Road drilling machine

Abstract

The utility model belongs to the technical field of drilling machines, and particularly relates to a road drilling machine which comprises a soil retaining cylinder, a soil scraping plate is connected to the upper end of the inner side of the soil retaining cylinder in an inserted mode and comprises a shielding ring, a scraping plate and a limiting plate, the scraping plate is fixed to the middle of the shielding ring, a through hole is formed in the middle of the scraping plate, and a through hole is formed in the middle of the limiting plate. The outer side of the through hole is connected with a spiral groove in a penetrating mode, and a drill rod penetrates through the inner side of the spiral groove. A drill rod of a drilling machine is clamped to the inner side of the through hole and the inner side of the spiral groove, so that the drill rod penetrates through the through hole, the spiral blade on the drill rod is located on the inner side of the spiral groove, then the soil retaining cylinder is placed at the position needing drilling to be fixed, and then the drilling machine is started to enable the drill rod to conduct drilling operation. The drill rod rotating at the uniform speed can smoothly pass through the spiral groove to conduct drilling, the situation that dust on a construction site is large during drilling is avoided through shielding of the soil blocking barrel, and meanwhile when the drill rod moves upwards at the uniform speed after drilling is finished, the drill rod can scrape away attached soil after passing through the soil scraping plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling machines, in particular to a road drilling machine. Background Art

[0002] A drilling machine is a general term for machines and equipment that use a tool that is harder and sharper than the target object to create a cylindrical hole or hole in the target object through rotary cutting or rotary extrusion. It is also known as a drilling machine, punching machine, eyelet drilling machine, or through-hole machine.

[0003] During road construction, a drilling machine is also required to perform drilling operations. However, when a drilling machine is currently used for road drilling, not only is there a lot of dust at the drilling operation site, which affects the construction of workers, but the spiral blades on the drill rod are easily attached to the soil inside the hole, which affects the drilling effect. At the same time, the drill rod needs to be manually cleaned later, which is inconvenient to clean.

[0004] Therefore, a road drilling machine is needed that can prevent the drilling dust from being too large and can facilitate the cleaning of the drill rod. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a road drilling machine with the characteristics of easy dust protection and automatic cleaning.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road drilling machine, comprising a retaining cylinder, a scraper plate being inserted into the inner upper end of the retaining cylinder, the scraper plate comprising a shielding ring, a scraper plate and a limit plate, a scraper plate being fixed in the middle of the shielding ring, a through hole being provided in the middle of the scraper plate, a spiral groove being connected through the outside of the through hole, a drill rod being passed through the inner side of the spiral groove, a limit plate being fixed to the outer wall of the shielding ring, and the limit plate passing through the retaining cylinder.

[0007] As an optimal technical solution for a road drilling machine of the utility model, a movable groove is provided at the upper end of the side wall of the retaining cylinder, the limiting plate passes through the movable groove, a mounting opening is provided at the top of one end of the movable groove, a positioning hole is provided at the other end of the movable groove, the positioning hole passes through the top of the movable groove, a positioning rod is inserted into the inner side of the positioning hole, and the positioning rod is located on one side of the limiting plate.

[0008] As a preferred technical solution of the road drilling machine of the present invention, the width of the mounting opening is greater than the width of the limiting plate.

[0009] As an optimal technical solution for a road drilling machine of the utility model, a positioning plate is fixed to the bottom of the outer wall of the retaining cylinder, and the positioning plate includes a connecting plate, a fixing plate and a pedal. One end of the connecting plate is fixed to the outer wall of the retaining cylinder, and a fixing plate is fixed to the bottom of the other end of the connecting plate, and pedals are fixed on both sides of the other end of the connecting plate.

[0010] As a preferred technical solution of the road drilling machine of the utility model, two limit plates are provided, two movable grooves are provided, and the thickness of the limit plates is adapted to the inner size of the movable grooves.

[0011] As a preferred technical solution of the road drilling machine of the present invention, the size of the spiral groove is adapted to the size of the spiral blade on the drill rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model discloses a kind of ... BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of the retaining cylinder, positioning plate and scraper plate of the utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the earth retaining cylinder of the present utility model;

[0018] Figure 4 It is a three-dimensional schematic diagram of the scraper board of the present utility model.

[0019] In the figure: 1. retaining cylinder; 11. movable groove; 12. mounting opening; 13. positioning rod; 14. positioning hole; 2. positioning plate; 21. connecting plate; 22. fixing plate; 23. pedal; 3. scraper plate; 31. shielding ring; 32. scraper plate; 321. through hole; 322. spiral groove; 33. limit plate; 4. drill rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0021] See also Figure 1-4 The utility model provides the following technical solutions: a road drilling machine, including a retaining tube 1, a scraper plate 3 is inserted into the upper end of the inner side of the retaining tube 1, and the scraper plate 3 includes a shielding ring 31, a scraping plate 32 and a limit plate 33. Figure 1 , Attachment Figure 2 and attached Figure 4 A scraper plate 32 is fixed to the middle of the shielding ring 31, and a through hole 321 is provided in the middle of the scraper plate 32 for the core of the drill rod 4 to pass through. The outer side of the through hole 321 is connected with a spiral groove 322, and the inner side of the spiral groove 322 is penetrated by the drill rod 4. The spiral groove 322 is adapted to the spiral blade of the drill rod 4. A limiting plate 33 is fixed to the outer wall of the shielding ring 31, and the limiting plate 33 passes through the retaining cylinder 1; the size of the spiral groove 322 is adapted to the size of the spiral blade on the drill rod 4 (the rotation speed and the downward speed of the drill rod 4 are kept in a balanced state during drilling. Because the drill rod 4 is made of metal, drilling is relatively easy and drilling operation can be performed without a high rotation speed, that is, the drill rod 4 can pass through like a rotating screw. 321 , the drill rod 4 can be used for dust removal and cleaning.

[0022] Reference Figure 2 and Figure 3When the cam 33 is in the upright position, the cam 33 is in the upright position, and the cam 33 is in the upright position, so that the cam 33 can be fixed to the upper and lower ends of the cam 33 so as to prevent the cam 33 from sliding out of the upright position.

[0023] Reference Figure 1 and Figure 2 As shown, specifically, a positioning plate 2 is fixed to the bottom of the outer wall of the retaining cylinder 1, and the positioning plate 2 includes a connecting plate 21, a fixing plate 22 and a pedal 23. One end of the connecting plate 21 is fixed to the outer wall of the retaining cylinder 1, and a fixing plate 22 is fixed to the bottom of the other end of the connecting plate 21. Bolts and other structures are provided on the fixing plate 22 for fixing to the drilling machine when drilling. Pedals 23 are fixed on both sides of the other end of the connecting plate 21. When this solution is applied to a small handheld drilling tool, after the retaining cylinder 1 is sleeved on the outside of the drill rod 4, it can be fixed by manually stepping on it, and the installation method is flexible and convenient.

[0024] The working principle and usage process of the utility model: When drilling a hole in a road, the utility model engages and installs the scraper plate 3 to the inner side of the retaining cylinder 1, and then inserts the positioning rod 13 to realize the positioning of the scraper plate 3, and then rotates the lower end of the drill rod 4 of the drilling machine through the through hole 321 and the spiral groove 322 in the middle of the scraper plate 3, so that the spiral blades on the drill rod 4 and the spiral groove 322 are adapted, and then the retaining cylinder 1 is fixed by the positioning plate 2, and then the construction personnel can start the drill rod 4 to move downward at a uniform speed to perform the drilling operation. The retaining cylinder 1 can block a large amount of dust generated by drilling. At the same time, after the drilling is completed, when the drill rod 4 moves upward at a uniform speed, the soil attached to the drill rod 4 can be scraped off by the scraper plate 3 and automatically cleaned.

[0025] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A road boring machine, comprising a retaining cylinder (1), characterized in that: A scraper plate (3) is inserted into the inner upper end of the retaining cylinder (1), and the scraper plate (3) comprises a shielding ring (31), a scraping plate (32), and a limiting plate (33). The scraper plate (32) is fixed in the middle of the shielding ring (31), and a through hole (321) is provided in the middle of the scraping plate (32). The outer side of the through hole (321) is connected to a spiral groove (322), and the inner side of the spiral groove (322) is penetrated by a drill rod (4). The limiting plate (33) is fixed to the outer wall of the shielding ring (31), and the limiting plate (33) penetrates the retaining cylinder (1).

2. A road drilling machine according to claim 1, characterized in that: A movable groove (11) is provided at the upper end of the side wall of the retaining cylinder (1), the limiting plate (33) passes through the movable groove (11), a mounting opening (12) is provided at the top of one end of the movable groove (11), a positioning hole (14) is provided at the other end of the movable groove (11), the positioning hole (14) passes through the top of the movable groove (11), a positioning rod (13) is inserted into the inner side of the positioning hole (14), and the positioning rod (13) is located on one side of the limiting plate (33).

3. A road drilling machine according to claim 2, characterized in that: The width of the installation opening (12) is greater than the width of the limiting plate (33).

4. A road drilling machine according to claim 3, characterized in that: A positioning plate (2) is fixed to the bottom of the outer wall of the soil retaining cylinder (1), and the positioning plate (2) comprises a connecting plate (21), a fixing plate (22) and a pedal (23). One end of the connecting plate (21) is fixed to the outer wall of the soil retaining cylinder (1), the fixing plate (22) is fixed to the bottom of the other end of the connecting plate (21), and pedals (23) are fixed on both sides of the other end of the connecting plate (21).

5. A road drilling machine according to claim 4, characterized in that: Two limiting plates (33) are provided, and two moving grooves (11) are provided. The thickness of the limiting plates (33) is adapted to the inner dimensions of the moving grooves (11).

6. A road drilling machine according to claim 5, characterized in that: The size of the spiral groove (322) is compatible with the size of the spiral blade on the drill rod (4).

Images