Lifting frame with high safety

Abstract

The utility model belongs to the technical field of lifting frames, and particularly relates to a high-safety lifting frame which comprises a base, a lifting machine is arranged at the upper end of the base, a wheel frame is fixedly connected to the lower end of the base, wheels are rotationally connected into the wheel frame, and a braking vane is in contact with the lower end of the base. A connecting block is fixedly connected to the upper end of the braking vane, a connecting block is slidably connected to the interior of the base, and a threaded rod is rotatably connected to the interior of the base. Through the arrangement of the threaded rod, the brake plate and other parts, the threaded rod and the connecting block can make threaded motion by rotating the threaded rod, so that the connecting block drives the brake plate to make contact with the wheels, the wheels can be limited, and the problems that the wheels are inconvenient to limit when the lifting frame is used, and the wheels cannot be limited easily are solved. And the problem that the safety of a user is affected due to the fact that the lifting frame cannot keep stable when being placed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting frames, in particular to a lifting frame with high safety. Background Art

[0002] The construction engineering lifting frame is a vertical transportation equipment used in construction and maintenance. It can provide vertical lifting of workers and materials between different floors, and provide a safe and efficient working platform for construction personnel. According to the utility model with patent authorization announcement number CN217027964U, a lifting construction frame for housing construction projects is disclosed, including a bottom plate, a sliding bin, a lifting bracket and a top plate. The sliding bin is located above the bottom plate. A plurality of columns are fixedly connected to the bottom of the sliding bin. A circular groove is provided at the bottom end of the column. A steering ball is installed inside the circular groove. The steering ball is rotatably connected to the circular groove. A hydraulic column is installed around the top of the bottom plate. The telescopic end of the hydraulic column is connected to a telescopic column. One end of the telescopic column is fixedly connected to the side surface of the steering ball. The top of the sliding bin is slidably connected to a sliding base. The top of the sliding base is installed with a lifting bracket. The top of the lifting bracket is connected to the top plate. The utility model sets hydraulic columns on the bottom plate. When the device needs to work in an uneven position on the ground, the height can be adjusted according to the needs, and each hydraulic column can be started automatically to achieve the adjustment of the specific angle and height. The setting of the steering ball ensures that when any hydraulic column is started separately, the sliding base can keep moving accordingly, and the working position can be freely adjusted, which is convenient and labor-saving to operate. However, when the lifting frame is used, it is inconvenient to limit the wheels, resulting in the lifting frame being unable to remain stable when placed, thereby affecting the safety of the user. Utility Model Content

[0003] The utility model aims to provide a lifting frame with high safety, which solves the problem that the wheels are inconvenient to limit when the lifting frame is in use, resulting in the lifting frame being unable to remain stable when placed, thereby affecting the safety of the user.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lifting frame with high safety comprises a base, the upper end of the base is provided with a lift, the lower end of the base is fixedly connected with a wheel frame, the wheel frame is rotatably connected inside the wheel frame, the lower end of the base contacts with a brake plate, the upper end of the brake plate is fixedly connected with a connecting block, the base is slidably connected with the connecting block, the base is connected with a threaded rod inside by rotation, the outer side of the threaded rod is fixedly connected with a turntable, the turntable is rotatably connected to the base, the lower end of the base contacts with a pull plate, the upper end of the pull plate is fixedly connected with a clamping block, the inside of the turntable is provided with a clamping groove, the inside of the base is slidably connected with the clamping block, the inside of the clamping groove is slidably connected with the clamping block, the upper end of the pull plate is fixedly connected with a sliding rod, the inside of the base is slidably connected with the sliding rod, the inside of the base is fixedly connected with a limiting ring, the limiting ring is slidably connected to the sliding rod, the limiting ring contacts the pull plate, and a spring is arranged on the outer side of the sliding rod.

[0005] Preferably, a guide rod is fixedly connected to the lower end of the base, and the guide rod is slidably connected to the brake plate. The guide rod can guide the brake plate through its design.

[0006] Preferably, the outer side of the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the connecting block through threads. Through the design of the threaded rod, the two connecting blocks can be driven to move at the same time.

[0007] Preferably, a baffle is fixedly connected to the outer side of the threaded rod, and the baffle is in contact with the base. The design of the baffle can limit the threaded rod.

[0008] Preferably, one end of the threaded rod away from the base is fixedly connected with a knob, and the knob is in contact with the base. The design of the knob can drive the threaded rod to rotate.

[0009] Preferably, one end of the spring is in contact with the limiting ring, and the other end of the spring is in contact with the slide rod. Through the design of the spring, the clamping block can be driven to limit the turntable.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is provided with components such as a threaded rod and a brake plate. By rotating the threaded rod, the threaded rod and the connecting block can undergo threaded motion, so that the connecting block drives the brake plate to contact the wheel, thereby limiting the wheel. This solves the problem that it is inconvenient to limit the wheel when the lifting frame is in use, resulting in the lifting frame being unable to remain stable when placed, thereby affecting the safety of the user.

[0012] 2. The utility model is provided with a pull plate, a clamping block, a spring and other components. The elastic force of the spring can drive the clamping block on the pull plate to slide into the clamping groove on the turntable, so as to limit the turntable, that is, the brake plate can remain stable when limiting the wheel, so that the lifting frame can remain stable when in use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 For the utility model Figure 1 Bottom view of

[0015] Figure 3 For the utility model Figure 1 A partial structure enlarged front view and cross-sectional view;

[0016] Figure 4 For the utility model Figure 1 An enlarged side view of the local structure.

[0017] In the figure: 1. base; 11. lift; 2. wheel frame; 21. wheel; 3. brake plate; 31. guide rod; 32. connecting block; 33. threaded rod; 34. baffle; 35. knob; 4. turntable; 5. pull plate; 51. block; 52. slot; 53. slide rod; 54. limit ring; 55. spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] See also Figure 1-4 A lifting frame with high safety includes a base 1, a lift 11 is arranged on the upper end of the base 1, a wheel frame 2 is fixedly connected to the lower end of the base 1, a wheel 21 is rotatably connected inside the wheel frame 2, a brake plate 3 is contacted at the lower end of the base 1, a guide rod 31 is fixedly connected to the lower end of the base 1, the guide rod 31 is slidably connected to the brake plate 3, and the design of the guide rod 31 can guide the brake plate 3, a connecting block 32 is fixedly connected to the upper end of the brake plate 3, the connecting block 32 is slidably connected to the inside of the base 1, a threaded rod 33 is rotatably connected to the inside of the base 1, positive and negative threads are arranged on the outer side of the threaded rod 33, the threaded rod 33 is threadedly connected to the connecting block 32, and the design of the threaded rod 33 can drive the two connecting blocks 32 to move at the same time.

[0020] See also Figure 2-4 The outer side of the threaded rod 33 is fixedly connected with a baffle 34, which contacts the base 1. The design of the baffle 34 can limit the threaded rod 33. The end of the threaded rod 33 away from the base 1 is fixedly connected with a knob 35, which contacts the base 1. The design of the knob 35 can drive the threaded rod 33 to rotate. The outer side of the threaded rod 33 is fixedly connected with a turntable 4, which is rotatably connected to the base 1. The lower end of the base 1 contacts with a pull plate 5, and the upper end of the pull plate 5 is fixedly connected with a clamping block 51. A clamping groove 52 is provided inside the turntable 4.

[0021] See also Figure 2-4 The base 1 is internally slidably connected with a card block 51, the card slot 52 is internally slidably connected with a card block 51, the upper end of the pull plate 5 is fixedly connected with a slide rod 53, the base 1 is internally slidably connected with the slide rod 53, the base 1 is internally fixedly connected with a limit ring 54, the limit ring 54 is slidably connected to the slide rod 53, the limit ring 54 is in contact with the pull plate 5, and a spring 55 is arranged on the outer side of the slide rod 53, one end of the spring 55 is in contact with the limit ring 54, and the other end of the spring 55 is in contact with the slide rod 53. Through the design of the spring 55, the card block 51 can be driven to limit the turntable 4.

[0022] The specific implementation process of the utility model is as follows: when in use, by moving the pull plate 5 in the direction away from the base 1, the pull plate 5 drives the slide bar 53 to slide in the limit ring 54, so that the slide bar 53 squeezes the spring 55, and the pull plate 5 drives the block 51 to move, so that the block 51 slides out of the slot 52 on the turntable 4, and the limit of the turntable 4 can be released, and the knob 35 is rotated to drive the threaded rod 33 to rotate, so that the threaded rod 33 and the connecting block 32 have a threaded movement, so that the connecting block 32 moves on the threaded rod 33 The connecting block 32 drives the brake plate 3 to move, and the brake plate 3 contacts the wheel 21, so that the wheel 21 can be limited, and the lift 11 can be limited, so that the lift 11 can remain stable when in use. Then the pull plate 5 is released, and the elastic force of the spring 55 drives the slide bar 53 to move, so that the slide bar 53 drives the pull plate 5 to move, and the pull plate 5 drives the block 51 to move, so that the block 51 slides into the slot 52 on the turntable 4, which can limit the turntable 4, so that the brake plate 3 can remain stable when limiting the wheel 21.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting frame with high safety, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a lift (11), the lower end of the base (1) is fixedly connected to a wheel frame (2), the wheel frame (2) is rotatably connected to a wheel (21), the lower end of the base (1) contacts a brake plate (3), the upper end of the brake plate (3) is fixedly connected to a connecting block (32), the base (1) is slidably connected to the connecting block (32), the inside of the base (1) is rotatably connected to a threaded rod (33), the outer side of the threaded rod (33) is fixedly connected to a turntable (4), the turntable (4) is rotatably connected to the base (1), and the lower end of the base (1) contacts a pull plate (5). The upper end of the pull plate (5) is fixedly connected with a clamping block (51), a clamping slot (52) is provided inside the turntable (4), the base (1) is slidably connected with the clamping block (51), the clamping slot (52) is slidably connected with the clamping block (51), the upper end of the pull plate (5) is fixedly connected with a sliding rod (53), the base (1) is slidably connected with the sliding rod (53), the base (1) is fixedly connected with a limiting ring (54), the limiting ring (54) is slidably connected with the sliding rod (53), the limiting ring (54) is in contact with the pull plate (5), and a spring (55) is provided on the outer side of the sliding rod (53).

2. A lifting frame with high safety according to claim 1, characterized in that: The lower end of the base (1) is fixedly connected to a guide rod (31), and the guide rod (31) is slidably connected to the brake plate (3).

3. A lifting frame with high safety according to claim 1, characterized in that: The outer side of the threaded rod (33) is provided with positive and negative threads, and the threaded rod (33) is connected to the connecting block (32) through threads.

4. The lifting frame with high safety according to claim 1, characterized in that: A baffle (34) is fixedly connected to the outer side of the threaded rod (33), and the baffle (34) is in contact with the base (1).

5. The lifting frame with high safety according to claim 1, characterized in that: One end of the threaded rod (33) away from the base (1) is fixedly connected to a knob (35), and the knob (35) is in contact with the base (1).

6. The lifting frame with high safety according to claim 1, characterized in that: One end of the spring (55) contacts the limiting ring (54), and the other end of the spring (55) contacts the sliding rod (53).

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