CN208458663U - A kind of municipal works manhole cover, water grate residual deformation detection device - Google Patents
A kind of municipal works manhole cover, water grate residual deformation detection device Download PDFInfo
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- CN208458663U CN208458663U CN201821109806.4U CN201821109806U CN208458663U CN 208458663 U CN208458663 U CN 208458663U CN 201821109806 U CN201821109806 U CN 201821109806U CN 208458663 U CN208458663 U CN 208458663U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 5
- 230000004807 localization Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
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- 230000007547 defect Effects 0.000 description 1
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- 238000009440 infrastructure construction Methods 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
本实用新型公开了一种市政工程检查井盖、水箅残留变形检测装置，包括刚性横杆、跨距标尺、水平仪、数显测量机构、以两支点支撑横杆的两点支撑定位机构和以一支点支撑横杆的单点支撑定位机构，跨距标尺沿横杆的长度方向通长设于其上表面上，两点支撑定位机构和单点支撑定位机构分别可滑动安装在所述横杆上，数显测量机构固定在横杆的中部，数显测量机构具有可上下移动且用于接触样品以定位样品几何中心的顶针。本实用新型跨距调整方便，可适用于不同规格尺寸的井盖、水箅残留变形检测；横杆刚性强，在横杆上设有水平仪，方便调节为水平状态；数显测量系统具有可上下移动的顶针，样品几何中心定位准确，检测结果精确。
The utility model discloses a detection device for the residual deformation of a municipal engineering inspection manhole cover and a water grate, which comprises a rigid crossbar, a span ruler, a spirit level, a digital display measuring mechanism, a two-point support and positioning mechanism for supporting the crossbar with two fulcrums, and a The single-point support and positioning mechanism of the fulcrum supports the cross-bar, the span ruler is arranged on the upper surface of the cross-bar along the length direction, and the two-point support and positioning mechanism and the single-point support and positioning mechanism are respectively slidably installed on the cross-bar , the digital display measuring mechanism is fixed in the middle of the cross bar, and the digital display measuring mechanism has a thimble that can move up and down and is used to contact the sample to locate the geometric center of the sample. The utility model is easy to adjust the span, and can be applied to the residual deformation detection of manhole covers and water grates of different sizes; the cross bar has strong rigidity, and a spirit level is arranged on the cross bar, which is convenient to adjust to a horizontal state; the digital display measuring system has the function of moving up and down. The thimble, the geometric center of the sample is positioned accurately, and the detection result is accurate.
Description
Technical field
The utility model relates to a kind of detection device more particularly to a kind of municipal works manhole covers, water grate residual deformation
Detection device.
Background technique
With the fast development of Chinese economy, infrastructure construction in china welcomes a new period again.Well lid, water grate are in city
Market demand in city's planning and road construction is huge, but manhole cover, water grate are rolled so that there is hair in when breakage
It is raw, cause road and installation security to decline.
Urban operating mechanism manhole cover, water grate, bearing capacity are important indicators, which includes finder charge, residual
Deformation, wherein residual deformation characterization resists the ability that external loads lead to deformation, to engineer application important in inhibiting.
Well lid, water grate detect in used test method, only have simple test procedure to chat about residual deformation detection
It states, has no special instrument, due to the particularity of sample, residual deformation parameter should not directly be surveyed with vernier caliper, straight steel ruler etc.
Amount, and it is also available for purchase without suitable instrument on the market.
Residual deformation detection for well lid, water grate, be utilized in sample two sides respectively places one to existing test method more
Cushion block puts a straight steel ruler on cushion block, then, detects residual deformation data with vernier caliper.But this test method exists
Following defect: sample and straight steel ruler not can guarantee level, and by straight steel ruler deflection, sample geometric center is positioned not
Standard, human error is big, influences the accuracy of test result, and test efficiency is low.
Utility model content
That the purpose of this utility model is to provide a kind of structures is simple, manufacturing cost is low, test result is accurate, test efficiency
High, easy to operate, to be applicable to different size sampling test municipal works manhole cover, water grate residual deformation detection device.
The purpose of this utility model is realized by the following technical solutions: a kind of municipal works manhole cover, water grate are residual
Stay device for detecting deformation, it is characterised in that: it include rigid bar, span scale, in the middle part of the cross bar level meter of upper surface,
For showing the digital display measuring mechanism of sample geometric center initial value and end value, being determined with the two o'clock support of two fulcrum support cross bars
Position mechanism and with the single-point support positioning mechanism of a fulcrum support cross bar, the span scale elongated are set along the length direction of cross bar
Thereon on surface, the two o'clock supporting and positioning mechanism and single-point support positioning mechanism can be slidably mounted at the cross bar respectively
On, the digital display measuring mechanism is fixed on the middle part of cross bar, and the digital display measuring mechanism has and can move up and down and for contacting
Sample is with the thimble of localizing sample geometric center.
The utility model is slidably matched using two o'clock supporting and positioning mechanism and single-point support positioning mechanism with cross bar, span tune
Perfect square just, can adjust the span of arbitrary size, maximum outreach is up to 1200mm, and therefore, the utility model can in a certain range
It is detected suitable for the well lid of different specification size, water grate residual deformation；The rigidity of cross bar is strong, and level meter, side are equipped on cross bar
Just it is adjusted to horizontality, it is simple to operate, and also digital display measuring system has thimble moving up and down, in sample geometry
Heart accurate positioning；The utility model is swift to operate, and through calculating, test efficiency can be improved 1 times or more；The utility model structure letter
List, manufacturing cost are low, and durability is good, and by measurement verification qualification, test result is accurate, stablizes durable；The utility model is suitable
It is wide with range, meet more this standard, test site can be saved, facilitate instrument management.
As a kind of embodiment of the utility model, the two o'clock supporting and positioning mechanism mainly by upper clamp plate, lower clamp plate,
A pair of of positioning screw, levelling bolt stablize screw and fixed block composition, the upper clamp plate and lower clamp plate is longitudinally disposed and lower folder
Plate is located at the underface of upper clamp plate, and the fixed block is arranged on the upper surface of lower clamp plate, the upper surface of the fixed block and upper
The lower surface of clamping plate has slide construction to realize that the two o'clock supporting and positioning mechanism is slidably mounted on cross between cross bar respectively
On bar, which is extend into lower clamp plate, by screwed in place screw by two o'clock branch
Support positioning mechanism is located on cross bar, the levelling bolt and is stablized screw and is each passed through the both ends of lower clamp plate and be supported on sample
On, i.e., levelling bolt and stablize the lower prong of screw as two fulcrums, passing through turn levelling bolt and observing level meter makes cross
Bar is in horizontality.
As a kind of embodiment of the utility model, the single-point support positioning mechanism is mainly by positioning screw, upper folder
Plate, fixed block, lower clamp plate and stablize screw composition, the upper clamp plate and lower clamp plate is longitudinally disposed and lower clamp plate is located at upper clamp plate
Underface, the lower surface of the upper surface of the fixed block and upper clamp plate has slide construction to realize between cross bar respectively
It states single-point support positioning mechanism to be slidably mounted on cross bar, which extend into lower folder
In plate, single-point support positioning mechanism is located on cross bar by screwed in place screw, the upper end of the stable screw is fixed on
On lower clamp plate, lower end is then used to support on sample, i.e., the lower prong of stable screw is as a fulcrum.
As a kind of embodiment of the utility model, the digital display measuring mechanism is mainly by digital display screen, vertically arranged
Ruler handle, mosaic block, stop screw and the thimble composition, the bottom surface of the mosaic block is fixed on the upper surface of the cross bar
And after there is the mosaic block groove for being embedded in the digital display screen, the ruler handle to pass through the shell, mosaic block and cross bar of digital display screen
It extends downwardly, and ruler handle can move up and down, is connected with thimble in the extension end of ruler handle, the stop screw is horizontally through digital display screen
Shell, tightening stop screw contacts it with position limiting ruler handle on ruler handle, or unscrew stop screw disengage it from ruler handle with
Cancel the limit to ruler handle.
As a kind of embodiment of the utility model, the digital display measuring mechanism further includes the adapter of blocks, institute
It states ruler handle and is connected with thimble by the adapter.
Slide construction packet as a kind of embodiment of the utility model, between the upper surface and cross bar of the fixed block
Include the groove being transversely arranged on the upper surface of the fixed block or raised line and be arranged on the lower surface of the cross bar with
Compatible raised line or groove；Slide construction between the upper clamp plate and cross bar includes on the lower surface of the upper clamp plate
The groove or raised line that are transversely arranged and the raised line compatible therewith or groove that are arranged on the upper surface of the cross bar.
Compared with prior art, the utility model has following significant effect:
(1) the utility model is slidably matched using two o'clock supporting and positioning mechanism and single-point support positioning mechanism with cross bar, span
It is easy to adjust, it can adjust the span of arbitrary size in a certain range, maximum outreach is up to 1200mm, therefore, is applicable to not
The well lid of same specification size, the detection of water grate residual deformation.
(2) the cross bar of the utility model is rigidly strong, and level meter is equipped on cross bar, is conveniently adjusted to horizontality, operation letter
Folk prescription is just.
(3) the digital display measuring system of the utility model has thimble moving up and down, sample geometric center accurate positioning.
(4) the utility model is swift to operate, and through calculating, test efficiency can be improved 1 times or more.
(5) the utility model structure is simple, at low cost, and durability is good, and by measurement verification qualification, test result is accurate,
Stablize durable.
(6) the utility model is applied widely, meets more this standard, saves test site, facilitates instrument management.
Detailed description of the invention
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is that the overall structure diagram of the utility model (is not drawn into two o'clock supporting and positioning mechanism and single-point support positioning
The fixed block of mechanism)；
Fig. 2 is the structural schematic diagram of the two o'clock supporting and positioning mechanism of the utility model；
Fig. 3 is the structural schematic diagram of the single-point support positioning mechanism of the utility model.
Specific embodiment
It as shown in Figures 1 to 3, is a kind of municipal works manhole cover of the utility model, water grate residual deformation detection device, packet
Include rigid bar 1, span scale 2, set on the level meter 9 of 1 upper surface center side of cross bar, at the beginning of for showing sample geometric center
The digital display measuring mechanism of initial value and end value, with the two o'clock supporting and positioning mechanism of two fulcrum support cross bars and with a fulcrum support cross
The single-point support positioning mechanism of bar, span scale 2 along cross bar 1 length direction it is elongated be provided thereon on surface, two o'clock support is fixed
Position mechanism and single-point support positioning mechanism are can be slidably mounted at respectively on cross bar 1, and digital display measuring mechanism is fixed on the center of cross bar 1
Position, digital display measuring mechanism have the thimble 14 that can be moved up and down and for contacting sample with localizing sample geometric center.
In the present embodiment, two o'clock supporting and positioning mechanism is mainly by upper clamp plate 5, lower clamp plate 7, a pair of of positioning screw 4, leveling
Screw 3 is stablized screw 8 and fixed block 6 and is formed, upper clamp plate 5 and lower clamp plate 7 is longitudinally disposed and lower clamp plate 7 is located at upper clamp plate 5
Underface, fixed block 6 are arranged on the upper surface of lower clamp plate 7, the lower surface of the upper surface of fixed block 6 and upper clamp plate 5 respectively with
Have slide construction to realize that two o'clock supporting and positioning mechanism is slidably mounted on cross bar 1 between cross bar 1, specifically, fixed block 6
Slide construction between upper surface and cross bar 1 include the groove being transversely arranged on the upper surface of fixed block 6 or raised line and
The raised line compatible therewith or groove being arranged on the lower surface of cross bar 1；Slide construction between upper clamp plate 5 and cross bar 1 includes
The groove or raised line that are transversely arranged on the lower surface of upper clamp plate 5 and what is be arranged on the upper surface of cross bar 1 be adapted therewith
Raised line or groove.The both ends for being each passed through upper clamp plate 5 to positioning screw 4 are extend into lower clamp plate 7, pass through screwed in place spiral shell
Two o'clock supporting and positioning mechanism 4 is located on cross bar 1 by nail, levelling bolt 3 and stablizes the both ends that screw 8 is each passed through lower clamp plate 7
It is supported on sample, i.e. levelling bolt 3 and the lower prong for stablizing screw 8 by turn levelling bolt 3 and is seen as two fulcrums
Examining level meter 9 makes cross bar 1 be in horizontality, horizontal in level meter middle position characterization whole device with bubble.
Single-point support positioning mechanism mainly by positioning screw 4a, upper clamp plate 5a, fixed block 6a, lower clamp plate 7a and stablizes screw
8a composition, upper clamp plate 5a and lower clamp plate 7a is longitudinally disposed and lower clamp plate 7a is located at the underface of upper clamp plate 5a, fixed block 6a's
Upper surface and the lower surface of upper clamp plate 5a have slide construction between cross bar 1 respectively to realize that single-point support positioning mechanism slides
It is mounted on cross bar 1, specifically, the slide construction between the upper surface of fixed block 6a and cross bar 1 includes in the upper of fixed block 6a
The groove or raised line that are transversely arranged on surface and the raised line compatible therewith or groove that are arranged on the lower surface of cross bar 1；
Slide construction between upper clamp plate 5a and cross bar 1 include the groove being transversely arranged on the lower surface of upper clamp plate 5a or raised line and
The raised line compatible therewith or groove being arranged on the upper surface of cross bar 1.This is each passed through upper clamp plate 5a to positioning screw 4a
Both ends extend into lower clamp plate 7a, single-point support positioning mechanism is located on cross bar 1 by screwed in place screw 4a, stablize
The upper end of screw 8a is fixed on the centre of lower clamp plate 7a, and lower end is then used to support on sample, i.e., the lower point of stable screw 8a
End is used as a fulcrum.
Digital display measuring mechanism mainly by digital display screen 11, vertically arranged ruler handle 12, mosaic block 13, stop screw 10, be block
The adapter 15 and thimble 14 of shape body form, and have scale on ruler handle 12, the bottom surface of mosaic block 13 is fixed on the upper surface of cross bar 1
After there is upper and mosaic block 13 groove of insertion digital display screen 11, ruler handle 12 to pass through the shell, mosaic block 13 and cross bar 1 of digital display screen 11
It extends downwardly, and ruler handle 12 can move up and down, the extension end of ruler handle 12 connects thimble 14 by adapter 15, and stop screw 10 is horizontal
To the shell for passing through digital display screen 11, tightening stop screw 10 contacts it with position limiting ruler handle 12 on ruler handle 12, or unscrews limit
Position screw 10 disengages it from ruler handle 12 to cancel the limit to ruler handle 12.Digital display screen and ruler handle are the one of existing electronic digital indicator
Part, digital display screen can show the position of sample geometric center according to the mobile distance of ruler handle.
The course of work of the utility model is as follows:
1), the geometric center of mark test sample determines the length of span according to the specification of sample；Adjust two o'clock branch
Support positioning mechanism, single-point support positioning mechanism are moved at the span calculated on cross bar, and screwed in place screw is adjusted
Span answers two sides symmetrical.
2) principle of a plane, is determined using 3 points, is made by adjusting the levelling bolt in two o'clock supporting and positioning mechanism
Cross bar is horizontal, is subject to and observes bubble in level meter in middle position.
3), the digital display screen of digital display measuring mechanism is reset, and is unclamped the stop screw of digital display measuring mechanism, is pressed lightly on ruler handle,
Move down thimble, until thimble and sample are in close contact, digital display screen indicating value is the initial value X of sample geometric center1。
4) stop screw, is tightened, in three points that two o'clock supporting and positioning mechanism, single-point support positioning mechanism are contacted with sample
It makes marks, then removes this detection device.
5) it, carries out load carrying capacity test: being further applied load by standard schedule speed, until reaching 2/3 detection load, then unload
It carries, this process is repeated 5 times.
6), this detection device is placed at three points marked, that unclamps digital display measuring mechanism tightens screw, gently
By nose bar handle, move down thimble, until thimble and sample are in close contact, digital display screen indicating value is the end value of sample geometric center
X2。
7) X, is calculated2-X1, the as residual deformation value of test specimen.
It is as follows that the utility model meets standard:
GB/T 23858-2009 manhole cover, CJ/T 121-2000 recycled plastics manhole cover,
CJ/T 327-2010 spheroidal graphite cast-iron compound resin manhole cover, CJ/T 328-2010 spheroidal graphite cast-iron compound resin water
Grate, CJ/T 130-2001 recycled plastics water grate.
The embodiments of the present invention is without being limited thereto, above content according to the present utility model, according to the general of this field
Logical technological know-how and customary means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the number of the utility model
Aobvious measuring mechanism, two o'clock supporting and positioning mechanism and single-point support positioning mechanism etc. also have other embodiments.Therefore, this reality
With the novel modification that can also make other diversified forms, replacement or change, all fall within the utility model rights protection scope it
It is interior.
Claims (6)
1. a kind of municipal works manhole cover, water grate residual deformation detection device, it is characterised in that: it include rigid bar, across
Away from scale, the level meter on upper surface in the middle part of cross bar, the digital display for showing sample geometric center initial value and end value
Measuring mechanism, with the two o'clock supporting and positioning mechanism of two fulcrum support cross bars and with the single-point support localization machine of a fulcrum support cross bar
Structure, the span scale along cross bar length direction it is elongated be provided thereon on surface, the two o'clock supporting and positioning mechanism and single-point
Supporting and positioning mechanism is can be slidably mounted at respectively on the cross bar, and the digital display measuring mechanism is fixed on the middle part of cross bar, described
Digital display measuring mechanism has and can move up and down and for contacting sample with the thimble of localizing sample geometric center.
2. municipal works manhole cover according to claim 1, water grate residual deformation detection device, it is characterised in that: institute
Two o'clock supporting and positioning mechanism is stated mainly by upper clamp plate, lower clamp plate, a pair of of positioning screw, levelling bolt, stable screw and fixed block
Composition, the upper clamp plate and lower clamp plate is longitudinally disposed and lower clamp plate is located at the underface of upper clamp plate, the fixed block, which is arranged, to exist
On the upper surface of lower clamp plate, the upper surface of the fixed block and the lower surface of upper clamp plate have slide construction between cross bar respectively
To realize that the two o'clock supporting and positioning mechanism is slidably mounted on cross bar, which stretches
Enter into lower clamp plate, two o'clock supporting and positioning mechanism is located on cross bar by screwed in place screw, the levelling bolt and steady
Determine screw and be each passed through the both ends of lower clamp plate to be supported on sample, i.e., levelling bolt and stablizes the lower prong of screw as two branch
Point, passes through turn levelling bolt and observing level meter makes cross bar be in horizontality.
3. municipal works manhole cover according to claim 2, water grate residual deformation detection device, it is characterised in that: institute
It states single-point support positioning mechanism to be mainly made of positioning screw, upper clamp plate, fixed block, lower clamp plate and stable screw, the upper folder
Plate and lower clamp plate is longitudinally disposed and lower clamp plate is located at the underface of upper clamp plate, under the upper surface and upper clamp plate of the fixed block
Surface has slide construction to realize that the single-point support positioning mechanism is slidably mounted on cross bar between cross bar respectively, this is right
The both ends that positioning screw is each passed through upper clamp plate are extend into lower clamp plate, by screwed in place screw by single-point support positioning mechanism
It is located on cross bar, the upper end of the stable screw is fixed on lower clamp plate, and lower end is then used to support on sample, i.e., stable
The lower prong of screw is as a fulcrum.
4. municipal works manhole cover according to claim 3, water grate residual deformation detection device, it is characterised in that: institute
It states digital display measuring mechanism to be mainly made of digital display screen, vertically arranged ruler handle, mosaic block, stop screw and the thimble, institute
The bottom surface for stating mosaic block is fixed on the upper surface of the cross bar and the mosaic block has the groove for being embedded in the digital display screen, institute
It states ruler handle to extend downwardly after the shell, mosaic block and cross bar of digital display screen, and ruler handle can move up and down, in the extension end of ruler handle
It is connected with thimble, the stop screw is horizontally through the shell of digital display screen, and tightening stop screw contacts it on ruler handle with limit
Position ruler handle, or unscrew stop screw and disengage it from ruler handle to cancel the limit to ruler handle.
5. municipal works manhole cover according to claim 4, water grate residual deformation detection device, it is characterised in that: institute
The adapter that digital display measuring mechanism further includes blocks is stated, the ruler handle is connected with thimble by the adapter.
6. the municipal works manhole cover according to claim 3 or 5, water grate residual deformation detection device, it is characterised in that:
Slide construction between the upper surface and cross bar of fixed block includes the groove being transversely arranged on the upper surface of the fixed block
Or raised line and the raised line compatible therewith or groove that are arranged on the lower surface of the cross bar；Between the upper clamp plate and cross bar
Slide construction include the groove being transversely arranged on the lower surface of the upper clamp plate or raised line and the upper table in the cross bar
The raised line compatible therewith or groove being arranged on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109806.4U CN208458663U (en) | 2018-07-12 | 2018-07-12 | A kind of municipal works manhole cover, water grate residual deformation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109806.4U CN208458663U (en) | 2018-07-12 | 2018-07-12 | A kind of municipal works manhole cover, water grate residual deformation detection device |
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| CN208458663U true CN208458663U (en) | 2019-02-01 |
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| CN201821109806.4U Active CN208458663U (en) | 2018-07-12 | 2018-07-12 | A kind of municipal works manhole cover, water grate residual deformation detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685203A (en) * | 2019-09-19 | 2020-01-14 | 杭州南岳建设工程有限公司 | Method for ensuring compactness of periphery of gully of inspection well |
| CN113639614A (en) * | 2021-08-30 | 2021-11-12 | 江苏海基新能源股份有限公司 | Device and method for testing unilateral expansion thickness of square aluminum-shell battery |
| CN113686258A (en) * | 2021-08-25 | 2021-11-23 | 中国铁路设计集团有限公司 | Sensor initial value control device and control method of single-point displacement monitoring system |
| CN115266401A (en) * | 2022-09-27 | 2022-11-01 | 广东电网有限责任公司广州供电局 | A deformation detection device in a fuse link test |
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2018
- 2018-07-12 CN CN201821109806.4U patent/CN208458663U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685203A (en) * | 2019-09-19 | 2020-01-14 | 杭州南岳建设工程有限公司 | Method for ensuring compactness of periphery of gully of inspection well |
| CN113686258A (en) * | 2021-08-25 | 2021-11-23 | 中国铁路设计集团有限公司 | Sensor initial value control device and control method of single-point displacement monitoring system |
| CN113686258B (en) * | 2021-08-25 | 2023-07-25 | 中国铁路设计集团有限公司 | Sensor initial value control device and control method for single point displacement monitoring system |
| CN113639614A (en) * | 2021-08-30 | 2021-11-12 | 江苏海基新能源股份有限公司 | Device and method for testing unilateral expansion thickness of square aluminum-shell battery |
| CN113639614B (en) * | 2021-08-30 | 2025-01-28 | 江苏海基新能源股份有限公司 | A device and method for testing the single-side expansion thickness of a square aluminum shell battery |
| CN115266401A (en) * | 2022-09-27 | 2022-11-01 | 广东电网有限责任公司广州供电局 | A deformation detection device in a fuse link test |
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Effective date of registration: 20200116 Address after: 510500 First Floor, Wind Tunnel Building, No. 121 Xianlie East Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangdong construction engineering quality safety inspection station Co., Ltd. Address before: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Co-patentee before: Guangdong construction engineering quality safety inspection station Co., Ltd. Patentee before: Guangdong Construction Academy Group Plc |