CN213742674U

CN213742674U - Can overhaul and use guardrail to elevator of unexpected collision buffering

Info

Publication number: CN213742674U
Application number: CN202022325709.2U
Authority: CN
Inventors: 朱恩怀; 龙建; 张治国
Original assignee: Yunnan Otong Elevator Co ltd
Current assignee: Yunnan Otong Elevator Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-20
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a can overhaul and use guardrail to elevator of unexpected collision buffering, including elevator sedan-chair top, guardrail base, stopper and screw hole, the guardrail base is installed at the top on elevator sedan-chair top, and the outside middle part of guardrail base is connected with the bull stick to the tip of bull stick runs through the hub connection in erecting the groove, erects the groove moreover and sets up in the top surface middle part of guardrail base, the middle part cover of bull stick is equipped with the commentaries on classics piece, and the commentaries on classics piece is located and erects the groove to the bottom surface edge of bull stick installs the fixed block, the inside of fixed block has the movable block through expanding spring connection, and the movable block is connected in the draw-in groove, and the draw-in groove is set up on the outside terminal surface of guardrail base, erect and be connected with the guardrail board in the groove, the longitudinal groove has been seted up on the inner wall of shock attenuation board. This can overhaul and use guardrail to elevator of unexpected collision buffering can be to the lazy high quick adjustment that highly carries out of protection, can cushion and the shock attenuation to unexpected collision simultaneously.

Description

Can overhaul and use guardrail to elevator of unexpected collision buffering

Technical Field

The utility model relates to an elevator overhauls rail guard technical field, specifically is a can overhaul and use guardrail to elevator of unexpected collision buffering.

Background

The elevator is a common device in daily life, which mainly serves fixed lifting equipment of a specified floor, after the elevator is used for a period of time, the elevator needs to be overhauled for safety, and in the process of overhauling, for the safety of the overhauling personnel, the elevator overhauling protective guard is used, however, the existing elevator overhauling protective guard has the following problems:

current elevator overhauls rail guard, when using, highly generally fixed, when people of different heights maintain the elevator and overhaul, it is comparatively troublesome that the rail guard of difference need be changed, be not convenient for highly carry out quick adjustment to the rail guard, simultaneously, current elevator overhauls the rail guard in the use, when meetting unexpected collision, easily takes place to remove, is not convenient for cushion and the shock attenuation to unexpected collision.

Aiming at the problems, innovative design is urgently needed on the basis of the original elevator maintenance protective guard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can overhaul and use guardrail to elevator of unexpected collision buffering to solve above-mentioned background art and propose that current elevator overhauls rail guard is not convenient for carry out quick adjustment to the lazy height that highly carries out of protection, is not convenient for simultaneously cushion and absorbing problem to unexpected collision.

In order to achieve the above object, the utility model provides a following technical scheme: a guardrail for elevator maintenance capable of buffering accidental collision comprises an elevator car top, a guardrail base, a limiting block and threaded holes, wherein the guardrail base is installed at the top of the elevator car top, a rotating rod is connected to the middle of the outer side of the guardrail base, the end part of the rotating rod penetrates through a shaft and is connected to a vertical groove, the vertical groove is formed in the middle of the top surface of the guardrail base, a rotating block is sleeved at the middle of the rotating rod and is positioned in the vertical groove, a fixing block is installed at the edge of the bottom surface of the rotating rod, the inside of the fixing block is connected with a movable block through a telescopic spring, the movable block is connected to a clamping groove, the clamping groove is formed in the end surface of the outer side of the guardrail base, a guardrail plate is connected to the vertical groove, transverse grooves are formed in the front side and the rear side of the guardrail plate, damping plates are connected to the left side and the right side of the transverse grooves, a first damping spring is connected between the damping plates, longitudinal grooves are formed in the inner wall of the damping plates, and a moving block is connected in the longitudinal groove, the end part of the moving block is connected with an X-shaped connecting rod, and a second damping spring is connected between the X-shaped connecting rods.

Preferably, a limiting block is installed at the joint between the guardrail bases, a threaded hole is formed in the bottom of the limiting block, and the limiting block is designed to be of an isosceles triangle structure.

Preferably, the rotating block is designed into a water-drop-shaped structure, and the surface of the rotating block is always connected with the bottom of the guardrail plate.

Preferably, the end part of the movable block is designed to be a spherical structure, and the movable block and the fixed block form an elastic telescopic structure through a telescopic spring.

Preferably, the clamping grooves are distributed in a semicircular shape and are clamped with the movable blocks.

Preferably, the damping plate and the moving block are connected with the transverse groove and the longitudinal groove in a sliding mode, and the damping plate and the moving block are attached to the transverse groove and the longitudinal groove.

Compared with the prior art, the beneficial effects of the utility model are that: the guardrail for elevator maintenance can buffer accidental collision;

1. through the arrangement of the rotating rod, the vertical groove, the rotating block, the telescopic spring, the movable block and the clamping groove, when the rotating rod drives the rotating block to rotate in the vertical groove, the guardrail plate can move up and down in the vertical groove, so that the use height of the guardrail is changed, the guardrail is suitable for people with different heights, and the movable block is mutually matched with the telescopic spring and clamped into the clamping grooves at different positions, so that the rotated state is fixed;

2. through the transverse groove that sets up, the damper plate, first damping spring, indulge the groove, the movable block, X shape connecting rod and second damping spring for the guardrail board is when receiving the physical collision, and the damper plate can compress first damping spring and remove in the transverse groove, carries out the first layer buffering, and then X shape connecting rod receives pressure will stretch second damping spring and drive the movable block and remove in will indulging the groove, carries out the buffering of second layer, and then cushions impact and the vibrations that the external force produced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall top view structure of the present invention;

FIG. 3 is a schematic view of a top-down structure of the guardrail plate of the present invention;

FIG. 4 is a schematic side view of the rotary block of the present invention;

FIG. 5 is a schematic diagram of a side view of the slot of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an elevator car roof; 2. a guardrail base; 3. a rotating rod; 4. a vertical slot; 5. rotating the block; 6. a fixed block; 7. a tension spring; 8. a movable block; 9. a card slot; 10. a guardrail plate; 11. a transverse groove; 12. a damper plate; 13. a first damping spring; 14. a longitudinal groove; 15. a moving block; 16. an X-shaped connecting rod; 17. a second damping spring; 18. a limiting block; 19. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a guardrail for elevator maintenance capable of buffering accidental collisions comprises an elevator car top 1, a guardrail base 2, a rotating rod 3, a vertical groove 4, a rotating block 5, a fixed block 6, a telescopic spring 7, a movable block 8, a clamping groove 9, a guardrail plate 10, a transverse groove 11, a damping plate 12, a first damping spring 13, a longitudinal groove 14, a movable block 15, an X-shaped connecting rod 16, a second damping spring 17, a limiting block 18 and a threaded hole 19, wherein the guardrail base 2 is installed at the top of the elevator car top 1, the middle part of the outer side of the guardrail base 2 is connected with the rotating rod 3, the end part of the rotating rod 3 penetrates through the shaft and is connected into the vertical groove 4, the vertical groove 4 is arranged in the middle part of the top surface of the guardrail base 2, the rotating block 5 is sleeved at the middle part of the rotating rod 3 and is positioned in the vertical groove 4, the fixed block 6 is installed at the edge of the bottom surface of the rotating rod 3, the movable block 8 is connected into the fixed block 6 through the telescopic spring 7, the movable block 8 is connected into the clamping groove 9, the clamping groove 9 is formed in the end face of the outer side of the guardrail base 2, the guardrail plate 10 is connected into the vertical groove 4, the transverse grooves 11 are formed in the front side and the rear side of the guardrail plate 10, the damping plates 12 are connected to the left side and the right side of the transverse grooves 11, the first damping springs 13 are connected between the damping plates 12, the longitudinal grooves 14 are formed in the inner walls of the damping plates 12, the movable block 15 is connected into the longitudinal grooves 14, the end portion of the movable block 15 is connected with the X-shaped connecting rod 16, and the second damping springs 17 are connected between the X-shaped connecting rods 16;

a limiting block 18 is arranged at the joint between the guardrail bases 2, a threaded hole 19 is formed in the bottom of the limiting block 18, and the limiting block 18 is designed to be in an isosceles triangle structure, so that when the guardrail bases 2 are connected, the limiting block 18 can fix and limit the adjacent two guardrail bases 2 through the threaded hole 19, and the guardrail bases 2 are prevented from moving relatively in the using process;

the rotating block 5 is designed into a water-drop-shaped structure, and the surface of the rotating block 5 is always connected with the bottom of the guardrail plate 10, so that the rotating block 5 can push the guardrail plate 10 out of different heights in the vertical groove 4, and further the height of the guardrail plate 10 can be adjusted;

the end part of the movable block 8 is designed into a spherical structure, and the movable block 8 forms an elastic telescopic structure with the fixed block 6 through the telescopic spring 7, so that the telescopic spring 7 can be extruded by the movable block 8 in the moving process, and then the movable block is retracted into the fixed block 6, and then the movable block can be pushed out from the inside of the fixed block 6 due to the elastic action of the telescopic spring 7;

the clamping grooves 9 are distributed in a semicircular shape, and the clamping grooves 9 are mutually clamped with the movable blocks 8, so that the arrangement condition of the clamping grooves 9 is the same as the advancing path of the movable blocks 8, and the movable blocks 8 are correspondingly clamped with the clamping grooves 9 when moving;

the damping plate 12 and the moving block 15 are slidably connected with the transverse groove 11 and the longitudinal groove 14, and the damping plate 12 and the moving block 15 are attached to the transverse groove 11 and the longitudinal groove 14, so that when the shock absorber receives a collision, the damping plate 12 and the moving block 15 compress the first damping spring 13 and the second damping spring 17 to slide between the transverse groove 11 and the longitudinal groove 14, and further the received collision force is weakened step by step.

The working principle is as follows: in using the guardrail for elevator inspection capable of buffering accidental collisions as shown in fig. 1-2 and 4-6, first, the height of the guardrail plate 10 is adjusted according to the actual height of a user, the rotating rod 3 is rotated, the rotating rod 3 drives the rotating block 5 to rotate in the vertical groove 4, the guardrail plate 10 is pushed out in the vertical groove 4 after the rotating block 5 rotates, and in the rotating process, the movable block 8 can compress the extension spring 7 to return to the fixed block 6, after the position is adjusted to a proper position, the expansion spring 7 can push the movable block 8 outwards due to the elastic force and clamp the movable block into the corresponding clamping groove 9, the adjusted state is fixed, then the limiting block 18 is arranged between the guardrail bases 2 in a fitting manner, then, the fixing nail is nailed from the threaded hole 19 to fix the guardrail base 2, so that the guardrail base is prevented from moving in the using process;

as shown in fig. 1 and 3, when the shock absorbing plate 12 is impacted by external force during maintenance, the shock absorbing plate 12 is acted by force, and then the first shock absorbing spring 13 is compressed to move in the longitudinal groove 14, so as to perform first-layer shock absorption, and the shock absorbing plate 12 moves while driving the moving block 15 to slide in the longitudinal groove 14, and after the moving block 15 slides, the X-shaped connecting rod 16 is driven to perform opening and closing movement, and then the second shock absorbing spring 17 is stretched and contracted, so as to complete second shock absorption, and after multiple rebounds, the impact force is gradually relieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can overhaul and use guardrail to elevator of unexpected collision buffering, includes elevator cab (1), guardrail base (2), stopper (18) and screw hole (19), its characterized in that: the guardrail comprises an elevator car top (1), a guardrail base (2) is installed at the top of the elevator car top (1), a rotating rod (3) is connected to the middle of the outer side of the guardrail base (2), the end portion of the rotating rod (3) penetrates through a shaft to be connected into a vertical groove (4), the vertical groove (4) is formed in the middle of the top surface of the guardrail base (2), a rotating block (5) is sleeved at the middle of the rotating rod (3), the rotating block (5) is located in the vertical groove (4), a fixed block (6) is installed at the edge of the bottom surface of the rotating rod (3), a movable block (8) is connected to the inside of the fixed block (6) through a telescopic spring (7), the movable block (8) is connected into a clamping groove (9), the clamping groove (9) is formed in the end face of the outer side of the guardrail base (2), a guardrail plate (10) is connected into the vertical groove (4), and transverse grooves (11) are formed in the front side and the rear side of the guardrail plate (10), and the left and right sides of the transverse groove (11) are connected with damping plates (12), a first damping spring (13) is connected between the damping plates (12), a longitudinal groove (14) is formed in the inner wall of each damping plate (12), a moving block (15) is connected in each longitudinal groove (14), the end part of each moving block (15) is connected with an X-shaped connecting rod (16), and a second damping spring (17) is connected between the X-shaped connecting rods (16).

2. The guardrail for elevator maintenance capable of buffering accidental collision according to claim 1, characterized in that: a limiting block (18) is installed at the joint between the guardrail bases (2), a threaded hole (19) is formed in the bottom of the limiting block (18), and the limiting block (18) is designed to be of an isosceles triangle structure.

3. The guardrail for elevator maintenance capable of buffering accidental collision according to claim 1, characterized in that: the rotating block (5) is designed into a water drop-shaped structure, and the surface of the rotating block (5) is always connected with the bottom of the guardrail plate (10).

4. The guardrail for elevator maintenance capable of buffering accidental collision according to claim 1, characterized in that: the end part of the movable block (8) is designed to be a spherical structure, and the movable block (8) forms an elastic telescopic structure with the fixed block (6) through a telescopic spring (7).

5. The guardrail for elevator maintenance capable of buffering accidental collision according to claim 1, characterized in that: the clamping grooves (9) are distributed in a semicircular shape, and the clamping grooves (9) are clamped with the movable blocks (8) mutually.

6. The guardrail for elevator maintenance capable of buffering accidental collision according to claim 1, characterized in that: the damping plate (12) and the moving block (15) are in sliding connection with the transverse groove (11) and the longitudinal groove (14), and the damping plate (12) and the moving block (15) are attached to the transverse groove (11) and the longitudinal groove (14).