CN214741066U - Rotary drilling machine power head buffer mechanism, rotary drilling machine power head device and rotary drilling rig - Google Patents
Rotary drilling machine power head buffer mechanism, rotary drilling machine power head device and rotary drilling rig Download PDFInfo
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- CN214741066U CN214741066U CN202120143113.2U CN202120143113U CN214741066U CN 214741066 U CN214741066 U CN 214741066U CN 202120143113 U CN202120143113 U CN 202120143113U CN 214741066 U CN214741066 U CN 214741066U
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Abstract
A rotary excavating machine power head buffer mechanism, a rotary excavating machine power head device and a rotary excavating drilling machine are disclosed, wherein the buffer mechanism comprises a power box, a driving cylinder, a buffer sleeve and a buffer unit, the power box is provided with a power output flange, the driving cylinder is provided with a connecting flange, the connecting flange is connected with the power output flange, and the power box is used for driving the driving cylinder to rotate; the driving cylinder is used for being connected with the drill rod and can drive the drill rod to rotate under the driving of the power box; the buffer sleeve is sleeved outside the driving cylinder and is matched with the driving cylinder in a sliding way in the axial direction of the driving cylinder; one end of the buffer unit is connected with the buffer sleeve, and the other end of the buffer unit is connected with the connecting flange. When the cushion collar receives the impact force of drilling rod, directly transmit the impact force to the power take off flange through the elastic component, also directly transmit to the headstock, the driving cylinder can not receive the impact force, and the driving cylinder is difficult to be damaged, uses safe and reliable.
Description
Technical Field
The utility model relates to an engineering machine tool field particularly, relates to a dig quick-witted unit head buffer gear soon, dig quick-witted unit head device soon and dig the rig soon.
Background
The power head is an important component of the rotary drilling rig and provides torque, pressure and buffer impact for drilling of the drilling rig. The rotary drilling rig has the characteristics of high installed power, large output torque, good hole forming quality, flexible and convenient operation, high construction efficiency, small environmental pollution and the like, is matched with different drilling tools, adapts to geological conditions in most areas of China, and becomes an important construction machine suitable for cast-in-situ bored pile construction in building foundation engineering. The power head of the rotary drilling rig generally comprises a power box, a speed reducer and a buffer device. The hydraulic motor is connected with the power input side of the speed reducer, and the power output side of the speed reducer is connected with the drilling tool through the power box; the buffer device can bear the heavy smash of the instantaneous falling of the drill rod and protect the parts such as the power box and the like.
Research shows that the power head of the conventional rotary drilling rig has the following defects:
the structure is poor in stress and easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dig quick-witted unit head buffer gear soon, dig quick-witted unit head device soon and dig the rig soon, it can optimize the structure atress, and is not fragile, and long service life improves the security, reduce cost.
The embodiment of the utility model is realized like this:
in a first aspect, the utility model provides a dig quick-witted unit head buffer gear soon, include:
the power box is provided with a power output flange, the driving cylinder is provided with a connecting flange, the connecting flange is connected with the power output flange, and the power box is used for driving the driving cylinder to rotate; the driving cylinder is used for being connected with the drill rod and can drive the drill rod to rotate under the driving of the power box; the buffer sleeve is sleeved outside the driving cylinder and is matched with the driving cylinder in a sliding way in the axial direction of the driving cylinder; one end of the buffer unit is connected with the buffer sleeve, and the other end of the buffer unit is connected with the connecting flange.
In optional embodiment, the power box still includes box, driver, drive assembly and driving drum, and driver, drive assembly and driving drum all locate on the box, and the driver is connected with drive assembly, and drive assembly is connected with driving drum, and driving drum and power take off flange joint.
In an alternative embodiment, the transmission assembly is provided as a geared transmission assembly.
In an alternative embodiment, the buffer sleeve comprises a sleeve body and an annular assembling plate, the annular assembling plate is sleeved outside the sleeve body, and one end of the buffer unit is connected with the annular assembling plate.
In an alternative embodiment, the buffer unit comprises an elastic member and a guide member, wherein the elastic member is arranged between the annular assembling plate and the connecting flange and is used for enabling the buffer sleeve to have a movement trend away from the connecting flange; one end and the flange connection of guide, the other end and the annular assembly plate of guide are connected, and the cushion collar cooperates with guide slidable.
In an alternative embodiment, the guide element extends through the connecting flange and is fixedly connected to the power take-off flange.
In alternative embodiments, the resilient member is a spring, rubber, hydraulic or pneumatic damper.
In an alternative embodiment, the outer contour of the annular mounting plate, which is orthographic in a plane perpendicular to the axial direction of the damping sleeve, is located in the region enclosed by the outer edge of the connecting flange.
In a second aspect, the utility model provides a dig quick-witted unit head device soon, dig quick-witted unit head device soon and include:
the rotary excavator power head buffering mechanism of any one of the preceding embodiments.
The third aspect, the utility model provides a dig rig soon includes:
the power head device of the rotary excavating machine of the embodiment.
The embodiment of the utility model provides a beneficial effect is:
to sum up, this embodiment provides a dig quick-witted unit head buffer gear soon, and the one end and the cushion collar of buffer unit are connected, and the other end is direct to be connected with power take off flange, promptly, buffer unit is direct to be connected with the headstock. So design, the impact force that buffer unit received directly transmits to the headstock, and need not transmit impact force to the driving barrel earlier, and rethread driving barrel transmits to the headstock, has reduced the middle biography power structure of locating on the driving barrel, and the unit head operation in-process, the driving barrel only bears the moment of torsion, and can not bear the buffer force, and the atress of driving barrel is simpler, and the atress is better, is difficult for being damaged, long service life, unit head buffer gear uses safe and reliable more.
Meanwhile, the buffer unit is directly arranged on the buffer sleeve and the power output flange, so that a middle force transmission structure is reduced, the longitudinal size of the power head is reduced, the size of the power head is small, the operation under a low-clearance environment is facilitated, the operation range of the power head is improved, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a power head buffer mechanism of a rotary drilling machine according to an embodiment of the present invention;
fig. 2 is an exploded schematic structural view of a part of a structure of a power head buffer mechanism of a rotary drilling machine according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a part of the structure of the power head buffer mechanism of the rotary drilling machine according to the embodiment of the present invention;
fig. 4 is a schematic structural view of the power head device of the rotary drilling machine according to the embodiment of the present invention.
Icon:
001-rotary excavator power head device; 100-a power box; 110-a power take-off flange; 120-a transmission cylinder; 200-driving the cylinder; 210-a connecting flange; 300-a buffer sleeve; 310-a sleeve body; 320-annular assembly plate; 330-rib plate; 400-a buffer unit; 410-an elastic member; 420-a guide; 430-a screw cap; 002-a carriage; 003-connecting frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The existing power head device of the rotary drilling machine is characterized in that one end of a buffer structure arranged between an upper pressing sleeve and a key sleeve body 310 is connected with the upper pressing sleeve, the other end of the buffer structure is connected with a bearing disc arranged on the outer peripheral surface of the key sleeve body 310, and rib plates 330 are further arranged on the outer peripheral surface of the bearing disc and the key sleeve body 310, namely, when the buffer structure receives external force acting on the upper pressing sleeve when a drill rod falls, the buffer structure firstly transmits the external force to the bearing disc, then transmits the external force to the key sleeve body 310 through the bearing disc, and finally transmits the external force to a power box 100 connected with the key sleeve body 310. In addition, the distance between the buffer structure and the power box 100 is increased due to the structural design of the bearing plate, so that the height of the key sleeve body 310 is increased, namely the overall height of the power head device is increased, the effect under the low-clearance environment is not facilitated, the operating range of the rotary excavator is small, and the cost is increased.
Referring to fig. 1 to fig. 3, in view of this, the present embodiment provides a power buffering mechanism for a rotary drilling machine, wherein an external force applied to a buffering unit 400 by a drill rod is directly transmitted to a power box 100, and a driving cylinder 200 is only used for transmitting a torque, is simply stressed, and is not easily damaged. Meanwhile, a bearing plate is not required to be arranged, the height of the driving cylinder 200 is reduced, the height of the power head device is also reduced, the rotary excavating machine can operate in a low-clearance environment, the application range is wide, and the construction cost is low.
The driving cylinder 200 may also be referred to as a key housing 310. In addition, the low-clearance environment means that the longitudinal space of the operation environment is limited, and a barrier is arranged at the top of the construction environment, so that the top movement space of the rotary drilling rig is limited.
Referring to fig. 1, in the present embodiment, a buffering mechanism of a power head of a rotary drilling machine includes:
the power box 100 is provided with a power output flange 110, the driving cylinder 200 is provided with a connecting flange 210, the connecting flange 210 is connected with the power output flange 110, and the power box 100 is used for driving the driving cylinder 200 to rotate; the driving cylinder 200 is used for connecting with a drill rod and can drive the drill rod to rotate under the driving of the power box 100; the buffer sleeve 300 is sleeved outside the driving cylinder 200 and is slidably matched with the driving cylinder 200 in the axial direction of the driving cylinder 200; one end of the buffer unit 400 is connected to the buffer housing 300, and the other end of the buffer unit 400 is connected to the connection flange 210.
In the buffering mechanism for the power head of the rotary drilling machine provided by this embodiment, one end of the buffering unit 400 is connected to the buffering sleeve 300, and the other end is directly connected to the power output flange 110, that is, the buffering unit 400 is directly connected to the power box 100. So designed, the impact force that buffer unit 400 received directly transmits to headstock 100, and need not transmit impact force to driving barrel 200 earlier, rethread driving barrel 200 transmits to headstock 100, the middle biography power structure on locating driving barrel 200 has been reduced, the unit head operation in-process, driving barrel 200 only bears the moment of torsion, and can not bear the buffer power, driving barrel 200's atress is simpler, the atress is better, be difficult for being damaged, long service life, unit head buffer gear uses safe and reliable more.
Meanwhile, the buffer unit 400 is directly arranged on the buffer sleeve 300 and the power output flange 110, so that a middle force transmission structure is reduced, namely a bearing disc is reduced, the longitudinal size of the power head is reduced, the size of the power head is small, the power head can operate in a low-clearance environment conveniently, the operating range of the power head is expanded, and the cost is reduced.
In this embodiment, the power box 100 further includes a box body for connecting with the carriage 002, a driver, a transmission assembly and a transmission cylinder 120. The driver comprises a motor and a speed reducer connected with the motor, and the motor and the speed reducer are both connected with the box body. The transmission assembly is a gear transmission assembly and is arranged in the box body. The transmission cylinder 120 is rotatably connected with the box body, the output part of the speed reducer is connected with the transmission assembly, the transmission assembly is connected with the transmission cylinder 120, and the motor is started to drive the transmission cylinder 120 to rotate through the speed reducer and the transmission assembly. The power output flange 110 is fixedly connected with the transmission cylinder 120, and the transmission cylinder 120 rotates to drive the power output flange 110 to rotate, so that the drill rod is driven to rotate.
It should be understood that the transmission assembly may not be limited to being a gear transmission assembly.
Further, the transmission cylinder 120 is connected to the power output flange 110 by screws. The power output flange 110 has a first flange connection portion and a second flange connection portion, the first flange connection portion is fixedly connected to the transmission cylinder 120 by screws, and the second flange portion is fixedly connected to the connection flange 210 of the driving cylinder 200 by screws.
It should be understood that the number of screws connecting the first flange portion and the transmission cylinder 120 is set as required, and the number of screws connecting the second flange portion and the connection flange 210 is set as required. And a plurality of screws are all evenly spaced in the circumferential direction of the power take-off flange 110.
Furthermore, the second flange part is also provided with a plurality of first fastening holes, and when the number of the first fastening holes is large, the first fastening holes are uniformly distributed at intervals in the circumferential direction of the second flange part.
In this embodiment, optionally, a part of the driving cylinder 200 is inserted into the power output flange 110, and the connecting flange 210 on the driving cylinder 200 is abutted against the second flange part of the power output flange 110 and is fixedly connected by screws.
Further, the connecting flange 210 is further provided with a plurality of second fastening holes, and when the number of the second fastening holes is multiple, the plurality of second fastening holes are uniformly distributed at intervals in the circumferential direction of the connecting flange 210.
Referring to fig. 2, in the embodiment, optionally, the buffer unit 400 includes an elastic member 410, a guide member 420, and a nut 430, the elastic member 410 is configured as a spring, the elastic member 410 is sleeved outside the guide member 420, and one end of the guide member 420 passes through the second fastening hole and then is screwed and fixed with the first fastening hole. The other end of the guide member 420 is connected to the cushion sleeve 300, and the cushion sleeve 300 is slidably fitted to the guide member 420. A nut 430 is threadedly engaged with an end of the guide member 420 remote from the coupling flange 210 to prevent the cushion collar 300 from being removed from the guide member 420 in a direction away from the coupling flange 210.
The elastic member 410 may be a rubber member, a hydraulic damper, a pneumatic damper, or the like.
Referring to fig. 3, in the present embodiment, optionally, the buffering sleeve 300 includes a sleeve body 310 and an annular assembling plate 320 connected to each other, and the sleeve body 310 is sleeved outside the driving cylinder 200 and slidably engaged with the driving cylinder 200 in the axial direction of the driving cylinder 200. The annular assembling plate 320 is sleeved outside the sleeve body 310. One end of the guide member 420 penetrates the annular mounting plate 320, the elastic member 410 is positioned between the annular mounting plate 320 and the connection flange 210, the nut 430 is screwed on one end of the guide member 420 penetrating the annular mounting plate 320, and the annular mounting plate 320 is positioned between the elastic member 410 and the nut 430, and the elastic member 410 is used for enabling the buffering sleeve 300 to have a movement tendency away from the connection flange 210, thereby playing a role of buffering when the drill rod is pressed on the buffering sleeve 300.
In this embodiment, the cushion collar 300 further includes a plurality of rib plates 330, the rib plates 330 are connected to the collar 310 and the annular assembling plate 320, and the rib plates 330 are located on the side of the annular assembling plate 320 far away from the connecting flange 210, so as to not easily interfere with the elastic member 410, thereby facilitating assembly. The rib plate 330 is supported on the annular assembling plate 320 to reinforce the structural strength of the annular assembling plate 320, and the annular assembling plate 320 is not easily damaged.
In the buffering mechanism for the power head of the rotary drilling machine provided by this embodiment, the sleeve body 310 of the buffering sleeve 300 is sleeved outside the driving cylinder 200, the elastic member 410 is arranged between the annular assembling plate 320 on the sleeve body 310 and the connecting flange 210 of the driving cylinder 200, one end of the guiding member 420 is connected with the annular assembling plate 320, and the other end of the guiding member passes through the connecting flange 210 and is directly connected with the second flange part of the power output flange 110. Meanwhile, the second flange portion is fixedly connected with the connection flange 210. The first flange portion of the power output flange 110 is fixedly connected to the transmission cylinder 120. In this way, the power output by the power box 100 is transmitted to the power output flange 110 through the transmission cylinder 120, and is transmitted to the drill rod inserted in the driving cylinder 200 through the driving cylinder 200 to rotate. When the buffer sleeve 300 is impacted by the drill rod, the impact force is directly transmitted to the power output flange 110 through the elastic element 410, namely directly transmitted to the power box 100, the driving cylinder 200 cannot be impacted, the driving cylinder 200 is not easy to be damaged, and the use is safe and reliable.
Meanwhile, after the buffer sleeve 300 is rotationally matched with the driving cylinder 200, the outer contour of the orthographic projection of the annular assembling plate 320 on the buffer sleeve 300 in the plane perpendicular to the axial direction of the buffer sleeve 300 is located in the area surrounded by the outer edge of the connecting flange 210, so that the guide piece 420 is arranged along the axial direction of the driving cylinder 200, the connecting flange 210 can be provided with a second fastening hole for the guide piece 420 to penetrate through, and the structural strength of the guide piece 420 and the connecting flange 210 is improved.
The rotary excavating machine power head buffer mechanism provided by the embodiment is reasonable in structure, the driving cylinder 200 is simple in stress, not easy to damage, high in safety and capable of reducing maintenance and replacement cost.
Referring to fig. 4, the embodiment further provides a power head device 001 of the rotary drilling machine, which includes a carriage 002, a connecting frame 003 and the power buffering mechanism of the rotary drilling machine mentioned in the above embodiments. The carriage 002 and the link are both connected to the power box 100. The carriage 002 is adapted to slidably engage the mast.
The embodiment further provides a rotary drilling rig, which comprises a drill rod and the rotary drilling rig power device mentioned in the embodiment, wherein the drill rod is inserted into the driving cylinder 200 and is connected with the driving cylinder 200 in a key mode, and the driving cylinder 200 rotates to drive the drill rod to rotate together.
The rotary drilling rig provided by the embodiment has a firm and reliable structure and high use safety; meanwhile, the power head device is small in height and suitable for operation in a low-headroom environment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a dig quick-witted unit head buffer gear soon which characterized in that includes:
the power box is provided with a power output flange, the driving cylinder is provided with a connecting flange, the connecting flange is connected with the power output flange, and the power box is used for driving the driving cylinder to rotate; the driving cylinder is used for being connected with a drill rod and can drive the drill rod to rotate under the driving of the power box; the buffer sleeve is sleeved outside the driving cylinder and is matched with the driving cylinder in a sliding manner in the axial direction of the driving cylinder; one end of the buffer unit is connected with the buffer sleeve, and the other end of the buffer unit is connected with the connecting flange.
2. The rotary excavating machine power head buffering mechanism according to claim 1, characterized in that:
the power box further comprises a box body, a driver, a transmission assembly and a transmission cylinder, wherein the driver is arranged on the box body, the transmission assembly is arranged on the transmission cylinder, the driver is connected with the transmission assembly, the transmission assembly is connected with the transmission cylinder, and the transmission cylinder is connected with the power output flange.
3. The rotary excavating machine power head buffering mechanism according to claim 2, characterized in that:
the transmission assembly is configured as a gear transmission assembly.
4. The rotary excavating machine power head buffering mechanism according to claim 1, characterized in that:
the buffer sleeve comprises a sleeve body and an annular assembling plate, the annular assembling plate is sleeved outside the sleeve body, and one end of the buffer unit is connected with the annular assembling plate.
5. The rotary excavating machine power head buffering mechanism according to claim 4, characterized in that:
the buffer unit comprises an elastic piece and a guide piece, and the elastic piece is arranged between the annular assembling plate and the connecting flange and is used for enabling the buffer sleeve to have a movement trend away from the connecting flange; one end of the guide piece is connected with the connecting flange, the other end of the guide piece is connected with the annular assembling plate, and the buffer sleeve is matched with the guide piece in a sliding mode.
6. The rotary excavating machine power head buffering mechanism according to claim 5, characterized in that:
the guide piece penetrates through the connecting flange and is fixedly connected with the power output flange.
7. The rotary excavating machine power head buffering mechanism according to claim 5, characterized in that:
the elastic piece is a spring, rubber, a hydraulic buffer or a pneumatic buffer.
8. The rotary excavating machine power head buffering mechanism according to claim 4, characterized in that:
the outer contour of the orthographic projection of the annular assembling plate in a plane perpendicular to the axial direction of the buffer sleeve is positioned in an area enclosed by the outer edge of the connecting flange.
9. The utility model provides a dig quick-witted unit head device soon which characterized in that, dig quick-witted unit head device soon includes:
the rotary excavator power head buffering mechanism of any one of claims 1-8.
10. A rotary drilling rig, characterized in that, the rotary drilling rig includes:
the rotary excavator power head apparatus of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143113.2U CN214741066U (en) | 2021-01-19 | 2021-01-19 | Rotary drilling machine power head buffer mechanism, rotary drilling machine power head device and rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120143113.2U CN214741066U (en) | 2021-01-19 | 2021-01-19 | Rotary drilling machine power head buffer mechanism, rotary drilling machine power head device and rotary drilling rig |
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| CN214741066U true CN214741066U (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727347A (en) * | 2021-01-19 | 2021-04-30 | 北京欧钻科技有限公司 | Rotary drilling machine power head buffer mechanism, rotary drilling machine power head device and rotary drilling rig |
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2021
- 2021-01-19 CN CN202120143113.2U patent/CN214741066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727347A (en) * | 2021-01-19 | 2021-04-30 | 北京欧钻科技有限公司 | Rotary drilling machine power head buffer mechanism, rotary drilling machine power head device and rotary drilling rig |
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