CN110195749A - A kind of beam pumping unit brake locking device and application method - Google Patents
A kind of beam pumping unit brake locking device and application method Download PDFInfo
- Publication number
- CN110195749A CN110195749A CN201910326285.0A CN201910326285A CN110195749A CN 110195749 A CN110195749 A CN 110195749A CN 201910326285 A CN201910326285 A CN 201910326285A CN 110195749 A CN110195749 A CN 110195749A
- Authority
- CN
- China
- Prior art keywords
- brake
- groove
- unit
- triangle
- magnetic sheet
- 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.)
- Granted
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 27
- 230000037431 insertion Effects 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 70
- 229910052742 iron Inorganic materials 0.000 claims description 35
- 238000003466 welding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/006—Positive locking brakes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Braking Arrangements (AREA)
Abstract
A kind of beam pumping unit brake locking device and application method.Its composition of this product includes: retarder, retarder has outer housing, outer housing is provided with oblique embedding groove, oblique embedding groove connection upper hopper chute and gliding groove, the bottom connecting groove of the first half of oblique embedding groove, the flat magnetic sheet of groove bonding, the latter half of of oblique embedding groove slides the upper plate of magnetic sheet connection equipped with sliding magnetic sheet, and upper plate is inserted into upper hopper chute and slides, it slides magnetic sheet and connects lower plugboard, lower plugboard insertion gliding groove simultaneously slides；Outer housing is provided with brake slot, triangle brake plug-in unit is provided in brake slot, retarder has output shaft, is fixedly connected with brake disc on the outside of output shaft, brake disc is circumferentially provided with one group of triangle brake socket, and triangle brake plug-in unit insertion triangle brake socket is checked output shaft and fixed.The present invention is for beam pumping unit brake locking device.
Description
Technical field:
The present invention relates to a kind of beam pumping unit brake locking device and application methods.
Background technique:
Beam pumping unit is to be driven by a motor retarder, and retarder drives crank to work, since beam pumping unit needs
Be when stopping transport braked by the friction brake on retarder, but the friction pair of friction brake use when
Between it is long when will appear abrasion, make brake failure sometimes, if can not brake, can come to the safety belt of operator dangerous, make
With there are factors leading to social instability.
Summary of the invention:
The object of the present invention is to provide one kind can external installation brake locking device, braking effect is good, uses safe one kind
Beam pumping unit brake locking device and application method.
Above-mentioned purpose is realized by following technical scheme:
A kind of beam pumping unit brake locking device, composition includes: retarder, and the retarder has outer housing, institute
The outer housing stated is provided with oblique embedding groove, the oblique embedding groove connection upper hopper chute and gliding groove, the first half of the oblique embedding groove
Latter half of be equipped with of the bottom connecting groove in portion, the flat magnetic sheet of the groove bonding, the oblique embedding groove slides magnetic sheet, described
Sliding magnetic sheet connect upper plate, the upper plate insertion upper hopper chute simultaneously slides, under the sliding magnetic sheet connection
Plate, the lower plugboard insertion gliding groove simultaneously slide；The outer housing is provided with brake slot, the brake slot
It is inside provided with triangle brake plug-in unit, the retarder has output shaft, is fixedly connected with brake disc on the outside of the output shaft,
The brake disc is circumferentially provided with one group of triangle brake socket, and the triangle brake plug-in unit insertion triangle brake is inserted
Mouth is checked the output shaft and is fixed；The crank of the output axis connection beam pumping unit, the crank is around described
Output shaft rotation, the interior lower part of the crank is provided with flat embedding groove, and the flat embedding groove welding brake iron plate is described
The surface of the non-bulging crank of iron plate of braking, when needing to brake described in sliding magnetic sheet to be pushed forward and described in be inserted into outside
Between shell and the crank, it is attracted the brake iron plate and fixes；The bottom of the brake slot connects inverted T-shaped sliding slot,
The bottom of the inverted T-shaped sliding slot is bonded bottom magnetic sheet, and the inverted T-shaped sliding slot is provided with inverted T-shaped iron slider, the inverted T-shaped
The top connection brake slide plate of iron slider, the tail end of the brake slide plate is fixedly connected with handle, before the brake slide plate
End is fixedly connected with the triangle fork truck plug-in unit, and the brake slide plate is pushed when needing to brake, inserts the triangle brake
The part insertion triangle brake socket is fixed；The side of the brake slot is provided with one group of fixation hole, the brake slot
The other side is provided with one group to fixation hole, the fixation hole and described to being inserted into half degree of lip-rounding plug-in unit between fixation hole, described
Half degree of lip-rounding plug-in unit is fixedly connected with center inserted link, and the brake slide plate is provided with spoke hole, and the center inserted link is inserted into described
Fixed in spoke hole, the tail end of the sliding magnetic sheet is provided with jack, and insertion connects described in iron and actuation in the jack
Sliding magnetic sheet fix.
The iron, which has, holds groove, the holding groove bonding rubber sleeve.
A kind of beam pumping unit brake locking device, the upper hopper chute closing, lower opening, under described
Sliding slot closing, upper side opening, the upper hopper chute are oppositely arranged with the gliding groove, the oblique embedding groove and the brake
Recessing is opened in the lower outside of the outer housing.
A kind of beam pumping unit brake locking device, the crank do not contact the cunning when working normally
Moving magnet plate and triangle brake plug-in unit, the top of half degree of lip-rounding plug-in unit connect annulus, and the exterior bottom of the outer housing connects
Connect hook, half degree of lip-rounding plug-in unit it is described when not in use tangle described in annulus.
A kind of application method of beam pumping unit brake locking device, this application method include the following steps, the first step
Flat magnetic sheet is fixed in groove, latter half of the magnetic sheet mounted in oblique embedding groove will be slided and placed, upper plate is inserted by second step
It in upper hopper chute, slides, in lower plugboard insertion gliding groove, slides when needed, third step is opened to the interior lower part of crank when needed
Brake iron plate is welded in flat embedding groove by flat embedding groove out, and brake disc is fixed on the outside of output shaft, the 5th step by the 4th step
By inverted T-shaped iron slider in inverted T-shaped sliding slot, before the 5th step when needed pushes brake slide plate to, make and brake slide plate one
Brake disc is fixed in the triangle brake plug-in unit insertion triangle brake socket of body, the 6th step is inserted into solid with half degree of lip-rounding plug-in unit tight fit
Determine hole, to further fixing brake disc in fixation hole, spoke hole.
The utility model has the advantages that
1. the present invention is by sliding magnetic sheet actuation brake iron plate, triangle brakes, and plug-in unit is inserted into the dual brake of triangle brake socket progress
Vehicle, it is ensured that crank can be checked fixation, it is ensured that crank will not be decelerated device drive and work on, and braking effect is good, secured.
The present invention is transformed on the outer housing of retarder, simple and convenient, but on condition that the thickness of outer housing
It can satisfy the needs of this product, it is convenient that transformation is installed additional, and it is fast that speed is installed in transformation additional.
Overall structure of the invention is closely coupled, and each step acts all mutually coordinated movement, it is ensured that can be stable check
It is mutually failure to actuate between crank and the output shaft of retarder, secured after fixed, only lock effect is good for brake.
The present invention has used magnetic connects in different parts, but the magnetic connects of different parts play different effects, existing
It is fixed effect, and plays the role of positioning, use both facilitated, and function is again complete, and reduced connection difficulty and use difficulty.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of this product.
Attached drawing 2 is the structural schematic diagram of oblique embedding groove and sliding magnetic sheet part in attached drawing 1.
Attached drawing 3 is the structural schematic diagram of brake slot and slide plate part of braking in attached drawing 1.
Specific embodiment:
Below in conjunction with attached drawing of the invention, technical scheme in the embodiment of the invention is clearly and completely described.
Embodiment 1:
A kind of beam pumping unit brake locking device, composition includes: retarder, and the retarder has outer housing 1, institute
The outer housing stated is provided with oblique embedding groove 2, and the side connection upper hopper chute 3 of the oblique embedding groove, the other side connect gliding groove 4, institute
The height of the bottom connecting groove 5 of the first half for the oblique embedding groove stated, groove is lower than oblique embedding groove, the flat magnetic of the groove bonding
Plate 6, the latter half of of the oblique embedding groove are equipped with sliding magnetic sheet 7, and flat magnetic sheet is not influenced to slide the sliding of magnetic sheet and can be played
The effect being fixed, the sliding magnetic sheet connect upper plate 8, and the upper plate insertion upper hopper chute simultaneously slides,
Upper plate ensures to slide when magnetic sheet is packed into and slides all without departing from oblique embedding groove, and the sliding magnetic sheet connects lower plugboard 9, institute
Gliding groove described in the lower plugboard insertion stated simultaneously slides, and lower plugboard ensures to slide when magnetic sheet is packed into and slides all without departing from oblique
Embedding groove；The outer housing is provided with brake slot 10, and triangle brake plug-in unit 11, the deceleration are provided in the brake slot
Device has output shaft 12, is fixedly connected with brake disc 13 on the outside of the output shaft, the brake disc is circumferentially provided with one group
Triangle brakes socket 14, triangle brake plug-in unit insertion triangle brake socket can be avoided brake disc brake unstable problem, into
One step fixes brake disc, it is ensured that securely, the triangle brake plug-in unit insertion triangle brake socket is checked described for brake
Output shaft fix.
Embodiment 2:
A kind of beam pumping unit brake locking device described in embodiment 1, the output axis connection beam pumping unit
Crank 15, the crank are rotated around the output shaft, and the interior lower part of the crank is provided with flat embedding groove 16, described
Flat embedding groove welding brake iron plate 17, the surface of the non-bulging crank of brake iron plate, brake the non-bulging song of iron plate
The surface of handle does not influence the normal use of crank, iron plate of braking when needing to brake can play the work of fixed (brake) crank
With, it is ensured that crank is not continuing to rotate, when needing to brake described in sliding magnetic sheet to being pushed forward and be inserted into the outer housing and institute
It between the crank stated, is attracted the brake iron plate and fixes, sliding magnetic sheet is attracted brake iron plate and plays the role of a hard braking.
Embodiment 3:
A kind of beam pumping unit brake locking device described in embodiment 1, the bottom of the brake slot connect inverted T-shaped sliding slot
18, the bottom of the inverted T-shaped sliding slot is bonded bottom magnetic sheet 19, and the inverted T-shaped sliding slot is provided with inverted T-shaped iron slider 20, described
Inverted T-shaped iron slider top connection brake slide plate 21, inverted T-shaped iron slider can either slide in inverted T-shaped sliding slot, not need
The slide plate that brakes when brake is located at the latter half of inverted T-shaped sliding slot, does not interfere crank to work normally, and the slide plate that brakes when needing to brake pushes away
To the first half of inverted T-shaped sliding slot, at this moment triangle fork truck plug-in unit is inserted into further functioning as brake in triangle brake socket
Effect, it is ensured that crank can be checked not in work (movement), the tail end of the brake slide plate is fixedly connected with handle 22, handle
Positioned at the tail end of brake slide plate, the normal use of crank is not influenced when not braking, the front end of the brake slide plate is fixedly connected
The triangle fork truck plug-in unit, what brake slide plate also can be stable when pushing brake slide plate when needing to brake, not braking is mounted in T
In shape sliding slot, the use of crank is not interfered, and the triangle brake socket for keeping the triangle brake plug-in unit insertion described is fixed.
Embodiment 4:
A kind of beam pumping unit brake locking device described in embodiment 3, the side of the brake slot is provided with one group and fixes
Hole 23, the other side of the brake slot are provided with one group to fixation hole 24, the fixation hole and described between fixation hole
It is inserted into half degree of lip-rounding plug-in unit 25, half degree of lip-rounding plug-in unit is fixedly connected with center inserted link 26, and the brake slide plate is provided with spoke hole
27, the center inserted link is inserted into fixed in the spoke hole.
The both ends of half degree of lip-rounding plug-in unit and center inserted link are inserted into fixation hole respectively, fixation hole, spoke hole are fixed, can
Fix the brake slide plate 21 for playing braking action, it is ensured that the brake disc that triangle brake plug-in unit is checked is very secured, the jail of brake
Gu, braking effect it is good.
Triangle brake plug-in unit 11 is inserted into triangle brake socket 14, and it is fixed that half degree of lip-rounding plug-in unit can play triangle brake plug-in unit 11
Position effect, while reaction force of the triangle brake plug-in unit 11 by brake disc 13 when braking, the arm of force is longer be easy middle part because
Stress concentration causes to be broken, and is transversely formed one by the both ends and center inserted link of half degree of lip-rounding plug-in unit, is formed and is supported at middle part, subtracted
Few stress is concentrated, and preventing the fracture of triangle brake plug-in unit 11, half degree of lip-rounding plug-in unit forms the laterally consistent active force of one, insertion simultaneously
Fixation hole ensure that the consistency of brake to synergistic effect after fixation hole, spoke hole while reduce the risk of fracture.
Embodiment 5:
A kind of beam pumping unit brake locking device described in embodiment 1, the tail end of the sliding magnetic sheet are provided with jack 28,
Connection iron 29 is inserted into the jack when needed and is attracted the sliding magnetic sheet and is fixed, is connected in iron insertion jack
Connect, make iron be inserted into when needed conveniently, assembling speed it is fast, to sliding magnetic sheet in brake using providing necessary guarantee,
The iron, which has, holds groove 30, the holding groove bonding rubber sleeve 31, and rubber sleeve ensures in iron insertion jack
Non-slip, speed is fast when insertion.
Embodiment 6:
A kind of beam pumping unit brake locking device described in embodiment 1, the upper hopper chute closing, lower opening, it is ensured that
The upper plate in upper hopper chute is inserted into without departing from upper hopper chute, fixed sliding magnetic sheet uses and all do not fall out when not in use oblique edge
Caulking groove, the gliding groove closing, upper side opening, it is ensured that the lower plugboard in insertion gliding groove is fixed without departing from gliding groove
Sliding magnetic sheet uses and does not all fall out oblique embedding groove when not in use, and the upper hopper chute is oppositely arranged with the gliding groove,
The oblique embedding groove and the brake slot are opened in the lower outside of the outer housing.
Embodiment 7:
A kind of beam pumping unit brake locking device described in embodiment 1, the crank does not contact described when working normally
Sliding magnetic sheet and the triangle brake plug-in unit, the top of half degree of lip-rounding plug-in unit connects annulus 32, the outside of the outer housing
Bottom connection hook 33, half degree of lip-rounding plug-in unit it is described when not in use tangle described in annulus.Half degree of lip-rounding plug-in unit is not
The normal use of brake locking device is not interfered when use, when use takes also very convenient yet.
Embodiment 8:
A kind of beam pumping unit brake locking device and application method, this application method include the following steps that the first step will be put down
Magnetic sheet is fixed in groove, will be slided latter half of the magnetic sheet mounted in oblique embedding groove and is placed, upper plate is inserted into sliding by second step
It in slot, slides, in lower plugboard insertion gliding groove, slides when needed, third step is outputed flat to the interior lower part of crank when needed
Brake iron plate is welded in flat embedding groove by embedding groove, and brake disc is fixed on the outside of output shaft by the 4th step, and the 5th step will fall
T shape iron slider is in inverted T-shaped sliding slot, before the 5th step when needed pushes brake slide plate to, makes and brakes what slide plate was integrated
Brake disc is fixed in triangle brake plug-in unit insertion triangle brake socket, the 6th step is inserted into half degree of lip-rounding plug-in unit tight fit and is fixed
Hole, to further fixing brake disc in fixation hole, spoke hole.
Claims (5)
- The locking device 1. a kind of beam pumping unit brakes, composition includes: retarder, it is characterized in that: the deceleration utensil There is outer housing, the outer housing is provided with oblique embedding groove, the oblique embedding groove connection upper hopper chute and gliding groove, the oblique edge Latter half of be equipped with of the bottom connecting groove of the first half of caulking groove, the flat magnetic sheet of the groove bonding, the oblique embedding groove is slided Moving magnet plate, the sliding magnetic sheet connect upper plate, and the upper plate insertion upper hopper chute simultaneously slides, the cunning Moving magnet plate connects lower plugboard, and the lower plugboard insertion gliding groove simultaneously slides；The outer housing is provided with brake slot, Triangle brake plug-in unit is provided in the brake slot, the retarder has output shaft, and the outside of the output shaft is solid Surely brake disc is connected, the brake disc is circumferentially provided with one group of triangle brake socket, and the triangle brake plug-in unit is inserted into institute The triangle brake socket stated is checked the output shaft and is fixed；The crank of the output axis connection beam pumping unit, it is described Crank rotated around the output shaft, the interior lower part of the crank is provided with flat embedding groove, the flat embedding groove welding Brake iron plate, the surface of the described non-bulging crank of brake iron plate, when needing to brake described in sliding magnetic sheet to be pushed forward, And it is inserted between the outer housing and the crank, is attracted the brake iron plate and fixes；The bottom of the brake slot Inverted T-shaped sliding slot is connected, the bottom of the inverted T-shaped sliding slot is bonded bottom magnetic sheet, and it is sliding that the inverted T-shaped sliding slot is provided with inverted T-shaped iron Block, the top connection brake slide plate of the inverted T-shaped iron slider, the tail end of the brake slide plate is fixedly connected with handle, described The front end of brake slide plate be fixedly connected with the triangle fork truck plug-in unit, the brake slide plate is pushed when needing to brake, makes institute The triangle brake plug-in unit insertion the stated triangle brake socket is fixed；The side of the brake slot is provided with one group of fixation hole, The other side of the brake slot is provided with one group to fixation hole, the fixation hole and described to being inserted into half mouthful between fixation hole Shape plug-in unit, half degree of lip-rounding plug-in unit are fixedly connected with center inserted link, and the brake slide plate is provided with spoke hole, and the center is inserted Fixed in the bar insertion spoke hole, the tail end of the sliding magnetic sheet is provided with jack, insertion connection iron in the jack Sliding magnetic sheet described in bar and actuation is fixed.
- The locking device 2. a kind of beam pumping unit according to claim 1 brakes, it is characterized in that: the iron has There are holding groove, the holding groove bonding rubber sleeve.
- The locking device 3. a kind of beam pumping unit according to claim 2 brakes, it is characterized in that: the upper hopper chute Closing, lower opening, the gliding groove closing, upper side opening, the upper hopper chute are oppositely arranged with the gliding groove, institute The oblique embedding groove and the brake slot stated are opened in the lower outside of the outer housing.
- The locking device 4. a kind of beam pumping unit according to claim 1 brakes, it is characterized in that: the crank is just The sliding magnetic sheet and the triangle brake plug-in unit are not often contacted when work, the top of half degree of lip-rounding plug-in unit connects annulus, institute The exterior bottom of the outer housing stated connects hook, half degree of lip-rounding plug-in unit it is described when not in use tangle described in circle Ring.
- 5. a kind of application method of beam pumping unit brake locking device according to claim 1, it is characterized in that: this Application method includes the following steps that flat magnetic sheet is fixed in groove by the first step, will slide magnetic sheet mounted in the later half of oblique embedding groove Part is placed, and upper plate is inserted into upper hopper chute, slides when needed by second step, and lower plugboard is inserted into gliding groove, when needed Sliding, third step output flat embedding groove to the interior lower part of crank, and brake iron plate is welded in flat embedding groove, and the 4th step will brake Disk is fixed on the outside of output shaft, and for the 5th step by inverted T-shaped iron slider in inverted T-shaped sliding slot, the 5th step when needed will brake Before slide plate is pushed to, make to fix brake disc in the triangle brake plug-in unit insertion triangle brake socket being integrated with brake slide plate, the Six steps are inserted into fixation hole with half degree of lip-rounding plug-in unit tight fit, to further fixing brake disc in fixation hole, spoke hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326285.0A CN110195749B (en) | 2019-04-23 | 2019-04-23 | Beam-pumping unit brake locking device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326285.0A CN110195749B (en) | 2019-04-23 | 2019-04-23 | Beam-pumping unit brake locking device and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110195749A true CN110195749A (en) | 2019-09-03 |
| CN110195749B CN110195749B (en) | 2020-09-04 |
Family
ID=67752077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910326285.0A Expired - Fee Related CN110195749B (en) | 2019-04-23 | 2019-04-23 | Beam-pumping unit brake locking device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110195749B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902575A (en) * | 1972-05-17 | 1975-09-02 | Crc Crose Int Inc | Protective braking means for precision mechanisms |
| JP2002336366A (en) * | 2001-05-16 | 2002-11-26 | Kaiyo Denshi Kogyo Kk | Emergency stop device for guide rope |
| CN102635655A (en) * | 2012-03-26 | 2012-08-15 | 濮阳市信宇石油机械化工有限公司 | Oil pumping unit brake locking device |
| CN203098646U (en) * | 2013-03-24 | 2013-07-31 | 吴丽娟 | Brake locking device of oil pumping unit |
-
2019
- 2019-04-23 CN CN201910326285.0A patent/CN110195749B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902575A (en) * | 1972-05-17 | 1975-09-02 | Crc Crose Int Inc | Protective braking means for precision mechanisms |
| JP2002336366A (en) * | 2001-05-16 | 2002-11-26 | Kaiyo Denshi Kogyo Kk | Emergency stop device for guide rope |
| CN102635655A (en) * | 2012-03-26 | 2012-08-15 | 濮阳市信宇石油机械化工有限公司 | Oil pumping unit brake locking device |
| CN203098646U (en) * | 2013-03-24 | 2013-07-31 | 吴丽娟 | Brake locking device of oil pumping unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110195749B (en) | 2020-09-04 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Jingxin Inventor after: Jiang Shusheng Inventor after: Wang Xiaowei Inventor after: Zheng Xiaolei Inventor after: Liang Li Inventor after: Liu Cuixia Inventor after: Guo Yingjian Inventor after: Liu Hongjun Inventor after: Zhuang Lijun Inventor after: Jia Ruicheng Inventor after: Jiang Yulin Inventor after: Wang Lichen Inventor after: Duan Qingbin Inventor after: Li Xuemei Inventor after: Tang Haiyan Inventor before: Guo Yingjian Inventor before: Jiang Shusheng Inventor before: Wang Xiaowei Inventor before: Zheng Xiaolei Inventor before: Liang Li Inventor before: Liu Hongjun Inventor before: Song Jingxin Inventor before: Liu Cuixia Inventor before: Zhuang Lijun Inventor before: Jia Ruicheng Inventor before: Jiang Yulin Inventor before: Wang Lichen Inventor before: Duan Qingbin Inventor before: Li Xuemei Inventor before: Tang Haiyan |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200810 Address after: 163000 Room 601, No. 3, B-30, Wanhua Huafu District, Saertu District, Daqing, Heilongjiang. Applicant after: Song Jingxin Applicant after: Liu Hongjun Applicant after: Guo Yingjian Address before: Room 402, No. 4-7, No. 2 Gate, Family Area, Chaoyanggou Oilfield, Saertu District, Daqing City, Heilongjiang Province, 163000 Applicant before: Guo Yingjian |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20210423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |