CN102494584A - Mounting and positioning tool for mounting frame of electric equipment - Google Patents
Mounting and positioning tool for mounting frame of electric equipment Download PDFInfo
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- CN102494584A CN102494584A CN2011104242646A CN201110424264A CN102494584A CN 102494584 A CN102494584 A CN 102494584A CN 2011104242646 A CN2011104242646 A CN 2011104242646A CN 201110424264 A CN201110424264 A CN 201110424264A CN 102494584 A CN102494584 A CN 102494584A
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Abstract
The invention relates to a mounting and positioning tool for a mounting frame of electric equipment. The mounting and positioning tool includes a vernier and a main scale, wherein a first slide component and a second slide component are arranged on the main scale; a T-shaped connecting piece sliding along the main scale is arranged on the main scale between the first and the second slide components; one lateral part of the T-shaped connecting piece is fixedly connected with one end part of the vernier; a third slide component is also arranged on the vernier; clamping devices used for clamping the mounting frame of the electric equipment are arranged on the first, the second and the third slide components; and locking devices used for locking and positioning the T-shaped connecting piece as well as the first, the second and the third slide components on the vernier or the main scale are arranged on the sides of the T-shaped connecting piece as well as the first, the second and the third slide components. The mounting and positioning tool provided by the invention has the characteristics of light weight, convenience for use and higher precision, can be used for precisely positioning and mounting the bracket of an electric control cabinet, does not need prearranged processing, and has better universality and operability.
Description
Technical field
The present invention relates to a kind of installing and locating instrument of electrical equipment mounting bracket, be applicable to the installation of marine electric installation mounting bracket.
Background technology
At present, in the shipbuilding field, two kinds of the installing and locating modes of electrical equipment mounting bracket commonly used, wherein a kind of is to locate with the equipment direct sample, another kind is with sheet metal (or electrician's plate) tube sample boring installing and locating again.All there is defective in this dual mode, the defective of first kind of mode: the one, and easy damage equipment surface, the 2nd, when equipment was big, sampling was very inconvenient; The defective of the second way: every kind of different size equipment all need be done machine work boring in advance; More loaded down with trivial details, when the unit type dimensions need be made polylith metal sampling plate more for a long time, and a type ship with after; Next type ship differs when producing and can use surely, causes waste.
Summary of the invention
The present invention provides a kind of installing and locating instrument of electrical equipment mounting bracket; This installing and locating instrument has characteristics in light weight, easy to use, that precision is higher; Can be to the accurate location and installation of the support of electric control box; And need not preset processing in advance, have good versatility and operability.
Technical program of the present invention lies in: a kind of installing and locating instrument of electrical equipment mounting bracket; Comprise vernier scale and main scale; It is characterized in that: said main scale is provided with first slide assemblies and second slide assemblies; Also being provided with on the main scale between said first and second slide assemblies can be along the T type web member of main scale slip; One sidepiece of said T type web member is connected with an end of vernier scale; Also be provided with the 3rd slide assemblies on the said vernier scale, be provided with the anchor clamps that are used for clamping and positioning electrical equipment mounting bracket on said first, second and third slide assemblies, the side of said T type web member and first, second and third slide assemblies is provided with and is used for the locking device of its locking positioning on vernier scale or main scale.
Above-mentioned vernier scale and main scale fovea superior are printed on the scale mark that the degree of depth is 0.15 ~ 0.25mm, and scribble pitch-dark.
Generally speaking; Need be arranged on first slide assemblies on the main scale be fixed on main scale original on; Therefore, in practical application, we can take following measure: first slide assemblies that will be positioned on the main scale changes the fixture that is fixedly installed on the main scale initial point into; Described fixture can be and integrated boss structure of main scale etc.; But be not limited to above-mentioned embodiment, certainly, this fixture can also be to be fixed on boss structure on the main scale initial point etc. through the releasable connection part.The downside of said fixture is provided with the anchor clamps that are used for clamping and positioning electrical equipment mounting bracket.
In a preferable embodiment: the xsect of said vernier scale and main scale is trench structure; Said trench structure comprises a central recess that is arranged on vernier scale and the main scale; Two sides of said central recess correspondence respectively are provided with a vertical guide groove; Said first, second and third slide assemblies comprises the slide block that is arranged in the central recess and is nested with the chi frame on vernier scale or main scale, and the both sides raised line of said slide block is slidingly matched with vertical guide groove respectively, and said chi frame and slide block are connected through hex bolts; Said locking device is arranged on two sides of chi frame, and said anchor clamps are to be arranged on being used on the slide block to locate the positioning boss of electrical equipment mounting bracket.
As preferred version; The material of said vernier scale and main scale is a tool steel; Said locking device is the annular knurl FLT.HD.; The concentric round platform that said positioning boss is successively decreased by a plurality of radiuses gradually is stacked and constitutes, and the middle part of said positioning boss is provided with the screw that is used to lock the electrical equipment mounting bracket.
In another preferable embodiment: the xsect of said vernier scale and main scale is X type structure; Said X type structure comprises the vertical guide groove that is arranged on vernier scale and main scale two beside; Said first, second and third slide assemblies comprises chi frame that is nested with on vernier scale or main scale and the web joint that is connected in chi frame downside; Said locking device is arranged on two sides of chi frame; Inside two sides of said chi frame are provided with the raised line that is slidingly matched with vertical guide groove; Said web joint is hinged with the seesaw that is positioned at its below through the back up pad that is arranged on middle side part under it; Between the web joint of hinged place one sidepiece and seesaw, be provided with and be used to regulate the stock annular knurl FLT.HD. of distance between the two, being positioned to be hinged with on the seesaw of the other side, hinged place to change top board, and said anchor clamps are to be arranged on to change the positioning boss that being used on the top board locate the electrical equipment mounting bracket.
As preferred version; The material of said vernier scale and main scale is a hard aluminium alloy; Said locking device is the annular knurl FLT.HD.; The concentric round platform that said positioning boss is successively decreased by a plurality of radiuses gradually is stacked and constitutes, and the middle part of said positioning boss is provided with the screw that is used to lock the electrical equipment mounting bracket.
Just can regulate the spacing between web joint and the seesaw in order to reach through rotation stock annular knurl FLT.HD.; So that the electrical equipment mounting bracket is secured in the purpose between web joint and the top board; The present invention provides following two kinds of schemes: 1, the threaded hole on the web joint is passed in the middle and upper part of said stock annular knurl FLT.HD.; Its bottom withstands on the upper surface of seesaw, and the hinged place of said back up pad and seesaw also is provided with reduction torsion spring; 2, the through hole on the web joint is passed in stock annular knurl FLT.HD. middle and upper part; Certainly the aperture of this through hole is bigger; Can guarantee when regulating, can not produce constraint or interfere; And the middle and upper part of said stock annular knurl FLT.HD. also is provided with stop nut, and said stop nut is positioned on the stock annular knurl FLT.HD. of web joint downside, and its bottom is connected with threaded hole on the seesaw.
In use, because most rectangular distributions of electrical equipment mounting bracket,, and be positioned at same plane so the centre of location point of three anchor clamps on main scale and the vernier scale is positioned on leg-of-mutton three summits, a right angle.
The invention has the advantages that: this installing and locating instrument has characteristics in light weight, easy to use, that precision is higher, can be to the accurate location and installation of the support of electric control box, and need not preset processing in advance, have good versatility and operability.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the unitized construction synoptic diagram of slide block and chi frame among the embodiment 1.
Fig. 3 is the electrical equipment mounting bracket mounting structure synoptic diagram among the embodiment 1.
Fig. 4 is the user mode synoptic diagram of embodiment 1.
Fig. 5 is the structural representation of embodiment 2.
Fig. 6 is a slide assemblies structural representation one among the embodiment 2.
Fig. 7 is a slide assemblies structural representation two among the embodiment 2.
Fig. 8 is the electrical equipment mounting bracket mounting structure synoptic diagram of embodiment 2.
Fig. 9 is the user mode synoptic diagram of embodiment 2.
Among the figure: 1-vernier scale, 2-main scale, 3-slide block, 4-chi frame, 5-annular knurl FLT.HD., 6-hexagon head bolt, 7-slide block, 8-retaining washer spare, 9-hexagon head bolt, 10-plain washer, 11-reading position, 12-positioning boss, 13-electrical equipment mounting bracket 14-vertical guide groove 15-central recess 16-raised line 17-T type web member.
21-vernier scale, 22-main scale, 23-slide assemblies 24-can change top board 25-annular knurl FLT.HD. 26-stock annular knurl FLT.HD. 27-seesaw 28-hexagon head bolt 29-positioning boss 30-web joint 31-raised line 32-chi frame 33-back up pad 34-T type web member 35-stop nut 36-electrical equipment mounting bracket.
Embodiment
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts two kinds of embodiment, and conjunction with figs., elaborates as follows.
With reference to accompanying drawing 1 ~ 3; The installing and locating instrument of a kind of electrical equipment mounting bracket of the present invention, this installing and locating instrument comprises vernier scale 1, main scale 2, slide block 3, chi frame 4, annular knurl FLT.HD. 5, hexagon head bolt 6, slide block 7, retaining washer spare 8, hexagon head bolt 9 and plain washer 10.Vernier scale 1 is trench structure with main scale 2 main part cross sections, the scale mark of the upper and lower faces symmetry gravure 0.2mm degree of depth of vernier scale 1 and main scale 2, and japanning.One termination of vernier scale 1 is provided with T type web member 17, and the cross section of this T type web member 17 also is a trench structure, and through this T type web member 17, vernier scale 1 can be at main scale 2 upper and lower translations, and it is fixed can come locking positioning through the annular knurl FLT.HD. 5 of the side of screwing.The termination of main scale 2 is a boss (fixture), and its effect prevents vernier scale 1 landing when zero-bit; The zero-bit place of main scale 1 is φ 17, and φ 14, and φ 12; φ 10; φ 8 different-diameter thickness are the positioning boss 12 that the concentric circles of 1mm is superimposed, and positioning boss 12 central authorities are the M6 screw, and slide block 3 also is same spline structure with the positioning boss of slide block 7; Above positioning boss effect is the different installation of a matching and fixing aperture electrical equipment mounting bracket 13, and three place's positioning boss all at grade.Slide block 3, slide block 7 and chi frame 4 are screwed through hexagon head bolt 6 and are formed the slide assemblies that can be respectively be free to slide at vernier scale 1 or main scale 2, and the locking positioning of slide assemblies can be realized through the annular knurl FLT.HD. 5 of the side of screwing.Electrical equipment mounting bracket 13 is through hexagon head bolt 9, and plain washer 10 is fixed on the positioning boss 12.Fixing when slide block 3, when vernier scale 1 moved to topmost, vernier scale 1 initial point overlapped with slide block 3 positioning boss centers; When vernier scale 1 moved to bottom, vernier scale 1 initial point overlapped with main scale 2 initial points, also was that the positioning boss on the vernier scale 1 overlaps with the positioning boss center of main scale 2 initial points.
Suppose that electric cabinet equipment has four electrical equipment mounting brackets 13 to need location and installation, location dimension is H * L, and with reference to accompanying drawing 4, then the use operation steps of embodiment 1 is following:
A. 3 electrical equipment mounting brackets, 13 usefulness hexagon head bolts 9, flat shim 10 are fixed on slide block and main scale 3,7,2 positioning boss; Then slide block 3,7 is moved to required scale position; With annular knurl FLT.HD. 5 be tightened slide block 3,7, vernier scale 1; Then electrical equipment mounting bracket 13 is positioned on the bulkhead of installation, successively spot welding A, B, C electrical equipment mounting bracket 13.
B. the annular knurl FLT.HD. 5 of vernier scale 7 unclamps, and the hexagon head bolt on the retaining washer spare 8 is unclamped, and makes positioning boss, vernier scale 1 break away from the C place electrical equipment mounting bracket 13 and translation vernier scale 1 the top are installed.
C. D place electrical equipment mounting bracket 13 usefulness hexagon head bolts 9 flat shims 10 are fixed on the positioning boss of slide block 7; Then slide block is moved to required scale position; With annular knurl FLT.HD. 5 be tightened slide block 7, vernier scale 1, spot welding D place electrical equipment mounting bracket 13 then.
D. unclamp annular knurl FLT.HD. 5, hexagon head bolt is unclamped, make main scale 1, vernier scale 2 break away from electrical equipment mounting bracket 13, then electrical equipment mounting bracket 13 is welded entirely.
With reference to accompanying drawing 5 ~ 8; The installing and locating instrument of a kind of electrical equipment mounting bracket of the present invention, this installing and locating instrument comprise vernier scale 21, main scale 22, slide assemblies 23, can change top board 24, annular knurl FLT.HD. 25, stock annular knurl FLT.HD. 26, seesaw 27 and hexagon head bolt 28.Vernier scale 21 is X type structure with main scale 22 main part cross sections; Be that the cross section is "
"; Their upper and lower faces symmetry gravure 0.2mm deep calibration, and japanning.One termination of vernier scale 21 is provided with T type web member, through this T type web member, can make vernier scale 21 at main scale 22 upper and lower translations, and it is fixed can be through the annular knurl FLT.HD. 25 of the side of screwing.Fixedly slide assemblies 23 of hexagon head bolt 28 is passed through in the termination of main scale 22, and this moment, its center of circle that can change the positioning boss 29 on the top board 24 was on zero-bit.Vernier scale 21 is tightened through annular knurl FLT.HD. 25 with the slide assemblies 23 of main scale 22.When the electrical equipment mounting bracket is installed, let seesaw 27 tilt, because leverage makes and can change top board 24 roof pressure electrical equipment mounting brackets and be fixedly mounted on the positioning boss 29 through the stock annular knurl FLT.HD. 26 of screwing.The round boss form is φ 17, and φ 14, and φ 12, and φ 10, and φ 8 different-diameter thickness are the positioning boss 29 that the concentric circles of 1mm is superimposed, and its effect is the different electrical equipment mounting brackets 36 that the aperture is installed of matching and fixing.
Just can regulate the spacing between web joint and the seesaw in order to reach through rotation stock annular knurl FLT.HD.; So that the electrical equipment mounting bracket is secured in the purpose between web joint and the top board; The present invention provides following two kinds of schemes: 1, shown in accompanying drawing 6; The threaded hole on the web joint 30 is passed in the middle and upper part of said stock annular knurl FLT.HD. 26, and its bottom withstands on the upper surface of seesaw 27, and the hinged place of said back up pad and seesaw also is provided with reduction torsion spring.2, shown in accompanying drawing 7; The through hole on the web joint 30 is passed in said stock annular knurl FLT.HD. 26 middle and upper parts; And its middle and upper part also is provided with stop nut 35, and said stop nut 35 is positioned on the stock annular knurl FLT.HD. 26 of web joint 30 downsides, and its bottom is connected with threaded hole on the seesaw 27.
The 10000 tons of refloating operation ships in Yantai are electric ships; Its electric propulsion system, central control desk warning system are import equipment; And equipment profile, weight are generally bigger than normal, adopt that equipment band fabricated section sampling mode was unfavorable to equipment protection on the one hand in the past, and operation is inconvenience also; Labour intensity is big, and field by using instrument of the present invention carries out fitting operation for this reason.
Data acquisition device PCU1 with this ship central control desk warning system is an example, and this case has four equipment mounting brackets to need location and installation, and location dimension is 800mm * 1000mm, specifically sees synoptic diagram 9:
A. let seesaw 27 tilt through the stock annular knurl FLT.HD. 26 of screwing 3 equipment supporters; Because leverage makes and can change top board 24 roof pressure equipment supporters and be fixedly mounted on the round boss; Then slide assemblies 23 is moved to required scale position; With annular knurl FLT.HD. 25 be tightened slide assemblies 23, vernier scale 21, then equipment supporter is positioned on the bulkhead of installation, successively spot welding A, B, C equipment supporter.
B. the annular knurl FLT.HD. 25 of vernier scale 21 unclamps; Stock annular knurl FLT.HD. 26 is unclamped, make slide assemblies 23 disengaging C place equipment supporters on the vernier scale 21, and translation vernier scale 21; Make its with main scale 22 on slide assemblies 3 zero-bits overlap, with annular knurl FLT.HD. 25 vernier scale 21. that is tightened
C. D place equipment supporter is fixed on the round boss of slide assemblies 23, then slide assemblies 23 is moved to required scale position, with annular knurl FLT.HD. 25 be tightened slide assemblies 23, spot welding D place equipment supporter then.
D. unclamp all stock annular knurl FLT.HD.s 26, annular knurl FLT.HD. 25, make main scale 21, vernier scale 22 separation instrumentation supports, then equipment supporter is welded entirely.
The embodiment of the invention 1 has nothing in common with each other with embodiment 2 relative advantages, and embodiment 1 precision is high, and is in light weight, but manufacturing cost is slightly high, and 2 of embodiment are opposite, and moderate accuracy, weight are heavy slightly, but cost is lower.
It should be noted last that; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. the installing and locating instrument of an electrical equipment mounting bracket; Comprise vernier scale and main scale; It is characterized in that: said main scale is provided with first slide assemblies and second slide assemblies; Also being provided with on the main scale between said first and second moving assembly can be along the T type web member of main scale slip; One sidepiece of said T type web member is connected with an end of vernier scale; Said vernier scale is provided with the 3rd slide assemblies, is provided with the anchor clamps that are used for clamping and positioning electrical equipment mounting bracket on said first, second and third slide assemblies, and the side of said T type web member and first, second and third slide assemblies is provided with and is used for the locking device of its locking positioning on vernier scale or main scale.
2. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 1 is characterized in that: said vernier scale and main scale fovea superior are printed on the scale mark that the degree of depth is 0.15 ~ 0.25mm.
3. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 1; It is characterized in that: first slide assemblies that is positioned on the main scale is the fixture that is fixedly installed on the main scale initial point, and the downside of said fixture is provided with the anchor clamps that are used for clamping and positioning electrical equipment mounting bracket.
4. according to the installing and locating instrument of claim 1,2 or 3 described a kind of electrical equipment mounting brackets; It is characterized in that: the xsect of said vernier scale and main scale is trench structure; Said trench structure comprises a central recess that is arranged on vernier scale and the main scale; Two sides of said central recess correspondence respectively are provided with a vertical guide groove; Said first, second and third slide assemblies comprises the slide block that is arranged in the central recess and is nested with the chi frame on vernier scale or main scale, and the both sides raised line of said slide block is slidingly matched with vertical guide groove respectively, and said chi frame and slide block are connected through hex bolts; Said locking device is arranged on two sides of chi frame, and said anchor clamps are to be arranged on being used on the slide block to locate the positioning boss of electrical equipment mounting bracket.
5. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 4; It is characterized in that: the material of said vernier scale and main scale is a tool steel; Said locking device is the annular knurl FLT.HD.; The concentric round platform that said positioning boss is successively decreased by a plurality of radiuses gradually is stacked and constitutes, and the middle part of said positioning boss is provided with the screw that is used to lock the electrical equipment mounting bracket.
6. according to the installing and locating instrument of claim 1,2 or 3 described a kind of electrical equipment mounting brackets; It is characterized in that: the xsect of said vernier scale and main scale is X type structure; Said X type structure comprises the vertical guide groove that is arranged on vernier scale and main scale two beside; Said first, second and third slide assemblies comprises chi frame that is nested with on vernier scale or main scale and the web joint that is connected in chi frame downside; Said locking device is arranged on two sides of chi frame; Inside two sides of said chi frame are provided with the raised line that is slidingly matched with vertical guide groove, and the back up pad of middle side part is hinged with the seesaw that is positioned at its below down through being arranged on it for said web joint, between the web joint of hinged place one sidepiece and seesaw, are provided with to be used to regulate the stock annular knurl FLT.HD. of distance between the two; Being positioned to be hinged with on the seesaw of the other side, hinged place to change top board, and said anchor clamps are to be arranged on to change the positioning boss that being used on the top board locate the electrical equipment mounting bracket.
7. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 6; It is characterized in that: the material of said vernier scale and main scale is a hard aluminium alloy; Said locking device is the annular knurl FLT.HD.; The concentric round platform that said positioning boss is successively decreased by a plurality of radiuses gradually is stacked and constitutes, and the middle part of said positioning boss is provided with the screw that is used to lock the electrical equipment mounting bracket.
8. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 6; It is characterized in that: the threaded hole on the web joint is passed in the middle and upper part of said stock annular knurl FLT.HD.; Its bottom withstands on the upper surface of seesaw, and the hinged place of said back up pad and seesaw also is provided with reduction torsion spring.
9. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 6; It is characterized in that: the through hole on the web joint is passed in said stock annular knurl FLT.HD. middle and upper part; And its middle and upper part also is provided with stop nut; Said stop nut is positioned on the stock annular knurl FLT.HD. of web joint downside, and its bottom is connected with threaded hole on the seesaw.
10. the installing and locating instrument of a kind of electrical equipment mounting bracket according to claim 1 is characterized in that: the centre of location point of said three anchor clamps is positioned on leg-of-mutton three summits, a right angle, and is positioned at same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110424264 CN102494584B (en) | 2011-12-16 | 2011-12-16 | Mounting and positioning tool for mounting frame of electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110424264 CN102494584B (en) | 2011-12-16 | 2011-12-16 | Mounting and positioning tool for mounting frame of electric equipment |
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| CN102494584A true CN102494584A (en) | 2012-06-13 |
| CN102494584B CN102494584B (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110424264 Active CN102494584B (en) | 2011-12-16 | 2011-12-16 | Mounting and positioning tool for mounting frame of electric equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105509613A (en) * | 2014-09-25 | 2016-04-20 | 鞍钢股份有限公司 | Method and device for measuring spacing of bearing box |
| CN107238335A (en) * | 2017-05-24 | 2017-10-10 | 安徽爱瑞特环保科技股份有限公司 | Main brush of road sweeper test equipment |
| JPWO2017158831A1 (en) * | 2016-03-18 | 2018-09-13 | 国立研究開発法人防災科学技術研究所 | Jig and microtremor measurement equipment for equipment installation |
| CN110006399A (en) * | 2019-04-30 | 2019-07-12 | 上海外高桥造船有限公司 | A kind of steering engine for ship installation horizontal checkout tool |
| CN110657728A (en) * | 2019-08-27 | 2020-01-07 | 红云红河烟草(集团)有限责任公司 | Dedicated width of cutting of TOBSPIN filament cutter detects positioning tool |
| CN112797933A (en) * | 2020-12-30 | 2021-05-14 | 中信渤海铝业控股有限公司 | Placing frame and method for detecting extrusion residual pressure flow rate line |
| CN116456652A (en) * | 2023-06-16 | 2023-07-18 | 四川天中星航空科技有限公司 | Electronic countermeasure in-situ detection equipment based on neural network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105509613A (en) * | 2014-09-25 | 2016-04-20 | 鞍钢股份有限公司 | Method and device for measuring spacing of bearing box |
| JPWO2017158831A1 (en) * | 2016-03-18 | 2018-09-13 | 国立研究開発法人防災科学技術研究所 | Jig and microtremor measurement equipment for equipment installation |
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| CN112797933A (en) * | 2020-12-30 | 2021-05-14 | 中信渤海铝业控股有限公司 | Placing frame and method for detecting extrusion residual pressure flow rate line |
| CN116456652A (en) * | 2023-06-16 | 2023-07-18 | 四川天中星航空科技有限公司 | Electronic countermeasure in-situ detection equipment based on neural network |
| CN116456652B (en) * | 2023-06-16 | 2023-08-29 | 四川天中星航空科技有限公司 | Electronic countermeasure in-situ detection equipment based on neural network |
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| CN102494584B (en) | 2013-09-18 |
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