CN2630385Y

CN2630385Y - Safety protective door of discharge platform of lift elevator for building construction

Info

Publication number: CN2630385Y
Application number: CN 03259572
Authority: CN
Inventors: 孙振刚; 濮建明; 曹益飞
Original assignee: XUSHI BUILDING CO Ltd CHANGSHU CITY
Current assignee: XUSHI BUILDING CO Ltd CHANGSHU CITY
Priority date: 2003-07-10
Filing date: 2003-07-10
Publication date: 2004-08-04
Anticipated expiration: 2013-07-10

Abstract

The safe protective door for lifting and unloading platforms used in building construction belongs to a safe protective construction facility, which is arranged at the storey access or the unloading platform where the building and the elevator join. The safe protective door comprises a door frame, a door brake slip, a door brake slip lifting mechanism and an automatic door closing mechanism; wherein, the automatic door closing mechanism comprises a hook base, a hook, a single-direction leverage and a fender; the hook base is fastened to the upper frame of the doorframe and is provided with a hook pivot on the top. The single-direction leverage is hinged on the hook, which is corresponding and matching with a fender, while the fender is fixed on the door of the construction elevator. The utility model has the advantages that the door can be timely closed when people leave the elevator so that the hidden dangers can be avoided completely.

Description

The safety protective door of architecture construction elevator discharging platform

Technical field

The utility model relates to a kind of safety protective door of architecture construction elevator discharging platform, is installed in the join floor of edge of building and elevator and imports and exports passage and claim the discharging platform place again, plays the security protection effect, belongs to the security protection facility in the building operations.

Background technology

The import and export passage custom that building in the capital construction process is connected with elevator is referred to as discharging platform, and this discharging platform belongs to the key protection position in the operation process.In " construction safety check criteria " JGJ59-99 standard of Ministry of Construction's promulgation, stipulate that clearly every layer of discharging platform belongs to the safety assurance project.In view of this, unit in charge of construction all is provided with safety protective door at this position.Yet,, therefore in the use of reality, do not rarely have and forgotten to close the door after opening the door because the opening and closing that are used for the safety protective door of above-mentioned occasion at present all are to finish by construction worker's conscious behavior and with manual mode.Forget that closing the door one is due to the carelessness, the 2nd, greedy lazyness makes so.Close the construction worker caused after opening falls from discharging platform and causes injury and even dead tragedy happens occasionally because of safety protective door.When the manned material containing of building elevator is raised to certain floor discharging platform place, the construction worker must give earlier and open elevator ladder cage door, opens the safety protective door of being located at the discharging platform place again, otherwise can't enter this floor construction.Problem is, when the construction worker shouldering instrument or pushing away mortar and so on is housed truck after terraced cage enters floor, find sth. annoying or trying trivial and the closed safe protective door of not whipping, so elevator rise toward or drop to other floor after, that discharging platform that does not give the closed safe protective door has just formed communicate with the external world unobstructed uncovered naturally, gives accidents caused hiding some dangers for.Can yet be regarded as with electric automatic control mode On/Off safety protective door is a kind of good way, but, through facts have proved, the reliability that electric is controlled the On/Off safety protective door automatically is an extreme difference, and the construction site environment is abominable still more, situation is complicated.Therefore automatic device does not generally allow to be applied to this occasion.If accrediting a workman who specially takes charge of the On/Off safety protective door at the discharging platform place of each floor perhaps can provide against hidden trouble, but this had been not only extremely unrealistic for any one building unit, but also can't accomplish at all, at first, can cause waste of manpower resource, main is that the operative employee who specially takes charge of the On/Off safety protective door has been in extremely dangerous post virtually, and himself also is difficult to ensure safely.

Summary of the invention

Task of the present utility model be to provide a kind of the people walk terraced from the time safety protective door of ground architecture construction elevator discharging platform that door is closed, that thoroughly provide against hidden trouble can the utmost point time.

Task of the present utility model is finished like this, a kind of safety protective door of architecture construction elevator discharging platform, and it comprises doorframe, door brake lining 11, door brake lining raising/lowering mechanism.It also includes a mechanical type door engine structure, this mechanical type door engine structure comprises hook base 4, hook 5, unidirectional lever 1, retaining pin 7, hook base 4 is fixed on the upper ledge 6 of doorframe, hook 5 is hubbed on the hook base 4, unidirectional lever 1 is hinged on hook 5, corresponding with retaining pin 7 and match, retaining pin 7 is fixed on the elevator door 8 of engineering construction elevator 25.

Hook base 4 of the present utility model is a pair of cantilever construction, outstanding in parallel to each other solid central part place at upper ledge 6.

The shape of hook 5 of the present utility model becomes

Shape, the middle part and a pair of hook base 4 lower ends of its upper end are pivoted, and between a pair of hook base 4.

Unidirectional thick stick stalk 1 of the present utility model is being formed with corner 9 and fillet 10 respectively with hook 5 ends that are articulated.

The utlity model has the people to walk in elevator enters floor building and a door brake lining 11 still is under the opening, along with ascending for elevator/descending leaves when closing terraced cage door before this stop floor, act on unidirectional thick stick stalk 1 by the retaining pin 7 on the elevator door 8, by unidirectional lever 1 curved hook 5 is flipped an angle, make the door brake lining 11 of hook on it leave hook 5 and fall, realize closing automatically, with the advantage that provides against hidden trouble at all.

Accompanying drawing and drawing explanation

Fig. 1 is arranged at the example structure figure at discharging platform 26 places for the utility model.

Fig. 2 is retaining pin 7 described in the utility model, unidirectional lever 1, hook 5 schematic diagrames that cooperatively interact.

Illustration is implemented in the use more specifically that Fig. 3 matches with engineering construction elevator 25 for the utility model.

The specific embodiment

Please refer to Fig. 1, doorframe described in the utility model comprises upper and lower frame 6,17 and left and

right frame

20,14, and respectively disposes in order to the scaffold 15 with the architecture construction scene on left and

right frame

20,14 and fix at securing member 22.In addition, on left and

right frame

20,14, also be equipped with opposite house brake lining 11 and realize spacing

intermediate plate

18,16.

See also Fig. 2, hook base 4 forms the upper ledge 6 centre positions place of cantilever constructions ground solid weldings at doorframe, and hook 5 is hubbed on the lower end of hook base 5 by hook axle 3, and between two hook bases 4.It is hinged with hook 5 that unidirectional lever 1 usefulness bearing pin 2 passes axis hole 13, because unidirectional lever 1 is being formed with corner 9 and fillet 10 respectively with hook 5 ends that are hinged, therefore as can be known according to this structure setting, when elevator door 8 pulls down when closing, drive unidirectional lever 1 by the retaining pin of fixing on it of the present utility model 7, because of the existence of the corner 9 on the unidirectional lever 1, make unidirectional lever 1 and hook 5 form a straight line, forcing hook 5 is that the center rotates to an angle with hook axle 3.Make the door brake lining 11 of hook on it deviate from the hook portion of hook 5 and fall.Under the state of 11 times backwardnesss of door brake lining, even engineering construction elevator 25 uplink and downlink are located through this, drive unidirectional lever 1 by retaining pin 7, but any effect does not take place, door brake lining 11 hooks because link up with 5.

Please continue to see Fig. 2, door brake lining raising/lowering mechanism described in the utility model, comprise a pair of pulley 23,12 and a pair of balance weight 19 and a pair of balance rope 21, pulley 23,12 is installed in the top of left and

right frame

20,14, two balance ropes 21 are enclosed within on the pulley 23,12, each end is solid mutually with balance weight 19, and each other end is solid mutually with door two bights, brake lining 11 tops.

See also Fig. 3, engineering construction elevator 25 is installed on the elevator frame 24, when engineering construction elevator 25 is raised to certain floor, open terraced cage behind the door, the people is a safety protective door for opening a brake lining 11 again, and a brake lining 11 is hooked on the hook 5, after personnel enter floor, because all to be provided with thresholding originally is switch to engineering construction elevator 25, therefore, only closed terraced cage behind the door cage could rise/descend.And the closing of brake lining 11 of door of artificially being opened and still be placed on the hook 5 realized closing automatically like this, when the elevator door 8 of construction works elevator 25 claims terraced cage door again at closing time, retaining pin 7 just moves down, thereby spur unidirectional lever 1, whole hook 5 is turned an angle around hook axle 3, hook 5 is sloughed the door brake lining 11 of first front hook on it, and is slowly glided and closed by the deadweight of door brake lining 11---be plugged in the discharging platform entablature.In addition, when the operation personnel when floor advances engineering construction elevator 25, the principle of its self-closing doors brake lining 11 is the same.Aforementioned, be under the closed condition at door brake lining 11, even retaining pin 7 drives unidirectional lever 1, be inoperative therefore because hook 5 is not being linked up with door brake lining 11 this moment.

Claims

1, a kind of safety protective door of architecture construction elevator discharging platform, it comprises doorframe, door brake lining (11), door brake lining raising/lowering mechanism, it is characterized in that it also includes a mechanical type door engine structure, this mechanical type door engine structure comprises hook base (4), hook (5), unidirectional lever (1), retaining pin (7), hook base (4) is fixed on the upper ledge (6) of doorframe, hook (5) is hubbed on the hook base (4), unidirectional lever 1 is hinged on hook (5), corresponding and match with retaining pin (7), retaining pin (7) is fixed on the elevator door (8) of engineering construction elevator (25).

2, the safety protective door of architecture construction elevator discharging platform according to claim 1 is characterized in that hook base (4) is a pair of cantilever construction, outstanding in parallel to each other solid central part place at upper ledge (6).

3, the safety protective door of architecture construction elevator discharging platform according to claim 1.The shape that it is characterized in that hook (5) becomes

Shape, the middle part and a pair of hook base (4) lower end of its upper end are pivoted, and are positioned between a pair of hook base (4).

4, the safety protective door of architecture construction elevator discharging platform according to claim 1 is characterized in that unidirectional lever (1) is being formed with corner (9) and fillet (10) respectively with the end that is articulated of hook (5).