CN209020883U - A kind of cleaning device of well drilling pipe - Google Patents
A kind of cleaning device of well drilling pipe Download PDFInfo
- Publication number
- CN209020883U CN209020883U CN201821220844.7U CN201821220844U CN209020883U CN 209020883 U CN209020883 U CN 209020883U CN 201821220844 U CN201821220844 U CN 201821220844U CN 209020883 U CN209020883 U CN 209020883U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- multiple groups
- drilling pipe
- support rod
- cleaning case
- 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 - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 155
- 238000005553 drilling Methods 0.000 title claims abstract description 70
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to the technical fields of drilling pipe cleaning device, more particularly to a kind of cleaning device of well drilling pipe；Including cleaning case, multiple groups front support rod, multiple groups back support rod, multiple groups idler wheel and two groups of conveying doors, cleaning case is internally provided with cleaning placed cavity, and it is provided with cleaning at the top of cleaning case and picks and places mouth, multiple groups idler wheel is rotatably connected respectively at the top of multiple groups front support rod and at the top of multiple groups back support rod, and drilling pipe is provided with and communicated on cleaning case left side wall and picks and places mouth；It further include supporting plate, bracket, rotary electric machine, shaft coupling, rotating bar, spiral cleaning piece, refuse collecting case and replaceable filter screen, the output end of rotary electric machine passes through cleaning case right side wall and stretches to inside cleaning placed cavity, refuse collecting mouth is provided with and communicated on cleaning case downside wall, refuse collecting case is internally provided with sundries placed cavity, and refuse collecting box top is provided with and communicated with sundries and picks and places mouth, refuse collecting box top is connected at the refuse collecting mouth of cleaning case bottom.
Description
Technical field
The utility model relates to the technical field of drilling pipe cleaning device, the cleaning more particularly to a kind of well drilling pipe is filled
It sets.
Background technique
It is well known that a kind of cleaning device of well drilling pipe is a kind of device for being cleaned to well drilling pipe,
It is widely used in a variety of applications in the field of drilling pipe cleaning device；The cleaning device of existing well drilling pipe includes force (forcing) pump and clear
Hose is washed, pressurization output end is provided on force (forcing) pump, washing hose one end is connected to pressurization output end, the setting of the cleaning pipe other end
There is spray head；Cleaning solution is delivered to clearly by the cleaning device of existing well drilling pipe using when by force (forcing) pump by the output end that pressurizes
Inside hose is washed, well drilling pipe is cleared up by spray head, force (forcing) pump is the common electrical part in market, when buying back use only
Need to be electrically connected to specifications can carry out using therefore details are not described herein；In the cleaning device use of existing well drilling pipe
It was found that cleaning well drilling pipe needs a large amount of cleaning solutions；And spray head is difficult to clear up middle part in well drilling pipe.
Utility model content
In order to solve the above technical problems, the utility model, which provides one kind, can recycle cleaning solution；And to well drilling pipe
The cleaning device for the well drilling pipe that inside can be cleared up.
The cleaning device of the well drilling pipe of the utility model, including cleaning case, multiple groups front support rod, multiple groups back support rod,
Multiple groups idler wheel and two groups of conveying doors, cleaning case are internally provided with cleaning placed cavity, and are provided with cleaning at the top of cleaning case and pick and place mouth,
Multiple groups front support rod bottom and multiple groups back support rod bottom are both connected in cleaning case on downside wall, and multiple groups idler wheel can be rotated respectively
It is connected at the top of multiple groups front support rod and at the top of multiple groups back support rod, multiple groups front support rod, which is uniformly distributed, is connected to bottom in cleaning case
Side wall front, multiple groups back support rod are located at multiple groups front support rod dead astern, are provided with and communicated with drilling pipe on cleaning case left side wall
Mouth is picked and placed, two groups of conveying doors are respectively hinged at front side and the rear side that drilling pipe picks and places mouth；It further include supporting plate, bracket, rotary electric machine, connection
Axis device, rotating bar, spiral cleaning piece, refuse collecting case and replaceable filter screen are connected to cleaning case right side wall on the left of supporting plate
Bottom, frame bottom are connected to the top of supporting plate, and the bottom of rotary electric machine is connected to the top of bracket, the output end of rotary electric machine
It is stretched to inside cleaning placed cavity across cleaning case right side wall, coupling right side is wrapped on the outside of motor output end, and shaft coupling is left
Side is wrapped on the outside of rotating bar right end, and spiral cleaning piece is wrapped on rotating bar lateral wall, and setting is connected on cleaning case downside wall
There is refuse collecting mouth, refuse collecting case is internally provided with sundries placed cavity, and refuse collecting box top is provided with and communicated with sundries and takes
Put mouth, refuse collecting box top is connected at the refuse collecting mouth of cleaning case bottom, the front side wall of replaceable filter screen, downside wall and
Rear wall is connected on front side wall in cleaning case, interior downside wall and interior rear wall, and replaceable filter screen is located at sundries receipts
Collect on the right side of mouth.
The cleaning device of the well drilling pipe of the utility model, further includes sundries door, and refuse collecting case front side wall is provided with miscellaneous
Object outlet, sundries door are hinged at miscellaneous object outlet.
The cleaning device of the well drilling pipe of the utility model, further includes right baffle-plate, and right baffle-plate is connected to drilling pipe and picks and places mouth bottom
Portion.
The cleaning device of the well drilling pipe of the utility model, further includes two groups of flap shutters, and two groups of flap shutters are cut with scissors respectively
Connect the left and right side of the downside wall refuse collecting mouth in cleaning case.
The cleaning device of the well drilling pipe of the utility model, two groups of conveying doors, sundries door and two groups of flap shutter side walls are equal
It is provided with sealing strip.
The cleaning device of the well drilling pipe of the utility model is provided with resilient cushion at rotary electric machine and bracket.
The cleaning device of the well drilling pipe of the utility model, rotary electric machine outside are provided with shield.
The cleaning device of the well drilling pipe of the utility model is provided with handle on two groups of conveying doors and sundries door.
The cleaning device of the well drilling pipe of the utility model further includes multiple groups supporting leg, is connected to cleaning at the top of multiple groups supporting leg
Bottom portion.
Compared with prior art the utility model has the following beneficial effects: being cleaned by cleaning case to well drilling pipe, lead to
It crosses multiple groups front support rod and multiple groups back support rod is supported multiple groups idler wheel, pass through multiple groups front support rod and multiple groups back support rod
Cooperation well drilling pipe can be supported, well drilling pipe can be made in cleaning case inner rotation by multiple groups idler wheel, thus
One week of well drilling pipe can all be cleared up, cleaning solution, which need to only pour into cleaning placed cavity, can carry out multiple groups well drilling pipe
Cleaning；Rotary electric machine can be supported by bracket with supporting support by supporting plate, rotary electric machine can band by shaft coupling
Turn lever is rotated, so that spiral cleaning plate be driven to clear up well inside drill pipe, can be convenient by shaft coupling
Cleaning solution is delivered to left side by right side by spiral cleaning plate, since liquid level difference cleaning solution is by cleaning case by the dismounting of rotating bar
Left side flow direction right side, can be fallen filtering foreign by replaceable filter screen, since gravity sundries passes through refuse collecting mouth
It drops down onto sundries placed cavity, sundries is collected by refuse collecting case, rotary electric machine is the common electrical part in market, and buying back makes
Used time, which only needs to be electrically connected to specifications, can carry out using therefore details are not described herein.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is front support rod, connection schematic diagram at back support rod and idler wheel；
It is attached marked in the figure: 1, cleaning case；2, front support rod；3, back support rod；4, idler wheel；5, door is conveyed；6, supporting plate；7, it props up
Frame；8, rotary electric machine；9, shaft coupling；10, rotating bar；11, spiral cleaning piece；12, refuse collecting case；13, replaceable filter screen；
14, sundries door；15, right baffle-plate；16, flap shutter；17, supporting leg.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As depicted in figs. 1 and 2, the cleaning device of the well drilling pipe of the utility model, including cleaning case 1, multiple groups front support
Bar 2, multiple groups back support rod 3, multiple groups idler wheel 4 and two groups of conveying doors 5, cleaning case are internally provided with cleaning placed cavity, and cleaning case
Top is provided with cleaning and picks and places mouth, and multiple groups front support rod bottom and multiple groups back support rod bottom are both connected to downside wall in cleaning case
On, multiple groups idler wheel is rotatably connected respectively at the top of multiple groups front support rod and at the top of multiple groups back support rod, and multiple groups front support rod is equal
Even distribution is connected to downside wall front in cleaning case, and multiple groups back support rod is located at multiple groups front support rod dead astern, cleaning case
It is provided with and communicated with drilling pipe on left side wall and picks and places mouth, two groups of conveying doors are respectively hinged at front side and the rear side that drilling pipe picks and places mouth；Also wrap
Include supporting plate 6, bracket 7, rotary electric machine 8, shaft coupling 9, rotating bar 10, spiral cleaning piece 11, refuse collecting case 12 and replaceable mistake
Strainer 13 is connected to cleaning case right side wall bottom on the left of supporting plate, and frame bottom is connected to the top of supporting plate, the bottom of rotary electric machine
Portion is connected to the top of bracket, and the output end of rotary electric machine passes through cleaning case right side wall and stretches to inside cleaning placed cavity, shaft coupling
Device right side wrap is on the outside of motor output end, and on the outside of rotating bar right end, spiral cleaning piece is wrapped in be turned shaft coupling left side wrap
On lever lateral wall, refuse collecting mouth is provided with and communicated on cleaning case downside wall, refuse collecting case is internally provided with sundries placement
Chamber, and refuse collecting box top is provided with and communicated with sundries and picks and places mouth, refuse collecting box top is connected to cleaning case bottom sundries receipts
At Ji Kou, front side wall, downside wall and the rear wall of replaceable filter screen be connected to front side wall in cleaning case, interior downside wall and
On interior rear wall, and replaceable filter screen is located on the right side of refuse collecting mouth；Well drilling pipe is cleaned by cleaning case, is passed through
Multiple groups front support rod and multiple groups back support rod are supported multiple groups idler wheel, pass through multiple groups front support rod and multiple groups back support rod
Cooperation can be supported well drilling pipe, well drilling pipe can be made in cleaning case inner rotation by multiple groups idler wheel, thus right
One week of well drilling pipe can all be cleared up, and cleaning solution, which need to only pour into cleaning placed cavity, can carry out the clear of multiple groups well drilling pipe
Reason；Rotary electric machine can be supported by bracket with supporting support by supporting plate, rotary electric machine can be driven by shaft coupling
Rotating bar is rotated, so that spiral cleaning plate be driven to clear up well inside drill pipe, be can be convenient and is turned by shaft coupling
Cleaning solution is delivered to left side by right side by spiral cleaning plate, since liquid level difference cleaning solution is by a cleaning case left side by the dismounting of lever
Effluent to the right, can be fallen filtering foreign by replaceable filter screen, since gravity sundries is fallen by refuse collecting mouth
To sundries placed cavity, sundries is collected by refuse collecting case, rotary electric machine is the common electrical part in market, buys back use
When only need to be electrically connected to specifications and can carry out using therefore details are not described herein.
The cleaning device of the well drilling pipe of the utility model, further includes sundries door 14, and refuse collecting case front side wall is provided with
Miscellaneous object outlet, sundries door are hinged at miscellaneous object outlet；The sundries that refuse collecting case is collected can be carried out by opening sundries door
Cleaning.
The cleaning device of the well drilling pipe of the utility model, further includes right baffle-plate 15, and right baffle-plate is connected to drilling pipe and picks and places mouth
Bottom；It can prevent cleaning solution from leaking on the left of cleaning case by left blend stop.
The cleaning device of the well drilling pipe of the utility model further includes two groups of flap shutters 16, two groups of flap shutter difference
It is hinged on the left and right side of downside wall refuse collecting mouth in cleaning case；Sundries in refuse collecting case is taken out when opening sundries door
When, rotating two groups of flap shutters respectively can prevent cleaning case cleaning liquid inside to be lost, and economize on resources.
The cleaning device of the well drilling pipe of the utility model, two groups of conveying doors, sundries door and two groups of flap shutter side walls are equal
It is provided with sealing strip；The leakage of cleaning solution can be prevented by sealing strip.
The cleaning device of the well drilling pipe of the utility model is provided with resilient cushion at rotary electric machine and bracket；Pass through damping
Pad can reduce the vibration of rotary electric machine.
The cleaning device of the well drilling pipe of the utility model, rotary electric machine outside are provided with shield；It can by shield
To prevent cleaning solution from splashing in rotary electric machine, rotary electric machine is damaged.
The cleaning device of the well drilling pipe of the utility model is provided with handle on two groups of conveying doors and sundries door；Pass through
Multiple groups handle can facilitate the opening and closing to two groups of conveying doors and sundries door respectively.
The cleaning device of the well drilling pipe of the utility model further includes multiple groups supporting leg 17, is connected at the top of multiple groups supporting leg clear
Tank-washer bottom；Cleaning case can be supported by multiple groups supporting leg.
The cleaning device of the well drilling pipe of the utility model carries out well drilling pipe by cleaning case clear at work
It washes, multiple groups idler wheel is supported by multiple groups front support rod and multiple groups back support rod, after multiple groups front support rod and multiple groups
The cooperation of support rod can be supported well drilling pipe, well drilling pipe can be made to turn inside cleaning case by multiple groups idler wheel
Dynamic, to can all clear up one week of well drilling pipe, cleaning solution, which need to only pour into cleaning placed cavity, can carry out multiple groups water
The cleaning of well drilling pipe；Rotary electric machine can be supported by bracket, rotary electric machine passes through shaft coupling with supporting support by supporting plate
Device can drive rotating bar to be rotated, so that spiral cleaning plate be driven to clear up well inside drill pipe, pass through shaft coupling
Cleaning solution is delivered to left side by right side by spiral cleaning plate, due to liquid level difference cleaning solution by the dismounting that can be convenient rotating bar
By flow direction right side on the left of cleaning case, filtering foreign can be fallen by replaceable filter screen, due to gravity sundries pass through it is miscellaneous
Object collection port drops down onto sundries placed cavity, is collected by refuse collecting case to sundries, and rotary electric machine is the common electric appliance in market
Part, only needing to be electrically connected to specifications when buying back use can carry out using therefore details are not described herein；It can by opening sundries door
It is cleared up with the sundries collected to refuse collecting case；It can prevent cleaning solution from leaking on the left of cleaning case by left blend stop；When
Sundries door is opened to when sundries taking-up, cleaning case cleaning liquid inside can be prevented by rotating two groups of flap shutters respectively in refuse collecting case
It is lost, economizes on resources；The leakage of cleaning solution can be prevented by sealing strip；It can reduce the shake of rotary electric machine by resilient cushion
It is dynamic；It can prevent cleaning solution from splashing in rotary electric machine by shield, rotary electric machine is damaged；It can by multiple groups handle
To facilitate the opening and closing to two groups of conveying doors and sundries door respectively；Cleaning case can be supported by multiple groups supporting leg.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (9)
1. a kind of cleaning device of well drilling pipe, which is characterized in that after cleaning case (1), multiple groups front support rod (2), multiple groups
Support rod (3), multiple groups idler wheel (4) and two groups of conveying doors (5), cleaning case (1) are internally provided with cleaning placed cavity, and cleaning case
(1) top is provided with cleaning and picks and places mouth, and multiple groups front support rod (2) bottom and multiple groups back support rod (3) bottom are both connected to cleaning
On case (1) interior downside wall, multiple groups idler wheel (4) is rotatably connected at the top of multiple groups front support rod (2) respectively and multiple groups back support rod
(3) top, multiple groups front support rod (2), which is uniformly distributed, is connected to the interior downside wall front of cleaning case (1), multiple groups back support rod (3) point
Not Wei Yu multiple groups front support rod (2) dead astern, drilling pipe is provided with and communicated on cleaning case (1) left side wall and picks and places mouth, two groups of conveying doors
(5) front side and rear side that drilling pipe picks and places mouth are respectively hinged at；It further include supporting plate (6), bracket (7), rotary electric machine (8), shaft coupling
(9), rotating bar (10), spiral cleaning piece (11), refuse collecting case (12) and replaceable filter screen (13), the left side of supporting plate (6)
It is connected to cleaning case (1) right side wall bottom, bracket (7) bottom is connected to the top of supporting plate (6), and the bottom of rotary electric machine (8) connects
The top in bracket (7) is connect, the output end of rotary electric machine (8) passes through cleaning case (1) right side wall and stretches to inside cleaning placed cavity,
Shaft coupling (9) right side wrap is on the outside of motor output end, and shaft coupling (9) left side wrap is on the outside of rotating bar (10) right end, spiral
Cleaning sheet (11) is wrapped on rotating bar (10) lateral wall, is provided with and communicated with refuse collecting mouth, sundries on cleaning case (1) downside wall
Collecting box (12) is internally provided with sundries placed cavity, and is provided with and communicated with sundries at the top of refuse collecting case (12) and picks and places mouth, sundries
It is connected at the refuse collecting mouth of cleaning case (1) bottom at the top of collecting box (12), front side wall, the downside wall of replaceable filter screen (13)
It is connected on the interior front side wall of cleaning case (1), interior downside wall and interior rear wall with rear wall, and replaceable filter screen (13) position
On the right side of refuse collecting mouth.
2. the cleaning device of well drilling pipe as described in claim 1, which is characterized in that further include sundries door (14), sundries is received
Header (12) front side wall is provided with miscellaneous object outlet, and sundries door (14) is hinged at miscellaneous object outlet.
3. the cleaning device of well drilling pipe as claimed in claim 2, which is characterized in that further include right baffle-plate (15), right baffle-plate
(15) it is connected to drilling pipe and picks and places mouth bottom.
4. the cleaning device of well drilling pipe as claimed in claim 3, which is characterized in that it further include two groups of flap shutters (16),
Two groups of flap shutters (16) are respectively hinged at the left and right side of the interior downside wall refuse collecting mouth of cleaning case (1).
5. the cleaning device of well drilling pipe as claimed in claim 4, which is characterized in that two groups of conveying doors (5), sundries door (14)
Sealing strip is provided with two groups of flap shutter (16) side walls.
6. the cleaning device of well drilling pipe as claimed in claim 5, which is characterized in that set at rotary electric machine (8) and bracket (7)
It is equipped with resilient cushion.
7. the cleaning device of well drilling pipe as claimed in claim 6, which is characterized in that be provided on the outside of rotary electric machine (8) anti-
Shield.
8. the cleaning device of well drilling pipe as claimed in claim 7, which is characterized in that two groups of conveying doors (5) and sundries door
(14) handle is provided on.
9. the cleaning device of well drilling pipe as claimed in claim 8, which is characterized in that further include multiple groups supporting leg (17), multiple groups
Cleaning case (1) bottom is connected at the top of supporting leg (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821220844.7U CN209020883U (en) | 2018-07-31 | 2018-07-31 | A kind of cleaning device of well drilling pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821220844.7U CN209020883U (en) | 2018-07-31 | 2018-07-31 | A kind of cleaning device of well drilling pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209020883U true CN209020883U (en) | 2019-06-25 |
Family
ID=66871842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821220844.7U Expired - Fee Related CN209020883U (en) | 2018-07-31 | 2018-07-31 | A kind of cleaning device of well drilling pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209020883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775117A (en) * | 2021-01-25 | 2021-05-11 | 南京惠邦新能源科技有限公司 | High-pressure flushing device for production of offshore wind power generation yaw control hydraulic pipeline |
-
2018
- 2018-07-31 CN CN201821220844.7U patent/CN209020883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775117A (en) * | 2021-01-25 | 2021-05-11 | 南京惠邦新能源科技有限公司 | High-pressure flushing device for production of offshore wind power generation yaw control hydraulic pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200907 Address after: 057350 west of the North Road of the intersection of Xindong ring and Mengjiao Road, North District (Xinxing Industrial Park), Handan Economic Development Zone, Hebei Province Patentee after: Hebei Fengsu Construction Machinery Co.,Ltd. Address before: 057350 North District of Jize County Economic Development Zone, Handan City, Hebei Province Patentee before: HEBEI GUOFENG HEAVY MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20211021 Address after: 057350 North District of Jize County Economic Development Zone, Handan City, Hebei Province Patentee after: HEBEI GUOFENG HEAVY MACHINERY CO.,LTD. Address before: 057350 West Road, north side of the intersection of new east ring and Mengjiao Road, North District (Xinxing Industrial Park), economic development zone, Handan City, Hebei Province Patentee before: Hebei Fengsu Construction Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cleaning device for water well drilling pipe Effective date of registration: 20211027 Granted publication date: 20190625 Pledgee: Bank of Zhangjiakou Limited by Share Ltd. Jize branch Pledgor: HEBEI GUOFENG HEAVY MACHINERY CO.,LTD. Registration number: Y2021990001021 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220118 Granted publication date: 20190625 Pledgee: Bank of Zhangjiakou Limited by Share Ltd. Jize branch Pledgor: HEBEI GUOFENG HEAVY MACHINERY CO.,LTD. Registration number: Y2021990001021 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cleaning device for water well drilling pipe Effective date of registration: 20220119 Granted publication date: 20190625 Pledgee: Bank of Zhangjiakou Limited by Share Ltd. Jize branch Pledgor: HEBEI GUOFENG HEAVY MACHINERY CO.,LTD. Registration number: Y2022990000038 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230608 Granted publication date: 20190625 Pledgee: Bank of Zhangjiakou Limited by Share Ltd. Jize branch Pledgor: HEBEI GUOFENG HEAVY MACHINERY CO.,LTD. Registration number: Y2022990000038 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |