CN218810037U - Hanger system for detaching bottom formwork - Google Patents

Abstract

The utility model provides a hanger system for removing a bottom template, which comprises a lower supporting girder, a hoisting machine and an upper supporting girder, wherein the upper supporting girder and the lower supporting girder are arranged in parallel, and the hoisting machine is fixed between the lower supporting girder and the upper supporting girder; the upper supporting main beam is fixed on the concrete surface of the capping beam or the middle tie beam, and the hoisting machinery is fixed in the concrete area of the upper supporting main beam exposed out of the capping beam or the middle tie beam. The utility model discloses link into an integrated entity under bracing girder and die block assembly, use hoisting machinery when demolising the die block board to fall the whole synchronization whereabouts of die block assembly until falling to the ground, have the advantage of demolising the die block convenience, not occuping the construction access road.

Description

Hanger system for detaching bottom formwork

Technical Field

The utility model relates to a bridge construction field especially relates to a gallows system that bottom form was demolishd.

Background

In the bridge construction, after concrete pouring of a capping beam or a middle tie beam is finished, a template system is generally dismantled in two stages, a non-bearing template, a side template and an end template are dismantled in the first stage when the strength of the concrete reaches more than 2.5MPa, and a bearing bottom template and a supporting system are dismantled in the second stage after the strength of the concrete reaches the bearing requirement.

When the bearing bottom formwork is dismantled, the conventional method is that a truck crane is matched with manpower, the bottom formwork, all distribution beams, main beams, a hoop system and other components of a supporting system are dismantled one by one from top to bottom, and the whole dismantling process is long.

Moreover, the whole process is basically in the states of high-altitude operation of personnel and hoisting operation of a truck crane, various potential safety hazards such as high-altitude falling, object striking, mechanical injury, overturning and the like exist, the danger is extremely high, and the expenses of personnel and mechanical shifts are high due to long-time operation.

Particularly, bridge construction in mountainous areas is limited by the height and the relief of terrains, and the site is often only provided with a narrow construction access road and also serves as a construction site. If the crane occupies the access road for a long time during form removal, the crane is not beneficial to the passage of other vehicles and influences the construction of other areas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gallows system that die block board was demolishd connects into an organic whole with under bracing girder and die block assembly, uses jack-up machinery when demolising the die block board to fall the die block assembly whole synchronous whereabouts until falling to the ground, has the advantage of demolising the die block convenience, not occuping the construction sidewalk.

Realize the utility model discloses the technical scheme of purpose as follows:

a hanging bracket system for removing a bottom template comprises a lower support main beam, a hoisting machine and an upper support main beam, wherein the upper support main beam and the lower support main beam are arranged in parallel, and the hoisting machine is fixed between the lower support main beam and the upper support main beam;

the upper support main beam is fixed on the concrete surface of the capping beam or the middle tie beam, and the hoisting machinery is fixed on the concrete area of the upper support main beam exposed out of the capping beam or the middle tie beam.

In one possible implementation manner, the hoisting machine comprises two groups of chain blocks, and the two groups of chain blocks are positioned on two sides of the concrete surface of the cover beam or the middle tie beam;

the hand chain block comprises an upper lifting hook, a block body and a lower lifting hook, the upper lifting hook is detachably connected with the upper supporting main beam, the lower lifting hook is detachably connected with the lower supporting main beam, and the block body is positioned between the upper lifting hook and the lower lifting hook;

the main supporting beam and the lower template assembly are put down below the gourd body.

The utility model discloses utilize two sets of chain block to transfer lower support girder and lower template component, receive and release the calabash respectively through two people and lead the chain, slowly fall die block and braced system whole synchronization until falling to the ground. Has the advantage of convenient lowering.

In a possible implementation manner, the safety device further comprises a safety component, wherein the safety component is fixed between the upper support main beam and the lower support main beam;

the safety component is positioned beside the capping beam or the middle tie beam concrete and is arranged in parallel to the hoisting machinery.

In a possible implementation mode, the lower surface of the upper supporting girder and the upper surface of the lower supporting girder are both provided with lifting rings, the top end of the safety component is connected with the lifting rings of the upper supporting girder, and the bottom end of the safety component is connected with the lifting rings of the lower supporting girder.

In one possible implementation manner, the safety component comprises an upper U-shaped shackle, a lower U-shaped shackle and a safety steel wire rope;

the upper U-shaped shackle is fixedly connected with a lifting ring of the upper support main beam, and the lower U-shaped shackle is fixedly connected with a lifting ring of the lower support main beam;

the top end of the safety steel wire rope is fixed on the upper U-shaped shackle, and the bottom end of the safety steel wire rope is fixed on the lower U-shaped shackle.

In a possible implementation mode, the lower surface of the upper supporting girder is fixed with the upper surface of the lower supporting girder is provided with a hanging nose, the top end of the chain block is detachably connected with the hanging nose of the upper supporting girder, and the bottom end of the chain block is detachably connected with the hanging nose of the lower supporting girder.

In one possible implementation, the suspension nose is fixedly connected with the upper support girder through a reinforcing rib, the reinforcing rib penetrates through the upper support girder along the thickness direction of the upper support girder, and the reinforcing rib is fixedly connected with the upper support girder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses connect into an organic whole with lower support girder and die block assembly, use hoisting machinery when demolising the die block board to fall the whole synchronous whereabouts of die block assembly until falling to the ground, have the advantage that demolishs the die block convenience, do not occupy the construction sidewalk.

Drawings

Fig. 1 is a schematic front view of a hanger system before a bottom form is removed according to the present invention;

fig. 2 is a schematic side view of the hanger system before the bottom form is removed according to the present invention;

FIG. 3 is a schematic side view of a hanger system during a bottom form removal process according to the present invention;

fig. 4 is a schematic view of a hanger system provided by the present invention;

FIG. 5 is a front elevational view of the safety assembly installation;

FIG. 6 is a side elevational view of the safety assembly installation;

FIG. 7 is an elevational view of the upper support girder;

FIG. 8 is a side elevational view of the upper support girder;

in the figure, 1-lower support main beam; 2-upper supporting main beams; 21-hanging a nose; 22-a suspension ring member; 23-reinforcing ribs; 24-reinforcing ribs; 3-bent cap or middle system beam concrete; 4-chain block; 41-upper hook; 42-gourd body; 43-lower hook; 5-a hoisting ring; 6-a safety component; 61-installing a U-shaped shackle; 62-lower U-shaped shackle; 63-safety steel wire rope; 7-steel anchor ear; 8-pier stud; 9-bottom template; 10-a distribution beam; 11-main beam.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1 to 8, an embodiment of the present invention provides a hanger system for removing a bottom form 9, including a lower support girder 1, a hoisting machine, and an upper support girder 2, where the upper support girder 2 and the lower support girder 1 are arranged in parallel, and the hoisting machine is fixed between the lower support girder 1 and the upper support girder 2; the upper support girder 2 is fixed on the surface of the capping beam or the middle tie beam concrete 3, and the hoisting machine is fixed on the area of the upper support girder 2 exposed out of the capping beam or the middle tie beam concrete 3.

With continued reference to fig. 1 to 8, the preferred hoisting machine comprises two sets of chain blocks 4, the two sets of chain blocks 4 are located on two sides of the surface of the cover beam or the middle tie beam concrete 3; the chain block 4 comprises an upper lifting hook 41, a block body 42 and a lower lifting hook 43, the upper lifting hook 41 is detachably connected with the upper supporting main beam 2, the lower lifting hook 43 is detachably connected with the lower supporting main beam 1, and the block body 42 is positioned between the upper lifting hook 41 and the lower lifting hook; the hoist body 42 extends to lower the support main beam 1 and the lower template assembly.

Please continue to refer to fig. 1 to 8, the utility model discloses utilize two sets of chain block 4 to transfer lower support girder 1 and lower template component, receive and release the calabash guide chain respectively through two people, slowly fall die block and braced system whole synchronization, until falling to the ground. Has the advantage of convenient lowering.

With continued reference to fig. 1 to 8, it preferably further includes a safety component 6, the safety component 6 is fixed between the upper support main beam 2 and the lower support main beam 1; the safety component 6 is arranged beside the capping beam or the middle tie beam concrete 3, and the safety component 6 is arranged in parallel to the hoisting machinery.

With reference to fig. 1 to 8, preferably, the lower surface of the upper supporting main beam 2 and the upper surface of the lower supporting main beam 1 are both provided with a hanging ring 5, the top end of the safety component 6 is connected to the hanging ring 5 of the upper supporting main beam 2, and the bottom end of the safety component 6 is connected to the hanging ring 5 of the lower supporting main beam 1.

With continued reference to fig. 1-8, the preferred safety assembly 6 includes an upper U-shackle 61, a lower U-shackle 62, and a safety cable 63; the upper U-shaped shackle 61 is fixedly connected with the hoisting ring 5 of the upper support main beam 2, and the lower U-shaped shackle 62 is fixedly connected with the hoisting ring 5 of the lower support main beam 1; the top end of the safety steel wire rope 63 is fixed on the upper U-shaped shackle 61, and the bottom end of the safety steel wire rope 63 is fixed on the lower U-shaped shackle 62.

With reference to fig. 1 to 8, preferably, the lower surface of the upper supporting main beam 2 and the upper surface of the lower supporting main beam 1 are both provided with a hanging nose 21, the top end of the chain block 4 is detachably connected to the hanging nose 21 of the upper supporting main beam 2, and the bottom end of the chain block 4 is detachably connected to the hanging nose 21 of the lower supporting main beam 1.

Referring to fig. 1 to 8, preferably, the hanging nose 21 is fixedly connected to the upper supporting main beam 2 through a reinforcing rib 24, the reinforcing rib 24 penetrates through the upper supporting main beam 2 along the thickness direction of the upper supporting main beam 2, and the reinforcing rib 24 is fixedly connected to the upper supporting main beam 2.

In practical applications, please continue to refer to fig. 1 to 8, the hanger system of the embodiment of the present invention mainly comprises an upper and a lower steel supporting main beams, a chain block 4, and a safety steel cable 63. 2 upper support girders and 2 lower support girders are all double spliced [ the section steel is welded with the section steel hanging nose 21, and the upper and lower support girders 1 are connected by a chain block 4. When the template support system and the bottom template are installed, the support main beams 11, the distribution beams 10 and the bottom template 9 are connected into a whole in advance through temporary spot welding or other modes, so that the whole disassembly is convenient. When the bottom die is detached, the upper support main beam 2 is firstly arranged on the top surface of the cover (tie) beam, the lower support main beam 1 is connected by using the chain block 4, the lower support main beam 1 corresponds to the position of the upper support main beam 2, and the block is tensioned below the cover (tie) beam bottom die support main beam 11. After fastening is finished, the steel anchor ear 7 is removed after the safety steel wire rope 63 is installed, and the bottom die is in a suspension state of the chain block 4 and the upper and lower support main beams 1. Then, the hoist guide chains are respectively retracted and released by two persons, the bottom die and the supporting system integrally and synchronously fall down slowly until the bottom die and the supporting system fall to the ground, and then the template, the supporting system and the hanging bracket system are detached to enter the next turnover.

With reference to fig. 1 to 8, the embodiment of the present invention integrates the lower supporting main beam 1 and the bottom die assembly, and when the bottom die plate 9 is removed, the bottom die assembly falls down to the ground in a whole synchronization manner by using the hoisting machine, which has the advantages of convenient removal of the bottom die and no occupation of the construction sidewalk.

It should be noted that the embodiment of the utility model provides a gallows system except adopting chain block 4, can adopt electric block, wireless remote control or similar principle instrument do, improves the security. The safety steel wire rope is only one form for providing safety storage, and a safety catch or a similar principle tool can be adopted to improve the safety storage.

Please continue to refer to fig. 1 to 8, the hanger system of the embodiment of the present invention includes an upper support girder 2, a lower support girder 1, a chain block 4, and a supporting guide chain and a safety steel wire 63, wherein the upper support girder 2 is formed by welding profile steel and plain steel bars, the girder 11 adopts double-spliced channel steel, and the hanging nose 21 adopts an i-steel end opening as a hanging hole so as to hang the block. And two ends of the main beam 11 are welded with hoisting rings 5 for installing safety steel wire ropes 63. The main beam 11, the hanging nose 21 and the periphery of the hanging hole are reinforced by hot rolling plain steel bars. The lower supporting main beam 1 and the upper supporting main beam 2 have the same structure and are symmetrical only in direction. The utility model discloses chain block 4 and supporting chain of leading purchase from regular producer, select 2 at least times of insurance coefficient, the unhooking device of seting up defences. After each use, the maintenance work of the gourd is well done so as to improve the service life and the safety performance of the gourd.

In order to prevent the hoist from losing efficacy when the steel hoop 7 is dismantled or temporarily suspends and falls to keep a suspension state, the upper and lower supporting main beams 1 are connected in a split manner by adopting a steel wire rope to serve as a safety. The steel wire rope and the supporting main beam hanging ring 5 are connected through a U-shaped shackle, so that the steel wire rope is convenient to disassemble and assemble.

With reference to fig. 1 to 8, the hanger system according to the embodiment of the present invention has a simple structure, convenient processing and operation, high applicability, and high turnover rate; the hanger system support main beam is composed of common structural steel and steel bars on the construction site, has a simple structure, and can be processed and welded on site. The chain block 4, the steel wire rope and the U-shaped shackle are all conventional tools, and finished products can be easily purchased in the market. The supporting main beam, the hoist and the steel wire rope of the hanger system are independent units, and can be easily assembled and connected through reserved lifting holes, the lifting rings 5, the lifting hooks and the U-shaped shackles, and the operation is convenient. The hanger system and the construction method can be suitable for the dismantling construction of common bent cap and middle tie beam bottom formworks 9 of all types, have strong applicability, can be used repeatedly all the time, and have high turnover rate.

The hanger system of the embodiment of the utility model has low requirements on site conditions, and improves the service efficiency of the access road; the truck crane is matched with a manual conventional dismantling method, the operation site of the hoisting equipment is required to be flat and firm, the operation site is limited by terrain and narrow space in a mountain area, the site finishing work amount is large, or the site cannot be provided at all, and only a construction access can be occupied. The equipment occupies a long access road, is not beneficial to the passing of other vehicles and directly influences the construction of other areas. The method has no high requirement on the field, and only needs to simply level the ground below the bent cap. In the construction process, only when the hanger system is installed and the bottom die is disassembled after falling off, the lifting equipment is used for a short time to occupy the access road, so that the occupation of the construction access road is reduced, and the use efficiency of the access road is improved.

With reference to fig. 1 to 8, the hanger system according to the embodiment of the present invention greatly reduces the potential safety hazard and has higher safety; the truck crane is matched with a manual conventional dismantling method, each component is dismantled one by one from top to bottom, the dismantling time is long, the whole process is basically in the high-altitude operation state of personnel and the hoisting operation state of the truck crane, various potential safety hazards such as high-altitude falling, object striking, mechanical injury, overturning and the like exist, and the danger is extremely high. The method greatly reduces the time of high-altitude operation of lifting and personnel, and in order to prevent the failure of a hoist when the steel hoop 7 is dismantled or temporarily suspends to fall and keep a suspension state, the safety steel wire rope 63 is adopted to carry out opposite-pulling connection on the upper and lower supporting main beams 1, so that the safety storage is improved. And operators are required to stand on the side of the beam outside the projection of the supporting system for operation, and the state of the hoist is often checked. Through the measures, the potential safety hazards are greatly reduced, and the safety is higher.

The hanger system of the embodiment of the utility model has low cost; the hanger system is made of conventional materials and tools, is less in material consumption, simple to machine and low in machining cost, can be recycled, and further amortizes the cost. The use time of the hoisting equipment is greatly shortened in the dismantling process, so that a large amount of equipment machine-class cost is reduced.

The utility model discloses above-mentioned gallows system does benefit to the finished product protection, and the quality is more secure. The truck crane is matched with a manual conventional dismantling method, the amplitude of each component of the template and the supporting system is not easy to control, and the cover beam and the upright post are easy to scrape and touch, so that finished products are damaged. According to the method, the whole bottom die and the supporting system are dismantled in a falling mode, the bottom die and the supporting system fall slowly under manual control, the falling range is small, the template can be effectively prevented from damaging finished concrete, finished product protection is facilitated, and the quality is guaranteed.

The hanging bracket system of the embodiment of the utility model has simple structure, convenient processing and operation, strong applicability and high turnover rate; the utility model discloses the gallows construction method of embodiment requires lowly to the site conditions, has improved the availability factor of way; the construction method of the hanging bracket of the embodiment of the utility model greatly reduces the potential safety hazard and has higher safety; the hanger system of the embodiment of the utility model has low cost; the finished product protection is facilitated, and the quality is more guaranteed.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The hanging bracket system for removing the bottom template is characterized by comprising a lower supporting main beam, a hoisting machine and an upper supporting main beam, wherein the upper supporting main beam and the lower supporting main beam are arranged in parallel, and the hoisting machine is fixed between the lower supporting main beam and the upper supporting main beam;

the upper support main beam is fixed on the concrete surface of the capping beam or the middle tie beam, and the hoisting machinery is fixed in the area of the upper support main beam exposed out of the concrete surface of the capping beam or the middle tie beam.

2. The bottom form removal hanger system of claim 1, wherein the hoist includes two sets of chain blocks, the two sets of chain blocks being located on opposite sides of the concrete surface of the capping beam or the center sill;

the chain block comprises an upper lifting hook, a block body and a lower lifting hook, the upper lifting hook is detachably connected with the upper support main beam, the lower lifting hook is detachably connected with the lower support main beam, and the block body is positioned between the upper lifting hook and the lower lifting hook;

the main supporting beam and the lower template assembly are put down below the gourd body.

3. The bottom form removal hanger system according to claim 1 or 2, further comprising a fuse assembly secured between the upper and lower support girders;

the safety assembly is located beside the concrete of the cover beam or the middle tie beam, and the safety assembly is parallel to the hoisting machinery.

4. The hanging bracket system for removing the bottom template according to claim 3, wherein the lower surface of the upper supporting main beam and the upper surface of the lower supporting main beam are both provided with a hanging ring, the top end of the safety component is connected with the hanging ring of the upper supporting main beam, and the bottom end of the safety component is connected with the hanging ring of the lower supporting main beam.

5. The bottom form removal hanger system of claim 3, wherein said fuse assembly includes an upper U-shackle, a lower U-shackle, and a fuse cable;

the upper U-shaped shackle is fixedly connected with the hanging ring of the upper supporting main beam, and the lower U-shaped shackle is fixedly connected with the hanging ring of the lower supporting main beam;

the top end of the safety steel wire rope is fixed on the upper U-shaped shackle, and the bottom end of the safety steel wire rope is fixed on the lower U-shaped shackle.

6. The hanging bracket system for removing the bottom formwork according to claim 2, wherein the lower surface of the upper supporting main beam and the upper surface of the lower supporting main beam are both provided with a hanging nose, the top end of the chain block is detachably connected with the hanging nose of the upper supporting main beam, and the bottom end of the chain block is detachably connected with the hanging nose of the lower supporting main beam.

7. The hanger system for demolishing a floor form as recited in claim 6, wherein the hanger nose is fixedly connected to the upper support main beam by a reinforcing rib, the reinforcing rib penetrating the upper support main beam in a thickness direction of the upper support main beam, the reinforcing rib being fixedly connected to the upper support main beam.

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