CN201416287Y

CN201416287Y - Safe hook for parking lot elevating equipment

Info

Publication number: CN201416287Y
Application number: CN2009201512143U
Authority: CN
Inventors: 吴文基; 李日海; 詹楷纯
Original assignee: Shenzhen Yee Fung Automation Technology Co Ltd
Current assignee: Shenzhen Yee Fung Automation Technology Co Ltd
Priority date: 2009-04-16
Filing date: 2009-04-16
Publication date: 2010-03-03
Anticipated expiration: 2019-04-16

Abstract

The utility model relates to a safe hook for parking lot elevating equipment, which comprises a hook seat and a hook; the hook is hinged to the hook seat through a pin; the connection pin hole of thehook and the hook seat is adjacent to the other end of the hook which is provided with a stop dog mounted at end of hook through pin and sealing the hook cut; two opposite stop dogs are mounted near the connection pin hole; two ends of the torsion spring presses the stop dogs against the hook cut by the two stop columns on the stop dog and hook. Power-free safe hook of the utility model does not need electromagnet, electromotor or other electric signal detection device; only gravity can hang the safe hanging ring at the safe hook when the elevating chain breaks or falls off. The scheme has advantages of simple structure, low cost, low fault rate, high reliability and the scheme avoids the safety and accident arising from invalidation of interlinking device of electromagnet or electromotor.

Description

A kind of safety hook for parking elevator

Technical field

The utility model relates to a kind of ascending/decending parking lot safety device, is specifically related to the hooking device in a kind of parking elevator.

Background technology

In recent years, along with the sharp increase of the automobile volume of holding, the quantity in parking demand, parking lot and scale are enlarging gradually.Not enough and the bustling location land price in the space arranged in city is high, simple garage parking, ground can not satisfy the demands and space availability ratio low, most at present underground parkings of adopting, high-rise parking lot etc., the most multilayers that adopt in aforementioned parking lot are stopped, utilize lifting gear vehicle to be delivered to the layer of having vacant position, row is placed again, this mode has avoided being provided with traveling lane, saved a large amount of spaces, also make the parking field structure more reasonable, this wherein lifting gear play an important role, its safety is extremely important, and according to the regulation of " requirement of GB17907-1999 mechanical parking equipment universal safety " 4.6.2.10 bar: " vehicle-containing run to the parking space after, plunk down the falling stop dropping control device of to set up defences for preventing vehicle-containing for some reason ".Therefore this device needing still not to be realized and is industry standard, and a cover safety hook device respectively is housed on 4 corners of each upper strata vehicle-containing of the lifting cross sliding type mechanical parking equipment in using now.Its structure major part is an electromagnet type, is electrodynamic type on a small quantity.Through facts have proved for many years, above-mentioned two kinds of safety hooks are after having used a period of time, part can produce fault because of the inefficacy of electromagnet or motor and linkage thereof, thereby fault rate is higher, and in case break down, gently then the parking lot loses function, and heavy then contained vehicle is damaged and caused more serious consequence.

The utility model content

For addressing the above problem, it is a kind of simple and reliable that the utility model provides, safe safety hook, the concrete mode of this programme is as follows: a kind of safety hook that is used for parking garage lifting device, comprise and collude seat and hook, described hook is hinged on by bearing pin and colludes on the seat, its improvement is, described hook is long and narrow tabular, described hook and the opposite end that is connected the close hook hook of pin-and-hole of colluding seat, block also is installed in the described hook, described block is installed near hook hook one end and with the sealing of colluding mouthful of hook by bearing pin, connect pin-and-hole at link stopper in the described hook and be attached with two corresponding bumping posts, described bumping post is limited to the rotation of block around pin-and-hole in the certain angle, on the described block bearing pin torsionspring is installed also, described torsionspring two ends utilize elastic force that block is pressed on the hook opening by two bumping posts on block and the hook.

Another optimal way of this programme: described colluding is equipped with bumping post on the seat, and described bumping post is limited to a direction with the direction of rotation of hook opposite end.

An optimal way again of this programme: described block forms olecranoid retaining mouth at Gou Kouchu, and described retaining mouth external surface and inner surface are smooth arcwall face.

An also optimal way of this programme: the described seat that colludes comprises also that with the link in pin-and-hole of hook pin, back-up ring, thrust washer, flanger bearing bush and bearing pin are connected.

The unpowered safety hook that the utility model adopts does not need to install electromagnet and motor equal power device, and other electric signal checkout gears need be installed yet.Under the dead ship condition, safe link is above the hook of safety hook, and when lifting chain (or wire rope) ruptured or comes off, safe link directly hung on the hook of safety hook, only by action of gravity, does not need other any external force or the signal of telecommunication to drive; When picking up the car, most critical be that block and safety hook form a closure member, safe like this link can not be hooked when descending, alternative electromagnet type and the electrodynamic type safety hook that generally uses at present, since the bearing pin position of block below, when block was upwards pushed up by safe link, its block only surpassed the distance of colluding mouthful in the movement travel of opening direction and gets final product, shorten the movement travel of whole lifting gear greatly, reduced the time of picking up the car.This programme hook structure is simple and easy, exquisite, and the hook stroke of picking up the car out is short, cuts down the consumption of energy, cheap, and fault rate is low, reliability height, security performance height.

Description of drawings

Fig. 1 this programme safety hook schematic diagram

Fig. 2 this programme safety hook is opened schematic diagram

The specific embodiment

The purpose of this utility model is to design a kind of unpowered safety hook that is used on the lifting cross sliding type mechanical parking equipment, reduces cost, and improves the security performance of safety hook.

As shown in Figure 1, the Safety hook of this programme comprises and colludes seat 2 and hook 1, hook 1 is long and narrow tabular, one end is that hook 4 shapes are sagging naturally, the other end passes by bearing pin and colludes seat and be connected with pin-and-hole 5A in the hook and collude on 2, link among the pin-and-hole 5A also comprises pin, back-up ring, thrust washer, flanger bearing bush and bearing pin, hook 1 has extended end 8 at the pin-and-hole 5A other end, whole hook 1 can be rotated around pin-and-hole 5A, collude on the seat 2 bumping post 6C is installed, bumping post 6C is limited to a direction with the direction of rotation of hook extended end 8, avoid the safe link 11 of lifting gear when rising, can not hang on the hook 4 of hook, block 3 is installed in the hook 1, block 3 is installed near hook hook 4 one ends and with the sealing of colluding mouthful of hook 4 by bearing pin, block 3 can be done the rotation of certain limit around bearing pin, in near link stopper connects pin-and-hole 5B the hook 1 two corresponding bumping post 6A are installed, 6B, bumping post 6A just in time keeps off block 3 position of colluding mouth in sealing, the reverse rotation of bumping post 6B control block 1, block is limited between bumping post 6A and the bumping post 6B around the rotating range of pin-and-hole 5B, on the block bearing pin 5B torsionspring 10 is installed also, torsionspring 10 two ends are by two bumping post 9A on block and the hook, 9B utilizes elastic force that block 3 is pressed on hook 4 openings, be that torsionspring 10 is pressed in colluding on the mouth of hook 1 with block 3 when flat, when the safe link 11 of lifting gear rises, the elastic force that need overcome torsionspring 10 is pushed block 3 open, block 3 forms olecranoid retaining mouth 7 at Gou Kouchu, retaining mouth 7 external surfaces and inner surface are smooth arcwall face, the tip of retaining mouth 7 surpasses the outer of hook and outstanding downwards, whole shape is suitable for blocking the object of below and the downward object in top is passed through smoothly, and retaining mouth inner surface and hook are colluded mouthful sealing area more than or equal to safe link 11 diameters that articulate.

When duty, hook is sagging naturally, block will collude a mouthful sealing under the effect of torsionspring, lifting gear carries on the car constantly, safe link on its four jiaos moves up, making hook is that middle mind-set bumping post one side-sway is opened to collude a upper pin, safe link contacts with block simultaneously, making block is the center back rotation with the bearing pin, opens and colludes a mouthful sealing, as shown in Figure 2, when the gap between hook and the block surpasses the thickness of safe link own, hook forwards to next time in the effect of torsionspring and colludes a mouthful detent position, the safety link is enclosed in the hook of hook, and this moment, the vehicle-containing lifting action finished.When abnormal conditions occurring, safe link will directly hang on the hook of safety hook, not allow vehicle-containing drop, and play the fall arrest safety effect.

The control system of equipment control vehicle-containing longeron drives safe link and moves up when picking up the car, with inclined-plane sliding-contact in the block, with block is the center back rotation with the bearing pin, safe link rises to when breaking away from block, block is retracted reset condition by torsionspring, the vehicle-containing of the control system of equipment control simultaneously stops, block and safety hook form a closure member, safe link can not be hooked when descending, this moment, the control system control vehicle-containing of equipment descended, the outer inclined-plane sliding-contact of safe link and block, vehicle-containing can without hindrance do decline operation.

Claims

1, a kind of safety hook that is used for parking garage lifting device, comprise and collude seat (2) and hook (1), described hook (1) is hinged on by bearing pin and colludes on the seat (2), it is characterized in that, described hook (1) is long and narrow tabular, described hook and the opposite end that is connected the close hook hook (4) of pin-and-hole (5A) of colluding seat, block (3) also is installed in the described hook (1), described block (3) is installed near hook hook (4) one ends and with the sealing of colluding mouthful of hook by bearing pin, described hook (1) is gone up at block (3) connection pin-and-hole (5B) and is attached with two corresponding bumping post (6A, 6B), described bumping post (6A, 6B) rotation of block around pin-and-hole (5B) is limited in the certain angle, torsionspring (10) also is installed on the described block bearing pin (5B), and described torsionspring (10) two ends are by two bumping post (9A on block (3) and the hook (4), 9B) utilize elastic force that block (3) is pressed on the hook opening.

2, a kind of according to claim 1 safety hook that is used for parking garage lifting device is characterized in that: described colluding on the seat (2) is equipped with bumping post (6C), and described bumping post (6C) is limited to a direction with the direction of rotation of hook extended end (8).

3, as a kind of safety hook that is used for parking garage lifting device as described in the claim 2, it is characterized in that: described block (3) forms olecranoid retaining mouth (7) at Gou Kouchu, and described retaining mouth (7) external surface and inner surface are smooth arcwall face.

4, a kind of according to claim 1 safety hook that is used for parking garage lifting device is characterized in that: the described seat (2) that colludes comprises also that with the link in pin-and-hole (5A) of hook (1) pin, back-up ring, thrust washer, flanger bearing bush and bearing pin are connected.