CN108560527A - Drill earth pulsation test equipment - Google Patents
Drill earth pulsation test equipment Download PDFInfo
- Publication number
- CN108560527A CN108560527A CN201810155529.9A CN201810155529A CN108560527A CN 108560527 A CN108560527 A CN 108560527A CN 201810155529 A CN201810155529 A CN 201810155529A CN 108560527 A CN108560527 A CN 108560527A
- Authority
- CN
- China
- Prior art keywords
- adherent
- sensor
- outer housing
- test equipment
- rod
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
Abstract
The present invention relates to a kind of drilling earth pulsation test equipments, belong to geotechnical engineering investigation in-situ test field.It includes mainly intermediate arm, sensor outer housing, and the intermediate arm upper and lower ends are connect by connecting rod with reducer union；With the interior adherent cage connection of the electromagnetism equipped with electric push rod, the electric push rod connect by telescopic rod with adherent for the reducer union；The adherent shell of electromagnetism is connect with the interior sensor outer housing equipped with three-component vibration sensor, and the top three-component vibration sensor is fixed on sensor outer housing bottom；The upper sensor shell is connect with head cover, and the head cover is integrally restricted with the traction data transmission being made of two steel wire ropes and ten heart cables by waterproof pin and box sub and screwed connection and connected；The beneficial effects of the invention are as follows：Function is more, and purposes is wider, using low frequency three-component vibration sensor, improves the measuring accuracy of Dynamic character of soil, wall attaching device can reduce the influence of well liquid.
Description
Technical field
The present invention relates to a kind of drilling earth pulsation test equipments, belong to geotechnical engineering investigation in-situ test field.
Background technology
Currently, the data (predominant period etc.) that earth's surface earth pulsation measures can only reflect in more than ten meters of depth bounds of earth's surface
The comprehensive performance of soil vibration then reflects not enough the characteristic of deep soil layer, affected by environment larger；Not with national economy
Disconnected development, the construction of the large projects such as skyscraper, large bridge, subway and nuclear power plant is more and more, in Chinese east
Portion area, some engineering foundations go deep into tens meters of soil layer, be singly the provided soil layer power performance information of earth's surface earth pulsation not
Engine request can be met, need to be had gained some understanding to the Dynamic character of soil in deep；Earth's surface earth pulsation test equipment currently on the market
Have MT NEO earth pulsations tester, 941 type ultralow frequency vialogs etc. can contentedly pulsating detection requirement, but because its volume is larger,
It is non-watertight, it is impossible to be used in underground earth pulsation is tested；Velocity of wave test equipment has JBT-1 types probe (cannot meet the low frequency vein of the earth in well
Dynamic test request needs artificial excitation focus, increases testing tool and test job amount, and accumulation signal is not easy to control etc.), ZD11
(the relied on steel pole of probe used in wherein will appear nonrecoverable situation to buckle type wave velocity testing instrument, increase test
Workload and time), (wave detector receives in wellhole for excitation type wave velocity testing instrument, XG-I suspension type wave speed logging devices in the holes ZD16
Signal be well liquid vibration signal, the not vibration signal of wellhole soil layer, if very big error can be caused for testing earth pulsation)
Deng so a kind of preferable equipment of comprehensive performance is needed to occur to solve these problems.
Invention content
The present invention in view of the above-mentioned deficiencies in the prior art, provides a kind of drilling earth pulsation test equipment.
The technical solution that the present invention solves above-mentioned technical problem is as follows：
A kind of drilling earth pulsation test equipment, including middle brace rod, sensor outer housing, the middle brace rod is by centre
Rod piece, connecting rod and reducer union composition, the intermediate arm upper and lower ends are connect by connecting rod and identical reducing
One end connection of head；The other end of the reducer union with the adherent shell of the identical interior electromagnetism equipped with electric push rod one
End connection, one end of the electric push rod is equipped with telescopic rod close to one end of sensor outer housing, is all provided on the telescopic rod
There is adherent；The adherent shell other end of electromagnetism by fastening bolt with it is identical interior equipped with three-component vibration sensor
One end of sensor outer housing connects, and the three-component vibration sensor on the top is fixed on sensor outer housing bottom by fastening bolt
Place；The other end of the sensor outer housing on the top is connected by one end of fastening bolt and head cover, the other end of the head cover
It is connect with the bottom end that traction data transmission is integrally restricted by waterproof pin and box sub and screwed connection, the traction data transmission
The top integrally restricted is that instrument is adapted to connector, and the other end of the lower sensor shell is connected by fastening bolt and counter weight base
It connects；Integrally rope is made of the traction data transmission two steel wire ropes and ten heart cables.
The beneficial effects of the invention are as follows：The present invention can be used for the test of underground earth pulsation and earth's surface earth pulsation, it may also be used for
Underground wave velocity testing, function is more, and purposes is wider, and it is to search the vein of the earth using two low frequency three-component vibration sensors
Dynamic signal, the dynamic characteristics in place are calculated by corresponding software, are not necessarily to artificial excitation source, can at least be reduced by 1-2 tests
Personnel, and wall attaching device is relatively reliable, can need to stretch out according to test and withdraw, probe can be made closely to be adjacent to hole wall, kept away
Influence of the well liquid to vibration signal is exempted from；One rope design avoids more cable winds, improves testing efficiency；Two sets of three-components
The signal of sensor has good correlation, and improves the measuring accuracy of Dynamic character of soil；
Based on the above technical solution, the present invention can also be improved as follows.
Further, between the reducer union and the adherent shell of electromagnetism and between connecting rod, connecting rod is in
Between between rod piece, adherent be all made of and be threadedly coupled between telescopic rod.
Advantageous effect using above-mentioned further scheme is：Threaded connection is that the widely used dismountable fixation of one kind connects
It connects, it is simple in structure, connection is reliable, is convenient to mount and dismount.
Further, each junction is equipped with collision mat.
Advantageous effect using above-mentioned further scheme is：During use, collision mat can make each junction not
By humidity or there is the environment of water and destroy, to extend the service life of equipment.
Further, the length of the middle brace rod can carry out spreading as needed.
Advantageous effect using above-mentioned further scheme is：Adjustment length is needed according to different, facilitates storage and carrying.
Further, the steel wire rope uses two 304 stainless steel steel wire ropes, single diameter 5mm, single maximum capacity
147KN。
Advantageous effect using above-mentioned further scheme is：The pulling force that can be born probe decentralization and be promoted.
Further, ten hearts cable outsourcing, one layer of waterproofing grade IP68 water proof rubber crust, by steel wire rope and ten heart lines
Cable is linked to be entirety, and the waterproof pin and box sub waterproofing grade is IP68.
Advantageous effect using above-mentioned further scheme is：It, can be with using the highest level of connector waterproofing grade standard
Preferably equipment is protected not to be destroyed.
Further, described adherent uses waterproofing design.
Advantageous effect using above-mentioned further scheme is：The adherent design using waterproof, equipment can utilize it more
Good is fixed on the borehole wall, so that the information surveyed is more accurate.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is that underground earth pulsation tests system schematic.
Fig. 3 is sensor outer housing structure schematic diagram.
Fig. 4 is middle brace rod structural schematic diagram.
In the figure 1, traction data transmission is integrally restricted；2, steel wire rope；3, ten heart cable；4, waterproof pin and box sub；5, screw thread
Casing joint；6, head cover；7, fastening bolt；8, three-component vibration sensor；9, sensor outer housing；10, sensor outer housing bottom；
11, electric push rod；12, adherent；13, telescopic rod；14, the adherent shell of electromagnetism；15, reducer union；16, connecting rod；17、
Intermediate arm；18, counter weight base.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
A kind of drilling earth pulsation test equipment, including middle brace rod, sensor outer housing 9, the middle brace rod is in
Between rod piece 17, connecting rod 16 and reducer union 15 form, 17 upper and lower ends of the intermediate arm by connecting rod 16 with
One end of identical reducer union 15 connects；The other end of the reducer union 15 with it is identical it is interior be equipped with electric push rod 11
The adherent shell of electromagnetism 14 one end connection, one end of the electric push rod 11 is equipped with close to one end of sensor outer housing 9
Telescopic rod 13 is equipped with adherent 12 on the telescopic rod 13；Adherent 14 other end of shell of electromagnetism passes through fastening bolt 7
It is connect with one end of the identical interior sensor outer housing 9 equipped with three-component vibration sensor 8, the three-component vibration on the top passes
Sensor 8 is fixed on by fastening bolt 7 at sensor outer housing bottom 10；The other end of the sensor outer housing 9 on the top passes through tight
Fixing bolt 7 is connect with one end of head cover 6, the other end of the head cover 6 by waterproof pin and box sub 4 and screwed connection 5 with
Draw data transmission integrally rope 1 bottom end connection, it is described traction data transmission integrally rope 1 top be instrument be adapted to connector, institute
The other end for stating lower sensor shell 9 is connect by fastening bolt 7 with counter weight base 18；The traction data transmission is integrally restricted
1 is made of two steel wire ropes 2 and ten heart cables 3.
The present invention when making, between the reducer union 15 and the adherent shell of electromagnetism 14 and with connecting rod 16 it
Between, between connecting rod 16 and intermediate arm 17, be all made of and be threadedly coupled between telescopic rod 13 for adherent 12；Each junction is equal
Equipped with collision mat；The length of the middle brace rod can carry out spreading as needed；The steel wire rope 2 using two 304 not
Become rusty steel steel wire rope, single diameter 5mm, single maximum capacity 147KN；Ten hearts cable, 3 outsourcing, one layer of waterproofing grade IP68 is anti-
Steel wire rope 2 and ten heart cables 3 are linked to be entirety by water rubber crust, and 4 waterproofing grade of waterproof pin and box sub is IP68；It is described
Use waterproofing design for adherent 12.
The present invention operation principle be：When test, middle brace rod length is chosen by test request, each section is connected
Good, ten core cables 3 are supplied for two 8 signal transmissions of three-component vibration sensor and adherent system power supply, draw data transmission
The external mark scale of 1 rope of one rope, can measure distance of the probe away from well head, then recycle it to transfer equipment deep to test
Degree, starts electric push rod 11 telescopic rod 13 is driven to release adherent 12 and is adjacent to the borehole wall, and pressure reaches electronic after setting value and pushes away
Pull rod 11 stops, and waits for that signal stabilization starts the acquisition of earth pulsation data；Three-component vibration sensor 8 believes the soil vibration detected
Number signal amplifier is transmitted to by data line, passes to Acquisition Instrument after signal amplifies, Acquisition Instrument is by the analog signal of collection
It is saved in hard disk after being converted into digital signal, test data sampling is completed and starts 11 band of electric push rod after the completion of point acquisition
Dynamic telescopic rod 13 withdraws adherent 12, and using traction data transmission, integrally equipment is moved to next measuring point by rope 1, until all surveys
The data acquisition of point is completed；Later-stage utilization data processing software obtains velocity of wave, the Zhuo of site soil layers to test data analysis processing
The more dynamic characteristics such as period, excellent frequency.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of drilling earth pulsation test equipment, it is characterised in that：Including middle brace rod, sensor outer housing (9), the centre
Connecting rod is made of intermediate arm (17), connecting rod (16) and reducer union (15), intermediate arm (17) upper and lower ends
It is connect with one end of identical reducer union (15) by connecting rod (16)；The other end of the reducer union (15) with
One end connection of the adherent shell of electromagnetism (14) equipped with electric push rod (11) in identical, the one of the electric push rod (11)
End is equipped with telescopic rod (13) close to one end of sensor outer housing (9), is equipped with adherent (12) on the telescopic rod (13)；Institute
State the adherent shell of electromagnetism (14) other end by fastening bolt (7) with it is identical interior equipped with three-component vibration sensor (8)
One end of sensor outer housing (9) connects, and the three-component vibration sensor (8) on the top is fixed on biography by fastening bolt (7)
At sensor shell bottom (10)；The other end of the sensor outer housing (9) on the top passes through fastening bolt (7) and the one of head cover (6)
The other end of end connection, the head cover (6) passes through waterproof pin and box sub (4) and screwed connection (5) and traction data transmission
The top of the bottom end connection of one rope (1), the traction data transmission one rope (1) is that instrument is adapted to connector, and the lower part passes
The other end of sensor shell (9) is connect by fastening bolt (7) with counter weight base (18)；The traction data transmission is integrally restricted
(1) it is made of two steel wire ropes (2) and ten heart cables (3).
2. drilling earth pulsation test equipment according to claim 1, it is characterised in that：The reducer union (15) and electromagnetism
Between adherent shell (14) and between connecting rod (16), between connecting rod (16) and intermediate arm (17), adherent
(12) it is all made of and is threadedly coupled between telescopic rod (13).
3. drilling earth pulsation test equipment according to claim 1 or 2, it is characterised in that：Each junction is equipped with waterproof
Pad.
4. drilling earth pulsation test equipment according to claim 1, it is characterised in that：The length of the middle brace rod can
To carry out spreading as needed.
5. drilling earth pulsation test equipment according to claim 1, it is characterised in that：The steel wire rope (2) uses two
304 stainless steel steel wire ropes, single diameter 5mm, single maximum capacity 147KN.
6. drilling earth pulsation test equipment according to claim 1, it is characterised in that：Ten hearts cable (3) outsourcing one
Layer waterproofing grade IP68 water proof rubber crusts, are linked to be entirety, the waterproof pin and box sub by steel wire rope (2) and ten heart cables (3)
(4) waterproofing grade is IP68.
7. drilling earth pulsation test equipment according to claim 1, it is characterised in that：Described adherent (12) use waterproof
Design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155529.9A CN108560527A (en) | 2018-02-23 | 2018-02-23 | Drill earth pulsation test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155529.9A CN108560527A (en) | 2018-02-23 | 2018-02-23 | Drill earth pulsation test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108560527A true CN108560527A (en) | 2018-09-21 |
Family
ID=63531250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810155529.9A Withdrawn CN108560527A (en) | 2018-02-23 | 2018-02-23 | Drill earth pulsation test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108560527A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736284A (en) * | 2018-12-14 | 2019-05-10 | 东南大学 | It is a kind of for evaluating the vibration device and its test method of soil body dynamic characteristics |
| CN113252159A (en) * | 2021-06-23 | 2021-08-13 | 青岛市地铁四号线有限公司 | Movable probe of vibration monitoring equipment and vibration monitoring equipment |
-
2018
- 2018-02-23 CN CN201810155529.9A patent/CN108560527A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736284A (en) * | 2018-12-14 | 2019-05-10 | 东南大学 | It is a kind of for evaluating the vibration device and its test method of soil body dynamic characteristics |
| CN109736284B (en) * | 2018-12-14 | 2021-01-12 | 东南大学 | Testing method of vibration device for evaluating dynamic characteristics of soil body |
| CN113252159A (en) * | 2021-06-23 | 2021-08-13 | 青岛市地铁四号线有限公司 | Movable probe of vibration monitoring equipment and vibration monitoring equipment |
| CN113252159B (en) * | 2021-06-23 | 2023-03-31 | 青岛市地铁四号线有限公司 | Movable probe of vibration monitoring equipment and vibration monitoring equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1790017B (en) | Multifunctional multi-channel detection rod for monitoring pore water pressure of seabed soil | |
| CN102839693B (en) | Increase resistive shape anchor pole/anchorage cable anchoring quality monitoring device and application process | |
| CN104406568B (en) | Device and method for monitoring settlement of ground surface in deep water area | |
| CN104452726A (en) | Deep water region soil mass layered settlement monitoring device and method | |
| CN104697493A (en) | Underground preloading settlement monitoring system | |
| CN108560527A (en) | Drill earth pulsation test equipment | |
| CN109930580B (en) | Static sounding system suitable for shallow sea area and application method thereof | |
| CN105911612B (en) | A kind of multifunctional in-situ long-term observation device | |
| CN108343432A (en) | A kind of drilling pouring pile hole quality detection device and its detection method | |
| CN204214437U (en) | Profundal zone surface subsidence monitoring device | |
| CN110424363A (en) | A kind of weak soil soil response intensive parameter long range method for continuous measuring | |
| CN109946008A (en) | A kind of very three-dimensional stress of primary rock overcoring method measuring device and measuring method of spherical shape backpack body | |
| CN208105231U (en) | Drill earth pulsation test equipment | |
| CN206479268U (en) | For loess and the forced three-dimensional soil pressure sensor of weak soil | |
| CN105863701A (en) | Anchor rod sensor | |
| CN205638513U (en) | Stock sensor | |
| CN201649139U (en) | Cast-in-place pile loading test inner force testing device | |
| CN105043611A (en) | In-situ testing device for lateral expansive force of expansive soil | |
| CN2431563Y (en) | Rock mass CT detector | |
| CN209727899U (en) | A kind of discarded vertical gas boring and surveying device | |
| CN109029338B (en) | Embedded concrete strain measurement device and construction method thereof | |
| CN114109365B (en) | Dynamic liquid level monitoring method for drilling well | |
| KR200179851Y1 (en) | Device to measure stress waves inside a core hole of tunnel lining | |
| CN212620575U (en) | Cement medicated roll for monitoring deformation of anchoring structure | |
| CN204439038U (en) | A kind of ultrasound wave pile bottom sediment thickness measurement equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |