CN109519678B - Displacement tool device of wireless multi-parameter tester of mining elevator - Google Patents
Displacement tool device of wireless multi-parameter tester of mining elevator Download PDFInfo
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- CN109519678B CN109519678B CN201811425623.8A CN201811425623A CN109519678B CN 109519678 B CN109519678 B CN 109519678B CN 201811425623 A CN201811425623 A CN 201811425623A CN 109519678 B CN109519678 B CN 109519678B
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- displacement
- displacement tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a displacement tool device of a wireless multi-parameter tester of a mining elevator, which comprises: the displacement tool comprises an adsorption base, a displacement tool foot plate, a displacement tool support plate, a displacement tool folded plate, a support rod frame and a displacement sensor, wherein the adsorption base is composed of 2 cylindrical strong magnets and 1 strip-shaped strong magnet, one side with the largest strip-shaped strong magnet area is adsorbed and movably connected to the outer surface of the bottom of the displacement tool support plate, the 2 cylindrical strong magnets and the 1 strip-shaped strong magnet are positioned on the same straight line, the diameter of the 2 cylindrical strong magnets is smaller than the width of the displacement tool foot plate, circular through holes are further formed in the 2 cylindrical strong magnets, the width of the strip-shaped strong magnets is smaller than the width of the bottom of the displacement tool support plate, and the bottom with the largest strip-shaped strong magnet area is further provided with 2 circular through holes; compared with the displacement tool on the market at present, the displacement tool has the advantages of small volume, firmness in fixation, and simplicity and quickness in installation.
Description
Technical Field
The invention relates to a displacement tool device of a wireless multi-parameter tester of a mining elevator, belonging to the technical field of mining elevators.
Background
The elevator displacement tool equipment used in the market at present mainly comprises a dial indicator displacement sensor and an eddy current type displacement sensor. The two displacement tools are installed and fixed by the magnetic gauge stand, but the magnetic gauge stand has the defects of small magnetic force, insecure fixation and large volume. Meanwhile, the field fixing space is small, so that the operation is difficult, and great inconvenience is brought to the detection work; the displacement tool and the magnetic gauge stand are easy to fall off in the running process of the elevator due to infirm fixation, and the machine and the tester are easy to hurt and risk.
Therefore, when the magnetic gauge stand is used as a fixed support, due to the defects of small magnetic force and large volume, the operation is difficult during installation, and meanwhile, the situation that the installation is not firm is easily caused.
Disclosure of Invention
The invention aims to provide a displacement tool device of a wireless multi-parameter tester of a mining elevator, which is assembled by utilizing a strong magnet, a support rod frame, an annular hoop, a butterfly screw bolt and other components, forms a device with small volume, firm fixation and simple and quick installation, and overcomes the defects of the traditional method for fixing a displacement sensor by utilizing a magnetic gauge stand.
In order to achieve the purpose, the invention provides the following technical scheme: mining wireless multi-parameter tester displacement tool equipment of lifting machine, it includes:
the displacement tool comprises an adsorption base, a displacement tool foot plate, a displacement tool support plate, a displacement tool folded plate, a support rod frame and a displacement sensor;
the adsorption base is composed of 2 cylindrical strong magnets and 1 strip-shaped strong magnet, wherein one end of each of the 2 cylindrical strong magnets is movably connected to the outer side surface of a foot plate of the displacement tool in an adsorption mode, one side with the largest strip-shaped strong magnet area is movably connected to the outer side surface of the bottom of a support plate of the displacement tool in an adsorption mode, the 2 cylindrical strong magnets and the 1 strip-shaped strong magnet are located on the same straight line, and the strip-shaped strong magnet is located between the 2 cylindrical strong magnets;
the thickness of the 2 cylindrical strong magnets is the same as that of the 1 bar-shaped strong magnet, the diameter of the 2 cylindrical strong magnets is smaller than the width of the displacement tool foot plate, circular through holes are further formed in the 2 cylindrical strong magnets, the width of the bar-shaped strong magnet is smaller than the width of the bottom of the displacement tool support plate, and the bottom of the bar-shaped strong magnet with the largest area is further provided with 2 circular through holes;
the front side of the displacement tool foot plate is provided with 3 threaded holes, wherein 2 threaded holes with the diameter of 3mm and 1 threaded hole with the diameter of 5mm are formed in the 3 threaded holes, 2 threaded holes with the diameter of 3mm are symmetrically distributed on the left side of the front side of the displacement tool foot plate, and 1 threaded hole with the diameter of 5mm is positioned on the right side of the front side of the displacement tool foot plate;
the displacement tool support plate is in an inverted T shape, 6 threaded holes are formed in the bottom of the displacement tool support plate, 4 threaded holes with the diameter of 3mm and 2 threaded holes with the diameter of 5mm are formed in the 6 threaded holes, 2 threaded holes with the diameter of 3mm are formed in the edge portion of the left side of the bottom of the displacement tool support plate, 1 threaded hole with the diameter of 5mm is formed in the middle of the left side of the bottom of the displacement tool support plate, the rest 3 threaded holes correspond to the 3 threaded holes in the left side of the displacement tool support plate and are symmetrically distributed along the vertical central line, and cylindrical through holes with semicircular two ends are further formed in the upper portion of the displacement tool support plate;
the displacement tool folded plate is L-shaped, an installation hole is formed above the shorter folded plate part of the displacement tool folded plate, and a cylindrical through hole with two semicircular ends is formed in the middle of the longer folded plate part of the displacement tool folded plate;
one end of the support rod frame is detachably connected with the shorter folded plate part of the displacement tool folded plate, and the other end of the support rod frame is detachably connected with an annular hoop;
the displacement sensor is detachably connected inside the annular hoop.
The displacement frock footboard can be dismantled through miniature hinge and be connected between displacement frock extension board, the screw hole that the diameter is 3mm is all seted up to miniature hinge both sides hinge piece, miniature hinge is provided with 2, 2 miniature hinge passes through butterfly bolt and butterfly nut with the straight flange of displacement frock footboard on one side and can dismantle the connection, and the another side passes through butterfly bolt and butterfly nut with the bottom both sides of displacement frock extension board and can dismantle the connection.
The widths of the displacement tool foot plate, the displacement tool support plate and the displacement tool folded plate are the same, and the thicknesses of the displacement tool foot plate, the displacement tool support plate and the displacement tool folded plate are 2 mm.
The displacement frock extension board and displacement frock folded plate can dismantle swing joint through fixed part, fixed part constitute by butterfly bolt, butterfly nut and annular gasket, wherein annular gasket is provided with 2, is located the outside contact surface of displacement frock extension board and displacement frock folded plate respectively.
The annular clamp is provided with 2, and is the semicircle ring-type, and the semicircle ring both ends all prolong there is the straight plate, and wherein the straight plate middle part all sets up threaded hole, can dismantle through butterfly bolt and butterfly nut and displacement sensor between 2 annular clamps and be connected.
Compared with the existing displacement tool, the invention has the following advantages:
1. this frock adsorbs base adopts three point fixation, and one of them bar strong magnet and two cylindrical strong magnets to it is articulated to be equipped with miniature hinge, makes it can be nimble inseparable laminating at the working face, compares with handheld test, and its test effect is more accurate, stable and objective.
2. The tool is convenient to mount and dismount and beneficial to field test.
3. This frock adopts butterfly bolt butterfly nut to connect, conveniently adjusts the use.
Drawings
FIG. 1 is a schematic view of the entire structure of the present invention;
FIG. 2 is a schematic diagram of the overall front view structure of the present invention;
FIG. 3 is a schematic diagram of the overall side view configuration of the present invention;
FIG. 4 is a schematic diagram of the general top view of the present invention;
FIG. 5 is an enlarged structural view of a displacement tooling foot plate of the present invention;
FIG. 6 is an enlarged structural view of a displacement tool support plate according to the present invention;
FIG. 7 is a side view of an enlarged structure of the displacement tooling folded plate of the present invention;
FIG. 8 is an enlarged top view of the tooling plate of the present invention;
fig. 9 is a partially enlarged structural schematic view of the displacement tooling folded plate of the present invention.
In the figure: 1. cylindrical strong magnet, 2, bar strong magnet, 3, miniature hinge, 4, displacement frock sole, 5, displacement frock extension board, 6, displacement frock folded plate, 7, displacement sensor, 8, annular clamp, 9, butterfly bolt, 10, strut frame, 11, butterfly nut, 12, adsorb base, 13, fixed part, 14, annular gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, the invention provides a displacement tool device of a wireless multi-parameter tester of a mining hoist, which is adsorbed on a brake shoe base, and comprises:
the device comprises an adsorption base 12, a displacement tooling foot plate 4, a displacement tooling support plate 5, a displacement tooling folded plate 6, a support rod frame 10 and a displacement sensor 7;
as shown in fig. 2: the adsorption base 12 is composed of 2 cylindrical strong magnets 1 and 1 strip-shaped strong magnet 2, wherein one end of each of the 2 cylindrical strong magnets 1 is movably connected to the outer side surface of the foot plate 4 of the displacement tool in an adsorption mode, one side, with the largest area, of each strip-shaped strong magnet 2 is movably connected to the outer side surface of the bottom of the support plate 5 of the displacement tool in an adsorption mode, the 2 cylindrical strong magnets 1 and the 1 strip-shaped strong magnet 2 are located on the same straight line, and the strip-shaped strong magnets 2 are located among the 2 cylindrical strong magnets 1;
wherein, adopt three point fixation, its test effect is more accurate, stable and objective, utilizes strong magnet as unable adjustment base, reduces the fixed volume of installation.
As shown in fig. 1: the thickness of the 2 cylindrical strong magnets 1 is the same as that of the 1 strip-shaped strong magnet 2, the diameter of the 2 cylindrical strong magnets 1 is smaller than the width of the displacement tool foot plate 4, circular through holes are further formed in the 2 cylindrical strong magnets 1, the width of the strip-shaped strong magnet 2 is smaller than the width of the bottom of the displacement tool support plate 5, and the bottom of the strip-shaped strong magnet 2 with the largest area is further provided with 2 circular through holes;
the magnetic meter seat is not required to be fixed, the strong magnet is used as a fixing base, the installation and fixation volume is reduced, meanwhile, the annular hoop 8, the butterfly bolt 9 and the butterfly nut 11 are used for installation and fixation, the installation firmness degree is guaranteed, and the accurate measurement value can be further provided and errors are avoided when the magnetic meter seat is installed by adopting an installation mode with the same width and thickness.
As shown in fig. 5: the front surface of the displacement tool foot plate 4 is provided with 3 threaded holes, wherein 2 threaded holes with the diameter of 3mm and 1 threaded hole with the diameter of 5mm are formed in the 3 threaded holes, 2 threaded holes with the diameter of 3mm are symmetrically distributed on the left side of the front surface of the displacement tool foot plate 4, and 1 threaded hole with the diameter of 5mm is positioned on the right side of the front surface of the displacement tool foot plate 4;
wherein, the screw is seted up, can be convenient for the dismantlement of displacement frock sole 4 and displacement frock extension board 5 is connected, and the debugging is comparatively convenient.
As shown in fig. 6: the displacement tool support plate 5 is in an inverted T shape, 6 threaded holes are formed in the bottom of the displacement tool support plate 5, 4 threaded holes are formed in the 6 threaded holes, the diameter of each threaded hole is 3mm, the diameter of each threaded hole is 2mm, 2 threaded holes with the diameter of 3mm are formed in the edge portion of the left side of the bottom of the displacement tool support plate 5, 1 threaded hole with the diameter of 5mm is formed in the middle of the left side of the bottom of the displacement tool support plate 5, the rest 3 threaded holes and the left side 3 threaded holes of the displacement tool support plate 5 are symmetrically distributed in a vertical central line mode correspondingly, and cylindrical through holes with semicircular two ends are further formed in the upper portion of the displacement tool support;
as shown in fig. 6, 7 and 9: the displacement tool folded plate 6 is L-shaped, an installation hole is formed above the shorter folded plate part of the displacement tool folded plate 6, and a cylindrical through hole with two semicircular ends is formed in the middle of the longer folded plate part of the displacement tool folded plate 6;
the upper part of the displacement tool support plate 5 is also provided with cylindrical through holes with semicircular two ends, and the cylindrical through holes with semicircular two ends are arranged in the middle of the longer folded plate part of the displacement tool folded plate 6, so that the measurement height can be conveniently adjusted.
As shown in fig. 1: one end of the strut frame 10 is detachably connected with the shorter folded plate part of the displacement tooling folded plate 6, and the other end of the strut frame is detachably connected with an annular hoop 8;
the displacement sensor 7 is detachably connected inside the annular hoop 8.
As shown in fig. 2: the displacement frock sole 4 can be dismantled through miniature hinge 3 and be connected between the displacement frock extension board 5, the screw hole that the diameter is 3mm is all seted up to miniature hinge 3 both sides hinge leaf, miniature hinge 3 is provided with 2, 2 miniature hinge 3 passes through butterfly bolt 9 and butterfly nut 11 with the straight flange of displacement frock sole 4 on one side and can dismantle the connection, and the another side passes through butterfly bolt 9 and butterfly nut 11 with the bottom both sides of displacement frock extension board 5 and can dismantle the connection.
Wherein, miniature hinge 3 is provided with 2, all can fold, and dismantle and install more conveniently.
As shown in fig. 3: the width of the displacement tool foot plate 4, the width of the displacement tool support plate 5 and the width of the displacement tool folded plate 6 are the same, and the thickness of the displacement tool foot plate is 2 mm.
The displacement tool foot plate 4, the displacement tool support plate 5 and the displacement tool folded plate 6 are made of magnetism-absorbable materials and can be adsorbed together with the magnet.
As shown in fig. 2: the displacement tooling support plate 5 and the displacement tooling folded plate 6 are detachably and movably connected through a fixing part 13, the fixing part 13 consists of butterfly bolts 9, butterfly nuts 11 and annular gaskets 14, and the number of the annular gaskets 14 is 2, and the annular gaskets are respectively positioned on the outer side contact surfaces of the displacement tooling support plate 5 and the displacement tooling folded plate 6.
The fixing part 13 is composed of a butterfly bolt 9, a butterfly nut 11 and an annular gasket 14, the fixing part 13 can be manually disassembled, the displacement tooling support plate 5 and the displacement tooling folded plate 6 can be adjusted according to different working position conditions, and the measurement precision can be prevented from being influenced by rotation of the tooling folded plate 6 in working due to the adoption of a two-point fixing mode.
Wherein, can dismantle with displacement sensor 7 through butterfly bolt 9 and butterfly nut 11 and be connected between 2 annular clamps 8, can guarantee displacement sensor 7's installation fastness, improve the security of using.
Compared with the existing displacement tool, the invention has the following advantages:
1. this frock adsorbs base adopts three point fixation, one of them bar strong magnet 2 and two cylindrical strong magnets 1 to it is articulated to be equipped with miniature hinge 3, makes it can be nimble inseparable laminating at the working face, compares with handheld test, and its test effect is more accurate, stable and objective.
2. The tool is convenient to mount and dismount and beneficial to field test.
3. This frock adopts butterfly bolt 9 and butterfly nut 11 to connect, conveniently adjusts the use.
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 attributes 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.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a wireless multi-parameter tester displacement tool equipment of mining lifting machine which characterized in that, it includes:
the device comprises an adsorption base (12), a displacement tooling foot plate (4), a displacement tooling support plate (5), a displacement tooling folded plate (6), a support rod frame (10) and a displacement sensor (7);
the adsorption base (12) is composed of 2 cylindrical strong magnets (1) and 1 strip-shaped strong magnet (2), wherein one end of each cylindrical strong magnet (1) is connected to the outer side surface of a displacement tool foot plate (4) in an adsorption mode, one side, with the largest area, of each strip-shaped strong magnet (2) is connected to the outer side surface of the bottom of a displacement tool support plate (5) in an adsorption mode, the 2 cylindrical strong magnets (1) and the 1 strip-shaped strong magnet (2) are located on the same straight line, and the strip-shaped strong magnets (2) are located among the 2 cylindrical strong magnets (1);
the thickness of the 2 cylindrical strong magnets (1) is the same as that of the 1 strip-shaped strong magnet (2), the diameter of the 2 cylindrical strong magnets (1) is smaller than the width of the displacement tool foot plate (4), circular through holes are further formed in the 2 cylindrical strong magnets (1), the width of the strip-shaped strong magnet (2) is smaller than the width of the bottom of the displacement tool support plate (5), and the bottom of the strip-shaped strong magnet (2) with the largest area is further provided with 2 circular through holes;
the front surface of the displacement tool foot plate (4) is provided with 3 threaded holes, wherein 2 threaded holes with the diameter of 3mm and 1 threaded hole with the diameter of 5mm are arranged in the 3 threaded holes, the 2 threaded holes with the diameter of 3mm are symmetrically distributed on the left side of the front surface of the displacement tool foot plate (4), and 1 threaded hole with the diameter of 5mm is positioned on the right side of the front surface of the displacement tool foot plate (4);
the displacement tool support plate (5) is inverted T-shaped, 6 threaded holes are formed in the bottom of the displacement tool support plate (5), 4 threaded holes are formed in the 6 threaded holes, the diameter of each threaded hole is 3mm, the diameter of each threaded hole is 2mm, 2 threaded holes with the diameter of 3mm are formed in the edge portion of the left side of the bottom of the displacement tool support plate (5), 1 threaded hole with the diameter of 5mm is formed in the middle of the left side of the bottom of the displacement tool support plate (5), the rest 3 threaded holes and the 3 threaded holes in the left side of the displacement tool support plate (5) are symmetrically distributed in a vertical central line mode correspondingly, and cylindrical through holes with semicircular two ends are further formed in the upper portion of the displacement tool support plate (5);
the displacement tool folded plate (6) is L-shaped, an installation hole is formed above the shorter folded plate part of the displacement tool folded plate (6), and a cylindrical through hole with two semicircular ends is formed in the middle of the longer folded plate part of the displacement tool folded plate (6);
one end of the support rod frame (10) is detachably connected with the shorter folded plate part of the displacement tooling folded plate (6), and the other end of the support rod frame is detachably connected with an annular hoop (8);
the displacement sensor (7) is detachably connected to the inside of the annular hoop (8);
the miniature hinge assembly is characterized in that the displacement tooling foot plate (4) is detachably connected with the displacement tooling support plate (5) through the miniature hinge (3), threaded holes with the diameter of 3mm are formed in hinge pieces on two sides of the miniature hinge (3), the miniature hinge (3) is provided with 2 hinges, one side of each miniature hinge (3) is detachably connected with a straight edge of the displacement tooling foot plate (4) through a butterfly bolt (9) and a butterfly nut (11), and the other side of each miniature hinge is detachably connected with two sides of the bottom of the displacement tooling support plate (5) through the butterfly bolt (9) and the butterfly nut (11).
2. The mining hoist wireless multiparameter tester displacement tooling device according to claim 1, wherein the displacement tooling foot plate (4), the displacement tooling support plate (5) and the displacement tooling folded plate (6) are all the same in width and 2mm in thickness.
3. The mining hoist wireless multi-parameter tester displacement tooling device according to claim 1 or 2, characterized in that the displacement tooling support plate (5) and the displacement tooling folded plate (6) are detachably and movably connected through a fixing part (13), the fixing part (13) is composed of a butterfly bolt (9), a butterfly nut (11) and an annular gasket (14), wherein the number of the annular gasket (14) is 2, and the annular gasket is respectively positioned on the outer side contact surfaces of the displacement tooling support plate (5) and the displacement tooling folded plate (6).
4. The displacement tool device of the wireless multi-parameter tester for the mine hoister as per claim 1 or 2, wherein 2 annular hoops (8) are arranged and are in the shape of a semicircular ring, straight plates are extended from two ends of the semicircular ring, threaded holes are formed in the middle of the straight plates, and the 2 annular hoops (8) are detachably connected with the displacement sensor (7) through butterfly bolts (9) and butterfly nuts (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425623.8A CN109519678B (en) | 2018-11-27 | 2018-11-27 | Displacement tool device of wireless multi-parameter tester of mining elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425623.8A CN109519678B (en) | 2018-11-27 | 2018-11-27 | Displacement tool device of wireless multi-parameter tester of mining elevator |
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| CN109519678A CN109519678A (en) | 2019-03-26 |
| CN109519678B true CN109519678B (en) | 2020-06-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005027025B4 (en) * | 2005-06-11 | 2015-04-30 | Dr. Johannes Heidenhain Gmbh | Mount for a scale |
| CN201091973Y (en) * | 2007-11-13 | 2008-07-30 | 纬泰机械(上海)有限公司 | Retaining support for welding workpieces |
| CN202371387U (en) * | 2011-12-05 | 2012-08-08 | 广州市帝能电子有限公司 | Folding supporting arm with magnetic pull-in self-locking mechanism |
| CN202402913U (en) * | 2011-12-22 | 2012-08-29 | 中国飞机强度研究所 | Fixing device for mounting small equipment |
| CN203919465U (en) * | 2013-12-19 | 2014-11-05 | 青岛海力威新材料科技股份有限公司 | A kind of magnetic attraction type blowing frock |
| CN204883142U (en) * | 2015-07-22 | 2015-12-16 | 北京爱耳目科技有限公司 | A support and IR -CUT camera for installing IR -CUT camera |
| CN205424818U (en) * | 2016-04-05 | 2016-08-03 | 汪须忠 | LED book lamp |
| CN206929522U (en) * | 2017-04-27 | 2018-01-26 | 李双运 | A kind of vehicle-mounted camera fixed support |
| CN206988774U (en) * | 2017-06-30 | 2018-02-09 | 深圳云天励飞技术有限公司 | Supervising device |
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Denomination of invention: A displacement tooling device for wireless multi parameter tester of mine hoist Effective date of registration: 20210910 Granted publication date: 20200626 Pledgee: Bank of Nanjing Co.,Ltd. Xuzhou Branch Pledgor: XUZHOU KUANGYI AUTOMATION TECHNOLOGY Co.,Ltd. Registration number: Y2021980009152 |