CN113997399B - Special integrated distributed spray head assembly for special-shaped space curved surface special spraying - Google Patents
Special integrated distributed spray head assembly for special-shaped space curved surface special spraying Download PDFInfo
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- CN113997399B CN113997399B CN202111062098.XA CN202111062098A CN113997399B CN 113997399 B CN113997399 B CN 113997399B CN 202111062098 A CN202111062098 A CN 202111062098A CN 113997399 B CN113997399 B CN 113997399B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
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Abstract
The invention discloses a special integrated distributed spray head assembly for special spray of special-shaped space curved surfaces, which relates to the technical field of mechanical engineering and comprises an eccentric spray head, wherein the eccentric spray head comprises a first arc pipe, more than one group of first connecting hole groups are formed on the first arc pipe, the included angle of the central line of any one first connecting hole of the first connecting hole groups of adjacent groups is an acute angle, a first small spray head is arranged on the first connecting hole, and the first small spray head is eccentrically arranged along a first arc; the centripetal sprayer comprises a second arc pipe, wherein more than one group of second connecting hole groups are formed in the second arc pipe, the included angle of the central line of any one second connecting hole of the second connecting hole group of the adjacent group is an acute angle, a second small sprayer is arranged on the second connecting hole, and the second small sprayer is arranged along the second arc in a centripetal manner. The shower nozzle of this disclosed technical scheme can satisfy the roof beam body and remove the requirement of spraying. Has wide application and popularization prospect.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to a special integrated distributed spray head assembly for special spraying of a special-shaped space curved surface.
Background
The vehicle-mounted spray head of the annular spray vehicle for the beam field can spray the lower surface of the flange of the precast beam, the outer side surface of the web, the bottom surface of the bottom plate, the top end surfaces and the bottom end surfaces of the left side and the right side of the precast beam, wherein the spraying of the top end surfaces and the bottom end surfaces of the left side and the right side of the precast beam and the bottom surface of the bottom plate of the precast beam is a technical difficulty. When the existing spray head advances along the long direction of the beam, the spray head is difficult to spray the top end faces and the bottom end faces of the left side and the right side of the precast beam and the bottom surface of the bottom plate of the precast beam, and the problem to be solved urgently is to design an integrated distributed spray head which can carry out the top end faces and the bottom end faces of the left side and the right side of the precast beam and the bottom surface of the bottom plate of the precast beam in the advancing process of the spray vehicle.
Disclosure of Invention
In order to overcome the problems in the related art, the disclosed embodiment of the invention provides a special integrated distributed spray head assembly for special spraying of a special-shaped space curved surface. The technical scheme is as follows:
according to a first aspect of the disclosed embodiments of the present invention, there is provided a special integrated distributed spray head assembly for special spraying of a special-shaped spatial curved surface, comprising a special-shaped spatial curved surface, wherein the special-shaped spatial curved surface is a spatial curved surface of a precast beam, and the precast beam comprises: the web in the edge of a wing, middle part and the bottom plate of bottom that upper portion encorbelmented, the spray face of precast beam includes: the lower surface on edge of a wing, the lateral surface of web and the bottom surface of bottom plate, this special-shaped space curved surface special type sprays special integrated distributing type shower nozzle subassembly and includes:
the eccentric nozzle comprises a first arc pipe, two groups of first connecting hole groups are formed in the first arc pipe, the included angle of the central line of any one first connecting hole of the first connecting hole groups of adjacent groups is an acute angle, a first small nozzle is arranged on each first connecting hole, and the first small nozzles are eccentrically arranged along the first arc;
the centripetal sprayer comprises a second arc pipe, two groups of second connecting hole groups are formed in the second arc pipe, the included angle of the central line of any one second connecting hole of the second connecting hole groups of adjacent groups is an acute angle, a second small sprayer is arranged on each second connecting hole, and the second small sprayers are arranged centripetally along a second arc;
the included angle of the central line plane projection of any adjacent first small spray nozzle of the eccentric spray nozzle is 2-3 degrees;
the included angle of the projection of the central line plane of any adjacent second small nozzle of the centripetal nozzle is 2-3 degrees;
the first connecting holes at the end parts of the adjacent groups are aligned or staggered, and the second connecting holes at the end parts of the adjacent groups are aligned or staggered;
the first connecting holes positioned in the middle of the adjacent groups are distributed in a staggered manner, the second connecting holes positioned in the middle of the adjacent groups are distributed in a staggered manner, the first connecting holes are provided with first small spray heads, the second connecting holes are provided with second small spray heads, the first small spray heads and the second small spray heads are suggested to be threaded copper spray heads or plastic spray heads, the cross sections of the first small spray heads and the second small spray heads are circular, the diameters of the first small spray heads and the second small spray heads are not more than 6mm, when the water pressure is 0.3MPa, the connecting aperture is preferably 1-1.5mm, and the spraying distance is not less than 3.5m; the first arc pipe and the second arc pipe can be made of aluminum alloy pipes, plastic materials or self-copper pipes, and the wall thickness is preferably 1-1.5 mm;
the first small nozzle and the second small nozzle can be connected with the arc pipe in a threaded manner or can be implanted in a nail shooting mode through an air pump and the like;
compared with the side-by-side arrangement of the first small spray heads or the second small spray heads which are arranged in a staggered manner, the cross-sectional area of spraying can be increased.
In one embodiment, the first circular arc pipe and the second circular arc pipe are both circular pipes bent into arc structures not larger than a semicircle; and the second connecting hole group on the second circular arc pipe is arranged on the arc sections which are relatively close to the top end surface and the bottom end surface of the special-shaped space curved surface and are 90-180 degrees.
In one embodiment, the calculation formula of the spraying cross section of the eccentric spray head and the centripetal spray head spraying together is as follows:
spray cross-sectional area: s;
pressure of the water pump:
preferably 3.2 kilograms; can not be less than 2.9;
the total number of double rows of second small spray heads with the aperture of the water outlet of the upper tubular water-through spreading arm being 1.0 mm:
；
the total number of double rows of first small spray heads with the aperture of 1.0mm at the water outlet of the water-through spreading arm and capable of being opened and closed at the bottom of the lower part is as follows: m;
the included angle of the surface where the first small spray heads of different groups are located is as follows:
considering the spraying time, the included angle of 20-30 degrees is suitable;
the included angle of the surface where the second small spray heads of different groups are located is as follows:
considering the spraying time, the included angle of 20-30 degrees is suitable;
the vertical distance h from the eccentric point B of the eccentric nozzle at the lower part to the outer edge line of the bottom surface Q of the bottom plate of the precast beam;
the horizontal distance z of the eccentric point B of the lower eccentric sprinkler from the outer edge line of the bottom surface Q of the floor of the precast girder.
According to a first aspect of the embodiment of the disclosure, a toroidal spray truck for a beam field is provided, wherein the toroidal spray truck is provided with the special-shaped space curved surface special spray integrated distributed spray head assembly, and comprises a spray truck, a telescopic vertical water through stand column is arranged on the spray truck, a tubular water through spreading arm communicated with the inside of the telescopic vertical water through stand column is arranged on the telescopic vertical water through stand column, and end parts of the tubular water through spreading arm are respectively provided with a centripetal spray head; the bottom of spray truck is equipped with the bottom and can opens and shuts the water exhibition arm that leads to, the tip that the bottom can open and shut leads to the water exhibition arm is equipped with eccentric shower nozzle respectively.
In one embodiment, the second small nozzle of the centripetal nozzle correspondingly sprays the lower surface of the flange of the precast beam, the outer side surface of the web and the top end surface of the precast beam; and the first small spray nozzle of the eccentric spray nozzle sprays the bottom end surfaces of the left side and the right side of the precast beam and the bottom surface of the bottom plate of the precast beam.
According to a first aspect of the embodiments of the present disclosure, a manufacturing apparatus for the special-shaped spatial curved surface spraying dedicated integrated distributed nozzle assembly is provided, the manufacturing apparatus includes:
a round chassis;
the assembly for punching and positioning along the circumferential direction is coaxially connected with the round bottom disc;
the angle-adjustable punching assembly is connected with the assembly for punching and positioning along the circumferential direction.
In one embodiment, the circumferential punch positioning assembly comprises:
the servo motor for punching and positioning along the circumferential direction is fixed at the lower end of the round chassis, and the rotating end of the servo motor for punching and positioning along the circumferential direction extends out of the round chassis upwards;
the rotatable upright post is connected with the rotating end of the servo motor for punching and positioning along the circumferential direction;
the cylinder type fixing frame is fixedly connected with the upper end of the rotatable upright post.
In one embodiment, the angularly adjustable drilling assembly comprises:
the sliding rail is connected with the cylindrical fixing frame through the combined supporting frame;
the first end of the sliding bar is connected with the sliding rail in an occluded manner;
the second end of the sliding bar is connected with the punching mechanism;
the servo motor for adjusting the angle of the sliding rail is fixed at one end of the cylindrical fixing frame, and the driving end of the servo motor for adjusting the angle of the sliding rail is connected with the end part of the sliding rail.
In one embodiment, the round bottom disc is provided with a groove with a semicircular end face along the circumferential direction, and the groove is used for positioning the spray head bent pipe.
In one embodiment, the cross section of the sliding rail is in a convex structure, and the cross section of the sliding bar is in a concave structure.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the first small spray heads of the first eccentric spray head and the second eccentric spray head are eccentrically arranged along an arc, and are used for spraying the bottom end surfaces H on the left side and the right side of the precast beam and the bottom surface Q of the bottom plate of the precast beam in a linear mode;
a second small nozzle of the centripetal nozzle is arranged along an arc and centripetal, and is used for linear injection, so that the top end surfaces G of the left side and the right side of the precast beam, the outer side surface N of the web plate and the lower surface M of the flange can be sprayed;
thirdly, calculating the area of the spraying cross section by using a calculation formula of the area of the spraying cross section, and adjusting corresponding parameters.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 (A) is a cross-sectional view of a centripetal spray head according to the present invention;
FIG. 1 (B) is a cross-sectional view of an eccentric spray head according to the present invention;
FIG. 2 (A) is a schematic view showing the staggered arrangement of the first small nozzles fitted to the adjacent groups of the first connection holes according to the present invention;
FIG. 2 (B) is a schematic view showing the first connection holes of adjacent groups of the first small nozzles aligned with their ends and staggered with respect to each other;
FIG. 3 (A) is a schematic view showing the staggered arrangement of the second small nozzles assembled with the second connecting holes of the adjacent groups according to the present invention;
FIG. 3 (B) is a schematic view showing the second small nozzle assembled with the second connecting holes of the adjacent group of the present invention with the end portions aligned and the middle portions staggered;
FIG. 4 (A) is an eccentric angle β of the first small nozzle of the end of the lower eccentric nozzle of the present invention;
FIG. 4 (B) is a view showing the centripetal angle α of the second small nozzle provided at the end of the upper centripetal nozzle according to the present invention;
FIG. 5 is a schematic view of the included angle D of the first small spray heads adjacent to the same group of the eccentric spray head according to the present invention;
fig. 6 is a schematic view of the angle C of the second small nozzles adjacent to the same group of the centripetal nozzle according to the invention;
FIG. 7 is a schematic structural view of an integrated distributed nozzle assembly specially used for assembling and spraying the annular spraying vehicle for the beam field;
fig. 8 is a schematic structural diagram of the manufacturing device of the special-shaped special space curved surface special spraying special-purpose integrated distributed nozzle assembly of the present invention;
FIG. 9 is a cross-sectional view of 1-1 of FIG. 8;
fig. 10 is a vertical distance h of an eccentric point B of an eccentric nozzle head of a lower middle part from an outer edge line of a bottom surface Q of a bottom plate of a precast beam in the spray cross-sectional area calculation; the horizontal distance z from the eccentric point B of the lower eccentric nozzle to the outer edge line of the bottom surface Q of the bottom plate of the precast beam, the eccentric angle beta of the first small nozzle at the end part of the lower eccentric nozzle, the centripetal angle alpha of the second small nozzle at the end part of the upper centripetal nozzle, the centripetal point A of the centripetal nozzle and the specific position schematic diagram of the eccentric point B of the eccentric nozzle are shown;
FIG. 11 is a schematic view of the spray area of the top end surface G, the bottom end surface H, the bottom surface Q of the bottom plate, the outer side surface N of the web and the lower surface M of the flange of the precast beam according to the present invention;
fig. 12 is a schematic diagram of an included angle X of different groups of adjacent first small nozzles arranged in an eccentric nozzle and an included angle Y of different groups of adjacent second small nozzles arranged in a centripetal nozzle in the calculation formula of the cross-sectional area of the spray according to the present invention, and a schematic diagram of the distance between different groups of adjacent first small nozzles and the distance between different groups of adjacent second small nozzles being equal.
Reference numerals:
| 1. | 12. Cylindrical fixing |
| 13. | 14. Servo motor for adjusting angle of sliding |
| 15. | 16. Servo motor for punching and positioning along |
| 17. | 18. |
| 19. Sliding | 20. Sliding |
| 21. Servo motor for punching | 22. Servo motor for adjusting included angle of |
| 101. | 102. Second |
| 103. Tubular water-through | 104. Telescopic vertical water-through |
| 105. Spraying | 106. Bottom openable and closable water-through |
| 107. | 108. First |
| 23. | 24. Disc with a circular groove |
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The technical scheme provided by the embodiment of the invention relates to a special integrated distributed spray head assembly for special spraying of a special-shaped space curved surface, in particular to the technical field of mechanical engineering. In the related art, the vehicle-mounted nozzle of the annular spraying vehicle for the beam field can spray the lower surface of the flange, the outer side surface of the web, the bottom surface of the bottom plate, the top end surfaces and the bottom end surfaces of the left end and the right end of the precast beam, wherein the spraying of the top end surfaces and the bottom end surfaces of the left end and the right end of the precast beam and the bottom surface of the bottom plate of the precast beam is a technical difficulty. When the existing spray head travels along the length direction of the beam, the existing spray head is difficult to spray to the top end surfaces and the bottom end surfaces of the left end and the right end of the precast beam and the bottom surface of the bottom plate of the precast beam. Based on this, the special integrated distributed nozzle assembly for special spraying of the special-shaped space curved surface provided by the technical scheme of the disclosure can meet the requirement of moving spraying of the beam body. Has wide application and popularization prospect.
This special integrated distributed shower nozzle subassembly that sprays of dysmorphism space curved surface includes: including special-shaped space curved surface, in this embodiment to the used precast beam of production bridge in the beam yard is as special-shaped space curved surface structure, and precast beam includes: the upper part of the flange is cantilevered, the middle web plate and the bottom plate are arranged on the bottom; as shown in fig. 11, after the spray truck travels into the middle of two precast beams, the spray surface of the precast beam includes: the bottom surface Q of the bottom plate, the outer side surface N of the web plate and the lower surface M of the flange are connected; when the spray truck drives and gets into twice precast beam and when driving and leave twice precast beam, the spraying face of precast beam includes: top terminal surface G and bottom terminal surface H, this dysmorphism space curved surface special type sprays special integrated distributing type shower nozzle subassembly includes:
in one embodiment, the first circular arc pipe and the second circular arc pipe are both circular pipes bent into arc structures not larger than a semicircle; and the second connecting hole group on the second arc pipe is arranged by adopting an arc section of 90-180 degrees according to the spatial position of the precast beam.
In an example, as shown in fig. 1 (a), the centripetal nozzle 101 comprises a second arc tube bent into an arc structure not larger than a semicircle, the second arc tube is provided with two rows of second connecting hole groups, the second small nozzle 102 is communicated with the inside of the second arc tube through the second connecting holes, and an included angle between the central lines of any two different groups of second connecting holes is
,
The second circular arc pipe is a circular pipe with the inner diameter of about 19mm, the circular pipe is bent into a semi-circular arc with the diameter of about 300mm, and the second small nozzle 102 is arranged along the second circular arc in a centripetal mode, wherein the circular pipe is used as a main pipe and is of the diameter of about 19 mm.
In an example, as shown in fig. 1 (B), the eccentric nozzle 107 includes a first circular pipe, the first circular pipe is bent into an arc structure not larger than a semicircle, two rows of first connecting hole groups are formed on the first circular pipe, the first small nozzle 108 is communicated with the inside of the first circular pipe through the first connecting holes, and an included angle between center lines of any two different groups of first connecting holes is
,
For 20-30 degrees, it should be further noted that the first circular arc pipe is a circular pipe with an inner diameter of about 19mm as the main pipe, and is bent into a quarter circular arc with a diameter of about 300mm, and the first small nozzle 108 is eccentrically arranged along the first circular arc.
In the example, as shown in fig. 4 (a), the included angle of the projection of the center line plane of any adjacent second small nozzle 102 of the same group of centripetal nozzles 101 is C, and C is 2-3 degrees, preferably 2.5 degrees; as shown in FIG. 4 (B), the included angle of the projection of the center line plane of any adjacent first small nozzle 108 in the same group of the eccentric nozzles 107 is D, and D is 2-3 degrees, preferably 2.5 degrees.
In an example, as shown in fig. 2 (a), the first connection holes at the end of the adjacent groups on the eccentric nozzle 107 are distributed with an offset, and the first connection holes at the middle of the adjacent groups are distributed with an offset, so that the first small nozzles 108 at the end of the adjacent groups on the eccentric nozzle 107 are distributed with an offset, and the first small nozzles 108 at the middle of the adjacent groups are distributed with an offset; as shown in fig. 2 (B), the first connection holes at the end of the adjacent groups on the eccentric nozzle 107 are aligned, and the first connection holes at the middle of the adjacent groups are distributed in a staggered manner, so that the first small nozzles 108 at the end of the adjacent groups on the eccentric nozzle 107 are aligned, the first small nozzles 108 at the middle of the adjacent groups are distributed in a staggered manner, and the cross-sectional area of the shower can be increased compared with the aligned arrangement of the first small nozzles 108 at the middle in a staggered manner.
In the example, as shown in fig. 3 (a), the second connection holes at the end of the adjacent groups on the centripetal sprayer 101 are distributed in a staggered manner, and the second connection holes at the middle of the adjacent groups are distributed in a staggered manner, so that the second small sprayers 102 at the end of the adjacent groups on the centripetal sprayer 101 are distributed in a staggered manner, and the second small sprayers 102 at the middle of the adjacent groups are distributed in a staggered manner; as shown in fig. 3 (B), the end second connecting holes of the adjacent groups on the centripetal sprayer 101 are aligned, and the middle second connecting holes of the adjacent groups are staggered, so that the end second small sprayers 102 of the adjacent groups on the centripetal sprayer 101 are aligned, the middle second small sprayers 102 of the adjacent groups are staggered, and the cross-sectional area of the spray can be increased compared with the case that the middle second small sprayers 102 are aligned.
The first small spray head 108 is arranged at the first connecting hole, the second small spray head 102 is arranged at the second connecting hole, the first small spray head 108 and the second small spray head 102 are suggested to be threaded copper spray heads or plastic spray heads, the cross section is circular, the diameter is not more than 6mm, when the water pressure is 0.3Mpa, the connecting aperture is preferably 1-1.5mm, and the spraying distance is not less than 3.5m; the first circular arc tube and the second circular arc tube can be made of aluminum alloy tubes, plastic materials or self-copper tubes, and the wall thickness is preferably 1-1.5 mm; the first small nozzle 108 and the second small nozzle 102 can be connected with the circular arc tube by screw threads or implanted by a nail-shooting mode such as an air pump.
In one embodiment, the calculation formula of the spray cross-sectional area sprayed by the eccentric spray head 107 and the centripetal spray head 101 together is as follows:
introduction of a use scenario:
the spraying vehicle runs along the length of the beam in the middle of the two precast beams, a left tubular water-passing expansion arm 103 and a right tubular water-passing expansion arm 103 are arranged at the upper part of the spraying vehicle, and a centripetal nozzle is arranged at the end part of each tubular water-passing expansion arm 103; the bottom is provided with a left bottom opening and closing water-through stretching arm 106 and a right bottom opening and closing arm 106; an eccentric nozzle is arranged at the end part of each bottom openable and closeable water-passing spreading arm 106;
when the spraying vehicle advances along the length of the beam, the distance of the central line of the vehicle body deviating from the middle line of the two beams is within the range of plus or minus 2 cm;
the meaning of the formula:
through the spatial combination layout, each second small nozzle 102 of the upper centripetal nozzle is sprayed to a prefabricated beam surface (the lower surface M of the flange) and expanded (to reach the outer surface N of the web plate); the first small spray head 108 of the lower eccentric spray head sprays to the prefabricated beam surface (the bottom surface Q of the bottom plate), and in general, the lower surface M of the flange, the outer surface N of the web and the bottom surface Q of the bottom plate are crossed after being expanded, so that the wetting and full coverage are realized; the beam body spraying needs the beam body to cover comprehensively without dead angles, and the water column sprayed by the first small spray nozzle and the second small spray nozzle is crossed with the expanded beam body.
The result obtained by the formula calculation is: each second small nozzle 102 is sprayed to the sum of the width of the flange lower surface M, the width of the outer side surface N extending to the web, and the width of each first small nozzle 108 sprayed to the bottom surface Q of the soleplate.
The use conditions of the formula:
the relative left-right and up-down positional relationship of the combination of the first small nozzle 108 and the second small nozzle 102 and the precast beam is given as follows:
diameter of first circular arc pipe (main water chamber pipe) where first small nozzle 108 is installed: preferably 280-320 mm;
diameter of the second circular arc pipe (main water chamber pipe) where the second small nozzle 102 is installed: preferably 280-320 mm;
the vertical distance from the centripetal point A of the upper centripetal nozzle to the lower surface M of the flange of the precast beam is as follows: h, preferably 1.0 m;
the horizontal distance from the centripetal point A of the upper centripetal nozzle to the lower surface M of the flange of the precast beam is as follows: l, preferably 0.5 m;
in the example, since the spraying vehicle travels along the magnetic force lines, H and L are relatively fixed values during the traveling process, and are described in the scheme: the second connecting hole group on the second arc pipe is arranged on the arc section of 90-180 degrees on the second arc pipe relatively close to the top end surface and the bottom end surface of the special-shaped space curved surface, and the second connecting hole is connected with the second small nozzle, so that the centripetal angle alpha of the second small nozzle 102 at the end part starts from 90 degrees of the second arc pipe, as shown in fig. 11, the centripetal angle alpha of the second small nozzle 102 at the end part of the centripetal nozzle 101 at the upper part is alpha, alpha is 90 degrees, and the angle is unchanged;
the meaning of each part in the formula:
the included angle of the surface of the first small nozzle 108 of the different groups of eccentric nozzles 107
，
The included angle is preferably 20-30 degrees;
the included angle of the surface of the second small nozzle 102 of the centripetal nozzle 101 of different groups
，
The included angle is preferably 20-30 degrees;
in the formula:
10 is the expansion width of the single nozzle under a given water pressure and at a given distance from the lower surface M of the flange, the outer side surface N of the web and the bottom surface Q of the bottom plate;
after the water column sprayed by each second small spray nozzle 102 reaches the lower surface M of the flange of the precast beam and the outer side surface N of the web plate, and the water column sprayed by each first small spray nozzle 108 reaches the bottom surface Q of the bottom plate of the precast beam, the expansion width is about 10cm within a proper distance range after expansion;
spray cross-sectional area: s;
pressure of the water pump:
the pressure of the water pump is about 3.2 kilograms, and cannot be less than 2.9 kilograms;
1.15 is the approximation expansion coefficient;
1.3 is the expansion coefficient of the horizontal jet along the vertical surface;
the total number of double rows of second small spray heads with the water outlet aperture of 1.0mm of the upper tubular water passing expansion arm 103 is as follows:
the total number of the double rows of first small spray heads with the water outlet aperture of 1.0mm of the water inlet spreading arm 106 at the bottom of the lower part can be opened and closed: m;
the vertical distance h from the eccentric point B of the eccentric nozzle at the lower part to the outer edge line of the bottom surface Q of the bottom plate of the precast beam;
the horizontal distance z from the eccentric point B of the eccentric nozzle at the lower part to the outer edge line of the bottom surface Q of the bottom plate of the precast beam;
in the example, as shown in fig. 4 (a), the eccentric angle β of the first small nozzle 108 at the end of the lower eccentric nozzle 107; as shown in the figure 11 of the drawings,
； （1.0）
(1.1) the amplification factor formed by the pressure of the water pump; the expansion range of the water columns sprayed by the first small spray nozzle and the second small spray nozzle on the beam can be enlarged along with the pressure of the water pump, the pressure of the water pump is about 3.2 kilograms because of an unmanned vehicle, the description about the pressure of the water pump is in a given range, the water column is a certain range value obtained in an actual beam field spraying experiment, namely the expansion range on the beam can be enlarged within the range of 2.9-3.5, and the water waste are caused and are unnecessary due to the overlarge pressure of the water pump;
(1.2) the influence coefficient of the included angle of the surfaces of the two rows of the first small spray heads 108 is shown;
(1.3) the influence coefficient of the included angle of the surfaces of the two rows of second small spray heads 102 is shown;
the diameters of water outlets of the first small spray head in the step (1.2) and the second small spray head in the step (1.3) are both 1mm, the sprayed water is water columns, the water columns of the first small spray head are sprayed to the bottom surface Q of the bottom plate of the precast beam, the water columns of the second small spray head are sprayed to the lower surface M of the flange of the precast beam and the outer side surface N of the web plate, and the water columns are mainly expanded along the spraying direction, namely the width direction and the length direction of the precast beam;
the spraying vehicle provided with the centripetal sprayer and the eccentric sprayer can move to spray along the length direction of the precast beam, so that whether the precast beam is completely covered or not is mainly characterized by the expansion of a water column along the width direction of the precast beam.
When the included angle of the surfaces of the two rows of the first small spray heads
When the expansion component of the water column along the beam width direction is increased, the expansion component of the water column along the beam length direction is increased, and the expansion component factor of the water column along the beam width direction is mainly considered in the formula;
when the included angle of the surfaces of the two rows of second small spray heads
When the expansion component of the water column along the beam width direction is increased, the expansion component of the water column along the beam length direction is increased, and the expansion component factor of the water column along the beam width direction is mainly considered in the formula;
and is obtained by the field experiment of the beam field,
and
preferably 20-30 degrees
And
between 20-30 degrees.
(1.4) when the eccentric spray head 107 does not consider other influence coefficients, the first small spray head 108 on the eccentric spray head combines the spray width when spraying to the bottom surface Q of the bottom plate of the precast beam; according to the process layout requirements, the diameter of the first circular arc pipe (main water chamber pipe) where the first small nozzle 108 is installed is given, and the diameter of the first circular arc pipe (main water chamber pipe) where the first small nozzle 108 is located: preferably 280-320mm, the number of the first small spray nozzles in a single row is also given as m/2, the first small spray nozzles in two rows are arranged in a staggered manner, because the first small spray nozzles are arranged eccentrically, the included angle X between the adjacent first small spray nozzles in different groups is slightly smaller than the included angle Y between the adjacent second small spray nozzles in different groups, which are arranged centripetally, and the included angle X between the adjacent first small spray nozzles in different groups is given as 1 degree; the first small spray heads are arranged eccentrically, the distances between different groups of adjacent first connecting holes are determined on the premise that X =1 degree is given, the number and the distances between different groups of adjacent first small spray heads are independent variables, and the first small spray heads and the distances are fixed after being given relative to 1 degree.
(1.5) when other influence coefficients are not considered by the centripetal nozzle 101, the second small nozzle 102 on the centripetal nozzle 101 sprays to the outer side N of the web plate of the precast beam to form a combined spraying width; 1.3 is the expansion coefficient of the outer side surface N of the web plate of the horizontal jet downcast beam;
as shown in fig. 4 (B), since the second connecting hole group on the second circular arc pipe is arranged on the arc segment of 90 degrees to 180 degrees on the second circular arc pipe relatively close to the top end surface and the bottom end surface of the special-shaped space curved surface, and the second connecting hole is connected with the second small nozzle, the centripetal angle α of the second small nozzle 102 at the end part starts from 90 degrees of the second circular arc pipe, so 90 is the centripetal angle α of the second small nozzle at the end part of the centripetal nozzle;
(1.6) when the centripetal sprayer 101 does not consider other influence coefficients, the combined spraying width is formed when the second small sprayer 102 on the centripetal sprayer 101 sprays to the lower surface M of the airfoil of the precast beam, and 90 is the centripetal angle alpha of the second small sprayer at the end part of the centripetal sprayer;
according to the process layout requirements, the diameter of the second circular arc pipe (main water chamber pipe) where the second small nozzle 102 is installed is given, and the diameter of the second circular arc pipe (main water chamber pipe) where the second small nozzle 102 is located: preferably, the number of the second small nozzles in the same group is x/2, the two rows of the second small nozzles are arranged in a staggered manner, the second small nozzles are arranged centripetally, and in the embodiment, it is clear that the included angle Y of the adjacent second small nozzles in the same group along the arc is 1.25 degrees, so that the second connecting holes for mounting the second small nozzles are arranged on the second arc tube, the distance between the adjacent second connecting holes in different groups is fixed, the second small nozzles are arranged centripetally, and on the premise of giving Y =1.25 degrees, the distance between the adjacent second connecting holes in different groups is fixed, the number and the distance of the adjacent second small nozzles in different groups are not independent variables, but are fixed values after being given relative to 1.25 degrees.
In general terms, the amount of the solvent to be used,
and
are equal when
And
when equal, the formula can be simplified to
（2）
The expansion range of the water columns sprayed by the first small spray nozzle 108 and the second small spray nozzle 102 on the precast beam is enlarged along with the increase of the pressure of the water pump, and the pressure of the water pump is about 3.2 kilograms due to the fact that the spray vehicle is unmanned;
the water column sprayed by each first small spray nozzle 108 and each second small spray nozzle 102 can be expanded on the precast beam, and the expansion width is about 10cm within a proper distance range;
the precast beam spraying needs the beam body to cover completely without dead angles, and the water columns sprayed by each first small spray nozzle 108 and each second small spray nozzle 102 are intersected with the beam body after being expanded.
Example two, as shown in fig. 7:
according to the first aspect of the embodiment of the disclosure, the hoop spraying vehicle for a beam field, which is provided with the special-shaped space curved surface special spraying special integrated distributed type spray head assembly, comprises a spraying vehicle 105, wherein a telescopic vertical water through upright post 104 is arranged on the spraying vehicle 105, a tubular water through spreading arm 103 communicated with the inside of the telescopic vertical water through upright post 104 is arranged on the telescopic vertical water through upright post 104, and the end part of the tubular water through spreading arm 103 is respectively provided with a centripetal spray head 101; the bottom of the spray truck 105 is provided with a bottom openable and closable water passing and spreading arm 106, the end parts of the bottom openable and closable water passing and spreading arm 106 are respectively provided with an eccentric spray head 107, it needs to be further noted that the bottom openable and closable water passing and spreading arm 106 extends to the edge of the beam bottom, and the top tubular water passing and spreading arm 103 extends to about 70cm of the lower surface side of the beam flange.
In one embodiment, the second small spray head 102 of the centripetal spray head 101 correspondingly sprays the lower surface M of the flange of the precast beam, the outer side surface N of the web and the top end surfaces G of the left side and the right side of the precast beam; and the first small spray head 108 of the eccentric spray head 107 sprays the bottom end surfaces H on the left side and the right side of the precast beam and the bottom surface Q of the bottom plate of the precast beam.
When the pipe type water spreading arm 103 moves to the end of one side of the precast beam while the shower car 105 is running, the top end surface of the side of the beam body is sprayed by the second small shower head 102 on the centripetal nozzle 101, and at the same time, the bottom openable water spreading arm 106 moves to the side end of the precast beam, and the bottom end surface of the side of the precast beam and the bottom surface Q of the bottom plate of the precast beam are sprayed by the first small shower head 108 of the eccentric nozzle 107.
As shown in fig. 1 (a) and fig. 7, an included angle between the nozzle direction of one row of the second small nozzles 102 of the centripetal nozzle 101 and the driving direction of the spray truck 105 is an acute angle, when the spray truck 105 drives to the precast beam, spraying can be performed on the surface of the top end surface of the side of the precast beam, when the spray truck 105 drives to enter the beam of the precast beam, spraying is performed on the lower surface of the flange and the outer side surface of the web until the spray truck 105 drives to the position, and the tubular water-through spreading arm 103 moves to the other end portion of the precast beam, wherein the included angle between the nozzle direction of the other row of the second small nozzles 102 and the driving direction of the spray truck 105 is an obtuse angle, and when the spray truck 105 drives away from the precast beam, spraying is performed on the top end surface of the opposite side of the precast beam.
As shown in fig. 1 (B) and fig. 7, an included angle between the nozzle direction of one row of first small nozzles 108 of the eccentric nozzle 107 and the traveling direction of the spray truck 105 is an acute angle, when the spray truck 105 travels to the precast beam, spraying can be performed on the surface of the bottom end surface of the precast beam on the side of the precast beam, when the spray truck 105 travels to the position below the precast beam, spraying is performed on the bottom surface of the precast beam until the spray truck 105 travels in place, the bottom openable and closable water-passing spreading arm 106 moves to the bottom end surface of the precast beam on the other side, wherein an included angle between the nozzle direction of the other row of first small nozzles 108 and the traveling direction of the spray truck 105 is an obtuse angle, and when the spray truck 105 travels away from the precast beam, spraying is performed on the bottom end surface of the precast beam on the opposite side.
Example three, as shown in fig. 8 to 9:
according to a first aspect of the embodiments of the present disclosure, a manufacturing apparatus for the special-shaped spatial curved surface spraying dedicated integrated distributed nozzle assembly is provided, the manufacturing apparatus includes: a round bottom plate 15; the assembly for punching and positioning along the circumferential direction is coaxially connected with the round bottom disc 15; the angle-adjustable punching assembly is connected with the assembly for punching and positioning along the circumferential direction.
In one embodiment, the circumferential punch positioning assembly comprises: the servo motor 16 for punching and positioning along the circumferential direction is fixed at the lower end of the circular chassis 15, and the rotating end of the servo motor 16 for punching and positioning along the circumferential direction extends upwards out of the circular chassis 15; a rotatable upright column 13, wherein the rotatable upright column 13 is connected with the rotating end of a servo motor 16 for punching and positioning along the circumferential direction; and the cylindrical fixing frame 12 is fixedly connected with the upper end of the rotatable upright column 13.
In one embodiment, the angularly adjustable drilling assembly comprises: the slide rail 19 is connected with the cylindrical fixed frame 12 through a combined support frame which is formed by movably connecting an inclined support frame 18 and a vertical support frame 17; a slide bar 20, wherein a first end of the slide bar 20 is connected with the slide rail 19 in a meshing manner; the second end of the sliding bar 20 is connected with the punching mechanism; the servo motor 14 for adjusting the slide rail angle is fixed at one end of the cylindrical fixing frame 12, and the driving end of the servo motor 14 for adjusting the slide rail angle is connected with the end of the slide rail 19.
In one embodiment, the circular base plate 15 is circumferentially provided with a groove 23 with a semicircular end surface, and the groove 23 is used for positioning the spray head bent pipe 11.
In one embodiment, the cross section of the slide rail 19 is a convex structure, and the cross section of the slide bar 20 is a concave structure.
The working principle of the device for manufacturing the special integrated distributed spray head assembly for spraying the special-shaped space curved surface provided in the embodiment is as follows:
the manufacturing device of the spray nozzle comprises a spray nozzle bent pipe (aluminum alloy or copper pipe) 11 fixed on the outer side of a round bottom plate 15, wherein the round bottom plate 15 is 24mm thick, and a groove with a semicircular end face is formed in the circumferential direction. A servo motor 16 for punching and positioning along the circumferential direction is fixed below a circular chassis 15, the shaft of the servo motor 16 for punching and positioning along the circumferential direction is connected with a rotatable upright post 13, a disc 24 is fixed at the top end of the rotatable upright post 13, a vertical support frame 17 is fixed at the center of the disc 24, the vertical support frame 17 is fixedly connected with an oblique support frame 18 through a pin shaft, the top end of the oblique support frame 18 is vertically connected with a slide rail 19 with a convex cross section, a slide bar 20 with a concave cross section is meshed and connected with the slide rail 19 with a convex cross section, one end of the slide bar 20 with a concave cross section is connected with a servo motor 14 for adjusting the slide rail angle, and the servo motor 14 for adjusting the slide rail angle is fixed at the upper end of the rotatable upright post 13; the other end of the slide bar 20 with the concave cross section is provided with a small nozzle included angle adjusting servo motor 22 which is consistent with the tangential direction of the round bottom disc 15, and the small nozzle included angle adjusting servo motor 22 is connected with a punching servo motor 21 through a switching disc.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (10)
1. The utility model provides a special integrated distributing type shower nozzle subassembly is sprayed to dysmorphism space curved surface special type, includes special-shaped space curved surface, special-shaped space curved surface is the space curved surface of precast beam, and the precast beam includes: the web in the edge of a wing, middle part and the bottom plate of bottom that upper portion encorbelmented, the spray face of precast beam includes: the lower surface on edge of a wing, the lateral surface of web and the bottom surface of bottom plate, its characterized in that, this special-shaped space curved surface special type sprays special integrated distributing type shower nozzle subassembly and includes:
the eccentric nozzle comprises a first arc pipe, two groups of first connecting hole groups are formed in the first arc pipe, the included angle of the central line of any one first connecting hole of the first connecting hole groups of adjacent groups is an acute angle, a first small nozzle is arranged on each first connecting hole, and the first small nozzles are eccentrically arranged along the first arc;
the centripetal sprayer comprises a second arc pipe, two groups of second connecting hole groups are formed in the second arc pipe, the included angle of the central line of any one second connecting hole of the second connecting hole groups of adjacent groups is an acute angle, a second small sprayer is arranged on each second connecting hole, and the second small sprayers are arranged centripetally along a second arc;
the included angle of the projection of the central line plane of any adjacent first small spray nozzle of the eccentric spray nozzle is 2-3 degrees;
the included angle of the projection of the central line plane of any adjacent second small nozzle of the centripetal nozzle is 2-3 degrees;
the first connecting holes at the end parts of the adjacent groups are aligned or staggered, and the second connecting holes at the end parts of the adjacent groups are aligned or staggered;
the first connecting holes positioned in the middle of the adjacent groups are distributed in a staggered mode, and the second connecting holes positioned in the middle of the adjacent groups are distributed in a staggered mode.
2. The special-shaped space curved surface special spray dedicated integrated distributed nozzle assembly according to claim 1, wherein the first arc pipe and the second arc pipe are both circular pipes bent into arc structures not larger than a semicircle; and the second connecting hole group on the second circular arc pipe is arranged on the arc sections which are relatively close to the top end surface and the bottom end surface of the special-shaped space curved surface and are 90-180 degrees.
3. The special-shaped special space curved surface integrated distributed spray head assembly for special spraying according to claim 1, wherein the calculation formula of the spray cross-sectional area sprayed by the eccentric spray head and the centripetal spray head together is as follows:
spray cross-sectional area:
；
pressure of the water pump:
kilogram;
the total number of double rows of second small spray heads with the aperture of the water outlet of the upper tubular water-through spreading arm being 1.0 mm:
；
the total number of double rows of first small spray heads with the aperture of 1.0mm at the water outlet of the water-through spreading arm and capable of being opened and closed at the bottom of the lower part is as follows: m;
the included angle of the surface where the first small spray heads of different groups are located is as follows:
；
the included angle of the surface where the second small spray heads of different groups are located is as follows:
；
the vertical distance h from the eccentric point B of the eccentric nozzle at the lower part to the outer edge line of the bottom surface Q of the bottom plate of the precast beam;
the horizontal distance z of the eccentric point B of the lower eccentric sprinkler from the outer edge line of the bottom surface Q of the floor of the precast girder.
4. The annular spraying vehicle for the beam field, which is provided with the special-shaped space curved surface special spraying special integrated distributed nozzle assembly according to any one of claims 1 to 3, comprises a spraying vehicle, and is characterized in that a telescopic vertical water through stand column is arranged on the spraying vehicle, a tubular water through spreading arm communicated with the inside of the telescopic vertical water through stand column is arranged on the telescopic vertical water through stand column, and a centripetal nozzle is respectively arranged at the end part of the tubular water through spreading arm; the bottom of spray truck is equipped with the bottom and can opens and shuts the water exhibition arm that leads to, the tip that the bottom can open and shut leads to the water exhibition arm is equipped with eccentric shower nozzle respectively.
5. The special spraying special-purpose integrated distributed nozzle assembly for beam field circumferential spraying as claimed in claim 4, wherein a second small nozzle of the centripetal nozzle is correspondingly used for spraying the lower surface of the flange of the precast beam, the outer side surface of the web plate and the top end surfaces of the left side and the right side of the precast beam; and the first small spray head of the eccentric spray head sprays the bottom end surfaces of the left side and the right side of the precast beam and the bottom surface of the bottom plate of the precast beam.
6. A manufacturing device suitable for the special-shaped space curved surface special spraying special integrated distributed nozzle assembly according to any one of claims 1 to 3, which is characterized by comprising:
a round chassis;
the assembly for punching and positioning along the circumferential direction is coaxially connected with the round bottom disc;
the angle-adjustable punching assembly is connected with the assembly for punching and positioning along the circumferential direction.
7. The production device as claimed in claim 6, wherein the circumferential punch positioning assembly includes:
the servo motor for punching and positioning along the circumferential direction is fixed at the lower end of the round chassis, and the rotating end of the servo motor for punching and positioning along the circumferential direction extends out of the round chassis upwards;
the rotatable upright post is connected with the rotating end of the servo motor for punching and positioning along the circumferential direction;
the cylinder type fixing frame is fixedly connected with the upper end of the rotatable upright post.
8. The manufacturing device of claim 6, wherein the angularly adjustable punch assembly comprises:
the sliding rail is connected with the cylindrical fixing frame through the combined supporting frame;
the first end of the sliding bar is connected with the sliding rail in an occlusion way;
the second end of the sliding bar is connected with the punching mechanism;
the servo motor for adjusting the angle of the sliding rail is fixed at one end of the cylindrical fixing frame, and the driving end of the servo motor for adjusting the angle of the sliding rail is connected with the end part of the sliding rail.
9. The manufacturing device according to claim 6, wherein the round bottom disc is provided with a semicircular groove along the circumferential direction, and the groove is used for positioning the spray head elbow.
10. The apparatus as claimed in claim 8, wherein the slide rail has a convex cross-section and the slide bar has a concave cross-section.
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