Telescopic cantilever frame bottom protection structure

Abstract

The utility model relates to overhanging frame technical field, and disclose a telescopic overhanging frame bottom protection structure, including building frame, install the support steel beam on the building frame surface, the top of support steel beam is installed with overhanging frame body, the bottom inner sleeve of overhanging frame body is equipped with bottom protection board spare, and the corner structure of bottom protection board spare is set up with the connecting component between the pipe body structure of overhanging frame body bottom, the connecting component includes annular sleeve spare, support plate, guide rod and spring, the annular sleeve spare is sleeved on the pipe body structure surface of overhanging frame body bottom. The utility model discloses a bottom protection board spare and multiple connecting components are set up and constitute multifunctional protection structure, and after subsequent combination use with building frame, support steel beam and overhanging frame body, can utilize multiple connecting components to detachable installation overhanging frame body and bottom protection board spare, satisfy the use demand of convenient maintenance while satisfying the shielding protection use effect.

Description

Technical Field

[0001] This utility model relates to the field of cantilever frame technology, specifically a telescopic cantilever frame bottom protection structure. Background Technology

[0002] Cantilever scaffolding, also known as cantilevered scaffolding, is a simple facility used in construction. It is divided into two types: single-layer cantilever and multi-layer cantilever. The specific construction principle is to place the bottom of the uprights against the building parts such as floor slabs, beams or walls, and fix them outwards. Then, horizontal bars are erected on top of them, and scaffold boards are laid to form a construction layer. After completing one floor, when moving to the next floor, the scaffolding is re-erected to provide a platform for the next floor's construction. It is simple to operate and relatively flexible to use.

[0003] In recent years, with the further development of existing technology, some technical solutions for improving cantilever scaffolding have been disclosed in the existing technology. For example, the patent document with application number 202220439839.5 discloses a protective device for the bottom of cantilever scaffolding. It proposes that "by setting a support template and a buffer base plate with a double-layer protective structure at the bottom of the scaffolding, the support and protection effect of the bottom of the scaffolding is strengthened, and the safety of workers during scaffolding construction is improved. By setting buffer support columns and shock-absorbing springs, when heavy objects fall onto the surface of the buffer base plate, the shock-absorbing springs can play a buffering and shock-absorbing role, avoiding the vibration generated during the impact on the scaffolding structure."

[0004] However, during the actual assembly process, the applicant discovered that the spacing between the tube structures inside the cantilever frame installed at an environmental corner is different from that installed on an environmental plane. Therefore, if the technical solution provided by the prior art is improved, two different lengths of base plates are required, which increases the load-bearing capacity and also increases the cost of use. Therefore, in order to solve the problems of the prior art, the applicant will provide a telescopic cantilever frame bottom protection structure. Utility Model Content

[0005] This utility model provides a telescopic cantilever frame bottom protection structure, which solves the problems mentioned in the background art.

[0006] This utility model provides the following technical solution: a telescopic cantilever frame bottom protection structure, including a building frame, a supporting steel beam installed on the surface of the building frame, a cantilever frame body installed on the top of the supporting steel beam, a bottom protective plate being fitted inside the bottom of the cantilever frame body, and a connecting component being provided between the corner structure of the bottom protective plate and the tube structure at the bottom of the cantilever frame body.

[0007] The connecting components include an annular assembly, a support plate, a guide rod, and a spring. The annular assembly is fitted onto the surface of the tubular structure at the bottom of the cantilever frame body. The two ends of the support plate are connected to the annular assembly and extend to the bottom of the corresponding corner structure of the bottom protective plate. The two ends of the guide rod are fixed to one end of the support plate and penetrate the corresponding corner structure of the bottom protective plate, extending to the top of the bottom protective plate. The spring is fitted onto the outside of one end of the guide rod, and the two ends of the spring are fixed to the bottom surface of the bottom protective plate and the corresponding end surface of the support plate.

[0008] Preferably, the annular assembly includes a first semicircular ring plate and a second semicircular ring plate. A clearance groove is provided in one end of the first semicircular ring plate, and one end of the second semicircular ring plate is hinged in the clearance groove by a pin. When the first semicircular ring plate and the second semicircular ring plate are in relative positions, they can limit the installation of the tube structure at the bottom of the cantilever frame body. A screw locking component is provided between the other end of the first semicircular ring plate and the other end of the second semicircular ring plate.

[0009] The screw locking component includes a screw body and a combination nut. Both the other end of the first semicircular ring plate and the other end of the second semicircular ring plate have through holes. One end of the screw body can be used to detachably install the second semicircular ring plate and the first semicircular ring plate by spirally locking the screw body through the through holes in the first and second semicircular ring plates and the combination nut.

[0010] Preferably, the guide rod has an external thread on the outer end surface of the top of the bottom protective plate and an internal thread sleeve is helically engaged by the external thread, and there is a buffer space between the bottom of the internal thread sleeve and the top of the bottom protective plate.

[0011] Preferably, the bottom protective plate includes a first protective plate, a second protective plate, and a third protective plate. The third protective plate is assembled between the rear end of the first protective plate and the front end of the second protective plate. Weight reduction grooves are provided in the middle of the first protective plate, the middle of the second protective plate, and the middle of the third protective plate. Protective filters are fixedly nested in the weight reduction grooves.

[0012] Preferably, the front end of the second protective plate is provided with an assembly groove, and both sides of the second protective plate are provided with strip grooves communicating with the assembly groove. The rear end of the first protective plate is fixed with a third protective plate that engages with the assembly groove. Fasteners are provided between the side of the third protective plate and the corresponding side of the second protective plate.

[0013] Preferably, the fastener includes a screw fixed to the side of the third protective plate, one end of the screw passing through the corresponding strip groove and extending to the outside of the second protective plate, and a positioning nut threadedly connected to the end surface of the screw, and the two positioning nuts in relative positions can clamp and limit the overlap between the third protective plate and the second protective plate.

[0014] Preferably, the fastener includes positioning bolts, and positioning screw holes are provided on both sides of the rear end of the third protective plate. One end of the positioning bolt can pass through the corresponding strip groove and be screwed into the positioning screw hole. The two positioning bolts in opposite positions can clamp and limit the overlap between the third protective plate and the second protective plate.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model consists of a bottom protective plate and multiple connecting parts to form a multi-functional protective structure. After being combined with the building frame, supporting steel beams and cantilever frame body, the cantilever frame body and the bottom protective plate can be detachably installed using multiple connecting parts, which not only meets the effect of shielding and protection but also meets the needs of convenient maintenance.

[0017] 2. After being impacted, the bottom protective plate of the multi-functional protective structure can be moved and buffered by the spring, which further optimizes the protective effect of the multi-functional protective structure during use and reduces the damage to the multi-functional protective structure caused by impact.

[0018] 3. The bottom protective plate of this utility model can use the third protective plate as a transition condition to adjust the relative displacement between the first protective plate and the second protective plate, thereby meeting the protection installation and use requirements of cantilever frame bodies with different spacings and further expanding the application range of the overall device. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a top view of the structure of this utility model;

[0021] Figure 3 This is a right-side view of the structure of this utility model;

[0022] Figure 4 This is an enlarged schematic diagram of the structural connection component of this utility model;

[0023] Figure 5 This is an enlarged schematic diagram of the annular component of this utility model.

[0024] Figure 6This is an enlarged schematic diagram of the structural strip groove of this utility model;

[0025] Figure 7 This is an enlarged schematic diagram of the structural positioning bolt of this utility model.

[0026] In the diagram: 1. Building frame; 2. Supporting steel beam; 3. Cantilever frame body; 4. Bottom protective plate; 41. First protective plate; 42. Second protective plate; 43. Third protective plate; 44. Strip groove; 45. Screw; 46. Positioning nut; 47. Positioning bolt; 5. Connecting component; 51. Ring assembly; 511. First semi-circular ring plate; 512. Second semi-circular ring plate; 513. Screw locking component; 52. Support plate; 53. Guide rod; 54. Spring; 55. Internal threaded sleeve; 6. Protective filter screen. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-5 A telescopic cantilever frame bottom protection structure includes a building frame 1, a supporting steel beam 2 installed on the surface of the building frame 1, a cantilever frame body 3 installed on the top of the supporting steel beam 2, a bottom protective plate 4 installed inside the bottom of the cantilever frame body 3, and a connecting component 5 provided between the corner structure of the bottom protective plate 4 and the tube structure at the bottom of the cantilever frame body 3.

[0029] The connecting component 5 includes an annular assembly 51, a support plate 52, a guide rod 53, and a spring 54. The annular assembly 51 is fitted onto the surface of the tube structure at the bottom of the cantilever frame body 3. The two ends of the support plate 52 are respectively connected to the annular assembly 51 and extend to the bottom of the corresponding corner structure of the bottom protective plate 4. The two ends of the guide rod 53 are respectively fixed to one end of the support plate 52 and penetrate the corresponding corner structure of the bottom protective plate 4 and extend to the top of the bottom protective plate 4. The spring 54 is fitted onto the outside of one end of the guide rod 53, and the two ends of the spring 54 are respectively fixed to the bottom surface of the bottom protective plate 4 and the corresponding end surface of the support plate 52.

[0030] The annular assembly 51 includes a first semicircular annular plate 511 and a second semicircular annular plate 512. A clearance groove is provided in one end of the first semicircular annular plate 511, and one end of the second semicircular annular plate 512 is hinged in the clearance groove by a pin. When the first semicircular annular plate 511 and the second semicircular annular plate 512 are in relative positions, they can limit the installation of the tube structure at the bottom of the cantilever frame body 3. A screw locking component 513 is provided between the other end of the first semicircular annular plate 511 and the other end of the second semicircular annular plate 512.

[0031] The screw locking component 513 includes a screw body and a combination nut. The other end of the first semicircular ring plate 511 and the other end of the second semicircular ring plate 512 are provided with through holes. One end of the screw body can be used to detachably install the second semicircular ring plate 512 and the first semicircular ring plate 511 by spirally locking the screw body through the through holes in the first semicircular ring plate 511 and the second semicircular ring plate 512, thereby facilitating subsequent maintenance and replacement. The guide rod 53 has an external thread on the end surface located on the outer side of the top of the bottom protective plate 4, and an internal thread sleeve 55 is spirally engaged by the external thread. There is a buffer space between the bottom of the internal thread sleeve 55 and the top of the bottom protective plate 4.

[0032] In use, the connecting parts 5 are specifically set to four, and the combination of the four connecting parts 5 and the bottom protective plate 4 is detachably installed with the bottom structure of the cantilever frame body 3 to form an anti-fall platform in the bottom internal space of the cantilever frame body 3, thereby blocking and protecting objects falling from heights during construction. When the bottom protective plate 4 is hit, the bottom protective plate 4 will be linked with the spring 54 to perform displacement buffering.

[0033] When the bottom protective plate 4 needs to be replaced, there are several ways to operate. First, turn the screw body in the screw locking part 513 and separate the screw body from the corresponding combination nut. Then, flip the second semi-circular ring plate 512 so that the second semi-circular ring plate 512 can be flipped and separated from the first semi-circular ring plate 511, which can then be separated from the tube structure corresponding to the bottom of the cantilever frame body 3. The remaining three connecting parts 5 are also operated in the same way. In this way, the assembly of the four connecting parts 5 and the bottom protective plate 4 can be disassembled as a whole in a modular manner.

[0034] The second method involves screwing the internal threaded sleeve 55 inside the connecting component 5 to disengage the internal threaded sleeve 55 from the guide rod 53. Similarly, the remaining three connecting components 5 are operated in the same manner. After completion, the bottom protective plate 4 is lifted directly to separate the bottom protective plate 4 from the four guide rods 53, allowing for targeted replacement of the bottom protective plate 4.

[0035] Please see Figure 1 , Figure 6The bottom protective plate 4 includes a first protective plate 41, a second protective plate 42, and a third protective plate 43. The third protective plate 43 is assembled and connected between the rear end of the first protective plate 41 and the front end of the second protective plate 42. Weight reduction grooves are provided in the middle of the first protective plate 41, the middle of the second protective plate 42, and the middle of the third protective plate 43. A protective filter 6 is fixedly nested in the weight reduction groove, thereby ensuring the structural strength while reducing the structural weight. An assembly groove is provided in the front end of the second protective plate 42, and strip grooves 44 communicating with the assembly groove are provided on both sides of the second protective plate 42. The rear end of the first protective plate 41 is fixed with the third protective plate 43, which is engaged with the assembly groove. Fasteners are provided between the side of the third protective plate 43 and the corresponding side of the second protective plate 42, thereby allowing the first protective plate 41 and the second protective plate 42 to be adjusted in length through the third protective plate 43.

[0036] The fastener includes a screw 45 fixed on the side of the third protective plate 43. One end of the screw 45 passes through the corresponding strip groove 44 and extends to the outside of the second protective plate 42. A positioning nut 46 is threaded onto the end surface of one end of the screw 45. The two positioning nuts 46 in opposite positions can clamp and limit the overlap between the third protective plate 43 and the second protective plate 42.

[0037] When adjusting the overall length of the bottom protective plate 4 during use, the positioning nut 46 can be turned to temporarily move the positioning nut 46 away from the corresponding second protective plate 42. Then, the first protective plate 41 and the second protective plate 42 are pulled relative to each other, and the third protective plate 43 moves to make room in the assembly slot, maintaining the overall effect of the first protective plate 41 and the second protective plate 42. After completion, the positioning nuts 46 on both sides of the third protective plate 43 are reset and locked, so that the two positioning nuts 46 in the relative position clamp and limit the overlap of the third protective plate 43 and the second protective plate 42.

[0038] Please see Figure 1 , Figure 7 The fasteners include positioning bolts 47. Positioning screw holes are provided on both sides of the rear end of the third protective plate 43. One end of the positioning bolt 47 can pass through the corresponding strip groove 44 and be screwed into the positioning screw hole. The two positioning bolts 47 in the opposite position can clamp and limit the overlap between the third protective plate 43 and the second protective plate 42.

[0039] In use, considering the actual need to increase the means of adjusting the length of the bottom protective plate 4, two positioning bolts 47 are used to lock and limit the third protective plate 43 and the second protective plate 42. The specific operation is as follows:

[0040] Tighten the two positioning bolts 47 in sequence to temporarily move the positioning bolts 47 away from the corresponding second protective plate 42. Then, pull the first protective plate 41 and the second protective plate 42 relative to each other, and move the third protective plate 43 in the assembly slot to make room, maintaining the overall effect of the first protective plate 41 and the second protective plate 42. After completion, reset and lock the positioning bolts 47 on both sides of the third protective plate 43, so that the two positioning bolts 47 in the relative position clamp and limit the overlapping part of the third protective plate 43 and the second protective plate 42.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Additionally, in the accompanying drawings of this utility model, the fill patterns are merely for distinguishing layers and do not constitute any other limitation.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A telescopic cantilever frame bottom protection structure, comprising a building frame (1), a supporting steel beam (2) installed on the surface of the building frame (1), wherein a cantilever frame body (3) is installed on the top of the supporting steel beam (2), characterized in that: The bottom of the cantilever frame body (3) is fitted with a bottom protective plate (4), and a connecting component (5) is provided between the corner structure of the bottom protective plate (4) and the tube structure at the bottom of the cantilever frame body (3). The connecting component (5) includes an annular kit (51), a support plate (52), a guide rod (53), and a spring (54). The annular kit (51) is fitted onto the surface of the tube structure at the bottom of the cantilever frame body (3). The two ends of the support plate (52) are connected to the annular kit (51) and extend to the bottom of the corresponding corner structure of the bottom protective plate (4). The two ends of the guide rod (53) are fixed to one end of the support plate (52) and penetrate the corresponding corner structure of the bottom protective plate (4) and extend to the top of the bottom protective plate (4). The spring (54) is fitted onto the outside of one end of the guide rod (53), and the two ends of the spring (54) are fixed to the bottom surface of the bottom protective plate (4) and the corresponding end surface of the support plate (52).

2. The telescopic cantilever frame bottom protection structure according to claim 1, characterized in that: The annular assembly (51) includes a first semicircular ring plate (511) and a second semicircular ring plate (512). A clearance groove is provided in one end of the first semicircular ring plate (511), and one end of the second semicircular ring plate (512) is hinged in the clearance groove by a pin. When the first semicircular ring plate (511) and the second semicircular ring plate (512) are in relative positions, they can limit the installation of the tube structure at the bottom of the cantilever frame body (3). A screw locking component (513) is provided between the other end of the first semicircular ring plate (511) and the other end of the second semicircular ring plate (512). The screw locking component (513) includes a screw body and a combination nut. The other end of the first semicircular ring plate (511) and the other end of the second semicircular ring plate (512) are provided with through holes. One end of the screw body can be used to detachably install the second semicircular ring plate (512) and the first semicircular ring plate (511) by spirally locking the screw body through the through holes in the first semicircular ring plate (511) and the second semicircular ring plate (512).

3. The telescopic cantilever frame bottom protection structure according to claim 2, characterized in that: The guide rod (53) has an external thread on the end surface located on the outer side of the top of the bottom protective plate (4) and an internal thread sleeve (55) is engaged by the external thread. There is a buffer space between the bottom of the internal thread sleeve (55) and the top of the bottom protective plate (4).

4. The telescopic cantilever frame bottom protection structure according to claim 1, characterized in that: The bottom protective plate (4) includes a first protective plate (41), a second protective plate (42), and a third protective plate (43). The third protective plate (43) is assembled between the rear end of the first protective plate (41) and the front end of the second protective plate (42). Weight reduction grooves are provided in the middle of the first protective plate (41), the middle of the second protective plate (42), and the middle of the third protective plate (43). A protective filter (6) is fixedly nested in the weight reduction groove.

5. The telescopic cantilever frame bottom protection structure according to claim 4, characterized in that: The second protective plate (42) has an assembly groove in its front end, and both sides of the second protective plate (42) have strip grooves (44) that communicate with the assembly groove. The rear end of the first protective plate (41) is fixed with a third protective plate (43) that is engaged with the assembly groove. Fasteners are provided between the side of the third protective plate (43) and the corresponding side of the second protective plate (42).

6. The telescopic cantilever frame bottom protection structure according to claim 5, characterized in that: The fastener includes a screw (45) fixed on the side of the third protective plate (43). One end of the screw (45) passes through the corresponding strip groove (44) and extends to the outside of the second protective plate (42). A positioning nut (46) is threaded onto the end surface of the screw (45), and the two positioning nuts (46) in opposite positions can clamp and limit the overlap between the third protective plate (43) and the second protective plate (42).

7. The telescopic cantilever frame bottom protection structure according to claim 5, characterized in that: The fasteners include positioning bolts (47). Positioning screw holes are provided on both sides of the rear end of the third protective plate (43). One end of the positioning bolt (47) can pass through the corresponding strip groove (44) and be screwed into the positioning screw hole. The two positioning bolts (47) in opposite positions can clamp and limit the overlap between the third protective plate (43) and the second protective plate (42).

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