CN215864924U - Portable three-arch roadway peripheral hole arranging device - Google Patents
Portable three-arch roadway peripheral hole arranging device Download PDFInfo
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- CN215864924U CN215864924U CN202022832680.7U CN202022832680U CN215864924U CN 215864924 U CN215864924 U CN 215864924U CN 202022832680 U CN202022832680 U CN 202022832680U CN 215864924 U CN215864924 U CN 215864924U
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Abstract
The utility model discloses a portable three-arch roadway peripheral hole arranging device which comprises a paint spraying arm, wherein one end of the paint spraying arm is fixedly connected with a guide wheel, and the other end of the paint spraying arm penetrates through a fixed pipe body and is fixed in the fixed pipe body; the bottom of the fixed pipe body is sequentially connected with a center line disc, a telescopic pipe body and a locator dial plate, and the fixed pipe body is rotationally connected with the center line disc; the center positions of the four parts are connected through a central disk shaft; the position of the telescopic pipe body, which is close to the dial plate of the position indicator, is fixedly connected with a leveling bubble; the guide wheel is connected with a guide wire, and two ends of the guide wire are respectively connected with two ends of the telescopic pipe body. The utility model has the following beneficial effects: the method can solve the problem of controlling the section shape of the most common three-arch roadway under the well, and can also be used for marking the position of the top anchor rod; the accuracy of the arrangement positions of the peripheral holes of the tunnel is greatly ensured, so that the shape of the section is standard during tunnel excavation; and has the advantages of simple structure, convenient carrying and the like.
Description
Technical Field
The utility model relates to the field of underground end face blasting, in particular to a portable three-arch roadway peripheral hole arranging device.
Background
In the process of mine roadway excavation, the phenomenon of overbreak and underexcavation can be caused due to the dislocation of the arrangement of the peripheral holes in the shape of the roadway section. The phenomenon of uneven stress distribution can be generated by digging too large surrounding rocks in an overdue manner in the roadway, and particularly, the risk of falling of the surrounding rocks on the top plate of the roadway is increased.
The mine roadway generally adopts a three-core arch roadway, because the roadway has high utilization rate compared with a rectangular or trapezoidal roadway and still greatly improves the stability of the roadway although the mechanical bearing property of the roadway is not as good as that of a straight wall and a semicircular arch. Because the three-arch roadway used in mines is generally higher than 2.5m, in the process of tunneling and arranging the peripheral holes of the roadway, operators generally arrange the blast holes at intervals on a scaffold by using arch crown blast holes as a basis according to the intervals of drawing blast holes and steel tapes.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem that the arrangement positions of peripheral holes of a three-center arch roadway of a mine are deviated, the peripheral holes of the arch crown are accurately arranged, and the stability of surrounding rocks on the surface layer of the roadway is ensured.
The technical scheme adopted by the utility model is as follows: the paint spraying device comprises a paint spraying arm, wherein one end of the paint spraying arm is fixedly connected with a guide wheel, and the other end of the paint spraying arm penetrates through a fixed pipe body and is fixed in the fixed pipe body; the bottom of the fixed pipe body is sequentially connected with a center line disc, a telescopic pipe body and a locator dial plate, and the fixed pipe body is rotationally connected with the center line disc; the center positions of the four parts are connected through a central disk shaft; the position of the telescopic pipe body, which is close to the dial plate of the position indicator, is fixedly connected with a leveling bubble; the guide wheel is connected with a guide wire, and two ends of the guide wire are respectively connected with two ends of the telescopic pipe body.
As a further improvement of the utility model, the guide wheels and the fixed pipe body are made of carbon fiber materials.
As a further improvement of the utility model, the fixing tube body is of a cylindrical structure.
As a further improvement of the utility model, the dial plate of the positioning instrument is provided with scale marks.
As a further improvement of the utility model, the telescopic pipe body is formed by inserting a plurality of sections of pipe bodies with diameters which are sequentially reduced from left to right.
The utility model has the following beneficial effects: the method can solve the problem of controlling the section shape of the most common three-arch roadway in the pit, and can also be used for marking the position of the top anchor rod; the accuracy of the arrangement positions of the peripheral holes of the tunnel is greatly ensured, so that the shape of the section is standard during tunnel excavation; and has the advantages of simple structure, convenient carrying and the like.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a side view of the control device of the present invention.
Fig. 3 is a front view of the control device of the present invention.
Fig. 4 is a front view of the working end of the present invention.
Fig. 5 is a bottom view of the working end of the present invention.
Shown in the figure: 1. the flexible pipe body, 2 central line disc, 3 central disc shaft, 4 fixed pipe body, 5 locator dial, 6 leveling bubble, 7 guide line, 8 guide wheel, 9 spray painting arm.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in the figure, the device comprises a telescopic tube body 1 formed by splicing a plurality of tube bodies with diameters sequentially reduced from left to right, two telescopic tube bodies 1 which are bilaterally symmetrical are fixed on a wire disc 2, and a leveling bubble 6 is arranged on a left arm; a fixed pipe body 4 capable of rotating 360 degrees is arranged on one side of the midline disc 2 and used for fixing a paint spraying arm 9, and the top of the two-section paint spraying arm 9 can be used for placing automatic paint spraying and also is provided with a guide wheel 8; a positioning instrument panel 5 with scales is arranged on the other side of the center line disc 2 and used for determining the rotation angle of the paint spraying arm 9; telescopic tube body 1 is equipped with a level bubble 6 on being close to the position of locater dial plate 5, guarantees telescopic tube body 1's levelness through level bubble 6, improves the measuring precision. All be provided with the scale mark on every section of flexible body 1 lateral wall, the degree of depth of this kind of scale mark can be used for the both ends of the guide line 7 of fixed three-heart arch tunnel week edge hole distributor.
The specific working mode is that related workers extend the paint spraying arm 9 to the width of a common roadway, the position of each vault peripheral eye can be controlled, then the two sections of telescopic pipe bodies 1 are extended to the length of an elliptic focus, the length of the guide line 7 is set to the width of the roadway, the telescopic pipe bodies 1 are held by one hand and are horizontally arranged on an arch camber line of the roadway, the central point of the central line disc 2 is arranged at the central line position of the roadway, the paint spraying arm 9 is firstly controlled by the other hand at the position of the vertical telescopic pipe body 1, the guide line 7 is tightly pressed, the position of the first vault central eye, namely the position of the vault central eye, the paint spraying arm 9 is rotated according to the angle, and the positions of other vault peripheral eyes are calibrated by controlling the paint spraying.
In a further improvement, the guide wheel and the fixed pipe body are made of carbon fiber materials. The material has the advantage of small deflection, so that the guide wheel and the fixed pipe body cannot generate large deformation, and the stability of the whole device is improved.
Further improved, the fixed pipe body is of a cylindrical structure. The wrapping performance of the spray painting arm is more perfect, the control is more accurate, meanwhile, the use of materials is saved, and the economic benefit is improved.
Further improvement, the dial plate of the positioning instrument is provided with scale marks. The moving range of the spray painting arm is controlled more accurately, and the positioning is more accurate.
The telescopic pipe body is formed by inserting a plurality of sections of pipe bodies with diameters sequentially reduced from left to right. The telescopic pipe body is more flexible and controllable, and the requirements of users are met.
In the embodiment 1, when hole arrangement is performed on peripheral holes of a three-arch roadway arch crown, firstly, the three-arch roadway arch crown is fitted to an ellipse which takes the arch height as a short half shaft and takes a half of the width of the roadway and a half of a long half shaft, the position of the focus of the ellipse is calculated according to a formula, two telescopic pipe bodies 1 are extended to the position of the intersection point of the ellipses, a guide line 7 is fixed on a scale line of the telescopic pipe bodies 1 at the intersection point of the ellipses, and the rotating angle of each peripheral hole from the central hole of the arch crown is calculated according to a blast hole arrangement diagram. The telescopic pipe body 1 is placed at the arching position of a roadway in a leveling mode through the leveling air bubbles 6, and the middle point of the middle line disc 2 is located on the middle line of the roadway. Firstly, marking the peripheral hole at the center of the vault by using the paint spraying arm 9 and paint spraying according to the position of the dial, and then rotating the paint spraying arm 9 according to the angle to arrange other peripheral holes. (the same principle of the direction of the rotating paint spraying can also be used for arranging the position of the arch roof bolt)
The utility model has the following beneficial effects: the utility model particularly relates to a portable three-arch roadway peripheral hole distribution device which not only can solve the problem of section shape control of the most common three-arch roadway in the pit, but also can be used for top anchor rod position marking; the accuracy of the arrangement positions of the peripheral holes of the tunnel is greatly ensured, so that the shape of the section is standard during tunnel excavation; and has the advantages of simple structure, convenient carrying and the like.
It should be understood by those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and modifications can be made on the above-mentioned embodiments without departing from the spirit of the present invention, and the modifications are within the scope of the present invention.
Claims (5)
1. A portable three-arch roadway peripheral hole arranging device is characterized in that: the paint spraying device comprises a paint spraying arm (9), wherein one end of the paint spraying arm (9) is fixedly connected with a guide wheel (8), and the other end of the paint spraying arm penetrates through a fixed pipe body (4) and is fixed in the fixed pipe body (4); the bottom of the fixed pipe body (4) is sequentially connected with a midline disc (2), a telescopic pipe body (1) and a locator dial (5), and the fixed pipe body (4) is rotationally connected with the midline disc (2); the center positions of the four parts are connected through a central disc shaft (3); a leveling bubble (6) is fixedly connected to the position, close to a dial plate (5) of the locator, of the telescopic pipe body (1); the guide wheel (8) is connected with the guide wire (7), and two ends of the guide wire (7) are respectively connected with two ends of the telescopic pipe body (1).
2. The portable three-arch roadway periphery hole arrangement device of claim 1, wherein: the guide wheel (8) and the fixed pipe body (4) are made of carbon fiber materials.
3. The portable three-arch roadway periphery hole arrangement device of claim 1, wherein: the fixed pipe body (4) is of a cylindrical structure.
4. A portable three-arch roadway peripheral eye arrangement device according to any one of claims 1 to 3, characterized in that: and the positioning instrument panel (5) is provided with scale marks.
5. The portable three-arch roadway periphery hole arrangement device of claim 4, wherein: the telescopic pipe body (1) is formed by inserting a plurality of sections of pipe bodies with diameters sequentially reduced from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022832680.7U CN215864924U (en) | 2020-12-01 | 2020-12-01 | Portable three-arch roadway peripheral hole arranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022832680.7U CN215864924U (en) | 2020-12-01 | 2020-12-01 | Portable three-arch roadway peripheral hole arranging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215864924U true CN215864924U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022832680.7U Active CN215864924U (en) | 2020-12-01 | 2020-12-01 | Portable three-arch roadway peripheral hole arranging device |
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| CN (1) | CN215864924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705172A (en) * | 2022-03-31 | 2022-07-05 | 河南大有能源股份有限公司新安煤矿 | Rapid calibration device and method for three-center arch section contour line for roadway |
-
2020
- 2020-12-01 CN CN202022832680.7U patent/CN215864924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705172A (en) * | 2022-03-31 | 2022-07-05 | 河南大有能源股份有限公司新安煤矿 | Rapid calibration device and method for three-center arch section contour line for roadway |
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