Recognition Level Lifeline System

Abstract

This invention features a chamber within the machine body for mounting a central shaft and a cable reel. The central shaft houses a coaxially rotating drum and a main gear. A cable extending from the bottom of the chamber is wound around the drum. A bolt hole for mounting a connector is penetrated through the top of the chamber. The connector is characterized by a bolt that slides axially along the bolt hole, with a spring positioned between the bolt and the bolt hole. The bolt further includes an identification element, a main nut, and a connector outside the bolt hole, ensuring the main nut's movement along the bolt prevents the identification element from rotating. This controls the spring to provide a preload, positioning the bolt in the bolt hole. The cable reel unidirectionally drives the main gear, causing the drum to wind up the cable, increasing tension during horizontal cabling. When this tension exceeds the preload, it overcomes the spring, releasing the identification element that slides axially along the bolt hole. This allows the identification element to be rotated by a person to determine if the tension is appropriate.

Claims

1. A lifeline system with a level of identification, comprising at least: A machine body has a chamber spanning a central shaft, on which a drum and a main gear are mounted coaxially. A cable extending from the bottom of the chamber is wound around the drum. The machine body also has a bolt hole penetrating the top of the chamber. A connector has a bolt that can slide axially along the bolt hole, and a spring is disposed between the bolt and the bolt hole. The bolt is further provided with an identification element, a main nut, and a connector outside the bolt hole, so that the main nut can be screwed along the bolt to tighten the identification element and prevent it from rotating, thereby controlling the spring to provide a set preload to position the bolt in the bolt hole. A cable winder mounted on the machine body drives the main gear to cause the drum to wind up the cable, thereby increasing the tension when performing horizontal wiring. When the tension is greater than the set preload, it can overcome the spring, thereby causing the bolt to slide axially along the bolt hole to release the identification element, so that the identification element can be rotated to identify that the tension is appropriate.

2. As in the identification horizontal lifeline system of claim 1, the bolt is installed in the bolt hole in a non-rotating manner, the spring is located below the bolt hole, the identification element is located above the bolt hole, the main nut is located above the identification element, and the connector is located above the main nut; the bolt is inserted from bottom to top sequentially through the spring and the identification element, and then the main nut and the connector are installed, and the bolt is provided with a cap that can actuate the bottom surface of the spring.

3. As claimed in claim 2, the identification horizontal lifeline system comprises a front shell and a rear shell joined together, with the front end of the central shaft mounted on the front shell and the rear end mounted on the rear shell; the front shell and the rear shell have a bolt hole penetrating at the top of the chamber and an outlet penetrating at the bottom of the chamber; one end of the cable is fixed to the drum, and the other end can extend out of the body through the outlet; the bolt is coaxially defined from bottom to top as a cap, a shaft section, a threaded section, and a pivot section; the cap is held in the chamber; the spring has a spring hole for the shaft section to pass through, and the identification element has a rotating hole that can rotate around the shaft section; the main nut locks the threaded section; and the pivot section provides the mounting for the connector.

4. As in claim 3, the identification horizontal lifeline system, wherein the top of the bolt hole is connected to an upper recess with an outwardly expanding diameter to provide an upper pad configuration, the upper pad having an upper hole for the shaft section to pass through, and the top surface of the upper pad protruding from the top of the body and abutting against the bottom surface of the identification element; the bottom of the bolt hole is connected to a lower recess with an outwardly expanding diameter to provide a lower pad configuration, the lower pad having a lower hole for the shaft section to pass through, such that the spring is clamped between the cap and the bottom surface of the lower pad.

5. As in the identification level lifeline system of request item 3 or 4, the bolt hole cross-section is square; the shaft segment is necked in the middle section to have a square middle bolt that matches the bolt hole, and the middle bolt is further controlled to have a margin for axial movement along the bolt hole.

6. As in claim 3 or 4, the identifying horizontal lifeline system, the pivot section is provided with a slot for the connector to be inserted, and a rivet hole that is radially penetrating through it, the rivet hole being for rivet installation, for riveting the connector to a pre-set connection hole, so that the connector can swing with the rivet as a fulcrum.

7. As in the identification horizontal lifeline system of request item 3 or 4, the master nut has a radially penetrating thread for locking the stop screw into the threaded section.

8. As in the identification level lifeline system of request item 1, 2, 3 or 4, the identification element and the body are provided with a reminder structure to indicate that the tension is appropriate.

9. As in claim 8, the identification horizontal lifeline system, wherein the reminder structure comprises a plurality of female nodes centered on the bolt hole on the body, and male nodes on the identification element that match the female nodes.

10. As in the identification horizontal lifeline system of claims 1, 2, 3, or 4, the body has a pivot hole and a rotating hole coaxially extending through the front and rear of the chamber; the reel is coupled to the pivot hole and the rotating hole to an axially movable support shaft, which is equipped with a secondary gear, a ratchet, and a spring, allowing the secondary gear to switch between a first position engaged with the primary gear and a second position disengaged from the primary gear, and the spring to actuate the secondary gear to be positioned in the first position at all times; the rear end of the support shaft protrudes from the pivot hole and has a radially extending shaft for coupling to an extendable or retractable handle, which, when extended, drives the secondary gear to rotate and thus drives the primary gear. The gear is used to adjust the tension; the part of the handle that is coupled to the shaft is provided with a cam, so that when the handle is retracted upwards to the body with the shaft as the fulcrum, the cam can drive the support shaft to overcome the spring, so that the secondary gear is in the second position disengaged from the main gear; the chamber is also equipped with a ratchet block, one end of which is pivotally connected to the body through a pin, and the other end of which is provided with a pawl and a torsion spring is installed. One end of the torsion spring abuts against the body, and the other end drives the ratchet block, so that the pawl can engage the ratchet in both the first and second positions, so that the secondary gear cannot rotate in the first position and should be pulled out by the cable.

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