CN220153874U - Marine engine starting valve life test device - Google Patents

Abstract

The utility model discloses a life test device for a starting valve of a marine engine, and relates to the technical field of mechanical vibration detection. Including the workstation, the top both sides of workstation are fixed with the baffle, run through between two baffles and be provided with vibration mechanism, and the top of workstation is provided with places the platform, and the top of placing the platform is seted up flutedly, runs through in the recess and is provided with fixture. Compared with the prior art, the utility model has the advantages that the clamping mechanism is arranged, the first motor drives the double-head screw rod to rotate, the double-head screw rod drives the two sliding blocks to move, and then the connecting piece is driven to move, so that the anti-skid pads on the two clamps clamp two sides of the engine starting valve, and then the air cylinder drives the limiting plate to move downwards to clamp the top end of the engine starting valve, so that the engine starting valve cannot move at will during detection, the test data is distorted or accurate vibration characteristics cannot be obtained, and the detection is affected.

Description

Marine engine starting valve life test device

Technical Field

The utility model relates to the technical field of mechanical vibration detection, in particular to a service life test device for a starting valve of a marine engine.

Background

The engine starting valve detection vibrating table can simulate the vibrating environment of the starting valve in the manufacturing, transporting and using processes, determine whether the starting valve has the capability of bearing the environment, is used for finding early faults, and is suitable for practical working condition assessment and structural strength test. An existing mobile inspection vibrating table (publication number: CN 210513604U) has the following drawbacks in use:

it is through placing the article of detecting on the test bench, then carry out vibration detection, but it is detecting article in-process object to detect, only can not be fine avoid waiting to detect the product and can not take place to remove at vibration in-process through the baffle to can produce relative displacement or friction because of vibration, lead to test data distortion or unable accurate vibration characteristic of acquireing, for this patent proposes a marine engine starting valve life test device and solves above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a life test device for a marine engine starting valve, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a marine engine starting valve life test device, includes the workstation, and the top both sides of workstation are fixed with the baffle, run through between two baffles and be provided with vibration mechanism, and the top of workstation is provided with places the platform, and the top of placing the platform is seted up flutedly, runs through in the recess and is provided with fixture, and fixture includes: the double-end screw rod is rotationally connected between two sides of the groove, one side of the placing table is fixedly provided with a first motor, the output end of the first motor penetrates through the groove and then is fixed with the end part of the double-end screw rod, two ends of the double-end screw rod are in threaded connection with sliding blocks, the top ends of the sliding blocks are fixedly provided with connecting pieces, two opposite faces of the two connecting pieces are fixedly provided with clamps, the top ends of the connecting pieces are fixedly provided with socket connectors, the top ends of the socket connectors are spliced with plug connectors, the top end inner wall of each plug connector is fixedly provided with a cylinder, and the output end of each cylinder is fixedly provided with a limiting plate.

The bottom end of workstation is fixed with buffer gear, and buffer gear is including fixing a plurality of connecting plates in the workstation bottom, and the bottom mounting of connecting plate has the hydraulic stem, and the bottom mounting of hydraulic stem has the blotter, is fixed with first spring between the connecting plate and the buffer pad.

The vibration mechanism comprises a rotating shaft which is rotationally connected between two baffles, one side, away from the rotating shaft, of one baffle is fixed with a second motor, the output end of the second motor penetrates through the baffles and then is fixed with the end part of the rotating shaft, an eccentric block is fixed on the rotating shaft, and the eccentric block is in contact with the bottom end of the placing table.

The bottom end of placing the platform is fixed with a plurality of second springs, the bottom mounting of second spring has the connecting block, and the bottom of connecting block is fixed mutually with the top of workstation, and the bottom mounting of placing the platform has a plurality of inserted posts, inserted posts and second spring one-to-one, and is located the inboard of second spring, and its activity is pegged graft in the connecting block.

The bottom of limiting plate and two anchor clamps are relative one side all is fixed with the slipmat.

A plurality of threaded holes are formed in the socket connector and the plug connector, and bolts are screwed in the threaded holes.

Compared with the prior art, the utility model has the beneficial effects that:

this marine engine starting valve life test device, with prior art's difference is, through setting up fixture, first motor drives double-end lead screw and rotates, and double-end lead screw drives two sliders and removes, and then drives the connecting piece and remove for slipmat on two anchor clamps carries out the centre gripping to engine starting valve both sides, afterwards, drives the limiting plate through the cylinder and moves down, holds the top of engine starting valve, makes engine starting valve can not remove at will when examining, leads to test data distortion or can't acquire accurate vibration characteristic, influences the detection.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

fig. 3 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a work table; 2. a baffle; 3. a vibration mechanism; 4. a placement table; 5. a clamping mechanism; 501. double-end screw rod; 502. a first motor; 503. a connecting piece; 504. a socket; 505. a clamp; 506. a plug-in component; 507. a cylinder; 508. a limiting plate; 6. a buffer mechanism; 601. a first spring; 602. a hydraulic rod; 603. and a cushion pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The marine engine starting valve life test detection mainly comprises: the engine starting valve detection vibrating table is specially used for vibration detection operation of the starting valve, and in the process of vibration detection operation of the equipment, the starting valve is fixed on the placing table 4 through the clamping mechanism 5 in advance, so that normal operation of the equipment is ensured.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a marine engine starting valve life test device, includes workstation 1, and the top both sides of workstation 1 are fixed with baffle 2, run through between two baffles 2 and be provided with vibration mechanism 3, and the top of workstation 1 is provided with places the platform 4, and the top of placing the platform 4 is seted up flutedly, runs through in the recess and is provided with fixture 5, and fixture 5 includes: the double-end screw rod 501 is rotationally connected between the two sides of the groove, one side of the placing table 4 is fixedly provided with a first motor 502, the output end of the first motor 502 penetrates through the groove and then is fixed with the end part of the double-end screw rod 501, two ends of the double-end screw rod 501 are in threaded connection with sliding blocks, the top ends of the sliding blocks are fixedly provided with connecting pieces 503, two opposite surfaces of the two connecting pieces 503 are fixedly provided with clamps 505, the top ends of the connecting pieces 503 are fixedly provided with socket pieces 504, the top ends of the socket pieces 504 are connected with plug pieces 506 in an inserted mode, the inner wall of the top end of each plug piece 506 is fixedly provided with an air cylinder 507, the output end of each air cylinder 507 is fixedly provided with a limiting plate 508, and the bottom ends of the limiting plates 508 and the opposite surfaces of the two clamps 505 are fixedly provided with anti-slip pads. The socket 504 and the plug 506 are provided with a plurality of threaded holes, bolts are screwed in the threaded holes, a plurality of second springs are fixed at the bottom end of the placing table 4, a connecting block is fixed at the bottom end of the second springs, the bottom end of the connecting block is fixed with the top end of the workbench 1, a plurality of inserting columns are fixed at the bottom end of the placing table 4, the inserting columns correspond to the second springs one by one and are located on the inner sides of the second springs, the inserting columns are movably inserted in the connecting block, and the inserting columns are used for limiting the positions of the second springs.

It should be noted that, through placing the engine starting valve on the placing table 4, then drive the double-end screw 501 through the first motor 502 and rotate, the double-end screw 501 drives two sliders and then drives the connecting piece 503 to move, make the slipmat on two anchor clamps 505 carry out the centre gripping to the engine starting valve both sides, afterwards, drive limiting plate 508 through cylinder 507 and move down, hold the top of engine starting valve, make the engine starting valve can not remove at will when examining, and influence the detection, and can not strike placing table 4, cause the harm to placing table 4 and engine starting valve itself, in addition, two anchor clamps 505 and limiting plate 508 are all fixed through the bolt, the later stage is removable to be changed, and during the detection, acceleration sensor installs in the key position or the vibration response comparatively sensitive position of starting valve, thereby measure the acceleration that vibration mechanism 3 applyed on the starting valve, and it sends the external controller with the testing result, then staff's and then evaluate its structural strength and vibration resistance according to data.

As shown in fig. 2, a buffer mechanism 6 is fixed at the bottom end of the workbench 1, the buffer mechanism 6 comprises a plurality of connecting plates fixed at the bottom end of the workbench 1, a hydraulic rod 602 is fixed at the bottom end of the connecting plates, a buffer pad 603 is fixed at the bottom end of the hydraulic rod 602, and a first spring 601 is fixed between the connecting plates and the buffer pad 603.

It should be noted that, when the vibration mechanism 3 drives the placement table 4 to move, if the first spring 601 at the bottom of the workbench 1 compresses and extends, the hydraulic rod 602 plays a damping role, and suppresses the rapid compression and extension of the first spring 601, so as to reduce the movement of the workbench 1 and play a role of buffering and damping.

As shown in fig. 1, the vibration mechanism 3 includes a rotating shaft rotatably connected between two baffles 2, wherein one side of one baffle 2 away from the rotating shaft is fixed with a second motor, the output end of the second motor penetrates through the baffle 2 and then is fixed with the end part of the rotating shaft, and an eccentric block is fixed on the rotating shaft and contacts with the bottom end of the placing table 4.

It should be noted that, the second motor drives the rotating shaft to rotate, the rotating shaft drives the eccentric block to rotate, and because the top end of the eccentric block is larger and the bottom end is smaller, when the eccentric block rotates, the placing table 4 is driven to move up and down, and then the engine starting valve vibrates, the inserted column continuously moves up and down in the connecting block in the vibration process, the second spring continuously compresses and extends, and in addition, the external controller is electrically connected with the second motor, the first motor 502 and the air cylinder 507 and is used for controlling the starting and closing of the second motor, the first motor 502 and the air cylinder 507.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims (6)

1. The utility model provides a marine engine starting valve life test device, includes workstation (1), its characterized in that: baffle (2) are fixed with in top both sides of workstation (1), run through between two baffles (2) and be provided with vibration mechanism (3), and the top of workstation (1) is provided with places platform (4), and the top of placing platform (4) is seted up flutedly, runs through in the recess and is provided with fixture (5), and fixture (5) include: the double-end screw rod (501) between the two sides of the groove is rotationally connected, one side of the placing table (4) is fixedly provided with a first motor (502), the output end of the first motor (502) penetrates through the groove and then is fixed with the end part of the double-end screw rod (501), two ends of the double-end screw rod (501) are in threaded connection with sliding blocks, the top ends of the sliding blocks are fixedly provided with connecting pieces (503), two opposite sides of the two connecting pieces (503) are fixedly provided with clamps (505), the top ends of the connecting pieces (503) are fixedly provided with socket connectors (504), the top ends of the socket connectors (504) are connected with plug connectors (506) in an inserted mode, the inner wall of the top ends of the plug connectors (506) is fixedly provided with air cylinders (507), and the output ends of the air cylinders (507) are fixedly provided with limiting plates (508).

2. The marine engine start valve life test device according to claim 1, wherein: the bottom end of workstation (1) is fixed with buffer gear (6), and buffer gear (6) are including fixing a plurality of connecting plates in workstation (1) bottom, and the bottom end mounting of connecting plate has hydraulic stem (602), and the bottom mounting of hydraulic stem (602) has blotter (603), is fixed with first spring (601) between connecting plate and the buffer pad (603).

3. The marine engine start valve life test device according to claim 1, wherein: the vibrating mechanism (3) comprises a rotating shaft which is rotationally connected between two baffles (2), one side, away from the rotating shaft, of one baffle (2) is fixed with a second motor, the output end of the second motor penetrates through the baffles (2) and then is fixed with the end part of the rotating shaft, an eccentric block is fixed on the rotating shaft, and the eccentric block is in contact with the bottom end of the placing table (4).

4. The marine engine start valve life test device according to claim 1, wherein: the bottom end of placing platform (4) is fixed with a plurality of second springs, and the bottom mounting of second spring has the connecting block, and the bottom of connecting block is fixed mutually with the top of workstation (1), and the bottom mounting of placing platform (4) has a plurality of spliced poles, spliced pole and second spring one-to-one, and is located the inboard of second spring, and its activity is pegged graft in the connecting block.

5. The marine engine start valve life test device according to claim 1, wherein: the bottom end of the limiting plate (508) and one opposite surface of the two clamps (505) are respectively fixed with an anti-slip pad.

6. The marine engine start valve life test device according to claim 1, wherein: a plurality of threaded holes are formed in the socket connector (504) and the plug connector (506), and bolts are screwed in the threaded holes.