CN106239320B - Sucker rod special purpose grinder - Google Patents
Sucker rod special purpose grinder Download PDFInfo
- Publication number
- CN106239320B CN106239320B CN201610566102.9A CN201610566102A CN106239320B CN 106239320 B CN106239320 B CN 106239320B CN 201610566102 A CN201610566102 A CN 201610566102A CN 106239320 B CN106239320 B CN 106239320B
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- axis
- gear
- shell
- belt
- belt pulley
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
Abstract
The invention discloses a kind of sucker rod special purpose grinders, belong to petroleum machinery pumping unit equipment technical field, shell is round platform shell hollow made of metal, circle upper, middle and lower are respectively equipped with the arc chute of installation ball in shell, hull outside upper end is linked up with equipped with steel wire rope, and hull outside upper end is equipped with opening two；Hull outside is equipped with vertical machine one, vertical machine two and worm-gear speed reducer respectively, and one lower end of vertical machine is equipped with belt pulley one, and two lower end of vertical machine is equipped with belt pulley three；One shaft end of worm-gear speed reducer is equipped with wire rope drum；Revolution gear axis is cavity, upper end is equipped with opening one, upper and lower sides outer end is respectively equipped with the arc chute of installation ball, it is slidably connected by ball and shell, external toothing is equipped among revolution gear axis, revolution gear axis upper end is respectively equipped with setting-up eccentricity block and installs the axis hole of power output shaft, and eccentric block is mounted on the upper end of revolution gear axis by wobbler shaft, and eccentric block upper end is equipped with tensioning wheel.
Description
Technical field
The present invention relates to a kind of sucker rod special purpose grinders, belong to petroleum machinery pumping unit equipment technical field.
Background technology
Existing Self sucking machine, the packing inside the packing box of well head part is combined closely with sucker rod, to seal
The water, oil, gas of high pressure inside well head.Since sucker rod ceaselessly moves back and forth, the frictional force between packing and sucker rod makes pumping
Beam hanger is constantly worn, and adds the erosion of dust storm and chemical substance to sucker rod, and sucker rod surface is made to become thickness unevenness, erosion
Point is full of stains or spots.Simultaneously because the variation of oil reservoir, needs to join sucker rod tune, the depth of sucker rod dive is exactly adjusted, can take out
To the oil gas of different oil reservoirs, significantly there are two kinds of sizes after being promoted in the sucker rod after adjustment：One section is worn out relatively thin
Part, another section is the thicker part that do not wear.Even more serious situation is realized to wellhead sealing together with packing
That section of sucker rod, corrosion is serious and thickness is uneven.Since sucker rod day and night ceaselessly moves back and forth, packing can follow the string,
The sucker rod of thicker part point will make packing distending be led directly to ambient atmosphere in well, oil leak, leak, gas leak phenomenon occur.It is rotten
The point of erosion can also take water, oil, gas to outside and come.Economic loss is not only directly brought, while affecting the civilization in oil field
Production.Traditional solution, when replacing packing and also can not solve leak, oil leak, leakage problem, the pumping that just must more renew
Beam hanger.And a new sucker rod is replaced, the expense for not including oil well halt production is exactly more than 9000 yuan, along with oil well halt production causes
Loss be exactly tens of thousands of members.Annual every mouthful of oil well replaces sucker rod twice, and every direct economic cost is exactly 20,000 yuan or so,
By taking grand celebration as an example：It is exactly 200,000,000 yuans to have 10,000 mouthfuls of oil wells, direct economic cost.The oil field in the whole nation is replaced sucker rod and is taken
It is just quite surprising with expenditure and production suspension induced losses.
Invention content
In order to overcome above-mentioned technical deficiency, the present invention to provide a kind of sucker rod special purpose grinder, the sucker rod Special grinding
Bed installation at the scene, top dead-centre is parked in pumping unit, to being exposed to outside well head, realizes the sucker rod with wellhead sealing part
Part carries out grinding reparation.
Technical solution is used by this practicality invention solves its technical problem：Its structure of sucker rod special purpose grinder is：Shell
Body is the hollow round platform shell made of metal, and circle upper, middle and lower are respectively equipped with the arc-shaped cunning of installation ball in shell
Slot, hull outside upper end are linked up with equipped with steel wire rope, and hull outside upper end is equipped with opening two；Hull outside is equipped with vertical machine respectively
One, vertical machine two and worm-gear speed reducer, one lower end of vertical machine are equipped with belt pulley one, and two lower end of vertical machine is equipped with skin
Belt wheel three；One shaft end of worm-gear speed reducer is equipped with wire rope drum, and another shaft end is equipped with belt pulley four；Case inside with it is vertical
Two corresponding position of motor is equipped with an axis, and an axis upper and lower side is slidably connected shell by bearing, and rotation power is equipped among an axis
Gear, an axis lower end are equipped with belt pulley two, and belt pulley two connects belt pulley three by belt；Case inside is a pair of with vertical machine
The position answered is equipped with two axis, and revolution power gear is equipped among two axis, and lower end is equipped with two-groove belt pulley；The upper slot of two-groove belt pulley
Belt pulley one is connected by belt, lower slot passes through the belt pulley four on triangle band connection worm-gear speed reducer；Revolution gear axis
For cavity, upper end is equipped with opening one, and upper and lower sides outer end is respectively equipped with the arc chute of installation ball, is slided by ball and shell
Dynamic connection, revolution gear axis centre are equipped with external toothing, and revolution gear axis upper end is respectively equipped with axis hole and the installation of setting-up eccentricity block
The axis hole of power output shaft, eccentric block are mounted on the upper end of revolution gear axis by wobbler shaft, and eccentric block upper end is equipped with tensioning
Wheel, tensioning wheel upper end are equipped with grinding belt wheel；Power output shaft upper end is mounted on the upper end of revolution gear axis, power output by bearing
Axis lower end is mounted on revolution gear axis lower end by bearing, and rotation power output gear, lower end peace are equipped among power output shaft
There is grinding belt wheel；Revolution gear axis lower end is equipped with the axis hole of setting-up eccentricity block, and eccentric block is mounted on revolution gear by wobbler shaft
The lower end of axis, eccentric block upper end are equipped with tensioning wheel, and tensioning wheel upper end is equipped with grinding belt wheel；The grinding belt wheel of power output shaft upper end with
The grinding belt wheel of bearing up pulley upper end is connected by grinding belt；The grinding belt wheel of power output shaft lower end passes through grinding belt with the grinding belt wheel on tensioning wheel
Connection；Case inside lower end is equipped with rotating gear axis by ball, and ring gear and outer is respectively equipped with inside and outside rotating gear axis upper end
Gear ring, ring gear are engaged with rotation power output gear, and external toothing is engaged with rotation power gear；Revolution gear axis center hole with
Positioning sleeve is equipped among sucker rod；Grinding machine auxiliary frame is：Pulley hanging plate lower end is respectively equipped with fixed pulley, the cunning among two fixed pulleys
It takes turns hanging plate and is equipped with hanging plate positioning sleeve, hanging plate positioning sleeve both ends are equipped with fastening bolt.
The beneficial effects of the invention are as follows：This sucker rod special purpose grinder is realized the case where being changed without sucker rod, not stopping production
Under, sucker rod is parked in top dead-centre, steel wire rope hanging plate is fixed on sucker rod topmost, and grinding machine is sleeved on sucker rod by positioning sleeve
On, grinding machine is coaxial with sucker rod, is connect sucker rod grinding machine with steel wire rope hanging plate by steel wire rope, starts vertical machine two successively
With vertical machine one, grinding belt realizes that main story and reversion, the steel on deceleration machine cylinder may be implemented in rotation and revolution, speed reducer simultaneously
Cord drives grinding machine to pump, and grinding reparation is directly carried out to participating in the part sucker rod of erosion corrosion of sealing,
Keep its surface thickness consistent, it is bright such as new, the sealing to well head is realized together with packing；Sucker rod after grinding can obtain
0.8 surface roughness.
Description of the drawings
Fig. 1 is sucker rod special purpose grinder structural schematic diagram of the present invention.
Fig. 2 is sucker rod special purpose grinder operating diagram of the present invention.
Fig. 3 is sucker rod special purpose grinder motor of the present invention, speed reducer arrangement schematic top plan view.
1, shell in figure, 2, bearing, 3, one axis, 4, ball, 5, revolution gear axis, 6, eccentric block, 7, tensioning wheel, 8, mill
Band, 9, power output shaft, 10, two axis, 11, revolution power gear, 12, vertical machine one, 13, belt pulley one, 14, V-belt,
15, two-groove belt pulley, 16, rotating gear axis, 17, rotation power output gear, 18, positioning sleeve, 19, belt pulley two, 20, rotation
Power gear, 21, vertical machine two, 22, belt pulley three, 23, V-belt, 24, belt pulley four, 25, worm-gear speed reducer,
26, wire rope drum, 27, steel wire rope, 28, fixed pulley, 29, pulley hanging plate, 30, hanging plate positioning sleeve, 31, sucker rod, 32, steel wire
Rope hook, 33, opening one, 34, opening two, 35, briquetting.
Specific implementation mode
The present invention is further described with embodiment below in conjunction with the accompanying drawings
As shown in Figure 1-Figure 3, its structure of sucker rod special purpose grinder is：Shell 1 is the hollow round platform shell made of metal
Body, circle upper, middle and lower are respectively equipped with the arc chute of installation ball in shell 1, and 1 outer upper end of shell is equipped with steel wire rope extension
Hook 32,1 outer upper end of shell are equipped with opening 2 34；1 outside of shell is equipped with vertical machine 1, vertical machine 2 21 and snail respectively
Worm and gear speed reducer 25, one 12 lower end of vertical machine are equipped with belt pulley 1, and 2 21 lower end of vertical machine is equipped with belt pulley 3 22；
25 1 shaft end of worm-gear speed reducer is equipped with wire rope drum 26, and another shaft end is equipped with belt pulley 4 24；The inside of shell 1 with it is vertical
2 21 corresponding position of motor is equipped with an axis 3, and 3 upper and lower side of an axis is slidably connected shell 1 by bearing 2, among an axis 3 equipped with from
Powershift gear 20 is rotated, 3 lower end of an axis is equipped with belt pulley 2 19, and belt pulley 2 19 connects belt pulley 3 22 by belt；In shell 1
Side position corresponding with vertical machine 1 is equipped with two axis 10, is equipped with double equipped with revolution power gear 11, lower end among two axis 10
Slot belt pulley 15；The upper slot of two-groove belt pulley 15 connects belt pulley 1 by belt, and lower slot connects worm gear by V-belt 23
Belt pulley 4 24 on worm decelerating machine 25；Revolution gear axis 5 is cavity, and upper end is equipped with opening 1, upper and lower sides outer end difference
Arc chute equipped with installation ball, is slidably connected by ball 4 and shell 1, and external toothing is equipped among revolution gear axis 5,
5 upper end of revolution gear axis is respectively equipped with the axis hole of the axis hole and installation power output shaft 9 of setting-up eccentricity block 6, and eccentric block 6 is by inclined
Heart block axis is mounted on the upper end of revolution gear axis 5, and 6 upper end of eccentric block is equipped with tensioning wheel 7, and 7 upper end of tensioning wheel is equipped with grinding belt wheel；It is dynamic
9 upper end of power output shaft is mounted on the upper end of revolution gear axis 5 by bearing, and 9 lower end of power output shaft is mounted on public affairs by bearing
5 lower end of rotating disk axis, 9 centre of power output shaft are equipped with rotation power output gear 17, and lower end is equipped with grinding belt wheel；Revolution gear axis
5 lower ends are equipped with the axis hole of setting-up eccentricity block, and eccentric block is by wobbler shaft on the lower end of revolution gear axis 5, eccentric block
End is equipped with tensioning wheel, and tensioning wheel upper end is equipped with grinding belt wheel；The grinding belt of the grinding belt wheel and 7 upper end of tensioning wheel of 9 upper end of power output shaft
Wheel is connected by grinding belt 8；The grinding belt wheel of 9 lower end of power output shaft is connect with the grinding belt wheel on tensioning wheel by grinding belt；In shell 1
Side lower end is equipped with rotating gear axis 16 by ball, and rotating gear axis is respectively equipped with ring gear and external toothing inside and outside 16 upper end, interior
Gear ring is engaged with rotation power output gear 17, and external toothing is engaged with rotation power gear 20；5 centre bore of revolution gear axis and pumping
Positioning sleeve 18 is equipped among beam hanger；Grinding machine polished rod eye auxiliary frame is：29 lower end of pulley hanging plate is respectively equipped with fixed pulley 28, and two is fixed sliding
Pulley hanging plate 29 among wheel 28 is equipped with hanging plate positioning sleeve 30, and 30 both ends of hanging plate positioning sleeve are equipped with fastening bolt.
In use, sucker rod is parked in bottom dead centre, hanging plate positioning sleeve 30, which is fixed on sucker rod 31, is close to polished rod eye in the following, subtracting
Steel wire rope 27 on fast machine 25 passes through the fixed pulley 28 on hanging plate 29, hangs on the hook 32 above outer housing 1, steel wire rope is put into
Long enough starts pumping unit, and sucker rod, which is moved to top dead-centre, to be stopped, and starts vertical machine 1 and belt pulley 13 is driven to rotate,
Belt pulley 13 drives worm-gear speed reducer 25 to rotate by V-belt, and speed reducer drives wire rope drum 26 to rotate, and lifts pumping
Beam hanger grinding machine stops vertical machine 1 to above packing box, opens outer housing successively, rotating gear, upper in revolution gear
Sucker rod grinding machine is sleeved on sucker rod polished rod 31 by notch, loads onto ball, install pressing plate 35, by notch by lower platen 35
Reduction ensures that grinding machine is coaxial with sucker rod by positioning sleeve 18, installs lower grinding belt 8, the tensioning of grinding belt is adjusted by tensioning wheel 7
Degree starts vertical machine 2 21 and power is passed to belt pulley 19, power is passed to one by belt pulley 19 by belt pulley 22, belt
Axis 3, rotation power gear 20, rotation power gear 20 drive rotating gear axis 16 to rotate, and rotating gear axis 16 drives autorotation
Power output gear 17 rotates, and gear 17 drives power output shaft 9 to rotate by flat key, then the pine of grinding belt 8 is adjusted by tensioning wheel 7
Tightness, grinding belt are close to 31 high speed rotation of oil well polished rod, are ground to polished rod 31；Start vertical machine 1, belt pulley 13 revolves
Turn, drive two-groove belt pulley 15 to rotate by V-belt 14, by the transmission of flat key, makes 11 turns two axis 10, revolution of power gear
Dynamic, revolution power gear 11 is engaged with revolution gear axis 5, the rotation of revolution gear axis 5, drive power output shaft 9 installed above,
Tensioning wheel 7 revolves round the sun around oil well polished rod 31, surrounds polished rod while thereby realizing grinding belt rotation again and revolves round the sun, real to polished rod 31
Existing peripheral grinding, belt pulley 15 drive worm type of reduction gearing 25 to rotate by V-belt 23, and wire rope drum 26 rotates, and passes through
The positive and negative rotation of vertical machine 1 is adjusted, steel wire rope pulls grinding machine to pump, is ground to sucker rod, makes sucker rod
31 even thickness being not only ground, moreover it is possible to obtain very high surface roughness.
Claims (1)
1. a kind of sucker rod special purpose grinder, it is characterized in that：Shell (1) is the hollow round platform shell made of metal, shell (1)
Interior circle upper, middle and lower are respectively equipped with the arc chute of installation ball, and shell (1) outer upper end is equipped with steel wire rope and links up with (32),
Shell (1) outer upper end is equipped with two (34) of opening；Vertical machine one (12), vertical machine two are equipped on the outside of shell (1) respectively
(21) and worm-gear speed reducer (25), vertical machine one (12) lower end is equipped with belt pulley one (13), under vertical machine two (21)
End is equipped with belt pulley three (22)；(25) one shaft end of worm-gear speed reducer is equipped with wire rope drum (26), and another shaft end is equipped with skin
Belt wheel four (24)；Position corresponding with vertical machine two (21) is equipped with an axis (3) on the inside of shell (1), and an axis (3) upper and lower side passes through
Bearing (2) is slidably connected shell (1), and rotation power gear (20) is equipped among an axis (3), and an axis (3) lower end is equipped with belt pulley
Two (19), belt pulley two (19) connect belt pulley three (22) by belt；It is corresponding with vertical machine one (12) on the inside of shell (1)
Position is equipped with two axis (10), and revolution power gear (11) is equipped among two axis (10), and lower end is equipped with two-groove belt pulley (15)；Double flute
The upper slot of belt pulley (15) connects belt pulley one (13) by belt, and lower slot connects worm-gear speed reducer by V-belt (23)
(25) belt pulley four (24) on；Revolution gear axis (5) is cavity, and upper end is equipped with one (33) of opening, and upper and lower sides outer end is set respectively
The arc chute for having installation ball, is slidably connected by ball (4) and shell (1), and external tooth is equipped among revolution gear axis (5)
Circle, revolution gear axis (5) upper end is respectively equipped with the axis hole of the axis hole and installation power output shaft (9) of setting-up eccentricity block (6), eccentric
Block (6) is mounted on the upper end of revolution gear axis (5) by wobbler shaft, and eccentric block (6) upper end is equipped with tensioning wheel (7), tensioning wheel
(7) upper end is equipped with grinding belt wheel；Power output shaft (9) upper end is mounted on the upper end of revolution gear axis (5), power output by bearing
Axis (9) lower end is mounted on revolution gear axis (5) lower end by bearing, and rotation power output gear is equipped among power output shaft (9)
It takes turns (17), lower end is equipped with grinding belt wheel；Revolution gear axis (5) lower end is equipped with the axis hole of setting-up eccentricity block, and eccentric block passes through eccentric block
Axis is mounted on the lower end of revolution gear axis (5), and eccentric block upper end is equipped with tensioning wheel, and tensioning wheel upper end is equipped with grinding belt wheel；Power is defeated
The grinding belt wheel of shaft (9) upper end is connect with the grinding belt wheel of tensioning wheel (7) upper end by grinding belt (8)；Power output shaft (9) lower end
Grinding belt wheel is connect with the grinding belt wheel on tensioning wheel by grinding belt；Shell (1) inside lower end is equipped with rotating gear axis by ball
(16), ring gear and external toothing, ring gear and rotation power output gear are respectively equipped with inside and outside rotating gear axis (16) upper end
(17) it engages, external toothing is engaged with rotation power gear (20)；Positioning is equipped among revolution gear axis (5) centre bore and sucker rod
It covers (18)；Grinding machine polished rod eye auxiliary frame is：Pulley hanging plate (29) lower end is respectively equipped with fixed pulley (28), and two fixed pulleys (28) are intermediate
Pulley hanging plate (29) be equipped with hanging plate positioning sleeve (30), hanging plate positioning sleeve (30) both ends be equipped with fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566102.9A CN106239320B (en) | 2016-07-10 | 2016-07-10 | Sucker rod special purpose grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566102.9A CN106239320B (en) | 2016-07-10 | 2016-07-10 | Sucker rod special purpose grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106239320A CN106239320A (en) | 2016-12-21 |
| CN106239320B true CN106239320B (en) | 2018-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610566102.9A Active CN106239320B (en) | 2016-07-10 | 2016-07-10 | Sucker rod special purpose grinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN106239320B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000256A (en) * | 2018-01-30 | 2018-05-08 | 洛阳理工学院 | A kind of bar grinding attachment of elongated shaft-like work |
| CN109025882B (en) * | 2018-08-24 | 2023-10-27 | 西安石油大学 | Downhole positive and negative couple grinding tool and method |
| CN112963113A (en) * | 2021-02-05 | 2021-06-15 | 东营市昌瑞石油机械配件有限责任公司 | Polish rod sealer with automatic tightening device |
| CN112847058B (en) * | 2021-02-05 | 2023-06-30 | 东莞市启航精密五金制品有限公司 | Grinding machine for curved surface machining |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR710607A (en) * | 1930-02-08 | 1931-08-27 | Skf Svenska Kullagerfab Ab | Improvements to advance mechanisms for machine tools |
| CN2041605U (en) * | 1988-12-02 | 1989-07-26 | 山东省鱼台县阀门厂 | Finishing machine for valve clack |
| CN201009155Y (en) * | 2007-03-07 | 2008-01-23 | 吐哈石油勘探开发指挥部机械厂 | Sucker rod polished rod polishing apparatus |
| CN201427269Y (en) * | 2009-06-15 | 2010-03-24 | 邵峰 | Polisher for polished rods of pumping units |
| CN204036206U (en) * | 2014-09-12 | 2014-12-24 | 张坚 | Sucker rod special purpose grinder |
| CN204135869U (en) * | 2014-09-26 | 2015-02-04 | 大唐林州热电有限责任公司 | Counter weight type steam turbine steam guiding tube grinding device for flange |
| CN104759955B (en) * | 2015-02-10 | 2016-09-21 | 大庆因你美丽机械设备制造有限公司 | Polished rod polished machine |
-
2016
- 2016-07-10 CN CN201610566102.9A patent/CN106239320B/en active Active
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| CN106239320A (en) | 2016-12-21 |
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Effective date of registration: 20200724 Address after: 161000 Heilongjiang Qiqihar railway engineering school, No.34 gongxiao street, Tiefeng District, Qiqihar City, Heilongjiang Province Patentee after: Qiqihar peace Technology Co., Ltd Address before: 161006, room 2, building 55, building 291, lakeside road, West Bridge Street, Jianhua bridge, Jianhua District, Heilongjiang, Qigihar Patentee before: Zhang Jian |
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Effective date of registration: 20200820 Address after: 161000, room 2, building 55, building 291, lakeside road, West Bridge Street, Jianhua bridge, Jianhua District, Heilongjiang, Qigihar Patentee after: Zhang Jian Address before: 161000 Heilongjiang Qiqihar railway engineering school, No.34 gongxiao street, Tiefeng District, Qiqihar City, Heilongjiang Province Patentee before: Qiqihar peace Technology Co., Ltd |
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Effective date of registration: 20210121 Address after: 161000 Room 301, unit 4, building 40, East Zhonghua Road community, Jianhua District, Qiqihar City, Heilongjiang Province Patentee after: Cui Yongjin Address before: 161000 room 291, unit 2, building 55, Hupan home, sightseeing Road, xidaqiao street, Jianhua District, Qiqihar City, Heilongjiang Province Patentee before: Zhang Jian |