CN206095554U - Three orientation equipartitions of photoelastic test power loading device - Google Patents
Three orientation equipartitions of photoelastic test power loading device Download PDFInfo
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- CN206095554U CN206095554U CN201621144342.1U CN201621144342U CN206095554U CN 206095554 U CN206095554 U CN 206095554U CN 201621144342 U CN201621144342 U CN 201621144342U CN 206095554 U CN206095554 U CN 206095554U
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Abstract
The utility model discloses a three orientation equipartitions of photoelastic test power loading device, including the base, set up the reaction frame on the base, the reaction frame on be connected with bottom sprag, bottom sprag is used for placing photoelastic model with dividing the common space that constitutes of lotus load plate device, three orientations divide lotus load plate device all spacing through the locating plate, branch lotus load plate device be connected with universal confining force load mechanism's one end, universal confining force load mechanism's the other end passes through worm wheel lead screw jack device and counter -force frame attach. The utility model discloses a realize three orientations to great plane photoelastic model and divide lotus equipartition power load, to having the undulant photoelastic model of load taking place, have the effect that loading power direction self -adjusting and loading were tried hard to keep and is held, supports the numerical value of sensor output load, simple structure, convenient operation.
Description
Technical field
The utility model is related to a kind of direction even distributed force charger of photoelastic test three, more particularly in plane photoelastic test
The uniform loading of face power simulated ground stress.
Background technology
With being continuously increased for coal mining depth, range and intensity, deep high stress tunnel surrouding rock deformation increase, supporting
Cost is multiplied.The stable and control of deep tunnel large deformation, it has also become one of difficult problem that deep Coal Resource Development faces.
Thought according to the modern support idea that engineering experience is summed up：The stability control in tunnel should suitably allow surrouding rock deformation, and fill
Divide and improve and play country rock itself bearing capacity, with supporting construction coordination, synergistic supporting system mutually are collectively forming；This
Nursing is read and is 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 solution deep lane
Road adjoining rock stability sex chromosome mosaicism has obvious effect.For each construction unit in this composite support system or part combine single
The effect of unit, did both at home and abroad substantial amounts of physics, numerical value and theoretical research, but there is presently no whole to this composite support system
Body coupling is studied.
Offer is a kind of can be utilized the plane photoelastic model experiment with bottom arch drift section to study the plane strain problems in tunnel,
And three direction even distributed force chargers needed for photoelastic test are designed, realize is carried out uniformly to larger the plane photoelastic model experiment periphery
Power is loaded, and reaches the purpose of simulated ground stress, has been a urgent problem.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model to provide a kind of for breaking using band bottom arch tunnel
The plane photoelastic model experiment in face devises three direction even distributed forces needed for a kind of photoelastic test studying the plane strain problems in tunnel
Charger, realize carries out even distributed force loading to larger the plane photoelastic model experiment periphery, reaches the purpose of simulated ground stress.
What the purpose of this utility model was realized in：
A kind of direction even distributed force charger of photoelastic test three, including base 1, the reaction frame 2 being arranged on base 1,
The bottom of described reaction frame 2 is connected with bottom and supports 12, and bottom supports 12 to use with the space that point lotus load plate is collectively formed
In photoelastic model is placed, a described point lotus load plate is connected with one end of universal confining force load maintainer, universal confining force loading
The other end of mechanism is connected by Screw of Worm Gear jack device with reaction frame 2；
Described base 1 includes two base crossbeams 14 be arrangeding in parallel, and vertical fixed with two base crossbeams 14
The base support beam 15 of connection；Described base support beam 15 is fixed with base crossbeam 14 by the way that bolt is vertical, base support beam
15 two ends are respectively arranged with burr adjustable tail margin cup 13；
Described reaction frame 2 is rectangular frame, including framework underbeam 21, on the framework be arrangeding in parallel with framework underbeam 21
Beam 24, and framework underbeam 21 and the two ends of framework upper beam 24 are separately positioned on, and it is vertical with framework upper beam 24 with framework underbeam 21
The upright of frame 23 of connection；Four angles of described reaction frame 2 have been arranged in pairs respectively angle connecting plate 25, under described two
The angle connecting plate 25 at end is bolted upright of frame 23 and framework underbeam 21, and two angle connecting plates 25 of upper end pass through bolt
Connection framework column 23 and framework upper beam 24；
The bottom welding of described framework underbeam 21 has one group of connecting plate 22 vertical with framework underbeam 21；
The lower section of described framework upper beam 24 is connected with one group of location-plate suspension bracket 26, the upper end of described location-plate suspension bracket 26
Fixed with framework upper beam 24 by bolt, lower end is used to limit the position of point lotus load plate；
The top of described framework underbeam 21 has been bolted bottom and has supported 12, and described bottom supports 12 top
Trapezoidal fluting is provided with, two ends are provided with the location-plate of connection point lotus load plate；
A described point lotus loading panel assembly includes that the Vertical Square being arranged in parallel divides to the left lotus load plate 9, right point of lotus load plate
11 and upper point lotus load plate 10 for placing of upper level, it is spacing that three pieces of point lotus load plates pass through location-plate suspension bracket 26.
Described universal confining force load maintainer includes the universal confining force load maintainer that three directions are arranged, respectively left
Universal confining force load maintainer 7, right universal confining force load maintainer 6 and upper universal confining force load maintainer 8；Described worm gear silk
Thick stick jack device includes left Screw of Worm Gear jack device 5, right Screw of Worm Gear jack device 3 and upper Screw of Worm Gear jack
Device 4；The left end of described left universal confining force load maintainer 7 is by left Screw of Worm Gear jack device 5 and upright of frame 23
It is fixed, left point of lotus load plate 9 of right-hand member connection；The left end of described right universal confining force load maintainer 6 and right point of lotus load plate 11
Connection, right-hand member is fixed by right Screw of Worm Gear jack device 3 and upright of frame 23；Described upper universal confining force load maintainer
8 lower end is fixed with upper point lotus load plate 10, and upper end is fixed by upper Screw of Worm Gear jack device 4 and framework upper beam 24；
Described universal confining force load maintainer includes threaded connector 61, and the pressure being connected with threaded connector 61 is passed
Sensor 62, one end of described pull pressure sensor 62 connecting spring and guider 63 simultaneously, spring and guider 63
Other end connection cross pin universal joint 64；
A described left side point lotus load plate 9, right point of lotus load plate 11 and upper point of lotus load plate 10 include respectively both sides restraining plate
91, the restraining plate support block 96 being arranged in the middle of the two ends of both sides restraining plate 91；Described both sides restraining plate 91 is supported with restraining plate
The middle setting of block 96 has pressure beam 92, and the lower section of the beam 92 that presses is disposed with two points of points of lotus blocks, 93, four points of points of lotus blocks 94 and eight
Divide lotus block 95；Described two points of points of lotus blocks, 93, four points of points of lotus blocks 94 and eight points of points of lotus blocks 95 pass through to be set on both sides restraining plate 91
Pin is worn in the elongated hole put and realizes positioning.
Positive beneficial effect:The utility model is added by realizing three directions point lotus even distributed force to larger the plane photoelastic model experiment
Carry；For there is the photoelastic model that load fluctuation occurs, with the effect that loading force direction self-adjusting and loading force keep, support to pass
The numerical value of sensor output loads；Simple structure, it is easy to operate.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of base of the present utility model；
Fig. 3 is the structural representation of reaction frame of the present utility model；
Fig. 4 is the structural representation of universal confining force load maintainer of the present utility model；
Fig. 5 is the structural representation that of the present utility model point of lotus load plate is decomposed；
It is in figure：Base 1, reaction frame 2, right Screw of Worm Gear jack device 3, upper Screw of Worm Gear jack device 4, a left side
Screw of Worm Gear jack device 5, right universal confining force load maintainer 6, left universal confining force load maintainer 7, upper universal confining force
Load maintainer 8, a left side divide lotus load plate 9, above divide lotus load plate 10, right point of lotus load plate 11, bottom to support 12, burr adjustable tail margin cup
13rd, base crossbeam 14, base support beam 15, underbeam 21, connecting plate 22, upright of frame 23, framework upper beam 24, angle connecting plate 25,
Location-plate suspension bracket 26, threaded connector 61, pull pressure sensor 62, guider 63, cross pin universal joint 64, both sides restraining plate
91st, press 92, two points points of beam 93, four points points of lotus block lotus block 94, eight points of points of lotus blocks 95, restraining plate support blocks 96.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described further：
A kind of direction even distributed force charger of photoelastic test three, including base 1, the reaction frame 2 being arranged on base 1,
The bottom of described reaction frame 2 is connected with bottom and supports 12, and bottom supports 12 to use with the space that point lotus load plate is collectively formed
In photoelastic model is placed, a described point lotus load plate is connected with one end of universal confining force load maintainer, universal confining force loading
The other end of mechanism is connected by Screw of Worm Gear jack device with reaction frame 2；
Described base 1 includes two base crossbeams 14 be arrangeding in parallel, and vertical fixed with two base crossbeams 14
The base support beam 15 of connection；Described base support beam 15 is fixed with base crossbeam 14 by the way that bolt is vertical, base support beam
15 two ends are respectively arranged with burr adjustable tail margin cup 13；Burr adjustable tail margin cup 13, base crossbeam 14 and the part of base support beam 15 3 lead to
Cross bolt connection composition, the placement and leveling for device on experimental bench.
Described reaction frame 2 is rectangular frame, including framework underbeam 21, on the framework be arrangeding in parallel with framework underbeam 21
Beam 24, and framework underbeam 21 and the two ends of framework upper beam 24 are separately positioned on, and it is vertical with framework upper beam 24 with framework underbeam 21
The upright of frame 23 of connection；Four angles of described reaction frame 2 have been arranged in pairs respectively angle connecting plate 25, under described two
The angle connecting plate 25 at end is bolted upright of frame 23 and framework underbeam 21, and two angle connecting plates 25 of upper end pass through bolt
Connection framework column 23 and framework upper beam 24；
The bottom welding of described framework underbeam 21 has one group of connecting plate 22 vertical with framework underbeam 21, described counter-force
Framework each several part is mainly bolted, and connecting plate 22 is connected with framework underbeam 21 using welding method；Reaction frame is used for
Reaction force during loading is provided.
The lower section of described framework upper beam 24 is connected with one group of location-plate suspension bracket 26, the upper end of described location-plate suspension bracket 26
Fixed with framework upper beam 24 by bolt, lower end is used to limit the position of point lotus load plate；
The top of described framework underbeam 21 has been bolted bottom and has supported 12, and described bottom supports 12 top
Trapezoidal fluting is provided with, places and support photoelastic model, two ends to be provided with and limit point lotus load plate setting position for positioning
Location-plate；
Described point of lotus loading panel assembly include parallel Vertical Square divide to the left lotus load plate 9, it is right divide lotus load plate 11 with
And upper point lotus load plate 10 that upper level is placed, it is spacing that three pieces of point lotus load plates pass through location-plate suspension bracket 26.
Described universal confining force load maintainer includes the universal confining force load maintainer that three directions are arranged, respectively left
Universal confining force load maintainer 7, right universal confining force load maintainer 6 and upper universal confining force load maintainer 8；Described worm gear silk
Thick stick jack device includes left Screw of Worm Gear jack device 5, right Screw of Worm Gear jack device 3 and upper Screw of Worm Gear jack
Device 4；The left end of described left universal confining force load maintainer 7 is by left Screw of Worm Gear jack device 5 and upright of frame 23
It is fixed, left point of lotus load plate 9 of right-hand member connection；The right-hand member of described right universal confining force load maintainer 6 and right point of lotus load plate 11
Connection, left end is fixed by right Screw of Worm Gear jack device 3 and upright of frame 23；Described upper universal confining force load maintainer
8 lower end is fixed with upper point lotus load plate 10, and upper end is fixed by upper Screw of Worm Gear jack device 4 and framework upper beam 24；
Described universal confining force load maintainer includes threaded connector 61, and the pressure being connected with threaded connector 61 is passed
Sensor 62, one end of described pull pressure sensor 62 connecting spring and guider 63 simultaneously, spring and guider 63
Other end connection cross pin universal joint 64；Wherein pull pressure sensor is used for the size of control load, and spring and guider can
With when load fluctuation occurs in off-load inside photoelastic model, the substantially constant of loaded load is kept by discharging elastic potential energy, ten thousand
Loading direction realizes self-adjusting after to section loading surface being made to contact with photoelastic model, it is ensured that loading direction is accurate.
A described left side point lotus load plate 9, right point of lotus load plate 11 and upper point of lotus load plate 10 include respectively both sides restraining plate
91, the restraining plate support block 96 being arranged in the middle of the two ends of both sides restraining plate 91；Described both sides restraining plate 91 is supported with restraining plate
The middle setting of block 96 has pressure beam 92, and the lower section of the beam 92 that presses is disposed with two points of points of lotus blocks, 93, four points of points of lotus blocks 94 and eight
Divide lotus block 95；Described two points of points of lotus blocks, 93, four points of points of lotus blocks 94 and eight points of points of lotus blocks 95 pass through to be set on both sides restraining plate 91
Pin is worn in the elongated hole put and realizes positioning；Per block, point lotus block coordinates positioning by pin with the elongated hole on the restraining plate of both sides, and a point lotus adds
Support plate passes through the border for dividing lotus that photoelastic model is transferred to after load is divided equally step by step, realizes the applying of uniform permanent load.
When using, after the photoelastic model made is arranged on charger, you can start to load photoelastic model.
Loading method：By photoelastic model be placed on bottom support it is upper after, adjust each point of lotus load plate by rotating handwheel
Position, makes photoelastic model fixed on charger.According to the size of the loaded load for calculating, rotating handwheel makes Screw of Worm Gear
Jack stretches out, and compresses the big of the load value control load that photoelastic model is loaded and exported according to pull pressure sensor
It is little.
Due to the physical dimension for testing used photoelastic model it is larger, be epoxy resin sheet material, and in the mistake of experiment
Need to simulate unloading process inside photoelastic model in journey, fluctuation occurs in load, the substantially constant of load need to be kept while loading.
The device provides loading force by being arranged in three Screw of Worm Gear jack of different directions on reaction frame, when forward and reverse rotation
During jack handwheel, leading screw can retreat accordingly movement, thus produce loading force.Leading screw end is connected with pull pressure sensor,
Again by spring, universal joint by load transmission to a lotus load plate is divided, point lotus load plate by dividing lotus to divide equally load step by step
The border of photoelastic model is transferred to afterwards, realizes the applying of uniform permanent load.Bottom is arranged in lower frame to support for photoelastic
The placement of model and positioning.
The utility model is by realizing three directions point lotus even distributed force loading to larger the plane photoelastic model experiment；For carrying
The photoelastic model of lotus fluctuation, with the effect that loading force direction self-adjusting and loading force keep, supports sensor output loads
Numerical value；Simple structure, it is easy to operate.
Above case study on implementation is merely to illustrate preferred embodiment of the present utility model, but the utility model is not limited to
State embodiment, in the ken that the field those of ordinary skill possesses, it is of the present utility model spirit and principle it
Interior made any modification, equivalent substitute and improvement etc., are regarded as the protection domain of the application.
Claims (10)
1. the direction even distributed force charger of a kind of photoelastic test three, it is characterised in that：Including base, the counter-force being arranged on base
Framework, the bottom of described reaction frame is connected with bottom support, and bottom supports the space collectively formed with point lotus load plate to use
In photoelastic model is placed, a described point lotus load plate is connected with one end of universal confining force load maintainer, universal confining force loading
The other end of mechanism is connected by Screw of Worm Gear jack device with reaction frame.
2. the direction even distributed force charger of a kind of photoelastic test according to claim 1 three, it is characterised in that：Described bottom
Seat includes two base crossbeams be arrangeding in parallel, and the base support beam being fixedly connected with two foundation seat beam verticals；It is described
Base support beam and base crossbeam fix by the way that bolt is vertical, the two ends of base support beam are respectively arranged with burr adjustable tail margin cup.
3. the direction even distributed force charger of a kind of photoelastic test according to claim 1 three, it is characterised in that：Described is anti-
Power framework is rectangular frame, including framework underbeam, the framework upper beam be arrangeding in parallel with framework underbeam, and is separately positioned on framework
Underbeam and framework upper beam two ends, and with framework underbeam and framework upper beam upright of frame connected vertically；
Four angles of described reaction frame have been arranged in pairs respectively angle connecting plate, and the angle connecting plate of two described lower ends passes through
Bolt connection frame column and framework underbeam, two angle connecting plates of upper end are bolted upright of frame and framework upper beam.
4. the direction even distributed force charger of a kind of photoelastic test according to claim 3 three, it is characterised in that：Described frame
The bottom welding of frame underbeam has one group of connecting plate vertical with framework underbeam.
5. the direction even distributed force charger of a kind of photoelastic test according to claim 3 three, it is characterised in that：Described frame
One group of location-plate suspension bracket is connected with below frame upper beam, the upper end of described location-plate suspension bracket passes through bolt and framework upper beam
Fixed, lower end is used to limit the position of point lotus load plate.
6. the direction even distributed force charger of a kind of photoelastic test three according to claim 3 or 4, it is characterised in that：It is described
Framework underbeam supported with the bottom that is positioned above by bolt and be connected, the top of described bottom support is provided with trapezoidal opening
Groove, two ends are provided with the location-plate for limiting point load panel assembly.
7. the direction even distributed force charger of a kind of photoelastic test according to claim 1 three, it is characterised in that：Described divides
Lotus loading panel assembly include that parallel Vertical Square divides to the left that lotus load plate, right point of lotus load plate and upper level place upper point
Lotus load plate, three pieces of points of lotus load plates are spacing by location-plate suspension bracket.
8. the direction even distributed force charger of a kind of photoelastic test according to claim 1 three, it is characterised in that：Described ten thousand
Include the universal confining force load maintainer that three directions are arranged to confining force load maintainer, respectively left universal confining force adds carrier aircraft
Structure, right universal confining force load maintainer and upper universal confining force load maintainer；Described Screw of Worm Gear jack device includes a left side
Screw of Worm Gear jack device, right Screw of Worm Gear jack device and upper Screw of Worm Gear jack device；Described left universal guarantor
The left end of holding force load maintainer is fixed by left Screw of Worm Gear jack device with upright of frame, left point of lotus loading of right-hand member connection
Plate；The left end of described right universal confining force load maintainer is connected with a right point lotus load plate, and right-hand member is very heavy by right Screw of Worm Gear
Ejection device is fixed with upright of frame；The lower end of described upper universal confining force load maintainer is fixed with upper point lotus load plate, upper end
Fixed by upper Screw of Worm Gear jack device and framework upper beam.
9. the direction even distributed force charger of a kind of photoelastic test three according to claim 1 or 8, it is characterised in that：It is described
Universal confining force load maintainer include threaded connector, the pull pressure sensor being connected with threaded connector, described tension and compression
Force snesor is while the other end connection cross pin universal joint of one end of connecting spring and guider, spring and guider.
10. the direction even distributed force charger of a kind of photoelastic test according to claim 7 three, it is characterised in that：Described
A left side point lotus load plate, right point of lotus load plate and upper point of lotus load plate include respectively both sides restraining plate, are arranged on both sides restraining plate two
Restraining plate support block in the middle of end；Described both sides restraining plate has pressure beam with restraining plate support block middle setting, and press beam
Lower section is disposed with two points of points of lotus blocks, four points of points of lotus blocks and eight points of points of lotus blocks；Described two points of points of lotus blocks, four points of points of lotus blocks and
Eight points of points of lotus blocks realize positioning by wearing pin in the elongated hole of setting on the restraining plate of both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144342.1U CN206095554U (en) | 2016-10-20 | 2016-10-20 | Three orientation equipartitions of photoelastic test power loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144342.1U CN206095554U (en) | 2016-10-20 | 2016-10-20 | Three orientation equipartitions of photoelastic test power loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095554U true CN206095554U (en) | 2017-04-12 |
Family
ID=58484758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144342.1U Withdrawn - After Issue CN206095554U (en) | 2016-10-20 | 2016-10-20 | Three orientation equipartitions of photoelastic test power loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353056A (en) * | 2016-10-20 | 2017-01-25 | 河南理工大学 | Photoelastic test three-directional uniformly-distributed force loading device |
| CN112229736A (en) * | 2020-12-14 | 2021-01-15 | 西南交通大学 | Wheel-rail force calibration device, method and system |
-
2016
- 2016-10-20 CN CN201621144342.1U patent/CN206095554U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353056A (en) * | 2016-10-20 | 2017-01-25 | 河南理工大学 | Photoelastic test three-directional uniformly-distributed force loading device |
| CN112229736A (en) * | 2020-12-14 | 2021-01-15 | 西南交通大学 | Wheel-rail force calibration device, method and system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180605 |