Collecting device for slurry generated by pavement core drilling sampling
By designing a cylindrical mud collection cylinder with a plastic sealing body and retaining ring structure, the problems of mud splashing and ground pollution were solved, achieving efficient and low-cost mud collection, simplifying equipment operation, and improving construction efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN YUNJIAOJIAN ENG TESTING CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-14
AI Technical Summary
In the current process of core drilling for road surfaces, mud splashes and flows, polluting the ground, and the frequent relocation of the negative pressure pump increases the labor intensity of the operators.
Design a cylindrical mud collection cylinder equipped with a plastic sealing body and a discharge pipe, combined with a retaining ring structure, to seal mud collection and simplify equipment relocation, reducing ground pollution.
It effectively blocks mud splashes, reduces the area of ground pollution, reduces the amount of cleanup work, simplifies equipment handling, improves construction efficiency, and reduces maintenance costs.
Smart Images

Figure CN224120211U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of engineering testing equipment technology, and in particular to a device for collecting mud generated from road core drilling. Background Technology
[0002] When using a core drill for road sampling, coolant needs to be continuously added due to the friction between the drill bit and the road surface. This not only controls the drill bit temperature, preventing overheating, wear, and workpiece deformation, but also lubricates the drill bit and removes debris to reduce jamming. However, the slurry formed by the coolant mixing with debris can splash onto the machine and the operator, and contaminate the new road surface. Therefore, cleaning equipment is required. While washing can clean the surface, it wastes water resources and increases construction costs.
[0003] To address the aforementioned problems, Chinese utility model patent publication number CN 215726910 U discloses a road drilling mud collection device, comprising a mud confinement assembly to prevent mud from flowing freely within a barrier, a mud collection assembly for collecting and storing the mud, and a negative pressure pump for generating negative pressure within the mud collection assembly. The mud generated during drilling is blocked by the mud confinement assembly and remains within it. The negative pressure generated by the negative pressure pump forces the mud to flow through a connecting hose into the mud collection assembly, preventing mud from splashing and flowing everywhere during road drilling and avoiding pollution of the road surface. While this device solves the problem of mud splashing and flowing, polluting the ground, it still has shortcomings. The main drawback is the use of a negative pressure pump for mud extraction. With numerous boreholes drilled on-site, the negative pressure pump, its power supply, and power cord need to be frequently moved, resulting in high labor intensity for operators. Therefore, improvements are necessary. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a device for collecting mud generated by road core drilling.
[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:
[0006] A device for collecting mud generated from road core drilling includes a mud collection cylinder, at least one mud collection tray, a plastic sealing body, and a discharge pipe; the mud collection cylinder is cylindrical with an inner diameter larger than the outer diameter of the drill bit of the drilling equipment; one end of the discharge pipe is fixed to the side wall of the mud collection cylinder and close to the bottom of the mud collection cylinder; the mud collection tray is used to collect the mud flowing out of the discharge pipe; the plastic sealing body is used to seal the inner side of the mud collection cylinder at the contact point with the ground.
[0007] Preferably, the difference between the inner radius of the mud collection cylinder and the radius of the drill bit of the drilling equipment is 4-6 cm.
[0008] Preferably, the outer wall of the mud collection cylinder is provided with a handle.
[0009] Preferably, the upper end of the mud collection cylinder is provided with an inwardly extending baffle ring, which is circular in shape.
[0010] Preferably, the retaining ring includes a retaining part that engages with the upper end of the mud collection cylinder, and an annular blocking part that is fixedly connected to the retaining part; the retaining part is provided with a groove for engaging with the mud collection cylinder, and the retaining ring is made of an elastic material.
[0011] Preferably, the plastic sealant is butter, putty, mortar, or asphalt.
[0012] Preferably, the mud collection cylinder is provided with a pipe joint, and the slurry discharge pipe is detachably connected to the pipe joint.
[0013] Preferably, the height of the mud collection tray is no more than 2 cm.
[0014] Preferably, the mud collection cylinder has a buffer layer inside.
[0015] The above technical solution has the following advantages:
[0016] (1) This utility model uses a cylindrical mud collection cylinder, which results in a smaller gap between the mud collection cylinder and the drill bit, meaning a smaller contaminated area on the ground and less cleaning work. At the same time, because the inner wall of the mud collection cylinder is closer to the drill bit, it has a better effect on blocking mud splashing from the borehole opening. The height of the mud collection cylinder can be appropriately reduced, and its weight is lighter, making it easier for personnel to handle and use. Furthermore, the mud in the mud collection cylinder flows into the collection pan, resulting in a simpler overall structure, lower maintenance costs, and a lighter overall weight, facilitating rapid relocation and use, and further improving construction efficiency.
[0017] (2) The lower part of the mud collection cylinder of this utility model adopts a plastic sealing body, so the sealing performance is better, especially the sealing of rough surfaces such as asphalt pavement is more reliable, which can prevent mud leakage and contamination of more ground, thereby reducing the amount of ground cleaning work.
[0018] (3) A retaining ring is provided at the upper end of the mud collection cylinder of this utility model. The retaining ring is made of elastic material, such as plastic or rubber, which can further reduce mud splashing and does not interfere with the insertion of the drill bit and drilling work. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;
[0020] Figure 2 for Figure 1 The left view;
[0021] Figure 3 for Figure 1 Top view;
[0022] Figure 4 for Figure 1 A three-dimensional image;
[0023] Figure 5 This is a three-dimensional sectional enlarged view of the mud collection cylinder;
[0024] Figure 6 for Figure 5 Enlarged view of section A;
[0025] In the picture:
[0026] 1-Mud collection cylinder, 2-Mud collection tray, 3-Plastic sealing body, 4-Drainage pipe, 5-Handle, 6-Stabilizing ring, 7-Snap-fit part, 8-Stabilizing groove, 9-Annular shielding part, 10-Pipe joint. Detailed Implementation
[0027] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0028] As shown in the attached figure, a device for collecting mud generated from road core drilling includes a mud collection cylinder 1, at least one mud collection pan 2, a plastic sealing body 3, and a discharge pipe 4. The mud collection cylinder 1 is cylindrical, with an inner diameter larger than the outer diameter of the drill bit of the drilling equipment. One end of the discharge pipe 4 is fixed to the side wall of the mud collection cylinder 1 and close to the bottom of the mud collection cylinder 1. The mud collection pan 2 is used to collect the mud flowing out of the discharge pipe 4. The plastic sealing body 3 is used to seal the inner side of the mud collection cylinder 1 at the contact point with the ground.
[0029] As a preferred technical solution in this embodiment, the difference between the inner radius of the mud collection cylinder 1 and the radius of the drill bit of the drilling equipment is 4-6 cm. This minimizes the area of ground contamination while ensuring convenient insertion of the drill bit and avoiding interference with its operation.
[0030] As a further improvement to this embodiment, the outer wall of the mud collection cylinder 1 is provided with a handle 5 to facilitate the movement of the mud collection cylinder 1.
[0031] As a further improvement to this embodiment, an inwardly extending baffle ring 6 is provided at the upper end of the mud collection cylinder 1. The baffle ring 6 is annular. By providing the baffle ring 6, mud splashing can be further reduced, and the height of the mud collection cylinder 1 can also be appropriately reduced after providing the baffle ring 6, thereby reducing its weight.
[0032] As a further improved technical solution in this embodiment, the retaining ring 6 includes a retaining part 7 that engages with the upper end of the mud collection cylinder 1, and an annular blocking part 9 that is fixedly connected to the retaining part 7; the retaining part 7 is provided with a groove 8 that engages with the mud collection cylinder 1; the retaining ring 6 is made of an elastic material, such as rubber or plastic, so as to facilitate the disassembly and assembly of the retaining ring 6 and the cleaning and maintenance of the mud collection cylinder 1.
[0033] In this embodiment, the plastic sealant 3 can be made of materials with sealing properties such as butter, putty, mortar, or asphalt.
[0034] As a further improvement to this embodiment, the mud collection cylinder 1 is provided with a pipe joint 10, and the slurry discharge pipe 4 is detachably connected to the pipe joint 10 to facilitate the disassembly and replacement of the slurry discharge pipe 4.
[0035] As a further improvement to this embodiment, the height of the mud collection pan 2 is no higher than 2cm, so as to facilitate the discharge of mud from the mud collection cylinder 1 and avoid the mud level in the mud collection cylinder 1 being too high.
[0036] As a further improvement to this embodiment, a buffer layer (not shown in the figure) is provided inside the mud collection cylinder 1. The buffer layer can be made of foamed plastic or foamed sponge, etc., to further reduce the splashing caused by mud hitting the inner wall of the mud collection cylinder 1.
[0037] In use, first place the mud collection cylinder 1 at the confirmed drilling point. Then, use the plastic sealing body 3 to seal the contact point between the inner wall of the mud collection cylinder 1 and the ground to prevent mud leakage. Next, connect the discharge pipe 4 to the mud collection cylinder 1 (this connection can be done in advance). Then, place the outlet end of the discharge pipe 4 into the mud collection tray 2. After that, move the drilling equipment to the installed mud collection cylinder 1, ensuring that the drill bit of the drilling equipment is basically aligned with the confirmed drilling point. Then, the drilling equipment can be started. Drilling is performed, and the drilling mud produced is blocked and collected by the mud collection cylinder 1 and discharged into the mud collection pan 2 through the mud discharge pipe 4. When the mud collection pan 2 is full of mud, a new mud collection pan 2 can be replaced. After drilling is completed, the drilling equipment is removed, and then the ground enclosed by the inner wall of the mud collection cylinder 1 is washed with water. The residual mud and flushing water enter the borehole. After cleaning, the mud collection cylinder 1 can be removed and the plastic seal 3 can be cleaned and recycled. Of course, in order to further reduce mud splashing, a retaining ring 6 can also be installed on the mud collection cylinder 1.
[0038] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.
Claims
1. A device for collecting mud generated from road core drilling, comprising a mud collection cylinder (1), at least one mud collection tray (2), a plastic sealing body (3), and a mud discharge pipe (4); characterized in that: The mud collection cylinder (1) is cylindrical, with an inner diameter larger than the outer diameter of the drill bit of the drilling equipment; one end of the discharge pipe (4) is fixed to the side wall of the mud collection cylinder (1) and close to the bottom of the mud collection cylinder (1); the mud collection pan (2) is used to collect the mud flowing out of the discharge pipe (4); the plastic seal (3) is used to seal the inner side of the mud collection cylinder (1) at the contact point with the ground.
2. The mud collection device generated from road core drilling sampling according to claim 1, characterized in that: The difference between the inner radius of the mud collection cylinder (1) and the radius of the drill bit of the drilling equipment is 4-6 cm.
3. The device for collecting mud generated from road core drilling according to claim 1 or 2, characterized in that: The mud collection cylinder (1) is provided with a handle (5) on its outer wall.
4. The device for collecting mud generated from road core drilling according to claim 1 or 2, characterized in that: The upper end of the mud collection cylinder (1) is provided with an inwardly extending baffle (6), which is circular in shape.
5. The mud collection device generated from road core drilling sampling according to claim 4, characterized in that: The retaining ring (6) includes a retaining part (7) that engages with the upper end of the mud collection cylinder (1) and an annular blocking part (9) that is fixedly connected to the retaining part (7); the retaining part (7) is provided with a groove (8) that engages with the mud collection cylinder (1), and the retaining ring (6) is made of an elastic material.
6. The device for collecting mud generated from road core drilling according to claim 1 or 2, characterized in that: The plastic sealant (3) is butter, putty, mortar or asphalt.
7. The device for collecting mud generated from road core drilling according to claim 1 or 2, characterized in that: The mud collection cylinder (1) is provided with a pipe joint (10), and the slurry discharge pipe (4) is detachably connected to the pipe joint (10).
8. The device for collecting mud generated from road core drilling according to claim 1 or 2, characterized in that: The height of the mud collection pan (2) is no higher than 2cm.
9. The device for collecting mud generated from road core drilling according to claim 1 or 2, characterized in that: The mud collection cylinder (1) has a buffer layer inside.