CN211200116U - Protective frame for construction of mid-span closure section steel shell of continuous beam of cross highway - Google Patents
Protective frame for construction of mid-span closure section steel shell of continuous beam of cross highway Download PDFInfo
- Publication number
- CN211200116U CN211200116U CN201922010189.3U CN201922010189U CN211200116U CN 211200116 U CN211200116 U CN 211200116U CN 201922010189 U CN201922010189 U CN 201922010189U CN 211200116 U CN211200116 U CN 211200116U
- Authority
- CN
- China
- Prior art keywords
- continuous beam
- construction
- steel shell
- closure section
- highway
- 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.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
A protective frame for construction of a steel shell at a mid-span closure section of a continuous beam spanning an expressway belongs to the technical field of construction of the expressway, and can solve the problems that a protective platform is needed in construction of the steel shell at the mid-span closure section of the continuous beam spanning the expressway, construction operation and safety and stability of traveling protection are realized, and a safety protection function is realized. The bottom of the ladder stand II is connected with the protective platform frame. The utility model discloses the potential safety hazard has effectively been reduced.
Description
Technical Field
The utility model belongs to the technical field of the highway construction, concretely relates to stride continuous beam midspan closure section steel-shelled construction protection frame of highway.
Background
When the closure section across the highway is constructed by adopting the steel shell, the exterior welding and the external surface local coating are required to be carried out on the closure section steel shell construction, the bottom of the steel shell is required to be protected in the welding process of the steel shell so as to prevent welding slag from falling into a highway traffic lane to influence safety, meanwhile, the welding is required to be carried out on the local outer side, an external operation platform is required, after the closure section steel shell is welded and before concrete is poured into the closure section steel shell, a rigid framework needs to penetrate through the bottom of the steel shell from the top of a beam to the bottom of the beam to carry out suspender bearing, the bottom of the outer side of the steel shell needs to be reinforced, a construction platform needs to protect operating personnel and provide an operation platform, meanwhile, the bottom needs to be observed when the concrete is poured, the stability of the suspender is checked at the bottom of the steel shell in the pouring process, a protective operating platform frame is needed, and safe and stable construction of the continuous beam body across the closure section of the expressway can be realized.
Disclosure of Invention
The utility model discloses to striding over highway continuous beam midspan closure section steel-shell construction needs protection platform, realize the construction operation, go the safety and stability of protection, realize the problem of safety protection function, provide one kind and stride highway continuous beam midspan closure section steel-shell construction protection frame.
The utility model adopts the following technical scheme:
the utility model provides a stride continuous beam midspan closure section box hat construction protection frame of highway, cat ladder I including the liftable, be located the cantilever beam truss of continuous beam top, be located the walking system on continuous beam top and walk the line track, cat ladder II with be located the protection platform frame of continuous beam bottom, cat ladder I is located the both sides of continuous beam, the bottom and the protection platform frame of cat ladder I are connected, the both sides of cat ladder I are equipped with electric putter respectively, electric putter's one end and cantilever beam truss connection, the other end is connected with cat ladder I, the both ends of cantilever beam truss pass cat ladder I respectively, walk line system and cantilever beam truss connection, cat ladder II is located the both sides of the lateral wall of continuous beam, the bottom and the protection platform frame of cat ladder II are connected.
Be equipped with a plurality of pinhole I on the support body of cat ladder I, the part that the cantilever beam truss passed cat ladder I is equipped with pinhole II that corresponds with pinhole I.
The walking system comprises a motor, a speed reducer and walking wheels, wherein the motor is connected with the speed reducer, the speed reducer is connected with the walking wheels, and the walking wheels are positioned on the walking rails.
And a bolster is arranged between the walking track and the continuous beam.
A connecting rod is arranged between the ladder stand I and the ladder stand II.
And a platform plate is arranged on the protective platform frame.
And protective nets are arranged on the outer sides of the protective platform frame, the ladder stand I and the ladder stand II.
The utility model has the advantages as follows:
the utility model discloses simple structure, it is safe effective, nimble convenient, solve the potential safety hazard. In the construction of crossing the closure steel shell of the continuous beam on the highway, after the protective device is adopted, the working procedure operation can be safely and stably carried out, and the potential safety hazard is effectively reduced.
The utility model provides an outside work platform and to highway's protection closed platform when closing dragon box hat butt joint welding, skeleton reinforcement, concrete perfusion construction. The movable type protection device can be adjusted and moved to the corresponding beam bottom according to different beam heights to protect and walk to the next beam bottom for construction, the cantilever beam truss arranged on the beam top and the I hanging bracket of the ladder stand are used for bearing, the protection truss walks on a rail on the beam top, and the displacement and the fixed braking are realized through electrical control.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
fig. 3 is a schematic top view of the present invention;
wherein: 1-ladder stand I; 2-cantilever beam truss; 3-a running system; 4-running track; 5-climbing ladder II; 6-protective platform frame; 7-a continuous beam; 8, an electric push rod; 9-bolster; 10-a connecting rod; 11-a platform plate; 12-protective screening.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in the figure, a stride freeway continuous beam midspan closure section box hat construction protection frame, including liftable cat ladder I1, be located the cantilever beam truss 2 of continuous beam 7 top, be located the walking system 3 and walk capable track 4 on continuous beam 7 top, cat ladder II 5 and the protection platform frame 6 that is located continuous beam 7 bottom, cat ladder I1 is located the both sides of continuous beam 7, cat ladder I1's bottom and protection platform frame 6 are connected, cat ladder I1's both sides are equipped with electric putter 8 respectively, electric putter 8's one end is connected with cantilever beam truss 2, the other end is connected with cat ladder I1, cat ladder I1 is passed respectively at cantilever beam truss 2's both ends, it is connected with cantilever beam truss 2 to walk capable system 3, cat ladder II 5 is located the both sides of continuous beam 7's lateral wall, cat ladder II 5's bottom and protection platform frame 6 are connected.
Be equipped with a plurality of pinhole I on cat ladder I1's the support body, the part that cantilever beam truss 2 passed cat ladder I1 is equipped with pinhole II that corresponds with pinhole I.
The walking system 3 comprises a motor, a speed reducer and walking wheels, wherein the motor is connected with the speed reducer, the speed reducer is connected with the walking wheels, and the walking wheels are positioned on the walking rails 4.
And a bolster 9 is arranged between the walking track 4 and the continuous beam 7.
A connecting rod 10 is arranged between the ladder stand I1 and the ladder stand II 5.
And a platform plate 11 is arranged on the protective platform frame 6.
And a protective net 12 is arranged on the outer sides of the protective platform frame 6, the ladder stand I1 and the ladder stand II 5.
The lifting ladder stand I1 adopts a steel truss, generally adopts No. 10 channel steel, considers that a local construction structure is in a larger wind load area, needs to consider loads of manpower and construction tools and wind loads and the like, and can bear wind loads well, an electric push rod 8 has the main function of lifting or lowering the ladder stand I1, correspondingly adjusts the height of the ladder stand I1 corresponding to different beam heights, adapts to beam bottom protection of different beam heights, adopts an electric push rod 8, 2 electric push rods 8 on each side beam edge, each pushing force is 1t, the stroke is about 750mm, the ladder stand I1 can be aligned and fixed after being lifted to a certain position, the electric push rod 8 and the ladder stand I1 can be adjusted, the truss stand 2 is a cantilever beam structure, adopts the steel truss, the cantilever end bears the ladder stand I, manual fixing loads and wind loads, generally adopts 14a channel steel double-limb assembly welding to form a truss, the ladder stand I1 penetrates through the ladder stand I1 to form a lifting ladder stand, a pin hole is formed at the butt joint of the ladder stand I1 and the cantilever truss stand 2, 8.8-8-grade high-strength bolt locking bolts locking pins are adopted at each side, 8, the pin holes are adopted as well as a safety bolt locking pin hole of a steel locking platform I2, a safety bolt locking platform, a safety bolt locking mechanism, a safety bolt, a safety.
In the construction of the steel shell of the mid-span closure section, the steel shell construction surface is completely covered along the outer contour of the beam body at the positions in the procedures of butt welding, stiff skeleton connection, concrete pouring and the like, and a protective frame and an operation platform need to be arranged along the outer contour of the beam body, so that the construction and safety protection are facilitated. In the continuous beam closure section steel shell construction process, the protection platform protection range is the lap joint section position of the pre-buried section steel shell and the closure section steel shell, the construction protection position is the lowest point of the beam height, the protection frame is required to be installed at the higher point of the beam height outside the expressway, the protection frame is required to be installed at the higher point of the beam height firstly, after the protective frame is moved to the closure section position, the crawling ladder I is lifted to the position suitable for construction, after the construction operation protection is completed, the electric push rod puts down the crawling ladder I, the crawling ladder gradually returns to the outside of the expressway, and the protection frame is detached outside the expressway.
The utility model discloses fold according to striding highway continuous beam and adopt the box hat construction operation safety needs to design, specifically for providing the outside operation platform and seal the platform to highway's protection when closing dragon box hat butt joint welding, skeleton reinforcement, concrete perfusion construction. The protection frame can be adjusted according to different beam heights to move to the corresponding beam bottom for protection and walk to the next beam bottom for construction, the protection frame bears the weight of the truss cantilever beam and the ladder stand hanging bracket arranged on the beam top, the protection frame walks on the beam top track, and shifting and fixed braking are achieved through electric control.
The utility model discloses a use method as follows:
1. firstly, a bolster, a track, a traveling system, a truss, a ladder stand hanger and a bottom platform are arranged on the top of a beam on the outer side of the highway, and the ladder stand is suitable for the beam height;
2. starting an electrical control device, and moving the truss to the bottom of the closure section beam for operation;
3. and providing an operation protection platform, and electrically controlling to return to the outer side of the high-speed road for dismounting after closure is completed.
Claims (7)
1. The utility model provides a stride continuous beam midspan closure section steel shell construction protection frame of highway which characterized in that: comprises a lifting ladder stand I (1), a cantilever beam truss (2) positioned above a continuous beam (7), a walking system (3) and a walking track (4) positioned at the top end of the continuous beam (7), a ladder stand II (5) and a protective platform frame (6) positioned at the bottom of the continuous beam (7), cat ladder I (1) is located the both sides of continuous beam (7), the bottom and the protection platform frame (6) of cat ladder I (1) are connected, the both sides of cat ladder I (1) are equipped with electric putter (8) respectively, the one end and the cantilever beam truss (2) of electric putter (8) are connected, the other end is connected with cat ladder I (1), cat ladder I (1) is passed respectively at the both ends of cantilever beam truss (2), walk line system (3) and be connected with cantilever beam truss (2), cat ladder II (5) are located the both sides of the lateral wall of continuous beam (7), the bottom and the protection platform frame (6) of cat ladder II (5) are connected.
2. The protective frame for construction of the steel shell of the continuous beam across the highway and across the closure section in the continuous beam is characterized in that: be equipped with a plurality of pinhole I on the support body of cat ladder I (1), the part that cantilever beam truss (2) passed cat ladder I (1) is equipped with pinhole II that corresponds with pinhole I.
3. The protective frame for construction of the steel shell of the continuous beam across the highway and across the closure section in the continuous beam is characterized in that: the walking system (3) comprises a motor, a speed reducer and walking wheels, wherein the motor is connected with the speed reducer, the speed reducer is connected with the walking wheels, and the walking wheels are positioned on the walking rails (4).
4. The protective frame for construction of the steel shell of the continuous beam across the highway and across the closure section in the continuous beam is characterized in that: a bolster (9) is arranged between the walking track (4) and the continuous beam (7).
5. The protective frame for construction of the steel shell of the continuous beam across the highway and across the closure section in the continuous beam is characterized in that: a connecting rod (10) is arranged between the ladder stand I (1) and the ladder stand II (5).
6. The protective frame for construction of the steel shell of the continuous beam across the highway and across the closure section in the continuous beam is characterized in that: and a platform plate (11) is arranged on the protective platform frame (6).
7. The protective frame for construction of the steel shell of the continuous beam across the highway and across the closure section in the continuous beam is characterized in that: and a protective net (12) is arranged on the outer sides of the protective platform frame (6), the ladder stand I (1) and the ladder stand II (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010189.3U CN211200116U (en) | 2019-11-20 | 2019-11-20 | Protective frame for construction of mid-span closure section steel shell of continuous beam of cross highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010189.3U CN211200116U (en) | 2019-11-20 | 2019-11-20 | Protective frame for construction of mid-span closure section steel shell of continuous beam of cross highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211200116U true CN211200116U (en) | 2020-08-07 |
Family
ID=71855245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922010189.3U Active CN211200116U (en) | 2019-11-20 | 2019-11-20 | Protective frame for construction of mid-span closure section steel shell of continuous beam of cross highway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211200116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855621A (en) * | 2022-05-13 | 2022-08-05 | 中铁第五勘察设计院集团有限公司 | Closure construction method for existing line bridge striding upwards and protection device |
-
2019
- 2019-11-20 CN CN201922010189.3U patent/CN211200116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855621A (en) * | 2022-05-13 | 2022-08-05 | 中铁第五勘察设计院集团有限公司 | Closure construction method for existing line bridge striding upwards and protection device |
| CN114855621B (en) * | 2022-05-13 | 2024-03-15 | 中铁第五勘察设计院集团有限公司 | Closure construction method and protection device for overstretched existing line bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201003145Y (en) | Upward and self-walking type mobile die carrier | |
| CN203007849U (en) | Movable construction device for cast-in-place concrete crash barriers with hanging eaves | |
| CN108316152A (en) | A kind of high pier capping beam construction mobile formwork and its construction technology | |
| CN109024291A (en) | A kind of integration Bridge Erector and its working method | |
| CN211200116U (en) | Protective frame for construction of mid-span closure section steel shell of continuous beam of cross highway | |
| CN201933415U (en) | Highway and railway twin-girder bridge erection machine | |
| CN206448820U (en) | A kind of tunnel construction trolley | |
| CN105649322B (en) | A kind of integral jacking platform hanger skid beam system | |
| CN205591116U (en) | A two roof beam travelling car operation platform that is used for overpass steel case breast portion to be under construction | |
| CN215210544U (en) | Bridge curtain board construction protection device for existing tramcar crossing highway | |
| CN208995936U (en) | S type steel box girder of cable stayed bridge on across ground rail traffic slides mounting bracket | |
| CN109515462A (en) | A kind of articulated car transfer bridge device operational method | |
| CN204151699U (en) | A kind of frame plate machine for changing steel truss girder bridge bridge deck | |
| CN106012824A (en) | Movable bridge anti-collision guardrail construction operation trolley | |
| CN210827111U (en) | Environment-friendly down self-propelled steel trestle structure | |
| CN109519199B (en) | Shield tunnel segment supporting trolley | |
| CN210151602U (en) | Railway operation line-crossing highway beam body dismantling beam bottom protection platform | |
| CN110080117A (en) | Portable simplified concrete barrier formwork vehicle and preparation method thereof | |
| CN1807838A (en) | Bridge type shield construction method for box type bridge | |
| CN211524104U (en) | Novel bridge girder erection machine | |
| CN205932963U (en) | Many landing legs tire formula tracklaying crane | |
| CN114319128A (en) | Bridge anti-collision guardrail moving trolley | |
| CN205188823U (en) | Construction of light rail prestressing force bent cap and end -blocking work platform | |
| CN213538695U (en) | Bridge anticollision wall template trolley | |
| CN210738584U (en) | Space rigid frame trolley suitable for existing line crossing construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |