CN2319653Y

CN2319653Y - Single rope type gate opening degree meter

Info

Publication number: CN2319653Y
Application number: CN 97231588
Authority: CN
Inventors: 庄旭桢
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-26
Filing date: 1997-12-26
Publication date: 1999-05-19
Anticipated expiration: 2007-12-26

Abstract

The utility model relates to a single rope type gate opening degree meter, which is mainly characterized in that a rolling wheel and a sensing wheel are arranged on a shell plate in parallel with the same symmetry axis, a steel rope is wound at the outer circumference of the rolling wheel, and a disc type spring is clamped at the inner circumference of the rolling wheel. The steel rope is extended and sheathed in the ring groove of the circumference on the top layer of the sensing wheel, which ensures the complete reaction of the circumference of the ring groove by the stretched and the retracted length of the steel rope. A plurality of magnets are arranged in circle at the circumference of the bottom layer of the sensing wheel with equal intervals, and a signal monitor is composed of the magnets and a pair of corresponding magnetic reed switches on the shell plate. The stretched length of the steel rope can be worked out according to the rotating perimeter of the sensing wheel, and the steel rope can be hooked on the top of the water control gate, so the lifting and opening degree can be precisely measured.

Description

The single cable type gate opening degree meter

The utility model relates to a kind of single cable type gate opening degree meter, and it mainly utilizes the synchronous rotation one sensing wheel of a cable wire and a rolling wheel, uses the lifting Lift that accurately senses the control sluice gate.

General reservoir, rivers and creeks channel or pump station all are provided with the control sluice gate, and are equiped with gate opening degree meter (or claiming gate level meter) usually on the gate facility, use and import the altitude signal of gate opening into control room, are beneficial to control water and the monitoring of arranging the deposition attitude; In addition, other facilities of gate can utilize the measured gatage numerical value lock flow that converts, so the accuracy of this gatage numerical value is very important for the operating gate of flood discharge and flood control.Yet mostly present gate opening degree meter is to utilize the mechanical gear group to drive the disc proportion expression to refer to the meter table, and it mainly utilizes gear train to drive a potentiometer synchronously, and directly converts analogue signal output to the current potential ratio.But this analog pointer value is accurate inadequately, and such drawback can occur: gate very easily occurs and do not start in this simulation letter load mode, and the gatage pointer gauge in control room just produces beating of not timing.In order to improve the shortcoming of this disc type pointer gauge detective device, people develop a kind of along being equiped with an assay plate C (as shown in Figure 1) on the sidewall of the gate frame B of gate A lifting, and at sensor D of the corresponding installing of this gate A apical margin, though but this device can be measured the mathematization opening value of gate A lifting by sensor D, and its sense side signal is sent to control room E.In fact, this assay plate C is the structure bulky complex not only, causes construction inconvenience, and needs equidistant (1cm) to install a plurality of sensing elements on this assay plate C, significantly increases equipment cost, also causes maintenance difficult in the future, and application is difficult to put into practice.

The purpose of this utility model provides a kind of single cable type gate opening degree meter, and this device can accurately sense the lifting Lift of control sluice gate.

The utility model is achieved in that on a coverboard symmetry axis is provided with a rolling wheel and a sensing wheel side by side, outer periphery at this rolling wheel are wound with a cable wire, and be arranged with a disc spring at the inner circumference edge clip of this rolling wheel, and this cable wire extension set is located in the annular groove of sensing wheel top layer periphery, the annular groove circumference of this sensing wheel periphery can be stretched and the length of withdrawing by this cable wire of complete reaction, this sensing wheel then is subjected to the pulling of rolling wheel and cable wire and is synchronous rotation, base layer perimeter at the sensing wheel then equidistantly is equipped with several magnet in addition, and correspondingly be installed in the magnetic reed switch on the coverboard and form signal monitor with a pair of, magnetic reed switch has the signal output terminal of the pulse signal of a transmission institute sensing, and this signal terminal is connected with signal processor; Above-mentioned cable wire passes the through hole on the chassis downwards, and the shackle of its bottom side end of mat and hook are located at the top of control sluice gate.The lifting breakdown action of this control sluice gate can spur this cable wire synchronously, and cooperates rolling wheel and rotate the sensing wheel synchronously, is accurately sensed the lifting Lift value of gate.

Cable wire wherein can be arranged with packing ring on the cable wire in regular turn, hang down and hammer into shape and sleeve pipe, so that can be the state that stretches vertically downward.

The utility model mainly is that a rolling wheel and the separation of sensing wheel are located on the shell pine symmetrically, lifting action by the control sluice gate spurs a cable wire synchronously, and and then cooperate this rolling wheel to rotate sensing wheel synchronously converse the height value that the gate lifting is opened so that can accurately survey; The measured gatage value of also can the utilizing the utility model lock flow that converts, thus reach the monitoring effect of accurately controlling water and the state that drains off floodwaters.

Fig. 1 is the structural representation of the present board-like gate opening degree meter of mensuration that uses;

Fig. 2 is a three-dimensional structure diagram of the present utility model;

Fig. 3 is a planimetric map of the present utility model;

Fig. 4 is a plan view of the present utility model;

Fig. 5 is a mounting structure schematic representation of the present utility model;

Consult Fig. 1-Fig. 4 earlier, the utility model single cable type gate opening degree meter be on a coverboard 10 side by side symmetry axis be provided with a rolling wheel 20 and sensing wheel 30, outer periphery at this rolling wheel 20 are wound with a cable wire 23, and be arranged with a disc spring 22 at the inner circumference edge clip of this rolling wheel 20, make this rolling wheel 20 have the function that automatic revolution resets; And these cable wire 23 extension sets are located at sensing and take turns in the annular groove 31 of 30 top layer peripheries, annular groove 31 circumference that make this sensing take turns 30 peripheries can stretch and the length of withdrawing by this cable wire 23 of complete reaction, this sensing wheel 30 then is subjected to rolling wheel 20 to be synchronous rotation with the pulling of cable wire 23, base layer perimeter at sensing wheel 30 then equidistantly is equipped with several magnet 34 in addition, and correspondingly be installed in the magnetic reed switch on the coverboard 10 and form signal monitor 35 with a pair of, and this signal monitor 35 also can be a kind of holds magnetic induction type sensitivity (proximitydetectors), its can monitor out because of a plurality of magnet on this sensing wheel 30 rotate produced near or from ALT pulse signal far away, and then the pulse signal of this sensing is sent to a signal processor (not shown) via a signal output terminal 36 again, thereby take turns the tensile elongation that 30 girths that rotated just can detect this cable wire 23 regularly according to this sensing, use automatic conversion and show that this cable wire 23 spurs the length value of liftings.

This cable wire 23 passes the through hole 12 on a chassis 11 downwards, and cable wire 23 can be arranged with packing ring 40, weight 41 and sleeve pipe 42 in regular turn, make cable wire 23 be the state that stretches vertically downward, and balanced action by the hammer 41 that hangs down, make cable wire 23 in moment repeatedly during lifting, can avoid the cable wire 23 of winding in annular groove 31 phenomenon of local loosening slippages to occur.In addition, cable wire 23 bottoms can be by a shackle 43 and shackle 44 and hook is located at the top of control sluice gate, so, the lifting breakdown action of control sluice gate can spur this cable wire 23 synchronously, and and then one rotate rolling wheel 20 and sensing wheel 30 synchronously, use the lifting Lift value that detecting the control sluice gate.

Relevant as installed situation of the present utility model sees also shown in Figure 5.The utility model gate opening degree meter can be installed on the top side support body F of control sluice gate A, and cable wire 23 is fixed in the top of this gate A vertically downward with hook, and this cable wire 23 also can connect behind a rod iron 231 admittedly on the top of this gate A by first hook admittedly again, vibrated by water impact to avoid cable wire 23.So open when falling breakdown action when control sluice gate A rotates with motor M, this cable wire 23 is synchronization lifting thereupon also, and further rotate this rolling wheel 20 and sensing wheel 30, detect the rotational pulse signal of sensing wheel 30 again via signal monitor 35, can accurately record digitized signal, and then convert automatically and demonstrate the lifting Lift value of gate A.Moreover, the utility model separates setting with the sensing wheel 30 of signal monitoring mechanism with wheel 20, so on the rolling wheel 20 the cable wire that twines 23 neatly whether, can not influence monitoring result, it is the length monitor signal of gate A lifting stretching cable wire 23, can complete reaction in the signal monitoring mechanism of this sensing that rotates synchronously wheel 30, in a word, the utility model is that a kind of measurement is accurate, the digital type gate opening degree meter easily of constructing, its fabricating cost is cheap, easy to maintenance, has accurate control water and drains off floodwaters the condition monitoring effect.

Claims

1, a kind of single cable type gate opening degree meter, it is characterized in that: symmetry axis is provided with a rolling wheel and a sensing wheel side by side on a coverboard, outer periphery at this rolling wheel are wound with a cable wire, and be arranged with a disc spring at the inner circumference edge clip of this rolling wheel, and this cable wire extension set is located in the annular groove of sensing wheel top layer periphery, base layer perimeter at the sensing wheel then equidistantly is equipped with several magnet, and correspondingly be installed in the magnetic reed switch on the coverboard and form signal monitor with a pair of, magnetic reed switch has the signal output terminal of the pulse signal of a transmission institute sensing, this signal terminal is connected with signal processor: above-mentioned cable wire passes the through hole on the chassis downwards, and the shackle of its bottom side end of mat and hook are located at the top of control sluice gate.

2, single cable type gate opening degree meter as claimed in claim 1 is characterized in that: wherein can be arranged with packing ring on the cable wire in regular turn, hang down and hammer into shape and sleeve pipe.