CN209877932U - Nuclear reaction column assembly installation and measurement tool - Google Patents
Nuclear reaction column assembly installation and measurement tool Download PDFInfo
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- CN209877932U CN209877932U CN201920474275.7U CN201920474275U CN209877932U CN 209877932 U CN209877932 U CN 209877932U CN 201920474275 U CN201920474275 U CN 201920474275U CN 209877932 U CN209877932 U CN 209877932U
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Abstract
The utility model discloses a nuclear reaction column assembly mounting and measuring tool, which comprises a mounting platform and a mounting leaning column, wherein the platform mounting end of the mounting leaning column is fixed on the mounting surface of the mounting platform, a low-section mounting detection assembly is also mounted on the mounting surface of the mounting platform, a detection guide rail, a rack and a displacement detection ruler strip are vertically mounted on the outer wall of the mounting leaning column facing to the side of the low-section mounting detection assembly, a middle-section detection assembly and a high-section detection assembly are sequentially arranged on the detection guide rail in a sliding manner along the direction from the platform mounting end of the mounting leaning column to the direction far away from the platform mounting end, and the detection centers of the low-section mounting detection assembly, the middle-section detection assembly and the high-section detection assembly are coaxial; the installation leans on the post to keep away from platform installation end direction along the platform installation end of installation leaning on the post and has set gradually clamp subassembly and the firm subassembly in upper end. Has the advantages that: the detection precision is high, and the data acquisition is accurate.
Description
Technical Field
The utility model relates to an accurate original paper detection technical field that dispatches from factory, specific nuclear reaction column unit mount measures frock that says so.
Background
In nuclear power plants, nuclear raw materials are essential raw materials, but are highly hazardous materials. For the nuclear industry, all equipment and instrumentation associated with nuclear industry equipment is required to be processed and tested to a high standard.
The nuclear reaction column consists of a high section, a middle section and a low section, the three sections are processed in a segmented mode during production and are connected together in a high-precision welding mode, wherein the joint of the middle section and the low section is a transition section, the radial direction of the transition section gradually becomes smaller from the middle section to the low section, and the transition section is in a spherical crown shape, which is detailed in an attached drawing 1. Because production and welding still have the deviation, for the equipment of nuclear power industry, because in the power generation process, under the high temperature condition, in order to reach high density, high accuracy installation, nuclear equipment installation in-process, two distances between two and two need control at 1mm, even more approximate distance, and nuclear equipment general structure is complicated and bulky. High-precision detection is required after production, such as structural roughness, integrity, long-distance straightness, long-distance torsion resistance, bending degree, circular arc or end face runout, and due to the above requirements, multi-process detection is required before factory shipment.
In the detection process, for equipment which is cylindrical and long in length, due to the special structure, other interferents cannot exist during detection and installation, for the special structure, the fixed state is not easy to maintain, the comprehensive detection of the column body needs to be realized, and due to the fact that the nuclear reaction column is expensive and has a value of 2-3 million, in the detection process, any collision or even friction is not allowed to occur, in the whole detection process, under the condition that no person participates in, the detected column body is guaranteed to be kept in the immovable state in real time, and high-precision measurement of each position on the column body is also realized.
For the prior art, no device can meet the detection condition of the reaction column, and no detection device can realize the installation of the column body, so that the safety and the reliability of the column body in the detection process are ensured. In view of the foregoing, it is desirable to provide an apparatus for detecting a column with high accuracy.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a frock is measured in nuclear reaction post unit mount carries out the adaptability design to the shape and the structure of current nuclear reaction post, can carry out the adaptability adjustment to this assembly according to the shape and the structure of nuclear reaction post, and it is high to detect the precision, and data acquisition is accurate.
In order to achieve the above purpose, the utility model adopts the following specific technical scheme:
the utility model provides a frock is measured in installation of nuclear reaction post subassembly, its key technology lies in: the device comprises an installation platform and an installation leaning column, wherein a platform installation end of the installation leaning column is fixed on an installation surface of the installation platform, a low-section installation detection assembly is further installed on the installation surface of the installation platform, a detection guide rail, a rack and a displacement detection ruler strip are vertically installed on the outer wall of the installation leaning column facing to the side of the low-section installation detection assembly, a middle-section detection assembly and a high-section detection assembly are sequentially arranged on the detection guide rail in a sliding mode from the platform installation end of the installation leaning column to the direction far away from the platform installation end, and detection centers of the low-section installation detection assembly, the middle-section detection assembly and the high-section detection assembly are coaxial; the installation leans on the post to keep away from platform installation end direction along the platform installation end of installation leaning on the post and has set gradually clamp subassembly and the firm subassembly in upper end.
Through the design, the low-section installation detection assembly is adopted to realize the low-section detection and installation of the nuclear reaction column and carry out the down-run detection. The uniform middle section surface of the nuclear reaction column is detected through the middle section detection assembly. Through high section determine module, carry out the centre gripping and drive its rotation to nuclear reaction post, combine low section installation determine module, high section determine module's length meter, beat down and beat on the nuclear reaction post and detect. And in the detection process, the clamp assembly and the upper end stabilizing assembly are combined to fix and strengthen the nuclear reaction column. The detection centers of the low-section installation detection assembly, the middle-section detection assembly and the high-section detection assembly are coaxially arranged, so that the detection assemblies are guaranteed to keep linearity, the consistency of collected data is good, and the processes of later-stage data calculation and processing can be saved when nuclear reaction column detection is carried out.
The further technical scheme is as follows: the low-section installation detection assembly is provided with a base, the base is integrally in a flange bearing seat shape, one end of a flange plate of the base is a fixed end, the end far away from the fixed end is an installation detection end, an installation sleeve is sleeved in a bearing sleeve on the installation detection end side of the base, one end of the installation sleeve far away from the base is an installation end, and an inner chamfer is arranged at the position, close to the installation end, of an inner sleeve of the installation sleeve along the circumferential direction;
a detection hole is formed in the side, close to the fixed end, of the cylinder wall of the base bearing sleeve, a lower run-out length meter is installed in the detection hole, and the detection end of the lower run-out length meter extends into the bearing sleeve of the base;
the lower run-out length meter is arranged on the mounting piece, two sides of the mounting piece are symmetrically provided with a slide rail, and the two slide rails correspondingly slide on a guide rail; the guide rails are vertically arranged on two sides of the detection hole in parallel;
the mounting piece is provided with a guide hole, a guide rod penetrates through the guide hole, the arrangement direction of the guide rod is parallel to the guide rail, and two ends of the guide rod are fixed through a fixing piece respectively.
The nuclear reaction column assembly is sleeved in the bearing sleeve of the base, and is hung on the inner chamfer angle through the inner chamfer angle with the adaptive shape of the nuclear reaction column assembly. The flange bearing seat-shaped base can realize stable installation. And set up interior chamfer, can make nuclear reaction column subassembly place in this internal chamfer of circumference, the cambered surface of interior chamfer cooperatees with the stationary plane of nuclear reaction column subassembly, makes the installation have not the clearance. And through the length meter that sets up at the inspection hole, the sense terminal of length meter stretches to nuclear reaction column subassembly surface, combines the rotation of nuclear reaction column subassembly, can carry out the circle run-out test to nuclear reaction column subassembly. And the nuclear reaction column assembly is arranged in a sleeving manner, so that the deflection and the shaking degree of the nuclear reaction column assembly can be reduced when the nuclear reaction column assembly rotates.
Through the cooperation of slide rail and guide rail, drive the length meter can be followed the length meter removes at the installation piece, wherein, the direction that sets up of guide rail or edge the telescopic axial setting of bearing, perhaps along the radial setting of bearing sleeve, because the measuring position of length meter can change, then improved its adaptability, can detect the nuclear reaction column subassembly of multiple model and shape.
Through guide bar and guiding hole cooperation, prescribe a limit to the trend of length meter, migration distance, improve and detect the precision, prevent to take place the skew.
The technical scheme is that a bearing sleeve of the base is provided with a jump detection section and a mounting section which are sequentially connected; the detection hole is formed in the jumping detection section of the bearing sleeve; the mounting sleeve is sleeved on the mounting section of the bearing sleeve; by adopting the scheme, the installation section is used for installing the nuclear reaction column assembly, and the run-out detection section is provided with the length meter, so that the end part of the nuclear reaction column assembly is subjected to circular run-out test.
N detector stopping steps are uniformly arranged on the outer wall, close to the installation detection end, of the base bearing sleeve; the detector stopping step is axially arranged along the bearing sleeve, and the detector stopping step rises towards the installation detection end; n is a positive integer. In the process of detecting and testing the nuclear reaction column assembly, each component of the nuclear reaction column assembly needs to be detected. When keeping away from the base part to nuclear reaction column group and detecting the preparation, need install this testing instrument who detects the part in advance to when the nuclear reaction column subassembly cover is established and is installed behind the base, carry out circumference to nuclear reaction column subassembly and detect. The ladder is stopped by the detector and used for temporarily placing other detecting instruments. And the stepped shape is convenient for the detection instrument to be separated from and stopped on the base.
An installation bump is arranged on the inner wall of the base bearing sleeve close to the installation detection end; the outer wall of the mounting sleeve barrel is provided with an outward flange at the position close to the mounting end; the lower edge of the outward flanging is arranged on the side, close to the installation detection end, of the installation lug through a pushing bearing; the outer wall of the sleeve of the mounting sleeve is provided with an outward flange at the position close to the mounting end, and the shape and the size of the outward flange are matched with the size and the shape of the circumferential mounting lug. And establish mutually through promoting the bearing, when nuclear reaction column subassembly rotates, can reduce nuclear reaction column subassembly pivoted rotation strength through promoting the bearing, reduce the vibration and the beat dynamics of base, make whole more tend to calmly.
A bearing sleeve is sleeved on the outer cylinder wall of the mounting sleeve, and the outer sleeve wall of the bearing sleeve abuts against the inner wall of the bearing sleeve of the mounting section; can carry on spacingly to the installation sleeve, when nuclear reaction column subassembly rotated or the beat, avoid the installation sleeve also to rock thereupon. And the deflection degree of the nuclear reaction column assembly can be reduced.
In order to improve the abutting force and reduce the deflection degree of the mounting sleeve, the bearing sleeve is arranged on the side, close to the fixed end, of the mounting lug.
The middle section detection assembly is provided with a middle section installation platform, a middle section installation through hole is formed in the table top of the middle section installation platform, M groups of middle section detection meters are circumferentially fixed along the middle section installation through hole, and the detection ends of all the middle section detection meters face to the center of the middle section installation through hole and stretch back and forth; m is a positive integer.
The middle-section mounting table is also connected with a middle-section sliding mounting piece, a middle-section sliding rail is arranged on the middle-section sliding mounting piece, the middle-section sliding rail is slidably mounted on the detection guide rail, and one end of the middle-section sliding rail abuts against the displacement detection ruler strip;
the middle section installation platform is also provided with a middle section detection driving motor, the middle section detection driving motor is connected with a middle section driving gear after passing through the first speed reducer, and the gear teeth of the middle section driving gear are meshed with the rack teeth.
Adopt above-mentioned scheme, realize detecting the middle section of nuclear reaction post at middle section determine module, wherein M group middle section determine meter central symmetry sets up, initial condition, the middle section determine meter is in the shrink state, and the cover is established at low section installation determine module outer wall, and the sense terminal butt of middle section determine meter is on the detector berths the ladder, after accomplishing the vertical runout detection, the middle section detects driving motor drive middle section determine module and moves along keeping away from the mounting platform direction, make the middle section determine meter from the detector berth ladder natural motion to the nuclear reaction post on. And the current position of the middle section detection assembly is detected in real time by combining the displacement detection ruler strip.
In the moving process, the motor is driven, and after the speed is reduced by the speed reducer, the rotating speed is slow, so that the surface of the nuclear reaction column body is prevented from being scratched by fast moving. Can realize high accuracy quick brake and start-up, at the removal in-process, in order to improve and detect the precision, the migration distance is little, generally about 10mm, to general motor all be difficult to control, to the miniwatt motor, whole equipment is difficult to drive, to the motor that power is big, opens and stops the accuracy low, through the utility model discloses a setting realizes that the high accuracy removes.
And in order to guarantee that this subassembly can smooth movement, the slide rail includes two at least teams to the longitudinal symmetry sets up, guarantees to remove the in-process, and the motion trail that detects the meter in the subassembly middle section remains the same linear motion to same angle all the time.
The further technical scheme is as follows: the high-section detection assembly is provided with a rotary driving unit, the rotary driving unit is used for fixing the nuclear reaction column and driving the nuclear reaction column to rotate, a high-section sliding installation part is connected to the rotary driving unit, a high-section sliding rail is fixedly arranged on the high-section sliding installation part and is slidably arranged on the detection guide rail, and one end of the high-section sliding rail abuts against the displacement detection ruler strip;
the high-section sliding installation part is also provided with a high-section detection driving motor, the high-section detection driving motor is connected with a high-section driving gear after passing through a second speed reducer, and the gear teeth of the high-section driving gear are meshed with the rack teeth;
the high-section sliding installation part is provided with a detector installation support, a high-section length meter and a laser displacement sensor are installed on the detector installation support, and the detection end of the high-section length meter extends to the center of the rotary driving unit and is used for detecting the high-section jumping of the nuclear reaction column; the laser displacement sensor is used for detecting the alignment state of the nuclear reaction column.
By adopting the scheme, the rotary driving unit is used for clamping the nuclear reaction column and driving the nuclear reaction column to rotate according to the set rotation angle or arc length, and the positioning and the upward jumping detection are carried out by combining the high-section length meter and the laser displacement sensor. And can be moved by the movement distance in combination with the jitter detection requirement.
The further technical scheme is as follows: the high-section sliding installation part is provided with a rotating installation hole, the rotating installation hole is internally sleeved with the rotating driving unit, the rotating driving unit is provided with a rotating driving motor fixed on the high-section sliding installation part, a driving shaft of the rotating driving motor is connected with a driving gear, an outer gear ring of the driving gear is meshed with an outer gear ring of a driven wheel, a first perforation is arranged in the center of the driven wheel, the driven wheel and a high-section sleeve are arranged, and a sleeve of the high-section sleeve is coaxial with the first perforation of the driven wheel and has the same hole diameter;
the high-section sleeve is far away from one of the ends of the driven wheel is provided with an L pair of chuck grooves, each chuck groove is internally and respectively movably provided with a chuck, and the clamping end of each chuck faces the center of the shaft of the high-section sleeve.
Through the design, the rotary driving motor drives the whole rotary driving unit to rotate. The detection of the whole surface of the nuclear reaction cylinder is realized. The chuck can be extended and retracted to adapt to clamping of cylinders of different structures and shapes.
Including the chuck section with cup joint the section at high section sleeve, surround on the high section sleeve outer wall of cup joint the section and be provided with high section bearing housing, including rotatory mounting hole all surrounds the chuck section with cup joint the section. This high section bearing housing outer wall butt has strengthened high section determine module's cover and has established intensity and protection dynamics on the rotatory mounting hole pore wall of high section slip installed part.
The further technical scheme is as follows: the clamp component is provided with two pushing cylinders and two pushing guide rails which are symmetrically arranged on the mounting leaning column, the pushing end of each pushing cylinder is connected with a pushing plate, a pushing slide rail is arranged on each pushing plate, and each pushing slide rail is slidably arranged in each pushing guide rail;
two the catch plates that promote the cylinder connection set up relatively, and open at the looks remote site tip of catch plate has the clamp groove, two the relative setting of clamp groove notch.
Through this clamp subassembly, carry out clamping action to nuclear reaction post, prevent that it from taking place to fall partially.
The further technical scheme is as follows: the upper end stabilizing assembly is provided with a stabilizing cylinder and a stabilizing guide rail which are arranged on the mounting leaning column, the driving end of the stabilizing cylinder is connected with the movable plate, a stabilizing slide rail is further arranged on the movable plate, and the stabilizing slide rail is slidably mounted on the stabilizing guide rail;
and a stable sleeve is arranged at the moving end part of the moving plate, and the opening of the stable sleeve faces the mounting platform.
Through above-mentioned design, the upper end subassembly that stabilizes is used for being blockked the back when the position of clamp subassembly joint, fixes the nuclear reaction post from upper portion, and it is fixed to combine low section installation determine module's lower part, improves the stability of cylinder.
The low-section jumping detection control end of the controller is connected with a lower jumping length meter of the low-section installation detection component;
the middle section detection control end of the controller is connected with the middle section detection meter of the middle section detection assembly, and the middle section detection movement control end of the controller is connected with the middle section detection driving motor of the middle section detection assembly;
the high-section jumping detection control end of the controller is connected with a high-section length meter of the high-section detection assembly, the high-section position detection end of the controller is connected with a laser displacement sensor of the high-section detection assembly, the high-section detection movement control end of the controller is connected with a high-section detection driving motor of the high-section detection assembly, and the high-section rotation control end of the controller is connected with a rotation driving motor of the high-section detection assembly;
and the position detection end of the controller is also connected with the displacement detection ruler strip and is used for acquiring the positions of the middle section detection assembly and the high section detection assembly.
The detection data are acquired in real time through the controller, and the detection data at different positions are acquired through the high-section detection assembly and the low-section installation detection assembly, so that the circular runout conditions of two end parts of the nuclear reaction column are obtained. And forming a data array through detection data obtained by M groups of middle section detection meters in the middle section detection assembly. And (3) aligning the straightness, the torsion degree, the bending degree and the like of the middle section of the column body through the data array. And in the acquisition process, the current positions of the high-section detection assembly and the low-section installation detection assembly detected by the displacement detection ruler strip are acquired in real time. And in order to realize the position information that data acquisition combines displacement detection chi strip to detect, the rotation of intelligent control middle section detection driving motor, high section detection driving motor, rotation driving motor.
A measuring method of a nuclear reaction column assembly installation measuring tool comprises the following steps:
a step for installing a nuclear reaction column;
a step for detecting the jumping of the high section and the low section of the nuclear reaction column;
detecting the middle section of the nuclear reaction column;
the steps for installing the nuclear reaction column are specifically as follows:
SA 1: initializing, namely fixing a middle-section detection assembly and a high-section detection assembly at the lowest position of the guide rail by a controller, fixing the middle-section detection assembly at a stopping step of a detector of the low-section installation detection assembly, and enabling the axes of an installation sleeve of the low-section installation detection assembly, a middle-section installation through hole of the middle-section detection assembly and a stabilizing sleeve of a hoop assembly to coincide;
SA 2: the controller controls the lifting device to lift the nuclear reaction column, so that the bottom of the nuclear reaction column penetrates through the high-section detection assembly, the bottom of the nuclear reaction column extends into the mounting sleeve of the low-section mounting detection assembly, and the transition section of the nuclear reaction column falls on the inner chamfer of the inner sleeve of the low-section mounting detection assembly mounting sleeve;
SA 3: the controller controls the clamp assembly to clamp the middle section of the nuclear reaction column;
SA 4: and the controller controls the hoisting device to loosen and transfer, and the nuclear reaction column detection is started.
Through the steps, the intelligent installation and fixation of the nuclear reaction column are completed.
The method comprises the following steps of:
SB 1: the controller controls the high-section detection assembly to move towards the direction far away from the mounting platform along the detection guide rail;
SB 2: when the high-section detection assembly moves to the clamping position of the hoop assembly, the controller controls the high-section detection assembly to stop moving;
SB 3: the controller controls the upper end stabilizing assembly to move to the end part of the high section of the nuclear reaction column, so that the high section sleeve of the upper end stabilizing assembly is fixedly sleeved at the end part of the high section of the nuclear reaction column;
SB 4: the controller controls the clamp assembly to release clamping;
SB 5: the controller controls the high-section detection assembly to continuously move in the direction far away from the mounting platform;
SB 6: the controller acquires the current position of a high-section detection assembly detected by the displacement detection ruler strip; if the high-section detection assembly moves to the high section of the nuclear reaction column, the controller controls the L pairs of clamping discs of the high-section detection assembly to fix the end part of the high section of the nuclear reaction column, and the step SB7 is carried out; otherwise, the controller controls the high-stage detection assembly to continue to move and returns to the step SB 6;
SB 7: the controller controls and adjusts the high-section detection assembly to move on the nuclear reaction column in a short distance, controls the high-section length meter and the lower run-out length meter to be abutted against the surface of the nuclear reaction column, and enters step SB8 after detection data are obtained;
SB 8: the controller controls a rotary driving motor of the high-section detection assembly to rotate for presetting the arc length;
SB 9: the controller judges whether data acquisition is finished, if so, the controller controls the hoop component to clamp the nuclear reaction column, the high-section detection component continues to move in the direction far away from the installation platform until the high-section detection component completely penetrates out of the nuclear reaction column, and the nuclear reaction column is subjected to vertical jumping judgment according to all data detected by the high-section detection component and the low-section installation detection component; otherwise, the process returns to step SB 7.
Through the steps, the high-section detection assembly is intelligently moved upwards, and the column is rotated by combining the rotary driving motor of the high-section detection assembly. Meanwhile, the high-section length meter performs circular run-out test on the high section of the column body, and the lower run-out length meter is used for performing lower run-out detection on the lower section part installed in the low-section installation detection assembly.
The steps for detecting the middle section of the nuclear reaction column specifically comprise:
SC 1: the controller sets the detection moving distance of the middle section;
SC 2: the controller controls the middle section detection assembly to move a set middle section detection moving distance in a direction away from the mounting platform;
SC 3: the controller controls all the middle section detectors to be abutted against the surface of the nuclear reaction column to obtain detection data of the current position;
SC 4: the controller judges whether the current position of the middle section detection assembly is the highest position of the middle section of the nuclear reaction column, if so, the step SC5 is carried out; otherwise, returning to the step SC 2;
SC 5: and the controller calculates the straightness, the torsion resistance and the bending degree of the middle section of the nuclear reaction column according to the acquired middle section detection data.
By adopting the scheme, the middle section detection meters move from the section to the high section, the nuclear reaction column surface data is collected once at each set distance, the data at least comprises the three-dimensional index of the current detection position, the detection precision is high, the motion tracks of the middle section detection meters can be obtained after a plurality of movement detections are combined, and the straightness, the torsion resistance and the curvature of the detection data of each detection meter can be calculated through the motion tracks, so that the straightness, the torsion resistance and the curvature of the column body are reflected.
The utility model has the advantages that: the nuclear reaction column is adaptive to the shape and structure of the existing nuclear reaction column, can be adaptively adjusted according to the shape and structure of the nuclear reaction column, and has high detection precision and accurate data acquisition.
Drawings
FIG. 1 is a schematic view of a spherical cap structure of a transition section of a nuclear reaction column;
FIG. 2 is a schematic view of the three-dimensional structure of the installation and measurement assembly of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a partial enlarged view of B in FIG. 2;
FIG. 5 is a side view of the installation measurement assembly of the present invention;
FIG. 6 is a schematic view of the three-dimensional structure of the low-stage installation detection assembly of the present invention;
fig. 7 is a partially enlarged schematic view of C in fig. 6 according to the present invention;
FIG. 8 is a cross-sectional view of the low-end installation detection assembly of the present invention;
FIG. 9 is a schematic view of the installation of a spherical cap structure of a nuclear reaction column;
FIG. 10 is a schematic structural diagram of a middle section inspection module according to the present invention;
FIG. 11 is a schematic structural view of a middle section detecting assembly of the present invention;
fig. 12 is a schematic perspective view of the high-stage detecting assembly of the present invention;
fig. 13 is a side view of the high-section inspection assembly of the present invention;
figure 14 is a cross-sectional view c-c' of figure 13 in accordance with the present invention;
fig. 15 is a schematic structural view of a high-stage sliding mounting member of the high-stage detecting assembly of the present invention;
fig. 16 is a schematic structural view of a rotary driving unit of the high-stage detecting assembly of the present invention;
fig. 17 is a schematic structural view of the clip assembly (7) of the present invention;
FIG. 18 is a first schematic structural view of an upper end stabilizing assembly of the present invention;
FIG. 19 is a second schematic structural view of the upper end stabilizing assembly of the present invention;
FIG. 20 is a control block diagram of the controller of the present invention;
FIG. 21 is a flow chart of the steps of the present invention for installing a nuclear reaction column;
FIG. 22 is a flow chart illustrating the steps of the present invention for detecting run-out between the high and low sections of a nuclear reactor column;
fig. 23 is a flowchart illustrating the steps of the present invention for detecting the middle section of a nuclear reaction column.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from figures 2 and 5, a nuclear reaction column subassembly installation measurement frock, including mounting platform 1 and installation lean on post 2, the platform installation end that should install lean on post 2 is fixed on mounting platform 1's the installation face, still installs low section installation determine module 3 on this mounting platform 1's the installation face the installation leans on post 2 orientation vertical installation has detection guide rail 4a, rack 4b and displacement detection chi strip 10 on the outer wall of low section installation determine module 3 side, and the platform installation end that leans on post 2 along the installation is slided in proper order to keeping away from platform installation end direction on this detection guide rail 4a and is provided with middle section determine module 5 and high section determine module 6, in this embodiment, the center of detection of low section installation determine module 3, middle section determine module 5 and high section determine module 6 is coaxial.
The installation leans on post 2 to keep away from platform installation end direction along the platform installation end of installation leaning on post 2 and has set gradually clamp subassembly 7 and the firm subassembly 8 in upper end.
As can be seen from fig. 6 to 9, the low-stage installation detection assembly 3 is provided with a base 31, the base 31 is integrally in a flange bearing seat shape, one end of a flange of the base 31 is a fixed end, the end far away from the fixed end is an installation detection end, a mounting sleeve 32 is sleeved in a bearing sleeve on the installation detection end side of the base 31, one end of the mounting sleeve 32 far away from the base 31 is an installation end, and an inner chamfer is circumferentially chamfered at the end, close to the installation end, of the inner sleeve of the mounting sleeve 32;
as can be seen from fig. 7, a detection hole 33 is formed in the wall of the bearing sleeve of the base 31 near the fixed end, a lower run-out length meter 34 is installed in the detection hole 33, and the detection end of the lower run-out length meter 34 extends into the bearing sleeve of the base 31; the lower run-out length meter 34 is arranged on the mounting piece 35, two sides of the mounting piece 35 are symmetrically provided with a slide rail 36a, and the two slide rails 36a correspondingly slide on a guide rail 36 b; the guide rails 36b are vertically arranged on two sides of the detection hole 33 in parallel; the mounting piece 35 is provided with a guide hole 37, a guide rod 38 penetrates through the guide hole 37, the installation direction of the guide rod 38 is parallel to the guide rail 36b, and two ends of the guide rod 38 are fixed through a fixing piece 39 respectively.
As can be seen in fig. 8, the bearing sleeve of the base 31 is provided with a runout detecting section 31a and a mounting section 31b which are connected in sequence; the detection hole 33 is formed in the jumping detection section 31a of the bearing sleeve; the mounting sleeve 32 is sleeved on the mounting section 31b of the bearing sleeve;
in this embodiment, as can be seen from fig. 6, 6 detector stopping steps are uniformly formed on the outer wall of the bearing sleeve of the base 31 near the installation detection end; the detector stop step is arranged along the axial direction of the bearing sleeve, and in the embodiment, the detector stop step rises towards the installation detection end;
as can also be seen in fig. 8, a mounting projection 310 is arranged on the inner wall of the bearing sleeve of the base 31 near the mounting detection end; an outward flange 32a is arranged on the outer wall of the mounting sleeve 32 close to the mounting end; the lower edge of the outward flange 32a is mounted on the mounting lug 310 near the mounting detection end side through a push bearing 311; the outer cylinder wall of the mounting sleeve 32 is sleeved with a bearing sleeve 12, and the outer cylinder wall of the bearing sleeve 12 abuts against the inner wall of the bearing sleeve of the mounting section 31 b; the bearing housing 12 is disposed on the fixed end side of the mounting projection 310 near the base 31.
As can be seen from fig. 10 and 11, the middle section detecting assembly 5 is provided with a middle section mounting table 51, a middle section mounting through hole 52 is formed in a table top of the middle section mounting table 51, M groups of middle section detecting meters 53 are circumferentially fixed along the middle section mounting through hole 52, and detecting ends of all the middle section detecting meters 53 face to the center of the middle section mounting through hole 52 and stretch back and forth; in this embodiment, M ═ N ═ 6, and each group includes 2 middle segment detectors, in the specific embodiment, the middle segment detector is a length meter.
In this embodiment, as can be seen from fig. 10, the middle-stage installation platform 51 is further connected to a middle-stage slide installation part 54, a middle-stage slide rail 55 is arranged on the middle-stage slide installation part 54, the middle-stage slide rail 55 is slidably installed on the detection guide rail 4a, and one end of the middle-stage slide rail 55 abuts against the displacement detection blade 10;
in this embodiment, as can be seen from fig. 10, the number of the middle-stage sliding rails 55 is 4, and the middle-stage sliding rails are symmetrically and uniformly arranged on the middle-stage sliding mounting part 54.
In this embodiment, as can be seen from fig. 11, a middle detection driving motor 56 is further disposed on the middle installation platform 51, the middle detection driving motor 56 is connected to a middle driving gear 58 through a first speed reducer 57, and gear teeth of the middle driving gear 58 are engaged with the gear teeth of the rack 4 b.
As can be seen from fig. 12 to 16, the high-level detecting assembly 6 is provided with a rotary driving unit 61, the rotary driving unit 61 is used for fixing the nuclear reaction column and driving the nuclear reaction column to rotate, a high-level slide mounting member 62 is connected to the rotary driving unit 61, a high-level slide rail 63 is fixedly arranged on the high-level slide mounting member 62, the high-level slide rail 63 is slidably mounted on the detecting guide rail 4a, and one end of the high-level slide rail 63 abuts against the displacement detecting blade 10.
As can be seen from fig. 12, 13 and 15, a high-stage detection driving motor 67 is further mounted on the high-stage sliding mounting member 62, the high-stage detection driving motor 67 is connected with a high-stage driving gear 69 after passing through a second speed reducer 68, and the gear teeth of the high-stage driving gear 69 are meshed with the gear teeth of the rack 4 b;
as can be seen from fig. 12 and 15, a detector mounting bracket 64 is provided on the high-stage slide mounting member 62, a high-stage length gauge 65 and a laser displacement sensor 66 are mounted on the detector mounting bracket 64, and a detection end of the high-stage length gauge 65 extends to the center of the rotary drive unit 61 for detecting high-stage run-out of the nuclear reaction column; the laser displacement sensor 66 is used to detect the alignment state of the nuclear reaction column.
As can be seen from fig. 12, 15 and 16, the high-stage slidable mounting member 62 is provided with a rotary mounting hole, the rotary driving unit 61 is sleeved in the rotary mounting hole, the rotary driving unit 61 is provided with a rotary driving motor 611 fixed on the high-stage slidable mounting member 62, a driving gear 612 is connected to a driving output shaft of the rotary driving motor 611, an external gear ring of the driving gear 612 is engaged with an external gear ring of a driven wheel 613, a first through hole is arranged at the center of the driven wheel 613, the driven wheel 613 is provided with a high-stage sleeve 614, and a sleeve of the high-stage sleeve 614 is coaxial with and equal to the first through hole of the driven wheel 613;
one end of the high-section sleeve 614 far away from the driven wheel 613 is provided with L pairs of chuck grooves 615, a chuck 616 is movably mounted in each chuck groove 615, and a clamping end of the chuck 616 faces to the center of the cylinder shaft of the high-section sleeve 614.
It can also be seen from fig. 14 that, in this embodiment, the high-stage sleeve includes a chuck section and a socket section, a high-stage bearing sleeve surrounds and is disposed on the outer wall of the high-stage sleeve of the socket section, and the chuck section and the socket section are both surrounded by the rotary mounting hole. This high section bearing housing outer wall butt has strengthened high section determine module 6's cover and has established intensity and protection dynamics on the rotatory mounting hole pore wall of high section slip installed part.
With reference to fig. 2 and 17, in this embodiment, the hoop assembly 7 is fixed at the installation leaning on post 2 through the hoop mounting panel, and the hoop assembly 7 includes the first hoop unit and the second hoop unit that the symmetry set up, and each hoop unit all is provided with push cylinder 71, push rail 72, push slide 74 and pushing plate 73, and is specific: a pushing plate 73 is connected to the pushing end of the pushing cylinder 71, a pushing slide rail 74 is arranged on the pushing plate 73, and the pushing slide rail 74 is slidably mounted in the pushing guide rail 72; the pushing plates 73 connected with the two pushing cylinders 71 are oppositely arranged, the end parts of the opposite ends of the pushing plates 73 are provided with clamp grooves, and the notches of the two clamp grooves are oppositely arranged.
As can be seen from fig. 1, 18 and 19, the upper end stabilizing assembly 8 is provided with a stabilizing cylinder 81 and a stabilizing guide rail 82 which are arranged on the mounting leaning column 2, the driving end of the stabilizing cylinder 81 is connected with a moving plate 83, a stabilizing slide rail 84 is further arranged on the moving plate 83, and the stabilizing slide rail 84 is slidably mounted on the stabilizing guide rail 82; a stable sleeve 85 is arranged at the moving end part of the moving plate 83, and the opening of the stable sleeve 85 faces the mounting platform 1.
With reference to fig. 20, in this embodiment, the present invention further includes a controller 9, and a low jump detecting control end of the controller 9 is connected to the low jump length meter 34 of the low mount detecting assembly 3;
the middle section detection control end of the controller 9 is connected with the middle section detection meter 53 of the middle section detection assembly 5, and the middle section detection movement control end of the controller 9 is connected with the middle section detection driving motor 56 of the middle section detection assembly 5;
the high-range bounce detection control end of the controller 9 is connected with a high-range length gauge 65 of the high-range detection assembly 6, the high-range position detection end of the controller 9 is connected with a laser displacement sensor 66 of the high-range detection assembly 6, the high-range detection movement control end of the controller 9 is connected with a high-range detection driving motor 67 of the high-range detection assembly 6, and the high-range rotation control end of the controller 9 is connected with a rotation driving motor 611 of the high-range detection assembly 6;
and the position detection end of the controller 9 is also connected with the displacement detection ruler strip 10 and is used for acquiring the positions of the middle section detection assembly 5 and the high section detection assembly 6.
A measurement method of a nuclear reaction column assembly installation measurement tool, which is combined with fig. 21 to 22, and specifically includes:
a step for installing a nuclear reaction column;
a step for detecting the jumping of the high section and the low section of the nuclear reaction column;
detecting the middle section of the nuclear reaction column;
as can be seen from fig. 21, the steps for installing the nuclear reaction column specifically include:
SA 1: initializing, namely fixing a middle-section detection assembly 5 and a high-section detection assembly 6 at the lowest position of the guide rail 4a by using a controller 9, fixing the middle-section detection assembly 5 at a stopping step of a detector of the low-section installation detection assembly 3, and enabling the axes of an installation sleeve 32 of the low-section installation detection assembly 3, a middle-section installation through hole 52 of the middle-section detection assembly 5 and a stabilizing sleeve 85 of a hoop assembly 7 to coincide;
SA 2: the controller 9 controls the lifting device to lift the nuclear reaction column, so that the bottom of the nuclear reaction column penetrates through the high-section detection assembly 6, the bottom of the nuclear reaction column extends into the mounting sleeve 32 of the low-section mounting detection assembly 3, and the transition section of the nuclear reaction column falls on the inner chamfer of the inner sleeve of the mounting sleeve 32 of the low-section mounting detection assembly 3;
SA 3: the controller 9 controls the hoop component 7 to clamp the middle section of the nuclear reaction column;
SA 4: the controller 9 controls the hoisting device to loosen and transfer, and the nuclear reaction column detection is started.
Referring to fig. 22, the steps for detecting the run-out of the high section and the low section of the nuclear reaction column include:
SB 1: the controller 9 controls the high-section detection assembly 6 to move along the detection guide rail 4a in the direction far away from the mounting platform 1;
SB 2: when the high-section detection assembly 6 moves to the clamping position of the hoop assembly 7, the controller 9 controls the high-section detection assembly 6 to stop moving;
SB 3: the controller 9 controls the upper end stabilizing assembly 8 to move to the end part of the high section of the nuclear reaction column, so that the high section sleeve 614 of the upper end stabilizing assembly 8 is fixedly sleeved at the end part of the high section of the nuclear reaction column;
SB 4: the controller 9 controls the clamp assembly 7 to release clamping;
SB 5: the controller 9 controls the high-section detection assembly 6 to move continuously in the direction away from the mounting platform 1;
SB 6: the controller 9 acquires the current position of the high-section detection assembly 6 detected by the displacement detection ruler strip 10; if the high-stage detection assembly 6 moves to the high stage of the nuclear reaction column, the controller 9 controls the pair of chucks 616 of the L pair of high-stage detection assemblies 6 to fix the end of the high stage of the nuclear reaction column, and the process goes to step SB 7; otherwise, the controller 9 controls the high-stage detection assembly 6 to continue to move, and returns to step SB 6;
SB 7: the controller 9 controls and adjusts the high-section detection assembly 6 to move on the nuclear reaction column in a short distance, controls the high-section length meter 65 and the lower run-out length meter 34 to abut against the surface of the nuclear reaction column, and enters step SB8 after detection data are acquired;
SB 8: the controller 9 controls the rotation driving motor 611 of the high-stage detection assembly 6 to rotate for a preset arc length;
SB 9: the controller 9 judges whether data acquisition is finished, if so, the controller 9 controls the hoop component 7 to clamp the nuclear reaction column, the high-section detection component 6 continues to move towards the direction far away from the mounting platform 1 until the high-section detection component completely penetrates out of the nuclear reaction column, and the nuclear reaction column is subjected to vertical jumping judgment according to all data detected by the high-section detection component 6 and the low-section mounting detection component 3; otherwise, the process returns to step SB 7.
As can be seen from fig. 23, the steps for detecting the middle section of the nuclear reaction column specifically include:
SC 1: the controller 9 sets a middle section detection moving distance; in this embodiment, the middle stage detection moving distance is 10 mm.
SC 2: the controller 9 controls the middle section detection assembly 5 to move towards the direction far away from the installation platform 1 by a set middle section detection moving distance; SC 3: the controller 9 controls all the middle section detectors 53 to abut against the surface of the nuclear reaction column to acquire detection data of the current position;
SC 4: the controller 9 judges whether the current position of the middle section detection assembly 5 is the highest position of the middle section of the nuclear reaction column, if so, the step SC5 is carried out; otherwise, returning to the step SC 2;
SC 5: and the controller 9 calculates the straightness, the torsion and the bending of the middle section of the nuclear reaction column according to the acquired middle section detection data.
In this embodiment, the accuracy of the straightness, torsion and bending is in the order of millimeters.
And after the measurement is finished, the middle section detection assembly 5 and the high section detection assembly 6 are restored to the initial positions.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a frock is measured in installation of nuclear reaction post subassembly which characterized in that: the device comprises an installation platform (1) and an installation leaning column (2), wherein the platform installation end of the installation leaning column (2) is fixed on the installation surface of the installation platform (1), a low-section installation detection assembly (3) is further installed on the installation surface of the installation platform (1), a detection guide rail (4a), a rack (4b) and a displacement detection ruler strip (10) are vertically installed on the outer wall of the installation leaning column (2) facing to the side of the low-section installation detection assembly (3), a middle-section detection assembly (5) and a high-section detection assembly (6) are sequentially arranged on the detection guide rail (4a) in a sliding mode along the direction from the platform installation end of the installation leaning column (2) to the direction far away from the platform installation end, and the detection centers of the low-section installation detection assembly (3), the middle-section detection assembly (5) and the high-section detection assembly (6) are coaxial;
the installation leans on post (2) to have set gradually clamp subassembly (7) and upper end subassembly (8) that stabilizes to keeping away from platform installation end direction along the platform installation end of installation leaning on post (2).
2. The nuclear reaction column assembly mounting and measuring tool according to claim 1, characterized in that: the low-section installation detection assembly (3) is provided with a base (31), the base (31) is integrally in a flange bearing seat shape, one end of a flange plate of the base (31) is a fixed end, the end far away from the fixed end is an installation detection end, an installation sleeve (32) is sleeved in a bearing sleeve on the installation detection end side of the base (31), one end, far away from the base (31), of the installation sleeve (32) is an installation end, and an inner chamfer is arranged at the position, close to the installation end, of an inner sleeve of the installation sleeve (32) along the circumferential direction;
a detection hole (33) is formed in the wall of the bearing sleeve of the base (31) close to the fixed end, a lower run-out length meter (34) is installed in the detection hole (33), and the detection end of the lower run-out length meter (34) extends into the bearing sleeve of the base (31);
the lower run-out length meter (34) is arranged on the mounting piece (35), two sides of the mounting piece (35) are symmetrically provided with a sliding rail (36a), and the two sliding rails (36a) correspondingly slide on a guide rail (36 b); the guide rails (36b) are vertically arranged on two sides of the detection hole (33) in parallel;
the mounting piece (35) is provided with a guide hole (37), a guide rod (38) penetrates through the guide hole (37), the arrangement direction of the guide rod (38) is parallel to the guide rail (36b), and two ends of the guide rod (38) are fixed through a fixing piece (39) respectively.
3. The nuclear reaction column assembly mounting and measuring tool according to claim 2, characterized in that: the bearing sleeve of the base (31) is provided with a jump detection section (31a) and a mounting section (31b) which are sequentially connected; the detection hole (33) is formed in a jumping detection section (31a) of the bearing sleeve; the mounting sleeve (32) is sleeved on the mounting section (31b) of the bearing sleeve;
n detector stopping steps are uniformly arranged on the outer wall, close to the installation detection end, of the bearing sleeve of the base (31); the detector stopping step is axially arranged along the bearing sleeve, and the detector stopping step rises towards the installation detection end;
an installation bump (310) is arranged on the inner wall of the bearing sleeve of the base (31) close to the installation detection end; an outward flanging (32a) is arranged on the outer wall of the mounting sleeve (32) close to the mounting end; the lower edge of the flanging (32a) is arranged on the side, close to the installation detection end, of the installation lug (310) through a pushing bearing (311);
a bearing sleeve (12) is sleeved on the outer cylinder wall of the mounting sleeve (32), and the outer sleeve wall of the bearing sleeve (12) is abutted against the inner wall of the bearing sleeve of the mounting section (31 b);
the bearing sleeve (12) is arranged on the fixed end side of the mounting lug (310) close to the base (31).
4. The nuclear reaction column assembly mounting and measuring tool according to claim 1, 2 or 3, wherein: the middle section detection assembly (5) is provided with a middle section installation platform (51), a middle section installation through hole (52) is formed in the table top of the middle section installation platform (51), M groups of middle section detection meters (53) are circumferentially fixed along the middle section installation through hole (52), and the detection ends of all the middle section detection meters (53) face to the center of the middle section installation through hole (52) and stretch out and draw back in a reciprocating manner;
the middle-section mounting table (51) is further connected with a middle-section sliding mounting piece (54), a middle-section sliding rail (55) is arranged on the middle-section sliding mounting piece (54), the middle-section sliding rail (55) is slidably mounted on the detection guide rail (4a), and one end of the middle-section sliding rail (55) abuts against the displacement detection ruler strip (10);
the middle section installation table (51) is further provided with a middle section detection driving motor (56), the middle section detection driving motor (56) is connected with a middle section driving gear (58) through a first speed reducer (57), and gear teeth of the middle section driving gear (58) are meshed with rack teeth of the rack (4 b).
5. The nuclear reaction column assembly mounting and measuring tool according to claim 4, wherein: the high-section detection assembly (6) is provided with a rotary driving unit (61), the rotary driving unit (61) is used for fixing the nuclear reaction column and driving the nuclear reaction column to rotate, a high-section sliding installation piece (62) is connected to the rotary driving unit (61), a high-section sliding rail (63) is fixedly arranged on the high-section sliding installation piece (62), the high-section sliding rail (63) is slidably installed on the detection guide rail (4a), and one end of the high-section sliding rail (63) abuts against the displacement detection ruler strip (10);
a high-stage detection driving motor (67) is further mounted on the high-stage sliding mounting piece (62), the high-stage detection driving motor (67) is connected with a high-stage driving gear (69) after passing through a second speed reducer (68), and the gear teeth of the high-stage driving gear (69) are meshed with the rack teeth of the rack (4 b);
a detector mounting bracket (64) is arranged on the high-section sliding mounting piece (62), a high-section length meter (65) and a laser displacement sensor (66) are mounted on the detector mounting bracket (64), and the detection end of the high-section length meter (65) extends to the center of the rotary driving unit (61) and is used for detecting the high-section jumping of the nuclear reaction column; the laser displacement sensor (66) is used for detecting the alignment state of the nuclear reaction column.
6. The nuclear reaction column assembly mounting and measuring tool according to claim 5, wherein: the high-stage sliding installation piece (62) is provided with a rotating installation hole, the rotating driving unit (61) is sleeved in the rotating installation hole, the rotating driving unit (61) is provided with a rotating driving motor (611) fixed on the high-stage sliding installation piece (62), a driving gear (612) is connected to a driving output shaft of the rotating driving motor (611), an outer gear ring of the driving gear (612) is meshed with an outer gear ring of a driven wheel (613), a first through hole is formed in the center of the driven wheel (613), the driven wheel (613) and a high-stage sleeve (614) are arranged, and a sleeve of the high-stage sleeve (614) is coaxial with the first through hole of the driven wheel (613) and is equal in hole diameter;
the high-section sleeve (614) is far away from one end of the driven wheel (613) and is provided with L pairs of chuck grooves (615), each chuck groove (615) is internally and movably provided with a chuck (616), and the clamping end of each chuck (616) faces to the center of the cylinder shaft of the high-section sleeve (614).
7. The nuclear reaction column assembly mounting and measuring tool according to claim 1, characterized in that: the clamp component (7) is provided with two pushing cylinders (71) and a pushing guide rail (72) which are symmetrically arranged on the mounting leaning column (2), a pushing plate (73) is connected to the pushing end of the pushing cylinder (71), a pushing slide rail (74) is arranged on the pushing plate (73), and the pushing slide rail (74) is slidably mounted in the pushing guide rail (72);
the two pushing plates (73) connected with the pushing air cylinders (71) are oppositely arranged, the end parts of the opposite ends of the pushing plates (73) are provided with clamp grooves, and the notches of the two clamp grooves are oppositely arranged.
8. The nuclear reaction column assembly mounting and measuring tool according to claim 1, characterized in that: the upper end stabilizing assembly (8) is provided with a stabilizing cylinder (81) and a stabilizing guide rail (82) which are arranged on the mounting leaning column (2), the driving end of the stabilizing cylinder (81) is connected with a moving plate (83), a stabilizing slide rail (84) is further arranged on the moving plate (83), and the stabilizing slide rail (84) is slidably mounted on the stabilizing guide rail (82);
a stable sleeve (85) is arranged at the moving end part of the moving plate (83), and the opening of the stable sleeve (85) faces the mounting platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474275.7U CN209877932U (en) | 2019-04-09 | 2019-04-09 | Nuclear reaction column assembly installation and measurement tool |
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| CN201920474275.7U CN209877932U (en) | 2019-04-09 | 2019-04-09 | Nuclear reaction column assembly installation and measurement tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174087A (en) * | 2019-04-09 | 2019-08-27 | 重庆工业自动化仪表研究所 | Nuclear reaction column installation measurement assembly and measurement method |
| CN113091666A (en) * | 2021-03-16 | 2021-07-09 | 中国核电工程有限公司 | Clamping device and production system of nuclear fuel assembly |
| CN113357992A (en) * | 2021-06-09 | 2021-09-07 | 中国核电工程有限公司 | MOX subassembly circle measuring device that beats |
-
2019
- 2019-04-09 CN CN201920474275.7U patent/CN209877932U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174087A (en) * | 2019-04-09 | 2019-08-27 | 重庆工业自动化仪表研究所 | Nuclear reaction column installation measurement assembly and measurement method |
| CN113091666A (en) * | 2021-03-16 | 2021-07-09 | 中国核电工程有限公司 | Clamping device and production system of nuclear fuel assembly |
| CN113091666B (en) * | 2021-03-16 | 2023-02-28 | 中国核电工程有限公司 | Clamping device and production system of nuclear fuel assembly |
| CN113357992A (en) * | 2021-06-09 | 2021-09-07 | 中国核电工程有限公司 | MOX subassembly circle measuring device that beats |
| CN113357992B (en) * | 2021-06-09 | 2023-03-03 | 中国核电工程有限公司 | MOX subassembly circle measuring device that beats |
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Address after: 401123 area B, No.2, Yangliu Road, middle section of Huangshan Avenue, new Northern District, Chongqing Patentee after: Chongqing Industrial Automation Instrument Research Institute Co.,Ltd. Address before: 401123 area B, No.2, Yangliu Road, middle section of Huangshan Avenue, new Northern District, Chongqing Patentee before: Chongqing Inst. of Industrial Automation Instrumentation |