CN112517364A

CN112517364A - Construction device for bridge construction

Info

Publication number: CN112517364A
Application number: CN202011292079.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qin Fu
Current assignee: Qin Fu
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-03-19

Abstract

The invention relates to the technical field of bridge construction, in particular to a construction device for bridge construction, which comprises a shell, wherein a liquid outlet pipe penetrates through the middle position of the bottom of the shell, a gravel feed inlet penetrates through the middle part of the top end of the shell, a liquid inlet pipe penetrates through the top end of the shell, at least two screening boxes are arranged in the shell, a stirring mechanism is arranged in each screening box, a plurality of uniformly distributed screening holes are formed in the bottom of each screening box and positioned in the shell, the aperture of each screening hole is sequentially reduced from high to low along with the height of each screening box, a effusion discharging mechanism is arranged at the bottom of each screening box and positioned outside the shell, a first notch is formed in one side of the shell, a second notch corresponding to the position of each screening box is formed in one side of the shell far away from the first notch, and a rotating sleeve is fixedly arranged at the bottom of each screening box. The invention overcomes the defect of incomplete sand-stone separation in the prior art, has obvious beneficial effect and is suitable for popularization.

Description

Construction device for bridge construction

Technical Field

The invention relates to the technical field of bridge construction, in particular to a construction device for bridge construction.

Background

The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. Present bridge need use the grit when the construction to each position of bridge need use the grit that the particle size is suitable for, for example the bridge crossbeam position just need use large granule grit, and the bridge road surface then need use little granule grit, need divide the sieve to the grit according to the particle size for this reason current bridge when the construction. When current grit divides sieve device to divide the sieve to the grit, most all divide the sieve through the metal mesh is direct, but because the grit surface is in humid state for a long time, often can glue on the large granule grit and have little granule grit, so current grit divides sieve device after dividing the sieve, the large granule grit that obtains is more, and little granule grit is then few, and partial little granule grit is hidden in the large granule grit, the grit separation is not thorough, for this reason we have designed a construction equipment for bridge construction.

Disclosure of Invention

The invention aims to solve the defect of incomplete sand-stone separation in the prior art, and provides a construction device for bridge construction.

In order to achieve the purpose, the invention adopts the following technical scheme:

the construction device for bridge construction comprises a shell, wherein the shell is a cubic mechanism, the middle position of the bottom of the shell is lower than the two ends of the bottom of the shell, a liquid outlet pipe is arranged at the middle position of the bottom of the shell in a penetrating manner, a gravel feed inlet is arranged at the middle part of the top end of the shell in a penetrating manner, a liquid inlet pipe is arranged at the top end of the shell in a penetrating manner, a sieving box is arranged in the shell, at least two sieving boxes are arranged in the sieving box, a stirring mechanism is arranged in the sieving box, a plurality of uniformly distributed sieve pores are arranged at the bottom of the sieving box and positioned in the shell, the pore diameter of each sieve pore is gradually reduced from high to low along with the height of the sieving box, a liquid loading discharge mechanism is arranged at the bottom of the sieving box and positioned outside the shell, a first notch is arranged at one side of the shell, and a second notch corresponding to the position of the sieving box is arranged at, the bottom of the sieving box is fixedly provided with a rotating sleeve, the inside of the rotating sleeve is rotatably provided with a rotating shaft, two ends of the rotating shaft are fixedly arranged in the first gap, one end of the screening box passes through the first gap, a sand pump is fixedly arranged on the outer side wall of the screening box close to the first gap, a feed inlet of the sand pump is fixedly connected with an L-shaped pipeline, a plurality of branch flow pipes which are distributed at equal intervals are fixedly communicated on the L-shaped pipeline, the branch flow pipes penetrate through the side wall of the screening box and are communicated with the inside of the screening box, a discharge pipe is fixedly connected with a discharge port of the sand pump, a limiting block matched with the screening box is fixedly welded on the inner wall of the shell far away from the first notch, the bottom of the screening box can be supported against the limiting block and the screening box is in a horizontal state at the moment, and an angle adjusting control mechanism is arranged at one end, close to the second notch, of the screening box.

Preferably, toggle mechanism is including rotating the reciprocal screw rod that sets up at branch sieve incasement portion, threaded connection has the stirring board on the outer wall of reciprocal screw rod, the both ends of stirring board and the inner wall sliding contact who divides the sieve case, fixed welding has two smooth square poles on the inner wall of branch sieve case, slide between the both ends of stirring board and the smooth square pole and set up, the fixed welding in bottom of stirring board has the stirring pole that a plurality of equidistance distribute, the stirring pole with divide the inside bottom surface sliding contact of sieve case, the one end that reciprocal screw rod is close to first breach runs through branch sieve case and fixedly connected with motor.

Preferably, hydrops discharge mechanism is including running through the hydrops discharge pipe that sets up in minute sieve bottom of the case portion, the hydrops discharge pipe is in the vertical space that divides the sieve case place all the time, the fixed baffle that is provided with on the inner wall of hydrops discharge pipe, set up a plurality of evenly distributed's hole on the baffle, the fixed adhesion of top surface of baffle has the gauze.

Preferably, angle modulation control mechanism includes that fixed connection is close to the slip telescopic link of second breach one end at the branch sieve case, the one end that slip telescopic link kept away from the branch sieve case is rotated through the pivot base and is connected with square pole, the spout has been seted up on two symmetrical outer walls of square pole, it is provided with the slider to slide in the spout, fixedly connected with backup pad on the slider, the backup pad joint is in the both sides of square pole, the outer wall fixed weld of backup pad and shell, square pole is in vertical state all the time, the bottom fixedly connected with hydraulic telescoping rod of square pole, the slip telescopic link includes slide bar and sliding sleeve, the slide bar slides and sets up in sliding sleeve.

Preferably, the outside of reciprocal screw rod is provided with protector, protector is including the fixed drum that sets up in branch sieve case both sides, the both ends of reciprocal screw rod are rotated and are set up in the plane axle center position department of drum, two fixed welding has the gag lever post with reciprocal screw rod parallel arrangement between the drum, the quantity of gag lever post is a plurality of and waits the outside that the angle encircleed at reciprocal screw rod, the gag lever post runs through and stirs and slide between board and the gag lever post and set up, the outside cover of gag lever post is equipped with two flexible pipes of rubber, the both ends of the flexible pipe of rubber and the plane inner wall fixed connection of stirring board and drum.

Preferably, the bottom of shell is provided with waste water recycle device, waste water recycle device includes the collecting box of fixed welding in the shell bottom, the breach has been seted up at one side top of collecting box, it is provided with the closing plate to slide in the breach, seted up on the closing plate in the collecting box and run through the breach, it has the filter to run through fixed mounting in the breach, clean chamber and muddy chamber are cut apart into with the inside of collecting box to the filter, one side top fixed mounting of collecting box has the water pump, the water inlet fixedly connected with drinking-water pipe of water pump, the lateral wall that the drinking-water pipe runs through the collecting box extends to the inside in clean chamber, the delivery port and the fixed intercommunication of feed liquor pipe of water pump are located bottommost fixedly connected with hose between hydrops.

Preferably, a frame plate is fixedly welded to the top of the collecting box below the accumulated liquid discharge pipe, and a through hole is formed in the top of the collecting box inside the frame plate.

The construction device for bridge construction provided by the invention has the beneficial effects that: the construction device for bridge construction is characterized in that a plurality of sub-screening boxes are arranged inside a shell, the screen hole radiuses of the bottoms of the sub-screening boxes are sequentially reduced along with the heights of the sub-screening boxes from top to bottom, sand can be gradually screened, the sand enters the topmost sub-screening box through a sand feeding hole, cleaning water is added into the topmost sub-screening box through a liquid inlet pipe, a stirring mechanism is arranged in each sub-screening box and can stir the sand in the sub-screening box, small sand adhered to large sand is separated, the small sand and the cleaning water can enter the lower sub-screening box along the screen holes in the bottom of the sub-screening box and can be screened again, after all the sand is screened, the stirring mechanism is closed, the angle of each sub-screening box is adjusted through an angle adjusting control mechanism, and a water source is continuously introduced into the shell through the liquid inlet pipe, so that the sand is gathered towards one side of the sub-screening boxes provided with sand pumps under the impact action of water flow and the action of self gravity, finally, the sand and stones screened in the screening box are pumped out under the action of the sand pump to obtain the screened sand and stones, the defect that sand and stones cannot be separated completely in the prior art is overcome, the sand and stone separating device is obvious in beneficial effect and suitable for popularization.

Drawings

Fig. 1 is a schematic perspective view of a construction apparatus for bridge construction according to the present invention;

fig. 2 is a schematic internal perspective view of a construction apparatus for bridge construction according to the present invention;

fig. 3 is a schematic front sectional view of a construction apparatus for bridge construction according to the present invention;

fig. 4 is a schematic structural view of a three-dimensional first view angle of a screening box of the construction device for bridge construction according to the present invention;

fig. 5 is a schematic structural view of a second perspective view of a screening box of the construction device for bridge construction according to the present invention;

fig. 6 is a schematic front sectional view of a protection device of a construction device for bridge construction according to the present invention;

fig. 7 is a schematic side view of a cross-sectional structure of a protection device of a construction device for bridge construction according to the present invention;

fig. 8 is a schematic sectional view of a effusion discharging mechanism of a construction apparatus for bridge construction according to the present invention;

fig. 9 is a schematic structural view of a sealing plate of a construction apparatus for bridge construction according to the present invention;

fig. 10 is a schematic sectional view of a square bar of a construction apparatus for bridge construction according to the present invention.

In the figure: 1 outer shell, 2 liquid outlet pipes, 3 sandstone feed inlets, 4 liquid inlet pipes, 5 sieving boxes, 6 first gaps, 7 second gaps, 8 rotating sleeves, 9 rotating shafts, 10 sand pumps, 11L-shaped pipelines, 12 branch flow pipes, 13 discharge pipes, 14 limiting blocks, 15 sieve holes, 16 reciprocating screw rods, 17 stirring plates, 18 smooth square rods, 19 stirring rods, 20 motors, 21 accumulated liquid discharge pipes, 22 partition plates, 23 holes, 24 gauze, 25 sliding telescopic rods, 26 square rods, 27 sliding chutes, 28 sliding blocks, 29 supporting plates, 30 sliding rods, 31 sliding sleeves, 32 hydraulic telescopic rods, 33 limiting rods, 34 rubber telescopic pipes, 35 collecting boxes, 36 gaps, 37 sealing plates, 38 penetrating gaps, 39 filtering plates, 40 cleaning cavities, 41 turbid cavities, 42 water pumps, 43 water pumping pipes, 44 hoses, 45 frame plates, 46 penetrating holes and 47 cylinders.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-10, a construction device for bridge construction comprises a housing 1, the housing 1 is a cubic mechanism, the middle position of the bottom of the housing 1 is lower than the two ends of the bottom of the housing 1, a liquid outlet pipe 2 is arranged at the middle position of the bottom of the housing 1 in a penetrating manner, a gravel feed inlet 3 is arranged at the middle part of the top end of the housing 1 in a penetrating manner, a liquid inlet pipe 4 is arranged at the top end of the housing 1 in a penetrating manner, a sieving box 5 is arranged in the housing 1, at least two sieving boxes 5 are arranged in the sieving box 5, a toggle mechanism is arranged in the sieving box 5, a plurality of uniformly distributed sieve pores 15 are arranged at the bottom of the sieving box 5 and in the housing 1, the pore diameter of each sieve pore 15 is gradually reduced from high to low along with the height of the sieving box 5, a effusion discharging mechanism is arranged at the bottom of the sieving box 5 and outside the housing 1, a first notch 6 is arranged at one side of the housing 1, a second notch 7 corresponding, a rotating sleeve 8 is fixedly installed at the bottom of the sub-sieve box 5, a rotating shaft 9 is rotatably arranged in the rotating sleeve 8, two ends of the rotating shaft 9 are fixedly arranged in the first gap 6, a plurality of sub-sieve boxes 5 can synchronously rotate around the rotating shaft 9, one end of each sub-sieve box 5 passes through the first gap 6, a sand pump 10 is fixedly installed on the outer side wall of each sub-sieve box 5 close to the first gap 6, a feed inlet of the sand pump 10 is fixedly connected with an L-shaped pipeline 11, a plurality of branch pipes 12 distributed at equal intervals are fixedly communicated on the L-shaped pipeline 11, the branch pipes 12 penetrate through the side wall of each sub-sieve box 5 and are communicated with the inside of the sub-sieve box 5, a discharge pipe 13 is fixedly connected with a discharge port of the sand pump 10, a limiting block 14 matched with the sub-sieve box 5 is fixedly welded on the inner wall of the shell 1 far away from the first gap 6, the bottom of each sub-sieve box 5 can, the invention is characterized in that one end of the screening box 5 close to the second gap 7 is provided with an angle adjusting control mechanism, a plurality of screening boxes 5 capable of rotating around a rotating shaft 9 are arranged in the shell 1, the radius of screen holes 15 at the bottom of the screening boxes 5 is sequentially reduced from top to bottom along with the height of the screening boxes 5, sand can be progressively screened, the sand firstly enters the topmost screening box 5 through a sand feeding hole 3, cleaning water is added into the topmost screening box 5 through a liquid inlet pipe 4, a stirring mechanism is arranged in the screening boxes 5, the sand in the screening boxes 5 can be stirred, small sand particles adhered to large sand particles are separated, the small sand particles and the cleaning water can enter the lower screening box 5 along the screen holes 15 at the bottom of the screening boxes 5 for secondary screening, and the stirring mechanism is firstly closed after the sand particles are completely screened, the angle of the screening box 5 is adjusted by the angle adjusting and controlling mechanism, so that the screening box 5 is obliquely arranged, one end of the screening box 5 where the sand pump 10 is located is lower, the cleaning water is continuously introduced into the topmost screening box 5 through the liquid inlet pipe 4, sand and stone are gathered towards one side of the screening box 5 where the sand pump 10 is installed under the impact action of water flow and the action of self gravity, and finally sand and stone screened in the screening box 5 are pumped out under the action of the sand pump 10, so that sand and stone after screening are obtained, and the defect that sand and stone separation is incomplete in the prior art is overcome.

Example 2

Referring to fig. 4-7, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the toggle mechanism includes a reciprocating screw 16 rotatably disposed inside the sieving box 5, a toggle plate 17 is threadedly connected to the outer wall of the reciprocating screw 16, both ends of the toggle plate 17 are in sliding contact with the inner wall of the sieving box 5, two smooth square rods 18 are fixedly welded to the inner wall of the sieving box 5, both ends of the toggle plate 17 are slidably disposed between the smooth square rods 18, a plurality of equidistantly distributed toggle rods 19 are fixedly welded to the bottom of the toggle plate 17, the toggle rods 19 are in sliding contact with the inner bottom surface of the sieving box 5, one end of the reciprocating screw 16 near the first gap 6 penetrates through the sieving box 5 and is fixedly connected with a motor 20, only the outside sand can be separated by soaking the sand with cleaning water, and the sand cannot reach the inside of the sand, and a toggle mechanism is required, and at the same time of adding the cleaning water, adopt toggle mechanism to stir the grit for the grit hidden inside can expose, ensure that the grit can thoroughly divide the sieve, open motor 20 and drive reciprocating screw 16 and rotate, because threaded connection has stirring board 17 on reciprocating screw 16, and the both ends of stirring board 17 are spacing under smooth square pole 18's effect, so stirring board 17 can only carry out reciprocating motion in the sieve case 5, stirring board 17 can drive the stirring pole 19 reciprocating motion of fixed connection on stirring board 17 when carrying out reciprocating motion, stirring the grit when stirring pole 19 carries out reciprocating motion, ensure that the grit can completely with wash water contact.

Because the reciprocating screw 16 is exposed outside, but the invention screens the sandstone, the sandstone can easily enter into the thread groove of the reciprocating screw 16, when the stirring plate 17 passes through the thread groove with sandstone, the thread groove can be damaged, therefore, the protection device is needed to be arranged outside the reciprocating screw 16, the protection device comprises cylinders 47 fixedly arranged at two sides of the screening box 5, two ends of the reciprocating screw 16 are rotatably arranged at the plane axis position of the cylinders 47, a limiting rod 33 arranged in parallel with the reciprocating screw 16 is fixedly welded between the two cylinders 47, the limiting rods 33 are in a plurality and surround the outside of the reciprocating screw 16 at equal angles, the limiting rod 33 penetrates through the stirring plate 17 and is arranged between the limiting rod 33 and the stirring plate 17 in a sliding way, two rubber telescopic pipes 34 are sleeved outside the limiting rod 33, two ends of the rubber telescopic pipes 34 are fixedly connected with the plane inner walls of the stirring plate 17 and the cylinders 47, the rubber extension tube 34 is sleeved outside the reciprocating screw 16, the reciprocating screw 16 can be protected, sand is prevented from entering a thread groove to damage threads, the rubber extension tube 34 in a contraction state can enter the cylinder 47 due to the arrangement of the cylinder 47, reciprocating motion of the poking plate 17 in the screening box 5 cannot be influenced, the rubber extension tube 34 can be supported due to the arrangement of the limiting rod 33, and the rubber extension tube 34 cannot be in contact with the reciprocating screw 16.

Example 3

Referring to fig. 1, 2, 3 and 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the angle adjustment control mechanism includes a sliding telescopic rod 25 fixedly connected to one end of the sieving box 5 near the second gap 7, one end of the sliding telescopic rod 25 far from the sieving box 5 is rotatably connected to a square rod 26 through a rotating shaft base, the sliding telescopic rod 25 can only rotate in a vertical plane, two symmetrical outer walls of the square rod 26 are provided with sliding grooves 27, sliding blocks 28 are slidably arranged in the sliding grooves 27, supporting plates 29 are fixedly connected to the sliding blocks 28, the supporting plates 29 are clamped at two sides of the square rod 26, the supporting plates 29 are fixedly welded to the outer wall of the housing 1, the square rod 26 is always in a vertical state under the actions of the supporting plates 29, the sliding blocks 28 and the sliding grooves 27, a hydraulic telescopic rod 32 is fixedly connected to the bottom of the square rod 26, the sliding telescopic rod 25 includes, the sliding rod 30 is arranged in the sliding sleeve 31 in a sliding mode, when the screening box 5 is arranged in an inclined mode, gravel can be gathered to the lowest position of the screening box 5 under the action of water flow impact and self gravity, then the gravel is pumped out by the sand pump 10 to complete discharging operation after screening, if the screening box 5 cannot be arranged in an inclined mode, the gravel in the screening box 5 cannot be completely discharged, when the screening box 5 is controlled to incline, the hydraulic telescopic rod 32 is controlled to extend to enable the hydraulic telescopic rod 32 to push the square rod 26 fixedly connected with the hydraulic telescopic rod 32 to move upwards, when the square rod 26 moves upwards, the sliding telescopic rod 25 rotationally connected with the square rod 26 is driven to move upwards, when the sliding telescopic rod 25 moves upwards, one end of the screening box 5 fixedly connected with the sliding telescopic rod 25 is driven to move upwards, because the screening box 5 can rotate around the rotating shaft 9, when one end of the screening box 5 moves upwards, the screening box 5 begins to incline, the sand starts to accumulate towards the lower part.

In addition, although the sliding telescopic rod 25 is rotatably connected with the square rod 26, the sliding telescopic rod 25 is fixedly connected with the sieving box 5, and the sliding telescopic rod 25 cannot rotate relative to the sieving box 5, so that when the square rod 26 moves upwards, the sliding telescopic rod 25 can move upwards along with the square rod and drive the sieving box 5 to rotate and incline, and the distance and the angle between the sieving box 5 and the square rod 26 can change due to the rotation of the sieving box 5, therefore, the sliding telescopic rod 25 is arranged to deal with the distance change, and the rotating connection between the sliding telescopic rod 25 and the square rod 26 is to deal with the angle change.

Example 4

In embodiment 1, in order to ensure that the sand in the sieve box 5 is completely discharged, the inclination of the sieve box 5 needs to be controlled, but when the sieve box 5 is inclined, part of the washing water which does not pass through the sieve holes 15 can be gathered at the lower part of the sieve box 5, since the part is positioned at the outer part of the housing 1 to ensure that the washing water is not splashed, the sieve holes 15 are not arranged at the lower part, but in order to ensure that the gathered washing water can not be overflowed from the top part of the sieve box 5, a effusion discharging mechanism is arranged at the lower part, so that the gathered washing water can be discharged into the next sieve box 5 through the effusion discharging mechanism, and referring to fig. 3 and 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the effusion discharging mechanism comprises an effusion discharging pipe 21 which penetrates through the bottom part of the sieve box 5, the effusion discharging pipe 21 is always positioned in the vertical space of the sieve box 5, fixed baffle 22 that is provided with on the inner wall of hydrops discharge pipe 21, a plurality of evenly distributed's hole 23 has been seted up on the baffle 22, the fixed adhesion of top surface of baffle 22 has gauze 24, when dividing sieve case 5 slope to set up, hydrops discharge pipe 21 can discharge the washing water of the interior minimum of branch sieve case 5 gathering into the branch sieve case 5 of below, prevent that the washing water of gathering from overflowing from the top of branch sieve case 5, soak motor 20 and the sand pump 10 of branch sieve case 5 external mounting, cause motor 20 and sand pump 10 to damage, the effect of hydrops discharge pipe 21 is mainly the drainage and discharge ponding, gauze 24 does not possess the function of branch sieve grit in addition, only wash water just accessible gauze 24, the bottom of hydrops discharge pipe 21 can be fixed the intercommunication has the rubber hose, ensure that the washing water through hydrops discharge pipe 21 exhaust can enter into the branch sieve case 5 of below completely.

Example 5

In embodiment 1, the cleaning water drops layer by layer along the sieve holes 15 and finally drops to the bottom of the shell 1 and is discharged from the liquid outlet pipe 2 at the bottom of the shell 1, however, if the used cleaning water is directly discharged and is not recycled, the trend of energy conservation and emission reduction of modern society is violated, and the volume of the cleaning water is not reduced after the cleaning water contacts with the sand, and the cleaning water can be recycled, as shown in fig. 1, 2, 3 and 9, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the bottom of the shell 1 is provided with a waste water recycling device, the waste water recycling device comprises a collecting box 35 fixedly welded at the bottom of the shell 1, a notch 36 is opened at the top of one side of the collecting box 35, a sealing plate 37 is slidably arranged in the notch 36, a through notch 38 is opened on the sealing plate 37 in the collecting box 35, and a filter plate 39 is fixedly, the filter plate 39 divides the interior of the collection box 35 into a cleaning cavity 40 and a turbid cavity 41, the sealing plate 37 is arranged in the notch 36 in a sliding manner, so that the sealing plate 37 can be conveniently taken out, the filter plate 39 is replaced, a water pump 42 is fixedly arranged at the top of one side of the collection box 35, a water inlet of the water pump 42 is fixedly connected with a water pumping pipe 43, the water pumping pipe 43 penetrates through the side wall of the collection box 35 and extends into the cleaning cavity 40, a water outlet of the water pump 42 is fixedly communicated with the liquid inlet pipe 4, a hose 44 is fixedly connected between the accumulated liquid discharge pipe 21 at the bottommost part and the collection box 35, the collection box 35 is arranged to collect the cleaning water discharged from the liquid outlet pipe 2, the cleaning water discharged from the accumulated liquid discharge pipe 21 under the action of the hose 44 can also be discharged into the collection box 35, all cleaning water collection operations are completed, enters the shell 1 again through the water pumping pipe 43 and the liquid inlet pipe 4 in sequence and is discharged into the screening box 5 positioned at the topmost part for separating sand and stone.

In addition, a sealing plate 37 is provided in the collection tank 35, and a filter plate 39 is provided on the sealing plate 37, the cleaning water in the collection box 35 can be filtered, so that the cleaning water pumped out from the collection box 35 by the water pump 42 does not contain mud and ash, the cleaning water not only prevents large-particle sand stones and small-particle sand stones from being adhered, but also can perform sand cleaning operation on the sand stones, so that the mud and ash content in the sand stones is reduced, if the content of the sludge ash in the sand stone is high, the viscosity of the sand stone and the concrete is poor, the concrete is easy to crack, and when the cleaning water is recycled, the mud and ash in the cleaning water are gradually filtered by the filter plate 39, the mud and ash in the sand are finally precipitated in the turbid cavity 41, the sand quality is effectively improved, the sand cleaning operation is also performed on the sand while the sand separating operation is completed, and the beneficial effect is obvious.

In the invention, the frame plate 45 is fixedly welded on the top of the collection box 35 below the accumulated liquid discharge pipe 21, the through hole 46 is formed in the top of the collection box 35 inside the frame plate 45, and the purpose of arranging the frame plate 45 is to ensure that a small amount of cleaning water leaked from the screening box 5 can enter the collection box 35 through the through hole 46.

When the cleaning device is used, sufficient cleaning water is firstly added into the collection box 35, the cleaning water can be added through the through hole 46, gravel is then thrown into the topmost screening box 5 through the gravel feeding hole 3 to be accumulated, the water pump 42 is started to add the cleaning water in the collection box 35 into the topmost screening box 5 through the liquid inlet pipe 4, at the moment, the motor 20 is started to drive the reciprocating screw 16 to rotate, the poking plate 17 is connected with the reciprocating screw 16 through threads, two ends of the poking plate 17 are limited under the action of the smooth square rod 18, so that the poking plate 17 can only reciprocate in the screening box 5, the poking plate 17 can drive the poking rod 19 fixedly connected to the poking plate 17 to reciprocate when reciprocating, the gravel can be turned over when the poked rod 19 reciprocates, the gravel can be ensured to be completely contacted with the cleaning water, and small-particle gravel adhered to large-particle gravel can be separated under the action of the cleaning water, the separated small-particle sand and stone and cleaning water can enter the lower-layer screening box 5 along the screen holes 15 at the bottom of the screening box 5 to be screened again, until all the thrown sand and stone are screened, the sand and stone are not transferred among the screening boxes 5, and the cleaning water discharged through the liquid outlet pipe 2 is not turbid, at the moment, the sand washing operation is also finished, at the moment, the motor 20 is firstly turned off, the toggle mechanism stops running, then the hydraulic telescopic rod 32 is controlled to extend, so that the hydraulic telescopic rod 32 pushes the square rod 26 fixedly connected with the hydraulic telescopic rod 32 to move upwards, when the square rod 26 moves upwards, the sliding telescopic rod 25 rotationally connected with the square rod 26 is driven to move upwards, when the sliding telescopic rod 25 moves upwards, one end of the screening box 5 fixedly connected with the sliding telescopic rod 25 is driven to move upwards, because the screening box 5 can rotate around the shaft 9, when one end of the screening box 5 moves upwards, when the hydraulic telescopic rod 32 stops extending after inclining to a preset angle, the inclination angle of the screening box 5 is fixed, the liquid inlet pipe 4 still continuously leads cleaning water into the topmost screening box 5, gravels in the screening box 5 begin to gather towards the lower part of the screening box 5 under the impact action of water flow and the action of self gravity, and finally sands and stones screened in the screening box 5 are pumped out under the action of the sand pump 10, so that the screening and sand washing operations are completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The construction device for bridge construction comprises a shell (1) and is characterized in that the shell (1) is a cubic mechanism, the middle position of the bottom of the shell (1) is lower than the two ends of the bottom of the shell (1), a liquid outlet pipe (2) penetrates through the middle position of the bottom of the shell (1), a sand and stone feeding port (3) penetrates through the middle of the top end of the shell (1), a liquid inlet pipe (4) penetrates through the top end of the shell (1), a screening box (5) is arranged inside the shell (1), the number of the screening boxes (5) is at least two, a stirring mechanism is arranged inside the screening boxes (5), the bottom of the screening box (5) is positioned inside the shell (1) and provided with a plurality of uniformly distributed screen holes (15), and the hole diameters of the screen holes (15) are sequentially reduced from high to low along with the height of the screening boxes (5), the bottom of the screening box (5) is provided with a liquid accumulation discharge mechanism outside the shell (1), one side of the shell (1) is provided with a first notch (6), one side of the shell (1) far away from the first notch (6) is provided with a second notch (7) corresponding to the position of the screening box (5), the bottom of the screening box (5) is fixedly provided with a rotating sleeve (8), the rotating sleeve (8) is internally provided with a rotating shaft (9) in a rotating manner, two ends of the rotating shaft (9) are fixedly arranged in the first notch (6), one end of the screening box (5) penetrates through the first notch (6), a sand pump (10) is fixedly arranged on the outer side wall of the screening box (5) close to the first notch (6), a feed inlet of the sand pump (10) is fixedly connected with an L-shaped pipeline (11), and a plurality of branch flow pipes (12) distributed at equal intervals are fixedly communicated on the L-shaped pipeline (11), the utility model discloses a sand pump, including shell (1), branch flow tube (12) run through the lateral wall that divides sieve case (5) and the inside intercommunication of branch sieve case (5), the discharge gate fixedly connected with discharging pipe (13) of pump (10), fixed welding has stopper (14) that use with branch sieve case (5) cooperation on the inner wall of first breach (6) is kept away from in shell (1), the bottom of dividing sieve case (5) can support to press on stopper (14) and this time sieve case (5) is in the horizontality, the one end that divides sieve case (5) to be close to second breach (7) is provided with angle modulation control mechanism.

2. A construction apparatus for bridge construction according to claim 1, the toggle mechanism comprises a reciprocating screw rod (16) which is rotatably arranged in the sieving box (5), the outer wall of the reciprocating screw (16) is in threaded connection with a toggle plate (17), two ends of the toggle plate (17) are in sliding contact with the inner wall of the sieving box (5), two smooth square rods (18) are fixedly welded on the inner wall of the sieving box (5), the two ends of the poking plate (17) are arranged with the smooth square rod (18) in a sliding way, a plurality of poke rods (19) distributed at equal intervals are fixedly welded at the bottom of the poke plate (17), the poke rod (19) is in sliding contact with the inner bottom surface of the screening box (5), one end of the reciprocating screw (16) close to the first notch (6) penetrates through the sieving box (5) and is fixedly connected with the motor (20).

3. The construction device for bridge construction according to claim 1, wherein the effusion discharging mechanism comprises an effusion discharging pipe (21) penetrating through the bottom of the screening box (5), the effusion discharging pipe (21) is always located in the vertical space of the screening box (5), a partition plate (22) is fixedly arranged on the inner wall of the effusion discharging pipe (21), a plurality of uniformly distributed holes (23) are formed in the partition plate (22), and gauze (24) is fixedly adhered to the top surface of the partition plate (22).

4. The construction device for bridge construction according to claim 1, wherein the angle adjustment control mechanism comprises a sliding telescopic rod (25) fixedly connected to one end of the screening box (5) close to the second notch (7), one end of the sliding telescopic rod (25) far from the screening box (5) is rotatably connected with a square rod (26) through a rotating shaft base, sliding grooves (27) are formed in two symmetrical outer walls of the square rod (26), a sliding block (28) is arranged in the sliding grooves (27) in a sliding manner, a supporting plate (29) is fixedly connected to the sliding block (28), the supporting plate (29) is clamped on two sides of the square rod (26), the supporting plate (29) is fixedly welded to the outer wall of the housing (1), the square rod (26) is always in a vertical state, and a hydraulic telescopic rod (32) is fixedly connected to the bottom of the square rod (26), the sliding telescopic rod (25) comprises a sliding rod (30) and a sliding sleeve (31), and the sliding rod (30) is arranged in the sliding sleeve (31) in a sliding mode.

5. A construction apparatus for bridge construction according to claim 1, a protective device is arranged outside the reciprocating screw (16), the protective device comprises cylinders (47) fixedly arranged at two sides of the screening box (5), two ends of the reciprocating screw (16) are rotatably arranged at the plane axis position of the cylinders (47), a limiting rod (33) which is arranged in parallel with the reciprocating screw (16) is fixedly welded between the two cylinders (47), the limiting rods (33) are multiple and surround the outer part of the reciprocating screw rod (16) at equal angles, the limiting rod (33) penetrates through the shifting plate (17) and is arranged between the limiting rod (33) and the shifting plate (17) in a sliding way, two rubber telescopic pipes (34) are sleeved outside the limiting rod (33), two ends of the rubber extension tube (34) are fixedly connected with the poking plate (17) and the plane inner wall of the cylinder (47).

6. The construction device for bridge construction according to claim 1, wherein the bottom of the housing (1) is provided with a waste water recycling device, the waste water recycling device comprises a collecting box (35) fixedly welded at the bottom of the housing (1), a notch (36) is formed in the top of one side of the collecting box (35), a sealing plate (37) is arranged in the notch (36) in a sliding manner, a through notch (38) is formed in the sealing plate (37) in the collecting box (35), a filtering plate (39) is fixedly arranged in the through notch (38), the filtering plate (39) divides the interior of the collecting box (35) into a cleaning cavity (40) and a turbid cavity (41), a water pump (42) is fixedly arranged at the top of one side of the collecting box (35), and a water inlet of the water pump (42) is fixedly connected with a water pumping pipe (43), the water pumping pipe (43) penetrates through the side wall of the collecting box (35) and extends into the cleaning cavity (40), the water outlet of the water pump (42) is fixedly communicated with the liquid inlet pipe (4), and a hose (44) is fixedly connected between the accumulated liquid discharging pipe (21) at the bottommost part and the collecting box (35).

7. The construction device for bridge construction according to claim 1, wherein a frame plate (45) is fixedly welded on the top of the collection box (35) below the accumulated liquid discharge pipe (21), and a through hole (46) is formed in the top of the collection box (35) inside the frame plate (45).