Directional guide device for improving drilling precision of slope curtain
A directional guidance system using aligned steel pipes and positioning plates addresses the issue of misaligned drill holes on sloping surfaces, ensuring precise vertical drilling and reducing rework in curtain grouting processes.
Patent Information
- Application Number
- CN202421989635.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-15
AI Technical Summary
When drilling on the slope surface, the drill bit is prone to deviation, which makes it difficult to ensure the quality of the holes, especially in the first process of curtain grouting, which affects the smooth implementation of the subsequent process and the anti-seepage quality of the curtain line.
A directional guide device is designed, including a guide steel pipe assembly and a positioning steel plate. The lower end of the guide steel pipe assembly is a bevel-like structure, which is fitted with the slope surface and is installed on the drilling and filling platform car. The drill rod extends from the upper end of the guide steel pipe assembly to the lower end, and is fixed by the limiting ring and the fixed pipe fitting to ensure the perpendicularity of the drilling hole.
It effectively improves the accuracy and perpendicularity of the curtain drilling on the slope surface, adapts to the needs of different angles and hole diameters, reduces rework and correction work, and improves the one-time pass rate of the hole quality.
Smart Images
Figure CN223099589U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of civil engineering, in particular to an orientation guiding device for improving the drilling accuracy of a curtain on a slope surface. Background Art
[0002] The first process of curtain grouting is drilling. The quality of drilling is directly related to whether the subsequent processes can be smoothly and continuously implemented, and also directly affects the anti-seepage quality of the curtain line. For drilling on a slope surface, the opening operation is particularly important. Without effective measures, the drill bit is prone to deviation and other phenomena during the opening process, making it difficult to ensure the verticality of the opening. This often results in multiple reworks or a large amount of corrective work, which is time-consuming and laborious. Therefore, researching a positioning and guiding device to ensure the quality of the opening is of great significance for ensuring the first-pass qualification rate of the opening quality. Content of the Utility Model
[0003] Aiming at the technical problem in the prior art that the drill bit is prone to deviation and other phenomena when drilling on a slope surface, and it is difficult to ensure the opening quality, the utility model provides an orientation guiding device for improving the verticality of curtain drilling on a slope surface.
[0004] The technical solution of the utility model to solve the above technical problems is as follows:
[0005] An orientation guiding device for improving the drilling accuracy of a curtain on a slope surface, comprising: a longitudinally arranged guiding steel pipe assembly; the guiding steel pipe assembly is installed on a drill-grouting platform vehicle on the slope section; the lower end of the guiding steel pipe assembly is provided with a groove-shaped structure that fits the slope surface; the drill pipe of a drill installed on the drill-grouting platform vehicle on the slope section extends from the upper end to the lower end of the guiding steel pipe assembly for drilling the slope surface.
[0006] Further: it further comprises: a positioning steel plate; the positioning steel plate is provided with a through hole penetrating up and down; a limiting ring is arranged at the upper end of the guiding steel pipe assembly; the guiding steel pipe assembly passes through the through hole and is suspended on the positioning steel plate through the limiting ring; the positioning steel plate is installed on the drill-grouting platform vehicle on the slope section.
[0007] Further: it further comprises: a fixing pipe fitting; the fixing pipe fitting is fixed on the guiding steel pipe assembly, and the fixing pipe fitting is used for fixedly connecting with the drill-grouting platform vehicle on the slope section.
[0008] Further: the fixing pipe fitting is perpendicular to the guiding steel pipe assembly.
[0009] Further: The guiding steel pipe assembly includes: a first guiding steel pipe, a fixed steel pipe, and a second guiding steel pipe; the lower end of the first guiding steel pipe is fixedly connected to the upper end of the fixed steel pipe by a thread; the upper end of the second guiding steel pipe is fixedly connected to the lower end of the fixed steel pipe by a thread; the limiting ring is arranged at the upper end of the first guiding steel pipe; the groove is arranged at the lower end of the second guiding steel pipe.
[0010] The directional guiding device for improving the drilling accuracy of the slope surface curtain provided by the present invention has at least the following beneficial effects or advantages:
[0011] The directional guiding device for improving the drilling accuracy of the slope surface curtain provided by the present invention, the guiding steel pipe assembly is installed on the drilling and grouting platform vehicle of the slope section; the lower end of the guiding steel pipe assembly is set as a groove-shaped structure that fits the slope surface; the drill pipe of the drill installed on the drilling and grouting platform vehicle of the slope section extends from the upper end to the lower end of the guiding steel pipe assembly for drilling the slope surface. This directional guiding device, combined with the actual situation of the concrete face rockfill dam under construction, according to the operation of the drilling and grouting platform vehicle in slope surface construction, the drilling positioning guiding device fixed on the platform vehicle effectively guides the hole-opening drill tool, ensuring the verticality of the drill hole. And this device can also adapt to the drilling requirements of different angles and hole-opening diameters by changing the angle, hole-opening diameter, guiding distance length, increasing the positioning steel pipe and adjusting the diameters of the guiding pipe and positioning pipe. Description of the Drawings
[0012] Figure 1 It is a schematic structural diagram of the directional guiding device for improving the drilling accuracy of the slope surface curtain provided by the embodiment of the present invention;
[0013] Figure 2 It is an installation schematic diagram of the directional guiding device for improving the drilling accuracy of the slope surface curtain provided by the embodiment of the present invention.
[0014] In the drawings, the list of components represented by each reference numeral is as follows:
[0015] 1 - guiding steel pipe assembly, 11 - first guiding steel pipe, 12 - fixed steel pipe, 13 - second guiding steel pipe, 14 - groove, 2 - positioning steel plate, 3 - fixed pipe fitting, 4 -, 5 - drill, 6 - slope. Detailed Embodiments
[0016] In view of the technical problems existing in the prior art that the drill bit is prone to deviation and other phenomena when drilling on the slope surface, and the hole-opening quality is difficult to guarantee, the present invention provides a directional guiding device for improving the drilling accuracy of the slope surface curtain.
[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0018] The embodiment of the present invention provides an orientation guiding device for improving the drilling accuracy of the curtain on the slope 6 surface. Refer to Figure 1 , which mainly includes: a longitudinally arranged guiding steel pipe assembly 1. The guiding steel pipe assembly 1 is installed on the drill-grouting platform vehicle 4 in the slope 6 section. The guiding steel pipe assembly 1 is installed at the position A of Figure 2 ; the lower end of the guiding steel pipe assembly 1 is provided with a groove 14-shaped structure that fits the slope 6 surface. The drill pipe of the drill 5 installed on the drill-grouting platform vehicle 4 arranged on the slope 6 extends from the upper end to the lower end of the guiding steel pipe assembly 1, and the drill bit is installed at the lower end of the drill pipe. The drill bit is used to drill the slope 6 surface.
[0019] To achieve the positioning of the guiding steel pipe assembly 1, refer to Figure 1 , a preferred embodiment provided by the present invention further includes: a positioning steel plate 2. The positioning steel plate 2 is provided with a through hole penetrating up and down; a limiting ring is arranged at the upper end of the guiding steel pipe assembly 1; the diameter of the through hole is slightly larger than the maximum outer diameter of the guiding steel pipe assembly 1. The guiding steel pipe assembly 1 passes through the through hole and is suspended on the positioning steel plate 2 through the limiting ring to achieve the positioning of the guiding steel pipe assembly 1. The positioning steel plate 2 is installed on the drill-grouting platform vehicle 4, and the connection method can be bolt fixation, welding or riveting.
[0020] In a preferred embodiment provided by the present invention, a fixed pipe fitting 3 is further provided; the fixed pipe fitting 3 is perpendicular to the guiding steel pipe assembly 1, and the fixed pipe fitting 3 is fixed on the guiding steel pipe assembly 1. The fixed pipe fitting 3 is used for fixedly connecting with the drill-grouting platform vehicle 4. The setting of the fixed pipe fitting 3 facilitates the detachable fixation of the guiding steel pipe assembly 1 on the drill-grouting platform vehicle 4.
[0021] In a preferred embodiment provided by the present utility model: The guiding steel pipe assembly 1 includes: a first guiding steel pipe 11, a fixed steel pipe 12, and a second guiding steel pipe 13. The first guiding steel pipe 11, the fixed steel pipe 12, and the second guiding steel pipe 13 all adopt a cylindrical tubular structure. The lower end of the first guiding steel pipe 11 is fixedly connected to the upper end of the fixed steel pipe 12 by threads; the upper end of the second guiding steel pipe 13 is fixedly connected to the lower end of the fixed steel pipe 12 by threads; a limiting ring is arranged at the upper end of the first guiding steel pipe 11; a bevel 14 is arranged at the lower end of the second guiding steel pipe 13. The guiding steel pipe assembly 1 is set as a fixed steel pipe structure composed of the first guiding steel pipe 11, the fixed steel pipe 12, and the second guiding steel pipe 13, which is convenient for replacing the first guiding steel pipe 11 and the second guiding steel pipe 13 with different lengths to adapt to the drilling of slopes 6 with different heights.
[0022] See Figure 1 and Figure 2 , the working process of the directional guiding device for improving the accuracy of curtain drilling on the slope 6 provided by the embodiment of the present utility model is as follows: When in use, the directional guiding device is installed on the slope drilling and grouting platform vehicle 4. The drilling and grouting platform vehicle 4 is arranged on the slope 6. The bevel 14 at the lower end of the guiding steel pipe assembly 1 is in close contact with the upper surface of the slope 6. The drill pipe of the drill 5 on the slope drilling and grouting platform vehicle 4 on the slope 6 extends from the upper end to the lower end of the guiding steel pipe assembly 1, and the drill pipe and the drill bit are guided through the guiding steel pipe assembly 1. Subsequently, the drill 5 is started to drill the slope 6 surface, and the drilling direction is perpendicular to the ground plane.
[0023] The directional guiding device for improving the accuracy of curtain drilling on the slope surface provided by the embodiment of the present utility model at least has the following beneficial effects or advantages:
[0024] For the directional guiding device for improving the accuracy of curtain drilling on the slope surface provided by the embodiment of the present utility model, the guiding steel pipe assembly is installed on the slope section drilling and grouting platform vehicle; the lower end of the guiding steel pipe assembly is set as a bevel-shaped structure that fits the slope surface; the drill pipe of the drill installed on the slope section drilling and grouting platform vehicle extends from the upper end to the lower end of the guiding steel pipe assembly for drilling the slope surface. This directional guiding device, combined with the actual situation of the concrete face rockfill dam under construction on site, according to the operation of the drilling and grouting platform vehicle for slope surface construction, the drilling positioning and guiding device fixed on the platform vehicle effectively guides the hole-opening drilling tool, ensuring the perpendicularity of the drilling. And this device can also adapt to the drilling requirements of different angles and hole-opening diameters by changing the angle, hole-opening diameter, guiding distance length, and by increasing the positioning steel pipe and adjusting the diameters of the guiding pipe and the positioning pipe.
[0025] In the description of the present utility model, it should be noted that the term nouns in each embodiment, such as "upper", "lower", "front", "rear", "left", "right", etc., which indicate directions, are only used to simplify the description of the positional relationship based on the drawings in the specification, and do not represent that the elements and devices referred to must operate according to the specific directions, limited operations, methods, and structures described in the specification. Such direction nouns do not constitute a limitation to the present utility model.
[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection or a detachable connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in combination with specific circumstances.
[0027] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A directional guiding device for improving the drilling accuracy of a curtain on a slope surface, characterized in that: Including: a longitudinally arranged guiding steel pipe assembly; the guiding steel pipe assembly is installed on a slope-section drilling and grouting platform vehicle; the lower end of the guiding steel pipe assembly is provided with a groove-shaped structure that fits the slope surface; the drill pipe of a drill installed on the slope-section drilling and grouting platform vehicle extends from the upper end to the lower end of the guiding steel pipe assembly for drilling the slope surface.
2. The directional guiding device for improving the drilling accuracy of the curtain on the slope surface according to claim 1, characterized in that: Further including: A positioning steel plate; the positioning steel plate is provided with a through hole penetrating up and down; a limiting ring is arranged at the upper end of the guiding steel pipe assembly; the guiding steel pipe assembly passes through the through hole and is suspended on the positioning steel plate through the limiting ring; the positioning steel plate is installed on the slope-section drilling and grouting platform vehicle.
3. The directional guiding device for improving the accuracy of curtain drilling on a slope surface according to claim 2, characterized in that: Further including: A fixing pipe fitting; the fixing pipe fitting is fixed on the guiding steel pipe assembly, and the fixing pipe fitting is used for fixedly connecting with the slope-section drilling and grouting platform vehicle.
4. The directional guiding device for improving the accuracy of curtain drilling on a slope surface according to claim 3, characterized in that: The fixing pipe fitting is perpendicular to the guiding steel pipe assembly.
5. The directional guiding device for improving the drilling accuracy of the curtain on the slope surface according to claim 2, characterized in that: The guiding steel pipe assembly includes: a first guiding steel pipe, a fixing steel pipe and a second guiding steel pipe; the lower end of the first guiding steel pipe is fixedly connected with the upper end of the fixing steel pipe by threads; the upper end of the second guiding steel pipe is fixedly connected with the lower end of the fixing steel pipe by threads; the limiting ring is arranged at the upper end of the first guiding steel pipe; the groove is arranged at the lower end of the second guiding steel pipe.