CN-121993228-A - Device for eliminating chromatic aberration of surface of tunnel second lining

Abstract

The invention belongs to the technical field of tunnel construction, and provides a device for eliminating chromatic aberration of a secondary lining surface of a tunnel, which aims to solve the problems of low efficiency and poor repairing effect when manual spraying is adopted to eliminate chromatic aberration of a secondary lining of the tunnel. The invention comprises a base and a grout storage box, wherein the grout storage box is placed on the base and used for containing grout for eliminating secondary lining chromatic aberration, a hollow portal frame conveying pipe is provided with a plurality of grout spraying holes, pressure nozzles are arranged on the grout spraying holes, the portal frame conveying pipe is communicated with the grout storage box, and the grout in the grout storage box is sprayed out of the pressure nozzles after entering the portal frame conveying pipe to repair the secondary lining surface. The invention can improve the efficiency and the repairing effect of the secondary lining color difference repairing, and can avoid the potential safety hazard brought by working personnel at high altitude.

Inventors

• WANG PENG
• CAI RUN
• LIU JIMING
• PENG TAO
• LI JIALONG
• ZHAO DUOYIN
• YU JINGMING
• HE CAN
• ZHAO HAITANG

Assignees

• 中冶成都勘察研究总院有限公司

Dates

Publication Date

20260508

Application Date

20260122

Claims (5)

1. 1. An apparatus for eliminating chromatic aberration of a surface of a second liner of a tunnel, comprising: a base serving as a support for the entire apparatus; The grout storage box is arranged on the base and is used for containing grout for eliminating secondary lining chromatic aberration; the hollow portal frame conveying pipe is provided with a plurality of spraying holes, the spraying holes are provided with pressure nozzles, the portal frame conveying pipe is communicated with the grout storage box, and grout in the grout storage box is sprayed out of the pressure nozzles after entering the portal frame conveying pipe to repair the surface of the secondary lining.
2. 2. The device for eliminating chromatic aberration of the surface of a secondary lining of a tunnel according to claim 1, wherein the portal frame conveying pipe is formed by splicing a plurality of sections, and the shape of the portal frame conveying pipe is mutually matched with the inner surface of the secondary lining after backfilling in the tunnel.
3. 3. The apparatus for eliminating chromatic aberration of the surface of a secondary lining of a tunnel according to claim 1, wherein the sum of coverage areas of the respective pressure nozzles is mutually adapted to the inner surface of the secondary lining after backfilling.
4. 4. The device for eliminating chromatic aberration of the surface of a second liner of a tunnel of claim 1, wherein a traveling wheel is disposed under the base, and the entire device is moved in the backfill layer of the tunnel by the traveling wheel.
5. 5. The device for eliminating chromatic aberration of the surface of a secondary lining of a tunnel according to claim 1, wherein the pressure nozzle has a coating rate of 100g/m2 and a traveling speed V of 0.1m/s when the chromatic aberration degree DeltaE of the secondary lining is less than or equal to 5, a coating rate of 150g/m2 and a traveling speed V of 0.1m/s when the setting difference degree DeltaE of the secondary lining is less than or equal to 10, and a coating rate of 200g/m2 and a traveling speed V of 0.08m/s when the setting difference DeltaE of the secondary lining is more than or equal to 10.

Description

Device for eliminating chromatic aberration of surface of tunnel second lining Technical Field The invention belongs to the technical field of tunnel construction, and particularly relates to a device for eliminating chromatic aberration of the surface of a second lining of a tunnel. Background When the tunnel is constructed, along with larger chromatic aberration existing after the secondary lining construction is completed, the manual grouting construction is mainly carried out by means of manual grouting of constructors at present, the problems of low efficiency and poor repairing effect exist in the manual grouting construction, meanwhile, partial high-altitude operation exists in the manual grouting construction in the tunnel, and larger potential safety hazards exist. Disclosure of Invention The invention aims to solve the problems of low efficiency and poor repairing effect when constructors adopt manual spraying to eliminate the chromatic aberration of the secondary lining of the tunnel, and provides the device for eliminating the chromatic aberration of the surface of the secondary lining of the tunnel, which can improve the repairing efficiency and the repairing effect of the chromatic aberration of the secondary lining and avoid potential safety hazards caused by high-altitude operation of the constructors. In order to solve the technical problems, the invention adopts the following technical scheme: an apparatus for eliminating chromatic aberration of a surface of a second liner of a tunnel, comprising: a base serving as a support for the entire apparatus; The grout storage box is arranged on the base and is used for containing grout for eliminating secondary lining chromatic aberration; the hollow portal frame conveying pipe is provided with a plurality of spraying holes, the spraying holes are provided with pressure nozzles, the portal frame conveying pipe is communicated with the grout storage box, and grout in the grout storage box is sprayed out of the pressure nozzles after entering the portal frame conveying pipe to repair the surface of the secondary lining. In some embodiments, the portal frame conveying pipe is formed by splicing a plurality of sections, and the shape of the portal frame conveying pipe is mutually matched with the inner surface of the secondary lining after backfilling in the tunnel. In some embodiments, the sum of the coverage of each pressure nozzle is mutually matched with the inner surface of the backfilled secondary liner. In some embodiments, walking wheels are arranged below the base, and the whole device moves in the backfill layer of the tunnel through the walking wheels. In some embodiments, the pressure nozzle has a coating rate of 100g/m2 and a traveling speed V of 0.1m/s when the color difference delta E of the secondary lining is less than or equal to 5, a coating rate of 150g/m2 and a traveling speed V of 0.1m/s when the color difference delta E of the secondary lining is less than or equal to 10, and a coating rate of 200g/m2 and a traveling speed V of 0.08m/s when the color difference delta E of the secondary lining is more than or equal to 10. Compared with the prior art, the invention has the following beneficial effects: The invention forms a simple walking trolley by utilizing the base and the portal frame conveying pipe, wherein the portal frame conveying pipe is used as a mounting structure of the pressure nozzle and a conveying passage of the slurry, and the slurry in the slurry storage box is sprayed out of the pressure nozzle after entering the hollow portal frame conveying pipe so as to spray the surface of the secondary lining, thereby achieving the purpose of eliminating the poor surface setting of the secondary lining. Compared with the prior art, the method for repairing by adopting manual spraying can greatly improve the efficiency and the repairing effect of chromatic aberration repairing. Meanwhile, the potential safety hazard problem caused by high-altitude spraying of constructors is avoided. The portal frame conveying pipe is formed by splicing multiple sections, so that the portal frame conveying pipe is convenient to carry and transport. The appearance of portal frame conveyer pipe and the internal surface of secondary lining after backfilling are mutually adapted to make each pressure nozzle the same apart from the internal surface of secondary lining, further improve thick liquid spraying's homogeneity. When the color difference delta E of the secondary lining is less than or equal to 5, the coating rate of the pressure nozzle is 100g/m < 2 >, the traveling speed V of the base is 0.1m/s, when the setting difference delta E of the secondary lining is less than or equal to 5 and less than or equal to 10, the coating rate of the pressure nozzle is 150g/m < 2 >, the traveling speed V of the base is 0.1m/s, and when the setting difference delta E of the secondary lining is more than or equal to 10, the coating rate of the pressure no