Multi-ship model experiment three-measurement bridge platform for towing tank trailer

Abstract

A towing tank trailer multi-ship model experiment three-measuring-bridge platform disclosed by the present invention comprises a trailer, a central measuring bridge and two auxiliary measuring bridges arranged between two bearing columns, vertical mechanisms are arranged at the two ends of the central measuring bridge, transverse mechanisms are arranged at the two ends of the auxiliary measuring bridges, the vertical mechanisms are arranged in the middle of the bearing columns, and the transverse mechanisms are arranged in the middle of the bearing columns. The transverse mechanism is arranged at the end of the bearing column, ship models are arranged below the central measuring bridge and the auxiliary measuring bridge, the auxiliary measuring bridge is provided with a longitudinal mechanism, and the longitudinal mechanism drives the ship models to move along the auxiliary measuring bridge. According to the towing tank trailer multi-ship-model experiment three-measuring-bridge platform, through cooperation of the central measuring bridge and the two auxiliary measuring bridges, linkage of the three measuring bridges is achieved, the two auxiliary measuring bridges drag ship models to move transversely and longitudinally, transverse and longitudinal close-distance sailing hydrodynamic interference is carried out on the two auxiliary measuring bridges and the ship model dragged by the central measuring bridge, and the ship models are dragged by the two auxiliary measuring bridges. Water surface and underwater multi-target ship model hydrodynamic interference measurement tests such as two-ship tracking and unmanned aircraft launching and recovery are supported.

Description

Technical Field

[0001] The invention relates to a measurement technology, in particular to a towing tank trailer multi-ship model experiment three-measurement bridge platform. Background Art

[0002] The ship model test platform is usually connected to the model by a rapier. One end of the rapier is connected to the model, and the other end is connected to the sensor. The sensor is fixed on the central measuring bridge. According to the translation of the central measuring bridge, the various hydrodynamic data of the model when moving are converted.

[0003] In order to carry out hydrodynamic interference measurement tests of multiple ship models in close proximity in the horizontal and longitudinal directions, the existing trailers generally have an auxiliary measuring bridge designed on the left and right sides of the original central measuring bridge to clamp the auxiliary ship model.

[0004] Before the test, the test personnel pre-adjusted and fixed the position of the auxiliary measuring bridge and the position of the auxiliary ship model on the auxiliary measuring bridge. That is, the auxiliary ship model could not be adjusted laterally and longitudinally during the test, and could not support surface / underwater multi-target ship model hydrodynamic interference measurement tests such as overtaking of two ships and deployment and recovery of unmanned vehicles. Summary of the invention

[0005] In order to solve the defects of the above-mentioned prior art, the present invention provides a three-measurement bridge platform for a towing tank trailer multi-ship model experiment. The three measurement bridges are linked, and two auxiliary measurement bridges tow the ship model for lateral and longitudinal movement, and perform lateral and longitudinal close-range navigation hydrodynamic interference with the ship model towed by the central measurement bridge, as well as two-ship overtaking experiments.

[0006] To achieve the above technical objectives, the present invention adopts the following technical solutions: a towing pool trailer multi-ship model experiment three-measurement bridge platform, including a trailer, the trailer including two horizontally arranged bearing columns, a fixed column is provided between the two bearing columns, the fixed column is fixed to the two ends of the bearing columns, a central measuring bridge and two auxiliary measuring bridges are provided between the two bearing columns, vertical mechanisms are provided at both ends of the central measuring bridge, the vertical mechanisms are used to lift the central measuring bridge, transverse mechanisms are provided at both ends of the auxiliary measuring bridges, the transverse mechanisms are used to move the auxiliary measuring bridges, the vertical mechanism is arranged in the middle of the bearing column, the transverse mechanism is arranged at the end of the bearing column, ship models are provided under the central measuring bridge and the auxiliary measuring bridge, the auxiliary measuring bridge is provided with a longitudinal mechanism, and the longitudinal mechanism drives the ship model to move along the auxiliary measuring bridge.

[0007] Preferably, the vertical mechanism includes a vertical bracket fixed to a supporting column, vertical guide rails are vertically arranged on both sides of the vertical bracket, a vertical screw is provided in the middle of the vertical bracket, the vertical screw is driven to rotate by a vertical motor, the vertical motor is fixed to the vertical bracket, a vertical sliding seat is threadedly engaged on the vertical screw, the vertical sliding seat is fixed to the end of the central measuring bridge, and vertical sliders that slide with the vertical guide rails are provided on both sides of the end of the central measuring bridge.

[0008] Preferably, the transverse mechanism includes a transverse bracket fixed to the supporting column, transverse guide rails are horizontally provided on the top and bottom of the transverse bracket, a transverse screw is provided in the middle of the transverse bracket, the transverse screw is driven to rotate by a transverse motor, the transverse motor is fixed to the transverse bracket, a transverse sliding seat is threadedly fitted on the transverse screw, the transverse sliding seat is fixed to the end of the auxiliary measuring bridge, the top and bottom of the end of the auxiliary measuring bridge are provided with transverse sliders that slide with the transverse guide rails, and a displacement sensor is provided on the transverse bracket, and the displacement sensor detects the position of the transverse sliding seat.

[0009] Preferably, longitudinal guide rails are provided on both sides of the auxiliary measuring bridge and both sides of the central measuring bridge, and longitudinal sliders are slidably fitted on the longitudinal guide rails. A fixed bracket is fixed on the top of the longitudinal slider, and a clamp is provided at the bottom of the fixed bracket, and the clamp clamps the ship model.

[0010] Preferably, the fixed bracket includes a central bracket and an auxiliary bracket, the central bracket is arranged on the central measuring bridge, the auxiliary bracket is arranged on the auxiliary measuring bridge, the central bracket is provided with a fastening hole, the fastening hole is threaded with a fastening bolt, and the bottom of the fastening bolt abuts against the central bracket.

[0011] Preferably, the longitudinal mechanism comprises a rack fixed to the top of the auxiliary measuring bridge, the rack is meshed with a gear, the gear is sleeved on the output shaft of the longitudinal motor, and the longitudinal motor is fixed to the auxiliary bracket.

[0012] Preferably, both ends of the bearing column are provided with a moving assembly, and the moving assembly includes a moving motor and a moving wheel. The moving motor is fixed to the bearing column, and the moving motor drives the moving wheel to rotate.

[0013] In summary, the present invention has achieved the following technical effects:

[0014] The towing tank trailer multi-ship model experiment three-measurement bridge platform of the present invention realizes the linkage of the three-measurement bridges through the cooperation of the central measuring bridge and the two auxiliary measuring bridges. The two auxiliary measuring bridges tow the ship model for lateral and longitudinal movement, and perform lateral and longitudinal close-range navigation hydrodynamic interference with the ship model towed by the central measuring bridge, so as to support surface and underwater multi-target ship model hydrodynamic interference measurement tests such as two-ship overtaking, unmanned vehicle deployment and recovery, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the towing tank trailer multi-ship model experiment three-measurement bridge platform of the present invention;

[0016] Figure 2 yes Figure 1 A magnified view of part A;

[0017] Figure 3 It is a structural schematic diagram of the auxiliary measuring bridge of the three-measuring bridge platform for the towing tank trailer multi-ship model experiment of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the transverse mechanism of the towing tank trailer multi-ship model experiment three-measurement bridge platform of the present invention;

[0019] Explanation of the reference numerals in the specification: 1. trailer; 2. central measuring bridge; 3. auxiliary measuring bridge; 4. ship model; 5. transverse bracket; 6. vertical bracket; 7. vertical motor; 8. vertical screw; 9. vertical guide rail; 10. longitudinal guide rail; 11. central bracket; 12. transverse guide rail; 13. transverse screw; 14. transverse motor; 15. moving assembly; 16. rack; 17. auxiliary bracket; 18. longitudinal motor; 19. clamp; 20. transverse sliding seat; 21. displacement sensor. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0021] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] Embodiment 1:

[0027] like Figure 1 As shown in Figure 3, a towing pool trailer 1 with multiple ship models 4 experimental three-bridge platform comprises a trailer 1, wherein the trailer 1 comprises two horizontally arranged bearing columns, a fixed column is provided between the two bearing columns, the fixed column is fixed to both ends of the bearing columns, a central bridge 2 and two auxiliary bridges 3 are provided between the two bearing columns, vertical mechanisms are provided at both ends of the central bridge 2, the vertical mechanisms are used to lift the central bridge 2, transverse mechanisms are provided at both ends of the auxiliary bridges 3, the transverse mechanisms are used to move the auxiliary bridges 3, the vertical mechanisms are arranged in the middle of the bearing columns, the transverse mechanisms are arranged at the ends of the bearing columns, ship models 4 are provided below the central bridge 2 and the auxiliary bridges 3, the auxiliary bridges 3 are provided with longitudinal mechanisms, and the longitudinal mechanisms drive the ship models 4 to move along the auxiliary bridges 3.

[0028] The towing tank trailer 1 of this embodiment is a three-bridge platform for the experiment of multiple ship models 4. The three-bridge linkage is realized through the cooperation of the central bridge 2 and the two auxiliary bridges 3. The two auxiliary bridges 3 tow the ship model 4 to move horizontally and vertically, and perform horizontal and vertical short-range navigation hydrodynamic interference with the ship model 4 towed by the central bridge 2, so as to support the hydrodynamic interference measurement test of multiple target ship models 4 on the surface and underwater, such as overtaking by two ships and deployment and recovery of unmanned aerial vehicles.

[0029] The vertical mechanism includes a vertical bracket 6 fixed to a bearing column, vertical guide rails 9 are vertically arranged on both sides of the vertical bracket 6, a vertical screw rod 8 is arranged in the middle of the vertical bracket 6, the vertical screw rod 8 is driven to rotate by a vertical motor 7, the vertical motor 7 is fixed to the vertical bracket 6, a vertical sliding seat is threadedly fitted on the vertical screw rod 8, the vertical sliding seat is fixed to the end of the central measuring bridge 2, and vertical sliders slidably fitted with the vertical guide rails 9 are arranged on both sides of the end of the central measuring bridge 2.

[0030] like Figure 4 As shown, the transverse mechanism includes a transverse bracket 5 fixed to the bearing column, and transverse guide rails 12 are horizontally provided on the top and bottom of the transverse bracket 5. A transverse screw rod 13 is provided in the middle of the transverse bracket 5, and the transverse screw rod 13 is driven to rotate by a transverse motor 14. The transverse motor 14 is fixed to the transverse bracket 5. A transverse sliding seat 20 is threadedly matched on the transverse screw rod 13, and the transverse sliding seat 20 is fixed to the end of the auxiliary measuring bridge 3. The top and bottom of the end of the auxiliary measuring bridge 3 are provided with a transverse slider that slides with the transverse guide rail 12. A displacement sensor 21 is provided on the transverse bracket 5, and the displacement sensor 21 detects the position of the transverse sliding seat 20; wherein an induction head is provided in the middle of the transverse sliding seat 20 to cooperate with the displacement sensor 21.

[0031] Longitudinal guide rails 10 are provided on both sides of the auxiliary measuring bridge 3 and both sides of the central measuring bridge 2, and a longitudinal slider is slidably fitted on the longitudinal guide rails 10. A fixed bracket is fixed on the top of the longitudinal slider, and a clamping claw 19 is provided at the bottom of the fixed bracket. The clamping claw 19 clamps the ship model 4; a navigation rod is provided at the head of the ship model 4 under the auxiliary measuring bridge 3, and the top of the navigation rod is connected to the auxiliary bracket 17.

[0032] The fixed bracket includes a central bracket 11 and an auxiliary bracket 17. The central bracket 11 is arranged on the central measuring bridge 2, and the auxiliary bracket 17 is arranged on the auxiliary measuring bridge 3. The central bracket 11 is provided with a fastening hole, and the fastening hole is threaded with a fastening bolt, and the bottom of the fastening bolt abuts against the central bracket 11.

[0033] The longitudinal mechanism includes a rack 16 fixed to the top of the auxiliary measuring bridge 3 , the rack 16 is meshed with a gear, the gear is sleeved on the output shaft of a longitudinal motor 18 , and the longitudinal motor 18 is fixed to an auxiliary bracket 17 .

[0034] Both ends of the bearing column are provided with a moving assembly 15 , and the moving assembly 15 includes a moving motor and a moving wheel. The moving motor is fixed to the bearing column, and the moving motor drives the moving wheel to rotate.

[0035] An auxiliary measuring bridge 3 is designed on the left and right sides of the central measuring bridge 2. The two auxiliary measuring bridges 3 can respectively tow the ship model 4 for transverse navigation through the transverse mechanism and tow the ship model 4 for longitudinal navigation through the longitudinal mechanism. From then on, the three measuring bridges on the trailer 1 can cooperate with each other to conduct experiments, breaking the limitation of conducting experiments with a single measuring bridge.

[0036] A central measuring bridge 2 is installed in the lateral middle position of the trailer 1 body, and an auxiliary measuring bridge 3 is designed on the lateral left and right sides of the central measuring bridge 2. The auxiliary measuring bridge 3 has the characteristics of lateral movement and longitudinal movement, and can be used for multiple ship models 4 experiments; the lateral and longitudinal movements of the auxiliary measuring bridge 3 not only have independent movement, but also can achieve linkage. The auxiliary measuring bridge 3 is connected to the ship model 4 through the clamp 19, the navigation rod and the ship model 4, which can force the ship model 4 to move laterally and longitudinally at a certain speed to approach the ship model 4 connected to the central measuring bridge 2, so as to realize experiments such as overtaking, approaching, and interfering with the ship model 4.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A towing tank trailer multi-ship model experiment three-bridge platform, characterized in that: The invention comprises a trailer, which comprises two horizontally arranged bearing columns, a fixed column is arranged between the two bearing columns, the fixed column is fixed to both ends of the bearing columns, a central measuring bridge and two auxiliary measuring bridges are arranged between the two bearing columns, vertical mechanisms are arranged at both ends of the central measuring bridge, the vertical mechanisms are used to lift the central measuring bridge, transverse mechanisms are arranged at both ends of the auxiliary measuring bridges, the transverse mechanisms are used to move the auxiliary measuring bridges, the vertical mechanism is arranged in the middle of the bearing columns, the transverse mechanism is arranged at the ends of the bearing columns, ship models are arranged under the central measuring bridge and the auxiliary measuring bridges, the auxiliary measuring bridges are provided with longitudinal mechanisms, and the longitudinal mechanisms drive the ship models to move along the auxiliary measuring bridges.

2. The towing tank trailer multi-ship model experiment three-bridge platform according to claim 1 is characterized in that: The vertical mechanism includes a vertical bracket fixed to a bearing column, vertical guide rails are vertically arranged on both sides of the vertical bracket, a vertical screw rod is provided in the middle of the vertical bracket, the vertical screw rod is driven to rotate by a vertical motor, the vertical motor is fixed to the vertical bracket, a vertical sliding seat is threadedly fitted on the vertical screw rod, the vertical sliding seat is fixed to the end of the central measuring bridge, and vertical sliders that slide with the vertical guide rails are provided on both sides of the end of the central measuring bridge.

3. The towing tank trailer multi-ship model experiment three-bridge platform according to claim 1 is characterized in that: The transverse mechanism includes a transverse bracket fixed to the supporting column, transverse guide rails are horizontally provided on the top and bottom of the transverse bracket, a transverse screw rod is provided in the middle of the transverse bracket, the transverse screw rod is driven to rotate by a transverse motor, the transverse motor is fixed to the transverse bracket, a transverse sliding seat is threadedly fitted on the transverse screw rod, the transverse sliding seat is fixed to the end of the auxiliary measuring bridge, the top and bottom of the end of the auxiliary measuring bridge are provided with transverse sliders that slide with the transverse guide rails, and a displacement sensor is provided on the transverse bracket, and the displacement sensor detects the position of the transverse sliding seat.

4. The towing tank trailer multi-ship model experiment three-bridge platform according to claim 1 is characterized in that: Both sides of the auxiliary measuring bridge and the central measuring bridge are provided with longitudinal guide rails, and longitudinal sliders are slidably matched on the longitudinal guide rails. A fixed bracket is fixed on the top of the longitudinal slider, and a clamping claw is provided at the bottom of the fixed bracket, and the clamping claw clamps the ship model.

5. The towing tank trailer multi-ship model experiment three-bridge platform according to claim 4 is characterized in that: The fixed bracket includes a central bracket and an auxiliary bracket. The central bracket is arranged on the central measuring bridge, and the auxiliary bracket is arranged on the auxiliary measuring bridge. The central bracket is provided with a fastening hole, and the fastening hole is threadedly matched with a fastening bolt, and the bottom of the fastening bolt abuts against the central bracket.

6. The towing tank trailer multi-ship model experiment three-bridge platform according to claim 5 is characterized in that: The longitudinal mechanism comprises a rack fixed to the top of the auxiliary measuring bridge, the rack is meshed with a gear, the gear is sleeved on the output shaft of the longitudinal motor, and the longitudinal motor is fixed to the auxiliary bracket.

7. The towing tank trailer multi-ship model experiment three-bridge platform according to claim 1 is characterized in that: Both ends of the bearing column are provided with moving components, and the moving components include a moving motor and a moving wheel. The moving motor is fixed to the bearing column, and the moving motor drives the moving wheel to rotate.

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