CN204703755U - Rotary drilling rig and unit head pressing disc thereof - Google Patents
Rotary drilling rig and unit head pressing disc thereof Download PDFInfo
- Publication number
- CN204703755U CN204703755U CN201420857349.2U CN201420857349U CN204703755U CN 204703755 U CN204703755 U CN 204703755U CN 201420857349 U CN201420857349 U CN 201420857349U CN 204703755 U CN204703755 U CN 204703755U
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- China
- Prior art keywords
- sleeve
- pressure plate
- drilling rig
- rotary drilling
- connecting pin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 208000010727 head pressing Diseases 0.000 title abstract description 4
- 230000009467 reduction Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a kind of rotary drilling rig and unit head pressing disc thereof, this rotary digging drill power head pressing disc comprises: chassis and the platen sleeve be arranged on chassis, and platen sleeve top is provided with the contact socket part corresponding with the reduction box sleeve of unit head; Platen sleeve lateral wall is also provided with at least three connecting pin bores; Platen sleeve connects reduction box sleeve by contact socket part, and connects reduction box sleeve by least three connecting pin bores, reduces the parts such as stopping means and transition piece, and structure is simple, easy for installation.
Description
Technical Field
The utility model relates to an engineering machine tool technical field, in particular to dig lower holding disc of unit head of rig and dig the rig soon.
Background
In recent years, rotary drilling rigs are applied more and more widely in pile foundation hole forming construction. The power head is an important part of the rotary drilling rig and comprises a reduction gearbox, a sliding frame, a buffer device, a lower pressure plate and the like, wherein the lower pressure plate is arranged at the lowest end of the power head, the drive is realized through a bolt and a sleeve of the reduction gearbox in a traditional mode, the effect is that the reduction gearbox and the sliding frame are supported, the effect is that a bucket bottom switch on a drilling bucket is pressed downwards when the drilling bucket is lifted upwards, and the bucket is opened and slag is discharged. When the rotary drilling rig is in construction, sometimes in order to prevent a drill hole from collapsing, a pressure plate needs to be detached, and a protective cylinder is connected for construction.
The lower pressing disc is usually connected to the power head reduction box through the upper connecting device and the transition connecting device, the lower pressing disc and the transition connecting device are uniformly arranged according to a coaxial line by two pin shafts, and the lower pressing disc and the transition connecting device have a rotatable trend along a common axis, so that the structure also comprises a rotation limiting device, the structure is complex, the installation is inconvenient, and the manufacturing cost is high; and the reduction gearbox is connected through the upper connecting devices such as the bolts, and the disassembly and the installation are inconvenient.
Aiming at the problems of complex structure and inconvenient installation of a lower pressure plate of the power head of the conventional rotary drilling rig, the technical problem to be solved urgently by technical personnel in the field is solved.
SUMMERY OF THE UTILITY MODEL
Pressure disk structure is complicated under in order to overcome current rig unit head of digging soon, installs inconvenient problem, the utility model provides a dig pressure disk under rig unit head of digging soon and be provided with this unit head down dig rig soon of pressure disk.
On the one hand, the utility model provides a pressure disk under rig unit head is dug soon, include:
a chassis;
the pressure plate sleeve is arranged on the chassis, and the top of the pressure plate sleeve is provided with a contact sleeve part corresponding to a reduction gearbox sleeve of the power head; wherein,
at least three connecting pin holes are further formed in the side wall of the pressure plate sleeve.
Furthermore, four connecting pin holes are formed in the pressure plate sleeve; wherein,
and a first wear-resistant shaft sleeve is arranged in each connecting pin hole.
Further, four connecting pin holes are arranged on the pressure plate sleeve at equal intervals.
Furthermore, three connecting pin holes are formed in the side wall of the pressure plate sleeve; or,
six connecting pin holes are formed in the side wall of the pressure plate sleeve; or,
eight connecting pin holes are formed in the side wall of the pressure plate sleeve.
Furthermore, a plurality of rib plates are fixed between the pressure plate sleeve and the chassis.
Furthermore, the connecting pin hole is a pin hole formed in the side wall of the pressure plate sleeve; and/or the presence of a gas in the gas,
the pressure plate sleeve is also provided with a plurality of process holes.
Further, the contact socket includes:
an outer shaft sleeve section matched with the outer diameter of the reduction gearbox sleeve; and the number of the first and second groups,
and the sleeve contact surface is arranged on the inner side of the outer shaft sleeve section and is in contact with the reduction gearbox sleeve.
The utility model also provides a rotary drilling rig, rotary drilling rig is provided with the power head lower pressure disk of claim-any one.
Furthermore, the rotary drilling rig is provided with a reduction gearbox sleeve arranged on the power head;
the bottom of the reduction box sleeve is provided with a plurality of connecting lug plates corresponding to the connecting pin holes;
the connecting lug plate is provided with a lug plate pin hole; and a second wear-resistant sleeve is arranged in the lug plate pin hole.
Furthermore, the reduction gearbox sleeve is also provided with an inner shaft sleeve section corresponding to the outer shaft sleeve section;
and the inner shaft sleeve section is provided with a lower press disc contact surface corresponding to the sleeve contact surface.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a pair of dig pressure disk under rig unit head soon, include: the top of the pressure plate sleeve is provided with a contact sleeve part corresponding to a reduction gearbox sleeve of the power head; the pressure plate sleeve is also provided with at least three connecting pin holes; the pressure disk sleeve is connected with the reduction gearbox sleeve through the contact sleeve joint part and is connected with the reduction gearbox sleeve through at least three connecting pin holes, parts such as a limiting device and a transition connecting piece are reduced, the structure is simple, and the installation is convenient.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a lower pressure plate of a power head of a rotary drilling rig in the embodiment of the present invention;
FIG. 2 is an enlarged view of the structure of part A in FIG. 1;
fig. 3 is a schematic structural view of a reduction gearbox sleeve of a power head of a rotary drilling rig in the embodiment of the present invention;
FIG. 4 is a schematic structural view of the embodiment of the present invention in which the lower platen is specifically mounted on the sleeve of the reduction gearbox;
fig. 5 is a schematic view of a partial structure section of the embodiment of the present invention, in which the lower platen is connected to the sleeve of the reduction box.
Description of reference numerals:
1. a chassis; 2. a platen sleeve; 21. a fabrication hole; 3. a contact sleeve portion; 31. an outer shaft sleeve section; 32. a sleeve contact surface; 4. connecting pin holes; 41. a first wear-resistant shaft sleeve; 5. a rib plate; 6. a gearbox sleeve; 61. an inner shaft sleeve section; 62. a lower platen contact surface; 7. connecting the ear plates; 71. an ear plate pin hole; 72. a second wear-resistant shaft sleeve; 8. a power head; 9. and (7) connecting pins.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The preferred embodiments of the present invention will be further described with reference to the accompanying drawings:
the utility model discloses to the complicated pressure disk structure under the current rotary drilling rig unit head, install inconvenient problem, through set up at least three connecting pin hole 4 on pressure disk sleeve 2 of pressure disk under the rotary drilling rig unit head, connect reducing gear box sleeve 6 through connecting pin 9, because a plurality of connecting pins 9 are not on same axis, so need not install the rotation limiting device on the public axis, and at least three connecting pin hole 4 cooperates a plurality of connecting pins 9 to connect pressure disk and reducing gear box sleeve 6 down, increase transmission to quantity and connection fastening nature; the contact sleeve joint part 3 matched with the top of the pressure plate sleeve 2 is connected with the reduction gearbox sleeve 6, so that when the power head 8 is pressurized, the lower pressure plate contact surface 62 of the reduction gearbox sleeve 6 is in contact with the sleeve contact surface 32 of the contact sleeve joint part 3, the connecting shaft 9 is not stressed in the vertical direction, and the service life of the connecting shaft 9 is prolonged; and an intermediate connecting piece is also omitted, so that the lower pressing plate is simple in structure and convenient to mount and dismount.
Specifically, as shown in fig. 1 to 5, the lower pressure plate of the power head of the rotary drilling rig comprises a chassis 1 and a pressure plate sleeve 2; the pressure plate sleeve 2 is arranged on the chassis 1, and the top of the pressure plate sleeve 2 is provided with a contact sleeve part 3 corresponding to a reduction gearbox sleeve 6 of the power head 8; the side wall of the pressure plate sleeve 2 is also provided with four connecting pin holes 4; a plurality of rib plates 5 are fixed between the pressure plate sleeve 2 and the chassis 1.
A first wear-resistant shaft sleeve 41 is arranged in each connecting pin hole 4, the four connecting pin holes 4 are arranged on the side wall of the pressure plate sleeve 2 at equal intervals, and the connecting pin holes 4 are pin holes fixed on the pressure plate sleeve 2; the platen sleeve 2 is also provided with a plurality of tooling holes 21.
As shown in fig. 1, 2 and 3, the contact sleeve-connecting part 3 includes an outer sleeve section 31 and a sleeve contact surface 32, wherein the outer sleeve section 31 is matched with an inner sleeve section 61 of the reduction gearbox sleeve 6 in outer diameter, and the sleeve contact surface 32 is disposed inside the outer sleeve section 31 and is used for being in contact fit with a lower pressure plate contact surface 62 of the reduction gearbox sleeve 6.
Of course, as an option of other embodiments, three connecting pin holes 4 may also be provided on the side wall of the platen sleeve 2; or, six connecting pin holes 4 are arranged on the side wall of the pressure plate shaft sleeve 2; or, eight connecting pin holes 4 are arranged on the side wall of the pressure plate sleeve 2; for a specific structure, reference may be made to the structure in which the pressure plate sleeve 2 is provided with four connecting pin holes 4, which is not described herein again.
The specific structure of the reduction gearbox sleeve 6 of the rotary drilling rig is that, as shown in fig. 3, the reduction gearbox sleeve 6 is arranged at the bottom of a power head 8, and four connecting lug plates 7 corresponding to the connecting pin holes 4 are arranged at the bottom of the reduction gearbox sleeve 6; each connecting lug plate 7 is provided with a lug plate pin hole 71; a second wear-resistant sleeve 72 is arranged in the lug plate pin hole 71; an inner shaft sleeve section 61 corresponding to the outer shaft sleeve section 31 is also arranged on the reduction gearbox sleeve 6; the inner race section 61 is provided with a lower platen contact surface 62 corresponding to the sleeve contact surface 32.
During installation, as shown in fig. 1-5, the connecting sleeve 2 of the lower platen is sleeved at the bottom of the reduction gearbox sleeve 6, the outer shaft sleeve section 31 of the contact sleeving part 3 is sleeved on the outer side wall of the inner shaft sleeve section 61, and the sleeve contact surface 32 is in contact with the contact surface 62 of the lower platen; each connecting pin hole 4 corresponds to a corresponding ear plate pin hole 71 respectively, then the connecting pin 9 is inserted, and as the first wear-resistant shaft sleeve 41 is arranged in each connecting pin hole 4 and the second wear-resistant shaft sleeve 72 is arranged in each ear plate pin hole 71, the service lives of the connecting pin holes 4 and the ear plate pin holes 71 are prolonged; and the connecting pin 9, the connecting pin hole 4 and the lug plate pin hole 71 are in clearance fit, when the sleeve contact surface 32 is in contact with the lower pressing disc contact surface 62, no pressure is generated on the connecting shaft 9 in the vertical direction in the pressurizing process of the power head 8, and the service life of the connecting shaft 9 is prolonged.
The power head pressing disc mechanism of the rotary drilling rig is simple, the manufacturing cost is low, an intermediate connecting piece does not need to be installed between the reduction gearbox sleeve 6 and the pressing disc, the installation is convenient, the transmission capacity can be greatly improved due to the transmission structure of the four connecting pin holes 4, in addition, the first wear-resistant shaft sleeve 41 is installed in the connecting pin holes 4, the strength of the connecting pin holes is improved, and the maintenance cost is reduced.
The utility model also provides a dig the rig soon, dig the rig soon and be provided with pressure disk under the foretell unit head.
Since the power head lower pressure plate has the beneficial effects, the rotary drilling rig provided with the linkage power head lower pressure plate also has the beneficial effects, and specific embodiments can refer to the embodiment of the power head lower pressure plate, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a pressure disk under rotary drilling rig unit head which characterized in that includes:
a chassis (1);
the pressure plate sleeve (2) is arranged on the chassis (1), and the top of the pressure plate sleeve (2) is provided with a contact sleeve part (3) corresponding to a reduction gearbox sleeve (6) of the power head (8); wherein,
the pressure plate sleeve (2) is characterized in that at least three connecting pin holes (4) are further formed in the side wall.
2. The rotary drilling rig power head lower pressure plate according to claim 1, characterized in that four connecting pin holes (4) are arranged on the pressure plate sleeve (2); wherein,
and a first wear-resistant shaft sleeve (41) is arranged in each connecting pin hole (4).
3. The rotary drilling rig power head lower pressure plate according to claim 2, characterized in that four connecting pin holes (4) are arranged on the pressure plate sleeve (2) at equal intervals.
4. The power head lower pressure plate of the rotary drilling rig according to claim 1, wherein three connecting pin holes (4) are formed in the side wall of the pressure plate sleeve (2); or,
six connecting pin holes (4) are formed in the side wall of the pressure plate sleeve (2); or,
eight connecting pin holes (4) are formed in the side wall of the pressure plate sleeve (2).
5. The power head lower pressure plate of the rotary drilling rig according to claim 1, wherein a plurality of rib plates (5) are fixed between the pressure plate sleeve (2) and the chassis (1).
6. The rotary drilling rig power head lower pressure plate according to any one of claims 1 to 5, characterized in that the connecting pin hole (4) is a pin hole formed in the side wall of the pressure plate sleeve (2); and/or the presence of a gas in the gas,
the pressure plate sleeve (2) is also provided with a plurality of process holes (21).
7. The rotary drilling rig power head lower pressure plate according to any one of claims 1-5, characterized in that the contact socket (3) comprises:
an outer shaft sleeve section (31) matched with the outer diameter of the reduction gearbox sleeve (6); and the number of the first and second groups,
and a sleeve contact surface (32) which is arranged on the inner side of the outer shaft sleeve section (31) and is in contact with the reduction gearbox sleeve (6).
8. A rotary drilling rig, characterized in that the rotary drilling rig is provided with a power head lower pressure plate according to any one of claims 1-7.
9. The rotary drilling rig according to claim 8, wherein the rotary drilling rig is provided with a reduction gearbox sleeve (6) mounted on the power head (8);
the bottom of the reduction gearbox sleeve (6) is provided with a plurality of connecting lug plates (7) corresponding to the connecting pin holes (4);
the connecting lug plate (7) is provided with a lug plate pin hole (71); and a second wear-resistant sleeve (72) is arranged in the lug plate pin hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857349.2U CN204703755U (en) | 2014-12-30 | 2014-12-30 | Rotary drilling rig and unit head pressing disc thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857349.2U CN204703755U (en) | 2014-12-30 | 2014-12-30 | Rotary drilling rig and unit head pressing disc thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204703755U true CN204703755U (en) | 2015-10-14 |
Family
ID=54283380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420857349.2U Expired - Fee Related CN204703755U (en) | 2014-12-30 | 2014-12-30 | Rotary drilling rig and unit head pressing disc thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204703755U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545206A (en) * | 2016-01-28 | 2016-05-04 | 国家电网公司 | Protection cylinder pressing device of rotary drilling rig |
| CN105735251A (en) * | 2016-01-26 | 2016-07-06 | 赵立财 | Bridge pile foundation rotary excavating drilling rig cutting type whole guard barrel follow-up pile forming construction method and system |
| CN113250603A (en) * | 2021-05-06 | 2021-08-13 | 北京欧钻科技有限公司 | Power head assembly of rotary digging machine and rotary digging machine |
-
2014
- 2014-12-30 CN CN201420857349.2U patent/CN204703755U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735251A (en) * | 2016-01-26 | 2016-07-06 | 赵立财 | Bridge pile foundation rotary excavating drilling rig cutting type whole guard barrel follow-up pile forming construction method and system |
| CN105545206A (en) * | 2016-01-28 | 2016-05-04 | 国家电网公司 | Protection cylinder pressing device of rotary drilling rig |
| CN113250603A (en) * | 2021-05-06 | 2021-08-13 | 北京欧钻科技有限公司 | Power head assembly of rotary digging machine and rotary digging machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |