CN201527266U - Rail geometrical state measuring apparatus - Google Patents
Rail geometrical state measuring apparatus Download PDFInfo
- Publication number
- CN201527266U CN201527266U CN2009203136972U CN200920313697U CN201527266U CN 201527266 U CN201527266 U CN 201527266U CN 2009203136972 U CN2009203136972 U CN 2009203136972U CN 200920313697 U CN200920313697 U CN 200920313697U CN 201527266 U CN201527266 U CN 201527266U
- Authority
- CN
- China
- Prior art keywords
- rail
- wheel
- crossbeam
- measuring
- prism table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a rail geometrical state measuring apparatus, which not only can measure a relative space position between two steel rails, but also can be combined with a total station to directly measure actual tridimensional space positions of rail panels or steel rails. The rail geometrical state measuring apparatus comprises a traveling mechanism consisting of transverse beams and the like and measuring mechanisms such as a measuring wheel, an inclination sensor, a rail gauge sensor and the like, the transverse beams are provided with an electrical appliance control unit with a single board computer, a rail center line prism table, and a calibration correction prism table, a distance between the rail center line prism table and the outer edge of the fixed measuring wheel is 1/2 of a standard rail gauge, the calibration correction prism table is located above the fixed measuring wheel and coaxial with the same, a travelling wheel is provided with a rotary encoder, a displacement sensor, the inclination sensor and a wireless transmission module are connected with the single board computer and combined with the total station to measure coordinates of a rail center line prism. The rail geometrical state measuring apparatus can realize measurement of geodetic coordinates and relative position relationships, can not only perform relative measurement but also perform absolution measurement, and is adaptable to maintaining and measuring the existing railways and directly lofting when building new railways.
Description
Technical field
The utility model relates to measurement, location, the checkout equipment of the multiple geometric parameter of accurate detection track, particularly relates to a kind of track geometry status measuring instrument.
Background technology
When newly built railway, need rail be installed and adjust on the given design load of designing institute, traditional way is the planimetric coordinates with total powerstation setting-out line midline, elevation with spirit-leveling instrument setting-out line midline, thereby obtain the line midline three-dimensional coordinate, utilize the relative position relation of center line and two strands of rail again, adopt track detection ruler and total powerstation manually to determine the relative position of two strands of rail.
When the operation railway do is detected, need repetition measurement to go out the parameters of the circuit after the operation, and compare with designing institute given design load, determine the departure of parameters, do further to adjust according to deviation range again.Traditional way is earlier to go out the parameters theoretical value of detected mileage place rail indoor according to calculation of design parameters, carries out actual measurement again to the scene.
Present employed orbit measurement instrument, its primary structure comprises: by crossbeam, be connected the travel mechanism that left and right sides road wheel on the crossbeam and brake system and implementation bar assembly thereof are formed, be arranged on fixation measuring wheel and the movable measuring wheel of two ends, the crossbeam left and right sides near the road wheel position, movable measuring wheel can be with respect to the crossbeam activity, and it can carry out the adjustment of adaptive position according to actual gauge.General movable measuring wheel is to realize its adjustment like this: movable measuring wheel is connected with displacement transducer on being arranged on crossbeam by measuring wheel pole, strainer is connected on the movable measuring wheel, described strainer is by spring, two tensioning rollers and coupling assembling constitute, on the one hand, described measuring wheel pole is connected on the crossbeam by extension spring, on the other hand, described measuring wheel pole also is connected with brake lever by lifting line, described brake lever is installed in the handle that is positioned at the crossbeam middle part, the brake lever of holding with a firm grip, tensioning roller and measuring wheel can leave rail, make things convenient for the traverse measurement instrument, also are provided with inclination sensor on the crossbeam.Strainer is used for making when measuring fixation measuring wheel and tensioning roller to abut against the inboard of two strands of rail respectively, and under the extension spring effect, the activity measuring wheel is also all the time near the inboard of tested rail during measurement.
The defective of existing orbit measurement instrument is: can only carry out relative measurement to two strands of rail, promptly can only measure the relative position and the form of two strands of rail, can't combine rail and earth coordinates, can not determine out rail particular location and line alignment on earth, therefore when newly-built track laying track, can't directly realize the setting-out function.When existing line is done to safeguard detection, also can only obtain relative position relation.And whether the trend of circuit is correct, and absolute relation such as bulk settling can't be embodied.
The utility model content
Can only measure the deficiency of two strands of rail relative positions in order to overcome existing orbit measurement instrument, technical problem to be solved in the utility model provides the relative tertiary location between two strands of rail of a kind of both energy measurements, can also directly determine the track geometry status measuring instrument of the actual three-dimensional space position of the section of track or rail in conjunction with total powerstation.
The technical scheme that its technical matters that solves the utility model adopts is: the track geometry status measuring instrument, comprise by crossbeam, be connected the left lateral travelling wheel on the crossbeam, right lateral travelling wheel and brake system thereof, and be connected the travel mechanism that the implementation bar assembly on the crossbeam is formed, also comprise measuring mechanism, described measuring mechanism comprises that branch is located at the fixation measuring wheel and the movable measuring wheel at crossbeam two ends, and be arranged on inclination sensor and displacement transducer on the crossbeam, described crossbeam is provided with track centre prism table and calibration prism table, the track centre prism table is 1/2 of a standard gauge apart from fixation measuring wheel outer rim distance, and the calibration prism table is positioned at fixation measuring wheel top and coaxial with the fixation measuring wheel; Described road wheel is provided with rotary encoder; Be provided with the electrical control unit of band single card microcomputer on described crossbeam, displacement transducer is connected with single card microcomputer by cable respectively with inclination sensor.Described herein " the track centre prism table apart from fixation measuring wheel outer rim distance be standard gauge 1/2 ", be meant track centre prism table center and fixation measuring wheel and the contacted outer rim of track between distance be 1/2 of standard gauge.
Described single card microcomputer is connected with wireless transport module.
Described single card microcomputer is connected with display module.
The beneficial effects of the utility model are: install calibration prism and track centre prism on the track geometry status measuring instrument additional, automatically measure the coordinate of calibration prism and track centre prism by total powerstation, can realize absolute measurement the three-dimensional coordinate of track centre; Can realize accurate measurement by being installed in displacement transducer on the track geometry status measuring instrument to gauge; Can realize measurement by being installed in inclination sensor on the track geometry status measuring instrument to two bursts of rail tread discrepancy in elevation; By the data that record continuously can calculate mileage, rail to, just, index such as twist irregularity, ride comfort.All measured values come together on the palm PC by the mode of wireless data sending, and the Control Software on the palm PC can realize the combination of relative measurement and absolute measurement, and design theory model and actual measurement mathematical model are compared and change, directly the output bias amount.The utility model is measured terrestrial coordinate with two kinds of ergasias of relative position relation measurement and is combined, can carry out relative measurement, promptly determine two strands of relative tertiary locations between the rail, realize the function of common rail detection ruler, inspection vehicle, can carry out absolute measurement again in conjunction with total powerstation, promptly directly determine the actual three dimensions geometric position of the section of track or rail, the maintenance that both had been suitable for existing railway is measured, also can when newly built railway, the section of track and rail setting-out be arrived theoretical position, directly realize the setting-out function.
Description of drawings
Fig. 1 is the front view of the utility model measuring instrument.
Fig. 2 is the vertical view of the utility model measuring instrument.
Fig. 3 is the left view of the utility model measuring instrument.
Fig. 4 is the electrical control unit block diagram of the utility model measuring instrument.
Be labeled as 1-left lateral travelling wheel, 2-fixation measuring wheel among the figure, the 3-electrical control unit, 4-carrying handle assembly, 5-carries out the bar assembly, the movable measuring wheel of 6-, 7-strainer, 8-right lateral travelling wheel, the 9-crossbeam, 10-track centre prism table, 11-calibration prism table, 12-measuring wheel pole, 13-lifts line, the 14-brake lever, the 15-inclination sensor, 16-extension spring, 17-displacement transducer, the 18-brake system, 19-rotary encoder, 20-single card microcomputer, 21-first wireless transport module, 22-second wireless transport module, 23-the 3rd wireless transport module, the 24-display module, the 25-power supply, 26-total powerstation, 27-palm PC.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, track geometry status measuring instrument of the present utility model, comprise by crossbeam 9, be connected the left lateral travelling wheel 1 on the crossbeam 9, right lateral travelling wheel 8 and brake system 18 thereof, and be connected the travel mechanism that the implementation bar assembly 5 on the crossbeam 9 is formed, also comprise measuring mechanism, described measuring mechanism comprises that branch is located at the fixation measuring wheel 2 and the movable measuring wheel 6 at crossbeam 9 two ends, and be arranged on inclination sensor 15 and displacement transducer 17 on the crossbeam 9, described crossbeam 9 is provided with track centre prism table 10 and calibration prism table 11, it is 1/2 of standard gauge that track centre prism table 10 is taken turns 2 outer rims distances apart from fixation measuring, and calibration prism table 11 is positioned at fixation measuring takes turns 2 tops and take turns 2 coaxial with fixation measuring; Described one of them road wheel is provided with rotary encoder 19; Be provided with the electrical control unit 3 of band single card microcomputer 20 on described crossbeam 9, rotary encoder 19, displacement transducer 17 and inclination sensor 15 are connected with single card microcomputer 20 by cable respectively.
Embodiment:
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model mainly is made up of crossbeam 9, track centre prism table 10, calibration prism table 11, fixation measuring wheel 2, movable measuring wheel 6, measuring wheel pole 12, extension spring 16, carrying handle assembly 4, brake lever 14, strainer 7, left lateral travelling wheel 1, right lateral travelling wheel 8, implementation bar assembly 5, brake system 18, displacement transducer 17, inclination sensor 15, rotary encoder 19 and electrical control unit 3.
Track centre prism table 10 and calibration prism table 11 are installed on the crossbeam 9, place go up prismosphere in the digonous microscope base respectively, calibration prism table 11 is positioned at the top of fixation measuring wheel 2 and takes turns 2 coaxial with fixation measuring.Track centre prism table 10 is installed on the crossbeam 9, and the distance that itself and fixation measuring are taken turns 2 outer rims is 1/2 of a standard gauge.
Crossbeam 9, road wheel 1,8, implementation bar assembly 5, brake system 18 have been formed the travel mechanism of native system jointly, the brake lever of brake system 18 is installed on the handle of implementation bar assembly 5, brake system 18 is with road wheel 1,8 lockings during stationary state, be beneficial to reliable and stable measurement, when carrying out, hold brake lever, brake discharges, and is beneficial to smooth implementation.
As shown in Figure 4, when reality is used, be installed in the palm PC 27 Control Software by second wireless data transmission module 22 respectively be installed in electrical control unit 3 in first wireless data transmission module 21 that links to each other with single card microcomputer 20 and the tripartite exchanges data of the 3rd wireless data transmission module 23 realizations that links to each other with total powerstation 26.
During use, with the hand-tight brake lever 14 of holding, move along the length direction of crossbeam 9 by lift line 13 drive activity measuring wheels 6 and the strainer 7 that links to each other with brake lever 14, make spacing between the lateral border of the lateral border of movable measuring wheel 6 and tensioning roller and fixation measuring wheel 2 less than gauge, the fixation measuring wheel 2 of track geometry status measuring instrument is positioned over two bursts of rail inboards by a side rail, road wheel 1,8 are close to two strands of rail rail levels, unclamp brake lever 14 then, under the effect of strainer 7, the movable measuring wheel 6 of track geometry status measuring instrument is close to the inboard of another strand rail and is kept vertical with rail with two tensioning rollers, under the effect of extension spring 16, fixation measuring wheel 2 is also near the opposite side rail simultaneously.
The track geometry status measuring instrument is carried out initialization: with the track geometry status measuring instrument after placing on the rail, utilize total powerstation 26 to measure the prism coordinate that is installed in the calibration prism table 11, obtain in individual D coordinates value, be designated as (X1, Y1, H1), this be on the occasion of, again be placed in same mileage place after the track geometry status measuring instrument being taken off track and Rotate 180 degree then, utilize total powerstation 26 to measure once more and be installed in the interior prism coordinate of calibration prism table, obtain another D coordinates value, be designated as (X2, Y2, H2), this is the value of falling, and then the gauge L1 at this mileage place calculates with following formula:
Wherein R2 is the radius of fixation measuring wheel 2, and R6 is the radius of movable measuring wheel 6.
When measuring with total powerstation 26, also record the gauge value of two strands of rail simultaneously by displacement transducer 17, be designated as L2, utilize the Control Software be installed in the palm PC 27 or the initial value by the button replacement displacement transducer 17 on the electrical control unit 3 this moment, allow L2=L1.Because being installed in, inclination sensor 15 might not guarantee on the crossbeam 9 that it is certain parallel with crossbeam 9, record at a certain mileage place with the track geometry status measuring instrument in, the displacement transducer of falling the value initialization 17, also obtain two groups of tilting values simultaneously, the difference of two groups of tilting values is alignment errors of inclination sensor 15, this alignment error is counted software, when measuring, revise.Utilize total powerstation 26 to measure the prism coordinate that is installed in the track centre prism table 10, be beneficial to this actual mileage of pointing out of software inverse by this coordinate, then this mileage value is composed to rotary encoder 19,, finished initialization rotary encoder 19 as the starting point of mileage record.
The track geometry status measuring instrument is after placing between two strands of rail, measure prism coordinate that is installed in the track centre prism table 10 and the gauge value of utilizing displacement transducer 17 to record by total powerstation 26, can directly obtain the line midline coordinate figure, this coordinate figure is transferred to the Control Software that is installed on the palm PC 27, calculating by mathematical model, can obtain difference with the theoretical midline coordinate, thereby the guiding construction personnel setting-out section of track or adjustment track are positioned on the theoretical track centre tested track centre point.
Claims (3)
1. track geometry status measuring instrument, comprise by crossbeam (9), be connected the left lateral travelling wheel (1) on the crossbeam (9), right lateral travelling wheel (8) and brake system (18) thereof, and be connected the travel mechanism that the implementation bar assembly (5) on the crossbeam (9) is formed, also comprise measuring mechanism, described measuring mechanism comprises that branch is located at fixation measuring wheel (2) and the movable measuring wheel (6) at crossbeam (9) two ends, and be arranged on inclination sensor (15) and displacement transducer (17) on the crossbeam (9), it is characterized in that: described crossbeam (9) is provided with track centre prism table (10) and calibration prism table (11), track centre prism table (10) is 1/2 of a standard gauge apart from the outer rim distance of fixation measuring wheel (2), and calibration prism table (11) is positioned at fixation measuring wheel (2) top and coaxial with fixation measuring wheel (2); Described one of them road wheel is provided with rotary encoder (19); Be provided with the electrical control unit (3) of band single card microcomputer (20) on described crossbeam (9), rotary encoder (19), displacement transducer (17) and inclination sensor (15) are connected with single card microcomputer (20) by cable respectively.
2. track geometry status measuring instrument as claimed in claim 1 is characterized in that: described single card microcomputer (20) is connected with first wireless transport module (21).
3. track geometry status measuring instrument as claimed in claim 1 or 2 is characterized in that: described single card microcomputer (20) is connected with display module (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203136972U CN201527266U (en) | 2009-10-30 | 2009-10-30 | Rail geometrical state measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203136972U CN201527266U (en) | 2009-10-30 | 2009-10-30 | Rail geometrical state measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527266U true CN201527266U (en) | 2010-07-14 |
Family
ID=42518552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203136972U Expired - Lifetime CN201527266U (en) | 2009-10-30 | 2009-10-30 | Rail geometrical state measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527266U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824784A (en) * | 2010-04-30 | 2010-09-08 | 成都普罗米新科技有限责任公司 | Track slab detection frame and detection method thereof |
| CN102182123A (en) * | 2011-04-13 | 2011-09-14 | 成都普罗米新科技有限责任公司 | Centering device for track midline ruler |
| CN102251451A (en) * | 2011-05-27 | 2011-11-23 | 长沙高新开发区瑞智机电科技有限公司 | Track geometric state measurement system and method based on multisource information fusion technology |
| CN103255689A (en) * | 2013-05-15 | 2013-08-21 | 中铁四局集团第五工程有限公司 | Ballastless track bed plate elevation rapid inspection vehicle |
| CN103552570A (en) * | 2013-11-06 | 2014-02-05 | 西南交通大学 | Vehicle-mounted close-range photogrammetry method for detecting smoothness of railway track |
| CN104210510A (en) * | 2014-10-14 | 2014-12-17 | 石家庄铁道大学 | Measuring instrument for rail cants of steel rails |
| CN104674621A (en) * | 2015-02-13 | 2015-06-03 | 中铁第一勘察设计院集团有限公司 | Track direction vector gauge metering and detecting device for track measuring instrument |
| CN107299568A (en) * | 2017-06-16 | 2017-10-27 | 中铁工程设计咨询集团有限公司 | A kind of track dynamic measuring system and method |
| CN107881866A (en) * | 2017-12-25 | 2018-04-06 | 中铁第四勘察设计院集团有限公司 | Both wired quick repetition measurement measurement car |
| CN108362250A (en) * | 2018-03-21 | 2018-08-03 | 江西日月明测控科技股份有限公司 | Subway third rail measures mechanical arm |
| CN109436019A (en) * | 2018-12-07 | 2019-03-08 | 中铁第勘察设计院集团有限公司 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
| CN110017823A (en) * | 2019-04-29 | 2019-07-16 | 江西日月明测控科技股份有限公司 | Exempt from the tracks positioned Coordinate calculation method and device that horizontalization sets station based on total station |
-
2009
- 2009-10-30 CN CN2009203136972U patent/CN201527266U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824784A (en) * | 2010-04-30 | 2010-09-08 | 成都普罗米新科技有限责任公司 | Track slab detection frame and detection method thereof |
| CN102182123A (en) * | 2011-04-13 | 2011-09-14 | 成都普罗米新科技有限责任公司 | Centering device for track midline ruler |
| CN102251451A (en) * | 2011-05-27 | 2011-11-23 | 长沙高新开发区瑞智机电科技有限公司 | Track geometric state measurement system and method based on multisource information fusion technology |
| CN102251451B (en) * | 2011-05-27 | 2013-04-10 | 长沙高新开发区瑞智机电科技有限公司 | Track geometric state measurement system and method based on multisource information fusion technology |
| CN103255689A (en) * | 2013-05-15 | 2013-08-21 | 中铁四局集团第五工程有限公司 | Ballastless track bed plate elevation rapid inspection vehicle |
| CN103552570B (en) * | 2013-11-06 | 2016-06-29 | 中国铁路总公司 | A kind of vehicle-mounted close range photogrammetry method of railroad track ride comfort detection |
| CN103552570A (en) * | 2013-11-06 | 2014-02-05 | 西南交通大学 | Vehicle-mounted close-range photogrammetry method for detecting smoothness of railway track |
| CN104210510A (en) * | 2014-10-14 | 2014-12-17 | 石家庄铁道大学 | Measuring instrument for rail cants of steel rails |
| CN104210510B (en) * | 2014-10-14 | 2016-08-24 | 石家庄铁道大学 | Steel rail base slope measuring instrument |
| CN104674621A (en) * | 2015-02-13 | 2015-06-03 | 中铁第一勘察设计院集团有限公司 | Track direction vector gauge metering and detecting device for track measuring instrument |
| CN104674621B (en) * | 2015-02-13 | 2017-01-18 | 中铁第一勘察设计院集团有限公司 | Track direction vector gauge metering and detecting device for track measuring instrument |
| CN107299568A (en) * | 2017-06-16 | 2017-10-27 | 中铁工程设计咨询集团有限公司 | A kind of track dynamic measuring system and method |
| CN107881866A (en) * | 2017-12-25 | 2018-04-06 | 中铁第四勘察设计院集团有限公司 | Both wired quick repetition measurement measurement car |
| CN108362250A (en) * | 2018-03-21 | 2018-08-03 | 江西日月明测控科技股份有限公司 | Subway third rail measures mechanical arm |
| CN108362250B (en) * | 2018-03-21 | 2023-10-27 | 江西日月明测控科技股份有限公司 | Third rail measuring mechanical arm for subway |
| CN109436019A (en) * | 2018-12-07 | 2019-03-08 | 中铁第勘察设计院集团有限公司 | High speed railway track measuring instrument traveling wheel rotational angle measurement structure |
| CN110017823A (en) * | 2019-04-29 | 2019-07-16 | 江西日月明测控科技股份有限公司 | Exempt from the tracks positioned Coordinate calculation method and device that horizontalization sets station based on total station |
| CN110017823B (en) * | 2019-04-29 | 2022-02-08 | 江西日月明测控科技股份有限公司 | Rail positioning coordinate calculation method and device based on total station instrument free-standing station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201527266U (en) | Rail geometrical state measuring apparatus | |
| CN105292173B (en) | A kind of automatic measurement track checking car | |
| CN201158385Y (en) | Instrument for accurately testing high-speed railway rails | |
| CN102251451B (en) | Track geometric state measurement system and method based on multisource information fusion technology | |
| CN101761004B (en) | Rail detecting instrument for low and medium speed magnetic suspension F-type rail | |
| CN106769116A (en) | A kind of high ferro bogie on-line automatic detection device | |
| KR101358870B1 (en) | Automatic measurement apparatus of track guage and rail slope | |
| CN108759768B (en) | In-situ measurement and indication method for adjusting quantity of assembly deflection of rail transit vehicle body | |
| CN104859681A (en) | Rapid fine adjustment rail checking device for rail geometrical parameter measurement | |
| CN208278072U (en) | A kind of conductor rail detection vehicle | |
| CN201738203U (en) | Measuring device for track plate of unballast track | |
| CN101819035B (en) | Detection method used for manufacturing CRTS II type track slabs | |
| CN203429519U (en) | Fine adjustment measuring instrument used for plate-type ballastless track | |
| CN204311309U (en) | Track accurate adjustment positioning measurment system | |
| CN210180409U (en) | Canopy limit measuring device for existing railway line platform | |
| CN208472490U (en) | A kind of track geometry status high precision measuring device | |
| CN204688131U (en) | Non-contact steel rail Abrasion detecting device | |
| RU99758U1 (en) | TRAVELING TROLLEY | |
| JP2014034875A (en) | Track measuring and analyzing apparatus with radio communication portable terminal | |
| CN105180774A (en) | Elevator guide rail top surface distance measuring instrument and measuring method | |
| CN114739559B (en) | Positioning assembly and process for testing position of wheel rail force and steel rail neutral axis | |
| JPH1172326A (en) | Measuring apparatus for shape of road surface | |
| CN207163471U (en) | A kind of trackage measurement apparatus | |
| CN109341837B (en) | Force measuring method for rail weighing unit verification and portable hydraulic force measuring device | |
| CN218929444U (en) | Bearing structure and measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU PROMISSION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHENGDU PULUOMI NEW TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 308, room 2, building 610041, high tech software incubation garden, South extension Road, Tianfu Road, Chengdu, Sichuan Patentee after: CHENGDU PULUOMI NEW TECHNOLOGY CO. ,LTD. Address before: 308, room 2, building 610041, high tech software incubation garden, South extension Road, Tianfu Road, Chengdu, Sichuan Patentee before: Chengdu Puluomi New Technology Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160121 Address after: 610023, No. 7, No. 1, No. 4, No. 5, No. 6 and No. 7, No. 661, glass road, Jinjiang District, Sichuan, Chengdu, China Patentee after: Chengdu Jingwei Technological Apparatus Co., Ltd. Address before: 308, room 2, building 610041, high tech software incubation garden, South extension Road, Tianfu Road, Chengdu, Sichuan Patentee before: CHENGDU PULUOMI NEW TECHNOLOGY CO. ,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |
|
| CX01 | Expiry of patent term |