CN218434388U

CN218434388U - Safety protection device at bottom of elevator protecting against shock sedan-chair top sedan-chair

Info

Publication number: CN218434388U
Application number: CN202222260215.XU
Authority: CN
Inventors: 郑建成; 季云金; 李晓兰
Original assignee: Jiangsu Bosman Building Equipment Co ltd
Current assignee: Jiangsu Bosman Building Equipment Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-03
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to an elevator technical field specifically is a safety arrangement at bottom of elevator protecting against shock sedan-chair top sedan-chair, the sedan-chair of elevator car pushes up the first set casing that two symmetries of fixedly connected with set up at the bottom of the sedan-chair, and is equipped with first buffer gear on the first set casing, the one end fixedly connected with second set casing that first set casing was kept away from to first buffer gear, and is equipped with the second buffer gear that two symmetries set up on the second set casing, two the one end fixedly connected with anticollision board of keeping away from the second set casing of second buffer gear. The utility model discloses in, utilize first hydraulic stem and first buffer spring's spring action through setting up first buffer gear, can offset the impact force that elevator car received and weaken, set up second buffer gear and utilize second hydraulic stem and second buffer spring's spring action, can further offset the impact force that elevator car received and weaken to further improve the protecting against shock nature of this device.

Description

Elevator protecting device against impact at bottom of car top and car bottom

Technical Field

The utility model relates to an elevator technical field specifically is a safety arrangement at bottom of elevator protecting against shock sedan-chair top sedan-chair.

Background

An elevator is a vertical elevator powered by a motor, provided with a box-shaped nacelle for carrying people or goods in a multi-storey building, and is a permanent transportation device serving a plurality of specific floors in the building, wherein a car of the elevator runs on at least two rows of rigid rails which are perpendicular to a horizontal plane or have an inclination angle smaller than 15 degrees with a vertical line, and is also in a step type, a step plate is arranged on a track to continuously run, namely an escalator or a moving sidewalk, and a fixed lifting device serving the specified floors is provided, the vertical lifting elevator is provided with a car which runs between at least two rows of rigid guide rails which are perpendicular or have an inclination angle smaller than 15 degrees, in recent years, the elevator frequently falls due to faults, casualties occur, and in case of elevator faults, accidents caused by breakage of a traction rope of the lifting car are the most serious and can often cause serious injuries or deaths.

The elevator is common technical device, but, in prior art, elevator structure is comparatively simple, has not yet to the safety arrangement of protecting against shock at the bottom of the lift car of elevator sedan-chair top, and when the elevator moved top or bottom, protectiveness was not enough, caused the damage at the bottom of the lift car top or sedan-chair easily, influenced the life of elevator, and had the potential safety hazard. Therefore, the technical personnel in the field provide a safety protection device for preventing the elevator from impacting the top and the bottom of the elevator car so as to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety arrangement at bottom of elevator protecting against shock sedan-chair top sedan-chair to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-impact car top and car bottom safety protection device for an elevator comprises an elevator car, wherein two first fixing shells which are symmetrically arranged are fixedly connected to the car top and car bottom of the elevator car, a first buffer mechanism is arranged on each first fixing shell, one end, far away from the first fixing shells, of each first buffer mechanism is fixedly connected with a second fixing shell, two second buffer mechanisms which are symmetrically arranged are arranged on each second fixing shell, and one ends, far away from the second fixing shells, of the two second buffer mechanisms are fixedly connected with an anti-collision plate;

first buffer gear includes the vertical first hydraulic stem of fixing in first set casing bottom wall center department, the one end fixedly connected with buffer block of first hydraulic stem, and the buffer block keep away from the one end of first hydraulic stem run through first set casing outwards extend and with second set casing fixed connection, two mounting grooves have been seted up to the bottom wall in first set casing, and two mounting grooves are located the bilateral symmetry setting of buffer block respectively, the horizontal branch that sets up of fixedly connected with in the mounting groove, and the branch upper cover is established and sliding connection has the sliding sleeve, the inner wall of mounting groove is through the one end fixed connection of first buffer spring with the sliding sleeve, and first buffer spring cover locates on the branch, the upside of sliding sleeve rotates through first pivot and is connected with the pendulum rod that is the slope setting, the fixed block that two symmetries of downside fixedly connected with of buffer block set up, and two fixed blocks rotate through the upper end of two second pivots and two pendulum rods and be connected.

As the utility model discloses further scheme again: second buffer gear includes the vertical loop bar of fixing on the bottom wall in the second set casing, loop bar upper end slip cover is equipped with the sleeve, and telescopic upper end run through the second set casing and with crashproof board fixed connection, fixedly connected with second buffer spring between telescopic lower extreme and the bottom wall in the second set casing, and second buffer spring cover locates on the loop bar, the bottom wall in the second set casing rotates through two third pivots and is connected with the second hydraulic stem that two slopes set up, and two second hydraulic stems are located the bilateral symmetry setting of loop bar respectively, telescopic both sides are rotated through the upper end of two fourth pivots and two second hydraulic stems and are connected.

As a further aspect of the present invention: and one end of the loop bar is fixedly connected with a sliding block in the sleeve, and the outer side wall of the sliding block is connected with the inner wall of the sleeve in a sliding manner.

As a further aspect of the present invention: the upper side of the second fixing shell is provided with a sliding hole, the sleeve penetrates through the sliding hole, and the inner wall of the sliding hole is connected with the outer side wall of the sleeve in a sliding mode.

As a further aspect of the present invention: the elevator car is kept away from to first set casing one end has seted up the opening, and the buffer block passes the opening setting, the lateral wall sliding connection of open-ended inner wall and buffer block.

As a further aspect of the present invention: the supporting rod is arranged in a cylindrical shape, and the outer side wall of the supporting rod is connected with the inner wall of the through hole of the sliding sleeve in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up first buffer gear, when the sedan-chair top or the sedan-chair bottom of elevator car contact with gallery top or bottom, crashproof board earlier rather than the contact, at this moment, the displacement of buffer block receives and blocks, elevator car displacement is followed to first set casing, first hydraulic stem receives extrusion shrink and produces elasticity, and simultaneously, two pendulum rods receive the extrusion and produce the swing, and then promote two sliding sleeves respectively on two branches toward opposite direction displacement, at this moment, two first buffer spring receive the extrusion shrink of sliding sleeve also to produce elasticity, utilize first hydraulic stem and first buffer spring's elastic force effect, can offset the impact force that elevator car received and weaken, thereby improve the protecting against shock nature of this device.

2. Through setting up second buffer gear, the elevator car displacement is followed equally to the second set casing, promotes the slider that fixes with the loop bar and slides the displacement in the sleeve, and the second hydraulic stem receives the extrusion shrink this moment and produces elasticity, and second buffer spring receives the extrusion also to contract and produces elasticity, utilizes second hydraulic stem and second buffer spring's elastic force effect, can further offset the impact force that elevator car received and weaken to further improve the protecting against shock nature of this device.

Drawings

FIG. 1 is a schematic perspective view of an elevator anti-impact top and bottom safety protection device;

fig. 2 is a schematic structural view of a front cross section of a first fixed shell in an anti-impact car top and bottom safety protection device of an elevator;

fig. 3 is a schematic front sectional view of a second stationary casing in an elevator anti-impact top and bottom safety protection device.

In the figure: 1. an elevator car; 2. a first stationary case; 3. a second stationary case; 4. an anti-collision plate; 5. a first hydraulic lever; 6. a buffer block; 7. mounting grooves; 8. a strut; 9. a sliding sleeve; 10. a first buffer spring; 11. a swing rod; 12. a fixed block; 13. a loop bar; 14. a sleeve; 15. a second buffer spring; 16. a second hydraulic rod; 17. a slide block.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an elevator anti-impact car top and car bottom safety protection device includes an elevator car 1, two first fixing shells 2 symmetrically arranged are fixedly connected to the car top and car bottom of the elevator car 1, and a first buffer mechanism is arranged on the first fixing shell 2, one end of the first buffer mechanism far away from the first fixing shell 2 is fixedly connected to a second fixing shell 3, and the second fixing shell 3 is provided with two second buffer mechanisms symmetrically arranged, one end of the two second buffer mechanisms far away from the second fixing shell 3 is fixedly connected to an anti-collision plate 4;

the first buffer mechanism comprises a first hydraulic rod 5 vertically fixed at the center of the inner bottom wall of the first fixed shell 2, one end of the first hydraulic rod 5 is fixedly connected with a buffer block 6, one end of the buffer block 6 far away from the first hydraulic rod 5 penetrates through the first fixed shell 2 to extend outwards and is fixedly connected with the second fixed shell 3, the inner bottom wall of the first fixed shell 2 is provided with two mounting grooves 7, the two mounting grooves 7 are respectively symmetrically arranged at two sides of the buffer block 6, a transversely arranged support rod 8 is fixedly connected in the mounting grooves 7, a sliding sleeve 9 is sleeved and slidably connected on the support rod 8, the inner wall of the mounting groove 7 is fixedly connected with one end of the sliding sleeve 9 through a first buffer spring 10, the first buffer spring 10 is sleeved on the support rod 8, the upper side of the sliding sleeve 9 is rotatably connected with an obliquely arranged swing rod 11 through a first rotating shaft, the lower side of the buffer block 6 is fixedly connected with two symmetrically arranged fixed blocks 12, the two fixed blocks 12 are rotatably connected with the upper ends of the two swing rods 11 through two second rotating shafts, when the car roof or the car bottom of the elevator car 1 is contacted with the tunnel roof or the bottom, the anti-collision plate 4 is contacted with the car roof or the bottom in advance, at the moment, the displacement of the buffer block 6 is blocked, the first fixed shell 2 is displaced along with the elevator car 1, the first hydraulic rod 5 is extruded and contracted to generate elastic force, meanwhile, the two swing rods 11 are extruded to generate swing, and then the two sliding sleeves 9 are pushed to respectively displace in opposite directions on the two support rods 8, at the moment, the two first buffer springs 10 are extruded and contracted by the sliding sleeves 9 to generate elastic force, and the impact force borne by the elevator car 1 can be offset and weakened by utilizing the elastic force of the first hydraulic rod 5 and the first buffer springs 10, so that the impact resistance of the device is improved;

in fig. 3: the second buffer mechanism comprises a loop bar 13 vertically fixed on the inner bottom wall of the second fixed shell 3, a sleeve 14 is sleeved at the upper end of the loop bar 13 in a sliding manner, the upper end of the sleeve 14 penetrates through the second fixed shell 3 and is fixedly connected with the anti-collision plate 4, a second buffer spring 15 is fixedly connected between the lower end of the sleeve 14 and the inner bottom wall of the second fixed shell 3, the second buffer spring 15 is sleeved on the loop bar 13, the inner bottom wall of the second fixed shell 3 is rotatably connected with two obliquely arranged second hydraulic rods 16 through two third rotating shafts, the two second hydraulic rods 16 are respectively and symmetrically arranged on two sides of the loop bar 13, two sides of the sleeve 14 are rotatably connected with the upper ends of the two second hydraulic rods 16 through two fourth rotating shafts, the second fixed shell 3 also follows the elevator car 1 to displace, a sliding block 17 fixed with the loop bar 13 is pushed to slide and displace in the sleeve 14, the second hydraulic rods 16 are squeezed and shrunk to generate elastic force, the second buffer spring 15 is squeezed and shrunk to generate elastic force, and the elevator car 1 can be further counteracted by the elastic force of the device;

in fig. 3: one end of the sleeve rod 13 in the sleeve 14 is fixedly connected with a sliding block 17, and the outer side wall of the sliding block 17 is in sliding connection with the inner wall of the sleeve 14, so that the stability of the sleeve 14 during displacement is guaranteed;

in fig. 3: a sliding hole is formed in the upper side of the second fixing shell 3, the sleeve 14 penetrates through the sliding hole, and the inner wall of the sliding hole is connected with the outer side wall of the sleeve 14 in a sliding mode, so that the sleeve 14 can move in a sliding mode conveniently;

in fig. 2: an opening is formed in one end, away from the elevator car 1, of the first fixing shell 2, the buffer block 6 penetrates through the opening, and the inner wall of the opening is connected with the outer side wall of the buffer block 6 in a sliding mode, so that the buffer block 6 can move conveniently;

in fig. 2: branch 8 is cylindrical setting, and the lateral wall of branch 8 and the through hole inner wall sliding connection of sliding sleeve 9, the sliding sleeve 9 sliding displacement of being convenient for.

The utility model discloses a theory of operation is: when the car roof or the car bottom of the elevator car 1 is in contact with the tunnel roof or the bottom, the anti-collision plate 4 is in contact with the car roof or the bottom, at the moment, the displacement of the buffer block 6 is blocked, the first fixed shell 2 moves along with the elevator car 1, the first hydraulic rod 5 is extruded and contracted to generate elastic force, meanwhile, the two swing rods 11 are extruded to generate swing, and then the two sliding sleeves 9 are pushed to respectively move on the two support rods 8 in opposite directions, at the moment, the two first buffer springs 10 are extruded and contracted by the sliding sleeves 9 to generate elastic force, and the impact force borne by the elevator car 1 can be offset and weakened by utilizing the elastic force action of the first hydraulic rod 5 and the first buffer springs 10, so that the impact resistance of the device is improved;

secondly, the second set casing 3 is the same along with elevator car 1 displacement, promotes the slider 17 fixed with loop bar 13 and slides displacement in sleeve 14, and second hydraulic stem 16 receives the extrusion shrink to produce elasticity this moment, and second buffer spring 15 receives the extrusion also to contract and produce elasticity, utilizes the elastic force effect of second hydraulic stem 16 and second buffer spring 15, can further offset the impact force that elevator car 1 received and weaken to further improve the impact resistance of this device.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. An elevator anti-impact car top and car bottom safety protection device comprises an elevator car (1) and is characterized in that the car top and car bottom of the elevator car (1) are fixedly connected with two first fixed shells (2) which are symmetrically arranged, a first buffer mechanism is arranged on each first fixed shell (2), one end, far away from the first fixed shell (2), of each first buffer mechanism is fixedly connected with a second fixed shell (3), two second buffer mechanisms which are symmetrically arranged are arranged on each second fixed shell (3), and one ends, far away from the second fixed shells (3), of the two second buffer mechanisms are fixedly connected with anti-collision plates (4);

first buffer gear includes vertical first hydraulic stem (5) of fixing in first set casing (2) bottom wall center department, the one end fixedly connected with buffer block (6) of first hydraulic stem (5), and buffer block (6) keep away from the one end of first hydraulic stem (5) run through first set casing (2) outside extend and with second set casing (3) fixed connection, two mounting grooves (7) have been seted up to the bottom wall of first set casing (2), and two mounting grooves (7) are located the bilateral symmetry setting of buffer block (6) respectively, branch (8) that fixedly connected with transversely set up in mounting groove (7), and branch (8) go up the cover and establish and sliding connection have sliding sleeve (9), the inner wall of mounting groove (7) is through the one end fixed connection of first buffer spring (10) and sliding sleeve (9), and first buffer spring (10) cover is located branch (8), the upside of sliding sleeve (9) is connected with through first pivot rotation and is the pendulum rod (11) that the slope set up, the downside fixed block (6) sets up the one end fixed block (12) of two, and two fixed blocks (12) are connected through two fixed block (11) and rotate on the pivot (12) and two fixed block (11) and rotate the second fixed block (12).

2. The elevator anti-impact car top and bottom safety protection device is characterized in that the second buffer mechanism comprises a sleeve rod (13) vertically fixed on the inner bottom wall of the second fixed shell (3), a sleeve (14) is slidably sleeved at the upper end of the sleeve rod (13), the upper end of the sleeve (14) penetrates through the second fixed shell (3) and is fixedly connected with the anti-collision plate (4), a second buffer spring (15) is fixedly connected between the lower end of the sleeve (14) and the inner bottom wall of the second fixed shell (3), the second buffer spring (15) is sleeved on the sleeve rod (13), the inner bottom wall of the second fixed shell (3) is rotatably connected with two obliquely arranged second hydraulic rods (16) through two third rotating shafts, the two second hydraulic rods (16) are symmetrically arranged on two sides of the sleeve rod (13), and two sides of the sleeve (14) are rotatably connected with the upper ends of the two second hydraulic rods (16) through two fourth rotating shafts.

3. The elevator anti-impact car top and bottom safety protection device as claimed in claim 2, wherein a sliding block (17) is fixedly connected to one end of the sleeve rod (13) in the sleeve (14), and the outer side wall of the sliding block (17) is slidably connected with the inner wall of the sleeve (14).

4. The elevator anti-impact car top and bottom safety protection device as claimed in claim 2, wherein a sliding hole is formed in the upper side of the second fixed shell (3), the sleeve (14) penetrates through the sliding hole, and the inner wall of the sliding hole is slidably connected with the outer side wall of the sleeve (14).

5. The elevator anti-impact car top and bottom safety protection device as claimed in claim 1, wherein an opening is formed in one end, away from the elevator car (1), of the first fixing shell (2), the buffer block (6) penetrates through the opening, and the inner wall of the opening is slidably connected with the outer side wall of the buffer block (6).

6. The elevator anti-impact car top and bottom safety protection device as claimed in claim 1, wherein the support rod (8) is cylindrical, and the outer side wall of the support rod (8) is slidably connected with the inner wall of the through hole of the sliding sleeve (9).