CN104234403A - Ratchet type anti-falling device - Google Patents
Ratchet type anti-falling device Download PDFInfo
- Publication number
- CN104234403A CN104234403A CN201410285450.XA CN201410285450A CN104234403A CN 104234403 A CN104234403 A CN 104234403A CN 201410285450 A CN201410285450 A CN 201410285450A CN 104234403 A CN104234403 A CN 104234403A
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- China
- Prior art keywords
- ratchet
- fall
- locking
- runner
- vertical guide
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Abstract
The invention relates to a ratchet type anti-falling device which comprises a body mounting seat, an anti-falling ratchet, an anti-falling rotary wheel, a locking ratchet, an adjusting ratchet, a torsion spring, a stretching spring, a cover plate and bolts. The body mounting seat is mounted on wall-attached guide support. The anti-falling rotary wheel is mounted in the middle of the body mounting seat and combines with the anti-falling ratchet to form a mechanism which can rotate as a whole. The locking ratchet combines with the adjusting ratchet and is connected with the same through the torsion spring, and the locking ratchet and the adjusting ratchet are mounted on the mounting shaft of the body mounting seat to form a normal-open adjusting device which can also be closed. The locking ratchet is connected with the body mounting seat through the stretching spring, so that the locking ratchet can reset at any time. The locking ratchet, the adjusting ratchet, the torsion spring and the stretching spring are mounted at two ends of the body mounting seat in a left-right symmetry manner. The cover plate is mounted on the outer sides of the left end and the right end of the body mounting seat and locked through the bolts.
Description
Technical field
The present invention relates to the construction equipment of building field, especially for a kind of ratchet-type anti-drop device of attachment type raise scaffold.
Background technology
At building field, especially middle-high building, extensively adopts integral hoisting scaffold in construction, be called for short climbing frame, as the outer protection of building periphery, be arranged on body of wall by attached wall guide type shoe, drive it to rise by electric block or decline, outer construction of prevention work is carried out to building.
In the practical application of climbing frame, for the use climbing frame of effective and safe, in climbing frame, anti-drop system must be installed, existing anti-drop system comprises anti-drop device, anti-fall wire rope and cushion block etc., when elevator chain or suspension hook lost efficacy, anti-drop device can hold wire rope tightly automatically, produced braking, thus prevent support body from falling, existing climbing frame is due to structural problem, and skidding effect is undesirable, there is potential safety hazard, and complex structure, install and use trouble, cost is high, and therefore improvement and bring new ideas is imperative.
The one that the installation anti-drop device of climbing frame is conventional is anti-fall push rod form, climbing frame is when stationary deployment, push rod is departed from anti-fall lever by manual operation, climbing frame can be run normally up and down, after operation puts in place up and down, manual operation is needed to head on anti-fall lever by anti-fall push rod, climbing frame is fixed on Around Buildings, if climbing frame runs into electric block chain breakage or electric block when not stressing in decline process, contact device allows anti-fall push rod reset and heads on anti-fall lever, prevent the tenesmus of support body, this mode is reliable, anti-fall distance is the spacing of anti-fall lever, be generally 80mm, weak point is: hard impact occurs time anti-fall, impact force is large, support body just can be locked in the position that after each lifting completes, needs manually adjust anti-fall push rod.
Summary of the invention
For above-mentioned situation, in order to overcome the defect of prior art, the object of the present invention is just to provide a kind of safe ratchet-type anti-drop device that reliably, to simplify, that use, effectively can solve the security hidden trouble that climbing frame exists in lifting process, and structure simply uses, be easy to install, save human cost.
The technical scheme that the present invention solves is that the vertical guide of attached wall guide type shoe integral lifting scaffold matches; Vertical guide is fixed by attached wall guide type shoe and building, and on attached wall guide type shoe, left and right locking guide wheel assembly snaps in the groove of two blocks, left and right guiding channel-section steel of vertical guide; Comprise main body mount pad, anti-fall ratchet, anti-fall runner, locking ratchet, regulate ratchet, torsionspring, extension spring, cover plate, bolt, main body mount pad is arranged on attached wall guide type shoe, anti-fall runner to be arranged in the middle of main body mount pad and to combine with anti-fall ratchet, forms an overall revolvable mechanism; Locking ratchet is combined with regulating ratchet, connects in the installation shaft being arranged on main body mount pad in the lump with torsionspring, makes locking ratchet and adjustment ratchet form one and often opens and the adjusting device that can close; Locking ratchet is linked together by extension spring and main body mount pad, enables it lock ratchet and resets at any time; Wherein lock ratchet, regulate ratchet, torsionspring and extension spring to be symmetrically be arranged on main body mount pad two ends; Cover plate is arranged on the outside at two ends, main body mount pad left and right respectively, and is tightened by bolts.
Novel structure of the present invention is unique, advantages of simple, easy installation and removal, saving of labor, save time, material-saving, efficient, anti-fall effective, safe and reliable, be the innovation on anti-drop system.
Accompanying drawing explanation
Fig. 1 is front view of the present invention (non-mounting guide rail).
Fig. 2 is lateral view of the present invention.
Fig. 3 is that the present invention declines the sectional front view of operating mode.
Sectional front view when Fig. 4 is anti-falling protection of the present invention.
Fig. 5 is that the present invention rises the sectional front view of operating mode.
Fig. 6 is the top view of attached wall guide type shoe of the present invention.
Fig. 7 is the front view of guide rail of the present invention.
Fig. 8 is the top view of guide rail of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Provided by Fig. 1-8, the vertical guide 12 that the present invention includes attached wall guide type shoe 1 integral lifting scaffold matches; Vertical guide 12 is fixed by attached wall guide type shoe 1 and building, and on attached wall guide type shoe 1, left and right locking guide wheel assembly 13 snaps in the groove of two pieces, left and right guiding channel-section steel 12a of vertical guide 12; Comprise main body mount pad 2, anti-fall ratchet 3, anti-fall runner 4, locking ratchet 5, regulate ratchet 6, torsionspring 7, extension spring 8, cover plate 9, bolt 10, main body mount pad 2 is arranged on attached wall guide type shoe 1, anti-fall runner 4 to be arranged in the middle of main body mount pad 2 and to combine with anti-fall ratchet 3, forms an overall revolvable mechanism; Locking ratchet 5 is combined with regulating ratchet 6, connects in the installation shaft being arranged on main body mount pad 2 in the lump with torsionspring 7, makes locking ratchet 5 and adjustment ratchet 6 form one and often opens and the adjusting device that can close; Locking ratchet 5 is linked together by extension spring 8 and main body mount pad 2, and making it lock ratchet 5 can reset at any time; Wherein locking ratchet 5, adjustment ratchet 6, torsionspring 7 is symmetrical main body mount pad 2 two ends that are arranged on extension spring 8; Cover plate 9 is arranged on the outside at main body mount pad about 2 two ends respectively, and locks with bolt 10;
Anti-fall runner 4 is connected with vertical guide 12, when anti-fall ratchet 3 is in locking state with locking ratchet 5 under interlocking pattern, make to engage between anti-fall lever 12b uniform between anti-fall runner 4 and vertical guide 12 liang of rail bodies, the decline of restriction vertical guide 12; When being in released state under anti-fall ratchet 3 and locking ratchet 5 depart from interlocking pattern, vertical guide 12 is drive anti-fall runner 4 to dally in rising or decline.
In order to ensure result of use, described anti-fall runner 4 and vertical guide 12 are connected structure, the anti-fall lever 12b of horizontally set between two guiding channel-section steel 12a in vertical guide 12, anti-fall lever 12b is several that be arranged in parallel, be arranged above and below along guiding channel-section steel 12a, the tooth of anti-fall runner 4 periphery engages with anti-fall lever 12b.
Described locking ratchet 5 and regulating to arrange torsionspring 7 between ratchet 6 and forms one and often open and the adjusting device that can close, when vertical guide 12 declines, anti-fall lever 12b drives anti-fall runner 4 to rotate, anti-fall runner 4 is integrally formed with anti-fall ratchet 3, anti-fall ratchet 3 contacts with adjustment ratchet 6 and pushes, and when the tooth of anti-fall ratchet 3 crosses adjustment ratchet 6, locking ratchet 5 is under the pulling force effect of extension spring 8, locking ratchet 5 being resetted with regulating ratchet 6, completing and once deflecting; Constantly repeat above process, anti-fall lever 12b constantly will pass through ratchet-type anti-drop device.
Described anti-fall ratchet 3 engages with locking ratchet 5, form anti-drop device braking, the anti-fall principle of this anti-drop device is braked in a kind of anti-fall mode of stall, when vertical guide 12 declines fast or falls, anti-fall lever 12b and anti-fall runner 4 collide the larger and rotation of anti-fall runner 4 of the energy produced also do not return to comparatively greatly primary collision before state, now lock ratchet 5 to engage with anti-fall ratchet 3, make locking ratchet 5 cannot return, tooth and the anti-fall lever 12b of anti-fall runner 4 block, it is made to keep static, namely vertical guide 12 is stuck, play the effect of anti-falling protection.
Described guide wheel assembly 13 there is draw-in groove 13a, draw-in groove inwall has symmetrical directive wheel 13b.
Anti-drop device of the present invention, the relative theories such as application " kinetics " theorem of kinetic energy, conservation of mechanical energy theorem, momentum theorem and principle of conservation of momentum.By arranged together in order for the anti-fall lever design on guide rail, the speed difference that the energy utilizing the anti-fall lever on guide rail and anti-fall runner to collide to produce and guide rail decline, adjustment ratchet auto-adjustment control.When attached wall guide type shoe is fixed, when guide rail moves upward at a slow speed under the constraint of attached wall guide type shoe, anti-fall lever in motion to enter in attached wall guide type shoe and after anti-fall rotatable wheel contacts is pushed, there is anticlockwise rotation in anti-fall runner in the vertical direction under the impetus of anti-fall lever, after anti-fall lever crosses anti-fall runner, locking ratchet sets back under the pulling force effect of extension spring, complete and once rotate, and then another anti-fall lever collides with anti-fall runner again, repeat above process, anti-fall lever will constantly slowly upwards by attached wall guide type shoe.
When attached wall guide type shoe is fixed, when guide rail moves downward at a slow speed under the constraint of attached wall guide type shoe (as shown in Figure 3), anti-fall pin in motion to enter in attached wall guide type shoe and after pushing with anti-fall rotatable wheel contacts, due to anti-fall pin and anti-fall runner, to collide the energy produced less, deflection is more by a small margin there is together along clockwise direction in anti-fall runner promotion adjustment ratchet in perpendicular, after anti-fall runner crossed by anti-fall pin, locking ratchet sets back under the pulling force effect of extension spring, complete and once rotate, repeat above process, anti-fall pin constantly will slowly pass downwardly through attached wall guide type shoe.
When guide rail sharp downward movement or when falling (as shown in Figure 4), the energy produced when colliding unlike pin anti-fall during descending at slow speed and anti-fall runner with descending at slow speed is less and after regulating ratchet and anti-fall runner to complete once to rotate and returning to original state, and then another anti-fall pin just enters again in the scope of anti-fall runner, and when guide rail declines fast or falls, anti-fall lever and anti-fall runner collide the larger and rotation of anti-fall runner of the energy produced also do not return to comparatively greatly primary collision before state, now lock ratchet to engage with anti-fall ratchet, make locking ratchet cannot return, tooth and the anti-fall lever of anti-fall runner block, it is made to keep static, namely vertical guide is stuck, play the effect of anti-falling protection.When after failture evacuation, guide rail is upwards promoted certain altitude, locking ratchet returns to original state again under the pulling force effect of extension spring, and now whole device returns to normal operating conditions again.
Compared with prior art, the present invention has the following advantages:
1, automatic drop resistant, without the need to operation, is applicable to various emergency case, safe and reliable;
2, anti-drop device of the present invention can multiplely arrange, simple and reliable, these anti-drop devices are separate, wherein the inefficacy of any point, and lifting frame body can not fall or tumble, safe and reliable, and structure is simple, and cost is low;
3, be applicable to the highrise building of various standard flat, road and bridge bridge pier, chimney, silo structure, the more complicated structure of building external can be applicable to flexibly, decoration eaves etc. as little in balcony, two bridging piece, concavo-convex change; Both can Integral lifting, also can promote by burst, require to use flexibly according to construction section; Promotion prospect is wide, has good Social and economic benef@.
Claims (5)
1. ratchet-type anti-drop device, the vertical guide (12) of attached wall guide type shoe (1) integral lifting scaffold matches; Vertical guide (12) is fixed by attached wall guide type shoe (1) and building, and upper left and right locking guide wheel assembly (13) of attached wall guide type shoe (1) snaps in the groove of two pieces, left and right guiding channel-section steel (12a) of vertical guide (12); It is characterized in that: comprise main body mount pad (2), anti-fall ratchet (3), anti-fall runner (4), locking ratchet (5), regulate ratchet (6), torsionspring (7), extension spring (8), cover plate (9), bolt (10), main body mount pad (2) is arranged on attached wall guide type shoe (1), anti-fall runner (4) to be arranged in the middle of main body mount pad (2) and to combine with anti-fall ratchet (3), forms an overall revolvable mechanism; Locking ratchet (5) is combined with regulating ratchet (6), connects in the installation shaft being arranged on main body mount pad (2) in the lump with torsionspring (7), makes locking ratchet (5) and adjustment ratchet (6) form one and often opens and the adjusting device that can close; Locking ratchet (5) is linked together by extension spring (8) and main body mount pad (2), and making it lock ratchet (5) can reset at any time; Wherein lock ratchet (5), regulate ratchet (6), torsionspring (7) and extension spring (8) to be arranged on main body mount pad (2) two ends for symmetrical; Cover plate (9) is arranged on the outside at main body mount pad (2) two ends, left and right respectively, and locks with bolt (10);
Anti-fall runner (4) and vertical guide (12) are connected, when anti-fall ratchet (3) is in locking state with locking ratchet (5) under interlocking pattern, make to engage between anti-fall lever (12b) uniform between anti-fall runner (4) with vertical guide (12) two rail body, the decline of restriction vertical guide (12); When being in released state under anti-fall ratchet (3) and locking ratchet (5) depart from interlocking pattern, vertical guide (12) is drive anti-fall runner (4) idle running in rising or decline.
2. ratchet-type anti-drop device according to claim 1, it is characterized in that: described anti-fall runner (4) and vertical guide (12) are connected structure, it is the anti-fall lever (12b) of horizontally set between two guiding channel-section steel (12a) in vertical guide (12), several for be arrangeding in parallel of anti-fall lever (12b), be arranged above and below along guiding channel-section steel (12a), the tooth of anti-fall runner (4) periphery engages with anti-fall lever (12b).
3. ratchet-type anti-drop device according to claim 1, it is characterized in that: described locking ratchet (5) and regulating to arrange torsionspring (7) and forms one and often open the adjusting device that also can close between ratchet (6), when vertical guide (12) declines, anti-fall lever (12b) drives anti-fall runner (4) to rotate, anti-fall runner (4) is integrally formed with anti-fall ratchet (3), anti-fall ratchet (3) contacts with adjustment ratchet (6) and pushes, when the tooth of anti-fall ratchet (3) crosses adjustment ratchet (6), locking ratchet (5) is under the pulling force effect of extension spring (8), locking ratchet (5) is resetted with regulating ratchet (6), complete and once deflect, constantly repeat above process, anti-fall lever (12b) constantly will pass through ratchet-type anti-drop device.
4. ratchet-type anti-drop device according to claim 1, it is characterized in that: described anti-fall ratchet (3) engages with locking ratchet (5), form anti-drop device braking, the anti-fall principle of this anti-drop device is braked in a kind of anti-fall mode of stall, when vertical guide (12) declines fast or falls, anti-fall lever (12b) and anti-fall runner (4) collides that the larger and rotation of anti-fall runner (4) of the energy produced is comparatively large does not also return to the state before primary collision, now lock ratchet (5) to engage with anti-fall ratchet (3), make locking ratchet (5) cannot return, tooth and the anti-fall lever (12b) of anti-fall runner (4) block, it is made to keep static, namely vertical guide (12) is stuck, play the effect of anti-falling protection.
5. ratchet-type anti-drop device according to claim 1, is characterized in that: described guide wheel assembly (13) has draw-in groove (13a), draw-in groove inwall has symmetrical directive wheel (13b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285450.XA CN104234403A (en) | 2014-06-24 | 2014-06-24 | Ratchet type anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285450.XA CN104234403A (en) | 2014-06-24 | 2014-06-24 | Ratchet type anti-falling device |
Publications (1)
| Publication Number | Publication Date |
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| CN104234403A true CN104234403A (en) | 2014-12-24 |
Family
ID=52223227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410285450.XA Pending CN104234403A (en) | 2014-06-24 | 2014-06-24 | Ratchet type anti-falling device |
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| CN (1) | CN104234403A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537898A (en) * | 2016-01-29 | 2016-05-04 | 洛阳中冶重工机械有限公司 | Tool for assembling reinforcing steel mesh cages |
| CN108979118A (en) * | 2017-06-05 | 2018-12-11 | 深圳市特辰科技股份有限公司 | A kind of rotary-type positioning anti-fall device |
| CN110005185A (en) * | 2019-05-05 | 2019-07-12 | 上海建工一建集团有限公司 | A kind of single load bearing converting system and construction method |
| CN111946045A (en) * | 2020-07-08 | 2020-11-17 | 深圳市特辰科技股份有限公司 | Ratchet wheel positioning anti-falling climbing frame |
| WO2020248502A1 (en) * | 2019-06-11 | 2020-12-17 | 苏州哈工众志自动化科技有限公司 | Carrying transmission device for standing-type workpiece lowering mechanical arm |
| CN112376883A (en) * | 2020-11-17 | 2021-02-19 | 浙江铠甲建筑科技有限公司 | Automatic climbing device for scaffold |
| CN112727054A (en) * | 2021-02-06 | 2021-04-30 | 黄维利 | Speed anti-falling device of integral lifting type climbing frame |
| CN113175204A (en) * | 2021-05-20 | 2021-07-27 | 昆明玺唤科技有限公司 | Method for automatically preventing attached lifting scaffold from falling |
| KR102553671B1 (en) * | 2023-03-24 | 2023-07-10 | 이윤환 | Vertical fall prevention device for ladders |
| KR102585960B1 (en) * | 2023-06-29 | 2023-10-06 | 양현수 | High place work vehicle equipped with worker fall prevention function |
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| EP1234089B1 (en) * | 1999-11-29 | 2010-01-13 | SPERIAN FALL PROTECTION Deutschland GmbH & Co. KG | Catch device for a climbing protection system |
| CN2685445Y (en) * | 2004-03-15 | 2005-03-16 | 中国建筑第八工程局技术中心 | Integrated up-down scaffold |
| CN101519910A (en) * | 2009-03-20 | 2009-09-02 | 深圳市特辰科技有限公司 | Rotating wheel falling prevention device of attachment type raise scaffold and working method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537898A (en) * | 2016-01-29 | 2016-05-04 | 洛阳中冶重工机械有限公司 | Tool for assembling reinforcing steel mesh cages |
| CN108979118A (en) * | 2017-06-05 | 2018-12-11 | 深圳市特辰科技股份有限公司 | A kind of rotary-type positioning anti-fall device |
| CN108979118B (en) * | 2017-06-05 | 2020-12-04 | 深圳市特辰科技股份有限公司 | Rotary wheel type positioning anti-falling device |
| CN110005185A (en) * | 2019-05-05 | 2019-07-12 | 上海建工一建集团有限公司 | A kind of single load bearing converting system and construction method |
| WO2020248502A1 (en) * | 2019-06-11 | 2020-12-17 | 苏州哈工众志自动化科技有限公司 | Carrying transmission device for standing-type workpiece lowering mechanical arm |
| CN111946045A (en) * | 2020-07-08 | 2020-11-17 | 深圳市特辰科技股份有限公司 | Ratchet wheel positioning anti-falling climbing frame |
| CN112376883A (en) * | 2020-11-17 | 2021-02-19 | 浙江铠甲建筑科技有限公司 | Automatic climbing device for scaffold |
| CN112727054A (en) * | 2021-02-06 | 2021-04-30 | 黄维利 | Speed anti-falling device of integral lifting type climbing frame |
| CN113175204A (en) * | 2021-05-20 | 2021-07-27 | 昆明玺唤科技有限公司 | Method for automatically preventing attached lifting scaffold from falling |
| CN113175204B (en) * | 2021-05-20 | 2023-02-28 | 昆明玺唤科技有限公司 | Method for automatically preventing attached lifting scaffold from falling |
| KR102553671B1 (en) * | 2023-03-24 | 2023-07-10 | 이윤환 | Vertical fall prevention device for ladders |
| KR102585960B1 (en) * | 2023-06-29 | 2023-10-06 | 양현수 | High place work vehicle equipped with worker fall prevention function |
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Application publication date: 20141224 |