CN201545571U - Progressive wedge anti-falling safety device - Google Patents
Progressive wedge anti-falling safety device Download PDFInfo
- Publication number
- CN201545571U CN201545571U CN2009202009202U CN200920200920U CN201545571U CN 201545571 U CN201545571 U CN 201545571U CN 2009202009202 U CN2009202009202 U CN 2009202009202U CN 200920200920 U CN200920200920 U CN 200920200920U CN 201545571 U CN201545571 U CN 201545571U
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- hole
- safety device
- spring
- pin
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Abstract
The utility model relates to a safety protection device on a lifter hanging cage, in particular to a progressive wedge anti-falling safety device, which prevents the hanging cage falling at the moment that a lifting steel wire rope is broken. The progressive wedge anti-falling safety device comprises a main shaft pin, a base, guide pulleys, a wall plate, locking devices, a triggering device and a lever transmission mechanism, the locking devices are arranged on two sides of a hanging cage track between the upper pair of guide pulleys and the lower pair of guide pulleys, the triggering device is arranged on the rear side of the wall plate, and the lower ends of the locking device and the lower end of the triggering device are respectively connected with the lever transmission mechanism. The progressive wedge anti-falling safety device has the advantages that firstly, the hanging cage is stopped falling via a progressive form so as to reduce impact force to the track and prevent severely damaging a frame body of the lifter, secondly, the safety device can be adaptable to different hanging cage tracks, thirdly, the safety device can be adaptable to severe construction environments, fourthly, the safety device is not affected by volume of the lifter hanging cage, can be applied on a single track or double tracks, and does not have implicated relation with the main lifting steel wire rope, and fifthly, the safety device is reliable in property, simple in structure, convenient in manufacturing and easy in mounting and debugging.
Description
Technical field
The utility model relates to the safety guard on a kind of elevator craning cage, and the moment of fracture specifically takes place when hoisting cable, prevents a kind of gradual voussoir anti-falling safety device that falls under the cage.
Background technology
At present use by rope traction or draw mode transmission building hoist, bearing main vertical transport work on the engineering.Fall arrest safety guard in the practice on this class elevator craning cage remains in weak point, is difficult to guarantee to prevent reliably the generation of falling accident.As:
1, influenced by the camp site harsh environment or untimely maintaining, and multimachine structure interlock link in the falling protector when producing corrosion or entering foreign material, will lose the actv. function, often forms a kind of virtual ornaments;
2,, after effective work, very easily cause the major injury of cage track with the anti-falling safety device of instantaneous eccentric wheel type work;
3, the parts self-protection in the safety is poor, makes foreign material enter inside easily;
4, adjusting leeway in space is little between tooth piece and the track, is easy to generate misoperation;
5, mechanism's complexity, productive costs height, maintaining trouble.
Above columns shows that elevator still exists the hidden danger of cage falling accident in operational process.
The utility model content
The purpose of this utility model is exactly the weak point in the background technology, the lateral pressure combined action of a kind of release force, lever force and tooth piece that utilizes stage clip in oblique seat is provided, reaches the fall gradual voussoir anti-falling safety device of purpose of stop cage at last downwards.
For achieving the above object, the utility model adopts following technical scheme: gradual voussoir anti-falling safety device, comprise swirl pin, base, the slide guide wheel, wallboard and latching device, the base upper end is connected with swirl pin, the swirl pin front end is connected with wallboard, two pairs of slide guide wheels are connected the wallboard front side by adapter shaft up and down, the cage track lays respectively between two pairs of slide guide wheels, the plane is offered in described swirl pin both sides, the wallboard middle part is provided with waist hole I, swirl pin two side planes cooperate with I both sides, waist hole, its front end pass that waist hole I is connected with wallboard and swirl pin and I lower end, waist hole between be provided with the gap, cage track both sides were provided with latching device between two pairs of slide guides were taken turns up and down, the latching device top is provided with dust guard and dust guard is connected with wallboard, the wallboard rear side is provided with flip flop equipment, and the latching device lower end is connected with lever transmission mechanism respectively with the flip flop equipment lower end.
For a kind of optimization of the present utility model, latching device comprises wedge tooth piece, transiting slide plate, oblique adapter plate, guidepost, positioning screw and captive nut and disk spring, two groups of oblique adapter plates are " eight " word shape and captive joint with wallboard respectively, two groups of transiting slide plates lay respectively at oblique adapter plate inboard, two groups of wedge tooth pieces are positioned at the inboard of transiting slide plate, one end of two positioning screws is connected with a side end face of two groups of transiting slide plates respectively, the other end passes respectively that through hole is connected with captive nut on the oblique adapter plate, be respectively equipped with pilot hole and spring mounting hole near transiting slide plate one side on two groups of oblique adapter plates, be respectively equipped with guidepost in the pilot hole and guidepost one end is captiveed joint with transiting slide plate, disk spring is positioned at spring mounting hole, and the one end is connected with the spring mounting hole bottom, the other end is connected with the transiting slide plate end face, be respectively equipped with guide groove on the opposite side end face of transiting slide plate, wedge tooth piece is provided with the guided way with the guide groove coupling.
For a kind of optimization of the present utility model, described flip flop equipment comprises being that movable contact is sent out mechanism and differential trigger mechanism;
Be that movable contact is sent out mechanism and comprised slide block and spring, slide block is provided with waist hole II, swirl pin passes waist hole II respectively and is connected with wallboard with waist hole I, and leave the gap between swirl pin and the II lower end, waist hole, the slide block of the axial wall downside of swirl pin is provided with spring mounting hole, spring is positioned at spring mounting hole, and the one end is connected with the spring mounting hole bottom, and counterbore is connected on the axial wall of the other end and swirl pin;
It is that movable contact is sent out the mechanism top that differential trigger mechanism is positioned at, described differential trigger mechanism comprises column tube, positioning screw and nut, fixed cap, footstock and compression spring, the column tube outer wall is captiveed joint with wallboard, compression spring is positioned at column tube and the compression spring two ends are respectively equipped with footstock, the column tube upper end is provided with fixed cap, the fixed cap center is provided with tapped bore, positioning screw is connected with compression spring upper end footstock after screwing in nut and fixed cap upper screwed hole successively, and compression spring lower end footstock is connected with upper end of slide block.
For a kind of optimization of the present utility model, described lever transmission mechanism comprises throw of lever, cross joint, connecting pin, tie bolt and nut, I below in waist hole, wallboard front side is provided with Connection Block, the wallboard at Connection Block two ends is provided with through hole, throw of lever one end in both sides passes through hole and is connected with the slide block lower end, and both sides throw of lever middle part is hinged by connecting pin and Connection Block, and to save an end hinged with cross respectively for the both sides throw of lever other end, cross save the other end and wedge tooth piece lower end hinged.
For a kind of optimization of the present utility model, captive nut is made of two mutual adjacent nuts.
The good effect of the gradual voussoir anti-falling safety device of the utility model is:
The one, being positioned in this device between wiper block on the swirl pin and gradient casing has the gravity compression spring, when base produces free-falling body along with cage, it has discharged compressive force, thereby produced differential motion between the two, cause wiper block to shift to an earlier date the depress lever arm, having provoked the chisel teeth piece upwards impacts along gradient transiting slide plate, moment has produced lateral pressure after touching orbital plane, back dish stage clip pressurized until with time difference that support combines in, reached with progressive pattern to fall under the stop cage, alleviate impulsive force that track produces, prevent from Frame of elevator is produced serious damage;
The 2nd, have and prevent that foreign material from entering the protection of parts, adapts to abominable construction environment;
The 3rd, as long as it all can be applicable to different cage tracks after changing tooth surface shape and spacing;
The 4th, not influenced by elevator craning cage volume size variation, all can use on the single, double track, and not have implicated relationship with main hoisting cable;
The 5th, dependable performance, simple in structure, easily manufactured, Installation and Debugging are easy.
Description of drawings
Fig. 1 is that the master of gradual voussoir anti-falling safety device looks structural scheme of mechanism.
Fig. 2 is the side-looking structural representation of gradual voussoir anti-falling safety device.
Fig. 3 is the plan structure scheme drawing of gradual voussoir anti-falling safety device.
Fig. 4 is the structural representation of latching device.
Fig. 5 is the structural representation of flip flop equipment.
Fig. 6 is the structural representation of lever transmission mechanism.
The utility model is elaborated with reference to accompanying drawing below in conjunction with embodiment
The specific embodiment
Embodiment 1: with reference to Fig. 1～6.Gradual voussoir anti-falling safety device, comprise swirl pin 1, base 7, slide guide wheel 4 and latching device 5, two pairs of slide guides wheel 4 is connected wallboard 3 front sides by adapter shaft 9 up and down, cage track 10 lays respectively between two pairs of slide guide wheels 4, the plane is offered in described swirl pin both sides, wallboard 3 middle parts are provided with waist hole I 3-1,1 liang of side plane 1-1 of swirl pin cooperates with I 3-1 both sides, waist hole, its front end pass that waist hole I 3-1 is connected with wallboard 3 and swirl pin 1 and I 3-1 lower end, waist hole between be provided with the gap, cage track 10 both sides were provided with latching device 5 between two pairs of slide guides took turns 4 up and down, latching device 5 tops are provided with dust guard 8 and dust guard 8 is connected with wallboard 3, and dust guard 8 has played the protection driving parts and prevented the effect that foreign material enter; Wallboard 3 rear sides are provided with flip flop equipment 2, and latching device 5 lower ends are connected with lever transmission mechanism 6 respectively with flip flop equipment 2 lower ends.
Embodiment 2: with reference to Fig. 1～4.Latching device 5 comprises wedge tooth piece 5-9, transiting slide plate 5-8, oblique adapter plate 5-4, guidepost 5-6, positioning screw 5-1 and captive nut 5-2 and disk spring 5-3, two groups of oblique adapter plate 5-4 are " eight " word shape and captive joint with wallboard 3 respectively, two groups of transiting slide plate 5-8 lay respectively at oblique adapter plate 5-4 inboard, two groups of wedge tooth piece 5-9 are positioned at the inboard of transiting slide plate 5-8, the end of two positioning screw 5-1 is connected with the side end face of two groups of transiting slide plate 5-8 respectively, the other end passes the last through hole of oblique adapter plate 5-4 respectively and is connected with captive nut 5-2, two groups of oblique adapter plate 5-4 go up near transiting slide plate 5-8 one side and are respectively equipped with pilot hole 5-5 and spring mounting hole 5-11, be respectively equipped with guidepost 5-6 in the pilot hole 5-5 and guidepost 5-6 one end is captiveed joint with transiting slide plate 5-8, disk spring 5-3 is positioned at spring mounting hole 5-11, and the one end is connected with spring mounting hole 5-11 bottom, the other end is connected with transiting slide plate 5-8 end face, be respectively equipped with guide groove 5-7 on the opposite side end face of transiting slide plate 5-8, wedge tooth piece 5-9 is provided with the guided way 5-10 with guide groove 5-7 coupling.
Embodiment 3: with reference to Fig. 1,2,3 and 5.Described flip flop equipment 2 comprises being that movable contact is sent out mechanism and differential trigger mechanism;
Be that movable contact is sent out mechanism and comprised slide block 2-6 and spring 2-5, slide block 2-6 is provided with waist hole II 2-7, swirl pin 1 passes waist hole II 2-7 respectively and is connected with wallboard 3 with waist hole I 3-1, and leave the gap between swirl pin 1 and the II 2-7 lower end, waist hole, the slide block 2-6 of the axial wall downside of swirl pin 1 is provided with spring mounting hole 2-10, spring 2-5 is positioned at spring mounting hole 2-10, and the one end is connected with spring mounting hole 2-10 bottom, and counterbore 1-1 is connected on the axial wall of the other end and swirl pin 1;
It is that movable contact is sent out the mechanism top that differential trigger mechanism is positioned at, described differential trigger mechanism comprises column tube 2-2, positioning screw 2-1 and nut 2-8, fixed cap 2-9, footstock 2-3 and compression spring 2-4, column tube 2-2 outer wall is captiveed joint with wallboard 3, compression spring 2-4 is positioned at column tube 2-2 and compression spring 2-4 two ends are respectively equipped with footstock 2-3, column tube 2-2 upper end is provided with fixed cap 2-9, fixed cap 2-9 center is provided with tapped bore, positioning screw 2-1 is connected with compression spring 2-4 upper end footstock 2-3 after screwing in nut 2-8 and fixed cap 2-9 upper screwed hole successively, is connected on compression spring 2-4 lower end footstock 2-3 and the slide block 2-6.
Embodiment 4: with reference to Fig. 1,2,4 and 6.Described lever transmission mechanism comprises throw of lever 6-1, cross joint 6-3, connecting pin 6-2, Connection Block 6-4, waist hole I 3-1 below in wallboard 3 front side is provided with Connection Block 6-4, the wallboard 3 at Connection Block 6-4 two ends is provided with through hole 3-2, both sides throw of lever 6-1 one end passes through hole 3-2 and is connected with slide block 2-6 lower end, and throw of lever 6-1 middle part in both sides is hinged by connecting pin 6-2 and Connection Block 6-4, the both sides throw of lever 6-1 other end is hinged with cross joint 6-3 one end respectively, and the cross joint 6-3 other end and wedge tooth piece 5-9 lower end are hinged.
Embodiment 5: with reference to Fig. 2～4.Captive nut 5-2 is made of two mutual adjacent nuts.
Embodiment 6: with reference to Fig. 1～6.When the generation cage drops suddenly, because base is connected with cage, base 7 drives swirl pin 1 along the downward compression spring 2-5 of waist hole I 3-1, to drive slide block 2-6 depress lever arm 6-1, throw of lever 6-1 middle part is by connecting pin 6-2 and Connection Block 6-4, the throw of lever 6-1 other end is by cross joint 17 and wedge 5-9, thereby wedge 5-9 is upwards slided along guide groove 5-7, touch on the cage track 10 until wedge 5-9, produced side direction compressing power, made both sides wedge 5-9 locking on cage track 10; The effect of trigger mechanism and differential trigger mechanism is: when swirl pin 1 moment tenesmus, slide block 2-6 has produced differential motion, makes the slide block 2-6 in the gradual voussoir anti-falling safety device take the lead in acting on throw of lever 6-1; The effect of guidepost 5-6 and pilot hole 5-5 is: make transiting slide plate 5-8 and move along the axial direction of guidepost and pilot hole with transiting slide plate 5-8 bonded assembly wedge 5-9; The effect of location positioning screw 5-1 and captive nut 5-2 is the miles of relative movement of restriction transiting slide plate 5-8 and oblique adapter plate 5-4; Disk spring 5-3 has played the buffer action when guidepost moves to transiting slide plate 5-8; 8 of dust guards have played the protection driving parts, prevent the effect that foreign material enter.
What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations; just to simple declaration of the present utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.
Claims (5)
1. gradual voussoir anti-falling safety device, comprise swirl pin (1), base (7), slide guide wheel (4), wallboard (3) and latching device (5), base (7) upper end is connected with swirl pin (1), swirl pin (1) front end is connected with wallboard (3), two pairs of slide guide wheels (4) are connected wallboard (3) front side by adapter shaft (9) up and down, cage track (10) lays respectively between two pairs of slide guide wheels (4), it is characterized in that: the plane is offered in described swirl pin (1) both sides, wallboard (3) middle part is provided with waist hole I (3-1), swirl pin (1) two side plane (1-1) cooperates with both sides, waist hole I (3-1), its front end pass that waist hole I (3-1) is connected with wallboard (3) and swirl pin (1) and lower end, waist hole I (3-1) between be provided with the gap, cage track (10) both sides are provided with latching device (5) between two pairs of slide guide wheels (4) up and down, latching device (5) top is provided with dust guard (8) and dust guard (8) is connected with wallboard (3), wallboard (3) rear side is provided with flip flop equipment (2), and latching device (5) lower end is connected with lever transmission mechanism (6) respectively with flip flop equipment (2) lower end.
2. gradual voussoir anti-falling safety device according to claim 1, it is characterized in that: latching device (5) comprises wedge tooth piece (5-9), transiting slide plate (5-8), oblique adapter plate (5-4), guidepost (5-6), positioning screw (5-1) and captive nut (5-2) and disk spring (5-3), two groups of oblique adapter plates (5-4) are " eight " word shape and captive joint with wallboard (3) respectively, two groups of transiting slide plates (5-8) lay respectively at oblique adapter plate (5-4) inboard, two groups of wedge tooth pieces (5-9) are positioned at the inboard of transiting slide plate (5-8), one end of two positioning screws (5-1) is connected with a side end face of two groups of transiting slide plates (5-8) respectively, the other end passes the last through hole of oblique adapter plate (5-4) respectively and is connected with captive nut (5-2), two groups of oblique adapter plates (5-4) are gone up near transiting slide plate (5-8) side and are respectively equipped with pilot hole (5-5) and spring mounting hole (5-11), be respectively equipped with guidepost (5-6) in the pilot hole (5-5) and guidepost (5-6) end is captiveed joint with transiting slide plate (5-8), disk spring (5-3) is positioned at spring mounting hole (5-11), and the one end is connected with spring mounting hole (5-11) bottom, the other end is connected with transiting slide plate (5-8) end face, be respectively equipped with guide groove (5-7) on the opposite side end face of transiting slide plate (5-8), wedge tooth piece (5-9) is provided with the guided way (5-10) with guide groove (5-7) coupling.
3. gradual voussoir anti-falling safety device according to claim 1 is characterized in that: described flip flop equipment (2) comprises being that movable contact is sent out mechanism and differential trigger mechanism;
Be that movable contact is sent out mechanism and comprised slide block (2-6) and spring (2-5), slide block (2-6) is provided with waist hole II (2-7), swirl pin (1) passes waist hole II (2-7) respectively and is connected with wallboard (3) with waist hole I (3-1), and leave the gap between swirl pin (1) and the lower end, waist hole II (2-7), the slide block (2-6) of the axial wall downside of swirl pin (1) is provided with spring mounting hole (2-10), spring (2-5) is positioned at spring mounting hole (2-10), and the one end is connected with spring mounting hole (2-10) bottom, and counterbore (1-1) is connected on the axial wall of the other end and swirl pin (1);
It is that movable contact is sent out the mechanism top that differential trigger mechanism is positioned at, described differential trigger mechanism comprises column tube (2-2), positioning screw (2-1) and nut (2-8), fixed cap (2-9), footstock (2-3) and compression spring (2-4), column tube (2-2) outer wall is captiveed joint with wallboard (3), compression spring (2-4) is positioned at column tube (2-2) and compression spring (2-4) two ends are respectively equipped with footstock (2-3), column tube (2-2) upper end is provided with fixed cap (2-9), fixed cap (2-9) center is provided with tapped bore, positioning screw (2-1) is connected with compression spring (2-4) upper end footstock (2-3) after screwing in nut (2-8) and fixed cap (2-9) upper screwed hole successively, is connected on compression spring (2-4) lower end footstock (2-3) and the slide block (2-6).
4. according to claim 1 or 2 or 3 described gradual voussoir anti-falling safety devices, it is characterized in that: described lever transmission mechanism comprises throw of lever (6-1), cross joint (6-3), connecting pin (6-2), Connection Block (6-4), wallboard (3) front side waist hole I (3-1) below is provided with Connection Block (6-4), the wallboard (3) at Connection Block (6-4) two ends is provided with through hole (3-2), both sides throw of lever (6-1) end passes through hole (3-2) and is connected with slide block (2-6) lower end, and both sides throw of lever (6-1) middle part is hinged by connecting pin (6-2) and Connection Block (6-4), both sides throw of lever (6-1) other end is hinged with cross joint (6-3) end respectively, and cross joint (6-3) other end and wedge tooth piece (5-9) lower end are hinged.
5. gradual voussoir anti-falling safety device according to claim 2 is characterized in that: captive nut (5-2) is made of two mutual adjacent nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202009202U CN201545571U (en) | 2009-11-23 | 2009-11-23 | Progressive wedge anti-falling safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202009202U CN201545571U (en) | 2009-11-23 | 2009-11-23 | Progressive wedge anti-falling safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201545571U true CN201545571U (en) | 2010-08-11 |
Family
ID=42600736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202009202U Expired - Fee Related CN201545571U (en) | 2009-11-23 | 2009-11-23 | Progressive wedge anti-falling safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201545571U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602771A (en) * | 2012-03-13 | 2012-07-25 | 谭锦泉 | Safety falling protector |
| CN103991769A (en) * | 2014-05-28 | 2014-08-20 | 六安市鸿兴精密机械有限公司 | Falling prevention device |
| CN111054088A (en) * | 2019-12-26 | 2020-04-24 | 谌军军 | Fall-preventing Weiya device |
| CN114275680A (en) * | 2021-12-27 | 2022-04-05 | 安徽京深智能科技有限公司 | Anti-falling combined type passive retarder for suspension cage |
-
2009
- 2009-11-23 CN CN2009202009202U patent/CN201545571U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602771A (en) * | 2012-03-13 | 2012-07-25 | 谭锦泉 | Safety falling protector |
| CN102602771B (en) * | 2012-03-13 | 2014-08-27 | 谭锦泉 | Safety falling protector |
| CN103991769A (en) * | 2014-05-28 | 2014-08-20 | 六安市鸿兴精密机械有限公司 | Falling prevention device |
| CN111054088A (en) * | 2019-12-26 | 2020-04-24 | 谌军军 | Fall-preventing Weiya device |
| CN111054088B (en) * | 2019-12-26 | 2021-12-14 | 商河县产业投资开发集团有限公司 | Fall-preventing Weiya device |
| CN114275680A (en) * | 2021-12-27 | 2022-04-05 | 安徽京深智能科技有限公司 | Anti-falling combined type passive retarder for suspension cage |
| CN114275680B (en) * | 2021-12-27 | 2024-05-17 | 安徽京深智能科技有限公司 | Anti-falling combined passive retarder for hanging cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20151123 |