CN117479456B

CN117479456B - Filter wind-proof device with lifting function for high-voltage harmonic treatment

Info

Publication number: CN117479456B
Application number: CN202311826006.XA
Authority: CN
Inventors: 魏波
Original assignee: Jiangsu Jianli Electronic Technology Co ltd
Current assignee: Jiangsu Jianli Electronic Technology Co ltd
Priority date: 2023-12-28
Filing date: 2023-12-28
Publication date: 2024-03-08
Anticipated expiration: 2043-12-28
Also published as: CN117479456A

Abstract

The invention relates to the technical field of filter windbreak, in particular to a filter windbreak with lifting function for high-voltage harmonic treatment, which comprises a double-layer bracket, wherein a lifting frame is arranged right above a filter, an elastic windbreak is arranged on the lifting frame, the elastic windbreak comprises a rectangular rubber cover and four plastic connecting angles, each plastic connecting angle is provided with a plastic sleeve, a diagonal extension mechanism is arranged between the upper layer and the lower layer of the double-layer bracket, the diagonal extension mechanism comprises a driving mechanism and four sliding strips, each sliding strip is provided with an inserting column, an extension locking mechanism is arranged between the elastic windbreak and the lifting frame, and each extension locking mechanism comprises four retaining strips.

Description

Filter wind-proof device with lifting function for high-voltage harmonic treatment

Technical Field

The invention relates to the technical field of filter windproof, in particular to a filter windproof device with a lifting function for high-voltage harmonic treatment.

Background

The filter is a filter circuit composed of a capacitor, an inductor and a resistor. The filter can effectively filter frequency points with specific frequencies or frequencies outside the frequency points in the power line to obtain a power signal with specific frequencies, or eliminate the power signal with specific frequencies, and the filter can be influenced by external factors when in actual use, wherein strong wind can influence the filtering effect of the filter on the signals;

the prior China patent with publication number CN106335858B discloses a filter wind-proof device with lifting function for high-voltage harmonic treatment, but the prior China patent also has the following defects:

firstly, the lifting system of the device is too complex, and the device can be realized by only one lifting cylinder in actual use;

secondly, the windshield of the device needs to be positioned in the descending process, so that the filter can be covered by the windshield downwards, the positioning of the windshield is not mentioned in the patent, and when in actual use, the positioning of the windshield also needs to take a certain time, so that the effective working efficiency can be reduced.

Third, the structure of the wind shield of the device is certain, after the filters with different sizes are replaced subsequently, if the replaced filters are smaller, the wind shield can also cover the filters, but if the filters with larger sizes are replaced, the current wind shield cannot cover the filters, and at the moment, the wind shields need to be replaced synchronously, so that the cost is further increased, and a certain time is also required for replacing the wind shields.

Disclosure of Invention

In view of the above, it is necessary to provide a filter wind prevention device with a lifting function for high-voltage harmonic treatment.

In order to solve the problems in the prior art, the invention adopts the following technical scheme: the utility model provides a high-voltage harmonic handles with filter wind-proof device that has lifting function, including double-deck bracket, the upper strata that double-deck bracket was located to the filter is fixed, be equipped with the crane directly over the filter, be equipped with the elasticity wind-proof cover on the crane, elasticity wind-proof cover includes rectangular rubber cover and four plastic connecting angles, the lower extreme of rectangular rubber cover is open structure, four plastic connecting angles locate respectively on four terminal angles of rectangular rubber cover, all be equipped with the plastic cover that is vertical on every plastic connecting angle, be equipped with diagonal extension mechanism between the upper strata and the lower floor of double-deck bracket, diagonal extension mechanism includes actuating mechanism and four slide bars with double-deck bracket sliding connection, four slide bars are two in groups and every group slide bar all slide along the diagonal direction that the filter corresponds, all be equipped with an vertical post of inserting upwards passing double-deck bracket on every slide bar, after the crane drives the elasticity wind-proof cover decline, every post all upwards inserts in the plastic cover that corresponds, actuating mechanism stretches out in step-by step with four slide bars, thereby realize rectangle rubber cover, elastic wind-proof cover and each slide bar is equipped with locking mechanism and is all connected by the equal to be used for supporting with the rectangle rubber bar corresponding to each slide bar when extending the rectangle bar is all along the corresponding to the rectangle bar, each locking mechanism is extended, and is all the corresponding to the rectangle bar is extended to the four extension state.

Further, double-deck bracket includes upper and lower interval distribution and all is horizontally roof and bottom plate, link to each other through a plurality of stand that is the matrix distribution between roof and the bottom plate, the fixed four bar slide that is equipped with in bottom of roof, the length direction of a four bar slide two by two and a group bar slide all parallels with the diagonal direction that the wave filter corresponds, four slides slide respectively in a four bar slide, the one side that a bar slide links to each other with the roof is open structure, four bar logical grooves that correspond with the slide have been seted up on the roof, every inserted post all upwards passes the bar logical groove that corresponds, four bar logical grooves are used for supplying four inserted posts to carry out the slant to slide respectively.

Further, the center of roof and bottom plate is in same vertical line, every draw runner is fixed and is equipped with vertical decurrent wedge once towards the one end at roof center, the inclined plane of every wedge once all is towards the center of roof, the gliding logical groove of dodging of confession wedge once has all been seted up on every bar slide, actuating mechanism includes the cylinder, link and four No. two wedges, the cylinder is vertical fixed the center department of locating the bottom plate top, the output of cylinder is vertical upwards, four No. two wedges link to each other with the output of cylinder through the link, four No. two wedges respectively with four wedge one-to-one, and every No. two wedges all cooperate with the wedge of a corresponding.

Further, each strip-shaped sliding seat is fixedly provided with a transverse baffle towards one end of the corresponding end angle of the filter, the transverse baffle is perpendicular to the corresponding strip-shaped sliding seat, one end of each sliding strip deviating from a wedge is fixedly provided with a support block which vertically downwards penetrates through a through groove, the support block and the transverse baffle are spaced along the length direction of the strip-shaped sliding seat, a limiting column with the axial direction being consistent with the length direction of the sliding strip is fixedly arranged on the support block, one end of the limiting column penetrates through the transverse baffle, a spring is sleeved on the limiting column, and two ends of the spring are respectively abutted against the transverse baffle and the support block.

Further, the crane includes upper and lower interval distribution and all is horizontally upper plate and hypoplastron, links to each other through a plurality of No. two stands that are the matrix distribution between upper plate and the hypoplastron, and every stopping strip all links to each other with the hypoplastron is sliding, and the side of crane is equipped with lifting slide and swinging boom, and the swinging boom is the level, and the one end and the lifting slide rotation of swinging boom are connected, and the other end and the top of upper plate of swinging boom link firmly.

Further, the bottom of the lower plate is fixedly provided with four second strip-shaped sliding seats, the four second strip-shaped sliding seats are grouped in pairs, the length direction of each second strip-shaped sliding seat is parallel to the length direction of the diagonal corresponding to the filter, four retaining strips respectively slide in the four second strip-shaped sliding seats, one end of each retaining strip, which faces towards the end angle of the filter, is provided with a vertical downward bolt, the bottom of each second strip-shaped sliding seat is provided with a second avoiding through groove for sliding the bolt, and the top of each plastic connecting angle is provided with a plug bush for the bolt to be inserted downwards.

Further, every stopping strip all is along vertical direction looks interval with the bottom of hypoplastron, and the strip holding tank that length direction and No. two strip seat direction are unanimous is all offered at the top of every No. two strip seats, the top of every stopping strip all forms a plurality of along its length direction evenly distributed's a number right angle tooth, a side that every number right angle tooth links to each other with the stopping strip is the horizontal plane, a side that every number right angle tooth orientation hypoplastron center department is vertical face, all be equipped with between every stopping strip and the hypoplastron along vertical direction with the rack that the hypoplastron elasticity links to each other, the rack is parallel with the stopping strip that corresponds, the bottom of rack is laminated with the top that corresponds stopping strip through the strip holding tank, a plurality of along its length direction evenly distributed's No. two right angle teeth of bottom all shaping of every rack, every No. two right angle teeth all insert down between two adjacent numbers right angle teeth.

Further, the center department of hypoplastron is equipped with the elasticity and pushes down the piece, the elasticity pushes down the piece and includes the shell, no. two springs, square slide pin and connecting plate, the shell is the center department at vertical fixed locating hypoplastron top, the lower extreme of shell is open structure, be equipped with in the shell be vertical and with the lower extreme of shell be linked together the rectangle spout, square slide pin slides in the rectangle spout, and the lower extreme of square slide pin passes the hypoplastron, four racks pass through the connecting plate and link to each other with the lower extreme of square slide pin, no. two springs are vertical locate in the rectangle spout, and the upper and lower both ends of No. two springs are inconsistent with the top of square slide pin and the interior roof of shell respectively.

Further, a plurality of strip-shaped notches are formed in the two sides, opposite to the filter, of the connecting terminals, the number of the strip-shaped notches on one side of the rectangular rubber cover is consistent with that of the connecting terminals on one side of the filter, and the bottoms of the corresponding sides of the rectangular rubber cover are communicated with the lower ends of the strip-shaped notches.

Compared with the prior art, the invention has the following beneficial effects:

firstly, because the elastic windshield of the device has an expanding effect, the device is suitable for windproof filters with different sizes, and when the filter with larger size is required to be replaced later, the windshield with corresponding size does not need to be replaced, so that the applicability and portability of the device are higher than those of the traditional windproof device;

secondly, when the filter is fixed, the relative positions of the filter and the elastic windshield do not need to be accurately positioned, even if the position of the filter deviates, the stretched elastic windshield can cover the filter downwards completely, so that the trouble that the elastic windshield and the filter need to be positioned when in use is avoided;

third, because the both sides of filter all are equipped with connecting terminal, traditional windshield does not are equipped with the groove of dodging connecting terminal to this windshield can be inconsistent with connecting terminal and can not cover the filter completely, compare and be equipped with a plurality of bar breach on the rectangle rubber cover of this device of traditional windshield, when connecting terminal stretches into in the bar breach, every bar breach all can be propped gradually big, finally when the rectangle rubber cover covers the filter completely, every connecting terminal all can wear out from the bar breach that corresponds, with this realization rectangle rubber cover dodges connecting terminal.

Drawings

FIG. 1 is a schematic perspective view of an embodiment;

FIG. 2 is a top view of an embodiment;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of the portion A1 in FIG. 3;

FIG. 5 is an enlarged partial schematic view designated by A2 in FIG. 3;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 7 is an enlarged partial schematic view designated by A3 in FIG. 6;

FIG. 8 is an enlarged partial schematic view designated by A5 in FIG. 7;

FIG. 9 is an enlarged partial schematic view designated by A4 in FIG. 6;

FIG. 10 is a schematic perspective view of a diagonal extension mechanism of an embodiment;

FIG. 11 is a schematic perspective view of an embodiment of a resilient windshield;

FIG. 12 is a schematic perspective view of a second embodiment of a resilient windshield;

FIG. 13 is a schematic perspective view of an extension locking mechanism of an embodiment;

fig. 14 is a side view of the second bar-shaped slider, rack, and backstop bar of the embodiment.

The reference numerals in the figures are: 1. a rectangular rubber cover; 2. plastic connecting angles; 3. a plastic sleeve; 4. a slide bar; 5. inserting a column; 6. a stop bar; 7. a top plate; 8. a bottom plate; 9. a first upright post; 10. a first bar-shaped sliding seat; 11. a strip-shaped through groove; 12. a first inclined wedge block; 13. the first avoidance through groove; 14. a cylinder; 15. a connecting frame; 16. a second inclined wedge block; 17. a transverse baffle; 18. a support block; 19. a limit column; 20. a first spring; 21. an upper plate; 22. a lower plate; 23. a second upright post; 24. a lifting slide block; 25. a rotating arm; 26. a second strip-shaped sliding seat; 27. a plug pin; 28. avoiding the through groove II; 29. a plug bush; 30. a bar-shaped accommodating groove; 31. a first right-angle tooth; 32. a rack; 33. second right-angle teeth; 34. a housing; 35. a second spring; 36. square slide pin; 37. a connecting plate; 38. rectangular sliding grooves; 39. a strip-shaped notch.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to fig. 1 to 14, a filter wind-proof device with lifting function for high-voltage harmonic treatment is shown, which comprises a double-layer bracket, the upper layer of double-layer bracket is fixedly arranged on the filter, a lifting frame is arranged right above the filter, an elastic wind-proof cover is arranged on the lifting frame, the elastic wind-proof cover comprises a rectangular rubber cover 1 and four plastic connecting angles 2, the lower end of the rectangular rubber cover 1 is of an opening structure, the four plastic connecting angles 2 are respectively arranged on the four end angles of the rectangular rubber cover 1, each plastic connecting angle 2 is provided with a vertical plastic sleeve 3, a diagonal extension mechanism is arranged between the upper layer and the lower layer of the double-layer bracket, the diagonal extension mechanism comprises a driving mechanism and four sliding strips 4 which are in sliding connection with the double-layer bracket, each sliding strip 4 is in groups and each group of sliding strips 4 slides along the diagonal direction corresponding to the filter, each sliding strip 4 is provided with an inserting column 5 which vertically upwards passes through the double-layer bracket, each inserting column 5 is upwards inserted into the corresponding plastic sleeve 3 after the lifting frame, the driving mechanism is used for driving the four sliding strips 4 to stretch out and stretch out the rectangular rubber cover 6 to be correspondingly connected with the rectangular rubber cover 1 in a locking mode, and the four sliding strips 6 are correspondingly connected with the rectangular rubber cover 1 in a lifting mode, and the four sliding strips 6 are correspondingly stretched out of the four sliding covers are respectively, and the sliding covers are respectively locked with the rectangular cover 1 and are respectively connected with the lifting frame and the lifting frame is respectively.

Before the filter is fixed on the double-layer bracket, the elastic wind shield is firstly spread according to the size of the current filter, in the process, the elastic wind shield is driven to descend by the lifting frame, so that the plastic sleeve 3 on each plastic connecting angle 2 is downwards inserted into the corresponding inserting column 5, then the driving mechanism drives the four sliding bars 4 to synchronously extend outwards, the four inserting columns 5 synchronously drive the four plastic connecting angles 2 to extend outwards, finally the rectangular rubber cover 1 is spread, the retaining bars 6 fixedly connected with each plastic connecting angle 2 extend outwards, the extending direction of each retaining bar 6 is parallel to the extending direction of the corresponding sliding bar 4, after the rectangular rubber cover 1 is outwards spread to a certain extent, each sliding bar 4 stops moving, the lifting frame ascends, at the moment, the rectangular rubber cover 1 is supported by the four retaining bars 6 in the extending locking mechanism, the rectangular rubber cover 1 can keep the current spreading state, the filter is fixed on the double-layer bracket, the filter is placed between the four inserting posts 5 when being fixed, after the filter is fixed, the lifting frame descends again, the rectangular rubber cover 1 is driven to cover the filter downwards, the filter is finally winded through the rectangular rubber cover 1, the elastic windshields of the device have the expanding effect, are suitable for windshields of filters with different sizes, when the filter with larger size is needed to be replaced later, the windshields with corresponding sizes are not needed to be replaced, the applicability and portability of the device are higher than those of the traditional windshields, the relative positions of the filter and the elastic windshields are not needed to be accurately positioned when the filter is fixed, even if the position of the filter deviates, the spread elastic windshields can cover the filter completely downwards, therefore, the trouble that the elastic windshield and the filter need to be positioned when in use is avoided.

In order to reveal how each slide 4 is slidably connected to the double-layered bracket, the following features are provided:

the double-layer bracket comprises a top plate 7 and a bottom plate 8 which are vertically distributed at intervals and are horizontal, wherein a plurality of first upright posts 9 which are distributed in a matrix are connected between the top plate 7 and the bottom plate 8, four first strip-shaped sliding seats 10 are fixedly arranged at the bottom of the top plate 7, the four first strip-shaped sliding seats 10 are in groups, the length direction of each group of first strip-shaped sliding seats 10 is parallel to the diagonal direction corresponding to the filter, four sliding strips 4 respectively slide in the four first strip-shaped sliding seats 10, one side, connected with the top plate 7, of each first strip-shaped sliding seat 10 is of an opening structure, four strip-shaped through grooves 11 corresponding to the sliding strips 4 are formed in the top plate 7, each inserting post 5 upwards penetrates through the corresponding strip-shaped through groove 11, and the four strip-shaped through grooves 11 are respectively used for enabling the four inserting posts 5 to slide obliquely.

Each slide bar 4 slides in a first bar-shaped sliding seat 10 along the corresponding diagonal direction of the filter, when the driving mechanism synchronously drives the four slide bars 4 to slide, the inserted columns 5 connected with the slide bars 4 slide in the corresponding bar-shaped through grooves 11, and the avoidance of the top plate 7 to the inserted columns 5 is realized through the bar-shaped through grooves 11.

In order to show how the driving mechanism drives the four sliding bars 4 to extend synchronously, the following characteristics are specifically set:

the center of roof 7 and bottom plate 8 is in same vertical line, every draw runner 4 is fixed to be equipped with vertical decurrent wedge 12 towards the one end at roof 7 center, the inclined plane of every wedge 12 all faces the center of roof 7, the No. one through groove 13 that dodges of confession wedge 12 gliding is all offered on every No. one bar slide 10, actuating mechanism includes cylinder 14, link 15 and No. two wedges 16, cylinder 14 is the center department at bottom plate 8 top of vertical fixed locating, the output of cylinder 14 is vertical upwards, no. two wedges 16 link to each other with the output of cylinder 14 through link 15, no. two wedges 16 respectively with No. four wedges 12 one-to-one, and No. two wedges 16 all cooperate with corresponding wedge 12 wedges.

After the lifting frame drives the elastic windshield to descend to the position that each inserting pillar 5 is inserted into the corresponding plastic sleeve 3, the output end of the air cylinder 14 ascends, at the moment, the connecting frame 15 can drive the four second inclined wedges 16 to synchronously lift, in the process, each second inclined wedge 16 can be abutted against the corresponding first inclined wedge 12, the first inclined wedges 12 are driven to outwards displace along the length direction of the first strip-shaped sliding seat 10 through the cooperation of the inclined wedges, the corresponding sliding bars 4 can be driven to outwards extend by the first inclined wedges 12 finally, after the sliding bars 4 outwards extend, the corresponding plastic connecting angles 2 can be driven to outwards extend by the inserting pillars 5 arranged on the sliding bars 4, and finally the rectangular rubber cover 1 is stretched.

In order to reveal how each slide 4, after extension, achieves retraction, the following features are provided in particular:

the one end of every No. one bar slide 10 towards the corresponding end angle of wave filter is all fixed and is equipped with horizontal baffle 17, horizontal baffle 17 perpendicular to No. one bar slide 10 that corresponds, the one end that every slide 4 deviates from No. one sloping block 12 all is fixed with a vertical downward and passes a branch piece 18 of dodging logical groove 13, branch piece 18 and horizontal baffle 17 are along the length direction looks interval of No. one bar slide 10, fixed being equipped with a spacing post 19 that the axial is unanimous with slide 4 length direction on the branch piece 18, horizontal baffle 17 is passed to one end of spacing post 19, the cover is equipped with a spring 20 on the spacing post 19, the both ends of a spring 20 are inconsistent with horizontal baffle 17 and branch piece 18 respectively.

When the output end of the air cylinder 14 rises, the sliding bar 4 is driven to extend outwards, the distance between the supporting block 18 and the transverse baffle 17 is gradually reduced, the first spring 20 sleeved on the limiting column 19 is compressed by the transverse baffle 17 and the supporting block 18 to generate elastic force, meanwhile, one end of the limiting column 19 penetrating through the transverse baffle 17 is gradually extended outwards, after the air cylinder 14 stops, the second wedge block 16 keeps the current state to be fixed, the sliding bar 4 keeps the current extended state, after the air cylinder 14 descends, the second wedge block 16 is gradually away from the first wedge block 12, the first spring 20 gradually drives the sliding bar 4 to slide reversely through the elastic force of the first spring, so that the sliding bar 4 is retracted, and finally, after the first spring 20 completely releases the elastic force, the first spring 5 is in contact with one end of the strip-shaped through groove 11 to limit the reverse displacement of the sliding bar 4.

In order to show the specific structure of the lifting frame and how the lifting frame can be lifted, the following characteristics are provided:

the crane includes upper plate 21 and hypoplastron 22 that upper and lower interval distribution just all is the horizontally, links to each other through a plurality of No. two stand 23 that are the matrix distribution between upper plate 21 and the hypoplastron 22, and every stopping strip 6 all links to each other with hypoplastron 22 slip, and the side of crane is equipped with lift slider 24 and swinging boom 25, and swinging boom 25 is the level, and the one end and the lift slider 24 rotation of swinging boom 25 are connected, and the other end and the top of upper plate 21 of swinging boom 25 link firmly.

When in actual use, the lifting device (not shown in the figure) is arranged at the side of the device, the lifting device is used for driving the lifting slide block 24 to lift, the lifting device can be a hydraulic cylinder or a vertical conveyor belt or the like, when the lifting slide block 24 lifts, the rotating arm 25 connected with the lifting slide block 24 can drive the lifting frame to lift, wherein the rotating arm 25 can rotate manually, so that before the filter is fixed to the top plate 7, the lifting frame is driven to lift through the lifting slide block 24, then the rotating arm 25 is rotated to enable the lifting frame to deflect towards one side along with the elastic windshield and the extension locking mechanism, finally the filter is fixed to avoid, and when the elastic windshield is not used, the rotating arm 25 can also rotate the elastic windshield to the deflection side of the filter, so that the space above the filter is enlarged, and other operations are facilitated for operators.

In order to show how each backstop strip 6 is slidably connected with the lifting frame, the following features are specifically provided:

the bottom of the lower plate 22 is fixedly provided with four second strip-shaped sliding seats 26, the four second strip-shaped sliding seats 26 are grouped in pairs, the length direction of each second strip-shaped sliding seat 26 is parallel to the length direction of a diagonal corresponding to the filter, four retaining strips 6 slide in the four second strip-shaped sliding seats 26 respectively, one end of each retaining strip 6, which faces the end angle of the filter, is provided with a vertical downward bolt 27, the bottom of each second strip-shaped sliding seat 26 is provided with a second avoiding through groove 28 for the bolt 27 to slide, and the top of each plastic connecting angle 2 is provided with a plug bush 29 for the bolt 27 to insert downwards.

When the elastic wind shield is installed, each plastic connecting angle 2 is sleeved outside the corresponding bolt 27 through the plug bush 29 at the top of the elastic wind shield, so that the elastic wind shield can be quickly disassembled and assembled, when the lifting frame descends, the four bolts 27 can respectively prop against the four plastic connecting angles 2 downwards, so that the plastic bush 3 on each plastic connecting angle 2 is sleeved on the plug posts 5 downwards, and when the elastic wind shield is in actual use, lubricating oil can be smeared on the plug posts 5, so that friction force between the plastic bush 3 and the plug posts 5 is reduced, and meanwhile, due to large friction force between the plug bush 29 and the bolts 27, after the lifting frame ascends, the elastic wind shield can ascend along with the lifting frame and cannot be inserted on the four plug posts 5.

In order to show how each backstop strip 6 realizes the backstop function, the following features are specifically provided:

every stopping strip 6 all is along vertical direction looks interval with the bottom of hypoplastron 22, and the strip holding tank 30 that length direction and No. two strip slide 26 direction are unanimous is all offered at the top of every No. two strip slide 26, every stopping strip 6's top all forms a plurality of along its length direction evenly distributed's No. one right angle tooth 31, every No. one right angle tooth 31 is the horizontal plane with one side that stopping strip 6 links to each other, every No. one right angle tooth 31 is the vertical face towards one side of hypoplastron 22 center department, all be equipped with between every stopping strip 6 and the hypoplastron 22 along vertical direction with the rack 32 that hypoplastron 22 elasticity links to each other, rack 32 is parallel with corresponding stopping strip 6, the bottom of rack 32 is laminated with the top of corresponding stopping strip 6 through the strip holding tank 30, every rack 32's bottom all forms a plurality of along its length direction evenly distributed's No. two right angle teeth 33, every No. two right angle teeth 33 all insert down between two adjacent No. one right angle teeth 31.

As shown in fig. 6, fig. 7 and fig. 8, the side of each first right-angle tooth 31 connected with the retaining strip 6 is a horizontal plane, the side of each first right-angle tooth 31 facing the center of the lower plate 22 is a vertical surface, because the second right-angle tooth 33 can be inserted between two adjacent first right-angle teeth 31 downwards, the side of each second right-angle tooth 33 facing the center of the lower plate 22 is an inclined surface, when the elastic windshield is spread, each plastic connecting angle 2 can drive the corresponding retaining strip 6 to extend outwards, in the process, the inclined surface of each first right-angle tooth 31 can be abutted against the inclined surface of the corresponding second right-angle tooth 33, at the moment, the rack 32 elastically connected with the lower plate 22 along the vertical direction can be driven to displace upwards, finally, the retaining strip 6 can extend outwards, after the retaining strip 6 stops displacing, because the rack 32 is elastically pressed downwards again between the two adjacent first right-angle teeth 31, the vertical surface of each first right-angle tooth 31 can be abutted against the corresponding second right-angle tooth 33, and the current retaining strip 6 can be kept in an elastic state, and the retaining condition can not be kept.

When the elastic windshield contracts, each retaining strip 6 also needs to retract, so that each retaining strip 6 can also have a retracting function on the premise of having a retaining function, and the following characteristics are specifically set:

the center department of hypoplastron 22 is equipped with elasticity and pushes down the piece, elasticity pushes down the piece and includes shell 34, no. two springs 35, square slide pin 36 and connecting plate 37, shell 34 is the center department at vertical fixed locating hypoplastron 22 top, the lower extreme of shell 34 is open structure, be equipped with in the shell 34 be vertical and with the rectangle spout 38 that the lower extreme of shell 34 is linked together, square slide pin 36 slides in rectangle spout 38, and the lower extreme of square slide pin 36 passes hypoplastron 22, four racks 32 pass through connecting plate 37 and link to each other with the lower extreme of square slide pin 36, no. two springs 35 are vertical locate in rectangle spout 38, and the upper and lower both ends of No. two springs 35 are inconsistent with the top of square slide pin 36 and the interior roof of shell 34 respectively.

The square sliding pin 36 always has a downward trend through the elasticity of the second spring 35, and through the cooperation of the square sliding pin 36 and the rectangular sliding groove 38, the four racks 32 can only move along the vertical square, when the square sliding pin 36 drives the four racks 32 to synchronously press down, each second right-angle tooth 33 is inserted downwards between every two adjacent first right-angle teeth 31, when the retaining strip 6 stretches out outwards, the racks 32 move upwards and are pressed down again by the second spring 35 after moving upwards, so that the retaining strip 6 cannot retract, wherein after each rack 32 is pressed down, a certain gap is reserved between each rack 32 and the bottom of the lower plate 22, the gap is used for the racks 32 to move upwards, when a filter with smaller size is replaced subsequently, the elastic windshield needs to be contracted, at the moment, the connecting plate 37 can be manually pressed up, so that the four racks 32 synchronously move upwards, each second right-angle tooth 33 can be separated from the corresponding first right-angle tooth 31, the retaining strip 6 is in a free state, and the elastic windshield can retract automatically.

Because both sides of the filter are provided with the connecting terminals, the connecting terminals on both sides of the filter can be avoided by the elastic wind shield outside the filter, and the following characteristics are specifically set:

the rectangular rubber cover 1 is opposite to the two sides of the filter, which are provided with the connecting terminals, a plurality of strip-shaped notches 39 are formed, the number of the strip-shaped notches 39 on one side of the rectangular rubber cover 1 is consistent with the number of the connecting terminals on one side of the filter, and the bottom of the corresponding side of the rectangular rubber cover 1 is communicated with the lower end of each strip-shaped notch 39.

When the rectangular rubber cover 1 covers the filter downwards, the connecting terminals on one side of the filter are firstly abutted against the bottoms of the corresponding sides of the rectangular rubber cover 1, the connecting terminals on the filter are avoided through the strip-shaped gaps 39, when the connecting terminals extend into the strip-shaped gaps 39, each strip-shaped gap 39 is gradually enlarged, and finally when the rectangular rubber cover 1 covers the filter completely, each connecting terminal penetrates out of the corresponding strip-shaped gap 39.

Working principle:

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a high-voltage harmonic treatment is with filter wind-proof device with lift function, a serial communication port, including double-deck bracket, the upper strata of double-deck bracket is fixedly located to the filter, be equipped with the crane directly over the filter, be equipped with elasticity wind-proof housing on the crane, elasticity wind-proof housing includes rectangle rubber cover (1) and four plastic connecting angle (2), the lower extreme of rectangle rubber cover (1) is open structure, four plastic connecting angle (2) are located respectively on four terminal angles of rectangle rubber cover (1), all be equipped with on every plastic connecting angle (2) and be vertical plastic cover (3), be equipped with diagonal extension mechanism between upper strata and the lower floor of double-deck bracket, diagonal extension mechanism includes actuating mechanism and four slide bars (4) with double-deck bracket sliding connection, two liang and every group slide bar (4) all slide along the diagonal direction that the filter corresponds, all be equipped with a jack post (5) that vertically upwards pass double-deck bracket on every slide bar (4), drive elasticity wind-proof housing descends at the crane, each jack post (5) is inserted and is used for locking mechanism with four slide bar (6) that correspond to realize between the equal extension mechanism of stretching, with the square bracket (6) and the locking mechanism is all that the locking is connected with the slide bar (6) is all to the same in order to realize, the synchronous connection between four slide bar (6), each retaining strip (6) is used for extending along the corresponding diagonal line of the rectangular rubber cover (1) when the rectangular rubber cover (1) is unfolded, and the rectangular rubber cover (1) is kept in the current unfolded state through the four retaining strips (6);

the lifting frame comprises an upper plate (21) and a lower plate (22) which are vertically and horizontally distributed at intervals, the upper plate (21) and the lower plate (22) are connected through a plurality of second upright posts (23) which are distributed in a matrix, each retaining strip (6) is slidably connected with the lower plate (22), a lifting sliding block (24) and a rotating arm (25) are arranged at the side of the lifting frame, the rotating arm (25) is horizontal, one end of the rotating arm (25) is rotationally connected with the lifting sliding block (24), and the other end of the rotating arm (25) is fixedly connected with the top of the upper plate (21);

the bottom of hypoplastron (22) is fixed to be equipped with four No. two bar slide (26), the length direction of four No. two bar slide (26) two liang of and every No. two bar slide (26) of group is parallel with the length direction of the diagonal that the wave filter corresponds, four stopping strip (6) slide respectively in four No. two bar slide (26), every stopping strip (6) has a vertical decurrent bolt (27) towards the one end of wave filter end angle all shaping, no. two gliding No. two dodges logical groove (28) of supply bolt (27) have all been seted up to the bottom of every No. two bar slide (26), the top of every plastic junction angle (2) all forms one and supplies bolt (27) downwardly inserting plug bush (29).

2. The filter wind-proof device with lifting function for high-voltage harmonic treatment according to claim 1, wherein the double-layer bracket comprises a top plate (7) and a bottom plate (8) which are vertically distributed at intervals and are horizontal, the top plate (7) and the bottom plate (8) are connected through a plurality of first upright posts (9) which are distributed in a matrix, four first strip-shaped sliding seats (10) are fixedly arranged at the bottom of the top plate (7), the four first strip-shaped sliding seats (10) are grouped in pairs, the length direction of each group of first strip-shaped sliding seats (10) is parallel to the diagonal direction corresponding to the filter, the four sliding bars (4) slide in the four first strip-shaped sliding seats (10) respectively, one side, connected with the top plate (7), of each first strip-shaped sliding seat (10) is of an opening structure, four strip-shaped through grooves (11) corresponding to the sliding bars (4) are formed in the top plate (7), and each inserting column (5) upwards passes through the corresponding strip-shaped through the corresponding through grooves (11) respectively.

3. The filter wind-proof device with lifting function for high-voltage harmonic treatment according to claim 2, wherein the centers of the top plate (7) and the bottom plate (8) are positioned on the same vertical line, one end of each sliding bar (4) facing the center of the top plate (7) is fixedly provided with a first inclined wedge (12) which is vertically downward, the inclined surface of each first inclined wedge (12) faces the center of the top plate (7), a first avoidance through groove (13) for sliding the first inclined wedge (12) is formed in each first strip-shaped sliding seat (10), the driving mechanism comprises a cylinder (14), a connecting frame (15) and four second inclined wedges (16), the cylinder (14) is vertically fixedly arranged at the center of the top of the bottom plate (8), the output end of the cylinder (14) is vertically upward, the four second inclined wedges (16) are connected with the output end of the cylinder (14) through the connecting frame (15), the four second inclined wedges (16) are respectively corresponding to the four first inclined wedges (12), and the first inclined wedges (12) are respectively matched with the inclined wedges (12) corresponding to the first inclined wedges (12).

4. The filter wind-proof device with lifting function for high-voltage harmonic treatment according to claim 3, wherein one end of each first strip-shaped sliding seat (10) facing the corresponding end angle of the filter is fixedly provided with a transverse baffle (17), the transverse baffle (17) is perpendicular to the corresponding first strip-shaped sliding seat (10), one end of each sliding strip (4) deviating from the first inclined wedge (12) is fixedly provided with a support block (18) which vertically downwards passes through the first avoidance through groove (13), the support block (18) and the transverse baffle (17) are spaced along the length direction of the first strip-shaped sliding seat (10), one end of each support block (18) is fixedly provided with a limiting column (19) with the axial direction consistent with the length direction of the sliding strip (4), one end of each limiting column (19) passes through the transverse baffle (17), a first spring (20) is sleeved on each limiting column (19), and two ends of each first spring (20) respectively collide with the transverse baffle (17) and the support block (18).

5. The filter wind-proof device with lifting function for high-voltage harmonic treatment according to claim 1, wherein each retaining strip (6) is spaced from the bottom of the lower plate (22) along the vertical direction, the top of each second strip-shaped sliding seat (26) is provided with a strip-shaped containing groove (30) with the length direction consistent with the direction of the second strip-shaped sliding seat (26), the top of each retaining strip (6) is provided with a plurality of first right-angle teeth (31) uniformly distributed along the length direction of the corresponding retaining strip, one side, connected with each retaining strip (6), of each first right-angle tooth (31) is a horizontal plane, one side, facing the center of the lower plate (22), of each first right-angle tooth (31) is a vertical plane, racks (32) elastically connected with the lower plate (22) along the vertical direction are respectively arranged between each retaining strip (6) and the lower plate (22), the bottoms of the racks (32) are parallel to the corresponding retaining strips (6), the bottoms of the racks (32) are uniformly distributed along the length direction of the corresponding retaining strips (6), and the bottoms of each second right-angle tooth (33) are uniformly distributed along the length direction of each second right-angle tooth (33).

6. The filter wind-proof device with lifting function for high-voltage harmonic treatment according to claim 5, wherein an elastic pressing piece is arranged at the center of the lower plate (22), the elastic pressing piece comprises a shell (34), a second spring (35), a square sliding pin (36) and a connecting plate (37), the shell (34) is vertically and fixedly arranged at the center of the top of the lower plate (22), the lower end of the shell (34) is of an opening structure, a rectangular sliding groove (38) which is vertical and communicated with the lower end of the shell (34) is arranged in the shell (34), the square sliding pin (36) slides in the rectangular sliding groove (38), the lower end of the square sliding pin (36) penetrates through the lower plate (22), four racks (32) are connected with the lower end of the square sliding pin (36) through the connecting plate (37), the second spring (35) is vertically arranged in the rectangular sliding groove (38), and the upper end and the lower end of the second spring (35) are respectively in contact with the top of the square sliding pin (36) and the inner top wall of the shell (34).

7. The filter wind-proof device with lifting function for high-voltage harmonic treatment according to claim 1, wherein a plurality of strip-shaped notches (39) are formed on two sides, opposite to the filter, of connecting terminals, of the rectangular rubber cover (1), the number of the strip-shaped notches (39) on one side of the rectangular rubber cover (1) is consistent with that of the connecting terminals on one side of the filter, and the lower end of each strip-shaped notch (39) penetrates through the bottom of the corresponding side of the rectangular rubber cover (1).