CN209264169U - A kind of stress wave excitation device for side slope anchor pole loading test - Google Patents
A kind of stress wave excitation device for side slope anchor pole loading test Download PDFInfo
- Publication number
- CN209264169U CN209264169U CN201920245802.7U CN201920245802U CN209264169U CN 209264169 U CN209264169 U CN 209264169U CN 201920245802 U CN201920245802 U CN 201920245802U CN 209264169 U CN209264169 U CN 209264169U
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- CN
- China
- Prior art keywords
- anchor pole
- stress wave
- side slope
- wave excitation
- loading test
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- 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.)
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Abstract
The utility model discloses a kind of stress wave excitation devices for side slope anchor pole loading test, it include: pedestal, motor, connecting rod and impact column cap, the base bottom is provided with embedded hole, enter embedded hole at the top of anchor pole and realizes fixation, the connecting rod bottom end is provided with nonrigid connector, the impact column cap is arranged in the bottom of nonrigid connector and is directed toward the top surface of anchor pole, the guide pad being provided at the top of the connecting rod above pedestal, waist hole is horizontally arranged in the guide pad, the motor setting is on the base, turntable is provided on the output shaft of the motor, eccentric setting has the drive shaft extended in waist hole on the turntable.Through the above way, stress wave excitation device described in the utility model for side slope anchor pole loading test, connecting rod periodically move up and down by the driving of motor, and impact column cap is driven to carry out the continuous impact of anchor pole top surface, it is ensured that the dynamics and interval uniformity of each stress wave excitation.
Description
Technical field
The utility model relates to anchor pole loading test technical fields, are used for side slope anchor pole bearing capacity more particularly to one kind
The stress wave excitation device of detection.
Background technique
Anchor pole be geologic body (Rock And Soil) depths setting a series of tension members, and with grouting material by rod piece with
Stratum is closely consolidated, while these rod pieces also connect geologic body and works, for reinforcing Rock And Soil not
The tensile stress of works is passed to stable Rock And Soil by steady component, to keep the stabilization of Rock And Soil and works, or
Make that stablizes geologic body itself to reinforce, bearing power increase.
The problem of high slope unstability is often faced in large hydraulic engineering, as unstability once occurs for the rock mass on reservoir periphery
Landslide is caused, less serious case's slip mass, which slides into library, causes effective storage to reduce, and landslide volume is larger when serious or even can cause
The serious accident on the library dam Shui Man, therefore guarantee that stablizing for slope rock mass is extremely important.Rock mass is increased using bolt anchorage technology
Stability is a kind of method being most widely used, since bolt anchorage technology has easy for construction, adaptable, reliability
The advantages that high, at low cost, the technology have been widely used in slope treatment, pattern foundation pit supporting structure, anti-floating engineering, building rectification, structure
Antidumping engineering etc..As the permanent support of engineering, the service life of anchor structure generates significant impact to the safety of engineering,
Once anchor structure fails, it will cause major safety risks.And anchoring engineering has high complexity and concealment, to guarantee anchor
Anchoring quality, the bearing capacity of bar are met the requirements, it is necessary to periodically be detected to the anchor situation of anchor pole.
Application No. is 201710048370.6 utility applications to disclose a kind of anchor pole based on stress wave
Lossless detection method and equipment are hammered into shape using exciting and tap free section end, and stress wave is generated, it is difficult to what guarantee tapped every time
Dynamics and frequency uniformity lead to the problem that stress wave difference is big and detection accuracy is low, need to improve.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of stress wave for side slope anchor pole loading test
Excitation apparatus carries out the impact of anchor pole end face to generate stress wave, and the dynamics and frequency uniformity for ensuring to strike every time.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of for side slope anchor
The stress wave excitation device of bar loading test, comprising: pedestal, motor, connecting rod and impact column cap, the base bottom are provided with
Embedded hole, anchor pole top enter embedded hole and realize fixation, and the connecting rod is arranged in pedestal and the top surface of downwardly directed anchor pole, institute
It states connecting rod bottom end and is provided with nonrigid connector, the impact column cap is arranged in the bottom of nonrigid connector and is directed toward the top of anchor pole
Face, the guide pad being provided at the top of the connecting rod above pedestal are horizontally arranged with waist hole, the electricity in the guide pad
Machine is arranged on the base, turntable is provided on the output shaft of the motor, eccentric setting extends in waist hole on the turntable
Drive shaft.
In one preferred embodiment of the utility model, the base bottom is provided with the fastening for being directed toward insertion centerline hole
Bolt.
In one preferred embodiment of the utility model, the quantity of the fastening bolt is 3 ~ 6, and annular array is distributed in
Base bottom surrounding.
In one preferred embodiment of the utility model, the nonrigid connector is rubber cylinder, the rubber cylinder
Top and bottom are respectively arranged with close-fitting jack corresponding with connecting rod and impact column cap.
In one preferred embodiment of the utility model, the nonrigid connector is spring.
In one preferred embodiment of the utility model, guide sleeve corresponding with connecting rod is provided in the pedestal.
It further include machine governor and mobile power source, the electric machine speed regulation in one preferred embodiment of the utility model
Device is connected between motor and mobile power source.
In one preferred embodiment of the utility model, the bearing in waist hole is provided in the drive shaft.
In one preferred embodiment of the utility model, the drive shaft carries out circular motion under the drive of the motor and changes
And of Varying Depth position drives the up and down motion of connecting rod and continuously strikes the top surface of anchor pole.
In one preferred embodiment of the utility model, pedestal side indent is provided with opening above embedded hole
Slot.
The beneficial effects of the utility model are: a kind of answering for side slope anchor pole loading test that the utility model is pointed out
Reeb excitation apparatus, installation convenience, is directly sleeved at the top of anchor pole, and be fixed using fastening bolt, and connecting rod passes through motor
It drives and periodically move up and down, drive the continuous impact of impact column cap progress anchor pole top surface, it is ensured that the power struck every time
Degree and interval uniformity, are conducive to the excitation and detection of anchor stress wave, promote detection accuracy.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is a kind of one preferred embodiment of stress wave excitation device for side slope anchor pole loading test of the utility model
Structural schematic diagram.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, the utility model embodiment includes:
Stress wave excitation device for side slope anchor pole loading test as shown in Figure 1, comprising: pedestal 1, connects motor 6
Bar 9 and impact column cap 15,1 bottom of pedestal are provided with embedded hole 12, enter embedded hole 12 at the top of anchor pole 13 and realize fixation, institute
It states 1 bottom of pedestal and is provided with the fastening bolt 11 for being directed toward 12 center line of embedded hole, the quantity of the fastening bolt 11 is 4, ring
Shape array distribution realizes the fastening to anchor pole 13, avoids loosening in 1 bottom surrounding of pedestal, dismounts convenience.
The connecting rod 9 is arranged in pedestal 1 and the top surface of downwardly directed anchor pole 13, is provided in the pedestal 1 and connecting rod 9
Corresponding guide sleeve 2, is conducive to the lifting of connecting rod 9.9 bottom end of connecting rod is provided with nonrigid connector 14, the impact column cap
15 are arranged in the bottom of nonrigid connector 14 and are directed toward the top surface of anchor pole 13, when connecting rod 9 declines, drive nonrigid connector 14 and hit
It beats column cap 15 to decline, percussion of the impact column cap 15 to 13 top surface of anchor pole is realized, thus elastic stress wave.
The 1 side indent of pedestal is provided with the fluting 10 above embedded hole 12, facilitates the dismounting of impact column cap 15
With maintenance, the installation of detection sensor is also facilitated, carries out signal acquisition.
The top of the connecting rod 9 is provided with the guide pad 3 above pedestal 1, is horizontally arranged with waist in the guide pad 3
Hole, the motor 6 are arranged on pedestal 1, and turntable 5, eccentric setting on the turntable 5 are provided on the output shaft of the motor 6
There is the drive shaft 4 extended in waist hole, drive shaft 4 is turned round under the driving of motor 6 and changes position height, to drive
The upper and lower position of guide pad 3 changes, and realizes the lifting driving of connecting rod 9, and the continuous top surface for striking anchor pole 13, impact dynamics is unified,
Frequency stability is high.It is provided with the bearing in waist hole in the drive shaft 4, bearing rotary and the abrasion for reducing drive shaft 4,
Improve the stability of movement.
There are two types of the selections of nonrigid connector 14:
The first, the nonrigid connector 14 is rubber cylinder, is respectively arranged at the top and bottom of the rubber cylinder
Close-fitting jack corresponding with connecting rod 9 and impact column cap 15, installation convenience, rubber cylinder have certain elasticity, avoid impact column cap
15 damage.
Second, the nonrigid connector 14 is spring, when installation, needs to process in connecting rod 9 and impact 15 end of column cap
The mandrel in spring can be extended to, it is easy-to-use not as good as rubber cylinder.
In addition, in order to be controlled, it is also necessary to which machine governor 7 and mobile power source 8, the machine governor 7 are connected on
It between motor 6 and mobile power source 8, is powered using mobile power source 8, is suitble to outdoor study, electricity is carried out by machine governor 7
The speed control of machine 6, flexible operation.
In conclusion a kind of stress wave excitation device for side slope anchor pole loading test that the utility model is pointed out,
It is easy for installation, detection working efficiency is improved, can carry out stablizing impact to anchor pole and elastic stress wave, be conducive to promote detection
Precision.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of stress wave excitation device for side slope anchor pole loading test, the stress wave for anchor pole is excited, feature
It is, comprising: pedestal, motor, connecting rod and impact column cap, the base bottom are provided with embedded hole, enter insertion at the top of anchor pole
Hole, which is realized, to be fixed, and the connecting rod is arranged in pedestal and the top surface of downwardly directed anchor pole, and flexible company is arranged in the connecting rod bottom end
Junctor, the impact column cap are arranged in the bottom of nonrigid connector and are directed toward the top surface of anchor pole, be provided at the top of the connecting rod
Guide pad above pedestal, is horizontally arranged with waist hole in the guide pad, the motor setting on the base, the motor
Output shaft on be provided with turntable, eccentric setting has the drive shaft extended in waist hole on the turntable.
2. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that institute
It states base bottom and is provided with the fastening bolt for being directed toward insertion centerline hole.
3. the stress wave excitation device according to claim 2 for side slope anchor pole loading test, which is characterized in that institute
The quantity for stating fastening bolt is 3 ~ 6, and annular array is distributed in base bottom surrounding.
4. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that institute
Stating nonrigid connector is rubber cylinder, is respectively arranged at the top and bottom of the rubber cylinder corresponding with connecting rod and impact column cap
Close-fitting jack.
5. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that institute
Stating nonrigid connector is spring.
6. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that institute
It states and is provided with guide sleeve corresponding with connecting rod in pedestal.
7. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that also
Including machine governor and mobile power source, the machine governor is connected between motor and mobile power source.
8. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that institute
State the bearing being provided in waist hole in drive shaft.
9. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that institute
It states drive shaft to carry out circular motion under the drive of the motor and change height and position, drives the up and down motion of connecting rod and continuously strike
The top surface of anchor pole.
10. the stress wave excitation device according to claim 1 for side slope anchor pole loading test, which is characterized in that
Pedestal side indent is provided with the fluting above embedded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920245802.7U CN209264169U (en) | 2019-02-27 | 2019-02-27 | A kind of stress wave excitation device for side slope anchor pole loading test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920245802.7U CN209264169U (en) | 2019-02-27 | 2019-02-27 | A kind of stress wave excitation device for side slope anchor pole loading test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264169U true CN209264169U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920245802.7U Expired - Fee Related CN209264169U (en) | 2019-02-27 | 2019-02-27 | A kind of stress wave excitation device for side slope anchor pole loading test |
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| CN (1) | CN209264169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708798A (en) * | 2019-02-27 | 2019-05-03 | 沙洲职业工学院 | A kind of stress wave excitation device for side slope anchor pole loading test |
-
2019
- 2019-02-27 CN CN201920245802.7U patent/CN209264169U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708798A (en) * | 2019-02-27 | 2019-05-03 | 沙洲职业工学院 | A kind of stress wave excitation device for side slope anchor pole loading test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190816 Termination date: 20210227 |