CN210978025U - Boosting control device for push-pull motor of horizontal directional drilling machine - Google Patents
Boosting control device for push-pull motor of horizontal directional drilling machine Download PDFInfo
- Publication number
- CN210978025U CN210978025U CN201921656470.8U CN201921656470U CN210978025U CN 210978025 U CN210978025 U CN 210978025U CN 201921656470 U CN201921656470 U CN 201921656470U CN 210978025 U CN210978025 U CN 210978025U
- Authority
- CN
- China
- Prior art keywords
- motor
- valve
- port
- oil
- gear pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a directional rig push-and-pull motor reinforcement controlling means of level, which comprises an oil tank, first gear pump, the second gear pump, the overflow valve, the solenoid directional valve, the liquid accuse switching-over valve, first motor, second motor and check valve, the oil-out of first gear pump is connected with the draining port on first motor and the second motor casing respectively, the first work hydraulic fluid port of first motor and the second work hydraulic fluid port of second motor are connected with the first valve port of liquid accuse switching-over valve respectively, the third work hydraulic fluid port of first motor and the fourth work hydraulic fluid port of second motor are connected with the second valve port of liquid accuse switching-over valve respectively, the oil-out of second gear pump is connected with the pressure hydraulic fluid port of solenoid directional valve, the oil-out of solenoid directional valve is connected with the control end of liquid accuse switching-over valve. The utility model discloses a directional rig push-and-pull motor reinforcement controlling means of level adopts two automatically controlled direct drive, has avoided damaging because of the motor that manual operation improper arouses to loaded down with trivial details artifical switching has been saved.
Description
Technical Field
The utility model relates to a directional rig of level makes the field, especially relates to a directional rig push-and-pull motor reinforcement controlling means of level.
Background
With the rapid development of urban construction, the requirements of cities and rural areas on infrastructure construction are higher and higher. As an important component of urban infrastructure, for example, in the laying engineering of underground pipelines or pipelines in the fields of water, electricity, communication, natural gas, petroleum and the like, the underground pipe network usually adopts trenchless technology to lay, replace or repair the underground pipelines so as to protect the ecological environment and improve the pipe laying efficiency. A trenchless horizontal directional drilling machine, abbreviated as HDD, is a typical engineering machinery product applying trenchless technology, 49% of the existing public facility construction projects use the HDD, and 17.6% of the enterprises in the trenchless industry use the HDD as a service key point. The trenchless horizontal directional drilling machine plays an important role in urban construction, particularly municipal infrastructure construction.
The horizontal directional drilling machine is suitable for various complex strata such as sandy soil, clay, pebbles, rocks and the like, therefore, the push-pull mechanism of the horizontal directional drilling machine must provide enough push-pull force to ensure the smooth construction, and the push-pull mechanism of the horizontal directional drilling machine generally provides the push-pull force by a hydraulic motor.
The push-pull force booster devices of the existing horizontal directional drilling machines all adopt clutch ball adding valve switching, as shown in fig. 1 and fig. 2, fig. 1 is a structural schematic diagram of the existing horizontal directional drilling machine, and fig. 2 is a system schematic diagram of a control device of the existing horizontal directional drilling machine. When the motor 3 needs to take part in work, the ball valve 1 needs to be opened first, the clutch 2 is engaged after the push-pull speed is obviously reduced, and the handle bolt is fixed. When the motor 3 is turned off and does not need to work, the clutch 2 needs to be separated firstly, a handle bolt is fixed, and then the ball valve 1 is closed. The above operations are manual operations, and no matter the motor 3 is in work or is closed, the operation sequence is available, and if the operation sequence is improper, the motor is damaged by air suction, so that serious economic loss is caused.
Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model provides a directional rig push-and-pull motor reinforcement controlling means of level, concrete technical scheme is as follows:
the utility model discloses a directional rig push-and-pull motor reinforcement controlling means of level, including oil tank, first gear pump, second gear pump, overflow valve, solenoid directional valve, liquid accuse switching-over valve, first motor, second motor and check valve, the oil-out of first gear pump respectively with draining port on first motor and the second motor casing is connected, the first work hydraulic fluid port of first motor with the second work hydraulic fluid port of second motor respectively with the first valve port of liquid accuse switching-over valve is connected, the third work hydraulic fluid port of first motor with the fourth work hydraulic fluid port of second motor respectively with the second valve port of liquid accuse switching-over valve is connected, the oil-out of second gear pump with the pressure hydraulic fluid port of solenoid directional valve is connected, the solenoid directional valve oil-out with the control switching-over end of liquid accuse is connected.
Further, the hydraulic control directional valve also comprises a third valve port, a fourth valve port and a fifth valve port.
Furthermore, an oil suction port of the first gear pump, an oil suction port of the second gear pump, oil drain ports on the first motor and the second motor shell, an oil return port of the electromagnetic directional valve, the third valve port, the fourth valve port and the fifth valve port are respectively connected with the oil tank.
Further, the one-way valve is arranged between the oil drainage port on the first motor shell and the oil drainage port on the second motor shell and the oil tank.
Further, a damping joint is further arranged between an oil outlet of the first gear pump and oil drainage ports in the first motor and the second motor shell.
Furthermore, the electromagnetic directional valve is a two-position three-way electromagnetic directional valve.
Furthermore, an overflow valve is arranged between an oil outlet of the second gear pump and a pressure oil port of the electromagnetic directional valve.
The beneficial effects are that: the electric control two-position direct drive is adopted, so that the motor damage caused by improper manual operation is avoided, and the complicated manual switching is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for 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 only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art horizontal directional drilling machine;
FIG. 2 is a system schematic of a prior art horizontal directional drilling machine control;
fig. 3 is a system schematic diagram of the control device of the horizontal directional drilling machine of the invention.
The hydraulic control system comprises a ball valve 1, a clutch 2, a motor 3, an electromagnetic reversing valve 4, a hydraulic control reversing valve 5, a first motor 6, a damping joint 7, a second motor 8, a one-way valve 9, a first gear pump 10, a second gear pump 11 and an overflow valve 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 3, fig. 3 is a schematic diagram of a system of a control device of a horizontal directional drilling machine according to the present invention. As shown in the figure, the force-increasing control device for the push-pull motor of the horizontal directional drilling machine in the embodiment includes an oil tank, a first gear pump 10, a second gear pump 11, an overflow valve 12, an electromagnetic directional valve 4, a hydraulic control directional valve 5, a first motor 6, a second motor 8 and a check valve 9, wherein the electromagnetic directional valve 4 is a two-position three-way electromagnetic directional valve, an oil outlet of the first gear pump 10 is respectively connected with oil drain ports of housings of the first motor 6 and the second motor 8, a first working oil port of the first motor 6 and a second working oil port of the second motor 8 are respectively connected with a first valve port of the hydraulic control directional valve 5, a third working oil port of the first motor 6 and a fourth working oil port of the second motor 8 are respectively connected with a second valve port of the hydraulic control directional valve 5, an oil outlet of the second gear pump 11 is connected with a pressure oil port of the electromagnetic directional valve 4, and an oil outlet of the electromagnetic directional valve 4 is connected with a control end of the hydraulic control directional valve 5.
The hydraulic control directional control valve 5 further comprises a third valve port, a fourth valve port and a fifth valve port.
The oil suction port of the first gear pump 10, the oil suction port of the second gear pump 11, the oil discharge ports on the shells of the first motor 6 and the second motor 8, the oil return port of the electromagnetic directional valve 4, the third valve port, the fourth valve port and the fifth valve port are respectively connected with the oil tank.
And a one-way valve 9 is also arranged between the oil drainage ports on the shells of the first motor 6 and the second motor 8 and the oil tank.
And a damping joint 7 is also arranged between an oil outlet of the first gear pump 10 and oil drainage ports on the shells of the first motor 6 and the second motor 8.
An overflow valve 12 is arranged between an oil outlet of the second gear pump 11 and a pressure oil port of the electromagnetic directional valve (4).
When the device does not need to be boosted, the first motor 6 and the second motor 8 are in a non-working state, the electromagnetic directional valve 4 is in a power-off state, the hydraulic control directional valve 5 is in a middle position at the moment, the first valve port, the second valve port and the third valve port are communicated, the fourth valve port and the fifth valve port are in a blocking state, the main pressure oil A is connected with the fourth valve port of the hydraulic control reversing valve 5, the main pressure oil B is connected with the fifth valve port of the hydraulic control reversing valve 5, and at the moment, the main pressure oil A and the main pressure oil B are blocked by the hydraulic control reversing valve 5, and the first working port a1 of the first motor 6 and the second working port a2 of the second motor 8 are respectively communicated with the first valve port, the third working port B2 of the first motor 6 and the fourth working port B1 of the second motor 8 are respectively communicated with the second valve port, and are both communicated with the third valve port C to return oil.
At this time, the first gear pump 10 injects oil to the casings of the first motor 6 and the second motor 8 through the damping joint 7, redundant hydraulic oil returns to the oil tank through the check valve 9, the spring force of the check valve 9 is set to 1bar, the casing pressures of the first motor 6 and the second motor 8 can be ensured not to be lower than 1bar when the device does not need to be boosted, and simultaneously, the plungers of the first motor 6 and the second motor 8 can be pressed back to the cylinder body, so that the first motor 6 and the second motor 8 keep zero displacement in the state, and the follow-up working condition is met.
When the device needs to be energized, the electromagnetic directional valve 4 is powered on, the second gear pump 11 inputs pilot pressure oil to the control end of the hydraulic control directional valve 5 through the electromagnetic directional valve 4, the pilot pressure oil is calibrated by the overflow valve 12, the pressure of the overflow valve 12 is set to be 25bar, the hydraulic control directional valve 5 is reversed, the third valve port C of the hydraulic control directional valve 5 is blocked, the first working oil port a1 of the first motor 6 and the second working oil port a2 of the second motor 8 are respectively communicated with the first valve port, the third working oil port B2 of the first motor 6 and the fourth working oil port B1 of the second motor 8 are respectively communicated with the second valve port, main pressure oil a and main pressure oil B respectively enter the hydraulic control directional valve 5 through the third valve port and the fourth valve port of the hydraulic control directional valve 5, at this time, the first valve port and the third valve port of the hydraulic control directional valve 5 are communicated, the second valve port is the same as the fourth valve port, main pressure oil A and B enters the first motor 6 and the second motor 8 through the first valve port and the second valve port, and at the moment, the motors 6 and 8 enter a working state
The utility model discloses a directional rig push-and-pull motor reinforcement controlling means of level's beneficial effect is: the electric control two-position direct drive is adopted, so that the motor damage caused by improper manual operation is avoided, and the complicated manual switching is omitted.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A push-pull motor reinforcement control device of a horizontal directional drilling machine is characterized by comprising an oil tank, a first gear pump (10), a second gear pump (11), an overflow valve (12), an electromagnetic directional valve (4), a hydraulic directional valve (5), a first motor (6), a second motor (8) and a one-way valve (9), wherein an oil outlet of the first gear pump (10) is respectively connected with oil drainage ports on shells of the first motor (6) and the second motor (8), a first working oil port of the first motor (6) and a second working oil port of the second motor (8) are respectively connected with a first valve port of the hydraulic directional valve (5), a third working oil port of the first motor (6) and a fourth working oil port of the second motor (8) are respectively connected with a second valve port of the hydraulic directional valve (5), an oil outlet of the second gear pump (11) is connected with a pressure oil port of the electromagnetic directional valve (4), the oil outlet of the electromagnetic directional valve (4) is connected with the control end of the hydraulic control directional valve (5).
2. The push-pull motor force-increasing control device of a horizontal directional drilling machine according to claim 1, characterized in that the hydraulic control directional valve (5) further comprises a third port, a fourth port and a fifth port.
3. The push-pull motor force-increasing control device of a horizontal directional drilling machine as claimed in claim 1, characterized in that an oil suction port of the first gear pump (10), an oil suction port of the second gear pump (11), an oil discharge port on the casings of the first motor (6) and the second motor (8), an oil return port of the electromagnetic directional valve (4), the third valve port, the fourth valve port and the fifth valve port are respectively connected with the oil tank.
4. The push-pull motor force-increasing control device of a horizontal directional drilling machine according to claim 1, characterized in that the one-way valve (9) is arranged between the oil drain ports on the housings of the first motor (6) and the second motor (8) and the oil tank.
5. The push-pull motor force-increasing control device of a horizontal directional drilling machine according to claim 1, characterized in that a damping joint (7) is further arranged between an oil outlet of the first gear pump (10) and oil drain ports on the housings of the first motor (6) and the second motor (8).
6. The push-pull motor force-increasing control device of a horizontal directional drilling machine according to claim 1, characterized in that the electromagnetic directional valve (4) is a two-position three-way electromagnetic directional valve.
7. The push-pull motor force-increasing control device of the horizontal directional drilling machine as claimed in claim 1, characterized in that an overflow valve (12) is arranged between an oil outlet of the second gear pump (11) and a pressure oil port of the electromagnetic directional valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656470.8U CN210978025U (en) | 2019-09-30 | 2019-09-30 | Boosting control device for push-pull motor of horizontal directional drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656470.8U CN210978025U (en) | 2019-09-30 | 2019-09-30 | Boosting control device for push-pull motor of horizontal directional drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978025U true CN210978025U (en) | 2020-07-10 |
Family
ID=71415419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921656470.8U Active CN210978025U (en) | 2019-09-30 | 2019-09-30 | Boosting control device for push-pull motor of horizontal directional drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978025U (en) |
-
2019
- 2019-09-30 CN CN201921656470.8U patent/CN210978025U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101967980B (en) | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control | |
| CN102278124A (en) | Energy-saving hydraulic shield propulsion system | |
| CN106122188B (en) | Conventional overflow valve overflow loss recycle and reuse system based on hydraulic accumulator | |
| CN106762864B (en) | A kind of muddy water automatic closing system of push-bench accumulator independent control | |
| CN102555793A (en) | Driving system of engineering machinery and closed hydraulic circuit thereof | |
| CN108999826A (en) | Raise boring machine multifunction hydraulic integrates valve group | |
| CN102704525B (en) | Hydraulic loop of excavator | |
| CN106988374A (en) | A kind of excavator energy regenerating oil-supplementing system and its method | |
| CN102400968B (en) | Hydraulic valve, hydraulic system and concrete pumping equipment | |
| CN101408108A (en) | Shield cutter head hydraulic system driven bymixed motor serial connection and parallel connection | |
| CN104405006B (en) | Loading machine semi-variety hydraulic system | |
| CN206409447U (en) | Engineering machinery auxiliary equipment turns round hydraulic control system | |
| CN108953309B (en) | Energy recovery and recycling hydraulic system | |
| CN210978025U (en) | Boosting control device for push-pull motor of horizontal directional drilling machine | |
| CN204491707U (en) | Loader semi-variety hydraulic system | |
| CN218913313U (en) | Hydraulic system and water supply and drainage vehicle | |
| CN108799258A (en) | A kind of swing arm energy-recuperation system | |
| CN219220881U (en) | Hydraulic system and water supply and drainage vehicle | |
| CN108105186B (en) | Garbage truck hydraulic control system and garbage truck | |
| CN108915007A (en) | A kind of excavator swing arm dipper energy conserving system | |
| CN202644637U (en) | Hydraulic circuit for excavator | |
| CN207848099U (en) | A kind of push-pull mechanism reinforcement control system of horizontal directional drilling machine | |
| CN208935054U (en) | Raise boring machine multifunction hydraulic integrates valve group | |
| CN207847608U (en) | A kind of push-pull mechanism retrogressing stop control system of horizontal directional drilling machine | |
| CN201288568Y (en) | Shield cutter head hydraulic system employing motor series and parallel hybrid driving |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: 224100 south of Weisan Road, Dafeng Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu Gudeng Heavy Machinery Technology Co.,Ltd. Address before: 224100 north side of Jianshe West Road, Dafeng Industrial Park, Changzhou hi tech Zone, Dafeng District, Yancheng City, Jiangsu Province Patentee before: JIANGSU GOODENG ENGINEERING MACHINERY ASSEMBLING Co.,Ltd. |