CN215949381U - Positioning claw for down-the-hole drill - Google Patents
Positioning claw for down-the-hole drill Download PDFInfo
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- CN215949381U CN215949381U CN202122538943.8U CN202122538943U CN215949381U CN 215949381 U CN215949381 U CN 215949381U CN 202122538943 U CN202122538943 U CN 202122538943U CN 215949381 U CN215949381 U CN 215949381U
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- telescopic square
- claw
- square pipe
- supporting
- hydraulic cylinder
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- 210000000078 claw Anatomy 0.000 title claims abstract description 49
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a positioning claw for a down-the-hole drill, which comprises a telescopic square pipe, a connecting seat assembly, a turning hydraulic cylinder, a fixed supporting plate, a rotary supporting block, a supporting claw and an extension hydraulic cylinder, wherein the telescopic square pipe realizes the turning function through the turning hydraulic cylinder, the telescopic square pipe is turned by an angle, the telescopic square pipe can be vertical to a horizontal plane, when the telescopic square pipe is vertical to the horizontal plane, the telescopic square pipe is internally provided with a telescopic square pipe II which can telescopically slide in the telescopic square pipe I by virtue of an inner slide block, when a bulge or a recess exists on the horizontal ground, the supporting claw can increase the acting point, and the positioning claw can be tightly attached to a convex surface or a concave surface of the ground by extending the hydraulic cylinder, so that the positioning claw mainly adopts a single hydraulic cylinder or adopts a simple welding component, has a single structure and can not be well attached to the ground on a complex ground, so as to keep the gravity center of the whole machine not moving in the working process and prevent the overturning accident.
Description
Technical Field
The utility model relates to the technical field of pile hole drilling machines and engineering machinery, in particular to a positioning claw for a down-the-hole drilling machine.
Background
The positioning pawl is widely applied to a supporting mechanism device of engineering machinery. In the working process of the whole machine, the positioning claws extend out of the supporting ground to increase the supporting span and keep the working stability of the engineering machinery. In addition, when the positioning claw meets complicated road conditions such as rugged roads, the positioning claw can be tightly attached to the ground, the center of gravity of the whole vehicle body is ensured to be at a reasonable position, and overturning is prevented.
At present, a pile hole drilling machine and an engineering machine with the bearing capacity of more than 30 tons have the advantages that a positioning claw mainly adopts a single hydraulic oil cylinder or a simple welding assembly, and the positioning claw mechanism is single in structure and cannot be well attached to the ground on the complex ground so as to keep the gravity center of the whole machine not to move in the working process and prevent the occurrence of overturning accidents.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the positioning claw for the down-the-hole drill is provided so as to solve the problems that the conventional positioning claw applied to engineering machinery mainly adopts a single hydraulic oil cylinder or adopts a simple welding assembly, the structure of the positioning claw mechanism is single, the positioning claw mechanism cannot be well attached to the ground on a complex ground, the gravity center of the whole machine is kept not to move in the working process, and the overturning accident is prevented.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a positioning claw for a down-the-hole drill, which comprises a supporting leg component, wherein one side of the supporting leg component is provided with a telescopic square tube for overturning, the bottom end of the telescopic square tube is provided with a connecting seat assembly, the side end of the connecting seat assembly is connected with the supporting leg component through a connecting pin shaft I, the side end of the telescopic square tube is provided with an overturning hydraulic cylinder for assisting power, an extension hydraulic cylinder is arranged inside the telescopic square tube, the bottom end of the telescopic square tube is provided with a fixed supporting plate, the bottom end of the fixed supporting plate is provided with a supporting claw, and an output shaft of the extension hydraulic cylinder penetrates through the fixed supporting plate and is connected with the supporting claw;
telescopic square pipe is including the telescopic square pipe I who locates the outer end, I top of telescopic square pipe is equipped with the enhancement backup pad, the inside interior slider that is equipped with of telescopic square pipe I, I middle part of telescopic square pipe is equipped with telescopic square pipe II, and interior slider passes through M14 hexagon socket head cap screw and telescopic square pipe II is connected.
Furthermore, the turning angle of the telescopic square tube can reach 55 degrees.
Furthermore, the side ends of the fixed supporting plate and the supporting claw are provided with rotating supporting blocks, and the rotating supporting blocks are connected with the supporting plate and the supporting claw through a connecting pin shaft II.
Furthermore, the output ends of the overturning hydraulic oil cylinder and the extending hydraulic oil cylinder are provided with connecting rings.
Furthermore, the upper end of the fixed supporting plate is provided with a reinforcing supporting plate II.
Further, I bottom in flexible side's pipe is equipped with strengthens backup pad III, and strengthens backup pad III and pass through flange and be connected with the connecting seat assembly.
(III) advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model realizes the overturning function through the overturning hydraulic cylinder by the telescopic square pipe, the overturning angle of the telescopic square pipe can reach 55 degrees, the telescopic square pipe can be vertical to the horizontal plane, when the telescopic square pipe is vertical to the horizontal plane, the inner part of the telescopic square pipe can telescopically slide in the telescopic square pipe I by the inner slide block, when the horizontal ground is provided with a bulge or a depression, the supporting claw can increase the acting point, and the positioning claw is tightly attached to the bulge surface or the depression surface of the ground by extending the hydraulic cylinder, thereby solving the problems that the existing positioning claw in the application of engineering machinery mainly adopts a single hydraulic cylinder or adopts a simple welding assembly, the structure of the positioning claw mechanism is single, the positioning claw mechanism can not be well attached to the ground on the complex ground, the gravity center of the whole machine can not move in the working process, and the overturning accident can be prevented.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the telescopic square tube of the present invention;
FIG. 4 is a schematic view showing the internal structure of the elongated state of the present invention;
FIG. 5 is a schematic view of the rotation of the present invention;
in the figure: the support leg assembly comprises a support leg assembly-1, a telescopic square tube-2, a connecting seat assembly-3, a connecting pin I-4, a turning hydraulic oil cylinder-5, a fixed support plate-6, a rotary support block-7, a connecting pin II-8, a support claw-9, an extension hydraulic oil cylinder-10, a connecting ring-101, a telescopic square tube I-201, a reinforced support plate-202, an inner slide block-203, an M14 inner hexagon bolt-204, a telescopic square tube II-205, a reinforced support plate II-206, a connecting flange-207 and a reinforced support plate III-208.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-5, the utility model provides a positioning claw for a down-the-hole drill, which comprises a supporting leg assembly 1, wherein one side of the supporting leg assembly 1 is provided with a telescopic square tube 2 for overturning, the bottom end of the telescopic square tube 2 is provided with a connecting seat assembly 3, the side end of the connecting seat assembly 3 is connected with the supporting leg assembly 1 through a connecting pin shaft I4, the side end of the telescopic square tube 2 is provided with an overturning hydraulic cylinder 5 for assisting, an extension hydraulic cylinder 10 is arranged inside the telescopic square tube 2, the bottom end of the telescopic square tube 2 is provided with a fixed supporting plate 6, the bottom end of the fixed supporting plate 6 is provided with a supporting claw 9, and an output shaft of the extension hydraulic cylinder 10 penetrates through the fixed supporting plate 6 and is connected with the supporting claw 9;
telescopic square pipe 2 is including the telescopic square pipe I201 of locating the outer end, and telescopic square pipe I201 top is equipped with enhancement backup pad 202, and telescopic square pipe I201 is inside to be equipped with interior slider 203, and telescopic square pipe I201 middle part is equipped with telescopic square pipe II 205, and interior slider 203 is connected with telescopic square pipe II 205 through M14 hexagon socket head cap screw 204.
Wherein, the angle of the upset of flexible square pipe 2 can reach 55, makes flexible square pipe 2 can reach the state of standing upright, makes things convenient for the support claw 9 of lower extreme to contact with ground, is convenient for fix.
The fixed supporting plate 6 and the supporting claw 9 are provided with rotary supporting blocks 7 at the side ends, the rotary supporting blocks 7 are connected with the supporting plate 6 and the supporting claw 9 through connecting pin shafts II 8, the supporting claw 9 is supported through the rotary supporting blocks 7 and the connecting pin shafts II 8 to rotate, and the problem that the clamping force with the ground is insufficient due to insufficient stress when the supporting claw 9 rotates is avoided.
The output ends of the overturning hydraulic oil cylinder 5 and the extending hydraulic oil cylinder 10 are provided with connecting rings 101, the overturning hydraulic oil cylinder 5 and the extending hydraulic oil cylinder 10 are conveniently connected with the supporting leg assembly 1 and the supporting claws 9 through the connecting rings 101, and the fixing is more convenient and faster.
Wherein, the fixed stay plate 6 upper end is equipped with strengthens backup pad II 206, strengthens the intensity of fixed stay plate 6 through strengthening backup pad II 206, makes its supporting force increase, is convenient for bear heavier weight.
Wherein, I201 bottom of flexible side's pipe is equipped with strengthens backup pad III 208, and strengthens backup pad III 208 and be connected with connecting seat assembly 3 through flange 207, increases the fixed dynamics between connecting seat assembly 3 and the flexible side's pipe I201 through strengthening backup pad III 208, avoids connecting seat assembly 3 to use for a long time in the middle of the welding department damage lead to the condition of separation between connecting seat assembly 3 and the flexible side's pipe I201.
The working principle is as follows: the user promotes flexible square pipe 2 through upset hydraulic cylinder 5 and makes it overturn under the effect of connecting seat assembly 3, make the perpendicular horizontal plane of flexible square pipe 2, then the inside extension hydraulic cylinder 10 work of flexible square pipe promotes fixed support plate 6 downstream, make interior slider 203 move down between I201 and the flexible square pipe II 205 in flexible square pipe, make support claw 9 and ground contact, and when the ground exists protrudingly or sunken, the one end and the ground contact of support claw 9 become the impetus, then extension hydraulic cylinder 10 makes its promotion again and will support claw 9 and fix through 7 rotatory ground pushings of rotatory supporting shoe, make it carry out and closely laminate with ground, with this completion work.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a positioning claw for down-the-hole drill, includes landing leg subassembly (1), its characterized in that: a telescopic square tube (2) used for turning is arranged on one side of the supporting leg assembly (1), a connecting seat assembly (3) is arranged at the bottom end of the telescopic square tube (2), the side end of the connecting seat assembly (3) is connected with the supporting leg assembly (1) through a connecting pin shaft I (4), a turning hydraulic cylinder (5) used for assisting power is arranged at the side end of the telescopic square tube (2), an extension hydraulic cylinder (10) is arranged inside the telescopic square tube (2), a fixed supporting plate (6) is arranged at the bottom end of the telescopic square tube (2), a supporting claw (9) is arranged at the bottom end of the fixed supporting plate (6), and an output shaft of the extension hydraulic cylinder (10) penetrates through the fixed supporting plate (6) and is connected with the supporting claw (9);
flexible side pipe (2) is including the flexible side pipe I (201) of locating the outer end, flexible side pipe I (201) top is equipped with strengthens backup pad (202), slider (203) in flexible side pipe I (201) inside is equipped with, flexible side pipe I (201) middle part is equipped with flexible side pipe II (205), and interior slider (203) are connected with flexible side pipe II (205) through M14 hexagon socket head cap screw (204).
2. The positioning claw for a down-the-hole drill according to claim 1, wherein: the turning angle of the telescopic square tube (2) can reach 55 degrees.
3. The positioning claw for a down-the-hole drill according to claim 1, wherein: the fixed supporting plate (6) and the supporting claw (9) are provided with rotary supporting blocks (7) at the side ends, and the rotary supporting blocks (7) are connected with the supporting plate (6) and the supporting claw (9) through connecting pin shafts II (8).
4. The positioning claw for a down-the-hole drill according to claim 1, wherein: and the output ends of the overturning hydraulic oil cylinder (5) and the extending hydraulic oil cylinder (10) are provided with connecting rings (101).
5. The positioning claw for a down-the-hole drill according to claim 1, wherein: and a reinforcing support plate II (206) is arranged at the upper end of the fixed support plate (6).
6. The positioning claw for a down-the-hole drill according to claim 1, wherein: the bottom of I (201) is equipped with in flexible side's pipe and strengthens backup pad III (208), and strengthens backup pad III (208) and be connected with connecting seat assembly (3) through flange (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538943.8U CN215949381U (en) | 2021-10-21 | 2021-10-21 | Positioning claw for down-the-hole drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538943.8U CN215949381U (en) | 2021-10-21 | 2021-10-21 | Positioning claw for down-the-hole drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215949381U true CN215949381U (en) | 2022-03-04 |
Family
ID=80413648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122538943.8U Active CN215949381U (en) | 2021-10-21 | 2021-10-21 | Positioning claw for down-the-hole drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215949381U (en) |
-
2021
- 2021-10-21 CN CN202122538943.8U patent/CN215949381U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 330000 workshop 2, No. 1059, Fenglin Avenue, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi Dongrui Intelligent Equipment Technology Co.,Ltd. Country or region after: China Address before: 330000 workshop 2, No. 1059, Fenglin Avenue, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee before: Jiangxi Dongrui Machinery Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |