CN201785162U

CN201785162U - Pull pole hoist for arc gird

Info

Publication number: CN201785162U
Application number: CN2010205231724U
Authority: CN
Inventors: 李汇; 储勤洲; 陈俊堂; 赵青杰
Original assignee: China No15 Metallurgical Construction Co Ltd
Current assignee: China No15 Metallurgical Construction Co Ltd
Priority date: 2010-09-09
Filing date: 2010-09-09
Publication date: 2011-04-06
Anticipated expiration: 2020-09-09

Abstract

The utility model relates to an improvement of a steel structure construction hoisting machine, and particularly discloses a pull pole hoist for an arc gird. The pull pole hoist comprises a pull pole and a pulley block; the pulley block is connected with a cantilever plate of the pull pole through a connecting plate; a hook is also connected with the lower end of the pulley block; a hoisting rope of the pull pole hoist is connected with a coiling drum of a hoisting machine through the pulley block and a coil of a bend pulley; and the hoisting machine is anchored on a foundation through wire cables. The pull pole hoist is characterized in that the pull pole comprises a vertical post, an upper sealing plate, a lower closing plate, an upper wire cable, a lower wire cable, the cantilever plate, a supporting plate and the bend pulley; the sealing plates are welded at the upper and lower ends of the vertical post; the lower sealing plate is arranged on a base and anchored on the foundation through the lower wire cable; the vertical post is also provided with the supporting plate; the bend pulley is connected with the end part of the supporting plate; wire cable attaching lugs are welded at four corners of an upper end plate; and four wire cables are also connected with the four corners and respectively anchored on the foundation in four different directions. The pull pole hoist solves various problems during the arc grid construction hoisting, and is mainly used for the improvement of the steel structure construction hoisting machine.

Description

A kind of arch rack construction dead man loop wheel machine

(1). technical field: the utility model relates to the transformation of Construction of Steel Structure lifting facility, especially a kind of arch rack construction dead man loop wheel machine.

(2). background technology: the prior art of large-scale arch rack Construction of Steel Structure lifting is: A. high altitude bulk method: set up full shop scaffold on construction ground and carry out the component assembly construction; B. high-altitude sliding method: on slide rail, set up and movably assemble the fetal membrane frame and carry out mobile assembling construction; C: lift method: the arch rack that will assemble completion utilizes the installation that raises of hoisting crane or hydraulic lifting machine; The problem that above-mentioned construction method exists is: high-altitude method or high-altitude sliding method need be set up a large amount of scaffolds and construct, and have the high-altitude constructing operation, the construction cost height, and potential safety hazard is big, the difficult control of construction quality; Though lift method is at ground construction, the large-scale lifting appliance that needs more than two carries out work simultaneously, and the equipment construction occupancy expenses is higher.

(3). summary of the invention: the purpose of this utility model is exactly will solve the quality control on construction difficulty, the construction safety hidden danger that exist in the arch rack construction hoisting to reach the high problem of construction cost greatly, and a kind of arch rack construction dead man loop wheel machine is provided.

Concrete scheme of the present utility model is: a kind of arch rack construction dead man loop wheel machine, it has dead man and assembly pulley, described assembly pulley has fixed pulley and movable pulley, fixed pulley utilizes two connecting panels to be connected with the cantilever slab of dead man, movable pulley is connected with fixed pulley by the winding of hoisting cable, also is connected with suspension hook in the lower end of movable pulley; One end of described hoisting cable is captiveed joint with fixed pulley, and the other end of steel rope is connected with the reel of elevator unit through the winding of movable pulley, fixed pulley and changed course pulley, and described elevator unit utilizes wirerope and ground anchoring; It is characterized in that: described dead man by montant, up and down shrouding, go up wirerope, wirerope, cantilever slab, back plate and changed course pulley are formed down, described montant is to adopt rectangular tube or solid drawn pipe to make, two ends up and down at montant are welded with shrouding, the lower seal panel seat stands on the basis, and utilization is located at down following wirerope and ground anchoring near the montant in shrouding upper end, the symmetrical limit of wirerope also is provided with back plate under montant, is connected with the changed course pulley in the end of back plate; Four corners of described upper head plate are welded with the wirerope attaching lug, are connected with four on four attaching lugs

Last wirerope and towards four different directions respectively with the ground anchoring.

Principle of work of the present utility model is: the montant utilization of dead man loop wheel machine wirerope and ground anchoring up and down, the motor of elevator unit subtracts complete machine and drives the reel rotation, hoisting cable on the reel is under the effect of the tangential pulling force of reel, hoisting cable is promoting the hook lifting motion through the winding of changed course pulley, movable and fixed pulley group, realizes the workpiece lifting on the suspension hook.

The utility model is applied in the arch rack construction hoisting, and four dead man loop wheel machines are installed at the construction field (site), and four dead man loop wheel machines are along arch rack axis arranged in length and breadth, and with loop wheel machine wirerope and ground anchoring up and down; The arch rack is assembly unit completion one joint on the ground, and the arch rack that the dead man loop wheel machine will complete raises one section, realizes the sectional making of arch rack construction, the construction method of lifting and the whole installation that raises piecemeal; The utility model is through practice test, show have easy to operate, safe and reliable, steady quality, the duration is short and characteristics such as with low cost; The utility model quality control on construction difficulty, construction safety hidden danger that arch rack construction hoisting exists of having deblocked preferably reaches the high problem of construction cost greatly; The utility model also can be used for

Other large-scale steel structure construction hoisting engineering.

(4). description of drawings:

Fig. 1: the utility model structural representation;

Fig. 2: application note is arranged the scheme drawing 1(segmental hoisting stage);

Fig. 3: application note arranges that scheme drawing 2(integral body attaches together the stage);

Among the figure: 1-upward wirerope, 2-following wirerope, 3-up and down shroudings, 4-cantilever slab, 5-connecting panel, 6-fixed pulley, 7-movable pulley, 8-suspension hook, 9-montant, 10-back plate, 11-changed course pulley, 12-hoisting cable, 13-elevator unit, 14-dead man, 15-arch rack column, 16-rack pull bar, 17-completion rack, 18--pre-installs rack.

(5). the specific embodiment:

Embodiment (seeing Fig. 1 for details): a kind of arch rack construction dead man loop wheel machine, it has dead man 14 and assembly pulley, described assembly pulley has fixed pulley 6 and movable pulley 7, fixed pulley utilizes two connecting panels 5 to be connected with the cantilever slab 4 of dead man 14, movable pulley 7 is connected with fixed pulley 6 by the winding of hoisting cable 12, also is connected with suspension hook 8 in the lower end of movable pulley 7; One end of described hoisting cable 12 is captiveed joint with fixed pulley, the other end of steel rope is connected with the reel of elevator unit 13 through the winding of movable pulley 7, fixed pulley 6 and changed course pulley 11, described elevator unit 13 usefulness wireropes and ground anchoring, elevator unit 13 hoisting capacities in the present embodiment are five tons; Particularly: described dead man 14 by montant 9, up and down shrouding 3, go up wirerope 1, wirerope 2, cantilever slab 4, back plate 10 and changed course pulley 11 are formed down, described montant 9 is to adopt rectangular tube or solid drawn pipe to make, present embodiment is to adopt rectangular tube, its specification is the 325*325(millimeter), thickness is the 10(millimeter), bar length is 15.9 (rice); Two ends up and down at montant 9 are welded with shrouding 3,3 of following shroudings stand on the basis, and utilize the following wirerope 2 and ground anchoring that is located at down near the montant in shrouding upper end, and also be provided with back plate 10 on the symmetrical limit of 9 times wireropes of montant, be connected with changed course pulley 11 in the end of back plate 10; Four corners of described upper head plate 3 are welded with the wirerope attaching lug, are connected with four wireropes 1 and towards four on four attaching lugs

Different directions respectively with the ground anchoring.

Application note (sees Fig. 2 for details, Fig. 3): the utility model is applied to certain thermal power plant's coal bunker arch rack construction hoisting engineering, four dead man 14 loop wheel machines are installed at the construction field (site), four dead man 14 loop wheel machines are installed the axis symmetric arrangement along the arch rack, the suspension hook of four loop wheel machines is fastened four suspension centres of completion arch rack 17 respectively, and will encircle rack 17 and rise to suitable height and carry out assembling construction, treat prepackage arch rack and completion encircle the rack assembly unit be connected finish after, four loop wheel machines lift by crane synchronously, the arch rack of integral body completion is increased to setting height(from bottom), the arch rack is connected with four rack columns 15, has finished the lifting work of arch rack.

Claims

1. an arch rack is constructed and is used the dead man loop wheel machine, it has dead man and assembly pulley, described assembly pulley has fixed pulley and movable pulley, fixed pulley utilizes two connecting panels to be connected with the cantilever slab of dead man, movable pulley is connected with fixed pulley by the winding of hoisting cable, also is connected with suspension hook in the lower end of movable pulley; One end of described hoisting cable is captiveed joint with fixed pulley, and the other end of steel rope is connected with the reel of elevator unit through the winding of movable pulley, fixed pulley and changed course pulley, and described elevator unit utilizes wirerope and ground anchoring; It is characterized in that: described dead man by montant, up and down shrouding, go up wirerope, wirerope, cantilever slab, back plate and changed course pulley are formed down, described montant is to adopt rectangular tube or solid drawn pipe to make, two ends up and down at montant are welded with shrouding, the lower seal panel seat stands on the basis, and utilization is located at down following wirerope and ground anchoring near the montant in shrouding upper end, the symmetrical limit of wirerope also is provided with back plate under montant, is connected with the changed course pulley in the end of back plate; Four corners of described upper head plate are welded with the wirerope attaching lug, on four attaching lugs, be connected with four wireropes and towards four different directions respectively with the ground anchoring.