CN2703743Y - Platform automatic door structure - Google Patents
Platform automatic door structure Download PDFInfo
- Publication number
- CN2703743Y CN2703743Y CN 200420023729 CN200420023729U CN2703743Y CN 2703743 Y CN2703743 Y CN 2703743Y CN 200420023729 CN200420023729 CN 200420023729 CN 200420023729 U CN200420023729 U CN 200420023729U CN 2703743 Y CN2703743 Y CN 2703743Y
- Authority
- CN
- China
- Prior art keywords
- platform
- door
- doorframe
- pivoted arm
- arm
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a platform automatic door structure which is used for the safety protection of the accessing platform of the construction lifter. After the lifter leaves the parking platform, the protection door is automatically closed, and the safety accident that personnel or goods crash in the well of the lifter when the protection door is not closed in time is avoided. The platform automatic door structure comprises a doorframe, an automatic resetting swinging door which is arranged on the doorframe and an automatic mechanism, and the automatic mechanism comprises an outer rotating arm, an inner rotating arm and a press plate which do the lifting movement and can touch the outer rotating arm. The inner and outer rotating arms are provided with springs, and a linkage piece is connected between the two arms. The front part of the free end of the inner rotating arm is provided with a limit stop, and one side of the lower part of the limit stop which faces the swinging door is a slope. The automatic mechanism which is linked with the lifter limits returning of the swinging door or relieves the limitation, which ensures that the swinging door can be automatically closed after the hanging cage of the lifter leaves the platform. The personal casualty and the economic loss arose by the accident are avoided.
Description
[affiliated technical field]
The utility model is used for the safety precaution of building hoist flat-bed, the particularly a kind of and matching used platform automatic door structure of elevator.
[background technology]
Elevator is the vertical means of delivery a kind of commonly used on the building site, usually be divided into fortune people and material two big classes, it comprise one by hard ware be barricaded as next-door neighbour's building vertical elevator shaft and can be in motor-pumped well vertically elevator craning cage, and each floor all has a discrepancy platform, and corresponding safety protective door is installed on the platform.But how existing Terrace prevention door closes manually, elevator craning cage leaves behind the floor platform as does not in time close protective door, the personnel that may cause are strayed into or fall during shipment into falling motor-pumped well, cause safety misadventure, cause serious personal casualty and economic loss.
[utility model content]
Technical problem to be solved in the utility model is the defective that overcomes prior art, provides a kind of after elevator craning cage leaves stopping platform, the platform automatic door structure that the Terrace prevention door is closed immediately.
The technical scheme that the prior art problem that solves the utility model is adopted is: a kind of platform automatic door structure, comprise the automatic-reset spring door on doorframe and the doorframe, it is characterized in that also comprising an automechanism, this automechanism comprises outer pivoted arm, cock arm, and make lifting action and can touch pressing plate to outer pivoted arm, all be equipped with on the described inside and outside pivoted arm between spring and two arms and be connected with moving part, cock arm free end front portion is provided with block, and the block bottom surfaces is the inclined-plane towards a side of single or double acting door.Its center platen can be directly installed on the elevator craning cage, and outer pivoted arm is installed on the elevator derrick, and cock arm is installed on the doorframe, is equipped with spring on the inside and outside pivoted arm respectively and is connected with elevator shaft with doorframe.When elevator craning cage when the platform, pressing plate is thereupon near outer pivoted arm, promoting outer pivoted arm inwardly rotates, the spring that be installed on the outer pivoted arm this moment is compressed, outer pivoted arm drives cock arm by moving part and rotates when rotating, the block that is fixed on the cock arm also moves downward with cock arm, is installed on the spring elongation on the cock arm, and block is parked in single or double acting door and opens on the stroke of process.Because it is the inclined-plane that block faces a side of door, pull single or double acting door, single or double acting door rotates up to contacting with block, by the inclined-plane on the block with block together with cock arm jack-up slightly upwards, the single or double acting door rotating opening, block falls after single or double acting door turns over this position once more, but a side of running into the block slope-less when single or double acting door turns round automatically is blocked, can't continue rotary closure, make things convenient for personnel to pass in and out elevator craning cage or shipment.After personnel turnover or shipment finish, elevator craning cage sails out of platform, pressing plate is also away from outer pivoted arm, be installed on the spring reset elongation that is connecting the elevator derrick on the outer pivoted arm this moment, promote outer pivoted arm and outwards rotate, outer pivoted arm drives cock arm by moving part and upwards goes back to initial position, moves away single or double acting door on the block, the length of spring compressed that is installed on the cock arm shortens, the automatic rotary closure of single or double acting door.
Moving part described in the utility model is one to be enclosed within the stone dead wire in the flexible pipe.Make inside and outside pivoted arm interlock by stone dead wire, outer pivoted arm rotates tension or loosens stone dead wire, and the stone dead wire other end is strained equally or loosened, and cock arm is rotated, and the relative single or double acting door of block moves up and down, and stops that the return of single or double acting door is closed.The stone dead wire of band flexible pipe is convenient to install in narrow and small workyard, even bending does not influence the effect that it makes inside and outside pivoted arm interlock yet.
Outer pivoted arm described in the utility model is provided with roller.Elevator craning cage is when the platform, pressing plate inwardly rotates by promoting outer pivoted arm with contacting of roller, when avoiding elevator craning cage to drop to platform pressing plate is pushed down outer pivoted arm and it is outwards rotated lose original actuation effect, goes back actv. simultaneously and has reduced the friction that pressing plate contacts with outer pivoted arm and the noise of generation.
Close on single or double acting door one side on the doorframe described in the utility model and be provided with magnetic part, this magnetic part can be permanent magnet or electromagnet.By this magnetic part is set, when the single or double acting door return close Shi Buhui because the spring restoring force is excessive repeatedly knocking door case just stop, because the suction single or double acting door of magnetic part once cuts out after revolution and puts in place, reduce the ear-piercing noise that the bump to doorframe brings, construction environment is quieter.
The utility model is rational in infrastructure, limit or lift restrictions by the return of single or double acting door being closed with the automechanism of elevator craning cage interlock, guarantee after elevator craning cage leaves stopping platform, single or double acting door SELF CL on the platform, personnel or goods have been eliminated from fall potential danger in elevator shaft of platform inlet, accident causes beyond having avoided personal casualty and economic loss.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
[description of drawings]
Fig. 1: structural representation of the present utility model.
Fig. 2: block running condition figure.
Fig. 3: magnetic part running condition figure.
Among the figure: 1-1. doorframe, 1-2. single or double acting door, 2. pressing plate, 3. outer pivoted arm, 4. cock arm, 5-1. stone dead wire, 5-2. flexible pipe, 6-1. block, 6-2. inclined-plane, 7. roller, 8. outer spring, 9. inner spring, 10. magnetic part.
[specific embodiment]
As shown in the figure, the utility model comprises doorframe 1-1 that is installed on each floor discrepancy platform and the single or double acting door 1-2 that matches, be located at the automechanism on platform and the elevator, this automechanism comprises the pressing plate 2 that is located at elevator craning cage one side, be positioned on the elevator derrick by the outer pivoted arm 3 of pressing plate promotion and the cock arm 4 on the doorframe 1-1, in, connect by a stone dead wire 5-1 who is with flexible pipe 5-2 between the outer pivoted arm, be provided with separately on two pivoted arms and elevator derrick and doorframe bonded assembly outer spring 8 and inner spring 9, roller 7 is housed on the outer pivoted arm, cock arm 4 free end bottoms are provided with the block 6-1 with the pivoted arm one, one side of block bottom propylaeum is inclined-plane 6-2, closes on single or double acting door one side on the doorframe 1-1 magnetic part 10 also is installed.
Use is as follows: when the close platform of elevator craning cage, the pressing plate 2 that is arranged on the elevator craning cage outer wall contacts with roller 7, with closing on of elevator craning cage, pressing plate 2 squeezes the roller pressure gradually and promotes outer pivoted arm 3 and rotates to platform one side, and this moment, outer spring 8 was compressed distortion, loosened with outer pivoted arm bonded assembly stone dead wire 5-1 indentation in flexible pipe 5-2, the other end of stone dead wire also loosens thereupon, originally compressed inner spring 9 expansion elongations promote cock arm 9 and rotate, and block 6-1 moves down with cock arm.With pulling out single or double acting door 1-2, because a side of block 6-1 opposite house is inclined-plane 6-2, single or double acting door continues to open around rotating, utilize inclined-plane 6-2 with block 6-1 and cock arm 4 jack-up slightly upwards, single or double acting door 1-2 opens fully, this moment, cock arm 4 and block 6-1 fell immediately in original position, can't rotary closure but blocked by block 6-1 during single or double acting door 1 self-return, and personnel just can pass in and out or load and transport material.When elevator craning cage leaves stopping platform, pressing plate 2 is also thereupon away from roller 7, the elongation that resets of previous outer spring 8 by compression, outer pivoted arm 3 is pushed away rotation laterally, outer pivoted arm 3 rotates tension stone dead wire 5-1, the other end of stone dead wire also tightens up thereupon, driving cock arm 4 upwards rotates, cock arm 4 moves up (because the rotation amplitude of cock arm is very little together with block 6-1, so moving about being considered as), this moment, inner spring 9 was compressed, and the single or double acting door 1 that has before headed on block 6-1 opposite side is because spacing block 6-1 leaves, rely on the elastic force revolution of single or double acting door self, and inhale to close mutually and put in place with the magnetic part 10 on the doorframe.In addition, all be provided with the governing screw (not shown) of regulating spring tensioning degree on the inside and outside spring, so that use rear spring elasticity to change the normal use of influence for a long time; Block also can be arranged to the revolution that single or double acting door is convenient on corresponding inclined-plane back to the opposite side on inclined-plane.
Claims (5)
1, a kind of platform automatic door structure, comprise the automatic-reset spring door (1-2) on doorframe (1-1) and the doorframe, it is characterized in that also comprising an automechanism, this automechanism comprises outer pivoted arm (3), cock arm (4), and make lifting action and can touch pressing plate (2) to outer pivoted arm (3), all be equipped with on the described inside and outside pivoted arm between spring and two arms and be connected with moving part, cock arm (4) free end front portion is provided with block (6-1), and the block bottom is inclined-plane (6-2) to a side of single or double acting door.
2, platform automatic door structure according to claim 1 is characterized in that described moving part is one to be enclosed within the stone dead wire (5-1) in the flexible pipe (5-2).
3, platform automatic door structure according to claim 1 and 2 is characterized in that described outer pivoted arm (3) is provided with roller (7).
4, platform automatic door structure according to claim 1 and 2 is characterized in that closing on the described doorframe (1-1) single or double acting door (1-2) side and is provided with magnetic part (10).
5, platform automatic door structure according to claim 3 is characterized in that closing on the described doorframe (1-1) single or double acting door (1-2) side and is provided with magnetic part (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023729 CN2703743Y (en) | 2004-06-07 | 2004-06-07 | Platform automatic door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023729 CN2703743Y (en) | 2004-06-07 | 2004-06-07 | Platform automatic door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2703743Y true CN2703743Y (en) | 2005-06-08 |
Family
ID=34770743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420023729 Expired - Fee Related CN2703743Y (en) | 2004-06-07 | 2004-06-07 | Platform automatic door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2703743Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558211B (en) * | 2006-12-11 | 2011-06-15 | 里卡多·罗德里格斯费尔南德斯 | Flexible trap door for access platforms |
| CN110803604A (en) * | 2019-10-24 | 2020-02-18 | 广州市第三建筑工程有限公司 | Mechanical locking mechanism and electromechanical interlocking cage |
| CN111547606A (en) * | 2020-05-21 | 2020-08-18 | 中元建设集团股份有限公司 | Protective door linkage device of material hoister |
-
2004
- 2004-06-07 CN CN 200420023729 patent/CN2703743Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558211B (en) * | 2006-12-11 | 2011-06-15 | 里卡多·罗德里格斯费尔南德斯 | Flexible trap door for access platforms |
| CN110803604A (en) * | 2019-10-24 | 2020-02-18 | 广州市第三建筑工程有限公司 | Mechanical locking mechanism and electromechanical interlocking cage |
| CN111547606A (en) * | 2020-05-21 | 2020-08-18 | 中元建设集团股份有限公司 | Protective door linkage device of material hoister |
| CN111547606B (en) * | 2020-05-21 | 2022-02-18 | 中元建设集团股份有限公司 | Protective door linkage device of material hoister |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |