CN218117747U - Novel electrical reversing device for oil pumping unit - Google Patents
Novel electrical reversing device for oil pumping unit Download PDFInfo
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- CN218117747U CN218117747U CN202221730119.0U CN202221730119U CN218117747U CN 218117747 U CN218117747 U CN 218117747U CN 202221730119 U CN202221730119 U CN 202221730119U CN 218117747 U CN218117747 U CN 218117747U
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Abstract
The utility model relates to an oil production equipment technical field discloses a novel beam-pumping unit electrical reversing device. The device comprises an inductive sensor, a detection iron block, a sensor mounting bracket, a PLC (programmable logic controller), a signal wire, an operation button and a motor; the inductive sensor comprises a stroke starting position node sensor, an ultra-high stroke stop point sensor and an ultra-low stroke stop point sensor; the sensor mounting bracket is fixed on the pumping unit body; the detection iron block is arranged on the balance box; the PLC is respectively connected with the inductive sensor and the motor through signal wires; the operation button is arranged on a control circuit of the PLC. The utility model has simple structure, long service life and reliable operation; through electrical commutation, the energy consumption is low; the used components are cheap and low in cost; the pumping unit realizes high efficiency.
Description
Technical Field
The utility model relates to an oil recovery equipment technical field, concretely relates to novel beam-pumping unit electrical commutation device.
Background
At present, what the oil field extensively adopted is chain formula mechanical reversing beam-pumping unit, for example the patent of the name "triangle-shaped chain single reversing beam-pumping unit" (application number is 201720259516.7), and it includes switching-over gyrostat, weight box, sucker rod and reversing mechanism, and wire rope walks around switching-over gyrostat one end and is connected with the sucker rod, and the other end passes through the weight box and links to each other in succession with reversing mechanism, its characterized in that: the reversing mechanism comprises a fixing frame and a lifting power mechanism arranged on the fixing frame, the fixing frame is of a rectangular structure, the weight box is arranged in the fixing frame of the rectangular structure, the longitudinal inner side of the fixing frame of the rectangular structure is used as a roller path, a front sliding mechanism and a rear sliding mechanism for pulling a guide chain are arranged at the lower part of the weight box, rolling mechanisms are respectively arranged at four corners of the upper end part of the weight box and the lower end part of the sliding mechanism, and the weight box can roll up and down along the longitudinal inner side of the fixing frame; the lifting power mechanism comprises a front upper positioning adjusting chain wheel, a front lower large positioning guide chain wheel, a front lower small positioning guide chain wheel, a rear upper positioning adjusting chain wheel, a rear lower large positioning guide chain wheel, a rear lower small positioning guide wheel, a front guide ring chain and a rear guide ring chain which are correspondingly arranged in the fixing frame, the front lower large positioning guide chain wheel is coaxially provided with a front lower large transmission positioning chain wheel, and the rear lower large positioning guide chain wheel is coaxially provided with a rear lower large transmission positioning chain wheel; the front main driving wheel and the rear main driving chain wheel are arranged outside the fixing frame, and the rear main driving wheel and the rear main driving chain wheel are arranged outside the fixing frame; the front guide chain is wound on the excircle of the front upper positioning adjusting chain wheel, the front lower large positioning guide chain wheel and the front lower small positioning guide chain wheel, and chain links at two ends of the front left guide chain are respectively fixed on a left reversing traction shaft of the front slideway to form a triangular circulating chain; the rear guide chain is wound on the outer circles of the rear upper left positioning adjusting chain wheel, the rear lower large transmission positioning chain wheel and the rear lower left small positioning guide chain wheel, and two end sections of the rear left guide chain are respectively fixed on a left reversing traction shaft of the rear slideway, so that a triangular circulating chain is also formed; the front main transmission chain starts from the front main transmission chain wheel and bypasses the front lower large transmission positioning chain wheel to form closed-circuit transmission, and the rear main transmission chain starts from the rear main transmission chain wheel and bypasses the rear right lower large transmission positioning chain wheel to form closed-circuit transmission.
The efficiency of the chain reversing pumping unit is improved compared with that of a beam pumping unit. However, it has the following drawbacks: the service life is short; the impact when the chain is meshed with the chain wheel and the impact when reversing cause high energy consumption; chains are expensive.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a novel electric reversing device of a pumping unit.
The technical scheme is as follows: the device comprises an inductive sensor, a detection iron block, a sensor mounting bracket, a PLC (programmable logic controller), a signal wire, an operation button and a motor; the inductive sensor comprises a stroke starting position node sensor, an ultra-high stroke stop point sensor and an ultra-low stroke stop point sensor; the sensor mounting bracket is fixed on the pumping unit body and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-high stroke stop point and a third sensor mounting bracket positioned at an ultra-low stroke stop point; the stroke starting position node sensor, the ultra-high stroke stop point sensor and the ultra-low stroke stop point sensor are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket; the detection iron block is arranged on a balance box which is positioned in a tower frame of the balance box and moves up and down along with a suspension rope wound around a roller; the signal input point of the PLC is respectively connected with a stroke starting position node sensor, an ultra-upper stroke stop point sensor and an ultra-lower stroke stop point sensor through signal lines, and the signal output point is connected with a motor through signal lines; the operation button is arranged on a control circuit of the PLC.
The sensor mounting bracket comprises a bottom plate, a vertical plate and a sensor fixing mechanism, the lower end of the vertical plate is fixed on the bottom plate, and the vertical plate is detachably connected with the sensor fixing mechanism.
The bottom plate is welded on a tower beam of the oil pumping unit body.
The sensor fixing mechanism is an L-shaped plate.
An inductive sensor is fixed on a horizontal plate of the L-shaped plate, and a plurality of vertical plate round holes are formed in the vertical plate; a plurality of vertical plate round holes with the same specification as the vertical plate round holes are arranged on the vertical plate; the vertical plate and the vertical plate are connected through bolts which transversely penetrate through the circular holes of the vertical plate and are fastened by nuts.
And a flat washer is additionally arranged on the inner side of the nut.
The inductive sensor comprises an induction magnet, an inductance coil and a winding magnetic core, wherein the induction magnet is arranged at a position which can be close to the detection iron block.
And the signal input point of the PLC is a 24V signal input point.
And the signal output point of the PLC is a 24V signal output point.
The signal line is a 24V signal line.
Compared with the prior art, the utility model discloses mainly have following beneficial technological effect:
1. the utility model discloses simple structure, long service life, the operation is reliable.
2. The utility model discloses an electric switching-over, the energy consumption is low.
3. The utility model discloses used part low price, it is with low costs.
4. The utility model discloses make beam-pumping unit realize high efficiency.
Drawings
FIG. 1 is a schematic side view of a pumping unit body and a balance box tower of the present invention;
FIG. 2 is a rear view of the pumping unit body and the balance box tower of the present invention, showing the layout of the installation positions of the inductive sensors;
FIG. 3 is a schematic diagram of the PLC controller of the present invention;
FIG. 4 is a schematic view of the installation of the inductive sensor and the detection iron block of the present invention;
in the figure: 1-pumping unit body, 2-detection iron block, 3-sensor mounting bracket, 3.1-bottom plate, 3.2-vertical plate, 3.3-L-shaped plate, 3.3.1-horizontal plate, 3.3.2-vertical plate, 4-vertical plate round hole, 5-vertical plate round hole, 6-PLC controller, 7-operation button, 8-motor, 9-roller, 10-balance box tower, 11-stroke starting position node sensor, 12-ultra-upper stroke stop point sensor, 13-ultra-lower stroke stop point sensor, 14-balance box, 15-bolt, 16-nut, 17-induction magnet, 18-induction coil, 19-winding magnetic core.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
Example 1
See fig. 1, 2, 3 and 4. A novel oil pumping machine electrical reversing device comprises an inductive sensor, a detection iron block 2, a sensor mounting bracket 3, a PLC (programmable logic controller) 6, a signal wire, an operation button 7 and a motor 8. The inductive sensors include a stroke start position node sensor 11, an over-stroke stop point sensor 12, and an over-down-stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension ropes passing around the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-high stroke stop point sensor 12 and an ultra-low stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
Example 2
See fig. 1, 2, 3 and 4. The utility model provides a novel beam-pumping unit electrical commutation device, it includes inductance type sensor, detects iron plate 2, sensor installing support 3, PLC controller 6, signal line, operation button 7 and motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on the tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension rope passing through the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-upper stroke stop point sensor 12 and an ultra-lower stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower end of the vertical plate 3.2 is fixed on the bottom plate 3.1, and the vertical plate 3.2 is detachably connected with the sensor fixing mechanism.
Example 3
See fig. 1, 2, 3 and 4. A novel oil pumping machine electrical reversing device comprises an inductive sensor, a detection iron block 2, a sensor mounting bracket 3, a PLC (programmable logic controller) 6, a signal wire, an operation button 7 and a motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on a tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension ropes passing around the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-upper stroke stop point sensor 12 and an ultra-lower stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower extreme of riser 3.2 is fixed in on the bottom plate 3.1, adopts between riser 3.2 and the sensor fixed establishment to dismantle and is connected.
The sensor fixing mechanism is an L-shaped plate 3.3.
Example 4
See fig. 1, 2, 3 and 4. The utility model provides a novel beam-pumping unit electrical commutation device, it includes inductance type sensor, detects iron plate 2, sensor installing support 3, PLC controller 6, signal line, operation button 7 and motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on the tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension ropes passing around the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-high stroke stop point sensor 12 and an ultra-low stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower end of the vertical plate 3.2 is fixed on the bottom plate 3.1, and the vertical plate 3.2 is detachably connected with the sensor fixing mechanism.
The sensor fixing mechanism is an L-shaped plate 3.3.
An inductive sensor is fixed on a horizontal plate 3.3.1 of the L-shaped plate 3.3, and a plurality of vertical plate round holes 4 are arranged on a vertical plate 3.3.2; a plurality of vertical plate round holes 5 with the same specification as the vertical plate round holes 4 are arranged on the vertical plate 3.2; the vertical plate 3.3.2 and the vertical plate 3.2 are connected by a bolt 15 passing through the vertical plate circular hole 4 and the vertical plate circular hole 5 and fastened by a nut 16. So set up, along with vertical plate 3.3.2 reciprocating on riser 3.2, its vertical position can be adjusted to the inductance type sensor to satisfy the design requirement more accurately.
Example 5
See fig. 1, 2, 3 and 4. The utility model provides a novel beam-pumping unit electrical commutation device, it includes inductance type sensor, detects iron plate 2, sensor installing support 3, PLC controller 6, signal line, operation button 7 and motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on a tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension rope passing through the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-upper stroke stop point sensor 12 and an ultra-lower stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower extreme of riser 3.2 is fixed in on the bottom plate 3.1, adopts between riser 3.2 and the sensor fixed establishment to dismantle and is connected.
The sensor fixing mechanism is an L-shaped plate 3.3.
An inductive sensor is fixed on a horizontal plate 3.3.1 of the L-shaped plate 3.3, and a plurality of vertical plate round holes 4 are arranged on a vertical plate 3.3.2; a plurality of vertical plate round holes 5 with the same specification as the vertical plate round holes 4 are arranged on the vertical plate 3.2; the vertical plate 3.3.2 and the vertical plate 3.2 are connected by a bolt 15 passing through the vertical plate circular hole 4 and the vertical plate circular hole 5 and fastened by a nut 16. So set up, along with vertical plate 3.3.2 reciprocating on riser 3.2, its vertical position can be adjusted to the inductive sensor to satisfy the design requirement more accurately.
A flat washer is additionally arranged on the inner side of the nut 16 to increase the contact area, which is beneficial to enhancing the fastening effect and protecting the vertical plate 3.2 from being scratched.
Example 6
See fig. 1, 2, 3 and 4. The utility model provides a novel beam-pumping unit electrical commutation device, it includes inductance type sensor, detects iron plate 2, sensor installing support 3, PLC controller 6, signal line, operation button 7 and motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on the tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension ropes passing around the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-high stroke stop point sensor 12 and an ultra-low stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower end of the vertical plate 3.2 is fixed on the bottom plate 3.1, and the vertical plate 3.2 is detachably connected with the sensor fixing mechanism.
The sensor fixing mechanism is an L-shaped plate 3.3.
An inductive sensor is fixed on a horizontal plate 3.3.1 of the L-shaped plate 3.3, and a plurality of vertical plate round holes 4 are arranged on a vertical plate 3.3.2; a plurality of vertical plate round holes 5 with the same specification as the vertical plate round holes 4 are arranged on the vertical plate 3.2; the vertical plate 3.3.2 and the vertical plate 3.2 are connected by a bolt 15 which passes through the vertical plate round hole 4 and the vertical plate round hole 5 and are fastened by a nut 16. So set up, along with vertical plate 3.3.2 reciprocating on riser 3.2, its vertical position can be adjusted to the inductive sensor to satisfy the design requirement more accurately.
A flat washer is additionally arranged on the inner side of the nut 16 to increase the contact area, which is beneficial to enhancing the fastening effect and protecting the vertical plate 3.2 from being scratched.
The inductive sensor includes an induction magnet 17, an induction coil 18, and a wound core 19, and the induction magnet 17 is disposed at a position that can be close to the detection iron block 2, so as to obtain an optimal induction effect.
Example 7
See fig. 1, 2, 3 and 4. The utility model provides a novel beam-pumping unit electrical commutation device, it includes inductance type sensor, detects iron plate 2, sensor installing support 3, PLC controller 6, signal line, operation button 7 and motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on the tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the over-stroke stop point sensor 12 and the over-stroke stop point sensor 13 are respectively mounted on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension ropes passing around the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-upper stroke stop point sensor 12 and an ultra-lower stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower extreme of riser 3.2 is fixed in on the bottom plate 3.1, adopts between riser 3.2 and the sensor fixed establishment to dismantle and is connected.
The sensor fixing mechanism is an L-shaped plate 3.3.
An inductive sensor is fixed on a horizontal plate 3.3.1 of the L-shaped plate 3.3, and a plurality of vertical plate round holes 4 are arranged on a vertical plate 3.3.2; a plurality of vertical plate round holes 5 with the same specification as the vertical plate round holes 4 are arranged on the vertical plate 3.2; the vertical plate 3.3.2 and the vertical plate 3.2 are connected by a bolt 15 which passes through the vertical plate round hole 4 and the vertical plate round hole 5 and are fastened by a nut 16. So set up, along with vertical plate 3.3.2 reciprocating on riser 3.2, its vertical position can be adjusted to the inductive sensor to satisfy the design requirement more accurately.
A flat washer is additionally arranged on the inner side of the nut 16 to increase the contact area, which is beneficial to enhancing the fastening effect and protecting the vertical plate 3.2 from being scratched.
The inductive sensor includes an induction magnet 17, an induction coil 18, and a wound core 19, and the induction magnet 17 is disposed at a position that can be close to the detection iron block 2, so as to obtain an optimal induction effect.
The signal input point of the PLC 6 is a 24V signal input point; the signal output point of the PLC 6 is a 24V signal output point.
Example 8
See fig. 1, 2, 3 and 4. A novel oil pumping machine electrical reversing device comprises an inductive sensor, a detection iron block 2, a sensor mounting bracket 3, a PLC (programmable logic controller) 6, a signal wire, an operation button 7 and a motor 8. The inductive sensors include a stroke start position node sensor 11, an ultra-high stroke stop point sensor 12, and an ultra-low stroke stop point sensor 13. The sensor mounting bracket 3 is fixed on the tower beam of the pumping unit body 1 and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-upper stroke stop point and a third sensor mounting bracket positioned at an ultra-lower stroke stop point. The stroke starting position node sensor 11, the ultra-high stroke stop point sensor 12 and the ultra-low stroke stop point sensor 13 are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket. The detection iron 2 is mounted on a balancing box 14 which is located inside the balancing box tower 10 and moves up and down with the suspension ropes passing around the drum 9. The signal input point of the PLC 6 is respectively connected with a stroke starting position node sensor 11, an ultra-upper stroke stop point sensor 12 and an ultra-lower stroke stop point sensor 13 through signal lines, and the signal output point is connected with the motor 8 through signal lines. The operation button 7 is provided on a control circuit of the PLC controller 6.
The sensor mounting bracket 3 comprises a bottom plate 3.1, a vertical plate 3.2 and a sensor fixing mechanism, wherein the bottom plate 3.1 is welded on a tower beam of the pumping unit body 1; the lower extreme of riser 3.2 is fixed in on the bottom plate 3.1, adopts between riser 3.2 and the sensor fixed establishment to dismantle and is connected.
The sensor fixing mechanism is an L-shaped plate 3.3.
An inductive sensor is fixed on a horizontal plate 3.3.1 of the L-shaped plate 3.3, and a plurality of vertical plate round holes 4 are arranged on a vertical plate 3.3.2; a plurality of vertical plate round holes 5 with the same specification as the vertical plate round holes 4 are arranged on the vertical plate 3.2; the vertical plate 3.3.2 and the vertical plate 3.2 are connected by a bolt 15 which passes through the vertical plate round hole 4 and the vertical plate round hole 5 and are fastened by a nut 16. So set up, along with vertical plate 3.3.2 reciprocating on riser 3.2, its vertical position can be adjusted to the inductance type sensor to satisfy the design requirement more accurately.
A flat washer is additionally arranged on the inner side of the nut 16 to increase the contact area, which is beneficial to enhancing the fastening effect and protecting the vertical plate 3.2 from being scratched.
The inductive sensor includes an induction magnet 17, an induction coil 18, and a wound core 19, and the induction magnet 17 is disposed at a position that can be close to the detection iron block 2, so as to obtain an optimal induction effect.
The signal input point of the PLC 6 is a 24V signal input point; the signal output point of the PLC 6 is a 24V signal output point.
The signal line is a 24V signal line, and matches with a 24V signal input point of the PLC controller 6 and a 24V signal output point of the PLC controller 6.
The basic working principle of the utility model is as follows:
the upward displacement of the stroke start position node sensor 11 is the upper half stroke, and the downward displacement of the stroke start position node sensor 11 is the lower half stroke. When the operation button 7 is pressed for the first time to enable the pumping unit to operate for the first time, the interior of the pumping unit can be detected for one time, the motor 8 can drive the balance box 14 to move upwards or downwards, no matter the balance box moves upwards or downwards, when the detection iron block 2 is detected by the ultra-upper stroke stop point sensor 12 or the ultra-lower stroke stop point sensor 13, the ultra-upper stroke stop point sensor 12 or the ultra-lower stroke stop point sensor 13 sends a signal to the PLC 6, and the motor 8 can rotate towards the opposite direction; until the detection iron block 2 runs to the stroke starting position node and is detected by the stroke starting position node sensor 11, the signal is transmitted to the PLC controller 6 again, the PLC controller 6 calculates the running time S1 in the upper stroke and the running time S2 in the lower stroke after internal logic operation according to the value set on the display screen, and the detection is finished. Therefore, the oil pumping machine can realize the forward and reverse rotation of the motor 8 and the roller 9 according to the set values of S1 and S2, and the balance box 14 can move up and down in a reciprocating way.
Claims (6)
1. The utility model provides a novel beam-pumping unit electrical commutation device which characterized in that: the device comprises an inductive sensor, a detection iron block, a sensor mounting bracket, a PLC (programmable logic controller), a signal wire, an operation button and a motor; the inductive sensor comprises a stroke starting position node sensor, an ultra-high stroke stop point sensor and an ultra-low stroke stop point sensor; the sensor mounting bracket is fixed on the pumping unit body and comprises a first sensor mounting bracket positioned at a stroke starting position node, a second sensor mounting bracket positioned at an ultra-high stroke stop point and a third sensor mounting bracket positioned at an ultra-low stroke stop point; the stroke starting position node sensor, the ultra-high stroke stop point sensor and the ultra-low stroke stop point sensor are respectively arranged on the first sensor mounting bracket, the second sensor mounting bracket and the third sensor mounting bracket; the detection iron block is arranged on a balance box which is positioned in a tower frame of the balance box and moves up and down along with a suspension rope wound around a roller; the signal input point of the PLC is respectively connected with a stroke starting position node sensor, an ultra-upper stroke stop point sensor and an ultra-lower stroke stop point sensor through signal lines, and the signal output point is connected with a motor through signal lines; the operation button is arranged on a control circuit of the PLC;
the sensor mounting bracket comprises a bottom plate, a vertical plate and a sensor fixing mechanism, wherein the lower end of the vertical plate is fixed on the bottom plate, and the vertical plate is detachably connected with the sensor fixing mechanism;
the bottom plate is welded on a tower beam of the oil pumping unit body;
the sensor fixing mechanism is an L-shaped plate;
an inductive sensor is fixed on a horizontal plate of the L-shaped plate, and a plurality of vertical plate round holes are formed in the vertical plate; a plurality of vertical plate round holes with the same specification as the vertical plate round holes are arranged on the vertical plate; the vertical plate and the vertical plate are connected through bolts which transversely penetrate through the circular holes of the vertical plate and are fastened by nuts.
2. The novel electrical reversing device for the oil pumping machine according to claim 1, characterized in that: and a flat washer is additionally arranged on the inner side of the nut.
3. The novel electrical reversing device for the oil pumping machine according to claim 1, characterized in that: the inductive sensor comprises an induction magnet, an inductance coil and a winding magnetic core, wherein the induction magnet is arranged at a position which can be close to the detection iron block.
4. The novel electrical reversing device for the oil pumping machine according to claim 1, characterized in that: and the signal input point of the PLC is a 24V signal input point.
5. The novel electrical reversing device for the oil pumping machine according to claim 1, characterized in that: and the signal output point of the PLC is a 24V signal output point.
6. The novel electrical reversing device for the oil pumping machine according to claim 1, characterized in that: the signal line is a 24V signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221730119.0U CN218117747U (en) | 2022-07-07 | 2022-07-07 | Novel electrical reversing device for oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221730119.0U CN218117747U (en) | 2022-07-07 | 2022-07-07 | Novel electrical reversing device for oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218117747U true CN218117747U (en) | 2022-12-23 |
Family
ID=84518429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221730119.0U Active CN218117747U (en) | 2022-07-07 | 2022-07-07 | Novel electrical reversing device for oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218117747U (en) |
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2022
- 2022-07-07 CN CN202221730119.0U patent/CN218117747U/en active Active
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