Photographic stand capable of independently adjusting height of both feet and method of using the same

Abstract

The present invention discloses a photography stand capable of independently adjusting the height of both feet and a method for using the same, comprising a first lifting assembly, a first frame, a first slide groove, a second frame, a first mounting seat, a first electric telescopic rod, a second lifting assembly and a guardrail assembly; the method for using the stand comprises step one, adjusting the height of the armrest; step two, adjusting the overall height; step three, adjusting the height of a single leg; step four, taking an X-ray film; and step five, resetting after inspection; the present invention is designed with a first lifting assembly, which can lift the entire device so that the universal wheels are off the ground, thereby avoiding unnecessary movement of the device during use and improving the safety of the device; the present invention is designed with a second lifting assembly, which can lift and lower the support plate separately to different heights, and is suitable for people with different leg lengths; the guardrail assembly of the present invention is designed with an armrest capable of quickly adjusting the height, which is more convenient and firm to use than the existing armrest.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, in particular to a photography stand capable of independently adjusting the height of two feet and a use method thereof. Background Art

[0002] A photography stand, also known as a film stand, is a device used to assist in taking X-rays. Existing photography stands have a low degree of automation and poor applicability, and are unable to accurately adjust the height of the tabletop according to the different lengths of the patient's legs. Existing photography stands are easy to move during use due to the movable wheels designed at the bottom, which poses certain safety hazards. Most of the armrests of existing photography stands are welded and fixed, and the height cannot be adjusted, so they cannot meet the needs of people of different heights. Other armrests are fixed by adjustable screws and can adjust the height, but are cumbersome to use and are not firm enough, resulting in inconvenience in use. Summary of the invention

[0003] The object of the present invention is to provide a photography stand with independently adjustable heights of both legs and a method of using the same, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photography stand with independently adjustable heights of both feet, comprising a first lifting assembly, wherein the first lifting assembly comprises a first frame body, two first support rods are rotatably connected to the first frame body, a second support rod is rotatably connected to the first support rod, and one end of the second support rod is slidably connected to the first frame body, a second frame body is provided at the top end of the first frame body, and the other end of the second support rod is rotatably connected to the second frame body, a first electric telescopic rod is installed on the second frame body, an output end of the first electric telescopic rod is sleeved with a first connecting shaft, and the first connecting shaft is slidably connected to the second frame body, the other end of the first support rod is rotatably connected to the first connecting shaft, a guardrail assembly is installed on the first frame body, and two second lifting assemblies are installed on the second frame body.

[0005] Preferably, a first sliding groove is opened on the outer walls on both sides of the first frame body, and one end of the second support rod is slidably connected to the inside of the first sliding groove; a second sliding groove is opened on the outer walls on both sides of the second frame body, and both ends of the first connecting shaft are respectively slidably connected to the inside of the second sliding groove.

[0006] Preferably, a first mounting seat is fixedly connected to an inner wall of one side of the second frame, and the first electric telescopic rod is hinged to the first mounting seat.

[0007] Preferably, the second frame is fixedly connected with universal wheels, and the number of the universal wheels is four, and the upper surface of the second frame is fixedly connected with a scale.

[0008] Preferably, the second lifting assembly includes a connecting plate, a connecting plate fixedly connected to the second frame body, a second mounting seat fixedly connected to the outer walls on both sides of the connecting plate, a second electric telescopic rod hinged on the second mounting seat, an output end of the second electric telescopic rod is sleeved with a second connecting shaft, a third sliding groove is opened on the outer walls on both sides of the second frame body, and two ends of the second connecting shaft are respectively slidably connected to the inside of the third sliding groove, two ends of the second connecting shaft are rotatably connected to the third support rod, the third support rod is rotatably connected to the fourth support rod, and one end of the fourth support rod is rotatably connected to the second frame body, two third frame bodies are arranged on the top of the second frame body, and the other end of the third support rod is rotatably connected to the third frame body, fourth sliding grooves are opened on the outer walls on both sides of the third frame body, and the other end of the fourth support rod is slidably connected to the inside of the fourth sliding groove, and the upper surface of the third frame body is fixedly connected to the support plate.

[0009] Preferably, the guardrail assembly includes a guardrail body, a guardrail body is fixedly connected to the outer walls of both sides of the first frame body, a handrail is installed on the guardrail body, two ends of the handrail are fixedly connected to sliding sleeves, and the sliding sleeves are slidably connected to the guardrail body, a fifth sliding groove is provided inside the handrail, a sliding block is slidably connected to the inner wall of the fifth sliding groove, a spring is fixedly connected to the outer wall of one side of the sliding groove, and one end of the spring is fixedly connected to the inner wall of the fifth sliding groove, a sixth sliding groove is provided on the upper surface of the handrail, and the sixth sliding groove passes through the interior of the fifth sliding groove, a push block is slidably connected to the inner wall of the sixth sliding groove, and the push block is fixedly connected to the upper surface of the sliding block, a connecting rod is fixedly connected to the outer wall of one side of the sliding groove, one end of the connecting rod is fixedly connected to a card block, and the card block is slidably connected to the inner wall of the fifth sliding groove, and a mounting groove is provided on the guardrail body, a rack is fixedly connected to the inner wall of the mounting groove, and the card block is snap-connected to the outer wall of one side of the rack.

[0010] Preferably, a controller and a transparent back panel are installed on the guardrail assembly, and the controller and the transparent back panel are fixedly connected to the guardrail body, a circuit board is arranged inside the controller, a data processing module, a display module, a control module and a signal transceiver module are fixedly connected on the circuit board, and the data processing module is respectively connected to the display module, the control module and the signal transceiver module through signal lines, and the signal transceiver module is respectively connected to the first electric telescopic rod and the second electric telescopic rod through signal lines.

[0011] A method for using a photography stand capable of independently adjusting the height of both feet, comprising step 1, adjusting the height of the armrest; step 2, adjusting the overall height; step 3, adjusting the height of a single leg; step 4, taking an X-ray film; and step 5, resetting after the examination is completed.

[0012] In the above step 1, the user first stands on the support plate, slides the push blocks, and pushes the armrests up and down to make them flush with the shoulders, and then releases the push blocks;

[0013] In the above step 2, the user holds the handrail tightly, and the medical staff controls the first electric telescopic rod to start through the controller, and lifts the second frame upward to the required height;

[0014] In the above step 3, the medical staff controls the second electric telescopic rod to start through the controller, respectively adjusts the height of the two support boards, and directly reads the height data through the scale, so that the user can stand steadily on the support board;

[0015] In the above step 4, the medical staff uses an X-ray machine to take an X-ray film;

[0016] In the above step 5, after the shooting is completed, the medical staff controls the first electric telescopic rod and the second electric telescopic rod to reset through the controller, and the user can leave the support board.

[0017] Preferably, in step 2, a plurality of buttons are provided on the controller, which are connected to the control module, and the button functions include controlling the lifting of the second frame, separately controlling the lifting of the third frame, and controlling the resetting of the second frame and the third frame with one button; a signal line interface is provided on the controller, which is connected to the signal transceiver module, and the controller can be connected to the X-ray machine and the computer through the signal line, and remote control of the device can be achieved through the computer.

[0018] Preferably, in step five, the maximum stroke of the first electric telescopic rod is 32 cm, the maximum stroke of the second electric telescopic rod is 20 cm, and the maximum load-bearing capacity of the support plate is 200 kg.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is designed with a first lifting component, which can lift the entire device to make the universal wheel off the ground, thereby avoiding unnecessary movement of the device during use and improving the safety of the device; the present invention is designed with a second lifting component, which can separate and lift the support plate to different heights, suitable for people with different leg lengths; the guardrail assembly of the present invention is designed with a handrail with quickly adjustable height, which is more convenient and firm to use than the existing handrails. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view of the overall three-dimensional structure of the present invention;

[0021] Figure 2 for Figure 1 A magnified view of the structure in the middle A area;

[0022] Figure 3 for Figure 1 A magnified view of the structure in the middle B area;

[0023] Figure 4 It is a schematic diagram of the overall main structure of the present invention;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the first lifting assembly of the present invention;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the second lifting assembly of the present invention;

[0026] Figure 7 It is a schematic diagram of the cutaway structure of the handrail of the present invention from a side view;

[0027] Figure 8 It is a module block diagram of the present invention;

[0028] Fig. 9 is a control flow chart of the controller of the present invention;

[0029] Fig.10 is a flow chart of the method of the present invention;

[0030] In the figure: 1, first lifting assembly; 10, first frame; 11, first slide; 12, second frame; 13, first mounting seat; 14, first electric telescopic rod; 15, first connecting shaft; 16, second slide; 17, first support rod; 18, second support rod; 2, second lifting assembly; 20, connecting plate; 21, second mounting seat; 22, second electric telescopic rod; 23, second connecting shaft; 24, third slide; 25, third support rod; 26, third frame; 27, fourth support rod; 28. Fourth slide slot; 29. ​​Support plate; 3. Guardrail assembly; 30. Guardrail body; 31. Mounting slot; 32. Rack; 33. Handrail; 34. Fifth slide slot; 35. Slider; 36. Spring; 37. Push block; 38. Sixth slide slot; 39. Connecting rod; 310. Block; 311. Sleeve; 4. Controller; 40. Circuit board; 41. Data processing module; 42. Display module; 43. Control module; 44. Signal transceiver module; 5. Universal wheel; 6. Scale; 7. Transparent back panel. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-8The present invention provides an embodiment: a photography stand capable of independently adjusting the height of two feet, comprising a first lifting assembly 1, the first lifting assembly 1 comprising a first frame 10, two first support rods 17 are rotatably connected to the first frame 10, a second support rod 18 is rotatably connected to the first support rod 17, and one end of the second support rod 18 is slidably connected to the first frame 10, a second frame 12 is arranged at the top of the first frame 10, and the other end of the second support rod 18 is rotatably connected to the second frame 12, a first electric telescopic rod 14 is installed on the second frame 12, and the output end of the first electric telescopic rod 14 is sleeved with a first connecting rod. The first frame 10 is provided with a first connecting shaft 15, and the first connecting shaft 15 is slidably connected to the second frame 12, the other end of the first support rod 17 is rotatably connected to the first connecting shaft 15, a guardrail assembly 3 is installed on the first frame 10, and two second lifting assemblies 2 are installed on the second frame 12; first slide grooves 11 are opened on the outer walls of both sides of the first frame 10, and one end of the second support rod 18 is slidably connected to the inside of the first slide groove 11, second slide grooves 16 are opened on the outer walls of both sides of the second frame 12, and the two ends of the first connecting shaft 15 are respectively slidably connected to the inside of the second slide groove 16; a first mounting is fixedly connected to the inner wall of one side of the second frame 12 The second frame 12 is fixedly connected with a universal wheel 5, and the number of the universal wheels 5 is four. The upper surface of the second frame 12 is fixedly connected with a scale 6. The second lifting assembly 2 includes a connecting plate 20, the second frame 12 is fixedly connected with a connecting plate 20, and the outer walls on both sides of the connecting plate 20 are fixedly connected with second mounting seats 21, and the second mounting seats 21 are hinged with a second electric telescopic rod 22. The output end of the second electric telescopic rod 22 is sleeved with a second connecting shaft 23. The outer walls on both sides of the second frame 12 are provided with third sliding grooves 24, and the second connecting shaft The two ends of the second connecting shaft 23 are respectively slidably connected to the inside of the third slide groove 24, the two ends of the second connecting shaft 23 are rotatably connected to the third support rod 25, the third support rod 25 is rotatably connected to the fourth support rod 27, and one end of the fourth support rod 27 is rotatably connected to the second frame body 12, two third frames 26 are arranged on the top of the second frame body 12, and the other end of the third support rod 25 is rotatably connected to the third frame body 26, fourth slide grooves 28 are opened on the outer walls of both sides of the third frame body 26, and the other end of the fourth support rod 27 is slidably connected to the inside of the fourth slide groove 28, and the upper surface of the third frame body 26 is fixedly connected to a support plate 29;The guardrail assembly 3 includes a guardrail body 30, the guardrail body 30 is fixedly connected to the outer walls on both sides of the first frame 10, a handrail 33 is installed on the guardrail body 30, the two ends of the handrail 33 are fixedly connected to the sliding sleeve 311, and the sliding sleeve 311 is slidably connected to the guardrail body 30, a fifth sliding groove 34 is provided inside the handrail 33, a slider 35 is slidably connected to the inner wall of the fifth sliding groove 34, a spring 36 is fixedly connected to the outer wall of one side of the slider 35, and one end of the spring 36 is fixedly connected to the inner wall of the fifth sliding groove 34, a sixth sliding groove 38 is provided on the upper surface of the handrail 33, and the sixth sliding groove 38 passes through the interior of the fifth sliding groove 34, a push block 37 is slidably connected to the inner wall of the sixth sliding groove 38, and the push block 37 is fixedly connected to the upper surface of the slider 35, a connecting rod 39 is fixedly connected to the outer wall of one side of the slider 35, and one end of the connecting rod 39 The end is fixedly connected with a card block 310, and the card block 310 is slidably connected to the inner wall of the fifth slide slot 34. The guardrail body 30 is provided with a mounting groove 31, and the inner wall of the mounting groove 31 is fixedly connected with a rack 32, and the card block 310 is connected to the outer wall of one side of the rack 32 by snapping; the guardrail assembly 3 is installed with a controller 4 and a transparent back plate 7, and the controller 4 and the transparent back plate 7 are both fixedly connected to the guardrail body 30, and a circuit board 40 is arranged inside the controller 4, and a data processing module 41, a display module 42, a control module 43 and a signal transceiver module 44 are fixedly connected to the circuit board 40, and the data processing module 41 is respectively connected with the display module 42, the control module 43 and the signal transceiver module 44 through signal lines, and the signal transceiver module 44 is respectively connected with the first electric telescopic rod 14 and the second electric telescopic rod 22 through signal lines. ;

[0033] See also Figure 9-10 , an embodiment of the present invention: a method for using a photography stand capable of independently adjusting the height of both feet, comprising step 1, adjusting the height of the armrest; step 2, adjusting the overall height; step 3, adjusting the height of a single leg; step 4, taking an X-ray film; step 5, resetting after the examination;

[0034] In the above step 1, the user first stands on the support plate 29, slides the push block 37, and pushes the adjustment armrest 33 up and down to make it flush with the shoulders, and then releases the push block 37;

[0035] In the above step 2, the user holds the handrail 33, and the medical staff controls the first electric telescopic rod 14 to start through the controller 4, and lifts the second frame 12 upward to the required height; wherein the controller 4 is provided with a plurality of buttons, which are connected to the control module 43, and the button functions include controlling the lifting of the second frame 12, separately controlling the lifting of the third frame 26, and one-button control of the reset of the second frame 12 and the third frame 26; the controller 4 is provided with a signal line interface, which is connected to the signal transceiver module 44, and the controller 4 can be connected to the X-ray machine and the computer through the signal line, and the remote control of the device can be realized through the computer;

[0036] In the above step 3, the medical staff controls the second electric telescopic rod 22 to start through the controller 4, respectively adjusts the height of the two support plates 29, and directly reads the height data through the scale 6, so that the user can stand steadily on the support plate 29;

[0037] In the above step 4, the medical staff uses an X-ray machine to take an X-ray film;

[0038] In the above step five, after the shooting is completed, the medical staff controls the first electric telescopic rod 14 and the second electric telescopic rod 22 to reset through the controller 4, and the user can leave the support plate 29; wherein, the maximum stroke of the first electric telescopic rod 14 is 32cm, the maximum stroke of the second electric telescopic rod 22 is 20cm, and the maximum load-bearing capacity of the support plate 29 is 200kg.

[0039] Based on the above, the advantage of the present invention is that when the present invention is used, the handrail 33 in the guardrail assembly 3 is first adjusted to move it to an appropriate height. The specific operation is: slide the push block 37 along the sixth slide groove 38, drive the slider 35 to slide along the fifth slide groove 34, compress the spring 36, and at the same time drive the block 310 through the connecting rod 39 to make the block 310 disengage from the rack 32. At this time, the handrail 33 can be pulled downward, and the handrail 33 slides down along the guardrail body 30 through the sliding sleeve 311. After the adjustment is completed, the push block 37 is released. Under the action of the spring 36, the block 310 is reset and re-engaged with the rack 32; if it is necessary to move the handrail 33 to the upper side, the push block 37 is pushed back to the lower side, and the block 310 is pushed back to the lower side. When the first lifting assembly 1 is used to adjust the overall height, the first electric telescopic rod 14 can be started by the controller 4 to drive the first connecting shaft 15 to slide along the second sliding groove 16, thereby driving one end of the first support rod 17 to rotate with the other end as a fulcrum, and the first support rod 17 drives the second support rod 18, and one end of the second support rod 18 slides along the first sliding groove 11. Under the joint action of the first support rod 17 and the second support rod 18, the first frame 10 is adjusted to the height of the whole body. The body 10 descends until it contacts the ground, and the first electric telescopic rod 14 continues to be retracted, thereby propping up the second frame body 12 as a whole, so that the universal wheel 5 is off the ground; when the second lifting assembly 2 is used to adjust the height, the second electric telescopic rod 22 can be started synchronously or separately through the controller 4 to drive the second connecting shaft 23 to slide along the third slide groove 24, thereby driving one end of the third support rod 25 to rotate with the other end as a fulcrum, and the third support rod 25 drives the fourth support rod 27, and one end of the fourth support rod 27 slides along the fourth slide groove 28. Under the joint action of the third support rod 25 and the fourth support rod 27 , the third frame 26 rises, thereby realizing the lifting function through the support plate 29; wherein, the first mounting seat 13 is used to install the first electric telescopic rod 14, the second mounting seat 21 on the connecting plate 20 is used to install the second electric telescopic rod 22, and the mounting groove 31 is used to install the rack 32; the scale 6 is used to read the height data of the support plate 29; the transparent back plate 7 is used for the user to lean on; the data processing module 41 on the circuit board 40 is used to issue control instructions, and the display module 42 is used to display operating parameters; the control module 43 is used to generate control signals; the signal transceiver module 44 is used to establish a data connection with an external device.

[0040] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A photography stand with independently adjustable heights of two legs, comprising a first lifting assembly (1), characterized in that: The first lifting assembly (1) comprises a first frame (10), two first support rods (17) are rotatably connected to the first frame (10), a second support rod (18) is rotatably connected to the first support rod (17), and one end of the second support rod (18) is slidably connected to the first frame (10), a second frame (12) is arranged at the top end of the first frame (10), and the other end of the second support rod (18) is rotatably connected to the second frame (12), a first electric telescopic rod (14) is installed on the second frame (12), an output end of the first electric telescopic rod (14) is sleeved with a first connecting shaft (15), and the first connecting shaft (15) is slidably connected to the second frame (12), and the other end of the first support rod (17) is rotatably connected to the second frame (12). A guardrail assembly (3) is installed on the first connecting shaft (15), and two second lifting assemblies (2) are installed on the second frame (12). The guardrail assembly (3) includes a guardrail body (30). The guardrail body (30) is fixedly connected to the outer walls on both sides of the first frame (10). A handrail (33) is installed on the guardrail body (30). Both ends of the handrail (33) are fixedly connected to a sliding sleeve (311), and the sliding sleeve (311) is slidably connected to the guardrail body (30). A fifth sliding groove (34) is provided inside the handrail (33), and a sliding block (35) is slidably connected to the inner wall of the fifth sliding groove (34). A spring (36) is fixedly connected to the outer wall of one side of the sliding block (35), and one end of the spring (36) is fixedly connected to the outer wall of the sliding block (35). The handrail (33) is fixedly connected to the inner wall of the fifth slide groove (34); a sixth slide groove (38) is provided on the upper surface of the handrail (33), and the sixth slide groove (38) passes through the inside of the fifth slide groove (34); a push block (37) is slidably connected to the inner wall of the sixth slide groove (38), and the push block (37) is fixedly connected to the upper surface of the slider (35); a connecting rod (39) is fixedly connected to the outer wall of one side of the slider (35); one end of the connecting rod (39) is fixedly connected to a clamping block (310), and the clamping block (310) is slidably connected to the inner wall of the fifth slide groove (34); a mounting groove (31) is provided on the guardrail body (30), and a rack (32) is fixedly connected to the inner wall of the mounting groove (31), and the clamping block (310) is clamped and connected to the outer wall of one side of the rack (32); The guardrail assembly (3) is mounted on a wall, a controller (4) and a transparent back panel (7) are installed on the guardrail assembly (3), and the controller (4) and the transparent back panel (7) are both fixedly connected to the guardrail body (30), a circuit board (40) is arranged inside the controller (4), a data processing module (41), a display module (42), a control module (43) and a signal transceiver module (44) are fixedly connected to the circuit board (40), and the data processing module (41) is respectively connected to the display module (42), the control module (43) and the signal transceiver module (44) through signal lines, and the signal transceiver module (44) is respectively connected to the first electric telescopic rod (14) and the second electric telescopic rod (22) through signal lines, firstly adjusting the handrail (33) in the guardrail assembly (3),Move it to a suitable height. The specific operation is as follows: slide the push block (37) along the sixth slide groove (38), drive the slider (35) to slide along the fifth slide groove (34), compress the spring (36), and at the same time drive the clamping block (310) through the connecting rod (39) to make the clamping block (310) disengage from the rack (32). At this time, the handrail (33) can be pulled downward, and the handrail (33) slides down along the guardrail body (30) through the sliding sleeve (311). After the adjustment is completed, release the push block (37). Under the action of the spring (36), the clamping block (310) is reset and re-engaged with the rack (32); if the handrail (33) needs to be adjusted upward, it is directly pushed upward. Under the action of the spring (36), the oblique teeth on the clamping block (310) will always be meshed with the oblique teeth on the rack (32).

2. A photography stand with independently adjustable feet according to claim 1, characterized in that: A first slide groove (11) is provided on the outer walls on both sides of the first frame body (10), and one end of the second support rod (18) is slidably connected to the inside of the first slide groove (11); a second slide groove (16) is provided on the outer walls on both sides of the second frame body (12), and both ends of the first connecting shaft (15) are respectively slidably connected to the inside of the second slide groove (16).

3. The photography stand with independently adjustable heights of both legs according to claim 1, characterized in that: A first mounting seat (13) is fixedly connected to an inner wall of one side of the second frame (12), and a first electric telescopic rod (14) is hinged on the first mounting seat (13).

4. The photography stand with independently adjustable heights of both legs according to claim 3, characterized in that: The second frame (12) is fixedly connected with universal wheels (5), and the number of universal wheels (5) is four. The upper surface of the second frame (12) is fixedly connected with a scale (6).

5. The photography stand with independently adjustable heights of both legs according to claim 1, characterized in that: The second lifting assembly (2) comprises a connecting plate (20), the second frame (12) is fixedly connected with the connecting plate (20), the outer walls on both sides of the connecting plate (20) are fixedly connected with second mounting seats (21), the second mounting seats (21) are hinged with a second electric telescopic rod (22), the output end of the second electric telescopic rod (22) is sleeved with a second connecting shaft (23), the outer walls on both sides of the second frame (12) are provided with a third sliding groove (24), and the two ends of the second connecting shaft (23) are respectively slidably connected to the inside of the third sliding groove (24), and the two ends of the second connecting shaft (23) are rotatably connected to A third support rod (25), the third support rod (25) is rotatably connected to a fourth support rod (27), and one end of the fourth support rod (27) is rotatably connected to the second frame body (12), two third frames (26) are arranged at the top end of the second frame body (12), and the other end of the third support rod (25) is rotatably connected to the third frame body (26), fourth sliding grooves (28) are provided on the outer walls of both sides of the third frame body (26), and the other end of the fourth support rod (27) is slidably connected to the inside of the fourth sliding groove (28), and a support plate (29) is fixedly connected to the upper surface of the third frame body (26).

6. A method for using a photography stand capable of independently adjusting the height of both feet according to any one of claims 1 to 5, comprising step 1, adjusting the height of the armrest; step 2, adjusting the overall height; step 3, adjusting the height of a single leg; step 4, taking an X-ray film; step 5, resetting after the examination; characterized in that: In the above step 1, the user first stands on the support plate (29), slides the push block (37) and pushes the adjustment armrest (33) up and down to make it flush with the shoulders, and then releases the push block (37); In the above step 2, the user holds the handrail (33) tightly, and the medical staff controls the first electric telescopic rod (14) to start through the controller (4), so as to lift the second frame (12) upward to a required height; In the above step 3, the medical staff controls the second electric telescopic rod (22) to start through the controller (4), respectively adjusts the heights of the two support plates (29), and directly reads the height data through the scale (6), so that the user can stand steadily on the support plate (29); In the above step 4, the medical staff uses an X-ray machine to take an X-ray film; In the above step 5, after the shooting is completed, the medical staff controls the first electric telescopic rod (14) and the second electric telescopic rod (22) to reset through the controller (4), and the user can leave the support plate (29).

7. The method for using the photography stand with independently adjustable heights of both legs according to claim 6, characterized in that: In the step 2, a plurality of buttons are provided on the controller (4), and the buttons are connected to the control module (43). The button functions include controlling the lifting and lowering of the second frame (12), separately controlling the lifting and lowering of the third frame (26), and controlling the resetting of the second frame (12) and the third frame (26) by one button. The controller (4) is provided with a signal line interface, and the interface is connected to the signal transceiver module (44). The controller (4) can be connected to the X-ray machine and the computer through the signal line, and the device can be remotely controlled through the computer.

8. The method for using the photography stand with independently adjustable heights of both legs according to claim 6, characterized in that: In step five, the maximum stroke of the first electric telescopic rod (14) is 32 cm, the maximum stroke of the second electric telescopic rod (22) is 20 cm, and the maximum load-bearing capacity of the support plate (29) is 200 kg.

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