CN109267597A - A kind of piling bar surveys high control system and method - Google Patents
A kind of piling bar surveys high control system and method Download PDFInfo
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- CN109267597A CN109267597A CN201811263965.4A CN201811263965A CN109267597A CN 109267597 A CN109267597 A CN 109267597A CN 201811263965 A CN201811263965 A CN 201811263965A CN 109267597 A CN109267597 A CN 109267597A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The present invention provides a kind of device and method for measuring piling bar height for dredger and being controlled.It includes the distance measuring sensor being mounted on the maintenance platform of piling bar frame that the piling bar, which surveys high control equipment, wherein the axial direction of piling bar of the distance measuring sensor on the piling bar frame is installed substantially vertically up, the piling bar includes a piling bar main body and the driving cap above piling bar main body, the driving cap has from the protrusion part that the side wall of piling bar main body protrudes, the distance measuring sensor is used to emit radar signal to the driving cap, and the distance from the driving cap to the datum level of the distance measuring sensor is measured according to the reflection signal returned from the protrusion part of the driving cap, to obtain the height of the piling bar.
Description
Technical field
The present invention relates to electrical and field of electromechanical technology more particularly to a kind of piling bar radar to survey high control device and method.
Background technique
Piling bar surface used in traditional cutter suction dredger is smooth, with sufficient length and intensity to meet working water
Deep requirement.Traditional piling bar moves up and down distance by construction personnel by range estimation estimation, and precision is not high.And because of piling bar length
Length, outer diameter is big and weight is big, and piling bar can generate greater impact at work, in addition dredger is also deposited during twisting and inhaling
In larger vibration, therefore contact measurement method cannot be used.
Summary of the invention
It is an object of the present invention to provide a kind of piling bars to survey high control technology, one embodiment according to the present invention,
The present invention provides a kind of device and method of measurable cutter suction dredger piling bar height.
According to one aspect of the present invention, a kind of high control equipment of piling bar survey is provided, the equipment may include being mounted on
Distance measuring sensor on the maintenance platform of piling bar frame, wherein the axial base of piling bar of the distance measuring sensor on the piling bar frame
It is installed vertically upward in sheet, the piling bar includes a piling bar main body and the driving cap above piling bar main body, the driving cap
With from the protrusion part that the side wall of piling bar main body protrudes, the distance measuring sensor is used for driving cap transmitting radar letter
Number, and sensed according to the reflection signal returned from the protrusion part of the driving cap to measure from the driving cap to the ranging
The distance of the datum level of device, to obtain the height of the piling bar.
It further includes digital display that the piling bar of above-mentioned aspect, which surveys high control equipment, according to the present invention, wherein the ranging senses
Device can be used for the distance of the datum level of the driving cap to the distance measuring sensor being converted into a current signal and be output to institute
Digital display is stated, the digital display is used for defeated for receiving the current signal from the distance measuring sensor
Correspond to the second switch amount signal of piling bar highest point first switch amount signal and minimum point, out to control the piling bar respectively
Stopping is dispatched or is declined in stake.
The piling bar of above-mentioned aspect surveys high control equipment according to the present invention, and the digital display includes that be respectively used to will be described
First switch amount signal and the second switch amount signal are output to one for controlling the control system of piling bar height, wherein described
Control system is used to the first switch amount signal being transmitted to a hydraulic control device, to reduce the height of the piling bar, and
The control system is used for control device described in being used to for the second switch amount signal being transmitted to, to stop under the piling bar
Drop.
The piling bar of above-mentioned aspect surveys high control equipment according to the present invention, wherein the protrusion part of the driving cap is from the steel
The side wall of stake main body protrudes 200mm-300mm.
The piling bar of above-mentioned aspect surveys high control equipment according to the present invention, wherein the installation site distance of the distance measuring sensor
The distance of the side wall of the piling bar main body is 200mm-300mm.
The piling bar of above-mentioned aspect surveys high control equipment according to the present invention, wherein the preset inclination angle of the primary sensor is
0.5°-1.5°。
The piling bar of above-mentioned aspect surveys high control equipment according to the present invention, wherein the first switch amount signal is for indicating institute
Piling bar height is stated in the above 6m of distance measuring sensor datum level, the second switch amount signal is for indicating the piling bar height
In distance measuring sensor datum level meaning 35m.
The piling bar of above-mentioned aspect surveys high control equipment according to the present invention, wherein the distance measuring sensor be used to measure away from
From being converted to 4mA-20mA current signal.
According to one aspect of the present invention, a kind of high control method of piling bar survey is provided, including receives and is passed from a ranging
The signal of sensor, the signal is for indicating from the driving cap of a piling bar to the distance of the distance measuring sensor datum level；If
When the signal detected indicates that piling bar is promoted to highest order, exports first switch amount signal and/or controlled to reduce
The height of piling bar；And if when the expression piling bar detected is reduced to the signal of lowest order, output second switch amount signal and/
Or it is controlled to stop piling bar decline.
The piling bar of other side surveys high control method according to the present invention, further includes for being believed according to the first switch amount
Number control one piling bar hydraulic control device dispatched with carrying out down stake, to reduce the height of the piling bar；And for according to institute
It states second switch amount signal and controls the piling bar hydraulic control device, to stop piling bar decline.
The piling bar of other side surveys high control method according to the present invention, if further including that the signal detected indicates
When piling bar is promoted to highest order, the first alarm signal is exported, and if the expression piling bar detected is reduced to the letter of lowest order
Number when, export the second alarm signal.
The piling bar of other side surveys high control method according to the present invention, further includes utilizing a distance measuring sensor by microwave arteries and veins
It rushes signal and the driving cap is emitted to by an antenna, and receive the microwave signal of driving cap surface reflection to obtain the piling bar
Distance of the cap to the distance measuring sensor datum level.
The piling bar of other side surveys high control method according to the present invention, and further including will be described using the distance measuring sensor
The distance measured is converted to current signal, and is output to a digital display.
The piling bar of other side surveys high control method according to the present invention, wherein the current signal includes 4mA-20mA's
Current signal.
The piling bar of other side surveys high control method according to the present invention, further includes by setting on the digital display
Set button, output corresponds respectively to piling bar and promotes to highest point and drop to the first switch amount signal of minimum point and described
Second switch amount signal, to control the height of the piling bar.
The piling bar of other side surveys high control method according to the present invention, further includes that the first switch amount signal is exported
The control system for being used to control piling bar height to one, reduces the height of the piling bar to control the hydraulic control device, with
And the second switch amount signal is output to the control system for being used to control piling bar height, to control the hydraulic control
Device stops the decline of the piling bar.
Detailed description of the invention
The piling bar that Fig. 1 shows one embodiment according to the present invention surveys an example of high control equipment.
Fig. 2 shows the examples that the piling bar of one embodiment according to the present invention surveys high control equipment.
The piling bar that Fig. 3 shows one embodiment according to the present invention surveys an example of high control equipment.
The piling bar that Fig. 4 shows one embodiment according to the present invention surveys an example of high control method.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The piling bar that Fig. 1 shows one embodiment according to the present invention surveys the example of high control equipment.As shown in Figure 1, the steel
It may include piling bar trolley 120 that high control equipment 100 is surveyed in stake, can be used for going up and down piling bar 110, so that piling bar 110 can be upper and lower
It vertically moves.The piling bar trolley 120 can be realized ship's fix using piling bar 110 (for example, major-minor piling bar), move ship and stake
It dispatches.The piling bar trolley 120 can promote piling bar 110 using hydraulic control device 122 (for example, hydraulic cylinder).Such as Fig. 1
Shown, the piling bar trolley 120 is mountable on piling bar frame 130.The piling bar trolley 120 may also include piling bar suspension arrangement
124。
As described in Figure 1, the piling bar 110 may include piling bar main body 112, driving cap 114 and pile top (not shown).Piling bar
110 can have enough length and intensity to meet the needs of operating depth.One embodiment according to the present invention, the piling bar
Main body 112 can have cylindrical shape and have first diameter 140, and the driving cap 114 can have cylindrical shape and have
Second diameter 150.Although the driving cap 114 can have other shapes as shown in Figure 1, the driving cap 114 can be cylinder
Shape, such as the driving cap 114 include the protrusion part 114A that at least part can be protruded from the piling bar main body 112, such as
The driving cap 114 may include Elliptic Cylinder, regular multi-faceted column or irregular multi-faceted column or the driving cap 114
Section may include gear shape or other shapes.
As shown in Figure 1, may be provided with one or more distance measuring sensors on the maintenance platform 132 of the piling bar frame 130
160, the distance of the maintenance platform 132 is arrived for monitoring the driving cap 114.One embodiment according to the present invention, it is described
Distance measuring sensor 160 may include radar range finding sensor or other similar distance measuring sensor.As shown in Figure 1, distance measuring sensor
160 can be emitted to such as microwave pulse signal etc. by its antenna (not shown) in the table of the protrusion part 114A of driving cap 114
Face, then the microwave signal of the surface reflection of the protrusion part 114A of driving cap 114 is received again.For example, microwave can be with the light velocity
It propagates, is then emitted to received time and distance measuring sensor 160 to the protrusion part from the signal of distance measuring sensor 160
The distance of 114A can be substantially directly proportional.
One embodiment according to the present invention, the distance measuring sensor 160 can along piling bar 110 axial direction substantially vertically to
Upper installation, so that the axial direction of the datum level 162 of the distance measuring sensor 160 and piling bar 110 is substantially vertically.In one embodiment
In, gantry frame bracket (not shown) of distance measuring sensor 160 is adjusted, so that distance measuring sensor 160, which can have, is biased to piling bar 110
Axial deflection angle 164, such as the deflection angle can be such as about 0.5 ° -1.5 °, so as to the distance measuring sensor 160
Radar beam center line 168 be set to point to or at least adjacent to driving cap 114 protrusion part 114A edge, to guarantee steel
The height of stake 110 is detected in effective range, such as in 166 or more radar datum level such as about 6 meters to 35 meters ranges
Inside detected.Using the reflection of the protrusion lower surface part 114A of driving cap 114, distance measuring sensor 160 be can receive for example
Approximately half of reflection wave signal.In one embodiment, the angle of divergence 166 of the distance measuring sensor 160 can be for example big
About 6 ° or other angles, at least part back wave that the protrusion lower surface part 114A to receive from driving cap 114 is reflected
Signal.
One embodiment according to the present invention, the minimum range of the side wall of the distance measuring sensor 160 from piling bar main body 112
It may be configured as not influencing moving up and down for piling bar 110.Another embodiment according to the present invention, the distance measuring sensor 160 from
The maximum distance of the side wall of piling bar main body 112 may be configured as receiving the protrusion part lower surface 114A from driving cap 114
The edge reflections of about 200mm-300mm wide.
In one embodiment, the radiation pattern of pulse radar wave can be used to reduce transmission power, and focusing can be used
Lens mode dissipates angular focusing energy to reduce, to make to be not present in 166 range of the angle of divergence of the distance measuring sensor 160 solid
The scattering interference of body object.As shown in Figure 1, using the lower surface for protruding part 114A of driving cap 114 as radar range finding
The area of reflecting surface, the reflecting surface of protrusion part 114A is bigger, and obtained reflection wave signal is stronger, to go out for identification
The distance signal of driving cap.In one embodiment, the distance measuring sensor 160 can be along the axial substantially vertical of piling bar 110
Installation upwards, so that the reflecting surface of the protrusion part 114A of the ray from distance measuring sensor 160 and driving cap 114 is (under for example,
Surface) it is vertical as far as possible, reach maximization so as to make effectively to reflect signal.
The second diameter 150 of one embodiment according to the present invention, driving cap 114 can be greater than the piling bar main body 112
First diameter 140.For example, if the first diameter 140 of piling bar main body 112 is such as about ￠ 2220mm, the driving cap 114
Second diameter 150 can be such as about ￠ 2620mm.In one embodiment, the protrusion part 114A of driving cap 114 can surpass
The side wall of piling bar main body 112 such as about 200mm-300mm out.
In one embodiment, the distance of side wall of the distance measuring sensor 160 apart from piling bar 110 is remoter, the side wall of piling bar 110
To the interference of radar signal with regard to smaller.Distance measuring sensor 160 can be installed far from the side wall of piling bar 110, to reduce piling bar 110
Interference of the side wall to the radar signal from distance measuring sensor 160.Structure limitation based on piling bar frame 130, distance measuring sensor 160
The distance of side wall of the installation site apart from piling bar main body 112 can be such as about 200mm-300mm.The driving cap 114
Protrusion part 114A side wall of the side wall from piling bar main body 112 with a distance from be smaller than the distance measuring sensor 160 from the steel
The distance of the side wall of stake main body 112, so that the piling bar 110 can move up and down and be not exposed to the distance measuring sensor 160.Institute
Radar signal can be emitted to driving cap 114 as described above by stating distance measuring sensor 160, and be received from the protrusion part of driving cap 114
At least part that the lower surface of 114A is reflected reflects signal.
One embodiment according to the present invention, the distance measuring sensor are not contacted with driving cap 114, to can guarantee steel
The safety of stake operation, meets dredger complex working condition demand.
Although above embodiments have used specific value, it will be understood by those skilled in the art that the above numerical value is only
Illustrate the present invention, rather than limitation of the present invention.
One embodiment piling bar surveys a high example for controlling equipment according to the present invention as shown in Figure 2.In one embodiment
In, distance measuring sensor 160 that embodiment shown in Fig. 2 can be used at least one as shown in Figure 1 realizes that it is high that piling bar is surveyed.Such as Fig. 2
Shown, distance measuring sensor 210 can be electrically coupled to a digital display 220.
In one embodiment, distance measuring sensor 210 can emit radar wave (example by antenna alignment driving cap as described above
Such as, microwave pulse signal), the distance (example of distance measuring sensor 210 to driving cap is measured by detecting the back wave of driving cap
Such as, the lower surface of part is protruded from the datum level of distance measuring sensor 210 to driving cap).For example, due to being emitted to reception from signal
Time and sensor Ref face and driving cap protrusion part at a distance from substantially directly proportional, distance measuring sensor 210 can be from described
Time measures the distance that portion lower surface is protruded from sensor Ref face to driving cap.
As shown in Fig. 2, in one embodiment, the distance measured can be converted into electric current letter by distance measuring sensor 210
Number, and for example digital display 220 is output to via interface 212A, 212B and 212C.For example, the current signal may include example
Such as about 4mA-20mA.The distance measuring sensor 210 may also include debugging interface.The distance that distance measuring sensor 210 can will measure
It is converted to such as current signal of about 4mA-20mA and exports to digital display 220.Digital display 220 is via sensor
222 receive the current signal and show on the screen of digital display 220 232.
One embodiment according to the present invention, the digital display 220 may include upward button 234 and down button
236.Piling bar can be promoted to highest point to be output to two on-off models for dropping to minimum point and dredged by digital display 220
The control system (not shown) of dredging of ship, with the height for controlling piling bar, wherein minimum point output signal is in piling bar to limit
Speed is effective when declining.By the way that the button 234 and 236 is arranged on digital display 220 by described two on-off models
It is output to control system of dredging, thus chain with piling bar hydraulic control device, it is ensured that the safety of piling bar operation control.
For example, when piling bar rises, if distance measuring sensor 210 measures driving cap (for example, it protrudes portion lower surface)
(highest order is promoted to from lowest order corresponding at the top of piling bar) more than range sensor datum level about 35 meters, distance measuring sensor
210 exportable maximum current signals (for example, 20mA), to indicate that piling bar is promoted to highest point.The digital display 220 via
Sensor 222 receives expression piling bar promotion to the current signal of highest point.The upward button on digital display 220 can be passed through
The 234 control system output of dredging to dredger indicates that piling bar promotes the on-off model 224 to highest point.The control of dredging
System can be dispatched when receiving the alarm signal 224 by control piling bar hydraulic control device to carry out down stake, to reduce steel
The height of stake.
When piling bar is for example to limit speed decline, such as driving cap (it protrudes portion lower surface) distance ranging sensor
More than 210 datum level at about 6 meters, the exportable minimum current signal (for example, 4mA) of distance measuring sensor 210.The number is aobvious
Show that device 220 can drop to the switch of minimum point via down button 236 to the control system output expression piling bar of dredging of dredger
Measure signal 226.The control system of dredging controls piling bar hydraulic control device when receiving the alarm signal 224, so that steel
Stake decline stops.
When at the top of the piling bar between lowest order and highest order, the digital display 220 be not necessarily to through button 234 or
236 can control piling bar hydraulic device to carry out piling bar to control system output alarm signal of dredging, the control system of dredging
It is promoted or is declined.
One embodiment according to the present invention, the piling bar survey high control equipment safety and simply and reliablely carry out piling bar height
Measurement and control, and it is applicable to complex environment, such as dust, water mist, high temperature, high humidity etc., good working order can be kept,
It can be widely used in cutter suction dredger.
Although above embodiments have used specific value, it will be understood by those skilled in the art that the above numerical value is only
Illustrate the present invention, rather than limitation of the present invention.
Fig. 3 shows the example that one embodiment piling bar according to the present invention surveys high control equipment.In one embodiment,
The distance measuring sensor 160 that embodiment shown in Fig. 3 can be used at least one as shown in Figure 1 is high to realize piling bar survey.Such as Fig. 3 institute
Show, distance measuring sensor 310 can be electrically coupled to a display 320.
In one embodiment, distance measuring sensor 310 can emit radar wave (example by antenna alignment driving cap as described above
Such as, microwave pulse signal), the distance (example of distance measuring sensor 310 to driving cap is measured by detecting the back wave of driving cap
Such as, the lower surface of part is protruded from the datum level of distance measuring sensor 310 to driving cap).
As shown in figure 3, in one embodiment, the distance measured can be converted into indicating institute by distance measuring sensor 310
The signal of distance is stated, and is output to display 320, such as via wireless mode.Distance measuring sensor 310 can also believe the electric current
Number output is to control system 330, such as via wireless mode.The control system 330 can be monitored from the distance measuring sensor
310 distance signal, and when the distance signal indicates that piling bar is promoted to highest order or is reduced to lowest order, control piling bar liquid
Pressure control device 340 carries out down stake and dispatches or stop decline.
For example, when detecting is more than to indicate that piling bar is promoted to the distance signal of highest order, control system 330 exportable the
One alarm signal and/or first switch amount signal, and/or control piling bar hydraulic control device 340 are dispatched to carry out down stake, with drop
The height of low piling bar.
For example, indicating that piling bar is reduced to the distance letter of lowest order when detecting when piling bar is for example to limit speed decline
Number when, exportable second alarm signal of control system 330 and/or second switch amount signal, and/or control piling bar hydraulic control dress
340 are set to stop piling bar decline.
Fig. 4 shows the example that one embodiment according to the present invention surveys high control method to piling bar.In one embodiment
In, a control system (for example, shown in Fig. 2 or 3) can realize that piling bar surveys high control using embodiment shown in Fig. 4.
In one embodiment, 402, the control system can receive the signal from a distance measuring sensor, such as such as
Fig. 2 or Fig. 3, the signal can indicate the driving cap of a piling bar to the distance of the distance measuring sensor datum level.
404, if the control system can be when detecting that the signal indicates that piling bar is promoted to highest order, output the
One alarm signal and/or control piling bar hydraulic control device are dispatched with carrying out down stake, to reduce the height of piling bar.
406, if the control system detects that control system can be defeated when indicating that piling bar is reduced to the signal of lowest order
The second alarm signal and/or control piling bar hydraulic control device decline out to stop piling bar.
Although the piling bar that Fig. 4 shows one embodiment of the invention surveys high control method, according to the present invention another is implemented
Example, the method, which may also include, is emitted to the driving cap by an antenna for microwave pulse signal using a distance measuring sensor,
And receive the microwave signal of driving cap surface reflection come obtain the driving cap to the distance measuring sensor datum level distance.
According to another embodiment, the method, which may also include, is turned the distance measured using the distance measuring sensor
It is changed to current signal, and is output to a digital display.
According to another embodiment, the current signal includes the current signal of 4mA-20mA.
According to another embodiment, the method may also include through the setting button on the digital display, output
Correspond respectively to piling bar promoted to highest point and drop to minimum point the first switch amount signal and the second switch amount
Signal, to control the height of the piling bar.
According to another embodiment, the method, which may also include, is output to one for controlling the first switch amount signal
The control system of piling bar height reduces the height of the piling bar to control the hydraulic control device, and described second
On-off model is output to the control system for being used to control piling bar height, to control the hydraulic control device to stop
State the decline of piling bar.
According to one aspect of the present invention, high control system and method can be surveyed using piling bar of the invention to improve piling bar
Move up and down the estimation precision of distance, then improve move ship and stake dispatch.To which, construction personnel is from provided accurate measurement
Reliable decision-making foundation can be obtained in distance, then effectively improve construction efficiency.
According to another aspect of the invention, piling bar shown in the present invention surveys high control system and method with contactless survey
Amount mode measures heavy weight piling bar, then avoids the greater impact and larger vibration generated at work by piling bar
It influences, this non-contact measurement mode also ensures the safety of piling bar operation, meets the duty requirements of dredger complexity.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (15)
1. a kind of piling bar surveys high control equipment, it is characterised in that the ranging sensing on the maintenance platform including being mounted on piling bar frame
Device, wherein the axial direction of piling bar of the distance measuring sensor on the piling bar frame is installed substantially vertically up, the piling bar packet
A piling bar main body and the driving cap above piling bar main body are included, the driving cap is convex with protruding from the side wall of piling bar main body
Part out, the distance measuring sensor are used to emit radar signal to the driving cap, and according to the protrusion from the driving cap
The reflection signal returned is divided to measure the distance from the driving cap to the datum level of the distance measuring sensor, to obtain the steel
The height of stake.
2. piling bar as described in claim 1 surveys high control equipment, it is characterised in that further include digital display, wherein the survey
It can be used for for the distance of the datum level of the driving cap to the distance measuring sensor being converted into a current signal and defeated away from sensor
The digital display is arrived out, the digital display is used to receive the current signal from the distance measuring sensor, and
It is described to control respectively for exporting the second switch amount signal for corresponding to piling bar highest point first switch amount signal and minimum point
Stopping is dispatched or is declined in the stake of falling of piling bar.
3. the piling bar as described in the claims surveys high control equipment, it is characterised in that the digital display includes using respectively
In the first switch amount signal and the second switch amount signal are output to a control system for being used to control piling bar height,
Wherein the control system is used to the first switch amount signal being transmitted to a hydraulic control device, to reduce the piling bar
Highly, and the control system be used to for the second switch amount signal being transmitted to it is described be used for control device, described in stopping
Piling bar decline.
4. piling bar as described in the claims surveys high control equipment, it is characterised in that the protrusion part of the driving cap is from institute
State the side wall protrusion 200mm-300mm of piling bar main body.
5. the piling bar as described in the claims surveys high control equipment, it is characterised in that the installation site of the distance measuring sensor
The distance of side wall apart from the piling bar main body is 200mm-300mm.
6. the piling bar as described in the claims surveys high control equipment, it is characterised in that the preset inclination of the primary sensor
Angle is 0.5 ° -1.5 °.
7. the piling bar as described in the claims surveys high control equipment, it is characterised in that the first switch amount signal is used for table
Show the piling bar height in the above 6m of distance measuring sensor datum level, the second switch amount signal is for indicating the piling bar
Height is in distance measuring sensor datum level meaning 35m.
8. the piling bar as described in the claims surveys high control equipment, it is characterised in that the distance measuring sensor will be for that will measure
Distance be converted to 4mA-20mA current signal.
9. a kind of piling bar surveys high control method, comprising:
The signal from a distance measuring sensor is received, the signal is for indicating to sense from the driving cap of a piling bar to the ranging
The distance of device datum level；
If the signal detected indicates that piling bar is promoted to highest order, exports first switch amount signal and/or controlled
It makes to reduce the height of piling bar；And
If the expression piling bar detected is reduced to the signal of lowest order, exports second switch amount signal and/or controlled
To stop piling bar decline.
10. as above-mentioned piling bar as claimed in claim 9 surveys high control method, it is characterised in that further include:
It is dispatched for controlling a piling bar hydraulic control device according to the first switch amount signal with carrying out down stake, to reduce institute
State the height of piling bar；And
For controlling the piling bar hydraulic control device according to the second switch amount signal, to stop piling bar decline.
11. the piling bar as described in the claims surveys high control method, it is characterised in that further include:
If the signal detected indicates that piling bar is promoted to highest order, the first alarm signal is exported, and
If the expression piling bar detected is reduced to the signal of lowest order, the second alarm signal is exported.
12. the piling bar as described in the claims surveys high control method, it is characterised in that further include: utilize a distance measuring sensor
Microwave pulse signal is emitted to the driving cap by an antenna；And
Receive driving cap surface reflection microwave signal come obtain the driving cap to the distance measuring sensor datum level distance.
13. the piling bar as described in the claims surveys high control method, it is characterised in that further include:
The distance measured is converted into current signal using the distance measuring sensor, and is output to a digital display.
14. the piling bar as described in the claims surveys high control equipment, it is characterised in that the current signal includes 4mA-
The current signal of 20mA.
15. the piling bar as described in the claims surveys high control equipment, it is characterised in that further include by the number display
Setting button on device, output correspond respectively to the first switch amount letter that piling bar promoted to highest point and dropped to minimum point
Number and the second switch amount signal, to control the height of the piling bar.
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| CN201811263965.4A CN109267597A (en) | 2018-10-29 | 2018-10-29 | A kind of piling bar surveys high control system and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201400488Y (en) * | 2009-04-27 | 2010-02-10 | 中国建筑科学研究院建筑机械化研究分院 | Height displaying and controlling device of gear rack type construction platform or construction lifter |
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