Testing device for low-power generator set of ship

Abstract

The utility model relates to the technical field of generator set testing, in particular to a ship low-power generator set testing device, which comprises a base and a workbench, the workbench is arranged above the base, a correction mechanism is arranged below the workbench, a lifting mechanism is arranged above the base, the upper surface of the workbench is fixedly connected with a fixed plate, and the upper surface of the fixed plate is fixedly connected with a lifting mechanism. The left side of the fixing plate is rotationally connected with a rotating plate through a bearing, and an electric push rod is fixedly connected into the workbench. The air cylinder drives the first supporting rod to move, the first supporting rod drives the two second supporting rods to move, the second supporting rods drive the first sliding block to slide, the first sliding block drives the support to move, the support drives the round roller to move, the round roller is attached to the outer wall of the ship low-power generator set, the position of the ship low-power generator set is adjusted, and the position of the round roller can be adjusted. And ship low-power generator sets with different sizes can be straightened, so that the test device does not have certain limitation.

Description

Technical Field

[0001] The utility model relates to the technical field of motor group testing, in particular to a testing device for a small-power generator group of a ship. Background Art

[0002] In recent years, diesel generator sets have been increasingly used on ships. In addition to being used as conventional generator sets to provide ship power, they are also increasingly used for electric propulsion.

[0003] For example, patent number CN217443507U is a marine generator test bench, including a workbench, the upper surface of the workbench is slidably connected to a clamping plate, the upper surface of the clamping plate is fixedly connected to a contraction plate, the inside of the contraction plate is slidably connected to a measuring ruler, the side surface of the clamping plate is fixedly connected to a spring, and the end of the spring away from the clamping plate is fixedly connected to a fitting plate. The above document still has shortcomings. When in use, through the installed fitting plate, spring, push block, moving plate and measuring ruler, when the generator set is detecting the speed, the generator set may shake according to the different speeds. When the generator set is shaking, the fitting plate The spring can be squeezed, and the push block can slide inside the clamping plate to push the movable plate to move, so that the measuring ruler can extend from the retracted plate. However, the distance between the two limit plates in the above document is fixed. When the position of the small-power generator set of the ship is adjusted, only the small-power generator set of the ship with a fixed size can be adjusted, which makes the test device have certain limitations. At the same time, the small-power generator set of the ship has a certain weight. The height of the workbench in the above document is fixed. When testing the small-power generator set of the ship, the height of the small-power generator set of the ship needs to be lifted up is relatively high, the operation is relatively troublesome, and it is not convenient to adjust the height of the workbench. Utility Model Content

[0004] The utility model aims to solve the problem that the test device has certain limitations, and proposes a test device for a small-power generator set on a ship.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A test device for a small-power generator set for a ship is designed, comprising a base and a workbench, wherein the workbench is arranged above the base, a correction mechanism is arranged below the workbench, a lifting mechanism is arranged above the base, a fixing plate is fixedly connected to the upper surface of the workbench, a rotating plate is rotatably connected to the left side of the fixing plate through a bearing, an electric push rod is fixedly connected to the inside of the workbench, a second slider is fixedly connected to the output end of the electric push rod, and an outer wall of the second slider is slidably connected to the workbench.

[0007] Preferably, the correction mechanism includes a cylinder, which is fixed to the lower surface of the workbench, and the output end of the cylinder is fixed to a first support rod, both ends of the first support rod are rotatably connected to the second support rod through a pin shaft, the end of the second support rod is rotatably connected to a first slider through a pin shaft, the outer wall of the first slider is slidably connected to the workbench, a bracket is fixed above the first slider, and the interior of the bracket is rotatably connected to a round roller through a bearing.

[0008] Preferably, the lifting mechanism includes a motor, the motor is fixedly connected to the inside of the base, the output shaft of the motor is fixedly connected to a screw, the outer wall of the lower end of the screw is rotatably connected to the base through a bearing, the outer wall of the screw is threadedly connected to a threaded block, the surface of the threaded block is rotatably connected to two first connecting rods through a pin shaft, a sliding groove arranged in the first connecting rod is slidably connected to the outer wall of the pin rod, the pin rod is fixed to the surface of the vertical rod, the lower end of the vertical rod is fixedly connected to the base, the end of the first connecting rod is rotatably connected to the second connecting rod through a pin shaft, and the end of the second connecting rod is rotatably connected to the workbench through a pin shaft.

[0009] Preferably, a clamping plate is fixedly connected to the upper surface of the second sliding block, and the clamping plate and the supporting plate are fixedly connected to two ends of the spring respectively.

[0010] Preferably, a contraction plate is fixedly connected to the outer wall of the clamping plate, and the contraction plate is slidably connected to the outer wall of the measuring ruler.

[0011] Preferably, the end of the measuring ruler is fixedly connected to the support plate.

[0012] The utility model proposes a test device for a small-power ship generator set, and its beneficial effects are as follows: through the cooperation among the cylinder, the first support rod, the second support rod, the first slider, the bracket and the round roller, the cylinder drives the first support rod to move, the first support rod drives the two second support rods to move, the second support rod drives the first slider to slide, the first slider drives the bracket to move, the bracket drives the round roller to move, the round roller fits with the outer wall of the small-power ship generator set to align the position of the small-power ship generator set, the position of the round roller can be adjusted, and the small-power ship generator sets of different sizes can be aligning, so that the test device does not have certain limitations.

[0013] Through the cooperation among the motor, the screw, the threaded block, the first connecting rod, the pin rod, the vertical rod and the second connecting rod, the motor drives the screw to rotate, the screw drives the threaded block to move, the threaded block drives the two first connecting rods to move, the first connecting rod drives the second connecting rod to move under the support of the pin rod and the vertical rod, when the first connecting rod moves, the pin rod slides in the slide groove set in the first connecting rod, the second connecting rod moves the workbench downward, so that the height of the workbench is lowered, the small-power ship generator set to be tested is placed on the conveying mechanism above the workbench, the motor is started in reverse, the workbench moves in reverse, and the initial height is restored. When placing the small-power ship generator set, the height of the workbench can be adjusted, the operation is relatively simple, and the height of the workbench is convenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the motor, the screw rod and the threaded block in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the cylinder, the first support rod and the second support rod in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection between the electric push rod, the clamping plate and the spring in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connection between the workbench, the fixing seat and the rotating plate in the utility model.

[0020] In the figure: 1. base, 2. workbench, 3. correction mechanism, 301. cylinder, 302. first support rod, 303. second support rod, 304. first slider, 305. bracket, 306. round roller, 4. lifting mechanism, 401. motor, 402. screw, 403. threaded block, 404. first connecting rod, 405. pin, 406. vertical rod, 407. second connecting rod, 4a1. sleeve, 4a2. slide rod, 5. fixed seat, 6. rotating plate, 7. electric push rod, 8. second slider, 9. splint, 10. spring, 11. support plate, 12. retractable plate, 13. measuring ruler. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] Refer to the attached Figure 1-6: In this embodiment, a test device for a small-power generator set of a ship includes a base 1 and a workbench 2. The workbench 2 is arranged above the base 1. A correction mechanism 3 is arranged below the workbench 2. The correction mechanism 3 corrects the position of the small-power generator set of the ship. A lifting mechanism 4 is arranged above the base 1. The lifting mechanism 4 adjusts the height of the workbench 2. A fixed plate 5 is fixedly connected to the upper surface of the workbench 2. A rotating plate 6 is rotatably connected to the left side of the fixed plate 5 through a bearing;

[0024] An electric push rod 7 is fixedly connected to the inside of the workbench 2, and a second slider 8 is fixedly connected to the output end of the electric push rod 7. The electric push rod 7 drives the second slider 8 to slide. The outer wall of the second slider 8 is slidably connected to the workbench 2, and the second slider 8 slides inside the workbench 2. A clamping plate 9 is fixedly connected to the upper surface of the second slider 8, and the second slider 8 drives the clamping plate 9 to move. The clamping plate 9 and the support plate 11 are respectively fixedly connected to the two ends of the spring 10. The model of the spring 10 is selected according to actual use requirements to meet the work needs. A retraction plate 12 is fixedly connected to the outer wall of the clamping plate 9, and the retraction plate 12 is slidably connected to the outer wall of the measuring ruler 13. The measuring ruler 13 slides inside the retraction plate 12. The end of the measuring ruler 13 is fixedly connected to the support plate 11, and the lower surface of the support plate 11 fits with the workbench 2.

[0025] The correction mechanism 3 includes a cylinder 301, a first support rod 302, a second support rod 303, a first slider 304, a bracket 305 and a round roller 306. The cylinder 301 is fixedly connected to the lower surface of the workbench 2. The output end of the cylinder 301 is fixedly connected to the first support rod 302. The cylinder 301 drives the first support rod 302 to move. Both ends of the first support rod 302 are rotatably connected to the second support rod 303 through a pin shaft. The first support rod 302 drives the two second support rods 303 to move.

[0026] The end of the second support rod 303 is rotatably connected to the first slider 304 through a pin shaft, and the second support rod 303 drives the first slider 304 to move. The outer wall of the first slider 304 is slidably connected to the workbench 2. A bracket 305 is fixedly connected to the top of the first slider 304. The first slider 304 drives the bracket 305 to move. The inside of the bracket 305 is rotatably connected to a roller 306 through a bearing, and the bracket 305 drives the roller 306 to move.

[0027] The cylinder 301 drives the first support rod 302 to move, the first support rod 302 drives the two second support rods 303 to move, the second support rod 303 drives the first slider 304 to slide, the first slider 304 drives the bracket 305 to move, the bracket 305 drives the round roller 306 to move, the round roller 306 fits with the outer wall of the ship's small-power generator set to align the position of the ship's small-power generator set, the position of the round roller 306 can be adjusted, and the ship's small-power generator sets of different sizes can be aligned, so that the test device does not have certain limitations.

[0028] The lifting mechanism 4 includes a motor 401, a screw rod 402, a threaded block 403, a first connecting rod 404, a pin rod 405, a vertical rod 406 and a second connecting rod 407. The motor 401 is fixedly connected to the inside of the base 1. The output shaft of the motor 401 is fixedly connected to the screw rod 402. The motor 401 drives the screw rod 402 to rotate. The outer wall of the lower end of the screw rod 402 is rotatably connected to the base 1 through a bearing. The outer wall of the screw rod 402 is threadedly connected to the threaded block 403. The screw 402 drives the threaded block 403 to move. The surface of the threaded block 403 is rotatably connected to two first connecting rods 404 through a pin shaft. The threaded block 403 drives the two first connecting rods 404 to move.

[0029] The slide groove provided in the first connecting rod 404 is slidably connected to the outer wall of the pin rod 405, and the pin rod 405 supports the first connecting rod 404. The pin rod 405 is fixedly connected to the surface of the vertical rod 406, and the lower end of the vertical rod 406 is fixedly connected to the base 1. The end of the first connecting rod 404 is rotatably connected to the second connecting rod 407 through a pin shaft. The first connecting rod 404 drives the second connecting rod 407 to move. The end of the second connecting rod 407 is rotatably connected to the workbench 2 through a pin shaft, and the second connecting rod 407 drives the workbench 2 to move.

[0030] The motor 401 drives the screw rod 402 to rotate, the screw rod 402 drives the threaded block 403 to move, the threaded block 403 drives the two first connecting rods 404 to move, and the first connecting rod 404 drives the second connecting rod 407 to move under the support of the pin rod 405 and the vertical rod 406. When the first connecting rod 404 moves, the pin rod 405 slides in the slide groove set in the first connecting rod 404, and the second connecting rod 407 moves the workbench 2 downward to reduce the height of the workbench 2, and the small-power ship generator set to be tested is placed on the conveying mechanism above the workbench 2, and the motor 401 is started in reverse, and the workbench 2 moves in the reverse direction to restore the initial height. When placing the small-power ship generator set, the height of the workbench 2 can be adjusted, the operation is relatively simple, and it is convenient to adjust the height 2 of the workbench.

[0031] Working principle:

[0032] When testing a ship's small power generator set using a ship's small power generator set test device;

[0033] Workbench height adjustment stage:

[0034] Start the motor 401, the motor 401 drives the screw rod 402 to rotate, the screw rod 402 drives the threaded block 403 to move, the threaded block 403 drives the two first connecting rods 404 to move, the first connecting rod 404 drives the second connecting rod 407 to move under the support of the pin rod 405 and the vertical rod 406, when the first connecting rod 404 moves, the pin rod 405 slides in the slide groove provided in the first connecting rod 404, the second connecting rod 407 moves the workbench 2 downward, so that the height of the workbench 2 is reduced, and the small-power ship generator set to be tested is placed on the conveying mechanism above the workbench 2, and the motor 401 is started in the reverse direction, and the workbench 2 moves in the reverse direction to restore the initial height. When placing the small-power ship generator set, the height of the workbench 2 can be adjusted, the operation is relatively simple, and it is convenient to adjust the height 2 of the workbench;

[0035] Position correction stage of small power generator sets on ships:

[0036] The ship's low-power generator set is located on the left side of the conveying mechanism, and the cylinder 301 is started. The cylinder 301 drives the first support rod 302 to move, and the first support rod 302 drives the two second support rods 303 to move. The second support rod 303 drives the first slider 304 to slide, and the first slider 304 drives the bracket 305 to move, and the bracket 305 drives the round roller 306 to move. The round roller 306 fits the outer wall of the ship's low-power generator set to align the position of the ship's low-power generator set. The position of the round roller 306 can be adjusted, and the ship's low-power generator sets of different sizes can be aligned, so that the test device does not have certain limitations;

[0037] Test phase of small power generator sets on ships:

[0038] The conveying mechanism conveys the ship's small-power generator set to the right, and the round roller 306 can rotate without affecting the movement of the ship's small-power generator set. The ship's small-power generator set moves between the two clamps 9, and the connecting hole is used to make the output end of the generator set fit into the inside of the rotating plate 6 for connection. The electric push rod 7 drives the second slider 8 to slide, and the second slider 8 drives the clamp 9 to move. The clamps 9 on both sides fit with the outer wall of the ship's small-power generator set to position the ship's small-power generator set. The generator set is started so that the speed of the generator set can be tested. When the generator set is detecting the speed, the generator set can shake according to the different speeds, so that the support plate 11 can squeeze the spring 10, and the measuring ruler 13 can extend from the retracting plate 12, so as to facilitate the testing of the shaking frequency of the generator set at different speeds, so that the shaking of the generator set at different speeds can be known.

[0039] Embodiment 2:

[0040] Refer to the attached Figure 1-6In this embodiment, a test device for a small power generator set for a ship, the lifting mechanism 4 further comprises a sleeve 4a1 and a slide bar 4a2, the sleeve 4a1 is fixedly connected to the upper surface of the base 1, the interior of the sleeve 4a1 is slidably connected to the slide bar 4a2, the slide bar 4a2 slides inside the sleeve 4a1, the end of the slide bar 4a2 is fixedly connected to the workbench 2, and the workbench 2 drives the slide bar 4a2 to move;

[0041] Through the cooperation between the sleeve 4a1 and the slide rod 4a2, the workbench 2 drives the slide rod 4a2 to move when it moves. The slide rod 4a2 slides inside the sleeve 4a1. The slide rod 4a2 and the sleeve 4a1 guide the movement of the workbench 2.

[0042] Working principle:

[0043] When the workbench 2 moves, it drives the slide bar 4a2 to move. The slide bar 4a2 slides inside the sleeve 4a1. The slide bar 4a2 and the sleeve 4a1 guide the movement of the workbench 2.

[0044] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A ship low-power generator set test device, comprising a base (1) and a workbench (2), wherein the workbench (2) is arranged above the base (1). Features: A correction mechanism (3) is arranged below the workbench (2), a lifting mechanism (4) is arranged above the base (1), a fixed plate (5) is fixedly connected to the upper surface of the workbench (2), a rotating plate (6) is rotatably connected to the left side of the fixed plate (5) via a bearing, an electric push rod (7) is fixedly connected to the inside of the workbench (2), a second slider (8) is fixedly connected to the output end of the electric push rod (7), and the outer wall of the second slider (8) is slidably connected to the workbench (2).

2. A ship small power generator set test device according to claim 1, Features: The correction mechanism (3) comprises a cylinder (301), wherein the cylinder (301) is fixedly connected to the lower surface of the workbench (2), the output end of the cylinder (301) is fixedly connected to a first support rod (302), both ends of the first support rod (302) are rotatably connected to a second support rod (303) via a pin shaft, the end of the second support rod (303) is rotatably connected to a first slider (304) via a pin shaft, the outer wall of the first slider (304) is slidably connected to the workbench (2), a bracket (305) is fixedly connected above the first slider (304), and the interior of the bracket (305) is rotatably connected to a round roller (306) via a bearing.

3. A ship small power generator set test device according to claim 1, Features: The lifting mechanism (4) comprises a motor (401), wherein the motor (401) is fixedly connected to the inside of the base (1), the output shaft of the motor (401) is fixedly connected to a screw rod (402), the outer wall of the lower end of the screw rod (402) is rotatably connected to the base (1) via a bearing, the outer wall of the screw rod (402) is threadedly connected to a threaded block (403), the surface of the threaded block (403) is rotatably connected to two first connecting rods (404) via a pin shaft, a sliding groove arranged in the first connecting rod (404) is slidably connected to the outer wall of the pin rod (405), the pin rod (405) is fixedly connected to the surface of a vertical rod (406), the lower end of the vertical rod (406) is fixedly connected to the base (1), the end of the first connecting rod (404) is rotatably connected to a second connecting rod (407) via a pin shaft, and the end of the second connecting rod (407) is rotatably connected to the workbench (2) via a pin shaft.

4. A ship small power generator set test device according to claim 1, Features: A clamping plate (9) is fixedly connected to the upper surface of the second sliding block (8), and the clamping plate (9) and the supporting plate (11) are respectively fixedly connected to the two ends of the spring (10).

5. A ship small power generator set test device according to claim 4, Features: The outer wall of the clamping plate (9) is fixedly connected with a contraction plate (12), and the contraction plate (12) is slidably connected with the outer wall of the measuring ruler (13).

6. A test device for a small power generator set for a ship according to claim 5, Features: The end of the measuring ruler (13) is fixedly connected to the support plate (11).

Images