CN108168442B - Dynamic measurement method of dynamic measurement device for concave-convex groove of water stop - Google Patents
Dynamic measurement method of dynamic measurement device for concave-convex groove of water stop Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0691—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of objects while moving
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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Abstract
The utility model belongs to the technical field of dynamic measurement, and particularly relates to a dynamic measurement method of a dynamic measurement device for concave-convex grooves of a water stop belt. The device mainly comprises a linear module, a frame is arranged on a sliding plate of the linear module, a ranging unit and a PLC control unit are arranged on the frame and are vertically aligned with each other, a water stop belt horizontally passes through the ranging units, the linear module is driven by a first servo motor, the frame and the water stop belt move at the same speed in a dynamic measurement period, the ranging unit comprises an upper laser ranging sensor and a lower laser ranging sensor, the upper beam column and the lower beam column are provided with an upper ball screw and a lower ball screw which are vertical to the horizontal movement direction of the water stop belt, the upper ball screw and the lower ball screw are respectively driven by a second servo motor and a third servo motor, and the PLC control unit receives ranging signals sent by the upper laser ranging sensor and the lower laser ranging sensor and sends control instructions to the first servo motor, the second servo motor and the third servo motor. The dynamic measuring device has the characteristic of being capable of dynamically measuring the width and thickness data of the concave-convex groove of the water stop in real time.
Description
Technical Field
The utility model belongs to the technical field of dynamic measurement, and particularly relates to a dynamic measurement method of a dynamic measurement device for concave-convex grooves of a water stop belt.
Background
In order to improve the water stopping effect, the water stop belts are provided with concave-convex grooves for prolonging the water seepage channel and improving the water stopping capacity. Therefore, the thickness and width of the concave-convex groove of the water stop belt need to be strictly controlled, otherwise, the quality of the product can be directly affected.
In the process of equipment technology upgrading and transformation, a plurality of enterprises use the thickness and width on-line monitoring equipment of the water stop as an important mark for measuring whether the technology transformation is successful or not. However, due to objective factors such as funds, research and development capability and the like, most waterstop manufacturers do not install such monitoring equipment at home at present. Therefore, developing the on-line monitoring equipment for the thickness and the width of the water stop has important significance for ensuring the quality of the water stop products, improving the production efficiency and improving the industrial automation level.
With the rapid development of measurement technology, object size measurement has been converted from the most primitive manual measurement using a micrometer to online non-contact measurement, and in terms of thickness measurement, common measurement methods include: laser measurement, capacitance measurement, radiation measurement methods, etc., but simultaneous measurement of the thickness and width of the water stop concave-convex groove is not considered.
Disclosure of Invention
The utility model aims to provide a dynamic measurement method capable of dynamically measuring width and thickness data of a concave-convex groove of a water stop in real time.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a dynamic measuring device for concave-convex grooves of a water stop belt is characterized in that: the device mainly comprises a linear module, a frame is arranged on a sliding plate of the linear module, a ranging unit and a PLC control unit are arranged on the frame and vertically aligned with a lower beam column, wherein a water stop horizontally passes through the ranging unit, the linear module is driven by a first servo motor, the frame and the water stop move at the same speed in a dynamic measurement period, the ranging unit comprises an upper laser ranging sensor, a lower laser ranging sensor, an upper ball screw and a lower ball screw, the upper laser ranging sensor and the lower ball screw are arranged on the upper beam column, the upper laser ranging sensor and the lower laser ranging sensor are arranged on the lower beam column, the upper ball screw and the lower ball screw are respectively arranged on the upper sliding block and the lower sliding block of the upper ball screw, the upper ball screw and the lower ball screw are respectively driven by a second servo motor and a third servo motor, and the PLC control unit receives ranging signals sent by the upper laser ranging sensor and the lower laser ranging sensor and sends control instructions to the first servo motor and the second servo motor and the third servo motor.
The additional technical characteristics of the dynamic measuring device for the concave-convex groove of the water stop belt are that:
the end of the linear module is provided with an inclined spreading arm, the tail end of the inclined spreading arm is provided with a synchronous measuring wheel which is contacted with the lower surface of the water stop, an encoder is arranged in the synchronous measuring wheel, and the encoder sends a pulse signal to the PLC control unit and is used for calculating the horizontal movement speed of the water stop;
the frame consists of the upper beam column, the lower beam column and upright posts connected with one end parts of the upper beam column and the lower beam column.
The utility model also provides a dynamic measurement method for the width and the thickness of the concave-convex groove of the water stop belt by using the dynamic measurement device for the concave-convex groove of the water stop belt, which mainly comprises the following steps:
step one, the synchronous measuring wheel and the water stop synchronously move, the encoder sends pulse signals to the PLC control unit, the movement speed of the water stop is calculated in unit time,
the calculation process is that,wherein v is p The motion speed of the water stop belt, r is the radius of the synchronous measuring wheel, p is the number of pulses of one circle of rotation of the encoder, t p The pulse number acquired by the PLC control unit is P r ；
Step two, the PLC control unit sends an action instruction to a first servo motor for driving the linear module, so that the sliding plate and a frame arranged on the sliding plate and the water stop move at the same speed (namely, the upper laser ranging sensor and the lower laser ranging sensor in the frame keep relative static with the water stop in the horizontal movement direction of the water stop), the control process is that,
wherein v is p The movement speed of the water stop belt is theta, s is radian of the stepping angle of the first servo motor for driving the linear module, s is the lead of the lead screw of the linear module, and P isThe PLC control unit is used for controlling the unit time t p The number of pulses sent to the first servomotor.
Step three, the PLC control unit sends action instructions to the second servo motor and the third servo motor, so that the upper laser ranging sensor and the lower laser ranging sensor synchronously move in the horizontal movement direction of the vertical water stop (namely the width of the water stop), the movement speed is v, ranging signals are collected, the width value and the thickness value of concave-convex grooves of the water stop are calculated, the process is that,
(1) each time interval t of the upper and lower laser ranging sensors sends ranging information to the PLC control unit, wherein the ranging information is d respectively 1i ,d 2i (i=1, 2,3,) n, and the vertically aligned distance between the upper laser ranging sensor and the lower laser ranging sensor is a fixed value D.
(2) Calculating the thickness of the water stop belt and the concave-convex groove,
d i ＝D-d 1i -d 2i (i＝1,2,3,...,n)；
when in an initial position, the upper and lower laser ranging sensors correspond to one side edge of the water stop belt, d i The basic thickness lambda of the water band is up to d i+1 >d i And d i+1 －d i When ζ (ζ is the minimum judgment constant of the difference between the preset concave-convex groove thickness and the basic thickness lambda), the upper and lower laser ranging sensors enter the ith convex groove area of the water stop belt, and the counter mark m=p 0 +1；(P 0 Sequence numbers for transmitting ranging signals for the upper and lower laser ranging sensors at interval t
When d i+1 －d i <Xi, the upper and lower laser ranging sensors finish measuring the ith convex groove, and the counter marks n=p i ；(P i Sequence numbers for the upper and lower laser ranging sensors that have sent ranging signals at this time)
The PLC control unit calculates the width of the ith convex groove as L i ＝(n－m)vt
The PLC control unit calculates the thickness of the i-th groove as,
(3) the width and thickness of the i-th groove are measured by,
when d i+1 <d i And d i －d i+1 When not less than ζ, the upper and lower laser ranging sensors enter the ith groove area of the water stop belt, and the counter marks m=p 0 ’+1；(P 0 ' sequence number for transmitting ranging signal for the upper and lower laser ranging sensors at interval t
When d i －d i+1 <Xi, the upper and lower laser ranging sensors finish measuring the ith groove area, and the counter marks n=p i ’；(P i ' sequence number for the ranging signal sent by the upper and lower laser ranging sensors at this time
The PLC control unit calculates the width of the ith groove as L i ＝(n－m)vt
The PLC control unit calculates the thickness of the i-th groove as,
step four, the upper and lower laser ranging sensors move to the end parts along the upper and lower ball screws to reach the edge of the other side of the water stop belt, d i And when the basic thickness lambda of the water band is reached, the sampling dynamic measurement in one period is completed, the step one is repeated, and the dynamic measurement in the next period is carried out.
Compared with the prior art, the dynamic measuring device for the concave-convex groove of the water stop belt has the following advantages: firstly, the dynamic measuring device mainly comprises a linear module, a frame arranged on a sliding plate of the dynamic measuring device, a distance measuring unit and a PLC control unit, wherein the distance measuring unit and the PLC control unit are arranged on the upper beam column and the lower beam column of the frame and are vertically aligned, the functional structure is simple, the component layout is compact, and the dynamic measuring device is easy to produce and manufacture; the upper and lower beam columns of the frame are provided with an upper ball screw and a lower ball screw which are perpendicular to the horizontal movement direction of the water stop, and the upper and lower laser ranging sensors are respectively arranged on an upper slide block and a lower slide block of the upper ball screw, so that the measurement of the width and the thickness of the concave-convex groove of the water stop can be synchronously performed under the movement state of the water stop, the processing quality of the concave-convex groove of the water stop can be mastered in time, the real-time monitoring of the production process is realized, and the next processing link of the water stop is realized, such as gluing and film covering, and standard data is provided; and thirdly, as the upper ball screw and the lower ball screw are respectively driven by the second servo motor and the third servo motor, the PLC control unit receives the ranging signals sent by the upper laser ranging sensor and the lower laser ranging sensor and sends control instructions to the first servo motor, the second servo motor and the third servo motor, the dynamic measurement process realizes full automation, real-time adjustment can be realized, and the measurement data is more accurate.
Drawings
FIG. 1 is a schematic perspective view of a dynamic measuring device for concave-convex grooves of a water stop belt;
FIG. 2 is a front view of the dynamic measuring device for the concave-convex groove of the water stop;
FIG. 3 is a schematic diagram of a dynamic measurement method of the concave-convex groove of the water stop belt;
fig. 4 is a schematic flow chart of a PLC calculation program in the dynamic measurement method of the concave-convex groove.
Detailed Description
The structure and the working principle of the dynamic measuring device for the concave-convex groove of the water stop belt provided by the utility model are further described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a dynamic measuring device for concave-convex grooves of a water stop belt. The structure of the dynamic measuring device mainly comprises a linear module 1, a frame 2 is arranged on a sliding plate 11 of the linear module 1, a vertically aligned ranging unit 3 and a PLC control unit 4, wherein the ranging unit 3 and the PLC control unit are arranged on an upper beam column and a lower beam column (21 and 22) of the frame 2, the water stop 10 horizontally passes through the ranging unit 3, the linear module 1 is driven by a first servo motor 12, the frame 2 and the water stop 10 move at the same speed in one dynamic measuring period, the ranging unit 3 comprises an upper laser ranging sensor 31 arranged on an upper beam column 21 and used for measuring the vertical distance from the upper surface of the water stop 10, a lower laser ranging sensor 32 arranged on a lower beam column 22 and used for measuring the vertical distance from the lower surface of the water stop 10, the upper and lower ball screws (211 and 221) are arranged on an upper and lower ball ranging sensor (31 and 32) respectively, the upper and lower ball screws (212 and 222) are respectively arranged on an upper and lower ball screw (211 and 221), the upper and lower ball ranging sensor (211 and 221) are respectively driven by a second servo motor (213 and a third servo motor and a second servo motor (213 and a third servo motor) and a control unit (4 and a third servo motor) is used for sending and receiving a command to the upper and lower laser ranging sensor (223 and a third servo motor and a control unit (4 and a servo motor).
The working principle is as follows: the transmission direction of the linear module 1 and the movement direction of the water stop 10 are set to be in the same horizontal direction, the first servo motor 12 drives the sliding plate 11 of the linear module 1, the frame 2 is kept stationary relative to the water stop 10 (namely kept moving at the same speed) in a dynamic acquisition period, the second servo motor (213) and the third servo motor (223) respectively drive the upper laser ranging sensor (31) and the lower laser ranging sensor (32) to synchronously move along the width of the water stop 10, the water stop 10 is kept accurately aligned, the water stop 10 horizontally enters the ranging unit 3 in the frame 2, the upper laser ranging sensor (31) and the lower laser ranging sensor (32) of the ranging unit 3 respectively acquire the vertical distance from the upper surface and the lower surface of the water stop 10, and the PLC control unit 4 timely calculates data to obtain the width and the thickness of a concave-convex groove.
In the structure of the dynamic measuring device for the concave-convex groove of the water stop belt,
in order to ensure the consistency of the measuring positions of the upper and lower laser ranging sensors (31, 32) when dynamically measuring the thickness and width of the water stop 10, an inclined spreading arm 13 is arranged at one end of the linear module 1, a synchronous measuring wheel 14 contacting with the lower surface of the water stop 10 is arranged at the tail end of the inclined spreading arm 13, an encoder 15 is arranged in the synchronous measuring wheel 14, the encoder 15 sends pulse signals to the PLC control unit 4 for calculating the horizontal movement speed of the water stop 10, the movement speed of the water stop 10 can be fed back in real time, and the PLC control unit 4 sends regulation signals to the first servo motor 12 so that the frame 2, the upper and lower laser ranging sensors (31, 32) and the water stop 10 are kept absolutely stationary in the horizontal movement direction;
preferably, the frame 2 is composed of the upper beam column 21, the lower beam column 22 and the upright posts 23 connected with one end parts of the upper beam column 21 and the lower beam column 22, so that the open frame 2 is convenient for operators to observe the running condition of equipment, and problems occur to adjust in time;
as shown in fig. 3, the method for dynamically measuring the concave-convex groove of the water stop belt by using the dynamic measuring device for the concave-convex groove of the water stop belt is that,
step one, the synchronous measuring wheel 14 and the water stop 10 synchronously move, the encoder 15 sends pulse signals to the PLC control unit 4, the movement speed of the water stop 10 is calculated in unit time,
the calculation process is that,wherein v is p The movement speed of the water band 10 is represented by r, the radius of the synchronous measuring wheel 14, p, the number of pulses of one revolution of the encoder 15, t p The pulse number acquired by the PLC control unit 4 is P r ；
Step two, the PLC control unit 4 sends an action command to the first servo motor 12 driving the linear module 1, so that the slide plate 11 and the frame 2 arranged on the slide plate and the water stop belt move at the same speed (namely, the upper and lower laser ranging sensors (31, 32) in the frame 2 keep static relative to the water stop belt 10 in the horizontal movement direction of the water stop belt 10), the control process is that,
wherein v is p The movement speed of the water stop belt 10, theta is the radian of the stepping angle of the first servo motor 12 driving the linear module 1, s is the lead of the lead screw of the linear module 1, and P is the unit time t of the PLC control unit 4 p The number of pulses sent to the first servomotor 12.
Step three, the PLC control unit 4 sends action instructions to the second and third servo (213, 223) motors, so that the upper and lower laser ranging sensors (31, 32) synchronously move in the horizontal movement direction of the vertical water stop 10 (i.e. the width of the water stop 10), the movement speed is v, ranging signals are collected, the width value and the thickness value of the concave-convex groove of the water stop 10 are calculated, as shown in figure 4, the process is that,
(1) the upper and lower laser ranging sensors (31, 32) send ranging information to the PLC control unit 4 at each time interval t, respectively d 1i ,d 2i (i=1, 2,3,) n, the vertical alignment distance between the upper and lower laser ranging sensors (31, 32) is a fixed value D.
(2) The thickness calculation of the water stop 10 and the concave-convex groove is performed,
d i ＝D-d 1i -d 2i (i＝1,2,3,...,n)；
in the initial position, the upper and lower laser distance measuring sensors (31, 32) correspond to one side edge of the water stop 10, d i Up to the basic thickness lambda of the water hose 10,
when d i+1 >d i And d i+1 －d i When ζ (ζ is the minimum judgment constant of the difference between the preset concave-convex groove thickness and the basic thickness lambda) is not less than ζ, the upper and lower laser distance measuring sensors (31, 32) enter the ith convex groove area of the water stop 10, and the counter mark m=p 0 +1；(P 0 Sequence numbers for transmitting ranging signals for upper and lower laser ranging sensors (31, 32) at interval t
When d i+1 －d i <Xi, the upper and lower laser ranging sensors (31, 32) finish measuring the ith convex groove, and the counter marks n=p i ；(P i Sequence numbers for the upper and lower laser ranging sensors (31, 32) that have transmitted ranging signals at this time
The PLC control unit 4 calculates the width of the ith convex groove as L i ＝(n－m)vt
The PLC control unit 4 calculates the thickness of the i-th groove as,
(3) the width and thickness of the i-th groove are measured by,
when d i+1 <d i And d i －d i+1 When not less than ζ, the upper and lower laser distance measuring sensors (31, 32) enter the ith groove region of the water stop 10, and the counter marks m=p 0 ’+1；(P 0 ' sequence number for upper and lower laser ranging sensors (31, 32) to transmit ranging signal at interval t
When d i －d i+1 <Xi, the upper and lower laser ranging sensors (31, 32) finish measuring the ith groove area, the counter marks n=p i ’；(P i ' sequence number for ranging signal sent by upper and lower laser ranging sensors (31, 32) at this time
The PLC control unit 4 calculates the width of the i-th groove as L i ＝(n－m)vt
The PLC control unit 4 calculates the thickness of the i-th groove as,
step four, the upper and lower laser ranging sensors (31, 32) move to the end parts along the upper and lower ball screws (211, 221) to reach the other side edge of the water stop 10, d i When the basic thickness lambda of the water band 10 is reached, the sampling dynamic measurement in one period is completed, the step one is repeated, and the dynamic measurement in the next period is carried out.
Claims (2)
1. A dynamic measurement method of a dynamic measurement device for concave-convex grooves of a water stop belt is characterized by comprising the following steps: the device mainly comprises a linear module, a frame is arranged on a sliding plate of the linear module, a ranging unit and a PLC control unit are arranged on the frame and vertically aligned with a lower beam column, wherein a water stop horizontally passes through the ranging unit, the linear module is driven by a first servo motor, the frame and the water stop move at the same speed in a dynamic measurement period, the ranging unit comprises an upper laser ranging sensor, a lower laser ranging sensor, an upper ball screw and a lower ball screw, the upper laser ranging sensor and the lower ball screw are arranged on the upper beam column, the upper laser ranging sensor and the lower laser ranging sensor are arranged on the lower beam column, the lower laser ranging sensor is used for measuring the vertical distance between the upper surface of the water stop and the lower surface of the water stop, the upper ball screw and the lower ball screw are respectively arranged on the upper sliding block and the lower sliding block of the upper ball screw, the lower ball screw are respectively driven by a second servo motor and a third servo motor, and the PLC control unit receives ranging signals sent by the upper laser ranging sensor and the lower laser ranging sensor and sends a first control command and a third control command to the first servo motor and the second servo motor and the third servo motor; an inclined spreading arm is arranged at one end of the linear module, a synchronous measuring wheel which is contacted with the lower surface of the water stop is arranged at the tail end of the inclined spreading arm, an encoder is arranged in the synchronous measuring wheel, and the encoder sends a pulse signal to the PLC control unit and is used for calculating the horizontal movement speed of the water stop;
the measuring method comprises the following steps:
step one, the synchronous measuring wheel and the water stop synchronously move, the encoder sends pulse signals to the PLC control unit, the movement speed of the water stop is calculated in unit time,
the calculation process is V p ＝2πrp r /(p*t p ) Wherein V is p The motion speed of the water stop belt, r is the radius of the synchronous measuring wheel, p is the number of pulses of one circle of rotation of the encoder, t p The pulse number acquired by the PLC control unit is p r ；
Step two, the PLC control unit sends an action instruction to a first servo motor for driving the linear module, so that the sliding plate and a frame arranged on the sliding plate and the water stop move at the same speed, an upper laser ranging sensor and a lower laser ranging sensor in the frame keep relative rest with the water stop in the horizontal movement direction of the water stop, and the control process is that P=2pi V p V (θ×s), where V p The movement speed of the water stop belt, theta is the radian of the stepping angle of the first servo motor for driving the linear module, s is the lead of the lead screw of the linear module, and P is the unit time t of the PLC control unit p The number of pulses sent to the first servo motor;
step three, the PLC control unit sends action instructions to the second servo motor and the third servo motor, so that the upper laser ranging sensor and the lower laser ranging sensor synchronously move in the width direction of the water stop in the horizontal movement direction of the water stop, the movement speed is v, ranging signals are collected, the width value and the thickness value of concave-convex grooves of the water stop are calculated, the process is that,
(1) each time interval t of the upper and lower laser ranging sensors sends ranging information to the PLC control unit, wherein the ranging information is d respectively 1i ,d 2i Wherein i=1, 2,3, n, the vertically aligned distance between the upper laser ranging sensor and the lower laser ranging sensor is a fixed value D;
(2) calculating the thickness of the water stop belt and the concave-convex groove, d i ＝D-d 1i -d 2i Wherein i=1, 2,3, n;
when in an initial position, the upper and lower laser ranging sensors correspond to one side edge of the water stop belt, d i The basic thickness lambda of the water band is up to d i+1 >d i And d i+1 －d i When not less than xi; ζ is the minimum judgment constant of the difference between the preset concave-convex groove thickness and the basic thickness lambda, the upper and lower laser ranging sensors enter the ith convex groove area of the water stop belt, and the counter mark m=p 0 +1；P 0 Transmitting sequence numbers of ranging signals for the upper and lower laser ranging sensors at interval t;
when d i+1 －d i <Xi, the upper and lower laser ranging sensors finish measuring the ith convex groove, and the counter marks n=p i ；P i Sequence numbers of ranging signals sent by the upper and lower laser ranging sensors at the moment;
the PLC control unit calculates the width of the ith convex groove as L i ＝(n－m)vt；
The PLC control unit calculates the thickness of the i-th groove as,
(3) the width and thickness of the ith groove are measured by
When d i+1 <d i And d i －d i+1 When not less than ζ, the upper and lower laser ranging sensors enter the ith groove area of the water stop belt, and the counter marks m=p 0 ’+1；P 0 ' the serial numbers of the ranging signals are sent by the upper and lower laser ranging sensors at interval t;
when d i －d i+1 <Xi, the upper and lower laser ranging sensors finish measuring the ith groove area, and the counter marks n=p i ’；P i ' is the sequence number of the ranging signal sent by the upper and lower laser ranging sensors at the moment;
the PLC control unit calculates the width of the ith groove as L i ＝(n－m)vt；
The PLC control unit calculates the thickness of the i-th groove as,
step four, the upper and lower laser ranging sensors move to the end parts along the upper and lower ball screws to reach the edge of the other side of the water stop belt, d i And when the basic thickness lambda of the water band is reached, the sampling dynamic measurement in one period is completed, the step one is repeated, and the dynamic measurement in the next period is carried out.
2. The dynamic measurement method of the dynamic measurement device for the concave-convex groove of the water stop belt according to claim 1, wherein the dynamic measurement method comprises the following steps: the frame is composed of an upper beam column, a lower beam column and a stand column connected with one end parts of the upper beam column and the lower beam column.
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