Film and television lifting translation type suspender

Abstract

The utility model relates to the technical field of film and television equipment, and discloses a film and television lifting translation type suspender which comprises a connecting rod and movable rods fixedly installed at the two ends of the connecting rod. When rotating, the gear shaft is matched with a rack plate arranged in the adjusting rod to drive the adjusting rod to be pushed upwards, at the moment, the connecting rod in the middle can be lifted to adjust the height, when the height is adjusted through the motors, only the motor on one side can be started, the motors on the two sides can be alternately used, the overall service life of the device is longer, and when lifting is carried out, the device is convenient to operate. When the film and television lifting translation type suspender is used, the whole device can be driven by the motor to be lifted and the height can be adjusted, and when the height is adjusted, the pulleys facilitating movement of the device are automatically stored, so that the device is convenient to move, and the device is convenient to move. And the device is adjusted to be in a state inconvenient to move.

Description

Technical Field

[0001] This utility model relates to the field of film and television equipment technology, specifically to a film and television lifting and sliding hoist. Background Technology

[0002] During the filming of performances on various stages or in theaters, stage curtains are an indispensable piece of equipment on stages of all types, including theaters, cinemas, auditoriums, clubs, and studios. They serve to decorate the stage and enhance the performance effect. The curtains widely used on stage mainly include main stage curtains, second curtains, third curtains, eaves curtains, side curtains, gauze curtains, cyclorama curtains, sound-absorbing curtains, stacked curtains, side curtains, and fireproof safety curtains.

[0003] Most existing screens are fixed and inconvenient to move during use. When they can be moved, they are moved by pulleys. However, when they are moved to the actual position, the pulleys need to be limited before further movement can be carried out. Otherwise, they are prone to sliding and shifting during use, which is inconvenient in actual use. Utility Model Content

[0004] The purpose of this utility model is to provide a film and television lifting and sliding hoist to solve the problems mentioned in the background art, which are that most existing screens are fixed and inconvenient to move during use. When they can be moved, they are moved by pulleys, but when they are moved to the actual position, the pulleys need to be limited before they can be moved. Otherwise, they are prone to sliding and deviating during use, which causes certain inconveniences in actual use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a film and television lifting and sliding hoist, comprising a connecting rod and movable rods fixedly installed at both ends of the connecting rod. Adjusting rods are slidably installed at both ends of the connecting rod, and the adjusting rods are slidably connected to the movable rods. Motors are fixedly installed at both ends of the connecting rod, and a gear shaft is fixedly installed at the output end of the motor. Connecting groove one is provided on each side wall of the movable rod, and connecting groove two is provided inside each adjusting rod. A rack plate is fixedly installed on one inner wall of each connecting groove two, and the gear shaft meshes with the rack plate. The gear shaft is slidably connected within the connecting groove one. A pulley is fixedly installed at the lower end of the adjusting rod, and the pulley is slidably connected within the movable rod.

[0006] Preferably, a connecting block is fixedly installed at one end of the gear shaft, a connecting rod is rotatably installed inside the connecting block, and a movable block is fixedly installed at one end of the connecting rod.

[0007] Preferably, a plurality of locking blocks are fixedly installed at equal intervals on both sides of the movable rod, and the two ends of the movable block are slidably connected within the locking blocks.

[0008] Preferably, a fixing plate is fixedly installed on both side walls of the adjusting rod, and a spring is fixedly installed on the lower ends of both sides of the fixing plate. An inclined block is fixedly installed on one end of the spring on the same side.

[0009] Preferably, a balance block is slidably installed on both sides of the lower end of the movable rod, and an inclined groove is opened in the middle of the balance block, and the inclined block is slidably connected in the inclined groove.

[0010] Preferably, the balance block has mounting grooves on both side walls, and a spring is fixedly installed between the side wall of the mounting groove and the inner wall of the movable rod.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. When using this device for lifting and lowering, the motor drives the gear shaft to rotate. When the gear shaft rotates, it cooperates with the rack plate inside the adjusting rod to push the adjusting rod upward. At this time, the middle connecting rod can be raised and the height adjusted. When adjusting the height by the motor, only one side of the motor can be started, and the two motors can be used alternately, which extends the overall service life of the device. When lifting, the pulley at the lower end is retracted into the moving rod, so that the entire device is in an immobile state to prevent slippage. When using this film and television lifting and sliding boom, the motor drives the entire device to be raised and the height is adjusted. When adjusting the height, the pulley that facilitates the movement of the device is automatically retracted, so that the device is adjusted to an immobile state.

[0013] 2. With the cooperation of the balance block, inclined groove, mounting groove, spring 2, fixed plate, inclined block, spring 1, movable block, connecting rod and locking block, the device can be lifted by the motor drive device when in use. When it is lifted to a certain height, the balance blocks on the inner side walls of both sides of the movable rod can be automatically pushed outward to increase the contact area between the movable rod and the ground. When it is not necessary to lift, it is stored inside the movable rod and can be automatically adjusted. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall cross-sectional three-dimensional structure of this utility model;

[0016] Figure 3 This is a three-dimensional cross-sectional view of the movable rod system of this utility model;

[0017] Figure 4 For the present utility model Figure 2 Enlarged 3D structural diagram at point A.

[0018] In the diagram: 1. Connecting rod; 2. Movable rod; 21. Connecting slot one; 22. Balance block; 23. Inclined groove; 24. Mounting groove; 25. Spring two; 3. Motor; 31. Gear shaft; 32. Connecting block; 4. Adjusting rod; 41. Connecting slot two; 42. Rack plate; 43. Fixing plate; 44. Inclined block; 45. Spring one; 5. Pulley; 6. Movable block; 61. Connecting rod; 7. Locking block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1: Please refer to Figure 1 - Figure 3 The film and television lifting and sliding hoist includes a connecting rod 1 and a movable rod 2 fixedly installed at both ends of the connecting rod 1. Adjusting rods 4 are slidably installed at both ends of the connecting rod 1 and are slidably connected to the movable rod 2. Motors 3 are fixedly installed at both ends of the connecting rod 1, and gear shafts 31 are fixedly installed at the output ends of the motors 3. Connecting grooves 21 are provided on both sides of the movable rod 2. Connecting grooves 41 are provided inside the adjusting rod 4. A rack plate 42 is fixedly installed on one side of the inner wall of the connecting groove 41. The gear shaft 31 meshes with the rack plate 42 and is slidably connected in the connecting groove 21. A pulley 5 is fixedly installed at the lower end of the adjusting rod 4 and is slidably connected in the movable rod 2.

[0021] In this embodiment: When using the device for lifting and lowering, the motor 3 drives the gear shaft 31 to rotate. When the gear shaft 31 rotates, it cooperates with the rack plate 42 set inside the adjusting rod 4 to push the adjusting rod 4 upward. At this time, the middle connecting rod 1 can be lifted and the height adjusted. When adjusting the height by the motor 3, only one side of the motor 3 can be started. The two motors 3 can be used alternately, which extends the overall service life of the device. When lifting, the lower pulley 5 is retracted into the interior of the movable rod 2. At this time, the entire device is in an inconvenient state to move, preventing slippage. When using this film and television lifting and sliding boom, the motor 3 can drive the entire device to be lifted and the height adjusted. When adjusting the height, the pulley 5 that facilitates the movement of the device is automatically retracted, so that the device is adjusted to an inconvenient state to move.

[0022] Example 2: This example is an improvement on Example 1. For details, please refer to [link / reference]. Figure 2 - Figure 4A connecting block 32 is fixedly installed at one end of the gear shaft 31. A connecting rod 61 is rotatably installed inside the connecting block 32. A movable block 6 is fixedly installed at one end of the connecting rod 61. The movable block 6 can slide along the connecting block 32 through the connecting rod 61.

[0023] Several locking blocks 7 are fixedly installed at equal intervals on both sides of the movable rod 2. The two ends of the movable block 6 are slidably connected in the locking block 7. The movable block 6 and the locking block 7 can cooperate to fix and limit the movement between the movable rod 2 and the adjusting rod 4.

[0024] A fixing plate 43 is fixedly installed on both sides of the adjusting rod 4. A spring 45 is fixedly installed on the lower end of both sides of the fixing plate 43. A wedge block 44 is fixedly installed on one end of the spring 45 on the same side. When the adjusting rod 4 moves, it can drive the wedge block 44 to move closer to the lower inner wall of the movable rod 2.

[0025] Balance blocks 22 are slidably installed on both sides of the lower end of the movable rod 2. An inclined groove 23 is opened in the middle of the balance block 22. An inclined block 44 is slidably connected in the inclined groove 23. The inclined block 44 and the inclined groove 23 cooperate to push the balance block 22 outward.

[0026] The balance block 22 has mounting grooves 24 on both sides of its sidewalls. A second spring 25 is fixedly installed between the sidewall of the mounting groove 24 and the inner wall of the movable rod 2. The second spring 25 is set so that the balance block 22 is stored inside the movable rod 2 in the initial state.

[0027] In this embodiment: when adjusting the height of the device using motor 3, first pull the movable blocks 6 on both sides outward until they slide out of the locking block 7. At this time, one side of motor 3 can be started. When motor 3 starts and lifts the entire device, it drives the internal adjusting rod 4 to slide along the movable rod 2. During the sliding, the inclined block 44 inside the adjusting rod 4 contacts the balance block 22 at the lower end of the movable rod 2. When in contact, the inclined block 44 cooperates with the inclined groove 23 to push the balance block 22 outward. At this time, during the lifting process of the device, the balance blocks 22 on both sides of the movable rod 2 automatically... Sliding outwards, it provides support for both sides of the movable rod 2. When adjusted to a suitable height by the motor 3, the movable block 6 can be pushed and slid into the locking block 7 to complete the fixed limit between the movable rod 2 and the adjusting rod 4. When in use, the device can be lifted by the motor 3 driving device. When lifted to a certain height, the balance blocks 22 on the inner side walls of both sides of the movable rod 2 can be automatically pushed outwards to increase the contact area between the movable rod 2 and the ground. When it is not necessary to lift, it can be stored inside the movable rod 2 for automatic adjustment.

[0028] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A film and television lifting and sliding hoist, comprising a connecting rod (1) and movable rods (2) fixedly installed at both ends of the connecting rod (1), wherein adjusting rods (4) are slidably installed at both ends of the connecting rod (1), and the adjusting rods (4) are slidably connected to the movable rods (2), characterized in that: Both ends of the connecting rod (1) are fixedly installed with motors (3), and the output end of the motor (3) is fixedly installed with a gear shaft (31). Both sides of the movable rod (2) are provided with connecting groove 1 (21), and the inside of the adjusting rod (4) is provided with connecting groove 2 (41). One side of the inner wall of the connecting groove 2 (41) is fixedly installed with a rack plate (42). The gear shaft (31) meshes with the rack plate (42). The gear shaft (31) is slidably connected in the connecting groove 1 (21). The lower end of the adjusting rod (4) is fixedly installed with a pulley (5), and the pulley (5) is slidably connected in the movable rod (2).

2. The television counterweight dolly of claim 1, wherein: A connecting block (32) is fixedly installed at one end of the gear shaft (31), and a connecting rod (61) is rotatably installed inside the connecting block (32). A movable block (6) is fixedly installed at one end of the connecting rod (61).

3. The television counterweight dolly of claim 2, wherein: Several locking blocks (7) are fixedly installed at equal intervals on both sides of the movable rod (2), and the two ends of the movable block (6) are slidably connected in the locking blocks (7).

4. The television counterweight dolly of claim 3, wherein: The adjusting rod (4) has a fixing plate (43) fixedly installed on both sides of its sidewalls. A spring (45) is fixedly installed on the lower ends of both sides of the fixing plate (43). A wedge (44) is fixedly installed on one end of the spring (45) on the same side.

5. The television counterweight and translation boom of claim 4 wherein: The lower ends of the movable rod (2) are slidably mounted with balance blocks (22) on both sides. Each balance block (22) has a groove (23) in the middle. The inclined block (44) is slidably connected in the groove (23).

6. The television counterweight and translation boom of claim 5, wherein: The balance block (22) has mounting grooves (24) on both sides of its sidewalls. A spring (25) is fixedly installed between the sidewall of the mounting groove (24) and the inner wall of the movable rod (2).

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