CN111975692A

CN111975692A - Fixing mechanism for marine diesel engine

Info

Publication number: CN111975692A
Application number: CN202010884868.8A
Authority: CN
Inventors: 李寅; 王彬; 许鹏忠; 陈强
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-24
Anticipated expiration: 2040-08-28
Also published as: CN111975692B

Abstract

The invention relates to a fixing mechanism for a marine diesel engine, which belongs to the technical field of marine diesel engine production equipment and comprises a fixing base and a fixing table at the upper end of the fixing base, wherein rotating plates are arranged at the front end and the rear end of the fixing table, a supporting mechanism for supporting the unfolding state of the rotating plates is arranged at the position, close to the lower end, of the outer surface of the fixing base, a plurality of groups of limiting columns matched with the bottom end of the marine diesel engine are arranged at the left end and the right end of the fixing table, two groups of wheel grooves are arranged on the upper end surface of the fixing table, and a row of. Compared with the prior art, the marine diesel engine fixing device can fix the marine diesel engine on a marine diesel engine general assembly production line under the condition of not using bolts, so that the production efficiency is greatly improved; meanwhile, the fixing mechanism is simple in structure, stable in operation, time-saving and labor-saving in the movement of the diesel engine in the fixing process, and beneficial to popularization and use.

Description

Fixing mechanism for marine diesel engine

Technical Field

The invention belongs to the technical field of marine diesel engine production equipment, and particularly relates to a fixing mechanism for a marine diesel engine.

Background

The marine diesel engine is a main power device of civil ships, small and medium-sized naval vessels and conventional submarines. The machine has a unique frame type main bearing structure, and is high in rigidity, small in vibration amplitude and low in noise decibel; one cylinder and one cover facilitate the maintenance and treatment of the whole vehicle, reduce the maintenance and consumption cost and the like. The diesel engine accessory is complete in installation, and equipment such as air cooler, sea fresh water heat exchanger install on the diesel engine, then carry out the unified spraying paint, and the cabin of being convenient for arranges, when the marine diesel engine of production, need with the accessory assemble to the diesel engine main part on, in order to avoid the diesel engine to take place the displacement when the assembly, need fix the diesel engine main part.

When the existing marine diesel engine is fixed, the existing marine diesel engine is fixed by using bolts, the disassembly and the assembly are very complicated, the production cycle time is long, and the production requirement can not be met. We therefore propose a fixing mechanism for a marine diesel engine.

Disclosure of Invention

The present invention is directed to a fixing mechanism for a marine diesel engine to solve the problems set forth in the background art.

The invention realizes the purpose through the following technical scheme:

the utility model provides a fixed establishment for marine diesel engine, includes unable adjustment base and the fixed station of unable adjustment base upper end, both ends all are equipped with the rotor plate around the fixed station, unable adjustment base's surface is close to lower extreme position department and is equipped with the supporting mechanism who is used for supporting rotor plate expansion state, both ends all be equipped with a plurality of groups spacing post of marine diesel engine bottom assorted about the fixed station, during the fixed state, spacing post is located the marine diesel engine bottom, and during the non-fixed state, spacing post and fixed station inner wall parallel and level, the fixed station up end is equipped with two sets of race, and the race is equipped with one row of gyro wheel, and during the fixed state, the gyro wheel wholly is located the race, and during the non-fixed state, the upper end of gyro wheel is located outside the race.

As a further optimization scheme of the invention, the rear end of the limiting column is provided with a gear groove and an internal gear meshed with the gear groove, a plurality of groups of internal gears are connected with the output shaft end of a driving motor through rotating shafts, the tail end of the output shaft of the driving motor is connected with an external gear, the external gear is positioned on the outer surface of the fixed base, and the outer surface of the external gear is provided with a limiting sleeve matched with the external gear.

As a further optimization scheme of the invention, the row of rollers is arranged at the upper end of the bottom plate, the lower end of the bottom plate is provided with a spring and a retaining column, and one side of the retaining column is provided with two groups of supporting rods for supporting the bottom plate.

As a further optimization scheme of the invention, the two groups of support rods are vertically arranged on the connecting rod, the connecting rod and the support rods are both positioned in a sliding groove in the fixed base, one end of the connecting rod is provided with a right-angle rod, and the right-angle rod is positioned on the outer surface of the fixed base.

As a further optimization scheme of the invention, a telescopic column is arranged at the center of the limiting sleeve, the limiting sleeve slides on the telescopic column, and one end of the telescopic column is connected with the top end of the right-angle rod.

As a further optimized scheme of the invention, one end of the supporting rod, which is positioned at the lower end of the bottom plate, is in an inclined plane shape.

As a further optimized scheme of the present invention, the supporting mechanism includes a placing groove formed on an outer wall of the fixed base, a fixed seat located at a bottom end inside the placing groove, and a first support rod, a second support rod and a third support rod located inside the placing groove, one end of the first support rod is hinged to the fixed seat, the other end of the first support rod is hinged to one end of the third support rod through a sliding groove, the other end of the third support rod is fixedly connected to the second support rod, one end of the second support rod is hinged to a supporting plate, the supporting plate is located at a bottom end of the rotating plate in a supporting state, and is located at an opening of the placing groove in a non-supporting state.

The invention has the beneficial effects that:

the marine diesel engine can be fixed on a marine diesel engine general assembly production line under the condition that bolts are not used, so that the production efficiency is greatly improved; meanwhile, the fixing mechanism is simple in structure, stable in operation, time-saving and labor-saving in the movement of the diesel engine in the fixing process, and beneficial to popularization and use.

Drawings

FIG. 1 is a schematic diagram of a frame structure of a marine diesel engine;

FIG. 2 is a schematic structural diagram of a fixing mechanism for a marine diesel engine according to the present invention;

FIG. 3 is a schematic spacing diagram of a spacing column of the fixing mechanism for the marine diesel engine provided by the invention;

FIG. 4 is a schematic diagram of a spacing post drive of the fixing mechanism for a marine diesel engine according to the present invention;

FIG. 5 is a schematic diagram of a roller position structure of a fixing mechanism for a marine diesel engine provided by the invention;

FIG. 6 is a schematic view of a roller attachment structure of the fixing mechanism for the marine diesel engine according to the present invention;

FIG. 7 is a schematic view of a connection structure of a limiting sleeve and a supporting rod of the fixing mechanism for the marine diesel engine provided by the invention;

fig. 8 is a schematic view of a supporting mechanism of a fixing mechanism for a marine diesel engine according to the present invention.

In the figure: 1. a fixed base; 2. a fixed table; 3. a rotating plate; 4. a limiting column; 41. a gear groove; 42. a built-in gear; 43. a drive motor; 44. an external gear; 5. a wheel groove; 6. a roller; 61. a base plate; 62. a spring; 63. a holding column; 71. a limiting sleeve; 72. a support bar; 73. a right-angle rod; 74. a connecting rod; 75. a telescopic column; 76. a sliding groove; 8. a support mechanism; 81. a placement groove; 82. a fixed seat; 83. a first stay bar; 84. a second stay bar; 85. a third stay bar; 86. a chute; 87. and a support plate.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

A fixing mechanism for a marine diesel engine:

as shown in fig. 2, the device comprises a fixed base 1 and a fixed platform 2 arranged at the upper end of the fixed base 1, wherein the front end and the rear end of the fixed platform 2 are both provided with rotating plates 3, the outer surface of the fixed base 1 is provided with a supporting mechanism 8 for supporting the rotating plates 3 in an unfolded state near the lower end, the left end and the right end of the fixed platform 2 are both provided with a plurality of groups of limiting columns 4 matched with the bottom end of the marine diesel engine, the upper end surface of the fixed platform 2 is provided with two groups of wheel grooves 5, a row of rollers 6 are arranged in the wheel grooves 5, when the diesel engine is placed on the fixed platform 2, the rotating plates 3 are opened and are supported by the supporting mechanism 8 to form an inclined plane, the diesel engine is conveniently pushed into the fixed platform 2, meanwhile, the two rows of rollers 6 on the fixed platform 2 also play a role in facilitating the movement of the diesel engine, when the diesel engine completely, thereby fixing the diesel engine.

As shown in fig. 3 to 5, in the fixed state, the position-limiting column 4 is located at the bottom end of the marine diesel engine, in the non-fixed state, the position-limiting column 4 is flush with the inner wall of the fixed platform 2, the rear end of the position-limiting column 4 is provided with a gear groove 41 and an internal gear 42 engaged with the gear groove, a plurality of groups of internal gears 42 are connected with the output shaft end of the driving motor 43 through a rotating shaft, when the driving motor 43 is started, the internal gear 42 is driven to rotate, the internal gear 42 is engaged with the gear groove 41 at the bottom end of each group of position-limiting columns 4, so that the position-limiting column 4 moves forward and enters the hole at the bottom end of the marine diesel engine, the tail end of the output shaft of the driving motor 43 is connected with the external gear 44, the external gear 44 is located on the outer surface of the fixed base 1, the outer surface of the external gear 44 is provided with, the fixed external gear 44 enables the internal gear 42 to be incapable of rotating, the internal gear 42 which is prevented from being rotated due to faults of the driving motor 43 or other reasons after the fixing enables the limiting column 4 to lose limiting effect, and when the limiting is relieved, the driving motor 43 can rotate reversely.

As shown in fig. 5 and 6, a row of rollers 6 is provided on the upper end of the base plate 61, the lower end of the base plate 61 is provided with a spring 62 and a holding post 63, one side of the holding post 63 is provided with two sets of support rods 72 for supporting the base plate 61, and in a fixed state, the roller 6 is wholly positioned in the wheel groove 5, the supporting rod 72 does not support the bottom plate 61, the roller 6 and the bottom plate 61 lose the support of the supporting rod 72, because of the gravity of the diesel engine and the extrusion of the diesel engine on the fixed table 2, the diesel engine is prevented from being pressed into the return wheel groove 5, the diesel engine generates displacement to cause the limiting column 4 to be incapable of limiting, when in an unfixed state, the upper end of the roller 6 is positioned outside the wheel groove 5, the support rod 72 is positioned below the bottom plate 61, play the supporting role to bottom plate 61 for the upper end of gyro wheel 6 is located outside race 5, when the diesel engine removed in to fixed station 2, plays the rolling effect to the diesel engine, is convenient for the diesel engine get into in the fixed station 2.

As shown in fig. 6 and 7, two sets of support rods 72 are vertically arranged on a connecting rod 74, the connecting rod 74 and the support rods 72 are both located in a sliding groove 76 inside the fixing base 1, the connecting rod 74 and the support rods 72 can slide in the sliding groove 76, a right-angle rod 73 is arranged at one end of the connecting rod 74, the right-angle rod 73 is located on the outer surface of the fixing base 1, a user can control the support rods 72 and the limiting sleeves 71 to move left and right by operating the right-angle rod 73 left and right, one end of the support rod 72 located at the lower end of the bottom plate 61 is in an inclined plane shape, when the bottom plate 61 collapses downwards, a gap is left between the bottom plate 61 and the located lower end surface, when the roller 6 needs to ascend again, the right-angle rod 73 is moved towards the direction of the roller 6, the right-angle rod 73 drives the connecting rod 7 to drive the support rods 72 to move towards the lower part of the bottom plate, limiting sleeve 71's central point puts and is equipped with flexible post 75, limiting sleeve 71 slides at flexible post 75, the one end and the right angle pole 73 top of flexible post 75 are connected, when fixed state, be close to the outside gear 44 of right angle pole 73, drive connecting rod 74 and bracing piece 72 and leave bottom plate 61, make right angle pole 73 drive limiting sleeve 71 and outwards put gear 44 and be close to simultaneously, when arriving external gear 44 dead ahead, outside gear 44 pulls limiting sleeve 71, make limiting sleeve 71 card on external gear 44, restriction external gear 44's rotation.

As shown in fig. 8, the supporting mechanism 8 includes a placing groove 81 opened on the outer wall of the fixed base 1, a fixed seat 82 located at the bottom end inside the placing groove 81, and a first stay 83, a second stay 84 and a third stay 85 located inside the placing groove 81, one end of the first stay 83 is hinged on the fixed seat 82, the other end of the first stay 83 is hinged on one end of the third stay 85 through a sliding groove 86, the other end of the third stay 85 is fixedly connected on the second stay 84, one end of the second stay 84 is hinged on a supporting plate 87, the supporting plate 87 is located at the bottom end of the rotating plate 3 in the supporting state and is located at the opening of the placing groove 81 in the non-supporting state, when the rotating plate 3 is put down, the supporting plate 87 is pulled to be located below the rotating plate 3, the third stay 85 moves along the sliding groove 86, so that the other end of the second stay 84 is supported on the outer wall of the fixed base 1, the first stay 83, the second stay 84 and the third stay 85 form a stable supporting structure, supporting the rotating plate 3.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A fixing mechanism for a marine diesel engine comprises a fixing base (1) and a fixing table (2) arranged at the upper end of the fixing base (1), and is characterized in that rotating plates (3) are arranged at the front end and the rear end of the fixing table (2), a supporting mechanism (8) used for supporting the unfolding state of the rotating plates (3) is arranged at the position, close to the lower end, of the outer surface of the fixing base (1), a plurality of groups of limiting columns (4) matched with the bottom end of the marine diesel engine are arranged at the left end and the right end of the fixing table (2), the limiting columns (4) are located at the bottom end of the marine diesel engine in a fixing state, the limiting columns (4) are flush with the inner wall of the fixing table (2) in an unfixed state, two groups of wheel grooves (5) are arranged on the upper end face of the fixing table (2), a row of idler wheels (6) are arranged in the wheel grooves (5) in the fixing state, when the roller is not fixed, the upper end of the roller (6) is positioned outside the wheel groove (5).

2. The fixing mechanism for the marine diesel engine according to claim 1, characterized in that the rear end of the limiting column (4) is provided with a gear groove (41) and an internal gear (42) engaged with the gear groove, a plurality of groups of internal gears (42) are connected with the output shaft end of a driving motor (43) through a rotating shaft, the tail end of the output shaft of the driving motor (43) is connected with an external gear (44), the external gear (44) is located on the outer surface of the fixing base (1), and the outer surface of the external gear (44) is provided with a limiting sleeve (71) matched with the external gear.

3. A fastening mechanism for a marine diesel engine according to claim 2, characterized in that the row of rollers (6) is arranged at the upper end of a bottom plate (61), the lower end of the bottom plate (61) is provided with a spring (62) and a holding post (63), and one side of the holding post (63) is provided with two sets of support bars (72) supporting the bottom plate (61).

4. A fixing mechanism for a marine diesel engine according to claim 3, characterized in that the two sets of support rods (72) are vertically arranged on a connecting rod (74), the connecting rod (74) and the support rods (72) are both located in a sliding groove (76) inside the fixing base (1), one end of the connecting rod (74) is provided with a right-angle rod (73), and the right-angle rod (73) is located on the outer surface of the fixing base (1).

5. A fixing mechanism for a marine diesel engine according to claim 4, characterized in that a telescopic column (75) is arranged at the center of the limiting sleeve (71), and one end of the telescopic column (75) is connected with the top end of the right-angle rod (73).

6. A fastening mechanism for a marine diesel engine according to claim 5, characterized in that the end of the support rod (72) at the lower end of the bottom plate (61) is beveled.

7. A fixing mechanism for a marine diesel engine according to claim 1, the supporting mechanism (8) comprises a placing groove (81) arranged on the outer wall of the fixed base (1), a fixed seat (82) positioned at the bottom end in the placing groove (81), and a first support rod (83), a second support rod (84) and a third support rod (85) which are positioned in the placing groove (81), one end of the first support rod (83) is hinged on the fixed seat (82), the other end of the first support rod (83) is hinged on one end of the third support rod (85) through a sliding chute (86), the other end of the third stay bar (85) is fixedly connected to the second stay bar (84), one end of the second support rod (84) is hinged with a support plate (87), the support plate (87) is positioned at the bottom end of the rotating plate (3) in a supporting state, and is positioned at the opening of the placing groove (81) in a non-supporting state.