CN210029671U

CN210029671U - Anti-falling elevator car

Info

Publication number: CN210029671U
Application number: CN201920575769.4U
Authority: CN
Inventors: 付桂生; 邬志坚; 聂世杰; 杜建芳; 邱燕
Original assignee: ASIA FUJI CHANGLIN ELEVATOR (XINYU) Co Ltd
Current assignee: ASIA FUJI CHANGLIN ELEVATOR (XINYU) Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-07
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a prevent elevator car that falls, including car main part, car main part sets up inside the well, car main part's both sides outer wall all is fixed with the connecting plate that the equidistance distributes, the fixed slot that the equidistance distributes is all seted up to the both sides inner wall of well, and one side inner wall of fixed slot is fixed with the air spring, the one end of air spring is fixed with the accessory plate, and one side outer wall of accessory plate is fixed with the card strip with the connecting plate looks adaptation, the mounting groove that the equidistance distributes is all seted up to the both sides inner wall of well. The utility model discloses when car main part descends in the hypervelocity, clearance air flow rate between connecting plate and the card strip accelerates for atmospheric pressure reduces, thereby makes air spring promote the accessory plate and block the strip, utilizes the card strip to block the both sides of car main part, thereby prevents that car main part from falling, avoids causing the damage of car and the injures and deaths of personnel, improves the security that elevator car used.

Description

Anti-falling elevator car

Technical Field

The utility model relates to an elevator technical field especially relates to a prevent elevator car that falls.

Background

The elevator is a vertical elevator powered by a motor, is provided with a box-shaped nacelle for carrying people or goods in a multistory building, becomes an essential part of people's daily life with the improvement of economic level and the continuous development of elevator technology, and is provided with a car, and the lifting of the car of the elevator is generally realized by the traction power of a driving mechanism and a traction steel wire rope.

The lift car is a box-shaped space used for bearing and transporting personnel and materials, generally comprises main components such as a lift car bottom, a lift car wall, a lift car top and a lift car door, and in the process of actually using the lift, the lift falls when exceeding a preset speed, so that the damage to the lift is caused, and potential safety hazards also exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a falling-proof elevator car.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent elevator car that falls, includes car main body, car main body sets up inside the well, car main body's both sides outer wall all is fixed with the connecting plate that the equidistance distributes, the fixed slot that the equidistance distributes is all seted up to the both sides inner wall of well, and one side inner wall of fixed slot is fixed with the air spring, the one end of air spring is fixed with the accessory plate, and one side outer wall of accessory plate is fixed with the card strip with the connecting plate looks adaptation, the mounting groove that the equidistance distributes is all seted up to the both sides inner wall of well, be connected with the auxiliary roll through the damping pivot between the both ends inner wall of mounting groove, and the circumference outer wall of auxiliary roll is fixed with the accessory strip that.

Preferably, the both sides of well bottom all are provided with the buffer board, and are connected with the buffer spring of equidistance distribution between the bottom outer wall of buffer board and the bottom inner wall of well.

Preferably, the one end of buffer board bottom outer wall articulates there is the connecting rod, and the bottom of connecting rod articulates there is the slider.

Preferably, a sliding groove is formed in the position, corresponding to the sliding block, of the inner wall of the bottom of the well, a sliding rod is fixed between the inner walls of the two sides of the sliding groove, a through hole is formed in the outer wall of one side of the sliding block, and the circumferential inner wall of the through hole is in sliding connection with the circumferential outer wall of the sliding rod.

Preferably, a connecting spring is fixed between the outer wall of one side of the sliding block, which is far away from the connecting rod, and the inner wall of one side of the sliding groove.

Preferably, the bottom sliding connection between the inner walls of the two sides of the car body is provided with a bottom plate, and auxiliary springs distributed at equal intervals are fixed between the outer wall of the bottom plate and the inner wall of the bottom of the car body.

Preferably, the both ends of bottom plate both sides outer wall all are provided with the stopper, and the spacing groove has been seted up with the position that the stopper corresponds to car main part both sides inner wall, is fixed with the gag lever post between the top of gag groove and the bottom inner wall, and the through-hole has been seted up to the top outer wall of stopper, the circumference inner wall of through-hole and the circumference outer wall sliding connection of gag lever post.

The utility model has the advantages that:

1. the lift car body is lifted in the shaft through a traction steel wire rope and a corresponding driving mechanism, auxiliary plates which are distributed at equal intervals are connected with two sides of the shaft through air springs, clamping strips which are distributed at equal intervals are fixed on one side of each auxiliary plate and are matched with connecting plates on two sides of the lift car body, when the main body of the cage descends in an overspeed way, the air flow rate of the clearance between the connecting plate and the clamping strip is accelerated, so that the air pressure is reduced, thereby the air spring pushes the auxiliary plate and the clamping strip, the clamping strip is utilized to clamp the two sides of the car main body, thereby the car main body is prevented from falling, the damage of the car and the casualties of personnel are avoided, the use safety of the elevator car is improved, simultaneously, the two sides of the hoistway are rotatably connected with auxiliary rollers by damping rotating shafts, and auxiliary strips on the outer walls of the auxiliary rollers are matched with the connecting plates, so that the damping rotating shafts are utilized to enhance the buffer effect when the car body falls.

2. Utilize buffer spring to be connected with two buffer boards in the bottom of well, the bottom of buffer board is passed through the connecting plate and is connected with the slider, when car main part bottom and buffer board contact, makes the vertical decline of buffer board, and the slider is along spout horizontal migration to utilize buffer spring and connecting spring reinforcing car main part to reduce the damage to the car at the buffering effect that falls to the well bottom.

3. Further, the bottom in car main part inside utilizes the auxiliary spring that the equidistance distributes to be connected with the bottom plate, and the four corners position of bottom all is through the spacing groove sliding connection of stopper and car main part inner wall, when elevator car takes place the variable speed, utilizes auxiliary spring's deformation to reduce the variable speed degree of bottom plate to improve personnel's comfortable degree on the bottom plate, improve elevator car's result of use.

Drawings

Fig. 1 is a schematic view of the overall structure of a fall-prevention elevator car provided by the present invention;

fig. 2 is a schematic cross-sectional structural view of a fall-preventing elevator car provided by the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a car body of a fall-proof elevator car provided by the utility model.

In the figure: 1 car main part, 2 connecting plates, 3 air springs, 4 auxiliary plates, 5 clamping strips, 6 auxiliary rollers, 7 auxiliary strips, 8 buffer springs, 9 buffer plates, 10 connecting rods, 11 sliding blocks, 12 connecting springs, 13 bottom plates, 14 auxiliary springs, 15 limiting blocks and 16 limiting rods.

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.

Example 1

Referring to fig. 1-2, a falling-proof elevator car comprises a car body 1, wherein the car body 1 is arranged in a hoistway, the top end of the car body 1 is fixedly connected with a traction steel wire rope, the top end of the traction steel wire rope is connected with a driving mechanism, the outer walls of the two sides of the car body 1 are respectively fixed with connecting plates 2 which are distributed at equal intervals, the inner walls of the two sides of the hoistway are respectively provided with fixing grooves which are distributed at equal intervals, the inner wall of one side of each fixing groove is fixed with a horizontally arranged air spring 3, one end of the air spring 3 is fixed with an auxiliary plate 4, the outer walls of the top, the bottom and the two ends of the auxiliary plate 4 are respectively in sliding connection with the inner walls of the top, the bottom and the two ends of the fixing groove, the outer wall of one side of the auxiliary plate 4, which is far, and the mounting groove and the fixed slot are distributed at intervals, the inner walls of the two ends of the mounting groove are connected with an auxiliary roller 6 through a damping rotating shaft, the outer wall of the circumference of the auxiliary roller 6 is fixed with auxiliary strips 7 distributed in an annular array, and the auxiliary strips 7 are matched with the connecting plate 2.

In the utility model, two sides of the bottom of the well are both provided with buffer plates 9, buffer springs 8 which are distributed equidistantly are connected between the outer wall of the bottom of the buffer plate 9 and the inner wall of the bottom of the well, one end of the outer wall of the bottom of the buffer plate 9 is hinged with a connecting rod 10, and the two connecting rods 10 are respectively positioned at the two ends of the bottom of the car body 1, the bottom ends of the connecting rods 10 are hinged with sliding blocks 11, the inner wall of the bottom of the hoistway is provided with a sliding chute at the position corresponding to the sliding blocks 11, and the bottom and both ends inner wall of spout respectively with the bottom and both ends outer wall sliding connection of slider 11, be fixed with the slide bar between the both sides inner wall of spout, one side outer wall of slider 11 has seted up the perforation, perforated circumference inner wall and the circumference outer wall sliding connection of slide bar, be fixed with connecting spring 12 between one side outer wall that connecting rod 10 was kept away from to slider 11 and one side inner wall of spout, and the circumference inner wall sliding connection of connecting spring 12 and the circumference outer wall of slide bar.

Example 2

Referring to fig. 1 to 3, a falling prevention elevator car, further, a bottom plate 13 is slidably connected to a bottom between both side inner walls of a car body 1, and the bottom outer wall of the bottom plate 13 and the bottom inner wall of the car body 1 are fixed with auxiliary springs 14 distributed at equal intervals, two ends of the two side outer walls of the bottom plate 13 are both provided with limit blocks 15, the positions of the two side inner walls of the car body 1 corresponding to the limit blocks 15 are provided with limit grooves, the two end inner walls of the limit grooves are respectively connected with the two end outer walls of the limit blocks 15 in a sliding way, a limit rod 16 is fixed between the top and the bottom inner wall of the limit groove, the top outer wall of the limit block 15 is provided with a through hole, the circumferential inner wall of the through hole is connected with the circumferential outer, therefore, the speed change degree of the bottom plate 13 is reduced by utilizing the deformation of the auxiliary spring 14, so that the comfort degree of people on the bottom plate 13 is improved, and the use effect of the elevator car is improved.

The working principle is as follows: the lift car body 1 is lifted in the shaft through a traction steel wire rope and a corresponding driving mechanism, auxiliary plates 4 which are distributed at equal intervals are connected on two sides of the shaft through air springs 3, clamping strips 5 which are matched with the connecting plate 2 are fixed on one side of the auxiliary plates 4, when the lift car body 1 descends at an overspeed, the flow rate of a gap between the connecting plate 2 and the clamping strips 5 is accelerated, so that the air pressure is reduced, the air springs 3 push the auxiliary plates 4 and the clamping strips 5, the two sides of the lift car body 1 are clamped through the clamping strips 5, the lift car body 1 is prevented from falling, the damage to the lift car and the casualties of people are avoided, the use safety of the lift car is improved, meanwhile, auxiliary rollers 6 are rotatably connected on two sides of the shaft through damping rotating shafts, the auxiliary strips 7 on the outer walls of the auxiliary rollers 6 are matched with the connecting plates 2, so that the damping rotating shafts are, when the bottom of the car body 1 descends to contact with the buffer plate 9, the buffer plate 9 vertically descends, and the sliding block 11 horizontally moves along the sliding groove, so that the buffer effect of the car body 1 when the car body 1 descends to the bottom of a hoistway is enhanced by the buffer spring 8 and the connecting spring 12, and the damage to the car is reduced;

furthermore, the bottom end inside the car body 1 is connected with a bottom plate 13 through auxiliary springs 14 distributed at equal intervals, four corners of the bottom part 13 are connected with limiting grooves in the inner wall of the car body 1 through limiting blocks 15 in a sliding mode, and when the elevator car changes speed, the speed change degree of the bottom plate 13 is reduced through deformation of the auxiliary springs 14, so that the comfort degree of people on the bottom plate 13 is improved, and the using effect of the elevator car is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fall-preventing elevator car comprises a car body (1), wherein the car body (1) is arranged in a hoistway, it is characterized in that the outer walls of the two sides of the car body (1) are respectively fixed with connecting plates (2) which are distributed at equal intervals, the inner walls of the two sides of the well are respectively provided with fixing grooves which are distributed at equal intervals, and an air spring (3) is fixed on the inner wall of one side of the fixed groove, an auxiliary plate (4) is fixed at one end of the air spring (3), and a clamping strip (5) matched with the connecting plate (2) is fixed on the outer wall of one side of the auxiliary plate (4), the inner walls of the two sides of the shaft are provided with mounting grooves which are distributed at equal intervals, the inner walls of the two ends of the mounting grooves are connected with an auxiliary roller (6) through a damping rotating shaft, and the peripheral outer wall of the auxiliary roller (6) is fixed with auxiliary strips (7) distributed in an annular array, and the auxiliary strips (7) are matched with the connecting plate (2).

2. Anti-falling elevator car as per claim 1, characterized in that the buffer plates (9) are arranged on both sides of the bottom of the hoistway, and the buffer springs (8) are connected between the outer wall of the bottom of the buffer plates (9) and the inner wall of the bottom of the hoistway and distributed equidistantly.

3. Anti-fall elevator car as per claim 2, characterized in that the buffer plate (9) has a connecting rod (10) hinged to one end of its bottom outer wall and the connecting rod (10) has a slider (11) hinged to its bottom end.

4. The anti-falling elevator car as claimed in claim 3, characterized in that a sliding groove is formed in the position of the inner wall of the bottom of the hoistway corresponding to the sliding block (11), a sliding rod is fixed between the inner walls of the two sides of the sliding groove, a through hole is formed in the outer wall of one side of the sliding block (11), and the circumferential inner wall of the through hole is slidably connected with the circumferential outer wall of the sliding rod.

5. Anti-fall elevator car as claimed in claim 4, characterized in that a connecting spring (12) is fixed between the outer wall of the slider (11) on the side remote from the connecting rod (10) and the inner wall of the chute on the side.

6. Anti-falling elevator car as per claim 1, characterized in that the bottom of the car body (1) between its two side walls is connected with a bottom plate (13) in a sliding way, and auxiliary springs (14) are fixed between the bottom outer wall of the bottom plate (13) and the bottom inner wall of the car body (1) and distributed equidistantly.

7. The anti-falling elevator car as claimed in claim 6, characterized in that the two ends of the outer walls of the two sides of the bottom plate (13) are provided with limit blocks (15), the inner walls of the two sides of the car body (1) are provided with limit grooves corresponding to the limit blocks (15), a limit rod (16) is fixed between the top and bottom inner walls of the limit grooves, the outer wall of the top of the limit block (15) is provided with a through hole, and the inner wall of the circumference of the through hole is slidably connected with the outer wall of the circumference of the limit rod (16).