CN215565689U - Power head rotary pressing disc for rotary drilling rig - Google Patents
Power head rotary pressing disc for rotary drilling rig Download PDFInfo
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- CN215565689U CN215565689U CN202121535266.8U CN202121535266U CN215565689U CN 215565689 U CN215565689 U CN 215565689U CN 202121535266 U CN202121535266 U CN 202121535266U CN 215565689 U CN215565689 U CN 215565689U
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- positioning
- power head
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Abstract
The utility model relates to a power head spinning disc for a rotary drilling rig, which comprises a circular ring base, a support sleeve, a positioning sleeve, a radial pin, a connecting block and a limiting bolt, wherein the support sleeve is fixed on the circular ring base, the positioning sleeve is fixed on the support sleeve and coaxially arranged with the support sleeve, the outer diameter of the positioning sleeve is larger than that of the support sleeve, the outer diameter of the circular ring base is larger than that of the positioning sleeve, a plurality of radial positioning holes are uniformly formed in the outer circumferential surface of the positioning sleeve, the radial pin is arranged in each positioning hole and can move along the radial positioning hole, two connecting blocks are symmetrically fixed on two sides of the outer wall of each positioning hole, the connecting block is provided with bolt holes, the limiting bolt penetrates through the bolt holes of the two connecting blocks and is fastened through nuts, the limiting bolt abuts against the outer end surface of the radial pin, the radial pin is prevented from moving in the radial direction by arranging the limiting bolt, the transmitted working torque is large, and simple structure, spare part is few, easy installation.
Description
The technical field is as follows:
the utility model relates to the field of engineering machinery, in particular to a rotary pressing disc of a power head for a rotary drilling rig.
Background art:
the rotary drilling rig is a comprehensive drilling rig, can use various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.
The joint of the rotary pressing disc and the power head of the rotary drilling rig in the past is fastened by a circle of bolts, so that the rotary drilling rig is very inconvenient to install and disassemble, needs a large amount of disassembly and assembly time and is not beneficial to maintenance.
The utility model has the following contents:
aiming at the problems, the utility model provides the power head rotary pressing disc for the rotary drilling rig, which has the advantages of simple structure, convenience in disassembly and assembly and high strength.
The utility model is realized by the following technical scheme:
the utility model provides a unit head spinning disk for digging rig soon, includes the ring base, supports cover, position sleeve, radial round pin, connecting block, spacing bolt, support the cover and fix on the ring base, on the position sleeve fixed stay cover and with support the coaxial setting of cover, the external diameter of position sleeve is greater than the external diameter that supports the cover, the external diameter of ring base be greater than with the external diameter of position sleeve, a plurality of radial locating holes have evenly been seted up on the excircle surface of position sleeve, be provided with radial round pin in the radial locating hole, radial round pin can remove along radial locating hole, the bilateral symmetry of radial locating hole outer wall is fixed with two connecting blocks, the bolt hole has on the connecting block, and spacing bolt passes the bolt hole of two connecting blocks and fastens through the nut, and spacing bolt leans on with radial round pin outer terminal surface counterbalance.
In order to enhance the integral strength of the power head spinning disc, a plurality of reinforcing rib plates are fixedly connected between the circular ring bottom plate and the supporting sleeve.
The utility model has the beneficial effects that: the limiting device consisting of the positioning hole, the connecting block and the limiting bolt is arranged through the positioning sleeve, so that the radial pin is prevented from moving in the radial direction, the transmitted working torque is large, the structure is simple, and parts are few and easy to install.
Description of the drawings:
FIG. 1 is a schematic perspective view of a rotary pressure disk of a power head for a rotary drilling rig according to the present invention;
fig. 2 is a schematic perspective view of a main body of a rotary disk of a power head according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model.
As shown in fig. 1 and 2, the power head spinning disc for a rotary drilling rig comprises a circular ring base 1, a support sleeve 2, a positioning sleeve 3, a radial pin 6, a connecting block 4 and a limit bolt 5, wherein the support sleeve 2 is fixed on the circular ring base 1, the positioning sleeve 3 is fixed on the support sleeve and coaxially arranged with the support sleeve 2, the outer diameter of the positioning sleeve 3 is larger than the outer diameter of the support sleeve 2, the outer diameter of the circular ring base 1 is larger than the outer diameter of the positioning sleeve 3, four radial positioning holes 7 are uniformly arranged on the outer circumferential surface of the positioning sleeve 3, the radial pin 6 is arranged in the radial positioning hole 7, the radial pin 6 can move along the radial positioning hole 7, two connecting blocks 4 are symmetrically fixed on two sides of the outer wall of the radial positioning hole 7, the connecting blocks 4 are provided with bolt holes, the limit bolt 5 passes through the bolt holes of the two connecting blocks 4 and is fastened through nuts, the limit bolt 5 abuts against the outer end surface of the radial pin 6, a plurality of reinforcing rib plates 8 are welded between the circular ring base 1 and the supporting sleeve 2.
The installation part of the power head is inserted into the positioning sleeve 3, after the positioning hole of the power head is aligned with the radial positioning hole 7 on the positioning sleeve 2, the radial pin is inserted into the aligned positioning hole 6, so that the power head is connected with the positioning sleeve 3 in the radial direction, finally, the limiting bolt 5 penetrates into the bolt hole of the connecting block 4 and is fastened through the nut, the radial pin 6 cannot move in the radial direction, and the power head is firmly connected with the rotary pressure plate of the power head.
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 in describing the present invention and simplifying the 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a power head spinning disk for digging rig soon which characterized in that: the ring-shaped positioning device comprises a ring base (1), a supporting sleeve (2), a positioning sleeve (3), radial pins (6), connecting blocks (4) and limiting bolts (5), wherein the supporting sleeve (2) is fixed on the ring base (1), the positioning sleeve (3) is fixed on the supporting sleeve and is coaxially arranged with the supporting sleeve (2), the outer diameter of the positioning sleeve (3) is larger than the outer diameter of the supporting sleeve (2), the outer diameter of the ring base (1) is larger than the outer diameter of the positioning sleeve (3), a plurality of radial positioning holes (7) are uniformly formed in the outer circle surface of the positioning sleeve (3), the radial pins (6) are arranged in the radial positioning holes (7), the radial pins (6) can move along the radial positioning holes (7), two connecting blocks (4) are symmetrically fixed on two sides of the outer wall of the radial positioning holes (7), the connecting blocks (4) are provided with bolt holes, and the limiting bolts (5) pass through the bolt holes of the two connecting blocks (4) and are fastened through nuts, the limiting bolt (5) is abutted against the outer end face of the radial pin (6).
2. The power head rotary pressure plate for the rotary drilling rig according to claim 1, characterized in that: four radial positioning holes (7) are uniformly formed in the outer surface of the supporting sleeve (2).
3. The power head rotary pressure plate for the rotary drilling rig according to claim 1, characterized in that: a plurality of reinforcing rib plates (8) are fixedly connected between the circular ring base (1) and the supporting sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535266.8U CN215565689U (en) | 2021-07-07 | 2021-07-07 | Power head rotary pressing disc for rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535266.8U CN215565689U (en) | 2021-07-07 | 2021-07-07 | Power head rotary pressing disc for rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215565689U true CN215565689U (en) | 2022-01-18 |
Family
ID=79824032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121535266.8U Active CN215565689U (en) | 2021-07-07 | 2021-07-07 | Power head rotary pressing disc for rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215565689U (en) |
-
2021
- 2021-07-07 CN CN202121535266.8U patent/CN215565689U/en active Active
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