Cast-in-place pile drilling positioning device

Abstract

The utility model relates to the field of road and bridge construction, in particular to a cast-in-place pile drilling positioning device which comprises a loading cylinder and an adjusting mechanism, and a fixing mechanism is mounted at the lower end of the loading cylinder. Before the device works, firstly, drilling equipment is inserted into a loading cylinder, the drilling equipment is located between two adjusting plates, and then through threaded connection of two moving frames and a two-way screw and sliding connection of the two moving frames and a guide rod, the drilling equipment is located between the two adjusting plates; after a motor drives a bidirectional screw rod to rotate, two moving frames can move towards the center of a loading cylinder, so that the arc inner walls of two adjusting plates are attached to drilling equipment, the distance between the two adjusting plates can be suitable for the drilling equipment, and therefore the device can be suitable for drilling equipment of various sizes; therefore, errors during positioning can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of road and bridge construction, in particular to a bored pile drilling positioning device. Background Art

[0002] Bridge construction is the process of building a bridge according to the design content; it mainly refers to bridge construction technology and construction organization, construction management, construction quality and other contents.

[0003] A search of the patent document with publication number CN220336838U reveals a "cast-in-place pile drilling positioning device for road and bridge construction. This device adjusts the height adjustment assembly until all levels are horizontal, indicating that the positioning cylinder is vertical. The support leg assembly is then secured, and the bracket is secured using an anchor assembly, thereby fixing the positioning cylinder. The positioning cylinder is used to guide the drill rod of the drilling equipment, ensuring accurate drilling position and preventing deviation."

[0004] Due to the different sizes of roads and bridges, the sizes of the holes required to be drilled will also be different. However, since the size of the positioning tube is fixed during operation, the above-mentioned device is only suitable for drilling equipment of appropriate size when in use. If the size of the drilling equipment is small, deviations are likely to occur when using the above-mentioned positioning device. Utility Model Content

[0005] The purpose of the present utility model is to provide a bored pile drilling positioning device in order to solve the above problems.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A bored pile drilling positioning device comprises a loading cylinder, a fixing mechanism is mounted on the lower end of the loading cylinder, and an adjusting mechanism;

[0008] The adjustment mechanism includes two fixed frames, which are respectively fixed at the front and rear ends of the loading cylinder. A bidirectional screw is rotatably connected in the middle of the fixed frame at the front end of the loading cylinder. A motor is installed at the input end of the bidirectional screw. A guide rod is fixed in the middle of the fixed frame at the rear end of the loading cylinder. The outer periphery of the bidirectional screw is threadedly connected to two movable frames, and the movable frames are slidably connected to the guide rods. Adjustment plates are fixed at the corresponding ends of the two movable frames.

[0009] Preferably, the loading cylinder and the two fixed racks are each provided with a through slot corresponding to the two movable racks.

[0010] Preferably, the adjustment plate is arranged in an arc shape, and one end of the adjustment plate is in contact with the inner wall of the fixing frame.

[0011] Preferably: three support frames are evenly arranged on the outer ring of the bottom of the loading cylinder, two fixing bolts are provided at one end of the support frame close to the loading cylinder, the internal rotation of the support frame is connected to a one-way screw, the outer periphery of the one-way screw is threadedly connected to a lifting frame, and the lifting frame is slidingly connected to the support frame, the lower end of the lifting frame is hinged with a base, the outer ring of the base is provided with multiple through holes, and a stable long nail is provided in the middle of each support frame.

[0012] Preferably, a turning handle is fixed to the upper end of the one-way screw, and a notch is provided at one end of the base corresponding to the stabilizing spike.

[0013] Preferably, the edges of the lower end of the lifting frame are rounded, and the multiple through holes on each base are evenly distributed.

[0014] The beneficial effects compared with the prior art are as follows:

[0015] Before the device is operated, the drilling equipment is first inserted into the loading barrel and the drilling equipment is located in the middle of the two adjustment plates. Then, through the threaded connection between the two movable frames and the bidirectional screws and the sliding connection between the two movable frames and the guide rods, when the motor drives the bidirectional screws to rotate, the two movable frames can be moved toward the center of the loading barrel, so that the arc inner walls of the two adjustment plates fit the drilling equipment. In this way, the distance between the two adjustment plates can be adapted to the drilling equipment, so that the device can be adapted to drilling equipment of various sizes to avoid errors in positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a structural diagram of a bored pile drilling positioning device according to the present invention;

[0018] Figure 2 This is a structural diagram of the adjustment mechanism in the bored pile drilling positioning device of the utility model;

[0019] Figure 3 This is a structural diagram of a movable frame in a bored pile drilling and positioning device according to the present invention;

[0020] Figure 4 This is a structural diagram of a fixing mechanism in a bored pile drilling positioning device according to the present invention;

[0021] Figure 5It is a left sectional view of a support frame in a bored pile drilling positioning device described in the utility model.

[0022] The following are the descriptions of the reference numerals:

[0023] 1. Loading cylinder; 2. Support frame; 21. Fixing bolt; 22. One-way screw; 23. Lifting frame; 24. Base; 25. Through hole; 26. Stabilizing spike; 3. Fixing frame; 31. Two-way screw; 32. Motor; 33. Guide rod; 34. Moving frame; 35. Adjustment plate. DETAILED DESCRIPTION

[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1-5 As shown, a bored pile drilling positioning device includes a loading cylinder 1, a fixing mechanism is installed at the lower end of the loading cylinder 1, and an adjusting mechanism is also included.

[0027] The outer ring of the bottom of the loading cylinder 1 is evenly provided with three support frames 2, and the support frame 2 is provided with two fixing bolts 21 at one end near the loading cylinder 1. The internal rotation of the support frame 2 is connected with a one-way screw 22, and the upper end of the one-way screw 22 is fixed with a turning handle. The outer periphery of the one-way screw 22 is threadedly connected to the lifting frame 23, and the lifting frame 23 is slidably connected to the support frame 2. The edges of the lower end of the lifting frame 23 are rounded, and the lower end of the lifting frame 23 is hinged to a base 24. The outer ring of the base 24 is provided with a plurality of through holes 25, and the multiple through holes 25 on each base 24 are evenly distributed. A stabilizing spike 26 is provided in the middle of each support frame 2, and a notch is provided on the base 24 corresponding to one end of the stabilizing spike 26; through the threaded connection between the one-way screw 22 and the lifting frame 23 and the sliding connection between the lifting frame 23 and the support frame 2, when the turning handle at the upper end of the one-way screw 22 is turned, the lifting frame 23 can be raised and lowered, so that the device can be adjusted to suit the terrain and set horizontally.

[0028] The adjusting mechanism comprises two fixed frames 3, the two fixed frames 3 are respectively fixed at the front end and the rear end of the loading cylinder 1, a bidirectional screw rod 31 is rotationally connected in the middle of the fixed frame 3 at the front end of the loading cylinder 1, a motor 32 is installed at the input end of the bidirectional screw rod 31, a guide rod 33 is fixed in the middle of the fixed frame 3 at the rear end of the loading cylinder 1, two moving frames 34 are threadedly connected on the outer periphery of the bidirectional screw rod 31, the moving frames 34 are slidably connected with the guide rod 33, the loading cylinder 1 and the two fixed frames 3 are respectively provided with through grooves corresponding to the two moving frames 34, adjusting plates 35 are fixed at the corresponding ends of the two moving frames 34, the adjusting plates 35 are arc-shaped, and one end of each adjusting plate 35 is attached to the inner wall of the fixed frame 3; through the threaded connection between the two moving frames 34 and the bidirectional screw rod 31 and the sliding connection between the two moving frames 34 and the guide rod 33, when the motor 32 drives the bidirectional screw rod 31 to rotate, the two moving frames 34 can move towards the center of the loading cylinder 1.

[0029] Working principle: before the device works, first place the device at the position to be drilled, then through the threaded connection between the unidirectional screw rod 22 and the lifting frame 23 and the sliding connection between the lifting frame 23 and the support frame 2, when the knob at the upper end of the unidirectional screw rod 22 is rotated, the lifting frame 23 can be lifted, so that the device can be adjusted to be horizontally arranged according to the terrain, finally, place a plug rod or a long nail structure in each through hole 25 and hit the plug rod or the long nail structure into the ground respectively to fix the device;

[0030] After the device is fixed, first insert the drilling equipment into the loading cylinder 1, and make the drilling equipment located in the middle of the two adjusting plates 35, then through the threaded connection between the two moving frames 34 and the bidirectional screw rod 31 and the sliding connection between the two moving frames 34 and the guide rod 33, when the motor 32 drives the bidirectional screw rod 31 to rotate, the two moving frames 34 can move towards the center of the loading cylinder 1, so that the arc inner walls of the two adjusting plates 35 are attached to the drilling equipment, in this way, the spacing between the two adjusting plates 35 can be suitable for the drilling equipment, so that the device can be suitable for drilling equipment of various sizes, so as to avoid the error in positioning.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A bored pile drilling positioning device, comprising a loading cylinder (1), wherein a fixing mechanism is installed at the lower end of the loading cylinder (1), characterized in that: Also includes a regulating mechanism; The adjustment mechanism comprises two fixed frames (3), the two fixed frames (3) being fixed to the front and rear ends of the loading cylinder (1) respectively, a bidirectional screw (31) being rotatably connected in the middle of the fixed frame (3) at the front end of the loading cylinder (1), a motor (32) being installed at the input end of the bidirectional screw (31), a guide rod (33) being fixed in the middle of the fixed frame (3) at the rear end of the loading cylinder (1), two movable frames (34) being threadedly connected to the outer periphery of the bidirectional screw (31), and the movable frames (34) being slidably connected to the guide rod (33), and an adjustment plate (35) being fixed to the corresponding ends of the two movable frames (34).

2. A bored pile drilling positioning device according to claim 1, characterized in that: The loading cylinder (1) and the two fixed frames (3) are each provided with through slots corresponding to the two movable frames (34).

3. The bored pile drilling positioning device according to claim 1, characterized in that: The adjustment plate (35) is arranged in an arc shape, and one end of the adjustment plate (35) is in contact with the inner wall of the fixing frame (3).

4. The bored pile drilling positioning device according to claim 1, characterized in that: Three support frames (2) are evenly arranged on the outer ring of the bottom of the loading cylinder (1), and two fixing bolts (21) are arranged on one end of the support frame (2) close to the loading cylinder (1). The inner part of the support frame (2) is rotatably connected to a one-way screw (22), and the outer periphery of the one-way screw (22) is threadedly connected to a lifting frame (23), and the lifting frame (23) is slidably connected to the support frame (2). The lower end of the lifting frame (23) is hinged to a base (24), and the outer ring of the base (24) is provided with a plurality of through holes (25). A stabilizing spike (26) is arranged in the middle of each support frame (2).

5. A bored pile drilling positioning device according to claim 4, characterized in that: A turning handle is fixed to the upper end of the one-way screw (22), and a notch is provided at one end of the base (24) corresponding to the stabilizing spike (26).

6. The bored pile drilling positioning device according to claim 4, characterized in that: The edges of the lower end of the lifting frame (23) are rounded, and the multiple through holes (25) on each base (24) are evenly distributed.

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