CN205078551U - Oil -well rig prevents electric automatic control device of hydraulic pressure booster draining - Google Patents
Oil -well rig prevents electric automatic control device of hydraulic pressure booster draining Download PDFInfo
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- CN205078551U CN205078551U CN201520877112.5U CN201520877112U CN205078551U CN 205078551 U CN205078551 U CN 205078551U CN 201520877112 U CN201520877112 U CN 201520877112U CN 205078551 U CN205078551 U CN 205078551U
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- draining
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- pressure booster
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Abstract
The utility model relates to an oil drilling safety technical field, in particular to oil -well rig prevents electric automatic control device of hydraulic pressure booster draining. The device includes: prevent hydraulic pressure booster draining circuit, prevent that hydraulic pressure booster draining circuit from including pressure sensor, flow sensor, an audible -visual annunciator, normally closed relay, the normally opened relay of series connection, normally closed relay and normally opened relay are established ties to open at the hydraulic pump motor and are stopped control circuit, the pressure sensor connection exports at the hydraulic pump pipeline, flow sensor installs on hydraulic system oil return line. The utility model provides a preventing the electric automatic control device of hydraulic pressure booster draining, adapting to well drilling hydraulic circuit's various operating modes, electrical control is accurate rapidly, and no malfunction is whole explosion -proof to combustible gas, can avoid extravagant and environmental pollution effectively by the leakage of hydraulic oil, and superpressure alarming function can be realized to the while, prevention pipeline superpressure booster.
Description
Technical field
The utility model relates to oil drilling security technology area, and particularly a kind of oil-well rig prevents hydraulic pressure booster draining electrical automatic control equipment.
Background technique
Hydraulic system is the chief component of oil-well rig.Hydraulic system major function is that motor-driven hydraulic pumps provides high-voltage oil liquid, drives multi-stage oil cylinder derrick telescoping, drives on hydraulic tongs and unloads drilling rod thread, drives hydraulic disc brake to control winch speed.Due to hydraulic line is aging, instantaneous load is excessive, jointing releases reasons such as fracture, usually make the high pressure line booster beyond oil hydraulic pump, hydraulic oil is caused to run off in a large number, cause danger and waste, also pollute the environment simultaneously, do not meet the system of HSE(health, safety, the management of the environment three-in-one) construction requirement; Fluid is sprayed on equipment, can cause harm to a certain degree, and apparatus sanitation is difficult to clean out.Pump discharge pressure after booster reduces to zero, and oil tank liquid level declines, and return tube is without flow.If only with pump discharge pressure reduce to zero or oil tank liquid level decline judge whether booster, be inaccurate.Because can produce larger pressure surge when hydraulic tongs unloading drilling rod thread, usually cause pump discharge high-voltage tube pressure to reduce to zero, oil tank liquid level is constant, and return tube has flow; When driving multi-stage oil cylinder derrick telescoping, pump discharge high-voltage tube pressure is comparatively large, and return tube has flow, but oil tank liquid level declines.Therefore judge whether that two necessary conditions of booster are: pump discharge high-voltage tube pressure reduces to zero-sum return tube without flow.Preventing hydraulic pressure booster draining problem for solving oil-well rig hydraulic system, needing the work characteristics considering hydraulic pressure actuating equipment as a whole, judging in time, early warning control booster draining, but also there is no effective solution at present.
Model utility content
(1) technical problem to be solved
The utility model provides a kind of oil-well rig to prevent hydraulic pressure booster draining electrical automatic control equipment, meet drilling equipment requirement of explosion proof, overcome prior art and easily cause high pressure line booster, hydraulic oil runs off in a large number, causes wasting resource and causes certain defect polluted to environment.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of oil-well rig to prevent hydraulic pressure booster draining electrical automatic control equipment, comprise: prevent hydraulic pressure booster draining circuit, described in prevent hydraulic pressure booster draining circuit from comprising pressure transducer, flow transducer, first sound light crossing-signal, normally closed relay, the normally opened relay be connected in series;
Wherein, normally closed relay and normally opened relay are connected in hydraulic pump motor starting or stopping control circuit;
Pressure transducer is connected to oil hydraulic pump pipeline outlet, connects the pressure drop control circuit in described pressure transducer when described pressure transducer detects that current pressure reduces to zero;
Flow transducer is connected in Hydraulic System Oil oil return pipeline, when flow transducer detect current without connect during flow in described flow transducer without flow control circuit;
When under pressure drop control circuit and the situation connected without flow control circuit simultaneously, prevent hydraulic pressure booster draining circuit ON power supply, trigger normally closed relay, hydraulic pump motor starting or stopping control circuit disconnects, hydraulic pump motor stops, trigger first sound light crossing-signal to start, realize reporting to the police and preventing oil draining function;
In addition, also comprise second sound light crossing-signal, described second sound light crossing-signal is in parallel with first sound light crossing-signal, and is connected between pressure transducer and normally opened relay;
When line pressure is higher than capping, high-voltage contact connected by pressure transducer, starts second sound light crossing-signal, sends overpressure alarm.
Preferably, described in prevent from being provided with emergency stop button between hydraulic pressure booster draining circuit and hydraulic pump motor, when line pressure is higher than capping, high-voltage contact connected by pressure transducer, starts second sound light crossing-signal, sends overpressure alarm, start emergency stop button simultaneously.
Preferably, described pressure transducer adopts explosion-proof type pressure transducer.
Preferably, described flow transducer adopts explosion-proof type flow transducer.
Preferably, described normally closed relay, normally opened relay, first sound light crossing-signal, second sound light crossing-signal and emergency stop button are integrated in a box had inflammable gas explosion prevention function respectively, meet requirement of explosion proof.
(3) beneficial effect
The utility model provides a kind of oil-well rig to prevent hydraulic pressure booster draining electrical automatic control equipment, has following beneficial effect:
(1) prevent hydraulic pressure booster draining electrical automatic control equipment, adapt to the various operating modes in drilling hydraulic loop, electrical control is precisely rapid, error-free motion, overall explosion-proof to inflammable gas, improves rig efficiency.
(2) overpressure alarm function can be realized, prevention pipeline superpressure booster.
(3) effectively prevent the leakage of hydraulic oil, avoid waste and environmental pollution, it also avoid draining and to make dirty equipment.
(4) acoustooptic alarm, is convenient to the quick failure judgement of rig personnel.
(5) prevent hydraulic pressure booster draining electrical automatic control equipment from not having friction pair, device lifetime is longer, more reliable.
(6) cost is low, easy to maintenance.
(7) easy for installation, without the need to changing any original equipment mechanism, original structure can realize install.
Accompanying drawing explanation
Fig. 1 is that the utility model embodiment oil-well rig prevents hydraulic pressure booster draining electrical automatic control equipment structural representation;
Fig. 2 prevents pressure transducer, flow transducer scheme of installation described in hydraulic pressure booster draining electrical automatic control equipment for the utility model embodiment oil-well rig.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model provides a kind of oil-well rig to prevent hydraulic pressure booster draining electrical automatic control equipment, comprise: prevent hydraulic pressure booster draining circuit, described in prevent hydraulic pressure booster draining circuit from comprising pressure transducer 1, flow transducer 2, first sound light crossing-signal 5, normally closed relay 3, the normally opened relay 4 be connected in series;
Wherein, normally closed relay 3 and normally opened relay 4 are connected in hydraulic pump motor starting or stopping control circuit;
Pressure transducer 1 is connected to oil hydraulic pump pipeline outlet, connects the pressure drop control circuit in described pressure transducer 1 when described pressure transducer 1 detects that current pressure reduces to zero;
Flow transducer 2 is connected in fuel tank hydraulic oil oil return pipeline, when flow transducer 2 detect current without connect during flow in described flow transducer 2 without flow control circuit;
When under pressure drop control circuit and the situation connected without flow control circuit simultaneously, prevent hydraulic pressure booster draining circuit ON power supply, trigger normally closed relay 3, hydraulic pump motor starting or stopping control circuit disconnects, hydraulic pump motor 8 stops, trigger first sound light crossing-signal 5 to start, realize reporting to the police and preventing oil draining function;
In addition, be prevention line burst, this device have also been devised early-warning for high pressure function, and this device also comprises second sound light crossing-signal 6, and described second sound light crossing-signal 6 is in parallel with first sound light crossing-signal 5, and is connected between pressure transducer 1 and normally opened relay 4;
When line pressure is higher than capping, high-voltage contact connected by pressure transducer 1, starts second sound light crossing-signal 6, sends overpressure alarm, the timely off-load of prompt facility operator.
After hydraulic pump motor on off control loop disconnects, normally opened relay disconnects, and prevents hydraulic pressure booster drainage device circuit from disconnecting, and normally closed relay resets, for hydraulic pump motor 8 starts ready;
After hydraulic pump motor 8 starts, normally opened relay 4 make contact, prevents hydraulic pressure booster drainage device circuit from entering anti-letting out and alert status.
In addition, described in prevent from being provided with emergency stop button 7 between hydraulic pressure booster draining circuit and hydraulic pump motor, when line pressure is higher than capping, high-voltage contact connected by pressure transducer 1, starts the second acoustooptic alarm 6, sends overpressure alarm, simultaneously start emergency stop button 7.
Oil-well rig prevents the electric elementss such as relay, alarm, switch described in hydraulic pressure booster drainage device to be integrated in the stainless steel box of a sealing, and external gas source, realizes electric control system explosion-proof to inflammable gas; Described pressure transducer 1 adopts explosion-proof type pressure transducer, and described flow transducer 2 adopts explosion-proof type flow transducer, and implement device is overall explosion-proof to inflammable gas.
It should be noted that, the present embodiment oil-well rig prevents the principle of hydraulic pressure booster draining electrical automatic control equipment from being that hydraulic pump outlet line pressure reduces to zero-sum return tube when occurring without flow phenomenon simultaneously, stops hydraulic pump motor realizing preventing draining fast.
Specifically describe the installation steps that this oil-well rig prevents hydraulic pressure booster draining electrical automatic control equipment below:
The utility model product can be suitable for oil-well rig hydraulic system, installs and uses when not changing original structure.Implementation process is divided into three steps:
(1) oil circuit sensor is installed.First hydraulic pump outlet pipeline is outwarded winding, pressure transducer 1(circuit is connected) in button one end and tank line outer link to connect and screw, the other end is detained outward with pipeline in link to connect and screw.Then tank drainback pipe is outwarded winding, flow transducer 2(circuit is connected) in link to connect and screw outside button one end and tank line, the other end is detained outward with oil return pipeline in link to connect and screw (as shown in Figure 2).
(2) control circuit part is installed.Prevent hydraulic pressure booster drainage device electric control system to be integrated in a square stainless steel box, the elements such as inner normally closed relay 3, normally opened relay 4, first sound light crossing-signal 5 and second sound light crossing-signal 6, push-button switch connect by circuit diagram 1.Hydraulic pump motor starting or stopping control circuit is disconnected, will the tenminal block of hydraulic pressure booster drainage device be prevented, by label prompting access hydraulic pump motor starting or stopping control circuit.
(3) setting and debugging apparatus.One is simulation booster process, is outwarded winding by the hydraulic pump outlet pipeline the other end, inserts tank filler, start hydraulic pump motor, pressure transducer, flow transducer is regulated to start adjusting screw, until prevent the action of hydraulic pressure booster drainage device from stopping hydraulic pump motor, audible-visual annunciator action simultaneously.Two is connected by hydraulic pump outlet pipeline, starts hydraulic pump motor and builds the pressure, according to pressure gauge indicating value, the high pressure of pressure transducer is adjusted to the force value that rig specifies, generally not higher than relief valve oil pressure relief value.Continue after pressure release to build the pressure, during pressure arrival setting, audible-visual annunciator action, debugs complete.
Due to different oil-well rig, its hydraulic system structure and parameter are also different, fuel-displaced different with connecting thread specification also possibility with the size of return tube, can design pressure transducer and the flow transducer of different size and screw thread accordingly, sensor conductor length is according to rig layout and prevent hydraulic pressure booster drainage device putting position can be designed to different length.Hydraulic pressure booster drainage device electric control system is prevented generally to be placed in driller house, so that observe and control.
The utility model provides a kind of oil-well rig to prevent hydraulic pressure booster draining electrical automatic control equipment, has following beneficial effect:
(1) prevent hydraulic pressure booster draining electrical automatic control equipment, adapt to the various operating modes in drilling hydraulic loop, electrical control is precisely rapid, error-free motion, overall explosion-proof to inflammable gas, improves rig efficiency.
(2) overpressure alarm function can be realized, prevention pipeline superpressure booster.
(3) effectively prevent the leakage of hydraulic oil, avoid waste and environmental pollution, it also avoid draining and to make dirty equipment.
(4) acoustooptic alarm, is convenient to the quick failure judgement of rig personnel.
(5) prevent hydraulic pressure booster draining electrical automatic control equipment from not having friction pair, device lifetime is longer, more reliable.
(6) cost is low, easy to maintenance.
(7) easy for installation, without the need to changing any original equipment mechanism, original structure can realize install.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (5)
1. an oil-well rig prevents hydraulic pressure booster draining electrical automatic control equipment, it is characterized in that, comprise: prevent hydraulic pressure booster draining circuit, described in the pressure transducer (1), flow transducer (2), first sound light crossing-signal (5), normally closed relay (3), the normally opened relay (4) that prevent from hydraulic pressure booster draining circuit from comprising being connected in series;
Wherein, normally closed relay (3) and normally opened relay (4) are connected in hydraulic pump motor starting or stopping control circuit;
Pressure transducer (1) is connected to oil hydraulic pump pipeline outlet, connects the pressure drop control circuit in described pressure transducer (1) when described pressure transducer (1) detects that current pressure reduces to zero;
Flow transducer (2) is connected in hydraulic system oil return pipeline, when flow transducer (2) detect current without connect during flow in described flow transducer (2) without flow control circuit;
When under pressure drop control circuit and the situation connected without flow control circuit simultaneously, prevent hydraulic pressure booster draining circuit ON power supply, trigger normally closed relay (3), hydraulic pump motor starting or stopping control circuit disconnects, hydraulic pump motor (8) stops, trigger first sound light crossing-signal (5) to start, realize reporting to the police and preventing oil draining function;
In addition, also comprise second sound light crossing-signal (6), described second sound light crossing-signal (6) is in parallel with first sound light crossing-signal (5), and is connected between pressure transducer (1) and normally opened relay (4);
When line pressure is higher than capping, high-voltage contact connected by pressure transducer (1), starts second sound light crossing-signal (6), sends overpressure alarm.
2. oil-well rig as claimed in claim 1 prevents hydraulic pressure booster draining electrical automatic control equipment, it is characterized in that, described preventing is provided with emergency stop button (7) between hydraulic pressure booster draining circuit and hydraulic pump motor, when line pressure is higher than capping, high-voltage contact connected by pressure transducer (1), start second sound light crossing-signal (6), send overpressure alarm, start emergency stop button (7) simultaneously.
3. oil-well rig as claimed in claim 1 prevents hydraulic pressure booster draining electrical automatic control equipment, it is characterized in that, described pressure transducer (1) adopts explosion-proof type pressure transducer.
4. oil-well rig as claimed in claim 1 prevents hydraulic pressure booster draining electrical automatic control equipment, it is characterized in that, described flow transducer (2) adopts explosion-proof type flow transducer.
5. oil-well rig as claimed in claim 2 prevents hydraulic pressure booster draining electrical automatic control equipment, it is characterized in that, described normally closed relay (3), normally opened relay (4), first sound light crossing-signal (5), second sound light crossing-signal (6) and emergency stop button (7) are integrated in a box had inflammable gas explosion prevention function respectively, meet requirement of explosion proof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877112.5U CN205078551U (en) | 2015-11-05 | 2015-11-05 | Oil -well rig prevents electric automatic control device of hydraulic pressure booster draining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877112.5U CN205078551U (en) | 2015-11-05 | 2015-11-05 | Oil -well rig prevents electric automatic control device of hydraulic pressure booster draining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078551U true CN205078551U (en) | 2016-03-09 |
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ID=55430965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877112.5U Withdrawn - After Issue CN205078551U (en) | 2015-11-05 | 2015-11-05 | Oil -well rig prevents electric automatic control device of hydraulic pressure booster draining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317786A (en) * | 2015-11-05 | 2016-02-10 | 李易擎 | Electric automatic control device, for preventing hydraulic pipe explosion and oil leakage, of petroleum drilling rig |
-
2015
- 2015-11-05 CN CN201520877112.5U patent/CN205078551U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317786A (en) * | 2015-11-05 | 2016-02-10 | 李易擎 | Electric automatic control device, for preventing hydraulic pipe explosion and oil leakage, of petroleum drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20170405 |
|
| AV01 | Patent right actively abandoned |