阅读说明：本技术 一种接地放电装置 (Grounding discharge device ) 是由 吴宏曜 冯镜昌 严嘉原 罗捷 龙志安 黄宇鹏 徐小顺 陈飘逸 于 2019-10-25 设计创作，主要内容包括：本发明涉及电力安全技术领域,特别是涉及一种接地放电装置,包括接地棒,所述接地棒通过接地线连接有双簧绝缘操作杆,所述接地线设有若干个带孔连接片,所述接地棒靠近顶部的一侧和所述双簧绝缘操作杆靠近顶部的一侧均设有带螺纹孔的连接块,该接地放电装置还设有紧固轮,所述紧固轮的一侧固定有螺杆,两个所述紧固轮通过螺杆分别穿过所述接地线首尾两端的带孔连接片与所述接地棒和所述双簧绝缘操作杆的连接块的螺纹孔进行螺纹连接。通过该接地放电装置,使接地棒与接地线之间、接地线与双簧绝缘操作杆之间的连接均无需通过工具即可完成,有效的提高了接地放电装置的安装效率。(The invention relates to the technical field of electric power safety, in particular to a ground discharge device which comprises a ground rod, wherein the ground rod is connected with a double-spring insulation operating rod through a ground wire, the ground wire is provided with a plurality of perforated connecting sheets, one side of the ground rod, which is close to the top, and one side of the double-spring insulation operating rod, which is close to the top, are both provided with connecting blocks with threaded holes, fastening wheels are further arranged, one side of each fastening wheel is fixedly provided with a screw, and the two fastening wheels are respectively in threaded connection with the threaded holes of the connecting blocks of the ground rod and the double-spring insulation operating rod through the perforated connecting sheets at the head end and the tail end of the ground wire through the screws. Through this ground connection discharge device, make between earth bar and the earth connection, the earth connection all need not to accomplish through the instrument with being connected between the two spring insulating bar, effectual improvement ground connection discharge device's installation effectiveness.)

1. The utility model provides a ground connection discharge device, includes the earth bar, its characterized in that, the earth bar is connected with two spring insulating bar through the earth connection, the earth connection is equipped with a plurality of foraminiferous connection pieces, the earth bar be close to one side at top with one side that two spring insulating bar are close to the top all is equipped with the connecting block of threaded hole, and this ground connection discharge device still is equipped with the tight pulley, one side of tight pulley is fixed with the screw rod, two the tight pulley passes respectively through the screw rod the foraminiferous connection piece at earth connection head and the tail both ends with the earth bar with the threaded hole of the connecting block of two spring insulating bar carries out threaded connection.

2. The ground discharge device of claim 1, wherein the connecting block has three holes welded to both sides of the threaded hole, the connecting plate with holes has three holes, two of the limiting posts pass through the holes on both sides of the connecting plate with holes, and the screw of the fastening wheel passes through the hole in the middle of the connecting plate with holes and is in threaded connection with the threaded hole of the connecting block.

3. The ground discharge device of claim 2, further comprising a compressing plate, wherein the compressing plate is provided with three holes corresponding to the three holes of the connecting piece with holes, when the fastening wheel fastens the connecting piece with holes, the two limiting columns penetrate through the holes on the two sides of the compressing plate, then a screw of the fastening wheel penetrates through the hole in the middle of the compressing plate and the hole in the middle of the connecting piece with holes in sequence to be in threaded connection with the threaded hole of the connecting block, one surface of the compressing block is tightly attached to the connecting piece with holes, and the other surface of the compressing block is tightly attached to the fastening wheel.

4. The ground discharge device of any one of claims 1-3, wherein a stress circular truncated cone is fixedly connected to the top of the ground rod, a conical head is arranged at the bottom of the ground rod, grips are welded to both sides of the stress circular truncated cone, and a grip sleeve is sleeved on each grip.

5. The grounding discharge device as claimed in any one of claims 1 to 3, wherein the grounding rod is provided with a scale mark, and an auxiliary disk is sleeved on the grounding rod.

6. A ground discharge apparatus according to any one of claims 1 to 3, wherein said double-spring insulating operation rod comprises a sliding rod sleeve, a sliding rod, and a double-spring type hook, said sliding rod sleeve is provided with a sliding slot, said sliding rod is slidably connected with the outside of said sliding rod through the sliding slot, and said double-spring type hook is fixed on the top of said sliding rod.

7. The ground discharge device of claim 6, wherein a protrusion is formed on one side of the sliding rod sleeve, and the protrusion is formed with a threaded through hole communicated with the sliding groove, the ground discharge device further comprises a locking knob, a screw rod is fixed on one side of the locking knob, the screw rod of the locking knob is in threaded connection with the threaded through hole formed on the protrusion, and when the locking knob is tightly attached to the sliding rod sleeve, the sliding rod is fixed on the sliding rod sleeve.

8. The ground discharge apparatus as claimed in claim 6, wherein an insulating rubber handle is sleeved on the bottom of the sliding rod sleeve.

Technical Field

The invention relates to the technical field of electric power safety, in particular to a grounding discharge device.

Background

The grounding means that the neutral point of the power system and the electrical device, the exposed conductive portion of the electrical apparatus and the external conductive portion of the device are connected to the ground via conductors. Can be divided into working ground, lightning protection ground and protection ground. The grounding discharge device consists of a grounding body and a grounding wire. A metal conductor in direct contact with the soil is called a ground body. The metal conductor of the electrical equipment, which needs to be connected with the grounding point and the grounding body, is called the grounding wire.

As in application No.: CN201521092294.1 discloses a grounding discharge device for power distribution network line maintenance, which comprises a grounding rod and a grounding wire plug, wherein the grounding wire plug is in threaded connection with a connecting head of the grounding rod; a T-shaped contact element which is contacted with the connector is arranged in the grounding wire plug; and a conductive piece for connecting with the grounding wire is arranged on the T-shaped contact piece. The T-shaped contact piece is arranged in the grounding wire plug, the T-shaped contact piece is in complete contact with the end face of the connector, the spring arranged on the T-shaped contact piece can ensure that the T-shaped contact piece is always in close contact with the end face of the connector, the contact integrity is ensured, the contact area of the T-shaped contact piece is increased, and the grounding resistance is reduced. Based on the search of the above patent and the discovery of combining with the existing equipment, when the distribution network line is overhauled, the distribution network line is firstly connected with the ground, at this time, the grounding discharge device is needed to complete the connection, and the existing grounding discharge device has the following defects in the actual use process, such as: 1. in the existing grounding discharge device, the connection between the grounding rod and the grounding wire is connected by bolts, so that the connection between the grounding rod and the grounding wire can be completed by tools, and the installation efficiency of the grounding discharge device is reduced; 2. the depth standard of the grounding rod inserted into the underground soil is 0.5-1.5 m, and when workers insert the grounding rod into the underground soil, the current underground depth of the grounding rod cannot be accurately perceived, so that the phenomenon that the installation depth of the grounding rod does not reach the standard is caused; 3. the double-spring operating rod in the existing grounding discharge device is simple in structure, the length of the operating rod cannot be adjusted, and more wiring height requirements cannot be met.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a grounding discharge device for power distribution network line maintenance is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

The invention provides a grounding discharge device which is simple to install and high in efficiency, can accurately detect the current underground depth of a grounding rod, is adjustable in length of a double-spring operating rod and can meet the problem of more wiring height requirements.

The technical scheme of the invention is as follows:

the utility model provides a ground connection discharge device, includes the earth bar, the earth bar is connected with two spring insulating bar through the earth connection, the earth connection is equipped with a plurality of area hole connection pieces, one side that the earth bar is close to the top with one side that two spring insulating bar are close to the top all is equipped with threaded hole's connecting block, and this ground connection discharge device still is equipped with the tight pulley, one side of tight pulley is fixed with the screw rod, two the tight pulley passes respectively through the screw rod the foraminiferous connection piece at earth connection head and the tail both ends with the earth bar with threaded hole of the connecting block of two spring insulating bar carries out threaded connection.

When the grounding device is installed, due to the fact that the head end and the tail end of the grounding wire are provided with the connecting pieces with holes, the fastening wheel can be screwed, the screw rod of the fastening wheel penetrates through the connecting pieces with holes to be in threaded connection with the threaded holes of the connecting blocks of the grounding rod and the double-spring insulating operating rod respectively, therefore, connection between the grounding rod and the grounding wire and connection between the grounding rod and the double-spring insulating operating rod can be achieved without tools, and installation efficiency of the grounding discharge device is effectively improved.

Furthermore, limiting columns are welded on two sides of the threaded hole of the connecting block, three holes are formed in the connecting sheet with the holes, the two limiting columns penetrate through the holes in two sides of the connecting sheet with the holes, and a screw rod of the fastening wheel penetrates through the hole in the middle of the connecting sheet with the holes and is in threaded connection with the threaded hole of the connecting block.

Through the setting of spacing post, obtain limiting displacement when making foraminiferous connection piece connect the installation, the earth connection of being convenient for fixes a position through foraminiferous connection piece quick and connecting block, makes the earth connection through revolving to twist the tight pulley can stabilize fast and be connected the installation with earth bar and two spring insulating bar, further improves the installation effectiveness.

And furthermore, a pressing piece is further arranged, the pressing piece is provided with three holes and corresponds to the three holes of the connecting piece with holes, when the fastening wheel fastens the connecting piece with holes, the two limiting columns penetrate through the holes on the two sides of the pressing piece, then a screw rod of the fastening wheel sequentially penetrates through the hole in the middle of the pressing piece and the hole in the middle of the connecting piece with holes and is in threaded connection with a threaded hole of the connecting block, one surface of the pressing block is tightly attached to the connecting piece with holes, and the other surface of the pressing block is tightly attached to the fastening wheel.

After fixing a position foraminiferous connection piece and spacing post, continue to install the cramp piece on spacing post again, then revolve wrong tight pulley and lock foraminiferous connection piece on the connecting block, the two sides of cramp piece pastes tightly with foraminiferous connection piece and tight pulley respectively this moment, prevent effectively that there is the clearance between foraminiferous connection piece and the tight pulley, the axial motion of foraminiferous connection piece on spacing post is restricted, it is inseparable to make it firmly install on the connecting block and contact, and make earth connection and earth bar and two spring insulating bar all keep switching on, it is effective to guarantee to ground connection.

Furthermore, the top of the ground rod is fixedly connected with a stress round table, the bottom of the ground rod is a conical head, handles are welded on two sides of the stress round table, and the handles are sleeved with handle sleeves.

The ground rod is more convenient to insert into the ground for hammering through the stress round table, and the ground rod with the conical head is convenient to insert into the ground, so that the resistance is reduced, and the installation efficiency of the ground rod is improved; the handles are arranged on two sides of the stress round platform, the handles are convenient for workers to insert the grounding rod into the ground by force, and the handles are sleeved with the handle sleeves, so that the workers feel more comfortable when holding the handles and have better friction force.

Furthermore, the ground rod is provided with scale marks, and the ground rod is sleeved with an auxiliary disc. Through being equipped with the scale marking on the earth bar, make the staff when inserting the earth bar underground soil, can be accurate discover the current underground degree of depth that inserts of earth bar, and through supplementary disc, it is more convenient when making the ground to the scale marking on its earth bar, precision when effectively having improved the earth bar installation.

Further, the double-spring insulation operating rod comprises a sliding rod sleeve, a sliding rod and a double-spring hook, wherein the sliding rod sleeve is provided with a sliding groove, the sliding sleeve rod is connected with the outside of the sliding rod in a sliding mode through the sliding groove, and the double-spring hook is fixed to the top of the sliding rod.

The double-spring type hook is used for being hung on a wire needing to be grounded, when the height of the double-spring insulating operating rod needs to be adjusted, the sliding rod can be used for sliding in the sliding groove of the sliding sleeve rod, and the whole length of the double-spring insulating operating rod is flexibly adjusted through sliding between the sliding rod and the sliding rod sleeve, so that the practicability of the grounding discharge device is improved.

Furthermore, one side of the sliding rod sleeve is provided with a bulge, the bulge is provided with a threaded through hole communicated with the sliding groove, the grounding discharge device is further provided with a locking knob, one side of the locking knob is fixedly provided with a screw rod, the screw rod of the locking knob is in threaded connection with the threaded through hole formed by the bulge, and when the locking knob is tightly attached to the sliding sleeve rod, the sliding rod is in a fixed state on the sliding sleeve rod.

After the sliding rod slides in the sliding groove in the sliding sleeve rod to adjust the height, the locking knob is screwed to be tightly attached to the sliding sleeve rod, and the sliding rod is fixed on the sliding sleeve rod at the moment.

Furthermore, an insulating rubber handle is sleeved at the bottom of the sliding rod sleeve. The insulating rubber handle is convenient for the staff to hold the slip loop bar tightly to adjust the operation to two spring insulating bar.

The invention has the beneficial effects that:

1. the connecting pieces with holes at two ends of the grounding wire are quickly locked on the connecting blocks through the fastening wheels, so that the connection between the grounding rod and the grounding wire and the connection between the grounding wire and the double-spring insulating operating rod can be completed without tools, and the installation efficiency of the grounding discharge device is effectively improved;

2. in order to further improve the efficiency, a limiting column is arranged to enable the perforated connecting sheet to be quickly positioned with the connecting block, after positioning is carried out, a pressing sheet is arranged between the perforated connecting sheet and the fastening wheel, the pressing sheet effectively prevents a gap from being formed between the perforated connecting sheet and the fastening wheel, axial movement of the perforated connecting sheet on the limiting column is limited, the perforated connecting sheet can be firmly arranged on the connecting block and tightly contacted, the grounding wire, the grounding rod and the double-spring insulating operating rod are kept in conduction, and effective grounding is guaranteed;

3. the scale mark lines are arranged on the ground rod, so that when a worker inserts the ground rod into underground soil, the worker can accurately perceive the current underground depth of the ground rod, and the ground can more conveniently face the scale mark lines on the ground rod through the auxiliary disc, so that the accuracy of the ground rod in installation is effectively improved;

4. the sliding rod slides in the sliding groove of the sliding sleeve rod, so that the whole length of the double-spring insulating operating rod is flexibly adjusted, and the double-spring insulating operating rod is locked through the locking knob after the adjustment is finished, and the practicability of the grounding discharge device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a ground rod;

FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2;

FIG. 4 is a schematic diagram of a split structure of the double-spring insulated operating rod;

FIG. 5 is a schematic cross-sectional view of a double-spring insulated operating rod;

FIG. 6 is a schematic structural diagram of a ground line;

FIG. 7 is a schematic view of the fastening wheel;

FIG. 8 is a schematic view of the locking knob;

in the figure: 1-grounding rod, 101-stress circular truncated cone, 102-handle, 103-scale mark line, 104-auxiliary disc, 2-grounding wire, 201-perforated connecting sheet, 3-double-spring insulating operating rod, 301-sliding rod sleeve, 302-sliding rod, 303-double-spring hook, 304-sliding groove, 305-insulating rubber handle, 306-bulge, 4-connecting block, 401-limiting column, 5-fastening wheel, 6-pressing piece and 7-locking knob.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.