Safety assembly of lifting frame

Abstract

The utility model relates to the technical field of lifting frames, and discloses a safety assembly of a lifting frame, the safety assembly comprises a base, the top of the base is provided with a fixing table through a lifting supporting assembly, the top of the fixing table is provided with an adjusting groove, and the adjusting groove is internally provided with a safety protection assembly; the safety protection assembly comprises U-shaped frames arranged at the two ends of the adjusting groove in a sliding mode, the U-shaped frames are driven through a driving assembly arranged on the base, the driving assembly comprises a threaded sleeve fixedly installed in the middle of the bottom end of each U-shaped frame, and the interior of each threaded sleeve is in threaded connection with a lifting screw. By rotating the lifting screw rod, the lifting screw rod can push the threaded sleeve and the U-shaped frame to move up and down, so that the height of the guardrail can be adjusted according to requirements, the guardrail can be suitable for users with different heights, and the use safety of the users is improved.

Description

Technical Field

[0001] The present application relates to the technical field of lifting frames, and in particular to a safety component of a lifting frame. Background Art

[0002] For example, the Chinese utility model patent with the announcement number CN219100653U discloses a lifting frame for construction, including a lifting platform and a workbench, the workbench is installed on the support plate of the lifting platform, and the edge of the workbench is provided with a guardrail; a support seat is installed on the top surface of the base of the lifting platform, and a detachable support rod is installed on the support seat, and a perforation is opened on the support plate corresponding to the support rod, and an anti-falling structure is sleeved on the support rod, and the anti-falling structure is threadedly connected with the support rod; the anti-falling structure is located above the support plate, and a hook frame is provided on the anti-falling structure, and the hook frame is hooked on the bottom surface of the support plate; the structure is novel, can be automatically lifted and lowered, and has an additional mechanical structure for anti-falling, which can reduce safety hazards and improve safety in use;

[0003] Regarding the above-mentioned related technologies, the inventor believes that the application protects users by providing a guardrail, but the height of the guardrail is fixed and cannot be adjusted when used by users of different heights, resulting in poor protection performance.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that the lifting frame in the related art protects users by providing a guardrail, but the height of the guardrail is fixed and cannot be adjusted when used by users of different heights, resulting in poor protection performance, the present application provides a safety component for the lifting frame.

[0006] The safety component of a lifting frame provided in this application adopts the following technical solution:

[0007] A safety component of a lifting frame comprises a base, a fixed platform is installed on the top of the base through a lifting support component, an adjustment slot is opened on the top of the fixed platform, a safety protection component is arranged inside the adjusting slot, the safety protection component comprises a U-shaped frame slidably arranged at both ends of the adjusting slot, the U-shaped frame is driven by a driving component arranged on the base, the driving component comprises a threaded sleeve fixedly installed on the middle part of the bottom end of the U-shaped frame, the internal thread of the threaded sleeve is connected with a lifting screw, and a transmission component for driving the two lifting screws to rotate synchronously is fixedly installed on the bottom of the fixed platform.

[0008] Preferably, the transmission assembly includes a driving motor fixedly mounted on the bottom of the fixed platform, the output shaft of the driving motor is fixedly mounted with a transmission gear, the bottoms of the two lifting screws both pass through the fixed platform and are fixedly connected with a gear plate, a chain is meshed between the two gear plates, and the middle part of the chain is meshed with the transmission gear.

[0009] Preferably, the four sides of the base are provided with storage grooves and grooves connected to the storage grooves, the four corners of the storage grooves are hinged with support rods, the ends of the support rods are threadedly connected with threaded rods, and the bottom of the threaded rods is fixedly installed with a support plate.

[0010] Preferably, a turntable is fixedly mounted on the top of the threaded rod, and a plurality of anti-slip grooves are provided on the circumferential direction of the turntable.

[0011] Preferably, guardrails are provided between the U-shaped frames.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The present application rotates the lifting screw, which can push the threaded sleeve and the U-shaped frame to move up and down, so that the height of the guardrail can be adjusted; compared with the prior art, the present application can adjust the height of the guardrail according to needs, so that it can be suitable for users of different heights, thereby improving the safety of users;

[0014] 2. The present application enables the support rod to be rotatably arranged so that the device can adjust the support position of the support rod according to the terrain, and the support plate supports the device by rotating the threaded rod, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0016] Figure 2 is a schematic diagram of the structure of a fixed platform of an embodiment of the application;

[0017] Figure 3 It is a schematic diagram of the structure of the safety protection component of the application embodiment.

[0018] Explanation of the reference numerals in the accompanying drawings: 1. Base; 11. Support rod; 12. Threaded rod; 13. Support plate; 14. Turntable; 15. Storage slot; 16. Groove; 2. Lifting support assembly; 3. Fixed platform; 31. Adjustment slot; 4. Safety protection assembly; 41. U-shaped frame; 42. Guardrail; 43. Threaded sleeve; 44. Lifting screw; 45. Gear plate; 46. Chain; 47. Driving motor. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-3 This application is described in further detail.

[0020] The present application embodiment discloses a safety component of a lifting frame. Figure 1-3 A safety component of a lifting frame includes a base 1, a fixed platform 3 is installed on the top of the base 1 through a lifting support component 2, an adjusting slot 31 is opened on the top of the fixed platform 3, a safety protection component 4 is arranged inside the adjusting slot 31, the safety protection component 4 includes a U-shaped frame 41 slidably arranged at both ends of the adjusting slot 31, the U-shaped frame 41 is driven by a driving component arranged on the base 1, the driving component includes a threaded sleeve 43 fixedly installed at the middle of the bottom end of the U-shaped frame 41, the internal thread of the threaded sleeve 43 is connected with a lifting screw 44, and a transmission component for driving two lifting screws 44 to rotate synchronously is fixedly installed at the bottom of the fixed platform 3.

[0021] Here, by rotating the lifting screw 44, the lifting screw 44 can push the threaded sleeve 43 to move up and down, so that the threaded sleeve 43 can push the U-shaped frame 41 to adjust the height, thereby improving the practicability of the device.

[0022] Reference Figure 3 The transmission assembly includes a driving motor 47 fixedly mounted on the bottom of the fixed platform 3, and a transmission gear is fixedly mounted on the output shaft of the driving motor 47. The bottoms of the two lifting screws 44 both pass through the fixed platform 3 and are fixedly connected to a gear plate 45. A chain 46 is meshed between the two gear plates 45, and the middle part of the chain 46 is meshed with the transmission gear.

[0023] Here, by starting the driving motor 47, the driving motor 47 can drive the chain 46 to rotate, and the chain 46 can drive the two gear plates 45 and the lifting screw 44 to rotate.

[0024] Reference Figure 1 The four sides of the base 1 are provided with a storage groove 15 and a groove 16 connected to the storage groove 15. The four corners of the storage groove 15 are hinged with a support rod 11. The end of the support rod 11 is threadedly connected with a threaded rod 12, and the bottom of the threaded rod 12 is fixedly installed with a support plate 13.

[0025] Here, a support rod 11 is provided, and a threaded rod 12 and a support plate 13 are provided in cooperation, so that the base 1 can be supported and the stability of the base 1 is improved.

[0026] Reference Figure 1 A turntable 14 is fixedly mounted on the top of the threaded rod 12 , and a plurality of anti-slip grooves are provided in the circumferential direction of the turntable 14 .

[0027] Here, a turntable 14 is provided, and an anti-skid groove is opened on the turntable 14, so that the threaded rod 12 can be driven to rotate.

[0028] Reference Figure 1 A guardrail 42 is provided between the U-shaped frames 41 .

[0029] Here, by providing a guardrail 42, the staff can be protected.

[0030] The implementation principle of the safety component of a lifting frame in the embodiment of the present application is as follows: when in use, first push the device to the specified position, then open the support rod 11 from the inside of the storage slot 15, and by rotating the turntable 14, the turntable 14 drives the threaded rod 12 to rotate, and the threaded rod 12 can push the support plate 13 to move downward, so that the support plate 13 can support the device, thereby improving the stability of the device. Secondly, the drive motor 47 can be started according to the height of the user, and the drive motor 47 drives the gear plate 45 to rotate through the chain 46, and the gear plate 45 drives the lifting screw 44 to rotate, and the lifting screw 44 can push the threaded sleeve 43 and the U-shaped frame 41 to move up and down, so that the height of the guardrail 42 can be adjusted, so that it can be suitable for users of different bodies, thereby improving the practicality of the device. .

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A safety assembly for a lifting frame, comprising a base (1), characterized in that: A fixed platform (3) is installed on the top of the base (1) via a lifting support assembly (2); an adjustment slot (31) is provided on the top of the fixed platform (3); a safety protection assembly (4) is arranged inside the adjustment slot (31); the safety protection assembly (4) comprises a U-shaped frame (41) slidably arranged at both ends of the adjustment slot (31); the U-shaped frame (41) is driven by a driving assembly arranged on the base (1); the driving assembly comprises a threaded sleeve (43) fixedly installed at the middle of the bottom end of the U-shaped frame (41); a lifting screw (44) is connected to the internal thread of the threaded sleeve (43); and a transmission assembly for driving the two lifting screws (44) to rotate synchronously is fixedly installed at the bottom of the fixed platform (3).

2. The safety assembly of a lifting frame according to claim 1, characterized in that: The transmission assembly comprises a driving motor (47) fixedly mounted on the bottom of the fixed platform (3); a transmission gear is fixedly mounted on the output shaft of the driving motor (47); the bottoms of the two lifting screw rods (44) both pass through the fixed platform (3) and are fixedly connected to a gear plate (45); a chain (46) is meshed between the two gear plates (45); and the middle part of the chain (46) is meshed with the transmission gear.

3. The safety assembly of a lifting frame according to claim 1, characterized in that: The four sides of the base (1) are provided with a receiving groove (15) and a groove (16) connected to the receiving groove (15); the four corners of the receiving groove (15) are hinged with a support rod (11); the end of the support rod (11) is threadedly connected to a threaded rod (12); and a support plate (13) is fixedly installed at the bottom of the threaded rod (12).

4. The safety assembly of a lifting frame according to claim 3, characterized in that: A turntable (14) is fixedly mounted on the top of the threaded rod (12), and a plurality of anti-slip grooves are provided in the circumferential direction of the turntable (14).

5. The safety assembly of a lifting frame according to claim 1, characterized in that: Guardrails (42) are arranged between the U-shaped frames (41).

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