An outboard motor water test bench

Abstract

The present invention discloses an outboard motor water test bench, comprising: a buoyancy platform mechanism, comprising a plurality of fixed columns and a floating platform slidably arranged on the plurality of columns, the floating platform floats on the water surface and moves up and down along the plurality of columns according to the water surface height, the floating platform is provided with a test slot for the outboard motor to pass through and be immersed in the water; a lifting device, which is arranged on the periphery of the test slot and comprises two lifting mechanisms arranged oppositely; an angle adjustment device, which is installed between the two lifting mechanisms, the angle adjustment device is transmission-connected with the two lifting mechanisms and is lifted and lowered under the drive of the two lifting mechanisms, and the outboard motor is installed on the angle adjustment device. The outboard motor water test bench provided by the present invention can simulate the actual test working conditions of the outboard motor and improve the test accuracy and efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of outboard motor testing, and in particular to an outboard motor water testing bench. Background Art

[0002] The reliability test of outboard motors and the performance verification test in the development stage require the testing of various parameters of outboard motors in a real environment. The existing real environment testing conditions can only be achieved through shipboard sailing tests, which are labor-intensive, time-consuming and difficult to test. Since the sailing tests in lakes, rivers and waters have speed restrictions and personnel have high operating requirements, it is difficult to achieve real and effective data.

[0003] Chinese patent CN11 6973113A discloses an outboard motor test system which uses a test water tank for testing, and is unable to simulate the actual working conditions of water levels in rivers, lakes, and the sea, and is unable to collect real and valuable test data, and is unable to simulate actual test conditions. Summary of the invention

[0004] Based on the above problems, the object of the present invention is to provide an outboard motor water test bench that can simulate real test conditions.

[0005] In order to solve the problems in the prior art, the technical solution provided by the present invention is:

[0006] An outboard motor water test bench, comprising:

[0007] The buoyancy platform mechanism comprises a plurality of fixed columns and a floating platform slidably arranged on the plurality of columns, the floating platform floats on the water surface and moves up and down along the plurality of columns according to the water surface height, and the floating platform is provided with a test slot for the outboard motor to pass through so as to be immersed in the water;

[0008] A lifting device, which is arranged at the periphery of the test slot and includes two lifting mechanisms arranged opposite to each other;

[0009] An angle adjustment device is installed between the two lifting mechanisms. The angle adjustment device is in transmission connection with the two lifting mechanisms and is lifted and lowered under the drive of the two lifting mechanisms. The outboard motor is installed on the angle adjustment device.

[0010] Furthermore, the lifting mechanism includes a lifting bracket, a guide rail assembly installed on the lifting bracket and extending in a vertical direction, and a lifting drive assembly installed on the lifting bracket, and the angle adjustment device is slidably connected to the lifting bracket via the guide rail assembly.

[0011] Furthermore, the lifting drive assembly is a bevel gear lifter, one end of the lead screw of the bevel gear lifter is fixed with a connecting flange, and the angle adjustment device is fixedly connected to the connecting flange.

[0012] Furthermore, the lifting bracket includes two symmetrically arranged L-shaped support plates, multiple L-shaped frames fixed on the L-shaped support plates, reinforcing ribs fixed on the L-shaped frames, and a connecting plate fixed on the upper ends of the two L-shaped support plates, and the lifting drive assembly is installed on the connecting plate.

[0013] Furthermore, the angle adjustment device includes a rotating shaft, a rotating arm assembly fixed on the rotating shaft, and an angle adjustment mechanism arranged at both axial ends of the rotating shaft, and the outboard motor is installed on the rotating arm assembly.

[0014] Furthermore, the angle adjustment mechanism includes a gear box slidably connected to the lifting bracket, a driving shaft rotatably arranged in the gear box, a driving gear fixed on the driving shaft, a driven gear meshing with the driving gear, and an angle plate assembly that limits the rotation angle of the driving shaft. Both ends of the rotating shaft are rotatably arranged on two gear boxes, and the driven gear is fixed on the rotating shaft.

[0015] Furthermore, at least one of the driving shafts is connected to a driving handwheel.

[0016] Furthermore, the angle plate assembly includes an angle plate and an angle limit pin fixed to the gear box on one side close to the swing arm assembly. A plurality of sockets are provided on the angle plate along the rotation direction of the rotating shaft. The angle limit pin is removably arranged in the socket to limit the angle of the rotating shaft.

[0017] Furthermore, a safety guardrail is provided on the circumference of the floating platform.

[0018] Furthermore, the floating platform is provided with a through hole for the column to pass through, and a sliding guide mechanism is provided in the through hole, and the sliding guide mechanism includes a plurality of roller assemblies arranged along the circumference of the through hole.

[0019] Compared with the prior art, the advantages of the present invention are:

[0020] 1. The buoyancy platform mechanism can automatically adjust the height of the floating platform according to the speed of the outboard engine, the water surface and the height of the surge. It not only protects the safety of the engine during the rise and fall of the water level, but also simulates the real test conditions, so as to simulate rivers, lakes, oceans, medium, high and low speeds for testing according to different test conditions of the outboard engine;

[0021] 2. It can simulate the working conditions on water and automatically raise and lower the floating platform, so as to simulate the more complex test conditions on water. It can automatically raise and lower the test platform according to the horizontal plane, so as to achieve high speed and high torque conditions, with high working efficiency, stable operation, convenient operation and high safety.

[0022] 3. The lifting device and angle adjustment device can adjust the draft depth and angle of the outboard motor to simulate the outboard motor water test conditions and facilitate position adjustment during engine maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. The accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram of an embodiment of an outboard motor water test bench of the present invention;

[0025] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0026] Figure 3 It is a schematic diagram of the disassembled structure of an embodiment of the present invention;

[0027] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0028] Figure 5 It is a structural schematic diagram of the lifting mechanism in an embodiment of the present invention;

[0029] Figure 6 It is a structural schematic diagram of the angle adjustment device in an embodiment of the present invention;

[0030] Figure 7 Schematic diagram of the installation structure of the outboard motor in an embodiment of the present invention;

[0031] Figure 8 for Figure 7 A partial enlarged view of point C in the middle;

[0032] in:

[0033] 1. Floating platform mechanism; 1-1. Column; 1-1a. Limiting component; 1-2. Floating platform; 1-2a. Test slot; 1-2b. Fixed bracket; 1-2c. Perforation; 1-3. Roller assembly; 1-3a. Roller bracket; 1-3b. Roller; 1-4. Safety guardrail;

[0034] 2. Lifting mechanism; 2-1. Lifting bracket; 2-1a. L-shaped support plate; 2-1b. L-shaped frame; 2-1c. Reinforcement ribs; 2-1d. Connecting plate; 2-2. Lifting drive assembly; 2-2a. Screw rod; 2-2b. Connecting flange; 2-2c. Drive motor; 2-3. Guide rail assembly; 2-4. Connecting rod;

[0035] 3. Angle adjustment device; 3-1. Rotating shaft; 3-2. Rotating arm assembly; 3-2a. First rotating arm; 3-2b. Second rotating arm; 3-3. Angle adjustment mechanism; 3-3a. Gear box; 3-3b. Driving shaft; 3-3c. Driving gear; 3-3d. Driven gear; 3-3e. Angle plate; 3-3e 1. Socket; 3-3f. Angle limit pin; 3-3g. Driving hand wheel;

[0036] 4. Outboard motor. DETAILED DESCRIPTION

[0037] The above scheme is further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present invention and are not limited to the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted according to the conditions of the specific manufacturer, and the unspecified implementation conditions are usually the conditions in conventional experiments.

[0038] See also Figure 1 and Figure 3 , is a structural schematic diagram of an embodiment of the present invention, which provides an outboard motor water test bench, including a buoyancy platform mechanism 1, a lifting device installed on the buoyancy platform mechanism 1, and an angle adjustment device 3 installed on the lifting device. The outboard motor 4 is installed on the angle adjustment device 3. The draft angle of the outboard motor 4 is adjusted by the angle adjustment device 3. The height of the angle adjustment device 3 is adjusted by the lifting device to adjust the draft depth of the outboard motor 4. The buoyancy platform mechanism 1 can automatically adjust its height according to the speed of the outboard motor 4, the water surface and the height of the surge.

[0039] The buoyancy platform mechanism 1 includes a plurality of columns 1-1 fixedly arranged in the water and a floating platform 1-2 slidably arranged on the plurality of columns 1-1. The floating platform 1-2 is made of polyethylene material, can float on the water surface and move up and down along the plurality of columns 1-1 according to the water surface height. A test groove 1-2a is provided on the floating platform 1-2 for the outboard motor 4 to pass through so as to be immersed in the water.

[0040] In this example, the floating platform 1-2 is a rectangular plate-like structure. Accordingly, four columns 1-1 are fixed in the water. The four columns are respectively arranged at the top corners of the floating platform 1-2. A limiting component 1-1a is provided on the top of the column 1-1 to limit the floating platform 1-2 on the column 1-1 to prevent the floating platform 1-2 from being separated from the column 1-1 when the water depth is large.

[0041] In order to facilitate the installation of the lifting device, a fixed bracket 1-2b is fixed on the floating platform 1-2. The fixed bracket 1-2b is a frame structure composed of profiles and is fixed on the floating platform 1-2 by screws.

[0042] In order to facilitate installation and maintenance of the test bench, a safety guardrail 1-4 is provided on the circumference of the floating platform 1-2 to improve safety.

[0043] In order to facilitate the sliding fit between the floating platform 1-2 and the column 1-1, as Figure 4 As shown, a through hole 1-2c is provided on the floating platform 1-2 for the column 1-1 to pass through, and a sliding guide mechanism is provided in the through hole 1-2c. The sliding guide mechanism includes a plurality of roller assemblies 1-3 arranged along the circumference of the through hole 1-2c. The roller assembly 1-3 includes a roller bracket 1-3a fixed to the inner wall of the through hole 1-2c and a roller 1-3b rotatably arranged on the roller bracket 1-3a. The roller 1-3b rolls with the column 1-1.

[0044] like Figure 2 As shown, the lifting device is arranged at the periphery of the test slot 1-2a, and includes two lifting mechanisms 2 arranged opposite to each other. Specifically, the lifting mechanism 2 includes a lifting bracket 2-1, a guide rail assembly 2-3 installed on the lifting bracket 2-1 and extending in a vertical direction, and a lifting drive assembly 2-2 installed on the lifting bracket 2-1, and the angle adjustment device 3 is slidably connected to the lifting bracket 2-1 via the guide rail assembly 2-3.

[0045] In this example, the lifting drive component 2-2 is a bevel gear lift, which is a prior art and will not be described in detail in the present invention. A connecting flange 2-2b is fixed to one end of the screw rod 2-2a of the bevel gear lift, and the angle adjustment device 3 is fixedly connected to the connecting flange 2-2b. The screw rod 2-2a is driven to rise and fall by the driving motor 2-2c, so as to drive the angle adjustment device 3 to rise and fall, and further drive the outboard motor 4 to rise and fall.

[0046] like Figure 5 As shown, the lifting bracket 2-1 includes two symmetrically arranged L-shaped support plates 2-1a, multiple L-shaped skeletons 2-1b fixed on the L-shaped support plates 2-1a, reinforcing ribs 2-1c fixed on the L-shaped skeletons 2-1b, and connecting plates 2-1d fixed on the upper ends of the two L-shaped support plates 2-1a, and the lifting drive assembly 2-2 is installed on the connecting plate 2-1d.

[0047] In order to improve the strength of the structure, a connecting rod assembly is connected between the two lifting brackets 2-1, and the connecting rod assembly may include two connecting rods 2-4 arranged in parallel up and down.

[0048] The guide rail assembly 2-3 is installed on the L-shaped support plate 2-1a, including two slide rails installed on each L-shaped support plate 2-1a. At the same time, a slider that cooperates with the guide rail is provided on the angle adjustment device 3. The sliding cooperation between the angle adjustment device 3 and the lifting bracket 2-1 is realized through the cooperation between the slider and the slide rail.

[0049] like Figure 6 As shown, the angle adjustment device 3 includes a rotating shaft 3-1, an arm assembly 3-2 fixed on the rotating shaft 3-1, and an angle adjustment mechanism 3-3 arranged at both ends of the rotating shaft 3-1. The outboard motor 4 is installed on the arm assembly 3-2. The arm assembly 3-2 includes a first arm 3-2a extending along the axial direction of the rotating shaft 3-1 and a second arm 3-2b fixed in the middle of the first arm 3-2a. The outboard motor 4 is fixedly connected to the second arm 3-2b. A connecting seat can be arranged on one side of the first arm 3-2a, and the rotating shaft 3-1 is inserted into the connecting seat and is interference-fitted with the connecting seat to realize the fixed connection between the rotating shaft 3-1 and the first arm 3-2a. The second arm 3-2b can be screwed on the first arm 3-2a.

[0050] like Figure 7 and Figure 8 As shown, the angle adjustment mechanism 3-3 includes a gear box 3-3a slidably connected to the lifting bracket 2-1, a drive shaft 3-3b rotatably set in the gear box 3-3a, a drive gear 3-3c fixed on the drive shaft 3-3b, a driven gear 3-3d meshing with the drive gear 3-3c, and an angle plate assembly that limits the rotation angle of the drive shaft 3-3b. The two ends of the rotating shaft 3-1 are rotatably set on the two gear boxes 3-3a of the two angle adjustment mechanisms 3-3, and the driven gear 3-3d is fixed on the rotating shaft 3-1, wherein the driving gear 3-3c is a small gear and the driven gear 3-3d is a large gear. Specifically, the driving shaft 3-3b and the rotating shaft 3-1 are supported on the gear box 3-1a through bearings respectively. When the driving shaft 3-3b rotates, the driving gear 3-3c drives the driven gear 3-3d to rotate, thereby driving the rotating shaft 3-1 to rotate, so as to adjust the draft angle of the outboard motor 4.

[0051] In order to facilitate the rotation of the driving shaft 3-3b, at least one driving shaft 3-3b is connected to a driving hand wheel 3-3g, and the driving shaft 3-3b is extended to the outside of the gear box 3-3a and connected to the driving hand wheel 3-3g.

[0052] The angle plate assembly includes an angle plate 3-3e and an angle limit pin 3-3f fixed to the gear box 3-3a near the side of the swing arm assembly 3-2. A plurality of insertion holes 3-3e l are provided on the angle plate 3-3e along the rotation direction of the rotation shaft 3-1. The angle limit pin 3-3f is detachably arranged in the insertion hole 3-3e l and abuts against the swing arm assembly 3-2 to limit the angle of the rotation shaft 3-1. When the draft angle of the outboard motor 4 needs to be adjusted, the two angle limit pins 3-3f need to be removed, and the angle limit pin 3-3f is used to limit the angle after the angle adjustment is completed.

[0053] The working principle of the present invention is:

[0054] A plurality of columns 1-1 are fixed in the water, and then a floating platform 1-2 is installed on the plurality of columns 1-1. The draft depth and draft angle of the outboard motor 4 can be adjusted by the lifting device and the angle adjustment device 3 on the floating platform 1-2 to meet the requirements of different test conditions. The floating platform 1-2 can adjust its height automatically according to the speed of the outboard motor 4, the water surface and the surge height to simulate the real test condition.

[0055] In summary, the test bench can simulate real test conditions and improve test accuracy and efficiency.

[0056] The above examples are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent transformation or modification made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. An outboard motor water test bench, characterized in that: include: The buoyancy platform mechanism comprises a plurality of fixed columns and a floating platform slidably arranged on the plurality of columns, the floating platform floats on the water surface and moves up and down along the plurality of columns according to the water surface height, and the floating platform is provided with a test slot for the outboard motor to pass through so as to be immersed in the water; A lifting device, which is arranged at the periphery of the test slot and includes two lifting mechanisms arranged opposite to each other; An angle adjustment device is installed between the two lifting mechanisms. The angle adjustment device is in transmission connection with the two lifting mechanisms and is lifted and lowered under the drive of the two lifting mechanisms. The outboard motor is installed on the angle adjustment device.

2. The outboard motor water test bench according to claim 1, characterized in that: The lifting mechanism comprises a lifting bracket, a guide rail assembly installed on the lifting bracket and extending in a vertical direction, and a lifting drive assembly installed on the lifting bracket. The angle adjustment device is slidably connected to the lifting bracket via the guide rail assembly.

3. The outboard motor water test bench according to claim 2, characterized in that: The lifting drive assembly is a bevel gear lifter, one end of the lead screw of the bevel gear lifter is fixed with a connecting flange, and the angle adjustment device is fixedly connected to the connecting flange.

4. The outboard motor water test bench according to claim 2, characterized in that: The lifting bracket includes two symmetrically arranged L-shaped support plates, a plurality of L-shaped frames fixed on the L-shaped support plates, reinforcing ribs fixed on the L-shaped frames, and a connecting plate fixed on the upper ends of the two L-shaped support plates, and the lifting drive assembly is installed on the connecting plate.

5. The outboard motor water test bench according to claim 2, characterized in that: The angle adjustment device comprises a rotating shaft, a rotating arm assembly fixed on the rotating shaft and angle adjustment mechanisms arranged at two axial ends of the rotating shaft, and the outboard motor is mounted on the rotating arm assembly.

6. The outboard motor water test bench according to claim 5, characterized in that: The angle adjustment mechanism includes a gear box slidably connected to the lifting bracket, a driving shaft rotatably arranged in the gear box, a driving gear fixed on the driving shaft, a driven gear meshing with the driving gear, and an angle plate assembly that limits the rotation angle of the driving shaft. Both ends of the rotating shaft are rotatably arranged on two gear boxes, and the driven gear is fixed on the rotating shaft.

7. The outboard motor water test bench according to claim 6, characterized in that: At least one of the drive shafts is connected to a drive hand wheel.

8. The outboard motor water test bench according to claim 6, characterized in that: The angle plate assembly includes an angle plate and an angle limit pin fixed to the gear box on one side close to the pivot arm assembly. The angle plate is provided with a plurality of insertion holes along the rotation direction of the rotating shaft. The angle limit pin is detachably arranged in the insertion hole and abuts against the pivot arm assembly to limit the angle of the rotating shaft.

9. The outboard motor water test bench according to claim 1, characterized in that: A safety guardrail is arranged on the circumference of the floating platform.

10. The outboard motor water test bench according to claim 1, characterized in that: The floating platform is provided with a through hole for the column to pass through, and a sliding guide mechanism is provided in the through hole. The sliding guide mechanism includes a plurality of roller assemblies arranged along the circumference of the through hole.

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