CN113526297B - Elevator buffer with multistage safeguard function - Google Patents
Elevator buffer with multistage safeguard function Download PDFInfo
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- CN113526297B CN113526297B CN202110839767.3A CN202110839767A CN113526297B CN 113526297 B CN113526297 B CN 113526297B CN 202110839767 A CN202110839767 A CN 202110839767A CN 113526297 B CN113526297 B CN 113526297B
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- buffer
- limiting
- center
- welded
- guide rod
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- 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
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Abstract
The invention relates to the technical field of elevator buffer equipment, in particular to an elevator buffer with a multi-stage protection function, which comprises a fixing device and a buffer device, wherein the buffer device is slidably mounted at the center of the inside of the top surface of the fixing device, the inside of the fixing device comprises a limiting guide rod, a first buffer spring, a protective layer, a limiting sliding chute, a limiting shaft hole, a support frame, a fastening screw and a fixing base, the protective layer is welded at the center of the top surface of the fixing base, the support frame is symmetrically welded at the top surface of the fixing base and positioned at the edges of two sides of the protective layer, and the limiting guide rod is welded at the center of the top surface of the fixing base. The elevator car buffer protection device can drive the secondary buffer mechanism to ascend to perform secondary buffer protection on the elevator car while buffering and protecting the elevator car through the primary buffer mechanism, so that multistage buffer protection on descending of the elevator car is realized, descending impact of the elevator car can be reduced, and the buffer protection effect on the elevator car is improved.
Description
Technical Field
The invention relates to the technical field of elevator buffer equipment, in particular to an elevator buffer with a multi-stage protection function.
Background
The car elevator buffer is as the important safety part of car elevator equipment, and mainly used reduces the functioning speed of elevator car or offset, avoids elevator car to take place to fall or take place fiercely collision with ground or well top when dashing the top, reduces and avoids the injury, and wherein the elevator buffer is generally installed in the inside bottom surface central point of elevartor shaft and puts to make the top of elevator buffer and the bottom surface center of car contact, thereby play better cushioning effect. However, the existing elevator buffer has some disadvantages in use, such as: when buffering the car, current elevator buffer can only play simple buffering protective effect, and can not play multistage buffering protective effect to the car that descends at a high speed to make the car under the impact that descends at a high speed, the ageing damage of elevator buffer can be accelerated easily, can reduce the buffering protective effect to the car simultaneously, so need an elevator buffer that has multistage safeguard function, in order to solve the problem that proposes in the aforesaid.
Disclosure of Invention
The present invention is directed to an elevator buffer with multi-stage protection function to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: an elevator buffer with a multi-stage protection function comprises a fixing device and a buffering device, wherein the buffering device is slidably mounted at the center of the inside of the top surface of the fixing device, the inside of the fixing device comprises a limiting guide rod, a first buffering spring, a protective layer, a limiting sliding groove, a limiting shaft hole, a supporting frame, a fastening screw and a fixed base, the protective layer is welded at the center of the top surface of the fixed base, the supporting frame is symmetrically welded at the top surface of the fixed base and is positioned at the edges of two sides of the protective layer, the limiting guide rod is welded at the center of the top surface of the fixed base, the first buffering spring is fixedly connected to the center of the top surface of the limiting guide rod, the limiting sliding groove is symmetrically arranged on the outer surface of the protective layer, the limiting shaft hole is arranged at the center of the side edge of the top of the supporting frame, and the fastening screw is spirally connected to the edge of the upper surface of the fixed base for a circle;
the buffer device comprises a secondary buffer mechanism and a primary buffer mechanism, and the secondary buffer mechanism is slidably sleeved on the outer surface of the middle part of the primary buffer mechanism;
the inner part of the secondary buffer mechanism comprises a supporting base, a limiting shaft rod, a second buffer spring, a limiting fixture block, an inserting rod, a second buffer block, a hoop, a limiting sleeve, an annular slot and a limiting sleeve, wherein the annular slot is formed in the center of the top surface of the supporting base, the limiting sleeve is welded in the center of the inner part of the annular slot, the limiting sleeve is uniformly welded on the upper surface of the edge of the supporting base, the bottom end of the inserting rod is slidably inserted in the center of the top surface of the limiting sleeve, the second buffer spring is fixedly connected to the bottom end of the inner center of the limiting sleeve, the limiting fixture block is symmetrically welded on the outer surface of the edge of the bottom of the inserting rod, the second buffer block is welded on the central surface of the top end of the inserting rod, the hoop is welded on the outer surface of the second buffer block, and the limiting shaft rod is symmetrically welded on the outer surface of the supporting base;
one-level buffer gear's inside includes first buffer block, third buffer spring, buffering guide arm, first linking arm, spliced eye, horizontal pole, spacing pivot, second linking arm, cup joints hole and rhombus articulated arm, the spliced eye is seted up at the bottom surface center of buffering guide arm, first buffer block welding is at the top surface center of buffering guide arm, the fixed upper portion surface of cup jointing at the buffering guide arm of third buffer spring, the horizontal pole welding is at the bottom edge surface of buffering guide arm, the bottom center of first linking arm rotates the both ends edge surface of connecting at the horizontal pole, the rhombus articulated arm rotates the middle part surface of installing at spacing pivot, the second linking arm rotates the one end edge surface of connecting at the rhombus articulated arm, cup joint the hole and set up the upper portion edge center surface at the second linking arm, spacing pivot is rotated and is installed the side center at the rhombus articulated arm.
Specifically, the two ends of the limiting rotating shaft are rotatably connected with the top center edge of the supporting frame through limiting shaft holes.
Specifically, the top end of the limiting guide rod is in sliding insertion connection with the center of the bottom surface of the buffering guide rod through the insertion hole.
Specifically, the first connecting arm and the second connecting arm are in sliding clamping connection with two sides of the outer surface of the protective layer through the limiting sliding grooves.
Specifically, the buffering guide rod slides through limit sleeve and the bottom surface center looks grafting of supporting the base mutually, third buffer spring's bottom is through annular slot and the top surface center edge looks joint of supporting the base.
Specifically, the second connecting arm is rotatably sleeved with the limiting shaft rod through the sleeving hole.
Specifically, the insertion rod is clamped with the inner surface of the limiting sleeve in a sliding mode through a limiting clamping block on the outer surface of the bottom end of the insertion rod.
Specifically, the supporting base is in sliding clamping connection with the inside of the fixing device through the protective layer.
Compared with the prior art, the invention has the following beneficial effects:
the elevator car protection device has the advantages that the first-stage buffer mechanism is arranged in the fixing device, the first-stage buffer protection effect can be realized on the descending of the elevator car, meanwhile, the descending of the first-stage buffer mechanism can drive the ascending of the second-stage buffer mechanism, so that the second buffer block at the top of the second-stage buffer mechanism can perform second-stage buffer protection on the elevator car, the protection effect on the descending of the elevator car is improved, in addition, the contact area with the elevator car can be increased through the contact of the first buffer block and the second buffer block with the bottom surface of the elevator car, the stability of the contact stress of the elevator car and the buffer device is improved, the second-stage buffer mechanism can be driven to ascend to perform second-stage buffer protection on the elevator car while the elevator car is buffered and protected through the first-stage buffer mechanism, the multistage buffer protection on the descending of the elevator car is realized, meanwhile, the impact of the elevator car can be reduced, and the buffer protection effect on the elevator car is improved.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of a main body cut-away structure of the present invention;
FIG. 3 is a schematic view of the fixing device of the present invention;
FIG. 4 is a schematic view of a buffer device according to the present invention;
FIG. 5 is a cutaway schematic view of the secondary cushioning mechanism of the present invention;
fig. 6 is a schematic structural diagram of a primary buffer mechanism according to the present invention.
In the figure: 1-fixing device, 11-limit guide rod, 12-first buffer spring, 13-protective layer, 14-limit sliding groove, 15-limit shaft hole, 16-support frame, 17-fastening screw, 18-fixing base, 2-buffer device, 21-secondary buffer mechanism, 211-support base, 212-limit shaft rod, 213-second buffer spring, 214-limit fixture block, 215-plug rod, 216-second buffer block, 217-hoop, 218-limit sleeve, 219-annular slot, 2110-limit sleeve, 22-primary buffer mechanism, 221-first buffer block, 222-third buffer spring, 223-buffer guide rod, 224-first connecting arm, 225-plug hole, 226-cross rod, 227-limit rotating shaft, 228-second connecting arm, 229-socket hole and 2210-diamond articulated arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: an elevator buffer with a multi-stage protection function comprises a fixing device 1 and a buffer device 2, wherein the buffer device 2 is slidably mounted at the center of the inside of the top surface of the fixing device 1, the inside of the fixing device 1 comprises a limiting guide rod 11, a first buffer spring 12, a protective layer 13, a limiting sliding groove 14, a limiting shaft hole 15, a support frame 16, a fastening screw 17 and a fixing base 18, the protective layer 13 is welded at the center of the top surface of the fixing base 18, the support frame 16 is symmetrically welded at the top surface of the fixing base 18 and is positioned at the edges of two sides of the protective layer 13, the limiting guide rod 11 is welded at the center of the top surface of the fixing base 18, the first buffer spring 12 is fixedly connected at the center of the top surface of the limiting guide rod 11, the limiting sliding groove 14 is symmetrically arranged on the outer surface of the protective layer 13, the limiting shaft hole 15 is arranged at the center of the edge of the side surface of the top of the support frame 16, and the fastening screw 17 is spirally connected at one circle of the edge of the upper surface of the fixing base 18;
the interior of the buffer device 2 comprises a secondary buffer mechanism 21 and a primary buffer mechanism 22, and the secondary buffer mechanism 21 is slidably sleeved on the outer surface of the middle part of the primary buffer mechanism 22;
the secondary buffer mechanism 21 comprises a support base 211, a limiting shaft rod 212, a second buffer spring 213, a limiting fixture block 214, an insertion rod 215, a second buffer block 216, a hoop 217, a limiting sleeve 218, an annular slot 219 and a limiting sleeve 2110, wherein the annular slot 219 is arranged in the center of the top surface of the support base 211, the limiting sleeve 218 is welded in the center of the annular slot 219, the limiting sleeve 2110 is uniformly welded on the upper surface of the edge of the support base 211, the bottom end of the insertion rod 215 is slidably inserted into the center of the top surface of the limiting sleeve 2110, the second buffer spring 213 is fixedly connected to the bottom end of the inner center of the limiting sleeve 2110, the limiting fixture blocks 214 are symmetrically welded on the outer surface of the bottom edge of the insertion rod 215, the second buffer block 216 is welded on the central surface of the top end of the insertion rod 215, the hoop 217 is welded on the outer surface of the second buffer block 216, and the limiting shaft rod 212 is symmetrically welded on the outer surface of the support base 211;
the primary buffer mechanism 22 comprises a first buffer block 221, a third buffer spring 222, a buffer guide rod 223, a first connecting arm 224, a plug hole 225, a cross rod 226, a limit rotating shaft 227, a second connecting arm 228, a socket hole 229 and a diamond-shaped hinged arm 2210, wherein the plug hole 225 is arranged in the center of the bottom surface of the buffer guide rod 223, the first buffer block 221 is welded in the center of the top surface of the buffer guide rod 223, the third buffer spring 222 is fixedly sheathed on the outer surface of the upper part of the buffer guide rod 223, the cross rod 226 is welded on the outer surface of the bottom edge of the buffer guide rod 223, the center of the bottom end of the first connecting arm 224 is rotatably connected on the outer surfaces of the edges of the two ends of the cross rod 226, the diamond-shaped hinged arm 2210 is rotatably mounted on the outer surface of the middle part of the limit rotating shaft 227, the second connecting arm 228 is rotatably connected on the outer surface of the edge of one end of the diamond-shaped hinged arm 2210, the socket hole 229 is arranged on the outer surface of the center of the upper edge of the second connecting arm 228, and the limit rotating shaft 227 is rotatably mounted on the side surface of the diamond-shaped hinged arm 2210.
The two ends of the limit rotating shaft 227 are rotatably connected with the top center edge of the support frame 16 through the limit shaft hole 15, and can support and limit the position of the rhombic hinged arm 2210.
The top end of the limit guide rod 11 is in sliding splicing with the inner part of the center of the bottom surface of the buffer guide rod 223 through the splicing hole 225, so that when the elevator car descends, the limit guide rod 11 contracts to further play a buffer protection role for the elevator car.
The first connecting arm 224 and the second connecting arm 228 are slidably clamped with two sides of the outer surface of the protective layer 13 through the limiting sliding groove 14, so that the limiting sliding groove 14 plays a role in limiting and protecting two sides of the first connecting arm 224 and the second connecting arm 228.
The buffer guide rod 223 is slidably inserted into the center of the bottom surface of the support base 211 through the limit sleeve 218, and the bottom end of the third buffer spring 222 is clamped with the center edge of the top surface of the support base 211 through the annular slot 219, so that the bottom end of the third buffer spring 222 can be supported and limited, and the first buffer block 221 can compress the top of the first-stage buffer mechanism 22 conveniently.
The second connecting arm 228 is rotatably sleeved with the limiting shaft rod 212 through the sleeving hole 229, so that the cross rod 226 can be rotatably connected with the outer surface of the supporting base 211, and the vertical sliding of the buffer guide rod 223 is facilitated to synchronously control the supporting base 211.
The insertion rod 215 is slidably engaged with the inner surface of the position-limiting sleeve 2110 through the position-limiting engaging block 214 on the outer surface of the bottom end, so as to prevent the insertion rod 215 from being lifted out of the position-limiting sleeve 2110.
The supporting base 211 is slidably clamped with the inside of the fixing device 1 through the protective layer 13, so that the protective layer 13 can limit and protect the supporting base 211 from sliding up and down.
The working principle is as follows: when the elevator car moves downwards, the elevator car descends along the elevator shaft, when the bottom surface of the elevator car contacts with the top surface of the first buffer block 221, the first buffer block 221 is pressed to descend, when the first buffer block 221 descends, the third buffer spring 222 which presses the outer surface of the buffer guide rod 223 contracts inside the annular slot 219 to play a primary buffer function, then when the elevator car continues to descend, the buffer guide rod 223 drives the first connecting arms 224 at two ends to descend through the cross rod 226, meanwhile, the first connecting arms 224 drive the diamond-shaped hinged arms 2210 at the top end to deflect downwards by taking the limit rotating shaft 227 as a central axis, meanwhile, one end of the diamond-shaped hinged arms 2210 drives the bottom end of the second connecting arm 228 to ascend, when the bottom end of the second connecting arm 228 ascends, the limit shaft lever 212 is pushed to ascend through the sleeving holes 229, meanwhile, the limiting shaft lever 212 drives the supporting base 211 to ascend and slide in the protective layer 13, so that when the elevator car descends, the first buffer block 221 drives the insertion rod 215 at the top end to ascend, so that the second buffer block 216 on the top surface of the insertion rod 215 is in contact with the center of the bottom surface of the elevator car, so that the bottom surface of the elevator car extrudes the second buffer block 216 to descend, meanwhile, the bottom end of the insertion rod 215 extrudes the top end of the second buffer spring 213 in the limiting sleeve 2110 to contract, so that a secondary buffer effect is achieved on the bottom surface of the elevator car, meanwhile, the buffer guide rod 223 compresses the top of the first buffer spring 12 through the inner top surface of the insertion hole 225 when descending, so that the first buffer spring 12 achieves a tertiary buffer effect on the elevator car until the elevator car slowly descends to a safe bottom, thereby accomplish the multistage buffering protection to elevator car decline, when elevator car rises the operation, first buffer block 221 can rise under the spring action of third buffer spring 222 and reset, buffer guide rod 223 can drive first linking arm 224 through horizontal pole 226 and rise simultaneously, when first linking arm 224 rises, can drive second linking arm 228 through rhombus articulated arm 2210 and descend, second linking arm 228 can drive support base 211 through spacing axostylus axostyle 212 and descend and reset in the inside of inoxidizing coating 13 simultaneously, peg graft pole 215 can rise under the spring action of second buffer spring 213 and reset, then prepare for next elevator car descends, when protecting elevator car buffering through one-level buffer gear 22, can drive second buffer gear 21 and rise and carry out the second grade buffering protection to elevator car, thereby realize the multistage buffering protection to elevator car decline, can reduce elevator car impact simultaneously, improve the buffering protection effect to elevator car.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An elevator buffer with multi-stage protection function, which comprises a fixing device (1) and a buffer device (2), and is characterized in that: the buffer device (2) is slidably mounted at the center of the inside of the top surface of the fixing device (1), the fixing device (1) comprises a limiting guide rod (11), a first buffer spring (12), a protective layer (13), a limiting sliding groove (14), a limiting shaft hole (15), a support frame (16), a fastening screw (17) and a fixing base (18), the protective layer (13) is welded at the center of the top surface of the fixing base (18), the support frame (16) is symmetrically welded at the top surface of the fixing base (18) and is located at the edges of the two sides of the protective layer (13), the limiting guide rod (11) is welded at the center of the top surface of the fixing base (18), the first buffer spring (12) is fixedly connected at the center of the top surface of the limiting guide rod (11), the limiting sliding groove (14) is symmetrically arranged at the outer surface of the fixed base (13), the limiting shaft hole (15) is arranged at the center of the edge of the top side surface of the support frame (16), and the fastening screw (17) is spirally connected at the edge of the upper surface of the fixing base (18);
the buffer device (2) comprises a secondary buffer mechanism (21) and a primary buffer mechanism (22) inside, and the secondary buffer mechanism (21) is sleeved on the outer surface of the middle part of the primary buffer mechanism (22) in a sliding manner;
the inner part of the secondary buffer mechanism (21) comprises a supporting base (211), a limiting shaft rod (212), a second buffer spring (213), a limiting fixture block (214), an insertion rod (215), a second buffer block (216), a hoop (217), a limiting sleeve (218), an annular slot (219) and a limiting sleeve (2110), wherein the annular slot (219) is arranged in the center of the top surface of the supporting base (211), the limiting sleeve (218) is welded in the center of the inner part of the annular slot (219), the limiting sleeve (2110) is uniformly welded on the upper surface of the edge of the supporting base (211), the bottom end of the insertion rod (215) is slidably inserted in the center of the top surface of the limiting sleeve (2110), the second buffer spring (213) is fixedly connected to the bottom end of the inner center of the limiting sleeve (2110), the limiting fixture block (214) is symmetrically welded on the outer surface of the bottom edge of the insertion rod (215), the second buffer block (216) is welded on the central surface of the top end of the insertion rod (215), the hoop (217) is welded on the outer surface of the second buffer block (216), and the periphery of the limiting base (211) is symmetrically welded on the peripheral surface of the supporting base (211);
the primary buffer mechanism (22) comprises a first buffer block (221), a third buffer spring (222), a buffer guide rod (223), a first connecting arm (224), an insertion hole (225), a cross rod (226), a limit rotating shaft (227), a second connecting arm (228), a sleeve hole (229) and a diamond-shaped hinged arm (2210) inside, wherein the insertion hole (225) is formed in the center of the bottom surface of the buffer guide rod (223), the first buffer block (221) is welded in the center of the top surface of the buffer guide rod (223), the third buffer spring (222) is fixedly sleeved on the outer surface of the upper portion of the buffer guide rod (223), the cross rod (226) is welded on the outer surface of the edge of the bottom portion of the buffer guide rod (223), the center of the bottom end of the first connecting arm (224) is rotatably connected to the outer surface of the edge of the two ends of the cross rod (226), the diamond-shaped hinged arm (2210) is rotatably installed on the outer surface of the limit rotating shaft (227), the second connecting arm (228) is rotatably connected to the outer surface of the edge of one end of the diamond-shaped hinged arm (2210), the sleeve hole (229) is formed in the outer surface of the center of the edge of the upper portion of the edge of the limit rotating shaft (227).
2. The elevator buffer with multi-stage protection function according to claim 1, wherein: and the two ends of the limiting rotating shaft (227) are rotatably connected with the top center edge of the support frame (16) through a limiting shaft hole (15).
3. The elevator buffer with multi-stage protection function according to claim 2, wherein: the top end of the limiting guide rod (11) is in sliding insertion connection with the center of the bottom surface of the buffering guide rod (223) through the insertion hole (225).
4. The elevator buffer with multi-stage protection function according to claim 3, wherein: the first connecting arm (224) and the second connecting arm (228) are in sliding clamping connection with two sides of the outer surface of the protective layer (13) through the limiting sliding groove (14).
5. The elevator buffer with multi-stage protection function according to claim 4, wherein: the buffering guide rod (223) is in sliding insertion with the center of the bottom face of the supporting base (211) through the limiting sleeve (218), and the bottom end of the third buffering spring (222) is connected with the center edge of the top face of the supporting base (211) in a clamping mode through the annular slot (219).
6. The elevator buffer with multi-stage protection function according to claim 5, wherein: the second connecting arm (228) is rotatably sleeved with the limiting shaft rod (212) through the sleeving hole (229).
7. The elevator buffer with multi-stage protection function according to claim 6, wherein: the insertion rod (215) is in sliding clamping connection with the inner surface of the limiting sleeve (2110) through a limiting clamping block (214) on the outer surface of the bottom end.
8. The elevator buffer with multi-stage protection according to claim 7, wherein: the supporting base (211) is in sliding clamping connection with the inside of the fixing device (1) through the protective layer (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110839767.3A CN113526297B (en) | 2021-07-23 | 2021-07-23 | Elevator buffer with multistage safeguard function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110839767.3A CN113526297B (en) | 2021-07-23 | 2021-07-23 | Elevator buffer with multistage safeguard function |
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| CN113526297A CN113526297A (en) | 2021-10-22 |
| CN113526297B true CN113526297B (en) | 2023-02-24 |
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| CN114893513A (en) * | 2022-04-28 | 2022-08-12 | 成瑜 | Automobile power transmission clutch buffer piston structure that shifts |
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| JP2006298611A (en) * | 2005-04-22 | 2006-11-02 | Mitsubishi Electric Corp | Buffer device for elevator |
| CN208684186U (en) * | 2018-08-02 | 2019-04-02 | 无锡市欧丰电梯配件有限公司 | A kind of shock resistance understructure of elevator |
| CN211769608U (en) * | 2020-03-05 | 2020-10-27 | 毕海榕 | Buffer device for elevator car |
| CN212387525U (en) * | 2020-06-15 | 2021-01-22 | 苏州东方富力电梯部件有限公司 | Buffer protection device for elevator |
| CN212953695U (en) * | 2020-09-10 | 2021-04-13 | 邢振武 | Elevator buffer mechanical part |
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2021
- 2021-07-23 CN CN202110839767.3A patent/CN113526297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006298611A (en) * | 2005-04-22 | 2006-11-02 | Mitsubishi Electric Corp | Buffer device for elevator |
| CN208684186U (en) * | 2018-08-02 | 2019-04-02 | 无锡市欧丰电梯配件有限公司 | A kind of shock resistance understructure of elevator |
| CN211769608U (en) * | 2020-03-05 | 2020-10-27 | 毕海榕 | Buffer device for elevator car |
| CN212387525U (en) * | 2020-06-15 | 2021-01-22 | 苏州东方富力电梯部件有限公司 | Buffer protection device for elevator |
| CN212953695U (en) * | 2020-09-10 | 2021-04-13 | 邢振武 | Elevator buffer mechanical part |
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