CN107589015A - A kind of geosynthetics stretching or drawing test clamp device - Google Patents
A kind of geosynthetics stretching or drawing test clamp device Download PDFInfo
- Publication number
- CN107589015A CN107589015A CN201710574436.5A CN201710574436A CN107589015A CN 107589015 A CN107589015 A CN 107589015A CN 201710574436 A CN201710574436 A CN 201710574436A CN 107589015 A CN107589015 A CN 107589015A
- Authority
- CN
- China
- Prior art keywords
- geosynthetics
- telescoping mechanism
- plate clamp
- clamp
- cross beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000007586 pull-out test Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of stretching of geosynthetics or drawing test clamp device, including top movable crossbeam, bottom fixed cross beam, vertical fixed push-and-pull rod, upper plate clamp, lower plate clamp, the outside telescoping mechanism and internal telescoping mechanism being connected with control unit, lower plate clamp is fixedly mounted on the fixed cross beam of bottom, vertical fixed push-and-pull rod is fixedly mounted on the fixed cross beam of bottom, top movable crossbeam is through vertical fixed push-and-pull rod and can move up and down along it, upper plate clamp is located at the top of lower plate clamp, both sides are connected by connector with top movable crossbeam, outside telescoping mechanism is located between top movable crossbeam and bottom fixed cross beam, internal telescoping mechanism is arranged between upper plate clamp and top movable crossbeam.The present apparatus uses the electric expansion bar of energy automatic telescopic, avoids twisting the complicated processes of screw rod, makes operation more succinct, while provides uniform chucking power in the width direction for sample, so that result of the test is more accurate.
Description
Technical field
The invention belongs to Geotechnical Engineering field, and in particular to a kind of geosynthetics stretching or drawing test clamp
Device.
Background technology
In geosynthetics stretching or pull-out test, chucking power is obtained by tightening threaded rod, this operation is not only
It is cumbersome, and easily cause and uneven chucking power is produced on geosynthetics width, influence the essence of result of the test
True property.Chinese patent 201710191404.7 discloses a kind of portable geosynthetics comprehensive test instrument, including vertically adds
Pressure device, shear box, drive device, data acquisition device, the test instrument of stretch release experimental provision and Collapsible rack, displacement
Sensing device, wherein, the press perpendicular device is secured by bolts in test instrument support, and shear box bottom, which is provided with, is fixed on branch
The slidably chute with ball, enables shear box freely to be slided in length direction, drive device passes through bolt and iron on seat
Bar is fixed on one end of test instrument, and data acquisition device is fixed on the other end of test instrument support by support, and stretch release is real
Experiment device is fixed on test instrument frame upper by T-shaped slide rail and bearing, and Collapsible rack can be square by installing metal folding
Just fold.The experiment instrument can complete stretching, friction, stripping, the drawing of the direct shearing test and geosynthetics of soil
Experiment, the uniformity that experiment is efficiency and experimental result is improved, meet that different location experiment is demand.But the device is surveyed in sample
Operate comparatively laborious during examination, cause testing efficiency low, and the discontinuity of sample in the width direction, influence the standard of result
True property.
The content of the invention
The purpose of the present invention is exactly that a kind of geosynthetics stretching or pull-out test are provided to solve the above problems
Grip device, solve the problems, such as that the cumbersome installation process of sample and result of the test are inaccurate.
The purpose of the present invention is achieved through the following technical solutions：
A kind of stretching of geosynthetics or drawing test clamp device, including top movable crossbeam, bottom fixed cross beam,
Vertical fixed push-and-pull rod, upper plate clamp, lower plate clamp, the outside telescoping mechanism being connected with control unit and internal telescopic machine
Structure, wherein, described lower plate clamp is fixedly mounted on the fixed cross beam of bottom, and described vertical fixed push-and-pull rod is fixedly mounted
On the fixed cross beam of bottom, and the both sides of lower plate clamp are distributed in, described top movable crossbeam is drawn through vertical fixed rigidity
Bar can simultaneously be moved up and down along it, and described upper plate clamp is located at the top of lower plate clamp, and its both sides is lived by connector and top
Dynamic crossbeam connection, described outside telescoping mechanism are located between top movable crossbeam and bottom fixed cross beam, and are distributed in vertical
The outside of fixed push-and-pull rod, described inside telescoping mechanism are arranged between upper plate clamp and top movable crossbeam.
Further, described outside telescoping mechanism and internal telescoping mechanism are electric expansion bar.
Further, described control unit includes that internal telescoping mechanism and outside telescoping mechanism can be respectively controlled
Control valve and overcurrent protector, control internal telescoping mechanism and outside telescoping mechanism to be extended or shunk, and speed is protected
Hold the accuracy for unanimously, ensureing test.
Further, described vertical fixed push-and-pull rod is provided with U-shaped card slot and U-shaped steel clamp, needed for experiment
Chucking power is obtained by vertically fixing the counter-force that push-and-pull rod provides.
Further, described upper plate clamp bottom is provided with that multiple rows of circular arc is raised, described lower wall clamp top be provided with
The arc groove of the circular arc male cooperation of upper plate clamp bottom.
Further, described circular arc is raised and the surface of arc groove is provided with anti-skid bulge.
Further, described anti-skid bulge is by the way of dislocation arrangement up and down.
Further, described inside telescoping mechanism is provided with 3, positioned at the quartering position of upper plate clamp length direction
Place, Multipoint Uniform stress make test result more accurate so that sample obtains uniform chucking power in the width direction.
Further, described connector is iron chains, and upper plate clamp is lifted into one by the electric expansion bar outside elongation
Fixed height, it is convenient to take out geosynthetics.
Further, described vertical fixed push-and-pull rod, connector and outside telescoping mechanism symmetry distribution are under
The both sides of portion's fixed cross beam.
During specific experiment, U-shaped steel clamp is removed first, is jacked top movable crossbeam to one using outside electric expansion bar
Fixed height, makes plate clamp reserve certain space with lower plate clamp, then lies against geosynthetics in the space, starts
Control valve reverser, shrink outside electric expansion bar, when top movable beam surface upper drops to below U-shaped card slot,
U-shaped steel clamp is installed, closes outside electric expansion bar, while starts internal electric expansion bar, upper and lower plate clamp is engaged in one
Rise, to apply chucking power to geosynthetics, then carry out geosynthetics stretching or pull-out test.After off-test,
U-shaped steel clamp is removed, outside electric expansion bar is restarted and simultaneously closes off internal electric expansion bar, make plate clamp on top
Certain altitude is lifted in the presence of moved cross beam and iron chains, then takes out geosynthetics, finally closing outside is electronic stretches
Contracting bar.
Compared with prior art, the present apparatus uses the electric expansion bar of energy automatic telescopic, avoids twisting the complicated processes of screw rod,
Make operation more succinct, while uniform chucking power is provided in the width direction for sample, so that result of the test is more smart
Really.
Brief description of the drawings
Fig. 1 is the main structure diagram of present clip device；
Fig. 2 is the structural representation of plate clamp and lower plate clamp in the present invention；
In figure：1- top movable crossbeams；2- vertically fixes push-and-pull rod；3- bottoms fixed cross beam；4-U type necks；In 5-
Portion's electric expansion bar；Electric expansion bar outside 6-；The upper plate clamps of 7-；Plate clamp under 8-；9- iron chains；10- circular arcs are raised；11- justifies
Arc fluting；12- anti-skid bulges.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of geosynthetics stretching as depicted in figs. 1 and 2 or drawing test clamp device, including by top movable
Crossbeam 1, the rigid mount that there is the vertical fixed push-and-pull rod 2 and bottom fixed cross beam 3 of U-shaped card slot 4 to form, for providing clamping
The inside electric expansion bar 5 of power, for lifting the outside electric expansion bar 6 and iron chains 9 of upper plate clamp 7, have circular arc projection 10,
The upper plate clamp 7 and lower plate clamp 8 of arc groove 11 and anti-skid bulge 12.Lower plate clamp 8 is fixedly mounted on bottom and fixes horizontal stroke
On beam 3, vertical fixed push-and-pull rod 2 is fixedly mounted on bottom fixed cross beam 3, and is distributed in the both sides of lower plate clamp 8, top
Moved cross beam 1 is through vertical fixed push-and-pull rod 2 and can move up and down along it, and upper plate clamp 7 is located at the top of lower plate clamp 8,
Its both sides is connected by iron chains 9 with top movable crossbeam 1, and outside electric expansion bar 6 is fixed located at top movable crossbeam 1 and bottom
Between crossbeam 3, and be distributed in the outside of vertical fixed push-and-pull rod 2, internal electric expansion bar 5 be arranged on upper plate clamp 7 with it is upper
Between portion's moved cross beam 1.Control unit includes the control that can be respectively controlled to internal telescoping mechanism and outside telescoping mechanism
Valve and overcurrent protector, internal telescoping mechanism and outside telescoping mechanism is controlled to be extended or shunk, and speed is consistent,
Ensure the accuracy of test, vertical fixed push-and-pull rod is provided with U-shaped card slot 4 and U-shaped steel clamp, the chucking power needed for experiment
The counter-force provided by vertically fixing push-and-pull rod obtains.Circular arc projection 10 and the anti-skid bulge 12 on the surface of arc groove 11 use
The mode of dislocation arrangement up and down.
Internal electric expansion bar 5 is provided with 3, positioned at the quartering opening position of the upper length direction of plate clamp 7, Multipoint Uniform by
Power makes test result more accurate so that sample obtains uniform chucking power in the width direction.
During experiment, U-shaped steel clamp is removed first, is jacked top movable crossbeam 1 using outside 2 electric expansion bars 6
Certain altitude, plate clamp 7 is reserved certain space with lower plate clamp 8, then lie against geosynthetics in the space,
Start control valve reverser, shrink outside 2 electric expansion bars 6, when the upper surface of top movable crossbeam 1 drops to U-shaped card
When below groove, U-shaped steel clamp is installed, closes outside 2 electric expansion bars 6, while starts internal 3 electric expansion bars 5, is made
Lower plate clamp is interlocked, and to apply chucking power to geosynthetics, then carries out geosynthetics stretching or drawing
Experiment.After off-test, U-shaped steel clamp is removed, outside electric expansion bar 6 is restarted and simultaneously closes off internal electric expansion bar
5, plate clamp 7 is lifted certain altitude in the presence of top movable crossbeam 1 and iron chains 9, then take out geotechnique's synthesis material
Material, finally close outside electric expansion bar 6.
Claims (10)
1. a kind of geosynthetics stretching or drawing test clamp device, it is characterised in that including top movable crossbeam, bottom
Fixed cross beam, vertically fix push-and-pull rod, upper plate clamp, lower plate clamp, the outside telescoping mechanism being connected with control unit and
Internal telescoping mechanism,
Wherein, described lower plate clamp is fixedly mounted on the fixed cross beam of bottom, and described vertical fixed push-and-pull rod fixes peace
On the fixed cross beam of bottom, and the both sides of lower plate clamp are distributed in, described top movable crossbeam fixes rigidity through vertical
Pull bar can simultaneously move up and down along it, and described upper plate clamp is located at the top of lower plate clamp, and its both sides passes through connector and top
Moved cross beam connects,
Described outside telescoping mechanism is located between top movable crossbeam and bottom fixed cross beam, and is distributed in vertical fixed rigidity
The outside of pull bar, described inside telescoping mechanism are arranged between upper plate clamp and top movable crossbeam.
2. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that institute
The outside telescoping mechanism and internal telescoping mechanism stated are electric expansion bar.
3. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that institute
The control unit stated includes the control valve that can be respectively controlled to internal telescoping mechanism and outside telescoping mechanism and excessively stream is protected
Protect device.
4. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that institute
The vertical fixed push-and-pull rod stated is provided with U-shaped card slot and U-shaped steel clamp.
5. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that institute
The upper plate clamp bottom stated is provided with multiple rows of circular arc projection, and described lower wall clamp top is provided with convex with the circular arc of upper plate clamp bottom
Act the arc groove coordinated.
6. a kind of geosynthetics stretching according to claim 5 or drawing test clamp device, it is characterised in that institute
The circular arc stated is raised and the surface of arc groove is provided with anti-skid bulge.
7. a kind of geosynthetics stretching according to claim 6 or drawing test clamp device, it is characterised in that institute
The anti-skid bulge stated is by the way of dislocation arrangement up and down.
8. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that institute
The inside telescoping mechanism stated is provided with 3, positioned at the quartering opening position of upper plate clamp length direction.
9. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that institute
The connector stated is iron chains.
10. a kind of geosynthetics stretching according to claim 1 or drawing test clamp device, it is characterised in that
Described vertical fixed push-and-pull rod, connector and outside telescoping mechanism symmetry distribution is in the both sides of bottom fixed cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574436.5A CN107589015B (en) | 2017-07-14 | 2017-07-14 | Geosynthetic material tensile or drawing test fixture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574436.5A CN107589015B (en) | 2017-07-14 | 2017-07-14 | Geosynthetic material tensile or drawing test fixture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107589015A true CN107589015A (en) | 2018-01-16 |
| CN107589015B CN107589015B (en) | 2020-10-02 |
Family
ID=61042378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710574436.5A Expired - Fee Related CN107589015B (en) | 2017-07-14 | 2017-07-14 | Geosynthetic material tensile or drawing test fixture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107589015B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632492A (en) * | 2019-01-24 | 2019-04-16 | 贵州恒安工程试验检测有限公司 | A kind of geotextiles device for testing tensile strength and its detection method |
| CN110044701A (en) * | 2019-04-29 | 2019-07-23 | 新疆维吾尔自治区交通规划勘察设计研究院 | A kind of geosynthetics construction damage test device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5948994A (en) * | 1998-04-02 | 1999-09-07 | Jen; Ming-Hwa R. | Multi-functional test machine |
| CN201368828Y (en) * | 2009-03-25 | 2009-12-23 | 西安科技大学 | Analog simulation experiment shelf loading equipment |
| RU2393453C1 (en) * | 2008-10-16 | 2010-06-27 | Открытое акционерное общество "Специальное конструкторское бюро испытательных машин" (ОАО "СКБИМ") | Power rack for universal testing machine |
| CN103424309A (en) * | 2013-08-12 | 2013-12-04 | 济南大学 | Clamp of steel wire rope tension test machine |
| CN103487334A (en) * | 2013-09-17 | 2014-01-01 | 吉林大学 | Three-freedom degree dynamic compression and shear testing machine |
| CN204924530U (en) * | 2015-08-25 | 2015-12-30 | 安徽岳塑汽车工业股份有限公司 | Car rubber spare part tensile test device |
| CN106680120A (en) * | 2017-01-10 | 2017-05-17 | 浙江理工大学 | High-frequency electro-hydraulic servo fatigue testing machine |
-
2017
- 2017-07-14 CN CN201710574436.5A patent/CN107589015B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5948994A (en) * | 1998-04-02 | 1999-09-07 | Jen; Ming-Hwa R. | Multi-functional test machine |
| RU2393453C1 (en) * | 2008-10-16 | 2010-06-27 | Открытое акционерное общество "Специальное конструкторское бюро испытательных машин" (ОАО "СКБИМ") | Power rack for universal testing machine |
| CN201368828Y (en) * | 2009-03-25 | 2009-12-23 | 西安科技大学 | Analog simulation experiment shelf loading equipment |
| CN103424309A (en) * | 2013-08-12 | 2013-12-04 | 济南大学 | Clamp of steel wire rope tension test machine |
| CN103487334A (en) * | 2013-09-17 | 2014-01-01 | 吉林大学 | Three-freedom degree dynamic compression and shear testing machine |
| CN204924530U (en) * | 2015-08-25 | 2015-12-30 | 安徽岳塑汽车工业股份有限公司 | Car rubber spare part tensile test device |
| CN106680120A (en) * | 2017-01-10 | 2017-05-17 | 浙江理工大学 | High-frequency electro-hydraulic servo fatigue testing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632492A (en) * | 2019-01-24 | 2019-04-16 | 贵州恒安工程试验检测有限公司 | A kind of geotextiles device for testing tensile strength and its detection method |
| CN110044701A (en) * | 2019-04-29 | 2019-07-23 | 新疆维吾尔自治区交通规划勘察设计研究院 | A kind of geosynthetics construction damage test device and method |
| CN110044701B (en) * | 2019-04-29 | 2021-11-09 | 新疆维吾尔自治区交通规划勘察设计研究院 | Geosynthetic material construction damage testing device and method |
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| Publication number | Publication date |
|---|---|
| CN107589015B (en) | 2020-10-02 |
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Granted publication date: 20201002 |