CN218708531U

CN218708531U - Safety device for lifting and unhooking section steel column

Info

Publication number: CN218708531U
Application number: CN202223147341.0U
Authority: CN
Inventors: 张邦桥; 李兴; 杨洋
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-03-24
Anticipated expiration: 2032-11-27

Abstract

The utility model discloses a safety device for hoisting and unhooking a section steel column, which comprises a safety rope, a rope threading device arranged at the top of the section steel column and a rope collecting device arranged on a floor, wherein one end of the safety rope can slide relatively to pass through the rope threading device for being connected with an operator, and the other end of the safety rope is connected with the rope collecting device; the rope retracting device comprises a falling protector and a mounting seat, the falling protector is fixedly mounted on a floor slab through the mounting seat, and the falling protector can automatically complete the retraction of a safety rope and has a differential self-locking function; the rope threading device arranged at the top of the section steel column can provide a hanging point for the safety rope, the falling protector can realize automatic winding and unwinding of the safety rope along with the up-and-down movement of an operator, and the falling protector has a differential self-locking function, so that the rope winding device can lock the safety rope when the operator accidentally slips off, and the safety of the operator is ensured; in addition, simple structure, simple to operate can improve the efficiency of construction.

Description

Safety device for lifting and unhooking section steel column

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to a safety device that is used for shaped steel post hoist and mount unhook.

Background

The steel column is one of steel structures, and is made of steel materials, and the section steel column is arranged in a support column of a building, so that the structural strength of the support column can be effectively enhanced, and the steel column can be widely applied to the fields of large-scale plants, venues, super high-rise buildings and the like.

In the construction process of the steel column, the installation of the section steel column is generally completed in a hoisting mode, during hoisting, a through hole or a temporary lifting lug is arranged at one end of the section steel column, and then the hoisting operation of the section steel column is completed through tools such as a tower crane or a truck crane. However, after the section steel column is completely lifted and installed, the hook of a tool such as a tower crane needs to be unhooked (i.e., the sling is separated from the section steel column), and then the next section steel column needs to be lifted. Because section steel post is great higher usually, the mode that present unhook mode generally supplies the operation personnel to go up to the top of section steel post and accomplish the unhook operation through setting up scaffold frame or interim cat ladder around the section steel post, and such mode can consume a large amount of manpower and material resources, also has the demand to the place simultaneously, if the section steel post of high-rise building corner position department is good installs scaffold frame etc. owing to be high altitude construction, lacks corresponding safety guarantee measure simultaneously. Therefore, a safety device for lifting and unhooking the section steel column is needed, and the safety of operators can be effectively guaranteed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a safety device for shaped steel post hoist and mount unhook aims at effectively guaranteeing during high altitude unhook operation operating personnel's safety.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device for hoisting and unhooking a section steel column comprises a safety rope, a rope penetrating device and a rope collecting device, wherein the rope penetrating device is arranged at the top of the section steel column, the rope collecting device is arranged on a floor, one end of the safety rope can relatively slide and penetrates through the rope penetrating device to be connected with an operator, and the other end of the safety rope is connected with the rope collecting device; the rope winding device comprises a safety hook and a mounting seat, the safety hook is fixedly mounted on a floor slab through the mounting seat, and the safety hook can automatically complete the winding and unwinding of the safety rope and has a differential self-locking function.

Further, the mount pad includes the supporting seat and is used for with floor fixed connection's base, the rotatable installation of supporting seat is on this base, the safety hook is installed on this supporting seat.

Furthermore, the supporting seat comprises a supporting column, the supporting column is installed on the base, and a rolling bearing is arranged at the position where the supporting column is connected with the base.

Furthermore, the supporting seat also comprises a supporting plate and two connecting plates, wherein the supporting plate and the two connecting plates are fixedly connected to the upper end of the supporting column; the falling protector is positioned between the two connecting plates and is rotationally connected with the two connecting plates.

Further, a threaded sleeve used for connecting the base is arranged on the floor slab, and the base is in threaded connection with the threaded sleeve.

Further, the rope threading device comprises a rope threading ring, a vertically arranged connecting shaft and a fixing seat fixedly mounted at the top of the section steel column, the lower end of the connecting shaft is fixedly connected with the rope threading ring, and the upper end of the connecting shaft is rotatably connected with the fixing seat.

Further, the section steel column is an H-shaped section steel column, and the rope threading device is installed on a web plate of the H-shaped section steel column.

Furthermore, a plurality of protruding columns are respectively arranged on the two wing plates of the H-shaped section steel column at equal intervals outwards along the direction perpendicular to the end faces of the wing plates.

The safety rope is connected with the rope collecting device, and the safety rope is connected with the rope collecting device.

The construction method for unhooking the section steel column by adopting the safety device comprises the following steps:

s1: correspondingly installing the rope collecting device and the rope penetrating device on the floor slab and the section steel column;

s2: when the section steel column is hoisted and installed, the safety rope penetrates through the rope threading device to be hoisted together with the section steel column;

s3: after the section steel column is hoisted, installed and fixed, an operator directly climbs to the top through a raised column on the section steel column to complete unhooking operation;

s4: and (4) after the unhooking operation is finished, taking down the safety rope, and starting the section steel installation and unhooking operation at the next position in the step (2).

Further, when the rope winding device is installed on the floor slab, the rope winding device is installed in a mode of embedding the threaded sleeve in advance.

The utility model discloses following beneficial effect has at least:

1. the rope threading device arranged at the top of the section steel column can provide a hanging point for the safety rope, the falling protector can realize automatic winding and unwinding of the safety rope along with the up-and-down movement of an operator, and the falling protector has a differential self-locking function, so that the rope winding device can lock the safety rope when the operator accidentally slips off, and the safety of the operator is ensured;

2. because the rope collecting device is installed on the floor, when the section steel column at the next or other positions is hoisted, the rope collecting device can be conveniently moved to the corresponding position, and the rope collecting device can be shared when the section steel column close to the rope collecting device is unhooked, so that the construction efficiency is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

FIG. 1 is a schematic view of the whole installation structure of the present invention

FIG. 2 is the schematic view of the installation structure of the rope winding device of the present invention

FIG. 3 is a schematic view of the installation structure of the rope threading device

Reference numerals: 1-a floor slab; 2-a rope retracting device; 201-a falling protector; 201 a-a shaft; 202-a support base; 202 a-support column; 202 b-a support plate; 202 c-connecting plate; 203-a base; 3-a rope threading device; 301-a reeving ring; 302-a connecting shaft; 303-a fixed seat; 4-section steel column; 5-a safety rope; 6-raised columns; 7-a hook; 8-a threaded sleeve; 9-bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to 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 for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art will understand the specific meaning of the terms according to specific situations.

Referring to fig. 1-3, a safety device for hoisting and unhooking a section steel column comprises a safety rope 5, a rope penetrating device 3 arranged at the top of a section steel column 4 and a rope retracting device 2 arranged on a floor slab 1, wherein one end of the safety rope 5 can relatively slide and penetrate through the rope penetrating device 3 for being connected with an operator, the relative sliding is not a fixed connection function, the rope penetrating device 3 is provided with An Zhuaidian for penetrating through the safety rope, the rope penetrating device 3 plays a role of a hanging point of the safety rope 5 and plays a steering role, similar to a fixed pulley, and a fixed pulley structure can be directly adopted, so that the description is omitted for the prior art; the other end of the safety rope 5 is connected with the rope winding device 2, the rope winding device 2 comprises a falling protector 201 and a mounting seat, the falling protector 201 is fixedly mounted on the floor slab 1 through the mounting seat, and the falling protector 201 can automatically complete the winding and unwinding of the safety rope 5 and has a differential self-locking function; the falling protector 201 is the prior art and can be directly purchased from the market, for example, a double-locking falling protector adopting an anti-ratchet double-disc braking structure is not described herein again; the safety rope 5 is a steel wire rope which is arranged on the falling protector 201, and has high strength and wear resistance;

the rope threading device 3 arranged at the top of the section steel column 4 can provide a hanging point for the safety rope 5, the falling protector 201 can realize automatic winding and unwinding of the safety rope 5 along with the up-and-down movement of an operator, and the falling protector 201 has a differential self-locking function, so that the rope winding device 2 can lock the safety rope 5 when the operator accidentally slips off, and the safety of the operator is ensured;

because the rope collecting device 2 is installed on the floor, when the section steel column at the next or other positions is hoisted, the rope collecting device 2 can be conveniently moved to the corresponding position, and the rope collecting device 2 can be shared when the section steel column 4 close to the place is unhooked, so that the construction efficiency is improved.

In this embodiment, the mounting seat includes a supporting seat 202 and a base 203 for fixedly connecting with the floor slab 1, the supporting seat 202 is rotatably mounted on the base 203, for example, the supporting seat is mounted by a bearing to realize relative rotation, and the falling protector 201 is mounted on the supporting seat 202; here, because the supporting seat 202 and the base 203 can rotate relatively, the falling protector 201 can rotate along with the supporting seat 202, the direction in which the safety rope at the rope-retracting end of the falling protector 201 is led out can be self-adapted to the installation of section steel columns at different positions, the working efficiency is improved, and the unhooking operation of section steel columns 4 at more positions is met.

In this embodiment, the supporting seat 202 includes a supporting column 202a, the supporting column 202a install in on the base 203, and the position that the supporting column 202a is connected with the base 203 is equipped with antifriction bearing, here for installing antifriction bearing, be formed with the bearing frame on the base 203, the bearing frame is formed on the bottom plate of base 203 below, antifriction bearing's outer lane and bearing frame fixed connection, antifriction bearing's inner circle and supporting column 202a fixed connection, in order to guarantee to connect firmly, can also set up bearing housing cover (not drawn in the figure) above the bearing frame, these are prior art, no longer describe here any more, through setting up antifriction bearing, can reduce rolling friction, the structure is reliable.

In this embodiment, the supporting seat 202 further includes a supporting plate 202b and two connecting plates 202c, which are fixedly connected to the upper end of the supporting pillar 202a, for example, by welding, the two connecting plates 202c are fixedly connected to the upper end surface of the supporting plate 202b in parallel; the falling protector 201 is positioned between the two connecting plates 202c and is rotationally connected with the two connecting plates 202 c; the rotary connection is realized by welding rotating shafts 201a on the left side surface and the right side surface of the falling protector 201, correspondingly arranging mounting holes on the two connecting plates 202c, and installing the rotating shafts 201a in the mounting holes in a clearance fit manner; two connecting plates 202c are arranged on two sides, so that the strength is high, and the safety and reliability are realized; the falling protector 201 can be rotatably connected, so that the elevation angle of the safety rope leading-out position of the falling protector 201 can be self-adapted to the installation positions of the rope penetrators 3 with different heights and positions, the safety rope can be prevented from being blocked when being collected and released, and the normal operation of operation and construction can be ensured.

In this embodiment, a threaded sleeve 8 for connecting the base 203 is provided on the floor slab 1, and the base 203 is in threaded connection with the threaded sleeve 8; here by means of bolts 9; the base 203 comprises a bottom plate, the bottom plate is of a circular structure, a plurality of mounting holes are uniformly distributed along the circumferential direction of the bottom plate, corresponding embedded threaded sleeves 8 are arranged on the floor slab, and the bottoms of the embedded threaded sleeves 8 are sealed, so that the threaded sleeves 8 can be prevented from being blocked when concrete is poured; through bolted connection, the structure is reliable, can install fast and dismantle, improves the efficiency of construction.

In this embodiment, the rope threading device 3 includes a rope threading ring 301, the rope threading ring 301 has a circular ring structure, a vertically arranged connecting shaft 302 and a fixing seat 303 fixedly installed on the top of the steel column, the lower end of the connecting shaft 302 is fixedly connected with the rope threading ring 302, and the fixed connection mentioned here can be realized by welding; the upper end of the connecting shaft 302 is rotatably connected with the fixed seat 303, wherein the rotatable connection is realized by penetrating the connecting shaft 302 through the fixed seat 303 but adopting a clearance fit mode; the rope threading ring 301 and the connecting shaft 302 can rotate together, and the structure can enable the safety rope to pass through the rope threading ring 301 and then be adaptive to the position of the rope collecting device 2 on the floor slab, so that the situation that the safety rope is blocked is avoided; due to the fact that the self-adaption is available, the same rope collecting device 2 can be used when the section steel columns 4 at multiple positions are unhooked, and construction efficiency is improved.

In this embodiment, the section steel column 4 is an H-shaped section steel column, and the rope threading device 3 is installed on a web of the H-shaped section steel column, where the fixing seat 303 of the rope threading device 3 is welded and fixed on the web; the web is generally not provided with other things, so that the arrangement is convenient.

In this embodiment, a plurality of protruding columns 6 are respectively and equally spaced outwards on two wing plates of the H-shaped section steel column, the outwards direction is a direction away from the web plate, the whole section steel column is fully distributed in the height direction, the protruding columns 6 may be rivets welded and fixed on the two wing plates, or reinforcing steel bars, and the protruding columns are arranged to enhance the bonding strength with the concrete of the floor slab supporting columns, so as to improve the structural strength of the whole supporting column; when the unhooking, the operation personnel can directly climb to the top along the protruding column 6 to carry out the unhooking operation, thereby avoiding setting up a scaffold or a ladder stand, and greatly reducing the investment of human and material resources.

In this embodiment, the safety rope take-up device further comprises a lifting hook 7, the lifting hook 7 is connected to one end, far away from the rope take-up device 2, of the safety rope 5, the lifting hook 7 is used for connecting a safety belt on an operator, the lifting hook connecting structure is reliable and convenient to detach, it needs to be noted that the inner ring of the rope threading ring 301 needs to ensure that the lifting hook 7 can pass through, and thus the safety rope 5 and the lifting hook 7 can be directly pulled down together after the unhooking operation of the operator is finished.

s1: the rope collecting device 2 and the rope threading device 3 are correspondingly arranged on the floor slab 1 and the section steel column 4, the rope collecting device 2 is fixedly connected with the floor slab 1 through bolts, the rope threading device 3 is connected to the section steel column 4 through welding, and after the hoisting and installation are completed, the rope threading device 3 can be directly buried in concrete when a floor slab supporting column is poured at the later stage without cutting treatment; it should be noted that when the installation position of the rope collecting device 2 rotates, the installation position should be selected as much as possible to be in the middle among the plurality of section steel columns, so that the same rope collecting device 2 can be ensured to complete unhooking operation of the plurality of section steel columns;

s2: when the section steel column 4 is hoisted and installed, a tower crane is adopted for hoisting, which is a conventional means and is not repeated here, and the safety rope 5 passes through the rope threading device 3 and is hoisted together with the section steel column, so that the safety rope does not need to climb up to be installed after hoisting is finished;

s3: after the section steel column 4 is hoisted, installed and fixed, an operator directly climbs to the top through the convex column 6 on the section steel column 4 to complete unhooking operation, and hooks the lifting hook 7 on the safety rope 5 onto a safety belt on the operator during climbing, so that a scaffold or a ladder can be avoided from being erected, manpower and material resources can be greatly reduced, the working efficiency is improved, and meanwhile, due to the safety installation device, the operation safety can be ensured;

s4: and (3) after the unhooking operation is finished, taking off the safety rope 5, directly pulling out the safety rope 5 from the rope threading ring 301, and starting the section steel installation and unhooking operation at the next position in the step (2).

In this embodiment, when receiving rope device 2 and floor 1 installation, install through pre-buried threaded sleeve 8's mode, threaded sleeve 8 is pre-buried when lower floor face is pour in floor 1, avoids the later stage trompil, has sufficient joint strength, guarantees safety.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention, which should be construed as being included in the present invention.

Claims

1. The utility model provides a safety device that is used for shaped steel post hoist and mount unhook which characterized in that: the safety rope device comprises a safety rope, a rope penetrating device arranged at the top of a section steel column and a rope collecting device arranged on a floor slab, wherein one end of the safety rope can relatively slide and penetrates through the rope penetrating device to be connected with an operator, and the other end of the safety rope is connected with the rope collecting device;

the rope winding device comprises a safety hook and a mounting seat, the safety hook is fixedly mounted on a floor slab through the mounting seat, and the safety hook can automatically complete the winding and unwinding of the safety rope and has a differential self-locking function.

2. The safety device for section steel column lifting unhooking according to claim 1, wherein: the mounting base comprises a supporting base and a base used for being fixedly connected with a floor slab, the supporting base is rotatably mounted on the base, and the falling protector is mounted on the supporting base.

3. The safety device for section steel column lifting unhooking according to claim 2, wherein: the supporting seat comprises a supporting column, the supporting column is installed on the base, and a rolling bearing is arranged at the position where the supporting column is connected with the base.

4. The safety device for section steel column lifting unhooking according to claim 3, wherein: the supporting seat further comprises a supporting plate and two connecting plates, the supporting plate is fixedly connected to the upper end of the supporting column, and the two connecting plates are fixedly connected to the upper end face of the supporting plate in parallel; the falling protector is positioned between the two connecting plates and is rotationally connected with the two connecting plates.

5. The safety device for section steel column lifting unhooking according to claim 2, wherein: and the floor is provided with a threaded sleeve for connecting the base, and the base is in threaded connection with the threaded sleeve.

6. The safety device for section steel column lifting unhooking according to claim 1, wherein: the rope threading device comprises a rope threading ring, a vertically arranged connecting shaft and a fixing seat fixedly installed at the top of the section steel column, the lower end of the connecting shaft is fixedly connected with the rope threading ring, and the upper end of the connecting shaft is rotatably connected with the fixing seat.

7. The safety device for section steel column lifting unhooking according to claim 6, wherein: the section steel column is an H-shaped section steel column, and the rope threading device is installed on a web plate of the H-shaped section steel column.

8. The safety device for section steel column lifting unhooking according to claim 7, wherein: and a plurality of protruding columns are respectively arranged outwards along the two wing plates of the H-shaped section steel column at equal intervals and perpendicular to the end surfaces of the wing plates.

9. The safety device for section steel column lifting unhooking according to claim 1, wherein: still include the lifting hook, the lifting hook connect in the safety rope keep away from the one end of receipts rope device, the lifting hook is used for being connected with the safety belt on the operating personnel body.