CN209993153U - Rope drives simulation experiment device that sways by a wide margin - Google Patents
Rope drives simulation experiment device that sways by a wide margin Download PDFInfo
- Publication number
- CN209993153U CN209993153U CN201920517871.9U CN201920517871U CN209993153U CN 209993153 U CN209993153 U CN 209993153U CN 201920517871 U CN201920517871 U CN 201920517871U CN 209993153 U CN209993153 U CN 209993153U
- Authority
- CN
- China
- Prior art keywords
- rope
- pull rope
- rack
- platform
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a rope-driven large-amplitude swinging simulation experiment device, which comprises a working platform, a pull rope, a rope driving mechanism and a frame; the working platform is suspended in the rack and connected with the pull ropes; the fixed pulleys are fixed on the rack, and the other end of each pull rope penetrates through one fixed pulley to be connected with one group of rope driving mechanisms; the rope driving mechanism is positioned on a platform at the bottom of the frame. The device simple structure, it is easy and simple to handle, the stability of experiment is strong, and the experiment precision is high, and the experimental period is short, and can realize real time control at the experimentation.
Description
Technical Field
The utility model belongs to the technical field of boats and ships and specifically relates to a rope drives simulation experiment device that sways by a wide margin.
Background
The ship is inevitably interfered by a plurality of external factors such as airflow, strong wind, big waves and the like in the process of sailing on the sea, so that the ship is inevitably subjected to large-amplitude swinging motion. This situation will affect the normal navigation of the ship and the proper operation of the delicate instruments within the ship, leading to various safety issues that may be sudden. Therefore, it is important for safety inspection of ships to cope with various sea situations that ships face when they are on the sea. Traditionally, a real-ship test method is adopted, namely, a specific ship is subjected to field sailing operation, and whether various precision instruments inside the ship can normally operate and meet expected working requirements is detected within target time. Although the method can obtain a better practical result, a large amount of manpower and material resources are needed, the test period is long, the test operation is complex, and the method is easily influenced by factors such as weather.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rope drives and sways emulation experimental apparatus by a wide margin can realize that boats and ships are in the navigation in-process and are swayd the simulation by a wide margin, and its fidelity is high, experimental period is short, can realize real time control to the experimentation simultaneously.
A rope-driven large-amplitude swinging simulation experiment device comprises a working platform, a pull rope, a rope driving mechanism and a rack; the working platform is suspended in the rack and connected with the pull ropes; the fixed pulleys are fixed on the rack, and the other end of each pull rope is connected with a group of rope driving mechanisms by winding around one fixed pulley; the rope driving mechanism is positioned on the platform at the bottom of the frame and used for controlling the retraction of the pull rope.
Preferably, the upper end face and the lower end face of the working platform are respectively provided with four pull rope connection points, the pull rope connection points on the upper end face and the lower end face correspond to each other one by one, the pull rope connection points are symmetrically distributed on the edge of the end face of the working platform, the rack is provided with fixed pulleys with the same number as the pull rope connection points, and each fixed pulley corresponds to one pull rope connection point.
Preferably, the frame is a frame structure formed by four upright posts and four cross beams, each upright post is provided with two fixed pulleys and is respectively positioned at the upper part and the lower part of the side surface of the upright post, and the pull rope bypasses the fixed pulleys corresponding to the pull rope connecting point connected with the pull rope and is connected with the corresponding rope driving mechanism on the platform at the bottom of the frame.
Preferably, the pull rope connected with the pull rope connection point on the lower end surface of the working platform bypasses a fixed pulley on the upper part of the stand column of the rack and is connected with a corresponding rope driving mechanism fixed on a platform at the bottom of the rack; the stay cord connected with the stay cord connection point on the upper end surface of the working platform bypasses the fixed pulley on the lower part of the stand column of the rack and is connected with the corresponding cord driving mechanism fixed on the platform at the bottom of the rack.
Preferably, a movable circular ring lifting hook is arranged at the connecting point of each pull rope, a connecting ring is hinged at the connecting point of each pull rope and the pull rope, and an elastic tension compensator is connected to one end of each pull rope, which corresponds to the working platform; the working rod of the elastic tension compensator is connected with the pull rope, and the drag hook at the tail part of the elastic tension compensator is connected with the connecting ring.
Preferably, the pulley holder of the fixed pulley and the pulley fixing rod are connected by an angular contact ball bearing.
Preferably, the rope driving mechanism comprises a servo motor, a reduction gearbox and a winding drum, an output shaft of the servo motor is connected with an input shaft of the reduction gearbox through a coupler, and a reduction shaft of the reduction gearbox is connected with a transmission shaft of the winding drum through a coupler.
The beneficial effects of the utility model reside in:
1. the whole device is simple in structure, convenient to disassemble, assemble and operate, large in working space, strong in experimental stability and high in experimental precision.
2. The motion state of the motion platform on the sea can be simulated only by editing programs such as tracks, motions and the like in the control system, the motion condition of the whole detection process can be automatically recorded after the system works, the manpower is reduced, the cost is reduced, and the remote monitoring can be realized.
3. The simulation ship can run on the working platform in six degrees of freedom, and has strong simulation effect and high precision.
4. The elastic tension compensator is added at the tail end of the pull rope, so that when the temperature changes to cause the tension change of the pull rope due to expansion with heat and contraction with cold, the tension of the pull rope is automatically compensated, and a measurement experiment with higher precision is realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the rope driving mechanism of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of fig. 2 at B.
Fig. 5 is a schematic plan view of the elastic tension compensator.
The reference numbers are as follows: 1-working platform, 2-pulling rope, 3-rope driving mechanism, 4-frame, 401-upright column, 402-cross beam, 5-fixed pulley, 501-fixed pulley bracket, 502-fixed pulley fixing rod, 6-connecting ring, 7-elastic tension compensator, 701-working rod, 702-drag hook, 8-angular contact ball bearing, 9-servo motor, 10-reduction gearbox, 11-winding drum, 12-coupler and 13-pulling rope connecting point.
Detailed Description
The present embodiments are described in detail below with reference to the attached drawing figures:
as shown in fig. 1 to 5, a rope-driven large-amplitude swing simulation experiment device includes a working platform 1, a pull rope 2, a rope driving mechanism 3 and a frame 4; the working platform 1 is suspended in the rack 4 and connected with the pull ropes 2; the fixed pulleys 5 are fixed on the frame 4, and the other end of each pull rope 2 is connected with a group of rope driving mechanisms 3 by winding around one fixed pulley 5; the rope driving mechanism 3 is positioned on a platform at the bottom of the frame 4 and is used for controlling the retraction of the pull rope 2.
Preferably, four pull rope connection points 13 are respectively arranged on the upper end surface and the lower end surface of the working platform 1, the pull rope connection points 13 on the upper end surface and the lower end surface correspond to each other one by one, the pull rope connection points 13 are symmetrically distributed on the edge of the end surface of the working platform 1, the fixed pulleys 5 with the same number as the pull rope connection points 13 are arranged on the frame 4, and each fixed pulley 5 corresponds to one pull rope connection point 13.
Preferably, the machine frame 4 is a frame structure formed by four upright posts 401 and four cross beams 402, each upright post 401 is provided with two fixed pulleys 5 and is respectively positioned at the upper part and the lower part of the side surface of the upright post 401, and the pull rope 2 bypasses the fixed pulley 5 corresponding to the pull rope connection point 13 connected with the pull rope 2 and is connected with the corresponding rope driving mechanism 3 on the platform at the bottom of the machine frame 4.
Preferably, the pull rope 2 connected with the pull rope connection point 13 on the lower end surface of the working platform 1 is wound around the fixed pulley 5 on the upper part of the stand column 401 of the rack and then is connected with the corresponding rope driving mechanism 3 fixed on the platform at the bottom of the rack 4; the pull rope 2 connected with the pull rope connection point 13 on the upper end surface of the working platform 1 bypasses the fixed pulley 5 on the lower part of the stand column 401 of the frame and is connected with the corresponding rope driving mechanism 3 fixed on the platform at the bottom of the frame 4.
Preferably, a movable circular ring lifting hook 6 is arranged at each pull rope connection point 13, a connection ring 6 is hinged at each pull rope 2 and the pull rope connection point 13, and one end of each pull rope 2 corresponding to the working platform 1 is connected with an elastic tension compensator 7; the working rod 701 of the elastic tension compensator 7 is connected with the pull rope 2, and the draw hook 702 at the tail part of the elastic tension compensator 7 is connected with the connecting ring 6. The elastic tension compensator is added, so that the problem that the pull rope can only bear pulling force but can not bear pressure is solved.
Preferably, the pulley bracket 501 of the fixed pulley 5 is connected with the pulley fixing rod 502 through the angular contact ball bearing 8, so that the pulley bracket 501 can freely rotate along the axial direction of the pulley fixing rod 502, thus ensuring stable rotation of the fixed pulley 5 with two degrees of freedom, reducing the friction resistance of the pull rope 2 in the experiment process, and improving the experiment precision and stability.
Preferably, the rope driving mechanism 3 comprises a servo motor 9, a reduction gearbox 10 and a winding drum 11, an output shaft of the servo motor 9 is connected with an input shaft of the reduction gearbox 10 through a coupler 12, and a reduction shaft of the reduction gearbox 10 is connected with a transmission shaft of the winding drum 11 through the coupler 12.
The working principle of the utility model is as follows:
in the embodiment, the servo motors are controlled to work through the upper computer, path programs (namely, the retracting time and the retracting length of the pull ropes are realized by controlling the forward and reverse rotation of output shafts of the servo motors, and the prior art) required by experiments are written into the upper computer, each servo motor 9 can be independently controlled to operate after a control command is input, the rotating speed is stabilized through the coupling 12 and the reduction gearbox 10, then the rotating speed is transmitted to the winding drum 11, the rope discharging and the rope retracting of all the pull ropes 2 can be controlled, and the pull ropes 2 bypass the fixed pulley 5 and jointly control the six-degree-of-freedom (three translation and three rotation) movement of the working platform 1 in the frame 4. After a ship precision instrument to be detected is installed on the working platform 4, a large-amplitude swing simulation experiment of the internal precision instrument of the target ship in the navigation process can be realized.
In this embodiment, a switch for controlling the servo motor, a lower computer for displaying the dynamic parameters of the system, and the like are also configured, and the prior art is adopted.
It should be noted that:
1. in this embodiment, adopt cross connection's mode, make work platform lower extreme stay cord walk around stand upper portion fixed pulley, work platform upper end stay cord walks around stand lower part fixed pulley, can effectively increase work space and the range of motion of work platform at six degrees of freedom, improves the simulation effect of instrument and equipment under the different stormy waves grade circumstances.
2. The elastic tension compensator is additionally arranged at the tail end of the pull rope, so that when the temperature changes to cause the tension change of the pull rope due to expansion with heat and contraction with cold, the tension of the pull rope is automatically compensated, and a measurement experiment with higher precision is realized.
3. In the embodiment, the type of the servo motor is 180 ST-M19015; the reduction gearbox adopts a model ZQH 35.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The rope drives and sways emulation experimental apparatus by a wide margin, its characterized in that: comprises a working platform, a pull rope, a rope driving mechanism and a frame; the working platform is suspended in the rack and connected with the pull ropes; the fixed pulleys are fixed on the rack, and the other end of each pull rope is connected with a group of rope driving mechanisms by winding around one fixed pulley; the rope driving mechanism is positioned on the platform at the bottom of the frame and used for controlling the retraction of the pull rope.
2. The rope-driven large-amplitude swing simulation experiment device according to claim 1, characterized in that: the upper end face and the lower end face of the working platform are respectively provided with four stay cord connection points, the stay cord connection points of the upper end face and the lower end face are in one-to-one correspondence, the stay cord connection points are symmetrically distributed on the edge of the end face of the working platform, the rack is provided with fixed pulleys with the same number as the stay cord connection points, and each fixed pulley corresponds to one stay cord connection point.
3. The rope-driven large-amplitude swing simulation experiment device according to claim 2, characterized in that: the frame is a frame structure formed by four upright posts and four cross beams, each upright post is provided with two fixed pulleys and is respectively positioned at the upper part and the lower part of the side surface of the upright post, and the pull rope bypasses the fixed pulleys corresponding to the pull rope connecting point connected with the pull rope and is connected with a corresponding rope driving mechanism on a platform at the bottom of the frame.
4. The rope-driven large-amplitude swing simulation experiment device according to claim 3, characterized in that: the stay cord connected with the stay cord connection point on the lower end surface of the working platform bypasses the fixed pulley on the upper part of the stand column of the rack and is connected with the corresponding cord driving mechanism fixed on the platform at the bottom of the rack; the stay cord connected with the stay cord connection point on the upper end surface of the working platform bypasses the fixed pulley on the lower part of the stand column of the rack and is connected with the corresponding cord driving mechanism fixed on the platform at the bottom of the rack.
5. The rope-driven large-amplitude swing simulation experiment device according to claim 4, wherein: a connecting ring is hinged at the connecting point of each pull rope, and one end of each pull rope, which corresponds to the working platform, is connected with an elastic tension compensator; the working rod of the elastic tension compensator is connected with the pull rope, and the drag hook at the tail part of the elastic tension compensator is connected with the connecting ring.
6. The rope-driven large-amplitude swing simulation experiment device according to claim 3, characterized in that: and the pulley bracket of the fixed pulley is connected with the pulley fixing rod through an angular contact ball bearing.
7. The rope-driven large-amplitude swing simulation experiment device according to claim 1, characterized in that: the rope driving mechanism comprises a servo motor, a reduction gearbox and a winding drum, wherein an output shaft of the servo motor is connected with an input shaft of the reduction gearbox through a coupler, and a reduction shaft of the reduction gearbox is connected with a transmission shaft of the winding drum through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920517871.9U CN209993153U (en) | 2019-04-17 | 2019-04-17 | Rope drives simulation experiment device that sways by a wide margin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920517871.9U CN209993153U (en) | 2019-04-17 | 2019-04-17 | Rope drives simulation experiment device that sways by a wide margin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209993153U true CN209993153U (en) | 2020-01-24 |
Family
ID=69291729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920517871.9U Active CN209993153U (en) | 2019-04-17 | 2019-04-17 | Rope drives simulation experiment device that sways by a wide margin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209993153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887374A (en) * | 2019-04-17 | 2019-06-14 | 武汉誉琼科技有限公司 | Nature imitation experiment device is significantly waved in a kind of drive of rope |
-
2019
- 2019-04-17 CN CN201920517871.9U patent/CN209993153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887374A (en) * | 2019-04-17 | 2019-06-14 | 武汉誉琼科技有限公司 | Nature imitation experiment device is significantly waved in a kind of drive of rope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3472835B2 (en) | Dynamic wind tunnel test equipment | |
| CN111400917B (en) | Kinematics optimization solving method of rope traction parallel robot with variable structure | |
| CN108344553B (en) | Wind tunnel test model parallel mechanism supporting device for aircraft formation flight | |
| CN104812663B (en) | Device and method for personnel, equipment and/or structural detail to be transferred to Offshore Structures from above water craft | |
| CN104443448A (en) | Cable drive robot device for simulating zero-gravity and low-gravity environment | |
| CN208602649U (en) | Underwater robot lays the elevator Zhi Dang mechanism of recovery system | |
| CN209993153U (en) | Rope drives simulation experiment device that sways by a wide margin | |
| CN113305827B (en) | Line-driven flexible mechanical arm suitable for underwater operation | |
| CN101482455B (en) | Following type zero-gravity simulation test method | |
| CN107757955A (en) | Multi-joint space mechanism gravity unloading device | |
| CN106494640B (en) | A kind of multi-rotor unmanned aerial vehicle test and trained unified platform | |
| CN109018248A (en) | A kind of marine salvage system of rope driving in parallel | |
| CN109163874A (en) | The self-walking fan battle array that can be freely combined | |
| CN114923657B (en) | Vertical rod rope supporting system for full-aircraft flutter wind tunnel test | |
| CN113008512A (en) | Deep sea operation platform motion response test system and test method | |
| CN114233577B (en) | Liftable wind power generation device | |
| CN115258972A (en) | Double-arm cooperative flexible cable parallel hoisting robot and control method thereof | |
| CN209992138U (en) | Rope drives and sways platform simulation experiment device | |
| CN107866814B (en) | Robot device for visual inspection of components in core cavity of pebble-bed reactor | |
| KR101500898B1 (en) | Kite cable auto control type kite boat | |
| CN206265338U (en) | A kind of multi-rotor unmanned aerial vehicle test and training unified platform | |
| CN115655635A (en) | Two-freedom-degree supporting system for full-body freedom-degree flutter or gust test | |
| CN212432476U (en) | Wind-induced vibration test device for overlong sling aeroelastic model in natural wind field | |
| CN114279678A (en) | Space movement mechanism for experiment of ship and ocean engineering structure pool | |
| CN110455492A (en) | Bay section swing testing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |