Adjustable automatic lifting support for film shooting

Abstract

The invention discloses an adjustable automatic lifting support for film shooting, and relates to the field of shooting equipment, the adjustable automatic lifting support comprises a mounting pipe, the outer surface of the mounting pipe is fixedly connected with a first mounting ring, and the outer surface of the first mounting ring is rotatably connected with a plurality of first supporting rods; according to the adjustable automatic lifting support for film shooting, the threaded rod is driven to rotate through the driving mechanism, the threaded rod drives the first adjusting pipe to ascend and descend automatically, and when the first adjusting pipe conducts lifting adjustment, the first adjusting pipe drives the second adjusting pipe to conduct synchronous lifting adjustment through the first transmission mechanism; and the second adjusting pipe drives the shooting equipment on the fixing mechanism to move, so that rapid lifting adjustment of the shooting equipment is realized, automatic height adjustment of the shooting equipment during use is facilitated, rapid lifting movement of the shooting equipment can be realized during high height adjustment, and the shooting equipment is convenient to use. Therefore, different requirements of photographers are met.

Description

Technical Field

[0001] The invention relates to the technical field of shooting equipment, and in particular to an adjustable automatic lifting bracket for film shooting. Background Art

[0002] Movie shooting and TV program production all use professional cameras or movie cameras plus lenses and other accessories, which are relatively heavy, so they are often set up with the help of professional brackets for shooting. The camera bracket is generally composed of a tripod, a hydraulic pan head, a quick release plate and other structures. Although the camera bracket can well carry the shooting equipment for shooting at various angles, the existing movie shooting bracket still has the following shortcomings when used.

[0003] When the existing movie shooting bracket is in use, when the height of the shooting equipment needs to be adjusted, the bracket needs to be adjusted manually, which makes the adjustment difficult and the adjustment accuracy is low, which is inconvenient for users. At the same time, in some shooting, the bracket needs to quickly drive the shooting equipment to move up and down to achieve a certain shooting effect, but the current bracket cannot drive the shooting equipment to move up and down quickly, resulting in poor use effect. Summary of the invention

[0004] The object of the present invention is to provide an adjustable automatic lifting bracket for filming to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: an adjustable automatic lifting bracket for filming, comprising a mounting tube, a first mounting ring fixedly connected to the outer surface of the mounting tube, a plurality of first support rods rotatably connected to the outer surface of the first mounting ring, a second support rod rotatably connected to the outer surface of the first support rod, one end of the second support rod is rotatably connected to a second mounting ring slidably connected to the mounting tube, and a first fixing bolt is threadedly connected to the second mounting ring;

[0006] A lifting mechanism is slidably connected inside the installation tube, and the lifting mechanism is used to drive the shooting equipment to perform lifting and lowering adjustment.

[0007] Furthermore, the lifting mechanism includes a first adjusting tube slidably connected to the mounting tube, a second adjusting tube slidably connected inside the first adjusting tube, a first transmission mechanism connected to the second adjusting tube is arranged inside the first adjusting tube, the first transmission mechanism is used to drive the second adjusting tube to be lifted and lowered, a driving mechanism connected to the first adjusting tube is arranged inside the mounting tube, the driving mechanism is used to drive the first adjusting tube to be lifted and lowered, and a fixing mechanism is connected to the bottom end of the second adjusting tube, the fixing mechanism is used to fix the shooting equipment.

[0008] Furthermore, the lifting mechanism includes a first adjusting tube slidably connected to the mounting tube, a second adjusting tube is slidably connected inside the first adjusting tube, a first transmission mechanism connected to the second adjusting tube is arranged inside the first adjusting tube, the first transmission mechanism is used to drive the second adjusting tube to be lifted and lowered, a driving mechanism connected to the first adjusting tube is arranged inside the mounting tube, the driving mechanism is used to drive the first adjusting tube to be lifted and lowered, and a fixing mechanism is connected to the bottom end of the second adjusting tube, the fixing mechanism is used to fix the shooting equipment.

[0009] Furthermore, the driving mechanism includes a driving motor fixedly connected to the mounting tube, the output end of the driving motor is fixedly connected to the driving shaft via a coupling, the outer surface of the driving shaft is fixedly sleeved with a first gear, the outer surface of the first gear is meshingly connected with two second gears, and the middle of the second gear is fixedly sleeved with a threaded rod threadedly connected to the first adjusting tube.

[0010] Further, the first transmission mechanism includes two first mounting grooves on the mounting tube, a first transmission gear ring is fixedly connected in the first mounting groove, a second mounting groove is provided on the first adjusting tube, a transmission frame is rotatably connected to the first adjusting tube, a first transmission gear meshingly connected to the first transmission gear ring is rotatably connected in the transmission frame, a second transmission gear ring is meshingly connected to the outer surface of the first transmission gear, a transmission plate fixedly connected to the second adjusting tube is fixedly connected to one side of the second transmission gear ring, a second transmission mechanism connected to the first adjusting tube is connected to the inner surface of the transmission frame, and the second transmission mechanism is used to drive the transmission frame to rotate.

[0011] Furthermore, the second transmission mechanism includes an electric telescopic rod fixedly connected to the second adjusting tube, one end of the electric telescopic rod is fixedly connected to a transmission rack, one side of the transmission rack is meshedly connected to a second transmission gear, the middle of the second transmission gear is fixedly sleeved with a transmission shaft rotatably connected to the second adjusting tube, the outer surface of the transmission shaft is fixedly sleeved with two third transmission gears, and the outer surface of the third transmission gear is meshedly connected with a third transmission gear ring fixedly connected to the transmission frame.

[0012] Furthermore, the fixing mechanism comprises a fixing tube fixedly connected to the second adjusting tube, the outer surface of the fixing tube is threadedly connected with a second fixing bolt, and one end of the second fixing bolt is fixedly connected with a fixing block.

[0013] Furthermore, one end of the first support rod is fixedly connected to a mounting plate, and the bottom of the mounting plate is fixedly connected to a universal wheel.

[0014] Furthermore, a sliding groove is provided on the inner surface of the first adjusting tube, and a limiting block slidably connected to the sliding groove is fixedly connected to the outer surface of the second adjusting tube.

[0015] Compared with the prior art, the adjustable automatic lifting bracket for filming provided by the present invention has the following beneficial effects:

[0016] (1) The threaded rod is driven to rotate by a driving mechanism, and the threaded rod drives the first adjusting tube to automatically rise and fall. While the first adjusting tube is being raised and lowered, the first adjusting tube drives the second adjusting tube to be synchronously raised and lowered through the first transmission mechanism, and the second adjusting tube drives the shooting device on the fixing mechanism to move, thereby realizing rapid raising and lowering adjustment of the shooting device, facilitating automatic height adjustment of the shooting device when in use, and at the same time, when performing a high height adjustment, the shooting device can be quickly raised and lowered, thereby meeting the different needs of the photographer.

[0017] (2) When the photographing device is raised or lowered to a lower height, in order to reduce the wear of the gears inside the bracket and increase the service life of the bracket, the transmission frame is driven to rotate by the second transmission mechanism, and the transmission frame drives the first transmission gear to disengage from the second transmission gear ring, so that when the first adjustment tube 11 moves upward, it no longer drives the second adjustment tube 12 to move upward synchronously. At this time, the transmission plate on the second adjustment tube is supported by the bottom of the first adjustment tube, thereby driving the first adjustment tube and the second adjustment tube to move upward, adjusting the photographing device to a lower height, reducing the wear between the gears and the gear ring, and increasing the service life of the bracket.

[0018] (3) When the bracket is in use, the first support rod on the first mounting ring is rotated to open the first support rod on the first mounting ring, and at the same time, the first support rod drives the second support rod to rotate, and the second support rod drives the second mounting ring to slide downward on the mounting tube, thereby opening the first support rod. After opening, the second mounting ring is immediately fixed to the mounting tube by the first fixing bolt, thereby realizing the opening of the first support rod and the second support rod, and then the bracket is supported by the mounting plate and the universal wheel, and the universal wheel is used to facilitate the movement of the bracket, and then the shooting equipment is fixed on the lifting mechanism, and then the shooting equipment is driven by the lifting mechanism to automatically lift and lower, thereby realizing portable adjustment of the shooting equipment. When the bracket needs to be stored, the first fixing bolt on the second mounting ring is loosened, and then the first support rod is closed, thereby realizing portable storage of the bracket, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a first stereoscopic diagram of the external structure of the present invention;

[0021] Figure 2 A three-dimensional diagram of the external structure of the installation tube of the present invention;

[0022] Figure 3 A three-dimensional diagram of the internal structure of the installation tube of the present invention;

[0023] Figure 4 It is a first stereoscopic diagram of the external mechanism of the first transmission ring, the transmission frame, the transmission plate and the second adjustment tube of the present invention;

[0024] Figure 5 A second stereoscopic diagram of the external mechanism of the first transmission ring, the transmission frame, the transmission plate and the second adjustment tube of the present invention;

[0025] Figure 6 For the present invention Figure 3 A magnified view of middle;

[0026] Figure 7 For the present invention Figure 3 Enlarged view of middle B;

[0027] Figure 8 For the present invention Figure 4 Enlarged view of middle C;

[0028] Fig. 9 For the present invention Figure 5 Enlarged view of middle D;

[0029] Fig.10 This is a stereoscopic diagram of the external structure of the manual adjustment bracket of the present invention.

[0030] Description of reference numerals:

[0031] 1. Mounting tube; 2. First mounting ring; 3. First support rod; 4. Second support rod; 5. Second mounting ring; 6. First fixing bolt; 11. First adjusting tube; 12. Second adjusting tube; 21. Driving motor; 22. Driving shaft; 23. First gear; 24. Second gear; 25. Threaded rod; 31. First mounting slot; 32. First transmission gear ring; 33. Second mounting slot; 34. Transmission frame; 35. First transmission gear; 36. Second transmission gear ring; 37. Transmission plate; 41. Electric telescopic rod; 42. Transmission rack; 43. Second transmission gear; 44. Transmission shaft; 45. Third transmission gear; 46. Third transmission gear ring; 51. Fixing tube; 52. Second fixing bolt; 53. Fixing block; 61. Mounting plate; 62. Universal wheel. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] Embodiment 1

[0034] See also Figure 1-Figure 9 An adjustable automatic lifting bracket for filming includes a mounting tube 1, a first mounting ring 2 is fixedly connected to the outer surface of the mounting tube 1, a plurality of first support rods 3 are rotatably connected to the outer surface of the first support rod 2, a second support rod 4 is rotatably connected to the outer surface of the first support rod 3, one end of the second support rod 4 is rotatably connected to a second mounting ring 5 slidably connected to the mounting tube 1, and a first fixing bolt 6 is threadedly connected to the second mounting ring 5;

[0035] A lifting mechanism is slidably connected in the mounting tube 1, and the lifting mechanism is used to drive the shooting device to perform lifting and lowering adjustment. One end of the first support rod 3 is fixedly connected to a mounting plate 61, and the bottom of the mounting plate 61 is fixedly connected to a universal wheel 62.

[0036] When the bracket is in use, the first support rod 3 on the first mounting ring 2 is rotated to open the first support rod 3 on the first mounting ring 2, and the first support rod 3 drives the second support rod 4 to rotate, and the second support rod 4 drives the second mounting ring 5 to slide downward on the mounting tube 1, thereby opening the first support rod 3. After opening, the second mounting ring 5 is immediately fixed to the mounting tube 1 by the first fixing bolt 6, thereby realizing the opening of the first support rod 3 and the second support rod 4. Subsequently, the mounting plate 61 and the universal wheel 62 are used for support, and the universal wheel 62 is used to facilitate the movement of the bracket. Subsequently, the photographing equipment is fixed on the lifting mechanism, and then the photographing equipment is driven to automatically lift and lower by the lifting mechanism to realize the portable adjustment of the photographing equipment. When the bracket needs to be stored, the first fixing bolt 6 on the second mounting ring 5 is loosened, and then the first support rod 3 is closed, thereby realizing the portable storage of the bracket, which is convenient for users to use.

[0037] Embodiment 2

[0038] Based on Example 1, please refer to Figure 2-Figure 8 As shown, the lifting mechanism includes a first adjusting tube 11 slidably connected to the mounting tube 1, a second adjusting tube 12 is slidably connected inside the first adjusting tube 11, a first transmission mechanism connected to the second adjusting tube 12 is arranged inside the first adjusting tube 11, the first transmission mechanism is used to drive the second adjusting tube 12 to be lifted and lowered, a driving mechanism connected to the first adjusting tube 11 is arranged inside the mounting tube 1, the driving mechanism is used to drive the first adjusting tube 11 to be lifted and lowered, and a fixing mechanism is connected to the bottom end of the second adjusting tube 12, the fixing mechanism is used to fix the shooting equipment.

[0039] A sliding groove is formed on the inner surface of the first adjusting tube 11 , and a limiting block slidably connected to the sliding groove is fixedly connected to the outer surface of the second adjusting tube 12 .

[0040] The driving mechanism includes a driving motor 21 fixedly connected to the mounting tube 1. The driving motor 21 is controlled by a PLC programming program, and can be controlled to rotate forward and reverse and rotate at an angle. The output end of the driving motor 21 is fixedly connected to a driving shaft 22 through a coupling. A first gear 23 is fixedly sleeved on the outer surface of the driving shaft 22. Two second gears 24 are meshingly connected to the outer surface of the first gear 23. A threaded rod 25 threadedly connected to the first adjusting tube 11 is fixedly sleeved in the middle of the second gear 24.

[0041] The driving motor 21 drives the driving shaft 22 to rotate, and the driving shaft 22 drives the threaded rod 25 to rotate forward and reverse through the first gear 23 and the second gear 24.

[0042] The first transmission mechanism includes two first mounting grooves 31 provided on the mounting tube 1, a first transmission gear ring 32 is fixedly connected in the first mounting groove 31, a second mounting groove 33 is provided on the first adjusting tube 11, a transmission frame 34 is rotatably connected to the first adjusting tube 11, a first transmission gear 35 meshingly connected to the first transmission gear ring 32 is rotatably connected in the transmission frame 34, a second transmission gear ring 36 is meshingly connected to the outer surface of the first transmission gear 35, a transmission plate 37 fixedly connected to the second adjusting tube 12 is fixedly connected to one side of the second transmission gear ring 36, a second transmission mechanism connected to the first adjusting tube 11 is connected to the inner surface of the transmission frame 34, and the second transmission mechanism is used to drive the transmission frame 34 to rotate.

[0043] The photographing device is fixedly mounted on the fixing device, and then the threaded rod 25 is driven to rotate by the driving mechanism, and the threaded rod 25 drives the first adjusting tube 11 to move upward. At this time, the first adjusting tube 11 moves upward. While the first adjusting tube 11 moves upward, the first adjusting tube 11 drives the transmission frame 34 to move upward. At this time, the first transmission gear ring 32 on the mounting tube 1 drives the first transmission gear 35 to rotate, and the first transmission gear 35 drives the second transmission gear ring 36 on the transmission plate 37 to move upward. The second transmission gear ring 36 drives the transmission plate 37 and the second adjusting tube 12 to move upward synchronously, so that the first adjusting tube 11 and the second adjusting tube 12 move upward at the same time, and the second adjusting tube 12 drives the fixing mechanism and the photographing device to move upward, thereby realizing the rapid upward movement of the photographing device. When the driving mechanism drives the threaded rod 25 to rotate in the opposite direction, it is rapidly lowered, thereby realizing the rapid lifting and lowering adjustment of the photographing device, which is convenient for the photographing device to automatically adjust its height when in use. At the same time, when a higher height adjustment is performed, the photographing device can be rapidly lifted and lowered, thereby meeting the different needs of the photographer.

[0044] Embodiment 3

[0045] For the technology of Example 2, please refer to Figure 3 , Figure 4 , Figure 5 , Figure 8 and Fig. 9 As shown, the second transmission mechanism includes an electric telescopic rod 41 fixedly connected to the second adjusting tube 12, one end of the electric telescopic rod 41 is fixedly connected to a transmission rack 42, one side of the transmission rack 42 is meshedly connected to a second transmission gear 43, the middle of the second transmission gear 43 is fixedly sleeved with a transmission shaft 44 rotatably connected to the second adjusting tube 12, the outer surface of the transmission shaft 44 is fixedly sleeved with two third transmission gears 45, and the outer surface of the third transmission gear 45 is meshedly connected to a third transmission gear ring 46 fixedly connected to the transmission frame 34.

[0046] When the photographing device is raised and lowered to a lower height, in order to reduce the wear of the gears inside the bracket and increase the service life of the bracket, the electric telescopic rod 41 can be used to drive the transmission rack 42 to move, the transmission rack 42 drives the second transmission gear 43 to rotate, the second transmission gear 43 drives the transmission shaft 44 to rotate, the transmission shaft 44 drives the two third transmission gears 45 to rotate, the third transmission gear 45 drives the third transmission gear ring 46 and the transmission frame 34 to rotate, the transmission frame 34 drives the first transmission gear 35 to rotate, and the first transmission gear 35 slides in the first transmission gear ring 32 and the second transmission gear ring 36, so that the first transmission gear 35 is separated from the second transmission gear ring 36 on the transmission plate 37. At this time, when the first adjustment tube 11 moves upward, it no longer drives the second adjustment tube 12 to move upward synchronously. At this time, the transmission plate 37 on the second adjustment tube 12 is supported by the bottom of the first adjustment tube 11, thereby driving the first adjustment tube 11 and the second adjustment tube 12 to move upward, adjusting the photographing device to a lower height, reducing the wear between the gears and the gear rings, and increasing the service life of the bracket.

[0047] The fixing mechanism includes a fixing pipe 51 fixedly connected to the second adjusting pipe 12 , a second fixing bolt 52 is threadedly connected to the outer surface of the fixing pipe 51 , and a fixing block 53 is fixedly connected to one end of the second fixing bolt 52 .

[0048] The mounting post of the photographing device is inserted into the fixing tube 51 and then the second fixing bolt 52 is rotated so that the mounting post is fixed by the second fixing bolt 52 , thereby fixing the photographing device.

[0049] Embodiment 4

[0050] Based on Example 1, please refer to Fig.10As shown, it includes a mounting tube 1, the outer surface of which is fixedly connected to a first mounting ring 2, the outer surface of the first mounting ring 2 is rotatably connected to a plurality of first support rods 3, the outer surface of the first support rod 3 is rotatably connected to a second support rod 4, one end of the second support rod 4 is rotatably connected to a second mounting ring 5 slidably connected to the mounting tube 1, the second mounting ring 5 is threadedly connected to a first fixing bolt 6, a first adjusting tube 11 is slidably connected inside the mounting tube 1, a second adjusting tube 12 is slidably connected inside the first adjusting tube 11, a plurality of adjusting holes 71 are provided in the first adjusting tube 11 and the second adjusting tube 12, the first adjusting tube 11 and the second adjusting tube 12 are both fixedly connected to a bayonet 72 slidably connected to the adjusting hole by a rope, and the second adjusting tube 12 is fixedly connected to a fixing mechanism.

[0051] The height of the bracket can be manually raised or lowered by fixing the shooting device on the second adjusting tube 12, then moving the second adjusting tube 12 upward, inserting the pin 71 into the adjusting hole 72 on the second adjusting tube 12 to fix it, then moving the first adjusting tube 11 upward to adjust the height, and then fixing it by inserting the pin 72 into the adjusting hole 72 on the first adjusting tube 11.

[0052] When the bracket is in use, the first support rod 3 on the first mounting ring 2 is rotated to open the first support rod 3 on the first mounting ring 2, and the first support rod 3 drives the second support rod 4 to rotate, and the second support rod 4 drives the second mounting ring 5 to slide downward on the mounting tube 1, thereby opening the first support rod 3. After opening, the second mounting ring 5 is immediately fixed to the mounting tube 1 by the first fixing bolt 6, thereby realizing the opening of the first support rod 3 and the second support rod 4, and then the mounting plate 61 and the universal wheel 62 are used for support, and the universal wheel 62 is used to facilitate the movement of the bracket, and then the shooting equipment is fixed on the lifting mechanism, and then the shooting equipment is driven to automatically lift and lower by the lifting mechanism to realize the portable adjustment of the shooting equipment. When the bracket needs to be stored, the first fixing bolt 6 on the second mounting ring 5 is loosened, and then the first support rod 3 is closed, thereby realizing the portable storage of the bracket, which is convenient for users to use.

[0053] The photographing device is fixedly mounted on the fixing device, and then the threaded rod 25 is driven to rotate by the driving mechanism, and the threaded rod 25 drives the first adjusting tube 11 to move upward. At this time, the first adjusting tube 11 moves upward. While the first adjusting tube 11 moves upward, the first adjusting tube 11 drives the transmission frame 34 to move upward. At this time, the first transmission gear ring 32 on the mounting tube 1 drives the first transmission gear 35 to rotate, and the first transmission gear 35 drives the second transmission gear ring 36 on the transmission plate 37 to move upward. The second transmission gear ring 36 drives the transmission plate 37 and the second adjusting tube 12 to move upward synchronously, so that the first adjusting tube 11 and the second adjusting tube 12 move upward at the same time, and the second adjusting tube 12 drives the fixing mechanism and the photographing device to move upward, thereby realizing the rapid upward movement of the photographing device. When the driving mechanism drives the threaded rod 25 to rotate in the opposite direction, it is rapidly lowered, thereby realizing the rapid lifting and lowering adjustment of the photographing device, which is convenient for the photographing device to automatically adjust its height when in use. At the same time, when a higher height adjustment is performed, the photographing device can be rapidly lifted and lowered, thereby meeting the different needs of the photographer.

[0054] When the photographing device is raised and lowered to a lower height, in order to reduce the wear of the gears inside the bracket and increase the service life of the bracket, the electric telescopic rod 41 can be used to drive the transmission rack 42 to move, the transmission rack 42 drives the second transmission gear 43 to rotate, the second transmission gear 43 drives the transmission shaft 44 to rotate, the transmission shaft 44 drives the two third transmission gears 45 to rotate, the third transmission gear 45 drives the third transmission gear ring 46 and the transmission frame 34 to rotate, the transmission frame 34 drives the first transmission gear 35 to rotate, and the first transmission gear 35 slides in the first transmission gear ring 32 and the second transmission gear ring 36, so that the first transmission gear 35 is separated from the second transmission gear ring 36 on the transmission plate 37. At this time, when the first adjustment tube 11 moves upward, it no longer drives the second adjustment tube 12 to move upward synchronously. At this time, the transmission plate 37 on the second adjustment tube 12 is supported by the bottom of the first adjustment tube 11, thereby driving the first adjustment tube 11 and the second adjustment tube 12 to move upward, adjusting the photographing device to a lower height, reducing the wear between the gears and the gear rings, and increasing the service life of the bracket.

[0055] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An adjustable automatic lifting bracket for filming, comprising a mounting tube (1), characterized in that: The outer surface of the mounting tube (1) is fixedly connected to a first mounting ring (2), the outer surface of the first mounting ring (2) is rotatably connected to a plurality of first support rods (3), the outer surface of the first support rod (3) is rotatably connected to a second support rod (4), one end of the second support rod (4) is rotatably connected to a second mounting ring (5) slidably connected to the mounting tube (1), and the second mounting ring (5) is threadedly connected to a first fixing bolt (6); A lifting mechanism is slidably connected inside the installation tube (1), and the lifting mechanism is used to drive the shooting equipment to perform lifting and lowering adjustments.

2. The adjustable automatic lifting bracket for filming according to claim 1, characterized in that: The lifting mechanism comprises a first adjusting tube (11) slidably connected to the mounting tube (1); a second adjusting tube (12) is slidably connected inside the first adjusting tube (11); a first transmission mechanism connected to the second adjusting tube (12) is arranged inside the first adjusting tube (11); the first transmission mechanism is used to drive the second adjusting tube (12) to be lifted and lowered; a driving mechanism connected to the first adjusting tube (11) is arranged inside the mounting tube (1); the driving mechanism is used to drive the first adjusting tube (11) to be lifted and lowered; a fixing mechanism is connected to the bottom end of the second adjusting tube (12); the fixing mechanism is used to fix the shooting device.

3. The adjustable automatic lifting bracket for filming according to claim 2, characterized in that: The driving mechanism comprises a driving motor (21) fixedly connected to the mounting tube (1); the output end of the driving motor (21) is fixedly connected to a driving shaft (22) via a coupling; a first gear (23) is fixedly sleeved on the outer surface of the driving shaft (22); two second gears (24) are meshingly connected to the outer surface of the first gear (23); a threaded rod (25) threadedly connected to the first adjusting tube (11) is fixedly sleeved in the middle of the second gear (24).

4. The adjustable automatic lifting bracket for filming according to claim 2, characterized in that: The first transmission mechanism comprises two first mounting grooves (31) provided on the mounting tube (1), a first transmission gear ring (32) being fixedly connected in the first mounting grooves (31), a second mounting groove (33) being provided on the first adjusting tube (11), a transmission frame (34) being rotatably connected to the first adjusting tube (11), a first transmission gear (35) meshingly connected with the first transmission gear ring (32) being rotatably connected in the transmission frame (34), a second transmission gear ring (36) being meshingly connected on the outer surface of the first transmission gear (35), a transmission plate (37) fixedly connected with the second adjusting tube (12) being fixedly connected on one side of the second transmission gear ring (36), a second transmission mechanism connected with the first adjusting tube (11) being connected on the inner surface of the transmission frame (34), the second transmission mechanism being used for driving the transmission frame (34) to rotate.

5. The adjustable automatic lifting bracket for filming according to claim 4, characterized in that: The second transmission mechanism comprises an electric telescopic rod (41) fixedly connected to the second adjustment tube (12); one end of the electric telescopic rod (41) is fixedly connected to a transmission rack (42); one side of the transmission rack (42) is meshingly connected to a second transmission gear (43); a transmission shaft (44) rotatably connected to the second adjustment tube (12) is fixedly sleeved in the middle of the second transmission gear (43); two third transmission gears (45) are fixedly sleeved on the outer surface of the transmission shaft (44); and the outer surface of the third transmission gear (45) is meshingly connected to a third transmission gear ring (46) fixedly connected to the transmission frame (34).

6. The adjustable automatic lifting bracket for filming according to claim 2, characterized in that: The fixing mechanism comprises a fixing tube (51) fixedly connected to the second adjusting tube (12); a second fixing bolt (52) is threadedly connected to the outer surface of the fixing tube (51); and one end of the second fixing bolt (52) is fixedly connected to a fixing block (53).

7. The adjustable automatic lifting bracket for filming according to claim 1, characterized in that: One end of the first support rod (3) is fixedly connected to a mounting plate (61), and the bottom of the mounting plate (61) is fixedly connected to a universal wheel (62).

8. The adjustable automatic lifting bracket for filming according to claim 1, characterized in that: A sliding groove is provided on the inner surface of the first adjusting tube (11), and a limiting block slidably connected to the sliding groove is fixedly connected to the outer surface of the second adjusting tube (12).

Images