一种水污管道对接固定装置
By combining the ball-head hinge connection mechanism and the ratchet tensioner, the problem of central axis deviation in pipe connection is solved, achieving flexible guidance and automatic correction, thus improving construction efficiency and connection sealing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI RAIL TRANSIT ENG CO LTD OF CHINA RAILWAY 17 BUREAU GRP
- Filing Date
- 2025-08-15
- Publication Date
- 2026-07-17
AI Technical Summary
Existing pipe connection auxiliary devices are difficult to adaptively adjust to cope with axial deviations, resulting in low construction efficiency and poor connection sealing.
Employing a ball-head hinge connection mechanism and a ratchet tensioner, the combination design of sliders and slide rails enables flexible guidance and automatic correction, adapting to slight axial deviations in the pipeline and ensuring pipeline alignment and stable connection.
It improves the adaptability and ease of operation of pipeline connections, avoids stress concentration, and ensures the sealing of connections and construction efficiency.
Smart Images
Figure CN224516224U_ABST
Abstract
Claims
1. A water sewer pipe butt fixing device, characterised in that, include: Two semi-ring clamps (1) are used to clamp onto the outer walls of the two pipes to be connected; At least one slide rail (2) is arranged along the axial direction of the pipe; At least one slider (3) is slidably mounted on the slide rail (2); A tensioner is provided to drive the slider (3) to move along the slide rail (2) so that the two semi-ring clamps (1) move closer to each other; The semi-ring clamp (1) is connected to the fixed end of the slider (3) or the slide rail (2) through a ball joint hinge connection mechanism.
2. The water and sewage pipe docking and fixing device according to claim 1, characterized in that, The ball joint hinge connection mechanism includes a connecting rod (8) with ball joints at both ends. One ball joint of the connecting rod (8) is hinged to the semi-ring clamp (1), and the other ball joint is hinged to the fixed end of the slider (3) or the slide rail (2).
3. The water and sewage pipe docking and fixing device according to claim 2, characterized in that, The ball joint hinge connection mechanism is also provided with a return spring assembly (9), which is used to provide a return force pointing to the initial posture when the link (8) deviates from its initial posture.
4. The water and sewage pipe docking and fixing device according to claim 3, characterized in that, The return spring assembly (9) includes a tower spring (91) sleeved on the outside of the connecting rod (8) and a torsion spring (92) sleeved on the outside of the connecting rod (8).
5. The water and sewage pipe docking and fixing device according to claim 1, characterized in that, The tensioner is a ratchet type tensioner.
6. The water and sewage pipe docking and fixing device according to claim 5, characterized in that, The ratchet tensioner includes: A rack (4) fixed to the slide rail (2); A gear (5) meshes with the rack (4), the gear (5) being rotatably connected to the slider (3); A ratchet fixed coaxially with the gear (5); A pawl (6) that engages with the ratchet drive, and a handle (7) that connects to the pawl (6).
7. The water and sewage pipe docking and fixing device according to claim 6, characterized in that, The slide rail (2), the two sliders (3) and the ratchet tensioner are all two in number and symmetrically arranged. The two handles (7) are fixedly connected by a connecting rod to achieve synchronous operation.
8. The water and sewage pipe docking and fixing device according to claim 6, characterized in that, The gear (5) and the ratchet are integrated, and the pawl (6) directly contacts the teeth of the gear (5).
9. The water and sewage pipe docking and fixing device according to claim 6, characterized in that, It also includes a cover that is fixed to the slide rail (2) and covers the rack (4).
10. The water and sewage pipe docking and fixing device according to claim 1, characterized in that, The inner wall of the semi-ring clamp (1) is provided with a replaceable liner (11), and the inner wall of the liner (11) matches the outer wall of the pipe to be connected.