Building lifting protective fence and mounting method

Abstract

The invention discloses a building lifting protective fence which comprises a bottom frame, a supporting mechanism and a connecting mechanism, the supporting mechanism is installed on the bottom frame, the output end of a first servo motor is connected with a gear disc, the gear disc is meshed with a first moving part and a second moving part, and electric push rods are installed on the first moving part and the second moving part. The output end of the electric push rod is connected with an abutting plate. First supporting plates are fixedly welded to the two ends of the bottom frame, a plurality of second supporting plates are arranged between the first supporting plates, the first supporting plates and the second supporting plates are connected with extending assemblies through lifting mechanisms, and the connecting mechanisms are connected to one sides of the two first supporting plates correspondingly. According to the supporting mechanism, through arrangement of the first servo motor, the first moving part and the second moving part can be driven to move and adjust, the supporting area can be increased, through arrangement of the electric push rod, the abutting plate can be driven to move, the protective fence can be supported, and the stability of the protective fence is improved.

Description

Technical Field

[0001] The invention relates to the technical field of guardrails, in particular to a building lifting guardrail. Background Art

[0002] CN113513206B discloses a construction guardrail that is easy to lift and a method for installing the guardrail, which comprises a lifting mechanism, a support frame, a first fence, a second fence, a second guide rod, a fixed rod, a connection system, a movable mechanism, a first hook and a second hook; two fixed rods are arranged on both sides of the support frame, and a plurality of first hooks are arranged on two vertical rods of the support frame; a movable mechanism is detachably connected to the lower front of the two fixed rods; a connection system is arranged on both sides of the support frame, and a lifting mechanism for lifting the first fence is arranged at the lower side, a second fence is arranged on the back of the first fence, a second hook is arranged on the second fence, and the second fence is fixed to the first hook via the second hook.

[0003] The above-mentioned construction guardrail that is easy to lift and the installation method thereof still have disadvantages, such as: using fixed rods for support, when subjected to collision or strong winds, it cannot provide sufficient stability, there is a risk of collapse or deformation, and increases safety hazards. Summary of the invention

[0004] The object of the present invention is to provide a building lifting guardrail to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A building lifting guardrail, comprising:

[0007] A bottom frame, wherein a self-locking universal wheel is installed at the lower end of the bottom frame;

[0008] A support mechanism, the support mechanism is installed on the bottom frame, the support mechanism includes a first servo motor, a first moving member and a second moving member, the first servo motor is installed in a mounting cavity in the bottom frame, and the output end of the first servo motor is connected to a gear plate, the gear plate is meshed with the first moving member and the second moving member, and an electric push rod is installed on the first moving member and the second moving member, the output end of the electric push rod is connected to a backing plate, and rubber layers are provided at both ends of the backing plate;

[0009] First support plates are fixedly welded at both ends of the bottom frame, a plurality of second support plates are arranged between the first support plates, and the first support plates and the second support plates are connected with an extension component via a lifting mechanism;

[0010] A connecting mechanism is respectively connected to one side of the two first support plates.

[0011] Preferably, the first movable member and the second movable member both include a third support plate, a rack plate and two side plates, the two side plates are fixedly welded at both ends of the third support plate, the rack plate is fixedly welded in the middle of the third support plate, and the rack plate is meshed with both sides of the gear plate, and the bottom frame is provided with through holes for the rack plate and the side plates to pass through.

[0012] Preferably, a first limiting block is fixedly welded to the rack plate and the two side plates, and a first limiting groove for the first limiting block to move is provided at the upper end of the inner cavity of the bottom frame.

[0013] Preferably, telescopic rods are fixedly mounted on both ends of the abutment plate, and the other end of the telescopic rods is connected to the third support plate.

[0014] Preferably, the extension assembly includes two lifting rods, a plurality of connecting rods and a top plate, the two lifting rods are fixedly welded at both ends of the top plate, the plurality of connecting rods are fixedly welded on the top plate, and movable grooves are provided in the two lifting rods and the plurality of connecting rods, and threaded grooves are provided in the two lifting rods.

[0015] Preferably, the lifting mechanism includes two second servo motors and two threaded rods, the two second servo motors are installed in the installation cavity, and the output ends of the two second servo motors are connected to the threaded rods, the two threaded rods pass through the installation cavity and are connected to the threaded grooves, and one end of the threaded rods is connected to the bottom frame through a bearing.

[0016] Preferably, second limiting grooves are formed at both ends of the thread grooves in the two lifting rods, and second limiting blocks slidably connected to the second limiting grooves are fixedly welded at both ends of the two lifting rods.

[0017] Preferably, the connecting mechanism includes two groups of connecting plates and two connecting blocks, the two groups of connecting plates are fixedly welded to one side of one of the first support plates, the two connecting blocks are fixedly welded to one side of the other first support plate, and the two connecting blocks are provided with snap-fit ​​components.

[0018] Preferably, the locking assembly includes a return spring and a locking block, both ends of the connecting block are provided with mounting grooves for installing the return spring, and the other end of the return spring is connected to the locking block, one side of the mounting groove is provided with a through groove for the locking block to pass through, and the connecting plate is provided with a locking groove for the locking block to be locked and connected.

[0019] A method for installing a building lifting guardrail comprises the following steps:

[0020] S1. Adjust the lifting height: The two second servo motors rotate through the threaded rods, and the two threaded rods rotate in the threaded grooves, which can drive the two lifting rods to adjust the lifting and lowering to adjust the protection height;

[0021] S2. Connect the guardrails: Press the snap-fit ​​block, and then snap the connection block between the two connection plates. Under the action of the reset spring, the snap-fit ​​block snaps into the snap-fit ​​groove of the connection plate, and the connection block can be snap-fitted between the two connection plates to complete the connection of the two guardrails;

[0022] S3. Fix the guardrail: the first servo motor drives the third support plate to move through the two rack plates, and then the electric push rod drives the abutment plate to move. The abutment plate contacts the ground to support both sides of the guardrail, thereby improving the support stability of the guardrail.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The setting of the self-locking universal wheel makes it easy to move and transport the guardrail. The setting of the lifting mechanism and the extension component makes it easy to lift and adjust the guardrail to improve the protection effect. The setting of the connecting mechanism makes it easy to engage and connect the two guardrails to improve the connection efficiency.

[0025] 2. The first servo motor in the support mechanism can drive the first movable member and the second movable member to move and adjust, thereby increasing the support area. The electric push rod can drive the abutment plate to move. The abutment plate contacts the ground through the rubber layer, thereby supporting the guardrail and improving the stability of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention;

[0027] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0030] Figure 5 for Figure 2 Enlarged view of point C in the middle;

[0031] Figure 6 It is a schematic diagram of the cross-sectional structure of the bottom frame of the present invention.

[0032] In the figure: 1. bottom frame; 2. self-locking universal wheel; 3. first servo motor; 4. mounting cavity; 5. gear plate; 6. electric push rod; 7. abutment plate; 8. rubber layer; 9. first support plate; 10. second support plate; 11. third support plate; 12. rack plate; 13. side plate; 14. through hole; 15. first limit block; 16. first limit slot; 17. telescopic rod; 18. lifting rod; 19. connecting rod; 20. top plate; 21. moving slot; 22. threaded slot; 23. second servo motor; 24. threaded rod; 25. second limit slot; 26. second limit block; 27. connecting plate; 28. connecting block; 29. ​​reset spring; 30. engaging block; 31. mounting slot; 32. through slot; 33. engaging slot. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1:

[0035] See also Figure 1-Figure 6 , the present invention provides a technical solution:

[0036] A building lifting guardrail comprises: a bottom frame 1, a self-locking universal wheel 2 is installed at the lower end of the bottom frame 1, and the self-locking universal wheel 2 facilitates the movement of the guardrail when in use, saving moving labor;

[0037] A support mechanism, the support mechanism is installed on the bottom frame 1, and the support mechanism includes a first servo motor 3, a first moving member and a second moving member. The first servo motor 3 is installed in a mounting cavity 4 in the bottom frame 1, and the output end of the first servo motor 3 is connected to a gear plate 5, the gear plate 5 is meshed with the first moving member and the second moving member, and an electric push rod 6 is installed on the first moving member and the second moving member, and the output end of the electric push rod 6 is connected to a backing plate 7, and rubber layers 8 are provided at both ends of the backing plate 7;

[0038] Specifically, the first movable member and the second movable member each include a third support plate 11, a rack plate 12 and two side plates 13. The two side plates 13 are fixedly welded at both ends of the third support plate 11. The rack plate 12 is fixedly welded at the middle of the third support plate 11. The rack plate 12 is meshed with both sides of the gear plate 5. A through hole 14 is opened on the bottom frame 1 for the rack plate 12 and the side plates 13 to pass through.

[0039] When adjusting the support, the first servo motor 3 drives the two rack plates 12 to move in the through hole 14 through the gear plate 5, and the side plates 13 on both sides can support the two ends of the third support plate 11. Then the electric push rod 6 drives the abutment plate 7 to move, and the rubber layer 8 on the abutment plate 7 is in contact with the ground to support and reinforce the guardrail. The rubber layer 8 can improve the anti-slip effect of the abutment plate 7 and improve the support stability.

[0040] A first limiting block 15 is fixedly welded to the rack plate 12 and the two side plates 13 , and a first limiting groove 16 for the first limiting block 15 to move is provided at the upper end of the inner cavity of the bottom frame 1 .

[0041] Furthermore, telescopic rods 17 are fixedly mounted at both ends of the abutment plate 7 , and the other end of the telescopic rod 17 is connected to the third support plate 11 .

[0042] By providing the telescopic rod 17 , both ends of the third support plate 11 can be connected and supported.

[0043] The first support plates 9 are fixedly welded at both ends of the bottom frame 1, and a plurality of second support plates 10 are arranged between the first support plates 9. The first support plates 9 and the second support plates 10 are connected with an extension assembly through a lifting mechanism, and the extension assembly includes two lifting rods 18, a plurality of connecting rods 19 and a top plate 20. The two lifting rods 18 are fixedly welded at both ends of the top plate 20, and the plurality of connecting rods 19 are fixedly welded on the top plate 20. Moving grooves 21 are provided in the two lifting rods 18 and the plurality of connecting rods 19, and threaded grooves 22 are provided in the two lifting rods 18. The lifting mechanism includes two second servo motors 23 and two threaded rods 24. The two second servo motors 23 are installed in the installation cavity 4, and the output ends of the two second servo motors 23 are connected to the threaded rods 24. The two threaded rods 24 penetrate the installation cavity 4 and are connected to the threaded grooves 22, and one end of the threaded rod 24 is connected to the bottom frame 1 through a bearing;

[0044] When the protective height is adjusted by lifting, the two second servo motors 23 drive the two lifting rods 18 to move in the moving groove 21 through the threaded rods 24, thereby driving the connecting rods 19 and the top plate 20 to move, thereby completing the height adjustment of the guardrail.

[0045] The two ends of the thread groove 22 in the two lifting rods 18 are provided with second limiting grooves 25 , and the two ends of the two lifting rods 18 are fixedly welded with second limiting blocks 26 slidably connected in the second limiting grooves 25 .

[0046] When the lifting rod 18 moves in the moving groove 21 , the second limiting block 26 moves in the second limiting groove 25 , so as to limit the lifting rod 18 and prevent the lifting rod 18 from rotating out of the moving groove 21 .

[0047] The connecting mechanism is connected to one side of the two first support plates 9 respectively. The connecting mechanism includes two groups of connecting plates 27 and two connecting blocks 28. The two groups of connecting plates 27 are fixedly welded on one side of one of the first support plates 9, and the two connecting blocks 28 are fixedly welded on the other side of the first support plate 9. A clamping assembly is provided on the two connecting blocks 28. The clamping assembly includes a reset spring 29 and a clamping block 30. Both ends of the connecting block 28 are provided with mounting grooves 31 for installing the reset spring 29, and the other end of the reset spring 29 is connected to the clamping block 30. A through groove 32 for the clamping block 30 to penetrate is provided on one side of the mounting groove 31. A clamping groove 33 for the clamping block 30 to be clamped and connected is provided on the connecting plate 27.

[0048] When connecting the guardrails, the snap-fit ​​block 30 is pressed, and then the connecting block 28 is snap-fitted between the two connecting plates 27. Under the action of the return spring 29, the snap-fit ​​block 30 is snap-fitted into the snap-fitting groove 33 of the connecting plate 27, and the connecting block 28 can be snap-fitted and connected between the two connecting plates 27, thus completing the splicing of the guardrails.

[0049] When the two guardrails are disassembled, the engaging block 30 is pressed to be taken out from the engaging groove 33 , and then the connecting block 28 is taken out from between the connecting plates 27 , and the guardrails can be disassembled.

[0050] A method for installing a building lifting guardrail comprises the following steps:

[0051] S1. Adjust the lifting height: The two second servo motors 23 rotate through the threaded rods 24, and the two threaded rods 24 rotate in the threaded grooves 22, so as to drive the two lifting rods 18 to perform lifting and adjustment, thereby adjusting the protection height;

[0052] S2. Connect the guardrails: Press the snap-fit ​​block 30, and then snap the connection block 28 between the two connection plates 27. Under the action of the return spring 29, the snap-fit ​​block 30 snaps into the snap-fit ​​groove 33 of the connection plate 27, and the connection block 28 snaps and connects between the two connection plates 27, completing the connection of the two guardrails;

[0053] S3. Fix the guardrail: the first servo motor 3 drives the third support plate 11 to move through the two rack plates 12, and then the electric push rod 6 drives the abutment plate 7 to move. The abutment plate 7 contacts the ground to support both sides of the guardrail, thereby improving the support stability of the guardrail.

[0054] Working principle:

[0055] The first servo motor 3 drives the two rack plates 12 to move in the through hole 14 through the gear plate 5, and then the electric push rod 6 drives the abutment plate 7 to move, and the rubber layer 8 on the abutment plate 7 is in contact with the ground to support and reinforce the guardrail, and then the clamping block 30 is pressed, and then the connecting block 28 is clamped between the two connecting plates 27. Under the action of the reset spring 29, the clamping block 30 is clamped in the clamping groove 33 of the connecting plate 27 to splice the two guardrails;

[0056] When adjusting the protection height, the two second servo motors 23 rotate through the threaded rods 24, and the two threaded rods 24 rotate in the threaded grooves 22, which can drive the two lifting rods 18 to be raised and lowered. The two lifting rods 18 drive several connecting rods 19 to move through the top plate 20, so as to adjust the protection height.

Claims

1. A building lifting guardrail, characterized in that: include: A bottom frame (1), wherein a self-locking universal wheel (2) is mounted at the lower end of the bottom frame (1); A support mechanism, the support mechanism is mounted on the bottom frame (1), the support mechanism comprises a first servo motor (3), a first moving member and a second moving member, the first servo motor (3) is mounted in a mounting cavity (4) in the bottom frame (1), and the output end of the first servo motor (3) is connected to a gear plate (5), the gear plate (5) is meshed with the first moving member and the second moving member, and an electric push rod (6) is mounted on the first moving member and the second moving member, the output end of the electric push rod (6) is connected to a stop plate (7), and rubber layers (8) are provided at both ends of the stop plate (7); First support plates (9) are fixedly welded at both ends of the bottom frame (1), a plurality of second support plates (10) are arranged between the first support plates (9), and the first support plates (9) and the second support plates (10) are connected to an extension component via a lifting mechanism; A connecting mechanism, wherein the connecting mechanism is respectively connected to one side of the two first support plates (9).

2. A building lifting guardrail according to claim 1, characterized in that: The first moving member and the second moving member both comprise a third support plate (11), a rack plate (12) and two side plates (13); the two side plates (13) are fixedly welded to the two ends of the third support plate (11); the rack plate (12) is fixedly welded to the middle of the third support plate (11); the rack plate (12) is meshed with the two sides of the gear plate (5); and the bottom frame (1) is provided with a through hole (14) for the rack plate (12) and the side plates (13) to pass through.

3. A building lifting guardrail according to claim 2, characterized in that: A first limiting block (15) is fixedly welded to the rack plate (12) and the two side plates (13), and a first limiting groove (16) for the first limiting block (15) to move is provided at the upper end of the inner cavity of the bottom frame (1).

4. The building lifting guardrail according to claim 1, characterized in that: Telescopic rods (17) are fixedly mounted at both ends of the abutment plate (7), and the other end of the telescopic rod (17) is connected to the third support plate (11).

5. The building lifting guardrail according to claim 1, characterized in that: The extension assembly comprises two lifting rods (18), a plurality of connecting rods (19) and a top plate (20); the two lifting rods (18) are fixedly welded to two ends of the top plate (20); the plurality of connecting rods (19) are fixedly welded to the top plate (20); the two lifting rods (18) and the plurality of connecting rods (19) are provided with moving grooves (21); and the two lifting rods (18) are provided with threaded grooves (22).

6. The building lifting guardrail according to claim 1, characterized in that: The lifting mechanism comprises two second servo motors (23) and two threaded rods (24); the two second servo motors (23) are installed in the installation cavity (4), and the output ends of the two second servo motors (23) are connected to the threaded rods (24); the two threaded rods (24) penetrate the installation cavity (4) and are connected to the threaded grooves (22), and one end of the threaded rods (24) is connected to the bottom frame (1) via a bearing.

7. The building lifting guardrail according to claim 5, characterized in that: Second limiting grooves (25) are provided at both ends of the thread grooves (22) in the two lifting rods (18), and second limiting blocks (26) slidably connected to the second limiting grooves (25) are fixedly welded at both ends of the two lifting rods (18).

8. The building lifting guardrail according to claim 1, characterized in that: The connection mechanism comprises two groups of connection plates (27) and two connection blocks (28); the two groups of connection plates (27) are fixedly welded to one side of one of the first support plates (9); the two connection blocks (28) are fixedly welded to one side of the other first support plate (9); and the two connection blocks (28) are provided with a snap-fit ​​assembly.

9. The building lifting guardrail according to claim 8, characterized in that: The engaging assembly comprises a return spring (29) and a locking block (30); both ends of the connecting block (28) are provided with mounting grooves (31) for mounting the return spring (29); the other end of the return spring (29) is connected to the locking block (30); one side of the mounting groove (31) is provided with a through groove (32) for the locking block (30) to pass through; and the connecting plate (27) is provided with a locking groove (33) for the locking block (30) to be locked and connected.

10. The method for installing a building lifting guardrail according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: S1. Adjusting the lifting height: The two second servo motors (23) rotate through the threaded rods (24), and the two threaded rods (24) rotate in the threaded grooves (22), thereby driving the two lifting rods (18) to perform lifting and adjustment, thereby adjusting the protection height; S2. Connecting the guardrails: Pressing the snap-fit ​​block (30), and then snapping the connection block (28) between the two connection plates (27). Under the action of the return spring (29), the snap-fit ​​block (30) snaps into the snap-fit ​​groove (33) of the connection plate (27), and the connection block (28) is snap-fitted and connected between the two connection plates (27), thereby completing the connection of the two guardrails; S3, fixing the guardrail: the first servo motor (3) drives the third support plate (11) to move via the two rack plates (12), and then the electric push rod (6) drives the abutment plate (7) to move, and the abutment plate (7) contacts the ground to support both sides of the guardrail.

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