CN220866856U

CN220866856U - Prevent elevator whereabouts quick buffer protection device

Info

Publication number: CN220866856U
Application number: CN202322439336.5U
Authority: CN
Inventors: 张强
Original assignee: Hangzhou Ziaotong Engineering Equipment Installation Co ltd
Current assignee: Zhejiang Ziaotong Electromechanical Technology Co.,Ltd.
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-30
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses a rapid buffering protection device for preventing an elevator from falling, which relates to the field of elevator falling buffering and comprises an anchor plate, a fixed bolt and a rotating assembly, wherein the fixed bolt is arranged in the anchor plate, the rotating assembly for buffering is arranged on one side of the anchor plate, the rotating assembly comprises a base, a rotating rod, a rotating groove, a limiting block and a spring, the rotating rod is arranged in the base, the rotating groove is formed in the position, corresponding to the rotating rod, of the inner wall of the base, the limiting block is arranged on the outer wall of the rotating rod, and the spring is arranged at the joint of the inner wall of the base and the limiting block. This prevent elevator whereabouts quick buffering protection device through setting up rotating assembly, can make the elevator railway carriage or compartment when the stall of very first time through rotating block and buffering piece, carries out buffering protection to it, avoids the elevator railway carriage or compartment stall to hit to the bottom and causes the injury to personnel, and secondly spring force can make the rotating block reset can not disturb elevator railway carriage or compartment normal operating.

Description

Prevent elevator whereabouts quick buffer protection device

Technical Field

The utility model relates to the technical field of elevator falling buffering, in particular to a rapid buffering protection device for preventing an elevator from falling.

Background

The elevator is a permanent transportation device 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, the car and a counterweight are respectively connected with two ends of a traction rope and wound on a traction wheel and a guide wheel, a traction motor drives the traction wheel to rotate after the speed of the traction motor is changed through a speed reducer, and the lifting motion of the car and the counterweight is realized by traction force generated by friction between the traction rope and the traction wheel, so that the transportation purpose is achieved;

The elevator falling reasons are as follows: 1. the brake is not adjusted well, so that the problem is solved, and the elevator is also possibly dropped due to serious abrasion of brake shoes of the brake; 2. the abrasion of the rope groove of the traction sheave seriously causes the falling of the elevator; 3. it is possible that the entire car is extremely unbalanced, which is generally common when adjusting the installation; 4. the traveling cable is damaged, especially the safety loop cable is damaged, if the traveling cable is completely broken, the elevator cannot operate, if the traveling cable is not completely broken, the elevator can suddenly and rapidly fall upwards or downwards in the operation process, and then the elevator automatically returns to the nearest layer to open the door.

When the elevator car is in a stall accident downwards, the car can fall down rapidly due to the reasons of rope breakage of the traction rope, slipping between the traction sheave and the traction rope, non-action of a safety gear speed limiter, failure of a brake and the like, and the car is buffered only by a buffer arranged in a pit below the car, but the car and passengers cannot be prevented from being damaged only by the buffering effect provided by the buffer. When the car contacts with the buffer, the falling speed of the car reaches the maximum value, and the generated impact effect still causes injury to personnel in the car.

Accordingly, in view of the above, an improvement of the existing structure and the existing defects is studied and developed, and a rapid buffer protection device for preventing the elevator from falling down is proposed, so as to achieve the purpose of having more practical value.

Disclosure of utility model

The utility model aims to provide a rapid buffering protection device for preventing an elevator from falling down, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent elevator whereabouts quick buffering protection device, includes anchor plate, gim peg and rotation subassembly, the inside gim peg that is equipped with of anchor plate for the cushioning effect the anchor plate one side is located to rotation subassembly, rotation subassembly includes base, dwang, rotation groove, stopper and spring, the inside dwang that is equipped with of base, the base inner wall corresponds the department with the dwang and has seted up the rotation groove, the dwang outer wall is equipped with the stopper, base inner wall and stopper junction are equipped with the spring.

Further, the inner wall of the base is elastically connected with the limiting blocks, the number of the anchor plates is two, the two anchor plates are fixedly connected with the outer wall of the base respectively, the number of the limiting blocks is two, and the springs are fixedly connected with opposite surfaces of the two limiting blocks respectively.

Further, the rotating assembly further comprises a rotating block and a rotating hole, the rotating block is sleeved on the outer wall of one side of the rotating rod away from the base, and the rotating hole is formed in the position, corresponding to the rotating rod, of the outer wall of the rotating block.

Further, the rotating assembly further comprises a buffer block, a through hole and a stop block, the buffer block is arranged on the outer wall of the rotating block, the through hole is formed in the position, corresponding to the rotating rod, of the outer wall of the buffer block, and the stop block is arranged on the left side of the buffer block.

Further, the rotating block is rotationally connected with the rotating rod, the buffer block is rotationally connected with the rotating rod, and the stop block is fixedly connected with the outer wall of the base.

Further, the buffer block is provided with a fixed block on one side far away from the stop block, and a first fixed rod is arranged on the front side of the outer wall of the fixed block.

Further, a second fixing rod is arranged below the first fixing rod, and an elevator car is arranged on one side, away from the buffer block, of the fixing block.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the rotating assembly is arranged, the rotating block and the buffer block rotate to buffer and protect the elevator car when the elevator car stalls at the first time, so that the damage to personnel caused by the collision of the elevator car stall to the bottom is avoided, and the spring can reset the rotating block to prevent the normal operation of the elevator car;

2. The rotating assembly is fixed on the inner wall of the elevator shaft through the anchor plate, and is connected through the fixing bolt, so that the elevator shaft is small in size, convenient for workers to operate and convenient for later maintenance and disassembly when the elevator is initially constructed and installed.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a first view of a rapid buffer protection device for preventing elevator from falling;

Fig. 2 is a schematic view of a second view angle three-dimensional structure of the elevator falling prevention rapid buffer protection device according to the present invention;

fig. 3 is a schematic three-dimensional structure of a rotating assembly of the elevator falling prevention rapid buffer protection device of the present invention;

Fig. 4 is a schematic view of a three-dimensional structure of a rotating rod of a rapid buffering protection device for preventing elevator from falling down;

fig. 5 is a schematic diagram of a three-dimensional structure of a rotating groove of a rapid buffering protection device for preventing an elevator from falling down.

In the figure: 1. an anchor plate; 2. a fixing bolt; 3. a rotating assembly; 301. a base; 302. a rotating lever; 303. a rotating groove; 304. a limiting block; 305. a spring; 306. a rotating block; 307. a rotation hole; 308. a buffer block; 309. a through hole; 310. a stop block; 4. a fixed block; 5. a first fixing rod; 6. a second fixing rod; 7. an elevator car.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1, fig. 3, fig. 4 and fig. 5, an elevator falling prevention rapid buffer protection device comprises an anchor plate 1, a dead bolt 2 and a rotating assembly 3, wherein the anchor plate 1 is internally provided with the dead bolt 2, the rotating assembly 3 used for buffering is arranged on one side of the anchor plate 1, the rotating assembly 3 comprises a base 301, a rotating rod 302, a rotating groove 303, a limiting block 304 and a spring 305, the rotating rod 302 is arranged in the base 301, the rotating groove 303 is formed in the position, corresponding to the rotating rod 302, of the inner wall of the base 301, the limiting block 304 is arranged on the outer wall of the rotating rod 302, the spring 305 is arranged at the joint of the inner wall of the base 301 and the limiting block 304, the inner wall of the base 301 is elastically connected with the limiting block 304, the anchor plate 1 is two in number, the two anchor plates 1 are fixedly connected with the outer walls of the base 301 respectively, the limiting block 304 are fixedly connected with the opposite surfaces of the two limiting blocks 304 respectively, the rotating assembly 3 further comprises a rotating block 306 and a rotating hole 307, the rotating block 306 is sleeved on the outer wall, far away from one side of the base 301, the rotating block 306 is provided with the rotating block 306, the rotating hole 307 is formed in the position, corresponding to the rotating rod 302, the position, corresponding to the rotating block 306, the rotating block is provided with the rotating block 308, the rotating block 308 is provided with the rotating block 308, the buffer block 308 is provided with the through hole 308, the buffer block 308 is provided with the corresponding to the left side of the buffer block 308, and the buffer block 308;

The operation is that when the elevator car 7 normally operates and ascends, at this time, the first fixed rod 5 passes through the rotating block 306 firstly, the rotating block 306 receives upward force, the rotating block 306 rotates anticlockwise, the limiting block 304 rotates in the same way to apply pressure to the spring 305, when the first fixed rod 5 passes through the rotating block 306 completely, the elastic force of the spring 305 is influenced, the rotating block 306 is reset, the second fixed rod 6 passes through the rotating block 306, the rotating block 306 rotates clockwise when the elevator car 7 moves downwards, the buffer block 308 rotates clockwise, at this time, the rotating rod 302 applies pressure to the spring 305, when the second fixed rod 6 passes through, the rotating rod 302 and the rotating block 306 are reset by the elastic force of the spring 305, the buffer block 308 is reset by gravity, and the principle of the first fixed rod 5 passes through is the same as above;

When an elevator stalls and falls down, a second fixed rod 6 rapidly passes through the rotating block 306, a larger acting force is applied to the rotating block 306 at the moment, the spring 305 is stressed to deform rapidly, the buffer block 308 rotates rapidly and clockwise, the stop block 310 limits the buffer block 308 to limit the rotation angle, the elastic force of the spring 305 also acts on other parts to reset the parts, the first fixed rod 5 reaches the top of the rotating block 306, pressure is applied to the rotating block 306, the buffer block 308 is applied to the rotating block 306, the stop block 310 limits the buffer block 308, so that the elevator car 7 is limited, buffer protection is carried out at the stall initial stage, and the elevator car 7 is prevented from falling to the bottom.

As shown in fig. 2 and 3, the quick buffer protection device for preventing the elevator from falling comprises an anchor plate 1, a fixed bolt 2 and a rotating assembly 3, wherein the fixed bolt 2 is arranged in the anchor plate 1, a rotating block 306 is rotationally connected with a rotating rod 302, a buffer block 308 is rotationally connected with the rotating rod 302, a stop block 310 is fixedly connected with the outer wall of a base 301, one side, far away from the stop block 310, of the buffer block 308 is provided with a fixed block 4, the front side of the outer wall of the fixed block 4 is provided with a first fixed rod 5, a second fixed rod 6 is arranged below the first fixed rod 5, and one side, far away from the buffer block 308, of the fixed block 4 is provided with an elevator car 7;

The elevator shaft fixing device comprises a rotating assembly 3, fixing blocks 4, fixing plates 1, fixing bolts 2, fixing blocks, fixing bolts 2 and fixing blocks, wherein the rotating assembly 3 is fixed on the inner wall of an elevator shaft through the fixing bolts 1, the fixing blocks are fixed on the two sides of the elevator shaft through the fixing bolts 2, and the elevator shaft fixing device is small in size, convenient for workers to operate and convenient for later maintenance and disassembly when an elevator is initially constructed and installed.

Working principle: when the elevator car 7 is in use, the rotating assembly 3 is firstly fixed on the inner wall of an elevator shaft through the anchor plate 1 and the fixing bolts 2, then the fixing blocks 4 are fixed on two sides of the elevator car 7, when the elevator car 7 is in normal operation and ascends, the first fixing rod 5 firstly passes through the rotating block 306, the rotating block 306 receives upward force, the limiting block 304 rotates anticlockwise, the limiting block 304 applies pressure to the spring 305 in the same way, when the first fixing rod 5 completely passes through the rotating block 306 and is influenced by the elasticity of the collecting spring 305, the rotating block 306 is reset, the second fixing rod 6 passes through the same principle, when the elevator car 7 moves downwards, the second fixing rod 6 firstly passes through the rotating block 306, the rotating block 306 rotates clockwise, the buffer block 308 also rotates clockwise, the rotating rod 302 applies pressure to the spring 305, and when the second fixing rod 6 passes through, the rotating rod 302 and the rotating block 306 are reset by the elasticity of the spring 305, the buffer block 308 is reset by gravity, the principle is the same when the first fixed rod 5 passes, when the elevator car 7 stalls, the second fixed rod 6 rapidly passes through the rotating block 306, larger acting force is applied to the rotating block 306 at the moment, the spring 305 is stressed to be rapidly deformed, the buffer block 308 rapidly rotates clockwise at the moment, the stop block 310 limits the buffer block 308 to limit the rotating angle, the elasticity of the spring 305 also acts on other parts for resetting at the moment, the first fixed rod 5 is already on the top of the rotating block 306 to apply pressure to the buffer block 308, the stop block 310 limits the buffer block 308, and therefore the elevator car 7 is limited, so that buffer protection is carried out at the stall initial stage to prevent the buffer block 308 from falling to the bottom, and the working principle is achieved.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a prevent elevator whereabouts quick buffer protection device, includes anchor plate (1), dead bolt (2) and rotating assembly (3), its characterized in that, anchor plate (1) inside is equipped with dead bolt (2) for cushioning effect rotating assembly (3) locate anchor plate (1) one side, rotating assembly (3) include base (301), dwang (302), pivoted groove (303), stopper (304) and spring (305), base (301) inside is equipped with dwang (302), base (301) inner wall and dwang (302) correspond the department and have seted up pivoted groove (303), dwang (302) outer wall is equipped with stopper (304), base (301) inner wall and stopper (304) junction are equipped with spring (305).

2. The elevator falling prevention rapid buffering protection device according to claim 1, wherein the inner wall of the base (301) is elastically connected with limiting blocks (304), the number of the anchor plates (1) is two, the two anchor plates (1) are fixedly connected with the outer wall of the base (301) respectively, the number of the limiting blocks (304) is two, and the springs (305) are fixedly connected with opposite surfaces of the two limiting blocks (304) respectively.

3. The elevator falling prevention rapid buffering protection device according to claim 2, wherein the rotating assembly (3) further comprises a rotating block (306) and a rotating hole (307), the rotating block (306) is sleeved on the outer wall of one side, far away from the base (301), of the rotating rod (302), and the rotating hole (307) is formed in the position, corresponding to the rotating rod (302), of the outer wall of the rotating block (306).

4. The elevator falling prevention rapid buffering protection device according to claim 3, wherein the rotating assembly (3) further comprises a buffering block (308), a through hole (309) and a stop block (310), the buffering block (308) is arranged on the outer wall of the rotating block (306), the through hole (309) is formed in the position, corresponding to the rotating rod (302), of the outer wall of the buffering block (308), and the stop block (310) is arranged on the left side of the buffering block (308).

5. The elevator drop prevention rapid buffering protection device according to claim 4, wherein the rotating block (306) is rotatably connected with the rotating rod (302), the buffering block (308) is rotatably connected with the rotating rod (302), and the stop block (310) is fixedly connected with the outer wall of the base (301).

6. The elevator falling prevention rapid buffering protection device according to claim 4, wherein a fixing block (4) is arranged on one side, away from the stop block (310), of the buffering block (308), and a first fixing rod (5) is arranged on the front side of the outer wall of the fixing block (4).

7. The rapid buffering protection device for preventing elevator falling according to claim 6, wherein a second fixing rod (6) is arranged below the first fixing rod (5), and an elevator car (7) is arranged on one side, away from the buffering block (308), of the fixing block (4).