Portable lighting equipment lifting device for radio and television engineering

Abstract

The utility model belongs to the technical field of hoisting devices, and particularly relates to a portable lighting equipment hoisting device for radio and television engineering, which comprises a vehicle plate, wheels are rotatably connected to three corners of the bottom of the vehicle plate, a stand column is fixed at the top of the vehicle plate, a movable arm is connected to the stand column through a rotating shaft, and a hydraulic cylinder is further connected to the stand column through a rotating shaft. The output end of the hydraulic cylinder is connected with the movable arm through a rotating shaft; according to the utility model, the stability of the device is further enhanced through the matched use of the limiting plate and the screw rod. And by rotating the limiting plate and utilizing the fixing column on the screw rod for fixing, the lighting equipment can be ensured not to generate accidental displacement in the hoisting process, so that the operation safety is ensured. Meanwhile, due to the design of the plug pins and the positioning pieces, an additional fixing means is provided for the equipment, the limiting plate can be conveniently stored when not used, space is saved, and the equipment is kept clean and tidy.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting devices, and in particular relates to a portable lighting equipment lifting device for broadcasting and television engineering. Background Art

[0002] Radio and television engineering is based on the radio, film and television media industry, and is oriented towards the fields related to media content processing. It uses information processing methods such as computer software and modern electronic technology, focusing on audio and video processing, source compression, film and television production and program management, program broadcasting and distribution, etc. It has the characteristics of both basic theory and engineering practice, and the combination of art and technology. Lighting is one of the commonly used equipment in radio and television engineering. When setting up the performance site, the on-site staff often have to hoist the lighting equipment.

[0003] In radio and television projects, lighting equipment is one of the commonly used tools. Especially when setting up the performance site, on-site staff often need to hoist the lighting equipment. However, there are some problems with the current small hoisting equipment when hoisting the lighting equipment. Since these devices usually have only one lifting rope and hook, the support is insufficient, making the lighting equipment easy to shake when hoisted. This shaking not only affects the stability of the lighting equipment, but also easily causes the lighting equipment to collide during the hoisting process, resulting in damage to the equipment. This situation not only increases the difficulty of the work of the on-site staff, but may also affect the effect and quality of the entire performance. Therefore, improving the design of small hoisting equipment and increasing its support stability is one of the problems that need to be solved in current radio and television projects.

[0004] In order to solve the above problems, the present application proposes a portable lighting equipment lifting device for broadcasting and television engineering. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a portable lighting equipment lifting device for broadcasting and television engineering.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable lighting equipment lifting device for broadcasting and television engineering, comprising a vehicle plate, the bottom triangles of the vehicle plate are rotatably connected to wheels, a column is fixed on the top, a movable arm is connected to the column through a rotating shaft, a hydraulic cylinder is also connected to the column through a rotating shaft, an output end of the hydraulic cylinder is connected to the movable arm through a rotating shaft, a connecting piece is rotatably connected to one side of the movable arm, a connecting chain is hung on the connecting piece, a fixing plate is hung on the connecting chain, two hooks are hung on the fixing plate, and a handle is also fixed on the top of the vehicle plate;

[0007] Both sides of the fixed plate are connected with screws through rotating shafts. Fixed columns are installed on both screws through threads. The bottom of the movable arm is connected with two limit plates through a rotating shaft. Limit pieces are fixed on both limit plates. Avoidance grooves for the screws to penetrate are formed on both limit pieces.

[0008] Preferably, a fixed piece is further fixed at the bottom of the movable arm. Two pins penetrate through the fixed piece. One ends of the two pins are connected with each other through a mounting piece. Positioning pieces are fixed on the outer walls of both pins. Return springs are sleeved on the outer walls of both pins. The return springs are located between the positioning pieces and the fixed piece.

[0009] Preferably, the width of the avoidance groove is greater than the diameters of the pin and the screw.

[0010] Preferably, the diameter of the positioning piece is greater than the width of the avoidance groove.

[0011] Preferably, the fixed piece, the pin and the positioning piece are all made of metal materials.

[0012] Preferably, anti-slip patterns are provided on the outer wall of the fixed column.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In the present utility model, through the combined use of the provided limit plates and screws, the stability of the device is further enhanced. By rotating the limit plates and using the fixed columns on the screws for fixation, it can be ensured that the lighting equipment will not undergo accidental displacement during hoisting, thus ensuring the safety of the operation. At the same time, the design of the pins and the positioning pieces provides an additional fixing means for the equipment, enabling the limit plates to be conveniently stored when not in use, saving space and keeping the equipment clean.

[0015] Other additional advantages and beneficial effects of this application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the storage structure of the limit plate in the present utility model;

[0019] Figure 3In the present utility model Figure 1 is a schematic enlarged view of the structure at position A;

[0020] Figure 4 In the present utility model Figure 2 is a schematic enlarged view of the structure at position B.

[0021] In the figure: 1, vehicle board; 2, wheels; 3, upright column; 4, movable arm; 5, hydraulic cylinder; 6, connecting piece; 7, connecting chain; 8, fixing plate; 9, lifting hook; 10, handle; 11, limiting plate; 12, limiting piece; 13, avoidance groove; 14, screw rod; 15, fixing column; 16, fixing piece; 17, pin; 18, positioning piece; 19, mounting piece; 20, return spring. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 , the present utility model provides the following technical solutions: A portable lighting equipment hoisting device for radio and television engineering, including a vehicle board 1, the bottom of the vehicle board 1 is rotatably connected with wheels 2 at all three corners, the top is fixed with an upright column 3, the upright column 3 is connected with a movable arm 4 through a rotating shaft, the upright column 3 is also connected with a hydraulic cylinder 5 through a rotating shaft, the output end of the hydraulic cylinder 5 is connected with the movable arm 4 through a rotating shaft, one side of the movable arm 4 is rotatably connected with a connecting piece 6, a connecting chain 7 is hung on the connecting piece 6, a fixing plate 8 is hung on the connecting chain 7, two lifting hooks 9 are hung on the fixing plate 8, and a handle 10 is also fixed on the top of the vehicle board 1;

[0024] Both sides of the fixed plate 8 are connected with screw rods 14 through a rotating shaft, and the two screw rods 14 are both installed with fixing columns 15 through threads. The bottom of the movable arm 4 is connected with two limit plates 11 through a rotating shaft, and the two limit plates 11 are fixed with limit plates 12, and the two limit plates 12 are provided with avoidance grooves 13 for the screw rods 14 to pass through. When using the device, first move it to a predetermined position, then use two hooks 9 to lift the lighting equipment, and by operating the hydraulic cylinder 5, the lifting and lowering of the movable arm 4 can be controlled, thereby adjusting the height of the lighting equipment. Since the movable arm 4 is connected to the column 3 through a rotating shaft, it can Free rotation allows the lighting equipment to flexibly adjust its angle and position. In order to further improve the stability of the device and prevent the lighting equipment from shaking, the two limit plates 11 can be rotated to be close to the screw rod 14, and then the screw rod 14 can be flipped over to pass through the avoidance groove 13 and placed on the limit plate 12. The fixing column 15 is rotated clockwise to move along the screw rod 14 and fit tightly against the limit plate 12 to fix the position of the fixing plate 8. This ensures that the lighting equipment remains stable during the lifting process, and then the device can be pushed to move the lighting equipment to the specified position for installation or adjustment.

[0025] Specifically, by Figure 3 and Figure 4 As shown, in the present embodiment, a fixing plate 16 is also fixed to the bottom of the movable arm 4, and two latches 17 are passed through the fixing plate 16, and one end of the two latches 17 is connected to each other through a mounting plate 19, and positioning plates 18 are fixed to the outer walls of the two latches 17, and return springs 20 are also sleeved on the outer walls of the two latches 17, and the return spring 20 is located between the positioning plate 18 and the fixing plate 16; during use, if the limit plate 11 is not needed, the latch 17 can be pushed first to drive the positioning plate 18 to move and compress the return spring 20, and then the limit plate 11 is flipped over to align the two avoidance grooves 13 with the latch 17, at this time, the latch 17 is released, and the elastic force of the return spring 20 will prompt the positioning plate 18 and the latch 17 to return to the initial position, ensuring that the latch 17 is firmly locked in the avoidance groove 13, thereby facilitating the storage of the limit plate 11.

[0026] Specifically, by Figure 3 and Figure 4 As shown, in this embodiment, the width of the avoidance groove 13 is greater than the diameter of the latch pin 17 and the screw rod 14, which can ensure that the latch pin 17 or the screw rod 14 can move freely in the avoidance groove 13 without being hindered.

[0027] Specifically, by Figure 4 As shown, in this embodiment, the diameter of the positioning piece 18 is greater than the width of the avoidance groove 13; this can prevent the positioning piece 18 from moving into the inside of the avoidance groove 13, thereby ensuring that the latch 17 will not accidentally leave the fixed position during operation.

[0028] Specifically, byFigure 4 As shown, in this embodiment, the fixing piece 16, the pin 17 and the positioning piece 18 are all made of metal; they have high strength and durability, ensuring the long-term stable operation of the equipment.

[0029] Specifically, by Figure 3 As shown, in this embodiment, the outer wall of the fixing column 15 is provided with anti-slip lines; this can improve the holding stability of the operator when rotating the fixing column 15 and prevent slipping.

[0030] It should be noted that the hydraulic cylinders 5 are all commercially available conventional equipment with built-in power switches. Those skilled in the art can make conventional selections according to the usage needs. Their working principles are common knowledge well-known to those skilled in the art and have been fully disclosed by the prior art, so they will not be elaborated too much in this article.

[0031] The circuit connection involved in the present utility model is a common means adopted by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments. It belongs to the prior art that is widely used.

[0032] The components not described in detail in this article are prior art.

[0033] The working principle and usage process of the present utility model: When using this equipment, first move it to the predetermined position. Then, use the two hooks 9 to lift the lighting equipment. By operating the hydraulic cylinder 5, the lifting of the movable arm 4 can be controlled, and thus the height of the lighting equipment can be adjusted. Since the movable arm 4 is connected to the column 3 through a rotating shaft, it can rotate freely, allowing the lighting equipment to flexibly adjust the angle and position. To further improve the stability of the device and prevent the lighting equipment from shaking, the two limiting plates 11 can be rotated to make them close to the screw 14. Then, turn over the screw 14 so that it passes through the avoidance groove 13 and is placed on the limiting piece 12. By rotating the fixing column 15 clockwise, it moves along the screw 14 and closely fits the limiting piece 12, thereby fixing the position of the fixing plate 8. This can ensure that the lighting equipment remains stable during hoisting. Subsequently, the equipment can be pushed to move the lighting equipment to the designated position and perform installation or adjustment.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A portable lighting equipment hoisting device for radio and television engineering, including a vehicle board (1), characterized in that: At the bottom corners of the vehicle board (1), wheels (2) are rotatably connected, and a vertical column (3) is fixed at the top. An articulated arm (4) is connected to the vertical column (3) through a rotating shaft, and a hydraulic cylinder (5) is also connected to the vertical column (3) through a rotating shaft. The output end of the hydraulic cylinder (5) is connected to the articulated arm (4) through a rotating shaft. A connecting member (6) is rotatably connected to one side of the articulated arm (4). A connecting chain (7) is hung on the connecting member (6). A fixing plate (8) is hung on the connecting chain (7). Two hooks (9) are hung on the fixing plate (8). A handle (10) is also fixed at the top of the vehicle board (1). On both sides of the fixing plate (8), screw rods (14) are connected through rotating shafts. Fixed columns (15) are installed on both screw rods (14) through threads. At the bottom of the articulated arm (4), two limiting plates (11) are connected through a rotating shaft. Limiting pieces (12) are fixed on both limiting plates (11). Avoidance grooves (13) for the screw rods (14) to pass through are formed on both limiting pieces (12).

2. The portable lighting equipment hoisting device for radio and television engineering according to claim 1, characterized in that: A fixing piece (16) is also fixed at the bottom of the articulated arm (4). Two pins (17) penetrate through the fixing piece (16). One ends of the two pins (17) are connected to each other through a mounting piece (19). Positioning pieces (18) are fixed on the outer walls of both pins (17). Return springs (20) are sleeved on the outer walls of both pins (17). The return springs (20) are located between the positioning pieces (18) and the fixing piece (16).

3. A portable lighting equipment hoisting device for radio and television engineering according to claim 2, characterized in that: The width of the avoidance groove (13) is greater than the diameters of the pin (17) and the screw rod (14).

4. A portable lighting equipment hoisting device for radio and television engineering according to claim 2, characterized in that: The diameter of the positioning piece (18) is greater than the width of the avoidance groove (13).

5. The portable lighting equipment hoisting device for radio and television engineering according to claim 2, characterized in that: The fixing piece (16), the pin (17), and the positioning piece (18) are all made of metal materials.

6. The portable lighting equipment hoisting device for radio and television engineering according to claim 1, characterized in that: Anti-slip threads are provided on the outer wall of the fixed column (15).

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