CN110878748A - Fuel injection system and method for rotary drilling rig - Google Patents
Fuel injection system and method for rotary drilling rig Download PDFInfo
- Publication number
- CN110878748A CN110878748A CN201911305798.XA CN201911305798A CN110878748A CN 110878748 A CN110878748 A CN 110878748A CN 201911305798 A CN201911305798 A CN 201911305798A CN 110878748 A CN110878748 A CN 110878748A
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- China
- Prior art keywords
- drilling rig
- rotary drilling
- pumping
- fuel
- injection system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Abstract
The invention relates to the technical field of rotary drilling rigs, in particular to a fuel injection system and a fuel injection method of a rotary drilling rig, wherein the fuel injection system of the rotary drilling rig comprises a trigger device, a conversion device, a pumping device and a pumping switch; the pumping switch is connected with the conversion device; the conversion device is connected with the pumping device and can enable the pumping device to be electrified to work so as to enable the pumping device to pump fuel into a fuel tank of the rotary drilling rig; the trigger device is used for being installed on a fuel tank of the rotary drilling rig, so that the pumping device stops pumping fuel into the fuel tank of the rotary drilling rig after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position. The invention can avoid the technical problem of fuel overflow.
Description
Technical Field
The invention relates to the technical field of rotary drilling rigs, in particular to a fuel injection system and method of a rotary drilling rig.
Background
The rotary drilling rig has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, can perform dry-digging operation by using a short spiral drill bit, and can also perform wet-digging operation by using a rotary drill bit under the condition of slurry retaining walls. The general large rotary drilling rig has large oil consumption and large volume of a corresponding fuel tank.
When the conventional rotary drilling rig refuels, an operator needs to visually observe the oil level state of a fuel tank through an oil level gauge of a cab, and the power supply of a refueling pump is cut off when fuel is filled. However, the oil filling time is long, and the oil level meter needs to be observed manually, so that the phenomenon of oil filling overflow is easily caused by negligence of operators.
Disclosure of Invention
The invention aims to provide a rotary drilling rig fuel injection system and a rotary drilling rig fuel injection method, and aims to solve the technical problems that in the prior art, due to the fact that oiling time is long, an oil level meter needs to be observed manually, and operators are prone to negligence and easily cause oiling overflow.
The invention provides a fuel injection system of a rotary drilling rig, which comprises a trigger device, a conversion device, a pumping device and a pumping switch, wherein the trigger device is connected with the conversion device; the pumping switch is connected with the conversion device; the conversion device is connected with the pumping device and can enable the pumping device to be electrified to work so as to enable the pumping device to pump fuel into a fuel tank of the rotary drilling rig; the trigger device is used for being installed on a fuel tank of the rotary drilling rig, so that the pumping device stops pumping fuel into the fuel tank of the rotary drilling rig after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position.
In any one of the above technical solutions, further, the rotary drilling rig fuel injection system further includes a controller, one end of the pumping switch is connected with an input end of the controller, the other end of the pumping switch is connected with one end of the triggering device, and the other end of the triggering device is connected with an input end of the controller; the switching device is connected with the output end of the controller, and the controller enables the switching device to act after the pumping switch is closed, so that the pumping device is electrified to work.
In any of the above technical solutions, further, the switching device is a relay, and a connection point between the other end of the pumping switch and one end of the triggering device is connected to a power supply end of the switching device; the control end of the relay is connected with the output end of the controller; and the movable contact of the relay is connected with the pumping device.
In any of the above technical solutions, further, the converting device and the pumping device are also grounded, respectively.
In any one of the above technical solutions, further, the rotary drilling rig fuel injection system further includes a diode, and the diode is connected in parallel with the pumping device.
In any one of the above technical solutions, further, the triggering device is a fuel high limit sensor, and the fuel high limit sensor is installed at the top of a fuel tank of the rotary drilling rig.
In any of the above technical solutions, further, the pumping device is a gasoline pump.
In any of the above technical solutions, further, the pumping switch is a self-resetting switch.
In any one of the above technical solutions, further, the rotary drilling rig fuel injection system further includes a safety device, a connection point between the other end of the pumping switch and one end of the trigger device is further connected to one end of the safety device, and the other end of the safety device is used for being connected to a power supply.
The invention also provides a fuel injection method of the rotary drilling rig, which adopts the fuel injection system of the rotary drilling rig, and comprises the following steps:
closing the pumping switch to enable the switching device to energize the pumping device;
the pumping device pumps fuel into a fuel tank of the rotary drilling rig;
and after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position, the trigger device enables the pumping device to stop pumping the fuel into the fuel tank of the rotary drilling rig.
Compared with the prior art, the invention has the following beneficial effects:
according to the fuel injection system and method for the rotary drilling rig, when fuel needs to be added into the fuel tank of the rotary drilling rig, the switching device enables the pumping device to work after the pumping switch is turned on, the fuel is pumped into the fuel tank of the rotary drilling rig, and after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches the set position, the triggering device enables the pumping device to stop pumping the fuel into the fuel tank of the rotary drilling rig, so that the technical problem of fuel overflow can be avoided.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a fuel injection system of a rotary drilling rig according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a rotary drilling rig fuel injection system according to a second embodiment of the present invention.
Icon:
101-a controller;
102-a relay;
103-diode;
104-fuel high limit sensor;
105-petrol pumps;
106-pump switch;
201-safety device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, the embodiment of the invention provides a rotary drilling rig fuel injection system, which includes a trigger device, a conversion device, a pumping device and a pumping switch 106; the pumping switch 106 is electrically connected to the switching device; the conversion device is electrically connected with the pumping device and can enable the pumping device to be electrified to work so as to enable the pumping device to pump fuel into a fuel tank of the rotary drilling rig; the trigger device is used for being installed on a fuel tank of the rotary drilling rig, so that the pumping device stops pumping fuel into the fuel tank of the rotary drilling rig after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position.
Specifically, after the trigger device senses that the liquid level of the fuel reaches the set position, the pumping device stops pumping the fuel into the fuel tank of the rotary drilling rig.
According to the fuel injection system of the rotary drilling rig provided by the embodiment, when fuel needs to be added into the fuel tank of the rotary drilling rig, the switching device enables the pumping device to work after the pumping switch 106 is turned on, the fuel is pumped into the fuel tank of the rotary drilling rig, and after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches the set position, the triggering device enables the pumping device to stop pumping the fuel into the fuel tank of the rotary drilling rig, so that the technical problem of fuel overflow can be avoided, and the situation that the fuel is not filled due to visual inspection errors can be avoided.
In an optional scheme of this embodiment, the rotary drilling rig fuel injection system further includes a controller 101, one end of the pumping switch 106 is electrically connected with an input end of the controller, the other end of the pumping switch 106 is electrically connected with one end of the triggering device, and the other end of the triggering device is electrically connected with an input end of the controller; the switching device is electrically connected with the output end of the controller, and the controller enables the switching device to act after the pumping switch 106 is closed, so that the pumping device is electrified to work. The control can be conveniently realized through the controller.
In particular, the controller may be a programmable controller.
In an alternative scheme of this embodiment, the switching device is a relay 102, and a connection point of the other end of the pumping switch 106 and one end of the triggering device is electrically connected with a power supply end of the switching device; the control end of the relay 102 is electrically connected with the output end of the controller; the movable contact of the relay 102 is electrically connected to the pumping device. The switching device is set as the relay 102, so that the control of the pumping device can be facilitated, and the use safety can be guaranteed.
In an alternative of this embodiment, the switching means and the pumping means are also connected to ground, respectively. Specifically, the ground terminal of the switching device, i.e., the relay 102, is grounded, one lead of the pumping device is connected to the movable contact of the relay 102, and the other lead of the pumping device is grounded.
In an optional scheme of the embodiment, the fuel injection system of the rotary drilling rig further comprises a diode 103, and the diode is electrically connected with the pumping device in parallel. The diode is used as a freewheeling diode, so that the whole circuit and the pumping device can be protected.
Specifically, the connection point of the cathode of the diode and one lead of the pumping device is connected with the movable contact of the relay 102; the anode of the diode is connected to the other lead of the pumping device.
In an optional scheme of the embodiment, the triggering device is a fuel high limit sensor 104, and the fuel high limit sensor 104 is installed at the top of a fuel tank of the rotary drilling rig. Deactivation of the pumping device is conveniently accomplished by the fuel high limit sensor 104. Because the controller adopts a programmable controller, when the fuel level in the fuel tank triggers the fuel high limit sensor 104, the fuel high limit sensor 104 feeds back a signal to the programmable controller, and after the programmable controller receives the feedback signal sent by the fuel high limit sensor 104, the programmable controller cuts off the relay 102, so that the pumping device stops working. The fuel upper limit sensor 104 is mounted on the top of the fuel tank, and the set position is a position where the fuel in the fuel tank is filled, and whether the fuel in the fuel tank is in a full state is detected by the fuel upper limit sensor 104.
In an alternative of this embodiment, the pumping device is a gasoline pump 105, and the gasoline pump 105 is adopted to facilitate refueling.
In an alternative scheme of this embodiment, the pumping switch 106 is a self-resetting switch, so that an operator does not need to manually reset the pumping switch 106, and the operation is convenient.
In an alternative to this embodiment, the connection point of the other end of the pump switch 106 to one end of the trigger device is used for connection to a power source. The power terminal of the relay 102 is used to connect to a power source. And the power supply is used for supplying power to the whole rotary drilling rig fuel injection system.
Example two
The second embodiment provides a fuel injection system of a rotary drilling rig, the second embodiment is a further improvement on the first embodiment, the technical scheme described in the first embodiment also belongs to the second embodiment, and the technical scheme described in the first embodiment is not described repeatedly.
Referring to fig. 2, in this embodiment, the fuel injection system of the rotary drilling rig further includes a safety device 201, a connection point of the other end of the pumping switch 106 and one end of the triggering device is connected with one end of the safety device 201, and the other end of the safety device 201 is used for being connected with a power supply. The maximum current allowed by the fuse of the fuse 201 may be 30A. The voltage of the switched-in power supply may be 24V. The power supply terminal of the relay 102 is connected to one end of the safety device 201. The safety of the injection system is ensured by a safety device 201.
EXAMPLE III
The third embodiment provides a fuel injection method for a rotary drilling rig, the method adopts the fuel injection system for the rotary drilling rig provided by the first embodiment or the second embodiment, and the method comprises the following steps:
closing the pumping switch 106 to enable the switching means to energise the pumping means;
the pumping device pumps fuel into a fuel tank of the rotary drilling rig;
after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position, the trigger device enables the pumping device to stop pumping the fuel into the fuel tank of the rotary drilling rig.
Specifically, when fuel needs to be added to the fuel tank, an operator turns on the self-reset switch to input a start signal of the fuel pump 105 to the programmable controller, the programmable controller outputs a signal to enable a coil of the relay 102 to be attracted by an electric contact, and the fuel pump 105 starts to work. The fuel filling pump 105 continuously fills the fuel tank, the fuel in the fuel tank is full, the fuel high limit sensor 104 is triggered, the fuel high limit sensor 104 feeds back a signal to the programmable controller, and the programmable controller receives a wire number and then cuts off the relay 102.
In summary, according to the fuel injection system and the method for the rotary drilling rig provided by the embodiment of the invention, the operation of the refueling pump does not need to be manually controlled in the refueling process of the fuel tank, the refueling pump is stopped after the fuel level of the fuel tank is detected to the limit position (namely the set position) by the fuel high limit sensor, and an operator only needs to turn on the self-resetting switch without manually monitoring the fuel level state. The manual time effect is saved, and the oil tank is ensured to be full and not overflow. After the fuel is full, the fuel filling pump automatically stops.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Claims (10)
1. A fuel injection system of a rotary drilling rig is characterized by comprising a trigger device, a conversion device, a pumping device and a pumping switch; the pumping switch is connected with the conversion device; the conversion device is connected with the pumping device and can enable the pumping device to be electrified to work so as to enable the pumping device to pump fuel into a fuel tank of the rotary drilling rig; the trigger device is used for being installed on a fuel tank of the rotary drilling rig, so that the pumping device stops pumping fuel into the fuel tank of the rotary drilling rig after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position.
2. The rotary drilling rig fuel injection system according to claim 1, further comprising a controller, wherein one end of the pumping switch is connected with an input end of the controller, the other end of the pumping switch is connected with one end of the triggering device, and the other end of the triggering device is connected with an input end of the controller; the switching device is connected with the output end of the controller, and the controller enables the switching device to act after the pumping switch is closed, so that the pumping device is electrified to work.
3. The rotary drilling rig fuel injection system according to claim 2, wherein the conversion device is a relay, and a connection point of the other end of the pumping switch and one end of the trigger device is connected with a power supply end of the conversion device; the control end of the relay is connected with the output end of the controller; and the movable contact of the relay is connected with the pumping device.
4. The rotary drilling rig fuel injection system of claim 2, wherein the conversion device and the pumping device are further grounded respectively.
5. The rotary drilling rig fuel injection system according to any one of claims 1-4, further comprising a diode connected in parallel with the pumping device.
6. The rotary drilling rig fuel injection system according to any one of claims 1-4, wherein the trigger device is a fuel high limit sensor, and the fuel high limit sensor is arranged on the top of a fuel tank of the rotary drilling rig.
7. The rotary drilling rig fuel injection system according to any one of claims 1-4, wherein the pumping device is a gasoline pump.
8. The rotary drilling rig fuel injection system according to any one of claims 1-4, wherein the pumping switch is a self-resetting switch.
9. The rotary drilling rig fuel injection system according to any one of claims 2-4, further comprising a safety device, wherein a connection point of the other end of the pumping switch and one end of the triggering device is further connected with one end of the safety device, and the other end of the safety device is used for being connected with a power supply.
10. A fuel injection method for a rotary drilling rig, which adopts the fuel injection system for the rotary drilling rig according to any one of claims 1-9, characterized by comprising the following steps:
closing the pumping switch to enable the switching device to energize the pumping device;
the pumping device pumps fuel into a fuel tank of the rotary drilling rig;
and after the liquid level of the fuel in the fuel tank of the rotary drilling rig reaches a set position, the trigger device enables the pumping device to stop pumping the fuel into the fuel tank of the rotary drilling rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305798.XA CN110878748A (en) | 2019-12-18 | 2019-12-18 | Fuel injection system and method for rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305798.XA CN110878748A (en) | 2019-12-18 | 2019-12-18 | Fuel injection system and method for rotary drilling rig |
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| CN110878748A true CN110878748A (en) | 2020-03-13 |
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| CN201911305798.XA Pending CN110878748A (en) | 2019-12-18 | 2019-12-18 | Fuel injection system and method for rotary drilling rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498788A (en) * | 2020-04-22 | 2020-08-07 | 三一重机有限公司 | Fuel oil filling control system and control method |
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| CN201358486Y (en) * | 2009-02-24 | 2009-12-09 | 合肥振宇工程机械股份有限公司 | Automatic oiling device of excavator |
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