CN215989694U - Maintenance-free direct current screen - Google Patents
Maintenance-free direct current screen Download PDFInfo
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- CN215989694U CN215989694U CN202122210520.3U CN202122210520U CN215989694U CN 215989694 U CN215989694 U CN 215989694U CN 202122210520 U CN202122210520 U CN 202122210520U CN 215989694 U CN215989694 U CN 215989694U
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- sliding
- base
- universal wheel
- direct current
- maintenance
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Abstract
The utility model relates to a maintenance-free direct current screen, which comprises a direct current screen; the base is fixedly arranged at the lower end of the direct current screen, and a cavity is formed in the base; the moving mechanism is positioned in the cavity; the universal wheel is positioned below the moving mechanism; four through holes are arranged, the through holes are penetratingly arranged at four corners of the lower end of the base, and annular grooves formed by annular through holes are formed in the through holes; the sliding plate is connected in the through hole in a sliding manner through the annular groove, and an opening for clamping the universal wheel is formed in the sliding plate; after the direct current screen finishes moving, the moving mechanism pushes the universal wheel to drive the sliding plate to extend out of the annular groove to seal the through hole. The utility model has the beneficial effects that: the invasion of the outside moisture of separation that can be better, sealed effectual.
Description
Technical Field
The utility model relates to the technical field of direct current screens, in particular to a maintenance-free direct current 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.
The utility model discloses a No. CN211655450U discloses an intelligence non-maintaining direct current screen, through the connecting cylinder that is equipped with, when needs move the direct current screen, with the connecting block of fixed connection and connecting cylinder correspondence joint on the outside motor active cell, starter motor, the motor drives the connecting cylinder and rotates, and then make second screw rod and first screw rod rotate, utilize the threaded connection effect of first screw rod and second screw rod and removal spiro ring to make the removal spiro ring promote the push-pull rod to remove, and then the jacking falls the board, make universal gyro wheel stretch out the removal that the direct current screen can be convenient for outside the cavity base through the opening, and is easy and simple to handle, and convenient to use, but its through-hole that stretches out the universal wheel does not do any sealed measure, if the ground is moist when putting at ordinary times, the aqueous vapor gets into inside the base from the through-hole easily, lead to each exposed position rusty easily, influence life.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a maintenance-free direct current screen to solve the problems.
The technical scheme of the utility model is realized as follows: a maintenance-free DC screen comprises
A direct current screen;
the base is fixedly arranged at the lower end of the direct current screen, and a cavity is formed in the base;
the method comprises the following steps:
the moving mechanism is positioned in the cavity;
the universal wheel is positioned below the moving mechanism;
four through holes are arranged, the through holes are penetratingly arranged at four corners of the lower end of the base, and annular grooves formed by annular through holes are formed in the through holes;
the sliding plate is connected in the through hole in a sliding manner through the annular groove, and an opening for clamping the universal wheel is formed in the sliding plate;
after the direct current screen finishes moving, the moving mechanism pushes the universal wheel to drive the sliding plate to extend out of the annular groove to seal the through hole.
Through adopting above-mentioned technical scheme, when the direct current screen removed to the position that needs placed, moving mechanism drove the universal wheel and promotes the slide and seal the through-hole, and the outside moisture of separation invades, and the leakproofness is good.
The utility model is further arranged such that the moving mechanism comprises:
the screw rod penetrates through one side of the base and extends into the cavity, the threads on the left side and the right side of the screw rod are opposite, and two screw rods are arranged;
the threaded sliding block comprises a first threaded sliding block and a second threaded sliding block, the first threaded sliding block is in threaded connection with one side of the screw, and the second threaded sliding block is symmetrically arranged on the other side of the screw relative to the first threaded sliding block;
the moving plate is positioned below the screw rod, and through grooves are formed in four corners of the upper end of the moving plate;
the sliding rod is fixedly arranged in the through groove, and the length direction of the sliding rod is parallel to the length direction of the moving plate;
the push rod is rotationally connected between the sleeve and the threaded sliding block;
the sleeve is connected to the sliding rod in a sliding mode, and the lower end of the sleeve is fixedly connected with the universal wheel.
Through adopting above-mentioned scheme, under the circumstances of screw rod corotation, first screw thread slider and second screw thread slider relative movement promote the sleeve through the push rod and drive the universal wheel and remove to the through-hole top for in pushing the slide to the annular, the through-hole is stretched out through the opening to the universal wheel afterwards, under the circumstances of screw rod reversal, rises through screw thread slider drive universal wheel, and promotes the slide and seal the through-hole, convenient and fast, and practical effect is good.
The utility model is further arranged such that the slide comprises:
a long plate portion;
the short plate part is L-shaped and is integrally formed in the middle of the upper end of the long plate part;
wherein, long plate portion sliding connection is in the annular, and the opening runs through to long plate portion lower extreme face setting by short plate portion up end, and the diameter of opening is greater than the diameter of universal wheel.
Through adopting above-mentioned technical scheme, the universal wheel drives the slide through promoting short plate portion and removes, short plate portion and long plate portion integrated into one piece, sound construction, non-deformable.
The utility model is further arranged such that the slide comprises:
and the antirust coating is uniformly coated on the outer side of the sliding plate.
Through adopting above-mentioned technical scheme, improve the antirust property of slide, improved the life of slide.
The utility model is further configured such that the slide further comprises:
the rubber layer is adhered to the inner side wall of the opening.
Through adopting above-mentioned technical scheme, through setting up the rubber layer and preventing wearing and tearing slide when the universal wheel removes, further improve the life of slide.
The utility model is further configured such that the base comprises:
the accommodating groove penetrates through one side wall of the base;
the transparent window is embedded in the accommodating groove.
Through adopting above-mentioned technical scheme, be convenient for observe the inside part of base to in time maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a partially enlarged view of an embodiment A of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in FIGS. 1 to 2, the utility model discloses a maintenance-free DC screen, which comprises
A direct current screen 1;
the base 2 is fixedly arranged at the lower end of the direct current screen 1, and a cavity 21 is formed in the base 2;
the method comprises the following steps:
the moving mechanism is positioned in the cavity 21;
the universal wheel 6 is positioned below the moving mechanism;
the number of the through holes 22 is four, the through holes 22 are arranged at four corners of the lower end of the base 2 in a penetrating manner, and annular grooves 7 arranged on the annular through holes 22 are arranged in the through holes 22;
the sliding plate 8 is connected in the through hole 22 in a sliding manner through the annular groove 7, and the sliding plate 8 is provided with an opening 83 for clamping the universal wheel 6;
after the direct current screen 1 finishes moving, the moving mechanism pushes the universal wheel 6 to drive the push sliding plate 8 to extend out of the annular groove 7 to seal the through hole 22.
Through adopting above-mentioned technical scheme, when the direct current screen removed to the position that needs placed, moving mechanism drove the universal wheel and promotes the slide and seal the through-hole, and the outside moisture of separation invades, and the leakproofness is good.
The utility model is further arranged such that the moving mechanism comprises:
the screw rod 3 penetrates through one side of the base 2 and extends into the cavity 21, threads on the left side and the right side of the screw rod 3 are opposite, and two screw rods 3 are arranged;
the threaded sliding block comprises a first threaded sliding block 4 and a second threaded sliding block 5, the first threaded sliding block 4 is in threaded connection with one side of the screw rod 3, and the second threaded sliding block 5 is symmetrically arranged on the other side of the screw rod 3 relative to the first threaded sliding block 4;
the moving plate 50 is positioned below the screw rod 3, and the four corners of the upper end of the moving plate 50 are provided with through grooves 51;
a sliding rod 52, wherein the sliding rod 52 is fixedly arranged in the through groove 51, and the length direction of the sliding rod 52 is parallel to the length direction of the moving plate 50;
the push rod 62 is rotatably connected between the sleeve 61 and the threaded sliding block;
and the sleeve 61, the sleeve 61 is connected to the sliding rod 52 in a sliding manner, and the lower end of the sleeve 61 is fixedly connected with the universal wheel 6.
Through adopting above-mentioned scheme, under the circumstances of screw rod corotation, first screw thread slider and second screw thread slider relative movement promote the sleeve through the push rod and drive the universal wheel and remove to the through-hole top for in pushing the slide to the annular, the through-hole is stretched out through the opening to the universal wheel afterwards, under the circumstances of screw rod reversal, rises through screw thread slider drive universal wheel, and promotes the slide and seal the through-hole, convenient and fast, and practical effect is good.
In a further embodiment of the utility model, the slide 8 comprises:
a long plate portion 81;
a short plate part 82, wherein the short plate part 82 is L-shaped and is integrally formed in the middle of the upper end of the long plate part 81;
the long plate 81 is slidably connected to the annular groove 7, the opening 83 is formed by penetrating the upper end surface of the short plate 82 to the lower end surface of the long plate 81, and the diameter of the opening 83 is larger than that of the universal wheel 6.
Through adopting above-mentioned technical scheme, the universal wheel drives the slide through promoting short plate portion and removes, short plate portion and long plate portion integrated into one piece, sound construction, non-deformable.
In a further embodiment of the utility model, the slide 8 comprises:
and the antirust coating is uniformly coated on the outer side of the sliding plate 8.
Through adopting above-mentioned technical scheme, improve the antirust property of slide, improved the life of slide.
In a further embodiment of the utility model, the slide 8 further comprises:
the rubber layer 9, the rubber layer 9 is pasted on the inside wall of the opening 83.
Through adopting above-mentioned technical scheme, through setting up the rubber layer and preventing wearing and tearing slide when the universal wheel removes, further improve the life of slide.
In a further embodiment of the utility model, the base 2 comprises:
the accommodating groove 10 is formed in a manner that the accommodating groove 10 penetrates through one side wall of the base 2;
Through adopting above-mentioned technical scheme, be convenient for observe the inside part of base to in time maintain.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A maintenance-free DC screen comprises
A DC screen (1);
the base (2), the base (2) is fixedly installed at the lower end of the direct current screen (1), and a cavity (21) is formed in the base (2);
it is characterized by comprising:
the moving mechanism is positioned in the cavity (21);
the universal wheel (6), the universal wheel (6) is located below the moving mechanism;
four through holes (22), wherein the through holes (22) are arranged, the through holes (22) are arranged at the four corners of the lower end of the base (2) in a penetrating manner, and a ring groove (7) arranged on the ring through holes (22) is arranged in each through hole (22);
the sliding plate (8), the sliding plate (8) is connected in the through hole (22) in a sliding way through the ring groove (7), and the sliding plate (8) is provided with an opening (83) for clamping the universal wheel (6);
after the direct current screen (1) finishes moving, the moving mechanism pushes the universal wheels (6) to drive the push sliding plates (8) to extend out of the annular grooves (7) to seal the through holes (22).
2. A maintenance-free DC screen according to claim 1,
the moving mechanism includes:
the screw rods (3) penetrate through one side of the base (2) and extend into the cavity (21), threads on the left side and the right side of each screw rod (3) are opposite, and two screw rods (3) are arranged;
the threaded sliding block comprises a first threaded sliding block (4) and a second threaded sliding block (5), the first threaded sliding block (4) is in threaded connection with one side of the screw rod (3), and the second threaded sliding block (5) is symmetrically arranged on the other side of the screw rod (3) relative to the first threaded sliding block (4);
the moving plate (50), the moving plate (50) is located below the screw (3), and through grooves (51) are formed in the four corners of the upper end of the moving plate (50);
the sliding rod (52), the sliding rod (52) is fixedly installed in the through groove (51), and the length direction of the sliding rod (52) is parallel to the length direction of the moving plate (50);
the push rod (62), the push rod (62) is connected between the sleeve (61) and the threaded slider in a rotating mode;
the sleeve (61), sleeve (61) sliding connection is on slide bar (52), and sleeve (61) lower extreme and universal wheel (6) fixed connection.
3. A maintenance-free dc screen according to claim 1, characterized in that the slide (8) comprises:
a long plate (81);
a short plate part (82), wherein the short plate part (82) is L-shaped and is integrally formed in the middle of the upper end of the long plate part (81);
the long plate part (81) is connected in the annular groove (7) in a sliding mode, the opening (83) penetrates from the upper end face of the short plate part (82) to the lower end face of the long plate part (81), and the diameter of the opening (83) is larger than that of the universal wheel (6).
4. A maintenance-free dc screen according to claim 1, characterized in that the slide (8) comprises:
the antirust coating is uniformly coated on the outer side of the sliding plate (8).
5. A maintenance-free dc screen according to claim 2, wherein the slide (8) further comprises:
the rubber layer (9), the rubber layer (9) glues and locates on the opening (83) inside wall.
6. A maintenance-free dc screen according to claim 1, wherein the base (2) comprises:
the accommodating groove (10), the accommodating groove (10) runs through one side wall of the base (2);
the transparent window (11), transparent window (11) are inlayed and are located in holding tank (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122210520.3U CN215989694U (en) | 2021-09-13 | 2021-09-13 | Maintenance-free direct current screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122210520.3U CN215989694U (en) | 2021-09-13 | 2021-09-13 | Maintenance-free direct current screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989694U true CN215989694U (en) | 2022-03-08 |
Family
ID=80465746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122210520.3U Active CN215989694U (en) | 2021-09-13 | 2021-09-13 | Maintenance-free direct current screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215989694U (en) |
-
2021
- 2021-09-13 CN CN202122210520.3U patent/CN215989694U/en active Active
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