CN212376622U - Large-diameter rock mass taking device used in hard rock layer construction - Google Patents
Large-diameter rock mass taking device used in hard rock layer construction Download PDFInfo
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- CN212376622U CN212376622U CN202020784122.5U CN202020784122U CN212376622U CN 212376622 U CN212376622 U CN 212376622U CN 202020784122 U CN202020784122 U CN 202020784122U CN 212376622 U CN212376622 U CN 212376622U
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- barrel
- rock mass
- rock
- taking device
- trapezoidal wedge
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Abstract
The utility model discloses a rock mass device is got to major diameter for in hard rock formation construction belongs to building construction equipment field for the major diameter in hard rock formation construction gets rock mass device and includes barrel, drill pipe connector with welded fastening between the barrel, outside drill pipe passes the drill pipe connector with the connection can be dismantled to the drill bit, trapezoidal wedge, the shape of trapezoidal wedge is right trapezoid, trapezoidal wedge welding is fixed in the barrel is inboard and distance two-thirds of barrel bottom open end height. The utility model discloses a rock mass device is got to major diameter for in hard rock formation construction, is getting the rock in-process, utilizes the trapezoidal wedge in the barrel to block the rock mass, guarantees that the rock mass can not drop from in the barrel.
Description
Technical Field
The utility model relates to a building construction equipment field especially relates to a rock mass device is got to major diameter for in hard rock formation construction.
Background
When the hard rock stratum drill bit is used for construction, a rock body in a drill hole needs to be taken out through the rock taking device, and the prior art mainly adopts two rock taking devices of a helical blade type and a barrel type.
The helical blade type rock taking device is characterized in that after a drill bit drills into a rock body, the drill bit is lifted upwards, and a part of the rock body slides off the helical blade in the process of lifting the drill bit, so that the construction efficiency is reduced.
The barrel type rock taking device is generally barrel-shaped, a rock inlet is formed in the bottom of the barrel, a drilling machine is connected above the barrel, the barrel is driven by the drilling machine to rotate in a rotary mode, and after rock mass is filled in the barrel, the barrel is lifted up to carry out rock taking operation. In the process of lifting the cylinder body, the rock inlet is always open, so that rock mass can fall from the cylinder body.
The rock device is got to above two kinds all has the rock mass to follow the condition that drops in getting the rock device.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a large diameter that is arranged in hard rock formation construction is provided and is got rock mass device is getting the rock in-process, utilizes the trapezoidal wedge in the barrel to block the rock mass, guarantees that the rock mass can not drop from in the barrel.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a large diameter gets rock mass device for in hard rock formation construction, including the barrel, the barrel is hollow, both ends all set up the opening drilling rod connector about the barrel, drilling rod connector bottom surface size with barrel top opening size is equivalent, drilling rod connector with welded fastening between the barrel, outside drilling rod passes the drilling rod connector with the barrel can be dismantled and be connected, the trapezoidal wedge, the shape of trapezoidal wedge is right trapezoid, trapezoidal wedge welded fastening is in the barrel inboard and apart from two thirds of barrel height of barrel bottom open end;
preferably, an included angle between the upper top surface of the trapezoidal wedge and the inclined plane is 60-75 degrees;
preferably, the trapezoidal wedge comprises a carcass and a tungsten steel bar welded to the carcass surface;
preferably, a plurality of guide tooth openings are circumferentially distributed at the bottom of the cylinder body;
preferably, the upper end and the lower end of the cylinder body are provided with a plurality of slurry discharge ports which are circumferentially distributed around the axial line of the upper end and the lower end of the cylinder body;
preferably, the outer wall of the cylinder body is provided with a plurality of slag outlets;
preferably, the drill pipe connector is welded with four wing plates, the four wing plates are circumferentially welded on the outer wall of the drill pipe connector, and the shape of the drill pipe connector is triangular.
The utility model has the advantages that:
1. the trapezoidal wedge is arranged on the inner wall of the barrel, the side edge of the trapezoidal wedge plays a role in clamping a taken rock mass, the rock mass is guaranteed not to fall off from the barrel, in addition, the rock mass is cut off and a drill core is clamped through the action of external power and the trapezoidal wedge, a large-diameter hard rock mass with the diameter of more than 1 m is directly taken out each time, repeated grinding is not needed, mechanical loss is reduced, labor hour is reduced, and the size of the taken rock mass is increased at the same time, so the rock taking device designed by the utility model can be applied to rock taking construction of deeper drilling;
2. the barrel is provided with a slag discharge port and a slurry discharge port, so that the rock taking device is prevented from being blocked by rock slag in the drilling process of the drill bit.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a large-diameter rock mass taking device for hard rock formation construction according to an embodiment of the present invention;
fig. 2 is an external structural diagram of a large-diameter rock mass taking device for hard rock formation construction according to an embodiment of the present invention;
fig. 3 is a top view of a large-diameter rock mass taking device for use in hard rock formation construction according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a trapezoidal wedge in a large-diameter rock mass taking device for hard rock formation construction according to an embodiment of the present invention;
fig. 5 is a construction schematic diagram of a large-diameter rock mass taking device used in hard rock formation construction provided in the embodiment of the present invention.
In the figure:
1. a drill pipe connector; 2. a wing plate; 3. a slag discharge port; 4. a barrel; 5. a guide tooth mouth; 6. a pulp discharge port; 7. a trapezoidal wedge; 8. a carcass; 9. tungsten steel strip.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-5, the large-diameter rock mass taking device for hard rock formation construction provided in this embodiment includes a barrel 4, the barrel 4 is hollow, openings are provided at both upper and lower ends of the barrel 4, a drill rod connector 1 is provided, the size of the bottom surface of the drill rod connector 1 is equal to that of the opening at the top of the barrel 4, the drill rod connector 1 is welded and fixed with the barrel 4, an external drill rod passes through the drill rod connector 1 and is detachably connected with the barrel 4, a trapezoidal wedge 7 is provided, the trapezoidal wedge 7 is in the shape of a right trapezoid, the trapezoidal wedge 7 is welded and fixed at the inner side of the barrel 4 and is two thirds of the height from the opening at the bottom of the barrel 4, the number of the trapezoidal wedges 7 is at least one, during the pore-forming rock taking process, a rock cylinder is formed by a drill bit, drill bit power is provided by an external motor through the drill rod, after the drill bit is, the drill rod connector 1 and an external drill rod are fixed through a detachable locking mechanism, for example, a hose clamp, the barrel 4 is sent to a rock mass position needing to be taken out, after the barrel 4 reaches a preset position, external power is transmitted to the barrel 4 through the drill rod connector 1, the inner side trapezoidal wedge 7 of the barrel 4 extrudes the rock mass according to the stress balance principle, the end part of the rock mass is broken, the rock mass enters the barrel 4 and is clamped by the trapezoidal wedge 7, the rock mass is lifted to the rock mass outside the hole through the external drill rod again and is taken out of the barrel 4, the steps are repeated, the rock taking process is achieved, and finally the designed drilling depth is achieved.
In order to guarantee the clamping force of the trapezoidal wedge on the rock mass to be got, further, debug trapezoidal wedge 7 through a large amount of experiments, when the contained angle between the last top surface that reachs trapezoidal wedge 7 and the inclined plane is between 60 ~75, can guarantee to get the rock mass and can not follow barrel 4 and drop.
In order to improve the wear resistance of the trapezoidal wedge, further, the trapezoidal wedge 7 comprises a carcass 8 and a tungsten steel strip 9, the tungsten steel strip 9 is welded on the surface of the carcass 8, the tungsten steel strip has high hardness, good weldability, high hardness and high wear resistance, the wear resistance of the trapezoidal wedge can be improved, and the service life of the trapezoidal wedge is prolonged.
In order to improve the rock taking efficiency, further, a plurality of guide tooth openings 5 are circumferentially distributed at the bottom of the cylinder body 4.
In order to make the device of getting rocks arrange thick liquid, further, barrel 4 both ends are provided with a plurality of thick liquid mouths 6 about, and a plurality of thick liquid mouths 6 are arranged around barrel 4 both ends axis circumference distribution about.
In order to discharge slag from the rock taking device, a plurality of slag discharge ports 3 are further formed in the outer wall of the cylinder 4.
In order to increase the stability between the drill pipe and the barrel, furthermore, the drill pipe connector 1 is welded with the wing plates 2, the number of the wing plates 2 is four, and the four wing plates 2 are circumferentially welded on the outer wall of the drill pipe connector 1.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (7)
1. A rock mass device is got to major diameter for in hard rock formation construction which characterized in that includes:
the barrel (4), the barrel (4) is hollow, and openings are formed in the upper end and the lower end of the barrel (4);
the size of the bottom surface of the drill rod connector (1) is equivalent to that of the top opening of the cylinder body (4), and the drill rod connector (1) and the cylinder body (4) are welded and fixed;
an outer drill rod detachably connected to the barrel (4) through the drill rod connector (1);
trapezoidal wedge (7), the shape of trapezoidal wedge (7) is right trapezoid, trapezoidal wedge (7) welded fastening in barrel (4) inboard and distance two thirds of a section of thick bamboo height of barrel (4) bottom open end.
2. A large-diameter rock mass taking device used in hard rock formation construction according to claim 1, characterized in that:
the included angle between the upper top surface of the trapezoidal wedge (7) and the inclined plane is 60-75 degrees.
3. A large-diameter rock mass taking device used in hard rock formation construction according to claim 1, characterized in that:
trapezoidal wedge (7) include matrix body (8) and tungsten steel strip (9), tungsten steel strip (9) weld in matrix body (8) surface.
4. A large-diameter rock mass taking device used in hard rock formation construction according to claim 1, characterized in that:
a plurality of guide tooth openings (5) are circumferentially distributed at the bottom of the cylinder body (4).
5. A large-diameter rock mass taking device used in hard rock formation construction according to claim 1, characterized in that:
a plurality of slurry discharging openings (6) are formed in the upper end and the lower end of the cylinder body (4), and the slurry discharging openings (6) are circumferentially distributed around the axis of the upper end and the lower end of the cylinder body (4).
6. A large-diameter rock mass taking device used in hard rock formation construction according to claim 1, characterized in that:
the outer wall of the barrel (4) is provided with a plurality of slag discharging openings (3).
7. A large-diameter rock mass taking device used in hard rock formation construction according to claim 1, characterized in that:
wing plates (2) are welded on the drill rod connector (1), the number of the wing plates (2) is four, and the four wing plates (2) are circumferentially welded on the outer wall of the drill rod connector (1);
the shape of the drill rod connector (1) is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784122.5U CN212376622U (en) | 2020-05-12 | 2020-05-12 | Large-diameter rock mass taking device used in hard rock layer construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784122.5U CN212376622U (en) | 2020-05-12 | 2020-05-12 | Large-diameter rock mass taking device used in hard rock layer construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212376622U true CN212376622U (en) | 2021-01-19 |
Family
ID=74177560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020784122.5U Active CN212376622U (en) | 2020-05-12 | 2020-05-12 | Large-diameter rock mass taking device used in hard rock layer construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212376622U (en) |
-
2020
- 2020-05-12 CN CN202020784122.5U patent/CN212376622U/en active Active
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