CN219863953U - Overhanging type protective frame for house construction engineering - Google Patents

Abstract

The utility model discloses an overhanging type protection frame for building engineering, which comprises a support, an overhanging beam, a wall connecting piece and an adjustable pull rod, wherein the overhanging beam is fixed at the lower part of a concrete structure through an embedded connecting piece, the upper end of the adjustable pull rod is fixed at the upper part of the concrete structure through the embedded connecting piece, the lower end of the adjustable pull rod is connected with the free end of the overhanging beam, the lower part of the support is connected with the overhanging beam, the upper part of the support is connected with the concrete structure through the wall connecting piece, the overhanging beam comprises overhanging section steel and an overhanging sleeve, one end of the overhanging section steel, which is close to the concrete structure, is sleeved in the overhanging sleeve and slides relatively, a fastening assembly is arranged on the overhanging sleeve, and after the length of the overhanging beam is adjusted, the overhanging section steel and the overhanging sleeve are fixed through the fastening assembly. The problem that the length of the cantilever main beam cannot be adjusted according to actual conditions and the adaptability is poor is solved.

Description

Overhanging type protective frame for house construction engineering

Technical Field

The utility model relates to the field of civil engineering, in particular to an overhanging type protection frame for building engineering.

Background

In order to ensure the safety and the beauty of the construction of the outer scaffold, ensure the engineering quality, the safety and the construction innovation of civilization, strengthen the quality, the safety and the construction management of civilization, ensure the construction safety of high-altitude operation, the operation performed by operators on a building belongs to the high-altitude operation, and reliable safety protection measures are required to ensure the personal safety of the operators. The traditional overhanging type protective frame is long in erection time, workers need to continuously carry out high-altitude erection and disassembly operations, and the workload and the dangerousness are high.

In order to improve the stability and the safety of the overhanging type protective frame and facilitate the assembly and disassembly, in the prior art, for example, an overhanging type frame system is proposed in China patent application number 202010863225.5, wherein the rear end of I-steel in an overhanging type frame component is fixed on an upper seat at the outer side of an upper side wall and a lower seat at the outer side of a lower side wall; the two ends of the upper pull rod are respectively connected with the I-steel and the lower seat of the cantilever frame component above the I-steel; the two ends are respectively connected with the I-steel and the left lower support rod and the right lower support rod of the lower seat. The problems of poor stability and safety and inconvenient assembly and disassembly of the traditional overhanging type protective frame are solved, but the structure of the overhanging type protective frame system is complex, and the assembly and disassembly steps are more.

The steel beam outer scaffold device and the installation method thereof are provided by Chinese patent with the application number of 202210898967.0, the overhanging girder is connected to the lower part of the 1 st layer overhanging layer structure concrete through a first bolt connected to the overhanging layer structure concrete, the upper end of the diagonal draw bar is connected to the upper part of the 1 st layer overhanging layer structure concrete through a second bolt, the lower end of the diagonal draw bar is connected to the overhanging girder, the inner end of the wall connecting piece is connected to the n layer overhanging layer structure concrete, n is an integer greater than 2, the bottom surface of the first frame body is abutted to the upper surface of the overhanging girder, the m+1 th frame body is connected with the outer end of the wall connecting piece, and m is an integer greater than 1. The problems of low safety coefficient, long erection time and complex erection and dismantling operations of the traditional overhanging type protective frame are solved. However, the length of the cantilever girder in the steel girder external scaffold device cannot be adjusted according to actual needs, if the cantilever girder meeting the length requirement does not exist, the cantilever girder with the corresponding length is manufactured again, so that the material cost is increased, time and labor are wasted, and the adaptability is poor.

Disclosure of Invention

1. Technical problem to be solved

The utility model provides an overhanging type protective frame for building engineering, which improves the stability and safety of the overhanging type protective frame and also solves the problems that the length of an overhanging girder cannot be adjusted according to actual conditions and the adaptability is poor.

2. Technical proposal

In order to achieve the above purpose, the utility model provides an overhanging type protection frame for building engineering, which comprises a bracket, an overhanging beam, a wall connecting piece and an adjustable pull rod, wherein the overhanging beam is fixed at the lower part of a concrete structure through an embedded connecting piece, the upper end of the adjustable pull rod is fixed at the upper part of the concrete structure through the embedded connecting piece, the lower end of the adjustable pull rod is connected with the free end of the overhanging beam, the lower part of the bracket is connected with the overhanging beam, the upper part of the bracket is connected with the concrete structure through the wall connecting piece, the overhanging beam comprises overhanging section steel and an overhanging sleeve, one end of the overhanging section steel, which is close to the concrete structure, is sleeved in the overhanging sleeve and slides relatively to the overhanging sleeve, and a fastening assembly is arranged on the overhanging sleeve.

By adopting the technical scheme, the length of the cantilever beam can be adjusted by pulling out and withdrawing the cantilever steel according to construction requirements, the cantilever steel and the cantilever sleeve are fixed through the fastening assembly after the length adjustment is finished, the cantilever beam with various lengths does not need to be manufactured, the construction cost is saved, the time and the labor are saved, the adaptability is strong, and the cantilever type protection frame is rapid and convenient to install and detach, and stable and safe in structure.

Preferably, the cantilever steel is cantilever I-steel, the cross section of the cantilever sleeve is rectangular, the fixed end of the cantilever sleeve is fixedly connected with a base anchor plate, the base anchor plate is provided with a connecting hole, the base anchor plate is fixedly connected with the surface of the concrete structure through a pre-buried connecting piece, a stiffening plate is fixedly connected between the lower surface of the cantilever sleeve and the base anchor plate, the cantilever I-steel is sleeved in the cantilever sleeve and slides relatively, the connecting end of the cantilever I-steel is fixedly connected with a limiting plate, the vertical inner wall of the cantilever sleeve is fixedly connected with a baffle, and the height of the baffle is smaller than the waist height of the cantilever I-steel.

By adopting the technical scheme, the overhanging section steel adopts the overhanging I-steel, and has good bending resistance, good stability and even stress; the stiffening plate can increase the strength of the connection part of the cantilever beam and the base anchoring plate, and prevent the connection part of the cantilever beam and the base anchoring plate from being broken due to stress concentration; the limiting plate and the baffle are matched to prevent the overhanging I-steel from slipping.

Preferably, the fastening assembly is arranged on the same side of the baffle, the fastening assembly is close to the free end of the overhanging sleeve, the fastening assembly comprises a fixing bolt and a fastening plate, the fixing bolt is in threaded connection with one side surface of the overhanging sleeve and penetrates through the side surface, the fastening plate is connected with one end of the fixing bolt, which stretches into the overhanging sleeve, and the fixing bolt rotates relative to the fastening plate, after the length of the overhanging beam is adjusted, the fixing bolt is screwed into the overhanging sleeve, and the fixing bolt pushes the fastening plate to be close to one side of the waist of the overhanging I-steel and tightly squeezes the fixing bolt and the overhanging I-steel.

By adopting the technical scheme, after the length of the cantilever beam is adjusted, the cantilever I-steel can be quickly and conveniently fixed.

Preferably, when the length of the cantilever beam is less than 1800mm, the upper surface of the cantilever beam is provided with a movable locating pin, a lifting lug and a locating pin, a single adjustable pull rod is arranged, the lower ends of the adjustable pull rods are connected with the cantilever beam through the lifting lugs, the upper ends of the adjustable pull rods are connected with the upper parts of the concrete structures through the embedded connecting pieces, the horizontal vertical distance between the axes of the embedded connecting pieces and the axes of the cantilever I-steel is 100-150mm, when the length of the cantilever beam is greater than or equal to 1800mm, the upper surface of the cantilever beam is also provided with a movable lifting lug, two adjustable pull rods are arranged, the lower ends of the two adjustable pull rods are connected with the cantilever beam through the lifting lugs and the movable lifting lug respectively, the upper ends of the two adjustable pull rods are connected with the upper parts of the concrete structures through the two embedded connecting pieces respectively, and the horizontal vertical distance between the axes of the embedded connecting pieces and the axes of the cantilever I-steel is 100-150mm.

By adopting the technical scheme, the position of the lifting point of the movable lifting lug on the cantilever I-steel can be adjusted according to stress analysis, and the movable positioning pin can adjust the position of the movable lifting lug on the cantilever according to the length of the cantilever and the stress analysis, so that the cantilever is flexible and strong in adaptability.

Preferably, the support comprises a vertical rod, a horizontal rod and a sweeping rod, wherein each two vertical rods are arranged in a row and are provided with a plurality of rows along the length direction of the concrete structure, the two rows of vertical rods are arranged on the corresponding cantilever beams through the positioning pins and the movable positioning pins, two ends of the sweeping rod are fixedly connected to the lower ends of the two vertical rods respectively through rotary fasteners, the longitudinal direction parallel to the length direction of the concrete structure is fixed to the plurality of transverse sweeping rods through a plurality of rotary fasteners, two ends of the transverse rod are fixedly connected to the upper parts of the two vertical rods respectively through the rotary fasteners, and the longitudinal direction parallel to the length direction of the concrete structure is fixed to the plurality of transverse horizontal rods through a plurality of rotary fasteners.

By adopting the technical scheme, the bracket is convenient and quick to mount and dismount, and has a stable structure.

Preferably, the adjustable pull rod comprises an adjusting pipe, a first pull rod and a second pull rod, wherein the lower end of the first pull rod is in threaded connection with the upper end of the adjusting pipe, the upper end of the second pull rod is in threaded connection with the lower end of the adjusting pipe, the upper end of the first pull rod is connected with the concrete structure through the embedded connecting piece, and the lower end of the second pull rod is connected with the cantilever beam.

By adopting the technical scheme, the length of the pull rod can be flexibly adjusted according to actual requirements.

Preferably, the wall connecting piece is arranged in a one-step two-span mode, the wall connecting piece comprises a steel plate and a steel pipe, a connecting hole is formed in the steel plate, the steel plate is fixedly connected to the upper portion of the concrete structure through the embedded connecting piece, the steel pipe is fixedly connected to the outer side face of the steel plate, and the steel pipe is connected with the horizontal rod through the rotary fastener.

By adopting the technical scheme, the bracket and the concrete structure can be fixed through the wall connecting piece, so that the stability of the bracket is improved.

Preferably, the embedded connecting piece comprises a plastic sleeve, a first nut, a stud bolt and a second nut, wherein the plastic sleeve is embedded in an embedded point position of the concrete structure, the first nut is fixed at one end of the plastic sleeve, which is positioned in the concrete structure, the stud bolt penetrates into the plastic sleeve and is in threaded connection with the first nut, the threaded part of the stud bolt, which is positioned at the outer side of the concrete structure, penetrates through the connecting hole on the base anchor plate and the steel plate and is fastened through the second nut, and gaskets are arranged between the second nut and the steel plate and between the base anchor plate.

By adopting the technical scheme, one end of the cantilever beam is connected with the concrete structure through the embedded connecting piece (or the embedded steel plate), the cantilever Liang Moxu is anchored into the cantilever length which is 1.25 times, and the consumption of the profile steel can be at least saved by 53.15%. The adjustable pull rod drawknot does not need to be provided with a hole on the template for embedding a pull ring, so that the loss can be reduced, the repeated utilization rate of the template can be improved, and the cost can be reduced; the cantilever beam and the upper section pull rod are connected with the concrete structure through the pre-buried connecting piece, besides the corner, the cantilever beam and the upper section pull rod do not need to be cut when being dismantled, and the loss of the bolt is avoided; meanwhile, the dismantled adjustable pull rod can be recycled, the repeated utilization rate of members such as the pull rod, the bolt and the like is high, and the cost is saved.

Preferably, the free end of the stud connected with the upper end of the pull rod is fixedly connected with a double-lug pull ring, and the upper end of the pull rod is connected with the double-lug pull ring.

By adopting the technical scheme, the adjustable pull rod is convenient to install and detach.

The utility model has the following beneficial effects:

1. the adjustable pull rod type cantilever protection frame is unique in structural form, the upper section pull rod and the end part of the cantilever beam are connected with the side face of the concrete structure through the embedded connecting piece, the sleeve is embedded in the concrete structure, the cantilever beam does not need to be embedded in the concrete structure, the adjustable pull rod is tied without a hole embedded pull ring on the template, the later hole repairing process is avoided, the hidden danger of leakage water of the outer wall caused by hole repairing is eliminated, and the engineering quality is ensured.

2. One end of the cantilever beam is connected with the concrete structure through a pre-buried connecting piece (or a pre-buried steel plate), the cantilever Liang Moxu is anchored into the cantilever length of 1.25 times, and the consumption of the profile steel can be at least saved by 53.15%. The adjustable pull rod drawknot does not need to be provided with a hole on the template for embedding the pull ring, so that the loss can be reduced, the reuse rate of the template is improved, and the cost is reduced.

3. The cantilever beam and the upper section pull rod are connected with the concrete structure through the pre-buried connecting piece, besides the corner, the cantilever beam and the upper section pull rod do not need to be cut when being dismantled, and the loss of the bolt is avoided; meanwhile, the dismantled adjustable pull rod can be recycled, the repeated utilization rate of members such as the pull rod, the bolt and the like is high, and the cost is saved.

4. Because no cantilever beam is anchored on the floor of the cantilever layer, working procedures such as masonry, ground plastering and the like can be performed alternately, the follow-up work and construction are convenient, and the construction period is saved. Because components such as the adjustable pull rod, the embedded connecting piece, the cantilever beam, the wall connecting piece and the like can be produced in a factory in a finalized mode, the component has high dimensional accuracy and reliable quality, the labor input can be reduced, and the construction period is shortened.

5. The cantilever beam can adjust the length of the cantilever beam according to construction needs, the position of a lifting point of the movable lifting lug on the cantilever I-shaped steel can be adjusted according to stress analysis, the cantilever beam with different lengths does not need to be manufactured any more, the application range of the cantilever beam is increased, construction cost is saved, time and labor are saved, the positioning pin and the movable positioning pin are arranged on the cantilever beam, the movable positioning pin can adjust the position of the cantilever beam on the cantilever beam according to the length and the stress analysis of the cantilever beam, the two vertical rods are respectively fixed on the cantilever beam through the positioning pin and the movable positioning pin, the vertical rods close to one side of the concrete structure are fixed with the wall connecting piece through the rotary fasteners, the transverse sweeping rod is fixed between the two vertical rods through the rotary fasteners, the longitudinal sweeping rod is fixed on the transverse sweeping rod through the rotary fasteners, the connecting mode of the transverse and the longitudinal horizontal rod is the same, the plurality of foot plates are fully paved on the longitudinal horizontal rods located on the operation layer and are arranged on the outer side parts of the foot plates of the operation layer, the safety net is arranged on the outer sides of the foot plates of the support, the safety net is arranged on the outer sides of the foot plates, the safety net is fixedly arranged on the outer sides of the support, the two adjacent foot plates are sequentially connected between the two vertical rods and the safety protection devices are sequentially arranged on the outer sides of the support. Therefore, the overhanging type protective frame is rapid and convenient to assemble and disassemble, stable and safe in structure and strong in adaptability.

Drawings

FIG. 1 is a schematic diagram of the whole structure of an overhanging type protection frame for building engineering;

FIG. 2 is a schematic view of a cantilever beam structure of a cantilever type protection frame for building engineering according to the present utility model;

FIG. 3 is a schematic diagram showing the connection between the overhanging sleeve and overhanging I-steel of the overhanging type protective frame for building engineering;

FIG. 4 is a front view of an overhanging type protection frame for building construction according to the present utility model;

FIG. 5 is an enlarged view of FIG. 4A;

FIG. 6 is an enlarged view of B of FIG. 4;

fig. 7 is a schematic view of a wall connecting member of an overhanging type protection frame for building engineering.

1, a concrete structure; 2. a vertical rod; 3. a horizontal bar; 4. a sweeping rod; 5. an adjustable tie rod; 51. an adjusting tube; 52. a first pull rod; 53. a second pull rod; 6. a cantilever beam; 61. overhanging I-steel; 611. a positioning pin; 612. a fixing bolt; 613. a baffle; 614. a fastening plate; 62. a cantilever sleeve; 621. a movable lifting lug; 622. lifting lugs; 623. a movable positioning pin; 624. a limiting plate; 63. a base anchor plate; 64. stiffening plates; 7. rotating the fastener; 8. a wall connecting piece; 81. a steel plate; 82. a steel pipe; 9. a plastic sleeve; 91. a first nut; 10. a stud bolt; 11. a binaural pull ring; 12. a second nut; 13. a gasket.

Detailed Description

The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.

The utility model provides an overhanging type protection frame for building engineering, which comprises a plurality of brackets, overhanging beams 6, wall connecting pieces 8 and adjustable pull rods 5, wherein the overhanging beams 6 are arranged along the length direction of a concrete structure 1, the brackets are arranged on the overhanging beams 6, the upper parts of the brackets are connected with the concrete structure 1 through the wall connecting pieces 8, as shown in fig. 2 and 3, the overhanging beams 6 comprise overhanging I-steel 61 and overhanging sleeves 62, the cross section of each overhanging sleeve 62 is rectangular, the fixed ends of the overhanging sleeves 62 are fixedly connected with base anchor plates 63, the base anchor plates 63 are provided with connecting holes, the base anchor plates 63 are fixedly connected with the surface of the concrete structure 1 through pre-buried connecting pieces, stiffening plates 64 are fixedly connected between the lower surfaces of the overhanging sleeves 62 and the base anchor plates 63, the overhanging I-steel 61 are sleeved in the overhanging sleeves 62 and slide relatively, the connecting ends of the overhanging I-steel 61 are fixedly connected with limiting plates 624, the vertical inner wall of the cantilever sleeve 62 is fixedly connected with a baffle 613, the height of the baffle 613 is smaller than the waist height of the cantilever I-shaped steel 61, the cantilever sleeve 62 is provided with a fastening component which is arranged on the same side as the baffle 613 and is close to the free end of the cantilever sleeve 62, the fastening component comprises a fixing bolt 612 and a fastening plate 614, the fixing bolt 612 is in threaded connection with one side surface of the cantilever sleeve 62 and penetrates through the side surface, the fastening plate 614 is connected with one end of the fixing bolt 612 extending into the cantilever sleeve 62, the fixing bolt 612 rotates relative to the fastening plate 614, after the length of the cantilever beam 6 is adjusted, the fixing bolt 612 is screwed into the cantilever sleeve 62, the fixing bolt 612 pushes the fastening plate 614 to be close to one side of the waist of the cantilever I-shaped steel 61 and is squeezed tightly, the fixing bolt 612 and the fixing plate are fixed, when the length of the cantilever beam 6 is smaller than 1800mm, the upper surface of the cantilever beam 6 is provided with a movable positioning pin 623, the lifting lug 622 and the locating pin 611 are provided with a single adjustable pull rod 5, the lower ends of the adjustable pull rods 5 are connected with the cantilever beam 6 through the lifting lug 622, the upper ends of the adjustable pull rods 5 are connected with the upper portion of the concrete structure 1 through embedded connectors, the horizontal vertical distance between the axes of the embedded connectors and the axis of the cantilever I-steel 61 is 100-150mm, when the length of the cantilever beam 6 is more than or equal to 1800mm, the upper surface of the cantilever beam 6 is also provided with a movable lifting lug 621, double adjustable pull rods 5 are provided, the lower ends of the two adjustable pull rods 5 are respectively connected with the cantilever beam 6 through the lifting lug 622 and the movable lifting lug 621, the upper ends of the two adjustable pull rods 5 are respectively connected with the upper portion of the concrete structure 1 through two embedded connectors, and the horizontal vertical distance between the axes of the two embedded connectors and the axis of the cantilever I-steel 61 is 100-150mm.

As shown in fig. 1 and 4, the support includes pole setting 2, horizontal pole 3 and sweep the floor pole 4, every two pole setting 2 are one row and are equipped with the multirow along the length direction of concrete structure 1, two rows of pole setting 2 pass through locating pin 611 and movable locating pin 623 set up on the cantilever beam 6 that corresponds, the horizontal sweep the floor pole 4 both ends of perpendicular to concrete structure 1 surface are respectively through rotatory fastener 7 fixed connection at the lower extreme of two pole setting 2, the vertical sweep floor pole 4 that is on a parallel with concrete structure 1 length direction passes through a plurality of rotatory fastener 7 to be fixed on many horizontal sweep floor pole 4, the sweep floor pole 4 that is on a parallel with concrete structure 1 length direction is not given in the figure, the horizontal pole 3 both ends that are perpendicular to concrete structure 1 surface are respectively through rotatory fastener 7 fixed connection on the upper portion of two pole setting 2, the vertical horizontal pole 3 that is on a parallel with concrete structure 1 length direction passes through a plurality of rotatory fastener 7 on many horizontal pole 3, be connected with the diagonal bar from bottom to top in proper order between two pole setting up between the two pole setting up adjacent pole setting 2 in the outside the footboard, the horizontal pole setting up at the support of the level of the footboard is located the high-level of the support of the safety net and is located at the outside of the support of the high-level guard wire guard 1500, the guard bar is set up at the outside of the guard rail, the guard wire guard against the side of the guard. The inclined rod increases the stability of the support, the foot blocking plate can prevent tools and materials on the scaffold from falling to smash workers, the guard rail and the safety net can prevent the workers from falling to cause safety accidents, and the steel plate net is arranged to enable the structure to be attractive and environment-friendly, and meanwhile the safety of the overhanging protection frame is increased.

As shown in fig. 4, the adjustable pull rod 5 includes an adjusting pipe 51, a first pull rod 52 and a second pull rod 53, wherein the lower end of the first pull rod 52 is in threaded connection with the upper end of the adjusting pipe 51, the upper end of the second pull rod 53 is in threaded connection with the lower end of the adjusting pipe 51, the upper end of the first pull rod 52 is connected with the concrete structure 1 through a pre-buried connecting piece, and the lower end of the second pull rod 53 is connected with the cantilever beam 6.

As shown in fig. 7, the wall connecting member 8 is provided with two steps, the wall connecting member 8 comprises a steel plate 81 and a steel pipe 82, the steel plate 81 is provided with a connecting hole, the steel plate 81 is fixedly connected to the upper portion of the concrete structure 1 through a pre-buried connecting member, the steel pipe 82 is fixedly connected to the outer side face of the steel plate 81, and the steel pipe 82 is connected with the transverse horizontal rod 3 through a rotary fastener 7.

As shown in fig. 5 and 6, the embedded connecting piece comprises a plastic sleeve 9, a first nut 91, a stud bolt 10 and a second nut 12, wherein the plastic sleeve 9 is embedded in an embedded point of the concrete structure 1, the first nut 91 is fixed at one end of the plastic sleeve 9 positioned in the concrete structure 1, the stud bolt 10 penetrates into the plastic sleeve 9 and is in threaded connection with the first nut 91, a threaded part of the stud bolt 10 positioned outside the concrete structure 1 penetrates through connecting holes on the base anchor plate 63 and the steel plate 81 and is fastened through the second nut 12, and gaskets 13 are arranged between the second nut 12 and the steel plate 81 and the base anchor plate 63.

As shown in fig. 5, the free end of the stud 10 in the pre-buried connector connected to the upper end of the first pull rod 52 is fixedly connected to the double-lug pull ring 11, and the upper end of the first pull rod 52 is connected to the double-lug pull ring 11.

The adjustable pull rod 5 type cantilever protection frame is unique in structural form, the upper-section pull rod and the end part of the cantilever beam 6 are connected with the side surface of the concrete structure 1 through the embedded connecting piece, the sleeve is embedded in the concrete structure 1, the cantilever beam 6 is not required to be embedded in the concrete structure 1, the pull rod of the adjustable pull rod 5 is tied, a hole is not required to be formed in a template for embedding a pull ring, a later hole repairing process is avoided, hidden danger of leakage water of an outer wall caused by hole repairing is eliminated, and engineering quality is ensured.

One end of the cantilever beam 6 is connected with the concrete structure 1 through a pre-buried connecting piece (or a pre-buried steel plate 81), the cantilever beam 6 does not need to be anchored with 1.25 times of cantilever length, and the consumption of the profile steel can be at least saved by 53.15%.

The adjustable pull rod 5 is tied without a pre-buried pull ring with a hole on the template, so that the loss can be reduced, the reuse rate of the template can be improved, and the cost can be reduced.

The cantilever beam 6 and the upper section pull rod are connected with the concrete structure 1 through pre-buried connecting pieces, except for corners, cutting is not needed during dismantling, and loss of bolts is avoided; meanwhile, the dismantled adjustable pull rod 5 can be recycled, the repeated utilization rate of members such as the pull rod and the bolt is high, and the cost is saved.

Because the overhanging beam 6 is not anchored on the overhanging layer floor, working procedures such as masonry, ground plastering and the like can be performed alternately, the follow-up work and construction are convenient, and the construction period is saved.

Because the adjustable pull rod 5, the embedded connecting piece, the cantilever beam 6, the wall connecting piece 8 and other components can be produced in a factory in a finalized mode, the component has high dimensional accuracy and reliable quality, the labor investment can be reduced, and the construction period is shortened.

When the concrete structure 1 is poured, the fixed cantilever beam 6, the adjustable pull rod 5 and the plastic sleeve 9 of the wall connecting piece 8 are pre-buried, one end of the plastic sleeve 9 positioned in the concrete structure 1 is provided with the first nut 91, the connecting hole of the base anchor plate 63 at the fixed end of the cantilever beam 6 is aligned with the plastic sleeve 9 at the lower part of the concrete structure 1, then the stud bolt 10 is screwed in, the gasket 13 is erected on the threaded part of the stud bolt 10 positioned outside the concrete structure 1 and is fastened by the second nut 12, the double-lug pull ring 11 and the wall connecting piece 8 are fixed at the corresponding design position on the concrete structure 1 in the same way, the length of the cantilever beam 6 is adjusted according to construction requirements, if the length of the cantilever beam 6 is smaller than 1800mm, the movable lifting lug 621 does not need to be additionally arranged on the cantilever I-steel 61, meanwhile, the free end of the cantilever beam 6 is fixed by adopting the single adjustable pull rod 5, if the length of the cantilever beam 6 is more than or equal to 1800mm, the cantilever beam 61 is additionally provided with the movable lifting lug 621, the free end of the cantilever beam 6 is fixed by adopting the double adjustable pull rod 5, the cantilever beam 6 can adjust the length of the cantilever beam 6 according to construction requirements, the position of a lifting point of the movable lifting lug 621 on the cantilever beam 61 can also be adjusted according to stress analysis, the cantilever beam 6 with different lengths is not required to be manufactured, the application range of the cantilever beam 6 is increased, the construction cost is saved, time and labor are saved, the cantilever beam 6 is provided with the positioning pin 611 and the movable positioning pin 623, the movable positioning pin 623 can adjust the position of the cantilever beam 6 according to the length of the cantilever beam 6 and the stress analysis, then the two upright rods 2 are respectively fixed on the cantilever beam 6 through the positioning pin 611 and the movable positioning pin 623, the upright rod 2 near one side of the concrete structure 1 is fixed with the wall connecting piece 8 by the rotary fastener 7, the transverse sweeping rod 4 is fixed between the two vertical rods 2 through the rotary buckle, the longitudinal sweeping rod 4 is fixed on the transverse sweeping rod 4 through the rotary buckle, the connecting mode of the transverse horizontal rod 3 and the longitudinal horizontal rod 3 is the same as that of the sweeping rod 4, a plurality of scaffold boards are fully paved on the longitudinal horizontal rod 3 positioned on the operation layer, a foot blocking plate and a protective railing are arranged on the outer side part of the scaffold boards positioned on the operation layer, a safety net is arranged on the outer side of the scaffold, the steel plate net is fixedly arranged on the outer side of the scaffold, a plurality of diagonal rods are sequentially connected between the two adjacent vertical rods 2 from bottom to top, and the scaffold and the safety protection facility are built. The overhanging type protective frame is rapid and convenient to install and detach, stable and safe in structure and strong in adaptability.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (9)

1. The utility model provides an engineering is built with encorbelmenting formula protection frame in room, its characterized in that includes support, encorbelment roof beam (6), even wall spare (8) and adjustable pull rod (5), encorbelment roof beam (6) are fixed in the lower part of concrete structure (1) through pre-buried connecting piece, the upper end of adjustable pull rod (5) is passed through pre-buried connecting piece is fixed the upper portion of concrete structure (1), the lower extreme of adjustable pull rod (5) with the free end of encorbelment roof beam (6) is connected, the lower part of support with encorbelment roof beam (6) are connected, the upper portion of support is passed through even wall spare (8) with concrete structure (1) are connected, encorbelment roof beam (6) are including encorbelment shaped steel and encorbelment sleeve (62), the one end cover that encorbelment shaped steel is close to concrete structure (1) is established in encorbelment sleeve (62) and the two slides relatively, be equipped with fastening assembly on encorbelment sleeve (62) after encorbelment roof beam (6) are adjusted and are passed through encorbelment shaped steel and fixed the shaping assembly.

2. The overhanging type protection frame for building construction according to claim 1, characterized in that, the shaped steel of encorbelmenting is the I-steel of encorbelmenting (61), the cross section of sleeve (62) of encorbelmenting is the rectangle, the stiff end fixedly connected with base anchor board (63) of sleeve (62) encorbelments, base anchor board (63) are equipped with the connecting hole, base anchor board (63) are in through pre-buried connecting piece fixed connection is in concrete structure (1) surface, the lower surface of sleeve (62) encorbelments with fixedly connected with stiffening plate (64) between base anchor board (63), the I-steel of encorbelmenting (61) cover is established in sleeve (62) of encorbelmenting and the two relative slip, the link fixedly connected with limiting plate (624) of I-steel of encorbelmenting (61), fixedly connected with baffle (613) on the vertical inner wall of sleeve (62), baffle (613) height is less than the waist of I-steel of encorbelmenting (61).

3. The overhanging protection frame for building construction according to claim 2, characterized in that the fastening assembly is arranged on the same side as the baffle (613), the fastening assembly is close to the free end of the overhanging sleeve (62), the fastening assembly comprises a fixing bolt (612) and a fastening plate (614), the fixing bolt (612) is in threaded connection with one side of the overhanging sleeve (62) and penetrates through the side, the fastening plate (614) is connected with one end of the fixing bolt (612) extending into the overhanging sleeve (62) and the fixing bolt (612) rotates relative to the fastening plate (614), after the length of the overhanging beam (6) is adjusted, the fixing bolt (612) is screwed into the overhanging sleeve (62), and the fixing bolt (612) pushes the fastening plate (614) to be close to one side of the waist of the overhanging sleeve (61) and is pressed tightly, so that the fixing bolt and the fixing plate are fixed.

4. The overhanging type protection frame for house construction engineering according to claim 2, characterized in that when the length of the overhanging beam (6) is smaller than 1800mm, a movable positioning pin (623), a lifting lug (622) and a positioning pin (611) are arranged on the upper surface of the overhanging beam (6), a single adjustable pull rod (5) is arranged, the lower ends of the adjustable pull rods (5) are connected with the overhanging beam (6) through the lifting lugs (622), the upper ends of the adjustable pull rods (5) are connected with the upper parts of the concrete structure (1) through embedded connecting pieces, the horizontal vertical distance between the axes of the embedded connecting pieces and the axes of the overhanging I-steel (61) is 100-150mm, when the length of the overhanging beam (6) is more than or equal to 1800mm, the upper surface of the overhanging beam (6) is also provided with the movable lifting lugs (621), the lower ends of the two adjustable pull rods (5) are respectively connected with the upper ends of the embedded connecting pieces (1) through the lifting lugs (622) and the upper ends of the two embedded connecting pieces (61) and the horizontal vertical distance between the two overhanging connecting pieces (61) and the two horizontal connecting pieces (150 mm.

5. The overhanging type protection frame for building construction according to claim 4, wherein the support comprises a vertical rod (2), a horizontal rod (3) and a sweeping rod (4), each two vertical rods (2) are arranged in a row and are provided with a plurality of rows along the length direction of the concrete structure (1), the two rows of vertical rods (2) are arranged on the corresponding overhanging beams (6) through positioning pins (611) and movable positioning pins (623), two ends of the sweeping rod (4) perpendicular to the surface of the concrete structure (1) are respectively and fixedly connected to the lower ends of the two vertical rods (2) through rotary fasteners (7), the longitudinal direction of the sweeping rod (4) parallel to the length direction of the concrete structure (1) is fixed to the plurality of transverse sweeping rods (4) through a plurality of rotary fasteners (7), two ends of the horizontal rod (3) perpendicular to the surface of the concrete structure (1) are respectively and fixedly connected to the two horizontal rods (3) through the rotary fasteners (7) in the length direction of the plurality of the horizontal rods (3).

6. The overhanging type protection frame for building engineering according to claim 5, wherein the adjustable pull rod (5) comprises an adjusting pipe (51), a first pull rod (52) and a second pull rod (53), the lower end of the first pull rod (52) is in threaded connection with the upper end of the adjusting pipe (51), the upper end of the second pull rod (53) is in threaded connection with the lower end of the adjusting pipe (51), the upper end of the first pull rod (52) is connected with the concrete structure (1) through the embedded connecting piece, and the lower end of the second pull rod (53) is connected with the overhanging type beam (6).

7. The overhanging type protection frame for building construction according to claim 6, wherein the wall connecting piece (8) is arranged in a one-step two-span mode, the wall connecting piece (8) comprises a steel plate (81) and a steel pipe (82), a connecting hole is formed in the steel plate (81), the steel plate (81) is fixedly connected to the upper portion of the concrete structure (1) through the embedded connecting piece, the steel pipe (82) is fixedly connected to the outer side face of the steel plate (81), and the steel pipe (82) is connected with the horizontal rod (3) through the rotary fastener (7).

8. The overhanging type protection frame for building construction according to claim 7, characterized in that the embedded connecting piece comprises a plastic sleeve (9), a first nut (91), a stud bolt (10) and a second nut (12), wherein the plastic sleeve (9) is embedded in an embedded point of the concrete structure (1), the first nut (91) is fixed at one end of the plastic sleeve (9) located in the concrete structure (1), the stud bolt (10) penetrates into the plastic sleeve (9) and is in threaded connection with the first nut (91), and a threaded part of the stud bolt (10) located outside the concrete structure (1) penetrates through connecting holes in the base anchor plate (63) and the steel plate (81) and is fastened through the second nut (12), and gaskets (13) are arranged between the second nut (12) and the steel plate (81) and the base anchor plate (63).

9. The overhanging type protection frame for building construction according to claim 8, characterized in that the free end of the stud bolt (10) connected with the upper end of the first pull rod (52) is fixedly connected with a double-lug pull ring (11), and the upper end of the first pull rod (52) is connected with the double-lug pull ring (11).