CN115263251B - Remote automatic brake device of oil pumping unit - Google Patents
Remote automatic brake device of oil pumping unit Download PDFInfo
- Publication number
- CN115263251B CN115263251B CN202210896180.0A CN202210896180A CN115263251B CN 115263251 B CN115263251 B CN 115263251B CN 202210896180 A CN202210896180 A CN 202210896180A CN 115263251 B CN115263251 B CN 115263251B
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- brake
- base
- rod
- connecting rod
- electric push
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- 238000005086 pumping Methods 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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 remote automatic braking device of an oil pumping unit, which comprises a base, wherein a speed reducing box base is arranged on the base, a speed reducing box is arranged on the speed reducing box base, a brake hoop is arranged on the speed reducing box, a travel switch base and an electric push rod base are arranged on the side wall of the speed reducing box base, a detachable electric push rod is arranged on the electric push rod base, a detachable electric brake longitudinal connecting rod is arranged on the upper part of the electric push rod, and a detachable double-groove pull rod cam is arranged on the top of the electric brake longitudinal connecting rod. The base is also provided with a hand brake base, a hand brake transmission seat and a hand brake longitudinal connecting rod. The remote automatic brake device of the pumping unit effectively solves the problem of remote automatic brake of the pumping unit under the condition of not changing the structure, principle, performance and safety coefficient of the remote automatic brake device, further improves the intrinsic safety of the pumping unit and ensures the safe production and operation on site.
Description
Technical Field
The invention relates to oil extraction equipment, in particular to a remote automatic brake device of an oil pumping unit.
Background
At present, the pumping unit used in domestic oil fields is generally a beam pumping unit, a brake system is one of the most critical parts of the pumping unit, and the brake system is a very important safe operation control device. When the pumping unit is used for normal pumping stopping, maintenance, measure construction and other operations, the stopping operation is needed, the brake is locked, the site safety operation is ensured, whether the braking performance of the brake system is flexible, safe and reliable or not is ensured, and the braking system plays a decisive role in the safety of various operations of the pumping unit.
The existing automatic braking technology of the pumping unit has the following problems: 1. the mechanical structure of the original factory brake is modified, and after the original factory brake is modified into an automatic brake, the manual brake cannot be locked; 2. when no power supply or device is in failure on site, the braking function is invalid, and potential safety hazards exist; 3. the structure and the performance of the original brake system are changed, particularly the structure and the performance of the original brake system are changed on a transverse pull rod or a longitudinal pull rod of the brake, the brake performance is influenced, and the reliability is required to be authenticated; 4. when the manual and automatic switching operation is performed, the connection part of the brake part must be changed on site, and the operation is very inconvenient.
Disclosure of Invention
The invention mainly solves the technical problems existing in the prior art, thereby providing a remote automatic braking device of an oil pumping unit.
The technical problems of the invention are mainly solved by the following technical proposal:
a remote automatic brake device of an oil pumping unit is characterized in that the remote automatic brake device of the oil pumping unit comprises a base, a reduction box base is arranged on the base, a reduction box is arranged on the reduction box base, a brake hoop is arranged on the reduction box,
a travel switch base and an electric push rod base are arranged on the side wall of the speed reduction box base,
the electric push rod base is provided with a detachable electric push rod, the upper part of the electric push rod is provided with a detachable electric brake longitudinal connecting rod, the electric push rod is connected with the electric push rod base through a fifth bolt, the electric brake longitudinal connecting rod is connected with the electric push rod through a fourth bolt,
the top of the electric brake longitudinal connecting rod is provided with a detachable double-groove pull rod cam which is matched with the brake hoop,
the hand brake is characterized in that a hand brake base and a hand brake transmission seat are further arranged on the base, a first linkage fork and a second linkage fork are arranged on the hand brake transmission seat, the second linkage fork is in linkage with the first linkage fork, an arc-shaped locking tooth and a rotatable brake handle are arranged on the hand brake base, the brake handle is matched with the locking tooth, a rod-shaped brake transverse connecting rod is arranged on the brake handle, the far end of the brake transverse connecting rod is rotatably connected with the first linkage fork, and a longitudinal manual brake connecting rod is arranged between the second linkage fork and the double-groove pull rod cam.
As a preferred embodiment of the invention, the travel switch base is provided with an upper travel switch and a lower travel switch, the electric brake longitudinal connecting rod is provided with an upper fixed deflector rod and a lower fixed deflector rod, the upper fixed deflector rod is matched with the upper travel switch, and the lower fixed deflector rod is matched with the lower travel switch.
As a preferred embodiment of the invention, the middle part of the brake transverse connecting rod is provided with a transverse adjusting screw rod, and the manual brake longitudinal connecting rod is provided with a longitudinal adjusting screw rod.
As a preferred embodiment of the invention, the double-groove pull rod cam comprises a pull rod, the head part of the pull rod is provided with a cam and a cam pin hole, the cam is matched with the brake hoop, a first bolt is arranged in the cam pin hole, the tail part of the pull rod is provided with a manual guide groove and an automatic guide groove, the manual guide groove is connected with the manual brake longitudinal connecting rod through a third bolt, and the automatic guide groove is connected with the electric brake longitudinal connecting rod through a second bolt.
The remote automatic brake device of the oil pumping unit has the following advantages: the remote automatic braking device for the pumping unit automatically brakes after the pumping unit is remotely stopped, the braking is automatically released before the pumping unit is remotely started, when the manual braking is performed in a local mode in field use, the electric braking is in a released state, the manual braking performance is not affected under the double groove effect of the pull rod cam, the device keeps the pumping unit braking system in the original factory state, the problem of remote automatic braking of the pumping unit is effectively solved under the condition that the structure, principle, performance and safety coefficient of the pumping unit are not changed, the intrinsic safety of the pumping unit is further improved, and the field safety production operation is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a remote automatic brake device for an oil pumping unit;
FIG. 2 is a schematic diagram of a dual groove drawbar cam of the remote automatic brake apparatus of the pumping unit of FIG. 1;
fig. 3 is a schematic diagram of the operation logic of the remote automatic brake device of the pumping unit.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
As shown in fig. 1, the remote automatic brake device of the pumping unit comprises a base B, a reduction gearbox base 25 is arranged on the base B, a reduction gearbox 26 is arranged on the reduction gearbox base 25, and a brake hoop 3 is arranged on the reduction gearbox 26.
A travel switch base 27 and an electric push rod base 21 are arranged on the side wall of the reduction gearbox base 25.
The travel switch base 27 is provided with an upper travel switch 16 and a lower travel switch 17.
The electric push rod base 21 is provided with a detachable electric push rod 19, the upper part of the electric push rod 19 is provided with a detachable electric brake longitudinal connecting rod 9, the electric push rod 19 is connected with the electric push rod base 21 through a fifth bolt 20, and the electric brake longitudinal connecting rod 9 is connected with the electric push rod 19 through a fourth bolt 18.
The electric brake longitudinal connecting rod 9 is provided with an upper fixed deflector rod 11 and a lower fixed deflector rod 12, the upper fixed deflector rod 11 is matched with the upper travel switch 16, and the lower fixed deflector rod 12 is matched with the lower travel switch 17.
The top of the electric brake longitudinal connecting rod 9 is provided with a detachable double-groove pull rod cam 5, and the double-groove pull rod cam 5 is matched with the brake hoop 3.
The base B is also provided with a hand brake base 24 and a hand brake transmission seat B1, the hand brake transmission seat B1 is provided with a first linkage fork B11 and a second linkage fork B12, the second linkage fork B12 is linked with the first linkage fork B11, the hand brake base 24 is provided with an arc-shaped lock tooth 23 and a rotatable brake handle 22, the brake handle 22 is matched with the lock tooth 23, the brake handle 22 is provided with a rod-shaped brake transverse connecting rod 14, the far end of the brake transverse connecting rod 14 is rotatably connected with the first linkage fork B11, and a manual brake longitudinal connecting rod 10 which is longitudinally arranged is arranged between the second linkage fork B12 and the double-groove pull rod cam 5.
The middle part of the brake transverse connecting rod 14 is provided with a transverse adjusting screw rod 15, and the manual brake longitudinal connecting rod 10 is provided with a longitudinal adjusting screw rod 13.
As shown in fig. 2, the dual slot tie rod cam 5 comprises a tie rod 4, wherein the head of the tie rod 4 is provided with a cam 1 and a cam pin hole 51, the cam 1 is matched with the brake hoop 3, and a first bolt 2 is arranged in the cam pin hole 51.
The tail of the pull rod 4 is provided with a manual guide groove 7 and an automatic guide groove 29, the manual guide groove 7 is connected with the manual brake longitudinal connecting rod 10 through a third bolt 8, and the automatic guide groove 29 is connected with the electric brake longitudinal connecting rod 9 through a second bolt 6.
The electric push rod 19, the electric brake longitudinal connecting rod 9 and the double-slot pull rod cam 5 are basically vertical. The fifth pin 20 allows the electric putter 19 to be adjusted to a small extent in the left-right direction. The fourth bolt 18 can offset the electric brake longitudinal connecting rod 9 by a small extent left and right, so that the second bolt 6 can keep a motion track in the automatic guide groove 29 without blocking.
The working process of the remote automatic brake device of the oil pumping unit is described below.
As shown in fig. 3, three modes are available for remotely controlling the automatic brake of the pumping unit through the PC terminal: 1. the remote mode is normally started and stopped, 2. The remote mode is switched to the local mode, 3. The local mode is specifically as follows:
1. remote mode normal start-up and shut-down mode: (1) after the PC terminal presses a starting instruction, the production site loudspeaker sends out warning and alarming sounds 30s, the electric push rod 19 moves upwards after 30s, the brake hoop 3 is loosened, the electric brake longitudinal connecting rod 9 moves upwards, and meanwhile, the upper fixed deflector rod 11 touches the upper travel switch 16, and the electric push rod 19 stops acting; (2) after the PC terminal presses a stop instruction, the electric push rod 19 moves downwards after the delay time is triggered for 20s and 20s by a falling edge signal of a normally open contact of a contactor or a falling edge signal of a passive normally open contact in a variable frequency state in a power frequency state, the brake hoop 3 reaches a locking position, the electric brake longitudinal connecting rod 9 moves downwards, and meanwhile, the lower fixed deflector rod 12 touches the lower travel switch 17, and the electric push rod 19 stops acting;
2. the remote mode switches to the local mode: when the production site switching button is switched from a remote mode to a local mode, the electric push rod 19 is remotely and automatically controlled to move upwards, the brake hoop 3 is opened, and when the upper fixed deflector rod 11 touches the travel switch 16 to reach a release position, the electric push rod 19 stops acting;
3. local mode: the brake handle 22 is pulled tightly, the manual brake longitudinal connecting rod 10 moves downwards, the third bolt 8 slides downwards in the manual guide groove 7 to drive the double-groove pull rod cam 5 to move downwards, and the brake hoop 3 is locked; at this time, the remote automatic brake does not perform any action.
When the manual brake is performed, the manual brake longitudinal connecting rod 10 drives the double-groove pull rod cam 5 to integrally move downwards through the third bolt 8, the brake hoop 3 is locked, and the second bolt 6 above the electric brake longitudinal connecting rod 9 slides along the automatic guide groove 29. When the electric push rod 19 is started, the electric brake longitudinal connecting rod 9 drives the double-groove pull rod cam 5 to integrally move downwards through the second bolt 6 to lock the brake hoop 4, and the third bolt 8 above the manual brake longitudinal connecting rod 10 slides along the manual guide groove 7, so that the characteristics of mutual independence and mutual noninterference of manual and electric brakes are realized.
The remote automatic braking device for the pumping unit automatically brakes after the pumping unit is remotely stopped, the braking is automatically released before the pumping unit is remotely started, when the manual braking is performed in a local mode in field use, the electric braking is in a released state, the manual braking performance is not affected under the double groove effect of the pull rod cam, the device keeps the pumping unit braking system in the original factory state, the problem of remote automatic braking of the pumping unit is effectively solved under the condition that the structure, principle, performance and safety coefficient of the pumping unit are not changed, the intrinsic safety of the pumping unit is further improved, and the field safety production operation is guaranteed.
Without being limited thereto, any changes or substitutions that are not contemplated by the inventors are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The remote automatic brake device of the oil pumping machine is characterized by comprising a base (B), wherein the base (B) is provided with a reduction box base (25), the reduction box base (25) is provided with a reduction box (26), the reduction box (26) is provided with a brake hoop (3),
a travel switch base (27) and an electric push rod base (21) are arranged on the side wall of the reduction gearbox base (25),
the electric push rod base (21) is provided with a detachable electric push rod (19), the upper part of the electric push rod (19) is provided with a detachable electric brake longitudinal connecting rod (9), the electric push rod (19) is connected with the electric push rod base (21) through a fifth bolt (20), the electric brake longitudinal connecting rod (9) is connected with the electric push rod (19) through a fourth bolt (18),
the top of the electric brake longitudinal connecting rod (9) is provided with a detachable double-groove pull rod cam (5), the double-groove pull rod cam (5) is matched with the brake hoop (3),
the hand brake is characterized in that a hand brake base (24) and a hand brake transmission seat (B1) are further arranged on the base (B), a first linkage fork (B11) and a second linkage fork (B12) are arranged on the hand brake transmission seat (B1), the second linkage fork (B12) is linked with the first linkage fork (B11), an arc-shaped locking tooth (23) and a rotatable brake handle (22) are arranged on the hand brake base (24), the brake handle (22) is matched with the locking tooth (23), a rod-shaped brake transverse connecting rod (14) is arranged on the brake handle (22), the far end of the brake transverse connecting rod (14) is rotatably connected with the first linkage fork (B11), and a longitudinal manual brake connecting rod (10) which is longitudinally arranged is arranged between the second linkage fork (B12) and the double-groove pull rod cam (5).
2. The remote automatic brake device of the pumping unit according to claim 1, wherein an upper travel switch (16) and a lower travel switch (17) are arranged on the travel switch base (27), an upper fixed deflector rod (11) and a lower fixed deflector rod (12) are arranged on the electric brake longitudinal connecting rod (9), the upper fixed deflector rod (11) is matched with the upper travel switch (16), and the lower fixed deflector rod (12) is matched with the lower travel switch (17).
3. The remote automatic braking device of the pumping unit according to claim 1, wherein a transverse adjusting screw (15) is arranged in the middle of the braking transverse connecting rod (14), and a longitudinal adjusting screw (13) is arranged on the manual braking longitudinal connecting rod (10).
4. The remote automatic brake device of the pumping unit according to claim 1, wherein the double-groove pull rod cam (5) comprises a pull rod (4), a cam (1) and a cam pin hole (51) are arranged at the head part of the pull rod (4), the cam (1) is matched with the brake hoop (3), a first bolt (2) is arranged in the cam pin hole (51), a manual guide groove (7) and an automatic guide groove (29) are arranged at the tail part of the pull rod (4), the manual guide groove (7) is connected with the manual brake longitudinal connecting rod (10) through a third bolt (8), and the automatic guide groove (29) is connected with the electric brake longitudinal connecting rod (9) through a second bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210896180.0A CN115263251B (en) | 2022-07-28 | 2022-07-28 | Remote automatic brake device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210896180.0A CN115263251B (en) | 2022-07-28 | 2022-07-28 | Remote automatic brake device of oil pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115263251A CN115263251A (en) | 2022-11-01 |
| CN115263251B true CN115263251B (en) | 2023-10-13 |
Family
ID=83771045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210896180.0A Active CN115263251B (en) | 2022-07-28 | 2022-07-28 | Remote automatic brake device of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115263251B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015089880A1 (en) * | 2013-12-19 | 2015-06-25 | 鄂德刚 | Low profile, ultra-long stroke, intelligently controlled hoist-type lifting oil extraction system and operating method |
| CN206377184U (en) * | 2016-12-09 | 2017-08-04 | 中国石油天然气股份有限公司 | Remote control automatic brake device of oil pumping unit |
| CN212154733U (en) * | 2020-04-17 | 2020-12-15 | 新疆维吾尔自治区第三机床厂 | Electric control brake protector for oil pumping machine |
-
2022
- 2022-07-28 CN CN202210896180.0A patent/CN115263251B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015089880A1 (en) * | 2013-12-19 | 2015-06-25 | 鄂德刚 | Low profile, ultra-long stroke, intelligently controlled hoist-type lifting oil extraction system and operating method |
| CN206377184U (en) * | 2016-12-09 | 2017-08-04 | 中国石油天然气股份有限公司 | Remote control automatic brake device of oil pumping unit |
| CN212154733U (en) * | 2020-04-17 | 2020-12-15 | 新疆维吾尔自治区第三机床厂 | Electric control brake protector for oil pumping machine |
Non-Patent Citations (1)
| Title |
|---|
| 肉孜木沙 ; 王新华 ; 龚晓明 ; 陆琦 ; 董宏宇 ; .抽油机电控刹车装置的设计.石油机械.2006,(第04期),55-56. * |
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| Publication number | Publication date |
|---|---|
| CN115263251A (en) | 2022-11-01 |
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