CN109896407B

CN109896407B - CLTS gray bus protection method for crane beam replacement

Info

Publication number: CN109896407B
Application number: CN201711288486.3A
Authority: CN
Inventors: 张健
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2022-07-22
Anticipated expiration: 2037-12-07
Also published as: CN109896407A

Abstract

The invention relates to the field of support of cables or protective pipes, in particular to a method for protecting a CLTS Gray bus for replacing a crane beam. A protection method of a CLTS Gray bus for replacing a crane beam is characterized by comprising the following steps: the method is implemented in sequence as follows: firstly, preparing; separating; thirdly, hoisting; replacement; fifthly, repacking; and sixthly, dismantling. The invention has good protectiveness, shortens the construction period, and is safe and reliable.

Description

CLTS gray bus protection method for crane beam replacement

Technical Field

The invention relates to the field of support of cables or protective tubes, in particular to a method for protecting a CLTS Gray bus for replacing a crane beam.

Background

The Gray bus positioning system is a mature displacement detection and data communication sensor, the positioning accuracy can reach 5mm, and the Gray bus positioning system is particularly suitable for detecting the displacement of a large vehicle with an uneven track or an annular motion machine and is applied to industries such as metallurgy, ports, mines, electric power, coal, chemical engineering and the like.

CLTS, named as cane Location Track System, is an omnidirectional intelligent travelling Crane Gray bus positioning System designed according to the management requirements of travelling Crane, and is applied more at present. As part of steel plant workshops are built by themselves and put into operation for nearly 30 years, the workshops are mostly important production lines, the used crane tonnage is large, the crane tonnage is frequent in operation, and the crane girders are cracked and must be replaced after being used for many years under high strength. However, the Gray bus is fixed on the rail of the crane beam, the total length is 300-400 m, and the cable cannot be disconnected due to aging and the structural characteristics of the cable, so that great influence is brought to the replacement of the crane beam; in addition, the Gray bus has a large number of cores, the Gray bus is distributed in the cable in a wave form in an intercrossing manner, and if the Gray bus is not properly operated during dismounting, storing and mounting, the core is easily broken, so that the whole system fails, the whole cable needs to be replaced, and huge economic loss is caused.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a safe and reliable cable protection method with good protection performance and shortened construction period, and discloses a method for protecting a CLTS Gray bus for replacing a crane beam.

The invention achieves the purpose by the following technical scheme:

the utility model provides a protection method for CLTS gray generating line that crane beam changed, the fixed factory building stand perpendicularly in the factory building, crane beam erects on the factory building stand horizontally, and each fixed one row of railing in both sides of crane beam top guidance tape, gray generating line are fixed on the railing, and the factory building crossbeam erects directly over crane beam, characterized by: the method is implemented in sequence as follows:

firstly, preparing: at least three lifting appliance hanging frames are fixed on a plant cross beam, the lifting appliance hanging frames are arranged on the plant cross beam in a spanning mode, two sides of each lifting appliance hanging frame are respectively arranged on the outer sides of two sides of the plant cross beam, at least three lifting appliance hanging frames are arranged right above each section of crane beam, one lifting appliance is respectively fixed on two sides of each lifting appliance hanging frame, the lifting end of each lifting appliance is tied to a railing, safety ropes are arranged on the lifting appliance hanging frames along the whole length of the plant cross beam, and safety belts are tied and hung on the safety ropes;

separating: disconnecting a Gray bus of the CLTS system from the wiring terminal box, and cutting and separating the railing from the crane beam from a column foot at the bottom of the railing;

lifting: lifting the whole section of the railing and the gray bus fixed on the railing by using a lifting appliance;

replacement: hanging out the old crane beam by using a lifting hook, and replacing the new crane beam;

fifthly, reloading: a constructor uses a lifting appliance to simultaneously lower the whole section of the railing and the gray bus fixed on the railing onto a walkway plate of a replaced crane beam, a welder re-welds a column base at the bottom of the railing onto the replaced crane beam, and the electrician re-connects the gray bus and a wiring terminal box of the CLTS system;

detaching: and (5) dismantling the hanger, the hanger and the safety rope.

The protection method of the CLTS gray bus for replacing the crane beam is characterized by comprising the following steps:

the method comprises the following steps that firstly, a hanger comprises a hanger cross rod, hanger pressing plates, hanger gaskets, hanger bolts, hanger hanging rods, safety rope fixing holes, hanger hook rods and hanger hooks, the two ends of the top surface of the hanger cross rod are respectively provided with the hanger pressing plates, the hanger gaskets are lined between the hanger cross rod and the hanger pressing plates, the hanger bolts are sequentially connected with the hanger pressing plates, the hanger gaskets and the hanger cross rod, the hanger hanging rods are fixed in the middle of the bottom surfaces of the hanger cross rod, the safety rope fixing holes are formed in the hanger hanging rods, the hanger hook rods are respectively fixed at the two ends of the bottom surfaces of the hanger cross rod, and the hanger hooks are fixed at the bottoms of the hanger hook rods; the hanger is clamped at two sides of a cross beam of the workshop through a notch formed by a hanger cross rod and a hanger pressing plate, and the safety rope penetrates through a safety rope fixing hole on the hanger rod;

the lifting appliance is a chain block.

The steel plant is an important production line, and the stop production brings great economic loss in one day.

The invention has the following beneficial effects:

the problem that the construction period is long when the CLTS gray bus is detached and installed on the travelling beam is solved;

the problem of self-safety of the cable caused by the fact that the CLTS Gray bus is firstly disassembled and then installed after being used for a long time is solved;

the problem of the protection of CLTS gray generating line when the crane beam is changing is solved.

Drawings

FIG. 1 is a front view of the present invention prior to hoisting;

FIG. 2 is a left side view of the present invention prior to hoisting;

FIG. 3 is a front view of the present invention at the time of replacement;

FIG. 4 is a left side view of the present invention at the time of replacement;

fig. 5 is a schematic structural view of the hanger rack of the present invention.

Detailed Description

The invention is further illustrated by the following specific examples.

Example 1

The utility model provides a protection method for CLTS gray generating line that crane beam changed, fixed factory building stand 8 perpendicularly in the factory building, crane beam 7 erects on factory building stand 8 horizontally, and the both sides of 7 top walkways boards of crane beam are respectively fixed one row of railing 5, and gray generating line 6 is fixed on railing 5, and factory building crossbeam 2 erects directly over crane beam 7, and factory building crossbeam 2 is long and high 24m and 2m respectively, implements in proper order as follows:

firstly, preparing: at least three lifting appliance hanging frames 1 are fixed on a plant crossbeam 2, the lifting appliance hanging frames 1 are arranged on the plant crossbeam 2 in a spanning manner, two sides of each lifting appliance hanging frame 1 are respectively arranged at the outer sides of two sides of the plant crossbeam 2, at least three lifting appliance hanging frames 1 are arranged right above each section of crane beam 7, two holes are respectively formed in two sides of each lifting appliance hanging frame 1, a lifting appliance 3 is respectively fixed in each hole, the lifting end of each lifting appliance 3 is tied on a railing 5, a safety rope 4 is arranged on each lifting appliance hanging frame 1 along the whole length of the plant crossbeam 2, and a safety belt 11 is tied and hung on each safety rope 4;

in this embodiment: the hanger rack 1 is shown in fig. 5: the hanger 1 comprises a hanger cross bar 11, a hanger pressing plate 12, hanger gaskets 13, hanger bolts 14, hanger suspenders 15, safety rope fixing holes 16, hanger hook rods 17 and hanger hooks 18, wherein the two ends of the top surface of the hanger cross bar 11 are respectively provided with the hanger pressing plate 12, the hanger gaskets 13 are lined between the hanger cross bar 11 and the hanger pressing plate 12, the hanger bolts 14 are sequentially connected with the hanger pressing plate 12, the hanger gaskets 13 and the hanger cross bar 11, the hanger suspenders 15 are fixed at the middle part of the bottom surface of the hanger cross bar 11, the safety rope fixing holes 16 are arranged on the hanger suspenders 15, the two ends of the bottom surface of the hanger cross bar 11 are respectively fixed with the hanger hook rods 17, and the hanger hooks 18 are fixed at the bottoms of the hanger hook rods 17; the hanger 1 is clamped at two sides of the plant crossbeam 2 through a notch formed by a hanger cross rod 11 and a hanger pressure plate 12, and the safety rope 4 penetrates through a safety rope fixing hole 16 on a hanger 15;

the lifting appliance (3) is a chain block.

The preparation step is completed before annual repair;

separating: as shown in fig. 1 and 2: an electrician disconnects a Gray bus 6 of the CLTS system from the interior of a wiring terminal box, and a gas cutter cuts and separates the railing 5 from the crane beam 7 from a column foot at the bottom of the railing 5;

thirdly, hoisting: a constructor uses a lifting appliance 3 to simultaneously lift the whole railing 5 and the gray bus 6 fixed on the railing 5;

replacement: as shown in fig. 3 and 4: the old crane beam 7 is lifted out by the lifting hook 10, and a new crane beam 7 is replaced;

fifthly, reloading: a constructor simultaneously lowers the whole railing 5 and the gray bus 6 fixed on the railing 5 onto a walkway plate of a replaced crane beam 7 by using a lifting appliance 3, a welder re-welds a column base at the bottom of the railing 5 onto the replaced crane beam 7, and an electrician re-connects the gray bus 6 and a wiring terminal box of the CLTS system;

detaching: and (4) detaching the hanger rack 1, the hanger 3 and the safety rope 4.

The necessary security measures for this embodiment are as follows:

the hanger rack 1 is welded in full;

the lower part of the hanger rack 1 is provided with a fixed rod for fixing a safety rope 4, the safety rope 4 must be arranged along the whole length of the axis of the whole plant crossbeam 2 before construction, and the selection of the safety rope 4 must meet the relevant specifications of the state and enterprises;

before construction operation, all constructors are subjected to construction intersection in the whole process;

before construction, each safety measure must be implemented in place, and the safety department of the project department checks and accepts the product;

during the lifting and descending process, a specially-assigned person is set to use an interphone and a loudspeaker to conduct, and the lifting and descending process needs to be carried out slowly and stably, and a constructor needs to stand between the two railings;

the constructor on the crane beam must tie the safety belt.

Claims

1. The utility model provides a protection method for CLTS gray generating line that crane beam changed, fixed factory building stand (8) perpendicularly in the factory building, crane beam (7) set up on factory building stand (8) horizontally, and one row of railing (5) are respectively fixed to the both sides of pavement board are walked at crane beam (7) top, and gray generating line (6) are fixed on railing (5), and factory building crossbeam (2) set up directly over crane beam (7), characterized by: the method is implemented in sequence as follows:

preparing: at least three lifting appliance hanging racks (1) are fixed on a plant cross beam (2), the lifting appliance hanging racks (1) are arranged on the plant cross beam (2) in a spanning mode, two sides of each lifting appliance hanging rack (1) are respectively arranged on the outer sides of two sides of the plant cross beam (2), at least three lifting appliance hanging racks (1) are arranged right above each section of crane beam (7), lifting appliances (3) are respectively fixed on two sides of each lifting appliance hanging rack (1), the lifting ends of the lifting appliances (3) are tied on handrails (5), safety ropes (4) are arranged on the lifting appliance hanging racks (1) along the whole length of the plant cross beam (2), and safety belts (11) are tied and hung on the safety ropes (4);

the hanger (1) comprises a hanger cross rod (11), hanger pressing plates (12), hanger gaskets (13), hanger bolts (14), hanger hanging rods (15), safety rope fixing holes (16), hanger hanging hook rods (17) and hanger hanging hooks (18), wherein the two ends of the top surface of the hanger cross rod (11) are respectively provided with the hanger pressing plates (12), the hanger gaskets (13) are lined between the hanger cross rod (11) and the hanger pressing plates (12), the hanger bolts (14) are sequentially connected with the hanger pressing plates (12), the hanger gaskets (13) and the hanger cross rod (11), the hanger hanging rods (15) are fixed in the middle of the bottom surface of the hanger cross rod (11), the safety rope fixing holes (16) are formed in the hanger hanging rods (15), the two ends of the bottom surface of the hanger cross rod (11) are respectively fixed with one hanger hanging hook rod (17), and the hanger hanging hooks (18) are fixed at the bottoms of the hanger hanging hook rods (17); the hanger (1) is clamped at two sides of a plant cross beam (2) through a notch formed by a hanger cross rod (11) and a hanger pressing plate (12), and the safety rope (4) penetrates through a safety rope fixing hole (16) on a hanger rod (15);

the lifting appliance (3) adopts a chain block;

separating: the Gray bus (6) of the CLTS system is disconnected from the wiring terminal box, and the railing (5) is cut and separated from the crane beam (7) from the column foot at the bottom of the railing (5);

lifting: lifting the whole section of the railing (5) and the gray bus (6) fixed on the railing (5) by using a lifting appliance (3) simultaneously;

replacement: the old crane beam (7) is lifted by the lifting hook (10) and the new crane beam (7) is replaced;

fifthly, reloading: a constructor simultaneously descends the whole railing (5) and the gray bus (6) fixed on the railing (5) to a walkway plate of a replaced crane beam (7) by using a lifting appliance (3), a welder re-welds a column base at the bottom of the railing (5) on the replaced crane beam (7), and the electrician re-connects the gray bus (6) and a wiring terminal box of the CLTS system;

detaching: and (4) detaching the hanger rack (1), the hanger (3) and the safety rope (4).