CN211082627U - Electric brake device of oil pumping unit - Google Patents
Electric brake device of oil pumping unit Download PDFInfo
- Publication number
- CN211082627U CN211082627U CN201922134965.0U CN201922134965U CN211082627U CN 211082627 U CN211082627 U CN 211082627U CN 201922134965 U CN201922134965 U CN 201922134965U CN 211082627 U CN211082627 U CN 211082627U
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- brake
- brake shoe
- speed reducer
- pumping unit
- shaft
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Abstract
The utility model discloses a beam-pumping unit electric brake device, including the brake wheel, the outside cover of brake wheel is equipped with first brake shoe and second brake shoe, the top of first brake shoe and second brake shoe is articulated each other, the lower extreme of first brake shoe and second brake shoe runs through and is equipped with the sliding shaft, the outside cover of sliding shaft is equipped with the spring, the spring is located between first brake shoe and the second brake shoe, the both ends of sliding shaft all overlap and are equipped with the sliding sleeve, one side of brake wheel is equipped with the motor, the output shaft of motor has the speed reducer, the speed reducer is two-way biax output structure, the output shaft of shaft coupling and motor is passed through to the bottom of speed reducer, the output shaft of speed reducer has ball, ball's surface cover is equipped with the screw nut of looks adaptation, screw nut's top and sliding sleeve fixed connection. The utility model discloses easy and simple to handle, brake fast, strength is big, brake stop position is accurate controllable and steady.
Description
Technical Field
The utility model relates to an oil field oil production equipment technical field, in particular to beam-pumping unit electric brake device.
Background
A pumping unit is an oil extraction device that pumps oil from a well by means of pressure. The brake device on the existing oil pumping unit is generally a manual brake device, and the brake device needs to be operated by a worker beside the oil pumping unit, so that the time and labor are wasted, the brake speed is low, the brake force is small, the rapid brake of the oil pumping unit cannot be realized, and the oil pumping unit has certain danger; meanwhile, the braking time of the brake device needs to be judged by workers, and the parking position is difficult to control accurately.
The brake device of the pumping unit is a core component for realizing safe operation of the pumping unit by an operator, and has the main functions of fixing the horsehead, the balance block and the rope hanger at a certain position according to different working requirements, and then carrying out daily inspection, maintenance and other operations on the pumping unit by the operator. Safe and reliable's brake can not only ensure going on smoothly of oil well production, but also involve operating personnel's personal safety, if the brake is out of order suddenly, the beam-pumping unit balancing piece rotates suddenly, can cause serious injury for the personnel of operating near the beam-pumping unit.
The existing brake device has the disadvantages of complex structure, long brake torque, large used brake force, complex manual operation, unstable control force and potential safety hazard.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an electric brake apparatus for a pumping unit, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electric brake device of a pumping unit comprises a brake wheel, wherein a first brake shoe and a second brake shoe are sleeved on the outer side of the brake wheel, the tops of the first brake shoe and the second brake shoe are hinged with each other through a screw fixed on a reduction gearbox of the pumping unit, a sliding shaft penetrates through the lower ends of the first brake shoe and the second brake shoe, a spring is sleeved outside the sliding shaft and is positioned between the first brake shoe and the second brake shoe, sliding sleeves are sleeved at two ends of the sliding shaft, a motor is arranged on one side of the brake wheel, an output shaft of the motor is connected with a speed reducer which is of a bidirectional double-shaft output structure, the bottom of the speed reducer is connected with an output shaft of the motor through a coupler, the output shaft of the speed reducer is connected with a ball screw, and the ball screw is of a short joint structure with two sections of threads rotating in opposite directions, the surface of the ball screw is sleeved with a screw nut matched with the ball screw, the top of the screw nut is fixedly connected with the sliding sleeve, one end of the ball screw is connected with an output shaft of the speed reducer through a coupler, and the other end of the ball screw is rotatably connected to the support.
Preferably, the two ends of the sliding shaft are respectively fixed with a positioning block, and one side surface of each positioning block is provided with a limit travel switch.
Preferably, the inner surfaces of the first brake shoe and the second brake shoe are provided with brake pads, and the gap between each brake pad and the surface of the brake wheel is 2-3 mm.
Preferably, the motor is fixed on the brake base through a bolt.
Preferably, the speed reducer is far away from one end of the motor and is provided with an emergency hand-operated wheel.
Compared with the prior art, the utility model discloses following beneficial effect has: the electric brake device of the oil pumping unit is characterized in that when the electric brake device stops, a motor is matched with a speed reducer to drive a ball screw to rotate, and further a screw nut drives a sliding sleeve to slide oppositely, so that the brake force of a first brake shoe and a second brake shoe is gradually increased, a brake wheel is finally locked, the progressive brake effect is realized, the accuracy of a brake position is more favorably controlled, in addition, because a spring is positioned between the first brake shoe and the second brake shoe, the impact force can be effectively reduced, the mechanical vibration and loss can be effectively reduced, after the electric brake device stops, the speed reducer can prevent the reverse rotation due to the self-locking function, in addition, the electric brake device is provided with an emergency crank on an input shaft of the speed reducer, when power failure or sudden failure occurs, the electric brake device can manually operate by rotating the emergency crank, and is simple and convenient to operate, high in brake speed, large in strength, The brake stopping position is accurate, controllable and stable.
Drawings
Fig. 1 is the utility model relates to an electric brake device's of beam-pumping unit overall structure schematic diagram.
Fig. 2 is the utility model relates to a sliding sleeve and screw nut's of beam-pumping unit electric brake device schematic diagram of being connected.
In the figure: 1. a brake wheel; 2. a first brake shoe; 3. a second brake shoe; 4. a sliding shaft; 5. a spring; 6. a sliding sleeve; 7. a motor; 8. a speed reducer; 9. a ball screw; 10. a lead screw nut; 11. positioning blocks; 12. a limit travel switch; 13. a brake pad; 14. emergent hand-operated wheel.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, an electric brake device of a pumping unit comprises a brake wheel 1, a first brake shoe 2 and a second brake shoe 3 are sleeved on the outer side of the brake wheel 1, the tops of the first brake shoe 2 and the second brake shoe 3 are hinged to each other through a screw fixed on a reduction gearbox of the pumping unit, a sliding shaft 4 penetrates through the lower ends of the first brake shoe 2 and the second brake shoe 3, a spring 5 is sleeved outside the sliding shaft 4, the spring 5 is located between the first brake shoe 2 and the second brake shoe 3, sliding sleeves 6 are sleeved on two ends of the sliding shaft 4, a motor 7 is arranged on one side of the brake wheel 1, an output shaft of the motor 7 is connected with a speed reducer 8, the speed reducer 8 is of a bidirectional double-shaft output structure, the bottom of the speed reducer 8 is connected with the output shaft of the motor 7 through a coupler, the output shaft of the speed reducer 8 is connected with a ball screw 9, the ball screw 9 is a short-section screw structure with two sections of threads in opposite screwing directions, a screw nut 10 matched with the ball screw 9 is sleeved on the surface of the ball screw 9, the top of the screw nut 10 is fixedly connected with the sliding sleeve 6, one end of the ball screw 9 is connected with the output shaft of the speed reducer 8 through a coupler, and the other end of the ball screw 9 is rotatably connected to the support.
In this embodiment, preferably, positioning blocks 11 are fixed to both ends of the sliding shaft 4, and a limit travel switch 12 is disposed on a surface of one side of each positioning block 11.
In this embodiment, it is preferable that the inner surfaces of the first brake shoe 2 and the second brake shoe 3 are provided with brake pads 13, and a gap between the brake pads 13 and the surface of the brake wheel 1 is 2-3 mm.
In this embodiment, preferably, the motor 7 is fixed on the brake base by bolts.
In this embodiment, preferably, an emergency hand wheel 9 is installed at one end of the speed reducer 8 far away from the motor 7.
It should be noted that, the utility model relates to an electric brake device of oil pumping unit, when using, at first will. When the device stops, the motor 7 is matched with the speed reducer 8 to drive the ball screw to rotate, and further the screw nut 10 drives the sliding sleeve 6 to slide oppositely, so that the brake force of the first brake shoe 2 and the second brake shoe 3 is gradually increased, and the brake wheel 2 is finally locked to realize the progressive brake effect, thereby being more favorable for controlling the accuracy of the brake position, in addition, as the spring 5 is positioned between the first brake shoe 2 and the second brake shoe 3, the impact force can be effectively reduced, the mechanical vibration and loss can be effectively reduced, after the brake is stopped, the speed reducer 8 can prevent the reverse rotation due to the self-locking function, in addition, the device is provided with the emergency crank 9 on the input shaft of the speed reducer 8, when the power failure or the sudden failure occurs, the manual operation brake can be carried out by rotating the emergency crank 9, the device is simple and convenient to operate, the brake speed is high, the force is large, and the sliding sleeve, The brake stopping position is accurate, controllable and stable.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an electric brake device of pumping unit, includes brake wheel (1), its characterized in that: the brake device is characterized in that a first brake shoe (2) and a second brake shoe (3) are sleeved on the outer side of a brake wheel (1), the tops of the first brake shoe (2) and the second brake shoe (3) are hinged to each other through a screw fixed on a reduction gearbox of the oil pumping unit, a sliding shaft (4) penetrates through the lower end of the first brake shoe (2) and the lower end of the second brake shoe (3), a spring (5) is sleeved outside the sliding shaft (4), the spring (5) is located between the first brake shoe (2) and the second brake shoe (3), sliding sleeves (6) are sleeved at two ends of the sliding shaft (4), a motor (7) is arranged on one side of the brake wheel (1), an output shaft of the motor (7) is connected with a speed reducer (8), the speed reducer (8) is of a bidirectional double-shaft output structure, and the bottom of the speed reducer (8) is connected with an output shaft of the motor (7) through a coupler, the output shaft of speed reducer (8) has ball (9), ball (9) are two sections screw thread and revolve to opposite nipple joint lead screw structure, the surface cover of ball (9) is equipped with screw nut (10) of looks adaptation, the top of screw nut (10) with sliding sleeve (6) fixed connection, the one end of ball (9) pass through the shaft coupling with the output shaft of speed reducer (8), the other end rotation of ball (9) is connected on the support.
2. The electric brake device of the oil pumping unit according to claim 1, characterized in that: positioning blocks (11) are fixed at two ends of the sliding shaft (4), and a limit travel switch (12) is arranged on the surface of one side of each positioning block (11).
3. The electric brake device of the oil pumping unit according to claim 1, characterized in that: the inner surfaces of the first brake shoe (2) and the second brake shoe (3) are provided with brake pads (13), and the gap between the brake pads (13) and the surface of the brake wheel (1) is 2-3 mm.
4. The electric brake device of the oil pumping unit according to claim 1, characterized in that: the motor (7) is fixed on the brake base through a bolt.
5. The electric brake device of the oil pumping unit according to claim 1, characterized in that: the emergency hand-operated wheel (14) is installed at one end, far away from the motor (7), of the speed reducer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922134965.0U CN211082627U (en) | 2019-12-03 | 2019-12-03 | Electric brake device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922134965.0U CN211082627U (en) | 2019-12-03 | 2019-12-03 | Electric brake device of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082627U true CN211082627U (en) | 2020-07-24 |
Family
ID=71647237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922134965.0U Active CN211082627U (en) | 2019-12-03 | 2019-12-03 | Electric brake device of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082627U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350525A (en) * | 2020-12-01 | 2021-02-09 | 上海海事大学 | Motor starting process protection device |
| CN113679518A (en) * | 2021-08-06 | 2021-11-23 | 华南理工大学 | Embrace formula elbow joint anti-shake mechanism and elbow joint of stopping |
| CN114017451A (en) * | 2021-09-29 | 2022-02-08 | 大庆师范学院 | Beam-pumping unit braking system based on computer control |
-
2019
- 2019-12-03 CN CN201922134965.0U patent/CN211082627U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350525A (en) * | 2020-12-01 | 2021-02-09 | 上海海事大学 | Motor starting process protection device |
| CN113679518A (en) * | 2021-08-06 | 2021-11-23 | 华南理工大学 | Embrace formula elbow joint anti-shake mechanism and elbow joint of stopping |
| 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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