CN111395256A

CN111395256A - Flood control device for underground garage

Info

Publication number: CN111395256A
Application number: CN202010277659.7A
Authority: CN
Inventors: 王俊强; 于锁清; 张业宏; 曹洪飞; 程闻建; 冯星; 马丹
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-07-10

Abstract

The invention provides a flood control device of an underground garage, which belongs to the field of flood control equipment and comprises an appearance frame, a lifting assembly, a water retaining soft plate assembly and a control assembly, wherein the appearance frame is fixedly arranged, the span of the appearance frame is not smaller than the width of a doorway of the underground garage, the water retaining plate assembly comprises a water retaining soft plate and a soft plate reel, the soft plate reel is hinged to the lower end of the appearance frame, the lower end of the water retaining soft plate is matched with the soft plate reel and realizes automatic rolling, the upper end of the water retaining soft plate is fixed with the upper end of the lifting assembly and is driven by the lifting assembly to move up and down, and the control assembly monitors the water level and controls the action of the. The invention has compact structure, can be placed underground, can automatically monitor and control when flood approaches, saves manpower, automatically finishes water retaining operation and has high stability.

Description

Flood control device for underground garage

Technical Field

The invention belongs to the field of flood control equipment, and relates to a flood control device for an underground garage.

Background

With the improvement of economic level of people, automobiles become popular transportation tools, the number of the automobiles is more and more, the urban process is promoted continuously, the living space of a city is more and more tense, the parking of the automobiles is changed from the ground to the underground in a plurality of districts or industrial areas, a large amount of above-ground space is saved, and the underground garage has better protection effect on the automobiles, so that the underground garage is more and more widely applied.

The rainwater is sufficient in summer, the urban waterlogging is very easily caused by heavy rain in a short time, the underground garage is the most easily submerged place, the extremely serious property loss can be caused once the garage inlet is filled with water, the existing stage water blocking method is mostly to use a sand bag to pile up the garage inlet, the efficiency is low, the waterproofness is not good, and in extreme weather, when the manpower cannot be operated, the method is invalid.

Disclosure of Invention

The invention aims to solve the problem of providing a flood control device for an underground garage, which has a compact structure, can be placed underground, can automatically monitor and control when flood approaches, automatically finishes water retaining operation, saves manpower and has high stability.

In order to solve the technical problems, the invention adopts the technical scheme that: underground garage flood control device includes appearance frame, lifting unit, manger plate soft board subassembly and control assembly, the fixed setting of appearance frame, the span of appearance frame is not less than underground garage's gate width setting, the manger plate subassembly includes manger plate soft board and soft board spool, the soft board spool articulates the lower extreme of appearance frame, the lower extreme of manger plate soft board with soft board spool cooperation sets up and realizes automatic rolling, the upper end of manger plate soft board with lifting unit's upper end is fixed and by the lifting unit drive reciprocates, control assembly monitoring water level and control the lifting unit action.

Further, the appearance frame is the U-shaped, stand including both ends, the inboard of stand is equipped with vertical recess, with the both ends of lifting unit match the setting, and the inboard between two stands is equipped with the crossbeam, and the outside is equipped with compresses tightly the backplate, compress tightly the backplate with be equipped with the clearance between the appearance frame, the upper end that compresses tightly the backplate is equipped with at least one horizontal spout, with the lower extreme of lifting unit matches the setting.

Furthermore, the number of the transverse sliding grooves is at least two, the transverse sliding grooves are dispersedly arranged on the compression back plate, and the longitudinal groove is arranged on the upright post in the middle.

Further, the lifting component comprises a lifting plate, a quadrilateral cross expansion bracket and a transverse driving plate, the upper end of the quadrilateral cross expansion bracket is fixedly connected with the lower end of the lifting plate, the quadrilateral cross expansion bracket comprises a quadrilateral structure and a sliding block, the lower end of the quadrilateral structure is connected with the transverse driving plate in a cross mode, the sliding block is U-shaped, the transverse driving plate is arranged in the U-shaped area of the sliding block and is in sliding connection with the U-shaped area of the sliding block, and the transverse driving plate is driven to move transversely through a gear rack structure.

Furthermore, the lifting assembly comprises side-mounted telescopic frames, the side-mounted telescopic frames are arranged on two sides of the quadrilateral crossed telescopic frame, racks in the gear rack structure are arranged on the side faces of the transverse driving plate and fixedly connected with the side faces of the transverse driving plate, and gears in the gear rack structure are driven to rotate by a lifting motor.

Further, still including compressing tightly the subassembly, compress tightly the subassembly and include horizontal pressure strip, first horizontal pressure strip and the horizontal drive plate of second, appearance frame is all arranged in with the horizontal drive plate of first horizontal drive plate, second and compresses tightly between the backplate to horizontal pressure strip, and horizontal pressure strip is the zigzag with the one side in opposite directions of first horizontal drive plate, and horizontal pressure strip is the zigzag with the horizontal drive plate of second in opposite directions one side, and horizontal pressure strip and back both pass through the wedge face contact of sawtooth, first horizontal pressure strip and the horizontal drive plate of second are driven through compressing tightly rack and pinion structure by the compression motor.

Furthermore, the compressing assembly further comprises a vertical compressing plate and a vertical driving plate, the vertical compressing plate and the vertical driving plate are arranged in a longitudinal groove of the appearance frame, the vertical compressing plate is connected with the vertical driving plate through a wedge-shaped surface, the vertical compressing plate is fixedly linked with a transverse compressing plate, and the vertical driving plate is fixedly linked with a first transverse driving plate or a second transverse driving plate.

Further, still include supporting component, supporting component is including accomodating groove, main stiffener and assisting the stiffener, accomodate the groove and bury in appearance frame below, main stiffener top end fixed connection can go up and down along with it in the lifting plate lower part of lifting component, the one end of assisting the stiffener articulates on main stiffener, the other end is relative main stiffener becomes level or vertical state.

Furthermore, the auxiliary reinforcing rods are positioned at two sides of the main reinforcing rods, two auxiliary reinforcing rods are in a group, and a plurality of groups are arranged on each main reinforcing rod; when descending, main stiffener with assist the stiffener and translate to accomodating the inslot downwards, when assisting the stiffener and getting into and accomodating the groove, around its rotatory 90 degrees of hinged end with main stiffener.

Furthermore, the control assembly comprises a computer and a water immersion detector, and the computer is in signal connection with the water immersion detector, the lifting assembly and the pressing assembly; the computer is provided with a control program, and the water immersion detector is placed at a proper position outside the underground garage, is lower than the height of an inlet of the underground garage, and can be communicated with external flood.

Compared with the prior art, the invention has the following advantages and positive effects.

1. The invention has compact structure, can be placed underground, can automatically monitor and control when flood approaches, automatically finishes water retaining operation, saves manpower and has high stability;

2. the device is arranged at an entrance of an underground garage and is retracted below the ground when not in work; when the flood approaches, the control assembly starts the lifting assembly and the pressing assembly in sequence to quickly lift and press the water-retaining soft plate; the supporting component which rises together with the water baffle soft plate can resist the deformation capability to resist the impact of flood, thereby ensuring the stability of the flood control device;

3. the lifting assembly is arranged to achieve lifting and positioning of the water retaining soft plate, power driving is achieved, the pressing assembly is arranged to press the lower end of the water retaining soft plate and two ends of the side face, pressing of the lower end of the water retaining soft plate and three sides of the two sides is achieved, pressing is stable, strength and stability of the water retaining soft plate are improved, and flood control effect is effectively achieved;

4. in above scheme, further set up supporting component, at the cross-sectional direction of manger plate software, support the manger plate soft slab, further promote the structure of whole structure, to the support of manger plate soft slab, with the whole face atress of manger plate soft slab, change regional multiple spot atress into and support, further promote the bearing capacity of manger plate soft slab, prolong its life, it is more durable.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the flood protection device for an underground garage of the invention;

FIG. 2 is a schematic structural view of the form frame of the present invention;

FIG. 3 is a schematic structural view of the lift assembly of the present invention;

FIG. 4 is a schematic view of the folded lifting assembly of the present invention;

FIG. 5 is a schematic structural view of the quadrilateral cross telescopic frame of the present invention;

FIG. 6 is a schematic view of the configuration of the lift assembly of the present invention in cooperation with a form frame;

FIG. 7 is a schematic structural view of the hold-down assembly of the present invention;

FIG. 8 is a top plan view of a portion of the hold-down assembly, form frame and flashing of the present invention after engagement;

FIG. 9 is a side view of a portion of the hold-down assembly, form frame and flashing of the present invention after engagement;

FIG. 10 is a schematic view of the support assembly of the present invention shown in an open configuration;

FIG. 11 is a schematic view of the support assembly of the present invention shown closed;

fig. 12 is a schematic structural view of the water deflector assembly of the present invention.

Reference numerals:

1. a form frame; 11. a longitudinal groove; 12. a transverse chute; 13. pressing the back plate; 14. a cross beam; 15. a column; 2. a lifting assembly; 21. a lifting plate; 22. a quadrilateral cross telescopic frame; 221. a quadrilateral structure; 222. a slider; 23. the telescopic frame is arranged at the side; 24. a transverse drive plate; 25. a rack and pinion arrangement; 26. a lifting motor; 3. a compression assembly; 31. a transverse compacting plate; 32. a first transverse drive plate; 33. a second transverse drive plate; 34. a vertical compression plate; 35. a vertical drive plate; 36. compressing the rack and pinion structure; 37. a compacting motor; 4. a support assembly; 41. a receiving groove; 42. a main stiffener; 43. an auxiliary reinforcing rod; 5. a water deflector assembly; 51. a water-retaining soft plate; 52. a flexible board reel; 6. a control component; 61. a computer; 62. a water immersion probe.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1 to 12, the flood control device for the underground garage comprises an appearance frame 1, a lifting assembly 2, a pressing assembly 3, a supporting assembly 4, a water baffle soft plate assembly 5 and a control assembly 6;

lifting unit 2, compress tightly subassembly 3, supporting component 4, manger plate soft board subassembly 5 all install on appearance frame 1, the direction that the supposition left underground garage is outside garage, and the direction that gets into underground garage is interior, and the garage is inside to be interior promptly, in the bottom crossbeam 15 department of appearance frame 1, the installation order by outer to interior of above 4 devices is in proper order: the water-retaining soft plate assembly comprises a water-retaining soft plate assembly 5, a pressing assembly 3, a supporting assembly 4 and a lifting assembly 2.

The control assembly 6 comprises a computer 61, a water immersion detector 62; the computer 61 is in signal connection with the water immersion detector 62, the lifting motor 26 and the clamping motor 37; a control program is installed in the computer 61; the water logging detector 62 is placed at a suitable position outside the underground garage, i.e., the water inflow is easy to gather, and the position of a large depth of accumulated water is convenient to monitor, generally at the front end of the inflow underground tunnel.

The overall shape frame 1 is in a U shape as shown in figure 2 and is contacted with a civil engineering part of a building structure; the bottom cross beam 14 is embedded underground at an entrance of an underground garage, the upper surface of the bottom cross beam is flush with the ground, a pressing back plate 13 is designed on one side of the lower end of the outline frame 1, which is far away from the cross beam 14, and a plurality of transverse sliding grooves 12 are arranged on the pressing back plate 13 along the longitudinal direction of the pressing back plate; the precision that lifting unit removed is guaranteed in the cooperation of spout 12 and lifting unit 2, and the both sides wall body of the stand 15 embedding underground garage entrance of both sides has vertical recess 11 to the inboard, and vertical recess 11 matches the setting with lifting unit 2's width, guarantees lifting unit 2 at the stability of lift in-process, does not take place the deviation.

As shown in fig. 3-6, the lifting assembly 2 comprises a lifting plate 21, a quadrilateral cross telescopic frame 22, a side telescopic frame 23, a transverse driving plate 24, a lifting gear rack structure 25 and a lifting motor 26, wherein the quadrilateral cross telescopic frame 22 comprises a quadrilateral structure and a sliding block;

the lower surface of the lifting plate 21 is fixedly connected with the upper end of the water-retaining soft plate 51, and the lifting up and down of the lifting plate 21 can drive the water-retaining soft plate 51 to lift; the upper part of the quadrilateral cross expansion bracket 22 is hinged with the lifting plate 21, one end of the lower part is hinged with the transverse driving plate 24, and the other end slides on the transverse driving plate 24 through a sliding block 222; the lower end of the sliding block 222 is U-shaped, the transverse driving plate 24 is arranged in the U-shaped groove of the sliding block 222 and is in sliding connection with the sliding block, and the height direction can be changed by utilizing the principle that a parallelogram is easy to deform; the side expansion bracket 23 has a similar structure and a similar connection type with the quadrilateral cross expansion bracket 22, and is different in that only one side expansion bracket 23 is arranged at the lower end and is fixedly connected with the transverse driving plate 24;

the gear and the rack in the lifting gear rack structure 25 are respectively fixedly connected with a lifting motor 26 and a transverse driving plate 24, the rack is arranged on one side of the transverse driving plate 24 and fixedly connected with the rack on the same side of the opening of a sliding block 222, the rotary motion of the lifting motor 26 is converted into the horizontal movement of the transverse driving plate 24, the transverse sliding in a transverse sliding groove 12 of the outline frame 1 is realized, the lower end of the transverse driving plate 24 is arranged in the transverse sliding groove 12, two transverse sliding grooves are arranged on a pressing back plate 13 at intervals, the transverse driving plate 24 moves to drive the sliding block 222 of a quadrilateral cross expansion bracket 22 to transversely move, the expansion of the quadrilateral cross expansion bracket 22 and a side expansion bracket 23 is realized, the height change is realized, and the lifting of a lifting plate 21 is driven to;

the lifting motor 26 is contracting brake when losing power, opens when being electrified, locks automatically after power off, and can fix the lifting component 2 at the current position after the lifting plate 21 rises and falls, thereby avoiding accidental actions.

As shown in fig. 7-9, the pressing assembly 3 comprises a transverse pressing plate 31, a first transverse driving plate 32, a transverse driving plate 133, a vertical pressing plate 34, a vertical driving plate 35, a pressing rack-and-pinion structure 36 and a pressing motor 37;

the transverse pressing plate 31, the first transverse driving plate 32 and the second transverse driving plate 33 are arranged between the outer frame 1 and the pressing back plate 13, the opposite surfaces of the transverse pressing plate 31 and the first transverse driving plate 32 are both in a sawtooth shape, the opposite surfaces of the transverse pressing plate 31 and the second transverse driving plate 33 are both in a sawtooth shape, and the transverse pressing plate 31 and the latter two are in contact through the wedge-shaped surfaces of the sawtooth; the vertical pressing plate 34 and the vertical driving plate 35 are arranged in the longitudinal groove 11 of the outline frame 1 and are also connected through a wedge surface;

the transverse pressing plate 31 and the first transverse driving plate 32 are in a close state in a normal state and are arranged in contact with the inclined surface of the wedge-shaped surface, and when the first transverse driving plate 32 translates outwards, the wedge-shaped surface between the transverse pressing plate 31 and the first transverse driving plate 32 slides relatively to push the first transverse driving plate and the first transverse driving plate away; namely, the transverse pressing plate 31 moves towards the water baffle soft plate 51, the first transverse driving plate 32 moves towards the pressing back plate 13, and when the transverse pressing plate moves to "fill up" the space between the water baffle soft plate 51 and the pressing back plate 13, the bottom of the water baffle soft plate 51 can be pressed on the outline frame 1; the action principle of the transverse pressing plate 31 and the second transverse driving plate 33 is the same as that of the vertical pressing plate 34 and the vertical driving plate 35, the vertical driving plate 35 is fixedly connected with the first transverse driving plate 32 or the second transverse driving plate 33 on the same side of the vertical driving plate, and the vertical pressing plate 34 is fixedly connected with the transverse pressing plate 31 on the same side of the vertical driving plate, so that the linkage effect is realized;

the pressing gear-rack structure 36 is provided with 1 gear and 2 rack gears fixedly connected with a pressing motor 37, 2 racks are respectively fixedly connected with the first transverse driving plate 32 and the second transverse driving plate 33, the gears are simultaneously meshed with the two racks, and the rotary motion of the pressing motor 37 is converted into horizontal movement of the first transverse driving plate 32 and the second transverse driving plate 33 in opposite directions; the compaction motor 37 is also provided with a power-off internal contracting brake, is opened when being powered on, and is automatically locked after being powered off. The pressing assembly 3 can be fixed at the current position after the lifting plate 21 is lifted and lowered, so that accidental actions are avoided; after the water baffle soft plate 51 rises, the pressing component 3 presses the bottom edge and the side edge of the water baffle soft plate to prevent water leakage.

As shown in fig. 10 to 11, the support member 4 includes a main reinforcing bar 41, an auxiliary reinforcing bar 42, and a receiving groove 43; the accommodating groove 43 is buried below the outline frame 1, and the top end of the main reinforcing rod 41 is fixedly connected to the lower part of the lifting plate 21 and can lift along with the lifting plate;

the auxiliary reinforcing rods 42 are positioned at two sides of the main reinforcing rods 41, two reinforcing rods are in a group, and a plurality of groups are arranged on each main reinforcing rod 41; one end of the auxiliary reinforcing rod 42 is hinged on the main reinforcing rod 41, and the other end of the auxiliary reinforcing rod can rotate 90 degrees and is in a horizontal state and a vertical state; when the main reinforcing rod 41 and the auxiliary reinforcing rod 42 descend, the main reinforcing rod 41 and the auxiliary reinforcing rod 42 translate downwards into the accommodating groove 43, and when the auxiliary reinforcing rod 42 enters the accommodating groove 43, the auxiliary reinforcing rod rotates 90 degrees around the hinged end of the auxiliary reinforcing rod and the main reinforcing rod 41, rotates 90 degrees upwards until the auxiliary reinforcing rod is parallel to the main reinforcing rod 41 and enters the accommodating groove 43 together with the main reinforcing rod; when the auxiliary reinforcing rod 42 is lifted, the auxiliary reinforcing rod is opened to be in a state of 90 degrees with the main reinforcing rod 41, and the rotating direction of the auxiliary reinforcing rod is opposite to that of the auxiliary reinforcing rod when the auxiliary reinforcing rod is lowered; the support component 4 improves the anti-deformation capability of the flood control device through the main and auxiliary reinforcing rods 41 and 42, and plays a better supporting role for the water baffle soft board component 5, thereby improving the finishing strength.

As shown in fig. 12, the soft water baffle assembly 5 comprises a soft water baffle 51, a soft water baffle reel 52; the flexible water baffle plate 51 which can be curled is made of a waterproof impact-resistant flexible material, a polyethylene high-polymer polypropylene waterproof coiled material is adopted, an SBS waterproof coiled material, a self-adhesive waterproof coiled material and a high-polymer waterproof coiled material can be adopted, water generation conditions of various places and water generation amount are selected and set, the materials can be directly purchased from a market or an online sale channel, the materials are not limited and can be realized, other equivalent materials which can be curled can be adopted for mention, and the upper part of the flexible water baffle plate 51 is fixedly connected to the lower surface of the lifting plate 21 in the lifting assembly 2; when not in work, the water baffle soft plate 51 is rolled on the soft plate scroll 52 at the lower part; during operation, the water blocking soft board 51 rises along with the lifting plate 21, and the soft board spool 52 begins to unreel simultaneously, reach and set for the height after, stop unreeling, the soft board spool 52 can adopt automatic spooler, receive and release the spool structure, this structure also can directly purchase from the market, for example, Shandong Kun Peak electrical technology limited's receipts line product, or search on-line and release the spool rolling axle and all can purchase corresponding product, specific specification is selected according to actual conditions, the producer can set for, the specification is different, the structural reason is the same, realize the automatic rolling after the decline of water blocking soft board 51, avoid water blocking software 51 to take place the extruded problem of fold, simple structure is compact, and the occupation space is little.

The flood control device for the underground garage is mounted in the following mode:

the shape frame 1 is arranged at an entrance of an underground garage, the bottom beam 14 is embedded underground, and the height of the upper part of the shape frame is consistent with that of the ground; the upright posts 15 on two sides are embedded into the walls on two sides; a water-retaining soft plate component 5, a pressing component 3, a supporting component 4 and a lifting component 2 are sequentially arranged on the outline frame 1 from outside to inside; the water immersion detector 62 is placed at a proper position outside the underground garage, is preferably 10-20 mm lower than the inlet of the underground garage, and can be communicated with external flood;

the working process of the flood control device is as follows:

step 1: when the flood comes, the water level rises, the water immersion detector 62 is immersed in the water, and a signal is sent to the computer 61;

step 2: the control program in the computer 61 energizes the lifting motor 26, and the lifting motor 26 rotates when the band-type brake is released, so as to lift the water baffle soft plate 5;

and step 3: the lifting motor 26 is powered off, and the lifting motor is tightly held by a band-type brake;

and 4, step 4: the control program in the computer 61 energizes the compacting motor 37, and the compacting motor 37 rotates while the band-type brake is released, so as to compact the water baffle soft plate 51;

and 5: the pressing motor 37 is powered off, and the pressing motor 37 is tightly clasped by a band-type brake;

step 6: when the water level drops, the water immersion detector 62 floats out of the water surface, and the signal is stopped being sent to the computer 61;

and 7: the control program in the computer 61 energizes the compacting motor 37, and the compacting motor 37 reversely rotates while the band-type brake is released, so that the water retaining soft plate 51 is released;

and 8: the pressing motor 37 is powered off, and the pressing motor is tightly clasped by a band-type brake;

and step 9: the control program in the computer 61 energizes the lifting motor 26, and the lifting motor 26 rotates reversely when the band-type brake is released, so that the water baffle soft plate 5 descends;

step 10: the lifting motor 26 is powered off, and the motor is tightly clasped by a band-type brake.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. Underground garage flood control device, its characterized in that: including appearance frame, lifting unit, manger plate soft board subassembly and control assembly, the fixed setting of appearance frame, the span of appearance frame is not less than the gate width setting of underground garage, the manger plate subassembly includes manger plate soft board and soft board spool, the soft board spool articulates the lower extreme of appearance frame, the lower extreme of manger plate soft board with the cooperation of soft board spool sets up and realizes automatic winding, the upper end of manger plate soft board with lifting unit's upper end is fixed and by the lifting unit drive reciprocates, control assembly monitoring water level and control the lifting unit action.

2. The underground garage flood protection device of claim 1, wherein: the appearance frame is the U-shaped, stand including both ends, the inboard of stand is equipped with vertical recess, with the both ends of lifting unit match the setting, and inboard between two stands is equipped with the crossbeam, and the outside is equipped with compresses tightly the backplate, compress tightly the backplate with be equipped with the clearance between the appearance frame, the upper end that compresses tightly the backplate is equipped with at least one horizontal spout, with the lower extreme of lifting unit matches the setting.

3. The underground garage flood protection device of claim 2, wherein: the quantity of horizontal spout is two at least and the dispersion sets up compress tightly on the backplate, vertical recess sets up centrally on the stand.

4. The underground garage flood protection device of claim 1, wherein: the lifting assembly comprises a lifting plate, a quadrilateral cross expansion bracket and a transverse drive plate, the upper end of the quadrilateral cross expansion bracket is fixedly connected with the lower end of the lifting plate, the quadrilateral cross expansion bracket comprises a quadrilateral structure and a sliding block, the lower end of the quadrilateral structure is connected with the transverse drive plate, the sliding block is U-shaped, the transverse drive plate is arranged in a U-shaped area of the sliding block and is in sliding connection with the U-shaped area, and the transverse drive plate is driven by a gear rack structure to realize transverse movement.

5. The underground garage flood protection device of claim 4, wherein: the lifting assembly comprises an edge-arranged telescopic frame, the edge-arranged telescopic frame is arranged on one side of the quadrilateral crossed telescopic frame, racks in the gear rack structure are arranged on the side face of the transverse driving plate and fixedly connected with the side face of the transverse driving plate, and gears in the gear rack structure are driven to rotate by a lifting motor.

6. The underground garage flood protection device of claim 1, wherein: still including compressing tightly the subassembly, compress tightly the subassembly and include horizontal pressure strip, first horizontal pressure strip and the horizontal drive plate of second, the appearance frame is all arranged in with the horizontal drive plate of first horizontal drive plate, second and compresses tightly between the backplate, and horizontal pressure strip and first horizontal drive plate one side in opposite directions are the zigzag, and horizontal pressure strip and the horizontal drive plate of second are the zigzag in opposite directions, and horizontal pressure strip and back both pass through the contact of the wedge face of sawtooth, the horizontal drive plate of first horizontal pressure strip and second is driven through compressing tightly gear rack structure by the motor.

7. The underground garage flood protection device of claim 6, wherein: the pressing assembly further comprises a vertical pressing plate and a vertical driving plate, the vertical pressing plate and the vertical driving plate are arranged in a longitudinal groove of the appearance frame, the vertical pressing plate is connected with the vertical driving plate through a wedge-shaped surface, the vertical pressing plate is fixedly linked with a transverse pressing plate, and the vertical driving plate is fixedly linked with a first transverse driving plate or a second transverse driving plate.

8. The underground garage flood protection device of claim 1, wherein: still include supporting component, supporting component is including accomodating groove, main stiffener and assisting the stiffener, accomodate the groove and bury in appearance frame below, main stiffener top end fixed connection can go up and down along with it in the lifting plate lower part that promotes the subassembly, the one end of assisting the stiffener articulates on the main stiffener, the other end is relative main stiffener becomes level or vertical state.

9. The underground garage flood protection device of claim 8, wherein: the auxiliary reinforcing rods are positioned on two sides of the main reinforcing rods, two auxiliary reinforcing rods are in a group, and a plurality of groups are arranged on each main reinforcing rod; when descending, main stiffener with assist the stiffener and translate to accomodating the inslot downwards, when assisting the stiffener and getting into and accomodating the groove, around its rotatory 90 degrees of hinged end with main stiffener.

10. The underground garage flood protection device of claim 1, wherein: the control assembly comprises a computer and a water immersion detector, and the computer is in signal connection with the water immersion detector, the lifting assembly and the pressing assembly; the computer is provided with a control program, and the water immersion detector is placed at a proper position outside the underground garage, is lower than the height of an inlet of the underground garage, and can be communicated with external flood.