CN113882653A - Anti-falling system of building construction platform and construction method - Google Patents
Anti-falling system of building construction platform and construction method Download PDFInfo
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- CN113882653A CN113882653A CN202111064528.1A CN202111064528A CN113882653A CN 113882653 A CN113882653 A CN 113882653A CN 202111064528 A CN202111064528 A CN 202111064528A CN 113882653 A CN113882653 A CN 113882653A
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000009435 building construction Methods 0.000 title claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims abstract description 89
- 238000005303 weighing Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims description 28
- 230000037431 insertion Effects 0.000 claims description 28
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 abstract description 10
- 230000002457 bidirectional effect Effects 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- 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
-
- 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
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides an anti-falling system and a construction method for a building construction platform, which comprises the following steps: the outer peripheral wall of the guide sleeve is provided with at least one group of jack components, and each jack component comprises an upper jack and a lower jack; the guide post is inserted into the guide sleeve, and a plurality of annular clamping grooves are formed in the outer peripheral wall of the guide post along the axial direction of the guide post; prevent weighing down the subassembly, its quantity is unanimous with socket subassembly quantity, is located the guide sleeve at place between jack and the lower jack, prevents weighing down the subassembly and includes the fixing base, prevents weighing down claw and arresting gear, and the fixing base is fixed on the guide sleeve, prevents weighing down the one end of claw and articulates on the fixing base, and the other end can be rotatory and the selectivity passes through jack or jack and ring groove chucking down for the fixing base, and arresting gear can dismantle the setting on the fixing base for the restriction prevents weighing down the claw and rotates for the fixing base. The anti-falling system is simple in structure and convenient to install and use, and can realize effective anti-falling during the bidirectional ascending and descending process of the construction platform on the premise of saving the installation space.
Description
Technical Field
The invention relates to the field of building construction equipment, in particular to an anti-falling system of a building construction platform and a construction method.
Background
Traditional high-rise building construction platform generally calls as climbing frame or scaffold frame, through climbing mechanism, and the drive stores pylon rises, and constructor carries out the construction operation on the stores pylon.
Along with the rapid rising of labor cost in recent years, the building industry also faces the situation of insufficient human resources, so the concept of the building machine is proposed, a large-scale operation platform is arranged at the top of a traditional climbing frame or a scaffold, the large-scale operation platform and the hanging frame are driven to rise through a jacking mechanism, and the automation equipment carried on the large-scale operation platform and the hanging frame is used for rapid construction and reducing the requirement of human resources.
In the practical application of a construction platform, in order to effectively and safely use the construction platform, an anti-falling system must be arranged on the operation platform and the hanging frame, and the existing anti-falling system mostly adopts a steel wire rope to hold and brake or adopts a hydraulic driving mode to brake. The steel wire rope is easy to break in the long-time use process, so that the brake failure is caused, and the safety accident is generated; the hydraulic drive can be affected by external factors or self factors to cause the failure of a hydraulic system, and at the moment, the platform can be accelerated to fall, so that the potential safety hazard is caused.
In addition, the anti-falling systems adopted in the ascending processes of the operation platform and the hanging rack are mostly independently arranged, and the anti-falling in the two-way ascending and descending processes cannot be realized, so that a plurality of anti-falling systems are required to be arranged in the whole construction platform, the structure is complex, the faults are easy to occur, the size is large, the space occupation is large, and the problems of troublesome installation and use are solved.
Disclosure of Invention
In view of the above, the invention provides an anti-falling system for a building construction platform and a construction method, which are used for solving the problems that the anti-falling system in the prior art is complex in structure, troublesome to install and use and cannot realize anti-falling in the process of bidirectional ascending and descending.
The technical scheme of the invention is realized as follows:
in one aspect, the invention provides a building construction platform fall prevention system, comprising:
the top end of the guide sleeve is used for being fixedly connected with the upper supporting beam, at least one group of jack components are arranged on the outer peripheral wall of the guide sleeve, and each jack component comprises an upper jack and a lower jack;
the guide post is inserted into the guide sleeve and can slide up and down along the guide sleeve, the bottom end of the guide post is fixedly connected with the lower supporting beam, the top end of the guide post extends upwards and can slide up and down relative to the upper supporting beam, and a plurality of annular clamping grooves are formed in the outer peripheral wall of the guide post along the axial direction of the guide post;
prevent weighing down the subassembly, its quantity is unanimous with socket subassembly quantity, is located the jack and falls on the uide bushing at place between the jack, prevent weighing down the subassembly and include the fixing base, prevent weighing down claw and arresting gear, the fixing base is fixed on the uide bushing, prevents weighing down the one end of claw and articulates on the fixing base, and the other end can be for the fixing base rotation and selectivity through last jack or jack and ring groove chucking down, and arresting gear can dismantle the setting on the fixing base for the restriction is prevented weighing down the claw and is rotated for the fixing base.
On the basis of the technical scheme, preferably, the peripheral wall axial direction and the radial direction of uide bushing all set up multiunit socket subassembly, the multiunit socket subassembly on the peripheral wall axial direction of uide bushing is equidistant arranges, the multiunit socket subassembly on the peripheral wall radial direction of uide bushing is equidistant around the uide bushing axial lead and arranges.
On the basis of the technical scheme, preferably, the fixing seat comprises two fixed supporting plates which are arranged vertically at intervals, the anti-falling claw is arranged between the two fixed supporting plates, one end of the anti-falling claw is hinged with the middle part of one end of each fixed supporting plate, which is close to the guide sleeve, and the end, which is far away from the guide sleeve, of each fixed supporting plate is respectively provided with an upper mounting groove and a lower mounting groove for mounting the braking device.
On the basis of the technical scheme, preferably, the annular clamping grooves are arranged at equal intervals along the peripheral wall of the guide sleeve, and the longitudinal sections of the annular clamping grooves are rectangular.
On the basis of the technical scheme, preferably, a first clamping portion is arranged on the inner side surface of one end, far away from the fixed seat, of the anti-falling claw, and the first clamping portion is used for penetrating through the upper insertion hole and being clamped with the annular clamping groove; one side of the anti-falling claw far away from the first clamping portion is provided with a second clamping portion which is the same as the first clamping portion in structure, and the second clamping portion is used for penetrating through the lower insertion hole and clamping the annular clamping groove.
Further, it is preferred that first joint portion and second joint portion all include a plurality of joint archs with annular draw-in groove looks embedding, and the joint arch has and is provided with first joint face and second joint face relatively, and horizontal setting is personally submitted to first joint, and the slope setting is personally submitted to the second joint.
On the basis of the technical scheme, preferably, arresting gear includes fixed plate, outer barrel casing, inner barrel casing, elastic component, setting element and pull rod, the fixed plate is arranged in the selectivity is inserted and is located mounting groove or lower mounting groove, and outer barrel casing and fixed plate orientation prevent weighing down one side fixed connection of claw, and the one end fixed connection of outer barrel casing is kept away from with the fixed plate to the pull rod, and inner barrel casing one end is inserted and is located in the outer barrel casing, and the other end is used for preventing weighing down the claw and support, and the inner skleeve can stretch out and draw back for the outer barrel casing, and the elastic component setting is between outer barrel casing and inner barrel casing, and the setting element is used for making fixing base and fixed plate carry out position location.
Further, preferably, a limiting groove is formed in the outer peripheral wall of the inner cylinder sleeve along the axial direction of the inner cylinder sleeve, and a limiting part extending into the limiting groove is fixedly arranged on the outer cylinder sleeve.
Further, preferably, the two fixing support plates are respectively and vertically provided with a first positioning hole, the fixing plate is provided with a second positioning hole corresponding to the first positioning hole, and the positioning piece is used for being inserted into the first positioning hole and the second positioning hole.
On the other hand, the invention also discloses a construction method of the building construction platform on the basis of the anti-falling system, which comprises the following steps:
s1, mounting the assembled anti-falling system between the upper support beam and the lower support beam, keeping the top end of the guide sleeve fixedly connected with the upper support beam, and fixedly connecting the bottom end of the guide column with the lower support beam;
s2, when the construction platform above the upper supporting beam needs to be jacked, the anti-falling claw is turned over relative to the fixed seat, the second clamping part of the anti-falling claw is embedded into the annular clamping groove through the lower insertion hole, and the braking device is installed in the lower installation groove;
s3, the lower supporting beam is fixed, when the jacking mechanism drives the upper beam to jack, the upper supporting beam drives the guide sleeve to move upwards relative to the guide post, and when the jacking mechanism breaks down, the second clamping part of the anti-falling claw is clamped with the annular clamping groove, so that the upper supporting beam and the construction platform are prevented from falling, and anti-falling is achieved;
s4, when the lower supporting beam needs to be lifted, the anti-falling claw is turned over relative to the fixed seat, the first clamping part of the anti-falling claw is embedded into the annular clamping groove through the upper insertion hole, and meanwhile, the braking device is installed in the upper installation groove;
s5, the upper supporting beam is fixed, when the lower cross beam is driven to lift through the lifting mechanism, the upper supporting beam drives the guide sleeve to move upwards relative to the guide post, and when the lifting mechanism breaks down, the first clamping portion of the anti-falling claw is clamped with the annular clamping groove, so that the lower supporting beam is prevented from falling, and the anti-falling effect is achieved.
Compared with the prior art, the invention has the following beneficial effects:
(1) the anti-falling system of the building construction platform is characterized in that the guide sleeve and the guide post are arranged, the guide post is sleeved in the guide sleeve, the guide post and guide sleeve combined body can be installed between the upper supporting beam and the lower support in the construction operation, the plurality of annular clamping grooves are formed in the axial direction of the outer peripheral wall of the guide post, the guide sleeve is provided with the upper insertion hole and the lower insertion hole, the anti-falling component is arranged between the upper insertion hole and the lower insertion hole, the anti-falling claw rotates downwards relative to the fixed seat, and when the upper cross beam needs to be prevented from falling in the jacking process, the anti-falling claw can be clamped with the annular clamping grooves through the lower insertion hole, so that the anti-falling requirement in the jacking process of the upper cross beam is met; the anti-falling claw rotates upwards relative to the fixing seat, and when the lower cross beam needs to be prevented from falling in the lifting process, the anti-falling claw is clamped with the annular clamping groove through the upper insertion hole, so that the anti-falling requirement of the lower cross beam is met. Meanwhile, the falling prevention claw can be limited to rotate relative to the fixed seat by the aid of the braking device, and accordingly effective falling prevention of the construction platform in the bidirectional ascending and descending process is guaranteed. The anti-falling system has simple structure and convenient installation and use, and can realize effective anti-falling during the bidirectional ascending and descending process of the construction platform on the premise of saving the installation space;
(2) a plurality of groups of jack assemblies are arranged in the axial direction and the radial direction of the outer peripheral wall of the guide sleeve, so that a plurality of anti-falling assemblies can be established between the guide sleeve and the guide column, and the anti-falling effect is improved;
(3) the first clamping part and the second clamping part which are identical in structure are oppositely arranged at one end, far away from the fixed seat, of the anti-falling claw, the anti-falling claw can be rotated relative to the fixed seat and then selectively clamped with the annular clamping groove through the upper insertion hole or the lower insertion hole, and therefore effective anti-falling of the construction platform in the two-way ascending and descending process is achieved;
(4) the first clamping surface and the second clamping surface are oppositely arranged on the clamping protrusion, the first clamping surface is horizontally arranged, the second clamping surface is obliquely arranged, when the first clamping surface is abutted against and clamped with the inner side wall of the annular clamping groove, the guide sleeve and the guide column can be fixed in relative position, so that the anti-falling function is achieved, when the construction platform needs to be jacked up or lifted, the obliquely arranged second clamping surface can slide out of the annular clamping groove, and the guide sleeve and the guide column can move in relative position;
(5) the anti-falling claw is supported by the braking device, so that when the anti-falling claw is clamped on the guide post, the anti-falling claw is prevented from rotating in the opposite direction relative to the fixed seat to be tripped, and an effective anti-falling function is achieved;
(6) the elastic piece is arranged between the outer barrel sleeve and the inner barrel sleeve, the inner barrel sleeve is pushed to stretch relative to the outer barrel sleeve by the elastic acting force of the elastic piece, and then one end of the inner barrel sleeve supports the anti-falling claw, so that the anti-falling claw always rotates towards the direction of the guide column, and the clamping effect of the anti-falling claw and the annular clamping groove is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the fall arrest system of the present disclosure;
FIG. 2 is a schematic structural view of a guide sleeve disclosed in the present invention;
FIG. 3 is a schematic plan view of the fall arrest system during jacking according to the present disclosure;
FIG. 4 is a schematic view of the installation structure of the fall arrest system in the construction platform during jacking disclosed in the present invention;
FIG. 5 is a schematic plan view of the disclosed fall arrest system during a lift;
FIG. 6 is a schematic view of the installation structure of the fall arrest system in a construction platform during lifting in accordance with the present disclosure;
FIG. 7 is a mechanical schematic view of the fall arrest assembly of the present disclosure;
FIG. 8 is a schematic plan view of the disclosed fall arrest system;
FIG. 9 is an enlarged view of a portion A of FIG. 8;
identification of the attached drawings;
1. a guide sleeve; 2. a guide post; 3. a fall arrest assembly; 11. a jack assembly, 111, an upper jack; 112. a lower jack; 21. an annular neck; 30. a fixed seat; 31. the anti-falling claw; 32. a braking device; 301. fixing a support plate; 310. a first clamping part; 320. a second clamping part; 31a, a first clamping surface; 31b, a second clamping surface, M, an upper supporting beam; n, a lower support beam; 3011. mounting a mounting groove; 3012. a lower mounting groove; 321. a fixing plate; 322. an outer cylinder sleeve; 323. an inner cylinder sleeve; 324. an elastic member; 325. a positioning member; 326. a pull rod; 3231. a limiting groove; 3221. a limiting member; 3013. a first positioning hole; 3211. and a second positioning hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, with reference to fig. 2-6, the embodiment of the invention discloses an anti-falling system for a construction platform, which is installed between an upper support beam M and a lower support beam N in the construction platform during operation, and specifically comprises a guide sleeve 1, a guide post 2 and an anti-falling assembly 3.
The guide sleeve 1 is of a cylindrical structure, the top end of the guide sleeve 1 is fixedly connected with the upper support beam M, the bottom end of the guide sleeve 1 is in a free shape, at least one group of jack assemblies 11 are arranged on the outer peripheral wall of the guide sleeve 1, and each jack assembly 11 comprises an upper jack and a lower jack 112;
the guide post 2 is inserted into the guide sleeve 1 and is in clearance fit with the guide sleeve 1, so that the guide post can slide up and down along the guide sleeve 1, in actual operation, the bottom end of the guide post 2 is fixedly connected with the lower support beam N, the top end of the guide post 2 extends upwards and can slide up and down relative to the upper support beam M, and the peripheral wall of the guide post 2 is provided with a plurality of annular clamping grooves 21 along the axial direction;
prevent weighing down subassembly 3, its quantity is unanimous with socket subassembly 11 quantity, be located jack and down on the uide bushing 1 at the place between the jack 112, prevent weighing down subassembly 3 and include fixing base 30, prevent weighing down claw 31 and arresting gear 32, fixing base 30 is fixed on uide bushing 1, prevent weighing down the one end of claw 31 and articulate on fixing base 30, the other end can be rotatory and the selectivity passes through jack or jack 112 and ring groove 21 chucking down for fixing base 30, arresting gear 32 can be dismantled and set up on fixing base 30, be used for the restriction to prevent weighing down claw 31 and rotate for fixing base 30.
By adopting the technical scheme, the guide sleeve 1 and the guide column 2 are arranged, the guide column 2 is sleeved in the guide sleeve 1, the combination of the guide column 2 and the guide sleeve 1 can be installed between the upper supporting beam M and the lower support in the construction operation, the plurality of annular clamping grooves 21 are arranged in the axial direction of the outer peripheral wall of the guide column 2, the upper insertion hole and the lower insertion hole 112 are arranged on the guide sleeve 1, the anti-falling component 3 is arranged between the upper insertion hole and the lower insertion hole 112, the anti-falling claw 31 rotates downwards relative to the fixing seat 30, and when the upper cross beam needs to be prevented from falling in the jacking process, the anti-falling claw 31 can be clamped with the annular clamping grooves 21 through the lower insertion hole 112, so that the anti-falling requirement in the jacking process of the upper cross beam is met; the anti-falling claw 31 rotates upwards relative to the fixing seat 30, and when the lower cross beam needs to be prevented from falling in the lifting process, the anti-falling claw 31 is clamped with the annular clamping groove 21 through the upper insertion hole, so that the anti-falling requirement of the lower cross beam is met. Meanwhile, the falling prevention claw 31 can be limited to rotate relative to the fixed seat 30 by the braking device 32, so that effective falling prevention during bidirectional ascending and descending of the construction platform is guaranteed. The anti-falling system is simple in structure and convenient to install and use, and can realize effective anti-falling during the bidirectional ascending and descending process of the construction platform on the premise of saving the installation space.
Specifically, the invention is also realized by the following technical scheme.
As some embodiments of the present invention, referring to fig. 2, a plurality of sets of socket members 11 are provided on the outer circumferential wall of the guide bush 1 in the radial direction, and the plurality of sets of socket members 11 are arranged at equal intervals around the axial center line of the guide bush 1. Therefore, a plurality of anti-falling claws 31 can be arranged on a single cross section of the guide sleeve 1 to simultaneously clamp the annular clamping grooves 21 on the guide post 2, so that the braking force on the single cross section of the guide sleeve 1 and the single cross section of the guide post 2 are balanced.
On the basis of the above embodiments, the present invention also discloses some preferred embodiments, that is, a plurality of sets of socket assemblies 11 are also arranged in the axial direction of the guide sleeve 1, and the plurality of sets of socket assemblies 11 are arranged at equal intervals. Therefore, the anti-falling claws 31 on a plurality of cross sections of the guide sleeve 1 in the axial direction can be clamped with the annular clamping grooves 21 on the guide post 2, and the braking force between the guide sleeve 1 and the guide post 2 is further improved. Certainly, through setting up multiunit socket subassembly 11, and then dispose the subassembly 3 of preventing weighing down of equal quantity, can also avoid certain subassembly 3 of preventing weighing down when becoming invalid, other prevent weighing down the subassembly 3 and are not influenced, continue to play the effect of preventing weighing down, and then improve the whole effect of preventing weighing down of construction platform, safe and reliable.
As some preferred embodiments, referring to fig. 7, the fixing seat 30 includes two fixing support plates 301 that are vertically arranged at an interval, the anti-falling claw 31 is arranged between the two fixing support plates 301, one end of the anti-falling claw 31 is hinged to the middle of one end of the fixing support plate 301 that is close to the guide sleeve 1, and one end of the fixing support plate 301 that is far away from the guide sleeve 1 is respectively provided with an upper mounting groove 3011 and a lower mounting groove 3012 for mounting the braking device 32. Therefore, when the anti-falling claw 31 turns upwards around the fixed seat 30 and approaches to the guide post 2, the braking device 32 can be installed in the upper installation groove 3011 to limit the anti-falling claw 31 to turn downwards, and the anti-falling claw 31 is tightly clamped and connected with the annular clamping groove 21. When the anti-falling claw 31 turns downwards around the fixed seat 30 and approaches to the guide post 2, the braking device 32 can be installed in the lower installation groove 3012 to limit the anti-falling claw 31 to turn upwards, and the anti-falling claw 31 is tightly clamped with the annular clamping groove 21.
In this embodiment, the ring-shaped clamping grooves 21 are arranged at equal intervals along the outer peripheral wall of the guide sleeve 1, so that when the guide column 2 and the guide sleeve 1 move relatively and the column and the guide sleeve 1 are required to brake instantly, the ring-shaped clamping grooves 21 arranged at equal intervals can be clamped and braked with the anti-falling claws 31 instantly, and the safe and effective anti-falling effect is achieved. The longitudinal section of the ring-shaped clamping groove 21 is rectangular, so that the falling prevention claw 31 and the ring-shaped clamping groove 21 can be conveniently matched and clamped.
As some preferred embodiments, a first clamping portion 310 is arranged on the inner side surface of one end of the anti-falling claw 31 far away from the fixed seat 30, and the first clamping portion 310 is used for passing through the upper insertion hole to be clamped with the ring-shaped clamping groove 21; one side of the anti-falling claw 31, which is far away from the first clamping portion 310, is provided with a second clamping portion 320 which has the same structure as the first clamping portion 310, and the second clamping portion 320 is used for penetrating through the lower insertion hole 112 and clamping with the ring-shaped clamping groove 21. In the above embodiment, the inner side wall of the anti-falling claw 31 is the surface close to the guide sleeve 1, and the outer side surface of the anti-falling claw 31 is the surface far from the guide sleeve 1. By adopting the technical scheme, the first clamping portion 310 and the second clamping portion 320 which are identical in structure are oppositely arranged at the end, far away from the fixed seat 30, of the anti-falling claw 31, and the clamping of the first clamping portion 310, the second clamping portion 320 and the ring-shaped clamping groove 21 can be selectively realized by turning the anti-falling claw 31 clockwise or anticlockwise relative to the fixed seat 30 in actual operation. The structure is simple in arrangement and convenient to operate, and one structure can realize effective falling prevention in the bidirectional ascending and descending process of the construction platform.
As a preferred embodiment of the present invention, each of the first clamping portion 310 and the second clamping portion 320 includes a plurality of clamping protrusions, which are inserted into the ring-shaped clamping groove 21, and each of the clamping protrusions has a first clamping surface 31a and a second clamping surface 31b, which are oppositely disposed, the first clamping surface 31a is disposed horizontally, and the second clamping surface 31b is disposed obliquely. From this setting, when first joint face 31a supports with ring slot 21's inside wall and holds the chucking, can be with when uide bushing 1 and guide post 2 relative position are fixed, and then play and prevent weighing down the function, when the work is carried out to the construction platform jacking or carrying, the second joint face 31b of slope setting can be at ring slot 21 roll-off, realizes that uide bushing 1 and guide post 2 relative position move.
More specifically, referring to fig. 4, when a construction platform above an upper support beam M needs to be lifted, the anti-falling claw 31 is turned downward relative to the fixing base 30, so that the second engaging portion 320 is inserted into the annular engaging groove 21 through the lower insertion hole 112, the braking device 32 is installed in the lower installation slot 3012, the lower support beam N is stationary, when the upper beam is driven to lift by the lifting mechanism, the upper support beam M drives the guide sleeve 1 to move upward relative to the guide post 2, at this time, the second engaging portion 320 slides out of the annular engaging groove 21 in sequence through the second engaging surface 31b arranged obliquely, when the lifting mechanism fails, the upper support beam M and the construction platform fall downward, the upper support beam M drives the guide sleeve 1 to slide downward relative to the guide post 2, at this time, the second engaging portion 320 engages with the inner side wall of the annular engaging groove 21 through the first engaging surface 31a arranged horizontally, the upper supporting beam M and the construction platform are prevented from falling, and the anti-falling is realized.
Referring to fig. 5, when the lower support beam N needs to be lifted, the anti-falling claw 31 is turned upwards relative to the fixing base 30, so that the first clamping portion 310 of the anti-falling claw is embedded into the annular clamping groove 21 through the upper insertion hole, meanwhile, the braking device 32 is installed in the upper installation groove 3011, the upper support beam M is not moved, when the lower cross beam is driven to lift by the lifting mechanism, the lower support beam N drives the guide post 2 to move upwards relative to the guide sleeve 1, at this time, the first clamping portion 310 sequentially slides out of the annular clamping groove 21 through the second clamping surface 31b which is obliquely arranged, when the lifting mechanism fails, the lower support beam N falls downwards, the lower support beam N drives the guide post 2 to slide downwards relative to the guide sleeve 1, at this time, the first clamping portion 310 is clamped with the inner side wall of the annular clamping groove 21 through the first clamping surface 31a which is horizontally arranged, so as to prevent the lower support beam N from falling down, and prevent the anti-falling.
In the embodiment of the present invention, referring to fig. 8 and 9, the braking device 32 includes a fixing plate 321, an outer cylinder sleeve 322, an inner cylinder sleeve 323, an elastic element 324, a positioning element 325 and a pull rod 326, wherein the fixing plate 321 is configured to be selectively inserted into the upper installation slot 3011 or the lower installation slot 3012, the outer cylinder sleeve 322 is fixedly connected to one side of the fixing plate 321 facing the anti-falling claw 31, the pull rod 326 is fixedly connected to one end of the fixing plate 321 away from the outer cylinder sleeve 322, one end of the inner cylinder sleeve 323 is inserted into the outer cylinder sleeve 322, the other end of the inner cylinder sleeve is configured to abut against the anti-falling claw 31, the inner cylinder is capable of extending and contracting relative to the outer cylinder, the elastic element 324 is disposed between the outer cylinder sleeve 322 and the inner cylinder sleeve 323, and the positioning element 325 is configured to position the fixing base 30 and the fixing plate 321.
Therefore, when the anti-falling claw 31 turns upwards around the fixed seat 30 and approaches to the guide post 2, the braking device 32 can be installed in the upper installation groove 3011 to limit the anti-falling claw 31 to turn downwards, and the anti-falling claw 31 is tightly clamped and connected with the annular clamping groove 21. When the anti-falling claw 31 turns downwards around the fixed seat 30 and approaches to the guide post 2, the braking device 32 can be installed in the lower installation groove 3012 to limit the anti-falling claw 31 to turn upwards, and the anti-falling claw 31 is tightly clamped with the annular clamping groove 21. The inner cylinder sleeve 323 is pushed to stretch relative to the outer cylinder sleeve 322 by the elastic acting force of the elastic piece 324, one end of the inner cylinder sleeve 323 supports the anti-falling claw 31, so that the first clamping portion 310 or the second clamping portion 320 of the anti-falling claw 31 is always embedded into the annular clamping groove 21, when the guide post 2 and the guide sleeve 1 move relatively, the first clamping portion 310 or the second clamping portion 320 slides out of the annular clamping groove 21 and then is embedded into the annular clamping groove 21, and the whole process always keeps the first clamping portion 310 or the second clamping portion 320 embedded into the annular clamping groove 21.
It is noted that when it is necessary to replace the position of the stopper 32 in the upper mounting groove 3011 or the lower mounting groove 3012, the stopper can be easily pulled out by the pull rod 326.
As some preferred embodiments, the outer circumferential wall of the inner cylindrical sleeve 323 is provided with a limiting groove 3231 along the axial direction thereof, and the outer cylindrical sleeve 322 is fixedly provided with a limiting member 3221 extending into the limiting groove 3231. Accordingly, the inner cylinder housing 323 can be restricted in the outer cylinder housing 322 by the movement of the stopper 3221 in the stopper groove 3231, and the relative movement between the inner cylinder housing 323 and the outer cylinder housing 322 can be maintained. The position-limiting member 3221 may be a pin or a dowel.
The two fixed support plates 301 are respectively vertically provided with a first positioning hole 3013, the fixed plate 321 is provided with a second positioning hole 3211 corresponding to the first positioning hole 3013, and the positioning element 325 is used for being inserted into the first positioning hole 3013 and the second positioning hole 3211. By adopting the technical scheme, the positioning element 325 can be conveniently inserted into the first positioning hole 3013 and the second positioning hole 3211, so as to realize the detachable connection between the fixing base 30 and the fixing plate 321.
The invention also discloses a construction method of the building construction platform, which comprises the following steps:
s1, installing the assembled anti-falling system between the upper support beam M and the lower support beam N, keeping the top end of the guide sleeve 1 fixedly connected with the upper support beam M, and fixedly connecting the bottom end of the guide column 2 with the lower support beam N;
s2, when the construction platform above the upper supporting beam M needs to be jacked, the anti-falling claw 31 is turned over relative to the fixed seat 30, the second clamping portion 320 of the anti-falling claw is embedded into the annular clamping groove 21 through the lower insertion hole 112, and meanwhile the braking device 32 is installed in the lower installation groove 3012;
s3, the lower supporting beam N is fixed, when the upper beam is driven by the jacking mechanism to jack, the upper supporting beam M drives the guide sleeve 1 to move upwards relative to the guide column 2, and when the jacking mechanism breaks down, the second clamping part 320 of the anti-falling claw 31 is clamped with the annular clamping groove 21, so that the upper supporting beam M and the construction platform are prevented from falling, and anti-falling is achieved;
s4, when the lower support beam N needs to be lifted, the anti-falling claw 31 is turned over relative to the fixed seat 30, the first clamping portion 310 is embedded into the annular clamping groove 21 through the upper insertion hole, and meanwhile the braking device 32 is installed in the upper installation groove 3011;
s5, the upper supporting beam M is fixed, when the lower cross beam is driven to lift through the lifting mechanism, the upper supporting beam M drives the guide sleeve 1 to move upwards relative to the guide column 2, and when the lifting mechanism breaks down, the first clamping portion 310 of the anti-falling claw 31 is clamped with the annular clamping groove 21, so that the lower supporting beam N is prevented from falling, and anti-falling is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a building construction platform anti-falling system which characterized in that includes:
the top end of the guide sleeve (1) is fixedly connected with the upper support beam (M), at least one group of jack components (11) are arranged on the peripheral wall of the guide sleeve (1), and each jack component (11) comprises an upper jack (111) and a lower jack (112);
the guide post (2) is inserted into the guide sleeve (1) and can slide up and down along the guide sleeve (1), the bottom end of the guide post (2) is fixedly connected with the lower supporting beam (N), the top end of the guide post (2) extends upwards and can slide up and down relative to the upper supporting beam (M), and a plurality of annular clamping grooves (21) are formed in the outer peripheral wall of the guide post (2) along the axial direction of the guide post;
prevent weighing down subassembly (3), its quantity is unanimous with socket subassembly (11) quantity, is located on uide bushing (1) at place between jack (111) and lower jack (112), prevent weighing down subassembly (3) including fixing base (30), prevent weighing down claw (31) and arresting gear (32), fixing base (30) are fixed on uide bushing (1), and the one end of preventing weighing down claw (31) articulates on fixing base (30), and the other end can be rotatory and the selectivity passes through last jack (111) or lower jack (112) and ring groove (21) chucking for fixing base (30), and arresting gear (32) can be dismantled and set up on fixing base (30) for the restriction prevents weighing down claw (31) and rotates for fixing base (30).
2. The building construction platform fall arrest system of claim 1, wherein: the periphery wall axial direction and the radial direction of uide bushing (1) all set up multiunit socket subassembly (11), multiunit socket subassembly (11) equidistant the arranging in uide bushing (1) periphery wall axial direction, multiunit socket subassembly (11) on uide bushing (1) periphery wall radial direction are equidistant around uide bushing (1) axial lead and arrange.
3. The building construction platform fall arrest system of claim 1, wherein: fixing base (30) include two fixed extension boards (301) of interval and vertical setting, prevent weighing down claw (31) and set up between two fixed extension boards (301), prevent that the one end of weighing down claw (31) and fixed extension board (301) are close to the one end middle part hinge of uide bushing (1) and be connected, fixed extension board (301) are kept away from the one end of uide bushing (1) and are offered last mounting groove (3011) and lower mounting groove (3012) that are used for installing arresting gear (32) respectively.
4. The building construction platform fall arrest system of claim 1, wherein: the ring-shaped clamping groove (21) is arranged at equal intervals along the peripheral wall of the guide sleeve (1), and the longitudinal section of the ring-shaped clamping groove (21) is rectangular.
5. The building construction platform fall arrest system according to claim 4, wherein: a first clamping portion (310) is arranged on the inner side face of one end, far away from the fixed seat (30), of the anti-falling claw (31), and the first clamping portion (310) is used for penetrating through the upper insertion hole (111) to be clamped with the annular clamping groove (21); one side of the anti-falling claw (31) far away from the first clamping portion (310) is provided with a second clamping portion (320) which is the same as the first clamping portion (310) in structure, and the second clamping portion (320) is used for penetrating through the lower insertion hole (112) and clamping with the ring-shaped clamping groove (21).
6. The building construction platform fall arrest system according to claim 5, wherein: first joint portion (310) and second joint portion (320) all include a plurality of joint archs with ring slot (21) embedding mutually, and the joint arch has and is provided with first joint face (31a) and second joint face (31b) relatively, and first joint face (31a) are the level setting, and second joint face (31b) are the slope setting.
7. The building construction platform fall arrest system according to claim 3, wherein: the braking device (32) comprises a fixing plate (321), an outer cylinder sleeve (322), an inner cylinder sleeve (323), an elastic piece (324), a positioning piece (325) and a pull rod (326), wherein the fixing plate (321) is used for being selectively inserted into an upper mounting groove (3011) or a lower mounting groove (3012), the outer cylinder sleeve (322) and the fixing plate (321) are fixedly connected towards one side of the anti-falling claw (31), the pull rod (326) and the fixing plate (321) are fixedly connected with one end far away from the outer cylinder sleeve (322), one end of the inner cylinder sleeve (323) is inserted into the outer cylinder sleeve (322), the other end of the inner cylinder sleeve is used for abutting against the anti-falling claw (31), the inner cylinder can stretch out and draw back relative to the outer cylinder, the elastic piece (324) is arranged between the outer cylinder sleeve (322) and the inner cylinder sleeve (323), and the positioning piece (325) is used for enabling the fixing seat (30) and the fixing plate (321) to be positioned.
8. The building construction platform fall arrest system according to claim 7, wherein: a limiting groove (3231) is formed in the outer circumferential wall of the inner cylinder sleeve (323) along the axial direction of the inner cylinder sleeve, and a limiting piece (3221) extending into the limiting groove (3231) is fixedly arranged on the outer cylinder sleeve (322).
9. The building construction platform fall arrest system according to claim 7, wherein: the two fixing support plates (301) are respectively and vertically provided with a first positioning hole (3013), the fixing plate (321) is provided with a second positioning hole (3211) corresponding to the first positioning hole (3013), and the positioning piece (325) is used for being inserted into the first positioning hole (3013) and the second positioning hole (3211).
10. A method of constructing a construction platform using the fall arrest system of any one of claims 1 to 9, comprising the steps of:
s1, mounting the assembled anti-falling system between the upper support beam (M) and the lower support beam (N), keeping the top end of the guide sleeve (1) fixedly connected with the upper support beam (M), and fixedly connecting the bottom end of the guide column (2) with the lower support beam (N);
s2, when the construction platform above the upper supporting beam (M) needs to be jacked, the anti-falling claw (31) is turned over relative to the fixed seat (30), the second clamping part (320) is embedded into the annular clamping groove (21) through the lower insertion hole (112), and meanwhile, the braking device (32) is installed in the lower installation groove (3012);
s3, the lower supporting beam (N) is fixed, when the upper beam is driven to jack by the jacking mechanism, the upper supporting beam (M) drives the guide sleeve (1) to move upwards relative to the guide post (2), and when the jacking mechanism breaks down, the second clamping part (320) of the anti-falling claw (31) is clamped with the annular clamping groove (21), so that the upper supporting beam (M) and the construction platform are prevented from falling, and the anti-falling is realized;
s4, when the lower support beam (N) needs to be lifted, the anti-falling claw (31) is turned over relative to the fixed seat (30), the first clamping part (310) is embedded into the annular clamping groove (21) through the upper insertion hole, and meanwhile, the braking device (32) is installed in the upper installation groove (3011);
s5, the upper supporting beam (M) is fixed, when the lower cross beam is driven to lift through the lifting mechanism, the upper supporting beam (M) drives the guide sleeve (1) to move upwards relative to the guide post (2), and when the lifting mechanism breaks down, the first clamping portion (310) of the anti-falling claw (31) is clamped with the annular clamping groove (21), so that the lower supporting beam (N) is prevented from falling, and the anti-falling is achieved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111064528.1A CN113882653B (en) | 2021-09-10 | 2021-09-10 | Anti-falling system of building construction platform and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111064528.1A CN113882653B (en) | 2021-09-10 | 2021-09-10 | Anti-falling system of building construction platform and construction method |
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| CN204754166U (en) * | 2015-07-03 | 2015-11-11 | 四川建筑职业技术学院 | Wedge formula anti -falling anti -roll device of lift scaffold |
| DE102017010517A1 (en) * | 2017-11-14 | 2019-05-16 | Dywidag-Systems International Gmbh | Safety system to protect people against falling |
| CN111809857A (en) * | 2020-08-10 | 2020-10-23 | 厦门安科科技有限公司 | Wall-attached support with anti-falling mechanism for building construction |
| CN112709419A (en) * | 2020-12-29 | 2021-04-27 | 广州达蒙安防科技有限公司 | Anti-falling device of attached lifting scaffold guide rail |
| CN214034697U (en) * | 2020-09-27 | 2021-08-24 | 沈莉娟 | Hanging flower basket for construction |
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2021
- 2021-09-10 CN CN202111064528.1A patent/CN113882653B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204754166U (en) * | 2015-07-03 | 2015-11-11 | 四川建筑职业技术学院 | Wedge formula anti -falling anti -roll device of lift scaffold |
| DE102017010517A1 (en) * | 2017-11-14 | 2019-05-16 | Dywidag-Systems International Gmbh | Safety system to protect people against falling |
| CN111809857A (en) * | 2020-08-10 | 2020-10-23 | 厦门安科科技有限公司 | Wall-attached support with anti-falling mechanism for building construction |
| CN214034697U (en) * | 2020-09-27 | 2021-08-24 | 沈莉娟 | Hanging flower basket for construction |
| CN112709419A (en) * | 2020-12-29 | 2021-04-27 | 广州达蒙安防科技有限公司 | Anti-falling device of attached lifting scaffold guide rail |
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|---|---|
| CN113882653B (en) | 2022-04-15 |
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