CN105375125A - Ground rock drill for lightning protection system of power distribution network - Google Patents
Ground rock drill for lightning protection system of power distribution network Download PDFInfo
- Publication number
- CN105375125A CN105375125A CN201510766317.0A CN201510766317A CN105375125A CN 105375125 A CN105375125 A CN 105375125A CN 201510766317 A CN201510766317 A CN 201510766317A CN 105375125 A CN105375125 A CN 105375125A
- Authority
- CN
- China
- Prior art keywords
- hammer drill
- polished rod
- thread segment
- rod section
- ground connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to an electric power construction and overhaul operation tool, and in particular to a ground rock drill for a lightning protection system of a power distribution network. The ground rock drill comprises a columnar rock drill body; the rock drill body comprises a wiring section, a threaded section and a polished rod section from the upper to lower in sequence; the threaded section is connected with a pull-out nut in a threaded manner; a pressing sheet axially and glidingly matched with the threaded section is arranged below the pull-out nut; at least one convex edge is axially arranged in the side wall of the polished rod; and the cross section of the convex edge is configured into triangular. The ground rock drill is easy to insert and pull out without loosening frequently.
Description
Technical field
The present invention relates to a kind of power construction, upkeep operation instrument, specifically, relate to a kind of for the ground connection hammer drill in power distribution network lightning protection system.
Background technology
In power construction, service work, in order to ensure the safety of construction with maintenance, the installation of earth connection is absolutely necessary an important process project, is using the work-yard of site grounding wire without way, existing employing mostly be local use ground connection hammer drill ground connection.Existing ground connection hammer drill is mostly one end and establishes acuminous drill rod, adopts the instruments such as iron hammer to apply external force, inserts it in ground, and extracted after construction completes.
In the winter time frozen soil layer and construction soil property harder time, often the ground connection hammer drill of earth connection is bad follows closely inward, and ground connection hammer drill is easily followed closely bad by hammer, and extracting of ground connection hammer drill is than squeezing into more difficult thing in the case.
Summary of the invention
In order to certain or some defect of prior art can be overcome, the invention provides a kind of for the ground connection hammer drill in power construction operation.
According to of the present invention for the ground connection hammer drill in power construction operation, it comprises the hammer drill body of column, hammer drill body is followed successively by wiring section, thread segment and polished rod section from top to bottom, and thread segment place has been threaded and has extracted nut, extracts below nut and is provided with the compressing tablet with thread segment axial sliding fit.
Of the present invention in the ground connection hammer drill in power construction operation, when needs are extracted it, only need to extract nut by spanner turn, can easily hammer drill body upwards be extracted.Wherein, thread segment and the length ratio of polished rod section can be any one numerical value in 1: 1 ~ 3: 1, this structure be because, in a practical situation, hammer drill body only needs to extract a segment length and can all extract easily, therefore without the need to arranging long thread segment, and in the process that can be driven underground at hammer drill body of the setting of polished rod section, preferably protect the thread on thread segment, on the other hand, too short thread segment can not bring preferably effect to extracting of hammer drill body, finding in actual mechanical process repeatedly, the length of thread segment and polished rod section is than only can preferably be extracted by hammer drill body in above-mentioned scope.
As preferably, wiring section is provided with binding post.
Of the present invention in the ground connection hammer drill in power construction operation, the setting of binding post can be convenient to the access of earth connection.
As preferably, wafer construction circlewise, is provided with the axially extending bore for coordinating with thread segment in the middle part of compressing tablet.
Of the present invention in the ground connection hammer drill in power construction operation, compressing tablet can be configured to ring-type, thus in the process of upwards extracting at hammer drill body, can have larger contact area, thus can preferably avoid compressing tablet to be pressed into the ground between compressing tablet and ground.
As preferably, the external diameter of thread segment is less than the external diameter of polished rod section.
Of the present invention in the ground connection hammer drill in power construction operation, the external diameter of thread segment can be slightly less than the external diameter of polished rod section, thus can, while the thread preferably protecting thread segment, hammer drill body also can be made not easily to loosen.
As preferably, the external diameter of compressing tablet is 3 ~ 5 times of polished rod section external diameter.
Of the present invention in the ground connection hammer drill in power construction operation, the external diameter of compressing tablet can be 3 ~ 5 times of polished rod section external diameter, this design makes, by extracting nut by process that hammer drill body pulls out, the less pressure from ground can bear in compression unit area place, thus preferably ensure that compressing tablet can not be pressed into underground.
As preferably, thread segment surface is configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm.
Of the present invention in the ground connection hammer drill in power construction operation, thread segment surface can be configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm, thus makes the thread on thread segment can possess preferably hardness and rustless property.
As preferably, polished rod section surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm.
Of the present invention in the ground connection hammer drill in power construction operation, polished rod section surface can be configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm, thus makes polished rod section can possess preferably rustless property.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of for the ground connection hammer drill in electric power overhaul operation.
According to of the present invention for the ground connection hammer drill in electric power overhaul operation, it comprises the hammer drill body of column, hammer drill body is followed successively by wiring section, thread segment and polished rod section from top to bottom, and thread segment place has been threaded and has extracted nut, extracts below nut and is provided with the compressing tablet with thread segment axial sliding fit; Polished rod section is provided with at least one vertically and goes out soil box.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, when needs are extracted it, only need to extract nut by spanner turn, can easily hammer drill body upwards be extracted.Wherein, thread segment and the length ratio of polished rod section can be any one numerical value in 1: 1 ~ 3: 1, this structure be because, in a practical situation, hammer drill body only needs to extract a segment length and can all extract easily, therefore without the need to arranging long thread segment, and in the process that can be driven underground at hammer drill body of the setting of polished rod section, preferably protect the thread on thread segment, on the other hand, too short thread segment can not bring preferably effect to extracting of hammer drill body, finding in actual mechanical process repeatedly, the length of thread segment and polished rod section is than only can preferably be extracted by hammer drill body in above-mentioned scope.
In addition, polished rod section can be provided with many vertically and go out soil box, goes out being arranged so that of soil box, and the soil in nail, when hammering in ground, preferably can be derived, thus be convenient to hammering into of hammer drill body by hammer drill body.Wherein, the degree of depth going out soil box can top-downly deepen gradually, and the degree the most deeply going out soil box can be 0.2 ~ 0.3 of polished rod section external diameter, thus make out soil box possess preferably lead soil nature can while also can not affect the intensity of polished rod section.
As preferably, wiring section is provided with binding post.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, the setting of binding post can be convenient to the access of earth connection.
As preferably, wafer construction circlewise, is provided with the axially extending bore for coordinating with thread segment in the middle part of compressing tablet.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, compressing tablet can be configured to ring-type, thus in the process of upwards extracting at hammer drill body, can have larger contact area, thus can preferably avoid compressing tablet to be pressed into the ground between compressing tablet and ground.
As preferably, the external diameter of thread segment is less than the external diameter of polished rod section.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, the external diameter of thread segment can be slightly less than the external diameter of polished rod section, thus can, while the thread preferably protecting thread segment, hammer drill body also can be made not easily to loosen.
As preferably, the external diameter of compressing tablet is 3 ~ 5 times of polished rod section external diameter.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, the external diameter of compressing tablet can be 3 ~ 5 times of polished rod section external diameter, this design makes, by extracting nut by process that hammer drill body pulls out, the less pressure from ground can bear in compression unit area place, thus preferably ensure that compressing tablet can not be pressed into underground.
As preferably, thread segment surface is configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, thread segment surface can be configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm, thus makes the thread on thread segment can possess preferably hardness and rustless property.
As preferably, polished rod section surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm.
Of the present invention in the ground connection hammer drill in electric power overhaul operation, polished rod section surface can be configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm, thus makes polished rod section can possess preferably rustless property.
In order to certain or some defect of prior art can be overcome, present invention also offers a kind of for the ground connection hammer drill in power distribution network lightning protection system.
According to of the present invention for the ground connection hammer drill in power distribution network lightning protection system, it comprises the hammer drill body of column, hammer drill body is followed successively by wiring section, thread segment and polished rod section from top to bottom, thread segment place has been threaded and has extracted nut, extracts below nut and is provided with the compressing tablet with thread segment axial sliding fit; Polished rod section sidewall is provided with at least one fin vertically, the cross-sectional configuration triangularity of fin.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, when needs are extracted it, only need to extract nut by spanner turn, can easily hammer drill body upwards be extracted.Wherein, thread segment and the length ratio of polished rod section can be any one numerical value in 1: 1 ~ 3: 1, this structure be because, in a practical situation, hammer drill body only needs to extract a segment length and can all extract easily, therefore without the need to arranging long thread segment, and in the process that can be driven underground at hammer drill body of the setting of polished rod section, preferably protect the thread on thread segment, on the other hand, too short thread segment can not bring preferably effect to extracting of hammer drill body, finding in actual mechanical process repeatedly, the length of thread segment and polished rod section is than only can preferably be extracted by hammer drill body in above-mentioned scope.
In addition, the sidewall of polished rod section can many fins vertically, and being arranged so that of fin, hammer drill body is not easily bending when hammering in ground, and can increase the contact area on polished rod section and ground, thus preferably ensure that the stability of hammer drill body.Wherein, the cross section of fin can be configured to such as triangle, thus makes hammer drill body preferably to hammer in ground.
As preferably, wiring section is provided with binding post.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, the setting of binding post can be convenient to the access of earth connection.
As preferably, wafer construction circlewise, is provided with the axially extending bore for coordinating with thread segment in the middle part of compressing tablet.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, compressing tablet can be configured to ring-type, thus in the process of upwards extracting at hammer drill body, larger contact area can be had between compressing tablet and ground, thus can preferably avoid compressing tablet to be pressed into the ground.
As preferably, the external diameter of thread segment is less than the external diameter of polished rod section.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, the external diameter of thread segment can be slightly less than the external diameter of polished rod section, thus can, while the thread preferably protecting thread segment, hammer drill body also can be made not easily to loosen.
As preferably, the external diameter of compressing tablet is 3 ~ 5 times of polished rod section external diameter.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, the external diameter of compressing tablet can be 3 ~ 5 times of polished rod section external diameter, this design makes, by extracting nut by process that hammer drill body pulls out, the less pressure from ground can bear in compression unit area place, thus preferably ensure that compressing tablet can not be pressed into underground.
As preferably, thread segment surface is configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, thread segment surface can be configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm, thus makes the thread on thread segment can possess preferably hardness and rustless property.
As preferably, polished rod section surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm.
Of the present invention in the ground connection hammer drill in power distribution network lightning protection system, polished rod section surface can be configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm, thus makes polished rod section can possess preferably rustless property.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hammer drill body in embodiment 1;
Fig. 2 is the schematic diagram of compressing tablet in embodiment 1;
Fig. 3 is that the perpendicular of compressing tablet in embodiment 1 cuts open schematic diagram;
Fig. 4 is the cross sectional representation of polished rod section in embodiment 2;
Fig. 5 is the cross sectional representation of polished rod section in embodiment 3;
Fig. 6 is the cross sectional representation of polished rod section in embodiment 4.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Should be understood that, embodiment is only to make an explanation to the present invention and and non-limiting.
Embodiment 1
As shown in Figure 1, present embodiments provide a kind of for the ground connection hammer drill in power construction operation, it comprises the hammer drill body 100 of column.Wherein, hammer drill body 100 is followed successively by wiring section 110, thread segment 120 and polished rod section 130 from top to bottom, and thread segment 120 place has been threaded and has extracted nut 140, extracts below nut 140 and is provided with the compressing tablet 150 with thread segment 120 axial sliding fit.
In the present embodiment, wiring section 110 is provided with binding post 111, polished rod section 130 lower end reduces gradually and is configured to the taper insertion end 131 that tapering is 1: 11, the external diameter 0.1mm larger than the external diameter of thread segment 120 of polished rod section 130, thread segment can be 1: 1 with the length ratio of polished rod section, thread segment 120 surface is configured with through Carburization Treatment the carburized layer that thickness is 0.2, and polished rod section 130 surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm.
As shown in Figure 2 and Figure 3, the compressing tablet 150 in the present embodiment is configured to ring-type, is provided with the axially extending bore 210 for coordinating with thread segment 120 in the middle part of compressing tablet 150, and axially extending bore 210 peripheral configuration has rib 220, and rib 220 peripheral configuration has pressure-bearing portion 230.Wherein, the thickness of rib 220 is 1.6 times of pressure-bearing portion 230 thickness, and the external diameter of compressing tablet 150 is 3 times of polished rod section 130 external diameter.
Embodiment 2
Provide a kind of for the ground connection hammer drill in electric power overhaul operation in the present embodiment, the difference of itself and embodiment 1 is: as shown in Figure 4, for the cross sectional representation of polished rod section 130 in the present embodiment, polished rod section 130 is provided with equally distributed 6 vertically and goes out soil box 410, and the degree of depth going out soil box 410 is top-down deepens gradually, to go out the degree the most deeply of soil box 410 be polished rod section external diameter 0.2 ~ 0.3.
In addition, in the present embodiment, thread segment can be 3: 1 with the length ratio of polished rod section, thread segment 120 surface is configured with through Carburization Treatment the carburized layer that thickness is 0.5mm, polished rod section 130 surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.6mm, and the external diameter of compressing tablet 150 is 5 times of polished rod section 130 external diameter.
Embodiment 3
Provide a kind of for the ground connection hammer drill in power distribution network lightning protection system in the present embodiment, the difference of itself and embodiment 1 is: as shown in Figure 5, for the cross sectional representation of polished rod section 130 in the present embodiment, polished rod section 130 sidewall is provided with 4 fins 510 vertically, and the cross section of every bar fin 510 is all configured to triangle.
In addition, in the present embodiment, thread segment can be 2: 1 with the length ratio of polished rod section, thread segment 120 surface is configured with through Carburization Treatment the carburized layer that thickness is 0.3mm, polished rod section 130 surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.4mm, and the external diameter of compressing tablet 150 is 4 times of polished rod section 130 external diameter.
Embodiment 4
Provide a kind of ground connection hammer drill in the present embodiment, the difference of itself and embodiment 3 is: be equipped with one between arbitrary adjacent lugs 510 and go out soil box 410.
In addition, in the present embodiment, thread segment can be 2.5: 1 with the length ratio of polished rod section, thread segment 120 surface is configured with through Carburization Treatment the carburized layer that thickness is 0.4mm, polished rod section 130 surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.5mm, and the external diameter of compressing tablet 150 is 3.5 times of polished rod section 130 external diameter.
Below be schematically described the present invention and execution mode thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, without creatively designing the frame mode similar to this technical scheme and embodiment, all should protection scope of the present invention be belonged to.
Claims (7)
1. for the ground connection hammer drill in power distribution network lightning protection system, comprise the hammer drill body (100) of column, it is characterized in that: hammer drill body (100) is followed successively by wiring section (110), thread segment (120) and polished rod section (130) from top to bottom, thread segment (120) place has been threaded and has extracted nut (140), extracts nut (140) below and is provided with the compressing tablet (150) with thread segment (120) axial sliding fit; Polished rod section (130) sidewall is provided with at least one fin (510) vertically, the cross-sectional configuration triangularity of fin (510).
2. ground connection hammer drill according to claim 1, is characterized in that: wiring section (110) is provided with binding post (111).
3. ground connection hammer drill according to claim 2, is characterized in that: compressing tablet (150) is configured to ring-type, and compressing tablet (150) middle part is provided with the axially extending bore (210) for coordinating with thread segment (120).
4. ground connection hammer drill according to claim 3, is characterized in that: the external diameter of thread segment (120) is less than the external diameter of polished rod section (130).
5. ground connection hammer drill according to claim 3, is characterized in that: the external diameter of compressing tablet (150) is 3 ~ 5 times of polished rod section (130) external diameter.
6. ground connection hammer drill according to claim 5, is characterized in that: thread segment (120) surface is configured with through Carburization Treatment the carburized layer that thickness is 0.2 ~ 0.5mm.
7. ground connection hammer drill according to claim 5, is characterized in that: polished rod section (130) surface is configured with through Nitrizing Treatment the nitriding layer that thickness is 0.3mm ~ 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510766317.0A CN105375125A (en) | 2015-11-11 | 2015-11-11 | Ground rock drill for lightning protection system of power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510766317.0A CN105375125A (en) | 2015-11-11 | 2015-11-11 | Ground rock drill for lightning protection system of power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105375125A true CN105375125A (en) | 2016-03-02 |
Family
ID=55377067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510766317.0A Pending CN105375125A (en) | 2015-11-11 | 2015-11-11 | Ground rock drill for lightning protection system of power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105375125A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262600Y (en) * | 2008-09-27 | 2009-06-24 | 福建省农业科学院农业生态研究所 | Dry land soil sampler |
| CN203300821U (en) * | 2013-06-08 | 2013-11-20 | 章丘市供电公司 | Grounding hammer drill |
| CN104538752A (en) * | 2015-01-14 | 2015-04-22 | 国网河北省电力公司衡水供电分公司 | Grounded drill rod easy to insert and pull and special inserting and pulling tool |
-
2015
- 2015-11-11 CN CN201510766317.0A patent/CN105375125A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262600Y (en) * | 2008-09-27 | 2009-06-24 | 福建省农业科学院农业生态研究所 | Dry land soil sampler |
| CN203300821U (en) * | 2013-06-08 | 2013-11-20 | 章丘市供电公司 | Grounding hammer drill |
| CN104538752A (en) * | 2015-01-14 | 2015-04-22 | 国网河北省电力公司衡水供电分公司 | Grounded drill rod easy to insert and pull and special inserting and pulling tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203300821U (en) | Grounding hammer drill | |
| CN105356080B (en) | Spiral drop bar | |
| CN105390828A (en) | Grounding rod used in electric power overhauling work | |
| CN105428836A (en) | Grounding drill rod for power construction operation | |
| CN203081302U (en) | Electric pick chisel | |
| CN204441498U (en) | A kind of ground connection pricker easy to plug and special plug-pull tool thereof | |
| CN105375125A (en) | Ground rock drill for lightning protection system of power distribution network | |
| CN104538752A (en) | Grounded drill rod easy to insert and pull and special inserting and pulling tool | |
| CN204093538U (en) | A kind of high-frequency breaking hammer of replaceable tup | |
| CN201554388U (en) | Improved auger stem | |
| CN202621699U (en) | Steel tube punching device | |
| CN104131787A (en) | Tower-type drill bit | |
| CN103956675B (en) | Tool and method for inserting ground wire into soil and pulling ground wire out of soil | |
| CN201474288U (en) | Fastener of steel pipe scaffold | |
| CN203911351U (en) | Bending device for drainage wire of distribution line | |
| CN203230350U (en) | Thread form structure of straight thread | |
| CN206602190U (en) | Distribution Transformer in Rural Area power failure earthing or grounding means | |
| CN202940339U (en) | Grounding pike with integrated hammer and pike | |
| CN203271257U (en) | Electrical equipment guardrail posthole mushroom plug | |
| CN205444965U (en) | Stopcock subassembly that chemical grouting used | |
| CN205064525U (en) | Anti -theft screw | |
| CN203813311U (en) | Ground wire plugging tool | |
| CN220267620U (en) | Screw drill rod connecting device | |
| CN204156129U (en) | New copper binding post | |
| CN210265432U (en) | Hexagonal screw head screw facilitating integral entering of screw head into wood board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |
|
| RJ01 | Rejection of invention patent application after publication |