阅读说明：本技术 带面材料的超声波纠偏检测装置及防热内衬结构的冷却套 (Ultrasonic deviation-rectifying detection device with surface material and cooling jacket with heat-proof lining structure ) 是由 王海 詹旭 林明涛 于 2019-10-18 设计创作，主要内容包括：本发明提出了带面材料的超声波纠偏检测装置及防热内衬结构的冷却套,带面材料的超声波纠偏检测装置及防热内衬结构的冷却套具有超声波发生器产生的超声波经过发射天线朝带钢检测的长度方向进行发射超声波,并有超声波检测接收端检测反射的超声波；信号处理电路接收超声波的信息后,计算出左右两个超声波反射值的实际量,计算求出两侧实际值与基准值进行对比计算,得出差值计算出跑偏量,向纠偏驱动装置发出纠偏信号,驱动装置对纠偏辊进行偏转。冷却套有两个工作腔；防热内衬结构有耐高温护板、外侧金属板、高分子隔热材料、内侧金属板。优点：采用一体化的发射天线和接收天线的集合。冷却套隔热,大幅度的隔热降低了冷却气源的流量使用。(The invention provides an ultrasonic deviation rectification detection device for a belt surface material and a cooling jacket of a heat-proof lining structure, wherein the ultrasonic deviation rectification detection device for the belt surface material and the cooling jacket of the heat-proof lining structure are provided with ultrasonic waves generated by an ultrasonic generator, the ultrasonic waves are transmitted towards the length direction of strip steel detection through a transmitting antenna, and the ultrasonic waves reflected by an ultrasonic detection receiving end are detected; after receiving the ultrasonic information, the signal processing circuit calculates the actual quantity of the left and right ultrasonic reflection values, calculates and calculates the actual values on the two sides and compares the actual values with a reference value to obtain a difference value to calculate the deviation, and sends a deviation correcting signal to a deviation correcting driving device, and the driving device deflects the deviation correcting roller. The cooling sleeve is provided with two working cavities; the heat-proof lining structure comprises a high-temperature-resistant guard plate, an outer metal plate, a high-molecular heat-insulating material and an inner metal plate. The advantages are that: an integrated set of transmit and receive antennas is employed. The cooling jacket is heat-insulated, and the flow of a cooling air source is greatly reduced by heat insulation.)

1. The ultrasonic deviation rectifying detection device for the strip material is characterized in that strip steel (201) along the length direction passes through an ultrasonic deviation rectifying detection device ultrasonic detector (101) of the strip material, the ultrasonic detector (101) is composed of a left ultrasonic wave pulse signal processor (104L) and a right ultrasonic wave pulse signal processor (104R) of the ultrasonic deviation rectifying detection device and is used for reflecting and detecting ultrasonic waves, the left and right deviation of the strip steel is detected, the left ultrasonic wave pulse signal processor (104L) is connected with a left ultrasonic generator control circuit (105L), the detected deviation is processed into an electric signal by the signal and then fed back to an amplification comparison processor (106), the right ultrasonic wave pulse signal processor (104R) is connected with a right ultrasonic generator control circuit (105R), the detected deviation is processed into an electric signal and then fed back to the amplification comparison processor (106), the edge of the strip steel covers a triangular signal area, an ultrasonic absorption plate (301) is arranged on the back side of the strip steel (201), the amplification comparison processor (106) is connected with a calculation module (801), the calculation module (801) is connected with a temperature detection sensor (801), an output detection sensor (3556), the amplification comparison module (701) outputs a real operation detection control command, and an actual operation detection control module (701) which is connected with an ultrasonic detection control module which outputs a central processing and a real detection control module (② which outputs a real detection control signal and compares a real detection control signal output command which outputs a real detection control module which outputs a real detection control signal and a real detection control module which outputs.

2. The ultrasonic deviation rectification detection device of the belt material as claimed in claim 1, wherein the left ultrasonic pulse signal processor (104L) is connected with the left ultrasonic high voltage module (103L), the left ultrasonic high voltage module (103L) provides high voltage output for the ultrasonic generation device and supplies the high voltage output to the left ultrasonic transmitting antenna (102A), the left ultrasonic pulse signal processor (104L) receives the feedback signal after noise suppression and signal filtration after the ultrasonic electrical signal is received and sends the feedback signal to the left ultrasonic generator control circuit (105L), the ultrasonic detector (101) is connected with the left ultrasonic generator control circuit (105L), the left ultrasonic generator control circuit (105L) is connected with the amplification comparison processor (106), and the left ultrasonic generator control circuit (105L) processes the signal and feeds the processed signal back to the amplification comparison processor (106); the right ultrasonic pulse signal processor (104R) is connected with the right ultrasonic high-voltage module (103R), the right ultrasonic high-voltage module (103R) provides high-voltage output for the ultrasonic generating device and supplies the high-voltage output to the right ultrasonic transmitting antenna (102C), the right ultrasonic pulse signal processor (104R) receives feedback signals after noise suppression and signal filtering of ultrasonic electric signals and sends the feedback signals to the right ultrasonic generator control circuit (105R), the ultrasonic detector (101) is connected with the right ultrasonic generator control circuit (105R), the right ultrasonic generator control circuit (105R) is connected with the amplification comparison processor (106), and the right ultrasonic generator control circuit (105R) feeds the signals back to the amplification comparison processor (106) after processing.

3. The ultrasonic deviation-rectifying inspection apparatus for materials with surfaces as set forth in claim 1, wherein the integrated detector has a left integrated ultrasonic signal emitting and receiving unit and a right integrated ultrasonic signal emitting and receiving unit, the left integrated ultrasonic signal emitting and receiving unit is a left ultrasonic pulse signal processor (104L) comprising a left ultrasonic emitting antenna (102A), the ultrasonic signal emitted is irradiated on the strip steel, the reflected ultrasonic signal is received by a left reflected signal receiving head (102B), the signal is processed and fed back by the left ultrasonic pulse signal processor (104L), the dissipated ultrasonic signal bypasses the strip steel (201) and is emitted to the rear of the strip steel (201), the ultrasonic absorption plate (301) behind the strip steel (201) absorbs the redundant ultrasonic, the accuracy of the ultrasonic reflection on the measured value is improved, and the useless reflected signal is reduced to be received by the reflected signal receiving head (102B), the left ultrasonic transmitting antenna (102A) and the left reflected signal receiving head (102B) are arranged in a protective cover and are used as an integrated device for transmitting and receiving; the right ultrasonic wave transmitting antenna (102C) is arranged in a right ultrasonic wave pulse signal processor (104R), the transmitted ultrasonic wave signal irradiates the strip steel, the reflected ultrasonic wave signal is received by a right reflected signal receiving head (102D), the signal is fed back by the right ultrasonic wave pulse signal processor (104R) after being processed, the dissipated ultrasonic wave signal bypasses the strip steel (201) and is transmitted to the back of the strip steel (201), an ultrasonic wave absorption plate (301) at the back of the strip steel (201) absorbs redundant ultrasonic waves, the accuracy of the ultrasonic wave reflection on the measured value is improved, the useless reflected signal is reduced and is received by the reflected signal receiving head (102D), and the right ultrasonic wave transmitting antenna (102C) and the right reflected signal receiving head (102D) are arranged in a protective cover to be used as an integrated device for transmitting and receiving.

4. The ultrasonic deviation rectification detecting device for the material with surface as claimed in claim 1, wherein the irradiation ranges of the left and right ultrasonic transmitting antennas are right triangles divided by 45 degrees along the diagonal line of the rectangle, and the middle is provided with a partition plate.

5. The ultrasonic deviation-rectifying apparatus for a belt material according to claim 1, wherein the reference value of the ultrasonic deviation-rectifying apparatus for a belt material is a reference value which is calibrated after ultrasonic waves from the ultrasonic generators on the left and right sides are emitted from the antennas in the case of no deviation of the belt steel and a good plate shape of the belt steel, and a deviation allowable range value having a larger range is set as an allowable fluctuation range in a range between the lowest value and the highest value of the calibrated reference value, and fluctuation in this range is regarded as an ideal fluctuation range, and fluctuation in this range is regarded as a cutoff threshold value, and the deviation-rectifying apparatus does not issue a deviation-rectifying command and does not operate.

6. A cooling jacket with a heat-proof lining structure of a surface material ultrasonic deviation rectification detection device is characterized in that a transmitting head and a receiving head of the ultrasonic deviation rectification detection device are installed together, a triangular area for left transmitting and reflection detection is formed by an ultrasonic baffle (102T), an ultrasonic left transmitting cavity (102L) and an ultrasonic right transmitting cavity (102R) are two working cavities, the ultrasonic baffle (102T) is a common blocking baffle, and the two working cavities of the ultrasonic left transmitting cavity (102L) and the ultrasonic right transmitting cavity (102R) are installed in an integral protective cover; the heat-proof lining structure comprises a high-temperature-resistant guard plate (401), an outer metal plate (402), a polymer heat-insulating material (403) and an inner metal plate (404), wherein the high-temperature-resistant guard plate (401) is a protective structural steel plate taking the outer metal plate (402) as the outermost edge, the middle filling material is the polymer heat-insulating material (403), and the inner side is a device for installing an integrated transmitting antenna and a reflection receiving head ultrasonic signal of key elements of the ultrasonic detection device.

7. The cooling jacket with the heat-proof lining structure for the ultrasonic deviation rectification detection device of the belt surface material as claimed in claim 6, wherein the polymer heat insulation material (403) is aerogel felt.

Technical Field

The invention belongs to the technical field of steel production lines, and relates to a strip steel deviation rectifying detection device for a cold rolling production line.

Background

The steel plate produced in the continuous production line is a strip-shaped body, called 'strip steel' for short, the final product can be realized through a plurality of processes and equipment in the production process, the strip steel is generally realized by changing the direction and tension through a rotating roller, the advancing accuracy of the strip steel can be influenced on the high-speed production line due to the friction force of the contact surface of the strip steel and the roller, and the roughness of the roller and the strip steel can not be infinitely amplified due to the performance and the process requirement of the produced product in the actual application, so the friction force is reduced, and the strip steel is easy to deviate.

In a high-speed cold rolling production line, the tension required by different areas is different because the tightness, called tension for short, of the strip steel between rollers or in the areas is required to be adjusted during production, and the tension directly influences the change of the friction force of the strip steel, so that the deviation is caused.

In the traditional mode, mainly by using an optical detection device, a capacitive detection device, a microwave detection device and the like, the thank you detection device is easily influenced by water vapor, water, dust, toxic and harmful gases, high temperature and the like in the environment under severe environment, the detection precision is unstable along with the shortening of the degradation period in the use process, the signal output exceeds the range due to the easy wrong detection, the deviation correction equipment is directly driven to run towards the opposite direction, the running deviation of the deviation roller is seriously caused to stop or break the belt, the smooth production is not facilitated, the processing cost is high, the production line speed cannot be normally increased, and the functional precision of the equipment cannot meet the production requirement.

The detection devices are used in the annealing furnace, the requirement on the detection devices by adding poisonous and harmful gases is higher in a high-temperature state, the bodies of the detection devices cannot be effectively cooled, the high-temperature resistance is reduced, the failure rate is increased, the strip steel is easy to deviate in the furnace, the production line is decelerated, hot wrinkles are generated, and the production is more severely restricted. The annealing furnace generally needs 12 to 48 hours of treatment from breakage to restoration, and is dangerous in the treatment process, particularly the risk factor of the vertical annealing furnace is increased.

Disclosure of Invention

The invention provides an ultrasonic deviation rectifying detection device and a cooling jacket with a heat-proof lining structure to solve the technical problems so as to improve the high-temperature resistance and the detection precision and the environment resistance of a belt material.

The technical scheme includes that the ultrasonic deviation rectifying detection device for the strip material comprises an ultrasonic deviation rectifying detection device for strip steel passing through the strip material along the length direction, the ultrasonic detector is composed of a left ultrasonic wave detection and receiving integrated detector and a right ultrasonic wave pulse signal processor, the left ultrasonic pulse signal processor and the right ultrasonic pulse signal processor of the ultrasonic deviation rectifying detection device are used for ultrasonic reflection detection and detecting left and right deviation of the strip steel, the left ultrasonic pulse signal processor is connected with a left ultrasonic generator control circuit and feeds back the detected deviation to an amplification comparison processor after being processed into electric signals, the right ultrasonic pulse signal processor is connected with a right ultrasonic generator control circuit, the detected deviation is fed back to the amplification comparison processor after being processed into the electric signals, the edge of the strip steel covers a triangular signal area, an ultrasonic absorption plate is arranged on the rear side of the strip steel, the amplification comparison processor is connected with a calculation module, the calculation module is connected with a temperature detection sensor, an action output ① and an action output ②, the calculation module is a central instruction control module for whole ultrasonic detection and output, data of the amplification comparison processor are received, the data of the amplification comparison processor are analyzed, the distance, the conversion of the left and right of the actual deviation rectifying detection element is compared with an action output reference value, and an action output judgment component ② for carrying out feedback control.

The left ultrasonic pulse signal processor is connected with the left ultrasonic high-voltage module, the left ultrasonic high-voltage module provides high-voltage output for the ultrasonic generating device and supplies the high-voltage output to the left ultrasonic transmitting antenna, the left ultrasonic pulse signal processor receives an ultrasonic electric signal and then feeds back a signal after noise suppression and signal filtering to the left ultrasonic generator control circuit, the ultrasonic detector is connected with the left ultrasonic generator control circuit, the left ultrasonic generator control circuit is connected with the amplification comparison processor, and the left ultrasonic generator control circuit feeds back the signal to the amplification comparison processor after processing the signal; the right ultrasonic pulse signal processor is connected with the right ultrasonic high-voltage module, the right ultrasonic high-voltage module provides high-voltage output for the ultrasonic generating device and supplies the high-voltage output to the right ultrasonic transmitting antenna, the right ultrasonic pulse signal processor receives a feedback signal after noise suppression and signal filtering of an ultrasonic electric signal and sends the feedback signal to the right ultrasonic generator control circuit, the ultrasonic detector is connected with the right ultrasonic generator control circuit, the right ultrasonic generator control circuit is connected with the amplification comparison processor, and the right ultrasonic generator control circuit feeds the signal back to the amplification comparison processor after signal processing.

The integrated detector comprises a left integrated ultrasonic signal transmitting and receiving part and a right integrated ultrasonic signal transmitting and receiving part, the left integrated ultrasonic signal transmitting and receiving part is characterized in that a left ultrasonic pulse signal processor comprises a left ultrasonic transmitting antenna, the transmitted ultrasonic signal irradiates the strip steel, the reflected ultrasonic signal is received by a left reflected signal receiving head, the signal is fed back by the left ultrasonic pulse signal processor after being processed, the dissipated ultrasonic signal bypasses the strip steel and is transmitted to the rear part of the strip steel, an ultrasonic absorption plate at the rear part of the strip steel absorbs redundant ultrasonic waves, the accuracy of ultrasonic reflection on the measured value is improved, the useless reflected signal is reduced and is received by a reflected signal receiving head, and the left ultrasonic transmitting antenna and the left reflected signal receiving head are arranged in a protective cover and are used as an integrated device for transmitting and receiving; the right ultrasonic wave pulse signal processor comprises a right ultrasonic wave transmitting antenna, the transmitted ultrasonic wave signal irradiates the band steel, the reflected ultrasonic wave signal is received by a right reflected signal receiving head and is fed back by the right ultrasonic wave pulse signal processor after signal processing, the dissipated ultrasonic wave signal bypasses the band steel and is transmitted to the rear part of the band steel, an ultrasonic wave absorption plate at the rear part of the band steel absorbs redundant ultrasonic waves, the accuracy of ultrasonic wave reflection on a measured value is improved, the useless reflected signal is reduced and is received by the reflected signal receiving head, and the right ultrasonic wave transmitting antenna and the right reflected signal receiving head are arranged in a protective cover and are used as an integrated device for transmitting and receiving.

A cooling jacket with a heat-proof lining structure of a surface material ultrasonic deviation rectification detection device is characterized in that a transmitting head and a receiving head of the ultrasonic deviation rectification detection device are installed together, a triangular area for left transmitting and reflection detection is formed by an ultrasonic baffle, an ultrasonic left transmitting cavity and an ultrasonic right transmitting cavity are two working cavities, the ultrasonic baffle is a common blocking baffle, and the two working cavities of the ultrasonic left transmitting cavity and the ultrasonic right transmitting cavity are installed in an integral protective cover; the heat-proof lining structure comprises a high-temperature-resistant guard plate, an outer metal plate, a high-molecular heat-insulating material and an inner metal plate, wherein the high-temperature-resistant guard plate is a protective structural steel plate taking the outer metal plate as the outermost edge, a middle filling material is the high-molecular heat-insulating material, the inner side is an integrated transmitting antenna and a device for reflecting an ultrasonic signal of a receiving head, and the inner metal plate is a final protective barrier layer for protecting the ultrasonic detector.

Preferably, the polymer heat insulating material is aerogel felt.

The invention mainly uses the length direction to detect the deviation of the strip steel, the ultrasonic deviation rectifying detection device of the strip surface material and the cooling jacket of the heat-proof lining structure are provided with ultrasonic waves generated by an ultrasonic generator, which are transmitted towards the length direction of the strip steel detection through a transmitting antenna, and an ultrasonic detection receiving end detects the reflected ultrasonic waves; after receiving the ultrasonic information, the signal processing circuit calculates the actual quantity of the left and right ultrasonic reflection values, calculates the actual values on the two sides and compares the actual values with a reference value to obtain a difference value to calculate the deviation, sends a deviation correcting signal to the deviation correcting driving device, the driving device deflects the deviation correcting roller, detects the actual value of the ultrasonic from time to time in the deflection process to compare the actual value with the reference value, gradually corrects the output deviation correcting signal, stops outputting the deviation correcting signal until the deviation is within the deviation correcting fluctuation range, and stops driving the deviation correcting device.

The invention has the beneficial effects that: (1) in the irradiation range of the left ultrasonic transmitting antenna and the right ultrasonic transmitting antenna, an integrated transmitting antenna and receiving antenna set is adopted, and in the irradiation range of the left ultrasonic transmitting antenna and the right ultrasonic transmitting antenna, a partition board is adopted to block and prevent mutual interference of ultrasonic reflection signals.

(2) The irradiation ranges of the left ultrasonic transmitting antenna and the right ultrasonic transmitting antenna are right triangles and are formed by dividing the right triangles at an angle of 45 degrees along the diagonal line of the rectangle, and the blocking of the middle part by the partition plate reduces the influence of mutually reflected ultrasonic waves on the accuracy of an actual measured value. The irradiation ranges of the left ultrasonic transmitting antenna and the right ultrasonic transmitting antenna are right triangles, the reflection values of the right triangles are measured, the minimum acute angle is used as a middle reflection surface, the 90-degree right-angle surface is used as an edge reflection surface, under the condition of no deviation, the strip steel is shielded in the middle, the reserved reflection area is maximum, and the deviation of the reflection detection values of the two sides can be detected after the strip steel deviates, so that an accurate deviation rectifying signal can be sent to the deviation rectifying driving device in time.

(3) The irradiation range of controlling two ultrasonic emission antennas is right angled triangle and is the rectangle shape after the combination, and it is more convenient at installation and cooling installation, compact structure, the miniaturization and the whole equipment weight of the equipment of being convenient for and reduce overall dimension's reduction by a wide margin, reduce the noise that the internal reflection ultrasonic wave in space brought simultaneously, can be under miniaturized overall dimension semi-closed cooling jacket and the implementation of anti-shield measure.

(4) The ultrasonic absorption plate made of ultrasonic absorption materials is designed to be opposite to the triangular transmitting antenna and the ultrasonic receiving antenna, so that the ultrasonic error of a receiving end is influenced by the ultrasonic wave which is mistakenly reflected as much as possible when the ultrasonic absorption plate is used in a narrow space, the measurement precision of the detection device is improved, the equipment loss caused by frequent action of equipment is reduced, and the interference of abnormal reflected waves to actual detection signals is eliminated and reduced.

(5) The ultrasonic wave absorbing plate is made of wave absorbing materials and made of materials with heat resistance, so that the scattering of ultrasonic waves is reduced to the minimum, the efficiency is improved, the adaptability of the ultrasonic wave deviation rectifying detection device with the surface materials in a severe environment is improved, the waveform of the ultrasonic waves on the wave absorbing plate is greatly reduced, and the reflection effect of reflection signals is improved. The reflection of the scattered wave dissipated in the accidental area of the strip steel is changed, and the reflection angle and the reflection efficiency of the normally returned reflected wave on the wave absorbing material are avoided.

(6) The cooling jacket adopts the aerogel felt that uses macromolecular material to make in the middle of the adoption, adopts high temperature resistant steel sheet around the aerogel felt, improves and plays thermal-insulated effect in the middle of the aerogel, thermal-insulated reduction cooling air source's flow use by a wide margin.

Drawings

FIG. 1 is a schematic view of an ultrasonic deviation rectification detection device;

FIG. 2 is a schematic view of ultrasonic wave transmission and reception and a strip steel and an ultrasonic wave absorption plate;

FIG. 3 is a cooling jacket of a heat shield liner construction;

FIG. 4 is a schematic diagram of the transmission and reception of ultrasonic signals by the left integral transmit antenna receive head;

FIG. 5 is a schematic diagram of the transmission and reception of ultrasonic signals from the right integrated transmitting antenna receiving head;

FIG. 6 is a cross-sectional view of a cooling jacket of a heat-proof lining structure of an ultrasonic deviation rectification detection device for a material with a surface;

FIG. 7 is a schematic view of the overall detection and feedback of the ultrasonic deviation rectifying and detecting device for the belt material;

101 ultrasonic detector, 102A left ultrasonic transmitting antenna, 102A1 left transmitting signal processor, 102A2 left transmitting signal amplifier, 102B left reflected signal receiving head, 102B1 left reflected signal shaping, 102B2 left reflected signal amplifier, 102C right ultrasonic transmitting antenna, 102C1 right transmitting signal processor, 102C2 right transmitting signal amplifier, 102D right reflected signal receiving head, 102D1 right reflected signal shaping, 102D2 right reflected signal amplifier, 102T ultrasonic baffle, 102L ultrasonic left transmitting cavity, 102R ultrasonic right transmitting cavity, 103L left ultrasonic high-voltage module, 103R right ultrasonic high-voltage module, 104L left ultrasonic pulse signal processor, 104R right ultrasonic pulse signal processor, 105L left ultrasonic generator control circuit, 105R right ultrasonic generator control circuit, 106 amplification comparison processor, strip steel 201, 301 ultrasonic absorption plate, 401 high temperature resistant shield, 402 outer side metal plate, 403 inner side metal plate of heat insulating material 404, high temperature protective gas, 405 high temperature protective atmosphere, ①, motion detection sensor, 36501, and motion detection module.

Detailed Description

Referring to fig. 1, a schematic diagram of an ultrasonic deviation rectifying and detecting device is shown. The strip steel 201 along the length direction passes through an ultrasonic wave deviation rectifying detection device 101 of a strip surface material, a left ultrasonic wave pulse signal processor 104L and a right ultrasonic wave pulse signal processor 104R of the ultrasonic wave deviation rectifying detection device form ultrasonic wave reflection detection to detect the left and right deviation of the strip steel, the left ultrasonic wave pulse signal processor 104L is connected with a left ultrasonic wave generator control circuit 105L, and the detected deviation is processed into an electric signal through a signal and then fed back to an amplifying comparison processor 106. The right ultrasonic pulse signal processor 104R is connected to the right ultrasonic generator control circuit 105R, and the detected off-tracking amount is processed into an electric signal by a signal and fed back to the amplification comparison processor 106.

After the ultrasonic wave sent by the ultrasonic device measures the triangular signal area detection signal of the steel plate surface of the strip steel, the actual offset of the strip steel is calculated, the triangular signal area detection signal covers the edge of the strip steel, and after the ultrasonic signal dissipated by the edge of the strip steel irradiates the ultrasonic absorption plate 301 through the strip steel, the accuracy of the actual measurement signal is prevented from being interfered by the ultrasonic signal outside the irradiation area of the strip steel.

Fig. 2 is a schematic diagram of ultrasonic wave transmission and reception, a strip steel and an ultrasonic wave absorption plate, an ultrasonic wave detector 101 measures reflected waves irradiated to a strip steel 201 after signal processing, a left ultrasonic wave high voltage module 103L is connected with a left ultrasonic pulse signal processor 104L, the left ultrasonic wave high voltage module 103L provides high voltage output for an ultrasonic wave generating device and supplies the high voltage output to a left ultrasonic wave transmitting antenna 102A, the left ultrasonic pulse signal processor 104L receives an ultrasonic electric signal, performs noise suppression and signal filtering, and sends a feedback signal to a left ultrasonic wave generator control circuit 105L, the ultrasonic wave detector 101 is connected with the left ultrasonic wave generator control circuit 105L, the left ultrasonic wave generator control circuit 105L is connected with an amplification comparison processor 106, and the left ultrasonic wave generator control circuit 105L feeds the processed signal back to the amplification comparison processor 106. The right ultrasonic high-voltage module 103R is connected to the right ultrasonic pulse signal processor 104R, the right ultrasonic high-voltage module 103R provides high-voltage output for the ultrasonic generator and supplies the high-voltage output to the right ultrasonic transmitting antenna 102C, the right ultrasonic pulse signal processor 104R receives feedback signals after noise suppression and signal filtering after ultrasonic electrical signals are received and sends the feedback signals to the right ultrasonic generator control circuit 105R, the ultrasonic detector 101 is connected to the right ultrasonic generator control circuit 105R, the right ultrasonic generator control circuit 105R is connected to the amplification comparison processor 106, and the right ultrasonic generator control circuit 105R feeds the feedback signals to the amplification comparison processor 106 after signal processing.

The feedback signal obtained by measuring the actual area of the strip steel by the ultrasonic wave emitted by the ultrasonic detector 101 is used as a judgment basis, and the ultrasonic wave signal scattered to the periphery of the strip steel is absorbed and scattered by the ultrasonic absorption plate 301, so that the ultrasonic reflection receiving module cannot receive other ultrasonic wave reflection signals unexpected by the strip steel.

FIG. 3 is a structure of a cooling jacket of a heat-proof lining structure of an ultrasonic deviation rectifying and detecting device with a surface material, wherein transmitting and receiving heads of an ultrasonic detector 101 are installed together and are respectively ultrasonic detecting devices on the left side and the right side, a triangular area for left transmitting and reflection detecting is made by an ultrasonic baffle plate 102T in FIG. 3, the ultrasonic baffle plate 102T is used as a dividing point, isolation of signals on the left side and the right side is formed, mutual interference is reduced, two working cavities of an ultrasonic left transmitting cavity 102L and an ultrasonic right transmitting cavity 102R are shared blocking baffle plates, the two working cavities of the ultrasonic left transmitting cavity 102L and the ultrasonic right transmitting cavity 102R are installed in an integral protective cover, the size and the installation of the ultrasonic detecting device are reduced, and the cooling source is conveniently connected. Fig. 6 is a schematic diagram of a cooling jacket of a heat-proof lining structure of an ultrasonic deviation rectification detection device with a surface material, a high-temperature-resistant protection plate 401 is a structural steel plate with an outer metal plate 402 as an outermost protection, a middle filling material is a polymer heat-insulating material 403, an integrated transmitting antenna and a device for reflecting an ultrasonic signal of a receiving head for installing key elements of the ultrasonic detection device are arranged on the inner side, and an inner metal plate 404 is a final protection layer for protecting the ultrasonic detector 101.

Fig. 4 is a schematic diagram of transmitting and receiving ultrasonic signals of the left integrated transmitting antenna receiving head, the left ultrasonic pulse signal processor 104L includes a left ultrasonic transmitting antenna 102A, the transmitted ultrasonic signals irradiate the strip steel, the reflected ultrasonic signals are received by the left reflected signal receiving head 102B, and the signals are processed and fed back by the left ultrasonic pulse signal processor 104L. The dissipated ultrasonic signals bypass the strip steel 201 and are emitted to the back of the strip steel 201, and the ultrasonic absorption plate 301 behind the strip steel 201 absorbs the redundant ultrasonic waves, so that the accuracy of the ultrasonic reflection on the measurement value is improved, and the useless reflected signals are reduced to be received by the reflected signal receiving head 102B. The left ultrasonic wave transmitting antenna 102A and the left reflected signal receiving head 102B are installed inside a protective cover as an integrated device for transmitting and receiving.

Fig. 5 is a schematic diagram of transmitting and receiving ultrasonic signals of a right integrated transmitting antenna receiving head, a right ultrasonic pulse signal processor 104R includes a right ultrasonic transmitting antenna 102C, the transmitted ultrasonic signals irradiate the strip steel, the reflected ultrasonic signals are received by a right reflected signal receiving head 102D, and the signals are processed and fed back by the right ultrasonic pulse signal processor 104R. The dissipated ultrasonic signals bypass the strip steel 201 and are emitted to the back of the strip steel 201, and the ultrasonic absorption plate 301 behind the strip steel 201 absorbs the redundant ultrasonic waves, so that the accuracy of the ultrasonic reflection on the measurement value is improved, and the useless reflected signals are reduced to be received by the reflected signal receiving head 102D. The right ultrasonic wave transmitting antenna 102C and the right reflected signal receiving head 102D are installed inside a protective cover as an integrated device for transmission and reception.

The protective cooling gas 405 is a cooling gas source for cooling the inner metal plate 404, further reducing heat and protecting the ultrasonic detector 101, the high-temperature environment hot air flow 406 is a hot air flow affected by the field environment temperature in the normal working environment, the high-temperature environment hot air flow 406 directly acts on the surface of the outer metal plate 402, and the temperature of the outer metal plate 402 is raised after the outer metal plate 402 is subjected to air convection heat transfer, and the heat is transferred to the polymer heat insulating material 403. The polymer heat insulating material 403 adopts aerogel felt as a main barrier layer for blocking temperature, can block high temperature of over 1000 ℃, has excellent heat resistance, effectively reduces heat conduction to the inner metal plate 404, and achieves the cooling purpose of the cooling jacket.

The protective cooling gas 405 can use compressed air as a cooling medium in places with low temperature in working places, can use nitrogen as a cooling medium in places with good environmental temperature in the working places, and has better effect as a cooling medium after both cooling gases are subjected to water cooling heat exchange to reduce the temperature.

Fig. 7 is a schematic diagram of the overall detection and feedback of the ultrasonic deviation rectifying and detecting device for the belt material, wherein the ultrasonic detector 101 is composed of a left ultrasonic detection and receiving integrated detector and a right ultrasonic detection and receiving integrated detector, the left ultrasonic high-voltage module 103L is connected with the left ultrasonic pulse signal processor 104L, and the left ultrasonic pulse signal processor 104L comprises a detection feedback signal processing module which is composed of ultrasonic waves (hereinafter referred to as an ultrasonic transmitting group) required by an ultrasonic transmitting antenna and a reflected signal receiving head (hereinafter referred to as an ultrasonic reflecting detection group) reflected by the belt steel 201.

The ultrasonic reference signal provided by the left ultrasonic high-voltage module 103L is sent to the left ultrasonic pulse signal processor 104L in the left ultrasonic emission group, and the ultrasonic emission group and the ultrasonic reflection detection group are respectively processed by the left ultrasonic pulse signal processor 104L.

The left ultrasonic wave transmitting group is formed by connecting a left ultrasonic wave transmitting antenna 102A with a left transmitting signal processor 102A1, the left transmitting signal processor 102A1 is connected with a left transmitting signal amplifier 102A2, a processing signal sent by a left ultrasonic wave high-voltage module 103L is sent to the left transmitting signal amplifier 102A2, the left transmitting signal amplifier 102A2 amplifies a control signal and then sends the control signal to a left transmitting signal processor 102A1 to be a final signal, and the left ultrasonic wave transmitting antenna 102A transmits detection ultrasonic waves to irradiate the surface of the strip steel 201 to form a limited triangular detection area.

The left ultrasonic reflection detection group is formed by connecting a left reflection signal receiving head 102B with a left reflection signal shaping 102B1, connecting a left reflection signal shaping 102B1 with a left reflection signal amplifier 102B2, connecting a left reflection signal amplifier 102B2 with a left ultrasonic high-voltage module 103L,

the ultrasonic reflection signals detected by the left reflection signal receiving head 102B are converted into electric signals and then sent to the left reflection signal shaping 102B1 to shape the signals, other useless signals are isolated and filtered to reduce the interference of the reflection signals, and then the detection signals are amplified by the left reflection signal amplifier 102B2 and fed back to the left ultrasonic high-voltage module 103L for processing.

The right ultrasonic wave transmitting group is sent to the right ultrasonic wave pulse signal processor 104R by the ultrasonic wave reference signal provided by the right ultrasonic wave high voltage module 103R, and the right ultrasonic wave pulse signal processor 104R respectively processes the ultrasonic wave transmitting group and the ultrasonic wave reflection detection group.

The right ultrasonic wave transmitting group is formed by connecting a right ultrasonic wave transmitting antenna 102C with a right transmitting signal processor 102C1, the right transmitting signal processor 102C1 is connected with a right transmitting signal amplifier 102C2, a processing signal sent by a right ultrasonic wave high-voltage module 103R is sent to the right transmitting signal amplifier 102C2, the right transmitting signal amplifier 102C2 amplifies a control signal and then sends the amplified control signal to a right transmitting signal processor 102C1 to be a final signal, and the right ultrasonic wave transmitting antenna 102C transmits detection ultrasonic waves to irradiate the surface of the strip steel 201 to form a limited triangular detection area.

The right ultrasonic reflection detection group is formed by connecting a right reflection signal receiving head 102D with a right reflection signal shaping 102D1, connecting a right reflection signal shaping 102D1 with a right reflection signal amplifier 102D2, connecting a right reflection signal amplifier 102D2 with a right ultrasonic high-voltage module 103R,

the ultrasonic reflection signals detected by the right reflection signal receiving head 102D are converted into electric signals and then sent to the right reflection signal shaping 102D1 to shape the signals, other useless signals are isolated and filtered to reduce the interference of the reflection signals, and then the detection signals are amplified by the right reflection signal amplifier 102D2 and fed back to the right ultrasonic high-voltage module 103R for processing.

The ultrasonic detector 101 is connected with a left ultrasonic generator control circuit 105L and a right ultrasonic generator control circuit 105R, the left ultrasonic generator control circuit 105L and the right ultrasonic generator control circuit 105R are respectively connected with an amplification comparison processor 106, and detection signals are fed back to the amplification comparison processor 106.

In fig. 7, the amplification comparison processor 106 is connected to a calculation module 801, the calculation module 801 is connected to the temperature detection sensor 501, the operation output ① 601, and the operation output ② 701, the calculation module 801 is a central command control module for whole ultrasonic detection and output, analyzes and converts the distance after receiving the data of the amplification comparison processor 106, detects the trend of ultrasonic changes on the left and right sides and compares and judges the actual reference value, outputs the operation output ① 601 and the operation output ② 701 of the feedback terminal with an execution element to control the actual deviation correction device, which may be a hydraulic cylinder, an air cylinder, or an electric cylinder, and other types of driving devices to control the operation of the deviation correction roller, and the calculation module 801 and the amplification comparison processor 106 form an actual closed-loop control mode to detect and control the deviation amount in real time, so that the deviation amount is maintained within a normal receiving range.