CN114030842A - Excitation platform positioning and moving device - Google Patents
Excitation platform positioning and moving device Download PDFInfo
- Publication number
- CN114030842A CN114030842A CN202111382248.5A CN202111382248A CN114030842A CN 114030842 A CN114030842 A CN 114030842A CN 202111382248 A CN202111382248 A CN 202111382248A CN 114030842 A CN114030842 A CN 114030842A
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- CN
- China
- Prior art keywords
- excitation platform
- rod
- frame
- lifting
- supporting frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/001—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base
- B65G41/003—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base mounted for linear movement only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
Abstract
The invention provides a positioning and moving device of an excitation platform, which comprises: the fixed support beam is arranged on the lifting frame and used for fixing the excitation platform; the lifting frame is used for lifting the excitation platform; the universal wheel is arranged at the bottom of the lifting frame; the invention can quickly move and adjust the position of the excitation platform, and realize the butt joint positioning of the loading equipment and the loading position; the movable vibration excitation platform overcomes the defects of long time consumption, poor butt joint precision and low working efficiency of the conventional movable vibration excitation platform in a laboratory.
Description
Technical Field
The invention belongs to the technical field of helicopter full-dynamic characteristic test tests, and particularly relates to an excitation platform positioning and moving device.
Background
The full-helicopter vibration frequency vibration type dynamic characteristic test is an important link for researching helicopter vibration analysis and structural design, and almost all new models need to be developed and finished. The most key technology of the test is to determine the proper position of the machine body to apply the exciting force and ensure that the exciting force can excite all the required modal information of the machine body.
Generally, a helicopter needs to be loaded in two directions, namely the heading direction and the lateral direction of a helicopter body in the test process, and the position of an excitation platform needs to be adjusted repeatedly in order to obtain required modal information of the helicopter body in the test process until an optimal loading point is found. Mainly faces the problems that: the excitation platform is heavy, especially when the position is adjusted below the machine body, the space is narrow, the excitation platform is difficult to move to the specified position, and the excitation platform needs to be frequently moved in the process of searching the proper position, and the work is repeated.
Therefore, a set of mechanism needs to be designed, and the functions of fast moving and positioning of the excitation platform can be realized. The existing vibration excitation platform moving method used in the laboratory mainly depends on manual movement, has poor butt joint precision and low working efficiency, and is difficult to meet the requirements of the current test task. In order to meet the requirements of new-type scientific research work and improve the test level of the inventor, an excitation platform positioning mobile device is urgently needed to be developed.
Disclosure of Invention
In view of the above technical problems, the present invention provides an excitation platform positioning mobile device, including:
the fixed support beam is arranged on the lifting frame and used for fixing the excitation platform;
the lifting frame is used for lifting the excitation platform;
and the universal wheel is arranged at the bottom of the lifting frame.
Preferably, the crane comprises:
the universal wheel is arranged at the bottom of the basic supporting frame;
and the lifting component is arranged on the basic supporting frame and used for lifting the excitation platform.
Preferably, the lifting assembly comprises:
the sliding guide rail is arranged on the basic supporting frame;
the movable beam is sleeved on the sliding guide rail and can slide along the sliding guide rail;
the adjusting screw is in threaded connection with the walking beam; the movable beam can slide back and forth along the sliding guide rail along with the rotation of the adjusting screw;
the rotating handle is arranged at the end part of the adjusting screw rod and is used for providing torque for the adjusting screw rod;
the lifting mechanism is connected with the walking beam;
and the supporting frame is connected with the lifting mechanism.
Preferably, the lifting mechanism includes:
one end of the push-pull rod is connected with the walking beam, and the other end of the push-pull rod is connected with the small roller rod through the roller; wherein, the roller can roll in the chute;
the small roller rod is movably connected to the support arm;
and one end of the support arm is connected with the bottom surface of the support frame in a sliding manner, and the other end of the support arm is movably connected with the basic support frame.
Preferably, a limiting rod is further arranged between the supporting frame and the basic supporting frame, and the supporting frame can move up and down along the limiting rod.
Preferably, the lifting mechanism further comprises:
one end of the large roller rod is connected with the bottom surface of the supporting frame in a sliding manner, and the other end of the large roller rod is movably connected with the basic supporting frame;
the synchronous connecting rod is movably connected between the support arm and the large roller rod.
Preferably, the supporting frame and the basic supporting frame are both provided with sliding grooves for the rolling of the rollers.
Preferably, the fixed supporting beam is clamped on the supporting frame, an arc-shaped groove is further formed in the fixed supporting beam, a fixed column is clamped in the arc-shaped groove, and the fixed column is used for fixing the excitation platform.
The invention has the beneficial technical effects that:
the invention can quickly move and adjust the position of the excitation platform, and realize the butt joint positioning of the loading equipment and the loading position; the movable vibration excitation platform overcomes the defects of long time consumption, poor butt joint precision and low working efficiency of the conventional movable vibration excitation platform in a laboratory.
Drawings
Fig. 1 is a schematic overall structure diagram of an excitation platform positioning mobile device according to an embodiment of the present invention;
fig. 2 is a usage state diagram of an excitation platform positioning mobile device according to an embodiment of the present invention;
wherein: 1-fixed supporting beam, 2-lifting frame, 3-limiting rod, 4-big roller rod, 5-roller, 6-synchronous connecting rod, 7-small roller rod, 8-universal wheel, 9-push-pull rod, 10-floating beam, 11-sliding guide rail, 12-adjusting screw, 13-basic supporting frame, 14-rotating handle, 15-vibration exciting platform and 16-vibration exciter.
Detailed Description
The purpose of the invention is as follows: the design of the excitation platform positioning and moving device is provided, the excitation platform can be rapidly moved, the loading device and the loading position can be in butt joint positioning, and the excitation platform positioning and moving device can be used for completing a helicopter whole-machine vibration frequency vibration type dynamic characteristic test.
Referring to fig. 1-2, the present invention provides a positioning and moving device for a helicopter vibration excitation platform, comprising: the device comprises a fixed supporting beam 1, a lifting frame 2, a limiting rod 3, a large roller rod 4, a roller 5, a synchronous connecting rod 6, a small roller rod 7, a universal wheel 8, a push-pull rod 9, a floating beam 10, a sliding guide rail 11, an adjusting screw 12, a basic supporting frame 13 and a rotating handle 14.
In the embodiment of the application, the structural characteristics are as follows: the fixed support beam 1 is connected with the lifting frame 2 in an embedded mode, and the limiting rod 3 is fixedly connected with the lifting frame 2; two groups of large roller rods 4 are respectively connected with a synchronous connecting rod 6 and a small roller rod 7 through pin shafts, and the other two groups of large roller rods 4 are connected with the synchronous connecting rod 6 through pin shafts; the upper end of the large roller rod 4 is connected with the roller 5 through a pin shaft, and the lower end is connected with the basic support frame 13 through a pin shaft; the rollers 5 are respectively nested in the grooves of the lifting frame 2 and the basic supporting frame 13 and can freely roll.
Wherein, four universal wheels 8 are fixedly arranged on the lower plane of the basic supporting frame 13, one end of a push-pull rod 9 is connected with the small roller rod 7 through a pin shaft, and the other end is connected with the movable beam 10 through a pin shaft; the sliding guide rail 11 is fixedly arranged on the fixed support beam 1, and the floating beam 10 is nested on the sliding guide rail 11 and the adjusting screw 12; the adjusting screw 12 is mounted on the fixed support beam 1 through a rolling bearing and only has rotational freedom, and the end part of the adjusting screw 12 is provided with a rotating handle 14, and the above parts form a complete excitation platform positioning and moving device mechanism together.
The invention belongs to a helicopter full-mechanical vibration frequency and vibration type dynamic characteristic test technology, and can quickly move and adjust the position of an excitation platform to realize butt joint positioning of loading equipment and a loading position; the movable vibration excitation platform overcomes the defects of long time consumption, poor butt joint precision and low working efficiency of the conventional movable vibration excitation platform in a laboratory. The excitation platform can be flexibly moved at the bottom of the cabin with narrow space, the excitation platform can be quickly conveyed to a specified position, and the contact precision and the working efficiency of the excitation point are greatly improved.
The present application will be described in further detail with reference to fig. 1 and 2. A positioning and moving device of an excitation platform consists of a fixed supporting beam 1, a lifting frame 2, a limiting rod 3, a large roller rod 4, a roller 5, a synchronous connecting rod 6, a small roller rod 7, a universal wheel 8, a push-pull rod 9, a floating beam 10, a sliding guide rail 11, an adjusting screw rod (12), a basic supporting frame 13 and a rotating handle 14;
in the examples of the present application, the detailed description is:
firstly, 4 universal wheels 8 are arranged on a basic support frame 13, and then components such as a sliding guide rail 11, a walking beam 10, an adjusting screw 12, a rotating handle 14 and the like are arranged on the basic support frame 13;
secondly, the large roller rod 4, the roller 5 and the small roller rod 7 are installed and connected through a pin shaft and then installed on the basic support frame 13 through the pin shaft;
thirdly, the movable beam 10 is adjusted to a proper position, and the synchronous connecting rod 6 and the push-pull rod 9 are installed and connected to the large roller rod 4, the small roller rod 7 and the movable beam 10 through pin shafts in sequence, so that a complete adjustable mechanism is formed;
fourthly, installing a lifting frame 2, nesting and installing the lifting frame 2 on a limiting rod 3, and completely nesting and fitting the groove of the lifting frame 2 and the roller 5 on the large roller rod 4;
fifthly, the fixed supporting beam 1 is nested and installed in a groove of the lifting frame 2, the fixed supporting beam 1 is taken down to be close to one end of the opening before use, the platform 15 to be excited enters the device, the fixed supporting beam 1 is placed and installed, the excitation platform is lifted up to be separated from the ground by adjusting the rotating handle 14 and moved to a specified position, then the excitation platform is put down, the fixed supporting beam 1 at the outer end is dismounted, and the mobile device is pulled out;
sixthly, when moving the excitation platform, operating personnel firstly adjust the rotating handle 14, adjust the crane 2 to a proper height according to the excitation platform hanging point, remove the fixed supporting beam 1 near the opening end, the mobile device treats that the excitation platform enters the device proper position, the fixed supporting beam 1 at the opening end is installed, adjust the rotating handle 14, treat that the excitation platform 15 breaks away from the ground, can move the excitation platform, treat that the vibration exciter 16 aims at the excitation point position, can put down the excitation platform 15 and fix. Therefore, the quick movement and positioning of the excitation platform are realized.
The invention relates to a positioning and moving device of an excitation platform, which is specially used for helicopter maneuvering characteristic tests and has the following functions: the excitation platform can be moved and the loading position of the excitation point can be accurately butted; the working efficiency of the tester can be greatly improved.
Claims (8)
1. An excitation platform positioning mobile device, comprising:
the fixed support beam is arranged on the lifting frame and used for fixing the excitation platform;
the lifting frame is used for lifting the excitation platform;
and the universal wheel is arranged at the bottom of the lifting frame.
2. The excitation platform positioning mobile device of claim 1, wherein the crane comprises:
the universal wheel is arranged at the bottom of the basic supporting frame;
and the lifting component is arranged on the basic supporting frame and used for lifting the excitation platform.
3. The excitation platform positioning mobile device of claim 2, wherein the lift assembly comprises:
the sliding guide rail is arranged on the basic supporting frame;
the movable beam is sleeved on the sliding guide rail and can slide along the sliding guide rail;
the adjusting screw is in threaded connection with the walking beam; the movable beam can slide back and forth along the sliding guide rail along with the rotation of the adjusting screw;
the rotating handle is arranged at the end part of the adjusting screw rod and is used for providing torque for the adjusting screw rod;
the lifting mechanism is connected with the walking beam;
and the supporting frame is connected with the lifting mechanism.
4. The excitation platform positioning mobile device of claim 3, wherein the lift mechanism comprises:
one end of the push-pull rod is connected with the walking beam, and the other end of the push-pull rod is connected with the small roller rod through the roller; wherein, the roller can roll in the chute;
the small roller rod is movably connected to the support arm;
and one end of the support arm is connected with the bottom surface of the support frame in a sliding manner, and the other end of the support arm is movably connected with the basic support frame.
5. The excitation platform positioning and moving device as claimed in claim 3, wherein a limit rod is further disposed between the support frame and the base support frame, and the support frame can move up and down along the limit rod.
6. The excitation platform positioning mobile device of claim 4, wherein the lift mechanism further comprises:
one end of the large roller rod is connected with the bottom surface of the supporting frame in a sliding manner, and the other end of the large roller rod is movably connected with the basic supporting frame;
the synchronous connecting rod is movably connected between the support arm and the large roller rod.
7. The excitation platform positioning and moving device as claimed in claim 6, wherein the supporting frame and the base supporting frame are provided with sliding grooves for the rolling of the rollers.
8. The excitation platform positioning and moving device as claimed in claim 6, wherein the fixed support beam is clamped on the support frame, an arc-shaped groove is further formed in the fixed support beam, and a fixed column is clamped in the arc-shaped groove and used for fixing the excitation platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382248.5A CN114030842A (en) | 2021-11-19 | 2021-11-19 | Excitation platform positioning and moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382248.5A CN114030842A (en) | 2021-11-19 | 2021-11-19 | Excitation platform positioning and moving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114030842A true CN114030842A (en) | 2022-02-11 |
Family
ID=80138247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382248.5A Pending CN114030842A (en) | 2021-11-19 | 2021-11-19 | Excitation platform positioning and moving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114030842A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070266492A1 (en) * | 2006-05-18 | 2007-11-22 | Junca Charles H | Apparatus and method for lifting and aligning toilets |
| CN107478444A (en) * | 2017-09-19 | 2017-12-15 | 北京汽车研究总院有限公司 | A kind of body mode exciting device |
| WO2018178524A1 (en) * | 2017-03-31 | 2018-10-04 | Bourdeau Florian | Method and device for supporting a wheel |
| CN108751013A (en) * | 2018-05-28 | 2018-11-06 | 合肥航机械科技股份有限公司 | A kind of undercarriage lifting device and its lifting method |
| CN208200243U (en) * | 2018-05-04 | 2018-12-07 | 金希计 | A kind of portable vehicle lifting equipment |
| CN111037519A (en) * | 2019-12-03 | 2020-04-21 | 中南大学 | Movable vibration exciter mounting machine |
| CN112320674A (en) * | 2020-12-10 | 2021-02-05 | 湖南工业大学 | Lifting device of hoisting equipment |
| CN213356827U (en) * | 2020-05-25 | 2021-06-04 | 重庆电子工程职业学院 | Maintenance platform for automobile transmission shaft detection |
| CN113013779A (en) * | 2019-12-20 | 2021-06-22 | 西安谷德电子科技有限公司 | A installation maintenance platform for power equipment |
-
2021
- 2021-11-19 CN CN202111382248.5A patent/CN114030842A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070266492A1 (en) * | 2006-05-18 | 2007-11-22 | Junca Charles H | Apparatus and method for lifting and aligning toilets |
| WO2018178524A1 (en) * | 2017-03-31 | 2018-10-04 | Bourdeau Florian | Method and device for supporting a wheel |
| CN107478444A (en) * | 2017-09-19 | 2017-12-15 | 北京汽车研究总院有限公司 | A kind of body mode exciting device |
| CN208200243U (en) * | 2018-05-04 | 2018-12-07 | 金希计 | A kind of portable vehicle lifting equipment |
| CN108751013A (en) * | 2018-05-28 | 2018-11-06 | 合肥航机械科技股份有限公司 | A kind of undercarriage lifting device and its lifting method |
| CN111037519A (en) * | 2019-12-03 | 2020-04-21 | 中南大学 | Movable vibration exciter mounting machine |
| CN113013779A (en) * | 2019-12-20 | 2021-06-22 | 西安谷德电子科技有限公司 | A installation maintenance platform for power equipment |
| CN213356827U (en) * | 2020-05-25 | 2021-06-04 | 重庆电子工程职业学院 | Maintenance platform for automobile transmission shaft detection |
| CN112320674A (en) * | 2020-12-10 | 2021-02-05 | 湖南工业大学 | Lifting device of hoisting equipment |
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