CN109736301A - A kind of method that multi-shaft stirring stake machine and multi-shaft stirring stake machine depth measurement, is tested the speed - Google Patents
A kind of method that multi-shaft stirring stake machine and multi-shaft stirring stake machine depth measurement, is tested the speed Download PDFInfo
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- CN109736301A CN109736301A CN201910121299.9A CN201910121299A CN109736301A CN 109736301 A CN109736301 A CN 109736301A CN 201910121299 A CN201910121299 A CN 201910121299A CN 109736301 A CN109736301 A CN 109736301A
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- shaft stirring
- stake machine
- fixed pulley
- stirring stake
- velocity sensor
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- 238000003756 stirring Methods 0.000 title claims abstract description 66
- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 15
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 230000001373 regressive effect Effects 0.000 claims description 7
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
It stake machine depth measurement the invention discloses a kind of multi-shaft stirring stake machine and multi-shaft stirring, the method that tests the speed, a kind of multi-shaft stirring stake machine, force piece, counterweight, pulley blocks, two-way Hall velocity sensor and PLC including drill bit, driving drill bit, the fixed pulley is provided with permanent magnet induction disk, multiple blind holes that the permanent magnet induction disk is provided with；Two-way Hall velocity sensor is used to incude the blind hole in the permanent magnet induction disk, and is counted according to the rotation direction of fixed pulley to blind hole；PLC is communicated for controlling fixed pulley rotation direction, and with the two-way Hall velocity sensor.The present invention only needs the measurement of the complete pile-formation machine raising and lowering depth of two-way Hall velocity sensor energy and the measurement of speed, the signal of measurement is handled into programmable controller (PLC), machine drilling depth and speed is calculated in PLC, then touch screen real-time display is sent, operator is supplied to.
Description
Technical field
The present invention relates to multi-shaft stirring stake machine technical field more particularly to a kind of multi-shaft stirring stake machine and multi-shaft stirring stakes
Machine depth measurement, the method to test the speed.
Background technique
Drilling depth and speed when the work of multi-shaft stirring stake machine are the important control parameters of this machine work, and drilling is deep
The real-time monitoring of degree and speed is the necessary condition that mix cement slurry conforms to quality requirements when guaranteeing the work of stake machine.The previous stake
The depth measurement of machine, test the speed all be generally use rotary encoder and inductance approach switch, although rotary encoder measurement precision
Height, but since the outdoor environment of stake machine work is severe, have the defects that device is difficult to install, maintenance is inconvenient, the service life is not grown；Inductance
Formula improves to some extent close to switch compared with rotary encoder, simple installation, high reliablity, but must be measured on a machine using two
Decline is risen, precision has sharp fall compared with rotary encoder.
Summary of the invention
For the above-mentioned deficiency of the prior art, technical problem to be solved by the present invention lies in propose a kind of multi-shaft stirring
Stake machine and multi-shaft stirring stake machine depth measurement, the method that tests the speed.
The technical solution used to solve the technical problems of the present invention is that:
A kind of multi-shaft stirring stake machine characterized by comprising
Drill bit；
Drive the force piece of drill bit；
Counterweight；
Pulley blocks connect force piece and counterweight；The pulley blocks are provided with fixed pulley and multiple movable pulleys, the fixed pulley
It is provided with permanent magnet induction disk, multiple blind holes that the permanent magnet induction disk is provided with；
Two-way Hall velocity sensor, for incuding the blind hole in the permanent magnet induction disk, and according to the rotation of fixed pulley
Direction counts blind hole；When fixed pulley rotates forward, the number of the cumulative blind hole sensed of two-way Hall velocity sensor is fixed sliding
When wheel rotates backward, the number for the blind hole that the two-way Hall velocity sensor regressive senses；
PLC is communicated for controlling fixed pulley rotation direction, and with the two-way Hall velocity sensor.
Preferably, permanent magnet induction disk is non-magnetic epoxy resins insulation plectane, and the blind hole in the permanent magnet induction disk is set
It is equipped with rare-earth magnet.
Preferably, the end face of the permanent magnet induction disk is circle, and the permanent magnet induction disk is bolted on fixed pulley
End face.
Preferably, the Zhou Changwei 1m of the fixed pulley.
Preferably, the quantity of blind hole is 22 in the permanent magnet induction disk.
Preferably, the quantity of the movable pulley is 6.
It is a kind of multi-shaft stirring stake machine depth measurement, the method that tests the speed characterized by comprising
Permanent magnet induction disk is installed on to the end face of fixed pulley in multi-shaft stirring stake machine, and the permanent magnet induction disk is circumferentially uniform
Multiple blind holes are provided with, are equipped with rare-earth magnet in the blind hole；
Two-way Hall velocity sensor is installed on multi-shaft stirring stake machine middle pulley bracket, and two-way Hall is tested the speed
Sensor and the permanent magnet induction disk are at a distance of pre-determined distance；Blind hole of the fixed pulley in rotation, in the permanent magnet induction disk
The induction region for back and forth passing through the two-way Hall velocity sensor incudes blind hole by two-way Hall velocity sensor, and right
The blind hole sensed is counted according to the rotation direction of fixed pulley, and when fixed pulley rotates forward, two-way Hall velocity sensor is cumulative
The number of the blind hole sensed, when fixed pulley rotates backward, blind hole that the two-way Hall velocity sensor regressive senses
Number；
It controls fixed pulley by PLC to rotate forward or rotate backward, the PLC sends fixed pulley and tests the speed biography to two-way Hall
Sensor；
The brill for measuring multi-shaft stirring stake machine is deep:
L=C/A/B*N
L indicates to bore deep, C expression fixed pulley perimeter, A expression movable pulley quantity, and B indicates the number of blind hole in each fixed pulley
Amount, N indicate the counting of two-way Hall velocity sensor；
Measure the down or up speed of multi-shaft stirring stake machine:
V=L/T
V indicates the down or up speed of multi-shaft stirring stake machine, and L indicates that the brill of multi-shaft stirring stake machine is deep, and T indicates that multiaxis stirs
Mix the down or up time of a machine.
Preferably, two-way Hall velocity sensor sends the information counted and calculates multi-shaft stirring to PLC, and by PLC
The deep down or up speed with multi-shaft stirring stake machine of the brill of stake machine.
Preferably, the PLC be equipped with that the brill for showing multi-shaft stirring stake machine is deep and the decline of multi-shaft stirring stake machine or
The screen of lifting speed.
The present invention only needs the measurement and speed of the complete pile-formation machine raising and lowering depth of two-way Hall velocity sensor energy
The signal of the measurement of degree, measurement is handled into programmable controller (PLC), and machine drilling depth and speed is calculated in PLC,
Then touch screen real-time display is sent, operator is supplied to.
Detailed description of the invention
Fig. 1 is the side view of multi-shaft stirring stake machine in Examples 1 and 2.
Fig. 2 is the front view of multi-shaft stirring stake machine in Examples 1 and 2.
Fig. 3 is the front view of permanent magnet induction disk in Examples 1 and 2.
Fig. 4 is the sectional view of permanent magnet induction disk in Examples 1 and 2.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment 1
Fig. 1-Fig. 4 is please referred to, the invention discloses a kind of multi-shaft stirring stake machines, including drill bit 100, force piece 200, counterweight
300 and pulley blocks 400；The force piece 200 for driving the drill bit 100, counterweight 300 make drill bit 100 in drilling well more
Stablize.
Pulley blocks 400 connect force piece 200 and counterweight 300；In this embodiment, the pulley blocks 400 are equivalent to thick stick
Bar.The pulley blocks 400 are provided with fixed pulley and multiple movable pulleys, and the fixed pulley is provided with permanent magnet induction disk 410, it is described forever
Multiple blind holes 411 that magnetic induction disk 410 is provided with；
Two-way Hall velocity sensor 500, for incuding the blind hole 411 in the permanent magnet induction disk 410, and according to determining cunning
The rotation direction of wheel counts (statistics pulse number) to blind hole 411；When fixed pulley rotates forward, two-way Hall velocity sensor
The number of the 500 cumulative blind holes 411 sensed, that is, be exactly summation pulse number, it is described two-way when fixed pulley rotates backward
The number for the blind hole 411 that 500 regressive of Hall velocity sensor senses, that is, regressive pulse number.
In the present embodiment, for example, the fixed pulley rotates forward, and two-way Hall velocity sensor 500 incudes
To 5 blind holes, then two-way Hall velocity sensor counts 5 times, if fixed pulley in a disguised form inverts at this time, two-way Hall velocity sensor
500 sense 2 blind holes, then two-way Hall velocity sensor counts 3 times, and the counting of two-way Hall velocity sensor is equal to two-way
Hall velocity sensor 500 incudes the number that fixed pulley rotates forward and subtracts the two-way induction of Hall velocity sensor 500 fixed pulley
Counter-rotational number.So, though multi-shaft stirring stake machine at work, raising and lowering alternately, nor affects on
Measurement is bored deeply, and PLC is calculated according to L=C/A/B*N and bored deep (drilling depth), is shown to operator by screen.
Fixed pulley rotation direction is sent to two-way Hall and tested the speed sensing by PLC600 for controlling fixed pulley rotation direction
Device 500；And receive counting of the two-way Hall velocity sensor 500 to blind hole 411.
Blind hole 411 is incuded in order to avoid permanent magnet induction disk 410 itself interferes with the two-way Hall velocity sensor 500,
Permanent magnet induction disk 410 is non-magnetic epoxy resins insulation plectane, and the blind hole 411 in the permanent magnet induction disk 410 is provided with dilute
Native magnet.
The end face of the permanent magnet induction disk 410 is circle, and the permanent magnet induction disk 410 is bolted on fixed pulley
End face.
The disk body material of the production method of the permanent magnet induction disk 410, permanent magnet induction disk 410 uses non-magnetic asphalt mixtures modified by epoxy resin
Rouge insulation plectane, end face even circumferential bore the blind hole 411 of 22 Ф 15mm, 22 rare-earth magnets of diameter Ф 15*3mm are used
Strength is adhesive at blind hole 411, and this completes the production of rare earth permanent magnet inductive disks 410.
The Zhou Changwei 1m of the fixed pulley.
The quantity of blind hole 411 is 22 in the permanent magnet induction disk 410.
The quantity of the movable pulley is 6.
In this embodiment, deep and speed Computing Principle: pulley circumference 1m is bored, that is, when pulley circles steel
The length of cord just down or up 1m, then stake machine is transmitted on drill bit 100 by 6 groups of movable pulleys decelerations, on drill bit 100
It rises or falls to the 1/12 of 1m, i.e. 8.3cm, when being exactly 100 down or up 8.3cm of drill bit, two-way Hall velocity sensor 500
It counts umber of pulse and increases or decreases 22.Namely two-way Hall velocity sensor 500 increases or decreases a pulse pair and should move
The down or up 3.79mm of power.As long as therefore count umber of pulse increase or decrease how much be known that stake mechanomotive force head decline or
Rise how many, it is deep thus to have measured brill.Tachometric survey is the umber of pulse passed through digit's period (5 seconds), then
You can get it by being converted to the rice number passed through per minute drilling speed (m/min).
Embodiment 2
Please refer to Fig. 1-Fig. 4, it is a kind of multi-shaft stirring stake machine depth measurement, the method that tests the speed, comprising:
Permanent magnet induction disk 410 is installed on to the end face of fixed pulley in multi-shaft stirring stake machine, and the permanent magnet induction disk 410 weeks
To multiple blind holes 411 are evenly arranged with, rare-earth magnet is equipped in the blind hole 411；
Two-way Hall velocity sensor 500 is installed on multi-shaft stirring stake machine middle pulley bracket, and makes two-way Hall
Velocity sensor 500 and the permanent magnet induction disk 410 are at a distance of pre-determined distance；The fixed pulley is in rotation, the permanent magnet induction
Blind hole 411 in disk 410 back and forth passes through the induction region of the two-way Hall velocity sensor 500, is tested the speed by two-way Hall
Sensor 500 incudes blind hole 411, and is counted to the blind hole 411 sensed according to the rotation direction of fixed pulley, and fixed pulley forward direction turns
When dynamic, the number of the cumulative blind hole 411 sensed of two-way Hall velocity sensor 500 is described two-way when fixed pulley rotates backward
The number for the blind hole 411 that 500 regressive of Hall velocity sensor senses；
It controls fixed pulley by PLC600 to rotate forward or rotate backward, the PLC600 sends fixed pulley to two-way Hall
Velocity sensor 500；
The brill for measuring multi-shaft stirring stake machine is deep:
L=C/A/B*N
L indicates to bore deep, C expression fixed pulley perimeter, A expression movable pulley quantity, and B indicates blind hole 411 in each fixed pulley
Quantity, N indicate the counting of two-way Hall velocity sensor 500；
Measure the down or up speed of multi-shaft stirring stake machine:
V=L/T
V indicates the down or up speed of multi-shaft stirring stake machine, and L indicates that the brill of multi-shaft stirring stake machine is deep, and T indicates that multiaxis stirs
Mix the down or up time of a machine.
In this embodiment, the Zhou Changwei 1m of the fixed pulley；The quantity of blind hole 411 in the permanent magnet induction disk 410
It is 22；The quantity of the movable pulley is 6.
In this embodiment, deep and speed Computing Principle: pulley circumference 1m is bored, that is, when fixed pulley circles
The length of wirerope just down or up 1m, then stake machine is transmitted on drill bit 100 by 6 groups of movable pulleys decelerations, drill bit 100
It rises or falls as the 1/12 of 1m, i.e. 8.3cm, when being exactly 100 down or up 8.3cm of drill bit, two-way Hall velocity sensor
500 counting umber of pulses increase or decrease 22.Namely two-way Hall velocity sensor 500 increases or decreases a pulse pair and answers
The down or up 3.79mm of power head.Increase or decrease how much be known that stake mechanomotive force head declines as long as therefore counting umber of pulse
Or rise how many, it is deep thus to have measured brill.Tachometric survey is the umber of pulse passed through digit's period (5 seconds), so
You can get it by being converted to the rice number passed through per minute afterwards drilling speed (m/min).
Two-way Hall velocity sensor 500 sends the information counted and stirs to PLC600, and by PLC600 to calculate multiaxis
Mix the deep down or up speed with multi-shaft stirring stake machine of brill of a machine.
The PLC600 is equipped with the deep down or up speed with multi-shaft stirring stake machine of brill for showing multi-shaft stirring stake machine
The screen of degree.
The down or up of brill (drilling depth) and multi-shaft stirring stake machine deeply of multi-shaft stirring stake machine can be shown by screen
Speed.
Specifically, the two-way Hall velocity sensor periodically occurs to count (pulse number) toward PLC, PLC is according to V=L/
T calculates down or up speed of the multi-shaft stirring stake machine in T time；And show multi-shaft stirring stake machine in T time by screen
Interior down or up average speed.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of multi-shaft stirring stake machine characterized by comprising
Drill bit；
Drive the force piece of drill bit；
Counterweight；
Pulley blocks connect force piece and counterweight；The pulley blocks are provided with fixed pulley and multiple movable pulleys, the fixed pulley setting
There are permanent magnet induction disk, multiple blind holes that the permanent magnet induction disk is provided with；
Two-way Hall velocity sensor, for incuding the blind hole in the permanent magnet induction disk, and according to the rotation direction of fixed pulley
Blind hole is counted；When fixed pulley rotates forward, the number of the cumulative blind hole sensed of two-way Hall velocity sensor, fixed pulley is anti-
To rotation when, the number for the blind hole that the two-way Hall velocity sensor regressive senses；
PLC is communicated for controlling fixed pulley rotation direction, and with the two-way Hall velocity sensor.
2. a kind of multi-shaft stirring stake machine according to claim 1, it is characterised in that: permanent magnet induction disk is non-magnetic epoxy
Insulation resin plectane, the blind hole in the permanent magnet induction disk are provided with rare-earth magnet.
3. a kind of multi-shaft stirring stake machine according to claim 2, it is characterised in that: the end face of the permanent magnet induction disk is circle
Shape, the permanent magnet induction disk are bolted on the end face of fixed pulley.
4. a kind of multi-shaft stirring stake machine according to claim 3, it is characterised in that: the Zhou Changwei 1m of the fixed pulley.
5. a kind of multi-shaft stirring stake machine according to claim 4, it is characterised in that: the number of blind hole in the permanent magnet induction disk
Amount is 22.
6. a kind of multi-shaft stirring stake machine according to claim 5, it is characterised in that: the quantity of the movable pulley is 6.
7. it is a kind of multi-shaft stirring stake machine depth measurement, the method that tests the speed characterized by comprising
Permanent magnet induction disk is installed on to the end face of fixed pulley in multi-shaft stirring stake machine, and the permanent magnet induction disk is circumferentially uniformly arranged
There are multiple blind holes, is equipped with rare-earth magnet in the blind hole；
Two-way Hall velocity sensor is installed on multi-shaft stirring stake machine middle pulley bracket, and two-way Hall is tested the speed sensing
Device and the permanent magnet induction disk are at a distance of pre-determined distance；For the fixed pulley in rotation, the blind hole in the permanent magnet induction disk is reciprocal
By the induction region of the two-way Hall velocity sensor, blind hole is incuded by two-way Hall velocity sensor, and to induction
The blind hole arrived is counted according to the rotation direction of fixed pulley, when fixed pulley rotates forward, the cumulative induction of two-way Hall velocity sensor
The number of the blind hole arrived, when fixed pulley rotates backward, the number for the blind hole that the two-way Hall velocity sensor regressive senses；
It controls fixed pulley by PLC to rotate forward or rotate backward, the PLC sends fixed pulley and tests the speed sensing to two-way Hall
Device；
The brill for measuring multi-shaft stirring stake machine is deep:
L=C/A/B*N
L indicates to bore deep, C expression fixed pulley perimeter, A expression movable pulley quantity, and B indicates the quantity of blind hole in each fixed pulley, N table
Show the counting of two-way Hall velocity sensor；
Measure the down or up speed of multi-shaft stirring stake machine:
V=L/T
V indicates the down or up speed of multi-shaft stirring stake machine, and L indicates that the brill of multi-shaft stirring stake machine is deep, and T indicates multi-shaft stirring stake
The down or up time of machine.
8. it is according to claim 7 it is a kind of multi-shaft stirring stake machine depth measurement, the method that tests the speed, it is characterised in that: two-way Hall
Velocity sensor sends the information counted to PLC, and the brill depth and multi-shaft stirring stake machine of multi-shaft stirring stake machine are calculated by PLC
Down or up speed.
9. it is according to claim 8 it is a kind of multi-shaft stirring stake machine depth measurement, the method that tests the speed, it is characterised in that: the PLC is set
Have for showing the deep screen with the down or up speed of multi-shaft stirring stake machine of the brill of multi-shaft stirring stake machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650293 | 2018-12-31 | ||
| CN2018116502932 | 2018-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109736301A true CN109736301A (en) | 2019-05-10 |
Family
ID=66367626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910121299.9A Pending CN109736301A (en) | 2018-12-31 | 2019-02-19 | A kind of method that multi-shaft stirring stake machine and multi-shaft stirring stake machine depth measurement, is tested the speed |
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| CN (1) | CN109736301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115494511A (en) * | 2022-11-22 | 2022-12-20 | 中交天津港湾工程研究院有限公司 | Method for measuring moving distance of underwater object by applying depth finder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843875A (en) * | 1987-04-27 | 1989-07-04 | Schlumberger Technology Corporation | Procedure for measuring the rate of penetration of a drill bit |
| CN201620881U (en) * | 2010-03-19 | 2010-11-03 | 李欣 | Well drilling operation process monitoring instrument |
| CN201851002U (en) * | 2010-11-20 | 2011-06-01 | 威海市海泰起重机械有限公司 | PLC (Programmable Logic Controller) controlled frequency conversion pile driver |
| CN203239317U (en) * | 2013-04-01 | 2013-10-16 | 德州联合石油机械有限公司 | Working parameter measuring device of screw drill tool for petroleum drilling |
| CN103938629A (en) * | 2014-04-02 | 2014-07-23 | 宁波鸿晨建设有限公司 | Pressurized type long bored pile machine and method for drilling by means of pile machine |
| CN210002391U (en) * | 2018-12-31 | 2020-01-31 | 浙江中锐重工科技有限公司 | multi-shaft mixing pile machine |
-
2019
- 2019-02-19 CN CN201910121299.9A patent/CN109736301A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843875A (en) * | 1987-04-27 | 1989-07-04 | Schlumberger Technology Corporation | Procedure for measuring the rate of penetration of a drill bit |
| CN201620881U (en) * | 2010-03-19 | 2010-11-03 | 李欣 | Well drilling operation process monitoring instrument |
| CN201851002U (en) * | 2010-11-20 | 2011-06-01 | 威海市海泰起重机械有限公司 | PLC (Programmable Logic Controller) controlled frequency conversion pile driver |
| CN203239317U (en) * | 2013-04-01 | 2013-10-16 | 德州联合石油机械有限公司 | Working parameter measuring device of screw drill tool for petroleum drilling |
| CN103938629A (en) * | 2014-04-02 | 2014-07-23 | 宁波鸿晨建设有限公司 | Pressurized type long bored pile machine and method for drilling by means of pile machine |
| CN210002391U (en) * | 2018-12-31 | 2020-01-31 | 浙江中锐重工科技有限公司 | multi-shaft mixing pile machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115494511A (en) * | 2022-11-22 | 2022-12-20 | 中交天津港湾工程研究院有限公司 | Method for measuring moving distance of underwater object by applying depth finder |
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