CN111834762B - Self-hammer type grounding device - Google Patents
Self-hammer type grounding device Download PDFInfo
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- CN111834762B CN111834762B CN202010633700.XA CN202010633700A CN111834762B CN 111834762 B CN111834762 B CN 111834762B CN 202010633700 A CN202010633700 A CN 202010633700A CN 111834762 B CN111834762 B CN 111834762B
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- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Abstract
The invention discloses a self-hammer type grounding device, and aims to provide a self-hammer type grounding device which is convenient to carry and safe to operate, a terminal cannot be damaged when the grounding device is installed, and the grounding device is convenient to disassemble when the grounding device is disassembled. The grounding rod comprises a grounding rod, wherein a pointed end is arranged at the lower end of the grounding rod; and the self-hammering device comprises an upper empty block arranged on the grounding rod, a lower empty block arranged on the grounding rod and a self-hammering sliding block sleeved on the grounding rod, wherein the self-hammering sliding block can slide along the grounding rod and is positioned between the upper empty block and the lower empty block.
Description
Technical Field
The invention relates to a grounding device, in particular to a self-hammer type grounding device.
Background
The ground connection stake is the must instrument of circuit maintenance installation, and present ground connection stake generally is a ironwork pole, and ground connection stake top is equipped with the terminal, is equipped with the wiring groove on the terminal. When the existing grounding pile is installed, the grounding pile is driven underground generally in a hammer knocking mode, so that when the grounding pile is installed, a hammer needs to be additionally carried, and a wiring end at the top end of the grounding pile is knocked by the hammer, so that the top end of the wiring end is easily turned over, and the wiring end is damaged; but also may cause personal injury to unskilled workers. On the other hand, when a solid ground is encountered, it is often difficult to pull the ground pile out of the ground when removing the ground pile.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the self-hammer type grounding device which is convenient to carry and safe to operate, a terminal cannot be damaged when the grounding device is installed, and the grounding device is convenient to dismantle when the grounding device is dismantled.
The technical scheme of the invention is as follows:
a self-hammering grounding device comprising: the lower end of the grounding rod is provided with a pointed end; and the self-hammering device comprises an upper empty block arranged on the grounding rod, a lower empty block arranged on the grounding rod and a self-hammering sliding block sleeved on the grounding rod, wherein the self-hammering sliding block can slide along the grounding rod and is positioned between the upper empty block and the lower empty block.
When the self-hammering type grounding device is installed, the lower end of the grounding rod is provided with the pointed end to be placed at a designated position, then an operator holds the self-hammering sliding block to impact the lower idle block downwards, and the grounding rod is driven into the ground by utilizing the kinetic energy of the self-hammering sliding block; therefore, when the grounding device is installed, an operator does not need to additionally carry a hammer (the self-hammer type grounding device is convenient to carry), and does not need to knock the wiring end at the top end of the grounding pile by using the hammer, so that the wiring end can be effectively protected, and the wiring end is prevented from being damaged; the self-hammering sliding block enables knocking force to be concentrated more, the self-hammering sliding block is easy to operate, a person without knocking and hammering experience can easily get on the hand, the problem that when a hammer knocks a grounding pile, an operator is knocked to cause personal injury is solved, and the self-hammering sliding block is convenient to operate and install. When the grounding device is dismantled, an operator holds the self-hammering sliding block and impacts the upper space block downwards, the grounding rod can be easily pulled out from the ground by utilizing the kinetic energy of the self-hammering sliding block, and the dismantling is convenient.
Preferably, the lower vacancy block comprises a lower limiting sleeve, a plurality of steel balls, a pressing sleeve, an elastic part and a locking screw sleeve, wherein the pressing sleeve, the elastic part and the locking screw sleeve are sequentially sleeved on the grounding rod from top to bottom, an inner hole of the lower limiting sleeve sequentially comprises an upper guide hole, a conical connection hole and a lower screw hole from top to bottom, the inner diameter of the lower screw hole is larger than that of the upper guide hole, the inner diameter of the conical connection hole is gradually increased from top to bottom, the grounding rod sequentially penetrates through the upper guide hole, the conical connection hole and the lower screw hole, the grounding rod sequentially penetrates through the pressing sleeve, the elastic part and the locking screw sleeve, the pressing sleeve and the elastic part are located in the lower screw hole, the locking screw sleeve is connected with the lower screw hole through threads, one part of the steel balls is filled in the conical connection hole, the other part of the steel balls is filled in the lower screw hole, and the steel balls are located above the pressing sleeve.
Because of different hardness of the ground, when the self-hammer type grounding device is installed on the soft ground, the required impact force is small, the distance between the upper vacancy block and the lower vacancy block can be reduced, so that the impact operation efficiency is improved, and the grounding rod is driven into the ground; when the self-hammering type grounding device is installed on a solid ground, the required impact force is large, and the distance between the upper vacancy block and the lower vacancy block needs to be increased, so that the kinetic energy impact force of the self-hammering sliding block is improved, and the grounding rod is driven into the ground; therefore, the position of the lower vacant block is set to be capable of being adjusted on the grounding rod in an electrodeless mode so as to meet the installation requirements of different ground hardness. However, the general lower vacancy block position adjusting structure cannot adapt to the strong impact of the self-hammer sliding block, and the self-hammer type grounding device cannot be normally used due to the fact that the lower vacancy block position adjusting structure is easy to damage; and the lower vacancy block structure of this scheme not only can be reliable adaptation self-adaptive hammer sliding block energetically strike, the position control convenient operation of vacancy piece is as follows in addition specifically: when the position of the lower vacancy block is adjusted, the locking screw sleeve is unscrewed downwards to increase the effective accommodating space of the steel ball, so that the lower vacancy block can smoothly move on the grounding rod to adjust the position; when the lower vacancy block is adjusted in place, the locking screw sleeve is screwed upwards, and the elastic piece and the pressing sleeve are jacked upwards, so that the pressing sleeve presses each steel ball between the inner wall of the conical connecting hole and the outer wall of the grounding rod, the elastic piece provides elastic pretightening force to press the steel balls between the inner wall of the conical connecting hole and the outer wall of the grounding rod, and the lower vacancy block is fixed on the grounding rod, and the adjusting operation is convenient. When the self-hammering sliding block impacts the lower vacancy block, the inner diameter of the conical connecting hole is gradually increased from top to bottom, and the steel ball is clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod, so that the lower vacancy block is firmly fixed on the grounding rod to adapt to large-force impact of the self-hammering sliding block.
Preferably, the device also comprises a knocking unlocking device, the knocking unlocking device comprises a sliding support sleeve sleeved on the grounding rod, a locking bolt arranged on the sliding support sleeve, an unlocking impact mechanism arranged at the upper end of the sliding support sleeve, an axial through hole arranged on the lower limiting sleeve and an impact rod arranged in the axial through hole in a sliding manner, the sliding support sleeve is positioned below the lower vacancy block, the unlocking impact mechanism comprises a support arranged on the upper end surface of the sliding support sleeve, a lever rotationally arranged on the support through a shaft lever and an impact block arranged at one end of the lever, the surface of the lever is also provided with an impact rod limiting groove with an upward opening, the length direction of the impact rod limiting groove is parallel to the axial direction of the lever, the impact rod limiting groove and the impact block are positioned at two opposite sides of the lever, and the impact rod limiting groove is used for being matched with the lower end of the impact rod to limit the impact rod; the axial line of the axial through hole is parallel to the axial line of the sliding support sleeve, the upper end of the impact rod is provided with a limiting block, and the lower end of the impact rod penetrates through the axial through hole and is positioned below the axial through hole; in the process that the sliding support sleeve moves upwards and is close to the locking threaded sleeve, the impact block abuts against the lower end face of the locking threaded sleeve.
When the self-hammering sliding block impacts the lower vacancy block, sometimes the steel balls are firmly clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod, even if the locking screw sleeve is unscrewed downwards, some steel balls are still clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod, and the lower vacancy block cannot move on the grounding rod smoothly; in order to solve the problem, the knocking unlocking device is specially arranged. When the locking threaded sleeve is loosened downwards, some steel balls are still clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod, so that the lower vacancy block cannot smoothly move on the grounding rod, the sliding support sleeve moves upwards, and when the sliding support sleeve is close to the locking threaded sleeve, the impact rod limiting groove is aligned with the impact rod, and the lower end of the impact rod extends into the impact rod limiting groove; then, the sliding support sleeve continues to move upwards, so that the impact rod is jacked up through the lever, and the upper end of the impact rod is positioned above the upper end face of the lower limiting sleeve; then, the sliding support sleeve continues to move upwards, so that the impact block abuts against the lower end face of the locking threaded sleeve, and the lever is driven to rotate, so that the impact block moves downwards; then the sliding support sleeve is locked and fixed on the grounding rod through a locking bolt; then, the operator holds the upper end of the impact rod which impacts the lower vacancy block downwards from the hammer sliding block and knocks the impact rod downwards, so that the impact block is jacked upwards through the lever, the locking threaded sleeve and the lower limiting sleeve are jacked upwards, the steel balls clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod are made to fall off, and the lower vacancy block can move on the grounding rod smoothly.
Preferably, the upper end of the axial through hole is provided with a limiting block accommodating hole, and the limiting block is accommodated in the limiting block accommodating hole.
Preferably, the diameter of the steel ball is larger than the difference between the inner diameter of the upper guide hole and the outer diameter of the grounding rod.
Preferably, the upper end of the grounding rod is provided with a grounding end.
Preferably, the ground terminal is provided with a connecting groove.
Preferably, the upper space block is connected with the grounding rod by welding, or the upper space block is integrally connected with the grounding rod.
Preferably, the grounding rod comprises a round steel rod and a copper-plated layer coated on the surface of the round steel rod.
Preferably, the ground rod is a cylindrical rod.
The invention has the beneficial effects that: not only convenient to carry, operation safety can not destroy the terminal when earthing device installs moreover, when earthing device demolishs, demolishs the convenience.
Drawings
Fig. 1 is a schematic structural diagram of a self-hammer type grounding device according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a self-hammer type grounding device according to a second embodiment of the present invention.
Fig. 3 is a partial enlarged view of a portion a of fig. 2.
In the figure:
the grounding rod 1, the pointed end 1.1, the grounding end 1.2 and the connecting groove 1.3;
an upper space block 2;
the steel ball bearing comprises a lower vacancy block 3, a lower limiting sleeve 3.1, a steel ball 3.2, a pressing sleeve 3.3, an elastic piece 3.4, a locking screw sleeve 3.5, a hexagonal screw sleeve 3.6, an upper guide hole 3.7, a conical connecting hole 3.8 and a lower screw hole 3.9;
a self-hammer slider 4;
knocking unlocking device 5, sliding support sleeve 5.1, locking bolt 5.2, impact rod 5.3, limit block 5.4, shaft lever 5.5, lever 5.6, impact block 5.7 and impact rod limit groove 5.8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1, a self-hammering type grounding device comprises a grounding rod 1 and a self-hammering device. The lower extreme of earth bar is equipped with prong 1.1. The hammer device comprises an upper empty block 2 arranged on the grounding rod, a lower empty block 3 arranged on the grounding rod and a self-hammering sliding block 4 sleeved on the grounding rod. The upper empty bit block is located above the lower empty bit block. The self-hammering sliding block can slide along the grounding rod and is positioned between the upper vacancy block and the lower vacancy block.
When the self-hammering type grounding device is installed, the lower end of the grounding rod is provided with the pointed end to be placed at a designated position, then an operator holds the self-hammering sliding block to impact the lower idle block downwards, and the grounding rod is driven into the ground by utilizing the kinetic energy of the self-hammering sliding block; therefore, when the grounding device is installed, an operator does not need to additionally carry a hammer (the self-hammer type grounding device is convenient to carry), and does not need to knock the wiring end at the top end of the grounding pile by using the hammer, so that the wiring end can be effectively protected, and the wiring end is prevented from being damaged; the self-hammering sliding block enables knocking force to be concentrated more, the self-hammering sliding block is easy to operate, a person without knocking and hammering experience can easily get on the hand, the problem that when a hammer knocks a grounding pile, an operator is knocked to cause personal injury is solved, and the self-hammering sliding block is convenient to operate and install. When the grounding device is dismantled, an operator holds the self-hammering sliding block and impacts the upper space block downwards, the grounding rod can be easily pulled out from the ground by utilizing the kinetic energy of the self-hammering sliding block, and the dismantling is convenient.
Further, as shown in fig. 1, the upper end of the grounding rod is provided with a grounding terminal 1.2. The grounding terminal is provided with a connecting groove 1.3.
Furthermore, the grounding rod comprises a round steel rod and a copper-plated layer coated on the surface of the round steel rod. The copper-plated round steel rod has better strength and toughness than an iron grounding pile, and is smaller in grounding resistance and safer. The grounding rod is a cylindrical rod.
Furthermore, the upper space block is connected with the grounding rod through welding, or the upper space block is integrally connected with the grounding rod.
The second embodiment is as follows: the present embodiment refers to the first embodiment in the rest of the structure, and the difference is that:
as shown in fig. 2 and 3, the lower vacancy block 3 comprises a lower limiting sleeve 3.1, a plurality of steel balls 3.2, and a pressing sleeve 3.3, an elastic member 3.4 and a locking screw sleeve 3.5 which are sequentially sleeved on the grounding rod from top to bottom. The inner hole of the lower limiting sleeve sequentially comprises an upper guide hole 3.7, a conical connecting hole 3.8 and a lower screw hole 3.9 from top to bottom. The inner diameter of the lower screw hole is larger than that of the upper guide hole. The inner diameter of the conical connecting hole is gradually increased from top to bottom. The grounding rod sequentially penetrates through the upper guide hole, the conical connecting hole and the lower screw hole. The grounding rod sequentially penetrates through the pressing sleeve, the elastic piece and the locking threaded sleeve. The pressing sleeve and the elastic piece are positioned in the lower screw hole. The locking screw sleeve is connected with the lower screw hole through threads. One part of the steel balls is filled in the conical connecting hole, the other part of the steel balls is filled in the lower screw hole, and the steel balls are positioned above the pressing sleeve. In this embodiment, the diameter of the steel ball is greater than the difference between the inner diameter of the upper guide hole and the outer diameter of the grounding rod. In this embodiment, the elastic member is a spring washer. The lower part of the locking threaded sleeve is provided with a hexagonal threaded sleeve 3.6, the hexagonal threaded sleeve is positioned below the lower limiting sleeve, and the locking threaded sleeve is rotated through the hexagonal threaded sleeve in practical operation.
Because of different hardness of the ground, when the self-hammer type grounding device is installed on the soft ground, the required impact force is small, the distance between the upper vacancy block and the lower vacancy block can be reduced, so that the impact operation efficiency is improved, and the grounding rod is driven into the ground; when the self-hammering type grounding device is installed on a solid ground, the required impact force is large, and the distance between the upper vacancy block and the lower vacancy block needs to be increased, so that the kinetic energy impact force of the self-hammering sliding block is improved, and the grounding rod is driven into the ground; therefore, the position of the lower vacant block is set to be capable of being adjusted on the grounding rod in an electrodeless mode so as to meet the installation requirements of different ground hardness. However, the general lower vacancy block position adjusting structure cannot adapt to the strong impact of the self-hammer sliding block, and the self-hammer type grounding device cannot be normally used due to the fact that the lower vacancy block position adjusting structure is easy to damage; and the lower vacancy block structure of this scheme not only can be reliable adaptation self-adaptive hammer sliding block energetically strike, the position control convenient operation of vacancy piece is as follows in addition specifically: when the position of the lower vacancy block is adjusted, the locking screw sleeve is unscrewed downwards to increase the effective accommodating space of the steel ball, so that the lower vacancy block can smoothly move on the grounding rod to adjust the position; when the lower vacancy block is adjusted in place, the locking screw sleeve is screwed upwards, and the elastic piece and the pressing sleeve are jacked upwards, so that the pressing sleeve presses each steel ball between the inner wall of the conical connecting hole and the outer wall of the grounding rod, the elastic piece provides elastic pretightening force to press the steel balls between the inner wall of the conical connecting hole and the outer wall of the grounding rod, and the lower vacancy block is fixed on the grounding rod, and the adjusting operation is convenient. When the self-hammering sliding block impacts the lower vacancy block, the inner diameter of the conical connecting hole is gradually increased from top to bottom, and the steel ball is clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod, so that the lower vacancy block is firmly fixed on the grounding rod to adapt to large-force impact of the self-hammering sliding block.
Further, as shown in fig. 2 and 3, the self-hammer type grounding device further comprises a knocking unlocking device 5. The knocking unlocking device comprises a sliding support sleeve 5.1 sleeved on the grounding rod, a locking bolt 5.2 arranged on the sliding support sleeve, an unlocking impact mechanism arranged at the upper end of the sliding support sleeve, an axial through hole arranged on the lower limiting sleeve and an impact rod 5.3 arranged in the axial through hole in a sliding manner. The sliding support sleeve is positioned below the lower vacant block. The unlocking impact mechanism comprises a support arranged on the upper end face of the sliding support sleeve, a lever 5.6 arranged on the support in a rotating mode through a shaft lever 5.5 and an impact block 5.7 arranged at one end of the lever. The shaft lever is horizontally arranged. The lever extends in the radial direction of the sliding support sleeve. Still be equipped with the striking pole spacing groove 5.8 that the opening faces up on the lever surface, the length direction in striking pole spacing groove is parallel with the axial of lever. The impact rod limiting groove and the impact block are positioned on two opposite sides of the shaft rod. The impact rod limiting groove is used for being matched with the lower end of the impact rod to limit the impact rod. The axial line of the axial through hole is parallel to the axial line of the sliding support sleeve. The upper end of the striking rod is provided with a limit block 5.4. The lower end of the striking rod passes through the axial through hole and is positioned below the axial through hole. In the process that the sliding support sleeve moves upwards and is close to the locking threaded sleeve, the impact block abuts against the lower end face of the locking threaded sleeve.
When the vacancy block is under the self-hammering sliding block striking, sometimes the steel ball will appear will be firm chucking between the inner wall of toper connecting hole and the outer wall of earth bar, even with locking swivel nut down the unscrewing, some steel balls still the chucking between the inner wall of toper connecting hole and the outer wall of earth bar, lead to the vacancy piece to move on the earth bar smoothly down. In order to solve the problem, the knocking unlocking device is specially arranged. When the locking screw sleeve is unscrewed downwards, some steel balls are still clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod, so that the lower vacant position block cannot move on the grounding rod smoothly; moving the sliding support sleeve upwards, aligning the impact rod limiting groove with the impact rod when the sliding support sleeve is close to the locking threaded sleeve, and enabling the lower end of the impact rod to extend into the impact rod limiting groove; then, the sliding support sleeve continues to move upwards, so that the impact rod is jacked up through the lever, and the upper end of the impact rod is positioned above the upper end face of the lower limiting sleeve; then, the sliding support sleeve continues to move upwards, so that the impact block abuts against the lower end face of the locking threaded sleeve, and the lever is driven to rotate, so that the impact block moves downwards; then the sliding support sleeve is locked and fixed on the grounding rod through a locking bolt; then, the operator holds the upper end of the impact rod which impacts the lower vacancy block downwards from the hammer sliding block and knocks the impact rod downwards, so that the impact block is jacked upwards through the lever, the locking threaded sleeve and the lower limiting sleeve are jacked upwards, the steel balls clamped between the inner wall of the conical connecting hole and the outer wall of the grounding rod are made to fall off, and the lower vacancy block can move on the grounding rod smoothly.
Furthermore, the upper end of the axial through hole is provided with a limiting block accommodating hole, and the limiting block is accommodated in the limiting block accommodating hole.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (7)
1. A self-hammer type grounding device is characterized by comprising:
the lower end of the grounding rod is provided with a pointed end; and
the self-hammering device comprises an upper vacancy block arranged on the grounding rod, a lower vacancy block arranged on the grounding rod and a self-hammering sliding block sleeved on the grounding rod, wherein the self-hammering sliding block can slide along the grounding rod and is positioned between the upper vacancy block and the lower vacancy block; the lower vacancy block comprises a lower limiting sleeve, a plurality of steel balls, a pressing sleeve, an elastic piece and a locking screw sleeve, wherein the pressing sleeve, the elastic piece and the locking screw sleeve are sequentially sleeved on the grounding rod from top to bottom;
the knocking unlocking device comprises a sliding support sleeve sleeved on the grounding rod, a locking bolt arranged on the sliding support sleeve, an unlocking impact mechanism arranged at the upper end of the sliding support sleeve, an axial through hole arranged on the lower limiting sleeve and an impact rod arranged in the axial through hole in a sliding manner, the sliding support sleeve is positioned below the lower vacancy block, the unlocking impact mechanism comprises a support arranged on the upper end face of the sliding support sleeve, a lever arranged on the support through rotation of a shaft rod and an impact block arranged at one end of the lever, an impact rod limiting groove with an upward opening is further arranged on the surface of the lever, the length direction of the impact rod limiting groove is parallel to the axial direction of the lever, the impact rod limiting groove and the impact block are positioned on two opposite sides of the shaft rod, and the impact rod limiting groove is used for being matched with the lower end of the impact rod to impact the impact rod; the axial line of the axial through hole is parallel to the axial line of the sliding support sleeve, the upper end of the impact rod is provided with a limiting block, and the lower end of the impact rod penetrates through the axial through hole and is positioned below the axial through hole; in the process that the sliding support sleeve moves upwards and is close to the locking threaded sleeve, the impact block abuts against the lower end face of the locking threaded sleeve.
2. The self-hammer grounding device according to claim 1, wherein a stopper receiving hole is provided at an upper end of the axial through hole, and the stopper is received in the stopper receiving hole.
3. The self-hammer type grounding device according to claim 1 or 2, wherein the diameter of the steel ball is larger than the difference between the inner diameter of the upper guide hole and the outer diameter of the grounding rod.
4. The self-hammer grounding device according to claim 1 or 2, wherein a grounding end is provided at an upper end of the grounding rod.
5. The self-hammer grounding device of claim 4, wherein the grounding terminal is provided with a connecting groove.
6. The self-hammer type grounding device according to claim 1 or 2, wherein the grounding rod comprises a round steel rod and a copper-plated layer coated on the surface of the round steel rod.
7. The self-hammer grounding device according to claim 1 or 2, wherein the grounding rod is a cylindrical rod.
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| CN202010633700.XA CN111834762B (en) | 2020-07-02 | 2020-07-02 | Self-hammer type grounding device |
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| CN202010633700.XA CN111834762B (en) | 2020-07-02 | 2020-07-02 | Self-hammer type grounding device |
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| CN111834762B true CN111834762B (en) | 2021-12-07 |
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| CN212648510U (en) * | 2020-07-02 | 2021-03-02 | 国网浙江省电力有限公司丽水供电公司 | Self-hammer type grounding device |
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| CN111834762A (en) | 2020-10-27 |
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