Cantilever frame supporting and protecting device and using method thereof

Abstract

The invention belongs to the technical field of building cantilever frame supporting and protecting, and particularly relates to a cantilever frame supporting and protecting device and a using method thereof. The device is reasonable in design, the lower plate of the I-shaped beam serves as a mounting carrier, and the upper plate of the I-shaped beam serves as a supporting carrier of the cantilever frame. When the I-shaped beam is stressed, the free outer end of the I-shaped beam tends to bend downwards, the second clamping sleeve transmits pressure to the outer wall connecting mechanism located on the lower side of the first clamping sleeve through the supporting mechanism, the outer wall connecting mechanism transmits the pressure to an outer wall, and in this way, the supporting capacity of the I-shaped beam can be improved; meanwhile, a supporting mechanism is used for laying and supporting the protective net, a tension sensor is installed on the lower side of a second clamping sleeve, the pressed end of the tension sensor is connected with the protective net below through a suspension cable, and when the protective net is impacted by a falling weight, the tension sensor can sense tension in time and send a signal to a background terminal; therefore, personnel can be timely arranged for confirmation, and safety is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of building cantilever frame support protection, and in particular relates to a cantilever frame support protection device and a use method thereof. Background Art

[0002] At present, in the construction of buildings, when cantilever frames are used as external protection systems, most projects will not further set up protection measures at the bottom. Even if the bottom protection measures are taken, they are all fixed and installed on the bottom site after painting the waste templates at the construction site. The degree of standardization and aesthetics are low, the installation difficulty and construction risks are relatively high, and it is impossible to achieve convenient and fast installation, good overall molding effect, multiple turnover and cost reduction. Moreover, in the traditional solution, in the process of supporting the cantilever frame, it is easy to have unstable support, support offset, deformation and damage, and it is easy to drop debris, which makes the safety risk on site high. .

[0003] To this end, the patent specification with the publication number CN117145254B discloses a cantilever frame support and protection device, including: a plurality of bottom plates, each of which is arranged side by side and supported under the cantilever frame I-beam; a plurality of side plates, each of which is vertically connected to one end of each of the bottom plates in the length direction, located at one end of the cantilever frame I-beam, and arranged at intervals from one end of the cantilever frame I-beam; a first fixed structure, connecting the bottom plate and the side plate, fixing the bottom plate and the side plate relatively; a second fixed structure, one end of which is connected to the bottom plate, and the other end supports and embraces the cantilever frame I-beam, supporting and positioning the cantilever frame I-beam. The device can support and protect from the bottom and side parts of the cantilever frame through the arrangement of the bottom plate and the side plate, so that the bottom and side parts of the cantilever frame have stable support and can prevent debris from falling, ensuring on-site safety.

[0004] However, this cantilever support protection device still has some shortcomings. First, it has many parts and the installation operation is cumbersome. Second, it is not conducive to quick installation. After installation, it cannot be quickly disassembled according to needs, and it is difficult to recycle. Third, it has no monitoring measures, and when heavy objects fall, it cannot be discovered in time. Therefore, it needs to be optimized and improved. Summary of the invention

[0005] The purpose of the present invention is to overcome the above-mentioned problems existing in the traditional technology and to provide a cantilever frame support protection device and a method of using the same.

[0006] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0007] The present invention provides a cantilever frame support and protection device, which uses the lower plate of an I-beam as an installation carrier, the upper plate of the I-beam serves as a support carrier of the cantilever frame, and the inner end of the I-beam is fixedly connected to the outer wall via an anchor plate welded thereto; the cantilever frame support and protection device comprises a cantilever frame support assembly and a protection net; the cantilever frame support assembly comprises a first clamping sleeve, an outer wall connection mechanism, a second clamping sleeve, a support mechanism and a connecting mechanism, the first clamping sleeve is clamped and installed on the lower plate of the I-beam near the anchor plate, the second clamping sleeve is clamped and installed on the lower plate of the I-beam near the outer end, the lower end of the first clamping sleeve is installed with an outer wall connection mechanism, a support mechanism is installed between the outer wall connection mechanism and the second clamping sleeve, and a connecting mechanism is provided between the second clamping sleeves of two adjacent I-beams.

[0008] Furthermore, in the above-mentioned cantilever frame supporting and protecting device, an inverted T-shaped slot cooperating with the lower plate of the I-beam is provided inside the first clamping sleeve and the second clamping sleeve, the length ratio of the first clamping sleeve and the second clamping sleeve is 1:4-8, and the length value of the first clamping sleeve is 10-20 cm.

[0009] Furthermore, in the above-mentioned cantilever frame supporting and protecting device, the upper end of the first clamping sleeve is located on both sides of the opening and is symmetrically screwed with two first fastening screws, and the first fastening screws are screwed inwards until they are tightly abutted against the lower plate of the I-beam, thereby locking the position of the first clamping sleeve on the lower plate of the I-beam.

[0010] Furthermore, in the above-mentioned cantilever frame supporting and protecting device, the exterior wall connecting mechanism comprises a vertical plate, a mounting frame, a fastening screw, a magnetic suction cup and an adhesive plate; the upper end of the vertical plate is fixed to the lower side of the first clamping sleeve; the lower part of the vertical plate is fixed with a mounting frame; the fastening screw is threadedly installed in the mounting frame; the outer end of the fastening screw is provided with a rotary handle; the inner end of the fastening screw is restricted in the magnetic suction cup; the adhesive plate is installed on the exterior wall by bonding; the magnetic suction cup and the adhesive plate are connected by magnetic attraction.

[0011] Furthermore, in the above-mentioned cantilever frame support and protection device, the support mechanism includes a first ear plate, a second ear plate and a support plate, the first ear plate is installed on the outer side of the vertical plate, the second ear plate is installed on the lower side of the second clamping sleeve, and the two ends of the support plate are respectively hinged to the first ear plate and the second ear plate.

[0012] Furthermore, in the above-mentioned cantilever frame supporting and protecting device, the number of the supporting mechanisms is at least one, and the supporting plate in the supporting mechanism is a fixed-length supporting plate or a supporting plate with adjustable length.

[0013] Furthermore, in the above-mentioned cantilever frame support and protection device, the connecting mechanism includes a second fastening screw, a movable bolt and a scissors-type telescopic frame, the upper front part of the second clamping sleeve is located on both sides of the opening and is symmetrically screwed with two second fastening screws, the upper rear part of the second clamping sleeve is located on both sides of the opening and is symmetrically provided with sliding grooves, the sliding grooves are restricted by movable bolts, and the two opposite second fastening screws and two movable bolts in two adjacent second clamping sleeves are jointly installed with the scissors-type telescopic frame.

[0014] Furthermore, in the above-mentioned cantilever frame support protection device, the protection net is laid along the upper surface of the lowest support mechanism, a tension sensor is installed on the lower side of the second clamping sleeve, and the pressure end of the tension sensor is connected to the protection net below through a suspension cable.

[0015] Furthermore, in the above-mentioned cantilever frame support protection device, each component in the cantilever frame support assembly is made of stainless steel metal material, and the protection net is made of polyester fiber or nylon material.

[0016] The present invention also provides a method for using the cantilever frame support protection device, comprising the following steps:

[0017] 1) Assembling the first clamping sleeve and the second clamping sleeve: first, the first clamping sleeve and the second clamping sleeve are sequentially sleeved on the outer side of the lower plate of the corresponding I-beam, and the position of the first clamping sleeve on the lower plate of the I-beam is locked by using the first fastening screw;

[0018] 2) Assembly of the external wall connection mechanism: The bonding plate of the external wall connection mechanism is mounted on the external wall by bonding, and then the magnetic suction cup is fixed to the bonding plate by magnetic attraction by adjusting the fastening screw;

[0019] 3) Assembling the support mechanism: according to the positions of the first clamping sleeve and the second clamping sleeve, select a support plate of suitable length or a support plate with adjustable length, and rotatably connect the two ends of the support plate to the first ear plate and the second ear plate respectively through positioning bolts;

[0020] 4) Assembly of the connecting mechanism: according to the spacing between two adjacent I-beams, adjust the overall width of the scissor telescopic frame, and use two second fastening screws and two movable bolts to install the scissor telescopic frame together;

[0021] 5) Laying of the protective net: The protective net is laid along the upper surface of the lowest support mechanism, a tension sensor is installed on the lower side of the second clamping sleeve, and the pressure-bearing end of the tension sensor is connected to the protective net below through a suspension cable.

[0022] The beneficial effects of the present invention are:

[0023] The device of the present invention is reasonably designed. On the one hand, the lower plate of the I-beam is used as the installation carrier, and the upper plate of the I-beam is used as the support carrier of the cantilever frame. When the I-beam is subjected to force, its free outer end has a tendency to bend downward. The second clamping sleeve in the cantilever frame support assembly transmits the pressure to the outer wall connection mechanism located at the lower side of the first clamping sleeve through the support mechanism, and the outer wall connection mechanism transmits the pressure to the outer wall. In this way, the support capacity of the I-beam can be improved; on the other hand, the support mechanism is used to lay the support protection net, and a tension sensor is installed on the lower side of the second clamping sleeve. The pressure-bearing end of the tension sensor is connected to the protection net below through a suspension cable. When the protection net is hit by a falling heavy object, the tension sensor can sense the tension in time and send a signal to the background terminal, so that personnel can be arranged for confirmation in time to ensure safety.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the cantilever frame supporting the overall protection device of the present invention;

[0027] Figure 2 It is a schematic side view of the structure of the cantilever frame supporting the overall protection device of the present invention;

[0028] Figure 3 It is a schematic diagram of the overall front view of the cantilever frame supporting the protective device of the present invention;

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the cantilever frame support assembly of the present invention after omitting the scissor-type telescopic frame;

[0030] Figure 5 It is a schematic diagram of the three-dimensional structure of another angle after the cantilever frame support assembly of the present invention omits the scissor-type telescopic frame;

[0031] Figure 6 It is a side view structural schematic diagram of the cantilever frame support assembly of the present invention after omitting the scissor-type telescopic frame;

[0032] Figure 7 It is a structural schematic diagram of the first clamping sleeve and the external wall connection mechanism in the present invention;

[0033] Figure 8It is a structural schematic diagram of the second clamping sleeve and its upper components in the present invention;

[0034] Fig. 9 It is a structural schematic diagram of the upper slide groove of the second clamping sleeve in the present invention;

[0035] Fig.10 It is a schematic diagram of the position of the scissor-type telescopic frame in the present invention;

[0036] In the accompanying drawings, the reference numerals of the various components are as follows:

[0037] 1-exterior wall, 2-I-beam, 3-anchor plate, 4-cantilever frame support assembly, 401-first clamping sleeve, 402-first fastening screw, 403-vertical plate, 404-installation frame, 405-fastening screw, 406-magnetic suction cup, 407-adhesive plate, 408-first ear plate, 409-second clamping sleeve, 410-second ear plate, 411-support plate, 412-second fastening screw, 413-slide groove, 414-movable bolt, 415-scissors telescopic frame, 5-protective net. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Embodiment 1

[0040] like Figure 1-Figure 3 As shown, this embodiment provides a cantilever frame support and protection device, which uses the lower plate of the I-beam 2 as the installation carrier, and the upper plate of the I-beam 2 as the support carrier of the cantilever frame, and the inner end of the I-beam 2 is fixedly connected to the outer wall 1 through the anchor plate 3 welded thereto; the cantilever frame support and protection device includes a cantilever frame support assembly 4 and a protection net 5; the cantilever frame support assembly 4 includes a first clamping sleeve 401, an outer wall connection mechanism, a second clamping sleeve 409, a support mechanism and a connecting mechanism, the first clamping sleeve 401 is clamped and installed on the lower plate of the I-beam near the anchor plate, the second clamping sleeve 409 is clamped and installed on the lower plate of the I-beam 2 near the outer end, the lower end of the first clamping sleeve 401 is installed with an outer wall connection mechanism, a support mechanism is installed between the outer wall connection mechanism and the second clamping sleeve 409, and a connecting mechanism is provided between the second clamping sleeves 409 of two adjacent I-beams 2.

[0041] The structure of the cantilever support assembly 4 is as follows Figure 4-Figure 10 shown.

[0042] In this embodiment, the first and second clamping sleeves 401 and 409 have inverted T-shaped slots inside that match the lower plate of the I-beam 2. The length ratio of the first and second clamping sleeves 401 and 409 is 1:4, and the length of the first clamping sleeve 401 is 20 cm.

[0043] In this embodiment, the upper end of the first clamping sleeve 401 is symmetrically screwed with two first fastening screws 402 on both sides of the opening. The first fastening screws 402 are screwed inward until they are tightly against the lower plate of the I-beam 2, thereby locking the position of the first clamping sleeve 401 on the lower plate of the I-beam 2.

[0044] In this embodiment, the exterior wall connection mechanism includes a vertical plate 403, a mounting frame 404, a fastening screw 405, a magnetic suction cup 406 and an adhesive plate 407. The upper end of the vertical plate 403 is fixed to the lower side of the first clamping sleeve 401, and the mounting frame 404 is fixed to the lower part of the vertical plate 403. The fastening screw 405 is threadedly installed in the mounting frame 404. The outer end of the fastening screw 405 is provided with a rotary handle, and the inner end of the fastening screw 405 is restricted in the magnetic suction cup 406. The adhesive plate 407 is installed on the exterior wall 1 by bonding, and the magnetic suction cup 406 and the adhesive plate 407 are connected by magnetic attraction.

[0045] In this embodiment, the supporting mechanism includes a first ear plate 408, a second ear plate 410 and a support plate 411. The first ear plate 408 is installed on the outer side of the vertical plate 403, the second ear plate 410 is installed on the lower side of the second clamping sleeve 409, and the two ends of the support plate 411 are respectively hinged to the first ear plate 408 and the second ear plate 410.

[0046] In this embodiment, there are two supporting mechanisms, and the supporting plates 411 in the supporting mechanisms are fixed-length supporting plates.

[0047] In this embodiment, the connecting mechanism includes a second fastening screw 412, a movable bolt 414 and a scissors-type telescopic frame. The upper front part of the second clamping sleeve 409 is located on both sides of the opening and has two second fastening screws symmetrically screwed thereon. The upper rear part of the second clamping sleeve 409 is located on both sides of the opening and has slide grooves 413 symmetrically provided thereon. The slide grooves 413 are restricted in sliding by movable bolts 414. The two opposite second fastening screws 412 and two movable bolts 414 in the two adjacent second clamping sleeves 409 are jointly installed with a scissors-type telescopic frame 415.

[0048] In this embodiment, the protective net 5 is laid along the upper surface of the lowest support mechanism, and a tension sensor is installed on the lower side of the second clamping sleeve 409, and the pressure-bearing end of the tension sensor is connected to the protective net 5 below through a suspension cable.

[0049] In this embodiment, each component in the cantilever frame support assembly 4 is made of stainless steel metal material, and the protective net 5 is made of polyester fiber or nylon material.

[0050] This embodiment also provides a method for using the cantilever frame support protection device, comprising the following steps:

[0051] 1) Assembly of the first clamping sleeve 401 and the second clamping sleeve 409: First, the first clamping sleeve 401 and the second clamping sleeve 409 are sequentially sleeved on the outer side of the lower plate of the corresponding I-beam 2, and the position of the first clamping sleeve 401 on the lower plate of the I-beam 2 is locked by using the first fastening screw;

[0052] 2) Assembly of the external wall connection mechanism: The adhesive plate 407 of the external wall connection mechanism is mounted on the external wall 1 by adhesive bonding, and then the magnetic suction cup 406 is magnetically fixed to the adhesive plate 407 by adjusting the fastening screw 405;

[0053] 3) Assembling the support mechanism: according to the positions of the first clamping sleeve 401 and the second clamping sleeve 409, select a support plate 411 of a suitable length, and rotatably connect the two ends of the support plate 411 to the first ear plate 408 and the second ear plate 410 respectively through positioning bolts;

[0054] 4) Assembly of the connection mechanism: According to the spacing between two adjacent I-beams 2, the overall width of the scissor telescopic frame 415 is adjusted, and the scissor telescopic frame 415 is installed together with two second fastening screws 412 and two movable bolts 414;

[0055] 5) Laying of the protection net: The protection net 5 is laid along the upper surface of the lowest support mechanism. A tension sensor is installed on the lower side of the second clamping sleeve 409. The pressure-bearing end of the tension sensor is connected to the protection net 5 below through a suspension cable.

[0056] A specific application of this embodiment is: the device is reasonably designed. On the one hand, the lower plate of the I-beam 2 is used as the installation carrier, and the upper plate of the I-beam 2 is used as the support carrier of the cantilever frame. When the I-beam 2 is subjected to force, its free outer end has a tendency to bend downward. The second clamping sleeve 409 in the cantilever frame support assembly 4 transmits the pressure to the external wall connection mechanism located at the lower side of the first clamping sleeve 401 through the support mechanism, and the external wall connection mechanism transmits the pressure to the external wall. In this way, the support capacity of the I-beam 2 can be improved; on the other hand, the support mechanism is used to lay the support protection net 5, and a tension sensor is installed on the lower side of the second clamping sleeve 409. The pressure-bearing end of the tension sensor is connected to the protection net 5 below through a suspension cable. When the protection net 5 is hit by a falling heavy object, the tension sensor can sense the tension in time and send a signal to the background terminal, so that personnel can be arranged for confirmation in time to ensure safety.

[0057] Embodiment 2

[0058] The present embodiment provides a cantilever frame support and protection device, which uses the lower plate of the I-beam 2 as an installation carrier, and the upper plate of the I-beam 2 as a support carrier of the cantilever frame, and the inner end of the I-beam 2 is fixedly connected to the outer wall 1 through an anchor plate 3 welded thereto; the cantilever frame support and protection device includes a cantilever frame support assembly 4 and a protection net 5; the cantilever frame support assembly 4 includes a first clamping sleeve 401, an outer wall connection mechanism, a second clamping sleeve 409, a support mechanism and a connecting mechanism, the first clamping sleeve 401 is clamped and installed on the lower plate of the I-beam near the anchor plate, the second clamping sleeve 409 is clamped and installed on the lower plate of the I-beam 2 near the outer end, the lower end of the first clamping sleeve 401 is installed with an outer wall connection mechanism, a support mechanism is installed between the outer wall connection mechanism and the second clamping sleeve 409, and a connecting mechanism is provided between the second clamping sleeves 409 of two adjacent I-beams 2.

[0059] The structure of the cantilever support assembly 4 is as follows Figure 4-Figure 10 shown.

[0060] In this embodiment, the first and second clamping sleeves 401 and 409 have inverted T-shaped slots inside that match the lower plate of the I-beam 2. The length ratio of the first and second clamping sleeves 401 and 409 is 1:8, and the length of the first clamping sleeve 401 is 10 cm.

[0061] In this embodiment, the upper end of the first clamping sleeve 401 is symmetrically screwed with two first fastening screws 402 on both sides of the opening. The first fastening screws 402 are screwed inward until they are tightly against the lower plate of the I-beam 2, thereby locking the position of the first clamping sleeve 401 on the lower plate of the I-beam 2.

[0062] In this embodiment, the exterior wall connection mechanism includes a vertical plate 403, a mounting frame 404, a fastening screw 405, a magnetic suction cup 406 and an adhesive plate 407. The upper end of the vertical plate 403 is fixed to the lower side of the first clamping sleeve 401, and the mounting frame 404 is fixed to the lower part of the vertical plate 403. The fastening screw 405 is threadedly installed in the mounting frame 404. The outer end of the fastening screw 405 is provided with a rotary handle, and the inner end of the fastening screw 405 is restricted in the magnetic suction cup 406. The adhesive plate 407 is installed on the exterior wall 1 by bonding, and the magnetic suction cup 406 and the adhesive plate 407 are connected by magnetic attraction.

[0063] In this embodiment, the supporting mechanism includes a first ear plate 408, a second ear plate 410 and a support plate 411. The first ear plate 408 is installed on the outer side of the vertical plate 403, the second ear plate 410 is installed on the lower side of the second clamping sleeve 409, and the two ends of the support plate 411 are respectively hinged to the first ear plate 408 and the second ear plate 410.

[0064] In this embodiment, the number of the supporting mechanism is one, and the supporting plate 411 in the supporting mechanism is a supporting plate with adjustable length.

[0065] In this embodiment, the connecting mechanism includes a second fastening screw 412, a movable bolt 414 and a scissors-type telescopic frame. The upper front part of the second clamping sleeve 409 is located on both sides of the opening and has two second fastening screws symmetrically screwed thereon. The upper rear part of the second clamping sleeve 409 is located on both sides of the opening and has slide grooves 413 symmetrically provided thereon. The slide grooves 413 are restricted in sliding by movable bolts 414. The two opposite second fastening screws 412 and two movable bolts 414 in the two adjacent second clamping sleeves 409 are jointly installed with a scissors-type telescopic frame 415.

[0066] In this embodiment, the protective net 5 is laid along the upper surface of the lowest support mechanism, and a tension sensor is installed on the lower side of the second clamping sleeve 409, and the pressure-bearing end of the tension sensor is connected to the protective net 5 below through a suspension cable.

[0067] In this embodiment, each component in the cantilever frame support assembly 4 is made of stainless steel metal material, and the protective net 5 is made of polyester fiber or nylon material.

[0068] This embodiment also provides a method for using the cantilever frame support protection device, comprising the following steps:

[0069] 1) Assembly of the first clamping sleeve 401 and the second clamping sleeve 409: First, the first clamping sleeve 401 and the second clamping sleeve 409 are sequentially sleeved on the outer side of the lower plate of the corresponding I-beam 2, and the position of the first clamping sleeve 401 on the lower plate of the I-beam 2 is locked by using the first fastening screw;

[0070] 2) Assembly of the external wall connection mechanism: The adhesive plate 407 of the external wall connection mechanism is mounted on the external wall 1 by adhesive bonding, and then the magnetic suction cup 406 is magnetically fixed to the adhesive plate 407 by adjusting the fastening screw 405;

[0071] 3) Assembling the support mechanism: According to the positions of the first clamping sleeve 401 and the second clamping sleeve 409, select a support plate 411 with adjustable length, and rotatably connect the two ends of the support plate 411 to the first ear plate 408 and the second ear plate 410 respectively through positioning bolts;

[0072] 4) Assembly of the connection mechanism: According to the spacing between two adjacent I-beams 2, the overall width of the scissor telescopic frame 415 is adjusted, and the scissor telescopic frame 415 is installed together with two second fastening screws 412 and two movable bolts 414;

[0073] 5) Laying of the protection net: The protection net 5 is laid along the upper surface of the support mechanism. A tension sensor is installed on the lower side of the second clamping sleeve 409. The pressure-bearing end of the tension sensor is connected to the protection net 5 below through a suspension cable.

[0074] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A cantilever frame support protection device, characterized in that: The cantilever frame support and protection device uses the lower plate of the I-beam as the installation carrier, and the upper plate of the I-beam serves as the support carrier of the cantilever frame. The inner end of the I-beam is fixedly connected to the outer wall by an anchor plate welded thereto; the cantilever frame support and protection device comprises a cantilever frame support assembly and a protection net; the cantilever frame support assembly comprises a first clamping sleeve, an outer wall connection mechanism, a second clamping sleeve, a support mechanism and a connecting mechanism, the first clamping sleeve is clamped and installed on the lower plate of the I-beam near the anchor plate, the second clamping sleeve is clamped and installed on the lower plate of the I-beam near the outer end, the lower end of the first clamping sleeve is installed with an outer wall connection mechanism, a support mechanism is installed between the outer wall connection mechanism and the second clamping sleeve, and a connecting mechanism is provided between the second clamping sleeves of two adjacent I-beams.

2. The cantilever frame support protection device according to claim 1, characterized in that: The first and second clamping sleeves are provided with inverted T-shaped slots cooperating with the lower plate of the I-beam. The length ratio of the first and second clamping sleeves is 1:4-8, and the length of the first clamping sleeve is 10-20 cm.

3. The cantilever frame support protection device according to claim 2, characterized in that: The upper end of the first clamping sleeve is symmetrically threaded with two first fastening screws on both sides of the opening. The first fastening screws are screwed inwards until they are tightly against the lower plate of the I-beam, thereby locking the position of the first clamping sleeve on the lower plate of the I-beam.

4. The cantilever frame support protection device according to claim 3, characterized in that: The exterior wall connection mechanism includes a vertical plate, a mounting frame, a fastening screw, a magnetic suction cup and an adhesive plate. The upper end of the vertical plate is fixed to the lower side of the first clamping sleeve, the lower part of the vertical plate is fixed with a mounting frame, the mounting frame is threadedly installed with a fastening screw, the outer end of the fastening screw is provided with a rotary handle, the inner end of the fastening screw is restricted in the magnetic suction cup, the adhesive plate is installed on the exterior wall by bonding, and the magnetic suction cup and the adhesive plate are connected by magnetic attraction.

5. The cantilever frame support protection device according to claim 4, characterized in that: The supporting mechanism comprises a first ear plate, a second ear plate and a support plate, wherein the first ear plate is mounted on the outer side of the vertical plate, the second ear plate is mounted on the lower side of the second clamping sleeve, and the two ends of the support plate are respectively hinged to the first ear plate and the second ear plate.

6. The cantilever frame support protection device according to claim 5, characterized in that: The number of the supporting mechanism is at least one, and the supporting plate in the supporting mechanism is a fixed-length supporting plate or a supporting plate with adjustable length.

7. The cantilever frame support protection device according to claim 6, characterized in that: The connecting mechanism includes a second fastening screw, a movable bolt and a scissors-type telescopic frame. The upper front part of the second clamping sleeve is located on both sides of the opening and is symmetrically screwed with two second fastening screws. The upper rear part of the second clamping sleeve is located on both sides of the opening and is symmetrically provided with sliding grooves. The sliding grooves are restricted by movable bolts. The two opposite second fastening screws and two movable bolts in two adjacent second clamping sleeves are jointly installed with the scissors-type telescopic frame.

8. The cantilever frame support and protection device according to claim 7, characterized in that: The protection net is laid along the upper surface of the lowest support mechanism, a tension sensor is installed on the lower side of the second clamping sleeve, and the pressure-bearing end of the tension sensor is connected to the protection net below through a suspension cable.

9. The cantilever frame support protection device according to claim 8, characterized in that: Each component in the cantilever frame support assembly is made of stainless steel metal material, and the protective net is made of polyester fiber or nylon material.

10. The method for using the cantilever frame support protection device according to claim 9, characterized in that: The steps include: 1) Assembling the first clamping sleeve and the second clamping sleeve: first, the first clamping sleeve and the second clamping sleeve are sequentially sleeved on the outer side of the lower plate of the corresponding I-beam, and the position of the first clamping sleeve on the lower plate of the I-beam is locked by using the first fastening screw; 2) Assembly of the external wall connection mechanism: The bonding plate of the external wall connection mechanism is mounted on the external wall by bonding, and then the magnetic suction cup is fixed to the bonding plate by magnetic attraction by adjusting the fastening screw; 3) Assembling the support mechanism: according to the positions of the first clamping sleeve and the second clamping sleeve, select a support plate of suitable length or a support plate with adjustable length, and rotatably connect the two ends of the support plate to the first ear plate and the second ear plate respectively through positioning bolts; 4) Assembly of the connecting mechanism: according to the spacing between two adjacent I-beams, adjust the overall width of the scissor telescopic frame, and use two second fastening screws and two movable bolts to install the scissor telescopic frame together; 5) Laying of the protective net: The protective net is laid along the upper surface of the lowest support mechanism, a tension sensor is installed on the lower side of the second clamping sleeve, and the pressure-bearing end of the tension sensor is connected to the protective net below through a suspension cable.

Images