CN114057123A

CN114057123A - Tower crane with anti-collision function

Info

Publication number: CN114057123A
Application number: CN202111343554.8A
Authority: CN
Inventors: 马瑞; 石春蕾
Original assignee: Xuzhou College of Industrial Technology
Current assignee: Xuzhou College of Industrial Technology
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-02-18

Abstract

The invention discloses a tower crane with an anti-collision function, which comprises a tower crane base, a rotary unit, a supporting seat, a detection unit, a fixing unit and a load-carrying trolley, the upper side of the tower crane base is provided with a tower body, the rotary unit comprises a connecting seat, a servo motor, a turntable and a connecting plate, the upper side surface of the tower body is provided with a connecting seat, the lower side surface of the connecting seat is provided with a servo motor, a rotary table is arranged on the upper side surface of the connecting seat, the lower side surface of the rotary table is connected with an output shaft of a servo motor, a connecting plate is arranged on the upper side surface of the rotary table, the crane boom is driven to rotate through the rotary unit, the supporting seat is installed on the upper side face of the connecting plate, the crane boom is installed on the right side face of the supporting seat, collision danger can be effectively avoided, safety of drivers and surrounding people is guaranteed, operation construction is smooth, and working efficiency is greatly improved.

Description

Tower crane with anti-collision function

Technical Field

The invention relates to the technical field of monitoring management equipment, in particular to a tower crane with an anti-collision function.

Background

The tower crane, namely the tower crane, also called tower crane for short, is a hoisting device used in building construction, and is classified according to the national standard, the model standard of the tower crane is QT, wherein, Q represents the crane, T represents the tower, and the standard name in general domestic is the same, of course, because our country learns the technology of manufacturing the tower crane according to LiBohai sea and France Botan, some manufacturers also define the model name according to the foreign coding rule, the tower crane can be divided into a plurality of varieties according to the different design forms, such as self-elevating tower crane, internal climbing tower crane, flat-head tower crane, movable arm type tower crane, fast-assembly tower crane, etc., the existing tower crane generally has no anti-collision function, when the tower crane operation range has a specific static area, the collision can be avoided only by the autonomous monitoring of a driver, however, the collision accident is monitored only by the naked eyes of the driver, so that the accident is easily missed or misjudged, and the operation of the machine is influenced.

Disclosure of Invention

The invention aims to overcome the existing defects and provides a tower crane with an anti-collision function, which can effectively avoid collision risks, ensure the safety of drivers and surrounding people, ensure that operation construction is smoother, greatly improve the working efficiency and effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a tower crane with an anti-collision function comprises a tower crane base, a rotary unit, a supporting seat, a detection unit, a fixing unit and a load-carrying trolley, wherein a tower body is installed on the upper side of the tower crane base, the rotary unit comprises a connecting seat, a servo motor, a rotary plate and a connecting plate, the connecting seat is installed on the upper side surface of the tower body, the servo motor is installed on the lower side surface of the connecting seat, the rotary plate is placed on the upper side surface of the connecting seat, the lower side surface of the rotary plate is connected with an output shaft of the servo motor, the connecting plate is installed on the upper side surface of the rotary plate, a cargo boom is driven to rotate through the rotary unit, the supporting seat is installed on the upper side surface of the connecting plate, the cargo boom is installed on the right side surface of the supporting seat, two corresponding sliding plates are installed on the front side surface and the back side surface of the cargo boom, clamping holes which are uniformly distributed are formed in the upper side surface of the sliding plates, and a balance arm is installed on the left side surface of the supporting seat, the loading trolley is driven to move by the crane boom and comprises two frames, two second motors, wheels, a third motor and a connecting column, the two frames correspond to each other, the two corresponding second motors are installed on the side surfaces of the frames, the output shafts of the second motors are fixed on the end surfaces of the wheels, the four wheels are correspondingly and slidably connected to the upper side surfaces of the two sliding plates, the third motor is installed on the front side surface of the frame on the front side, the output shaft of the third motor is fixed on the front end surface of the connecting column, the rear end bearing of the connecting column is connected to the front side surface of the frame on the rear side, the detection unit is installed at the right end of the crane boom, a driver can more conveniently detect the peripheral working environment of the tower crane by arranging the detection unit, and the fixing unit is installed on the upper side surface of the loading trolley, fix the load dolly through fixed unit, wherein: still include cab, display screen, operation panel, PLC controller and data storage ware, the side of going up at the connecting plate is installed to the cab, the internally mounted of cab has the operation panel, the side of going up at the operation panel is all installed to display screen, PLC controller and data storage ware, external power source's output is connected to the input electricity of PLC controller, servo motor, second motor and third motor's input is connected to the output electricity respectively of PLC controller, the PLC controller is connected with display screen and data storage ware electricity respectively, shoots the image through the display screen and observes to the camera.

Furthermore, the detection unit comprises a connecting block, a first motor, a rotating shaft and a camera, the connecting block is fixed at the right end of the crane boom, the first motor is installed on the upper side face of the connecting block, an output shaft of the first motor is fixed on the upper end face of the rotating shaft, the camera is installed on the lower end face of the rotating shaft, the input end of the first motor is electrically connected with the output end of the PLC, and the camera is electrically connected with the PLC.

Further, fixed unit contains fixed plate, mounting panel, electric telescopic handle, fixed block and connecting axle, the fixed plate is provided with four, and four corresponding side of installing in two frames of fixed plate, the side of going up of fixed plate is fixed with the mounting panel, electric telescopic handle is installed to the downside of mounting panel, electric telescopic handle's flexible arm is fixed at the side of going up of fixed block, be fixed with the connecting axle on the downside of fixed block, the connecting axle cooperatees with the card hole, and the output of PLC controller is connected to four electric telescopic handle's input electricity.

The building material fixing device further comprises a lifting hook and a steel wire rope, wherein the steel wire rope is wound on the circumferential surface of the connecting column, one end, far away from the connecting column, of the steel wire rope is fixed to the upper side face of the lifting hook, and the building material is fixed through the lifting hook.

Furthermore, the device also comprises a limiting plate, wherein the limiting plate is fixed on the upper side surface of the connecting block, and the moving range of the load-carrying trolley is limited by arranging the limiting plate.

Further, still include ultrasonic sensor, ultrasonic sensor is provided with two, and two ultrasonic sensor corresponding installs both sides around the connecting block, ultrasonic sensor is connected with the PLC controller electricity, detects the condition in the tower machine working range through ultrasonic sensor.

Further, still include the alarm lamp, the side of going up at the operation panel is installed to the alarm lamp, the output of PLC controller is connected to the input electricity of alarm lamp, reminds driver tower machine periphery to appear the obstacle through the alarm lamp.

Compared with the prior art, the invention has the beneficial effects that: this tower machine that possesses anticollision function has following benefit:

1. the PLC controller controls the servo motor to rotate, the servo motor rotates to drive the crane boom to rotate, the two ultrasonic sensors detect objects in the working range of the crane boom in the rotating process of the crane boom, when the ultrasonic sensor detects that the obstacle exists, the signal is sent to the PLC controller, the PLC controller receives the signal and then controls the servo motor to stop working, the servo motor stops working to enable the cargo boom to stop rotating, when the PLC receives the signal, the PLC controls the four electric telescopic rods to work, the four electric telescopic rods work to drive the four connecting shafts to move downwards, when the connecting shaft moves downwards to the inside of the clamping hole, the load-carrying trolley is fixed on the upper side surface of the crane boom, the device can effectively prevent the crane boom and the load-carrying trolley from colliding against barriers, thereby effectively ensuring the life safety of a driver and surrounding people;

2. through the work of the first motor of PLC controller control, the pivot is rotated in the drive of first motor work, the pivot is rotated and is driven the camera and rotate, the camera rotates and carries out multi-angle detection to the working range of tower machine, the camera sends the image that detects to the PLC controller, the PLC controller receives after the image and transmits the image to data memory, show through the display screen simultaneously, make the driver can effectually detect the condition in the tower machine working range in the tower machine working process through above device.

Drawings

FIG. 1 is a schematic structural diagram of the front side of a tower crane with an anti-collision function, provided by the invention;

FIG. 2 is a schematic structural diagram of a slewing unit of a tower crane with an anti-collision function according to the invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a front view of a tower crane with an anti-collision function according to the invention;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a schematic diagram of a right side structure of a tower crane with an anti-collision function according to the present invention;

fig. 7 is an enlarged view of fig. 6 at C.

In the figure: 1 tower crane base, 2 tower bodies, 3 slewing units, 31 connecting seats, 32 servo motors, 33 turntables, 34 connecting plates, 4 driver's cabs, 5 lifting hooks, 6 supporting seats, 7 lifting arms, 8 detection units, 81 connecting blocks, 82 first motors, 83 rotating shafts, 84 cameras, 9 fixing units, 91 fixing plates, 92 mounting plates, 93 electric telescopic rods, 94 fixing blocks, 95 connecting shafts, 10 balance arms, 11 display screens, 12 load trolleys, 121 frames, 122 second motors, 123 wheels, 124 third motors, 125 connecting columns, 13 ultrasonic sensors, 14 limiting plates, 15 operating tables, 16PLC controllers, 17 data storages, 18 alarm lamps, 19 sliding plates, 20 clamping holes and 21 steel wire ropes.

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. 1-7, the present invention provides the following technical solutions:

the first embodiment is as follows:

a tower crane with an anti-collision function comprises a tower crane base 1, a rotary unit 3, a supporting seat 6, a detection unit 8, a fixed unit 9 and a load-carrying trolley 12, a tower body 2 is installed on the upper side of the tower crane base 1, the rotary unit 3 comprises a connecting seat 31, a servo motor 32, a rotary disk 33 and a connecting plate 34, the connecting seat 31 is installed on the upper side of the tower body 2, the servo motor 32 is installed on the lower side surface of the connecting seat 31, the rotary disk 33 is placed on the upper side surface of the connecting seat 31, the lower side surface of the rotary disk 33 is connected with an output shaft of the servo motor 32, the connecting plate 34 is installed on the upper side surface of the rotary disk 33, the supporting seat 6 is installed on the upper side surface of the connecting plate 34, a cargo boom 7 is installed on the right side surface of the supporting seat 6, two corresponding sliding plates 19 are installed on the front and back side surfaces of the cargo boom 7, clamping holes 20 which are uniformly distributed are formed on the upper side surface of the sliding plates 19, and a balance arm 10 is installed on the left side surface of the supporting seat 6, the load-carrying trolley 12 comprises two frames 121, two second motors 122, wheels 123, a third motor 124 and a connecting column 125, wherein the two frames 121 correspond to each other, the two corresponding second motors 122 are installed on the side surfaces of the frames 121, the output shaft of each second motor 122 is fixed on the end surface of each wheel 123, the four wheels 123 are correspondingly and slidably connected on the upper side surfaces of the two sliding plates 19, the third motor 124 is installed on the front side surface of the frame 121 on the front side, the output shaft of each third motor 124 is fixed on the front end surface of the connecting column 125, the rear end bearing of the connecting column 125 is connected on the front side surface of the frame 121 on the rear side, the detection unit 8 is installed at the right end of the cargo boom 7, the detection unit 8 comprises a connecting block 81, a first motor 82, a rotating shaft 83 and a camera 84, the connecting block 81 is fixed at the right end of the cargo boom 7, the first motor 82 is installed on the upper side surface of the connecting block 81, an output shaft of a first motor 82 is fixed on the upper end face of a rotating shaft 83, a camera 84 is installed on the lower end face of the rotating shaft 83, an input end of the first motor 82 is electrically connected with an output end of a PLC (programmable logic controller) 16, the camera 84 is electrically connected with the PLC 16, a fixing unit 9 is installed on the upper side face of a load-carrying trolley 12, the fixing unit 9 comprises four fixing plates 91, a mounting plate 92, an electric telescopic rod 93, a fixing block 94 and a connecting shaft 95, the four fixing plates 91 are correspondingly installed on the upper side faces of two trolley frames 121, the mounting plate 92 is fixed on the upper side face of the fixing plate 91, the electric telescopic rod 93 is installed on the lower side face of the mounting plate 92, a telescopic arm of the electric telescopic rod 93 is fixed on the upper side face of the fixing block 94, the connecting shaft 95 is fixed on the lower side face of the fixing block 94, the connecting shaft 95 is matched with a clamping hole 20, and input ends of the four electric telescopic rods 93 are electrically connected with an output end of the PLC 16, wherein: still include cab 4, display screen 11, operation panel 15, PLC controller 16 and data storage 17, cab 4 installs the side of going up at connecting plate 34, cab 4's internally mounted has operation panel 15, display screen 11, PLC controller 16 and data storage 17 all install the side of going up at operation panel 15, external power source's output is connected to PLC controller 16's input electricity, servo motor 32 is connected respectively to PLC controller 16's output electricity, the input of second motor 122 and third motor 124, PLC controller 16 is connected with display screen 11 and data storage 17 electricity respectively.

Specifically, the rotary unit 3 drives the crane boom 7 to rotate, the crane boom 7 drives the load-carrying trolley 12 to move, the detection unit 8 is arranged to enable a driver to more conveniently detect the working environment around the tower crane, the fixing unit 9 fixes the load-carrying trolley 12, and the display screen 11 is used for observing the image shot by the camera 84;

example two:

the difference between this embodiment and the first embodiment is:

in this embodiment, the lifting hook further comprises a lifting hook 5 and a steel wire rope 21, the steel wire rope 21 is wound on the circumferential surface of the connecting column 125, one end of the steel wire rope 21, which is far away from the connecting column 125, is fixed on the upper side surface of the lifting hook 5, and the lifting hook further comprises a limiting plate 14, and the limiting plate 14 is fixed on the upper side surface of the connecting block 81.

Specifically, the construction material is fixed through the lifting hook 5, and the moving range of the load-carrying trolley 12 is limited through the limiting plate 14;

example three:

the difference between this embodiment and the first embodiment is:

in this embodiment, still include ultrasonic sensor 13, ultrasonic sensor 13 is provided with two, and two corresponding the installing in the front and back both sides of connecting block 81 of ultrasonic sensor 13, and ultrasonic sensor 13 is connected with PLC controller 16 electricity, still includes alarm lamp 18, and alarm lamp 18 installs the side of going up at operation panel 15, and PLC controller 16's output is connected to alarm lamp 18's input electricity.

Specifically, set up like this, detect the condition in tower machine working range through ultrasonic sensor 13, remind driver tower machine periphery to appear the obstacle through alarm lamp 18.

When in use: the servo motor 32 is controlled to rotate by the PLC 16, the servo motor 32 rotates to drive the rotary disc 33 to rotate, the rotary disc 33 rotates to drive the connecting plate 34 to rotate, the connecting plate 34 rotates to drive the lifting arm 7 to rotate, in the rotating process of the lifting arm 7, the two ultrasonic sensors 13 detect objects in the working range of the lifting arm 7, when the ultrasonic sensors 13 detect obstacles, signals are sent to the PLC 16, the PLC 16 receives the signals and then controls the servo motor 32 to stop working, the servo motor 32 stops working to enable the lifting arm 7 to stop rotating, and when the PLC 16 receives the signals, the PLC 16 controls the four electric telescopic rods 93 to work, the four electric telescopic rods 93 work to drive the four fixing blocks 94 to move downwards, the four fixing blocks 94 move downwards to drive the four connecting shafts 95 to move downwards, and when the connecting shafts 95 move downwards to the inside of the clamping holes 20, fix load dolly 12 in the last side of jib loading boom 7, can avoid jib loading boom 7 and load dolly 12 to bump to the obstacle through above device, thereby the effectual life safety who guarantees driver and peripheral masses, control first motor 82 work through PLC controller 16, first motor 82 work drives pivot 83 and rotates, pivot 83 rotates and drives camera 84 and rotate, camera 84 rotates and carries out multi-angle detection to the working range of tower machine, camera 84 sends the image that detects to PLC controller 16, PLC controller 16 receives after the image and sends the image to data memory 17, show through display screen 11 simultaneously, make the condition to the tower machine working range that the driver can be very convenient detect through above device in tower machine working process.

It should be noted that the specific model of the PLC controller 16 disclosed in this embodiment is siemens S7-200, the ultrasonic sensor 13 may be an S18UUA ultrasonic sensor manufactured by banner corporation, and the PLC controller 16 controls the servo motor 32, the first motor 82, the electric telescopic rod 93, the second motor 122, the third motor 124 and the alarm lamp 18 to operate by a method commonly used in the prior art.

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

1. The utility model provides a tower machine that possesses anticollision function which characterized in that: comprises a tower crane base (1), a rotary unit (3), a supporting seat (6), a detection unit (8), a fixed unit (9) and a load trolley (12), wherein a tower body (2) is installed on the upper side of the tower crane base (1), the rotary unit (3) comprises a connecting seat (31), a servo motor (32), a turntable (33) and a connecting plate (34), the connecting seat (31) is installed on the upper side surface of the tower body (2), the servo motor (32) is installed on the lower side surface of the connecting seat (31), the turntable (33) is placed on the upper side surface of the connecting seat (31), the lower side surface of the turntable (33) is connected with an output shaft of the servo motor (32), the connecting plate (34) is installed on the upper side surface of the turntable (33), the supporting seat (6) is installed on the upper side surface of the connecting plate (34), and a cargo boom (7) is installed on the right side surface of the supporting seat (6), two corresponding sliding plates (19) are mounted on the front side surface and the rear side surface of the crane boom (7), clamping holes (20) which are uniformly distributed are formed in the upper side surface of each sliding plate (19), a balance arm (10) is mounted on the left side surface of the supporting seat (6), the load-carrying trolley (12) comprises two frames (121), a second motor (122), wheels (123), a third motor (124) and a connecting column (125), the number of the frames (121) is two, the two frames (121) correspond to each other, the two corresponding second motors (122) are mounted on the side surfaces of the frames (121), the output shaft of each second motor (122) is fixed on the end surface of each wheel (123), the four wheels (123) are correspondingly and slidably connected to the upper side surfaces of the two sliding plates (19), the third motor (124) is mounted on the front side surface of the frame (121) on the front side, and the output shaft of each third motor (124) is fixed on the front end surface of the connecting column (125), the rear end bearing of the connecting column (125) is connected to the front side surface of the frame (121) on the rear side, the detection unit (8) is installed at the right end of the crane arm (7), the fixing unit (9) is installed on the upper side surface of the load-carrying trolley (12), and the detection unit is characterized in that: still include cab (4), display screen (11), operation panel (15), PLC controller (16) and data storage (17), the side of going up at connecting plate (34) is installed in cab (4), the internally mounted of cab (4) has operation panel (15), the side of going up at operation panel (15) is all installed in display screen (11), PLC controller (16) and data storage (17), external power source's output is connected to the input electricity of PLC controller (16), servo motor (32), second motor (122) and third motor (124)'s input is connected to the output electricity of PLC controller (16) respectively, PLC controller (16) are connected with display screen (11) and data storage (17) electricity respectively.

2. The tower crane with the anti-collision function as claimed in claim 1, wherein: detection unit (8) contain connecting block (81), first motor (82), pivot (83) and camera (84), the right-hand member at jib loading boom (7) is fixed in connecting block (81), first motor (82) are installed to the side of going up of connecting block (81), the output shaft of first motor (82) is fixed on the up end of pivot (83), install camera (84) on the lower terminal surface of pivot (83), the output of PLC controller (16) is connected to the input electricity of first motor (82), camera (84) are connected with PLC controller (16) electricity.

3. The tower crane with the anti-collision function as claimed in claim 1, wherein: fixed unit (9) contain fixed plate (91), mounting panel (92), electric telescopic handle (93), fixed block (94) and connecting axle (95), fixed plate (91) are provided with four, and four corresponding side of installing on two frames (121) of fixed plate (91), the side of going up of fixed plate (91) is fixed with mounting panel (92), electric telescopic handle (93) are installed to the downside of mounting panel (92), the side of going up of fixed block (94) is fixed to the flexible arm of electric telescopic handle (93), be fixed with connecting axle (95) on the downside of fixed block (94), connecting axle (95) cooperate with calorie hole (20), and the output of PLC controller (16) is connected to the input electricity of four electric telescopic handle (93).

4. The tower crane with the anti-collision function as claimed in claim 1, wherein: still include lifting hook (5) and wire rope (21), wire rope (21) twine on the periphery of spliced pole (125), wire rope (21) are kept away from the one end of spliced pole (125) and are fixed in the side of going up of lifting hook (5).

5. The tower crane with the anti-collision function as claimed in claim 1, wherein: the connecting block further comprises a limiting plate (14), and the limiting plate (14) is fixed on the upper side face of the connecting block (81).

6. The tower crane with the anti-collision function as claimed in claim 1, wherein: still include ultrasonic sensor (13), ultrasonic sensor (13) are provided with two, and two corresponding installing in the front and back both sides of connecting block (81) of ultrasonic sensor (13), ultrasonic sensor (13) are connected with PLC controller (16) electricity.

7. The tower crane with the anti-collision function as claimed in claim 1, wherein: still include alarm lamp (18), the side of going up at operation panel (15) is installed in alarm lamp (18), the output of PLC controller (16) is connected to the input electricity of alarm lamp (18).