CN105776031A - Anti-glide safety device - Google Patents
Anti-glide safety device Download PDFInfo
- Publication number
- CN105776031A CN105776031A CN201610248195.0A CN201610248195A CN105776031A CN 105776031 A CN105776031 A CN 105776031A CN 201610248195 A CN201610248195 A CN 201610248195A CN 105776031 A CN105776031 A CN 105776031A
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- CN
- China
- Prior art keywords
- lock hook
- safety device
- glide
- fall lock
- fall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to the field of mechanical equipment safety protection, in particular to an anti-glide safety device. The anti-glide safety device aims at solving the problem that after a vertical lifting device is powered off or a lifting mechanism loses efficiency, the reliability is poor when a lifted object falls to generate risks. The anti-glide safety device is characterized by comprising an anti-glide lock hook, an anti-glide lock hook seat plate, a linkage rod, a traction electromagnet, a linkage rod pin shaft, a lock hook pin shaft and a protection cover. The anti-glide lock hook is movably connected with the anti-glide lock hook seat plate; one end of the linkage rod is movably connected with the inner side of the anti-glide lock hook, and the other end of the linkage rod is movably connected with the traction electromagnet through the linkage rod pin shaft; the traction electromagnet is fixedly connected with an inclined plate on the anti-glide lock hook seat plate; and the anti-glide lock hook seat plate is covered with the protection cover. According to the anti-glide safety device, the anti-glide lock hook is reliably clamped into a wedge block or a lock hole under the effect of self weight of the lifted object, the anti-glide lock hook can be naturally in the locking state after power is off, the bearing capacity is high, and the anti-glide safety device has the beneficial effects of being simple in structure, convenient to operate and wide in application scope.
Description
Technical field
The present invention relates to plant equipment safety protection field, be specifically related to a kind of safety device for preventing elevator from falling down.
Background technology
Large-scale vertical lifting equipment is widely used in industrial links, such as large-scale lever gear door, large-sized gantry elevator, lifting gate valve, lift winch etc., they are dependent on elevating mechanism for being provided the power of lifting or descending motion according to planned orbit by lifting object such as door body, valve body etc., adopt electric power, pneumatically or hydraulically as power resources more.During when power resources due to power-off or other malfunction and failures, because of Gravitative Loads, lifting object can cause that downslide causes irremediable loss, owing to large-scale vertical lifting equipment lifting weight of object is big, lifting object free downslide destructive power is big, it is therefore desirable to be that large-scale vertical lifting equipment is equipped with safety device for preventing elevator from falling down, it is to avoid falling and gliding after elevating mechanism inefficacy.
Safety device for preventing elevator from falling down is similar to stop device, conventional is ratchet stop device, can be used for the hoist engine of some low speed, manual operation uses, as the return device processed preventing reverse in machinery, ratchet stop is intended device and be can also be used for the anti-fall function use of vertical lifting equipment, but ratchet is owing to its construction features bearing capacity is poor, volume is relatively big, cause inefficacy with rear easy abrasion for a long time, not high as safety prevention measure dependability.Additionally, the brake of electrodynamic or hydraulic braking also can be adopted as safety device for preventing elevator from falling down, but brake still relies on electric power or hydraulic pressure, once power-off or other faults to also lead to safety device inoperative, reliability still cannot meet requirement.
Therefore after vertical lifting equipment power-off urgently to be resolved hurrily or elevating mechanism lose efficacy, lifting object fell integrity problem when producing dangerous.
Summary of the invention
Present invention aim at providing a kind of safety device for preventing elevator from falling down, after solving vertical lifting equipment power-off or elevating mechanism inefficacy, lifting object falls integrity problem when producing dangerous.
The technical scheme is that
A kind of safety device for preventing elevator from falling down, including anti-fall lock hook, anti-fall lock hook seat board, gangbar, tractive magnet, gangbar bearing pin, lock hook bearing pin and protective cover.
Anti-fall lock hook is placed on anti-fall lock hook seat board, is flexibly connected by lock hook bearing pin with anti-fall lock hook seat board outside anti-fall lock hook；Gangbar one end is flexibly connected with inside anti-fall lock hook, and the other end of gangbar is flexibly connected by gangbar bearing pin with tractive magnet；Tractive magnet is fixing with the swash plate on anti-fall lock hook seat board to be connected；Protective cover covers on anti-fall lock hook seat board, and protective cover and anti-fall lock hook seat board are fixing to be connected, and lock hook bearing pin passes outside anti-fall lock hook, anti-fall lock hook seat board and protective cover.
The overall arch-shaped steel plate identical by two panels of anti-fall lock hook described above is formed by a cylindrical bar and a rectangular shaft overlap joint; by two rectangular block overlap joints between cylindrical bar and rectangular shaft; wherein; two panels arch-shaped steel plate respectively sets a through hole; two through hole lines are horizontal direction, stretch out for the rotation of anti-fall lock hook and make safety device lock outside protective cover；Cylindrical bar is demountable structure, for being flexibly connected with gangbar.
The overall inclination arch-shaped steel plate identical by two panels of anti-fall lock hook seat board described above is formed by a rectangular steel plates overlap joint；Being respectively provided with a through hole on two panels inclination arch-shaped steel plate, two through hole lines are horizontal direction, are used for inserting lock hook bearing pin；Anti-fall lock hook is positioned at above anti-fall lock hook seat board rectangular steel plates；With an inclined rectangular Plate Welding, rectangular steel plates angle of inclination 30-50 degree between two panels inclination arch-shaped steel plate；Fix for providing to support for tractive magnet, and provide support reaction when stretching out locking for anti-fall lock hook.
The overall rectangular steel plates identical by two panels of gangbar described above is formed by a rectangular steel plates overlap joint, and the two ends, left and right of every rectangular steel plates are provided with two through holes, for being flexibly connected with tractive magnet and anti-fall lock hook.
Tractive magnet entirety described above is in rectangular configuration, and tractive magnet front end is towards gangbar, and tractive magnet front end is provided with pull bar, and pull bar both sides are respectively provided with a through hole, for being flexibly connected with gangbar.
Gangbar bearing pin described above is cylindrical rustless steel bearing pin, and diameter is 8mm, and length is 50mm, connects pull bar and the gangbar of tractive magnet for rotating shaft.
Lock hook bearing pin described above is cylindrical rustless steel bearing pin, and diameter is 30mm, and length is 220mm, connects anti-fall lock hook and anti-fall lock hook seat board for rotating shaft.
Protective cover described above generally hollow, rectangular structure, stainless steel material；Protective cover upper surface seals, lower surface opening, is used for preventing foreign body from entering safety device for preventing elevator from falling down internal influence device properly functioning；Protective cover has square breach below the side of anti-fall lock hook, and during for power-off, anti-fall lock hook rotates and stretched out from the square indentation, there of protective cover by two arch-shaped steel plate wedge angles；The front and rear surfaces of protective cover is respectively provided with a through hole in the side near anti-fall lock hook, is connected for inserting with lock hook bearing pin.
The invention have the benefit that
1) apparatus structure is simple, reliability is high, this safety device for preventing elevator from falling down is only made up of 7 simple parts, design of part is simple, easy to process, wherein great majority adopt existing standard component and finished parts on market, and its structure is very simple, device relies on the effect of the own wt of lifting object to make lock hook be securely captured in wedge or lockhole, conducting oneself with dignity more big, lock hook coupling mechanism force is more big, and therefore the reliability of device is significantly high.
2) bearing capacity is strong, and device adopts and relies on the effect of own wt to be stuck in wedge or lockhole together with lifting object during locking, and deadweight is passed on the bottom surface of anti-fall lock hook seat board by anti-fall lock hook, and its stress is stable, can bearing capacity strong.
3) easy to operate, the power resources of device are tractive magnet, electric magnet energising then makes unlocking security devices, power-off then locks, when operation lifting object up-down, the signal that electric magnet is sent by relay and elevating mechanism button can be linked, it is possible to realize handling safety device automatic unlocking during elevating mechanism, and stop automatically locking when handling, operator are easy to operate.
4) apparatus module; applied widely; this safety apparatus structure is compact; protective cover is the running environment that internal structure provides cleaning, and constitutes independent modular unit, the anti-fall lock hook seat board of device can be connected to any lifting cacumen; realize anti-fall safety protection function; suitable in any large-scale vertical lifting equipment having anti-fall demand, such as large-scale lever gear door, large-sized gantry elevator, lifting gate valve, lift winch etc., the scope of application is very extensive.
Accompanying drawing explanation
Fig. 1 is the top view of safety device for preventing elevator from falling down.
Fig. 2 is anti-fall lock hook schematic diagram.
Fig. 3 is anti-fall lock hook seat board schematic diagram
Fig. 4 is safety device for preventing elevator from falling down gangbar schematic diagram
Fig. 5 is safety device for preventing elevator from falling down protective cover schematic diagram
Fig. 6 is safety device for preventing elevator from falling down tractive magnet schematic diagram
Wherein, the anti-fall lock hook of 1-, the anti-fall lock hook seat board of 2-, 3-gangbar, 4-tractive magnet, 5-gangbar bearing pin, 6-lock hook bearing pin, 7-protective cover.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
As it is shown in figure 1, a kind of safety device for preventing elevator from falling down, including anti-fall lock hook 1, anti-fall lock hook seat board 2, gangbar 3, tractive magnet 4, gangbar bearing pin 5, lock hook bearing pin 6 and protective cover 7.
Anti-fall lock hook 1 is placed on anti-fall lock hook seat board 2, is flexibly connected by lock hook bearing pin 6 with anti-fall lock hook seat board 2 outside anti-fall lock hook 1；Gangbar 3 one end is flexibly connected with inside anti-fall lock hook 1, and the other end of gangbar 3 is flexibly connected by gangbar bearing pin 5 with tractive magnet 4；Tractive magnet 4 is fixing with the swash plate on anti-fall lock hook seat board 2 to be connected；Protective cover 7 covers on anti-fall lock hook seat board 2, and protective cover 7 is fixing with anti-fall lock hook seat board 2 to be connected, and lock hook bearing pin 6 passes outside anti-fall lock hook 1, anti-fall lock hook seat board 2 and protective cover 7.
As shown in Figure 2; anti-fall lock hook 1 entirety is formed by a cylindrical bar and a rectangular shaft overlap joint by the arch-shaped steel plate that two panels is identical; by two rectangular block overlap joints between cylindrical bar and rectangular shaft; wherein; two panels arch-shaped steel plate respectively sets a through hole; two through hole lines are horizontal direction, stretch out for the rotation of anti-fall lock hook 1 and make safety device lock outside protective cover；Cylindrical bar is demountable structure, for being flexibly connected with gangbar 3.
As it is shown on figure 3, anti-fall lock hook seat board 2 entirety is formed by a rectangular steel plates overlap joint by the inclination arch-shaped steel plate that two panels is identical；Being respectively provided with a through hole on two panels inclination arch-shaped steel plate, two through hole lines are horizontal direction, are used for inserting lock hook bearing pin 6；Anti-fall lock hook 1 is positioned at above anti-fall lock hook seat board 2 rectangular steel plates；With an inclined rectangular Plate Welding, rectangular steel plates angle of inclination 30-50 degree between two panels inclination arch-shaped steel plate；Fix for providing to support for tractive magnet 4, and provide support reaction when stretching out locking for anti-fall lock hook 1.
As shown in Figure 4, gangbar 3 entirety is formed by a rectangular steel plates overlap joint by the rectangular steel plates that two panels is identical, and the two ends, left and right of every rectangular steel plates are provided with two through holes, for being flexibly connected with tractive magnet 4 and anti-fall lock hook 1.
As shown in Figure 6, tractive magnet 4 is overall in rectangular configuration, and tractive magnet 4 front end is towards gangbar 3, and tractive magnet 4 front end is provided with pull bar, and pull bar both sides are respectively provided with a through hole, for being flexibly connected with gangbar 3.
Gangbar bearing pin 5 is cylindrical rustless steel bearing pin, and diameter is 8mm, and length is 50mm, connects pull bar and the gangbar 3 of tractive magnet 4 for rotating shaft.
Lock hook bearing pin 6 is cylindrical rustless steel bearing pin, and diameter is 30mm, and length is 220mm, connects anti-fall lock hook 1 and anti-fall lock hook seat board 2 for rotating shaft.
As it is shown in figure 5, protective cover 7 generally hollow, rectangular structure, stainless steel material；Protective cover 7 upper surface seals, lower surface opening, is used for preventing foreign body from entering safety device for preventing elevator from falling down internal influence device properly functioning；Protective cover 7 has square breach below the side of anti-fall lock hook 1, and during for power-off, anti-fall lock hook 1 rotates and stretched out from the square indentation, there of protective cover 7 by two arch-shaped steel plate wedge angles；The front and rear surfaces of protective cover 7 is respectively provided with a through hole in the side near anti-fall lock hook 1, is connected for inserting with lock hook bearing pin 6.
When using apparatus of the present invention, safety device for preventing elevator from falling down body is arranged on the top of lifting object, stretch out or shrink, by anti-fall lock hook 1 is postrotational, the locking or unblock that realize safety device for preventing elevator from falling down, when tractive magnet 4 is in off-position, the pull bar of its tractive magnet 4 is in the state of stretching out, and pull bar promotes anti-fall lock hook 1 to make it rotate to stretch out by gangbar 3.The anti-fall lock hook 1 now stretched out can act in lifting object institute's wedge in orbit or lockhole, makes safety device rely on the effect of own wt to be stuck in wedge or lockhole together with lifting object, it is to avoid lifting object downslide or fall.When lifting object and needing to lift, switch on power then to tractive magnet 4, tractive magnet 4 pull bar is made to shrink after its energising, pull bar pulls anti-fall lock hook 1 to make it be contracted to original position by gangbar 3, the anti-fall lock hook 1 now shunk no longer with lifting object wedge in orbit or lockhole contact, safety device for preventing elevator from falling down is then made to unlock release, lifting object can be freely lifted, carry out descending operation rear haulage electric magnet 4 to automatically power off, safety device is made to recover lock-out state, it is to avoid lifting object glides or falls.The maximum lifting object undertaking 3 tons of weight of single safety device for preventing elevator from falling down, the collocation of several safety devices uses and can undertake larger lifting object.
Claims (9)
1. a safety device for preventing elevator from falling down, it is characterised in that: include anti-fall lock hook (1), anti-fall lock hook seat board (2), gangbar (3), tractive magnet (4), gangbar bearing pin (5), lock hook bearing pin (6) and protective cover (7)；Anti-fall lock hook (1) is placed on anti-fall lock hook seat board (2), and anti-fall lock hook (1) outside is flexibly connected by lock hook bearing pin (6) with anti-fall lock hook seat board (2)；Gangbar (3) one end is flexibly connected with anti-fall lock hook (1) inner side, and the other end of gangbar (3) is flexibly connected by gangbar bearing pin (5) with tractive magnet (4)；Tractive magnet (4) is fixing with the swash plate on anti-fall lock hook seat board (2) to be connected；Protective cover (7) covers on anti-fall lock hook seat board (2); protective cover (7) is fixing with anti-fall lock hook seat board (2) to be connected, lock hook bearing pin (6) the anti-fall lock hook of traverse (1) outside, anti-fall lock hook seat board (2) and protective cover (7).
2. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterized in that: the overall arch-shaped steel plate identical by two panels of described anti-fall lock hook (1) is formed by a cylindrical bar and a rectangular shaft overlap joint, by two rectangular block overlap joints between cylindrical bar and rectangular shaft, wherein, respectively setting a through hole on two panels arch-shaped steel plate, two through hole lines are horizontal direction；Cylindrical bar is demountable structure.
3. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterised in that: the overall inclination arch-shaped steel plate identical by two panels of described anti-fall lock hook seat board (2) is formed by a rectangular steel plates overlap joint；Being respectively provided with a through hole on two panels inclination arch-shaped steel plate, two through hole lines are horizontal direction；Anti-fall lock hook (1) is positioned at above anti-fall lock hook seat board (2) rectangular steel plates.
4. a kind of safety device for preventing elevator from falling down according to claim 3, it is characterised in that: with an inclined rectangular Plate Welding, rectangular steel plates angle of inclination 30-50 degree between the two panels inclination arch-shaped steel plate of described anti-fall lock hook seat board (2).
5. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterised in that: the overall rectangular steel plates identical by two panels of described gangbar (3) is formed by a rectangular steel plates overlap joint, and the two ends, left and right of every rectangular steel plates are provided with two through holes.
6. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterized in that: described tractive magnet (4) is overall in rectangular configuration, tractive magnet (4) front end is towards gangbar (3), tractive magnet (4) front end is provided with pull bar, and pull bar both sides are respectively provided with a through hole.
7. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterised in that: described gangbar bearing pin (5) and lock hook bearing pin (6) they are cylindrical rustless steel bearing pin.
8. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterised in that: described protective cover (7) generally hollow, rectangular structure；Protective cover (7) upper surface seals, lower surface opening；Protective cover (7) has square breach below the side of anti-fall lock hook (1)；The front and rear surfaces of protective cover (7) is respectively provided with a through hole in the side near anti-fall lock hook (1).
9. a kind of safety device for preventing elevator from falling down according to claim 1, it is characterised in that: described protective cover (7) adopts stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248195.0A CN105776031A (en) | 2016-04-20 | 2016-04-20 | Anti-glide safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248195.0A CN105776031A (en) | 2016-04-20 | 2016-04-20 | Anti-glide safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105776031A true CN105776031A (en) | 2016-07-20 |
Family
ID=56396898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610248195.0A Pending CN105776031A (en) | 2016-04-20 | 2016-04-20 | Anti-glide safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105776031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928568A (en) * | 2021-11-19 | 2022-01-14 | 中国直升机设计研究所 | Mechanical self-locking type electromagnetic throwing device for unmanned aerial vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01242400A (en) * | 1988-03-17 | 1989-09-27 | Yutani Heavy Ind Ltd | Positioner drop preventive device |
| CN2130801Y (en) * | 1992-07-13 | 1993-04-28 | 滕卫国 | Safety device for preventing wrong fall of lifter |
| CN201517294U (en) * | 2009-10-20 | 2010-06-30 | 孙嘉理 | Positioning falling protector with switch |
| CN201883742U (en) * | 2010-11-21 | 2011-06-29 | 袁志年 | Three-dimensional garage falling protector |
| CN202810295U (en) * | 2012-05-25 | 2013-03-20 | 射阳县达金电气有限公司 | 3-ton three-dimensional garage mechanical type parachute |
| CN204198278U (en) * | 2014-11-04 | 2015-03-11 | 常州常矿起重机械有限公司 | Bridge type stacking machine fall-proofing device |
| CN205603082U (en) * | 2016-04-20 | 2016-09-28 | 北京强度环境研究所 | Prevent safety device that glides |
-
2016
- 2016-04-20 CN CN201610248195.0A patent/CN105776031A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01242400A (en) * | 1988-03-17 | 1989-09-27 | Yutani Heavy Ind Ltd | Positioner drop preventive device |
| CN2130801Y (en) * | 1992-07-13 | 1993-04-28 | 滕卫国 | Safety device for preventing wrong fall of lifter |
| CN201517294U (en) * | 2009-10-20 | 2010-06-30 | 孙嘉理 | Positioning falling protector with switch |
| CN201883742U (en) * | 2010-11-21 | 2011-06-29 | 袁志年 | Three-dimensional garage falling protector |
| CN202810295U (en) * | 2012-05-25 | 2013-03-20 | 射阳县达金电气有限公司 | 3-ton three-dimensional garage mechanical type parachute |
| CN204198278U (en) * | 2014-11-04 | 2015-03-11 | 常州常矿起重机械有限公司 | Bridge type stacking machine fall-proofing device |
| CN205603082U (en) * | 2016-04-20 | 2016-09-28 | 北京强度环境研究所 | Prevent safety device that glides |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928568A (en) * | 2021-11-19 | 2022-01-14 | 中国直升机设计研究所 | Mechanical self-locking type electromagnetic throwing device for unmanned aerial vehicle |
| CN113928568B (en) * | 2021-11-19 | 2023-04-18 | 中国直升机设计研究所 | Mechanical self-locking type electromagnetic throwing device for unmanned aerial vehicle |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |