CN109752159A - A kind of plate-girder dynamic loading response test device - Google Patents
A kind of plate-girder dynamic loading response test device Download PDFInfo
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- CN109752159A CN109752159A CN201910059270.2A CN201910059270A CN109752159A CN 109752159 A CN109752159 A CN 109752159A CN 201910059270 A CN201910059270 A CN 201910059270A CN 109752159 A CN109752159 A CN 109752159A
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- fixed frame
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- preposition
- traction
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Abstract
The present invention relates to plate-girder test device technical fields, refer specifically to a kind of plate-girder dynamic loading response test device；Including pedestal, it is successively arranged preposition fixed frame, postposition fixed frame and variable speed electric motors, particularly on the pedestal, test specimen plate is equipped between preposition fixed frame and postposition fixed frame, the both ends of test specimen plate are connect with preposition fixed frame and postposition fixed frame respectively；The preposition fixed frame is equipped with can be equipped with buffer gear along the bogie wheel that it is moved horizontally, postposition fixed frame, and the output shaft of variable speed electric motors, particularly is equipped with traction wheel, and the traction rope on traction wheel is connect with bogie wheel；Structure of the invention is reasonable, and variable speed electric motors, particularly traction bogie wheel is completed to accelerate on preposition fixed frame, at the uniform velocity rolls across on test specimen plate, and after bogie wheel reaches postposition fixed frame, impact wooden unit hits cushioning fender, is slowed down by buffer spring；By the way that a series of velocity gradients, weight bearing gradient are arranged, length, the thickness etc. for changing test specimen plate carry out the function and effect experiment that experiment can complete dynamic loading to thin plate.
Description
Technical field
The present invention relates to plate-girder test device technical fields, refer specifically to a kind of plate-girder dynamic loading response test device.
Background technique
The landing process of helicopter peculiar to vessel can be using the mechanical model research on basis --- under Moving Concentrated Load
Plate-girder Theory of Vibration model.However theoretical model lacks most intuitive experimental verification, helicopter landing process may cause deck
Plastic deformation, so need to carry out the lower slab and girder of Moving Concentrated Load moulding dynamic response experiment.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of structures to be simple and convenient to operate, can
To complete the plate-girder dynamic loading response test device of function and effect experiment of the dynamic loading to thin plate.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of plate-girder dynamic loading response test device of the present invention, including pedestal are successively arranged on the pedestal preposition solid
Determine frame, postposition fixed frame and variable speed electric motors, particularly, test specimen plate, the both ends point of test specimen plate are equipped between preposition fixed frame and postposition fixed frame
It is not connect with preposition fixed frame and postposition fixed frame；The preposition fixed frame be equipped with can along the bogie wheel that it is moved horizontally, after
Fixed frame is set equipped with buffer gear, the output shaft of variable speed electric motors, particularly is equipped with traction wheel, traction rope and bogie wheel on traction wheel
Connection.
According to above scheme, the upper end of the preposition fixed frame is equipped with two acceleration guide rails being parallel to each other, two acceleration
The rear end of guide rail is connected with preposition fixed plate, and the flap of test specimen front edge of board are fixedly connected with preposition fixed plate；It is described preposition solid
The lower end for determining frame is equipped with two angle steel being parallel to each other, and several fixation holes being spirally connected with pedestal are offered on angle steel.
According to above scheme, the upper end of the postposition fixed frame is equipped with two buffer guide rails being parallel to each other, two bufferings
The front end of guide rail is connected with postposition fixed plate, and the flap of test specimen plate rear end are fixedly connected with postposition fixed plate；The postposition is solid
The lower end for determining frame is equipped with two angle steel being parallel to each other, and several fixation holes being spirally connected with pedestal are offered on angle steel.
According to above scheme, the bogie wheel includes roller, central axis and clump weight, and central axis is arranged in the center of roller
In hole, and bearing is equipped between roller and central axis；The both ends of the roller are equipped with limit plate, the central axis on the outside of limit plate
End is equipped with clump weight and fixture nut；Traction cross bar, traction rope and traction cross bar are connected between described two limit plates
Midpoint connection.
According to above scheme, the buffer gear includes that baffle, buffer spring, impact wooden unit and assembly wooden unit, baffle are horizontal
To being erected on two acceleration guide rails, assembly wooden unit is fixed on the midpoint of traction cross bar, the both ends of buffer spring respectively with punching
Wooden unit is hit to connect with assembly wooden unit.
According to above scheme, the baffle is equipped with threading hole, and fixed pulley is equipped between two buffer guide rail rear ends, described
The upper limb vertex of fixed pulley, threading hole, impact wooden unit, buffer spring, traction cross bar are all in the same horizontal plane；The traction
Rope is fixedly connected after sequentially passing through fixed pulley, threading hole, impact wooden unit, buffer spring with traction cross bar.
The invention has the following beneficial effects: structure of the invention is reasonable, variable speed electric motors, particularly traction bogie wheel is completed on preposition fixed frame
Accelerate, at the uniform velocity rolled across on test specimen plate, after bogie wheel reaches postposition fixed frame, impact wooden unit hits cushioning fender, draught line
It is pulled off bogie wheel to run out of steam, be slowed down by buffer spring, complete primary experiment；To by the way that a series of speed ladders are arranged
Degree, weight bearing gradient, length, the thickness etc. for changing test specimen plate carry out the function and effect reality that experiment can complete dynamic loading to thin plate
It tests.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is preposition fixed rack structure schematic diagram of the invention；
Fig. 3 is postposition fixed rack structure schematic diagram of the invention；
Fig. 4 is bogie wheel structural schematic diagram of the invention.
In figure:
1, pedestal；2, preposition fixed frame；3, postposition fixed frame；4, bogie wheel；11, variable speed electric motors, particularly；12, traction wheel；13, test specimen
Plate；21, accelerate guide rail；22, angle steel；23, preposition fixed plate；24, fixation hole；31, buffer guide rail；32, postposition fixed plate；33,
Baffle；34, threading hole；35, fixed pulley；41, roller；42, central axis；43, clump weight；44, limit plate；45, cross bar is drawn；
46, buffer spring；47, wooden unit is impacted；48, wooden unit is assembled.
Specific embodiment
Technical solution of the present invention is illustrated with embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of plate-girder dynamic loading response test device of the present invention, including pedestal 1, the pedestal 1
On be successively arranged preposition fixed frame 2, postposition fixed frame 3 and variable speed electric motors, particularly 11, set between preposition fixed frame 2 and postposition fixed frame 3
There is test specimen plate 13, the both ends of test specimen plate 13 are connect with preposition fixed frame 2 and postposition fixed frame 3 respectively；On the preposition fixed frame 2
Equipped with buffer gear can be equipped with along the bogie wheel 4 that it is moved horizontally, postposition fixed frame 3, set on the output shaft of variable speed electric motors, particularly 11
There is traction wheel 12, the traction rope on traction wheel 12 is connect with bogie wheel 4；It first respectively will be preposition solid according to the length of test specimen plate 13
Determine frame 2 and postposition fixed frame 3 is mounted on pedestal 1, then so that it is constituted one continuously between the connection of test specimen plate 13
Roll platform；Bogie wheel 4 is driven by variable speed electric motors, particularly 11, bogie wheel 4 completes boost phase on preposition fixed frame 2, then edge
13 uniform roll of test specimen plate realizes stopping of slowing down finally by the buffer gear on postposition fixed frame 3；By the way that a series of speed are arranged
Gradient, weight bearing gradient are spent, length, the thickness etc. for changing test specimen plate 13 carry out the effect effect that experiment can complete dynamic loading to thin plate
Fruit is tested.
The upper end of the preposition fixed frame 2 is equipped with two acceleration guide rails 21 being parallel to each other, after two acceleration guide rails 21
End is connected with preposition fixed plate 23, and the flap of 13 front end of test specimen plate are fixedly connected with preposition fixed plate 23；The preposition fixation
The lower end of frame 2 is equipped with two angle steel 22 being parallel to each other, and several fixation holes 24 being spirally connected with pedestal 1 are offered on angle steel 22；Institute
The Acceleration of starting section motion platform for accelerating guide rail 21 to constitute bogie wheel 4 is stated, is connected by preposition fixed plate 23 with test specimen plate 13
One, two acceleration guide rails 21 and angle steel 22 constitute rectangular frame structure, and connect pedestal by the fixation hole 24 on angle steel 22
1, overall structure is simple, easy for installation.
The upper end of the postposition fixed frame 3 is equipped with two buffer guide rails 31 being parallel to each other, before two buffer guide rails 31
End is connected with postposition fixed plate 32, and the flap of 13 rear end of test specimen plate are fixedly connected with postposition fixed plate 32；The postposition is fixed
The lower end of frame 3 is equipped with two angle steel 22 being parallel to each other, and several fixation holes 24 being spirally connected with pedestal 1 are offered on angle steel 22；Institute
The braking section motion platform that two buffer guide rails 31 constitute bogie wheel 4 is stated, is connected by postposition fixed plate 32 and test specimen plate 13
One, bogie wheel 4 enter buffer guide rail 31 after test specimen plate 13 at the uniform velocity passes through, finally realize under the action of buffer gear quiet
Only；Described two buffer guide rails 31 and two angle steel 22 constitute rectangular frame structure, and then on the base by fixation hole connection,
Structure is simple, easy for installation.
The bogie wheel 4 includes roller 41, central axis 42 and clump weight 43, and central axis 42 is arranged in the centre bore of roller 41
It is interior, and bearing is equipped between roller 41 and central axis 42；The both ends of the roller 41 are equipped with limit plate 44,44 outside of limit plate
42 end of central axis be equipped with clump weight 43 and fixture nut；Traction cross bar 45 is connected between described two limit plates 44,
Traction rope is connect with the midpoint of traction cross bar 45；The buffer gear includes baffle 33, buffer spring 46, impact wooden unit 47 and dress
With wooden unit 48, baffle 33 is laterally erected on two acceleration guide rails 21, and assembly wooden unit 48 is fixed on the midpoint of traction cross bar 45,
The both ends of buffer spring 46 are connect with impact wooden unit 47 and assembly wooden unit 48 respectively；The roller 41 can be along acceleration guide rail 21, examination
The operation platform that part plate 13 and buffer guide rail 31 are constituted is mobile, and the limit plate 44 at 41 both ends of roller is for preventing bogie wheel 4 from deviateing
Operation platform, variable speed electric motors, particularly 11 drives bogie wheel 4 to roll by traction rope, after bogie wheel 4 is moved to cushioning rail 31, impact
Fracture of rope is drawn when 47 impingement baffles 33 of wooden unit, bogie wheel 4 realizes buffer deceleration to stationary state by buffer spring 46.
The baffle 33 is equipped with threading hole 34, and fixed pulley 35 is equipped between two 31 rear ends of buffer guide rail, described to determine cunning
The upper limb vertex of wheel 35, threading hole 34, impact wooden unit 47, buffer spring 46, traction cross bar 45 are all in the same horizontal plane；Institute
It states and fixes company with traction cross bar 45 after traction rope sequentially passes through fixed pulley 35, threading hole 34, impacts wooden unit 47, buffer spring 46
It connects.
The above description is only a preferred embodiment of the present invention, thus it is all according to the configuration described in the scope of the patent application of the present invention,
The equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (6)
1. a kind of plate-girder dynamic loading response test device, including pedestal (1), it is characterised in that: be successively arranged on the pedestal (1)
Preposition fixed frame (2), postposition fixed frame (3) and variable speed electric motors, particularly (11) are set between preposition fixed frame (2) and postposition fixed frame (3)
Have test specimen plate (13), the both ends of test specimen plate (13) are connect with preposition fixed frame (2) and postposition fixed frame (3) respectively；It is described preposition
Fixed frame (2), which is equipped with, to be equipped with buffer gear, variable speed electric motors, particularly along the bogie wheel (4) that it is moved horizontally, postposition fixed frame (3)
(11) output shaft is equipped with traction wheel (12), and the traction rope on traction wheel (12) is connect with bogie wheel (4).
2. plate-girder dynamic loading response test device according to claim 1, it is characterised in that: the preposition fixed frame (2)
Upper end be equipped with two acceleration guide rails (21) being parallel to each other, the rear end of two acceleration guide rails (21) is connected with preposition fixed plate
(23), the flap of test specimen plate (13) front end are fixedly connected with preposition fixed plate (23)；The lower end of the preposition fixed frame (2) is set
There are two angle steel being parallel to each other (22), several fixation holes (24) being spirally connected with pedestal (1) are offered on angle steel (22).
3. plate-girder dynamic loading response test device according to claim 2, it is characterised in that: the postposition fixed frame (3)
Upper end be equipped with two buffer guide rails (31) being parallel to each other, the front end of two buffer guide rails (31) is connected with postposition fixed plate
(32), the flap of test specimen plate (13) rear end are fixedly connected with postposition fixed plate (32)；The lower end of the postposition fixed frame (3) is set
There are two angle steel being parallel to each other (22), several fixation holes (24) being spirally connected with pedestal (1) are offered on angle steel (22).
4. plate-girder dynamic loading response test device according to claim 1, it is characterised in that: the bogie wheel (4) includes
Roller (41), central axis (42) and clump weight (43), central axis (42) are arranged in the centre bore of roller (41), and roller (41)
Bearing is equipped between central axis (42)；The both ends of the roller (41) are equipped with limit plate (44), on the outside of limit plate (44)
Central axis (42) end is equipped with clump weight (43) and fixture nut；Traction cross bar is connected between described two limit plates (44)
(45), traction rope is connect with the midpoint of traction cross bar (45).
5. plate-girder dynamic loading response test device according to claim 4, it is characterised in that: the buffer gear includes gear
Plate (33), buffer spring (46), impact wooden unit (47) and assembly wooden unit (48), baffle (33) are laterally erected at two acceleration guide rails
(21) on, assembly wooden unit (48) is fixed on the midpoint of traction cross bar (45), and the both ends of buffer spring (46) are wooden with impact respectively
Block (47) and assembly wooden unit (48) connection.
6. plate-girder dynamic loading response test device according to claim 5, it is characterised in that: the baffle (33) is equipped with
Threading hole (34) is equipped with fixed pulley (35) between two buffer guide rail (31) rear ends, and the upper limb vertex of the fixed pulley (35) is worn
String holes (34), impact wooden unit (47), buffer spring (46), traction cross bar (45) are all in the same horizontal plane；The traction rope
Fixed pulley (35), threading hole (34), impact wooden unit (47), buffer spring (46) is sequentially passed through to connect with traction cross bar (45) fixation afterwards
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059270.2A CN109752159A (en) | 2019-01-22 | 2019-01-22 | A kind of plate-girder dynamic loading response test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059270.2A CN109752159A (en) | 2019-01-22 | 2019-01-22 | A kind of plate-girder dynamic loading response test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109752159A true CN109752159A (en) | 2019-05-14 |
Family
ID=66406093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910059270.2A Pending CN109752159A (en) | 2019-01-22 | 2019-01-22 | A kind of plate-girder dynamic loading response test device |
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| Country | Link |
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| CN (1) | CN109752159A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238947A (en) * | 2020-02-28 | 2020-06-05 | 重庆凯瑞汽车试验设备开发有限公司 | Device for accelerating and loading test of road surface |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561979A (en) * | 2009-06-05 | 2009-10-21 | 北京交通大学 | Vehicle-bridge coupling power experimental model device |
| CN201402204Y (en) * | 2009-01-20 | 2010-02-10 | 嘉兴学院 | Dynamic responding testing stand rack and testing device thereof under action of moving mass |
| CN104614190A (en) * | 2014-12-08 | 2015-05-13 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle test stand |
| CN106813885A (en) * | 2016-12-28 | 2017-06-09 | 武汉理工大学 | A kind of moving mass experimental rig and test method for simulating many arbitrary boundary conditions |
| CN107631850A (en) * | 2017-11-02 | 2018-01-26 | 西南交通大学 | A kind of gases at high pressure launch crash device |
| CN207396007U (en) * | 2017-04-07 | 2018-05-22 | 武汉理工大学 | The device of horizontal impact experiment can be carried out |
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2019
- 2019-01-22 CN CN201910059270.2A patent/CN109752159A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402204Y (en) * | 2009-01-20 | 2010-02-10 | 嘉兴学院 | Dynamic responding testing stand rack and testing device thereof under action of moving mass |
| CN101561979A (en) * | 2009-06-05 | 2009-10-21 | 北京交通大学 | Vehicle-bridge coupling power experimental model device |
| CN104614190A (en) * | 2014-12-08 | 2015-05-13 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle test stand |
| CN106813885A (en) * | 2016-12-28 | 2017-06-09 | 武汉理工大学 | A kind of moving mass experimental rig and test method for simulating many arbitrary boundary conditions |
| CN207396007U (en) * | 2017-04-07 | 2018-05-22 | 武汉理工大学 | The device of horizontal impact experiment can be carried out |
| CN107631850A (en) * | 2017-11-02 | 2018-01-26 | 西南交通大学 | A kind of gases at high pressure launch crash device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238947A (en) * | 2020-02-28 | 2020-06-05 | 重庆凯瑞汽车试验设备开发有限公司 | Device for accelerating and loading test of road surface |
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Application publication date: 20190514 |