CN-224221661-U - Metal pipeline internal surface spraying device

CN224221661UCN 224221661 UCN224221661 UCN 224221661UCN-224221661-U

Abstract

The utility model discloses a spraying device for the inner surface of a metal pipeline, which relates to the technical field of spraying of building construction materials and comprises a device shell, a self-sealing component, a spraying component, a rotating component and a supporting component, wherein a storage bin is arranged in the device shell, the self-sealing component is used for feeding and self-sealing of the storage bin, the spraying component is arranged on the device shell and is used for spraying raw materials in the storage bin on the inner surface of the metal pipeline, the rotating component is used for controlling the spraying component to realize the rotating spraying, the supporting component is arranged on the outer side of the device shell and is used for movably supporting the whole device in the metal pipeline. The support assembly is arranged, the whole device can be supported in building pipelines with different diameters by adjusting the support size of the support assembly, and the applicable range of the device is improved.

Inventors

XU YUJING
WANG SHUANGLONG
JIANG WENCHEN
LI HUIHONG
WEI HUI
LIANG LIHUA
JIA JIANPING
XUE JUNYU

Assignees

广西建工集团冶金建设有限公司

Dates

Publication Date: 20260512
Application Date: 20250411

Claims (9)

1. The spraying device for the inner surface of the metal pipeline is characterized by comprising a device shell, a self-sealing assembly, a spraying assembly, a rotating assembly and a supporting assembly, wherein a storage bin is arranged in the device shell, the self-sealing assembly is used for feeding and self-sealing of the storage bin, the spraying assembly is arranged on the device shell and used for spraying raw materials in the storage bin on the inner surface of the metal pipeline, the rotating assembly is used for controlling the spraying assembly to realize rotating spraying, and the supporting assembly is arranged on the outer side of the device shell and used for movably supporting the whole device in the metal pipeline.
2. The device for spraying the inner surface of the metal pipeline according to claim 1, wherein the self-sealing assembly comprises a sealing pipe, a fixing plate, a limiting pipe, a spring, a limiting column and a sealing plate, the sealing pipe is arranged on a device shell, is close to one end of the storage bin and is integrally formed with the device shell, the sealing cover is arranged at the outer end of the sealing pipe, the inner channel of the sealing pipe is communicated with the storage bin, the fixing plate is arranged between the sealing pipe and the storage bin, the fixing plate is provided with a flow hole, the limiting pipe is arranged in the sealing pipe, the inner end of the limiting pipe is connected with the fixing plate, the spring is arranged in the limiting pipe, the outer end of the limiting column is connected with the sealing plate, the inner end of the limiting column is connected with a sliding block, the sliding block is slidably connected in the limiting pipe, the spring is arranged between the sliding block and is arranged on the inner side of the sealing cover, the sealing plate is provided with a connecting pipe extending out of the sealing pipe through the sealing cover, and the pipe wall of the connecting pipe is provided with an injection hole.
3. The device for spraying the inner surface of the metal pipeline according to claim 1, wherein the spraying assembly comprises a water pump and a spray pipe, the water pump is arranged in the device shell and is communicated with the storage bin, the inner end of the spray pipe is connected with the water pump and is rotatably connected with the device shell, the other end of the spray pipe extends out of the device shell and is connected with a spray nozzle, and the spray pipe is controlled to rotate through the rotating assembly to realize rotary spraying.
4. The apparatus of claim 3, wherein the water pump is connected to the storage bin via a hose.
5. The apparatus of claim 3, wherein the inner end of the nozzle is rotatably coupled to a rotary groove provided in the apparatus housing.
6. The apparatus of claim 3, wherein the rotating assembly comprises a gear slot, a gear and a motor, the gear slot is disposed on the nozzle, and the gear is meshed with the gear slot and is driven to rotate by the motor.
7. The apparatus of claim 6, wherein the tooth slots, the gears and the motor are embedded in mounting slots provided in the apparatus housing.
8. The metal pipeline inner surface spraying device according to claim 1, wherein the supporting component comprises two supporting rods, rollers, sliding rails, sliding blocks and electric push rods, the two supporting rods are located on the same axis and are arranged in a splayed mode, the inner ends of the two supporting rods are rotatably connected to the outer side of a device shell through connecting shafts, the outer ends of the two supporting rods are rotatably connected with the rollers through the connecting shafts respectively, the sliding rails are arranged on the inner sides of the two supporting rods opposite to each other, the sliding blocks on the sliding rails are in sliding connection with the sliding blocks, the two sliding blocks on the two supporting rods are connected through the electric push rods, the electric push rods are bidirectional telescopic push rods with two telescopic rods, and the sliding blocks are rotatably connected with the electric push rods.
9. The apparatus of claim 1, wherein three sets of support members are circumferentially disposed about the exterior of the apparatus housing.

Description

Metal pipeline internal surface spraying device Technical Field The utility model relates to the technical field of spraying of building construction materials, in particular to a spraying device for the inner surface of a metal pipeline. Background The inner surface spraying device of the metal pipeline is equipment for spraying operation on the inner wall of the metal pipeline in building construction, and is mainly applied to the treatment of corrosion prevention, rust prevention, heat preservation, fire prevention and the like of the inner wall of the pipeline in the industries of building, municipal engineering construction and the like. The device can improve the construction efficiency, ensure the spraying quality, reduce the labor cost and improve the construction environment. However, the prior art has several disadvantages: 1) The existing metal pipeline inner surface spraying device is not provided with a self-sealing component, when spraying raw materials need to be added into a storage bin every time, the storage bin needs to be opened to be injected with the spraying raw materials again, the operation is complex, and the situation that the raw materials are splashed and inconvenient to clean can also occur when the raw materials are injected. 2) The existing metal pipeline inner surface spraying device is not provided with a supporting component which can be suitable for building pipelines with different diameters, so that the applicable range of the metal pipeline inner surface spraying device is limited. Disclosure of utility model The utility model aims to provide a spraying device for the inner surface of a metal pipeline, which solves the problems in the prior art, is convenient to add spraying raw materials, has self-sealing performance, and can be supported on the inner walls of different building pipelines and has the advantage of wide application range. In order to achieve the above object, the present utility model provides the following solutions: The utility model provides a metal pipeline inner surface spraying device which comprises a device shell, a self-sealing component, a spraying component, a rotating component and a supporting component, wherein a storage bin is arranged in the device shell, the self-sealing component is used for feeding and self-sealing of the storage bin, the spraying component is arranged on the device shell and used for spraying raw materials in the storage bin on the inner surface of a metal pipeline, the rotating component is used for controlling the spraying component to realize rotating spraying, and the supporting component is arranged on the outer side of the device shell and used for movably supporting the whole device in the metal pipeline. Preferably, the self-sealing assembly comprises a sealing tube, a fixing plate, a limiting tube, a spring, a limiting column and a sealing plate, wherein the sealing tube is arranged on the device shell, is close to one end of the storage bin and is integrally formed with the device shell, the outer end of the sealing tube is provided with the sealing cover, the inner channel of the sealing tube is communicated with the storage bin, the fixing plate is arranged between the sealing tube and the storage bin, the fixing plate is provided with a flow hole, the limiting tube is arranged in the sealing tube, the inner end of the limiting tube is connected with the fixing plate, the spring is arranged in the limiting tube, the outer end of the limiting column is connected with the sealing plate, the inner end of the limiting column is connected with a sliding block, the sliding block is slidably connected in the limiting tube, the spring is arranged between the fixing plate, the sealing plate is arranged on the inner side of the sealing cover, the sealing plate is provided with a connecting tube penetrating through the sealing cover and extending out of the sealing tube, and the tube wall of the connecting tube is provided with a connecting tube. Preferably, the spraying assembly comprises a water pump and a spray pipe, the water pump is arranged in the device shell and is communicated with the storage bin, the inner end of the spray pipe is connected with the water pump and is rotationally connected with the device shell, the other end of the spray pipe extends out of the device shell and is connected with a spray nozzle, and the spray pipe is controlled to rotate through the rotating assembly to realize rotary spraying. Preferably, the water pump is communicated with the storage bin through a hose. Preferably, the inner end of the spout is rotatably connected to a rotation slot provided in the device housing. Preferably, the rotating assembly comprises a tooth slot, a gear and a motor, wherein the tooth slot is arranged on the spray pipe, and the gear is meshed with the tooth slot and is driven to rotate by the motor. Preferably, the tooth slot, the gear and the motor are all embedded in a mounting groove arranged