CN108894707A - The rolling screen door of lift work platform - Google Patents
The rolling screen door of lift work platform Download PDFInfo
- Publication number
- CN108894707A CN108894707A CN201811013659.5A CN201811013659A CN108894707A CN 108894707 A CN108894707 A CN 108894707A CN 201811013659 A CN201811013659 A CN 201811013659A CN 108894707 A CN108894707 A CN 108894707A
- Authority
- CN
- China
- Prior art keywords
- work platform
- rolling screen
- lift work
- screen door
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/17076—Sealing or antirattling arrangements
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention relates to the rolling screen door of lift work platform, it includes the doorframe for being arranged on lift work platform framework and importing and exporting to every layer position, the door curtain that at the top of doorframe and can be furled is set, and the actuator that doorframe is closed by driving door curtain drops down, wherein it is equipped with to form the bumper of closed housing in door curtain bottom, it is arranged on bumper for monitoring the pressure sensor of air pressure change in cavity, and the PLC controller of the issued pressure changing information of pressure sensor can be received, wherein PLC controller is connected with actuator, after PLC controller obtains pressure sensor information, the instruction for stopping downlink and reversing reset and moving is assigned to actuator.In door closing course, encountering can stop after obstacle continuing closing the door and reversing reset movement the present invention, and then cargo damage and generation the phenomenon that injury to personnel caused by preventing because of shutdown, increase the safety in utilization of lift work platform, meanwhile, structure is simple, it is easy to implement and at low cost.
Description
Technical field
The invention belongs to lift work platform fields, and in particular to a kind of rolling screen door of lift work platform.
Background technique
It is well known that lift work platform is widely used in the transmitting of cargo, such as：Cargo location between two floors turns
Change, although, final purpose with using Cargo Lift conversion effect it is identical, used lift work platform compared with Cargo Lift, at
This lower, also installation at very convenient scene.
Currently, being directed to lift work platform, it is imported and exported in each floor equipped with one, then by the way of rolling screen door
Will inlet and outlet closure, the rolling screen door is as the car door of Cargo Lift, still, it is contemplated that rolling screen door using safe, such as
If being easy on the body for being pressed onto cargo or passenger, when occurring unexpected during shutdown or when operator does not pay attention to if not
Stop shutdown movement words in time, will cause cargo or the damage of personnel, safety wretched insufficiency.
Summary of the invention
It is flat the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of improved lift work
The rolling screen door of platform can stop the movement for continuing to close the door after encountering obstacle, and quickly return and reset in door closing course,
Cargo damage and generation the phenomenon that injury to personnel, increase the safety in utilization of lift work platform caused by preventing because of shutdown.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of rolling screen door of lift work platform comprising be arranged on lift work platform framework and to every layer of inlet and outlet position
Doorframe, the door curtain that at the top of doorframe and can be furled is set and drives the door curtain drops down actuator that is closed doorframe,
It is wherein equipped in door curtain bottom and to form the bumper of closed housing, be arranged on bumper for monitoring air pressure change in cavity
Pressure sensor and can receive pressure sensor issued pressure changing information PLC controller, wherein PLC control
Device processed is connected with actuator, after PLC controller obtains pressure sensor information, assigns to actuator and stops downlink and reversed
The instruction of resetting movement.
Preferably, the material of bumper be rubber or plastics, and the filler strip including extending along the door curtain width direction,
Sealing plate for being closed filler strip both ends, wherein sealing plate and filler strip and expansion when described in door curtain bottom constitute one closure
Cavity, after filler strip and other objects contact, air pressure changes in cavity, and pressure sensor feeds back to information described
PLC controller.
Further, bumper further includes the partition of setting in the cavity, and cavity is separated by partition in multiple points of chambers, and phase
It is interconnected between two points of adjacent chambers.On the one hand the sizing support of bumper is realized in the setting of partition, reinforce Anti-knocking performance,
It is also convenient for the reset of bumper simultaneously；On the other hand it is formed and divides chamber, once a certain point of chamber is squeezed, other divide the gas of chamber
Pressure can change significantly, to improve the susceptibility of pressure sensor.
Specifically, being formed with air-flow through-hole in the middle part of partition.
A specific implementation according to the present invention and preferred aspect, partition have two pieces, uniform along the length direction of filler strip
Distribution, cavity are divided into first point of chamber, second point of chamber and third along length direction and divide chamber.
Preferably, pressure sensor has two groups, and respectively corresponds setting and divide on chamber in first point of chamber and third.
Preferably, the section of bumper is in opening up U-shaped.
A specific implementation according to the present invention and preferred aspect, U-shaped width are equal to the thickness of door curtain, and U-shaped vertical
The length in portion is 2 ~ 3 times of bottom arc radius length.
Preferably, actuator includes winding the wireline reel of door curtain, the drive motor of forward and reverse rotation and for that will drive
The driving member of motor and wireline reel transmission connection.
In addition, rolling screen door further includes the contact-making switch being connected with every layer of lighting circuit, and when rolling screen door is opened, respective layer
Contact-making switch connection circuit, headlamp be in illuminates state；After rolling screen door closure, the contact-making switch open circuit of respective layer is shone
Bright lamp is in OFF state.
Due to the implementation of above technical scheme, the present invention has the following advantages that compared with prior art：
In door closing course, encountering can stop after obstacle continuing closing the door and reversing reset movement the present invention, so prevent because
Shutdown causes the generation of the phenomenon that cargo damage and injury to personnel, increases the safety in utilization of lift work platform, meanwhile, structure letter
It is single, it is easy to implement and at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to lift work platform of the present invention；
Fig. 2 is the structural schematic diagram of rolling screen door in Fig. 1；
Fig. 3 is the partial structurtes schematic front view of rolling screen door in Fig. 1；
Wherein：1, doorframe；2, door curtain；3, actuator；30, wireline reel；4, bumper；40, filler strip；41, sealing plate；42, partition；
42a, air-flow through-hole；A, cavity；A1, first point of chamber；A2, second point of chamber；A3, third divide chamber；5, pressure sensor.
Specific embodiment
The present invention will be further described in detail with specific embodiment with reference to the accompanying drawing.
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, be not offered as being uniquely to implement
Mode.
Referring to shown in Fig. 1 to Fig. 3, the present embodiment provides the rolling screen door of lift work platform comprising setting is made in lifting
The doorframe 1 of position is imported and exported on industry platform framework and to every layer, the door curtain 2 that at the top of doorframe 1 and can be furled is set and is driven
The actuator 3 that doorframe 1 is closed by dynamic 2 drops down of door curtain, wherein being equipped with the bumper to form closed housing in 2 bottom of door curtain
4, the pressure sensor 5 on bumper 4 for monitoring air pressure change in cavity is set and pressure sensor 5 can be received
Issued pressure changing information PLC controller, wherein PLC controller is connected with actuator 3, when PLC controller obtains
After 5 information of pressure sensor, the instruction for stopping downlink and reversing reset and moving is assigned to actuator 3.
Specifically, the material of bumper 4 is rubber or plastics, and the section of bumper 4 is in opening up U-shaped.
Further, U-shaped width is equal to the thickness of door curtain 2, and the length of U-shaped vertical portion is bottom arc radius length
2 ~ 3 times.Here, defining U-shaped specific proportionate relationship, be conducive to the molding of cavity, while after extruding, being advantageous to
Then the reset of bumper 4 more can effectively form door curtain and protect.
Specifically, bumper 4 includes the filler strip 40 extended along 2 width direction of door curtain, for closing 40 both ends of filler strip
The partition of the sealing plate 41 of conjunction and setting in the cavity, wherein 2 bottom of door curtain constitutes one after sealing plate 41 and filler strip 40 and expansion
The cavity a of a closure.After filler strip 40 and other objects contact, air pressure changes in cavity a, and pressure sensor 5 is by information
Feed back to PLC controller.
In this example, bumper further includes the partition 42 being arranged in cavity a, and it is in multiple points of chambers that cavity a is separated by partition 42,
And it is interconnected between two points of adjacent chambers.
Specifically, partition 42 there are two pieces, it is uniformly distributed along the length direction of filler strip 40, cavity a is along length side
Divide chamber a3 to first point of chamber a1, second point of chamber a2 and third is divided into.
Meanwhile it being formed with air-flow through-hole 42a at the middle part of partition 42, and therefore, first point of chamber a1, second point of chamber a2 and third
Divide the setting that is interconnected between chamber a3 three.
Then, applicant explains, on the one hand the sizing support of bumper is realized in the setting of partition 42, reinforces Anti-knocking
Performance, while being also convenient for the reset of bumper；On the other hand it is formed and divides chamber, once a certain point of chamber is squeezed, other points
The air pressure of chamber can change significantly, to improve the susceptibility of pressure sensor.
As for the setting of pressure sensor 5, it can be detection three and be divided to any one in chamber or two, in this example, pressure
Sensor 5 has two groups, and respectively corresponds setting and divide on chamber in first point of chamber and third.Here, there is setting for two groups of pressure sensors 5
It sets, mainly can be improved the sensitivity and accuracy of induction, prevent maloperation.
In addition, actuator 3 includes the drive motor of the wireline reel 30 of winding door curtain 2, forward and reverse rotation（It is not shown in figure）,
And the driving member for drive motor and wireline reel to be sequentially connected（It is not shown in figure）.
Here, although drive motor and driving member specific structure are not disclosed on figure, for this field, both
Conventional equipment, as for example common drive sprocket of driving member and drive pulley.
Then, above-mentioned rolling screen door further includes the contact-making switch being connected with every layer of lighting circuit（It is not shown in figure）, when
When rolling screen door is opened, the contact-making switch connection circuit of respective layer, headlamp, which is in, illuminates state；It is corresponding after rolling screen door closure
The contact-making switch open circuit of layer, headlamp are in OFF state.That is, the switch of rolling screen door is joined with lift work platform
Dynamic, Men Yikai, corresponding floor lamp just illuminates, and after door is closed 3-5s, corresponding floor lamp just extinguishes.
Finally, applicant is it should be noted that in this application, and when carrying platform reaches two layers by one layer, roller shutter
Door can automatically open, and when two layer operations effect shipment, press door close button, rolling screen door is automatically closed, platform downlink.If volume
Curtain door is not closed completely, then equipment cannot be run, and also ensures that interlocked with equipment in this way, improves safety in utilization, meanwhile,
In this example, although not being described in detail in place to whether rolling screen door is closed, its specific embodiment is this field
Common sense such as commonly touches mode, on doorframe and is respectively equipped with contact-making switch on door curtain, after two contact-making switches touch,
Indicate closure in place, wireline reel stop motion at this time also similarly is provided with contact-making switch in open position, passes through the side of contact
Formula judges whether to open in place.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes according to the present invention
The equivalent change or modification of work, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of rolling screen door of lift work platform comprising be arranged on lift work platform framework and to every layer of inlet and outlet position
The door curtain that at the top of the doorframe and can be furled is arranged in and the driving door curtain drops down will be described in the doorframe set
The actuator of doorframe closure, it is characterised in that：The door curtain bottom be equipped with to be formed closed housing bumper, setting exist
For monitoring the pressure sensor of air pressure change in the cavity and the pressure sensor can be received on the bumper
Issued pressure changing information PLC controller, wherein the PLC controller is connected with the actuator, when described
After PLC controller obtains the pressure sensor information, is assigned to the actuator and stop what downlink and reversing reset moved
Instruction.
2. the rolling screen door of lift work platform according to claim 1, it is characterised in that：The material of the bumper is
Rubber or plastics, and the filler strip including extending along the door curtain width direction, the envelope for being closed the filler strip both ends
Plate, wherein the door curtain bottom described in when the sealing plate and the filler strip and expansion constitutes the cavity of a closure, when the pad
After item is contacted with other objects, air pressure changes in the cavity, and the pressure sensor feeds back to information described
PLC controller.
3. the rolling screen door of lift work platform according to claim 2, it is characterised in that：The bumper further includes setting
Set partition in the cavity, it is in multiple points of chambers that the cavity is separated by the partition, and divide described in adjacent two chamber it
Between be interconnected.
4. the rolling screen door of lift work platform according to claim 3, it is characterised in that：It is formed at the middle part of the partition
There is air-flow through-hole.
5. the rolling screen door of lift work platform according to claim 3, it is characterised in that：The partition has two pieces, edge
The length direction of the filler strip be uniformly distributed, the cavity is divided into first point of chamber, second point along length direction
Chamber and third divide chamber.
6. the rolling screen door of lift work platform according to claim 5, it is characterised in that：The pressure sensor has two
Group, and respectively correspond setting and divide on chamber in first point of chamber and the third.
7. the rolling screen door of lift work platform according to claim 1, it is characterised in that：The section of the bumper is in
Opening up is U-shaped.
8. the rolling screen door of lift work platform according to claim 7, it is characterised in that：The U-shaped width is equal to
The thickness of door curtain, and the length of U-shaped vertical portion is 2 ~ 3 times of bottom arc radius length.
9. the rolling screen door of lift work platform according to claim 1, it is characterised in that：The actuator includes winding
The wireline reel of the door curtain, the drive motor of forward and reverse rotation and for the drive motor and the wireline reel to be driven
The driving member of connection.
10. the rolling screen door of lift work platform according to claim 1, it is characterised in that：The rolling screen door further includes
The contact-making switch being connected with every layer of lighting circuit, when the rolling screen door is opened, the contact-making switch of respective layer is connected to electricity
Road, headlamp, which is in, illuminates state；After rolling screen door closure, the contact-making switch open circuit of respective layer, headlamp is in
OFF state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013659.5A CN108894707A (en) | 2018-08-31 | 2018-08-31 | The rolling screen door of lift work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013659.5A CN108894707A (en) | 2018-08-31 | 2018-08-31 | The rolling screen door of lift work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108894707A true CN108894707A (en) | 2018-11-27 |
Family
ID=64358933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013659.5A Pending CN108894707A (en) | 2018-08-31 | 2018-08-31 | The rolling screen door of lift work platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894707A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658362Y (en) * | 2003-11-30 | 2004-11-24 | 余金凤 | Anti-clamp safety device of electric rolling shutter door |
| CN106193980A (en) * | 2016-08-31 | 2016-12-07 | 肖爱平 | One is hampered protector and shutter door |
| CN106401406A (en) * | 2016-08-26 | 2017-02-15 | 苏州霍曼洁净门业科技有限公司 | Zipper type high-speed door |
| CN206205747U (en) * | 2016-09-26 | 2017-05-31 | 江苏姑苏净化科技有限公司 | A kind of roller shutter automatically-controlled door |
| CN207144788U (en) * | 2017-09-15 | 2018-03-27 | 郑丽娟 | A kind of blocking protection device for electric rolling door |
-
2018
- 2018-08-31 CN CN201811013659.5A patent/CN108894707A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658362Y (en) * | 2003-11-30 | 2004-11-24 | 余金凤 | Anti-clamp safety device of electric rolling shutter door |
| CN106401406A (en) * | 2016-08-26 | 2017-02-15 | 苏州霍曼洁净门业科技有限公司 | Zipper type high-speed door |
| CN106193980A (en) * | 2016-08-31 | 2016-12-07 | 肖爱平 | One is hampered protector and shutter door |
| CN206205747U (en) * | 2016-09-26 | 2017-05-31 | 江苏姑苏净化科技有限公司 | A kind of roller shutter automatically-controlled door |
| CN207144788U (en) * | 2017-09-15 | 2018-03-27 | 郑丽娟 | A kind of blocking protection device for electric rolling door |
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