CN207556996U - A kind of anchor rod drawing experimental rig - Google Patents
A kind of anchor rod drawing experimental rig Download PDFInfo
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- CN207556996U CN207556996U CN201721643940.8U CN201721643940U CN207556996U CN 207556996 U CN207556996 U CN 207556996U CN 201721643940 U CN201721643940 U CN 201721643940U CN 207556996 U CN207556996 U CN 207556996U
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- anchor pole
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Abstract
The utility model discloses a kind of anchor rod drawing experimental rigs, including experiment anchor pole, reaction support, Power Component and displacement detecting component, the lower end of the experiment anchor pole is inserted into ground, the upper end of the experiment anchor pole sequentially passes through reaction support and Power Component after stretching out foundation surface, and the displacement detecting component is installed on reaction support；The Power Component is used to apply experiment anchor pole upward driving force, and the displacement detecting component is used to detect the uplift displacement of experiment anchor pole.The accuracy of detection of uplift displacement can be improved using the anchor rod drawing experimental rig of the utility model.
Description
Technical field
The utility model is related to pull-out test field more particularly to a kind of anchor rod drawing experimental rigs.
Background technology
The anchoring ability that the prior art examines the installation quality of anchor pole and assess anchor pole generally by pull-out test,
Wherein, anchor rod drawing experimental rig is to apply outside pulling force to anchor pole by actuating unit, is sentenced by the uplift displacement of anchor pole
The anchoring ability of disconnected anchor pole.
But the pulling capacity of anchored pile-testing method test anchor pole is usually used in the pull-out test of the prior art, i.e. actuating unit acts on
In support construction (such as girder steel), uplift force is acted on into experiment anchor pole using support construction and the connection structure of experiment anchor pole
On.Wherein, support construction is generally the sufficiently large steel component of rigidity, is fixed by anchoring pile, anchoring pile is collectively constituted with support construction
The counterforce structure of experimental rig, such experimental rig assembling is complicated, and support construction generally requires the mechanical structures such as crane to pacify
Dress, and the testing operation face needed is larger, and needs to be used for anchor in experiment anchor pole both sides implantation at least 2 anchor poles in advance
Stake, it is time-consuming, and the precision detected is not high.In addition, in test pit or the rugged work surface of bedrock surface, anchored pile-testing method
It can not be successfully and complete anchor rod drawing experiment, therefore, be not easy to carry out anchor rod experiment detection in transmission line of electricity industry.
Invention content
The technical problem to be solved by the utility model is to provide a kind of anchor rod drawing experimental rig, improve drawing and survey
The accuracy of examination.
Technical problem to be solved in the utility model also resides in, provide it is a kind of it is simple in structure, convenient for artificial direct operation
Anchor rod drawing experimental rig.
In order to solve the above-mentioned technical problem, the utility model provides a kind of anchor rod drawing experimental rig, including testing anchor
Bar, reaction support, Power Component and displacement detecting component, the lower end of the experiment anchor pole are inserted into ground, the experiment anchor pole
Upper end stretch out foundation surface after sequentially pass through reaction support and Power Component, the displacement detecting component is installed on reaction support
On；
The Power Component is used to apply upward driving force to experiment anchor pole, and the displacement detecting component tries for detecting
Test the uplift displacement of anchor pole.
As the improvement of said program, the Power Component is punching jack, and the punching jack is used for experiment
Anchor pole applies upward thrust.
As the improvement of said program, latch assembly is further included, the latch assembly is lock onto on experiment anchor pole, described to wear
Heart jack is used to apply upward thrust to latch assembly.
As the improvement of said program, the latch assembly includes nut and gasket, the nut and experiment spiral thread on anchor bolt
Locking, the gasket are set between punching jack and nut.
As the improvement of said program, the both ends of the reaction support are equipped with manpower handle.
As the improvement of said program, the displacement detecting component is mounted on by bracket component on reaction support, described
Bracket component includes the vertical body of rod being installed on reaction support and the lateral body of rod being installed on the vertical body of rod, the displacement
Detection components are mounted on the lateral body of rod.
As the improvement of said program, strut is further included, one end of the strut is the fixation being fixed on experiment anchor pole
End, the other end is free end, the displacement of the displacement detecting component detection free end.
As the improvement of said program, the free end of the strut is equipped with steel disc.
As the improvement of said program, the displacement detecting component be displacement sensor, the test of institute's displacement sensors
End is contacted with steel disc.
Implement the embodiment of the utility model, have the advantages that：
The experiment anchor pole for being pierced by foundation surface is sequentially passed through reaction support and Power Component by the utility model, works as power packages
When part applies upward driving force to experiment anchor pole, Power Component can apply reaction support below downward reaction
Power, so as to ensure reaction support during test always in relatively stable state, the utility model is by displacement detecting
Component is mounted on reaction support, at this point, displacement detecting component can more accurately detect the uplift displacement of experiment anchor pole.
In addition, the experimental rig of the utility model need not be implanted into anchoring pile, only manually operate, it is not only time saving and energy saving,
And can be used in the place of testing operation face very narrow (such as in test pit, the karst landform of bedrock surface injustice etc.),
The more traditional anchored pile-testing method of the experimental rig of utility model is more applicable for the pull-out test of mountain area anchor pole.
Description of the drawings
Fig. 1 is the structure diagram of the utility model anchor rod drawing experimental rig.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the utility model occur in the text or will occur upper and lower, left and right, it is preceding,
Afterwards, the orientation such as inside and outside word is not the specific restriction to the utility model only on the basis of the attached drawing of the utility model.
Referring to attached drawing 1, the utility model discloses a kind of anchor rod drawing experimental rig, including experiment anchor pole 1, reaction support
2nd, Power Component 3 and displacement detecting component 4, the lower end of the experiment anchor pole 1 are inserted into ground, the upper end of the experiment anchor pole 1
Reaction support 2 and Power Component 3 are sequentially passed through after stretching out foundation surface, the displacement detecting component 4 is installed on reaction support 2
On.
Wherein, the both ends of the reaction support 2 are equipped with manpower handle 21.By manpower handle 21 convenient for reaction support 2 by
On down through experiment anchor pole 1, you can realize it is manually installed.
During work, the Power Component 3 is used to apply upward driving force, the displacement detecting component 4 to experiment anchor pole 1
For detecting the uplift displacement of experiment anchor pole 1.
The experiment anchor pole 1 for being pierced by foundation surface is sequentially passed through reaction support 2 and Power Component 3 by the utility model, when dynamic
When power component 3 applies upward driving force to experiment anchor pole 1, Power Component 3 can apply reaction support 2 below downward
Reaction force, so as to ensure reaction support 2 during test always in relatively stable state, the utility model is by position
It moves detection components 4 to be mounted on reaction support 2, at this point, displacement detecting component 4 can more accurately detect experiment anchor pole 1
Uplift displacement.
As the preferred embodiment of Power Component 3, the Power Component 3 is punching jack, and the punching jack is used for
Apply upward thrust to experiment anchor pole 1.Wherein punching jack is connect with oil pump (attached drawing is not shown), by oil pump so as to wear
The output terminal of heart jack moves up, so as to apply upward thrust to experiment anchor pole 1.
In addition, apply upward thrust, the anchor rod drawing of the utility model for the ease of punching jack pair experiment anchor pole 1
Experimental rig further includes latch assembly 6, and the latch assembly 6 is lock onto on experiment anchor pole 1, and the punching jack is used for lock
Tight component 6 applies upward thrust.The utility model is used as the intermediate force part of punching jack, phase by latch assembly 6
For directly carrying out stress to experiment anchor pole 1, experiment anchor pole 1 can be played more as intermediate forced section using latch assembly 6
Good protective effect.
Wherein, the latch assembly 6 includes nut 61 and gasket 62, the nut 61 and experiment 1 screw-threaded coupling of anchor pole, institute
Gasket 62 is stated to be set between punching jack and nut 61.The utility model preferably passes through nut 61 and experiment 1 screw fastening of anchor pole
Tightly, at this point it is possible to be adjusted by the tightness that punching jack and reaction support 2 are locked in the position of nut 61.
In addition, displacement detecting component 4 described in the utility model is mounted on by bracket component 7 on reaction support 2, it is described
Bracket component 7 includes the vertical body of rod 71 being installed on reaction support 2 and the lateral body of rod 72 being installed on the vertical body of rod 71,
The displacement detecting component 4 is mounted on the lateral body of rod 72.The utility model improves displacement detecting component 4 by the vertical body of rod 71
Height, so as to the drawing displacement at the top of testing experiment anchor pole 1, in order to avoid influenced test essence by the blocking of other component
Degree, in addition, the utility model draws in the distance between displacement detecting component 4 and experiment anchor pole 1 by the lateral body of rod 72, further
Measuring accuracy is improved, wherein the lateral body of rod 72 and the vertical body of rod 71 are preferably using steel pipe, and the vertical body of rod 71 is welded on counter-force branch
On seat 2, the vertical body of rod 71 is connected with the lateral body of rod 72 by the way of fastener installation, when the vertical body of rod 71 passes through Welder
When skill is fixed on reaction support 2, the disturbance rejection of the vertical body of rod 71 can be improved, so as to which measuring accuracy be effectively ensured, and it is horizontal
It is fixed on the vertical body of rod 71 by way of fastener installation to the body of rod 72, it can be flexible according to the drift for testing anchor pole
Adjust the position of displacement detecting component.
It should be noted that uplift displacement of the displacement detecting component 4 of the utility model for detection experiment anchor pole 1,
The component for detecting experiment anchor pole 1 or being fixed on experiment anchor pole 1 is only needed, in order to improve measuring accuracy, this practicality is new
The device of type further includes the strut 8 being fixed on experiment anchor pole 1, and one end of the strut 8 is to be fixed on experiment anchor pole 1
Fixing end, the other end are free end, and the displacement detecting component 4 is used to detect the displacement of free end.The utility model by
Outwardly directed strut 8 is set to be detected convenient for displacement detecting component 4 on experiment anchor pole 1.Wherein, the free end of the strut 8 is set
There is steel disc 9, the displacement detecting component 4 is displacement sensor, and the test lead of institute's displacement sensors is contacted with steel disc 9.This reality
With it is novel using displacement sensor realize contact measurement, and by the position being in contact with it set steel disc, improve the firm of contact
Property, so as to further improve the detection accuracy of displacement detecting component 4.Certainly, the utility model can also use other detections
Component, such as non-contacting infrared detection mechanism.
Using the utility model anchor rod drawing experimental rig when, work step is as follows：
1st, it drills：The anchor hole of projected depth is first crept into exposed rock mass, aperture is generally 100mm-300mm；
2nd, the making of anchor pole 1 is tested：The material and specification of dowel are consistent with engineering with rock-bolt, general to use
HRB400 screw-thread steels, diameter are advisable between 32mm-42mm, and dowel length is not less than 1.5m beyond hole depth, wherein top
Thread in the range of 800mm, the dowel made are to test anchor pole 1；
3rd, the fixation of anchor pole 1 is tested：The experiment anchor pole 1 made is placed in anchor hole center, ensures thread position on ground
More than, artificial fixed experiment anchor pole 1 pours inclusion enclave into anchor hole, inclusion enclave can be pea gravel concreten, cement mortar, bar planting
Glue；
4th, inclusion enclave conserves：After body to be wrapped fully solidifies (inclusion enclave of being subject to reaches more than 75% compression strength),
Pull-out test can then be started；
5th, the installation of experimental rig：The position for exposing ground to experiment anchor pole 1 first is cleared up, is super flat, using artificial
Place reaction support 2, it is ensured that the center hole on reaction support 2 passes through experiment anchor pole 1, and punching jack secondly is positioned over counter-force
On bearing 2, then several gaskets 62 are placed, then tightened with nut 61 at 1 top of experiment anchor pole；
6th, displacement sensor is arranged：The vertical body of rod 71 is welded on reaction support 2, using fastener by vertical 71 He of the body of rod
The lateral body of rod 72 connects, and Magnetic gauge stand is mounted on the surface of the lateral body of rod 72, fixed displacement sensor is used for, specifically, magnetic
Property gauge stand side be fixed on the lateral body of rod 72 using magnetic texure, opposite side is using the clamp of special construction by displacement sensing
Device is fixed on steel disc 9, i.e. displacement sensor test lead contact is on the steel disc 9 of 8 end of strut；Wherein strut 8 is by experiment anchor
The Base top contact of bar 1, one end of strut 8 are fixed on the top of experiment anchor pole 1 using spot welding, the other end for steel disc 9 from
By holding, free end is used to contact with displacement sensor；
7th, anchor rod drawing is tested：Start oil pump 5, punching jack start push up upper end gasket 62, experiment anchor pole 1 start on
It pulls out, simultaneous displacement sensor can record the drawing displacement of experiment anchor pole 1 in real time；By recording the load applied and experiment anchor pole 1
Uplift displacement, can draw out experiment anchor pole 1 load-displacement curve, so that it is determined that experiment anchor pole 1 anti-pulling capacity.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (9)
1. a kind of anchor rod drawing experimental rig, which is characterized in that including experiment anchor pole, reaction support, Power Component and displacement inspection
Component is surveyed, the lower end of the experiment anchor pole is inserted into ground, is sequentially passed through after the upper end stretching foundation surface of the experiment anchor pole
Reaction support and Power Component, the displacement detecting component are installed on reaction support；
The Power Component is used to apply experiment anchor pole upward driving force, and the displacement detecting component is for detection experiment anchor
The uplift displacement of bar.
2. anchor rod drawing experimental rig according to claim 1, which is characterized in that the Power Component is very heavy for punching
Top, the punching jack are used to apply upward thrust to experiment anchor pole.
3. anchor rod drawing experimental rig according to claim 2, which is characterized in that further include latch assembly, the locking
Component is lock onto on experiment anchor pole, and the punching jack is used to apply upward thrust to latch assembly.
4. anchor rod drawing experimental rig according to claim 3, which is characterized in that the latch assembly includes nut and pad
Piece, the nut are set on experiment spiral thread on anchor bolt locking, the gasket between punching jack and nut.
5. anchor rod drawing experimental rig according to claim 1, which is characterized in that the both ends of the reaction support are equipped with people
Power handle.
6. anchor rod drawing experimental rig according to claim 1, which is characterized in that the displacement detecting component passes through stent
Component is mounted on reaction support, and the bracket component includes the vertical body of rod being installed on reaction support and is installed on vertical
The lateral body of rod on the body of rod, the displacement detecting component are mounted on the lateral body of rod.
7. anchor rod drawing experimental rig according to claim 1, which is characterized in that further include strut, the one of the strut
The fixing end to be fixed on experiment anchor pole is held, the other end is free end, the displacement of the displacement detecting component detection free end.
8. anchor rod drawing experimental rig according to claim 7, which is characterized in that the free end of the strut is equipped with steel
Piece.
9. anchor rod drawing experimental rig according to claim 8, which is characterized in that the displacement detecting component is passed for displacement
Sensor, the test lead of institute's displacement sensors are contacted with steel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721643940.8U CN207556996U (en) | 2017-11-30 | 2017-11-30 | A kind of anchor rod drawing experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721643940.8U CN207556996U (en) | 2017-11-30 | 2017-11-30 | A kind of anchor rod drawing experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556996U true CN207556996U (en) | 2018-06-29 |
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ID=62678599
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721643940.8U Active CN207556996U (en) | 2017-11-30 | 2017-11-30 | A kind of anchor rod drawing experimental rig |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918273A (en) * | 2018-08-23 | 2018-11-30 | 中国五冶集团有限公司 | Anti-float anchor rod anti-pulling test device |
| CN109205209A (en) * | 2018-08-02 | 2019-01-15 | 三峡大学 | A kind of deep rock mass stress fidelity transport device and method |
| CN109297810A (en) * | 2018-07-17 | 2019-02-01 | 安徽理工大学 | A kind of simulation deep formation anchor rod drawing experimental rig and test method |
| CN110186760A (en) * | 2019-06-13 | 2019-08-30 | 河北建筑工程学院 | A kind of soil property anchor rod drawing test method for considering to change confining pressure condition |
| CN112611626A (en) * | 2020-11-19 | 2021-04-06 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Expansion type connecting device for anchor rod drawing test |
-
2017
- 2017-11-30 CN CN201721643940.8U patent/CN207556996U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297810A (en) * | 2018-07-17 | 2019-02-01 | 安徽理工大学 | A kind of simulation deep formation anchor rod drawing experimental rig and test method |
| CN109205209A (en) * | 2018-08-02 | 2019-01-15 | 三峡大学 | A kind of deep rock mass stress fidelity transport device and method |
| CN108918273A (en) * | 2018-08-23 | 2018-11-30 | 中国五冶集团有限公司 | Anti-float anchor rod anti-pulling test device |
| CN110186760A (en) * | 2019-06-13 | 2019-08-30 | 河北建筑工程学院 | A kind of soil property anchor rod drawing test method for considering to change confining pressure condition |
| CN112611626A (en) * | 2020-11-19 | 2021-04-06 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Expansion type connecting device for anchor rod drawing test |
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