CN109374245B - A kind of bridge power high precision testing device - Google Patents
A kind of bridge power high precision testing device Download PDFInfo
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- CN109374245B CN109374245B CN201811094101.4A CN201811094101A CN109374245B CN 109374245 B CN109374245 B CN 109374245B CN 201811094101 A CN201811094101 A CN 201811094101A CN 109374245 B CN109374245 B CN 109374245B
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- plate
- bridge
- gear
- mounting blocks
- gear frame
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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
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of bridge power high precision testing devices, including a bottom plate, motor and adjustment gear are installed on bottom plate, the side of adjustment gear is equipped with gear frame, the adjusting gear teeth are provided in the middle part of gear frame, shifting chute is offered in gear frame two sides, adjustable plate is installed in the side of gear frame；Supporting lug is provided at position corresponding with shifting chute on bottom plate；Adjustable plate side is provided with installation cage plate, the side of installation cage plate is provided with mounting ring, mounting blocks are installed above installation cage plate, one side lower part of mounting blocks is equipped with roller, controllable register is offered in the middle part of mounting blocks, mounting groove is offered at the top of mounting blocks, bridge model is installed in mounting groove, is connect at the top of adjusting rod with controllable register；Slideway is offered in the middle part of bridge model, weight bearing trolley is provided in the middle part of slideway, and carrying disk is installed on the trolley that bears a heavy burden.The present invention has many advantages, such as that measuring accuracy is high, simulation effect is good, long service life, portable, moisture-proof.
Description
Technical field
The present invention relates to a kind of dynamic test devices, and in particular to a kind of bridge power high precision testing device belongs to bridge
Beam the field of test technology.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc. can carry out structured testing by model to bridge, understand bridge in all cases before bridge construction
Rigidity.
When being directed to damage of the vertical seismic action to bridge, in order to avoid ignoring the rigidity and damping of bridge itself, existing inspection
Influence of the survey device using eccentric wheel to bridge model both ends using eccentric wheel simulation vertical seismic action to bridge, but existing market
On test device measuring accuracy it is lower, can not accurately record weight bearing trolley and be located at simulation test at the different location of bridge
As a result, the eccentric wheel of simulated vertical seismic action is easy in motor rotation because the reasons such as frictional force occur partially in test simultaneously
It moves, so that the simulation degree of vertical seismic action deviates, is unfavorable for improving the accuracy of test result, while in simulation process
In, mechanical transmission member can not add lubricating oil, be easy to cause the damage of gear tooth.
Summary of the invention
The purpose of the present invention is to provide a kind of bridge power high precision testing devices, can effectively solve above-mentioned background skill
It proposes that test device measuring accuracy currently on the market is lower in art, can not accurately record the difference that weight bearing trolley is located at bridge
Simulation test structure at position, while the eccentric wheel of simulated vertical seismic action is easy in motor rotation because of friction in test
The reasons such as power shift, so that the simulation degree of vertical seismic action deviates, are unfavorable for improving the accuracy of test result, together
When in simulation process, mechanical transmission member can not add lubricating oil, the problems such as being easy to cause the damage of gear tooth.
The present invention is implemented as follows:
A kind of bridge power high precision testing device, including a bottom plate, are equipped with motor, one end of motor on bottom plate
Adjustment gear is installed, the side of adjustment gear is equipped with gear frame, the adjusting gear teeth is provided in the middle part of gear frame, in gear frame two
Side offers shifting chute, is equipped with adjustable plate in the side of gear frame；
Supporting lug is provided at position corresponding with shifting chute on bottom plate；
Adjustable plate side is provided with installation cage plate, the side for installing cage plate is provided with mounting ring with holes, mounting ring
Adjusting rod is installed, adjusting rod bottom is equipped with roller, and roller is identical as the upright position of adjustable plate, above installation cage plate in hole
Mounting blocks are installed, a side lower part of mounting blocks is equipped with roller, and controllable register is offered in the middle part of mounting blocks, is opened at the top of mounting blocks
Equipped with mounting groove, bridge model is installed in mounting groove, is connect at the top of adjusting rod with controllable register；
Slideway is offered in the middle part of bridge model, weight bearing trolley is provided in the middle part of slideway, and carrying disk is installed on the trolley that bears a heavy burden.
Further scheme is:
The side of motor is provided with lubricating oil injector, top, which offers, in the middle part of gear frame receives oil groove, receives oil groove bottom
Portion offers inlet opening, and lubricating oil injector lubricates adjustment gear and the adjusting gear teeth by inlet opening to receiving oil groove fuel feeding.
Further scheme is:
The carrying disk is mounted on weight bearing trolley by support column, and the side of support column is equipped with balancing pole, puts down
Marker post is installed in the middle part of weighing apparatus bar, the side that marker post is directed toward is provided with adjusting bracket, the top of adjusting bracket and the end of balancing pole
Portion is provided with scale slot.
Further scheme is:
The adjustable plate is mounted on the side of gear frame by velcro.
Further scheme is:
The bridge model is fixedly connected by flat head screw with mounting blocks.
Further scheme is:
The motor passes through damping base and bottom plate installation connection.
Further scheme is:
The lower outer edge of the mounting blocks is mutually agreed with the inward flange of installation cage plate.
Further scheme is:
Ball is installed at the top of the supporting lug.
Further scheme is:
One middle side part of balancing pole is equipped with traction rope.
Further scheme is:
The bottom plate side is equipped with side plate by hinge, and described side plate one end is equipped with cover board, peace at the top of the cover board
Equipped with padlock, waterproof pad is installed in bottom base plate, is covered with drying sheet in the upper surface of side plate.
Compared with prior art, the invention has the following beneficial effects:
Structure of the invention is scientific and reasonable, safe and convenient to use, is provided with bottom plate, side plate and cover board, is convenient for test member
Storage, avoids humid air and dust from guaranteeing the integrity of each component to the erosion of each component, convenient for being used for multiple times for device；
Provided with gear frame and adjusting rod, mounting blocks can effectively be pushed to move up and down in installation cage plate, because gear frame passes through individually
Motor and adjustment gear are swung, so that the vibration frequency at bridge model both ends is identical when vertical seismic action is simulated, pass through adjusting
Adjustable plate bumps and motor speed, damage of the vertical seismic action of Lai Shixian different frequency to bridge；Provided with balancing pole and adjusting
Frame is moved inside adjusting bracket by balancing pole, can effective stable equilibrium bar and adjusting bracket using the scale slot both opened up
Position, more accurately understand convenient for testing crew bridge different location weight bearing under vertical seismic action bridge damage data；If
Support column and carrying disk are set, convenient for adjusting the weight of weight bearing trolley at any time, it is possible to reduce replacement different weight weight bearing trolley
Time, while being convenient for the placement of balancing pole, the case where avoiding carrying disk from toppling over by balancing pole；Provided with receive oil groove and go out
Fluid apertures can effectively reduce the friction damage of adjustment gear and regulating wheel between cog, guarantee the use that gear frame can be effectively long-term；If
Supporting lug and shifting chute are set, convenient for guaranteeing the stability in adjusting bracket moving process；Provided with adjustable plate and velcro, benefit
The adjustable plate of different bumps can be fixed, effectively with velcro convenient for adjusting the vibration of bridge model and mounting blocks；Provided with ball,
It is easily installed moving up and down for block, reduces mechanical energy because of the friction loss of mounting blocks and installation cage plate.
In terms of comprehensive, the present invention has many advantages, such as that measuring accuracy is high, simulation effect is good, long service life, portable, moisture-proof.
Detailed description of the invention
Fig. 1 is bridge power high precision testing device structural schematic diagram of the present invention；
Fig. 2 is adjusting bracket the schematic diagram of the section structure；
Fig. 3 is a-quadrant structural schematic diagram in Fig. 1；
Fig. 4 is mounting blocks the schematic diagram of the section structure；
Fig. 5 is carrying disk mounting structure schematic diagram；
Figure label: 1, bottom plate；2, side plate；3, cover board；4, padlock；5, lubricating oil injector；6, motor；7, adjusting tooth
Wheel；8, gear frame；9, the gear teeth are adjusted；10, oil groove is received；11, inlet opening；12, shifting chute；13, velcro；14, adjustable plate；15,
Cage plate is installed；16, mounting ring；17, adjusting rod；18, roller；19, mounting blocks；20, roller；21, controllable register；22, mounting groove；
23, bridge model；24, slideway；25, bear a heavy burden trolley；26, support column；27, carrying disk；28, balancing pole；29, marker post；30, it adjusts
Save frame；31, scale slot；32, supporting lug.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figs. 1-5, the present invention provides a kind of technical solution, a kind of bridge power high precision testing device, including bottom
Plate 1, cover board 3, padlock 4, lubricating oil injector 5, motor 6, adjustment gear 7, gear frame 8, adjusts the gear teeth 9, oil groove of receiving at side plate 2
10, inlet opening 11, shifting chute 12, velcro 13, adjustable plate 14, installation cage plate 15, mounting ring 16, adjusting rod 17, roller 18, peace
Fill block 19, roller 20, controllable register 21, mounting groove 22, bridge model 23, slideway 24, weight bearing trolley 25, support column 26, loading
Disk 27, balancing pole 28, marker post 29, adjusting bracket 30, scale slot 31 and supporting lug 32,1 side of bottom are equipped with by hinge
Side plate 2,2 one end of side plate are equipped with cover board 3, and padlock 4 is equipped at the top of cover board 3, lubricating oil injector 5 is provided in the middle part of bottom plate 1,
5 side of lubricating oil injector is equipped with motor 6, and 6 one end of motor is equipped with adjustment gear 7, and 7 side of adjustment gear is equipped with transmission
Frame 8 offers in the middle part of gear frame 8 and adjusts the gear teeth 9, and 8 middle part top of gear frame, which offers, receives oil groove 10, receives 10 bottom of oil groove and opens up
There is inlet opening 11,8 liang of side bottoms of gear frame offer shifting chute 12, and bottom plate 1 offers support at corresponding 12 position of shifting chute
Convex block 32,8 side of gear frame are equipped with velcro 13, and 8 one upper side of gear frame is equipped with adjustable plate 14 by velcro 13, adjust
Section 14 side of plate is provided with installation cage plate 15, and installation 18 side of cage plate is equipped with mounting ring 16, tune is equipped with inside mounting ring 16
Pole 17,17 bottom of adjusting rod are equipped with roller 18, install and are equipped with mounting blocks 19,19 1 side lower part of mounting blocks above cage plate 15
Roller 20 is installed, controllable register 21 is offered in the middle part of mounting blocks 19, mounting groove 22, mounting groove 22 are offered at the top of mounting blocks 21
Inside is equipped with bridge model 23, and slideway 24 is offered in the middle part of bridge model 23, and weight bearing trolley 25 is provided in the middle part of slideway 25, is born
Support column 26 is installed above weight trolley 25, carrying disk 27 is installed at the top of support column 26,26 side of support column is equipped with balance
Bar 28, marker post 29 is equipped in the middle part of balancing pole 28, and 29 side of marker post is provided with adjusting bracket 30, the top peace of adjusting bracket 30
The side of weighing apparatus bar 28 offers scale slot 31.
In order to guarantee that bridge model 23 can be stable is mounted on realization pair inside the mounting groove 22 that 19 top of mounting blocks opens up
The fixation of bridge model 23, in the present embodiment, it is preferred that bridge model 23 is fixedly connected by flat head screw with mounting blocks 19.
In order to avoid the vibration of motor 6 interferes with test result, the vibration for reducing motor 6 is transmitted to bottom plate 1 and bridge mould
In type 23, in the present embodiment, it is preferred that motor 6 passes through damping base and the installation connection of bottom plate 1.
The generation of the case where in order to guarantee to store the drying property inside rear box, avoid each component moisture damage after storing, this
In embodiment, it is preferred that the upper surface of side plate 2 is covered with drying sheet.
In order to guarantee that mounting blocks 19 can be effectively installed to inside installation cage plate 15, enable mounting blocks 19 in installation set
It is moved up and down under the restriction effect of plate 15, avoids bridge model 23 during test from falling, in the present embodiment, preferably
, the lower outer edge of mounting blocks 19 is mutually agreed with the inward flange of installation cage plate 15.
In order to guarantee that gear frame 8 can be moved effectively on supporting lug 32 by shifting chute 12, guarantee that gear frame 8 is moving
Stationarity during dynamic, reduces the frictional force interference mobile to gear frame 8, in the present embodiment, it is preferred that supporting lug 32 pushes up
Portion is equipped with ball.
In order to avoid test desktop has water to topple over the case where causing 1 humidity of bottom plate to be not easy to storage, in the present embodiment,
Preferably, 1 bottom of bottom plate is equipped with waterproof pad.
For the ease of being better understood by the position of weight bearing trolley 25, the test result under different location can be effectively recorded, just
In the accurate test data of testing crew, the present embodiment, it is preferred that be provided with graduation mark at the top of adjusting bracket 30.
For stretchy balancing pole 28, pulls weight bearing trolley 25 mobile by balancing pole 28, be conveniently replaceable weight bearing trolley 25
Position, in the present embodiment, it is preferred that 28 1 middle side part of balancing pole is equipped with traction rope.
The working principle of the invention and process for using are as follows:
Suitable adjustable plate 14 is selected when use, and adjustable plate 14 is mounted on gear frame 8 using velcro 13, makes motor
6 power on, and the adjustment gear 7 of 6 front end of motor installation drives gear frame 8 to be moved by adjusting the gear teeth 9, work as adjustment gear
When 7 gear teeth turn to top, cooperated by the adjusting gear teeth 9 on 8 top of the gear teeth and gear frame of adjustment gear 7, can effectively by
Push gear frame 8 mobile to side, it, can be effective when the adjusting gear teeth 9 of 8 bottom of the gear teeth of adjustment gear 7 and gear frame cooperate
Gear frame 8 is pushed to opposite direction just now, so that gear frame 8 is able to carry out straight line round-trip, the installation of 8 two sides of gear frame
Adjustable plate 14 can effectively push roller 18 mobile according to itself concaveconvex shape, and because roller 18 is mounted on adjusting rod 17
Lower section, so that adjusting rod 17 jacks up controllable register 21 repeatedly upwards, so that mounting blocks 19 can effectively carry out vertical tremor,
Reach simulation vertical seismic action to bridge damnification test request, solves the excitation set at existing test device both ends because of frictional force
Etc. the extraneous factors problem that is easy to cause vibration frequency inconsistent, the support column 26 and carrying disk 27 being arranged on the trolley 25 that bears a heavy burden,
By placing the counterweight of different weight in carrying disk 27, so that the weight of weight bearing trolley 25 can be carried out more detailed adjusting, more
The accurate weight accurately adjusted on bridge model 23, the damage of bridge under different weight can be better understood by convenient for testing crew
Data are moved the weight bearing limit data of bridge damnification convenient for acquisition using balancing pole 28 in adjusting bracket 30 during the test
It is dynamic, it can effectively understand different location weight bearing under earthquake conditions and solve existing test device to the degree of impairment of bridge and be difficult to remember
The problem of record weight bearing trolley 25 is located at bridge different location damage data, marker post 29 can effectively be directed toward the quarter on 30 surface of adjusting bracket
Slot 31 and graduation mark are spent, convenient for balancing pole 28 is fixed on inside adjusting bracket 30 using fixinig plate, acquires phase convenient for testing crew
It closes data and guarantees that the lubricating oil in lubricating oil injector 5 is injected into and receives in the process of running by the stability of weight bearing trolley 25
Inside oil groove 10, lubricating oil can be contacted effectively by inlet opening 11 and adjustment gear 7 gear frame 8 in the process of moving, be kept away
Exempt from the rotation process of adjustment gear 7 and adjust the abrasion of the gear teeth 9, reduce adjustment gear 7 and adjust the damage of the gear teeth 9, guarantees to fill
Each component is stored using the cabinet that side plate 2 and cover board 3 are formed when not in use, avoids dust and humidity by the long-time service set
Erosion of the air to each component, the service life of lifting device.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable embodiment, embodiment of the present invention are not limited by the above embodiments, it should be appreciated that those skilled in the art
Member can be designed that a lot of other modification and implementations, these modifications and implementations will fall in principle disclosed in the present application
Within scope and spirit.
Claims (10)
1. a kind of bridge moving force test device, including a bottom plate (1), it is characterised in that:
It is equipped on bottom plate (1) motor (6), one end of motor (6) is equipped with adjustment gear (7), the side of adjustment gear (7)
It is equipped with gear frame (8), is provided in the middle part of gear frame (8) and adjusts the gear teeth (9), offer shifting chute in gear frame (8) two sides
(12), it is equipped with adjustable plate (14) in the side of gear frame (8), the adjustment gear (7) of motor (6) front end installation passes through regulating wheel
Tooth (9) drives gear frame (8) to be moved；
Supporting lug (32) are provided at position corresponding with shifting chute (12) on bottom plate (1), gear frame (8) can pass through movement
Slot (12) moves on supporting lug (32)；
Adjustable plate (14) side is provided with installation cage plate (15), the side of installation cage plate (15) is provided with mounting ring with holes
(16), be equipped with adjusting rod (17) in the hole of mounting ring (16), adjusting rod (17) bottom is equipped with roller (18), roller (18) with
The upright position of adjustable plate (14) is identical, is equipped with mounting blocks (19) above installation cage plate (15), mounting blocks (19) are in installation set
It is moved up and down in plate (15), a side lower part of mounting blocks (19) is equipped with roller (20), offers adjusting in the middle part of mounting blocks (19)
Baffle (21), mounting blocks (19) top offer mounting groove (22), are equipped with bridge model (23), adjusting rod in mounting groove (22)
Top is connect with controllable register (21)；
It is offered slideway (24) in the middle part of bridge model (23), weight bearing trolley (25) is provided in the middle part of slideway (24), bear a heavy burden trolley
(25) carrying disk (27) are installed on；
The adjustable plate (14) installed on gear frame (8) can effectively push roller (18) mobile according to itself concaveconvex shape, and because
It is mounted below adjusting rod (17) for roller (18), so that adjusting rod (17) jacks up controllable register (21) repeatedly upwards, to make
Obtaining mounting blocks (19) can be carried out vertical tremor.
2. bridge moving force test device according to claim 1, it is characterised in that:
The side of motor (6) is provided with lubricating oil injector (5), top, which offers, in the middle part of the gear frame (8) receives oil groove (10),
Receiving oil groove (10) bottom offers inlet opening (11), and lubricating oil injector (5) passes through inlet opening to receiving oil groove (10) fuel feeding
(11) it lubricates adjustment gear (7) and adjusts the gear teeth (9).
3. bridge moving force test device according to claim 1, it is characterised in that:
The carrying disk (27) is mounted in weight bearing trolley (25) by support column (26), and the side of support column (26) is installed
Have balancing pole (28), marker post (29) are installed in the middle part of balancing pole (28), the side that marker post (29) are directed toward is provided with adjusting
Frame (30), the top of adjusting bracket (30) and the end of balancing pole (28) are provided with scale slot (31).
4. bridge moving force test device according to claim 1, it is characterised in that:
The adjustable plate (14) is mounted on the side of gear frame (8) by velcro (13).
5. bridge moving force test device according to claim 1, it is characterised in that:
The bridge model (23) is fixedly connected by flat head screw with mounting blocks (19).
6. bridge moving force test device according to claim 1, it is characterised in that:
The motor (6) passes through damping base and bottom plate (1) installation connection.
7. bridge moving force test device according to claim 1, it is characterised in that:
The lower outer edge of the mounting blocks (19) is mutually agreed with the inward flange of installation cage plate (15).
8. bridge moving force test device according to claim 1, it is characterised in that:
Ball is installed at the top of the supporting lug (32).
9. bridge moving force test device according to claim 3, it is characterised in that:
(28) one middle side part of balancing pole is equipped with traction rope.
10. bridge moving force test device according to claim 1, it is characterised in that:
Bottom plate (1) side is equipped with side plate (2) by hinge, and described side plate (2) one end is equipped with cover board (3), the lid
Padlock (4) are installed at the top of plate (3), waterproof pad is installed in bottom plate (1) bottom, is covered in the upper surface of side plate (2) dry
Dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094101.4A CN109374245B (en) | 2018-09-19 | 2018-09-19 | A kind of bridge power high precision testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094101.4A CN109374245B (en) | 2018-09-19 | 2018-09-19 | A kind of bridge power high precision testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109374245A CN109374245A (en) | 2019-02-22 |
| CN109374245B true CN109374245B (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811094101.4A Active CN109374245B (en) | 2018-09-19 | 2018-09-19 | A kind of bridge power high precision testing device |
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| CN (1) | CN109374245B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203685A (en) * | 1996-01-26 | 1997-08-05 | Nkk Corp | Model support method in wind tunnel test and apparatus for the method |
| JP2002082014A (en) * | 2000-06-26 | 2002-03-22 | Kitakiyuushiyuu Techno Center:Kk | Device and method of accurately measuring non- stationary aerodynamic |
| CN202853872U (en) * | 2012-11-02 | 2013-04-03 | 西南交通大学 | Bridge railway track five-freedom-degree earthquake simulation vibration device |
| CN203894067U (en) * | 2014-06-13 | 2014-10-22 | 哈尔滨商业大学 | Detection apparatus for structural performance of bridge model |
| CN106404330B (en) * | 2016-08-31 | 2018-08-17 | 上海交通大学 | Bridge structure kinetic test device |
| CN108225704A (en) * | 2018-01-30 | 2018-06-29 | 东南大学 | A kind of combined bridge bridge vibration analog machine |
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2018
- 2018-09-19 CN CN201811094101.4A patent/CN109374245B/en active Active
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