CN208009267U - A kind of middle cross beam tensioning protective platform - Google Patents

A kind of middle cross beam tensioning protective platform Download PDF

Info

Publication number
CN208009267U
CN208009267U CN201820315092.6U CN201820315092U CN208009267U CN 208009267 U CN208009267 U CN 208009267U CN 201820315092 U CN201820315092 U CN 201820315092U CN 208009267 U CN208009267 U CN 208009267U
Authority
CN
China
Prior art keywords
middle cross
cross beam
main couple
protective platform
tie
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820315092.6U
Other languages
Chinese (zh)
Inventor
王祥国
郑祥峰
李震
牛广鹏
王相龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luqiao Liaoning Construction Group Co Ltd
Original Assignee
Luqiao Liaoning Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luqiao Liaoning Construction Group Co Ltd filed Critical Luqiao Liaoning Construction Group Co Ltd
Priority to CN201820315092.6U priority Critical patent/CN208009267U/en
Application granted granted Critical
Publication of CN208009267U publication Critical patent/CN208009267U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of middle cross beam tensioning protective platforms, belong to technical field of safety protection, in order to reduce the edge protection platform for setting up middle cross beam tensioning both sides, it is required for being protected during maintenance test when for bowstring arch bridge work in-process crossbeam using first beam rear arch construction construction and after pouring, bowstring arch bridge includes two tie-rods being mutually parallel and multiple vertical with tie-rod middle cross beam between two tie-rods is arranged, middle cross beam is mutually parallel, the middle cross beam tensioning protective platform includes main couple, running gear at main couple both ends is set, lifting device at main couple both ends is set, connecting rod at main couple both ends is set, protecting stand in the lower end of lifting device and the cat ladder up and down that is arranged on protecting stand are set.Reduce the edge protection platform for setting up middle cross beam tensioning both sides, reduce holder steel using amount, reduces the workload that falsework is set up and removed.

Description

A kind of middle cross beam tensioning protective platform
Technical field
The utility model belongs to technical field of safety protection, is related to a kind of protective platform, and in particular to a kind of middle cross beam Draw protective platform.
Background technology
Because bowstring arch bridge has many advantages, such as handsome in appearance, construction is succinct, on both sides of the Changjiang River built extensively in China It uses, middle cross beam construction is the critical process that bowstring arch bridge is built.In order to ensure the safety in process of construction, existing middle cross beam Both sides be required for build edge protection platform, increased in this way to holder steel using amount, and increase workload when dismounting. And the edge protection platform (tower is set on main bridge tie-rod falsework) used in existing middle cross beam tensioning is not because middle cross beam is opened It draws and cannot remove, cause interim steel-pipe pile holder under main bridge tie-rod that can not remove, affect the time of support removing.
It needs to construct by old bridge side when repairing maintenance to bridge, work surface is narrow, and it is tired that tower sets temporary construction platform It is difficult.
And when setting up edge protection holder, the waste that will produce is fallen into river, to bridge passing ships downwards It is influenced caused by possible.
Invention content
According to the above-mentioned deficiencies of the prior art, technical problem to be solved in the utility model is to propose a kind of middle cross beam Protective platform is drawn, in order to reduce the edge protection platform for setting up middle cross beam tensioning both sides, reduces holder steel using amount, reduces interim branch The workload that frame is set up and removed.And work surface area is big, and it is convenient to set up, and not will produce the problem of waste material is fallen.
The technical solution adopted in the utility model is:
A kind of middle cross beam tensioning protective platform, for the bowstring arch bridge work in-process using first beam rear arch construction construction It is required for being protected during maintenance test when crossbeam and after pouring, bowstring arch bridge includes two tie-rods being mutually parallel And it is multiple vertical with tie-rod middle cross beam between two tie-rods is set, middle cross beam is mutually parallel, and middle cross beam tensioning protection is flat Platform includes main couple, be arranged main couple both ends running gear, be arranged main couple both ends lifting device, be arranged in main truss Protecting stand and the cat ladder up and down that is arranged on protecting stand in the lower end of lifting device is arranged in the connecting rod at frame both ends.
The main couple is rectangular frame structure, and main couple is welded using I45 type I-steel.The lifting device If being made of more a diameter of 32 millimeters of fining twisted steel sunpenders.The running gear includes being arranged under main couple both ends The walking steel wheel in portion and the voluntarily motor in main couple both ends lower part is set, voluntarily motor drives walking steel wheel rotation.In described Crossbeam tensioning protective platform further includes the track on the upper surface for two tie-rods for being separately positioned on bowstring arch bridge, and track is with No. 43 Rail makes, and two tracks are mutually parallel, the distance between two tracks be equal between the walking steel wheel at main couple both ends away from From the walking steel wheel at main couple both ends is separately positioned on two tracks and can move in orbit.The connecting rod is to stretch Contracting bar, the length-adjustable connecting rod of connecting rod, the upper end of connecting rod are connect with main couple, and the lower end suspension of connecting rod is provided with Jack.The cat ladder up and down can be moved and be dismantled on protecting stand.The protecting stand is formed using reinforcement welding, protecting stand bottom Portion be laid with iron plate, the protecting stand side using wire gauze circumference around.
The utility model has the beneficial effects that:1. reduces setting up for the edge protection platform of middle cross beam tensioning both sides, subtract Lack holder steel using amount, reduces the workload that falsework is set up and removed.
2. middle cross beam tensioning is divided into tensioning twice, solve since the edge protection platform used in middle cross beam tensioning is (in master Tower is set on bridge tie-rod falsework) the problem of cannot being removed because of the non-tensioning of middle cross beam, lead to interim steel pipe under main bridge tie-rod Stake holder can not be removed, and the time of support removing is affected.
3. solves narrow by old bridge side operation side, tower sets the problem of temporary construction platform difficulty.
4. has prevented construction edge protection holder simultaneously, the waste of generation falls into passing downwards to bridge in river It is influenced caused by ship is possible.
5. constructing operations are simple, conveniently, it is highly practical.
Description of the drawings
The content expressed by this specification attached drawing and the label in figure are briefly described below:
Fig. 1 is the structure chart of specific embodiment of the present utility model middle cross beam tensioning protective platform;
Fig. 2 is the side view of specific embodiment of the present utility model middle cross beam tensioning protective platform.
Specific implementation mode
Below by the description to embodiment, the shape of for example involved each component of specific embodiment of the present utility model The effect and operation principle of mutual alignment and connection relation, each section between shape, construction, each section, manufacturing process and operation Application method etc., is described in further detail, to help inventive concept of the those skilled in the art to the utility model, technology Scheme has more complete, accurate and deep understanding.
Using the bowstring arch bridge of first beam rear arch construction construction when proceeding to middle cross beam and pouring, two tie-rod is Completion of processing, so tie-rod auxiliary can be utilized to pour middle cross beam when work in-process crossbeam.During pouring middle cross beam And be required for being protected during the maintenance test after pouring, this just needs middle cross beam tensioning provided by the utility model anti- Platform, a kind of middle cross beam tensioning protective platform are protected, middle cross beam tensioning protective platform includes main couple 1, running gear 2, promotes dress Set 3, connecting rod 4, upper and lower cat ladder 5 and protecting stand 6.
Main couple 1 is rectangular frame structure, and main couple 1 is welded using I45 type I-steel.Lifting device 3 is arranged At the both ends of main couple 1, lifting device 3 is made of more a diameter of 32 millimeters of fining twisted steel sunpender.Protecting stand 6 is arranged In the lower end of lifting device 3, running gear 2 includes walking steel wheel and the setting being arranged in (whether being main couple 1) both ends lower part Voluntarily motor in 1 both ends lower part of main couple, voluntarily motor drive walking steel wheel rotation, bowstring arch bridge two tie-rods it is upper The track of No. 43 steel rail layings of a use is respectively provided on surface, two tracks are mutually parallel, and the distance between two tracks are equal to The walking steel wheel of the distance between the walking steel wheel at 1 both ends of main couple, 1 both ends of main couple is separately positioned on two tracks and can To move in orbit.And then middle cross beam tensioning protective platform is driven to be movably walking on the length direction of tie-rod, lifting device 3 Upper end is fixed on by top nut on main couple 1, and the both ends of main couple 1 are designed with length-adjustable connecting rod 4, connecting rod 4 Upper end is connect with main couple 1, and the lower end suspension of connecting rod 4 is provided with jack.It sets on the protecting stand 6 of 3 lower end of lifting device It is provided with upper and lower cat ladder 5, upper and lower cat ladder 5 travels i.e. upper and lower protecting stand 6 between protecting stand 6 and tie-rod for construction personnel, is Prevent up and down cat ladder 5 obstruction personnel walk up and down on protecting stand 6, the cat ladder 5 up and down can be moved and be torn open on protecting stand 6 It unloads.For the ease of walking and enhancing the intensity of protecting stand 6, protecting stand 6 is formed using reinforcement welding, and 6 bottom of protecting stand is laid with iron Plate, in order to prevent waste material fall and protection staff, 6 side of the protecting stand using wire gauze circumference around.Wherein the middle cross girder tensioning is anti- Shield platform can move on tie-rod, greatly facilitate the pouring construction to middle cross beam and maintenance test.
Middle cross beam tensioning protective platform is assembled using truck crane.Running gear 2 is installed on track by the first step, the Main couple 1 is lifted into above tie-rod and is linked with running gear 2 by two steps, and protecting stand 6 is used 32 finish rolling screw threads of Φ by third step Steel sunpender penetrates from 1 preformed hole of main couple and installs top nut (can be by nut adjustment protective platform upper and lower position);4th step It places and moves detachable cat ladder 5 up and down, the 5th step installs jack and connecting rod 4, the 6th step should be in middle cross by jack pair The rigid strand locations of beam and connecting rod 4 are attached fixation, the 7th step check each position whether fixation, just whether operating Often, the 8th successive step connecting rod 4 makes jack to middle cross beam steel strand wires corresponding position and fixed connecting rod 4, and the 9th step will be very heavy Top is fixed on steel strand wires, and the tenth step carries out prestressed stretch-draw operation, and prestressed stretch-draw uses prestressing force, stretch value dual control, with Based on Stress Control, surveys elongation value of stretching and check, complete one of middle cross beam tensioning construction, the 11st step is unlocked very heavy Top starts running gear 2 and middle cross beam tensioning protective platform runs to lower one of middle cross beam position to carry out down one of middle cross beam pre- Stress tension is constructed.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by The limitation of aforesaid way, as long as using the methodology of the utility model and various unsubstantialities that technical solution carries out change Into, or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model Protection domain within.The scope of protection of the utility model should be determined by the scope of protection defined in the claims.

Claims (8)

1. a kind of middle cross beam tensioning protective platform, horizontal for the bowstring arch bridge work in-process using first beam rear arch construction construction Be required for being protected during maintenance test when beam and after pouring, bowstring arch bridge include two tie-rods being mutually parallel and Multiple that vertical with tie-rod middle cross beam between two tie-rods is arranged, middle cross beam is mutually parallel, it is characterised in that:The middle cross beam Draw protective platform include main couple (1), setting main couple (1) both ends running gear (2), be arranged at main couple (1) both ends Lifting device (3), setting main couple (1) both ends connecting rod (4), setting the lower end of lifting device (3) protecting stand (6) and cat ladder up and down (5) on protecting stand (6) is set.
2. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:The main couple (1) is rectangle Frame structure, main couple (1) are welded using I45 type I-steel.
3. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:The lifting device (3) sets use More a diameter of 32 millimeters of fining twisted steel sunpender makes.
4. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:The running gear (2) includes setting It sets in the walking steel wheel of main couple (1) both ends lower part and setting in the voluntarily motor of main couple (1) both ends lower part, voluntarily motor band Dynamic walking steel wheel rotation.
5. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:Wherein the middle cross girder tensioning protective platform Further include the track on the upper surface for two tie-rods for being separately positioned on bowstring arch bridge, track makes of No. 43 rail, two rails Road is mutually parallel, and the distance between two tracks are equal to the distance between the walking steel wheel at main couple (1) both ends, main couple (1) The walking steel wheel at both ends is separately positioned on two tracks and can move in orbit.
6. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:The connecting rod (4) is telescopic rod, The upper end of the length-adjustable connecting rod (4) of connecting rod (4), connecting rod (4) is connect with main couple (1), the lower end of connecting rod (4) Suspension is provided with jack.
7. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:The cat ladder (5) up and down can be anti- It moves and dismantles on shield platform (6).
8. middle cross beam tensioning protective platform according to claim 1, it is characterised in that:The protecting stand (6) uses reinforcing bar Be welded, protecting stand (6) bottom be laid with iron plate, protecting stand (6) side using wire gauze circumference around.
CN201820315092.6U 2018-03-06 2018-03-06 A kind of middle cross beam tensioning protective platform Expired - Fee Related CN208009267U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820315092.6U CN208009267U (en) 2018-03-06 2018-03-06 A kind of middle cross beam tensioning protective platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820315092.6U CN208009267U (en) 2018-03-06 2018-03-06 A kind of middle cross beam tensioning protective platform

Publications (1)

Publication Number Publication Date
CN208009267U true CN208009267U (en) 2018-10-26

Family

ID=63888178

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820315092.6U Expired - Fee Related CN208009267U (en) 2018-03-06 2018-03-06 A kind of middle cross beam tensioning protective platform

Country Status (1)

Country Link
CN (1) CN208009267U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110700104A (en) * 2019-10-17 2020-01-17 中国十七冶集团有限公司 Construction platform of suspension bridge suspender tensioning equipment and use method
CN110792038A (en) * 2019-11-11 2020-02-14 山东交通学院 Self-propelled mold hanging tool and method for high-altitude cast-in-place of tie rod arch bridge beam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110700104A (en) * 2019-10-17 2020-01-17 中国十七冶集团有限公司 Construction platform of suspension bridge suspender tensioning equipment and use method
CN110700104B (en) * 2019-10-17 2021-02-26 中国十七冶集团有限公司 Construction platform of suspension bridge suspender tensioning equipment and use method
CN110792038A (en) * 2019-11-11 2020-02-14 山东交通学院 Self-propelled mold hanging tool and method for high-altitude cast-in-place of tie rod arch bridge beam

Similar Documents

Publication Publication Date Title
CN106677211B (en) Wall tears assembled piping lane aluminum dipping form trolley system and its construction method open with the top plate whole morning poured
CN101457513B (en) Bridge erection method
CN206538787U (en) A kind of wall tears assembled piping lane aluminum dipping form chassis system open with the top plate whole morning poured
CN208009267U (en) A kind of middle cross beam tensioning protective platform
CN101781878B (en) Integral lifting template of main pylon of single-pylon cable-stayed bridge without dorsal cables and lifting construction method thereof
CN105386411A (en) Multifunctional portal device of suspension bridge pillar top
CN106917360A (en) Lift leg formula frame plate machine and its frame plate method
CN206859068U (en) A kind of Cable-stayed Bridge Pylon sill segmental timbering structure
CN206887771U (en) A kind of small across footpath plate-beam construction platform structure
CN203795311U (en) Multi-leg high pier and slip form construction device
CN104695335A (en) Overall reinforcement binding and hoisting construction method and construction device adopting upstroke movable scaffolding
CN110409318A (en) A kind of large span freely-supported steel reinforced concrete bondbeam assembling method
CN202401753U (en) Sliding die device
CN108625270A (en) Nose girder gantry crane installs bridge prefabrication box girder construction method
CN205369044U (en) Integration prestressing force stretch -draw frame construction
CN210061545U (en) Prefabricated T roof beam concrete placement platform truck
CN110685227B (en) Construction method of formwork support system of obstacle-crossing wide-width swivel bridge closure segment hanging bracket method
CN205188823U (en) Construction of light rail prestressing force bent cap and end -blocking work platform
CN201588172U (en) Integral single-tower non-dorsal-cord cable-stayed-bridge king tower lifting template
CN202176343U (en) Self-propelled multifunctional template trolley combining device
CN203613464U (en) Slip form construction cargo transportation device
CN204401473U (en) Upstroke movable framework steel bar overall binding lifting construction device
CN106013774A (en) Slip-form flexible platform device suitable for assigning
CN206189286U (en) A long span gallows platform that is used for outer surface repairing of double width case roof beam
CN205636498U (en) Wet seam construction equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181026

Termination date: 20190306

CF01 Termination of patent right due to non-payment of annual fee