CN208874062U - Neutral earthing devices - Google Patents

Neutral earthing devices Download PDF

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Publication number
CN208874062U
CN208874062U CN201821637518.6U CN201821637518U CN208874062U CN 208874062 U CN208874062 U CN 208874062U CN 201821637518 U CN201821637518 U CN 201821637518U CN 208874062 U CN208874062 U CN 208874062U
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CN
China
Prior art keywords
cabinet body
neutral earthing
earthing devices
support frame
hole
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CN201821637518.6U
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Chinese (zh)
Inventor
付原
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HUBEI SHAOXIN SPECIAL ELECTRIC CO Ltd
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HUBEI SHAOXIN SPECIAL ELECTRIC CO Ltd
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Abstract

The utility model relates to neutral earthing devices, including cabinet body and pedestal, cabinet body is connected with pedestal, elastic parts is provided between pedestal and cabinet body, interior of the cabinet is removably provided with support frame, the resistor disc of multiple head and the tail welding is installed on support frame, resistor disc is connected by insulator with support frame, heat release hole is provided on the side wall of cabinet body, arc panel corresponding with heat release hole is provided on the outer wall of cabinet body, it can be very good to alleviate cabinet body generated vibration in the process of running by elastic parts, improve its service life.

Description

Neutral earthing devices
Technical field
The utility model relates to electric power grid system technical fields, are directed primarily to electric elements auxiliary cabinet body, specifically Refer to neutral earthing devices.
Background technique
With the development of urban distribution network, the ratio of cable run increases year by year, leads to the sharp increase of capacitive earth current.For Distribution network based on cable run, if used in a manner of isolated neutral or neutral by arc extinction coil grounding mode Operation, when singlephase earth fault occurs, can generate the very high overvoltage of several times amplitude, be easy to develop into phase fault, make event Barrier expands, and damages electrical equipment, endangers system safety operation.In the prior art, well known technology is currently, China is existing not Few power network neutral point uses the method for operation of resistance grounded.It is nonmetallic when occurring after neutral-point grounding resistance cabinet is installed Property ground connection when, influenced by ground resistance, significant decrease when flowing through grounding point and neutral point electric current than metallic ground, zero sequence Voltage value be about single phase metal ground connection half, therefore using Neutral Grounding through Resistance in Electrical mode can be very good to solve it is existing The problems in technology.
But cabinet body volume in the prior art is larger, it has not been convenient to it is mobile, it is all to be moved by special hanger most of the time Dynamic position, lift at the scene it is very inconvenient, in addition, internal temperature is very high in the hot summer for cabinet body, interior of the cabinet resistance It is in the condition of high temperature for a long time, is very easy to short circuit occur or other the case where being unable to normal use, the utility model is directed to Problem above proposes a kind of new solution.
Utility model content
It is to be solved in the utility model be power station valve equipment in the prior art be inconvenient to move, leakproofness difference and The problems such as having a single function provides a kind of neutral earthing devices in view of the above problems, has solved problem above.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of neutral earthing devices, including cabinet body And pedestal, cabinet body are connected with pedestal, and elastic parts is provided between pedestal and cabinet body, interior of the cabinet is removably provided with support Frame is equipped with the resistor disc of multiple head and the tail welding on support frame, and resistor disc is connected by insulator with support frame, the side wall of cabinet body On be provided with heat release hole, arc panel corresponding with heat release hole is provided on the outer wall of cabinet body, cabinet body upper end is provided with holding tank, Mobilizable be provided with slings component in holding tank, and it includes shaft and lifting boom that this, which slings component, and lifting boom is by shaft and holds Slot of receiving is flexibly connected, and fixation hole and fastener hole, fixation hole and the penetrating setting of fastener hole are provided on lifting boom, can inside fastener hole What is adjusted is provided with anchorage bar, and holding tank is mobilizable to be provided with cover board, and the upper surface of cover board is provided with lock ball, cabinet body it is upper Surface is provided with fixing groove, is provided with rubber pad in fixing groove, and locking hole corresponding with lock ball is provided on the rubber pad.
Based on the above technical solution, the utility model can also do following improvement.
On the basis of above scheme preferably, the base upper surface is provided with chamber, the elastic parts setting In chamber, the cabinet body is connected with chamber and elastic parts respectively.
On the basis of above scheme preferably, sliding block, the side wall of the cabinet body are provided on the side wall of the chamber On be provided with sliding slot corresponding with sliding block.
On the basis of above scheme preferably, the elastic parts includes spring and rubber pad, spring and rubber pad Both ends be connected respectively with the bottom end of the lower surface of cabinet body and chamber.
On the basis of above scheme preferably, supporting block, the two sides of support frame are provided on the inner wall of the cabinet body It is provided with baffle corresponding with supporting block.
On the basis of above scheme preferably, the heat release hole and arc panel respectively it is mutual corresponding be provided with it is more It is a.
On the basis of above scheme preferably, Air Filter is provided on the heat release hole.
On the basis of above scheme preferably, the front end of the cover board is provided with bearing rod, the upper table of the cabinet body Face is provided with holding groove corresponding with bearing rod.
On the basis of above scheme preferably, the bearing rod is detachably arranged in holding groove by bolt.
On the basis of above scheme preferably, the anchorage bar and lifting boom are to be threadedly coupled.
The beneficial effects of the utility model are: being provided with elastic parts between the utility model in the base and cabinet body, pass through Elastic parts can be very good to alleviate cabinet body generated vibration in the process of running, improves its service life, slings component Design whole cabinet body is lifted by crane by any lifting appliance, it is not necessary to special lifting tool is used, in addition, rising It hangs component to be arranged in holding tank, the surface of cabinet body will not be had an impact, so that it is whole more beautiful, and anchorage bar and fastening The matching design in hole can be clamped suspension hook during lifting, prevent it from sliding, and support frame passes through baffle and branch Bracer is connect with cabinet body, facilitates the dismounting to support frame.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the neutral earthing devices of the utility model;
Fig. 2 is the anchorage bar of the neutral earthing devices of the utility model and the fit structure schematic diagram of lifting boom;
Fig. 3 is the cabinet body of the neutral earthing devices of the utility model and the structural schematic diagram of sliding slot;
Fig. 4 is the top view of the cabinet body of the neutral earthing devices of the utility model;
In figure:
1, cabinet body, 2, pedestal, 3, support frame, 4, resistor disc, 5, heat release hole, 6, arc panel, 7, holding tank, 8, lifting boom, 9, fixation hole, 10, fastener hole, 11, fastening block, 12, cover board, 13, lock ball, 14, rubber pad, 15, locking hole, 16, chamber, 17, sliding block, 18, sliding slot, 19, spring, 20, rubber pad, 21, supporting block, 22, baffle, 23, bearing rod, 24, holding groove.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Embodiment 1: as shown in Figures 1 to 4, neutral earthing devices, including cabinet body 1 and pedestal 2,2 phase of cabinet body 1 and pedestal Even, elastic parts is provided between pedestal 2 and cabinet body 1, interior of the cabinet is removably provided with support frame 3, installs on support frame 3 There is the resistor disc 4 of multiple head and the tail welding, resistor disc 4 is connected by insulator with support frame, and heat dissipation is provided on the side wall of cabinet body 1 Hole 5 is provided with arc panel 6 corresponding with heat release hole 5 on the outer wall of cabinet body 1, and 1 upper end of cabinet body is provided with holding tank 7, accommodates Mobilizable be provided with slings component in slot 7, and it includes shaft and lifting boom 8 that this, which slings component, and lifting boom 8 is by shaft and accommodates Slot 7 is flexibly connected, and is provided with fixation hole 9 and fastener hole 10, fixation hole 9 and the penetrating setting of fastener hole 10, fastener hole on lifting boom 8 10 internal adjustables are provided with anchorage bar 11, and holding tank 7 is mobilizable to be provided with cover board 12, and the upper surface of cover board 12 is provided with Lock ball 13, the upper surface of cabinet body are provided with fixing groove, rubber pad 14 are provided in fixing groove, be provided on the rubber pad 14 with The corresponding locking hole 15 of lock ball 13.
As shown in Figure 1, in order to preferably be installed to cabinet body and pedestal, it is described in further specific embodiment 2 upper surface of pedestal is provided with chamber 16, and the elastic parts is arranged in chamber 16, the cabinet body 1 respectively with chamber 16 and bullet Property component be connected.
As shown in figures 1 and 3, in order to make cabinet body and pedestal can be with relative motion, so as to better damping, into one It walks in specific embodiment, sliding block 17 is provided on the side wall of the chamber 16, be provided on the side wall of the cabinet body 1 and sliding block 17 corresponding sliding slots 18.
As shown in Figure 1, in order to preferably use elastic parts, in further specific embodiment, the elastic parts Including spring 19 and rubber pad 20, the both ends of spring 19 and rubber pad 20 bottom end with the lower surface of cabinet body 1 and chamber 16 respectively It is connected.
As shown in Figure 1, in order to preferably support frame be made to be connected with cabinet body, it is described in further specific embodiment Supporting block 21 is provided on the inner wall of cabinet body 1, the two sides of support frame 3 are provided with baffle 22 corresponding with supporting block 21, this reality With preferably baffle 22 and supporting block 21 being fixed by bolt in novel, if do not moved, being not fixed can also be with.
As shown in Figure 1, in order to preferably be dispersed to the heat of interior of the cabinet, in further specific embodiment, The heat release hole 5 and arc panel 6 respectively it is mutual corresponding be provided with it is multiple.
In order to preferably radiating subassembly be used to be provided on the heat release hole 5 dust-proof in further specific embodiment Net.
As shown in Figure 1 and Figure 4, in order to which preferably cover board is fixed, in further specific embodiment, the lid The front end of plate 12 is provided with bearing rod 23, and the upper surface of the cabinet body 1 is provided with holding groove 24 corresponding with bearing rod 23.
As shown in Figure 1 and Figure 4, described in further specific embodiment in order to which preferably bearing rod is fixed Bearing rod 23 is detachably arranged in holding groove 24 by bolt, so that cover board 12 be made not open.
Please continue to refer to shown in Fig. 3, in order to preferably use anchorage bar and fastener hole, in further specific embodiment In, the anchorage bar 11 and lifting boom 10 are to be threadedly coupled, and can be squeezed suspension hook by anchorage bar 11, play clamping and make With.
Embodiment 2: as shown in Figures 1 to 4, when in use, lifting by crane cabinet body 1 first, suspension hook be inserted into fastener hole 12, Rotational fastener bar 11, until anchorage bar 11 is in contact with suspension hook, after being moved to suitable position, by lifting component income to receiving In slot 7, cover board 12 is covered into holding tank 7, bearing rod 23 is extend into holding groove 24, lock fixed to bearing rod 23 by bolt Tight ball 13 can be fixed the cover board 12 in using, and lock ball 13 is inserted into locking hole 15, the diameter of locking hole 15 Less than the diameter of lock ball 13, resistor disc 4 is connected by conducting wire with external electric power system, and resistor disc is connected with ground line, cabinet body 1 On be provided with string holes corresponding with conducting wire, resistor disc 4 is mounted on support frame 3, and support frame 3 is detachably connected with cabinet body 1, institute Passed through with facilitating installation and removal of the user for resistor disc 4 in addition, electrode slice 4 can generate vibration in use Spring 19 and rubber pad 20 weaken vibration, and cabinet body 1 and pedestal 2 are mutually slided by sliding block 17 and sliding slot 18 during vibration, In addition, heat is circulated outward by heat release hole 5 in cabinet body 1, the design of Air Filter can effectively prevent extraneous dust from entering To inside cabinet body 1, the design of arc panel 6 can be very good rain-proof.
Finally, the present processes are only preferable embodiment, it is not intended to limit the protection scope of the utility model. Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this reality Within novel protection scope.

Claims (10)

1. neutral earthing devices, including cabinet body and the pedestal being connected with the cabinet body, which is characterized in that the pedestal and institute It states and is provided with elastic parts between cabinet body, the interior of the cabinet is removably provided with support frame, is equipped on support frame as described above The resistor disc of multiple head and the tail welding, the resistor disc are connected with support frame as described above by insulator, are set on the side wall of the cabinet body It is equipped with heat release hole, arc panel corresponding with the heat release hole is provided on the outer wall of the cabinet body;
The cabinet body upper end is provided with holding tank, and mobilizable be provided with slings component in the holding tank, this slings component packet Shaft and lifting boom are included, the lifting boom is flexibly connected by shaft with the holding tank, is provided with fixation on the lifting boom Hole and fastener hole, the fixation hole and the penetrating setting of the fastener hole, the fastener hole internal adjustable are provided with anchorage bar, The holding tank is mobilizable to be provided with cover board, and the upper surface of the cover board is provided with lock ball, and the upper surface of the cabinet body is set It is equipped with fixing groove, is provided with rubber pad in the fixing groove, locking hole corresponding with lock ball is provided on the rubber pad.
2. neutral earthing devices as described in claim 1, which is characterized in that the base upper surface is provided with chamber, institute It states elastic parts to be arranged in the chamber, the cabinet body is connected with the chamber and the elastic parts respectively.
3. neutral earthing devices as claimed in claim 2, which is characterized in that it is provided with sliding block on the side wall of the chamber, Sliding slot corresponding with the sliding block is provided on the side wall of the cabinet body.
4. neutral earthing devices as described in claim 1, which is characterized in that the elastic parts includes spring and rubber The both ends of pad, the spring and the rubber pad are connected with the bottom end of the lower surface of cabinet body and chamber respectively.
5. neutral earthing devices as claimed in claim 4, which is characterized in that be provided with support on the inner wall of the cabinet body Block, the two sides of support frame as described above are provided with baffle corresponding with the supporting block.
6. neutral earthing devices as claimed in claim 5, which is characterized in that the heat release hole and the arc panel distinguish phase Mutually it is corresponding be provided with it is multiple.
7. neutral earthing devices as described in claim 1, which is characterized in that be provided with Air Filter on the heat release hole.
8. neutral earthing devices as described in claim 1, which is characterized in that the front end of the cover board is provided with bearing rod, The upper surface of the cabinet body is provided with holding groove corresponding with the bearing rod.
9. neutral earthing devices as claimed in claim 8, which is characterized in that the bearing rod is removably pacified by bolt In holding groove.
10. the neutral earthing devices as described in claim any one of 1-9, which is characterized in that the anchorage bar and described Lifting boom is to be threadedly coupled.
CN201821637518.6U 2018-10-10 2018-10-10 Neutral earthing devices Active CN208874062U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821637518.6U CN208874062U (en) 2018-10-10 2018-10-10 Neutral earthing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821637518.6U CN208874062U (en) 2018-10-10 2018-10-10 Neutral earthing devices

Publications (1)

Publication Number Publication Date
CN208874062U true CN208874062U (en) 2019-05-17

Family

ID=66469714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821637518.6U Active CN208874062U (en) 2018-10-10 2018-10-10 Neutral earthing devices

Country Status (1)

Country Link
CN (1) CN208874062U (en)

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