CN110306737B - Prefabricated bridge concrete placement rain-proof construction equipment - Google Patents

Abstract

The invention provides a precast bridge concrete pouring rainproof construction device which comprises a second pulling plate and a rainproof cover, wherein the second pulling plate is connected with the rain shielding cover; the top intermediate junction of I shape support column has the go-between, and fixed cover has the extension spring on the go-between, the both sides lower extreme of rain shade is equipped with the guiding gutter, and in the rain shade draw-in groove at I shape support column top both ends was gone into to the bottom one end card of guiding gutter, the extension spring hook that I shape support column upper end is connected is on the go-between of rain shade bottom side one end. Connect through arc cardboard structure to two sets of rain covers and assemble, utilize the extension spring hook to hang on the go-between of rain cover bottom side, draw to connect fixedly rain cover, can assemble the connection to two sets of I shape support columns, can splice according to concrete placement's width, thereby make the rain cover after assembling can with concrete placement's length, wide adaptation, the rainwater can flow to rain-proof structure's both ends along the guiding gutter, and carry out rationalization at last in embodiment two and be atomized dust fall and use.

Description

Prefabricated bridge concrete placement rain-proof construction equipment

Technical Field

The invention belongs to the technical field of concrete pouring and rain proofing, and particularly relates to a precast bridge concrete pouring and rain proofing construction device.

Background

Precast concrete is cast elsewhere than at the final construction site. The precast concrete with different sizes and shapes can adopt fibers to enhance the reliability and the toughness after cracking. In recent years, precast concrete has become a new favorite in the construction industry due to its low cost and excellent performance. The wide variety of styles, weights coupled with excellent flexural strength and performance have led to their widespread use in the area of roadblocks, tanks, exterior walls, construction and decoration.

If the application number is: CN201721890323.8 discloses a concrete pouring rainproof canopy, which comprises three rows of rainproof brackets, namely a middle rainproof bracket and two side rainproof brackets, wherein the height of the middle rainproof bracket is greater than that of the side rainproof brackets, an oblique rainproof bracket is connected between the middle rainproof bracket and the two side rainproof brackets, each row of rainproof brackets consists of a plurality of rainproof bracket units, each rainproof bracket unit comprises a bracket base and a bracket frame body, the bracket base is formed by welding two transverse steel bars arranged in parallel transversely and two longitudinal steel bars arranged in parallel longitudinally, the oblique rainproof bracket comprises a plurality of oblique rainproof bracket units, each oblique rainproof bracket unit is formed by welding four steel pipes through steel bars, one end of each steel pipe is connected with the tops of the side rainproof brackets, the other end of each steel pipe is connected with the tops of the middle rainproof brackets, and the upper ends of the oblique rainproof brackets are provided with waterproof canvas, has the advantages of simple structure, convenient installation and use, good rain-proof effect, etc.

At present, concrete placement's area is not fixed, when being rain-proof to concreting, needs to change according to concrete placement's area, and present concrete placement rain insensitive device's structure is more single, can not adjust according to concrete placement's length and width, and secondly, hides rain structural rainwater and flows down along hiding the rain cover at will, forms rivers easily and casts into the impact to concrete placement.

And concrete placement construction finishes the back, can form a large amount of lime dust that are difficult for quick descending in pouring the rain insensitive device, or the dust that the cement foam is the same, only near their natural descending can not reach the purpose of quick dust fall, pours into the mode of dust fall in spraying apparatus to the rain-proof cover device into through a large amount of running water moreover, the water source is wasted.

Disclosure of Invention

In order to solve the technical problems, the invention provides a concrete pouring rainproof construction device for a precast bridge, which aims to solve the problems that rainwater on a rainproof structure can not be adjusted according to the length and width of concrete pouring, the rainwater flows down along a rainproof cover at will, water flow is easy to form to impact concrete pouring, after the concrete pouring construction is finished, a large amount of lime dust which is not easy to fall fast or dust like cement foam can be formed in the pouring rainproof device, the aim of fast dust fall can not be achieved only by natural falling of the lime dust and the cement foam, and water sources are wasted by a mode that a large amount of tap water is injected into spraying equipment to reduce dust in the rainproof cover device.

The purpose and the effect of the precast bridge concrete pouring rainproof construction device can solve the two problems mentioned in the background technology, and the two embodiments are respectively explained to achieve the purpose by adopting a reasonable specific technical means:

a prefabricated bridge concrete pouring rainproof construction device comprises an I-shaped supporting column, a lower inserting block, a lower inserting clamping groove, a rain shade clamping groove, a connecting ring, a tension spring, an inserting cylinder, a through hole, a first pulling plate, a fixing hole, a bolt, a connecting block, an inserting groove, a second pulling plate, a rain shade, an arc-shaped connecting clamping plate, a diversion groove, a diversion frame, a dropping hole, a recovery pipe, a recovery barrel, a first diversion seat, a high-position notch, a second diversion seat, a small water pump, a spray pipe, a flange joint, a spray head and a pull rod; the utility model discloses a rain shade, including I-shaped support column, fixed cover, rain shade, adapter piece, go-between, division ring, extension spring hook, division ring.

From embodiment one:

furthermore, an inserting cylinder is further arranged on one side of the upper end of the I-shaped supporting column, and a penetrating hole in the vertical direction is formed in the inserting cylinder.

Furthermore, one end of the first pulling plate is inserted into the inserting cylinder, and the fixing hole in the first pulling plate and the through inserting hole in the inserting cylinder are located in the same vertical direction.

Furthermore, the upper end of the bolt is of a square structure and is inserted into the through hole and the fixing hole in the first pulling plate and penetrates out of the bottom end of the inserting cylinder to connect the first pulling plate and the inserting cylinder together.

Furthermore, the other end of the first pulling plate is also connected with a connecting ring and a tension spring and inserted into 1/2 on the inner side of the connecting block.

Furthermore, a slot is formed in one side of the connecting block, and the length of the slot is 1/2 the length of the connecting block.

Furthermore, the two ends of the second pulling plate are also respectively connected with a connecting ring and a tension spring, and the two ends of the second pulling plate are respectively clamped into the connecting block through the slots.

Furthermore, the tension springs on the first pulling plate and the second pulling plate are upwards hooked on the connecting ring at the other end of the bottom side of the rain shade.

Furthermore, the inner cambered surface and the outer cambered surface on one end side of the rain shade are respectively connected with an arc-shaped connecting clamping plate.

From example two:

furthermore, two ends of two diversion trenches at the outermost side of the two adjacent rain shields can be further fixed with a first drainage seat by screws, and the first drainage seat is provided with a high-position notch of a rectangular notch structure.

Furthermore, the inner sides of the end heads of the first drainage seats face two places mutually, a diversion frame with a V-shaped chute structure is welded on the inner sides of the end heads of the first drainage seats together in a pipe penetrating mode, the bottom ends of the V-shaped chutes and the diversion frame are provided with drip holes of circular through hole structures downwards, and the bottom ends of the drip holes are connected with a recovery barrel through a recovery pipe in a hanging and pulling mode.

Furthermore, the end of two guiding gutters close to the butt joint mutually in the two adjacent rain shields can also be welded with a second drainage seat with a rectangular pipe head structure, a small water pump is further installed on the top surface of the second drainage seat, and the water supply pipe of the small water pump is connected with the recovery barrel at the position of the bottom side in the adjacent mode.

Furthermore, the top surfaces of the arc-shaped inner cavities of the two adjacent rain shields are vertically provided with pull rods, the spray pipes are hung upwards in a suspended manner through annular pull rings at the bottom ends of the pull rods, and flange joints for lengthening and butting the spray pipes are arranged at the inner ends of the spray pipes.

Furthermore, two rows of atomizing spray heads penetrate through the pipe wall at the bottom side of the spray pipe in an outward-expanding splayed mode, and the spray pipes with the atomizing spray heads are distributed in pairs and are positioned in an arc cover cavity of the rain shade.

The invention at least comprises the following beneficial effects:

the embodiments exhibit the following advantageous effects:

because the arc connection cardboard structure of rain shade one end, consequently accessible arc cardboard structure connects two sets of rain shades and assembles, can splice according to concrete placement's length to block the rain shade to the rain shade draw-in groove in, utilize on I shape support column, first arm-tie and the second arm-tie extension hook hang on the go-between of rain shade bottom side, draw to connect fixedly rain shade.

Secondly, because the inserted blocks and the clamping groove structures at the two ends of the bottom of the I-shaped support column, two groups of I-shaped support columns can be spliced and connected, and can be spliced according to the width of concrete pouring, so that the spliced rain shade can adapt to the length and the width of the concrete pouring.

Secondly, because the diversion trench structures are arranged on the two sides of the bottom end of the rain shield, when rainwater falls onto the rain shield, the rainwater can flow into the diversion trenches along the rain shield and flow out to the two ends of the rain shield along the diversion trenches, so that the rainwater can be collected, and the rainwater is prevented from flowing down from the rain shield at will to cause impact on concrete casting.

In combination with the beneficial effects of the first embodiment, the following beneficial effects are exhibited by the first embodiment:

because the rain shade of the design is provided with the diversion trench structures on the two sides of the bottom end in the first embodiment, rainwater can be guided and flow out, and just because of the point, the design well utilizes the rain diversion trench structures in the second embodiment, and can be used for mounting diversion frames in the form of V-shaped diversion trench structures on the left end and the right end after the rain shade and the diversion trench structures are combined for use, the diversion frames can be used for receiving all the rainwater received in the diversion trenches disclosed in the first embodiment and collecting the received rainwater into the collecting barrels at the vertical hanging and pulling pipes on the two sides, small water pumps are mounted on the diversion seats mounted at the two ends of the diversion trenches, and after being controlled by the external existing electric control assembly, the rainwater collected in the collecting barrels can be lifted to the spray pipes hung and pulled in the rain shade, so that air cement or lime dust which is formed after construction in the bottom space area of the rain shade is finished can be atomized, the collected rainwater can be better utilized.

Drawings

Fig. 1 to 9 are illustrations of drawings of the first embodiment:

FIG. 1 is a schematic view of the structure of the present invention after combined use.

Fig. 2 is an enlarged schematic view of the structure at a of the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is an enlarged schematic view of the invention at B.

Fig. 5 is an enlarged schematic view of the structure at C of the present invention.

Fig. 6 is a schematic view showing a structure of the rain fly of the present invention with the rain fly removed.

Fig. 7 is a schematic view of the assembled and disassembled rain shade of the present invention.

Fig. 8 is a schematic structural view of the second tie rod of the present invention after being removed from the connecting block.

Fig. 9 is a schematic structural view of the first pull rod of the present invention after being removed from the insert cylinder.

Fig. 10 to 15 are illustrations of drawings of the second embodiment:

fig. 10 is a schematic view of the overall structure of the second embodiment.

Fig. 11 is a partial schematic view of fig. 10.

Fig. 12 is a bottom, perspective view of the device of fig. 10.

Fig. 13 is a schematic view showing the arrangement of the nozzles in the second embodiment with the front rain fly removed.

Fig. 14 is a partial structural schematic diagram of the second embodiment.

Fig. 15 is a schematic left-side plan view of the second embodiment.

In the first embodiment, the correspondence between the part names and the reference numbers is as follows:

1. an I-shaped support column; 101. a lower plug-in block; 102. a clamping groove is inserted at the lower part; 103. a rain shade slot; 2. a connecting ring; 3. a tension spring; 4. inserting a cylinder; 401. inserting holes; 5. a first pulling plate; 501. a fixing hole; 6. a bolt; 7. connecting blocks; 701. a slot; 8. a second pulling plate; 9. a rain shade; 901. the arc-shaped connecting clamping plate; 902. and a diversion trench.

In the second embodiment, the correspondence between the component names and the reference numbers is as follows:

10. a flow guiding frame; 1001. a dropping hole; 11. a recovery pipe; 12. a recycling bin; 13. a first drainage seat; 1301. a high-level notch; 14. a second drainage seat; 15. a small-sized water pump; 16. a nozzle; 1601. a flange joint; 17. a spray head; 18. a pull rod.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 to 15:

the invention provides a prefabricated bridge concrete pouring rainproof construction device which comprises an I-shaped supporting column 1, a lower insertion block 101, a lower insertion groove 102, a rain shade groove 103, a connecting ring 2, a tension spring 3, an insertion cylinder 4, a through insertion hole 401, a first pulling plate 5, a fixing hole 501, a bolt 6, a connecting block 7, a slot 701, a second pulling plate 8, a rain shade 9, an arc-shaped connecting clamping plate 901, a diversion trench 902, a diversion frame 10, a dropping hole 1001, a recovery pipe 11, a recovery barrel 12, a first drainage seat 13, an elevated groove opening 1301, a second drainage seat 14, a small water pump 15, a spray pipe 16, a flange joint 1601, a spray head 17 and a pull rod 18, wherein the I-shaped supporting column is provided with a through hole, the lower insertion groove; the both ends of the lower extreme vaulting pole of I shape support column 1 are equipped with down cartridge piece 101 and lower cartridge draw-in groove 102 respectively, and cartridge piece 101 can inlay the dress with cartridge draw-in groove 102 down, the top intermediate junction of I shape support column 1 has go-between 2, and go-between 2 goes up fixed cover has extension spring 3, rain shade 9 is half-cylinder column structure, and the inboard both ends of rain shade 9 also are equipped with go-between 2 respectively, the both sides lower extreme of rain shade 9 is equipped with guiding gutter 902, and in the rain shade draw-in groove 103 of I shape support column 1 top both ends was gone into to the bottom one end card of guiding gutter 902, extension spring 3 hook that I shape support column 1 upper end is connected is to on the go-between 2 of rain shade 9 bottom side one end.

From embodiment one:

wherein, upper end one side of I-shaped support column 1 still is equipped with inserts a section of thick bamboo 4, and inserts and be equipped with the interlude hole 401 of vertical direction on a section of thick bamboo 4, is convenient for insert the one end of first arm-tie 5 and inserts in a section of thick bamboo 4 to usable interlude hole 401 carries out the screens to first arm-tie 5 fixedly.

Wherein, one end of the first pulling plate 5 is inserted into the inserting cylinder 4, and the fixing hole 501 on the first pulling plate 5 and the through hole 401 on the inserting cylinder 4 are located in the same vertical direction, so that the first pulling plate 5 and the inserting cylinder 4 can be connected together by smoothly inserting the bolt 6 into the through hole 401 and the fixing hole 501.

Wherein, the upper end of bolt 6 is square structure and inserts the fixed orifices 501 on wearing hole 401 and the first arm-tie 5 and wear out the bottom of inserting a section of thick bamboo 4 and link together first arm-tie 5, an insert section of thick bamboo 4, be convenient for insert the palm in the square structure of bolt 6 upper end, the convenient operation to bolt 6.

The other end of the first pulling plate 5 is further connected with a connecting ring 2 and a tension spring 3 and inserted into 1/2 on the inner side of the connecting block 7, and the rain shade 9 can be pulled and fixed by using the connecting ring 2 hooked on the other end of the bottom side of the rain shade 9 by the tension spring 3 on the first pulling plate 5.

Wherein, slot 701 has been seted up to one side of connecting block 7, and the length of slot 701 is 1/2 of connecting block 7 length, makes things convenient for second arm-tie 8 to pass through the smooth insertion of slot 701 in connecting block 7 to be connected together through connecting block 7 with first arm-tie 5.

Wherein, also be connected with go-between 2 and extension spring 3 on the both ends of second arm-tie 8 respectively, and in the both ends of second arm-tie 8 blocked the connecting block 7 respectively through slot 701 card, also can utilize extension spring 3 on the second arm-tie 8 to couple go-between 2 on the bottom side of the rain shade 9, draw admittedly to the rain shade 9.

Wherein, the 3 up couples of extension spring on first arm-tie 5 and the second arm-tie 8 are on the go-between 2 of the other end of rain shade 9 bottom side, and when clamping rain shade 9 at two sets of I shape support columns 1 or rain shade 9 clamp on I shape support column 1 through the combination after, through 3 couples of extension spring on the go-between 2 of rain shade 9 bottom side, draw solid rain shade 9, prevent that the both ends or the middle part of rain shade 9 from taking place to break away from with I shape support column 1.

Wherein, be connected with arc connection cardboard 901 on the interior extrados of the one end side of rain shade 9 respectively, usable arc is connected cardboard 901 card and is gone into on another group's rain shade 9 to can splice two sets of rain shades 9, can adjust the change according to concrete placement's length.

The first embodiment has the following specific use and functions:

according to the invention, I-shaped supporting columns 1 are respectively placed and fixed at two ends of poured concrete according to the length of the poured concrete, then first pulling plates 5 are inserted into inserting cylinders 4, bolts 6 are inserted into inserting holes 401 and fixing holes 501 and penetrate out of the bottom ends of the inserting cylinders 4 to connect the first pulling plates 5 and the inserting cylinders 4 together, then one ends of connecting blocks 7 are inserted at the other ends of the first pulling plates 5, the first pulling plates 5 are inserted into 1/2 positions in the connecting blocks 7, then two ends of second pulling plates 8 are respectively clamped into the connecting blocks 7 through inserting grooves 701, arc-shaped connecting clamping plates 901 on the inner and outer cambered surfaces of one end sides of rain shields 9 are clamped into another group of rain shields 9, the rain shields 9 are spliced, then the spliced rain shields 9 are respectively clamped into rain shield clamping grooves 103 on the I-shaped supporting columns 1, and the I-shaped supporting columns 1, the connecting plates and the connecting plates are respectively used, The tension springs 3 connected to the first pull plate 5 and the second pull plate 8 are hooked on the connecting rings 2 at the bottom sides of the rain shields 9, the rain shields 9 are fixedly pulled, then the I-shaped support columns 1 at the two ends are sequentially spliced, connected and fixed according to the width of concrete pouring, the transverse width of the whole connected I-shaped support column 1 is larger than the width of the concrete pouring, the first pull plate 5 and the second pull plate 8 are sequentially connected and fixed, and the tension springs 3 are hooked on the connecting rings 2 at the bottom sides of the rain shields 9, so that rain shielding can be performed on the whole concrete pouring, when rainwater falls onto the rain shields 9, the rainwater can flow into the diversion trenches 902 along the rain shields 9 and can flow out to the two ends of the rain shields 9 along the diversion trenches 902, the rainwater can be collected, and the rainwater is prevented from flowing down from the rain shields 9 to cause random impact on the concrete pouring.

From example two:

wherein, the both ends of two guiding gutters 902 of two said rain shade 9 outmost that face mutually can also the fix with screw have first drainage seat 13, and set up the elevated notch 1301 of rectangle notch structure on this first drainage seat 13, and first drainage seat 13 has outwards lengthened the length of two guiding gutters 902 in the outmost to outwards draw the rainwater of connecing, and spill the rainwater downwards through the elevated notch 1301 of rectangle notch structure.

Wherein, face two mutually the inboard pipe of first drainage seat 13 end is worn to weld jointly still has a water conservancy diversion frame 10 of a V font chute structure, and sets up the drip hole 1001 of circular through-hole structure downwards in their V-arrangement groove bottom, and all still hangs through a welded recovery tube 11 in the bottom of drip hole 1001 and draws and be connected with a recycling bin 12, just in time face the above-mentioned rainwater that two first drainage seats 13 of department outwards draw forth mutually and collect, finally fall into recycling bin 12 through the drip hole with the rainwater of collecting so that for reserve 1001.

Wherein, face two the inboard two guiding gutters 902's of pressing close to the butt joint of rain shade 9 the end of two mutually all still can weld the second drainage seat 14 of a rectangular pipe head structure mutually, the rainwater that two guiding gutters 902 of butt joint were pressed close to mutually to inboard is with same mode downwardly introduced the recycling bin 12 in for reserve, and all still install a small-size water pump 15 on the top surface of second drainage seat 14, and small-size water pump 15's upper hose all with face the recycling bin 12 realization pipe connection of bottom side position department mutually, small-size water pump 15 realizes electric control with the outside supporting electric cabinet that has now and is connected, can upwards raise the rainwater of collecting in the recycling bin 12 and come out.

Wherein, the top surfaces of the arc-shaped inner cavities of the two adjacent rain shields 9 are also vertically provided with a pull rod 18, and the spray pipes 16 are hung upwards in a suspended manner through the annular pull rings at the bottom ends of the pull rods 18, and the inner ends of the spray pipes 16 are also provided with flange joints 1601 for lengthening and butting the spray pipes, and the outermost ends of the spray pipes 16 are also connected with the water outlets of the small-sized water pumps 15 through pipelines, that is, the rainwater pumped upwards from the recovery bucket 12 by the small-sized water pumps 15 can be injected into the corresponding spray pipes 16 through the pipelines, and the flange joints 1601 of the spray pipes 16 are used for butting the spray pipes 16 hung in the rain shields 9 in the length direction.

Wherein, it has two rows of atomizer 17 all to run through to be the splayed form pattern that expands outward on the bottom side pipe wall of spray tube 16, these spray tubes 16 that have atomizer 17 are two liang of patterns that distribute, lie in the arc cover chamber of rain cover 9, form one and lie in the inside water spray mechanism of rain cover 9, the rainwater that upwards raises out in recovery bucket 12 of above-mentioned small-size water pump 15 gets into spray tube 16, and can spray the atomizer 17 of large tracts of land atomizing water outward through splayed arrangement, canopy formula rain cover 9 that is used as rain cover among the original cement pouring operation process has carried out the function reinforcement, the cement soil dust that produces in the air of locating in rain cover 9 inner zone after making the operation finish carries out dust fall atomization, one embodies and can be used for rain cover, secondly can collect the rainwater, exert maximum utilization value with the rainwater, environmental protection and energy saving.

The second embodiment has the following specific use and functions:

with the combination of the first embodiment and the second embodiment, the rain-sheltering functional structure is further functionally enhanced, and the rain-sheltering functional characteristic of the rain-sheltering cover 9 is utilized, and the end parts of the diversion trenches 902 used for guiding rainwater on the two sides of the rain-sheltering cover 9 are provided with the diversion frame 10 of the V-shaped frame structure, so that all rainwater finally discharged outside the diversion trenches 902 is downwards connected into the diversion frame 10 and collected into the bottom recovery tank 12 through the ground V-shaped groove cavity structure, and because the small water pump 15 for pumping is arranged at the region position of the diversion trench 902 on the inner side, the small water pump 15 is controlled by the external existing internal components of the electric control cabinet, rainwater which can be upwards pumped out from the recovery tank 12 enters the spray pipe 16, and the spray pipe 16 which is hoisted in the rain-sheltering cover 9 is utilized to atomize and spray the rainwater outwards by the atomizing spray nozzles 17 which are arranged in a splayed shape and can atomize and spray water in large area, canopy formula rain shade 9 that is used as rain shade among the operation process of original cement pouring has carried out the function enhancement, and the cement soil dust that makes the operation finish the back and lie in the air of rain shade 9 internal region and produce carries out atomizing dust fall and handles, embodies to be used for rain shade, secondly can collect the rainwater, exerts the maximum value of utilizing the rainwater, environmental protection and energy saving.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (9)

1. The utility model provides a rain-proof construction equipment of precast bridge concrete placement which characterized in that: the device comprises an I-shaped supporting column (1), a lower insertion block (101), a lower insertion clamping groove (102), a rain shield clamping groove (103), a connecting ring (2), a tension spring (3), an insertion cylinder (4), a through hole (401), a first pulling plate (5), a fixing hole (501), a bolt (6), a connecting block (7), a slot (701), a second pulling plate (8), a rain shield (9), an arc-shaped connecting clamping plate (901), a diversion trench (902), a diversion frame (10), a drip hole (1001), a recovery pipe (11), a recovery barrel (12), a first drainage seat (13), an elevated notch (1301), a second drainage seat (14), a small water pump (15), a spray pipe (16), a flange joint (1601), a spray head (17) and a pull rod (18); the utility model discloses a rain shade, including I-shaped support column (1), the both ends of the lower extreme vaulting pole of I-shaped support column (1) are equipped with down cartridge piece (101) and lower cartridge draw-in groove (102) respectively, and cartridge piece (101) can inlay the dress with lower cartridge draw-in groove (102) down, the top intermediate junction of I-shaped support column (1) has go-between (2), and go-between (2) go up fixed cover have extension spring (3), rain shade (9) are half cylinder column structure, and the inboard both ends of rain shade (9) also are equipped with go-between (2) respectively, the both sides lower extreme of rain shade (9) is equipped with guiding gutter (902), and the bottom one end card of guiding gutter (902) is gone into in rain shade draw-in groove (103) at I-shaped support column (1) top both ends, extension spring (3) hook that I-shaped support column (1) upper end is connected is on go-.

2. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: one side of the upper end of the I-shaped supporting column (1) is further provided with an inserting cylinder (4), and an inserting hole (401) in the vertical direction is formed in the inserting cylinder (4).

3. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: one end of the first pulling plate (5) is inserted into the inserting cylinder (4), and a fixing hole (501) in the first pulling plate (5) and a through inserting hole (401) in the inserting cylinder (4) are positioned in the same vertical direction; the other end of the first pulling plate (5) is also connected with a connecting ring (2) and a tension spring (3) and inserted into 1/2 on the inner side of the connecting block (7); the tension springs (3) on the first pulling plate (5) and the second pulling plate (8) are upwards hooked on the connecting ring (2) at the other end of the bottom side of the rain shade (9).

4. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: the upper end of the bolt (6) is of a square structure and is inserted into the through hole (401) and the fixing hole (501) on the first pulling plate (5) and penetrates out of the bottom end of the inserting cylinder (4) to connect the first pulling plate (5) and the inserting cylinder (4) together.

5. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: a slot (701) is formed in one side of the connecting block (7), and the length of the slot (701) is 1/2 of the length of the connecting block (7).

6. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: the two ends of the second pulling plate (8) are also respectively connected with a connecting ring (2) and a tension spring (3), and the two ends of the second pulling plate (8) are respectively clamped into the connecting blocks (7) through the slots (701).

7. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: the inner cambered surface and the outer cambered surface of one end side of the rain shade (9) are respectively connected with an arc-shaped connecting clamping plate (901); two ends of two diversion trenches (902) at the outermost sides of two adjacent rain shelters (9) are fixed with a first drainage seat (13) through screws, and the first drainage seat (13) is provided with a high-position notch (1301) with a rectangular notch structure; the ends of two adjacent guide grooves (902) close to and butted with the inner sides of two adjacent rain shields (9) are respectively welded with a second drainage seat (14) with a rectangular pipe head structure, the top surfaces of the second drainage seats (14) are respectively provided with a small water pump (15), and the water feeding pipe of each small water pump (15) is connected with the recovery barrel (12) at the position adjacent to the bottom side through a pipeline; the top surfaces of the arc-shaped inner cavities of the two adjacent rain shields (9) are vertically provided with a pull rod (18), the spray pipes (16) are hung upwards in a suspended manner through annular pull rings at the bottom ends of the pull rods (18), and the inner ends of the spray pipes (16) are provided with flange joints (1601) for lengthening and butting the spray pipes.

8. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: the inner sides of the ends of the first drainage seats (13) are connected with a diversion frame (10) of a V-shaped chute structure through pipe penetration welding, the bottom ends of the V-shaped chutes are provided with drip holes (1001) of a circular through hole structure downwards, and the bottom ends of the drip holes (1001) are connected with a recovery barrel (12) through a recovery pipe (11) in a welding manner.

9. The precast bridge concrete pouring rainproof construction device as recited in claim 1, wherein: two rows of atomizing spray heads (17) penetrate through the pipe wall at the bottom side of the spray pipe (16) in an outward-expanding splayed mode, and the spray pipes (16) with the atomizing spray heads (17) are distributed in pairs and are positioned in an arc cover cavity of the rain shade (9).

Images