CN212508069U - Contact telescopic luffing mechanism, hydraulic control system and rotary drilling rig - Google Patents
Contact telescopic luffing mechanism, hydraulic control system and rotary drilling rig Download PDFInfo
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- CN212508069U CN212508069U CN202021936025.XU CN202021936025U CN212508069U CN 212508069 U CN212508069 U CN 212508069U CN 202021936025 U CN202021936025 U CN 202021936025U CN 212508069 U CN212508069 U CN 212508069U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000005553 drilling Methods 0.000 title claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 9
- 239000004744 fabric Substances 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 38
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model relates to a contact retractable becomes width of cloth mechanism, hydraulic control system and dig the rig soon, including the mast, the mast hydro-cylinder, two piston rod two-way pneumatic cylinder, the triangular body, the movable arm, the bracing piece, become width of cloth hydro-cylinder and rotary platform, the bracing piece, the lower extreme that movable arm and become width of cloth hydro-cylinder are connected with rotary platform respectively, the bracing piece, with the upper end of movable arm be connected with two wherein angles of the triangular body respectively, the upper end and the movable arm that become the width of cloth hydro-cylinder are connected, two piston rod two-way pneumatic cylinder are fixed on the triangular body, the upper end and the mast of mast hydro-cylinder are connected, the lower extreme of mast hydro-cylinder is fixed on two piston rod. The contact telescopic luffing mechanism, the hydraulic control system and the rotary drilling rig are simple in structure, a mast does not need to be removed during transportation, the stability of the luffing mechanism and the torque which can be borne by the luffing mechanism are improved, and the structure has high construction safety, construction efficiency, comfort and operation stability.
Description
The technical field is as follows:
the utility model relates to a dig rig technical field soon, especially relate to a contact retractable luffing mechanism and have this contact retractable luffing mechanism's hydraulic control system, dig rig soon.
Background art:
the rotary drilling rig belongs to high-end hole forming equipment of pile foundation engineering, and has high technical content and high electro-mechanical-hydraulic integration level. The luffing mechanism is one of important bearing components of the rotary drilling rig, and is a core component for changing the position state of a drill rod and the position change of a drill hole. The diversity of the construction working conditions of the rotary drilling rig directly determines the complexity of the load bearing of the luffing mechanism, so that the luffing mechanism plays an important role in the construction safety, construction efficiency, comfort and operation stability of the whole machine.
The existing luffing mechanism mainly has two structural forms, namely a luffing mechanism combining a parallelogram and a triangle, and the mast oil cylinder has poor stability and cannot bear overlarge torque due to small installation distance. The other type is a large triangular luffing mechanism, although the installation distance of the mast oil cylinder is increased, the design difficulty of the platform is increased, the height during transportation is increased, the mast needs to be disassembled during transportation, hoisting equipment is needed during installation, and labor and time are wasted.
The utility model has the following contents:
the utility model aims at providing a contact retractable luffing mechanism and have this contact retractable luffing mechanism's hydraulic control system, dig the rig soon, its simple structure need not demolish the mast during the transportation, increases luffing mechanism's stability and the moment of torsion that can bear, has higher construction security, efficiency of construction, travelling comfort and manipulation stability.
In order to achieve the above object, the utility model provides a contact retractable becomes width of cloth mechanism, including the mast, the mast hydro-cylinder, two piston rod two-way pneumatic cylinder, the triangle body, the swing arm, the bracing piece, become width of cloth hydro-cylinder and rotary platform, the bracing piece, the lower extreme of swing arm and become width of cloth hydro-cylinder rotates with rotary platform respectively and is connected, the bracing piece, the upper end of swing arm rotates with the wherein two angles of triangle body respectively and is connected, the upper end and the swing arm of becoming width of cloth hydro-cylinder rotate and are connected, two piston rod two-way pneumatic cylinder are fixed on the triangle body, the upper end and the mast of mast hydro-cylinder rotate and are connected, the lower extreme of mast hydro-cylinder is fixed on two piston.
In order to ensure the stability, the mast oil cylinder comprises a left mast oil cylinder and a right mast oil cylinder which are symmetrically arranged.
In a preferred embodiment of the present invention, the triangle includes a left box and a right box symmetrically disposed, and the left box and the right box are fixedly connected by a connecting member.
Specifically, the left box or the right box comprises a left side plate and a right side plate which are symmetrically arranged, the left side plate and the right side plate are fixedly connected through a C-shaped connecting plate and a reinforcing plate, the left side plate, the reinforcing plate and the right side plate are provided with C-shaped holes, the center lines of the C-shaped holes are parallel to the mast oil cylinder in the mast standing state, and the reinforcing plate and the right side plate are provided with threaded holes for fixing the double-piston-rod bidirectional hydraulic cylinder.
In order to facilitate the simultaneous driving of the two mast cylinders, the double-piston-rod bidirectional hydraulic cylinder preferably comprises a cylinder barrel, two piston rods, two guide sleeves, a piston and a cylinder bottom, wherein the cylinder bottom is arranged in the middle of the cylinder barrel and separates the cylinder barrel into two chambers, the two piston rods are respectively arranged in the two chambers, the piston is fixed at the inner end of the piston rod, a boss and a thread are arranged at the outer end of the piston rod and are respectively used for limiting and fixing one end of the mast cylinder, the two guide sleeves are fixed at the two ends of the cylinder barrel and are respectively sleeved outside the two piston rods, the two ends of the cylinder barrel are respectively provided with a first oil port pipe joint, the cylinder bottom is provided with a second oil port pipe joint, a round hole is formed in the center.
Preferably, the double-piston-rod bidirectional hydraulic cylinder is fixedly connected with the triangular body through a bolt.
The utility model also provides a hydraulic control system that is used for above-mentioned contact retractable luffing mechanism, including main pump, subpump, auxiliary valve and handrail valve, the main pump passes through the auxiliary valve and is connected with double piston rod bidirectional type pneumatic cylinder, mast hydro-cylinder and luffing cylinder, the auxiliary pump is connected with handrail valve, auxiliary valve.
The utility model also provides a dig the rig soon, it has above-mentioned contact retractable luffing mechanism to dig the rig soon.
The utility model discloses following positive effect has: the contact telescopic luffing mechanism, the hydraulic control system and the rotary drilling rig are simple in structure, a mast does not need to be removed during transportation, the stability of the luffing mechanism and the torque which can be borne by the luffing mechanism are improved, and the structure has high construction safety, construction efficiency, comfort and operation stability.
Description of the drawings:
fig. 1 is a schematic perspective view of a contact telescopic luffing mechanism of the present invention;
FIG. 2 is a schematic perspective view of a triangular body according to the present invention;
fig. 3 is a schematic perspective view of the left or right case of the present invention;
fig. 4 is a sectional view of the double-piston rod bidirectional hydraulic cylinder of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the contact telescopic luffing mechanism of the present invention when the mast is inverted;
fig. 6 is a schematic structural diagram of the hydraulic control system of the present invention.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
As shown in fig. 1 and fig. 6, the contact telescopic luffing mechanism includes a mast 1, a mast cylinder 2 (wherein the mast cylinder 2 includes a left mast cylinder and a right mast cylinder), a double-piston rod bidirectional hydraulic cylinder 3, a triangle 4, a movable arm 5, a support rod 6, a luffing cylinder 7, and a revolving platform 8. The lower ends of the support rod 6, the movable arm 5 and the luffing cylinder 7 are connected with the rotary platform 8 through three pin shafts; the upper ends of the support rod 6 and the movable arm 5 are respectively connected with two corners of the triangular body 4 through pin shafts, and the upper end of the amplitude variation oil cylinder 7 is connected with the movable arm 5 through a pin shaft. The double-piston-rod bidirectional hydraulic cylinder 3 is fixed on the triangular body 4 through bolts; the upper end of the mast oil cylinder 2 is connected with the mast 1 through a pin shaft, and the lower end of the mast oil cylinder is fixed on the double-piston-rod bidirectional hydraulic cylinder 3 through a round nut. The hinged point of the rotary table of the mast 1 is connected with a third angle of the triangular body 4 through a pin shaft; the whole structure forms a contact telescopic amplitude-changing mechanism.
As shown in figure 2, the triangle body is formed by welding a left box 4-1, a right box 4-2, a connecting piece 4-3 and the like, wherein the left box 4-1 and the right box 4-2 are of a symmetrical structure. As shown in figure 3, the left box or the right box is formed by welding a left side plate 4-4, a C-shaped connecting plate 4-5, a reinforcing plate 4-6, a right side plate 4-7 and the like. Wherein the left side plate 4-4, the reinforcing plate 4-6 and the right side plate 4-7 are provided with C-shaped holes, and the central line of the C-shaped holes is parallel to the mast oil cylinder in the mast standing state; the reinforcing plates 4-6 and the right side plate 4-7 are provided with threaded holes for fixing the double-piston-rod bidirectional hydraulic cylinder 3.
As shown in figure 4, the double-piston-rod bidirectional hydraulic cylinder is composed of a piston rod 3-1, a guide sleeve 3-2, a cylinder barrel 3-3, a piston 3-4 and a cylinder bottom 3-5, wherein a boss and a thread are arranged on the piston rod 3-1 and are respectively used for limiting and fixing one end of a mast oil cylinder. Each end of the cylinder barrel 3-3 is respectively provided with two oil port pipe joints A1 and A2, the cylinder bottom 3-5 is provided with an oil port pipe joint B, the center of the cylinder bottom is provided with a round hole, and hydraulic oil at the oil port pipe joint B respectively pushes the piston rod 3-1 through the round hole.
The hydraulic control system shown in fig. 6 includes a balance valve 9, an auxiliary valve 10, a main pump 11, an auxiliary pump 12, an armrest valve 13, a two-position five-way electromagnetic directional valve 14, and a two-position four-way electromagnetic directional valve 15. The main pump 11 is connected with a double-piston rod bidirectional hydraulic cylinder, a mast oil cylinder and a luffing oil cylinder through an auxiliary valve 10, the auxiliary pump 12 is connected with an armrest valve 13, the auxiliary valve 10 and a mast, a two-position four-way electromagnetic directional valve 15 is installed on the mast oil cylinder, and a balance valve 9 is installed on the double-piston rod bidirectional hydraulic cylinder.
The working principle of the utility model is as follows:
erecting a mast:
referring to fig. 1 to 5, hydraulic oil output from the main pump 11 is supplied to the main oil passage of the auxiliary valve 10, and the hydraulic oil in the main oil passage of the auxiliary valve 10 is supplied to the double-piston-rod bidirectional hydraulic cylinder 3, the mast cylinder 2, and the luffing cylinder 7, respectively, as required. The hydraulic oil output by the auxiliary pump 12 is respectively supplied to the pilot oil paths of the valve plates 10-2 and 10-3 of the control mast on the armrest valve 13 and the auxiliary valve 10 as required to control the action of the oil cylinder. And operating the armrest valve 13, and controlling the valve plate 10-4 to extend the amplitude variation oil cylinder 7, so as to drive the movable arm 5 to rotate to a working state. And opening a two-position four-way electromagnetic directional valve 15 to enable the mast oil cylinder to be in a floating state, then opening a two-position five-way electromagnetic directional valve 14, operating an armrest valve 13, controlling a valve plate 10-1 to enable the double-piston-rod bidirectional hydraulic cylinder 3 to extend, correspondingly changing a contact point at the lower end of the mast oil cylinder 2, and further increasing the installation distance of the amplitude-variable oil cylinder 7. The mast oil cylinder control handle is operated to control the valve plates 10-2 and the electromagnetic valves in the valve plates 10-3, so that the mast oil cylinder 2 extends, the mast 1 is driven to rotate, the mast 1 is in a vertical state, and the operation is finished as shown in figure 1.
Mast inverting operation:
referring to fig. 1 to 5, hydraulic oil output from the main pump 11 is supplied to the main oil passage of the auxiliary valve 10, and the hydraulic oil in the main oil passage of the auxiliary valve 10 is supplied to the double-piston-rod bidirectional hydraulic cylinder 3, the mast cylinder 2, and the luffing cylinder 7, respectively, as required. The hydraulic oil output by the auxiliary pump 12 is respectively supplied to the pilot oil paths of the valve plates 10-2 and 10-3 of the control mast on the armrest valve 13 and the auxiliary valve 10 as required to control the action of the oil cylinder. The control handle of the mast oil cylinder is operated to control the valve plates 10-2 and the electromagnetic valves in the valve plates 10-3, so that the mast oil cylinder 2 is contracted, the mast 1 is driven to rotate, and the mast 1 is in a horizontal state. And opening a two-position four-way electromagnetic directional valve 15 to enable the mast oil cylinder to be in a floating state, then opening a two-position five-way electromagnetic directional valve 14, operating an armrest valve 13, controlling a valve plate 10-1 to enable the double-piston-rod bidirectional hydraulic cylinder 3 to contract, correspondingly changing a contact point at the lower end of the mast oil cylinder 2, and further shortening the installation distance of the amplitude-variable oil cylinder 7. And (3) operating the armrest valve 13 to control the valve plate 10-4, shortening the luffing cylinder 7, driving the movable arm 5 to rotate, and lowering the mast 1 to the lowest state, as shown in fig. 6, thus finishing the operation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. A contact telescopic luffing mechanism is characterized in that: the hydraulic control device comprises a mast, a mast oil cylinder, a double-piston-rod bidirectional hydraulic cylinder, a triangular body, a movable arm, a supporting rod, a variable amplitude oil cylinder and a rotary platform, wherein the lower ends of the supporting rod, the movable arm and the variable amplitude oil cylinder are respectively rotatably connected with the rotary platform, the upper ends of the supporting rod and the movable arm are respectively rotatably connected with two corners of the triangular body, the upper end of the variable amplitude oil cylinder is rotatably connected with the movable arm, the double-piston-rod bidirectional hydraulic cylinder is fixed on the triangular body, the upper end of the mast oil cylinder is rotatably connected with the mast, the lower end of the mast oil cylinder is fixed on the double-piston-rod bidirectional.
2. The joint telescopic horn as defined in claim 1, wherein: the mast oil cylinder comprises a left mast oil cylinder and a right mast oil cylinder which are symmetrically arranged.
3. The joint telescopic horn as defined in claim 1, wherein: the triangle body is including the left box and the right box that the symmetry set up, passes through connecting piece fixed connection between left box and the right box.
4. A joint telescopic horn according to claim 3, wherein: the left box or the right box comprises a left side plate and a right side plate which are symmetrically arranged, the left side plate and the right side plate are fixedly connected through a C-shaped connecting plate and a reinforcing plate, the left side plate, the reinforcing plate and the right side plate are provided with C-shaped holes, the center lines of the C-shaped holes are parallel to the mast oil cylinder in a mast standing state, and the reinforcing plate and the right side plate are provided with threaded holes for fixing the double-piston-rod bidirectional hydraulic cylinder.
5. The joint telescopic horn as defined in claim 1, wherein: the double-piston-rod bidirectional hydraulic cylinder comprises a cylinder barrel, two piston rods, two guide sleeves, a piston and a cylinder bottom, wherein the cylinder bottom is arranged in the middle of the cylinder barrel and separates the cylinder barrel to form two chambers, the two piston rods are respectively arranged in the two chambers, the piston is fixed at the inner end of the piston rod, the outer end of the piston rod is provided with a boss and threads which are respectively used for limiting and fixing one end of a mast oil cylinder, the two guide sleeves are fixed at the two ends of the cylinder barrel and respectively sleeved outside the two piston rods, the two ends of the cylinder barrel are respectively provided with a first oil port pipe connector, the cylinder bottom is provided with a second oil port pipe connector, the center of the cylinder bottom is provided with a round hole.
6. The joint telescopic horn as defined in claim 1, wherein: the double-piston-rod bidirectional hydraulic cylinder is fixedly connected with the triangular body through a bolt.
7. A hydraulic control system for a joint telescopic horn as defined in any one of claims 1 to 6, wherein: the hydraulic control system comprises a main pump, an auxiliary valve and an armrest valve, wherein the main pump is connected with a double-piston-rod bidirectional hydraulic cylinder, a mast oil cylinder and a variable amplitude oil cylinder through the auxiliary valve, and the auxiliary pump is connected with the armrest valve and the auxiliary valve.
8. A rotary drilling rig is characterized in that: the rotary drilling rig is provided with a joint telescopic luffing mechanism according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936025.XU CN212508069U (en) | 2020-09-07 | 2020-09-07 | Contact telescopic luffing mechanism, hydraulic control system and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936025.XU CN212508069U (en) | 2020-09-07 | 2020-09-07 | Contact telescopic luffing mechanism, hydraulic control system and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212508069U true CN212508069U (en) | 2021-02-09 |
Family
ID=74385436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021936025.XU Expired - Fee Related CN212508069U (en) | 2020-09-07 | 2020-09-07 | Contact telescopic luffing mechanism, hydraulic control system and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212508069U (en) |
-
2020
- 2020-09-07 CN CN202021936025.XU patent/CN212508069U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |