Lightgage steel joist stacked object lifting device

Abstract

The utility model discloses a light steel keel stacked object lifting device which comprises a feeding roller set formed by arranging a plurality of feeding rollers, a bearing table used for bearing stacked objects is movably arranged on the feeding roller set, a supporting beam is fixedly arranged above the feeding roller set, a plurality of pairs of pulley lifting mechanisms are installed on the supporting beam, and the pulley lifting mechanisms are connected with the bearing table. Each pulley lifting mechanism comprises a lifting hook and moves synchronously, a plurality of lifting rings are connected to the outer side of the bearing table, the lifting rings are evenly arranged on the periphery of the bearing table, and the number of the lifting rings is matched with that of the lifting hooks. According to the lifting device for the light steel joist stacked objects, the pulley lifting mechanisms and the translation mechanisms which can be adjusted synchronously in pairs are matched, the bearing table for placing the light steel joist stacked objects can be rapidly and stably loaded and unloaded, use is faster and more convenient, manual intervention is less, and the carrying stability and the carrying efficiency are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of landing gear devices, in particular to a landing gear device for light steel keel stack loads. Background Art

[0002] During the handling of light steel keels, dial indicators are generally placed on the stack load for inspection tests while facilitating handling. However, since conventional keel handling devices only have the function of labor-saving handling and do not pay attention to the stability of the stack load during loading and unloading, the light steel keel stack load may shake slightly during loading and unloading, resulting in the dropping of the dial indicator, which has a great impact on the inspection. At the same time, the conventional handling device has a high degree of manual participation, resulting in a long overall operation time and poor stability, which may lead to an extended inspection experiment time, and it is not easy to load and unload smoothly at one time, affecting the handling and inspection efficiency.

[0003] Therefore, in combination with the above existing technical problems, it is necessary to provide a new technical solution. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a landing gear device that can quickly load and unload light steel keel stack loads and has higher stability and efficiency during loading, unloading and handling.

[0005] To solve the above technical problems, the utility model provides a landing gear device for light steel keel stack loads, and the specific technical solution is as follows:

[0006] A landing gear device for light steel keel stack loads includes a feed roller group formed by arranging a plurality of feed rollers. A loading platform for carrying the stack load is movably arranged on the feed roller group. A support beam is fixedly arranged above the feed roller group. A plurality of pulley lifting mechanisms are installed on the support beam. Each pulley lifting mechanism includes a hook and the pulley lifting mechanisms move synchronously. A plurality of lifting rings are connected to the outside of the loading platform. The lifting rings are evenly arranged around the loading platform and the number of lifting rings is adapted to the number of hooks.

[0007] Preferably, a translation mechanism is further installed on the support beam. The translation mechanisms are multiple and are respectively located between each pair of pulley lifting mechanisms. The distance between each pair of pulley lifting mechanisms is adjusted by the translation mechanism to adapt to loading platforms of different specifications.

[0008] Preferably, the support beam is a pair. A plurality of slide rails are fixedly connected between the two support beams. Each slide rail is respectively adapted to a translation mechanism and a pair of pulley lifting mechanisms, and each translation mechanism and pulley lifting mechanism can move along the corresponding slide rail.

[0009] Preferably, the translation mechanism includes a fixed seat fixed at the center of the slide rail and a pair of sliders slidably sleeved on the slide rail. The two sliders are symmetrically arranged with the fixed seat as the center. A connecting arm extending towards the fixed seat is hinged on the slider. One end of the connecting arm away from the slider is hinged to a connecting rod. One end of the curtain rod away from the connecting arm is hinged to the fixed seat. The connecting rods corresponding to the two sliders are respectively hinged on both sides of the fixed seat and perform synchronous reverse movement through a synchronizing member.

[0010] Preferably, the pulley lifting mechanism includes a fixed pulley set and a movable pulley set. The fixed pulley set is fixedly connected below the slider through at least one connecting plate. The fixed pulleys in the fixed pulley set can rotate around their own axes. The movable pulley set is installed below the fixed pulley set through a connecting wire harness in a liftable manner. The hook is fixedly connected below the movable pulley set.

[0011] Preferably, the fixed pulley set includes a first fixed pulley and a second fixed pulley, and the movable pulley set includes a first movable pulley and a second movable pulley. The first fixed pulley is located above the second fixed pulley and the diameter of the first fixed pulley is greater than that of the second fixed pulley. The first movable pulley is located below the second movable pulley and the diameter of the first movable pulley is greater than that of the second movable pulley. The central axes of the first fixed pulley and the second fixed pulley are rotatably connected and fixed to the slider through a connecting plate located on the side of the fixed pulley set. The central axes of the first movable pulley and the second movable pulley are rotatably connected and fixed to a fixing plate located on the side of the movable pulley set.

[0012] Preferably, the fixed pulley set and the movable pulley set are connected by a wire. One end of the wire is fixedly connected to the second movable pulley, and the other end passes through the second fixed pulley, the first movable pulley and the first fixed pulley in sequence and is connected to a wire winding and unwinding mechanism.

[0013] Preferably, a wire winding and unwinding wheel is rotatably and fixedly connected below the fixed seat. The wire winding and unwinding wheel is located between each pair of pulley lifting mechanisms. One end of the wire controlling each pulley in each pulley lifting mechanism is connected to the wire winding and unwinding wheel so that the pulley lifting mechanisms on both sides can wind and unwind the wire synchronously.

[0014] Preferably, a lifting arm is provided above the support beam, and the support beam is suspended above the feeding roller group through the lifting arm.

[0015] A light steel keel stacking load lifting device of the present invention has the following beneficial effects:

[0016] The light steel keel stacking load lifting device of the present invention, through the cooperation of a pair of pulley lifting mechanisms and a translation mechanism that can be synchronously adjusted, can quickly and stably load and unload the loading platform for placing light steel keel stacking loads, is more convenient and faster to use, requires less manual intervention, and greatly improves the handling stability and handling efficiency;

[0017] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 is a schematic structural diagram of a lifting device for a light steel keel load;

[0020] Figure 2 is Figure 1 a schematic structural diagram of the translation mechanism in

[0021] Among them, 1 - feeding roller group; 2 - support beam; 21 - slide rail; 22 - boom; 3 - pulley lifting mechanism; 31 - first fixed pulley; 32 - first movable pulley; 33 - second fixed pulley; 34 - second movable pulley; 35 - wire winding and unwinding wheel; 36 - hook; 4 - translation mechanism; 41 - fixed seat; 42 - slider; 43 - connecting arm; 44 - connecting rod; 5 - bearing platform; 51 - lifting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1 to 2 , a lifting device for a light steel keel load, including a feeding roller group 1 formed by arranging a plurality of feeding rollers. A bearing platform 5 for carrying the load is movably arranged on the feeding roller group. A support beam 2 is fixedly arranged above the feeding roller group. A plurality of pairs of pulley lifting mechanisms 3 are installed on the support beam. Each pulley lifting mechanism includes a hook 36 and each pulley lifting mechanism moves synchronously. A plurality of lifting rings 51 are connected to the outside of the bearing platform. Each lifting ring is evenly arranged around the bearing platform and the number of lifting rings is adapted to the number of hooks.

[0025] The support beam 2 is further provided with a translation mechanism 4. The translation mechanisms are multiple and are respectively located between each pair of pulley lifting mechanisms. The distance between each pair of pulley lifting mechanisms is adjusted by the translation mechanism to adapt to bearing platforms of different specifications.

[0026] The support beams 2 are a pair, and a plurality of slide rails 21 are fixedly connected between the two support beams. Each slide rail is adapted to a translation mechanism and a pair of pulley lifting mechanisms respectively, and each translation mechanism and pulley lifting mechanism can move along the corresponding slide rail.

[0027] The translation mechanism 4 includes a fixed seat 41 fixed at the center of the slide rail and a pair of sliders 42 slidably sleeved on the slide rail. The two sliders are symmetrically arranged with the fixed seat as the center. A connecting arm 43 extending towards the fixed seat is hinged on the slider. The end of the connecting arm far from the slider is hinged with a connecting rod 44. The end of the curtain rod far from the connecting arm is hinged with the fixed seat, and the connecting rods corresponding to the two sliders are respectively hinged on both sides of the fixed seat and perform synchronous reverse movement through a synchronizing member.

[0028] The pulley lifting mechanism 3 includes a fixed pulley group and a movable pulley group. The fixed pulley group is fixedly connected below the slider 42 through at least one connecting plate, and the fixed pulleys in the fixed pulley group can rotate around their own axes. The movable pulley group is installed below the fixed pulley group through a connecting wire harness in a liftable manner, and a hook 36 is fixedly connected below the movable pulley group.

[0029] The fixed pulley group includes a first fixed pulley 31 and a second fixed pulley 33, and the movable pulley group includes a first movable pulley 32 and a second movable pulley 34. The first fixed pulley is located above the second fixed pulley and the diameter of the first fixed pulley is larger than that of the second fixed pulley. The first movable pulley is located below the second movable pulley and the diameter of the first movable pulley is larger than that of the second movable pulley. The central axes of the first fixed pulley and the second fixed pulley are rotatably connected and fixed to the slider through a connecting plate located on the side of the fixed pulley group, and the central axes of the first movable pulley and the second movable pulley are rotatably connected and fixed to a fixing plate located on the side of the movable pulley group.

[0030] The fixed pulley group and the movable pulley group are connected by a wire. One end of the wire is fixedly connected to the second movable pulley 34, and the other end passes through the second fixed pulley 33, the first movable pulley 32, and the first fixed pulley 31 in sequence and is connected to a wire winding and unwinding mechanism.

[0031] A wire winding and unwinding wheel 35 is rotatably and fixedly connected below the fixed seat 41. The wire winding and unwinding wheel is located between each pair of pulley lifting mechanisms, and one end of the wire controlling each pulley in each pulley lifting mechanism is connected to the wire winding and unwinding wheel so as to synchronously wind and unwind the wire on both sides of the pulley lifting mechanism, thereby realizing the synchronous lifting of each pair of pulley lifting mechanisms.

[0032] A lifting arm 22 is provided above the support beam 2, and the support beam is suspended above the feeding roller group through the lifting arm.

[0033] When the light steel keel stacking load lifting device of this embodiment is working, the bearing platform 5 transports the light steel keel stacking load to the lower part of the support beam 2 through the feeding roller group 1. At this time, adjust the pulley lifting assembly 3 and the translation mechanism 4, and adjust the length of the wire through the wire winding and unwinding wheel 35 to adjust the height of the hook 36 in the pulley lifting mechanism, so as to facilitate the hook to be hung on the lifting ring 51. At the same time, in order to adapt to the size of the bearing platform, the connecting rod 44 is adjusted to control the connecting arm 43 and then control the position of the slider 42 on the slide rail, so as to drive each pair of pulley lifting mechanisms to adjust the spacing to meet the requirements of bearing platforms of different models, and control the stability around the bearing platform through synchronous movement, thereby improving the stability of the detection instrument on the stacking load.

[0034] The beneficial effects of the present utility model are as follows: Through the cooperation of the paired synchronously adjustable pulley lifting mechanism and the translation mechanism, the bearing platform for loading and unloading the light steel keel stacking load can be quickly and smoothly loaded and unloaded, and it is more convenient and faster to use, with less manual intervention, and the handling stability and handling efficiency are greatly improved.

[0035] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications and variations to the above embodiments within the scope of the present utility model.

Claims

1. A light steel keel cargo lifting and lowering device, characterized in that: The invention comprises a feed roller group (1) formed by arranging a plurality of feed rollers, a bearing platform (5) for bearing a stacked object is movably provided on the feed roller group, a support beam (2) is fixedly provided above the feed roller group, a plurality of pairs of pulley lifting mechanisms (3) are installed on the support beam, each pulley lifting mechanism comprises a hook (36) and each pulley lifting mechanism moves synchronously, a plurality of lifting rings (51) are connected to the outer side of the bearing platform, each lifting ring is evenly arranged around the bearing platform and the number of the lifting rings matches the number of the hooks.

2. The light steel keel cargo lifting and lowering device according to claim 1 is characterized in that: The support beam (2) is also provided with a translation mechanism (4), which is multiple and respectively located between each pair of pulley lifting mechanisms. The spacing between each pair of pulley lifting mechanisms is adjusted by the translation mechanism to accommodate bearing platforms of different specifications.

3. The light steel keel cargo lifting and lowering device according to claim 2 is characterized in that: The support beams (2) are a pair, and a plurality of slide rails (21) are fixedly connected between the two support beams. Each slide rail is respectively adapted to a translation mechanism and a pair of pulley lifting mechanisms, and each translation mechanism and pulley lifting mechanism can move along the corresponding slide rail.

4. The light steel keel cargo lifting and lowering device according to claim 3 is characterized in that: The translation mechanism (4) comprises a fixed seat (41) fixed at the center of the slide rail and a pair of sliders (42) slidably mounted on the slide rail, the two sliders being symmetrically arranged with the fixed seat as the center, a connecting arm (43) extending in the direction of the fixed seat being hinged on the slider, a connecting rod (44) being hinged on one end of the connecting arm away from the slider, the curtain rod being hinged on one end of the curtain rod away from the connecting arm and the fixed seat, and the connecting rods corresponding to the two sliders being hinged on both sides of the fixed seat and performing synchronous reverse movement through a synchronization member.

5. The light steel keel cargo lifting and lowering device according to claim 4 is characterized in that: The pulley lifting mechanism (3) comprises a fixed pulley block and a movable pulley block, wherein the fixed pulley block is fixedly connected to the bottom of the slider (42) via at least one connecting plate, and the fixed pulleys in the fixed pulley block can rotate around their own axes, and the movable pulley block is installed below the fixed pulley block in a liftable manner via a connecting harness, and the hook (36) is fixedly connected to the bottom of the movable pulley block.

6. The light steel keel cargo lifting and lowering device according to claim 5 is characterized in that: The fixed pulley group comprises a first fixed pulley (31) and a second fixed pulley (33), and the movable pulley group comprises a first movable pulley (32) and a second movable pulley (34), the first fixed pulley is located above the second fixed pulley and has a diameter greater than the second fixed pulley, the first movable pulley is located below the second movable pulley and has a diameter greater than the second movable pulley, the central axes of the first fixed pulley and the second fixed pulley are both rotatably connected and fixed to a slider via a connecting plate located on a side of the fixed pulley group, and the central axes of the first movable pulley and the second movable pulley are rotatably connected and fixed to a fixing plate located on a side of the movable pulley group.

7. The light steel keel cargo lifting and lowering device according to claim 6 is characterized in that: The fixed pulley block and the movable pulley block are connected by a wire, one end of the wire is fixedly connected to the second movable pulley (34), and the other end of the wire passes through the second fixed pulley (33), the first movable pulley (32) and the first fixed pulley (31) in sequence and is then connected to a wire retracting and unreeling mechanism.

8. The light steel keel cargo lifting and lowering device according to claim 7 is characterized in that: A wire reel (35) is rotatably fixedly connected below the fixed seat (41), and the wire reel is located between each pair of pulley lifting mechanisms. One end of the wire that controls each pulley in each pulley lifting mechanism is connected to the wire reel so that the pulley lifting mechanisms on both sides reel in and release the wire synchronously.

9. The light steel keel cargo lifting and lowering device according to claim 1, characterized in that: A suspension arm (22) is provided above the support beam (2), and the support beam is suspended above the feed roller group via the suspension arm.

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