Cast-in-place pile hole forming device for gravel foundation

Abstract

The utility model belongs to the technical field of constructional engineering, and particularly relates to a cast-in-place pile hole-forming device for a gravel foundation, which comprises a base, a machine body is connected to the surface of the top of the base, a drill rod is arranged on the surface of one side of the machine body, and convex blocks are connected to the surfaces of the two ends of the machine body. Through the arrangement of the spray head, after the motor is started, the output end of the motor can drive the screw rod to rotate, and the moving block on the screw rod drives the mounting frame to move, so that when water conveyed by the pump body is sprayed out from the spray head of the water spraying pipe through the conveying hose, the sprayed water can wash the upper part and the lower part of the drill rod; secondly, a limiting mechanism and a limiting block are arranged, so that one end of a conveying hose can be far away from a convex block, and the situation that the conveying hose rubs on the outer side of the convex block when the mounting frame moves up and down is avoided; therefore, the service life of the conveying hose is prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of building engineering technology, specifically relating to a drilling device for cast-in-place piles on sand and gravel foundations. Background Technology

[0002] Before constructing a building, it is usually necessary to drill holes in the ground to build foundation piles. Workers generally use rotary drilling rigs for drilling, and rotary drilling rigs can adapt to various geological conditions and engineering requirements, such as tidal flats, rocks, sandy soil and other geological conditions.

[0003] For example, the drilling and grouting pile forming device disclosed in publication number "CN220081302U" relates to the field of drilling rigs. It includes a mounting plate, a base, a drill rod body for drilling, and an insertion rod for drilling into the ground. The base is fixedly installed on the outer wall of the mounting plate, the drill rod body is disposed on the outer wall of the base, a fixing block is slidably installed on the outer wall of the mounting plate, a T-shaped rod is slidably installed on the outer wall of the fixing block, a support plate for supporting the drilling rig is rotatably installed at the end of the T-shaped rod, the insertion rod is slidably installed on the outer wall of the support plate, a sliding component for sliding the fixing block is provided on the outer wall of the mounting plate, and a limiting component for fixing the angle of the support plate is provided on the outer wall of the T-shaped rod. Through the cooperation of the above structures, this utility model can, based on the use of the insertion rod, effectively increase the contact area between the device and the ground by controlling the bottom surfaces of multiple support plates to stably adhere to the ground, thereby further improving the supporting force.

[0004] The inventors believe that the above-mentioned grouting pile drilling device can also be used for drilling operations on sand and gravel foundations. Therefore, it is also a grouting pile drilling device for sand and gravel foundations. However, when the grouting pile drilling device is in use, after the drill rod on the grouting pile drilling device completes the drilling operation, a lot of soil will be attached to the surface of the drill rod. At this time, the operator needs to use tools to slowly clean the soil off the drill rod. This operation is cumbersome and time-consuming, thus causing inconvenience to the cleaning work of the grouting pile drilling device.

[0005] Therefore, this utility model provides a drilling device for cast-in-place piles on gravel foundations to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a drilling device for cast-in-place piles on gravel foundations, which aims to solve the problem that after the drill rod of the existing drilling device is completed, a lot of soil will be attached to the surface of the drill rod. At this time, the operator needs to use tools to slowly clean the soil off the drill rod. This operation is cumbersome and time-consuming, which brings inconvenience to the cleaning work of the drilling device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a drilling device for cast-in-place piles in sand and gravel foundations, comprising a base, an organism connected to the top surface of the base, a drill rod provided on one side surface of the organism, protrusions connected to both ends of the organism, a movable groove provided on one side surface of the protrusion, bearings connected to both ends of the inner side surface of the movable groove, a screw connected between the two bearings, one end of the screw extending into the protrusion and connected to the output end of a motor, and a movable block penetrating through one end of the screw, a mounting frame connected to one side surface of the movable block, a water spray pipe connected to the inner side surface of the mounting frame, a nozzle provided on the outer side surface of the water spray pipe, a delivery hose connected to one end of the water spray pipe, the other end of the delivery hose penetrating through the mounting frame and connected to the output end of a pump body, a pipe connected to the input end of the pump body, the other end of the pipe extending into the interior of a water tank, and a limit mechanism also provided on one end surface of the protrusion.

[0008] In order to keep the conveying hose away from the protrusion, as a preferred embodiment of the grouting pile drilling device for sand and gravel foundations of this utility model, the limiting mechanism includes: a vertical block, a sliding rod, and a limiting block. The vertical block is connected to one end surface at both ends of the protrusion, and the sliding rod is connected between the two vertical blocks. One end of the sliding rod is connected through the limiting block, and one end of the conveying hose is connected through one side surface of the limiting block.

[0009] In order to achieve normal operation control of the motor and pump body and drive the screw to rotate, as a preferred embodiment of the grouting pile drilling device for sand and gravel foundation of this utility model, the motor and pump body are electrically connected to an external power supply through a control switch, and the output end of the motor is fixedly connected to the screw.

[0010] In order to enable the movement of the movable block, as a preferred embodiment of the grouting pile drilling device for sand and gravel foundations of this utility model, the movable block and the screw are connected by a thread, and the movable block is connected to the protrusion through a movable groove.

[0011] In order to enable the water sprayed from the nozzle to wash the drill rod, in a preferred embodiment of the present invention for a bored pile drilling device for sand and gravel foundations, the position of the nozzle is matched with the position of the drill rod.

[0012] In order to enable the limiting block to move the conveying hose on the slide rod, as a preferred embodiment of the grouting pile drilling device for sand and gravel foundations of this utility model, the limiting block and the slide rod are slidably connected, and the limiting block and the conveying hose are fixedly connected.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention features a nozzle that, when the motor is started, allows the motor's output to drive the screw to rotate, causing the moving block on the screw to move the mounting bracket. This allows water from the pump to be sprayed from the nozzle through the delivery hose, effectively rinsing the drill rod from top to bottom. This eliminates the need for operators to manually clean the drill rod with tools, thus facilitating the cleaning of the bored pile drilling device.

[0015] This invention features a limiting mechanism that allows one end of the delivery hose to move away from the protrusion, preventing the delivery hose from rubbing against the outside of the protrusion when the mounting frame moves up and down, thereby improving the service life of the delivery hose. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a top view of the structure of this utility model;

[0019] Figure 3 This is a partial structural diagram of the protrusion of this utility model;

[0020] Figure 4 This is a partial structural diagram of the upright block of this utility model.

[0021] In the diagram: 1. Base; 2. Body; 3. Drill rod; 4. Protrusion; 5. Movable groove; 6. Bearing; 7. Screw; 8. Motor; 9. Moving block; 10. Mounting bracket; 11. Water spray pipe; 12. Nozzle; 13. Delivery hose; 14. Pump body; 15. Pipe; 16. Water tank; 17. Vertical block; 18. Slide rod; 19. Limiting block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4The present invention provides the following technical solution: a drilling device for cast-in-place piles in sand and gravel foundations, comprising a base 1, an organism 2 connected to the top surface of the base 1, a drill rod 3 provided on one side surface of the organism 2, protrusions 4 connected to both ends of the organism 2, a movable groove 5 provided on one side surface of the protrusions 4, bearings 6 connected to both ends of the inner side surface of the movable groove 5, a screw 7 connected between the two bearings 6, one end of the screw 7 extending into the protrusions 4 and connected to the output end of the motor 8, and a moving block 9 penetrating through one end of the screw 7, a mounting frame 10 connected to one side surface of the moving block 9, a water spray pipe 11 connected to the inner side surface of the mounting frame 10, a nozzle 12 provided on the outer side surface of the water spray pipe 11, a conveying hose 13 connected to one end of the water spray pipe 11, the other end of the conveying hose 13 penetrating through the mounting frame 10 and connected to the output end of the pump body 14, a pipe 15 connected to the input end of the pump body 14, the other end of the pipe 15 extending into the interior of the water tank 16, and a limit mechanism also provided on one end surface of the protrusions 4.

[0024] Preferably, the limiting mechanism includes: a vertical block 17, a sliding rod 18 and a limiting block 19. The vertical block 17 is connected to one end surface at both ends of the protrusion 4. The sliding rod 18 is connected between the two vertical blocks 17. One end of the sliding rod 18 is connected through the limiting block 19. One end of the conveying hose 13 is connected through one side surface of the limiting block 19.

[0025] In actual use, when the conveying hose 13 is moved up and down by the mounting frame 10, the conveying hose 13 will drive the limiting block 19 to slide on the slide rod 18 to ensure that the conveying hose 13 can move normally. In this way, the limiting block 19 will restrict the position of the conveying hose 13, keep the conveying hose 13 away from the protrusion 4, and prevent the conveying hose 13 from rubbing against the outside of the protrusion 4 when the mounting frame 10 moves up and down.

[0026] Preferably, the motor 8 and the pump body 14 are electrically connected to an external power source via a control switch, and the output end of the motor 8 is fixedly connected to the screw 7.

[0027] In practical use, the motor 8 and the pump body 14 can be controlled by a switch. When the output end of the motor 8 rotates, it can drive the screw 7 to rotate in the bearing 6.

[0028] Preferably, the movable block 9 and the screw 7 are connected by a thread, and the movable block 9 is connected to the protrusion 4 by a sliding connection through the movable groove 5.

[0029] In actual use, when the screw 7 rotates, the moving block 9 on the screw 7 will move along the movable groove 5 on the protrusion 4.

[0030] Preferably, the position of the nozzle 12 matches the position of the drill rod 3.

[0031] In actual use, the water sprayed from nozzle 12 can effectively wash the drill rod 3.

[0032] Preferably, the limiting block 19 and the slide rod 18 are slidably connected, and the limiting block 19 and the delivery hose 13 are fixedly connected.

[0033] In actual use, when the delivery hose 13 is moved up and down by the mounting bracket 10, the delivery hose 13 will drive the limit block 19 to slide on the slide rod 18.

[0034] Working principle: When using this grouting pile drilling device for gravel foundations, the device is moved to the designated drilling position on the gravel foundation by the movable wheels at the bottom of the base 1. The drive mechanism connected to the drill rod 3 is activated, allowing the drill rod 3 to move downwards and drill at the designated location on the gravel foundation, thus completing the grouting pile drilling operation. After the grouting pile drilling device is used, a significant amount of soil will adhere to the surface of the drill rod 3. At this point, the motor 8 is activated, causing the output end of the motor 8 to drive the screw 7 to rotate in the bearing 6. This allows the movable block 9 on the screw 7 to move along the movable groove 5 on the protrusion 4. The movable block 9 then moves the mounting bracket 10 up and down on the protrusion 4. Simultaneously, the pump body 14 is activated, and the input end of the pump body 14 draws water from the water tank 16 through the pipe 15. The drawn water is then transported to the spray pipe through the delivery hose 13 connected to the input end of the pump body 14. In step 11, the nozzles 12 on the water spray pipe 11 will spray water. When the mounting frame 10 moves with the nozzles 12, the sprayed water will flush the drill rod 3, thus cleaning the drill rod 3. This operation avoids the need for operators to slowly clean the drill rod 3 with tools, making the cleaning of the grouting pile hole-forming device more convenient. Secondly, when the mounting frame 10 moves up and down, the conveying hose 13 connected to the mounting frame 10 will drive the limiting block 19 connected to one end to slide on the sliding rod 18, ensuring that the conveying hose 13 moves with the mounting frame 10. When the conveying hose 13 moves, the limiting block 19 will restrict the position of the conveying hose 13, keeping the conveying hose 13 away from the protrusion 4, preventing the conveying hose 13 from rubbing against the outside of the protrusion 4 when the mounting frame 10 moves up and down, thereby improving the service life of the conveying hose 13.

[0035] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A drilling device for cast-in-place piles on gravel foundations, comprising a base (1), characterized in that: The top surface of the base (1) is connected to the body (2). A drill rod (3) is provided on one side surface of the body (2). Protrusions (4) are connected to both ends of the body (2). A movable groove (5) is opened on one side surface of the protrusion (4). Bearings (6) are connected to both ends of the inner side surface of the movable groove (5). A screw (7) is connected between the two bearings (6). One end of the screw (7) extends into the protrusion (4) and is connected to the output end of the motor (8). A moving block (9) is connected through one end of the screw (7). A mounting bracket (10) is connected to the surface of the device. A water spray pipe (11) is connected to the inner surface of the mounting bracket (10). A nozzle (12) is provided on the outer surface of the water spray pipe (11). One end of the water spray pipe (11) is connected to a delivery hose (13). The other end of the delivery hose (13) passes through the mounting bracket (10) and is connected to the output end of the pump body (14). The input end of the pump body (14) is connected to a pipe (15). The other end of the pipe (15) extends into the interior of the water tank (16). A limit mechanism is also provided on one end of the protrusion (4). The limiting mechanism includes: a standing block (17), a sliding rod (18) and a limiting block (19). The standing block (17) is connected to one end surface of both ends of the protrusion (4). The sliding rod (18) is connected between the two standing blocks (17). One end of the sliding rod (18) is connected through the limiting block (19). One end of the conveying hose (13) is connected through one side surface of the limiting block (19).

2. The drilling device for cast-in-place piles on gravel foundations according to claim 1, characterized in that: The motor (8) and the pump body (14) are electrically connected to an external power source via a control switch, and the output end of the motor (8) is fixedly connected to the screw (7).

3. The drilling device for cast-in-place piles on gravel foundations according to claim 1, characterized in that: The movable block (9) and the screw (7) are connected by a thread, and the movable block (9) is connected to the protrusion (4) by a movable groove (5).

4. The drilling device for cast-in-place piles on gravel foundations according to claim 1, characterized in that: The position of the nozzle (12) matches the position of the drill rod (3).

5. The drilling device for cast-in-place piles on gravel foundations according to claim 1, characterized in that: The limiting block (19) and the slide rod (18) form a sliding connection, and the limiting block (19) and the delivery hose (13) form a fixed connection.

Images