Vibrate site safety monitoring and pre-alarming method in chassis operational process
Technical field
The present invention relates to Safety monitoring technology in hydraulic engineering concrete pouring construction, site safety monitoring and pre-alarming method in the chassis operational process that particularly vibrates.
Background technology
Concrete vibrating chassis is the important preparation of construction in concreting process, is the common construction machinery in hydraulic engineering, is responsible for the construction of vibrating of mass concrete.In hydraulic engineering concrete dam construction scene, with face, storehouse for construction cell, edge, face, storehouse have punching block version or face, storehouse of having constructed as concrete enclosing, there are various works and built-in fitting in inside, face, storehouse, therefore face, storehouse circumstance complication, causes interference to the chassis that vibrates construction of vibrating; In addition, concrete pouring construction process procedure is many, the operation simultaneously of multiple operation, as laid cooling water pipe when concrete vibrating is constructed, the intersection in life period and space between process procedure, and in face, storehouse, machinery vibrates and manually vibrates and deposit, workmen of vibrating is numerous with other process procedures workmen, and irregular movement in face, storehouse, the continuous shift position of meeting, rotation car arm, lifting vibrator in the chassis operational process that vibrates, the security presence hidden danger of related personnel.Thus need effective security control means with the safety of the personnel in chassis operational process of ensureing to vibrate.
Traditional site safety control device is mainly by strengthening workmen's safety training, enhancing workmen awareness of safety, configuring safety protective tools, field staff's oneself's anticipation and self-protection to related personnel.Vibrate in chassis operational process actual, the awareness of safety of workmen varies with each individual, on-the-spot security control effect largely affects by human factor and construction environment, is difficult to effectively control site safety, the generation of the security incident such as be difficult to collision free, roll.
Therefore, be necessary to propose a kind ofly to become more meticulous, the construction of the intelligent chassis and effective means monitoring is vibrated runs, before generation security incident, carry out early warning, avoid the generation of security incident.
Summary of the invention
Technical matters to be solved by this invention is: propose one and to vibrate site safety monitoring and pre-alarming method in chassis operational process, solving in conventional art does not have a kind of effective means to carry out monitoring and early warning to the site safety of vibrating in chassis operational process, is difficult to the problem avoiding security incident to occur.
The present invention solves the problems of the technologies described above adopted technical scheme:
Vibrate site safety monitoring and pre-alarming method in chassis operational process, comprises the following steps:
A. Real-time Obtaining vibrates the position of chassis pilothouse;
B. Real-time Obtaining vibrates the coverage of chassis running space;
C. the position of Real-time Obtaining site operation personnel;
D. the position calculating site operation personnel and the minor increment of vibrating between chassis running space coverage;
E. this minor increment and default safe distance are compared, judge whether site operation personnel enter chassis operating risk region of vibrating, and if so, then enter step f, otherwise, return step a;
F. corresponding security alarm is carried out to vibrate chassis human pilot and site operation personnel.
Further, in step a, carry out Real-time Obtaining to vibrate the position of chassis pilothouse by installing positioning equipment at the pilothouse top of the chassis that vibrates.
Further, in step b, the vibrate concrete grammar of coverage of chassis running space of Real-time Obtaining comprises:
B1. carry out Real-time Obtaining to vibrate chassis pilothouse and direct north horizontal rotation angle by installing orientation equipment on the pilothouse of chassis that vibrates;
B2. the angle of Real-time Obtaining lever arm and vertical direction is carried out by setting angle sensor on the lever arm of chassis that vibrates;
B3. carry out the angle of Real-time Obtaining vibrating spear stand and vertical direction by setting angle sensor on the vibrating spear stand of the chassis that vibrates and horizontally rotate angle between vibrating spear stand and lever arm;
B4. the body data combining the chassis that vibrates calculate the coverage of the chassis running space that vibrates.
Further, in step b4, consider chassis crawler belt coverage of vibrating, chassis cab space of vibrating scope when the body data combining the chassis that vibrates calculate the coverage of running space of the chassis that vibrates, vibrate chassis lever arm and vibrating spear affect spatial dimension.
Further, chassis crawler belt coverage of vibrating described in is calculated by the position of the chassis pilothouse that vibrates, track length, pilothouse and direct north horizontal rotation angle, pilothouse and crawler belt relative position.
Further, chassis cab space of vibrating described in scope is calculated by the position of the chassis pilothouse that vibrates, pilothouse and direct north horizontal rotation angle and cab space body data.
Further, vibrate described in chassis lever arm and vibrating spear is affected spatial dimension and is drawn by the relative position of the position of the chassis pilothouse that vibrates, pilothouse and direct north horizontal rotation angle, lever arm and pilothouse, lever arm length, lever arm and vertical direction angle, vibrating spear body data, vibrate stand and vertical direction angle, the angle calcu-lation that horizontally rotates between vibrating spear stand and lever arm.
Further, also comprise in steps d: calculate the minor increment of vibrating between chassis running space coverage and face, storehouse fixation means; Also comprise in step e: the minor increment of vibrating between chassis running space coverage and face, storehouse fixation means and the safe distance preset are compared, judge vibrate chassis whether have collision other object danger, if so, then enter step f, otherwise return step a.
Further, described in step f to the concrete mode that vibrate chassis human pilot and site operation personnel carry out corresponding security alarm be: by being arranged on the warning device that vibrates in chassis pilothouse with the mode alerting drivers of acousto-optic, warn site operation personnel by being arranged on the warning device outside pilothouse in the mode of acousto-optic.
Further, also comprise in step f: default safe distance is divided into different grades, when the minor increment between chassis running space coverage and site operation personnel or face, storehouse fixation means of vibrating is less than or equal to corresponding safe distance time, carry out corresponding warning.
The invention has the beneficial effects as follows: by becoming more meticulous, intelligentized means monitor chassis operation conditions of vibrating, realizing workmen at the scene and entering warning function when vibrating chassis operating risk region, the safety of support personnel; And monitoring and early warning is carried out, the generation of collision free event to the distance between the influence on system operation scope of the chassis that vibrates and face, storehouse fixation means.
Embodiment
The present invention is intended to propose one and vibrates site safety monitoring and pre-alarming method in chassis operational process, solve in conventional art the site safety not having a kind of effective means to carry out monitoring and early warning to vibrate in chassis operational process, be difficult to the problem of the generation avoiding security incident.
Below in conjunction with concrete enforcement means, the solution of the present invention is further described:
First, by chassis pilothouse top installing positioning equipment (satnav or ultra-wideband location or laser positioning) vibrating, Real-time Obtaining vibrates the three-dimensional position P(x0 at chassis pilothouse center, y0, z0); By installing orientation equipment (electronic compass or satellite orientation) vibrating on chassis pilothouse top, Real-time Obtaining vibrates chassis pilothouse and direct north horizontal rotation angle α; By at the chassis lever arm that vibrates, (comprise forearm and postbrachium, forearm is a, and rear arm lengths is b) upper setting angle sensor, Real-time Obtaining lever arm and vertical direction angle (forearm and vertical direction angle be β, postbrachium and vertical direction angle be γ); By at the chassis vibrating spear stand setting angle sensor that vibrates, vibrate stand and vertical direction angle theta and vibrate stand and lever arm of Real-time Obtaining horizontally rotates included angle;
The data of each sensor collection above-mentioned are transferred into the processor unit in pilothouse, in conjunction with the body data (deriving from the parameter of vibrating vehicle) of the chassis that vibrates, real-time calculating acquisition is vibrated chassis running space coverage I, will consider: chassis crawler belt coverage, 2 of 1) vibrating when calculating its running space coverage) chassis cab space of vibrating scope, 3) vibrate chassis lever arm and vibrating spear affect spatial dimension;
For above-mentioned 1) chassis crawler belt coverage of vibrating, can be calculated by the three-dimensional position P at pilothouse center, chassis track length of vibrating, pilothouse and direct north horizontal rotation angle α and pilothouse and crawler belt relative position and obtain;
For above-mentioned 2) chassis cab space of vibrating scope, can be calculated by the three-dimensional position P at pilothouse center, pilothouse and direct north horizontal rotation angle α and cab space body and obtain;
For above-mentioned 3) vibrate chassis lever arm and vibrating spear affect spatial dimension, and can horizontally rotate included angle by three-dimensional position P, pilothouse and direct north horizontal rotation angle α, lever arm and pilothouse relative position, lever arm length (a and b), lever arm and vertical direction angle (β and γ), vibrating spear body, stand and the vertical direction angle theta of vibrating at pilothouse center and vibrate stand and lever arm and calculate and obtain;
Then, by positioning workmen (ultra-wideband location or satnav can adopt mounting and positioning device on safety helmet to realize), the three-dimensional position Q(x1 of Real-time Obtaining workmen, y1, z1); Calculate the distance L1 of three-dimensional position Q and the chassis running space coverage I that vibrates obtaining workmen, compare with the safe distance L of setting, judge whether workmen enters the chassis operating risk prewarning area that vibrates (as L1≤L, showing to enter hazardous location); Calculate the minor increment L2 that vibrates between chassis running space coverage I and face, storehouse fixation means, compare with the safe distance L of setting, whether the chassis that judges to vibrate has the danger of other object of collision (as L2≤L, showing the danger having other object of collision);
Finally, when be determined with workmen enter vibrate chassis operating risk prewarning area or the chassis that vibrates have other objects of collision dangerous time, by driving the warning device of indoor location with acoustooptic alerting drivers, warn other workmens at the warning device driving outdoor mounted with acoustooptic;
In addition, in order to reach better early warning effect, the present invention can also divide multiple grade when setting safe distance L, when the minor increment between chassis running space coverage and site operation personnel or face, storehouse fixation means of vibrating is less than or equal to corresponding safe distance time, carry out corresponding warning, such as: safe distance L is divided into two grades: Lm1, Lm2, wherein Lm1 > Lm2, the alert levels of its correspondence is also divided into two-stage: the warning of the warning of harmful grade, extremely harmful grade; The frequency that warning for these two kinds of ranks can adopt transmission to report to the police and intensity are distinguished;
When the minor increment between chassis running space coverage and site operation personnel or face, storehouse fixation means of vibrating is less than or equal to Lm1, enter the warning of harmful grade:
When the minor increment between chassis running space coverage and site operation personnel or face, storehouse fixation means of vibrating is less than or equal to Lm2, enter the warning of extremely harmful grade.
It should be noted that, the present invention just proposes the means for chassis operation conditions monitoring of vibrating, and when invention has been disclosed the acquisition source of parameters, carrying out the concrete algorithmic formula calculated for utilizing above-mentioned parameters is that those skilled in the art are easy to when implementing these means realize, therefore, no longer concrete to it in the present invention algorithmic formula repeats.