CN113418707A - Double-mode test bed for vertical shaft outboard machine - Google Patents
Double-mode test bed for vertical shaft outboard machine Download PDFInfo
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- CN113418707A CN113418707A CN202110681397.5A CN202110681397A CN113418707A CN 113418707 A CN113418707 A CN 113418707A CN 202110681397 A CN202110681397 A CN 202110681397A CN 113418707 A CN113418707 A CN 113418707A
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- outboard engine
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000011056 performance test Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides a dual-mode test bench for a vertical shaft outboard engine, which can be used for carrying out test on the vertical shaft outboard engine by using an electric dynamometer and simulating the actual underwater working state of the outboard engine by mounting a propeller. A dual-mode test bench for a vertical shaft outboard engine comprises a water tank, an outboard engine posture adjusting mechanism, an outboard engine power output device fastening mechanism, a water retaining mechanism, an elastic coupling and an electric dynamometer. The test bench can realize bench tests of two states of the vertical shaft outboard engine, wherein the first mode is a dynamometer mode, the power output device of the vertical shaft outboard engine is connected with the electric dynamometer through the elastic coupling, and the test bench tests the outboard engine through the electric dynamometer; the second mode is a propeller mode, a propeller is installed on the outboard engine power output device, and the outboard engine is simulated to carry out test testing in an underwater actual working state.
Description
Technical Field
The invention belongs to the technical field of test of internal combustion engines, and particularly relates to a dual-mode test bed for a vertical shaft outboard engine.
Background
The engine performance test needs to be carried out on a test bench, a scientific test method is used for explaining the change rule in the engine, and ways for improving various performances such as dynamic property, economy, reliability, durability and operation performance are found out.
Different from the traditional transverse shaft engine, the crankshaft of the vertical shaft outboard engine is vertically arranged, and is converted into transverse shaft output power through a power output device arranged under the outboard engine, so that the fixing mode of the vertical shaft outboard engine is greatly different from that of the traditional engine. In addition, the cooling mode of the vertical shaft outboard engine is direct-current cooling, a cooling water pump is arranged under the outboard engine, and a power output device of the vertical shaft outboard engine needs to be immersed in water for cooling, so that a water tank is needed for supplying cooling water to the outboard engine.
The existing outboard engine test bench has different defects, and some outboard engines are of a dry shaft type, namely no water tank is used for providing cooling water, so that the real working environment of the outboard engine cannot be simulated; some have water tanks but the output shaft is too long and the design of the water sealing mechanism is not reasonable, resulting in too large power loss; some test devices can only carry out output shaft work test, cannot be provided with propellers for test, and cannot carry out complete performance test. Therefore, it is necessary to develop a novel test bench for a vertical shaft outboard engine, which can make up for the above defects and perform a complete test on the vertical shaft outboard engine.
Disclosure of Invention
In view of the above, the invention aims to provide a dual-mode test bed for a vertical shaft outboard engine, which can be used for performing performance test on the vertical shaft outboard engine by using an electric dynamometer, can be detached from the electric dynamometer, and can simulate the actual underwater use working condition of the vertical shaft outboard engine by mounting a propeller so as to meet the requirement of performing complete performance test on the vertical shaft outboard engine.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a dual-mode test bench for a vertical shaft outboard engine comprises a water tank, an outboard engine posture adjusting mechanism, an outboard engine power output device fastening mechanism, a water retaining mechanism, an elastic coupling and an electric dynamometer;
the outboard engine posture adjusting mechanism comprises a support guide rail, a hanging plate support and an outboard engine hanging plate; the two bracket guide rails are respectively fixed on the left side and the right side of the water tank, and the positions of the bracket guide rails can be adjusted along the X-axis direction; the two hanging plate supports are respectively fixed on the two support guide rails, and fine adjustment of the positions of the hanging plate supports can be realized along the X axis; two ends of the outboard engine hanging plate are respectively fixed on the two hanging plate brackets, and the outboard engine hanging plate can rotate around the Y axis to adjust the angle of the outboard engine hanging plate;
the outboard motor power output device fastening mechanism comprises a fastening bracket guide rail, a fastening bracket, an adjusting plate, a fastening rod and fastening rubber; the two fastening bracket guide rails are respectively fixed at the left side and the right side in the water tank, the two fastening brackets are respectively fixed on the two fastening bracket guide rails, and the position of each fastening bracket can be adjusted along the X direction; the two adjusting plates are respectively fixed on the two fastening brackets, and the positions of the adjusting plates can be adjusted along the Z direction; one end of each of the two fastening rods is in threaded connection with the adjusting plate, and the position of each fastening rod can be adjusted along the Y direction; the two fastening rubbers are respectively connected with the other end of the fastening rod, and the other sides of the two fastening rubbers are cambered surfaces and are tightly attached to the outboard engine power output device;
the water tank is provided with a water inlet and a water outlet, and the water retaining mechanism is arranged in the water tank and is used for dividing the water tank into a front cabin and a rear cabin;
the output shaft of the outboard engine to be tested is connected with the electric dynamometer through the elastic coupling.
Further, the water retaining mechanism comprises a water retaining plate, a water retaining disc and a water retaining shell; the water baffle is vertically inserted in a slot of the water tank, and a waterproof rubber strip is arranged in the slot of the water tank; the middle part of the water baffle is provided with a hole for the output shaft to pass through; the water retaining disc is fixed with the output shaft; the water retaining shell is fixed with the water retaining plate.
Compared with the prior art, the invention has the following advantages:
(1) compared with the conventional outboard engine test bed which can only carry out one test mode, the novel test bed for the vertical shaft outboard engine can carry out test tests of two modes, can utilize the electric dynamometer to carry out performance test on the vertical shaft outboard engine, can be separated from the electric dynamometer, and can simulate the actual underwater use working condition of the vertical shaft outboard engine by mounting the propeller so as to meet the requirement of carrying out complete performance test on the vertical shaft outboard engine.
(2) The rack is reasonable in structural design, simple and easy to realize, and easy to popularize and use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic top view of a dynamometer mode of a dual-mode test bed for a vertical axis outboard machine according to an embodiment of the present invention.
FIG. 2 is a schematic side view of a propeller pattern of a dual mode test rig for a vertical axis outboard machine according to an embodiment of the present invention.
FIG. 3 is a schematic side view of a dynamometer mode of a dual mode test rig for a vertical axis outboard machine according to an embodiment of the present invention.
Fig. 4 is a sectional view of the water retaining mechanism according to the embodiment of the present invention.
Description of reference numerals:
1-water tank, 2-outboard engine attitude adjusting mechanism, 3-outboard engine power output device fastening mechanism, 4-water retaining mechanism, 5-elastic coupling, 6-electric dynamometer, 11-water tank shell, 12-A water outlet, 13-B water outlet, 14-water inlet, 21-bracket guide rail, 22-hanging plate bracket, 23-outboard engine hanging plate, 31-fastening bracket guide rail, 32-fastening bracket, 33-adjusting plate, 34-fastening rod, 35-fastening rubber, 41-water retaining plate, 42-water retaining disc and 43-water retaining shell.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A dual-mode test bed for a vertical shaft outboard engine is shown in figures 1 to 4 and comprises a water tank 1, an outboard engine posture adjusting mechanism 2, an outboard engine power output device fastening mechanism 3, a water retaining mechanism 4, an elastic coupling 5 and an electric dynamometer 6;
the outboard engine posture adjusting mechanism 2 is used for moving the outboard engine X, Y, Z in the direction and rotating around the Y axis; comprises a bracket guide rail 21, a hanging plate bracket 22 and an outboard motor hanging plate 23; the two bracket guide rails 21 are respectively fixed on the left side and the right side of the water tank 1 through bolts, and the positions of the bracket guide rails 21 can be adjusted along the X-axis direction; the two hanging plate brackets 22 are respectively fastened on the two bracket guide rails 21 through foundation bolts and nuts, and the hanging plate brackets 22 can realize fine adjustment of the position along the X axis; two ends of the outboard engine hanging plate 23 are respectively fixed on the two hanging plate brackets 22 through bolts and locking nuts, and the outboard engine hanging plate 23 can rotate around a Y axis to adjust the angle of the outboard engine hanging plate 23;
the fastening mechanism 3 of the outboard engine power output device is used for adjusting X, Y, Z three directions of the outboard engine power output shaft, and specifically comprises a fastening bracket guide rail 31, a fastening bracket 32, an adjusting plate 33, a fastening rod 34 and fastening rubber 35;
the two fastening bracket guide rails 31 are respectively fixed on the left side and the right side in the water tank 1, the two fastening brackets 32 are respectively fixed on the two fastening bracket guide rails 31 arranged on the left side and the right side through anchor bolts and nuts, and the positions of the fastening brackets 32 can be adjusted along the X direction; the two adjusting plates 33 are respectively fixed on the two fastening brackets 32 through bolts and nuts, and the positions of the adjusting plates 33 can be adjusted along the Z direction; one end of each of the two fastening rods 34 is provided with a thread, the two fastening rods are connected with the adjusting plate 33 through the threads and are locked through nuts, and the position of each fastening rod 34 can be adjusted along the Y direction; the two fastening rubbers 35 are respectively connected with the other end of the fastening rod 34 through screws, and the other sides of the two fastening rubbers 35 are cambered surfaces and are tightly attached to the outboard engine power output device;
the water retaining mechanism 4 is used for dividing the water tank 1 into a front cabin and a rear cabin and comprises a water retaining plate 41, a water retaining disc 42 and a water retaining shell 43; the water baffle 41 is vertically arranged in a slot of the water tank 1, and a waterproof rubber strip is arranged in the slot of the water tank 1; the middle part of the water baffle plate 41 is provided with a hole for the output shaft to pass through; the water retaining disc 42 is fixed with the output shaft through a screw; the water baffle shell 43 is fixed with the water baffle plate 41 through screws; wherein, the connection mode of water retaining mechanism 4 and water tank 1 is for pegging graft, easy to assemble and dismantlement.
The tank housing 11 of the water tank 1 is rectangular, and is provided with a water inlet 14 and two water outlets, namely an A water outlet 12 and a B water outlet 13.
The invention can realize two test modes, the first one is shown in figure 1, and is in a dynamometer mode, and comprises a water tank 1, an outboard engine posture adjusting mechanism 2, an outboard engine power output device fastening mechanism 3, a water retaining mechanism 4, an elastic coupling 5 and an electric dynamometer 6, wherein an outboard engine output shaft is connected with the electric dynamometer 6 through the elastic coupling 5, and the outboard engine is subjected to test through the electric dynamometer 6; the second mode is a propeller mode as shown in fig. 2, and comprises a water tank 1, an outboard engine attitude adjusting mechanism 2 and an outboard engine power output device fastening mechanism 3, wherein a propeller is mounted on an outboard engine output shaft, and the test is carried out by simulating the actual underwater working state of the outboard engine.
When the electric dynamometer 6 is used for test, the water tank is divided into two cabins by the water retaining mechanism 4, the water level of the cabin where the outboard engine is located is higher than that of the cabin where the water retaining shell 43 is located, and the water outlet A12 and the water outlet B13 are used together; when the propeller is used for test, the water retaining mechanism 4 is not arranged, the water tank 1 only has one cabin, and only the A water outlet 12 is used.
The outboard engine attitude adjusting mechanism 2 can be used for realizing the movement of the outboard engine X, Y, Z in the direction and the rotation around the Y axis, and the fastening mechanism 3 of the outboard engine power output device can be used for adjusting X, Y, Z in three directions, so that the outboard engine attitude adjusting mechanism can be used for carrying out test tests on the outboard engines of different types.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. The utility model provides a vertical axis outboard engine is with double mode test bench, its characterized in that: the outboard engine power output device comprises a water tank (1), an outboard engine posture adjusting mechanism (2), an outboard engine power output device fastening mechanism (3), a water retaining mechanism (4), an elastic coupling (5) and an electric dynamometer (6);
the outboard engine posture adjusting mechanism (2) comprises a support guide rail (21), a hanging plate support (22) and an outboard engine hanging plate (23); the two bracket guide rails (21) are respectively fixed on the left side and the right side of the water tank (1), and the positions of the bracket guide rails (21) can be adjusted along the X-axis direction; the two hanging plate supports (22) are respectively fixed on the two support guide rails (21), and the hanging plate supports (22) can realize fine adjustment of position along an X axis; two ends of the outboard engine hanging plate (23) are respectively fixed on the two hanging plate brackets (22), and the outboard engine hanging plate (23) can rotate around a Y axis to adjust the angle of the outboard engine hanging plate (23);
the outboard power output device fastening mechanism (3) comprises a fastening bracket guide rail (31), a fastening bracket (32), an adjusting plate (33), a fastening rod (34) and fastening rubber (35); the two fastening support guide rails (31) are respectively fixed on the left side and the right side in the water tank (1), the two fastening supports (32) are respectively fixed on the two fastening support guide rails (31), and the positions of the fastening supports (32) can be adjusted along the X direction; the two adjusting plates (33) are respectively fixed on the two fastening brackets (32), and the positions of the adjusting plates (33) can be adjusted along the Z direction; one ends of the two fastening rods (34) are in threaded connection with the adjusting plate (33), and the positions of the fastening rods (34) can be adjusted along the Y direction; the two fastening rubbers (35) are respectively connected with the other end of the fastening rod (34), and the other sides of the two fastening rubbers (35) are cambered surfaces and are tightly attached to the outboard engine power output device;
the water tank (1) is provided with a water inlet (14) and a water outlet, and the water retaining mechanism (4) is arranged in the water tank (1) and is used for dividing the water tank (1) into a front cabin and a rear cabin;
the output shaft of the outboard engine to be tested is connected with the electric dynamometer (6) through the elastic coupling (5).
2. The dual-mode test bed for a vertical axis outboard machine according to claim 1, wherein: the water retaining mechanism (4) comprises a water retaining plate (41), a water retaining disc (42) and a water retaining shell (43); the water baffle (41) is vertically inserted into a slot of the water tank (1), and a waterproof rubber strip is arranged in the slot of the water tank (1); the middle part of the water baffle (41) is provided with a hole for the output shaft to pass through; the water retaining disc (42) is fixed with the output shaft; the water baffle shell (43) is fixed with the water baffle (41).
3. The dual-mode test bed for a vertical axis outboard machine according to claim 1, wherein: the test bench has two test modes, one is a dynamometer mode, the water blocking mechanism (4) is arranged, the output shaft of the outboard engine to be tested is connected with the electric dynamometer (6) through the elastic coupling (5), and the outboard engine is tested through the electric dynamometer (6); the other mode is a propeller mode, a water retaining mechanism (4) is not arranged, and a propeller is arranged on an outboard engine output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110681397.5A CN113418707A (en) | 2021-06-18 | 2021-06-18 | Double-mode test bed for vertical shaft outboard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110681397.5A CN113418707A (en) | 2021-06-18 | 2021-06-18 | Double-mode test bed for vertical shaft outboard machine |
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| Publication Number | Publication Date |
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| CN113418707A true CN113418707A (en) | 2021-09-21 |
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| CN202110681397.5A Pending CN113418707A (en) | 2021-06-18 | 2021-06-18 | Double-mode test bed for vertical shaft outboard machine |
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Citations (10)
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-
2021
- 2021-06-18 CN CN202110681397.5A patent/CN113418707A/en active Pending
Patent Citations (10)
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|---|---|---|---|---|
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Application publication date: 20210921 |
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