Overhang rack support guard and method of use

Abstract

The present application belongs to the technical field of building cantilever frame support protection, and particularly relates to a cantilever frame support protection device and a use method thereof. The device is designed reasonably, and the lower plate of the I-beam is used as an installation carrier, and the upper plate of the I-beam is used as a support carrier of the cantilever frame. When the I-beam is stressed, the free outer end has a downward bending tendency. The second clamping sleeve transmits the pressure to the outer wall connecting mechanism on the lower side of the first clamping sleeve through the support mechanism, and the outer wall connecting mechanism transmits the pressure to the outer wall. In this way, the support capacity of the I-beam can be improved. Meanwhile, the support mechanism is used to lay the support protection net, and the lower side of the second clamping sleeve is provided with a tension sensor. The pressure receiving end of the tension sensor is connected to the lower protection net through a suspension cable. When the protection net is impacted by a falling heavy object, the tension sensor can timely sense the tension and send a signal to the background terminal, so that personnel can be arranged in time for confirmation, and safety is ensured.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building cantilever frame support protection, and particularly relates to a cantilever frame support protection device and a use method thereof. BACKGROUND

[0002] At present, in the case of using a cantilever frame as an external protection system in building construction, most projects do not further set protection measures under the cantilever frame. Even if protection measures are taken under the cantilever frame, the protection measures are usually fixed and installed on site by using waste formworks of the construction site after painting, which has low standardization and aesthetics, large installation difficulty and construction risk, and cannot achieve convenient and quick installation, good overall forming effect, multiple recycling use and cost reduction. Moreover, in the process of supporting the cantilever frame in the traditional scheme, the support is unstable, deviates, deforms and damages, and the debris easily falls, which makes the on-site safety risk high.

[0003] Therefore, the patent specification with the publication number CN117145254B discloses a cantilever frame support protection device, which comprises: a plurality of bottom plates, each of which is arranged side by side and supported below the I-beam of the cantilever frame; a plurality of side plates, each of which is vertically connected to one end of each of the bottom plates in the length direction and located at one end of the I-beam of the cantilever frame, and arranged at an interval from the one end of the I-beam of the cantilever frame; a first fixing structure for connecting and fixing the bottom plates and the side plates relative to each other; and a second fixing structure having one end connected to the bottom plate and the other end supporting and embracing the I-beam of the cantilever frame to support and position the I-beam of the cantilever frame. The device can support and protect from below and the side of the cantilever frame through the arrangement of the bottom plates and the side plates, so that the below and the side of the cantilever frame are stably supported and debris falling is prevented, ensuring the safety of the site.

[0004] However, the cantilever frame support protection device still has some deficiencies. First, it has too many components and the installation operation is complicated. Second, it is not conducive to quick installation and cannot be quickly disassembled after installation according to the needs, and recycling is difficult. Third, it does not have monitoring measures and cannot timely discover when heavy objects fall. Therefore, it needs to be optimized and improved. SUMMARY

[0005] The present application aims to overcome the above-mentioned problems in the prior art and provide a cantilever frame support protection device and a use method thereof.

[0006] To achieve the above technical purposes and effects, the present application is implemented by the following technical solutions:

[0007] The present application provides a kind of cantilever frame support protection device, the lower plate of I-beam is installed carrier, the upper plate of I-beam is as the support carrier of cantilever frame, the inner end of I-beam is fixedly connected with outer wall by anchor plate welded therewith;The cantilever frame support protection device includes cantilever frame support assembly and protective net;The cantilever frame support assembly includes first clamping sleeve, outer wall connecting mechanism, second clamping sleeve, support mechanism and coupling mechanism, the first clamping sleeve is clamped and installed at the lower plate of I-beam near anchor plate, the second clamping sleeve is clamped and installed at the lower plate of I-beam near outer end, the lower end of first clamping sleeve is provided with outer wall connecting mechanism, support mechanism is installed between outer wall connecting mechanism and second clamping sleeve, coupling mechanism is provided between the second clamping sleeves of adjacent two I-beams.

[0008] Further, in the cantilever frame support protection device, the inside of the first clamping sleeve and the second clamping sleeve is provided with a reverse T-shaped clamping groove matched with the lower plate of I-beam, the length ratio of the first clamping sleeve and the second clamping sleeve is 1:4-8, and the length of the first clamping sleeve is 10-20 cm.

[0009] Further, in the cantilever frame support protection device, the upper end of the first clamping sleeve is provided with two first fastening screws symmetrically screwed on both sides of the opening, the first fastening screws are screwed inward to tightly abut against the lower plate of I-beam, so as to lock the position of the first clamping sleeve on the lower plate of I-beam.

[0010] Further, in the cantilever frame support protection device, the outer wall connecting mechanism includes a vertical plate, a mounting frame, a fastening screw, a magnetic disc 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 the mounting frame, the fastening screw is screwed in the mounting frame, the outer end of the fastening screw is provided with a rotating handle, the inner end of the fastening screw is movably limited in the magnetic disc, the adhesive plate is attached to the outer wall, and the magnetic disc and the adhesive plate are connected by magnetic attraction.

[0011] Further, in the cantilever frame support 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 hingedly connected with the first ear plate and the second ear plate respectively.

[0012] Further, in the cantilever frame support protection device, the number of support mechanisms is at least one, and the support plate in the support mechanism is a fixed-length support plate or a length-adjustable support plate.

[0013] Further, the cantilever frame support protection device, the connecting mechanism comprises a second fastening screw, a movable bolt and a scissor telescopic frame, the upper end of the second clamping sleeve is provided with two second fastening screws symmetrically screwed on both sides of the opening at the front, the upper end of the second clamping sleeve is provided with a sliding groove symmetrically arranged on both sides of the opening at the rear, the movable bolt is slidably arranged in the sliding groove, and the two second fastening screws and the two movable bolts in the adjacent two second clamping sleeves are jointly provided with the scissor telescopic frame.

[0014] Further, the cantilever frame support protection device, the connecting mechanism comprises a second fastening screw, a movable bolt and a scissor telescopic frame, the upper end of the second clamping sleeve is provided with two second fastening screws symmetrically screwed on both sides of the opening at the front, the upper end of the second clamping sleeve is provided with a sliding groove symmetrically arranged on both sides of the opening at the rear, the movable bolt is slidably arranged in the sliding groove, and the two second fastening screws and the two movable bolts in the adjacent two second clamping sleeves are jointly provided with the scissor telescopic frame.

[0015] Further, the cantilever frame support protection device, the connecting mechanism comprises a second fastening screw, a movable bolt and a scissor telescopic frame, the upper end of the second clamping sleeve is provided with two second fastening screws symmetrically screwed on both sides of the opening at the front, the upper end of the second clamping sleeve is provided with a sliding groove symmetrically arranged on both sides of the opening at the rear, the movable bolt is slidably arranged in the sliding groove, and the two second fastening screws and the two movable bolts in the adjacent two second clamping sleeves are jointly provided with the scissor telescopic frame.

[0016] The application also provides a use method of the cantilever frame support protection device, comprising the following steps:

[0017] 1) Assembly of the first clamping sleeve and the second clamping sleeve: the first clamping sleeve and the second clamping sleeve are sequentially sleeved outside 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 outer wall connecting mechanism: the bonding plate of the outer wall connecting mechanism is installed on the outer wall by bonding, and the magnetic suction disc is magnetically attracted and fixed to the bonding plate by adjusting the fastening screw;

[0019] 3) Assembly of the support mechanism: according to the positions of the first clamping sleeve and the second clamping sleeve, the support plate with a suitable length or the support plate with an adjustable length is selected, and the two ends of the support plate are respectively rotationally connected to the first ear plate and the second ear plate by using the positioning bolt;

[0020] 4) Assembly of the connecting mechanism: according to the distance between the two adjacent I-beams, the width of the scissor telescopic frame is adjusted, and the scissor telescopic frame is jointly installed by using the two second fastening screws and the two movable bolts;

[0021] 5) Laying of the protection net: the protection net is laid along the upper surface of the lowermost support mechanism, the lower side of the second clamping sleeve is provided with the tension sensor, and the pressure receiving end of the tension sensor is connected to the lower protection net through the suspension cable.

[0022] The application has the following beneficial effects:

[0023] The device has reasonable design, and on 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 stressed, the free outer end has a downward bending tendency, the second clamping sleeve in the cantilever frame support assembly transmits the pressure to the outer wall connecting mechanism on the lower side of the first clamping sleeve through the support mechanism, and the outer wall connecting mechanism transmits the pressure to the outer wall, so that 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 the lower side of the second clamping sleeve is provided with a tension sensor, the pressure receiving end of the tension sensor is connected with the protection net below through the suspension cable, when the protection net is impacted by the falling heavy object, the tension sensor can timely sense the tension and send the signal to the background terminal, so that the personnel can be arranged in time to confirm, and the safety is ensured.

[0024] Of course, it is not necessary for any product implementing the present application to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0026] Figure 1 It is a perspective structural schematic view of the whole cantilever frame support protection device of the present application;

[0027] Figure 2 It is a side view structural schematic view of the whole cantilever frame support protection device of the present application;

[0028] Figure 3 It is a front view structural schematic view of the whole cantilever frame support protection device of the present application;

[0029] Figure 4 It is a perspective structural schematic view of the cantilever frame support assembly of the present application in another angle after omitting the scissor folding frame;

[0030] Figure 5 It is a perspective structural schematic view of the cantilever frame support assembly of the present application in another angle after omitting the scissor folding frame;

[0031] Figure 6 It is a side view structural schematic view of the cantilever frame support assembly of the present application after omitting the scissor folding frame;

[0032] Figure 7 It is a structural schematic view of the first clamping sleeve and the outer wall connecting mechanism of the present application;

[0033] Figure 8This is a schematic diagram of the structure of the second snap-fit ​​sleeve and its components in this invention;

[0034] Figure 9 This is a schematic diagram of the sliding groove on the second snap-fit ​​sleeve in this invention;

[0035] Figure 10 This is a schematic diagram showing the position of the scissor lift telescopic frame in this invention;

[0036] In the attached diagram, the component numbers are as follows:

[0037] 1-Exterior wall, 2-I-beam, 3-Anchor plate, 4-Cantilever support assembly, 401-First snap-fit ​​sleeve, 402-First fastening screw, 403-Vertical plate, 404-Mounting frame, 405-Fasting bolt, 406-Magnetic chuck, 407-Adhesive plate, 408-First ear plate, 409-Second snap-fit ​​sleeve, 410-Second ear plate, 411-Support plate, 412-Second fastening screw, 413-Slide groove, 414-Modible bolt, 415-Scissor telescopic frame, 5-Safety net. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Example 1

[0040] like Figures 1-3 As shown, this embodiment provides a cantilever support and protection device. The cantilever support and protection device 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. The inner end of the I-beam 2 is fixedly connected to the outer wall 1 through the anchor plate 3 welded to it. The cantilever support and protection device includes a cantilever support assembly 4 and a protective net 5. The cantilever support assembly 4 includes a first snap-fit ​​sleeve 401, an outer wall connection mechanism, a second snap-fit ​​sleeve 409, a support mechanism, and a connecting mechanism. The first snap-fit ​​sleeve 401 is snap-fitted and installed on the lower plate of the I-beam near the anchor plate. The second snap-fit ​​sleeve 409 is snap-fitted and installed on the lower plate of the I-beam 2 near the outer end. The lower end of the first snap-fit ​​sleeve 401 is equipped with an outer wall connection mechanism. A support mechanism is installed between the outer wall connection mechanism and the second snap-fit ​​sleeve 409. A connecting mechanism is provided between the second snap-fit ​​sleeves 409 of two adjacent I-beams 2.

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

[0042] In the embodiment, the interior of the first clamping sleeve 401 and the second clamping sleeve 409 is provided with a reversed T-shaped clamping slot matched with the lower plate of the I-beam 2, the length ratio of the first clamping sleeve 401 and the second clamping sleeve 409 is 1:4, and the length value of the first clamping sleeve 401 is 20 cm.

[0043] In the embodiment, the upper end of the first clamping sleeve 401 is provided with two first fastening screws 402 symmetrically screwed on both sides of the opening, the first fastening screw 402 is screwed inward to tightly abut with 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 the embodiment, the outer wall connecting mechanism includes a vertical plate 403, a mounting frame 404, a fastening screw 405, a magnetic suction disc 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, the lower part of the vertical plate 403 is fixed with the mounting frame 404, the fastening screw 405 is screwed in the mounting frame 404, the outer end of the fastening screw 405 is provided with a rotating handle, the inner end of the fastening screw 405 is movably limited in the magnetic suction disc 406, the adhesive plate 407 is mounted on the outer wall 1 by adhesive method, and the magnetic suction disc 406 and the adhesive plate 407 are connected by magnetic suction.

[0045] In the embodiment, the support 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 the embodiment, the number of the support mechanism is two, and the support plate 411 in the support mechanism is a fixed-length support plate.

[0047] In the embodiment, the connecting mechanism includes a second fastening screw 412, a movable bolt 414 and a scissor telescopic frame, two second fastening screws 412 are symmetrically screwed on both sides of the opening at the front of the upper end of the second clamping sleeve 409, a sliding groove 413 is symmetrically provided on both sides of the opening at the rear of the upper end of the second clamping sleeve 409, the movable bolt 414 is movably limited in the sliding groove 413, and the two second fastening screws 412 and the two movable bolts 414 in the adjacent two second clamping sleeves 409 are jointly provided with the scissor telescopic frame 415.

[0048] In the embodiment, the protective net 5 is laid along the upper surface of the lowermost support mechanism, the lower side of the second clamping sleeve 409 is provided with a tension sensor, and the pressure receiving end of the tension sensor is connected with the protective net 5 below through a suspension cable.

[0049] In the 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] The embodiment also provides a method for using the cantilevered frame supporting protection device, comprising the following steps:

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

[0052] 2) Assembly of the outer wall connecting mechanism: the adhesive plate 407 of the outer wall connecting mechanism is installed on the outer wall 1 by using the adhesive method, and the magnetic suction disc 406 is magnetically attracted and fixed with the adhesive plate 407 by adjusting the fastening screw 405;

[0053] 3) Assembly of the supporting mechanism: according to the positions of the first clamping sleeve 401 and the second clamping sleeve 409, the support plate 411 with a proper length is selected, and the two ends of the support plate 411 are respectively rotationally connected with the first ear plate 408 and the second ear plate 410 by using the positioning bolt;

[0054] 4) Assembly of the connecting mechanism: according to the distance between the two adjacent I-beams 2, the width of the scissor folding frame 415 is adjusted, and the scissor folding frame 415 is installed by using the two second fastening screws 412 and the two movable bolts 414;

[0055] 5) Laying of the protective net: the protective net 5 is laid along the upper surface of the lowermost supporting mechanism, the lower side of the second clamping sleeve 409 is provided with a tension sensor, and the pressure receiving end of the tension sensor is connected with the lower protective net 5 through a suspension cable.

[0056] One specific application of the embodiment is that: the device is rationally 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 supporting carrier of the cantilevered frame. When the I-beam 2 is stressed, the free outer end has a downward bending tendency, the second clamping sleeve 409 in the cantilevered frame supporting assembly 4 transmits the pressure to the outer wall connecting mechanism on the lower side of the first clamping sleeve 401 through the supporting mechanism, and the outer wall connecting mechanism transmits the pressure to the outer wall, so that the supporting capacity of the I-beam 2 is improved; on the other hand, the supporting mechanism is used to lay the supporting protective net 5, and the lower side of the second clamping sleeve 409 is provided with a tension sensor, the pressure receiving end of the tension sensor is connected with the lower protective net 5 through a suspension cable, when the protective net 5 is impacted by a falling heavy object, the tension sensor can timely sense the tension and send a signal to the background terminal, so that personnel can be arranged in time for confirmation, and safety is ensured.

[0057] Embodiment two

[0058] The embodiment provides a cantilever frame support protection device, which takes the lower plate of an I-beam 2 as an installation carrier, takes the upper plate of the I-beam 2 as a support carrier of the cantilever frame, and is fixedly connected with an outer wall 1 through an anchoring plate 3 welded with the inner end of the I-beam 2; the cantilever frame support protection device comprises a cantilever frame support assembly 4 and a protective net 5; the cantilever frame support assembly 4 comprises a first clamping sleeve 401, an outer wall connecting mechanism, a second clamping sleeve 409, a support mechanism and a connecting mechanism, the first clamping sleeve 401 is clamped and installed at the position close to the anchoring plate of the lower plate of the I-beam, the second clamping sleeve 409 is clamped and installed at the position close to the outer end of the lower plate of the I-beam 2, the outer wall connecting mechanism is installed at the lower end of the first clamping sleeve 401, the support mechanism is installed between the outer wall connecting mechanism and the second clamping sleeve 409, and the connecting mechanism is arranged between the second clamping sleeves 409 of two adjacent I-beams 2.

[0059] The structure of the cantilever frame support assembly 4 is shown as Figures 4-10

[0060] In the embodiment, the inside of the first clamping sleeve 401 and the second clamping sleeve 409 is provided with a reverse T-shaped clamping groove matched with the lower plate of the I-beam 2, the length ratio of the first clamping sleeve 401 to the second clamping sleeve 409 is 1:8, and the length value of the first clamping sleeve 401 is 10 cm.

[0061] In the embodiment, two first fastening screws 402 are symmetrically screwed on the upper end of the first clamping sleeve 401 on both sides of the opening, the first fastening screws 402 are screwed inward to tightly abut against the lower plate of the I-beam 2, and then the position of the first clamping sleeve 401 on the lower plate of the I-beam 2 is locked.

[0062] In the embodiment, the outer wall connecting mechanism comprises a vertical plate 403, a mounting frame 404, a fastening screw 405, a magnetic suction disc 406 and a bonding plate 407, the upper end of the vertical plate 403 is fixed to the lower side of the first clamping sleeve 401, the lower part of the vertical plate 403 is fixed with the mounting frame 404, the fastening screw 405 is screw-mounted in the mounting frame 404, the outer end of the fastening screw 405 is provided with a rotating handle, the inner end of the fastening screw 405 is movably limited in the magnetic suction disc 406, the bonding plate 407 is mounted on the outer wall 1 in a bonding mode, and the magnetic suction disc 406 and the bonding plate 407 are connected in a magnetic suction mode.

[0063] In the embodiment, the support mechanism comprises 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 the embodiment, the number of the support mechanism is one, and the support plate 411 in the support mechanism is a length-adjustable support plate. ​

[0065] In the embodiment, the connecting mechanism comprises the second fastening screw 412, the movable bolt 414 and the scissor folding frame. The upper front part of the second clamping sleeve 409 is provided with two second fastening screws symmetrically screwed on both sides of the opening. The upper rear part of the second clamping sleeve 409 is provided with a sliding groove 413 symmetrically formed on both sides of the opening. The movable bolt 414 is slidingly limited in the sliding groove 413. The two second fastening screws 412 and the two movable bolts 414 in the adjacent two second clamping sleeves 409 are jointly provided with the scissor folding frame 415.

[0066] In the embodiment, the protective net 5 is laid along the upper surface of the lowermost support mechanism. The undersides of the second clamping sleeves 409 are provided with tension sensors. The pressure receiving ends of the tension sensors are connected to the lower protective net 5 through a suspension cable.

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

[0068] The embodiment also provides a use method of the cantilever frame support protection device, which comprises the following steps.

[0069] 1) Assembly of the first clamping sleeve 401 and the second clamping sleeve 409: 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. The first clamping sleeve 401 is locked on the position on the lower plate of the I-beam 2 by using the first fastening screw.

[0070] 2) Assembly of the outer wall connecting mechanism: the adhesive plate 407 of the outer wall connecting mechanism is installed on the outer wall 1 by adhesion. The magnetic suction disc 406 is magnetically suctioned and fixed with the adhesive plate 407 by adjusting the fastening screw 405.

[0071] 3) Assembly of the support mechanism: according to the positions of the first clamping sleeve 401 and the second clamping sleeve 409, the length-adjustable support plate 411 is selected. The two ends of the support plate 411 are rotationally connected with the first ear plate 408 and the second ear plate 410 respectively by using the positioning bolt.

[0072] 4) Assembly of the connecting mechanism: according to the distance between the adjacent two I-beams 2, the width of the scissor folding frame 415 is adjusted. The scissor folding frame 415 is jointly installed by using the two second fastening screws 412 and the two movable bolts 414.

[0073] 5) Laying of the protective net: the protective net 5 is laid along the upper surface of the support mechanism. The undersides of the second clamping sleeves 409 are provided with tension sensors. The pressure receiving ends of the tension sensors are connected to the lower protective net 5 through a suspension cable.

[0074] The preferred embodiments of the application disclosed above are only to facilitate the elucidation of the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments. Obviously, many modifications and variations can be made in light of the teachings above. The description is chosen and described in order to provide the best illustration of the application and its practical application to those skilled in the art and to enable those skilled in the art to best utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. A cantilevered shelf support guard characterized by, The cantilever frame support protection device takes the lower plate of the I-beam as the installation carrier, the upper plate of the I-beam as the support carrier of the cantilever frame, and the inner end of the I-beam is fixedly connected with the outer wall through the anchor plate welded therewith; the cantilever frame support protection device comprises a cantilever frame support assembly and a protective net; the cantilever frame support assembly comprises a first clamping sleeve, an outer wall connecting mechanism, a second clamping sleeve, a support mechanism and a connecting mechanism, the first clamping sleeve is clamped and installed at the position close to the anchor plate on the lower plate of the I-beam, the second clamping sleeve is clamped and installed at the position close to the outer end on the lower plate of the I-beam, the lower end of the first clamping sleeve is provided with the outer wall connecting mechanism, the support mechanism is installed between the outer wall connecting mechanism and the second clamping sleeve, and the connecting mechanism is arranged between the second clamping sleeves of two adjacent I-beams. The outer wall connecting mechanism comprises a vertical plate, a mounting frame, a fastening screw, a magnetic disc and a bonding plate, the upper end of the vertical plate is fixed with the lower side of the first clamping sleeve, the lower part of the vertical plate is fixed with the mounting frame, the fastening screw is screwed and installed in the mounting frame, the outer end of the fastening screw is provided with a rotating handle, the inner end of the fastening screw is movably limited in the magnetic disc, the bonding plate is installed on the outer wall by bonding, and the magnetic disc and the bonding plate are connected by magnetic attraction. The support mechanism comprises 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 hingedly connected with the first ear plate and the second ear plate respectively.

2. The overhang rack support guard of claim 1, wherein, The interior of the first clamping sleeve and the second clamping sleeve is provided with a reverse T-shaped clamping groove matched with the lower plate of the I-beam, the length ratio of the first clamping sleeve to the second clamping sleeve is 1:4-8, and the length of the first clamping sleeve is 10-20 cm.

3. The overhang rack support guard of claim 2, wherein, Two first fastening screws are symmetrically screwed on the upper end of the first clamping sleeve on both sides of the opening, the first fastening screws are screwed inward to tightly abut against the lower plate of the I-beam, so as to lock the position of the first clamping sleeve on the lower plate of the I-beam.

4. The overhang rack support guard of claim 1, wherein, The number of the support mechanism is at least one, and the support plate in the support mechanism is a fixed-length support plate or a length-adjustable support plate.

5. The overhang rack support guard of claim 4, wherein, The connecting mechanism comprises a second fastening screw, a movable bolt and a scissor-type telescopic frame, two second fastening screws are symmetrically screwed on both sides of the opening at the front of the upper end of the second clamping sleeve, a sliding groove is symmetrically formed on both sides of the opening at the rear of the upper end of the second clamping sleeve, the movable bolt is slidably limited in the sliding groove, and the two second fastening screws and the two movable bolts in the two second clamping sleeves opposite to each other are jointly provided with the scissor-type telescopic frame.

6. The overhang rack support guard of claim 5, wherein, The protective net is laid along the upper surface of the lowermost support mechanism, a tension sensor is installed on the lower side of the second clamping sleeve, and the pressure receiving end of the tension sensor is connected with the protective net below through a suspension cable.

7. The overhang rack support guard of claim 6, wherein, All the components in the cantilever frame support assembly are made of stainless steel metal material, and the protective net is made of polyester fiber or nylon material.

8. The method of using a cantilevered rack support guard of claim 7, wherein, The method comprises the following steps: 1) Assembly of the first and second clamping sleeves: firstly, the first and second clamping sleeves are sequentially sleeved outside the lower plate of the corresponding I-beam, and the position of the first clamping sleeve on the I-beam lower plate is locked by using the first fastening screw; 2) Assembly of the outer wall connecting mechanism: the bonding plate of the outer wall connecting mechanism is installed on the outer wall by bonding, and the magnetic suction disc is magnetically attracted and fixed to the bonding plate by adjusting the fastening screw; 3) Assembly of the support mechanism: according to the position of the first and second clamping sleeves, the appropriate length of the support plate or the length-adjustable support plate is selected, and the two ends of the support plate are respectively rotatably connected to the first and second ear plates by positioning bolts; 4) Assembly of the connecting mechanism: according to the distance between the two adjacent I-beams, the width of the whole scissor folding frame is adjusted, and the scissor folding frame is installed by using two second fastening screws and two movable bolts; 5) Laying of the protective net: the protective net is laid along the upper surface of the lowermost support mechanism, the lower side of the second clamping sleeve is provided with a tension sensor, and the pressure receiving end of the tension sensor is connected to the lower protective net through a suspension cable.

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