A drilling device for anchor bolts on the slope of a saturated soft loess foundation pit

Abstract

This utility model relates to the field of civil engineering technology and discloses a drilling device for anchor bolts on the slope of a saturated soft loess foundation pit. It includes a mounting frame, a cylinder fixedly connected to the top of the mounting frame, a motor fixedly connected to the left end of the cylinder, and a feeding mechanism on the top of the mounting frame. The feeding mechanism includes a support frame fixedly connected to the top of the mounting frame, a feeding box fixedly connected to the top of the support frame, a clamping ring fixedly connected to the bottom inner wall of the mounting frame via a telescopic rod, a movable part on the inner wall of the clamping ring, a connecting block fixedly connected to the front outer arc surface of the clamping ring, and a pushing mechanism on the front inner wall of the feeding box. In this utility model, when the drill bit needs to be replaced, the automatic reset function can be achieved without manually lifting the drill bit, avoiding the cumbersome traditional manual operation. At the same time, the ball bearings reduce friction during drill bit movement, making the process of extending the drilling depth smoother and significantly improving drilling efficiency.

Description

Technical Field

[0001] This utility model relates to the field of civil engineering technology, and in particular to a drilling device for anchor bolts on the slope of a saturated soft loess foundation pit. Background Technology

[0002] Saturated soft loess foundation pit slope refers to the slope formed when excavating a foundation pit in a saturated soft loess layer. To ensure the safety of foundation pit excavation, the surrounding soil is excavated at a certain slope to form a sloping structure. Its stability directly affects the safety of foundation pit construction and the surrounding environment. When excavating a foundation pit in saturated soft loess, the slope is prone to instability due to soil characteristics and environmental factors, so anchor drilling and anchor support operations are required.

[0003] When drilling anchor bolts, the drill bit is first installed on the drilling machine, and then the cylinder is started to move the motor, which in turn drives the drill bit to perform the drilling operation. However, when the required drilling length is deep, the motor needs to be removed and the drill bit reinstalled. This allows the reinstalled drill bit to squeeze the drill bit already driven into the slope, extending the drilling depth. The installation and disassembly require lifting the drill bit and aligning it with the corresponding position, which is quite troublesome. Therefore, an anchor bolt drilling device for saturated soft loess foundation pit slope is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a drilling device for anchor bolts on the slope of a saturated soft loess foundation pit, which aims to improve the problem that the installation of the drill bit by hand is relatively troublesome in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a drilling device for anchor bolts on the slope of a saturated soft loess foundation pit, comprising a mounting frame, a cylinder fixedly connected to the top of the mounting frame, a motor fixedly connected to the left end of the cylinder, and a feeding mechanism provided on the top of the mounting frame;

[0006] The feeding mechanism includes a support frame fixedly connected to the top of the mounting frame, a feeding box fixedly connected to the top of the support frame, a clamping ring fixedly connected to the bottom inner wall of the mounting frame via a telescopic rod, a movable part provided on the inner wall of the clamping ring, a connecting block fixedly connected to the front outer arc surface of the clamping ring, a directional plate fixedly connected to the bottom of the motor, a guide groove and a connecting groove respectively opened on the top of the mounting frame, and a pushing mechanism provided on the front inner wall of the feeding box.

[0007] As a further description of the above technical solution:

[0008] The movable component includes a ball bearing rotatably connected to the inner wall of the clamping ring.

[0009] As a further description of the above technical solution:

[0010] The inner surface width of the connecting groove is greater than the width of the clamping ring, and the inner wall width of the guide groove is greater than the width of the directional plate.

[0011] As a further description of the above technical solution:

[0012] The top movable end of the telescopic rod is fixedly connected to the bottom of the clamping ring, and the bottom end of the telescopic rod is fixedly connected to the bottom of the inner wall of the mounting frame.

[0013] As a further description of the above technical solution:

[0014] The outer arc surface of the middle part of the connecting block contacts the inner wall of the directional plate.

[0015] As a further description of the above technical solution:

[0016] The pushing mechanism includes a pushing column slidably connected to the inner wall of the feeding box. A guide plate is fixedly connected to the rear end of the pushing column, and a circular plate column is fixedly connected to the front end of the pushing column. A plastic buckle is fixedly connected to the bottom front surface of the feeding box, and the outer cylindrical part of the circular plate column is engaged with the inner wall of the plastic buckle.

[0017] As a further description of the above technical solution:

[0018] The outer wall of the guide plate is slidably connected to the inner wall of the feeding box.

[0019] As a further description of the above technical solution:

[0020] The guide plate has an L-shaped cross-section.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, through the cooperation between the mounting bracket, motor, cylinder and feeding mechanism, when the drill bit needs to be replaced, the automatic reset function can be achieved without manual lifting of the drill bit, avoiding the cumbersome traditional manual operation. At the same time, the ball bearings reduce the friction of the drill bit movement, making the process of extending the drilling depth smoother and greatly improving drilling efficiency.

[0023] 2. In this utility model, through the mutual cooperation between the set push mechanism and other structures, the push column is moved during use, thereby driving the guide plate to move, so that the single set of drill bits can be fed, which is simple and convenient to operate. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of an anchor drilling device for a saturated soft loess foundation pit slope proposed in this utility model.

[0025] Figure 2This is a schematic diagram of the internal cross-section of the mounting frame of the anchor drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0026] Figure 3 This is a three-dimensional schematic diagram of the support frame of the anchor drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0027] Figure 4 This is a three-dimensional schematic diagram of the directional plate of the anchor bolt drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0028] Figure 5 This is a three-dimensional schematic diagram of the guide groove of the anchor bolt drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0029] Figure 6 This is a schematic diagram of the internal cross-section of the feeding box of the anchor bolt drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0030] Figure 7 This is an enlarged structural diagram of point A of the anchor bolt drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0031] Figure 8 This is an enlarged structural diagram of point B of the anchor drilling device for saturated soft loess foundation pit slope proposed in this utility model.

[0032] Legend:

[0033] 1. Mounting bracket; 2. Cylinder; 3. Motor; 4. Feeding mechanism; 401. Support frame; 402. Feeding box; 403. Telescopic rod; 404. Orientation plate; 405. Connecting block; 406. Ball bearing; 407. Clamping ring; 408. Connecting groove; 409. Guide groove; 5. Pushing mechanism; 501. Pushing column; 502. Guide plate; 503. Circular plate column; 504. Plastic buckle. Detailed Implementation

[0034] 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.

[0035] Reference Figures 1-3This utility model provides an embodiment of a drilling device for anchor bolts on the slope of a saturated soft loess foundation pit, comprising a mounting frame 1, a cylinder 2 fixedly connected to the top of the mounting frame 1, the mounting frame 1 being able to be installed on a corresponding movable base for convenient drilling, a motor 3 fixedly connected to the left end of the cylinder 2, and a corresponding drill bit being installed on the left side of the motor 3 by bolts, and a feeding mechanism 4 being provided on the top of the mounting frame 1; the feeding mechanism 4 facilitates the installation of subsequent drill bits.

[0036] Reference Figures 2-4 The feeding mechanism 4 includes a support frame 401 fixedly connected to the top of the mounting frame 1. A feeding box 402 is fixedly connected to the top of the support frame 401. The support frame 401 supports the feeding box 402. The feeding box 402 is divided into two parts: the upper part is frustoconical and the lower part is square, allowing the drill bit to be discharged downwards. A clamping ring 407 is fixedly connected to the bottom inner wall of the mounting frame 1 via a telescopic rod 403. The clamping ring 407 can move vertically via the telescopic rod 403. A movable part is provided on the inner wall of the clamping ring 407. The movable part can reduce the friction between the clamping ring 407 and the drill bit. Friction; a connecting block 405 is fixedly connected to the outer arc surface of the front of the clamping ring 407. The connecting block 405 enables the clamping ring 407 to move synchronously. A guide plate 404 is fixedly connected to the bottom of the motor 3. Two sets of guide plates 404 are provided and move synchronously through the motor 3. The top of the mounting frame 1 is provided with a guide groove 409 and a connecting groove 408. Two sets of guide grooves 409 and connecting grooves 408 are provided. A pushing mechanism 5 is provided on the inner wall of the front side of the feeding box 402. The pushing mechanism 5 enables a single set of drill bits to enter the bottom (inside the square frame) of the feeding box 402.

[0037] Reference Figures 4-6 The movable component includes a ball bearing 406 rotatably connected to the inner wall of the clamping ring 407. The spherical surface of the ball bearing 406 directly contacts the drill bit, facilitating the drill bit's movement to the left. The inner surface width of the connecting groove 408 is greater than the width of the clamping ring 407. This larger width allows the clamping ring 407 to move downwards into the interior of the mounting bracket 1, thus not affecting the normal leftward movement of the drill bit. The inner wall width of the guide groove 409 is greater than the width of the directional plate 404. This larger width allows the directional plate 404 to move... There will be no motion interference. The top movable end of the telescopic rod 403 is fixedly connected to the bottom of the clamping ring 407, and the bottom end of the telescopic rod 403 is fixedly connected to the bottom of the inner wall of the mounting bracket 1. The telescopic rod 403 enables the clamping ring 407 to move vertically. The outer arc surface of the middle part of the connecting block 405 contacts the inner wall of the directional plate 404. A fixing groove is opened inside the directional plate 404. The fixing groove enables the motor 3 to move to the left, and the corresponding movable end of the telescopic rod 403 will drive the clamping ring 407 to move downward synchronously.

[0038] Reference Figures 7-8 The pushing mechanism 5 includes a pushing column 501 slidably connected to the inner wall of the feeding box 402. A guide plate 502 is fixedly connected to the rear end of the pushing column 501. The movement of the pushing column 501 drives the guide plate 502 to move synchronously. A circular plate column 503 is fixedly connected to the front end of the pushing column 501. The two move in the same direction. A plastic buckle 504 is fixedly connected to the bottom front surface of the feeding box 402. The plastic buckle 504 can play a fixing role. The outer cylindrical part of the circular plate column 503 is engaged with the inner wall of the plastic buckle 504. The two are engaged to fix the circular plate column 503. The outer wall of the guide plate 502 is slidably connected to the inner wall of the feeding box 402. The sliding setting avoids movement interference. The cross-section of the guide plate 502 is L-shaped. When the guide plate 502 moves backward, it can close the conical bottom opening of the feeding box 402. At this time, a set of drill bits can be moved backward. Then, due to their own weight, the drill bits can fall downward and move to the upper surface of the ball bearing 406.

[0039] Working principle: When drilling for anchor bolts on the slope of a saturated soft loess foundation pit, the cylinder 2 is started to drive the motor 3 and the directional plate 404 to move. The inner wall of the directional plate 404 contacts the connecting block 405, pushing the clamping ring 407 downward along the telescopic rod 403, so that the ball bearings 406 on the inner wall of the clamping ring 407 contact the drill bit. The ball bearings 406 are designed to facilitate the movement of the drill bit. (At this time, the clamping ring 407 will move downward and retract into the mounting frame 1 so as not to affect the normal movement of the drill bit). After the movement is completed, the drill bit is disassembled. Then, the cylinder 2 is started in reverse so that the cylinder 2 moves in the opposite direction. At this time, the directional plate 404 will move synchronously, thereby driving the clamping ring 407 to move upward. When the motor 3 moves to a certain position, the clamping ring 407 will reset so that the installation operation can be performed next time.

[0040] After the clamping ring 407 is reset, the circular plate column 503 is pulled out from the plastic buckle 504, and then the column 501 is pushed to move the guide plate 502 backward, thereby pushing the drill bit that has already fallen to the rear side, so that the drill bit falls onto the ball bearing 406 under the action of gravity. Since the guide plate 502 is L-shaped, when the drill bit is pushed, the bottom opening of the feed box 402 will be closed, thereby preventing the drill bit from sliding down. At this time, a new drill bit can be installed, which can be completed without manual lifting of the drill bit, thus conveniently extending the drilling depth. After installation, the guide plate 502 is moved forward to open the bottom opening of the feed box 402, and the drill bit falls down into the square frame at the bottom of the feed box 402, thus facilitating the next use.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drilling device for anchor bolts on the slope of a saturated soft loess foundation pit, comprising a mounting frame (1), characterized in that: A cylinder (2) is fixedly connected to the top of the mounting frame (1), a motor (3) is fixedly connected to the left end of the cylinder (2), and a feeding mechanism (4) is provided on the top of the mounting frame (1). The feeding mechanism (4) includes a support frame (401) fixedly connected to the top of the mounting frame (1). The top of the support frame (401) is fixedly connected to a feeding box (402). The bottom inner wall of the mounting frame (1) is fixedly connected to a clamping ring (407) via a telescopic rod (403). The inner wall of the clamping ring (407) is provided with a movable part. The front outer arc surface of the clamping ring (407) is fixedly connected to a connecting block (405). The bottom of the motor (3) is fixedly connected to a directional plate (404). The top of the mounting frame (1) is respectively provided with a guide groove (409) and a connecting groove (408). The front inner wall of the feeding box (402) is provided with a pushing mechanism (5).

2. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 1, characterized in that: The movable component includes a ball (406) rotatably connected to the inner wall of the clamp (407).

3. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 1, characterized in that: The inner surface width of the connecting groove (408) is greater than the width of the clamping ring (407), and the inner wall width of the guide groove (409) is greater than the width of the directional plate (404).

4. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 1, characterized in that: The top movable end of the telescopic rod (403) is fixedly connected to the bottom of the clamp (407), and the bottom end of the telescopic rod (403) is fixedly connected to the bottom of the inner wall of the mounting bracket (1).

5. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 1, characterized in that: The outer arc surface of the middle part of the connecting block (405) contacts the inner wall of the directional plate (404).

6. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 1, characterized in that: The pushing mechanism (5) includes a pushing column (501) slidably connected to the inner wall of the feeding box (402). The rear end of the pushing column (501) is fixedly connected to a guide plate (502), and the front end of the pushing column (501) is fixedly connected to a circular plate column (503). The bottom front surface of the feeding box (402) is fixedly connected to a plastic buckle (504), and the outer cylindrical part of the circular plate column (503) is engaged with the inner wall of the plastic buckle (504).

7. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 6, characterized in that: The outer wall of the guide plate (502) is slidably connected to the inner wall of the feeding box (402).

8. The drilling device for anchor bolts on saturated soft loess foundation pit slopes according to claim 6, characterized in that: The guide plate (502) has an L-shaped cross-section.

Images