CN111485855A - Safe and quick unlocking device for dead brake of beam-pumping unit - Google Patents
Safe and quick unlocking device for dead brake of beam-pumping unit Download PDFInfo
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- CN111485855A CN111485855A CN201910083220.8A CN201910083220A CN111485855A CN 111485855 A CN111485855 A CN 111485855A CN 201910083220 A CN201910083220 A CN 201910083220A CN 111485855 A CN111485855 A CN 111485855A
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- 238000005086 pumping Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- 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
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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Abstract
The invention discloses a safe and quick unlocking device for a dead brake of a beam-pumping unit, which comprises an adjusting control mechanism and a driving mechanism, wherein the adjusting control mechanism comprises a moving shaft, a hinged support and a connecting sleeve, the rear end of the moving shaft is connected with the front end of the connecting sleeve, the front end of the driving mechanism is connected with the rear end of the connecting sleeve, the hinged support is welded on the moving shaft, and the rear end of a brake plate of the dead brake of the beam-pumping unit is hinged on the hinged support through a pin shaft. The adjusting and controlling mechanism further comprises a front support and a rear support, the front support and the rear support are fixed on the support plate through bolts respectively, the front end of the moving shaft slidably extends into a sliding hole formed in the front support, and the rear end of the moving shaft slidably extends into a sliding hole formed in the rear support. According to the invention, the distance between the pawls of the brake plate and the clamping groove of the brake wheel is adjusted, so that safe and quick unlocking on site is realized. The brake locking device has the advantages of keeping the original dead brake locking function (safety function) and simultaneously having the functions of on-site convenience, rapidness and safety unlocking (unloading).
Description
Technical Field
The invention relates to the technical field of dead brakes of beam-pumping units, in particular to a safe and quick unlocking device for the dead brakes of the beam-pumping units.
Background
When the pumping unit is stopped, the pawl is clamped into the dovetail groove, so that the brake wheel is in a locking state, the process is that the brake is hung, and the safety function of the brake is achieved. The structure has the defect that when a pawl of a dead brake braking plate is clamped into a dovetail groove of a brake wheel to be locked, the pawl is usually difficult to take out from the dovetail groove of the brake wheel under the load, and the safe, convenient and quick unlocking on site cannot be realized. The load makes the braking plate pawl difficult to unlock, and when the dead brake is in operation, the braking plate pawl is clamped into the brake wheel dovetail groove to be locked, the pawl is difficult to take out from the brake wheel dovetail groove under the load, and the unlocking can be completed only by means of the cooperation of a crane.
Application No.: 201810077758.3 provides a locking structure of automatic balance adjusting mechanism of oil pumping unit, the mechanism is driven by the self gravity of balance block, the automatic balance adjusting mechanism includes: the balance detection module of the pumping unit automatically detects the average power of the up stroke and the down stroke of the pumping unit, calculates the balance degree of the pumping unit, judges the balance condition of the pumping unit, and realizes the movement in the corresponding direction under the action of the weight balance trolley and the weight balance gravity, so that the pumping unit reaches a balance state. The device has the advantages of simple structure, easy manufacture, high reliability, good durability, convenient maintenance, adaptation to on-site working conditions and the like.
Application No.: 201620063305.1 relates to the technical field of pumping unit brake devices, in particular to a pumping unit brake locking device; the brake comprises a brake wheel, a clamping block, a ratchet gear ring, a fixed seat, a pressure rod, a claw head, a transmission device and a self-locking screw rod; at least two grooves are uniformly distributed on the rim of the brake wheel along the circumference, clamping blocks which correspond to the grooves one to one and can be fixedly clamped in the grooves are uniformly fixed on the rear side of the ratchet gear ring along the circumference, and the ratchet gear ring is fixedly arranged on the brake wheel through the matching of the grooves and the clamping blocks. The utility model has reasonable and compact structure and convenient use, the self-locking lead screw pulls down the pressure lever, the claw head is meshed with the ratchet gear ring, and the brake wheel can be locked at any angle; the pressure lever is jacked up through the self-locking screw rod, the claw head is disengaged from the ratchet gear ring, and the lock can be unlocked at any angle; the claw head is effectively prevented from popping up when being subjected to impact load, and the safety of the field operation of the oil field is ensured; the field operation is convenient, and a large amount of operation cost is saved; the pumping unit can be used for the transformation of the existing pumping unit and can also be matched with a newly-built pumping unit.
Application No.: 201510902522.5 discloses a quick unlocking self-locking pin, which comprises a pin body and a pin body head at the lower end of the pin body, wherein the pin body is sleeved with a pin sleeve, and one side of the upper part of the pin sleeve is welded with a pin handle; the pin body is provided with a locking plate and a pressing handle. The invention is convenient to maintain, very convenient and practical, and can be used for large-scale oil pumping mechanical equipment in an oil field when being manufactured into a large-scale bayonet lock; the small pin can be used for automatic check pin.
Application No.: 201320098780.9 discloses a movable dead brake unlocking device, which is an auxiliary technique for maintaining an oil pumping unit, overcomes the defects of other techniques, and has the structural relationship that: the base is fixed on the foundation by a fixing bolt, and the telescopic pipe is sleeved in the pipe of the base and is positioned by a positioning pin; an angle iron is welded at the top end of the extension tube, a wearing hoop is welded on the angle iron, a clamping groove is arranged in the middle of the angle iron, and a handle is arranged in the clamping groove; the sucker rod is inserted in the wearing hoop, one end of the sucker rod is connected with the connecting piece and fixed by the connecting bolt, the other end of the connecting piece is connected with the spring by the connecting ring, and the lower end of the spring is provided with the hanging ring.
The retrieval shows that a large quantity of pumping unit dead brake locking devices exist, and various locking devices can be unlocked without necessity, but the unlocking mechanism aiming at the dead brake locking device in the application does not exist, and the method belongs to the technical blank.
And the specially retrieved unlocking device for the dead brake locking device is not similar to the application.
Disclosure of Invention
The invention aims to provide a safe and quick unlocking device for a dead brake of a beam pumping unit, which realizes safe and quick unlocking on site by adjusting the distance between pawls of a brake plate and clamping grooves of a brake wheel. The brake locking device has the advantages of keeping the original dead brake locking function (safety function) and simultaneously having the functions of on-site convenience, rapidness and safety unlocking (unloading).
In order to achieve the purpose, the invention adopts the following technical scheme that the safe and quick unlocking device for the dead brake of the beam-pumping unit comprises an adjusting control mechanism and a driving mechanism, wherein the adjusting control mechanism comprises a moving shaft, a hinged support and a connecting sleeve, the rear end of the moving shaft is connected with the front end of the connecting sleeve, the front end of the driving mechanism is connected with the rear end of the connecting sleeve, the hinged support is welded on the moving shaft, and the rear end of a brake plate of the dead brake of the beam-pumping unit is hinged on the hinged support through a pin shaft.
The driving mechanism comprises a screw and a screw sleeve support, the screw sleeve support is provided with a screw sleeve hole, the bottom of the screw sleeve support is fixed on the mounting support through a bolt, and the screw is mounted in the screw sleeve hole of the screw sleeve support in a matching mode.
The outer wall of the front end of the screw is a polished rod and is arranged in a bearing inner ring of the bearing in an interference fit manner, and a bearing outer ring of the bearing is also in interference fit connection with the inner hole wall of the connecting sleeve; the rear end of the movable shaft is welded or connected with the left end of the connecting sleeve through a bolt.
The front end of the screw rod extends into the inner hole of the connecting sleeve, and the front end surface of the screw rod and the inner wall of the rear port of the inner hole of the connecting sleeve are simultaneously provided with corresponding axial limiting tables; the rear end of the movable shaft is welded or connected with the left end of the connecting sleeve through a bolt.
The mounting bracket comprises a bracket plate and a side plate, the lower surface of the bracket plate is welded on the side plate, the bottom of the screw sleeve support is fixed on the bracket plate through a bolt, and the side plate is fixed on a reduction gearbox shell of the beam-pumping unit through a welding mode or a bolt fixing mode.
And reinforcing ribs are arranged between the lower surface of the support plate and the side surfaces of the side plates.
The adjusting and controlling mechanism further comprises a front support and a rear support, the front support and the rear support are fixed on the support plate through bolts respectively, the front end of the moving shaft slidably extends into a sliding hole formed in the front support, and the rear end of the moving shaft slidably extends into a sliding hole formed in the rear support.
The rear end of the screw is provided with a wrench opening joint connected with a wrench or a jack connected with a rocking handle or a transmission joint connected with a motor output shaft.
Compared with the prior art, the invention has the following beneficial effects:
the mounting bracket is fixedly connected with the reduction gearbox body of the beam-pumping unit, and the hinged support is fixed on the bracket and connected with the brake plate. The original brake device has the brake plate pawl clamp which can only rotate around the bearing seat pin shaft. When the pawl of the brake plate is clamped into the dovetail groove of the brake wheel to bear, the brake is locked, and the brake cannot be conveniently, quickly and safely unloaded on site to realize quick unlocking. The invention relates to a safe and quick unlocking device for a dead brake, which utilizes the fact that the size of a pawl of a brake plate is smaller than that of a dovetail groove of a brake wheel, and the pawl has a certain moving space relative to the dovetail groove in a free state. The driving screw rod is rotated clockwise and anticlockwise to drive the hinged support to move back and forth along the support platform, the brake plate is driven to move back and forth through the pin shaft, the gap between the pawl of the brake plate and the clamping groove of the brake wheel is adjusted, the brake plate is separated from the brake wheel, and the function of convenient, quick, safe and quick unlocking is achieved.
The invention mainly aims at the problem that the existing beam pumping dead brake cannot be unlocked (unloaded) conveniently, quickly and safely on site in use, and designs a dead brake safe and quick unlocking device, which keeps the original dead brake function (safety function) and has the functions of convenient, quick and safe unlocking on site. The device realizes safe and rapid unlocking on site by operators, thereby achieving the purposes of improving the intrinsic safety of the pumping unit, lightening the labor intensity of the operators, saving the time consumption of the operation process, improving the production efficiency and saving the production cost.
Drawings
FIG. 1 is a schematic structural view of a beam-pumping unit dead brake safety quick unlocking device of the present invention;
FIG. 2 is a schematic structural diagram of the beam-pumping unit dead brake safe and quick unlocking device when unlocking;
FIG. 3 is a schematic view of a connection structure of one embodiment of a coupling sleeve and a front end of a screw rod;
FIG. 4 is a schematic view of another embodiment of the connection structure of the coupling sleeve and the front end of the screw rod;
FIG. 5 is a schematic view of a third embodiment of the connection structure of the coupling sleeve and the front end of the screw rod.
The labels in the figure are: the brake wheel 1, the brake plate 2, the front support 3, the moving shaft 4, the hinged support 5, the pin shaft 6, the rear support 7, the connecting sleeve 8, the screw sleeve support 9, the screw 10, the support plate 11, the reinforcing rib 12, the bolt 13, the side plate 14, the left contact surface 15 of the dovetail groove, the right contact surface 16 of the dovetail groove, the pawl 17, the bearing 18 and the axial limiting table 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: beam-pumping unit dead brake safe quick unlocking device, including adjustment control mechanism, actuating mechanism, adjustment control mechanism is including removing axle 4, hinged-support 5, coupling sleeve 8, it is connected with 8 front ends of coupling sleeve to remove 4 rear ends of axle, the actuating mechanism front end is connected with the coupling sleeve rear end, hinged-support 5 welds on removing axle 4, and the rear end of beam-pumping unit dead brake's braking plate 2 articulates on hinged-support 5 through round pin axle 6, all sets up corresponding round pin shaft hole on braking plate rear end and the hinged-support.
The driving mechanism comprises a screw rod 10 and a screw sleeve support 9, the screw sleeve support is provided with a screw sleeve hole, the bottom of the screw sleeve support is fixed on the mounting support through a bolt, and the screw rod is installed in the screw sleeve hole of the screw sleeve support in a matching mode.
The outer wall of the front end of the screw is a polished rod and is arranged in the inner ring of a bearing 18 of the bearing in an interference fit manner, and the outer ring of the bearing is also connected with the inner hole wall of the connecting sleeve in an interference fit manner; the rear end of the movable shaft is welded or connected with the left end of the connecting sleeve through a bolt. Or the front end of the screw rod extends into the inner hole of the connecting sleeve, and the front end surface of the screw rod and the inner wall of the rear port of the inner hole of the connecting sleeve are simultaneously provided with the corresponding axial limiting tables 19; the rear end of the movable shaft is welded or connected with the left end of the connecting sleeve through a bolt.
The mounting bracket comprises a bracket plate 11 and a side plate 14, the lower surface of the bracket plate is welded on the side plate, the bottom of the screw sleeve support is fixed on the bracket plate through a bolt, and the side plate is fixed on a reduction gearbox shell of the beam-pumping unit through a welding mode or a bolt fixing mode. And reinforcing ribs 12 are arranged between the lower surface of the support plate and the side surfaces of the side plates.
The adjusting and controlling mechanism further comprises a front support 3 and a rear support 7, the front support and the rear support are respectively fixed on the support plate 11 through bolts, the front end of the moving shaft slidably extends into a sliding hole formed in the front support, and the rear end of the moving shaft slidably extends into a sliding hole formed in the rear support. The guide stabilizing mechanism is used, the moving shaft moves stably, the brake plate is stable, and then the distance between the pawl and the dovetail groove can be accurately controlled.
The rear end of the screw rod 10 is provided with a wrench opening joint connected with a wrench, or the rear end of the screw rod is provided with a jack connected with a rocking handle, or the rear end of the screw rod is provided with a transmission joint connected with a motor output shaft.
Installing a support: the mounting bracket is fixed on the input end cover of the reduction gearbox through 3 bolts and is used for mounting an adjusting control mechanism and an operating mechanism.
The adjusting and controlling mechanism: the front support 3, the rear support 7 and the thread sleeve support 9 are fixed on the mounting bracket through bolts 13. The brake plate 2 is arranged on a hinged support 5 through a pin shaft 6, the hinged support 5 is welded with a movable shaft 4, the movable shaft 4 is arranged on a front support 3 and a rear support 7, a driving screw 10 is arranged on a screw sleeve support 9, the movable shaft 4 is connected with the driving screw 10 through a connecting sleeve 8, the movable shaft 4 is ensured to move back and forth along with the driving screw 10 when the driving screw 10 is rotated, and the function of controlling the brake plate 2 to move back and forth is achieved.
A driving mechanism: the driving screw 10 is rotated clockwise (anticlockwise) to move forwards (backwards); the movable shaft 4 and the hinged support 5 are driven by the connecting sleeve 8 to move forwards (backwards) along the support plate 11, and then the brake plate 2 is driven by the pin shaft 6 to move forwards (backwards).
Because the hinged support is welded on the moving shaft, the moving shaft cannot rotationally move back and forth but only can slidably move back and forth, and the rear end of the moving shaft can be connected with the connecting sleeve in a welding mode or in other modes such as a bolt connection mode.
Because the screw rod is arranged in the screw sleeve hole formed in the screw sleeve support and belongs to a rotary type driving mechanism moving back and forth, the front end of the screw rod and the connecting sleeve must be connected in a shaft connection rotating mode, the connection can be realized by adopting a mode of arranging the bearing 18 between the outer wall of the screw rod and the inner wall of the connecting sleeve, namely, the inner ring of the bearing is connected with the outer wall of the front end of the screw rod in an interference fit mode, the outer ring of the bearing is also connected with the inner hole wall of the connecting sleeve in an interference fit mode, and the bearing cannot be separated due to the force of pulling and unloading a brake plate, so the bearing can be used in the interference fit. Of course, if the separation is worried about, the axial limiting table 19 can be arranged on the two parts simultaneously for reinforcing the use, the two parts can rotate relatively and can be pulled axially to be connected, and the separation is not easy to occur in the mode, as shown in fig. 4. Of course, the two methods can be combined for use, the abrasion is small, and the bearing is not easy to fall off, for example, a bearing is additionally arranged on the basis of fig. 4. However, any structure is within the protection scope of the invention as long as the transmission connection mode of the two ends of the connecting sleeve belongs to the principle. In order to protect the bearing from dust, a bearing cover can be additionally arranged at the rear end of the connecting sleeve.
The size of the pawl of the brake plate is smaller than that of the dovetail groove of the brake wheel, and the pawl has a certain moving space relative to the dovetail groove in a free state. The driving screw rod 10 is rotated clockwise and anticlockwise to drive the connecting sleeve 8 to drive the moving shaft 4 and the hinged support 5 to move forwards and backwards along the support plate 11, the brake plate 2 is driven to move forwards and backwards through the pin shaft 6, the gap between the brake plate (pawl) 2 and the brake wheel 1 is adjusted, the brake plate 2 is separated from the brake wheel 1, the brake plate 2 is rotated out of the brake wheel 1, and the convenient, fast, safe and fast unlocking function is achieved.
A safe and quick unlocking device for a dead brake is characterized in that a mounting bracket is fixedly connected with a reduction gearbox body of a beam pumping unit, and a hinged support is fixed on the bracket and connected with a brake plate. The size of the pawl of the brake plate is smaller than that of the dovetail groove of the brake wheel, and the pawl has a certain moving space relative to the dovetail groove in a free state. The driving screw rod is rotated clockwise and anticlockwise, the brake plate pawl is driven to move correspondingly through the connecting sleeve, the moving shaft, the moving hinged support and the pin shaft, the brake plate pawl is unloaded, the brake plate pawl is rotated out from the dovetail groove of the brake wheel, and the function of convenient, quick, safe and quick unlocking is achieved.
The working principle is as follows:
1. dead brake locking operating condition
The dead brake has two locking states: respectively (a) the pawl of the brake plate 2 is contacted with the left side of the dovetail groove of the brake wheel 1, and (b) the pawl of the brake plate 2 is contacted with the right side of the dovetail groove of the brake wheel 1;
2. unloading the locking state of the dead brake:
(1) for the unloading of the locked state in (a):
the driving screw 10 is rotated anticlockwise, the moving shaft 4, the hinged support 5 and the pin shaft 6 are driven to move rightwards through the connecting sleeve 8, the pin shaft 6 drives the braking plate 2 to move rightwards along with the moving shaft, a certain gap is separated between the left side of the pawl of the braking plate 2 and the contact surface of the right side of the dovetail groove of the braking wheel 1, and the purpose of unloading the load of the braking plate 2 is achieved.
(2) For the unloading of the locked state in (b):
the driving screw 10 is rotated clockwise, the moving shaft 4, the hinged support 5 and the pin shaft 6 are driven to move leftwards through the connecting sleeve 8, the pin shaft 6 drives the brake plate 2 to move leftwards along with the moving shaft, so that the right side of the pawl of the brake plate 2 is separated from the contact surface of the left side of the dovetail groove of the brake wheel 1 by a certain gap, and the purpose of unloading the load of the brake plate 2 is achieved.
3. Unlocking a dead brake:
the brake plate 2 is rotated clockwise on the basis of unloading of the brake plate 2, at the moment, the brake plate can be carried by hands to be rotated and unlocked, and certainly, an instrument can be used for pulling and rotating the brake plate to turn to the right side, so that the brake plate and the brake wheel 1 are completely separated to realize unlocking, and a dead brake is in an unlocking standby state, as shown in fig. 2.
According to the invention, the clearance between the brake plate and the brake groove is adjusted through the dead brake unlocking device, so that the dead brake unlocking is completed. The unlocking device has the advantages of realizing on-site, manual, convenient, quick and safe unlocking effects.
In the description of the present invention, it is to be understood that the positional indications or positional relationships are based on those shown in the drawings and are for the purpose of facilitating the description of the present invention, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Beam-pumping unit dead brake safety quick unlocking device, its characterized in that, including adjustment control mechanism, actuating mechanism, adjustment control mechanism is including removing axle, hinged-support, coupling sleeve, it is connected with the coupling sleeve front end to remove the axle rear end, the actuating mechanism front end is connected with the coupling sleeve rear end, hinged-support welding is on removing the axle, and the rear end of the braking plate of beam-pumping unit dead brake articulates on the hinged-support through the round pin axle.
2. The beam-pumping unit dead brake safety quick unlocking device of claim 1, wherein the driving mechanism comprises a screw and a screw sleeve support, the screw sleeve support is provided with a screw sleeve hole, the bottom of the screw sleeve support is fixed on the mounting bracket through a bolt, and the screw is installed in the screw sleeve hole of the screw sleeve support in a matching manner.
3. The safe and quick unlocking device for the dead brake of the beam-pumping unit according to claim 2, wherein the outer wall of the front end of the screw is installed in a bearing inner ring of the bearing in an interference fit manner by a polish rod, and a bearing outer ring of the bearing is also installed and connected with the inner hole wall of the connecting sleeve in an interference fit manner; the rear end of the movable shaft is welded or connected with the left end of the connecting sleeve through a bolt.
4. The safe and quick unlocking device for the dead brake of the beam-pumping unit according to claim 2, wherein the front end of the screw rod extends into the inner hole of the coupling sleeve, and the front end surface of the screw rod and the inner wall of the rear port of the inner hole of the coupling sleeve are simultaneously provided with corresponding axial limiting tables; the rear end of the movable shaft is welded or connected with the left end of the connecting sleeve through a bolt.
5. The device for safely and quickly unlocking a dead brake of a beam pumping unit according to claim 2, 3 or 4, wherein the mounting bracket comprises a bracket plate and a side plate, the lower surface of the bracket plate is welded on the side plate, the bottom of the screw sleeve support is fixed on the bracket plate through a bolt, and the side plate is fixed on a reduction gearbox shell of the beam pumping unit through a welding mode or a bolt fixing mode.
6. The safe and quick unlocking device for the dead brake of the beam-pumping unit according to claim 5, wherein a reinforcing rib is further arranged between the lower surface of the support plate and the side surface of the side plate.
7. The quick and safe unlocking device for the dead brake of the beam-pumping unit as claimed in claim 5, wherein the adjusting and controlling mechanism further comprises a front support and a rear support, the front support and the rear support are respectively fixed on the support plate through bolts, the front end of the moving shaft slidably extends into a sliding hole formed in the front support, and the rear end of the moving shaft slidably extends into a sliding hole formed in the rear support.
8. The beam-pumping unit dead brake safety quick unlocking device according to claim 2, 3, 4, 6 or 7, characterized in that the rear end of the screw is provided with a wrench joint connected with a wrench or a jack connected with a rocking handle or a transmission joint connected with a motor output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083220.8A CN111485855A (en) | 2019-01-28 | 2019-01-28 | Safe and quick unlocking device for dead brake of beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083220.8A CN111485855A (en) | 2019-01-28 | 2019-01-28 | Safe and quick unlocking device for dead brake of beam-pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN111485855A true CN111485855A (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910083220.8A Pending CN111485855A (en) | 2019-01-28 | 2019-01-28 | Safe and quick unlocking device for dead brake of beam-pumping unit |
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| CN (1) | CN111485855A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217570A (en) * | 2021-06-21 | 2021-08-06 | 中国石油化工股份有限公司 | Automatic safety device for pumping unit |
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| CN113217570A (en) * | 2021-06-21 | 2021-08-06 | 中国石油化工股份有限公司 | Automatic safety device for pumping unit |
| CN113217570B (en) * | 2021-06-21 | 2022-10-11 | 中国石油化工股份有限公司 | Automatic safety device for pumping unit |
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Application publication date: 20200804 |