一种防坠隔板结构

Abstract

本实用新型公开了一种防坠隔板结构，包括：至少三个吊装部、支撑部、隔板、多组第一压缩弹簧、至少三组锁链。正常情况下由支撑部对隔板进行支撑。在隔板相对支撑部伸缩的行程中，锁链可以是保持呈未绷直，即出现人员坠落到井中的情况时，人员被隔板挡住，由支撑部进行支撑，如果支撑部出现损坏，进一步还有锁链可以吊住隔板。在隔板相对支撑部伸缩的行程中，锁链也可以是能够绷直，即出现人员坠落到井中的情况时，直接由锁链来吊住隔板，如果锁链出现损坏，进一步还有支撑部能对隔板进行支撑。无论是何种方式，隔板都具有锁链吊住、支撑部支撑两重保险措施。具有的有益效果：更加安全可靠。

Claims

1. A fall arrest deflection structure, characterized by, include: At least three lifting parts (1) are used for fixed connection with the well wall; The support part (2) is ring-shaped and is used for fixed connection with the well wall; The partition (3) is circular; it is telescopically connected to the support (2); the edge has multiple notches (3a) that correspond one-to-one with the hoisting part (1); it also has multiple water passage holes (3b); Multiple sets of first compression springs (4) act on the partition (3) to keep the partition (3) in the upper limit position; At least three sets of chains (5) are connected to the hoisting part (1) at the top and to the partition (3) at the bottom. When the partition (3) is in the upper limit position, the chains (5) are not taut.

2. The fall arrest partition structure of claim 1, wherein, The support part (2) includes: a fixed part (21) for fixed connection with the well wall, a movable part (22) telescopically connected to the fixed part (21) and fixedly connected to the partition (3); and multiple sets of first compression springs (4) are disposed between the fixed part (21) and the movable part (22).

3. The fall arrest partition structure of claim 2, wherein, Multiple sets of connectors (6) are provided between the partition (3) and the movable part (22); each set of connectors (6) includes: A U-shaped connecting pin (61) and a partition (3) having a first through slot (3c) through which the connecting pin (61) passes; The stop (62) is threaded to the vertical section of the connecting pin (61); The second compression spring (63) is fitted onto the vertical section of the connecting pin (61); The movable part (22) has a connecting groove (22c) that mates with the connecting pin (61), the connecting groove (22c) including: The second through slot (22c1) connects the top and bottom surfaces of the movable part (22); through which the connecting pin (61) passes. Two limiting grooves are located on the bottom surface of the movable part (22); the horizontal section of the connecting pin (61) enters the second through groove (22c1) by first rotating and then moving upward. In the case where the connecting pin (61) is engaged with the connecting groove (22c), the two ends of the second compression spring (63) are respectively held against the stop block (62) and the partition (3), and the stop block (62) can also be adjusted to hold against the partition (3).

4. The fall arrest deck structure of claim 1, wherein, The number of chains (5) in any group is two; the upper ends of the two chains are connected to the same connector (5a), which is used to connect with the hoisting part (1); the lower ends of the two chains are connected at the gap (3a) on both sides of the partition (3).

5. The fall arrest partition structure of claim 4, wherein, The second connector (5a) includes: a sleeve (5a1) and a stud (5a2) threaded to the sleeve (5a1); the lifting part (1) has a pair of connecting ears (1a).

6. The fall arrest partition structure of claim 5, wherein, The water passage hole (3b) of the partition (3) allows the stud (5a2) to be inserted.

7. The fall arrest deflection structure of claim 2, wherein, The active part (22) has a protrusion (22b) that matches the shape of the notch (3a) at any position corresponding to the notch (3a).

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