A marine main engine piston support fixing device

Abstract

The present application relates to the technical fields of marine main engine piston, and especially relates to a marine main engine piston support fixing device.The present application comprises a circular base, the top end of the circular base is fixed with a plurality of placing cylinders, the inside of the placing cylinders is slidably connected with support rods, the bottom end of the inside of the circular base is provided with a plurality of limiting guide grooves, the two ends of the inside of the limiting guide grooves are slidably connected with arc-shaped clamping plates, the two arc-shaped clamping plates are slidably connected inside the placing cylinders, and the inside of the circular base is rotatably connected with a plurality of transmission wheels.The present application provides a marine main engine piston support fixing device, when the outward gear is rotated to drive a plurality of transmission wheels and arc-shaped guide grooves to rotate, the transmission wheels drive the arc-shaped clamping plates to clamp the support rods inside the placing cylinders along the direction of the arc-shaped guide grooves, so as to improve the dismounting effect of the support rods.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of marine main engine piston, and particularly relates to a marine main engine piston support fixing device. BACKGROUND

[0002] Marine main engine piston overhaul hoisting is an important work in marine maintenance and maintenance, which involves in-depth inspection and repair of key components inside the main engine.

[0003] The main purpose of marine main engine piston overhaul hoisting is to check and repair the parts that are not checked during normal inspection and the interior of the combustion chamber, so as to ensure the normal operation of the main engine and prolong its service life. These checks and repairs may include replacing worn piston rings, repairing or replacing cylinder liners, checking the top ablation amount of the piston, etc.

[0004] When the above-mentioned technology is used, it is found that the existing technology has the following technical problems: the existing technology generally has two sets of special supports for main engine piston overhaul on the main engine overhaul tool of the ship. The support is a two-piece combination, which needs to be stored when not in use, and needs to be used when the main engine piston is hoisted out. The shape and size of the support are not convenient to store and fix. Some ships directly throw them in the junk room, which not only affects the appearance, but also needs to be searched everywhere when used. Therefore, we design a marine main engine piston support fixing device which is convenient to disassemble and store, to provide another technical solution for the above technical problems. SUMMARY

[0005] Therefore, it is necessary to provide a marine main engine piston support fixing device for the above technical problems. When the main engine piston needs to be hoisted out for overhaul, a plurality of support rods are placed inside the placement cylinder and the circular base, and then the external gear is rotated to drive a plurality of transmission wheels and arc-shaped guide grooves to rotate. The transmission wheel drives the arc-shaped clamping plate to clamp the support rod inside the placement cylinder in the direction of the arc-shaped guide groove, which facilitates the disassembly effect of the support rod and increases the stability of the support rod supporting the main engine piston.

[0006] In order to solve the above technical problems, the present application adopts the following technical scheme:

[0007] A marine main engine piston support fixing device, comprising a circular base, a plurality of placement cylinders are fixed at the top end of the circular base, a support rod is slidably connected inside the placement cylinder, a plurality of limiting guide grooves are formed at the bottom end inside the circular base, arc-shaped clamping plates are slidably connected at both ends of the inner side of the limiting guide groove, the arc-shaped clamping plates are slidably connected inside the placement cylinder, a plurality of transmission wheels are rotatably connected inside the circular base, arc-shaped guide grooves are formed at both ends of the transmission wheel, the inner side of the arc-shaped guide groove is slidably connected with the arc-shaped clamping plate, and the support rod is slidably connected between the two arc-shaped clamping plates.

[0008] As a preferred implementation form of the ship main engine piston support fixing device, the inside of the circular base is rotationally connected with an outward gear, and the outside of the outward gear is meshingly connected with a plurality of transmission wheels.

[0009] As a preferred implementation form of the ship main engine piston support fixing device, the top end of the circular base is fixed with a servo motor, the output end of the servo motor is fixed with a transmission gear through the circular base, and the outside of the transmission gear is meshingly connected with the outward gear.

[0010] As a preferred implementation form of the ship main engine piston support fixing device, the anti-skid pad at the end of the two arc-shaped clamping plates close to each other is used to improve the stability of the support rod.

[0011] As a preferred implementation form of the ship main engine piston support fixing device, the circular base and the outward gear are annular in shape.

[0012] As a preferred implementation form of the ship main engine piston support fixing device, the outside of the support rod is fixed with a U-shaped limiting block, the inside of the U-shaped limiting block is slidingly connected with an A connecting piece one and a B connecting piece two, and a positioning adjusting mechanism for tightening is arranged between the A connecting piece one and the B connecting piece two.

[0013] As a preferred implementation form of the ship main engine piston support fixing device, the positioning adjusting mechanism comprises an A clamping block one, a B clamping block two, an A connecting block one, a B connecting block two, a connecting seat, a threaded rod and a hand cylinder, one end inside the B connecting piece two is clamped with the A clamping block one, one end of the A connecting piece one close to the B connecting piece two is clamped with the B clamping block two, the outside of the A clamping block one is rotationally connected with the A connecting block one, the outside of the B clamping block two is rotationally connected with the B connecting block two, one end of the A connecting block one is rotationally connected with the connecting seat through a hinge, one end of the connecting seat is rotationally connected with the threaded rod, and the outside of the threaded rod is threadedly connected with the B connecting block two.

[0014] As a preferred implementation form of the ship main engine piston support fixing device, the top end of the support rod is fixed with a protective sleeve.

[0015] As a preferred implementation form of the ship main engine piston support fixing device, the inside of the A connecting piece one and the B connecting piece two close to each other is provided with a clamping groove, the inside of the A clamping block one and the B clamping block two close to each other is provided with a limiting groove, and the two limiting grooves are slidingly connected with the clamping grooves.

[0016] As a preferred embodiment of the ship main engine piston support fixing device provided by the application, the bottom end of the circular base is fixed to the deck by bolts.

[0017] It can be seen without doubt that the above technical solutions of the application can solve the technical problems to be solved by the application.

[0018] Meanwhile, through the above technical solutions, the application has at least the following beneficial effects:

[0019] The ship main engine piston support fixing device provided by the application can rotate the transmission gear and the outward gear synchronously by starting the servo motor, so that the outward gear drives the transmission wheel and the arc-shaped guide groove to clamp and limit the arc-shaped clamping plate along the limiting guide groove, thereby facilitating the disassembly and assembly of the support rod, and improving the stability of the bottom end of the support rod, so that the device can be effectively stored and placed.

[0020] When the A clamping block one and the B clamping block two are clamped with the clamping grooves, the hand cylinder is rotated to drive the threaded rod to be screwed with the B connecting block two, so that the threaded rod drives the A connecting block one and the A clamping block one to move towards the B connecting block two and the B clamping block two, thereby tightening the A connecting piece one and the B connecting piece two, and thus improving the protection and fixation of the support rod. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 It is a schematic diagram of the overall structure of the application;

[0023] Figure 2 It is a schematic diagram of the overall top view structure of the application;

[0024] Figure 3 It is a schematic diagram of the internal structure of the circular base of the application;

[0025] Figure 4 It is a schematic diagram of the connection structure of the arc-shaped clamping plate and the transmission wheel of the application;

[0026] Figure 5 It is a schematic diagram of the sliding connection structure of the arc-shaped clamping plate and the support rod of the application;

[0027] Figure 6The schematic view of the connecting structure of the limiting guide groove and the arc-shaped clamping plate of the application;

[0028] Figure 7 The schematic view of the connecting structure of the A connecting piece one and the B connecting piece two and the U-shaped limiting block of the application;

[0029] Figure 8 The schematic view of the structure of the positioning adjusting mechanism of the application;

[0030] Figure 9 The schematic view of the connecting structure of the A clamping block one and the A connecting block one of the application;

[0031] Figure 10 The schematic view of the threaded connecting structure of the B connecting block two and the threaded rod of the application.

[0032] In the figure: 1, round base; 2, placing cylinder; 3, supporting rod; 4, U-shaped limiting block; 5, A connecting piece one; 6, B connecting piece two; 7, protective sleeve; 8, outward gear; 9, servo motor; 10, transmission gear; 11, arc-shaped clamping plate; 12, transmission wheel; 13, arc-shaped guide groove; 14, limiting guide groove; 15, A clamping block one; 16, B clamping block two; 17, A connecting block one; 18, B connecting block two; 19, connecting seat; 20, threaded rod; 21, hand rotating cylinder. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the application more clear and understandable, the application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the application and do not limit the application.

[0034] As in the background art, the prior art generally has two sets of special supports for main engine piston maintenance on the ship, which are combined in two pieces. When not in use, the supports need to be stored. When the main engine piston is hoisted out for maintenance, the supports need to be used. However, the shape and size of the supports are not convenient to store and fix. On some ships, the supports are directly thrown in the junk room, which not only affects the appearance but also needs to be searched everywhere when in use. Therefore, we design a ship main engine piston support fixing device which is convenient to disassemble and store,

[0035] In order to solve this technical problem, the application provides a ship main engine piston support fixing device.

[0036] Specifically, please refer to Figures 1-10 A ship main engine piston support fixing device specifically includes:

[0037] The top end of the circular base 1 is fixed with a plurality of placing barrels 2, the inside of the placing barrel 2 is slidably connected with a supporting rod 3, the bottom end inside the circular base 1 is provided with a plurality of limiting guide grooves 14, the two ends inside the limiting guide groove 14 are slidably connected with arc-shaped clamping plates 11, the two arc-shaped clamping plates 11 are slidably connected inside the placing barrel 2, a plurality of transmission wheels 12 are rotatably connected inside the circular base 1, the two ends inside the transmission wheel 12 are provided with arc-shaped guide grooves 13, the inside of the arc-shaped guide groove 13 is slidably connected with the arc-shaped clamping plate 11, and the two arc-shaped clamping plates 11 are slidably connected with the supporting rod 3.

[0038] The ship main engine piston support fixing device provided by the application can place a plurality of supporting rods 3 inside the placing barrel 2 and the circular base 1 when the main engine piston needs to be lifted out for maintenance, and then rotate the outward gear 8 to drive the plurality of transmission wheels 12 and the arc-shaped guide groove 13 to rotate, so that the transmission wheel 12 drives the arc-shaped clamping plate 11 to clamp the supporting rod 3 inside the placing barrel 2 in the direction of the arc-shaped guide groove 13, thereby facilitating the disassembly of the supporting rod 3 and increasing the stability of the supporting rod 3 in supporting the main engine piston.

[0039] In order for those skilled in the art to better understand the application, the technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings.

[0040] It should be noted that the embodiments in the application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0041] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0042] Embodiment one

[0043] Reference Figures 1-6 A ship main engine piston support fixing device includes a circular base 1, the top end of the circular base 1 is fixed with a plurality of placing barrels 2, the inside of the placing barrel 2 is slidably connected with a supporting rod 3, the bottom end inside the circular base 1 is provided with a plurality of limiting guide grooves 14, the limiting guide groove 14 is used for limiting and guiding the arc-shaped clamping plate 11, improving the stability of the arc-shaped clamping plate 11 sliding, the two ends inside the limiting guide groove 14 are slidably connected with arc-shaped clamping plates 11, the two arc-shaped clamping plates 11 are slidably connected inside the placing barrel 2, a plurality of transmission wheels 12 are rotatably connected inside the circular base 1, the two ends inside the transmission wheel 12 are provided with arc-shaped guide grooves 13, the inside of the arc-shaped guide groove 13 is slidably connected with the arc-shaped clamping plate 11, and the two arc-shaped clamping plates 11 are slidably connected with the supporting rod 3;

[0044] When the host piston needs to be lifted out for maintenance, several support rods 3 are placed inside the placing cylinder 2 and the circular base 1, and then when the outward gear 8 drives several transmission wheels 12 and arc-shaped guide grooves 13 to rotate, the transmission wheels 12 drive the arc-shaped clamping plates 11 to clamp the support rods 3 inside the placing cylinder 2 in the direction of the arc-shaped guide grooves 13, which facilitates the disassembly of the support rods 3 and increases the stability of the support rods 3 in supporting the host piston;

[0045] The inside of the circular base 1 is rotationally connected with the outward gear 8, and the circular base 1 and the outward gear 8 are annular in shape, and the outer side of the outward gear 8 is meshingly connected with several transmission wheels 12;

[0046] The top end of the circular base 1 is fixed with a servo motor 9, the output end of the servo motor 9 is fixed with a transmission gear 10 through the circular base 1, and the outer side of the transmission gear 10 is meshingly connected with the outward gear 8;

[0047] When the host piston needs to be supported, the servo motor 9 is started to drive the transmission gear 10 and the outward gear 8 to rotate synchronously, so that the outward gear 8 drives the transmission wheels 12 and the arc-shaped guide grooves 13 to clamp the arc-shaped clamping plates 11 along the limiting guide grooves 14 to clamp and limit the support rods 3, which facilitates the disassembly and assembly of the support rods 3, and secondly improves the stability of the bottom end of the support rods 3;

[0048] The anti-skid pads on the ends of the two arc-shaped clamping plates 11 close to each other are used to improve the stability of the support rods 3.

[0049] Referring to Figures 7-10 A ship host piston support fixing device, the outer side of the support rod 3 is fixed with a U-shaped limiting block 4, the inner side of the U-shaped limiting block 4 is slidably connected with an A connecting piece one 5 and a B connecting piece two 6, and a positioning adjusting mechanism for tightening is arranged between the A connecting piece one 5 and the B connecting piece two 6;

[0050] The positioning adjusting mechanism drives the A connecting piece one 5 and the B connecting piece two 6 to fix the several support rods 3, preventing the support rods 3 from deforming when supporting the host piston;

[0051] The positioning adjusting mechanism comprises an A clamping block one 15, a B clamping block two 16, an A connecting block one 17, a B connecting block two 18, a connecting seat 19, a threaded rod 20 and a hand cylinder 21, one end inside the B connecting piece two 6 is clamped with the A clamping block one 15, one end of the A connecting piece one 5 close to the B connecting piece two 6 is clamped with the B clamping block two 16, the outer side of the A clamping block one 15 is rotationally connected with the A connecting block one 17, the outer side of the B clamping block two 16 is rotationally connected with the B connecting block two 18, one end of the A connecting block one 17 is rotationally connected with the connecting seat 19 through a hinge, one end of the connecting seat 19 is rotationally connected with the threaded rod 20, and the outer side of the threaded rod 20 is threadedly connected with the B connecting block two 18;

[0052] The top end of the support rod 3 is fixed with a protective sleeve 7, which is used for protecting the main engine piston, preventing the support rod 3 from directly supporting the main engine piston and causing damage;

[0053] The inner end of the A connecting piece one 5 and the B connecting piece two 6 is provided with a clamping groove, and the inner end of the A clamping block one 15 and the B clamping block two 16 is provided with a limiting groove, and the two limiting grooves are slidably connected with the clamping grooves;

[0054] When the support rod 3 is inserted into the inside of the placing cylinder 2 and clamped with the arc-shaped clamping plate 11, the A clamping block one 15 and the B clamping block two 16 are clamped with the clamping grooves, then the hand drum 21 is rotated to drive the threaded rod 20 to be threadedly connected with the B connecting block two 18, so that the threaded rod 20 drives the A connecting block one 17 and the A clamping block one 15 to move towards or away from the B connecting block two 18 and the B clamping block two 16, when the A clamping block one 15 and the B clamping block two 16 move towards each other, the A clamping block one 15 and the B clamping block two 16 drive the A connecting piece one 5 and the B connecting piece two 6 to be tightened, so as to protect the plurality of support rods 3, thereby increasing the stability of the support rod 3 and the protective sleeve 7 supporting the main engine piston;

[0055] The bottom end of the circular base 1 is fixed with a deck through bolts, and the deck and the circular base 1 are connected through bolts, so as to be disassembled.

[0056] The use process of the ship main engine piston support fixing device provided by the application is as follows: when the main engine piston needs to be lifted out for maintenance, a plurality of support rods 3 are placed in the inside of the placing cylinder 2 and the circular base 1, the servo motor 9 is started to drive the transmission gear 10 and the outward gear 8 to rotate synchronously, so that the outward gear 8 drives the transmission wheel 12 and the arc-shaped guide groove 13 to clamp and limit the arc-shaped clamping plate 11 along the limiting guide groove 14 to clamp and limit the support rod 3, so as to quickly assemble the support rod 3, and then improve the stability of the bottom end of the support rod 3;

[0057] Then prevent the support rod 3 to the main machine piston support appears deformation phenomenon, through A clamping block one 15 and B clamping block two 16 respectively with the clamping groove is clamped, then rotates hand cylinder 21 drive screw rod 20 and B connecting block two 18 carry out threaded connection, make screw rod 20 drive A connecting block one 17 and A clamping block one 15 and B connecting block two 18 and B clamping block two 16 mutually close or far direction movement, when A clamping block one 15 and B clamping block two 16 towards mutually close direction movement, therefore A clamping block one 15 and B clamping block two 16 drive A connecting piece one 5 and B connecting piece two 6 carry out tightening, convenient A connecting piece one 5 and B connecting piece two 6 to several support rods 3 carry out protection, thereby increase support rod 3 and the protective sleeve 7 to the stability of the main machine piston support.

[0058] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments. Obviously, many modifications and variations can be made according to the content of the specification. The specification selects and describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A marine main engine piston rod bracket fixing device, characterized by, The utility model relates to a kind of support device, including circular base (1), the top of the circular base (1) is fixed with several placement barrels (2), the inside of the placement barrel (2) is slidably connected with support rod (3), the bottom of the inside of the circular base (1) is equipped with several limiting guide slots (14), the both ends of the inside of the limiting guide slot (14) are slidably connected with arc clamping plate (11), two arc clamping plate (11) are slidably connected inside the placement barrel (2), the inside of the circular base (1) is rotatably connected with several transmission wheels (12), the both ends of the inside of the transmission wheel (12) are equipped with arc guide slot (13), the inside of the arc guide slot (13) is slidably connected with arc clamping plate (11), two arc clamping plate (11) are slidably connected with support rod (3) between, the inside of the circular base (1) is rotatably connected with outward gear (8), the outside of the outward gear (8) is respectively meshed with several transmission wheels (12), the top of the circular base (1) is fixed with servo motor (9), the output of the servo motor (9) is fixed with transmission gear (10) passing through circular base (1), the outside of the transmission gear (10) is meshed with outward gear (8), the outside of the support rod (3) is fixed with U-shaped limit block (4), the inside of the U-shaped limit block (4) is slidably connected with A connecting piece one (5) and B connecting piece two (6), positioning adjusting mechanism for tightening is arranged between A connecting piece one (5) and B connecting piece two (6), the positioning adjusting mechanism includes A clamping block one (15), B clamping block two (16), A connecting block one (17), B connecting block two (18), connecting seat (19), threaded rod (20) and hand rotating cylinder (21), one end of the inside of B connecting piece two (6) is clamped with A clamping block one (15), one end close to B connecting piece two (6) of A connecting piece one (5) is clamped with B clamping block two (16), the outside of A clamping block one (15) is rotatably connected with A connecting block one (17), the outside of B clamping block two (16) is rotatably connected with B connecting block two (18), one end of A connecting block one (17) is rotatably connected with connecting seat (19) by hinge, one end of connecting seat (19) is rotatably connected with threaded rod (20), the outside of threaded rod (20) is threadedly connected with B connecting block two (18).

2. A marine engine piston rod hanger securing device according to claim 1, characterized in that Two arc clamping plate (11) anti-skid pad is close to each other at one end, and the anti-skid pad is used to improve the stability of support rod (3).

3. The marine engine piston rod hanger securing device of claim 1, wherein, The circular base (1) and outward gear (8) are annular.

4. The marine engine piston rod hanger securing device of claim 1, wherein, The top of the support rod (3) is fixed with protective sleeve (7).

5. The marine engine piston rod hanger securing device of claim 1, wherein, The inside of A connecting piece one (5) and B connecting piece two (6) is equipped with clamping groove close to each other, the inside of A clamping block one (15) and B clamping block two (16) is equipped with limiting slot close to each other, two limiting slots are slidably connected with clamping groove respectively.

6. A marine engine piston rod hanger securing device as claimed in claim 1, wherein, It also includes deck, and the bottom of the circular base (1) is fixed with deck by bolt.

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