A polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe

Abstract

The utility model is applicable to the technical field of spraying devices, and provides a polyurethane spraying advancing device for prefabricated direct-buried thermal insulation pipes, including a fixed disk and a movable disk; the fixed disk and the movable disk are connected via a connecting ring, and the fixed disk and the movable disk are rotatably connected. The utility model provides a polyurethane spraying advancing device for prefabricated direct-buried thermal insulation pipes, which can shrink or expand four groups of nozzles at the same time by providing a fixed disk and a movable disk, and can adjust the nozzles to the optimal position when spraying pipes of different diameters, so that the pipe spraying is more uniform, thereby improving the spraying effect of the pipe spraying, and by providing a material receiving box, the material receiving box can collect excess paint during spraying, and return it from the return pipe to the paint box to avoid excessive waste of paint, and by providing a filter screen, the filter screen can filter dust particles mixed in the paint, thereby facilitating the subsequent use of the paint.

Description

Technical Field

[0001] The utility model belongs to the technical field of spraying devices, and in particular relates to a polyurethane spraying traveling device for a prefabricated directly buried thermal insulation pipe. Background Art

[0002] As the urban centralized heating and cooling market matures and the leanness of engineering projects increases, new and higher requirements are placed on the technology, quality, and cost of the insulation pipe market. In the existing technology for producing polyurethane insulation pipes, it is necessary to spray polyurethane on the pipe body.

[0003] The existing patent number is 202021740135.9, which discloses a spraying device for an insulation pipe, including a supporting body, a pump body is provided on the upper surface of the supporting body, a liquid collecting funnel is provided inside the lower side wall of the supporting body, the lower surface of the liquid collecting funnel is fixedly connected to a liquid storage tank, the rear side of the liquid storage tank is fixedly connected to a connecting pipe, a liquid return pipe is provided inside the right side wall of the supporting body, a branch pipe is provided inside the right side wall of the supporting body, the right side of the branch pipe is fixedly connected to a second connecting pipe, and the right end of the second connecting pipe is fixedly connected to a telescopic hose. In the utility model, a liquid return pipe, a liquid collecting funnel, and a liquid storage tank are provided, and the sprayed material can be collected to achieve the purpose of saving materials and improve the efficiency of spraying. A slider, a slide rod, and a fixing bolt are provided, and the height of the upper nozzle can be adjusted by adjusting the slide rod to cope with insulation pipes of different diameters, and the application range is wider. After searching the patent, it was found that the spraying device still has certain defects in actual use. The device sprays the pipe by setting two sets of nozzles in upper and lower positions. However, the position of the lower nozzle cannot be adjusted. Therefore, when spraying pipes of different diameters, it is difficult to spray the lower side of the pipe evenly. At the same time, there are no nozzles on the left and right sides of the pipe, which results in insufficient spray thickness on both sides of the pipe. Utility Model Content

[0004] The utility model provides a polyurethane spraying advancing device for a prefabricated directly buried thermal insulation pipe, aiming to solve the problem that the current spraying device is difficult to spray uniformly on pipes with different diameters.

[0005] The utility model is achieved in this way: a polyurethane spraying traveling device for a prefabricated direct-buried thermal insulation pipe comprises a fixed plate and a movable plate; the fixed plate and the movable plate are connected by a connecting ring, the fixed plate and the movable plate are rotatably connected, the inner side of the movable plate is provided with four groups of slide grooves whose extension lines do not intersect with the center of the fixed plate, and a limiting block is slidably inserted in the slide groove, the inner side of the fixed plate is provided with four groups of slide grooves whose extension lines intersect with the center of the fixed plate, the limiting block extends into the slide groove of the fixed plate and is connected with a fixed pipe, the fixed pipe is inserted in the slide groove of the fixed plate and one end close to the center of the circle is connected with a spray head, the fixed plate is installed above the bottom plate through a bracket, pulleys are installed around the bottom of the bottom plate, a paint box is installed at the upper end of the bottom plate, a driving pump is installed inside the paint box, and the output port of the driving pump is connected with a material delivery pipe, and the material delivery pipe is respectively connected with the four groups of spray heads.

[0006] Preferably, three groups of the feed pipes are provided, wherein one group of the feed pipes is provided as a three-way pipe, and the feed pipes are all provided as retractable hoses.

[0007] Preferably, a fixed frame is installed on the top of the connecting ring, a positioning block is slidably embedded in the inner side of the fixed frame, a spring is installed on the inner top of the fixed frame, the movable end of the spring is connected to the positioning block, and the outer surface of the fixed disk is equidistantly provided with positioning grooves that are compatible with the positioning block.

[0008] Preferably, a material receiving box is installed on the front side of the fixed plate, the material receiving box is arranged in an arc shape and a return pipe is connected to the bottom, and the bottom end of the return pipe is connected to the paint box.

[0009] Preferably, a filter screen is installed at the bottom of the material receiving box, and the return pipe is installed below the filter screen.

[0010] Preferably, an annular groove is formed on the outer surface of the fixing plate and the inner surface of the connecting ring, and the grooves of the fixing plate and the connecting ring are both hemispherical and have balls embedded therebetween.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] By providing a fixed plate and a movable plate, four groups of nozzles can be contracted or expanded at the same time. The nozzle can be adjusted to the best position when spraying pipes of different diameters, making the pipe spraying more uniform, thereby improving the spraying effect of the pipe spraying. By providing a material receiving box, the material receiving box can collect excess paint during spraying and return it to the paint box from the return pipe to avoid excessive waste of paint. By providing a filter, the filter can filter dust particles mixed in the paint, thereby facilitating the subsequent use of the paint. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a front view cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2 It is a front view cross-sectional structural diagram of the movable disk of the utility model;

[0015] Figure 3 It is a side view structural schematic diagram of the utility model;

[0016] Figure 4 It is a front view cross-sectional structural diagram of the fixed disk of the utility model;

[0017] In the figure: 1. fixed plate; 2. movable plate; 3. connecting ring; 4. limit block; 5. fixed pipe; 6. nozzle; 7. bracket; 8. bottom plate; 9. pulley; 10. paint box; 11. feed pipe; 12. fixed frame; 13. positioning block; 14. spring; 15. material receiving box; 16. return pipe; 17. filter screen; 18. ball bearing. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The utility model embodiment provides a polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe, such as Figure 1-4As shown, it includes a fixed disk 1 and a movable disk 2, the fixed disk 1 and the movable disk 2 are connected by a connecting ring 3, the fixed disk 1 and the movable disk 2 are rotatably connected, the inner side of the movable disk 2 is provided with four groups of slide grooves whose extension lines do not intersect with the center of the fixed disk 1, and the limited block 4 is slidably inserted in the slide groove, the inner side of the fixed disk 1 is provided with four groups of slide grooves whose extension lines intersect with the center of the fixed disk 1, the limited block 4 extends into the slide groove of the fixed disk 1 and is connected with a fixed pipe 5, the fixed pipe 5 is inserted in the slide groove of the fixed disk 1 and the end close to the center of the circle is connected with a nozzle 6, the fixed disk 1 is installed above the bottom plate 8 through a bracket 7, and the bottom of the bottom plate 8 is all around A pulley 9 is installed, a paint box 10 is installed on the upper end of the bottom plate 8, a driving pump is installed inside the paint box 10, and the output port of the driving pump is connected to a feed pipe 11, the feed pipe 11 is respectively connected to the four groups of nozzles 6, by providing a fixed disk 1 and a movable disk 2, the movable disk 2 is rotated, and the limit block 4 is located in the slide groove of the movable disk 2 and slides outward or inward, thereby driving the fixed tube 5 in the fixed disk 1 to retract and retract. Through this setting, the four groups of nozzles 6 can be contracted or expanded at the same time, and the nozzle 6 can be adjusted to the optimal position when spraying pipes of different diameters, so that the pipe spraying is more uniform, thereby improving the spraying effect of the pipe spraying.

[0021] Three groups of material delivery pipes 11 are provided, one group of which is configured as a three-way pipe. The material delivery pipes 11 are all configured as retractable hoses. The three-way pipes can meet the material delivery needs of two groups of nozzles 6, avoiding cluttered pipelines of the top nozzles 6.

[0022] A fixed frame 12 is installed on the top of the connecting ring 3, and a positioning block 13 is slidably embedded in the inner side of the fixed frame 12. A spring 14 is installed on the inner top of the fixed frame 12, and the movable end of the spring 14 is connected to the positioning block 13. The outer surface of the fixed disk 1 is equidistantly provided with positioning grooves adapted to the positioning block 13. By providing the positioning block 13, the positioning block 13 is inserted into the corresponding positioning groove on the top of the fixed disk 1 under the elastic force of the spring 14, so that the movable disk 2 can be limited and the movable disk 2 can be stably placed without artificial rotation.

[0023] A material receiving box 15 is installed on the front side of the fixed plate 1. The material receiving box 15 is arranged in an arc shape and a return pipe 16 is connected to the bottom. The bottom end of the return pipe 16 is connected to the paint box 10. By providing the material receiving box 15, the material receiving box 15 can collect excess paint during spraying and return it from the return pipe 16 to the paint box 10 to avoid excessive waste of paint.

[0024] A filter screen 17 is installed at the bottom of the material receiving box 15, and the return pipe 16 is installed below the filter screen 17. By providing the filter screen 17, the filter screen 17 can filter the dust particles mixed in the paint, thereby facilitating the subsequent use of the paint.

[0025] The outer surface of the fixed plate 1 and the inner surface of the connecting ring 3 are both provided with annular grooves. The grooves of the fixed plate 1 and the connecting ring 3 are both hemispherical and have balls 18 embedded therebetween. By providing the balls 18, the connecting ring 3 supported by the balls 18 can be rotated more easily and labor-savingly.

[0026] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0027] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0028] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0029] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe, characterized in that: The invention comprises a fixed disk (1) and a movable disk (2): the fixed disk (1) and the movable disk (2) are connected via a connecting ring (3); the fixed disk (1) and the movable disk (2) are rotatably connected; the inner side of the movable disk (2) is provided with four groups of slide grooves whose extension lines do not intersect with the center of the fixed disk (1); and a limiting block (4) is slidably inserted in the slide groove; the inner side of the fixed disk (1) is provided with four groups of slide grooves whose extension lines intersect with the center of the fixed disk (1); the limiting block (4) extends into the slide groove of the fixed disk (1) and is connected A fixed pipe (5) is provided, the fixed pipe (5) is inserted into the slide groove of the fixed plate (1) and one end close to the center of the circle is connected to a nozzle (6), the fixed plate (1) is installed above a base plate (8) through a bracket (7), pulleys (9) are installed around the bottom of the base plate (8), a paint box (10) is installed at the upper end of the base plate (8), a driving pump is installed inside the paint box (10), and the output port of the driving pump is connected to a material delivery pipe (11), and the material delivery pipe (11) is respectively connected to four groups of nozzles (6).

2. The polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe according to claim 1, characterized in that: The material conveying pipes (11) are provided in three groups, wherein one group of the material conveying pipes (11) is provided as a three-way pipe, and the material conveying pipes (11) are all provided as retractable hoses.

3. The polyurethane spraying traveling device for prefabricated direct-buried thermal insulation pipe according to claim 1, characterized in that: A fixing frame (12) is installed on the top of the connecting ring (3), a positioning block (13) is slidably embedded inside the inner side of the fixing frame (12), a spring (14) is installed on the inner top of the fixing frame (12), the movable end of the spring (14) is connected to the positioning block (13), and the outer surface of the fixing plate (1) is provided with positioning grooves matched with the positioning block (13) at equal intervals.

4. The polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe according to claim 1, characterized in that: A material receiving box (15) is installed on the front side of the fixed plate (1). The material receiving box (15) is arranged in an arc shape and a return pipe (16) is connected to the bottom. The bottom end of the return pipe (16) is connected to the paint box (10).

5. The polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe according to claim 4, characterized in that: A filter screen (17) is installed at the bottom of the material receiving box (15), and the return pipe (16) is installed below the filter screen (17).

6. The polyurethane spraying traveling device for prefabricated direct buried thermal insulation pipe according to claim 1, characterized in that: The outer surface of the fixed disk (1) and the inner surface of the connecting ring (3) are both provided with an annular groove, and the grooves of the fixed disk (1) and the connecting ring (3) are both hemispherical and have balls (18) embedded therebetween.

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