CN205328404U - Novel buffer - Google Patents

Abstract

The utility model relates to a buffering hold back that is used for the car, disclose a novel buffer, including establishing the buffer at the well pit, be equipped with the guide rail on the well wall, the top of buffer is equipped with the car, car sliding connection on the guide rail, be equipped with on the stand of car sedan -chair frame and hit the bow, be equipped with the buffer switch on the guide rail, the buffer switch is located the removal orbit that hits the bow, and buffer switch horizontal position is higher than the pit, and is less than the bottom of hitting the bow, this patent application has been solved on the buffer of buffer switching system in the pit, and the problem of intaking easily and damaging provides one kind and can make the buffer switch can not be by the novel buffer of water logging bubble.

Description

A kind of novel buffer

Technical field

This utility model relates to a kind of buffering stopper for car, has been specifically related to a kind of novel buffer。

Background technology

Buffer is last link of elevator safety system, elevator break down or accident squat the end time play the effect of buffering, thus the people alleviated in elevator or elevator is from direct shock。Buffer of elevator is broadly divided into: oil buffer and spring buffer, and wherein oil buffer is adapted to the elevator of various speed and tonnage demand, and spring buffer is used for slower elevators。

And existing buffer of elevator; generally all can be arranged on the pedestal of underface of car and counterweight; together with buffer switch is mounted in buffer, all it is arranged in pit, when pit has water to enter; water begins to ramp up does not cross buffer switch; because buffer switch is electronic equipment, once meet water soaking, it is easy to make switching damage; thus causing that last safety guard is malfunctioning, be there is certain hidden danger in elevator safety reliability service。

Utility model content

This utility model is intended to provide a kind of novel buffer preventing buffer switch to be immersed in water。

A kind of novel buffer in this programme, including the buffer being located at well pit, the buffer switch on described buffer is located at the top of well pit。

The know-why of this programme and have the beneficial effect that buffer is the important safety component of lift facility, lift car fall or rush to summit dangerous time shield；Hit bend for lift car fall dangerous time, play cushion at collision switch effect；When lift car fall dangerous time, hit bow cushion at collision switch, buffer switch action, by the supply of electric power of drop traction machine brakes, brakes action by elevator brake；Buffer switch horizontal level is higher than pit; when pit is intake; water begins to ramp up; being raised to pit top always, and flow away from ground, now pit overflows water; but buffer switch is higher than pit; therefore water will not have buffer switch, it is prevented that it soaks damage, thus ensure that last safety guard reliability service。

Further, the forced section on buffer top being fixedly connected with connecting rod, the other end of described connecting rod is fixedly connected on and hits on bow, and described buffer switch is located on the motion track hitting bow。Buffer includes forced section and support portion, and forced section refers to that, when buffer pressurized, forced section can move towards the direction of support portion, plays buffering and supports the effect of the car sending pressure；Support portion refers to for supporting forced section, and makes the forced section can the parts of stable motion；When lift car fall dangerous time, car will move downward, and move to the forced section clashing into the buffer being located in pit always, the forced section of buffer plays cushioning effect, the movement velocity of car is reduced, and move downward with car simultaneously, forced section athletic meeting drivening rod moves downwardly together, connecting rod will pull and hit bow motion, hit bow to be switched by cushion at collision, buffer switch action, thus the supply of electric power supply of electric power of drop traction machine brakes, make elevator brake, ensure the safety of elevator and people, now support maintains static, spring tension or pressurized。

When process finishes event, by traction machine, car being pulled out to from pit more than pit, buffer can carry out the reset to forced section by internal reset system, and drive is hit bow and departed from buffer switch by connecting rod, so that buffer switch detects that buffer resets, it is possible to be continuing with；But if the reset system within buffer is damaged, the forced section of buffer cannot reset, and connecting rod is motionless, hit bow also motionless, hit bow without departing from buffer switch, and then buffer damages to make buffer switch detect, cannot be continuing with, it is necessary to on-call maintenance or replacing。

Further, well enclosure being fixedly connected with support, the side of support is provided with hits bow, hits and is provided with spring between bow and support。The position hitting bow is fixed by support by spring, can make to hit bow and easily move back and forth on the route of regulation；When the forced section of buffer resets, connecting rod can drive and hit bow and reset, now spring will resilience, and can help to hit bow and reset further。

Further, connecting rod is soft bundle。Described soft bundle is brake cable, refers to the surface tied silk with the fully wrapped around protection of hose, and tied silk can be slided in hose；The soft tied silk arranged of pricking is yielding tied silk, this tied silk, can being placed directly on pit bottom, be not take up the space of pit, pit is carried out the operations such as cleaning rubbish by the personnel that will not hinder one's work, and tied silk surface is hose, although pit is dark moist environment, even if soft bundle contacts with pit bottom face for a long time, tied silk is without the erosion being subject to steam, ensure that the intensity of tied silk will not be impacted, add the service life of tied silk。

Further, buffer is hydraulic bjuffer。Hydraulic draft gear belongs to energy-dissipating type parts, by hydraulic oil, major part kinetic energy is changed into heat energy when being subject to the high-speed impact of car or counterweight, thus substantially reducing impact power, therefore is applicable to the elevator of any speed specification。

Accompanying drawing explanation

Fig. 1 is the schematic diagram of a kind of novel buffer of this utility model embodiment。

Detailed description of the invention

Below by detailed description of the invention, this utility model is described in further detail:

Accompanying drawing labelling in Figure of description includes: buffer switch 1, hit bow 2, spring 3, support 4, soft bundle 5, hydraulic bjuffer 6, forced section 7, pit 8, car 9。

Embodiment is substantially as shown in Figure 1: a kind of novel buffer, including the hydraulic bjuffer 6 being located at well pit 8, the forced section 7 on hydraulic bjuffer 6 top is fixedly connected with soft bundle 5, the well enclosure of the top of well pit 8 is provided with the support 4 that cement is fixing, it is provided with on the upside of support 4 and hits bow 2, hit and be provided with spring 3 between bow 2 and support 4, soft bundle 5 is fixedly connected on and hits on bow 2, the motion track of top hitting bow 2 is provided with the buffer switch 1 being fixedly connected on well enclosure, hits bow 2 and buffer switch 1 horizontal level is all located at the top of well pit 8。

When lift car 9 fall dangerous time, when moving to the forced section 7 that car 9 bottom just contacts the hydraulic bjuffer 6 being positioned on the pedestal of pit 8 bottom always, car 9 continues motion, forced section 7 and car 9 move downwardly together, forced section 7 drives the tied silk in soft bundle 5 to move downward, support 4 is motionless, drive is hit bow 2 and is moved upward by tied silk, now spring 3 is in extended state, hit bow 2 start shock be positioned at well enclosure upper bumper switch 1, buffer switch 1 action, so that elevator brake, it is ensured that elevator be not damaged by with passenger personal safety；Buffer switch 1 horizontal level is higher than pit 8, it is ensured that when overflowing water in pit 8, buffer switch 1 will not do not had by water logging, and causes damage, and then ensure that last safety guard reliability service。

When process finishes event, by traction machine, car 9 is pulled out to from pit 8 pit more than 8, buffer can carry out the reset to forced section 7 by internal reset system, soft bundle 5 pulls on and hits bow 2 disengaging buffer switch 1, support 4 is motionless, and now spring 3 is by resilience, and can help to hit bow 2 and reset further, so that buffer switch 1 detects that buffer resets, it is possible to be continuing with；But if the reset system within buffer is damaged, the forced section 7 of buffer cannot reset, and connecting rod is motionless, hit bow 2 also motionless, hit bow 2 without departing from buffer switch 1, and then make buffer switch 1 detect that buffer damages, cannot be continuing with, it is necessary to on-call maintenance or replacing。

Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this。Should be understood that; for a person skilled in the art, under the premise without departing from this utility model structure, it is also possible to make some deformation and improvement; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented。The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim。

Claims (4)

1. a novel buffer, including the buffer being located at well pit, it is characterized in that: the buffer switch on described buffer is located at the top of well pit, the forced section on described buffer top is fixedly connected with connecting rod, the other end of described connecting rod is fixedly connected on and hits on bow, and described buffer switch is located on the motion track hitting bow。

2. novel buffer according to claim 1, it is characterised in that: being fixedly connected with support on described well enclosure, the side of support is provided with hits bow, hits and is provided with spring between bow and support。

3. novel buffer according to claim 2, it is characterised in that: described connecting rod is soft bundle。

4. novel buffer according to claim 1, it is characterised in that: described buffer is hydraulic bjuffer。