CN219906610U - Buffer protection structure of elevator well - Google Patents

Abstract

The utility model belongs to the technical field of elevator buffering, in particular to an elevator hoistway buffering protection structure, which comprises a bottom plate and a buffering plate, wherein two symmetrically distributed and fixed mounting plates are arranged on the top surface of the bottom plate, a fixing rod is fixedly connected between the two mounting plates, a fixing column is fixed on the outer wall of the fixing rod, and moving plates are slidably connected to the fixing rod at two ends of the fixing column; according to the elevator hoistway buffer protection structure, through the matched use of the square groove, the reset spring, the square block, the second inclined surface groove, the moving plate and the first inclined surface groove, the resistance of the moving plate during movement can be increased, the speed of oscillation of the first buffer spring and the second buffer spring can be reduced, the impact force of the buffer plate is reduced, the buffer effect on an elevator is improved, the elevator is prevented from suddenly stopping moving when rapidly falling, and accordingly injury to personnel in the elevator is avoided.

Description

Buffer protection structure of elevator well

Technical Field

The utility model belongs to the technical field of elevator buffering, and particularly relates to an elevator shaft buffering protection structure.

Background

An elevator shaft, called a shaft for short, is a vertical passage in a building for the elevator to travel up and down. The cross section is rectangular or square, one hoistway is generally used for one elevator, two or more elevators can be used in parallel in a special condition, a door opening is formed in the floor of each floor, hoistway doors can be installed, and a buffer device is installed in the hoistway to provide buffer protection when the operation of the elevator is stopped in the elevator installation;

the utility model discloses an elevator well buffer protection structure, which comprises a mounting cylinder, wherein the inner wall of the mounting cylinder is slidably connected with a movable block, the top of the movable block is fixedly connected with a push rod, the push rod penetrates through the mounting cylinder and extends to the outside of the mounting cylinder, the bottom of the push rod is fixedly connected with a buffer spring, one end of the buffer spring, which is far away from the movable block, is fixedly connected with the bottom of the inner wall of the mounting cylinder, a limiting mechanism is arranged between the movable block and the mounting cylinder, and the limiting mechanism comprises a mounting box. According to the elevator shaft buffer protection structure, through the arrangement of the limiting mechanism, the first limiting rack is attached to the second limiting rack under the action of the reset spring, the movable plate and the connecting rod, so that the rebound phenomenon of the movable block and the ejector rod is avoided, secondary injury is caused to an elevator and personnel in the elevator, and the rebound of the anti-collision plate causes secondary injury to surrounding equipment or personnel;

however, when the elevator falls down, the movable block can be pushed to move downwards and extrude the buffer spring to enable the buffer spring to shrink, and at the moment, the limiting mechanism can limit and fix the movable block instantly, so that the buffer spring can not convert impact force into continuous oscillation for a long time, and certain limitation exists when the elevator falls down rapidly, if the elevator stops moving suddenly, certain damage is easily caused to personnel in the elevator rapidly.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a buffer protection structure of an elevator shaft, which has the characteristic of being convenient for buffering an elevator.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an elevator well buffering protection architecture, includes bottom plate and buffer plate, the top surface of bottom plate has two symmetrical distribution fixed mounting panels, and two fixedly connected with dead lever between the mounting panel, the outer wall of dead lever is fixed with the dead lever be located on the dead lever the both ends of dead lever all sliding connection has the movable plate, and two the top surface of movable plate all has two symmetrical distribution fixed connection's first locating plate, and just two between the first locating plate all is connected with the connecting plate through the pivot, just the bottom surface of buffer plate is fixed with the fixed plate, two symmetrical distribution fixed connection's second locating plate has at two the both ends of fixed plate, and two the head end of connecting plate is connected respectively through the pivot between two the second locating plate;

the top surface of bottom plate is located the position equidistance between mounting panel and the movable plate and has seted up a plurality of square grooves the second buffer spring has all been seted up at square groove's medial surface both ends, just square groove's inside sliding connection has square piece, square piece's both ends all are fixed with the guide block, and two guide block sliding connection is respectively in second buffer spring's inside reset spring has still been placed in square groove's inside, reset spring is located between square piece and the medial surface of square groove, at a plurality of two second inclined plane grooves have been seted up at square piece's top surface, two first inclined plane grooves have all been seted up in the bottom of movable plate.

As a preferable technical scheme of the utility model, the four corners of the bottom end of the buffer plate are respectively fixed with a mounting rod, and the bottom surfaces of the four mounting rods penetrate through the mounting plate and the bottom plate.

As a preferable technical scheme of the utility model, the outer walls of the four mounting rods are respectively sleeved with a first buffer spring, and the first buffer springs are positioned between the buffer plate and the mounting plate.

As a preferred embodiment of the present utility model, the sum of the heights of the base plate and the mounting plate is smaller than the height of the mounting bar.

As a preferable technical scheme of the utility model, the sum of the lengths of the two movable plates and the fixed column is larger than the sum of the lengths of the two second positioning plates and the fixed plate.

As a preferable technical scheme of the utility model, the connecting plate is made of iron.

Compared with the prior art, the utility model has the beneficial effects that: according to the elevator hoistway buffer protection structure, through the matched use of the square groove, the reset spring, the square block, the second inclined surface groove, the moving plate and the first inclined surface groove, the resistance of the moving plate during movement can be increased, the speed of oscillation of the first buffer spring and the second buffer spring can be reduced, the impact force of the buffer plate is reduced, the buffer effect on an elevator is improved, the elevator is prevented from suddenly stopping moving when rapidly falling, and accordingly injury to personnel in the elevator is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of a base plate according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in the present utility model;

in the figure: 1. a bottom plate; 2. a mounting plate; 3. a fixed rod; 4. a moving plate; 5. a first bevel groove; 6. fixing the column; 7. a buffer plate; 8. a first positioning plate; 9. a connecting plate; 10. a fixing plate; 11. a second positioning plate; 12. a mounting rod; 13. a first buffer spring; 14. a square groove; 15. a return spring; 16. square blocks; 17. a second bevel groove; 18. a second buffer spring; 19. and a guide block.

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.

Referring to fig. 1-3, the present utility model provides the following technical solutions: in this embodiment, an elevator hoistway buffer protection structure includes a bottom plate 1 and a buffer plate 7, the top surface of the bottom plate 1 is provided with two mounting plates 2 which are symmetrically distributed and fixed, a fixing rod 3 is fixedly connected between the two mounting plates 2, a fixing column 6 is fixed on the outer wall of the fixing rod 3, two ends of the fixing column 6 on the fixing rod 3 are slidably connected with a movable plate 4, the top surfaces of the two movable plates 4 are respectively provided with two first positioning plates 8 which are symmetrically distributed and fixedly connected, a connecting plate 9 is connected between the two first positioning plates 8 through a rotating shaft, the bottom surface of the buffer plate 7 is fixedly provided with a fixing plate 10, two second positioning plates 11 which are symmetrically distributed and fixedly connected are respectively arranged at the two ends of the two fixing plates 10, and the head ends of the two connecting plates 9 are respectively connected between the two second positioning plates 11 through rotating shafts;

the top surface of the bottom plate 1 is positioned between the mounting plate 2 and the moving plate 4, a plurality of square grooves 14 are formed in the position between the mounting plate 2 and the moving plate 4 at equal intervals, second buffer springs 18 are formed at two ends of the inner side surface of each square groove 14, square blocks 16 are connected in a sliding mode in the square grooves 14, guide blocks 19 are fixed at two ends of each square block 16, the two guide blocks 19 are respectively connected in the second buffer springs 18 in a sliding mode, a reset spring 15 is further arranged in each square groove 14, the reset spring 15 is positioned between each square block 16 and the inner side surface of each square groove 14, two second inclined surface grooves 17 are formed in the top surfaces of the square blocks 16, and two first inclined surface grooves 5 are formed in the bottom ends of the two moving plates 4; when the elevator descends rapidly, the buffer plate 7 is extruded downwards, the two connecting plates 9 are utilized to push the two moving plates 4 to move towards two sides, and when the two moving plates 4 move, the second buffer spring 18 is extruded to shrink, so that the second buffer spring 18 can convert impact force into continuous oscillation for a long time, and meanwhile, the moving plates 4 can utilize the first inclined surface grooves 5 to extrude and rub the second inclined surface grooves 17 formed in the square grooves 14, a certain resistance can be formed on the moving plates 4, the square blocks 16 can slide towards the inside of the square grooves 14 and extrude the reset spring 15 to shrink, the speed of oscillation of the moving plates 4 can be slowed down by utilizing the square blocks 16, and therefore impact force born by the buffer plate 7 is reduced, the buffer effect on the elevator is improved, the elevator is prevented from stopping moving suddenly when the elevator descends rapidly, and injury to personnel in the elevator is avoided.

Specifically, as can be seen from fig. 1 and fig. 2, in this embodiment, mounting rods 12 are fixed at four corners of the bottom end of the buffer plate 7, the bottom surfaces of the four mounting rods 12 penetrate through the mounting plate 2 and the bottom plate 1, first buffer springs 13 are sleeved on the outer walls of the four mounting rods 12, and the first buffer springs 13 are located between the buffer plate 7 and the mounting plate 2; when the device is used, the buffer effect of the device can be increased, and the elastic potential energy of the first buffer spring 13 and the second buffer spring 18 can be utilized to reset the two movable plates 4.

Specifically, as can be seen from fig. 1, in this embodiment, the sum of the heights of the base plate 1 and the mounting plate 2 is smaller than the height of the mounting rod 12; so that the mounting bar 12 can slide into the base plate 1 and the mounting plate 2 while preventing the mounting bar 12 from sliding off the mounting plate 2.

Specifically, as can be seen from fig. 2, in the present embodiment, the sum of the lengths of the two moving plates 4 and the fixed column 6 is greater than the sum of the lengths of the two second positioning plates 11 and the fixed plate 10; so that the connecting plate 9 can be always in an inclined state for the purpose of buffering the elevator.

Specifically, as can be seen from fig. 2, in this embodiment, the connecting plate 9 is made of iron; so that the connecting plate 9 is not easy to bend and convenient to use.

The working principle and the using flow of the utility model are as follows: in the elevator shaft buffer protection structure, when an elevator descends rapidly, the buffer plate 7 is extruded downwards, the two moving plates 4 are pushed to move towards two sides by utilizing the two connecting plates 9, and when the two moving plates 4 move, the second buffer spring 18 is extruded to shrink, so that the second buffer spring 18 can convert impact force into continuous oscillation for a long time, meanwhile, the moving plates 4 can extrude and rub the second inclined surface grooves 17 formed on the square grooves 14 by utilizing the first inclined surface grooves 5, a certain resistance can be formed on the moving plates 4, meanwhile, the square blocks 16 slide towards the inside of the square grooves 14 and extrude the reset spring 15 to shrink, and the oscillating speed of the moving plates 4 can be slowed down by utilizing the square blocks 16, so that the impact force born by the buffer plate 7 is reduced, the buffer effect on the elevator is improved, the elevator is prevented from suddenly stopping moving when the elevator descends rapidly, and injury to personnel in the elevator is avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an elevator well buffering protection architecture, includes bottom plate (1) and buffer board (7), its characterized in that: the top surface of the bottom plate (1) is provided with two symmetrically distributed and fixed mounting plates (2), a fixing rod (3) is fixedly connected between the two mounting plates (2), a fixing column (6) is fixed on the outer wall of the fixing rod (3), two ends of the fixing column (6) on the fixing rod (3) are slidably connected with a movable plate (4), the top surfaces of the two movable plates (4) are respectively provided with two symmetrically distributed and fixedly connected first positioning plates (8), a connecting plate (9) is connected between the two first positioning plates (8) through a rotating shaft, a fixing plate (10) is fixed on the bottom surface of the buffer plate (7), two symmetrically distributed and fixedly connected second positioning plates (11) are respectively arranged at the two ends of the two fixing plates (10), and the head ends of the two connecting plates (9) are respectively connected between the two second positioning plates (11) through rotating shafts;

the top surface of bottom plate (1) is located the position equidistance between mounting panel (2) and movable plate (4) and has been seted up a plurality of square grooves (14) second buffer spring (18) have all been seted up at square groove (14) medial surface both ends, just square groove (14)'s inside sliding connection has square piece (16), the both ends of square piece (16) all are fixed with guide block (19), and two guide block (19) sliding connection respectively in the inside of second buffer spring (18) reset spring (15) have still been placed in square groove (14) inside, reset spring (15) are located between square piece (16) and the medial surface of square groove (14), two second inclined plane grooves (17) have been seted up at a plurality of square piece (16) top surface, two first inclined plane grooves (5) have all been seted up in the bottom of movable plate (4).

2. The elevator hoistway buffer protection structure of claim 1, wherein: the bottom four corners of the buffer plate (7) are respectively fixed with a mounting rod (12), and the bottom surfaces of the four mounting rods (12) respectively penetrate through the mounting plate (2) and the bottom plate (1).

3. The elevator hoistway buffer protection structure of claim 2, wherein: the outer walls of the four mounting rods (12) are also sleeved with first buffer springs (13), and the first buffer springs (13) are positioned between the buffer plate (7) and the mounting plate (2).

4. The elevator hoistway buffer protection structure of claim 2, wherein: the sum of the heights of the bottom plate (1) and the mounting plate (2) is smaller than the height of the mounting rod (12).

5. The elevator hoistway buffer protection structure of claim 1, wherein: the sum of the lengths of the two moving plates (4) and the fixed column (6) is larger than the sum of the lengths of the two second positioning plates (11) and the fixed plate (10).

6. The elevator hoistway buffer protection structure of claim 1, wherein: the connecting plate (9) is made of iron.