CN219116892U - Elevator anti-falling device - Google Patents

Abstract

The utility model discloses an elevator anti-falling device which comprises a lift car, wherein the inner sides of two transverse plates are fixedly connected with straight rods, the outer walls of the straight rods are movably connected with square blocks which are attached to lower transverse plates, the outer walls of the straight rods are movably connected with first springs, two ends of each first spring are fixedly connected with the bottom of an upper transverse plate and the top of each square block respectively, one side of each square block is fixedly connected with a cover body through bolts, through holes of the cover bodies are movably connected with inserting rods, and one side of each inserting rod is provided with a plurality of slots which are formed in the inner sides of sliding ways. The utility model relates to the technical field of elevator protection structures, and aims to realize the protection of an elevator when the elevator falls down through the cooperation among a first spring, an inserting rod and a damper, solve the problem that an existing device can not well protect a car in the elevator only by means of a worm gear of a permanent magnet synchronous traction machine, and the elevator can fall down when the permanent magnet synchronous traction machine fails, and improve the safety performance.

Description

Elevator anti-falling device

Technical Field

The utility model relates to the technical field of elevator protection structures, in particular to an elevator anti-falling device.

Background

The elevator is a permanent transportation device which is used for serving a plurality of specific floors in a building, wherein a car runs on at least two rows of rigid rail motion vertical to a horizontal plane or inclined at an angle smaller than 15 degrees with a plumb line, and the existing driving device adopts a permanent magnet synchronous traction machine commonly called a speed reducer-free transmission. It is installed in the elevator machine room or in the elevator hoistway, typically on the roof of a building or in the hoistway, and is the power plant of the elevator. The permanent magnet synchronous traction machine directly drives the rope pulley by the host machine and has no reduction box device. The permanent magnet synchronous traction machine is a novel bearingless motor which applies bearingless technology to the permanent magnet synchronous traction machine, and in order to avoid the falling condition of an elevator, the elevator falling prevention device is provided.

The permanent magnet synchronous traction machine in the existing elevator adopts a worm gear, the self-locking property of the worm gear plays a role in preventing falling, a damping structure is arranged on the outer side of the elevator car to reduce the falling speed, and the anti-falling device is matched for further improving the safety.

However, the existing device only depends on the worm gear of the permanent magnet synchronous traction machine, so that the elevator car in the elevator cannot be well protected, and when the permanent magnet synchronous traction machine fails, the elevator falls down, so that the safety performance is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an elevator anti-falling device, which solves the problems that the existing device can not well protect a car in an elevator only by relying on a worm gear of a permanent magnet synchronous traction machine, and the elevator can fall down when the permanent magnet synchronous traction machine fails, so that the safety performance is reduced.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the utility model provides an elevator anti-falling device, includes the car, the equal rigid coupling in both sides of car has slide mechanism, two slide mechanism's the equal sliding joint in outside has the slide, the bottom rigid coupling of car has the plate body, the top of plate body is provided with two protection machanism, and protection machanism includes electric putter, backplate, diaphragm, straight-bar, first spring, square, lid, inserted bar and attenuator, electric putter's bottom and the top fixed connection of plate body, electric putter's output rigid coupling has the backplate, one side rigid coupling of backplate has two diaphragms, two the inboard rigid coupling of diaphragm has the attenuator, two the inboard rigid coupling of diaphragm has the straight-bar, the outer wall activity of straight-bar links to each other with the square that the below diaphragm laminated mutually, the outer wall activity of straight-bar links to have first spring, the both ends of first spring respectively with the bottom of top diaphragm and the top fixed connection of square, one side through the bolt rigid coupling has the square lid, the through-hole activity of lid links to each other has the inserted bar, one side of lid sets up a plurality of slots at the slide.

Preferably, one end of the inserted link is fixedly connected with a baffle movably connected with the inner wall of the square, and one side of the baffle is fixedly connected with one side of the groove of the square through a second spring.

Preferably, one side of the outer wall of the inserted link is matched with the shape of the slot.

Preferably, a storage battery and a controller are arranged at the top of the plate body.

Preferably, the bottom of the plate body is fixedly connected with a limiting plate through bolts, a round rod is movably connected with the through hole of the limiting plate, a bottom plate is fixedly connected with the bottom of the round rod, and the top of the bottom plate is fixedly connected with the bottom of the plate body through a plurality of third springs.

Advantageous effects

The utility model provides an elevator anti-falling device. The beneficial effects are as follows: this elevator anti-falling device has realized the protection when falling to the elevator through the cooperation between first spring, inserted bar and the attenuator, has solved that current device only relies on the worm gear worm of permanent magnetism synchronous hauler self can not be fine to protect the car in the elevator, the elevator can appear the problem of falling when the permanent magnetism synchronous hauler breaks down, and the security performance improves.

Through the cooperation between plate body, limiting plate and the round bar, realized the buffering that falls when the car is unmanned, reduced the impact force that produces after falling, improved the protection effect to the car.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the present utility model;

FIG. 3 is a schematic view of the first spring, plunger and damper of FIG. 1;

fig. 4 is a schematic structural view of the plate body, the limiting plate and the round bar in fig. 1.

In the figure: 1. car, 2, slide mechanism, 3, slide, 4, plate, 5, limiting plate, 6, round bar, 7, bottom plate, 8, third spring, 9, controller, 10, battery, 11, electric putter, 12, backplate, 13, diaphragm, 14, straight-bar, 15, first spring, 16, square, 17, lid, 18, inserted link, 19, second spring, 20, attenuator, 21, baffle, 22, slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The existing elevator anti-falling device only depends on the worm gear of the permanent magnet synchronous traction machine, can not well protect a car in an elevator, and when the permanent magnet synchronous traction machine breaks down, the elevator can fall down, so that the safety performance is reduced.

In view of the above, the elevator anti-falling device is provided, through the cooperation among the first spring, the inserted link and the damper, the protection of falling down of the elevator is realized, the problem that the elevator can fall down when the permanent magnet synchronous traction machine fails due to the fact that the existing device only depends on the worm gear of the permanent magnet synchronous traction machine to protect the elevator car well is solved, and the safety performance is improved.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

Embodiment one: as can be seen from fig. 1-3, an elevator anti-falling device comprises a car 1, wherein both sides of the car 1 are fixedly connected with sliding mechanisms 2, the sliding mechanisms 2 can move on slide ways 3, the car 1 can be limited, the outer sides of the two sliding mechanisms 2 are slidably clamped with the slide ways 3, the bottom of the car 1 is fixedly connected with a plate body 4, two protection mechanisms are arranged above the plate body 4, each protection mechanism comprises an electric push rod 11, a back plate 12, a transverse plate 13, a straight rod 14, a first spring 15, a square 16, a cover 17, an inserting rod 18 and a damper 20, the bottom of the electric push rod 11 is fixedly connected with the top of the plate body 4, the model of the electric push rod 11 is not limited, the output end of the electric push rod 11 is fixedly connected with the back plate 12, one side of the back plate 12 is fixedly connected with the two transverse plates 13, the inner sides of the two transverse plates 13 are fixedly connected with dampers 20, damping effects generated by the dampers 20 can buffer external vibration, the inner sides of the two transverse plates 13 are fixedly connected with straight rods 14, the outer walls of the straight rods 14 are movably connected with square blocks 16 attached to the lower transverse plates 13, the outer walls of the straight rods 14 are movably connected with first springs 15, two ends of each first spring 15 are fixedly connected with the bottom of the upper transverse plate 13 and the top of each square block 16 respectively, the device can buffer stress of the corresponding inserted rod 18 by means of elastic deformation of the first springs 15, one side of each square block 16 is fixedly connected with a cover body 17 through bolts, through holes of the cover body 17 are movably connected with inserted rods 18, one side of each inserted rod 18 is provided with a plurality of slots 22 formed in the inner side of each slideway 3, and the plurality of slots 22 are formed in the slideway 3 and are distributed at equal intervals;

in the specific implementation process, the protection of the elevator during falling is realized through the cooperation among the first spring 15, the inserted link 18 and the damper 20, the problem that the elevator falls when the permanent magnet synchronous traction machine fails due to the fact that the existing device only depends on the worm gear of the permanent magnet synchronous traction machine to protect the elevator car well is solved, and the safety performance is improved;

further, one end of the inserting rod 18 is fixedly connected with a baffle 21 movably connected with the inner wall of the square 16, the baffle 21 can move in the groove of the square 16, and one side of the baffle 21 is fixedly connected with one side of the groove of the square 16 through a second spring 19;

in the specific implementation process, it is worth particularly pointing out that the second spring 19 can be compressed when the insert rod 18 moves, and the insert rod 18 can be driven to reset through the elastic deformation of the second spring 19 when the insert rod 18 loses the support of external force;

further, the outer wall side of the insert rod 18 is matched with the shape of the slot 22;

in the specific implementation process, it should be noted that, the outer wall side of the insert rod 18 is matched with the shape of the slot 22, so as to ensure that the two are tightly inserted;

further, the top of the plate body 4 is provided with a storage battery 10 and a controller 9, and the model of the controller 9 is not limited;

in the specific implementation process, it is worth particularly pointing out that a user can control the controller 9 to work in the car 1, and the storage battery 10 independently supplies power to the electric push rod 11 and the controller 9, so that normal operation is not influenced by external power failure;

specifically, when using this elevator anti-falling device, when the condition that the elevator falls appears in equipment failure, at first the user can control controller 9 start in car 1, controller 9 can control electric putter 11 and move forward, if inserted bar 18 does not stretch into slot 22 in, the second spring 19 compression of this moment, when moving slot 22, accessible second spring 19's elastic deformation drives inserted bar 18 and resets when inserted bar 18 loses external force support, inserted bar 18 inserts in slot 22 and carries out spacingly, simultaneously because inertial damper 20 and first spring 15 take place the compression, rely on damping and elastic deformation to protect the inside people of car 1, avoid rocking the range too big.

Embodiment two: as can be seen from fig. 1, 2 and 4, the bottom of the plate body 4 is fixedly connected with a limiting plate 5 through bolts, a through hole of the limiting plate 5 is movably connected with a round rod 6, the round rod 6 can move in the through hole of the limiting plate 5, the bottom of the round rod 6 is fixedly connected with a bottom plate 7, the top of the bottom plate 7 is fixedly connected with the bottom of the plate body 4 through a plurality of third springs 8, and the device can buffer impact generated during falling by means of elastic deformation of the third springs 8;

in the specific implementation process, it is worth particularly pointing out that the round bar 6 can move in the through hole of the limiting plate 5, and the buffer of falling when the car 1 is unmanned is realized through the cooperation among the plate body 4, the limiting plate 5 and the round bar 6, so that the impact force generated after falling is reduced, and the protection effect on the car is improved;

specifically, on the basis of the first embodiment, when no person is in the car 1, the bottom plate 7 is in contact with the bottom, and at the same time, the elastic deformation of the plurality of third springs 8 can buffer the impact generated when the car falls down, so as to avoid the damage of the car 1 under the inertia effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An elevator fall protection device comprises a car (1), and is characterized in that: the two sides of the lift car (1) are fixedly connected with sliding mechanisms (2), the outer sides of the two sliding mechanisms (2) are fixedly connected with sliding ways (3) in a sliding clamping manner, the bottom of the lift car (1) is fixedly connected with a plate body (4), and two protection mechanisms are arranged above the plate body (4);

the protection mechanism comprises an electric push rod (11), a back plate (12), a transverse plate (13), a straight rod (14), a first spring (15), a square block (16), a cover body (17), an inserting rod (18) and a damper (20);

the bottom of electric putter (11) and the top fixed connection of plate body (4), the output rigid coupling of electric putter (11) has backplate (12), one side rigid coupling of backplate (12) has two diaphragm (13), two the inboard rigid coupling of diaphragm (13) has attenuator (20), two the inboard rigid coupling of diaphragm (13) has straight-bar (14), the outer wall activity of straight-bar (14) links to each other has square (16) that laminate mutually with below diaphragm (13), the outer wall activity of straight-bar (14) links to each other has first spring (15), the both ends of first spring (15) respectively with the bottom of top diaphragm (13) and the top fixed connection of square (16), one side of square (16) has lid (17) through bolt rigid coupling, the through-hole activity of lid (17) links to each other has inserted bar (18), one side of inserted bar (18) is provided with a plurality of slots (22) of seting up in slide (3) inboard.

2. An elevator fall arrest device according to claim 1, characterized in that: one end of the inserted link (18) is fixedly connected with a baffle (21) movably connected with the inner wall of the square block (16), and one side of the baffle (21) is fixedly connected with one side of a groove of the square block (16) through a second spring (19).

3. An elevator fall arrest device according to claim 1, characterized in that: the outer wall side of the inserted link (18) is matched with the shape of the slot (22).

4. An elevator fall arrest device according to claim 1, characterized in that: the top of the plate body (4) is provided with a storage battery (10) and a controller (9).

5. An elevator fall arrest device according to claim 1, characterized in that: the bottom of plate body (4) is through bolt rigid coupling having limiting plate (5), the through-hole activity of limiting plate (5) is linked to have round bar (6), the bottom rigid coupling of round bar (6) has bottom plate (7), the top of bottom plate (7) is through the bottom fixed connection of a plurality of third springs (8) with plate body (4).

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