CN210791455U

CN210791455U - U-shaped beam pouring operation platform

Info

Publication number: CN210791455U
Application number: CN201921077996.0U
Authority: CN
Inventors: 徐文化; 郑邦容; 方健海
Original assignee: Guangzhou North Ring Super Highway Co ltd
Current assignee: Guangzhou Beihuan Intelligent Transportation Technology Co.,Ltd.
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-06-19
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a U type roof beam is pour and is used operation platform for pouring of U type roof beam, install on U type roof beam mould during the use, including the platform bottom plate, a plurality of lower screens pieces of fixedly connected with on U type roof beam mould, a plurality of last screens pieces that correspond with lower screens piece of platform bottom plate lower extreme fixedly connected with, the screens piece is connected with each lower screens piece respectively and is made during the use the installation of platform bottom plate is fixed on the U type roof beam mould. During construction, workers can directly stand on the operating platform for construction, the method is convenient and rapid, the method is particularly suitable for prefabricating the multi-cell U-shaped beam, and rib plates in the middle of the U-shaped beam can be rapidly poured to realize rapid construction; in addition, the U-shaped outer formwork and the U-shaped inner formwork can be connected into a whole from the upper side of the U-shaped beam, a good fixing effect is achieved on the U-shaped inner formwork, particularly when the U-shaped beam is prefabricated by UHPC materials, the U-shaped inner formwork can be effectively prevented from being influenced by large buoyancy force, and displacement of the U-shaped inner formwork is prevented.

Description

U-shaped beam pouring operation platform

Technical Field

The utility model belongs to the technical field of the bridge prefabrication and specifically relates to a U type roof beam is pour and is used operation platform is related to.

Background

The common concrete precast bridge segment has relatively weak concrete fluidity and relatively slow strength lifting speed, and a large amount of common steel bars and other factors act together in the common concrete bridge, so that the buoyancy of the concrete to the U-shaped inner template is small in the pouring process of the common concrete precast bridge. The inner template is not required to be subjected to additional vertical restraint, and the vertical restraint between the inner template and the U-shaped outer template can be realized only by the self weight of the template.

The ultra-high performance concrete (UHPC) is a novel building material with durability and high toughness, wherein the compressive strength of the UHPC is more than 150MPa, and the UHPC material has high fluidity and high material hardening speed. The UHPC prefabricated U-shaped box girder segment has light segment weight and good UHPC fluidity, so that buoyancy generated in the pouring process has great influence on a U-shaped inner template, particularly when a multi-cell U-shaped girder is prefabricated, the middle and middle template is particularly obvious, and if extra auxiliary measures are not added, the template is ensured to be positioned still, the U-shaped box girder has the construction quality problems of section deformation and the like. In addition, because the hardening speed of the UHPC material is high, workers are required to quickly finish various construction operations in construction, and an operation platform convenient for the workers to construct is required to be built at the moment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an operation platform for pouring the U-shaped beam, which can facilitate the rapid construction of workers and ensure the construction quality when the U-shaped beam is prefabricated by UHPC materials; meanwhile, the U-shaped inner template can be well fixed, and the U-shaped inner template displacement caused by buoyancy influence is avoided.

The purpose of the utility model is realized through the following technical scheme:

the operating platform for pouring the U-shaped beam comprises a U-shaped outer template and a U-shaped inner template, a pouring cavity is formed between the inner wall of the U-shaped outer template and the outer wall of the U-shaped inner template during use, the operating platform comprises a platform bottom plate arranged on the upper end face of the U-shaped beam mold, a plurality of lower clamping blocks are fixedly connected to the end portions of the side walls of the U-shaped outer template and the U-shaped inner template respectively, a plurality of upper clamping blocks corresponding to the lower clamping blocks are fixedly connected to the lower end of the platform bottom plate, and each upper clamping block is connected with the corresponding lower clamping block in a clamping mode, so that the platform bottom plate is fixedly arranged on the U-shaped beam mold.

Specifically, each lower clamping block is provided with a U-shaped groove allowing the corresponding upper clamping block to extend into and form clamping connection.

Specifically, each lower clamping block is provided with a lower fixing hole, the corresponding upper clamping block is provided with an upper fixing hole corresponding to the lower fixing hole, and the platform bottom plate is fixed on the U-shaped beam die through a bolt fastener penetrating through the lower fixing hole and the upper fixing hole during installation.

Specifically, the platform bottom plate comprises a frame arranged on the upper end face of the U-shaped beam die, and a steel mesh is laid on the frame.

Specifically, the frame is a rectangular frame enclosed by two cross beams and two longitudinal beams, two lower clamping blocks are respectively arranged above each side wall of the U-shaped outer template and the U-shaped inner template at intervals along the longitudinal direction, each upper clamping block is fixed on each cross beam, and the distance between the lower clamping blocks on each side wall corresponds to the distance between the two cross beams.

Specifically, reinforcing beams which are longitudinally and transversely distributed are arranged in the frame, and the reinforcing beams are tightly attached to the lower surface of the steel mesh.

Specifically, a guardrail is connected to each upper cross beam.

Specifically, each guardrail is connected with two lifting lugs.

Specifically, the U-shaped beam mold is a multi-cell U-shaped beam mold, the U-shaped inner template comprises a middle web template and two side web templates, and the middle web template is located between the two side web templates.

The utility model discloses following beneficial effect has: the utility model provides a U type roof beam operation platform for pouring erects above the U type roof beam mould, and the workman can directly stand and construct on operation platform during the construction, convenient and fast, is particularly suitable for the prefabrication of many check rooms U type roof beam, can pour the floor in the middle part of the U type roof beam fast, realizes quick construction; in addition, the U-shaped outer formwork and the U-shaped inner formwork can be connected into a whole from the upper side of the U-shaped beam, a good fixing effect is achieved on the U-shaped inner formwork, particularly when the U-shaped beam is prefabricated by UHPC materials, the U-shaped inner formwork can be effectively prevented from being influenced by large buoyancy force, and displacement of the U-shaped inner formwork is prevented.

Drawings

Fig. 1 is a schematic front view of the operating platform of the present invention after being mounted on a U-shaped beam mold;

fig. 2 is a schematic top view of the operating platform of the present invention after being mounted on the U-shaped beam mold;

fig. 3 is a schematic top view of the operation platform of the present invention;

fig. 4 is the utility model discloses an operation platform installs the last screens piece after U type roof beam mould and is connected with lower screens piece structural schematic diagram.

Description of the specific structure: 1U-shaped beam mould, 11U-shaped outer mould plate, 12U-shaped inner mould plate, 121 side web mould plate, 122 middle web mould plate, 2 platform bottom plate, 21 cross beam, 22 longitudinal beam, 23 steel net, 24 reinforced beam, 31 lower clamping block, 32 upper clamping block, 33 bolt fastener, 4 guardrail, 5 lifting lug, T-shaped support frame, T-,

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

The utility model provides a U type roof beam is pour and is used operation platform for pouring of U type roof beam, install on U type roof beam mould 1 during the use, U type roof beam mould 1 includes U type exterior sheathing 11 and U type interior sheathing 12, including platform bottom plate 2, U type exterior sheathing 11 with the lateral wall upper end of U type interior sheathing 12 is a plurality of screens piece 31 down of fixedly connected with respectively, 2 lower extreme fixedly connected with of platform bottom plate a plurality of with last screens piece 32 that screens piece 31 corresponds down, each during the use go up screens piece 32 respectively with each screens piece 31 is connected the messenger down platform bottom plate 2 installation is fixed on U type roof beam mould 1.

Referring to fig. 4, it can be understood that, from the perspective shown in fig. 4, the upper end surface of the upper stopper block 32 should be attached to the lower surface of the platform floor 2, and the lower end surface of the lower stopper block 31 should be attached to the upper surface of the U-beam mold 1. Specifically, a U-shaped groove is formed in the lower clamping block 31, and the upper clamping block 32 is embedded into the U-shaped groove and attached to the U-shaped groove during installation. Through installing last screens piece 32 in the U type recess of lower screens piece 31 with embedding, simple to operate is swift, and the screens effect is tight.

Specifically, a lower fixing hole is formed in the lower clamping block 31, an upper fixing hole corresponding to the lower fixing hole is formed in the upper clamping block 32, and the platform bottom plate 2 is fixed on the U-shaped beam mold 1 through a bolt fastener 33 penetrating through the lower fixing hole and the upper fixing hole during installation. Through the connection of the perforated reuse bolt fastener 33, the U-shaped beam mold 1 and the platform bottom plate 2 can be connected into a whole after installation, a good fastening effect is achieved on the U-shaped inner template 12, and the bolt connection mode and the assembling and disassembling process are convenient and fast.

Specifically, the platform bottom plate 2 comprises a frame, and a steel mesh 23 is laid at the upper end of the frame. The mode that sets up frame and steel mesh 23 and be connected can alleviate the weight of platform bottom plate 2 under the condition that guarantees to satisfy the use strength requirement, convenient loading and unloading, material saving cost.

Specifically, the frame is a rectangular frame enclosed by two cross beams 21 and two longitudinal beams 22, and the upper clamping block 32 is fixed below the cross beams 21; two lower clamping blocks 31 are respectively arranged above each side wall of the U-shaped outer formwork 11 and the U-shaped inner formwork 12, and the distance between the lower clamping blocks 31 on each side wall corresponds to the distance between the two cross beams 21. It should be understood that the distance between the lower detent blocks 31 corresponds to the distance between the two cross beams 21, and that each of the upper detent blocks 32 should be able to fit into a different lower detent block 31 after the platform floor 2 is installed on the U-beam mold 1.

Specifically, reinforcing beams 24 are arranged in the frame in a longitudinal and transverse distribution mode, and the reinforcing beams 24 are tightly attached to the lower surface of the steel net 23. The steel net 23 can be well supported by the reinforcing beam 24.

Specifically, a guardrail 4 is connected to each of the beams 21. The guardrail 4 is arranged to prevent people on the platform bottom plate 2 from falling off from the platform bottom plate 2 and falling into injuries.

Specifically, each guardrail is connected with two lifting lugs. The lifting lug can be used for lifting and dismounting in the embodiment.

Specifically, the U-shaped beam mold 1 is a multi-cell U-shaped beam mold, the U-shaped inner mold plate 12 includes two middle web mold plates 122 and two side web mold plates 121, the side web mold plates 121 are close to the inner side wall of the U-shaped outer mold plate 11, and the middle web mold plate 122 is located between the two side web mold plates 121.

When the U-shaped formwork is installed, a sling can be fixed on the lifting lug 5 by hoisting through a crane, the upper clamping block 32 is hung through the crane, aligned with the lower clamping block 31 and embedded into the U-shaped groove of the lower clamping block 31, the U-shaped formwork is arranged on the U-shaped formwork 1 through the bolt fastener 33, the U-shaped outer formwork 11 and the U-shaped inner formwork 12 are connected into a whole from the upper side of the U-shaped beam, and the U-shaped inner formwork 12 is well fixed.

The embodiment has the following beneficial effects: the utility model provides a U type roof beam operation platform for pouring erects above the U type roof beam mould, and the workman can directly stand and construct on operation platform during the construction, convenient and fast, is particularly suitable for the prefabrication of many check rooms U type roof beam, can pour the floor in the middle part of the U type roof beam fast, realizes quick construction; in addition, the U-shaped outer formwork and the U-shaped inner formwork can be connected into a whole from the upper side of the U-shaped beam, a good fixing effect is achieved on the U-shaped inner formwork, particularly when the U-shaped beam is prefabricated by UHPC materials, the U-shaped inner formwork can be effectively prevented from being influenced by large buoyancy force, and displacement of the U-shaped inner formwork is prevented.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. The utility model provides a U type roof beam is pour and is used operation platform for pouring of U type roof beam, install on U type roof beam mould during the use, U type roof beam mould includes U type exterior sheathing and U type interior sheathing, the inner wall of U type exterior sheathing with be formed with between the outer wall of U type interior sheathing and pour cavity, its characterized in that: the U-shaped beam die comprises a platform bottom plate arranged on the upper end face of the U-shaped beam die, a plurality of lower clamping blocks are fixedly connected to the end portions of the side walls of a U-shaped outer die plate and a U-shaped inner die plate respectively, a plurality of upper clamping blocks corresponding to the lower clamping blocks are fixedly connected to the lower end of the platform bottom plate, and each upper clamping block is connected with the corresponding lower clamping block in a clamping mode, so that the platform bottom plate is fixedly arranged on the U-shaped beam die.

2. An operation platform for U-shaped beam pouring according to claim 1, wherein: each lower clamping block is provided with a U-shaped groove allowing the corresponding upper clamping block to extend into and form clamping connection.

3. An operation platform for U-shaped beam pouring according to claim 2, wherein: each lower clamping block is provided with a lower fixing hole, the corresponding upper clamping block is provided with an upper fixing hole corresponding to the lower fixing hole, and the platform bottom plate is fixed on the U-shaped beam die by penetrating through the lower fixing hole and the upper fixing hole through a bolt fastener during installation.

4. An operation platform for U-shaped beam pouring according to claim 1, wherein: the platform bottom plate comprises a frame arranged on the upper end face of the U-shaped beam die, and a steel mesh is paved on the frame.

5. An operation platform for pouring of U-shaped beams according to claim 4, characterized in that: the frame is a rectangular frame enclosed by two cross beams and two longitudinal beams, two lower clamping blocks are respectively arranged above each side wall of the U-shaped outer template and the U-shaped inner template at intervals along the longitudinal direction, each upper clamping block is fixed on each cross beam, and the distance between the lower clamping blocks on each side wall corresponds to the distance between the two cross beams.

6. An operation platform for pouring of U-shaped beams according to claim 5, characterized in that: and reinforcing beams which are longitudinally and transversely distributed are arranged in the frame, and the reinforcing beams are tightly attached to the lower surface of the steel mesh.

7. An operation platform for pouring of U-shaped beams according to claim 5, characterized in that: each cross beam is provided with a guardrail along the length direction of the cross beam.

8. An operation platform for pouring of U-shaped beams according to claim 7, characterized in that: each guardrail is connected with two lifting lugs.

9. An operation platform for U-shaped beam pouring according to claim 1, wherein: the U-shaped beam mold is a multi-cell U-shaped beam mold, the U-shaped inner template comprises a middle web template and two side web templates, and the middle web template is positioned between the two side web templates.