CN102562886A - Safety brake device of oil pumping unit - Google Patents
Safety brake device of oil pumping unit Download PDFInfo
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- CN102562886A CN102562886A CN2012100187428A CN201210018742A CN102562886A CN 102562886 A CN102562886 A CN 102562886A CN 2012100187428 A CN2012100187428 A CN 2012100187428A CN 201210018742 A CN201210018742 A CN 201210018742A CN 102562886 A CN102562886 A CN 102562886A
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- 238000005086 pumping Methods 0.000 title claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 241001347978 Major minor Species 0.000 claims description 12
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of brake devices of oil pumping units and in particular relates to a safety brake device of an oil pumping unit. The safety brake device comprises an oil pumping rack, a double-pull-rod operating device, a brake wheel shaft, a brake wheel, a brake drum, a brake drum cam rod, a brake arm plate, a main brake transmission device and an auxiliary brake transmission device, wherein the double-pull-rod operating device is fixedly arranged at the left part of the oil pumping rack and is provided with a main brake pull rod handle and an auxiliary brake pull rod handle. The safety brake device has the advantages that the structure is reasonable and compact, and the use is convenient; and the main brake transmission device is driven to brake the brake wheel shaft by the main brake pull rod handle, the auxiliary brake transmission device is driven to lock the brake wheel by the auxiliary brake pull rod handle, and an interlocking device of a main brake and an auxiliary brake is utilized for realizing the purposes that the brake arm plate can be locked by the auxiliary brake after the brake wheel is stopped when in braking and the brake drum can loosen the brake wheel shaft after the brake arm plate eliminates locking on the brake wheel when in starting. The safety brake device has the characteristics of simplicity in operation, safety and reliability.
Description
Technical field
the present invention relates to pumping unit braking device technical field, are a kind of pumping unit braking safety devices.
Background technique
oil and gas industry well head pumping unit is in the use and maintenance process; Because of the brake of the original band brake type of pumping unit in the sleet sky or shoe plate skid, slip the generation of car phenomenon when losing efficacy; Cause casualties and can't ordinary production; Cause great casualties and economic loss, do not meet the field produces safe requirement.
Summary of the invention
the invention provides a kind of pumping unit braking safety device, have overcome the deficiency of above-mentioned existing technology, its can effectively solve brake that existing pumping unit braking device exists be prone to skid inefficacys, the slide car takes place, have the problem of potential safety hazard.
technological scheme of the present invention realizes through following measure: a kind of pumping unit braking safety device comprises oil pumping frame, duplex pull rod control device, brake wheel shaft, brake wheel, brake drum, brake drum cam lever, brake arm plate, main transmission device and the auxilliary transmission device of stopping stopped; The duplex pull rod control device is fixedly mounted on oil pumping frame left part; Main pull bar handle and the auxilliary pull bar handle of stopping stopped is installed on the duplex pull rod control device; The brake wheel shaft that is connected with the pumping unit transmission device is installed on the oil pumping frame and can rotates; Brake wheel is fixedly mounted on the brake wheel shaft, on the oil pumping frame in the brake wheel shaft outside brake drum is installed, and the right-hand member that can move down the brake drum cam lever that drives brake drum locking brake wheel shaft is connected with brake drum; The periphery of brake wheel is evenly distributed with the brake gear teeth; Brake arm plate right-hand member is installed on the oil pumping frame of brake wheel top through the brake arm hinge, and the middle part of brake arm plate is fixed with the brake tooth bar, and the auxilliary latch of stopping that can be meshed with the brake gear teeth is arranged at brake tooth bar bottom; The main pull bar handle of stopping is connected with the left end of brake drum cam lever through the main transmission device of stopping, and the auxilliary pull bar handle of stopping is connected with the left end of brake arm plate through the auxilliary transmission device of stopping.
Be to the further optimization of foregoing invention technological scheme below or/and improve:
above-mentioned duplex pull rod control device can comprise control stand, the main control frame of stopping, the auxilliary control frame of stopping, main stop control rotating shaft, auxilliary stopping controlled rotating shaft and the major-minor interlock of stopping; Control the stand bottom and be installed in oil pumping frame left part through bolt, control the stand front and rear and be installed with main control frame and the auxilliary control frame of stopping stopped respectively, master control frame axis hole is arranged at main bottom of stopping the control frame, and auxilliary control frame axis hole is arranged at auxilliary bottom of stopping the control frame; The main pull bar handle, at its lower end of stopping is controlled rotating shaft and is hinged on main stopping with master control frame axis hole and controls on the frame through main stopping; The auxilliary pull bar handle, at its lower end of stopping is controlled rotating shaft and is hinged on the auxilliary control frame of stopping with auxilliary control frame axis hole through auxilliary stopping; The main pull bar handle bottom of stopping is equipped with the main hinge and be connected with the main transmission device left part of stopping through the main hinge of stopping stopped, the auxilliary pull bar handle bottom of stopping be equipped with auxilliary stop hinge and through auxilliary stop hinge with assist the transmission device left part of stopping and be connected; Be installed with the major-minor interlock of stopping on the oil pumping frame between main brake handle and the auxiliary brake handle; The major-minor interlock of stopping comprises interlock bracket, inter-locking panel rotating shaft, interlocking rotating disk, guide groove pivoted arm, guide chute, the main handle pilot pin of stopping, interlocking block and the auxilliary handle pilot pin of stopping; The interlock bracket bottom is fixedly mounted on the oil pumping frame, the top interlocking frame axis hole of interlock bracket, and the inter-locking panel rotating shaft is installed in the interlocking frame axis hole and can rotates; The rear end of inter-locking panel rotating shaft is fixed with the interlocking rotating disk; The front end of inter-locking panel rotating shaft is fixed with the guide groove pivoted arm, has on the guide groove pivoted arm along the guide chute of guide groove pivoted arm length direction, and the trailing flank bottom of main brake handle is fixed with the main handle pilot pin of stopping; The main handle pilot pin of stopping is installed in the guide chute and can slides along guide chute; Be fixed with the interlocking block on the ear end face of interlocking rotating disk, the leading flank bottom of auxiliary brake handle is fixed with the auxilliary handle pilot pin of stopping, and the anterior left end of the auxilliary handle pilot pin of stopping is pressed on the right flank of interlocking block.
above-mentioned master stops and can be separately installed with the manipulation locking device on pull bar handle and the auxilliary pull bar handle of stopping, and handles locking device and comprises release lever, shank of the key rotating shaft, shank of the key hinge, release connecting rod, lock dog hinge, lock slider, locking spring and locking tongue; The lower end left part of release lever is hinged on main pull bar handle or the auxilliary pull bar handle top of stopping of stopping through the shank of the key rotating shaft; The lower end right part of release lever is hinged through the upper end of shank of the key hinge and release connecting rod; The lower end of release connecting rod is hinged on lock slider top through the lock dog hinge, and the lock dog slideway is arranged respectively at main bottom of stopping pull bar handle and the auxilliary pull bar handle of stopping, and is fixed with slide blocks on the lock slider and is installed in the lock dog slideway through slide blocks inner; In the lock dog slideway on slide blocks top the locking spring is installed; The upper end of locking spring holds out against on lock dog slideway inner chamber upper-end surface, and the lower end of locking spring holds out against on the upper-end surface of slide blocks, and the lock slider bottom is installed with the locking tongue; The main control frame of stopping is circular-arc and is distributed with lock ratchet with auxilliary upper end of stopping the control frame; Form the ratchet slot that the bottom surface is high right low inclined-plane, a left side between adjacent two lock ratchet, there is high right low dead bolt inclined-plane, a left side lower end of locking tongue, and the locking tongue is pressed on the ratchet slot bottom surface through the dead bolt inclined-plane.
the above-mentioned master transmission device of stopping can comprise the main drag link of stopping, the main pivoted arm seat of stopping, the main rotating shaft of stopping, main lever and the main vertical connecting rod of stopping stopped; The main lever of stopping comprises the main initiatively pivoted arm and the main driven pivoted arm of stopping stopped; The upper end of the main pivoted arm initiatively stopped is fixed together with the left end of the main driven pivoted arm of stopping or is connected as a single entity, and mainly stops initiatively that the joint of pivoted arm upper end and the main driven pivoted arm left end of stopping is hinged on the main pivoted arm seat top of stopping through the main rotating shaft of stopping; The left end of the main drag link of stopping is hinged on the main pull bar handle bottom of stopping through the main hinge of stopping; The right-hand member of the main drag link of stopping is hinged on the main initiatively pivoted arm bottom of stopping through the main active hinge of stopping; The lower end of the main vertical connecting rod of stopping is hinged on the main driven pivoted arm right part of stopping through the main driven hinge of stopping, and the upper end of the main vertical connecting rod of stopping is hinged on the left end of brake drum cam lever through the main montant hinge of stopping.
above-mentioned auxilliary transmission device of stopping can comprise the auxilliary drag link of stopping, the auxilliary pivoted arm seat of stopping, the auxilliary rotating shaft of stopping, auxilliary lever and the auxilliary vertical connecting rod of stopping stopped; The auxilliary lever of stopping comprises assists stop initiatively pivoted arm and the auxilliary driven pivoted arm of stopping, and the upper end of the auxilliary active pivoted arm of stopping is fixed together with the left end of the auxilliary driven pivoted arm of stopping or is connected as a single entity, and the middle part of the auxilliary driven pivoted arm of stopping is hinged on through the auxilliary rotating shaft of stopping and assists the pivoted arm seat top of stopping; The left end of the auxilliary drag link of stopping is hinged on the auxilliary pull bar handle bottom of stopping through the auxilliary hinge of stopping; The right-hand member of the auxilliary drag link of stopping is hinged on the auxilliary initiatively pivoted arm lower end of stopping through the auxilliary active hinge of stopping; The lower end of the auxilliary vertical connecting rod of stopping is hinged on the auxilliary driven pivoted arm right-hand member of stopping through the auxilliary driven hinge of stopping, and the upper end of the auxilliary vertical connecting rod of stopping is hinged on the middle part of brake arm plate through the auxilliary montant hinge of stopping.
above-mentioned master stop drag link left end and main stopping between the pull bar handle; Main stop drag link right-hand member and main stopping initiatively between the pivoted arm; Main stop vertical connecting rod lower end and main stopping between the driven pivoted arm; Main stopping between vertical connecting rod upper end and the brake drum cam lever; Auxilliary stop drag link left end and auxilliary stopping between the pull bar handle; Auxilliary stop drag link right-hand member and auxilliary stopping initiatively between the pivoted arm; Auxilliary stop vertical connecting rod lower end and auxilliary stopping between the driven pivoted arm; Auxilliary stopping can be separately installed with the adjusting connection set between vertical connecting rod upper end and the brake arm plate; Regulate connection set and comprise hinged sheath body and double-screw bolt joint; One end of hinged sheath body has hinging hole; Internal thread is arranged on the internal chamber wall of hinged sheath body and the double-screw bolt joint is installed; It is inner that one end of double-screw bolt joint is installed in hinged sheath body, and the other end of double-screw bolt joint has tapped hole and is fixedly mounted on main stop drag link or main stop vertical connecting rod or auxilliary stop drag link or the auxilliary vertical connecting rod of stopping.
reasonable and compact in structure of the present invention; Easy to use; Reasonable and compact in structure of the present invention; Easy to use, it drives the main transmission device of stopping through the main pull bar handle of stopping the brake wheel shaft is braked, and the auxilliary pull bar handle of stopping drives the auxilliary transmission device of stopping brake wheel is locked; Brake wheel stops just can make brake drum releasing of brake wheel shaft after back brake arm plate just can be assisted the locking of stopping, the brake arm plate unlocks to brake wheel when opening when utilizing the major-minor interlock of stopping to realize braking, and has easy and simple to handle, safe and reliable characteristics.
Description of drawings
Main TV structure schematic representation when
accompanying drawing 1 is opened for most preferred embodiment of the present invention.
Main TV structure schematic representation when
accompanying drawing 2 is locked for most preferred embodiment of the present invention.
Main TV structure schematic representation when
accompanying drawing 3 is the duplex pull rod control device unlatching in the accompanying drawing 1.
accompanying drawing 4 is looked the sectional structure schematic representation for the left side of accompanying drawing 3.
Main TV structure schematic representation when
accompanying drawing 5 is the duplex pull rod control device locking in the accompanying drawing 2.
Coding in
accompanying drawing is respectively: 1 is the oil pumping frame, and 2 are the brake wheel shaft, and 3 is brake wheel, and 4 is the brake drum cam lever, and 5 is the brake arm plate, and 6 is the main pull bar handle of stopping; 7 is the auxilliary pull bar handle of stopping, and 8 are the brake gear teeth, and 9 is the brake arm hinge, and 10 are the brake tooth bar, and 11 is the auxilliary latch of stopping, and 12 for controlling stand; 13 is the main control frame of stopping, and 14 is the auxilliary control frame of stopping, and 15 is that main stopping controlled rotating shaft, and 16 is that auxilliary stopping controlled rotating shaft, and 17 are master control frame axis hole, and 18 is auxilliary control frame axis hole; 19 is the main hinge of stopping, and 20 is the auxilliary hinge of stopping, and 21 is interlock bracket, and 22 is the inter-locking panel rotating shaft, and 23 are the interlocking rotating disk, and 24 is the guide groove pivoted arm; 25 is guide chute, and 26 is the main handle pilot pin of stopping, and 27 are the interlocking block, and 28 is the auxilliary handle pilot pin of stopping, and 29 is the interlocking frame axis hole, and 30 for regulating connection set; 31 is release lever, and 32 is the shank of the key rotating shaft, and 33 is the shank of the key hinge, and 34 are the release connecting rod, and 35 is the lock dog hinge, and 36 is lock slider; 37 are the locking tongue, and 38 is the lock dog slideway, and 39 is lock ratchet, and 40 is ratchet slot, and 41 is the dead bolt inclined-plane, and 42 is the main drag link of stopping; 43 is the main pivoted arm seat of stopping, and 44 is the main rotating shaft of stopping, and 45 is the main vertical connecting rod of stopping, and 46 is the main initiatively pivoted arm of stopping, and 47 is the main driven pivoted arm of stopping, and 48 is the main initiatively hinge of stopping; 49 is the main driven hinge of stopping, and 50 is the main montant hinge of stopping, and 51 is the auxilliary drag link of stopping, and 52 is the auxilliary pivoted arm seat of stopping, and 53 is the auxilliary rotating shaft of stopping, and 54 is the auxilliary vertical connecting rod of stopping; 55 is the auxilliary initiatively pivoted arm of stopping, and 56 is the auxilliary driven pivoted arm of stopping, and 57 is the auxilliary initiatively hinge of stopping, and 58 is the auxilliary driven hinge of stopping, and 59 is the auxilliary montant hinge of stopping.
Embodiment
the present invention does not receive following embodiment's restriction, can confirm concrete mode of execution according to technological scheme of the present invention and actual conditions.
in the present invention; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: the position relation of forward and backward, upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
Like accompanying drawing 1, shown in 2, this pumping unit braking safety device comprises oil pumping frame 1, duplex pull rod control device, brake wheel shaft 2, brake wheel 3, brake drum, brake drum cam lever 4, brake arm plate 5, main transmission device and the auxilliary transmission device of stopping stopped
; The duplex pull rod control device is fixedly mounted on oil pumping frame 1 left part; Main pull bar handle 6 and the auxilliary pull bar handle 7 of stopping stopped is installed on the duplex pull rod control device; The brake wheel shaft 2 that is connected with the pumping unit transmission device is installed on the oil pumping frame 1 and can rotates; Brake wheel 3 is fixedly mounted on the brake wheel shaft 2, on the oil pumping frame 1 in brake wheel shaft 2 outsides brake drum is installed, and the right-hand member that can move down the brake drum cam lever 4 that drives brake drum locking brake wheel shaft 2 is connected with brake drum; The periphery of brake wheel 3 is evenly distributed with the brake gear teeth 8; Brake arm plate 5 right-hand members are installed in through brake arm hinge 9 on the oil pumping frame 1 of brake wheel 3 tops, and the middle part of brake arm plate 5 is fixed with brake tooth bar 10, and the auxilliary latch 11 of stopping that can be meshed with the brake gear teeth 8 is arranged at brake tooth bar 10 bottoms; The main pull bar handle 6 of stopping is connected with the left end of brake drum cam lever 4 through the main transmission device of stopping, and the auxilliary pull bar handle 7 of stopping is connected with the left end of brake arm plate 5 through the auxilliary transmission device of stopping.The main pull bar handle 6 of stopping can drive brake drum locking brake wheel shaft 2 through the main transmission device of stopping makes the pumping unit transmission device realize skidding; The auxilliary pull bar handle 7 of stopping can drive brake arm plate 5 through the auxilliary transmission device of stopping and rotate counterclockwise around brake arm hinge 9; The auxilliary latch 11 of stopping on the brake tooth bar 10 is meshed with the brake gear teeth 8; Thereby make the pumping unit transmission device realize secondary locking; Brake wheel 3 can be realized locked fully behind skidding reliably, for the pumping unit brake provides double locking.Wherein, Brake tooth bar 10 preferably adopts the involute gear tooth bar with the brake gear teeth 8; Not only can satisfy demand for security, and intensity is high, simple in structure, adopts rack and pinion mechanism can realize engagement fast or disengagement; Thereby avoided the brake of original band brake type in the sleet sky or the skidding of occurring when losing efficacy of shoe plate and the car that slips, guaranteed production safety.
Can according to actual needs above-mentioned pumping unit braking safety device be done further to optimize or/and improve:
like accompanying drawing 3,4, shown in 5, the duplex pull rod control device comprise control stand 12, the main control frame 13 of stopping, the auxilliary control frame 14 of stopping, main stop control rotating shaft 15, auxilliary stopping controlled rotating shaft 16 and the major-minor interlock of stopping; Control stand 12 bottoms and be installed in oil pumping frame 1 left part through bolt; Control stand 12 front and rears and be installed with main control frame 13 and the auxilliary control frame 14 of stopping stopped respectively; Master control frame axis hole 17 is arranged at main bottom of stopping control frame 13, and auxilliary control frame axis hole 18 is arranged at auxilliary bottom of stopping control frame 14; Main pull bar handle 6 lower ends of stopping are controlled rotating shaft 15 and are hinged on the main control frame 13 of stopping with master control frame axis hole 17 through main stopping; Auxilliary pull bar handle 7 lower ends of stopping are controlled rotating shaft 16 and are hinged on the auxilliary control frame 14 of stopping with auxilliary control frame axis hole 18 through auxilliary stopping; Main pull bar handle 6 bottoms of stopping are equipped with the main hinge 19 and be connected with the main transmission device left part of stopping through the main hinge 19 of stopping stopped, auxilliary pull bar handle 7 bottoms of stopping be equipped with auxilliary stop hinge 20 and through auxilliary stop hinge 20 with assist the transmission device left part of stopping and be connected; Be installed with the major-minor interlock of stopping on the oil pumping frame 1 between main brake handle 6 and the auxiliary brake handle 7; The major-minor interlock of stopping comprises interlock bracket 21, inter-locking panel rotating shaft 22, interlocking rotating disk 23, guide groove pivoted arm 24, guide chute 25, the main handle pilot pin 26 of stopping, interlocking block 27 and the auxilliary handle pilot pin 28 of stopping; Interlock bracket 21 bottoms are fixedly mounted on the oil pumping frame 1; The top interlocking frame axis hole 29 of interlock bracket 21; Inter-locking panel rotating shaft 22 is installed in the interlocking frame axis hole 29 and can rotates, and the rear end of inter-locking panel rotating shaft 22 is fixed with interlocking rotating disk 23, and the front end of inter-locking panel rotating shaft 22 is fixed with guide groove pivoted arm 24; Have on the guide groove pivoted arm 24 along the guide chute 25 of guide groove pivoted arm 24 length directions; The trailing flank bottom of main brake handle 6 is fixed with the main handle pilot pin 26 of stopping, and the main handle pilot pin 26 of stopping is installed in the guide chute 25 and can slides along guide chute 25, is fixed with interlocking block 27 on the ear end face of interlocking rotating disk 23; The leading flank bottom of auxiliary brake handle 7 is fixed with the auxilliary handle pilot pin 28 of stopping, and the anterior left end of the auxilliary handle pilot pin 28 of stopping is pressed on the right flank of interlocking block 27.The major-minor interlock of stopping can be avoided misoperation; Promptly when brake, must draw the main pull bar handle 6 of stopping to carry out the main brake braking earlier; Just can draw the auxilliary pull bar handle 7 of stopping to carry out secondary locking afterwards, otherwise, must reset by the auxilliary earlier pull bar handle 7 of stopping during releasing of brake; Just can lead the pull bar handle 6 of stopping afterwards and reset, to guarantee operating security.
are shown in accompanying drawing 3; The main pull bar handle 6 of stopping is separately installed with the manipulation locking device with assisting on the pull bar handle 7 of stopping, and handles locking device and comprises release lever 31, shank of the key rotating shaft 32, shank of the key hinge 33, release connecting rod 34, lock dog hinge 35, lock slider 36, locking spring and locking tongue 37; The lower end left part of release lever 31 is hinged on main pull bar handle 6 or auxilliary pull bar handle 7 tops of stopping of stopping through shank of the key rotating shaft 32; The lower end right part of release lever 31 is hinged with the upper end of release connecting rod 34 through shank of the key hinge 33; The lower end of release connecting rod 34 is hinged on lock slider 36 tops through lock dog hinge 35; Lock dog slideway 38 is arranged respectively at main bottom of stopping pull bar handle 6 and the auxilliary pull bar handle 7 of stopping; Be fixed with slide blocks on the lock slider 36 and be installed in lock dog slideway 38 inside through slide blocks, in the lock dog slideway 38 on slide blocks top the locking spring is installed, the upper end of locking spring holds out against on lock dog slideway 38 inner chamber upper-end surfaces; The lower end of locking spring holds out against on the upper-end surface of slide blocks; Lock slider 36 bottoms are installed with locking tongue 37, and the main control frame 13 of stopping is circular-arc and is distributed with lock ratchet 39 with auxilliary upper end of stopping control frame 14, forms the ratchet slot 40 that the bottom surface is high right low inclined-plane, a left side between adjacent two lock ratchet 39; There is high right low dead bolt inclined-plane 41, a left side lower end of locking tongue 37, and locking tongue 37 is pressed on ratchet slot 40 bottom surfaces through dead bolt inclined-plane 41.Locking tongue 37 uses ratchet and pawl arrangement with the main control frame 13 of stopping with the auxilliary control frame 14 of stopping, and the main pull bar handle 6 of stopping is in the lock state with the auxilliary pull bar handle 7 of stopping, thus the Security that further improves equipment.
Like accompanying drawing 1, shown in 2, the main transmission device of stopping comprises the main drag link 42 of stopping, the main pivoted arm seat 43 of stopping, the main rotating shaft 44 of stopping, main lever and the main vertical connecting rod 45 of stopping stopped
; The main lever of stopping comprises the main initiatively pivoted arm 46 and the main driven pivoted arm 47 of stopping stopped; The upper end of the main pivoted arm 46 initiatively stopped is fixed together with the left end of the main driven pivoted arm 47 of stopping or is connected as a single entity, and mainly stops initiatively that the joint of pivoted arm 46 upper ends and main driven pivoted arm 47 left ends of stopping is hinged on main pivoted arm seat 43 tops of stopping through the main rotating shaft 44 of stopping; The left end of the main drag link 42 of stopping is hinged on main pull bar handle 6 bottoms of stopping through the main hinge 19 of stopping; The right-hand member of the main drag link 42 of stopping is hinged on main initiatively pivoted arm 46 bottoms of stopping through the main active hinge 48 of stopping; The lower end of the main vertical connecting rod 45 of stopping is hinged on main driven pivoted arm 47 right parts of stopping through the main driven hinge 49 of stopping, and the upper end of the main vertical connecting rod 45 of stopping is hinged on the left end of brake drum cam lever 4 through the main montant hinge 50 of stopping.
Like accompanying drawing 1, shown in 2, the auxilliary transmission device of stopping comprises the auxilliary drag link 51 of stopping, the auxilliary pivoted arm seat 52 of stopping, the auxilliary rotating shaft 53 of stopping, auxilliary lever and the auxilliary vertical connecting rod 54 of stopping stopped
; The auxilliary lever of stopping comprises the auxilliary initiatively pivoted arm 55 and the auxilliary driven pivoted arm 56 of stopping stopped; The upper end of the auxilliary active pivoted arm 55 of stopping is fixed together with the left end of the auxilliary driven pivoted arm 56 of stopping or is connected as a single entity, and the middle part of the auxilliary driven pivoted arm 56 of stopping is hinged on through the auxilliary rotating shaft 53 of stopping and assists pivoted arm seat 52 tops of stopping; The left end of the auxilliary drag link 51 of stopping is hinged on auxilliary pull bar handle 7 bottoms of stopping through the auxilliary hinge 20 of stopping; The right-hand member of the auxilliary drag link 51 of stopping is hinged on auxilliary initiatively pivoted arm 55 lower ends of stopping through the auxilliary active hinge 57 of stopping; The lower end of the auxilliary vertical connecting rod 54 of stopping is hinged on auxilliary driven pivoted arm 56 right-hand members of stopping through the auxilliary driven hinge 58 of stopping, and the upper end of the auxilliary vertical connecting rod 54 of stopping is hinged on the middle part of brake arm plate 5 through the auxilliary montant hinge 59 of stopping.
like accompanying drawing 1, shown in 2, main stop drag link 42 left ends with mainly stop between the pull bar handle 6, main stop drag link 42 right-hand members with mainly stop initiatively between the pivoted arm 46, main stop vertical connecting rod 45 lower ends with mainly stop between the driven pivoted arm 47, mainly stop between vertical connecting rod 45 upper ends and the brake drum cam lever 4, auxilliary stop drag link 51 left ends with auxilliaryly stop between the pull bar handle 7, auxilliary drag link 51 right-hand members of stopping stop between the active pivoted arm 55, assist vertical connecting rod 54 lower ends and assist and stop between the driven pivoted arm 56, assist to stop and be separately installed with adjusting connection set 30 between vertical connecting rod 54 upper ends and the brake arm plate 5 of stopping with assisting; Regulate connection set 30 and comprise hinged sheath body and double-screw bolt joint; One end of hinged sheath body has hinging hole; Internal thread is arranged on the internal chamber wall of hinged sheath body and the double-screw bolt joint is installed; It is inner that one end of double-screw bolt joint is installed in hinged sheath body, and the other end of double-screw bolt joint has tapped hole and is fixedly mounted on main stop drag link 42 or main stop vertical connecting rod 45 or auxilliary stop drag link 51 or the auxilliary vertical connecting rod 54 of stopping.
are like accompanying drawing 1, shown in 2; Regulate connection set and comprise hinged sheath body and double-screw bolt joint; One end of hinged sheath body has hinging hole; Internal thread is arranged on the internal chamber wall of hinged sheath body and the double-screw bolt joint is installed, it is inner that an end of double-screw bolt joint is installed in hinged sheath body, and the other end of double-screw bolt joint has tapped hole and is fixedly mounted on main stop drag link or main stop vertical connecting rod or auxilliary stop drag link or the auxilliary vertical connecting rod of stopping.
above technical characteristics has constituted most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
The installation process of
most preferred embodiment of the present invention: at first stop the operation of pumping unit; And the main brake handle of the existing pumping unit that comes up; Pumping unit is stopped and keeping balance and stability, sucker rod locking clamp then is installed, sucker rod is remained static; The existing brake wheel of dismounting; Be replaced with brake wheel of the present invention 3 and brake arm plate 5, and the main pivoted arm seat 43 of stopping, main vertical connecting rod 45 and the main lever of stopping stopped can appoint right use existing, and the auxilliary pivoted arm seat 52 of stopping, auxilliary vertical connecting rod 54 and the auxilliary lever of stopping stopped are installed afterwards; Install and fix duplex pull rod control device, main drag link 42 and the auxilliary drag link 51 of stopping stopped then; The major-minor interlock of stopping is installed afterwards, is then debugged, the auxilliary pull bar handle 7 of stopping of tension notices whether the auxilliary latch 11 of stopping of brake tooth bar 10 is engaged in the middle of the flute profile of the brake gear teeth 8; As not then when pumping unit starts; Slightly unclamp the main pull bar handle 6 of stopping, brake wheel 3 is rotated slightly, the flute profile of the order brake gear teeth 8 and the auxilliary locked pumping unit of latch 11 engagements of stopping; At last, dismounting sucker rod locking clamp.
The using process of
most preferred embodiment of the present invention: at first, during brake, shown in accompanying drawing 1; Operator grasps master's pull bar handle 6 of stopping is controlled rotating shaft 15 and is rotated counterclockwise around main stopping left, and the master of main pull bar handle 6 bottoms of the stopping hinge 19 of stopping drives the main drag link 42 of stopping and moves to left, and the main lever of stopping is clockwise rotated around the main rotating shaft 44 of stopping; The main driven pivoted arm 47 of stopping drives the main vertical connecting rod 45 of stopping through the main driven hinge 49 of stopping and moves down; The main vertical connecting rod 45 of stopping drives brake drums wheel shaft 2 lockings of will brake through the main montant hinge 50 of stopping, brake drum cam lever 4 and realizes braking, like accompanying drawing 3, shown in 4, in main pull bar handle 6 rotations of stopping; The main handle pilot pin 26 of stopping rotates with the main pull bar handle 6 of stopping; The main handle pilot pin 26 of stopping moves guide chute 25 in simultaneously and promotes guide groove pivoted arm 24 and rotates around inter-locking panel rotating shaft 22 with interlocking rotating disk 23, and interlocking block 27 rotates with interlocking rotating disk 23 and the auxilliary handle pilot pin 28 of stopping of restriction no longer, make auxilliary stop handle pilot pin 28 with assist the pull bar handle 7 of stopping and can move; Operator grasps is auxilliary, and the pull bar handle 7 of stopping is controlled rotating shaft 16 and is rotated counterclockwise around auxilliary stopping left; Shown in accompanying drawing 1, the auxilliary hinge 20 of stopping of auxilliary pull bar handle 7 bottoms of stopping drives the auxilliary drag link 51 of stopping and moves to left, and the auxilliary lever of stopping is clockwise rotated around the auxilliary rotating shaft 53 of stopping; The auxilliary driven pivoted arm 56 of stopping drives the auxilliary vertical connecting rod 54 of stopping through the auxilliary driven hinge 58 of stopping and moves down; The auxilliary vertical connecting rod 54 of stopping drives brake arm plate 5 through the auxilliary montant hinge 59 of stopping and rotates counterclockwise around brake arm hinge 9, and brake tooth bar 10 moves down, and the auxilliary latch 11 of stopping of brake tooth bar 10 is meshed with the brake gear teeth 8 in brake wheel 3 outsides; Brake wheel 3 is locked, and realizes auxilliary function of stopping; At last; When the needs releasing of brake; Promote the auxilliary pull bar handle 7 of stopping earlier and turn right, brake arm plate 5 drives on the brake tooth bar 10 and moves the brake gear teeth 8 that break away from brake wheel 3, then promotes the main pull bar handle 6 of stopping and turns right; Make brake drum cam lever 4 drive brake drum releasing of brake wheel shaft 2, unlock and braking state.
Claims (10)
1. a pumping unit braking safety device is characterized in that comprising oil pumping frame, duplex pull rod control device, brake wheel shaft, brake wheel, brake drum, brake drum cam lever, brake arm plate, main transmission device and the auxilliary transmission device of stopping stopped; The duplex pull rod control device is fixedly mounted on oil pumping frame left part; Main pull bar handle and the auxilliary pull bar handle of stopping stopped is installed on the duplex pull rod control device; The brake wheel shaft that is connected with the pumping unit transmission device is installed on the oil pumping frame and can rotates; Brake wheel is fixedly mounted on the brake wheel shaft, on the oil pumping frame in the brake wheel shaft outside brake drum is installed, and the right-hand member that can move down the brake drum cam lever that drives brake drum locking brake wheel shaft is connected with brake drum; The periphery of brake wheel is evenly distributed with the brake gear teeth; Brake arm plate right-hand member is installed on the oil pumping frame of brake wheel top through the brake arm hinge, and the middle part of brake arm plate is fixed with the brake tooth bar, and the auxilliary latch of stopping that can be meshed with the brake gear teeth is arranged at brake tooth bar bottom; The main pull bar handle of stopping is connected with the left end of brake drum cam lever through the main transmission device of stopping, and the auxilliary pull bar handle of stopping is connected with the left end of brake arm plate through the auxilliary transmission device of stopping.
2. pumping unit braking safety device according to claim 1, it is characterized in that the duplex pull rod control device comprise control stand, the main control frame of stopping, the auxilliary control frame of stopping, main stop control rotating shaft, auxilliary stopping controlled rotating shaft and the major-minor interlock of stopping; Control the stand bottom and be installed in oil pumping frame left part through bolt, control the stand front and rear and be installed with main control frame and the auxilliary control frame of stopping stopped respectively, master control frame axis hole is arranged at main bottom of stopping the control frame, and auxilliary control frame axis hole is arranged at auxilliary bottom of stopping the control frame; The main pull bar handle, at its lower end of stopping is controlled rotating shaft and is hinged on main stopping with master control frame axis hole and controls on the frame through main stopping; The auxilliary pull bar handle, at its lower end of stopping is controlled rotating shaft and is hinged on the auxilliary control frame of stopping with auxilliary control frame axis hole through auxilliary stopping; The main pull bar handle bottom of stopping is equipped with the main hinge and be connected with the main transmission device left part of stopping through the main hinge of stopping stopped, the auxilliary pull bar handle bottom of stopping be equipped with auxilliary stop hinge and through auxilliary stop hinge with assist the transmission device left part of stopping and be connected; Be installed with the major-minor interlock of stopping on the oil pumping frame between main brake handle and the auxiliary brake handle; The major-minor interlock of stopping comprises interlock bracket, inter-locking panel rotating shaft, interlocking rotating disk, guide groove pivoted arm, guide chute, the main handle pilot pin of stopping, interlocking block and the auxilliary handle pilot pin of stopping; The interlock bracket bottom is fixedly mounted on the oil pumping frame, the top interlocking frame axis hole of interlock bracket, and the inter-locking panel rotating shaft is installed in the interlocking frame axis hole and can rotates; The rear end of inter-locking panel rotating shaft is fixed with the interlocking rotating disk; The front end of inter-locking panel rotating shaft is fixed with the guide groove pivoted arm, has on the guide groove pivoted arm along the guide chute of guide groove pivoted arm length direction, and the trailing flank bottom of main brake handle is fixed with the main handle pilot pin of stopping; The main handle pilot pin of stopping is installed in the guide chute and can slides along guide chute; Be fixed with the interlocking block on the ear end face of interlocking rotating disk, the leading flank bottom of auxiliary brake handle is fixed with the auxilliary handle pilot pin of stopping, and the anterior left end of the auxilliary handle pilot pin of stopping is pressed on the right flank of interlocking block.
3. pumping unit braking safety device according to claim 1 and 2; It is characterized in that the main pull bar handle of stopping is separately installed with the manipulation locking device with assisting on the pull bar handle of stopping, and handles locking device and comprises release lever, shank of the key rotating shaft, shank of the key hinge, release connecting rod, lock dog hinge, lock slider, locking spring and locking tongue; The lower end left part of release lever is hinged on main pull bar handle or the auxilliary pull bar handle top of stopping of stopping through the shank of the key rotating shaft; The lower end right part of release lever is hinged through the upper end of shank of the key hinge and release connecting rod; The lower end of release connecting rod is hinged on lock slider top through the lock dog hinge, and the lock dog slideway is arranged respectively at main bottom of stopping pull bar handle and the auxilliary pull bar handle of stopping, and is fixed with slide blocks on the lock slider and is installed in the lock dog slideway through slide blocks inner; In the lock dog slideway on slide blocks top the locking spring is installed; The upper end of locking spring holds out against on lock dog slideway inner chamber upper-end surface, and the lower end of locking spring holds out against on the upper-end surface of slide blocks, and the lock slider bottom is installed with the locking tongue; The main control frame of stopping is circular-arc and is distributed with lock ratchet with auxilliary upper end of stopping the control frame; Form the ratchet slot that the bottom surface is high right low inclined-plane, a left side between adjacent two lock ratchet, there is high right low dead bolt inclined-plane, a left side lower end of locking tongue, and the locking tongue is pressed on the ratchet slot bottom surface through the dead bolt inclined-plane.
4. pumping unit braking safety device according to claim 1 and 2 is characterized in that the main transmission device of stopping comprises the main drag link of stopping, the main pivoted arm seat of stopping, the main rotating shaft of stopping, main lever and the main vertical connecting rod of stopping stopped; The main lever of stopping comprises the main initiatively pivoted arm and the main driven pivoted arm of stopping stopped; The upper end of the main pivoted arm initiatively stopped is fixed together with the left end of the main driven pivoted arm of stopping or is connected as a single entity, and mainly stops initiatively that the joint of pivoted arm upper end and the main driven pivoted arm left end of stopping is hinged on the main pivoted arm seat top of stopping through the main rotating shaft of stopping; The left end of the main drag link of stopping is hinged on the main pull bar handle bottom of stopping through the main hinge of stopping; The right-hand member of the main drag link of stopping is hinged on the main initiatively pivoted arm bottom of stopping through the main active hinge of stopping; The lower end of the main vertical connecting rod of stopping is hinged on the main driven pivoted arm right part of stopping through the main driven hinge of stopping, and the upper end of the main vertical connecting rod of stopping is hinged on the left end of brake drum cam lever through the main montant hinge of stopping.
5. pumping unit braking safety device according to claim 3 is characterized in that the main transmission device of stopping comprises the main drag link of stopping, the main pivoted arm seat of stopping, the main rotating shaft of stopping, main lever and the main vertical connecting rod of stopping stopped; The main lever of stopping comprises the main initiatively pivoted arm and the main driven pivoted arm of stopping stopped; The upper end of the main pivoted arm initiatively stopped is fixed together with the left end of the main driven pivoted arm of stopping or is connected as a single entity, and mainly stops initiatively that the joint of pivoted arm upper end and the main driven pivoted arm left end of stopping is hinged on the main pivoted arm seat top of stopping through the main rotating shaft of stopping; The left end of the main drag link of stopping is hinged on the main pull bar handle bottom of stopping through the main hinge of stopping; The right-hand member of the main drag link of stopping is hinged on the main initiatively pivoted arm bottom of stopping through the main active hinge of stopping; The lower end of the main vertical connecting rod of stopping is hinged on the main driven pivoted arm right part of stopping through the main driven hinge of stopping, and the upper end of the main vertical connecting rod of stopping is hinged on the left end of brake drum cam lever through the main montant hinge of stopping.
6. pumping unit braking safety device according to claim 1 and 2 is characterized in that the auxilliary transmission device of stopping comprises the auxilliary drag link of stopping, the auxilliary pivoted arm seat of stopping, the auxilliary rotating shaft of stopping, auxilliary lever and the auxilliary vertical connecting rod of stopping stopped; The auxilliary lever of stopping comprises assists stop initiatively pivoted arm and the auxilliary driven pivoted arm of stopping, and the upper end of the auxilliary active pivoted arm of stopping is fixed together with the left end of the auxilliary driven pivoted arm of stopping or is connected as a single entity, and the middle part of the auxilliary driven pivoted arm of stopping is hinged on through the auxilliary rotating shaft of stopping and assists the pivoted arm seat top of stopping; The left end of the auxilliary drag link of stopping is hinged on the auxilliary pull bar handle bottom of stopping through the auxilliary hinge of stopping; The right-hand member of the auxilliary drag link of stopping is hinged on the auxilliary initiatively pivoted arm lower end of stopping through the auxilliary active hinge of stopping; The lower end of the auxilliary vertical connecting rod of stopping is hinged on the auxilliary driven pivoted arm right-hand member of stopping through the auxilliary driven hinge of stopping, and the upper end of the auxilliary vertical connecting rod of stopping is hinged on the middle part of brake arm plate through the auxilliary montant hinge of stopping.
7. pumping unit braking safety device according to claim 3 is characterized in that the auxilliary transmission device of stopping comprises the auxilliary drag link of stopping, the auxilliary pivoted arm seat of stopping, the auxilliary rotating shaft of stopping, auxilliary lever and the auxilliary vertical connecting rod of stopping stopped; The auxilliary lever of stopping comprises assists stop initiatively pivoted arm and the auxilliary driven pivoted arm of stopping, and the upper end of the auxilliary active pivoted arm of stopping is fixed together with the left end of the auxilliary driven pivoted arm of stopping or is connected as a single entity, and the middle part of the auxilliary driven pivoted arm of stopping is hinged on through the auxilliary rotating shaft of stopping and assists the pivoted arm seat top of stopping; The left end of the auxilliary drag link of stopping is hinged on the auxilliary pull bar handle bottom of stopping through the auxilliary hinge of stopping; The right-hand member of the auxilliary drag link of stopping is hinged on the auxilliary initiatively pivoted arm lower end of stopping through the auxilliary active hinge of stopping; The lower end of the auxilliary vertical connecting rod of stopping is hinged on the auxilliary driven pivoted arm right-hand member of stopping through the auxilliary driven hinge of stopping, and the upper end of the auxilliary vertical connecting rod of stopping is hinged on the middle part of brake arm plate through the auxilliary montant hinge of stopping.
8. pumping unit braking safety device according to claim 4 is characterized in that the auxilliary transmission device of stopping comprises the auxilliary drag link of stopping, the auxilliary pivoted arm seat of stopping, the auxilliary rotating shaft of stopping, auxilliary lever and the auxilliary vertical connecting rod of stopping stopped; The auxilliary lever of stopping comprises assists stop initiatively pivoted arm and the auxilliary driven pivoted arm of stopping, and the upper end of the auxilliary active pivoted arm of stopping is fixed together with the left end of the auxilliary driven pivoted arm of stopping or is connected as a single entity, and the middle part of the auxilliary driven pivoted arm of stopping is hinged on through the auxilliary rotating shaft of stopping and assists the pivoted arm seat top of stopping; The left end of the auxilliary drag link of stopping is hinged on the auxilliary pull bar handle bottom of stopping through the auxilliary hinge of stopping; The right-hand member of the auxilliary drag link of stopping is hinged on the auxilliary initiatively pivoted arm lower end of stopping through the auxilliary active hinge of stopping; The lower end of the auxilliary vertical connecting rod of stopping is hinged on the auxilliary driven pivoted arm right-hand member of stopping through the auxilliary driven hinge of stopping, and the upper end of the auxilliary vertical connecting rod of stopping is hinged on the middle part of brake arm plate through the auxilliary montant hinge of stopping.
9. pumping unit braking safety device according to claim 5 is characterized in that the auxilliary transmission device of stopping comprises the auxilliary drag link of stopping, the auxilliary pivoted arm seat of stopping, the auxilliary rotating shaft of stopping, auxilliary lever and the auxilliary vertical connecting rod of stopping stopped; The auxilliary lever of stopping comprises assists stop initiatively pivoted arm and the auxilliary driven pivoted arm of stopping, and the upper end of the auxilliary active pivoted arm of stopping is fixed together with the left end of the auxilliary driven pivoted arm of stopping or is connected as a single entity, and the middle part of the auxilliary driven pivoted arm of stopping is hinged on through the auxilliary rotating shaft of stopping and assists the pivoted arm seat top of stopping; The left end of the auxilliary drag link of stopping is hinged on the auxilliary pull bar handle bottom of stopping through the auxilliary hinge of stopping; The right-hand member of the auxilliary drag link of stopping is hinged on the auxilliary initiatively pivoted arm lower end of stopping through the auxilliary active hinge of stopping; The lower end of the auxilliary vertical connecting rod of stopping is hinged on the auxilliary driven pivoted arm right-hand member of stopping through the auxilliary driven hinge of stopping, and the upper end of the auxilliary vertical connecting rod of stopping is hinged on the middle part of brake arm plate through the auxilliary montant hinge of stopping.
10. pumping unit braking safety device according to claim 9, it is characterized in that main stop the drag link left end with mainly stop between the pull bar handle, main stop the drag link right-hand member with mainly stop initiatively between the pivoted arm, main stop the vertical connecting rod lower end with mainly stop between the driven pivoted arm, between main stop vertical connecting rod upper end and the brake drum cam lever, auxilliary stop the drag link left end with auxilliaryly stop between the pull bar handle, the auxilliary drag link right-hand member of stopping stops between the active pivoted arm, assists the vertical connecting rod lower end and assist and stop between the driven pivoted arm, assist on the vertical connecting rod of stopping and be separately installed with the adjusting connection set between the brake arm plate of stopping with assisting; Regulate connection set and comprise hinged sheath body and double-screw bolt joint; One end of hinged sheath body has hinging hole; Internal thread is arranged on the internal chamber wall of hinged sheath body and the double-screw bolt joint is installed; It is inner that one end of double-screw bolt joint is installed in hinged sheath body, and the other end of double-screw bolt joint has tapped hole and is fixedly mounted on main stop drag link or main stop vertical connecting rod or auxilliary stop drag link or the auxilliary vertical connecting rod of stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018742.8A CN102562886B (en) | 2012-01-20 | 2012-01-20 | Safety brake device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018742.8A CN102562886B (en) | 2012-01-20 | 2012-01-20 | Safety brake device of oil pumping unit |
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| CN102562886A true CN102562886A (en) | 2012-07-11 |
| CN102562886B CN102562886B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210018742.8A Active CN102562886B (en) | 2012-01-20 | 2012-01-20 | Safety brake device of oil pumping unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103967452A (en) * | 2014-05-04 | 2014-08-06 | 河南信宇石油机械制造股份有限公司 | Automatic brake control system |
| CN105465243A (en) * | 2015-12-29 | 2016-04-06 | 中国石油天然气股份有限公司 | Automatic start-stop brake device of oil pumping unit |
| CN109098697A (en) * | 2018-09-26 | 2018-12-28 | 西安鹏瑞石油科技有限公司 | oil well intelligent brake control system |
| CN109630570A (en) * | 2019-01-28 | 2019-04-16 | 任丘市本溪石油设备有限公司 | A kind of dead brake hook automatic ejection resetting apparatus |
| CN109878477A (en) * | 2019-02-22 | 2019-06-14 | 银芳丽 | A kind of crawler belt brake gear for ploughing machine |
| CN111946757A (en) * | 2020-08-26 | 2020-11-17 | 曹悦新 | Safety brake device of oil pumping unit |
| CN112065899A (en) * | 2020-07-24 | 2020-12-11 | 贵州新安航空机械有限责任公司 | Manual brake operating device |
| CN112253650A (en) * | 2020-10-21 | 2021-01-22 | 东营鑫水机电有限责任公司 | Continuous closed-loop operation's beam-pumping unit safety device of stopping that dies |
| CN113107994A (en) * | 2021-05-10 | 2021-07-13 | 中国石油大学(华东) | Method and device for improving braking safety of beam-pumping unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103967452A (en) * | 2014-05-04 | 2014-08-06 | 河南信宇石油机械制造股份有限公司 | Automatic brake control system |
| CN105465243A (en) * | 2015-12-29 | 2016-04-06 | 中国石油天然气股份有限公司 | Automatic start-stop brake device of oil pumping unit |
| CN105465243B (en) * | 2015-12-29 | 2018-06-01 | 中国石油天然气股份有限公司 | Automatic start-stop brake device of oil pumping unit |
| CN109098697A (en) * | 2018-09-26 | 2018-12-28 | 西安鹏瑞石油科技有限公司 | oil well intelligent brake control system |
| CN109630570A (en) * | 2019-01-28 | 2019-04-16 | 任丘市本溪石油设备有限公司 | A kind of dead brake hook automatic ejection resetting apparatus |
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| CN109878477A (en) * | 2019-02-22 | 2019-06-14 | 银芳丽 | A kind of crawler belt brake gear for ploughing machine |
| CN112065899A (en) * | 2020-07-24 | 2020-12-11 | 贵州新安航空机械有限责任公司 | Manual brake operating device |
| CN111946757A (en) * | 2020-08-26 | 2020-11-17 | 曹悦新 | Safety brake device of oil pumping unit |
| CN112253650B (en) * | 2020-10-21 | 2022-03-08 | 东营鑫水机电有限责任公司 | Continuous closed-loop operation's beam-pumping unit safety device of stopping that dies |
| CN112253650A (en) * | 2020-10-21 | 2021-01-22 | 东营鑫水机电有限责任公司 | Continuous closed-loop operation's beam-pumping unit safety device of stopping that dies |
| CN113107994A (en) * | 2021-05-10 | 2021-07-13 | 中国石油大学(华东) | Method and device for improving braking safety of beam-pumping unit |
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| CN102562886B (en) | 2014-12-17 |
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Effective date of registration: 20211203 Address after: No.63, Shengli second village, Saertu District, Daqing City, Heilongjiang Province Patentee after: DAQING TENGFEI PETROLEUM MACHINERY Co.,Ltd. Address before: No. 20, Anton West Road, Korla economic and Technological Development Zone, Bayinguoleng Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region 841000 Patentee before: Wang An Hui |