CN108660928A - Bridge high pier climbing formwork lifting device - Google Patents

Bridge high pier climbing formwork lifting device Download PDF

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Publication number
CN108660928A
CN108660928A CN201810286985.7A CN201810286985A CN108660928A CN 108660928 A CN108660928 A CN 108660928A CN 201810286985 A CN201810286985 A CN 201810286985A CN 108660928 A CN108660928 A CN 108660928A
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China
Prior art keywords
commutating box
block
ratchet
box
commutating
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Granted
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CN201810286985.7A
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CN108660928B (en
Inventor
陈虎
侯振斌
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China 19th Metallurgical Group Co ltd
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China 19th Metallurgical Group Co ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to the technical field of bridge high pier climbing formwork turning and lifting devices, and provides a bridge high pier climbing formwork lifting device which comprises a guide rail; the guide rail is connected with a telescopic device, a first reversing box and a second reversing box in a sliding way; the first reversing box is detachably connected with the telescopic device; the second reversing box is connected with the telescopic device through a lifting driving device; a plurality of stop blocks are arranged on the guide rail; ratchets are arranged in the first reversing box and the second reversing box; the first reversing box and the second reversing box are both in two states, namely an upward walking state and a downward walking state; when the reversing box is in an upward walking state, the lower end of the ratchet is in clamping fit with the top of the stop block; when the reversing box is in a downward walking state, the upper end of the ratchet is in clamping fit with the bottom of the stop block. The lifting device for the climbing formwork overturning of the high pier of the bridge can respectively lift the formwork system and the support system without other lifting equipment, and is convenient to operate and high in construction efficiency.

Description

Bridge High-pier turns over creeping formwork lifting device
Technical field
The present invention relates to Bridge High-piers to turn over mould crawling technology field, and especially a kind of Bridge High-pier turns over creeping formwork lifting device.
Background technology
Well known, the method for Bridge High-pier template construction has at present:Slding form operation, climbing formwork for construction, sliding turn over combine construction, climb It turns in conjunction with construction, over-form construction, holder over-form construction.Sliding formwork, creeping formwork are slided and turn over combination, climb and turn in conjunction with these types of construction method skill It is both needed to that load-carrying member of the special embedded part as climbing shuttering when is installed in the bridge pier concrete of construction in art.These embedded part quality And moulding process requires height, installation registration is stringent, and embedded part construction is interfered with each other with the construction of pier stud other processes, these are special Embedded part can only be disposable, is unable to repetitive cycling use.In addition to the above drawbacks, sliding formwork, the sliding combination technology that turns over are strict with bridge Pier surrounding template synchronous is sliding, and construction is to equipment, the requirement of pouring concrete setting time and personnel is high, and formwork rigidity is small, Surface Quality of Concrete is poor;Climbing frame the Turnover Form Construction Technology need to reserve more hole in the concrete poured, and formwork rigidity is small, Surface Quality of Concrete is poor, and upper beam, which passes through performance of concrete column confined headspace to be poured, makes bridge pier reinforcement construction be interfered, template Rigidity is small, and Surface Quality of Concrete is poor, and climbing frame lifting operations are complicated, and construction personnel is more, and synchronism requires high;Climbing formwork for construction is to special Required with embedded part quality and installation quality very tight, repeatedly occur safety accident caused by embedded part destroys in construction embodiment, creeping formwork with Pre-buried climbs cone number and the single safeguard measure for climbing cone bearing capacity as safety, and measure is single, climbs cone quality and unbalance stress Easily cause safety accident.Creeping formwork need to consider concrete strength when swashing.
Traditional over-form construction needs tower crane or truck crane to turn over a liter power as template, and safe thing easily occurs during form removal Therefore.Holder overmolded is both needed to use tower crane lifting bracket, and safe operation risk is big, and it is empty that rack beam occupies pouring concrete pier top portion Between, each process interferes with each other.Above-mentioned various templates cannot be used in turn completely mostly, can only be partly used in turn, this waste Seriously, it is the circulation material of real meaning to make template not.
Authorization Notice No. is CN105839542B, and authorized announcement date is that on 09 15th, 2017 Chinese invention patents disclose A kind of Bridge High-pier is from rising outrigger turning-over, including support arm system, telescopic device, upper former system and lower template System;The upper former system is located at the top of lower template system;The upper former system and lower template system are equal The template that Bridge High-pier pours into a mould chamber is surrounded including one layer;On the template outer surface of the upper former system and lower template system It is both provided with and reinforces horizontal back cord;The horizontal back cord of reinforcement in adjacent two pieces of templates is connected by reinforcing horizontal back cord connector, It is held tightly in the outer surface of template so that reinforcing horizontal back cord;The top and bottom of described every piece of template of upper former system are both provided with Support arm system;The support arm system includes crank arm crossbeam, straight crossbeam, vertical nose girder;The straight crossbeam both ends are both provided with It cranks arm crossbeam;Described crossbeam one end of cranking arm is connect with horizontal back cord is reinforced, and the other end is connect with straight crossbeam;The straight crossbeam and template Between have spacing;The crossbeam of cranking arm, straight crossbeam and the horizontal back cord of reinforcement surround the template that template may pass through and promote section;Institute Vertical nose girder is stated to be arranged in the outside of template;The vertical nose girder extends to upper former system by the lower end of lower template system Top, and the length of the vertical nose girder be more than three times template height;The vertical nose girder is fixedly connected with straight crossbeam;Institute Telescopic device is stated to be arranged between vertical nose girder and template;Described telescopic device one end and the company of sliding on vertical nose girder vertical direction It connects, the other end is detachably connected with template.The lifting device that driving telescopic device slides up and down is provided on the vertical nose girder.
The when of turning over climbing formwork for construction is carried out using above-mentioned apparatus to have the following problems:
1, telescopic device is during use, it is necessary to using double Guide beam structures, telescopic device be mounted on two nose girders it Between;Such Guide beam structure is not only fixed to bother, but also weight is big;During promoting nose girder holder, due to the weight of nose girder It measures heavier, not only needs the power of bigger, but also increase security risk;2, in order to which the telescopic rod ensured in telescopic device has foot Enough extendable rooms, and telescopic device is not interferenceed during moving up and down with other structures, is fixed to two nose girders When connection, it is necessary to which, using the reinforcement back cord of multiple U-shaped structures, two connecting pins that each U-shaped reinforces back cord are led with one respectively Beam is fixedly connected, and telescopic rod moves in the space between two connecting pins that U-shaped reinforces back cord, and U-shaped reinforces the length of back cord Degree is associated with the collapsing length of telescopic rod;U-shaped is set and reinforces back cord, does not only take up the space after nose girder, and further increase The weight for having added Guide beam structure further increases security risk when promoting Guide beam structure;And U-shaped reinforces the length of back cord Degree is longer, then the distance of its center of gravity to nose girder is remoter, and U-shaped reinforcement back cord is bigger to the bending load of nose girder, is being promoted There are the risks of unstability during nose girder;3, lifting device is mounted on vertical nose girder, is only capable of gliding on driving telescopic device It is dynamic;When needing to promote Guide beam structure, it is necessary to which another lifting device is set on template system, and not only operation is numb in this way It is tired, and the heavy workload of worker, versatility are poor.Therefore, it is necessary to be turned over to Bridge High-pier in the prior art from outrigger is risen Mold device is improved.
Invention content
The technical problem to be solved by the present invention is to:There is provided it is a kind of can climbing shuttering system but also lifting bracket system Bridge High-pier turns over creeping formwork lifting device.
The technical solution adopted by the present invention to solve the technical problems is:Bridge High-pier turns over creeping formwork lifting device, including leads Rail;Telescopic device, the first Commutating box and the second Commutating box are slidably connected on guide rail;The first Commutating box setting is in flexible dress The top set;Second Commutating box is arranged in the lower section of telescopic device;First Commutating box and telescopic device are detachably connected;Second Commutating box is connect by lifting drive with telescopic device;Several blocks are provided on the guide rail;First commutation It is both provided with rotatable ratchet in box and the second Commutating box;First Commutating box and the second Commutating box all have two shapes State is upward walking states and downward walking states respectively;When the first Commutating box, the second Commutating box are in upward walking states When, the lower end of ratchet and the top of block are engaged by clamping;When the first Commutating box, the second Commutating box are in downward walking states, The upper end of ratchet and the bottom of block are engaged by clamping.
Further, it is horizontally arranged with rotatable shaft in first Commutating box and the second Commutating box;In shaft It is set with rotatable ratchet;The spring being sleeved in shaft is provided between ratchet and shaft;One end of shaft, which is equipped with, to be changed To handle;The first limited post and the second limited post are both provided on the outer wall of first Commutating box and the second Commutating box;When commutation hand When handle is stuck on the first limited post, the upper end of ratchet and the bottom of block are engaged by clamping;When reversing handle is stuck in the second limited post When upper, the lower end of ratchet and the top of block are engaged by clamping.
Further, the telescopic device includes block and telescopic arm;The side of the block is provided with telescopic arm;It is described Telescopic arm is slidably matched with block;The rear end of the block is provided with rail limiting device;The rail limiting device includes perpendicular To a pair of of the seat board being arranged in block rear end;On the medial surface of each seat board, along being provided with perpendicular to the direction of telescopic arm axis At least two groups position-limited wheel group;Every group of position-limited wheel group includes the outer guide wheel of track inner guide pulley and track, the peripheral surface of track inner guide pulley and There is track installation gap between the peripheral surface of the outer guide wheel of track.
Further, the telescopic arm includes the supporting beam being arranged in block side;Supporting beam is slidably matched with block;Institute It states and is additionally provided with retractable driving device in supporting beam.
Further, it is both provided with supporting beam on two sides of the block;Two supporting beams are arranged in parallel and difference It is slidably matched with block;Two supporting beams are fixedly connected.
Further, the side of the block is fixed with limiting plate;The supporting beam is slidably arranged in block and limiting plate Between;It is provided at least two lower layers positioning runner between the limiting plate and the side of block and the positioning of at least two upper layers turns Wheel;The outer circumference surface of each lower layer's positioning runner and the lower surface of supporting beam are in rolling contact;The outer circle of each upper layer positioning runner The upper surface of circumferential surface and supporting beam is in rolling contact.
Further, it is additionally provided with the driving that driving ratchet rotates respectively on first Commutating box and the second Commutating box Part.
Further, the actuator is hydraulic cylinder.
Further, another telescopic device below the second Commutating box is also slidably connected on the guide rail, two A telescopic device is connected.
Further, manual anti-fall Commutating box is also slidably connected on the guide rail;It is described manually anti-fall Commutating box with stretch Compression apparatus is fixedly connected;It is horizontally arranged with rotatable shaft in the anti-fall Commutating box manually;It is set in shaft rotatable Ratchet;The spring being sleeved in shaft is provided between ratchet and shaft;One end of shaft is equipped with reversing handle;It is anti-manually It falls and is provided with the first limited post and the second limited post on the outer wall of Commutating box;When reversing handle is stuck on the first limited post, spine The upper end of tooth and the bottom of block are engaged by clamping;When reversing handle is stuck on the second limited post, the lower end of ratchet and block Bottom is engaged by clamping.
The beneficial effects of the invention are as follows:Bridge High-pier of the present invention turns over creeping formwork lifting device, in use, being with guide rail Support, controls two Commutating boxs and is in upward walking states simultaneously, then controls lifting drive extended travel and retraction is gone Journey can be such that telescopic device moves up;Two Commutating boxs of control are alternately in upward walking states and downward walking states, so Lifting drive extended travel and retract stroke are controlled afterwards, telescopic device can be made to move down.It is same to control two Commutating boxs When be in downward walking states, be support with telescopic device, control lifting drive extended travel and retract stroke, can make Guide rail moves up.Bridge High-pier of the present invention turns over creeping formwork lifting device, when carrying out turning over climbing formwork for construction, by template with stretch Compression apparatus is fixedly connected, and guide rail is fixedly connected with stent system, additional hanging device is not needed, is able to climbing shuttering System and stent system, easy to operate, construction efficiency is high.
Description of the drawings
Fig. 1 is that the Bridge High-pier of the present invention turns over the stereogram of creeping formwork lifting device;
Fig. 2 is that the Bridge High-pier of the present invention is turned over structure of the creeping formwork lifting device on the template system and stent system and shown It is intended to;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is that the Bridge High-pier of the present invention turns over the original state figure that creeping formwork lifting device begins to ramp up cyclic process;
Fig. 5 is that the Bridge High-pier of the present invention turns over creeping formwork lifting device one of lifting drive in rising cyclic process State diagram after the completion of extended travel;
Fig. 6 be the present invention Bridge High-pier turn over creeping formwork lifting device lifting drive in declining cyclic process prepare into The state diagram of row retract stroke;
Fig. 7 be the present invention Bridge High-pier turn over creeping formwork lifting device lifting drive in declining cyclic process prepare into The state diagram of row extended travel;
Fig. 8 is that the Bridge High-pier of the present invention turns over the stereogram of the first Commutating box in creeping formwork lifting device, the second Commutating box;
Fig. 9 is the front view of Fig. 8;
Figure 10 is that the Bridge High-pier of the present invention turns over the stereogram of telescopic device in creeping formwork lifting device;
Figure 11 is that the Bridge High-pier of the present invention turns over stereogram of the telescopic device on guide rail in creeping formwork lifting device;
Figure 12 is the vertical view of Figure 11;
Figure 13 is that the Bridge High-pier of the present invention turns over the stereogram of manual anti-fall Commutating box in creeping formwork lifting device;
Figure 14 is the front view of Figure 13.
Reference numeral is in figure:1- stent systems, 2- upper former systems, 3- lower template systems, 10- guide rails, 11- are bent Arm crossbeam, the straight crossbeams of 12-, 20- telescopic devices, 21- templates, 22- reinforce horizontal back cord, and 23- reinforces horizontal back cord connector, 24- moulds Plate promotes section, the first Commutating boxs of 30-, 40- lifting drives, 50- anti-fall Commutating boxs manually, the second Commutating boxs of 60-, 101- Block, 201- blocks, 202- telescopic arms, 203- seat boards, 204- position-limited wheel groups, 205- limiting plates, 206- lower layers position runner, The upper layers 207- positioning runner, 301- shafts, 302- ratchets, 303- springs, the first limited posts of 304-, the second limited posts of 305-, 306- reversing handles, 307- actuators, 308- connecting bolts, 309- spring stop pieces, 310- arc grooves, 2021- supporting beams, 2022- retractable driving devices, 2041- track inner guide pulleys, the outer guide wheel of 2042- tracks.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Fig. 1 to Figure 14, Bridge High-pier of the present invention turns over creeping formwork lifting device, including guide rail 10;Guide rail 10 On slidably connect telescopic device 20, the first Commutating box 30 and the second Commutating box 60;The setting of first Commutating box 30 is flexible The top of device 20;Second Commutating box 60 is arranged in the lower section of telescopic device 20;First Commutating box 30 and telescopic device 20 are removable It connects with unloading;Second Commutating box 60 is connect by lifting drive 40 with telescopic device 20;If being provided on the guide rail 10 Dry block 101;It is both provided with rotatable ratchet 302 in first Commutating box, 30 and second Commutating box 60;Described first Commutating box 30 and the second Commutating box 60 all have two states, are upward walking states and downward walking states respectively;When first When Commutating box 30, the second Commutating box 60 are in upward walking states, the lower end of ratchet 302 is engaged by clamping with the top of block 101; When the first Commutating box 30, the second Commutating box 60 are in downward walking states, the upper end of ratchet 302 and the bottom card of block 101 Connect cooperation.
Guide rail 10 is vertically arranged, and telescopic device 20, the first Commutating box 30 and the second Commutating box 60 are slidably connected at lead respectively On rail 10;First Commutating box 30 and the second Commutating box 60 can be arranged simultaneously in the top of telescopic device 20, can also set simultaneously It sets in the lower section of telescopic device 20;Preferably, as shown in Figure 1, the first Commutating box 30 is arranged in the upper of telescopic device 20 Side, the second Commutating box 60 are arranged in the lower section of telescopic device 20.
The lifting drive 40 is power plant, and the purpose is to drive telescopic device 20 to be moved up and down along guide rail 10; The lifting drive 40 can be cylinder, screw lift structure etc., and preferably, the lifting drive 40 is Hydraulic cylinder;
The top of the block 101 has the supporting surface coordinated with 302 lower end of ratchet, and the bottom of block 101 has and spine The promotion face of 302 upper end of tooth cooperation.For sake of convenience, the first Commutating box 30 and the second Commutating box 60 are referred to as Commutating box, changed To box when being slided on guide rail 10, it is divided into two states, is upward walking states and downward walking states respectively;At Commutating box When upward walking states, Commutating box can be along 10 upward sliding of guide rail, after the ratchet 302 in Commutating box crosses block 101, spine The lower end of tooth 302 is stuck on the supporting surface at the top of block 101, by the cooperation at the top of the lower end and block 101 of ratchet 302, It can prevent Commutating box from falling downwards.When Commutating box is in downward walking states, Commutating box can be along 10 slide downward of guide rail, when changing After ratchet 302 into box crosses block 101, the upper end of ratchet 302 is stuck on the promotion face of 101 bottom of block, passes through ratchet The cooperation of 302 upper end and 101 bottom of block can drive guide rail 10 to move upwardly together when Commutating box moves up.
The Bridge High-pier of the present invention turns over creeping formwork lifting device, and the position for controlling guide rail 10 first is constant, controls two commutations Box is in upward walking states simultaneously, then controls 40 extended travel of lifting drive and retract stroke, can make flexible dress 20 are set to move up;Two Commutating boxs of control are alternately in upward walking states and downward walking states, and then control lifting is driven Dynamic 40 extended travel of device and retract stroke, can be such that telescopic device 20 moves down.Then the position of telescopic device 20 is controlled It is constant, it controls two Commutating boxs and is in downward walking states simultaneously, be support with telescopic device 20, control lifting drive 40 Extended travel and retract stroke can be such that guide rail 10 moves up.Bridge High-pier of the present invention turns over creeping formwork lifting device, When carrying out turning over climbing formwork for construction, template 21 is fixedly connected with telescopic device 20, guide rail 10 is fixedly connected with stent system 1, no Additional hanging device is needed, climbing shuttering 21 and stent system 1 are able to, easy to operate, construction efficiency is high.
First Commutating box 30 and the second Commutating box 60 can not only slide on guide rail 10, and in climbing shuttering system and It is also acted as in stent system 1 and plays fulcrum;Preferably, in first Commutating box, 30 and second Commutating box 60 It is horizontally arranged with rotatable shaft 301;Rotatable ratchet 302 is set in shaft 301;Between ratchet 302 and shaft 301 It is provided with the spring 303 being sleeved in shaft 301;One end of shaft 301 is equipped with reversing handle 306;First Commutating box, 30 He The first limited post 304 and the second limited post 305 are both provided on the outer wall of second Commutating box 60;When reversing handle 306 is stuck in When on one limited post 304, the upper end of ratchet 302 is engaged by clamping with the bottom of block 101;When reversing handle 306 is stuck in the second limit When on the column 305 of position, the lower end of ratchet 302 is engaged by clamping with the top of block 101.
Shaft 301 can rotate in Commutating box, and ratchet 302 can rotate in shaft 301.When reversing handle 306 is stuck in When on two limited posts 305, shaft 301 drives spring 303 to generate elastic force, and ratchet 302 is made to rotate, the lower end of ratchet 302 and guide rail 10 surface or the surface contact of block 101, when Commutating box upward sliding on guide rail 10, ratchet 302 crosses block 101 Afterwards, under the action of 303 elastic force of spring, the lower end of ratchet 302 is stuck in the top of block 101.When reversing handle 306 is stuck in first When on limited post 304, shaft 301 drives spring 303 to generate elastic force, and ratchet 302 is made to rotate, upper end and the guide rail 10 of ratchet 302 Surface or block 101 surface contact, when Commutating box slide downward on guide rail 10, after ratchet 302 crosses block 101, Under the action of 303 elastic force of spring, the upper end of ratchet 302 is stuck in the bottom of block 101.The Commutating box can also be other Structure is additionally provided with hydraulic cylinder for example, ratchet 302 is arranged in Commutating box on Commutating box, hydraulic cylinder is connect with ratchet 302, leads to Driven by Hydraulic Cylinder ratchet 302 is crossed to rotate in Commutating box.
Fig. 2 and Fig. 3 show Bridge High-pier using the present invention and turns over the structure that climbing apparatus is turned in the promotion of creeping formwork lifting device Schematic diagram;It includes stent system 1, upper former system 2 and lower template system 3 to turn over climbing apparatus, and upper former system 2 is located at The top of lower template system 3.Upper former system 2 and lower template system 3 surround Bridge High-pier including one layer and pour chamber Template 21;It is both provided on 21 outer surface of template of upper former system 2 and lower template system 3 and reinforces horizontal back cord 22;Phase The horizontal back cord 22 of the reinforcement in adjacent two pieces of templates 21 passes through the horizontal connection of back cord connector 23 of reinforcement so that reinforces horizontal back cord 22 and embraces Tightly in the outer surface of template 21.
It is both provided with stent system 1, stent system 1 on the top and bottom of the every piece of template 21 of the upper former system 2 Including crossbeam 11 and the straight crossbeam 12 of cranking arm;The both ends of the straight crossbeam 12 are both provided with crossbeam 11 of cranking arm;The crossbeam 11 of cranking arm One end connect with horizontal back cord 22 is reinforced, the other end is connect with straight crossbeam 12;Between having between the straight crossbeam 12 and template 21 Away from;The crossbeam 11 of cranking arm, straight crossbeam 12 and reinforce horizontal back cord 22 and surround the template for making template 21 may pass through promoting section 24.
The horizontal back cord 22 of reinforcement in adjacent two pieces of templates 21 passes through the horizontal connection of back cord connector 23 of reinforcement so that reinforces Horizontal back cord 22 is held tightly in the outer surface of upper former system 2 and the template 21 of lower template system, is in order to after the completion of pouring Enable 21 lock ring of template on concrete, to provide support force for the follow-up template 21 for promoting lower layer.
It is as follows that Bridge High-pier using the present invention turns over the step of creeping formwork lifting device climbing shuttering system and stent system 1:
1, installation Bridge High-pier turns over creeping formwork lifting device;
First Commutating box 30 and the second Commutating box 60 are slidably mounted on guide rail 10, one end of telescopic device 20 is slided On guide rail 10;First Commutating box 30 is connect with telescopic device 20;Second Commutating box 60 is connect with retractable driving device 40; Retractable driving device 40 is connect with telescopic device 20;The guide rail 10 extends to upper former by the lower end of lower template system 3 The top of system 2, and the length of the guide rail 10 is more than the height of three times template 21;Guide rail 10 is mounted on the outer of template 21 Side and guide rail 10 is fixedly connected with the straight crossbeam 12 with stent system 1;
2, form removal and overmolded are carried out to lower template system 3
Telescopic device 20 is connect with the template 21 of lower template system 3;Specifically by telescopic device 20 and lower template The horizontal back cord of reinforcement in the template 21 of system 3 22 is fixedly connected.
As shown in figure 4, the reversing handle 306 on the first Commutating box 30 and the second Commutating box 60 is stuck in the second limited post On 305, the lower end of the ratchet 302 on the second Commutating box 60 is set to be stuck in the top of 10 upper stopper 101 of guide rail, the position is as load-bearing Fulcrum;
Remove the horizontal back cord connector of reinforcement between 3 adjacent two pieces of templates 21 of lower template system 23 so that template 21 can To be detached from from concrete.Then start telescopic device 20 so that telescopic device 20 is shunk, to be detached from lower layer with moving platen 21 Concrete so that template 21 is located at template and is promoted in section 24;
Start lifting drive 40,40 extended travel of lifting drive, and then telescopic device 20 and first is driven to change It is moved up to box 30, template 21 is made to move up;
As shown in figure 5, after the completion of an extended travel of lifting drive 40, the ratchet 302 of the first Commutating box 30 Lower end is stuck in the top of 10 upper stopper 101 of guide rail, and the position is as new load-bearing fulcrum at this time;The retraction row of lifting drive 40 Journey, and then the second Commutating box 60 is driven to move up;
After a retract stroke of lifting drive 40, the lower end of the ratchet 302 of the second Commutating box 60 is stuck in The top of 10 upper stopper 101 of guide rail controls the cycle of lifting drive 40 and carries out extended travel and retract stroke, at this time until inciting somebody to action The template 21 of lower template system 3 turns over the top specified position for being raised to upper former system 2;Then start telescopic device 20 to make Telescopic device 20 extends, to which template 21 to be moved on corresponding position, by lower template system 3 in upper former system 2 Top reinstalled, the horizontal back cord of reinforcement in two pieces of adjacent templates 21 22 is consolidated by reinforcing horizontal back cord connector 23 Fixed connection;Then third layer concrete is poured.
3, stent system 1 is promoted
First so that telescopic device 20 is fixed on the template for turning over the lower template system 3 for being raised to 2 top of upper former system On 21;Telescopic device 20 plays stress supporting role at this time;The reversing handle 306 of first Commutating box 30 is stuck in the first limited post On 305;So that the upper end of the ratchet 302 of the first Commutating box 30 is stuck in the bottom of block 101;Using the position as load-bearing fulcrum;It will Crossbeam 11 of cranking arm is dismantled with the connection for reinforcing horizontal back cord 22, then starts telescopic device 20 so that telescopic device 20 extends so that Crossbeam 11 of cranking arm, which is detached from, reinforces horizontal back cord 22;
Then the reversing handle 306 of the second Commutating box 60 is stuck on the first limited post 304;Start lifting drive 40,40 extended travel of lifting drive, and then the second Commutating box 60 is driven to move down;
After the completion of one extended travel of lifting drive 40, the upper end card of the ratchet 302 of the second Commutating box 60 made In the bottom of block 101, the position becomes new promotion fulcrum at this time;40 retract stroke of lifting drive, is changed by second It drives guide rail 10 to move up to box 60, and then stent system 1 is driven to move up;
After the completion of one retract stroke of lifting drive 40, the upper end of the ratchet 302 of the first Commutating box 30 is stuck in gear The bottom of block 101 controls the cycle of lifting drive 40 and carries out extended travel and retract stroke at this time, until by stent system 1 Defined position is promoted, then starts telescopic device 20 so that telescopic device 20 is shunk so that crossbeam 11 of cranking arm is horizontal with reinforcement Back cord 22 contacts, and the horizontal back cord of crank arm crossbeam 11 and reinforcement in the template 21 of lower template system 3 in stent system 1 22 is consolidated Fixed connection, to complete, stent system 1 is whole to be promoted.
4, form removal and overmolded are carried out to upper former system 2
As shown in fig. 6, start lifting drive 40,40 extended travel of lifting drive, make the second Commutating box 60 to The reversing handle 306 of second Commutating box 60 after the completion of one extended travel of lifting drive 40, is stuck in second by lower movement On limited post 305, the lower end of the ratchet 302 of the second Commutating box 60 is made to be stuck in the top of block 101;Then telescopic device 20 is released With being fixedly connected for the template 21 of lower template system 3;Then start telescopic device 20 so that the contraction of telescopic device 20, makes to stretch Device 20 is detached from the template 21 of lower template system 3;
Then using the clamping position of the ratchet 302 of the second Commutating box 60 and block 101 as load-bearing fulcrum, lifting drive 40 retract strokes, under gravity, telescopic device 20 are moved down with the first Commutating box 30;
After the completion of one retract stroke of lifting drive 40, the reversing handle 306 of the first Commutating box 30 is stuck in On two limited posts 305, the lower end of the ratchet 302 of the first Commutating box 30 is made to be stuck in the top of block 101;The position becomes new and holds Weight fulcrum, the reversing handle 306 of the second Commutating box 60 is stuck on the first limited post 304,40 extended travel of lifting drive, The second Commutating box 60 is driven to move downward;
After the completion of one extended travel of lifting drive 40, the reversing handle 306 of the second Commutating box 60 is stuck in On two limited posts 305, the lower end of the ratchet 302 of the second Commutating box is made to be stuck in the top of block 101;The position becomes new load-bearing Then the reversing handle 306 of first Commutating box 30 is stuck on the first limited post 304 by fulcrum;
It is recycled according to aforesaid operations process, telescopic device 20 is made to be moved down on guide rail 10, until telescopic device 20 drop to the position of upper former system 3;Then start telescopic device 20 so that telescopic device 20 extends, by telescopic device 20 It is fixedly connected with the template 21 of upper former system 3;
Then according to the operation of step 2, form removal and the overmolded of upper former system 2 can be completed.
In conclusion Bridge High-pier of the present invention turns over creeping formwork lifting device, without in template system or stent system 1 Upper other hanging devices of installation, can be achieved with the promotion to template system and stent system 1, simple in structure, easy to operate, safety Spend higher.
The main function of the telescopic device 20 be template 21 is dismantled, while enable dismounting after 21 water of template The flat template that is moved to promotes section 24;Various structures may be used in the telescopic device 20, such as directly use hydraulic cylinder, by liquid One end of cylinder pressure is slidably connected with guide rail 10, and the other end is detachably fixed with template 21 and connect.
Easy to operation in order to reduce cost, preferably, the telescopic device 20 includes block 201 and telescopic arm 202;The side of the block 201 is provided with telescopic arm 202;The telescopic arm 202 is slidably matched with block 201;The block 201 rear end is provided with rail limiting device;The rail limiting device includes a pair of of the seat for being vertically provided at 201 rear end of block Plate 203;On the medial surface of each seat board 203, along being provided at least two groups position-limited wheel group perpendicular to the direction of 202 axis of telescopic arm 204;Every group of position-limited wheel group 204 includes track inner guide pulley 2041 and the outer guide wheel 2042 of track, the peripheral surface of track inner guide pulley 2041 And there is track installation gap outside track between the peripheral surface of guide wheel 2042.
The block 201 is the cube structure being welded by upper wall, lower wall, antetheca, rear wall and two side walls;It is described Telescopic arm 202 is arranged on the outer surface of one of block 201 side wall;Telescopic arm 202 can be relative to the side wall of block 201 Level sliding, and then realize relative to the flexible of block 201.The rear end of the block 201 refers to being slidably connected with guide rail 10 That one end;The seat board 203 can be fixed on the rear wall of block 201, can also be fixedly connected with the side wall of block 201; Two seat boards 203 are arranged in parallel, and the track inner guide pulley 2041 and rail of positioning guide rail 10 are provided on the medial surface of each seat board 203 Guide wheel 2042 outside road.
In use, telescopic device is installed to by guide wheel 2042 outside at least four track inner guide pulleys 2041 and four tracks On vertically arranged guide rail 10, the rail between 2041 outer circumference surface of adjustment track inner guide pulley and track 2042 outer circumference surface of outer guide wheel Road installation gap is matched with guide rail 10 so that telescopic device 20 can be slided up and down by rail limiting device along guide rail 10.
Telescopic device 20 of the present invention, by the rear end of block 201 be arranged a pair of of seat board 203 and with guide rail 10 The telescopic device 20 can be slidably mounted on a guide rail 10 by the position-limited wheel group 204 of cooperation, realize that telescopic device 20 is being led Sliding up and down on rail 10.Compared with prior art, telescopic device 20 of the invention, it is only necessary to which a guide rail 10 can be achieved with stretching Compression apparatus 20 moves up and down, and not only reduces the quantity of guide rail 10, has saved manufacturing cost;And U-shaped need not be set and added Strong back cord avoids the risk that telescopic arm 202 is interferenceed with guide rail 10, and is not take up the space after guide rail 10.
The effect of the telescopic arm 202 is to play a supportive role first, secondly realizes Telescopic;The telescopic arm 202 can To be realized using various ways, for example telescopic arm 202 can directly use cylinder, in order to facilitate telescopic arm 202 and template 21 Connection, preferably;The telescopic arm 202 includes the supporting beam 2021 being arranged in 201 side of block;Supporting beam 2021 with Block 201 is slidably matched;Retractable driving device 2022 is additionally provided in the supporting beam 2021.
Supporting beam 2021 is slidably mounted on one of block 201 side wall;The effect of the supporting beam 2021 is, with Block 201 is slidably matched, and is used to support template 21;The effect of retractable driving device 2022 is to realize supporting beam 2021 relative to case Seat 201 stretches.
When template 21 to be connect with supporting beam 2021, to ensure the stress balance of block 201, preferably, institute It states and is both provided with supporting beam 2021 on two sides of block 201;Two supporting beams 2021 be arranged in parallel and respectively with block 201 are slidably matched;Two supporting beams 2021 are fixedly connected.The end of two supporting beams 2021 is fixedly connected with template 21 respectively; By the way that two supporting beams 2021 are arranged, so that the both sides of block 201 is respectively subjected to the weight of supporting beam 2021 and template 21, ensure it Stress balance improves the stability of device.
In order to extend the service life of supporting beam 2021, reduce supporting beam 2021 during sliding with block 201 it Between friction, preferably, the side of the block 201 is fixed with limiting plate 205;The sliding setting of the supporting beam 2021 Between block 201 and limiting plate 205;It is fixed that at least two lower layers are provided between the limiting plate 205 and the side of block 201 Position runner 206 and at least two upper layers position runner 207;The outer circumference surface and supporting beam 2021 of each lower layer's positioning runner 206 Lower surface be in rolling contact;The outer circumference surface of each upper layer positioning runner 207 and the upper surface of supporting beam 2021 are in rolling contact.
By the way that limiting plate 205 is arranged, supporting beam 2021 is avoided to be moved along lower layer's positioning 206 axially direction of runner;It protects Stability when card supporting beam 2021 is stretched.Runner 206 and the positioning of at least two upper layers are positioned by the way that at least two lower layers are arranged Runner 207 prevents supporting beam 2021 from moving up and down, while reducing frictional force when supporting beam 2021 is stretched.
The retractable driving device 2022 can also be cylinder, lead screw regulating device etc., as priority scheme, described flexible Driving device 2022 is hydraulic cylinder.
Telescopic device 20 during the decline, often declines a cycle, it is necessary to change the first Commutating box 30 and second Operating efficiency, preferably, described first are improved to reduce the amount of labour of worker in the direction of ratchet 302 in Commutating box 60 The actuator 307 that driving ratchet 302 rotates is respectively arranged on Commutating box 30 and the second Commutating box 60.The actuator 307 can Cylinder is thought, preferably, the actuator 307 is hydraulic cylinder.The cylinder body of hydraulic cylinder is hinged on box body, the piston of hydraulic cylinder Bar is connect with connecting bolt 308;Connecting bolt 308 is connect with ratchet 302;Hydraulic cylinder drives ratchet 302 by connecting bolt 308 Rotation is used as power by the way that hydraulic cylinder is arranged, and the position that worker need not climb to Commutating box operates, and only need to control hydraulic cylinder gram The elastic force for taking spring 303 can be achieved with the automatic reverse of Commutating box, reduce the difficulty of operation, reduce the work of worker It measures, improves work efficiency.Further, position corresponding with 308 both ends of connecting bolt is respectively set on the wall of Commutating box There are arc groove 310, the both ends of the connecting bolt 308 to be stretched out out of the arc groove 310 respectively and can be in arc groove 310 It is mobile.By the way that arc groove 310 is arranged, so that connecting bolt 308 is accepted evenly, connecting bolt 308 is avoided stuck phenomenon occur.
Since the heavier-weight of template 21 enhances the load-bearing capacity of telescopic device 20 to improve the stability of structure, make For preferred embodiment, another telescopic device 20 positioned at 60 lower section of the second Commutating box is also slidably connected on the guide rail 10, two A telescopic device 20 is connected.Further, it is connected, two can be stretched by the connector of adjustable-length between two telescopic devices The installation site of compression apparatus 20 is adjusted.
In order to avoid failing when the hydraulic cylinder on the first Commutating box 30 and the second Commutating box 60, and cause under telescopic device 20 The risk of pendant preferably, on the guide rail 10 also slidably connects manual anti-fall Commutating box 50;It is described anti-fall to change manually It is fixedly connected to box 50 with telescopic device 20;It is horizontally arranged with rotatable shaft 301 in the anti-fall Commutating box 50 manually;Turn Rotatable ratchet 302 is set on axis 301;The spring being sleeved in shaft 301 is provided between ratchet 302 and shaft 301 303;One end of shaft 301 is equipped with reversing handle 306;It is provided with the first limited post on the outer wall of manual anti-fall Commutating box 50 304 and second limited post 305;When reversing handle 306 is stuck on the first limited post 304, upper end and the block 101 of ratchet 302 Bottom be engaged by clamping;When reversing handle 306 is stuck on the second limited post 305, the bottom of the lower end and block 101 of ratchet 302 Portion is engaged by clamping.
When the manual upward sliding on guide rail 10 of anti-fall Commutating box 50, the reversing handle of the anti-fall Commutating box 50 manually 306 are stuck on the second limited post 305, at this point, even if after the hydraulic cylinder on the first Commutating box 30 and the second Commutating box 60 fails, By the cooperation of ratchet 302 and block 101 in manual anti-fall Commutating box 50, it can also prevent telescopic device 20 from dropping, improve whole The safety of a device.

Claims (10)

1. Bridge High-pier turns over creeping formwork lifting device, it is characterised in that:Including guide rail (10);It is slidably connected on guide rail (10) flexible Device (20), the first Commutating box (30) and the second Commutating box (60);First Commutating box (30) is arranged in telescopic device (20) Top;Second Commutating box (60) is arranged in the lower section of telescopic device (20);First Commutating box (30) can with telescopic device (20) Releasably connect;Second Commutating box (60) is connect by lifting drive (40) with telescopic device (20);The guide rail (10) On be provided with several blocks (101);It is both provided in first Commutating box (30) and the second Commutating box (60) rotatable Ratchet (302);First Commutating box (30) and the second Commutating box (60) all have two states, are upward walking states respectively With downward walking states;When the first Commutating box (30), the second Commutating box (60) are in upward walking states, ratchet (302) Lower end and the top of block (101) are engaged by clamping;When the first Commutating box (30), the second Commutating box (60) are in downward walking states When, the upper end of ratchet (302) is engaged by clamping with the bottom of block (101).
2. Bridge High-pier according to claim 1 turns over creeping formwork lifting device, it is characterised in that:First Commutating box (30) With the second Commutating box (60) in be horizontally arranged with rotatable shaft (301);Shaft is set with rotatable ratchet on (301) (302);The spring (303) being sleeved in shaft (301) is provided between ratchet (302) and shaft (301);Shaft (301) One end is equipped with reversing handle (306);It is both provided with the first limit on the outer wall of first Commutating box (30) and the second Commutating box (60) Position column (304) and the second limited post (305);When reversing handle (306) is stuck on the first limited post (304), ratchet (302) Upper end and the bottom of block (101) are engaged by clamping;When reversing handle (306) is stuck on the second limited post (305), ratchet (302) lower end and the top of block (101) are engaged by clamping.
3. Bridge High-pier according to claim 1 turns over creeping formwork lifting device, it is characterised in that:Telescopic device (20) packet Include block (201) and telescopic arm (202);The side of the block (201) is provided with telescopic arm (202);The telescopic arm (202) It is slidably matched with block (201);The rear end of the block (201) is provided with rail limiting device;The rail limiting device packet Include a pair of of the seat board (203) for being vertically provided at block (201) rear end;On the medial surface of each seat board (203), along perpendicular to flexible The direction of arm (202) axis is provided at least two groups position-limited wheel group (204);Every group of position-limited wheel group (204) includes track inner guide pulley (2041) and the outer guide wheel (2042) of track, the peripheral surface of the outer guide wheel (2042) of peripheral surface and track of track inner guide pulley (2041) it Between have track installation gap.
4. Bridge High-pier according to claim 3 turns over creeping formwork lifting device, it is characterised in that:Telescopic arm (202) packet Include the supporting beam (2021) being arranged in block (201) side;Supporting beam (2021) is slidably matched with block (201);The support Retractable driving device (2022) is additionally provided on beam (2021).
5. Bridge High-pier according to claim 4 turns over creeping formwork lifting device, it is characterised in that:The two of the block (201) Supporting beam (2021) is both provided on a side;Two supporting beams (2021) are arranged in parallel and match respectively with block (201) sliding It closes;Two supporting beams (2021) are fixedly connected.
6. Bridge High-pier according to claim 4 or 5 turns over creeping formwork lifting device, it is characterised in that:The block (201) Side is fixed with limiting plate (205);The supporting beam (2021) is slidably arranged between block (201) and limiting plate (205);Institute It states and is provided between limiting plate (205) and the side of block (201) at least two lower layers positioning runner (206) and at least two Layer positioning runner (207);The outer circumference surface of each lower layer's positioning runner (206) is rolled with the lower surface of supporting beam (2021) and is connect It touches;The outer circumference surface of each upper layer positioning runner (207) and the upper surface of supporting beam (2021) are in rolling contact.
7. Bridge High-pier according to claim 2 turns over creeping formwork lifting device, it is characterised in that:First Commutating box (30) With the actuator (307) for being additionally provided with driving ratchet (302) rotation on the second Commutating box (60) respectively.
8. Bridge High-pier according to claim 7 turns over creeping formwork lifting device, it is characterised in that:The actuator (307) is Hydraulic cylinder.
9. Bridge High-pier according to claim 1 turns over creeping formwork lifting device, it is characterised in that:It is also sliding on the guide rail (10) Dynamic another telescopic device (20) being connected with below the second Commutating box (60), two telescopic devices (20) are connected.
10. Bridge High-pier according to claim 9 turns over creeping formwork lifting device, it is characterised in that:On the guide rail (10) also Slidably connect manual anti-fall Commutating box (50);The anti-fall Commutating box (50) manually is fixedly connected with telescopic device (20);Institute It states in manual anti-fall Commutating box (50) and is horizontally arranged with rotatable shaft (301);Shaft is set with rotatable spine on (301) Tooth (302);The spring (303) being sleeved in shaft (301) is provided between ratchet (302) and shaft (301);Shaft (301) One end reversing handle (306) is installed;The first limited post (304) and the are provided on the outer wall of manual anti-fall Commutating box (50) Two limited posts (305);When reversing handle (306) is stuck on the first limited post (304), the upper end of ratchet (302) and block (101) bottom is engaged by clamping;When reversing handle (306) is stuck on the second limited post (305), the lower end of ratchet (302) with The bottom of block (101) is engaged by clamping.
CN201810286985.7A 2018-03-30 2018-03-30 Bridge high pier climbing formwork lifting device Active CN108660928B (en)

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Publication number Priority date Publication date Assignee Title
CN113356573A (en) * 2021-06-15 2021-09-07 中铁建工集团有限公司 Sliding type lifting reversing box and using method thereof
CN113774802A (en) * 2021-09-17 2021-12-10 黑龙江省龙建路桥第五工程有限公司 Cast-in-place box girder edge protection structure and construction method

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CN206625546U (en) * 2017-02-27 2017-11-10 广州达蒙安防科技有限公司 A kind of hydraulic self-climbing mould climbing reverse box
CN107815971A (en) * 2017-11-07 2018-03-20 中国十九冶集团有限公司 High mound is from climbing hydraulic pressure mould system that turns over

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JPH07233508A (en) * 1994-02-23 1995-09-05 Kajima Corp Pier, and pier-constructing method by means of self-climbing form installation
CN103046472A (en) * 2013-01-15 2013-04-17 中国土木工程集团有限公司 Integral track formwork structure and using method thereof
CN106049863A (en) * 2016-06-28 2016-10-26 上海建工集团股份有限公司 Connecting rod type full-automatic direction adjustment anti-falling device and using method thereof
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Publication number Priority date Publication date Assignee Title
CN113356573A (en) * 2021-06-15 2021-09-07 中铁建工集团有限公司 Sliding type lifting reversing box and using method thereof
CN113774802A (en) * 2021-09-17 2021-12-10 黑龙江省龙建路桥第五工程有限公司 Cast-in-place box girder edge protection structure and construction method

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