CN108342990A - A kind of bent cap holder installation jacking system and its application method - Google Patents
A kind of bent cap holder installation jacking system and its application method Download PDFInfo
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- CN108342990A CN108342990A CN201810413190.8A CN201810413190A CN108342990A CN 108342990 A CN108342990 A CN 108342990A CN 201810413190 A CN201810413190 A CN 201810413190A CN 108342990 A CN108342990 A CN 108342990A
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- operating platform
- platform
- steel cable
- pier stud
- fixing bracket
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of bent cap holder installation jacking system and its application method, system includes the dynamical system of operating platform and control operating platform lifting, operating platform is the hollow circuit cylinder table top around pier stud setting, support rib is set between upper and lower panel and forms interlayer, and the rubber wheel for moving up and down is fixed in interlayer；Dynamical system is set to the top of pier stud, including hoist engine, fixing bracket, pulley blocks and load steel cable, hoist engine and pulley blocks are mounted on fixing bracket, and fixing bracket is fixed on pier stud；It loads steel cable one end and connects hoist engine, the other end is withheld with fixed platform on the operational platform by pulley blocks and connect.Present system is simple in structure, it is easy to operate, it is constructed using hoist engine control operating platform lifting, with the use of the use of fold railing, it is permanent when traditional construction middle cover boom support installation progress is slow, danger is big and crane machine-team effectively to solve the problems, such as, engineering cost is saved, ensure that convenience and the safety of operating personnel's mounting bracket.
Description
Technical field
The present invention relates to Coping Construction technical fields, and in particular to a kind of bent cap holder installation jacking system and its user
Method.
Background technology
Bent cap refer to for bearing, distribution and transmit superstructure load, the crossbeam being arranged at the top of pile bent pier, again
Claim cap, generally in bridge pier or the crossbeam of setting armored concrete or rare-reinforcement concrete on campshed.In Coping Construction, frequently with
Cross the construction methods such as rod iron method, Hold Hoop method, Support Method, pre-embedded steel slab method.
Currently, independent pier capping beam mostly uses post-tensioning pull technology, manual operation platform is needed.Previous mostly use sets up foot hand
Frame will also be handled if foundation bearing bottom, and not only safety, stability are poor, but also steel pipe and shaped steel demand are larger,
Construction cost is high；It needs a large amount of time and manpower again during setting up and dismantling scaffold and Hanging Basket, therefore constructs
It is cumbersome, engineering time is wasted, labor intensity is big, working efficiency bottom.In addition, there is also problems permanent when crane machine-team.Therefore,
It is badly in need of a kind of novel auxiliary installation jacking system at present.
Invention content
Present invention aims at a kind of bent cap holder installation jacking system of offer and its construction methods, it is therefore intended that solves to pass
The problem permanent when system construction middle cover boom support installation progress is slow, danger is big and crane machine-team, engineering cost is high, ensure that work
The convenience of industry personnel's mounting bracket and safety.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of bent cap holder installation jacking system, it is characterised in that：Power including operating platform and control operating platform lifting
System, the operating platform are the hollow circuit cylinder table tops around pier stud setting, including horizontally disposed panel and bottom plate, the two it
Between set support rib and form interlayer, the rubber wheel for moving up and down is fixed in the interlayer；The dynamical system is set to pier
The top of column, including hoist engine, fixing bracket, pulley blocks and load steel cable, the hoist engine and pulley blocks are mounted on fixed branch
On frame, the fixing bracket is fixed on pier stud；Described load steel cable one end connects hoist engine, and the other end passes through pulley blocks
It withholds and connect with fixed platform on the operational platform.
As the preferred technical solution of the present invention, the rubber wheel is close to the lateral surface setting of pier stud, and both sides are by two supports
Floor is fixedly clamped, and wheel shaft is mounted in two support ribs, and wheel shaft connects shaft bearing plate, and shaft bearing plate sets far from pier stud side and holds out against
Screw rod, realization rubber wheel and pier stud hold out against fixation.
It is further preferred that the fixing bracket is made of the diagonal brace of horizontal steelframe and bottom, the horizontal steelframe is set to
At the top of pier stud, the diagonal brace is set to horizontal steelframe bottom, and one end connects horizontal steelframe, and the other end is adjustable to be fixed on the side of pier stud
On face, stable gusseted is formed.
It is further preferred that setting rubber clip pad between the diagonal brace and pier stud.
It is further preferred that setting heavy burden steel plate between the fixing bracket and hoist engine；The support bracket fastened horizontal steel
Resetting spring is set between frame and diagonal brace.
It is further preferred that the platform is withheld in the interlayer being fixed between panel and bottom plate, including connecting crank, partially
Heart counterweight hook, iron back of the body rubber system movable plate and safety spring bar, the connecting crank are hingedly connected to the bottom of panel, realize it
Lever motion is done by supporting point of hinged shaft, outboard end is articulated and connected with eccentrically mounted weight hook, medial end and internal institute
Iron back of the body rubber system movable plate back side irony part is stated to be welded and fixed；The safety spring bar shell is welded and fixed with platform panel, interior
Bar part is articulated and connected with connecting crank.
It is further preferred that being additionally provided with support post between the panel and bottom plate, the platform, which is withheld, is located in two
Between support post.
It is further preferred that the operating platform is put together by two semicircular ring platforms, the interconnecting piece of split seam crossing
It is fixed by double high-strength bolt；Setting fold guardrail on the operating platform.
Further include safety position limiter and safe steel cable, the safety position limiter is set to support bracket fastened bottom, the safety
Steel cable one end is fixed on fixing bracket, and the other end after safety position limiter with the pre-buried earth anchor for being anchored at ground by connecting.
The present invention also provides a kind of above-mentioned application methods of bent cap holder installation jacking system, which is characterized in that including such as
Lower step：
（One）, when installing the operating platform
1）Dynamical system is whole to be first hung to pier top by truck crane, and load steel cable should be put into before lifting in corresponding grooving, when installation
Each steel cable, which naturally droops, is dragged to ground；
2）Pre-buried earth anchor is buckled well, safe steel cable is tensioned；
3）Concatenation platform installs rubber wheel and adjusts fastening screw；
4）Snapping platform is withheld, tensioning load steel cable；
5）Start hoist engine, the unloaded safety inspection of progress is moved up and down to operating platform；
6）After unloaded safety inspection passes through, personnel remove truck crane suspension hook by operating platform and fold guardrail；
（Two）, installation bent cap holder when
1）When installing anchor ear and sandbox, anchor ear and sandbox are placed directly on operating platform and are transported to predetermined altitude progress together with people
Installation；
2）When Bailey beam is installed, Bailey beam is transported to predetermined altitude using truck crane and is installed, personnel are by operating platform and turn over
Roll over guardrail（3）Construction up and down；
（Three）, installation bent cap skeleton when
1）Personnel climb installation truck crane suspension hook, subsequent personnel on the fixing bracket to pier stud by fold guardrail and retreat to ground
Face after the connection for releasing each steel cable, is removed fixing bracket with truck crane；
2）Truck crane steel cable is connect with operating platform, moving up and down for operating platform is carried out using crane hoisting machine；
3）Unloaded safety inspection is carried out, the errorless rear of safety inspection can be used；
（Four）, dismantling operation platform when：Personnel retreat to ground by operating platform, and dismantling operation is flat after releasing the connection of each steel cable
Platform.
（Five）, occur safety failure when：
1）When load steel cable is broken, safety spring bar elongation, eccentrically mounted weight hook falls, and connecting crank is driven to rotate,
So that iron back of the body rubber system movable plate is pushed down pier stud, prevents platform from falling by friction；
2）When load steel cable both sides displacement is asynchronous, hoist engine passes through electronic system adjust automatically.
3）When operating platform, which rises height, to meet safety requirements, safety position limiter will be stuck, does not allow to bear
Steel cable is carried to continue that operating platform is driven to rise.
Compared with prior art, there are following technical advantages by the present invention：
1, present system is simple in structure, easy for installation, and low manufacture cost saves engineering cost；
2, easy to operate, it is constructed using hoist engine control operating platform lifting, personnel's energy foundation demand is flexibly along pier stud
Under construct, speed of application is fast, efficient, when effectively solving slow traditional construction middle cover boom support installation progress and crane machine-team
Permanent problem ensure that the convenience of operating personnel's mounting bracket.
3, using fold railing, when turning down at right angles fixed, horizontal component can be used as operating platform, be constructor
The operation of member provides the flexibility for cheaply further increasing position movement；
4, dangerous operation is avoided, ensure that the safety of operating personnel's mounting bracket.
Description of the drawings
By being described in detail made by conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
It becoming apparent from and is easier to understand, these attached drawings are only schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the overall structure diagram that bent cap holder of the present invention installs jacking system；
Fig. 2 is the cross-sectional view of A-A sections in Fig. 1；
Fig. 3 is the overlooking structure diagram of operating platform of the present invention；
Fig. 4 is the mounting structure schematic diagram of rubber wheel of the present invention；
Fig. 5 is the overlooking structure diagram of the dynamical system at the top of pier stud of the present invention；
Fig. 6 is the overall structure diagram that platform of the present invention is withheld；
Fig. 7 is the mounting structure schematic diagram that platform of the present invention is withheld；
Fig. 8 is the Construction State figure of personnel of the present invention on the operational platform.
Reference numeral：1- operating platforms, 1.1- panels, 1.2- bottom plates, 1.3- support ribs, 1.4- support posts, 1.5-
Platform withholds, 1.51- connecting cranks, 1.52- eccentrically mounted weights hook, 1.53- iron back of the body rubber system movable plate, 1.54- safety spring bars,
1.6- rubber wheels, 1.7- fastening screws, 1.8- wheel shafts, 1.9- interconnecting pieces, 1.10- shaft bearing plates, 2- dynamical systems, 2.1- elevators
Machine, 2.2- fixing brackets, the horizontal steelframes of 2.21-, 2.22- diagonal braces, 2.3- heavy burdens steel plate, 2.4- pulley blocks, 2.5- load steel cable,
2.6- rubber clip pad, 2.7- resetting springs, 3- folds guardrail, 4- pier studs, the safe steel cables of 5-, 6- safety position limiters, 7- are pre- buried
Anchor.
Specific implementation mode
Hereinafter, bent cap holder installation jacking system and its implementation of application method of the present invention are described with reference to the accompanying drawings
Example.
The embodiment recorded herein is the specific specific implementation mode of the present invention, for illustrating design of the invention,
It is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the application claims and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include any obvious using making for the embodiment to recording herein
The technical solution of substitutions and modifications.The attached drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated
The shape and its correlation of each section.It note that the knot of each component for the ease of clearly showing the embodiment of the present invention
Structure is not drawn according to identical ratio between each attached drawing.Identical reference marker is for indicating identical part.
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.Such as Fig. 1, a kind of bent cap holder installation jacking system, including operating platform 1 and control operate
The dynamical system 2 that platform 1 lifts, Fig. 2 and Fig. 3 are 1 structure chart of operating platform, as shown, the operating platform 1 is by two and half
Annulus platform is put together, and the interconnecting piece 1.9 of split seam crossing is fixed by double high-strength bolt；The operating platform 1 is to enclose
The hollow circuit cylinder table top being arranged around pier stud 4, including horizontally disposed panel 1.1 and bottom plate 1.2, set support rib between the two
1.3 form interlayer, and the rubber wheel 1.6 for moving up and down is fixed in the interlayer, and the structure if Fig. 4 is rubber wheel 1.6 is shown
It is intended to, lower two rubber wheels 1.6 can be installed, the rubber wheel 1.6 is close to the lateral surface setting of pier stud 4, and both sides are by two
Stake rib plate 1.3 is fixedly clamped, and wheel shaft 1.8 is mounted in two support ribs 1.3, and shaft bearing plate 1.10 is installed outside wheel shaft 1.8, separate
The fastening screw 1.7 of pier stud side squeezes shaft bearing plate 1.10 by fastening screw 1.7 and realizes holding out against for rubber wheel 1.6 and pier stud 4
It is fixed, in addition, setting fold guardrail 3 on the operating platform 1, also sets up safety position limiter 6 and safe steel cable 5, the safety
Limiter 6 is set to the bottom of fixing bracket 2.2, and described 5 one end of safe steel cable is fixed on fixing bracket 2.2, and the other end passes through
It is connect with the pre-buried earth anchor 7 for being anchored at ground after safety position limiter 6.
Such as Fig. 1 and Fig. 5, the dynamical system 2 is set to the top of pier stud 4, including hoist engine 2.1, fixing bracket 2.2, cunning
Wheel group 2.4 and load steel cable 2.5, the hoist engine 2.1 and pulley blocks 2.4 are mounted on fixing bracket 2.2, the fixing bracket
2.2 are fixed on pier stud 4；Described 2.5 one end of load steel cable connects hoist engine 2.1, and the other end is by pulley blocks 2.4 and admittedly
The platform being scheduled on operating platform 1 withholds 1.5 connections.The fixing bracket 2.2 by horizontal steelframe 2.21 and bottom diagonal brace
2.22 compositions, the horizontal steelframe 2.21 are set to 4 top of pier stud, and the diagonal brace 2.22 is set to horizontal steelframe bottom, and one end connects
The flat steelframe of water receiving, the other end is adjustable to be fixed on the side of pier stud 4, and stable gusseted is formed.The diagonal brace 2.22 and pier
Rubber clip pad 2.6 is set between column 4.Heavy burden steel plate 2.3 is set between the fixing bracket 2.2 and hoist engine 2.1；The fixing bracket
Resetting spring 2.7 is set between 2.2 horizontal steelframe 2.21 and diagonal brace 2.22.
Such as Fig. 6 and Fig. 7,1.5 patterns are withheld for a kind of platform of embodiment, other samples can be also selected according to actual conditions
Formula, platform is withheld in the interlayer that 1.5 are fixed between panel 1.1 and bottom plate 1.2 in figure, including connecting crank 1.51, bias are matched
Hook 1.52, iron back of the body rubber system movable plate 1.53 and safety spring bar 1.54, connecting crank 1.51 are hingedly connected to panel 1.1 again
Bottom realizes that it does lever motion, outboard end and 1.52 articulated connection of eccentrically mounted weight hook, inside by supporting point of hinged shaft
End is welded and fixed with internal 1.53 back side irony part of iron back of the body rubber system movable plate；1.54 shell of safety spring bar and flat surface
Plate 1.1 is welded and fixed, and interior bar part is articulated and connected with connecting crank 1.51.It is vertical that support is additionally provided between panel 1.1 and bottom plate 1.2
Column 1.4, platform are withheld 1.5 and are located between two support posts 1.4.1.7 outboard end of fastening screw is baffled in Fig. 5, with
Two support ribs 1.3 form the box body structure of inside opening.
When in use, personnel's Construction State such as Fig. 8, specifically used method is such as a kind of above-mentioned bent cap holder installation jacking system
Under：
One, 1 is installed the operating platform
1）Dynamical system 2 is whole to be first hung to pier top 4 by truck crane, and load steel cable 2.5 should be put into corresponding grooving before lifting, pacify
Each steel cable, which naturally droops, when dress is dragged to ground；
2）Pre-buried earth anchor 7 is buckled well, safe steel cable 5 is tensioned；
3）Concatenation platform 1 installs rubber wheel 1.6 and adjusts fastening screw 1.7；
4）Snapping platform withholds 1.5, tensioning load steel cable 2.5；
5）Start hoist engine 2.1, the unloaded safety inspection of progress is moved up and down to operating platform 1；
6）After unloaded safety inspection passes through, personnel remove truck crane suspension hook by operating platform 1 and fold guardrail 3；
When bent cap holder is installed two,
1）Anchor ear is installed and when sandbox, anchor ear and sandbox are placed directly on operating platform 1 and people be transported to together predetermined altitude into
Row installation；
2）When Bailey beam is installed, Bailey beam is transported to predetermined altitude using truck crane and is installed, personnel are by operating platform 1 and turn over
About 3 guardrail is rolled over to construct；
When bent cap skeleton is installed three,
1）Personnel climb by fold guardrail 3 to installation truck crane suspension hook on the fixing bracket 2.2 at 4 top of pier stud, and subsequent personnel move back
To ground, after the connection for releasing each steel cable, fixing bracket 2.2 is removed with truck crane；
2）Truck crane steel cable is connect with operating platform 1, moving up and down for operating platform 1 is carried out using crane hoisting machine；
3）Unloaded safety inspection is carried out, the errorless rear of safety inspection can be used；
Four, when dismantling operation platform：Personnel retreat to ground by operating platform 1, and dismantling operation is flat after releasing the connection of each steel cable
Platform.
（Five）, occur safety failure when：
1）When load steel cable 2.5 is broken, safety spring bar 1.54 extends, and eccentrically mounted weight hook 1.52 falls, the company of drive
The rotation of crank 1.51 is connect, so that iron back of the body rubber system movable plate 1.53 is pushed down pier stud, prevents platform from falling by friction；
2）When load 2.5 both sides displacement of steel cable is asynchronous, hoist engine 2.1 passes through electronic system adjust automatically.
3）When operating platform 1, which rises height, to meet safety requirements, safety position limiter 6 will be stuck, does not allow
Load steel cable 2.5 continues that operating platform 1 is driven to rise.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bent cap holder installs jacking system, it is characterised in that：Including operating platform（1）With control operating platform（1）It rises
The dynamical system of drop（2）, the operating platform（1）It is to surround pier stud（4）The hollow circuit cylinder table top of setting, including it is horizontally disposed
Panel（1.1）And bottom plate（1.2）, support rib is set between the two（1.3）Interlayer is formed, is fixed in the interlayer for up and down
Mobile rubber wheel（1.6）；The dynamical system（2）Set on pier stud（4）Top, including hoist engine（2.1）, fixing bracket
（2.2）, pulley blocks（2.4）With load steel cable（2.5）, the hoist engine（2.1）And pulley blocks（2.4）Mounted on fixing bracket
（2.2）On, the fixing bracket（2.2）It is fixed on pier stud（4）On；The load steel cable（2.5）One end connects hoist engine
（2.1）, the other end passes through pulley blocks（2.4）Be fixed on operating platform（1）On platform withhold（1.5）Connection.
2. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：The rubber wheel（1.6）
It is close to pier stud（4）Lateral surface setting, both sides are by two support ribs（1.3）It is fixedly clamped, wheel shaft（1.8）Mounted on two supports
Floor（1.3）On, wheel shaft（1.8）Connect shaft bearing plate（1.10）, shaft bearing plate（1.10）Fastening screw is set far from pier stud side
（1.7）, realize rubber wheel（1.6）With pier stud（4）Hold out against fixation.
3. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：The fixing bracket
（2.2）By horizontal steelframe（2.21）With the diagonal brace of bottom（2.22）Composition, the horizontal steelframe（2.21）Set on pier stud（4）Top
Portion, the diagonal brace（2.22）Set on horizontal steelframe bottom, one end connects horizontal steelframe, and the other end is adjustable to be fixed on pier stud（4）
Side on, form stable gusseted.
4. a kind of bent cap holder according to claim 3 installs jacking system, it is characterised in that：The diagonal brace（2.22）With
Pier stud（4）Between set rubber clip pad（2.6）.
5. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：The fixing bracket
（2.2）With hoist engine（2.1）Between set heavy burden steel plate（2.3）；The fixing bracket（2.2）Horizontal steelframe（2.21）And diagonal brace
（2.22）Between set resetting spring（2.7）.
6. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：The platform is withheld
（1.5）It is fixed on panel（1.1）And bottom plate（1.2）Between interlayer in, including connecting crank（1.51）, eccentrically mounted weight hook
（1.52）, iron carry on the back rubber system movable plate（1.53）And safety spring bar（1.54）, the connecting crank（1.51）It is hingedly connected to face
Plate（1.1）Bottom, realize that it does lever motion using hinged shaft as supporting point, outboard end is linked up with eccentrically mounted weight（1.52）Hinge
It connects in succession, medial end carries on the back rubber system movable plate with the internal iron（1.53）Back side irony part is welded and fixed；The safety
Spring lever（1.54）Shell and platform panel（1.1）It is welded and fixed, interior bar part and connecting crank（1.51）Articulated connection.
7. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：The panel（1.1）With
Bottom plate（1.2）Between be additionally provided with support post（1.4）, the platform withholds（1.5）It is located in two support posts（1.4）It
Between.
8. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：The operating platform（1）
It is put together by two semicircular ring platforms, the interconnecting piece of split seam crossing（1.9）It is fixed by double high-strength bolt；The operation
Platform（1）Upper setting turns down guardrail（3）.
9. a kind of bent cap holder according to claim 1 installs jacking system, it is characterised in that：It further include safety position limiter
（6）With safe steel cable（5）, the safety position limiter（6）Set on fixing bracket（2.2）Bottom, the safe steel cable（5）One end
It is fixed on fixing bracket（2.2）On, the other end passes through safety position limiter（6）Afterwards with the pre-buried earth anchor that is anchored at ground（7）Connection.
10. a kind of a kind of application method of bent cap holder installation jacking system as described in any one of claim 1 to 9, special
Sign is：
（One）, install the operating platform（1）When
1）Dynamical system（2）It is whole that pier top is first hung to by truck crane（4）, load steel cable（2.5）Corresponding rope should be put into before lifting
In slot, each steel cable naturally drooped and was dragged to ground when installation；
2）Buckle well pre-buried earth anchor（7）, it is tensioned safe steel cable（5）；
3）Concatenation platform（1）, rubber wheel is installed（1.6）And adjust fastening screw（1.7）；
4）Snapping platform is withheld（1.5）, tensioning load steel cable（2.5）；
5）Start hoist engine（2.1）, to operating platform（1）Move up and down the unloaded safety inspection of progress；
6）After unloaded safety inspection passes through, personnel are by operating platform（1）With fold guardrail（3）Remove truck crane suspension hook；
（Two）, installation bent cap holder when
1）When installing anchor ear and sandbox, anchor ear and sandbox are placed directly in operating platform（1）Upper and people is transported to predetermined altitude together
It is installed；
2）When Bailey beam is installed, Bailey beam is transported to predetermined altitude using truck crane and is installed, personnel pass through operating platform（1）With
Turn down guardrail（3）Construction up and down；
（Three）, installation bent cap skeleton when
1）Personnel are by fold guardrail（3）It climbs to pier stud（4）The fixing bracket at top（2.2）Upper installation truck crane suspension hook, then
Personnel retreat to ground, after the connection for releasing each steel cable, with truck crane by fixing bracket（2.2）It removes；
2）By truck crane steel cable and operating platform（1）Connection carries out operating platform using crane hoisting machine（1）Move up and down；
3）Unloaded safety inspection is carried out, the errorless rear of safety inspection can be used；
（Four）, dismantling operation platform when：Personnel pass through operating platform（1）Ground is retreated to, behaviour is removed after releasing the connection of each steel cable
Make platform；
（Five）, occur safety failure when：
1）When load steel cable（2.5）When being broken, safety spring bar（1.54）Elongation, eccentrically mounted weight hook（1.52）It falls,
Drive connecting crank（1.51）Rotation makes iron carry on the back rubber system movable plate（1.53）Pier stud is pushed down, prevents platform from falling by friction；
2）When load steel cable（2.5）When both sides displacement is asynchronous, hoist engine（2.1）Pass through electronic system adjust automatically；
3）Work as operating platform（1）When safety requirements cannot be met by rising height, safety position limiter（6）Will be stuck, do not allow
Load steel cable（2.5）Continue to drive operating platform（1）Rise.
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|---|---|---|---|
| CN201810413190.8A CN108342990A (en) | 2018-05-03 | 2018-05-03 | A kind of bent cap holder installation jacking system and its application method |
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|---|---|---|---|
| CN201810413190.8A CN108342990A (en) | 2018-05-03 | 2018-05-03 | A kind of bent cap holder installation jacking system and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106775A (en) * | 2019-04-01 | 2019-08-09 | 安徽省公路桥梁工程有限公司 | Prefabricated PC calf support and its construction method |
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