CN219830047U - Large-caliber water meter calibrating device - Google Patents
Large-caliber water meter calibrating device Download PDFInfo
- Publication number
- CN219830047U CN219830047U CN202321117279.2U CN202321117279U CN219830047U CN 219830047 U CN219830047 U CN 219830047U CN 202321117279 U CN202321117279 U CN 202321117279U CN 219830047 U CN219830047 U CN 219830047U
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- water meter
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- conveyor
- sliding
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000012795 verification Methods 0.000 claims description 44
- 238000009434 installation Methods 0.000 claims description 20
- 239000004429 Calibre Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a large-caliber water meter calibrating device, and belongs to the technical field of water meter calibrating equipment. The method solves the defects that in the prior art, when the large-caliber water meter is detected, workers are required to hold the water meter on a detection pipeline or lift the water meter on the detection pipeline through lifting equipment, and the labor intensity of the workers is high and the detection efficiency is low. The water meter calibrating device mainly comprises a water meter calibrating device body, wherein the water meter calibrating device body comprises a calibrating pipeline, the calibrating pipeline is provided with at least one water meter clamping position, the water meter calibrating device further comprises a feeding conveyor which is perpendicular to the calibrating pipeline, the tail end of the feeding conveyor passes through the water meter clamping position, a plurality of water meter mounting positions are arranged on the feeding conveyor at equal intervals, a discharging conveyor is arranged on one side, close to the tail end of the feeding conveyor, of the calibrating pipeline, a water meter transferring device is arranged between the feeding conveyor and the discharging conveyor, and the water meter transferring device is used for transferring water meters from the feeding conveyor to the discharging conveyor.
Description
Technical Field
The utility model belongs to the technical field of water meter verification equipment, and particularly relates to a large-caliber water meter verification device.
Background
The large-caliber water meter is a water meter with a nominal caliber of 50mm or more, and is generally connected with a pipeline through flanges at two sides. The large-caliber water meter needs to be inspected before being put into the market, when the large-caliber water meter is inspected, the large-caliber water meter needs to be manually held on an inspection pipeline or lifted on the inspection pipeline through lifting equipment, the large-caliber water meter is clamped through a meter clamping device on the inspection pipeline, and after the large-caliber water meter is clamped, a worker also needs to install a camera right above a water meter dial to read dial data. The large-caliber water meter is installed on the verification pipeline through manual or hoisting equipment, so that the labor intensity of workers is high, the verification efficiency is low, and a device capable of replacing manual installation of the large-caliber water meter on the verification pipeline is lacking in the current market.
Disclosure of Invention
The utility model aims to provide a large-caliber water meter calibrating device, which overcomes the defects that in the prior art, when a large-caliber water meter is inspected, workers are required to hold the water meter on an inspection pipeline or to hoist the water meter on the inspection pipeline through hoisting equipment, so that the labor intensity of the workers is high and the inspection efficiency is low.
The utility model adopts the following technical scheme that the large-caliber water meter calibrating device comprises a water meter calibrating device body, wherein the water meter calibrating device body comprises a calibrating pipeline, the calibrating pipeline is provided with at least one water meter clamping position, the two sides of the water meter clamping position are respectively provided with a meter clamping device and a fixed flange, the upper side of the water meter clamping position is provided with a camera, the large-caliber water meter calibrating device also comprises a feeding conveyor which is vertically arranged with the calibrating pipeline, each water meter clamping position is correspondingly provided with a feeding conveyor, the tail end of each feeding conveyor passes through the water meter clamping position, a plurality of water meter installation positions are arranged on the feeding conveyor at equal intervals, one side of the calibrating pipeline, which is close to the tail end of the feeding conveyor, is provided with a discharging conveyor, a water meter transferring device is arranged between each feeding conveyor and each discharging conveyor, and the water meter transferring device is used for transferring the water meter from the feeding conveyor to the discharging conveyor.
Further, the water meter transferring device comprises a supporting frame, wherein the supporting frame comprises cross beams, two sides of which are perpendicular to the verification pipeline, and the cross beams are supported by vertical beams; the sliding vehicle is arranged between the cross beams on two sides, the sliding vehicle is driven by a first driving piece and slides relative to the cross beams, the lifting plate is arranged on the top surface of the sliding vehicle, the lifting plate is driven by a second driving piece and lifts relative to the sliding vehicle, the two sides of the top surface of the lifting plate are respectively provided with a longitudinal sliding groove, a vertical rod is inserted into the longitudinal sliding grooves, a top plate is arranged on the top of the vertical rod, a cross rod is arranged on the bottom of the vertical rod, and the top plate is driven by a third driving piece and slides along the longitudinal sliding grooves.
Further, the first driving piece comprises a screw rod motor, the two sides of the bottom of the sliding vehicle are respectively provided with a sliding block, the sliding blocks are respectively provided with a screw hole and a sliding groove, a screw rod on the screw rod motor penetrates through the screw holes on the sliding blocks, and the top surfaces of the cross beams on the two sides are respectively provided with sliding rails matched with the sliding blocks.
Further, the second driving piece comprises a lifting air cylinder fixedly installed on the sliding vehicle, the top surface of a piston rod of the lifting air cylinder is connected with a lifting plate, guide rods are respectively arranged on the top surface of the sliding vehicle on two sides of the lifting air cylinder, and the guide rods penetrate through the lifting plate.
Further, the third driving piece comprises a sliding cylinder, and a piston rod of the sliding cylinder is connected with the top plate.
Further, the camera is mounted on the support frame through the support rod.
Further, the feeding conveyor adopts a chain plate conveyor, a plurality of supporting plates are arranged between chains on two sides of the chain plate conveyor at equal intervals, the middle positions of two sides of the supporting plates are respectively and fixedly connected with the chains on two sides, and each supporting plate is provided with a water meter installation position.
Further, limiting bottom plates are respectively arranged on two sides of the supporting plate, and arc-shaped plates are respectively arranged on two sides of the limiting bottom plates.
Further, the blanking conveyor adopts a belt conveyor.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the large-caliber water meter to be detected can be automatically conveyed to the water meter clamping position of the detection pipeline, and is conveyed to the blanking conveyor through the water meter conveying device after the water meter is detected, so that the large-caliber water meter is not required to be manually installed and detached on the water meter detection pipeline, the labor intensity of workers is reduced, and the detection efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model in the front view;
FIG. 2 is a schematic view of the structure of the utility model in the rear view direction;
FIG. 3 is a rear view of the present utility model;
fig. 4 is a state of use diagram of the present utility model.
In the figure: 1. calibrating the pipeline; 2. a water meter clamping position; 3. a meter clamping device; 4. a fixed flange; 5. a camera; 6. a feed conveyor; 7. a blanking conveyor; 8. a water meter transfer device; 9. a cross beam; 10. a vertical beam; 11. a slide car; 12. a lifting plate; 13. a longitudinal chute; 14. a vertical rod; 15. a cross bar; 16. a screw motor; 17. a slide block; 18. a slide rail; 19. a lifting cylinder; 20. a guide rod; 21. a sliding cylinder; 22. a top plate; 23. a support plate; 24. a limiting bottom plate; 25. an arc-shaped plate; 26. and a water meter installation position.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a large-caliber water meter verification device comprises a water meter verification device body, wherein the water meter verification device body comprises a verification pipeline 1, the verification pipeline 1 is provided with at least one water meter clamping position 2, a meter clamping device 3 and a fixed flange 4 are respectively arranged on two sides of the water meter clamping position 2 by the verification pipeline 1, a camera 5 is arranged on the upper side of the water meter clamping position 2, the large-caliber water meter verification device further comprises a feeding conveyor 6 which is vertically arranged with the verification pipeline 1, each water meter clamping position 2 is correspondingly provided with one feeding conveyor 6, the tail end of each feeding conveyor 6 passes through the water meter clamping position 2, a plurality of water meter installation positions 26 are arranged on the feeding conveyor 6 at equal intervals, a blanking conveyor 7 is arranged on one side, close to the tail end of each feeding conveyor 6, of each feeding conveyor 6 and each blanking conveyor 7, a water meter transfer device 8 is used for transferring water meters from the feeding conveyor 6 to the blanking conveyor.
The verification pipeline 1 and the meter clamping device 3 in the verification pipeline 1 are not repeated in the prior art, and when the water meter is used, the large-caliber water meter to be detected is placed on the water meter clamping position 2 and clamped through the meter clamping device 3 on the verification pipeline 1; the verification pipeline 1 is provided with a meter clamping device 3 at one side of a water meter clamping position 2, the meter clamping device 3 is one of main matched products of the water meter verification device, one end of a telescopic pipe on the meter clamping device 3 is provided with a flange, the meter clamping device 3 drives the flange to move towards a fixed flange 4 at the other side of the water meter clamping position 2, the large-caliber water meter on the water meter clamping position 2 is further clamped, the fixed flange 4 is fixedly arranged on the verification pipeline 1, and the diameters of the flange at one end of the meter clamping device 3 and the fixed flange 4 can be slightly smaller than the diameters of flanges at two sides of the large-caliber water meter to be detected; two ends of the verification pipeline 1 are respectively connected with a water inlet pipe and a water outlet pipe; the feeding conveyor 6 is used for conveying the large-caliber water meter to be detected to the water meter clamping position 2, when the water meter is placed on the feeding conveyor 6, the water meter is placed on the water meter installation position 26 of the feeding conveyor 6, and the feeding conveyor 6 forwards conveys the water meter on the feeding conveyor 6 for a certain distance each time so as to sequentially convey the water meter on the feeding conveyor 6 to the water meter clamping position 2; when the water meter is installed, at least one water meter installation position 26 on the feeding conveyor 6 is arranged on one side, close to the blanking conveyor 7, of the verification pipeline 1, after the water meter which is verified by the water meter clamping position 2 continues to move forwards for a certain distance, the water meter is transported to the blanking conveyor 7 through the water meter transporting device 8, and when the water meter is placed on the blanking conveyor 7, the blanking conveyor 7 moves forwards for a certain distance.
According to the utility model, after the water meter is manually placed on the water meter installation position 26 of the feeding conveyor 6, verification of the water meter on the feeding conveyor 6 can be automatically completed, when the verification pipeline 1 is provided with a plurality of water meter clamping positions 2, each water meter clamping position 2 is provided with one feeding conveyor 6 and a water meter transfer device 8, so that the simultaneous verification of the plurality of water meter clamping positions 2 can be realized, the labor intensity of workers is reduced, and the verification efficiency of the large-caliber water meter can be greatly improved; proximity switches may also be installed on the meter clamping station 2 and the endmost meter mounting station 26 of the feed conveyor 6 to detect the presence or absence of a meter at that location.
The water meter transferring device 8 comprises a supporting frame, wherein the supporting frame comprises cross beams 9, two sides of which are perpendicular to the verification pipeline 1, and the cross beams 9 are supported by vertical beams 10; the sliding trolley 11 is arranged between the cross beams 9 on two sides, the sliding trolley 11 is driven by a first driving piece and slides relative to the cross beams 9, the lifting plate 12 is arranged on the top surface of the sliding trolley 11, the lifting plate 12 is driven by a second driving piece and lifts relative to the sliding trolley 11, the two sides of the top surface of the lifting plate 12 are respectively provided with a longitudinal sliding groove 13, a vertical rod 14 is inserted into the longitudinal sliding groove 13, a top plate 22 is arranged at the top of the vertical rod 14, a cross rod 15 is arranged at the bottom of the vertical rod 14, and the top plate 22 is driven by a third driving piece and slides along the longitudinal sliding grooves 13.
The first driving piece comprises a screw motor 16, sliding blocks 17 are respectively arranged on two sides of the bottom of the sliding vehicle 11, screw holes and sliding grooves are respectively formed in the sliding blocks 17, screws on the screw motor 16 penetrate through the screw holes in the sliding blocks 17, and sliding rails 18 matched with the sliding blocks 17 are respectively arranged on the top surfaces of the cross beams 9 on two sides.
The second driving piece comprises a lifting air cylinder 19 fixedly installed on the sliding vehicle 11, the top surface of a piston rod of the lifting air cylinder 19 is connected with the lifting plate 12, guide rods 20 are respectively arranged on the top surface of the sliding vehicle 11 at two sides of the lifting air cylinder 19, and the guide rods 20 penetrate through the lifting plate 12.
The third driving part comprises a sliding cylinder 21, and a piston rod of the sliding cylinder 21 is connected with a top plate 22.
The screw motor 16 is a servo motor, the screw motor 16 drives the sliding vehicle 11 to move along the cross beam 9 for a certain distance each time, and the screw motor 16 drives the sliding vehicle 11 to move through screw rotation; the piston rod on the lifting cylinder 19 drives the lifting plate 12 to lift, the lifting plate 12 can drive the vertical rod 14 and the cross rod 15 to lift, the width of the top plate 22 is larger than the width of the longitudinal sliding groove 13, and the sliding vehicle 11 is correspondingly provided with the longitudinal sliding groove 13 for the vertical rod 14 to pass through. When the water meter transferring device 8 is used, firstly, the sliding vehicle 11 is moved to the position right above the water meter installation position 26 at the tail end of the feeding conveyor 6, then the sliding cylinder 21 is started, the cross bars 15 at two sides are simultaneously inserted into the through holes at two sides of the water meter, then the lifting cylinder 19 is started, the piston rod on the lifting cylinder 19 extends upwards, the lifting plate 12 is lifted, the lifting plate 12 drives the water meter to lift a certain distance through the vertical bars 14 and the cross bars 15, then the screw motor 16 is started, the screw motor 16 drives the sliding vehicle 11 to move a certain distance to one side of the discharging conveyor 7, the sliding vehicle 11 is made to be right above the discharging conveyor 7, the lifting cylinder 19 is started again, the lifting plate 12 drives the vertical bars 14 and the cross bars 15 to descend, the water meter is made to descend to the discharging conveyor 7, the sliding cylinder 21 is started again, the piston rod on the sliding cylinder 21 pushes the cross bars 15 to move outwards, the cross bars 15 are made to move out of the through holes of the water meter, and finally the screw motor 16 is started, the sliding vehicle 11 is made to move to the position right above the water meter installation position 26 at the tail end of the feeding conveyor 6 again.
The camera 5 is mounted on the support frame through a support rod.
The camera 5 of the present utility model captures an image of the dial of the meter on the meter mounting location 26 and transmits it to the image processor.
The feeding conveyor 6 adopts a chain plate conveyor, a plurality of supporting plates 23 are arranged between chains on two sides of the chain plate conveyor at equal intervals, the middle positions of the two sides of the supporting plates 23 are respectively and fixedly connected with the chains on the two sides of the chain plate conveyor, and each supporting plate 23 is provided with a water meter installation position 26.
Limiting bottom plates 24 are respectively arranged on two sides of the supporting plate 23, and arc-shaped plates 25 are respectively arranged on two sides of the limiting bottom plates 24.
According to the utility model, the circular movement of the supporting plate 23 can be realized by arranging the chain plate conveyor, the bottoms of the flanges at the two ends of a large-caliber water meter are all provided with horizontal cuts so as to facilitate the water meter to be stably placed on the ground, and the horizontal cuts at the bottoms of the flanges of the large-caliber water meter can be well placed on the limiting bottom plate 24 by arranging the limiting bottom plate 24 at the two sides of the supporting plate 23 and arranging the arc plates 25 at the two sides of the bottom plate, so that the large-caliber water meter can be fixed, and of course, other forms of water meter limiting structures can be arranged on the supporting plate 23.
The blanking conveyor 7 adopts a belt conveyor.
According to the water meter transferring device 8 disclosed by the utility model, a proximity sensor can be arranged at the tail end of the belt conveyor to detect whether the water meter is transferred from the tail end of the belt conveyor, and when the water meter is detected, an alarm can be sent out through an alarm or the water meter transferring device stops verification work, so that workers can be ensured to collect the verified water meter on the belt conveyor in time.
The working process of the utility model comprises the following steps:
firstly, workers sequentially install water meters on water meter installation positions 26 on the upper side of a feeding conveyor 6, then start the device, start and drive a supporting plate 23 on the feeding conveyor 6 to move forwards for a certain distance, wherein the distance is the distance between two adjacent water meter installation positions 26 on the feeding conveyor 6, the water meter at the forefront end of the feeding conveyor 6 enters into a water meter clamping position 2 on a verification pipeline 1, a meter clamping device 3 clamps the water meter on the water meter clamping position 2 and then performs verification of the water meter, after verification is finished, the meter clamping device 3 is reset, the feeding conveyor 6 is restarted, the verified water meter moves forwards for a certain distance to leave the water meter clamping position 2, meanwhile, the water meter at the rear side enters into the water meter clamping position 2, after the movement of the feeding conveyor 6 is finished, the verification pipeline 1 performs verification on the water meter just entering into the water meter clamping position 2, the water meter transferring device 8 transfers the verified water meter, firstly, the sliding vehicle 11 is moved to the position right above the water meter installation position 26 at the tail end of the feeding conveyor 6 during transferring, then the sliding cylinder 21 is started, the two side cross bars 15 are simultaneously inserted into the two side through holes of the water meter, then the lifting cylinder 19 is started, the piston rod on the lifting cylinder 19 stretches out upwards, the lifting plate 12 is lifted, the lifting plate 12 drives the water meter to lift a certain distance through the vertical bars 14 and the cross bars 15, the water meter is higher than the height of the arc plate 25 on the supporting plate 23, then the screw motor 16 is started, the screw motor 16 drives the sliding vehicle 11 to move a certain distance to one side of the blanking conveyor 7 until the sliding vehicle 11 moves to the position right above the blanking conveyor 7, the lifting cylinder 19 is started, the lifting plate 12 drives the vertical bars 14 and the cross bars 15 to descend, the water meter is further lowered onto the blanking conveyor 7, the sliding cylinder 21 is started, the piston rods on the sliding cylinders 21 push the cross bars 15 on the two sides to move outwards respectively, so that the cross bars 15 move out of the through holes of the water meters, and finally the screw motor 16 is started, so that the sliding trolley 11 moves to the position right above the water meter installation position 26 at the tail end of the feeding conveyor 6 again, the water meter transfer is completed, and after the verified water meters on the feeding conveyor 7 reach a certain number, workers collect the water meters on the water meters.
Claims (9)
1. The utility model provides a heavy-calibre water gauge calibrating installation, includes the water gauge calibrating installation body, the water gauge calibrating installation body is including examining and examining pipeline (1), examining and examining pipeline (1) are equipped with at least one water gauge clamping position (2), examine and examine pipeline (1) and install respectively clamp meter ware (3) and flange (4) in the both sides of water gauge clamping position (2), water gauge clamping position (2) upside is equipped with camera (5), its characterized in that: still include with the feeding conveyer (6) that verification pipeline (1) set up perpendicularly, every water gauge presss from both sides tight position (2) and corresponds and be equipped with a feeding conveyer (6), the end of feeding conveyer (6) passes water gauge and presss from both sides tight position (2), and equidistant a plurality of water gauge installation positions (26) that are equipped with on feeding conveyer (6), be equipped with unloading conveyer (7) in the one side that verification pipeline (1) is close to feeding conveyer (6) end, all install water gauge transfer device (8) between every feeding conveyer (6) and the unloading conveyer (7), water gauge transfer device (8) are used for transferring the water gauge from feeding conveyer (6) to unloading conveyer (7).
2. The large caliber water meter verification device according to claim 1, wherein: the water meter transferring device (8) comprises a supporting frame, wherein the supporting frame comprises a cross beam (9) with two sides perpendicular to the verification pipeline (1), and the cross beam (9) is supported by a vertical beam (10); install slide car (11) between both sides crossbeam (9), slide car (11) are through first driving piece drive and relative crossbeam (9) slip, and lift plate (12) are installed to slide car (11) top surface, and lift plate (12) are through second driving piece drive and relative slide car (11) go up and down, and vertical spout (13) are seted up respectively to lift plate (12) top surface both sides, and montant (14) are inserted in vertical spout (13), roof (22) are installed at the top of montant (14), and horizontal pole (15) are installed to the bottom of montant (14), roof (22) are through third driving piece drive and follow vertical spout (13) and slide.
3. The large caliber water meter verification device according to claim 2, wherein: the first driving piece comprises a screw motor (16), sliding blocks (17) are respectively arranged on two sides of the bottom of the sliding vehicle (11), screw holes and sliding grooves are respectively formed in the sliding blocks (17), screw rods on the screw motor (16) penetrate through the screw holes in the sliding blocks (17), and sliding rails (18) matched with the sliding blocks (17) are respectively arranged on the top surfaces of the cross beams (9) on two sides.
4. The large caliber water meter verification device according to claim 2, wherein: the second driving piece comprises a lifting air cylinder (19) fixedly arranged on the sliding vehicle (11), the top surface of a piston rod of the lifting air cylinder (19) is connected with a lifting plate (12), guide rods (20) are respectively arranged on two sides of the lifting air cylinder (19) on the top surface of the sliding vehicle (11), and the guide rods (20) penetrate through the lifting plate (12).
5. The large caliber water meter verification device according to claim 2, wherein: the third driving piece comprises a sliding air cylinder (21), and a piston rod of the sliding air cylinder (21) is connected with a top plate (22).
6. The large caliber water meter verification device according to claim 2, wherein: the camera (5) is arranged on the supporting frame through the supporting rod.
7. The large caliber water meter verification device according to claim 1, wherein: the feeding conveyor (6) adopts a chain plate conveyor, a plurality of supporting plates (23) are installed between chains on two sides of the chain plate conveyor at equal intervals, the middle positions of two sides of the supporting plates (23) are respectively fixedly connected with the chains on two sides of the chain plate conveyor, and each supporting plate (23) is provided with a water meter installation position (26).
8. The large caliber water meter verification device according to claim 7, wherein: limiting bottom plates (24) are respectively arranged on two sides of the supporting plate (23), and arc-shaped plates (25) are respectively arranged on two sides of the limiting bottom plates (24).
9. The large caliber water meter verification device according to claim 1, wherein: the blanking conveyor (7) adopts a belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321117279.2U CN219830047U (en) | 2023-05-11 | 2023-05-11 | Large-caliber water meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321117279.2U CN219830047U (en) | 2023-05-11 | 2023-05-11 | Large-caliber water meter calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830047U true CN219830047U (en) | 2023-10-13 |
Family
ID=88247846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321117279.2U Active CN219830047U (en) | 2023-05-11 | 2023-05-11 | Large-caliber water meter calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830047U (en) |
-
2023
- 2023-05-11 CN CN202321117279.2U patent/CN219830047U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiuzhai Inventor after: Zhang Shaoling Inventor after: Yu Yu Inventor after: Wang Feng Inventor before: Yu Yu Inventor before: Wang Feng |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240528 Address after: 300280 Tianjin Binhai New Area Dagang Oilfield Chengxin North Lane 16-2-702 Patentee after: Zhang Xiuzhai Country or region after: China Patentee after: Zhang Shaoling Address before: 277700 In the yard of the Lanling County Public Welfare Vegetable Wholesale Market, Chengqian Village and Fengxiagou Village, Xiangcheng Town, Lanling County, Linyi, Shandong Province Patentee before: Lanling County inspection and Testing Center Country or region before: China |
|
| TR01 | Transfer of patent right |