CN211655450U - Intelligent maintenance-free direct-current power supply screen - Google Patents
Intelligent maintenance-free direct-current power supply screen Download PDFInfo
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- CN211655450U CN211655450U CN201922179242.2U CN201922179242U CN211655450U CN 211655450 U CN211655450 U CN 211655450U CN 201922179242 U CN201922179242 U CN 201922179242U CN 211655450 U CN211655450 U CN 211655450U
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- rod
- screw
- power supply
- fixedly connected
- screen
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Abstract
The utility model relates to a DC power supply screen technical field, and an intelligence non-maintaining DC power supply screen is disclosed, including the DC screen, the lower extreme fixedly connected with cavity base of DC screen, cavity base is close to the upper end and rotates respectively to be connected with first screw rod and second screw rod about relative one side inner wall, first screw rod and second screw rod one end welding in opposite directions are in the same place and the screw thread of both rod walls is for mutual reverse screw thread, the equal threaded connection of rod wall of first screw rod and second screw rod has the removal spiro, the lower extreme of removing the spiro rotates and is connected with the push-and-pull rod, the lower extreme of two push-and-pull rods rotates and is connected with same lifter plate, the bottom four corners department of lifter plate all is through the same universal gyro wheel of a plurality of buffer spring. The utility model discloses the removal of the direct current of being convenient for screen can be so that the firm connection of a plurality of direct current screens is in the same place.
Description
Technical Field
The utility model relates to a DC power supply screen technical field especially relates to an intelligence non-maintaining DC power supply screen.
Background
The direct current screen is short for a direct current operation power supply system. The general name is an intelligent maintenance-free direct current power supply screen, which is called a direct current screen for short, the electric power operation power supplies in power plants and transformer substations are all direct current power supplies nowadays, the direct current power supplies provide power supplies for control loads, power loads, direct current accident lighting loads and the like, and the direct current power supply screen is the basis for control and protection of modern power systems. The direct current screen comprises mating electricity unit, the modular unit that charges, step-down silicon chain unit, direct current feed unit, distribution monitoring unit, monitoring module unit and insulating monitoring unit. The direct current protection switch is mainly applied to small and medium power plants, hydropower stations, various transformer substations and other users (such as petrifaction, mines, railways and the like) using direct current equipment in an electric power system, and is suitable for occasions such as instruments, relay protection, fault illumination and the like in switch opening and closing and secondary circuits.
Direct current screen form on the existing market is fixed, is not convenient for remove the transportation, often need start the travelling bogie when the put position of needs adjustment direct current screen carries, operates comparatively inconvenient, and does not have relatively stable coupling mechanism when a plurality of direct current screens are placed, causes the structure unstability, is not convenient for put in the actual use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art direct current screen form on the market fixed, be not convenient for remove the transportation, often need start the travelling bogie when the put position of needs adjustment direct current screen carries, the operation comparatively inconvenient, and does not have the coupling mechanism of relatively stable when a plurality of direct current screens are placed, cause the structure unstability, the problem of putting the use in the actual of not being convenient for, and the intelligent non-maintaining direct current power supply screen that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent maintenance-free direct current power supply screen comprises a direct current screen, wherein the lower end of the direct current screen is fixedly connected with a hollow base, the inner wall of the left side and the right side of the hollow base, which are opposite to each other and are close to the upper end, are respectively and rotatably connected with a first screw rod and a second screw rod, the opposite ends of the first screw rod and the second screw rod are welded together, the threads of the rod walls of the first screw rod and the second screw rod are mutually reverse threads, the rod walls of the first screw rod and the second screw rod are both in threaded connection with a movable spiral ring, the lower end of the movable spiral ring is rotatably connected with a push-pull rod, the lower ends of the two push-pull rods are rotatably connected with a same lifting plate, the four corners at the bottom of the lifting plate are fixedly connected with a same universal roller through a plurality of buffer springs, the right end of the second screw rod penetrates, the left end front side of direct current screen is connected with a plurality of first connecting plates that set up from top to bottom through the even rotation of pivot, the right-hand member front side of direct current screen is connected with a plurality of second connecting plates that set up from top to bottom through the even rotation of pivot, the fixed surface of second connecting plate is connected with the wedge, the dovetail of matcing the joint with the wedge is seted up to the lower extreme of first connecting plate.
Preferably, the inner wall of one side opposite from top to bottom of the hollow base is symmetrically and fixedly connected with two guide posts, and the surface of the lifting plate is provided with guide holes movably sleeved with the guide posts.
Preferably, the lower end of the hollow base is provided with a through hole for the universal roller to extend out.
Preferably, two limit telescopic rods are symmetrically and fixedly connected between the upper end of the universal roller and the lower end of the lifting plate.
Preferably, the limiting mechanism comprises a cross rod which is connected to the outer wall of the hollow base in a rotating mode through a rotating shaft, a limiting rod is movably inserted into the surface of the cross rod, a limiting hole which is correspondingly inserted into the limiting rod is formed in the rod wall of the second screw rod, a pulling plate is fixedly connected to the upper end of the limiting rod, and a limiting spring which is sleeved outside the limiting rod is fixedly connected between the pulling plate and the side wall of the opposite side of the cross rod.
Preferably, the upper end of the movable spiral ring is fixedly connected with a limiting sliding block, and the inner wall of the top of the hollow base is provided with a limiting sliding groove matched with the limiting sliding block in a sliding connection mode.
Preferably, the inner wall of the connecting cylinder is a polygonal structure.
Preferably, the surface of the first connecting plate is fixedly connected with a fixing plate through two hexagon bolts which are symmetrically arranged, one side of the fixing plate, which is close to the first connecting plate, is uniformly and fixedly connected with a plurality of fixing rods, and fixing holes which are correspondingly spliced with the fixing rods are formed in the surface of the wedge-shaped block.
Preferably, the bottom of the hollow base is fixedly connected with a layer of anti-skid and wear-resistant rubber pad.
Compared with the prior art, the utility model provides an intelligence non-maintaining DC power supply screen possesses following beneficial effect:
1. this intelligence non-maintaining DC power supply screen, through the connecting cylinder that is equipped with, when needs move the DC screen, with the connecting block of fixed connection and the connecting cylinder correspondence joint on the external motor active cell, the starter motor, the motor drives the connecting cylinder and rotates, and then make second screw rod and first screw rod rotate, utilize first screw rod and second screw rod and the screw connection effect of removing the spiro to make and remove the spiro and promote the push-pull rod and remove, and then the lower jacking falls the board, make universal gyro wheel stretch out the removal that the hollow base can be convenient for the DC screen outside through the opening, and is simple and convenient to operate, and convenient to use.
2. This intelligence non-maintaining DC power supply screen, through the limiting mechanism who is equipped with, after the position of adjusting universal gyro wheel, rotate the horizontal pole and make the restriction lever remove to restriction hole department, the pull plate is drawn down to the restriction spring for the firm grafting of restriction lever can realize in the restriction hole that stabilizes to second screw rod and first screw rod spacing, has improved the structure steadiness.
3. This intelligence non-maintaining DC power supply screen, through first connecting plate and the second connecting plate that is equipped with, when connecting a plurality of DC screens, utilize the matching joint effect of wedge and dovetail to make first connecting plate and second connecting plate link together relatively, inject the dead lever in the fixed orifices again, make the fixed plate fix in the first connecting plate outside, stabilize fixedly can make the firm connection of a plurality of DC screens together through the hex bolts to the fixed plate, and is easy and simple to handle, convenient to use.
And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the removal of the direct current screen of being convenient for can be so that the firm connection of a plurality of direct current screens is in the same place.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent maintenance-free dc power supply panel provided by the present invention;
fig. 2 is a schematic structural diagram of the connection between the first connecting plate and the second connecting plate of the intelligent maintenance-free dc power supply panel provided by the present invention;
fig. 3 is a schematic structural diagram of a part a of an intelligent maintenance-free dc power supply panel according to the present invention;
fig. 4 is the utility model provides a structural schematic diagram of a B part of intelligent maintenance-free direct current power supply screen.
In the figure: the device comprises a direct current screen 1, a hollow base 2, a first screw rod 3, a second screw rod 4, a movable spiral ring 5, a push-pull rod 6, a lifting plate 7, a buffer spring 8, a universal roller 9, a connecting cylinder 10, a limiting mechanism 11, a cross rod 111, a limiting rod 112, a limiting hole 113, a pulling plate 114, a limiting spring 115, a first connecting plate 12, a second connecting plate 13, a wedge block 14, a dovetail groove 15, a guide column 16, a through hole 17, a fixing plate 18, a fixing rod 19 and a fixing hole 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of 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 therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, an intelligent maintenance-free direct current power supply screen comprises a direct current screen 1, wherein the lower end of the direct current screen 1 is fixedly connected with a hollow base 2, the inner wall of the left and right opposite sides of the upper end of the hollow base 2 is respectively and rotatably connected with a first screw 3 and a second screw 4, the opposite ends of the first screw 3 and the second screw 4 are welded together, the screw threads of the rod walls of the first screw 3 and the second screw 4 are reverse screw threads, the rod walls of the first screw 3 and the second screw 4 are both in screw thread connection with a movable spiral ring 5, the lower end of the movable spiral ring 5 is rotatably connected with a push-pull rod 6, the lower ends of the two push-pull rods 6 are rotatably connected with a same lifting plate 7, the four corners at the bottom of the lifting plate 7 are both fixedly connected with a same universal roller 9 through a plurality of buffer springs 8, the right end of the second screw 4 extends out of the hollow base 2 and is fixedly connected with a, the left end front side of direct current screen 1 is connected with a plurality of first connecting plates 12 that set up from top to bottom through the even rotation of pivot, and the right-hand member front side of direct current screen 1 is connected with a plurality of second connecting plates 13 that set up from top to bottom through the even rotation of pivot, and the fixed surface of second connecting plate 13 is connected with wedge 14, and the dovetail 15 that matches the joint with wedge 14 is seted up to the lower extreme of first connecting plate 12.
Two guide posts 16 are symmetrically and fixedly connected to the inner wall of the upper side and the lower side of the hollow base 2, and guide holes movably sleeved with the guide posts 16 are formed in the surface of the lifting plate 7.
The lower end of the hollow base 2 is provided with a through hole 17 for the universal idler wheel 9 to extend out.
Two limit telescopic rods are symmetrically and fixedly connected between the upper end of the universal roller 9 and the lower end of the lifting plate 7.
The limiting mechanism 11 comprises a cross rod 111 connected to the outer wall of the hollow base 2 in a rotating mode through a rotating shaft, a limiting rod 112 is movably inserted into the surface of the cross rod 111, a limiting hole 113 correspondingly inserted with the limiting rod 112 is formed in the rod wall of the second screw rod 4, a pulling plate 114 is fixedly connected to the upper end of the limiting rod 112, and a limiting spring 115 sleeved outside the limiting rod 112 is fixedly connected between the pulling plate 114 and the side wall of the cross rod 111 on the opposite side.
The upper end of the movable spiral ring 5 is fixedly connected with a limiting slide block, and the inner wall of the top of the hollow base 2 is provided with a limiting slide groove matched with the limiting slide block in a sliding connection mode.
The inner wall of the connecting cylinder 10 is formed in a polygonal structure.
The surface of the first connecting plate 12 is fixedly connected with a fixing plate 18 through two hexagon bolts which are symmetrically arranged, one side of the fixing plate 18, which is close to the first connecting plate 12, is uniformly and fixedly connected with a plurality of fixing rods 19, and the surface of the wedge block 14 is provided with fixing holes 20 which are correspondingly inserted with the fixing rods 19.
The bottom of the hollow base 2 is fixedly connected with a layer of anti-skid and wear-resistant rubber pad.
In the utility model, when in use, when the direct current screen 1 needs to be moved, the connecting cylinder 10 is arranged, the connecting block fixedly connected on the external motor rotor and correspondingly clamped with the connecting cylinder 10 is started, the motor drives the connecting cylinder 10 to rotate, so that the second screw rod 4 and the first screw rod 3 are rotated, the movable spiral ring 5 pushes the push-pull rod 6 to move by utilizing the threaded connection effect of the first screw rod 3, the second screw rod 4 and the movable spiral ring 5, and then the lifting plate 7 is pushed downwards, so that the universal roller 9 extends out of the hollow base 2 through the through hole 17 to facilitate the movement of the direct current screen 1, the operation is simple and convenient, the use is convenient, after the position of the universal roller 9 is adjusted, the transverse rod 111 is rotated to enable the limiting rod 112 to move to the limiting hole 113 through the limiting mechanism 11 arranged, the pull plate 114 is pulled downwards by the limiting spring 115, so that the limiting rod 112 is stably inserted in the limiting hole 113 to realize the stable limit of the second screw rod 4 and the first screw rod 3, improved the structure steadiness, through first connecting plate 12 and the second connecting plate 13 that is equipped with, when connecting a plurality of direct current screens 1, utilize the matching joint effect of wedge 14 and dovetail 15 to make first connecting plate and second connecting plate link together relatively, inject dead lever 19 into fixed orifices 20 again, make fixed plate 18 fix in the first connecting plate 12 outside, stabilize fixed plate 18 through hexagon bolt and fix and can make the firm connection of a plurality of direct current screens 1 together, and is easy and simple to handle, convenient to use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The intelligent maintenance-free direct-current power supply screen comprises a direct-current screen (1) and is characterized in that the lower end of the direct-current screen (1) is fixedly connected with a hollow base (2), the inner wall of the left side and the right side of the hollow base (2), which are close to the upper end, of the left side and the right side of the hollow base are respectively and rotatably connected with a first screw (3) and a second screw (4), the opposite ends of the first screw (3) and the second screw (4) are welded together, the threads of the rod walls of the first screw and the second screw are reverse threads, the rod walls of the first screw (3) and the second screw (4) are both in threaded connection with a movable spiral ring (5), the lower end of the movable spiral ring (5) is rotatably connected with a push-pull rod (6), the lower ends of the two push-pull rods (6) are rotatably connected with the same lifting plate (7), the four corners of the bottom of the lifting plate, the right-hand member of second screw rod (4) runs through and stretches out outer and fixedly connected with connecting cylinder (10) of cavity base (2), the outer wall connection of cavity base (2) has limiting mechanism (11) that are used for location restriction second screw rod (4), the left end front side of direct current screen (1) is connected with first connecting plate (12) that set up from top to bottom through the even rotation of pivot, the right-hand member front side of direct current screen (1) is connected with second connecting plate (13) that set up from top to bottom through the even rotation of pivot, the fixed surface of second connecting plate (13) is connected with wedge (14), dovetail (15) with wedge (14) matching joint are seted up to the lower extreme of first connecting plate (12).
2. The intelligent maintenance-free direct-current power supply screen is characterized in that two guide posts (16) are symmetrically and fixedly connected to the inner wall of one side, opposite to the upper side and the lower side, of the hollow base (2), and guide holes movably sleeved with the guide posts (16) are formed in the surface of the lifting plate (7).
3. The intelligent maintenance-free direct-current power supply screen according to claim 1, wherein a through opening (17) for the universal roller (9) to extend out is formed at the lower end of the hollow base (2).
4. The intelligent maintenance-free direct-current power supply screen according to claim 1, wherein two limiting telescopic rods are symmetrically and fixedly connected between the upper end of the universal roller (9) and the lower end of the lifting plate (7).
5. The intelligent maintenance-free direct-current power supply screen is characterized in that the limiting mechanism (11) comprises a cross rod (111) which is rotatably connected to the outer wall of the hollow base (2) through a rotating shaft, a limiting rod (112) is inserted into the surface of the cross rod (111), a limiting hole (113) which is correspondingly inserted with the limiting rod (112) is formed in the rod wall of the second screw (4), a pull plate (114) is fixedly connected to the upper end of the limiting rod (112), and a limiting spring (115) which is sleeved outside the limiting rod (112) is fixedly connected between the pull plate (114) and the lateral wall of one side of the cross rod (111) in the opposite direction.
6. The intelligent maintenance-free direct-current power supply screen according to claim 1, wherein a limiting slide block is fixedly connected to the upper end of the movable spiral ring (5), and a limiting slide groove matched with the limiting slide block in sliding connection is formed in the inner wall of the top of the hollow base (2).
7. An intelligent maintenance-free direct current power supply screen according to claim 1, wherein the inner wall of the connecting cylinder (10) is a polygonal structure.
8. The intelligent maintenance-free direct-current power supply screen as recited in claim 1, wherein a fixing plate (18) is fixedly connected to the surface of the first connecting plate (12) through two hexagon bolts which are symmetrically arranged, a plurality of fixing rods (19) are uniformly and fixedly connected to one side of the fixing plate (18) close to the first connecting plate (12), and fixing holes (20) which are correspondingly inserted into the fixing rods (19) are formed in the surface of the wedge-shaped block (14).
9. The intelligent maintenance-free direct-current power supply screen as claimed in claim 1, wherein a layer of anti-skid and wear-resistant rubber pad is fixedly connected to the bottom of the hollow base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179242.2U CN211655450U (en) | 2019-12-09 | 2019-12-09 | Intelligent maintenance-free direct-current power supply screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179242.2U CN211655450U (en) | 2019-12-09 | 2019-12-09 | Intelligent maintenance-free direct-current power supply screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211655450U true CN211655450U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922179242.2U Expired - Fee Related CN211655450U (en) | 2019-12-09 | 2019-12-09 | Intelligent maintenance-free direct-current power supply screen |
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| CN (1) | CN211655450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736720A (en) * | 2021-01-20 | 2021-04-30 | 靳玉蓉 | Supporting structure of power distribution cabinet |
| CN112968372A (en) * | 2021-03-10 | 2021-06-15 | 北京北龙源开关设备有限责任公司 | Power distribution cabinet installed in modularized mode |
-
2019
- 2019-12-09 CN CN201922179242.2U patent/CN211655450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736720A (en) * | 2021-01-20 | 2021-04-30 | 靳玉蓉 | Supporting structure of power distribution cabinet |
| CN112968372A (en) * | 2021-03-10 | 2021-06-15 | 北京北龙源开关设备有限责任公司 | Power distribution cabinet installed in modularized mode |
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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: 20201009 Termination date: 20211209 |