CN110439308A - A kind of multi-functional adjustable skyscraper preventing dropped material safety device of tool-type - Google Patents
A kind of multi-functional adjustable skyscraper preventing dropped material safety device of tool-type Download PDFInfo
- Publication number
- CN110439308A CN110439308A CN201910738583.0A CN201910738583A CN110439308A CN 110439308 A CN110439308 A CN 110439308A CN 201910738583 A CN201910738583 A CN 201910738583A CN 110439308 A CN110439308 A CN 110439308A
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- main joist
- otic placode
- regulating part
- net
- steel
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- 239000000463 material Substances 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 36
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type of the present invention, including outer overhanging net, wirerope, sheath assembly and two kinds of connectors, there are two types of Installation Modes, outer overhanging net can be installed on floor or girder steel, pass through tower crane sub-module integral hoisting, disassembly, it is flexible and changeable condition can be completed according to site operation in use process, and cantilever span is adjustable, adjustable fixture is connected as with steel beam flange plate, overhanging net support is articulated connection, convenient for the rotation of outer overhanging net any angle, the present apparatus is repeatable to be used in turn, safe and convenient, it is practical.
Description
Technical field
The invention belongs to high-building construction technical field of safety protection, and in particular to a kind of tool-type is multi-functional adjustable
Skyscraper preventing dropped material safety device.
Background technique
With the development of the society, high-rise, super high-rise building is rised sheer from level ground like the mushrooms after rain, high-rise, super high-rise building is applied
During work, with the increase of building height, falling from high altitude and high-altitude junk danger increase therewith, need to be wanted according to specification thus
Seek setting horizontal protective net.Conventional flat protective net mostly uses overhanging scaffold tubes to set up, and takes and tears process complexity open, and mostly high-altitude is made
Industry, security risk is big, inefficiency, needs to improve.
Summary of the invention
To solve the above problems, the invention discloses a kind of multi-functional adjustable skyscraper preventing dropped material safety of tool-type
Protective device, by the integral hoisting of tower crane sub-module, disassembly, safe and convenient is repeatable to be used in turn.
In order to achieve the above objectives, technical scheme is as follows:
A kind of multi-functional adjustable skyscraper preventing dropped material safety device of tool-type, including outer overhanging net, wirerope, set
Tube assembly, connector,
The outer overhanging net includes the square grid grating texture of longitudinal main joist, lateral main joist intersection composition, described longitudinal main
Keel are rectangular steel pipe with lateral main joist, and the longitudinal direction main joist, lateral main joist intersection lateral intersection are equipped with and hang
Ear and oblique pull lifting lug weld L-type baffle in most inner side and outermost transverse direction main joist, in longitudinal main joist, lateral main joist
It is laid with punched steel plate net or steel mesh above, is fixed with self-tapping screw, the wirerope upper end passes through shackle and floor girder steel
Otic placode four connects, and the girder steel connection otic placode four is welded on steel beam web plate, and wirerope lower end is connect with the oblique pull lifting lug, steel
Setting rope card in cord；
Longitudinal main joist extends to form mounting portion backward, and plane bores 4-10 hole on mounting portion, and described sleeve pipe component includes set
Pipe, connection otic placode one, described sleeve pipe is also rectangular steel pipe, and two holes are arranged in longitudinal main joist tail end, casing top surface in set pipe sleeve,
Pitch-row is matched with the pitch of holes on longitudinal main joist tail end mounting portion, and nut is arranged in casing top surface position of opening；Sleeve bottom weldering
Ear connecting plate one in succession, the connection otic placode one connect connector, and the connector is fixed on girder steel or floor.
As an improvement of the present invention, secondary joist is equipped between longitudinal main joist.
As an improvement of the present invention, longitudinal main joist, lateral main joist use 80x30x4 rectangular steel pipe, secondary
Keel use 50x30x3 rectangular steel pipe, and sheath assembly specification is 90x40x4mm.
As an improvement of the present invention, the outer overhanging net outermost end height is higher than most inner side, and pendant object is made inwardly to roll.
As an improvement of the present invention, the quantity of the wirerope is 3, and pulling force is big, highly-safe.
As an improvement of the present invention, plane bore diameter 14mm, 50 ~ 100mm of spacing on the mounting portion.
As an improvement of the present invention, the connector includes left side width regulating part, right side width regulating part, connection
Otic placode two, one thickness regulating part two of thickness regulating part, the connection otic placode two are arranged above left side width regulating part, engaging lug
Plate two is bolted with connection otic placode one, and the left side width regulating part, right side width regulating part are symmetrically arranged L-type
Multiple connecting holes are equipped on component, transverse slat and riser, the left side width regulating part, the transverse slat of right side width regulating part are logical
It crosses and is bolted, the one thickness regulating part two of thickness regulating part is also symmetrically arranged L-type component, and the left side width is adjusted
Part riser is bolted with thickness regulating part one, and the riser and thickness regulating part two of right side width regulating part are connected by bolt
It connects, inside hook plate is equipped with below the one thickness regulating part two of thickness regulating part, the hook plate is caught on the inside of girder steel top flange.
As an improvement of the present invention, movable cover net is equipped with above the mounting plate.
As an improvement of the present invention, the connector includes built-in fitting, U-shaped dowel, connection otic placode three, described pre-buried
Part is arranged in floor, and U-shaped dowel is connected to the back side of built-in fitting, and surface and the dew of built-in fitting is arranged in the connection otic placode three
Above floor, the connection otic placode three is bolted with connection otic placode one.
The beneficial effects of the present invention are:
The multi-functional adjustable safety protective device of tool-type of the present invention, provides a kind of tool-type horizontal safety protective net,
It is repeatable to be used in turn, by the integral hoisting of tower crane sub-module, disassembly, condition spirit can be completed in use process according to site operation
Work is changeable, and there are two types of Installation Modes, can install on floor or girder steel, and cantilever span is adjustable, with steel beam flange plate
It is connected as adjustable fixture, overhanging net support is articulated connection, convenient for overhanging net any angle rotation, safe and convenient, practicability
By force.
Detailed description of the invention
Fig. 1 is outer overhanging net of the present invention and girder steel connected mode schematic diagram；
Fig. 2 is outer overhanging net of the present invention and floor connected mode schematic diagram；
Fig. 3 is outer overhanging net keel schematic diagram of the present invention；
Fig. 4 is that steel mesh of the present invention is laid with figure；
Fig. 5 connect cross-section diagram with girder steel for outer overhanging net of the present invention；
Fig. 6 is that outer overhanging net of the present invention connect hinged node diagram with girder steel；
Fig. 7 connect cross-section diagram with concrete building plate for outer overhanging net of the present invention；
Fig. 8 is that outer overhanging net of the present invention connect hinged node diagram with concrete building plate；
Fig. 9 is the connector C2 full-page proof of the present invention connecting with concrete building plate；
Figure 10 is that oblique pull wirerope of the present invention pulls up node structure figure；
Figure 11 is the connector C3 full-page proof of the present invention connecting with girder steel；
Figure 12 is casing connection figure of the present invention.
Reference signs list:
A-overhangs net, B-steel cord structure, C-connection structure, D-girder steel, E-floor outside；A1-longitudinal direction main joist, A2-
Lateral main joist, A3-secondary joist A4-L-type baffle, A6-lifting lifting lug, A7-punched steel plate net or steel mesh, A8-
Movable cover net, B1-oblique pull lifting lug, B2-wirerope, B3-connection otic placode four, C1-sheath assembly, C11-casing, C12-
Connection otic placode one, C13-nut, C2-connector (are connect) with floor, C21-connection otic placode three, C22-built-in fitting, C23-
U-shaped dowel, C3-connector (are connect) with girder steel, C31-left side width regulating part, C32-right side width regulating part, C33-
Hook plate, C34-connection otic placode two, C36-thickness regulating part.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
As shown, the multi-functional adjustable skyscraper preventing dropped material security protection dress of a kind of tool-type of the present invention
It sets, fabrication and installation mode are as follows:
(1) overhanging net A is constructed outside:
Direction longitudinal direction main joist A1, transverse direction main joist A2 are chosen outside using 80x30x4 rectangular steel pipe, and secondary joist A3 uses 50x30x3
Rectangular steel pipe；Secondary joist A3 is arranged between longitudinal main joist A1；
Welding lifting lifting lug A6 and oblique pull lifting lug B1 on the main joist A1 of direction longitudinal direction is chosen outside；
L-type baffle A4 is welded on inside and outermost transverse direction main joist, specification is 3mm thick steel plate；
Top of keel is laid with punched steel plate net or steel mesh 7, is fixed using self-tapping screw；
(2) oblique pull wirerope
The upper end wirerope B2 was connect by shackle with last four B3 of floor girder steel otic placode, and four B3 of girder steel otic placode is welded in girder steel D abdomen
On plate, the lower end wirerope B2 is connect with oblique pull lifting lug B1, and oblique pull lifting lug B1 is welded in outer overhanging and nets on longitudinal main joist A1, steel wire
Rope is by specification setting rope card；
(3) connecting structure
Multiple holes, peripheral hardware cannula C 11 are bored above the quarter bend of the longitudinal main joist A1 tail end mounting portion of overhanging net outside, specification is
Two holes are arranged in 90x40x4,11 top surface of cannula C, and pitch-row is matched with the pitch of holes on longitudinal main joist A1, and 11 top surface of cannula C is opened
Weld M12 nut in hole site；11 bottom of cannula C is welded to connect one C12 of otic placode；
Connection otic placode two when being connect with floor girder steel D, on one C12 of the bottom sheath assembly C1 connection otic placode and connector C3
C34 is bolted；Connector C3 is equipped with flange plate width adjusting part C31, C32 and edge of a wing plate thickness regulating part C36,
Can be adjusted according to floor girder steel D top flange width, thickness adjusting, hook plate C33 and catch on the inside of girder steel top flange, in addition by
When outer overhanging net A is connect with floor girder steel D, there is certain gap between outer overhanging net and girder steel, sealed using movable cover net A8
It closes；
When outer overhanging net A is connect with floor concrete floor E, the preparatory indwelling built-in fitting C22 and U-shaped in concrete floor E
Dowel C23, built-in fitting top surface are welded to connect on three C21 of otic placode, one C12 of the bottom sheath assembly C1 connection otic placode and connector C2
Three C21 of connection otic placode is bolted.
There are two types of Installation Modes (two connectors C2 and C3 are connect with C1 the present invention respectively), and outer overhanging net A can be in floor
Or installed on girder steel, by the integral hoisting of tower crane sub-module, disassembly, condition spirit can be completed in use process according to site operation
Work is changeable, and cantilever span is adjustable, is connected as adjustable fixture with steel beam flange plate, and overhanging net support is articulated connection,
Convenient for the rotation of outer overhanging net any angle, the present apparatus is repeatable to be used in turn, and safe and convenient is practical.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (10)
1. a kind of multi-functional adjustable skyscraper preventing dropped material safety device of tool-type, it is characterised in that: including outer outstanding
Net, wirerope, sheath assembly, connector are chosen,
The outer overhanging net includes the square grid grating texture of longitudinal main joist, lateral main joist intersection composition, described longitudinal main
Keel are rectangular steel pipe with lateral main joist, and the longitudinal direction main joist, lateral main joist intersection lateral intersection are equipped with and hang
Ear and oblique pull lifting lug weld L-type baffle in most inner side and outermost transverse direction main joist, in longitudinal main joist, lateral main joist
It is laid with punched steel plate net or steel mesh above, is fixed with self-tapping screw, the wirerope upper end passes through shackle and floor girder steel
Otic placode four connects, and the girder steel connection otic placode four is welded on steel beam web plate, and wirerope lower end is connect with the oblique pull lifting lug, steel
Setting rope card in cord；
Longitudinal main joist extends to form mounting portion backward, and plane bores 4-10 hole on mounting portion, and described sleeve pipe component includes set
Pipe, connection otic placode one, described sleeve pipe is also rectangular steel pipe, and two holes are arranged in longitudinal main joist tail end, casing top surface in set pipe sleeve,
Pitch-row is matched with the pitch of holes on longitudinal main joist tail end mounting portion, and nut is arranged in casing top surface position of opening；Sleeve bottom weldering
Ear connecting plate one in succession, the connection otic placode one connect connector, and the connector is fixed on girder steel or floor.
2. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 1,
It is characterized by: being equipped with secondary joist between the longitudinal direction main joist.
3. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 2,
It is characterized by: the longitudinal direction main joist, lateral main joist use 80x30x4 rectangular steel pipe, secondary joist uses 50x30x3 rectangle
Steel pipe, sheath assembly specification are 90x40x4mm.
4. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 1,
It is characterized by: the outer overhanging net outermost end height is higher than most inner side.
5. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 1,
It is characterized by: the quantity of the wirerope is 3.
6. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 1,
It is characterized by: plane bore diameter 14mm on the mounting portion, 50 ~ 100mm of spacing.
7. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 1,
It is characterized by: the connector includes left side width regulating part, right side width regulating part, connection otic placode two, thickness regulating part
One thickness regulating part two, the connection otic placode two are arranged above left side width regulating part, connection otic placode two and connection otic placode one
It is bolted, the left side width regulating part, right side width regulating part are symmetrically arranged L-type component, transverse slat and perpendicular
Be equipped with multiple connecting holes on plate, the left side width regulating part, right side width regulating part transverse slat be bolted, it is described
One thickness regulating part two of thickness regulating part is also symmetrically arranged L-type component, the left side width regulating part riser and thickness tune
Section part one is bolted, and riser and the thickness regulating part two of right side width regulating part are bolted, the thickness tune
It saves and is equipped with inside hook plate below one thickness regulating part two of part, the hook plate is caught on the inside of girder steel top flange.
8. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 7,
It is characterized by: being equipped with movable cover net above the mounting plate.
9. the multi-functional adjustable skyscraper preventing dropped material safety device of a kind of tool-type according to claim 1,
It is characterized by: the connector includes built-in fitting, U-shaped dowel, connection otic placode three, the built-in fitting is arranged in floor, U-shaped
Dowel is connected to the back side of built-in fitting, and the connection otic placode three is arranged in the surface of built-in fitting and is exposed above floor, the company
Ear connecting plate three is bolted with connection otic placode one.
10. a kind of multi-functional adjustable skyscraper preventing dropped material safety device of tool-type, it is characterised in that: fabrication and installation
Mode are as follows:
(1) overhanging net constructs outside:
Direction longitudinal direction main joist, lateral main joist are chosen outside using rectangular steel pipe；
Welding lifting lifting lug and oblique pull lifting lug on the main joist of direction longitudinal direction are chosen outside；
L-type baffle is welded on inside and outermost transverse direction main joist；
Top of keel is laid with punched steel plate net or steel mesh, is fixed using self-tapping screw；
(2) oblique pull wirerope
Wirerope upper end was connect by shackle with last floor girder steel otic placode four, and girder steel otic placode four is welded on steel beam web plate, steel
Cord lower end is connect with oblique pull lifting lug, and oblique pull lifting lug B1 is welded in outer overhanging and nets on longitudinal main joist, and wirerope is by specification setting
Rope card；
(3) connecting structure
Multiple holes, peripheral hardware casing, casing top surface setting two are bored above the quarter bend of the longitudinal main joist tail end mounting portion of overhanging net outside
A hole, pitch-row are matched with the pitch of holes on longitudinal main joist, casing top surface position of opening welded nut；Sleeve bottom is welded to connect
Otic placode one；
When connecting with floor girder steel, the connection otic placode two in sheath assembly bottom connection otic placode one and connector C3 passes through bolt
Connection；Connector is equipped with flange plate width adjusting part and edge of a wing plate thickness regulating part, can be according to floor girder steel top flange
Width, thickness adjusting are adjusted, and hook plate and catch on the inside of girder steel top flange, connect additionally, due to outer overhanging net with floor girder steel
When, there is certain gap between outer overhanging net and girder steel, is closed using movable cover net；
When outer overhanging net is connect with floor concrete floor, preparatory indwelling built-in fitting and U-shaped dowel in concrete floor
C23, built-in fitting top surface are welded to connect otic placode three, the connection otic placode threeway in sheath assembly bottom connection otic placode one and connector C2
It crosses and is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738583.0A CN110439308B (en) | 2019-08-12 | 2019-08-12 | Multi-functional adjustable high-rise building safety device that prevents weighing down thing of instrument formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738583.0A CN110439308B (en) | 2019-08-12 | 2019-08-12 | Multi-functional adjustable high-rise building safety device that prevents weighing down thing of instrument formula |
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| Publication Number | Publication Date |
|---|---|
| CN110439308A true CN110439308A (en) | 2019-11-12 |
| CN110439308B CN110439308B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910738583.0A Active CN110439308B (en) | 2019-08-12 | 2019-08-12 | Multi-functional adjustable high-rise building safety device that prevents weighing down thing of instrument formula |
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| CN (1) | CN110439308B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412078A (en) * | 2020-10-12 | 2021-02-26 | 中国华冶科工集团有限公司 | Safety protection net device and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08871U (en) * | 1992-04-27 | 1996-05-31 | 基二 村越 | Lifting device for lightweight hoist |
| KR100488912B1 (en) * | 2004-11-11 | 2005-05-10 | 김현석 | Install structure of net that prevent fall |
| KR20130042117A (en) * | 2011-10-18 | 2013-04-26 | 이재호 | Fall preventing safety net apparatus |
| CN205116768U (en) * | 2015-11-25 | 2016-03-30 | 中国对外建设有限公司 | Superelevation layer instrument formula protection platform of encorbelmenting |
| CN106088637A (en) * | 2016-08-16 | 2016-11-09 | 中铁建工集团有限公司 | Construction assembled high-altitude protection canopy and assembly method thereof |
| CN206053392U (en) * | 2016-09-19 | 2017-03-29 | 中国建筑第八工程局有限公司 | Super High faces side and encorbelments hard protection structure |
| CN108301630A (en) * | 2017-12-30 | 2018-07-20 | 中建三局第建设工程有限责任公司 | A kind of turnable assembled protection shed device and its application method |
-
2019
- 2019-08-12 CN CN201910738583.0A patent/CN110439308B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08871U (en) * | 1992-04-27 | 1996-05-31 | 基二 村越 | Lifting device for lightweight hoist |
| KR100488912B1 (en) * | 2004-11-11 | 2005-05-10 | 김현석 | Install structure of net that prevent fall |
| KR20130042117A (en) * | 2011-10-18 | 2013-04-26 | 이재호 | Fall preventing safety net apparatus |
| CN205116768U (en) * | 2015-11-25 | 2016-03-30 | 中国对外建设有限公司 | Superelevation layer instrument formula protection platform of encorbelmenting |
| CN106088637A (en) * | 2016-08-16 | 2016-11-09 | 中铁建工集团有限公司 | Construction assembled high-altitude protection canopy and assembly method thereof |
| CN206053392U (en) * | 2016-09-19 | 2017-03-29 | 中国建筑第八工程局有限公司 | Super High faces side and encorbelments hard protection structure |
| CN108301630A (en) * | 2017-12-30 | 2018-07-20 | 中建三局第建设工程有限责任公司 | A kind of turnable assembled protection shed device and its application method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412078A (en) * | 2020-10-12 | 2021-02-26 | 中国华冶科工集团有限公司 | Safety protection net device and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN110439308B (en) | 2024-02-09 |
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