CN102249165B

CN102249165B - Fall protection device

Info

Publication number: CN102249165B
Application number: CN 201110190055
Authority: CN
Inventors: 赵睿; 杜国军; 刘志平; 王曙光
Original assignee: Luoyang Jianguang Petrochemical Equipment Co Ltd
Current assignee: LUOYANG JIANGUANG SPECIAL EQUIPMENT CO., LTD.
Priority date: 2011-07-08
Filing date: 2011-07-08
Publication date: 2013-10-23
Anticipated expiration: 2031-07-08
Also published as: CN102249165A

Abstract

The invention discloses a fall protection device, which comprises a lifting mechanism, a brake mechanism, a transverse beam and guide rails fixedly arranged at both sides of the transverse beam. The lifting mechanism is fixedly arranged at the upper part of the transverse beam; the upper part of the lifting mechanism is connected with a large lifting hook which is arranged at the end part of a steel wire rope; the lifting mechanism is connected with the brake mechanism through a link mechanism; the brake mechanism is arranged on the guide rails; the lifting mechanism consists of a box body and a lifting rod; the lifting rod is arranged in the box body; a press plate is fastened at the upper part of the box body; the box body is internally provided with a bottom board capable of moving along the inner wall of the box body up and down; the lower end of the lifting rod is fixed on the bottom board; the upper end of the lifting rod extends out of the press plate and is provided with a large lifting hook; a trigger spring is arranged on the lifting rod and located inside the box body; the upper end of the trigger spring is pushed against the press plate; and the lower end of the trigger spring is pushed against the bottom board. The fall protection device disclosed by the invention has flexible action, good safety performance and good using effects, can effectively avoid decoking equipment from falling due to the breakage of the steel wire rope, and is beneficial to being popularized and applied.

Description

Falling proof device

Technical field

The present invention relates to a kind of falling proof device, be applied to the fall arrest technical field of decoking equipment in the delayed coking unit of petrochemical industry, be used for preventing decoking equipment invar silk fracture of rope and fall.

Background technology

At present, the decoking its upper side is connected with steel rope one end in the delayed coking unit, and the steel rope other end is fixed on the boring winch reel, and up-and-down movement is realized by winch, steel rope.But have certain defect at secure context, when the steel rope fracture, decoking equipment moment falls to ground, not only causes direct equipment loss, and might damage ground miscellaneous equipment and personnel, whole device security production is consisted of greatly threat.

Summary of the invention

In order to prevent that invar silk fracture of rope from causing the generation of decoking device fall, the purpose of this invention is to provide a kind of falling proof device, can address the above problem preferably.

For achieving the above object, the present invention adopts following technical scheme:

A kind of falling proof device, it comprises shift mechanism, stop mechanism, crossbeam and the guide rail that is fixedly mounted on the crossbeam both sides, shift mechanism is fixedly mounted on crossbeam top, shift mechanism top is connected with the hook that lifts that steel cord ends is provided with, shift mechanism is connected by connecting rod mechanism with stop mechanism, and stop mechanism is installed on the guide rail; Described shift mechanism is comprised of box body and lifting rod, lifting rod is installed in the box body, box body top is fastened with pressing plate, being provided with in the box body can be along the base plate of inboard wall of cartridge up-and-down movement, the lifting rod lower end is fixed on the base plate, and the lifting rod upper end is stretched out outside the pressing plate and is equipped with and lifts hook, and lifting rod is provided with to trigger spring and trigger spring and is positioned at box body inside, trigger the spring upper end and be resisted against on the pressing plate, trigger the spring lower end abutment on base plate.

Described falling proof device, two guide pillars also are installed in the box body of its shift mechanism, and two guide pillars lay respectively at the lifting rod both sides, and the guide pillar lower end is fixed on the base plate, the guide pillar upper end is stretched out outside the pressing plate and with connecting rod mechanism and is connected, and all is arranged with stop collar on two guide pillars.

Described falling proof device, its stop mechanism are two safety tongss, and two safety tongss are installed in respectively the crossbeam two ends, roller guide shoe is installed on the safety tongs, roller guide shoe is installed on the guide rail, and the rocking arm on safety tongs is connected with connecting rod mechanism, and two safety tongss connect by pipe link.

Described falling proof device, its crossbeam bottom is provided with shackle.

Because adopt aforesaid technical scheme, the present invention has following preceence:

This falling proof device, it is simple in structure, and novelty reasonable in design is skillfully constructed, the design of employing Purely mechanical is active in one's movements, stable performance, and safety performance is good, cost is low, and result of use is good, can effectively avoid invar silk fracture of rope to cause the generation of decoking device fall accident, is beneficial to and applies.

Description of drawings

Fig. 1 is the structural representation of falling proof device of the present invention;

Fig. 2 is the structural representation of shift mechanism;

Among the figure: 1-lifts hook; The 2-shift mechanism; The 3-crossbeam; 4(a, b)-guide rail; 5(a, b)-safety tongs; 5.1-rocking arm; 5.2-pipe link; 5.3-pole; 6(a, b)-roller guide shoe; The 7-shackle; The 8-connecting rod mechanism; The 9-lifting rod; 10-triggers spring; The 11-pressing plate; The 12-box body; 13(a, b)-stop collar; 14(a, b)-guide pillar; The 15-base plate.

The specific embodiment

Below by drawings and Examples technical scheme of the present invention is described in further detail.

Be the inner structure of clear expression shift mechanism, box body one side of shift mechanism is omitted and is not drawn among Fig. 1, Fig. 2.

As shown in Figure 1, 2, this falling proof device, guide rail 4a, guide rail 4b that it comprises shift mechanism, stop mechanism, crossbeam 3 and is fixedly mounted on the crossbeam both sides, shift mechanism 2 is fixedly mounted on crossbeam 3 tops, shift mechanism 2 tops are connected with the hook 1 that lifts that steel cord ends is provided with, shift mechanism 2 is connected by connecting rod mechanism 8 with stop mechanism, and stop mechanism is installed on the guide rail; Described shift mechanism is comprised of box body 12 and lifting rod 9, lifting rod 9 is installed in the box body 12, box body top is fastened with pressing plate 11, being provided with in the box body can be along the base plate 15 of inboard wall of cartridge up-and-down movement, lifting rod 9 lower ends are fixed on the base plate 15, and the lifting rod upper end is stretched out outside the pressing plate 11 and is equipped with and lifts hook 1, and lifting rod 9 is provided with to trigger spring 10 and trigger spring and is positioned at box body 12 inside, trigger the spring upper end and be resisted against on the pressing plate, trigger the spring lower end abutment on base plate; Two guide pillars also are installed in the box body 12, guide pillar 14a, guide pillar 14b lay respectively at lifting rod 9 both sides, guide pillar 14a, guide pillar 14b lower end are fixed on the base plate 15, the upper end is stretched out outside the pressing plate 11 and with connecting rod mechanism 8 and is connected, and is arranged with respectively stop collar 13a, stop collar 13b on guide pillar 14a, the guide pillar 14b; Described stop mechanism is two safety tongss, safety tongs 5a, safety tongs 5b are installed in respectively crossbeam 3 two ends, be separately installed with roller guide shoe 6a, roller guide shoe 6b on safety tongs 5a, the safety tongs 5b, roller guide shoe 6a, roller guide shoe 6b are installed in respectively on guide rail 4a, the guide rail 4b, Rocker arm 5 .1 on the safety tongs 5b is connected with connecting rod mechanism 8, and the pole that is connected with rocking arm on the safety tongs 5b is connected by pipe link 5.2 with pole 5.3 on the safety tongs 5a; Described crossbeam 3 bottoms are provided with shackle 7.

Above-mentioned falling proof device, lifting rod 9 upper ends of its shift mechanism with lift hook 1 and be connected, lift hook and link to each other with an end of steel rope; Shackle and decoking equipment connection.

The working process of falling proof device of the present invention is: when steel rope when lifting hook 1 and drive lifting rod 9 upward movements and making triggering spring 10 on the lifting rod in bottom decoking equipment Action of Gravity Field lower compression, lifting rod 9 upward movements drive base plate 15, guide pillar 14a, guide pillar 14b upward movement, when the stop collar 13a on guide pillar 14a, the guide pillar 14b, stop collar 13b contact with pressing plate 11, trigger spring 10 no longer by compression, 8 actions of above-mentioned two guide pillar upward movement drivening rod mechanisms, safety tongs 5a, safety tongs 5b are discharged, move up and down with decoking equipment; When wire cable rupture, the pulling force that lifts on the hook 1 disappears, triggering spring 1 automatically resets and promotes base plate 15 and drive two guide pillars and move downward, connecting rod mechanism 8 runnings are triggered, safety tongs 5a, safety tongs 5b action, produce enough friction force with guide rail 4a, guide rail 4b, make decoking equipment reposefully stop on guide rail; Again after spurring shift mechanism, safety tongs discharges, and decoking equipment works on.

Falling proof device of the present invention, be utilize lineoutofservice signal pull have or not to trigger safety tongs action.

Claims

1. falling proof device, it comprises shift mechanism, stop mechanism, crossbeam and the guide rail that is fixedly mounted on the crossbeam both sides, shift mechanism is fixedly mounted on crossbeam top, shift mechanism top is connected with the hook that lifts that steel cord ends is provided with, shift mechanism is connected by connecting rod mechanism with stop mechanism, and stop mechanism is installed on the guide rail; Shift mechanism is comprised of box body (12) and lifting rod (9), lifting rod is installed in the box body, box body top is fastened with pressing plate (11), being provided with in the box body can be along the base plate (15) of inboard wall of cartridge up-and-down movement, the lifting rod lower end is fixed on the base plate, and the lifting rod upper end is stretched out outside the pressing plate and is equipped with and lifts hook (1), and lifting rod is provided with to trigger spring (10) and trigger spring and is positioned at box body inside, trigger the spring upper end and be resisted against on the pressing plate, trigger the spring lower end abutment on base plate; It is characterized in that: two guide pillars are installed in the box body of its shift mechanism (12), guide pillar (14a, 14b) lays respectively at lifting rod (9) both sides, the guide pillar lower end is fixed on the base plate (15), the guide pillar upper end is stretched out outside the pressing plate (11) and with connecting rod mechanism (8) and is connected, and is arranged with respectively stop collar (13a, 13b) on the guide pillar (14a, 14b).

2. falling proof device according to claim 1, it is characterized in that: its stop mechanism is two safety tongss, safety tongs (5a, 5b) is installed in respectively crossbeam (3) two ends, roller guide shoe (6a, 6b) is installed on the safety tongs (5a, 5b), roller guide shoe (6a, 6b) is installed on the guide rail (4a, 4b), rocking arm (5.1) on the safety tongs (5b) is connected with connecting rod mechanism (8), and two safety tongss (5a, 5b) connect by pipe link (5.2).

3. falling proof device according to claim 1, it is characterized in that: its crossbeam (3) bottom is provided with shackle (7).