CN206492328U - Building engineering construction building site spray dust system - Google Patents

Abstract

Building engineering construction building site spray dust system, including the cyclic track being laid on the ground of construction site, cyclic track are provided with the spray vehicle that can be advanced along cyclic track, and construction site ground is provided with the tank of adjacent cycle track.The utility model compact conformation, easy to operate, good airproof performance, safe and reliable, automaticity are high, spray dust is carried out to the airborne dust in construction site using waste water, good working environment is created for workman, and maintains The Surroundings in Cities, with higher application value.

Description

Building engineering construction building site spray dust system

Technical field

The utility model belongs to building engineering construction environmental protection technical field, and in particular to a kind of building engineering construction work Ground spray dust system.

Background technology

The continuous quickening built with urban modernization, inevitably occurs in that substantial amounts of construction site in city, Various construction sites cause the influence of very severe to surrounding environment, and what is stood in the breach is exactly dust pollution.In construction site Substantial amounts of dust will be produced, it flies upward everywhere if left, a thick layer dust will be coverd with to whole city；Moreover, Among these dust, have again and substantial amounts of belong to harmful material, it will the health to city dweller is impacted.Mesh Before, the fixation wind spraying aid type depositing dust spraying machine that construction site is used is not that, directly against job site, water mist spray point is high Low to rise and fall greatly, Density inhomogeneity, area coverage is small, and must have special messenger's Operation and Maintenance, costly, and many need to be purchased simultaneously It can meet and use, disposably input is big for equipment；And running water is utilized, cost is very high.Further, since when architectural engineering continues Between it is longer, construction site area is larger, and ground is ups and downs, a certain fixed location set atomizing de-dusting effect very It is micro-.

Utility model content

The utility model in order to solve weak point of the prior art there is provided a kind of cost is low, area coverage big, can be The building engineering construction building site spray dust system of construction site automatic cycle spray dust.

In order to solve the above technical problems, the utility model is adopted the following technical scheme that：Building engineering construction building site spray drop Dirt system, including the cyclic track being laid on the ground of construction site, cyclic track are provided with the spray that can be advanced along cyclic track Car is drenched, construction site ground is provided with the tank of adjacent cycle track；

Spray vehicle includes vehicle frame, and vehicle frame is provided with outer case, and bottom of frame is connected to and followed provided with motor reducer and rolling Four wheels on loop orbit, motor reducer is connected by tape handler with one or two wheel drive, in outer case Provided with storage tank, filter, suction pump and pure water tank, provided with the intake pump supplied water into storage tank, intake pump at the top of storage tank Water inlet be connected with stretch out outer case oral siphon, connected, set in storage tank by water inlet pipe between storage tank and filter Have the screen pack at the import positioned at water inlet pipe, suction pump is located on water inlet pipe, water inlet pipe is provided with water intaking valve, filter with it is pure Connected between water tank by outlet pipe, outlet pipe is provided with the top of outlet valve, pure water tank to be connected with feed pipe, feed pipe and connected There is the high-pressure hydraulic pump being located at the top of pure water tank；

Filter includes the container that external form is in rectangular shape, and container inner wall offers annular groove, and container top is offered The opening of connection corresponding with annular groove, is inserted with into annular groove by opening cavity being separated into mixed water cavity and clear water chamber Filter, one end top is provided with the mixed water inlet for connecting water inlet pipe with mixed water cavity, and container other end top is provided with to go out The clear water output that water pipe is connected with clear water chamber, container inner wall is provided with positioned at filter both sides and is in cross support frame, holds Pressing plate is connected with by fastening bolt at the top of device, pressing plate lower surface be provided with indent, opening reached provided with top it is close in indent Cushion block, cushion block lower surface and sealing strip upper surface press fit are provided with strip of paper used for sealing, indent；The eyelet of screen pack is more than filter Eyelet；

Support frame is provided with the top of outer case, outer case sidepiece, which is provided with the top of chamber door, support frame, is provided with mounting cylinder, installs The center line of cylinder is arranged in vertical, connecting provided with top chock, step, motor and rotatory sealing in mounting cylinder Be correspondingly arranged above and below connection device, top chock and step, in top chock and step respectively by clutch shaft bearing and Second bearing is rotatably connected to Hollow Transmission Shafts, and Hollow Transmission Shafts outer wall key is connected between top chock and step Driven gear, the spindle drive of motor is connected with driving gear, and driving gear is engaged with driven gear, Hollow Transmission Shafts Connection slotted eye is offered at upper end center；Hollow Transmission Shafts upper end is provided with the rotating jet device being located above mounting cylinder；Rotation Sealing and connecting device upper end and the coaxial fixation in Hollow Transmission Shafts lower end are simultaneously tightly connected, and rotatory sealing attachment means lower end is with supplying The delivery port fixed seal connection of water pipe.

Rotatory sealing attachment means include the cylinder being arranged in vertical, and cylinder is fixed in mounting cylinder, cylinder Coaxial in vivo to be provided with hollow rotary shaft, hollow rotary shaft top is rotatably connected on cylinder by 3rd bearing and fourth bearing It is interior, the annular housing being located between 3rd bearing and fourth bearing, hollow rotary shaft are formed between cylinder and hollow rotary shaft Bottom is arranged with bearing trim ring, and the first sealing ring, bearing pressure are provided between bearing trim ring upper inside wall and hollow rotary shaft outer wall Circle is internal to form the permeable chamber being located at below the first sealing ring between hollow rotary shaft, and bearing trim ring outer wall is provided with annular groove, Level is communicated with the water-permeable passage of permeable chamber and annular groove in bearing trim ring, is set between bearing trim ring outer wall and cylinder inwall Have and detachable water flowing sealing structure is provided with the first O-ring positioned at upside of the ring groove, cylinder lower port, detachable water flowing is close Seal structure upper end coordinates with bearing trim ring lower surface top pressure, and the delivery port of detachable water flowing sealing structure lower end and feed pipe is fixed It is tightly connected；Cylinder upper port is threaded with fastening silk braid, and upper fastening silk braid lower end is matched somebody with somebody with top pressure at the top of 3rd bearing Close, the second sealing ring is provided between upper fastening silk braid inwall and hollow rotary shaft outer wall；

Hollow rotary shaft upper end is stretched out cylinder and extend into connection slotted eye, and hollow rotary shaft upper end passes through jointing clip With Hollow Transmission Shafts lower end is coaxial is tightly connected, the centre bore of hollow rotary shaft and the centre bore of Hollow Transmission Shafts are corresponded to up and down Insertion.

Detachable water flowing sealing structure includes lower contact, and lower contact outer wall thread is connected with lower fastening silk braid, lower fastening silk Set outer wall is connected with cylinder inner thread, and the lower annular table coordinated with lower fastening silk braid lower end top pressure is provided with outside lower contact Rank, lower contact upper end be provided with bearing trim ring lower surface top pressure coordinate upper ring-shaped step, lower contact lower end center offer with Blasthole and pilot hole are provided with the connector of feed pipe upper end connection, lower contact, blasthole lower end and upper end are respectively with being connected Mouth is connected with pilot hole, and the internal diameter of blasthole is less than the internal diameter of pilot hole, and hollow rotary shaft bottom is extend into through bearing trim ring In pilot hole, bearing trim ring bottom is provided with the gland extending into pilot hole, and the lower surface of gland is less than under hollow rotary shaft End face, gland inwall and hollow rotary shaft wall contacts, gland outer wall are contacted with pilot hole inwall, hollow rotary shaft outer wall and dress Distribution inwall is filled with the outside of the filling sealing ring being located at below gland, filling sealing ring lower potion and is provided between pilot hole inwall The gland being located at below hollow rotary shaft is provided with second O-ring, pilot hole, gland bottom is communicated with pilot hole and blasthole Through hole, gland upper end coordinates with filling sealing ring lower end top pressure, and gland lower end coordinates with pilot hole bottom interior wall top pressure.

Cylinder is externally provided with weeper and lubrication hole, and weeper connection corresponding with annular groove, lubrication hole connects with annular housing It is logical, plug is provided with lubrication hole.

Rotating jet device includes inner hollow and rotating disk in disk form, and disk lower surface center is provided with connecting seat, Connecting seat be provided with the connecting hole that connect inside rotating disk, Hollow Transmission Shafts upper end extend into connecting hole it is interior and with connecting seat screw thread It is tightly connected, the external peripheral surface of rotating disk is uniformly provided with least four high-pressure nozzles, and the injection direction of high-pressure nozzle is tilted upward Set.

Using above-mentioned technical proposal, the waste water among rain or building site, motor reducer driving are stored in tank Wheel along cyclic track advance to beside tank when, oral siphon is extend into the underwater of tank, intake pump is opened, will store up Water in pond is extracted into storage tank, and the water in storage tank is more muddy, in order to avoid blocking high-pressure nozzle, extends high-pressure nozzle Service life, it is necessary to the water purification filter in storage tank be handled, specific purification filtering process is：Suction pump is opened, is drawn water Pumping takes the muddy water of storage in storage tank to first pass through after the preliminary filtering of screen pack, then is entered through water inlet pipe in filter, clearly Water is filtered by filter rear impurity, and the aperture of filter is 0.25mm, and water purification is entered in pure water tank.When on filter After the impurity of attachment is more, back out fastening bolt, pressing plate and cushion block is removed, pluck out sealing strip, using hook by filter from Extracted out in annular groove, then replace with new filter, then seal fastening.Cross support frame, which is played, prevents hydraulic pressure from will filter Plate, which is pressed into concave structure, makes filter detach annular groove.

Water is during purification filtering, and spray vehicle is advanced on cyclic track, while opening high-pressure hydraulic pump, extracts pure water tank Interior clear water, the hollow rotary shaft that water under high pressure enters in rotatory sealing attachment means through feed pipe, then through Hollow Transmission Shafts, finally Into in rotating disk, made water fogging ejection water under high pressure by high-pressure nozzle；Simultaneously motor by driving gear rotational action Driven gear is passed to, driven gear drives Hollow Transmission Shafts to rotate, and passes through connection between Hollow Transmission Shafts and hollow rotary shaft Clip is sealedly and fixedly connected, and the rotation of rotating disk, the water under high pressure for rotating to be high-pressure nozzle ejection of rotating disk are realized while sealing Inertia is further improved, along with the injection direction of high-pressure nozzle tilts upward setting, so the radius of injection can be made bigger.

The operation principle of rotatory sealing attachment means in the utility model is：Water under high pressure enters lower contact through feed pipe Blasthole, then sequentially pass through through hole, pilot hole, enter in Hollow Transmission Shafts in hollow rotary shaft；Because through hole internal diameter is small In blasthole internal diameter, in the presence of High-Pressure Water, gland is sealed by the upward thrust of High-Pressure Water, gland upper end to filling Circle extruding, extruding force is delivered on the second O-ring, and the second O-ring is deformed playing sealing function, and the second O-ring is Made by special substance；Make filling sealing ring and hollow rotary shaft tight fit, High-Pressure Water flows out through hollow rotary shaft, hollow rotation Rotating shaft at filling sealing ring cooperation with, using special process processing, so as to the frictional force for reducing it with filling sealing ring, filling close Seal is made using special substance；Hollow rotary shaft is arranged in cylinder by 3rd bearing and fourth bearing, outside The lower hollow rotary shaft of power effect can be rotated；And 3rd bearing and fourth bearing need lubrication in use, pass through cylinder The lubrication hole addition lubricating oil that body is provided with can lubricate bearing, and the first O-ring and the second sealing ring are used to stop that lubricating oil is let out Dew；Bearing trim ring upper surface compresses fourth bearing, and bearing trim ring endoporus is slidably matched with hollow rotary shaft, at the top of bearing trim ring Support set is used to support filling sealing ring, and bearing trim ring is made using special substance, to reduce itself and hollow rotary shaft Frictional force.

When leak occurs in the detachable water flowing sealing structure in rotatory sealing attachment means, that is, fill sealing ring and second O-ring is damaged, and water under high pressure can enter permeable intracavitary along hollow rotary shaft surface, and pass through water-permeable passage, annular groove and drop Flow out cylinder in water hole；Water under high pressure penetrates into bearing trim ring upper surface along pilot hole inwall, then through cylinder inwall stream Enter to weeper.If weeper water outlet, it is necessary to the lower fastening silk braid of dismounting, filling sealing ring and the second O-ring are carried out more Change.First O-ring, which is played, prevents water from entering in 3rd bearing and fourth bearing.

Rotatory sealing attachment means realize the connection between fixed high-pressure water pipe and the Hollow Transmission Shafts rotated at a high speed, and Good sealing function is played, rotation and sealedly requirement under high pressure conditions is met.

In summary, the utility model compact conformation, easy to operate, good airproof performance, safe and reliable, automaticity are high, Spray dust is carried out to the airborne dust in construction site using waste water, is that workman creates good working environment, and maintain city Environment, with higher application value.

Brief description of the drawings

Fig. 1 is floor plan of the present utility model

Fig. 2 is the structural representation of spray vehicle in Fig. 1；

Fig. 3 is the structural representation of filter in Fig. 2；

Fig. 4 is the enlarged drawing at A in Fig. 2；

Fig. 5 is the structural representation of rotatory sealing attachment means in Fig. 4；

Fig. 6 is the structural representation of Fig. 5 axis bearing rings.

Embodiment

As shown in figs 1 to 6, building engineering construction building site spray dust system of the present utility model, including be laid on building Cyclic track 30 on the ground of building site, cyclic track 30 can be laid in the suitable location in construction site, can realize insertion circulating It is dynamic.Cyclic track 30 is provided with the spray vehicle 102 that can be advanced along cyclic track 30, and construction site ground is provided with neighbouring follow The tank 31 of loop orbit 30.

Spray vehicle 102 includes vehicle frame 32, and vehicle frame 32 is provided with outer case 33, and the bottom of vehicle frame 32 is provided with the He of motor reducer 34 Four wheels 35 being connected on cyclic track 30 are rolled, motor reducer 34 passes through tape handler and one or two wheel Storage tank 36, filter 37, suction pump 38 and pure water tank 39 are provided with 35 drive connections, outer case 33, the top of storage tank 36 is set The intake pump 40 supplied water in oriented storage tank 36, the water inlet of intake pump 40 is connected with the oral siphon 41 for stretching out outer case 33, storage Connected between water tank 36 and filter 37 by water inlet pipe 42, the filtering at the import of water inlet pipe 42 is provided with storage tank 36 Net 43, suction pump 38 is located on water inlet pipe 42, and water inlet pipe 42 is provided with water intaking valve 44, passes through between filter 37 and pure water tank 39 Outlet pipe 45 is connected, and outlet pipe 45 is provided with outlet valve 46, and the top of pure water tank 39 is connected with feed pipe 47, feed pipe 47 and connected There is the high-pressure hydraulic pump 48 for being located at the top of pure water tank 39.

Filter 37 includes the container 49 that external form is in rectangular shape, and the inwall of container 49 offers annular groove, and container 49 is pushed up Portion offers the opening of connection corresponding with annular groove, is inserted with by opening into annular groove cavity being separated into mixed water cavity 50 With the filter 52 of clear water chamber 51, one end top of container 49 is provided with the mixed water inlet 53 for connecting water inlet pipe 42 with mixed water cavity 50, The other end top of container 49 is provided with the clear water output 54 for connecting outlet pipe 45 with clear water chamber 51, and the inwall of container 49, which is provided with, to be located at Both sides of filter plate 52 and be in cross support frame 55, the top of container 49 is connected with pressing plate 57, pressing plate 57 by fastening bolt 56 Lower surface is provided with the sealing strip 58 reached in indent, opening provided with top in indent, indent and is provided with cushion block 59, the following table of cushion block 59 Face and the upper surface press fit of sealing strip 58；The eyelet of screen pack 43 is more than the eyelet of filter 52；

The top of outer case 33 is provided with support frame 60, and the sidepiece of outer case 33 is provided with chamber door, and the top of support frame 60 is provided with peace Fitted tube 61, the center line of mounting cylinder 61 is arranged in vertical, in mounting cylinder 61 provided with top chock 62, step 63, Motor 64 and rotatory sealing attachment means 65, top chock 62 and step are correspondingly arranged about 63, top chock 62 With Hollow Transmission Shafts 68, Hollow Transmission Shafts are rotatably connected to by clutch shaft bearing 66 and second bearing 67 respectively in step 63 68 outer wall keys are connected with the driven gear 69 between top chock 62 and step 63, the spindle drive of motor 64 Driving gear 70 is connected with, driving gear 70 is engaged with driven gear 69, connection is offered at the upper end center of Hollow Transmission Shafts 68 Slotted eye；The upper end of Hollow Transmission Shafts 68 is provided with the rotating jet device for being located at the top of mounting cylinder 61；In rotatory sealing attachment means 65 End is with the coaxial fixation in the lower end of Hollow Transmission Shafts 68 and being tightly connected, and the lower end of rotatory sealing attachment means 65 goes out with feed pipe 47 Mouth of a river fixed seal connection.

Rotatory sealing attachment means 65 include the cylinder 71 being arranged in vertical, and cylinder 71 is fixed on mounting cylinder 61 Interior, coaxial in cylinder 71 to be provided with hollow rotary shaft 72, the top of hollow rotary shaft 72 passes through 3rd bearing 73 and fourth bearing 74 are rotatably connected in cylinder 71, are formed between cylinder 71 and hollow rotary shaft 72 and are located at 3rd bearing 73 and fourth bearing Annular housing 75 between 74, the bottom of hollow rotary shaft 72 is arranged with bearing trim ring 76, the upper inside wall of bearing trim ring 76 with it is hollow The first sealing ring 77 is provided between the outer wall of rotary shaft 72, is formed between the inside of bearing trim ring 76 and hollow rotary shaft 72 and is located at first The permeable chamber 78 of the lower section of sealing ring 77, the outer wall of bearing trim ring 76 is provided with level in annular groove 79, bearing trim ring 76 and is communicated with The water-permeable passage 80 of water cavity 78 and annular groove 79, is provided between the outer wall of bearing trim ring 76 and the inwall of cylinder 71 and is located at annular groove 79 It is provided with first O-ring 81 of top, the lower port of cylinder 71 in detachable water flowing sealing structure, detachable water flowing sealing structure End coordinates with the lower surface top pressure of bearing trim ring 76, detachable water flowing sealing structure lower end and the delivery port fixing seal of feed pipe 47 Connection；The upper port of cylinder 71 is threaded with fastening silk braid 82, and the upper fastening lower end of silk braid 82 is pushed up with the top of 3rd bearing 73 The second sealing ring 83 is provided between press-fit, the upper inwall of fastening silk braid 82 and hollow rotary shaft 72 outer wall.

The upper end of hollow rotary shaft 72 is stretched out cylinder 71 and extend into connection slotted eye, and the upper end of hollow rotary shaft 72 passes through even Connect clip 84 and the lower end of Hollow Transmission Shafts 68 is coaxial is tightly connected, the centre bore of hollow rotary shaft 72 and Hollow Transmission Shafts 68 Centre bore corresponds to insertion up and down.

Detachable water flowing sealing structure includes lower contact 85, and the outer wall thread of lower contact 85 is connected with lower fastening silk braid 86, under The fastening outer wall of silk braid 86 is connected with the inner thread of cylinder 71, and the outside of lower contact 85 is provided with matches somebody with somebody with the lower fastening lower end top pressure of silk braid 86 The lower ring-shaped step 87 closed, the upper end of lower contact 85 is provided with the upper ring-shaped step 88 coordinated with the lower surface top pressure of bearing trim ring 76, under The lower end center of joint 85 is offered in the connector 89 being connected with the upper end of feed pipe 47, lower contact 85 provided with blasthole 90 and assembling Hole 91, the lower end of blasthole 90 and upper end are connected with connector 89 and pilot hole 91 respectively, and the internal diameter of blasthole 90 is less than pilot hole 91 internal diameter, the bottom of hollow rotary shaft 72 is extend into pilot hole 91 through bearing trim ring 76, and the bottom of bearing trim ring 76, which is provided with, stretches Enter to the gland 92 in pilot hole 91, the lower surface of gland 92 is less than the lower surface of hollow rotary shaft 72, the inwall of gland 92 and sky The wall contacts of heart rotary shaft 72, the outer wall of gland 92 is contacted with the inwall of pilot hole 91, in the outer wall of hollow rotary shaft 72 and pilot hole 91 Wall is filled with the filling sealing ring 93 for being located at the lower section of gland 92, is set between the filling lower outside of sealing ring 93 and the inwall of pilot hole 91 There is the gland 95 for being provided with the second O-ring 94, pilot hole 91 and being located at the lower section of hollow rotary shaft 72, the bottom of gland 95 is communicated with dress The through hole 96 of distribution 91 and blasthole 90, the upper end of gland 95 coordinates with the lower end top pressure of filling sealing ring 93, the lower end of gland 95 and dress The bottom interior wall top pressure of distribution 91 coordinates.

Cylinder 71 is externally provided with weeper 97 and lubrication hole 98, the connection corresponding with annular groove 79 of weeper 97, lubrication hole 98 Connected with annular housing 75, plug is provided with lubrication hole 98.

Rotating jet device includes inner hollow and rotating disk 99 in disk form, and the lower surface center of rotating disk 99 is provided with connection Seat 100, connecting seat 100 is provided with the connecting hole connected with the inside of rotating disk 99, and the upper end of Hollow Transmission Shafts 68 is extend into connecting hole And be connected with the thread seal of connecting seat 100, the external peripheral surface of rotating disk 99 is uniformly provided with least four high-pressure nozzles 101, high pressure The injection direction of shower nozzle 101 tilts upward setting.

The utility model is in work in use, store the waste water among rain or building site in tank 31, motor subtracts The fast driving moment 35 of machine 34 along cyclic track 30 advance to 31 side of tank when, oral siphon 41 is extend into the water of tank 31 Under face, intake pump 40 is opened, the water in tank 31 is extracted into storage tank 36, the water in storage tank 36 is more muddy, in order to Avoid blocking high-pressure nozzle 101, extend the service life of high-pressure nozzle 101, it is necessary at the water purification filter in storage tank 36 Manage, specific purification filtering process is：Suction pump 38 is opened, the muddy water that suction pump 38 extracts storage in storage tank 36 first passes through filtering After the preliminary filtering of net 43, then enter in filter 37 through water inlet pipe 42, clear water is filtered by the rear impurity of filter 52, The aperture of filter 52 is 0.25mm, and water purification is entered in pure water tank 39.After the impurity adhered on filter 52 is more, back out Fastening bolt 56, pressing plate 57 and cushion block 59 is removed, is plucked out sealing strip 58, is taken out filter 52 out of annular groove 79 using hook Go out, then replace with new filter 52, then seal fastening.Cross support frame 55, which is played, prevents hydraulic pressure from pressing filter 52 Concavity structure makes filter 52 detach annular groove 79.

Water is during purification filtering, and spray vehicle 102 is advanced on cyclic track 30, while opening high-pressure hydraulic pump 48, takes out Take the clear water in pure water tank 39, the hollow rotary shaft 72 that water under high pressure enters in rotatory sealing attachment means 65 through feed pipe 47, then Through Hollow Transmission Shafts 68, finally enter in rotating disk 99, made water fogging ejection water under high pressure by high-pressure nozzle 101；Electricity is driven simultaneously Rotational action is passed to driven gear 69 by machine 64 by driving gear 70, and driven gear 69 drives Hollow Transmission Shafts 68 to rotate, It is sealedly and fixedly connected between Hollow Transmission Shafts 68 and hollow rotary shaft 72 by jointing clip 84, rotating disk is realized while sealing 99 rotation, the water under high pressure for rotating to be the ejection of high-pressure nozzle 101 of rotating disk 99 further improves inertia, along with high-pressure nozzle 101 injection direction tilts upward setting, so the radius of injection can be made bigger.

The operation principle of rotatory sealing attachment means 65 in the utility model is：Water under high pressure is entered down through feed pipe 47 The blasthole 90 of joint 85, then sequentially pass through through hole 96, pilot hole 91, enter Hollow Transmission Shafts 68 in hollow rotary shaft 72 It is interior；Because the internal diameter of through hole 96 is less than the internal diameter of blasthole 90, in the presence of High-Pressure Water, gland 95 is by High-Pressure Water upward Thrust, the upper end of gland 95 is extruded filling sealing ring 93, and extruding force is delivered on the second O-ring 94, and the second O-ring 94 produces change Shape is so as to play sealing function, and the second O-ring 94 is made by special substance；Make filling sealing ring 93 and hollow rotary shaft 72 tight Coordinate, High-Pressure Water flows out through hollow rotary shaft 72, hollow rotary shaft 72 at the filling cooperation of sealing ring 93 with using special process Processing, so as to the frictional force for reducing it with filling sealing ring 93, filling sealing ring 93 is made using special substance；Hollow rotation Rotating shaft 72 is arranged in cylinder 71 by 3rd bearing 73 and fourth bearing 74, and hollow rotary shaft 72 can be with external force Rotate；And 3rd bearing 73 and fourth bearing 74 need lubrication, the lubrication hole being provided with by cylinder 71 in use 98 addition lubricating oil can lubricate bearing, and the first O-ring 81 and the second sealing ring 83 are used to stop oil leakage；Bearing trim ring 76 upper surfaces compress fourth bearing 74, and the endoporus of bearing trim ring 76 is slidably matched with hollow rotary shaft 72, the top of bearing trim ring 76 Support set is used to support filling sealing ring 93, and bearing trim ring 76 is made using special substance, to reduce itself and hollow rotation The frictional force of axle 72.

When leak occurs in the detachable water flowing sealing structure in rotatory sealing attachment means 65, that is, fill the He of sealing ring 93 Second O-ring 94 is damaged, and water under high pressure can be entered in permeable chamber 78 along the surface of hollow rotary shaft 72, and pass through water-permeable passage 80th, annular groove 79 and the outflow cylinder 71 of weeper 97；Water under high pressure penetrates into bearing trim ring 76 along the inwall of pilot hole 91 Upper surface, then it is flowed into weeper 97 through the inwall of cylinder 71.If the water outlet of weeper 97, it is necessary to the lower fastening silk braid of dismounting 86, the filling O-ring 94 of sealing ring 93 and second is changed.First O-ring 81, which is played, prevents water from entering 3rd bearing 73 In fourth bearing 74.

Above example is only used to illustrative and not limiting the technical solution of the utility model, although with reference to above-described embodiment pair The utility model is described in detail, it will be understood by those within the art that：The utility model can still be entered Row modification or equivalent substitution, without departing from any modification or partial replacement of spirit and scope of the present utility model, it all should Cover among right of the present utility model.

Claims (5)

1. building engineering construction building site spray dust system, it is characterised in that：Including the circulation being laid on the ground of construction site Track, cyclic track is provided with the spray vehicle that can be advanced along cyclic track, and construction site ground is provided with adjacent cycle track Tank；

Spray vehicle includes vehicle frame, and vehicle frame is provided with outer case, and bottom of frame is connected to circulation rail provided with motor reducer and rolling Four wheels on road, motor reducer is connected with one or two wheel drive by tape handler, is provided with outer case Storage tank, filter, suction pump and pure water tank, at the top of storage tank provided with the intake pump supplied water into storage tank, intake pump enters The mouth of a river is connected with the oral siphon for stretching out outer case, is connected between storage tank and filter by water inlet pipe, and position is provided with storage tank Screen pack at the import of water inlet pipe, suction pump is located on water inlet pipe, and water inlet pipe is provided with water intaking valve, filter and pure water tank Between connected by outlet pipe, outlet pipe is provided with outlet valve, is connected with to be connected with feed pipe, feed pipe at the top of pure water tank and sets High-pressure hydraulic pump at the top of pure water tank；

Filter includes the container that external form is in rectangular shape, and container inner wall offers annular groove, and container top is offered and ring The opening of shape groove correspondence connection, the filtering that cavity is separated into mixed water cavity and clear water chamber is inserted with by opening into annular groove Plate, one end top is provided with the mixed water inlet for connecting water inlet pipe with mixed water cavity, and container other end top is provided with outlet pipe The clear water output connected with clear water chamber, container inner wall is provided with positioned at filter both sides and is in cross support frame, vessel top Portion is connected with pressing plate by fastening bolt, and pressing plate lower surface is provided with the sealing strip reached in indent, opening provided with top in indent, Cushion block, cushion block lower surface and sealing strip upper surface press fit are provided with indent；The eyelet of screen pack is more than the eyelet of filter；

Support frame is provided with the top of outer case, outer case sidepiece, which is provided with the top of chamber door, support frame, is provided with mounting cylinder, mounting cylinder Center line is arranged in vertical, being filled provided with top chock, step, motor and rotatory sealing connection in mounting cylinder Put, be correspondingly arranged above and below top chock and step, clutch shaft bearing and second are passed through respectively in top chock and step Bearing is rotatably connected to Hollow Transmission Shafts, Hollow Transmission Shafts outer wall key be connected between top chock and step from Moving gear, the spindle drive of motor is connected with driving gear, and driving gear is engaged with driven gear, Hollow Transmission Shafts upper end Center offers connection slotted eye；Hollow Transmission Shafts upper end is provided with the rotating jet device being located above mounting cylinder；Rotatory sealing Attachment means upper end and the coaxial fixation in Hollow Transmission Shafts lower end are simultaneously tightly connected, rotatory sealing attachment means lower end and feed pipe Delivery port fixed seal connection.

2. building engineering construction building site spray dust system according to claim 1, it is characterised in that：Rotatory sealing is connected Device includes the cylinder being arranged in vertical, and cylinder is fixed in mounting cylinder, coaxial in cylinder to be provided with hollow rotation Rotating shaft, hollow rotary shaft top is rotatably connected in cylinder by 3rd bearing and fourth bearing, cylinder and hollow rotation The annular housing being located between 3rd bearing and fourth bearing is formed between axle, hollow rotary shaft bottom is arranged with bearing trim ring, The first sealing ring is provided between bearing trim ring upper inside wall and hollow rotary shaft outer wall, inside bearing trim ring with hollow rotary shaft it Between form the permeable chamber being located at below the first sealing ring, bearing trim ring outer wall is provided with annular groove, and level is provided with connecting in bearing trim ring The water-permeable passage of penetrating water cavity and annular groove, is provided with the positioned at upside of the ring groove between bearing trim ring outer wall and cylinder inwall Detachable water flowing sealing structure, detachable water flowing sealing structure upper end and bearing trim ring are provided with one O-ring, cylinder lower port Lower surface top pressure coordinates, the delivery port fixed seal connection of detachable water flowing sealing structure lower end and feed pipe；Cylinder upper end Mouth is threaded with fastening silk braid, and upper fastening silk braid lower end coordinates with top pressure at the top of 3rd bearing, upper fastening silk braid inwall with The second sealing ring is provided between hollow rotary shaft outer wall；

Hollow rotary shaft upper end is stretched out cylinder and extend into connection slotted eye, and hollow rotary shaft upper end passes through jointing clip and sky Heart power transmission shaft lower end is coaxial to be tightly connected, and the centre bore of hollow rotary shaft and the centre bore of Hollow Transmission Shafts correspond to pass through up and down It is logical.

3. building engineering construction building site spray dust system according to claim 2, it is characterised in that：Detachable water flowing is close Seal structure includes lower contact, and lower contact outer wall thread is connected with lower fastening silk braid, lower fastening silk braid outer wall and cylinder inwall spiral shell Line is connected, and the lower ring-shaped step coordinated with lower fastening silk braid lower end top pressure is provided with outside lower contact, lower contact upper end is provided with and axle The upper ring-shaped step that bearing ring lower surface top pressure coordinates, lower contact lower end center offers the connection being connected with feed pipe upper end Mouthful, blasthole and pilot hole are provided with lower contact, blasthole lower end and upper end are connected with connector and pilot hole respectively, blasthole Internal diameter be less than the internal diameter of pilot hole, hollow rotary shaft bottom extend into pilot hole through bearing trim ring, bearing trim ring bottom Provided with the gland extending into pilot hole, the lower surface of gland is less than the lower surface of hollow rotary shaft, gland inwall and hollow rotation Rotating shaft wall contacts, gland outer wall is contacted with pilot hole inwall, and hollow rotary shaft outer wall is filled with pilot hole inwall is located at pressure It is provided with the second O-ring, pilot hole and sets between pilot hole inwall on the outside of filling sealing ring below set, filling sealing ring lower potion There is the gland below hollow rotary shaft, gland bottom is communicated with the through hole of pilot hole and blasthole, and gland upper end is with filling out The top pressure cooperation of sealing ring lower end is filled, gland lower end coordinates with pilot hole bottom interior wall top pressure.

4. building engineering construction building site spray dust system according to claim 3, it is characterised in that：Cylinder is externally provided with Weeper and lubrication hole, weeper connection corresponding with annular groove, lubrication hole are connected with annular housing, and plug is provided with lubrication hole.

5. the building engineering construction building site spray dust system according to claim any one of 1-4, it is characterised in that：Rotation Fluidic device includes inner hollow and rotating disk in disk form, and disk lower surface center is provided with connecting seat, and connecting seat is provided with With the connecting hole connected inside rotating disk, Hollow Transmission Shafts upper end extend into connecting hole and is connected with connecting seat thread seal, turns The external peripheral surface of disk is uniformly provided with least four high-pressure nozzles, and the injection direction of high-pressure nozzle tilts upward setting.