CN107524286B - A kind of falling proof device of construction attachment type raise scaffold - Google Patents
A kind of falling proof device of construction attachment type raise scaffold Download PDFInfo
- Publication number
- CN107524286B CN107524286B CN201710848816.3A CN201710848816A CN107524286B CN 107524286 B CN107524286 B CN 107524286B CN 201710848816 A CN201710848816 A CN 201710848816A CN 107524286 B CN107524286 B CN 107524286B
- Authority
- CN
- China
- Prior art keywords
- cam
- shell
- gear
- brake axle
- bearing soleplate
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
Abstract
The invention discloses a kind of falling proof devices of construction attachment type raise scaffold, the sliding block being separated by a certain distance there are two being arranged on the side wall of bearing soleplate, two sliding blocks are oppositely arranged on the column of elevating scaffold and can move along column, the upper surface of bearing soleplate is vertically arranged with threaded screw rod, it is slidably arranged on column with the matching used threaded sleeve of threaded screw rod, threaded sleeve is arranged at the top position of sliding block, and threaded sleeve is driven by motor；Brake axle is installed on bearing soleplate side wall, braking latch fitting is set on brake axle and being capable of being rotated by brake axle, spragging gear is arranged by the center of circle of brake axle, the inner ring of spragging gear is provided with ratchet slot, the front end geometry for braking latch fitting is hook portion, hook portion is meshed with the ratchet slot inside spragging gear, achievees the purpose that effective brake prevention and treatment is fallen, increases the safety of operation.
Description
Technical field
The present invention relates to technical field of building construction, more particularly, to a kind of the anti-of construction attachment type raise scaffold
Drop device.
Background technique
In construction, using attachment type raise scaffold, reduce what common frame body eminence was set up to the greatest extent
Dangerous operation, while great deal of steel can be saved again, meet the hair of people-oriented scientific development and low-carbon energy-saving environmental protection, green construction
Open up direction.Attachment type raise scaffold is promoted, declines and bear frame body load by electric block chain under operating condition, works as electric block
There is a part or whole part and falls phenomenon in frame body when chain fails.In order to guarantee the safety of construction personnel, attachment type raise scaffold
There must be the safety device of overturn-preventing, fall arrest and synchronization lifting control under various operating conditions.
Summary of the invention
The purpose of the present invention is to provide a kind of falling proof devices of construction attachment type raise scaffold, increase operation
Safety.
The technical scheme of the present invention is realized as follows: a kind of fall arrest of construction attachment type raise scaffold fills
Set, including bearing soleplate, sliding block, column, threaded screw rod, threaded sleeve, brake axle, braking latch fitting, spragging gear, ratchet slot,
Driven gear, safety chains, shell, chain entrance, chain exit, cam, shaft, spring, tooth band, driving gear, engaging slot；
It is arranged on the side wall of bearing soleplate there are two the sliding block being separated by a certain distance, two sliding blocks are oppositely arranged on lifting foot
It can move on the column of hand cradle and along column, the upper surface of bearing soleplate is vertically arranged with threaded screw rod, mating with threaded screw rod
The threaded sleeve used is slidably arranged on column, and threaded sleeve is arranged at the top position of sliding block, and threaded sleeve is by motor
Driving, after scaffold moves to desired height under the electric block of lifting device acts on, motor drives threaded sleeve to be arranged
In threaded screw rod, threaded screw rod and threaded sleeve fix bearing soleplate；Brake axle is installed on bearing soleplate side wall, is braked
Latch fitting be set on brake axle and being rotated by brake axle, spragging gear using brake axle as the center of circle be arranged, braking
The inner ring of gear is provided with ratchet slot, and the front end geometry for braking latch fitting is hook portion, hook portion and the ratchet slot phase inside spragging gear
Engagement, spragging gear are controlled by braking latch fitting and are braked.
Further, it is wound with brake block on the brake axle, when scaffold falls, brake block revolves brake axle quickly
Turn, braking latch fitting rotation, braking latch fitting blocks the ratchet slot of spragging gear, stops the rotation of spragging gear；Outside spragging gear
Wall setting is with teeth, and the side of spragging gear is provided with driven gear, and spragging gear is meshed with driven gear, driven gear and peace
Full chain connection, one end of safety chains are fixed on the wall of building, and the other end of safety chains is fixed on load-bearing chassis
On.
Further, it is provided with chain entrance on the upper end of the shell, chain exit is provided on the lower end of shell, pacifies
The other end of full chain is entered the inside of shell by chain entrance, is stretched out shell from chain exit and is fixed on load-bearing chassis；
Shell is divided into two regions in left and right by safety chains, is provided with cam in the left region of shell, cam is fixed on shell by shaft
On body, cam can rotate around the axis.
Further, the periphery wall of the cam is provided with the groove of bar shaped, in the groove of the right side periphery wall of cam on
Band with teeth is set, and the other end of tooth band is wrapped on driving gear, is provided with anti-skidding rubber in the groove of the left side periphery wall of cam
Glue is provided with several anti-slop serrations on anti-slip rubber, is provided with engaging slot in the right region of shell, the shape of engaging slot and cam
The groove of left side periphery wall is adapted, and in scaffold falls, sliding tooth wheel rotation, band movable tooth band is moved, and band moving cam is to the left
It rolls tiltedly, cam rotates around the axis inclination, and cam is contacted to generate with safety chains and be rubbed, and safety chains are compressed in the card of shell
It closes in slot, safety chains stop motion.
Further, the bottom of the cam is fixedly connected with spring, and the other end of spring is fixed on the inner wall of the housing.
Further, the upper surface of the bearing soleplate is provided with air bag, and air bag is distributed in the side of bearing soleplate in a ring
Edge.
Using above-mentioned technical proposal, the invention has the benefit that on threaded screw rod and column on bearing soleplate
Threaded sleeve is fixed, and bearing soleplate is fixed, it is therefore prevented that the tenesmus of scaffold.The ratchet slot that braking latch fitting blocks spragging gear is lived
Firmly the rotation of spragging gear, driven gear stop operating, and safety chains are fixed, and carry out to a certain degree to the tenesmus of scaffold
Prevention, safety chains are extruded in the engaging slot of shell by cam, safety chains stop motion, reach effective brake prevention and treatment pendant
The purpose fallen increases the safety of operation.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the braking bearing soleplate of embodiment one；
Fig. 3 is the structural schematic diagram of the braking bearing soleplate of embodiment two.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
A kind of falling proof device of construction attachment type raise scaffold, including bearing soleplate 1, sliding block 2, column 3, spiral shell
Line screw rod 4, threaded sleeve 5, brake axle 6, braking latch fitting 7, spragging gear 8, ratchet slot 9, driven gear 10, safety chains 11,
Shell 12, chain entrance 13, chain exit 14, cam 15, shaft 16, spring 17, tooth band 18, driving gear 19, engaging slot
20。
As shown in Figure 1, being arranged on the side wall of bearing soleplate 1, there are two the sliding block 2 being separated by a certain distance, two 2 phases of sliding block
To being arranged on the column 3 of elevating scaffold and can be moved along column 3.The upper surface of bearing soleplate 1 is vertically arranged with screw thread silk
Bar 4 is slidably arranged on column 3 with the matching used threaded sleeve 5 of threaded screw rod 4, and the upper of sliding block 2 is arranged in threaded sleeve 5
Place is set in orientation, and threaded sleeve 5 is driven by motor.When scaffold lifting device electric block effect under on move to desired height
Afterwards, motor drives threaded sleeve 5 to be set in threaded screw rod 4, and threaded screw rod 4 and threaded sleeve 5 are fixed, thus bearing soleplate 1
It is fixed.
Threaded screw rod 4 and threaded sleeve 5 are all made of bearing steel, and bearing steel subjects great pressure and friction at work
Power has high and uniform hardness and wearability and high elastic limit.
Embodiment one
As shown in Fig. 2, being equipped with brake axle 6 on 1 side wall of bearing soleplate, braking latch fitting 7 is set on brake axle 6 and can
In being rotated by for brake axle 6, spragging gear 8 is center of circle setting with brake axle 6, and the inner ring of spragging gear 8 is provided with ratchet
Slot 9.The front end geometry for braking latch fitting 7 is hook portion, and hook portion is meshed with the ratchet slot 9 inside spragging gear 8.It is twined on brake axle 6
It is wound with brake block, when scaffold falls, brake block rotates brake axle quickly, and braking latch fitting 7 rotates, and braking latch fitting 7 blocks
The ratchet slot 9 of spragging gear 8 prevents its rotation to fix spragging gear 8.
The outer wall setting of spragging gear 8 is with teeth, and the side of spragging gear 8 is provided with driven gear 10, spragging gear 8 with from
Moving gear 10 engages, and driven gear 10 is connect with safety chains 11, and one end of safety chains 11 is fixed on the wall of building,
The other end of safety chains 11 is fixed on load-bearing chassis 1.
When the rotation of spragging gear 8 is stopped, the stopping for driving driven gear 10 to rotate, safety chains 11 are fixed.
Embodiment two
As shown in figure 3, being provided with chain entrance 13 on the upper end of shell 12, chain exit is provided on the lower end of shell 12
14, the other end of safety chains 11 is entered the inside of shell 12 by chain entrance 13, and it is solid to stretch out shell 12 from chain exit 14
It is scheduled on load-bearing chassis 1.Shell is divided into two regions in left and right by safety chains 11, is provided with cam in the left region of shell 12
15, cam 15 is fixed on housing 12 by shaft 16, and cam 15 can rotate around the axis.The bottom of cam 15 is fixedly connected with bullet
Spring 17, the other end of spring 17 are fixed on the inner wall of shell 12.The periphery wall of cam 15 is provided with the groove of bar shaped, cam 15
Right side periphery wall groove in upper setting band 18 with teeth, the other end of tooth band 18 is wrapped on driving gear 19.Cam 15
It is provided with anti-slip rubber in the groove of left side periphery wall, several anti-slop serrations are provided on anti-slip rubber.In the right region of shell 12
It is provided with engaging slot 20, the groove of the left side periphery wall of the shape and cam 15 of engaging slot 20 is adapted.In scaffold falls,
Gear 19 is driven to rotate, band movable tooth band 18 moves, and band moving cam 15 tilts to the left, the 16 rotation inclination around the shaft of cam 15, convex
Wheel 15 contact to generate with safety chains 11 and be rubbed, until in the engaging slot 20 that safety chains 11 are extruded in shell 12, theft-resistant link chain
Stop motion.
In order to reduce the injury rate of construction personnel, the upper surface of bearing soleplate 1 is provided with air bag, and air bag is distributed in a ring
The edge of bearing soleplate 1.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention
It is defined with range, without departing from the design concept of the invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technical requirements book.
Claims (1)
1. a kind of falling proof device of construction attachment type raise scaffold, which is characterized in that including bearing soleplate (1), slide
Block (2), column (3), threaded screw rod (4), threaded sleeve (5), brake axle (6), braking latch fitting (7), spragging gear (8), ratchet
Slot (9), driven gear (10), safety chains (11), shell (12), chain entrance (13), chain exit (14), cam (15),
Shaft (16), spring (17), tooth band (18), driving gear (19), engaging slot (20)；
It is arranged on the side wall of bearing soleplate (1) there are two the sliding block (2) being separated by a certain distance, two sliding blocks (2) are oppositely arranged on
It can move on the column (3) of elevating scaffold and along column (3), the upper surface of bearing soleplate (1) is vertically arranged with threaded screw rod
(4), it is slidably arranged on column (3) with threaded screw rod (4) matching used threaded sleeve (5), threaded sleeve (5) is arranged in cunning
At the top position of block (2), threaded sleeve (5) is driven by motor, on scaffold is under the electric block effect of lifting device
After moving to desired height, motor drives threaded sleeve (5) to be set in threaded screw rod (4), threaded screw rod (4) and threaded sleeve
(5) bearing soleplate (1) is fixed；It is equipped with brake axle (6) on bearing soleplate (1) side wall, braking latch fitting (7) is set in brake axle
(6) on and being rotated by brake axle (6), spragging gear (8) with brake axle (6) be the center of circle be arranged, spragging gear
(8) inner ring is provided with ratchet slot (9), and the front end geometry of braking latch fitting (7) is hook portion, hook portion and spragging gear (8) inside
Ratchet slot (9) is meshed, and spragging gear (8) is controlled by braking latch fitting (7) and braked；It is wound with brake block on the brake axle (6),
When scaffold falls, brake block rotates brake axle (6) quickly, and braking is blocked in braking latch fitting (7) rotation, braking latch fitting (7)
The ratchet slot (9) of gear (8) stops the rotation of spragging gear (8)；With teeth, spragging gear is arranged in the outer wall of spragging gear (8)
(8) side is provided with driven gear (10), and spragging gear (8) is meshed with driven gear (10), driven gear (10) and peace
Full chain (11) connection, one end of safety chains (11) are fixed on the wall of building, and the other end of safety chains (11) is solid
It is scheduled on bearing soleplate (1)；It is provided with chain entrance (13) on the upper end of the shell (12), is set on the lower end of shell (12)
It is equipped with chain exit (14), the other end of safety chains (11) is entered the inside of shell (12) by chain entrance (13), from chain
Item outlet (14) is stretched out shell (12) and is fixed on load-bearing chassis (1)；Shell is divided into two regions in left and right by safety chains (11),
It is provided in the left region of shell (12) cam (15), cam (15) is fixed on shell (12) by shaft (16), cam
(15) it (16) can rotate around the shaft；The periphery wall of the cam (15) is provided with the groove of bar shaped, the right side periphery of cam (15)
Upper setting band (18) with teeth, the other end of tooth band (18) are wrapped in driving gear (19) in the groove of wall, a left side for cam (15)
It is provided with anti-slip rubber in the groove of side periphery wall, is provided with several anti-slop serrations on anti-slip rubber, in the right region of shell (12)
It is provided with engaging slot (20), the shape of engaging slot (20) is adapted with the groove of the left side periphery wall of cam (15), works as scaffold
In falling, driving gear (19) rotation, band movable tooth band (18) is moved, and band moving cam (15) tilts to the left, and cam (15) rotates
Axis (16) rotation inclination, cam (15) contact generation friction with safety chains (11), and safety chains (11) are compressed in shell
(12) in engaging slot (20), safety chains (11) stop motion；The bottom of the cam (15) is fixedly connected with spring (17),
The other end of spring (17) is fixed on the inner wall of shell (12)；The upper surface of the bearing soleplate (1) is provided with air bag, air bag
It is distributed in the edge of bearing soleplate (1) in a ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848816.3A CN107524286B (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
| CN201910549075.8A CN110259099A (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848816.3A CN107524286B (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549075.8A Division CN110259099A (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107524286A CN107524286A (en) | 2017-12-29 |
| CN107524286B true CN107524286B (en) | 2019-11-22 |
Family
ID=60735988
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549075.8A Withdrawn CN110259099A (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
| CN201710848816.3A Active CN107524286B (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549075.8A Withdrawn CN110259099A (en) | 2017-09-20 | 2017-09-20 | A kind of falling proof device of construction attachment type raise scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110259099A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394784B (en) * | 2018-04-11 | 2023-07-25 | 波士顿电梯（湖州）有限公司 | Anti-falling wheel type safety device for passenger elevator |
| CN108382950B (en) * | 2018-04-11 | 2023-07-04 | 波士顿电梯（湖州）有限公司 | Anti-falling safety device for passenger elevator |
| CN110778087B (en) * | 2019-11-15 | 2021-05-28 | 浙江工业职业技术学院 | Lifting scaffold with anti-falling function |
| CN110778088B (en) * | 2019-11-15 | 2021-05-28 | 浙江工业职业技术学院 | Lifting scaffold |
| CN112709419B (en) * | 2020-12-29 | 2021-11-02 | 广州达蒙安防科技有限公司 | Anti-falling device of attached lifting scaffold guide rail |
| CN113914602B (en) * | 2021-11-16 | 2023-01-06 | 中交一公局集团有限公司 | Anti-falling device for lifting type climbing frame |
| CN114086789B (en) * | 2021-11-29 | 2023-02-03 | 鹏盛建设集团有限公司 | Anti-falling device of building element for building construction |
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| CA2638490A1 (en) * | 2008-07-31 | 2010-01-31 | 9020-4983 Quebec Inc. | Scaffolding safety device |
| CN203034780U (en) * | 2012-12-12 | 2013-07-03 | 罗贵波 | Attaching-type scaffold multi-function anti-falling device |
| CN203808488U (en) * | 2014-05-11 | 2014-09-03 | 西安科技大学 | Fall protection device of rising and falling scaffold |
| CN203961255U (en) * | 2014-07-22 | 2014-11-26 | 江苏揽月机械有限公司 | Ratchet-type fall arrest wall-attaching equipment |
| CN204754170U (en) * | 2015-07-03 | 2015-11-11 | 四川建筑职业技术学院 | Ratchet pawl formula anti -falling anti -roll device of lift scaffold |
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| US2758887A (en) * | 1952-06-04 | 1956-08-14 | Joan Herod Van Voorhees | Safety lifeline lock unit for building supported scaffolds |
| SU827730A1 (en) * | 1979-06-28 | 1981-05-07 | Специальное Конструкторское Бюро"Скб-Мосстрой" Ордена Ленина Главногоуправления По Жилищному И Гражданскомустроительству B Г.Mockbe | Retaining device for hoisting mechanisms |
| CN202055503U (en) * | 2010-12-20 | 2011-11-30 | 江苏南通三建集团第十六建设发展有限公司 | Anti-falling device for adhesive elevating scaffold applied in building construction |
| US8931994B2 (en) * | 2011-08-25 | 2015-01-13 | Conor P. Creaney | Lift accessory |
| CN102605942B (en) * | 2012-04-12 | 2014-11-05 | 四川省思培科技有限公司 | Falling protection device |
| CN203769285U (en) * | 2014-04-09 | 2014-08-13 | 天元建设集团有限公司 | Anti-dropping device for attached-type lifting scaffold |
| CN206337803U (en) * | 2016-10-25 | 2017-07-18 | 厦门安科科技有限公司 | A kind of external trigger-type anti-falling device |
-
2017
- 2017-09-20 CN CN201910549075.8A patent/CN110259099A/en not_active Withdrawn
- 2017-09-20 CN CN201710848816.3A patent/CN107524286B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2638490A1 (en) * | 2008-07-31 | 2010-01-31 | 9020-4983 Quebec Inc. | Scaffolding safety device |
| CN203034780U (en) * | 2012-12-12 | 2013-07-03 | 罗贵波 | Attaching-type scaffold multi-function anti-falling device |
| CN203808488U (en) * | 2014-05-11 | 2014-09-03 | 西安科技大学 | Fall protection device of rising and falling scaffold |
| CN203961255U (en) * | 2014-07-22 | 2014-11-26 | 江苏揽月机械有限公司 | Ratchet-type fall arrest wall-attaching equipment |
| CN204754170U (en) * | 2015-07-03 | 2015-11-11 | 四川建筑职业技术学院 | Ratchet pawl formula anti -falling anti -roll device of lift scaffold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110259099A (en) | 2019-09-20 |
| CN107524286A (en) | 2017-12-29 |
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