CN113511360A - Automatic bundling method for I-steel on site - Google Patents

Abstract

The invention relates to the technical field of building construction, and discloses an automatic bundling method for an I-steel site, which comprises the following steps: s01: preparing an I-steel bundling machine; s02: placing the fixing frame on the top of the I-steel group to be bundled, and winding the I-steel group by using a steel wire rope to enable the I-steel group to be positioned in the surrounding section; s03: applying force to the rotating roller to strain and shorten the surrounding section so as to shape the I-steel group; s04: bundling steel bars are adopted to be bundled along the periphery of the I-shaped steel group, and two ends of the bundling steel bars are lapped and welded together to complete the field bundling of the I-shaped steel group. The I-steel group is fixed below the I-steel bundling device through a specially designed fixing frame of the I-steel bundling device, the I-steel group is prevented from moving before bundling, the steel wire rope is tensioned through applying force to the rotating roller, then the I-steel group is bundled and welded firmly along the tensioned steel wire rope by adopting the steel bar, and therefore the I-steel group is bundled and formed, and the effects of simplicity and convenience in bundling operation, ordered material stacking and safety in field hoisting are achieved.

Description

Automatic bundling method for I-steel on site

Technical Field

The invention relates to the technical field of building construction, in particular to an automatic bundling method for an I-steel site.

Background

When a construction platform is built on a construction site, a large amount of I-shaped steel materials are needed. The I-steel is mechanically and automatically packed and bundled after being processed and produced by a factory and is transported to a construction site for use. In the use process, the disassembled I-shaped steel is intensively stacked on the site, and the storage yard is messy after long-time use. When a certain construction part needs to use I-steel, scattered I-steel is usually bound or stacked on a hanger by using a steel wire rope temporarily, and the I-steel is transported by adopting a hoisting method. Due to the temporary loose binding, if the hoisting operation is careless, the I-steel is easy to slide or fall off, which often causes the accidents of hurting people.

Disclosure of Invention

The invention aims to provide an automatic field I-steel bundling method, and aims to solve the problem that potential safety hazards exist in the field I-steel hoisting in the prior art.

The invention is realized in this way, the automatic bundling method of the I-steel field, including the following steps:

s01: preparing an I-steel bundling machine; the I-steel bundling device comprises a fixing frame, a rotating rolling shaft and a steel wire rope, wherein the rotating rolling shaft is arranged on the fixing frame, two ends of the steel wire rope are connected with the rotating rolling shaft, and the middle part of the steel wire rope is enclosed to form an encircling section encircling an I-steel group;

s02: placing the fixing frame at the top of the I-steel group to be bundled, and winding the I-steel group by using the steel wire rope so that the I-steel group is positioned in the surrounding section;

s03: applying force to the rotating roller to tighten and shorten the surrounding section so as to shape the I-shaped steel group;

s04: bundling steel bars are adopted to be bundled along the periphery of the I-shaped steel group, and two ends of the bundling steel bars are overlapped and welded together to complete the field bundling of the I-shaped steel group.

Optionally, in step S01, the fixing frame includes two frame strips arranged in parallel, the rotating roller is disposed between the two frame strips, a through hole is disposed on the rotating roller, and two ends of the steel wire rope are inserted into the through hole.

Optionally, the manufacturing of the fixing frame includes the following steps: (1) the frame body is made of angle steel, and triangular wedges are cut on the same side of the angle steel at the positions which are set to be away from two ends of the angle steel respectively; (2) bending the angle steel at the triangular wedge-shaped position by a set angle to form the frame body in trapezoidal arrangement; (3) and welding the two frame bodies at the bent part of the triangular wedge shape by adopting connecting steel bars.

Optionally, the rotating roller includes a rotating main shaft, sleeves and steel pipe clamping grooves, the two sleeves are respectively and fixedly connected to the two frame strips, two ends of the rotating main shaft are respectively inserted into the two sleeves, and the two steel pipe clamping grooves are respectively fixed at two ends of the rotating main shaft; when the steel pipe clamping groove rotates, the rotating main shaft rotates in the sleeve.

Optionally, in step S03, a clamping groove is formed in the steel pipe clamping groove, a crowbar with a certain length is selected, the crowbar is inserted into the clamping groove, the crowbar is perpendicular to the longitudinal direction of the i-steel assembly, and the crowbar applies force from top to bottom to drive the rotating main shaft to rotate, and the steel wire rope is gradually tensioned on the rotating main shaft.

Optionally, two crowbars are adopted at two ends, the clamping grooves are sequentially and alternately applied with force, the crowbars cannot rotate until the crowbars at the two ends, and the I-shaped steel groups are mutually compressed and compacted.

Optionally, the length of the steel wire rope is not less than the sum of the perimeter of the cross section of the i-steel group and twice the perimeter of the cross section of the rotating main shaft.

Optionally, two ends of the steel wire rope respectively penetrate into the through holes, and are led out from the steel pipe clamping groove and fixed.

Optionally, in step S04, the bundling steel bar is knocked to be close to the i-steel assembly, and the bundling steel bar is wound around the i-steel assembly for one turn and then is overlapped together, wherein the overlapping length is not less than 15 cm.

Optionally, spot welding is adopted to weld the bundling steel bars at the lap joints of the bundling steel bars, and the i-steel assembly is fixed to finish bundling of the i-steel assembly; and after bundling is finished, reversely applying force to loosen the steel wire rope, dismantling the I-steel bundling device, and moving to the next position for bundling.

Compared with the prior art, the method for automatically bundling the I-steel on site provided by the invention has the advantages that the I-steel group is shaped through the specially designed I-steel bundling device, the I-steel group is fixed below the I-steel group through the fixing frame, the I-steel group is prevented from moving before being bundled, the steel wire rope is tensioned through applying force to the rotating roller, then the I-steel group is bundled and welded firmly along the tensioned steel wire rope by adopting the steel bar, so that the I-steel group is bundled and formed, and the effects of simplicity and convenience in bundling operation, ordered material stacking and safety in site hoisting are achieved.

The automatic on-site H-shaped steel bundling method provided by the invention has the following beneficial effects:

(1) the bundling device is simple to manufacture, the I-steel bundling device is simple in structural design and convenient to manufacture, and workers only need to weld and process steel on a construction site.

(2) Convenient operation, when on-the-spot bundle dress, the workman utilizes the crowbar manual regulation to rotate the taut wire rope of roller bearing and can accomplish the design of I-steel group, and convenient subsequent bundling, labour saving and time saving, simple operation.

(3) The use cost is low, when the I-steel bundling device is operated on site, the requirement can be met by only 2 persons, the I-steel bundling device can be repeatedly used, and the comprehensive cost of manufacturing and using the I-steel bundling device is low.

Drawings

FIG. 1 is a schematic flow chart of an automatic field I-steel bundling method provided by the invention;

FIG. 2 is a perspective view of an I-steel binder according to the present invention;

FIG. 3 is a schematic perspective view of the H-steel bundling machine provided by the present invention for shaping the H-steel group;

FIG. 4 is a perspective view of a fixing frame of an embodiment of the H-steel movable bundling machine provided by the invention;

FIG. 5 is a schematic cross-sectional view of a through-hole of an I-steel binder provided by the present invention;

fig. 6 is a schematic view of a fixing member of a wire rope end of an i-steel binder provided by the present invention.

Description of reference numerals:

100-a fixed frame, 110-a frame strip, 111-a pressing strip, 1111-a first pressing strip, 1112-a second pressing strip, 1113-an elastic positioning piece, 112-a protection strip, 120-a connecting steel bar, 130-a pressing plate, 131-a transverse sliding groove and 1311-a concave part;

200-rotating roller, 210-rotating main shaft, 211-perforation, 212-protective sleeve, 2121-sleeve body, 2122-sleeve head, 2123-cushion layer, 2124-annular concave platform, 220-sleeve, 230-steel pipe clamping groove and 231-clamping groove;

300-a steel wire rope, 310-a fixing piece, 311-a semi-ring body, 3111-an arc-shaped groove, 3112-a bulge and 312-a locking piece;

400-I-steel group; 500-cushion block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-6, preferred embodiments of the present invention are shown.

The method for automatically bundling the I-steel on site is characterized by comprising the following steps of:

s01: preparing an I-steel bundling machine; the I-steel bundling device comprises a fixing frame 100, a rotating roller 200 and a steel wire rope 300, wherein the rotating roller 200 is installed on the fixing frame 100, two ends of the steel wire rope 300 are connected with the rotating roller 200, and the middle part of the steel wire rope 300 is enclosed to form an encircling section encircling the I-steel group 400;

s02: placing the fixing frame 100 on the top of an I-steel group 400 to be bundled, and winding the I-steel group 400 by using a steel wire rope 300 to enable the I-steel group 400 to be positioned in a surrounding section;

s03: applying force to the rotating roller 200 to tighten and shorten the surrounding section, so that the I-steel group 400 is shaped;

s04: bundling steel bars are adopted to be bundled along the periphery of the I-steel group 400, and two ends of the bundling steel bars are lapped and welded together to complete the field bundling of the I-steel group 400.

According to the automatic bundling method for the I-steel on-site provided by the embodiment, the I-steel group 400 is shaped through the specially designed I-steel bundling device, the I-steel group 400 is fixed below the fixing frame 100, the I-steel group 400 is prevented from moving before being bundled, the steel wire rope 300 is tensioned through applying force to the rotating roller 200, then the I-steel group 400 is bundled and welded firmly along the tensioned steel wire rope 300 by adopting the steel bar, so that the I-steel group 400 is bundled and formed, and the effects of simplicity and convenience in bundling operation, ordered material stacking and safe on-site hoisting are achieved.

The steel wire rope 300 is a spiral steel wire bundle in which steel wires having mechanical properties and geometric dimensions meeting requirements are twisted together according to a certain rule, and the steel wire rope 300 is composed of steel wires, a rope core and lubricating grease. The wire rope 300 is a spiral rope formed by twisting a plurality of steel wires into strands, and then twisting the strands around a core. In a material handling machine for lifting, pulling, tensioning and carrying.

The H-shaped steel bundling device can be manufactured on a construction site according to an applicable object and specification thereof, and is suitable for bundling square and rectangular materials on the construction site, including H-shaped steel, square steel, channel steel, U-shaped steel, square wood and the like.

In step S01, a special i-steel binder is first manufactured or an existing i-steel binder is used, the i-steel binder includes a fixing frame 100, a rotating roller 200 and a steel wire rope 300, the fixing frame 100 includes two parallel frame bars 110, the rotating roller 200 is disposed between the two frame bars 110, the rotating roller 200 is provided with a through hole 211, and two ends of the steel wire rope 300 are inserted into the through hole 211.

For example, the size of the h-beam binder is, for example, 3 rows and 3 columns of I22a h-beams, i.e. 9 h-beams, and the size of the I22a h-beams: the waist height (h) is 220mm, and the leg width (b) is 110 mm; the bundling circumference is 1980mm (220 × 6+110 × 6 ═ 1980 mm). When the device is used on the actual site, the size of the I-steel bundling device can be adjusted according to the specification and variety of steel to be bundled.

Specifically, the frame strip 110 of the fixing frame 100 includes a pressing strip 111 arranged horizontally and a protection strip 112 arranged at two ends of the pressing strip 111, the protection strip 112 and the pressing strip 111 form a trapezoidal opening structure, and an included angle between the protection strip 112 and the pressing strip 111 is not less than 90 °. The guard bar 112 and the bead 111 may be integrally formed, or the guard body may be attached to both ends of the bead 111. The protective strips 112 are arranged at two ends of the pressing strip 111 in an opening mode, so that a plurality of I-shaped steel beams are easily gathered in the area below the pressing strip 111, and the I-shaped steel beam group 400 is conveniently shaped and packaged.

The protective strip 112 can be fixed at two ends of the pressing strip 111, or can be hinged with the end of the pressing strip 111, so that the angle between the protective strip 112 and the pressing strip 111 can be adjusted to meet the requirements of different occasions, at the moment, the protective strip 112 and the pressing strip 111 can be in a damping rotation connection mode, the requirement for adjusting the angle between the protective strip 112 and the pressing strip can be met, the protective strip 112 can be kept at any angle, and the operation is convenient.

The two parallel frame bars 110 are fixedly connected by a connecting bar, for example, by welding the connecting bar 120, and two ends of the connecting bar 120 are fixedly connected with the two frame bars 110, so that the fixing frame 100 is more stable.

The fixing frame 100 of the h-beam binder can be formed by welding angle steel and reinforcing steel bars.

The manufacturing of the fixing frame 100 comprises the following steps: (1) the frame body is made of angle steel, and triangular wedges are cut on the same side of the angle steel at the positions away from two ends of the angle steel by set distances respectively; (2) bending the angle steel at a triangular wedge-shaped position by a set angle to form a ladder-shaped arranged frame body; (3) and welding the two frame bodies at the triangular wedge-shaped bent part by adopting reinforcing steel bars.

For example, the angle steel of the fixing frame 100 is equal angle steel with a specification of L56 mm (side length) × 3mm (thickness), and the angle steel is cut into a triangular wedge shape at two end positions; for example, a single angle steel is 970mm long (220 × 3+10+150 × 2: 970mm), and is cut into a triangular wedge shape at a distance of 150mm from both ends of the angle steel on the same side of the angle steel.

Then, the angle steel is bent 45 degrees from the triangular wedge by a steel bending machine to form a trapezoidal opening structure of the frame strip 110.

Adopt the reinforcing bar again with the angle steel after two buckles in the welding of triangle wedge department of buckling, the angle steel after two buckles is parallel and the direction setting that deviates from mutually, and the reinforcing bar of mount 100 can select for use the scattered round steel of job site or screw-thread steel, and single reinforcing bar length is not less than 450 mm. So that the two frame strips 110 are firmly connected and the bending part of the frame strip 110 is not easy to deform.

The main functions of the fixing frame 100 are:

(1) and fixing the I-shaped steel. The trapezoidal external structure of the bundling fixing frame 100 can fix the i-steel group 400 below the bundling fixing frame 100, so that the i-steel is prevented from moving before bundling.

(2) The rotating roller 200 is coupled and fixed. During manufacturing, the rotating roller 200 is welded on the angle steel of the bundling frame.

Optionally, the fixing frame 100 further includes a horizontally disposed pressing plate 130, the pressing plate 130 is provided with a horizontal sliding slot 131, the pressing bar 111 includes a first pressing bar 1111 and a second pressing bar 1112, the first pressing bar 1111 and the second pressing bar 1112 are disposed opposite to each other, and the first pressing bar 1111 and the second pressing bar 1112 slide telescopically relative to the horizontal sliding slot 131. In the sliding process, the distance between the first pressing strip 1111 and the second pressing strip 1112 is changed, so that the forming and bundling device can adapt to the forming and bundling of I-steel with different specifications and different groups.

Optionally, a plurality of recesses 1311 are disposed on a groove wall of the transverse sliding groove 131, an elastic positioning member 1113 is disposed on a side wall of the pressing strip 111, the elastic positioning member 1113 includes a positioning head and an elastic member, such as a spring, a leaf spring, etc., disposed on the pressing strip 111, the positioning head is connected to the elastic member, and the positioning head is matched with the recesses 1311. The positioning head can be hemispherical, and the concave part 1311 is also hemispherical; in the non-positioning state, the elastic positioning member 1113 is compressed and abuts against the groove wall of the transverse sliding groove 131; when the positioning head slides to the positioning position, the positioning head is abutted against the concave part 1311 under the action of the elastic piece, so that positioning is realized, and a certain locking function is realized. When a large force is applied to the pressing strip 111 towards the two sides or the middle, the concave part 1311 extrudes the positioning head, so that the elastic positioning piece 1113 is compressed, and can slide in the transverse sliding groove 131 again, the specification of the fixing frame 100 is well adjusted, and meanwhile, a certain locking function is realized at each specification position, and deviation and dislocation are avoided. A spring is further arranged between the first pressing strip 1111 and the second pressing strip 1112, when the elastic positioning piece 1113 is positioned in the concave part 1311, the spring is in a stretching or compressing state, and at the moment, the first pressing strip 1111 and the second pressing strip 1112 are in a stress state, so that the transverse sliding grooves 131 of the first pressing strip 1111 and the second pressing strip 1112 are more stable and are not easy to shake or deflect.

The rotating roller 200 comprises a rotating main shaft 210, sleeves 220 and steel pipe clamping grooves 230, the two sleeves 220 are respectively and fixedly connected to the two frame strips 110, two ends of the rotating main shaft 210 are respectively arranged in the two sleeves 220 in a penetrating manner, and the two steel pipe clamping grooves 230 are respectively fixed at two ends of the rotating main shaft 210; when the steel pipe catching groove 230 rotates, the rotating main shaft 210 rotates in the sleeve 220.

For example, the rotating main shaft 210 is a seamless steel pipe with a specification of phi 48 × 3mm (outer diameter 48mm, thickness 3mm), and a through hole 211 with a diameter of 7mm (slightly larger than the diameter of the steel wire rope 300 and capable of penetrating the steel wire rope 300) is reserved on the steel pipe; the diameter of the sleeve 220 is larger than that of the rotating main shaft 210, and a steel pipe with the diameter of 54 mm multiplied by 3mm can be adopted to ensure that the rotating main shaft 210 can rotate in the sleeve 220; the steel pipe slots 230 at the two ends of the rotating main shaft 210 are also made of phi 54 x 3mm steel pipes, and a crowbar is inserted into the steel pipe slots 230 to apply force to the rotating roller 200.

The manufacturing and mounting steps of the rotary roller 200 are as follows: the rotating main shaft 210 is sleeved into the sleeve 220, and then the steel pipe clamping grooves 230 are welded to two ends of the rotating main shaft 210, so that an integral structure capable of rotating in the sleeve 220 is formed. Finally, the sleeve 220 is welded with the angle steel of the fixing frame 100.

The main functions of the rotating roller 200 are:

(1) the wire rope 300 is fixed. During manufacturing, the bundling steel wire rope 300 is inserted into the hole reserved in the rotating main shaft 210, and two ends of the steel wire rope 300 are fixed in the steel pipe clamping grooves 230.

(2) The wire rope 300 is rotated to perform bundling. When the steel wire rope tightening device is used, a crowbar is used for extending into the clamping groove 231 to rotate the rolling shaft 200, and the crowbar is driven to be fixed on the steel wire rope 300 to tighten the steel wire rope until the I-steel assembly 400 is tightly bound.

Optionally, the rotation of the rotating roller 200 is driven by a motor, for example, a fixed gear is fixed on the outer side of the pipe wall of the steel pipe clamping groove 230, a driving gear is arranged on the rotating shaft of the motor, and the driving gear is engaged with the fixed gear, or the driving gear is in transmission connection with the fixed gear through a transmission gear set. When the motor rotates, the driving gear rotates to drive the fixed gear to rotate, so that the rotating roller 200 rotates to tighten or loosen the steel wire rope 300. For example, the motor is fixed between the frame bars 110 of the fixing frame 100, the rotating roller 200 is driven to rotate by the driving gear connected to the rotating shaft, and the steel wire rope 300 can be tightened or loosened by controlling the forward rotation or the reverse rotation of the motor, so that the i-steel assembly 400 can be automatically shaped and bound.

Optionally, a protective sleeve 212 is disposed at the through hole 211 of the rotating roller 200, the protective sleeve 212 includes a hollow sleeve body 2121 and hollow sleeve heads 2122 disposed at two ends of the sleeve body 2121, an outer side wall of the sleeve body 2121 abuts against an inner side wall of the through hole 211, an outer diameter of the hollow sleeve head 2122 is larger than a diameter of the through hole 211, and the steel wire rope 300 is inserted into the hollow portion of the protective sleeve 212. The steel wire rope 300 is prevented from being in direct contact with the through holes 211, so that the through holes 211 or the steel wire rope 300 are seriously abraded, and the through holes 211 are protected. After the protective sleeve 212 is worn, the protective sleeve 212 may be replaced without having to discard the entire h-section steel field automatic binder.

Preferably, a cushion 2123 is arranged on the inner side wall of the sleeve body 2121, a plurality of annular grooves are arranged on the inner side wall of the sleeve body 2121, and the annular grooves are arranged around the inner side wall of the sleeve body 2121; the outer side wall of the cushion layer 2123 is provided with a plurality of annular bulges, and the annular bulges are matched with the annular grooves. The cushion 2123 can be made of soft materials such as rubber, silica gel, synthetic rubber and the like, so that the abrasion to the steel wire rope 300 is reduced. The cooperation of the annular groove and the annular protrusion makes the pad 2123 less likely to fall off from the through hole 211.

Or, an inner thread is provided on the inner side wall of the cover body 2121, an outer thread is provided on the outer side wall of the cushion layer 2123, and the cushion layer 2123 is connected to the cover body 2121 through a thread.

Or, a multi-stage annular concave 2124 is provided on the inner sidewall of the sleeve body 2121, and the diameter of the multi-stage annular concave 2124 gradually decreases from the inner side to the outer side of the through hole 211; correspondingly, the outer side wall of the cushion layer 2123 is provided with a plurality of stages of annular bosses, and the diameter of the multistage annular bosses is reduced from inside to outside. The stepped structure makes the cushion 2123 easy to exert force on the inner side wall of the sleeve 2121 and is less susceptible to falling off by the steel wire rope 300.

In step S02, the fixing frame 100 is placed on top of the i-section bundle 400 to be bundled, and the i-section bundle 400 is wound with the wire rope 300 such that the i-section bundle 400 is positioned within the surrounding section.

Firstly, the I-steel group 400 to be bundled is stacked on a flat and solid field, and for the convenience of bundling, a cushion block 500 is arranged at the bottom of the I-steel group 400 in a stacking mode, and the cushion block 500 can be made of square wood with a flat surface, so that the steel wire rope 300 can be wound on the I-steel group 400 conveniently.

When the I-steel groups 400 are stacked, I-steels with the same model and specification and the same length are generally selected and bundled, and the I-steel groups 400 are orderly stacked into a rectangle according to the specification of the I-steel bundling device on site.

Then, when the h-steel binder is placed, the h-steel binder is laid flat on the top layer of the h-steel group 400.

Finally, the steel wire rope 300 is wound by one circle from the bottom layer to be sleeved on the I-shaped steel group 400 to be bundled, and bundling preparation is completed.

In step S03, a slot 231 is formed in the steel pipe slot 230, a crowbar of a certain length is selected, the crowbar is inserted into the slot 231, the crowbar is perpendicular to the longitudinal direction of the i-steel assembly 400, the crowbar is forced from top to bottom to drive the rotating main shaft 210 to rotate, and the steel wire rope 300 is gradually tensioned on the rotating main shaft 210.

Optionally, two crowbars are adopted to apply force in turn in the clamping grooves 231 at the two ends in turn until the crowbars at the two ends cannot rotate and the i-steel groups 400 are compacted and compacted.

For example: firstly, a crowbar with proper length and convenient force application is selected, and round steel with the diameter of 25mm and the length of about 1.2m can be used for manufacturing the crowbar on a construction site.

Then, a crowbar is inserted into the steel pipe slot 230, perpendicular to the longitudinal direction of the i-steel, and a force is applied from top to bottom to drive the rotating roller 200 to rotate, so that the steel wire rope 300 is gradually tensioned on the rotating roller 200.

Because the diameter of the steel pipe clamping groove 230 is small, the rotatable stroke of the crowbar is limited, when the rolling shaft 200 is rotated manually, two crowbars are adopted to apply force in turn and alternately in the clamping grooves 231 at the two ends, specifically, the crowbar 1 is rotated until the crowbar 1 cannot rotate, and the crowbar 1 is left in the clamping groove 231 at the end; meanwhile, a crowbar 2 is inserted into the other end of the steel pipe clamping groove 230 and is turned to be incapable of rotating, and the crowbar 2 is left in the clamping groove 231 at the other end; and repeating the steps until the crowbars at the two ends cannot rotate and the I-beams are mutually compacted, namely the I-beams are tightly bound.

And the steel wire rope 300 and the I-steel group 400 are tapped by an iron hammer to eliminate gaps between the I-steels, so that the I-steels are tightly attached and tightly bundled.

For the wire rope 300 of the i-steel binder, the length of the wire rope 300 is not less than the sum of the circumference of the cross section of the i-steel bundle 400 and twice the circumference of the cross section of the rotating main shaft 210.

For example, a wire rope 300 having a diameter of 6mm is used, and the length of the wire rope 300 is not less than the sum of the perimeter (1980mm) of 3 rows and 3 columns of I22a h-beams bundled and twice the perimeter of the cross section of the rotating main shaft 210, so as to ensure that the wire rope 300 can completely rotate around the rotating main shaft 210 for two turns when the I-beam group 400 is shaped. The length of the wire rope 300 in this embodiment is calculated to be not shorter than 2282mm (1980+ π × 48 × 2 ≈ 2282 mm).

Two ends of the steel wire rope 300 are respectively inserted into the through holes 211, and are led out from the steel pipe clamping grooves 230 and fixed.

The steel wire rope 300 is mainly used for shaping the I-steel group 400, the I-steels are mutually compacted and compacted through the steel wire rope 300, and the I-steel group 400 is convenient to weld and fix by using bundled steel bars after being shaped.

Optionally, the two ends of the steel wire rope 300 are provided with fixing members 310, the diameter of the fixing members 310 is greater than that of the through holes 211, each fixing member 310 includes two semi-ring bodies 311 arranged oppositely and a locking member 312 arranged outside the semi-ring body 311, the semi-ring bodies 311 are arranged annularly, the outer circumference of the semi-ring body 311 is smaller than half of the outer circumference thereof, and the inner circumference of the semi-ring body 311 is smaller than half of the inner circumference thereof, so that the two semi-ring bodies 311 fully extrude the steel wire rope 300 surrounded by the semi-ring bodies, and the steel wire rope 300 is prevented from being extruded and fixed insufficiently due to mutual interference of the two semi-ring bodies 311; the inner side of the half-ring body 311 is provided with an arc-shaped groove 3111, the steel wire rope 300 is arranged in the arc-shaped grooves 3111 of the two half-ring bodies 311, and a plurality of protrusions 3112 are arranged on the wall of the arc-shaped groove 3111; the outer side wall of the semi-ring body 311 is provided with external threads, the inner side wall of the locking part 312 is provided with internal threads, and the external threads and the internal threads are matched with each other; when the locking member 312 is screwed to the outer sidewall of the half-ring 311, the boss 3112 in the arc-shaped groove 3111 is tightly pressed or inserted into the wire rope 300, thereby fixing the end of the wire rope 300. Since the diameter of the fixing member 310 is larger than that of the through hole 211, it is ensured that the wire rope 300 is not pulled out from the through hole 211.

After the I-steel group 400 is tightly compacted, the compaction state of the crowbar is always kept fixed, a binding reinforcing steel bar, such as round steel with the diameter of phi 8mm, is adopted to be wound and bound along the periphery of the bundled I-steel group 400, and the binding reinforcing steel bar is knocked to be tightly attached to the I-steel; the bundling steel bar is lapped together after being wound by 400 circles of the I-steel group, and the lapping length is not less than 15cm, so that the bundling effect is ensured.

And welding the bundling steel bars at the lap joint of the bundling steel bars by adopting spot welding, thereby fixing the I-steel assembly 400 and finishing bundling of the I-steel assembly 400. At least 3 welding points are arranged in the lap joint length of the bundling reinforcing steel bar, wherein 2 welding points are respectively positioned at two ends of the lap joint length, and another welding point is arranged in the middle of the lap joint length. Therefore, the lap joint firmness of the bundled steel bars can be ensured, and potential safety hazards caused by insufficient lap joint strength and the like due to desoldering are avoided.

After bundling is finished, reverse force is applied to loosen the steel wire rope 300, the I-steel bundling device is disassembled, and the steel wire rope is moved to the next position for bundling. In order to prevent H-shaped steel from scattering in the hoisting or transportation process, the H-shaped steel groups 400 with the length smaller than 6m are bundled at the head and the tail, the H-shaped steel groups 400 with the length of 6-9 m are bundled at the head, the tail and the middle of the H-shaped steel groups 400 with the length of 9-12 m, and four bundling positions are arranged at the head, the tail and the middle of the H-shaped steel groups 400.

The I-steel field automatic bundling method provided by the invention shapes the I-steel group 400 through the specially designed I-steel bundling device, wherein the I-steel group 400 is fixed below the I-steel group 400 through the fixing frame 100, the I-steel group 400 is prevented from moving before being bundled, the steel wire rope 300 is tensioned through applying force to the rotating roller 200, and then the I-steel group 400 is bundled and welded firmly along the tensioned steel wire rope 300 by adopting the steel bar, so that the I-steel group 400 is bundled and molded, and the effects of simple bundling operation, ordered material stacking and safe field hoisting are achieved.

The automatic on-site H-shaped steel bundling method provided by the invention has the following beneficial effects:

(4) the bundling device is simple to manufacture, the I-steel bundling device is simple in structural design and convenient to manufacture, and workers only need to weld and process steel on a construction site.

(5) Convenient operation, when on-the-spot bundle dress, the workman utilizes crowbar manual regulation to rotate the taut wire rope 300 of roller bearing 200 and can accomplish the design of I-steel group 400, convenient subsequent bundle of beating, labour saving and time saving, simple operation.

(6) The use cost is low, when the I-steel bundling device is operated on site, the requirement can be met by only 2 persons, the I-steel bundling device can be repeatedly used, and the comprehensive cost of manufacturing and using the I-steel bundling device is low.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The method for automatically bundling the I-steel on site is characterized by comprising the following steps of:

s01: preparing an I-steel bundling machine; the I-steel bundling device comprises a fixing frame, a rotating rolling shaft and a steel wire rope, wherein the rotating rolling shaft is arranged on the fixing frame, two ends of the steel wire rope are connected with the rotating rolling shaft, and the middle part of the steel wire rope is enclosed to form an encircling section encircling an I-steel group;

s02: placing the fixing frame at the top of the I-steel group to be bundled, and winding the I-steel group by using the steel wire rope so that the I-steel group is positioned in the surrounding section;

s03: applying force to the rotating roller to tighten and shorten the surrounding section so as to shape the I-shaped steel group;

s04: bundling steel bars are adopted to be bundled along the periphery of the I-shaped steel group, and two ends of the bundling steel bars are overlapped and welded together to complete the field bundling of the I-shaped steel group.

2. The method for automatically bundling i-steel in situ according to claim 1, wherein in step S01, the fixing frame comprises two frame strips arranged in parallel, the rotating roller is disposed between the two frame strips, the rotating roller is provided with a through hole, and two ends of the steel wire rope are inserted into the through hole.

3. The automatic field bundling method for the I-steel according to claim 2, characterized in that the manufacturing of the fixing frame comprises the following steps: (1) the frame body is made of angle steel, and triangular wedges are cut on the same side of the angle steel at the positions which are set to be away from two ends of the angle steel respectively; (2) bending the angle steel at the triangular wedge-shaped position by a set angle to form the frame body in trapezoidal arrangement; (3) and welding the two frame bodies at the bent part of the triangular wedge shape by adopting connecting steel bars.

4. The method for automatically bundling i-steel in situ according to claim 2, wherein the rotating roller comprises a rotating main shaft, sleeves and steel pipe clamping grooves, the two sleeves are fixedly connected to the two frame strips respectively, two ends of the rotating main shaft are respectively arranged in the two sleeves in a penetrating manner, and the two steel pipe clamping grooves are respectively fixed at two ends of the rotating main shaft; when the steel pipe clamping groove rotates, the rotating main shaft rotates in the sleeve.

5. The method for automatically bundling i-steel in situ according to claim 4, wherein in step S03, a slot is formed on the steel tube slot, a crowbar with a certain length is selected and inserted into the slot, the crowbar is perpendicular to the longitudinal direction of the i-steel group, the crowbar is forced from top to bottom to drive the rotating main shaft to rotate, and the steel cable is gradually tensioned on the rotating main shaft.

6. The method for automatically bundling the I-steel on site according to claim 5, wherein two crowbars are used to alternately apply force to the slots at two ends in sequence until the crowbars at two ends cannot rotate and the I-steel groups are compacted and compacted.

7. The method for automatically bundling i-steel in situ according to claim 2, wherein the length of the steel wire rope is not less than the sum of the perimeter of the cross section of the i-steel group and twice the perimeter of the cross section of the rotating main shaft.

8. The automatic field bundling method for the h-steel according to claim 7, characterized in that two ends of the steel wire rope are respectively inserted into the through holes, and are led out from the steel pipe clamping grooves and fixed.

9. The method for automatically bundling i-beams in situ according to any one of claims 1-8, wherein in step S04, the bundling reinforcement bars are knocked to be close to the i-beam assembly, and the bundling reinforcement bars are wound around the i-beam assembly for one turn and then overlapped together, and the overlapping length is not less than 15 cm.

10. The automatic field bundling method for the h-steel according to claim 9, characterized in that spot welding is adopted to weld the bundling steel bars at the lap joints of the bundling steel bars, the h-steel group is fixed, and the h-steel group bundling is completed; and after bundling is finished, reversely applying force to loosen the steel wire rope, dismantling the I-steel bundling device, and moving to the next position for bundling.

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