Chemical pool glass steel surface spraying device

Abstract

This utility model relates to the field of spraying device technology, and provides a spraying device for the surface of fiberglass reinforced plastic (FRP) in chemical water tanks, comprising: a material tank (100), a conveying pipe (101), a nozzle (103), a support mechanism, and a movable mechanism. The material tank (100), the conveying pipe (101), and the nozzle (103) are connected in sequence. The support mechanism is located on one side of the material tank (100). The movable mechanism is connected to the support mechanism and is movable relative to the support mechanism. The conveying pipe (101) passes through the movable mechanism, and the nozzle (103) is mounted on the movable mechanism and can be moved through the movable mechanism. The FRP surface spraying device for chemical water tanks of this utility model changes the position of the movable mechanism through the support mechanism, and controls the direction of the nozzle and the distance between the nozzle and the FRP through the movable mechanism, thus solving the technical problems of the serious physical consumption of manual hand-held spraying devices affecting the spraying quality and uneven spraying in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of spraying device technology, and more specifically to a spraying device for the surface of fiberglass in a chemical water tank. Background Technology

[0002] Fiberglass (FRP), also known as GFRP, is glass fiber reinforced plastic. Unlike tempered glass, it generally refers to reinforced plastics that use glass fiber to reinforce unsaturated polyester, epoxy resin, and phenolic resin matrices, with glass fiber or its products as the reinforcing material.

[0003] In the existing technology, most containers used in chemical production are made of fiberglass. When in use, people need to spray an anti-corrosion coating on the surface of the fiberglass. Generally, manual hand-held spraying equipment is used for the operation. However, the weight of the spraying equipment and the backlash during spraying result in serious physical exertion, which will affect the spraying quality. Moreover, manual hand-held operation cannot guarantee a consistent spraying distance, which can easily lead to uneven spraying.

[0004] CN 214599948 U discloses an automatic spraying device for fiberglass fishing boats. The spraying equipment connection mechanism includes a sliding block and a rotary adjuster and an angle adjuster for adjusting the positions of a resin spray gun and a fiberglass spray gun. The sliding block is slidably connected to the top surface of a connecting plate, and the rotary adjuster is fixedly connected to the top surface of the sliding block. The top end of the rotary adjuster is movably connected to the resin spray gun, and the fiberglass spray gun is positioned above the resin spray gun. The fiberglass spray gun and the resin spray gun are movably connected via the angle adjuster. This prior art allows the slider to move along a slide rail on the connecting plate, and by adjusting the rotary adjuster and angle adjuster, the positions of the resin spray gun and the fiberglass spray gun can be changed. However, this prior art cannot change the length of the resin spray gun and the fiberglass spray gun relative to the sliding block.

[0005] CN 222076931 U discloses a fiberglass spraying device with positioning function, comprising: a base plate; a U-shaped frame, the U-shaped frame being fixedly installed on the top side of the base plate and forming a rectangular structure with the base plate; a plurality of first electric slide rails, the plurality of first electric slide rails being fixedly installed side by side on the top of the base plate and their extension direction being perpendicular to the U-shaped frame; a strip plate, the strip plate being fixedly installed on the output block of the plurality of first electric slide rails; a second electric slide rail, the second electric slide rail being fixedly installed on the top of the strip plate; a vertical plate, the vertical plate being fixedly installed on the output block of the second electric slide rail and extending upward; a third electric slide rail, the third electric slide rail being disposed on the side of the vertical plate facing the U-shaped frame; and a spraying mechanism, the spraying mechanism being disposed on the output block of the third electric slide rail, the spraying mechanism including a spray head and a spray guide, the spray head being disposed on the output block of the third electric slide rail and the spray guide being disposed on the spray head. The existing technology uses a first electric slide rail to adjust the distance between the spray head and the substrate, a second electric slide rail to move the spray head laterally, and a third electric slide rail to move the spray head longitudinally. The spraying mechanism then sprays fiberglass liquid onto the substrate. However, this existing technology involves adjusting the position of the spray head relative to the substrate using three electric slide rails, which is relatively complex.

[0006] Therefore, there is room for improvement in the control of spraying distance in spraying equipment. Utility Model Content

[0007] In view of this, the purpose of this utility model is to provide a fiberglass surface spraying device for chemical water tanks, which solves the technical problems of the serious physical consumption that affects the spraying quality when operating a manual hand-held spraying device and the uneven spraying caused by the inability to maintain a consistent spraying distance when operating a manual hand-held device.

[0008] To solve the above-mentioned technical problems, this utility model provides a fiberglass surface spraying device for chemical water tanks, including: a material tank, a conveying pipe, a nozzle, a support mechanism, and a movable mechanism. The material tank, the conveying pipe, and the nozzle are connected in sequence. The support mechanism is located on one side of the material tank. The movable mechanism is connected to the support mechanism and is movable relative to the support mechanism. The conveying pipe passes through the movable mechanism, and the nozzle is mounted on the movable mechanism and can be moved through the movable mechanism.

[0009] In one embodiment, the support mechanism includes a base plate, a fixed rod, a mounting plate, and a bracket. The fixed rod is fixedly installed on the top of the base plate, the bracket is fixedly installed on the top of the fixed rod, and the mounting plate is fixedly installed on the fixed rod, with the mounting plate located between the base plate and the bracket.

[0010] In one embodiment, the support mechanism further includes a rotating wheel, which is movably mounted on the bottom side of the base plate.

[0011] In one embodiment, the active mechanism includes a handheld rod, a rotating sleeve, a connecting rod, a fixed sleeve, and a movable rod. The rotating sleeve is fixedly mounted on the handheld rod. One end of the connecting rod is fixedly connected to the rotating sleeve, and the other end of the connecting rod is fixedly connected to the fixed sleeve. The fixed sleeve is mounted on the first end of the handheld rod. The first end of the movable rod is slidably mounted inside the fixed sleeve, and the second end of the movable rod is located outside the fixed sleeve. The nozzle is fixedly mounted on the movable rod away from the fixed sleeve. The rotating sleeve is rotatably mounted on the support mechanism. The delivery pipe passes through the handheld rod, and a handle is fixedly mounted on the handheld rod.

[0012] In one embodiment, the handheld lever is a straight lever and hollow inside, with a delivery tube extending from the second end of the handheld lever into the interior of the handheld lever and exiting from the first end of the handheld lever adjacent to the retaining sleeve.

[0013] In one embodiment, a first electric push rod is fixedly installed inside the fixed sleeve. The fixed end of the first electric push rod is fixedly connected to the first end of the hand handle, and the output end of the first electric push rod is fixedly connected to the first end of the movable rod.

[0014] In one embodiment, the fixed sleeve is a groove shape with a bottom opening. The end of the fixed sleeve adjacent to the first end of the hand handle has a bottom. Limiting grooves are respectively opened on the inner walls of both sides of the fixed sleeve. Limiting slide bars are respectively fixedly installed on both sides of the movable rod. The two limiting slide bars of the movable rod correspond to the two limiting grooves of the fixed sleeve and are slidably installed in the corresponding limiting grooves.

[0015] In one embodiment, a second electric push rod is movably mounted on the bottom of the fixed sleeve, and the second electric push rod is movably connected to the support mechanism.

[0016] In one embodiment, the fiberglass surface spraying device for a chemical water tank includes a positioning auxiliary system, which is mounted on a support mechanism. The positioning auxiliary system includes two mounting blocks, two marking ray lights, a U-mounted frame, and a control screw. The two mounting blocks are symmetrically fixed on both sides of the support mechanism. A marking ray light is rotatably mounted on the bottom of each of the two mounting blocks. The bottoms of the two marking ray lights are slidably mounted on the U-mounted frame. The control screw is threaded onto the U-mounted frame and rotatably mounted on the support mechanism.

[0017] In one embodiment, a knob is fixedly installed at the end of the control screw away from the support mechanism, and a threaded hole is provided on the U-mount bracket, with the control screw threadedly installed in the threaded hole.

[0018] Through the above technical solution, the chemical water tank fiberglass surface spraying device provided by this utility model changes the position of the movable mechanism through the support mechanism, and controls the direction of the nozzle and the distance between the nozzle and the fiberglass surface to be sprayed through the movable mechanism. This solves the technical problems in the prior art where manual hand-held spraying devices consume a lot of physical strength, which affects the spraying quality, and that manual hand-held operation cannot maintain a consistent spraying distance, resulting in uneven spraying. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings without creative effort. In addition, the drawings are not drawn to scale, but are used to illustrate the relative positional relationships between the components.

[0020] Figure 1 This is a three-dimensional structural diagram of the fiberglass surface spraying device for chemical water tanks according to an embodiment of the present invention; Figure 2 This is a partial structural diagram showing the connection between the support mechanism and the movable mechanism of the fiberglass surface spraying device for chemical water tanks according to this utility model. Figure 3 This is a partial structural schematic diagram of the movable mechanism of the fiberglass surface spraying device for chemical water tanks according to this utility model; Figure 4 This is a partial structural diagram showing the connection between the support mechanism and the positioning auxiliary system of the fiberglass surface spraying device for chemical water tanks according to this utility model.

[0021] Explanation of reference numerals in the attached figures: 100. Material bucket; 101. Conveying pipe; 102. Hand handle; 103. Nozzle; 104. Rotating sleeve; 105. Handle; 200. Base plate; 201. Fixed rod; 202. Bracket; 203. Rotating wheel; 300. Connecting rod; 301. Fixed sleeve; 302. Movable rod; 303. First electric push rod; 304. Limiting groove; 305. Limiting strip; 400. Second electric push rod; 401. Rotating shaft; 402. Mounting base; 403. Mounting plate; 500. Mounting block; 501. Identifying ray light; 502. U-mounting bracket; 503. Threaded hole; 504. Control screw; 505. Knob; 506. Groove; 507. Sliding shaft. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be further described in detail below with reference to specific examples and accompanying drawings.

[0023] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.

[0024] It should be noted that, in the description of this utility model, unless otherwise stated, the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientation or positional relationships, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] All terms used in this invention have the same meaning as understood by one of ordinary skill in the art to which this invention pertains, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant art, and not as idealized or highly formalized, unless expressly defined herein.

[0026] Reference Figure 1 The present invention provides a fiberglass surface spraying device for chemical water tanks, comprising: a material tank 100, a conveying pipe 101, a nozzle 103, a support mechanism, and a movable mechanism. The material tank 100, the conveying pipe 101, and the nozzle 103 are connected in sequence. The support mechanism is located on one side of the material tank 100. The movable mechanism is connected to the support mechanism and is movable relative to the support mechanism. The conveying pipe 101 passes through the movable mechanism. The nozzle 103 is mounted on the movable mechanism and can be moved through the movable mechanism.

[0027] Compared with the prior art, the chemical water tank fiberglass surface spraying device of this utility model changes the position of the movable mechanism through the support mechanism, and controls the direction of the nozzle 103 and the distance between the nozzle 103 and the fiberglass surface to be sprayed through the movable mechanism. This solves the technical problems of the prior art where the physical exertion of manual hand-held spraying device operation seriously affects the spraying quality and the inability of manual hand-held operation to maintain a consistent spraying distance, resulting in uneven spraying.

[0028] In one embodiment, such as Figure 1 and Figure 2As shown, the support mechanism includes a base plate 200, a fixing rod 201, a mounting plate 403, and a bracket 202. The fixing rod 201 is fixedly installed on the top of the base plate 200, the bracket 202 is fixedly installed on the top of the fixing rod 201, and the mounting plate 403 is fixedly installed on the fixing rod 201, located between the base plate 200 and the bracket 202. This design ensures that the support mechanism can support the movable mechanism.

[0029] In one embodiment, the support mechanism further includes a rotating wheel 203, which is movably mounted on the bottom side of the base plate 200. The rotating wheel 203 enables the support mechanism to move, thereby driving the movable mechanism to move through the support mechanism.

[0030] In one embodiment, such as Figure 2 and Figure 3 As shown, the active mechanism includes a handheld lever 102, a rotating sleeve 104, a connecting rod 300, a fixed sleeve 301, and a movable rod 302. The rotating sleeve 104 is fixedly mounted on the handheld lever 102. One end of the connecting rod 300 is fixedly connected to the rotating sleeve 104, and the other end of the connecting rod 300 is fixedly connected to the fixed sleeve 301. The fixed sleeve 301 is mounted on the first end of the handheld lever 102. The first end of the movable rod 302 is slidably mounted inside the fixed sleeve 301, and the second end of the movable rod 302 is located outside the fixed sleeve 301. The nozzle 103 is fixedly mounted on the movable rod 302 away from the fixed sleeve 301. The rotating sleeve 104 is rotatably mounted on the bracket 202 of the support mechanism, so that the active mechanism can rotate relative to the bracket 202. The delivery pipe 101 passes through the handheld lever 102, thereby passing through the active mechanism. The connecting rod 300 remains fixed relative to the handheld rod 102 and the fixed sleeve 301, strengthening the stable connection between the handheld rod 102 and the fixed sleeve 301. This ensures that when the handheld rod 102 rotates around the bracket 202, the fixed sleeve 301 simultaneously rotates around the bracket 202, and therefore the spray head 103 rotates around the bracket 202 simultaneously. This design ensures that the spray head 103 is directly supported by the bracket 202 and the rotating sleeve 104, significantly reducing the physical exertion on the operator. This design controls the distance between the spray head 103 and the fiberglass by controlling the retraction of the movable rod 302 relative to the fixed sleeve 301, thereby ensuring consistent spraying distance and preventing uneven spraying.

[0031] In one embodiment, the handheld lever 102 is a straight rod and hollow inside. The delivery pipe 101 enters the interior of the handheld lever 102 from its second end and exits from its first end adjacent to the fixed sleeve 301. This design ensures that the internal delivery of the delivery pipe 101 is not affected by the moving mechanism when it is in motion.

[0032] In one embodiment, a handle 105 is fixedly mounted on the hand lever 102. The handle 105 is located at the second end of the hand lever 102 and adjacent to the rotating sleeve 104. The handle 105 facilitates the operation of the hand lever 102. The hand lever 102 acts as a lever with respect to the bracket 202. The operator can control the movement of the spray head 103 through the handle 105 to achieve the required spraying operation.

[0033] In one embodiment, such as Figure 3 As shown, a first electric push rod 303 is fixedly installed inside the fixed sleeve 301. The fixed end of the first electric push rod 303 is fixedly connected to the first end of the handheld rod 102, and the output end of the first electric push rod 303 is fixedly connected to the first end of the movable rod 302. The fixed end of the first electric push rod 303 includes a first drive motor, and the output end of the first electric push rod 303 includes a first push rod. The first push rod is fixedly connected to the first end of the movable rod 302, and the extension and retraction direction of the first push rod is controlled by the forward and reverse rotation of the first drive motor. The start and stop of the first drive motor are controlled by a first control system of the first electric push rod 303. The first control system can be a button, switch, or controller. The first electric push rod 303 can drive the movable rod 302 to slide within the fixed sleeve 301, thereby controlling the nozzle 103 to move away from and closer to the fiberglass. This design ensures that the distance between the nozzle 103 and the fiberglass remains consistent.

[0034] In one embodiment, such as Figure 3 As shown, the fixed sleeve 301 is a groove shape with a bottom opening, and the end of the fixed sleeve 301 adjacent to the first end of the handheld rod 102 has a bottom. Limiting grooves 304 are respectively formed on the inner walls of both sides of the fixed sleeve 301. Limiting slide bars 305 are fixedly installed on both sides of the movable rod 302. The two limiting slide bars 305 of the movable rod 302 correspond to the two limiting grooves 304 of the fixed sleeve 301 and are slidably installed within their respective limiting grooves 304. This design ensures that the movable rod 302 slides linearly within the fixed sleeve 301. The movement of the movable rod 302 is restricted by the limiting grooves 304 and the limiting slide bars 305, and can only move within a fixed range.

[0035] In one embodiment, such as Figure 2 and Figure 3 As shown, a second electric push rod 400 is movably mounted on the bottom of the fixed sleeve 301, and the second electric push rod 400 is movably connected to the mounting plate 403 of the support mechanism. This design ensures that the movement of the fixed sleeve 301 relative to the mounting plate 403 is restricted by the second electric push rod 400.

[0036] The fixed end of the second electric push rod 400 is movably connected to the mounting plate 403, and the output end of the second electric push rod 400 is movably connected to the bottom of the fixed sleeve 301. The fixed end of the second electric push rod 400 includes a second drive motor, and the output end of the second electric push rod 400 includes a second push rod. The second push rod is movably connected to the bottom of the fixed sleeve 301, and the extension and retraction direction of the second push rod is controlled by the forward and reverse rotation of the second drive motor. The start and stop of the second drive motor are controlled by a second control system of the second electric push rod 400. The second control system can be a button, switch, or controller. The second electric push rod 400 can drive the fixed sleeve 301 to move relative to the mounting plate 403, thereby controlling the movement of the nozzle 103 relative to the mounting plate 403.

[0037] In one embodiment, such as Figure 2 As shown, mounting seats 402 are fixedly installed on the bottom of the fixed sleeve 301 and the top of the mounting plate 403, respectively. Rotating shafts 401 are fixedly installed on the top of the second push rod and the bottom of the fixed end of the second electric push rod 400, respectively. The two rotating shafts 401 are rotatably mounted to their corresponding mounting seats 402. The second electric push rod 400 is movably connected to the fixed sleeve 301 and the mounting plate 403 via the two rotating shafts 401 and the two mounting seats 402. Specifically, the rotating shaft 401 at the top of the second push rod of the second electric push rod 400 is rotatably mounted on the mounting seat 402 at the bottom of the fixed sleeve 301, and the rotating shaft 401 at the bottom of the fixed end of the second electric push rod 400 is rotatably mounted on the mounting seat 402 at the top of the mounting plate 403.

[0038] The second electric actuator 400 provides support to the fixed sleeve 301, thereby reducing the physical exertion required to operate the handheld lever 102. The second electric actuator 400 indirectly provides driving force to the handheld lever 102, allowing the operator to easily push the handle 105 to move. This design ensures that the second electric actuator 400 can assist the operator in controlling the nozzle 103, requiring less effort.

[0039] This utility model discloses a fiberglass surface spraying device for chemical water tanks, which includes a positioning auxiliary system mounted on a support mechanism. For example... Figure 2 and Figure 4As shown, the positioning assistance system includes two mounting blocks 500, two marking ray lights 501, a U-mount bracket 502, and a control screw 504. The two mounting blocks 500 are symmetrically fixed on both sides of the bracket 202 of the support mechanism. A marking ray light 501 is rotatably mounted on the bottom of each of the two mounting blocks 500. The bottoms of the two marking ray lights 501 are slidably mounted on the U-mount bracket 502. The control screw 504 is threaded onto the U-mount bracket 502 and rotatably mounted on the bracket 202 of the support mechanism. This design ensures that the U-mount bracket 502 can move relative to the bracket 202, and the marking ray lights 501 can rotate relative to the support mechanism.

[0040] In one embodiment, the U-mount bracket 502 has a threaded hole 503, and a control screw 504 is threaded into the threaded hole 503, thereby controlling the screw 504 to be threaded onto the U-mount bracket 502. This design ensures that the threaded screw 504 controls the movement of the U-mount bracket 502 relative to the bracket 202. For example, the bottom of the U-mount bracket 502 has a U-shaped structure with a centrally located protrusion perpendicular to the bottom, and a threaded hole 503 is provided on the protrusion.

[0041] In one embodiment, a knob 505 is fixedly installed at one end of the control screw 504 away from the support mechanism on the bracket 202, and the rotation of the control screw 504 can be driven by the knob 505.

[0042] In one embodiment, the bottom of the marking ray lamp 501 has a groove 506, and two sliding shafts 507 are fixedly mounted on the U-mount bracket 502. The two sliding shafts 507 of the U-mount bracket 502 are respectively installed in the grooves 506 of the corresponding marking ray lamps 501. The two sliding shafts 507 are symmetrically located on the U-mount bracket 502. This design ensures that when the U-mount bracket 502 moves relative to the bracket 202, the two marking ray lamps 501 rotate on the mounting block 500.

[0043] In one embodiment, the first control system of the first electric push rod 303 and the second control system of the second electric push rod 400 are both controllers. The extension and retraction of the first electric push rod 303 and the second electric push rod 400 are controlled by manual operation of the controllers. The controllers of the first electric push rod 303 and the second electric push rod 400 can be set on the handle 105.

[0044] In one embodiment, the first control system of the first electric push rod 303 and the second control system of the second electric push rod 400 are both switches. The extension and retraction of the first electric push rod 303 and the second electric push rod 400 are controlled by manually operating the switches. The switches of the first electric push rod 303 and the second electric push rod 400 can both be set on the handle 105.

[0045] The working principle of the fiberglass surface spraying device for chemical water tanks of this utility model is as follows: During use, the handle 105 is used to rotate the hand lever 102 vertically. The hand lever 102 rotates on the bracket 202 via the rotating sleeve 104. The second electric push rod 400 provides support to the fixed sleeve 301, thereby reducing the physical exertion when operating the hand lever 102. The hand lever 102 acts like a lever with respect to the bracket 202. The operator controls the movement of the spray head 103 through the handle 105 to achieve the spraying operation. The second electric push rod 400 can indirectly provide driving force to the hand lever 102, allowing the operator to easily push the handle 105 to move the hand lever 102. To ensure that the distance between the spray head 103 and the fiberglass remains consistent, the first electric push rod 303 can drive the movable rod 302 to slide within the fixed sleeve 301, thereby controlling the distance between the spray head 103 and the fiberglass. 03. The movement of the movable rod 302 is restricted by the limiting slide groove 304 and the limiting slide bar 305, and can only move within a fixed range. In order to ensure the accuracy of spraying, the control screw 504 is driven to rotate by the knob 505. The rotating control screw 504 drives the U-mounting bracket 502 to move through the threaded hole 503. The moving U-mounting bracket 502 drives the two sliding shafts 507 to slide in the corresponding slide grooves 506, thereby driving the two marking rays 501 to rotate on the mounting block 500 to achieve the effect of opening or closing the two marking rays 501. This allows adjustment of the range of light emitted by the two marking rays 501. The two marking rays 501 emit marking light rays from both sides of the spraying device of this utility model, so that the operator can intuitively see the spraying area, avoid missed spraying, insufficient spraying, and excessive spraying, and improve the efficiency of spraying operation.

[0046] This utility model discloses a fiberglass surface spraying device for chemical water tanks. A bracket 202, in conjunction with a rotating sleeve 104, directly supports the spray head 103, significantly reducing the physical exertion of the operator. Simultaneously, a second electric push rod 400 assists the operator in controlling the movement of the spray head 103, further reducing effort. The distance between the spray head 103 and the fiberglass is controlled by the retraction of the movable rod 302 relative to the fixed sleeve 301, ensuring consistent spraying distance and preventing uneven spraying. Two marking rays 501 emit marking light rays on both sides, allowing the operator to visually identify the spraying area, avoiding missed areas, insufficient spraying, and excessive spraying, thus improving spraying efficiency.

[0047] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0048] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A fiberglass surface spraying device for a chemical water tank, characterized in that, include: The material tank (100), conveying pipe (101), nozzle (103), support mechanism and movable mechanism are connected in sequence. The support mechanism is located on one side of the material tank (100). The movable mechanism is connected to the support mechanism and is movable relative to the support mechanism. The conveying pipe (101) passes through the movable mechanism. The nozzle (103) is mounted on the movable mechanism and can move through the movable mechanism.

2. The fiberglass surface spraying device for chemical water tanks according to claim 1, characterized in that, The support mechanism includes a base plate (200), a fixing rod (201), a mounting plate (403), and a bracket (202). The fixing rod (201) is fixedly installed on the top of the base plate (200), the bracket (202) is fixedly installed on the top of the fixing rod (201), and the mounting plate (403) is fixedly installed on the fixing rod (201). The mounting plate (403) is located between the base plate (200) and the bracket (202).

3. The fiberglass surface spraying device for chemical water tanks according to claim 2, characterized in that, The support mechanism also includes a rotating wheel (203), which is movably mounted on the bottom side of the base plate (200).

4. The fiberglass surface spraying device for chemical water tanks according to claim 1, characterized in that, The movable mechanism includes a handheld rod (102), a rotating sleeve (104), a connecting rod (300), a fixed sleeve (301), and a movable rod (302). The rotating sleeve (104) is fixedly mounted on the handheld rod (102). One end of the connecting rod (300) is fixedly connected to the rotating sleeve (104), and the other end of the connecting rod (300) is fixedly connected to the fixed sleeve (301). The fixed sleeve (301) is mounted on the first end of the handheld rod (102). The first end of the movable rod (302) is slidably mounted inside the fixed sleeve (301) and the second end of the movable rod (302) is located outside the fixed sleeve (301). The nozzle (103) is fixedly mounted on the movable rod (302) away from the fixed sleeve (301). The rotating sleeve (104) is rotatably mounted on the support mechanism. The delivery pipe (101) passes through the hand handle (102). A handle (105) is fixedly mounted on the hand handle (102).

5. The fiberglass surface spraying device for chemical water tanks according to claim 4, characterized in that, The handheld lever (102) is a straight rod and hollow inside. The delivery pipe (101) enters the interior of the handheld lever (102) from the second end of the handheld lever (102) and exits from the first end of the handheld lever (102) adjacent to the fixing sleeve (301).

6. The fiberglass surface spraying device for chemical water tanks according to claim 4, characterized in that, A first electric push rod (303) is fixedly installed inside the fixed sleeve (301). The fixed end of the first electric push rod (303) is fixedly connected to the first end of the hand handle (102), and the output end of the first electric push rod (303) is fixedly connected to the first end of the movable rod (302).

7. The fiberglass surface spraying device for chemical water tanks according to claim 4, characterized in that, The fixed sleeve (301) is a groove shape with a bottom opening. The end of the fixed sleeve (301) adjacent to the first end of the hand handle (102) has a bottom. Limiting grooves (304) are respectively opened on the inner walls of both sides of the fixed sleeve (301). Limiting slide strips (305) are fixedly installed on both sides of the movable rod (302). The two limiting slide strips (305) of the movable rod (302) correspond to the two limiting grooves (304) of the fixed sleeve (301) and are slidably installed in the corresponding limiting grooves (304).

8. The fiberglass surface spraying device for chemical water tanks according to claim 7, characterized in that, The bottom of the fixed sleeve (301) is movably mounted with a second electric push rod (400), which is movably connected to the support mechanism.

9. The fiberglass surface spraying device for chemical water tanks according to claim 1, characterized in that, The system includes a positioning assistance system mounted on the support mechanism. The positioning assistance system includes two mounting blocks (500), two marking ray lights (501), a U-mounting frame (502), and a control screw (504). The two mounting blocks (500) are symmetrically fixed on both sides of the support mechanism. One marking ray light (501) is rotatably mounted on the bottom of each of the two mounting blocks (500). The bottoms of the two marking ray lights (501) are slidably mounted on the U-mounting frame (502). The control screw (504) is threaded onto the U-mounting frame (502) and rotatably mounted on the support mechanism.

10. The fiberglass surface spraying device for chemical water tanks according to claim 9, characterized in that, A knob (505) is fixedly installed at the end of the control screw (504) away from the support mechanism. A threaded hole (503) is provided on the U-mount bracket (502), and the control screw (504) is threadedly installed in the threaded hole (503).

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