CN219034639U - Rotary drilling rig - Google Patents
Rotary drilling rig Download PDFInfo
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- CN219034639U CN219034639U CN202320251703.6U CN202320251703U CN219034639U CN 219034639 U CN219034639 U CN 219034639U CN 202320251703 U CN202320251703 U CN 202320251703U CN 219034639 U CN219034639 U CN 219034639U
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Abstract
The utility model discloses a rotary drilling rig, which aims to be provided with a second hydraulic cylinder to assist in supporting a mast, so that the stability and the safety of the mast are improved, and the technical scheme is as follows: the rotary drilling rig comprises a main machine, wherein a fixing frame is arranged on the main machine, a mast is movably connected to the fixing frame, and a first hydraulic cylinder and a second hydraulic cylinder are arranged on the fixing frame; one end of the first hydraulic cylinder is hinged with the fixed frame, and the other end of the first hydraulic cylinder is hinged with the mast; one end of the second hydraulic cylinder is hinged with the fixed frame, and the other end of the second hydraulic cylinder is hinged with the mast; when the mast is in a mast standing state, the first hydraulic cylinder is inclined upwards along the direction away from the fixed frame by taking the fixed frame as an origin, and the second hydraulic cylinder is inclined downwards along the direction away from the fixed frame by taking the fixed frame as the origin, and the mast lifting device belongs to the technical field of engineering equipment.
Description
Technical Field
The utility model belongs to the technical field of engineering equipment, and particularly relates to a rotary drilling rig.
Background
The rotary drilling rig is also called rotary drilling machine and pile driver, and is a comprehensive drilling rig. CN106837168A discloses a rotary drilling rig comprising a crawler provided with hoisting equipment and a drill rod member connected with the hoisting equipment, the crawler comprising a vehicle body and a crawler chassis provided with frog legs; the hoisting equipment comprises a fixed frame connected with the tracked vehicle, a mast movably connected with the fixed frame, and a hoisting assembly arranged at the upper end of the mast; the drill rod component comprises a drill rod, a connecting piece arranged at one end of the drill rod and connected with the winch component through a steel wire rope, and a combined drill bit arranged at the other end of the drill rod;
in the rotary drilling rig, the mast is connected with the car body through the fixing frame, the hydraulic cylinder is arranged on the fixing frame to control the mast to rotate, so that mast standing or mast falling is realized, and the supporting points of the mast are arranged on the hydraulic cylinder and the fixing frame;
when in actual use, the length of the mast is longer, the lower end is of a cantilever structure, and when in operation, the mast is fixed only by the hydraulic cylinder on the fixing frame, so that the stability and the safety are insufficient, the shaking is serious, and the deflection hole is easy to cause.
Disclosure of Invention
The utility model mainly aims to provide a rotary drilling rig, and aims to provide a second hydraulic cylinder for assisting in supporting a mast, so that stability and safety of the mast are improved.
According to a first aspect of the utility model, there is provided a rotary drilling rig, comprising a main machine, wherein a fixing frame is arranged on the main machine, a mast is movably connected on the fixing frame, and a first hydraulic cylinder and a second hydraulic cylinder are arranged on the fixing frame;
one end of the first hydraulic cylinder is hinged with the fixed frame, and the other end of the first hydraulic cylinder is hinged with the mast; one end of the second hydraulic cylinder is hinged with the fixed frame, and the other end of the second hydraulic cylinder is hinged with the mast;
when the mast is in a mast standing state, the first hydraulic cylinder is inclined upwards in the direction away from the fixed frame by taking the fixed frame as an origin, and the second hydraulic cylinder is inclined downwards in the direction away from the fixed frame by taking the fixed frame as the origin.
In the rotary drilling rig, a plane perpendicular to the rotation axis of the mast is a first plane, and when the mast is in a mast standing state, an included angle between projections of the first hydraulic cylinder and the second hydraulic cylinder on the first plane is larger than 90 degrees.
In the rotary drilling rig, two first hydraulic cylinders are arranged and symmetrically arranged along the fixing frame.
In the rotary drilling rig, the distance between the two first hydraulic cylinders at the end of the fixing frame is larger than the distance between the two first hydraulic cylinders at the end of the mast.
In the rotary drilling rig, two second hydraulic cylinders are arranged and are symmetrically arranged along the fixing frame.
In the rotary drilling rig, the distance between the two second hydraulic cylinders at the fixing frame end is larger than the distance between the two second hydraulic cylinders at the mast end.
In the rotary drilling rig, the distance between the two second hydraulic cylinders at the end of the fixed frame is larger than the distance between the two first hydraulic cylinders at the end of the fixed frame.
In the rotary drilling rig, the main machine is provided with the hydraulic oil station, the first hydraulic circuit and the second hydraulic circuit, the first hydraulic circuit is connected with the hydraulic oil station and the first hydraulic cylinder, and the second hydraulic circuit is connected with the hydraulic oil station and the second hydraulic cylinder;
an oil pump is arranged in the first hydraulic circuit, and no oil pump is arranged in the second hydraulic circuit.
One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:
according to the utility model, the first hydraulic cylinder is a driving part, the second hydraulic cylinder is a follow-up part, when the mast is in a mast standing state, the first hydraulic cylinder extends out, the second hydraulic cylinder retracts, the first hydraulic cylinder, the second hydraulic cylinder and the fixing frame cooperatively support the mast, the first hydraulic cylinder and the second hydraulic cylinder are mutually restricted to keep the mast motionless, the stability and the safety are effectively improved, the mast is not easy to shake when drilling, and the situation of eccentric holes is reduced.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view of a first embodiment of the present utility model in a mast position;
FIG. 2 is a schematic view of the structure of the first embodiment of the present utility model in the inverted mast state;
FIG. 3 is a top view of the first embodiment of the utility model in a mast position;
fig. 4 is a schematic diagram of a first hydraulic circuit and a second hydraulic circuit in which a first embodiment of the utility model is located.
Wherein reference numerals for the respective figures:
1. a host; 2. a fixing frame; 3. a mast; 4. a first hydraulic cylinder; 5. a second hydraulic cylinder; 6. a hydraulic oil station; 7. a first hydraulic circuit; 71. an oil pump; 72. a first oil inlet pipe; 73. first oil delivery pipe: 74. a first oil return pipe; 75. a first electromagnetic valve; 8. a second hydraulic circuit; 81. a second oil inlet pipe; 82. a second oil return pipe; 83. and a second electromagnetic valve.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.
Referring to fig. 1 to 4, in one embodiment of the present utility model, a rotary drilling rig includes a main machine 1, a fixing frame 2 is provided on the main machine 1, a mast 3 is movably connected to the fixing frame 2, and a first hydraulic cylinder 4 and a second hydraulic cylinder 5 are provided on the fixing frame 2;
one end of the first hydraulic cylinder 4 is hinged with the fixed frame 2, and the other end of the first hydraulic cylinder 4 is hinged with the mast 3; one end of the second hydraulic cylinder 5 is hinged with the fixed frame 2, and the other end of the second hydraulic cylinder 5 is hinged with the mast 3;
when the mast 3 is in a mast standing state, the first hydraulic cylinder 4 is inclined upwards in a direction away from the fixed frame 2 by taking the fixed frame 2 as a round dot, and the second hydraulic cylinder 5 is inclined downwards in a direction approaching to the fixed frame 2 by taking the fixed frame 2 as a round dot; the first hydraulic cylinder 4 stretches out, the second hydraulic cylinder 5 retracts, the first hydraulic cylinder 4, the second hydraulic cylinder 5 and the fixing frame 2 cooperatively support the mast 3, the first hydraulic cylinder 4 and the second hydraulic cylinder 5 are mutually restricted to keep the mast 3 motionless, and stability and safety are improved effectively;
similarly, when the mast 3 is in the inverted state, the first hydraulic cylinder 4 is retracted, the second hydraulic cylinder 5 is extended, and the first hydraulic cylinder 4 and the second hydraulic cylinder 5 cooperatively support the mast 3.
In the embodiment, a hydraulic oil station 6, a first hydraulic circuit 7 and a second hydraulic circuit 8 are arranged on the main machine 1, the first hydraulic circuit 7 is connected with the hydraulic oil station 6 and the first hydraulic cylinder 4, and the second hydraulic circuit 8 is connected with the hydraulic oil station 6 and the second hydraulic cylinder 5;
the first hydraulic circuit 7 is provided with an oil pump 71, and the second hydraulic circuit 8 is not provided with the oil pump 71;
the first hydraulic circuit 7 comprises a first oil inlet pipe 72, a first oil delivery pipe 73, a first oil return pipe 74 and a first electromagnetic valve 75, wherein the first oil inlet pipe 72 is connected with a rod extending cavity of the first hydraulic cylinder 4 and the first electromagnetic valve 75, the first oil delivery pipe 73 is connected with a rod contracting cavity of the first hydraulic cylinder 4 and the first electromagnetic valve 75, the first oil return pipe 74 is connected with the first electromagnetic valve 75 and the hydraulic oil station 6, and the oil pump 71 is also connected with the first electromagnetic valve 75 and the hydraulic oil station 6; when the first hydraulic cylinder 4 is to extend, the first electromagnetic valve 75 enables the first oil inlet pipe 72 to be communicated with the oil pump 71, the first oil delivery pipe 73 to be communicated with the first oil return pipe 74, the oil pump 71 operates to convey hydraulic oil into the extending rod chamber of the first hydraulic cylinder 4, the piston rod of the first hydraulic cylinder 4 is pushed out, and the hydraulic oil in the contracting rod chamber of the first hydraulic cylinder 4 flows back to the hydraulic oil station 6 through the first oil return pipe 74; when the first hydraulic cylinder 4 is to be retracted, the first electromagnetic valve 75 enables the first oil inlet pipe 72 to be communicated with the first oil return pipe 74, the first oil delivery pipe 73 to be communicated with the oil pump 71, the oil pump 71 operates to convey hydraulic oil into a rod retracting chamber of the first hydraulic cylinder 4 so as to retract a piston rod of the first hydraulic cylinder 4, and hydraulic oil in a rod extending chamber of the first hydraulic cylinder 4 flows back to the hydraulic oil station 6 through the first oil return pipe 74;
the second hydraulic circuit 8 comprises two second oil inlet pipes 81, two second oil return pipes 82 and a second electromagnetic valve 83, one second oil inlet pipe 81 is connected with the extension rod chamber of the second hydraulic cylinder 5 and the second electromagnetic valve 83, the other second oil inlet pipe 81 is connected with the retraction rod chamber of the second hydraulic cylinder 5 and the second electromagnetic valve 83, the second oil return pipes 82 are connected with the second electromagnetic valve 83 and the hydraulic oil station 6, the second oil inlet pipes 81 and the second oil return pipes 82 are in one-to-one correspondence, and the corresponding second oil inlet pipes 81 and the corresponding second oil return pipes 82 are communicated; when the first hydraulic cylinder 4 stretches out, the mast 3 rotates to drive the piston rod of the second hydraulic cylinder 5 to retract, hydraulic oil in the stretching rod chamber of the second hydraulic cylinder 5 is extruded back to the hydraulic oil station 6, and the rod retracting chamber of the second hydraulic cylinder 5 can suck the hydraulic oil; when the first hydraulic cylinder 4 is retracted, the mast 3 rotates to drive the piston rod of the second hydraulic cylinder 5 to extend, hydraulic oil in the rod retracting chamber of the second hydraulic cylinder 5 is extruded back to the hydraulic oil station 6, and the rod extending chamber of the second hydraulic cylinder 5 can suck the hydraulic oil;
the first electromagnetic valve 75 and the second electromagnetic valve 83 are closed electromagnetic valves and are provided with corresponding closed positions, and after the mast 3 is adjusted in place, the first electromagnetic valve 75 and the second electromagnetic valve 83 can be positioned in the closed positions, so that hydraulic oil in the oil cylinder is maintained, and the stability of the mast 3 is improved; the first solenoid valve 75 and the second solenoid valve 83 operate synchronously in operation to avoid damaging the hydraulic cylinder.
In the present embodiment, the first hydraulic cylinder 4 and the second hydraulic cylinder 5 support the mast 3 in a V-shaped arrangement. The plane perpendicular to the rotation axis of the mast 3 is a first plane, and when the mast 3 is in a mast standing state, the included angle of projection of the first hydraulic cylinder 4 and the second hydraulic cylinder 5 on the first plane is larger than 90 degrees; so that the span of the first hydraulic cylinder 4 and the second hydraulic cylinder 5 on the mast 3 is relatively large, the mast 3 can be supported more stably.
In the embodiment, two first hydraulic cylinders 4 are arranged, and the two first hydraulic cylinders 4 are symmetrically arranged along the fixing frame 2; two second hydraulic cylinders 5 are arranged symmetrically left and right along the fixing frame 2;
the distance between the two first hydraulic cylinders 4 at the end of the fixed frame 2 is larger than the distance between the two first hydraulic cylinders 4 at the end of the mast 3; the distance between the two second hydraulic cylinders 5 at the end of the fixed frame 2 is larger than the distance between the two second hydraulic cylinders 5 at the end of the mast 3; the distance between the two second hydraulic cylinders 5 at the end of the fixed frame 2 is larger than the distance between the two first hydraulic cylinders 4 at the end of the fixed frame 2;
the cylinder body ball head of the first hydraulic cylinder 4 is hinged on the fixed frame 2, and the piston rod of the first hydraulic cylinder 4 is also hinged on the mast 3 through the ball head; the cylinder body ball head of the second hydraulic cylinder 5 is hinged on the fixed frame 2, and the piston rod of the second hydraulic cylinder 5 is also hinged on the mast 3 through the ball head; with this construction, the mast 3 can be offset left and right to accommodate the drilling site.
In the embodiment, a main machine 1 is a crawler, a fixing frame 2 is also movably connected to the main machine 1, a connecting rod is arranged on the main machine 1, one end of the connecting rod is hinged with the main machine 1, the other end of the connecting rod is hinged with the fixing frame 2, a hydraulic cylinder for connecting the fixing frame 2 is also hinged on the main machine 1, and a piston rod of the hydraulic cylinder is hinged with the fixing frame 2; the mast 3 is provided with a corresponding drill rod mechanism and a lifting and lowering mechanism.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The rotary drilling rig comprises a main machine, wherein a fixing frame is arranged on the main machine, and a mast is movably connected to the fixing frame;
one end of the first hydraulic cylinder is hinged with the fixed frame, and the other end of the first hydraulic cylinder is hinged with the mast; one end of the second hydraulic cylinder is hinged with the fixed frame, and the other end of the second hydraulic cylinder is hinged with the mast;
when the mast is in a mast standing state, the first hydraulic cylinder is inclined upwards in the direction away from the fixed frame by taking the fixed frame as an origin, and the second hydraulic cylinder is inclined downwards in the direction away from the fixed frame by taking the fixed frame as the origin.
2. The rotary drilling rig of claim 1, wherein the plane perpendicular to the axis of rotation of the mast is a first plane, and wherein the included angle of the projections of the first and second hydraulic cylinders on the first plane is greater than 90 degrees when the mast is in the erect state.
3. The rotary drilling rig according to claim 1, wherein the number of the first hydraulic cylinders is two, and the two first hydraulic cylinders are symmetrically arranged along the fixing frame.
4. A rotary drilling rig according to claim 3, wherein the spacing of the two first hydraulic cylinders at the end of the mount is greater than the spacing of the two first hydraulic cylinders at the end of the mast.
5. The rotary drilling rig according to claim 4, wherein the number of the second hydraulic cylinders is two, and the two second hydraulic cylinders are symmetrically arranged along the fixing frame.
6. The rotary drilling rig of claim 5, wherein a spacing of the two second hydraulic cylinders at the mount end is greater than a spacing of the two second hydraulic cylinders at the mast end.
7. The rotary drilling rig of claim 6, wherein a spacing of the two second hydraulic cylinders at the mount end is greater than a spacing of the two first hydraulic cylinders at the mount end.
8. The rotary drilling rig according to claim 1, wherein the main machine is provided with a hydraulic oil station, a first hydraulic circuit and a second hydraulic circuit, the first hydraulic circuit is connected with the hydraulic oil station and the first hydraulic cylinder, and the second hydraulic circuit is connected with the hydraulic oil station and the second hydraulic cylinder;
an oil pump is arranged in the first hydraulic circuit, and no oil pump is arranged in the second hydraulic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320251703.6U CN219034639U (en) | 2023-02-16 | 2023-02-16 | Rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320251703.6U CN219034639U (en) | 2023-02-16 | 2023-02-16 | Rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219034639U true CN219034639U (en) | 2023-05-16 |
Family
ID=86285223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320251703.6U Active CN219034639U (en) | 2023-02-16 | 2023-02-16 | Rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219034639U (en) |
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2023
- 2023-02-16 CN CN202320251703.6U patent/CN219034639U/en active Active
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