Protective device
By designing a storage protective device, the problem of waste of protection device resources after construction is solved, and flexible adjustment of protective structures and efficient utilization of resources are achieved.
Patent Information
- Application Number
- CN202421149764.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The protective devices in the prior art are usually discarded or harmlessly treated after completion of construction, resulting in waste of resources.
A protective device is designed, which includes a main body and a fixing component. The protective structure can extend and extend from the opening of the main body under external force. The fixing component is fixedly connected to the ground to ensure that the protective structure can be retracted into the main body after construction is completed. .
The storage capacity of the protective structure is achieved, resource waste is avoided, and the extension length of the protective structure is conveniently adjusted to meet the needs of different construction sites.
Smart Images
Figure CN222525993U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building protection, in particular to a protection device. Background Art
[0002] BIM, also known as Building Information Modeling, is a building model with information as its important carrier. It can use the visualization of the model to intuitively express building details and provide an efficient collaborative work platform for construction project sites.
[0003] In the process of BIM building construction, protective devices are needed to protect and safeguard the construction site. The protective devices in the prior art usually adopt protective nets for protection, so as to prevent soil and building materials from splashing out of the construction site during the construction process, causing injuries to passers-by, and also prevent outsiders from entering the construction site. However, after the construction is completed, the protective nets will be discarded or disposed of harmlessly, resulting in a waste of resources. Utility Model Content
[0004] Therefore, the technical problem to be solved by the utility model is that after the construction is completed, the protective net will be discarded or disposed of harmlessly, resulting in the defect of waste of resources, so a protective device is provided.
[0005] In order to solve the above problems, the utility model provides a protective device, comprising:
[0006] A main body, with at least one opening arranged on the circumference thereof, a cavity being constructed in the main body, the opening being communicated with the cavity, a protective structure being arranged in the cavity, one side of the protective structure being fixedly arranged in the cavity, a side of the protective structure opposite to the fixed side being an extension side, and the extension side being adapted to extend and protrude from the opening under the driving of an external force;
[0007] A fixing component is arranged on the extending side, the fixing component is parallel to the gravity direction, and one end of the fixing component is fixedly connected to the ground to fix the protective structure.
[0008] Furthermore, the fixing assembly includes a first rod body and a second rod body, the first rod body is configured with a first sliding cavity, the second rod body is movably disposed in the first sliding cavity, and the second rod body can move relatively along the direction of gravity, and the protective structure includes a first protective member and a second protective member, the extending side of the first protective member is fixedly connected to the first rod body, the second protective member is fixedly connected to the second rod body, and the first protective member and the second protective member are parallel to each other and staggered.
[0009] Furthermore, it also includes:
[0010] At least one reinforcement component, the reinforcement component includes a first reinforcement member and a second reinforcement member parallel to the fixing component, the first reinforcement member and the second reinforcement member are respectively arranged on the back sides of the first protective member and the second protective member, the two ends of the first reinforcement member are respectively fixedly connected to the two sides of the first protective member, the two ends of the second reinforcement member are respectively fixedly connected to the two sides of the second protective member, the first reinforcement member is constructed with a second sliding cavity, the second reinforcement member is movably arranged in the second sliding cavity, and the two sides of the first reinforcement member have protective member extension openings connected to the second sliding cavity.
[0011] Furthermore, a support assembly is provided at one end of the first reinforcement member close to the ground, and the support assembly is arranged on the side of the first reinforcement member facing away from the first protective member. The support assembly includes a second slide groove and a plug plate, the second slide groove is fixedly provided on the side of the first reinforcement member, the plug plate is slidably connected to the second slide groove, and a plug-in portion is provided on the side of the plug plate close to the ground, and the plug plate is suitable for being plugged into the ground through the plug-in portion.
[0012] Furthermore, the support assembly also includes a second slider and a support rod, the second slider is arranged on two side surfaces of the plug plate parallel to the second slide groove, the plug plate is slidably connected to the second slide groove through the second slider, the end of the support rod away from the ground is rotatably connected to the second slider, and the other end of the support rod is in contact with the ground.
[0013] Furthermore, the fixing assembly also includes a third rod and a fourth rod arranged in the main body, the fixed side of the first protective member is fixedly arranged on the outer circumference of the third rod, the fixed side of the second protective member is fixedly connected to the fourth rod, the third rod is rotatably arranged in the main body, and the third rod is suitable for rotating under external force so that the first protective member and the second protective member are wound around the outer circumference of the third rod.
[0014] Furthermore, a top plate is provided at the ends of the second rod body and the fourth rod body away from the first rod body and the third rod body, the diameter of the top plate is larger than the diameter of the first rod body and the third rod body, and the two sides of the second protective member are respectively fixedly connected to the outer peripheral surface of the top plate so that the second protective member and the first protective member are staggered.
[0015] Furthermore, a sliding notch is provided on the side of the first rod body, and slide rails are provided on both sides of the sliding notch parallel to the gravity direction. A first sliding block is provided on the first rod body, and the first sliding block is arranged in the sliding notch and is slidably connected to the sliding rails.
[0016] Furthermore, a limiting structure is provided at one end of the first reinforcing member close to the second reinforcing member, the limiting structure includes a tension bolt, the second reinforcing member is provided with a long hole, and the tension bolt passes through the first reinforcing member and the long hole.
[0017] Furthermore, the slide rail has a first slide groove, a bolt passes through the first slider and the first slide grooves on both sides, the first slider is slidably connected to the first slide groove through the bolt, a nut is provided on the bolt, and the bolt and the nut cooperate to limit the first slider.
[0018] The utility model has the following advantages:
[0019] The utility model discloses a protection device, in which a protection structure is stored in a cavity within a main body, an opening is provided on a side of the main body, one side of the protection structure can extend out of the main body through the opening, and can be extended so that the protection structure can protect the construction site, the extended side of the protection structure has a fixed structure, and the extended side can be fixed by the fixed structure. The protection device of the present application is convenient for adjusting the extended length of the protection structure to meet the requirements of the construction site, and at the same time, after use, the protection structure can be retracted into the main body for next use, thereby avoiding disposal methods such as discarding and avoiding waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 A schematic diagram of a protective device in an embodiment of the utility model;
[0022] Figure 2 A top view of the protective device in the embodiment of the utility model;
[0023] Figure 3 It is a schematic diagram of a reinforcement component in an embodiment of the utility model;
[0024] Figure 4 It is a partial side view of the reinforcement assembly in the embodiment of the utility model;
[0025] Figure 5 A schematic diagram of a support assembly in an embodiment of the utility model;
[0026] Figure 6 It is a schematic diagram of a fixing component in an embodiment of the utility model;
[0027] Figure 7 It is an enlarged view of the first sliding block in the fixing assembly in the embodiment of the utility model;
[0028] Description of reference numerals:
[0029] 1. Main body; 2. First rod body; 3. Second rod body; 4. First protective member; 5. Second protective member; 6. First reinforcement member; 7. Second reinforcement member; 8. Protective member extension port; 9. Second slide groove; 10. Insert plate; 11. Insertion part; 12. Second slider; 13. Support rod; 14. Third rod body; 15. Fourth rod body; 16. Top plate; 17. Sliding notch; 18. Slide rail; 19. First slider; 20. Tension bolt; 21. Long hole; 22. First slide groove; 23. Bolt; 24. Nut; 25. Hanger; 26. Slide frame. DETAILED DESCRIPTION
[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0034] like Figures 1 to 7 As shown, this embodiment discloses a protective structure, including: a main body 1 and a fixing component. At least one opening is arranged on the circumference of the main body 1, a cavity is constructed inside the main body 1, the opening is connected to the cavity, a protective structure is arranged in the cavity, one side of the protective structure is fixedly arranged in the cavity, and the side of the protective structure opposite to the fixed side is an extension side, and the extension side is suitable for extending and extending from the opening under the drive of an external force. The fixing component is arranged on the extension side, the fixing component is parallel to the direction of gravity, and one end of the fixing component is fixedly connected to the ground to fix the protective structure.
[0035] Specifically, the main body 1 is a box structure, at least one circumferential side of the main body 1 has an opening, and the main body 1 has a cavity. The protective structure is arranged in the cavity. In the present embodiment, the protective structure is a flexible structure, and the protective structure can be rolled and folded and arranged in the cavity. One side of the protective structure is fixedly arranged in the cavity, and the other side of the protective structure is an extension side. The extension side of the protective structure extends out of the cavity through the opening and extends. Under the drive of an external force, the extension side can be driven to extend. The fixing component is parallel to the direction of gravity, and the fixing component is arranged on the extension side. The fixing component can be inserted into the ground to fix the extension side, and the extension length of the extension side can be controlled according to the required length.
[0036] Preferably, Figure 2 As shown, in this embodiment, the left and right sides of the main body 1 are provided with openings. In other optional embodiments, adjacent sides of the main body 1 may have openings or all peripheral sides of the main body 1 may have openings.
[0037] Preferably, in this embodiment, the protective structure is a protective net.
[0038] Furthermore, the fixing assembly includes a first rod body 2 and a second rod body 3, a first sliding cavity is constructed in the first rod body 2, the second rod body 3 is movably arranged in the first sliding cavity, and the second rod body 3 can move relatively along the direction of gravity, and the protective structure includes a first protective member 4 and a second protective member 5, the extended side of the first protective member 4 is fixedly connected to the first rod body 2, the second protective member 5 is fixedly connected to the second rod body 3, and the first protective member 4 and the second protective member 5 are parallel to each other and staggered.
[0039] Specifically, Figure 1 and Figure 6 As shown, the first rod body 2 has a first sliding cavity, the second rod body 3 is slidably arranged in the first sliding cavity, the extended side of the first protective member 4 is fixedly connected to the circumference of the first rod body 2, the extended side of the second protective member 5 is connected to the second rod body 3, the second protective member 5 is parallel and staggered with the first protective member 4, so that the second protective member 5 can be conveniently raised and lowered with the second rod body 3, and the second rod body 3 can be raised and lowered by sliding the second rod body 3, so that the overall height of the protective structure can be adjusted.
[0040] Preferably, one end of the first rod body 2 facing the ground has an inverted cone structure, and the first rod body 2 can be inserted into the ground through the inverted cone structure, thereby fixing the protective structure.
[0041] Furthermore, in this embodiment, the fixing assembly also includes a third rod body 14 and a fourth rod body 15 arranged in the main body 1, the fixed side of the first protective member 4 is fixedly arranged on the outer peripheral surface of the third rod body 14, the fixed side of the second protective member 5 is fixedly connected to the fourth rod body 15, and the third rod body 14 is rotatably arranged in the main body 1, and the third rod body 14 is suitable for rotating under external force so that the first protective member 4 and the second protective member 5 are wound around the outer peripheral surface of the third rod body 14.
[0042] Specifically, the third rod 14 has the same structure as the first rod 2, the fourth rod 15 has the same structure as the second rod 3, the fourth rod 15 is slidably disposed in the third rod 14, the third rod 14 is rotatably disposed in the cavity, and the fourth rod 15 can be raised and lowered along with the second rod 3. When the protective structure needs to be retracted, the second rod 3 and the fourth rod 15 are first retracted to the first rod 2 and the third rod 14, and then the third rod 14 is driven to rotate, and the first protective member 4 and the second protective member 5 can be wound around the outer circumference of the third rod 14. In other embodiments, the first protective member 4 and the second protective member 5 can also be folded and retracted into the cavity. Preferably, a motor connected to the third rod 14 can be disposed in the cavity, and the motor can drive the third rod 14 to rotate.
[0043] Furthermore, a sliding notch 17 is provided on the side of the first rod body 2 , and slide rails 18 are provided on both sides of the sliding notch 17 parallel to the gravity direction. A first slider 19 is provided on the first rod body 2 , and the first slider 19 is arranged in the sliding notch 17 and is slidably connected to the slide rail 18 .
[0044] Furthermore, the slide rail 18 has a first slide groove 22, and the bolt 23 passes through the first slider 19 and the first slide grooves 22 on both sides. The first slider 19 is slidably connected to the first slide groove 22 through the bolt 23. A nut 24 is provided on the bolt 23, and the bolt 23 and the nut 24 cooperate to limit the first slider 19.
[0045] Specifically, Figure 6 and Figure 7As shown, a sliding notch 17 is provided on the outer circumferential surface of the first rod body 2, and the sliding notch 17 is communicated with the first sliding cavity. Slide rails 18 are provided on both sides of the sliding notch 17 parallel to the gravity direction, and the slide rails 18 have a first slide groove 22. A first slider 19 is provided at the lower end of the second rod body 3, and the first slider 19 is arranged in the sliding notch 17. A bolt 23 passes through the first slider 19 and the first slide grooves 22 on both sides of the first slider 19, so that the first slider 19 is slidably connected with the first slide grooves 22 on both sides, so that the second rod body 3 is slidably connected with the first rod body 2, and a nut 24 is provided on the bolt 23. Tightening the nut 24 can limit the first slider 19, thereby fixing the position of the second rod body 3 and the height of the second protective member 5.
[0046] Preferably, in this embodiment, the third rod body 14 has the same structure as the first rod body 2 , and the fourth rod body 15 has the same structure as the second rod body 3 .
[0047] Further, the ends of the second rod body 3 and the fourth rod body 15 away from the first rod body 2 and the third rod body 14 are provided with a top plate 16, the diameter of the top plate 16 is larger than the diameter of the first rod body 2 and the third rod body 14, and the two sides of the second protective member 5 are respectively fixedly connected to the outer circumference of the top plate 16 so that the second protective member 5 and the first protective member 4 are staggered. The first protective member 4 is fixedly connected to the side of the first rod body 2, and the second protective member 5 is fixedly connected to the outer circumference of the top plate 16. Since the diameter of the top plate 16 is larger than the diameter of the first rod body 2 and the third rod body 14, there is a gap between the second protective member 5 and the first protective member 4, and they are staggered and parallel.
[0048] Furthermore, it also includes: at least one reinforcement component, the reinforcement component includes a first reinforcement 6 and a second reinforcement 7 parallel to the fixing component, the first reinforcement 6 and the second reinforcement 7 are respectively arranged on the back sides of the first protective member 4 and the second protective member 5, the two ends of the first reinforcement 6 are respectively fixedly connected to the two sides of the first protective member 4, the two ends of the second reinforcement 7 are respectively fixedly connected to the two sides of the second protective member 5, the first reinforcement 6 is constructed with a second sliding cavity, the second reinforcement 7 is movably arranged in the second sliding cavity, and the two sides of the first reinforcement 6 have protective member extension ports 8 connected to the second sliding cavity.
[0049] Specifically, Figure 1 and Figure 3As shown, the side of the first guard 4 and the second guard 5 facing the construction site is the back side, the first reinforcement 6 is arranged on the back side of the first guard 4, the second reinforcement 7 is arranged on the back side of the second guard 5, the first reinforcement 6 is constructed with a second sliding cavity, the first guard 4 is slidably arranged in the second sliding cavity, and the first reinforcement 6 has guard extension openings 8 on both sides to facilitate the second reinforcement 7 to drive the second guard 5 to rise and fall, the upper and lower ends of the first reinforcement 6 and the second reinforcement 7 are provided with hangers 25, the protective structure is a protective net, the protective net has holes, the protective net is hung on the hanger 25 through the holes to connect with the first reinforcement 6 and the second reinforcement 7, and the lower side of the first reinforcement 6 is also provided with a clamp (not shown), which can clamp the lower side of the first guard 4. The first reinforcement 6 and the second reinforcement 7 can improve the strength of the protective net. Preferably, as Figure 1 As shown, in this embodiment, five reinforcement components are provided on each side of the protective structure, and adjacent reinforcement components are arranged at intervals. In other optional embodiments, six or seven reinforcement components or other numbers may be provided on each side of the protective structure, and the number of reinforcement components may be set according to the extension length of the protective structure. When the protective structure is retracted into the main body 1, the reinforcement components may be disassembled or retracted into the main body 1 along with the protective structure.
[0050] Furthermore, a limiting structure is provided at one end of the first reinforcement member 6 close to the second reinforcement member 7 , the limiting structure includes a tension bolt 20 , the second reinforcement member 7 is provided with a long hole 21 , and the tension bolt 20 passes through the first reinforcement member 6 and the long hole 21 .
[0051] Specifically, Figure 4 As shown, the second reinforcement member 7 is provided with a long hole 21, and the tension bolt 20 penetrates the first reinforcement member 6 and the long hole 21, so that the tension bolt 20 can move relatively along the guide direction of the long hole 21. When the second reinforcement member 7 moves to a proper position, the tension bolt 20 can be tightened to fix the second reinforcement member 7. Preferably, a clamping frame (not shown) is also provided on the first reinforcement member 6, and the clamping frame is sleeved on the first reinforcement member 6. The tension bolt 20 penetrates the clamping frame sleeve and then penetrates the long hole 21. The clamping frame sleeve can protect the end face of the first reinforcement member 6 to prevent deformation and cracking.
[0052] Furthermore, a support assembly is provided at one end of the first reinforcement 6 close to the ground. The support assembly is arranged on the side of the first reinforcement 6 facing away from the first protective member 4. The support assembly includes a second slide groove 9 and a plug plate 10. The second slide groove 9 is fixedly arranged on the side of the first reinforcement 6. The plug plate 10 is slidably connected to the second slide groove 9. A plug-in portion 11 is provided on the side of the plug plate 10 close to the ground. The plug plate 10 is suitable for being plugged into the ground through the plug-in portion 11.
[0053] Furthermore, the support assembly also includes a second slider 12 and a support rod 13. The second slider 12 is arranged on two side surfaces parallel to the plug plate 10 and the second slide groove 9. The plug plate 10 is slidably connected to the second slide groove 9 through the second slider 12. The end of the support rod 13 away from the ground is rotatably connected to the second slider 12, and the other end of the support rod 13 is in contact with the ground.
[0054] Specifically, Figure 5 As shown, a support assembly is provided at one end of the first reinforcement 6 close to the ground, and the support assembly includes a second slide groove 9 and a plug plate 10. A pair of opposite and spaced second slide grooves 9 are fixedly provided on the side of the first reinforcement 6, and the plug plate 10 is provided between the pair of second slide grooves 9. A second slider 12 is provided on the side of the plug plate 10 facing the second slide groove 9, and the second slider 12 is slidably connected to the second slide groove 9. A plug-in portion 11 is provided on the side of the plug plate 10 close to the ground, and the plug-in portion 11 is an inverted cone structure. One end of the support rod 13 is rotatably connected to the second slider 12, driving the plug plate 10 to slide, so that the plug-in portion 11 is inserted into the ground, and then the support rod 13 is rotated so that the other end of the support rod 13 abuts against the ground, so that the support rod 13 obliquely supports the first reinforcement 6 to prevent the first reinforcement 6 from tipping over.
[0055] Further, such as Figure 5 As shown, a slide frame 26 is further provided between the pair of second slide grooves 9 , and the slide frame 26 can guide and limit the plug board 10 .
[0056] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.
Claims
1. A protective device, characterized in that: include: A main body (1) is provided with at least one opening on its circumferential side, a cavity is constructed inside the main body (1), the opening is communicated with the cavity, a protective structure is provided inside the cavity, one side of the protective structure is fixedly provided inside the cavity, a side of the protective structure opposite to the fixed side is an extension side, and the extension side is suitable for extending and stretching out from the opening under the drive of an external force; A fixing component is arranged on the extending side, the fixing component is parallel to the gravity direction, and one end of the fixing component is fixedly connected to the ground to fix the protective structure.
2. The protective device according to claim 1, characterized in that: The fixing assembly comprises a first rod body (2) and a second rod body (3); a first sliding cavity is constructed in the first rod body (2); the second rod body (3) is movably arranged in the first sliding cavity; the second rod body (3) can move relatively along the gravity direction; the protective structure comprises a first protective member (4) and a second protective member (5); an extended side of the first protective member (4) is fixedly connected to the first rod body (2); the second protective member (5) is fixedly connected to the second rod body (3); the first protective member (4) and the second protective member (5) are parallel to each other and are arranged alternately.
3. The protective device according to claim 2, characterized in that: Also includes: At least one reinforcing component, the reinforcing component comprising a first reinforcing member (6) and a second reinforcing member (7) parallel to the fixing component, the first reinforcing member (6) and the second reinforcing member (7) being respectively arranged on the back sides of the first protective member (4) and the second protective member (5), the two ends of the first reinforcing member (6) being respectively fixedly connected to the two sides of the first protective member (4), the two ends of the second reinforcing member (7) being respectively fixedly connected to the two sides of the second protective member (5), the first reinforcing member (6) being constructed with a second sliding cavity, the second reinforcing member (7) being movably arranged in the second sliding cavity, and the two sides of the first reinforcing member (6) having protective member extension openings (8) communicating with the second sliding cavity.
4. The protective device according to claim 3, characterized in that: A support assembly is provided at one end of the first reinforcement member (6) close to the ground, and the support assembly is arranged on the side of the first reinforcement member (6) away from the first protective member (4). The support assembly includes a second slide groove (9) and a plug plate (10). The second slide groove (9) is fixedly arranged on the side of the first reinforcement member (6), and the plug plate (10) is slidably connected to the second slide groove (9). A plug-in portion (11) is provided on the side of the plug plate (10) close to the ground, and the plug plate (10) is suitable for plugging with the ground through the plug-in portion (11).
5. The protective device according to claim 4, characterized in that: The support assembly further comprises a second slider (12) and a support rod (13); the second slider (12) is arranged on two side surfaces of the plug plate (10) parallel to the second slide groove (9); the plug plate (10) is slidably connected to the second slide groove (9) via the second slider (12); one end of the support rod (13) away from the ground is rotatably connected to the second slider (12), and the other end of the support rod (13) is in contact with the ground.
6. The protective device according to claim 2, characterized in that: The fixing assembly further comprises a third rod (14) and a fourth rod (15) arranged in the main body (1); the fixing side of the first protective member (4) is fixedly arranged on the outer peripheral surface of the third rod (14); the fixing side of the second protective member (5) is fixedly connected to the fourth rod (15); the third rod (14) is rotatably arranged in the main body (1); the third rod (14) is suitable for rotating under the driving force of an external force so that the first protective member (4) and the second protective member (5) are wound around the outer peripheral surface of the third rod (14).
7. The protective device according to claim 6, characterized in that: A top plate (16) is provided at the end of the second rod body (3) and the fourth rod body (15) away from the first rod body (2) and the third rod body (14); the diameter of the top plate (16) is larger than the diameter of the first rod body (2) and the third rod body (14); and both sides of the second protective member (5) are respectively fixedly connected to the outer peripheral surface of the top plate (16) so that the second protective member (5) and the first protective member (4) are arranged alternately.
8. The protection device according to any one of claims 2 to 7, characterized in that: A sliding notch (17) is provided on the side of the first rod body (2), and slide rails (18) are provided on both sides of the sliding notch (17) parallel to the gravity direction. A first sliding block (19) is provided on the first rod body (2), and the first sliding block (19) is arranged in the sliding notch (17) and is slidably connected to the sliding rails (18).
9. The protection device according to any one of claims 3 to 5, characterized in that: A limiting structure is provided at one end of the first reinforcing member (6) close to the second reinforcing member (7), and the limiting structure includes a tension bolt (20). The second reinforcing member (7) is provided with a long hole (21), and the tension bolt (20) passes through the first reinforcing member (6) and the long hole (21).
10. The protective device according to claim 8, characterized in that: The slide rail (18) has a first slide groove (22), a bolt (23) passes through the first slider (19) and the first slide grooves (22) on both sides, the first slider (19) is slidably connected to the first slide groove (22) through the bolt (23), a nut (24) is provided on the bolt (23), and the bolt (23) and the nut (24) cooperate to limit the first slider (19).