CN216008466U - Parking brake control structure of oil pumping unit - Google Patents
Parking brake control structure of oil pumping unit Download PDFInfo
- Publication number
- CN216008466U CN216008466U CN202122572738.3U CN202122572738U CN216008466U CN 216008466 U CN216008466 U CN 216008466U CN 202122572738 U CN202122572738 U CN 202122572738U CN 216008466 U CN216008466 U CN 216008466U
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- Prior art keywords
- handle
- pumping unit
- switch
- parking brake
- plate
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- 238000005086 pumping Methods 0.000 title claims abstract description 27
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 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
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model relates to a technical field is controlled in the beam-pumping unit braking, and specificly relates to a beam-pumping unit parking brake controls structure. The utility model discloses a parking brake control structure of a pumping unit, which comprises a set of symmetrical toothed plates, wherein a handle is arranged between the toothed plates, and the toothed plates and the handle form a ratchet structure; a switch is arranged between the toothed plates, a positioning plate is arranged on the handle, and the switch is locked through the positioning plate; the locating plate is fixedly connected with the toothed plate through a second locating pin. When the main shaft is tightly braked by the operating handle, the switch is switched off, and the relay automatically switches off the power supply of the motor; when the brake is released and the handle is rotated to a preset position, the switch is switched on, the relay is closed, the power supply of the motor is switched on, and the main motor starts to work. When the main shaft is tightly braked by the operating handle, the switch is disconnected, and the relay automatically disconnects the power supply of the motor.
Description
Technical Field
The utility model relates to a technical field is controlled in the beam-pumping unit braking, and specificly relates to a beam-pumping unit parking brake controls structure.
Background
The brake control rod equipped on the oil pumping unit of the oil field adopts the same type of structure and operation: the main motor is arranged on a base of the oil pumping unit and drives the main shaft to rotate through belt transmission.
The brake system consists of a control handle, a force transmission pair and a brake shaft shoe which can be opened and closed. When the pumping unit is stopped and overhauled, firstly, the power supply of the main motor is cut off at the control cabinet, the motor stops rotating, the pumping unit stops working, then, the control handle of the braking system is manually tightened, the handle is fixed at a proper position by utilizing the ratchet at the handle, at the moment, the braking bearing shoes are folded inwards, the rotating main shaft is tightly held, and the braking action is realized.
In actual operation, the two-stage operation often causes the situation that an operator carelessly does not tighten the brake control lever. When the motor stops working, the brake system starts to overhaul the equipment without tightly braking the main shaft of the pumping unit. At this moment, because of the fluctuating and balancing weight too heavy on the equipment of pressure in the oil well, under the combined action of well pressure and balancing weight, the swing arm of equipment can autokinetic movement, greatly endangers equipment repair personnel's personal safety. The existing parking-braking function structure is improved, and the novel parking-braking function integrated operating device is adopted, so that the maintenance of the pumping unit equipment and the personal safety of operators can be reliably guaranteed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior technical scheme, the utility model aims at providing a parking brake control structure of a pumping unit, which realizes that when an operating handle is used for tightly braking a main shaft, a switch is disconnected, and a relay automatically disconnects a motor power supply; when the brake is released and the handle is rotated to a preset position, the switch is switched on, the relay is closed, the power supply of the motor is switched on, and the main motor starts to work.
In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:
the utility model discloses a parking brake control structure of a pumping unit, which comprises a set of symmetrical toothed plates, wherein a handle is arranged between the toothed plates, and the toothed plates and the handle form a ratchet structure; a switch is arranged between the toothed plates, a positioning plate is arranged on the handle, and the switch is locked through the positioning plate; the locating plate is fixedly connected with the toothed plate through a second locating pin.
According to the further technical scheme, the toothed plate is of a fan-shaped structure, and the outer arc surface of the toothed plate is provided with the ratchets.
According to a further technical scheme, the handle is provided with a ratchet, and the ratchet on the handle is matched with the ratchet on the toothed plate in size.
According to the further technical scheme, one end, extending out of the toothed plate, of the handle is further provided with a tensioning shaft.
According to the technical scheme, a through hole is formed in one end, located in the toothed plate, of the handle, and the handle is hinged to the toothed plate through a first positioning pin through the through hole.
According to the further technical scheme, a positioning plate is arranged on one side, far away from the tensioning shaft, of the handle.
According to a further technical scheme, the positioning plate is provided with a pin hole, and the pin hole in the positioning plate corresponds to the round hole in the toothed plate in position when the positioning plate locks the switch.
According to the further technical scheme, a positioning shaft is arranged on the positioning plate, and the switch is locked through the positioning shaft.
Further technical scheme, the switch is fixed in between the pinion rack through the coupling block.
According to a further technical scheme, the connecting block is fixed on the toothed plate through bolts.
The beneficial effects of one or more technical schemes are as follows:
1. a self-reset normally-open switch is arranged at a proper position of the operating handle, and the switch is used for controlling the on-off of the breaker of the main motor. When the main shaft is tightly braked by the operating handle, the switch is switched off, and the relay automatically switches off the power supply of the motor; when the brake is released and the handle is rotated to a preset position, the switch is switched on, the relay is closed, the power supply of the motor is switched on, and the main motor starts to work.
2. The first positioning pin and the second positioning pin are arranged at proper positions of the operating handle, and the position of the handle is fixed by the second positioning pin, so that the switch is continuously switched on; and taking out the second positioning pin, loosening the locking of the switch by the positioning plate, and disconnecting the main motor.
3. The switch part is designed to be waterproof, so that all-weather operation of the switch is guaranteed.
4. The end part of the positioning pin is provided with a locking structure, so that unauthorized personnel cannot operate the positioning pin.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention when the main motor is in operation;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic view of the overall structure of the present invention when the main motor is disconnected;
in the figure, the device comprises a toothed plate 1, a toothed plate 2, a first positioning pin 3, a second positioning pin 4, a handle 5, a connecting block 6, a switch 7, a tensioning shaft 8, a positioning shaft 9 and a positioning plate.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the utility model discloses a pumping unit parking brake control structure, including pinion rack 4, first locating pin 2, second locating pin 3, handle 4, coupling block 5, tensioning axle 7 and switch 6.
As shown in fig. 1, a handle is arranged between two symmetrical toothed plates; the handle is connected with the toothed plate 1 through a first positioning pin and a second positioning pin; the handle is located one of pinion rack and is served and be provided with the through-hole, through the through-hole with the pinion rack through first locating pin hinged joint. The toothed plate 1 is in a fan shape; wherein, first locating pin 2 plays the articulated effect of being connected between handle 4 and pinion rack 1, realizes that the handle rotates the change that takes place the displacement around this first locating pin relative pinion rack.
The outer circle edge of the toothed plate 1 is provided with a first ratchet, the handle 4 is provided with a second ratchet matched with the first ratchet, the handle 1 and the toothed plate 4 form a ratchet mechanism, and when the handle 4 moves rightwards along the arc direction of the toothed plate 1 as shown in fig. 1 and moves to a locking position, the handle cannot continuously rotate towards the right side of the toothed plate 1 due to the fact that the handle is meshed with the ratchets of the toothed plate; at the moment, the braking device is released, the main motor works, and the whole equipment is in a working state.
A switch is further arranged between the toothed plates 1, the switch is a self-reset normally-open switch, and as shown in fig. 1 and fig. 2, the switch is arranged at the left side position of the toothed plate and is close to the outer arc edge of the toothed plate.
The handle comprises a positioning plate 9 which is arranged on the left side of the handle; the positioning plate is provided with a pin hole, and the pin hole on the positioning plate corresponds to the round hole on the toothed plate when the positioning plate locks the switch. The pin holes in the positioning plate are used for being fixedly connected with the toothed plate through the second positioning pins, so that the positioning plate is fixed on the toothed plate when the second positioning pins are inserted, the switch is just locked by the positioning shafts of the positioning plate, and the main motor is switched on.
A positioning shaft 8 is arranged on the positioning plate 9, when the positioning plate 9 rotates rightwards along the toothed plates along with the handle, the positioning shaft 8 is locked with the switch, and the switch 6 is arranged between the toothed plates through the connecting block 5; at the moment, the switch is in a closed state, the brake device is released, the main motor works, and the whole pumping unit equipment is in a working state.
The handle is also provided with a tensioning shaft 7, the bearing bush is tensioned through the tensioning shaft, and the bearing bush embraces the main shaft to realize the braking of the braking device. The bearing bush loosens the main shaft to realize the loosening of the braking device.
After the second positioning pin 3 is taken out, as shown in fig. 3, the handle can rotate leftwards along the toothed plate around the first positioning pin, at the moment, the positioning shaft on the positioning plate is far away from the self-resetting normally-open switch, the self-resetting normally-open switch is disconnected, the switch 6 is in a disconnected state, the power supply of the main motor is disconnected at the moment, the motor stops rotating, the braking device is in a braking device, the main shaft is tightly held by the handle, the braking system is completely braked while the motor is disconnected, and the potential safety hazard caused by forgetting tensioning the hand brake after the power supply is turned off is avoided.
And a locking device is arranged on the second positioning pin 3, and only authorized personnel can take out the second positioning pin. And carry out waterproof design to normally open switch from restoring to throne in this application, guarantee the all-weather work of switch.
The design of first locating pin 2 and second locating pin 3 of this application is at the right position locating pin of operating handle, utilizes the position of second locating pin fixed handle, and this position guarantees the continuation switch-on of switch.
The working principle is as follows: when the handle is positioned at the position shown in the figure 1, the positioning shaft of the positioning plate of the handle locks the self-resetting normally-open switch 6 to close the self-resetting normally-open switch, the self-resetting normally-open switch is communicated with the main motor to realize the communication of the power supply of the main motor, the main motor works at the moment, the brake device is loosened at the position where the handle is positioned, the handle controls the bearing bush to loosen the main shaft of the brake device at the moment, and the whole equipment is in a working running state; when the second positioning pin 3 is taken out, the handle can move leftwards along the toothed plate around the position shown in fig. 1, at the moment, the positioning shaft of the positioning plate of the handle leaves the self-resetting normally-open switch, the main motor is powered off, when the handle is in the position shown in fig. 3, the main motor is powered off, the shaft bush is controlled by the handle to tightly hold the main shaft of the brake device, the brake device is in a braking state, the brake device is in a complete braking state while the motor is powered off, the traditional two-step operation that the motor power is turned off at the position of an electric appliance cabinet before the motor is powered off and the handle is pulled to tightly brake the main shaft is avoided, the possibility that the hand brake is forgotten to be tightened is eliminated by the design, and the hidden danger caused by the fact that the hand brake is forgotten to be pulled is also eliminated.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A parking brake control structure of an oil pumping unit is characterized by comprising a group of symmetrical toothed plates, a handle is arranged between the toothed plates, and the toothed plates and the handle form a ratchet structure; a switch is arranged between the toothed plates, a positioning plate is arranged on the handle, and the switch is locked through the positioning plate; the locating plate is fixedly connected with the toothed plate through a second locating pin.
2. The parking brake operating structure of a pumping unit as claimed in claim 1, wherein the toothed plate is a sector structure, and the outer arc surface of the toothed plate is provided with the ratchet teeth.
3. The parking brake operating structure of a pumping unit as claimed in claim 2, wherein the handle is provided with a ratchet, and the ratchet on the handle is matched with the ratchet on the toothed plate in size.
4. The parking brake operating structure of a pumping unit as claimed in claim 1, wherein a tightening shaft is further provided at an end of the handle extending out of the toothed plate.
5. The parking brake operation and control structure of a pumping unit according to claim 1, wherein a through hole is formed at one end of the handle located in the toothed plate, and the handle is hinged to the toothed plate through the first positioning pin.
6. The parking brake operating structure of a pumping unit as claimed in claim 4, wherein a positioning plate is provided on a side of the handle away from the tightening shaft.
7. The parking brake operation and control structure for oil pumping unit according to claim 1, wherein the positioning plate has a pin hole, and the pin hole of the positioning plate corresponds to the round hole of the toothed plate when the positioning plate locks the switch.
8. The parking brake operating structure of a pumping unit according to claim 1, wherein the positioning plate is provided with a positioning shaft, and the switch is locked by the positioning shaft.
9. The parking brake manipulation structure of a pumping unit according to claim 1, wherein the switch is fixed between the tooth plates through a coupling block.
10. The parking brake manipulation structure of a pumping unit according to claim 9, wherein the coupling block is fixed to the toothed plate by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122572738.3U CN216008466U (en) | 2021-10-25 | 2021-10-25 | Parking brake control structure of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122572738.3U CN216008466U (en) | 2021-10-25 | 2021-10-25 | Parking brake control structure of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008466U true CN216008466U (en) | 2022-03-11 |
Family
ID=80526055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122572738.3U Expired - Fee Related CN216008466U (en) | 2021-10-25 | 2021-10-25 | Parking brake control structure of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008466U (en) |
-
2021
- 2021-10-25 CN CN202122572738.3U patent/CN216008466U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220311 |