CN220470022U - Positioning device for drilling tunnel blasting holes - Google Patents
Positioning device for drilling tunnel blasting holes Download PDFInfo
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- CN220470022U CN220470022U CN202320623089.1U CN202320623089U CN220470022U CN 220470022 U CN220470022 U CN 220470022U CN 202320623089 U CN202320623089 U CN 202320623089U CN 220470022 U CN220470022 U CN 220470022U
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- steel plate
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- drilling
- steel
- positioning device
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000005422 blasting Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 150
- 239000010959 steel Substances 0.000 claims abstract description 150
- 238000003466 welding Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to the field of hole drilling equipment for blasting holes, in particular to a positioning device for drilling holes for tunnel blasting holes, which comprises a base, wherein a support steel plate is arranged on the base, and a through positioning hole for arranging a drill rod is arranged on the support steel plate; the utility model discloses a positioning device for drilling a tunnel blast hole, which is mainly equivalent to providing a supporting platform, and is convenient for a subsequent auxiliary drill rod to realize the drilling operation of the blast hole; and can also serve as a feeding support function in subsequent use.
Description
Technical Field
The utility model relates to the field of hole drilling equipment for blasting holes, in particular to a positioning device for drilling a tunnel blasting hole.
Background
Due to the restriction of factors such as the drilling machine structure and tunnel geological conditions, the drill rod cannot be clung to the excavation surface during drilling, the space reserved for drilling cannot meet the drilling requirement, the design angle cannot be reached, the super-underexcavation is caused, and the long and short hole blasting design scheme can effectively control surrounding rock super-underexcavation.
The tunnel blasting effect and the safety quality are greatly related to the blasthole parameters which accurately reach the design scheme during drilling, the mode of manually holding a drilling machine is mainly adopted during the tunnel blasting and drilling at present, the problems of large blasthole angle error and inaccurate hole position arrangement exist depending on experience of constructors, the undermining is easy to cause, the safety quality is influenced, and the construction cost is increased.
Therefore, a means for effectively controlling the drilling precision is needed, the blasting effect is ensured, the construction cost is reduced, and the construction efficiency is improved.
Disclosure of Invention
The utility model aims to provide a positioning device capable of ensuring the accuracy of a hole of a blasting hole drill.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the positioning device for drilling the tunnel blasting holes comprises a base, wherein a supporting steel plate is arranged on the base, and a through positioning hole for arranging drill rods is formed in the supporting steel plate.
The base comprises two side channel steel which are distributed at intervals, and two ends of the two side channel steel are respectively connected through one end channel steel; the two side channel steel and the two end channel steel are connected in sequence, and the base is of a back-shaped structure.
The support steel plate comprises a first steel plate and a second steel plate, and the first steel plate and the second steel plate are respectively arranged on the two side channel steels; the first steel plate and the second steel plate are arranged oppositely.
And a plurality of through-connection positioning holes are formed in the first steel plate and the second steel plate.
The first steel plate height is smaller than the second steel plate height.
And the end channel steel is provided with a connecting hole.
The lower end of the base is provided with a supporting mechanism, and the supporting mechanism comprises a supporting steel pipe arranged on the base.
The support steel pipe is inserted in the connecting hole.
The support steel pipe is connected with the base through a locking part, and the locking part comprises a locking bolt; the locking bolt passes through the end channel steel and is propped against the side surface of the supporting steel pipe.
The supporting steel plate is connected with the side channel steel through the rib plates.
The utility model has the advantages that:
the utility model discloses a positioning device for drilling a tunnel blast hole, which is mainly equivalent to providing a supporting platform, and is convenient for a subsequent auxiliary drill rod to realize the drilling operation of the blast hole; and can also serve as a feeding support function in subsequent use.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
FIG. 1 is a schematic illustration of the use of the present utility model;
FIG. 2 is a schematic view of the structure of the base of the present utility model;
FIG. 3 is a schematic structural view of a protective steel sheet according to the present utility model;
FIG. 4 is a schematic diagram of the connection of the support steel tube and the end channel steel of the present utility model;
the labels in the above figures are:
1. a base; 2. side channel steel; 3. end channel steel; 4. supporting the steel pipe; 5. a first steel plate; 51 is connected with a positioning hole, 52 is connected with a second steel plate, 6 and a locking bolt; 7. welding a nut; 8. rib plates; 9. and (3) drilling rod.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings, which illustrate preferred embodiments of the utility model in further detail.
The positioning device for drilling the tunnel blasting holes comprises a base 1, wherein a supporting steel plate 5-1 is arranged on the base 1, and a through positioning hole 51 for arranging a drill rod 9 is formed in the supporting steel plate 5-1; the utility model discloses a positioning device for drilling a tunnel blast hole, which is mainly equivalent to providing a supporting platform, and is convenient for a subsequent auxiliary drill rod 9 to realize the drilling operation of the blast hole; and can also serve as a feeding support function in subsequent use.
Specifically, the positioning device disclosed by the utility model mainly comprises a base 1, wherein the base 1 is a bottom platform, so that the subsequent arrangement of the supporting steel plate 5-1 and the drill rod 9 is facilitated, in addition, the supporting steel plate 5-1 is arranged on the base 1, and the supporting steel plate 5-1 plays a good role in lifting and supporting; the height of the subsequent drill rod 9 is conveniently controlled, in addition, the support steel plate 5-1 is provided with the through connection positioning hole 51, and the setting of the through connection positioning hole 51 facilitates the placement and positioning of the subsequent drill rod 9 on the support steel plate 5-1.
Further, in the present utility model, the base 1 includes two side channel steels 2 distributed at intervals, and two ends of the two side channel steels 2 are respectively connected through an end channel steel 3; the two side channel steels 2 and the two end channel steels 3 are connected in sequence, and the base 1 is in a back-shaped structure; the utility model is assembled by two side channel steels 2 and two end channel steels 3; the assembling and processing of the base 1 are facilitated.
In addition, the supporting steel plate 5-1 in the present utility model includes a first steel plate 5 and a second steel plate 52, the first steel plate 5 and the second steel plate 52 being respectively arranged on the two side channel steels 2; the first steel plate 5 and the second steel plate 52 are arranged opposite to each other; the utility model makes the support steel plate 5-1 and the drill rod 9 have at least two places through the arrangement of the first steel plate 5 and the second steel plate 52; the stability of the arrangement of the drill rod 9 can be ensured.
Further, in the present utility model, a plurality of through-connection positioning holes 51 are formed in each of the first steel plate 5 and the second steel plate 52; according to the utility model, through the arrangement of the plurality of through-connection positioning holes 51, different through-connection positioning holes 51 can be selected for subsequent use, so that the arrangement directions of the drill rods 9 are different, and the opening of different blasting holes is realized.
Further, in the present utility model, the height of the first steel plate 5 is smaller than the height of the second steel plate 52; the utility model is provided by such an arrangement; the first steel plate 5 can be provided with a plurality of through connection positioning holes 51, and when in subsequent use, the erection height of the drill rod 9 on the first steel plate 5 is higher than the arrangement height on the second steel plate 52, so that the drill rod 9 can be arranged according to the requirement, and the application range of the utility model is increased.
Further, in the present utility model, the end channel steel 3 is provided with a connecting hole 31; the arrangement of the connecting holes 31 facilitates the connection between the subsequent support steel pipe 4 and the base 1.
Further, in the utility model, a supporting mechanism is arranged at the lower end of the base 1, and the supporting mechanism comprises a supporting steel pipe 4 arranged on the base 1; the support mechanism is convenient for the elevated support of the base 1, namely, the support mechanism is equivalent to a support leg in the utility model, so that the arrangement stability of the base 1 can be better ensured.
Further, in the utility model, the support steel pipe 4 is inserted into the connecting hole 31; the connecting hole 31 of the utility model can be designed into a threaded hole, the supporting steel pipe 4 can be a threaded pipe, and the supporting steel pipe 4 is connected with the connecting hole 31 through threads.
Further, in the present utility model, the support steel pipe 4 is connected to the base 1 through a locking portion, and the locking portion includes a locking bolt 6; the locking bolt 6 passes through the end channel steel and is pressed against the side surface of the supporting steel pipe 4; the locking part is arranged, and when the steel pipe is used later, the locking bolt is extruded and pressed on the end part of the supporting steel pipe, so that a good side limiting effect is achieved, and the fixed connection between the supporting steel pipe 4 and the base 1 is ensured; in addition, in order to facilitate the arrangement of the locking bolts, the side of the end channel steel is required to be provided with a welding nut 7 in the utility model; the arrangement of the welding nut 7 facilitates the connection of the locking bolt on the end channel steel, and the arrangement and placement of the locking bolt on the base are conveniently ensured.
Specifically:
the utility model discloses a positioning device for drilling a tunnel blasting hole; the support device mainly comprises a support mechanism, wherein a base 1 is arranged above the support mechanism, a support steel plate 5-1 is arranged on the base 1, the support steel plate 5-1 comprises a first steel plate 5 and a second steel plate 52, meanwhile, the first steel plate 5 or/and the second steel plate 52 are connected with the base 1 through rib plates 8, and meanwhile, through-connection positioning holes 51 are formed in the first steel plate 5 and the second steel plate 52.
In addition, in the utility model, the base 1 is composed of four channel steels, wherein the four channel steels comprise two side channel steels 2 and two end channel steels 3, the end channel steels 3 are provided with connecting holes 31, and the connection holes 31 facilitate the connection between the subsequent support steel pipes 4 and the end channel steels 3.
The four channel steels are welded and spliced into a quadrangle, and the concave surface of the channel steel faces upwards during welding; the length of each channel steel is determined according to the blast hole parameters, and the base 1 is stably placed on bedrock for use.
Four supporting legs are arranged in total, the supporting steel pipes 4 with the diameters of 50mm are adopted as materials, the supporting steel pipes 4 are vertically inserted into the channel steel with holes of the base 1, and are connected with the channel steel through bolts and fixed through welding nuts 7.
Meanwhile, the lengths of the first steel plate 5 and the second steel plate 52 are different, the specific length is determined by practical conditions, a plurality of through-connection positioning holes 51 are reserved on the first steel plate 5 and the second steel plate 52, and the first steel plate 5 and the second steel plate 52 are arranged in the vertical direction and welded with the channel steel of the base 1.
Further, the height of the base 1 can be adjusted through the height of the supporting steel pipe 4, and when the drilling machine is used subsequently, the supporting mechanism can be adjusted according to the condition of the face to enable the base 1 to form a horizontal plane, so that subsequent drilling is convenient, convenient and stable.
Further, the height and the number of the cross-connection positioning holes 51 reserved on the first steel plate 5 and the second steel plate 52 are related to the external inserting angle parameters of the blast holes and the distance between the blast holes, the diameter of the cross-connection positioning holes 51 is consistent with the diameter of the drill rod 9 of the drilling machine, more round holes are reserved on one steel plate, the round holes are respectively used for punching long holes and short holes, the positions close to the base 1 are reinforced by the rib plates 8, and the stability of the device is improved.
Furthermore, the utility model can also be used as a charging and blasting structure, when in use, the explosive and the detonator are filled in the blast hole through the drill rod 9, and the required plane can be blasted after detonation.
Furthermore, the utility model is not only suitable for positioning drilling holes in tunnel blasting by adopting long and short hole technology, but also suitable for positioning drilling holes and charging in other tunnel blasting construction.
The using method of the positioning device comprises the following steps:
step 1: prefabricating perforated channel steel, perforated steel plates and the like according to blasting design schemes and blast hole parameters, and preparing other required materials;
step 2: welding the side channel steel 2 and the end channel steel into a quadrangular base 1, connecting a supporting steel pipe 4 on the base 1, and installing a supporting steel plate 5-1 on the base 1 to form a foundation device;
step 3: the positioning device after the splicing is placed on the tunnel face, the bolts are adjusted according to the conditions of the height, the inclination angle and the like of the tunnel face, so that the base reaches the required height, specifically, the relative positions of the support and the base are adjusted, the longitudinal position of the base 1 is raised or lowered, and meanwhile, the base is required to form a horizontal plane;
step 4: inserting the drill rod 9 into corresponding round holes of the two steel plates according to designed parameters of the external insertion angles of the long holes and the short holes;
step 5: a drill bit is arranged in front of the drill rod 9, and long holes and short holes are drilled to the designed hole depth respectively;
step 6: cleaning a drilled hole, and loading explosive and detonator into the drilled blast hole through a drill rod 9;
step 7: detonating the explosive, and sealing the hole after the explosive is fried out of the required plane.
Overall, the method is described; the utility model relates to a supporting platform which is mainly used for normal positioning during drilling of a drill rod.
It is obvious that the specific implementation of the present utility model is not limited by the above-mentioned modes, and that it is within the scope of protection of the present utility model only to adopt various insubstantial modifications made by the method conception and technical scheme of the present utility model.
Claims (8)
1. The positioning device for drilling the tunnel blasting holes is characterized by comprising a base, wherein a supporting steel plate is arranged on the base, and a through positioning hole for arranging a drill rod is formed in the supporting steel plate;
the base comprises two side channel steel which are distributed at intervals, and two ends of the two side channel steel are respectively connected through one end channel steel; the two side channel steels and the two end channel steels are connected in sequence, and the base is in a back-shaped structure;
the support steel plate comprises a first steel plate and a second steel plate, and the first steel plate and the second steel plate are respectively arranged on the two side channel steels; the first steel plate and the second steel plate are arranged oppositely.
2. The positioning device for drilling tunnel blastholes as set forth in claim 1, wherein a plurality of through-connection positioning holes are formed in each of the first steel plate and the second steel plate.
3. The positioning device for drilling a tunnel blast hole according to claim 1, wherein said first steel plate has a height smaller than a height of said second steel plate.
4. The positioning device for drilling tunnel blastholes according to claim 1, wherein the end channel steel is provided with a connecting hole.
5. The positioning device for drilling a tunnel blast hole according to claim 4, wherein the lower end of the base is provided with a supporting mechanism, and the supporting mechanism comprises a supporting steel pipe arranged on the base.
6. The positioning device for drilling tunnel blastholes according to claim 5, wherein the support steel pipe is inserted into the connecting hole.
7. The positioning device for drilling a tunnel blast hole according to claim 6, wherein said supporting steel pipe is connected to said base through a locking portion, said locking portion comprising a locking bolt; the locking bolt passes through the end channel steel and is propped against the side surface of the supporting steel pipe.
8. The positioning device for drilling tunnel blastholes as claimed in claim 6, wherein the supporting steel plate is connected with the side channel steel through rib plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623089.1U CN220470022U (en) | 2023-03-27 | 2023-03-27 | Positioning device for drilling tunnel blasting holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623089.1U CN220470022U (en) | 2023-03-27 | 2023-03-27 | Positioning device for drilling tunnel blasting holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470022U true CN220470022U (en) | 2024-02-09 |
Family
ID=89804542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320623089.1U Active CN220470022U (en) | 2023-03-27 | 2023-03-27 | Positioning device for drilling tunnel blasting holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470022U (en) |
-
2023
- 2023-03-27 CN CN202320623089.1U patent/CN220470022U/en active Active
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