CN209881405U - Lightning protection device of direct current transmission control cabinet - Google Patents
Lightning protection device of direct current transmission control cabinet Download PDFInfo
- Publication number
- CN209881405U CN209881405U CN201920942945.3U CN201920942945U CN209881405U CN 209881405 U CN209881405 U CN 209881405U CN 201920942945 U CN201920942945 U CN 201920942945U CN 209881405 U CN209881405 U CN 209881405U
- Authority
- CN
- China
- Prior art keywords
- lead screw
- lightning protection
- control cabinet
- transmission control
- protection device
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a direct current drive switch board lightning protection device, including stay tube and direct current drive switch board body, the guard box is installed admittedly to the end of stay tube, the inside of stay tube is provided with the lead screw, the top of lead screw is run through the guard box and is extended to the outside on guard box top and fixedly connected with is used for rotating the hand wheel of lead screw, the fixed surface of lead screw is provided with the ratchet that is located the guard box inside, be provided with the fixed establishment who is used for fixed lead screw on the inner wall on guard box right side, fixed establishment is by the gag lever post, the handle, stopper and spring are constituteed, stopper fixed mounting is at the surface of gag lever post, the spring sets up the surface at. The utility model discloses a rotation hand wheel drives the lead screw and rotates, drives the connecting block through the lead screw and rises or descend to can highly adjust the arrester, and then make this lightning protection device can adjust the lightning protection scope of arrester according to actual conditions, fix the ratchet through setting up the gag lever post.
Description
Technical Field
The utility model relates to a lightning protection device specifically is a direct current drive switch board lightning protection device.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment.
The switch board can lead to its inside electrical components to take place to damage if receive the thunderbolt in outdoor use to influence electrical components's use, consequently, the switch board need install lightning protection device in the use and carry out the lightning protection, and in some special places, need highly adjusting of arrester on the lightning protection device, thereby make it reach reasonable lightning-arrest scope, nevertheless current lightning protection device highly be mostly fixed, can not adjust the height of arrester according to actual conditions. Therefore, the direct current transmission control cabinet lightning protection device is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a lightning protection device of a direct current transmission control cabinet, which comprises a supporting tube and a direct current transmission control cabinet body, wherein a protective box is fixedly arranged at the end of the supporting tube, a lead screw is arranged inside the supporting tube, the top end of the lead screw penetrates through the protective box and extends to the outside of the top end of the protective box, and is fixedly connected with a hand wheel for rotating the lead screw, a ratchet wheel positioned inside the protective box is fixedly arranged on the outer surface of the lead screw, a fixing mechanism for fixing the lead screw is arranged on the inner wall on the right side of the protective box, the fixing mechanism consists of a limiting rod, a handle, a limiting block and a spring, the limiting block is fixedly arranged on the outer surface of the limiting rod, the spring is arranged on the outer surface of the limiting rod, the outer surface of the lead screw is in threaded connection with a connecting block, the left end of the connecting block extends, lightning protection mechanism comprises bracing piece and arrester, the bottom and the connecting block fixed connection of bracing piece right flank, arrester fixed mounting is on the top of bracing piece, the arrester links to each other with external downlead, external downlead links to each other with external ground connection module, the surface of stay tube is provided with the three reinforcing mechanism who is used for consolidating the stay tube, reinforcing mechanism comprises anchor strut and connecting seat.
As a preferred technical scheme of the utility model, the spring is located between stopper and the protective housing, and the both ends of spring respectively with the inner wall fixed connection of stopper and protective housing.
As an optimal technical scheme of the utility model, the one end of gag lever post and the tooth joint of ratchet, the other end of gag lever post runs through the protective housing and extends to the outside on protective housing right side and with handle fixed connection.
As an optimal technical scheme of the utility model, the spout has been seted up to the left surface of stay tube, the size of spout and the big or small looks adaptation of connecting block.
As an optimal technical scheme of the utility model, the junction of connecting block and lead screw is provided with helicitic texture, the screw thread of connecting block and the screw thread looks adaptation of lead screw.
As a preferred technical scheme of the utility model, the one end of anchor strut and the top fixed connection of direct current drive switch board body, the other end of anchor strut is articulated with the connecting seat, the anchor strut is connected with the fixed surface of stay tube.
The utility model has the advantages that: this kind of direct current drive switch board lightning protection device, it rotates to drive the lead screw through rotating the hand wheel, it rises or descends to drive the connecting block through the lead screw, thereby can highly adjusting of arrester, and then make this lightning protection device can adjust the lightning protection scope of arrester according to actual conditions, fix the ratchet through setting up the gag lever post, can prevent that the position of connecting block from taking place the skew in the use, can increase the intensity of stay tube through setting up anchor strut and connecting seat, and then improve this lightning protection device's life.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a lightning protection device of a dc transmission control cabinet of the present invention;
fig. 2 is a schematic diagram of a right-view structure of a lightning protection device of a dc transmission control cabinet of the present invention;
fig. 3 is a schematic structural view of a ratchet wheel of the lightning protection device of the dc transmission control cabinet of the present invention;
fig. 4 is an enlarged schematic structural diagram of a point a of the lightning protection device of the dc transmission control cabinet of the present invention.
In the figure: 1. supporting a tube; 2. a DC transmission control cabinet body; 3. a screw rod; 4. a protective box; 5. a hand wheel; 6. a ratchet wheel; 7. a limiting rod; 8. a handle; 9. a limiting block; 10. a spring; 11. connecting blocks; 12. a support bar; 13. a lightning receptor; 14. a reinforcing rod; 15. a connecting seat.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1, 2, 3 and 4, the utility model relates to a lightning protection device of a direct current transmission control cabinet, which comprises a supporting tube 1 and a direct current transmission control cabinet body 2, a protective box 4 is fixedly installed at the end of the supporting tube 1, a screw rod 3 is arranged inside the supporting tube 1, the top end of the screw rod 3 penetrates through the protective box 4 and extends to the outside of the top end of the protective box 4, and is fixedly connected with a hand wheel 5 for rotating the screw rod 3, a ratchet 6 positioned inside the protective box 4 is fixedly arranged on the outer surface of the screw rod 3, a fixing mechanism for fixing the screw rod 3 is arranged on the inner wall on the right side of the protective box 4, the fixing mechanism is composed of a limiting rod 7, a handle 8, a limiting block 9 and a spring 10, the limiting block 9 is fixedly installed on the outer surface of the limiting rod 7, the spring 10 is arranged on the outer surface of the limiting rod 7, a connecting block 11 is connected with the outer surface thread, lightning protection mechanism comprises bracing piece 12 and arrester 13, the bottom and the 11 fixed connection of connecting block of bracing piece 12 right flank, arrester 13 fixed mounting is on the top of bracing piece 12, arrester 13 links to each other with external downlead, external downlead links to each other with external ground connection module, arrester 13 attracts thundercloud, thereby make the thundercloud discharge to it, rethread ground connection downlead and ground connection module introduce the ground with the lightning current, thereby prevent that direct current transmission switch board body 2 from receiving the thunderbolt, the surface of stay tube 1 is provided with three strengthening mechanism who is used for consolidating stay tube 1.
The spring 10 is located between the limiting block 9 and the protection box 4, two ends of the spring 10 are fixedly connected with the limiting block 9 and the inner wall of the protection box 4 respectively, the elasticity of the spring 10 is large enough to support the connection between the limiting rod 7 and the ratchet wheel 6, and therefore the limiting rod 7 is prevented from being separated from the ratchet wheel 6 when a hand does not pull the handle 8 in the using process.
Wherein, the one end of gag lever post 7 and the tooth joint of ratchet 6, the other end of gag lever post 7 run through protective housing 4 and extend to the outside on protective housing 4 right side and with handle 8 fixed connection, fix ratchet 6 through setting up gag lever post 7, can prevent that the position of connecting block 11 from taking place the skew in the use.
Wherein, the spout has been seted up to the left surface of stay tube 1, the size of spout and the big or small looks adaptation of connecting block 11, the spout not only can prevent that stay tube 1 from hindering connecting block 11 to rise or descend, connecting block 11 rotates along with lead screw 3 when can also preventing lead screw 3 from rotating.
Wherein, the junction of connecting block 11 and lead screw 3 is provided with helicitic texture, and the helicitic texture that sets up through connecting block 11 and lead screw 3 mutually supporting is equipped with the screw thread looks adaptation of screw thread and lead screw 3, and when can making lead screw 3 rotate, connecting block 11 upwards or moves down, and then drives bracing piece 12 and arrester 13 through connecting block 11 and rise or descend to accomplish the regulation of arrester 13 height.
Wherein, the strengthening mechanism comprises strengthening rod 14 and connecting seat 15, the top fixed connection of the one end of strengthening rod 14 and DC drive control cabinet body 2, the other end of strengthening rod 14 is articulated with connecting seat 15, and strengthening rod 14 is connected with the external surface fixed of stay tube 1, can increase the intensity of stay tube 1 through setting up strengthening rod 14 and connecting seat 15, and then improves this lightning protection device's life.
When the lightning arrester works, when thundercloud discharges and is close to the ground, a ground electric field can be distorted, a space with concentrated local electric field is formed at the top end of the lightning arrester 13 to influence the development direction of lightning leading discharge, lightning is guided to discharge to the lightning arrester 13, then lightning current is led into the ground through the grounding down lead and the grounding module, so that the direct current transmission control cabinet body 2 is prevented from being struck by lightning, when the height of the lightning arrester 13 needs to be adjusted, the handle 8 can be firstly pulled outwards to separate the limiting rod 7 from the ratchet wheel 6, then the hand wheel 5 is rotated, the lead screw 3 is driven to rotate through the hand wheel 5, the connecting block 11 is driven to ascend or descend through the lead screw 3, so that the position of the lightning arrester 13 is adjusted according to the reality, the handle 8 is loosened after adjustment is finished, and at the moment, the acting force of the spring 10 pushes the limiting block 9 and the limiting rod 7 to move, so that, fix ratchet 6 through gag lever post 7 to prevent that the position of lead screw 3 from taking place the skew in the use, and strengthen pole 14 and connecting seat 15 and can increase the intensity of stay tube 1 in the use, and then improve this lightning protection device's life.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A lightning protection device of a direct-current transmission control cabinet comprises a supporting tube (1) and a direct-current transmission control cabinet body (2), and is characterized in that a protective box (4) is fixedly installed at the end of the supporting tube (1), a lead screw (3) is arranged inside the supporting tube (1), the top end of the lead screw (3) penetrates through the protective box (4) and extends to the outside of the top end of the protective box (4), a hand wheel (5) used for rotating the lead screw (3) is fixedly connected with the top end of the protective box, a ratchet wheel (6) located inside the protective box (4) is fixedly arranged on the outer surface of the lead screw (3), a fixing mechanism used for fixing the lead screw (3) is arranged on the inner wall on the right side of the protective box (4), the fixing mechanism is composed of a limiting rod (7), a handle (8), a limiting block (9) and a spring (10), and the limiting block (9) is, spring (10) sets up the surface at gag lever post (7), the surface threaded connection of lead screw (3) has connecting block (11), the left end of connecting block (11) extends to the lightning protection mechanism that left outside and fixedly connected with of stay tube (1) are used for the lightning protection, lightning protection mechanism comprises bracing piece (12) and arrester (13), the bottom and connecting block (11) fixed connection of bracing piece (12) right flank, arrester (13) fixed mounting is on the top of bracing piece (12), arrester (13) link to each other with external downlead, external downlead links to each other with external ground connection module, the surface of stay tube (1) is provided with the three reinforcement mechanism that is used for consolidating stay tube (1), reinforcement mechanism comprises anchor strut (14) and connecting seat (15).
2. The lightning protection device for the direct current transmission control cabinet according to claim 1, wherein the spring (10) is located between the limiting block (9) and the protection box (4), and two ends of the spring (10) are respectively fixedly connected with the limiting block (9) and the inner wall of the protection box (4).
3. The lightning protection device for the direct current transmission control cabinet according to claim 1, wherein one end of the limiting rod (7) is clamped with teeth of the ratchet wheel (6), and the other end of the limiting rod (7) penetrates through the protection box (4), extends to the outside of the right side of the protection box (4) and is fixedly connected with the handle (8).
4. The lightning protection device for the direct current transmission control cabinet according to claim 1, wherein a sliding groove is formed in the left side surface of the support tube (1), and the size of the sliding groove is matched with that of the connecting block (11).
5. The lightning protection device for the DC transmission control cabinet according to claim 1, wherein a threaded structure is arranged at the joint of the connecting block (11) and the screw rod (3), and the thread of the connecting block (11) is matched with the thread of the screw rod (3).
6. The lightning protection device for the DC transmission control cabinet according to claim 1, wherein one end of the reinforcing rod (14) is fixedly connected with the top of the DC transmission control cabinet body (2), the other end of the reinforcing rod (14) is hinged with the connecting seat (15), and the reinforcing rod (14) is fixedly connected with the outer surface of the supporting tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920942945.3U CN209881405U (en) | 2019-06-21 | 2019-06-21 | Lightning protection device of direct current transmission control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920942945.3U CN209881405U (en) | 2019-06-21 | 2019-06-21 | Lightning protection device of direct current transmission control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881405U true CN209881405U (en) | 2019-12-31 |
Family
ID=68948558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920942945.3U Expired - Fee Related CN209881405U (en) | 2019-06-21 | 2019-06-21 | Lightning protection device of direct current transmission control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881405U (en) |
-
2019
- 2019-06-21 CN CN201920942945.3U patent/CN209881405U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210621 |