A kind of pollution prevention device for core drilling machine operation

Abstract

The utility model discloses a kind of pollution-preventing devices for core drilling machine operation, including protective cylinder base, the protective cylinder base is provided with blow-off pipe in its lower end one side, protective cylinder base is inserted with protective cap in the mouth of its top, the middle part of the protective cap is provided with the through-hole of the core drilling machine drill bit passing through, the aperture of the through-hole is less than the aperture in the inside of protective cylinder base, the detachable flexible protective curtain is arranged at the inner side of the through-hole of the protective cap, the protective curtain is annular structure, the drill bit of core drilling machine passes through the hole in the middle part of protective curtain. The utility model is provided with protective cap on the top of protective cylinder base, and is provided with protective curtain on protective cap, the setting of protective cap and protective curtain can shield the gap between drill bit and protective cylinder base, thereby effectively prevent sewage from splashing in protective cylinder base to cause pollution, bring great convenience to core drilling operation.

Description

Technical Field

[0001] This utility model relates to the technical field of road core drilling equipment, specifically to a pollution prevention device for core drilling machine operation. Background Technology

[0002] Core drilling rigs are mainly used to drill cores from materials such as concrete and asphalt for compressive and flexural strength tests. They are widely used in quality inspection scenarios for projects such as highways, airports, ports, and dams. During use, the core drilling rig needs to be moved to the area requiring sampling. Then, the drill bit is controlled to move downwards and drill through the road surface to extract the core blocks needed for the test. During core drilling, the drill bit rotates at high speed, generating dust and causing the drill bit to overheat due to friction. Cooling water is then dripped onto the drilling area to prevent dust generation and cool the drill bit. While this effectively avoids dust generation, the dust produced during core drilling can mix with the cooling water to form... Wastewater continuously flows along the ground, and the wastewater mixed with dust, after drying, forms stubborn stains on the road surface. To avoid this, a protective sleeve is usually installed at the drilling location. The drill bit passes through the protective sleeve and drills into the ground. The wastewater kicked up by the drill bit is blocked by the protective sleeve, and flows out through the drain pipe. A receiving tray is installed at the drain pipe to collect the wastewater. However, in actual use, because the diameter of the protective sleeve is significantly larger than the diameter of the drill bit, a small amount of wastewater still splashes out from the gap at the top of the protective sleeve during drilling. This wastewater splashes onto the equipment or the ground, causing pollution and greatly inconveniencing the drilling operation. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of the existing technology by providing a pollution prevention device for core drilling operations, thereby solving the aforementioned technical problems.

[0004] The present invention adopts the following technical solution: a pollution prevention device for core drilling machine operation, including a protective cylinder base, a drain pipe provided on one side of the lower end of the protective cylinder base, a protective cap inserted into the top edge of the protective cylinder base, a through hole provided in the middle of the protective cap for easy passage of the core drilling machine drill bit, the diameter of the through hole being smaller than the diameter of the inner hole of the protective cylinder base, a detachable flexible protective curtain provided on the inner edge of the through hole of the protective cap, the protective curtain having a ring structure, and the core drilling machine drill bit passing through the hole in the middle of the protective curtain.

[0005] Furthermore, the protective curtain includes an annular base disposed within the through hole, and the base is provided with a flexible anti-fouling brush on the side facing the core drilling bit, the end of the anti-fouling brush being fitted against the outer wall of the core drilling bit.

[0006] Furthermore, the protective cap has an installation edge at its inner edge, and the base rests on top of the installation edge, with the base and the installation edge being fixedly connected by a screw.

[0007] Furthermore, the anti-fouling brush is a plastic brush or a rubber brush.

[0008] Furthermore, the protective cap includes an arc-shaped cap brim located at the top of the protective cylinder base, the through hole is located in the middle of the cap brim, and the lower end of the cap brim is provided with a plug connector that is inserted and fixed to the top port of the protective cylinder base.

[0009] Furthermore, a sealing ring is provided on the outside of the connector, and the sealing ring seals between the connector and the protective sleeve.

[0010] The above-mentioned technical solution of this utility model has the following beneficial effects: By setting a protective cap on the top of the protective cylinder seat and setting a protective curtain on the protective cap, the protective cap and the protective curtain can block the gap between the drill bit and the protective cylinder seat, thereby effectively preventing sewage from splashing out of the protective cylinder seat and causing pollution, and bringing great convenience to core drilling operations. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0012] Figure 1 This is a schematic diagram of the main cross-sectional structure of an embodiment of the present utility model;

[0013] Figure 2 This is a top view of the protective cap in an embodiment of the present invention. Detailed Implementation

[0014] To better understand the above-mentioned objectives, features and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0015] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0016] like Figure 1-2 As shown, this utility model embodiment provides a pollution prevention device for core drilling operations, including a protective cylinder base 1. A drain pipe 2 is provided on one side of the lower end of the protective cylinder base 1. A protective cap 3 is inserted into the top edge of the protective cylinder base 1. A through hole is provided in the middle of the protective cap 3 to facilitate the passage of the core drilling machine drill bit. The diameter of the through hole is smaller than the internal diameter of the protective cylinder base 1. A detachable flexible protective curtain is provided on the inner edge of the through hole of the protective cap 3. The protective curtain has a ring structure, and the core drilling machine drill bit passes through the hole in the middle of the protective curtain.

[0017] The protective curtain includes an annular base 4 set in the through hole. A flexible anti-fouling brush 5 is provided on the side of the base 4 facing the core drilling bit. The end of the anti-fouling brush 5 is fitted to the outer wall of the core drilling bit.

[0018] The protective cap 3 has an installation edge 6 on its inner edge, and the base 4 is placed on top of the installation edge 6. The base 4 and the installation edge 6 are fixedly connected by a screw 7.

[0019] Preferably, the anti-fouling brush 5 is a plastic brush or a rubber brush.

[0020] The protective cap 3 includes an arc-shaped cap brim 3a located at the top of the protective cylinder base 1, a through hole located in the middle of the cap brim 3a, and a plug connector 3b located at the lower end of the cap brim 3a for insertion and fixing to the top port of the protective cylinder base 1.

[0021] A sealing ring 8 is provided on the outside of the connector 3b, and the sealing ring 8 seals between the connector 3b and the protective sleeve 1.

[0022] The working principle of this utility model is as follows: The protective cylinder base 1 is placed on the ground where sampling is required. Then, absorbent cotton is laid on the outside of the protective cylinder base 1. The drill bit of the core drilling machine is then inserted through the hole in the middle of the protective curtain. The core drilling machine is then started, and the end of the drill bit is located inside the protective cylinder base 1 for drilling operations. During the core drilling process, splashed wastewater is blocked by the protective cylinder base 1, its top protective cap 3, and the protective curtain. The generated wastewater is discharged through the drain pipe 2. A receiving tray is installed at the drain pipe 2 to collect the discharged wastewater. Wastewater overflowing from the bottom gap of the protective cylinder seat 1 is absorbed by the washing cotton on the outside of the protective cylinder seat 1. Since the anti-fouling brush 5 is made of flexible material, it will not affect the normal operation of the drill bit. After a long period of sampling, the anti-fouling brush 5 may wear out and need to be replaced. Simply remove the screw 7 that fixes the protective curtain, and the entire protective curtain can be removed. Then, a new protective curtain can be installed. The base 4 of the protective curtain is placed on the mounting edge 6 of the protective cap 3. Finally, the two are fixed together using the screw 7.

[0023] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A pollution prevention device for core drilling operations, characterized in that: The device includes a protective cylinder base, on one side of its lower end, with a drain pipe. A protective cap is inserted into the top edge of the protective cylinder base, and a through hole is provided in the middle of the protective cap to facilitate the passage of the core drilling machine's drill bit. The diameter of the through hole is smaller than the diameter of the hole inside the protective cylinder base. A detachable flexible protective curtain is provided on the inner edge of the through hole of the protective cap. The protective curtain has a ring-shaped structure, and the core drilling machine's drill bit passes through the hole in the middle of the protective curtain.

2. The anti-pollution device for core drilling operations according to claim 1, characterized in that: The protective curtain includes an annular base disposed within the through hole. The base has a flexible anti-fouling brush on the side facing the core drilling bit, and the end of the anti-fouling brush is fitted against the outer wall of the core drilling bit.

3. The anti-pollution device for core drilling operations according to claim 2, characterized in that: The protective cap has an installation edge at its inner edge, and the base is placed on top of the installation edge. The base and the installation edge are fixedly connected by a screw.

4. The anti-pollution device for core drilling operations according to claim 3, characterized in that: The anti-fouling brush is a plastic brush or a rubber brush.

5. A pollution prevention device for core drilling operations according to claim 1, characterized in that: The protective cap includes an arc-shaped brim located at the top of the protective cylinder base, the through hole is located in the middle of the brim, and the lower end of the brim is provided with a plug connector that is inserted and fixed to the top port of the protective cylinder base.

6. The anti-pollution device for core drilling operations according to claim 5, characterized in that: A sealing ring is provided on the outside of the connector, and the sealing ring seals between the connector and the protective sleeve.

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