CN113415691B - Safe type elevator - Google Patents
Safe type elevator Download PDFInfo
- Publication number
- CN113415691B CN113415691B CN202110760198.3A CN202110760198A CN113415691B CN 113415691 B CN113415691 B CN 113415691B CN 202110760198 A CN202110760198 A CN 202110760198A CN 113415691 B CN113415691 B CN 113415691B
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- vertical
- groove
- elevator
- pressing plate
- well
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- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 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
- 230000003139 buffering effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a safety elevator which comprises an elevator car, a hoistway bottom wall and a hoistway side wall, wherein a vertical groove is formed in the inner surface of the hoistway side wall, a guide groove is formed in the side wall of the vertical groove, a movable block is arranged in the vertical groove, a sliding pin in sliding connection with the guide groove is arranged on the movable block, a first pressing plate is arranged at the top of the movable block, a first buffer spring located below the first pressing plate is arranged on the hoistway bottom wall, the guide groove comprises a first vertical section, an inclined section and a second vertical section, and an impact-resistant plate capable of being in contact with the first pressing plate is connected to the bottom of the elevator car; the bottom wall of the well is provided with an anti-rebound seat, the side part of the anti-rebound seat is provided with a groove for the first pressure plate to extend into, the side wall of the groove is provided with a horizontal sliding hole, a stop dog for stopping the first pressure plate from moving upwards is connected in the horizontal sliding hole in a sliding manner, an L-shaped cavity is arranged in the anti-rebound seat, and an L-shaped locking rod for locking the stop dog is arranged in the L-shaped cavity. The safety elevator can buffer and protect a falling car, and improves the safety of the elevator.
Description
Technical Field
The invention relates to a safety elevator.
Background
An elevator is a motor-powered vertical lift equipped with a box-like car for carrying people or goods in a multi-story building. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed lifting device serving a prescribed floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to get in or get out or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode. For the elevator that goes up and down vertically, a lot of accidents appear in recent years, mostly fall to the ground suddenly, cause serious casualties, have brought very big misery to people, and the current elevator safety protection means is few.
Disclosure of Invention
The invention aims to provide a safe elevator which is reasonable in structure and can buffer and protect an elevator car which falls accidentally, so that the safety performance of the elevator is improved.
In order to achieve the purpose, the technical scheme of the invention is to design a safe elevator, which comprises an elevator shaft and an elevator car arranged in the elevator shaft;
the elevator shaft comprises a shaft bottom wall and two shaft side walls which are oppositely arranged, the inner surface of each shaft side wall is provided with a vertical groove, each vertical groove is provided with an opening communicated with the inside of the elevator shaft, the side wall of each vertical groove is provided with a guide groove, a movable block is arranged in each vertical groove, each movable block is provided with a sliding pin in sliding connection with the corresponding guide groove, the top of each movable block is provided with a first pressing plate, each first pressing plate extends into the elevator shaft, the shaft bottom wall is provided with a first buffer spring, the top end of each first buffer spring is provided with a sliding plate, each first pressing plate is positioned above the corresponding sliding plate, each guide groove comprises a first vertical section, an inclined section and a second vertical section, each second vertical section is positioned below the corresponding first vertical section, each second vertical section is positioned between the corresponding first vertical section and the corresponding opening, each inclined section is connected between the corresponding first vertical section and the corresponding second vertical section, the bottom of the elevator car is connected with an impact-resistant plate which can be in contact with the first pressing plate through a support;
the bottom wall of the well is also provided with an anti-rebound seat, the side part of the anti-rebound seat facing the first buffer spring is provided with a groove for the first pressure plate to extend into, the inside of the anti-rebound seat is provided with an L-shaped cavity, the L-shaped cavity is internally provided with an L-shaped lock rod, the L-shaped cavity comprises a vertical part and a horizontal part, the vertical part corresponds to the side wall of the groove, the side wall of the groove is provided with a horizontal sliding hole communicated with the vertical part, the horizontal sliding hole is internally and slidably connected with a stop block, the inner end of the stop block is connected with a first compression spring, the bottom of the stop block is provided with a lock hole, the top end of the L-shaped lock rod is inserted into the lock hole, the horizontal part corresponds to the bottom wall of the groove, the horizontal part is internally provided with a second compression spring, the second compression spring is connected with the bottom of the L-shaped lock rod, the bottom wall of the groove is provided with a vertical sliding hole communicated with the horizontal part, and the L-shaped lock rod is provided with a pressure head, the pressure head penetrates through the vertical sliding hole and protrudes out of the bottom wall of the groove.
Preferably, the inside of well lateral wall is equipped with the vertical sliding chamber with vertical groove intercommunication, and sliding connection has the second clamp plate in this vertical sliding chamber, and this vertical sliding chamber rotates with the intercommunication department in vertical groove and installs the gear, first clamp plate is connected with the first vertical rack with gear engagement, the bottom of second clamp plate is connected with the vertical rack of second with gear engagement, and the top of second clamp plate is connected with second buffer spring.
Preferably, the bracket is of an inverted U-shaped structure.
Preferably, the bottom end of the vertical groove extends to the bottom wall of the shaft.
The invention has the advantages and beneficial effects that: the safe elevator is reasonable in structure, and can buffer and protect an elevator car which falls accidentally, so that the safety performance of the elevator is improved.
When the elevator car accidentally falls, the impact-resistant plate is driven to be in contact with the first pressing plate, and then the first pressing plate descends and compresses the first buffer spring; and the first pressing plate drives the movable block to move along the guide groove in the descending process, when the sliding pin on the movable block slides in the first vertical section, the second pressing plate is driven to move upwards and compress the second buffer spring through the cooperation among the first vertical rack, the gear and the second vertical rack, so that the impact force is absorbed through compressing the first buffer spring and the second buffer spring, and the personnel or the articles in the elevator car are protected in a buffering mode. When the sliding pin slides into the inclined section from the first vertical section, the movable block drives the first pressing plate to translate relative to the sliding plate and the impact-resistant plate and gradually extend into the groove of the anti-rebound seat, and the movable block drives the first vertical rack to be separated from the gear at the moment. When the sliding pin slides in the inclined section and the second vertical section, the first pressing plate continuously compresses the first buffer spring until the sliding pin is positioned at the bottom end of the second vertical section, the first pressing plate presses the pressing head to drive the L-shaped locking rod to move downwards, so that the top end of the L-shaped locking rod is pulled out of the locking hole, then the stop block stretches out under the elastic action of the first compression spring and blocks the upper part of the first pressing plate, at the moment, the first pressing plate cannot move upwards, so that the first buffer spring is kept in a compressed state, and because the first vertical rack is separated from the gear, the first buffer spring and the second buffer spring cannot apply resilience to the elevator car, so that the upward high-speed rebound of the elevator car is prevented, and secondary damage to personnel or articles in the elevator car can be avoided.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 and 2, a safety elevator includes an elevator shaft 1, and an elevator car 2 disposed inside the elevator shaft 1;
the elevator well 1 comprises a well bottom wall 3 and two well side walls 4 which are oppositely arranged, the inner surface of each well side wall 4 is provided with a vertical groove 5, each vertical groove 5 is provided with an opening 6 communicated with the inside of the elevator well 1, the side wall of each vertical groove 5 is provided with a guide groove, a movable block 7 is arranged in each vertical groove 5, each movable block 7 is provided with a sliding pin in sliding connection with each guide groove, the top of each movable block 7 is provided with a first pressing plate 8, each first pressing plate 8 extends into the elevator well 1, the well bottom wall 3 is provided with a first buffer spring 9, the top end of each first buffer spring 9 is provided with a sliding plate 10, each first pressing plate 8 is positioned above the corresponding sliding plate 10, each guide groove comprises a first vertical section 11, an inclined section 12 and a second vertical section 13, each second vertical section 13 is positioned below the first vertical section 1, and each second vertical section 13 is positioned between the first vertical section 11 and the opening 6, the inclined section 12 is connected between the first vertical section 11 and the second vertical section 13, and the bottom of the elevator car 2 is connected with an impact-resistant plate 15 which can be contacted with the first pressing plate 8 through a support 14;
the hoistway bottom wall 3 is further provided with an anti-rebound seat 16, the side part of the anti-rebound seat 16 facing the first buffer spring 9 is provided with a groove 17 for the first pressure plate 8 to extend into, the interior of the anti-rebound seat 16 is provided with an L-shaped cavity, the L-shaped cavity is internally provided with an L-shaped lock rod 18, the L-shaped cavity comprises a vertical part 19 and a horizontal part 20, the vertical part 19 corresponds to the side wall of the groove 17, the side wall of the groove 17 is provided with a horizontal sliding hole 21 communicated with the vertical part 19, the horizontal sliding hole 21 is internally and slidably connected with a stop block 22, the inner end of the stop block 22 is connected with a first compression spring 23, the bottom of the stop block 22 is provided with a lock hole, the top end of the L-shaped lock rod 18 is inserted into the horizontal part 20 corresponds to the bottom wall of the groove 17, the horizontal part 20 is internally provided with a second compression spring 24, and the second compression spring 24 is connected with the bottom of the L-shaped lock rod 18, the bottom wall of the groove 17 is provided with a vertical sliding hole communicated with the horizontal part 20, the L-shaped lock rod 18 is provided with a pressure head 25, and the pressure head 25 penetrates through the vertical sliding hole and protrudes out of the bottom wall of the groove 17.
The inside of above-mentioned well lateral wall 4 is equipped with the vertical sliding chamber 26 with vertical groove 5 intercommunication, and sliding connection has second clamp plate 27 in this vertical sliding chamber 26, and this vertical sliding chamber 26 rotates with the intercommunication department in vertical groove 5 and installs gear 28, and above-mentioned first clamp plate 8 is connected with the first vertical rack 29 with gear 28 meshing, and the bottom of second clamp plate 27 is connected with the second vertical rack 30 with gear 28 meshing, and the top of second clamp plate 27 is connected with second buffer spring 31.
The bracket 14 has an inverted U-shaped configuration.
The bottom end of the vertical groove 5 extends to the hoistway bottom wall 3.
The invention has the advantages and beneficial effects that: the safety elevator is reasonable in structure, and can buffer and protect the elevator car 2 which accidentally falls, so that the safety performance of the elevator is improved.
When the elevator car 2 accidentally falls, the impact-resistant plate 15 is driven to be in contact with the first pressing plate 8, and then the first pressing plate 8 descends and compresses the first buffer spring 9; and, the first pressing plate 8 will drive the movable block 7 to move along the guide groove in the downward moving process, and when the sliding pin on the movable block 7 slides in the first vertical section 11, the second pressing plate 27 will be driven to move upward and compress the second buffer spring 31 through the cooperation among the first vertical rack 29, the gear 28 and the second vertical rack 30, so as to absorb the impact force by compressing the first buffer spring 9 and the second buffer spring 31, and to buffer and protect the people or articles in the elevator car 2. When the sliding pin slides from the first vertical section 11 into the inclined section 12, the movable block 7 will drive the first pressure plate 8 to translate relative to the sliding plate 10 and the impact-resistant plate 15 and gradually extend into the groove 17 of the anti-bounce seat 16, and at this time, the movable block 7 will drive the first vertical rack 29 to separate from the gear 28. When the sliding pin slides in the inclined section 12 and the second vertical section 13, the first pressing plate 8 continuously compresses the first buffer spring 9 until the sliding pin is located at the bottom end of the second vertical section 13, the first pressing plate 8 presses the pressing head 25 to drive the L-shaped locking rod 18 to move downwards, so that the top end of the L-shaped locking rod 18 is pulled out of the locking hole, then the stop block 22 extends out under the elastic action of the first compression spring 23 and blocks the first pressing plate 8, at the moment, the first pressing plate 8 cannot move upwards, so that the first buffer spring 9 is kept in a compressed state, and the first vertical rack 29 is separated from the gear 28, so that the first buffer spring 9 and the second buffer spring 31 cannot apply resilience to the elevator car 2, the elevator car 2 is prevented from rebounding upwards at a high speed, and secondary damage to people or articles in the elevator car 2 can be avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A safety elevator is characterized by comprising an elevator shaft (1) and an elevator car (2) arranged in the elevator shaft (1);
elevator well (1) is including well diapire (3) and two well lateral wall (4) that set up relatively, the internal surface of well lateral wall (4) is equipped with vertical groove (5), vertical groove (5) have with the inside opening (6) that communicate of elevator well (1), be equipped with the guide way on the lateral wall of this vertical groove (5), and be equipped with movable block (7) in this vertical groove (5), be equipped with on movable block (7) with guide way sliding connection's smooth round pin, and the top of movable block (7) is equipped with first clamp plate (8), and this first clamp plate (8) extend to elevator well (1) inside, be equipped with first buffer spring (9) on well diapire (3), and the top of first buffer spring (9) is equipped with slide (10), first clamp plate (8) are located the top of slide (10), the guide way includes first vertical section (11), The elevator car comprises an inclined section (12) and a second vertical section (13), wherein the second vertical section (13) is positioned below the first vertical section (11), the second vertical section (13) is positioned between the first vertical section (11) and the opening (6), the inclined section (12) is connected between the first vertical section (11) and the second vertical section (13), and the bottom of the elevator car (2) is connected with an impact-resistant plate (15) which can be in contact with the first pressing plate (8) through a support (14);
the well bottom wall (3) is further provided with an anti-rebound seat (16), a groove (17) for a first pressure plate (8) to extend into is formed in the side portion of the anti-rebound seat (16) facing the first buffer spring (9), an L-shaped cavity is formed in the inner portion of the anti-rebound seat (16), an L-shaped lock rod (18) is arranged in the L-shaped cavity, the L-shaped cavity comprises a vertical portion (19) and a horizontal portion (20), the vertical portion (19) corresponds to the side wall of the groove (17), a horizontal sliding hole (21) communicated with the vertical portion (19) is formed in the side wall of the groove (17), a stop block (22) is slidably connected in the horizontal sliding hole (21), the inner end of the stop block (22) is connected with a first compression spring (23), a lock hole is formed in the bottom of the stop block (22), the top end of the L-shaped lock rod (18) is inserted into the lock hole, and the horizontal portion (20) corresponds to the bottom wall of the groove (17), be equipped with second compression spring (24) in this horizontal part (20), this second compression spring (24) are connected with the bottom of L shape locking lever (18), be equipped with the vertical slide opening with horizontal part (20) intercommunication on the diapire of recess (17), be equipped with pressure head (25) on L shape locking lever (18), this pressure head (25) run through vertical slide opening and protrusion in the diapire of recess (17).
2. The safety elevator according to claim 1, characterized in that a vertical sliding cavity (26) communicated with the vertical groove (5) is formed in the hoistway side wall (4), a second pressing plate (27) is connected in the vertical sliding cavity (26) in a sliding mode, a gear (28) is rotatably installed at the communication position of the vertical sliding cavity (26) and the vertical groove (5), the first pressing plate (8) is connected with a first vertical rack (29) meshed with the gear (28), the bottom of the second pressing plate (27) is connected with a second vertical rack (30) meshed with the gear (28), and the top of the second pressing plate (27) is connected with a second buffer spring (31).
3. Safety elevator according to claim 2, characterized in that the bracket (14) is of inverted U-shaped construction.
4. Safety elevator according to claim 3, characterized in that the bottom end of the vertical slot (5) extends to the shaft bottom wall (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110760198.3A CN113415691B (en) | 2021-07-06 | 2021-07-06 | Safe type elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110760198.3A CN113415691B (en) | 2021-07-06 | 2021-07-06 | Safe type elevator |
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| Publication Number | Publication Date |
|---|---|
| CN113415691A CN113415691A (en) | 2021-09-21 |
| CN113415691B true CN113415691B (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110760198.3A Active CN113415691B (en) | 2021-07-06 | 2021-07-06 | Safe type elevator |
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| Country | Link |
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| CN (1) | CN113415691B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226406A (en) * | 2017-06-26 | 2017-10-03 | 杜辉 | A kind of anti-fall elevator |
| CN208516713U (en) * | 2018-07-13 | 2019-02-19 | 辽宁科技大学 | Modularization two dimension eleva-tor bank |
| CN211812891U (en) * | 2020-01-17 | 2020-10-30 | 淮北银丰铝业有限公司 | Aluminum alloy anti-falling device for building |
| CN111924682A (en) * | 2020-08-27 | 2020-11-13 | 溧阳市苏菱机电有限公司 | Spring damper for elevator and use method thereof |
| CN112811278A (en) * | 2021-02-25 | 2021-05-18 | 董恺 | Elevator stall automatic locking structure for building intelligent engineering |
| CN113003351A (en) * | 2021-03-22 | 2021-06-22 | 德森克电梯（中国）有限公司 | Traction type safety goods elevator |
-
2021
- 2021-07-06 CN CN202110760198.3A patent/CN113415691B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226406A (en) * | 2017-06-26 | 2017-10-03 | 杜辉 | A kind of anti-fall elevator |
| CN208516713U (en) * | 2018-07-13 | 2019-02-19 | 辽宁科技大学 | Modularization two dimension eleva-tor bank |
| CN211812891U (en) * | 2020-01-17 | 2020-10-30 | 淮北银丰铝业有限公司 | Aluminum alloy anti-falling device for building |
| CN111924682A (en) * | 2020-08-27 | 2020-11-13 | 溧阳市苏菱机电有限公司 | Spring damper for elevator and use method thereof |
| CN112811278A (en) * | 2021-02-25 | 2021-05-18 | 董恺 | Elevator stall automatic locking structure for building intelligent engineering |
| CN113003351A (en) * | 2021-03-22 | 2021-06-22 | 德森克电梯（中国）有限公司 | Traction type safety goods elevator |
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| Publication number | Publication date |
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| CN113415691A (en) | 2021-09-21 |
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Address after: 215000 1658 Huatian Road, Taoyuan Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suling Express Elevator (Suzhou) Co.,Ltd. Country or region after: China Address before: 215000 1658 Huatian Road, Taoyuan Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: ZHONGHAI SANLING ELEVATOR (SUZHOU) CO.,LTD. Country or region before: China |