CN112697431B - Integrated equipment for detecting neglected loading of inner assembly of tapered roller bearing - Google Patents
Integrated equipment for detecting neglected loading of inner assembly of tapered roller bearing Download PDFInfo
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- CN112697431B CN112697431B CN202110010818.1A CN202110010818A CN112697431B CN 112697431 B CN112697431 B CN 112697431B CN 202110010818 A CN202110010818 A CN 202110010818A CN 112697431 B CN112697431 B CN 112697431B
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a tapered roller bearing inner assembly neglected loading detection integrated device, relates to the technical field of detection devices, and solves the problems that the existing tapered roller bearing is poor in detection stability and poor in detection effect due to the fact that the detection error easily occurs in the detection process when the detection of the existing tapered roller bearing is carried out by detecting the roller neglected loading condition in a camera identification mode in production, and comprises a measurement lifting seat; the right end face of the measuring lifting seat is fixedly connected with a group of rotating driving parts; the four corners of the inner part of the measuring lifting seat are respectively and rotatably connected with a group of diameter adjusting screw rods; the inside sliding connection of measurement elevating seat has a set of angle adjustment subassembly. The invention can effectively and rapidly detect the neglected loading roller, has the advantages of limited detection error avoidance, good detection effect and high detection speed, and can also adjust the installation position of the measuring assembly so as to meet the detection of tapered roller bearings with different diameters and has good adaptability.
Description
Technical Field
The invention relates to the technical field of bearing detection devices, in particular to a device integrating detection of neglected loading of an inner assembly of a tapered roller bearing.
Background
The tapered roller bearing is a radial thrust rolling bearing in which the rolling elements are tapered rollers. There are both small and large cone angles. The small cone angle mainly bears the radial and axial combined load mainly based on radial load, and is often used in double, reversely installed, the inner race and the outer race can be respectively installed, and radial and axial play can be adjusted in the installation and use; the large cone angle is primarily subjected to combined axial and radial loads, primarily axial loads, and is generally not solely used to carry pure axial loads, but is also used to carry pure radial loads when configured in pairs (with like-name ends mounted opposite each other). During the processing of tapered roller bearings, roller missing often occurs.
For example, application number: the invention relates to an assembly process, in particular to an assembly process of a special-shaped maintenance-free single-row tapered roller bearing with an adhesive retainer ring. The method comprises the following steps: ferrule ultrasonic demagnetizing cleaning, full inspection of appearance, inner and outer ring grading, full inspection of inner diameter, retainer assembly, retainer resetting, full inspection of outer diameter, retainer adhesive, finished product cleaning, final assembly height measurement, laser typing, lubricating grease filling and finished product packaging inspection. The assembly process of the special-shaped maintenance-free single-row tapered roller bearing with the adhesive retainer ring has high structural compactness, further improves the product quality and further enhances the assembly stability.
Based on the above, the existing tapered roller bearing generally adopts a camera recognition mode to detect the roller neglected loading condition in production, the detection stability is poor, the detection error condition is easy to occur in the detection, and the detection effect is poor; therefore, the existing requirements are not met, and for this reason, an integrated device for detecting the missing assembly of the inner assembly of the tapered roller bearing is provided.
Disclosure of Invention
The invention aims to provide a tapered roller bearing inner assembly neglected loading detection integrated device, so as to solve the problems that the existing tapered roller bearing provided in the background art generally adopts a camera identification mode to detect the roller neglected loading condition in production, the detection stability is poor, the detection error condition is easy to occur in the detection, and the detection effect is poor.
In order to achieve the above purpose, the present invention provides the following technical solutions: the equipment for detecting the neglected loading of the inner assembly of the tapered roller bearing comprises a measuring lifting seat; the right end face of the measuring lifting seat is fixedly connected with a group of rotating driving parts; the inner center of the measuring lifting seat is rotatably connected with a group of detection center shafts; four pairs of measuring swing rods are connected with the lower circumference array arrangement hinge of the detection center shaft; the outer sides of each pair of the measuring swinging rods are connected with a group of measuring assemblies in a common hinge manner; the four corners of the inner part of the measuring lifting seat are respectively and rotatably connected with a group of diameter adjusting screw rods; the inside sliding connection of measurement elevating seat has a set of angle adjustment subassembly.
Preferably, the rotation driving piece further comprises a rotation driving rack, the left side of the rotation driving piece is fixedly connected with a group of rotation driving racks, the detection center shaft further comprises a rotation driven gear, the top of the detection center shaft is coaxially and fixedly connected with a group of rotation driven gears, and the rotation driving racks and the rotation driven gears are meshed to form a gear-rack transmission mechanism together.
Preferably, the diameter adjusting screw rod further comprises an adjusting operation handle, and the top of the right rear group of diameter adjusting screw rods is coaxially and fixedly connected with a group of adjusting operation handles.
Preferably, the diameter adjusting screw further comprises a same-motion driving sprocket, the top of the diameter adjusting screw is coaxially and fixedly connected with a group of same-motion driving sprockets, and the four groups of same-motion driving sprockets are in transmission connection through a transmission chain to form a transmission chain transmission mechanism.
Preferably, four groups of diameter adjusting screw rods are in threaded transmission connection with the angle adjusting assembly at the same time, and the diameter adjusting screw rods and the angle adjusting assembly form screw rod nut transmission pairs.
Preferably, the angle adjusting assembly further comprises a sliding seat and diameter adjusting connecting rods, the middle part of the angle adjusting assembly is rotationally connected with a group of sliding seats, a group of diameter adjusting connecting rods are arranged at the bottom circumference of the sliding seats in an array mode, the other ends of the diameter adjusting connecting rods are respectively connected with a group of measuring swinging rods above the sliding seats in a hinged mode, and a crank block transmission mechanism is formed among the sliding seats, the diameter adjusting connecting rods, the measuring swinging rods and the detection center shaft.
Preferably, each pair of measuring swinging rods is arranged in parallel, the measuring assembly is arranged vertically, and each pair of measuring swinging rods, the measuring assembly and the detecting center shaft jointly form an equal-arm double-rocker mechanism.
Preferably, the measuring assembly further comprises measuring probes, and a group of measuring probes are fixedly connected to the inner side of the lower part of the measuring assembly.
Compared with the prior art, the invention has the beneficial effects that:
when the invention is used, the rotary driving piece drives the rotary driving rack to slide back and forth, the rotary driving rack drives the detection center shaft to rotate reciprocally through the gear rack transmission mechanism formed by the engagement of the rotary driving rack and the rotary driven gear, the detection center shaft drives the measuring assembly to rotate reciprocally, when the measuring probe contacts with the roller of the tapered roller bearing, the measuring circuit is connected, the ammeter measures the current, and the installation condition of the roller is detected through the frequency and the waveform of the connection and disconnection of the four groups of measuring probes.
In the use of the invention, a group of diameter adjusting screws at the right rear part are operated by adjusting an operating handle, when the group of diameter adjusting screws at the right rear part rotate, the group of diameter adjusting screws at the right rear part drive the four groups of diameter adjusting screws to rotate simultaneously through a transmission chain transmission mechanism formed by four groups of common driving sprockets, the diameter adjusting screws drive the angle adjusting assembly to slide up and down through a screw nut transmission pair formed by the diameter adjusting screws and the angle adjusting assembly, a movable sliding seat of the angle adjusting assembly slides up and down, and the sliding seat drives a group of measuring swinging rods above through a crank slider transmission mechanism formed by the sliding seat, the diameter adjusting connecting rod, the measuring swinging rods and the detecting center shaft to swing up and down, and a group of measuring swinging rods above the measuring swinging rods drive the measuring assembly to swing through an equal arm double-rocker mechanism formed by the measuring swinging rods, the measuring assembly and the detecting center shaft, so that the installation position of the measuring assembly is adjusted, the purpose of changing the measuring diameter is realized, and meanwhile, the measuring assembly is ensured to be in a vertical state in the swinging process, so that the conical roller bearings with different diameters are detected.
According to the invention, the measuring probes are contacted with the rollers of the tapered roller bearing, the measuring circuit is connected, the ammeter measures the current, the installation condition of the rollers is detected through the frequency and the waveform of connection and disconnection of the four groups of measuring probes, the missed rollers can be effectively and rapidly detected, the detection error is prevented, the detection effect is good, the detection speed is high, and meanwhile, the installation position of the measuring assembly can be adjusted, so that the tapered roller bearing with different diameters can be detected, and the method has good adaptability.
Drawings
FIG. 1 is a schematic diagram of an axial structure of the present invention;
FIG. 2 is a schematic view of the internal shaft side structure of the present invention;
FIG. 3 is a schematic view of the drive shaft side structure of the angle adjustment assembly of the present invention;
FIG. 4 is a schematic diagram of a diameter adjustment screw drive shaft side structure of the present invention;
FIG. 5 is a schematic view of a side structure of a rotary drive shaft of a measuring assembly according to the present invention;
FIG. 6 is a schematic view of a side structure of a drive shaft of a bottom bracket bearing;
FIG. 7 is a schematic view of the mounting shaft side structure of the measuring assembly of the present invention;
FIG. 8 is a schematic view of a drive shaft side structure of a measurement assembly of the present invention;
FIG. 9 is a schematic diagram of the circuit principle structure of the present invention;
in the figure: 1. measuring a lifting seat; 2. a rotary driving member; 201. a rotary drive rack; 3. detecting a center shaft; 301. rotating the driven gear; 4. a diameter adjusting screw rod; 401. a co-acting drive sprocket; 402. adjusting an operation handle; 5. an angle adjustment assembly; 501. a sliding seat; 502. a diameter adjusting connecting rod; 6. measuring a swinging rod; 7. a measurement assembly; 701. and measuring the probe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 9, an embodiment of the present invention provides: the equipment for detecting the neglected loading of the inner assembly of the tapered roller bearing comprises a measuring lifting seat 1; the right end face of the measuring lifting seat 1 is fixedly connected with a group of rotation driving parts 2; the inner center of the measuring lifting seat 1 is rotatably connected with a group of detection center shafts 3; four pairs of measuring swinging rods 6 are connected with the lower circumference array arrangement hinge of the detection center shaft 3; the outer sides of each pair of measuring swinging rods 6 are connected with a group of measuring assemblies 7 in a common hinge manner; the four corners inside the measuring lifting seat 1 are respectively and rotatably connected with a group of diameter adjusting screw rods 4; a group of angle adjusting components 5 are connected inside the measuring lifting seat 1 in a sliding way.
Further, the rotation driving piece 2 further comprises a rotation driving rack 201, a group of rotation driving racks 201 are fixedly connected to the left side of the rotation driving piece 2, the detection center shaft 3 further comprises a rotation driven gear 301, a group of rotation driven gears 301 are coaxially and fixedly connected to the top of the detection center shaft 3, the rotation driving rack 201 and the rotation driven gears 301 are meshed to form a gear-rack transmission mechanism, in use, the rotation driving piece 2 drives the rotation driving rack 201 to slide back and forth, and the rotation driving rack 201 drives the detection center shaft 3 to rotate reciprocally through the gear-rack transmission mechanism formed by the rotation driving rack 201 and the rotation driven gears 301.
Further, the diameter adjusting screw 4 further comprises an adjusting operation handle 402, the top of the right rear group of diameter adjusting screws 4 is coaxially and fixedly connected with the group of adjusting operation handles 402, and in use, the group of diameter adjusting screws 4 at the right rear are operated through the adjusting operation handles 402.
Further, the diameter adjusting screw 4 further comprises a same-motion driving sprocket 401, the top of the diameter adjusting screw 4 is coaxially and fixedly connected with a group of same-motion driving sprockets 401, the four groups of same-motion driving sprockets 401 are in transmission connection through a driving chain to form a driving chain driving mechanism together, and when the diameter adjusting screw 4 at the right rear rotates, the diameter adjusting screw 4 at the right rear drives the four groups of diameter adjusting screws 4 to rotate simultaneously through the driving chain driving mechanism formed by the four groups of same-motion driving sprockets 401 together.
Further, four sets of diameter adjustment screw rods 4 are in threaded transmission connection with the angle adjustment assembly 5 at the same time, and the diameter adjustment screw rods 4 and the angle adjustment assembly 5 jointly form a screw nut transmission pair, in use, when the four sets of diameter adjustment screw rods 4 rotate at the same time, the diameter adjustment screw rods 4 drive the angle adjustment assembly 5 to slide up and down through the screw nut transmission pair formed by the diameter adjustment screw rods 4 and the angle adjustment assembly 5.
Further, angle adjusting part 5 still includes sliding seat 501, diameter adjustment connecting rod 502, angle adjusting part 5's middle part rotates and is connected with a set of sliding seat 501, the bottom circumference array of sliding seat 501 arranges hinged joint and has a set of diameter adjustment connecting rod 502, the other end of every set of diameter adjustment connecting rod 502 respectively with a set of measuring swinging rod 6 hinged joint of top, sliding seat 501, diameter adjustment connecting rod 502, measure and constitute slider-crank drive mechanism jointly between swinging rod 6, detect axis 3, in use, when angle adjusting part 5 slides from top to bottom, the movable sliding seat 501 that angle adjusting part 5 took slides from top to bottom, sliding seat 501 is through by sliding seat 501, diameter adjustment connecting rod 502, measure and swing a set of measuring swinging rod 6 of measuring axis 3 between constitutes slider-crank drive mechanism drive top jointly and swings from top.
Further, each pair of measurement swinging rods 6 are installed in parallel, the measurement assembly 7 is installed vertically, each pair of measurement swinging rods 6, the measurement assembly 7 and the detection center shaft 3 jointly form an equal-arm double-rocker mechanism, in use, when the upper group of measurement swinging rods 6 swing up and down, the upper group of measurement swinging rods 6 drive the measurement assembly 7 to swing through the equal-arm double-rocker mechanism formed by the measurement swinging rods 6, the measurement assembly 7 and the detection center shaft 3, the installation position of the measurement assembly 7 is adjusted, the purpose of changing the measurement diameter is achieved, and meanwhile, the measurement assembly 7 is ensured to be in a vertical state in the swinging process.
Further, the measuring assembly 7 further comprises measuring probes 701, a group of measuring probes 701 is fixedly connected to the inner side of the lower portion of the measuring assembly 7, in use, when the measuring probes 701 are in contact with the rollers of the tapered roller bearing, a measuring circuit is connected, and the installation condition of the rollers is detected through the frequency and the waveform of the connection and disconnection of the four groups of measuring probes 701.
Working principle: when the measuring probe is used, the rotary driving piece 2 drives the rotary driving rack 201 to slide forwards and backwards, the rotary driving rack 201 drives the detection center shaft 3 to rotate in a reciprocating manner through a gear-rack transmission mechanism formed by the engagement of the rotary driving rack 201 and the rotary driven gear 301, the detection center shaft 3 drives the measuring assembly 7 to rotate in a reciprocating manner, when the measuring probe 701 contacts with a roller of the tapered roller bearing, a measuring circuit is connected, an ammeter measures current, and the installation condition of the roller is detected through the frequency and the waveform of connection and disconnection of the four groups of measuring probes 701; meanwhile, in use, a group of diameter adjusting screw rods 4 at the right rear part are operated through the adjusting operation handle 402, when the group of diameter adjusting screw rods 4 at the right rear part rotate, the group of diameter adjusting screw rods 4 at the right rear part drive the four groups of diameter adjusting screw rods 4 to rotate simultaneously through a transmission chain transmission mechanism formed by four groups of common driving chain wheels 401, the diameter adjusting screw rods 4 drive the angle adjusting assembly 5 to slide up and down through a screw nut transmission pair formed by the diameter adjusting screw rods 4 and the angle adjusting assembly 5, a movable sliding seat 501 carried by the angle adjusting assembly 5 slides up and down, the sliding seat 501 drives a group of measuring swinging rods 6 at the upper part to swing up and down through a crank sliding block transmission mechanism formed by the sliding seat 501, the diameter adjusting connecting rod 502, the measuring swinging rods 6 and the detecting center shaft 3, the group of measuring swinging rods 6 at the upper part drive the measuring assembly 7 through an equal arm double-rocker mechanism formed by the measuring swinging rods 6, the measuring assembly 7 and the detecting center shaft 3, the purpose of changing the measuring diameter is realized, and simultaneously the measuring assembly 7 is ensured to be in a vertical state in the swinging process so as to meet the requirement of detecting different large and small tapered bearings.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The application method of the integrated equipment for detecting the neglected loading of the inner assembly of the tapered roller bearing is characterized by comprising the following steps of: comprises a measuring lifting seat (1); the right end face of the measuring lifting seat (1) is fixedly connected with a group of rotating driving parts (2); the inner center of the measuring lifting seat (1) is rotatably connected with a group of detection center shafts (3); four pairs of measuring swinging rods (6) are connected with the lower circumference array arrangement hinge of the detection center shaft (3); the outer sides of each pair of the measuring swinging rods (6) are connected with a group of measuring assemblies (7) in a common hinge manner; the four corners of the inner part of the measuring lifting seat (1) are respectively and rotatably connected with a group of diameter adjusting screw rods (4); the inside of the measuring lifting seat (1) is connected with a group of angle adjusting assemblies (5) in a sliding manner;
the rotary driving piece (2) further comprises a rotary driving rack (201), the left side of the rotary driving piece (2) is fixedly connected with a group of rotary driving racks (201), the detection center shaft (3) further comprises a rotary driven gear (301), the top of the detection center shaft (3) is coaxially and fixedly connected with a group of rotary driven gears (301), and the rotary driving racks (201) and the rotary driven gears (301) are meshed to form a gear-rack transmission mechanism;
the diameter adjusting screw rod (4) further comprises an adjusting operation handle (402), and the top of the right rear group of diameter adjusting screw rods (4) is coaxially and fixedly connected with the group of adjusting operation handles (402);
the diameter adjusting screw rod (4) further comprises a same-motion driving chain wheel (401), the top of the diameter adjusting screw rod (4) is coaxially and fixedly connected with a group of same-motion driving chain wheels (401), and the four groups of same-motion driving chain wheels (401) are connected together through a driving chain in a driving way to form a driving chain driving mechanism;
the four groups of diameter adjusting screw rods (4) are in threaded transmission connection with the angle adjusting assembly (5), and the diameter adjusting screw rods (4) and the angle adjusting assembly (5) form a screw nut transmission pair;
the angle adjusting assembly (5) further comprises a sliding seat (501) and diameter adjusting connecting rods (502), the middle part of the angle adjusting assembly (5) is rotationally connected with a group of sliding seats (501), a group of diameter adjusting connecting rods (502) are arranged at the bottom circumference of the sliding seats (501) in an array mode, the other end of each group of diameter adjusting connecting rods (502) is respectively hinged with a group of measuring swinging rods (6) above, and a crank block transmission mechanism is formed among the sliding seats (501), the diameter adjusting connecting rods (502), the measuring swinging rods (6) and the detection center shaft (3);
the measuring swinging rods (6) of each pair are arranged in parallel, the measuring assembly (7) is arranged vertically, and an equal-arm double-rocker mechanism is formed among the measuring swinging rods (6), the measuring assembly (7) and the detecting center shaft (3) of each pair;
the measuring assembly (7) further comprises measuring probes (701), and a group of measuring probes (701) are fixedly connected to the inner side of the lower part of the measuring assembly (7);
when the measuring probe is used, the rotary driving piece 2 drives the rotary driving rack 201 to slide forwards and backwards, the rotary driving rack 201 drives the detection center shaft 3 to rotate in a reciprocating manner through a gear-rack transmission mechanism formed by the engagement of the rotary driving rack 201 and the rotary driven gear 301, the detection center shaft 3 drives the measuring assembly 7 to rotate in a reciprocating manner, when the measuring probe 701 contacts with a roller of the tapered roller bearing, a measuring circuit is connected, an ammeter measures current, and the installation condition of the roller is detected through the frequency and the waveform of connection and disconnection of the four groups of measuring probes 701; meanwhile, in use, a group of diameter adjusting screw rods 4 at the right rear part are operated through the adjusting operation handle 402, when the group of diameter adjusting screw rods 4 at the right rear part rotate, the group of diameter adjusting screw rods 4 at the right rear part drive the four groups of diameter adjusting screw rods 4 to rotate simultaneously through a transmission chain transmission mechanism formed by four groups of common driving chain wheels 401, the diameter adjusting screw rods 4 drive the angle adjusting assembly 5 to slide up and down through a screw nut transmission pair formed by the diameter adjusting screw rods 4 and the angle adjusting assembly 5, a movable sliding seat 501 carried by the angle adjusting assembly 5 slides up and down, the sliding seat 501 drives a group of measuring swinging rods 6 at the upper part to swing up and down through a crank sliding block transmission mechanism formed by the sliding seat 501, the diameter adjusting connecting rod 502, the measuring swinging rods 6 and the detecting center shaft 3, the group of measuring swinging rods 6 at the upper part drive the measuring assembly 7 through an equal arm double-rocker mechanism formed by the measuring swinging rods 6, the measuring assembly 7 and the detecting center shaft 3, the purpose of changing the measuring diameter is realized, and simultaneously the measuring assembly 7 is ensured to be in a vertical state in the swinging process so as to meet the requirement of detecting different large and small tapered bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010818.1A CN112697431B (en) | 2021-01-06 | 2021-01-06 | Integrated equipment for detecting neglected loading of inner assembly of tapered roller bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010818.1A CN112697431B (en) | 2021-01-06 | 2021-01-06 | Integrated equipment for detecting neglected loading of inner assembly of tapered roller bearing |
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| CN112697431A CN112697431A (en) | 2021-04-23 |
| CN112697431B true CN112697431B (en) | 2023-07-07 |
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| CN202110010818.1A Active CN112697431B (en) | 2021-01-06 | 2021-01-06 | Integrated equipment for detecting neglected loading of inner assembly of tapered roller bearing |
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| CN116989639B (en) * | 2023-09-28 | 2023-12-26 | 聊城泰通精工机械科技有限公司 | Conical bearing rolling body diameter measurement jig |
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| CN211926813U (en) * | 2020-05-06 | 2020-11-13 | 浙江邦尼建筑检测有限公司 | Reinforced concrete buried pipeline anticorrosive coating detection device based on human-computer interaction |
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| CN101907730B (en) * | 2010-06-28 | 2012-11-07 | 重庆大学 | Electromagnetic induction type metal part neglected loading detection device and detection method |
| CN202204679U (en) * | 2011-08-31 | 2012-04-25 | 上海通用轴承有限公司 | Leakage proof detection device of roller bearing |
| CN207232411U (en) * | 2017-09-19 | 2018-04-13 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of steel ball sealing circle synchronization testing agency |
| CN109723729B (en) * | 2019-01-09 | 2020-04-24 | 杭州雷迪克节能科技股份有限公司 | Assembly process of special-shaped maintenance-free single-row tapered roller bearing with adhesive retainer ring |
| CN209784503U (en) * | 2019-02-18 | 2019-12-13 | 浙江德宏汽车电子电器股份有限公司 | Generator rotor magnetic steel neglected loading detection device |
| CN210263182U (en) * | 2019-07-17 | 2020-04-07 | 浙江南正项目管理咨询有限公司 | Engineering is managed with stake hole sediment thickness detection device |
| CN111609972A (en) * | 2020-06-02 | 2020-09-01 | 朱书贤 | Pipe connection air tightness detection device |
| CN112014899A (en) * | 2020-08-24 | 2020-12-01 | 重庆卓通汽车工业有限公司 | Vehicle frame beam nut neglected loading detection mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211926813U (en) * | 2020-05-06 | 2020-11-13 | 浙江邦尼建筑检测有限公司 | Reinforced concrete buried pipeline anticorrosive coating detection device based on human-computer interaction |
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Effective date of registration: 20230616 Address after: 056000 Bearing Creative Industry Park, Guantao County, Handan City, Hebei Province Applicant after: Hebei Xingchuang Bearing Technology Co.,Ltd. Address before: Shanghai Jiaotong University, 1954 Huashan Road, Xuhui District, Shanghai Applicant before: Shen Zefan |
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