CN207937288U - Mobile portable formula drawing boxshear apparatus - Google Patents
Mobile portable formula drawing boxshear apparatus Download PDFInfo
- Publication number
- CN207937288U CN207937288U CN201820461488.1U CN201820461488U CN207937288U CN 207937288 U CN207937288 U CN 207937288U CN 201820461488 U CN201820461488 U CN 201820461488U CN 207937288 U CN207937288 U CN 207937288U
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- support
- mobile portable
- boxshear apparatus
- portable formula
- support plate
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Abstract
The utility model discloses a kind of Mobile portable formula drawing boxshear apparatus, including holder and sleeve assembly, it is provided with support platform and reaction support on the holder, it is provided with drawing head in the support platform, the reaction support side is provided with support plate, the support plate is connect by dynamometry component and power charging assembly with reaction support, the drawing head is connect by the steel wire rope with hook with support plate, the sleeve assembly includes quill and fixes sleeve, the quill is connected with support plate, and the fixes sleeve is fixedly connected with holder.The drawing boxshear apparatus of the structure, can synthesis measuring test specimen vertical vertical strain when maximum layers cementing power and structure sheaf interlaminar shear stress, it is simple in structure, it is easy to carry, it is easy to operate, measure it is reliable, be suitble to indoors scene sample is detected.
Description
Technical field
The utility model is related to road engineering testing equipment fields, and in particular to a kind of Mobile portable formula drawing boxshear apparatus.
It is mainly used for shear stress and road surface each interlayer of each interlayer in road engineering room or on-the-spot test road surface under horizontal thrust effect
Maximum interlayer adhesion in vertical vertical strain, it is especially suitable measure bituminous paving sealing or face layer by layer between shear stress and
Pulling capacity can also measure the shear stress and pulling capacity of cement concrete pavement separation layer.
Background technology
The reason of bituminous paving destroys mainly road surface is in use by the vertical and horizontal direction of surface vehicle
Stress, the interlayer contact quality between asphalt surface course and semi-rigid type base is influenced, to influence the service life of road.Pass through
Drawing shearing experiment can effectively detect shearing force and drawing that pavement asphalt face layer can bear with semi-rigid type base
Power, to obtain the contact quality between asphalt surface course and semi-rigid type base.During use, the vehicle of traveling is or not road surface
Only can road pavement generate vertical stress, also can road pavement generate larger shear stress, and this strand of shear stress is merely able to by drip
Frictional force and bitumen layer between the two between green face layer and semi-rigid type base are born.If combination between the two is not
It is good, then can road pavement quality cause tremendous influence, so measuring surface layer by layer between shear stress be very it is necessary to.Road surface exists
During use, equally road surface can be made to fall off because of the effect of the power between tire and road surface, influence the longevity on road surface
Life.And existing drawing instrument and boxshear apparatus all exist complicated, device is larger, inconvenient to carry, inconvenience complicated for operation, and standard is not
A series of disadvantages such as unified.
Utility model content
For existing interlayer shear instrument, the defect of drawing instrument inconvenience site operation detection and the acceptance of work, this practicality
Novel is designed to provide a kind of suitable Mobile portable formula drawing boxshear apparatus that scene is detected sample indoors.
The utility model is solved the above problems by following technological means:A kind of Mobile portable formula drawing boxshear apparatus, including
Holder and sleeve assembly are provided with support platform and reaction support on the holder, drawing head are provided in the support platform,
The reaction support side is provided with support plate, and the support plate is connected by dynamometry component and power charging assembly with reaction support
It connects, the drawing head is connect by the steel wire rope with hook with support plate, and the sleeve assembly includes quill and fixing sleeve
Cylinder, the quill are connected with support plate, and the fixes sleeve is fixedly connected with holder.
Further, the power charging assembly is hydraulic jack.
Further, the dynamometry component includes NOL ring, amesdial and oil pressure gauge.
Further, the quill and fixes sleeve are the structure of square-outside and round-inside.
Further, the quill and fixes sleeve are coaxially arranged.
Further, the support platform and reaction support are detachably connected by bolt and holder.
Further, the height and position opposite brackets of the reaction support are adjustable.
The beneficial effects of the utility model:
1) instrument is influenced small by test specimen size, can adjust the position of reaction support at random to adapt to different examinations
Part, and it is easy to carry, it is applied widely.
2) hydraulic jack and NOL ring are used, horizontal thrust or vertical drawing are applied by single-acting hydraulic formula jack
Power, maximum horizontal thrust when can obtain failure by shear and maximum pull, and can be tested in any environment;
3) laboratory apparatus convenient and energy-saving is environment friendly and pollution-free, and testing expense is low, largely uses manpower and material resources sparingly.
From the above mentioned, the Mobile portable formula drawing boxshear apparatus of the utility model effectively reduces the cost of experiment or test,
And it is easy to operate, easy to carry, facilitate construction detection and the acceptance of work, suitable for measuring various indoor and outdoor road surface structare layer interlayers
Shear stress and pulling force.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram that the utility model measures pulling capacity state;
Fig. 2 is the structural schematic diagram that the utility model measures shearing force state.
Figure label:1- holders, 21- support platforms, 22- reaction supports, 23- rack side walls, 3- power charging assemblies, 4- are surveyed
Power component, 5- steel wire ropes, 6- hooks, 7- drawing heads, 8- support plates, 9- sleeve assemblies, 10- quills, 11- fixes sleeves.
Specific implementation mode
The utility model is described in detail below with reference to attached drawing, as shown in Figs. 1-2:A kind of Mobile portable formula drawing
Boxshear apparatus, including holder 1, support platform 21, reaction support 22, power charging assembly 3, dynamometry component 4, steel wire rope 5, hook 6, drawing
Plug 7, support plate 8 and sleeve assembly 9, the holder are welded by steel plate, and the support platform and reaction support pass through
Bolt is detachably connected with holder, the varying height positions of reaction support, and the mode adjusted is varied, such as in holder upper edge
Short transverse opens up multilayer card slot, and reaction support and the card slot of different height position are clamped, you can realize reaction support height position
The adjusting set expands its accommodation to adapt to different test specimens, and the power charging assembly is arranged on reaction support, power
Charging assembly selects hydraulic jack, the support plate to apply external force, support plate and fluid pressure type thousand by hydraulic jack
Jin is provided with dynamometry component between top, and the dynamometry component includes that NOL ring, amesdial and oil pressure gauge are answered during dynamometry
Power ring generates stress deformation, and amesdial and oil pressure gauge combine the size for reading power, during the test, using fluid pressure type thousand
Jin top and NOL ring apply horizontal thrust or vertical pulling force, when can obtain failure by shear by single-acting hydraulic formula jack
Maximum horizontal thrust and maximum pull, and can be tested in any environment;The steel wire rope connects with support plate
It connects, the hook is connect with steel wire rope, and hook is mounted with drawing head, and the sleeve assembly includes quill 10 and fixes sleeve
11, the quill and support plate connect, and the fixes sleeve is fixedly connected with rack side wall 23, quill with consolidate
Determine that sleeve is coaxially arranged, quill and fixes sleeve are that the structure of square-outside and round-inside is convenient for sleeve assembly during force
It is fitted closely with support plate.
To keep above-mentioned technical proposal clearer, the continuous mode to test specimen pulling capacity and shearing force is described in detail below.
When measuring the pulling capacity of test specimen, the drawing boxshear apparatus of the application is arranged as shown in Figure 1, is specifically comprised the following steps:
(1) in determining test zone, two structure sheafs to be measured are pierced using corning machine, pierce position in lower structure layer (matrix)
Set sampling;Drawing head is identical with drill core diameter;Such as when detection tar seal and the bond stress of base, matrix is base;Inspection
When the pull strength of survey bridge deck water-proof tack coat and concrete pavement layer, matrix is Deck concrete pavement layer;(2) assembling is fixed
Good reaction support installs drawing head and power charging assembly, dynamometry component, and makes power charging assembly, drawing head and survey as possible
Power component center is point-blank;(3) steel wire rope is fixed in support plate, and steel wire rope is connected on hook;(4) will
The sampling test specimen lower surface for being adhesive in drawing head keeps contacting for the two close and firm, test specimen also solid with support platform
Fixed connection;(5) pulling capacity, numerical value when record test specimen disconnects on dynamometry component are applied to test specimen by power charging assembly;(6) clear
Platform after reason experiment and the test specimen after destruction.
When measuring the shearing force of test specimen, the drawing boxshear apparatus of the application is arranged as shown in Figure 2, is specifically comprised the following steps:
(1) in determining test zone, two structure sheafs to be measured are pierced using corning machine, pierce position in lower structure layer (matrix)
Set sampling;Drawing head is identical with drill core diameter;Such as when detection tar seal and the bond stress of base, matrix is base;Inspection
When the pull strength of survey bridge deck water-proof tack coat and concrete pavement layer, matrix is Deck concrete pavement layer;(2) assembling is fixed
Power charging assembly and dynamometry component are mounted on reaction support, and make capable charging assembly and dynamometry component by good reaction support
It is as coaxially arranged as possible, lower sleeve is fixed on to the suitable position of rack side wall.Sampled core is put into lower sleeve and is fixed, it will
Upper bush is sleeved on the top half of sample core;(3) by the horizontal shear force suffered by power charging assembly simulated roadway, it is broken to read test specimen
Reading when bad on dynamometry component, and recorded;(4) platform after cleaning experiment and the test specimen after destruction.
From the above mentioned, the Mobile portable formula drawing boxshear apparatus of the utility model effectively reduces the cost of experiment or test,
And it is easy to operate, easy to carry, facilitate construction detection and the acceptance of work, suitable for measuring various indoor and outdoor road surface structare layer interlayers
Shear stress and pulling force.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (7)
1. a kind of Mobile portable formula drawing boxshear apparatus, it is characterised in that:Including holder and sleeve assembly, it is provided on the holder
Support platform and reaction support are provided with drawing head in the support platform, and the reaction support side is provided with support plate, institute
Support plate is stated to connect with reaction support by dynamometry component and power charging assembly, the drawing head by with hook steel wire rope with
Support plate connects, and the sleeve assembly includes quill and fixes sleeve, and the quill is connected with support plate, institute
Fixes sleeve is stated to be fixedly connected with holder.
2. Mobile portable formula drawing boxshear apparatus according to claim 1, it is characterised in that:The power charging assembly is hydraulic pressure
Formula jack.
3. Mobile portable formula drawing boxshear apparatus according to claim 2, it is characterised in that:The dynamometry component includes stress
Ring, amesdial and oil pressure gauge.
4. the Mobile portable formula drawing boxshear apparatus according to claim 1-3 any one, it is characterised in that:The movable sleeve
Cylinder and fixes sleeve are the structure of square-outside and round-inside.
5. Mobile portable formula drawing boxshear apparatus according to claim 4, it is characterised in that:The quill and fixing sleeve
Cylinder is coaxially arranged.
6. Mobile portable formula drawing boxshear apparatus according to claim 5, it is characterised in that:The support platform and counter-force branch
Seat is detachably connected by bolt and holder.
7. Mobile portable formula drawing boxshear apparatus according to claim 6, it is characterised in that:The height position of the reaction support
It is adjustable to set opposite brackets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820461488.1U CN207937288U (en) | 2018-04-03 | 2018-04-03 | Mobile portable formula drawing boxshear apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820461488.1U CN207937288U (en) | 2018-04-03 | 2018-04-03 | Mobile portable formula drawing boxshear apparatus |
Publications (1)
Publication Number | Publication Date |
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CN207937288U true CN207937288U (en) | 2018-10-02 |
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ID=63656556
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CN201820461488.1U Expired - Fee Related CN207937288U (en) | 2018-04-03 | 2018-04-03 | Mobile portable formula drawing boxshear apparatus |
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CN (1) | CN207937288U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109596426A (en) * | 2019-01-21 | 2019-04-09 | 广西交通职业技术学院 | Asphalt material tension shear strength test device |
CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
CN113959865A (en) * | 2021-09-25 | 2022-01-21 | 浙江省浙南综合工程勘察测绘院有限公司 | Portable field rock soil shear test equipment |
-
2018
- 2018-04-03 CN CN201820461488.1U patent/CN207937288U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109596426A (en) * | 2019-01-21 | 2019-04-09 | 广西交通职业技术学院 | Asphalt material tension shear strength test device |
CN109596426B (en) * | 2019-01-21 | 2024-02-06 | 广西交通职业技术学院 | Asphalt material tensile shear strength test device |
CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
CN113959865A (en) * | 2021-09-25 | 2022-01-21 | 浙江省浙南综合工程勘察测绘院有限公司 | Portable field rock soil shear test equipment |
CN113959865B (en) * | 2021-09-25 | 2024-04-16 | 浙江省浙南综合工程勘察测绘院有限公司 | Portable field rock-soil shear test equipment |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20190403 |
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CF01 | Termination of patent right due to non-payment of annual fee |