CN109459209B - Trailer device for test pool - Google Patents
Trailer device for test pool Download PDFInfo
- Publication number
- CN109459209B CN109459209B CN201811607384.8A CN201811607384A CN109459209B CN 109459209 B CN109459209 B CN 109459209B CN 201811607384 A CN201811607384 A CN 201811607384A CN 109459209 B CN109459209 B CN 109459209B
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- vehicle
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- main vehicle
- trailer
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- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention belongs to the technical field of ocean engineering tests, and relates to a trailer device for a test pool. The four-degree-of-freedom working bridge in the trailer device adopts the full truss structure, so that the phenomenon that the wind speeds are unequal and a vortex area is formed due to overlarge frontal resistance of the structure to a wind field is avoided, the accuracy of a measurement result is improved, meanwhile, the wind resistance is reduced, the test energy consumption is reduced, and the test cost is reduced. The trailer device adopts a safety protection system, so that the cost is reduced, and the safety and the reliability of the trailer device are ensured. The invention has the main characteristics of simple structure, easy installation, convenient operation, safety and reliability, and can improve the accuracy of the measurement result and save the cost.
Description
Technical Field
The invention relates to a trailer device for a test pool, and belongs to the technical field of ocean engineering tests.
Background
In ocean development, structures such as ships and ocean platforms must withstand the test of severe environments, including the comprehensive effects of wind, waves, currents and other complex environmental factors, the ocean environments are complex and changeable, and the related engineering experience is deficient, so that the research of the ships and ocean engineering needs to rely on model tests, the physical model tests are the basis for carrying out the construction of the ships and the ocean engineering, obviously, no test pool is available, no effective physical model test can be carried out, the construction and development of the ships and the ocean engineering in China are not from talking, and the construction of the test pool is required to be equipped with a certain environmental simulation device besides the construction of a pool with a certain scale, wherein a trailer device is one of important equipment.
Along with the development of social economy and the progress of scientific technology, the requirements on the individuation of the trailer device are more and more strong, for example, a certain ship and a marine engineering test pool have the following characteristics: (1) The integral wind making system-wind tunnel is arranged above the water pool, the space height of the test area is narrow (lower than 5 m), and the requirements on the height of the trailer are severe; (2) If a conventional box girder structure and a box Liang Jia truss mixed structure are adopted, the upper and lower wind speeds are unequal and a vortex area is formed due to overlarge frontal resistance of the structure to a wind field, so that the accuracy of a measurement result is seriously affected, and meanwhile, the test energy consumption is greatly improved due to larger wind resistance, and the cost is increased; (3) The span is large (30-50 m), and the trailer must ensure certain rigidity; (4) The trailer speed is low, the highest speed is 2-3m/s, and the lowest speed is 0.05m/s. It is therefore important if the trailer is designed to be able to accommodate the particular environmental requirements.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the trailer device for the test pool, and the four-degree-of-freedom working bridge in the trailer device adopts a full truss structure, so that the phenomenon that the wind speed is unequal and a vortex area is formed due to overlarge frontal resistance of the structure to a wind field is avoided, the accuracy of a measurement result is further improved, meanwhile, the wind resistance is reduced, the test energy consumption is reduced, and the test cost is reduced.
In order to achieve the aim of the invention and solve the problems existing in the prior art, the invention adopts the following technical scheme: the trailer device comprises a four-degree-of-freedom working bridge, a main vehicle track, an auxiliary vehicle track and a safety protection system, wherein the four-degree-of-freedom working bridge comprises a main vehicle and an auxiliary vehicle, a control system and a measurement system are arranged on the main vehicle, a first corner mechanism, a second corner mechanism, a third corner mechanism and a fourth corner mechanism are arranged at four corner points of the main vehicle and used for displaying the angle, the angular speed and the working current of a turntable in the corner mechanisms in real time, and a first wheel, a second wheel, a third wheel and a fourth wheel are also arranged around the main vehicle; the auxiliary vehicle is positioned at the lower part of the main vehicle and is provided with a test instrument, an optical measuring device and a video shooting device, and the bottom of the auxiliary vehicle is provided with a rotating device which is used for rotating the experimental model by 0-360 degrees and fixing the experimental model to realize accurate positioning; 2 telescopic columns are respectively arranged at the 4 corners of the auxiliary vehicle track and are fixedly connected with the auxiliary vehicle track through welding, so that good stability of the auxiliary vehicle when moving along the direction vertical to the water surface is ensured, and the balance maintaining effect is achieved; the safety protection system comprises early warning and power-off travel switches, a collision hydraulic buffer device and two sets of hydraulic rail-holding emergency brakes, wherein the early warning and power-off travel switches and the collision hydraulic buffer device are arranged at the head end and the tail end of a main vehicle rail and an auxiliary vehicle rail, the main vehicle and the auxiliary vehicle are braked by the hydraulic rail-holding emergency brakes in a normally closed mode, and the rail-holding mode is a skid-removing braking mode when the hydraulic rail-holding emergency brakes are powered off; the trailer device also comprises a simulated electric cabinet, a simulated control cabinet and a pantograph, wherein the simulated electric cabinet, the simulated control cabinet and the pantograph are arranged at two ends of the four-degree-of-freedom working bridge, the first, second, third, fourth, fifth and sixth steel ladders and the first, second, third and fourth wheel seats are arranged, the simulated electric cabinet provides power supply for equipment, the starting of a motor is controlled, the simulated control cabinet is provided with a switch device, a measuring instrument, a protection appliance and auxiliary equipment, the pantograph is used for obtaining electric power for a main vehicle and an auxiliary vehicle from cables, and when the trailer works, the motor drives the first, second, third and fourth wheels around the main vehicle to rotate, so that the main vehicle moves on a main vehicle track, and the traction effect of the trailer is achieved; the first wheel seat, the second wheel seat, the third wheel seat and the fourth wheel seat are fixedly connected with the ground through bolts and are used for improving the firmness and the stability of the trailer device.
The first, second, third, fourth, fifth and sixth steel ladders are used for overhauling and maintaining the simulated electric cabinet and the simulated control cabinet by technical staff.
The main car adopts a steel pipe space truss structure.
The auxiliary vehicle adopts a square steel pipe truss structure.
The invention has the beneficial effects that: a trailer device for a test pool comprises a four-degree-of-freedom working bridge, a main vehicle track, a subsidiary vehicle track and a safety protection system. Compared with the prior art, the four-degree-of-freedom working bridge in the trailer device adopts the full truss structure, so that the phenomenon that the upper wind speed and the lower wind speed are different and a vortex area is formed due to overlarge frontal resistance of the structure to a wind field is avoided, the accuracy of a measurement result is improved, meanwhile, the wind resistance is reduced, the test energy consumption is reduced, and the test cost is reduced. The trailer device adopts a safety protection system, so that the cost is reduced, and the safety and the reliability of the trailer device are ensured. The invention has the main characteristics of simple structure, easy installation, convenient operation, safety and reliability, and can improve the accuracy of the measurement result and save the cost.
Drawings
Fig. 1 is a schematic view of a partial structure of the present invention.
Fig. 2 is a schematic top and bottom view of the structural arrangement of the present invention.
In the figure: 1. the device comprises a main car, 1a, a main car track, 1b, a first corner mechanism, 1c, a second corner mechanism, 1d, a third corner mechanism, 1e, a fourth corner mechanism, 1f, a first wheel, 1g, a second wheel, 1h, a third wheel, 1i, a fourth wheel, 2, a subsidiary car, 2a, a subsidiary car track, 2b, a telescopic column, 3, a rotating device, 4, a drawing electric cabinet, 5, a drawing control cabinet, 6, a first steel ladder, 6a, a second steel ladder, 6b, a third steel ladder, 6c, a fourth steel ladder, 6d, a fifth steel ladder, 6e, a sixth steel ladder, 7, a first wheel seat, 7a, a second wheel seat, 7b, a third wheel seat, 7c, a fourth wheel seat, 8 and a collector bow.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a trailer device for a test pool comprises a four-degree-of-freedom working bridge, a main vehicle track 1a, a sub vehicle track 2a and a safety protection system, wherein the four-degree-of-freedom working bridge comprises a main vehicle 1 and a sub vehicle 2, a control system and a measurement system are arranged on the main vehicle 1, first, second, third and fourth corner mechanisms 1b, 1c, 1d and 1e are arranged at four corner points of the main vehicle 1 and are used for displaying the angle, the angular speed and the working current of a turntable in the corner mechanisms in real time, and first, second, third and fourth wheels 1f, 1g, 1h and 1i are also arranged around the main vehicle 1; the auxiliary vehicle 2 is positioned at the lower part of the main vehicle 1 and is provided with a test instrument, an optical measuring device and a video shooting device, and the bottom of the auxiliary vehicle 2 is provided with a rotating device 3 which is used for rotating an experimental model by 0-360 degrees and fixing the experimental model to realize accurate positioning; 2 telescopic columns 2b are respectively arranged at the 4 corners of the auxiliary vehicle track 2a and are fixedly connected with the auxiliary vehicle track 2a through welding, so that good stability is ensured when the auxiliary vehicle 2 moves along the direction vertical to the water surface, and the balance maintaining effect is further achieved; the safety protection system comprises early warning and power-off travel switches and collision hydraulic buffer devices which are arranged at the head end and the tail end of a main car track 1a and an auxiliary car track 2a, wherein two sets of hydraulic rail-holding emergency brakes are arranged on the main car 1, the main car 1 and the auxiliary car 2 are braked by adopting the hydraulic rail-holding emergency brakes, and the hydraulic rail-holding emergency brakes are of normally closed type, and are rail-holding when the hydraulic rail-holding emergency brakes are powered off, so that a skid-removing braking mode is adopted; the trailer device further comprises a to-be-manufactured electric cabinet 4, a to-be-manufactured control cabinet 5 and a collector bow 8 which are arranged at two ends of the four-degree-of-freedom working bridge, wherein the to-be-manufactured electric cabinet 4 provides a power supply for equipment, the to-be-manufactured electric cabinet controls starting of a motor, the to-be-manufactured control cabinet 5 is provided with a switch device, a measuring instrument, a protection appliance and auxiliary equipment, the collector bow 8 is used for obtaining electric power for the main vehicle 1 and the auxiliary vehicle 2 from cables, and when the trailer works, the motor drives the first, second, third and fourth wheels 1f, 1g, 1h and 1i which are positioned around the main vehicle 1 to rotate, so that the main vehicle 1 moves on the main vehicle track 1a, and the traction effect of the trailer is achieved; the first, second, third and fourth wheel seats 7, 7a, 7b and 7c are fixedly connected with the ground through bolts and are used for improving the firmness and the stability of the trailer device. The first, second, third, fourth, fifth and sixth steel ladders 6, 6a, 6b, 6c, 6d and 6e are used for overhauling and maintaining the simulated electricity cabinet 4 and the simulated control cabinet 5 by the wood technician. The main car 1 adopts a steel pipe space truss structure, and the auxiliary car 2 adopts a square steel pipe truss structure.
Claims (1)
1. A trailer device for on test pool, includes four degrees of freedom work bridge, main car track, vice car track and safety protection system, its characterized in that: the four-degree-of-freedom working bridge comprises a main vehicle and an auxiliary vehicle, wherein a control system and a measuring system are arranged on the main vehicle, first, second, third and fourth corner mechanisms are arranged at four corner points of the main vehicle and used for displaying the angle, the angular speed and the working current of a turntable in the corner mechanisms in real time, and first, second, third and fourth wheels are also arranged around the main vehicle; the auxiliary vehicle is positioned at the lower part of the main vehicle and is provided with a test instrument, an optical measuring device and a video shooting device, and the bottom of the auxiliary vehicle is provided with a rotating device which is used for rotating the experimental model by 0-360 degrees and fixing the experimental model to realize accurate positioning; 2 telescopic columns are respectively arranged at the 4 corners of the auxiliary vehicle track and are fixedly connected with the auxiliary vehicle track through welding, so that good stability of the auxiliary vehicle when moving along the direction vertical to the water surface is ensured, and the balance maintaining effect is achieved; the safety protection system comprises early warning and power-off travel switches, a collision hydraulic buffer device and two sets of hydraulic rail-holding emergency brakes, wherein the early warning and power-off travel switches and the collision hydraulic buffer device are arranged at the head end and the tail end of a main vehicle rail and an auxiliary vehicle rail, the main vehicle and the auxiliary vehicle are braked by the hydraulic rail-holding emergency brakes in a normally closed mode, and the rail-holding mode is a skid-removing braking mode when the hydraulic rail-holding emergency brakes are powered off; the trailer device also comprises a simulated electric cabinet, a simulated control cabinet and a pantograph, wherein the simulated electric cabinet, the simulated control cabinet and the pantograph are arranged at two ends of the four-degree-of-freedom working bridge, the first, second, third, fourth, fifth and sixth steel ladders and the first, second, third and fourth wheel seats are arranged, the simulated electric cabinet provides a power supply for equipment and controls the starting of a motor, the simulated control cabinet is provided with a switch device, a measuring instrument, a protection appliance and auxiliary equipment, the pantograph is used for acquiring electric power from cables for a main vehicle and an auxiliary vehicle, and when the trailer works, the motor drives the first, second, third and fourth wheels around the main vehicle to rotate, so that the main vehicle moves on a main vehicle track, and the traction effect of the trailer is achieved; the first wheel seat, the second wheel seat, the third wheel seat and the fourth wheel seat are fixedly connected with the ground through bolts and are used for improving the firmness and the stability of the trailer device; the first, second, third, fourth, fifth and sixth steel ladders are used for overhauling and maintaining the simulated electric cabinet and the simulated control cabinet by technical staff; the main car adopts a steel pipe space truss structure, and the auxiliary car adopts a square steel pipe truss structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607384.8A CN109459209B (en) | 2018-12-27 | 2018-12-27 | Trailer device for test pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607384.8A CN109459209B (en) | 2018-12-27 | 2018-12-27 | Trailer device for test pool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109459209A CN109459209A (en) | 2019-03-12 |
| CN109459209B true CN109459209B (en) | 2023-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811607384.8A Active CN109459209B (en) | 2018-12-27 | 2018-12-27 | Trailer device for test pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459209B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970421B (en) * | 2020-07-22 | 2024-04-16 | 中国石油化工股份有限公司 | Experimental device for measuring stress of underwater manifold and implementation method |
| CN113022812B (en) * | 2021-04-13 | 2022-02-15 | 中国船舶科学研究中心 | Light-duty high-speed intelligent trailer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305696A (en) * | 2011-08-02 | 2012-01-04 | 上海交通大学 | Deep sea vertical pipe array model vortex-induced vibration test device with top capable of moving in step flow |
| CN203224347U (en) * | 2013-03-05 | 2013-10-02 | 武汉理工大学 | Towing tank trailer |
| CN105035262A (en) * | 2015-05-29 | 2015-11-11 | 上海船舶运输科学研究所 | Ship seaworthiness tester |
| CN106940245A (en) * | 2017-02-22 | 2017-07-11 | 哈尔滨工程大学 | A kind of ship model experimental tank wind load analogue means |
| CN206905995U (en) * | 2017-07-05 | 2018-01-19 | 大连理工大学 | Multiple degrees of freedom floating structure logistics power experimental rig |
| KR101926078B1 (en) * | 2018-07-05 | 2018-12-06 | 한국해양과학기술원 | Transporting device for measuring flow field in towing tank and method thereof |
-
2018
- 2018-12-27 CN CN201811607384.8A patent/CN109459209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305696A (en) * | 2011-08-02 | 2012-01-04 | 上海交通大学 | Deep sea vertical pipe array model vortex-induced vibration test device with top capable of moving in step flow |
| CN203224347U (en) * | 2013-03-05 | 2013-10-02 | 武汉理工大学 | Towing tank trailer |
| CN105035262A (en) * | 2015-05-29 | 2015-11-11 | 上海船舶运输科学研究所 | Ship seaworthiness tester |
| CN106940245A (en) * | 2017-02-22 | 2017-07-11 | 哈尔滨工程大学 | A kind of ship model experimental tank wind load analogue means |
| CN206905995U (en) * | 2017-07-05 | 2018-01-19 | 大连理工大学 | Multiple degrees of freedom floating structure logistics power experimental rig |
| KR101926078B1 (en) * | 2018-07-05 | 2018-12-06 | 한국해양과학기술원 | Transporting device for measuring flow field in towing tank and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 船舶与海洋工程试验水池工艺设计;唐勇 等;舰船科学技术;第37卷(第S1期);第143-148页 * |
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| CN109459209A (en) | 2019-03-12 |
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