Steel pipe piece anti-erosion spraying device for subway tunnel construction

Abstract

The utility model relates to a steel pipe piece anti-erosion spraying device for subway tunnel construction. The paint spraying groove is formed in the inner bottom of the L-shaped base and used for containing anti-erosion paint spraying, the recycling opening is formed in the top face of the horizontal end of the L-shaped base and communicated with the paint spraying groove, and the rotary table supporting assembly is rotationally arranged at the recycling opening, used for supporting the duct piece and provided with a gap facilitating falling of redundant paint spraying. The output end of the spraying assembly is vertically arranged on the face, right opposite to the two fixing assemblies, of the vertical end of the L-shaped base, and the spraying assembly is used for spraying anti-erosion paint in the paint spraying groove to the surface and the end faces of the two ends of the steel pipe piece. According to the utility model, through the cooperation of the rotatable turntable supporting assembly, the spraying assembly and the fixing assembly, anti-erosion paint spraying is carried out on each surface of a steel pipe piece while the steel pipe piece is fixedly rotated, so that automatic paint spraying is effectively realized without manual operation, and the manpower is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe segments, in particular to an anti-corrosion spraying device for steel pipe segments used in subway tunnel construction. Background Art

[0002] Metro steel pipe segments are made of steel plates and steel sections through welding or casting. During the construction of subway tunnels, special steel pipe segments are required in the connecting passages. The steel pipe segments have high strength and good waterproof effect. The subway steel pipe segments need to be sprayed with an anti-corrosion layer on the surface to achieve the anti-corrosion effect.

[0003] Prior art 202222661003.2 discloses an anti-rust layer spraying device for subway steel pipe segments. Although the steel pipe segments can be sprayed with paint, the position of the fixed pipe is fixed, and the painting needs to be done manually, which increases manpower consumption. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a steel pipe segment anti-corrosion spraying device for subway tunnel construction.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an anti-corrosion spraying device for steel pipe segments for subway tunnel construction, comprising an L-shaped base, a paint spraying trough arranged at the bottom of the L-shaped base for placing anti-corrosion paint, a recovery port arranged on the top surface of the horizontal end of the L-shaped base and connected to the paint spraying trough, a turntable support assembly rotatably arranged at the recovery port for supporting the pipe segment and having a gap for facilitating the falling of excess paint, two groups of fixing components arranged on both sides of the turntable support assembly for clamping both sides of the steel pipe segment, and an output end vertically arranged on one side of the vertical end of the L-shaped base facing the two groups of fixing components for spraying the anti-corrosion paint in the paint spraying trough onto the surface of the steel pipe segment and the end faces at both ends.

[0006] Preferably, the turntable support assembly includes a support turntable rotatably arranged on the recovery port and with serrations on the side wall, a placement groove arranged in the horizontal end of the L-shaped base away from the vertical end, a driving motor arranged in the placement groove, and an active gear arranged on the output end of the driving motor and meshing with the serrations on the side wall of the support turntable; the support turntable has a plurality of gaps.

[0007] Preferably, the spraying assembly includes a connecting block vertically arranged in the middle of one side of the vertical end of the L-shaped base facing the supporting turntable and having an inverted L-shaped conveying channel inside, a plurality of paint spray nozzles spaced apart on the connecting block and connected to the internal conveying channel, and a high-pressure pump arranged on the top surface of the vertical end of the L-shaped base, the output end of which is connected to the internal conveying channel of the connecting block and the input end of which is connected to the paint spraying tank; the horizontal end surface of the connecting block and the side wall of the paint spraying tank located on one side of the lower end of the recovery port are also obliquely provided with paint spray nozzles for spraying paint on the end faces of the steel pipe sheets; the conveying channel in the connecting block is also connected to the paint spray nozzle under the recovery port.

[0008] Preferably, the two groups of the fixing components include an inverted L-shaped support block arranged on one side of the top surface of the support turntable, a driving cylinder horizontally inserted into the middle part of the horizontal end of the support block, an extension plate horizontally arranged below the horizontal end of the support block, two sliding grooves respectively arranged on both sides of the extension plate, a first clamping plate arranged on the end of the extension plate away from the driving cylinder, and a second clamping plate arranged on the output end of the driving cylinder and sliding in the two sliding grooves on both sides of the bottom.

[0009] Preferably, the bottom of the paint spray tank is inclined.

[0010] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0011] The utility model cooperates with a rotatable turntable support component, a spraying component and a fixing component to fix and rotate the steel pipe segment while spraying anti-corrosion paint on various surfaces of the steel pipe segment, thereby effectively realizing automatic painting without manual operation and greatly reducing manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0013] Attached Figure 1 This is a schematic diagram of the overall structure of the anti-erosion spraying device for steel pipe segments used in subway tunnel construction according to the utility model;

[0014] Attached Figure 2 The utility model is a steel pipe segment anti-corrosion spraying device for subway tunnel construction Figure 1 A local enlarged structural schematic diagram;

[0015] Attached Figure 3 It is a side sectional structural schematic diagram of the anti-erosion spraying device for steel pipe segments used in subway tunnel construction described in the utility model.

[0016] Among them: 1. L-shaped base; 2. paint spraying tank; 3. recovery port; 4. turntable support assembly; 41. support turntable; 42. placement slot; 43. drive motor; 44. driving gear; 5. fixing assembly; 51. support block; 52. drive cylinder; 53. extension plate; 54. slideway; 55. first clamping plate; 56. second clamping plate; 6. spraying assembly; 61. connection block; 62. conveying channel; 63. paint spray nozzle; 64. high-pressure pump. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Attached Figure 1-3The utility model is a steel pipe segment anti-corrosion spraying device for subway tunnel construction, comprising an L-shaped base 1, a paint tank 2 arranged at the bottom of the L-shaped base 1 for placing anti-corrosion paint, a recovery port 3 arranged on the top surface of the horizontal end of the L-shaped base 1 and connected to the paint tank 2, a turntable support component 4 rotatably arranged at the recovery port 3 for supporting the pipe segment and having a gap for excess paint to fall, two sets of fixing components 5 arranged on both sides of the turntable support component 4 for clamping both sides of the steel pipe segment, and an output end vertically arranged on a side of the vertical end of the L-shaped base 1 facing the two sets of fixing components 5 for The spraying assembly 6 is used to spray the anti-corrosion paint in the spraying tank 2 onto the surface of the steel pipe and the end faces at both ends; the turntable support assembly 4 includes a support turntable 41 rotatably set on the recovery port 3 and with serrated side walls, a placement groove 42 set at the horizontal end of the L-shaped base 1 away from the vertical end, a driving motor 43 set in the placement groove 42, and a driving gear 44 set on the output end of the driving motor 43 and meshing with the serrated side walls of the support turntable 41; the support turntable 41 has a plurality of gaps; the spraying assembly 6 includes a vertically set L-shaped base 1 vertically upright A connecting block 61 in the middle of one side of the supporting turntable 41 and having an inverted L-shaped conveying channel 62 inside, a plurality of paint spray nozzles 63 arranged at intervals on the connecting block 61 and connected to the internal conveying channel 62, and a high-pressure pump 64 arranged on the top surface of the vertical end of the L-shaped base 1, the output end of which is connected to the conveying channel 62 inside the connecting block 61 and the input end of which is connected to the paint spray tank 2; the horizontal end surface of the connecting block 61 and the side wall of the paint spray tank 2 located on one side of the lower end of the recovery port 3 are also inclinedly provided with paint spray nozzles 63 for spraying paint on the end surface of the steel pipe segment; the conveying channel inside the connecting block 61 62 is also connected to the paint spray nozzle 63 under the recovery port 3; the two groups of fixed components 5 include an inverted L-shaped support block 51 arranged on one side of the top surface of the support turntable 41, a driving cylinder 52 horizontally inserted into the middle of the horizontal end of the support block 51, an extension plate 53 horizontally arranged below the horizontal end of the support block 51, two slide grooves 54 respectively arranged on both sides of the extension plate 53, a first clamping plate 55 arranged on the end of the extension plate 53 away from the driving cylinder 52, and a second clamping plate 56 arranged on the output end of the driving cylinder 52 and sliding in the two slide grooves 54 on both sides of the bottom.

[0019] Furthermore, the bottom of the paint spray tank 2 is inclined to guide the flow.

[0020] During use: when it is necessary to paint the steel pipe segment, first place the steel pipe segment on the supporting turntable, and make the two sides of one side of the steel pipe segment fit the first clamping plate 55, then start the driving cylinder 52, and the driving cylinder 52 drives the second clamping plate 56 to move toward the other side of the steel pipe segment. When the second clamping plate 56 fits the other side of the steel pipe segment, the fixation is completed, and then start the driving motor 43 to drive the active gear 44 to rotate, and the active gear 44 drives the supporting turntable to rotate, and the supporting turntable drives the fixing component 5 to rotate, and then the steel pipe segment also rotates, and at the same time start the high-pressure pump 64, and the high-pressure pump 64 brings the anti-corrosion paint in the paint tank 2 into the conveying channel 62 of the connecting block 61, and then sprays it through a number of paint spray nozzles 63, so as to paint all surfaces of the steel pipe segment.

[0021] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. An anti-corrosion spraying device for steel pipe segments used in subway tunnel construction, characterized in that: It comprises an L-shaped base, a paint trough arranged at the bottom of the L-shaped base for placing anti-corrosion paint, a recovery port arranged on the top surface of the horizontal end of the L-shaped base and connected to the paint trough, a turntable support assembly rotatably arranged at the recovery port for supporting the pipe segment and with a gap for facilitating the falling of excess paint, two groups of fixing components arranged on both sides of the turntable support assembly for clamping both sides of the steel pipe segment, and a spray assembly whose output end is vertically arranged on one side of the vertical end of the L-shaped base facing the two groups of fixing components and is used to spray the anti-corrosion paint in the paint trough onto the surface of the steel pipe segment and the end faces at both ends.

2. The anti-corrosion spraying device for steel pipe segments for subway tunnel construction according to claim 1 is characterized in that: The turntable support assembly includes a support turntable rotatably arranged on the recovery port and with serrations on the side wall, a placement groove arranged in the horizontal end of the L-shaped base away from the vertical end, a driving motor arranged in the placement groove, and an active gear arranged on the output end of the driving motor and meshing with the serrations on the side wall of the support turntable; the support turntable has a plurality of gaps.

3. The anti-corrosion spraying device for steel pipe segments for subway tunnel construction according to claim 1 is characterized in that: The spraying assembly includes a connecting block vertically arranged in the middle of a surface of the vertical end of the L-shaped base facing the supporting turntable and having an inverted L-shaped conveying channel inside, a plurality of paint spray nozzles arranged at intervals on the connecting block and connected to the internal conveying channel, and a high-pressure pump arranged on the top surface of the vertical end of the L-shaped base, the output end of which is connected to the internal conveying channel of the connecting block and the input end of which is connected to the paint spraying tank; the horizontal end surface of the connecting block and the side wall of the paint spraying tank located on one side of the lower end of the recovery port are also obliquely provided with paint spray nozzles for spraying paint on the end surfaces of the steel pipe sheets; the conveying channel in the connecting block is also connected to the paint spray nozzle under the recovery port.

4. The anti-corrosion spraying device for steel pipe segments for subway tunnel construction according to claim 1 is characterized in that: The two groups of fixed components include an inverted L-shaped support block arranged on one side of the top surface of the support turntable, a driving cylinder horizontally inserted into the middle part of the horizontal end of the support block, an extension plate horizontally arranged below the horizontal end of the support block, two slide grooves respectively arranged on both sides of the extension plate, a first clamping plate arranged on the end of the extension plate away from the driving cylinder, and a second clamping plate arranged on the output end of the driving cylinder and sliding in the two slide grooves on both sides of the bottom.

5. The anti-corrosion spraying device for steel pipe segments for subway tunnel construction according to claim 1 is characterized in that: The bottom of the paint spraying tank is in an inclined state.

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