Protective device for building engineering construction

By designing a protective device for construction that can be expanded and folded, the problem of inconvenience in mobile transportation of existing devices is solved, and effective protection of elevator shafts is achieved.

CN222686215UActive Publication Date: 2025-03-28HEBEI XIONGAN YIHUI CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421347581.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-03-28
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing protective devices for construction projects are fixed in structure, large in size, and inconvenient in mobile transportation, making it difficult to effectively prevent construction personnel from entering the elevator shaft.

Method used

A protective device including a base plate, a top plate, a rotating table and a support rod is designed, which can be easily expanded and folded through sliding connections and threaded structures, fixed to the elevator wellhead, and strengthened by a wire mesh and a barrier.

Benefits of technology

It realizes convenient transportation and rapid installation of protective devices, enhances protection of elevator shafts, and effectively prevents construction personnel from falling into it.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222686215U_ABST
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Abstract

The utility model discloses a protective device for constructional engineering construction, and relates to the technical field of constructional engineering construction, the protective device for constructional engineering construction comprises a bottom plate, a top plate is placed above the bottom plate, the protective device for constructional engineering construction is provided with the top plate, the bottom plate and a supporting column, the top plate and the bottom plate are unfolded, then the supporting column is taken out from the interior of a first storage box, and the supporting column is stored in the first storage box. The telescopic columns are inserted into the two first fixing sleeves which correspond to each other up and down, then one ends of first screws are screwed into second threaded grooves, then the device is erected, then the device is fixed in front of an elevator shaft opening by using the screws through the mounting blocks and the fixing blocks, and then the telescopic columns are taken out from the interior of the first storage box; when the device is used, two connecting columns in a telescopic column are pulled out and inserted into two inserting holes which correspond to each other up and down, then one end of a second screw is screwed into a fourth threaded groove, and when the device is not used, the device can be folded, so that the device is convenient to carry and transport.
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Description

Technical Field

[0001] The utility model relates to the technical field of building engineering construction, in particular to a protective device for building engineering construction. Background Art

[0002] The elevator shaft is the passage for installing the elevator, and a hole is reserved next to it for installing the elevator door. During the construction process, the elevator shaft needs to be blocked by a guardrail to prevent people or other objects from falling into the elevator shaft. However, the existing guardrails are generally a structure of racks and railings, which are fixed in structure and large in size, making them inconvenient to move and transport. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a protective device for construction engineering, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a protective device for construction engineering, including a bottom plate, a top plate is placed above the bottom plate, the upper surface of the bottom plate is slidably connected to a first rotating platform, the upper surface of the bottom plate and located on the right side of the first rotating platform is slidably connected to a second rotating platform, the lower surface of the top plate is slidably connected to a third rotating platform, the lower surface of the top plate and located on one side of the third rotating platform is slidably connected to a fourth rotating platform, the third rotating platform is rotatably connected to a first support rod inside, and the other end of the first support rod is rotatably connected to the middle of the second rotating platform The second support rod is rotatably connected to the inside of the fourth rotating table, and one end of the second support rod is rotatably connected to the middle part of the first rotating table. The first fixing sleeves are fixedly connected to both sides of the top plate and the bottom plate, and support columns are inserted into two adjacent first fixing sleeves. A first thread groove is opened on one side of the first fixing sleeve, and a first screw is threadedly connected to the inside of the first thread groove. A second thread groove is opened inside the first fixing sleeve and at one end of the first screw, and one end of the first screw passes through the support column and extends to the inside of the second thread groove and is threadedly connected to the inside of the second thread groove.

[0005] Optionally, a slide groove is provided inside the bottom plate and the top plate and at one end of the first rotating table, the second rotating table, the top plate and the third rotating table, and a slider is slidably connected inside the slide groove, and the first rotating table, the second rotating table, the top plate and the third rotating table are fixedly connected to one end of the corresponding slider.

[0006] Optionally, a winding cavity is opened inside the bottom plate and at one end of the slide groove, a winding roller is rotatably connected to one side of the inner cavity of the winding cavity, a blocking cloth is wrapped around the outer side of the winding roller, one end of the blocking cloth extends to the top of the bottom plate and is fixedly connected to the bottom of the top plate, a first spring is installed on the other side of the inner cavity of the winding cavity, and one end of the winding roller is connected to the first spring.

[0007] Optionally, a plurality of insertion holes are provided at the top of the bottom plate and the bottom of the top plate and on both sides of the cloth, connecting columns are inserted into the insertion holes, and telescopic columns are slidably connected to the outer sides of two upper and lower corresponding connecting columns, a third thread groove is provided on the outer side of the bottom plate and on one side of the insertion hole, a second screw is threadedly connected to the inside of the third thread groove, a fourth thread groove is provided inside the bottom plate and on the other side of the insertion hole, one end of the second screw passes through the connecting column and extends into the fourth thread groove and is threadedly connected to the inside of the fourth thread groove.

[0008] Optionally, a winding groove is opened inside the bottom plate and at the front end of the cloth barrier, a winding roller is rotatably connected to one side of the inner cavity of the winding groove, a steel mesh is wound around the outer side of the winding roller, one end of the steel mesh extends to the top of the bottom plate and is fixedly connected to the bottom of the top plate, a second spring is installed on the other side of the inner cavity of the winding groove, and one end of the winding roller is connected to the second spring.

[0009] Optionally, a first storage box is fixedly connected to the bottom of the base plate, two fixed blocks are fixedly connected to one side of the first storage box, a second storage box is fixedly connected to the top of the top plate, mounting blocks are fixedly connected to both sides of the second storage box, and a threaded block is fixedly connected to one side of the first fixed sleeve.

[0010] The utility model provides a protective device for construction engineering, which has the following beneficial effects:

[0011] 1. The protective device for construction engineering is provided with a top plate, a bottom plate and a support column. The device is carried to the elevator shaft, and then the top plate and the bottom plate are pulled apart, so that the third rotating platform, the fourth rotating platform, the first rotating platform and the second rotating platform are moved, so that the top plate and the bottom plate are unfolded, and then the support column is taken out from the inside of the first storage box, and it is inserted into the two first fixing sleeves corresponding to the upper and lower parts, and then one end of the first screw is screwed into the second threaded groove, and then the device is erected, and then the device is fixed in front of the elevator shaft by using screws through the mounting block and the fixing block, and then the telescopic column is taken out from the inside of the first storage box, the two connecting columns inside the telescopic column are pulled out and inserted into the two corresponding jacks in the upper and lower parts, and then one end of the second screw is screwed into the fourth threaded groove. When the bottom plate and the top plate are unfolded, the top plate moves, so that the wire mesh is pulled out from the outside of the winding roller, and the blocking cloth is pulled out from the outside of the winding roller. When not in use, the device can be folded to facilitate the carrying and transportation of the device.

[0012] 2. The protective device for construction engineering is provided with a winding roller, a wire mesh and a connecting column. The two connecting columns inside the telescopic column are pulled out and inserted into the two corresponding upper and lower sockets, and then one end of the second screw is screwed into the fourth threaded groove. When the bottom plate and the top plate are unfolded, the top plate moves, so that the wire mesh is pulled out from the outside of the winding roller, and the retaining cloth is pulled out from the outside of the winding roller. The protectiveness of the device is enhanced by the connecting column and the wire mesh to prevent construction personnel from entering the elevator shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model from the side;

[0015] Figure 3 This is a schematic diagram of the internal structure of the winding chamber of the utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the winding groove of the utility model;

[0017] Figure 5 For this utility model Figure 1 A magnified image of point A;

[0018] Figure 6 For this utility model Figure 2 Enlarged view of point B.

[0019] In the figure: 1. bottom plate; 2. first rotating platform; 3. second rotating platform; 4. top plate; 5. third rotating platform; 6. fourth rotating platform; 7. first support rod; 8. second support rod; 9. first fixed sleeve; 10. support column; 11. first thread groove; 12. second thread groove; 13. first screw; 14. slide groove; 15. slider; 16. winding chamber; 17. winding roller; 18. cloth stop; 19. first spring; 20. telescopic column; 21. connecting column; 22. third thread groove; 23. second screw; 24. fourth thread groove; 25. jack; 26. winding groove; 27. winding roller; 28. wire mesh; 29. ​​second spring; 30. first storage box; 31. second storage box; 32. mounting block; 33. fixing block; 34. thread block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Embodiment 1

[0022] See also Figures 1 to 6 The utility model provides a technical solution: a protective device for construction engineering, comprising a bottom plate 1, a top plate 4 is placed above the bottom plate 1, a first rotating platform 2 is slidably connected to the upper surface of the bottom plate 1, a second rotating platform 3 is slidably connected to the upper surface of the bottom plate 1 and located on the right side of the first rotating platform 2, a third rotating platform 5 is slidably connected to the lower surface of the top plate 4, a fourth rotating platform 6 is slidably connected to the lower surface of the top plate 4 and located on one side of the third rotating platform 5, a first support rod 7 is rotatably connected inside the third rotating platform 5, the other end of the first support rod 7 is rotatably connected to the middle part of the second rotating platform 3, and the fourth rotating platform 6 is rotatably connected inside A second support rod 8 is rotatably connected thereto, one end of the second support rod 8 is rotatably connected to the middle part of the first rotating table 2, first fixing sleeves 9 are fixedly connected to both sides of the top plate 4 and the bottom plate 1, and support columns 10 are inserted into two adjacent first fixing sleeves 9, a first thread groove 11 is provided on one side of the first fixing sleeve 9, a first screw 13 is threadedly connected to the inside of the first thread groove 11, a second thread groove 12 is provided inside the first fixing sleeve 9 and at one end of the first screw 13, one end of the first screw 13 passes through the support column 10 and extends to the inside of the second thread groove 12 and is threadedly connected to the inside of the second thread groove 12.

[0023] A slide groove 14 is provided inside the bottom plate 1 and the top plate 4 and at one end of the first rotating platform 2, the second rotating platform 3, the top plate 4 and the third rotating platform 5. A slider 15 is slidably connected inside the slide groove 14. The first rotating platform 2, the second rotating platform 3, the top plate 4 and the third rotating platform 5 are fixedly connected to one end of the corresponding slider 15, so that when the first rotating platform 2, the second rotating platform 3, the top plate 4 and the third rotating platform 5 move, the slider 15 can be driven to slide along the inside of the slide groove 14, and the first rotating platform 2, the second rotating platform 3, the top plate 4 and the third rotating platform 5 can be controlled by the slider 15 and the slide groove 14. 3. The positions of the top plate 4 and the third rotating platform 5 are limited. A winding chamber 16 is opened inside the bottom plate 1 and at one end of the slide groove 14. A winding roller 17 is rotatably connected to one side of the inner cavity of the winding chamber 16. A blocking cloth 18 is wound around the outer side of the winding roller 17. One end of the blocking cloth 18 extends to the top of the bottom plate 1 and is fixedly connected to the bottom of the top plate 4. A first spring 19 is installed on the other side of the inner cavity of the winding chamber 16. One end of the winding roller 17 is connected to the first spring 19. The blocking cloth 18 can be rolled up by the winding roller 17. The top of the bottom plate 1 is connected to the top A plurality of insertion holes 25 are provided at the bottom of the plate 4 and on both sides of the cloth blocking 18, and connecting columns 21 are inserted inside the insertion holes 25, and the outer sides of the two upper and lower corresponding connecting columns 21 are slidably connected with telescopic columns 20, and a third thread groove 22 is provided on the outer side of the bottom plate 1 and on one side of the insertion hole 25, and a second screw 23 is threadedly connected inside the third thread groove 22, and a fourth thread groove 24 is provided inside the bottom plate 1 and on the other side of the insertion hole 25, and one end of the second screw 23 passes through the connecting column 21 and extends to the inside of the fourth thread groove 24 and is connected to the fourth thread groove 2 4 is connected with the internal thread of the bottom plate 1, and the position of the connecting column 21 can be limited by the second screw 23. A winding groove 26 is opened inside the bottom plate 1 and at the front end of the blocking cloth 18. A winding roller 27 is rotatably connected to one side of the inner cavity of the winding groove 26. A steel mesh 28 is wound around the outer side of the winding roller 27. One end of the steel mesh 28 extends to the top of the bottom plate 1 and is fixedly connected to the bottom of the top plate 4. A second spring 29 is installed on the other side of the inner cavity of the winding groove 26. One end of the winding roller 27 is connected to the second spring 29. The steel mesh 28 can be rolled up by the winding roller 27.

[0024] Embodiment 2

[0025] See also Figure 1 and Figure 5 The utility model provides a technical solution: a first storage box 30 is fixedly connected to the bottom of the bottom plate 1, two fixing blocks 33 are fixedly connected to one side of the first storage box 30, a second storage box 31 is fixedly connected to the top of the top plate 4, mounting blocks 32 are fixedly connected to both sides of the second storage box 31, and a threaded block 34 is fixedly connected to one side of the first fixing sleeve 9, so that the device can be installed at the elevator shaft opening to protect the elevator shaft opening.

[0026] In summary, when using the protective device for construction engineering, the device is carried to the elevator shaft, and then the top plate 4 and the bottom plate 1 are pulled apart, so that the third rotating table 5, the fourth rotating table 6, the first rotating table 2 and the second rotating table 3 are moved, so that the top plate 4 and the bottom plate 1 are unfolded, and then the support column 10 is taken out from the inside of the first storage box 30, and it is inserted into the two first fixing sleeves 9 corresponding to the upper and lower parts, and then one end of the first screw 13 is screwed into the second threaded groove 12, and then the device is erected, and then the screw is used through the mounting block 32 to The device is fixed in front of the elevator shaft by using screws through the fixing block 33, and then the telescopic column 20 is taken out from the first storage box 30, and the two connecting columns 21 inside the telescopic column 20 are pulled out and inserted into the two corresponding upper and lower plug holes 25, and then one end of the second screw 23 is screwed into the fourth thread groove 24. When the bottom plate 1 and the top plate 4 are unfolded, the top plate 4 moves, so that the wire mesh 28 is pulled out from the outside of the winding roller 27, and the blocking cloth 18 is pulled out from the outside of the winding roller 17, so as to protect the elevator shaft and prevent construction personnel from falling into the elevator shaft. When disassembly is required, one end of the second screw 23 is screwed out of the connecting column 21, and the connecting column 21 is pushed into the telescopic column 20. Then, the connecting column 21 and the telescopic column 20 can be placed into the first storage box 30 and the second storage box 31. Then, the screws fixed in the building are taken out, and then the device is laid down. Then, the operator screws one end of the first screw 13 out of the supporting column 10, and then the supporting column 10 can be taken out from the two first fixing sleeves 9. Then, the top plate 4 is pushed to reset and move, so that the third rotating table 5 and the second rotating table 30 are moved. The four rotating tables 6, the first rotating table 2 and the second rotating table 3 are reset and moved, so that the first support rod 7 and the second support rod 8 are reset and rotated. At this time, the first spring 19 drives the winding roller 17 to reset and rotate, so that the winding roller 17 rewinds the cloth 18. The second spring 29 drives the winding roller 27 to reset and rotate, so that the winding roller 27 rewinds the wire mesh 28. Then, the upper and lower adjacent threaded blocks 34 are fixed by using fixing screws, thereby fixing the top plate 4 and the bottom plate 1, and placing the support column 10 inside the first storage box 30.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A protective device for construction engineering, comprising a base plate (1), characterized in that: A top plate (4) is placed above the bottom plate (1); the top surface of the bottom plate (1) is slidably connected to a first rotating platform (2); the top surface of the bottom plate (1) is slidably connected to a second rotating platform (3) located on the right side of the first rotating platform (2); the bottom surface of the top plate (4) is slidably connected to a third rotating platform (5); the bottom surface of the top plate (4) is slidably connected to a fourth rotating platform (6) located on one side of the third rotating platform (5); the third rotating platform (5) is internally rotatably connected to a first support rod (7); the other end of the first support rod (7) is rotatably connected to the middle of the second rotating platform (3); the fourth rotating platform (6) is internally rotatably connected to a second support rod (8); the second One end of the support rod (8) is rotatably connected to the middle of the first rotating platform (2); first fixing sleeves (9) are fixedly connected to both sides of the top plate (4) and the bottom plate (1); and support columns (10) are inserted into two adjacent first fixing sleeves (9); a first thread groove (11) is provided on one side of the first fixing sleeve (9); a first screw (13) is threadedly connected to the inside of the first thread groove (11); a second thread groove (12) is provided inside the first fixing sleeve (9) and at one end of the first screw (13); one end of the first screw (13) passes through the support column (10) and extends into the inside of the second thread groove (12) and is threadedly connected to the inside of the second thread groove (12).

2. A protective device for construction engineering according to claim 1, characterized in that: Slide grooves (14) are provided inside the bottom plate (1) and the top plate (4) and at one end of the first rotating platform (2), the second rotating platform (3), the top plate (4) and the third rotating platform (5). Slide blocks (15) are slidably connected inside the slide grooves (14). The first rotating platform (2), the second rotating platform (3), the top plate (4) and the third rotating platform (5) are fixedly connected to one end of the corresponding slide blocks (15).

3. A protective device for construction engineering according to claim 1, characterized in that: A winding chamber (16) is provided inside the bottom plate (1) and at one end of the slide groove (14); a winding roller (17) is rotatably connected to one side of the inner cavity of the winding chamber (16); a blocking cloth (18) is wound around the outer side of the winding roller (17); one end of the blocking cloth (18) extends above the bottom plate (1) and is fixedly connected to the bottom of the top plate (4); a first spring (19) is installed on the other side of the inner cavity of the winding chamber (16); and one end of the winding roller (17) is connected to the first spring (19).

4. A protective device for construction engineering according to claim 1, characterized in that: A plurality of insertion holes (25) are provided at the top of the bottom plate (1) and the bottom of the top plate (4) and on both sides of the blocking cloth (18), a connecting column (21) is inserted into each of the insertion holes (25), and a telescopic column (20) is slidably connected to the outer sides of two upper and lower corresponding connecting columns (21), a third thread groove (22) is provided on the outer side of the bottom plate (1) and on one side of the insertion hole (25), a second screw (23) is threadedly connected to the inner side of the third thread groove (22), and a fourth thread groove (24) is provided inside the bottom plate (1) and on the other side of the insertion hole (25), one end of the second screw (23) passes through the connecting column (21) and extends into the inner side of the fourth thread groove (24) and is threadedly connected to the inner side of the fourth thread groove (24).

5. A protective device for construction engineering according to claim 1, characterized in that: A winding groove (26) is provided inside the bottom plate (1) and at the front end of the baffle cloth (18); a winding roller (27) is rotatably connected to one side of the inner cavity of the winding groove (26); a steel wire mesh (28) is wound around the outer side of the winding roller (27); one end of the steel wire mesh (28) extends above the bottom plate (1) and is fixedly connected to the bottom of the top plate (4); a second spring (29) is installed on the other side of the inner cavity of the winding groove (26); and one end of the winding roller (27) is connected to the second spring (29).

6. A protective device for construction engineering according to claim 1, characterized in that: The bottom of the bottom plate (1) is fixedly connected to a first storage box (30), one side of the first storage box (30) is fixedly connected to two fixing blocks (33), the top of the top plate (4) is fixedly connected to a second storage box (31), both sides of the second storage box (31) are fixedly connected to mounting blocks (32), and one side of the first fixing sleeve (9) is fixedly connected to a threaded block (34).