Hydraulic propulsion device and pipe jacking system
CN224693381UActive Publication Date: 2026-08-28CHINA RAILWAY 19 BUREAU GRP CO LTD
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Patent Information
- Application Number
- CN202521953538.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-11
AI Technical Summary
Technical Problem
该液压推进装置的卡板需要在顶板两侧反复插拔,导致工作效率低下
Benefits of technology
[0009]由上述方案可见,通过在顶板前后两侧分别设置卡板,并由两个副液压缸分别驱动,有利于提高工作效率;采用液压驱动方式控制卡板上下移动,与现有电机齿轮传动技术相比,更适应沙尘等恶劣工况,具有故障率低的优势;此外,通过设置第一歧路模块与地面泵站相连,并借助第二歧路模块与第一歧路模块对接,可有效减少隧道内油管铺设量,降低漏油风险,同时减少所需泵站数量,有利于节约生产成本。
✦ Generated by Eureka AI based on patent content.
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Figure CN224693381U_ABST
Abstract
The utility model provides a kind of hydraulic propulsion device and pipe jacking system, and hydraulic propulsion device includes main jacking cylinder, roof, first crossroad module, second crossroad module, two clamps and two auxiliary hydraulic cylinders, two clamps are respectively arranged in the front and back sides of roof, clamp is detachably connected with main jacking cylinder, main jacking cylinder can drive roof to move back and forth along front and back direction, first crossroad module is arranged on back seat, second crossroad module and two auxiliary hydraulic cylinders are all arranged on roof, two auxiliary hydraulic cylinders are respectively connected with two clamps, first crossroad module is respectively connected with main jacking cylinder and second crossroad module, first crossroad module controls main jacking cylinder to make telescopic motion, second crossroad module is respectively connected with two auxiliary hydraulic cylinders, second crossroad module controls auxiliary hydraulic cylinder to make telescopic motion, and then drive corresponding clamp to move up and down;Pipe jacking system includes hydraulic propulsion device, pipe jacking machine and pipe type.The utility model has the advantages of high work efficiency, low failure rate, low oil leakage risk and the like.
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