CN220853341U - Tunnel smooth blasting external-corner auxiliary control device - Google Patents
Tunnel smooth blasting external-corner auxiliary control device Download PDFInfo
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- CN220853341U CN220853341U CN202322861264.3U CN202322861264U CN220853341U CN 220853341 U CN220853341 U CN 220853341U CN 202322861264 U CN202322861264 U CN 202322861264U CN 220853341 U CN220853341 U CN 220853341U
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- rod
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- rotary
- auxiliary control
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- 238000005422 blasting Methods 0.000 title claims abstract description 30
- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 16
- 235000009537 plain noodles Nutrition 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an auxiliary control device for an external corner of tunnel smooth blasting, belongs to the technical field of auxiliary control devices for the external corner of tunnel smooth blasting, and solves the problems that in the prior art, the external corner of an actual drilling hole is easy to cause a larger error between the external corner of the actual drilling hole and a preset external corner, so that the subsequent tunnel smooth blasting cannot be performed according to the design requirement, and the blasting surface is too large or too small. The utility model comprises a fixed structure for being movably fixed on the ground, a support rod arranged on the fixed structure, and an angle limiting structure arranged on the support rod for limiting the horizontal angle and the longitudinal angle of the external insertion angle of the drill bit during drilling. The utility model is used for external corner insertion assistance.
Description
Technical Field
An auxiliary control device for the external corner of tunnel smooth blasting belongs to the technical field of auxiliary control devices for the external corner of tunnel smooth blasting.
Background
The tunnel smooth blasting needs to position the blastholes, marks the face after positioning and drills corresponding to the marked positions, and because the external angle is limited by a specific angle range when each blasthole of the face is drilled, the horizontal angle of the external angle when all blastholes drill is within 0-180 degrees, the longitudinal angle is within 80-100 degrees, if the horizontal angle of the external angle of a certain peripheral hole on the left side is 87-88 degrees, the horizontal angle of the external angle of a certain peripheral hole on the right side is 92-93 degrees, and the external angle when drilling is accurately controlled, the subsequent tunnel smooth blasting can be performed according to the design requirement, so that the problem of overlarge or undersize of the blasting face is prevented. However, in the prior art, when drilling the blasthole, the external angle of the drill hole is controlled by human experience, so that the following technical problems exist:
1. The external angle of the drilling hole is estimated manually, so that larger errors between the external angle of the actual drilling hole and the preset external angle are easily caused, and the problem that the subsequent tunnel smooth blasting cannot be performed according to the design requirement, so that the blasting surface is too large or too small is easily caused;
2. The constructor holds the drilling equipment of impeing and drills, and the constructor can't eliminate the vibration that produces when drilling equipment drills, and the production of vibration just causes the external corner of drilling to produce the skew easily, and when the offset was too big, easily caused follow-up tunnel plain noodles blasting to can not go on according to the design requirement to make the too big or too little problem of blasting face.
Disclosure of utility model
The utility model aims to provide an auxiliary control device for the external corner of tunnel smooth blasting, which solves the problems that in the prior art, the external corner of a drilled hole is estimated manually, and a large error is easily caused between the external corner of an actual drilled hole and a preset external corner, so that the subsequent tunnel smooth blasting cannot be performed according to the design requirement, and the blasting surface is too large or too small.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a tunnel plain noodles blasting external corner auxiliary control device, includes the fixed knot who is used for the activity to fix at ground constructs, sets up the bracing piece on fixed knot constructs, sets up the angle limiting structure that limits the horizontal angle and the longitudinal angle of external corner when boring the drill bit on the bracing piece.
Further, the angle limiting structure comprises a protractor which is arranged at one side of the top end of the supporting rod and used for measuring the horizontal angle of the external insertion angle, and a rotating rod which is arranged at the top end of the supporting rod, is horizontally and rotationally fixedly matched with the supporting rod and is provided with a pointer;
The rotary rod is arranged at the top of the rotary rod, is longitudinally and rotatably matched with the rotary rod through a rotary piece, and is provided with a ferrule through which a drill bit passes, and an L-shaped structure with one end connected with the ferrule and the other end fixedly matched with the rotary rod in a sliding manner, wherein the rotary rod is provided with scales for measuring the rotation angle of the ferrule.
Further, an insertion cavity for inserting a rotary rod is formed in one end of the top of the support rod, a semicircular sliding groove is formed in the bottom of the insertion cavity, and a longitudinal sliding groove is formed in the semicircular sliding groove;
the rotary rod comprises a cylindrical rod which is inserted into the insertion cavity, a pointer and a square rod body which are arranged on the cylindrical rod, a first threaded rod which is in sliding fit with the longitudinal sliding groove and the semicircular sliding groove, and a first nut which is matched with the first threaded rod are arranged on one side of the bottom of the cylindrical rod;
The square rod body is provided with a longitudinal T-shaped chute, and scales are arranged on one side of the longitudinal T-shaped chute.
Further, L type structure includes the vertical pole that is connected with the lasso and is connected, and with vertical T type spout sliding fit's T type horizontal pole with the vertical pole, T type horizontal pole includes the slide, sets up the threaded rod on the slide, is provided with the second nut on the threaded rod.
Further, the supporting rod is a telescopic rod.
Further, the fixed structure comprises a bottom plate with bevel teeth; or the fixed structure comprises a sliding rail with bevel teeth, a moving mechanism in sliding fit with the sliding rail, and the supporting rod is arranged on the moving mechanism.
Compared with the prior art, the utility model has the advantages that:
1. According to the utility model, the fixed structure is fixed on the ground near the tunnel face, the angle limiting structure on the supporting rod corresponds to the position of the blasthole mark, and the external insertion angle can be accurately controlled to drill holes according to the limitation of the angle limiting structure, so that the requirements of the follow-up tunnel smooth blasting are met;
2. according to the angle limiting structure, the rotary rod can be rotated, the horizontal rotation angle of the ferrule is determined through the pointer and the protractor, the L-shaped structure slides up and down on the rotary rod and corresponds to the scale of the corresponding angle, so that the longitudinal rotation angle of the ferrule can be determined, the accurate control of the external insertion angle of a drill hole is realized, the drill bit is limited through the ferrule, and the problem of deviation caused by vibration can be eliminated;
3. The structure of the supporting rod and the rotating rod is convenient for disassembly and transportation, and is convenient for rotation matching and fixation after installation;
4. The L-shaped structure is simple in structure and convenient for sliding and fixing the longitudinal rotation angle of the control ferrule;
5. The support rod is limited to be a telescopic rod, so that the height of the angle limiting structure can be conveniently adjusted according to blastholes with different heights;
6. when the fixed structure is provided with the sliding rail and the moving mechanism, the horizontal adjustment of the angle limiting structure is convenient according to the blastholes of different horizontal planes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the angle limiting structure provided on the support bar of the present utility model;
FIG. 3 is a schematic view showing the structure of the support rod with the insertion cavity;
FIG. 4 is a schematic view of the structure of the present utility model in which a protractor, a pointer and a first threaded rod are provided on a cylindrical rod, the protractor being fixed to a support rod, and being separated from the cylindrical rod;
FIG. 5 is a schematic view of the square shank of the present utility model mated with an L-shaped structure and ferrule;
FIG. 6 is a schematic view of a rotary member with a ferrule according to the present utility model;
FIG. 7 is a schematic view of the structure of the angle limiting structure of the present utility model;
FIG. 8 is a schematic view of the L-shaped structure of the present utility model;
In the figure: 1-fixed structure, 2-bracing piece, 3-angle limiting structure, 4-protractor, 5-pointer, 6-rotary rod, 7-lasso, 8-L type structure, 9-scale, 10-insertion cavity, 11-semicircular spout, 12-longitudinal spout, 13-cylindrical pole, 14-square body of rod, 15-first threaded rod, 16-first nut, 17-longitudinal pole, 18-T horizontal pole, 19-slide, 20-threaded rod, 21-second nut, 22-bevel gear, 23-bottom plate, 24-longitudinal T spout, 25-rotating piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.
Example 1
In order to solve the problems that the prior art adopts artificial pre-estimated external angle of the drilling, the external angle of the actual drilling and the preset external angle are easy to cause larger error, so that the subsequent tunnel smooth blasting can not be performed according to the design requirement, and the blasting surface is too large or too small. As shown in fig. 1, the tunnel smooth blasting external corner auxiliary control device comprises a fixed structure 1 for being movably fixed on the ground, a support rod 2 arranged on the fixed structure, and an angle limiting structure 3 arranged on the support rod 2 for limiting the horizontal angle and the longitudinal angle of the external corner when a drill bit drills. The fixed structure 1 comprises a bottom plate 23 with conical teeth 22 (the height is suitable for practical demands); or the fixed structure 1 comprises a sliding rail with bevel teeth, a moving mechanism in sliding fit with the sliding rail, and a supporting rod is arranged on the moving mechanism.
In practice, in the ground fixing structure near the face (if the fixing structure is the bottom plate 23 with the bevel 22, in the case of fixing the fixing structure first, after fixing the fixing structure, the subsequent angle limiting structure 3 can be adjusted to correspond to the marked blasthole, and can drill holes at the marked positions, of course, the subsequent angle limiting structure 3 can also be adjusted to correspond to the marked positions first, and finally the fixing structure is fixed again, if the fixing structure is the slide rail with the bevel and the moving mechanism, the slide rail can be horizontally fixed with the face, the moving mechanism is arranged on the slide rail after fixing, the support rod is arranged on the moving mechanism again, the support rod is controlled to move along the slide rail by the moving mechanism), and the angle limiting structure on the support rod corresponds to the marked positions of the blasthole, so that the external plug angle can be accurately controlled to drill holes according to the limit of the angle limiting structure, so as to meet the requirement of the subsequent tunnel face blasting
Example 2
On the basis of the embodiment 1, as shown in fig. 7, the angle limiting structure 3 comprises a protractor 4 which is arranged at one side of the top end of the supporting rod 2 and is used for measuring the horizontal angle of the external insertion angle, a scale of 0-180 degrees is arranged on the protractor, and a rotary rod 6 which is arranged at the top end of the supporting rod 2, is horizontally and rotationally fixedly matched with the supporting rod 2 and is provided with a pointer 5; the rotary rod is arranged at the top of the rotary rod 6 and is in sliding fixed fit with the rotary rod 6 through a rotary piece 25 (comprising a fixed piece which is arranged on the rotary rod and provided with a rotary shaft, a rotary sleeve which is matched with the rotary shaft on the fixed piece, and a connecting piece which is arranged on the sleeve and is connected with a ferrule, wherein the sleeve and the connecting piece are as shown in figure 6), the ferrule 7 is longitudinally in rotary fit and is penetrated by a drill bit, one end of the L-shaped structure 8 is connected with the ferrule 7, the other end of the L-shaped structure is in sliding fixed fit with the rotary rod 6, a scale 9 for measuring the rotary angle of the ferrule 7 is arranged on the rotary rod 6, and the scale is 80-100 degrees.
In practice, the pointer 5 on the rotary rod 6 corresponds to a certain scale in the protractor 4 to realize the rotation of the horizontal angle of the ferrule and fix the same, and after the fixing, the L-shaped structure 8 corresponds to a certain scale in the scale 9 to realize the rotation of the longitudinal angle of the ferrule and fix the same. After the fixing, under the condition that the fixing structure is also fixed, the side adjacent to the face is provided with the ferrule corresponding to the marking position, the drill bit is inserted into the ferrule, the angle of the external insertion angle is controlled by the limitation of the ferrule to realize accurate drilling, and the problem of offset caused by vibration can be eliminated.
Example 3
On the basis of the embodiment 2, as shown in fig. 2-6, an insertion cavity 10 for inserting the rotary rod 6 is arranged at one end of the top of the supporting rod 2, a semicircular sliding groove 11 is arranged at the bottom of the insertion cavity, and a longitudinal sliding groove 12 is arranged on the semicircular sliding groove 11; the rotary rod 6 comprises a cylindrical rod 13 for being inserted into the insertion cavity 10, a pointer 5 and a square rod body 14 which are arranged on the cylindrical rod 13, a first threaded rod 15 which is in sliding fit with the longitudinal sliding groove 12 and the semicircular sliding groove 11 and a first nut 16 which is matched with the first threaded rod 15 are arranged on one side of the bottom of the cylindrical rod 13; the square rod body 14 is provided with a longitudinal T-shaped chute 24, and scales 9 are arranged on one side of the longitudinal T-shaped chute 24 and the square rod body 14.
In practice, the cylindrical rod 13 is inserted into the insertion cavity 10, the first threaded rod 15 slides into the semicircular sliding groove 11 through the longitudinal sliding groove 12, the pointer 5 on the semicircular sliding groove 11 corresponds to a certain scale in the protractor 4 to realize the rotation of the ferrule horizontal angle by rotating the rotary rod 6, the rotary rod 6 is fixed on the support rod 2 by matching the first threaded rod 15 with the first nut 16, and after the fixing, the L-shaped structure 8 slides up and down in the longitudinal T-shaped sliding groove 24 to correspond to a certain scale in the scale 9 on the square rod body 14 to realize the rotation of the ferrule longitudinal angle and the fixing. After the fixing, under the condition that the fixing structure is also fixed, the side adjacent to the face is provided with the ferrule corresponding to the marking position, the drill bit is inserted into the ferrule, the angle of the external insertion angle is controlled by the limitation of the ferrule to realize accurate drilling, and the problem of offset caused by vibration can be eliminated.
Example 4
On the basis of embodiment 3, as shown in fig. 8, the L-shaped structure 8 comprises a longitudinal rod 17 connected with the ferrule 7 and a T-shaped cross rod 18 connected with the longitudinal rod 17 and in sliding fit with a longitudinal T-shaped sliding groove 24, wherein the T-shaped cross rod 18 comprises a sliding plate 19, a threaded rod 20 arranged on the sliding plate 19, and a second nut 21 is arranged on the threaded rod 20. The vertical rod 17 is connected with the ferrule 7, and when the L-shaped structure 8 slides up and down, the ferrule is driven to longitudinally rotate, and after the L-shaped structure 8 slides, the second nut 21 rotates on the threaded rod 20 to move towards one end of the longitudinal T-shaped chute 24 to realize fixation.
Example 5
On the basis of embodiment 4, the support rod 2 is a telescopic rod. The telescopic rod can be shown in fig. 1, and also can be a hydraulic telescopic rod with an air cylinder.
Claims (6)
1. The utility model provides a tunnel plain noodles blasting external corner auxiliary control device which characterized in that: the drill bit drilling device comprises a fixed structure (1) which is movably fixed on the ground, a supporting rod (2) which is arranged on the fixed structure, and an angle limiting structure (3) which is arranged on the supporting rod (2) and used for limiting the horizontal angle and the longitudinal angle of an external insertion angle of the drill bit during drilling.
2. The tunnel smooth blasting exterior angle auxiliary control device according to claim 1, wherein: the angle limiting structure (3) comprises a protractor (4) which is arranged at one side of the top end of the supporting rod (2) and is used for measuring the horizontal angle of the external insertion angle, and a rotating rod (6) which is arranged at the top end of the supporting rod (2), is horizontally and fixedly matched with the supporting rod (2) in a rotating way and is provided with a pointer (5);
The rotary rod (6) is provided with a scale (9) for measuring the rotation angle of the rotary rod (7), the rotary rod is arranged at the top of the rotary rod (6), the rotary rod is longitudinally and rotatably matched with the rotary rod (6) through a rotary piece (25), the rotary rod is provided with a ferrule (7) through which a drill bit passes, one end of the rotary rod is connected with the ferrule (7), and the other end of the rotary rod is fixedly matched with the rotary rod (6) in a sliding mode.
3. The tunnel smooth blasting exterior angle auxiliary control device according to claim 2, wherein: an inserting cavity (10) for inserting the rotating rod (6) is formed in one end of the top of the supporting rod (2), a semicircular sliding groove (11) is formed in the bottom of the inserting cavity, and a longitudinal sliding groove (12) is formed in the semicircular sliding groove (11);
The rotary rod (6) comprises a cylindrical rod (13) which is inserted into the insertion cavity (10), a pointer (5) and a square rod body (14) which are arranged on the cylindrical rod (13), a first threaded rod (15) which is in sliding fit with the longitudinal sliding groove (12) and the semicircular sliding groove (11) and a first nut (16) which is matched with the first threaded rod (15) are arranged on one side of the bottom of the cylindrical rod (13);
The square rod body (14) is provided with a longitudinal T-shaped chute (24), and scales (9) are arranged on one side of the longitudinal T-shaped chute (24) and the square rod body (14).
4. A tunnel smooth blasting exterior angle auxiliary control device according to claim 3, wherein: the L-shaped structure (8) comprises a longitudinal rod (17) connected with the ferrule (7) and a T-shaped cross rod (18) connected with the longitudinal rod (17) and in sliding fit with the longitudinal T-shaped sliding groove (24), the T-shaped cross rod (18) comprises a sliding plate (19), a threaded rod (20) arranged on the sliding plate (19) and a second nut (21) arranged on the threaded rod (20).
5. The tunnel smooth blasting exterior angle auxiliary control device according to claim 4, wherein: the supporting rod (2) is a telescopic rod.
6. The tunnel smooth blasting exterior angle auxiliary control device according to claim 5, wherein: the fixing structure (1) comprises a bottom plate (23) with bevel teeth (22); or (b)
The fixed structure (1) comprises a sliding rail with bevel teeth, a moving mechanism which is in sliding fit with the sliding rail, and a supporting rod which is arranged on the moving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322861264.3U CN220853341U (en) | 2023-10-25 | 2023-10-25 | Tunnel smooth blasting external-corner auxiliary control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322861264.3U CN220853341U (en) | 2023-10-25 | 2023-10-25 | Tunnel smooth blasting external-corner auxiliary control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853341U true CN220853341U (en) | 2024-04-26 |
Family
ID=90786815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322861264.3U Active CN220853341U (en) | 2023-10-25 | 2023-10-25 | Tunnel smooth blasting external-corner auxiliary control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853341U (en) |
-
2023
- 2023-10-25 CN CN202322861264.3U patent/CN220853341U/en active Active
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