CN106012941A - Rail-type spraying dust suppression system for building construction site - Google Patents
Rail-type spraying dust suppression system for building construction site Download PDFInfo
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- CN106012941A CN106012941A CN201610534876.3A CN201610534876A CN106012941A CN 106012941 A CN106012941 A CN 106012941A CN 201610534876 A CN201610534876 A CN 201610534876A CN 106012941 A CN106012941 A CN 106012941A
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- 239000000428 dust Substances 0.000 title abstract description 13
- 238000005507 spraying Methods 0.000 title abstract description 8
- 230000001629 suppression Effects 0.000 title abstract 3
- 238000009435 building construction Methods 0.000 title abstract 2
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- 238000007789 sealing Methods 0.000 claims abstract description 88
- 238000003860 storage Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 239000003638 reducing agent Substances 0.000 claims abstract description 10
- 210000004907 Glands Anatomy 0.000 claims description 45
- 238000010276 construction Methods 0.000 claims description 38
- 238000001556 precipitation Methods 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 20
- 230000000875 corresponding Effects 0.000 claims description 18
- 238000011049 filling Methods 0.000 claims description 18
- 125000004122 cyclic group Chemical group 0.000 claims description 17
- 238000005461 lubrication Methods 0.000 claims description 13
- 239000002516 radical scavenger Substances 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000001808 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 238000000746 purification Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 6
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- 230000015572 biosynthetic process Effects 0.000 description 2
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- 239000004927 clay Substances 0.000 description 2
- 229910052570 clay Inorganic materials 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000013355 food flavoring agent Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
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- 230000002194 synthesizing Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
Abstract
The invention relates to a rail-type spraying dust suppression system for a building construction site, which comprises a circulating rail laid on the ground of the building site. A spraying vehicle capable of traveling along the circulating rail is arranged on the circulating rail; a water storage pool adjacent to the circulating rail is arranged on the ground of the building site; the spraying vehicle comprises a frame; an outer tank body is arranged on the frame; a motor speed reducer and four wheels in rolling connection to the circulating rail are arranged at the bottom of the frame; the motor speed reducer is in transmission connection with one or two wheels by a belt transmission mechanism; a bracket, a water storage tank, a filter, a water suction pump and a pure water tank are arranged in the outer tank body. The rail-type spraying dust suppression system disclosed by the invention is compact in structure, convenient to operate, good in sealing performance, safe and reliable and high in automation degree, utilizes waste water to carry out spraying dust falling on flying dust on the building site, creates a good working environment for workers, maintains the environment of a city, can clear up slurry precipitated in the water storage tank, and has high popularization and application value.
Description
Technical field
The invention belongs to building engineering construction environmental protection technical field, be specifically related to a kind of construction building site rail mounted sized spray dust-suppression system.
Background technology
The continuous quickening built along with urban modernization, inevitably occurs in that substantial amounts of construction site in city, and various construction sites cause the impact of very severe to surrounding, and stand in the breach is exactly dust pollution.Will produce substantial amounts of dust in construction site, if left, it flies upward everywhere, will cover with, to whole city, the dust that thick layer is thick；And, in the middle of these dust, have again and substantial amounts of belong to harmful material, it will impact to the health of urbanite.At present, the fixing wind spraying aid type depositing dust spraying machine that construction site uses, it is not directed to job site, water mist spray point height rises and falls big, Density inhomogeneity, and area coverage is little, and must there is special messenger's Operation and Maintenance, costly, need to purchase multiple stage simultaneously and can meet use, equipment disposably puts into greatly；And utilizing tap water, cost is the highest.Further, since the architectural engineering persistent period is longer, construction site area is relatively big, and ground is ups and downs, arranges having little effect of atomizing de-dusting in a certain fixed location.
Summary of the invention
The present invention is to solve weak point of the prior art, it is provided that a kind of low cost, automaticity are high, area coverage big, can be at the construction building site rail mounted sized spray dust-suppression system of construction site Automatic Cycle spray dust.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that construction building site rail mounted sized spray dust-suppression system, including being laid on the ground cyclic track in construction site, cyclic track is provided with the spray vehicle can advanced along cyclic track, and ground, construction site is provided with the tank of adjacent cycle track；
nullSpray vehicle includes vehicle frame，Vehicle frame is provided with outer case，Bottom of frame is provided with motor reducer and rolls four wheels being connected on cyclic track，Motor reducer is connected with one or two wheel drive by tape handler，Support it is provided with in outer case、Storage tank、Filter、Suction pump and pure water tank，Storage tank top is provided with in storage tank the intake pump supplied water，The water inlet of intake pump connects the oral siphon stretching out outer case，It is connected by water inlet pipe between storage tank with filter，The drainage screen of the import department being positioned at water inlet pipe it is provided with in storage tank，Suction pump is located on water inlet pipe，Water inlet pipe is provided with the water intaking valve between suction pump and filter，It is connected by outlet pipe between filter with pure water tank，Outlet pipe is provided with outlet valve，Pure water tank top connects feed pipe，Connect on feed pipe and have the high-pressure hydraulic pump being located at pure water tank top；Connecting on water inlet pipe and have the junction of blow-off pipe, blow-off pipe and water inlet pipe between water intaking valve and suction pump, blow-off pipe is provided with blowoff valve；
The cylindrical structure of storage tank, is provided with base plate bottom storage tank, storage tank top is provided with case lid, and base plate is located on support, is provided with the scavenger precipitation motor being positioned at below base plate bottom outer case, and the spindle drive of scavenger precipitation motor connects anti-precipitation stirring mechanism；Anti-precipitation stirring mechanism includes vertically disposed shaft, shaft lower end is connected with the main shaft of scavenger precipitation motor by shaft coupling, shaft upper end passes base plate, base plate is provided with and is positioned at around shaft and seals, with shaft outer surface, the dynamic seal structure being slidably matched, shaft upper end is fixed with adapter sleeve, adapter sleeve outer horizontal is provided with at least two agitator arms, agitator arm is that radioactivity is uniformly arranged along adapter sleeve circumferencial direction, connected by bracing piece between adjacent two agitator arms, a wear rib it is equipped with bottom every agitator arm, removably connected with wear rib by sunk screw on agitator arm；
Filter includes that external form is the container of rectangular shape, container inner wall offers cannelure, container top offers the opening of connection corresponding with cannelure, it is inserted with in cannelure by opening and cavity is separated into mixed water cavity and the screen plate in clear water chamber, one end top is provided with the mixed water inlet connected by water inlet pipe with mixed water cavity, container other end top is provided with the clear water output connected by outlet pipe with clear water chamber, container inner wall is provided with and is positioned at screen plate both sides and all in cross bracing frame, container top is connected by fastening bolt pressing plate, pressing plate lower surface is provided with indent, the sealing strip that top reaches in indent it is provided with in opening, cushion block it is provided with in indent, cushion block lower surface and sealing strip upper surface press fit；The eyelet of drainage screen is more than the eyelet of screen plate；
Outer case top is provided with support frame, outer case sidepiece is provided with chamber door, support frame top is provided with mounting cylinder, the centrage of mounting cylinder is arranged in vertical, it is provided with top chock in mounting cylinder, step, drive motor and rotatory sealing attachment means, top chock and step are correspondingly arranged up and down, it is rotatably connected to Hollow Transmission Shafts by clutch shaft bearing and the second bearing respectively in top chock and step, Hollow Transmission Shafts outer wall is bonded the driven gear being connected between top chock and step, the spindle drive driving motor connects driving gear, driving gear engages with driven gear, connection slotted eye is offered at Hollow Transmission Shafts upper end center；Hollow Transmission Shafts upper end is provided with the rotating jet device being positioned at above mounting cylinder；Rotatory sealing attachment means upper end is coaxial with Hollow Transmission Shafts lower end fixing and is tightly connected, rotatory sealing attachment means lower end and the outlet fixed seal connection of feed pipe.
nullRotatory sealing attachment means includes the cylinder being arranged in vertical，Cylinder is fixed in mounting cylinder，Coaxial in cylinder it is provided with hollow rotary shaft，Hollow rotary shaft top is rotatably connected in cylinder by the 3rd bearing and the 4th bearing，The annular housing between the 3rd bearing and the 4th bearing is formed between cylinder and hollow rotary shaft，Hollow rotary shaft bottom is arranged with bearing trim ring，It is provided with the first sealing ring between bearing trim ring upper inside wall and hollow rotary shaft outer wall，Formed between bearing trim ring inside and hollow rotary shaft and be positioned at the permeable chamber below the first sealing ring，Bearing trim ring outer wall is provided with cannelure，In bearing trim ring, level is communicated with the water-permeable passage of permeable chamber and cannelure，The first O being positioned at upside of the ring groove it is provided with between bearing trim ring outer wall and cylinder inwall，Detachable logical watertight construction it is provided with in cylinder lower port，Press-fit is pushed up with bearing trim ring lower surface in detachable logical watertight construction upper end，Detachable logical watertight construction lower end and the outlet fixed seal connection of feed pipe；Cylinder upper port is threaded upper fastening silk braid, upper fastening silk braid lower end and the 3rd its top top press-fit, is provided with the second sealing ring between upper fastening silk braid inwall and hollow rotary shaft outer wall；
Hollow rotary shaft upper end is stretched out cylinder and extend in connection slotted eye, and hollow rotary shaft upper end is tightly connected by jointing clip is coaxial with Hollow Transmission Shafts lower end, and the centre bore of hollow rotary shaft and the centre bore of Hollow Transmission Shafts are the most corresponding through.
nullDetachable logical watertight construction includes lower contact，Lower contact outer wall thread connects lower fastening silk braid，Lower fastening silk braid outer wall is connected with cylinder inner thread，It is provided with outside lower contact and the lower ring-shaped step of lower fastening silk braid lower end top press-fit，Lower contact upper end is provided with and the upper ring-shaped step of bearing trim ring lower surface top press-fit，Lower contact lower center offers the connector being connected with feed pipe upper end，Blasthole and pilot hole it is provided with in lower contact，Blasthole lower end connects with connector and pilot hole respectively with upper end，The internal diameter of blasthole is less than the internal diameter of pilot hole，Hollow rotary shaft bottom extend in pilot hole through bearing trim ring，The gland extending in pilot hole it is provided with bottom bearing trim ring，The lower surface of gland is less than the lower surface of hollow rotary shaft，Gland inwall and hollow rotary shaft wall contacts，Gland outer wall and pilot hole contact internal walls，Hollow rotary shaft outer wall and pilot hole inwall are filled with the filling sealing ring being positioned at below gland，Fill outside sealing ring lower potion and be provided with the second O between pilot hole inwall，The gland being positioned at below hollow rotary shaft it is provided with in pilot hole，The through hole of pilot hole and blasthole it is communicated with bottom gland，Press-fit is pushed up with filling sealing ring lower end in gland upper end，Gland lower end and the top press-fit of pilot hole bottom interior wall.
Cylinder is externally provided with weeper and lubrication hole, and weeper connection corresponding with cannelure, lubrication hole connects with annular housing, is provided with plug in lubrication hole.
Rotating jet device includes inner hollow and rotating disk in disk form, disk lower surface center is provided with connection seat, connect seat and be provided with the connecting hole that connect internal with rotating disk, connect in Hollow Transmission Shafts upper end extend into connecting hole and with being connected seat thread seal, the external peripheral surface of rotating disk is uniformly provided with at least four high-pressure nozzle, and the injection direction of high-pressure nozzle tilts upward setting.
nullDynamic seal structure includes that bottom is uncovered in cylindrical upper groove，Shaft vertically through upper groove and has same centrage with upper groove，Sealing gland it is arranged with on shaft，The fixing bolt being evenly arranged by a circle outside sealing gland is detachably connected on base plate lower surface，Identical with upper groove internal diameter and upper corresponding low groove it is provided with inside sealing gland，Slide in low groove and be provided with lower ring slider，Slide in upper groove and be provided with ring slider，The outer wall of lower ring slider and upper ring slider and the sidewall contact of upper groove，Lower ring slider contacts with the outer round surface of shaft with the inwall of upper ring slider，The soft sealed packing being positioned at above ring slider it is filled with in upper groove，Upper ring slider lower surface is along the circumferential direction uniformly provided with locating dowel at least three，Lower ring slider upper surface is along the circumferential direction uniformly provided with lower locating dowel the same number of with upper locating dowel，It is arranged with compression spring between the most corresponding upper locating dowel and lower locating dowel，The top and bottom of compression spring respectively with upper ring slider lower surface and lower ring slider upper surface top press-fit，The most threaded on sealing gland have and lower locating dowel the same number of regulation bolt，Lower locating dowel and the regulation upper and lower one_to_one corresponding of bolt，Lower locating dowel lower surface is provided with mounting groove，Regulate in bolt upper end extend into mounting groove and assembled by pressure bearing and be rotatably connected in mounting groove.
Use technique scheme, the waste water in the middle of rainwater or building site is stored in tank, motor reducer drive wheel along cyclic track advance to tank side time, oral siphon is extend into the underwater of tank, open intake pump, water in tank is extracted in storage tank, water in storage tank is the most muddy, in order to avoid blocking high-pressure nozzle, extend the service life of high-pressure nozzle, the water purification filter in storage tank is needed to process, concrete purification filtering process is: open suction pump, after the muddy water stored in suction pump extraction storage tank first passes through the preliminary filtration of drainage screen, again in water inlet pipe enters into filter, clear water is filtered through screen plate rear impurity, the aperture of screen plate is 0.25mm, water purification enters in pure water tank.After the impurity of attachment is more on screen plate, back out fastening bolt, taking off pressing plate and cushion block, pluck out sealing strip, use hook to be extracted out in cannelure by screen plate, then replace with new screen plate, then seal fastening.Cross bracing frame plays and prevents from hydraulic pressure that screen plate is pressed into concave structure making screen plate detach cannelure.
Water is during purification filtering, spray vehicle is advanced on cyclic track, open high-pressure hydraulic pump simultaneously, clear water in extraction pure water tank, water under high pressure hollow rotary shaft in feed pipe enters rotatory sealing attachment means, again through Hollow Transmission Shafts, finally enter in rotating disk, made water fogging ejection water under high pressure by high-pressure nozzle；Simultaneously drive motor, by driving gear, rotational action is passed to driven gear, driven gear drives Hollow Transmission Shafts to rotate, it is sealedly and fixedly connected by jointing clip between Hollow Transmission Shafts and hollow rotary shaft, the rotation of rotating disk is realized while sealing, the water under high pressure rotating to be high-pressure nozzle ejection of rotating disk improves inertia further, the injection direction adding high-pressure nozzle tilts upward setting, and the radius that so can make injection is bigger.
The operation principle of the rotatory sealing attachment means in the present invention is: water under high pressure enters into the blasthole of lower contact through feed pipe, then enters in Hollow Transmission Shafts in sequentially passing through through hole, pilot hole, hollow rotary shaft；Owing to through hole internal diameter is less than blasthole internal diameter, under the effect of High-Pressure Water, gland is by High-Pressure Water thrust upwards, gland upper end is to filling sealing ring extruding, extruding force is delivered on the second O, second O is deformed thus plays sealing function, and the second O 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 rotary shaft uses special process to process with filling the sealing ring place of cooperation, in order to reduce the frictional force of itself and filling sealing ring, fills sealing ring and uses special substance to be made；Hollow rotary shaft is arranged in cylinder by the 3rd bearing and the 4th bearing, and hollow rotary shaft can rotate under external force；And the 3rd bearing and the 4th bearing in use need lubrication, the lubrication hole oil addition being provided with by cylinder can lubricate bearing, and the first O and the second sealing ring are used for stopping oil leakage；Bearing trim ring upper surface compresses the 4th bearing, and bearing trim ring endoporus is slidably matched with hollow rotary shaft, and the support set at bearing trim ring top is used for supporting filling sealing ring, and bearing trim ring uses special substance to be made, to reduce the frictional force of itself and hollow rotary shaft.
When leaking occurs in the detachable logical watertight construction in rotatory sealing attachment means, i.e. fill sealing ring and the second O damages, water under high pressure can enter into permeable intracavity along hollow rotary shaft surface, and flows out cylinder by water-permeable passage, cannelure and weeper；Water under high pressure or penetrate into bearing trim ring upper surface along pilot hole inwall, then it is flowed into weeper through cylinder inwall.If weeper water outlet, it is necessary to fasten silk braid under dismounting, filling sealing ring and the second O are replaced.First O plays and prevents water from entering in the 3rd bearing and the 4th bearing.
Rotatory sealing attachment means realizes the connection between fixing high-pressure water pipe and the Hollow Transmission Shafts of high speed rotating, and plays good sealing function, meets rotating and the requirement sealed under high pressure conditions.
Owing to the sewage precipitated in tank or rainwater are extracted in storage tank by intake pump, of long duration will make to produce bottom storage tank more precipitation, therefore need to clear up the precipitation mud bottom storage tank every a period of time.Concrete reset procedure is as follows: dismantled by drainage screen, water intaking valve is closed, open blowoff valve, open scavenger precipitation motor, scavenger precipitation driven by motor shaft rotates, and shaft upper end drives agitator arm to rotate by adapter sleeve, and agitator arm rotates and will be deposited to the mud agitation bottom storage tank, it is then turned on suction pump, slurry liquid is extracted out from blow-off pipe.Meanwhile, open intake pump, in storage tank, reinject water, through mixing, so make precipitation elimination effect more preferable.
Agitator arm arranges at least two, it is ensured that the stability of equilibrium of main shaft.Bracing piece plays the effect strengthening agitator arm intensity.Can arrange wear-resisting flat runner at plate upper surface, wear rib slidably contacts the surfaces with wear-resisting flat runner；Wear rib contacts rotation with wear-resistant slide plate, reduces frictional force as far as possible, after wear rib weares and teares, can back out dormant bolt and be replaced wear rib.
Owing to shaft passes perpendicularly through base plate, there is between shaft and base plate gap, therefore dynamic seal structure is set at shaft outer wall.Dynamic seal structure passes through soft sealed packing (soft sealed packing, it is commonly called as pureed soft packing, it it is the airtight and watertight padding of a kind of new synthesis of polymer material without asbestos, outward appearance such as clay shape has special plasticity) seal the shaft rotated, by turning regulation bolt, making lower ring slider upwards be pushed up by compression spring and press ring slider, upper ring slider upwards pushes up pressure soft sealed packing and realizes shaft sealing in rotation process.Upper ring slider upper surface additionally can be set to the inner small and outside big concave structure in cone, so when upwardly soft sealed packing, to the extruding force of soft sealed packing towards shaft, improve sealing effectiveness.Upper locating dowel and lower locating dowel play the axis holding vertical direction limiting compression spring, make compression spring play good elastic stage.Pressure bearing plays when turning regulation bolt, it is to avoid the effect that lower ring slider rotates also with regulation bolt.When turning regulation bolt, to turn one by one, the most just can ensure that the soft seal flavoring agent pressure that shaft is subject at circumferencial direction is kept in balance, additionally, the locking nut with the top press-fit of sealing gland lower surface can be connected at regulation bolt external screw thread, so can avoid adjusting nut self-relaxation after being adjusted in place.
In sum, present configuration is compact, easy to operate, good airproof performance, safe and reliable, automaticity is high, utilize waste water that the airborne dust in construction site is carried out spray dust, good working environment is created for workman, and maintain The Surroundings in Cities, and the mud of precipitation in storage tank can be purged, there is higher application value.
Accompanying drawing explanation
Fig. 1 is the site plan of the present invention
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 in Fig. 2 at A；
Fig. 5 is the structural representation of rotatory sealing attachment means in Fig. 4；
Fig. 6 is the structural representation of Fig. 5 middle (center) bearing trim ring；
Fig. 7 is the enlarged drawing of anti-precipitation stirring mechanism in Fig. 1；
Fig. 8 is the enlarged drawing in Fig. 7 at A；
Fig. 9 is anti-precipitation stirring mechanism top view in storage tank in Fig. 7.
Detailed description of the invention
As shown in Fig. 1-Fig. 9, the construction building site rail mounted sized spray dust-suppression system of the present invention, including being laid on the ground cyclic track in construction site 30, cyclic track 30 can be laid in the suitable location in construction site, can realize through shuttling movement.Cyclic track 30 is provided with the spray vehicle 102 can advanced along cyclic track 30, and ground, construction site is provided with the tank 31 of adjacent cycle track 30.
nullSpray vehicle 102 includes vehicle frame 32，Vehicle frame 32 is provided with outer case 33，It is provided with motor reducer 34 bottom vehicle frame 32 and rolls four wheels 35 being connected on cyclic track 30，Motor reducer 34 is in transmission connection with one or two wheel 35 by tape handler，Support 1 it is provided with in outer case 33、Storage tank 36、Filter 37、Suction pump 38 and pure water tank 39，Storage tank 36 top is provided with in storage tank 36 intake pump 40 supplied water，The water inlet of intake pump 40 connects the oral siphon 41 stretching out outer case 33，It is connected by water inlet pipe 42 between storage tank 36 with filter 37，The drainage screen 43 of the import department being positioned at water inlet pipe 42 it is provided with in storage tank 36，Suction pump 38 is located on water inlet pipe 42，Water inlet pipe 42 is provided with the water intaking valve 44 between suction pump 38 and filter 37，It is connected by outlet pipe 45 between filter 37 with pure water tank 39，Outlet pipe 45 is provided with outlet valve 46，Pure water tank 39 top connects feed pipe 47，Connect on feed pipe 47 and have the high-pressure hydraulic pump 48 being located at pure water tank 39 top.Connecting on water inlet pipe 42 and have blow-off pipe 28, the junction of blow-off pipe 28 and water inlet pipe is between water intaking valve 44 and suction pump 38, and blow-off pipe 28 is provided with blowoff valve 29.
The cylindrical structure of storage tank 36, being provided with base plate 2 bottom storage tank 36, storage tank 36 top is provided with case lid 4, and base plate 2 is located on support 1, being provided with the scavenger precipitation motor 7 being positioned at below base plate 2 bottom outer case 33, the spindle drive of scavenger precipitation motor 7 connects anti-precipitation stirring mechanism 5；Anti-precipitation stirring mechanism 5 includes vertically disposed shaft 8, shaft 8 lower end is connected with the main shaft of scavenger precipitation motor 7 by shaft coupling 9, shaft 8 upper end passes base plate 2, base plate 2 is provided with and is positioned at around shaft 8 and seals, with shaft 8 outer surface, the dynamic seal structure being slidably matched, shaft 8 upper end is fixed with adapter sleeve 10, adapter sleeve 10 outer horizontal is provided with at least two agitator arms 11, agitator arm 11 is that radioactivity is uniformly arranged along adapter sleeve 10 circumferencial direction, connected by bracing piece 12 between adjacent two agitator arms 11, a wear rib 13 it is equipped with bottom every agitator arm 11, removably connected with wear rib 13 by sunk screw 14 on agitator arm 11.
nullFilter 37 includes that external form is the container 49 of rectangular shape，Container 49 inwall offers cannelure，Container 49 top offers the opening of connection corresponding with cannelure，In cannelure, the screen plate 52 that cavity is separated into mixed water cavity 50 and clear water chamber 51 it is inserted with by opening，Top, container 49 one end is provided with the mixed water inlet 53 connected by water inlet pipe 42 with mixed water cavity 50，Container 49 other end top is provided with the clear water output 54 connected by outlet pipe 45 with clear water chamber 51，Container 49 inwall is provided with and is positioned at screen plate 52 both sides and all in cross bracing frame 55，Container 49 top is connected by fastening bolt 56 pressing plate 57，Pressing plate 57 lower surface is provided with indent，The sealing strip 58 that top reaches in indent it is provided with in opening，Cushion block 59 it is provided with in indent，Cushion block 59 lower surface and sealing strip 58 upper surface press fit；The eyelet of drainage screen 43 is more than the eyelet of screen plate 52；
nullOuter case 33 top is provided with support frame 60，Outer case 33 sidepiece is provided with chamber door，Support frame 60 top is provided with mounting cylinder 61，The centrage of mounting cylinder 61 is arranged in vertical，It is provided with top chock 62 in mounting cylinder 61、Step 63、Drive motor 64 and rotatory sealing attachment means 65，Top chock 62 and step about 63 are correspondingly arranged，It is rotatably connected to Hollow Transmission Shafts 68 by clutch shaft bearing 66 and the second bearing 67 respectively in top chock 62 and step 63，Hollow Transmission Shafts 68 outer wall is bonded the driven gear 69 being connected between top chock 62 and step 63，The spindle drive driving motor 64 connects driving gear 70，Driving gear 70 engages with driven gear 69,Connection slotted eye is offered at Hollow Transmission Shafts 68 upper end center；Hollow Transmission Shafts 68 upper end is provided with the rotating jet device being positioned at above mounting cylinder 61；Rotatory sealing attachment means 65 upper end is coaxial with Hollow Transmission Shafts 68 lower end fixing and is tightly connected, rotatory sealing attachment means 65 lower end and the outlet fixed seal connection of feed pipe 47.
nullRotatory sealing attachment means 65 includes the cylinder 71 being arranged in vertical，Cylinder 71 is fixed in mounting cylinder 61，Coaxial in cylinder 71 it is provided with hollow rotary shaft 72，Hollow rotary shaft 72 top is rotatably connected in cylinder 71 by the 3rd bearing 73 and the 4th bearing 74，The annular housing 75 between the 3rd bearing 73 and the 4th bearing 74 is formed between cylinder 71 and hollow rotary shaft 72，Hollow rotary shaft 72 bottom is arranged with bearing trim ring 76，The first sealing ring 77 it is provided with between bearing trim ring 76 upper inside wall and hollow rotary shaft 72 outer wall，Formed between bearing trim ring 76 inside and hollow rotary shaft 72 and be positioned at the permeable chamber 78 below the first sealing ring 77，Bearing trim ring 76 outer wall is provided with cannelure 79，In bearing trim ring 76, level is communicated with the water-permeable passage 80 of permeable chamber 78 and cannelure 79，The first O 81 being positioned at above cannelure 79 it is provided with between bearing trim ring 76 outer wall and cylinder 71 inwall，Detachable logical watertight construction it is provided with in cylinder 71 lower port，Press-fit is pushed up with bearing trim ring 76 lower surface in detachable logical watertight construction upper end，Detachable logical watertight construction lower end and the outlet fixed seal connection of feed pipe 47；Cylinder 71 upper port is threaded upper fastening silk braid 82, upper fastening silk braid 82 lower end and the 3rd bearing 73 top top press-fit, is provided with the second sealing ring 83 between upper fastening silk braid 82 inwall and hollow rotary shaft 72 outer wall.
Hollow rotary shaft 72 upper end is stretched out cylinder 71 and extend in connection slotted eye, hollow rotary shaft 72 upper end is tightly connected by jointing clip 84 is coaxial with Hollow Transmission Shafts 68 lower end, and the centre bore of hollow rotary shaft 72 and the centre bore of Hollow Transmission Shafts 68 are the most corresponding through.
nullDetachable logical watertight construction includes lower contact 85，Lower contact 85 outer wall thread connects lower fastening silk braid 86，Lower fastening silk braid 86 outer wall is connected with cylinder 71 inner thread，Lower contact 85 is outside to be provided with and the lower ring-shaped step 87 of lower fastening silk braid 86 lower end top press-fit，Lower contact 85 upper end is provided with and the upper ring-shaped step 88 of bearing trim ring 76 lower surface top press-fit，Lower contact 85 lower center offers the connector 89 being connected with feed pipe 47 upper end，Blasthole 90 and pilot hole 91 it is provided with in lower contact 85，Blasthole 90 lower end connects with connector 89 and pilot hole 91 respectively with upper end，The internal diameter of blasthole 90 is less than the internal diameter of pilot hole 91，Hollow rotary shaft 72 bottom extend in pilot hole 91 through bearing trim ring 76，The gland 92 extending in pilot hole 91 it is provided with bottom bearing trim ring 76，The lower surface of gland 92 is less than the lower surface of hollow rotary shaft 72，Gland 92 inwall and hollow rotary shaft 72 wall contacts，Gland 92 outer wall and pilot hole 91 contact internal walls，Hollow rotary shaft 72 outer wall and pilot hole 91 inwall are filled with the filling sealing ring 93 being positioned at below gland 92，Fill and be provided with the second O 94 between sealing ring 93 lower outside and pilot hole 91 inwall，The gland 95 being positioned at below hollow rotary shaft 72 it is provided with in pilot hole 91，The through hole 96 of pilot hole 91 and blasthole 90 it is communicated with bottom gland 95，Press-fit is pushed up with filling sealing ring 93 lower end in gland 95 upper end，Gland 95 lower end and the top press-fit of pilot hole 91 bottom interior wall.
Cylinder 71 is externally provided with weeper 97 and lubrication hole 98, and weeper 97 connection corresponding with cannelure 79, lubrication hole 98 connects with annular housing 75, is provided with plug in lubrication hole 98.
Rotating jet device includes inner hollow and rotating disk 99 in disk form, rotating disk 99 lower surface center is provided with connection seat 100, connect seat 100 and be provided with the connecting hole that connect internal with rotating disk 99, connect in Hollow Transmission Shafts 68 upper end extend into connecting hole and with being connected seat 100 thread seal, the external peripheral surface of rotating disk 99 is uniformly provided with at least four high-pressure nozzle 101, and the injection direction of high-pressure nozzle 101 tilts upward setting.
nullDynamic seal structure includes that bottom is uncovered in cylindrical upper groove 15，Shaft 8 vertically through upper groove 15 and has same centrage with upper groove 15，Sealing gland 16 it is arranged with on shaft 8，The fixing bolt 17 being evenly arranged by a circle outside sealing gland 16 is detachably connected on base plate 2 lower surface，Sealing gland 16 is internal is provided with identical with upper groove 15 internal diameter and upper corresponding low groove 18，Slide in low groove 18 and be provided with lower ring slider 19，Slide in upper groove 15 and be provided with ring slider 20，The outer wall of lower ring slider 19 and upper ring slider 20 and the sidewall contact of upper groove 15，Lower ring slider 19 contacts with the outer round surface of shaft 8 with the inwall of upper ring slider 20，The soft sealed packing 21 being positioned at above ring slider 20 it is filled with in upper groove 15，Upper ring slider 20 lower surface is along the circumferential direction uniformly provided with locating dowel 22 at least three，Lower ring slider 19 upper surface is along the circumferential direction uniformly provided with lower locating dowel 23 the same number of with upper locating dowel 22，It is arranged with compression spring 24 between the most corresponding upper locating dowel 22 and lower locating dowel 23，The top and bottom of compression spring 24 respectively with upper ring slider 20 lower surface and lower ring slider 19 upper surface top press-fit，The most threaded on sealing gland 16 have and lower locating dowel 23 the same number of regulation bolt 25，Lower locating dowel 23 and regulation bolt about 25 one_to_one corresponding，Lower locating dowel 23 lower surface is provided with mounting groove，Assemble and be rotatably connected in mounting groove in regulation bolt 25 upper end extend into mounting groove and by pressure bearing 26.
Base plate 2 upper surface is provided with wear-resisting flat runner 27, and wear rib 13 slidably contacts the surfaces with wear-resisting flat runner 27.
Upper ring slider 20 upper surface is the inner small and outside big concave structure in cone.
nullThe present invention is when work uses，The waste water in the middle of rainwater or building site is stored in tank 31，Motor reducer 34 drive wheel 35 along cyclic track 30 advance to tank 31 side time，Oral siphon 41 is extend into the underwater of tank 31，Open intake pump 40，Water in tank 31 is extracted in storage tank 36，Water in storage tank 36 is the most muddy，In order to avoid blocking high-pressure nozzle 101，Extend the service life of high-pressure nozzle 101，The water purification filter in storage tank 36 is needed to process，Concrete purification filtering process is: open suction pump 38，After the muddy water that suction pump 38 stores in extracting storage tank 36 first passes through the preliminary filtration of drainage screen 43，Again in water inlet pipe 42 enters into filter 37，Clear water is filtered through screen plate 52 rear impurity，The aperture of screen plate 52 is 0.25mm，Water purification enters in pure water tank 39.After the impurity of attachment is more on screen plate 52, back out fastening bolt 56, taking off pressing plate 57 and cushion block 59, pluck out sealing strip 58, use hook to be extracted out in cannelure 79 by screen plate 52, then replace with new screen plate 52, then seal fastening.Cross bracing frame 55 plays and prevents from hydraulic pressure that screen plate 52 is pressed into concave structure making screen plate 52 detach cannelure 79.
Water is during purification filtering, spray vehicle 102 is advanced on cyclic track 30, open high-pressure hydraulic pump 48 simultaneously, clear water in extraction pure water tank 39, water under high pressure hollow rotary shaft 72 in feed pipe 47 enters rotatory sealing attachment means 65, again through Hollow Transmission Shafts 68, finally enter in rotating disk 99, made water fogging ejection water under high pressure by high-pressure nozzle 101；Simultaneously drive motor 64 and pass to driven gear 69 by 70 rotational action of driving gear, driven gear 69 drives Hollow Transmission Shafts 68 to rotate, it is sealedly and fixedly connected by jointing clip 84 between Hollow Transmission Shafts 68 and hollow rotary shaft 72, the rotation of rotating disk 99 is realized while sealing, the water under high pressure rotating to be high-pressure nozzle 101 ejection of rotating disk 99 improves inertia further, the injection direction adding high-pressure nozzle 101 tilts upward setting, and the radius that so can make injection is bigger.
The operation principle of the rotatory sealing attachment means 65 in the present invention is: water under high pressure enters into the blasthole 90 of lower contact 85 through feed pipe 47, then enters in Hollow Transmission Shafts 68 in sequentially passing through through hole 96, pilot hole 91, hollow rotary shaft 72；Owing to through hole 96 internal diameter is less than blasthole 90 internal diameter, under the effect of High-Pressure Water, gland 95 is by High-Pressure Water thrust upwards, gland 95 upper end extrudes filling sealing ring 93, extruding force is delivered on the second O 94, second O 94 is deformed thus plays sealing function, and the second O 94 is made by special substance；Make filling sealing ring 93 and hollow rotary shaft 72 tight fit, High-Pressure Water flows out through hollow rotary shaft 72, hollow rotary shaft 72 uses special process to process with filling sealing ring 93 place of cooperation, in order to reduce the frictional force of itself and filling sealing ring 93, fills sealing ring 93 and uses special substance to be made；Hollow rotary shaft 72 is arranged in cylinder 71 by the 3rd bearing 73 and the 4th bearing 74, and hollow rotary shaft 72 can rotate under external force；And the 3rd bearing 73 and the 4th bearing 74 in use need lubrication, lubrication hole 98 oil addition being provided with by cylinder 71 can lubricate bearing, and the first O 81 and the second sealing ring 83 are used for stopping oil leakage；Bearing trim ring 76 upper surface compresses the 4th bearing 74, bearing trim ring 76 endoporus is slidably matched with hollow rotary shaft 72, the support set at bearing trim ring 76 top is used for supporting filling sealing ring 93, and bearing trim ring 76 uses special substance to be made, to reduce the frictional force of itself and hollow rotary shaft 72.
When leaking occurs in the detachable logical watertight construction in rotatory sealing attachment means 65, i.e. fill sealing ring 93 and the second O 94 damages, water under high pressure can enter in permeable chamber 78 along hollow rotary shaft 72 surface, and flows out cylinder 71 by water-permeable passage 80, cannelure 79 and weeper 97；Water under high pressure or penetrate into bearing trim ring 76 upper surface along pilot hole 91 inwall, then it is flowed into weeper 97 through cylinder 71 inwall.If weeper 97 water outlet, it is necessary to dismounting lower fastening silk braid 86, filling sealing ring 93 and the second O 94 are replaced.First O 81 plays and prevents water from entering in the 3rd bearing 73 and the 4th bearing 74.
Owing to sewage or the rainwater of precipitation in tank 31 are extracted in storage tank 36 by intake pump 38, of long duration will make to produce bottom storage tank 36 more precipitation, therefore need to clear up the precipitation mud bottom storage tank 36 every a period of time.Concrete reset procedure is as follows: dismantled by drainage screen 43, water intaking valve 44 is closed, open blowoff valve 29, open scavenger precipitation motor 7, scavenger precipitation motor 7 drives shaft 8 to rotate, and shaft 8 upper end drives agitator arm 11 to rotate by adapter sleeve 10, and agitator arm 11 rotates and will be deposited to the mud agitation bottom storage tank 36, it is then turned on suction pump 38, slurry liquid is extracted out from blow-off pipe 28.Meanwhile, open intake pump 40, in storage tank 36, reinject water, through mixing, so make precipitation elimination effect more preferable.
Poke rod 11 arranges at least two, it is ensured that the stability of equilibrium of main shaft.Bracing piece 12 plays the effect strengthening poke rod 11 intensity.Wear rib 13 contacts rotation with wear-resistant slide plate, reduces frictional force as far as possible, after wear rib 13 weares and teares, can back out dormant bolt and be replaced wear rib 13.
Owing to shaft 8 passes perpendicularly through base plate 2, between shaft 8 and base plate 2, there is gap, therefore dynamic seal structure is set at shaft 8 outer wall.Dynamic seal structure passes through soft sealed packing 21(soft sealed packing 21, it is commonly called as pureed soft packing, it it is the airtight and watertight padding of a kind of new synthesis of polymer material without asbestos, outward appearance such as clay shape has special plasticity) seal the shaft 8 rotated, by turning regulation bolt 25, make lower ring slider 19 upwards be pushed up by compression spring 24 and press ring slider 20, upper ring slider 20 upwards pushes up pressure soft sealed packing 21 and realizes the shaft 8 sealing in rotation process, it is the inner small and outside big concave structure in cone additionally, due to upper ring slider 20 upper surface, so when upwardly soft sealed packing 21, to the extruding force of soft sealed packing 21 towards shaft 8, improve sealing effectiveness.Upper locating dowel 22 and lower locating dowel 23 play the axis holding vertical direction limiting compression spring 24, make compression spring 24 play good elastic stage.Pressure bearing 26 plays when turning regulation bolt 25, it is to avoid the effect that lower ring slider 19 rotates also with regulation bolt 25.When turning regulation bolt 25, to turn one by one, the most just can ensure that the soft seal flavoring agent pressure that shaft 8 is subject at circumferencial direction is kept in balance, additionally, the locking nut with the top press-fit of sealing gland 16 lower surface can be connected at regulation bolt 25 external screw thread, so can avoid adjusting nut self-relaxation after being adjusted in place.
Above example is only in order to illustrative not limiting technical scheme, although the present invention being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still the present invention can be modified or equivalent, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (6)
1. construction building site rail mounted sized spray dust-suppression system, it is characterised in that: including being laid on the ground cyclic track in construction site, cyclic track is provided with the spray vehicle can advanced along cyclic track, and ground, construction site is provided with the tank of adjacent cycle track；
nullSpray vehicle includes vehicle frame，Vehicle frame is provided with outer case，Bottom of frame is provided with motor reducer and rolls four wheels being connected on cyclic track，Motor reducer is connected with one or two wheel drive by tape handler，Support it is provided with in outer case、Storage tank、Filter、Suction pump and pure water tank，Storage tank top is provided with in storage tank the intake pump supplied water，The water inlet of intake pump connects the oral siphon stretching out outer case，It is connected by water inlet pipe between storage tank with filter，The drainage screen of the import department being positioned at water inlet pipe it is provided with in storage tank，Suction pump is located on water inlet pipe，Water inlet pipe is provided with the water intaking valve between suction pump and filter，It is connected by outlet pipe between filter with pure water tank，Outlet pipe is provided with outlet valve，Pure water tank top connects feed pipe，Connect on feed pipe and have the high-pressure hydraulic pump being located at pure water tank top；Connecting on water inlet pipe and have the junction of blow-off pipe, blow-off pipe and water inlet pipe between water intaking valve and suction pump, blow-off pipe is provided with blowoff valve；
The cylindrical structure of storage tank, is provided with base plate bottom storage tank, storage tank top is provided with case lid, and base plate is located on support, is provided with the scavenger precipitation motor being positioned at below base plate bottom outer case, and the spindle drive of scavenger precipitation motor connects anti-precipitation stirring mechanism；Anti-precipitation stirring mechanism includes vertically disposed shaft, shaft lower end is connected with the main shaft of scavenger precipitation motor by shaft coupling, shaft upper end passes base plate, base plate is provided with and is positioned at around shaft and seals, with shaft outer surface, the dynamic seal structure being slidably matched, shaft upper end is fixed with adapter sleeve, adapter sleeve outer horizontal is provided with at least two agitator arms, agitator arm is that radioactivity is uniformly arranged along adapter sleeve circumferencial direction, connected by bracing piece between adjacent two agitator arms, a wear rib it is equipped with bottom every agitator arm, removably connected with wear rib by sunk screw on agitator arm；
Filter includes that external form is the container of rectangular shape, container inner wall offers cannelure, container top offers the opening of connection corresponding with cannelure, it is inserted with in cannelure by opening and cavity is separated into mixed water cavity and the screen plate in clear water chamber, one end top is provided with the mixed water inlet connected by water inlet pipe with mixed water cavity, container other end top is provided with the clear water output connected by outlet pipe with clear water chamber, container inner wall is provided with and is positioned at screen plate both sides and all in cross bracing frame, container top is connected by fastening bolt pressing plate, pressing plate lower surface is provided with indent, the sealing strip that top reaches in indent it is provided with in opening, cushion block it is provided with in indent, cushion block lower surface and sealing strip upper surface press fit；The eyelet of drainage screen is more than the eyelet of screen plate；
Outer case top is provided with support frame, outer case sidepiece is provided with chamber door, support frame top is provided with mounting cylinder, the centrage of mounting cylinder is arranged in vertical, it is provided with top chock in mounting cylinder, step, drive motor and rotatory sealing attachment means, top chock and step are correspondingly arranged up and down, it is rotatably connected to Hollow Transmission Shafts by clutch shaft bearing and the second bearing respectively in top chock and step, Hollow Transmission Shafts outer wall is bonded the driven gear being connected between top chock and step, the spindle drive driving motor connects driving gear, driving gear engages with driven gear, connection slotted eye is offered at Hollow Transmission Shafts upper end center；Hollow Transmission Shafts upper end is provided with the rotating jet device being positioned at above mounting cylinder；Rotatory sealing attachment means upper end is coaxial with Hollow Transmission Shafts lower end fixing and is tightly connected, rotatory sealing attachment means lower end and the outlet fixed seal connection of feed pipe.
nullConstruction building site the most according to claim 1 rail mounted sized spray dust-suppression system，It is characterized in that: rotatory sealing attachment means includes the cylinder being arranged in vertical，Cylinder is fixed in mounting cylinder，Coaxial in cylinder it is provided with hollow rotary shaft，Hollow rotary shaft top is rotatably connected in cylinder by the 3rd bearing and the 4th bearing，The annular housing between the 3rd bearing and the 4th bearing is formed between cylinder and hollow rotary shaft，Hollow rotary shaft bottom is arranged with bearing trim ring，It is provided with the first sealing ring between bearing trim ring upper inside wall and hollow rotary shaft outer wall，Formed between bearing trim ring inside and hollow rotary shaft and be positioned at the permeable chamber below the first sealing ring，Bearing trim ring outer wall is provided with cannelure，In bearing trim ring, level is communicated with the water-permeable passage of permeable chamber and cannelure，The first O being positioned at upside of the ring groove it is provided with between bearing trim ring outer wall and cylinder inwall，Detachable logical watertight construction it is provided with in cylinder lower port，Press-fit is pushed up with bearing trim ring lower surface in detachable logical watertight construction upper end，Detachable logical watertight construction lower end and the outlet fixed seal connection of feed pipe；Cylinder upper port is threaded upper fastening silk braid, upper fastening silk braid lower end and the 3rd its top top press-fit, is provided with the second sealing ring between upper fastening silk braid inwall and hollow rotary shaft outer wall；
Hollow rotary shaft upper end is stretched out cylinder and extend in connection slotted eye, and hollow rotary shaft upper end is tightly connected by jointing clip is coaxial with Hollow Transmission Shafts lower end, and the centre bore of hollow rotary shaft and the centre bore of Hollow Transmission Shafts are the most corresponding through.
nullConstruction building site the most according to claim 2 rail mounted sized spray dust-suppression system，It is characterized in that: detachable logical watertight construction includes lower contact，Lower contact outer wall thread connects lower fastening silk braid，Lower fastening silk braid outer wall is connected with cylinder inner thread，It is provided with outside lower contact and the lower ring-shaped step of lower fastening silk braid lower end top press-fit，Lower contact upper end is provided with and the upper ring-shaped step of bearing trim ring lower surface top press-fit，Lower contact lower center offers the connector being connected with feed pipe upper end，Blasthole and pilot hole it is provided with in lower contact，Blasthole lower end connects with connector and pilot hole respectively with upper end，The internal diameter of blasthole is less than the internal diameter of pilot hole，Hollow rotary shaft bottom extend in pilot hole through bearing trim ring，The gland extending in pilot hole it is provided with bottom bearing trim ring，The lower surface of gland is less than the lower surface of hollow rotary shaft，Gland inwall and hollow rotary shaft wall contacts，Gland outer wall and pilot hole contact internal walls，Hollow rotary shaft outer wall and pilot hole inwall are filled with the filling sealing ring being positioned at below gland，Fill outside sealing ring lower potion and be provided with the second O between pilot hole inwall，The gland being positioned at below hollow rotary shaft it is provided with in pilot hole，The through hole of pilot hole and blasthole it is communicated with bottom gland，Press-fit is pushed up with filling sealing ring lower end in gland upper end，Gland lower end and the top press-fit of pilot hole bottom interior wall.
Construction building site the most according to claim 3 rail mounted sized spray dust-suppression system, it is characterised in that: cylinder is externally provided with weeper and lubrication hole, and weeper connection corresponding with cannelure, lubrication hole connects with annular housing, is provided with plug in lubrication hole.
5. according to the construction building site rail mounted sized spray dust-suppression system described in any one of claim 1-4, it is characterized in that: rotating jet device includes inner hollow and rotating disk in disk form, disk lower surface center is provided with connection seat, connect seat and be provided with the connecting hole that connect internal with rotating disk, connect in Hollow Transmission Shafts upper end extend into connecting hole and with being connected seat thread seal, the external peripheral surface of rotating disk is uniformly provided with at least four high-pressure nozzle, and the injection direction of high-pressure nozzle tilts upward setting.
null6. according to the construction building site rail mounted sized spray dust-suppression system described in any one of claim 1-4，It is characterized in that: dynamic seal structure includes that bottom is uncovered in cylindrical upper groove，Shaft vertically through upper groove and has same centrage with upper groove，Sealing gland it is arranged with on shaft，The fixing bolt being evenly arranged by a circle outside sealing gland is detachably connected on base plate lower surface，Identical with upper groove internal diameter and upper corresponding low groove it is provided with inside sealing gland，Slide in low groove and be provided with lower ring slider，Slide in upper groove and be provided with ring slider，The outer wall of lower ring slider and upper ring slider and the sidewall contact of upper groove，Lower ring slider contacts with the outer round surface of shaft with the inwall of upper ring slider，The soft sealed packing being positioned at above ring slider it is filled with in upper groove，Upper ring slider lower surface is along the circumferential direction uniformly provided with locating dowel at least three，Lower ring slider upper surface is along the circumferential direction uniformly provided with lower locating dowel the same number of with upper locating dowel，It is arranged with compression spring between the most corresponding upper locating dowel and lower locating dowel，The top and bottom of compression spring respectively with upper ring slider lower surface and lower ring slider upper surface top press-fit，The most threaded on sealing gland have and lower locating dowel the same number of regulation bolt，Lower locating dowel and the regulation upper and lower one_to_one corresponding of bolt，Lower locating dowel lower surface is provided with mounting groove，Regulate in bolt upper end extend into mounting groove and assembled by pressure bearing and be rotatably connected in mounting groove.
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| CN106012941B (en) | 2017-08-11 |
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