Spraying device for inner wall of prestressed concrete cylinder pipe
By designing a prestressed steel cylinder concrete pipe inner wall spraying device including support members, pneumatic actuators, guide rods and wall spraying mechanisms, the problems of instability and uneven spraying of existing devices are solved, and uniform spraying of the inner wall of concrete pipes are achieved and the production efficiency of the production.
Patent Information
- Application Number
- CN202421476619.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The existing spraying device for the inner wall of the prestressed steel cylinder concrete pipe is not stable enough, resulting in uneven spraying, and the device design is inconvenient for adjustment, affecting production quality.
A prestressed steel cylinder concrete pipe inner wall spraying device including a support member, a pneumatic actuator, a guide rod and a wall spraying mechanism is designed. The stable support and uniform spraying of the spray brush are achieved through the movable slot, a fixed position conveying rod and a telescopic mechanism.
The device can maintain the stable position of the concrete pipes, ensure uniformity and quality of the spraying process, reduce the demand for manpower transportation, and improve production efficiency.
Smart Images

Figure CN223010906U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inner wall spraying of pipes, in particular to an inner wall spraying device for a prestressed concrete cylinder pipe. Background Art
[0002] A prestressed concrete cylinder pipe is a new type of composite pipe formed by four basic raw materials, namely steel plates, prestressed steel wires, concrete, and cement mortar, after manufacturing processes such as steel cylinder forming, concrete pouring, application of prestress control technology, and protective layer spraying.
[0003] Whether the prestressed concrete cylinder pipe is used to lay a water supply pipeline or a sewage pipeline, it is buried underground. Since there are many harmful media in the soil and the outer wall surface of the prestressed concrete cylinder pipe is a cement surface, if it directly contacts the soil, the outer wall of the prestressed concrete cylinder pipe is very easy to be corroded. Therefore, it is necessary to perform anti-corrosion treatment on the outer wall of the prestressed concrete cylinder pipe. The current anti-corrosion technology is to apply a layer of epoxy coal tar pitch on the outer wall of the prestressed concrete cylinder pipe.
[0004] The following problems exist in the prior art:
[0005] 1. In the existing inner wall spraying device for prestressed concrete cylinder pipes, the concrete pipe is not fixed, resulting in the position deviation of the concrete pipe during the inner wall spraying process, making the device unstable and wasting manpower for support.
[0006] 2. In the existing inner wall spraying device for prestressed concrete cylinder pipes, the spraying mechanism cannot be adjusted, resulting in uneven internal spraying, and some areas are not sprayed in place, making the production of the device unqualified. Content of the Utility Model
[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0008] An inner wall spraying device for a prestressed concrete cylinder pipe, comprising a support member. One side of the support member is provided with a movable card slot. The top of the support member is fixedly connected with a pneumatic actuator. The bottom of the pneumatic actuator is drivingly connected with a guide rod. The bottom of the guide rod is movably connected with a spraying mechanism. One side bottom of the support member is fixedly connected with a bottom backing plate. The top of the bottom backing plate is fixedly connected with a pushing device;
[0009] The spraying mechanism includes a driving motor. The outer wall of the driving motor is inserted into the interior of the movable card slot. The top of the driving motor is fixedly connected with a connecting plate. One side of the connecting plate is fixedly connected with a clamping rod.
[0010] A further improvement of the technical solution of the present utility model lies in that: the output end of the driving motor is drivingly connected to a fixed-position transmission rod, one end of the fixed-position transmission rod is movably connected to a spraying brush, and one end of the fixed-position transmission rod is movably connected to a mounting nut cap.
[0011] A further improvement of the technical solution of the present utility model lies in that: both ends of the connecting plate are penetrated and connected by guide rods, the clamping rod plays a supporting role for the concrete pipe, and the mounting nut cap plays a limiting role.
[0012] A further improvement of the technical solution of the present utility model lies in that: the spraying brush includes a housing, a paint box is fixedly connected inside the housing, a telescopic mechanism is fixedly connected to the outer wall of the paint box, and a spraying gun is fixedly connected to one end of the telescopic mechanism.
[0013] A further improvement of the technical solution of the present utility model lies in that: six groups of telescopic mechanisms are connected to the outer wall of the paint box, and the telescopic mechanisms control the spraying range.
[0014] A further improvement of the technical solution of the present utility model lies in that: the pushing device includes a fixed slot, the bottom of the fixed slot is fixedly connected to the top of the bottom backing plate, a cylinder is fixedly connected to one side of the fixed slot, the output end of the cylinder is drivingly connected to a telescopic rod, one end of the telescopic rod is penetrated and connected to a connecting sliding block, a lifting rod is fixedly connected to the top of the connecting sliding block, a support table is fixedly connected to the top of the lifting rod, and the shape of the support table is U-shaped.
[0015] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is:
[0016] The present utility model provides an inner wall spraying device for a prestressed concrete cylinder pipe. An activity clamping slot is opened on one side of the support member, the connecting plate of the spraying wall mechanism is slidably connected inside the activity clamping slot, and then it moves up and down through the pneumatic actuator and the guide rod. And a clamping rod is also fixedly connected to one side of the connecting plate to support the concrete pipe, so that when the inside of the concrete pipe is sprayed, it can be kept stable. The top of the support table supports and lifts the concrete pipe, and the support table can complete the lifting work through the lifting rod. At the same time, one side of the connecting sliding block connected to the bottom can move towards one side of the device through the driving of the cylinder, so that one end of the concrete pipe supported on the top can be aligned with the spraying wall mechanism, making the inside stable during spraying and reducing the use of manpower.
[0017] The utility model provides a spraying device for the inner wall of a prestressed concrete cylinder pipe. One end of a fixed-position transmission rod is movably connected with a spraying brush, and the spraying brush can move inside the concrete pipe. A paint box is slidably connected to the outer wall of the fixed-position transmission rod and can move along with the device during the spraying process, so that the paint spraying will not affect the evenness of spraying. Moreover, the outer wall of the paint box is connected to a spraying gun through a telescopic mechanism, which is more convenient for the spraying wall mechanism to adjust the distance from the inner wall of the concrete pipe, making the spraying more uniform and the device more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic structural diagram of the spraying device for the inner wall of the prestressed concrete cylinder pipe of the present utility model;
[0019] Figure 2 is a schematic structural diagram of the spraying wall mechanism of the present utility model;
[0020] Figure 3 is a schematic structural diagram of the spraying brush of the present utility model;
[0021] Figure 4 is a schematic structural diagram of the pushing device of the present utility model.
[0022] In the figure: 1, support member; 2, movable clamping groove; 3, pneumatic actuator; 4, guide rod; 5, spraying wall mechanism; 6, bottom cushion plate; 7, pushing device; 51, driving motor; 52, connecting plate; 53, clamping rod; 54, fixed-position transmission rod; 55, spraying brush; 56, mounting nut; 551, housing; 552, paint box; 553, telescopic mechanism; 554, spraying gun; 71, fixed groove; 72, cylinder; 73, telescopic rod; 74, connecting sliding block; 75, lifting rod; 76, support platform. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The following further describes the present utility model in detail with reference to embodiments: Embodiment
[0024] As Figures 1-4 shown, the present utility model provides a spraying device for the inner wall of a prestressed concrete cylinder pipe, including a support member 1. A movable clamping groove 2 is provided on one side of the support member 1. A pneumatic actuator 3 is fixedly connected to the top of the support member 1. The bottom of the pneumatic actuator 3 is drivingly connected to a guide rod 4. The bottom of the guide rod 4 is movably connected to a spraying wall mechanism 5. A bottom cushion plate 6 is fixedly connected to the bottom of one side of the support member 1. A pushing device 7 is fixedly connected to the top of the bottom cushion plate 6.
[0025] In this embodiment, through the combined action of the support member 1, the spray wall mechanism 5, and the pushing device 7, the device can be used more conveniently. One side of the support member 1 is connected to the spray wall mechanism 5. At the same time, the pneumatic actuator 3 and the guide rod 4 are used to change the up and down spraying positions. And the pushing device 7 is connected to the top of the bottom cushion plate 6, which can move the concrete pipe up, down, left, and right, and can adjust the connection of the device, making the device more convenient to use. Embodiment
[0026] As Figures 1-4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the spray wall mechanism 5 includes a driving motor 51. The outer wall of the driving motor 51 is inserted into the inside of the movable card slot 2. The top of the driving motor 51 is fixedly connected to a connecting plate 52. One side of the connecting plate 52 is fixedly connected to a clamping rod 53. The output end of the driving motor 51 is drivingly connected to a fixed-position transmission rod 54. One end of the fixed-position transmission rod 54 is movably connected to a spraying brush 55. One end of the fixed-position transmission rod 54 is movably connected to a mounting nut cap 56.
[0027] Both ends of the connecting plate 52 are penetrated and connected by the guide rod 4. The clamping rod 53 plays a supporting role for the concrete pipe, and the mounting nut cap 56 plays a limiting role.
[0028] In this embodiment, through the combined action of the support member 1, the pneumatic actuator 3, the guide rod 4, and the spray wall mechanism 5, the device can be used more conveniently. An activity card slot 2 is opened on one side of the support member 1. The connecting plate 52 of the spray wall mechanism 5 is slidably connected to the inside of the activity card slot 2. Then, it moves up and down through the pneumatic actuator 3 and the guide rod 4. And one side of the connecting plate 52 is also fixedly connected to a clamping rod 53 to support the concrete pipe, so that when spraying inside the concrete pipe, it can be kept stable and the spraying can be more uniform. One end of the fixed-position transmission rod 54 is movably connected to a spraying brush 55, and the spraying brush 55 can move inside the concrete pipe, making the device more convenient to use. Embodiment
[0029] As Figures 1-4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the spraying brush 55 includes a housing 551. A paint box 552 is fixedly connected to the inside of the housing 551. A telescopic mechanism 553 is fixedly connected to the outer wall of the paint box 552. One end of the telescopic mechanism 553 is fixedly connected to a spray gun 554.
[0030] Six groups of telescopic mechanisms 553 are connected to the outer wall of the paint box 552, and the telescopic mechanisms 553 control the spraying range.
[0031] In this embodiment, through the combined action of the paint cartridge 552, the telescopic mechanism 553, and the spray gun 554, the device can be made more convenient to use. The paint cartridge 552 is slidably connected to the outer wall of the fixed-position transfer rod 54 and can move along with the movement of the device during the spraying process, so that the paint spraying will not affect the evenness of the spraying. Moreover, the outer wall of the paint cartridge 552 is connected to the spray gun 554 through the telescopic mechanism 553, which makes it more convenient for the spray wall mechanism 5 to adjust the distance from the inner wall of the concrete pipe, making the spraying more uniform. Embodiment
[0032] As Figures 1-4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the pushing device 7 includes a fixed groove 71, the bottom of the fixed groove 71 is fixedly connected to the top of the bottom backing plate 6, one side of the fixed groove 71 is fixedly connected to a cylinder 72, the output end of the cylinder 72 is drivingly connected to a telescopic rod 73, one end of the telescopic rod 73 is connected through a connecting sliding block 74, the top of the connecting sliding block 74 is fixedly connected to a lifting rod 75, the top of the lifting rod 75 is fixedly connected to a support table 76, and the shape of the support table 76 is U-shaped.
[0033] Next, the working principle of the spraying device for the inner wall of the prestressed concrete cylinder pipe will be specifically described.
[0034] As Figures 1-4As shown in the figure, when this prestressed concrete cylinder pipe inner wall spraying device is in use, one side of the support member 1 is connected to the spraying wall mechanism 5. At the same time, the pneumatic actuator 3 and the guide rod 4 are used to change its up and down spraying position. And a pushing device 7 is connected to the top of the bottom cushion plate 6, which can move the concrete pipe up, down, left and right, and can adjust the connection of the device, making the device more convenient to use. An activity card slot 2 is opened on one side of the support member 1, and the connecting plate 52 of the spraying wall mechanism 5 is slidably connected to the inside of the activity card slot 2, and then moves up and down through the pneumatic actuator 3 and the guide rod 4. And a clamping rod 53 is fixedly connected to one side of the connecting plate 52 to support the concrete pipe, so that when the inside of the concrete pipe is sprayed, it can be kept stable and the spraying can be more uniform. One end of the fixed-position transmission rod 54 is movably connected to a spraying brush 55, and the spraying brush 55 can move inside the concrete pipe, making the device more convenient to use. The paint box 552 is slidably connected to the outer wall of the fixed-position transmission rod 54 and can move along with the device during spraying, so that the paint spraying will not affect the uniformity of spraying. And the outer wall of the paint box 552 is connected to the spraying gun 554 through a telescopic mechanism 553, which is more convenient for the spraying wall mechanism 5 to adjust the distance from the inner wall of the concrete pipe, making the spraying more uniform. The top of the support platform 76 supports and lifts the concrete pipe, and the support platform 76 can complete the lifting work through the lifting rod 75. At the same time, one side of the connecting sliding block 74 connected to the bottom can be driven by the cylinder 72 to move to one side of the device, so that one end of the concrete pipe supported on the top can be aligned with the spraying wall mechanism 5, making the inside stable during spraying.
[0035] The above text has generally described the present invention in detail, but based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, the modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A prestressed steel cylinder concrete pipe inner wall spraying device, comprising a support member (1), characterized in that: A movable slot (2) is provided on one side of the support member (1); a pneumatic actuator (3) is fixedly connected to the top of the support member (1); a guide rod (4) is transmission-connected to the bottom of the pneumatic actuator (3); a wall spraying mechanism (5) is movably connected to the bottom of the guide rod (4); a bottom pad (6) is fixedly connected to the bottom of one side of the support member (1); and a pushing device (7) is fixedly connected to the top of the bottom pad (6); The wall spraying mechanism (5) comprises a driving motor (51), the outer wall of the driving motor (51) being inserted into the interior of the movable clamping slot (2), the top of the driving motor (51) being fixedly connected to a connecting plate (52), and one side of the connecting plate (52) being fixedly connected to a clamping rod (53).
2. The inner wall spraying device of a prestressed steel cylinder concrete pipe according to claim 1 is characterized in that: The output end of the driving motor (51) is drivingly connected to a fixed position transmission rod (54), one end of the fixed position transmission rod (54) is movably connected to a spray brush (55), and one end of the fixed position transmission rod (54) is movably connected to a mounting nut cap (56).
3. The inner wall spraying device of a prestressed steel cylinder concrete pipe according to claim 2 is characterized in that: The two ends of the connecting plate (52) are connected by guide rods (4) passing through them, the clamping rods (53) play a supporting role for the concrete pipe, and the mounting nut caps (56) play a limiting role.
4. The inner wall spraying device of a prestressed steel cylinder concrete pipe according to claim 2 is characterized in that: The spray brush (55) comprises a shell (551), the interior of the shell (551) is fixedly connected to a paint box (552), the outer wall of the paint box (552) is fixedly connected to a telescopic mechanism (553), and one end of the telescopic mechanism (553) is fixedly connected to a spray gun (554).
5. The inner wall spraying device of a prestressed steel cylinder concrete pipe according to claim 4 is characterized in that: The outer wall of the paint box (552) is connected to six groups of telescopic mechanisms (553), and the telescopic mechanisms (553) control the spraying range.
6. The inner wall spraying device of a prestressed steel cylinder concrete pipe according to claim 1 is characterized in that: The pushing device (7) comprises a fixed groove (71), the bottom of the fixed groove (71) is fixedly connected to the top of the bottom pad (6), one side of the fixed groove (71) is fixedly connected to a cylinder (72), the output end of the cylinder (72) is drivingly connected to a telescopic rod (73), one end of the telescopic rod (73) is penetrated and connected to a connecting sliding block (74), the top of the connecting sliding block (74) is fixedly connected to a lifting rod (75), and the top of the lifting rod (75) is fixedly connected to a support platform (76), and the support platform (76) is in a U-shape.