CN205352581U - Bearing installation bias voltage detection device - Google Patents

Bearing installation bias voltage detection device Download PDF

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Publication number
CN205352581U
CN205352581U CN201620018177.9U CN201620018177U CN205352581U CN 205352581 U CN205352581 U CN 205352581U CN 201620018177 U CN201620018177 U CN 201620018177U CN 205352581 U CN205352581 U CN 205352581U
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CN
China
Prior art keywords
bearing
steel bushing
adjusting height
bushing ring
arrangement
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Expired - Fee Related
Application number
CN201620018177.9U
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Chinese (zh)
Inventor
武芳文
张庆开
薛成凤
丰丙龙
邱建涛
左英
曹旭
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Changan University
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Changan University
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Priority to CN201620018177.9U priority Critical patent/CN205352581U/en
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Publication of CN205352581U publication Critical patent/CN205352581U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a bearing installation bias voltage detection device, locate the pressure sensor, a plurality of respectively to a plurality of pressure sensor's the data receiving terminal who highly carries out the high adjusting device who adjusts and all be connected with a plurality of pressure sensor that lays in the stationary steel bushing ring outside including coaxial cuff at the stationary steel bushing ring by on detecting bridge beam supports, a plurality of equipartition, bridge beam supports is for installing the circular rubber support on support base stone, a plurality of high adjusting device all fix on the stationary steel bushing ring and its edge circumferencial direction is evenly laid, just it is formed by the concatenation of a plurality of convex steel sheets the stationary steel bushing ring for the ring, pressure sensor's quantity and the two quantity the same with high adjusting device's quantity all is not less than 3, and evenly lay a plurality of pressure sensor and it is installed respectively on a plurality of high adjusting device upper portions along the circumferencial direction. The utility model has the advantages of simple structure and reasonable design and the dismouting is simple and convenient, excellent in use effect, and the ability is simple and convenient, short -term test play bridge beam supports's bias voltage situation.

Description

Bias detecting device installed by a kind of bearing
Technical field
This utility model belongs to technical field of bridge construction, especially relates to a kind of bearing and installs bias detecting device.
Background technology
Bridge pad is the important feature parts connecting bridge superstructure and substructure, the counter-force of bridge superstructure and deformation (displacement and corner) can be passed to bridge substructure by reliably, are consistent so that the actual loading situation of structure is graphic with the theory of calculating.Bridge pad is set up on pier and its end face supporting bridge superstructure.Bridge pad is divided into bridle iron, polytetrafluoroethylene bearing (sliding support), rubber support, concrete bearing and plumbous bearing etc. by material difference.Wherein, bridge rubber bearing is to be vulcanized by multilayer rubber with sheet metal, be bonded, and it has enough vertical stiffness, the counter-force of superstructure (i.e. bridge superstructure) can be passed to pier reliably;Meanwhile, there is good elasticity, to adapt to the rotation of beam-ends;There is again the detrusion ability that religion is big;To meet the horizontal displacement of superstructure.Bridge rubber bearing not only technical performance is excellent, also have simple structure, cheap, without maintenance, it is easy to change, the features such as buffering shock insulation, building height is low, thus rubber support be now widely used with the unique advantage of himself.
But in bridge pad (especially rubber support) installation process, cause that bias-pressure phenomenon occurs in bearing owing to local height controls meeting not in place;And along with the continuous effect of the dynamic loads such as vehicle, bias-pressure phenomenon can be increasingly severe, Bearing Seat Force not only can be made uneven, premature breakdown occur, reduce the service life of bearing, and beam body stress can be made unreasonable and cracking occurs, have a strong impact on traffic safety.
Utility model content
Technical problem to be solved in the utility model is in that for above-mentioned deficiency of the prior art, there is provided a kind of bearing that bias detecting device is installed, its simple in construction, reasonable in design and dismounting is easy, result of use is good, can easy, quickly detect the bias condition of bridge pad.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: bias detecting device installed by a kind of bearing, it is characterized in that: include coaxial cuff stationary steel bushing ring on detected bridge pad, multiple pressure transducer, multiple arrangement for adjusting height respectively laying of multiple described pressure transducers being highly adjusted and data receiving terminal of being all connected with multiple described pressure transducers being all laid in outside stationary steel bushing ring, described bridge pad is the round rubber bearing being installed on bearing pad stone, and described bearing pad stone is positioned at Bridge Pier top;Multiple described arrangement for adjusting height are each attached on the lateral wall of stationary steel bushing ring and it is along the circumferential direction uniformly laid;Described stationary steel bushing ring be annulus and its formed by multiple circular arc steel plate splicings, multiple described circular arc steel plates are along the circumferential direction laid;The quantity of described pressure transducer is identical with the quantity of arrangement for adjusting height and the two quantity is all not less than 3, multiple described pressure transducers along the circumferential direction uniformly lay and it is separately mounted to multiple described arrangement for adjusting height top, the structure of multiple described pressure transducers all identical with size and its lay respectively at the surface of multiple described arrangement for adjusting height;The structure of multiple described arrangement for adjusting height is all identical with size, and the setting height(from bottom) of multiple described arrangement for adjusting height is all identical, and multiple described arrangement for adjusting height are respectively positioned on same plane and it is all laid along stationary steel bushing Ring current distribution axis direction.
Bias detecting device installed by above-mentioned a kind of bearing, it is characterized in that: be attached each through data line between multiple described pressure transducers and described data receiving terminal.
Bias detecting device installed by above-mentioned a kind of bearing, it is characterized in that: described stationary steel bushing ring is spliced by two semi-circular sheet steel, be attached in hinged way between the inner of two described semi-circular sheet steel and be attached with card dress or snap fit between the two outer end.
Bias detecting device installed by above-mentioned a kind of bearing, it is characterized in that: be attached by hinge or jointed shaft between the inner of two described semi-circular sheet steel, is attached by snap close between the outer end of two described semi-circular sheet steel.
Bias detecting device installed by above-mentioned a kind of bearing, it is characterized in that: the quantity of described pressure transducer and the quantity of arrangement for adjusting height are four.
Bias detecting device installed by above-mentioned a kind of bearing, it is characterized in that: described arrangement for adjusting height is height adjustment bolt.
Bias detecting device installed by above-mentioned a kind of bearing, it is characterized in that: described height adjustment bolt is weldingly fixed on the lateral wall of stationary steel bushing ring.
This utility model compared with prior art has the advantage that
1, simple in construction and processing and fabricating are easy, and input cost is relatively low.
2, reasonable in design, mainly includes coaxial cuff stationary steel bushing ring on detected bridge pad, multiple pressure transducer, multiple arrangement for adjusting height respectively laying of multiple pressure transducers being highly adjusted and data receiving terminal of being all connected with multiple pressure transducers being all laid in outside stationary steel bushing ring.
3, use easy and simple to handle, only need to by coaxial for stationary steel bushing ring cuff on detected bridge pad, respectively the laying of multiple pressure transducers is highly adjusted again through multiple arrangement for adjusting height, examination fall just monitored bridge pad pressurized situation everywhere can be carried out by multiple pressure transducers after beam quick, accurately detect, it is thus possible to the bias condition of the detected bridge pad of accurate response, understand detected bridge pad whether uniform force, in order to carry out the height adjustment of correspondence in time.
4, dismount easy and can repeatedly use.
5, result of use is good and practical value is high, energy is easy, quickly detect the bias condition of bridge pad, to carry out bias in time to adjust, it is thus possible to effectively reduce, even avoid because the bearing Bearing Seat Force that causes of bias is uneven, reduce the service life of bearing, beam body stress is unreasonable and occurs that the phenomenons such as cracking occur, thus can effectively solve to cause bearing biasing problem owing to height adjustment is not in place when bearing is installed.
6, widely applicable and popularizing application prospect is extensive, can be effectively applicable to all rubber supports, especially in the installation process of laminated rubber bearing.
In sum, this utility model simple in construction, reasonable in design and dismounting is easy, result of use is good, can easy, quickly detect the bias condition of bridge pad, and can reduce and even avoid bearing bias-pressure phenomenon.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation that bias detecting device installed by this utility model bearing.
Fig. 2 is the structural representation that in this utility model bearing installation bias detecting device, stationary steel bushing ring is in open mode.
Fig. 3 is the use state reference map that bias detecting device installed by this utility model bearing.
Fig. 4 is the method flow block diagram adopting this utility model to carry out when the anti-bias of bearing is installed.
Description of reference numerals:
1 pressure transducer;2 arrangement for adjusting height;3 snap closes;
4 data lines;5 stationary steel bushing rings;6 jointed shafts;
7 bridge pads.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, this utility model includes coaxial cuff stationary steel bushing ring 5 on detected bridge pad 7, multiple pressure transducer 1, multiple arrangement for adjusting height 2 respectively laying of multiple described pressure transducers 1 being highly adjusted and data receiving terminal of being all connected with multiple described pressure transducers 1 being all laid in outside stationary steel bushing ring 5, described bridge pad 7 is the round rubber bearing being installed on bearing pad stone, and described bearing pad stone is positioned at Bridge Pier top.Multiple described arrangement for adjusting height 2 are each attached on the lateral wall of stationary steel bushing ring 5 and it is along the circumferential direction uniformly laid.Described stationary steel bushing ring 5 for annulus and its formed by multiple circular arc steel plate splicings, multiple described circular arc steel plates are along the circumferential direction laid.The quantity of described pressure transducer 1 is identical with the quantity of arrangement for adjusting height 2 and the two quantity is all not less than 3, multiple described pressure transducers 1 along the circumferential direction uniformly lay and it is separately mounted to multiple described arrangement for adjusting height 2 top, the structure of multiple described pressure transducers 1 all identical with size and its lay respectively at the surface of multiple described arrangement for adjusting height 2.The structure of multiple described arrangement for adjusting height 2 is all identical with size, and the setting height(from bottom) of multiple described arrangement for adjusting height 2 is all identical, and multiple described arrangement for adjusting height 2 are respectively positioned on same plane and it is all laid along the central axial direction of stationary steel bushing ring 5.
In the present embodiment, it is attached each through data line 4 between multiple described pressure transducers 1 and described data receiving terminal.
Further, described data line 4 is wrapped on the lateral wall of stationary steel bushing ring 5.
In the present embodiment, described data receiving terminal includes data processor and the parameter set unit being connected respectively and display unit with described data processor.
In the present embodiment, described stationary steel bushing ring 5 is spliced by two semi-circular sheet steel, is attached in hinged way and is attached with card dress or snap fit between the two outer end between the inner of two described semi-circular sheet steel.The internal diameter of described stationary steel bushing ring 5 is consistent with the diameter of detected bridge pad 7.
Actual add man-hour, can according to specific needs, the quantity of circular arc steel plate included in stationary steel bushing ring 5 and the size of each circular arc steel plate be adjusted accordingly.
In the present embodiment, it is attached by hinge or jointed shaft 6 between the inner of two described semi-circular sheet steel, is attached by snap close 3 between the outer end of two described semi-circular sheet steel.
Time actually used, the inner of two described semi-circular sheet steel can also be attached by other articulated manner, such as hinge etc..Further, can also be attached by other connector between the outer end of two described semi-circular sheet steel, such as connecting bolt etc..
In the present embodiment, the quantity of described pressure transducer 1 and the quantity of arrangement for adjusting height 2 are four.
Time actually used, can according to specific needs, the quantity of pressure transducer 1 and the installation position of each pressure transducer 1 be adjusted accordingly.
In the present embodiment, described arrangement for adjusting height 2 is height adjustment bolt.
Further, described height adjustment bolt is weldingly fixed on the lateral wall of stationary steel bushing ring 5.
In actually used process, described arrangement for adjusting height 2 can also adopt other type of height adjusting part.
As shown in Figure 4, adopt this utility model carry out bearing anti-bias install time, comprise the following steps:
Step one, surveying setting-out: after bridge substructure has been constructed, measure unwrapping wire respectively to the installation position of all bridge pads 7 for supporting bridge girder;
Described bridge substructure includes along vertical bridge to the multiple described Bridge Pier laid from front to back, and described bridge main beam is supported in multiple described Bridge Pier, and each described Bridge Pier top is provided with the bearing pad stone installed for bridge pad 7;It is multiple for supporting the quantity of the bridge pad 7 of described bridge main beam;
Step 2, bearing are installed: according to the surveying setting-out result in step one, the multiple described bridge pad 7 being used for supporting described bridge main beam is installed respectively, and each described bridge pad 7 is mounted on a described bearing pad stone;
Step 3, bias detecting device are installed: be respectively mounted a described bias detecting device in step 2 on multiple described bridge pads 7;
The installation method of all bias detecting devices is all identical;When described bias detecting device being installed by bridge pad 7 at any one described, all comprise the following steps:
Step 301, stationary steel bushing ring are installed: by coaxial for stationary steel bushing ring 5 cuff on this bridge pad 7, and make all to be supported on the described bearing pad stone below this bridge pad 7 bottom multiple described arrangement for adjusting height 2;
Step 302, pressure transducer altitude mixture control: the laying of multiple described pressure transducers 1 is highly adjusted respectively by multiple described arrangement for adjusting height 2 fixing on stationary steel bushing ring described in step 301 5, make the upper surface of multiple described pressure transducer 1 all with the upper surface flush of this bridge pad 7;
Step 4, examination fall beam: described bridge main beam is transferred and is supported on multiple described bridge pad 7;
Step 5, bearing bias condition detect: utilize the multiple described bias detecting device installed in step 3 that the bias condition of now multiple described bridge pads 7 is detected respectively;
The bias condition detection method of all bridge pads 7 is all identical, when the bias condition of any one bridge pad 7 is detected, all comprises the following steps:
Step 501, detected pressure value receive: adopt data receiving terminal, and the detected pressure value of multiple described pressure transducers 1 in the described bias detecting device that now this bridge pad 7 is installed is received respectively;
In described bias detecting device, the quantity of pressure transducer 1 is M, and wherein M is positive integer and M >=3;The detected pressure value of M described pressure transducer 1 is denoted as F respectively1、F2、…、FM
Step 502, pressure reference value are determined: be ranked up by ascending or descending order by the detected pressure value of M the described pressure transducer 1 received in step 501, and using maximum for numerical value or that numerical value is minimum detected pressure value as pressure reference value F0
Step 503, bearing bias condition judge: first the bias ratio at M on this bridge pad 7 described pressure transducer 1 present position place being respectively calculated, on this bridge pad 7, described in i-th, the bias ratio at pressure transducer 1 present position place is denoted as Ci, andWherein FiDetected pressure value for pressure transducer 1 described in the i-th that receives in step 501;Further according to the bias ratio at multiple described pressure transducer 1 present position place on this bridge pad 7 calculated, now this bridge pad 7 bias condition is judged: when on this bridge pad 7 bias ratio at multiple described pressure transducer 1 present position place no more than C0Time, illustrate that now this bridge pad 7 is absent from bias;Otherwise, illustrate that now this bridge pad 7 exists bias, and this bridge pad 7 is for need to adjust bearing;Wherein, C0For bias ratio threshold value set in advance and C0=1%~10%;
Step 6, bearing bias adjusts and judges: the bias condition according to the now multiple described bridge pad 7 detected in step 5, judge whether that need to carry out bearing bias adjusts: when detecting that now multiple described bridge pads 7 are all absent from biasing, adjust without carrying out bearing bias, complete the anti-bias installation process of bearing;Otherwise, bearing bias need to be carried out and adjust, and enter step 7;
Step 7, bearing bias adjusts: the bias condition according to the multiple described bridge pad 7 detected in step 5, and all bearings that need to adjust detected are carried out bias adjustment respectively;Bias adjustment returns step 4 after completing.
In the present embodiment, the C described in step 5030=5%.
During practice of construction, can according to specific needs to C0Value size adjust accordingly.
In the present embodiment, when carrying out bearing installation in step 2, the installation method of multiple described bridge pads 7 is all identical;
When bridge pad any one described 7 is installed, all first tile one layer of mortar levelling layer on the described bearing pad stone that this bridge pad 7 is installed, then is fixed on described mortar levelling layer by this bridge pad 7;Described mortar levelling layer is cement sand bed or epoxy resin mortar layer.
In the present embodiment, step 4 carries out examination fall beam time, adopt and be laid in the jack at described Bridge Pier top, described bridge main beam is transferred and is supported on multiple described bridge pad 7;Before step 7 carries out bearing bias adjustment, first adopt described jack by described bridge main beam level upwards jacking, the more all bearings that need to adjust detected are carried out bias adjustment respectively.
Further, the quantity of described jack is multiple and it is all in vertically to laying, and each described bridge u pier top is provided with one or more described jack.
In the present embodiment, in step 7 to detect all need to adjust bearing respectively carry out bias adjust time, all adopt the described mode that need to adjust holder top brushing cement mortar or epoxy resin mortar carry out bias adjust.
In the present embodiment, the described holder top that need to adjust is divided into M sector region, the central angle of M described sector region is all identical and its installation position respectively with the installation position one_to_one corresponding of M described pressure transducer 1;The detected pressure value of detected pressure value respectively M described sector region of M described pressure transducer 1 in step 502;M described sector region includes a non-adjustment region and M-1 region to be adjusted, and described non-adjustment region is the sector region that in M described sector region, detected pressure value is minimum;
In step 7 to need to adjust any one described bearing carry out bias adjust time, detected pressure value according to the M after sequence in step 502 described pressure transducer 1, brushing cement mortar respectively or epoxy resin mortar on M-1 region to be adjusted of holder top need to be adjusted at this, and detected pressure value is more big, the thickness of institute's brushing cement mortar or epoxy resin mortar is more thin.
In the present embodiment, when step 302 carries out pressure transducer altitude mixture control, by multiple described arrangement for adjusting height 2, the laying of multiple described pressure transducers 1 is highly adjusted respectively, and makes the total height of each described arrangement for adjusting height 2 pressure transducer installed with on it 1 be adjusted to identical with the height of stationary steel bushing ring 5.
In actually used process, after completing the anti-bias installation process of bearing, all being removed by the described bias detecting device that each bridge pad 7 is installed, the method for dismounting of all bias detecting devices is all identical.To when any one described, bias detecting device is removed, first pass through the laying to multiple described pressure transducers 1 of multiple described arrangement for adjusting height 2 to be highly adjusted, the upper surface making each pressure transducer 1 is respectively positioned on below the upper surface of bridge pad 7, open snap close 3 again, described bias detecting device is taken off from bridge pad 7.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.

Claims (7)

1. bias detecting device installed by a bearing, it is characterized in that: include coaxial cuff stationary steel bushing ring (5) on detected bridge pad (7), multiple pressure transducers (1) being all laid in stationary steel bushing ring (5) outside, multiple arrangement for adjusting height (2) respectively the laying of multiple described pressure transducers (1) being highly adjusted and the data receiving terminal being all connected with multiple described pressure transducers (1), described bridge pad (7) is the round rubber bearing being installed on bearing pad stone, described bearing pad stone is positioned at Bridge Pier top;Multiple described arrangement for adjusting height (2) are each attached on the lateral wall of stationary steel bushing ring (5) and it is along the circumferential direction uniformly laid;Described stationary steel bushing ring (5) for annulus and its formed by multiple circular arc steel plate splicings, multiple described circular arc steel plates are along the circumferential direction laid;The quantity of described pressure transducer (1) is identical with the quantity of arrangement for adjusting height (2) and the two quantity is all not less than 3, multiple described pressure transducers (1) are along the circumferential direction uniformly laid and it is separately mounted to multiple described arrangement for adjusting height (2) top, the structure of multiple described pressure transducers (1) all identical with size and its lay respectively at the surface of multiple described arrangement for adjusting height (2);The structure of multiple described arrangement for adjusting height (2) is all identical with size, the setting height(from bottom) of multiple described arrangement for adjusting height (2) is all identical, and multiple described arrangement for adjusting height (2) are respectively positioned on same plane and it is all laid along the central axial direction of stationary steel bushing ring (5).
2. bias detecting device installed by a kind of bearing described in claim 1, it is characterised in that: it is attached each through data line (4) between multiple described pressure transducers (1) and described data receiving terminal.
3. bias detecting device installed by a kind of bearing described in claim 1 or 2, it is characterized in that: described stationary steel bushing ring (5) is spliced by two semi-circular sheet steel, be attached in hinged way between the inner of two described semi-circular sheet steel and be attached with card dress or snap fit between the two outer end.
4. bias detecting device installed by a kind of bearing described in claim 3, it is characterized in that: be attached by hinge or jointed shaft (6) between the inner of two described semi-circular sheet steel, be attached by snap close (3) between the outer end of two described semi-circular sheet steel.
5. bias detecting device installed by a kind of bearing described in claim 1 or 2, it is characterised in that: the quantity of the quantity of described pressure transducer (1) and arrangement for adjusting height (2) is four.
6. bias detecting device installed by a kind of bearing described in claim 1 or 2, it is characterised in that: described arrangement for adjusting height (2) is height adjustment bolt.
7. bias detecting device installed by a kind of bearing described in claim 6, it is characterised in that: described height adjustment bolt is weldingly fixed on the lateral wall of stationary steel bushing ring (5).
CN201620018177.9U 2016-01-09 2016-01-09 Bearing installation bias voltage detection device Expired - Fee Related CN205352581U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509933A (en) * 2016-01-09 2016-04-20 长安大学 Unsymmetrical pressure detector for bearing installation and unsymmetrical pressure-preventing bearing installation method
CN107675775A (en) * 2017-09-18 2018-02-09 济南凯丰市政工程有限公司 A kind of constructing device and construction method for storm sewer construction
CN109668669A (en) * 2019-01-12 2019-04-23 尚廷东 A kind of pin-connected panel cable force measurement device for the measurement of rope rope tension
CN110700106A (en) * 2019-10-25 2020-01-17 罗丽芳 Bridge construction pier pouring steel template reinforcing structure
CN111487322A (en) * 2020-04-13 2020-08-04 河海大学 Detection device and detection method for fracture of sprayed concrete and surrounding rock
CN111827373A (en) * 2020-07-10 2020-10-27 广东省建设工程质量安全检测总站有限公司 Remote detection system for static load test

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509933A (en) * 2016-01-09 2016-04-20 长安大学 Unsymmetrical pressure detector for bearing installation and unsymmetrical pressure-preventing bearing installation method
CN105509933B (en) * 2016-01-09 2018-06-08 长安大学 A kind of bearing installation bias detection device and the anti-bias installation method of bearing
CN107675775A (en) * 2017-09-18 2018-02-09 济南凯丰市政工程有限公司 A kind of constructing device and construction method for storm sewer construction
CN107675775B (en) * 2017-09-18 2020-08-28 凯丰智慧(山东省)市政工程有限公司 Construction device and construction method for rainwater pipeline construction
CN109668669A (en) * 2019-01-12 2019-04-23 尚廷东 A kind of pin-connected panel cable force measurement device for the measurement of rope rope tension
CN110700106A (en) * 2019-10-25 2020-01-17 罗丽芳 Bridge construction pier pouring steel template reinforcing structure
CN111487322A (en) * 2020-04-13 2020-08-04 河海大学 Detection device and detection method for fracture of sprayed concrete and surrounding rock
CN111827373A (en) * 2020-07-10 2020-10-27 广东省建设工程质量安全检测总站有限公司 Remote detection system for static load test
CN111827373B (en) * 2020-07-10 2022-02-08 广东省建设工程质量安全检测总站有限公司 Remote detection system for static load test

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Granted publication date: 20160629

Termination date: 20170109