CN2452006Y - Remote-measuring and remote-controlling horizontal vertical displacement meter - Google Patents
Remote-measuring and remote-controlling horizontal vertical displacement meter Download PDFInfo
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- CN2452006Y CN2452006Y CN 00241131 CN00241131U CN2452006Y CN 2452006 Y CN2452006 Y CN 2452006Y CN 00241131 CN00241131 CN 00241131 CN 00241131 U CN00241131 U CN 00241131U CN 2452006 Y CN2452006 Y CN 2452006Y
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- counterweight
- liquid
- measuring
- liquid level
- vertical displacement
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Abstract
The utility model relates to a large dam horizontal vertical displacement meter, two parts of which are respectively improved. On the horizontal part, the weight of a measuring steel wire is changed into the way of electric control; the suspension and the lying down of the weight are controlled by a built-in small hoist, and the displacement is read out via a coder. The vertical part is additionally provided with a liquid supply tank, and an electromagnetic valve is arranged to be connected with a level meter; the electromagnetic valve is operated by the controller to supply the liquid. When a bob driven by a stepping motor descends to be contacted with the level, the liquid column of the level meter and the controller forms a circuit, and then the controller stops descending. The displacement is obtained via the rotation angle of the stepping motor. Two displacement measurements realize the automation, the remote measurement, and the remote control, which enhances the measuring accuracy.
Description
The utility model relates to a kind of water power hydraulic engineering monitoring equipment, particularly a kind of remote measuring and controlling horizontal and vertical displacement meter of monitoring the dam displacement amount.
In the dam of water power hydraulic engineering, particularly earth and rockfill dam (comprising rock) work progress, need monitor the distortion of dam, after dam builds up, also need to carry out long term monitoring.The distortion of dam comprises perpendicular displacement and horizontal shift.Horizontal and vertical displacement meter is adopted in this in the prior art monitoring, its structure comprises two parts, the horizontal displacement monitoring part: fix a measuring steel wire on the measuring point in the dam dam body, the other end of steel wire is wrapped on the steamboat (this area is called " reel ") of an axle system; Be wound with hanging steel rope on the bull wheel (this area is called " runner ") of wheel shaft, the free end system of hanging steel rope has counterweight (being also referred to as weight), counterweight to comprise constant weight and counterweight two strings.Counterweight loads tension force by wheel shaft on measuring steel wire.When the displacement of dam occurred level, measuring steel wire moves thereupon, and displacement is read by the vernier survey chi that is fixed on the measuring steel wire.For the temperature deformation of the eliminating measuring steel wire influence to measuring accuracy, measuring steel wire adopts the very little stainless indium steel silk of thermal expansivity, and when not measuring, the counterweight that loads on the measuring steel wire need be put down, to reduce creeping of steel wire.So when measuring, need to load counterweight earlier, measure again.The perpendicular displacement test section of horizontal and vertical displacement meter is: be provided with a liquid level gauge, sedimentation gauge head in the lower end of liquid level gauge measuring tube is provided with communicating pipe and is fixed on dam body is communicated with, fill with liquid in communicating pipe and (generally adopt air free water, cold district uses special non freezing solution), when dam generation sedimentation, the sedimentation thereupon of sedimentation gauge head, charge into liquid to communicating pipe, the liquid that has more in the pipe can overflow from the vertical tube mouth of pipe in the gauge head, and discharge dam body from the drainpipe of gauge head bottom, make liquid level and gauge head level balance in the liquid level gauge.Read the liquid level difference of twice measuring tube in front and back, be the relative settlement amount of dam.In order to replenish vapour loss, all need before each the measurement earlier to the liquid level gauge liquid of annotating in communicating pipe, motionless until liquid level stabilizing, illustrate that liquid level is concordant with the sedimentation gauge head vertical tube mouth of pipe, could reading of data, again with last time measurement data compare, draw the dam settlement amount.As seen, two kinds of measuring operation are more complicated all, and two of level, perpendicular displacement kinds of data all are with non electrical quantity output in addition, cause this instrument to be difficult to realize automatic measurement.In addition, the measuring process of these two kinds of data all is manually-operated, is difficult to eliminate subjective error.Very big because of dam surveying work amount simultaneously, condition is very arduous, under situations such as weather extremes, causes easily to lack survey, test leakage, influences the continuity and the integrality of survey data.
Task of the present utility model provides a kind of horizontal and vertical displacement meter of new construction, make the operation of dam displacement monitoring realize robotization completely, and on the basis of robotization, realize remote measurement, remote control, to alleviate monitoring personnel's labour intensity, improve working conditions, eliminate the subjective error that the manual read fetches data simultaneously, improve measuring accuracy, guarantee the continuity and the integrality of survey data.
On the basis of existing level vertical displacement meter, scheme of the present utility model is: two parts of horizontal and vertical displacement meter are improved respectively, and the part of measurement horizontal shift can continue to be set together as an instrument with the part of measuring vertical displacement after improving; Also can divide to be arranged, as two kinds of instruments.Work respectively.The horizontal shift measure portion is: fix a measuring steel wire in the dam dam body on the measuring point, the other end of steel wire is wrapped on the reel of axle system, on the runner of wheel shaft, be wound with hanging steel rope, there are constant weight counterweight and counterweight counterweight in the free end system of hanging steel rope, it is characterized in that: counterweight adopts electronic counterweight, be provided with the small winch that is driven by micromotor in counterweight inside, the free end of hanging steel rope is fixed on the small winch.At ordinary times, only stay the constant weight counterweight to be suspended on the steel wire, to keep the state that is provided with of steel wire; The counterweight counterweight is placed at the bottom of the case, to reduce the tension force that steel wire was born.During measurement, start windlass the counterweight counterweight is mentioned, be in suspension status, measuring steel wire is loaded the tension force that counterweight produces, and can measure.After measuring end, oppositely start windlass, the counterweight counterweight is landed automatically, eliminate the tension force that counterweight produces.Realized automatic operation like this.When the dam body displacement makes the change in location of constant weight counterweight, for example rising has contacted case top or jump area down, also can start windlass and adjust its height, to keep constant weight.The preferred version of this part is: 1, scrambler is set on wheel shaft, directly measures the dam displacement amount by the reading of scrambler angle of rotation, realize measuring automatically.2, on the upper and lower casing of the upper and lower end of two counterweights or counterweight, limit switch is set, when the position of counterweight is too high or too low, can starts windlass automatically and adjust its position.Limit switch described here can adopt mechanical limit switch; Also can adopt circuit controling switch or magnetic switch etc.Because scrambler is output as electrical parameter; Windlass also is to utilize contactor control, so realized remote measurement, remote control on the basis of robotization.The technical scheme of the part of measuring vertical displacement is: be provided with a liquid level gauge, the sedimentation gauge head in the lower end of liquid level gauge measuring tube is provided with communicating pipe and is fixed on dam body is communicated with, and fills with liquid in communicating pipe.It is characterized in that: be provided with a liquid supply box, liquid supply box is established pipeline and is linked to each other with liquid level gauge, pipeline is provided with solenoid valve, above liquid level gauge, be provided with the plummet that drives by stepper motor and reel, liquid column in plummet and the liquid level gauge becomes circuit to be connected with controller respectively, and the output of controller is connected with solenoid valve and plummet motor.During measurement, the controller opens solenoid valve, liquid supply box injects liquid in liquid level gauge, after waiting for one default period, liquid level in the liquid level gauge reaches concordant with the sedimentation gauge head vertical tube mouth of pipe, controller rotates plummet driven by motor reel, plummet descends, when under the plummet during end in contact liquid level, the circuit of liquid column and controller is connected in plummet, the liquid level gauge becomes the loop, and this signal stops operating the plummet motor by controller, because of the plummet motor has adopted stepper motor, angle according to stepper motor rotates can record liquid level data automatically.Prioritization scheme is: also be provided with liquid reserve tank, be connected with liquid supply box by water pump, to replenish the amount of liquid in the liquid supply box.The solenoid valve of liquid make-up, the stepper motor of plummet are controlled by controller; The rotation data of stepper motor is also imported controller, has realized remote measurement and remote control.
The new construction horizontal and vertical displacement meter that the application provides, the operation that dam displacement is measured has realized robotization completely, and on the basis of robotization, remote measurement, remote control have been realized, can alleviate monitoring personnel's work significantly, also eliminate the subjective error that the manual read fetches data simultaneously, improved precision and the reliability measured.The remote measurement of this robotization, remote control can also be guaranteed the continuity and the integrality of survey data.As the scheme that adopts level, vertical two parts to be provided with respectively, using can be convenient.
Now be described further with embodiment in conjunction with the accompanying drawings.
Fig. 1, Fig. 2 are horizontal shift measure portion structural representation in the horizontal and vertical displacement meter;
Fig. 3 is a perpendicular displacement measure portion structural representation in the horizontal and vertical displacement meter.
Embodiment 1, the horizontal shift measure portion, with reference to Fig. 1, Fig. 2: fix a measuring steel wire 1 on the measuring point in the dam dam body, the other end of steel wire is wrapped on the reel 2 of axle system, be wound with hanging steel rope 4 on the runner 3 of wheel shaft, there are constant weight counterweight 5, counterweight counterweight 6 in the free end system of hanging steel rope, it is characterized in that: adopt electronic counterweight, be provided with the small winch 7 that is driven by micromotor 8 in counterweight inside, the free end of hanging steel rope is fixed on the small winch.Scrambler 9 is set on wheel shaft.During measurement, start windlass the counterweight counterweight is mentioned, be in suspension status, measuring steel wire is loaded whole tension force, can measure, and promptly directly measures the dam displacement amount by the reading of scrambler angle of rotation.After measuring end, oppositely start windlass, the counterweight counterweight is landed automatically, measuring steel wire is eliminated partial tension.Upper/lower terminal at two counterweights is provided with magnet, above the casing, below on the relevant position, be provided with magnetic control near switch, when the position of counterweight was too high or too low, magnetic control started the position that windlass is adjusted counterweight near switch automatically by delay circuit.
Embodiment 2, the perpendicular displacement measure portion, and with reference to Fig. 3: be provided with a liquid level gauge 10, the lower end of liquid level gauge measuring tube is provided with communicating pipe 11 and the sedimentation gauge head 12 that is fixed in the dam body is communicated with.Fill with liquid in communicating pipe.It is characterized in that: be provided with a liquid supply box 13, liquid supply box is established pipeline and is linked to each other with liquid level gauge, pipeline is provided with solenoid valve 14, above liquid level gauge, be provided with the plummet 17 that drives by stepper motor 15 and reel 16, liquid column in plummet and the liquid level gauge is connected with 18 one-tenth circuit of controller respectively, and the output of controller is connected with solenoid valve and plummet motor.During measurement, controller opens solenoid valve, liquid supply box inject liquid in liquid level gauge, wait for a default time after, liquid level in the liquid level gauge is concordant with the sedimentation gauge head vertical tube mouth of pipe, controller rotates plummet driven by motor reel, and plummet descends, when under the plummet during end in contact liquid level, the circuit of liquid column and controller is connected in plummet, the liquid level gauge becomes the loop, this signal stops operating the plummet motor by controller, and the angle according to stepper motor rotates can record liquid level data automatically.When the liquid level in the liquid supply box descends, switch on the pump 19, by the amount of liquid in the liquid reserve tank 20 additional liquid supply box.
Claims (5)
1, a kind of horizontal and vertical displacement meter, its horizontal survey partly is: fix a measuring steel wire in the dam dam body on the measuring point, the other end of steel wire is wrapped on the reel of axle system, on the runner of wheel shaft, be wound with hanging steel rope, there are constant weight counterweight and counterweight counterweight in the free end system of hanging steel rope, it is characterized in that: counterweight adopts electronic counterweight, is provided with the small winch that is driven by micromotor in counterweight inside, and the free end of hanging steel rope is fixed on the small winch.
2, according to the described horizontal and vertical displacement meter of claim 1, it is characterized in that: wheel shaft is provided with the scrambler of directly reading the dam displacement amount.
3, according to claim 1 or 2 described horizontal and vertical displacement meters, it is characterized in that: on the upper and lower casing of the upper and lower end of counterweight or counterweight, be provided with limit switch.
4, a kind of horizontal and vertical displacement meter, its vertical survey partly is: be provided with liquid level gauge, sedimentation gauge head in the lower end of liquid level gauge measuring tube is provided with communicating pipe and is fixed on dam body is communicated with, fill with liquid in communicating pipe, it is characterized in that: be provided with liquid supply box, liquid supply box is established pipeline and is linked to each other with liquid level gauge, pipeline is provided with solenoid valve, above liquid level gauge, be provided with the plummet that drives by stepper motor, liquid column in plummet and the liquid level gauge becomes circuit to be connected with controller respectively, and the output of controller is connected with solenoid valve and plummet motor.
5, according to the described horizontal and vertical displacement meter of claim 4, it is characterized in that: also be provided with liquid reserve tank, be connected with liquid supply box by water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241131 CN2452006Y (en) | 2000-11-24 | 2000-11-24 | Remote-measuring and remote-controlling horizontal vertical displacement meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241131 CN2452006Y (en) | 2000-11-24 | 2000-11-24 | Remote-measuring and remote-controlling horizontal vertical displacement meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2452006Y true CN2452006Y (en) | 2001-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00241131 Expired - Fee Related CN2452006Y (en) | 2000-11-24 | 2000-11-24 | Remote-measuring and remote-controlling horizontal vertical displacement meter |
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| Country | Link |
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| CN (1) | CN2452006Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013000323A1 (en) * | 2011-06-30 | 2013-01-03 | 湖南三一智能控制设备有限公司 | Hoisting measurement and control apparatus, method and construction machine |
-
2000
- 2000-11-24 CN CN 00241131 patent/CN2452006Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013000323A1 (en) * | 2011-06-30 | 2013-01-03 | 湖南三一智能控制设备有限公司 | Hoisting measurement and control apparatus, method and construction machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |