CN205413427U - Polyurea spraying equipment and corresponding polyurea composite waterproof layer mechanism - Google Patents
Polyurea spraying equipment and corresponding polyurea composite waterproof layer mechanism Download PDFInfo
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- CN205413427U CN205413427U CN201620152121.2U CN201620152121U CN205413427U CN 205413427 U CN205413427 U CN 205413427U CN 201620152121 U CN201620152121 U CN 201620152121U CN 205413427 U CN205413427 U CN 205413427U
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Abstract
The utility model relates to a polyurea spraying equipment and corresponding polyurea composite waterproof layer mechanism. The easy material partially that appears of current polyurea spraying equipment, therefore, this polyurea spraying equipment includes the A storage bucket, the B storage bucket, a carries the material pump, B carries material pump etc, a carries the material pump and includes the pump body, pump body center inner wall leaves along the circumference has a N plunger chamber, every plunger intracavity side is equipped with a plunger, every plunger chamber outside end is equipped with and portals, all portal and gather into A and carry the material and pump the mouth, all inner column caps are connected all the time on the outer circumference of the circular promotion of A cover, this circular promotion cover passes through the bearing housing on the A eccentric wheel, this A eccentric wheel is fixed at A epaxially, it is identical that A, B carry the material pump, and N is for being greater than 3 positive integer. An axle, B axle are equipped with electric heater unit and agitating unit respectively by coaxial drive, a, B storage bucket. The utility model discloses still relate to polyurea composite waterproof layer mechanism. The utility model has the advantages of do not expect partially, be applicable to the various occasions that need the spraying polyurea.
Description
Technical field
This utility model relates to a kind of polyureas spraying equipment and corresponding polyureas complex waterproof layer mechanism.
Background technology
SPUA waterproof material is the two ingredient elastic body material being polymerized by A, B component, may be used alone or in combination other materials and be used as concrete or other substrate surface waterproof coatings, lining, media-resistant etc., the hard film of different-thickness can be formed, and can be applicable to various occasion and process suitable base material.
But SPUA waterproof material need to use special spraying equipment to spray, conventional domestic polyureas spraying equipment includes that A charging basket, B charging basket, A carry material pump, B carries material pump, compression gas tank and spray gun, A carries material pump, B carries material pump, compression gas tank is respectively equipped with inlet and outlet, described spray gun is provided with three imports and a nozzle, three imports are carried by hose connection A respectively expects that pump discharge, B carry material pump discharge and compression gas tank exports, and A proposes material pump inlet, B proposes material pump inlet and connects A charging basket, B charging basket respectively；Compression gas tank import connects compressed gas source or air compressor machine, and A, B propose material pump inlet and be provided with return valve and reflux pipeline.
Conventional polyureas spraying equipment A carries material pump, B carries and expects that pump is all to use air motor to drive single cylinder piston pump.A carries material pump, B carries material pump and moves back and forth, and resistance is different, asynchrony phenomenon easily occurs, and A carries material pump, B carries material pump and moves back and forth, A material, B material viscosity, difference of specific gravity all can cause A, B to carry material pump discharge pressure shakiness, energy imbalance, and material, causes SPUA out of proportion the most partially.Therefore, polyureas spraying has in the industry the explanation of " polyureas three points of materials of spraying, seven give work ".
The Chinese invention patent of Publication No. CN104324628A discloses a kind of static mixing device for double-component polyureas preparation process, use and synchronize double plunger push rod, preferably solve A and propose the synchronization requirement expecting that pump, B carry material pump, but the same single cylinder piston pump used because of it, can only interval suction, intermittently material spray, when suction, stop material spray, A material, the easily polymerization blocking in mixing tube (5) of B material.To this end, be still difficult to operation.
Import polyureas spraying equipment is in addition to increasing precise electric control device, and basic structure is identical with home equipment, and operation is complicated and price is high, and domestic construction team cannot bear.Existing domestic polyureas spraying equipment, does not has three, a workman of five-year practices experience, it is impossible to use.
Polyureas spraying is in the ascendant, but difficult operation, and fragile existing polyureas spraying equipment has but become the bottleneck of restriction polyureas spraying development and application.
Utility model content
The technical problems to be solved in the utility model is the drawbacks described above how overcoming prior art, it is provided that a kind of polyureas spraying equipment and accordingly polyureas complex waterproof layer mechanism.
For solving above-mentioned technical problem, this polyureas spraying equipment includes that A charging basket, B charging basket, A carry material pump, B carries material pump, compression gas tank and spray gun, A carries material pump, B carries material pump, compression gas tank is respectively equipped with inlet and outlet, described spray gun is provided with three imports and a nozzle, three imports carry material pump discharge by flexible pipe with A respectively, B carries material pump discharge and compression gas tank outlet is connected, and A proposes material pump inlet, B carries and expects that pump inlet connects A charging basket, B charging basket respectively；Compression gas tank import connects compressed gas source or air compressor machine, and A, B propose material pump inlet and be provided with return valve and reflux pipeline.
A carries material pump and includes the pump housing, pump housing center has circular pit, its inwall circumferentially has N number of plunger cavity, each plunger cavity medial extremity is provided with a plunger, each plunger cavity outboard end is provided with and portals, all portalling is interconnected by pipeline or path, and carry material pump discharge with described A and communicate, each plunger cavity inside top is communicated with A charging basket by a charging hole, the inner stigma of all plungers that A carries material pump is connected to A circle all the time and promotes on the excircle of set, this A circle promotes set by bearing holder (housing, cover) on A eccentric, and this A eccentric is fixed on A axle；
B carry material pump structure, plunger quantity, size, arrangement carry with A expect pump identical, and A axle, B axle are driven by same drive shaft, this drive shaft is respectively equipped with electric heater unit and agitating device by air motor or motor-driven, A charging basket, B charging basket, and N is the positive integer more than 3.
It is identical that A, B carry material pump, and is driven by same drive shaft, and A, B carry material pump can remain synchronization, and plunger quantity is greatly increased, and eccentric often rotates one week, and all plungers complete a reciprocating motion, and overall output pressure is more steady.It is so designed that, fundamentally solves A, B and carry that material pump output pressure is unstable, partially expect problem.
As optimization, A, B charging basket is set directly at A, B respectively and carries on the pump housing of material pump, and is respectively equipped with bung, and described electric heater unit is just arranged on A, B charging basket bottom or the pump housing.It is so designed that, simple in construction.
As optimization, described bung includes that A, B seal bung and A, B indicate bung, and A, B seal bung and be provided with screw thread, sealing gasket, and can close the suitable for reading of A, B charging basket；A, B instruction bung can be fastened on A, B charging basket suitable for reading on, its center has through hole, is provided with inserted link in this through hole, and its lower end is provided with inside and outside pressing plate, accompanies rubber piston plate between inside and outside pressing plate, and this rubber piston plate outer rim and A, B charging basket inwall are in close contact.Being so designed that, not the used time, A, B charging basket seals bung with A, B respectively and closes.When needing spraying, changing A, B and indicate bung, A material or B that rubber piston plate is attached in A, B charging basket expect upper surface, and along with A material or the continuous consumption of B material, inserted link exposed parts constantly shortens, such that it is able to instruction A material or B expect residual volume.
As optimization, described drive shaft is worm screw, it is respectively equipped with corresponding worm gear on A axle/B axle, drive shaft and two worm gear composition worm and gear speed-reduction apparatus, A eccentric/B eccentric is positioned at above worm gear, being further fixed on getting rid of wheel on A axle/B axle above A eccentric/B eccentric, all charging holes are positioned at and get rid of wheel surrounding；
The described wheel that gets rid of is also arranged above a circular filter screen cover, and A axle/B axle passes circular filter screen cover, and A axle/B axle top is also fixed one and scraped wheel, and this is scraped wheel and includes that linchpin and the swash plate or spiral lamina, swash plate or the spiral lamina that are connected in linchpin tilt the most in the same direction.Being so designed that, lazy-tongs, agitating device simple in construction, feed is convenient.
As optimization, each plunger cavity is the shoulder hole that outer imperial palace is little, a plunger bushing it is respectively and fixedly provided with in each plunger cavity, it is inner that described plunger is plugged in plunger bushing correspondingly, plunger bushing outer end is additionally provided with one and portals and one-way valve mechanism, under the control of one-way valve mechanism, this one-way conduction that portals with corresponding plunger cavity outboard end that portals
Plunger bushing stage casing has the inlet hole relative with the charging hole of corresponding plunger cavity, inlet hole and be provided with a round boss between portalling, portal and be provided with a threaded capping in each plunger cavity outer end, each capping is provided with a pipeline, or all portalling is interconnected by path, capping perforate on only portalling at one also connects pipeline, carries material pump/B as A and carries material delivery side of pump, and remaining portals and closes with capping.
Being so designed that, only plunger bushing and plunger needs to select high-quality steel, and carries out retrofit, and the pump housing uses common iron, and plunger cavity, only with common Drilling operation, assembles the most very convenient.
nullAs optimization，Described A、B carries and is additionally provided with an anti-bias glassware on flexible pipe between material pump and spray gun，This anti-bias glassware includes hollow housing，In the middle of hollow housing, side is provided with stationary barrier，Opposite side is provided with active clapboard，Relative surface end between active clapboard and stationary barrier all has circular arc recess，Therebetween accompany and can turn envelope post，Stationary barrier、Envelope post can be turned and hollow housing is divided into not connected left secret room and right secret room by active clapboard，Left、It is respectively equipped with mouthpiece before and after right secret room，Above-mentioned mouthpiece is respectively protruding into a left side、In right secret room，And it is the most relative，Left、A balance shrouding it is respectively equipped with between the mouthpiece of right secret room，Two balance shroudings are fixed on and can turn envelope post both sides，Two balance shrouding sectional areas are identical，Balance shrouding two ends are respectively provided on two sides with spherical projection，Spherical projection can seal relative mouthpiece respectively.
When A, B carry material pump discharge pressure suitable time, balance shrouding balance, A material, B material all can be by left and right secret room discharging.When A, B carry material pump discharge pressure deviation excessive time, balance shrouding is unbalance, the balance shrouding of pressure high side moves, seals the mouthpiece of the port of export, and the balance shrouding of pressure downside seals the mouthpiece of arrival end, thus cuts off A material, B material, as shown in figure 14 simultaneously.It is so designed that, can effectively prevent what polyureas spraying process occurred partially to expect phenomenon.
This utility model utilizes the method for aforesaid polyureas spraying equipment spray polyurea waterproof layer, comprises the steps:
1.. it is separately added into A material, B material to A charging basket, B charging basket, A material, B material consumption volume ratio are 1: 1, wherein said B material by the polyether polyol of 20%～30% weight, 15%～20% weight dibutyl ester, 15%～20% weight high boiling solvent, 35%～40% weight chain extender, 2%～4% weight pigment, 1%～2% the dispersant of weight form, described A material is mixed by weight 7～9: 11～13 by polyether polyol and isocyanates；
2.. start air compressor machine, make the stable gas pressure of compression gas tank between 5～8kgf/cm2；
3.. start electric heater unit and agitating device, it is ensured that A, B material temperature within the barrel is maintained between 25 DEG C～80 DEG C；
4.. check that A, B carry material pump, check and cleaning spray gun, make to be in optimum state；
5.. start A and carry material pump, B and carry material pump, regulated by regulation reflux inlet, A is carried material pump, that B carries material pump discharge pressure is stable between 100～150kgf/cm2,
When returning stream, touching A, B material with hands and export position metalwork, be in feel and be not less than 40 DEG C, not higher than 100 DEG C are as the criterion；
6.. spraying
During spraying, spray gun makes straight rifle as far as possible, is i.e. perpendicular to work surface, and distance is not less than 30 centimetres, and no more than 1.5 meters, previous rifle about 50% pushed down by a rear rifle,
7.. cleaning
After spraying operation completes, stopping A carrying material pump, B carries material pump, and by return valve and reflux pipeline release；A charging basket, B charging basket are closed, the flexible pipe on spray gun is pulled down, with adhesive tape or capping by flexible pipe port closed, the remaining polyureas at the mixing unit of spray gun and nozzle thereof is removed.Being so designed that, convenient next time uses.
As optimization, being Demountable metallic parts at the mixing unit of described spray gun and nozzle thereof, 7. the when clearing up, and is removed by above-mentioned parts, with burning the above-mentioned parts that burn, until the remaining polyureas at the mixing unit of spray gun and nozzle thereof burns till ashes completely and removes.It is so designed that, cleaning simplicity.
This utility model utilizes that aforementioned polyureas spraying equipment sprays polyureas complex waterproof layer mechanism, including matrix, it is characterized in that: outer surface of matrix is accompanied by spontaneous recovery creep coating, described spontaneous recovery creep coating outer surface is also coated with polyurea water-proof layer, wherein spontaneous recovery creep coating is made up of uncured rubber asphalt material, and polyurea water-proof layer is formed by the spraying of aforesaid polyureas spraying equipment.Being so designed that, described polyureas complex waterproof layer mechanism can successfully manage matrix deformation, and when crack, hole occurs in matrix, spontaneous recovery creep coating can be filled in time, thus ensures the complete and water resistance of polyureas complex waterproof layer mechanism.
This utility model polyureas spraying equipment has scientific structure, advantage easy and simple to handle, it it is the powerful mean overcoming polyureas spraying development bottleneck, its spraying method is simple, polyureas complex waterproof layer mechanism has prominent self-healing performance accordingly, may be used alone or in combination other materials and be used as concrete or other substrate surface waterproof coating, lining, media-resistant etc., the hard film of different-thickness can be formed, and can be applicable to various occasion and process suitable base material.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this polyureas spraying equipment and corresponding polyureas complex waterproof layer mechanism are described further:
Fig. 1 is the structural representation of the disclosed static mixing device for double-component polyureas preparation process of Chinese invention patent of Publication No. CN104324628A；
In Fig. 1,1 is storage vat, 2 is feed pipe, 3 is plunger displacement pump, 4 is discharge nozzle, 5 is static mixing tube, 6 is inlet valve, 7 is plunger stem, 8 is outlet valve, 51 is the discharging opening of static mixing tube.
The structural representation of Fig. 2 this polyureas spraying equipment embodiment one；
Fig. 3 is that A, B of this polyureas spraying equipment embodiment one carry material pump and the structural representation of A, B sealing bung；
Fig. 4 is the part section structural representation (cuing open rubber piston plate except 1/4th along the face crossing axis) of A, B instruction bung of this polyureas spraying equipment embodiment one；
Fig. 5 is that A, B of this polyureas spraying equipment embodiment one carry material pump and A, B charging basket, the structural representation of A, B instruction bung；
In Fig. 6 Fig. 5, A carries material pump or B carries material pump and removes the structural representation of A or B charging basket；
Fig. 7 is that in Fig. 6, A carries material pump or B carries the pump housing of material pump and scrapes the structural representation of wheel；
Fig. 8 is A/B axle, A/B circle promotion set and the structural representation of A/B eccentric；
Fig. 9 is the pump housing and the structural representation of plunger of this polyureas spraying equipment embodiment one；
The pump housing of Figure 10 this polyureas spraying equipment embodiment two and the structural representation of plunger；
Figure 11 is that Figure 10 cuts open except cross-section structure after top half along crossing plunger axial line horizontal profile；
Figure 12 is the plunger bushing of this polyureas spraying equipment embodiment two, plunger and one-way valve mechanism structural representation；
Figure 13 is the explosive view of Figure 12；
Figure 14 is the anti-bias glassware generalized section (cuing open except half along the section crossing mouthpiece centerline) of this polyureas spraying equipment embodiment two；
Figure 15 is the structural representation of this polyureas complex waterproof layer mechanism.
nullIn Fig. 2-15，1 is A charging basket、2 is B charging basket、3 carry material pump for A、4 carry material pump for B、5 is compression gas tank、6 is spray gun、7 is nozzle、8 is return valve、9 is reflux pipeline、10 is the pump housing、11 is plunger cavity、12 is plunger、13 is charging hole、14 promote set for A circle、15 is A eccentric、16 is A axle、17 promote set for B circle、18 is B eccentric、19 is B axle、20 is drive shaft、21 is A、B seals bung、22 is A、B indicates bung、23 is inserted link、24 is rubber piston plate、25 for getting rid of wheel、26 is circular filter screen cover、27 for scraping wheel、28 is plunger bushing、29 is one-way valve mechanism、30 is round boss、31 is capping、32 is path、33 is hollow housing、34 is stationary barrier、35 is active clapboard、36 for can turn envelope post、37 is mouthpiece、38 is balance shrouding、39 spherical projections、40 is matrix、41 is spontaneous recovery creep coating、42 is polyurea water-proof layer、43 is Pressure gauge、44 is spraying valve、45 for supporting rubber piston plate and the parts of inserted link、The knob that 46 is regulation active clapboard clamping degree.
Detailed description of the invention
Embodiment one: as shown in figs. 2-9, this polyureas spraying equipment includes that A charging basket 1, B charging basket 2, A carry material pump 3, B carries material pump 4, compression gas tank 5 and spray gun 6.A carries that material pump 3, B carry material pump 4, compression gas tank 5 is respectively equipped with inlet and outlet, and described spray gun 6 is provided with three imports and a nozzle 7, and three imports propose the material outlet of pump 3 by flexible pipe with A respectively, B carries and expects that the outlet of pump 4 and the outlet of compression gas tank 5 are connected.
As in figure 2 it is shown, A proposes the material import of pump 3, B carries and expects that the import of pump 4 connects A charging basket 1, B charging basket 2 respectively；The import of compression gas tank 5 connects compressed gas source or air compressor machine (not shown), and A, B carry material pump 1,2 and be provided with return valve 8 and reflux pipeline 9.
As Figure 6-9, A carries material pump 3 and includes the pump housing 10, the pump housing 10 center has circular pit, its inwall circumferentially has N number of plunger cavity 11, each plunger cavity 11 medial extremity is provided with a plunger 12, each plunger cavity 11 outboard end is provided with and portals, and all portalling is interconnected by pipeline, and the outlet carrying material pump 3 with described A communicates.Each plunger cavity 11 inside top is communicated with A charging basket 1 by a charging hole 13, the inner stigma of all plungers that A carries material pump 3 is connected to A circle all the time and promotes on the excircle of set 14, this A circle promotes set 14 by bearing holder (housing, cover) on A eccentric 15, and this A eccentric 15 is fixed on A axle 16；
B carry material the structure of pump 4, plunger quantity, size, arrangement carry with A expect pump identical.
I.e. B carries material pump 4 and includes the pump housing 10, the pump housing 10 center has circular pit, its inwall circumferentially has N number of plunger cavity 11, each plunger cavity 11 medial extremity is provided with a plunger 12, each plunger cavity 11 outboard end is provided with and portals, all portalling is interconnected by pipeline, and the outlet carrying material pump 4 with described B communicates, each plunger cavity 11 inside top is communicated with B charging basket 2 by a charging hole 13, the inner stigma of all plungers that B carries material pump 4 is connected to B circle all the time and promotes on the excircle of set 17, this B circle promotes set 17 by bearing holder (housing, cover) on B eccentric 18, this B eccentric 18 is fixed on B axle 19.
A axle 16, B axle 19 are driven by same drive shaft 20, this drive shaft 20 is driven by air motor or motor (not shown), A charging basket 1, B charging basket 2 are respectively equipped with electric heater unit (not shown) and agitating device, and N is the positive integer more than 3.
Carrying on the pump housing 10 of material pump 3,4 as it is shown on figure 3, A, B charging basket 1,2 is set directly at A, B respectively, and be respectively equipped with bung, described electric heater unit is just arranged on A, B charging basket 1,2 bottom or the pump housing 10.
As shown in Fig. 3,4,5, described bung includes that A, B seal bung 21 and A, B indicate bung 22, and A, B seal bung 21 and be provided with screw thread, sealing gasket, and can close the suitable for reading of A, B charging basket 1,2；A, B instruction bung 22 can be fastened on A, B charging basket 1,2 suitable for reading on, its center has through hole, is provided with inserted link 23 in this through hole, and its lower end is provided with inside and outside pressing plate, accompanying rubber piston plate 24 between inside and outside pressing plate, this rubber piston plate 24 outer rim is in close contact with A, B charging basket 1,2 inwall.The parts 45 supporting rubber piston plate and inserted link in Fig. 6 should be suitable with himself and rubber piston plate and inserted link weight, and the lifting of such inserted link is not influenced by gravitation, the most relevant with the material liquid material liquid level in A, B charging basket.
As shown in Figure 6, described drive shaft 20 is worm screw, corresponding worm gear (not shown) it is respectively equipped with on A axle 16, B axle 19, drive shaft 20 and two worm gear composition worm and gear speed-reduction apparatus, A eccentric 15/B eccentric 18 is positioned at above worm gear, being further fixed on getting rid of wheel 25 on A axle 16 above A eccentric 15/B eccentric 18, B axle 19, all charging holes 13 are positioned at and get rid of wheel 25 surroundings；
As shown in Figure 6, the described wheel 25 that gets rid of is also arranged above a circular filter screen cover 26, A axle 16, B axle 19 are through circular filter screen cover 26, A axle 16/B axle 19 top is also fixed one and is scraped wheel 27, this is scraped wheel 27 and includes that linchpin and the swash plate or spiral lamina, swash plate or the spiral lamina that are connected in linchpin tilt the most in the same direction.
Described get rid of wheel 25 and scrape wheel and 27 collectively constitute described agitating device.
Embodiment two: as shown in figures 10-13, portalling of each plunger cavity 11 outer end is interconnected by path 32.Each plunger cavity 11 is the shoulder hole that outer imperial palace is little, a plunger bushing 28 it is respectively and fixedly provided with in each plunger cavity 11, it is inner that described plunger 12 is plugged in plunger bushing 28 correspondingly, plunger bushing 28 outer end is additionally provided with one and portals and one-way valve mechanism 29, under the control of one-way valve mechanism 29, this one-way conduction that portals with corresponding plunger cavity 11 outboard end that portals.
Plunger bushing 28 stage casing has an inlet hole relative with the charging hole 13 of corresponding plunger cavity 11, inlet hole and be provided with a round boss 30 between portalling, and portals and be provided with a threaded capping 31 in each plunger cavity 11 outer end.Each capping 31 is provided with a pipeline (such as Fig. 3,5,6,7,9).
Or all portalling is interconnected by path 32, only portal at one on capping 31 perforate and connect pipeline, carry material pump 3/B as A and propose the outlet of material pump 4, remaining portals with capping 31 closing (such as Figure 10, shown in 11).
Remaining structure and parts as described in embodiment 1, omit.
nullEmbodiment three: as shown in figure 14，Described A、B carries material pump 3、An anti-bias glassware it is additionally provided with on flexible pipe between 4 and spray gun 5，This anti-bias glassware includes hollow housing 33，The middle side of hollow housing 33 is provided with stationary barrier 34，Opposite side is provided with active clapboard 35，Relative surface end between active clapboard 35 and stationary barrier 34 all has circular arc recess，Therebetween accompany and can turn envelope post 36，Stationary barrier 34、Envelope post 36 and active clapboard 35 can be turned and be divided into not connected left secret room and right secret room by internal for hollow housing 33，Hollow housing 33 forms a chute at the opposite side of stationary barrier 34，Described active clapboard 35 is arranged in this chute，And it is furnished with the knob 46 of regulation active clapboard clamping degree，The rotational resistance that can turn envelope post 36 can be adjusted by adjusting knob 46，And then regulate the sensitivity of anti-bias glassware.
Left, mouthpiece 37 it is respectively equipped with before and after right secret room, above-mentioned mouthpiece 37 is respectively protruding into a left side, in right secret room, and it is the most relative, left, a balance shrouding 38 it is respectively equipped with between the mouthpiece 37 of right secret room, two balance shroudings 38 are fixed on and can turn envelope post 36 both sides, two balance shrouding 38 sectional areas are identical, balance shrouding two ends are respectively provided on two sides with spherical protruding 39, spherical protruding 39 can seal relative mouthpiece 37 respectively, mouthpiece 37 two ends connect A respectively, B carries material pump 3, flexible pipe between 4 and spray gun 5, remaining structure and parts are as described in embodiment one or two, slightly.
The method utilizing polyureas spraying equipment spray polyurea waterproof layer described in embodiment one or two or three, comprises the steps:
1.. it is separately added into 30 liters of A material and 30 liters of B material to A charging basket, B charging basket, A material, B material consumption volume ratio are 1: 1, wherein said B material is formed by the polyether polyol of 30% weight, the dibutyl ester of 15% weight, the high boiling solvent of 15% weight, the chain extender of 37% weight, the pigment of 2% weight, the dispersant of 1% weight, and described A material is mixed by weight 8: 12 by polyether polyol and isocyanates；
2.. start air compressor machine, make the stable gas pressure of compression gas tank 5 5～8kgf/cm2Between；
3.. start electric heater unit and agitating device, it is ensured that in A, B charging basket 1,2, temperature is maintained between 25 DEG C～80 DEG C；
4.. check that A, B carry material pump 3,4, check and cleaning spray gun, make to be in optimum state；
5.. start A and carry material pump, B and carry material pump 3,4, by regulation return valve 8, A is carried material pump 3, that B carries material pump 4 outlet pressure is stable 100～150kgf/cm2Between,
When returning stream, touching A, B material with hands and export position metalwork, be in feel and be not less than 40 DEG C, not higher than 100 DEG C are as the criterion；
6.. spraying
During spraying, spray gun 6 makes straight rifle as far as possible, is i.e. perpendicular to work surface, and distance is not less than 30 centimetres, and no more than 1.5 meters, previous rifle about 50% pushed down by a rear rifle,
7.. cleaning
After spraying operation completes, stopping A carrying material pump 3, B carries material pump 4, and by return valve 8 and reflux pipeline 9 release；A charging basket 1, B charging basket 2 are closed, the flexible pipe on spray gun 6 is pulled down, with adhesive tape or capping by flexible pipe port closed, the remaining polyureas at the mixing unit of spray gun 6 and nozzle 7 thereof is removed.
Being Demountable metallic parts at the mixing unit of described spray gun 6 and nozzle 7 thereof, 7. the when clearing up, and is removed by above-mentioned parts, with burning the above-mentioned parts that burn, until the remaining polyureas at the mixing unit of spray gun 6 and nozzle 7 thereof burns till ashes completely and removes.
Gained polyurea water-proof layer (SPUA) solid content 100%, gel time is more than 5 seconds, and hot strength 25MPA continues and splits the rate of stretching and reach more than 400%.Tearing strength reaches 50N/MM.
B material formula is changed into: formed by the polyether polyol of 20% weight, the dibutyl ester of 20% weight, the high boiling solvent of 20% weight, the chain extender of 35% weight, the pigment of 3.5% weight, the dispersant of 1.5% weight, A material formula is changed into: mixed by weight 7: 13 by polyether polyol and isocyanates.Repeating above-mentioned 1. to 7. walking, gained polyurea water-proof layer (SPUA) solid content 100%, gel time is more than 5 seconds, and hot strength 16MPA continues and splits the rate of stretching and reach more than 400%.Tearing strength reaches 50N/MM.
B material formula changes into the polyether polyol of 22% weight, the dibutyl ester of 16% weight, the high boiling solvent of 16% weight, the chain extender of 40% weight, the pigment of 4% weight, the dispersant of 2% weight form, and described A material is mixed by weight 9: 11 by polyether polyol and isocyanates.Repeating above-mentioned 1. to 7. walking, gained polyurea water-proof layer (SPUA) solid content 100%, gel time is more than 5 seconds, and hot strength 16MPA continues and splits the rate of stretching and reach more than 350%.Tearing strength reaches 50N/MM.
As shown in figure 15, this utility model polyureas complex waterproof layer mechanism includes matrix 40, matrix 40 outer surface is accompanied by spontaneous recovery creep coating 41, described spontaneous recovery creep coating 41 outer surface is also coated with polyurea water-proof layer 42, wherein spontaneous recovery creep coating 41 is made up of uncured rubber asphalt material, and polyurea water-proof layer 42 is sprayed by the polyureas spraying equipment described in embodiment one or two or three and forms.
Claims (7)
1. a polyureas spraying equipment, including A charging basket, B charging basket, A carries material pump, B carries material pump, compression gas tank and spray gun, A carries material pump, B carries material pump, compression gas tank is respectively equipped with inlet and outlet, described spray gun is provided with three imports and a nozzle, three imports carry material pump discharge by flexible pipe with A respectively, B carries material pump discharge and compression gas tank outlet is connected, and A proposes material pump inlet, B carries and expects that pump inlet connects A charging basket, B charging basket respectively；Compression gas tank import connects compressed gas source or air compressor machine, A, B carries material pump and is provided with return valve and reflux pipeline, it is characterized in that: A carries material pump and includes the pump housing, pump housing center has circular pit, its inwall circumferentially has N number of plunger cavity, each plunger cavity medial extremity is provided with a plunger, each plunger cavity outboard end is provided with and portals, all portalling is interconnected by pipeline or path, and carry material pump discharge with described A and communicate, each plunger cavity inside top is communicated with A charging basket by a charging hole, the inner stigma of all plungers that A carries material pump is connected to A circle all the time and promotes on the excircle of set, this A circle promotes set by bearing holder (housing, cover) on A eccentric, this A eccentric is fixed on A axle；
B carry material pump structure, plunger quantity, size, arrangement carry with A expect pump identical, and A axle, B axle are driven by same drive shaft, this drive shaft is respectively equipped with electric heater unit and agitating device by air motor or motor-driven, A charging basket, B charging basket, and N is the positive integer more than 3.
2. polyureas spraying equipment as claimed in claim 1, it is characterised in that: A, B charging basket is set directly at A, B respectively and carries on the pump housing of material pump, and is respectively equipped with bung, and described electric heater unit is just arranged on A, B charging basket bottom or the pump housing.
3. polyureas spraying equipment as claimed in claim 2, it is characterised in that: described bung includes that A, B seal bung and A, B indicate bung, and A, B seal bung and be provided with screw thread, sealing gasket, and can close the suitable for reading of A, B charging basket；A, B instruction bung can be fastened on A, B charging basket suitable for reading on, its center has through hole, is provided with inserted link in this through hole, and its lower end is provided with inside and outside pressing plate, accompanies rubber piston plate between inside and outside pressing plate, and this rubber piston plate outer rim and A, B charging basket inwall are in close contact.
4. polyureas spraying equipment as claimed in claim 2, method and corresponding polyurea water-proof Rotating fields, it is characterized in that: described drive shaft is worm screw, it is respectively equipped with corresponding worm gear on A axle/B axle, drive shaft and two worm gear composition worm and gear speed-reduction apparatus, A eccentric/B eccentric is positioned at above worm gear, being further fixed on getting rid of wheel on A axle/B axle above A eccentric/B eccentric, all charging holes are positioned at and get rid of wheel surrounding；
The described wheel that gets rid of is also arranged above a circular filter screen cover, and A axle/B axle passes circular filter screen cover, and A axle/B axle top is also fixed one and scraped wheel, and this is scraped wheel and includes that linchpin and the swash plate or spiral lamina, swash plate or the spiral lamina that are connected in linchpin tilt the most in the same direction.
5. polyureas spraying equipment as claimed in claim 3, it is characterized in that: each plunger cavity is the shoulder hole that outer imperial palace is little, a plunger bushing it is respectively and fixedly provided with in each plunger cavity, it is inner that described plunger is plugged in plunger bushing correspondingly, plunger bushing outer end is additionally provided with one and portals and one-way valve mechanism, under the control of one-way valve mechanism, this one-way conduction that portals with corresponding plunger cavity outboard end that portals
Plunger bushing stage casing has the inlet hole relative with the charging hole of corresponding plunger cavity, inlet hole and be provided with a round boss between portalling, portal and be provided with a threaded capping in each plunger cavity outer end, each capping is provided with a pipeline, or all portalling is interconnected by path, capping perforate on only portalling at one also connects pipeline, carries material pump/B as A and carries material delivery side of pump, and remaining portals and closes with capping.
null6. the polyureas spraying equipment as described in claim 1 to 5 is arbitrary，It is characterized in that: described A、B carries and is additionally provided with an anti-bias glassware on flexible pipe between material pump and spray gun，This anti-bias glassware includes hollow housing，In the middle of hollow housing, side is provided with stationary barrier，Opposite side is provided with active clapboard，Relative surface end between active clapboard and stationary barrier all has circular arc recess，Therebetween accompany and can turn envelope post，Stationary barrier、Envelope post can be turned and hollow housing is divided into not connected left secret room and right secret room by active clapboard，Left、It is respectively equipped with mouthpiece before and after right secret room，Above-mentioned mouthpiece is respectively protruding into a left side、In right secret room，And it is the most relative，Left、A balance shrouding it is respectively equipped with between the mouthpiece of right secret room，Two balance shroudings are fixed on and can turn envelope post both sides，Two balance shrouding sectional areas are identical，Balance shrouding two ends are respectively provided on two sides with spherical projection，Spherical projection can seal relative mouthpiece respectively.
7. utilize the polyureas complex waterproof layer mechanism of the arbitrary described polyureas spraying equipment spraying of claim 1 to 6, including matrix, it is characterized in that: outer surface of matrix is accompanied by spontaneous recovery creep coating, described spontaneous recovery creep coating outer surface is also coated with polyurea water-proof layer, wherein spontaneous recovery creep coating is made up of uncured rubber asphalt material, and polyurea water-proof layer is formed by the arbitrary described polyureas spraying equipment spraying of claim 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152121.2U CN205413427U (en) | 2016-02-29 | 2016-02-29 | Polyurea spraying equipment and corresponding polyurea composite waterproof layer mechanism |
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| CN201620152121.2U CN205413427U (en) | 2016-02-29 | 2016-02-29 | Polyurea spraying equipment and corresponding polyurea composite waterproof layer mechanism |
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| CN205413427U true CN205413427U (en) | 2016-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597963A (en) * | 2016-02-29 | 2016-05-25 | 山东联创建筑节能科技有限公司 | Polyurea spraying equipment and spraying method and corresponding polyurea composite waterproof layer mechanism |
| CN106579673A (en) * | 2016-12-11 | 2017-04-26 | 王伟 | Rudraksha slurry wrapping device and method |
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2016
- 2016-02-29 CN CN201620152121.2U patent/CN205413427U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597963A (en) * | 2016-02-29 | 2016-05-25 | 山东联创建筑节能科技有限公司 | Polyurea spraying equipment and spraying method and corresponding polyurea composite waterproof layer mechanism |
| CN105597963B (en) * | 2016-02-29 | 2018-09-21 | 山东联创建筑节能科技有限公司 | Polyureas spraying equipment, spraying method and corresponding polyureas complex waterproof layer mechanism |
| CN106579673A (en) * | 2016-12-11 | 2017-04-26 | 王伟 | Rudraksha slurry wrapping device and method |
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Address after: 255000 South of Lutai Avenue and East of Chuangye Avenue, High-tech Zone, Zibo City, Shandong Province Patentee after: Shandong Lianchuang New Material Industry Co.,Ltd. Address before: South Head of Chuangye Road, Economic Development Zone, Zhangdian District, Zibo City, Shandong Province, 255000 Patentee before: SHANDONG LECRON CONSTRUCTION ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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