CN118255246A - Hoisting device for reinforcement cage - Google Patents

Abstract

The invention discloses a hoisting device for a reinforcement cage, which relates to the technical field of building construction and comprises a lifting rod; the bottom of the lifting rod is relatively rotatably provided with a reel, the reel is fixedly connected with the output end of the first motor, a first rope is wound on the reel, the bottom of the lifting rod is also provided with a fixed pulley, the first rope is wound on the fixed pulley, and the tail end of the first rope is provided with a hook; the lifting rod is driven to rise to a certain height through the driving device arranged on the crane, then the lifting rod is rotated to a certain angle, and in the rotating process, the first motor arranged on the lifting rod respectively drives the reel to rotate for paying off until the steel reinforcement cage is in a state vertical to the ground, and compared with the prior art, the lifting rod is connected with the steel reinforcement cage in a mode of connecting the hook and the steel reinforcement cage, the lifting rod is higher in stability.

Description

Hoisting device for reinforcement cage

Technical Field

The invention relates to the technical field of building construction, in particular to a hoisting device for a reinforcement cage.

Background

The construction of the capping beam reinforcement cage is an important procedure of bridge engineering, the capping beam reinforcement cage is mainly a reinforcement cage formed by welding main reinforcements and stirrups, the capping beam reinforcement cage is constructed according to the design shape of a bridge capping beam, is generally installed and transported to a designated bridge pier after being welded on a working place or the ground, is installed on the bridge pier, is provided with a template after being installed on the bridge pier, is poured with cement concrete, is finally condensed, and is the capping beam for supporting a road surface or a bridge deck above the bridge pier which is frequently seen by people.

After the reinforcement cage is welded, the reinforcement cage of the bent cap is required to be carried and hoisted, and the volume of the reinforcement cage of the bent cap is larger, so that a special tool is required to be used for hoisting in the hoisting process of the reinforcement cage of the bent cap; in the prior art, as disclosed in patent document with publication number CN206751173U, a steel reinforcement cage lifting device is synchronously disclosed, which comprises a lifting rod, a transverse frame rod and a sling device, wherein the transverse frame rod is arranged at the end part of the lifting rod, the number of the sling devices is multiple, the sling devices are arranged at different positions of the transverse frame rod, the sling device comprises a lifting rope, a lifting hook and a steel reinforcement lifting mechanism, and the lifting rope is connected with the transverse frame rod and the lifting hook; in the practical application process, the steel reinforcement cage is usually lifted by the crane in a straight line state, and then the steel reinforcement cage and the ground are required to be kept in a vertical state, however, in the prior art, the steel reinforcement cage is only hung by the crane, when the state of the steel reinforcement cage is changed, the phenomenon of unhooking easily occurs between the crane and the steel reinforcement cage, and the lifting is not stable enough.

Disclosure of Invention

The invention aims to provide a hoisting device for a reinforcement cage, which solves the following technical problems:

The steel reinforcement cage is hung by the lifting hook, when the state of the steel reinforcement cage is changed, unhooking phenomenon is easy to occur between the lifting hook and the steel reinforcement cage, and the lifting is not stable enough.

The aim of the invention can be achieved by the following technical scheme:

A hoisting device for a reinforcement cage comprises a lifting rod;

a reel is arranged at the bottom of the lifting rod in a relatively rotatable manner, the reel is fixedly connected with the output end of the first motor, a first rope is wound on the reel, a fixed pulley is also arranged at the bottom of the lifting rod, the first rope is wound on the fixed pulley, and hooks are arranged at the tail end of the first rope;

the positioning assembly is used for being clamped and fixed with the reinforcement cage, and is hung on the hook.

Preferably, the positioning assembly comprises two groups of oppositely arranged arc positioning plates, and the arc positioning plates on two sides are connected with a driving mechanism for driving the arc positioning plates to synchronously approach or separate towards the inner side.

Preferably, the arc-shaped positioning plate is uniformly provided with a plurality of groups of positioning grooves;

wherein, fixed cloth has first locating plate on constant head tank one side cell wall, and first locating plate and first arc cardboard fixed connection, slidable cloth has the second locating plate on the constant head tank opposite side cell wall, second locating plate and second arc cardboard fixed connection.

Preferably, the second positioning plate is connected with an adjusting mechanism for driving the second positioning plate to approach or depart from the first positioning plate.

Preferably, the adjusting mechanism comprises a positioning seat arranged on the arc-shaped positioning plate, a first screw rod is rotatably arranged on the positioning seat, and a first nut is spirally arranged on the first screw rod.

Preferably, the second locating plate is fixedly connected with a locating rod which is inserted into the groove wall of the locating groove in a sliding manner, the other end of the locating rod is fixedly connected with an arc-shaped strip, and the arc-shaped strip is fixedly arranged on the first nut.

Preferably, the driving mechanism comprises a driving box body, a second screw rod is rotatably arranged in the driving box body, and the second screw rod is fixedly connected with the output end of a second motor arranged on the outer side of the driving box body;

wherein, the second screw is provided with a second nut fixedly connected with the arc-shaped locating plate in a spiral sleeve manner.

Preferably, the driving box body is provided with first hanging rings oppositely, the first hanging rings at two sides are fixedly connected with the second hanging rings through second ropes respectively, and the second hanging rings are hung on the hooks.

Preferably, the tail end of the hook is rotatably provided with a limit strip, the tail end of the limit strip is provided with a positioning hole, and the starting end of the hook is provided with a clamping groove;

Wherein, the clamping groove wall is in sliding connection with a clamping rod which is in connection with the positioning hole, and a reset spring is arranged on the clamping rod.

The invention has the beneficial effects that:

(1) According to the invention, the lifting rod is driven to rise to a certain height through the driving equipment arranged on the crane, then the lifting rod is rotated to a certain angle, in the rotating process, the first motor positioned on the lifting rod respectively drives the reel to rotate for paying off until the reinforcement cage is in a state vertical to the ground, and compared with the prior art, the lifting rod is higher in stability and free from unhooking due to the fact that the positioning assembly which can be clamped and fixed with the reinforcement cage is arranged;

(2) According to the invention, after the second hanging ring is hung on the hook, the clamping rod is pulled to move towards the direction far away from the hook, so that the reset spring stretches to generate elasticity, then the limiting rod is rotated, the tail end of the limiting rod is embedded in the clamping groove, the clamping rod is loosened, the reset spring drives the clamping rod to be inserted into the positioning hole through elasticity to realize clamping and fixing, and further the phenomenon of unhooking between the hook and the second hanging ring can be avoided, and the stability is higher.

Drawings

The invention is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a hoisting device for a reinforcement cage according to the present invention;

fig. 2 is a schematic structural view II of a hoisting device for a reinforcement cage according to the present invention;

fig. 3 is a schematic structural view of a hoisting device for a reinforcement cage according to the present invention;

Fig. 4 is a schematic structural view of a hoisting device for a reinforcement cage according to the present invention;

Fig. 5 is a schematic structural view of an arc-shaped positioning plate in a hoisting device for a reinforcement cage according to the present invention;

fig. 6 is a schematic structural view II of an arc-shaped positioning plate in a hoisting device for a reinforcement cage according to the present invention;

fig. 7 is a schematic structural view of a hanger in a lifting device for a reinforcement cage according to the present invention.

In the figure: 1. a lifting rod; 2. a first motor; 3. a reel; 4. driving the box body; 5. an arc-shaped positioning plate; 6. a positioning seat; 201. a fixed pulley; 301. a first rope; 302. a hook; 303. the second hanging ring; 304. a second rope; 305. a first hanging ring; 306. a limit rod; 307. positioning holes; 308. a clamping rod; 309. a return spring; 310. a clamping groove; 311. a limit bar; 401. a second motor; 402. a second screw; 403. a second nut; 501. a positioning groove; 601. a first screw; 602. a handle; 603. a first nut; 604. an arc-shaped strip; 605. a positioning rod; 606. a second positioning plate; 607. a first positioning plate; 608. a first arc-shaped clamping plate; 609. and the second arc-shaped clamping plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-2, the invention is a hoisting device for a reinforcement cage, comprising a lifting rod 1; in one implementation of the present embodiment, the lifting rod 1 is connected to a driving device on the crane, which is used to drive the lifting rod 1 to rotate for angle adjustment or to lift for height adjustment;

A reel 3 is rotatably arranged at the bottom of the lifting rod 1, and the reel 3 is fixedly connected with the output end of the first motor 2, wherein the first rope 301 is wound on the reel 3;

The bottom of the lifting rod 1 is further provided with a fixed pulley 201, a first rope 301 is wound on the fixed pulley 201, and the tail end of the first rope 301 is provided with a hook 302; specifically, the position of the fixed pulley 201 is not limited by the lifting rod 1, and the distance between two sides can be enough to meet the length of the steel reinforcement cage to be lifted;

The positioning assembly is used for being clamped and fixed with the reinforcement cage and is hung on the hook 302; it can be stated that, first motor 2 synchronous drive reel 3 rotates through both sides at first for the unwrapping wire distance of the first rope 301 in both sides is unanimous, both sides locating component keeps in same level, then fix a position the steel reinforcement cage through locating component, rise to a take-up altitude through the actuating device drive lifting lever 1 who sets up on the crane, then rotatory lifting lever 1 to certain angle, at rotatory in-process, first motor 2 that is located lifting lever 1 is rotatory to carry out the unwrapping wire of drive reel 3 respectively, until the steel reinforcement cage be in with ground vertical state can, this embodiment can be with steel reinforcement cage chucking fixed locating component through laying, compared in the prior art adopts couple 302 and steel reinforcement cage's connected mode, stability is higher, the unhooking phenomenon can not appear.

Example 2

On the basis of embodiment 1, referring to fig. 3-4, the positioning assembly includes two sets of oppositely arranged arc positioning plates 5, and the arc positioning plates 5 on both sides are connected with a driving mechanism for driving the arc positioning plates to synchronously approach or separate toward the inner side; before clamping and fixing the reinforcement cage, the driving mechanism drives the arc-shaped positioning plates 5 at two sides to move towards two sides for a certain distance respectively, the reinforcement cage to be positioned is arranged between the arc-shaped positioning plates 5 at two sides, and then the driving mechanism drives the arc-shaped positioning plates 5 at two sides to move towards the inner sides respectively so as to be attached to the reinforcement cage to realize preliminary fixing;

In this embodiment, a plurality of groups of positioning slots 501 are uniformly formed on the arc-shaped positioning plate 5, wherein a first positioning plate 607 is fixedly arranged on the slot wall on one side of the positioning slot 501, the first positioning plate 607 is fixedly connected with a first arc-shaped clamping plate 608, a second positioning plate 606 is slidably arranged on the slot wall on the other side of the positioning slot 501, the second positioning plate 606 is fixedly connected with a second arc-shaped clamping plate 609, and the second positioning plate 606 is connected with an adjusting mechanism for driving the second positioning plate 606 to approach or separate towards the direction of the first positioning plate 607; it may be noted that, when the existing reinforcement cage adopts a cylindrical structure formed by binding reinforcement bars, and the arc positioning plate 5 is attached to the reinforcement cage, the second positioning plate 606 is driven by the adjusting mechanism to move towards the first positioning plate 607, so that the first arc clamping plate 608 and the second arc clamping plate 609 are clamped on the reinforcement bars, and the reinforcement cage is clamped and fixed; when the positioning device is disassembled, the second positioning plate 606 is only required to be driven by the adjusting mechanism to be separated from the first positioning plate 607;

Referring to fig. 5, the adjusting mechanism includes a positioning seat 6 disposed on the arc-shaped positioning plate 5, a first screw 601 is rotatably disposed on the positioning seat 6, a handle 602 is disposed at an end of the first screw 601, a first nut 603 is spirally disposed on the first screw 601, wherein a second positioning plate 606 is fixedly connected with a positioning rod 605 slidingly inserted on a groove wall of the positioning groove 501, the other end of the positioning rod 605 is fixedly connected with an arc-shaped strip 604, and the arc-shaped strip 604 is fixedly mounted on the first nut 603; it may be noted that, when the second positioning plate 606 is adjusted, the handle 602 rotates the first screw 601, and the first nut 603 drives the arc-shaped strip 604 to move during the process of moving on the first screw 601, and the arc-shaped strip 604 synchronously drives the second positioning plate 606 to move;

Referring to fig. 6, as an implementation manner of the present embodiment, the driving mechanism includes a driving box 4, a second screw 402 is rotatably disposed in the driving box 4, the second screw 402 is fixedly connected with an output end of a second motor 401 disposed outside the driving box 4, threads on two sides of the second screw 402 are opposite in rotation direction, and a second nut 403 fixedly connected with an arc positioning plate 5 is spirally sleeved on the second screw 402; it may be noted that, the second motor 401 is started to drive the second screw 402 to rotate, and the second nut 403 synchronously drives the arc-shaped positioning plate 5 to move in the process of moving on the second screw 402 so as to realize position adjustment;

The driving box body 4 is provided with a first hanging ring 305 relatively, the first hanging rings 305 at two sides are respectively fixedly connected with a second hanging ring 303 through a second rope 304, and the second hanging ring 303 is hung on the hook 302;

Referring to fig. 7, a limiting bar 311 is rotatably arranged at the tail end of the hook 302, a positioning hole 307 is formed at the tail end of the limiting bar 311, a clamping groove 310 is formed at the starting end of the hook 302, a clamping rod 308 which is inserted into the positioning hole 307 is arranged on the wall of the clamping groove 310 in a sliding insertion manner, and a return spring 309 is arranged on the clamping rod 308; it may be noted that, after the second hanging ring 303 is hung on the hook 302, the clamping rod 308 is pulled to move towards the direction away from the hook 302 at first, so that the reset spring 309 stretches to generate elastic force, then the limiting rod 306 is rotated, so that the tail end of the limiting rod 306 is embedded in the clamping groove 310, the clamping rod 308 is loosened, the reset spring 309 drives the clamping rod 308 to be inserted into the positioning hole 307 through elastic force to achieve clamping and fixing, and further the unhooking phenomenon between the hook 302 and the second hanging ring 303 can be avoided, and the stability is higher.

The working principle of the invention is as follows: firstly, the first motors 2 on two sides synchronously drive the reels 3 to rotate for preliminary paying-off, the paying-off distances of the first ropes 301 on two sides are consistent, the positioning components on two sides are kept at the same horizontal height, then, the arc positioning plates 5 on two sides are driven by the driving mechanism to respectively move towards two sides for a certain distance, the steel reinforcement cage to be positioned is placed between the arc positioning plates 5 on two sides, then, the arc positioning plates 5 on two sides are driven by the driving mechanism to respectively move towards the inner sides, further, preliminary fixing is realized by attaching the steel reinforcement cage, when the arc positioning plates 5 are attached to the steel reinforcement cage, the second positioning plates 606 are driven by the adjusting mechanism to move towards the direction of the first positioning plates 607, the first arc clamping plates 608 are clamped on the steel reinforcement, clamping fixation of the steel reinforcement cage is realized, the lifting rod 1 is driven by the driving device arranged on a crane to rise to a certain height, then, the lifting rod 1 is rotated to a certain angle, and in the rotating process, the first motors 2 on the lifting rod 1 respectively drive the reels 3 to rotate for paying-off until the steel reinforcement cage is in a state perpendicular to the ground.

In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (9)

1. A lifting device for a reinforcement cage, comprising a lifting rod (1);

The lifting device is characterized in that a reel (3) is arranged at the bottom of the lifting rod (1) in a relatively rotatable manner, the reel (3) is fixedly connected with the output end of the first motor (2), a first rope (301) is wound on the reel (3), a fixed pulley (201) is also arranged at the bottom of the lifting rod (1), the first rope (301) is wound on the fixed pulley (201), and a hook (302) is arranged at the tail end of the first rope (301);

the positioning assembly is hung on the hook (302) and is used for being clamped and fixed with the reinforcement cage.

2. Hoisting device for reinforcement cages according to claim 1, characterized in that the positioning assembly comprises two sets of oppositely arranged arc positioning plates (5), and the arc positioning plates (5) on both sides are connected with a driving mechanism for driving the arc positioning plates (5) towards the inner side synchronously.

3. The hoisting device for the reinforcement cage according to claim 2, wherein a plurality of groups of positioning grooves (501) are uniformly formed in the arc-shaped positioning plate (5);

Wherein, fixed cloth has first locating plate (607) on constant head tank (501) one side cell wall, and first locating plate (607) and first arc cardboard (608) fixed connection, slidable cloth has second locating plate (606) on constant head tank (501) opposite side cell wall, second locating plate (606) and second arc cardboard (609) fixed connection.

4. A lifting device for a reinforcement cage according to claim 3, characterized in that the second positioning plate (606) is connected to an adjusting mechanism which drives it towards or away from the first positioning plate (607).

5. The hoisting device for the reinforcement cage according to claim 4, wherein the adjusting mechanism comprises a positioning seat (6) arranged on the arc-shaped positioning plate (5), a first screw (601) is rotatably arranged on the positioning seat (6), and a first nut (603) is spirally arranged on the first screw (601).

6. The hoisting device for the reinforcement cage according to claim 5, wherein the second positioning plate (606) is fixedly connected with a positioning rod (605) which is slidably inserted into the wall of the positioning groove (501), the other end of the positioning rod (605) is fixedly connected with an arc-shaped strip (604), and the arc-shaped strip (604) is fixedly installed on the first nut (603).

7. The hoisting device for the reinforcement cage according to claim 2, wherein the driving mechanism comprises a driving box body (4), a second screw rod (402) is rotatably arranged in the driving box body (4), and the second screw rod (402) is fixedly connected with the output end of a second motor (401) arranged outside the driving box body (4);

Wherein, the second screw (402) is spirally sleeved with a second nut (403) fixedly connected with the arc-shaped locating plate (5).

8. The hoisting device for the reinforcement cage according to claim 7, wherein the driving box body (4) is provided with a first hoisting ring (305) relatively, the first hoisting rings (305) on two sides are fixedly connected with a second hoisting ring (303) through a second rope (304) respectively, and the second hoisting ring (303) is hung on the hook (302).

9. The hoisting device for the reinforcement cage according to claim 8, wherein the tail end of the hook (302) is rotatably provided with a limit bar (311), the tail end of the limit bar (311) is provided with a positioning hole (307), and the starting end of the hook (302) is provided with a clamping groove (310);

wherein, the slot wall of the slot (310) is in sliding connection with a clamping rod (308) which is in connection with the positioning hole (307), and a reset spring (309) is arranged on the clamping rod (308).