CN220055938U - Buffer protection device for elevator - Google Patents
Buffer protection device for elevator Download PDFInfo
- Publication number
- CN220055938U CN220055938U CN202321242170.1U CN202321242170U CN220055938U CN 220055938 U CN220055938 U CN 220055938U CN 202321242170 U CN202321242170 U CN 202321242170U CN 220055938 U CN220055938 U CN 220055938U
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- buffer
- protection
- sleeve
- bottom plate
- elevator
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- 239000000872 buffer Substances 0.000 title claims abstract description 93
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 230000035939 shock Effects 0.000 claims description 28
- 238000013016 damping Methods 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a buffer protection device for an elevator, which relates to the technical field of elevators and comprises a buffer seat, wherein an elevator car is connected inside the top end of the buffer seat in a sliding manner, a rubber protection sleeve is fixedly arranged on the outer surface of the bottom end of the elevator car, and a protection cover is fixedly arranged at the bottom of the rubber protection sleeve. The utility model further buffers the impact force born by the protection bottom plate through the arrangement of the damper II and the buffer spring II, and the buffer spring is arranged between the sleeve I and the sleeve II, so that the buffer capacity is further improved, the positioning rod can prevent the protection bottom plate from overturning, and in addition, the rubber protective sleeve is arranged at the bottom of the elevator car because of larger impact force when the elevator car falls, so that the elevator car is prevented from being in direct contact with an external buffer element, and the elevator car is protected.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a buffer protection device for an elevator.
Background
In recent years, as elevator accidents continue to occur, people are paying more attention to safety protection devices of elevators. Especially high-rise elevator, when the car moves to higher floor, if the steel rope that pulls the car breaks, the protector in the car falling process is generally safety tongs, but there is car guide rail fracture or the circumstances of safety tongs malfunctioning take place, then the car will accelerate always to fall to elevator well pit, will lead to falling the ladder and cause serious accident, this elevator well pit generally all is equipped with buffering protection device, the protection device who uses at present is fixed several groups of springs or hydraulic cylinder at elevator well pit mainly, when the elevator falls, play the cushioning effect through the reaction force of spring or hydraulic cylinder, but the buffer force effect of this kind of mode is relatively poor, and cause car bottom damage easily.
For example, chinese patent publication No. CN218909504U discloses a buffer protection device for elevator, including the buffer seat, the inside of buffer seat is equipped with the elevator car, the bottom surface fixedly connected with protection bottom plate of elevator car, protection bottom plate's bottom surface fixedly connected with buffer cover, the inside of buffer cover is equipped with the slide, the last fixedly connected with of slide two sets of first springs, two slide holes have been seted up to the bottom surface of buffer cover, two equal sliding connection of inner wall of slide hole has the slider, two the bottom surface of slider is fixedly connected with buffering roof jointly, the interior bottom wall fixedly connected with of buffer seat two sets of second springs, two sets of the common fixedly connected with buffer bottom plate in top of second spring, two spouts have been seted up to the inside wall of buffer seat. This buffer protection device for elevator can carry out buffer protection to the collision when the elevator car falls, has improved the buffer protection effect to the elevator car bottom, can reduce the safety injury to the inside personnel of elevator car.
The following problems exist in the prior art:
at present, the elevator car is required to be pulled by using a steel wire rope in the lifting process, but the steel wire rope is worn for a long time, so that the phenomenon of fracture is easy to occur, and when the elevator car at present falls unexpectedly, the buffer protection effect of the bottom of the elevator car is poor, and the elevator car collides in the elevator hoistway, so that safety injury can be brought to personnel in the elevator car.
Disclosure of Invention
The utility model provides a buffer protection device for an elevator, which aims to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the buffer protection device for the elevator comprises a buffer seat, wherein an elevator car is connected inside the top end of the buffer seat in a sliding manner, a rubber protection sleeve is fixedly arranged on the outer surface of the bottom end of the elevator car, and a protection cover is fixedly arranged at the bottom of the rubber protection sleeve;
the inner wall of the right side and the left side of the front face of the protective cover is provided with a sliding groove, the bottom of the rubber protective cover is provided with a first buffer spring which is uniformly and fixedly arranged in the protective cover, the bottom of the first buffer spring is fixedly provided with a sliding plate, two ends of the sliding plate are in sliding connection with the inner part of the sliding groove, two ends of the bottom of the sliding plate are fixedly provided with connecting blocks, the bottom of each connecting block is fixedly provided with a buffer plate, the outer surface of the bottom of each buffer plate is fixedly provided with a first buffer pad, the bottom of the inner wall of the left side and the right side of each buffer seat is provided with a mounting groove, and the middle of the bottom inside each buffer seat is provided with a groove.
The technical scheme of the utility model is further improved as follows: the damper I is fixedly installed in the installation groove, and the output end of the damper I is hinged with a connecting rod through a pin shaft.
The technical scheme of the utility model is further improved as follows: the other end of the connecting rod is hinged with a protection bottom plate through a pin shaft, and a second shock pad is fixedly arranged on the outer surface of the top end of the protection bottom plate.
The technical scheme of the utility model is further improved as follows: the top fixed mounting in the recess has the attenuator two, the output of attenuator two and the middle part fixed connection of protection bottom plate bottom, the bottom of protection bottom plate just is located the even fixed mounting of two positive sides of attenuator two and has buffer spring two.
The technical scheme of the utility model is further improved as follows: the two sides of the bottom end inside the buffer seat are fixedly provided with positioning rods, the outer surfaces of the positioning rods are in sliding connection with the inside of the two ends of the protection bottom plate, and the two ends of the outer surfaces of the positioning rods, which are positioned at the bottom of the protection bottom plate, are in sliding connection with sleeves I.
The technical scheme of the utility model is further improved as follows: the damping device is characterized in that a sleeve II is fixedly arranged on the outer surface of the bottom end of the positioning rod on two sides of the bottom end inside the buffer seat, and a damping spring is fixedly arranged on the outer surface of the positioning rod between the adjacent sides of the sleeve I and the sleeve II.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a buffer protection device for an elevator, which adopts the mutual coordination among a second shock pad, a connecting rod, a first damper and a first shock pad, and the elevator carriage is buffered by the second shock pad arranged on a protection bottom plate and the first damper hinged at two sides of the protection bottom plate through the connecting rod, and the first shock pad and the second shock pad are arranged, so that the buffer plate and the protection bottom plate are prevented from being directly contacted, and the possibility of deformation of the buffer plate and the protection bottom plate is effectively reduced.
2. The utility model provides a buffer protection device for an elevator, which adopts the mutual coordination among a damper II, a buffer spring II, a sleeve I, a sleeve II, a damping spring, a positioning rod and a rubber protection sleeve, further buffers the impact force born by a protection bottom plate through the arrangement of the damper II and the buffer spring II, further improves the buffer capacity through arranging the sleeve I and the sleeve II and arranging the damping spring between the sleeve I and the sleeve II, and can prevent the protection bottom plate from overturning due to the arrangement of the positioning rod.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the protective cover of the present utility model;
fig. 4 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. a buffer seat; 2. an elevator cage; 3. a rubber protective sleeve; 4. a protective cover; 41. a chute; 42. a buffer spring I; 43. a slide plate; 44. a connecting block; 5. a buffer plate; 51. a first shock pad; 6. a mounting groove; 7. a groove; 8. a damper I; 9. a connecting rod; 10. a protective bottom plate; 101. a second shock pad; 11. a damper II; 12. buffer spring II; 13. a positioning rod; 14. a sleeve I; 15. a second sleeve; 16. and a damping spring.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a buffer protection device for an elevator, which comprises a buffer seat 1, wherein an elevator car 2 is slidably connected inside the top end of the buffer seat 1, a rubber protection sleeve 3 is fixedly arranged on the outer surface of the bottom end of the elevator car 2, a protection cover 4 is fixedly arranged at the bottom of the rubber protection sleeve 3, sliding grooves 41 are formed in the inner walls of the left side and the right side of the front surface of the protection cover 4, buffer springs I42 are uniformly and fixedly arranged inside the protection cover 4 at the bottom of the rubber protection sleeve 3, a sliding plate 43 is fixedly arranged at the bottom of the buffer springs I42, two ends of the sliding plate 43 are slidably connected with the inside of the sliding grooves 41, connecting blocks 44 are fixedly arranged at two ends of the bottom of the sliding plate 43, a buffer plate 5 is fixedly arranged at the bottom end outer surface of the buffer plate 5, a mounting groove 6 is formed in the bottom end of the inner walls of the left side and the right side of the buffer seat 1, and a groove 7 is formed in the middle of the inner bottom end of the buffer seat 1.
In this embodiment, when the elevator car 2 falls down for buffering, the first shock pad 51 on the buffer plate 5 will first contact the second shock pad 101 on the protection base plate 10, so that the buffer plate 5 is forced to push the sliding plate 43 to slide upwards in the sliding groove 41 through the connecting block 44, so that the first buffer spring 42 is in a compressed state for buffering the impact force.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, a damper I8 is fixedly installed in the installation groove 6, the output end of the damper I8 is hinged with a connecting rod 9 through a pin shaft, the other end of the connecting rod 9 is hinged with a protection bottom plate 10 through a pin shaft, and a shock pad II 101 is fixedly installed on the outer surface of the top end of the protection bottom plate 10.
In the embodiment, the elevator car 2 is buffered by the second shock pad 101 arranged on the protection bottom plate 10 and the first damper 8 hinged at the two sides of the protection bottom plate 10 through the connecting rod 9, and the buffer plate 5 and the protection bottom plate 10 are prevented from being directly contacted by the first shock pad 51 and the second shock pad 101, so that the possibility of deformation of the buffer plate 5 and the protection bottom plate 10 is effectively reduced.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top fixed mounting in recess 7 is equipped with attenuator two 11, the output of attenuator two 11 and the middle part fixed connection of protection bottom plate 10 bottom, the bottom of protection bottom plate 10 just is located the positive both sides of attenuator two 11 and evenly fixed mounting has buffer spring two 12, the both sides fixed mounting of the inside bottom of buffer seat 1 has locating lever 13, the inside sliding connection at locating lever 13's surface and protection bottom plate 10 both ends, the surface of locating lever 13 just is located the both ends sliding connection of protection bottom plate 10 bottom has sleeve one 14, the both sides of the inside bottom of buffer seat 1 just are located the surface fixed mounting of locating lever 13 bottom has sleeve two 15, between sleeve one 14 and sleeve two 15 adjacent sides and be located the surface fixed mounting of locating lever 13 has damping spring 16.
In this embodiment, the impact force borne by the protection bottom plate 10 is further buffered through the arrangement of the damper two 11 and the buffer spring two 12, the first sleeve 14 and the second sleeve 15 are arranged, and the buffer spring 16 is arranged between the first sleeve 14 and the second sleeve 15, so that the buffer capability is further improved, the protection bottom plate 10 can be prevented from overturning by the arrangement of the positioning rod 13, in addition, due to the fact that the impact force of the elevator car 2 in falling is large, the elevator car 2 is prevented from being in direct contact with an external buffer element by arranging the rubber protection sleeve 3 at the bottom of the elevator car 2, and the elevator car 2 is protected.
The working principle of the buffer protection device for the elevator is specifically described below.
As shown in fig. 1 to 4, when the elevator car 2 falls down to be buffered, firstly the first shock pad 51 on the buffer plate 5 is contacted with the second shock pad 101 on the protection bottom plate 10, so that the buffer plate 5 is forced to push the sliding plate 43 to slide upwards in the sliding groove 41 through the connecting block 44, the first shock spring 42 is in a compressed state, the impact force is buffered, the second shock pad 101 arranged on the protection bottom plate 10 and the first shock pad 8 hinged at two sides of the protection bottom plate 10 through the connecting rod 9 jointly buffer the elevator car 2, and the impact force borne by the protection bottom plate 10 is further buffered through the arrangement of the second shock pad 11 and the second shock spring 12, the first shock pad 14 and the second shock pad 15 are arranged, and the shock absorbing spring 16 is arranged between the first sleeve 14 and the second sleeve 15, so that the buffering capacity is further improved, and in addition, the arrangement of the positioning rod 13 can avoid the protection bottom plate 10 from overturning, and in addition, due to the fact that the impact force generated when the elevator car 2 falls down is larger, the rubber protection sleeve 3 is arranged at the bottom of the elevator car 2, the elevator car 2 is prevented from directly contacting with the buffer element, the first shock pad 101 and the second shock pad 10 are further arranged, and the shock absorbing plate 10 can be directly contacted with the protection bottom plate 10, and the buffer plate 5 is prevented from directly contacting the buffer plate 5.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (4)
1. Buffer protection device for elevator, including buffering seat (1), its characterized in that: an elevator car (2) is slidably connected inside the top end of the buffer seat (1), a rubber protective sleeve (3) is fixedly arranged on the outer surface of the bottom end of the elevator car (2), and a protective cover (4) is fixedly arranged at the bottom of the rubber protective sleeve (3);
the inner walls of the left side and the right side of the front face of the protective cover (4) are provided with sliding grooves (41), the bottom of the rubber protective cover (3) is uniformly and fixedly provided with first buffer springs (42) which are positioned in the protective cover (4), the bottoms of the first buffer springs (42) are fixedly provided with sliding plates (43), two ends of the sliding plates (43) are in sliding connection with the inner sides of the sliding grooves (41), two ends of the bottoms of the sliding plates (43) are fixedly provided with connecting blocks (44), the bottoms of the connecting blocks (44) are fixedly provided with buffer plates (5), the outer surfaces of the bottom ends of the buffer plates (5) are fixedly provided with first shock pads (51), the bottom ends of the inner walls of the left side and the right side of the buffer seat (1) are provided with mounting grooves (6), and the middle part of the bottom end inside the buffer seat (1) is provided with grooves (7);
the novel damping device is characterized in that a damper I (8) is fixedly installed in the installation groove (6), a connecting rod (9) is hinged to the output end of the damper I (8) through a pin shaft, a protection bottom plate (10) is hinged to the other end of the connecting rod (9) through a pin shaft, and a damping pad II (101) is fixedly installed on the outer surface of the top end of the protection bottom plate (10).
2. The buffer protection device for an elevator according to claim 1, characterized in that: the top of recess (7) inside is fixed mounting has attenuator two (11), the output of attenuator two (11) is fixed connection with the middle part of protection bottom plate (10) bottom, the bottom of protection bottom plate (10) just is located the positive both sides of attenuator two (11) and evenly fixed mounting has buffer spring two (12).
3. The buffer protection device for an elevator according to claim 1, characterized in that: the two sides of the bottom end inside the buffer seat (1) are fixedly provided with positioning rods (13), the outer surfaces of the positioning rods (13) are in sliding connection with the inner parts of the two ends of the protection bottom plate (10), and the two ends of the outer surfaces of the positioning rods (13) which are positioned at the bottom of the protection bottom plate (10) are in sliding connection with sleeves I (14).
4. A buffer protection device for an elevator according to claim 3, characterized in that: the damping device is characterized in that a sleeve II (15) is fixedly arranged on the outer surface of the bottom end of the positioning rod (13) on two sides of the inner bottom end of the buffer seat (1), and a damping spring (16) is fixedly arranged on the outer surface of the positioning rod (13) between the adjacent sides of the sleeve I (14) and the sleeve II (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242170.1U CN220055938U (en) | 2023-05-22 | 2023-05-22 | Buffer protection device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321242170.1U CN220055938U (en) | 2023-05-22 | 2023-05-22 | Buffer protection device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220055938U true CN220055938U (en) | 2023-11-21 |
Family
ID=88768495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321242170.1U Active CN220055938U (en) | 2023-05-22 | 2023-05-22 | Buffer protection device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220055938U (en) |
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2023
- 2023-05-22 CN CN202321242170.1U patent/CN220055938U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |