CN206638373U - A kind of photoelastic test load bringing device that can adjust loading frame size - Google Patents
A kind of photoelastic test load bringing device that can adjust loading frame size Download PDFInfo
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- CN206638373U CN206638373U CN201720385348.6U CN201720385348U CN206638373U CN 206638373 U CN206638373 U CN 206638373U CN 201720385348 U CN201720385348 U CN 201720385348U CN 206638373 U CN206638373 U CN 206638373U
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Abstract
The utility model discloses a kind of photoelastic test load bringing device that can adjust loading frame size to include base,Support frame is provided with the upside of base,Support frame side is provided with recording apparatus,Recording apparatus is fixed on pedestal upper end,Pedestal lower end is fixed on the upside of base,Support frame is rectangular frame,Including framework underbeam,The framework upper beam being be arranged in parallel with framework underbeam,And it is separately positioned on framework underbeam and framework upper beam both ends,Two horizontal loading plates are provided between two frame pillars,And horizontal loading plate upper end and framework upper beam vertical connection,Lower end and framework underbeam vertical connection,Vertical loading plate is provided between two horizontal loading plates,Vertical loading plate can move up and down along horizontal loading plate,Horizontal loading plate is connected with one end of horizontal augmentor,The other end of horizontal augmentor is connected with frame pillar,Vertical loading plate is connected with one end of vertical reinforcing structure,The other end of vertical augmentor is connected with framework upper beam.
Description
Technical field
A kind of photoelastic test load bringing device that can adjust loading frame size is the utility model is related to, it is more particularly to flat
The loading of face power simulated ground stress in the photoelastic test of face.
Background technology
Photoelasticity method (photoelasticity), abbreviation photoelastic method, be by optics and mechanics combine closely into
A kind of experimental technique of row stress analysis, is produced using the transparent material with birefringenct property and to be studied object shapes several
What similar model, and make model stressing conditions similar to the load of studied object, the model after stress is placed in polarised light
Among, you can to show the interference fringe image relevant with stress field formed, these stripe patterns and model of formation
The stress of interior point and the border of stress model are relevant, can be in the hope of going out the inside of model and surface according to photoelasticity principle
Each point stress direction, size.
Photoelastic method from 1816 Brewster (Devid Brewster) find the artificial two-fold of transparent amorphous material
Penetrate phenomenon to count, so far the existing history of 200 years.With expanding economy, photoelastic method has become a ripe experiment
Technology, many fields such as Machine Design, water conservancy project building, science of bridge building, house construction are widely used in, it is accurate establishing design
Then, Engineering Reliability is improved, mitigates weight, reduce cost etc. and be also accumulated from many experiences.Photoelastic technique is still continuous
Development, the problems such as with it come the thermal stress of research engineering structure, dynamic stress, plastic-elastic stress, effect, photoelasticity are all obtained
Method is in the application of field of civil engineering, and it is a kind of rapid, accurate to be provided for the field, economical and effective stress analysis method, its
It is strong to be mainly characterized by intuitive, whole audience information can be obtained.By photoelastic test, it can directly determine those shapes and stress is answered
The stress of miscellaneous component, plane problem not only can be accurately analyzed, and can effectively solve the problem that three-dimensional problem, while also can be fast
Speed, stress concentration position is correctly found, determine the factor of stress concentration of component, be optimizing structure design, improve structural behaviour
Test basis is provided.
With being continuously increased for coal mining depth, range and intensity, deep high stress tunnel surrouding rock deformation increase, supporting
Cost is multiplied.The stabilization of deep tunnel large deformation and control, it has also become one of problem that deep Coal Resource Development faces.
The modern support idea summed up according to engineering experience is thought：The stability control in tunnel should suitably allow surrouding rock deformation, and fill
Divide and improve and play country rock itself bearing capacity, the supporting system of coordination mutually, interaction is collectively forming with supporting construction；The branch
Nursing is read and has been widely accepted, and proposes once supporting (anchor pole+spray-up)-can contracting layer (foamed plastics etc. can compression material)-two
The supporting construction forms such as secondary supporting (reinforced concrete structure layer, anchor cable, slip casting, U-shaped steel, W steel bands etc.), for solving deep lane
Road adjoining rock stability sex chromosome mosaicism has obvious effect.Combined for each construction unit in this composite support system or part single
The effect of member, did substantial amounts of physics, numerical value and theoretical research, but there is presently no whole to this composite support system both at home and abroad
Body coupling is studied.
There is provided it is a kind of the plane photoelastic model experiment with bottom arch drift section can be utilized to study the plane strain problems in tunnel,
And three direction force loading devices needed for photoelastic test are designed, realize and progress even distributed force in larger the plane photoelastic model experiment periphery is added
Carry, reach the purpose of simulated ground stress, be a urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of photoelastic test load bringing device that can adjust loading frame size,
To solve the problems mentioned in the above background technology.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of photoelastic test load bringing device that can adjust loading frame size, it is characterised in that：It is described including base
Support frame is provided with the upside of base, support frame side is provided with recording apparatus, and the recording apparatus is fixed on pedestal upper end,
Pedestal lower end is fixed on the upside of base, and the support frame is rectangular frame, including framework underbeam, is be arranged in parallel with framework underbeam
Framework upper beam, and be separately positioned on framework underbeam and framework upper beam both ends, and vertical with framework upper beam solid with framework underbeam
Surely the frame pillar connected, two horizontal loading plates are provided between two frame pillars, horizontal loading plate can be along frame
Frame upper beam direction moves left and right, and horizontal loading plate upper end and framework upper beam vertical connection, lower end and framework underbeam vertical connection,
Vertical loading plate is provided between two horizontal loading plates, the vertical loading plate can move down along horizontal loading plate
Dynamic, the horizontal loading plate is connected with one end of horizontal augmentor, and the other end of horizontal augmentor is connected with frame pillar,
The vertical loading plate is connected with one end of vertical augmentor, and the other end of vertical augmentor is connected with framework upper beam.
Preferably, the framework underbeam is provided with glidepath, is provided with the upside of framework underbeam under lower slider neck and template
Neck, the framework upper beam are provided with slide rail, are provided with slip draw-in groove on loading plate on the downside of framework upper beam, the upper slide rail with
Glidepath is the straight trough mouth structure through support frame front-back, and the frame pillar is provided with by outside on the inside of support frame
The pillar straight trough mouth that side is run through.
Preferably, the horizontal loading plate includes two supporting plates, and clamp, clamp both ends are provided between two supporting plates
Provided with jack, supporting plate is provided with the jack with clamp position correspondence, and both are provided with by plug grafting, the clamp inner side
Neck, the supporting plate are provided with vertical straight notch, and vertical straight notch is located on the outside of clamp, and supporting plate is provided at both ends with positioning and inserted
Hole.
Preferably, sliding plug is distinguished in upper slip draw-in groove, lower slider neck in supporting plate both ends, and supporting plate passes through both ends
Positioning jack and upper slide rail, glidepath sliding plug.
Preferably, the vertical loading plate is provided with horizontal straight trough mouth, is provided with the downside of the vertical loading plate in template
Neck.
Preferably, the support includes inverted V-shaped supporting leg, and inverted V-shaped supporting leg is fixedly connected with telescopic tube, and telescopic tube is with stretching
Contracting bar sliding plug.
Preferably, recording apparatus is video recorder.
The beneficial effects of the utility model are：Stability is good, practical, can well adapt to the reinforcing loading of three directions,
Different size photoelastic test model is adapted to, the fluctuation of model stress striped is convenient when setting recording apparatus convenient to photoelastic test
Record.
Brief description of the drawings
Fig. 1 is a kind of stereochemical structure for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Schematic diagram；
Fig. 2 is a kind of support frame for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Schematic front view；
Fig. 3 is a kind of framework underbeam for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Cross-sectional cut-away schematic diagram；
Fig. 4 is a kind of framework upper beam for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Cross-sectional cut-away schematic diagram；
Fig. 5 is a kind of frame pillar for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Left view schematic diagram；
Fig. 6 is a kind of horizontal loading for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Plate dimensional structure diagram；
Fig. 7 is a kind of horizontal loading for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Plate front schematic view；
Fig. 8 is a kind of vertical loading for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Plate schematic perspective view；
Fig. 9 is a kind of support signal of photoelastic test load bringing device that can adjust loading frame size of the utility model
Figure；
Figure 10 is that a kind of the vertical of photoelastic test load bringing device that can adjust loading frame size of the utility model adds
Power apparatus schematic diagram；
Figure 11 is that a kind of level for the photoelastic test load bringing device that can adjust loading frame size of the utility model adds
Power apparatus schematic diagram；
Figure 12 is a kind of locking dress of photoelastic test load bringing device that can adjust loading frame size of the utility model
Put schematic diagram；
Figure 13 is a kind of water steadying for the photoelastic test load bringing device that can adjust loading frame size of the utility model
Depressor, upper voltage-stablizer put schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1 to figure 13, the utility model provides a kind of photoelastic test load that can adjust loading frame size and applied
Feeder apparatus, including base 1, the upside of base 1 are provided with support frame 7, and the side of support frame 7 is provided with recording apparatus 2, video recording dress
Put and use video recorder, the face that video recorder face support frame is formed, photoelastic model, which is pressurized, when video recorder essential record is tested is
Ripple dynamic, recording apparatus 2 is fixed on the upper end of support 8, and the lower end of support 8 is fixed on the upside of base 1, and support frame 7 is rectangle
Framework, including framework underbeam 71, the framework upper beam 72 being be arranged in parallel with framework underbeam 71, and be separately positioned on framework underbeam with
Framework upper beam both ends, and the frame pillar 73 being fixedly connected vertical with framework upper beam with framework underbeam, two frame pillars (73)
Between be provided with two horizontal loading plates 4, horizontal loading plate 4 can move left and right along framework upper beam direction, and horizontal loading plate 4
Upper end and framework upper beam vertical connection, lower end and framework underbeam vertical connection, horizontal loading plate are directly connected letter with framework upper beam
Internal structure is changed, while has been also convenient for adapting to different size of photoelastic model being tested, set between two horizontal loading plates
There is vertical loading plate 6, vertical loading plate 6 can move up and down along horizontal loading plate, horizontal loading plate and horizontal augmentor 3
One end is connected, and the other end of horizontal augmentor 3 is connected with frame pillar, one end of vertical loading plate and vertical augmentor 5
Connection, the other end of vertical augmentor 5 are connected with framework upper beam.
The framework underbeam 71 is provided with glidepath 711, is provided with the upside of framework underbeam under lower slider neck 712 and template
Neck 713, framework upper beam 72 are provided with slide rail 722, slip draw-in groove 721 on loading plate, upper cunning are provided with the downside of framework upper beam
Rail 722 is provided with by support frame with the straight trough mouth structure that glidepath 711 is through support frame front-back, frame pillar 73
The pillar straight trough mouth 731 that 7 Inside To Outsides run through.
The horizontal loading plate 4 includes two supporting plates 41, and clamp 42, clamp both ends are provided between two supporting plates 41
Provided with jack, supporting plate 41 is provided with the jack with the position correspondence of clamp 42, and both are inserted by plug grafting, clamp with supporting plate
Patch into the photoelastic model that differs of height, when photoelastic model height is to install clamp additional, more and clamp is unloaded when photoelastic model is low, so as to
Moved up and down in vertical loading plate and downward load is applied to photoelastic model, vertical neck 43, vertical neck are provided with the inside of clamp
For clamping photoelastic model, to ensure that photoelastic model is stable, supporting plate is provided with vertical straight notch 47, and vertical straight notch 47 is located at
Straight trough mouth is used to limit vertical loading plate shift position on the outside of clamp, and supporting plate is provided at both ends with positioning jack 44.
Sliding plug is distinguished in upper slip draw-in groove 721, lower slider neck 712 in the both ends of supporting plate 41, and supporting plate is led to
Cross both ends positioning jack 44 and upper slide rail, the sliding plug of glidepath 711.
The vertical loading plate 6 is provided with horizontal straight trough mouth 61, and the vertical downside of loading plate 6 is provided with neck 62 in template,
Neck is used for clamping photoelastic model in template.
The support 8 includes inverted V-shaped supporting leg 83, and inverted V-shaped supporting leg is fixedly connected with telescopic tube 82, and telescopic tube 82 is with stretching
The sliding plug of contracting bar 81, it is easy to be adjusted to suitable height for different models, to facilitate shooting.
The base 1 is quadrilateral frame structure, and the downside of base 1 is provided with four universal wheels 11, and universal wheel is located at base 1
Quadrilateral frame corner, set universal wheel facilitate device to move.
The vertical pressure device 5 includes upper voltage-stablizer 53, is connected on the upside of upper voltage-stablizer with upper one end of pressure inductor 52,
Pressure is sent to external data processing systems and display device by pressure inductor, facilitates the control of data record and reinforcing
System, the upper pressure inductor other end are fixedly connected with upper electrohydraulic cylinder 51, and electrohydraulic cylinder output is stable, and it is accurate to be advantageous to experiment
True property；Horizontal pressure force device includes bearing plate 31, and the side of bearing plate 31 is provided with locating pad 33, locating pad upside and horizontal voltage stabilizing
One end connection of device 32, the horizontal voltage-stablizer other end are connected with one end of horizontal pressure force inductor 34, horizontal pressure force inductor 34
The other end is connected with the one end of horizontal electric hydraulic cylinder 35, and the other end of horizontal electric hydraulic cylinder 35 is fixed on locking device 36, lock
Tight device 36 is connected with frame pillar 73.
The upper voltage-stablizer 53 includes spring 321 with horizontal voltage-stablizer 32, spring can go out in off-load inside photoelastic model
During existing load fluctuation, the substantially constant of loaded load is kept by discharging elastic potential energy, both ends of the spring connection connects a spring cup
322, slide bar 323 passes perpendicularly through two spring cups 322, is slidably connected with two spring cups 322, and slide bar keeps spring cup along slide bar
Direction vertical sliding, reduce spring bending deformation.
Described locking device 36 includes bottom plate 365, is vertically arranged with fixed column 361 on the upside of bottom plate, fixed column both sides are set
Be equipped with two and bottom plate bolt 366 connected vertically, bolt 366 is connected with plate 363, plate be provided with fixed column 361
The through hole of position correspondence, plate upside are provided with nut 362, and nut is connected with bolt, positions top end and electric hydaulic
Device connects, and locating dowel insertion pillar straight trough mouth is slidably connected with frame pillar, and when photoelastic model is larger, height is higher, in order to
It is not skewed to model reinforcing to be lifted up locking device, model center height is mentioned, nut locks plate with bolt
363, plate coordinates clamping frame pillar with bottom plate.
In use, photoelastic model（Mostly epoxy resin sheet material）Adjustment clamp grafting number is kept and model height before installation
Matching, by the photoelastic model clamping present apparatus, it is highly consistent that adjustment locking device highly puts template center, starts recording apparatus, rises
Dynamic electrohydraulic cylinder is further applied load to model.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (2)
- A kind of 1. photoelastic test load bringing device that can adjust loading frame size, it is characterised in that：Including base（1）, institute State base（1）Upside is provided with support frame（7）, support frame（7）Side is provided with recording apparatus（2）, the recording apparatus （2）It is fixed on support（8）Upper end, support（8）Lower end is fixed on base（1）Upside, the support frame（7）For rectangular frame, Including framework underbeam（71）, with framework underbeam（71）The framework upper beam be arrangeding in parallel（72）, and it is separately positioned on framework underbeam With framework upper beam both ends, and the frame pillar being fixedly connected vertical with framework upper beam with framework underbeam（73）, two frameworks Two horizontal loading plates are provided between pillar (73)（4）, horizontal loading plate（4）It can be moved left and right along framework upper beam direction, And horizontal loading plate（4）Upper end and framework upper beam vertical connection, lower end and framework underbeam vertical connection, two horizontal loadings Vertical loading plate is provided between plate（6）, the vertical loading plate（6）It can be moved up and down along horizontal loading plate, the level Loading plate and horizontal augmentor（3）One end connection, horizontal augmentor（3）The other end be connected with frame pillar, it is described Vertical loading plate and vertical augmentor（5）One end connection, vertical augmentor（5）The other end be connected with framework upper beam；The framework underbeam（71）It is provided with glidepath（711）, framework underbeam upside is provided with lower slider neck（712）With template Lower bayonet slot（713）, the framework upper beam（72）It is provided with slide rail（722）, framework upper beam downside, which is provided with loading plate, to be slided Neck（721）, the upper slide rail（722）With glidepath（711）It is the straight trough mouth structure through support frame front-back, it is described Frame pillar（73）It is provided with by support frame（7）The pillar straight trough mouth that Inside To Outside runs through（731）；The horizontal loading plate（4）Including two supporting plates（41）, two supporting plates（41）Between be provided with clamp（42）, clamp Both ends are provided with jack, supporting plate（41）It is provided with and clamp（42）The jack of position correspondence, both pass through plug grafting, the card Vertical neck is provided with the inside of plate（43）, the supporting plate is provided with vertical straight notch（47）, vertical straight notch（47）Positioned at card On the outside of plate, supporting plate is provided at both ends with positioning jack（44）；Supporting plate（41）Sliding plug is distinguished in upper slip draw-in groove in both ends（721）, lower slider neck（712）Interior, supporting plate passes through Both ends positioning jack（44）With upper slide rail, glidepath（711）Sliding plug；The vertical loading plate（6）It is provided with horizontal straight trough mouth（61）, the vertical loading plate（6）Downside, which is provided with template, blocks Groove（62）；The support（8）Including inverted V-shaped supporting leg（83）, inverted V-shaped supporting leg upper end with erect telescopic tube（82）It is fixedly connected, stretches Heat-Shrinkable Tubings（82）With expansion link（81）Sliding plug.
- 2. a kind of photoelastic test load bringing device that can adjust loading frame size according to claim 1, its feature It is：Recording apparatus is video recorder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385348.6U CN206638373U (en) | 2017-04-13 | 2017-04-13 | A kind of photoelastic test load bringing device that can adjust loading frame size |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385348.6U CN206638373U (en) | 2017-04-13 | 2017-04-13 | A kind of photoelastic test load bringing device that can adjust loading frame size |
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| CN206638373U true CN206638373U (en) | 2017-11-14 |
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| CN201720385348.6U Expired - Fee Related CN206638373U (en) | 2017-04-13 | 2017-04-13 | A kind of photoelastic test load bringing device that can adjust loading frame size |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907621A (en) * | 2019-10-24 | 2020-03-24 | 广东工业大学 | Visual foundation load experimental apparatus |
-
2017
- 2017-04-13 CN CN201720385348.6U patent/CN206638373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907621A (en) * | 2019-10-24 | 2020-03-24 | 广东工业大学 | Visual foundation load experimental apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180413 |