CN215070459U - Rotatable flat-opening handheld high-voltage power system overhauling grounding device - Google Patents
Rotatable flat-opening handheld high-voltage power system overhauling grounding device Download PDFInfo
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- CN215070459U CN215070459U CN202121613762.0U CN202121613762U CN215070459U CN 215070459 U CN215070459 U CN 215070459U CN 202121613762 U CN202121613762 U CN 202121613762U CN 215070459 U CN215070459 U CN 215070459U
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Abstract
The utility model discloses a formula high voltage power system overhauls earthing device is held to rotatable flat mouthful hand, including flat mouthful clamp, flat mouthful pincers tongue and insulating bar, connect the earth connection on the flat mouthful clamp, the flat mouthful pincers tongue sets up in the flat mouthful clamp through automatic re-setting fixture, rotates between the one end of flat mouthful clamp and the one end of insulating bar to be connected, and automatic re-setting fixture is connected with centre gripping operating device. The grounding device has the advantages that the insulating operating rod and the plain clamp are connected in a rotating mode, the plain clamp can rotate leftwards and rightwards relative to the operating rod, and the grounding wire of an electrified body with a narrow space or an irregular shape can be quickly and reliably hung by adjusting the angle of the plain clamp relative to the insulating operating rod. The insulating handle of earthing device passes through the connection steel cable conduction grip of high strength, and the connection steel cable is fixed on passing power and wearing the round pin, passes power and wears the round pin and drive the pincers tongue of plain end clamp and remove, through spacing spring direction and spacing, operates fast and reliably, can effectively improve ground connection operating efficiency.
Description
Technical Field
The utility model relates to a power equipment overhauls auxiliary device, especially relates to a rotatable flat mouthful hand-held type high voltage electricity system overhauls earthing device.
Background
Dispose a large amount of 10kV electrical equipment in the large-scale hydropower station factory, the electrical equipment has a power failure and overhauls the time earthing operation frequently, and traditional 10kV short circuit earthing device has following problem:
(1) the ground wire insulating operating rod and the ground clamp are fixed on the same plane, the lead screw is driven to operate through the rotary insulating rod, and the operating efficiency is not high.
(2) For the charged bodies with narrow operation space or irregular shapes, the grounding parts of the partial charged bodies are not on the same straight plane with the insulating operation rod, and the grounding operation cannot be finished by using the traditional grounding wire.
Disclosure of Invention
The utility model aims at providing a rotatable flat-end hand-held type high voltage electric power system overhauls earthing device to the operation that current 10kV indoor electrical equipment earth connection exists comparatively loaded down with trivial details, narrow space in female the unable circumstances such as card jail of arranging. The device can realize functions such as the simple operation, the female centre gripping of arranging of electricity is firm in narrow space, can effectively improve operating efficiency to guarantee to overhaul the operation security.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
the utility model discloses a flat clamp, flat-nose pincers tongue and insulating bar, connect the earth connection on the flat-nose clamp, the flat-nose pincers tongue through automatic re-setting fixture set up in the flat-nose clamp, the one end of flat-nose clamp with rotate between the one end of insulating bar and connect, automatic re-setting fixture is connected with centre gripping operating device.
Furthermore, the automatic reset clamping mechanism is composed of a force transmission penetrating pin and a spring, one end of the force transmission penetrating pin is fixedly connected with one end face of the flat-nose pliers tongue, the other end of the force transmission penetrating pin penetrates through the flat-nose pliers and is connected with the clamping operating mechanism, the spring is sleeved on the force transmission penetrating pin, and two ends of the spring are located between the flat-nose pliers tongue and the flat-nose pliers.
Furthermore, the clamping operation mechanism is composed of an insulating clamping operation handle, an insulating connecting plate and a connecting steel rope, the force transmission penetrating pin penetrates through one end of the flat clamp to be connected with one end of the connecting steel rope, the other end of the connecting steel rope is connected with the operation end of the insulating clamping operation handle through the insulating connecting plate, and the insulating clamping operation handle is rotatably connected with the insulating operation rod.
Preferably, the connecting steel rope is divided into two sections, one end of each of the two sections of connecting steel rope is fixedly connected with two ends of the insulating connecting plate, the other end of each of the two sections of connecting steel rope is connected with the force transmission penetrating pin, and the other end of each of the two sections of connecting steel rope is connected with the insulating clamping operation handle.
Further, the grounding wire is connected with the plain end clamp through a grounding connecting bolt.
The utility model has the advantages that:
the utility model relates to a rotatable flat-nose hand-held type high voltage electric power system overhauls earthing device, compared with the prior art, the utility model discloses following beneficial effect has:
the grounding device comprises a grounding device, a flat clamp, a control rod, a flat clamp and a grounding device, wherein the grounding device is connected with the flat clamp in a rotating mode, the flat clamp can rotate leftwards and rightwards relative to the control rod, and the grounding device can realize quick and reliable hanging of a grounding wire of an electrified body with a narrow space or an irregular shape by adjusting the angle of the flat clamp relative to the insulating control rod.
And (II) the insulating grip of the grounding device transmits grip force through a high-strength connecting steel rope, the connecting steel rope is fixed on a force transmission penetrating pin, the force transmission penetrating pin drives a clamp tongue of the plain clamp to move, and the grounding device is guided and limited through a limiting spring, is quick and reliable in operation and can effectively improve the grounding operation efficiency.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.
As shown in fig. 1: the utility model discloses a flat clamp 1, flat-nose pincers tongue 2 and insulating bar 5, connect the earth connection on the flat-nose clamp 1, flat-nose pincers tongue 2 through automatic re-setting fixture set up in the flat-nose clamp 1, the one end of flat-nose pincers 1 with rotate between the one end of insulating bar 5 and connect, automatic re-setting fixture is connected with centre gripping operating device.
Furthermore, the automatic reset clamping mechanism is composed of a force transmission penetrating pin 3 and a spring 4, one end of the force transmission penetrating pin 3 is fixedly connected with one end face of the flat-nose pliers tongue 2, the other end of the force transmission penetrating pin 3 penetrates through the flat-nose pliers 1 to be connected with the clamping operation mechanism, the spring 4 is sleeved on the force transmission penetrating pin 3, and two ends of the spring 4 are located between the flat-nose pliers tongue 2 and the flat-nose pliers 1.
Furthermore, the clamping operation mechanism is composed of an insulating clamping operation handle 6, an insulating connecting plate 7 and a connecting steel rope 9, one end of the force transmission penetrating pin 3 penetrating through the flat tongs 1 is connected with one end of the connecting steel rope 9, the other end of the connecting steel rope 9 is connected with the operation end of the insulating clamping operation handle 6 through the insulating connecting plate 7, and the insulating clamping operation handle 6 is rotatably connected with the insulating operation rod 5.
Preferably, the connecting steel rope 9 is provided with two sections, one end of each of the two sections of the connecting steel rope 9 is fixedly connected with two ends of the insulating connecting plate 7, the other end of one section of the connecting steel rope 9 is connected with the force transmission penetrating pin 3, and the other end of the other section of the connecting steel rope 9 is connected with the insulating clamping operation handle 6.
Further, the grounding wire is connected with the flat tongs 1 through a grounding connecting bolt 8.
The working principle of the utility model is as follows:
when the utility model is used, firstly, the flat tongs 1 needs to be connected with the grounding wire through the grounding connecting bolt 8, and then the insulating clamping operation handle 6 is held, so that the insulating clamping operation handle 6 drives the force transmission penetrating pin 3 to move through the connecting steel rope 9, thereby pulling the flat-nose pliers tongue 2 to move, after the bayonet between the flat-nose pliers 1 and the flat-nose pliers tongue 2 is clamped into the grounding parts such as the grounding busbar, the insulating clamping operation handle 6 is loosened, the flat-nose pliers tongue 2 is reset under the action of the spring 4, the grounding busbar is firmly connected with the flat tongs 1 and the flat tongs tongue 2 through the elasticity of the spring 4, the flat tongs 1 is rotationally connected with the insulating operating rod 5, so that the flat tongs 1 can rotate left and right, therefore, the angle between the flat clamp 1 and the insulating operating rod 5 can be adjusted, and the reliable clamping between the grounding part and the flat clamp 1 can be ensured; the middle section of the connecting steel rope 9 is provided with an insulating connecting plate 7, so that the insulating property of the grounding device is ensured, and the length of the insulating operating rod 5 meets the regulation of electric power safety work regulations. The connecting steel rope 9 is arranged in the insulating operating rod 5, so that the appearance is attractive, the operation is convenient, and the safety is higher.
Through tests, the assembling and disassembling operations (single phase) of the grounding wire of the power plant are carried out for more than 480 times every year, the grounding wire is assembled and disassembled for about 4 minutes each time before the grounding device is improved, the grounding wire is assembled and disassembled for about 1 minute each time after the grounding device is improved, the assembling and disassembling time of the grounding wire is saved for 1440 minutes totally, the working time is saved for 24 hours, the working system is worked according to 8 hours, the operating time of operators is saved for 3 days totally, at least 2 persons are required for participation in each operation according to the operation regulations, the working time and the labor cost are saved for about 6 days totally, and the grounding device has the important significance of reducing the labor intensity and saving the human resources.
Through tests, the improved grounding wire is particularly suitable for operation in narrow space areas such as a 10kV dry-type transformer, firm clamping of the busbar and other parts can be guaranteed by changing the angle of the clamp, the safety of operators is guaranteed, and good safety benefits are created.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a rotatable flat-end handheld high voltage electric power system overhauls earthing device which characterized in that: the clamp comprises a plain end clamp (1), a plain end clamp tongue (2) and an insulating operating rod (5), wherein the plain end clamp (1) is connected with a ground wire, the plain end clamp tongue (2) is arranged in the plain end clamp (1) through an automatic reset clamping mechanism, one end of the plain end clamp (1) is connected with one end of the insulating operating rod (5) in a rotating mode, and the automatic reset clamping mechanism is connected with a clamping operating mechanism.
2. The rotatable flat-nose hand-held high voltage power system service grounding device of claim 1, wherein: the automatic reset clamping mechanism is composed of a force transmission penetrating pin (3) and a spring (4), one end of the force transmission penetrating pin (3) is fixedly connected with one end face of the plain vice tongue (2), the other end of the force transmission penetrating pin (3) penetrates through the plain vice (1) to be connected with the clamping operation mechanism, the spring (4) is sleeved on the force transmission penetrating pin (3), and two ends of the spring (4) are located between the plain vice tongue (2) and the plain vice (1).
3. The rotatable flat-nose hand-held high voltage power system service grounding device of claim 2, wherein: the clamping operation mechanism is composed of an insulating clamping operation handle (6), an insulating connecting plate (7) and a connecting steel rope (9), a force transmission penetrating pin (3) penetrates through one end of the plain end clamp (1) to be connected with one end of the connecting steel rope (9), the other end of the connecting steel rope (9) passes through the insulating connecting plate (7) to be connected with the operation end of the insulating clamping operation handle (6), and the insulating clamping operation handle (6) is rotatably connected with the insulating operation rod (5).
4. The rotatable flat-nose hand-held high voltage power system service grounding device of claim 3, wherein: the connecting steel rope (9) is divided into two sections, one end of each of the two sections of connecting steel rope (9) is fixedly connected with two ends of the insulating connecting plate (7), the other end of one section of connecting steel rope (9) is connected with the force transmission penetrating pin (3), and the other end of the other section of connecting steel rope (9) is connected with the insulating clamping operation handle (6).
5. The rotatable flat-nose hand-held high voltage power system service grounding device of claim 1, wherein: the grounding wire is connected with the plain end clamp (1) through a grounding connecting bolt (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121613762.0U CN215070459U (en) | 2021-07-15 | 2021-07-15 | Rotatable flat-opening handheld high-voltage power system overhauling grounding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121613762.0U CN215070459U (en) | 2021-07-15 | 2021-07-15 | Rotatable flat-opening handheld high-voltage power system overhauling grounding device |
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CN215070459U true CN215070459U (en) | 2021-12-07 |
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CN202121613762.0U Active CN215070459U (en) | 2021-07-15 | 2021-07-15 | Rotatable flat-opening handheld high-voltage power system overhauling grounding device |
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2021
- 2021-07-15 CN CN202121613762.0U patent/CN215070459U/en active Active
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