Tightenable tunnel portal sealing brush
- Commodity name： Tightenable tunnel portal sealing brush
Email:
ChenXing@cnlfcx.com
Phone:
+863165927222
- Product Description
-
Product Overview:
The tunnel portal brush (tunnel portal sealing device) is a critical sealing component installed on the tail of a shield machine or on the inner side of the steel ring at the tunnel portal. It is primarily composed of high-strength steel wires, special steel plates, spring assemblies, and sealing grease. During the launch, reception, and excavation phases of the shield machine, it dynamically seals the annular gap between the shield machine’s outer casing and the tunnel segments or portal ring, preventing groundwater, soil and sand, grouting slurry, and other materials from entering the tunnel interior, thereby ensuring construction safety and engineering quality.
Application scenarios and operating conditions:
Sealing of tunnel boring machine (TBM) launch and reception openings: Installed on the pre-embedded steel rings at station or shaft openings, these seals are activated when the TBM enters or exits the opening to prevent external water and soil from infiltrating.
TBM sealing brush is an essential sealing component used in tunnel boring machines (TBM) to maintain safe and efficient underground excavation operations. It is mainly installed in the tail sealing system of shield machines, where it plays a key role in preventing the leakage of slurry, groundwater, and other external materials during tunnel construction. With excellent sealing performance, wear resistance, and structural stability, TBM sealing brush helps ensure reliable operation in complex underground environments.
Keywords:
Frequently Asked Questions
We can optimize the product configuration方案 based on your project’s basic parameters and geological and hydrological documentation, including the number and layout of lanes, material selection, and structural customization.
Based on the experimental data from samples, we’ll finalize the design plan to help you create a safer product.
The company demonstrated efficient delivery capabilities during the contract execution phase, producing stable and qualified products.
The company has an independent quality inspection department that samples and tests every batch of products and keeps records of the results. During subsequent product deliveries, you can trace the quality inspection results for each production step at any time.
We provide one-on-one logistics delivery for our products, ensuring efficient and safe delivery. Throughout the entire process, you can track the logistics progress at any time.
Technical support is available at any time during product installation to help you resolve any issues you may encounter.
Product delivery does not mark the end of service—it signals the beginning of a long-term partnership. The company has established a standardized after-sales service process and maintains a dedicated after-sales team comprising technical engineers and repair personnel, offering 24-hour online support to ensure that any issues customers encounter while using our products are resolved quickly and effectively. We adhere to the principles of “customer first, rapid response, problem-solving, and continuous improvement.”
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