CN202417311U - Arm-embraced torque transmission device of rotary drilling rig - Google Patents
Arm-embraced torque transmission device of rotary drilling rig Download PDFInfo
- Publication number
- CN202417311U CN202417311U CN 201120531849 CN201120531849U CN202417311U CN 202417311 U CN202417311 U CN 202417311U CN 201120531849 CN201120531849 CN 201120531849 CN 201120531849 U CN201120531849 U CN 201120531849U CN 202417311 U CN202417311 U CN 202417311U
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- arm
- embraced
- annular
- mast
- lower frame
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Abstract
The utility model relates to the field of engineering machinery auxiliary equipment and in particular relates to an arm-embraced torque transmission device of a rotary drilling rig. The arm-embraced torque transmission device comprises an upper frame body which is connected with a movable arm of an excavating machine and a bucket arm cylinder, and a lower frame body one side of which is used for mounting a winch base, wherein the other side of the lower frame body is provided with at least two annular embraced arms which have the same mandrel from top to bottom; and each annular embraced arm is internally provided with a double-guide structure, and the double-guide structure comprises two symmetric longitudinal guide keyways which are arranged between the annular embraced arms and a centering and guiding cushion block which is uniformly distributed at the inner side of each annular embraced arm. A slewing bearing rotates for a certain angle under the action of a driving cylinder, thus a mast arranged in each embraced arm rotates, and the verticality of the mast can be conveniently adjusted; meanwhile, the longitudinal guide keyways are matched with keys on the mast, the centering and guiding cushion block is matched with the outer arm of the mast to form the double-guide structure, and the verticality of the mast also can be guaranteed; and besides, a drill rod is positioned in the mast, and the upper end and lower end of the drill rod are guided, thus the verticality of drilling is further guaranteed, and deviation is avoided.
Description
Technical field
The utility model relates to engineering machinery auxiliary equipment field, is specially a kind of arm-type torsion pass device of embracing of rotary drilling rig.
Background technology
The existing building construction field receives the place spatial constraints, has developed the rotary drilling rig that is installed on the excavator, yet, still there is not suitable torsion pass device so that both effectively cooperate, transfer torque is also avoided taking place such as situations such as boring generation skews.
Summary of the invention
The purpose of the utility model is to overcome the defective that the existing rotary drilling rig that is installed on the excavator does not have suitable torsion pass device, and a kind of rotary drilling rig torsion pass device with correction and two guide functions is provided.
In order to achieve the above object, the utility model is achieved in that
A kind of armful arm-type torsion pass device of rotary drilling rig, it comprises the upper frame that is connected with bucket arm cylinder with excavator swing arm; One side is used to install the lower frame of elevator support, and the opposite side of this lower frame is provided with going in ring of at least two coaxial core from top to bottom and embraces arm; Annular is embraced in the arm and is provided with dual-guiding structure, and said dual-guiding structure comprises the longitudinally guiding keyway that is arranged at two symmetries between annular armful arm, is evenly arranged in one group of centering pilot cushion block that each annular is embraced arm and lower frame medial surface.
Armful arm-type torsion pass device of described rotary drilling rig, longitudinally guiding keyway inner surface is equipped with wearable plate.
Armful arm-type torsion pass device of described rotary drilling rig also comprises a pivoting support, and upper frame is connected through pivoting support with lower frame, and this pivoting support is by the driving oil cylinder control of being located at its both sides.
The driving oil cylinder of said control pivoting support, the one of which end is fixed in upper frame, and the other end is fixed in lower frame.
Armful arm-type torsion pass device of described rotary drilling rig, said one group of centering pilot cushion block that is evenly arranged in each annular armful arm and lower frame medial surface, the quantity of this centering pilot cushion block is three.
The utility model adopts above-mentioned design, and pivoting support can rotate to an angle under the effect of driving oil cylinder, thereby the drilling rod that is installed in armful arm is rotated; Simultaneously; The longitudinally guiding keyway matches with key on the mast, and the centering pilot cushion block matches with the mast outer arm, forms a dual-guiding structure; Also can guarantee the verticality of mast, the situation of avoiding drilling rod to depart from.
Description of drawings
Fig. 1 is the axonometric drawing of the utility model.
Fig. 2 is the structural representation of the utility model.
The specific embodiment
Below further specify the utility model through specific embodiment.
Like Fig. 1, shown in Figure 2, a kind of armful arm-type torsion pass device of rotary drilling rig, it comprises the upper frame 2 that is connected with bucket arm cylinder with excavator swing arm; One side is used to install the lower frame 1 of elevator support 4, and the annular that the opposite side of this lower frame 1 is made up of the donought beam that is provided with four coaxial core is from top to bottom embraced arm 3; Lower frame 1 is connected with upper frame 2 through pivoting support 6; It also comprises a dual-guiding structure, and said dual-guiding structure comprises the longitudinally guiding keyway 5 of two symmetries being located at annular armful arm 3 inner arm both sides and is evenly arranged in three centering pilot cushion blocks 8 that are used for mast centering that annular is embraced arm 3 and lower frame 1 medial surface.
Be used to connect the pivoting support 6 of lower frame 1 and upper frame 2, by the driving oil cylinder that is positioned at its both sides 7 controls, described driving oil cylinder 7 one of which ends are fixed on the lower frame 1, and the other end is fixed on the upper frame 2.
Armful arm-type torsion pass device of described rotary drilling rig, longitudinally guiding keyway 5 inner surfaces are equipped with wearable plate.
The advantage of the utility model is that pivoting support can rotate to an angle under the effect of driving oil cylinder; Thereby make to be installed on the mast of embracing in the arm and to rotate, simultaneously, the longitudinally guiding keyway matches with key on the mast outer arm; Be evenly arranged in annular in addition and embrace the inboard centering pilot cushion block 8 of arm; Constitute two groups of guide frames (both dual-guiding structures),, thereby guarantee that the situation of avoiding mast to depart from takes place for vertically moving of mast provides dual guiding.
Claims (5)
- A rotary drilling rig embrace arm-type torsion pass device, it comprises the upper frame that is connected with bucket arm cylinder with excavator swing arm; One side is used to install the lower frame of elevator support, and the opposite side of this lower frame is provided with going in ring of at least two coaxial core from top to bottom and embraces arm; It is characterized in that: annular is embraced in the arm and is provided with dual-guiding structure, and said dual-guiding structure comprises the longitudinally guiding keyway that is arranged at two symmetries between annular armful arm, is evenly arranged in one group of centering pilot cushion block that each annular is embraced arm and lower frame medial surface.
- Rotary drilling rig according to claim 1 embrace arm-type torsion pass device, it is characterized in that: longitudinally guiding keyway inner surface is equipped with wearable plate.
- Rotary drilling rig according to claim 1 embrace arm-type torsion pass device, it is characterized in that: also comprise a pivoting support, upper frame is connected through pivoting support with lower frame, this pivoting support is controlled by the driving oil cylinder of being located at its both sides.
- Rotary drilling rig according to claim 3 embrace arm-type torsion pass device, it is characterized in that: the driving oil cylinder of said control pivoting support, the one of which end is fixed in upper frame, the other end is fixed in lower frame.
- Rotary drilling rig according to claim 1 embrace arm-type torsion pass device, it is characterized in that: saidly be evenly arranged in one group of centering pilot cushion block that each annular is embraced arm and lower frame medial surface, the quantity of this centering pilot cushion block is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120531849 CN202417311U (en) | 2011-12-19 | 2011-12-19 | Arm-embraced torque transmission device of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120531849 CN202417311U (en) | 2011-12-19 | 2011-12-19 | Arm-embraced torque transmission device of rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202417311U true CN202417311U (en) | 2012-09-05 |
Family
ID=46742084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120531849 Expired - Lifetime CN202417311U (en) | 2011-12-19 | 2011-12-19 | Arm-embraced torque transmission device of rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202417311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638601A (en) * | 2016-12-08 | 2017-05-10 | 长沙天为工程机械制造有限公司 | Pile catcher and pile catching machine provided with pile catcher |
-
2011
- 2011-12-19 CN CN 201120531849 patent/CN202417311U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638601A (en) * | 2016-12-08 | 2017-05-10 | 长沙天为工程机械制造有限公司 | Pile catcher and pile catching machine provided with pile catcher |
| CN106638601B (en) * | 2016-12-08 | 2019-06-07 | 长沙天为工程机械制造有限公司 | It is a kind of to grab a device and grab a machine equipped with what this grabbed a device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |