CN210193121U - Safety device for preventing elevator from falling rapidly - Google Patents
Safety device for preventing elevator from falling rapidly Download PDFInfo
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- CN210193121U CN210193121U CN201920552090.3U CN201920552090U CN210193121U CN 210193121 U CN210193121 U CN 210193121U CN 201920552090 U CN201920552090 U CN 201920552090U CN 210193121 U CN210193121 U CN 210193121U
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Abstract
The utility model provides a prevent safety device that elevator falls fast belongs to elevator safety field. The elevator anti-falling device comprises an elevator base, wherein two sides of the elevator base are respectively provided with a first anti-falling component, each first anti-falling component comprises a plurality of guide pillars arranged on the side of the elevator base, an anti-falling belt penetrates through each guide pillar, the anti-falling belts are movably connected with the guide pillars, the elevator base is provided with a second anti-falling component connected with the first anti-falling component, and two sides of the top of the second anti-falling component are respectively provided with a plurality of clamping plates connected with the anti-falling belts. The utility model discloses the advantage lies in when the elevator is in weightless state, the trip in the device can change over to the through hole immediately and form the joint to pull at the gravity piece and make the elevator slowly glide down, can control the elevator with the fast landing of stabilizing safety, protection passenger safety.
Description
Technical Field
The utility model belongs to elevator safety field relates to a prevent safety device that elevator falls fast.
Background
Elevators have become important building facilities and are indispensable in high-rise buildings and public places as transportation vehicles in the vertical direction. With the development of computer technology, automation technology and power electronics technology, modern elevators have become typical mechatronic products. With the improvement of the whole national economic strength, the living consumption level of people is obviously increased, and real estate developers vigorously push out middle-high-grade small high-rise buildings and high-rise residential buildings, so that the residential elevators are driven to rapidly increase, and the residential elevators become the main growth point of the whole elevator market. However, as the floors are increased, the safety requirements on the running of the elevator are higher and higher, and if the elevator is accidentally dropped, an immeasurable accident can be caused.
For example, chinese patent document discloses a safety elevator [ patent application No.: 201110222251.0, which can detect the position of the elevator car performing the lifting action in the lifting channel and perform operation control according to the detected position, but there is no protection measure to prevent the accident of the elevator from happening when the elevator is dropped accidentally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a prevent safety device that elevator falls fast.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a prevent safety device that elevator falls fast, includes the elevator base, elevator base both sides respectively be equipped with a first part of preventing falling, each first part of preventing falling includes that a plurality of places the guide pillar at the elevator base side, and it has the area of preventing falling to run through in each guide pillar, prevent falling area and guide pillar swing joint, the elevator base on be equipped with the first part of preventing falling the second of being connected of preventing falling the part and prevent falling the part, second prevent falling part top both sides respectively be equipped with a plurality of and prevent falling the cardboard that the area is connected.
In foretell safety device who prevents that elevator from falling fast, first part of preventing falling still include the runner of a plurality of setting at each guide pillar top, runner and prevent weighing down the falling tape one-to-one, prevent falling the tape winding on the runner and with runner swing joint, prevent weighing down one side bottom that the falling tape kept away from the elevator base and be equipped with the gravity piece, prevent weighing down one side bottom that the falling tape is close to the elevator base and be equipped with the stabilizing block.
In the safety device for preventing the elevator from falling rapidly, the stabilizing block is positioned at the bottom of the guide pillar and can extend into the guide pillar and be movably connected with the guide pillar.
In the safety device for preventing the elevator from falling rapidly, the part of the anti-falling belt extending into the guide post is provided with a plurality of through holes, and the through holes are arranged on the anti-falling belt at equal intervals along the axial direction of the anti-falling belt.
In foretell safety device who prevents the elevator and fall fast, the second prevent falling the part still include with elevator base swing joint start-up board, the even distribution of a plurality of cardboard is in the both sides of starting up the board, each cardboard rotates with start-up board and elevator base respectively to be connected, be equipped with a plurality of and elevator base swing joint's pull rod on each cardboard and between the junction with start-up board and elevator base, pull rod and elevator base between be equipped with and drive the cardboard to being close to start-up board direction pivoted tension spring, the top of each pull rod rotates with the cardboard that corresponds to be connected, each cardboard extend into in the guide pillar that corresponds and with the guide pillar swing joint that corresponds, be equipped with on each cardboard can form the trip of joint with the through hole.
In the safety device for preventing the elevator from falling fast, a plurality of guide blocks are respectively arranged on two sides of the elevator base, the guide columns are in one-to-one correspondence with the guide blocks, the guide columns penetrate through the corresponding guide blocks, and two guide wheels movably connected with the corresponding guide columns are rotatably connected in each guide block.
In the safety device for preventing the elevator from falling rapidly, the bottom of the elevator base is movably connected with the bottom plate, the bottom plate extends out of the elevator base, and an elastic spring capable of driving the bottom plate to move downwards along the axial direction of the elevator base is arranged between the bottom plate and the elevator base.
In the safety device for preventing the elevator from falling rapidly, the two sides of the starting plate are provided with the baffle plates, and when the clamping plate rotates to be in the horizontal direction, the baffle plates are in mutual contact with the clamping plate.
In the safety device for preventing the elevator from falling rapidly, the force of the tension spring pulling the clamping plate is greater than the inertia generated by the falling of the clamping plate.
In the safety device for preventing the elevator from falling rapidly, the clamping hook is arc-shaped, and the arc angle of the clamping hook is larger than 180 degrees.
Compared with the prior art, the utility model has the advantages of:
1. when the elevator is in a weightless state, the clamping hook in the device can be immediately turned into the through hole to form clamping connection, and the elevator slowly slides downwards under the pulling of the gravity block, so that the elevator can be controlled to land at a stable and safe speed, and the safety of passengers is protected.
2. The device is internally provided with a plurality of groups of clamping hooks and through holes, so that the gravity of the elevator is evenly shared, and the safety and the practicability of the scheme are improved.
Drawings
FIG. 1 is a schematic structural view provided by the present invention;
FIG. 2 is a schematic view of another aspect of the present invention;
FIG. 3 is a schematic view of the fall arrest strap configuration;
in the figure, an elevator base 10, a first anti-falling component 11, a guide post 12, an anti-falling belt 13, a second anti-falling component 14, a clamping plate 15, a rotating wheel 16, a gravity block 17, a stabilizing block 18, a through hole 19, an actuating plate 20, a pull rod 21, a tension spring 22, a clamping hook 23, a guide block 24, a guide wheel 25, a bottom plate 26, an elastic spring 27 and a baffle 28.
Detailed Description
As shown in fig. 1, a safety device for preventing an elevator from falling rapidly comprises an elevator base 10, wherein first falling prevention parts 11 are respectively arranged on two sides of the elevator base 10, each first falling prevention part 11 comprises a plurality of guide posts 12 placed on the side of the elevator base 10, a falling prevention belt 13 penetrates through each guide post 12, the falling prevention belts 13 are movably connected with the guide posts 12, a second falling prevention part 14 connected with the first falling prevention parts 11 is arranged on the elevator base 10, and a plurality of clamping plates 15 connected with the falling prevention belts 13 are respectively arranged on two sides of the top of the second falling prevention part 14. When the hoisting rope of the elevator base 10 is broken, the elevator base 10 can rapidly descend under the self gravity, and at the moment when the hoisting rope of the elevator base 10 is broken, the clamping plate 15 in the second anti-falling component 14 immediately works and forms clamping connection with the anti-falling belt 13 in the first anti-falling component 11, and the elevator base 10 slowly falls to the ground under the coordination of other parts.
As shown in fig. 2 and 3, the first fall-preventing component 11 further includes a plurality of rotating wheels 16 disposed at the top of each guide post 12, the rotating wheels 16 correspond to the fall-preventing belts 13 one-to-one, the fall-preventing belts 13 are wound around the rotating wheels 16 and movably connected to the rotating wheels 16, the bottom of one side of the fall-preventing belts 13 away from the elevator machine base 10 is provided with a gravity block 17, and the bottom of one side of the fall-preventing belts 13 close to the elevator machine base 10 is provided with a stabilizing block 18. When the elevator base 10 normally operates, the stabilizing block 18 is used for stably preventing the falling belt 13 from being blown by wind generated in the moving process of the elevator base 10, the falling belt 13 is prevented from being blown by the wind, when the elevator base 10 is weightless and falls, the clamping plate 15 immediately works and forms clamping connection with the falling belt 13 in the first falling prevention component 11, the gravity block 17 connected with the other end of the falling belt 13 is used for offsetting the gravity of the elevator base 10, the sum of the gravities of the two gravity blocks 17 is slightly smaller than that of the elevator base 10, and the elevator base 10 offsets the friction force under smaller acting force and slowly moves downwards until falling to the ground.
The stabilizing block 18 is located at the bottom of the guide post 12, and the stabilizing block 18 can extend into the guide post 12 and is movably connected with the guide post 12. When the stabilizing block 18 is installed, the stabilizing block 18 is convenient for workers to place, and the normal operation of the elevator machine base 10 cannot be influenced due to the arrangement at the bottom of the guide pillar 12.
The part of the anti-falling belt 13 extending into the guide post 12 is provided with a plurality of through holes 19, and the through holes 19 are arranged on the anti-falling belt 13 at equal intervals along the axial direction of the anti-falling belt 13. No matter which position of the anti-falling belt 13 the elevator machine base 10 runs to, the weightlessness falling condition occurs, the clamping plate 15 can be timely inserted into the through hole 19 of the anti-falling belt 13 to form a clamping structure.
The second anti-falling component 14 further comprises a starting plate 20 movably connected with the elevator base 10, a plurality of clamping plates 15 are uniformly distributed on two sides of the starting plate 20, each clamping plate 15 is respectively rotatably connected with the starting plate 20 and the elevator base 10, a plurality of pull rods 21 movably connected with the elevator base 10 are arranged on each clamping plate 15 and between the connecting part of the starting plate 20 and the elevator base 10, a tension spring 22 capable of driving the clamping plates 15 to rotate towards the direction close to the starting plate 20 is arranged between each pull rod 21 and the elevator base 10, the top of each pull rod 21 is rotatably connected with the corresponding clamping plate 15, each clamping plate 15 extends into the corresponding guide post 12 and is movably connected with the corresponding guide post 12, and a clamping hook 23 capable of forming clamping connection with the through hole 19 is arranged on each clamping plate 15. When the elevator base 10 is weightless and falls, the starting plate 20 is not in a pulled state, although the weightlessness of the elevator can cause the starting plate 20 to generate inertia, the starting plate 20 moves downwards relative to the elevator base 10 under the action of the tension spring 22, meanwhile, the clamping plate 15 rotates towards the direction close to the starting plate 20, and at the moment, the clamping hook 23 on the clamping plate 15 rotates into the through hole 19 along with the rotation of the starting plate 20 and is clamped with the through hole 19.
The elevator is characterized in that a plurality of guide blocks 24 are respectively arranged on two sides of the elevator base 10, the guide posts 12 correspond to the guide blocks 24 one by one, the guide posts 12 penetrate through the corresponding guide blocks 24, and two guide wheels 25 movably connected with the corresponding guide posts 12 are rotatably connected in each guide block 24. The guide wheel 25 plays a guiding role, and not only in the normal operation of the elevator base 10, when the elevator base 10 is weightless and falls down, the elevator base 10 is prevented from laterally moving and impacting the side wall of an elevator passage to cause secondary damage to passengers, but also the clamping structure formed by the clamping hook 23 and the through hole 19 is ensured.
The bottom of the elevator machine base 10 is movably connected with a bottom plate 26, the bottom plate 26 extends out of the elevator machine base 10, and an elastic spring 27 capable of driving the bottom plate 26 to move downwards along the axial direction of the elevator machine base 10 is arranged between the bottom plate 26 and the elevator machine base 10. When the first anti-falling component 11 and the second anti-falling component 14 control the weightless elevator base 10 to slowly slide down, the speed is slightly constant when the elevator base moves to the ground, and the elastic spring 27 between the bottom plate 26 and the elevator base 10 can play a role of buffering when the elevator base strikes the ground.
The starting plate 20 is provided with a baffle 28 at both sides thereof, and when the catch plate 15 rotates to be in a horizontal direction, the baffle 28 and the catch plate 15 contact each other. The catch plate 15 is prevented from sliding out of the through hole 19 when the rotation angle of the tension spring 22 is too large.
The force of the tension spring 22 pulling the catch plate 15 is larger than the inertia generated by the falling catch plate 15. When the elevator base 10 is weightless, the clamping hook 23 can be immediately rotated into the through hole 19 along with the rotation of the clamping plate 15, and the clamping hook 23 is clamped with the through hole 19.
The hook 23 is arc-shaped, and the arc angle of the hook 23 is larger than 180 degrees. The clamping state of the clamping hook 23 and the through hole 19 is ensured in the process of slowly moving down the elevator base 10 for controlling the weightlessness.
The utility model discloses a theory of operation does: when the hoisting rope of the elevator base 10 is broken, the elevator base 10 will rapidly descend under its own weight, at a moment when the hoisting rope of the elevator base 10 is broken, the starting plate 20 is not in a pulled state, although the elevator is weightless and the starting plate 20 will generate inertia, the starting plate 20 will move downward relative to the elevator base 10 under the action of the pulling force of the tension spring 22, and at the same time, the catch plate 15 will rotate toward the direction of the starting plate 20, at this time, the hook 23 on the catch plate 15 will rotate into the through hole 19 along with the rotation of the starting plate 20 and form a catch with the through hole 19, the sum of the weights of the two weight blocks 17 is slightly smaller than that of the elevator base 10, so that the elevator base 10 will counteract the friction force under a smaller acting force and slowly move downward until landing, and will slightly take a certain speed when moving to the ground, when striking the ground, the spring 27 between the bottom plate 26 and the elevator machine frame 10 can act as a buffer.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms elevator machine base 10, first fall arrest device 11, guide post 12, fall arrest belt 13, second fall arrest device 14, catch plate 15, pulley 16, weight block 17, stabilizing block 18, through hole 19, actuator plate 20, tension rod 21, tension spring 22, catch 23, guide block 24, guide wheel 25, base plate 26, spring 27, stop 28, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a prevent safety device that elevator falls fast, includes elevator frame (10), its characterized in that, elevator frame (10) both sides respectively be equipped with one and prevent falling parts (11), each is first prevent falling parts (11) and place guide pillar (12) at elevator frame (10) side including a plurality of, run through in each guide pillar (12) and prevent weighing down the area (13), prevent weighing down area (13) and guide pillar (12) swing joint, elevator frame (10) on be equipped with first prevent falling parts (11) the second of being connected prevent falling parts (14), second prevent falling parts (14) top both sides respectively be equipped with a plurality of and prevent weighing down cardboard (15) that the area (13) are connected.
2. The safety device for preventing the elevator from rapidly falling as claimed in claim 1, wherein the first falling prevention component (11) further comprises a plurality of rotating wheels (16) arranged at the top of each guide post (12), the rotating wheels (16) correspond to the falling prevention belts (13) one to one, the falling prevention belts (13) are wound on the rotating wheels (16) and movably connected with the rotating wheels (16), the bottom of one side of the falling prevention belts (13) far away from the elevator base (10) is provided with a gravity block (17), and the bottom of one side of the falling prevention belts (13) near the elevator base (10) is provided with a stabilizing block (18).
3. Safety device for preventing elevator from falling rapidly according to claim 2, characterized in that the stabilizing block (18) is located at the bottom of the guide pillar (12), the stabilizing block (18) can extend into the guide pillar (12) and is movably connected with the guide pillar (12).
4. The safety device for preventing the elevator from falling rapidly as claimed in claim 3, wherein the part of the falling-preventing belt (13) extending into the guide post (12) is provided with a plurality of through holes (19), and the through holes (19) are arranged on the falling-preventing belt (13) at equal intervals along the axial direction of the falling-preventing belt (13).
5. The safety device for preventing the elevator from rapidly falling as claimed in claim 4, wherein the second fall preventing means (14) further comprises an actuating plate (20) movably connected to the elevator frame (10), a plurality of catch plates (15) are uniformly distributed on both sides of the actuating plate (20), each catch plate (15) is rotatably connected to the actuating plate (20) and the elevator frame (10), a plurality of pull rods (21) are disposed on each catch plate (15) and between the connection points of the actuating plate (20) and the elevator frame (10) and movably connected to the elevator frame (10), a tension spring (22) capable of driving the catch plate (15) to rotate towards the direction close to the actuating plate (20) is disposed between each pull rod (21) and the elevator frame (10), the top of each pull rod (21) is rotatably connected to the corresponding catch plate (15), each catch plate (15) extends into the corresponding guide post (12) and is movably connected to the corresponding guide post (12), each clamping plate (15) is provided with a clamping hook (23) which can be clamped with the through hole (19).
6. The safety device for preventing the elevator from rapidly falling as claimed in claim 5, wherein a plurality of guide blocks (24) are respectively arranged on two sides of the elevator base (10), the guide posts (12) correspond to the guide blocks (24) one by one, the guide posts (12) penetrate through the corresponding guide blocks (24), and two guide wheels (25) movably connected with the corresponding guide posts (12) are rotatably connected in each guide block (24).
7. The safety device for preventing the elevator from rapidly falling as claimed in claim 6, wherein a bottom plate (26) is movably connected to the bottom of the elevator frame (10), the bottom plate (26) extends out of the elevator frame (10), and a resilient spring (27) capable of driving the bottom plate (26) to move axially downwards along the elevator frame (10) is arranged between the bottom plate (26) and the elevator frame (10).
8. A safety device for preventing rapid falling of elevator according to claim 7, wherein the actuating plate (20) is provided with a blocking plate (28) at both sides thereof, and the blocking plate (28) is in contact with the catch plate (15) when the catch plate (15) is rotated to be in a horizontal direction.
9. A safety device against rapid elevator fall according to claim 8, wherein the force of the tension spring (22) pulling the catch plate (15) is greater than the inertia of the catch plate (15) due to its falling.
10. The safety device for preventing rapid falling of elevator according to claim 9, characterized in that the hook (23) is arc-shaped, and the arc angle of the hook (23) is greater than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552090.3U CN210193121U (en) | 2019-04-22 | 2019-04-22 | Safety device for preventing elevator from falling rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552090.3U CN210193121U (en) | 2019-04-22 | 2019-04-22 | Safety device for preventing elevator from falling rapidly |
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| Publication Number | Publication Date |
|---|---|
| CN210193121U true CN210193121U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920552090.3U Active CN210193121U (en) | 2019-04-22 | 2019-04-22 | Safety device for preventing elevator from falling rapidly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141968A (en) * | 2020-09-21 | 2020-12-29 | 熊细涛 | Portable full-automatic tower climbing device |
| CN113928952A (en) * | 2021-10-27 | 2022-01-14 | 尹俊德 | Anti-falling safety protection device for elevator car and elevator |
-
2019
- 2019-04-22 CN CN201920552090.3U patent/CN210193121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141968A (en) * | 2020-09-21 | 2020-12-29 | 熊细涛 | Portable full-automatic tower climbing device |
| CN113928952A (en) * | 2021-10-27 | 2022-01-14 | 尹俊德 | Anti-falling safety protection device for elevator car and elevator |
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