CN113107994A - Method and device for improving braking safety of beam-pumping unit - Google Patents
Method and device for improving braking safety of beam-pumping unit Download PDFInfo
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- CN113107994A CN113107994A CN202110505752.3A CN202110505752A CN113107994A CN 113107994 A CN113107994 A CN 113107994A CN 202110505752 A CN202110505752 A CN 202110505752A CN 113107994 A CN113107994 A CN 113107994A
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- 238000005086 pumping Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 230000032683 aging Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 241001023788 Cyttus traversi Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/006—Positive locking brakes
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a method and a device for improving the braking safety of a beam pumping unit. One end of the locking gear shaft is connected with the locking teeth through threads, the other end of the locking gear shaft is sleeved with a reset spring, and the locking gear shaft is connected with the shifting fork through a locking pin shaft; one end of the handle seat is connected with the conversion head through threads, the other end of the handle seat is a U-shaped open slot, a pressing sleeve is connected in the slot through a pin shaft, and the handle seat is hinged on the shifting fork through the pin shaft. When the conversion head is shifted from top to bottom, the shifting fork drives the locking pin shaft to push the locking gear shaft to transversely move, the locking teeth are meshed with the brake disc to enter a braking state, and a braking system is locked; otherwise, the braking state is cancelled. The device has simple structure and convenient operation, effectively prevents the phenomenon of sliding after the pumping unit stops pumping and braking, and greatly improves the braking safety performance of the pumping unit.
Description
Technical Field
The invention relates to the field of oil field exploitation petroleum machinery braking, in particular to a method and a device for improving the braking safety of a beam pumping unit.
Background
The beam-pumping unit is a common oil extraction mechanical device when oil is extracted, and the brake mechanism is a very important control device for the beam-pumping unit, and the main function of the beam-pumping unit is to lock the horse head at a target position where the horse head needs to be parked according to working requirements so as to carry out operation or maintenance, and the braking performance of the beam-pumping unit directly plays a decisive role in various working of the beam-pumping unit.
At present, a walking beam type pumping unit is generally stopped by adopting a manual drum brake, when the pumping unit needs to be detected and maintained, the manual drum brake is pulled close, and the braking is realized by the static friction force generated by a brake pad and a brake wheel. Because the pumping unit operates in the field all the year round and is exposed to the sun, the problem of aging of the brake pad of the existing pumping unit is very easy to occur, and after the pumping unit is used for a period of time, the brake pad is seriously abraded, and the brake braking effect is seriously influenced. In the actual production process, the brake of the oil pumping unit is often failed or the phenomenon of sliding occurs due to the aging or the serious abrasion of the brake pad. When workers maintain the oil pumping unit, if the braking effect is poor, the personal safety of the maintenance workers can be greatly threatened, and serious equipment accidents and personal casualties are easily caused. The second type of brake device is a ratchet pawl type brake device, the device realizes braking by means of unidirectional movement of a ratchet pawl, the structure is simple, the operation is convenient, and the device is very easy to scrap due to the fact that the pawl is easily damaged by strong impact force generated by sudden speed change during braking.
The braking performance, the operability and the reliability of the brake mechanism are related to the normal and safe operation of the beam pumping unit equipment and the personal safety of construction operators. Therefore, it is an urgent need to solve the problems of the art to provide a method and a device for improving the braking safety of a beam pumping unit, and particularly to a safe and reliable braking and locking device for a beam pumping unit.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a device for improving the braking safety of a beam pumping unit, which can provide better braking performance and anti-sliding effect, and have simple structure and easy installation and operation.
The technical scheme for solving the problems is as follows:
the utility model provides a beam-pumping unit brake locking means which constitutes and includes: the locking device comprises a brake disc, a bearing end cover connecting seat, a locking gear shaft front seat, a locking gear shaft rear seat, locking teeth, a locking gear shaft, a locking pin shaft, a reset spring, a shifting fork fixing seat, a locking position adjusting block, a conversion head, a handle seat, a locking head, a pressing sleeve, a spring pin, a locking fixing spring and the like.
Preferably, the front locking toothed shaft seat and the rear locking toothed shaft seat are fixed on one side below the bearing end cover connecting seat in parallel at a certain distance through bolts and nuts, the shifting fork fixing seat is fixed on the other side below the bearing end cover connecting seat in parallel through bolts and nuts, and holes are formed in the two sides of the front locking toothed shaft seat and the middle part of the rear locking toothed shaft seat;
preferably, the locking position adjusting block is mounted on one side, close to the brake disc, of the shifting fork fixing seat through bolts and nuts, and is provided with a reset hole, a brake hole and a transition groove besides three bolt holes for mounting and fixing;
preferably, the shifting fork is hinged to one side of the shifting fork fixing seat away from the brake disc through a pin shaft, two parallel limiting plates which are arranged at intervals are vertically fixed on the shifting fork, limiting grooves are formed on the surfaces of the two limiting plates on the shifting fork, a through hole is formed in the inner side of the shifting fork, the spring pin is arranged in the through hole, the locking fixing spring is sleeved on the spring pin, one end of the locking fixing spring is abutted with a gasket sleeved on the spring pin for limiting, and the other end of the locking fixing spring is abutted with the inner side wall surface of the shifting fork for limiting;
preferably, the locking toothed shaft is coaxially arranged in holes at the two sides of the front seat of the locking toothed shaft and the middle position of the rear seat of the locking toothed shaft, both ends of the locking toothed shaft are provided with threads, one end of the locking toothed shaft, which is close to the brake disc, is in threaded connection with the locking toothed shaft, one end of the locking toothed shaft, which is far away from the brake disc, is in threaded connection with a nut, the other end of the locking toothed shaft is sleeved with the reset spring, one end of the reset spring is in abutting limit with one side of the rear seat of the locking toothed shaft, and the other end of the reset spring is in abutting limit with the nut at one side of the; the locking gear shaft is hinged with the shifting fork through a pin shaft; the locking teeth are detachable, and when the locking teeth are worn for a long time or corroded and aged and cannot meet the requirements of locking and braking performance, the locking teeth can be detached and replaced by new locking teeth;
preferably, the handle seat is hinged between the limiting grooves of the shifting fork through a pin shaft, one end of the handle seat close to the brake disc is provided with threads and is in threaded connection with the switching head, the other end of the handle seat is provided with a U-shaped groove, the pressing sleeve is hinged in the U-shaped groove through the pin shaft, and the pressing sleeve is in contact with the spring pin; the locking head is connected to the handle seat through threads;
preferably, the brake disc is of a web plate type gear structure, the locking teeth are of a partial gear structure, and the modules of the brake disc and the locking teeth are the same.
A beam-pumping unit brake locking device, its method for improving the beam-pumping unit and braking the security is: firstly, fixedly installing a bearing end cover connecting seat on the outer side of a bearing end cover of a middle shaft of a reduction gearbox of the pumping unit, and fixedly installing a brake disc on an input shaft of the reduction gearbox of the pumping unit; secondly, the switching head is shifted to insert the locking head into the reset hole to enter an initial reset state, and the switching head is shifted to realize braking when needed; thirdly, when braking is needed, the conversion head is pulled outwards along the outer side of the adjusting block perpendicular to the locking position, when the locking head is released and separated from the reset hole, the conversion head is pulled downwards from top to bottom to enable the locking head to move along the transition groove and be inserted into the braking hole, the shifting fork drives the locking pin shaft to push the locking tooth shaft to move transversely, the locking tooth is meshed with the brake disc, and the brake disc is locked; and fourthly, when the brake is released, the conversion head is pulled outwards along the outer side of the locking position adjusting block in a direction perpendicular to the outer side of the locking position adjusting block, the conversion head is pulled from bottom to top to be separated from the brake hole, the conversion head is pulled from bottom to top to enable the locking head to move along the transition groove and be inserted into the reset hole, the locking tooth shaft is driven to reset under the action of the reset spring, the locking tooth is released from being meshed with the brake disc, and the brake state is released.
The invention has the beneficial effects that:
the device realizes braking by the gear type brake disc and the locking teeth in a gear meshing mode, and the locking teeth are fixed and immovable after braking to lock the brake disc. Compared with a drum brake, the device has the advantages that the phenomena of brake failure, vehicle sliding and the like caused by abrasion or aging of parts are avoided, and the brake effect is ensured without frequently replacing brake parts; compared with a ratchet wheel pawl type brake device which is easy to damage, when the locking teeth and the brake disc are braked, the locking teeth and the brake disc are in a state that a plurality of teeth are meshed, a plurality of teeth bear impact force together, the impact force borne by each tooth can be greatly reduced, and the locking teeth cannot be broken due to overhigh impact force.
Drawings
FIG. 1 is a schematic structural diagram of a brake locking device of a beam-pumping unit according to the present invention;
FIG. 2 is a right side view of the brake locking device structure of the beam pumping unit of the present invention;
FIG. 3 is a schematic structural diagram of a locking position adjusting block component of the beam-pumping unit brake locking device of the present invention;
FIG. 4 is a schematic view of the installation of the brake locking device of the beam-pumping unit according to the present invention;
FIG. 5 is a schematic diagram of the resetting state of the brake locking device of the beam-pumping unit according to the present invention;
FIG. 6 is a schematic diagram of the brake locking device of the beam-pumping unit in a braking state;
the reference numbers are as follows: 1-brake disc, 2-bearing end cover connecting seat, 3-locking gear shaft front seat, 4-locking gear shaft rear seat, 5-gasket, 6-reset spring, 7-shifting fork, 8-pressing sleeve, 9-locking pin shaft, 10-handle seat, 11-locking head, 12-locking position adjusting block, 121-bolt hole, 122-reset hole, 123-transition groove, 124-braking hole, 13-conversion head, 14-locking gear shaft, 15-locking tooth, 16-shifting fork fixing seat, 17-locking fixing spring and 18-spring pin.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
In the description of the present specification, it should be noted that the terms "abut", "connect", "hinge" and the like are to be interpreted broadly, and may be, for example, a fixed connection or a detachable connection; either directly, indirectly through intervening media, or through the communication between two elements. The terms "below," "one side," "the other side," "both sides," "one end," "the other end," "outside," and the like are used in the indicative orientation based on the orientation or positional relationship shown in the drawings for the convenience of describing the present specification and for the simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present specification.
As shown in fig. 1 and 2, the invention discloses a method and a device for improving the braking safety of a beam-pumping unit, in particular to a brake locking device of the beam-pumping unit, which comprises the following components: the locking device comprises a brake disc, a bearing end cover connecting seat, a locking gear shaft front seat, a locking gear shaft rear seat, locking teeth, a locking gear shaft, a locking pin shaft, a reset spring, a shifting fork fixing seat, a locking position adjusting block, a conversion head, a handle seat, a locking head, a pressing sleeve, a spring pin, a locking fixing spring and the like.
Specifically, the locking tooth shaft front seat 3 and the locking tooth shaft rear seat 4 are fixed on one side below the bearing end cover connecting seat 2 in parallel at a certain distance by bolts and nuts, the shifting fork fixing seat 16 is fixed on the other side below the bearing end cover connecting seat 2 in parallel by bolts and nuts, and holes are formed in two sides of the locking tooth shaft front seat 3 and the middle part of the locking tooth shaft rear seat 4;
the locking position adjusting block 12 is mounted on one side, close to the brake disc 1, of the shifting fork fixing seat 16 through bolts and nuts;
as shown in fig. 3, the locking position adjustment block 12 is provided with the reset hole 122, the stopper hole 124, and the transition groove 123, in addition to the three bolt holes 121 for mounting and fixing;
the shifting fork 7 is hinged to one side, away from the brake disc 1, of the shifting fork fixing seat 16 through a pin shaft, two limiting plates which are parallel and arranged at intervals are vertically fixed on the shifting fork 7, limiting grooves are formed in the surfaces of the two limiting plates on the shifting fork 7, a through hole is formed in the inner side of the shifting fork 7, the spring pin 18 is arranged in the through hole, the locking fixing spring 17 is sleeved on the spring pin 18, one end of the locking fixing spring is abutted and limited to a gasket sleeved on the spring pin 18, and the other end of the locking fixing spring is abutted and limited to the inner side wall surface of the shifting fork 7;
the locking tooth shaft 14 is coaxially arranged in holes at the two sides of the locking tooth shaft front seat 3 and the middle position of the locking tooth shaft rear seat 4, threads are arranged at the two ends of the locking tooth shaft 14, one end, close to the brake disc 1, of the locking tooth shaft 14 is in threaded connection with the locking teeth 15, one end, far away from the brake disc 1, of the locking tooth shaft is connected with a nut through threads, the other end, close to the brake disc 1, of the locking tooth shaft 14 is sleeved with the reset spring 6, one end of the reset spring 6 is abutted and limited with one side of the locking tooth shaft rear seat 4, and the other end of the reset spring is abutted and limited through the nut at one side, far away from the brake disc; the locking gear shaft 14 is hinged with the shifting fork 7 through a pin shaft; the locking teeth 15 are detachable, and when the locking teeth are worn for a long time or corroded and aged and cannot meet the requirements of the locking braking performance, the locking teeth can be detached and replaced by new locking teeth;
the handle seat 10 is hinged between the limiting grooves of the shifting fork 7 through a pin shaft, one end, close to the brake disc 1, of the handle seat 10 is provided with threads and is in threaded connection with the switching head 13, the other end of the handle seat 10 is provided with a U-shaped groove, the pressing sleeve 8 is hinged in the U-shaped groove through the pin shaft, and the pressing sleeve 8 is in contact with the spring pin 18; the locking head 11 is connected to the handle base 10 through threads;
the brake disc 1 is of a web plate type gear structure, the locking teeth 15 are of a partial gear structure, and the modules of the brake disc 1 and the locking teeth 15 are the same.
The method for improving the braking safety of the beam-pumping unit by the device comprises the following steps: firstly, fixedly installing the bearing end cover connecting seat 2 on the outer side of a bearing end cover of a middle shaft of a reduction gearbox of the pumping unit, and fixedly installing the brake disc 1 on an input shaft of the reduction gearbox of the pumping unit; secondly, the conversion head 13 is shifted to insert the locking head 11 into the reset hole 122 to enter an initial reset state, and the conversion head 13 is shifted to realize braking when needed; thirdly, when braking is needed, the conversion head 13 is pulled outwards along the outer side perpendicular to the locking position adjusting block 12, when the locking head 11 is released and separated from the reset hole 122, the conversion head 13 is shifted downwards from top to bottom to enable the locking head 11 to move along the transition groove 123 and be inserted into the braking hole 124, the shifting fork 7 drives the locking pin shaft 9 to push the locking tooth shaft 14 to move transversely, the locking tooth 15 is meshed with the brake disc 1, and the brake disc 1 is locked; fourthly, when the brake is released, the conversion head 13 is pulled outwards along the outer side perpendicular to the locking position adjusting block 12, when the locking head 11 is released and separated from the brake hole 124, the conversion head 13 is pulled from bottom to top to enable the locking head 11 to move along the transition groove 123 and be inserted into the reset hole 122, the locking tooth shaft 14 is driven to reset under the action of the reset spring 6, the locking tooth 15 is released from being engaged with the brake disc 1, and the brake state is released.
The installation mode of the device is shown in figure 4, the bearing end cover connecting seat 2 is fixedly installed on the outer side of a bearing end cover of a middle shaft of a reduction gearbox of the pumping unit, and the brake disc 1 is fixedly installed on an input shaft of the reduction gearbox of the pumping unit.
As shown in fig. 5 and 6, when the device of the present invention works, the switching of the braking state of the braking system is realized by toggling the switching head 13: the locking position adjusting block 12 is fixed on the shifting fork fixing seat 16 through bolts and nuts, the locking position adjusting block 12 is provided with three bolt holes 121 for mounting and fixing, a reset hole 122 and a brake hole 124, and the transition groove 123 is used for transition between the two holes, so that the locking head 11 can be conveniently switched up and down. As shown in fig. 6, when the converter head 13 is shifted from top to bottom, the locking head 11 is inserted into the braking hole 124, the shift fork 7 drives the locking pin shaft 9 to push the locking gear shaft 14 to move transversely, the locking gear 15 is engaged with the brake disc 1 to enter a braking state, the brake disc 1 is locked, the input shaft of the reduction gearbox is braked, and the pumping unit stops working; on the contrary, as shown in fig. 5, when the locking head 11 is released and the switching head 13 is shifted from bottom to top, the locking head 11 is inserted into the reset hole 122, the reset spring 6 drives the locking gear shaft 14 to reset, the locking gear 15 is released from being engaged with the brake disc 1, the braking state is cancelled, and the pumping unit operates again.
The device realizes braking by the gear type brake disc and the locking teeth in a gear meshing mode, and after braking, the locking teeth are fixed and immovable in position, so that the brake is locked. Compared with a drum brake, the device has the advantages that the phenomena of brake failure, vehicle sliding and the like caused by abrasion or aging of parts are avoided, and the brake effect is ensured without frequently replacing brake parts; compared with a ratchet wheel pawl type brake device which is easy to damage, when the locking teeth and the brake disc are braked, the locking teeth and the brake disc are in a state that a plurality of teeth are meshed, a plurality of teeth bear impact force together, the impact force borne by each tooth can be greatly reduced, and the locking teeth cannot be broken due to overhigh impact force.
The device can effectively lock the brake system in the using process, has better anti-sliding effect and improves the safety of the brake system. And the device is easy to disassemble, and parts which are seriously abraded or aged can be conveniently and timely replaced when needed. Meanwhile, the device has the advantages of simple structure, convenient operation, low processing difficulty and low requirement on the precision of manufacturing and installation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a method and device for improving beam-pumping unit braking security, concretely relates to beam-pumping unit brake locking means, which is characterized in that, includes: the device comprises a brake disc, a bearing end cover connecting seat, a locking gear shaft front seat, a locking gear shaft rear seat, locking teeth, a locking gear shaft, a locking pin shaft, a reset spring, a shifting fork fixing seat, a locking position adjusting block, a conversion head, a handle seat, a locking head, a pressing sleeve, a spring pin, a locking fixing spring and the like;
the front locking tooth shaft seat and the rear locking tooth shaft seat are parallelly fixed on one side below the bearing end cover connecting seat at a certain distance through bolts and nuts, the shifting fork fixing seat is parallelly fixed on the other side below the bearing end cover connecting seat through bolts and nuts, and holes are formed in the two sides of the front locking tooth shaft seat and the middle part of the rear locking tooth shaft seat;
the locking position adjusting block is arranged on one side, close to the brake disc, of the shifting fork fixing seat through bolts and nuts;
the shifting fork is hinged to one side, away from the brake disc, of the shifting fork fixing seat through a pin shaft, two limiting plates which are parallel and arranged at intervals are vertically fixed on the shifting fork, limiting grooves are formed in the surfaces of the two limiting plates on the shifting fork, a through hole is formed in the inner side of the shifting fork, the spring pin is arranged in the through hole, the locking fixing spring is sleeved on the spring pin, one end of the locking fixing spring is abutted with a gasket sleeved on the spring pin for limiting, and the other end of the locking fixing spring is abutted with the inner side wall surface of the shifting fork for limiting;
the locking tooth shaft is coaxially arranged in holes in the middle positions of two sides of a front seat and a rear seat of the locking tooth shaft, threads are arranged at two ends of the locking tooth shaft, the locking tooth shaft is close to one end of the brake disc and connected with the locking tooth threads, one end of the brake disc is far away from the locking tooth threads, and the reset spring is connected with one end of the brake disc through threads and sleeved on the one end of the brake disc. One end of the reset spring is abutted and limited with one side of the locking tooth shaft rear seat, the other end of the reset spring is abutted and limited through a gasket far away from one side of the brake disc, and the gasket is limited and fixed through a nut; the locking gear shaft is hinged with the shifting fork through a pin shaft;
the handle seat is hinged between the limiting grooves of the shifting fork through a pin shaft, one end of the handle seat close to the brake disc is provided with threads and is in threaded connection with the switching head, the other end of the handle seat is provided with a U-shaped groove, the pressing sleeve is hinged in the U-shaped groove through the pin shaft, and the pressing sleeve is in contact with the spring pin; the locking head is connected to the handle seat through threads.
2. The brake locking device of the beam-pumping unit according to claim 1, characterized in that: the brake disc is of a web plate type gear structure, the locking teeth are of a partial gear structure, and the modules of the brake disc and the locking teeth are the same.
3. The brake locking device of the beam-pumping unit according to claim 1, characterized in that: the locking position adjusting block is provided with three bolt holes for mounting and fixing, and is also provided with a reset hole, a brake hole and a transition groove.
4. The brake locking device of the beam-pumping unit according to claim 1, wherein the method for improving the brake safety of the beam-pumping unit comprises the following steps: firstly, fixedly installing a bearing end cover connecting seat on the outer side of a bearing end cover of a middle shaft of a reduction gearbox of the pumping unit, and fixedly installing a brake disc on an input shaft of the reduction gearbox of the pumping unit; secondly, the switching head is shifted to insert the locking head into the reset hole to enter an initial reset state, and the switching head is shifted to realize braking when needed; thirdly, when braking is needed, the conversion head is pulled outwards along the outer side of the adjusting block perpendicular to the locking position, when the locking head is released and separated from the reset hole, the conversion head is pulled downwards from top to bottom to enable the locking head to move along the transition groove and be inserted into the braking hole, the shifting fork drives the locking pin shaft to push the locking tooth shaft to move transversely, the locking tooth is meshed with the brake disc, and the brake disc is locked; and fourthly, when the brake is released, the conversion head is pulled outwards along the outer side of the locking position adjusting block in a direction perpendicular to the outer side of the locking position adjusting block, the conversion head is pulled from bottom to top to be separated from the brake hole, the conversion head is pulled from bottom to top to enable the locking head to move along the transition groove and be inserted into the reset hole, the locking tooth shaft is driven to reset under the action of the reset spring, the locking tooth is released from being meshed with the brake disc, and the brake state is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505752.3A CN113107994A (en) | 2021-05-10 | 2021-05-10 | Method and device for improving braking safety of beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110505752.3A CN113107994A (en) | 2021-05-10 | 2021-05-10 | Method and device for improving braking safety of beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113107994A true CN113107994A (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110505752.3A Pending CN113107994A (en) | 2021-05-10 | 2021-05-10 | Method and device for improving braking safety of beam-pumping unit |
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| CN (1) | CN113107994A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017451A (en) * | 2021-09-29 | 2022-02-08 | 大庆师范学院 | Beam-pumping unit braking system based on computer control |
-
2021
- 2021-05-10 CN CN202110505752.3A patent/CN113107994A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017451A (en) * | 2021-09-29 | 2022-02-08 | 大庆师范学院 | Beam-pumping unit braking system based on computer control |
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