Cast-in-situ bored pile construction device

Abstract

The utility model relates to the technical field of bridge construction, in particular to a cast-in-situ bored pile construction device which comprises a bottom plate, a fixing plate, a top plate, a guide rail, a lifting frame, a twist drill, a threaded lead screw, a second motor, a limiting assembly, a supporting rod, a supporting column, walking wheels and a control box. During use, the second motor drives the threaded lead screw to rotate, so that the lifting frame in threaded connection with the threaded lead screw achieves lifting motion between the two fixing plates, the lifting motion of the lifting frame drives the spiral drill connected with the lifting frame to jointly conduct lifting motion, and the first motor drives the spiral drill to rotate to achieve drilling operation; the lifting frame is slidably connected with a guide rail on the inner side of the fixing plate through a clamping base, the two sides of the lifting frame can be limited and fixed, meanwhile, a limiting barrel arranged at the upper end of the bottom plate under the twist drill can play an auxiliary limiting role on the twist drill, and therefore the twist drill has good stability in the drilling process, the shaking phenomenon is not likely to happen, and the drilling efficiency is improved. And the drilling quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a bored cast-in-place pile construction device. Background Art

[0002] Roads and bridges are generally composed of several parts, such as roadbed, pavement, bridges, tunnel engineering and traffic engineering facilities. When building roads and bridges, it is necessary to first use a drilling device to drill holes, and then make cast-in-place piles. Cast-in-place piles are piles made by drilling holes in place and pouring concrete or reinforced concrete.

[0003] At present, the drill rod of the existing drilling machinery is installed in the air on the mechanical arm, which is easy to shake during drilling, which may easily lead to poor drilling. The drill bit will tilt due to unbalanced force on the horizontal plane, resulting in unqualified holes and affecting construction. At the same time, the existing drilling device is troublesome in adjusting the drilling depth, and cannot be quickly adjusted to control the drilling depth, which is cumbersome to operate.

[0004] Based on this, the utility model designs a bored pile construction device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a bored pile construction device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bored pile construction device, comprising a bottom plate, a fixed plate, a top plate, a guide rail, a lifting frame, an auger, a threaded screw, a second motor, a limit assembly, a support rod, a support column, a walking wheel and a control box, wherein the upper end of the bottom plate is symmetrically fixedly connected to two fixed plates, the upper ends of the two fixed plates are fixedly connected to the top plate, one side wall of the two fixed plates is provided with a guide rail, and the guide rail is slidably connected to the lifting frame;

[0007] The lifting frame includes a frame body, a socket, a sliding block, an abutment block and a first motor. The first motor is fixedly installed on the upper end of the frame body. The left and right sides of the frame body are fixedly connected with sockets, and the sockets are respectively connected to the guide rails on the inner sides of the two fixed plates.

[0008] As a preferred technical solution of the utility model, a sliding block is fixedly connected to the back side of the frame, and a resisting block is fixedly connected to the back side of the sliding block.

[0009] As a preferred technical solution of the utility model, the upper end of the spiral drill is connected to the first motor on the lifting frame, the sliding block is spirally connected to the threaded screw, the threaded screw is movably installed between the bottom plate and the top plate, the upper end of the threaded screw is connected to the second motor, and the second motor is fixedly installed on the top plate.

[0010] As a preferred technical solution of the utility model, a limiting cylinder is provided at the upper end of the bottom plate directly below the auger, a sliding groove is opened on the inner side of the two fixed plates, and a limiting component is provided between the sliding grooves of the two fixed plates.

[0011] As a preferred technical solution of the utility model, sliders are provided at both ends of the left and right ends of the limit assembly, and the sliders are respectively slidably connected in the sliding grooves opened on the inner sides of the two fixed plates. Both sides of the limit assembly are threadedly connected with fastening bolts, and the fastening bolts are fixed in contact with the fixed plates. A pressure sensor is provided at the center of the upper end of the limit assembly.

[0012] As a preferred technical solution of the utility model, the outer sides of the two fixed plates are connected to the upper end of the bottom plate through support rods, and support columns are provided at the four corners of the bottom plate.

[0013] As a preferred technical solution of the utility model, a disc is arranged at the lower end of each of the support columns, and an insertion rod is arranged at the center of the lower end of the disc.

[0014] As a preferred technical solution of the utility model, running wheels are symmetrically arranged at the lower end of the base plate, the running wheels are arranged at the upper end of the base plate, and the running wheels are electrically connected to the first motor, the second motor and the pressure sensor through connecting wires.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. When the utility model is in use, the second motor drives the rotation of the threaded screw rod, so that the lifting frame threadedly connected thereto realizes lifting movement between the two fixed plates, and the lifting movement of the lifting frame brings the auger connected thereto to perform lifting movement together, and the first motor drives the auger to rotate to realize the drilling operation, and the lifting frame is slidably connected to the guide rail on the inner side of the fixed plate through the clamping seat, so that the two sides of the lifting frame can be limited and fixed, and at the same time, the limiting cylinder provided on the upper end of the bottom plate just below the auger can play an auxiliary limiting role for the auger, so that the auger has better stability in drilling, is not prone to shaking, and the drilling quality is guaranteed;

[0017] 2. The utility model uses a limit assembly provided on the back of the fixed plate. When the resistance block on the back of the lifting frame presses against the pressure sensor on the limit assembly, when the pressure reaches or exceeds a preset threshold, the pressure sensor triggers an automatic control action to stop the second motor and the drilling rig, thereby controlling the drilling depth. The limit assembly can adjust the height on the slide slot so that it can be adjusted to the corresponding position according to the drilling depth. The operation is simple and convenient, and the drilling depth can be quickly adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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:

[0019] Figure 1 It is a schematic diagram of the overall front view structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the overall rear view structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the overall structure of the utility model when viewed from above;

[0022] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the limit assembly of the utility model.

[0024] In the figure: 1. bottom plate; 101. limit cylinder; 2. fixing plate; 201. slide groove; 3. top plate; 4. guide rail; 5. lifting frame; 501. frame; 502. holder; 503. sliding block; 504. resistance block; 505. first motor; 6. auger; 7. threaded screw; 8. second motor; 9. limit assembly; 901. slider; 902. fastening bolt; 903. pressure sensor; 10. support rod; 11. support column; 1101. disc; 1102. plug rod; 12. walking wheel; 13. control box. DETAILED DESCRIPTION

[0025] The following will be combined with the attached embodiment of the utility model Figure 1-5 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5The utility model provides the following technical solutions: a bored pile construction device, comprising a bottom plate 1, a fixed plate 2, a top plate 3, a guide rail 4, a lifting frame 5, an auger 6, a threaded screw 7, a second motor 8, a limit assembly 9, a support rod 10, a support column 11, a walking wheel 12 and a control box 13, wherein the upper end of the bottom plate 1 is symmetrically fixedly connected to two fixed plates 2, the upper ends of the two fixed plates 2 are fixedly connected to the top plate 3, a guide rail 4 is arranged on one side wall of the two fixed plates 2, a lifting frame 5 is slidably connected to the guide rail 4, the lifting frame 5 comprises a frame body 501, a holder 502, a sliding block 503, a resisting block 504 and a first motor 505, the upper end of the frame body 501 is fixedly installed with the first motor 505, the left and right sides of the frame body 501 are fixedly connected with the holder 502, and the holder 502 is respectively connected to the guide rails 4 on the inner sides of the two fixed plates 2.

[0028] A sliding block 503 is fixedly connected to the back of the frame 501 , and a resisting block 504 is fixedly connected to the back of the sliding block 503 .

[0029] The upper end of the auger 6 is connected to the first motor 505 on the lifting frame 5, the sliding block 503 is spirally connected to the threaded screw 7, the threaded screw 7 is movably installed between the bottom plate 1 and the top plate 3, the upper end of the threaded screw 7 is connected to the second motor 8, and the second motor 8 is fixedly installed on the top plate 3.

[0030] Through the connection structure between the lifting frame 5 and the fixed plate 2, the lifting frame 5 can be guided and limited when it is lowered for drilling, and the second motor 8 drives the threaded screw 7 to rotate, so as to realize the lifting and lowering of the lifting frame 5 and perform the drilling operation, so that the drilling has better stability and is not prone to shaking, thereby ensuring the quality of drilling.

[0031] Please refer to Figure 1 and Figure 5 A limiting cylinder 101 is provided at the upper end of the bottom plate 1 directly below the auger 6 , a slide groove 201 is provided on the inner sides of the two fixed plates 2 , and a limiting component 9 is provided between the slide grooves 201 of the two fixed plates 2 .

[0032] Slide blocks 901 are provided at both left and right ends of the limit assembly 9, and the slide blocks 901 are respectively slidably connected in the slide grooves 201 opened on the inner sides of the two fixed plates 2. Both sides of the limit assembly 9 are threadedly connected with fastening bolts 902, and the fastening bolts 902 are fixed in contact with the fixed plates 2. A pressure sensor 903 is provided at the center of the upper end of the limit assembly 9.

[0033] The height-adjustable limiter assembly 9 provided between the two fixing plates 2 can be easily adjusted to a corresponding position according to the drilling depth, and can be quickly adjusted to control the drilling depth.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3 The outer sides of the two fixed plates 2 are connected to the upper end of the bottom plate 1 through support rods 10 , and support columns 11 are provided at the four corners of the bottom plate 1 .

[0035] A disc 1101 is disposed at the lower end of each support column 11 , and an insertion rod 1102 is disposed at the center of the lower end of the disc 1101 .

[0036] The lower end of the base plate 1 is symmetrically provided with running wheels 12 , and the running wheels 12 are arranged at the upper end of the base plate 1 . The running wheels 12 are electrically connected to the first motor 505 , the second motor 8 and the pressure sensor 903 through connecting wires.

[0037] Through the structure of the support column 11, the contact surface can be increased by setting the disc 1101, and the insertion rod 1102 is set at the center of the bottom of the disc 1101, so that the insertion rod 1102 is inserted into the ground to enhance stability.

[0038] The working principle and use process of the utility model are as follows: when it is used specifically, after it is moved to the drilling point, the fastening bolts 902 on both sides of the limit assembly 9 are loosened, so that the fastening bolts 902 on the limit assembly 9 can slide in the slide groove 201, so that the position of the limit assembly 9 on the back of the fixed plate 2 is adjusted accordingly according to the drilling depth. After the limit assembly 9 is adjusted, the first motor 505 on the lifting frame 5 can be started, and the auger 6 is driven to rotate by the first motor 505, and then the second motor 8 is started, and the threaded screw 7 is driven to rotate by the second motor 8. The rotation of the threaded screw 7 drives the lifting frame 5 spirally connected thereto to move downward, so that the auger 6 passes through the limit cylinder 101 to perform the drilling operation. When the resistance block 504 on the lifting frame 5 is pressed and touched by the pressure sensor 903 on the limit assembly 9, when the pressure reaches or exceeds the preset threshold value, the pressure sensor 903 triggers the automatic control action to stop the drilling rig, thereby realizing the control of the drilling depth.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bored pile construction device, comprising a bottom plate (1), a fixed plate (2), a top plate (3), a guide rail (4), a lifting frame (5), an auger (6), a threaded screw (7), a second motor (8), a limit assembly (9), a support rod (10), a support column (11), a running wheel (12) and a control box (13), characterized in that: Two fixed plates (2) are symmetrically fixedly connected to the upper end of the bottom plate (1), the upper ends of the two fixed plates (2) are fixedly connected to the top plate (3), a guide rail (4) is provided on one side wall of the two fixed plates (2), and a lifting frame (5) is slidably connected to the guide rail (4); The lifting frame (5) comprises a frame body (501), a clamping seat (502), a sliding block (503), a contact block (504) and a first motor (505); the first motor (505) is fixedly mounted on the upper end of the frame body (501); the clamping seats (502) are fixedly connected to the left and right sides of the frame body (501); and the clamping seats (502) are respectively connected to the guide rails (4) on the inner sides of the two fixed plates (2).

2. A bored pile construction device according to claim 1, characterized in that: A sliding block (503) is fixedly connected to the back of the frame (501), and a resisting block (504) is fixedly connected to the back of the sliding block (503).

3. A bored pile construction device according to claim 1, characterized in that: The upper end of the auger (6) is connected to the first motor (505) on the lifting frame (5), the sliding block (503) is spirally connected to the threaded screw (7), the threaded screw (7) is movably installed between the bottom plate (1) and the top plate (3), the upper end of the threaded screw (7) is connected to the second motor (8), and the second motor (8) is fixedly installed on the top plate (3).

4. A bored pile construction device according to claim 1, characterized in that: A limiting cylinder (101) is provided at the upper end of the bottom plate (1) directly below the auger (6), a sliding groove (201) is provided on the inner sides of the two fixed plates (2), and a limiting component (9) is provided between the sliding grooves (201) of the two fixed plates (2).

5. A bored pile construction device according to claim 4, characterized in that: Slide blocks (901) are provided at both left and right ends of the limit assembly (9), and the slide blocks (901) are respectively slidably connected in slide grooves (201) provided on the inner sides of the two fixed plates (2). Fastening bolts (902) are threadedly connected on both sides of the limit assembly (9), and the fastening bolts (902) are fixed in contact with the fixed plates (2). A pressure sensor (903) is provided at the center of the upper end of the limit assembly (9).

6. A bored pile construction device according to claim 1, characterized in that: The outer sides of the two fixed plates (2) are connected to the upper end of the bottom plate (1) via support rods (10), and support columns (11) are provided at the four corners of the bottom plate (1).

7. A bored pile construction device according to claim 6, characterized in that: The lower end of each support column (11) is provided with a disc (1101), and the center of the lower end of the disc (1101) is provided with an insertion rod (1102).

8. A bored pile construction device according to claim 1, characterized in that: The lower end of the base plate (1) is symmetrically provided with running wheels (12), and the running wheels (12) are arranged at the upper end of the base plate (1). The running wheels (12) are electrically connected to the first motor (505), the second motor (8) and the pressure sensor (903) through connecting wires.

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