CN201737573U

CN201737573U - Landing door control device

Info

Publication number: CN201737573U
Application number: CN2010205008473U
Authority: CN
Inventors: 刘晓初; 解天宝; 王湘庆; 杨寿忠; 张天许
Original assignee: Chongqing Urban Construction Holdings Group Co Ltd
Current assignee: Chongqing Urban Construction Holdings Group Co Ltd
Priority date: 2010-08-23
Filing date: 2010-08-23
Publication date: 2011-02-09
Anticipated expiration: 2020-08-23

Abstract

The utility model relates to a door controlling a landing port of a in-out construction lifting elevator shaft way and aims at providing a landing door control device of a mechanical mechanism, and the landing door control device is characterized by simple structure, convenient assembly and disassembly and low cost and comprises: a hitting rod, a normally closed sliding pin, a normally opened sliding pin and a lift car hitting block, wherein the upper and lower parts of the normally closed sliding pin and the normally opened sliding pin are provided with inclined planes; the normally closed sliding pin and the normally opened sliding pin are both provided with elastic telescopic mechanisms; the hitting rod is provided with a resetting device and two inclined planes including one normally opened inclined plane and one normally closed inclined plane; an inclined plane at the lower part of the normally closed sliding pin is matched with the normally closed inclined plane, and an inclined plane at the lower part of the normally opened sliding pin is matched with the normally opened inclined plane; and the lift car hitting block is arranged on a lift car.

Description

Layer controlling device for doors

Technical field

The utility model relates to a kind of door of controlling turnover building hoist hoistway layer mouth, is a kind of layer of controlling device for doors specifically.

Background technology

Building hoist is the vertical transport equipment that the camp site is most widely used.Elevator has the dual-purpose and independent goods of people's goods with two kinds, and wherein material hoist is used more general.Almost each monomer all disposes one at least.No matter be that goods is used or the dual-purpose elevator of people's goods, the design of its car outlet and external scaffolding porthole layer door and application feature have vital relation to the safe handling of elevator.Yet, the complete system plant of present domestic production elevator scarcely supporting layer door system, the layer door that use the camp site made by oneself by unit in charge of construction mostly, the switch doors that adopt manual push-rod lock fixed structure more, the inorganic Electricity Federation of layer door lock, elevator craning cage all can be opened layer door in any position, can not satisfy the requirement of standard.

It is that 201102850 Chinese utility model patent " a kind of layer door safety control system of building hoist " discloses a kind of building safety device that publication number is arranged, and includes Main Control Tank, car, car position detector, safety landing door, inductor, sub-control box; Be fixedly installed on the electromagnetic lock on the described safety landing door; And be arranged on threshold switch on the described layer door; Wherein, described car position detector signal output part links to each other with the contact switch of described Main Control Tank electric loop, sensor output signal links to each other with the control end of electromagnetic lock coil, and inserting the sub-control box electrical circuit, described threshold switch connects described sub-control box electric loop and Main Control Tank electric loop respectively.The utility model is by intercommunication formula mode, utilizes the electromagnetic lock structure of dynamo-electric interlock, and the sub-control box of ground-surface Main Control Tank and each floor is interconnected by electrical control, realize that layer door closed and the cage operation between safety control.But its nearly all binary pair all is by automatically controlled, with respect to the easy et out of order of mechanical control, and the input cost height, the installation unloaded operation is loaded down with trivial details, can not well satisfy the needs of present China town and country construction.

The utility model content

The technical problems to be solved in the utility model is: a kind of layer controlling device for doors of mechanical mechanism controls is provided, and it can pin layer door when car does not rest in the porthole; When lift leans against the porthole, untie a layer door lock, allow layer door manually be opened, and can allow layer door remain on opening; When car leaves porthole relief layer door SELF CL and locked.It should possess characteristics simple in structure, easy to loading and unloading, with low cost.

The purpose of this utility model can reach by following measure, and it comprises: lance, normally closed sliding pin, often open sliding pin, spring layer door, car collision block.Layer door is installed in the floor porthole by the hinge of band torsion spring; The top and the bottom of described normally closed sliding pin and Chang Kai sliding pin are equipped with the inclined-plane, and all are provided with elastic telescopic mechanism, can shorten length when stressed; Described lance can be under external force along its longitudinal travel, it is provided with reset attachment, make it after losing external force, can get back to initial position, described lance is provided with two inclined-planes, the inclined-plane of their respectively corresponding described normally closed sliding pins and Chang Kai sliding pin, what cooperate with normally closed sliding pin is referred to as normally closed inclined-plane, with often open that sliding pin cooperates be referred to as often to open the inclined-plane; One of described lance is stretched out outside the porthole, and described car collision block is fixed on the car, and when cage operation extremely flushed with the porthole, described car collision block just in time can push of described lance.

Operation logic of the present utility model is as follows: when car does not rest in the porthole, and the normally closed sliding pin of normally closed inclined-plane jack-up on the lance, the part that normally closed sliding pin ejects is blocked layer door and is stoped its unlatching, and this opens the inclined-plane often and does not withstand and often open sliding pin; When car rests in the porthole, car collision block extruding lance is subjected to displacement it, normally closed inclined-plane on the lance is the normally closed sliding pin of jack-up not, normally closed sliding pin withdrawal, the no longer unlatching of trapping layer door, this opens inclined-plane jack-up often and often opens sliding pin, often opens the part that sliding pin ejects and makes single or double acting door can be fixed on opening; When car left the porthole, lance automatically reset again, and limit is opened the normally closed sliding pin of inclined-plane jack-up, often open the inclined-plane not jack-up often open sliding pin, layer door got back to closed condition under the effect of relying on oneself, and limited and can't open by normally closed sliding pin.

The characteristics of technique scheme are: use simple mechanical mechanism to reach design goal.Locked layer door when elevator does not rest in the porthole; When lift leans against the porthole, untie a layer door lock, allow layer door manually be opened, and can allow layer door be held open state; When elevator leaves porthole relief layer door SELF CL and locked.And the technical program is simple in structure, easy to loading and unloading, with low cost.

Technique scheme also can comprise following feature: described lance ram with or described car collision block be provided with tourelles such as roller, ball, to reduce the wearing and tearing that collision brings.

Further, described sliding pin with or the impact portions on described inclined-plane be provided with tourelles such as roller, ball, to reduce the wearing and tearing that collision brings.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is a schematic top plan view of the present utility model;

Fig. 2 is a principle schematic of the present utility model;

Fig. 3 is a principle schematic of the present utility model;

Fig. 4 is a part cross-sectional schematic of the present utility model;

Fig. 5 for the A of Fig. 2 or Fig. 3 to looking scheme drawing.

The specific embodiment

Fig. 1 is a schematic top plan view of the present utility model, and wherein door leaf 11 is connected on the spud pile 12 by hinge 13, and hinge 13 is provided with torsion spring, makes door leaf 11 keep closed condition under no external force effect; Casing 8 is fixedly mounted on the position at diagram place, door leaf 11 lower edges, casing 8 tops have two emptying apertures, can stretch out casing 8 for the upper end of often opening spring sliding pin 6 and normally closed spring sliding pin 7, right part has an emptying aperture, end for lance 3 can stretch out casing 8, door can be fixed on opening (shown in 14) during often opening spring sliding pin 6 and stretch out on the casing 8, the normally closed spring sliding pin 7 on the casing 8 can be fixed on closed condition with door when stretching out.

As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5: on elevator car 1, be fixed with collision block 2; Casing 8 is placed on the ground under the door leaf 11; Be provided with the lance 3 of displacement vertically in the casing 8, and lance 3 is provided with retracing spring 9, lance 3 is provided with and often opens projection 4 and normally closed projection 5; The top and the bottom of normally closed spring sliding pin 7 and Chang Kai spring sliding pin 6 are equipped with the inclined-plane, normally closed spring sliding pin 7 and Chang Kai spring sliding pin 6 flexibly connect (can be up and down) with casing 8, and length is collapsible, and (Fig. 4 is the generalized section of normally closed spring sliding pin 7, it is built-in with spring, can shrink under external force, also that's about the size of it often to open the inner structure of spring sliding pin 6); Often open the inclined-plane of projection 4 and match with the inclined-plane of often opening spring sliding pin 6 bottoms, the inclined-plane of normally closed projection 5 matches with the inclined-plane of normally closed spring sliding pin 7 bottoms.

When car 1 does not rest in the porthole (referring to Fig. 2), lance 3 does not collide with collision block 2, the normally closed spring sliding pin 7 of normally closed projection 5 jack-up, and the upper end of normally closed spring sliding pin 7 stops the unlatching of door leaf 11, often opens spring sliding pin 6 not by jack-up; When car 1 rests in the porthole (referring to Fig. 3), lance 3 bumps with collision block 2, lance 3 is to left dislocation, normally closed projection 5 is avoided with normally closed spring sliding pin 7, normally closed spring sliding pin 7 falls naturally, this moment, the unlatching of door leaf 11 was no longer interrupted, often opened projection 4 jack-up and often opened spring sliding pin 6, and door leaf 11 slips under external force promptly often to be left spring sliding pin 6 behind the inclined-plane of often opening spring sliding pin 6 tops and block; When car 1 leaves the porthole (referring to Fig. 2) again, lance 3 is avoided mutually with collision block 2, lance 3 displacement to the right under retracing spring 9 effects, often open projection 4 and avoid often opening spring sliding pin 6, often opening spring sliding pin 6 falls naturally, door leaf 11 is SELF CL under the torsion spring effect, and the normally closed spring sliding pin 7 of normally closed projection 5 jack-up is unlocked after prevention door leaf 11 cuts out.

Above-described only is preferred implementation of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.

Claims

1. layer controlling device for doors comprises layer door and car position detector, it is characterized in that:

Described car position detector comprises: lance, normally closed sliding pin, often open sliding pin and car collision block;

The top and the bottom of described normally closed sliding pin and Chang Kai sliding pin are equipped with the inclined-plane, and described normally closed sliding pin and Chang Kai sliding pin are equipped with elastic telescopic mechanism;

Described lance is provided with two inclined-planes, and described two inclined-planes comprise often opens inclined-plane and normally closed inclined-plane, and the inclined-plane and the described normally closed inclined-plane of described normally closed sliding pin bottom match, and described inclined-plane and the described inclined-plane of often opening of often opening the sliding pin bottom matches;

Described car collision block is located on the car.

2. according to claim 1 layer controlling device for doors is characterized in that: an end of described lance with or described car collision block be provided with tourelle.

3. layer controlling device for doors according to claim 1 and 2, it is characterized in that: the inclined-plane on the described lance is provided with tourelle, and the inclined-plane on normally closed sliding pin and the Chang Kai sliding pin is provided with tourelle.