CN206156652U - Lift platform safety arrangement - Google Patents
Lift platform safety arrangement Download PDFInfo
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- CN206156652U CN206156652U CN201620706924.8U CN201620706924U CN206156652U CN 206156652 U CN206156652 U CN 206156652U CN 201620706924 U CN201620706924 U CN 201620706924U CN 206156652 U CN206156652 U CN 206156652U
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- Prior art keywords
- pressure sensor
- pulling force
- safety protection
- wire rope
- hoistable platform
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Abstract
The utility model provides a lift platform safety arrangement, include: a plurality of pressure sensor that set up in pairs install on carrying the wire rope who draws lift platform, pulling force that response wire rope received when promoting at lift platform, the clinometer sets up the edge at lift platform for detect lift platform's inclination, safety controller, with pressure sensor and clinometer are connected for acquire lift platform's charge number certificate according to wire rope's tension data according to pressure sensor, and arbitrary one among the lift platform's who records in response to charge number certificate and clinometer the inclination send warning standby signal to bee calling organ when surpassing the settlement scope, and send safe control signal and stop with opening of control motor to lift platform's wire rope 0, pressure sensor is other pressure formula pressure sensor. The utility model discloses a safety arrangement can report to the police when the platform takes place overload, unbalance loading and slope, increases lift platform's safety in utilization.
Description
Technical field
The utility model is related to hoistable platform technical field, and the safeguard protection in particular to a kind of hoistable platform is filled
Put.
Background technology
The simple structure of hoistable platform class product, it is easy to use, it is widely used in multiple industrial circles.But rise
The technical threshold of drop platform class product is low, and current hoistable platform class product generally existing protects safely not in place, automaticity
The low problem of low, safety coefficient, overload is limited to be realized by safety management, to the personnel that work on hoistable platform and entrained
Equipment, instrument are controlled, to reach purpose of the full payload less than rated load, so as to realize overload protection, completely since
Behavior adjustment management is intervened, and there are security breaches；Meanwhile, the unequal protection of hoistable platform by equipment itself synchronism with set
Standby performance guarantee balance, once equipment fault, it would be possible to device inclined is caused, is caused danger.
Utility model content
The utility model purpose is to provide a kind of lifting platform safety protection device, may be implemented in the work(of multiple spot Heave Here
Can switch, and realize that lifting capacity limits protection and inclined degree is controlled by hoistable platform full payload, prevent lifting flat
Platform angle of inclination is exceeded.
Above-mentioned purpose of the present utility model realized by the technical characteristic of independent claims, and dependent claims are selecting else
Or favourable mode develops the technical characteristic of independent claims.
To reach above-mentioned purpose, the utility model proposes a kind of lifting platform safety protection device, the hoistable platform passes through
One Motor drive is simultaneously lifted by steel wire rope, and the safety guard includes：
The multiple pressure sensors being arranged in pairs, on the steel wire rope to lift hoistable platform, for sensing steel
The cord pulling force suffered when hoistable platform is elevated；
Inclinator, is arranged on the edge of hoistable platform, for detecting the angle of inclination of hoistable platform；
Safety protection controller, is connected with the pressure sensor and inclinator, for according to pressure sensor according to steel
The load data of the pulling force data acquisition hoistable platform of cord, and the hoistable platform measured in response to load data and inclinator
When any one in angle of inclination exceeds setting range, alarm signal is sent to buzzer, and send security control
The electric machine controller of signal to hoistable platform is with the start and stop of controlled motor；
Wherein, the pressure sensor is side-compression pressure sensor, and its inside has directive wheel and foil gauge, the steel
Cord is fixed on pressure sensor by U-bolt, when steel wire rope receives pulling force, the guiding that power passes through pressure sensor inside
Wheel is acted on foil gauge, so as to detect the pulling force on steel wire rope.
In further embodiment, pulling force is provided with the safety protection controller and is calculated and control unit and list of reporting to the police
Unit, the result that pulling force calculating is detected with control unit according to multiple pressure sensors simultaneously carries out being taken absolute value after adding up, and is risen
Drop platform magnitude of load, and any one in the load data and angle of inclination exceed setting range when to lifting
The electric machine controller of platform sends motor control signal；Alarm unit is used for appointing in the load data and angle of inclination
Meaning one sends alarm signal when exceeding setting range.
In further embodiment, the safety protection controller also includes that multichannel pmultiple amplifier and AD conversion dress change the outfit
Put, in multichannel pmultiple amplifier per be connected with a pressure sensor all the way, AD conversion converter device be connected to multichannel pmultiple amplifier and
Pulling force calculate and control unit between, for will after pulling force data analog-to-digital conversion send into pulling force calculate with control unit at
Reason.
In further embodiment, the side-compression pressure sensor is double hole shear girder construction.
Compared with prior art, remarkable advantage of the present utility model is：
1st, fundamentally prevent hoistable platform overload, the generation of unbalance loading phenomenon, increased the safety in utilization of hoistable platform,
Eliminate overload, the unbalance loading harm that brings of construction；
2nd, the play of hoistable platform pavement bed board is effectively prevented, the generation of hoistable platform entirety capsizing case is prevented, enters one
Walk the safe handling of enhanced hoistable platform；
3rd, safety guard dependable performance of the present utility model, safe, effectively compensate for the safety of production unit
Administrative vulnerability.
As long as it should be appreciated that all combinations of aforementioned concepts and the extra design for describing in greater detail below are at this
A part for the utility model theme of the disclosure is can be viewed as in the case that the design of sample is not conflicting.In addition, wanting
Ask the theme of protection all combinations be considered as the disclosure utility model theme a part.
The foregoing and other side of the utility model teaching can be more fully appreciated with from the following description with reference to accompanying drawing
Face, embodiment and feature.The feature and/or beneficial effect of other additional aspects such as illustrative embodiments of the present utility model
To be obvious in the following description, or learn in the practice by the specific embodiment instructed according to the utility model.
Description of the drawings
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, identical or approximately uniform group of each for illustrating in each figure
Can be indicated by the same numeral into part.For clarity, in each figure, not each part is labeled.
Now, by example and the embodiment of various aspects of the present utility model will be described in reference to the drawings, wherein：
Fig. 1 is the schematic diagram of the lifting platform safety protection device of the utility model some embodiments.
Fig. 2 is the schematic diagram of the pressure sensor of the utility model some embodiments.
Fig. 3 is the schematic diagram of the safety protection controller of the utility model some embodiments.
Specific embodiment
In order to know more about technology contents of the present utility model, especially exemplified by specific embodiment and institute's accompanying drawings are coordinated to be described as follows.
Each side of the present utility model is described with reference in the disclosure, shown in the drawings of the enforcement of many explanations
Example.Embodiment of the disclosure must not be intended to include all aspects of the present utility model.It should be appreciated that various structures presented hereinbefore
Think and embodiment, and describe in more detail below those design and embodiment can in many ways in any one
To implement, this is because design disclosed in the utility model and embodiment are not limited to any embodiment.In addition, this practicality
New disclosed some aspects can be used alone, or otherwise any appropriately combined next with disclosed in the utility model
Use.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of lifting platform safety protection device, hoistable platform passes through a Motor drive
And lifted by steel wire rope, the safety guard includes：The multiple pressure sensors 1 being arranged in pairs, installed in
On the steel wire rope of lifting hoistable platform, the pulling force suffered when hoistable platform is elevated for sensing steel wire rope；Inclinator 2,
The edge of hoistable platform is arranged on, for detecting the angle of inclination of hoistable platform；Safety protection controller 3, with the pressure
Sensor and inclinator connect, for obtaining the charge number of hoistable platform according to the pulling force data of steel wire rope according to pressure sensor
According to, and any one in the angle of inclination of the hoistable platform measured in response to load data and inclinator exceeds setting range
When, alarm signal is sent to buzzer, and the electric machine controller of safe control signal to hoistable platform is sent to control
The start and stop of motor.
For example, when load reaches the 90% of setting load, buzzer is discontinuously reported to the police, and yellow indicator lamp is bright；When load reaches
During to set load 105%, the interrupted alert frequency of buzzer is accelerated, and red colored lamp is bright, controls the time delay actuating of relay in one second, control
Electric machine controller processed, so as to the stopping of controlled motor；When load reaches the 110% of setting load, buzzer yowls, and redness refers to
Show that lamp is bright, control relay action immediately, controlled motor controller, so as to the stopping of controlled motor, control loop disconnects.
Angle of inclination is compared with set angle angle value, when actual tilt angles angle value is more than 3 °, buzzer is discontinuously reported
Alert, red colored lamp is bright, controls the time delay actuating of relay in one second, controlled motor controller, so as to the stopping of controlled motor.
In the present embodiment, with reference to Fig. 2, the pressure sensor 1 is side-compression pressure sensor, and it is internal with directive wheel
And foil gauge, the steel wire rope is fixed on pressure sensor by U-bolt, and when steel wire rope receives pulling force, power passes through pressure
The directive wheel of sensor internal is acted on foil gauge, so as to detect the pulling force on steel wire rope.
It is provided with pulling force in the safety protection controller with reference to described in Fig. 3 to calculate and control unit and alarm unit, tensiometer
The result that detected according to multiple pressure sensors with control unit of calculation simultaneously carries out being taken absolute value after adding up, and obtains the load of hoistable platform
Lotus size, and any one in the load data and angle of inclination exceed setting range when to hoistable platform motor
Controller sends motor control signal；Alarm unit exceeds for any one in the load data and angle of inclination
Alarm signal is sent during setting range.
The safety protection controller 3 also includes multichannel pmultiple amplifier and AD conversion converter device, in multichannel pmultiple amplifier
Every to be connected with a pressure sensor all the way, AD conversion converter device is connected to multichannel pmultiple amplifier and calculates with pulling force and control unit
Between, processed with control unit for pulling force calculating will to be sent into after pulling force data analog-to-digital conversion.
With reference to Fig. 2, the side-compression pressure sensor is double hole shear girder construction.
As Fig. 1,3, the lifting platform safety protection device also include display screen 3a, with pulling force calculate with control unit connect
Connect, for showing the state at the load data and angle of inclination according to the comparison result of safety protection controller.
The lifting platform safety protection device also includes buzzer, calculates with the pulling force and is connected with control unit, uses
Alarm sound is sent in the comparison result according to safety protection controller.
With reference to shown in Fig. 1, lifting platform safety protection device also includes input button 3b, calculates with pulling force and control unit
Connection, for setting the amount of load for user input.
With reference to diagram and the scheme of foregoing teachings description, under lifting platform safety protection device of the present utility model has
State function and remarkable result：
1st, possess the function of various working any switching laws, according to hoistable platform feature, be capable of achieving, 8 points 3 kinds of works at 4 points at 6 points
Any switching laws of condition, measurement；
2nd, possess the function of limiting real load, when real load reaches the 90% of predetermined load, system alarm；Work as reality
When border load reaches the 105% of predetermined load, system alarm after time delay 1 second, exports overload signal, cutting-off controlling circuit；
3rd, possesses the function of measuring single Heave Here real load, when single suspension centre real load reaches predetermined load
When 90%, system alarm；When single suspension centre real load reaches the 105% of predetermined load, system alarm is defeated after time delay 1 second
Go out overload signal, cutting-off controlling circuit；
4th, possesses the function at measurement hoistable platform angle of inclination, when hoistable platform angle of inclination in any direction is more than 3 °
When, the lifting platform safety protection device can in time send alarm signal.
Although the utility model is disclosed above with preferred embodiment, so it is not limited to the utility model.This reality
New those of ordinary skill in the art is used, it is each when making in without departing from spirit and scope of the present utility model
The change planted and retouching.Therefore, protection domain of the present utility model is worked as and is defined depending on those as defined in claim.
Claims (7)
1. a kind of lifting platform safety protection device, the hoistable platform is lifted by a Motor drive and by steel wire rope,
Characterized in that, the safety guard includes：
The multiple pressure sensors being arranged in pairs, on the steel wire rope to lift hoistable platform, for sensing steel wire rope
The suffered pulling force when hoistable platform is elevated；
Inclinator, is arranged on the edge of hoistable platform, for detecting the angle of inclination of hoistable platform；
Safety protection controller, is connected with the pressure sensor and inclinator, for according to pressure sensor according to steel wire rope
Pulling force data obtain the load data of hoistable platform, and the inclination of the hoistable platform measured in response to load data and inclinator
When any one in angle exceeds setting range, alarm signal is sent to buzzer, and send safe control signal
Electric machine controller to hoistable platform is with the start and stop of controlled motor；
Wherein, the pressure sensor is side-compression pressure sensor, and its inside has directive wheel and foil gauge, the steel wire rope
It is fixed on pressure sensor by U-bolt, when steel wire rope receives pulling force, the guiding crop rotation that power passes through pressure sensor inside
For foil gauge, so as to detect the pulling force on steel wire rope.
2. lifting platform safety protection device according to claim 1, it is characterised in that in the safety protection controller
It is provided with pulling force to calculate and control unit and alarm unit, pulling force calculating is detected with control unit according to multiple pressure sensors
As a result and carry out it is cumulative after take absolute value, obtain the magnitude of load of hoistable platform, and according to the load data and angle of inclination
In any one exceed setting range when to hoistable platform electric machine controller send motor control signal；Alarm unit is used for
Any one in the load data and angle of inclination sends alarm signal when exceeding setting range.
3. lifting platform safety protection device according to claim 2, it is characterised in that the safety protection controller is also
Including multichannel pmultiple amplifier and AD conversion converter device, in multichannel pmultiple amplifier per being connected with a pressure sensor all the way, AD
Conversion converter device is connected to multichannel pmultiple amplifier and pulling force is calculated and control unit between, for by after pulling force data analog-to-digital conversion
Send into pulling force calculating to be processed with control unit.
4. lifting platform safety protection device according to claim 1, it is characterised in that the side-compression pressure sensor
For double hole shear girder construction.
5. lifting platform safety protection device according to claim 2, it is characterised in that the lifting platform safety protection
Device also includes display screen, calculates with the pulling force and is connected with control unit, for being tied according to the comparison of safety protection controller
Fruit shows the state at the load data and angle of inclination.
6. lifting platform safety protection device according to claim 2, it is characterised in that the lifting platform safety protection
Device also includes buzzer, calculates with the pulling force and is connected with control unit, for being tied according to the comparison of safety protection controller
Fruit sends alarm sound.
7. lifting platform safety protection device according to claim 2, it is characterised in that institute's lifting platform safety is protected
Protection unit also includes input button, calculates with the pulling force and is connected with control unit, for setting the amount of load for user input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706924.8U CN206156652U (en) | 2016-07-06 | 2016-07-06 | Lift platform safety arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706924.8U CN206156652U (en) | 2016-07-06 | 2016-07-06 | Lift platform safety arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206156652U true CN206156652U (en) | 2017-05-10 |
Family
ID=58646600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620706924.8U Active CN206156652U (en) | 2016-07-06 | 2016-07-06 | Lift platform safety arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN206156652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923561A (en) * | 2016-07-06 | 2016-09-07 | 南京晨光集团有限责任公司 | Safety protection device for lifting platform |
-
2016
- 2016-07-06 CN CN201620706924.8U patent/CN206156652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923561A (en) * | 2016-07-06 | 2016-09-07 | 南京晨光集团有限责任公司 | Safety protection device for lifting platform |
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