CN221299071U - Special height-limiting rotary drilling rig under viaduct - Google Patents
Special height-limiting rotary drilling rig under viaduct Download PDFInfo
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- CN221299071U CN221299071U CN202323518921.0U CN202323518921U CN221299071U CN 221299071 U CN221299071 U CN 221299071U CN 202323518921 U CN202323518921 U CN 202323518921U CN 221299071 U CN221299071 U CN 221299071U
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 210000001061 forehead Anatomy 0.000 claims abstract description 31
- 210000003128 head Anatomy 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000008602 contraction Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a special height-limiting rotary drilling rig under a viaduct, which comprises a chassis, wherein a movable crawler belt is arranged at the bottom of the chassis, a connecting frame is arranged at the front side of the chassis, variable amplitude oil cylinders are connected to two sides of the upper end of the connecting frame, a mast is connected to the other end of the variable amplitude oil cylinders, a forehead is arranged at the upper end of the mast, the forehead is connected with a first folding oil cylinder arranged at the upper end of the mast, a steel wire rope is arranged on the forehead, the forehead is connected with a connecting frame and a drill rod through the steel wire rope, the lower end of the drill rod is connected with a drill bit, a second folding oil cylinder is arranged at one side, close to the variable amplitude oil cylinder, of the lower end of the mast, a power head is arranged at the front side of the second folding oil cylinder, a drill rod is arranged in the middle of the power head, the chassis is a power assembly and provides power drive for various actions, the variable amplitude oil cylinders are connected between the connecting frame and the mast, and the variable amplitude oil cylinders adjust the angle of the mast through expansion; the utility model has the advantage of being capable of being constructed and transported under a relatively low viaduct.
Description
Technical Field
The utility model relates to the field of rotary drilling rig equipment, in particular to a height-limiting rotary drilling rig special for a viaduct.
Background
With the development of foundation construction, the original overhead communication roads in many cities cannot meet the commute, a second layer of viaduct needs to be built upwards on the foundation, filling construction and original bridge pile reinforcement are needed in some construction sites under the original high-price bridge, the requirements of a common rotary drilling rig cannot be met, and rotary drilling equipment capable of meeting the requirements of construction under the viaduct needs to be designed.
At present, some overhead bridge has lower height limit and transportation, for this purpose, a mast double folding scheme is developed, the scheme greatly solves the problem that the rotary excavating equipment encounters lower height limit during transportation, the direction is indicated for other similar equipment, a drilling machine capable of double folding the mast and improving drilling depth is designed,
Therefore, aiming at the problems, a special height-limiting rotary drilling rig under a viaduct is provided.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a special height-limiting rotary drilling rig under a viaduct, which can be constructed and transported under the lower viaduct.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special limit for height digs rig soon under overpass, it includes the chassis, the chassis bottom is provided with the removal track, the chassis front side is provided with the link, the link is connected with the luffing cylinder, the luffing cylinder other end is connected with the mast, the mast upper end is provided with the forehead, the forehead is connected with first folding hydro-cylinder, be provided with wire rope on the forehead, the forehead is connected with link and drilling rod through wire rope, the drilling rod lower extreme is connected with the drill bit, the mast lower extreme is close to luffing cylinder one side is provided with the second folding hydro-cylinder, the second folding hydro-cylinder front side is provided with the power head, be provided with the drilling rod in the middle of the power head.
Preferably, the chassis is a power assembly providing power for various actions.
Preferably, the connecting frame is fixed to the bottom end of the mast.
Preferably, an amplitude-variable oil cylinder is connected between the connecting frame and the mast, the angle of the mast is adjusted through expansion and contraction of the amplitude-variable oil cylinder, and the mast is connected with the chassis through the connecting frame.
Preferably, the second folding cylinder is a mast folding cylinder, the second folding cylinder automatically folds backwards by 90 degrees through the mast, the second folding cylinder stretches out and draws back, the mast can be folded at the rotating position, the first folding cylinder is a forehead folding cylinder, the first folding cylinder folds the second folding cylinder through the first folding cylinder, and then folds again, so that the mast is transported and kept below 3.8 meters through twice folding.
Preferably, the forehead is connected to the mast, the forehead is provided with a steel wire rope for lifting the drill rod, the drill rod is of a telescopic nested structure, the drill rod is arranged on eight layers, and the total length of the drill rod is only 2.5 meters.
Preferably, the power head drives the drill rod, the drill bit is replaceable, and the maximum diameter of the drill bit can be replaced by 2.2 meters.
Compared with the prior art, the utility model has the following beneficial effects: compared with the existing low-altitude construction equipment, the equipment has the advantages that the overall height working state is lower and reaches 4.77 meters, the transportation overall height reaches 3.75 meters, the drilling depth reaches 13.1 meters deep, the maximum drilling diameter can reach 2.2 meters, meanwhile, the second folding oil cylinder is used for automatically folding the mast backwards for 90 degrees, the second folding oil cylinder stretches, the mast can be folded at the rotating position of the second folding oil cylinder to achieve the effect of lowering the transportation height, meanwhile, the first folding oil cylinder can be folded again after the second folding oil cylinder is folded, so that the mast transportation is kept below 3.8 meters through twice folding, the situation that the lower height limit is met when the rotary digging equipment is transported is solved, the equipment transportation is more convenient, and the advantages of construction and transportation under the lower high-altitude are achieved.
Drawings
FIG. 1 is a schematic diagram of the working state structure of a special height-limiting rotary drilling rig under a viaduct;
FIG. 2 is a schematic diagram of a transportation state structure of a special height-limiting rotary drilling rig under a viaduct;
fig. 3 is a schematic diagram of the drill rod structure of the special height-limiting rotary drilling rig under a viaduct.
The reference numerals in the drawings indicate: 1. a chassis; 2. a connecting frame; 3. a luffing cylinder; 4. a mast; 5. forehead; 6. a first folding cylinder; 7. a second folding cylinder; 8. a drill rod; 9. a power head; 10. a drill bit; 11. and (3) moving the crawler belt.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-2, the embodiment discloses a special height-limiting rotary drilling rig under a viaduct, which comprises a chassis 1, wherein a movable crawler belt 11 is arranged at the bottom of the chassis 1, a connecting frame 2 is arranged at the front side of the chassis 1, the connecting frame 2 is connected with a luffing cylinder 3, the other end of the luffing cylinder 3 is connected with a mast 4, the upper end of the mast 4 is provided with a forehead 5, the forehead 5 is connected with a first folding cylinder 6, a steel wire rope is arranged on the forehead 5, the forehead 5 is connected with the connecting frame 2 and a drill rod 8 through the steel wire rope, the lower end of the drill rod 8 is connected with a drill bit 10, a second folding cylinder 7 is arranged at the side, close to the luffing cylinder 3, of the lower end of the mast 4, a power head 9 is arranged at the front side of the second folding cylinder 7, a drill rod 8 is arranged in the middle of the power head 9, the chassis 1 is a power assembly and provides power driving for various actions, the connecting frame 2 is fixed at the bottom end of the mast 4, an amplitude changing oil cylinder 3 is connected between the connecting frame 2 and the mast 4, the amplitude changing oil cylinder 3 adjusts the angle of the mast 4 through expansion and contraction, the mast 4 is connected with the chassis 1 through the connecting frame 2, the second folding oil cylinder 7 is a mast 4 folding oil cylinder, the second folding oil cylinder 7 is automatically folded backwards by 90 degrees through the mast 4, the second folding oil cylinder 7 expands and contracts, the mast 4 can be used for folding at the rotating position, the first folding oil cylinder 6 is a forehead 5 folding oil cylinder, and the first folding oil cylinder 6 enables the second folding oil cylinder 7 to be folded again after being folded through the first folding oil cylinder 6.
In this embodiment, through the link 2 that the chassis 1 is provided with, make its link 2 connect the mast 4, be used for carrying out 4 masts backward automatic folding 90 degrees through second folding hydro-cylinder 7, second folding hydro-cylinder 7 stretches out and draws back, use 4 masts can fold in its rotation position to reach the effect that the transport height becomes low, first folding hydro-cylinder 6 can fold again after second folding hydro-cylinder 7 is folding, like this through folding twice, make 4 masts transportation keep the advantage below 3.8 meters.
Examples
As shown in fig. 1-3, the embodiment discloses a special height-limiting rotary drilling rig under a viaduct, which comprises a chassis 1, wherein a movable crawler belt 11 is arranged at the bottom of the chassis 1, a connecting frame 2 is arranged at the front side of the chassis 1, the connecting frame 2 is connected with a luffing cylinder 3, the other end of the luffing cylinder 3 is connected with a mast 4, the upper end of the mast 4 is provided with a forehead 5, the forehead 5 is connected with a first folding cylinder 6, a steel wire rope is arranged on the forehead 5, the forehead 5 is connected with the connecting frame 2 and a drill rod 8 through the steel wire rope, the lower end of the drill rod 8 is connected with a drill bit 10, one side, close to the luffing cylinder 3, of the lower end of the mast 4 is provided with a second folding cylinder 7, the front side of the second folding cylinder 7 is provided with a power head 9, a drill rod 8 is arranged in the middle of the power head 9, the forehead 5 is connected on the mast 4, the forehead 5 is provided with a steel wire rope for lifting the drill rod 8, the drill rod 8 is of a telescopic nested structure, the drill rod 8 is provided with eight layers, the drill rod 8 is in driving connection with the power head 9, and the drill bit 10 is of a replaceable structure.
According to the embodiment, the chassis is used as a power assembly to provide power driving for various actions, the 4 masts are connected with the chassis 1 through the connecting frame 2, the connecting frame 2 is used for fixing the bottom end of the 4 masts, the mast 3 luffing cylinder is used for connecting the 4 masts with the connecting frame 2, the angle of the mast 4 can be adjusted through the extension and retraction of the mast 3 luffing cylinder to meet the requirement of a working state, meanwhile, the forehead 5 is connected with the mast 4 and is used for guiding a steel wire rope of an 8 drill rod to lift the 8 drill rod, the power head 9 is used for driving the 8 drill rod, the drill rod 8 is connected with a drill bit 10, and the drill bit 10 can be replaced, and can be replaced by 2.2 meters in diameter at most so as to achieve the purpose of drilling.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a special limit for height digs rig soon under overpass, it includes chassis (1), its characterized in that: the utility model discloses a drilling rig, including chassis (1), connecting frame (2), luffing cylinder (3) are connected with to chassis (1) bottom, chassis (1) front side is provided with link (2), link (2) upper end both sides are connected with luffing cylinder (3), luffing cylinder (3) other end is connected with mast (4), mast (4) upper end is provided with forehead (5), forehead (5) be connected with set up in first folding cylinder (6) of mast (4) upper end, be provided with wire rope on forehead (5), forehead (5) are connected with link (2) and drilling rod (8) through wire rope, drilling rod (8) lower extreme is connected with drill bit (10), mast (4) lower extreme is close to luffing cylinder (3) one side is provided with second folding cylinder (7), second folding cylinder (7) front side is provided with unit head (9), be provided with drilling rod (8) in the middle of unit head (9).
2. The special height-limiting rotary drilling rig under a viaduct according to claim 1, wherein: the chassis (1) is a power assembly and provides power drive for various actions.
3. The special height-limiting rotary drilling rig under a viaduct according to claim 1, wherein: the connecting frame (2) is fixed at the bottom end of the mast (4).
4. A special height-limiting rotary drilling rig under a viaduct according to claim 3, wherein: an amplitude-variable oil cylinder (3) is connected between the connecting frame (2) and the mast (4), the angle of the mast (4) is adjusted through expansion and contraction of the amplitude-variable oil cylinder (3), and the mast (4) is connected with the chassis (1) through the connecting frame (2).
5. The special height-limiting rotary drilling rig under a viaduct according to claim 1, wherein: the second folding cylinder (7) is a mast (4) folding cylinder, the second folding cylinder (7) is automatically folded by 90 degrees backwards through the mast (4), the second folding cylinder (7) stretches out and draws back, the mast (4) can be used for folding at the rotating position of the mast, the first folding cylinder (6) is a forehead (5) folding cylinder, and the first folding cylinder (6) enables the second folding cylinder (7) to be folded again after being folded through the first folding cylinder (6).
6. The special height-limiting rotary drilling rig under a viaduct of claim 4, wherein: the forehead (5) is connected to the mast (4), the forehead (5) is provided with a steel wire rope for lifting the drill rod (8), the drill rod (8) is of a telescopic nested structure, and the drill rod (8) is provided with eight layers.
7. The special height-limiting rotary drilling rig under a viaduct according to claim 1, wherein: the drill rod (8) is in driving connection with the power head (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323518921.0U CN221299071U (en) | 2023-12-22 | 2023-12-22 | Special height-limiting rotary drilling rig under viaduct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323518921.0U CN221299071U (en) | 2023-12-22 | 2023-12-22 | Special height-limiting rotary drilling rig under viaduct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299071U true CN221299071U (en) | 2024-07-09 |
Family
ID=91735877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323518921.0U Active CN221299071U (en) | 2023-12-22 | 2023-12-22 | Special height-limiting rotary drilling rig under viaduct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299071U (en) |
-
2023
- 2023-12-22 CN CN202323518921.0U patent/CN221299071U/en active Active
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| GR01 | Patent grant |