CN109057311A - Attached lifting scaffold dual fail-safe catching device - Google Patents
Attached lifting scaffold dual fail-safe catching device Download PDFInfo
- Publication number
- CN109057311A CN109057311A CN201811058318.XA CN201811058318A CN109057311A CN 109057311 A CN109057311 A CN 109057311A CN 201811058318 A CN201811058318 A CN 201811058318A CN 109057311 A CN109057311 A CN 109057311A
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- Prior art keywords
- guide rail
- lifting scaffold
- block
- attached lifting
- catching device
- 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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Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000007423 decrease Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The present invention relates to traveling centering technical fields, specially attached lifting scaffold dual fail-safe catching device, including support and mandril, the lower end of the mandril and support are hinged, brake component is also hinged on the support, the support is equipped with the elastic component for separating brake component with the guide rail of attached lifting scaffold, and the triggering block that brake component and guide rail contact are driven when guide rail moves down is hinged on the brake component.Solve the problems, such as that the safety coefficient of anti-fall device in the prior art is not high.
Description
Technical field
The present invention relates to traveling centerings, specially attached lifting scaffold dual fail-safe catching device.
Background technique
Attached lifting scaffold, to reduce the use of steel, can be dropped due to it along with the vertically movable of building
Low material cost, is then widely applied in construction.Attached lifting scaffold is by being fixed on the outside of building
Support is supported, and since attached lifting scaffold causes lower part hanging after building rising, there is the danger fallen.
Then, for security consideration, attached lifting scaffold must mating installation anti-fall device.Existing anti-fall device include bracket and
Mandril, mandril is hinged with bracket, bracket be equipped with reset spring, mandril under the action of reset spring with attached lifting scaffold
The state that is kept in contact of guide rail, be installed with several teeth portion being evenly spaced on towards the side of anti-fall device on guide rail, when
When guide rail drops, mandril offsets with the teeth portion on guide rail, to prevent guide rail from continuing to fall, and then has reached and prevents from adhering to
The problem of elevating scaffold drops.Anti-fall device also acts as the supporting mechanism of frame body under the normal operating condition of scaffold,
Then mandril can keep holding state with guide rail, so that catching device be made to be easy due to lasting gravity by attached scaffold
Fatigue rupture occurs, leads to anti-fall action deprivation, attached scaffold is made to drop suddenly and engineering accident occurs.
Summary of the invention
The invention is intended to provide a kind of attached lifting scaffold dual fail-safe catching device, to solve anti-fall device in the prior art
Secondary anti-fall problem is not can be carried out.
Base case of the invention are as follows: attached lifting scaffold dual fail-safe catching device, including support and mandril, the mandril
Lower end and support it is hinged, be also hinged with brake component on the support, the support is equipped with for rising brake component and attachment
The elastic component of the guide rail separation of scaffold is dropped, is hinged on the brake component and drives brake component and guide rail contact when guide rail moves down
Triggering block.
Compared with the prior art, the advantages of the present invention are as follows: by the way that brake component is arranged, for being sent out in attached lifting scaffold
Life is supported guide rail when falling, to prevent attached lifting scaffold from falling accident occurs in mandril failure.By setting
Elastic component is set, so that brake component is in isolated state with guide rail in attached lifting scaffold normal use, to make brake component
Active force will not be generated, between guide rail so as to avoid fatigue damage occurs for brake component and leads to asking for structural stability reduction
Topic.By setting triggering block, the guide rail of attached lifting scaffold is made to drive brake component swing simultaneously and guide rail contact by triggering block,
The function of realizing the lower in-migration triggering brake component braking using guide rail, improves the timeliness of brake component braking.By simultaneously
Mandril and brake component are set, are supported attached lifting scaffold by mandril and brake component, is lost in the anti-fall effect of mandril
In the case where effect, brake component progress is anti-fall, and realization is secondary anti-fall, to form double insurance effect, improves the peace of catching device
Overall coefficient.
Further, the triggering block and the hinged one end of brake component are connecting pin, the one of the triggering block and guide rail contact
End is triggering end, the limiting section of the fixed restricted triggering block rotational angle in the lower part of the connecting pin.By the way that limiting section is arranged, make
Triggering block cannot be to lower swing, thus when guide rail pushes triggering block to lower swing when limiting section and brake component contact, triggering
Block drives brake component to swing, and realizes the linkage effect between triggering block and brake component.
Further, the end face of the triggering end is arc surface.After the end face of triggering end is arranged to arc surface, make triggering end
It is round and smooth compared with the contact surface of guide rail, so as to reduce the abrasion between triggering block and guide rail.Meanwhile by the end face of triggering end
After being arranged to arc surface, the limit contact position of triggering end and guide rail only one, avoid because the end face of triggering end is arranged to
The limit contact position at multiple intervals can be generated when plane and cause triggering block with guide rail there is a phenomenon where the generations of multiple impact.
Further, the brake component includes brake block, connecting tube and connection otic placode, and the brake block and connecting tube, which are fixed, to be connected
It connects, the connection otic placode is fixedly connected with connecting tube, and the connecting tube is rotatablely connected by the pin shaft and support of coaxial arrangement, institute
It is hinged with connection otic placode to state triggering block.Brake component is split into brake block, connecting tube and connection otic placode, then by being fixedly connected
Mode be attached, it is convenient by being assembled again after being made processing respectively to brake block, connecting tube and connection otic placode
Connection, reduces the manufacture difficulty of brake component, advantageously reduces manufacturing cost.If using directly being carried out in the end of brake block
The mode of drilling replaces connecting tube, and since the width of brake block is larger, the hole then bored will necessarily be not only big but also long, to drilling
The requirement of equipment will necessarily improve, so that processing cost be made also to increase accordingly, be unfavorable for improving the cost performance of catching device.
Further, the brake block is in cuboid, and the brake block and connecting tube face are arranged.Brake block is arranged to
Cuboid facilitates carry out processing and fabricating；Brake block and connecting tube face are arranged, the effect between brake block and connecting tube is made
Power is transmitted along the axis for passing through connecting tube, is avoided and is generated moment of flexure in the junction of brake block and connecting tube and cause junction disconnected
The phenomenon that splitting is conducive to the structural stability for improving brake component.
Further, the brake block and connecting tube are welded, and the connection otic placode and connecting tube are welded.Welding is in two works
It is directly attached between part, no setting is required interconnecting piece etc., avoids and connect because being arranged in brake block, connecting tube and connection otic placode
The problem of socket part causes difficulty of processing to increase.
Further, the brake block is arranged far from one end chamfer of connecting tube.By chamfer, increase brake block with
Contact area between guide rail reduces the pressure between brake block and guide rail, reduces the shearing that brake block forms guide rail
Destruction.
Further, the elastic component is torsional spring.By the way that elastic component is arranged to torsional spring, it is only necessary to which torsional spring to be set in and connect
The installation that can be realized to torsional spring is taken on coaxial pin shaft, to reduce the installation difficulty of elastic component, facilitates and carries out bullet
The installation of property part.
Detailed description of the invention
Fig. 1 is the perspective view of attached lifting scaffold dual fail-safe catching device embodiment 1 of the present invention；
Fig. 2 is the usage state diagram of attached lifting scaffold dual fail-safe catching device embodiment 1 of the present invention；
Fig. 3 is use state when brake component is anti-fall in attached lifting scaffold dual fail-safe catching device embodiment 1 of the present invention
Figure；
Fig. 4 is the usage state diagram of attached lifting scaffold dual fail-safe catching device embodiment 2 of the present invention；
Fig. 5 is the left view of handle and mandril in Fig. 4；
Fig. 6 is the enlarged drawing in Fig. 4 at A；
Fig. 7 is the enlarged drawing in Fig. 4 at B.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: support 1, mandril 2, tension spring 3, brake block 41, connecting tube 42, engaging lug
Plate 43, triggering block 5, torsional spring 6, pin shaft 7, building 8, guide rail 9, anti-fall tooth 10, handle 11, limited block 12, the first expansion pump 13,
Second expansion pump 14, sliding block 15.
Embodiment 1: substantially as shown in Fig. 1: attached lifting scaffold dual fail-safe catching device, including be bolted on
Support 1 on building 8, the top of support 1 are hinged with mandril 2, and mandril 2 is equipped with two and is arranged in parallel, and mandril 2 is separate to be built
The side for building object 8 is equipped with tension spring 3, and the upper end of tension spring 3 and the following side of mandril 2 are hinged, and the lower end of tension spring 3 and support 1 pass through spiral shell
It tethers and connects；Mandril 2 is welded with handle 11 close to the side of building 8, may be implemented to put mandril 2 by rotational handle 11
It is dynamic.Mandril 2 is telescopic rod, and mandril includes cannula portion and moving portion, and cannula portion is connect with moving portion coaxially slide, spiral shell in moving portion
Line is connected with double nuts structure, and the end of double nuts structure and cannula portion offsets.The adjusting of mandril is realized by double nuts structure
The length of mandril.
The lower part of support 1 is equipped with brake component, and brake component includes connecting tube 42, and connecting tube 42 is round tube, same in connecting tube 42
Axis is provided with pin shaft 7, pin shaft 7 and 42 clearance fit of connecting tube, and pin shaft 7 is rotatably assorted with support 1；The upside of connecting tube 42 is equipped with
Brake block 41, brake block 41 are in cuboid, and brake block 41 and connecting tube 42 are welded, and the axis of connecting tube 42 is located at brake block 41
A plane of symmetry in, the upper end chamfer of brake block 41 is arranged, when brake block 41 and the guide rail 9 of attached lifting scaffold offset
When, the fillet surface of 41 upper end of brake block is contacted with guide rail 9, to increase the contact area of brake block 41 Yu guide rail 9；Connecting tube 42
Side far from building 8 is welded with connection otic placode 43, and connection otic placode 43 is equipped with two pieces and is arranged in parallel, two pieces of connection otic placodes 43
On be equipped with connecting hole, the coaxial arrangement of connecting hole in two pieces of connection otic placodes 43.Support 1 is equipped with elastic component, and elastic component is to turn round
Spring 6, torsional spring 6 are set on pin shaft 7, and a stabilizer blade of torsional spring 6 offsets with brake block 41 far from the side of building 8, another
Stabilizer blade offsets with support 1.
Triggering block 5 is equipped between two pieces of connection otic placodes 43, one end that triggering block 5 is connect with connection otic placode 43 is connecting pin,
Connecting pin is equipped with the through-hole coaxial with connecting hole, is coaxially arranged with connecting pin in through-hole, and connecting pin runs through two connecting holes simultaneously,
Keep triggering block 5 and connection otic placode 43 hinged；The top rounded corner of connecting pin is arranged, and the center of circle of rounded corner is located at the axis of through-hole
On；The limiting section that the lower part of connecting pin is rectangular in shape, when limiting section offsets with connecting tube 42, triggering block 5 is in horizontality；
By rounded corner and setting limiting section, when being rotated up triggering block 5 far from one end of connection otic placode 43, triggering block 5 with connect
Otic placode 43 relatively rotates, so that connection otic placode 43 be made to remain stationary state, i.e. trigger member remains static；Work as triggering block
5 by horizontality when being rotated down, since limiting section and connecting tube 42 offset, so that triggering block 5 be made to drive 43 He of connection otic placode
Connecting tube 42 rotates together, and keeps the upper end of brake block 41 mobile toward the direction far from building 8.Triggering block 5 is far from connection otic placode
43 one end is triggering end, and the end face of triggering end is arc surface.
Specific implementation process is as follows: as shown in Figures 2 and 3, attached lifting scaffold is equipped with guide rail 9, direction on guide rail 9
The side of catching device is installed with the lateral anti-fall tooth 10 of several uniform intervals settings, the vertical projection of the triggering end of triggering block 5
Intersect with the vertical projection of anti-fall tooth 10.When attached lifting scaffold is static, mandril 2 is under the action of tension spring 3 and on guide rail 9
Anti-fall tooth 10 offsets, to prevent guide rail 9 from moving down.
When promoting attached lifting scaffold, guide rail 9 is moved up, and the anti-fall tooth 10 on guide rail 9 pushes mandril 2 is separate to lead
Rail 9, meanwhile, anti-fall tooth 10 pushes the triggering end of triggering block 5 to move up, and makes triggering block 5 with the axis rotating shaft of connecting hole
And rotate, then guide rail 9 can be moved up smoothly.The case where falling suddenly in case of attached lifting scaffold, mandril 2
The moment has the trend contacted with guide rail 9 under the action of tension spring 3, so, mandril 2 can offset with the anti-fall tooth 10 on guide rail 9,
To prevent guide rail 9 from moving down, and then prevent attached lifting scaffold from dropping；If the case where the anti-fall effect of mandril 2 is failed
Under, the triggering end that can also make anti-fall tooth 10 push triggering block 5 that moves down of guide rail 9 rotates down, and triggering block 5 is in the work of limiting section
It is rotated with lower drive connection otic placode 43 and connecting tube 42 around the axis of connecting tube 42, makes the upper end of brake block 41 toward close to guide rail
9 direction is swung, and is finally offseted with anti-fall tooth 10, to prevent guide rail 9 from moving down, and then is prevented under attached lifting scaffold
Pendant.By the way that mandril 2 and brake component is arranged simultaneously, play the role of the anti-fall of dual fail-safe.
When declining attached lifting scaffold, by connecting upper drawstring on handle 11, pull drawstring to make handle 11
Drive mandril 2 far from guide rail 9, attached lifting scaffold gradually moves down under the action of lifting means, and guide rail 9 also gradually moves down,
Anti-fall tooth 10 on guide rail 9 touch trigger block 5 and pushes the triggering end of triggering block 5 to move down when moving down, and triggering block 5 is limiting
The upper end of brake block 41 is driven to swing toward the direction close to guide rail 9 under the action of the portion of position.Due to the decline of attached lifting scaffold
Speed is slow, after triggering block 5 is separated with anti-fall tooth 10, Rapid reset under the action of torsional spring 6 of brake block 41, to avoid
Brake block 41 moves down generation braking affect to guide rail 9, moves down guide rail 9 smoothly.If attachment occurs when decline to rise
Drop scaffold falls situation, and the decrease speed of guide rail 9 is very fast when due to falling, and brake block 41 is being swung later not as good as reset will
It offsets with anti-fall tooth 10, to realize anti-fall effect.And then by the catching device of setting this programme, adhering lifting foot hand is realized
Bidirectional anti-falling during the raising and lowering of frame, improves safety.
Embodiment 2: as shown in Figure 4, Figure 5, Figure 6 and Figure 7, and only difference is that for embodiment 1: handle 11 and mandril 2
Hingedly, the axis of rotation of the hinged place of handle 11 and mandril 2 is parallel to the axis of rotation of the hinged place of mandril 2 and support 1.Handle
11 downside is equipped with limited block 12, and limited block 12 is slidably connected along the axis of rotation direction for being parallel to handle 11 with mandril 2, mandril
The first expansion pump 13 is welded on 2, the telescopic direction of the first expansion pump 13 is parallel with the glide direction of limited block 12, and first is flexible
The mobile terminal of pump 13 and limited block 12 weld.It drives limited block 12 to slide when first expansion pump 13 is shunk, keeps limited block 12 mobile
To the rotary path of handle 11, to prevent handle 11 from rotating around hinge joint；When the elongation of the first expansion pump 13, limit is driven
Position block 12 is removed from the rotary path of handle 11, so that handle 11 be allow to rotate around hinge joint.The top of brake block 41
Sliding block 15 is slidably connected, the glide direction of sliding block 15 is vertical with the rotation direction of brake block 41；Is welded on brake block 41
Two expansion pumps 14, the mobile terminal of the second expansion pump 14 and sliding block 15 weld.The pump chamber of second expansion pump 14 and the first expansion pump 13
Pump chamber be connected to by conduit, the downside of sliding block 15 is equipped with spring, and one end of spring and sliding block 15 weld, the other end of spring with
Brake block 41 welds.Sliding block 15 under the action of the spring the upper end stretch out brake block 41 upper end, when guide rail 9 drop when, sliding block
15 slide under the action of guide rail 9.
When normal use, the first expansion pump 13 is in contraction state, at this point, limited block 12 is located at the rotary path of handle 11
On, the second expansion pump 14 is in elongation state, and the upper end of sliding block 15 protrudes from the upper end of brake block 41.When in decline adhering lifting
When frame body tenesmus occurring in the case where scaffold, at this point, pulling drawstring to make 11 turns of handle by the connection stay cord on handle 11
It is dynamic, to make the upper end of mandril 2 under the induced effect of handle 11 in the state far from guide rail 9；When guide rail 9 moves down, braking
Block 41 is turned to be contacted with guide rail 9, is contacted guide rail 9 with sliding block 15 and is pushed sliding block 15 mobile, shrinks the second expansion pump 14,
To make the liquid in the second expansion pump 14 squeeze into the first expansion pump 13, extends the first expansion pump 13 and push limited block
12 remove from the rotary path of handle 11, can be rotated freely handle 11, and then mandril 2 is made to lose the limitation of handle 11
It acts on and rotates, so that the upper end of mandril 2 be made to turn at guide rail 9 and brake to guide rail 9, guide rail 9 is stopped to continue to drop.
Process to allow mandril 2 to drop in frame body quickly realizes the braking action to guide rail 9, and only brake block 41 is avoided to exist
Just there is braking action during frame body decline, enhance anti-fall effect；Meanwhile the braking of mandril 2 is not necessarily to manual operation, realizes
It automatically controls, shortens the reaction time, improve timeliness.
Claims (8)
1. attached lifting scaffold dual fail-safe catching device, including support and mandril, the lower end of the mandril and support are hinged, special
Sign is: being also hinged with brake component on the support, the support is equipped with for making brake component and attached lifting scaffold
The elastic component of guide rail separation is hinged with the triggering block that brake component and guide rail contact are driven when guide rail moves down on the brake component.
2. attached lifting scaffold dual fail-safe catching device according to claim 1, it is characterised in that: the triggering block and system
The hinged one end of moving part is connecting pin, and one end of the triggering block and guide rail contact is triggering end, and the lower part of the connecting pin is solid
Limiting section equipped with limitation triggering block rotational angle.
3. attached lifting scaffold dual fail-safe catching device according to claim 2, it is characterised in that: the end of the triggering end
Face is arc surface.
4. attached lifting scaffold dual fail-safe catching device according to claim 1,2 or 3, it is characterised in that: the braking
Part includes brake block, connecting tube and connection otic placode, and the brake block is fixedly connected with connecting tube, the connection otic placode and connecting tube
It is fixedly connected, the connecting tube is rotatablely connected by the pin shaft and support of coaxial arrangement, and the triggering block and connection otic placode are hinged.
5. attached lifting scaffold dual fail-safe catching device according to claim 4, it is characterised in that: the brake block is in length
Cube shape, the brake block and connecting tube face are arranged.
6. attached lifting scaffold dual fail-safe catching device according to claim 5, it is characterised in that: the brake block and company
Adapter tube welding, the connection otic placode and connecting tube are welded.
7. attached lifting scaffold dual fail-safe catching device according to claim 6, it is characterised in that: the brake block is separate
One end chamfer of connecting tube.
8. attached lifting scaffold dual fail-safe catching device according to claim 7, it is characterised in that: the elastic component is to turn round
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058318.XA CN109057311B (en) | 2018-09-11 | 2018-09-11 | Double-safety falling protector for attached lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058318.XA CN109057311B (en) | 2018-09-11 | 2018-09-11 | Double-safety falling protector for attached lifting scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057311A true CN109057311A (en) | 2018-12-21 |
| CN109057311B CN109057311B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811058318.XA Active CN109057311B (en) | 2018-09-11 | 2018-09-11 | Double-safety falling protector for attached lifting scaffold |
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| Country | Link |
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| CN (1) | CN109057311B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594786A (en) * | 2018-12-29 | 2019-04-09 | 杨洪 | Attached lifting scaffold catching device |
| CN109736560A (en) * | 2019-03-07 | 2019-05-10 | 湖北仁泰恒昌科技发展有限公司 | A kind of scaffold safety lock |
| 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 |
| CN113047601A (en) * | 2021-03-22 | 2021-06-29 | 江苏鑫宸宇建设有限公司 | External wall construction operation platform and construction method thereof |
| CN113250437A (en) * | 2021-06-18 | 2021-08-13 | 江苏盛浩工程科技有限公司 | Anti-falling device for attached scaffold |
| CN114687548A (en) * | 2022-04-15 | 2022-07-01 | 重庆渝能建筑安装工程有限公司 | Attached lifting scaffold |
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