding out of the second receiving groove 22, still can set up first magnet at the one end of infill panel 23, set up the second magnet in the second holding tank 22 corresponding first magnet's position, utilize the effect that first magnet and second magnet opposite poles attract each other, make infill panel 23 and backup pad 24 more stable place in second holding tank 22.

In the invention, two clamping plates 5 are respectively arranged on the upper surface and the lower surface of a hyperbolic outer plate to be cut, referring to fig. 3-4, a knob 15 is held by a hand and a ratchet wheel 7 is rotated anticlockwise, at the moment, the orientation of an inclined plane part does not cause obstruction to the ratchet wheel 7 which rotates anticlockwise, and when the ratchet wheel 7 rotates anticlockwise, under the repeated extrusion state of a plurality of teeth on the ratchet wheel 7 to a locking block 10, due to the elastic force action of a spring 13, the locking block 10, a connecting block 12, a support rod 9 and a handle 11 can do reciprocating motion in the vertical direction, when referring to fig. 2, a gear 2 and the ratchet wheel 7 rotate clockwise, in fig. 2, two racks 3 can drive the two clamping plates 5 to gradually approach along with the clockwise rotation of the gear 2, during the period, the connecting rod 4 slides in the inside a groove opening until the two clamping plates 5 clamp the plate to be cut, the whole device can be fixed on one side of the plate, after the fixing is completed, the rotation of the knob 15 is stopped, and referring to fig. 4, a slot portion is formed on one side of the locking block 10, so as to prevent one lower clamping plate 5 from being subjected to the action of gravity (the weight of the lower clamping plate 5 is greater than that of the upper clamping plate 5), so that the gear 2 automatically rotates counterclockwise (in fig. 2), in fig. 4, the ratchet 7 in this case has a clockwise rotation force, and the slot portion at this time can block teeth of the ratchet 7, so that the ratchet 7 is prevented from rotating by itself, that is, the two clamping plates 5 are stabilized;

firstly, the secondary plate 19 is received in the first receiving groove 18, the filling plate 23 and the supporting plate 24 are received in the second receiving groove 22, after the device is fixed, the secondary plate 19 is pulled out from the first receiving groove 18, during which the limiting plate 20 slides in the chute 21, meanwhile, since one end of the chute 21 is closed, the limiting plate 20 is blocked to prevent the secondary plate 19 from completely falling out of the first receiving groove 18, then, the filling plate 23 and the supporting plate 24 are pulled out from the second receiving groove 22, the anti-slip strip has effective anti-slip function, then, the filling plate 23 is placed in the gap of the current first receiving groove 18, and the supporting plate 24 is erected in the groove 25, thereby not only prolonging the total length of the main plate 16 and the secondary plate 19, but also ensuring the smoothness between the main plate 16 and the secondary plate 19, and providing the cutting machine frame on the main plate 16 and the secondary plate 19 for the cutting worker, the cutting machine provides stable supporting force, workers can cut the surplus parts of the hyperbolic outer plates conveniently by using the cutting machine, the possibility of wood cutting is greatly reduced, and therefore enterprise loss is reduced to a certain extent;

after the cutting is finished, the handle 11 is held, the locking block 10 is pulled upwards, then the locking block 10 is turned over by 180 degrees, during the process, as the connecting block 12 is in sliding connection with the support rod 9, and the size of the connecting block 12 is equal to that of the inner wall of the shell 8, the connecting block 12 has a limiting effect, the connecting block 12 is kept still, and the inclined plane part is changed to the left side (in fig. 4), at this time, the locking block 10 can be rotated clockwise, in fig. 2, the gear 2 and the ratchet 7 rotate anticlockwise, under the meshing rotation of the gear 2 and the rack 3, the distance between the two clamping plates 5 can be gradually increased, and then the whole device can be taken down;

when not using this device, take off earlier infill panel 23 and backup pad 24 to put into second holding tank 22, again with secondary plate 19 in pushing into first holding tank 18 again, shorten the total length of main plate 16 and secondary plate 19, thereby be more convenient for to accomodating of this device, save space.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Hyperbolic planking surplus cutting part start-stop port extension fixture, including box body (1), its characterized in that, the inside of box body (1) is rotated and is connected with gear (2), just the outside of box body (1) is provided with mainboard body (16), box body (1) with link to each other through support (17) between mainboard body (16), the both sides of gear (2) are all engaged and are connected with rack (3), just one side of gear (2) is connected with ratchet (7), one side of rack (3) is connected with connecting rod (4), the one end of connecting rod (4) is provided with splint (5), one side of ratchet (7) is connected with knob (15), one side of box body (1) is located the top position department of ratchet (7) is provided with locking mechanism.

2. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 1, wherein the locking mechanism comprises a shell (8), a supporting rod (9) is connected to the inside of the shell (8) in a penetrating manner, a locking block (10) is connected to the lower end of the supporting rod (9), a handle (11) is connected to the upper end of the supporting rod (9), a connecting block (12) is sleeved on the surface of the supporting rod (9) above the locking block (10), and a spring (13) is sleeved on the outer portion of the supporting rod (9) between the connecting block (12) and the shell (8).

3. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 1, wherein a first accommodating groove (18) is formed in the main plate body (16), a secondary plate body (19) is slidably connected to the inside of the first accommodating groove (18), and a longitudinal section of the secondary plate body (19) is of an inverted T-shaped structure.

4. The hyperbolic outer plate allowance cutting part start-stop port extension device according to claim 2, wherein the connection block (12) is connected with the support rod (9) in a sliding mode, and the size of the connection block (12) is equal to the size of the inner wall of the shell (8).

5. The hyperbolic outer plate allowance cutting part start-stop port extension device as claimed in claim 2, wherein one side of the locking block (10) is provided with a clamping groove portion, and the other side of the locking block (10) is provided with a slope portion.

6. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 2, wherein a hole (14) is formed in the position, corresponding to the support rod (9), of the upper end of the shell (8), and damping strips are uniformly arranged inside the hole (14).

7. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 1, wherein limiting blocks (6) are fixed on two sides of the rack (3), and limiting grooves are formed in positions, corresponding to the limiting blocks (6), in the box body (1).

8. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 3, wherein a limiting plate (20) is fixed at one end of the secondary plate body (19), and a sliding groove (21) matched with the limiting plate (20) is formed in the inner wall of the first accommodating groove (18).

9. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 3, wherein a second accommodating groove (22) is formed in the secondary plate body (19), a filling plate (23) is slidably connected to the inside of the second accommodating groove (22), and a supporting plate (24) is fixed above the filling plate (23).

10. The hyperbolic outer plate allowance cutting part start-stop port extending device according to claim 9, wherein a groove (25) matched with the supporting plate (24) is formed in the upper surface of the main plate body (16), and an anti-slip strip is arranged at one end of the supporting plate (24).