CN219362905U - Device for grading, buffering, anti-impact and anti-falling of hoistway elevator and hoistway elevator - Google Patents

Device for grading, buffering, anti-impact and anti-falling of hoistway elevator and hoistway elevator Download PDF

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Publication number
CN219362905U
CN219362905U CN202223172253.6U CN202223172253U CN219362905U CN 219362905 U CN219362905 U CN 219362905U CN 202223172253 U CN202223172253 U CN 202223172253U CN 219362905 U CN219362905 U CN 219362905U
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China
Prior art keywords
car
elevator
friction
buffer
speed
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Inventor
苏泽钿
许志强
李观亮
陈腾飞
李成祥
陈欣
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Guangzhou Guangri Elevator Industry Co Ltd
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Guangzhou Guangri Elevator Industry Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

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Abstract

The utility model relates to the technical field of elevators, in particular to a grading buffering anti-collision roof and anti-falling device of a hoistway elevator and the hoistway elevator. According to the grading buffering anti-impact roof and falling device for the elevator in the well, the fixed buffer blocks and the buffering devices are respectively arranged on the outer side wall of the car and the well wall, and the fixed buffer blocks and the buffering devices are matched with each other, so that the anti-impact roof and the falling of the elevator in the well are realized, the occupied space is small, and the installation and the maintenance are convenient. In the grading buffering anti-collision and anti-falling device for the elevator in the well, the design of the fixed buffer blocks and the buffer devices allows the elevator in the well to be provided with a plurality of fixed buffer blocks and the buffer devices on the car and the well wall, one buffer device can act with the fixed buffer blocks, and one fixed buffer block can also act with the buffer devices, so that multistage buffering when the elevator in the well fails is realized.

Description

Device for grading, buffering, anti-impact and anti-falling of hoistway elevator and hoistway elevator
Technical Field
The utility model relates to the technical field of elevators, in particular to a grading buffering anti-collision roof and anti-falling device of a hoistway elevator and the hoistway elevator.
Background
Hoistway elevators are the most widely used elevators, which are installed in high-rise buildings for transportation of people, goods, etc. As the floor design of high-rise buildings increases, so does the safety requirements for hoistway elevators. In the trouble that well elevator operation takes place, fall with dash the top and be comparatively common also comparatively dangerous accident, when taking place to fall or dash the top, the car of elevator bumps with very big speed, can all cause great injury to personnel in the elevator, goods, consequently, how to reduce the harm when falling, dashing the top is the important problem that elevator safety needs to overcome.
In the prior art, in order to overcome the problem, one of the common schemes is to add a buffer spring at the top or bottom of the elevator, however, the buffer spring has limited potential energy, and when the buffer spring faces to the top or falls, collision is still possible. On the other hand, if the safety of the elevator in the well is to be improved, more springs are needed to be additionally arranged at the top and the bottom of the elevator, the design space of the elevator well is further occupied, and on the basis that the elevator national standard requires the maintenance space reserved at the top and the bottom of the elevator, the space reserved for the springs is less, and the feasibility of additionally arranging the springs is not high.
Other prior art solutions reduce the impact hazard by adding electrical equipment to the elevator guide rail and by running the electrical equipment. The defects of the method are that the electrical equipment is complex, the cost is high, the difficulty of installing and wiring is high, and the cost of maintenance and inspection is high. Meanwhile, as the self weight of the electrical equipment is large, the plurality of electrical equipment are installed on the guide rail to cause deformation of the guide rail, and the service life of the guide rail is influenced.
Disclosure of Invention
In view of this, a first object of the present utility model is to provide a hoistway elevator landing and protection device.
Based on the same inventive concept, a second object of the utility model is to provide a hoistway elevator.
The first object of the utility model can be achieved by the following technical scheme:
the utility model provides a hierarchical buffering roof-rushing prevention and device that falls of well elevator, includes fixed buffer block, buffer, speed sensor and singlechip, wherein:
the fixed buffer block is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car, and a guide surface is arranged on the fixed buffer block;
the buffer device comprises a friction surface, a plurality of telescopic rods and a mounting seat, the buffer device is fixed on a well wall opposite to the outer side surface of the car through the mounting seat, and the friction surface is connected with the mounting seat through the telescopic rods; the direction of the friction surface is the same as the direction of the elevator guide rail of the well;
the speed measuring device is used for measuring the speed of the lift car;
the singlechip is used for reading the speed of the elevator car measured by the speed measuring device and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
Further, be equipped with the recess on the fixed buffer block, the direction of recess is the same with the direction of well elevator guide rail, and the inside guide surface that is equipped with of recess, including first guide surface and second guide surface, wherein: the first guide surface extends from the upper edge of the groove to the center of the groove in a direction away from the bottom of the groove, and the second guide surface extends from the lower edge of the groove to the center of the groove in a direction away from the bottom of the groove.
Further, the fixed buffer block is the friction sloping block, and one side of friction sloping block is equipped with the guide surface, including first guide surface, second guide surface, wherein, first guide surface extends to friction sloping block center along the direction of keeping away from the car from friction sloping block upper edge, and the second guide surface extends to friction sloping block center along the direction of keeping away from the car from friction sloping block lower edge.
Further, buffer includes friction surface, first telescopic link, second telescopic link, dead lever and mount pad, and the center of friction surface is connected with the mount pad through the dead lever, and the first half of friction surface is connected with the mount pad through first telescopic link, and the second half of friction surface is connected with the mount pad through the second telescopic link.
Further, the first telescopic rod and the second telescopic rod are hydraulic telescopic rods.
The second object of the utility model can be achieved by the following technical scheme:
the utility model provides a well elevator, includes well, car, elevator guide rail, fixed buffer block, buffer, speed sensor, singlechip, wherein:
the fixed buffer block is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car, and a guide surface is arranged on the fixed buffer block;
the buffer device comprises a friction surface, a plurality of telescopic rods and a mounting seat, the buffer device is fixed on a well wall opposite to the outer side surface of the car through the mounting seat, and the friction surface is connected with the mounting seat through the telescopic rods; the direction of the friction surface is the same as the direction of the elevator guide rail of the well;
the speed measuring device is used for measuring the speed of the lift car;
the singlechip is used for reading the speed of the elevator car obtained by the measurement of the speed measuring device and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
Further, the outer side surface of the car is provided with a plurality of fixed buffer blocks, and the plurality of fixed buffer blocks are arranged on the outer side surface of the car in a planar matrix mode.
Further, a plurality of buffer devices are arranged on the well wall opposite to the outer side surface of the elevator car, the buffer devices are arranged on the well wall opposite to the outer side surface of the elevator car in a plane matrix mode, and the line intervals of the buffer devices are the same as the line intervals of the fixed buffer blocks; the column spacing of the buffer is the same as the column spacing of the fixed buffer blocks.
Further, the fixed buffer block is the friction sloping block, and one side of friction sloping block is equipped with the guide surface, including first guide surface, second guide surface, wherein, first guide surface extends to friction sloping block center along the direction of keeping away from the car from friction sloping block upper edge, and the second guide surface extends to friction sloping block center along the direction of keeping away from the car from friction sloping block lower edge.
Further, the speed measuring device comprises a baffle and a plurality of speed sensors, wherein:
the baffle is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car;
the speed sensors are vertically arranged on the well wall at fixed intervals, and the baffle plate is matched with the speed sensors to realize the measurement of the speed of the car.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the grading buffering anti-impact roof and falling device for the elevator in the elevator shaft, the fixed buffer blocks and the buffering devices are respectively arranged on the outer side wall of the elevator car and the well wall, and the fixed buffer blocks and the buffering devices are matched with each other, so that the anti-impact roof and the falling of the elevator in the elevator shaft are realized.
(2) In the grading buffering anti-collision and anti-falling device for the elevator in the well, the design of the fixed buffer blocks and the buffer devices allows the elevator in the well to be provided with a plurality of fixed buffer blocks and the buffer devices on the car and the well wall, one buffer device can act with the fixed buffer blocks, and one fixed buffer block can also act with the buffer devices, so that multistage buffering when the elevator in the well fails is realized.
(3) The speed measuring device is matched with the fixed buffer block and the buffer device, so that the elevator can be buffered when the speed of the elevator exceeds the limit, the buffer action is started without approaching the top or the bottom, the elevator car can be clamped, the speed change in the whole buffer process is small, and the safety of personnel and goods in the elevator car can be ensured.
Drawings
Fig. 1 is a schematic view of a device arrangement for classifying, buffering, anti-impact and anti-falling of a hoistway elevator according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of a fixed buffer block of a stepped buffer anti-impact roof and fall device of a hoistway elevator according to embodiment 1 of the present utility model;
fig. 3 is a schematic structural view of a buffer device of a graded buffer anti-impact roof and fall device of a hoistway elevator according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view showing the structure of a baffle plate according to embodiment 1 of the present utility model;
fig. 5 is a schematic structural diagram of a fixed buffer block of a stepped buffer anti-impact roof and fall device of a hoistway elevator according to embodiment 2 of the present utility model;
fig. 6 is a schematic structural view of a buffer device of a stepped buffer anti-impact roof and fall device of a hoistway elevator according to embodiment 2 of the present utility model;
fig. 7 is a schematic structural diagram of a telescopic fixed buffer block of a graded buffer roof and fall protection device for a hoistway elevator according to embodiment 2 of the present utility model;
fig. 8 is a schematic structural view of the telescopic fixed buffer block of the elevator hierarchical buffering roof and fall protection device of the hoistway according to embodiment 2 of the present utility model;
fig. 9 is a schematic view of the structure of a hoistway elevator according to embodiment 3 of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Example 1:
as shown in fig. 1, this embodiment provides a hierarchical buffering roof-rushing prevention and falling device of well elevator, including fixed buffer block 1, buffer device 2, speed measuring device 3 and singlechip, wherein:
the fixed buffer block 1 is fixedly arranged on the outer side surface of the car, and the fixed buffer block 1 is a friction inclined block;
as shown in fig. 2, in this embodiment, a guiding surface is provided on one side of the friction ramp, and includes a first guiding surface 11 and a second guiding surface 12, where: the first guide surface 11 extends from the upper edge of the friction ramp to the center of the friction ramp in a direction away from the car, and the second guide surface 12 extends from the lower edge of the friction ramp to the center of the friction ramp in a direction away from the car.
As shown in fig. 3, the buffer device 2 includes a friction surface 20, a first telescopic rod 31, a second telescopic rod 32, a fixing rod 33 and a mounting seat 40, the buffer device 2 is fixed on a shaft wall opposite to the outer side surface of a car through the mounting seat 40, the center of the friction surface 20 is connected with the mounting seat 40 through the fixing rod 33, the upper half part of the friction surface 20 is connected with the mounting seat 40 through the first telescopic rod 31, the lower half part of the friction surface 20 is connected with the mounting seat 40 through the second telescopic rod 32, and the direction of the friction surface 20 is the same as the direction of a guide rail of a hoistway elevator.
In this embodiment, the first telescopic rod 31 and the second telescopic rod 32 are both hydraulic telescopic rods.
The speed measuring device 3 comprises a baffle and a speed sensor, wherein:
the baffle is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car, and the structure of the baffle is shown in fig. 4;
the speed sensor is arranged on the well wall, and the baffle plate is matched with the speed sensor to realize the measurement of the speed of the car;
the singlechip is used for reading the speed of the elevator car measured by the speed measuring device 3 and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
In this embodiment, when the singlechip detects that the speed of the car is greater than a set threshold and the direction of the car is upward, the singlechip controls the first telescopic rod 31 to extend and controls the second telescopic rod 32 to shorten; when the singlechip detects that the speed of the car is greater than a set threshold value and the direction is downward, the first telescopic rod 31 is controlled to be shortened, and the second telescopic rod 32 is controlled to be stretched.
When the elevator car is at risk of a roof-rushing fault, the singlechip detects that the speed of the elevator car is greater than a set threshold value and the direction of the elevator car is upward, controls the first telescopic rod 31 to extend, and the second telescopic rod 32 to shorten, so that the upper half part of the friction inclined plane 20 is close to the elevator car, and the lower half part of the friction inclined plane is far away from the elevator car; since the upper half of the friction inclined surface 20 is close to the car at this time, when the car moves upwards, the first guide surface 11 of the fixed buffer block 1 collides with and rubs against the friction inclined surface 20, thereby reducing the speed of the car and reducing the risk of car roof punching.
When the elevator car is at risk of falling fault, the singlechip detects that the speed of the elevator car is greater than a set threshold value and the direction of the elevator car is downward, controls the first telescopic rod 31 to be shortened, and the second telescopic rod 32 to be extended, so that the upper half part of the friction inclined plane 20 is far away from the elevator car, and the lower half part of the friction inclined plane is close to the elevator car; since the lower half of the friction inclined surface 20 is close to the car at this time, when the car moves downwards, the second guide surface 12 of the fixed buffer block 1 collides with and rubs against the friction inclined surface 20, thereby reducing the speed of the car and reducing the risk of falling of the car.
Example 2:
as shown in fig. 5, this embodiment provides a hierarchical buffering roof-rushing prevention and falling device of well elevator, including fixed buffer block 1, buffer device 2, speed measuring device 3 and singlechip, wherein:
as shown in fig. 6, a fixed buffer block 1 is fixedly arranged on the outer side surface of a car, a groove 10 is formed in the fixed buffer block, the direction of the groove is the same as that of a guide rail of a hoistway elevator, and a guide surface is formed in the groove;
in this embodiment, the groove 10 is internally provided with a guiding surface, including a first guiding surface 11 and a second guiding surface 12, wherein: the first guide surface 11 extends from the upper edge of the groove in a direction away from the bottom of the groove to the center of the groove, and the second guide surface 12 extends from the lower edge of the groove in a direction away from the bottom of the groove to the center of the groove.
As shown in fig. 7 and 8, in another preferred embodiment of the present utility model, the fixed buffer block 1 is a telescopic fixed buffer block, a hollow structure with a hydraulic rod is arranged inside the telescopic fixed buffer block, the first guide surface and the second guide surface are supported by the hydraulic rod, the hydraulic rod is electrically connected with the singlechip, and when a punch or a fall occurs, the singlechip controls the hydraulic rod to extend, so that the first guide surface and the second guide surface extend; according to the difference of the impact or falling risks, the inclination of the first guide surface and the second guide surface can be controlled, so that the friction force and the impact are controlled, and the safety of personnel and goods in the elevator car is further ensured.
The buffer device 2 comprises a friction surface 20, a first telescopic rod 31, a second telescopic rod 32, a fixed rod 33 and a mounting seat 40, the buffer device 2 is fixed on a shaft wall opposite to the outer side surface of a car through the mounting seat 40, the center of the friction surface 20 is connected with the mounting seat 40 through the fixed rod 33, the upper half part of the friction surface 20 is connected with the mounting seat 40 through the first telescopic rod 31, the lower half part of the friction surface 20 is connected with the mounting seat 40 through the second telescopic rod 32, the direction of the friction surface 20 is the same as that of a guide rail of a hoistway elevator, and the width of the friction surface 20 is not greater than that of a groove 10 for fixing a buffer block.
In this embodiment, a groove is formed at the connection between the fixing rod 33 and the friction surface 20, so as to facilitate the rotation of the friction surface 20.
In this embodiment, the first telescopic rod 31 and the second telescopic rod 32 are both hydraulic telescopic rods.
A speed measuring device 3 for measuring the speed of the car;
the singlechip is used for reading the speed of the elevator car measured by the speed measuring device 3 and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
In this embodiment, when the singlechip detects that the speed of the car is greater than a set threshold and the direction of the car is upward, the singlechip controls the first telescopic rod 31 to extend and controls the second telescopic rod 32 to shorten; when the singlechip detects that the speed of the car is greater than a set threshold value and the direction is downward, the first telescopic rod 31 is controlled to be shortened, and the second telescopic rod 32 is controlled to be stretched.
When the elevator car is at risk of a roof-rushing fault, the singlechip detects that the speed of the elevator car is greater than a set threshold value and the direction of the elevator car is upward, controls the first telescopic rod 31 to extend, and the second telescopic rod 32 to shorten, so that the upper half part of the friction inclined plane 20 is close to the elevator car, and the lower half part of the friction inclined plane is far away from the elevator car; since the upper half of the friction inclined surface 20 is close to the car at this time, when the car moves upwards, the first guiding surface 11 inside the groove 10 of the fixed buffer block 1 collides with and rubs against the friction inclined surface 20, thereby reducing the speed of the car and reducing the danger of car top punching.
When the elevator car is at risk of falling fault, the singlechip detects that the speed of the elevator car is greater than a set threshold value and the direction of the elevator car is downward, controls the first telescopic rod 31 to be shortened, and the second telescopic rod 32 to be extended, so that the upper half part of the friction inclined plane 20 is far away from the elevator car, and the lower half part of the friction inclined plane is close to the elevator car; since the lower half of the friction inclined surface 20 is close to the car at this time, when the car moves downwards, the second guiding surface 12 inside the groove 10 for fixing the buffer block 1 collides and rubs with the friction inclined surface 20, thereby reducing the speed of the car and reducing the risk of falling of the car.
Example 3:
as shown in fig. 7, this embodiment provides a hoistway elevator, including hoistway, car, elevator guide rail, fixed buffer block 1, buffer 2, speed measuring device 3, singlechip, wherein:
the fixed buffer block 1 is fixedly arranged on the outer side surface of the car, and the fixed buffer block 1 is a friction inclined block;
in this embodiment, one side of the friction ramp is provided with a guiding surface, including a first guiding surface 11 and a second guiding surface 12, wherein: the first guide surface 11 extends from the upper edge of the friction ramp to the center of the friction ramp in a direction away from the car, and the second guide surface 12 extends from the lower edge of the friction ramp to the center of the friction ramp in a direction away from the car; the other side of the friction inclined block is fixedly connected with the outer side surface of the car.
In this embodiment, a plurality of fixed buffer blocks 1 are provided on the outer side surface of the car, and the plurality of fixed buffer blocks 1 are provided on the outer side surface of the car in a planar matrix form.
The buffer device 2 comprises a friction surface 20, a first telescopic rod 31, a second telescopic rod 32, a fixed rod 33 and an installation seat 40, wherein the buffer device 2 is fixed on a shaft wall opposite to the outer side surface of a car through the installation seat 40, the center of the friction surface 20 is connected with the installation seat 40 through the fixed rod 33, the upper half part of the friction surface 20 is connected with the installation seat 40 through the first telescopic rod 31, the lower half part of the friction surface 20 is connected with the installation seat 40 through the second telescopic rod 32, and the direction of the friction surface 20 is the same as that of a guide rail of a hoistway elevator.
In this embodiment, the first telescopic rod 31 and the second telescopic rod 32 are both hydraulic telescopic rods.
In the embodiment, a plurality of buffer devices 2 are arranged on a well wall opposite to the outer side face of the car, and the buffer devices 2 are arranged on the well wall opposite to the outer side face of the car in a plane matrix mode;
in a preferred embodiment of the utility model, the line spacing of the buffer means 2 is the same as the line spacing of the fixed buffer block 1; the column spacing of the buffer 2 is the same as the column spacing of the fixed buffer block 1.
The speed measuring device 3 comprises a baffle 31 and a plurality of speed sensors 32, wherein:
the baffle 31 is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car;
the speed sensors 32 are vertically arranged on the well wall at fixed intervals, and the baffle plate 31 and the speed sensors 32 are mutually matched to realize the measurement of the speed of the car.
The singlechip is used for reading the speed of the elevator car measured by the speed measuring device 3 and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
In this embodiment, when the singlechip detects that the speed of the car is greater than a set threshold and the direction of the car is upward, the singlechip controls the first telescopic rod 31 to extend and controls the second telescopic rod 32 to shorten; when the singlechip detects that the speed of the car is greater than a set threshold value and the direction is downward, the first telescopic rod 31 is controlled to be shortened, and the second telescopic rod 32 is controlled to be stretched.
When the elevator car is at risk of a roof-rushing fault, the singlechip detects that the speed of the elevator car is greater than a set threshold value and the direction of the elevator car is upward, and controls the first telescopic rods 31 of the plurality of buffer devices 2 to extend and the second telescopic rods 32 to shorten, so that the upper half part of the friction inclined plane 20 of the plurality of buffer devices 2 is close to the elevator car, the lower half part of the friction inclined plane is far away from the elevator car, and the hydraulic devices on two sides are in an eight shape; since the upper half of the friction inclined surface 20 is close to the car at this time, when the car moves upwards, the first guide surface 11 of the fixed buffer block 1 collides with and rubs against the friction inclined surface 20, thereby reducing the speed of the car and reducing the risk of car roof punching.
When the elevator car is at risk of falling fault, the singlechip detects that the speed of the elevator car is greater than a set threshold value and the direction of the elevator car is downward, and controls the first telescopic rods 31 of the plurality of buffer devices 2 to be shortened, and the second telescopic rods 32 to be extended, so that the upper half part of the friction inclined planes 20 of the plurality of buffer devices 2 are far away from the elevator car, the lower half part of the friction inclined planes are close to the elevator car, and the hydraulic devices on two sides are in a V shape; since the lower half of the friction inclined surface 20 is close to the car at this time, when the car moves downwards, the second guide surface 12 of the fixed buffer block 1 collides with and rubs against the friction inclined surface 20, thereby reducing the speed of the car and reducing the risk of falling of the car.
In this embodiment, when the single-chip microcomputer detects that the car passes through multi-stage friction and the speed is static, the first telescopic rod 31 of the buffer device 2 above the nearest fixed buffer block is controlled to extend, the second telescopic rod 32 is shortened, the first telescopic rod 31 of the buffer device 2 below the nearest fixed buffer block is shortened, the second telescopic rod 32 is extended, and finally the car is clamped.
In a preferred embodiment of the utility model, when the single-chip microcomputer detects that the car is subjected to multi-stage friction and the speed is static, the first telescopic rod 31 of the buffer device 2 nearest to the top of the car is controlled to be extended, the second telescopic rod 32 is controlled to be shortened, the first telescopic rod 31 of the buffer device 2 adjacent to the bottom of the car is controlled to be shortened, and the second telescopic rod 32 is controlled to be extended, so that the car is finally clamped.
In summary, the device for grading buffering and preventing the top and falling of the elevator in the hoistway provided by the embodiment of the utility model has the advantages that the fixed buffer blocks and the buffer devices are respectively arranged on the outer side wall of the elevator car and the well wall, and the fixed buffer blocks and the buffer devices are mutually matched, so that the top and falling of the elevator in the hoistway are prevented, the original structure of the elevator in the hoistway is not changed, the original national standard and elevator components are not influenced, the elevator can be additionally arranged in any trapezoid, meanwhile, the cost is low, the occupied space is small, and the installation and the maintenance are convenient; in the grading buffering anti-collision top and falling device of the well elevator, the design of the fixed buffer blocks and the buffer devices allows the well elevator to be provided with a plurality of fixed buffer blocks and the buffer devices on a car and a well wall, one buffer device can act with the fixed buffer blocks, and one fixed buffer block can also act with the buffer devices, so that multistage buffering when the well elevator fails is realized; the speed measuring device, the fixed buffer block and the buffer device are matched with each other, so that the elevator can be buffered when the speed of the elevator exceeds the limit, the buffer action is started without approaching the top or the bottom, the elevator car can be clamped, the speed change in the whole buffer process is small, and the safety of personnel and goods in the elevator car can be further ensured.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the present utility model is not limited to the details of the above-described embodiments, and any appropriate changes or modifications made by those skilled in the art will be deemed to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a hierarchical buffering roof-rushing prevention and device that falls of well elevator, its characterized in that includes fixed buffer block, buffer, speed sensor and singlechip, wherein:
the fixed buffer block is fixedly arranged on the outer side surface of the car, and a guide surface is arranged on the fixed buffer block;
the buffer device comprises a friction surface, a plurality of telescopic rods and a mounting seat, the buffer device is fixed on a well wall opposite to the outer side surface of the car through the mounting seat, and the friction surface is connected with the mounting seat through the telescopic rods; the direction of the friction surface is the same as the direction of the elevator guide rail of the well;
the speed measuring device is used for measuring the speed of the lift car;
the singlechip is used for reading the speed of the elevator car measured by the speed measuring device and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
2. The hoistway elevator staged damping roof and fall protection device of claim 1, wherein the fixed buffer block is a friction ramp, one side of the friction ramp is provided with a guide surface, the guide surface comprises a first guide surface and a second guide surface, wherein the first guide surface extends from the upper edge of the friction ramp to the center of the friction ramp in a direction away from the car, and the second guide surface extends from the lower edge of the friction ramp to the center of the friction ramp in a direction away from the car.
3. The hoistway elevator staged buffering anti-collision roof and falling device of claim 1, wherein the fixed buffer block is provided with a groove, the direction of the groove is the same as the direction of the hoistway elevator guide rail, a guide surface is arranged inside the groove, and the guide surface comprises a first guide surface and a second guide surface, wherein: the first guide surface extends from the upper edge of the groove to the center of the groove in a direction away from the bottom of the groove, and the second guide surface extends from the lower edge of the groove to the center of the groove in a direction away from the bottom of the groove.
4. The hoistway elevator staged damping anti-impact roof and fall device of claim 1, wherein the damping device comprises a friction surface, a first telescoping rod, a second telescoping rod, a fixed rod and a mounting seat, wherein the center of the friction surface is connected with the mounting seat through the fixed rod, the upper half of the friction surface is connected with the mounting seat through the first telescoping rod, and the lower half of the friction surface is connected with the mounting seat through the second telescoping rod.
5. The hoistway elevator landing and drop protection device of claim 4, wherein the first telescoping rod and the second telescoping rod are both hydraulic telescoping rods.
6. The utility model provides a well elevator, its characterized in that includes well, car, elevator guide rail, fixed buffer block, buffer, speed measuring device, singlechip, wherein:
the fixed buffer block is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car, and a guide surface is arranged on the fixed buffer block;
the buffer device comprises a friction surface, a plurality of telescopic rods and a mounting seat, the buffer device is fixed on a well wall opposite to the outer side surface of the car through the mounting seat, and the friction surface is connected with the mounting seat through the telescopic rods; the direction of the friction surface is the same as the direction of the elevator guide rail of the well;
the speed measuring device is used for measuring the speed of the lift car;
the singlechip is used for reading the speed of the elevator car obtained by the measurement of the speed measuring device and controlling the telescopic rod of the buffer device according to the speed of the elevator car.
7. The hoistway elevator according to claim 6, wherein the outer side of the car is provided with a plurality of fixed buffers, the plurality of fixed buffers being disposed on the outer side of the car in a planar matrix.
8. The hoistway elevator according to claim 7, wherein a plurality of buffer devices are provided on the wall of the hoistway opposite to the outer side face of the car, the plurality of buffer devices are provided on the wall of the hoistway opposite to the outer side face of the car in a planar matrix, and a line interval of the buffer devices is the same as a line interval of the fixed buffer blocks; the column spacing of the buffer is the same as the column spacing of the fixed buffer blocks.
9. The hoistway elevator according to claim 6, wherein the fixed buffer block is a friction ramp, one side of the friction ramp is provided with a guide surface including a first guide surface extending from an upper edge of the friction ramp in a direction away from the car to a center of the friction ramp, and a second guide surface extending from a lower edge of the friction ramp in a direction away from the car to a center of the friction ramp.
10. The hoistway elevator of claim 9, wherein the speed measuring device includes a baffle and a plurality of speed sensors, wherein:
the baffle is arranged on the outer side surface of the car and fixedly connected with the outer side surface of the car;
the speed sensors are vertically arranged on the well wall at fixed intervals, and the baffle plate is matched with the speed sensors to realize the measurement of the speed of the car.
CN202223172253.6U 2022-11-28 2022-11-28 Device for grading, buffering, anti-impact and anti-falling of hoistway elevator and hoistway elevator Active CN219362905U (en)

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CN202223172253.6U CN219362905U (en) 2022-11-28 2022-11-28 Device for grading, buffering, anti-impact and anti-falling of hoistway elevator and hoistway elevator

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CN202223172253.6U CN219362905U (en) 2022-11-28 2022-11-28 Device for grading, buffering, anti-impact and anti-falling of hoistway elevator and hoistway elevator

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