CN111824990A - Anti-collision system of building construction tower crane - Google Patents

Abstract

The invention discloses an anti-collision system of a building construction tower crane, wherein a detection sensor is arranged on the end surface of a front arm far away from a cockpit, the detection sensor is electrically connected with a central controller, a plurality of damping and buffering devices are arranged on the front side and the rear side of the front arm and the rear arm at equal intervals, each damping and buffering device comprises a plurality of fixing seats, the fixing seats are fixedly connected to the front side and the rear side of the front arm and the rear arm at equal intervals, a fixing block is fixedly connected to the end surface of the fixing seat far away from the front arm and the rear wall, auxiliary rods A are symmetrically arranged on the left side and the right side of the fixing block, and when the front arm or the rear wall is collided by external force, the damping and buffering devices can slow down the impact force when the two sides of the front arm and the rear wall are collided, play a role in damping, protect.

Description

Anti-collision system of building construction tower crane

Technical Field

The invention relates to the technical field of anti-collision of tower cranes, in particular to an anti-collision system of a tower crane for building construction.

Background

The tower crane is the most common hoisting equipment in the construction field, is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, has the function of bearing upper loads transmitted by a boom pull rope and a balance arm pull rope, and is directly transmitted to a tower body structure through a rotary tower, a rotary table, a bearing seat and other structural components. The self-elevating tower top is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type. The upper slewing tower crane is required to be provided with a balance weight, and the function of the upper slewing tower crane is to support the balance weight so as to form a balance moment which is required by design and has the action direction opposite to the lifting moment direction. In addition to the counterweight, a hoisting mechanism is often provided at the tail. The hoisting mechanism and the balance weight are arranged at the tail end of the balance arm together, so that partial balance weight function can be achieved, and the distance between the rope reel and the tower tip guide wheel is increased, so that the steel wire rope can be conveniently wound and rope disorder is avoided. The counter weight's quantity and the length of balance arm become the inverse relation, and have certain proportional relation again between balance arm length and the jib loading boom length, appear the condition that work area overlaps between the tower crane easily at construction site tower crane crowd during operation, appear the danger of collision easily, influence the normal work of loop wheel machine, appear dangerous condition, reduce work efficiency, for this we propose a construction tower loop wheel machine and prevent bumping the system.

Disclosure of Invention

The invention aims to provide an anti-collision system for a crane of a building construction tower, which aims to solve the problems that in the background technology, when a tower crane group works on a building construction site, the overlapping of working areas between tower cranes is easy to occur, the danger of collision is easy to occur, the normal work of the crane is influenced, the dangerous condition occurs, and the working efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a building construction tower crane prevents bumping system, includes the base, the upper end of base is equipped with the body of the tower, be equipped with the cockpit on the body of the tower, on the body of the tower and be equipped with the forearm in the top of cockpit, on the body of the tower and correspond the postbrachium that the position is equipped with opposite direction with the forearm, be equipped with the counter weight device on the postbrachium, be equipped with central controller device in the cockpit, the terminal surface that the cockpit was kept away from to the forearm is equipped with detection sensor, detection sensor electric connection central controller, the front and back both sides equidistance of forearm and postbrachium is equipped with a plurality of shock attenuation buffer, shock attenuation buffer includes a plurality of fixing bases, and a plurality of fixing base equidistance fixed connection is in the front and back both sides of forearm and postbrachium, the terminal surface fixedly connected with fixed block that forearm and postbrachium were kept away from to the fixing base, the, the two sides of the auxiliary rod A are symmetrically and rotatably connected with one end of a supporting rod A, the sliding block is connected with the fixed seat in a sliding manner, a damping cavity is arranged inside the sliding block, the fixed seat is connected in the damping cavity in a sliding manner, the left end and the right end of the sliding block are symmetrically and fixedly connected with a working frame, an auxiliary working block is connected in the working frame in a sliding manner, a compression spring A is connected between the auxiliary working block and the inner end surface of the working frame, which is far away from the fixed block, the other side of the damping cavity is connected with a lifting block in a sliding manner, the end surface of the lifting block, which is far away from the damping cavity, is fixedly connected with a damping plate, the left side and the right side of the damping plate are symmetrically provided with auxiliary rods B, the two sides of the auxiliary rods B are symmetrically and rotatably connected with one, the air holes are communicated with the damping cavity.

Preferably, the inner surface of the working frame is provided with a sliding groove, and the auxiliary working block is connected with the sliding groove in a sliding manner.

Preferably, the upper end and the lower end of the damping plate are provided with protection plates, and the protection plates are connected with the front arm or the rear arm in a sliding mode.

Preferably, the damping cavity is a rectangular damping cavity, the fixing block is a rectangular fixing block, and the lifting block is a rectangular lifting block.

Preferably, the damping cavity is symmetrically provided with limiting frames at the front side and the rear side, the limiting frames are respectively in sliding connection with the fixed block and the lifting block, the fixed block and the lifting block are opposite to each other, the end face of the fixed block is fixedly connected with a limiting plate, and the side walls of the limiting plates are both in sliding connection with the damping cavity.

Preferably, a plurality of compression springs B are equidistantly connected between the two limiting plates.

Preferably, the adjacent two protection plates are in sliding connection.

Compared with the prior art, the invention has the beneficial effects that: the utility model provides a system is prevented bumping by construction tower crane, detection sensor is located the front end of forearm, when detection sensor detects the barrier, detect signal transmission way central controller device in, central controller device makes whole stop work rotate, prevent that the tower crane from taking place mutual collision accident, when forearm or back wall receive the collision of external force simultaneously, when shock attenuation buffer can make the both sides of forearm and back wall receive the striking, slow down the impact force, play absorbing effect, protect forearm and back arm, prevent the emergence of accident.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the shock absorbing and cushioning device of the present invention;

FIG. 3 is a schematic top view of the shock absorbing and cushioning device without the protection plate according to the present invention;

FIG. 4 is a schematic top sectional view of the shock absorbing and cushioning device of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 4.

In the figure: 1-base, 2-tower body, 3-cockpit, 4-front arm, 5-rear arm, 6-counterweight device, 7-detection sensor, 8-fixing seat, 9-fixing block, 10-supporting rod A, 11-sliding block, 12-working frame, 13-auxiliary working block, 14-compression spring A, 15-sliding groove, 16-auxiliary rod A, 17-damping cavity, 18-lifting block, 19-damping plate, 20-auxiliary rod B, 21-supporting rod B, 22-ventilation hole, 23-protection plate, 24-limit frame, 25-limit plate and 26-compression spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a building construction tower crane anti-collision system, includes base 1, the upper end of base 1 is equipped with body of the tower 2, be equipped with cockpit 3 on the body of the tower 2, be equipped with forearm 4 on cockpit 3's the top on the body of the tower 2, on the body of the tower 2 and correspond the position with forearm 4 and be equipped with the postbrachium 5 of opposite direction, be equipped with counter weight device 6 on the postbrachium 5, be equipped with central controller device in the cockpit 3, the terminal surface that cockpit 3 was kept away from to forearm 4 is equipped with detection sensor 7, detection sensor 7 electric connection central controller, detection sensor 7 are located the front end of forearm 4, and when detection sensor 7 detected the barrier, in the central controller device of detection signal transmission way, the central controller device made the rotation of whole stop work, prevent that the tower crane from taking place the mutual accident and colliding, both sides equidistance around forearm 4 and postbrachium 5 is equipped with a plurality of shock attenuation buffer, buffering damping device can make the both sides of forearm 4 and back wall 5 receive when the striking, slows down the impact force, plays absorbing effect, protects forearm 4 and postbrachium 5, shock attenuation damping device includes a plurality of fixing bases 8, and is a plurality of fixing base 8 equidistance fixed connection is both sides around forearm 4 and postbrachium 5, the terminal surface fixedly connected with fixed block 9 of forearm 4 and back wall 5 is kept away from to fixing base 8, on the terminal surface of forearm 4 and postbrachium 5 was kept away from to fixing base 8 and be equipped with auxiliary rod A16 in the bilateral symmetry of fixed block 9, the bilateral symmetry rotation of auxiliary rod A16 is connected with the one end of branch A10, the sliding connection of fixing base 8 has sliding block 11, the inside of fixing base 11 is equipped with damping chamber 17, fixing base 8 is at damping chamber 17 sliding connection, and fixing base 8 is fixed, and fixed block 9 is fixed on fixing base 8, damping cavity 17 and fixed block 9 sliding connection, when sliding block 11 receives the effect of external force, move along fixed block 8, both ends symmetry fixedly connected with work frame 12 about sliding block 11, sliding connection has auxiliary work piece 13 in work frame 12, be connected with compression spring A14 between the interior terminal surface that fixed block 9 was kept away from to auxiliary work piece 13 and work frame 12, the opposite side sliding connection of damping cavity 17 has elevator 18, the terminal surface fixedly connected with damping plate 19 that damping cavity 17 was kept away from to elevator 18, the left and right sides symmetry of damping plate 19 is equipped with auxiliary rod B20, the bilateral symmetry of auxiliary rod B20 rotates the one end that is connected with branch B21, and the other end that should obtain branch A10 and branch B21 simultaneously with auxiliary work piece 13 lateral wall rotation connection, sliding block 11 obtains to be equipped with bleeder vent 22 on the lateral wall, bleeder vent 22 communicates with damping cavity 17, when the damping plate 19 is collided by foreign matters, the damping plate 19 is stressed to move, when the damping plate 19 moves under the action of external force, the lifting block 18 is driven to move together, the lifting block 18 slides along the damping cavity 17, when the damping plate 19 moves, the auxiliary rod B20 can be driven to move together, the auxiliary rod B20 drives the supporting rod B21 to move together, the supporting rod B21 can move the auxiliary working block 13 on the working frame 12 simultaneously, under the cooperation action of the auxiliary working block 13, the supporting rod B21 and the supporting rod A10, the working frame 12 can move towards the direction close to the fixed seat 8, at the moment, the two working frames 12 can drive the sliding block 11 to move downwards together, at the moment, under the action of the fixed block 9 and the lifting block 18, the space in the damping cavity 17 is reduced, air in the damping cavity 17 is extruded, and is discharged out of the damping cavity 17 through the air holes 22, and due to the limitation of the air holes 22, the moving speed of the sliding block 11 and the, the damping function is realized, when the external force disappears, the auxiliary working block 13 is restored to the initial position under the action of the compression spring A14, when the auxiliary working block 13 is restored to the initial position, the sliding block 11, the lifting block 18 and the damping plate 19 are restored to the initial position through the action of the supporting rod A10 and the supporting rod B21, and meanwhile, the compression spring A14 also plays the damping function.

Specifically, the inner surface of the working frame 12 is provided with a sliding groove 15, the auxiliary working block 13 is slidably connected with the sliding groove 15, when the working block 13 is acted by an external force, the auxiliary working block 13 moves along the sliding groove 15 while moving, and the sliding groove 15 plays a role in limiting the auxiliary working block 13 and preventing the auxiliary working block 13 from shifting when moving.

Particularly, both ends are equipped with guard plate 23 about the shock attenuation board 19 must, guard plate 23 and forearm 4 or 5 sliding connection of postbrachium, guard plate 23 can play the guard action to the inside of shock attenuation buffer, avoids the inside mechanism of shock attenuation buffer to get into the foreign matter, causes the trouble.

Particularly, damping chamber 17 is the rectangle damping chamber, fixed block 9 is the rectangle fixed block, elevator 18 is the rectangle elevator, can restrict damping chamber 17, elevator 18 and fixed block 9 when taking place relative movement, can not take place rotatory skew, plays spacing effect.

Particularly, shock attenuation chamber 17 gets the front and back both sides symmetry and is equipped with spacing frame 24, two spacing frame 24 respectively with fixed block 9 and elevator 18 sliding connection, fixed block 9 gets equal fixedly connected with limiting plate 25 on the terminal surface with elevator 18 relatively, two limiting plate 25's lateral wall all with shock attenuation chamber 17 sliding connection, when elevator 18 and shock attenuation chamber 17 and fixed block 9 inter motion, play the effect of restricted position between spacing frame 24 and the limiting plate 25, prevent to break away from each other between sliding block 11, elevator 18 and the fixed block 9.

Specifically, a plurality of compression springs B26 are equidistantly connected between the two limit plates 25, when the fixed block 9 and the elevator block 18 move in opposite directions, the compression springs B26 are pressed, and after the compression springs B26 are compressed, the compression springs B26 apply an opposite acting force between the fixed block 9 and the elevator block 18, so that the fixed block 9 and the elevator block 18 are away from each other, and the shock absorption function is achieved.

Specifically, the adjacent two protection plates 23 are slidably connected.

The working principle is as follows: in the invention, a detection sensor 7 is positioned at the front end of a front arm 4, when the detection sensor 7 detects an obstacle, a detection signal is transmitted into a central controller device, the central controller device stops the whole body from working and rotating, the tower crane is prevented from colliding with each other, when a damping plate 19 collides with a foreign body, the damping plate 19 is stressed and moves, when the damping plate 19 is moved under the action of an external force, the lifting block 18 is driven to move together, the lifting block 18 slides along a damping cavity 17, when the damping plate 19 moves, an auxiliary rod B20 can be simultaneously driven to move together, when the auxiliary rod B20 moves, the supporting rod B21 moves, when the supporting rod B21 moves, the auxiliary working block 13 can move on a working frame 12, and under the cooperation of the auxiliary common block 13, the supporting rod B21 and the supporting rod A10, the working frame 12 can move towards a direction close to a fixed seat 8, at the moment, the two working frames 12 can drive a sliding block 11 to move together downwards, the fixed seat 8 is fixed, the fixed block 9 is fixed on the fixed block 8, the damping cavity 17 is connected with the fixed block 9 in a sliding mode, the sliding block 11 moves along the fixed block 8 under the action of external force, at the moment, under the action of the fixed block 9 and the lifting block 18, the space in the damping cavity 17 is reduced, air in the damping cavity 17 is extruded, the damping cavity 17 is discharged through the air holes 22, due to the limitation of the air holes 22, the moving speed of the sliding block 11 and the lifting block 18 is reduced, the damping effect is achieved, when the external force disappears, the auxiliary working block 13 is restored to the initial position under the action of the compression spring A14, when the auxiliary working block 13 is restored to the initial position, the sliding block 11, the lifting block 18 and the damping plate 19 are restored to the initial positions under the action of the supporting rod A10 and the supporting rod B21, and the extrusion spring A14 also plays a; when the working block 13 is under the action of external force, the auxiliary working block 13 moves along the sliding groove 15 while moving, and the sliding groove 15 limits the auxiliary working block 13 to prevent the auxiliary working block 13 from shifting during moving; when the lifting block 18, the damping cavity 17 and the fixed block 9 move mutually, the limiting frame 24 and the limiting plate 25 play a role of limiting the position, and the sliding block 11, the lifting block 18 and the fixed block 9 are prevented from being separated from each other; when the fixed block 9 and the lifting block 18 move towards each other, the compression spring B26 is pressed, and when the compression spring B26 is compressed, the compression spring B26 exerts an opposite acting force between the fixed block 9 and the lifting block 18, so that the fixed block 9 and the lifting block 18 are far away from each other to play a role in shock absorption.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a building construction tower crane prevents bumping system, includes base (1), the upper end of base (1) is equipped with body of the tower (2), be equipped with cockpit (3) on body of the tower (2), on body of the tower (2) and be equipped with forearm (4) in the top of cockpit (3), on body of the tower (2) and correspond rear arm (5) that the position was equipped with opposite direction with forearm (4), be equipped with counter weight device (6) on rear arm shoulder (5), be equipped with central controller device, its characterized in that in cockpit (3): the terminal surface that cockpit (3) was kept away from in forearm (4) is equipped with detection sensor (7), detection sensor (7) electric connection central controller, both sides equidistance is equipped with a plurality of shock attenuation buffer around forearm (4) and postbrachium (5), shock attenuation buffer includes a plurality of fixing base (8), and is a plurality of fixing base (8) equidistance fixed connection is in the front and back both sides of forearm (4) and postbrachium (5), the terminal surface fixedly connected with fixed block (9) of forearm (4) and postbrachium (5) are kept away from in fixing base (8), on the terminal surface that forearm (4) and postbrachium (5) are kept away from in fixing base (8) and the left and right sides symmetry of fixed block (9) is equipped with auxiliary rod A (16), the bilateral symmetry rotation of auxiliary rod A (16) is connected with the one end of branch A (10), the sliding connection of fixing base (8) has sliding block (11), the damping device is characterized in that a damping cavity (17) is arranged inside the sliding block (11), the fixing seat (8) is connected in the damping cavity (17) in a sliding manner, the left end and the right end of the sliding block (11) are symmetrically and fixedly connected with a working frame (12), the working frame (12) is connected with an auxiliary working block (13) in a sliding manner, a compression spring A (14) is connected between the auxiliary working block (13) and the inner end face, far away from the fixing block (9), of the working frame (12), the other side of the damping cavity (17) is connected with a lifting block (18) in a sliding manner, the end face, far away from the damping cavity (17), of the lifting block (18) is fixedly connected with a damping plate (19), the left side and the right side of the damping plate (19) are symmetrically provided with an auxiliary rod B (20), the two sides of the auxiliary rod B (20) are symmetrically and rotatably connected with one end of a supporting rod B (21), the other end of the supporting, and air holes (22) are formed in the side wall of the sliding block (11), and the air holes (22) are communicated with the damping cavity (17).

2. The anti-collision system of the construction tower crane according to claim 1, characterized in that: the inner surface of the working frame (12) is provided with a sliding groove (15), and the auxiliary working block (13) is connected with the sliding groove (15) in a sliding mode.

3. The anti-collision system of the construction tower crane according to claim 1, characterized in that: the upper end and the lower end of the damping plate (19) are provided with protection plates (23), and the protection plates (23) are connected with the front arm (4) or the rear arm (5) in a sliding mode.

4. The anti-collision system of the construction tower crane according to claim 1, characterized in that: the damping cavity (17) is a rectangular damping cavity, the fixing block (9) is a rectangular fixing block, and the lifting block (18) is a rectangular lifting block.

5. The anti-collision system of the construction tower crane according to claim 1, characterized in that: shock attenuation chamber (17) are got around bilateral symmetry and are equipped with spacing frame (24), two spacing frame (24) respectively with fixed block (9) and elevator (18) sliding connection, equal fixedly connected with limiting plate (25), two on fixed block (9) and elevator (18) relative terminal surface the lateral wall of limiting plate (25) all with shock attenuation chamber (17) sliding connection.

6. The anti-collision system of the construction tower crane according to claim 5, wherein: a plurality of compression springs B (26) are connected between the two limiting plates (25) at equal intervals.

7. The anti-collision system of the construction tower crane according to claim 3, wherein: the two adjacent protection plates (23) are connected in a sliding mode.

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