For the induction control system of tower crane
Technical field
The present invention relates to tower crane control fields, and in particular to for the induction control system of tower crane.
Background technology
Tower crane is a kind of most common lifting equipment also known as " derrick crane " on construction site, with a section spreading
(height) (referred to as " standard knot "), for hanging the raw material of the constructions such as working reinforcing bar, wood stupefied, concrete, steel pipe.Tower crane is work
A kind of essential equipment on the ground.The function of tower crane point is subject to the upper load that arm support drawstring and counter-jib drawstring transmit,
And pass through and turn round the structure member formula of pylon, turntable, bearing etc. tower body structure is directly passed to by turntable.Have from a liter tower top and cut
Cone pillar leans forward or hypsokinesis truncated cone pillar, herringbone posture and diagonal brace posture.Every upper rotary tower crane is both needed to set balance weight, work(
Can be bearing balance weight, to effect aspect required on the Construction designing trimming moment opposite with hoisting moment direction.It removes
Outside balance weight, also often lifting mechanism is installed in its tail portion.Why homostasis weight is placed in counter-jib tail end to lifting mechanism together,
First part counterweight effect can be played, second increase the distance between rope reel and pinnacle of a pagoda guide wheel, with the row of sharp steel wire rope around and keep away
Exempt from that disorder cable phenomenon occurs.The dosage of balance weight and the length of counter-jib inversely, and balance arm lengths and jib length
Between again there are certain proportion relationships.Counterpoise is considerable, and light-duty tower crane generally at least wants 3~4t, and heavy is near
30t。
In the prior art, the operator of tower crane belongs to the high-risk occupation of working at height, and the process of tower crane is passed in and out in operator
In easily there is fallen accident, and when tower crane is out of control because of Load reason, operator has no idea to escape completely, insurance
Tower crane operator is even classified as six class personnel by field, not buys the right of insurance, it is seen that the risk of tower crane operator it
Greatly.
Invention content
The technical problems to be solved by the invention are that the operator of tower crane belongs to the high-risk occupation of working at height, in operator
Easily there is fallen accident, and when tower crane is out of control because of Load reason, operator does not do completely during disengaging tower crane
Method escaped, and it is an object of the present invention to provide for tower crane induction control system, solve the above problems.
The present invention is achieved through the following technical solutions:
For the induction control system of tower crane, include the following steps:S1:By user's arm be placed in multiple infrared sensors it
Between, open infrared sensor;S2:When opening infrared sensor, using the currently detected infrared signal of infrared sensor as
Zero;S3:When the infrared signal that infrared sensor detects changes compared with zero, tower crane is controlled according to the variation
System.
In the prior art, the operator of tower crane belongs to the high-risk occupation of working at height, and the process of tower crane is passed in and out in operator
In easily there is fallen accident, and when tower crane is out of control because of Load reason, operator has no idea to escape completely.This hair
It is bright in application, user is remotely controlling tower crane, specific control mode is as follows:User's arm is placed in multiple infrared sensings
Between device, infrared sensor is then turned on, when opening infrared sensor, by the currently detected infrared signal of infrared sensor
As zero, when the infrared signal that infrared sensor detects changes compared with zero, tower crane is controlled according to the variation
System.The present invention realizes the manipulation long-range to tower crane by above-mentioned steps so that operator does not need to disengaging tower crane, so as to not
It will appear fallen accident, and even if when tower crane occurs out of control, the safety of operator can also be protected, while not need to build
Vertical new tower crane control storehouse, it is of low cost.
Further, tower crane is controlled with the following method according to the variation described in the step S3:When positioned at
Infrared signal that the sensor on top detects becomes strong, and when the infrared signal detected positioned at lower part becomes strong, controls tower crane
Suspension hook is moved to arm near point;When the infrared signal that superposed sensor detects dies down, and is located at what lower part detected
When infrared signal dies down, the suspension hook of tower crane is controlled to be moved to arm far point;When the infrared letter that superposed sensor detects
Number become strong, and when the infrared signal detected positioned at lower part dies down, the suspension hook of tower crane is controlled to move upwards;When superposed biography
The infrared signal that sensor detects dies down, and when the infrared signal detected positioned at lower part becomes strong, and the suspension hook for controlling tower crane is downward
Movement.
The present invention is in application, when the infrared signal that superposed sensor detects becomes by force, and detected positioned at lower part
Infrared signal become it is strong when, the suspension hook of tower crane is controlled to be moved to arm near point;When superposed sensor detect it is infrared
Signal weaker, and when the infrared signal detected positioned at lower part dies down, the suspension hook of tower crane is controlled to be moved to arm far point;When positioned at
Infrared signal that the sensor on top detects becomes strong, and when the infrared signal detected positioned at lower part dies down, and controls tower crane
Suspension hook moves upwards;When the infrared signal that superposed sensor detects dies down, and the infrared letter detected positioned at lower part
Number become it is strong when, the suspension hook of tower crane is controlled to move downward.This control mode compared with existing tower crane operating lever mode of operation, more
Add simplicity, and operating lever can cause operator fatigue, user of the present invention because the problems such as thrust is overweight occurs in the problems such as maintaining
It is not in direct contact with control section, there is no operator fatigue problems caused by corrective maintenance.
Further, when the infrared signal that infrared sensor detects is again at zero, prompting is sent out.
The present invention thinks tower crane in application, when the infrared signal that infrared sensor detects is again at zero
Motion mode will change, and be reminded so as to send out, and warn user.
Further, when frequently variation occurs in the infrared signal that infrared sensor detects, tower crane, concurrent responding are locked
Report.
Further, the frequent variation is more than 50Hz for the infrared signal change frequency detected.
The present invention thinks that the arm of user will be disengaged from this in application, when infrared signal change frequency is more than 50Hz
Device so as to locked tower crane, and sends out alarm.
Compared with prior art, the present invention it has the following advantages and advantages:
1st, the present invention is used for the induction control system of tower crane, by above-mentioned steps, realizes the manipulation long-range to tower crane, makes
Operator does not need to disengaging tower crane, from without fallen accident, and even if when tower crane occurs out of control, the peace of operator
It can also be protected entirely, while not need to establish new tower crane control storehouse, it is of low cost;
2nd, the present invention is used for the induction control system of tower crane, and this control mode is compared with the operation of existing tower crane operating lever
Mode, it is easier, and also operating lever can cause operator fatigue because the problems such as thrust is overweight occurs in the problems such as maintaining, this
Invention user is not in direct contact with control section, and there is no operator fatigue problems caused by corrective maintenance.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the method for the present invention step schematic diagram.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment
As shown in Figure 1, the present invention is used for the induction control system of tower crane, include the following steps:S1:User's arm is placed in
Between multiple infrared sensors, infrared sensor is opened;S2:When opening infrared sensor, by infrared sensor current detection
The infrared signal arrived is as zero;S3:When the infrared signal that infrared sensor detects changes compared with zero, according to the change
Change controls tower crane.Tower crane is controlled with the following method according to the variation described in the step S3:When positioned at
Infrared signal that the sensor on top detects becomes strong, and when the infrared signal detected positioned at lower part becomes strong, controls tower crane
Suspension hook is moved to arm near point;When the infrared signal that superposed sensor detects dies down, and is located at what lower part detected
When infrared signal dies down, the suspension hook of tower crane is controlled to be moved to arm far point;When the infrared letter that superposed sensor detects
Number become strong, and when the infrared signal detected positioned at lower part dies down, the suspension hook of tower crane is controlled to move upwards;When superposed biography
The infrared signal that sensor detects dies down, and when the infrared signal detected positioned at lower part becomes strong, and the suspension hook for controlling tower crane is downward
Movement.When the infrared signal that infrared sensor detects is again at zero, prompting is sent out.It is detected when infrared sensor
When frequently variation occurs in infrared signal, tower crane is locked, and send out alarm.The frequent variation changes for the infrared signal detected
Frequency is more than 50Hz.
When the present embodiment is implemented, user is remotely controlling tower crane, and specific control mode is as follows:User's arm is put
Between multiple infrared sensors, infrared sensor is then turned on, when opening infrared sensor, infrared sensor is currently examined
The infrared signal measured is as zero, when the infrared signal that infrared sensor detects changes compared with zero, according to the change
Change controls tower crane.The present invention realizes the manipulation long-range to tower crane by above-mentioned steps so that operator do not need into
Go out tower crane, from without fallen accident, and even if when tower crane occurs out of control, the safety of operator can also be protected
Barrier, while do not need to establish new tower crane control storehouse, it is of low cost.When the infrared signal that superposed sensor detects becomes
By force, and positioned at lower part when the infrared signal detected becomes strong, the suspension hook of tower crane is controlled to be moved to arm near point;When superposed
The infrared signal that sensor detects dies down, and when the infrared signal detected positioned at lower part dies down, control the suspension hook of tower crane to
Arm far point moves;When the infrared signal that superposed sensor detects becomes infrared letter that is strong, and being detected positioned at lower part
When number dying down, the suspension hook of tower crane is controlled to move upwards;When the infrared signal that superposed sensor detects dies down, and be located at
When the infrared signal that lower part detects becomes strong, the suspension hook of tower crane is controlled to move downward.This control mode is compared with existing tower crane
The mode of operation of operating lever, it is easier, and also operating lever can cause to grasp because the problems such as thrust is overweight occurs in the problems such as maintaining
Work person's fatigue, user of the present invention are not in direct contact with control section, and there is no operator fatigue problems caused by corrective maintenance.It is red
When the infrared signal that outer sensor detects is again at zero, that is, thinking the motion mode of tower crane will change, so as to send out
Go out to remind, warn user.When infrared signal change frequency is more than 50Hz, that is, think that the arm of user will be disengaged from the present apparatus,
So as to locked tower crane, and send out alarm.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiment of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.