CN208009267U - A kind of middle cross beam tensioning protective platform - Google Patents
A kind of middle cross beam tensioning protective platform Download PDFInfo
- 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
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- 230000001681 protective Effects 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 18
- 241000282326 Felis catus Species 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 210000004279 Orbit Anatomy 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000003014 reinforcing Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
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.
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)
| 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 |
-
2018
- 2018-03-06 CN CN201820315092.6U patent/CN208009267U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
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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 |