Multifunctional hole guiding equipment for anti-freezing and anti-swelling prestressed pipe pile in complex geology in extremely cold region

Abstract

The utility model relates to the technical field of hole guiding drill bits, in particular to multifunctional hole guiding equipment for an anti-freezing expansion prestressed pipe pile in complex geology in an extremely cold area, which comprises a drill bit, an upper drill rod and an I-shaped bottom horizontal tube, the drill bit is connected with the upper drill rod through a lower drill rod, the lower drill rod is connected with a second spiral disc, and the second spiral disc is connected with the upper drill rod through a first spiral disc. The H-shaped bottom horizontal tube is connected with a connecting disc through a connecting column, and the connecting disc is connected with the upper drill rod. The method has the beneficial effects that the upper drill rod and the lower drill rod are welded and firmly connected together to form a variable-diameter drill rod combination, meanwhile, the I-shaped bottom horizontal tube is installed, and in the hole guiding construction process, when the bottom horizontal tube sweeps out of the flat ground, it is indicated that the hole guiding depth meeting the design requirement is reached, so that it is guaranteed that the theoretical elevation is consistent with the actual height; and meanwhile, the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hole drilling, in particular to a multifunctional hole drilling equipment for frost heaving prevention prestressed pipe pile in complex geology of extremely cold regions. BACKGROUND

[0002] In the traditional hole drilling operation, the drill bit is usually designed with the same diameter from top to bottom, and is not equipped with a welded baffle. In the face of frost heaving prevention engineering projects with depth requirements and variable digging depth diameters, construction personnel often need to frequently replace the hole drilling equipment, which not only greatly reduces the construction efficiency, but also is difficult to ensure the engineering progress. More importantly, the buried depth of the prestressed high-strength concrete pipe pile is difficult to accurately control, which further affects the flatness of the later support assembly, and easily leads to large fluctuations in the horizontal direction after the assembly is installed.

[0003] At present, in the grassland salt marsh surrounding area, the soil is soft and has high water content, and in winter, the minimum temperature can reach -38 DEG C. In this extreme environment, the construction of photovoltaic pile foundation needs to be graded backfilled to prevent the pile body from cracking due to frost heaving. However, the on-site soil conditions are conducive to hole drilling operation, but how to ensure the construction efficiency and quality becomes a problem to be solved. In addition, the existing construction method often causes problems such as the difference between the theoretical elevation and the actual elevation due to construction conditions, drill bit diameter error or calculation error, and the low working efficiency of the traditional equipment. Therefore, the utility model provides a multifunctional hole drilling equipment for frost heaving prevention prestressed pipe pile in complex geology of extremely cold regions to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a multifunctional hole drilling equipment for frost heaving prevention prestressed pipe pile in complex geology of extremely cold regions to solve the problem of the difference between the theoretical elevation and the actual elevation and the low efficiency in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional hole drilling equipment for frost heaving prevention prestressed pipe pile in complex geology of extremely cold regions, comprising: a drill bit, an upper drill rod and an I-shaped sweeping rod, the drill bit is connected with the upper drill rod through a lower drill rod, the lower drill rod is connected with a spiral disc two, the spiral disc two is connected with the upper drill rod through a spiral disc one, and the I-shaped sweeping rod is connected with a connecting disc through a connecting column, and the connecting disc is connected with the upper drill rod.

[0006] Preferably, the surface of the upper drill rod is fixedly connected with the spiral disc one, the lower end of the upper drill rod is welded with the lower drill rod, the surface of the lower drill rod is fixedly connected with the spiral disc two, the lower end of the lower drill rod is fixedly connected with the drill bit, the drill bit is conical, and the diameters of the upper drill rod and the lower drill rod are equal.

[0007] Preferably, the upper end of the upper drill rod is fixedly connected with the connecting disc, the upper end of the connecting disc is fixedly connected with a plurality of fixed columns, and the diameter of the connecting disc is greater than that of the upper drill rod.

[0008] Preferably, the surface of the connecting column is provided with a plurality of through mounting holes, and the surface of the connecting column is fixedly connected with two I-shaped sweeping rods, and the two I-shaped sweeping rods are symmetrically installed, and the lower end of the I-shaped sweeping rod is provided with a tooth groove.

[0009] Preferably, the surface of the two I-shaped sweeping rods is fixedly connected with a plurality of limiting sleeves, and the end of the I-shaped sweeping rod away from the connecting column is fixedly connected with a fixing seat, and the surface of the fixing seat penetrates a traction rope, and the two ends of the traction rope pass through the limiting sleeves at the two ends of the I-shaped sweeping rod in sequence and are fixedly connected with the connecting column.

[0010] Preferably, the upper end of the connecting column is fixedly connected with a driving column, a plurality of mounting holes are formed in the lower end of the driving column, the number of the fixing columns is consistent with the number of the mounting holes, the upper end of the fixing column passes through the mounting holes of the connecting column and the driving column in sequence, the fixing column is sleeved in the mounting hole, the edge of the lowermost end of the spiral disc one is tangent to the edge of the uppermost end of the spiral disc two, and the diameter of the spiral disc one is greater than that of the spiral disc two.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: by welding the upper drill rod and the lower drill rod firmly together to form a variable-diameter drill rod combination, and simultaneously installing the I-shaped sweeping rod, when the sweeping rod sweeps out a flat ground during the hole guiding construction, it indicates that the designed hole guiding depth is reached, so that the theoretical elevation is consistent with the actual height, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a three-dimensional schematic view of the overall structure of the utility model;

[0013] Fig. 2 It is a bottom view schematic view of the overall structure of the utility model;

[0014] Fig. 3 It is a side view schematic view of the connecting column of the utility model;

[0015] Fig. 4 It is a schematic view of the fixing column on one side of the connecting column of the utility model.

[0016] In the drawing: 1, drill bit; 2, upper drill rod; 3, lower drill rod; 4, I-shaped sweeping rod; 5, spiral disc one; 6, spiral disc two; 7, connecting disc; 8, fixing column; 9, connecting column; 10, driving column; 11, mounting hole; 12, tooth groove; 13, traction rope; 14, limiting sleeve; 15, fixing seat. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.

[0018] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a kind of complex geology freeze-proof expansion prestressed pipe pile multifunctional hole guide equipment in polar region, it include: drill bit 1, upper drill rod 2 and I-beam sweep rod 4, the surface of upper drill rod 2 is fixedly connected with spiral disc one 5, the lower end of upper drill rod 2 is welded with lower drill rod 3, upper drill rod 2 and lower drill rod 3 synchronous motion, the surface of lower drill rod 3 is fixedly connected with spiral disc two 6, it is convenient to drill hole on land through spiral disc two 6 and go deep, the lower end of lower drill rod 3 is fixedly connected with drill bit 1, drill bit 1 is conical, drill bit 1 is convenient to fix point, the diameter of upper drill rod 2 and lower drill rod 3 is equal, so as to not produce excessive resistance in the process of drilling, the upper end of upper drill rod 2 is fixedly connected with connecting disc 7, the upper end of connecting disc 7 is fixedly connected with a plurality of fixed columns 8, other components are conveniently installed through fixed column 8, the diameter of connecting disc 7 is greater than the diameter of upper drill rod 2, to enhance the strength of whole.

[0019] The surface of connecting column 9 is provided with a plurality of through mounting holes 11, the surface of connecting column 9 is fixedly connected with two I-beam sweep rods 4, symmetrically installed can balance both sides, avoid tilting, two I-beam sweep rods 4 are symmetrically installed, the lower end of I-beam sweep rod 4 is provided with tooth slot 12, when I-beam sweep rod 4 contacts with ground, the depth condition can be more obviously seen through tooth slot 12, the surface of I-beam sweep rod 4 is fixedly connected with a plurality of limit sleeves 14, limit sleeve 14 can be fixed to traction rope 13, the end of I-beam sweep rod 4 away from connecting column 9 is fixedly connected with fixed seat 15, the end point of I-beam sweep rod 4 can be fixed through fixed seat 15, the surface of fixed seat 15 penetrates a traction rope 13, the both ends of traction rope 13 are sequentially passed through the limit sleeve 14 of the both ends of I-beam sweep rod 4 and are fixedly connected with connecting column 9, since I-beam sweep rod 4 is in contact with ground for a long time, when excessive wear occurs and breaks, the broken part can be avoided to fly out and injure worker through traction rope 13.

[0020] The upper end of the connecting column 9 is fixedly connected with a driving column 10, the lower end of the driving column 10 is provided with a plurality of mounting holes 11, the driving column 10 and the connecting column 9 are fixed and disassembled through the mounting holes 11, the number of the mounting holes 11 is consistent with the number of the fixing columns 8, the upper end of the fixing column 8 passes through the mounting holes 11 of the connecting column 9 and the driving column 10 in sequence, the driving column 10 can be connected with a driving component to drive the whole rotation, the fixing column 8 is sleeved in the mounting hole 11, the edge of the lowermost end of the spiral disc one 5 is tangent to the edge of the uppermost end of the spiral disc two 6, the diameter of the spiral disc one 5 is greater than that of the spiral disc two 6, the resistance generated during rotation is reduced to the maximum extent, and the working efficiency is increased.

[0021] When the device works, after the checking device is correct, according to the construction needs, the corresponding upper drill rod 2, lower drill rod, spiral disc one 5 and spiral disc two 6 are selected, welded and installed, then the driving column 10 is connected with the driving component, and then the hole is guided, the I-shaped sweeping rod 4 can sweep the drilled soil to a far place during the hole guiding process, when the I-shaped sweeping rod 4 falls to the ground and sweeps a plurality of annular surfaces, the designed hole depth is reached, the whole device can effectively show the depth of the hole, and the theoretical depth is consistent with the actual depth, and the working efficiency is improved.

[0022] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and its equivalents.

Claims

1. A multi-functional pre-drilling device for prestressed pipe piles in complex geological conditions of extremely cold regions to prevent frost heave, characterized in that: The multifunctional hole guide device for the frost-proof prestressed pipe pile in the complex geology of the extremely cold region comprises a drill bit (1), an upper drill rod (2) and an I-shaped sweeping rod (4), the drill bit (1) is connected with the upper drill rod (2) through a lower drill rod (3), the lower drill rod (3) is connected with a spiral disc two (6), the spiral disc two (6) is connected with the upper drill rod (2) through a spiral disc one (5), the I-shaped sweeping rod (4) is connected with a connecting disc (7) through a connecting column (9), and the connecting disc (7) is connected with the upper drill rod (2).

2. The multi-functional hole guide equipment for frost-proof prestressed pipe pile in extremely cold area with complex geology according to claim 1, characterized in that: The surface of the upper drill rod (2) is fixedly connected with the spiral disc one (5), the lower end of the upper drill rod (2) is welded with the lower drill rod (3), the surface of the lower drill rod (3) is fixedly connected with the spiral disc two (6), the lower end of the lower drill rod (3) is fixedly connected with the drill bit (1), the drill bit (1) is conical, and the diameters of the upper drill rod (2) and the lower drill rod (3) are equal.

3. The multi-functional hole guide equipment for frost-proof prestressed pipe pile in extremely cold area with complex geology according to claim 1, characterized in that: The upper end of the upper drill rod (2) is fixedly connected with the connecting disc (7), the upper end of the connecting disc (7) is fixedly connected with a plurality of fixed columns (8), and the diameter of the connecting disc (7) is greater than that of the upper drill rod (2).

4. The multi-functional hole guide equipment for frost-proof prestressed pipe pile in extremely cold area with complex geology according to claim 1, characterized in that: The surface of the connecting column (9) is provided with a plurality of through mounting holes (11), the surface of the connecting column (9) is fixedly connected with two I-shaped sweeping rods (4), the two I-shaped sweeping rods (4) are symmetrically installed, and the lower end of the I-shaped sweeping rod (4) is provided with a gear slot (12).

5. The multi-functional hole guide equipment for frost-proof prestressed pipe pile in extremely cold area with complex geology according to claim 1, characterized in that: The surfaces of the two I-shaped sweeping rods (4) are fixedly connected with a plurality of limiting sleeves (14), one end of the I-shaped sweeping rod (4) away from the connecting column (9) is fixedly connected with a fixing seat (15), the surface of the fixing seat (15) penetrates a traction rope (13), and the two ends of the traction rope (13) pass through the limiting sleeves (14) at the two ends of the I-shaped sweeping rod (4) in sequence and are fixedly connected with the connecting column (9).

6. The multi-functional hole guide equipment for frost-proof prestressed pipe pile in extremely cold area with complex geology according to claim 1, characterized in that: The upper end of the connecting column (9) is fixedly connected with a driving column (10), the lower end of the driving column (10) is provided with a plurality of mounting holes (11), the number of the fixed columns (8) is consistent with that of the mounting holes (11), the upper end of the fixed column (8) passes through the mounting holes (11) of the connecting column (9) and the driving column (10) in sequence, the fixed column (8) is sleeved in the mounting hole (11), the edge of the lowermost end of the spiral disc one (5) is tangent to the edge of the uppermost end of the spiral disc two (6), and the diameter of the spiral disc one (5) is greater than that of the spiral disc two (6).

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