Portable grounding electrode step-by-step drilling equipment

Abstract

The utility model discloses portable grounding electrode step-by-step drilling equipment, which relates to the technical field of grounding electrode installation drilling, and comprises two support frames which are symmetrically distributed, a working plate is arranged in the middle of the two support frames, a drilling machine tool is fixedly arranged in the middle of the top end of the working plate, and the drilling machine tool is arranged on the working plate. A spiral drill rod is detachably installed at the driving end of the drilling machine tool, connecting plates are arranged on the two sides of the working plate, two symmetrically-distributed springs are fixedly installed at the bottom ends of the two connecting plates, the bottom ends of the multiple springs are fixedly installed on the lower portion of the supporting frame, and pressing plates are arranged on one sides of the two connecting plates. Through the arrangement of the supporting frame, the drilling machine tool and the spiral drilling rod, the grounding electrode mounting and hole drilling operation can be rapidly and conveniently completed, the construction efficiency is improved, the device can be suitable for drilling under the complex environment and the difficult geology, and the problems that in a traditional construction method, the geological requirement is high, the operation range is large, and the efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grounding electrode installation drilling, specifically to portable grounding electrode step drilling equipment. BACKGROUND

[0002] The portable grounding electrode step drilling equipment is mainly applied to the installation engineering of grounding systems in the power, communication, building and other industries, for example, in the railway construction process, appropriate holes are drilled on the ground to bury the grounding electrode underground to achieve good grounding effect and ensure the safety of workers.

[0003] In the process of drilling the grounding electrode, the previous construction methods mainly include manual excavation backfill method, mechanical excavation backfill method, hammering method and casing protection hammering method. The manual backfill method is generally used in places where machines cannot be used, but the efficiency is slow. The mechanical excavation backfill method uses excavators to excavate earthwork, buries the grounding electrode, and then backfills and tamps the earthwork. However, the operation range is large, the installation quality is not high, the hammering method has strict requirements on geology, and the geology needs to be soft soil. The operation requires higher operating skills. The casing protection hammering method uses a steel pipe to protect the grounding electrode, and uses an electric hammer to hammer it in. However, it is greatly affected by geology and has many unstable factors. The steel pipe may not be pulled out.

[0004] To solve the above problems, the inventors provide a portable grounding electrode step drilling equipment. UTILITY MODEL CONTENTS

[0005] To solve the problem that the existing drilling and installation of grounding electrodes are difficult and inefficient and are easily affected by complex environments and difficult geology, the utility model aims to provide a portable grounding electrode step drilling equipment.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a portable grounding electrode step drilling equipment includes support frames, the support frames are symmetrically arranged, the middle parts of the two support frames are provided with workboards, the top middle parts of the workboards are fixedly installed with drilling machines, the driving ends of the drilling machines are detachably installed with spiral drill rods, the two sides of the workboards are provided with connecting plates, the bottom ends of the two connecting plates are fixedly installed with two symmetrically arranged springs, the bottom ends of the multiple springs are fixedly installed on the lower parts of the support frames, and one side of each of the two connecting plates is provided with a pressing plate.

[0007] The upper parts of the workboards are fixedly installed with two symmetrically arranged electric push rods, the bottom ends of the workboards are provided with mounting plates, the top ends of the mounting plates are fixedly installed on the driving ends of the electric push rods, and the bottom ends of the mounting plates are provided with multiple earth-moving plates arranged in a ring array.

[0008] Preferably, the bottom end of the mounting plate is fixedly mounted with a limiting frame, the lower part of the limiting frame is rotatably mounted with a rotating disc, the upper part of the rotating disc is provided with a plurality of annularly arranged driving grooves, the upper part of one side of the plurality of earth-moving plates is fixedly mounted with a driving block, the plurality of driving blocks are slidably clamped in the driving grooves, the top end of the mounting plate is rotatably mounted with a second gear, the top end of the rotating disc is fixedly mounted in the middle part of the second gear, and the second gear is provided with a driving assembly.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、The ground electrode installation hole drilling operation can be quickly and conveniently completed through the support frame, the drilling machine and the spiral drill rod, construction efficiency is improved, the spiral drill rod can be applied to drilling under complex environment and difficult geology, and problems such as high geological requirement, large operation range and low efficiency in traditional construction methods are solved.

[0011] 2、The soil layer drilled on the ground after drilling can be pushed away through the arrangement of the earth-moving plate, so that when the spiral drill rod is pulled out from the hole, the soil layer is prevented from collapsing and falling into the hole to affect the drilling depth. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a sectional structure schematic diagram of the utility model.

[0015] Figure 3 It is a sectional structure schematic diagram of the utility model work plate.

[0016] Figure 4 It is a sectional structure schematic diagram of the utility model rotating disc.

[0017] In the diagram: 1. Support frame; 11. Fixing hole; 12. Connecting plate; 121. Slider; 122. Slide groove; 13. Pressing plate; 14. Telescopic housing; 15. Spring; 16. Working plate; 17. Top plate; 2. Drilling tool; 21. Spiral drill rod; 3. Electric actuator; 31. Mounting plate; 32. Motor; 321. Gear No. 1; 33. Gear No. 2; 34. Limiting frame; 341. Limiting groove; 35. Soil-removing plate; 36. Rotating disk; 37. Drive groove; 371. Drive block. Detailed Implementation

[0018] 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.

[0019] Example: Figures 1-4 As shown, this utility model provides a portable grounding electrode step drilling device, including a support frame 1. The support frame 1 has two symmetrically distributed supports. The middle of the two support frames 1 is provided with a working plate 16. A drilling tool 2 is fixedly installed at the top center of the working plate 16. A spiral drill rod 21 is detachably installed at the drive end of the drilling tool 2. The drill bit body of the spiral drill rod 21 can be made of coal drill bit with various production and processing technologies such as precision casting, precision forging and medium carbon alloy steel cutting, so as to meet the needs of different drilling operation conditions. Both sides of the working plate 16 are provided with connecting plates 12. Two symmetrically distributed springs 15 are fixedly installed at the bottom of the two connecting plates 12. The bottom ends of multiple springs 15 are fixedly installed at the lower part of the support frame 1. A pressing plate 13 is provided on one side of the two connecting plates 12.

[0020] Two symmetrically distributed electric actuators 3 are fixedly installed on the upper part of the working plate 16. The bottom end of the working plate 16 is provided with a mounting plate 31. The top end of the mounting plate 31 is fixedly installed on the drive end of the electric actuators 3. The bottom end of the mounting plate 31 is provided with multiple soil-removing plates 35 arranged in a ring array.

[0021] A limiting frame 34 is fixedly installed at the bottom of the mounting plate 31. A rotating disk 36 is rotatably installed at the lower part of the limiting frame 34. Multiple drive slots 37 arranged in a ring array are opened on the upper part of the rotating disk 36. Drive blocks 371 are fixedly installed on one side of the upper part of multiple soil-removing plates 35. Multiple drive blocks 371 are slidably locked inside the drive slots 37. A second gear 33 is rotatably installed at the top of the mounting plate 31. The middle part of the top of the rotating disk 36 is fixedly installed in the middle of the second gear 33. A drive assembly is provided on one side of the second gear 33.

[0022] The upper portions of the two support frames 1 are provided with a plurality of uniformly distributed sliding grooves 122, and the outer sides of the two connecting plates 12 are fixedly provided with a plurality of uniformly distributed sliding blocks 121, and the sliding blocks 121 are fixedly arranged on one side of the working plate 16 and the pressing plate 13 respectively. The sliding grooves 122 and the sliding blocks 121 can connect the connecting plate 12 with the working plate 16 and the pressing plate 13 and limit the movement of the connecting plate 12, the working plate 16 and the pressing plate 13.

[0023] The middle portions of the two support frames 1 are provided with two symmetrically distributed telescopic housings 14, and the telescopic housings 14 are composed of upper and lower polygonal tube structures. The upper polygonal tube can be telescopically moved in the lower polygonal tube, and the upper polygonal tube is fixedly arranged at the bottom end of the connecting plate 12, and the lower tube is fixedly arranged at the bottom end of the support frame 1. The telescopic housing 14 can protect the spring 15 arranged in the middle portion of the telescopic housing 14, avoid the spring 15 from being corroded or blocked by foreign matters, and cause the spring 15 to be damaged, and can make the connecting plate 12 move up and down more stably.

[0024] The lower portions of the two support frames 1 are provided with a plurality of symmetrically distributed fixing holes 11. The fixing holes 11 can be used to fix the lower portions of the support frames 1 by penetrating the fixing holes 11 with fasteners when the drilling device is fixed as a whole.

[0025] The driving assembly comprises a motor 32 fixedly arranged at the top end of the mounting plate 31, and a first gear 321 arranged on one side of the motor 32. The first gear 321 is meshingly connected with a second gear 33, and the top end of the first gear 321 is fixedly arranged at the driving end of the motor 32. The motor 32 can drive the first gear 321 to rotate, and the meshingly connected second gear 33 is also driven to rotate.

[0026] The side of the limiting frame 34 is provided with a plurality of limiting grooves 341, and the sides of the plurality of earth-moving plates 35 are slidingly arranged in the limiting grooves 341. The limiting grooves 341 can limit the lower sides of the earth-moving plates 35. When the driving groove 37 rotates to drive the driving block 371 to move, the lower sides of the earth-moving plates 35 are limited in the limiting grooves 341, so that the earth-moving plates 35 can move, expand and contract along the limiting grooves 341.

[0027] The top ends of the two support frames 1 are fixedly provided with a top plate 17. The top plate 17 can connect and fix the top ends of the support frames 1, so that the device structure is more stable.

[0028] Working principle: in actual use, according to the size of the grounding electrode, the aperture and depth are determined, the first drilling selects 1m spiral drill rod 21, which is convenient for operation and positioning, and the perpendicularity should be strictly controlled during drilling, during drilling, the device is placed at the position where drilling is required, the equipment state is checked, the drilling machine 2 is started to drive the spiral drill rod 21 to rotate, two construction workers press the pressing plate 13 from both sides, the limiting movement of the connecting plate 12 is driven, the working plate 16 is driven to move downward, that is, the spiral drill rod 21 is driven to move downward, drilling is carried out by contacting the ground soil layer, during the drilling process, the footage is slowly increased, especially when passing through soft and hard soil layers, the spiral drill rod 21 should be minimized to avoid increasing friction, when the drill bit is difficult to descend, it can be inserted and extracted back and forth, and appropriate water is added to avoid powder and drill bit sticking, after the first drilling is completed, the 1m spiral drill rod 21 is removed and replaced with a 2m spiral drill rod 21 for drilling, after the 2m hole is completed, the 2.5m spiral drill rod 21 is replaced to complete the final hole forming;

[0029] When the drilling is completed, the pressing plate 13 should not be loosened at this time, the electric push rod 3 is started to make the mounting plate 31 move downward, that is, the soil plate 35 is in contact with the loosened soil discharged by the spiral drill rod 21, so that the soil plate 35 penetrates into the soil, the motor 32 drives the first gear 321 to rotate, that is, the second gear 33 rotates, so that the rotating disc 36 rotates, the driving block 371 moves in the driving groove 37, the limiting groove 341 limits the expansion of the soil plate 35, so that when the spiral drill rod 21 is pulled out of the hole, the loosened soil on the outside does not collapse into the hole;

[0030] When pulling out, the working plate 16 can be pushed up by the reverse rotation of the drilling machine 2 and the upward pushing force of the worker and the reaction force of the spring 15, so that the spiral drill rod 21 is separated from the hole.

[0031] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A portable grounding electrode step-by-step drilling device, comprising a support frame (1), characterized in that: The support frame (1) has two symmetrically distributed supports. The middle of the two support frames (1) is provided with a working plate (16). A drilling tool (2) is fixedly installed at the top center of the working plate (16). A spiral drill rod (21) is detachably installed at the drive end of the drilling tool (2). A connecting plate (12) is provided on both sides of the working plate (16). Two symmetrically distributed springs (15) are fixedly installed at the bottom of the two connecting plates (12). The bottom ends of multiple springs (15) are fixedly installed at the lower part of the support frame (1). A pressing plate (13) is provided on one side of the two connecting plates (12). Two symmetrically distributed electric actuators (3) are fixedly installed on the upper part of the working plate (16). The bottom end of the working plate (16) is provided with a mounting plate (31). The top end of the mounting plate (31) is fixedly installed on the driving end of the electric actuator (3). The bottom end of the mounting plate (31) is provided with multiple soil-removing plates (35) arranged in a ring array.

2. The portable grounding electrode step-by-step drilling device as described in claim 1, characterized in that, A limiting frame (34) is fixedly installed at the bottom of the mounting plate (31). A rotating disk (36) is rotatably installed at the lower part of the limiting frame (34). Multiple drive slots (37) arranged in a ring array are opened on the upper part of the rotating disk (36). A drive block (371) is fixedly installed on one side of the upper part of multiple soil-removing plates (35). Multiple drive blocks (371) are slidably locked inside the drive slots (37). A second gear (33) is rotatably installed at the top of the mounting plate (31). The middle part of the top of the rotating disk (36) is fixedly installed in the middle of the second gear (33). A drive assembly is provided on one side of the second gear (33).

3. The portable grounding electrode step-by-step drilling device as described in claim 1, characterized in that, Multiple evenly distributed grooves (122) are opened on the upper part of the two support frames (1), and multiple evenly distributed sliders (121) are fixedly installed on the outer side of the two connecting plates (12). One side of the multiple sliders (121) is fixedly installed on the side of the working plate (16) and the pressing plate (13).

4. The portable grounding electrode step-by-step drilling device as described in claim 1, characterized in that, Two symmetrically distributed telescopic shells (14) are provided in the middle of the two support frames (1), and the telescopic shells (14) are composed of two polygonal tubular structures. The upper polygonal tube can move in and out of the lower polygonal tube. The upper polygonal tube is fixedly installed at the bottom of the connecting plate (12), and the lower tube is fixedly installed at the bottom of the support frame (1).

5. The portable grounding electrode step-by-step drilling device as described in claim 1, characterized in that, Multiple sets of symmetrically distributed fixing holes (11) are provided at the bottom of both support frames (1).

6. The portable grounding electrode step-by-step drilling device as described in claim 2, characterized in that, The drive assembly includes a motor (32), which is fixedly mounted on one side of the top of the mounting plate (31). A first gear (321) is provided on one side of the motor (32), and the first gear (321) meshes with the second gear (33). The top of the first gear (321) is fixedly mounted on the drive end of the motor (32).

7. The portable grounding electrode step-by-step drilling device as described in claim 2, characterized in that, The limiting frame (34) has multiple limiting grooves (341) on one side, and multiple soil-removing plates (35) are slidably locked inside the limiting grooves (341) on one side.

8. The portable grounding electrode step-by-step drilling device as described in claim 1, characterized in that, Top plates (17) are fixedly installed on the top of the two support frames (1).

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